CN216886616U

CN216886616U - Semitrailer with undercarriage

Info

Publication number: CN216886616U
Application number: CN202123264905.4U
Authority: CN
Inventors: 杨运增
Original assignee: Hebei Huayun Shuntong Special Purpose Automobile Manufacturing Co ltd
Current assignee: Hebei Huayun Shuntong Special Purpose Automobile Manufacturing Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-07-05
Anticipated expiration: 2031-12-23

Abstract

The application discloses a semitrailer with a landing gear, which relates to the technical field of semitrailers and aims at solving the problems that when the existing semitrailer landing gear is used, because the lifting process is time-consuming and labor-consuming due to the fact that the lifting mode is usually adopted for driving, the following scheme is proposed, the device comprises a carriage and a supporting plate, wherein the supporting plate is fixedly arranged at the bottom end of the carriage, two symmetrically arranged supporting pieces are fixedly arranged at the bottom end of the supporting plate, a supporting cylinder is rotatably arranged on the surface of one side, far away from the two supporting pieces, a supporting column is sleeved in the supporting cylinder in a sliding manner, a limiting component is arranged on the supporting cylinder, a pressure reducing component is arranged at the bottom end of the supporting column, a supporting rod is fixedly arranged on one side of the two supporting columns which are opposite to each other, the supporting cylinder is provided with a sliding groove matched with the supporting rod, and the top end of the supporting plate is provided with a driving mechanism. This application novel structure has automatic drive function, suitable popularization.

Description

Semitrailer with undercarriage

Technical Field

The application relates to the technical field of semitrailers, in particular to a semitrailer with an undercarriage.

Background

The semitrailer is a trailer with an axle behind the center of gravity of the vehicle and a coupling device capable of transmitting horizontal and vertical forces to a tractor, and is a heavy transport vehicle connected with the head of the semitrailer through a towing pin.

When the existing semitrailer landing frame is used, the existing semitrailer landing frame is driven in a hand-cranking mode, so that time and labor are wasted in the landing process. Therefore, in order to solve such problems, we propose a semitrailer with landing gear.

SUMMERY OF THE UTILITY MODEL

The application provides a semitrailer with undercarriage has solved current semitrailer undercarriage when using, owing to adopt hand mode to drive usually, leads to the problem that the process of rising and falling wastes time and energy.

In order to achieve the purpose, the following technical scheme is adopted in the application:

a semitrailer with a landing gear comprises a carriage and a supporting plate, wherein the supporting plate is fixedly arranged at the bottom end of the carriage, two symmetrically arranged supporting pieces are fixedly arranged at the bottom end of the supporting plate, a supporting cylinder is rotatably arranged on the surface of one side far away from the two supporting pieces, a supporting column is sleeved in the supporting cylinder in a sliding manner, a limiting component is arranged on the supporting cylinder, a pressure reducing component is arranged at the bottom end of the supporting column, a supporting rod is fixedly arranged on one side of the two supporting columns which are opposite to each other, the supporting cylinder is provided with a chute matched with the supporting rod, the top end of the supporting plate is provided with a driving mechanism, a second hydraulic cylinder is fixedly arranged at the bottom end of the supporting plate, a sliding block is fixedly arranged at the end part of a piston rod of the second hydraulic cylinder, the bottom of slider articulates there is spacing, spacing is the Y type setting, spacing is articulated the setting with the bracing piece.

Through adopting above-mentioned technical scheme, hydraulic pressure increase in the first pneumatic cylinder, the support column gliding in the support section of thick bamboo has had the automatic drive function.

Preferably, the limiting assembly comprises limiting blocks, the limiting blocks are symmetrically arranged about the supporting column, the limiting blocks are respectively located on the two opposite side surfaces of the supporting column, and a limiting groove matched with the supporting column is formed in the inner wall of the supporting cylinder.

Through adopting above-mentioned technical scheme, realized that the support column is steady gliding in a support section of thick bamboo.

