CN219277453U

CN219277453U - Auxiliary supporting wheel device of semitrailer

Info

Publication number: CN219277453U
Application number: CN202320326823.8U
Authority: CN
Inventors: 方盼; 孛建国; 石道胜
Original assignee: Hubei Ouyang Jude Automobile Co ltd
Current assignee: Hubei Ouyang Jude Automobile Co ltd
Priority date: 2023-02-27
Filing date: 2023-02-27
Publication date: 2023-06-30
Anticipated expiration: 2033-02-27

Abstract

The utility model discloses an auxiliary supporting wheel device of a semitrailer, which comprises a semitrailer frame, a plurality of wheels and an auxiliary supporting mechanism, wherein the wheels are rotatably arranged at the bottom of the semitrailer frame and are symmetrically distributed in pairs, a fixed seat positioned between the wheels is fixedly arranged at the bottom of the semitrailer frame, a sliding groove is formed in the bottom of the fixed seat, and a sliding seat is slidably arranged at the bottom of the sliding groove. The utility model has reasonable design, can adjust the two auxiliary supporting wheels to proper interval positions, can carry out auxiliary supporting on the semi-trailer frame by utilizing the two auxiliary supporting wheels, is convenient for adjusting the horizontal positions of the two auxiliary supporting wheels, and can adjust the two auxiliary supporting wheels to proper positions beside the tire burst wheels to carry out auxiliary supporting on the semi-trailer frame when the tire burst condition occurs on any wheel below the semi-trailer frame, thereby improving the stability of the semi-trailer frame.

Description

Auxiliary supporting wheel device of semitrailer

Technical Field

The utility model relates to the technical field of semitrailers, in particular to an auxiliary supporting wheel device of a semitrailer.

Background

The semitrailer is a trailer with axles placed behind the center of gravity of the vehicle and equipped with a coupling device capable of transmitting horizontal and vertical forces to the tractor, and is generally a three-axle semitrailer, which is classified into eleven meter-cabin semitrailer, thirteen meter-cabin semitrailer, low-bed semitrailer and the like, and is a heavy transportation vehicle connected with the semitrailer head through traction pins. The conventional auxiliary supporting wheel device of the semi-trailer is usually fixedly arranged at the bottom of the semi-trailer, is in contact with the ground to support the semi-trailer in an auxiliary manner, does not have a buffering effect when in use, is difficult to damage when meeting the ground, and needs to be disassembled and retracted when not in use, is complex in operation and affects the use effect.

Aiming at the problem, the technical scheme of the auxiliary supporting wheel device of the Chinese patent publication with the publication number of CN216269191U is as follows: the semi-trailer comprises a semi-trailer body, wherein a supporting mechanism and an adjusting mechanism are arranged at the bottom of the semi-trailer body; the supporting mechanism comprises a supporting frame, the supporting frame is fixed to be located semitrailer body bottom, the inside threaded rod that is equipped with of supporting frame, the threaded rod outside is equipped with supporting component, supporting component includes the screw thread piece, and a semitrailer auxiliary stay wheel device beneficial effect is: the screw thread piece receives pressure in through supporting mechanism and the adjustment mechanism and makes the fixed column slide along hollow post, and the spring produces the shrink simultaneously and cushions, prevents that the semitrailer body from marcing the in-process road surface and uneven causing the damage to the device, and adjustment mechanism control supporting mechanism carries out auxiliary stay to the semitrailer body, and supporting component and the semitrailer body in the adjustment mechanism control supporting mechanism are same horizontal line, and then make things convenient for supporting component's the withdrawal.

