CN115626013B

CN115626013B - Vehicle traction device

Info

Publication number: CN115626013B
Application number: CN202211343457.3A
Authority: CN
Inventors: 张厚华
Original assignee: Xuzhou De Gao Electric Vehicle Technology Co ltd
Current assignee: Xuzhou De Gao Electric Vehicle Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-09-26
Anticipated expiration: 2042-10-31
Also published as: CN115626013A

Abstract

The invention discloses a vehicle traction device, which belongs to the technical field of tractors and comprises a connector for connecting a traction vehicle and a transverse shaft for connecting a carriage, wherein a first connector and a second connector are respectively arranged in the middle of the connector and the middle of the transverse shaft, two ends of the transverse shaft are respectively hinged with oil cylinders, and one ends of the two oil cylinders far away from the transverse shaft are hinged on the connector. The first connector and the second connector can rotate mutually, the tractor can pull the carriage to move through the first connector and the second connector, when emergency braking occurs, the traction device can apply thrust to two sides of the tractor, and can apply corrective force to the tractor while buffering, so that the probability of turning over is reduced, and vehicles and personnel on the vehicles are effectively protected.

Description

Vehicle traction device

Technical Field

The invention relates to a vehicle traction device, and belongs to the technical field of tractors.

Background

The device connected between the tractor and the carriage is a traction device, the buffer effect of the traction device is poor in the moving process of a common traction vehicle, the traction device is easy to damage when the vehicle encounters a bumpy road section in the driving process, when the vehicle is in the driving process, the carriage is used for containing goods and the mass of the carriage is heavier, therefore, the weight of the towed carriage is generally larger than that of the traction vehicle, when the vehicle is braked suddenly, the tractor is braked more easily, the carriage can apply a thrust to the traction vehicle, and in the state, if the vehicle is in a turning state, the vehicle is easy to turn over due to inertia.

Disclosure of Invention

In view of the above problems with the prior art, the present invention provides a vehicle traction device that can have a corrective function.

In order to achieve the above purpose, the present invention adopts the following technical scheme: the vehicle traction device comprises a connector for connecting a traction vehicle and a transverse shaft for connecting a carriage, wherein a first connector and a second connector are respectively arranged in the middle of the connector and the middle of the transverse shaft, one end of the first connector, which is far away from the connector, is hinged with one end of the second connector, which is far away from the transverse shaft, through a hinge lug, two ends of the transverse shaft are respectively hinged with an oil cylinder, and one ends of the two oil cylinders, which are far away from the transverse shaft, are hinged on the connector;

the first connecting body and the second connecting body are both telescopic rods which can be shortened, when the telescopic rods are in a shortened state, the oil cylinders have elastic potential energy, and when the telescopic rods are stretched to a limit state, the two oil cylinders do not have elastic potential energy.

Preferably, the connector is internally provided with an inner cavity with an opening, a clamping ball is arranged in the inner cavity, the clamping ball can rotate in the inner cavity through cylinders fixed at two ends of the clamping ball, the oil cylinder and the first connecting body are both arranged on the clamping ball, and the oil cylinder and the first connecting body can swing up and down along the axis of the cylinders.

Preferably, both ends of the inner cavity are provided with clamping grooves, the length directions of the clamping grooves are parallel to the axial direction of the cylinders, clamping sleeves are slidably arranged in the two clamping grooves, and the two cylinders are respectively rotationally clamped in the clamping sleeves.

Preferably, the clamping plates are fixed at two ends of the inner cavity, the clamping grooves are formed in the middle of the fixed clamping plates, the U-shaped plate sliding along the length direction of the first connector is slidably mounted in the inner cavity, the U-shaped plate comprises a bottom plate and two side plates, and the two side plates can be embedded between the connector and the clamping sleeve.

Preferably, the first connecting body comprises a first inner rod, a first elastic body and a first outer sleeve, one end of the first inner rod, far away from the connector, is inserted into the first outer sleeve, a protruding shaft is arranged in the middle of the first inner rod, the first elastic body is sleeved on the outer part of the first inner rod, and the upper end and the lower end of the first elastic body are respectively abutted to the protruding shaft and the first outer sleeve.

Preferably, the second connector comprises a second inner rod and a second outer sleeve, a hinge lug is arranged at the joint of the first outer sleeve and the second inner rod, one end of the second inner rod, far away from the hinge lug, is inserted into the second outer sleeve, a first oil storage cavity is formed in the second outer sleeve, a piston body is slidably mounted in the first oil storage cavity, and the piston body is fixedly mounted at the end part of the second inner rod.

