CN219029020U

CN219029020U - Axle locking device of semitrailer

Info

Publication number: CN219029020U
Application number: CN202223403885.9U
Authority: CN
Inventors: 杨建�; 袁庆宇; 杨杰个
Original assignee: Shandong Aoxing Automobile Technology Co ltd
Current assignee: Shandong Aoxing Automobile Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-16
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses an axle locking device of a semitrailer, which comprises a base, wherein a plurality of clamping blocks are arranged on the base, an axle body is arranged below the base, a clamping mechanism is arranged on the base, the clamping mechanism comprises gears which are rotatably arranged on the base, two racks are slidably arranged on the base, each rack is in meshed connection with the gears, a transverse plate is fixedly connected onto each rack, two extrusion blocks are fixedly connected onto each transverse plate, a plurality of sliding blocks are slidably arranged on the base, each extrusion block is slidably connected with the corresponding sliding block, and two springs are arranged on the base. The utility model has simple structure and lower cost, and is convenient to install and replace when the device fails, thereby being beneficial to the normal use of the semi-trailer.

Description

Axle locking device of semitrailer

Technical Field

The utility model relates to the technical field of semitrailers, in particular to an axle locking device of a semitrailer.

Background

With the development of society and the progress of technology, the technical field of semitrailers has also been greatly developed and advanced, and semitrailers are heavy transportation vehicles connected with the head of the semitrailer by traction pins, generally have axles placed behind the center of gravity of the vehicle, and are provided with coupling devices capable of transmitting horizontal and vertical forces to the tractor.

The patent number is the axle locking device of semitrailer that the document discloses for "CN216374066U", relates to the semitrailer field, including the fixed plate, the one end of fixed plate is provided with the cylinder fixing base, the top of cylinder fixing base is provided with the cylinder.

However, the axle locking device of the existing semitrailer is quite complex in structure and high in cost, and when the device breaks down, the device is inconvenient to maintain and replace because of being installed inside the vehicle body, and is time-consuming and labor-consuming, so that the normal use of the semitrailer is not facilitated.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an axle locking device of a semitrailer.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the axle locking device of the semitrailer comprises a base, wherein a plurality of clamping blocks are arranged on the base, and an axle body is arranged below the base;

the base is provided with a clamping mechanism, the clamping mechanism comprises a gear which is arranged on the base in a rotating mode, two racks are arranged on the base in a sliding mode, each rack is connected with the corresponding gear in a meshed mode, a transverse plate is fixedly connected to each rack, two extrusion blocks are fixedly connected to the transverse plate, a plurality of sliding blocks are arranged on the base in a sliding mode, each extrusion block is connected with the corresponding sliding block in a sliding mode, two springs are arranged on the base, each sliding block is fixedly connected with one end of the corresponding spring, and each sliding block is connected with the corresponding clamping block through a connecting block.

Preferably, the gear is fixedly connected with a central shaft, the base is fixedly connected with a servo motor, and an output shaft of the servo motor is fixedly connected with the central shaft.

Preferably, the base is provided with a plurality of sliding grooves, and each sliding groove is in sliding connection with a corresponding sliding block.

Preferably, the cross section of each sliding block is arranged in a right trapezoid shape, and a plurality of sliding blocks are symmetrically arranged.

Preferably, two mounting blocks are fixedly connected to the base, and each mounting block is connected with two bolts in a threaded manner.

Preferably, the cross section of each clamping block is arc-shaped, and anti-skidding lines are arranged on the clamping blocks.

In the utility model, the device has simple structure and lower cost, and is very convenient to install and replace when the device fails, thereby being beneficial to the normal use of the semi-trailer.

Drawings

FIG. 1 is a schematic front view of an axle locking device of a semitrailer according to the present utility model;

FIG. 2 is a schematic top view of a cross-sectional structure of an axle locking device of a semitrailer according to the present utility model;

fig. 3 is a schematic left view of an axle locking device of a semitrailer according to the present utility model.

