Detachable tarpaulin frame special for trailer

Abstract

The utility model discloses a detachable tarpaulin frame special for a trailer, which comprises a carriage, a plurality of tarpaulin brackets connected above the carriage in a sliding manner, trailer tarpaulin mounted on one side of the tarpaulin brackets, and a fixing mechanism arranged in the tarpaulin brackets, the fixing mechanism comprises a servo motor, a toothed belt wheel A, a toothed belt, a toothed belt wheel B, a screw rod, a lifting block, an elastic rubber belt and a limiting groove; a toothed belt wheel A is driven to rotate through a servo motor, under the transmission action of a toothed belt, the servo motor drives the toothed belt wheel A and a toothed belt wheel B to synchronously rotate so as to drive a screw rod to rotate, the screw rod drives a lifting block to ascend or descend along limiting grooves in the two sides of a tarpaulin support through threads while rotating, and therefore the lifting block drives an elastic rubber belt to press downwards; the multiple elastic rubber belts press and fix goods with different heights in the compartment through elasticity, the goods are prevented from moving in the transportation process, and the goods packaging box is prevented from being damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of trailer-specific tarpaulin racks, in particular to a detachable tarpaulin rack specifically for trailers. Background Art

[0002] A trailer is a vehicle towed by a car but without its own power drive device. Generally, it is transported by a truck head and one or more trailers. It is an important type of vehicle for road transportation. In order to increase the speed of loading and unloading, the goods are usually directly tied to the trailer when transporting them. When there is a thunderstorm or when transporting goods that are easily affected by moisture, a tarpaulin rack is usually added to the trailer and covered with a tarpaulin to achieve dust and rain protection.

[0003] The trolley assembly is designed to be mounted on a trailer and has a plurality of trolleys, wherein the trolley assembly is mounted on a plurality of support rails, wherein the support rails are mounted on a plurality of support rails and a plurality of support rails, wherein the support rails are mounted on a plurality of support rails and a plurality of support rails.

[0004] Compared with the existing technology, there are problems: some existing trailer detachable tarpaulin racks have a gap between the cargo and the top of the car body during use, and cannot press and fix cargo at different heights, causing the cargo to move easily during transportation and damage the cargo packaging box.

[0005] Therefore, there is an urgent need for a special detachable tarpaulin rack for a trailer. Utility Model Content

[0006] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a detachable tarpaulin rack specially used for trailers.

[0007] The utility model solves its technical problem through the following technical solutions: it includes a carriage, multiple tarpaulin brackets slidably connected to the top of the carriage and a trailer tarpaulin installed on one side of the tarpaulin bracket, and also includes a fixing mechanism arranged inside the tarpaulin bracket for fixing goods at different heights, the fixing mechanism includes a servo motor, the servo motor is fixed to the top of the tarpaulin bracket by bolts, the rotating end of the servo motor is provided with a toothed pulley A, the outer side of the toothed pulley A is provided with a toothed belt, one end of the toothed belt is provided with a toothed pulley B, the middle position of the toothed pulley A and the toothed pulley B is provided with a screw, the outer side of the screw is provided with a lifting block, the middle position of the lifting block is provided with an elastic rubber belt, the interior of the tarpaulin bracket is provided with a limiting groove, and the lifting block is slidably connected to the limiting groove.

[0008] As a further solution of the present invention: opening and closing mechanisms are provided on both sides of the carriage for automatically unfolding or folding the trailer tarpaulin rack. The opening and closing mechanism includes a box body, which is welded to both ends of the carriage. A driving motor is provided at one end of the box body, and a screw rod is provided at the rotating end of the driving motor. A driving block is provided on the outside of the screw rod, and the driving block is fixedly connected to the outermost tarpaulin bracket.

[0009] As a further solution of the present invention: a door is provided at one end of the carriage, and a handle is provided on one side of the door for pulling the door to open or close.

[0010] As a further solution of the present invention: an axle is provided below the carriage, and driven wheels are provided at both ends of the axle for supporting the trailer.

[0011] As a further solution of the present invention: a round rod is provided on one side of the carriage for installing a tarpaulin bracket.

[0012] As a further solution of the present invention: a limiting block is provided at one end of the tarpaulin bracket for connecting the tarpaulin bracket to the vehicle compartment.

[0013] As a further solution of the present invention: the limit block is slidably connected to the round rod to control the unfolding or folding direction of the tarpaulin bracket.

