Automatic unloading equipment for trucks in the recycling metal industry

Abstract

The present invention discloses an automatic unloading device for trucks in the recycling metal industry, comprising a tilting platform and a tilting hydraulic cylinder, wherein the tilting platform is rotatably connected to the ground, the tilting hydraulic cylinder is fixedly connected to the ground, the output end of the tilting hydraulic cylinder is connected to the lower surface of the tilting platform, the upper surface of the tilting platform is provided with a fixed track and a movable track arranged in parallel, and the fixed track and the movable track are both provided with a plurality of automatic wheel clamping devices, which are used to clamp the wheels of the truck. The automatic unloading device for trucks in the recycling metal industry provided by the present invention reduces the labor quota, improves the production efficiency, and reduces the labor intensity of the workers.

Description

Technical Field

[0001] The invention belongs to the field of truck unloading in the recycling metal industry, and in particular relates to automatic unloading equipment for trucks in the recycling metal industry. Background Art

[0002] The raw materials of the recycled metal plant are mainly imported from abroad or purchased from domestic scrap metal recycling companies. The imported raw materials are transported in containers, and the domestically purchased raw materials are transported in container trucks or trucks. Many of these two types of trucks do not have automatic unloading functions. After the trucks carrying raw materials enter the workshop, they need to be unloaded manually, which is inefficient. In addition, the carriage is long, up to twelve meters, and the raw materials need to be transferred from the inside of the carriage to the entrance of the carriage before unloading, which consumes a lot of manpower. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic unloading device for trucks in the recycling metal industry to solve the problem of low efficiency of manual unloading of trucks in the recycling metal industry in the prior art.

[0004] The technical solution of the present invention is:

[0005] An automatic unloading device for trucks in the recycled metal industry comprises a tilting platform and a tilting hydraulic cylinder, wherein the tilting platform is rotatably connected to the ground, the tilting hydraulic cylinder is fixedly connected to the ground, the output end of the tilting hydraulic cylinder is connected to the lower surface of the tilting platform, the upper surface of the tilting platform is provided with a fixed track and a movable track arranged in parallel, the fixed track and the movable track are both provided with a plurality of automatic wheel clamping devices, and the automatic wheel clamping devices are used to clamp the wheels of the truck.

[0006] Preferably, the moving direction of the movable track is perpendicular to the length direction of the movable track.

[0007] Preferably, the mobile track includes a mobile track body, a plurality of track hydraulic cylinders and a plurality of clamping devices, the track hydraulic cylinder is fixedly connected to the upper surface of the tilting platform, and the output end of the track hydraulic cylinder is connected to the mobile track body. Specifically, a wing plate is provided at the lower end of the mobile track body, the clamping device includes a clamp and a clamping hydraulic cylinder, the clamp includes a first plate, a second plate and a third plate, the first plate and the second plate are parallel, and the first plate and the third plate are connected through the second plate; a through hole is provided on the tilting platform, the second plate passes through the through hole and moves in the through hole, the first plate is connected to the upper surface of the wing plate, the third plate is located below the tilting platform, and the clamping hydraulic cylinder is fixedly connected to the upper surface of the third plate, which is used for the mobile track body to be driven to a specified position by the track hydraulic cylinder and then cooperate with the clamp to clamp the tilting platform and the wing plate.

[0008] Preferably, the automatic wheel gripping device comprises a motor-driven wheel, a support arm and three telescopic arms, wherein the motor-driven wheel is rollingly connected to the fixed track or the mobile track, and is used to drive the automatic wheel gripping device to move to the wheel of the truck and be fixed to the fixed track or the mobile track;

[0009] The telescopic arm includes a first arm and a second arm, one end of the first arm is connected to one end of the second wall, one end of the support arm is connected to the motor drive wheel, and the other end is respectively connected to the other end of the first arm of the three telescopic arms, and the three telescopic arms cooperate to form a clamp; a telescopic hydraulic cylinder is provided on the first arm, which is used to increase or decrease the length of the first arm to control the opening and closing of the clamp.

[0010] Preferably, the first arms of the three telescopic arms are located in the same plane, and the angle between them is 120 degrees.

