Splicing type guide wheel device

Abstract

The utility model discloses a splicing type guide wheel device which comprises a connecting frame and a center plate, the center plate is arranged below the connecting frame, the center plate is of an inverted-T-shaped structure, side shafts are symmetrically arranged on the two sides of the lower portion of the center plate, the side shafts are sleeved with a guide wheel body in a rotating mode, a splicing plate is arranged on the side face of the center plate, and the splicing plate is connected with the guide wheel body in a rotating mode. The guide wheel comprises a guide wheel body and a center plate, the guide wheel body comprises a plurality of splicing plates, the splicing plates are arranged on the center plate, the lower ends of the splicing plates and the side shafts are correspondingly arranged, fixing holes are formed in the positions, corresponding to the side shafts, of the splicing plates in a penetrating mode, and fixing blocks are arranged on the two sides of the top of the center plate. Therefore, the guide wheel main body can be maintained and replaced, and the problem that the after-sales maintenance difficulty of the guide wheel is large due to the fact that the guide wheel provided in the background technology is inconvenient to disassemble and replace is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of guide wheels, and particularly relates to a spliced ​​guide wheel device. Background Art

[0002] The guide wheel is an important part of construction machinery. It is generally used in the walking mechanism of excavators or tanks to guide the movement of the chain. The guide wheel body on the market is generally cast, and the guide wheel must be heat treated and machined before use, and then the wear-prone parts must be locally heat treated to ensure the service life of the guide wheel.

[0003] The existing guide wheel is designed without considering the replacement problem, so after-sales maintenance is difficult. Moreover, when the guide wheel is in use, the bearing surface of the guide wheel will be unevenly stressed, and the wheel edges on both sides will be worn. The guide wheel is also prone to wear. Therefore, a spliced ​​guide wheel device is proposed. Utility Model Content

[0004] The purpose of the utility model is to overcome the problem in the prior art that the guide wheel is inconvenient to disassemble and replace, which makes the after-sales maintenance of the guide wheel difficult. A splicing guide wheel device is provided, which is capable of installing the guide wheel body by setting a splicing plate and fixing the splicing plate on a center plate. The guide wheel body can be repaired and replaced by removing the splicing plate.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a splicing guide wheel device, including a connecting frame and a center plate, the center plate is arranged under the connecting frame, the center plate is an inverted T-shaped structure, side shafts are symmetrically arranged on both sides of the lower side of the center plate, a guide wheel body is rotatably sleeved on the side shaft, a splicing plate is arranged on the side of the center plate, the lower end of the splicing plate and the side shaft are arranged correspondingly, fixing holes are penetrated at the corresponding positions of the splicing plate and the side shaft, fixing blocks are arranged under both sides of the top of the center plate, the fixing blocks and the side faces of the splicing plate are arranged in contact, upper fixing screws are symmetrically rotated on the top of the splicing plate, the upper fixing screws are rotatably penetrated through the splicing plate and screwed into the fixing block, a lower fixing screw is rotatably penetrated through the lower end of the fixing hole, and the lower fixing screw is screwed into the side shaft.

[0006] Preferably, the connecting frame includes a fixed tube, a lower connecting plate, an upper connecting plate and connecting holes, the lower connecting plate is arranged on the center plate, the fixed tubes are evenly distributed on the lower connecting plate, the upper connecting plate is arranged on the fixed tube, and the connecting holes are evenly distributed and penetrate the upper connecting plate to be connected to the fixed tube.

[0007] Preferably, a positioning ring is provided on the top of the upper connecting plate, and a plurality of partition structures are provided on the positioning ring, and the partition structures evenly divide the positioning ring.

[0008] Preferably, the guide wheel body includes a lubricating ball, a ball groove, an outer guide wheel, a rotating groove and a fixed sleeve. The fixed sleeve is fixedly sleeved on the outer side of the side shaft, and the outer guide wheel is sleeved on the outer side of the fixed sleeve. The ball grooves are evenly distributed on the inner wall of the outer guide wheel. The lubricating ball is rotatably arranged in the ball groove and contacts with the outer side surface of the fixed sleeve. The outer guide wheel rotates relative to the fixed sleeve under the action of the lubricating ball.

[0009] Preferably, a positioning plate is provided at the upper end of the side surface of the splicing plate, and the positioning plate is inserted into the upper end of the side surface of the center plate.

[0010] Preferably, both the connecting hole and the fixing tube are provided with internal thread structures.

