CN214574265U

CN214574265U - Casting type guide wheel for excavator

Info

Publication number: CN214574265U
Application number: CN202120097275.7U
Authority: CN
Inventors: 黄哲人
Original assignee: Quanzhou Pingtai Construction Machinery Co ltd
Current assignee: Quanzhou Pingtai Construction Machinery Co ltd
Priority date: 2021-01-14
Filing date: 2021-01-14
Publication date: 2021-11-02
Anticipated expiration: 2031-01-14

Abstract

The utility model discloses a casting formula guide wheel for excavator, concretely relates to excavator technical field, including the guide wheel body, guide wheel body top and bottom all are equipped with guide wheel support, two guide wheel support one side all is equipped with the guide shaft, two all be equipped with first sealing washer between the guide wheel support of guide shaft and relevant position, all be equipped with floating oil seal between the guide wheel support of guide wheel body and relevant position. The utility model discloses a set up the third sealing washer, prevent that earth, grit etc. from getting into floating oil seal from the gap between interior hexagonal socket head cap screw and the guide wheel support inside, through setting up first sealing washer, prevent that earth, grit etc. from getting into floating oil seal from the clearance between guide wheel support and the guide wheel shaft inside, improve the leakproofness, can further block earth, grit etc. through setting up the second sealing washer inside entering floating oil seal, the leakproofness is good, long service life.

Description

Casting type guide wheel for excavator

Technical Field

The utility model relates to an excavator technical field, concretely relates to casting formula guide wheel for excavator.

Background

An excavator, also known as a digger, is an earth moving machine that excavates materials above or below a bearing surface with a bucket and loads them into a transport vehicle or unloads them to a stockyard, where the materials excavated by the excavator are mainly soil, coal, silt, and soil and rock after pre-loosening. In view of the development of construction machines in recent years, the development of excavators is relatively fast, and the excavator has become one of the most important construction machines in construction. The most important three parameters of the excavator: operating weight (mass), engine power and bucket capacity, the guide wheels are a reusable component of the excavator.

The existing guide wheel has poor sealing performance and is easy to leak oil, so that the service life of the guide wheel is influenced.

The above information disclosed in this background section is only for enhancement of understanding of the background of the disclosure and therefore it may contain information that does not constitute prior art that is already known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a cast guide wheel for excavator to the leakproofness is poor among the solution prior art, leaks oil easily, influences the life's of guide wheel problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cast formula guide wheel for excavator, includes the guide wheel body, guide wheel body top and bottom all are equipped with the guide wheel support, two guide wheel support one side all is equipped with the guide shaft, two all be equipped with first sealing washer between the guide shaft and the guide wheel support of relevant position, all be equipped with floating oil seal, two between the guide wheel support of guide wheel body and relevant position the inside second sealing washer that all is equipped with of floating oil seal, guide wheel body one side is equipped with two bimetal covers.

In a preferred embodiment, elastic cylindrical pins are arranged on both the guide wheel shafts.

In a preferred embodiment, the rear sides of the two guide wheel brackets are provided with inner hexagonal socket head cap screws, and the two inner hexagonal socket head cap screws are respectively in threaded connection with the guide wheel brackets at corresponding positions.

In a preferred embodiment, the outer peripheral surfaces of the two socket head cap screws are movably sleeved with third sealing rings.

In a preferred embodiment, the first seal ring, the second seal ring and the third seal ring are all O-ring seals.

The utility model discloses a technological effect and advantage:

the utility model discloses a set up the third sealing washer, prevent earth, inside sand etc. gets into floating oil seal from the gap between interior hexagonal socket head cap screw and the guide wheel support, through setting up first sealing washer, prevent earth, inside sand etc. gets into floating oil seal from the clearance between guide wheel support and the guide wheel shaft, improve the leakproofness, can further block earth through setting up the second sealing washer, inside sand etc. enter into floating oil seal, guarantee floating oil seal's leakproofness, prevent the oil leak, compared with the prior art, the leakproofness is good, long service life.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

FIG. 1 is a sectional view of the overall structure of the present invention;

fig. 2 is a front view of the wheel body of the guide wheel of the present invention;

FIG. 3 is a side view of the overall structure of the present invention;

FIG. 4 is an enlarged view of the structure A of FIG. 1 according to the present invention;

in the figure: the guide wheel comprises a guide wheel support 1, a guide wheel body 2, a guide wheel shaft 3, an elastic cylindrical pin 4, a first sealing ring 5, a bimetal sleeve 6, a second sealing ring 7, a floating oil seal 8, a third sealing ring 9 and a hexagon socket head cap screw 10.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.

Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, steps, and so forth. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.

Referring to the attached drawings 1-4 in the specification, the cast guide wheel for the excavator in the embodiment includes a guide wheel body 2, guide wheel supports 1 are respectively arranged at the top and the bottom of the guide wheel body 2, guide wheel shafts 3 are respectively arranged on one side of each of the two guide wheel supports 1, first seal rings 5 are respectively arranged between the two guide wheel shafts 3 and the corresponding guide wheel supports 1, floating oil seals 8 are respectively arranged between the guide wheel body 2 and the corresponding guide wheel supports 1, second seal rings 7 are respectively arranged in the two floating oil seals 8, and two bimetal sleeves 6 are arranged on one side of the guide wheel body 2.

Furthermore, elastic cylindrical pins 4 are arranged on the two guide wheel shafts 3, so that the installation and the disassembly are convenient.

Furthermore, the rear sides of the two guide wheel supports 1 are respectively provided with an inner hexagonal socket head cap screw 10, and the two inner hexagonal socket head cap screws 10 are respectively in threaded connection with the guide wheel supports 1 at corresponding positions, so that the installation and the disassembly are convenient.

Further, two equal movable sleeves of hexagonal socket head cap head screw 10 outer peripheral face are equipped with third sealing washer 9, further improve the leakproofness.

Further, the first seal ring 5, the second seal ring 7, and the third seal ring 9 are all O-ring seals.

The implementation scenario is specifically as follows: before joining in marriage, each part should thoroughly remove sharp arris, the burr, and the sanitization, floating oil seal 8 and second sealing washer 7 should degrease, it is dry, through setting up third sealing washer 9, prevent earth, sand etc. get into inside floating oil seal 8 from the gap between hexagon socket head cap screw 10 and the guide wheel support 1, through setting up first sealing washer 5, prevent earth, sand etc. get into inside floating oil seal 8 from the clearance between guide wheel support 1 and the guide wheel axle 3, improve the leakproofness, can further block earth through setting up second sealing washer 7, sand etc. get into inside floating oil seal 8, guarantee floating oil seal 8's leakproofness, prevent oil leakage, the leakproofness is good, long service life, this embodiment has specifically solved among the prior art leakproofness poor, easy oil leakage, influence the problem of the life of guide wheel.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cast guide wheel for excavator, includes guide wheel body (2), its characterized in that: the guide wheel is characterized in that a guide wheel support (1) is arranged at the top and the bottom of the guide wheel body (2), one side of the guide wheel support (1) is provided with a guide wheel shaft (3), the other side of the guide wheel support (1) is provided with a first sealing ring (5), a floating oil seal (8) is arranged between the guide wheel body (2) and the guide wheel support (1) at the corresponding position, the floating oil seal (8) is provided with a second sealing ring (7) inside, and two double metal sleeves (6) are arranged on one side of the guide wheel body (2).

2. The cast guide wheel for an excavator according to claim 1, wherein: elastic cylindrical pins (4) are arranged on the two guide wheel shafts (3).

3. The cast guide wheel for an excavator according to claim 1, wherein: the rear sides of the two guide wheel supports (1) are respectively provided with an inner hexagonal socket head cap screw (10), and the two inner hexagonal socket head cap screws (10) are respectively in threaded connection with the guide wheel supports (1) at corresponding positions.

4. The cast guide wheel for an excavator according to claim 3, wherein: and the outer peripheral surfaces of the two inner hexagonal socket head cap screws (10) are movably sleeved with third sealing rings (9).

5. The cast guide wheel for an excavator according to claim 4, wherein: the first sealing ring (5), the second sealing ring (7) and the third sealing ring (9) are all O-shaped sealing rings.