JP4777485B1 - Unloading device - Google Patents

Abstract

[PROBLEMS] To provide an unloading device that can easily and easily discharge unloading materials such as waste materials generated at a high place from a high place and quickly and easily to a loading platform of a transport vehicle and other places. To do.
The gondola includes a gondola, a suspending portion, and an elevating drive means. The gondola is provided with a bottom plate that is pivotally supported, and the bottom plate is placed around a pivot. A link arm 16 is provided for pivoting to a closed position and a bottom open position, and the hanging part 20 is connected to the gondola 10 with a certain play section and is also connected to the link arm 16 to raise the gondola 10. At that time, by raising the suspension part 20, the gondola 10 is raised after the bottom plate 13 is rotated to the bottom closed position, and when the gondola is lowered, the suspension part 20 is lowered, After the gondola 10 is lowered to the descent stop position, the bottom plate 13 is rotated to the bottom open position.
[Selection] Figure 1

Description

  The present invention relates to an unloading apparatus used for unloading loads such as waste materials downward from a high place such as a building.

In the demolition work of buildings, there was a time when it was only necessary to destroy the building itself, but in recent years, when demolition of buildings etc., environmental pollution due to the demolition and dust scattered around Therefore, it is required to collect the dismantled material as much as possible without being crushed and scattered and take it to an appropriate disposal place.
In view of these circumstances, recently, when dismantling buildings, waste materials such as waste generated on the upper floors are used as luggage, dropped to the ground without being further crushed and scattered, and trucks moved. They are loaded and carried in cars.
Japanese Patent Laying-Open No. 10-218597 (Patent Document 1) discloses a loading platform device for an unloader that is guided by a guide pole (2) and moves up and down.
Japanese Patent Laid-Open No. 2002-234893 (Patent Document 2) is provided with a lifting hopper (7) that moves up and down as a hopper elevator device, and when the lifting hopper (7) is raised to a predetermined height, An apparatus is disclosed in which the blocking plate (20) is opened against the urging force to open the discharge opening (7a).
In JP-A-2006-22534 (Patent Document 3), as a method for dismantling a building, a large lift for lifting (B) is constructed with a tower crane (A) erected outside the building, and the large lifting A method in which a heavy machine for dismantling (C), a dump truck (D) and a dismantling material are lifted and lowered by a lift (B) is disclosed.
In JP2007-23702 (Patent Document 4), as a construction method and a dismantling method for a high-rise building scaffold, the elevator (3) is moved up and down along the guide pipe (11) with a wire rope (7), A method for unloading or unloading scaffolding materials and the like is disclosed.

Japanese Patent Laid-Open No. 10-218597 JP 2002-234893 A JP 2006-22534 A JP 2007-23702 A

The loading platform device of the unloader shown in Patent Document 1 includes a mechanism for sliding the loading platform (7) with respect to the loading platform receiver (6), and is capable of unloading and unloading at a point where the position of the loading platform plate (7b) can be adjusted. However, the structure of the loading platform (7) and loading platform plate (7b) does not change at all, and the unloading work on the loading platform (7) or the unloading operation from the loading platform (7) itself is greatly reduced. It is not something that can be automated, nor can it be automated.
The hopper elevator apparatus shown in Patent Document 2 can automatically open the discharge opening (7a) when the lifting hopper (7) is raised to a predetermined height. Since (20) is opened and closed, there is a problem that although it can be adapted for raising and lowering relatively light loads, it is not suitable for raising and lowering heavy loads.
The building dismantling method shown in Patent Document 3 is based on the premise of a large lifting lift (B) that lifts and lowers a heavy dismantling machine (C) and a dump truck (D). There is a problem that it is not suitable for lifting and lowering luggage.
The construction method and the dismantling method of the high-rise building scaffold shown in Patent Document 4 above are lifting and lowering the lifting platform (3) with the wire rope (7). There is no particular disclosure about the device for loading or unloading a package in (3).

  Therefore, the present invention solves the above-described conventional problems, and in the demolition work of a building or the like, loads such as waste materials generated at a high place are unloaded from the high place and promptly placed on a loading platform of a transport vehicle such as a truck or other place. Furthermore, it is an object of the present invention to provide an unloading device that can be easily and easily discharged by a labor-saving operation.