[0011] Preferably, the automatic wheel tightening device is provided with an identification device for identifying the identification code on the truck wheel.

[0012] Preferably, a wheel stop is provided on the upper surface of the tilting platform for contacting and connecting with the rear wheels of the truck to prevent the truck from sliding down when the tilting platform rotates relative to the ground.

[0013] Preferably, a warning limit strip is provided on the upper surface of the tipping platform, and the warning limit strip is parallel to the fixed track and is used to display the parking position of the truck.

[0014] Preferably, the rotation axis of the tilting platform and the ground is perpendicular to the fixed track.

[0015] Preferably, in the unloading state, the angle between the tipping platform and the ground is 30 degrees to 45 degrees.

[0016] Due to the adoption of the above technical solution, the present invention has the following advantages and positive effects compared with the prior art:

[0017] (1) The truck is driven onto the tipping platform and parked next to the fixed track. The truck is parked parallel to the fixed track, the truck is located between the fixed track and the mobile track, the mobile track approaches the truck, and the wheel automatic clamping devices on the fixed track and the mobile track respectively clamp the wheels on the left and right sides of the truck to fix them and prevent them from moving; then the tipping platform is driven by the tipping hydraulic cylinder to rotate a certain angle, and the recycled metal raw materials in the truck compartment or container can automatically slide down, thereby completing the unloading. The automatic unloading equipment for trucks in the recycled metal industry provided by the present invention realizes automatic unloading and has high unloading efficiency.

[0018] (2) The automatic unloading equipment for trucks in the recycled metal industry provided by the present invention reduces labor quotas, improves production efficiency, and reduces the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the following detailed description of the preferred embodiment.The drawings are only for the purpose of illustrating the preferred embodiments and are not to be construed as limiting the invention.

[0020] Figure 1 It is a schematic plan view of an automatic unloading device for trucks in the recycling metal industry of the present invention;

[0021] Figure 2 It is a cross-sectional schematic diagram of an automatic unloading device for trucks in the recycling metal industry of the present invention;

[0022] Figure 3 It is a structural schematic diagram of a fixed track of the present invention;

[0023] Figure 4 It is a structural schematic diagram of a movable track of the present invention;

[0024] Figure 5 The present invention is a schematic structural diagram of an automatic wheel tightening device.

[0025] Description of reference numerals:

[0026] 1: Truck; 2: Tipping platform; 3: Warning limit strip; 4: Vehicle stop; 5: Automatic wheel clamping device; 6: Fixed track; 7: Mobile track; 8: Tilt hydraulic cylinder; 9: Rotating shaft; 10: Storage pit; 11: Truck wheel; 12: Clamping device; 13: Track hydraulic cylinder; 14: Fixed track body; 15: Mobile track body; 16: Carriage or container; 17: Motor drive wheel; 18: Support arm; 19: Telescopic arm; 20: Clamp; 21: Clamping hydraulic cylinder; 22: Through hole; 23: Telescopic hydraulic cylinder. DETAILED DESCRIPTION

[0027] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the specific implementation methods of the present invention will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0028] In order to simplify the drawings, only the parts related to the present invention are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0029] See also Figures 1 to 5 The present embodiment provides an automatic unloading device for trucks in the recycling metal industry, including a tilting platform 2 and a tilting hydraulic cylinder 8. The tilting platform 2 is rotatably connected to the ground, the tilting hydraulic cylinder 8 is fixedly connected to the ground, and the output end of the tilting hydraulic cylinder 8 is connected to the lower surface of the tilting platform 2. The upper surface of the tilting platform 2 is provided with a fixed rail 6 and a movable rail 7 arranged in parallel. The fixed rail 6 and the movable rail 7 are both provided with a plurality of automatic wheel clamping devices 5, and the automatic wheel clamping devices 5 are used to clamp the truck wheels 11.

[0030] The structure of this embodiment is now described.

[0031] A space for the tilting platform 2 can be dug above or below the ground, so that the upper surface of the tilting platform 2 is flush with the road surface (referring to the ground that has not been dug) when not tilting, so that the truck 1 can be driven onto the tilting platform 2. Of course, the ground can also be left undigged, the tilting platform 2 is a section higher than the road surface, and the truck wheels 11 are large, so it can still be driven onto the tilting platform 2, or an inclined block can be built next to the tilting platform 2 for the truck 1 to drive onto the tilting platform 2. No limitation is made here.

