Split type replaceable tooth tip structure of track driving tooth

Abstract

The utility model discloses a track driving tooth split type replaceable tooth tip structure which comprises a support, a gear is arranged on the inner side of the support, a plurality of tooth sleeves are arranged on the surface of the gear in a sleeved mode, a shaft rod is fixedly connected to the interior of the gear, the two ends of the shaft rod penetrate through the support and extend to the outer side of the support, and the tooth tips of the shaft rod are arranged on the support. An extrusion ring is arranged on the inner side of the support, the inner side of the extrusion ring makes contact with the surface of the gear sleeve, and a pressurization structure is arranged on the surface of the support and can apply pressure to the extrusion ring. The gear sleeve is arranged, the tooth tip part which is directly rubbed with a crawler belt is separated from the gear main body serving as a transmission core to form an independently replaceable part, the problem that a traditional integrated driving gear needs to be replaced integrally is fundamentally solved, when only the gear sleeve is abraded, the function can be recovered only by replacing the abraded gear sleeve, and the service life of the driving gear is prolonged. Expensive gears and even the whole driving wheel assembly do not need to be replaced, and part replacement cost and material waste are greatly reduced.

Description

Technical Field

[0001] This utility model relates to the field of track drive tooth technology, specifically a split-type replaceable tooth tip structure for track drive teeth. Background Technology

[0002] Track drive teeth typically refer to the tooth-like structures on the drive wheels (drive wheels) of tracked vehicles (such as excavators, tanks, bulldozers, etc.).

[0003] For example, patent application number 202011365680.9 published on the China Patent Network, entitled "Hoop Gear Meshing Drive Structure for a Double-Section Tracked Vehicle," includes a hobbing gear meshing wheel and a coreless metal-coated rubber track. The hobbing gear meshing wheel meshes with the coreless metal-coated rubber track. The hobbing gear meshing wheel includes two circular steel bars and multiple thin steel plates, with the multiple thin steel plates fixed between the two circular steel bars. The inner side of the coreless metal-coated rubber track is provided with rows of drive teeth and limiting teeth. The thin steel plates of the hobbing gear meshing wheel are used to mesh with the drive teeth of the coreless metal-coated rubber track. This invention overcomes the problems of existing structures, such as heavy weight, high driving noise, severe wear between steel parts, and reduced service life of the motion system.

[0004] However, the teeth of the existing drive gears are in direct contact with the track. During long-term rolling friction, the teeth are prone to wear due to friction, requiring the replacement of the entire drive gear, which greatly increases the difficulty and cost of replacement.

[0005] Therefore, it is necessary to redesign and modify the split-type replaceable tooth tip structure of the track drive tooth. Utility Model Content

[0006] To address the problems mentioned in the background art, the purpose of this utility model is to provide a split replaceable tooth tip structure for track drive teeth, which has the advantage of allowing individual tooth replacement. This solves the problem that existing drive teeth are in direct contact with the track, and during long-term rolling friction, the teeth are easily worn due to friction, requiring the replacement of the entire drive tooth, which greatly increases the difficulty and cost of replacement.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a split-type replaceable tooth tip structure for track drive teeth, including a bracket;

[0008] The bracket has a gear on its inner side, and a number of toothed sleeves are fitted on the surface of the gear. A shaft is fixedly connected inside the gear, and both ends of the shaft pass through the bracket and extend to the outside of the bracket. A compression ring is provided on the inner side of the bracket, and the inner side of the compression ring contacts the surface of the toothed sleeves. A pressure structure is provided on the surface of the bracket, and the pressure structure can apply pressure to the compression ring.

[0009] As a preferred embodiment of this utility model, the pressurizing structure includes a connecting block fixedly connected to the outside of the bracket, and a fixing plate is movably connected to the surface of the connecting block by a pin. The side of the fixing plate away from the connecting block extends to the outside of the extrusion ring and contacts the surface of the extrusion ring.

[0010] As a preferred embodiment of this invention, a support plate is fixedly connected to the inner surface of the extrusion ring, and the support plate is sleeved on the surface of the shaft and movably connected to the shaft.