Preferably, the pressure reducing assembly comprises a support block hinged to the bottom end of the support column.

Through adopting above-mentioned technical scheme, reduced the pressure of support column to ground.

Preferably, the bottom end of the supporting block is provided with a rubber pad.

Through adopting above-mentioned technical scheme, have the guard action to the support column.

Preferably, the driving mechanism comprises a first hydraulic cylinder, the first hydraulic cylinder is hinged to the bottom end of the supporting plate, and a piston rod of the first hydraulic cylinder is hinged to the supporting rod.

Through adopting above-mentioned technical scheme, realize the lift drive of support column.

Preferably, the bottom fixed mounting of backup pad has two spacing strips that are the symmetry and set up, spacing strip is the U type setting along length direction's cross-section, the slider is the sliding connection setting with spacing strip.

By adopting the technical scheme, the sliding block can slide stably.

The beneficial effect of this application does:

1. through the installation to second pneumatic cylinder and slider, second pneumatic cylinder drive slider slides between two spacing strips, realizes perhaps packing up transferring of bracing piece through spacing, has improved the level when undercarriage is packed up, has reduced the impact of silt to the undercarriage, has prolonged the life of undercarriage.

2. Through the installation to actuating mechanism, hydraulic pressure increase in the first pneumatic cylinder drives the bracing piece and descends along the spout, and the stopper slides in the spacing groove, realizes that the support column glides in a support section of thick bamboo, has had the automatic drive function.

In conclusion, the semitrailer lifting frame has an automatic driving function, solves the problem that the lifting process is time-consuming and labor-consuming due to the fact that the existing semitrailer lifting frame is driven in a hand-cranking mode when in use, and is suitable for popularization.

Drawings

FIG. 1 is a schematic structural diagram of the present application;

FIG. 2 is a view of the installed configuration of the pressure relief assembly of the present application;

fig. 3 is a mounting structure diagram of the drive mechanism of the present application.

Reference numbers in the figures: 1. a carriage; 2. a support plate; 3. a support member; 4. a support cylinder; 5. a support pillar; 6. a limiting block; 7. a limiting groove; 8. a support block; 9. a rubber pad; 10. a support bar; 11. a chute; 12. a first hydraulic cylinder; 13. a second hydraulic cylinder; 14. a limiting strip; 15. a slider; 16. a limiting frame.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1-3, a semitrailer with an undercarriage, comprising a carriage 1 and a supporting plate 2, wherein the supporting plate 2 is fixedly arranged at the bottom end of the carriage 1, two supporting members 3 which are symmetrically arranged are fixedly arranged at the bottom end of the supporting plate 2, a supporting cylinder 4 is rotatably arranged on the surface of one side, away from the two supporting members 3, of the supporting cylinder 4, the supporting members 3 have a supporting function on the supporting cylinder 4, supporting columns 5 are sleeved in the supporting cylinder 4 in a sliding manner, supporting rods 10 are fixedly arranged on the opposite sides of the two supporting columns 5 together to realize the fixed connection function of the two supporting rods 10, the supporting cylinder 4 is provided with a sliding chute 11 matched with the supporting rods 10, a second hydraulic cylinder 13 is fixedly arranged at the bottom end of the supporting plate 2 and has a driving function, two limiting strips 14 which are symmetrically arranged are fixedly arranged at the bottom end of the supporting plate 2, the limiting strips 14 are arranged in a U shape along the section of the length direction, have the supporting role, have slider 15 at the piston rod end fixed mounting of second pneumatic cylinder 13, have the supporting role, slider 15 is sliding connection with spacing 14 and sets up, articulates in slider 15's bottom has spacing 16, and spacing 16 is the Y type setting, and spacing 16 is articulated the setting with bracing piece 10.

Referring to fig. 2, be provided with spacing subassembly on a support section of thick bamboo 4, spacing subassembly includes stopper 6, and two stoppers 6 are the symmetry setting about support column 5, lie in the relative both sides surface of support column 5 respectively with two stoppers 6, offer at the inner wall of a support section of thick bamboo 4 with support column 5 assorted spacing groove 7, realize the steady slip of support column 5 on a support section of thick bamboo 4.

