Split type guide wheel for tracked vehicle

Abstract

The utility model discloses a kind of guide wheels for split track-laying vehicle, including center shaft, the outer wall of the center shaft is fixedly connected with inner fixed ring, the outer ring wall of the inner fixed ring is fixedly connected with connecting plate, the outer ring wall of the connecting plate is fixedly connected with outer fixed ring, the outer wall of the outer fixed ring is installed with rim body, limit mechanism is equipped between the outer fixed ring and rim body, a plurality of lightening holes are perforated on the connecting plate, a plurality of bolts are jointly installed between the outer fixed ring and rim body.The utility model outer fixed ring and rim body adopt detachable design, cooperate the accurate alignment function of limit mechanism, when replacing worn rim body, it can be quickly completed installation without complex calibration, substantially shorten maintenance time.

Description

Technical Field

[0001] This utility model relates to the field of guide wheel technology, and in particular to a split-type guide wheel for tracked vehicles. Background Technology

[0002] In the running gear system of tracked vehicles, the idler wheel is one of the core components. Its main function is to guide the track to rotate correctly, limit the lateral deviation of the track, and bear the radial load and lateral force transmitted during the vehicle's movement. It ensures that the track works in coordination with the drive wheel, track rollers, etc., and guarantees the stable driving of the vehicle in complex terrain.

[0003] Tracked vehicle idler wheels typically employ an integral structure. The wheel body of an integral idler wheel is a single unit, and the parts that directly contact the track are prone to wear due to frequent friction and impact during long-term use. When the wear reaches a certain level, the entire idler wheel needs to be replaced, leading to material waste, high maintenance costs, and a cumbersome replacement process requiring the disassembly of multiple related components, significantly extending equipment downtime and impacting operational efficiency. To address these issues, this application proposes a split-type tracked vehicle idler wheel. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a split-type guide wheel for tracked vehicles. The outer fixing ring and the wheel rim body are designed to be detachable. With the precise alignment function of the limiting mechanism, when replacing the worn wheel rim body, the operator can quickly complete the installation without complicated calibration, which greatly shortens the maintenance time.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A split-type tracked vehicle guide wheel includes a central shaft, an inner fixing ring fixedly connected to the outer wall of the central shaft, a connecting plate fixedly connected to the outer wall of the inner fixing ring, an outer fixing ring fixedly connected to the outer wall of the connecting plate, a wheel rim body mounted on the outer wall of the outer fixing ring, a limiting mechanism provided between the outer fixing ring and the wheel rim body, multiple weight reduction holes through the connecting plate, and multiple bolts jointly installed between the outer fixing ring and the wheel rim body.

[0007] Preferably, the limiting mechanism includes multiple limiting blocks that are fixedly connected to the outer wall of the outer fixed ring, and multiple limiting grooves are provided on the wheel rim body, with the multiple limiting blocks respectively inserted into the corresponding limiting grooves.

[0008] Preferably, the plurality of limiting blocks, weight-reducing holes and bolts are distributed at equal intervals.

[0009] Preferably, a first through hole is provided on the outer fixing ring, and a second through hole is provided on the inner wall of the rim body. The first through hole and the second through hole are matched. The bolt is provided through the first through hole and is threadedly connected to the second through hole.

[0010] Preferably, the outer wall of the bolt is provided with external threads, and the inner wall of the second through hole is provided with internal threads that mate with the external threads.

[0011] Preferably, a 3-5mm thick WC-Co alloy layer is spray-welded onto the outer wall of the wheel rim body.

[0012] Compared with the prior art, the advantages of this utility model are as follows:

[0013] 1. Through the synergistic effect of the limiting mechanism and the bolt connection, the limiting block inserted into the limiting groove can effectively limit the relative rotation between the outer fixed ring and the wheel flange body.

[0014] 2. The outer fixing ring and the rim body adopt a detachable design. With the precise alignment function of the limiting mechanism, when the wear-out rim body is replaced, the staff can quickly complete the installation without complicated calibration, which greatly shortens the maintenance time.

[0015] 3. The WC-Co alloy layer sprayed onto the outer wall of the wheel rim body is specifically reinforced in the friction area in contact with the track, significantly improving its wear resistance; the weight reduction holes on the connecting plate are evenly distributed, which reduces the overall weight of the guide wheel and the inertial force of operation, while avoiding local stress concentration and ensuring structural strength.

[0016] In summary, the outer fixing ring and the rim body adopt a detachable design. Combined with the precise alignment function of the limiting mechanism, when replacing the worn rim body, the staff can quickly complete the installation without complicated calibration, which greatly shortens the maintenance time. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of a split-type guide wheel for a tracked vehicle proposed in this utility model;

[0018] Figure 2 This is a rear view schematic diagram of a split-type guide wheel for a tracked vehicle proposed in this utility model;

[0019] Figure 3 This is a cross-sectional schematic diagram of a split-type guide wheel for a tracked vehicle proposed in this utility model.

