Auxiliary unloading device for semitrailer

By setting up a support mechanism and extension plate below the unloading plate, the bending deformation problem of the unloading plate when unloading heavy goods is solved, the stability and flexibility of the unloading plate are improved, and the practicality of the unloading device is enhanced.

CN223239225UActive Publication Date: 2025-08-19CHUZHOU TIANDA AUTO PARTS
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Patent Information

Application Number
CN202422138647.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2025-08-19
Estimated Expiration
2034-09-02

AI Technical Summary

Technical Problem

When the existing semi-trailer unloading device unloads heavy goods, the unloading plate is prone to bending and deformation, affecting the stability and practicality of unloading.

Method used

A support mechanism including mounting columns, arm cylinders, adjustment screws, grip columns and bottom plates is designed. By rotating the support mechanism, the base plates are contacted with the ground, the screws are telescopic and adjusted length, and an extension plate is provided on the unloading plate to adapt to different heights and unloading landing points, combining a restriction seat and a restriction plate to stabilize the folding of the arm cylinder.

Benefits of technology

It improves the pressure-bearing capacity and stability of the unloading board, increases the flexibility and practicality of the unloading device, and ensures the stability and flexibility of the unloading process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an auxiliary unloading device for a semitrailer, relates to the technical field of unloading devices, and aims to solve the problems that an unloading plate is easy to bend and deform, the stability of unloading is influenced and the practicability is poor in the process of unloading heavier goods in the prior art. A first fixing seat is fixedly mounted in the unloading plate, a supporting mechanism is arranged on the lower portion of the unloading plate along one side of the first fixing seat, the supporting mechanism comprises a mounting column, an arm barrel, an adjusting screw rod, a holding column and a bottom plate, the mounting column is rotationally connected with the first fixing seat, the arm barrel is fixedly mounted on one side of the mounting column, and the adjusting screw rod is fixedly mounted on one side of the arm barrel. The adjusting screw rod is installed on one side of the arm cylinder in a threaded mode, the holding column is fixedly installed on one side of the adjusting screw rod, the bottom plate is rotatably installed on one side of the holding column, an extension plate is arranged on one side of the unloading plate, a plate cavity is formed in the unloading plate, and one end of the extension plate extends into the plate cavity of the unloading plate.
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Description

Technical Field

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

[0002] A semi-trailer is a heavy-duty transport vehicle with its axle placed behind the vehicle's center of gravity and equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. It is connected to the semi-trailer head via a towing pin. Since the bottom of the semi-trailer's compartment is still at a certain height from the ground, an unloading device is often required to assist in unloading.

[0003] For example, the authorized patent with announcement number CN217076309U (a semi-trailer unloading auxiliary device) comprises a mobile base and a stripper plate, one side of the stripper plate is rotatably connected to the mobile bottom plate, and the other side of the stripper plate is transmission-connected to a lifting assembly provided on the mobile base, the lifting assembly is used to adjust the inclination angle of the stripper plate, the lifting end of the stripper plate is provided with a conveyor belt structure, the conveyor belt structure is installed on a mounting frame, one end of the mounting frame is rotatably mounted on a support plate provided on one side of the stripper plate through a mounting shaft, and the support plate is provided with a rotating assembly for driving the mounting shaft to rotate;

[0004] Although the above-mentioned existing technology avoids the need for operators to deliver goods when the semi-trailer is currently unloading, it does not have a supporting mechanism. As a result, during the unloading process of heavier goods, the unloading plate is prone to bending and deformation, affecting the stability of unloading and having poor practicality. Therefore, the market urgently needs to develop an auxiliary unloading device for semi-trailers to help people solve the existing problems. Utility Model Content

[0005] The purpose of the utility model is to provide an auxiliary unloading device for a semi-trailer to solve the problem raised in the above background technology that the unloading plate is prone to bending and deformation during the unloading of heavy goods, which affects the stability of unloading and has poor practicality.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an auxiliary unloading device for a semi-trailer, comprising an unloading plate, a fixed seat 1 being fixedly installed inside the unloading plate, a support mechanism being provided below the unloading plate along one side of the fixed seat 1, the support mechanism comprising a mounting column, an arm tube, an adjusting screw, a grip column and a base plate, the mounting column being rotatably connected to the fixed seat 1, the arm tube being fixedly installed on one side of the mounting column, the adjusting screw being threadedly installed on one side of the arm tube, the grip column being fixedly installed on one side of the adjusting screw, and the base plate being rotatably installed on one side of the grip column.