Pressure reducing assembly is installed to the bottom of support column 5, and pressure reducing assembly includes supporting shoe 8, articulates supporting shoe 8 in the bottom of support column 5, has reduced the pressure of ground to support column 5, is provided with rubber pad 9 in the bottom of supporting shoe 8, has the cushioning effect.

Referring to fig. 3, a driving mechanism is disposed at the top end of the supporting plate 2, the driving mechanism includes a first hydraulic cylinder 12, the first hydraulic cylinder 12 is hinged to the bottom end of the supporting plate 2, and a piston rod of the first hydraulic cylinder 12 is hinged to the supporting rod 10 and has a driving source.

The working principle is as follows: this application is when using, at first 13 drive sliders 15 of second pneumatic cylinder slide between two spacing 14, realize the transfer to bracing piece 10 through spacing 16, realize that support column 5 rotates with 4 synchronous supporting cylinders, until perpendicular with carriage 1, hydraulic pressure increase in first pneumatic cylinder 12 after that, drive bracing piece 10 and descend along spout 11, stopper 6 slides in spacing groove 7, realize support column 5 gliding in supporting cylinder 4, rubber pad 9 cooperates support block 8 to have reduced support column 5 to ground pressure, the realization is to the rise and fall of carriage 1.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. A semitrailer with an undercarriage comprises a carriage (1) and a supporting plate (2), and is characterized in that the supporting plate (2) is fixedly installed at the bottom end of the carriage (1), two supporting pieces (3) which are symmetrically arranged are fixedly installed at the bottom end of the supporting plate (2), a supporting cylinder (4) is installed on one side surface, away from the supporting pieces (3), of the supporting cylinder (4), a supporting column (5) is sleeved in the supporting cylinder (4) in a sliding mode, a limiting component is arranged on the supporting cylinder (4), a pressure reducing component is installed at the bottom end of the supporting column (5), a supporting rod (10) is jointly and fixedly installed on one opposite side of the two supporting columns (5), a sliding groove (11) matched with the supporting rod (10) is formed in the supporting cylinder (4), a driving mechanism is arranged at the top end of the supporting plate (2), a second hydraulic cylinder (13) is fixedly installed at the bottom end of the supporting plate (2), the piston rod end part fixed mounting of second pneumatic cylinder (13) has slider (15), the bottom of slider (15) articulates there is spacing (16), spacing (16) are the Y type setting, spacing (16) are articulated the setting with bracing piece (10).

2. A semitrailer with landing gear according to claim 1, characterized in that the limiting component comprises two limiting blocks (6), the two limiting blocks (6) are symmetrically arranged with respect to the supporting column (5), the two limiting blocks (6) are respectively located on two opposite side surfaces of the supporting column (5), and the inner wall of the supporting cylinder (4) is provided with a limiting groove (7) matched with the supporting column (5).

3. A semitrailer with landing gear according to claim 1, characterised in that the decompression assembly comprises a support block (8), said support block (8) being hinged to the bottom end of the supporting column (5).

4. A semitrailer with landing gear according to claim 3, characterised in that the bottom end of the support block (8) is provided with a rubber pad (9).

5. A semitrailer with landing gear according to claim 1, characterised in that said driving mechanism comprises a first hydraulic cylinder (12), said first hydraulic cylinder (12) being hinged to the bottom end of the supporting plate (2), the piston rod of said first hydraulic cylinder (12) being hinged to the supporting rod (10).

6. A semitrailer with landing gear according to claim 1, characterized in that two symmetrically arranged limiting strips (14) are fixedly mounted at the bottom end of the supporting plate (2), the limiting strips (14) are arranged in a U-shaped manner along the section of the length direction, and the sliding block (15) is slidably connected with the limiting strips (14).