JP4965337B2 - Self-propelled crusher - Google Patents

Description

  The present invention relates to a self-propelled crusher that is preferably used to crush material to be crushed, such as waste wood and building waste, to produce a small crushed material that can be reused.

  Generally, timber such as thinned wood generated by thinning work in a forest and waste wood generated by dismantling work of a wooden house is reused as fertilizer or the like by performing, for example, fermentation treatment. A wood crusher is suitably used for crushing large pieces of wood such as thinned wood and waste wood into small pieces suitable for fertilizer and the like at the work site. In addition, a crusher equipped with a jaw crusher that finely crushes building waste materials at work sites is known in order to reuse building waste materials such as concrete lumps generated by the demolition work of buildings as ground pavement materials and the like.

  Here, the self-propelled crusher for crushing the material to be crushed such as waste wood and building waste is usually a self-propelled traveling body, a base frame provided on the traveling body, and the base frame. A feeder provided on one side in the length direction, a power unit provided on the other side in the length direction of the base frame, a crushing device for crushing the material to be crushed conveyed by the feeder, and a base from the lower side of the crushing device It is generally configured by a discharge conveyor extending toward the other side in the length direction of the frame and an indicator lamp for informing the operation state of the crushing device.

  The self-propelled crusher self-travels to the work site such as dismantling work, then supplies a large material to be crushed such as waste wood or building waste material to the crushing device by a feeder, and crushes the material to be crushed by the crushing device. To do. This produces a small reusable crushed material that is discharged by a discharge conveyor to the desired collection location.

  Here, for example, when a hard material to be crushed or a large amount of material to be crushed is supplied to the crushing device, an excessive load acts on the crushing device, and a smooth crushing operation is hindered. For this reason, the self-propelled crusher is usually provided with an indicator lamp for informing the surrounding workers of the operation state of the crushing apparatus, and the operator may overload the crushing apparatus depending on the display content of the indicator lamp. It is possible to determine whether or not a large load is acting, and to adjust the supply of the material to be crushed to the crushing device according to the operating state of the crushing device.

  In this case, the indicator light is a part of the self-propelled crusher that is as high as possible above the ground so that the operator can reliably see from any of the front, rear, left, and right positions of the self-propelled crusher. However, it is necessary to dispose the indicator lamp within a range that does not exceed the transport height limit when the self-propelled crusher is loaded on the vehicle and transported.

  For this reason, for example, it is conceivable that an indicator lamp is provided on the upper surface of the power unit so that the height of the upper end of the indicator lamp falls within the transport height limit of the self-propelled crusher. However, in order to keep the indicator lamps arranged on the upper surface of the power unit within the transport height limit of the self-propelled crusher, the height of the power unit attached to the base frame is set low so that the ground on the upper surface of the power unit It is necessary to keep the height as low as the height of the indicator lamp.

  Here, the discharge conveyor that discharges the crushed material generated by the crushing device to the outside usually has the base end side disposed below the crushing device and extends to the lower side of the power unit, and the distal end side of the discharge conveyor is the power unit It is inclined obliquely upward from the lower side and protrudes outside the power unit. Therefore, if the ground height of the front end portion of the discharge conveyor is set large, a large amount of crushed material can be discharged to the accumulation place formed below the front end portion of the discharge conveyor.

  On the other hand, if the height of the power unit attached to the base frame is set low so that the upper end of the indicator lamp arranged on the upper surface of the power unit is within the transport height limit of the self-propelled crusher, In order to avoid interference between the power conveyor and the discharge conveyor inclined obliquely upward from the side, the inclination angle of the discharge conveyor must be reduced. Therefore, in order to set the height above the top of the discharge conveyor to be large, it is necessary to increase the protruding length of the discharge conveyor that protrudes to the outside of the power unit as the inclination angle of the discharge conveyor is reduced. As a result, there is a problem that the total length of the self-propelled crusher including the discharge conveyor becomes large.

  On the other hand, a self-propelled crusher has been proposed in which a folding column is erected on the upper surface of a fuel tank mounted on a base frame, and an indicator lamp is attached to the tip of the column. This self-propelled crusher can increase the visibility of the indicator light by extending the struts during crushing work to increase the visibility from the operator, and can be displayed by folding the struts during transportation. The lamp can be kept within the transport height limit (see, for example, Patent Document 1).

JP 2004-344813 A

  However, the above-described self-propelled crusher according to the prior art raises the height of the indicator light by elongating the prop to the fuel tank during the crushing operation, and folds the prop up to the fuel tank during transportation. There is a problem that it is necessary to reduce the ground height of the indicator lamp by folding, and this work is very complicated. In addition, for example, when forgetting the work of folding the column during transportation, there is a problem that the indicator lamp exceeds the transportation height limit.

  The present invention has been made in view of the above-described problems of the prior art, and provides a self-propelled crusher that can improve the visibility of an indicator lamp and suppress the height of the indicator lamp above the ground. The purpose is to do.

  In order to solve the problems described above, the present invention provides a self-propelled traveling body, a base frame provided on the traveling body, and a material to be crushed which is provided on one side in the length direction of the base frame and is to be crushed. A feeder to be conveyed, a power unit provided on the other side in the length direction of the base frame, a power unit including a building cover and a tank covering the prime mover, and disposed between the power unit and the feeder and conveyed by the feeder A crushing device for crushing the material to be crushed, a discharge conveyor extending from the lower side of the crushing device toward the other side in the length direction of the base frame and discharging the crushed material crushed by the crushing device to the outside, The present invention is applied to a self-propelled crusher provided with an indicator lamp that notifies the operating state of the crushing device.

