Trailer capable of automatically adjusting height to keep balance according to road conditions

Abstract

The utility model discloses a trailer capable of automatically adjusting height to keep balance according to road conditions, which belongs to the field of trailers and comprises a trailer disc, damping seats and wheel frames are arranged on two sides of the trailer disc, damping mounting grooves are arranged on the damping seats, and first hinge seats are arranged on the inner walls, far away from the wheel frames, of the damping mounting grooves. A first hinge rod is rotationally connected to the first hinge seat, a telescopic oil cylinder is hinged to the upper end of the first hinge rod, the other end of the telescopic oil cylinder is hinged to the wheel frame, an air bag damper is hinged to the lower end of the first hinge rod, a second hinge seat is arranged on the inner wall, close to the wheel frame, of the damping mounting groove, and the other end of the air bag damper is hinged to the second hinge seat; the trailer further comprises a height balance sensor, a height balance valve, an air pump and a control module, the height balance sensor can sense the height difference of the two sides of the trailer disc, and the control module controls the height balance valve to adjust the air pressure of the air bag shock absorber. The structure can effectively improve the horizontal stability of the trailer and ensure the stability of vehicles on the trailer.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of trailer, concretely relates to a trailer that can automatically adjust height and keep balance according to road conditions. BACKGROUND

[0002] When the racing car or off-road vehicle passes through the trailer, if the road surface is uneven, the vehicle on the trailer plate often moves, although the vehicle on the trailer is limited on both sides in most cases, but due to the different sizes of the vehicle, the limiting position is changed greatly, and the adjustment is often complicated.

[0003] Because the current event involves more non-planar road, the horizontal stability requirement of the trailer chassis is higher and higher, but the current trailer does not have the horizontal balance adjusting function.

[0004] In view of the above problems, the utility model discloses a trailer that can automatically adjust height and keep balance according to road conditions to overcome the above defects. UTILITY MODEL CONTENTS

[0005] For the problems existing in the prior art, the utility model provides a trailer that can automatically adjust height and keep balance according to road conditions, which can effectively improve the horizontal stability of the trailer and ensure the smoothness of the vehicle on the trailer.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a trailer that can automatically adjust height and keep balance according to road conditions, comprising a trailer plate, the trailer plate is provided with a damping seat and a wheel frame on both sides, the wheel frame is hinged on the trailer plate, the wheel frame is arranged at the rear position of the damping seat, a wheel is rotatably connected on the wheel frame;

[0007] The damping seat is provided with a damping installation groove, the inner wall of the damping installation groove away from the wheel frame is provided with a first hinge seat, a first hinge rod is rotatably connected on the first hinge seat, and the connection position of the first hinge rod and the first hinge seat is located at the middle position of the first hinge rod;

[0008] The upper end of the first hinge rod is hinged with an extension oil cylinder, the other end of the extension oil cylinder is hinged with the wheel frame, and the extension and retraction of the extension oil cylinder can drive the wheel frame to swing and lift;

[0009] The lower end of the first hinge rod is hinged with an air bag shock absorber, the inner wall of the damping installation groove close to the wheel frame is provided with a second hinge seat, and the other end of the air bag shock absorber is hinged with the second hinge seat;

[0010] It also comprises a height balance sensor, a height balance valve, an air pump and a control module, the air pump is connected with the air bag shock absorber through the height balance valve, the control module is connected with the height balance sensor and the height balance valve, the height balance sensor can sense the height difference of both sides of the trailer disc and transmit the height difference to the control module, and the control module realizes the size of the air pressure of the air bag shock absorber by controlling the height balance valve.

[0011] Preferably, the height balance sensor is arranged on the shock absorbing seat and close to the wheel frame.

[0012] Preferably, the height of the second hinged seat is higher than the lower end position of the first hinged rod.

[0013] Preferably, the shock absorbing seat is detachably mounted on the trailer disc.

[0014] Preferably, the wheel frame is arranged as an L-shaped frame, the corner position of the L-shaped frame is hinged with the trailer disc, one end of the L-shaped frame is rotatably connected with a wheel, and the other end of the L-shaped frame is hinged with the end of the telescopic oil cylinder.

