CN218839608U

CN218839608U - Guide wheel assembly of crawler excavator with novel sealing structure

Info

Publication number: CN218839608U
Application number: CN202223033215.2U
Authority: CN
Inventors: 王声鸿
Original assignee: Yongchun County Shenghong Heavy Industry Machinery Co ltd
Current assignee: Yongchun County Shenghong Heavy Industry Machinery Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-04-11
Anticipated expiration: 2032-11-15

Abstract

The utility model discloses a guide wheel assembly of crawler excavator with novel sealing structure in the technical field of excavator equipment, which comprises a wheel body, an arm blocking ring and a side plate, wherein the arm blocking ring extends from the middle of the wheel surface of the wheel body, an optical axis penetrates through the middle part of the wheel body, an axle sleeve is sleeved outside the optical axis, and the wheel body is rotationally connected with the optical axis through the axle sleeve; this guide wheel assembly of crawler excavator with novel seal structure's setting, structural design is reasonable, through installing outer loop and inner ring between curb plate and wheel body, and the inner ring, the curb plate, constitute the cavity between optical axis and the axle sleeve, can place fixed butter in this cavity, and then with wheel body and axle sleeve, lubricate between axle sleeve and the optical axis, inner ring and outer loop can seal the center of wheel body, in order to prevent that the butter from being polluted and reducing its lubricated effect by external earth, thereby make the loss of part fall to minimumly.

Description

Guide wheel assembly of crawler excavator with novel sealing structure

Technical Field

The utility model relates to an excavator equipment technical field specifically is guide wheel assembly of crawler excavator with novel seal structure.

Background

The crawler traveling system is widely applied to engineering machinery such as excavators and cranes due to strong bearing capacity and good passing performance. The crawler walking system comprises a crawler frame, a crawler, a tensioning device, a four-wheel-one-belt structure and the like, wherein the four-wheel-one-belt structure refers to a guide wheel, a driving wheel, a thrust wheel, a chain supporting wheel and the crawler.

Its curb plate of current guide wheel when using is connected with the wheel body through the optical axis, but the tip of optical axis leaks in the external world suddenly, when the excavator was under construction in earth, its earth is continuous to be contacted with the optical axis, can make the epaxial lubricant film of optical run off and then can increase the friction loss of its axis body. For this reason, new technical solutions need to be designed to solve the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a guide wheel assembly of crawler excavator with novel seal structure to solve its curb plate of guide wheel that proposes in the above-mentioned background and be connected with the wheel body through the optical axis when using, but the tip of optical axis leaks in the external world by force, when the excavator is under construction in earth, its earth is continuous and the optical axis contact, can make the epaxial lubricating layer run off and then can increase the problem of the friction loss of its axis body.

In order to achieve the above purpose, the utility model provides a following technical scheme: guide wheel assembly with novel seal structure's crawler-type excavator, including wheel body, fender arm ring and curb plate, department extends in the middle of the wheel face of wheel body has keep off the arm ring, the middle part of wheel body runs through there is the optical axis, the axle sleeve has been cup jointed to the outside of optical axis, the wheel body passes through the axle sleeve with optical axis swivelling joint, two the curb plate respectively through the bolt with the both ends of optical axis are fixed, the optical axis with it has outer loop and inner ring to peg graft between the wheel body, the outer loop with the inner ring can with wheel body swivelling joint, the tip of curb plate has the connecting seat through the bolt fastening.

In order to reduce the frictional force between axle sleeve and wheel body and the optical axis in the guide slot with the butter introduction, as the utility model discloses a crawler-type excavator's guide wheel assembly with novel seal structure is preferred, the inside wall of axle sleeve is opened has the interior guide slot of annular distribution, the outer guide slot that has the annular distribution is opened to the lateral wall of axle sleeve.

In order to prevent that earth from entering into the gap between optical axis and the curb plate, as the utility model discloses a guide wheel assembly of crawler excavator with novel seal structure is preferred, the lateral wall of curb plate is inlayed and is had the protecting cover, the protecting cover cladding in the tip of optical axis.

In order to strike off earth on fender arm ring and the wheel face, as the utility model discloses a guide wheel assembly with crawler excavator of novel seal structure is preferred, the inside wall of connecting seat has the scraper blade through the bolt fastening, the scraper blade with keep off the arm ring with the wheel face contact of wheel body.

In order to improve the leakproofness between outer loop and wheel body and the curb plate, as the utility model discloses a crawler excavator's guide wheel assembly with novel seal structure is preferred, the both sides wall of outer loop extends respectively has a bulge loop, the outer loop passes through respectively the bulge loop with the wheel body with the curb plate contact.

Compared with the prior art, the beneficial effects of the utility model are that: this guide wheel assembly of crawler excavator with novel seal structure's setting, structural design is reasonable, through installing outer loop and inner ring between curb plate and wheel body, and the inner ring, the curb plate, constitute the cavity between optical axis and the axle sleeve, can place fixed butter in this cavity, and then with wheel body and axle sleeve, lubricate between axle sleeve and the optical axis, inner ring and outer loop can seal the center of wheel body, in order to prevent that the butter from being polluted and reducing its lubricated effect by external earth, thereby make the loss of part fall to minimumly.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

fig. 3 is a schematic diagram of the inner structure of the outer ring of the present invention.

In the figure: 1. a wheel body; 2. an arm blocking ring; 3. a side plate; 4. a connecting seat; 5. a squeegee; 6. an outer ring; 7. an optical axis; 8. a protective cover; 9. an inner ring; 10. a shaft sleeve; 11. an inner guide groove; 12. an outer guide groove; 13. a convex ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: comprises a wheel body 1, a retaining arm ring 2 and a side plate 3.

