CN218906799U

CN218906799U - Axle locking device of semitrailer

Info

Publication number: CN218906799U
Application number: CN202320049774.8U
Authority: CN
Inventors: 周磊
Original assignee: Jiangsu Hengcheng Special Vehicle Co ltd
Current assignee: Jiangsu Hengcheng Special Vehicle Co ltd
Priority date: 2023-01-09
Filing date: 2023-01-09
Publication date: 2023-04-25
Anticipated expiration: 2033-01-09

Abstract

The utility model discloses an axle locking device of a semitrailer, and relates to the technical field of semitrailers. Including the main part axle, install quick fixing device on the main part axle, install buffer gear on the quick fixing device, buffer gear includes: the quick-release bolt comprises a sliding connecting block, a quick-release bolt, a first spring, a second spring, a sliding stabilizer bar and bolt fixing screws, wherein two sliding connecting blocks are arranged on a quick-release fixing device, one end of each first spring is fixedly arranged on the sliding connecting block, a plurality of sliding stabilizer bars are in sliding connection in the sliding connecting block, one end of each second spring is fixedly arranged on the sliding stabilizer bar, and one end of each second spring far away from the sliding stabilizer bar is fixedly arranged on the sliding connecting block; the utility model not only can rapidly detach and install the axle, but also can buffer the front, back, left and right of the axle, and avoids potential safety hazards such as cracks and the like caused by hard connection of welding pieces for connecting the axle and the longitudinal beam of the carriage.

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

The semitrailer is a trailer with an axle arranged behind the center of gravity of the vehicle and provided with a coupling device capable of transmitting horizontal and vertical forces to a tractor, at present, the axle and the longitudinal beam of the semitrailer are connected with each other through screws, the semitrailer is usually used for transporting cargoes, the connection between the axle and the longitudinal beam of the carriage is a vulnerable area in long-time transportation jolt, the welding part of the axle extending fixing piece and the axle is damaged, the largest stressed area is the connection position of the axle and the longitudinal beam of the carriage except for the shock absorption of wheels in the running process of the vehicle, and the crack of a welding part is usually not easy to observe in the interior, so that the maintenance cost of the semitrailer is indirectly improved.

Disclosure of Invention

The utility model aims to provide an axle locking device of a semitrailer, which not only can be used for rapidly disassembling and installing an axle, but also can be used for buffering the front, the back, the left and the right of the axle, and avoids potential safety hazards such as cracks and the like caused by hard connection of welding pieces for connecting the axle and a carriage longitudinal beam.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an axle locking device of semitrailer, includes main part axle, install quick fixing device on the main part axle, install buffer gear on the quick fixing device, buffer gear includes: the quick-release bolt comprises a sliding connecting block, a quick-release bolt, a first spring, a second spring, a sliding stabilizer bar and bolt fixing screws, wherein the sliding connecting block is arranged on a quick-release fixing device, one end of the first spring is fixedly arranged on the sliding connecting block, the sliding stabilizer bars are in sliding connection with the sliding connecting block, one end of the second spring is fixedly arranged on the sliding stabilizer bar, one end of the second spring, which is far away from the sliding stabilizer bar, is fixedly arranged on the sliding connecting block, the quick-release bolt is arranged on the two sliding connecting blocks, and the bolt fixing screws are arranged on the quick-release bolt.

As a further scheme of the utility model: the quick-fixing device comprises: the automobile middle plate comprises a fixed connection bottom plate, a supporting plate, connecting screws, middle plates and T-shaped connecting plates, wherein the fixed connection bottom plate is arranged on a main body axle through the connecting screws, a plurality of supporting plates are fixedly arranged on the upper side surface of the fixed connection bottom plate, the middle plates are arranged on the supporting plate, and the two T-shaped connecting plates are symmetrically arranged on the upper side surface of the middle plates along the central axis of the middle plates.

As a further scheme of the utility model: and a carriage longitudinal beam connecting plate is arranged on the upper side of the sliding connecting block.

As a further scheme of the utility model: and each T-shaped connecting plate is connected with a sliding connecting block in a sliding manner.

As a further scheme of the utility model: the left side of the quick release bolt is provided with an opening, and one end of the first spring, which is far away from the sliding connecting block, is clung to the T-shaped connecting plate.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the axle can be rapidly disassembled and assembled compared with the traditional axle through the rapid fixing device, and the front, back, left and right of the axle can be buffered through the buffer mechanism, so that potential safety hazards such as cracks and the like caused by hard connection of welding pieces for connecting the axle and the carriage longitudinal beam are avoided.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 isbase:Sub>A sectional view A-A ofbase:Sub>A front view of the present utility model;

FIG. 4 is a sectional view B-B of a front view of the present utility model.

In the figure: 1. a main body axle; 2. a quick fixing device; 201. fixedly connecting the bottom plate; 202. a support plate; 203. a connecting screw; 204. a middle layer plate; 205. a T-shaped connecting plate; 3. a buffer mechanism; 301. a sliding connection block; 302. quick-release bolts; 303. a first spring; 304. a second spring; 305. a sliding stabilizer bar; 306. a bolt fixing screw; 4. carriage longitudinal beam connecting plates; 5. and (5) opening holes.

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.

