Semitrailer unloading device

By designing a semi-trailer unloading device with No. 2 motor and auxiliary components, the tilt of the side box door and the bottom plate and the movement of the push plate are achieved, which solves the problems of easy head and rollover in the existing technology, and improves the unloading efficiency and convenience.

CN222793344UActive Publication Date: 2025-04-25SHIJIAZHUANG HONGDA SPECIAL PURPOSE VEHICLE MFG CO LTD
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Patent Information

Application Number
CN202421398710.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-04-25
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing semi-trailer unloading device is prone to tilt when unloading in front, and is prone to rollover when unloading in sideways.

Method used

A semi-trailer unloading device is designed to drive the side box door into the tilt through the No. 2 motor, and combined with the No. 1 auxiliary component, the bottom plate is moved upward, so that the bottom plate is tilted, and the No. 2 auxiliary component is driven to move the push plate to both sides to improve the unloading efficiency.

Benefits of technology

It effectively solves the problem of easy head to bend on the front unloading and easy rollover on the side unloading, and improves the efficiency and convenience of unloading.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a semitrailer unloading device which comprises a carriage body, mounting grooves are symmetrically formed in the two sides of the carriage body, side box doors are connected to the interiors of the mounting grooves through second motors and rotating shafts, and shielding assemblies are arranged on the sides, away from the bottom of the carriage body, of the two side box doors. Bottom plates are symmetrically connected to the bottom in the compartment body through first auxiliary assemblies, and push plates are symmetrically connected to the side, close to the top, in the compartment body through second auxiliary assemblies. According to the semi-trailer unloading device, the side box doors on the two sides are driven by the arranged second motor to rotate and incline outwards, and the sides, close to each other, of the two bottom plates are driven by the arranged first auxiliary assembly to move upwards, so that the two bottom plates incline towards the side box doors on the two sides correspondingly, and unloading is accelerated; and an arranged second auxiliary assembly drives the two push plates to move towards the two sides during unloading, the unloading working efficiency can be improved, using is more convenient and faster, and the technical problems that head warping is likely to happen during front unloading, and rollover is likely to happen during side unloading are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of semi-trailers, in particular to a semi-trailer unloading device. Background Art

[0002] A semi-trailer is a trailer with the axle placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. Semi-trailers are generally three-axle semi-trailers, which are divided into many types such as 11-meter warehouse semi-trailers, 13-meter warehouse semi-trailers, low-bed semi-trailers, etc. It is a heavy-duty transportation vehicle connected to the semi-trailer head through a traction pin.

[0003] At present, the unloading device of the semi-trailer mainly uses a hydraulic rod to lift the car body, tilt the car body, and pour out the goods at an angle. The existing hydraulic rod installation is divided into front and side installation. The front installation installs the hydraulic rod behind the front of the car body to let the rear of the car body pour out the materials first. The side installation installs the hydraulic rod on the side of the car body to let the car body tilt to one side to pour out the goods. The front unloading is prone to tilting, and the side unloading is prone to rollover. To solve the above problems, we have launched a semi-trailer unloading device. Utility Model Content

[0004] The utility model discloses a semi-trailer unloading device, aiming to solve the technical problems that front unloading is prone to tilting and side unloading is prone to overturning.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A semi-trailer unloading device comprises a carriage body, installation grooves are symmetrically provided on both sides of the carriage body, side box doors are connected to the inside of the installation grooves via a No. 2 motor and a rotating shaft, shielding components are provided on the sides of the two side box doors away from the bottom of the carriage body, a rear box door is symmetrically connected to the rear side of the carriage body via a hinge, a bottom plate is symmetrically connected to the bottom of the carriage body via a No. 1 auxiliary component, and a push plate is symmetrically connected to the side of the carriage body near the top via a No. 2 auxiliary component.

[0007] When in use, the side box doors on both sides are driven by the No. 2 motor to rotate and tilt outward, and the No. 1 auxiliary component is used to drive the side of the two bottom plates that are close to each other to move upward, so that the two bottom plates are respectively tilted toward the side box doors on both sides, which is beneficial to speed up unloading. The No. 2 auxiliary component drives the two push plates to move to both sides during unloading, which is beneficial to improve unloading efficiency and is more convenient to use. It solves the technical problems that front unloading is prone to tilting and side unloading is prone to tipping over.