[0011] In a preferred embodiment of this utility model, a connecting frame is fixedly connected to the left side of the bracket, and a bidirectional screw is movably connected to the inside of the connecting frame via a bearing. Both sides of the surface of the bidirectional screw are threaded with threaded sleeves. A sleeve plate located on both sides of the threaded sleeve is fixedly connected to the side of the fixing plate near the connecting block. A sliding rod located inside the sleeve plate is fixedly connected to both sides of the threaded sleeve. The sliding rod is slidably connected to the sleeve plate. The front end of the bidirectional screw extends through to the front side of the connecting frame and is fixedly connected to a rotating wheel.

[0012] As a preferred embodiment of the present invention, a guide strip is fixedly connected inside the connecting frame, and the guide strip extends into the interior of the threaded sleeve from the side away from the connecting frame and is slidably connected to the threaded sleeve.

[0013] As a preferred embodiment of this utility model, a mounting plate is fixedly connected to the left side of the connecting frame, and the mounting plate is used to connect with the equipment.

[0014] As a preferred embodiment of this invention, a rubber pad is fixedly connected to the inner side of the extrusion ring, and the side of the rubber pad away from the extrusion ring contacts the surface of the toothed sleeve, and the rubber pad is elastic.

[0015] In a preferred embodiment of this invention, the front end of the bidirectional screw passes through the connecting frame and extends to the front side of the connecting frame, and a rotating wheel is fixedly connected to the front end of the bidirectional screw.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0017] 1. By setting a tooth sleeve, the tooth tip part that directly rubs against the track is separated from the gear body that is the core of the transmission, and becomes an independently replaceable part. This fundamentally solves the problem that traditional integrated drive gears need to be replaced as a whole. When only the tooth sleeve is worn, the function can be restored by simply replacing the worn tooth sleeve. There is no need to replace expensive gears or even the entire drive wheel assembly, which greatly reduces the cost of replacing parts and the waste of materials.

[0018] 2. This utility model uses a fixed plate to form a lever structure with a pin, the end of which contacts the extrusion ring, so that the force applied by the pressure structure can be effectively converted into radial extrusion force on the extrusion ring, which can efficiently amplify the operating force and convert it into a pressing force in the required direction.

[0019] 3. This utility model ensures that the extrusion ring can only move stably and concentrically along the axial or radial direction of the shaft through the cooperation between the support plate and the shaft, preventing skewing or jamming.

[0020] 4. By setting a bidirectional screw and a screw sleeve, this utility model can drive the sleeve plate to swing stably, which can improve the transmission stability of the sleeve plate.

[0021] 5. By setting a guide bar, this utility model can limit the movement of the screw sleeve and prevent the screw sleeve from tilting during movement.

[0022] 6. By setting up an installation plate, this utility model can provide a standardized and reliable interface structure, which facilitates the installation of the drive gear module on the surface of the equipment.

[0023] 7. This utility model uses elastic rubber pads to evenly distribute the pressure from the extrusion ring onto each tooth sleeve, avoiding localized stress concentration that could lead to deformation or damage to the tooth sleeve.

[0024] 8. By setting a rotating wheel, this utility model makes it easier for users to operate the bidirectional screw, saving users the steps of operating additional tools. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the structure of this utility model;

[0026] Figure 2 This is a top view of the structure of this utility model;

[0027] Figure 3 This is a schematic diagram of the structure of this utility model from below;

[0028] Figure 4 This is a schematic diagram of a partial structural separation of the present invention;

[0029] Figure 5 This is a top view of a partial structural separation of the present invention;

[0030] Figure 6 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0031] In the diagram: 1. Bracket; 2. Gear; 3. Gear sleeve; 4. Shaft; 5. Extrusion ring; 6. Connecting block; 7. Fixing plate; 8. Support plate; 9. Connecting frame; 10. Double-acting screw; 11. Screw sleeve; 12. Sleeve plate; 13. Slide rod; 14. Rotary wheel; 15. Guide strip; 16. Mounting plate; 17. Rubber pad. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0033] like Figures 1 to 6 As shown, the present invention provides a split replaceable tooth tip structure for track drive teeth, including a bracket 1;

[0034] A gear 2 is provided on the inner side of the bracket 1. Several tooth sleeves 3 are fitted on the surface of the gear 2. A shaft 4 is fixedly connected inside the gear 2. Both ends of the shaft 4 pass through the bracket 1 and extend to the outside of the bracket 1. A compression ring 5 is provided on the inner side of the bracket 1. The inner side of the compression ring 5 contacts the surface of the tooth sleeve 3. A pressure structure is provided on the surface of the bracket 1. The pressure structure can apply pressure to the compression ring 5.