[0011] Preferably, an internal thread structure is provided in the side shaft and the fixing hole.

[0012] The beneficial effects of the utility model are:

[0013] The utility model provides a splicing plate, which is fixed to the center plate by an upper fixing screw and a lower fixing screw, so that the guide wheel body can be installed. The guide wheel body can be repaired and replaced by removing the splicing plate, which solves the problem in the background technology that the guide wheel is inconvenient to disassemble and replace, resulting in greater difficulty in after-sales repair of the guide wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the spliced ​​guide wheel device of the utility model.

[0015] Figure 2 yes Figure 1 Schematic diagram of the structure of the middle connecting frame and the center plate.

[0016] Figure 3 It is a front view structural schematic diagram of the spliced ​​guide wheel device of the utility model.

[0017] Figure 4 yes Figure 1 Internal structure diagram of the middle guide wheel body.

[0018] In the figure: 1. connecting frame; 2. center plate; 3. side shaft; 4. guide wheel body; 5. splicing plate; 6. fixing hole; 7. fixing block; 8. upper fixing screw; 9. lower fixing screw; 10. fixing tube; 11. lower connecting plate; 12. upper connecting plate; 13. connecting hole; 14. positioning ring; 15. lubricating ball; 16. ball groove; 17. outer guide wheel; 18. rotating groove; 19. fixed sleeve; 20. positioning plate. DETAILED DESCRIPTION

[0019] The following is combined with Figure 1-4, 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 them. Based on the embodiments 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.

[0020] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure and operation, and therefore should not be understood as a limitation on the present invention.

[0021] The present embodiment provides a splicing guide wheel device, including a connecting frame 1 and a center plate 2, the center plate 2 is arranged under the connecting frame 1, the center plate 2 is an inverted T-shaped structure, side shafts 3 are symmetrically arranged on both sides of the lower side of the center plate 2, and a guide wheel body 4 is rotatably sleeved on the side shaft 3, a splicing plate 5 is arranged on the side of the center plate 2, the lower end of the splicing plate 5 and the side shaft 3 are arranged correspondingly, and fixing holes 6 are penetrated at the corresponding positions of the splicing plate 5 and the side shaft 3, fixing blocks 7 are arranged under both sides of the top of the center plate 2, the fixing blocks 7 and the side surfaces of the splicing plate 5 are contacted, and upper fixing screws 8 are symmetrically rotated on the top of the splicing plate 5, the upper fixing screws 8 are rotated through the splicing plate 5 and screwed into the fixing blocks 7, and the lower end of the fixing hole 6 is rotated through by a lower fixing screw 9, which is screwed into the side shaft 3.

[0022] In one embodiment, specifically, the connecting frame 1 includes a fixed tube 10, a lower connecting plate 11, an upper connecting plate 12 and connecting holes 13. The lower connecting plate 11 is arranged on the center plate 2, the fixed tubes 10 are evenly distributed on the lower connecting plate 11, the upper connecting plate 12 is arranged on the fixed tube 10, and the connecting holes 13 are evenly distributed and penetrate the upper connecting plate 12 to be connected to the fixed tube 10.

[0023] In one embodiment, specifically, a positioning ring 14 is provided on the top of the upper connecting plate 12 , and a plurality of partition structures are provided on the positioning ring 14 , and the partition structures evenly divide the positioning ring 14 .

[0024] In one embodiment, specifically, the guide wheel body 4 includes a lubricating ball 15, a ball groove 16, an outer guide wheel 17, a rotating groove 18 and a fixed sleeve 19. The fixed sleeve 19 is fixedly sleeved on the outer side of the side shaft 3, the outer guide wheel 17 is sleeved on the outer side of the fixed sleeve 19, and the ball grooves 16 are evenly distributed on the inner wall of the outer guide wheel 17. The lubricating ball 15 is rotatably arranged in the ball groove 16 and contacts the outer side surface of the fixed sleeve 19. The outer guide wheel 17 rotates relative to the fixed sleeve 19 under the action of the lubricating ball 15.

[0025] In one embodiment, specifically, a positioning plate 20 is provided at the upper end of the side surface of the splicing plate 5 , and the positioning plate 20 is inserted into the upper end of the side surface of the center plate 2 .

[0026] In one embodiment, specifically, both the connecting hole 13 and the fixing pipe 10 are provided with internal thread structures.

[0027] In one embodiment, specifically, the side shaft 3 and the fixing hole 6 are provided with internal thread structures.