[0007] Preferably, an extension plate is provided on one side of the unloading plate, a plate cavity is provided inside the unloading plate, and one end of the extension plate extends into the plate cavity of the unloading plate.

[0008] Preferably, a fixing screw is threadedly installed on one side below the unloading plate, the upper end of the fixing screw extends into the plate cavity of the unloading plate and contacts the extension plate, and a hand wheel is fixedly installed below the fixing screw.

[0009] Preferably, blocking bars are symmetrically fixedly installed on the front end and the rear end of the upper side of the extension plate.

[0010] Preferably, a limiting seat is provided on the outer side of the arm tube, and the limiting seat is fixedly connected to the unloading plate. A slot hole 1 is provided on one side of the limiting seat, and a slot hole 2 is provided on the other side of the limiting seat. A limiting plate is provided inside the limiting seat, and one end of the limiting plate extends into the interior of slot hole 1 and is rotatably connected to the limiting seat, and the other end of the limiting plate extends into the interior of slot hole 2.

[0011] Preferably, side grooves are symmetrically provided on one side of the front end and the rear end of the unloading plate, and a support plate 1 is provided inside the side groove, and the support plate 1 is rotatably connected to the unloading plate, and a pad 1 is fixedly installed below the support plate 1.

[0012] Preferably, a second fixing seat is symmetrically fixedly installed at the front and rear ends of one side below the extension plate, a second supporting plate is rotatably installed below the second fixing seat, and a second pad is fixedly installed below the second supporting plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. The utility model provides a support mechanism under the unloading plate, and the support mechanism includes a mounting column, an arm tube, an adjusting screw, a grip column and a bottom plate, and the mounting column of the support mechanism is rotatably mounted on a fixed seat, so that when the semi-trailer unloads goods through the unloading plate, the support mechanism is erected by rotating the support mechanism so that the bottom plate of the support mechanism contacts the ground, which can support the unloading plate and improve the pressure-bearing capacity of the unloading plate, which is conducive to the stable use of the unloading plate during the unloading process of heavier goods. At the same time, an adjusting screw is also provided in the support mechanism, and the adjusting screw is rotated by the grip column so that the adjusting screw can be telescopically moved, thereby being able to adjust the overall length of the support mechanism, thereby increasing the flexibility of the support mechanism.

[0015] 2. The utility model provides an extension plate on one side of the unloading plate, and the extension plate can be telescopically moved on the unloading plate, so that when the semi-trailer is unloading, the overall length of the unloading plate and the extension plate can be adjusted according to the height of the bottom of the vehicle body and the landing point of the unloading, thereby increasing the flexibility of the unloading device.

[0016] 3. The utility model provides a limiting seat and a limiting plate so that the arm tube of the support mechanism can be placed in the limiting seat when the support mechanism is folded. Then, by rotating the limiting plate, the limiting plate can block the opening of the limiting seat, which is conducive to the stable placement of the arm tube in the limiting seat and the folding work of the support mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall schematic diagram of an auxiliary unloading device for a semi-trailer according to the present invention;

[0018] Figure 2 This is a bottom-up schematic diagram of an auxiliary unloading device for a semi-trailer according to the present invention;

[0019] Figure 3 This is a schematic structural diagram of the support mechanism of the present utility model;

[0020] Figure 4 It is an enlarged view of part A of the present utility model;

[0021] Figure 5 This is a schematic diagram of the unloading state of the utility model.