[0032] The tilting platform 2 and the ground can be rotatably connected by a hinge, and the rotation axis 9 of the tilting platform 2 and the ground is perpendicular to the fixed track 6. After the truck 1 is fixed on the tilting platform 2, the tilting hydraulic cylinder 8 works to drive the tilting platform 2 to rotate around the rotation axis 9. After rotating a certain angle, the unloading state is reached, and the door of the carriage or container 16 is opened, and the recycled metal raw materials therein can automatically slide down. Preferably, in the unloading state, the angle between the tilting platform 2 and the ground is 30 degrees to 45 degrees.

[0033] Furthermore, a storage pit 10 for recycled metal raw materials can be dug on the ground beside the rotating shaft 9, and in the unloading state, the recycled metal raw materials in the carriage or container 16 slide into the storage pit 10. Preferably, the depth of the storage pit 10 can be 2.5 meters to 3.5 meters. In this embodiment, the depth of the storage pit 10 is about 3 meters.

[0034] The tilting hydraulic cylinder 8 is used to tilt the tilting platform 2 to a certain angle (0° to 45°). In this embodiment, there are two tilting hydraulic cylinders 8, and the connecting line of the two tilting hydraulic cylinders 8 is parallel to the rotating shaft 9. Of course, the specific setting of the tilting hydraulic cylinder 8 is not limited.

[0035] The fixed rail 6 includes a fixed rail body 14 and a clamping device 12. The fixed rail 6 is fixed to the upper surface of the tilting platform 2 by the clamping device 12. In other embodiments, the fixed rail 6 can be of other styles, for example, only including a fixed rail body 14. The fixed rail body 14 is directly welded to the tilting platform 2, which is not limited here. The mobile rail 7 includes a mobile rail body 15, a plurality of rail hydraulic cylinders 13 and a plurality of clamping devices 12. The rail hydraulic cylinder 13 is fixedly connected to the upper surface of the tilting platform 2. The output end of the rail hydraulic cylinder 13 is connected to the mobile rail body 15, which is used to push or pull the mobile rail 7 to move on the surface of the tilting platform 2. The moving direction of the mobile rail 7 is perpendicular to the length direction of the mobile rail 7, and the rail hydraulic cylinder 13. Specifically, both the fixed rail body 14 and the movable rail body 15 can adopt I-beams, the clamping device 12 in the fixed rail 6 is the same as the clamping device 12 in the movable rail 7, the clamping device 12 in the fixed rail 6 is evenly distributed along the length direction of the rail, and the clamping device 12 in the movable rail 7 is distributed corresponding to the rail hydraulic cylinder.

[0036] The pressing device 12 includes a clamp 20 and a pressing hydraulic cylinder 21 .

[0037] The mobile track 7 includes a mobile track body 15, a plurality of track hydraulic cylinders 13 and a plurality of clamping devices 12. The track hydraulic cylinder 13 is fixedly connected to the upper surface of the tilting platform 2, and the output end of the track hydraulic cylinder 13 is connected to the mobile track body 15. A wing plate (the wing plate in this article specifically refers to the lower wing plate of the I-beam) is provided at the lower end of the mobile track body 15, and a through hole 22 is provided on the tilting platform. The clamping device 12 includes a clamp 20 and a clamping hydraulic cylinder 21. The clamp 20 includes a first plate, a second plate and a third plate. The first plate and the second plate are parallel, and the first plate and the third plate are connected through the second plate. The second plate is penetrated by the through hole 22 and moves in the through hole 22. The first plate is connected to the upper surface of the wing plate. The third plate is located below the tilting platform. The clamping hydraulic cylinder 21 is fixedly connected to the upper surface of the third plate. When the track hydraulic cylinder 13 drives the mobile track body 15 to the specified position, the telescopic rod of the clamping hydraulic cylinder 21 extends to cooperate with the clamp 20 to clamp the tilting platform 2 and the wing plate.