  A feature of the configuration adopted by the invention of claim 1 is that the indicator lamp is arranged on the one side in the width direction of the power unit and on the other side in the width direction of the power unit. The first indicator lamp and the second indicator lamp are arranged at different positions in the height direction from the ground.

  The invention according to claim 2 is a self-propelled traveling body, a base frame provided on the traveling body, a feeder that is provided on one side in the length direction of the base frame and conveys a material to be crushed. A prime mover provided on the other side in the length direction of the base frame, a power unit including a building cover and a tank covering the prime mover, and the material to be crushed disposed between the power unit and the feeder and conveyed by the feeder A crushing device that crushes the crusher, a discharge conveyor that extends from the lower side of the crushing device toward the other side in the length direction of the base frame and discharges the crushed material crushed by the crushing device to the outside, In the self-propelled crusher provided with an indicator lamp for notifying the state, the indicator lamp includes a first indicator lamp disposed on one side in the width direction of the power unit, and the power unit. A second indicator lamp disposed on the other side in the width direction of the power supply, and the first indicator lamp and the second indicator lamp are arranged at different positions with respect to the length direction of the power unit. It is characterized by having a configuration to do.

  The invention of claim 3 is that the first indicator lamp and the second indicator lamp are arranged at positions lower than the maximum height of the fuselage.

  The invention according to claim 4 is a self-propelled traveling body having a pair of left and right crawler belts, a base frame provided on the traveling body, and provided on one side in the length direction of the base frame and should be crushed. A feeder that conveys the material to be crushed, a motor provided on the other side in the length direction of the base frame, a power unit including a building cover and a tank covering the motor, and the feeder disposed between the power unit and the feeder A crushing device for crushing the material to be crushed conveyed by the first crushing device, and a basal end side disposed below the crushing device and a distal end side extending to the lower side of the power unit for conveying crushed material crushed by the crushing device. 1 discharge conveyor and a base end side is connected to a front end side of the first discharge conveyor, and a front end side extends to the outside of the power unit and is conveyed by the first discharge conveyor. In the self-propelled crusher comprising a second discharge conveyor that discharges the crushed material to the outside and an indicator lamp that notifies the operation state of the crushing device, the power unit constitutes the lower traveling body. It has a width dimension that fits within the width of the left and right crawler belts, the upper surface of the tank constituting the power unit is set lower than the upper surface of the building cover, and the indicator lamp is one of the width directions of the power unit. A first indicator lamp located on the upper surface of the tank located on the side and a second indicator lamp located on the other side in the width direction of the power unit and located on the lower face side of the power unit. The first indicator lamp and the second indicator lamp are arranged at positions lower than the maximum height of the fuselage and at positions different from each other in the length direction of the power unit. It is set to.

  According to a fifth aspect of the present invention, the first indicator lamp is arranged at one corner of the power unit in the length direction and one side in the width direction, and the second indicator lamp is the length of the power unit. The configuration is such that it is arranged at the corner of the other side in the direction and the other side in the width direction.

  According to the invention of claim 1, since the first indicator lamp is arranged on one side in the width direction of the power unit and the second indicator lamp is arranged on the other side in the width direction, the self-propelled crusher An operator present in the surrounding area can surely see either one of the first and second indicator lights and can grasp the operating state of the crushing apparatus. Also, by arranging the first and second indicator lights at different positions with respect to the height direction from the ground, for example, when an operator stands on the ground and gets on another work machine Even if the eyes of the worker are different from each other, the worker can surely see one of the first and second indicator lights, and the visibility of each of these indicator lights Can increase the sex.

  According to the invention of claim 2, the first indicator lamp is disposed on one side in the width direction of the power unit and the second indicator lamp is disposed on the other side in the width direction. Since the indicator lamps are arranged at different positions with respect to the length direction of the power unit, the operator can display the first and second indications at any position on the front side, rear side, left side, and right side of the self-propelled crusher. One of the lamps can be surely seen, and the visibility of each of these lamps can be improved.

  According to the invention of claim 3, by arranging the first indicator lamp and the second indicator lamp at a position lower than the maximum height of the fuselage, for example, the transportation height when the self-propelled crusher is transported. The first and second indicator lamps can always be stored within the limit. For this reason, for example, the complicated work of changing the height position of the indicator lamp between the crushing operation and the transportation as in the prior art can be eliminated.

  Moreover, since each indicator lamp arrange | positioned at a power unit does not protrude upwards exceeding the maximum height of an airframe, the attachment height of the power unit with respect to a base frame can be set high. Thereby, for example, when the front end side of the discharge conveyor is inclined obliquely upward from the lower side of the power unit and extended to the outside of the power unit, the inclination angle of the discharge conveyor can be increased. As a result, even when the height of the tip of the discharge conveyor is set high, the protruding length of the discharge conveyor from the power unit can be suppressed, and the total length of the self-propelled crusher including the discharge conveyor can be shortened. Can do.

  According to the invention of claim 4, the first indicator lamp is disposed on the upper surface of the tank lower than the upper surface of the building cover constituting the power unit, and the second indicator lamp is disposed on the lower surface side of the power unit. Since the first and second indicator lamps are arranged at different positions with respect to the length direction of the power unit, the visibility of each indicator lamp can be improved. Moreover, by arranging the first and second indicator lamps at a position lower than the maximum height of the fuselage, for example, the first and second indications are always within the transport height limit when transporting a self-propelled crusher, for example. Can hold a light.