An unloading apparatus of the present invention is an unloading apparatus used to unload a load such as waste material downward from a high place such as a building, and includes a gondola for storing the load, and a suspension part for hanging the gondola. And an elevating drive means for raising and lowering the gondola through the suspending portion. The gondola is provided with a bottom plate pivotally supported by the gondola, and the bottom plate is provided with a bottom closing position and a bottom around the pivot. A link arm for rotating to the open position is provided, and the suspension part and the gondola are connected by connecting a pin provided in the suspension part to a longitudinal slot provided in the frame constituting the gondola. It is configured by loosely fitting, and the suspension part and the link arm are connected by connecting the link arm to the connection pin, whereby the suspension part is raised and lowered with respect to the gondola. Certain play in the direction When the gondola is lifted, the bottom plate is rotated to the bottom closed position via the link arm while the hanging part is lifted up the fixed play section. When the gondola is lowered, the entire gondola is lowered to the descent stop position, and then the bottom plate is moved to the bottom via the link arm while the suspension part descends the play section of the predetermined distance. The first feature is that it is configured to rotate to the open position.
In addition to the first feature described above, the unloading apparatus of the present invention is configured such that the frame provided with the elongated hole is a pair of vertical frames disposed on both sides in the width direction of the gondola, and the pair of vertical frames is a cylinder. A pair of connecting rods hanging from both sides of the suspension part are inserted into the cylindrical frame so as to be able to advance and retreat, and connecting pins respectively provided on the pair of connecting rods are inserted into the elongated holes. Freely fitting, a pair of link arms is connected to each connecting pin on each base end side, and each bottom end can be connected to both sides of the bottom plate to rotate the bottom plate around a pivot axis. The second feature is that it is configured as described above.
In addition to the first or second feature, the unloading apparatus of the present invention is provided with guide rails for guiding the raising and lowering of the gondola on both sides of the gondola, and the stop positioning for determining the lowering stop position of the gondola on the guide rail. The third feature is that a member is provided.
Moreover, in addition to any of the first to third features, the unloading device of the present invention is such that the lifting / lowering of the hanging portion by the lifting / lowering driving means is slower in the play section than in the play section. The fourth feature is that it is configured as described above.

According to the unloading apparatus of the first aspect, the entire gondola suspended by the suspension part is lowered downward from the high place by the operation of the lifting drive means. The gondola stops when it is lowered to the descent stop position. At this time, since the raising / lowering driving means is still in an operating state, the suspension part continues to descend a certain play section. For this reason, the link arm connected to the suspension part also descends downward. By the lowering of the link arm, the bottom plate of the gondola rotates around the pivot shaft by its own weight from the bottom closed position of the gondola to the bottom open position.
When the bottom plate of the gondola is opened, the cargo such as waste materials placed on the gondola is automatically discharged from the bottom of the gondola and transferred to the carrier platform or other container of the transport vehicle received below. Accordingly, the discharging operation from the gondola is automatic, and the discharging operation from the gondola or the transfer to the loading platform of the transport vehicle can be performed sufficiently easily, simply and quickly.
On the other hand, when the gondola is lowered to the descent stop position and the operation of the lifting drive means is started, the hanging part starts to rise. However, this rise is still a rise in the play section, and the gondola remains stopped. When the hanging part rises in the play section, the link arm connected to the hanging part is raised, and the bottom plate is rotated from the bottom open position of the gondola to the bottom closed position by the rise of the link arm. And after that, the whole gondola is lifted with the suspension.
Prior to the gondola ascent, the gondola bottom plate is automatically returned to the bottom closed position by the lift drive means. Therefore, the bottom of the gondola can be surely closed without annoying human hands and in a timely manner.
Therefore, according to the unloading apparatus of the first aspect, the opening and closing of the bottom plate and the raising and lowering of the gondola can be performed by one lifting drive means, and the unloading and unloading from a high place can be performed with a smaller number of people. Simple, easy to do.

In particular, according to the unloading device according to claim 1, the connection between the hanging Ri lowering unit and the gondola, the vertical direction is provided on the frame constituting the gondola connecting pins provided in the hanging portion relative to the elongated hole It is configured by loosely fitting, and the connection between the suspension part and the link arm is configured by connecting the link arm to the connection pin, so the suspension part is attached to the elongated hole provided in the frame of the gondola By loosely fitting the connecting pin on the side, it is possible to actually and easily connect the gondola and the hanging portion with a play section.
Further, by connecting the link arm to the connecting pin provided in the hanging part, it is possible to actually and easily follow the link arm in a state linked to the operation of the hanging part. And, the three-part connection structure of the hanging part, the gondola and the link arm can be effectively configured in a sufficiently simplified state through the long hole and the connection pin loosely fitted therein, It is possible to smoothly and reliably perform a series of linked operations of the lifting operation with play and the opening / closing operation of the bottom plate without complicating the entire structure.

