Combined guide wheel

Through the design of the combined guide wheel, the existing guide wheel cannot be disassembled and combined and lack of axial limits are solved, the removable installation of the wheel body and the reduction of axial displacement are achieved, and the efficiency of the excavator is improved.

CN223086139UActive Publication Date: 2025-07-11TAICANG XIJIN MASCH TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422538971.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-21
Publication Date
2025-07-11
Estimated Expiration
2034-10-21

AI Technical Summary

Technical Problem

The existing guide wheels are integrated and cannot be disassembled and combined, and their practicality is reduced and the axial limiting mechanism is lacking, resulting in axial displacement that may occur during movement, affecting the normal use of the excavator.

Method used

A combined guide wheel is designed to realize the detachable installation of the wheel body through the combination of supporting plates, slots, blocks, wheel shafts, wheel bodies, fixed holes, fixed rods, sleeve rods and connecting plates, and reduce the possibility of axial displacement through sleeve rods and circular plates.

Benefits of technology

The detachable combination of the guide wheel is realized, which improves practicality, reduces the axial displacement of the wheel body, and ensures the normal operation of the excavator.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223086139U_ABST
    Figure CN223086139U_ABST
Patent Text Reader

Abstract

The utility model discloses a combined guide wheel which comprises a supporting plate, clamping grooves are formed in the opposite faces of the supporting plate, clamping blocks are movably installed in the clamping grooves, a wheel shaft is fixedly installed between the clamping blocks, a wheel body is rotatably installed on the surface of the wheel shaft, fixing holes are formed in the supporting plate and the clamping blocks, and the wheel body is fixedly installed in the fixing holes. A storage groove is formed in the top of the supporting plate, fixing rods are movably installed in the fixing holes, storage plates are fixedly installed at the tops of the fixing rods, and the outer surfaces of the storage plates are movably connected with the inner surface of the storage groove. According to the combined guide wheel, in the daily use process, an operator moves a wheel shaft, then the wheel shaft drives a clamping block to slide, then the clamping block is placed in a clamping groove, at the moment, the clamping block drives a lead screw to be placed in a round hole, and then a nut is placed on the outer surface of the lead screw; and then the nut is rotated to the outer surface of the supporting plate.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of idlers, in particular to a combined idler. Background Technique

[0002] An excavator, also known as an excavation machine, is an earthmoving machine that uses a bucket to excavate materials above or below the machine's surface and load them into transport vehicles or unload them onto stockpiles. The materials excavated by the excavator are mainly soil, coal, sediment, as well as pre-loosened soil and rock. From the development of construction machinery in recent years, the development of excavators has been relatively rapid. Excavators have become one of the most important construction machinery in engineering construction. The idler is an important component in the traveling system of large construction machinery such as excavators. It is installed on the track to guide the track, and its main function is to guide the correct winding of the track. Therefore, a combined idler is required.

[0003] Most of the existing idlers are integral, and they cannot be disassembled and combined, resulting in reduced practicality. Moreover, there is a lack of an axial limiting mechanism for the idler, which may cause axial displacement during movement, thereby affecting the normal use of the excavator. Content of the Utility Model

[0004] The purpose of the utility model is to provide a combined idler to solve the problems in the above background technique that most of the existing idlers are integral, cannot be disassembled and combined, resulting in reduced practicality, and there is a lack of an axial limiting mechanism for the idler, which may cause axial displacement during movement, thereby affecting the normal use of the excavator.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A combined idler, including a support plate, clamping grooves are provided on the opposite surfaces of the support plate, clamping blocks are movably installed inside the clamping grooves, a wheel shaft is fixedly installed between the clamping blocks, a wheel body is rotatably installed on the surface of the wheel shaft, fixing holes are provided inside the support plate and the clamping blocks, a storage groove is provided on the top of the support plate, fixing rods are movably installed inside the fixing holes, storage plates are fixedly installed on the tops of the fixing rods, the outer surface of the storage plate is movably connected to the inner surface of the storage groove, screw holes are provided at both ends of the bottom of the storage groove, bolts are rotatably installed at both ends of the top of the storage plate, and the bottom of the bolts penetrates through the storage plate and extends into the screw holes.

[0006] Preferably, round holes are provided on one side of the support plate, screw rods are movably installed inside the round holes, one side of the screw rods is fixedly connected to one side of the clamping block, and nuts are threadedly sleeved on the surfaces of the screw rods.

[0007] Preferably, sleeve rods are movably sleeved on the surface of the wheel shaft, and installation grooves are provided inside the sleeve rods.

[0008] Preferably, a circular plate is fixedly sleeved on the surface of the sleeve rod, and a sleeve plate located on the right side of the circular plate is fixedly sleeved on the surface of the sleeve rod. A reinforcing plate is fixedly installed around between the circular plate and the sleeve plate, and one end of the reinforcing plate is fixedly connected to the outer surface of the sleeve rod.

