Self-covering dump semitrailer

Abstract

The utility model relates to automatic canopy technology field, concretely relates to a kind of automatic canopy cloth's self-unloading semitrailer, including car bottom plate, the top of car bottom plate is rotatably connected with carriage, the outside of carriage is equipped with automatic canopy mechanism, the inside of carriage is equipped with angle adjusting mechanism, the outside of carriage is equipped with self-unloading mechanism, the automatic canopy mechanism includes hydraulic cylinder two, the drive end of hydraulic cylinder two is fixedly connected with connecting rod, the outside of connecting rod is fixedly connected with frame one, the inside of frame one is slidably connected with restriction column one, the inside of frame one is slidably connected with restriction column two, the outside of carriage is fixedly connected with restriction plate one;The utility model, start hydraulic cylinder two, hydraulic cylinder two drives connecting rod to move, drive frame one to move on restriction plate one and restriction plate two, frame one drives restriction column one to move, promote frame two to move, limit the movement of restriction column one, realize automatic canopy.

Description

Technical Field

[0001] This utility model relates to the field of automatic tarpaulin covering technology, and in particular to a self-unloading semi-trailer that automatically covers tarpaulins. Background Technology

[0002] A dump semi-trailer is a heavy-duty special vehicle commonly used for the transportation and unloading of bulk goods. It needs to be used in conjunction with a tractor. Its core feature is that it has an automatic dumping function. It is widely used in mining, infrastructure, logistics and other fields to transport bulk or block materials such as sand, gravel, coal, slag, and building materials.

[0003] The key structures of a dump semi-trailer include the cargo box, hydraulic lifting system, frame, and running gear. During operation, the hydraulic system drives the cargo box to tilt around the hinge point, utilizing gravity to quickly unload the cargo, significantly reducing unloading time and labor costs.

[0004] Currently, some dump semi-trailers are difficult to cover with tarpaulins automatically, while manually covering the tarpaulin requires the driver or worker to climb onto the vehicle, which takes 5 to 15 minutes per operation. In high-frequency loading and unloading scenarios, this will significantly increase the overall transportation cycle and reduce freight efficiency. Therefore, a dump semi-trailer with automatic tarpaulin covering is proposed to solve the above problems. Summary of the Invention

[0005] The purpose of this utility model is to provide a self-dumping semi-trailer that automatically covers the tarpaulin, which solves the problem that some self-dumping semi-trailers in the prior art are difficult to automatically cover the tarpaulin.

[0006] To achieve the above objectives, this utility model provides an automatic tarpaulin-covering self-unloading semi-trailer, including a chassis, a cargo box rotatably connected to the top of the chassis, an automatic tarpaulin-covering mechanism installed on the outside of the cargo box, an angle adjustment mechanism installed inside the cargo box, and a self-unloading mechanism installed on the outside of the cargo box.

[0007] The automatic canopy mechanism includes a second hydraulic cylinder, a connecting rod fixedly connected to the drive end of the second hydraulic cylinder, a frame fixedly connected to the outside of the connecting rod, a limiting post 1 slidably connected inside the frame 1, a limiting post 2 slidably connected inside the frame 1, a limiting plate 1 fixedly connected to the outside of the carriage, a limiting plate 2 fixedly connected to the outside of the carriage, and an extension component provided outside the limiting post 1.

[0008] The extension component includes a frame two, a limiting post three is slidably connected inside the frame two, a frame three is slidably connected outside the limiting post three, a limiting post one is slidably connected inside the frame three, a limiting post two is slidably connected inside the frame three, a support frame one is slidably connected outside the limiting post two, a limiting post three is slidably connected inside the support frame one, a support frame two is slidably connected outside the limiting post three, and a limiting rod is slidably connected inside the frame three.