[0008] In a preferred solution, the No. 1 auxiliary component includes a fixing groove, which is provided in the inner wall of one side of the carriage body, an electric telescopic rod is fixedly installed inside the fixing groove, and a rotating rod is rotatably connected inside the output end of the electric telescopic rod, a through groove is provided near the fixing groove on the side wall of one side of the carriage body, one end of the rotating rod passes through the through groove and extends to the inside of the two bottom plates, and No. 1 limit grooves are symmetrically provided on both sides of the inner wall of the carriage body.

[0009] Through the set No. 1 auxiliary component, the output end of the electric telescopic rod moves upward to drive the rotating rod to move upward, and further pulls the side of the two bottom plates that are close to each other to move upward, so that the two bottom plates are tilted toward the side box doors on both sides, cooperating with unloading, and the operation is convenient and more convenient to use.

[0010] In a preferred solution, the No. 2 auxiliary component includes a No. 2 movable groove, which is opened inside the side wall of one side of the carriage body, and the interior of the No. 2 movable groove is connected with a bidirectional screw through a No. 3 motor, and a movable block is symmetrically threadedly connected to the outside of the bidirectional screw and located inside the No. 2 movable groove, and the side of the movable block close to the push plate is fixedly connected to the push plate, and a No. 2 limit groove is opened on the top wall of the carriage body and close to the side of the push plate, and a No. 2 limit block is symmetrically slidably connected to the No. 2 limit groove, and the side of the No. 2 limit block close to the push plate is fixedly connected to the push plate.

[0011] By setting up the No. 2 auxiliary component, when in use, the No. 3 motor of the No. 2 auxiliary component drives the bidirectional screw to rotate, and further drives the two push plates to move to both sides through the moving block, so as to accelerate the pushing out of the goods inside the car body, which is more convenient to use. The No. 2 limit slot and No. 2 limit block are conducive to enhancing the stability of the movement of the push plate.

[0012] In a preferred solution, the shielding assembly includes a No. 1 movable groove, which is opened on one side of the side box door and away from the bottom of the car body. A movable plate is slidably connected inside the No. 1 movable groove. A screw rod is connected to the middle of the No. 1 movable groove through a No. 1 motor. Sliding grooves are equidistantly opened inside the movable plate. The screw rod extends into one of the sliding grooves and is threadedly connected to the movable plate. Fixed rods are symmetrically fixed inside the No. 1 movable groove, and one end of the fixed rod extends into the sliding groove and is slidably connected to the sliding groove.

[0013] By setting up a shielding component, when the side box door is tilted for unloading, the lead screw is driven to rotate by motor No. 1, and the movable plate is further driven to move to the outside of movable slot No. 1, which can be used to buffer the goods and has a wider range of applications.

[0014] In a preferred solution, support rods are equidistantly fixedly installed on one side of the side box door near the top, and the electric telescopic rod, motor No. 1, motor No. 2 and motor No. 3 are all electrically connected to the control console inside the semi-trailer cab.

[0015] By arranging the support rod, the side box door can be rotated and tilted to facilitate unloading, which is beneficial for supporting the side box door.

[0016] In a preferred solution, a No. 1 limit groove is symmetrically opened on both sides of the inner wall of the carriage body, and a No. 1 limit block is rotatably connected to one side of the bottom plate close to the No. 1 limit groove, and one end of the No. 1 limit block extends into the interior of the No. 1 limit groove and is slidably connected to the No. 1 limit groove.

[0017] The use of the No. 1 limit slot and the No. 1 limit block is beneficial to strengthening the support of the two bottom plates and coordinating the rotation adjustment of the two bottom plates.