[0009] Preferably, connecting plates are fixedly installed at both ends of the sleeve plate, and circular shafts are fixedly installed on one side of each connecting plate.

[0010] Preferably, circular grooves are formed on the opposite surfaces of the support plates, and the circular grooves are adapted to the circular shafts.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] During the daily use of this combined guide wheel, the operator moves the wheel shaft. Subsequently, the wheel shaft drives the sliding of the block. Then, the block is placed inside the slot. At this time, the block drives the screw rod to be placed inside the round hole. Subsequently, the nut is placed on the outer surface of the screw rod. Then, the nut is rotated and rotated to the outer surface of the support plate. At the same time, the storage plate is slid. Subsequently, the storage plate drives the sliding of the fixed rod. Then, the fixed rod is placed inside the fixing hole and the storage plate is placed inside the storage slot. Immediately, the bolt is rotated and screwed into the internal thread hole, and the wheel body can be combined.

[0013] During the daily use of this combined guide wheel, the operator slides the sleeve rod. Subsequently, it is placed on the outer surface of the wheel shaft through the installation groove. Move the sleeve rod again. Subsequently, the sleeve rod drives the sliding of the connecting plate. Then, the connecting plate drives the sliding of the circular shaft. At the same time, the circular shaft is placed inside the circular groove, and the installation can be carried out. By setting the sleeve rod and the circular plate, etc., the possibility of axial displacement of the wheel body can be reduced, and its practicability is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view of the present utility model;

[0015] Figure 2 is the exploded view of the present utility model;

[0016] Figure 3 is the Figure 2 partial enlarged view at A of the present utility model;

[0017] Figure 4 is the structural schematic diagram of one side of the support plate of the present utility model.

[0018] In the figure: 1, support plate; 2, card slot; 3, wheel axle; 4, wheel body; 5, fixing hole; 6, storage groove; 7, fixing rod; 8, storage plate; 9, bolt; 10, screw hole; 11, round hole; 12, lead screw; 13, nut; 14, sleeve rod; 15, installation groove; 16, round plate; 17, sleeve plate; 18, reinforcing plate; 19, connecting plate; 20, round shaft; 21, round groove; 22, block. Specific implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1-4 , the present invention provides a technical solution: a combined guide wheel, including a support plate 1, card slots 2 are provided on the opposite surfaces of the support plate 1, block 22 is movably installed inside the card slots 2, the outer surface of the block 22 and the inner surface of the card slots 2 are both smooth, which can make the block 22 slide more smoothly inside the card slots 2 and reduce the occurrence of jamming. A wheel axle 3 is fixedly installed between the blocks 22, and a wheel body 4 is rotatably installed on the surface of the wheel axle 3. The wheel body 4 can rotate on the surface of the wheel axle 3. Fixing holes 5 are provided inside the support plate 1 and the block 22, and the fixing holes 5 are adapted to the fixing rods 7. The inner surface of the fixing holes 5 and the outer surface of the fixing rods 7 are both rough, which can make the connection between the two more tight. A storage groove 6 is provided on the top of the support plate 1, and the storage groove 6 is adapted to the storage plate 8. The inner surface of the storage groove 6 and the outer surface of the storage plate 8 are both smooth, which is convenient for the connection between the two. A fixing rod 7 is movably installed inside the fixing hole 5. When the fixing rod 7 is installed, it will be placed inside the fixing hole 5. The tops of the fixing rods 7 are fixedly installed with storage plates 8. The outer surface of the storage plate 8 is movably connected to the inner surface of the storage groove 6. When the storage plate 8 is installed, it will be placed inside the storage groove 6. Screw holes 10 are provided at both ends of the bottom of the storage groove 6, and the screw holes 10 are adapted to the bolts 9. Bolts 9 are rotatably installed at both ends of the top of the storage plate 8, and the bottom of the bolts 9 penetrates through the storage plate 8 and extends into the screw holes 10. Rotate the bolts 9 and screw them into the screw holes 10 to connect the storage plate 8 and the storage groove 6. Round holes 11 are provided on one side of the support plate 1, and lead screws 12 are movably installed inside the round holes 11. The round holes 11 are adapted to the lead screws 12. One side of the lead screw 12 is fixedly connected to one side of the block 22. When the block 22 moves, it will drive the lead screw 12 to be placed inside the round hole 11, and nuts 13 are threadedly sleeved on the surfaces of the lead screws 12.

