Thrust wheel with anti-derailing effect

Abstract

The utility model relates to the technical field of thrust wheels, in particular to a thrust wheel with an anti-derailment effect, which comprises a thrust wheel, balance rings are arranged at the ends of the thrust wheel, a protection mechanism is arranged on the balance rings, the protection mechanism comprises a two-way screw rod, two ends of the two-way screw rod are sleeved with rotating sheets, and the rotating sheets are connected with the two-way screw rod. The outer walls of positive and negative threads of the two-way screw are both sleeved with protective sleeves in a threaded mode, angle grooves are formed in the inner wall faces of the two protective sleeves, two damping pads are symmetrically attached to the middle of a thrust wheel, the thrust wheel is installed through a rotating shaft, and an embedding groove in a connecting piece is made to be fixedly connected with an embedding block in an inserted mode. The positioning end on the mounting sleeve is used for mounting and positioning a machine, and the embedding groove and the embedding block are matched for fixing, so that the dual-fixing effect is achieved, derailing is further avoided, a track system of the engineering machine can operate normally, the fault and downtime is reduced, the working efficiency is improved, and normal operation is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of track wheels, in particular to a track wheel with an anti-derailment effect. Background Art

[0002] The track wheel is a component of the four-wheel belt of a construction machinery chassis. Its main function is to support the weight of construction machinery such as excavators, bulldozers, crawler cranes, etc., and transfer this weight to the crawler tracks so that the equipment can travel and operate smoothly on the ground.

[0003] According to Chinese patent publication number CN220220956U, the patent provides crawler crane track anti-derailment rollers, including a roller adjustment frame and rollers, the roller adjustment frame is arranged on a traveling frame in the crawler assembly, the rollers are arranged on a mounting frame in the roller adjustment frame, a slider and a first telescopic mechanism are arranged on the mounting frame, the rollers move up and down relative to the traveling frame under the action of the slider and the first telescopic mechanism on the mounting frame, the roller adjustment frame installed on the traveling frame is used to dynamically adjust the interval between the rollers and the track chain on the crawler, so that the rollers are always in contact with the track chain, effectively avoiding the problem of roller derailment, and at the same time, the diameter of the rollers is dynamically adjusted by using an additional wheel that can be expanded and adjusted on the rollers, so that the rollers are always in contact with the track chain, further enhancing the use effect and avoiding the problem of roller derailment.

[0004] The above patent adopts a reset spring structure, which changes the supporting roller from fixed support to elastic support. However, in actual application, the elasticity of the reset spring will increase the load-bearing wear of the reset spring. At the same time, the supporting roller is usually welded by inertia friction welding, which leads to insufficient support force at the welding part of the supporting roller, and is prone to breakage and derailment. In view of this, we propose a supporting roller with anti-derailment effect. Utility Model Content

[0005] The utility model aims to provide a supporting wheel with anti-derailment effect, which solves the problems that the elasticity of the return spring will increase the load-bearing wear of the return spring and the supporting force of the welding part of the supporting wheel is insufficient.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A supporting wheel with an anti-derailment effect comprises a supporting wheel, each end of the supporting wheel is provided with a balancing ring, a protective mechanism is provided on the balancing ring, the protective mechanism comprises a bidirectional screw, both ends of the bidirectional screw are sleeved with rotating plates, the outer walls of the positive and negative threads of the bidirectional screw are threadedly sleeved with protective sleeves, the inner wall surfaces of the two protective sleeves are provided with angle grooves, the middle part of the supporting wheel is symmetrically fitted with two shock-absorbing pads, the outer wall surfaces of the two shock-absorbing pads are provided with cut surfaces corresponding to the angle grooves, the two shock-absorbing pads are respectively abutted against the angle grooves through the cut surfaces, and a limiting rod is also provided on the balancing ring.

[0008] Preferably, there are two balancing rings, both ends of the bidirectional screw are rotatably connected to the two balancing rings, both ends of the two bidirectional screws are movable through the two balancing rings, there are two limit rods, both limit rods are fixedly connected between the two balancing rings, and the ends of the two protective sleeves are slidably sleeved on the two limit rods.

[0009] Preferably, there are two protective mechanisms, and another protective mechanism is also installed between the two balancing rings, and the two protective mechanisms are symmetrically arranged.

[0010] Preferably, both ends of the supporting wheels are connected with mounting sleeves, both sides of the outer wall of each mounting sleeve are fixedly connected with positioning ends, and each positioning end is provided with a positioning hole.

[0011] Preferably, both ends of the supporting wheel are provided with embedding grooves, and the ends of the supporting wheel are provided with axial holes therethrough.

[0012] Preferably, the inner wall of the shaft hole is connected to a rotating shaft, and both ends of the rotating shaft extend to the outer sides of the two ends of the supporting wheels respectively. Connecting plates are sleeved on both ends of the rotating shaft, and the two connecting plates are connected to blocks corresponding to the embedding grooves on one side close to the embedding grooves.