[0022] In the figure: 1. Unloading plate; 101. Side groove; 2. Extension plate; 3. Baffle; 4. Support plate 1; 5. Pad plate 1; 6. Support mechanism; 601. Mounting column; 602. Arm tube; 603. Adjusting screw; 604. Grip column; 605. Bottom plate; 7. Fixing seat 1; 8. Hand wheel; 9. Fixing screw; 10. Fixing seat 2; 11. Support plate 2; 12. Pad plate 2; 13. Limiting seat; 1301. Slot hole 1; 1302. Slot hole 2; 14. Limiting plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] See also Figure 1-5 The utility model provides an embodiment: an auxiliary unloading device for a semi-trailer, including an unloading plate 1, a fixed seat 7 is fixedly installed inside the unloading plate 1, and a support mechanism 6 is provided below the unloading plate 1 along one side of the fixed seat 7, the support mechanism 6 includes a mounting column 601, an arm tube 602, an adjusting screw 603, a grip column 604 and a bottom plate 605, the mounting column 601 is rotatably connected to the fixed seat 7, the arm tube 602 is fixedly installed on one side of the mounting column 601, the adjusting screw 603 is threadedly installed on one side of the arm tube 602, the grip column 604 is fixedly installed on one side of the adjusting screw 603, and the bottom plate 605 is rotatably installed on one side of the grip column 604.

[0025] During use, when the semi-trailer unloads goods through the unloading plate, the support mechanism 6 is rotated to stand up so that the bottom plate 605 of the support mechanism 6 contacts the ground, which can support the unloading plate 1 and improve the pressure-bearing capacity of the unloading plate, which is beneficial to the stable use of the unloading plate during the unloading process of heavier goods. At the same time, the adjusting screw 603 is rotated by the grip column 604 to make the adjusting screw 603 telescopic and movable, thereby being able to adjust the overall length of the support mechanism 6, thereby increasing the flexibility of the use of the support mechanism 6.

[0026] Furthermore, an extension plate 2 is provided on one side of the unloading plate 1, and a plate cavity is provided inside the unloading plate 1. One end of the extension plate 2 extends into the plate cavity of the unloading plate 1, so that the overall length of the unloading plate 1 and the extension plate 2 can be adjusted, thereby increasing the flexibility of the use of the unloading device.

[0027] Furthermore, a fixing screw 9 is threadedly installed on one side below the unloading plate 1. The upper end of the fixing screw 9 extends into the plate cavity of the unloading plate 1 and contacts the extension plate 2. By tightening the fixing screw 9, the position of the extension plate 2 can be fixed. A handwheel 8 is fixedly installed below the fixing screw 9, which improves the convenience of rotating the fixing screw 9.

[0028] Furthermore, blocking bars 3 are symmetrically fixedly installed on the front and rear ends of one side above the extension plate 2, which can block the goods sliding down through the extension plate 2 to prevent the goods from falling, thereby increasing practicality.

[0029] Furthermore, a limiting seat 13 is provided on the outer side of the arm tube 602, and the limiting seat 13 is fixedly connected to the unloading plate 1, a slot hole 1301 is provided on one side of the limiting seat 13, and a slot hole 2 1302 is provided on the other side of the limiting seat 13, and a limiting plate 14 is provided inside the limiting seat 13, one end of the limiting plate 14 extends into the interior of the slot hole 1301 and is rotatably connected to the limiting seat 13, and the other end of the limiting plate 14 extends into the interior of the slot hole 2 1302. When the support mechanism 6 is folded, the arm tube 602 of the support mechanism 6 can be placed in the limiting seat 13, and then by rotating the limiting plate 14, the limiting plate 14 can block the opening of the limiting seat 13, which is conducive to the stable placement of the arm tube 602 in the limiting seat 13 and the folding work of the support mechanism 6.

[0030] Furthermore, side grooves 101 are symmetrically provided on one side of the front end and the rear end of the unloading plate 1, and a support plate 4 is provided inside the side groove 101. The support plate 4 is rotatably connected to the unloading plate 1, and a pad 5 is fixedly installed under the support plate 4 to facilitate supporting one end of the unloading plate 1 and increase practicality.