[0015] Preferably, a safety lock is rotatably connected with the hinged position of the end of the telescopic oil cylinder on the L-shaped frame, and the safety lock is located above the telescopic oil cylinder.

[0016] Preferably, a protective cover is arranged above the shock absorbing seat, and the protective cover can protect the telescopic oil cylinder and the air bag shock absorber.

[0017] The utility model has the advantages of:

[0018] 1. The utility model discloses a height balance sensor, a height balance valve, an air pump and a control module, the air pump is connected with the air bag shock absorber through the height balance valve, the control module is connected with the height balance sensor and the height balance valve, the height balance sensor can sense the height difference of both sides of the trailer disc and transmit the height difference to the control module, and the control module realizes the size of the air pressure of the air bag shock absorber by controlling the height balance valve, and further adjusts the swing angle of the wheel frame, i.e. the height of the wheel.

[0019] 2. The utility model discloses a height balance sensor, a height balance valve, an air pump and a control module, the air pump is connected with the air bag shock absorber through the height balance valve, the control module is connected with the height balance sensor and the height balance valve, the height balance sensor can sense the height difference of both sides of the trailer disc and transmit the height difference to the control module, and the control module realizes the size of the air pressure of the air bag shock absorber by controlling the height balance valve, and further adjusts the swing angle of the wheel frame, i.e. the height of the wheel. DRAWINGS

[0020] Fig. 1 It is a schematic view of a trailer capable of automatically adjusting height and keeping balance according to road conditions.

[0021] Fig. 2 It is a partial schematic view of a trailer capable of automatically adjusting height and keeping balance according to road conditions.

[0022] Fig. 3It is a side view of a trailer which can automatically adjust height according to road conditions to keep balance;

[0023] Fig. 4 It is a partial side view of a trailer which can automatically adjust height according to road conditions to keep balance.

[0024] In the figure: 1-trailer disc, 2-wheel frame, 3-damping seat, 4-telescopic oil cylinder, 5-first articulated rod, 6-first articulated seat, 7-air bag shock absorber, 8-second articulated seat, 9-wheel, 10-safety lock, 11-height balance sensor, 12-protection cover. DETAILED DESCRIPTION

[0025] In order to facilitate those skilled in the art to understand, the utility model is further explained below in combination with the drawings.

[0026] As Figs. 1 to 4 shown, a trailer which can automatically adjust height according to road conditions to keep balance, including trailer disc 1, both sides of trailer disc 1 are equipped with damping seat 3 and wheel frame 2, damping seat 3 can be detachably installed on trailer disc 1, wheel frame 2 is articulated on the trailer disc 1, wheel frame 2 is arranged at the rear position of damping seat 3, and wheel frame 2 is rotatably connected with wheel 9.

[0027] Damping seat 3 is equipped with damping installation groove, and the inner wall of the damping installation groove away from wheel frame 2 is equipped with first articulated seat 6, first articulated rod 5 is rotatably connected with first articulated seat 6, and the connecting position of first articulated rod 5 and first articulated seat 6 is located at the middle position of first articulated rod 5.

[0028] The upper end of first articulated rod 5 is articulated with telescopic oil cylinder 4, the other end of telescopic oil cylinder 4 is articulated with wheel frame 2, and the telescopic movement of telescopic oil cylinder 4 can drive wheel frame 2 to swing and lift; air bag shock absorber 7 is articulated with the lower end of first articulated rod 5, the inner wall of the damping installation groove close to wheel frame 2 is equipped with second articulated seat 8, and the height of second articulated seat 8 is higher than the lower end position of first articulated rod 5; the other end of air bag shock absorber 7 is articulated with second articulated seat 8.

[0029] Further including height balance sensor 11, height balance valve, air pump and control module, the air pump is connected with air bag shock absorber 7 through height balance valve, the control module is connected with height balance sensor 11 and height balance valve, height balance sensor 11 is arranged on damping seat 3 and close to wheel frame 2, height balance sensor 11 can sense the height difference of both sides of trailer disc 1 and transmit the height difference to control module, the control module realizes the size of the air pressure of air bag shock absorber 7 through controlling height balance valve, the size of the air pressure will affect the length of air bag shock absorber 7, and then the height change of wheel 9 is realized through the length change of air bag shock absorber 7.

