CN216915396U

CN216915396U - Steering drive axle for telescopic arm forklift

Info

Publication number: CN216915396U
Application number: CN202123371378.7U
Authority: CN
Inventors: 张凤仪; 龚泉; 刘剑敏; 郭水龙
Original assignee: Jiangxi Fenyi Drive Axle Co ltd
Current assignee: Jiangxi Fenyi Drive Axle Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-08
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of engineering vehicle drive axles, in particular to a steering drive axle for a telescopic arm forklift, which adopts the following technical scheme: the utility model provides a flexible arm fork truck is with steering drive axle, adopts modularization multistage integrated configuration, includes the pontic, central reducer, steering cylinder assembly, turns to supporting component, hub reduction gear and swing seat around and, its characterized in that: the central speed reducer is provided with a mounting excircle of the front and rear swinging seats, and the front and rear swinging seats are sleeved on the central speed reducer through the mounting excircle; compared with the prior art, the method has the advantages that: the modularized multi-section combination design is adopted, and each functional module can be customized as required so as to meet the working condition requirements of different hosts; the application of the steering oil cylinder assembly and the front and rear swinging seats enables the drive axle to meet the steering requirement and have the use working conditions of tires on different terrains; a larger steering angle is achieved, providing stable use.

Description

Steering drive axle for telescopic arm forklift

The technical field is as follows:

the utility model relates to the technical field of engineering vehicle drive axles, in particular to a steering drive axle for a telescopic arm forklift.

Background art:

a telescopic boom forklift is a forklift equipped with a telescopic boom, on which a fork or an attachment is usually mounted, and capable of hoisting or forking goods. The fork of the forklift can cross obstacles, pass through orifices and the like to perform fork loading operation, and can stack and unstack multiple rows of goods under complex working conditions. Therefore, the driving axle of the forklift not only needs to be capable of steering, but also needs to have the use conditions that the tires and the ground are in different contact states. In order to improve the performance of the forklift, further research on the drive axle is needed.

The utility model content is as follows:

one of the objects of the present invention is to provide a steering drive axle for a telescopic forklift truck which solves at least one of the problems of the related art.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a flexible arm fork truck is with steering drive axle, adopts modularization multistage integrated configuration, includes the pontic, central reducer, steering cylinder assembly, turns to supporting component, wheel reduction gear and swing seat around, central reducer sets up at the pontic middle part, is provided with steering cylinder's installation interface on the central reducer, and steering cylinder assembly passes through the installation interface and sets up at central reducer top front side, wheel reduction gear sets up the one end at the supporting component that turns to, the other end that turns to supporting component passes through upper and lower two sets of bearings and fixes the both ends of extending about the pontic, its characterized in that: the central speed reducer is provided with a front and back swing seat installation excircle, and the front and back swing seat is sleeved on the central speed reducer through the installation excircle.

Preferably, the front and rear swinging seats are rigidly connected with the frame through cylindrical pin positioning, and the drive axle can swing left and right around a common axis of the front and rear swinging seats so as to ensure the stable contact between the tire and the ground under different terrains; after the front and rear swing seats are connected with the frame, the central speed reducer is limited from slipping, and meanwhile, the swing of the drive axle can be realized.

Preferably, the steering cylinder assembly is a two-action constant-speed two-way cylinder assembly which is fixedly mounted on the front side of the top of the central reducer through bolts, and the left end and the right end of the steering cylinder assembly are respectively connected with the steering support component to provide steering power for the whole axle.

Preferably, the central reducer is connected to the wheel reducers through half shafts arranged on the left arm and the right arm of the axle body, and a planetary gear differential is arranged in the central reducer, so that differential matching can be automatically performed when the left wheel reducer and the right wheel reducer are needed.

Preferably, a wet multi-disc brake is provided between the axle body and the central reduction gear as a main brake member of the entire axle.

The utility model has the advantages that: the modularized multi-section combination design is adopted, and each functional module can be customized as required so as to meet the working condition requirements of different hosts; the application of the steering oil cylinder assembly and the front and rear swinging seats enables the drive axle to meet the steering requirement and have the use working conditions of tires on different terrains; a larger steering angle is achieved, providing stable use.

