JP5771482B2 - Self-propelled conveyor type work machine - Google Patents

Description

  The present invention relates to a self-propelled conveyor-type working machine including a belt that carries and circulates a conveyed product and a traveling device that conveys the belt.

  As this type of self-propelled conveyor type work machine, the one disclosed in Patent Document 1 is used in, for example, a garbage disposal facility, and directly receives a collected material (garbage) dropped from a collection vehicle on a belt for conveyance. After carrying out the inspection work of the object, the belt is circulated to convey the conveyed object to the garbage pit.

  This self-propelled conveyor-type work machine includes a main body frame that supports left and right traveling devices, the main body frame is disposed inside the belt circulation path, and the front and rear rollers are rotatable at the front and rear ends of the main body frame, respectively. The belt is circulated around the body frame.

JP 2004-115230 A

  However, in such a conventional self-propelled conveyor type work machine, the main body frame is disposed inside the belt circulation path, that is, between the front and rear rollers, and the front and rear rollers are supported by the front and rear ends of the main body frame. Because of this structure, there is a problem that it is difficult to ensure sufficient rigidity that the main body frame supports the belt via the front and rear rollers.

  The present invention has been made in view of the above-described problems, and an object thereof is to provide a self-propelled conveyor type work machine in which the rigidity of a main body frame that supports a belt via front and rear rollers is sufficiently ensured. .

The present invention is a self-propelled conveyor-type work machine that conveys a conveyed product, an endless belt on which the conveyed product is loaded, rollers before and after the belt is circulated and rotated by the rotation, and a belt And a traveling device that conveys the front and rear rollers, and a main body frame that supports the front and rear rollers and the traveling device. The main body frames are provided at the left and right ends of the front and rear rollers, respectively, and connect the front and rear rollers. A belt member that is arranged on the front roller , and includes left and right side members, and front and rear cross members that are arranged outside the belt circulation path and connect the front and rear ends of the left and right side members, respectively. when the front folded portion, between the front folded portion and the front of the cross member, especially that discharging space for passing the conveyed object loaded on the belt is defined It was assumed to be.

  According to the self-propelled conveyor type working machine of the present invention, the left and right side members are respectively connected by the front and rear cross members, and the front and rear rollers are arranged between the front and rear cross members, so that the front and rear rollers are interposed. The rigidity of the main body frame that supports the belt is improved.

The side view of the self-propelled conveyor type working machine which shows embodiment of this invention. The schematic top view and side view of a main body frame similarly. The schematic plan view and side view of the belt which show other embodiment. The schematic plan view and side view of a belt which show a reference example . The schematic plan view and side view of a belt which show a reference example .

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments in which the present invention is applied to a self-propelled conveyor type work machine having a function of a damping box installed in a waste treatment facility will be described below with reference to the accompanying drawings. In the following description, it is assumed that three axes X, Y, and Z that are orthogonal to each other are set, the X axis extends in a substantially horizontal front-rear direction, the Y axis extends in a substantially horizontal lateral direction, and the Z axis extends in a substantially vertical direction.

  As shown in FIG. 1, a self-propelled conveyor work machine 11 receives a collected material discharged from a collection vehicle at the time of inspection work of collected material (garbage) that is conveyed, and conveys it to a garbage pit 1 ( Conveyor belt) 30 and a traveling device 12 for conveying the belt 30.

  The self-propelled conveyor work machine 11 is mounted on the left traveling device 12 with an engine, a hydraulic unit, etc. not shown, and is positioned on the right traveling device 12 with a driver's seat 23 and an operation panel 24. Is done.

  The left and right traveling devices 12 are driven by a hydraulic motor (not shown) that is operated by hydraulic pressure supplied from a hydraulic unit.

  The belt 30 is wound around the front and rear rollers 31 and 32, and circulates when the front roller 31 is rotationally driven by a hydraulic motor (not shown).

  The front and rear rollers 31 and 32 and the left and right traveling devices 12 are supported by a main body frame 50 described later.

  The belt 30 includes front and rear end folding portions 30a and 30b that are respectively wound around the front and rear rollers 31 and 32, an upper circulation portion 30c that circulates above the main body frame 50 between the front and rear rollers 31 and 32, And a lower circulation portion 30d that circulates below the main body frame 50 between the rollers 31 and 32.