The above solution has been found to still have at least the following drawbacks in practice: because the semitrailer frame has longer length dimension, a plurality of wheels are installed to semitrailer frame below to be inconvenient for carrying out horizontal adjustment to the position of auxiliary stay wheel, above-mentioned scheme can only carry out fixed point support semitrailer frame, when the tire burst phenomenon takes place for any one wheel of semitrailer frame below, can not adjust auxiliary stay wheel to the other suitable position of tire burst wheel and carry out auxiliary stay use, and then can make the stability of semitrailer frame variation, for this reason, we propose a semitrailer auxiliary stay wheel device and be used for solving above-mentioned problem.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an auxiliary supporting wheel device for a semitrailer, which solves the problems that the scheme is inconvenient for horizontally adjusting the position of an auxiliary supporting wheel, only can be used for supporting a semitrailer frame at fixed points, and when any wheel below the semitrailer frame is subjected to tire burst, the auxiliary supporting wheel cannot be adjusted to a proper position beside the tire burst wheel for auxiliary supporting, so that the stability of the semitrailer frame is poor.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a semitrailer auxiliary stay wheel device, including the semitrailer frame, a plurality of wheel and auxiliary stay mechanism, a plurality of wheels are all rotated and are installed in the bottom of semitrailer frame and be two liang of symmetry and arrange, the bottom fixed mounting of semitrailer frame has the fixing base that is located between a plurality of wheels, the spout has been seted up to the bottom of fixing base, the bottom slidable mounting of spout has the slide, the bottom of slide extends to outside the spout, first mounting groove has been seted up to the bottom of slide, fixed mounting has first electric hydraulic cylinder in the first mounting groove, the output axle head of first electric hydraulic cylinder extends to outside the first mounting groove, auxiliary stay mechanism sets up the output axle head at first electric hydraulic cylinder, be provided with adjustment mechanism on the fixing base, adjustment mechanism is used for adjusting auxiliary stay mechanism's horizontal position.

Preferably, the auxiliary support mechanism comprises a lifting seat, two second electric hydraulic cylinders, two U-shaped plates and two auxiliary support wheels, wherein the lifting seat is fixedly arranged at the output shaft ends of the first electric hydraulic cylinders, the front side and the rear side of the lifting seat are respectively provided with a second mounting groove, the two second electric hydraulic cylinders are respectively and fixedly arranged in the corresponding second mounting grooves, the output shaft ends of the two second electric hydraulic cylinders are respectively extended out of the corresponding second mounting grooves, the two U-shaped plates are respectively and fixedly arranged at the output shaft ends of the two second electric hydraulic cylinders, and the two auxiliary support wheels are respectively and rotatably arranged on the corresponding U-shaped plates.

Preferably, guide seats are fixedly arranged on the left outer wall and the right outer wall of the sliding seat, two vertical guide rods are fixedly arranged at the top of the lifting seat, and the two guide seats are respectively sleeved on the corresponding vertical guide rods in a sliding manner.

Preferably, the bottom fixed mounting of slide has two spacing posts, and the bottom of two spacing posts all is inconsistent with the top of lift seat.

Preferably, the adjusting mechanism comprises a shaft seat, a screw rod, a bearing plate and a motor, wherein the shaft seat is fixedly arranged on the right inner wall of the sliding groove, the screw rod is rotatably arranged on the shaft seat, the sliding seat is sleeved on the screw rod in a threaded manner, the bearing plate is fixedly arranged on the left outer wall of the fixed seat, the motor is fixedly arranged on the bearing plate, and the left end of the screw rod extends out of the fixed seat and is fixedly connected with the output shaft end of the motor.

Preferably, a transverse guide rod positioned below the screw rod is fixedly arranged in the sliding groove, and the sliding seat is sleeved on the transverse guide rod in a sliding manner.

(III) beneficial effects

The utility model provides an auxiliary supporting wheel device of a semitrailer. The beneficial effects are as follows:

(1) The auxiliary supporting wheel device for the semitrailer can control the auxiliary supporting mechanism to rise or descend by utilizing the first electric hydraulic cylinder, and can carry out auxiliary supporting on the frame of the semitrailer by utilizing the auxiliary supporting mechanism formed by combining the lifting seat, the two second electric hydraulic cylinders, the two U-shaped plates and the two auxiliary supporting wheels when the two auxiliary supporting wheels are downwards regulated to be in contact with the ground.