[0018] The semi-trailer unloading device provided by the utility model has the following advantages:

[0019] Firstly, the side box doors on both sides are driven to rotate and tilt outwards through the No. 2 motor, and the side of the two bottom plates close to each other is driven to move upwards through the No. 1 auxiliary component, so that the two bottom plates are respectively tilted toward the side box doors on both sides, which is beneficial to speed up unloading. The No. 2 auxiliary component drives the two push plates to move to both sides during unloading, which is beneficial to improve the unloading efficiency and is more convenient to use, solving the technical problems that front unloading is prone to tilting and side unloading is prone to rollover. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a three-dimensional schematic diagram of the whole semi-trailer unloading device.

[0021] Figure 2 The utility model is a three-dimensional schematic diagram of the unfolding of the side box door of the semi-trailer unloading device as a whole.

[0022] Figure 3 The utility model is a partially perspective cross-sectional schematic diagram of a semi-trailer unloading device with a side box door unfolded.

[0023] Figure 4 The utility model is a partial three-dimensional cross-sectional schematic diagram of a carriage body in a semi-trailer unloading device as a whole.

[0024] In the attached drawings: 1. Carriage body; 11. Mounting slot; 2. Side box door; 3. Rear box door; 4. Bottom plate; 5. Auxiliary component No. 1; 51. Fixed slot; 52. Electric telescopic rod; 53. Rotating rod; 54. Through slot; 55. Limit slot No. 1; 56. Limit block No. 1; 6. Shielding component; 61. Moving slot No. 1; 62. Moving plate; 63. Sliding slot; 64. Motor No. 1; 65. Screw; 66. Fixed rod; 7. Auxiliary component No. 2; 71. Moving slot No. 2; 72. Bidirectional screw; 73. Moving block; 74. Limit slot No. 2; 75. Limit block No. 2; 8. Push plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application usually described and marked in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the application claimed for protection, but merely represents the selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the present application.

[0026] The utility model discloses a semi-trailer unloading device which is mainly used in the scene of unloading the semi-trailer.

[0027] Reference Figure 1 and Figure 2 A semi-trailer unloading device comprises: a carriage body 1, characterized in that installation grooves 11 are symmetrically provided on both sides of the carriage body 1, side box doors 2 are connected inside the installation grooves 11 through a No. 2 motor and a rotating shaft, shielding components 6 are provided on the side of the two side box doors 2 away from the bottom of the carriage body 1, a rear box door 3 is symmetrically connected to the rear side of the carriage body 1 through a hinge, a bottom plate 4 is symmetrically connected to the bottom of the carriage body 1 through a No. 1 auxiliary component 5, and a push plate 8 is symmetrically connected to the side of the carriage body 1 near the top through a No. 2 auxiliary component 7.

[0028] In this embodiment: the side box doors 2 on both sides are driven to rotate and tilt outward by the set No. 2 motor, and the side of the two bottom plates 4 close to each other is driven to move upward by the set No. 1 auxiliary component 5, so that the two bottom plates 4 are respectively inclined toward the side box doors 2 on both sides, which is beneficial to speed up unloading. The set No. 2 auxiliary component 7 drives the two push plates 8 to move to both sides during unloading, which is beneficial to improve the unloading work efficiency and is more convenient to use. It solves the technical problems that front unloading is prone to tilting and side unloading is prone to tipping over.

[0029] In the above technical solution, considering the problem of driving the two bottom plates 4 to move, in order to solve such a problem, the specific operations are as follows:

[0030] Reference Figure 3 and Figure 4 In a preferred embodiment, the first auxiliary component 5 includes a fixing groove 51, which is provided in the inner wall of one side of the carriage body 1, and an electric telescopic rod 52 is fixedly installed inside the fixing groove 51, and a rotating rod 53 is rotatably connected to the output end of the electric telescopic rod 52. A through groove 54 is provided near the fixing groove 51 on the side wall of one side of the carriage body 1, and one end of the rotating rod 53 passes through the through groove 54 and extends to the inside of the two bottom plates 4. A first limiting groove 55 is symmetrically provided on both sides of the inner wall of the carriage body 1;

[0031] Among them, a No. 1 limit groove 55 is symmetrically provided on both sides of the inner wall of the carriage body 1, and a No. 1 limit block 56 is rotatably connected to the side of the bottom plate 4 close to the No. 1 limit groove 55, and one end of the No. 1 limit block 56 extends to the inside of the No. 1 limit groove 55 and is slidably connected to the No. 1 limit groove 55; the No. 1 limit groove 55 and the No. 1 limit block 56 are used in combination, which is beneficial to strengthen the support for the two bottom plates 4 and cooperate with the rotation adjustment of the two bottom plates 4.