Referring to fig. 1 to 4, the embodiment of the present utility model includes a main axle 1, a quick fixing device 2 is installed on the main axle 1, a buffer mechanism 3 is installed on the quick fixing device 2, and the buffer mechanism 3 includes: the quick-release type automobile chassis comprises a sliding connecting block 301, a quick-release bolt 302, a first spring 303, a second spring 304, sliding stabilizing rods 305 and bolt fixing screws 306, wherein the two sliding connecting blocks 301 are arranged on the quick-release type automobile chassis 2, one end of each first spring 303 is fixedly arranged on each sliding connecting block 301, a plurality of sliding stabilizing rods 305 are in sliding connection with each other in the sliding connecting blocks 301, one end of each second spring 304 is fixedly arranged on each sliding stabilizing rod 305, one end of each second spring 304, which is far away from each sliding stabilizing rod 305, is fixedly arranged on each sliding connecting block 301, the quick-release bolts 302 are arranged on the two sliding connecting blocks 301, and the bolt fixing screws 306 are arranged on the quick-release bolts 302, so that buffering is facilitated between an axle and a longitudinal beam of a carriage.

Wherein the quick-fixing device 2 comprises: the device comprises a fixed connection bottom plate 201, a support plate 202, connecting screws 203, a middle layer plate 204 and T-shaped connecting plates 205, wherein the fixed connection bottom plate 201 is arranged on a main body axle 1 through the connecting screws 203, a plurality of support plates 202 are fixedly arranged on the upper side surface of the fixed connection bottom plate 201, the middle layer plate 204 is arranged on the support plate 202, and the two T-shaped connecting plates 205 are symmetrically arranged on the upper side surface of the middle layer plate 204 along the central axis of the middle layer plate 204, so that quick disassembly and fixation are facilitated; the carriage longitudinal beam connecting plate 4 is arranged on the upper side of the sliding connecting block 301; a sliding connection block 301 is slidably connected to each T-shaped connection plate 205; the left side of the quick release bolt 302 is provided with an opening 5, and one end of the first spring 303, which is far away from the sliding connecting block 301, is clung to the T-shaped connecting plate 205.

The working principle of the utility model is as follows: when an axle is to be locked and installed, the fixed connection bottom plate 201 is installed on the main axle 1 through the connection screw 203, the carriage longitudinal beam connection plate 4 is installed on the carriage longitudinal beam through the screw, the bolt fixing screw 306 is unscrewed, the quick-release bolt 302 is pulled out of the two sliding connection blocks 301, the axle and the carriage are connected together through the sliding connection between the T-shaped connection plate 205 and the sliding connection blocks 301, the axle moves back and forth to drive the T-shaped connection plate 205 to move back and forth, the T-shaped connection plate 205 moves back and forth to buffer the T-shaped connection plate 205 through the first spring 303, the axle moves left and right to drive the T-shaped connection plate 205 to move left and right, the T-shaped connection plate 205 moves left and right to drive the sliding stabilizer bar 305 to buffer left and right through the second spring 304, the driving screw connection is avoided, a hard connection is formed between the axle and the carriage longitudinal beam, the vehicle carrying a large amount of goods cannot be buffered through wheels in the vehicle shaking process, the damage occurs to the axle and the carriage, and the welding piece is usually difficult to observe the trailer indirectly, the cost is reduced indirectly, the axle is not easy to install and the bridge is difficult to detach, and the bridge is easy to install and the bridge is easy to repair and the bridge is easy, and the bridge is easy to detach, and the bridge is easy to repair and the bridge is easy to install and the fast and the bridge is easy to repair and the fast and the easy to repair.

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. An axle locking device of semitrailer, its characterized in that: including the main part axle, install quick fixing device on the main part axle, install buffer gear on the quick fixing device, buffer gear includes sliding connection block, quick detach bolt, first spring, second spring, sliding stabilization pole and bolt set screw, two sliding connection block installs on quick fixing device, first spring one end fixed mounting is on sliding connection block, and is a plurality of sliding stabilization pole sliding connection is in sliding connection block, second spring one end fixed mounting is on sliding stabilization pole, the one end fixed mounting that sliding stabilization pole was kept away from to the second spring is on sliding connection block, quick detach bolt is installed on two sliding connection blocks, bolt set screw is installed on quick detach bolt.

2. The axle locking device of a semitrailer according to claim 1, wherein: the quick fixing device comprises a fixed connection bottom plate, a support plate, connecting screws, middle layer plates and T-shaped connecting plates, wherein the fixed connection bottom plate is installed on a main body axle through the connecting screws, a plurality of support plates are fixedly installed on the upper side surface of the fixed connection bottom plate, the middle layer plates are installed on the support plate, and the two T-shaped connecting plates are symmetrically installed on the upper side surface of the middle layer plates along the central axis of the middle layer plates.

3. The axle locking device of a semitrailer according to claim 1, wherein: and a carriage longitudinal beam connecting plate is arranged on the upper side of the sliding connecting block.

4. The axle locking device of a semitrailer according to claim 2, wherein: and each T-shaped connecting plate is connected with a sliding connecting block in a sliding manner.

5. The axle locking device of a semitrailer according to claim 1, wherein: the left side of the quick release bolt is provided with an opening, and one end of the first spring, which is far away from the sliding connecting block, is clung to the T-shaped connecting plate.