[0013] Preferably, the outer walls of the two embedded blocks are respectively fitted with the inner walls of the adjacent mounting sleeves, and the two embedded blocks are respectively plugged into the adjacent embedding grooves.

[0014] By means of the above technical solution, the utility model provides a supporting wheel with an anti-derailment effect. It has at least the following beneficial effects:

[0015] (1) The utility model installs the supporting wheel through the rotating shaft, so that the embedding groove and the embedding block on the connecting plate are plugged and fixed, and the positioning end on the installation sleeve is used for mechanical installation positioning, and the embedding groove and the embedding block are fixed to achieve a double fixing effect, further avoiding derailment, so that the crawler system of the engineering machinery can operate normally, reduce failures and downtime, improve work efficiency, and ensure normal operation.

[0016] (2) The utility model drives the bidirectional screw to rotate by turning the rotating plate, thereby adjusting the distance between the protective sleeves. The protective sleeve adjustment work allows the shock-absorbing pads to be freely disassembled and replaced. The protective sleeves are fitted and squeezed with the cross-section of the shock-absorbing pads through the angle grooves, thereby protecting and reinforcing the middle part of the supporting wheels. The shock-absorbing pads are used to reduce the wear and damage to the supporting wheels, improve the load-bearing protection capability, and extend their service life, thereby reducing maintenance costs and extending service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the middle supporting wheel of the utility model;

[0020] Figure 3 It is a structural schematic diagram of the protection mechanism in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the transfer shaft of the utility model.

[0022] In the figure: 1. supporting wheel; 2. balancing ring; 3. protective mechanism; 31. bidirectional screw; 32. rotating plate; 33. protective sleeve; 34. angle groove; 35. shock-absorbing pad; 36. limiting rod; 4. mounting sleeve; 5. positioning end; 6. embedding groove; 7. shaft hole; 8. rotating shaft; 9. connecting plate; 10. embedding block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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. Embodiment 1

[0024] See also Figure 1-4The utility model provides a supporting wheel with an anti-derailment effect, including a supporting wheel 1, a balancing ring 2 is arranged at each end of the supporting wheel 1, a protective mechanism 3 is arranged on the balancing ring 2, the protective mechanism 3 includes a bidirectional screw 31, both ends of the bidirectional screw 31 are sleeved with a rotating piece 32, the positive and negative threaded outer walls of the bidirectional screw 31 are threadedly sleeved with a protective sleeve 33, the inner wall surfaces of the two protective sleeves 33 are provided with an angle groove 34, the middle part of the supporting wheel 1 is symmetrically fitted with two shock-absorbing pads 35, the outer wall surfaces of the two shock-absorbing pads 35 are provided with a section corresponding to the angle groove 34, and the two shock-absorbing pads 35 are divided into The balancing ring 2 is also provided with a limit rod 36, and there are two balancing rings 2. The two ends of the bidirectional screw 31 are respectively rotatably connected to the two balancing rings 2, and the two ends of the two bidirectional screws 31 are respectively movable through the two balancing rings 2. There are two limit rods 36, and the two limit rods 36 are fixedly connected between the two balancing rings 2. The ends of the two protective sleeves 33 are slidably sleeved on the two limit rods 36. There are two protective mechanisms 3, and another protective mechanism 3 is also installed between the two balancing rings 2. The two protective mechanisms 3 are symmetrically arranged.

[0025] In this embodiment, the bidirectional screw 31 is driven to rotate by turning the rotating plate 32, thereby adjusting the distance between the protective sleeves 33. The adjustment of the protective sleeves 33 allows the shock-absorbing pads 35 to be freely disassembled and replaced. The protective sleeves 33 are fitted and squeezed with the cross-section of the shock-absorbing pads 35 through the angle grooves 34, thereby protecting and reinforcing the middle part of the supporting wheel 1. The shock-absorbing pads 35 are used to reduce the wear and damage to the supporting wheel 1 and improve the load-bearing protection capability. Embodiment 2

[0026] See also Figure 1-4 On the basis of the first embodiment, the utility model provides a technical solution: preferably, both ends of the supporting wheel 1 are connected with a mounting sleeve 4, and both sides of the outer wall of each mounting sleeve 4 are fixedly connected with a positioning end 5, and each positioning end 5 is provided with a positioning hole, and both ends of the supporting wheel 1 are provided with an embedding groove 6, and the end of the supporting wheel 1 is provided with an axial hole 7, and the inner wall of the axial hole 7 is connected with a rotating shaft 8, and both ends of the rotating shaft 8 extend to the outer sides of both ends of the supporting wheel 1, and both ends of the rotating shaft 8 are sleeved with connecting pieces 9, and the two connecting pieces 9 are connected to the sides close to the embedding groove 6. The outer walls of the two embedding blocks 10 are respectively fitted with the inner walls of the adjacent mounting sleeves 4, and the two embedding blocks 10 are respectively plugged into the adjacent embedding grooves 6.

