Semitrailer supporting device with high bearing capacity

Abstract

The utility model relates to the technical field of supporting devices, in particular to a high-bearing-capacity semitrailer supporting device. According to the technical scheme, the semi-trailer comprises a semi-trailer body, two fixing frames are arranged on the left side of the semi-trailer body, a first air cylinder push rod is arranged in each fixing frame, and the output end of each first air cylinder push rod penetrates and extends to the bottom face of the corresponding fixing frame and is provided with a first ground support. By arranging the fixing frame, the first air cylinder push rod, the first ground support, the reinforcing plate, the telescopic rod and the non-slip mat, auxiliary supporting can be conveniently conducted on the tail of the semitrailer body, and by arranging the motor, the worm, the rotating rod, the worm gear, the threaded rod, the threaded block, the second air cylinder push rod, the second ground support, the non-slip mat, the L-shaped support and the limiting rod, the supporting area can be increased according to needs; and the semitrailer body is prevented from inclining and tilting, so that the semitrailer body can be kept balanced and stable without a tractor, and the safety problems of inclination, collapse and the like are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to support device technical field especially relates to a high bearing capacity semitrailer supporting device. BACKGROUND

[0002] Semitrailer is a common transport vehicle, it is connected by a trailer and a trailer head (usually truck). Unlike full trailer (full trailer), the front of semitrailer is connected with towing vehicle (trailer head) through the hitch point, and its rear part does not have independent support wheel. In other words, semitrailer only has a part of weight to be carried by trailer head, and another part is supported by its own axle and tire, and when unloading, long time parking, loading and unloading operation, in the absence of towing vehicle, it needs supporting device to keep balance and stability, avoid safety problems such as tilting and collapse, therefore, it is necessary to propose a high bearing capacity semitrailer supporting device. SUMMARY

[0003] The utility model relates to support device technical field especially relates to a high bearing capacity semitrailer supporting device.

[0004] The utility model discloses a high bearing capacity semitrailer supporting device, including the semitrailer body, the left side of semitrailer body is provided with two fixed frame, the inside of each fixed frame is provided with cylinder push rod no.

[0005] Preferably, the bottom surface of each fixed frame is provided with a plurality of reinforcing plates, and the right side of each reinforcing plate is fixedly connected with the left side of the semitrailer body.

[0006] Preferably, a set of telescopic rods is arranged between the bottom surface of each fixed frame and the top surface of the corresponding ground support no.

[0007] Preferably, the bottom surface of each ground support no. and ground support no. is provided with an antiskid pad.

[0008] Preferably, the left end of the worm gear is rotatably connected with the left side of the mounting groove.

[0009] Preferably, the middle end of the rotating rod penetrates the installation slot.

[0010] Preferably, the worm gear is located inside the installation slot.

[0011] Preferably, the semi-trailer body is provided with L-shaped supports on the front and rear sides, and each L-shaped support is rotationally connected with a corresponding screw rod.

[0012] Preferably, each L-shaped support and the semi-trailer body are provided with a limiting rod, and each limiting rod is slidingly connected with a corresponding threaded block.

[0013] Compared with the prior art, the utility model has the beneficial technical effects that:

[0014] The utility model discloses a fixing frame, a cylinder push rod one, a ground support one, a reinforcing plate, a telescopic rod, an antiskid pad are set up, and the tail of semi-trailer body is conveniently assisted and supported, and the motor, the worm, the rotating rod, the worm gear, the screw rod, the threaded block, the cylinder push rod two, the ground support two, the antiskid pad, the L-shaped support, the limiting rod are set up, and the area of support can be improved according to the need, prevent the semi-trailer body from tilting and falling, make the semi-trailer body can keep balance and stability under the condition that there is no tractor, avoid the security problems such as inclination, collapse. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic view of the utility model;

[0016] Fig. 2 It is another visual angle structure schematic view of the utility model;

[0017] Fig. 3 It is the partial area structure section view in the utility model.