  According to the invention of claim 5, the first indicator lamp is arranged at one corner in the length direction of the power unit and at one side in the width direction, and the second display is arranged in the other direction of the length of the power unit. By arranging it at the corners on the other side in the width direction, the operator can place the first and second indicator lights at any position on the front side, rear side, left side, and right side of the self-propelled crusher. Of these, one of the indicator lamps can be surely seen, and the visibility of each of these indicator lamps can be improved.

  Hereinafter, the embodiment of the self-propelled crusher according to the present invention will be described in detail with reference to FIG. 1 to FIG.

  In the figure, reference numeral 1 denotes a self-propelled wood crusher. This wood crusher 1 is, for example, a thinning material or rooting generated by a thinning operation in a forest, a pruned branch material generated by a wood pruning operation, a wooden house The waste wood generated by the dismantling operation is finely crushed to produce small pieces of wood chips that can be reused as fertilizer. And the wood crusher 1 is comprised by the below-mentioned traveling body 2, the feeder 9, the power unit 10, the crushing apparatus 20, the discharge conveyor 28, the 1st indicator lamp 32, the 2nd indicator lamp 34, etc.

  Reference numeral 2 denotes a crawler-type traveling body capable of self-propelling. The traveling body 2 includes a track frame 3, drive wheels 4 and idle wheels 5 provided on the track frame 3, and the drive wheels 4 and idle wheels 5. And a pair of crawler belts (crawlers) 6 and 6 wound around. The traveling body 2 travels on a work site or the like according to an operation on a remote control device (not shown), for example.

  Reference numeral 7 denotes a base frame provided on the track frame 3 of the traveling body 2. The base frame 7 is fixed on the track frame 3 and extends in the front and rear directions. A hopper 8 and a feeder 9 described later are provided on one side (front side) of the base frame 7 in the length direction, and a power unit 10 described later is provided on the other side (rear side) of the base frame 7 in the length direction. Is provided, and a pressing device 19, a crushing device 20, and the like, which will be described later, are provided in an intermediate portion in the length direction of the base frame 7.

  Reference numeral 8 denotes a hopper provided on one side (front side) in the length direction of the base frame 7, and the hopper 8 is generated, for example, by thinning materials generated by thinning work in a forest or by demolition work of a wooden house. Wood to be crushed (material to be crushed) such as waste wood is input. Here, the hopper 8 has left and right side walls inclined obliquely downward from above, and a lower end side of the hopper 8 is opened on a feeder 9 described later. The thinned wood, waste wood, and the like thrown into the hopper 8 are continuously supplied onto a feeder 9 described later along the side wall of the hopper 8.

  9 is a feeder provided on the lower side of the hopper 8 and on one side in the length direction of the base frame 7. The feeder 9 conveys wood put into the hopper 8 to a crushing device 20 described later. It is. Here, as shown in FIG. 6, the feeder 9 includes a chain belt 9A that forms an endless track extending forward and backward along the base frame 7, and a drive that meshes with the chain belt 9A and is driven by a hydraulic motor or the like. It is roughly constituted by the gear 9B. The feeder 9 drives the chain belt 9 </ b> A by the drive gear 9 </ b> B so that the wood thrown in from the hopper 8 is loaded on the chain belt 9 </ b> A, and the wood is continuously conveyed toward the crushing device 20. It has a configuration.

  Reference numeral 10 denotes a power unit provided on the other side (rear side) in the length direction of the base frame 7, and the power unit 10 constitutes a power source of the wood crusher 1. Here, the power unit 10 includes a unit frame 11, a prime mover 13, a building cover 16, a hydraulic oil tank 17, a fuel tank 18, and the like, which will be described later. Further, as shown in FIG. 2, the power unit 10 is formed in a substantially quadrangular shape when viewed from above, and the left and right width dimensions A of the power unit 10 are the left and right sides constituting the traveling body 2. It is set approximately equal to the width dimension B of the crawler belt 6.

  Reference numeral 11 denotes a unit frame serving as a base of the power unit 10, and the unit frame 11 is formed in a rectangular frame shape extending in the front and rear directions and forms a strong support structure. Here, as shown in FIG. 3, the unit frame 11 is disposed at a position higher than the base frame 7 by being attached to the rear side of the base frame 7 via the support member 12. The lower end portion 11A is separated from the ground by a height dimension C. The unit frame 11 extends horizontally on the base frame 7, and the rear end side of the unit frame 11 protrudes rearward from the rear end portion of the base frame 7 (see FIG. 3).

  Reference numeral 13 denotes a prime mover (engine) mounted on the unit frame 11, and the prime mover 13 is arranged in a horizontally extending state extending leftward and rightward as shown in FIG. On the left side of the prime mover 13, a hydraulic pump 14 that supplies pressure oil to various hydraulic actuators mounted on the wood crusher 1 by being driven by the prime mover 13 is disposed. A heat exchanger 15 including a radiator, an oil cooler, and the like is disposed on the right side of the prime mover 13.

  Reference numeral 16 denotes a building cover provided on the unit frame 11 so as to cover the prime mover 13 and the like. The building cover 16 is entirely left and right by an upper surface 16A, left and right side surfaces 16B, a front surface 16C, a rear surface 16D, and the like. It is formed in a box shape extending in the direction. In the building cover 16, a prime mover 13, a hydraulic pump 14, a heat exchanger 15 and the like are accommodated (see FIG. 2).