[0027] In this embodiment, the supporting wheel 1 is installed through the rotating shaft 8, so that the groove 6 on the connecting plate 9 and the block 10 are plugged and fixed, and the positioning end 5 on the mounting sleeve 4 is used to position the mechanical installation, and the groove 6 and the block 10 are fixed to achieve a double fixation effect, further avoiding derailment and allowing the crawler system of the engineering machinery to operate normally.

[0028] Working principle: the supporting wheel 1 improves the balance during use through the balance ring 2. At the same time, the balance ring 2 increases the weight of the supporting wheel 1 to improve the stability during operation, thereby preventing the supporting wheel 1 from derailing, ensuring that the engineering machinery is more stable during driving and operation, reducing the shaking and instability caused by derailment, improving work safety, and improving stability. The supporting wheel 1 is installed through the rotating shaft 8, and the embedding groove 6 on the connecting piece 9 and the embedding block 10 are plugged and fixed to improve the installation stability. The positioning end 5 on the mounting sleeve 4 is used to position the mechanical installation, and it is further fixed through the positioning hole. The embedding groove 6 and the embedding block 10 are fixed to achieve a double fixing effect, further avoiding derailment, allowing the crawler system of the engineering machinery to operate normally, reducing failures and downtime, improving work efficiency, and ensuring normal operation. The bidirectional screw 31 is driven to rotate by turning the rotating piece 32. The distance between the protective sleeves 33 is thereby adjusted. When the protective sleeves 33 are away from each other, the middle part of the supporting wheel 1 can be exposed, thereby facilitating the removal of the shock-absorbing pad 35. When the protective sleeves 33 are close to each other, the angle grooves 34 can be used to fit and squeeze the cross-section of the shock-absorbing pad 35, thereby protecting and reinforcing the middle part of the supporting wheel 1. The shock-absorbing pad 35 is used to reduce the wear and damage to the supporting wheel 1, improve the load-bearing protection capability, and extend their service life, reduce maintenance costs, and extend service life. The protective sleeve 33 is limited by the limiting rod 36 during the limiting period. Sliding, thereby ensuring the stability of the adjustment work of the protective sleeve 33, so that the shock-absorbing pad 35 can be freely removed and replaced, and convenient maintenance and use, and protecting the middle part of the supporting wheel 1 through the protective sleeve 33 and the shock-absorbing pad 35 can reduce the occurrence of accidents and enhance the reliability of the operation of the supporting wheel 1.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A track roller with an anti-derailment effect, comprising a track roller (1), characterized in that: The ends of the supporting rollers (1) are each provided with a balancing ring (2), the balancing ring (2) is provided with a protective mechanism (3), the protective mechanism (3) comprises a bidirectional screw (31), both ends of the bidirectional screw (31) are sleeved with rotating plates (32), the outer walls of the forward and reverse threads of the bidirectional screw (31) are both threadedly sleeved with protective sleeves (33), the inner wall surfaces of the two protective sleeves (33) are each provided with an angle groove (34), the middle part of the supporting roller (1) is symmetrically fitted with two shock absorbing pads (35), the outer wall surfaces of the two shock absorbing pads (35) are each provided with a cut surface corresponding to the angle groove (34), the two shock absorbing pads (35) are respectively in contact with the angle groove (34) through the cut surface, and a limit rod (36) is also provided on the balancing ring (2).

2. A track roller with an anti-derailment effect according to claim 1, characterized in that: There are two balancing rings (2), two ends of the bidirectional screw (31) are rotatably connected to the two balancing rings (2), two ends of the two bidirectional screws (31) are movably passed through the two balancing rings (2), there are two limit rods (36), the two limit rods (36) are fixedly connected between the two balancing rings (2), and the ends of the two protective sleeves (33) are slidably sleeved on the two limit rods (36).

3. The supporting wheel with anti-derailment effect according to claim 2, characterized in that: There are two protective mechanisms (3), another protective mechanism (3) is also installed between the two balancing rings (2), and the two protective mechanisms (3) are symmetrically arranged.

4. The supporting wheel with anti-derailment effect according to claim 1, characterized in that: Both ends of the track roller (1) are connected to mounting sleeves (4), both sides of the outer wall of each mounting sleeve (4) are fixedly connected to positioning ends (5), and each positioning end (5) is provided with a positioning hole.

5. The supporting wheel with anti-derailment effect according to claim 4, characterized in that: Both ends of the track wheel (1) are provided with embedding grooves (6), and the ends of the track wheel (1) are provided with shaft holes (7) extending therethrough.

6. The supporting wheel with anti-derailment effect according to claim 5, characterized in that: The inner wall of the shaft hole (7) is connected to a rotating shaft (8), and the two ends of the rotating shaft (8) respectively extend to the outer sides of the two ends of the supporting wheel (1). The two ends of the rotating shaft (8) are sleeved with connecting pieces (9), and the two connecting pieces (9) are connected to the embedding groove (6) on one side thereof.

7. The supporting wheel with anti-derailment effect according to claim 6, characterized in that: The outer walls of the two embedded blocks (10) are respectively fitted with the inner walls of the adjacent mounting sleeves (4), and the two embedded blocks (10) are respectively plugged into the adjacent embedding grooves (6).

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