[0030] The utility model discloses a height of the car wheel 9 can be adjusted through the air pressure of the air bag shock absorber 7, and the original shock-absorbing function is also guaranteed, the left and right height state of the trailer disc 1 is inducted through the height balance sensor 11, and the signal is passed to the control module, and the control module passes through the control height balance valve, makes the switching of height balance valve realize the pressure increasing and pressure reducing of air bag shock absorber 7, and further adjusts the swing angle of car wheel frame 2, i.e. the height of car wheel 9.

[0031] The car wheel frame 2 is provided as an L-shaped frame, the corner position of the L-shaped frame is hinged to the trailer disc 1, one end of the L-shaped frame is rotatably connected with the car wheel 9, and the other end of the L-shaped frame is hinged to the end of the telescopic oil cylinder 4.

[0032] The safety lock 10 is rotatably connected to the position of the L-shaped frame hinged to the end of the telescopic oil cylinder 4, the safety lock 10 is located above the telescopic oil cylinder 4 and can be clamped on the piston rod of the telescopic oil cylinder 4, so as to prevent the telescopic oil cylinder 4 from suddenly moving due to the explosion of the oil pipe and cause the trailer disc 1 to be unstable.

[0033] A protective cover 12 is preferably arranged above the shock-absorbing seat 3, and the protective cover 12 can protect the telescopic oil cylinder 4 and the air bag shock absorber 7.

[0034] It should be understood that the use of these embodiments is only for illustrating the utility model and is not intended to limit the protection scope of the utility model. In addition, it should also be understood that after reading the technical content of the utility model, those skilled in the art can make various changes, modifications and / or variations to the utility model, and all these equivalent forms also fall within the protection scope defined by the appended claims of the present application.

Claims

1. A trailer that can automatically adjust the height according to the road conditions to maintain balance, characterized in that, Including trailer disc, both sides of the trailer disc are provided with damping seat and wheel frame, the wheel frame is hinged on the trailer disc, the wheel frame is arranged at the rear position of the damping seat, and the wheel frame is rotationally connected with the wheel; The damping seat is provided with a damping installation groove, the inner wall of the damping installation groove away from the wheel frame is provided with a first hinge seat, the first hinge seat is rotationally connected with a first hinge rod, and the connection position of the first hinge rod and the first hinge seat is located at the middle position of the first hinge rod; The upper end of the first hinge rod is hingedly connected with a telescopic oil cylinder, the other end of the telescopic oil cylinder is hingedly connected with the wheel frame, and the telescopic oil cylinder can drive the wheel frame to swing and lift through telescopic movement; The lower end of the first hinge rod is hingedly connected with an air bag shock absorber, the inner wall of the damping installation groove close to the wheel frame is provided with a second hinge seat, and the other end of the air bag shock absorber is hingedly connected with the second hinge seat; Further comprising a height balance sensor, a height balance valve, an air pump and a control module, the air pump is connected with the air bag shock absorber through the height balance valve, the control module is connected with the height balance sensor and the height balance valve, the height balance sensor can sense the height difference between the two sides of the trailer disc and transmit the height difference to the control module, and the control module controls the height balance valve to realize the size of the air pressure of the air bag shock absorber.

2. The trailer according to claim 1, wherein, The height balance sensor is arranged on the damping seat and close to the wheel frame.

3. The trailer according to claim 1, wherein, The height of the second hinge seat is higher than the lower end position of the first hinge rod.

4. The trailer according to claim 1, wherein, The damping seat can be detachably installed on the trailer disc.

5. The self-leveling trailer of claim 1, wherein, The wheel frame is arranged as an L-shaped frame, the corner position of the L-shaped frame is hingedly connected with the trailer disc, one end of the L-shaped frame is rotationally connected with the wheel, and the other end of the L-shaped frame is hingedly connected with the end portion of the telescopic oil cylinder.

6. The trailer according to claim 5, wherein, A safety lock is rotationally connected with the end portion of the telescopic oil cylinder at the hinged position of the L-shaped frame, and the safety lock is located above the telescopic oil cylinder.

7. The self-leveling trailer of claim 1, wherein, A protective cover is arranged above the damping seat, and the protective cover can protect the telescopic oil cylinder and the air bag shock absorber.

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