Tractor fixing device

Abstract

The utility model belongs to the technical field of traction, and particularly relates to a tractor fixing device which comprises a fixing plate. A limiting seat is fixedly connected to the middle of the side wall of the fixing plate; the limiting seats are symmetrically arranged on the two sides of the fixing plate. A first threaded hole is formed in the middle of the side wall of the limiting seat; the plurality of first threaded holes are regularly arranged in the side wall of the limiting seat in a linear array; and a plurality of limiting blocks are rotationally matched with the inner side wall of the first threaded hole. Through the arrangement, the joint of the carriage and the tractor can be hooped by the hoop, the hoop can generate uniform pressure in the circumferential direction, and the uniform pressure distribution is beneficial to ensuring that the hook position between the tractor and the carriage is comprehensively fastened, so that connection looseness or damage caused by too large or too small local pressure is reduced; and through the fastening effect of the hoop, the risk of accidental unhooking caused by infirm connection between the tractor and the carriage can be reduced, so that the safety in the transportation process is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of towing, and specifically relates to a fixing device for a tractor. Background Art

[0002] A tractor is a heavy truck or trailer whose head and carriage are towed by a special tool. The head part can be detached from the original carriage to tow other carriages. At the same time, the carriage can also be detached from the original head and be towed by other heads. The head and the carriage are connected by a special connecting tool.

[0003] In the prior art, usually the front half of the trailer is placed on the fifth wheel at the rear of the tractor, and then the trailer and the tractor are connected together by a fixing device, so that the rear axle of the tractor can bear part of the weight of the trailer.

[0004] During long-term use and observation, it is found that during the process of using the tractor to drive the carriage to move, the connection between the carriage and the tractor lock is loosened or damaged due to excessive or too little local pressure at the connection.

[0005] Therefore, the utility model provides a fixing device for a tractor. Content of the Utility Model

[0006] In order to make up for the deficiencies of the prior art and solve at least one problem raised in the background art, a fixing device for a tractor is proposed.

[0007] The technical solution adopted by the utility model to solve its technical problems is as follows: A fixing device for a tractor of the utility model includes a fixing plate; a limiting seat is fixedly connected to the middle of the side wall of the fixing plate; the limiting seats are a pair and symmetrically arranged on both sides of the fixing plate; a first threaded hole is opened in the middle of the side wall of the limiting seat; there are multiple first threaded holes and they are regularly arranged in a linear array on the side wall of the limiting seat; a plurality of limiting blocks are rotatably fitted to the inner side wall of the first threaded hole; the first threaded hole and the limiting block are threadedly connected; a connecting seat is arranged between the plurality of limiting blocks; a buckle ring is fixedly connected to the middle of the side wall of the connecting seat; a plurality of springs are fixedly connected to the middle of the side wall of the fixing plate; the other end of the spring is fixedly connected to a clamp; a pair of second threaded holes are opened in the middle of the side wall of the clamp; a screw rod is rotatably connected to the middle of the inner side wall of the second threaded hole; the second threaded hole and the screw rod are threadedly connected; a nut is rotatably fitted to the middle of the side wall of the screw rod; the nut and the screw rod are threadedly connected; in this step, by setting the clamp, the second threaded hole, the screw rod and the nut, the connection between the carriage and the tractor can be clamped by the clamp. The clamp can generate uniform pressure in the circumferential direction. This uniform pressure distribution helps to ensure that the hook between the tractor and the carriage is fully tightened, reducing the connection looseness or damage caused by excessive or too small local pressure. And through the fastening effect of the clamp, the risk of accidental decoupling between the tractor and the carriage due to insecure connection can be reduced, thus ensuring safety during transportation. At the same time, in this setting, in the case of emergency braking or turning of the tractor, the stable connection of the clamp can reduce the accident hidden danger caused by the loosening or falling off of the hook, protecting the safety of personnel and goods.