(2) This auxiliary support wheel device of semitrailer, through utilizing the adjustment mechanism who constitutes by axle bed, the lead screw, loading board and motor combination, be convenient for adjust auxiliary support mechanism's horizontal position, and then when the condition of blowing out takes place for any one wheel below the semitrailer frame, can adjust two auxiliary support wheels in the auxiliary support mechanism to the other suitable position department of blowing out wheel and carry out auxiliary support semitrailer frame, and then can improve the stability of semitrailer frame, the position of being inconvenient for carrying out horizontal adjustment to auxiliary support wheel has been solved, only can carry out fixed point support semitrailer frame, when the blowing out phenomenon takes place for any one wheel below the semitrailer frame, can not adjust auxiliary support wheel to the other suitable position of blowing out wheel and carry out auxiliary support use, and then can make the problem of the stability variation of semitrailer frame.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the front view of the present utility model;

FIG. 3 is an enlarged schematic view of portion A of FIG. 2;

fig. 4 is a schematic side sectional structure of the elevating seat.

In the figure: 1. a semitrailer frame; 2. a wheel; 3. a fixing seat; 4. a chute; 5. a slide; 6. a first mounting groove; 7. a first electro-hydraulic cylinder; 8. a lifting seat; 9. a second mounting groove; 10. a second electro-hydraulic cylinder; 11. a U-shaped plate; 12. an auxiliary supporting wheel; 13. a guide seat; 14. a vertical guide rod; 15. a limit column; 16. a shaft seat; 17. a screw rod; 18. a carrying plate; 19. a motor; 20. and a transverse guide rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, in the description of the present utility model, the meaning of "a plurality" means two or more unless specifically defined otherwise.

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a semitrailer auxiliary stay wheel device, includes semitrailer frame 1, a plurality of wheel 2, auxiliary stay mechanism and adjustment mechanism, wherein:

the wheels 2 are rotatably arranged at the bottom of the semi-trailer frame 1 and are symmetrically distributed in pairs, and it is to be noted that the number of the wheels 2 is set according to the actual length dimension of the semi-trailer frame 1, the semi-trailer frame 1 is connected with a semi-trailer head through a traction pin, which belongs to the conventional technical means in the prior art, therefore, the details are not repeated herein, the bottom of the semi-trailer frame 1 is fixedly provided with a fixed seat 3 positioned between the wheels 2, the bottom of the fixed seat 3 is provided with a sliding groove 4, the bottom of the sliding groove 4 is slidably provided with a sliding seat 5, the bottom of the sliding seat 5 extends out of the sliding groove 4, the bottom of the sliding seat 5 is provided with a first mounting groove 6, a first electric hydraulic cylinder 7 is fixedly arranged in the first mounting groove 6, the output shaft end of the first electric hydraulic cylinder 7 extends out of the first mounting groove 6, an auxiliary supporting mechanism is arranged at the output shaft end of the first electric hydraulic cylinder 7, the height position of the auxiliary supporting mechanism can be adjusted by utilizing the first electric hydraulic cylinder 7, the auxiliary supporting mechanism is utilized for auxiliary supporting of the semi-trailer frame 1, the auxiliary supporting mechanism comprises a lifting seat 8, two second electric hydraulic cylinders 10, two U-shaped plates 11 and two auxiliary supporting wheels 12, the lifting seat 8 is fixedly arranged at the output shaft ends of the first electric hydraulic cylinders 7, second mounting grooves 9 are respectively formed at the front side and the rear side of the lifting seat 8, the two second electric hydraulic cylinders 10 are respectively fixedly arranged in the corresponding second mounting grooves 9, the output shaft ends of the two second electric hydraulic cylinders 10 respectively extend out of the corresponding second mounting grooves 9, the two U-shaped plates 11 are respectively fixedly arranged at the output shaft ends of the two second electric hydraulic cylinders 10, the two auxiliary supporting wheels 12 are respectively rotatably arranged on the corresponding U-shaped plates 11, the two second electric hydraulic cylinders 10 are utilized to control the corresponding U-shaped plates 11 and the auxiliary supporting wheels 12 to horizontally move, the distance between the two auxiliary supporting wheels 12 can be changed, the two auxiliary supporting wheels 12 can be utilized to carry out auxiliary supporting on the semi-trailer frame 1, the stability of the semi-trailer frame 1 is improved, and the adjusting mechanism is arranged on the fixed seat 3.

