CN216636655U - Excavator thrust wheel and excavator - Google Patents

Abstract

The utility model provides a thrust wheel of an excavator and the excavator, and relates to the technical field of excavators. The excavator thrust wheel includes: the spindle wheel comprises a spindle wheel body, wherein a first cavity is formed inside the spindle wheel body; the locking assembly is internally provided with a second cavity, the first end surface of the locking assembly is connected with the main shaft wheel body, and the second cavity is communicated with the first cavity; the second end surface of the locking component, which is opposite to the first end surface, is arranged in a concave surface manner; wherein the recess extends in the direction of the first cavity. According to the technical scheme, the position of the main shaft of the supporting wheel of the excavator is shortened, the structural strength is guaranteed, meanwhile, the lightweight design is carried out on the supporting wheel of the excavator, and the economical usability of the supporting wheel of the excavator is further improved.

Description

Excavator thrust wheel and excavator

Technical Field

The utility model relates to the technical field of excavators, in particular to a thrust wheel of an excavator and the excavator.

Background

The thrust wheel is an important part of a walking and supporting system of the crawler excavator and is also one of four wheels and one belt of a chassis of the crawler engineering machine, the thrust wheel mainly plays a role in supporting the weight of the excavator and a bulldozer, the crawler advances along the wheel, the machining precision requirement of a thrust wheel shaft is high, the requirement can be met only by machining the thrust wheel shaft through a numerical control machine tool, and the thrust wheel plays an important role in the using process of the excavator.

However, in actual use, the thrust wheel structure in the prior art is horizontal at the end faces of the two ends, and still has more defects, such as large friction force applied to the thrust wheel shaft, heavy structure weight, material waste, cost increase and high maintenance cost.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a thrust wheel of an excavator and the excavator, and aims to solve the defects in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the embodiment of the utility model provides a thrust wheel of an excavator, which comprises:

the spindle wheel body is internally provided with a first cavity;

the locking assembly is internally provided with a second cavity, the first end surface of the locking assembly is connected with the main shaft wheel body, and the second cavity is communicated with the first cavity;

the locking assembly is arranged on the second end surface opposite to the first end surface in a concave surface mode; wherein the recess extends in the direction of the first cavity.

Optionally, the locking assembly further comprises:

a third end face perpendicular to the first end face and the second end face, respectively;

the positioning pin is arranged on the third end face and is inserted deeply into the second cavity;

the fixing holes are formed in two sides of the positioning pin.

Optionally, the circle center of the fixing hole and the circle center of the positioning pin are located on the same straight line.

Optionally, the number of the locking assemblies is two, and the spindle wheel body is arranged between the two locking assemblies.

Optionally, a preset middle part of the outer wall of the circumferential side of the main shaft wheel body is formed into an arc transition section;

the main shaft wheel body further comprises: the limiting wheels are arranged at two ends of the main shaft wheel body and are connected with the locking assembly;

the cam is arranged at the central position of the outer wall of the circumferential side of the arc transition section.

Optionally, the excavator thrust wheel further includes:

and the O-shaped sealing rings are sleeved at two ends of the main shaft wheel body.

The embodiment of the utility model also provides an excavator, which comprises the excavator thrust wheel.

The utility model has the beneficial effects that:

in the above technical solution, the excavator thrust wheel includes: the spindle wheel body is internally provided with a first cavity; the locking assembly is internally provided with a second cavity, the first end surface of the locking assembly is connected with the main shaft wheel body, and the second cavity is communicated with the first cavity; the locking assembly is arranged on the second end surface opposite to the first end surface in a concave surface mode; wherein the recess extends in the direction of the first cavity. According to the technical scheme, the position of the main shaft of the supporting wheel of the excavator is shortened, the structural strength is guaranteed, meanwhile, the lightweight design is carried out on the supporting wheel of the excavator, and the economical usability of the supporting wheel of the excavator is further improved.

Drawings

FIG. 1 is a schematic view of a thrust wheel of an excavator according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a thrust wheel of an excavator according to an embodiment of the present invention.

Description of reference numerals:

1-main shaft wheel body; 11-an arc transition section; 12-a spacing wheel; 13-a cam; 2-a locking assembly; 21-a second cavity; 22-a second end face; 23-a third end face; 24-a locating pin; 25-fixing hole.

Detailed Description

In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided only to help the full understanding of the embodiments of the present invention. Thus, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the utility model. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

In various embodiments of the present invention, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present invention.

The utility model aims at the defects proposed in the background technology and provides an excavator supporting wheel and an excavator.

As shown in fig. 1 to 2, an alternative embodiment of the present invention provides an excavator bogie wheel comprising:

the spindle wheel comprises a spindle wheel body 1, wherein a first cavity is formed in the spindle wheel body 1;

the locking assembly 2 is provided with a second cavity 21 inside, a first end surface of the locking assembly 2 is connected with the main shaft wheel body 1, and the second cavity 21 is communicated with the first cavity;

the second end face 22 of the locking component 2 opposite to the first end face is arranged in a concave manner; wherein the recess extends in the direction of the first cavity.

In this embodiment, the concave surface is preferably an arc-shaped surface, and the center of the arc-shaped surface extends in a direction away from the first cavity, but the concave surface is not limited to this shape, and this is only a preferred example. The second end surface 22 of the locking component 2 is arranged in a concave surface manner, so that the main shaft of the main shaft wheel body 1 is indirectly shortened, the main shaft with the main shaft wheel body 1 is shortened, the weight of the whole lower supporting wheel is reduced, and the cost is saved.