[0032] In this embodiment: by setting up the No. 1 auxiliary component 5, the output end of the electric telescopic rod 52 moves up to drive the rotating rod 53 to move up, and further pulls the side of the two bottom plates 4 that are close to each other to move up, so that the two bottom plates 4 are tilted toward the side box doors 2 on both sides, cooperating with unloading, the operation is convenient, and it is more convenient to use.

[0033] In the above technical solution, considering the problem of accelerating the unloading of goods, in order to solve such problems, the specific operations are as follows:

[0034] Reference Figure 3 and Figure 4 In a preferred embodiment, the No. 2 auxiliary component 7 includes a No. 2 moving groove 71, which is opened inside the side wall of one side of the carriage body 1, and the interior of the No. 2 moving groove 71 is connected to a bidirectional screw 72 through a No. 3 motor, and a moving block 73 is symmetrically threadedly connected to the outside of the bidirectional screw 72 and located inside the No. 2 moving groove 71, and the side of the moving block 73 close to the push plate 8 is fixedly connected to the push plate 8, and a No. 2 limit groove 74 is opened on the top wall of the carriage body 1 and close to the push plate 8, and a No. 2 limit block 75 is symmetrically slidably connected inside the No. 2 limit groove 74, and the side of the No. 2 limit block 75 close to the push plate 8 is fixedly connected to the push plate 8.

[0035] In this embodiment: by setting up the No. 2 auxiliary component 7, when in use, the No. 3 motor of the No. 2 auxiliary component 7 drives the two-way screw 72 to rotate, and further drives the two push plates 8 to move to both sides through the moving block 73, so as to accelerate the pushing out of the goods inside the car body 1, and the use is more convenient. The No. 2 limit groove 74 and the No. 2 limit block 75 are conducive to enhancing the stability of the movement of the push plate 8.

[0036] In the above technical solution, considering the problem of buffering the goods sliding off the bottom plate 4 during unloading, in order to solve such a problem, the specific operation is as follows:

[0037] Reference Figure 2 and Figure 3 In a preferred embodiment, the shielding assembly 6 includes a No. 1 movable groove 61, which is opened on one side of the side box door 2 and away from the bottom of the car body 1. The No. 1 movable groove 61 is slidably connected to a movable plate 62. The middle of the No. 1 movable groove 61 is connected to a screw rod 65 through a No. 1 motor 64. Sliding grooves 63 are equidistantly opened inside the movable plate 62. The screw rod 65 extends into one of the sliding grooves 63 and is threadedly connected to the movable plate 62. A fixing rod 66 is symmetrically fixedly installed inside the No. 1 movable groove 61, and one end of the fixing rod 66 extends into the sliding groove 63 and is slidably connected to the sliding groove 63.

[0038] In this embodiment, by setting the shielding component 6, when the side box door 2 is tilted for unloading, the screw rod 65 is driven to rotate by the No. 1 motor 64, and the movable plate 62 is further driven to move to the outside of the No. 1 movable groove 61, which can be used to buffer the goods and has a wider range of applications.

[0039] Working principle: when in use, the side box doors 2 on both sides are driven to rotate and tilt outward through the set No. 2 motor, and the No. 1 auxiliary component 5 is set, and the output end of the electric telescopic rod 52 is moved upward to drive the rotating rod 53 to move upward, and further pull the side of the two bottom plates 4 close to each other to move upward, so that the two bottom plates 4 are tilted toward the side box doors 2 on both sides, which is beneficial to speed up unloading. By setting the No. 2 auxiliary component 7, when in use, the No. 3 motor of the No. 2 auxiliary component 7 drives the two-way screw 72 to rotate, and further drives the two push plates 8 to move to both sides through the moving block 73, which is used to accelerate the push out of the goods inside the car body 1, and is more convenient to use. The set No. 2 limit groove 74 and No. 2 limit block 75 are beneficial to enhance the stability of the movement of the push plate 8, which is beneficial to improve the unloading work efficiency, and is more convenient to use. It solves the technical problems that front unloading is prone to tilting and side unloading is prone to rollover.