[0028] The working process of the spliced ​​guide wheel device in this embodiment is as follows: the guide wheel body 4 is sleeved on the side shaft 3, and then the splicing plate 5 is set close to the center plate 2, and the positioning plate 20 is inserted into the upper end of the side of the center plate 2, and the fixing hole 6 and the side shaft 3 correspond to each other, and then the upper and lower ends of the splicing plate 5 are screwed into the upper and lower ends through the upper fixing screw 8 and the lower fixing screw 9 respectively, the upper fixing screw 8 is screwed into the fixing block 7, and the lower fixing screw 9 is screwed into the side shaft 3, and the splicing plate 5 is installed and fixed on the center plate 2, that is, the installation of the guide wheel body 4 on one side is completed, and then the guide wheel body 4 on the other side is installed by the same operation steps, and finally the installation of the guide wheel body 4 is completed. When disassembling, remove the upper fixing screw 8 and the lower fixing screw 9 to complete the disassembly of the splicing plate 5, and then remove the guide wheel body 4 from the side shaft 3 to complete the disassembly of the guide wheel body 4, and finally install a new guide wheel body 4.

[0029] The above contents are merely examples and explanations of the structure of the utility model. The technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of the utility model.

Claims

1. A spliced ​​guide wheel device, characterized in that: The invention comprises a connecting frame (1) and a center plate (2), wherein the center plate (2) is arranged under the connecting frame (1), the center plate (2) is an inverted T-shaped structure, side shafts (3) are symmetrically arranged on both sides of the lower side of the center plate (2), a guide wheel body (4) is rotatably sleeved on the side shaft (3), a splicing plate (5) is arranged on the side of the center plate (2), the lower end of the splicing plate (5) and the side shaft (3) are arranged correspondingly, a fixing hole (6) is penetrated at the corresponding position of the splicing plate (5) and the side shaft (3), a fixing block (7) is arranged under the top of the center plate (2), the fixing block (7) and the side of the splicing plate (5) are arranged in contact, an upper fixing screw (8) is symmetrically rotatably arranged on the top of the splicing plate (5), the upper fixing screw (8) is rotatably penetrated through the splicing plate (5) and screwed into the fixing block (7), a lower fixing screw (9) is rotatably penetrated at the lower end of the fixing hole (6), and the lower fixing screw (9) is screwed into the side shaft (3).

2. The spliced ​​guide wheel device according to claim 1, characterized in that: The connecting frame (1) comprises a fixed tube (10), a lower connecting plate (11), an upper connecting plate (12) and connecting holes (13); the lower connecting plate (11) is arranged on the central plate (2); the fixed tubes (10) are evenly distributed on the lower connecting plate (11); the upper connecting plate (12) is arranged on the fixed tube (10); and the connecting holes (13) are evenly distributed and penetrate the upper connecting plate (12) to be connected to the fixed tube (10).

3. The spliced ​​guide wheel device according to claim 2, characterized in that: A positioning ring (14) is provided on the top of the upper connecting plate (12), and a plurality of partition structures are provided on the positioning ring (14), wherein the partition structures evenly divide the positioning ring (14).

4. The spliced ​​guide wheel device according to claim 1, characterized in that: The guide wheel body (4) comprises a lubricating ball (15), a ball groove (16), an outer guide wheel (17), a rotating groove (18) and a fixed sleeve (19); the fixed sleeve (19) is fixedly sleeved on the outside of the side shaft (3); the outer guide wheel (17) is sleeved on the outside of the fixed sleeve (19); the ball grooves (16) are evenly distributed on the inner wall of the outer guide wheel (17); the lubricating ball (15) is rotatably arranged in the ball groove (16) and contacts the outer side surface of the fixed sleeve (19); and the outer guide wheel (17) performs a rotating motion relative to the fixed sleeve (19) under the action of the lubricating ball (15).

5. The spliced ​​guide wheel device according to claim 1, characterized in that: A positioning plate (20) is provided at the upper end of the side of the splicing plate (5), and the positioning plate (20) is inserted into the upper end of the side of the center plate (2).

6. The spliced ​​guide wheel device according to claim 2, characterized in that: The connection hole (13) and the fixing pipe (10) are both provided with internal thread structures.

7. The spliced ​​guide wheel device according to claim 1, characterized in that: The side shaft (3) and the fixing hole (6) are provided with internal thread structures.

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