[0008] Preferably, an elastic rod is fixedly connected to the middle of the side wall of the clamp; there are multiple elastic rods and they are regularly arranged in a circumferential array on the side wall of the clamp; the elastic rod is made of an elastic material; the other end of the elastic rod is fixedly connected to a pressing block; in this step, by setting the elastic rod and the pressing block, when using the tractor to hook the carriage, one side of the carriage can be fixed, making the connection between the carriage and the tractor more stable, reducing the shaking caused by uneven road surface or vehicle speed change during driving, improving the driving stability, and the stable connection can reduce the wear caused by the relative movement between the carriage and the tractor, extending the service life of the vehicle.

[0009] Preferably, a fixing rod is fixedly connected between the pair of limit seats; the middle part of the side wall of the fixing rod is rotatably connected to the limit plate; a torsion spring is provided between the fixing rod and the limit plate; in this step, the fixing rod and the limit plate are provided, and the limit plate can generate a continuous locking force through the design principle of the torsion spring clamp, so as to ensure that the connection between the tractor and the carriage is more stable, and prevent the connection from loosening or disengaging due to vibration, bumps and other factors during driving of the vehicle, and the locking function of the torsion spring clamp can reduce the risk of accidental uncoupling due to loose connection, and when the vehicle is emergency braked, turns sharply or encounters an emergency, the stable connection can ensure that the carriage will not be separated from the tractor, thereby avoiding possible traffic accidents.

[0010] Preferably, an elastic net is fixedly connected to the middle of the side wall of the fixed plate; the other end of the elastic net is fixedly connected to a clamp; the elastic net is made of elastic material; the elastic net cover is arranged on the side wall of the fixed plate; in this step, by arranging the elastic net, a physical barrier can be formed at the connection between the tractor and the carriage, reducing the entry of dust, thereby protecting the connecting parts from damage.

[0011] Preferably, an elastic strip is fixedly connected to the middle of the side wall of the limit block; the other end of the elastic strip is fixedly connected to the buckle; the elastic strip is made of elastic material; this step, by providing the elastic strip, can prevent the buckle from cracking due to uneven force, thereby enhancing the connection strength between the tractor and the carriage and reducing the risk of carriage deviation or loss of control.

[0012] Preferably, an elastic pad is fixedly connected to the middle of the side wall of the pressing block; the elastic pad is made of anti-slip material; this step increases the friction between the pressing block and the surface of the carriage by providing the elastic pad, preventing the pressing block from falling or moving due to sliding or other factors during the pressing process.

[0013] Preferably, a magnetic block is fixedly connected to the middle part of the side wall of the fixed plate; the magnetic block is arranged between a pair of limit seats; the magnetic block is arranged in this step, and the connecting seat can be firmly fixed on the fixed plate by the suction force of the magnetic block, thereby reducing the unstable connection between the tractor and the carriage due to the falling off of the connecting seat, and then causing the carriage and the tractor to be accidentally separated during driving, thereby causing traffic accidents.

[0014] The beneficial effects of the utility model are as follows:

[0015] 1. A fixing device for a tractor of the present utility model can fasten the connection between the carriage and the tractor by setting a clamp, a second threaded hole, a screw rod and a nut. The clamp can generate uniform pressure in the circumferential direction, and this uniform pressure distribution helps to ensure that the hook between the tractor and the carriage is fully tightened, reducing connection looseness or damage caused by excessive or insufficient local pressure. Moreover, due to the fastening effect of the clamp, the risk of accidental decoupling between the tractor and the carriage due to insecure connection can be reduced, thus ensuring safety during transportation. At the same time, in the case of emergency braking or turning of the tractor, the stable connection of the clamp can reduce accident hazards caused by the loosening or falling off of the hook, protecting the safety of personnel and goods.

[0016] 2. A fixing device for a tractor of the present utility model can fix one side of the carriage when using the tractor to hook the carriage by setting an elastic rod and a pressing block, making the connection between the carriage and the tractor more stable, reducing the shaking caused by uneven road surfaces or speed changes during driving, improving the driving stability, and the stable connection can reduce the wear caused by relative movement between the carriage and the tractor, extending the service life of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present utility model will be further described below with reference to the accompanying drawings.