The adjusting mechanism is used for adjusting the horizontal position of the auxiliary supporting mechanism, the adjusting mechanism comprises a shaft seat 16, a screw rod 17, a bearing plate 18 and a motor 19, the shaft seat 16 is fixedly arranged on the right inner wall of the sliding groove 4, the screw rod 17 is rotatably arranged on the shaft seat 16, the sliding seat 5 is sleeved on the screw rod 17 in a threaded manner, the bearing plate 18 is fixedly arranged on the left outer wall of the fixed seat 3, the motor 19 is fixedly arranged on the bearing plate 18, the left end of the screw rod 17 extends out of the fixed seat 3 and is fixedly connected with the output shaft end of the motor 19, the bearing plate 18 is used for firmly supporting the motor 19, the motor 19 is used for controlling the screw rod 17 to rotate, the sliding seat 5 can be controlled to horizontally move in the sliding groove 4 by utilizing the threaded connection cooperation of the sliding seat 5 and the screw rod 17, and then the auxiliary supporting mechanism can be controlled to horizontally move, so that the auxiliary supporting mechanism can be horizontally adjusted.

Through the structure, the auxiliary supporting wheel device of the semitrailer provided by the utility model can adjust the two auxiliary supporting wheels 12 to a proper interval position, the two auxiliary supporting wheels 12 can be used for carrying out auxiliary supporting on the semitrailer frame 1, the horizontal positions of the two auxiliary supporting wheels 12 are convenient to adjust, when any wheel 2 below the semitrailer frame 1 has a tire burst condition, the two auxiliary supporting wheels 12 can be adjusted to a proper position beside the tire burst wheel 2 for carrying out auxiliary supporting on the semitrailer frame 1, and further the stability of the semitrailer frame 1 can be improved, in particular operation, the two second electric hydraulic cylinders 10 are started to work, the two second electric hydraulic cylinders 10 push the corresponding U-shaped plates 11 and the auxiliary supporting wheels 12 to horizontally move, so that the interval between the two auxiliary supporting wheels 12 is gradually increased, when the two auxiliary supporting wheels 12 are adjusted to have proper spacing, the two second electric hydraulic cylinders 10 are stopped, then the first electric hydraulic cylinder 7 is started to work, the first electric hydraulic cylinder 7 pushes the lifting seat 8, the two second electric hydraulic cylinders 10, the two U-shaped plates 11 and the two auxiliary supporting wheels 12 to move vertically downwards, so that when the two auxiliary supporting wheels 12 move downwards to be in contact with the ground, the first electric hydraulic cylinder 7 is stopped, at the moment, the two auxiliary supporting wheels 12 can be utilized to carry out auxiliary supporting on the semi-trailer frame 1, the stability of the semi-trailer frame 1 is improved, when one wheel 2 at the bottom of the semi-trailer frame 1 is burst, the motor 19 is started to drive the screw rod 17 to rotate forwards, the sliding seat 5 is driven to move horizontally leftwards, the two auxiliary supporting wheels 12 can be controlled to move horizontally leftwards, the motor 19 is started to rotate reversely, the motor 19 drives the screw rod 17 to rotate reversely, the slide seat 5 can move horizontally rightwards, so that the two auxiliary supporting wheels 12 can be controlled to move horizontally rightwards, and the two auxiliary supporting wheels 12 can be adjusted to a proper position beside the tire burst wheel 2 for auxiliary supporting of the semi-trailer frame 1.

In this embodiment, guide holders 13 are fixedly installed on the left outer wall and the right outer wall of the sliding seat 5, two vertical guide rods 14 are fixedly installed at the top of the lifting seat 8, the two guide holders 13 are respectively slidably sleeved on the corresponding vertical guide rods 14, and the movement direction of the lifting seat 8 can be guided by the sliding connection cooperation of the guide holders 13 and the vertical guide rods 14, so that the lifting seat 8 can move in the vertical direction.

In this embodiment, two limiting posts 15 are fixedly mounted at the bottom of the sliding seat 5, the bottom ends of the two limiting posts 15 are all in contact with the top of the lifting seat 8, and the lifting stroke of the lifting seat 8 can be resisted and limited by using the limiting posts 15.

In this embodiment, a transverse guide rod 20 located below the screw rod 17 is fixedly installed in the sliding groove 4, the sliding seat 5 is slidably sleeved on the transverse guide rod 20, and the transverse guide rod 20 is utilized to guide the sliding direction of the sliding seat 5, so that the sliding seat 5 can slide in the horizontal direction in the sliding groove 4 stably.

