CN215904591U

CN215904591U - Lithium electricity steer axle wheel limit structure

Info

Publication number: CN215904591U
Application number: CN202121922172.6U
Authority: CN
Inventors: 叶俊; 王杰; 郭顺; 左维; 丁小兰
Original assignee: Anqing Heli Axle Co ltd
Current assignee: Anqing Heli Axle Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-25
Anticipated expiration: 2031-08-16

Abstract

The utility model provides a lithium battery steering axle wheel edge structure, which comprises a steering axle body and further comprises: the steering knuckle is provided with symmetrical upper and lower end parts in a direction perpendicular to the axle head, and is rotatably arranged in the main pin boss of the steering axle body through tapered roller bearings sleeved on the outer walls of the upper and lower end parts; and the gland is embedded in the side wall of one side of the main pin boss and is used for fixing the steering knuckle along the axial direction of the upper end part and the lower end part, a sealing ring for sealing the tapered roller bearing is arranged at the joint of the upper end part and the main pin boss, a through hole embedded with the gland is arranged in the main pin boss, the gland is fixedly arranged on the outer wall of the main pin boss through a bolt, and an O-shaped ring is further arranged between the outer wall of the gland and the inner wall of the through hole. According to the utility model, the steering knuckle and the tapered roller bearing are designed into a directly connected integral structure, so that the steering knuckle and the tapered roller bearing can be integrally assembled from the upper end part to the lower end part during installation, and compared with the traditional installation form, the steering knuckle and the tapered roller bearing have the characteristic of convenience in assembly and disassembly.

Description

Lithium electricity steer axle wheel limit structure

Technical Field

The utility model relates to the technical field of steering axle machinery, in particular to a wheel edge structure for a lithium-ion electric steering axle.

Background

Lithium electric drive's fork truck steer axle receives extensive application because of its have high efficiency energy-conservation, green's characteristics, traditional steer axle structure adopts bearing plus thrust ball bearing's structural style more, the atress effect is poor, spatial structure overall arrangement is great, in addition, traditional steer axle need install after the king pin seat with upper and lower bearing when the assembly, install the knuckle between the upper and lower spacer on the king pin again, and carry out the assistance-localization real-time installation through the adjustment pad, whole installation process is complicated, waste time and energy.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a lithium-ion electric steering axle wheel rim structure which is convenient to assemble and disassemble, and the specific technical scheme is as follows:

the utility model provides a lithium electricity steer axle wheel limit structure, includes the steer axle body, still includes:

the steering knuckle is provided with symmetrical upper and lower end parts in a direction perpendicular to the axle head, and is rotatably arranged in the main pin boss of the steering axle body through tapered roller bearings sleeved on the outer walls of the upper and lower end parts; and

and the gland is embedded in the side wall of one side of the main pin boss and is used for axially fixing the steering knuckle along the upper end part and the lower end part.

Preferably, a sealing ring for sealing the tapered roller bearing is arranged at the joint of the upper end part and the main pin base.

Preferably, a through hole embedded with the gland is formed in the main pin base, the gland is fixedly arranged on the outer wall of the main pin base through a bolt, and an O-shaped ring is further arranged between the outer wall of the gland and the inner wall of the through hole.

According to the technical scheme, the utility model has the following beneficial effects

1. According to the utility model, the steering knuckle and the tapered roller bearing are designed into a directly connected integral structure, so that the steering knuckle and the tapered roller bearing can be integrally assembled from the upper end part to the lower end part during installation, and compared with the traditional installation form, the tapered roller bearing has the characteristic of convenience in assembly and disassembly.

2. According to the utility model, the sensor assembly is reasonable and compact in spatial structure layout, and can monitor the vehicle running condition in real time.

3. According to the utility model, the steering axle body is provided with the oil cylinder limiting bolt, so that the stroke of the steering oil cylinder can be effectively protected, and the steering oil cylinder can be more stable and safer in the operation process.

Drawings

FIG. 1 is a general schematic view of a steer axle of the present invention;

FIG. 2 is a schematic view of the wheel rim structure of the steer axle of the present invention.

In the figure: 10. a steering axle body; 110. a master pin boss; 120. a connecting rod; 130. a steering cylinder; 140. a limit bolt; 20. a knuckle; 210. a shaft head; 220. upper and lower end portions; 30. a tapered roller bearing; 40. a gland; 50. a seal ring; an O-ring; 70. oil sealing; 80. a sensor assembly; 810. a fixed seat; 820. a fixed cover; 830. a sensor; 90. a hub.

Detailed Description

The present invention will be described in detail with reference to the drawings and specific embodiments, wherein prior to describing embodiments of the present invention in detail, the terms and terminology used herein are used to explain the same or similar structures and components with the same names or same reference numbers for illustrative purposes only.

Example (b):

referring to fig. 1 and 2, a lithium battery steer axle wheel limit structure includes steer axle 10, and further includes:

the steering knuckle 20 is provided with symmetrical upper and lower end parts 220 in the direction vertical to the axle head 210, and is rotatably arranged in the main pin boss 110 of the steering axle body through a tapered roller bearing 30 sleeved on the outer walls of the upper and lower end parts; and

the gland 40, the gland inlays and establishes in the sidewall of one side of the main pin boss, is used for along the axial fixed knuckle 20 of upper and lower end, when using, a tapered roller bearing outer race is placed in the inner wall of upper end of the steering bridge, the inner race is installed and the outer wall of upper end of the knuckle, another tapered roller bearing inner race is installed in the outer wall of lower end of the knuckle, then fix the knuckle in the main pin boss through the gland, utilize the gland to realize fixing the tapered roller bearing of lower end at the same time, thus realize the knuckle is linked with the rotation of the main pin boss, the utility model designs the integral structure of direct connection with tapered roller bearing, can assemble from knuckle upper end to lower end integral type, have assemble and dismantle the convenient characteristic.