[0018] Sign significance: 1, semi-trailer body;2, fixed frame;3, cylinder push rod one;4, ground support one;5, motor;6, worm;7, rotating rod;8, worm gear;9, screw rod;10, threaded block;11, cylinder push rod two;12, ground support two;13, reinforcing plate;14, telescopic rod;15, antiskid pad;16, L-shaped support;17, limiting rod. DETAILED DESCRIPTION

[0019] The technical scheme of the utility model is further explained below in combination with the drawings and specific embodiments. EMBODIMENT

[0020] As Figs. 1 to 3As shown, the utility model provides a kind of high bearing capacity semitrailer supporting device, including semitrailer body 1, the left side of semitrailer body 1 is provided with two fixed frame 2, the left side of semitrailer body 1 is fixedly connected with the right side of fixed frame 2, the bottom surface of each fixed frame 2 is provided with multiple reinforcing plates 13, the bottom surface of fixed frame 2 is fixedly connected with the top surface of reinforcing plate 13, the right side of each reinforcing plate 13 is fixedly connected with the left side of semitrailer body 1, by being provided with reinforcing plate 13, it is convenient to assist support for fixed frame 2, the stable load of fixed frame 2, the inside of each fixed frame 2 is provided with cylinder push rod one 3, fixed frame 2 is fixedly connected with cylinder push rod one 3, the output end of each cylinder push rod one 3 is extended to the bottom surface of fixed frame 2 and is provided with ground support one 4, the output end of cylinder push rod one 3 is slidably connected with fixed frame 2, the output end of cylinder push rod one 3 is fixedly connected with the top surface of ground support one 4, the bottom surface of each fixed frame 2 and the top surface of corresponding ground support one 4 are provided with a group of telescopic rods 14 between, telescopic rod 14 is fixedly installed between fixed frame 2 and ground support one 4, the running track of ground support one 4 can be guided and limited by telescopic rod 14, and auxiliary support can also be carried out;

[0021] The right side of semitrailer body 1 is provided with motor 5, the right side of semitrailer body 1 is fixedly connected with the left side of motor 5, the output end of motor 5 is extended to the inside of mounting groove and is provided with worm 6, the output end of motor 5 is rotatably connected with semitrailer body 1, the output end of motor 5 is fixedly connected with the right end of worm 6, the left end of worm 6 is rotatably connected with the left side of mounting groove, to support and fix worm 6, the front and rear sides of semitrailer body 1 are rotatably provided with rotating rod 7, the middle end of rotating rod 7 is extended to mounting groove, the middle end outer circle of rotating rod 7 is provided with worm gear 8, the middle end outer circle of rotating rod 7 is fixedly connected with the inner circle of worm gear 8, worm gear 8 is located in the inside of mounting groove, worm 6 is rotatably connected with worm gear 8, the rotation of worm 6 can drive worm gear 8 to rotate, the rotation of worm gear 8 can drive rotating rod 7 to rotate, the front and rear ends of rotating rod 7 are provided with screw 9, and the thread directions of the two screws 9 are opposite;

[0022] The two ends of the rotating rod 7 are fixedly connected with corresponding screw rods 9, the front and rear sides of the semitrailer body 1 are both provided with L-shaped supports 16, the semitrailer body 1 is fixedly connected with the L-shaped supports 16, each L-shaped support 16 is rotatably connected with a corresponding screw rod 9, the L-shaped supports 16 are arranged to facilitate supporting and fixing the screw rods 9, the two ends of the two screw rods 9 close to each other are both threadedly connected with threaded blocks 10, the L-shaped support 16 and the semitrailer body 1 are both provided with limiting rods 17, the limiting rods 17 are fixedly installed between the L-shaped support 16 and the semitrailer body 1, each limiting rod 17 is slidably connected with a corresponding threaded block 10, the limiting rods 17 can guide and limit the running track of the threaded blocks 10, so that the threaded blocks 10 always keep a straight running state, when the rotating rod 7 drives the screw rods 9 to rotate, the two threaded blocks 10 can be driven to run away from each other, so that the supporting area can be adjusted and the stability can be improved, the bottom surface of each threaded block 10 is provided with a pneumatic cylinder push rod two 11, the bottom surface of the threaded block 10 is fixedly connected with the top end of the pneumatic cylinder push rod two 11, the output end of each pneumatic cylinder push rod two 11 is provided with a ground support two 12, the output end of the pneumatic cylinder push rod two 11 is fixedly connected with the top surface of the ground support two 12, the bottom surface of each ground support one 4 and the ground support two 12 is provided with an antiskid pad 15, the antiskid pads 15 can improve the stability of the support.