Description of the drawings:

fig. 1 is a front view of a steering drive axle for a telescopic arm forklift in embodiment 1;

fig. 2 is a top view of a steering drive axle for a telescopic arm forklift in embodiment 1;

FIG. 3 is a schematic view showing a connection between a steering drive axle and a frame for a telescopic arm forklift in embodiment 1;

fig. 4 is a partially cut-away view of a steering drive axle for a telescopic arm forklift in embodiment 1.

The specific implementation mode is as follows:

to facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Example 1: referring to fig. 1-4, a flexible arm fork truck is with turning to transaxle adopts modularization multistage integrated configuration, including pontic 1, central reducer 2, steering cylinder assembly 3, turn to supporting component 4, wheel reduction gear 5 and swing seat 6 around, central reducer 2 sets up at pontic 1 middle part, is provided with the installation interface 21 of steering cylinder assembly 3 on the central reducer 2, and steering cylinder assembly 3 sets up at central reducer 2 top front side through installation interface 21, wheel reduction gear 5 sets up the one end at steering supporting component 4, the other end of steering supporting component 4 is fixed at the both ends that the pontic 1 extended about to through upper and lower two sets of bearings 41, and central reducer 2 is last to be provided with swing seat 6's installation excircle 22 around, and swing seat 6 overlaps through installation excircle 22 and is established on the central reducer 2 around.

Preferably, the front and rear swinging seats 6 are positioned and rigidly connected with the frame 7 through cylindrical pins 61, and the drive axle can swing left and right around the common axis of the front and rear swinging seats 6 so as to ensure the stable contact between the tire and the ground under different terrains.

Preferably, the steering cylinder assembly 3 is a double-acting constant-speed bidirectional cylinder assembly 31 fixedly mounted on the front side of the top of the central reducer 2 by bolts 30, and the left and right ends of the steering cylinder assembly 3 are respectively connected with the steering support component 4 to provide steering power for the whole axle.

Preferably, the central reduction gear 2 is connected to the wheel reduction gears 5 through half shafts 11 provided on both left and right arms of the axle body 1, and a planetary gear differential 23 is provided inside the central reduction gear 2, so that differential matching can be automatically performed when necessary for the left and right wheel reduction gears 5.

Preferably, a wet-type multi-plate brake 8 is provided between the axle body 1 and the central reduction gear 2 as a main brake member of the entire axle.

The utility model adopts a modularized multi-section combination design, and each functional module can be customized according to the requirement so as to meet the working condition requirements of different hosts; the application of the steering oil cylinder assembly and the front and rear swinging seats enables the drive axle to meet the steering requirement and have the use working conditions of tires on different terrains; a larger steering angle is achieved, providing stable use.

The above-mentioned embodiments only express some embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a flexible arm fork truck is with steering drive axle, adopts modularization multistage integrated configuration, includes the pontic, central reducer, steering cylinder assembly, turns to supporting component, wheel reduction gear and swing seat around, central reducer sets up at the pontic middle part, is provided with steering cylinder's installation interface on the central reducer, and steering cylinder assembly passes through the installation interface and sets up at central reducer top front side, wheel reduction gear sets up the one end at the supporting component that turns to, the other end that turns to supporting component passes through upper and lower two sets of bearings and fixes the both ends of extending about the pontic, its characterized in that: the central speed reducer is provided with a front and back swing seat installation excircle, and the front and back swing seat is sleeved on the central speed reducer through the installation excircle.

2. A steer-drive axle for a reach truck as recited in claim 1, wherein: the front and rear swinging seats are rigidly connected with the frame through cylindrical pin positioning, and the drive axle can swing left and right around the common axis of the front and rear swinging seats.

3. A steer-drive axle for a reach truck as recited in claim 1, wherein: the steering oil cylinder assembly is a double-acting constant-speed bidirectional oil cylinder assembly which is fixedly arranged on the front side of the top of the central speed reducer through bolts, and the left end and the right end of the steering oil cylinder assembly are respectively connected with the steering support component.

4. A steer-drive axle for a reach truck as recited in claim 1, wherein: the central speed reducer is connected with the hub speed reducer through half shafts arranged on the left arm and the right arm of the axle body, and a planetary gear differential mechanism is arranged in the central speed reducer.

5. A steer-drive axle for a reach truck as claimed in any one of claims 1 to 4, wherein: and a wet multi-disc brake is arranged between the bridge body and the central speed reducer.