Discharging device of concrete truck

By designing extensible and adjustable cutting guide plate and plug plate devices on concrete transport vehicles, the problems of cutting difficulties and speed control in narrow spaces are solved, work efficiency and safety are improved, and the need for manual collection of concrete is reduced.

CN222223066UActive Publication Date: 2024-12-24JILIN HUASHUO CONCRETE CO LTD
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Patent Information

Application Number
CN202420837471.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2024-12-24
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

It is difficult for concrete mixing trucks to unload in a narrow space, and the discharge speed cannot be controlled, resulting in concrete overflow and manual collection, reducing work efficiency.

Method used

A discharge device including a cutting guide plate, an expansion board, an expansion structure and a plug plate is designed. The threaded rod and screw rod are driven by a servo motor to achieve the extension and outlet adjustment of the cutting guide plate, the expansion board and plug plate. Expand and close, automatically control the discharge process.

Benefits of technology

Extend the discharge guide plate in a narrow space to avoid manual transport, improve work efficiency, and slow down the discharge speed by controlling the blocking plate, reduce the possibility of concrete overflow and save manpower.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a concrete transport vehicle unloading device which comprises a transport vehicle body, a discharging guide plate, an expansion plate, an expansion structure, a material blocking plate and an expansion structure, the discharging guide plate is arranged below a discharging port of the transport vehicle body, one end of the discharging guide plate is rotatably connected to one side of the transport vehicle body, and the expansion plate is clamped on the lower surface of the discharging guide plate. The inner walls of the two sides of the expansion plate are each provided with an expansion structure, a material blocking plate is arranged in the discharging guide plate, an expansion structure is arranged on one side of the material blocking plate, and one end of the material blocking plate is rotationally connected to the inner wall of the discharging guide plate. By arranging the expansion plate and the expansion structure, when the parking space is limited and the distance of the blanking guide plate is not enough, the threaded rod is in threaded connection with the threaded hole in the side surface of the connecting plate when rotating, and the connecting plate drives the expansion plate to unfold when sliding, so that the length of the blanking guide plate is increased, and blanking is facilitated; the expansion board can be reset by controlling the power output end of the first servo motor to rotate reversely, manual transfer is avoided, and the working efficiency is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of concrete mixer trucks, in particular to a concrete truck unloading device. Background Art

[0002] Concrete mixer trucks are special trucks used to transport concrete for construction. These trucks are equipped with a pear-shaped mixing drum to carry the mixed concrete. The mixing drum will always be kept rotating during the transportation process to ensure that the transported concrete will not solidify. After the concrete mixer truck delivers the concrete to the designated location, it needs to discharge the material;

[0003] When building a road, transport vehicles on the main road surface can pass through and unload materials. When building concrete floors in some narrow spaces, the transport vehicles are large in size, and the distance of the transport vehicle's own guide plates is limited, which limits the unloading distance. The guide plates cannot be extended to the construction surface, and the concrete needs to be unloaded to the ground for manual transfer, which reduces work efficiency. At the same time, the unloading speed can only be determined by the rotation speed of the transport vehicle, and the speed cannot be controlled by controlling the size of the unloading guide plate outlet. Some transfer trucks have a small volume. Even at the lowest speed, if the operator does not control it properly, it will still cause concrete to overflow from the truck bucket, and the overflowing concrete needs to be collected manually. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a concrete transport vehicle unloading device.

[0005] The unloading device of a concrete transport vehicle provided by the utility model comprises: a transport vehicle body, a material unloading guide plate, an expansion plate, an expansion structure, a blocking plate and an unfolding structure. A material unloading guide plate is arranged below the unloading port of the transport vehicle body, one end of the material unloading guide plate is rotatably connected to one side of the transport vehicle body, the expansion plate is clamped on the lower surface of the material unloading guide plate, and a group of expansion structures are arranged on the inner walls of both sides of the expansion plate. The expansion structure comprises a slide rail, a connecting plate, a threaded rod and a first servo motor, one side of the slide rail is fixedly connected to the outer surface of the material unloading guide plate, the outer surface of one end of the slide rail is provided with a through hole, a connecting plate is slidably arranged inside the slide rail, a threaded hole is provided on the side surface of the connecting plate, a threaded rod is arranged inside the threaded hole, one end of the threaded rod passes through the through hole on the outer surface of one end of the slide rail and extends to the outer surface of the slide rail, the threaded rod extends to one end of the outer surface of the slide rail and is provided with a first servo motor, a blocking plate is arranged inside the material unloading guide plate, and an unfolding structure is arranged on one side of the blocking plate, the unfolding structure comprises a sliding block, a screw rod, a transmission rod and a second servo motor, and one end of the blocking plate is rotatably connected to the inner wall of the material unloading guide plate.