Preferably, the inside of cross axle is equipped with the second oil storage chamber, the inside of sliding sleeve is equipped with the third oil storage chamber, first oil storage chamber, third oil storage chamber all communicate with the second oil storage chamber, the inside both sides of second oil storage chamber all slidable mounting has compression subassembly, compression subassembly's both ends all are equipped with sealed the pad, two be equipped with the connecting rod between the compression subassembly, the connecting rod is fixed with arbitrary compression subassembly.

Preferably, the compression assembly comprises two oil baffles and a second elastomer connected between the two oil baffles.

Preferably, the supporting blocks are fixed at two ends of the transverse shaft, the supporting blocks are integrally formed with the transverse shaft, the sliding sleeve is hinged to the supporting blocks, through holes are formed in the supporting blocks, the through holes are communicated with one corresponding end of the second oil storage cavity, short shafts which are symmetrically arranged are arranged at the ends of the sliding sleeve, the two short shafts are respectively clamped inside the two through holes, an oil inlet duct is formed in the sliding sleeve, and one end of the oil inlet duct is communicated with the third oil storage cavity, and the other end of the oil inlet duct is communicated with the through holes.

Preferably, a fixing bolt is connected to the shell of the connector in a threaded mode, and the inner end of the fixing bolt abuts against the U-shaped plate.

Compared with the prior art, the connector is arranged on the traction vehicle, the transverse shaft is arranged on the carriage of the vehicle, the connector and the transverse shaft are connected through the first connector and the second connector, the first connector and the second connector can rotate mutually, the tractor can pull the carriage to move through the first connector and the second connector, the oil cylinders are arranged on two sides of the connector and the transverse shaft, and when the vehicle runs normally straight or turns, the two oil cylinders do not play a role in blocking, and when the carriage applies pressure to the tractor, the two oil cylinders simultaneously have elastic potential energy, apply thrust to two sides of the tractor, apply corrective force to the tractor while playing a role in buffering, so that the probability of turning over the vehicle is reduced, and the vehicle and personnel on the vehicle are effectively protected.

Drawings

Fig. 1 is a schematic structural view of the traction device.

Fig. 2 is a front view of the present traction device.

Fig. 3 is a state diagram of the traction device of the vehicle of the present invention in a cornering situation.

Fig. 4 is an internal cross-sectional view of the traction device of the present invention.

FIG. 5 is a cross-sectional view taken at A-A of FIG. 4 in accordance with the present invention.

Fig. 6 is an exploded view of the connection of the snap ball and the cross shaft of the present invention.

In the figure: 1. the connector comprises a connector, 2, a first connecting body, 201, a first inner rod, 202, a first elastic body, 203, a first outer sleeve, 3, an oil cylinder, 301, a sliding rod, 302, a sliding sleeve, 303, a third oil storage cavity, 4, a second connecting body, 401, a second inner rod, 402, a piston body, 403, a first oil storage cavity, 404, a second outer sleeve, 5, a transverse shaft, 6, a hinge lug, 7, a clamping ball, 8, a supporting block, 9, a fixing bolt, 10, a U-shaped plate, 11, a clamping sleeve, 12, a second oil storage cavity, 13, an oil isolation plate, 14, a second elastic body, 15, an inner cavity, 16, an oil inlet channel, 17, a through hole, 18, a cylinder, 19, a clamping plate, 20, a clamping groove, 21 and a connecting rod.

Detailed Description

The invention is illustrated below by means of specific examples, without however limiting the invention.

