Thrust wheel with novel structure

Abstract

The utility model discloses a thrust wheel with a novel structure, which comprises a load-bearing wheel hollow shaft, deep groove bearings, sealing sheets, a wear-resistant sheet, a waterproof sealing piece and a load-bearing wheel body, the load-bearing wheel hollow shaft is symmetrically sleeved with the deep groove bearings, the sealing sheets are symmetrically arranged on the two sides of the deep groove bearings, the wear-resistant sheet is attached to one side of each deep groove bearing, and the waterproof sealing piece is attached to the other side of each deep groove bearing. The wear-resisting piece is attached to the waterproof sealing piece, and the waterproof sealing piece is connected into the side face ring groove in a sleeved mode. According to the utility model, the hollow shaft of the bearing wheel is supported by the supporting side cover and the supporting seat, the wheel body of the bearing wheel is rotatably supported by the deep groove bearings which are symmetrically sleeved on the hollow shaft of the bearing wheel, and the sealing sheets are arranged on the two sides of the deep groove bearings to serve as sealing structures of the wheel shaft; meanwhile, a wear-resisting piece and a waterproof sealing piece are arranged at the connecting position of the deep groove bearing and the supporting side cover, so that the sealing performance is guaranteed, a traditional connecting structure of a metal sleeve and a floating oil seal is replaced, the bearing capacity is high, jamming is avoided after integral installation, the rotating flexibility is guaranteed, the sealing performance is effectively improved, and the hidden danger of oil leakage is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of track wheels, in particular to a track wheel with a new structure. Background Art

[0002] The track roller is an important component in the chassis of crawler engineering machinery. It is mainly used to support the weight of the engineering machinery and roll on the guide rails, track links or track plate surfaces of the tracks to drive the tracks forward. Its main function is to support the weight of the engineering machinery and ensure that the machinery can run stably on various terrains. The existing track rollers support the rotating shaft and the wheel body through internal symmetrical metal sleeves, and are sealed by floating oil seals and O-rings. Due to the friction connection of the metal sleeves, the pressure-bearing capacity of the track rollers is poor, and jamming is likely to occur during use, affecting the flexibility of rotation. Therefore, it is necessary to design a new structure of track rollers. Utility Model Content

[0003] The purpose of the utility model is to provide a new type of supporting wheel structure, which is used to solve the problem that the existing supporting wheel supports the rotating shaft and the wheel body through an internal symmetrical metal sleeve and is sealed by a floating oil seal and an O-ring. The friction connection of the metal sleeve leads to poor pressure-bearing capacity of the supporting wheel, and it is easy to get stuck during use, which affects the rotation flexibility.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a new structure of a supporting wheel, including a hollow shaft of a supporting wheel, a deep groove bearing, a sealing plate, a wear-resistant plate, a waterproof seal, a side ring groove, a supporting side cover, a supporting wheel body, an elastic locating pin, a supporting seat, an installation notch, an annular groove, a shaft sealing ring, a side ring body and a center groove, the hollow shaft of the supporting wheel is symmetrically sleeved with a deep groove bearing, and sealing plates are symmetrically arranged on both sides of the deep groove bearing, a wear-resistant plate is attached to one side of the deep groove bearing, and the wear-resistant plate is attached to the waterproof seal, the waterproof seal is sleeved in the side ring groove, and the side ring groove is opened on the supporting side cover, and the deep groove bearing is symmetrically sleeved on the inner wall of the supporting wheel body.

[0005] As a further technical solution of the utility model, an elastic positioning pin is fitted and sleeved in the grooves symmetrically provided on the hollow shaft of the load-bearing wheel.

[0006] As a further technical solution of the utility model, both ends of the hollow shaft of the load-bearing wheel are sleeved on the support seat, and a support side cover is provided on one side of the support seat.

[0007] As a further technical solution of the utility model, installation slots are symmetrically installed on the support seat.

[0008] As a further technical solution of the utility model, annular grooves are symmetrically provided on the hollow shaft of the load-bearing wheel, and a shaft sealing ring is sleeved in the annular groove.

[0009] As a further technical solution of the utility model, the shaft sealing ring is fitted on the inner wall of the support seat.

[0010] As a further technical solution of the utility model, side ring bodies are symmetrically arranged on both sides of the load-bearing wheel body, and the side ring bodies are rotatably connected to the supporting side covers, and a central groove is opened on the side wall of the load-bearing wheel body.

[0011] The utility model provides a new type of supporting wheel structure, which has the advantages that the hollow shaft of the supporting wheel is supported by the supporting side cover and the supporting seat, and the wheel body of the supporting wheel is rotatably supported by the deep groove bearing symmetrically sleeved on the hollow shaft of the supporting wheel, sealing sheets are arranged on both sides of the deep groove bearing as the sealing structure of the wheel axle, and wear-resistant sheets and waterproof sealing components are arranged at the connection between the deep groove bearing and the supporting side cover to ensure the sealing performance, replacing the traditional connection structure of the metal sleeve and the floating oil seal, having a strong load-bearing capacity, and will not get stuck after assembly, thereby ensuring the flexibility of rotation, thereby effectively improving the sealing performance and avoiding the hidden danger of oil leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0014] Figure 2 for Figure 1 A partial enlarged view of the middle A area;

[0015] Figure 3 for Figure 1 A partial enlarged view of the middle B area;

[0016] Figure 4 It is a side structural schematic diagram of the utility model.