  Reference numeral 17 denotes a hydraulic oil tank provided on the unit frame 11 on the left front side of the building cover 16, and the hydraulic oil tank 17 is supplied to various hydraulic actuators mounted on the wood crusher 1. Is to save. Here, the hydraulic oil tank 17 is formed in a rectangular parallelepiped box shape extending upward and downward, and is disposed adjacent to the left front side of the building cover 16. As shown in FIG. 8, the upper surface 17A of the hydraulic oil tank 17 is set at a position one step lower than the upper surface 16A of the building cover 16, and the upper surface 17A of the hydraulic oil tank 17 and the upper surface 16A of the building cover 16 are set. The first indicator lamp 32 to be described later is arranged using the space generated by the step.

  A fuel tank 18 is provided on the unit frame 11 and is located on the right front side of the building cover 16. The fuel tank 18 stores fuel supplied to the prime mover 13. Here, the fuel tank 18 is formed in a rectangular parallelepiped box shape extending in the upward and downward directions, and is disposed adjacent to the right front side of the building cover 16. The upper surface of the fuel tank 18 forms substantially the same plane as the upper surface 16A of the building cover 16.

  A pressing device 19 is located above the feeder 9 and is provided in the vicinity of the crushing rotor 23 described later. The pressing device 19 is conveyed by the chain belt 9A of the feeder 9 as shown in FIG. The wood M (material to be crushed) is pressed from above, and the wood M is supplied to the crushing rotor 23 while being sandwiched between the chain belt 9A of the feeder 9.

  Here, the pressing device 19 includes a swing arm 19B supported by a swing arm support portion 21I of the support frame 21 described later using a shaft 19A so as to swing upward and downward, and the swing arm 19B. The pressing roller 19C is rotatably configured on the tip end side so as to be rotatable. The pressing roller 19 </ b> C is formed as a cylindrical body provided with a plurality of gripping members (not shown) having a sawtooth shape on the outer peripheral side, and is driven to rotate by a hydraulic motor or the like.

  As a result, the pressing device 19 swings the swing arm 19B upward and downward about the shaft 19A in accordance with the size of the wood M conveyed by the feeder 9, while the pressing roller 19C and the feeder 9 ( The wood M is sandwiched between the chain belt 9A) and the wood M is pressed against the crushing rotor 23 described later with an appropriate force.

  A lifting cylinder 19D is provided between the swing arm 19B and a support frame 21 described later. The lifting cylinder 19D has a bottom side pin-coupled to a later-described central cross beam 21D and a rod side pin-coupled to the upper surface side of the swing arm 19B. When the wood M is crushed, the lifting cylinder 19D communicates between the bottom side oil chamber and the rod side oil chamber, and allows the pressing roller 19C to approach the feeder 9 by its own weight. On the other hand, when the rod of the lifting cylinder 19D is contracted, the pressing arm 19C is separated from the feeder 9 by rotating the swing arm 19B upward about the shaft 19A.

  Reference numeral 20 denotes a crushing device which is located between the power unit 10 and the feeder 9 and is provided in the middle in the longitudinal direction of the base frame 7, and the crushing device 20 receives wood (material to be crushed) conveyed by the feeder 9. It breaks up finely and produces small pieces of wood chips (crushed material) that can be reused as fertilizer. Here, the crushing device 20 includes a support frame 21, a crushing rotor 23, a fixed blade device 24, and the like, which will be described later.

  Reference numeral 21 denotes a support frame that forms the base of the crushing device 20, and the support frame 21 is fixedly provided at an intermediate portion in the longitudinal direction of the base frame 7, and includes a pressing device 19, a crushing rotor 23 described later, a fixed blade device 24, and the like. Is to support. Here, as shown in FIG. 7, the support frame 21 has a left vertical plate 21A, a right vertical plate 21B extending in the front and rear directions while facing in the left and right directions, and front portions of the vertical plates 21A and 21B. The front horizontal beam 21C that connects the sides, the central horizontal beams 21D and 21E that connect the central portions of the vertical plates 21A and 21B, and the rear horizontal beams 21F that connect the rear side of the vertical plates 21A and 21B. It forms a strong support structure.

  And the gear support part 21G which supports the drive gear 9B of the feeder 9 shown in FIG. 6 is provided in the front part side of the left and right vertical board 21A, 21B. In addition, a rotor support portion 21H that supports a crushing rotor 23 described later is provided below the central portion of each vertical plate 21A, 21B, and the pressing device 19 swings above the central portion of each vertical plate 21A, 21B. A swing arm support portion 21I that supports the arm 19B and a fixed blade support portion 21J that supports a fixed blade device 24, which will be described later, are provided separately above and below.

  Reference numeral 22 denotes a crushing chamber formed between the left and right vertical plates 21A and 21B constituting the support frame 21. As shown in FIG. 6, the crushing chamber 22 has a crushing rotor 23, a fixed blade device 24 and the like to be described later. Is housed. Then, the wood M (material to be crushed) is crushed in the crushing chamber 22 by the crushing rotor 23, the fixed blade device 24, etc., so that a small piece of wood chip m (crushed material) is generated. Yes.

  The crushing rotor 23 is rotatably supported by the support frame 21, and the crushing rotor 23 crushes the wood M supplied by the feeder 9 and the pressing device 19 in the crushing chamber 22. Here, as shown in FIG. 6, the crushing rotor 23 is formed of a cylindrical body provided with a large number of crushing bits 23 </ b> A on the outer peripheral side, and between the left and right vertical plates 21 </ b> A and 21 </ b> B of the support frame 21 in the axial direction. It extends.