  The rear roller 32 is provided at a position as low as possible without interfering with the platform 2 and the like, and the conveyance path of the belt 30 is kept low. On the other hand, the front roller 31 is provided at a higher position than the rear roller 32 so that the front end folded portion 30a of the belt 30 faces the dust pit 1 without interfering with the protrusions 10 and the like protruding on the platform 2. It has become.

  In the path through which the lower circulation portion 30d of the belt 30 circulates, a plurality of carrier rollers 36 that are in rolling contact with the back surface of the belt 30 and a plurality of carrier rollers 35 that are in contact with the surface of the belt 30 are provided. Guided so as not to interfere.

  A plurality of guide rails that are in sliding contact with the back surface of the belt 30 and a plurality of carrier rollers that are in rolling contact with the back surface of the belt 30 are provided in the path through which the upper circulation portion 30 c of the belt 30 circulates. The guide rail that is in sliding contact with the central portion of the back surface of the belt 30 guides the central portion of the belt 30. The guide rail and the carrier roller are supported by the main body frame 50. The carrier roller that is in rolling contact with both sides of the back surface of the belt 30 is provided with its rotation axis inclined at about 10 ° with respect to the horizontal line, and guides the both ends of the belt 30 to be lifted. As a result, both end portions of the belt 30 circulate while inclining inward, so that the collected material conveyed by the belt 30 does not spread from side to side.

  Further, on the belt 30, left and right side plates (not shown) slidably contacting both sides of the upper surface of the upper circulation portion 30c are provided so as to prevent the collected material conveyed by the side plates from spreading from side to side. It may be.

The inspection work of the collected items is performed according to the following procedure.
The self-propelled conveyor work machine 11 is moved to a predetermined position where the front end of the belt 30 faces the garbage pit 1.
-The collection vehicle on which the collection material is loaded is moved backward and brought close to the self-propelled conveyor work machine 11 and stopped at a position where the wheel of the collection vehicle rides on the slope 9 provided on the platform 2. Thereby, the garbage discharge part of a collection vehicle faces on the belt 30 without interfering with the self-propelled conveyor type work machine 11.
-Drop the collected material from the collection vehicle onto the belt 30 and perform inspection work on the collected material on the belt 30.
-The collected material is conveyed to the garbage pit 1 by circulating the belt 30.

  When the inspection work is completed, the self-propelled conveyor type work machine 11 is self-propelled and removed. As a result, a normal loading operation is performed in which the collection vehicle enters the space in front of the garbage entry door and the collected material from the collection vehicle is directly input to the garbage pit 1. As a result, it is not necessary to provide a dumping box in front of the dust input door as in the prior art, and the operating rate of the dust input door can be increased.

  Since the space on the belt 30 is opened, the self-propelled conveyor work machine 11 can directly receive the collected material dropped from the collection vehicle on the belt 30 and efficiently perform the inspection work on the collected material.

  Conventionally, in such a self-propelled conveyor type work machine, the main body frame that supports the front and rear rollers 31 and 32 is disposed inside the belt circulation path, and the front and rear rollers 31 at the front and rear ends of the main body frame. , 32 is supported, there is a problem that it is difficult to sufficiently secure the support rigidity of the front and rear rollers 31, 32.

  The present invention has been made to cope with this, and the main body frame 50 that supports the front and rear rollers 31 and 32 is disposed outside the circulation path of the belt 30, and the support rigidity of the front and rear rollers 31 and 32 is sufficient. The structure is secured.

  FIG. 2A is a plan view showing a schematic configuration of the main body frame 50, and FIG. 2B is a side view showing a schematic configuration of the main body frame 50. Hereinafter, the configuration of the main body frame 50 will be described.

  The main body frame 50 includes left and right side members 51 extending in the front-rear direction (X-axis direction) along the left and right ends of the belt 30, and a left-right side member extending in the left-right direction (Y-axis direction) perpendicular to the side members 51. Front and rear cross members 55 and 57 spanned over 51 and left and right traveling frames 52 that support the left and right traveling devices 12 are provided.

  Roller shafts 41 and 42 that rotatably support the front and rear rollers 31 and 32 are connected to the front and rear ends of the left and right side members 51, respectively.

