JP3387202B2 - Extraction device for storage equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting device for a storage facility. [0002] Generally, in coal-fired power plants and the like,
A storage facility such as a silo in which a storage product such as coal is stored is provided. As shown in FIG. 12, the storage facility 1 has a slit 2 formed at the bottom thereof and both side edges of the slit 2 are substantially formed. In addition to the flat payout shelf 3, a housing 4 is formed so as to cover the upper part of the slit 2, and the storage 5 on the payout shelf 3 can be cut out from the slit 2 by a cutting device described later. Have. [0003] As a cutting device for cutting out a storage material 5 such as coal from the storage facility 1, for example, as shown in FIG. And a guide rail 7 extending parallel to the belt conveyor 6.
A traveling trolley 8 that can travel on the top along the slit 2 is provided in the housing 4, and the storage 5 on the dispensing shelves 3 on both sides of the storage facility 1 is provided with a chute 9 from the slit 2. There is a so-called double-sided cut-out device in which a cut-out wheel 10 for scraping off the belt onto the belt conveyor 6 is rotatably mounted. [0004] As shown in FIG. 14, the cutting wheel 10 has a rotary support 13 provided integrally with a wheel drive shaft 12 driven to rotate by a drive device (not shown).
A plurality of paddle blades 1 having a curved shape
4 is fixed. [0005] In the cutting device of both sides cutting type as shown in FIG. 13, when the traveling carriage 8 is driven at a required speed along the slit 2 while rotating the cutting wheel 10.
The stocks 5 on the payout shelves 3 on both sides are simultaneously scraped from the slits 2 onto the belt conveyor 6 via the chutes 9 by the cutting wheel 10, and the stocks 5 from the storage facility 1.
Is cut out. On the other hand, in the case of recent coal-fired power plants, it is common to mix and burn a plurality of types of coal at a desired ratio. For this reason, as shown in FIG. A plurality of stored storage facilities 1 are juxtaposed, connected by guide rails 7, and a traveling cart 8 of the cutting device.
Can be moved between the respective storage facilities 1 so that coal can be cut out from the respective storage facilities 1. However, in the case of the above-described double-sided cutting type cutting device, the storage facility 1 which does not need to perform cutting-out because the so-called idling cannot be performed, ie, only running without cutting out the storage material 5 cannot be performed. Even if there is, it is not possible to skip the storage facility 1 and move to the next storage facility 1,
In order to cope with this, the number of cutting devices must be
In the event that a failure occurs in the cutting wheel 10 in the middle of cutting, the cutting wheel 10 embedded in the storage 5 is put together with the traveling vehicle 8 into the storage facility 1.
However, there is a drawback in that it is necessary to draw out the equipment to the outside, and it is necessary to provide excessive auxiliary equipment. For this reason, as shown in FIG. 16, a traversing carriage 15 that can traverse in the width direction of the slit 2 on the traveling carriage 8
And rotating the cutting wheel 10 on the trolley 15 to scrape the goods 5 on the dispensing shelf 3 on one side of the storage facility 1 from the slit 2 onto the belt conveyor 6 via the chute 9. In many cases, a so-called one-sided cut-out type cut-out device, which is mounted as much as possible and has a width substantially larger than the diameter of the cut-out wheel 10 by expanding the width of the slit 2, is adopted. In the one-side cut-out type cutting device as shown in FIG. 16, the traveling vehicle 8 is slit while rotating the cutting wheel 10 in a state where the traversing vehicle 15 is moved toward one of the payout shelves 3. 2 at a required speed, the storage material 5 on one of the dispensing shelves 3 is scraped off from the slit 2 onto the belt conveyor 6 via the chute 9 by the cutting wheel 10 and stored from the storage facility 1. While the object 5 is cut out, when the traveling trolley 8 reaches the storage facility 1 that does not need to be cut out, the traversing trolley 15 is moved to substantially the center of the slit 2 and the cutting wheel 10 is moved. When the traveling cart 8 is run at a speed higher than that at the time of cutting out while the tip portion is held at a position not to be attached to the payout shelves 3 on both sides, the storage object 5 passes through the storage facility 1 without being cut out at all. It can be, and to be able to transition to the next storage facility 1. [0010] In addition to the above-mentioned traversing method, the one-side cutting type cutting device is, as shown in FIG.