[0018] Figure 1 is a perspective view of the present utility model;

[0019] Figure 2 is a schematic diagram of the mating structure of the buckle and the limiting plate in the present utility model;

[0020] Figure 3 is a schematic diagram of the mating structure of the buckle and the clamp in the present utility model;

[0021] Figure 4 is a schematic diagram of the mating structure of the elastic strip and the buckle in the present utility model;

[0022] LEGEND DESCRIPTION:

[0023] 1. Fixed plate; 11. Limiting seat; 12. First threaded hole; 13. Limiting block; 14. Connection seat; 15. Buckle; 16. Spring; 17. Clamp; 18. Second threaded hole; 19. Screw rod; 110. Nut; 2. Elastic rod; 21. Pressing block; 3. Fixed rod; 31. Limiting plate; 4. Elastic net; 5. Elastic strip; 6. Elastic pad; 7. Magnetic block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts fall within the protection scope of the present utility model.

[0025] Specific embodiments are given below.

[0026] As Figures 1 to 4As shown in the figure, a fixed device for a tractor according to an embodiment of the present utility model includes a fixing plate 1; a limiting seat 11 is fixedly connected to the middle of the side wall of the fixing plate 1; the limiting seats 11 are a pair and symmetrically arranged on both sides of the fixing plate 1; a first threaded hole 12 is formed in the middle of the side wall of the limiting seat 11; the first threaded holes 12 are multiple and are regularly arranged in a linear array on the side wall of the limiting seat 11; a plurality of limiting blocks 13 are rotatably fitted to the inner side wall of the first threaded hole 12; the first threaded hole 12 and the limiting block 13 are threadedly connected; a connecting seat 14 is provided between the plurality of limiting blocks 13; a buckle 15 is fixedly connected to the middle of the side wall of the connecting seat 14; a plurality of springs 16 are fixedly connected to the middle of the side wall of the fixing plate 1; the other end of the spring 16 is fixedly connected to a clamp 17; a pair of second threaded holes 18 are formed in the middle of the side wall of the clamp 17; a screw rod 19 is rotatably connected to the middle of the inner side wall of the second threaded hole 18; the second threaded hole 18 and the screw rod 19 are threadedly connected; a nut 110 is rotatably fitted to the middle of the side wall of the screw rod 19; the nut 110 and the screw rod 19 are threadedly connected; during operation, the staff welds the fixing plate 1 to the tractor, then moves the buckle 15 to an appropriate height according to the height of the carriage to be towed, then inserts a plurality of limiting blocks 13 into the corresponding first threaded hole 12 to fix the connecting seat 14, and at this time the position of the buckle 15 is also fixed accordingly. Then, the staff locks the hook on the carriage to be towed to the buckle 15 to fix the tractor and the carriage together. At this time, the staff pulls a plurality of springs 16 so that the clamp 17 covers the locking part of the carriage and the tractor. Then, the screw rod 19 is passed through the second threaded hole 18, and the screw rod 19 is fixed with the nut 110. At this time, the clamp 17 will tightly clamp the hook of the carriage. This step, by setting the clamp 17, the second threaded hole 18, the screw rod 19 and the nut 110, can clamp the connection part of the carriage and the tractor with the clamp 17. The clamp 17 can generate uniform pressure in the circumferential direction. This uniform pressure distribution helps to ensure that the hook part between the tractor and the carriage is fully tightened, reducing the risk of connection loosening or damage caused by excessive or too little local pressure. And through the fastening effect of the clamp 17, the risk of accidental unhooking between the tractor and the carriage due to insecure connection can be reduced, thus ensuring safety during transportation. At the same time, in the case of emergency braking or turning of the tractor, etc., the stable connection of the clamp 17 can reduce the accident hidden danger caused by the loosening or falling off of the hook, protecting the safety of personnel and goods.