[0038] The movable track body 15 is driven by the track hydraulic cylinder 13 to a suitable position (a position convenient for the automatic wheel clamping device 5 on the movable track 7 to clamp the wheel), and then the movable track body 15 is fixed to the upper surface of the tilting platform 2 by the clamping device 12.

[0039] The automatic wheel clamping device 5 includes a motor-driven wheel 17, a support arm 18 and three telescopic arms 19. The motor-driven wheel 17 is rollingly connected to the fixed track 6 or the mobile track 7, and is used to drive the automatic wheel clamping device 5 to move to the truck wheel 11 and then fix the entire automatic wheel clamping device 5 on the fixed track 6 or the mobile track 7. One end of the support arm 18 is connected to the motor-driven wheel 17, and the other end is respectively connected to the three telescopic arms 19. Specifically, the telescopic arm 19 includes a first arm and a second arm, one end of the first arm is connected to one end of the second wall, one end of the support arm 19 is connected to the motor-driven wheel 17, and the other end is respectively connected to the other end of the first arm of the three telescopic arms 19, and the three telescopic arms 19 cooperate to form a clamp, which is used to clamp the truck wheel 11. A telescopic hydraulic cylinder 23 is provided on the first arm, which is used to increase or decrease the length of the first arm to control the opening and closing of the clamp, thereby loosening or clamping the truck wheel 11. At the same time, the existence of the telescopic hydraulic cylinder 23 can adapt to truck wheels 11 of different specifications.

[0040] Preferably, the first arms of the three telescopic arms 19 are located in the same plane, and the angle between them is 120 degrees. The support arm 18 is parallel to the plane where the three first arms are located, and the first arm and the second wall are perpendicular to each other, that is, the second wall and the support arm 18 are perpendicular.

[0041] In this embodiment, there are three automatic wheel clamping devices 5 on the fixed track 6 and three automatic wheel clamping devices 5 on the movable track 7, for a total of six automatic wheel clamping devices 5; in other embodiments, the number and distribution of the automatic wheel clamping devices 5 are not limited.

[0042] Furthermore, the automatic wheel clamping device 5 may be provided with an identification device, and a corresponding identification code may be set on the truck wheel 11. The identification device will identify the identification code on the truck wheel 11, so that the automatic wheel clamping device 5 can locate the truck wheel 11 and automatically move to the corresponding position of the truck wheel 11. Preferably, in this embodiment, an RFID electronic tag is attached to the outer end of the wheel axle of the truck wheel 11, and the automatic wheel clamping device 5 automatically aligns the corresponding truck wheel 11 along the fixed track 6 or the movable track 7 according to the RFID video recognition technology.

[0043] Furthermore, in order to position the rear wheels of the truck and enhance the stability of the truck 1 when rotating with the tipping platform 2, a vehicle stop 4 can be provided on the tipping platform 2, which can specifically be a steel structure vehicle stop.

[0044] Furthermore, a warning limit strip 3 may be attached to the upper surface of the tilting platform 2, and the warning limit strip 3 is attached beside and parallel to the fixed track 6 to indicate the parking position of the truck 1. When the truck 1 is parked on the tilting platform 2, the wheels on the side of the fixed track 6 need to be close to the warning limit strip 3 and parallel to the warning limit strip 3.

[0045] The use process of the automatic unloading equipment for trucks in the recycled metal industry provided in this embodiment is as follows: the truck 1 is poured into the tipping platform 2, and travels along the warning limit strip 3 to the steel structure stop, an RFID electronic tag is attached to the outer end of the wheel axle of the truck 1, and the wheel automatic clamping device 5 on the fixed track 6 is driven by the motor (in the motor drive wheel 17) to automatically align the corresponding truck wheel 11 along the fixed track 6 according to the RFID video recognition technology, and automatically clamp the truck wheel 11; the mobile track 7 is automatically moved to a suitable position and then pressed by the track hydraulic cylinder 13, and the wheel automatic clamping device 5 on the mobile track 7 is driven by the motor (in the motor drive wheel 17) to automatically align the corresponding truck wheel 11 along the mobile track 7 according to the RFID video recognition technology, and automatically clamp the truck wheel 11; then the tipping platform 2 is driven by the tipping hydraulic cylinder 8 to rotate around the rotating shaft 9 by a certain angle (30° to 45°), and the recycled metal raw materials in the carriage or container 16 can automatically slide into the storage pit 10 with a depth of about 3 meters.