[0020] In the diagram: 1. Central shaft, 2. Inner fixing ring, 3. Connecting plate, 4. Outer fixing ring, 5. Wheel rim body, 6. Limiting block, 7. Limiting groove, 8. Weight reduction hole, 9. Bolt, 10. First through hole, 11. Second through hole. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Reference Figures 1-3 A split-type tracked vehicle guide wheel includes a central shaft 1, which serves as the core support component of the guide wheel. An inner fixing ring 2 is fixedly connected to the outer wall of the central shaft 1. The inner fixing ring 2 transmits the supporting force of the central shaft 1 to a connecting plate 3. The connecting plate 3 connects the inner fixing ring 2 and the outer fixing ring 4, realizing the transmission of force and forming a stable whole between the inner and outer structures. At the same time, it fixes the relative position of the central shaft 1 and the connecting plate 3. The outer ring wall of the inner fixing ring 2 is fixedly connected to the connecting plate 3, and the outer ring wall of the connecting plate 3 is fixedly connected to the outer fixing ring 4. The outer fixing ring 4 provides an installation base for the wheel rim body 5, and is detachably connected to the wheel rim body 5 through a limiting mechanism and bolts 9. The wheel rim body 5 is installed on the outer wall of the outer fixing ring 4. The wheel rim body 5 directly contacts the track and guides the track to rotate. The alloy layer on its outer wall enhances wear resistance to reduce wear when in contact with the track. A 3-5mm thick WC-Co alloy layer is spray-welded onto the outer wall of the wheel rim body 5.

[0023] A limiting mechanism is provided between the outer fixed ring 4 and the wheel rim body 5. The limiting mechanism includes multiple limiting blocks 6 that are fixedly connected to the outer wall of the outer fixed ring 4. Multiple limiting grooves 7 are provided on the wheel rim body 5. The multiple limiting blocks 6 are respectively inserted into the corresponding limiting grooves 7. The limiting blocks 6 and the limiting grooves 7 cooperate to restrict the relative rotation of the outer fixed ring 4 and the wheel rim body 5, ensuring accurate alignment when the two are installed.

[0024] Multiple weight-reducing holes 8 are provided through the connecting plate 3. The weight-reducing holes 8 reduce the weight of the connecting plate 3 and reduce the inertial force when the guide wheel is running, without affecting its structural strength. Multiple bolts 9 are installed between the outer fixing ring 4 and the wheel rim body 5. The bolts 9 fasten the outer fixing ring 4 and the wheel rim body 5 to prevent them from separating during operation. A first through hole 10 is provided through the outer fixing ring 4. A second through hole 11 is provided on the inner wall of the wheel rim body 5. The second through hole 11 cooperates with the first through hole 10 to provide a threaded connection point for the bolts 9 to achieve a stable fixation. The bolts 9 cooperate with the second through hole 11. The bolts 9 are set through the first through hole 10 and are threadedly connected to the second through hole 11. The outer wall of the bolts 9 has external threads. The inner wall of the second through hole 11 has internal threads that cooperate with the external threads. The multiple limit blocks 6, weight-reducing holes 8 and bolts 9 are all distributed at equal intervals. The equal interval distribution ensures that each component is subjected to uniform force, avoids local stress concentration, and improves the stability of the overall structure.

[0025] In this invention, the outer fixing ring 4 and the wheel rim body 5 of the guide wheel are detachable. During long-term operation, the wheel rim body 5 will frequently come into contact with the track, accelerating its wear. When it is necessary to disassemble the wheel rim body 5, the operator uses tools to remove multiple bolts 9 one by one, removes the wheel rim body 5 for replacement, and then installs the new wheel rim body 5 onto the outer fixing ring 4, so that the limiting block 6 is inserted into the corresponding limiting groove 7 to complete the precise insertion and alignment of the outer fixing ring 4 and the wheel rim body 5. The operator then uses tools to insert multiple bolts 9 into the first through hole 10 and the second through hole 11. The installation of both is secured by the cooperation of the bolts 9 and the second through hole 11, allowing for partial disassembly of the guide wheel.

Claims

1. A split-type guide wheel for a tracked vehicle, comprising a central shaft (1), characterized in that, An inner fixing ring (2) is fixedly connected to the outer wall of the central shaft (1). A connecting plate (3) is fixedly connected to the outer wall of the inner fixing ring (2). An outer fixing ring (4) is fixedly connected to the outer wall of the connecting plate (3). A wheel rim body (5) is installed on the outer wall of the outer fixing ring (4). A limiting mechanism is provided between the outer fixing ring (4) and the wheel rim body (5). Multiple weight reduction holes (8) are opened through the connecting plate (3). Multiple bolts (9) are installed between the outer fixing ring (4) and the wheel rim body (5).

2. The split-type tracked vehicle guide wheel according to claim 1, characterized in that, The limiting mechanism includes multiple limiting blocks (6) that are fixedly connected to the outer wall of the outer fixed ring (4). Multiple limiting grooves (7) are provided on the wheel rim body (5). The multiple limiting blocks (6) are respectively inserted into the corresponding limiting grooves (7).

3. A split-type guide wheel for a tracked vehicle according to claim 2, characterized in that, The multiple limiting blocks (6), weight-reducing holes (8) and bolts (9) are all distributed at equal intervals.

4. The split-type tracked vehicle guide wheel according to claim 1, characterized in that, The outer fixing ring (4) has a first through hole (10) through it, and the inner wall of the rim body (5) has a second through hole (11). The first through hole (10) and the second through hole (11) are matched together. The bolt (9) is set through the first through hole (10) and the bolt (9) is threadedly connected to the second through hole (11).

5. A split-type guide wheel for a tracked vehicle according to claim 4, characterized in that, The outer wall of the bolt (9) is provided with an external thread, and the inner wall of the second through hole (11) is provided with an internal thread that matches the external thread.

6. A split-type guide wheel for a tracked vehicle according to claim 1, characterized in that, The outer wall of the rim body (5) is sprayed with a 3-5 mm thick WC-Co alloy layer.

Images