[0031] Furthermore, a fixing seat 2 10 is symmetrically fixedly installed at the front and rear ends of one side below the extension plate 2, a support plate 2 11 is rotatably installed below the fixing seat 2 10, and a pad 2 12 is fixedly installed below the support plate 2 11, which facilitates the support of one end of the extension plate 2 and increases practicality.

[0032] Working principle: During use, when the semi-trailer is unloading, the end of the unloading plate 1 away from the extension plate 2 is placed on the unloading port of the semi-trailer's carriage, and the fixing screw 9 is loosened by the handwheel 8 to adjust the protruding length of the extension plate 2 so that the pad 2 12 falls on the ground, and then the fixing screw 9 is tightened to fix the position of the extension plate 2. Then, one end of the limiting plate 14 is moved out of the slot 2 1302, and the support mechanism 6 is rotated and erected. By holding the grip column 604 and rotating the adjusting screw 603, the overall length of the support mechanism 6 is adjusted so that the bottom plate 605 of the support mechanism 6 is in contact with the ground to support the unloading plate 1.

[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. An auxiliary unloading device for a semi-trailer, comprising an unloading plate (1), characterized in that: A fixing seat (7) is fixedly installed inside the unloading plate (1), and a support mechanism (6) is provided below the unloading plate (1) along one side of the fixing seat (7). The support mechanism (6) comprises a mounting column (601), an arm tube (602), an adjusting screw (603), a gripping column (604) and a bottom plate (605). The mounting column (601) is rotatably connected to the fixing seat (7), the arm tube (602) is fixedly installed on one side of the mounting column (601), the adjusting screw (603) is threadedly installed on one side of the arm tube (602), the gripping column (604) is fixedly installed on one side of the adjusting screw (603), and the bottom plate (605) is rotatably installed on one side of the gripping column (604).

2. The auxiliary unloading device for a semi-trailer according to claim 1, characterized in that: An extension plate (2) is provided on one side of the unloading plate (1), a plate cavity is provided inside the unloading plate (1), and one end of the extension plate (2) extends into the plate cavity of the unloading plate (1).

3. The auxiliary unloading device for a semi-trailer according to claim 2, characterized in that: A fixed screw rod (9) is threadedly installed on one side below the unloading plate (1), and the upper end of the fixed screw rod (9) extends into the plate cavity of the unloading plate (1) and contacts the extension plate (2), and a hand wheel (8) is fixedly installed below the fixed screw rod (9).

4. The auxiliary unloading device for a semi-trailer according to claim 3, characterized in that: Baffles (3) are symmetrically fixedly mounted on the front and rear ends of one side above the extension plate (2).

5. The auxiliary unloading device for a semi-trailer according to claim 1, characterized in that: A limiting seat (13) is provided on the outer side of the arm tube (602), and the limiting seat (13) is fixedly connected to the unloading plate (1). A slot hole 1 (1301) is provided on one side of the limiting seat (13), and a slot hole 2 (1302) is provided on the other side of the limiting seat (13). A limiting plate (14) is provided inside the limiting seat (13), and one end of the limiting plate (14) extends into the interior of slot hole 1 (1301) and is rotatably connected to the limiting seat (13), and the other end of the limiting plate (14) extends into the interior of slot hole 2 (1302).

6. The auxiliary unloading device for a semi-trailer according to claim 1, characterized in that: Side grooves (101) are symmetrically provided on one side of the front end and the rear end of the unloading plate (1), and a support plate (4) is provided inside the side groove (101). The support plate (4) is rotatably connected to the unloading plate (1), and a pad (5) is fixedly installed below the support plate (4).

7. The auxiliary unloading device for a semi-trailer according to claim 2, characterized in that: A second fixing seat (10) is symmetrically fixedly installed at the front and rear ends of one side below the extension plate (2), a second supporting plate (11) is rotatably installed below the second fixing seat (10), and a second pad (12) is fixedly installed below the second supporting plate (11).

Citation Information

Patent Citations

  • Unloading auxiliary device of semitrailer

    CN217076309U