In the figure: 1 base, 2 servo motor, 3 connecting blocks, 4 installation blocks, 5 bolts, 6 racks, 7 clamping blocks, 8 axle body, 9 sliding blocks, 10 central shafts, 11 gears, 12 transverse plates, 13 springs and 14 extrusion blocks.

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.

Referring to fig. 1-3, an axle locking device of a semitrailer comprises a base 1, a plurality of clamping blocks 7 are installed on the base 1, an axle body 8 is arranged below the base 1, a clamping mechanism is arranged on the base 1, the clamping mechanism comprises a gear 11 which is rotatably arranged on the base 1, two racks 6 are slidably arranged on the base 1, each rack 6 is in meshed connection with the gear 11, a transverse plate 12 is fixedly connected to each rack 6, two extrusion blocks 14 are fixedly connected to the transverse plate 12, a plurality of sliding blocks 9 are slidably arranged on the base 1, each extrusion block 14 is slidably connected with the corresponding sliding block 9, two springs 13 are arranged on the base 1, each sliding block 9 is fixedly connected with one end of the corresponding spring 13, each sliding block 9 is fixedly connected with the corresponding clamping block 7 through a connecting block 3, a central shaft 10 is fixedly connected to the gear 11, a servo motor 2 is fixedly connected to the base 1, an output shaft of the servo motor 2 is fixedly connected with the central shaft 10, the servo motor 2 is started, and the output shaft of the servo motor 2 is driven to synchronously rotate under the driving of the servo motor 2.

The base 1 is provided with a plurality of sliding grooves, each sliding groove is in sliding connection with a corresponding sliding block 9, the sliding grooves are arranged, the moving track of each sliding block 9 is limited, the sliding blocks 9 can only move along the grooves of the sliding grooves, the cross section of each sliding block 9 is in a right trapezoid shape, the sliding blocks 9 are symmetrically arranged, the cross sections of the sliding blocks 9 are arranged to be right trapezoid shapes, when the sliding blocks 14 contact and extrude the inclined planes of the corresponding sliding blocks 9, as the acting force of the sliding blocks 14 on the sliding blocks 9 has component force on the horizontal direction, the two sliding blocks 9 which are just opposite are close to each other, two mounting blocks 4 are fixedly connected to the base 1, two bolts 5 are connected to each mounting block 4 in a threaded manner, the installation blocks 4 and the installation of the bolts 5 are convenient to connect and fix the body of the device and a semitrailer, the cross section of each clamping block 7 is in an arc shape, anti-slip lines are arranged on the clamping blocks 7, and the cross sections of the clamping blocks 7 are arranged to be arc shapes, so that the surfaces of an axle body 8 can be more attached to the axle, and the anti-slip lines can guarantee the locking effect.

When the device is needed to be used, the device and the body of the semitrailer are connected and fixed through the bolts 5, the servo motor 2 is started, the output shaft of the servo motor 2 moves to drive the central shaft 10 to synchronously rotate, the central shaft 10 rotates to drive the gear 11 to rotate, the gear 11 rotates to drive the two racks 6 to move, the two racks 6 reversely move, the racks 6 move to drive the corresponding transverse plates 12 to synchronously move, the extrusion blocks 14 of the two transverse plates 12 respectively contact and extrude the corresponding sliding blocks 9, when the extrusion blocks 14 contact and extrude the inclined planes of the corresponding sliding blocks 9, the force of the extrusion blocks 14 on the sliding blocks 9 has a component force in the horizontal direction, the two sliding blocks 9 which are just opposite are mutually close, the spring 13 deforms, the sliding blocks 9 move to drive the corresponding clamping blocks 7 to synchronously move under the cooperation of the connecting blocks 3, the clamping blocks 7 simultaneously approach the axle body 8 from respective positions until the clamping blocks 7 contact and extrude the axle body 8, and the axle body 8 can be locked under the cooperation of anti-skid patterns on the clamping blocks.

Overall, for technical problems: the structure of the axle locking device of the existing semitrailer is quite complex, the cost is higher, and when the device breaks down, the device is mounted inside the vehicle body, so that the maintenance and replacement are quite inconvenient, time and labor are consumed, and the normal use of the semitrailer is not facilitated.