[0035] refer to Figure 6 The pressurizing structure includes a connecting block 6 fixedly connected to the outside of the bracket 1. A fixing plate 7 is movably connected to the surface of the connecting block 6 via a pin. The side of the fixing plate 7 away from the connecting block 6 extends to the outside of the extrusion ring 5 and contacts the surface of the extrusion ring 5.

[0036] As a technical optimization of this utility model, the fixed plate 7 forms a lever structure using a pin, and its end contacts the extrusion ring 5, so that the force applied by the pressure structure can be effectively converted into radial extrusion force on the extrusion ring 5, which can efficiently amplify the operating force and convert it into a pressing force in the required direction.

[0037] refer to Figure 6 A support plate 8 is fixedly connected to the inner surface of the compression ring 5. The support plate 8 is sleeved on the surface of the shaft 4 and is movably connected to the shaft 4.

[0038] As a technical optimization of this utility model, the support plate 8, through its cooperation with the shaft 4, ensures that the extrusion ring 5 can only move stably and concentrically along the axial or radial direction of the shaft 4, preventing skewing or jamming.

[0039] refer to Figure 6 A connecting frame 9 is fixedly connected to the left side of the bracket 1. A bidirectional screw 10 is movably connected inside the connecting frame 9 via a bearing. Both sides of the surface of the bidirectional screw 10 are threaded with screw sleeves 11. A sleeve plate 12 located on both sides of the screw sleeve 11 is fixedly connected to the side of the fixing plate 7 near the connecting block 6. A sliding rod 13 located inside the sleeve plate 12 is fixedly connected to both sides of the screw sleeve 11. The sliding rod 13 is slidably connected to the sleeve plate 12. The front end of the bidirectional screw 10 extends through to the front side of the connecting frame 9 and is fixedly connected to a rotating wheel 14.

[0040] As a technical optimization of this utility model, by setting a bidirectional screw 10 and a screw sleeve 11, the sleeve plate 12 can be driven to swing stably, which can improve the transmission stability of the sleeve plate 12.

[0041] refer to Figure 1 A guide bar 15 is fixedly connected inside the connecting frame 9. The guide bar 15 extends into the inside of the screw sleeve 11 from the side away from the connecting frame 9 and is slidably connected to the screw sleeve 11.

[0042] As a technical optimization of this utility model, by setting the guide bar 15, the screw sleeve 11 can be limited, so as to avoid the screw sleeve 11 tilting during the movement.

[0043] refer to Figure 1 A mounting plate 16 is fixedly connected to the left side of the connecting frame 9. The mounting plate 16 is used to connect with the equipment.

[0044] As a technical optimization of this utility model, by setting the mounting plate 16, a standardized and reliable interface structure can be provided, which facilitates the installation of the drive gear module on the surface of the equipment.

[0045] refer to Figure 4 A rubber pad 17 is fixedly connected to the inner side of the compression ring 5. The side of the rubber pad 17 away from the compression ring 5 contacts the surface of the toothed sleeve 3. The rubber pad 17 is elastic.

[0046] As a technical optimization of this utility model, the pressure from the extrusion ring 5 is evenly distributed to each tooth sleeve 3 by the elastic rubber pad 17, so as to avoid local stress concentration that could cause deformation or damage to the tooth sleeve 3.

[0047] refer to Figure 1 The front end of the bidirectional screw 10 passes through the connecting frame 9 and extends to the front side of the connecting frame 9. The front end of the bidirectional screw 10 is fixedly connected to the rotating wheel 14.

[0048] As a technical optimization of this utility model, by setting the rotating wheel 14, it is easier for users to operate the bidirectional screw 10, saving users the operation steps of additional operating tools.

[0049] The working principle and usage of this utility model: Several toothed sleeves 3 fitted on the surface of gear 2 are the parts that directly contact and mesh with the track chain. As gear 2 rotates, the toothed sleeves 3 push the track chain, thereby driving the equipment to walk or rotate. During long-term operation, the toothed sleeves 3 that roll and rub against the track will inevitably wear, unlike the wear of the entire drive tooth in the traditional structure. A movable compression ring 5 is provided on the inner side of the bracket 1. The inner surface of the compression ring 5 is in direct contact with the outer surface of all the toothed sleeves 3. In order to ensure that the toothed sleeves 3 are stably fitted on gear 2 without slippage under high-speed rotation and force conditions. If the compression ring 5 moves or falls off, a uniform radial pressure needs to be applied inward to the compression ring 5. When the toothed sleeve 3 needs to be replaced, the user rotates the rotating wheel 14, which drives the bidirectional screw 10 to rotate. The bidirectional screw 10 uses its thread to push the screw sleeve 11 to move towards each other. During the movement of the screw sleeve 11, the sliding rod 13 slides inside the sleeve plate 12. The sleeve plate 12 is compressed and drives the fixing plate 7 to swing around the pin inside the connecting block 6. When the fixing plate 7 disengages from the compression ring 5, the compression ring 5 can slide on the surface of the shaft 4 and disengage from the toothed sleeve 3. Then the user can insert and remove the toothed sleeve 3 for replacement.