Examples

As shown in fig. 1-6, in this embodiment, a vehicle traction device is provided, including a connector 1 for connecting a traction vehicle and a cross shaft 5 for connecting a carriage, the cross shaft 5 is in a round shaft shape, a supporting device for supporting the cross shaft 5 is installed on the carriage, the cross shaft 5 can rotate on the supporting device at will, the cross shaft 5 and the supporting device are simply connected in a rotating manner, so that the invention is not specifically explained, a first connector 2 and a second connector 4 are installed in the middle of the connector 1 and in the middle of the cross shaft 5 respectively, an inner cavity 15 with an opening is provided in the connector 1, a clamping ball 7 is provided in the inner cavity 15, the clamping ball 7 can rotate in the inner cavity 15 through a cylinder 18 fixed at two ends of the clamping ball, the cylinder 3 and the first connector 2 are both installed on the clamping ball 7, the cylinder 3 and the first connector 2 can swing up and down along the cylinder 18 axes at two ends of the clamping ball 7, the clamping ball 7 is clamped in the inner cavity 15, the first connecting body 2 is fixed on the clamping ball 7, the opening of the inner cavity 15 is connected to the outside, clamping grooves 20 are respectively arranged at two ends of the inner cavity 15, the length direction of the clamping grooves 20 is parallel to the axial direction of the cylinders 18, the clamping ball 7 is in the shape of an elliptic sphere, two cylinders 18 are arranged at two long end parts of the elliptic sphere, the first connecting body 2 is arranged at one side of the middle of the clamping ball 7, a clamping sleeve 11 is respectively and slidably arranged in the two clamping grooves 20, the two cylinders 18 are respectively and rotatably clamped in the clamping sleeve 11, one side of the clamping sleeve 11 close to the clamping ball 7 is an arc surface, a mounting hole is formed in the clamping sleeve 11, the cylinders 18 extend into the mounting hole, bearings are arranged in the mounting hole, the clamping ball 7 is rotatably arranged in the mounting hole through the cylinders 18, clamping plates 19 are respectively and fixedly arranged at two ends of the inner cavity 15, the clamping groove 20 is formed in the middle of the fixing clamping plate 19, the U-shaped plate 10 sliding along the length direction of the first connecting body 2 is slidably installed in the inner cavity 15, the U-shaped plate 10 comprises a bottom plate and two side plates, the two side plates can be embedded between the connector 1 and the clamping sleeve 11, when the two side plates on the U-shaped plate 10 are clamped between the connector 1 and the clamping sleeve 11, the clamping sleeve 11 is clamped tightly, the clamping sleeve 11 cannot slide, the clamping ball 7 is fixed inside the connector 1, the fixing bolt 9 is connected to the shell of the connector 1 in a threaded manner, the inner end of the fixing bolt 9 abuts against the U-shaped plate 10, and when the fixing bolt 9 is screwed, the fixing bolt 9 can drive the U-shaped plate 10 to slide, so that the two side plates of the U-shaped plate 10 are embedded between the connector 1 and the clamping sleeve 11.

One end of the first connecting body 2 far away from the connector 1 is hinged with one end of the second connecting body 4 far away from the transverse shaft 5 through a hinge lug 6, two ends of the transverse shaft 5 are respectively hinged with an oil cylinder 3, each oil cylinder 3 comprises a sliding rod 301 and a sliding sleeve 302, one end of each oil cylinder 3 far away from the transverse shaft 5 is hinged on the connector 1, each oil cylinder 3 is hinged at two ends of a clamping ball 7 in the connector 1, each first connecting body 2 comprises a first inner rod 201, a first elastic body 202 and a first outer sleeve 203, one end of each first inner rod 201 far away from the connector 1 is inserted into the first outer sleeve 203, a convex shaft is arranged in the middle of each first inner rod 201, each first elastic body 202 is sleeved outside each first inner rod 201, the upper end and the lower end of each first elastic body 202 are respectively abutted against the convex shaft and the first outer sleeve 203, each first connecting body 2 has a buffering function, when a vehicle runs slightly jolt, a traction vehicle and the carriage are displaced, and the first connecting body 2 can play a role in buffering; the second connecting body 4 comprises a second inner rod 401 and a second outer sleeve 404, the joint of the first outer sleeve 203 and the second inner rod 401 is provided with a hinge lug 6, one end of the second inner rod 401 far away from the hinge lug 6 is inserted into the second outer sleeve 404, and the second inner rod 401 can slide in the second outer sleeve 404, so that the second connecting body 4 has a telescopic function.