[0040] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this. The replacement can be a replacement of part of the structure, device, method step, or a complete technical solution. Equivalent replacement or change based on the technical solution of the utility model and its utility model concept should be included in the protection scope of the utility model.

Claims

1. A semi-trailer unloading device, comprising a vehicle body (1), characterized in that: The two sides of the carriage body (1) are symmetrically provided with installation grooves (11), and the inside of the installation grooves (11) are connected to side box doors (2) through a No. 2 motor and a rotating shaft. The two side box doors (2) are provided with a shielding component (6) on the side away from the bottom of the carriage body (1). The rear side of the carriage body (1) is symmetrically connected to the rear box door (3) through a hinge. The bottom of the carriage body (1) is symmetrically connected to the bottom plate (4) through a No. 1 auxiliary component (5). The side of the carriage body (1) close to the top is symmetrically connected to the push plate (8) through a No. 2 auxiliary component (7).

2. A semi-trailer unloading device according to claim 1, characterized in that: The first auxiliary component (5) comprises a fixing groove (51), the fixing groove (51) being provided in an inner wall of one side of the carriage body (1), an electric telescopic rod (52) being fixedly installed inside the fixing groove (51), an output end of the electric telescopic rod (52) being internally rotatably connected to a rotating rod (53), a through groove (54) being provided in a side wall of one side of the carriage body (1) near the fixing groove (51), one end of the rotating rod (53) passing through the through groove (54) and extending to the inside of the two bottom plates (4).

3. A semi-trailer unloading device according to claim 1, characterized in that: The second auxiliary component (7) comprises a second movable groove (71), the second movable groove (71) is provided inside a side wall of one side of the carriage body (1), the inside of the second movable groove (71) is connected to a bidirectional screw (72) via a third motor, a movable block (73) is symmetrically threadedly connected outside the bidirectional screw (72) and located inside the second movable groove (71), the movable block (73) is fixedly connected to the push plate (8) on the side close to the push plate (8), a second limiting groove (74) is provided on the top wall of the carriage body (1) and on the side close to the push plate (8), a second limiting block (75) is symmetrically slidably connected inside the second limiting groove (74), and the second limiting block (75) is fixedly connected to the push plate (8) on the side close to the push plate (8).

4. A semi-trailer unloading device according to claim 1, characterized in that: The shielding assembly (6) comprises a No. 1 movable groove (61), wherein the No. 1 movable groove (61) is provided on one side of the side box door (2) and away from the bottom of the vehicle body (1), wherein the No. 1 movable groove (61) is slidably connected to a movable plate (62), wherein the middle of the No. 1 movable groove (61) is connected to a screw rod (65) via a No. 1 motor (64), wherein sliding grooves (63) are equidistantly provided inside the movable plate (62), wherein the screw rod (65) extends into one of the sliding grooves (63) and is threadedly connected to the movable plate (62), wherein a fixed rod (66) is symmetrically fixedly installed inside the No. 1 movable groove (61), wherein one end of the fixed rod (66) extends into the sliding groove (63) and is slidably connected to the sliding groove (63).

5. A semi-trailer unloading device according to claim 2, characterized in that: Support rods are fixedly installed at equal distances on one side of the side box door (2) near the top, and the electric telescopic rod (52), the first motor (64), the second motor and the third motor are all electrically connected to the control console inside the semi-trailer cab.

6. A semi-trailer unloading device according to claim 2, characterized in that: A first limiting groove (55) is symmetrically provided on both sides of the inner wall of the carriage body (1); a first limiting block (56) is rotatably connected to one side of the bottom plate (4) close to the first limiting groove (55); one end of the first limiting block (56) extends into the interior of the first limiting groove (55) and is slidably connected to the first limiting groove (55).