[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0015] 1. A servo motor is provided to rotate the toothed pulley A. Under the transmission action of the toothed belt, the servo motor drives the toothed pulleys A and B to rotate synchronously, thereby driving the screw to rotate. As the screw rotates, the thread drives the lifting block to rise or fall along the limit slots on both sides of the tarpaulin bracket, thereby driving the elastic rubber belt to press down through the lifting block. Multiple elastic rubber belts use their elasticity to press and fix cargo at different heights inside the carriage, preventing the cargo from moving during transportation and avoiding damage to the cargo packaging box;

[0016] 2. A driving motor is provided, which drives the screw to rotate. When the screw rotates, the driving block on one side of the outermost tarpaulin bracket is driven forward or backward. Under the limiting action of multiple limit blocks, multiple tarpaulin brackets are driven to move along the round rod, thereby automatically controlling the opening or closing of the trailer tarpaulin, thereby improving the degree of automation of the trailer tarpaulin covering and opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It shows an isometric structural diagram provided according to an embodiment of the present utility model;

[0018] Figure 2 A schematic diagram of a left-side cross-sectional structure provided according to an embodiment of the present utility model is shown;

[0019] Figure 3 Shown is a diagram according to an embodiment of the present invention. Figure 2 A schematic diagram of the partially enlarged structure at center A;

[0020] Figure 4 It shows a schematic diagram of a front cross-sectional structure provided according to an embodiment of the utility model;

[0021] Figure 5 Shown is a diagram according to an embodiment of the present invention. Figure 4 A schematic diagram of the partially enlarged structure at point B in the middle;

[0022] Figure 6 A schematic diagram of a right side cross-sectional structure provided according to an embodiment of the utility model is shown.

[0023] Legend:

[0024] 100, carriage; 200, tarpaulin bracket; 300, trailer tarpaulin; 400, door; 500, handle; 600, axle; 700, driven wheel; 800, round rod; 900, limit block;

[0025] 101. Servo motor; 102. Toothed pulley A; 103. Toothed belt; 104. Toothed pulley B; 105. Screw; 106. Lifting block; 107. Elastic rubber belt; 108. Limiting groove;

[0026] 201, box body; 202, driving motor; 203, screw rod; 204, driving block. DETAILED DESCRIPTION

[0027] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0028] In the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features being in contact not directly but through another feature between them. Moreover, a first feature being "above," "above," and "above" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is higher in level than the second feature. A first feature being "below," "below," and "below" a second feature may include the first feature being directly above or obliquely above the second feature, or may simply mean that the first feature is lower in level than the second feature.

[0029] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0030] Example 1:

[0031] like Figure 1-6As shown, a detachable tarpaulin rack for trailers includes a carriage 100, a plurality of tarpaulin brackets 200 slidably connected to the top of the carriage 100, and a trailer tarpaulin 300 mounted on one side of the tarpaulin brackets 200. The tarpaulin rack also includes a fixing mechanism disposed inside the tarpaulin brackets 200 for fixing cargo at different heights. One end of the carriage 100 is rotatably connected to a door 400, and a handle 500 is welded to one side of the door 400 for pulling the door 400 open or closed. The fixing mechanism includes a servo motor 101, which is fixed to the top of the tarpaulin bracket 200 by bolts. A toothed pulley A102 is fixed to the rotating end of the servo motor 101 by bolts. The outer side of the toothed pulley A102 is connected to a toothed belt 103 for transmission, and one end of the toothed belt 103 is connected to a toothed pulley B104 for transmission. The middle positions of the toothed pulley A102 and the toothed pulley B104 are fixed with screws 105 by bolts, and the outer side of the screw 105 is threadedly connected to a lifting block 106, and the middle position of the lifting block 106 is fixed with an elastic rubber belt 107 by bolts. The interior of the tarpaulin bracket 200 is cut with a limiting groove 108, and the lifting block 106 is slidably connected to the limiting groove 108. An axle 600 is fixed to the bottom of the carriage 100 by bolts, and both ends of the axle 600 are rotatably connected to driven wheels 700 for supporting the trailer.

[0032] In this embodiment, a servo motor 101 is provided, and the servo motor 101 drives the toothed pulley A102 to rotate. Under the transmission action of the toothed belt 103, the servo motor 101 drives the toothed pulley A102 and the toothed pulley B104 to rotate synchronously, thereby driving the screw 105 to rotate. While the screw 105 rotates, it drives the lifting block 106 to rise or fall along the limiting grooves 108 on both sides of the tarpaulin bracket 200 through the thread, thereby driving the elastic rubber belt 107 to press down through the lifting block 106. Multiple elastic rubber belts 107 use elasticity to press and fix the goods at different heights inside the carriage 100 to prevent the goods from moving during transportation and avoid damage to the cargo packaging box.