  A rotating shaft 23B is provided at the center of the crushing rotor 23, and the rotating shaft 23B is rotatably supported by a rotor support portion 21H of the support frame 21 via a bearing or the like. Then, by rotating the rotary shaft 23B by a hydraulic motor or the like, the crushing rotor 23 rotates in the direction indicated by the arrow D in FIG. 6 together with each crushing bit 23A. As a result, the wood M supplied to the crushing rotor 23 by the feeder 9 and the pressing device 19 is finely crushed by the crushing bits 23A provided on the crushing rotor 23 that rotates at a high speed, thereby generating small pieces of wood chips m. It becomes the composition which is done.

  Reference numeral 24 denotes a fixed blade device which is located above the crushing rotor 23 and is provided in the crushing chamber 22 of the support frame 21. The fixed blade device 24 further shears the wood chip m crushed by the crushing rotor 23 into finer pieces. To do. Here, as shown in FIG. 6, the fixed blade device 24 is fixed to the bracket 24 </ b> B supported by the fixed blade support portion 21 </ b> J of the support frame 21 so as to be rotatable about the shaft 24 </ b> A and the front end portion of the bracket 24 </ b> B. The fixed blade (anvil) 24C is generally constituted.

  The fixed blade 24C extends in the axial direction of the crushing rotor 23 in a state where a fixed interval is maintained between the fixed blade 24C and the outer peripheral surface of the crushing rotor 23, and each crushing bit 23A of the crushing rotor 23 and the fixed blade 24C. A small gap is formed between the two. Thereby, the wood chip m crushed by each crushing bit 23A of the crushing rotor 23 is sheared between each crushing bit 23A and the fixed blade 24C, and further crushed.

  Reference numeral 25 denotes a screen (classification plate) disposed on the lower side of the crushing rotor 23. The screen 25 is formed by a plate body curved in a semicircular arc along the outer peripheral surface of the crushing rotor 23. The lower side extends in the axial direction. Here, a large number of small holes 25A are formed in the screen 25, and the wood chip m crushed by the crushing rotor 23 and the fixed blade device 24 falls downward by passing through the small holes 25A of the screen 25. Then, it is led out to a discharge conveyor 28 described later.

  Therefore, the size of the wood chip m led to the discharge conveyor 28 is set according to the size of each small hole 25A provided in the screen 25, and the wood chip m that cannot pass through each small hole 25A of the screen 25 is The crushing chamber 22 is further finely crushed by the crushing rotor 23 and the fixed blade device 24 and then led out to the discharge conveyor 28.

  26 is a work floor located on the base frame 7 between the power unit 10 and the crushing device 22, and the work floor 26 has a base so as to partition the power unit 10 and the crushing device 20. The frame 7 extends in the width direction (left and right directions). The work floor 26 forms an operator's scaffold when performing inspection and maintenance work on the crushing device 20 and the like. Further, a ladder 27 is provided around the work floor 26 so that the worker can get on and off between the ground and the work floor 26.

  Reference numeral 28 denotes a discharge conveyor provided extending from the lower side of the crushing device 20 to the other side in the length direction of the base frame 7 in the front and rear directions. The discharge conveyor 28 is as shown in FIGS. In addition, the first discharge conveyor 29 and the second discharge conveyor 30 are configured to discharge the wood chips (crushed material) generated by the crushing device 20 to the outside.

  Here, the first discharge conveyor 29 is supported on the lower side of the base frame 7 and extends forward and rearward along the base frame 7. In this case, the proximal end side 29 </ b> A of the first discharge conveyor 29 is disposed below the crushing device 20, and the distal end side 29 </ b> B extends to the lower side of the power unit 10. The first discharge conveyor 29 is configured to receive the wood chips derived from the crushing device 20 through the screen 25 and convey the wood chips to the second discharge conveyor 30.

  On the other hand, the base end side 30 </ b> A of the second discharge conveyor 30 is connected to the front end side 29 </ b> B of the first discharge conveyor 29 via a connecting pin 31 so as to be rotatable upward and downward. Further, the front end side 30 </ b> B of the second discharge conveyor 30 extends rearward while being inclined obliquely upward from the lower side of the power unit 10, and protrudes to the outside (rear) of the power unit 10. And the 2nd discharge conveyor 30 receives the wood chip conveyed by the 1st discharge conveyor 29, and becomes a structure which discharges this wood chip to the exterior (stacking place).

  Here, as shown in FIG. 3, the second discharge conveyor 30 is inclined at an inclination angle θ with respect to the ground, and the inclination angle θ of the second discharge conveyor 30 is a unit constituting the power unit 10. The lower end 11A of the frame 11 and the second discharge conveyor 30 are set as large as possible within a range where they do not interfere with each other. Thereby, the height dimension H from the ground of the end 30C of the front end side 30B of the second discharge conveyor 30 can be increased, and a large amount of wood chips can be accumulated below the end 30C. It has become.

  In this case, as shown in FIG. 3, the height dimension H from the ground to the end 30 </ b> C of the second discharge conveyor 30 defines the maximum height (total height) of the wood crusher 1. 2 and 3, the length L from the front end of the feeder 9 to the end 30C of the second discharge conveyor 30 is the maximum length (full length) of the machine body of the wood crusher 1. It prescribes.