[0046] This embodiment achieves the reduction of labor quotas, reduces the labor intensity of workers, and improves production efficiency, which is of great significance to the production organization and management of the recycled metal industry.

[0047] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, if these changes fall within the scope of the claims of the present invention and their equivalents, they still fall within the protection scope of the present invention.

Claims

1. An automatic unloading equipment for trucks in the recycling metal industry, characterized in that: It comprises a tilting platform and a tilting hydraulic cylinder, wherein the tilting platform is rotatably connected to the ground, the tilting hydraulic cylinder is fixedly connected to the ground, the output end of the tilting hydraulic cylinder is connected to the lower surface of the tilting platform, the upper surface of the tilting platform is provided with a fixed track and a movable track arranged in parallel, and the fixed track and the movable track are both provided with a plurality of automatic wheel clamping devices, and the automatic wheel clamping devices are used to clamp the wheels of the truck; The automatic wheel gripping device comprises a motor-driven wheel, a support arm and three telescopic arms, wherein the motor-driven wheel is rollingly connected to the fixed track or the movable track, and is used to drive the automatic wheel gripping device to move to the wheel of the truck and be fixed to the fixed track or the movable track; The telescopic arm comprises a first arm and a second arm, one end of the first arm is connected to one end of the second arm, one end of the support arm is connected to the motor drive wheel, and the other end is respectively connected to the other end of the first arm of the three telescopic arms, and the three telescopic arms cooperate to form a clamp; a telescopic hydraulic cylinder is provided on the first arm, which is used to increase or decrease the length of the first arm to control the opening and closing of the clamp; The moving direction of the movable track is perpendicular to the length direction of the movable track; The movable track comprises a movable track body, a plurality of track hydraulic cylinders and a plurality of clamping devices. The track hydraulic cylinder is fixedly connected to the upper surface of the tilting platform, and the output end of the track hydraulic cylinder is connected to the movable track body.

2. The automatic unloading equipment for trucks in the recycling metal industry according to claim 1 is characterized in that: A wing plate is provided at the lower end of the movable track body, and the clamping device includes a clamp and a clamping hydraulic cylinder, the clamp includes a first plate, a second plate and a third plate, the first plate and the second plate are parallel, and the first plate and the third plate are connected through the second plate; a through hole is provided on the tilting platform, the second plate passes through the through hole and moves in the through hole, the first plate is connected to the upper surface of the wing plate, and the third plate is located below the tilting platform, and the clamping hydraulic cylinder is fixedly connected to the upper surface of the third plate, and is used for the movable track body to be driven to a specified position by the track hydraulic cylinder and then cooperate with the clamp to clamp the tilting platform and the wing plate.

3. The automatic unloading equipment for trucks in the recycled metal industry according to claim 2 is characterized in that: The first arms of the three telescopic arms are located in the same plane, and the angles between them are 120 degrees.

4. The automatic unloading equipment for trucks in the recycling metal industry according to claim 1 is characterized in that: The automatic wheel tightening device is provided with an identification device for identifying the identification code on the truck wheel.

5. The automatic unloading equipment for trucks in the recycling metal industry according to claim 1 is characterized in that: A vehicle stop is provided on the upper surface of the tilting platform, which is used to contact and connect with the rear wheels of the truck to prevent the truck from sliding down when the tilting platform rotates relative to the ground.

6. The automatic unloading equipment for trucks in the recycling metal industry according to claim 1 is characterized in that: A warning limit strip is provided on the upper surface of the tipping platform, and the warning limit strip is parallel to the fixed track and is used to display the parking position of the truck.

7. The automatic unloading equipment for trucks in the recycling metal industry according to claim 1 is characterized in that: The rotation axis between the tilting platform and the ground is perpendicular to the fixed track.

8. The automatic unloading equipment for trucks in the recycling metal industry according to claim 7 is characterized in that: In the unloading state, the angle between the tipping platform and the ground is 30 degrees to 45 degrees.

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