  The left and right side members 51 are arranged substantially parallel to the left and right ends of the belt 30. As a result, the belt 30 is disposed between the left and right side members 51 and is not disposed above the left and right side members 51, so that the conveyance path of the belt 30 is kept low.

  The left and right traveling frames 52 protrude from the left and right side members 51 in the left-right direction (Y-axis direction), and the left and right traveling devices 12 are coupled to the respective tips. As a result, the left and right side members 51 are disposed between the traveling frames 52 and are not disposed above the traveling frames 52, so that the conveyance path of the belt 30 is kept low.

  Side member extensions 51a and 51b are formed at the front and rear ends of the left and right side members 51 and extend in the direction protruding from the connecting portion of the roller shafts 41 and 42 that support the front and rear rollers 31 and 32 (X-axis direction). The

  The front cross member 55 is stretched over the front ends of the left and right side member extensions 51 a and is disposed in front of the front roller 31.

  The front end portions (side member extension portions 51 a) of the left and right side members 51 are connected to each other by the front cross member 55, thereby sufficiently securing rigidity against the load received from the roller shaft 41 of the front roller 31.

  The front cross member 55 is provided outside the circulation path of the belt 30 and is disposed in front of the front end folded portion 30a of the belt 30 (X-axis direction). The front cross member 55 is separated from the front end folded portion 30 a of the belt 30 by a predetermined distance, and a discharge space 45 is defined between the front cross member 55 and the front end folded portion 30 a of the belt 30. As a result, when the belt 30 is circulated, the collected material loaded on the belt 30 falls through the discharge space 45 as indicated by arrows in FIGS. 2A and 2B and is discharged to the garbage pit 1. Is done.

  The rear cross member 57 is stretched over the rear ends of the left and right side member extensions 51b. The rear cross member 57 is arranged behind the rear end folded portion 30 b of the belt 30 (in the X-axis direction) and is provided outside the circulation path of the belt 30. The rear cross member 57 is separated from the rear end folded portion 30 b of the belt 30 by a predetermined distance so as not to interfere with the belt 30.

  The rear end portions (side member extension portions 51 b) of the left and right side members 51 are connected to each other by the rear cross member 57, thereby sufficiently securing rigidity with respect to the load received from the roller shaft 42 of the rear roller 32. .

  In the main body frame 50, the rigidity of the left and right side members 51 is increased by the front and rear cross members 55 and 57, so that the support rigidity of the front and rear rollers 31 and 32 is sufficiently ensured.

  As a result, the self-propelled conveyor work machine 11 can open the space on the belt 30, and the collected material dropped from the collection vehicle is directly received on the belt 30, and the inspection of the conveyed product is performed. Later, the function of a dumping box installed in the waste treatment facility, in which the belt 30 is circulated and the collected material is conveyed to the waste pit 1, is provided.

  Hereinafter, the gist, operation, and effect of the present embodiment will be described.

  In this embodiment, it is the self-propelled conveyor type work machine 11 which conveys a conveyed product, Comprising: The endless belt 30 which loads a conveyed product, and before and after circulating this belt 30 by the belt 30 being wound around and rotating , The belt 30 and the traveling device 12 that conveys the front and rear rollers 31, 32, and the main body frame 50 that supports the front and rear rollers 31, 32 and the traveling device 12. Are provided on the left and right ends of the front and rear rollers 31 and 32, respectively, to connect the front and rear rollers 31 and 32, and to the front and rear of the left and right side members 51 disposed outside the circulation path of the belt 30. It is set as the structure provided with the cross members 55 and 57 before and behind which each connects an end.

  According to the self-propelled conveyor working machine 11 of the present invention, the left and right side members 51 are connected by the front and rear cross members 55 and 57, respectively, and the front and rear rollers 31 and 32 are arranged between the front and rear cross members 55 and 57. As a result, the rigidity of the main body frame 50 that supports the belt 30 via the front and rear rollers 31 and 32 is improved.

  Thereby, the vibrations of the rollers 31 and 32 before and after the belt 30 is circulated and the vibrations from the traveling device 12 can be reduced. As a result, the lifetime of the self-propelled conveyor type work machine 11 can be extended.