The first connecting body 2 and the second connecting body 4 are both telescopic rods which can be shortened, when the telescopic rods are in a shortened state, the oil cylinders 3 have elastic potential energy, when the telescopic rods are stretched to a limit state, the two oil cylinders 3 do not have elastic potential energy, a first oil storage cavity 403 is formed in the second outer sleeve 404, a piston body 402 is slidably mounted in the first oil storage cavity 403, the piston body 402 is fixedly mounted at the end part of the second inner rod 401, a second oil storage cavity 12 is arranged in the transverse shaft 5, a third oil storage cavity 303 is arranged in the sliding sleeve 302, the first oil storage cavity 403 and the third oil storage cavity 303 are communicated with the second oil storage cavity 12, compression assemblies are slidably mounted on two sides of the inside of the second oil storage cavity 12, when a vehicle turns in a normal running state, the oil cylinder 3 close to the turning inner bending side is shortened, the sliding rod 301 at the corresponding side slides towards the inside of the sliding sleeve 302, hydraulic oil in the third oil storage cavity 303 is injected into the inner cavity 15, two compression assemblies in the inner cavity 15 are pushed to one side of the other oil cylinder 3 by the hydraulic oil, the oil cylinder 3 close to the inner bending side of the turning is stretched, the internal hydraulic oil only flows between the first oil storage cavity 403 and the third oil storage cavity 303, the generated resistance is small, no influence is caused on the turning of the vehicle, sealing gaskets are arranged at two ends of the compression assemblies, a connecting rod 21 is arranged between the two compression assemblies, the connecting rod 21 is fixed with any compression assembly, the compression assemblies comprise two oil separation plates 13 and a second elastic body 14 connected between the two oil separation plates 13, the two ends of the transverse shaft 5 are all fixed with supporting blocks 8, the supporting blocks 8 are integrally formed with the transverse shaft 5, the sliding sleeve 302 and the supporting blocks 8 are hinged, the through hole 17 has been seted up to the inside of supporting shoe 8, the through hole 17 communicates with the corresponding one end of second oil storage chamber 12, the tip of sliding sleeve 302 is equipped with symmetrical arrangement's minor axis, two the minor axis joint is inside two through holes 17 respectively, the inside of sliding sleeve 302 is equipped with oil inlet duct 16, oil inlet duct 16's one end and the other end and through hole 17 intercommunication of third oil storage chamber 303, when the carriage applys pressure to the tractor, first connector 2 and second connector 4 all can shorten, when second connector 4 shortens, second inner rod 401 can slide towards the inside of first oil storage chamber 403, hydraulic oil in the inside of first oil storage chamber 403 is poured into between two compression assembly in the second oil storage chamber 12, promote compression assembly to both sides slip, under the promotion of second elastomer 14 and oil pressure, the inside pressure of third oil storage chamber 303 increases, promote 301 outwards to slide and exert thrust to the both sides of tractor, also can apply the force to the tractor correction when playing the buffering, the probability that makes the vehicle reduces, the effective personnel of having protected the vehicle overturns.

When in use, the utility model is characterized in that: the connector 1 is fixed at the tail end of the tractor, the fixing mode of the connector 1 can be the prior art through welding or bolt fixing and the like, so the invention does not specifically describe, the transverse shaft 5 is arranged at the front end of the carriage, when the tractor pulls the carriage to run in a normal straight line and a curve through the traction device, the connector 1 pulls the carriage through the first connecting body 2 and the second connecting body 4, the first connecting body 2 and the second connecting body 4 are in a stretching limit state, under the condition that the oil cylinders 3 are in two states, the two oil cylinders 3 are always symmetrical when the vehicle runs in a straight line, the extension length of the sliding rods 301 of the two oil cylinders 3 is always kept unchanged when the vehicle runs in a straight line, and the angle distribution is formed between the first connecting body 2 and the second connecting body 4 when the vehicle runs in a curve, one oil cylinder 3 is contracted, hydraulic oil in the contracted oil cylinder 3 is injected into the second oil storage cavity 12, and at the moment, the two oil cylinders 3 are in the contracted and stretched state, but the two oil cylinders 3 have no blocking effect on the turning of the vehicle.

Because the weight of the carriage is heavier, the tractor is easier to brake when the vehicle is braked suddenly, the carriage can apply a thrust to the tractor, in the state, if the vehicle is in a turning state, the vehicle is easy to roll over due to inertia, in the invention, when the carriage applies the thrust to the tractor, the first connecting body 2 and the second connecting body 4 are both shortened, when the second connecting body 4 is shortened, the second inner rod 401 slides towards the inside of the first oil storage cavity 403, hydraulic oil in the first oil storage cavity 403 is injected between two compression assemblies in the second oil storage cavity 12, the compression assemblies are pushed to slide towards two sides, the pressure in the third oil storage cavity 303 is increased under the pushing of the second elastic body 14 and the oil pressure, the sliding rod 301 is pushed to slide outwards, the thrust is applied to two sides of the tractor, and the corrected force is applied to the tractor when the carriage is buffered, so that the probability of rolling over is reduced, and personnel on the vehicle and the vehicle are effectively protected.

Finally, it should be noted that the above-mentioned embodiments only illustrate rather than limit the technical solution of the present invention, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the present invention may be modified or equivalently replaced without departing from the spirit and scope of the present invention, and any modification or partial replacement thereof should be included in the scope of the claims of the present invention.