[0009] The angle adjustment mechanism includes a hydraulic cylinder three, a rotating block rotatably connected to the drive end of the hydraulic cylinder three, a rotating plate one rotatably connected to one end of the rotating block, a connecting block one rotatably connected to the other end of the rotating plate one, a fixing block one rotatably connected to the top of the connecting block one, a discharge plate one fixedly connected to one end of the fixing block one, a rotating plate two rotatably connected to the other end of the rotating block, a connecting block two rotatably connected to the other end of the rotating plate two, a fixing block two rotatably connected to the top of the connecting block two, and a discharge plate two fixedly connected to one end of the fixing block two.

[0010] The self-unloading mechanism includes a rear platform, a chain is fixedly connected to the bottom of the platform, and a hook is fixedly connected to the other end of the chain.

[0011] The rotating block is externally rotatably connected to the inside of the carriage, the connecting block one is externally rotatably connected to the inside of the carriage, the connecting block two is externally rotatably connected to the inside of the carriage, the unloading plate one is externally rotatably connected to the inside of the carriage, and the unloading plate two is externally rotatably connected to the inside of the carriage.

[0012] The top of the vehicle floor is rotatably connected to a hydraulic cylinder, and the drive end of the hydraulic cylinder is rotatably connected to a connecting plate. The connecting plate is fixedly connected to the outside of the vehicle body.

[0013] The hydraulic cylinder 2 is externally fixedly connected to the outside of the carriage, and the frame 1 is internally slidably connected to the outside of the limiting plate 1.

[0014] The top of the rear panel is rotatably connected to the top of the passenger compartment, and multiple wheels are fixedly connected to the bottom of the floor panel.

[0015] 1. The present invention relates to an automatic tarpaulin-covering self-unloading semi-trailer. After bulk materials are loaded into the cargo box, to prevent dust and rain from wetting the materials during transportation, hydraulic cylinder two is activated. Hydraulic cylinder two drives the connecting rod to move, which in turn drives frame one to move on limiting plate one and limiting plate two. Frame one drives limiting post one to move, which causes frame two to move, which in turn drives limiting post three and limiting post two to move. The two then drive frame three and support frame one to move. Since support frame two is fixed and limiting post one moves, automatic tarpaulin covering is finally achieved.

[0016] 2. The present invention relates to an automatic tarpaulin-covered self-unloading semi-trailer. When unloading, hydraulic cylinder one is first activated, which drives the connecting plate to move, thereby lifting the cargo box. After lifting, the hook releases its engagement with the rear panel to unload the material. Then, hydraulic cylinder three is activated, which drives the rotating block to rotate, thereby causing rotating plate one and rotating plate two to rotate. Rotating plate one drives connecting block one to rotate around the cargo box, causing fixed block one to rotate and opening unloading plate one. Rotating plate two drives connecting block two to rotate around the cargo box and opening unloading plate two, thus preventing material from piling up at the rear of the vehicle and scattering over an excessive area when tipping over. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0018] Figure 1 This is a three-dimensional schematic diagram of an automatic tarpaulin-covering self-unloading semi-trailer proposed in this utility model.

[0019] Figure 2 This is a schematic diagram of the frame structure of an automatic tarpaulin-covering self-unloading semi-trailer proposed in this utility model.

[0020] Figure 3 This is a schematic diagram of the structure of a limiting plate for an automatic tarpaulin-covering self-unloading semi-trailer proposed in this utility model.

[0021] Figure 4 This is a schematic diagram of the rotating plate two of an automatic tarpaulin-covering self-unloading semi-trailer proposed in this utility model.

[0022] In the diagram: 1. Carriage; 2. Hydraulic cylinder one; 3. Connecting plate; 4. Car floor; 5. Automatic canopy mechanism; 51. Hydraulic cylinder two; 52. Connecting rod; 53. Limiting plate one; 54. Limiting plate two; 55. Frame one; 56. Limiting post one; 57. Limiting post two; 58. Extension assembly; 581. Frame two; 582. Frame three; 583. Support frame one; 584. Support frame two; 585. Limiting post three; 58 6. Limiting post one; 587. Limiting post two; 588. Limiting post three; 589. Limiting rod; 61. Hydraulic cylinder three; 62. Rotating block; 63. Rotating plate one; 64. Connecting block one; 65. Fixing block one; 66. Unloading plate one; 67. Rotating plate two; 68. Connecting block two; 69. Fixing block two; 610. Unloading plate two; 7. Self-unloading mechanism; 71. Rear plate; 72. Chain; 73. Hook; 8. Wheel. Detailed Implementation