A swivel truck 16 is disposed so as to be swivelable on the upper side.
A cutting wheel 10 for rotatably scraping the storage material 5 on the dispensing shelf 3 on one side of the storage facility 1 from the slit 2 onto the belt conveyor 6 via the chute 9 is rotatably attached to the tip of the storage facility 1. There is also a turning type. [0011] However, in the above-described one-side cut-out type cutting device, although it is possible to run idle, a larger space (approximately per unit cut-out amount) than the two-side cut-out type is possible. 4 times), and the effective space of the storage facility 1 is reduced. The present invention has been made in view of the above-mentioned circumstances, and enables the vehicle to run idle, can cope with a plurality of storage facilities with a minimum number of vehicles, and runs the cutting wheel embedded in the storage when the cutting wheel fails. It is an object of the present invention to provide a storage facility cutting-out device which does not require providing an excessive auxiliary facility for drawing out the storage facility together with a cart, and which can avoid a decrease in an effective space in the storage facility. According to the present invention, a slit is formed in a bottom portion, and both side edges of the slit are formed as substantially flat dispensing shelves, and a housing is formed so as to cover above the slit. Below the slit of the storage facility,
Along with a belt conveyor extending in the longitudinal direction of the slit, a traveling vehicle that can travel along the slit is disposed, and on the traveling vehicle, the storage items on the dispensing shelves on both sides of the storage facility are removed from the slit. A cutting device for a storage facility in which a cutting wheel for scraping the belt onto a belt conveyor via a chute is rotatably mounted, and a rotary support provided integrally with a wheel drive shaft that is rotated by a driving device. A plurality of paddle blades rotatably mounted on a peripheral portion of the rotary support around a support shaft parallel to the wheel drive shaft and arranged to be switchable between a deployed position and a folded position; Rotation of each paddle blade in the direction opposite to the rotation direction of the wheel drive shaft at the time of rotation to restrict the rotation of the paddle blade around the support axis and hold the paddle blade in the deployed position. A cutting stopper provided at a peripheral portion of the support, a folding drive shaft penetrating a center portion of the wheel drive shaft and rotatably provided, and the paddle rotatably driven by the folding drive shaft. An arm member for rotating the blade in a required direction about the support shaft thereof, and a rotation of the paddle blade around the support shaft of each paddle blade in the same direction as the rotation direction of the wheel drive shaft by the arm member. The cutting wheel is constituted by a folding stopper provided at a peripheral portion of the rotary support to hold the cutting wheel at a folding position, and the cutting wheel is provided on the traveling carriage.
A dust collection hood is provided to cover the upper surface of the eel, and the storage facility housing
Collection extending in the longitudinal direction of the slit in the ring
While maintaining communication with the dust duct,
Slidable traveling hood through the connecting duct
The present invention relates to a storage device cutting device connected to the dust collecting hood . Therefore, when cutting out a stored product, the wheel drive shaft is driven to rotate by the driving device and the rotary support is rotated. Each paddle blade of the wheel is pressed against the cutting stopper, the paddle blade rotates around the wheel drive shaft while being held at the cutting position, and in this state, the traveling carriage travels at the required speed along the slit. By the above-mentioned cutting wheel, the stocks on the payout shelves on both sides are simultaneously scraped from the slits onto the belt conveyor through the chute, and the stocks are cut out from the storage facility. On the other hand, when the traveling carriage approaches storage equipment that does not need to perform cutting, the folding drive shaft is rotationally driven with the rotating support stopped at a required position,
When the arm member is rotated in the same direction as the rotation direction of the wheel drive shaft at the time of cutting, the paddle blade is rotated around the support shaft by the arm member in a direction away from the cutting stopper, and is moved to the folding stopper. It stops at the pressed position and is held in the folded position. The paddle blade held in the folded position is
Since it fits within the width of the slit and the cutting wheel is held at a position where it does not touch the dispensing shelves on both sides, in this state, if the traveling cart is run at a faster speed than when cutting, the storage is cut out. It is possible to pass through the storage facility without performing at all, and it is possible to move to the next storage facility. [0018] Further, in the cutting device of the storage facility,
A dust collecting hood is provided on the traveling trolley to cover the upper surface of the cutting wheel, and the dust collecting hood is provided along the longitudinal direction while maintaining a communication state with a dust collecting duct disposed in the housing of the storage facility so as to extend in the longitudinal direction of the slit. to connect the slidable travel hood, the dust collection hood via the connection duct Te
Thereby, at the time of cutting out the storage material, the traveling hood slides along the longitudinal direction thereof while maintaining the communication state with the dust collection duct along with the traveling of the traveling vehicle, The dust is sucked from the dust collecting hood covering the upper surface of the cutting wheel to the dust collecting duct via the connecting duct and the traveling hood. Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 to 11 show an embodiment of the present invention. In the drawings, the same reference numerals as those in FIGS. 12 to 17 denote the same parts. A belt conveyor 6 extending downward in the longitudinal direction of the slit 2
And a traveling vehicle 8 capable of traveling on the guide rail 7 along the slit 2 is disposed.