[0050] In summary, this split-type replaceable tooth tip structure for track drive gears, by setting tooth sleeve 3, separates the tooth tip part that directly rubs against the track from the main body of gear 2, which is the core of the transmission, and makes it an independently replaceable component. This fundamentally solves the problem that traditional integrated drive gears need to be replaced as a whole. When only tooth sleeve 3 is worn, only the worn tooth sleeve 3 needs to be replaced to restore the function, without having to replace the expensive gear 2 or even the entire drive wheel assembly, which greatly reduces the cost of parts replacement and material waste.

[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0052] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A split-type replaceable tooth tip structure for track drive teeth, including a bracket (1); Its features are: The bracket (1) has a gear (2) on its inner side. The surface of the gear (2) is fitted with several tooth sleeves (3). The gear (2) is fixedly connected to a shaft (4). Both ends of the shaft (4) pass through the bracket (1) and extend to the outside of the bracket (1). The bracket (1) has a compression ring (5) on its inner side. The inner side of the compression ring (5) is in contact with the surface of the tooth sleeves (3). The bracket (1) has a pressure structure on its surface. The pressure structure can apply pressure to the compression ring (5).

2. The track drive tooth split-type replaceable tooth tip structure according to claim 1, characterized in that: The pressurizing structure includes a connecting block (6) fixedly connected to the outside of the bracket (1). A fixing plate (7) is movably connected to the surface of the connecting block (6) by a pin. The side of the fixing plate (7) away from the connecting block (6) extends to the outside of the extrusion ring (5) and contacts the surface of the extrusion ring (5).

3. The track drive tooth split-type replaceable tooth tip structure according to claim 2, characterized in that: The inner surface of the compression ring (5) is fixedly connected to a support plate (8), which is sleeved on the surface of the shaft (4) and movably connected to the shaft (4).

4. The track drive tooth split-type replaceable tooth tip structure according to claim 3, characterized in that: A connecting frame (9) is fixedly connected to the left side of the bracket (1). A bidirectional screw (10) is movably connected inside the connecting frame (9) via a bearing. Both sides of the surface of the bidirectional screw (10) are threaded with screw sleeves (11). A sleeve plate (12) located on both sides of the screw sleeve (11) is fixedly connected to the side of the fixing plate (7) near the connecting block (6). A sliding rod (13) located inside the sleeve plate (12) is fixedly connected to both sides of the screw sleeve (11). The sliding rod (13) is slidably connected to the sleeve plate (12). The front end of the bidirectional screw (10) extends through to the front side of the connecting frame (9) and is fixedly connected to a rotating wheel (14).

5. The track drive tooth split-type replaceable tooth tip structure according to claim 4, characterized in that: A guide bar (15) is fixedly connected inside the connecting frame (9). The guide bar (15) extends from the side away from the connecting frame (9) into the inside of the screw sleeve (11) and slides in connection with the screw sleeve (11).

6. The track drive tooth split-type replaceable tooth tip structure according to claim 4, characterized in that: A mounting plate (16) is fixedly connected to the left side of the connecting frame (9), and the mounting plate (16) is used to connect to the device.

7. The track drive tooth split-type replaceable tooth tip structure according to claim 1, characterized in that: A rubber pad (17) is fixedly connected to the inner side of the extrusion ring (5). The side of the rubber pad (17) away from the extrusion ring (5) is in contact with the surface of the tooth sleeve (3). The rubber pad (17) is elastic.

8. The track drive tooth split-type replaceable tooth tip structure according to claim 4, characterized in that: The front end of the bidirectional screw (10) passes through the connecting frame (9) and extends to the front side of the connecting frame (9). A rotating wheel (14) is fixedly connected to the front end of the bidirectional screw (10).

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