According to the unloading device of the second aspect , in addition to the effect of the configuration according to the first aspect , the pair of vertical frames arranged on both sides in the width direction of the gondola from both sides of the hanging portion. The suspension of the gondola can be stabilized by suspending the gondola with a pair of hanging connecting rods. In particular, a pair of vertical frames of the gondola is used as a cylindrical frame, and a pair of hanging connecting rods of the hanging part is inserted into the cylindrical frame, so that the contact distance between the two becomes longer and the gondola is more stable. Can be hung.
In addition, the connection between the suspension part and the gondola is made by inserting a pair of connection rods of the suspension part into the pair of vertical frames as the cylindrical frame, and in that state, the connection provided on the connection rod This is achieved by providing a pin on the vertical frame and loosely fitting it in the slot. Therefore, it is possible to establish a loose fitting relationship between the pair of connecting rods of the hanging portion that are coaxially inserted in the cylinders of the pair of vertical frames. For this reason, both loose fitting structures can be made very simple and reliable.
Further, the link arm connected to the connection pin is connected to the connection pin on the base end side, and connected to both side portions of the bottom plate on the distal end side so that the bottom plate can be rotated around the pivot axis. Since it is configured, the pivoting operation of the bottom plate by the link arm can be performed with good balance from both sides of the bottom plate, and can be shifted to the bottom closing position and the bottom opening position by a smooth and stable pivoting operation.
In particular, by the operation of the suspending section that moves the gondola up and down, the bottom plate of the gondola can also be rotated through the connecting pin and the link arm. Therefore, it is possible to perform the pivoting operation of the bottom plate in accordance with the raising and lowering operation of the gondola automatically and in a very simplified cooperative operation.

According to the unloading apparatus according to claim 3 , since the guide rails provided on both sides of the gondola are used to guide the raising and lowering of the gondola, the raising and lowering of the gondola can be smoothly performed without shaking along the guide rail. It can be carried out. Further, since the stop positioning member for stopping the lowering of the gondola is provided on the guide rail, the gondola that has been lowered along the guide rail can be stopped at a desired lowering stop position. Also, since the time to stop the gondola descent and the operation stop time of the lift drive device can be shifted from each other, the hanging tool can be allowed to descend even after the gondola stops. The opening operation of the bottom plate of the gondola after reaching the position can be performed automatically without any difficulty with a very simple configuration.
Of course, by changing the gondola descent stop position by the stop positioning member, the gondola descent stop position can be set according to the situation such as the height of the vehicle that receives the luggage discharged from the gondola.

According to the unloading apparatus of the fourth aspect , in addition to the effect of the structure according to any one of the first to third aspects, the lifting and lowering of the suspension part by the lifting and lowering driving means is performed at a speed in the play section. Since it is configured to be slower than the speed outside the section, when opening or closing the bottom plate of the gondola, the bottom plate can be rotated slowly and safely, ensuring reliable and safe High bottom plate operation can be ensured. The gondola can be raised and lowered faster by increasing the speed in the play section, that is, the section where the bottom plate of the gondola is opened and closed.

It is a perspective view of the unloading apparatus which concerns on embodiment of this invention, and the case where the gondola exists in a raise position is shown. It is a front view of the lowering apparatus which concerns on embodiment of this invention, and the case where the gondola exists in a raise position is shown. It is a perspective view of the unloading apparatus which concerns on embodiment of this invention, and the case where it exists in the descent | fall stop position which the gondola descend | falls is shown. It is a front view of the lowering apparatus which concerns on embodiment of this invention, and the case where the gondola falls and exists in a descent stop position is shown. It is a perspective view explaining operation | movement of the unloading apparatus which concerns on embodiment of this invention, and shows the state which a bottom plate is still in the bottom closing position of a gondola in the initial state which the gondola descended to the descent stop position and stopped . It is a perspective view explaining operation | movement of the unloading apparatus which concerns on embodiment of this invention, and shows the state which a bottom plate opens and is in the bottom open position of a gondola in the latter state where the gondola descended to the descent stop position and stopped Yes.

  With reference to the following drawings, an unloading apparatus according to the present invention will be described for the understanding of the present invention. However, the following description does not limit the invention described in the claims of the present invention.

  First, referring to FIGS. 1 to 4, an unloading apparatus according to the present invention includes a gondola 10, a suspending section 20 that suspends the gondola 10, and an elevator that lifts the gondola 10 through the suspending section 20. And a drive rail 30, and further includes a guide rail 40 that guides the raising and lowering of the gondola 10, and an operation controller 50 that controls the operation of the elevator drive unit 30.

The gondola 10 accommodates luggage such as waste materials, is lowered from a high place on the upper floor of a building or the like to the ground, and after being lowered, is raised again to a high place where waste such as waste is generated. .
The shape of the gondola 10 is not necessarily limited as long as it has a shape necessary to accommodate the luggage, but the desired luggage accommodation using the frame 11, the wire mesh 12, a plate material, and other components. It can be configured as possible. Here, “accommodating” is a concept that includes placing a load.
The gondola 10 shown in the present embodiment is provided with a wire mesh 12 on the front side or the side surface thereof, so that cargo such as waste material does not easily fall from the front side of the gondola 10 during its lowering. it can. Further, the inside luggage can be seen from the outside through the wire mesh 12. In addition, as shown in FIG. 3, the attachment of the wire mesh 12 on the front surface of the gondola 10 jumps upward when pushed by the load with the upper portion as a pivot so as not to disturb the discharge when the load is discharged from the gondola 10. Can be. Of course, the wire mesh 12 may instead be a plate without mesh.
The back side of the gondola is open so that luggage can be easily placed on the gondola 10. Of course, in the open state on the back side, drop prevention means such as a fall prevention fence may be provided so as to be openable and closable, for example, so that it is properly closed after the load is placed. Further, the upper surface side of the gondola 10 is preferably configured in an open state so that it is easy to put a load, but in this embodiment, the frames 11 are appropriately distributed and arranged from the viewpoint of strength and the like.