  32 is a first indicator lamp provided at one corner (front side) in the length direction of the power unit 10 and at one corner (left side) in the width direction. The first indicator lamp 32 is a piece of wood crushing The operation state of the crushing device 20 is notified to the workers existing around the machine 1. As shown in FIGS. 1, 2, 8, and the like, the first indicator lamp 32 is provided with a bracket 33 at a corner corner 17 </ b> B on the left front side of the upper surface 17 </ b> A of the hydraulic oil tank 17 constituting the power unit 10. Is attached via.

  In this case, the first indicator lamp 32 is composed of, for example, a yellow lamp 32A and a red lamp 32B, and the yellow lamp 32A and the red lamp 32B are in a state where the crushing operation is smoothly performed by the crushing device 20. None of them are lit, and the yellow light 32A is lit when the load acting on the crushing device 20 exceeds a preset value, and the red light 32B is in a state where the crushing operation is delayed due to an excessive load acting on the crushing device 20. Is turned on. Therefore, the operator can determine the operating state of the crushing device 20 by visually observing which one of the yellow light 32A and the red light 32B is lit. When the red light 32B is turned on, the crushing device 20 is protected by automatically stopping the operation of the feeder 9, the pressing device 19, and the crushing rotor 23, for example.

  Here, as shown in FIG. 8 and the like, the upper surface 17A of the hydraulic oil tank 17 to which the first indicator light 32 is attached is set to a position one step lower than the upper surface 16A of the building cover 16, and the first indicator light The upper end portion of 32 (red lamp 32 </ b> B) is disposed at a position lower than the upper surface 16 </ b> A of the building cover 16. Accordingly, as shown in FIG. 4, the height dimension h1 from the ground to the upper end of the first indicator light 32 is the height dimension from the ground to the end 30C of the second discharge conveyor 30 (the maximum of the machine body). Height) is set smaller than H.

  Reference numeral 34 denotes a second indicator lamp provided at the corner of the other side (rear side) in the length direction of the power unit 10 and the other side (right side) in the width direction. Like the first indicator lamp 32, it is composed of a yellow lamp 34A and a red lamp 34B, and informs the operator existing around the wood crusher 1 of the operating state of the crushing apparatus 20. As shown in FIGS. 2, 9, 10, etc., the second indicator lamp 34 is attached to the bracket 35 on the right rear corner portion 11 </ b> B of the lower end portion 11 </ b> A of the unit frame 11 constituting the power unit 10. It is attached via.

  Here, as shown in FIG. 10, the bracket 35 includes an upper plate 35A bent in an L shape and extending in the width direction, and left and right arms extending downward from both ends in the width direction of the upper plate 35A. 35B and a flat lower plate 35C fixed to the lower end side of each arm 35B. By bolting the upper plate 35A to the lower surface of the unit frame 11, the lower end portion 11A of the unit frame 11 is removed. It is suspended below. The yellow lamp 34A and the red lamp 34B of the second indicator lamp 34 are arranged adjacent to each other in the left and right directions on the lower plate 35C.

  In this case, the bracket 35 is formed in a square frame shape by the upper plate 35A, the left and right arms 35B, and the lower plate 35C, and is suspended downward from the lower end portion 11A of the unit frame 11. As a result, the second indicator lamp 34 disposed on the lower plate 35C of the bracket 35 can be viewed not only by the worker existing behind the power unit 10, but also by the worker present right front of the power unit 10. It can be configured.

  As shown in FIG. 5, the height dimension h2 from the ground to the upper end of the second indicator lamp 34 is the height dimension from the ground to the end 30C of the second discharge conveyor 30 (the maximum height of the machine body). A) It is set smaller than H.

  Here, when the arrangement positions of the first and second indicator lamps 32 and 34 are compared in the height direction from the ground, as shown in FIGS. 4 and 5, both are in the height direction from the ground. The first indicator lamps 32 are arranged at positions different from each other, and the first indicator lamps 32 are arranged above the second indicator lamps 34. Thus, for example, even if the worker's eye height position differs between when the worker stands on the ground and when he / she is on another work machine, One of the two indicator lights 32 and 34 can be surely visually observed.

  On the other hand, when the arrangement positions of the first and second indicator lamps 32 and 34 are compared in the length direction (front and rear directions) of the power unit 10, as shown in FIG. The first indicator lamp 32 is arranged in front of the second indicator lamp 34 (on the feeder 9 side). Thereby, the operator can surely visually observe one of the first and second indicator lights 32 and 34 at any position on the front side, rear side, left side, and right side of the wood crusher 1. It has become.

  The wood crusher 1 according to the present embodiment has the above-described configuration. Hereinafter, crushing wood such as thinned wood generated by thinning work in a forest into pieces using the wood crusher 1 The work will be described.

  First, wood to be crushed (material to be crushed) such as thinned wood is put into the hopper 8 of the wood crusher 1 using a hydraulic excavator or the like (not shown). Thereby, as shown in FIG. 6, the timber M is loaded on the chain belt 9 </ b> A of the feeder 9 and sequentially conveyed toward the crushing chamber 22 of the crushing device 20.

  The wood M conveyed to the vicinity of the crushing rotor 23 by the feeder 9 is pressed from above by the pressing roller 19C of the pressing device 19, and is sandwiched between the pressing roller 19C and the chain belt 9A of the feeder 9. In this state, it is supplied to the crushing rotor 23 in the crushing chamber 22.

