A supporting wheel that is easy to install and use

Abstract

The utility model relates to the technical field of supporting wheels for engineering machinery, and discloses a supporting wheel that is easy to install and use, including a support shaft, wheel bodies rotatably provided at both ends of the support shaft, mounting seats detachably provided at both ends of the support shaft for connection with a chassis, mounting holes penetrating through the mounting seats, blocking covers detachably provided at both ends of the support shaft, the blocking covers are used to limit the wheel body, the wheel body includes a load-bearing part, and a retaining edge is provided on the outer side of the load-bearing part for limiting the track to prevent lateral displacement. All components of the utility model adopt an axially symmetrical structure, which can effectively control the center of gravity at the axis position and ensure the stability of rotation. The utility model adopts a split structure, which divides the traditional supporting wheel outer shell into two left and right wheel bodies, and each wheel body rotates separately, which reduces the overall weight, facilitates installation, and improves maintainability.

Description

Technical Field

[0001] The utility model relates to the technical field of supporting wheels for engineering machinery, in particular to a supporting wheel which is easy to install and use. Background Art

[0002] The track roller is used to support the weight of the tracked vehicle and roll on the track rails (track links) or track shoe surfaces. It is also used to limit the track to prevent lateral slippage.

[0003] Chinese patent CN215205125U discloses a track roller that is easy to install and use, and relates to the technical field of track rollers, including a track roller shaft, a bearing sleeve arranged in the middle of the track roller shaft, and a track roller shell sleeved in the middle of the track roller shaft, the track roller shell including two detachable first and second half wheels of the same specification, the first and second half wheels are relatively sleeved on the track roller shaft and the bearing sleeve, the first and second half wheels are respectively provided with rectangular connecting pieces on the left and right sides, each of the rectangular connecting pieces is detachably connected with a plurality of bolts, and the rectangular connecting pieces of the first and second half wheels are respectively locked on the track roller shaft by bolts.

[0004] The above technical solution adopts a detachable first half wheel and second half wheel combination for the supporting wheel housing, which has high requirements for processing accuracy. Low processing accuracy will cause the asymmetry of the first half wheel and the second half wheel, which will cause the center of gravity to shift, resulting in uneven gravity, eccentric vibration, wear of the track and other problems, thereby reducing the service life and even causing safety hazards. Utility Model Content

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A supporting wheel that is easy to install and use, comprising a support shaft, a wheel body rotatably provided at both ends of the support shaft, mounting seats detachably provided at both ends of the support shaft for connection with a chassis, mounting holes penetrated through the mounting seats, baffles detachably provided at both ends of the support shaft, the baffles being used to limit the wheel body, the wheel body comprising a load-bearing portion, a retaining edge being provided on the outer side of the load-bearing portion for limiting the track to prevent lateral shift.

[0007] Preferably, a first step surface is provided near the middle of both ends of the support shaft, a second step surface is provided outside the first step surface, a third step surface is provided outside the second step surface, a first bushing is provided on the first step surface, a second bushing is provided on the third step surface, a first bearing is provided on the first bushing, a second bearing is provided on the second bushing, and the wheel body is provided on the first bearing and the second bearing.

[0008] Preferably, the support shaft has only threaded portions at both ends, the blocking cover is threadedly connected to the threaded portions, a thrust ball bearing is arranged on the inner side of the blocking cover, and the outer end surface of the thrust ball bearing contacts the outer side surface of the wheel body.

[0009] Preferably, polygonal plug-in columns are provided at both ends of the support shaft, and a threaded hole is provided in the middle of the plug-in columns.

[0010] Preferably, a plug-in hole corresponding to the plug-in column is horizontally penetrated through the middle of the mounting seat.

[0011] Preferably, a mounting sleeve is provided on the outer side of the wheel body, and a dust cover is provided on the outer side of the mounting sleeve.

[0012] Preferably, the middle sleeve of the support shaft is provided with an anti-collision sleeve.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] All components of the utility model adopt an axisymmetric structure, which can effectively control the center of gravity at the axis position and ensure the stability of rotation.

[0015] 2. The utility model adopts a split structure, dividing the traditional outer shell of the supporting wheel into two left and right wheel bodies, and each wheel body rotates independently, which reduces the overall weight, facilitates installation, and improves maintainability. When one side is damaged, it only needs to be replaced in a targeted manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a cross-sectional view of the overall structure of the utility model;

[0017] Figure 2 This is a side view of the support shaft of the utility model;

[0018] Figure 3 It is a cross-sectional view of the mounting seat of the utility model.

[0019] In the figure: 1. support shaft; 2. wheel body; 3. mounting seat; 4. mounting hole; 5. cover; 2-1. load-bearing part; 2-2. retaining edge; 6. first step surface; 7. third step surface; 8. first bushing; 9. second bushing; 10. first bearing; 11. second bearing; 12. thrust ball bearing; 13. threaded hole; 14. plug-in column; 15. mounting sleeve; 16. dust cover; 17. anti-collision sleeve; 18. plug-in hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" 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 utility model can be understood according to specific circumstances. Example

[0023] like Figure 1-3 As shown, the utility model provides a track roller that is easy to install and use, including a support shaft 1, a wheel body 2 is rotatably provided at both ends of the support shaft 1, and mounting seats 3 are detachably provided at both ends of the support shaft 1 for connecting with a chassis, and mounting holes 4 are penetrated through the mounting seats 3. Block covers 5 are detachably provided at both ends of the support shaft 1, and the block covers 5 are used to limit the wheel body 2. The wheel body 2 includes a load-bearing part 2-1, and a retaining edge 2-2 is provided on the outer side of the load-bearing part 2-1 for limiting the track and preventing lateral displacement.