As a preferred embodiment of the present invention, a seal ring 50 is provided at a joint between the upper end portion and the kingpin boss in order to seal the tapered roller bearing on the upper end portion side of the knuckle.

As a preferred embodiment of the present invention, in order to facilitate the pressing of the pressing cover 40 into the main pin boss, a through hole for fitting the pressing cover is formed in the main pin boss, and after the pressing cover is pressed into the main pin boss, the pressing cover is fixedly mounted on the outer wall of the main pin boss by a bolt.

Further, an O-ring 60 is further arranged between the outer wall of the gland 40 and the inner wall of the through hole, so that the sealing performance of the gland and the main pin base in pressing fit can be improved through the O-ring, and lubricating oil arranged in the main pin base is prevented from leaking from the joint of the gland and the main pin base.

As a preferable embodiment of the present invention, the tapered roller bearing outer race of the lower end outer wall abuts against the inner wall of the gland 40, and the seal oil seal 70 is provided at the joint between the lower end and the gland outer wall, whereby the tapered roller bearing on the lower end side can be sealed by the seal oil seal, and the leakage of the lubricating oil for lubricating the tapered roller bearing inside the gland can be prevented.

As a preferred technical solution of the present invention, the lithium-ion battery steer axle wheel rim structure includes a sensor assembly 80, the sensor assembly includes a fixing seat 810 disposed on an inner wall of the kingpin base 110 on a side away from the gland, the fixing seat is provided with a fixing cover 820, the fixing cover is provided with a sensor 830 for detecting a turning angle of the knuckle along the kingpin base, and specifically, the sensor is an angle sensor, which can measure a turning angle of the knuckle when an upper end portion and a lower end portion of the knuckle rotate along the inner wall of the kingpin base, so as to detect the steering angle of the steer axle hub in real time.

As a preferred technical solution of the present invention, the lithium-ion battery steer axle wheel rim structure further includes a steer cylinder 130 disposed on the steer axle body 10, a piston rod of an output end of the steer cylinder is rotatably connected to the knuckle through a connecting rod 120, and is used for driving the knuckle to rotate along the main pin base during operation, and a limit bolt 140 is further disposed on the steer axle body, and is used for limiting a displacement limit of the piston rod of the steer cylinder, that is, playing a role of mechanical limit, so as to achieve a purpose of limiting a rotation angle limit of the knuckle, and prevent an excessive rotation angle of hubs on both sides of the steer axle body.

In addition, in the actual use process, in order to lubricate the tapered roller bearing in the gland, an oil nozzle can be arranged on the gland and used for injecting lubricating oil into the gland.

Further, a hub 90 is arranged on the steering knuckle spindle head 210 of the lithium electric steering axle, the hub is also rotationally connected with the spindle head through a tapered roller bearing, and a hub cover used for sealing the hub is arranged at the end part of the hub.

The working principle is as follows: the steering cylinder 130 is fixed on a steering axle body through a cylinder bolt, the sensor 830 is fixed on a sensor fixing cover 820 through a sensor fixing screw, the sensor fixing cover is fixed on a sensor fixing seat 810, the outer ring of one tapered roller bearing 30 is installed at the upper end of the steering axle body 10, the inner ring is installed at the upper end part of a steering knuckle 20 and sealed through a sealing ring 50, the inner ring of the other tapered roller bearing is installed at the lower end part of the steering knuckle, the steering knuckle is fixed in the main pin seat 110 through a gland 40, and the tapered roller bearing is fixed by utilizing the connection of the outer ring of the tapered roller bearing at the lower end part and the inner wall of the gland.

The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. The utility model provides a lithium electricity steer axle wheel limit structure, includes steer axle body (10), its characterized in that still includes:

the steering knuckle (20) is provided with symmetrical upper and lower end parts (220) in the direction vertical to the shaft head (210), and is rotatably arranged in a steering axle main pin seat (110) through a tapered roller bearing (30) sleeved on the outer walls of the upper and lower end parts; and

and the gland (40) is embedded in the side wall of one side of the main pin boss and is used for fixing the steering knuckle (20) along the axial direction of the upper end part and the lower end part.

2. The lithium-ion electric steering axle rim structure according to claim 1, characterized in that a sealing ring (50) for sealing the tapered roller bearing (30) is arranged at the joint of the upper end part and the main pin base.

3. The lithium electric steering axle wheel edge structure of claim 1, wherein a through hole embedded with a gland is formed in the kingpin boss, the gland is fixedly arranged on the outer wall of the kingpin boss through a bolt, and an O-shaped ring (60) is further arranged between the outer wall of the gland (40) and the inner wall of the through hole.

4. The lithium electric steering axle rim structure according to claim 3, wherein the tapered roller bearing outer ring of the outer wall of the lower end portion abuts against the inner wall of the gland (40), and a sealing oil seal (70) is arranged at the joint of the lower end portion and the outer wall of the gland.

5. The lithium-ion electric steering axle rim structure of claim 1, further comprising a sensor assembly (80), wherein the sensor assembly comprises a fixing seat (810) disposed on the kingpin base (110) at an end far away from the pressing cover, a fixing cover (820) fixedly disposed on the fixing seat, and a sensor (830) disposed on the fixing cover for detecting a rotation angle of the upper end portion and the lower end portion of the steering knuckle along the kingpin base.

6. The lithium-ion battery steering axle wheel edge structure according to claim 1, further comprising a steering cylinder (130) disposed on the steering axle body (10) and rotationally connected to the steering knuckle through a connecting rod (120), wherein a limit bolt (140) for limiting a stroke of a piston rod of the steering cylinder is further disposed on a side wall of the steering axle body.