[0027] As Figure 1 and Figure 2As shown, an elastic rod 2 is fixedly connected to the middle of the side wall of the clamp 17; the elastic rod 2 is multiple and is regularly arranged in a circular array on the side wall of the clamp 17; the elastic rod 2 is made of elastic material; a pressing block 21 is fixedly connected to the other end of the elastic rod 2; during operation, when the clamp 17 clamps the hook of the carriage, multiple pressing blocks 21 will press against the side wall of the carriage, and at this time, the pressing block 21 will be tightly pressed on the carriage under the action of the elastic rod 2. In this step, by arranging the elastic rod 2 and the pressing block 21, one side of the carriage can be fixed when the tractor is used to hang the carriage, so that the connection between the carriage and the tractor is more stable, reducing the shaking caused by uneven road surface or speed changes during driving, improving the driving stability, and the stable connection can reduce the wear caused by relative movement between the carriage and the tractor, thereby extending the service life of the vehicle.

[0028] like Figure 2 and Figure 4 The locking plate 31 is provided to prevent the vehicle from being accidentally unhooked when the vehicle is in a state of being pulled out of the way.

[0029] like Figure 1 As shown, an elastic net 4 is fixedly connected to the middle of the side wall of the fixing plate 1; the other end of the elastic net 4 is fixedly connected to the clamp 17; the elastic net 4 is made of elastic material; the elastic net 4 is covered on the side wall of the fixing plate 1; when working, when the clamp 17 tightly clamps the hook of the carriage, the clamp 17 will pull the elastic net 4, causing the elastic net 4 to deform, and at this time the elastic net 4 will cover the connection between the tractor and the carriage. In this step, by setting the elastic net 4, a physical barrier can be formed at the connection between the tractor and the carriage to reduce the entry of dust, thereby protecting the connecting parts from damage.

[0030] like Figure 2 and Figure 4As shown, an elastic strip 5 is fixedly connected to the middle of the side wall of the limit block 13; the other end of the elastic strip 5 is fixedly connected to the buckle 15; the elastic strip 5 is made of an elastic material; during operation, when multiple limit blocks 13 fix the connecting seat 14 and the buckle 15, the elastic strip 5 fixedly connected to the limit block 13 will tightly pull the buckle 15 to support the buckle 15. By setting the elastic strip 5 in this step, it can prevent the buckle 15 from cracking due to uneven force, thereby enhancing the connection strength between the tractor and the carriage and reducing the risk of carriage offset or out of control.

[0031] As Figure 1 and Figure 2 shown, an elastic pad 6 is fixedly connected to the middle of the side wall of the pressing block 21; the elastic pad 6 is made of a non-slip material; by setting the elastic pad 6 in this step, it can increase the friction between the pressing block 21 and the carriage surface and prevent the pressing block 21 from falling or moving during the pressing process due to sliding or other factors.

[0032] As Figure 2 and Figure 4 shown, a magnetic block 7 is fixedly connected to the middle of the side wall of the fixing plate 1; the magnetic block 7 is arranged between a pair of limit seats 11; by setting the magnetic block 7 in this step, the connecting seat 14 can be stably fixed on the fixing plate 1 by the suction force of the magnetic block 7, reducing the instability of the connection between the tractor and the carriage caused by the detachment of the connecting seat 14, and further preventing the carriage from accidentally separating from the tractor during the driving process, thus causing a traffic accident.

[0033] Working principle: The staff welds the fixed plate 1 on the tractor, then moves the buckle 15 to an appropriate height according to the height of the carriage to be towed. Subsequently, a plurality of limit blocks 13 are inserted into the corresponding first threaded holes 12 to fix the connecting seat 14. At this time, the position of the buckle 15 is also fixed. Then, the staff locks the hook on the carriage to be towed onto the buckle 15 to fix the tractor and the carriage together. At this time, the staff pulls a plurality of springs 16 so that the clamp 17 covers the locking part of the carriage and the tractor. Then, the screw rod 19 is passed through the second threaded hole 18, and the screw rod 19 is fixed with a nut 110. At this time, the clamp 17 will tightly clamp the hook of the carriage. When the clamp 17 clamps the hook of the carriage, a plurality of pressing blocks 21 will abut against the side wall of the carriage. At this time, the pressing blocks 21 will be tightly pressed against the carriage under the action of the elastic rod 2. The staff rotates the limit plate 31, then locks the hook on the carriage to be towed onto the buckle 15, and then releases the control of the limit plate 31. The limit plate 31 buckles on the hook under the action of the torsion spring. When the clamp 17 tightly clamps the hook of the carriage, the clamp 17 will pull the elastic net 4. When a plurality of limit blocks 13 fix the connecting seat 14 and the buckle 15, the elastic strip 5 fixed on the limit block 13 will tightly pull the buckle 15 to support the buckle 15, causing the elastic net 4 to deform. At this time, the elastic net 4 will cover the connection part between the tractor and the carriage. By setting the elastic pad 6, the friction between the pressing block 21 and the carriage surface can be increased to prevent the pressing block 21 from falling or moving due to sliding or other factors during the pressing process. Setting the magnetic block 7 can firmly fix the connecting seat 14 on the fixed plate 1 through the suction force of the magnetic block 7, reducing the unstable connection between the tractor and the carriage caused by the detachment of the connecting seat 14, and further preventing the carriage from accidentally separating from the tractor during the driving process, thus causing traffic accidents.