The gondola 10 is provided with a bottom plate 13. On the bottom plate 13, luggage such as waste material carried into the gondola 10 is placed.
In the present invention, the movement of the bottom plate 13 is devised so that the baggage can be quickly discharged when the baggage is discharged from the gondola 10 after the baggage is lowered from a high place.
The bottom plate 13 is pivotally supported as a part of the gondola 10, and can be rotated between a bottom closing position for closing the bottom of the gondola 10 and a bottom opening position for opening the bottom of the gondola 10. It is configured to be able to. Then, when the gondola 10 is lowered to a predetermined position and stopped, the bottom of the gondola 10 is automatically opened so that the cargo such as waste materials can be discharged quickly and smoothly.
The bottom plate 13 is also provided on the back side of the gondola 10 so as to extend the area thereof so as to fill a gap between the gondola 10 and a wall surface of a building or the like. An extension 13a of the bottom plate 13 to the back side of the gondola 10 may be configured to be extendable and adjustable so that the extension of the extension 13a can be adjusted.

The gondola 10 has main frames 14 and 14 formed of a pair of vertical frames on both sides in the width direction.
The bottom plate 13 is pivotally supported by the pair of main frames 14, 14 at opposite side positions in the width direction. Accordingly, the bottom plate 13 is configured to be rotatable around the pivot shaft, with a line connecting the pair of pivot supports 13b and 13b as a pivot shaft.
The bottom plate 13 is rotated when the bottom plate 13 takes a bottom closing position for closing the bottom of the gondola 10 when the bottom plate 13 is in a substantially horizontal position, and the bottom plate 13 is inclined obliquely downward at a certain inclination angle. The gondola 10 has a bottom open position, and is rotatable between the bottom closed position and the bottom open position.
The angle of inclination of the bottom plate 13 at the bottom open position can be set in advance.

The gondola 10 is configured to be suspended from the suspension portion 20 using the pair of main frames 14 and 14.
The suspending portion 20 is a pair of chains 21 wound or fed by the lifting / lowering drive means 30, a balance bar 22 attached to the lower end of the chain 21, and a pair suspended from both ends of the balance bar 22. Connecting rods 23 and 23. The chain 21 may be a wire and may be a string having a high strength.
The balance bar 22 is arranged so as to have a horizontal posture. The length of the balance bar 22 is configured to be slightly longer than the width of the gondola 10, and the pair of connecting rods 23 that hang from both ends are inserted into the pair of main frames 14, 14 of the gondola 10 so as to be able to move forward and backward. It is configured to be fitted. In this manner, the gondola 10 is configured to be suspended in a horizontally balanced state using the balance bar 22 and the pair of connecting rods 23.
The connecting rod 23 is inserted into the cylinder from the upper end of the main frame 14 configured as a cylindrical frame. As a matter of course, the insertion state of the connecting rod 23 and the main frame 14 is such that the connecting rod 23 and the main frame 14 are kept in the inserted and inserted state, and can smoothly move relative to each other without rattling. It is configured.
Reference numeral 24 denotes a cushion spring that alleviates the collision between the balance bar 22 and the frame 11 of the gondola 10.

5 and 6, the suspension part 20 and the gondola 10 are connected to each other with a certain play section. That is, the connecting rod 23 and the main frame 14 are connected to each other with a certain play section. In the play section, only the hanging portion 20 can move with respect to the gondola 10.
In order to constitute the play section, the pair of main frames 14 and 14 of the gondola 10 are provided with longitudinal slots 15 and 15, respectively. The pair of long holes 15 and 15 have the same shape and have the same vertical length. The pair of long holes 15 and 15 are disposed at the same position of the pair of main frames 14 and 14.
On the other hand, each of the pair of connecting rods 23 is provided with a connecting pin 25, and the connecting pin 25 is loosely fitted in the elongated hole 15 of the main frame 14. The connecting pin 25 may be provided in a fixed state with respect to the connecting rod 23, or may be provided in a state where the connecting pin 25 is pivotally supported by the connecting rod 23. Of course, the connecting pin 25 may protrude from the connecting rod 23 and may be configured as an integral unit. Actually, the connecting pin 25 is provided so as to protrude in a direction perpendicular to the axial direction of the connecting rod 23, and the connecting pin 25 penetrates the long hole 15 of the main frame 14, 14 in the right angle direction, The frame 14 is configured to protrude from both sides.
Since the connecting pin 25 is loosely fitted into the elongated hole 15, the connecting pin 25 can move in the longitudinal direction in the elongated hole 15. As a result, the connecting rod 23 and the main frame 14 can move relative to each other in a play section corresponding to the longitudinal length of the elongated hole 15.
Therefore, while the connecting pin 25 is moving in the elongated hole 15, even if the hanging part 20 is raised or lowered by the raising / lowering driving means 30, the gondola 10 does not rise or fall together. . After the connecting pin 25 moves to the upper end of the long hole 15 and cannot move any more, the gondola 10 rises together with the lifting of the hanging part 20.