Specifically, the number of the locking assemblies 2 is two, and the spindle wheel body 1 is arranged between the two locking assemblies 2.

According to the utility model, through the mutual combination of the two locking assemblies 2, a buffering effect can be achieved, the phenomenon that the thrust wheel of the excavator is crushed due to the action of the gravity of the excavator is prevented, the movement speed of the excavator is accelerated due to the fact that the thrust wheel of the excavator is provided with the balls, the two locking assemblies 2 can effectively fix the thrust wheel of the excavator on the excavator, and the phenomenon that the thrust wheel of the excavator is separated from the excavator is prevented.

Optionally, the locking assembly 2 further includes:

a third end surface 23, the third end surface 23 being perpendicular to the first end surface and the second end surface 22, respectively;

a positioning pin 24, wherein the positioning pin 24 is arranged on the third end surface 23 and is inserted into the second cavity 21; here, the positioning pin 24 is located on the central axis of the spindle wheel body 1.

A plurality of fixing holes 25, the plurality of fixing holes 25 being provided at both sides of the positioning pin 24.

Optionally, the center of the fixing hole 25 and the center of the positioning pin 24 are located on the same straight line.

In this embodiment, the concave surface extends in the direction of the first cavity, and the circle center of the fixing hole 25 and the circle center of the positioning pin 24 are located on the same straight line, so that the main shaft of the main shaft wheel body 1 of the excavator thrust wheel is ensured to be shortened, the excavator thrust wheel is designed in a light weight manner, and the economical efficiency of the excavator thrust wheel is further improved.

It should be noted that, at present, the positioning pin 24 is mostly manufactured by using high-quality carbon structural steel as a raw material. Generally, C35 steel and C45 steel are selected as the material, but heat treatment is required. Bearing steel is selected under the requirement of high strength.

Optionally, a preset middle portion of the outer wall of the circumferential side of the main shaft wheel body 1 is formed into an arc transition section 11;

the main shaft wheel body 1 further comprises: the limiting wheels 12 are arranged at two ends of the main shaft wheel body 1, and are connected with the locking component 2;

and the cam 13, wherein the cam 13 is arranged at the central position of the peripheral side outer wall of the arc transition section 11.

In this embodiment, the circumference side outer wall of the main shaft wheel body 1 is close to the middle part and is equipped with the arc transition section 11, and both ends of the main shaft wheel body 1 are all fixedly provided with the limiting wheel 12, one side of the limiting wheel 12 is equipped with the oiling mouth, the circumference side outer wall central point of the arc transition section 11 is provided with the cam 13, and through the concrete structure of the main shaft wheel body 1, the flexibility that turns to when actually walking the operation can be improved.

Optionally, the excavator thrust wheel further includes:

two O-ring seals (not shown) are sleeved on two ends of the main shaft wheel body 1.

Preferably, the O-shaped sealing ring is made of a butadiene-acrylonitrile rubber material. By adopting the scheme, the O-shaped sealing ring made of the nitrile rubber has the advantages of excellent oil resistance, higher wear resistance, better heat resistance and strong bonding force.

In conclusion, the technical scheme of the utility model shortens the position of the main shaft of the thrust wheel of the excavator, ensures the structural strength, and simultaneously performs light weight design on the thrust wheel of the excavator, and further improves the economic usability of the thrust wheel of the excavator.

The embodiment of the utility model also provides an excavator, which comprises the excavator supporting wheel.

The excavator is an excavator including the excavator supporting wheel, and the implementation of the excavator supporting wheel embodiment is also applicable to the excavator embodiment, so that the same technical effects can be achieved.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined in the following claims.

Claims (7)

1. An excavator thrust wheel, comprising:

the spindle wheel body (1), the inside of the spindle wheel body (1) is provided with a first cavity;

the locking assembly (2), a second cavity (21) is arranged inside the locking assembly (2), a first end surface of the locking assembly (2) is connected with the main shaft wheel body (1), and the second cavity (21) is communicated with the first cavity;

the locking component (2) is arranged in a concave manner relative to a second end face (22) of the first end face; wherein the recess extends in the direction of the first cavity.

2. The excavator thrust wheel of claim 1, wherein the locking assembly (2) further comprises:

a third end face (23), the third end face (23) being perpendicular to the first and second end faces (22), respectively;

a positioning pin (24), wherein the positioning pin (24) is arranged on the third end surface (23) and is inserted into the second cavity (21);

a plurality of fixing holes (25), the plurality of fixing holes (25) being provided on both sides of the positioning pin (24).

3. The excavator thrust wheel according to claim 2, wherein the center of the fixing hole (25) and the center of the positioning pin (24) are located on the same line.

4. The excavator thrust wheel according to claim 1, wherein the number of the locking assemblies (2) is two, and the main shaft wheel body (1) is arranged between the two locking assemblies (2).

5. The excavator thrust wheel according to claim 1, wherein a predetermined middle portion of the circumferential side outer wall of the main shaft wheel body (1) is formed as an arc transition section (11);

the main shaft wheel body (1) further comprises: the limiting wheels (12) are arranged at two ends of the main shaft wheel body (1) and connected with the locking component (2);

the cam (13) is arranged at the central position of the outer wall of the circumferential side of the arc transition section (11).

6. The excavator thrust wheel of claim 1, further comprising:

the two O-shaped sealing rings are sleeved at two ends of the main shaft wheel body (1).

7. An excavator comprising an excavator thrust wheel as claimed in any one of claims 1 to 6.

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