[0017] In the figure: 1. hollow shaft of load-bearing wheel; 2. deep groove bearing; 3. sealing plate; 4. wear-resistant plate; 5. waterproof sealing element; 6. side ring groove; 7. supporting side cover; 8. load-bearing wheel body; 9. elastic positioning pin; 10. supporting seat; 11. mounting notch; 12. annular groove; 13. shaft sealing ring; 14. side ring body; 15. center groove. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] Please see attached Figure 1 -Attached Figure 4 The utility model provides an embodiment: a new structure of a track wheel, including a track wheel hollow shaft 1, a deep groove bearing 2, a sealing sheet 3, a wear-resistant sheet 4, a waterproof seal 5, a side ring groove 6, a support side cover 7, a track wheel body 8, an elastic positioning pin 9, a support seat 10, an installation notch 11, an annular groove 12, a shaft sealing ring 13, a side ring body 14 and a center groove 15, a deep groove bearing 2 is symmetrically sleeved on the track wheel hollow shaft 1, and sealing sheets 3 are symmetrically arranged on both sides of the deep groove bearing 2, a wear-resistant sheet 4 is attached to one side of the deep groove bearing 2, and the wear-resistant sheet 4 is attached to the waterproof seal 5, the waterproof seal 5 is sleeved in the side ring groove 6, and the side ring groove 6 is provided on the support side cover 7, the deep groove bearing 2 is symmetrically sleeved on the track wheel body 8 On the inner wall of the load-bearing wheel; elastic locating pins 9 are sleeved in the grooves symmetrically provided on the hollow shaft 1 of the load-bearing wheel; both ends of the hollow shaft 1 of the load-bearing wheel are sleeved on the support seat 10, and a support side cover 7 is provided on one side of the support seat 10; mounting notches 11 are symmetrically installed on the support seat 10; annular grooves 12 are symmetrically provided on the hollow shaft 1 of the load-bearing wheel, and a shaft sealing ring 13 is sleeved in the annular groove 12; the shaft sealing ring 13 fits on the inner wall of the support seat 10; side ring bodies 14 are symmetrically provided on both sides of the load-bearing wheel body 8, and the side ring bodies 14 are rotatably connected to the support side cover 7, and a central groove 15 is provided on the side wall of the load-bearing wheel body 8. The central groove 15 is provided on the load-bearing wheel body 8 so that the load-bearing wheel body 8 presents a saddle-shaped appearance, thereby improving the load-bearing capacity of the wheel body;

[0021] Specifically, when in use, the hollow shaft 1 of the load-bearing wheel is supported by the supporting side cover 7 and the supporting seat 10, and the wheel body 8 of the load-bearing wheel is rotatably supported by the deep groove bearing 2 symmetrically sleeved on the hollow shaft 1 of the load-bearing wheel. Sealing sheets 3 are arranged on both sides of the deep groove bearing 2 as a sealing structure of the wheel axle. At the same time, wear-resistant sheets 4 and waterproof seals 5 are arranged at the connection between the deep groove bearing 2 and the supporting side cover 7 to ensure the sealing performance, which replaces the traditional connection structure of the metal sleeve and the floating oil seal, has a strong load-bearing capacity, will not get stuck after assembly, and ensures the flexibility of rotation.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they may be distributed on multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the scheme of this embodiment. Ordinary technicians in this field can understand and implement it without paying creative labor.

[0024] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A new type of supporting wheel structure, comprising a supporting wheel hollow shaft (1), a deep groove bearing (2), a sealing sheet (3), a wear-resistant sheet (4), a waterproof sealing member (5), a side ring groove (6), a supporting side cover (7), a supporting wheel body (8), an elastic positioning pin (9), a supporting seat (10), a mounting notch (11), an annular groove (12), a shaft sealing ring (13), a side ring body (14) and a central groove (15), characterized in that: A deep groove bearing (2) is symmetrically sleeved on the hollow shaft (1) of the load-bearing wheel, and sealing sheets (3) are symmetrically arranged on both sides of the deep groove bearing (2), a wear-resistant sheet (4) is attached to one side of the deep groove bearing (2), and the wear-resistant sheet (4) is attached to a waterproof sealing member (5), the waterproof sealing member (5) is sleeved in a side ring groove (6), and the side ring groove (6) is provided on a supporting side cover (7), and the deep groove bearing (2) is symmetrically sleeved on the inner wall of the wheel body (8) of the load-bearing wheel.

2. The new type of track roller according to claim 1 is characterized in that: An elastic positioning pin (9) is sleeved in the groove symmetrically provided on the load-bearing wheel hollow shaft (1).

3. The new type of track roller according to claim 2 is characterized in that: The two ends of the load-bearing wheel hollow shaft (1) are sleeved on a support seat (10), and a support side cover (7) is provided on one side of the support seat (10).

4. The new type of track roller according to claim 3 is characterized in that: The support seat (10) is symmetrically provided with mounting notches (11).

5. The new structure of the track roller according to claim 2 is characterized in that: The load-bearing wheel hollow shaft (1) is symmetrically provided with an annular groove (12), and a shaft sealing ring (13) is sleeved in the annular groove (12).

6. The new structure of the track wheel according to claim 5 is characterized in that: The shaft sealing ring (13) is fitted on the inner wall of the support seat (10).

7. The new type of track roller according to claim 1 is characterized in that: Side ring bodies (14) are symmetrically arranged on both sides of the load-bearing wheel body (8), and the side ring bodies (14) are rotatably connected to the supporting side covers (7). A central groove (15) is opened on the side wall of the load-bearing wheel body (8).

Images