A separate link arm 16 is connected to the connecting pin 25.
The link arm 16 is for rotating the bottom plate 13 of the gondola 10 and rotates the bottom plate 13 between the bottom closed position and the bottom open position of the gondola 10.
The pair of link arms 16 are connected to the pair of connecting pins 25 protruding from the elongated hole 15 on the proximal end side in a state where they are pivotally supported 16a, and on the distal end side. The bottom plate 13 is connected to both side portions in a state of being pivotally supported 16b.
When the connecting pin 25 moves upward in the elongated hole 15, the proximal end side of the link arm 16 is pulled upward. Then, the link arm 16 pulls and rotates the bottom plate 13 through the pivot 16b on the tip side. The direction of rotation at this time is the direction in which the bottom plate 13 closes the bottom of the gondola 10. That is, the bottom plate 13 is configured to rotate around the pivots 13b and 13b in the direction in which the bottom of the gondola 10 is closed as the connecting pin 25 moves up in the elongated hole 15.
On the other hand, when the connecting pin 25 moves downward in the long hole 15, the bottom plate 13 rotates the gondola 10 around the pivots 13 b and 13 b through the link arm 16. The rotating direction at this time is a direction in which the bottom of the gondola 10 opens. When the movement of the connecting pin 25 is stopped, the rotation of the bottom plate 13 is also stopped via the link arm 16.

  In the present embodiment, the shape of the link arm 16 is substantially L-shaped with a vertical arm and a horizontal arm. However, it is not always necessary to have such an L shape. It is also possible to comprise an arm that linearly connects between the pivots 16a and 16b. However, by making it L-shaped, the link arm 16 can be attached in a state along the direction of the long hole 15 and the direction of the bottom plate 13, and in particular, the link arm 16 can move in association with the vertical movement of the connecting pin 25. It can be carried out smoothly without hindrance, and a smooth rotation of the bottom plate 13 can be ensured.

In short, the lifting / lowering drive means 30 lifts and lowers the suspension part 20 by winding or unwinding the chain 21 of the suspension part 20. The lifting drive means 30 can be an electric hoist, for example.
The raising / lowering drive means 30 can be hung and arranged on the ceiling bar 41 passed over the pair of guide rails 40.
Of course, the elevating drive means 30 is a combination of a pulley suspended from the ceiling bar 41 and a winder that winds or unwinds the chain 21 of the suspension portion 20 via the pulley instead of the hoist. It may be. In other words, what is necessary is just to be able to raise and lower the suspension part 20 via the chain 21.
Further, the ceiling bar 41 does not have to be passed to the guide rail 40, and may be any one that is fixed so that the elevating drive means 30 can be suspended.

The guide rail 40 guides the gondola 10 to move up and down smoothly.
A pair of the gondola 10 are erected on both sides in the width direction. The guide rail 40 is erected along the outer wall of a building to be demolished, for example.
A sliding metal fitting 42 is slidably fitted to the guide rail 40 and is attached to the main frame 14 of the gondola 10. The sliding fitting 42 is provided with wheels, and the sliding fitting 42 can smoothly move on the guide rail 40 by the wheels.
The gondola 10 connected to the guide rail 40 via the sliding metal fitting 42 is suspended on the suspension part 20 by the lifting drive means 30 on the track defined by the pair of guide rails 40, 40. Go up and down.

3 and 4, a stop positioning member 43 is attached to the guide rail 40. The stop positioning member 43 is a member that determines a descent stop position of the gondola 10, that is, a position where the gondola 10 descends and stops. When a part of the gondola 10 comes into contact with the stop positioning member 43 from above, the further lowering of the gondola 10 is stopped and stopped at that position.
In this embodiment, a part of the gondola 10 that comes into contact with the stop positioning member 43 serves as a lower end portion 14a of a pair of main frames 14 constituting the gondola 10, as shown in FIGS. Of course, the lowering of the gondola 10 may be stopped by another portion of the gondola 10 coming into contact with the stop positioning member 43.
The lowering of the gondola 10 by the stop positioning member 43 is different from the lowering of the suspension part 20 being stopped by stopping the operation of the elevating drive means 30. The descent of the suspension part 20 is stopped by stopping the operation of the elevating drive means 30 after the gondola 10 is stopped at the descent stop position by the stop positioning member 43 and then the bottom plate 13 of the gondola 10 is at a predetermined bottom open position. It is after turning to.