[0006] Preferably, one side of the first servo motor is fixedly connected to the outer surface of the unloading guide plate, and the power output end of the first servo motor is fixedly connected to one end of the threaded rod extending to the outer surface of the slide rail.

[0007] Preferably, one end of the connecting plate passes through a slide rail and is fixedly connected to the inner wall of the expansion plate.

[0008] Preferably, a sliding groove is provided on the inner wall of the material discharge guide plate, and a sliding block is slidably arranged inside the sliding groove of the inner wall of the material discharge guide plate, a threaded hole is provided at one end of the sliding block, and a screw rod is arranged inside the threaded hole at one end of the sliding block, one end of the screw rod is rotatably connected to the inner wall of the sliding groove of the inner wall of the material discharge guide plate, and a second servo motor is arranged at the other end of the screw rod, one side of the second servo motor is fixedly connected to the inner wall of the sliding groove of the inner wall of the material discharge guide plate, and the power output end of the second servo motor is fixedly connected to one end of the screw rod close to the second servo motor.

[0009] Preferably, a slot is provided on one side of the sliding block, and a slot is also provided on one side of the blocking plate.

[0010] Preferably, through holes are provided on the upper surfaces of both ends of the transmission rod, and connecting rods are rotatably arranged inside the through holes on the upper surfaces of both ends of the transmission rod. The two ends of the connecting rod inside the through hole on the upper surface of one end of the transmission rod are fixedly connected to the inner wall of the groove on one side of the sliding block, and the two ends of the connecting rod inside the through hole on the upper surface of the other end of the transmission rod are fixedly connected to the inner wall of the groove on one side.

[0011] Compared with the related art, the concrete transport vehicle unloading device provided by the utility model has the following beneficial effects:

[0012] By providing an extension plate and an extension structure, when the parking space is limited and the distance of the material unloading guide plate is insufficient, the operator starts the first servo motor, and the rotation of the power output end of the first servo motor drives the threaded rod to rotate inside the through hole on the outer surface of one end of the slide rail, and when the threaded rod rotates, it is threadedly connected with the threaded hole on the side surface of the connecting plate, so that the connecting plate slides along the slide rail, and when the connecting plate slides, it drives the extension plate to unfold, thereby extending the length of the material unloading guide plate and facilitating material unloading. The extension plate can be reset by controlling the reversal of the power output end of the first servo motor, thereby avoiding manual transfer and improving work efficiency.

[0013] By providing a blocking plate and an unfolding structure, if the material unloading speed is too fast, the operator starts the second servo motor, and the rotation of the power output end of the second servo motor drives the screw rod to rotate. When the screw rod rotates, it is threadedly connected to the threaded hole at one end of the sliding block, so that the sliding block slides along the inner wall groove of the material unloading guide plate. When the sliding block slides, it drives the transmission rod to push the blocking plate to unfold, thereby reducing the outlet of the material unloading guide plate and slowing down the material unloading speed. If the material unloading speed is to be increased, it is only necessary to control the reversal of the power output end of the second servo motor, which effectively improves the control of the material unloading speed, reduces the possibility of concrete overflowing from the truck bucket, and effectively saves manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A structural schematic diagram of a preferred embodiment of the concrete transport vehicle unloading device provided by the utility model;

[0015] Figure 2 It is a schematic diagram of the exploded structure of the material cutting guide plate, the expansion plate and the expansion structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the exploded structure of the material feed guide plate, the material blocking plate and the unfolding structure of the utility model;

[0017] Figure 4 For the utility model Figure 3 Schematic diagram of the enlarged structure at point A in the middle.