[0023] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0024] Please see Figure 1 and Figure 2 This utility model provides a technical solution: an automatic tarpaulin-covered self-unloading semi-trailer, including a chassis 4, which provides an installation base and support. A cargo box 1 is rotatably connected to the top of the chassis 4. The cargo box 1 can rotate around the chassis 4 to achieve unloading tilting. An automatic tarpaulin-covering mechanism 5 is installed on the outside of the cargo box 1. The automatic tarpaulin-covering mechanism 5 is used to automatically cover or retract the tarpaulin to cover the goods. An angle adjustment mechanism is installed inside the cargo box 1. The angle adjustment mechanism is used to avoid the material piling up at the rear of the vehicle and the area being too large when tipping over. A self-unloading mechanism 7 is installed on the outside of the cargo box 1. The self-unloading mechanism 7 provides power for the tilting unloading of the cargo box 1.

[0025] The automatic canopy covering mechanism 5 includes a second hydraulic cylinder 51, which provides power for the canopy covering action. A connecting rod 52 is fixedly connected to the drive end of the second hydraulic cylinder 51, transmitting the driving force of the second hydraulic cylinder 51. A frame 55 is fixedly connected to the outside of the connecting rod 52, which in turn causes the canopy to unfold or retract. A limiting post 56 is slidably connected inside the frame 55, restricting the movement of the limiting post 56. A second limiting post 57 is also slidably connected inside the frame 55, restricting the movement of the limiting post 57. The carriage 1... Externally fixed connection includes a limiting plate 53, which provides sliding support for frame 55. Externally fixed connection includes a limiting plate 54, which assists in supporting frame 55. Externally fixed connection includes an extension component 58 on limiting column 56, which is used to expand the tarpaulin coverage area. Externally fixed connection includes hydraulic cylinder 51 on the outside of carriage 1, which fixes the installation position of hydraulic cylinder 51. Internally sliding connection includes frame 55 on the outside of limiting plate 53, which slides along limiting plate 53 to achieve position adjustment.

[0026] Extension component 58 includes frame two 581, which provides sliding support. A limiting post three 585 is slidably connected inside frame two 581. Frame three 582 moves with the limiting post three 585. Frame three 582 is slidably connected outside the limiting post three 585, and frame three 582 drives the extension of subsequent components. A limiting post one 586 is slidably connected inside frame three 582, limiting the movement of the limiting post one 586. A limiting post two 587 is slidably connected inside frame three 582. 7. As frame 3 582 moves, support frame 1 583 is slidably connected to the outside of limit post 2 587. Support frame 1 583 expands the support range of the tarpaulin. Limit post 3 588 is slidably connected inside support frame 1 583. Limit post 3 588 moves with support frame 1 583. Support frame 2 584 is slidably connected to the outside of limit post 3 588. Support frame 2 584 further expands the coverage area of ​​the tarpaulin. Limit rod 589 is slidably connected inside frame 3 582. Limit rod 589 enhances the structural stability of frame 3 582.