In the technical scheme, the guide wheel assembly of the crawler excavator with the novel sealing structure is characterized in that a blocking arm ring 2 extends in the middle of the wheel surface of a wheel body 1, an optical shaft 7 penetrates through the middle of the wheel body 1, a shaft sleeve 10 is sleeved outside the optical shaft 7, the wheel body 1 is rotatably connected with the optical shaft 7 through the shaft sleeve 10, two side plates 3 are respectively fixed to two ends of the optical shaft 7 through bolts, an outer ring 6 and an inner ring 9 are inserted between the optical shaft 7 and the wheel body 1, the outer ring 6 and the inner ring 9 can be rotatably connected with the wheel body 1, and a connecting seat 4 is fixed to the end portion of each side plate 3 through a bolt;

in the technical scheme, the wheel body 1, the optical axis 7, the side plate 3 and the connecting seat 4 are matched with each other for use and used for guiding a crawler belt of the excavator, the outer ring 6 and the inner ring 9 are used for sealing and protecting the position of the optical axis 7 exposed from the wheel body 1, and a cavity formed among the inner ring 9, the side plate 3, the optical axis 7 and the shaft sleeve 10 can be used for storing solid butter.

In some embodiments, referring to fig. 3, the inner side wall of the sleeve 10 is provided with an inner guide groove 11 distributed annularly, and the outer side wall of the sleeve 10 is provided with an outer guide groove 12 distributed annularly.

In this arrangement, the use of the inner and

outer guide grooves

11, 12 allows grease to be introduced into the sleeve 10, thereby lubricating the contact surfaces between the sleeve 10 and the optical axis 7 and between the sleeve 10 and the wheel 1.

In some technical solutions, referring to fig. 2, a protective cover 8 is embedded on an outer side wall of the side plate 3, and the protective cover 8 covers an end portion of the optical axis 7.

In this solution, the use of the protective cover 8 can cover the end of the optical axis 7 to prevent sand from entering the gap between the optical axis 7 and the side plate 3, thereby increasing the wear of the structure.

In some technical solutions, referring to fig. 1-2, the inner side wall of the connecting seat 4 is fixed with a scraper 5 through a bolt, and the scraper 5 contacts with the wheel surface of the arm-blocking ring 2 and the wheel body 1.

In this kind of technical scheme, the use of scraper blade 5 can scrape off the earth on wheel body 1 and fender arm ring 2 surface to prevent that earth from piling up and causing the jam and make wheel body 1 can not freely rotate in the middle of wheel body 1 and connecting seat 4.

In some embodiments, referring to fig. 2-3, two side walls of the outer ring 6 extend to form a protruding ring 13, and the outer ring 6 contacts the wheel body 1 and the side plate 3 through the protruding rings 13.

In this kind of technical scheme, the bulge loop 13 must be used and can improve the outer ring 6 and the wheel body 1 and the lateral plate 3 between the leakproofness of connecting, and then improve the protective properties to optical axis 7.

The working principle is as follows: insert with wheel body 1 respectively earlier outer loop 6 and inner ring 9, scribble the butter in the inner chamber of inner ring 9 again, be connected curb plate 3 and optical axis 7 again and make the inner chamber of inner ring 9 be in encapsulated situation, and outer loop 6 and inner ring 9 seal protection to the rotatory position of wheel body 1 jointly, install connecting seat 4 on excavator chassis again, aim at wheel body 1 and fender arm ring 2 and track again, the track drives wheel body 1 rotatory when rotatory, and wheel body 1 rotates through axle sleeve 10 and optical axis 7, axle sleeve 10 is rotatory in-process with the butter through the inner guide groove 11 and the inner chamber depths of outer guide groove 12 introduction wheel body 1, so that lubricate the contact surface of axle sleeve 10 and wheel body 1 and axle sleeve 10 and optical axis 7, with the loss that reduces the equipment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1. Guide wheel assembly with novel seal structure's crawler-type excavator, its characterized in that: including wheel body (1), fender arm ring (2) and curb plate (3), the wheel face middle department of wheel body (1) extends to have keep off arm ring (2), the middle part of wheel body (1) runs through optical axis (7), axle sleeve (10) have been cup jointed to the outside of optical axis (7), wheel body (1) passes through axle sleeve (10) with optical axis (7) swivelling joint, two curb plate (3) respectively through the bolt with the both ends of optical axis (7) are fixed, optical axis (7) with it has outer loop (6) and inner ring (9) to peg graft between wheel body (1), outer loop (6) with inner ring (9) can with wheel body (1) swivelling joint, the tip of curb plate (3) passes through the bolt fastening and has connecting seat (4).

2. The guide wheel assembly of a crawler excavator with a novel sealing structure as claimed in claim 1, wherein: the inner side wall of the shaft sleeve (10) is provided with inner guide grooves (11) which are distributed in an annular mode, and the outer side wall of the shaft sleeve (10) is provided with outer guide grooves (12) which are distributed in an annular mode.

3. The guide wheel assembly of a crawler excavator with a novel sealing structure as claimed in claim 1, wherein: the lateral wall of curb plate (3) is inlayed and is had protecting cover (8), protecting cover (8) cladding in the tip of optical axis (7).

4. The guide wheel assembly of a crawler excavator having a novel sealing structure as set forth in claim 1, wherein: the inner side wall of the connecting seat (4) is fixed with a scraper (5) through a bolt, and the scraper (5) is in contact with the wheel surface of the arm retaining ring (2) and the wheel body (1).

5. The guide wheel assembly of a crawler excavator with a novel sealing structure as claimed in claim 1, wherein: two side walls of the outer ring (6) are respectively extended with a convex ring (13), and the outer ring (6) is respectively contacted with the wheel body (1) and the side plate (3) through the convex rings (13).