Adopts the technical proposal that: the utility model provides an axle locking device of semitrailer, including base 1, install a plurality of grip blocks 7 on the base 1, base 1 below is provided with axle body 8, be provided with fixture on the base 1, fixture includes the gear 11 that rotates the setting on the base 1, slide on the base 1 and be provided with two racks 6, every rack 6 all is connected with the gear 11 meshing, all fixedly connected with diaphragm 12 on every rack 6, fixedly connected with two extrusion pieces 14 on the diaphragm 12, slide on the base 1 and be provided with a plurality of sliders 9, every extrusion piece 14 all with slider 9 sliding connection that corresponds, be provided with two springs 13 on the base 1, every slider 9 all with the one end fixed connection of corresponding spring 13, every slider 9 all is connected through connecting block 3 and the grip block 7 that corresponds.

The implementation process of the technical scheme is as follows: when the device is needed to be used, the device and the body of the semitrailer are connected and fixed through the bolts 5, then the servo motor 2 is started, under the driving of the servo motor 2, the output shaft of the servo motor 2 moves to drive the central shaft 10 to synchronously rotate, the central shaft 10 rotates to drive the gear 11 to rotate, the gear 11 rotates to drive the two racks 6 to move, the two racks 6 reversely move, the racks 6 move to drive the corresponding transverse plates 12 to synchronously move, the extrusion blocks 14 of the two transverse plates 12 respectively contact and extrude the corresponding sliding blocks 9, when the extrusion blocks 14 contact and extrude the inclined planes of the corresponding sliding blocks 9, the two sliding blocks 9 which are opposite to each other are close to each other due to the fact that the acting force of the extrusion blocks 14 on the sliding blocks 9 has a component in the horizontal direction, the springs 13 deform, under the cooperation of the connecting blocks 3, the sliding blocks 9 move to drive the corresponding clamping blocks 7 to synchronously move, so that the clamping blocks 7 simultaneously approach the axle body 8 from respective positions until the clamping blocks 7 contact and extrude the axle body 8, and under the cooperation of anti-skid patterns on the clamping blocks 8.

Therefore, the technical problem can be necessarily solved, and the realized technical effects are as follows: the device has simple structure and lower cost, and is convenient to install and replace when the device fails, thereby being beneficial to the normal use of the semi-trailer.

The foregoing is only a preferred 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, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The axle locking device of the semitrailer comprises a base (1) and is characterized in that a plurality of clamping blocks (7) are arranged on the base (1), and an axle body (8) is arranged below the base (1);

be provided with fixture on base (1), fixture includes gear (11) that rotates on base (1) and set up, it is provided with two racks (6) to slide on base (1), every rack (6) all are connected with gear (11) meshing, every equal fixedly connected with diaphragm (12) on rack (6), fixedly connected with two extrusion pieces (14) on diaphragm (12), slide on base (1) is provided with a plurality of sliders (9), every extrusion piece (14) all are with slider (9) sliding connection that corresponds, be provided with two springs (13) on base (1), every slider (9) all are connected with the one end fixed connection of corresponding spring (13), every slider (9) all are connected through connecting block (3) and corresponding grip block (7).

2. The axle locking device of a semitrailer according to claim 1, wherein a central shaft (10) is fixedly connected to the gear (11), a servo motor (2) is fixedly connected to the base (1), and an output shaft of the servo motor (2) is fixedly connected to the central shaft (10).

3. The axle locking device of a semitrailer according to claim 1, characterized in that the base (1) is provided with a plurality of sliding grooves, each sliding groove being slidingly connected with a corresponding sliding block (9).

4. An axle locking device of a semitrailer according to claim 1, characterized in that the cross section of each slide (9) is arranged in a right trapezoid, and that a plurality of slide (9) are arranged symmetrically.

5. The axle locking device of a semitrailer according to claim 1, wherein two mounting blocks (4) are fixedly connected to the base (1), and two bolts (5) are screwed to each mounting block (4).

6. The axle locking device of a semitrailer according to claim 1, wherein the cross section of each clamping block (7) is arc-shaped, and anti-skid patterns are arranged on the clamping blocks (7).