The operation control means 50 controls the operation of the lifting / lowering driving means 30, and starts and stops the lifting of the hanging part 20 by the lifting / lowering driving means 30 and starts and stops the lowering of the hanging part 20. Furthermore, the ascending speed and the descending speed of the hanging part 20 can be changed.
The operation control means 50 includes a remote controller 51, and an operator can freely operate the remote controller 51 to raise, stop, lower, and stop the suspension unit 20.

The stop of the lowering of the suspension part 20 by the operation control means 50 is performed after the gondola 10 is stopped at the lowering stop position by the stop positioning member 43 and then the play section of the elongated hole 15 is further connected to the connecting pin 25 and the link arm. When the bottom plate 13 is lowered, the bottom plate 13 is rotated to a predetermined bottom opening position where the bottom of the gondola 10 is opened and stopped, and then automatically stopped immediately. This automatic stop can be performed using the first sensor 52 that detects that the bottom plate 13 has reached a predetermined bottom opening position.
The bottom plate 13 is rotated to a predetermined bottom opening position and stopped when the connecting pin 25 reaches the lower end of the long hole 15. Therefore, by arranging the first sensor 52 so that the position of the connecting pin 25 can be detected, it is possible to detect that the bottom plate 13 has reached the bottom open position.
The first sensor 52 may be arranged and configured to detect the posture of the bottom plate 13 or the posture of the link arm 16 in a state where the bottom plate 13 is stopped at the bottom open position.
When the first sensor 52 detects that the bottom plate 13 has reached the bottom open position while the suspension part 20 is being lowered, the operation control means 50 stops the operation of the lifting drive means 30 and the suspension part 20 is lowered. Stop and hold in that position.

The suspension of the suspension unit 20 by the operation control means 50 is stopped immediately when the gondola 10 is raised to a predetermined upper floor or a predetermined height on which a load is to be loaded by the elevation of the suspension unit 20. It can be configured to automatically stop. This automatic stop can be performed using the second sensor 53 that detects that the gondola 10 has been raised to a predetermined height.
The second sensor 53 can be arranged and configured to detect a state where the gondola 10 has reached a height position at which a load should be loaded. When the height position at which loads such as waste materials are loaded is changed as the building is demolished, the arrangement of the second sensor 53 is changed accordingly.
When the second sensor 53 detects that the gondola 10 has been raised to a predetermined load loading position while the hanging part 20 is being lifted, the operation control means 50 stops the operation of the lifting drive means 30. As a result, the ascending of the hanging part 20 and the gondola 10 is stopped and is held in that position.

The speed of the suspending portion 20 via the lifting drive means 30 by the operation control means 50 is such that the suspending portion 20 is connected to the gondola 10 while the connecting pin 25 is moving in the elongated hole 15. While moving in the play section, the speed is automatically set lower than the speed in the other sections. Accordingly, the gondola 10 can be moved up and down quickly and the bottom plate 13 can be rotated slowly.
More specifically, when the gondola 10 is in a stopped state at the height position where the gondola 10 loads a load, the operation control means 50 is predetermined when the descent operation of the suspension unit 20 is started via the elevating drive means 30. The descent of the hanging part 20 is started at the first speed. When the descent of the suspension part 20 is started, the gondola 10 also descends with the suspension part 20 at the first speed. However, when the gondola 10 descends to the descent stop position, the descent is stopped by the stop positioning member 43. When the lowering of the gondola 10 is stopped at the lowering stop position, the operation control means 50 reduces the lowering speed of the suspension part 20 to the second speed via the lifting drive means 30. Then, the connecting pin 25 starts to descend from the upper end of the elongated hole 15 as the suspended portion 20 descends at the reduced second speed. Accordingly, the bottom plate 13 starts to rotate slowly from the bottom closing position of the gondola 10 to the bottom opening position. The rotation of the bottom plate 13 stops when the connecting pin 25 reaches the lower end of the elongated hole 15. This stop position is the bottom open position of the gondola 10 by the bottom plate 13.
When the first sensor 52 detects that the bottom plate 13 has reached the bottom open position, the operation control means 50 stops the operation of the elevating drive means 30. As a result, the suspension part 20 stops descending and is held in that position.

On the other hand, when the gondola 10 is stopped at the descent stop position and the bottom plate of the gondola 10 is stopped at the bottom open position, the operation control means 50 starts the ascending operation of the suspension part 20 via the elevating drive means 30. When doing so, the operation control means 50 starts raising the suspension part 20 at a predetermined second speed. When the lifting of the hanging part 20 is started, the connecting pin 25 rises from the lower end of the long hole 15 at the second speed. As the connecting pin 25 rises, the bottom plate 13 starts to rotate slowly from the bottom open position of the gondola 10 to the bottom closed position. The rotation of the bottom plate 13 stops when the connecting pin 25 reaches the upper end of the elongated hole 15. This stop position is the bottom closing position of the gondola 10 by the bottom plate 13.
When the first sensor 52 detects that the bottom plate 13 has reached the bottom closing position, the operation control means 50 changes the ascending speed of the suspension part 20 to the first speed via the elevating drive means 30. As a result, the gondola 10 starts to rise at the first speed together with the suspension part 20. When the second sensor 53 detects that the gondola 10 has been raised to the predetermined load loading position, the operation control means 50 stops the operation of the elevating drive means 30, stops the lifting of the suspension part 20 and the gondola 10, and Hold in position.