[0018] Numbers in the figure: 1. Transport vehicle body; 2. Unloading guide plate; 3. Extension plate; 4. Extension structure; 5. Slide rail; 6. Connecting plate; 7. Threaded rod; 8. First servo motor; 9. Blocking plate; 10. Unfolding structure; 11. Sliding block; 12. Screw rod; 13. Transmission rod; 14. Second servo motor; 15. Connecting rod. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 ,in, Figure 1 A structural schematic diagram of a preferred embodiment of the concrete transport vehicle unloading device provided by the utility model; Figure 2 It is a schematic diagram of the exploded structure of the material cutting guide plate, the expansion plate and the expansion structure of the utility model; Figure 3 It is a schematic diagram of the exploded structure of the material feed guide plate, the material blocking plate and the unfolding structure of the utility model; Figure 4 For the utility model Figure 3The enlarged structural diagram at A in the middle. It includes: a transport vehicle body 1, a material discharge guide plate 2, an expansion plate 3, an expansion structure 4, a blocking plate 9 and an unfolding structure 10. A material discharge guide plate 2 is arranged below the material discharge port of the transport vehicle body 1. One end of the material discharge guide plate 2 is rotatably connected to one side of the transport vehicle body. An expansion plate 3 is engaged with the lower surface of the material discharge guide plate 2. A group of expansion structures 4 are arranged on the inner walls on both sides of the expansion plate 3. The expansion structure 4 is convenient for driving the expansion plate 3 to unfold. The expansion structure 4 includes a slide rail 5, a connecting plate 6, a threaded rod 7 and a first servo motor 8. One side of the slide rail 5 is fixedly connected to the outer surface of the material discharge guide plate 2. A through hole is opened on the outer surface of one end of the slide rail 5. A connecting plate 6 is slidably arranged inside the slide rail 5. A threaded hole is provided on the side surface of the connecting plate 6, and a threaded rod 7 is arranged inside the threaded hole. One end of the threaded rod 7 passes through the through hole on the outer surface of one end of the slide rail 5 and extends to the outer surface of the slide rail 5. A first servo motor 8 is arranged at one end of the threaded rod 7 extending to the outer surface of the slide rail 5. A blocking plate 9 is provided inside the unloading guide plate 2, and an unfolding structure 10 is provided on one side of the blocking plate 9. The unfolding structure 10 includes a sliding block 11, a screw rod 12, a transmission rod 13 and a second servo motor 14. One end of the blocking plate 9 is rotatably connected to the inner wall of the unloading guide plate 2. The unfolding structure 10 facilitates the unfolding of the blocking plate 9, and the blocking plate 9 facilitates the outlet size of the cover plate unloading guide plate 2 to control the unloading speed.

[0021] In the specific implementation process, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, one side of the first servo motor 8 is fixedly connected to the outer surface of the unloading guide plate 2, the power output end of the first servo motor 8 is fixedly connected to the threaded rod 7 extending to one end of the outer surface of the slide rail 5, the first servo motor 8 is electrically connected to the external power supply, and the first servo motor 8 is started. The power output end of the first servo motor 8 rotates, driving the threaded rod 7 to rotate inside the through hole on the outer surface of one end of the slide rail 5.

[0022] Among them, one end of the connecting plate 6 passes through the slide rail 5 and is fixedly connected to the inner wall of the expansion plate 3. When the connecting plate 6 moves, it can drive the expansion plate 3 to unfold.

[0023] Among them, a sliding groove is provided on the inner wall of the blanking guide plate 2, and the sliding block 11 is slidably arranged inside the sliding groove of the inner wall of the blanking guide plate 2. A threaded hole is provided at one end of the sliding block 11, and a screw rod 12 is arranged inside the threaded hole at one end of the sliding block 11. One end of the screw rod 12 is rotatably connected to the inner wall of the sliding groove on the inner wall of the blanking guide plate 2, and a second servo motor 14 is provided at the other end of the screw rod 12. One side of the second servo motor 14 is fixedly connected to the inner wall of the sliding groove on the inner wall of the blanking guide plate 2, and the power output end of the second servo motor 14 is fixedly connected to one end of the screw rod 12 close to the second servo motor 14. The second servo motor 14 is electrically connected to an external power supply, and the second servo motor 14 is started. The power output end of the second servo motor 14 rotates to drive the screw rod 12 to rotate. When the screw rod 12 rotates, it is threadedly connected to the threaded hole at one end of the sliding block 11, so that the sliding block 11 slides along the sliding groove on the inner wall of the blanking guide plate 2.

[0024] Among them, a card slot is opened on one side of the sliding block 11, and a card slot is also opened on one side of the blocking plate 9. The card slots on one side of the sliding block 11 and the blocking plate 9 facilitate the installation structure. When the blocking plate 9 is retracted, the inner wall slide groove of the unloading guide plate 2 is sealed.

[0025] Among them, through holes are opened on the upper surfaces of both ends of the transmission rod 13, and connecting rods 15 are rotatably arranged inside the through holes on the upper surfaces of both ends of the transmission rod 13. The two ends of the connecting rod 15 inside the through hole on the upper surface of one end of the transmission rod 13 are fixedly connected to the inner wall of the slot on one side of the sliding block 11, and the two ends of the connecting rod 15 inside the through hole on the upper surface of the other end of the transmission rod 13 are fixedly connected to the inner wall of the slot on one side. The transmission rod 13 is rotatably connected to the sliding block 11 and the blocking plate 9 respectively through the connecting rods 15 on the inner walls of the through holes on the upper surfaces of both ends. When the sliding block 11 slides, it drives the transmission rod 13 to push the blocking plate 9 to expand, thereby reducing the outlet of the unloading guide plate 2.