[0021] The surfaces of the wheel axles 3 are all movably sleeved with sleeve rods 14, and mounting grooves 15 are provided inside the sleeve rods 14. The mounting grooves 15 are adapted to the clamping blocks 22. The sleeve rods 14 can be placed on the outer surfaces of the wheel axles 3 through the mounting grooves 15. A circular plate 16 is fixedly sleeved on the surface of the sleeve rod 14, and a sleeve plate 17 located on the right side of the circular plate 16 is fixedly sleeved on the surface of the sleeve rod 14. The circular plate 16 and the sleeve plate 17 can strengthen the strength of the reinforcing plate 18. A reinforcing plate 18 is fixedly installed around between the circular plate 16 and the sleeve plate 17, and one end of the reinforcing plate 18 is fixedly connected to the outer surface of the sleeve rod 14. The reinforcing plate 18 can enhance the strength of the sleeve rod 14. By providing the sleeve rod 14 and the circular plate 16, etc., the possibility of axial displacement of the wheel body 4 can be reduced. Connecting plates 19 are fixedly installed at both ends of the sleeve plate 17, and a circular shaft 20 is fixedly installed on one side of each connecting plate 19. When the sleeve plate 17 slides, it will drive the connecting plate 19 to slide, and then drive the circular shaft 20 to slide. Circular grooves 21 are provided on the opposite surfaces of the support plate 1, and the circular grooves 21 are adapted to the circular shafts 20. During installation, the circular shafts 20 will be placed inside the circular grooves 21. The inner surfaces of the circular grooves 21 and the outer surfaces of the circular shafts 20 are both smooth, which can make the circular shafts 20 slide more smoothly inside the circular grooves 21, thus facilitating their installation.

[0022] Working principle: First, the operator slides the sleeve rod 14, and then places it on the outer surface of the wheel axle 3 through the mounting groove 15. Then move the sleeve rod 14 again, and the sleeve rod 14 will drive the connecting plate 19 to slide. Subsequently, the connecting plate 19 will drive the circular shaft 20 to slide. At the same time, place the circular shaft 20 inside the circular groove 21 to complete the installation. Secondly, move the wheel axle 3, and the wheel axle 3 will drive the clamping block 22 to slide. Then place the clamping block 22 inside the clamping groove 2. At this time, the clamping block 22 will drive the lead screw 12 to be placed inside the round hole 11. Then place the nut 13 on the outer surface of the lead screw 12, and then rotate the nut 13 and rotate it to the outer surface of the support plate 1. At the same time, slide the storage plate 8, and the storage plate 8 will drive the fixed rod 7 to slide. Then place the fixed rod 7 inside the fixing hole 5 and place the storage plate 8 inside the storage groove 6. Immediately rotate the bolt 9 and screw it into the screw hole 10 to assemble the wheel body 4.

[0023] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A combined idler wheel, comprising a support plate (1), characterized in that: On the opposite faces of the support plate (1), clamping grooves (2) are provided. Inside the clamping grooves (2), clamping blocks (22) are movably installed. A wheel shaft (3) is fixedly installed between the clamping blocks (22). A wheel body (4) is rotatably installed on the surface of the wheel shaft (3). Fixing holes (5) are provided inside both the support plate (1) and the clamping blocks (22). A placing groove (6) is provided at the top of the support plate (1). A fixing rod (7) is movably installed inside the fixing hole (5). Placing plates (8) are fixedly installed at the tops of the fixing rods (7). The outer surface of the placing plate (8) is movably connected to the inner surface of the placing groove (6). At both ends of the bottom of the placing groove (6), screw holes (10) are provided. At both ends of the top of the placing plate (8), bolts (9) are rotatably installed, and the bottom of the bolt (9) penetrates through the placing plate (8) and extends into the screw hole (10).

2. The combined guide wheel according to claim 1, wherein: On one side of the support plate (1), round holes (11) are provided. Inside the round holes (11), lead screws (12) are movably installed. One side of the lead screw (12) is fixedly connected to one side of the clamping block (22), and nuts (13) are threadedly sleeved on the surfaces of the lead screws (12).

3. A combined idler according to claim 1, characterized in that: Sleeve rods (14) are movably sleeved on the surfaces of the wheel shafts (3), and installation grooves (15) are provided inside the sleeve rods (14).

4. The combined guide wheel according to claim 3, characterized in that: A circular plate (16) is fixedly sleeved on the surface of the sleeve rod (14). A sleeve plate (17) is fixedly sleeved on the surface of the sleeve rod (14) on the right side of the circular plate (16). A reinforcing plate (18) is fixedly installed around between the circular plate (16) and the sleeve plate (17), and one end of the reinforcing plate (18) is fixedly connected to the outer surface of the sleeve rod (14).

5. The combined idler according to claim 4, wherein: Connecting plates (19) are fixedly installed at both ends of the sleeve plate (17), and a circular shaft (20) is fixedly installed on one side of each connecting plate (19).

6. The combined guide wheel according to claim 1, characterized in that: Round grooves (21) are provided on the opposite faces of the support plate (1), and the round grooves (21) are adapted to the circular shafts (20).