CN216861304U

CN216861304U - Hydraulic lifting trailer

Info

Publication number: CN216861304U
Application number: CN202123045767.0U
Authority: CN
Inventors: 郑利
Original assignee: Shandong Baimao Machinery Technology Co ltd
Current assignee: Shandong Baimao Machinery Technology Co ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-07-01
Anticipated expiration: 2031-12-06

Abstract

The utility model belongs to the technical field of trailers and relates to a hydraulic lifting type trailer which comprises a traction rod, a chassis, a power system and a chassis driving mechanism, wherein the chassis driving mechanism is connected with the power system, a wheel lifting synchronous shaft is arranged on the bottom surface of the chassis, the wheel lifting synchronous shaft is connected with two wheels through a crank arm, a damping buffer is arranged at the bottom of the chassis driving mechanism, a wheel guide rail is arranged on the chassis, and a front limiter and a rear limiter are respectively arranged at the front end and the rear end of the wheel guide rail. The utility model can push the crank arm to swing through the cooperation of the power system and the chassis driving mechanism, the crank arm swings to drive the chassis to lift, thereby being convenient for the upper chassis and the lower chassis of the vehicle to be transported, saving time and labor, being convenient for transportation, reducing the transportation cost, being convenient for most of users, simultaneously reducing the potential safety hazard in transportation, and the shock absorption buffer can play a role in absorbing shock of the whole vehicle.

Description

Hydraulic lifting trailer

Technical Field

The utility model belongs to the technical field of trailers and particularly relates to a hydraulic lifting type trailer.

Background

The trailer is a tool for transporting vehicles such as motorcycles and generally comprises a traction mechanism connected with a front vehicle for towing the trailer and a supporting mechanism for carrying the vehicles such as motorcycles.

The existing trailer chassis on the market can not be lifted, vehicles with strict requirements on the height of the trailer chassis can not be freely and conveniently transported, a forklift is required to assist in transporting and even special vehicles are required, and great inconvenience is brought to vast users.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hydraulic lifting trailer which can be wholly dropped on the ground, has the advantages of shock absorption, low production cost and convenient and quick transportation, and solves the problems in the background technology.

In order to achieve the technical purpose, the technical scheme of the utility model is as follows:

a hydraulic lifting trailer comprises a traction rod and a chassis connected with the traction rod, wherein a power system is arranged on the top surface of the front part of the chassis, wheels are respectively and rotatably connected to two sides of the chassis, a crank arm is connected to one side, close to the chassis, of each wheel, a wheel lifting synchronizing shaft is connected between the two crank arms, the wheel lifting synchronizing shaft is arranged on the bottom surface of the chassis, and a chassis driving mechanism is arranged in the middle of each crank arm;

the chassis driving mechanism is far away from the bottom of one end of the wheel and is connected with the shock absorption buffer, the other end of the shock absorption buffer is connected with one side of the chassis through a connecting piece, the chassis driving mechanism is connected with the power system, at least one wheel guide rail is arranged on the chassis, a front limiter is arranged at the front end of the wheel guide rail, a rear limiter is arranged at the middle part of the wheel guide rail, the front limiter is fixedly connected with the chassis, and the rear limiter is hinged with the wheel guide rail.

As an improvement, the chassis driving mechanism comprises an oil cylinder and a rocker arm, wherein one end of the oil cylinder, which is far away from the wheels, is connected with the top end of the rocker arm, and the bottom end of the rocker arm is connected with the shock absorption buffer.

As a further improvement, the power system comprises a power supply, a controller and a hydraulic pump, wherein the power supply and the hydraulic pump are respectively connected with the controller, and the hydraulic pump is respectively connected with the oil cylinder through an oil pipe.

As a further improvement, the rocker arm comprises an upper arm and a lower arm, the upper arm and the lower arm are detachably connected, and the height of the upper arm is smaller than that of the lower arm.

As an improvement, the middle part of the crank arm is hinged with a safety lock, and the safety lock is positioned above the oil cylinder.