In this embodiment, it should be noted that, a control box is installed at a suitable position of the semitrailer frame 1, a plurality of control switches are provided in the control box, the first electro-hydraulic cylinder 7, the two second electro-hydraulic cylinders 10, the motor 19 and the control box are electrically connected with the vehicle power supply sequentially through wires to form a loop, and the plurality of control switches can be used for respectively controlling the start-stop and reset operation of the first electro-hydraulic cylinder 7 and the two second electro-hydraulic cylinders 10, and can also be used for controlling the start-stop and forward-reverse operation of the motor 19.

The above description is merely an embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present utility model, and it is intended to cover the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a semitrailer auxiliary stay wheel device which characterized in that: including semitrailer frame (1), a plurality of wheel (2) and auxiliary support mechanism, a plurality of wheel (2) are all rotated and are installed the bottom of semitrailer frame (1) is two liang of symmetry and arranges, the bottom fixed mounting of semitrailer frame (1) has fixing base (3) that are located between a plurality of wheel (2), spout (4) have been seted up to the bottom of fixing base (3), the bottom slidable mounting of spout (4) has slide (5), the bottom of slide (5) extends to outside spout (4), first mounting groove (6) have been seted up to the bottom of slide (5), fixed mounting has first electronic pneumatic cylinder (7) in first mounting groove (6), the output axle head of first electronic pneumatic cylinder (7) extends to outside first mounting groove (6), auxiliary support mechanism sets up the output axle head of first electronic pneumatic cylinder (7), be provided with adjustment mechanism on fixing base (3), adjustment mechanism is used for adjusting auxiliary support mechanism's horizontal position.

2. A semitrailer auxiliary support wheel apparatus as claimed in claim 1, wherein: the auxiliary support mechanism comprises a lifting seat (8), two second electric hydraulic cylinders (10), two U-shaped plates (11) and two auxiliary support wheels (12), wherein the lifting seat (8) is fixedly installed at the output shaft ends of the first electric hydraulic cylinders (7), second installation grooves (9) are formed in the front side and the rear side of the lifting seat (8), the two second electric hydraulic cylinders (10) are respectively and fixedly installed in the corresponding second installation grooves (9), the output shaft ends of the two second electric hydraulic cylinders (10) are respectively extended to the outside of the corresponding second installation grooves (9), the two U-shaped plates (11) are respectively and fixedly installed at the output shaft ends of the two second electric hydraulic cylinders (10), and the two auxiliary support wheels (12) are respectively and rotatably installed on the corresponding U-shaped plates (11).

3. A semitrailer auxiliary support wheel apparatus as claimed in claim 2, wherein: guide bases (13) are fixedly arranged on the left outer wall and the right outer wall of the sliding seat (5), two vertical guide rods (14) are fixedly arranged at the top of the lifting seat (8), and the two guide bases (13) are respectively sleeved on the corresponding vertical guide rods (14) in a sliding mode.

4. A semitrailer auxiliary support wheel apparatus as claimed in claim 2, wherein: the bottom fixed mounting of slide (5) has two spacing posts (15), two the bottom of spacing post (15) all with the top of lifting seat (8) is inconsistent.

5. A semitrailer auxiliary support wheel apparatus as claimed in claim 1, wherein: the adjusting mechanism comprises a shaft seat (16), a screw rod (17), a bearing plate (18) and a motor (19), wherein the shaft seat (16) is fixedly installed on the right side inner wall of the sliding groove (4), the screw rod (17) is rotatably installed on the shaft seat (16), the sliding seat (5) is sleeved on the screw rod (17) in a threaded mode, the bearing plate (18) is fixedly installed on the left side outer wall of the fixed seat (3), the motor (19) is fixedly installed on the bearing plate (18), and the left end of the screw rod (17) extends out of the fixed seat (3) and is fixedly connected with the output shaft end of the motor (19).

6. A semitrailer auxiliary support wheel apparatus as claimed in claim 5, wherein: the sliding chute (4) is internally and fixedly provided with a transverse guide rod (20) positioned below the screw rod (17), and the sliding seat (5) is sleeved on the transverse guide rod (20) in a sliding way.