  In the present embodiment, when the portion of the belt 30 that is wound around the front roller 31 is the front end folded portion 30a, the belt 30 is loaded between the front end folded portion 30a and the front cross member 55. A discharge space 45 through which the conveyed product is passed is defined.

  Based on the above configuration, by circulating the belt 30, it is possible to discharge the transported material (collected material) dropped on the belt 30 to the garbage pit 1 through the discharge space 45, and transport the transported material to the front cross member. It can be discharged without interfering with 55.

  Various sensors for detecting the passage of dust passing through the discharge space 45 may be attached to the side member extension 51a facing the discharge space 45. Accordingly, it is possible to count whether or not dust is discharged and how much dust is discharged.

Hereinafter, other embodiments and reference examples shown in FIGS. These have basically the same configuration as the embodiment of FIGS. 1 and 2, and only the differences will be described. In addition, the same code | symbol is attached | subjected to the same structure part as the said embodiment.

  First, another embodiment shown in FIG. 3 will be described. FIG. 3A is a plan view showing a schematic configuration of the main body frame 50, and FIG. 3B is a side view showing a schematic configuration of the main body frame 50.

  The self-propelled conveyor type work machine 11 includes a reinforcing frame 60 connected to the main body frame 50. The reinforcing frame 60 is stretched over the left and right side members 51 so as to straddle the belt 30, and increases the rigidity of the main body frame 50.

  The tower-shaped reinforcement frame 60 includes front and rear posts 61 and 62 erected on the left and right side members 51, left and right beams 63 spanned between the front and rear posts 61 and 62, and a front The beam 67 before being stretched substantially orthogonally between the posts 61, the beam 66 being stretched substantially orthogonally between the subsequent posts 62, the front and rear posts 61, 62 and the beam 63. And stays 64, 65 that are slanted over the front and back and front and rear posts 61, 62 and stays (not shown) that are slanted across the beams 67, 66. The rigidity of the reinforcing frame 60 is increased through the stays 64, 65 and the like.

  The front and rear posts 61 and 62 extend in a substantially vertical direction (Z-axis direction), and are provided so that the connecting portions (lower ends) to the left and right side members 51 are positioned on the front and rear of the traveling frame 52.

  In the present embodiment, the main body frame 50 is configured to include the reinforcing frame 60 that spans the left and right side members 51.

  Based on the above configuration, the body frame 50 is further enhanced in rigidity against the load received from the front and rear rollers 31 and the traveling device 12 by connecting the reinforcing frame 60 across the left and right side members 51. The reinforcement frame 60 is stretched over the left and right side members 51 so that the reinforcement frame 60 does not interfere with the conveyed object conveyed by the circulating belt 30 and the support rigidity for the belt 30 is sufficiently secured. That is compatible.

Next, a reference example shown in FIG. 4 will be described. 4A is a plan view showing a schematic configuration of the main body frame 50, and FIG. 4B is a side view showing a schematic configuration of the main body frame 50. As shown in FIG.

  The self-propelled conveyor type work machine 11 includes a sliding plate 70 connected on the main body frame 50. The sliding plate 70 slides the conveyed product carried by the belt 30 and drops it to the garbage pit 1.

  The sliding plate 70 is formed in a substantially rectangular flat plate shape, and is attached across the left and right side member extensions 51 a and the front cross member 55. However, the present invention is not limited to this, and the sliding plate 70 may be formed integrally with the front cross member 55.

  The sliding plate 70 is inclined so that the front end portion 70a is lower than the rear end portion 70b, and the rear end portion 70b faces the front end folded portion 30a of the belt 30 with a slight gap.

  As a result, when the belt 30 circulates and the conveyed product on the belt 30 is conveyed to the front end folding portion 30a of the belt 30, most of the sliding plate as shown by arrows in FIGS. 4 (a) and 4 (b). It slides on 70 and falls to the front of the belt 30 and is discharged to the garbage pit 1 below.

In this reference example , when the part of the belt 30 wound around the front roller 31 is a front end folded portion 30a, one end is adjacent to the front end folded portion 30a and the other end is below the front end folded portion 30a. It was set as the structure provided with the sliding board 70 which inclines.

  Based on the above configuration, the conveyed product conveyed by the belt 30 slides down on the sliding plate 70 and is discharged without interfering with the previous cross member 55. As a result, the front cross member 55 can be disposed close to the front-end folded portion 30a of the belt 30, and the length of the self-propelled conveyor work machine 11 in the front-rear direction is shortened. The rigidity against the load received from the roller 31 can be effectively increased.