[0033] Example 2:

[0034] like Figure 1-6As shown, a detachable tarpaulin rack specially designed for trailers is provided. An opening and closing mechanism is provided on both sides of the carriage 100 for automatically unfolding or folding the trailer tarpaulin 300. The opening and closing mechanism includes a box body 201, which is welded to both ends of the carriage 100. A round rod 800 is fixed to one side of the carriage 100 by bolts for installing a tarpaulin bracket 200. A driving motor 202 is fixed to one end of the box body 201 by bolts, and a screw rod 203 is fixed to the rotating end of the driving motor 202 by bolts. The outer side of the screw rod 203 is transmission-connected with a driving block 204, and the driving block 204 is fixedly connected to the outermost tarpaulin bracket 200. A limiting block 900 is welded to one end of the tarpaulin bracket 200 for connecting the tarpaulin bracket 200 to the carriage 100. The limiting block 900 is slidably connected to the round rod 800 for controlling the unfolding or folding direction of the tarpaulin bracket 200.

[0035] In this embodiment, a driving motor 202 is provided, and the driving motor 202 drives the screw rod 203 to rotate. While the screw rod 203 rotates, it drives the driving block 204 on one side of the outermost tarpaulin bracket 200 to move forward or backward. Under the limiting action of multiple limit blocks 900, multiple tarpaulin brackets 200 are driven to move along the round rod 800, thereby automatically controlling the opening or closing of the trailer tarpaulin, thereby improving the degree of automation of covering and opening the trailer tarpaulin.

[0036] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A detachable tarpaulin rack for trailers, characterized in that: The vehicle comprises a carriage (100), a plurality of tarpaulin supports (200) slidably connected above the carriage (100), and a trailer tarpaulin (300) installed on one side of the tarpaulin supports (200). The invention also includes a fixing mechanism arranged inside the tarpaulin support (200) for fixing goods at different heights, wherein the fixing mechanism includes a servo motor (101), the servo motor (101) is fixed to the top of the tarpaulin support (200) by bolts, a toothed pulley A (102) is provided at the rotating end of the servo motor (101), a toothed belt (103) is provided on the outer side of the toothed pulley A (102), a toothed pulley B (104) is provided at one end of the toothed belt (103), a screw rod (105) is provided at the middle position of the toothed pulley A (102) and the toothed pulley B (104), a lifting block (106) is provided on the outer side of the screw rod (105), an elastic rubber belt (107) is provided at the middle position of the lifting block (106), a limiting groove (108) is provided inside the tarpaulin support (200), and the lifting block (106) is slidably connected to the limiting groove (108).

2. The detachable tarpaulin rack for trailer according to claim 1, characterized in that: Both sides of the carriage (100) are provided with opening and closing mechanisms for automatically unfolding or folding the trailer tarpaulin (300) frame. The opening and closing mechanism comprises a box body (201), the box body (201) being welded to both ends of the carriage (100), a driving motor (202) being provided at one end of the box body (201), a screw rod (203) being provided at the rotating end of the driving motor (202), a driving block (204) being provided on the outer side of the screw rod (203), and the driving block (204) being fixedly connected to the outermost tarpaulin bracket (200).

3. The detachable tarpaulin rack for trailer according to claim 1, characterized in that: A door (400) is provided at one end of the carriage (100), and a handle (500) is provided on one side of the door (400) for pulling the door (400) to open or close.

4. The detachable tarpaulin rack for trailer according to claim 1, characterized in that: An axle (600) is provided below the carriage (100), and driven wheels (700) are provided at both ends of the axle (600) for supporting the trailer.

5. The detachable tarpaulin rack for trailer according to claim 1, characterized in that: A round rod (800) is provided on one side of the carriage (100) for mounting a tarpaulin support (200).

6. The detachable tarpaulin rack for trailer according to claim 5, characterized in that: A limiting block (900) is provided at one end of the tarpaulin support (200) for connecting the tarpaulin support (200) to the carriage (100).

7. The detachable tarpaulin rack for trailers according to claim 6, characterized in that: The limit block (900) is slidably connected to the round rod (800) and is used to control the unfolding or folding direction of the tarpaulin support (200).

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