  At this time, since the crushing rotor 23 is rotating at high speed, the wood M is crushed by the crushing bits 23A provided in the crushing rotor 23, and small pieces of wood chips m are continuously generated. The generated many wood chips m fall on the screen 25, and the fine wood chips m that have passed through the small holes 25 </ b> A of the screen 25 are conveyed by the first discharge conveyor 29 and the second discharge conveyor 30. And discharged to the outside (backward) of the wood crusher 1.

  On the other hand, of the wood chips m, a relatively large wood chip m that cannot pass through the small hole 25A of the screen 25 is sheared between the fixed blade 24C of the fixed blade device 24 and each crushing bit 23A of the crushing rotor 23. Thereby, the wood chip m crushed by the crushing device 20 can be made uniform to a size that can pass through the small holes 25A of the screen 25, and a high-quality wood chip m that can be reused for fertilizer or the like is generated. Can do.

  Here, in the state where the crushing operation of the wood is performed smoothly by the crushing device 20, the yellow lamps 32 </ b> A and 34 </ b> A of the first and second indicator lights 32 and 34 are lit, and an excessive load is applied to the crushing device 20. In a state where the crushing operation is delayed due to the action, the red lamps 32B and 34B of the first and second indicator lamps 32 and 34 are lit.

  Therefore, the worker existing around the wood crusher 1 always looks at one of the first indicator light 32 and the second indicator light 34 while the crushing operation is being performed, When it is confirmed that the red lamp 32B of the indicator lamp 32 or the red lamp 34B of the second indicator lamp 34 has been turned on, for example, the operation of the feeder 9, the pressing device 19 and the crushing rotor 23 is automatically stopped to Can be protected.

  In this case, in the wood crusher 1 according to the present embodiment, the first indicator lamp 32 is disposed on one side (left side) of the power unit 10 in the width direction, and the second display is provided on the other side (right side) in the width direction. A lamp 34 is provided. Thereby, the operator who exists in the circumference | surroundings of the timber crusher 1 can observe visually any one of the 1st, 2nd indicator lamps 32 and 34, and these 1st, 2nd indicator lamps 32 are visible. 34, the operating state of the crushing device 20 can always be grasped.

  Further, by setting the height position of the first indicator lamp 32 from the ground to be higher than the height position of the second indicator lamp 34 from the ground, the first and second indicator lights 32 and 34 are set. Are arranged at different positions with respect to the height direction from the ground. Thus, for example, even when the worker is standing on the ground and when he / she is riding on a work machine such as a hydraulic excavator, even if the height position of the worker's eyes is different, the worker Since one of the first and second indicator lamps 32 and 34 can be reliably observed, the visibility of each of the indicator lamps 32 and 34 can be improved.

  Furthermore, by arranging the first indicator lamp 32 in front of the second indicator lamp 34 (on the feeder 9 side), the first and second indicator lamps 32 and 34 can be placed in the length direction of the power unit 10 ( They are arranged at different positions with respect to the front and rear directions. Thereby, since the operator can surely visually observe one of the first and second indicator lamps 32 and 34 at any position on the front side, rear side, left side, and right side of the wood crusher 1, The visibility of each of these indicator lamps 32 and 34 can be further enhanced.

  Moreover, the height dimension h1 from the ground to the upper end portion of the first indicator light 32 and the height dimension h2 from the ground to the upper end portion of the second indicator light 34 are determined from the ground surface of the second discharge conveyor 30. Since the height dimension up to the end 30C (maximum height of the machine body) H is set smaller, the first and second are within the transport height limit when the wood crusher 1 is loaded on the vehicle and transported, for example. The indicator lamps 32 and 34 can always be stored.

  This eliminates the need for complicated operations such as attaching an indicator lamp to the tip of a folding column and changing the height position of the indicator lamp by extending or folding the column during crushing and transportation. can do.

  Furthermore, since the first and second indicator lights 32 and 34 do not exceed the maximum height H of the airframe, the mounting height of the power unit 10 with respect to the base frame 7 can be set large, and the power unit 10 is configured. It is possible to ensure a large height dimension C from the ground of the lower end portion 11A of the unit frame 11 (see FIG. 3).

  As a result, as shown in FIG. 3, the inclination angle θ of the second discharge conveyor 30 extending from the lower side to the rear side of the power unit 10 with respect to the ground is set so that the lower end portion 11A of the unit frame 11 and the second discharge conveyor 30 It can be set as large as possible without causing interference. As a result, even when the height dimension H from the ground to the end 30C of the second discharge conveyor 30 is set large, the protruding length of the second discharge conveyor 30 protruding backward from the power unit 10 can be suppressed. . As a result, the maximum length (full length) of the machine body of the wood crusher 1 defined by the length dimension L from the front end portion of the feeder 9 to the end portion 30C of the second discharge conveyor 30 can be shortened.

  In the above-described embodiment, the second indicator lamp 34 is attached to the right rear corner portion 11B of the lower end portion 11A of the unit frame 11 constituting the power unit 10, thereby the second indicator lamp. 34 is disposed below the first indicator lamp 32. However, the present invention is not limited to this. For example, as in the modification shown in FIG. 11, the second rear corner portion (the right end side of the rear surface 16 </ b> D) of the building cover 16 that constitutes the power unit 10 is provided at the second corner. The second indicator lamp 34 'and the first indicator lamp 32 may be arranged at substantially the same height position.