[0027] like Figure 3 and Figure 4As shown, the angle adjustment mechanism includes a hydraulic cylinder 61, which provides power for angle adjustment. A rotating block 62 is rotatably connected to the drive end of the hydraulic cylinder 61. The rotating block 62 transmits the driving force of the hydraulic cylinder 61 and can rotate to adjust the direction. A rotating plate 63 is rotatably connected to one end of the rotating block 62. The rotating plate 63 transmits power and can change the direction of the force. A connecting block 64 is rotatably connected to the other end of the rotating plate 63. The connecting block 64 transmits power to a fixed block 65. The top of the connecting block 64 is rotatably connected to the fixed block 65. The fixed block 65 drives the unloading plate 66 to move. The unloading plate 66 is fixedly connected to one end of the fixed block 65. The unloading plate 66 adjusts its tilt angle by rotation to assist in unloading. A rotating plate 67 is rotatably connected to the other end of the rotating block 62. The rotating plate 67 transmits power and can change the direction of the force. A connecting plate 64 is rotatably connected to the other end of the rotating plate 62. Connecting block 2 68 transmits power to fixing block 2 69. The top of connecting block 2 68 is rotatably connected to fixing block 2 69. Fixing block 2 69 drives unloading plate 2 610 to move. One end of fixing block 2 69 is fixedly connected to unloading plate 2 610. Unloading plate 2 610 adjusts its tilt angle by rotating to assist unloading. The external rotating block 62 is rotatably connected to the inside of the carriage 1. The carriage 1 provides a fulcrum for rotating block 62. The external rotating block 1 64 is rotatably connected to the inside of the carriage 1. The carriage 1 provides a fulcrum for rotating block 1 64. The external rotating block 2 68 is rotatably connected to the inside of the carriage 1. The carriage 1 provides a fulcrum for rotating block 2 68. The external rotating unloading plate 1 66 is rotatably connected to the inside of the carriage 1. The carriage 1 provides rotational support for unloading plate 1 66. The external rotating unloading plate 2 610 is rotatably connected to the inside of the carriage 1. The carriage 1 provides rotational support for unloading plate 2 610.

[0028] The self-unloading mechanism 7 includes a rear panel 71, which cooperates with the cargo box 1 to form a closed cargo space. The top of the rear panel 71 is rotatably connected to the top of the cargo box 1. The rear panel 71 can rotate around the cargo box 1 to open and close. A chain 72 is fixedly connected to the bottom of the floor 4. The chain 72 is used for connection. The other end of the chain 72 is fixedly connected to a hook 73. The hook 73 is used to fix the closed state of the rear panel 71. A hydraulic cylinder 2 is rotatably connected to the top of the floor 4. The hydraulic cylinder 2 provides power for tilting the cargo box 1. A connecting plate 3 is rotatably connected to the drive end of the hydraulic cylinder 2. The connecting plate 3 transmits the driving force of the hydraulic cylinder 2. The outside of the connecting plate 3 is fixedly connected to the outside of the cargo box 1. The connecting plate 3 drives the cargo box 1 to rotate synchronously. Multiple wheels 8 are fixedly connected to the bottom of the floor 4. The wheels 8 realize the movement function of the semi-trailer.

[0029] Working principle: Bulk materials are placed inside the carriage 1. To prevent dust from being generated during the transportation of bulk materials and to avoid rainwater from wetting the materials, hydraulic cylinder 2 51 is activated. Hydraulic cylinder 2 51 drives the connecting rod 52 to move. The movement of the connecting rod 52 drives frame 1 55. Frame 1 55 moves on the limiting plate 1 53 and limiting plate 2 54. The movement of frame 1 55 drives the limiting post 1 56 to move. The movement of limiting post 1 56 drives frame 2 581 to move. The movement of frame 2 581 drives limiting post 3 585 and limiting post 2 587 to move. The movement of limiting post 3 585 and limiting post 2 587 drives frame 3 582 and support frame 1 583 to move. The movement of support frame 1 583 drives limiting post 1 586 to move. Support frame 2 584 remains stationary. Limiting post 1 586 moves, thereby achieving automatic canopy covering.

[0030] When unloading is required, hydraulic cylinder 2 is activated, which moves connecting plate 3. Connecting plate 3 lifts carriage 1. After carriage 1 is lifted, hook 73 releases its engagement with rear panel 71, thus unloading. Hydraulic cylinder 61 is then activated, which rotates rotating block 62. Rotating block 62 rotates rotating plate 63 and rotating plate 67. Rotating plate 63 rotates connecting block 64. Connecting block 64 rotates around a point on carriage 1, which in turn rotates fixing block 65, thereby opening unloading plate 66. Rotating plate 67 rotates, which in turn rotates connecting block 68. Connecting block 68 rotates around a point on carriage 1, which in turn rotates connecting block 68, thereby opening unloading plate 610. This prevents material from piling up at the rear of the vehicle and from covering an excessive area during the overturning process.