As an improvement, the tail part of the chassis is rotatably connected with a turning plate, two sides of the turning plate are respectively provided with a fixed pin, and the chassis is provided with a fixed hole matched with the fixed pin.

As an improvement, the turning plate comprises a horizontal part and an inclined part, an included angle between the top surface of the inclined part and the top surface of the horizontal part is an acute angle, a license plate fixing plate and an automobile lamp fixing plate are arranged on the bottom surface of the turning plate, a license plate fixing hole is formed in the license plate fixing plate, an automobile lamp is arranged on the automobile lamp fixing plate, and the automobile lamp is connected with the power system.

As an improvement, the chassis comprises a first disk block, a second disk block and a third disk block, the second disk block is located between the first disk block and the third disk block, two sides of the second disk block are respectively connected with the first disk block and the third disk block through hinges, and the first disk block, the second disk block and the third disk block are respectively provided with the wheel guide rail.

As a further improvement, the two sides of the top surface of the chassis are respectively provided with a fixing piece, and the fixing pieces are provided with hanging holes.

As a further improvement, a spare tire is arranged on one side of the front end of the chassis.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

according to the hydraulic lifting trailer provided by the utility model, the power system and the chassis driving mechanism are matched to push the crank arm of the wheel lifting synchronizing shaft to swing, the crank arm swings to lift the chassis, the damping buffer is preferably in a form of adding a spring and hydraulic damping, the effect of damping the whole trailer is achieved, and the problem that the hydraulic lifting of the trailer cannot damp is also solved. The wheel guide rail and the limiting stopper facilitate the transportation and the fixation of vehicles such as motorcycles, the turning plate at the rear end of the chassis facilitates the vehicles to go up and down the chassis, time and labor are saved, the transportation is facilitated, the transportation cost is reduced, the convenience is brought to most of users, meanwhile, the potential safety hazard in the transportation is also reduced, and the device has high popularization and application values.

Drawings

FIG. 1 is a side view of a hydraulic lift trailer provided by the present invention;

FIG. 2 is a top plan view of a hydraulic lift truck provided by the present invention;

FIG. 3 is a schematic structural view of a rocker arm provided by the present invention;

fig. 4 and fig. 5 are schematic structural views of the flap provided by the present invention;

wherein: 1-traction rod, 2-chassis, 3-protective box, 4-wheel, 5-crank, 6-wheel lifting synchronizing shaft, 7-oil cylinder, 8-rocker, 9-shock absorber, 10-connecting piece, 11-safety lock, 12-turning plate, 13-fixed pin, 14-license plate fixed plate, 15-car lamp fixed plate, 16-warning lamp, 21-first disk block, 22-second disk block, 23-third disk block, 24-loose leaf, 25-wheel guide rail, 26-front limiter, 27-rear limiter, 28-fixing piece, 29-hanging hole, 30-spare tire, 81-upper arm, 82-lower arm, 83-vertical part, 84-right trapezoid part, 121-horizontal part, 122-an inclined portion.

Detailed Description

The present invention will be further described with reference to the following detailed description and accompanying drawings. Wherein the showings are for the purpose of illustration only and not for the purpose of limiting the same, the same is shown by way of illustration only and not in the form of limitation; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and operate, and therefore the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and it is possible for one of ordinary skill in the art to understand the specific meaning of the above terms according to the specific situation.

As shown in fig. 1-5, a hydraulic lifting trailer comprises a traction rod 1, a chassis 2 and a power system, wherein the power system is arranged on the top surface of the front part of the chassis 2, the power system comprises a power supply, a controller and a hydraulic pump, the power supply and the hydraulic pump are respectively connected with the controller, and a protection box 3 is arranged outside the power system.

The both sides of chassis 2 are rotated respectively and are connected with wheel 4, and one side that wheel 4 is close to chassis 2 is connected with turning arm 5, is connected with wheel lift synchronizing shaft 6 between two turning arms 5, and wheel lift synchronizing shaft 6 locates the bottom surface on chassis 2.