The automatic change of the raising / lowering speed of the suspension part 20 via the raising / lowering drive means 30 by the operation control means 50 can be obtained using the third sensor 54.
For example, when the gondola 10 is stopped at the lowering stop position by the stop positioning member 43, the connecting pin 25 is connected to the upper end of the elongated hole 15 of the gondola 10. It can be determined by detecting whether or not there is the third sensor 54. If there is a connecting pin 25 at the upper end of the long hole 15 of the gondola 10 at the descent stop position, the position of the connecting pin 25 is determined in three dimensions as a condition position. What is necessary is just to arrange the 3rd sensor 54 so that it may detect.
When the operation control means 50 raises the suspension part 10, the third sensor 54 detects the connecting pin 25 at the above-mentioned condition position, that is, the upper end position of the long hole 15 of the gondola 10 at the descent stop position. Then, the lifting / lowering speed of the suspension part 20 is increased from the second speed to the first speed via the lifting / lowering driving means 30. Thereby, the gondola 10 can be quickly raised. A slight time lag can be provided from the detection by the third sensor 54 to the speed change.
When the third sensor 54 detects the connecting pin 25 at the above-mentioned condition position, that is, the upper end position of the long hole 15 of the gondola 10 at the lowering stop position, when the operation control means 50 lowers the hanging part 10. Then, the lowering speed of the suspending unit 10 is decreased from the first speed to the second speed via the lifting drive means 30. Thereby, the rotation operation of the bottom plate 13 of the gondola 10 can be performed slowly, and safety such as work can be achieved.
It should be noted that the first speed and the second speed for raising the hanging part 10 and the first speed and the second speed for lowering the corresponding hanging part 10 may not be the same speed.

The position and the longitudinal length of the long hole 15 correspond to the posture and rotation amount of the bottom plate 13 on a one-to-one basis. When the connecting pin 25 is at the upper end position of the long hole 15, the positions of the long hole 15, the bottom plate 13, the link arm 16, and the like so that the bottom plate 13 closes the bottom of the gondola 10, that is, the bottom closed position. When the pivot positions of the pivots 13b, 16a, and 16b are determined and the connecting pin 25 is at the lower end position of the elongated hole 15, the bottom plate 13 is in a position where the bottom of the gondola 10 is properly opened, that is, the bottom open position. The positions of the long hole 15, the bottom plate 13, and the link arm 16 and the pivot positions of the pivots 13b, 16a, and 16b are determined so as to be positioned exactly.
The bottom opening position of the bottom plate 13 is a case where it is preferable that the bottom plate 13 is in an appropriate inclined state than the bottom plate 13 is opened in the vertical direction in consideration of a case where a load is transferred to a loading platform such as a vehicle. There is. That is, instead of dropping and discharging the cargo, the cargo is discharged in an oblique direction while being guided by the bottom plate 13 from below, so that it can be smoothly transferred to a loading platform such as a truck without impact. In the present invention, the bottom plate 13 is pivotally supported 13b so that the bottom plate 13 can be tilted and opened.
In addition, in order to be able to change and adjust the inclination angle of the bottom plate 13 at the bottom open position to an appropriate one according to the situation at the time of work, the elongated hole 15 has a movable range of the connecting pin 25 loosely fitted thereto. It is preferable to configure so that it can be changed and adjusted.

An operation or operation of the unloading apparatus having the above configuration will be described.
When a load is loaded on the gondola 10 which is stopped at a predetermined height for loading loads such as waste materials, a descent command is issued via the remote controller 51 by the operator. 50 causes the chain 21 to be fed out at a predetermined first speed via the lifting drive means 30 to lower the gondola 10 hung on the hanging portion 20 at the first speed.
When the gondola 10 descends downward to reach the descent stop position, the gondola 10 is stopped by the stop positioning member 43.
When the gondola 10 reaches the descent stop position and stops, the suspending unit 20 continues to descend. At this time, the third sensor 54 detects that the gondola 10 has reached the descent stop position from the position of the connecting pin 25 and inputs the information to the operation control means 50. Receiving information from the third sensor 54, the operation control means 50 reduces the lowering speed of the suspension part 20 from the first speed to the second speed via the lifting drive means 30.
When the gondola 10 stops, the connecting pin 25 loosely fitted in the upper end position of the elongated hole 15 starts to descend at the second reduced speed, and accordingly, the bottom plate 13 rotates via the link arm 16. Start moving.
When the connecting pin 25 reaches the lower end of the long hole 15, the lowering of the connecting pin 25 is stopped, and the rotation of the bottom plate 13 is also stopped. The position of the bottom plate 13 where the rotation is stopped becomes the bottom open position of the gondola 10. At this time, the first sensor 52 detects that the bottom plate 13 has reached the bottom open position from the position of the connecting pin 25 and the like, and inputs the information to the operation control means 50. Receiving information from the first sensor 52, the operation control means 50 stops the descent of the suspension part 20 via the elevating drive means 30.
By opening the bottom plate 13 to the bottom open position, the cargo such as the waste material loaded on the gondola 10 is discharged.