  In the embodiment described above, the first indicator lamp 32 is disposed on the upper surface 17A of the hydraulic oil tank 17 constituting the power unit 10, and the second indicator lamp 34 is provided on the lower surface of the unit frame 11 constituting the power unit 10. The case where is arranged is illustrated. However, the present invention is not limited to this. For example, the first and second indicator lights may be attached to the left and right side surfaces 16B of the building cover 16.

  Moreover, in embodiment mentioned above, the wood crusher 1 is illustrated as a self-propelled crusher. However, this invention is not restricted to this, For example, it can apply also to the other crushing apparatus which crushes building waste materials, such as a concrete lump provided with the jaw crusher as a crushing apparatus.

It is a front view which shows the wood crusher by embodiment of this invention. It is a top view of a wood crusher. It is a rear view of a wood crusher. It is the left view which looked at the wood crusher from the arrow IV-IV direction in FIG. It is the right view which looked at the wood crusher from the arrow VV direction in FIG. It is the expanded sectional view which looked at principal parts, such as a feeder, a pressing apparatus, and a crushing apparatus, from the arrow VI-VI direction in FIG. It is a perspective view which shows the support frame which comprises a crushing apparatus alone. It is a partially broken perspective view which shows a hydraulic oil tank, a building cover, and a 1st indicator lamp. It is a principal part enlarged view which shows the power unit, discharge conveyor, and 2nd indicator lamp in FIG. It is a partially broken perspective view which shows a power unit, a 2nd indicator lamp, a bracket, etc. It is a right view similar to FIG. 5 which shows the modification of the arrangement | positioning position of a 2nd indicator lamp.

Explanation of symbols

1 Wood crusher (self-propelled crusher)
2 traveling body 6 crawler track 7 base frame 9 feeder 10 power unit 13 prime mover 16 building cover 16A upper surface 17 hydraulic oil tank 17A upper surface 18 fuel tank 20 crushing device 29 first discharge conveyor 30 second discharge conveyor 32 first indicator lamp 33 , 35 Bracket 34, 34 'Second indicator light

Claims (5)

A self-propelled traveling body, a base frame provided on the traveling body, a feeder provided on one side in the length direction of the base frame for conveying a material to be crushed, and the length of the base frame A power unit including a prime mover provided on the other side in the direction, a building cover and a tank covering the prime mover, and a crushing device disposed between the power unit and the feeder to crush the material to be crushed and conveyed by the feeder A discharge conveyor that extends from the lower side of the crushing device toward the other side in the length direction of the base frame and discharges the crushed material crushed by the crushing device to the outside, and an indicator lamp that informs the operating state of the crushing device; In a self-propelled crusher comprising
The indicator lamp includes a first indicator lamp disposed on one side in the width direction of the power unit and a second indicator lamp disposed on the other side in the width direction of the power unit;
A self-propelled crusher characterized in that the first indicator lamp and the second indicator lamp are arranged at different positions with respect to the height direction from the ground. A self-propelled traveling body, a base frame provided on the traveling body, a feeder provided on one side in the length direction of the base frame for conveying a material to be crushed, and the length of the base frame A power unit including a prime mover provided on the other side in the direction, a building cover and a tank covering the prime mover, and a crushing device disposed between the power unit and the feeder to crush the material to be crushed and conveyed by the feeder A discharge conveyor that extends from the lower side of the crushing device toward the other side in the length direction of the base frame and discharges the crushed material crushed by the crushing device to the outside, and an indicator lamp that informs the operating state of the crushing device; In a self-propelled crusher comprising
The indicator lamp includes a first indicator lamp disposed on one side in the width direction of the power unit and a second indicator lamp disposed on the other side in the width direction of the power unit;
A self-propelled crusher characterized in that the first indicator lamp and the second indicator lamp are arranged at different positions with respect to the length direction of the power unit.   The self-propelled crusher according to claim 1 or 2, wherein the first indicator lamp and the second indicator lamp are arranged at positions lower than the maximum height of the fuselage. A self-propelled traveling body having a pair of left and right crawler belts, a base frame provided on the traveling body, and a feeder that is provided on one side in the length direction of the base frame and conveys the material to be crushed A power unit including a prime mover provided on the other side in the length direction of the base frame, a building cover covering the prime mover, and a tank; and the shredded material disposed between the power unit and the feeder and conveyed by the feeder. A crushing device for crushing the material, a first discharge conveyor that has a proximal end side disposed below the crushing device, a distal end side extends to the lower side of the power unit, and conveys the crushed material crushed by the crushing device, An end side is connected to a front end side of the first discharge conveyor, and a front end side extends to the outside of the power unit to remove the crushed material conveyed by the first discharge conveyor. In self-propelled crusher and a second discharge conveyor for discharging, comprising a display lamp for notifying an operating state of the crushing device,
The power unit has a width dimension that fits within the left and right crawler widths constituting the lower traveling body, and the upper surface of the tank constituting the power unit is configured to be set lower than the upper surface of the building cover,
The indicator lamp is located on one side in the width direction of the power unit and disposed on the upper surface of the tank, and on the other side in the width direction of the power unit on the lower surface side of the power unit. And a second indicator light arranged,
The first indicator lamp and the second indicator lamp are arranged at positions lower than the maximum height of the fuselage and at positions different from each other in the length direction of the power unit. Traveling crusher.   The first indicator lamp is disposed at one corner of the power unit in the length direction and one side in the width direction, and the second indicator lamp is disposed at the other side in the length direction of the power unit and the width. The self-propelled crusher according to claim 1, 2, 3, or 4, wherein the self-propelled crusher is configured to be disposed at a corner portion on the other side of the direction.

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