The middle part of turning arm 5 is equipped with chassis actuating mechanism, and chassis actuating mechanism includes hydro-cylinder 7 and rocking arm 8, and hydro-cylinder 7 passes through oil pipe and hydraulic pump connection, and the one end that wheel 4 was kept away from to hydro-cylinder 7 is connected with the top of rocking arm 8, and the bottom of rocking arm 8 is connected with shock attenuation buffer 9, and the other end of shock attenuation buffer 9 passes through connecting piece 10 and is connected with one side of chassis 2, and shock attenuation buffer 9 is preferred to be hydraulic spring shock attenuation buffer.

The swing arm 8 includes an upper arm 81 and a lower arm 82, the upper arm 81 and the lower arm 82 are detachably connected, and the height of the upper arm 81 is smaller than that of the lower arm 82. The upper arm 81 is shorter than the lower arm 82, the design can make the rocker arm 3 form a lever, the upper arm 81 is shorter than the lower arm 82, the force acting on the upper arm 81 is the force of the oil cylinder 7, the force of the oil cylinder 7 is proportional to the bearing force of the trailer chassis 5, therefore, in order to maintain the balance of the upper arm 81 and the lower arm 82, the shorter the upper arm 81 is, the larger the force acting on the upper arm is, namely, the bearing force of the trailer chassis 5 is, thereby increasing the bearing force of the whole chassis 2.

The lower arm 82 includes a vertical portion 83 and a right-angled trapezoidal portion 84 connected to the vertical portion 83, the vertical portion 83 is located above the right-angled trapezoidal portion 84, the vertical portion 83 is integrally formed with the right-angled trapezoidal portion 84, and an angle α between an oblique end surface of the right-angled trapezoidal portion 84 and the vertical portion 83 is greater than 90 °. The lower arm 82 is designed such that the lower arm 82 provides a certain damping effect when the swing arm 8 is connected to the shock absorber 9.

The middle part of the crank arm 5 is hinged with a safety lock 11, and the safety lock 11 is positioned above the oil cylinder 7. The free end of the safety lock 11 can be buckled on a piston rod of the oil cylinder 7, so that the condition that the chassis 2 is unstable due to sudden action of the oil cylinder 7 caused by burst of an oil pipe is prevented, and the safety of the trailer in the using process is ensured.

The rear end of the chassis 2 is rotatably connected with a turning plate 12, two sides of the turning plate 12 are respectively provided with a fixing pin 13, and the chassis 2 is provided with a fixing hole matched with the fixing pin 13. The bottom surface of the turning plate 12 is provided with a license plate fixing plate 14 and a car lamp fixing plate 15, the license plate fixing plate 14 is provided with a license plate fixing hole, the car lamp fixing plate 15 is provided with a car lamp 16, and the car lamp 16 is electrically connected with a power supply.

The fixed pin 13 cooperates with the fixed orifices, can make and turn over board 12 and vertically be fixed in on the chassis 2, both can prevent the trailer landing on the chassis 2, and the car light 16 that its bottom surface set up still can play the effect of safety warning in going, and car light 16 still can keep unanimous with the front light that drags this trailer.

The flap 12 includes a horizontal portion 121 and an inclined portion 122, and an angle β between a top surface of the inclined portion 122 and a top surface of the horizontal portion 121 is an acute angle. When the turnover plate 12 is used, the turnover plate 12 can be laid down, the inclined part 122 of the turnover plate is in contact with the ground, the horizontal part 121 is basically level with the chassis 2, and a vehicle to be transported can have gradient transition when going up the chassis 2, so that the vehicle to be transported can go up the chassis more conveniently, and the turnover plate is time-saving and labor-saving.