[0026] The working principle of the utility model is as follows: when the parking space is limited and the distance of the material unloading guide plate 2 is not enough, the operator starts the first servo motor 8, and the power output end of the first servo motor 8 rotates to drive the threaded rod 7 to rotate inside the through hole on the outer surface of one end of the slide rail 5, and when the threaded rod 7 rotates, it is threadedly connected with the threaded hole on the side surface of the connecting plate 6, so that the connecting plate 6 slides along the slide rail 5, and when the connecting plate 6 slides, it drives the expansion plate 3 to expand, extending the length of the material unloading guide plate 2, which is convenient for unloading, and the power output end of the first servo motor 8 can be controlled to reverse. The expansion plate 3 is reset. At the same time, if the material discharge speed is too fast, the operator starts the second servo motor 14. The power output end of the second servo motor 14 rotates to drive the screw rod 12 to rotate. When the screw rod 12 rotates, it is threadedly connected with the threaded hole at one end of the sliding block 11, so that the sliding block 11 slides along the inner wall groove of the material discharge guide plate 2. When the sliding block 11 slides, it drives the transmission rod 13 to push the blocking plate 9 to expand, reducing the outlet of the material discharge guide plate 2 and slowing down the material discharge speed. If the material discharge speed is to be increased, it is only necessary to control the power output end of the second servo motor 14 to reverse.

[0027] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0028] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A concrete transport vehicle unloading device, comprising: A transport vehicle body (1), a material discharge guide plate (2), an expansion plate (3), an expansion structure (4), a blocking plate (9) and an unfolding structure (10), characterized in that a material discharge guide plate (2) is arranged below the material discharge port of the transport vehicle body (1), one end of the material discharge guide plate (2) is rotatably connected to one side of the transport vehicle body, an expansion plate (3) is engaged with the lower surface of the material discharge guide plate (2), and a group of expansion structures (4) are arranged on the inner walls of both sides of the expansion plate (3), and the expansion structure (4) includes a slide rail (5), a connecting plate (6), a threaded rod (7) and a first servo motor (8), one side of the slide rail (5) is fixedly connected to the outer surface of the material discharge guide plate (2), and a through hole is opened on the outer surface of one end of the slide rail (5) A connecting plate (6) is slidably arranged inside the slide rail (5), a threaded hole is provided on the side surface of the connecting plate (6), a threaded rod (7) is arranged inside the threaded hole, one end of the threaded rod (7) passes through a through hole on the outer surface of one end of the slide rail (5) and extends to the outer surface of the slide rail (5), a first servo motor (8) is arranged at one end of the threaded rod (7) extending to the outer surface of the slide rail (5), a blocking plate (9) is arranged inside the unloading guide plate (2), an unfolding structure (10) is arranged on one side of the blocking plate (9), the unfolding structure (10) comprises a sliding block (11), a screw rod (12), a transmission rod (13) and a second servo motor (14), and one end of the blocking plate (9) is rotatably connected to the inner wall of the unloading guide plate (2).

2. The concrete transport vehicle unloading device according to claim 1, characterized in that: One side of the first servo motor (8) is fixedly connected to the outer surface of the unloading guide plate (2), and the power output end of the first servo motor (8) is fixedly connected to the threaded rod (7) extending to one end of the outer surface of the slide rail (5).

3. The concrete transport vehicle unloading device according to claim 1, characterized in that: One end of the connecting plate (6) passes through the slide rail (5) and is fixedly connected to the inner wall of the expansion plate (3).

4. The concrete transport vehicle unloading device according to claim 1, characterized in that: The inner wall of the material discharging guide plate (2) is provided with a slide groove, the sliding block (11) is slidably arranged inside the slide groove of the inner wall of the material discharging guide plate (2), one end of the sliding block (11) is provided with a threaded hole, a screw rod (12) is arranged inside the threaded hole at one end of the sliding block (11), one end of the screw rod (12) is rotatably connected to the inner wall of the slide groove of the inner wall of the material discharging guide plate (2), and the other end of the screw rod (12) is provided with a second servo motor (14), one side of the second servo motor (14) is fixedly connected to the inner wall of the slide groove of the inner wall of the material discharging guide plate (2), and the power output end of the second servo motor (14) is fixedly connected to one end of the screw rod (12) close to the second servo motor (14).

5. The concrete transport vehicle unloading device according to claim 1, characterized in that: A slot is provided on one side of the sliding block (11), and a slot is also provided on one side of the blocking plate (9).

6. The concrete transport vehicle unloading device according to claim 1, characterized in that: Through holes are formed on the upper surfaces of both ends of the transmission rod (13), and connecting rods (15) are rotatably arranged inside the through holes on the upper surfaces of both ends of the transmission rod (13). The two ends of the connecting rod (15) are fixedly connected to the inner wall of a slot on one side of the sliding block (11) inside the through hole on the upper surface of one end of the transmission rod (13), and the two ends of the connecting rod (15) are fixedly connected to the inner wall of a slot on one side of the sliding block (11) inside the through hole on the upper surface of the other end of the transmission rod (13).