Then, a cutting wheel 10 for rotatably scraping the storage material 5 on the dispensing shelves 3 on both sides of the storage facility 1 from the slit 2 through the chute 9 onto the belt conveyor 6 is rotatably mounted. As shown in FIGS. 2 to 8, the cut-out wheel 10 is driven by a drive unit 11 such as a hydraulic motor or the like.
A plurality (four in the example in the figure) of paddle blades 14 are provided around the periphery of a rotary support 13 provided integrally with a wheel drive shaft 12 that is rotationally driven through the wheel drive shaft 12.
Is mounted so as to be rotatable about a support shaft 18 which is parallel to the main body, and is disposed so as to be switchable between a developed position (see FIGS. 3 and 4) and a folded position (see FIG. 7). A cutting stopper 19 for limiting rotation of each paddle blade 14 about the support shaft 18 in the direction opposite to the rotation direction of the wheel drive shaft 12 at the time of cutting, and holding the paddle blade 14 in the deployed position. The center of the wheel drive shaft 12 is hollow, and the wheel drive shaft 12
Through a folding drive shaft 21 that is rotationally driven by a drive device 20 such as a hydraulic motor, and the paddle blade 14 is rotated at a top end of the folding drive shaft 21 around a support shaft 18 in a required direction. The arm member 22 to be fastened is integrally attached via a disk-shaped base plate 23, and the arm member 2 is attached to the periphery of the rotary support 13.
2 is provided with a folding stopper 24 for restricting the rotation of each paddle blade 14 around the support shaft 18 in the same direction as the rotation direction of the wheel drive shaft 12 and holding the paddle blade 14 in the folding position. It has a configuration made up of: As shown in FIG. 2, the speed reducer 17 has a bevel gear 26 fitted on a shaft 25 driven to rotate by the driving device 11 and a first intermediate gear fitted with a bevel gear 27 meshing with the bevel gear 26. Shaft 28 and the first intermediate shaft 2
8 so as to mesh with an intermediate gear 29 fitted to the intermediate gear 29, a second intermediate shaft 31 fitted with an intermediate gear 30 meshed with the intermediate gear 29, and an output gear 33 fitted to the wheel drive shaft 12. An intermediate gear 32 fitted to the second intermediate shaft 31. In FIG. 2, two driving devices 11 are provided, but it goes without saying that one driving device may be used. The folding drive shaft 21 is, as shown in FIG.
A gear box 35 and a clutch 36 are connected to a shaft 34 that is rotationally driven by the driving device 20. When the paddle blade 14 is folded, the paddle blade 14 is rotationally driven by the operation of the driving device 20 with the clutch 36 connected. When the paddle blade 14 is folded in the event of a failure of the drive device 20, the shaft 40 is connected to the shaft 40 via the speed reducer 38 and the clutch 39 by the manual handle 37.
Is also driven to rotate the folding drive shaft 21. As shown in FIGS. 2 and 3, the arm member 22 fixes the base ends of two arm brackets 22a to a base plate 23 fitted to the upper end of the folding drive shaft 21. An arm bar 22b that can be engaged with the paddle blade 14 is hung down at the tip of the arm bracket 22a. As shown in FIG. 5, a bracket 41 projecting from the lower surface of the paddle blade 14 is engaged with the cut-out stopper 19, and the folding stopper 24
As shown in FIG. 8, the lower portion of the paddle blade 14 is engaged. On the other hand, as shown in FIG. 9, the chute 9 provided on the traveling vehicle 8 extends in the longitudinal direction of the traveling vehicle 8 on both sides of the speed reducer 17 of the cutting wheel 10, and Is formed to avoid interference,
As shown in FIG. 10, a dust collecting hood 43 for covering the upper surface of the cutting wheel 10 is provided on a frame 42 erected from both longitudinal edges of the chute 9 as shown in FIG. Traveling hood 4 slidable along the longitudinal direction while maintaining a communication state with a dust collecting duct 44 arranged to extend in the longitudinal direction of the slit 2 therein.