The chassis 2 comprises a first disc block 21, a second disc block 22 and a third disc block 23, the second disc block 22 is located between the first disc block 21 and the third disc block 23, two sides of the second disc block 22 are respectively connected with the first disc block 21 and the third disc block 23 through hinges 24, wheel guide rails 25 are respectively arranged on the first disc block 21, the second disc block 22 and the third disc block 23, the front ends of the wheel guide rails 25 are provided with front stoppers 26, the middle parts of the wheel guide rails are provided with rear stoppers 27, the front stoppers 26 are fixedly connected with the front ends of the wheel guide rails 25, and the rear stoppers 27 are hinged with the middle parts of the wheel guide rails 25. The two sides of the top surface of the chassis 2 are respectively provided with a fixing piece 28, and the fixing piece 28 is provided with a hanging hole 29. A spare tire 30 is provided on the front end side of the chassis 2. The wheels of the motorcycle to be transported enter the wheel guide rails 25, and the wheels of the motorcycle can be fixed in the wheel guide rails 25 by the front limiters 26 and the rear limiters 27 and then fixed in the hanging holes 29 of the fixing pieces 28 through fixing ropes, so that the motorcycle can be fixed on the chassis 2.

The utility model can transport 3 motorcycles at the same time, has large bearing capacity, more disposable transport vehicles than the existing trailers, is more convenient to use, greatly reduces the transport cost and saves the transport time.

The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A hydraulic lifting trailer comprises a traction rod and a chassis connected with the traction rod, and is characterized in that a power system is arranged on the top surface of the front part of the chassis, wheels are respectively and rotatably connected to two sides of the chassis, a connecting lever is connected to one side, close to the chassis, of each wheel, a wheel lifting synchronizing shaft is connected between the two connecting levers, the wheel lifting synchronizing shafts are arranged on the bottom surface of the chassis, and a chassis driving mechanism is arranged in the middle of each connecting lever;

2. The hydraulic lift trailer of claim 1, wherein the chassis drive mechanism comprises a cylinder and a rocker arm, wherein an end of the cylinder remote from the wheels is connected to a top end of the rocker arm, and a bottom end of the rocker arm is connected to the shock absorber.

3. The hydraulic lift trailer of claim 2, wherein the power system comprises a power source, a controller and hydraulic pumps, the power source and the hydraulic pumps are respectively connected to the controller, and the hydraulic pumps are respectively connected to the cylinders through oil pipes.

4. The hydraulic lift trailer of claim 3, wherein said rocker arm includes an upper arm and a lower arm, said upper arm and said lower arm being removably connected, said upper arm having a height less than a height of said lower arm.

5. The hydraulic lift trailer of claim 2, wherein a safety lock is articulated in the middle of the lever arm, said safety lock being located above the cylinder.

6. The hydraulic lifting trailer according to claim 1, wherein a turning plate is rotatably connected to the rear portion of the chassis, fixing pins are respectively disposed on two sides of the turning plate, and fixing holes adapted to the fixing pins are disposed on the chassis.

7. The hydraulic lifting trailer according to claim 6, wherein the turning plate comprises a horizontal part and an inclined part, an included angle between the top surface of the inclined part and the top surface of the horizontal part is an acute angle, the bottom surface of the turning plate is provided with a license plate fixing plate and a car lamp fixing plate, the license plate fixing plate is provided with license plate fixing holes, the car lamp fixing plate is provided with car lamps, and the car lamps are connected with the power system.

8. The hydraulic elevating trailer according to claim 1, wherein the chassis comprises a first disk block, a second disk block and a third disk block, the second disk block is located in the middle of the first disk block and the third disk block, two sides of the second disk block are respectively connected with the first disk block and the third disk block through hinges, and the first disk block, the second disk block and the third disk block are respectively provided with the wheel guide.

9. The hydraulic elevating trailer according to any one of claims 1 to 8, wherein the chassis is provided with fixing members on both sides of the top surface thereof, and the fixing members are provided with hanging holes.

10. The hydraulically liftable trailer of claim 9, wherein a spare tire is provided on one side of the front end of the chassis.