Next, a reference example shown in FIG. 5 will be described. FIG. 5A is a plan view showing a schematic configuration of the main body frame 80, and FIG. 5B is a side view showing the schematic configuration of the main body frame 80.

  As in the above-described embodiments, the main body frame 80 includes left and right side members 81 extending in the front-rear direction (X-axis direction) along the left and right ends of the belt 30, and a left-right direction (Y-axis direction) orthogonal to the side members 81. ) And front and rear cross members 85, 87 that span the left and right side members 81, and left and right traveling frames 82 that support the left and right traveling devices 12.

  In the self-propelled conveyor type work machine 11, the front cross member 85 is disposed below the front roller 31, and the conveyed product conveyed by the belt 30 is dropped downward from the front end folding portion 30 a of the belt 30. .

  At the front end portions of the left and right side members 81, side member extension portions 81a that are bent downward (Z-axis direction) from the connecting portion of the roller shaft 41 that supports the front roller 31 are formed.

  The front cross member 85 is stretched over the lower ends of the left and right side member extensions 81 a and is disposed below the front roller 31.

  As a result, when the belt 30 circulates and the conveyed product on the belt 30 is conveyed to the front end folding portion 30a of the belt 30, the conveyed product is folded at the front end as indicated by arrows in FIGS. From the portion 30a, it falls through the front of the front cross member 85, and is discharged to the lower garbage pit.

  The self-propelled conveyor working machine 11 is not limited to this, and the front cross member 85 may be disposed above the front roller 31. In this case, at the front end portions of the left and right side members 81, side member extension portions that are bent and extend upward (in the Z-axis direction) from the connecting portion of the roller shaft 41 that supports the front roller 31 are formed. The front cross member 85 is provided with a sufficient height above the belt 30 so as not to obstruct the conveyance of the conveyed product on the belt 30.

In this reference example , the front end portions of the left and right side members 81 are formed with side member extensions (81a) that bend upward or downward, and the front cross member 85 has left and right side member extensions (81a). It was set as the structure which connects mutually.

  Based on the above configuration, the conveyed product conveyed by the belt 30 is discharged without interfering with the front cross member 85. As a result, the front cross member 85 can be disposed close to the front end folding portion 30a of the belt 30 and the length of the self-propelled conveyor work machine 11 in the front-rear direction can be shortened. The rigidity against the load received from the roller 31 can be effectively increased.

  The present invention is not limited to the above-described embodiment, and it is obvious that various modifications can be made within the scope of the technical idea.

DESCRIPTION OF SYMBOLS 11 Self-propelled conveyor-type working machine 12 Traveling apparatus 30 Belt 30a Front end folding | returning part 30b Rear end folding | turning part 31 Front roller 32 Rear roller 45 Discharge space 50 Main body frame 51 Side member 51a Side member extension part 52 Running frame 55 Front cross cross member 60 reinforcing frame after the member 57

Claims (2)

An endless belt for loading the goods,
Rollers before and after the belt is circulated and circulated through the belt by rotation thereof;
A traveling device for conveying the belt and the front and rear rollers;
A body frame that supports the front and rear rollers and the traveling device;
The body frame is
Left and right side members that are respectively provided on the left and right ends of the front and rear rollers and connect the front and rear rollers;
A front and rear cross member arranged outside the circulation path of the belt and connecting the front and rear ends of the left and right side members, respectively .
When the portion of the belt that is looped around the front roller is a front end folded portion, a conveyed product loaded on the belt is passed between the front end folded portion and the front cross member. A self-propelled conveyor type work machine characterized in that a discharge space is defined . Posts before and after standing on the left and right side members,
Left and right beams spanned substantially orthogonally between the front and rear posts;
A beam before being spanned approximately orthogonally between the previous posts;
A post beam that is stretched approximately orthogonally between the post posts;
A stay that is slanted across the front and rear posts and the left and right beams;
2. The self-propelled conveyor-type work according to claim 1, wherein the main body frame is provided with a tower-shaped reinforcing frame having the front and rear posts and a stay that is slanted across the front and rear beams. Machine.

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