[0034] The above shows and describes the basic principle, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principle of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the present utility model claimed. The scope of protection claimed by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A tractor fixing device, comprising a fixing plate (1); characterized in that: A limiting seat (11) is fixedly connected to the middle of the side wall of the fixing plate (1); the limiting seats (11) are a pair and are symmetrically arranged on both sides of the fixing plate (1); a first threaded hole (12) is opened in the middle of the side wall of the limiting seat (11); the first threaded holes (12) are multiple and are regularly arranged in a linear array on the side wall of the limiting seat (11); a plurality of limiting blocks (13) are rotatably matched with the inner side wall of the first threaded hole (12); the first threaded hole (12) and the limiting block (13) are threadedly connected; a connecting seat (14) is provided between the multiple limiting blocks (13); the A buckle ring (15) is fixedly connected to the middle of the side wall of the connecting seat (14); a plurality of springs (16) are fixedly connected to the middle of the side wall of the fixing plate (1); a clamp (17) is fixedly connected to the other end of the spring (16); a pair of second threaded holes (18) are opened in the middle of the side wall of the clamp (17); a screw rod (19) is rotatably connected to the middle of the inner side wall of the second threaded hole (18); the second threaded hole (18) and the screw rod (19) are threadedly connected; a nut (110) is rotatably matched with the middle of the side wall of the screw rod (19); the nut (110) and the screw rod (19) are threadedly connected.

2. A tractor fixing device according to claim 1, characterized in that: An elastic rod (2) is fixedly connected to the middle of the side wall of the clamp (17); the elastic rods (2) are multiple and are regularly arranged in a circular array on the side wall of the clamp (17); the elastic rods (2) are made of elastic material; and a pressing block (21) is fixedly connected to the other end of the elastic rod (2).

3. A tractor fixing device according to claim 1, characterized in that: A fixing rod (3) is fixedly connected between a pair of limiting seats (11); the middle part of the side wall of the fixing rod (3) is rotatably connected to the limiting plate (31); and a torsion spring is provided between the fixing rod (3) and the limiting plate (31).

4. A tractor fixing device according to claim 1, characterized in that: An elastic net (4) is fixedly connected to the middle of the side wall of the fixed plate (1); the other end of the elastic net (4) is fixedly connected to a clamp (17); the elastic net (4) is made of elastic material; and the elastic net (4) is covered on the side wall of the fixed plate (1).

5. A tractor fixing device according to claim 1, characterized in that: An elastic strip (5) is fixedly connected to the middle of the side wall of the limiting block (13); the other end of the elastic strip (5) is fixedly connected to the buckle (15); the elastic strip (5) is made of elastic material.

6. A tractor fixing device according to claim 2, characterized in that: An elastic pad (6) is fixedly connected to the middle of the side wall of the pressing block (21); the elastic pad (6) is made of anti-slip material.

7. A tractor fixing device according to claim 4, characterized in that: A magnetic block (7) is fixedly connected to the middle of the side wall of the fixed plate (1); the magnetic block (7) is arranged between a pair of limiting seats (11).

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