When the cargo is discharged and the operator issues an ascending command via the remote controller 51, the operation control means 50 starts the winding of the chain 21 at a predetermined second speed via the elevating drive means 30. Then, the hanging part 20 is raised at the second speed.
Then, the connecting pin 25 located at the lower end position of the long hole 15 of the gondola 10 rises to the upper end position of the long hole 15 at the second speed. Further, the bottom plate 13 rotates from the bottom open position to the bottom close position via the link arm 16 linked to the connecting pin 25. As a result, the bottom of the gondola 10 is closed.
When the third sensor 54 detects that the gondola 10 is in the descending stop position and the bottom plate 13 is closed from the position of the connecting pin 25 or the like, the information is input to the operation control means 50. Receiving information from the third sensor 54, the operation control means 50 increases the ascent speed of the suspension part 20 from the second speed to the first speed via the elevation drive means 30. As a result, the gondola 10 rises at the first speed.
When the gondola 10 rises to a predetermined height position for loading a load while the gondola 10 is raised, the second sensor 53 detects it. As a result, the operation control means 50 stops the movement of the suspension part 20 via the elevating drive means 30. This stops the gondola 10 at that position.
In addition, a weight sensor can be provided in this apparatus, and the operation control means 50 can also be comprised so that a raising / lowering operation cannot be performed when a load more than a fixed weight is loaded in the gondola 10.

  The unloading device of the present invention can be used industrially as a device that can be conveniently used to unload waste materials and the like from a high place to the ground at the time of demolition of a building or the like and transfer them to a transport vehicle. it can.

DESCRIPTION OF SYMBOLS 10 Gondola 11 Frame 12 Wire mesh 13 Bottom plate 13a Extension part 13b Pivot 14 Main frame 14a Lower end part 15 Slot 16 Link arm 16a Pivot 16b Pivot 20 Suspension part 21 Chain 22 Balance bar 23 Connection rod 24 Cushion spring 25 Connection pin DESCRIPTION OF SYMBOLS 30 Lift drive means 40 Guide rail 41 Ceiling bar 42 Sliding metal fittings 43 Stop positioning member 50 Operation control means 51 Remote controller 52 1st sensor 53 2nd sensor 54 3rd sensor

Claims (4)

An unloading device used for unloading waste such as waste from a high place such as a building, comprising a gondola for accommodating the luggage, a suspension part for hanging the gondola, and the suspension part An elevating drive means for elevating and lowering the gondola, and the gondola is provided with a bottom plate pivotally supported, and for rotating the bottom plate around a pivot between a bottom closed position and a bottom open position. The link arm is provided, and the suspension part and the gondola are connected by loosely fitting a connection pin provided in the suspension part with respect to a longitudinal long hole provided in a frame constituting the gondola, The suspension part and the link arm are connected by connecting a link arm to the connection pin, whereby the suspension part is connected to the gondola with a certain play section in its ascending / descending direction. Then both It is also connected to the link arm, and when the gondola is raised, the bottom plate is rotated to the bottom closed position via the link arm while the hanging part is raised in the fixed play section, and then the entire gondola is raised. When the gondola is lowered, the entire gondola is lowered to the descent stop position, and then the bottom plate is pivoted to the bottom open position via the link arm while the hanging part descends the play section of the predetermined distance. An unloading device characterized by having a structure to be made. The frame provided with the elongated hole is a pair of vertical frames arranged on both sides in the width direction of the gondola, and the pair of vertical frames is a cylindrical frame, and the both sides of the suspension part with respect to the cylindrical frame A pair of connecting rods that hang down from the pair of connecting rods are inserted so as to be freely movable back and forth, and the connecting pins provided on the pair of connecting rods are loosely fitted into the elongated holes, and the link arms are paired with each other at the base end side. The load according to claim 1, wherein the load is connected to each connection pin and is connected to both side portions of the bottom plate at each tip side so that the bottom plate can be rotated around a pivot. Unloading device. The unloading apparatus according to claim 1 or 2, wherein guide rails for guiding the raising and lowering of the gondola are provided on both sides of the gondola, and a stop positioning member for determining a lowering stop position of the gondola is provided on the guide rail. . The unloading according to any one of claims 1 to 3, wherein the lifting and lowering of the suspension part by the lifting and lowering drive means is configured such that the speed in the play section is slower than the speed in other than the play section. apparatus.

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