[0031] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art will understand that all or part of the processes for implementing the above embodiments and equivalent variations made in accordance with the claims of this application are still within the scope of this application.

Claims

1. A self-unloading semi-trailer with an automatic tarpaulin covering, comprising a chassis, characterized in that: The top of the vehicle floor is rotatably connected to a cargo box, an automatic canopy covering mechanism is installed on the outside of the cargo box, an angle adjustment mechanism is installed inside the cargo box, and a self-unloading mechanism is installed on the outside of the cargo box. The automatic canopy mechanism includes a second hydraulic cylinder, a connecting rod fixedly connected to the drive end of the second hydraulic cylinder, a frame fixedly connected to the outside of the connecting rod, a limiting post 1 slidably connected inside the frame 1, a limiting post 2 slidably connected inside the frame 1, a limiting plate 1 fixedly connected to the outside of the carriage, a limiting plate 2 fixedly connected to the outside of the carriage, and an extension component provided outside the limiting post 1.

2. The self-unloading semi-trailer with automatic tarpaulin covering according to claim 1, characterized in that: The extension component includes a frame two, a limiting post three is slidably connected inside the frame two, a frame three is slidably connected outside the limiting post three, a limiting post one is slidably connected inside the frame three, a limiting post two is slidably connected inside the frame three, a support frame one is slidably connected outside the limiting post two, a limiting post three is slidably connected inside the support frame one, a support frame two is slidably connected outside the limiting post three, and a limiting rod is slidably connected inside the frame three.

3. The self-unloading semi-trailer with automatic tarpaulin covering according to claim 1, characterized in that: The angle adjustment mechanism includes a hydraulic cylinder three. A rotating block is rotatably connected to the drive end of the hydraulic cylinder three. A rotating plate one is rotatably connected to one end of the rotating block. A connecting block one is rotatably connected to the other end of the rotating plate one. A fixing block one is rotatably connected to the top of the connecting block one. A discharge plate one is fixedly connected to one end of the fixing block one. A rotating plate two is rotatably connected to the other end of the rotating block two. A connecting block two is rotatably connected to the other end of the rotating plate two. A fixing block two is rotatably connected to the top of the connecting block two. A discharge plate two is fixedly connected to one end of the fixing block two.

4. The self-unloading semi-trailer with automatic tarpaulin covering according to claim 1, characterized in that: The self-unloading mechanism includes a rear platform, a chain is fixedly connected to the bottom of the platform, and a hook is fixedly connected to the other end of the chain.

5. The self-unloading semi-trailer with automatic tarpaulin covering according to claim 3, characterized in that: The rotating block is externally rotatably connected to the inside of the carriage, the connecting block one is externally rotatably connected to the inside of the carriage, the connecting block two is externally rotatably connected to the inside of the carriage, the unloading plate one is externally rotatably connected to the inside of the carriage, and the unloading plate two is externally rotatably connected to the inside of the carriage.

6. The self-unloading semi-trailer with automatic tarpaulin covering according to claim 1, characterized in that: A hydraulic cylinder is rotatably connected to the top of the vehicle floor, and a connecting plate is rotatably connected to the drive end of the hydraulic cylinder. The connecting plate is fixedly connected to the outside of the vehicle body.

7. The self-unloading semi-trailer with automatic tarpaulin covering according to claim 1, characterized in that: The hydraulic cylinder 2 is externally fixedly connected to the outside of the carriage, and the frame 1 is internally slidably connected to the outside of the limiting plate 1.

8. The self-unloading semi-trailer with automatic tarpaulin covering according to claim 4, characterized in that: The top of the rear panel is rotatably connected to the top of the passenger compartment, and multiple wheels are fixedly connected to the bottom of the floor panel.

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