Claims

1. The vehicle traction device is characterized by comprising a connector (1) for connecting a traction vehicle and a transverse shaft (5) for connecting a carriage, wherein a first connector (2) and a second connector (4) are respectively arranged in the middle of the connector (1) and the middle of the transverse shaft (5), the first connector (2) and the second connector (4) are hinged through a hinge lug (6), two ends of the transverse shaft (5) are respectively hinged with an oil cylinder (3), one end, far away from the transverse shaft (5), of each oil cylinder (3) is hinged on the connector (1), and each oil cylinder (3) comprises a sliding rod (301) and a sliding sleeve (302);

the first connecting body (2) and the second connecting body (4) are telescopic rods which can be shortened, when the telescopic rods are in a shortened state, the oil cylinder (3) has elastic potential energy, and when the telescopic rods are stretched to a limit state, the oil cylinder (3) does not have elastic potential energy;

the connector is characterized in that an inner cavity (15) with an opening is arranged in the connector (1), a clamping ball (7) is arranged in the inner cavity (15), the clamping ball (7) can rotate in the inner cavity (15) through a cylinder (18) fixed at two ends of the clamping ball, the oil cylinder (3) and the first connecting body (2) are both arranged on the clamping ball (7), and the oil cylinder (3) and the first connecting body (2) can swing along the axis of the cylinder (18);

clamping grooves (20) are formed in two ends of the inner cavity (15), the length direction of each clamping groove (20) is parallel to the axis direction of each cylinder (18), clamping sleeves (11) are slidably arranged in the two clamping grooves (20), and the two cylinders (18) are rotatably clamped in the clamping sleeves (11) respectively;

cardboard (19) are all fixed at both ends of inner chamber (15), the middle part at fixed cardboard (19) is seted up to draw-in groove (20), slidable mounting has U shaped board (10) along first connector (2) length direction in inner chamber (15), U shaped board (10) include a bottom plate and two curb plates, and two curb plates can imbed between connector (1) and cutting ferrule (11).

2. The vehicle traction device according to claim 1, wherein the first connecting body (2) comprises a first inner rod (201), a first elastic body (202) and a first outer sleeve (203), one end of the first inner rod (201) far away from the connector (1) is inserted into the first outer sleeve (203), a protruding shaft is arranged in the middle of the first inner rod (201), the first elastic body (202) is sleeved on the outer portion of the first inner rod (201), and the upper end and the lower end of the first elastic body (202) are respectively abutted against the protruding shaft and the first outer sleeve (203).

3. A vehicle traction device according to claim 2, characterized in that the second connecting body (4) comprises a second inner rod (401) and a second outer sleeve (404), the joint of the first outer sleeve (203) and the second inner rod (401) is provided with a hinge lug (6), one end of the second inner rod (401) far away from the hinge lug (6) is inserted into the second outer sleeve (404), a first oil storage cavity (403) is formed in the second outer sleeve (404), a piston body (402) is slidably mounted in the first oil storage cavity (403), and the piston body (402) is fixedly mounted at the end of the second inner rod (401).

4. A vehicle traction device according to claim 3, characterized in that the inside of the transverse shaft (5) is provided with a second oil storage cavity (12), the inside of the sliding sleeve (302) is provided with a third oil storage cavity (303), the first oil storage cavity (403) and the third oil storage cavity (303) are both communicated with the second oil storage cavity (12), compression assemblies are slidably mounted on two sides of the inside of the second oil storage cavity (12), sealing gaskets are arranged on two ends of the compression assemblies, a connecting rod (21) is arranged between the two compression assemblies, and the connecting rod (21) is fixed with any compression assembly.

5. A vehicle traction arrangement according to claim 4, characterized in that the compression assembly comprises two oil baffles (13) and a second elastomer (14) connected between the two oil baffles (13).

6. The vehicle traction device according to claim 4, wherein the two ends of the transverse shaft (5) are both fixed with supporting blocks (8), the supporting blocks (8) and the transverse shaft (5) are integrally formed, the sliding sleeve (302) and the supporting blocks (8) are hinged, through holes (17) are formed in the supporting blocks (8), the through holes (17) are communicated with one corresponding end of the second oil storage cavity (12), the end parts of the sliding sleeve (302) are provided with symmetrically arranged short shafts, the two short shafts are respectively clamped inside the two through holes (17), an oil inlet channel (16) is formed in the sliding sleeve (302), and one end of the oil inlet channel (16) is communicated with the third oil storage cavity (303) while the other end of the oil inlet channel is communicated with the through holes (17).

7. A vehicle traction device according to claim 1, characterized in that the housing of the connector (1) is screwed with a fixing bolt (9), the inner end of the fixing bolt (9) being abutted against the U-shaped plate (10).