[0024] In order to ensure the stability of the rotation of the wheel body 2 and at the same time ensure the limitation of the first bearing 10 and the second bearing 11, in this embodiment, a first step surface 6 is provided at both ends of the support shaft 1 near the middle, a second step surface is provided on the outside of the first step surface 6, and a third step surface 7 is provided on the outside of the second step surface. A first shaft sleeve 8 is provided on the first step surface 6, and a second shaft sleeve 9 is provided on the third step surface 7. The first shaft sleeve 8 is sleeved with a first bearing 10, and the second shaft sleeve 9 is provided with a second bearing 11. The wheel body 2 is sleeved on the first bearing 10 and the second bearing 11.

[0025] In order to prevent the wheel body 2 from moving outward, threaded portions are provided at both ends of the support shaft 1. In this embodiment, the blocking cover 5 is threadedly connected to the threaded portion, and a thrust ball bearing 12 is provided on the inner side of the blocking cover 5. The outer end surface of the thrust ball bearing 12 contacts the outer side surface of the wheel body 2.

[0026] In order not to affect the installation of the wheel body 2 and the blocking cover 5, the mounting seat 3 adopts a detachable design. In this embodiment, polygonal plug-in columns 14 are provided at both ends of the support shaft 1, and a threaded hole 13 is provided in the middle of the plug-in column 14. The mounting seat 3 is fixed by the cooperation of the bolt and the threaded hole 13. A plug-in hole 18 corresponding to the plug-in column 14 is provided horizontally through the middle of the mounting seat 3. The mounting seat 3 is fixed by the cooperation of the bolt and the threaded hole 13.

[0027] In order to reduce the intrusion of dust, mud and water into the wheel body 2 and the interior of the blocking cover 5 , in this embodiment, a mounting sleeve 15 is further provided on the outer side of the wheel body 2 , and a dust cover 16 is provided on the outer side of the mounting sleeve 15 .

[0028] In order to reduce the impact of the crawler track on the middle part of the support shaft 1, reduce noise, and at the same time reduce damage and extend the service life, in this embodiment, the middle part of the support shaft 1 is provided with an anti-collision sleeve 17.

[0029] The working principle of the above technical solution is:

[0030] When in use, the first step is to install the first sleeve 8 on the first step surface 6, and the second sleeve 9 on the third step surface 7. The second step is to install the first bearing 10 on the first sleeve 8, and the second bearing 11 on the second sleeve 9. The third step is to install the wheel body 2 on the first bearing 10 and the second bearing 11. The fourth step is to install the thrust ball bearing 12 into the cover 5, and then thread the cover 5 onto the threaded part. The fifth step is to fasten the mounting seat 3 to the support shaft 1 by bolts. The sixth step is to install the supporting wheel to the chassis by bolting through the mounting hole 4 on the mounting seat 3.

[0031] Compared with the prior art, the present invention has the following beneficial effects:

[0032] All components of the utility model adopt an axisymmetric structure, which can effectively control the center of gravity at the axis position and ensure the stability of rotation.

[0033] The utility model adopts a split structure, dividing the traditional outer shell of the supporting wheel into two left and right wheel bodies 2, and each wheel body 2 rotates independently, which reduces the overall weight, facilitates installation, and improves maintainability. When one side is damaged, it only needs to be replaced in a targeted manner.

[0034] The above are only preferred specific implementations of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A track wheel that is easy to install and use, characterized in that: The invention comprises a support shaft (1), two ends of the support shaft (1) are rotatably provided with wheel bodies (2), two ends of the support shaft (1) are detachably provided with mounting seats (3) for connecting with a chassis, the mounting seats (3) are penetrated with mounting holes (4), two ends of the support shaft (1) are detachably provided with blocking covers (5), the blocking covers (5) are used to limit the position of the wheel body (2), the wheel body (2) comprises a load-bearing part (2-1), and a retaining edge (2-2) is provided on the outer side of the load-bearing part (2-1) for limiting the position of the crawler track to prevent lateral displacement.

2. A track wheel that is easy to install and use according to claim 1, characterized in that: A first step surface (6) is provided at a position close to the middle of both ends of the support shaft (1), a second step surface is provided outside the first step surface (6), a third step surface (7) is provided outside the second step surface, a first shaft sleeve (8) is provided on the first step surface (6), a second shaft sleeve (9) is provided on the third step surface (7), a first bearing (10) is sleeved on the first shaft sleeve (8), a second bearing (11) is provided on the second shaft sleeve (9), and the wheel body (2) is sleeved on the first bearing (10) and the second bearing (11).

3. A track wheel that is easy to install and use according to claim 1, characterized in that: The support shaft (1) is provided with threaded portions at both ends, the blocking cover (5) is threadably connected to the threaded portions, a thrust ball bearing (12) is provided inside the blocking cover (5), and the outer end surface of the thrust ball bearing (12) is in contact with the outer side surface of the wheel body (2).

4. A track wheel that is easy to install and use according to claim 1, characterized in that: Polygonal plug-in columns (14) are provided at both ends of the support shaft (1), and a threaded hole (13) is provided in the middle of the plug-in column (14).

5. A track wheel that is easy to install and use according to claim 4, characterized in that: A plug-in hole (18) corresponding to the plug-in column (14) is disposed transversely through the middle of the mounting seat (3).

6. The track wheel that is easy to install and use according to claim 3, characterized in that: The outer side surface of the wheel body (2) is also provided with a mounting sleeve (15), and the outer side of the mounting sleeve (15) is provided with a dust cover (16).

7. The track wheel that is easy to install and use according to claim 1, characterized in that: The middle sleeve of the support shaft (1) is provided with an anti-collision sleeve (17).

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