[0023] In the embodiment, when the device needs to be supported, the pneumatic cylinder push rod one 3 is operated, the output end of the pneumatic cylinder push rod one 3 can drive the ground support one 4 to move downward, so as to support the tail of the semitrailer body 1, then the motor 5 is operated, the output end of the motor 5 drives the worm 6 to rotate, the rotation of the worm 6 can drive the worm gear 8 to rotate, the rotation of the worm gear 8 can drive the rotating rod 7 to rotate, the rotation of the rotating rod 7 can drive the two screw rods 9 to rotate, the rotation of the two screw rods 9 can drive the two threaded blocks 10 to run in opposite directions along the screw rods 9, so as to drive the pneumatic cylinder push rod two 11 and the ground support two 12 to move to the front and rear sides, so as to improve the stability of the support, then the ground support two 12 is driven to move downward by operating the pneumatic cylinder push rod two 11, so as to support the head of the semitrailer body 1.

[0024] The above specific embodiments are only preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A high-load-bearing capacity semi-trailer support device, comprising a semi-trailer body (1), characterized in that: Two mounting brackets (2) are provided on the left side of the semi-trailer body (1). Each mounting bracket (2) has a cylinder push rod (3) inside. The output end of each cylinder push rod (3) extends through to the bottom surface of the mounting bracket (2) and is provided with a ground support (4). An installation groove is provided inside the right side of the semi-trailer body (1). A motor (5) is provided on the right side of the semi-trailer body (1). The output end of the motor (5) extends through to the inside of the installation groove and is provided with a worm gear (6). A rotating rod (7) is rotatably mounted on both the front and rear sides of the vehicle body (1). A worm wheel (8) is mounted on the outer ring of the middle end of the rotating rod (7). The worm (6) is meshed with the worm wheel (8). A screw (9) is mounted on both the front and rear ends of the rotating rod (7). A threaded block (10) is threaded to the end of each of the two screws (9) that is close to each other. A cylinder push rod (11) is mounted on the bottom surface of each threaded block (10). A ground support (12) is mounted on the output end of each cylinder push rod (11).

2. The high load-bearing capacity semi-trailer support device according to claim 1, characterized in that, Each of the fixed frames (2) has multiple reinforcing plates (13) on its bottom surface, and the right side of each reinforcing plate (13) is fixedly connected to the left side of the semi-trailer body (1).

3. A high-load-bearing capacity semi-trailer support device according to claim 1, characterized in that, A set of telescopic rods (14) is provided between the bottom surface of each of the fixed frames (2) and the top surface of the corresponding ground support (4).

4. A high-load-bearing capacity semi-trailer support device according to claim 1, characterized in that, Each of the ground support one (4) and ground support two (12) is provided with an anti-slip pad (15) on its bottom surface.

5. A high-load-bearing capacity semi-trailer support device according to claim 1, characterized in that, The left end of the worm (6) is rotatably connected to the left side of the mounting groove.

6. A high-load-bearing capacity semi-trailer support device according to claim 1, characterized in that, The middle end of the rotating rod (7) passes through the mounting groove.

7. A high-load-bearing capacity semi-trailer support device according to claim 1, characterized in that, The worm gear (8) is located inside the mounting slot.

8. A high-load-bearing capacity semi-trailer support device according to claim 1, characterized in that, The semi-trailer body (1) is provided with L-shaped brackets (16) on both the front and rear sides, and each L-shaped bracket (16) is rotatably connected to a corresponding screw (9).

9. A high-load-bearing capacity semi-trailer support device according to claim 8, characterized in that, Each of the L-shaped brackets (16) is provided with a limit rod (17) between it and the semi-trailer body (1), and each of the limit rods (17) is slidably connected to a corresponding threaded block (10).

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