5 is connected to the dust collecting hood 43 via a connecting duct 46. As shown in FIG. 11, a plurality of communication holes 47 are formed at a required pitch in the longitudinal direction of the surface of the dust collection duct 44 facing the traveling hood 45.
A shutter 48 which is always kept closed and opened only when the traveling hood 45 passes is attached,
Thus, the traveling hood 45 is slidable along the longitudinal direction thereof while maintaining the communication state with the dust collection duct 44. As shown in FIG. 10, the other end of the dust collecting hood 4 is branched so that suction ports 49 are formed at a plurality of required places (three places in the example in the figure).
3 Connected to the upper surface. In the drawing, reference numeral 50 denotes a traveling drive device for the traveling vehicle 8, 51 denotes traveling wheels, 52 denotes side rollers, 53 denotes a power supply device for supplying power to the traveling vehicle 8, and 54 denotes an inspection provided in the housing 4. It is a sidewalk. Next, the operation of the above embodiment will be described. When the storage 5 is cut out, the driving device 11
When the wheel drive shaft 12 is driven to rotate via the speed reducer 17 and the rotary support 13 is rotated, the bracket 5 of each paddle blade 14 of the cutting wheel 10 receives the reaction force of the stock 5 on the payout shelf 3. 41 is pressed against the cutout stopper 19, and the paddle blade 14 rotates about the wheel drive shaft 12 while being held at the cutout position as shown in FIG. By running at the speed, the stocks 5 on the payout shelves 3 on both sides are simultaneously scraped from the slits 2 onto the belt conveyor 6 via the chutes 9 by the cutting wheel 10, and the stocks 5 from the storage facility 1. Is cut out. On the other hand, when the traveling trolley 8 approaches the storage facility 1 which does not need to perform cutting, the rotary support 13 is stopped at the position shown in FIG. When the folding drive shaft 21 is rotationally driven by the shaft 20 via the shaft 34, the gear box 35, and the clutch 36, and the arm member 22 is rotated in the same direction as the rotation direction of the wheel drive shaft 12 at the time of cutting, two Each of the paddle blades 14 is rotated by the arm member 22 about the support shaft 18 in the direction away from the cutout stopper 19 as shown in FIG. 6 so that the paddle blades 14 fold over the remaining two paddle blades 14, respectively. After approaching, the pair of paddle blades 14 further rotates and stops at a position where the paddle blades 14 are pressed against the folding stopper 24, as shown in FIG. It is held in the tatami position. Paddle blade 14 held in the folded position
As shown in FIG. 7, as shown in FIG. 7, the cutting wheel 10 is held at a position where the cutting wheel 10 does not cover the payout shelves 3 on both sides. When traveling at a high speed, the storage 5 can pass through the storage facility 1 without being cut out at all,
It is possible to move to the next storage facility 1. In the case where the drive device 20 has failed, the folding drive shaft 21 is rotationally driven by rotating the shaft 40 by the manual handle 37 via the speed reducer 38 and the clutch 39. As before, the paddle blade 14 can be folded. When the storage 5 is cut out, the traveling hood 45 slides along the longitudinal direction of the traveling hood 45 while maintaining the communication state with the dust collecting duct 44 as the traveling vehicle 8 travels. The dust generated at the time is sucked from the dust collecting hood 43 covering the upper surface of the cutting wheel 10 to the dust collecting duct 44 via the connecting duct 46 and the traveling hood 45. In this way, the two-sided cut-out type cutting device can run idle, can cope with a plurality of storage facilities 1 with the minimum number, and can store the stored material 5 when the cutting wheel 10 fails.
It is not necessary to provide an excessive auxiliary facility for pulling out the cutting wheel 10 embedded in the storage facility 1 together with the traveling vehicle 8, and it is possible to avoid a reduction in the effective space in the storage facility 1. By providing the dust collecting hood 43 that covers the upper surface of the cutting wheel 10, dust generation at the time of cutting out the storage item 5 can be prevented, and the working environment can be improved. The device for cutting out storage equipment according to the present invention is not limited to the above-described embodiment, but various changes can be made without departing from the scope of the present invention. As described above, according to the storage equipment cutting device of the present invention, free running is possible, and a minimum number of storage equipment can be used with a plurality of storage equipment. It is not necessary to provide excessive auxiliary equipment for pulling out the cutting wheel buried in the storage together with the traveling cart when the wheel fails, and it is possible to avoid reducing the effective space in the storage equipment, Further, the Rukoto provided dust hood covering the cutting wheel upper surface, prevents dust during cutting out of the reservoir, an excellent effect help improve the working environment.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of an embodiment of the present invention. FIG. 2 is a side sectional view of a cutting wheel according to an embodiment of the present invention. FIG. 3 is a view taken in the direction of arrows III-III in FIG. 2; FIG. 4 is a schematic state explanatory view showing a state at the time of starting folding of a cutting wheel. FIG. 5 is a sectional view taken along line VV of FIG. 4; FIG. 6 is a schematic state explanatory view showing a state in which the cutting wheel is being folded. FIG. 7 is a schematic state explanatory view showing a state at the time of completion of folding of the cutting wheel. 8 is a sectional view taken along line VIII-VIII of FIG. FIG. 9 is a view taken in the direction of arrows IX-IX in FIG. 1; FIG. 10 is a view taken in the direction of arrows XX in FIG. 1; FIG. 11 is a schematic diagram illustrating a dust collection duct and a traveling hood. FIG. 12 is a schematic perspective view showing the bottom of the storage facility. FIG. 13 is a front view illustrating an example of a conventional double-sided cutting device. FIG. 14 is a plan view illustrating an example of a conventional cutting wheel. FIG. 15 is a plan view illustrating an example of an arrangement of storage facilities in a coal-fired power plant. FIG. 16 is a front view showing an example of a conventional one-side cut-out type cutting device. FIG. 17 is a plan view illustrating another example of a conventional one-side cut-out type cutting device. [Description of Signs] 1 Storage facility 2 Slit 3 Dispensing shelf 4 Housing 5 Storage 6 Belt conveyor 8 Running cart 9 Chute 10 Cutting wheel 11 Drive device 12 Wheel drive shaft 13 Rotary support 14 Paddle blade 18 Support shaft 19 Cutting out Stopper 21 Folding drive shaft 22 Arm member 24 Folding stopper 43 Dust collecting hood 44 Dust collecting duct 45 Running hood 46 Connecting duct

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65G 65/30-65/48

Claims (1)

(57) [Claim 1] A slit is formed at the bottom, and both side edges of the slit are formed as substantially flat payout shelves, and a housing is formed so as to cover above the slit. A belt conveyor extending in the longitudinal direction of the slit is disposed below the slit of the storage facility, and a traveling vehicle that can travel along the slit is disposed on both sides of the storage facility. A cutting device for a storage facility, which is rotatably mounted with a cutting wheel for scraping a storage item on a payout shelf from a slit onto a belt conveyor via a chute, wherein the wheel is rotationally driven by a driving device. A rotary support provided integrally with the drive shaft; and a rotatable support member attached to a peripheral portion of the rotary support around a support shaft parallel to the wheel drive shaft, and in a deployed position and a folded position. A plurality of replaceable paddle blades, and for restricting rotation of each paddle blade around the support shaft in a direction opposite to the rotation direction of the wheel drive shaft at the time of cutting, and for holding the paddle blade in the deployed position. A cutting stopper provided at a peripheral portion of the rotary support, a folding drive shaft penetrating the center of the wheel drive shaft and rotatably provided, and rotationally driven by the folding drive shaft. And an arm member for rotating the paddle blade in a required direction about the support shaft thereof, and restricting rotation of each paddle blade around the support shaft in the same direction as the rotation direction of the wheel drive shaft by the arm member; a paddle blade constitutes the cutting wheel from said arranged on the periphery of the rotary support the folding stopper to hold the folded position, the traveling table Above, dust-off to cover the cut-out wheel top
The length of the slit is set in the housing of the storage facility.
Communicating with dust collection ducts that extend in the direction
Slidable along its length while holding
A cutting device for a storage facility, wherein a hood is connected to the dust collecting hood via a connecting duct .