Crawler vehicle idler adjustment mechanism

Abstract

The utility model discloses a kind of tracked vehicle guide wheel adjusting mechanism, belong to guide wheel adjusting technical field, comprising: balance elbow, balance elbow is fixedly connected with the support shaft for installing guide wheel;Driving part, driving part is installed on vehicle body, and the output shaft of driving part is fixedly connected with the end of balance elbow away from support shaft;Wherein, when driving part starts, drive balance elbow to rotate around the output shaft of driving part, the utility model is set by motor and speed reducer, realize that motor rotation can drive balance elbow to rotate by speed reducer, real-time adjustment to tracked vehicle balance elbow can be realized.

Description

Technical Field

[0001] This utility model relates to the field of idler wheel adjustment technology, specifically to an idler wheel adjustment mechanism for a tracked vehicle. Background Technology

[0002] The idler wheel of a tracked armored vehicle is generally mounted on the vehicle body via a balance elbow to support the idler wheel. By controlling the angle of the balance elbow, the track feed can be adjusted. Currently, most mechanisms for adjusting the balance elbow angle use a combination of a worm gear and a turbine to adjust the balance elbow angle, thereby adjusting the track tension. However, this adjustment mechanism is relatively cumbersome to operate and can only be adjusted when the vehicle is stationary. To solve the above problems, this utility model provides an idler wheel adjustment mechanism for tracked vehicles. Utility Model Content

[0003] To address the aforementioned technical shortcomings, the purpose of this utility model is to provide an idler wheel adjustment mechanism for tracked vehicles. By configuring a motor and a reducer, the rotation of the motor can drive the balance elbow to rotate through the reducer, enabling real-time adjustment of the balance elbow of the tracked vehicle.

[0004] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: The present invention provides an idler wheel adjustment mechanism for a tracked vehicle, comprising:

[0005] A balance elbow, on which a support shaft for mounting an inducer wheel is fixedly connected;

[0006] A drive unit is mounted on the vehicle body, and the output shaft of the drive unit is fixedly connected to the end of the balance elbow away from the support shaft.

[0007] When the drive unit is started, it drives the balance elbow to rotate around the output shaft of the drive unit.

[0008] Preferably, the driving unit includes:

[0009] A speed reducer, which is mounted on the vehicle body and whose output shaft is fixedly connected to a balance elbow;

[0010] The motor housing is connected to the reducer housing, and the motor shaft is fixedly connected to the reducer input shaft.

[0011] Preferably, a brake is installed on the side wall of the motor away from the reducer, and the brake is used to lock the tail end of the motor shaft when the motor stops.

[0012] Preferably, the brake comprises:

[0013] The base frame is fixedly connected to the housing of the motor;

[0014] A locking sleeve, which is slidably mounted inside the base frame;

[0015] When the motor starts, the locking sleeve slides away from the motor shaft; when the motor stops, the locking sleeve locks the motor shaft.

[0016] Preferably, a gear is fixedly sleeved on the motor shaft of the motor, and teeth that are compatible with the gear are fixedly connected to the locking sleeve.

[0017] Preferably, both ends of the locking sleeve extend into the sliding grooves provided on the inner side walls of the base frame, and a spring is connected between the locking sleeve and the groove wall. An electromagnet is fixedly connected to the groove wall on the side of the sliding groove away from the motor shaft axis, and a magnetic block adapted to the electromagnet is fixedly connected to the locking sleeve.

[0018] Preferably, the number of the locking sleeves is two, and the two locking sleeves are symmetrical about the axis of the motor shaft.

[0019] Preferably, a plurality of base plates are fixedly connected to the housing of the reducer, and the base plates are connected to a connecting plate via elastic members fixedly connected thereto, and the connecting plate is connected to the vehicle body.

[0020] Preferably, the elastic element includes: a spring frame, the spring frame being U-shaped and fixedly sleeved on the substrate, the sidewall of the spring frame being a hollow structure, and the end face of the open end of the spring frame being arc-shaped.

[0021] Preferably, multiple support rings are fixedly installed inside the hollowed-out side wall of the spring frame, and the support rings are made of elastic material.

[0022] The beneficial effects of this utility model are as follows:

[0023] This invention, through the configuration of a motor and a reducer, enables the motor to be started while the vehicle is in motion, and the reducer drives the balance elbow to rotate, thereby adjusting the position of the idler wheel in real time without stopping the vehicle, which facilitates the driver's adjustment work.

[0024] This invention, through the setting of a locking sleeve and gears, enables the electromagnet to be de-energized and demagnetized when the motor stops, and the spring to push the locking sleeve to engage the gear at the tail end of the motor shaft. The gear meshing achieves mechanical locking, thereby keeping the angles of the motor, reducer and balance elbow fixed, thus stabilizing the position of the idler wheel and ensuring that the track is always in the adjusted tension state. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the structure of an idler wheel adjustment mechanism for a tracked vehicle, provided as an embodiment of the present invention.

[0027] Figure 2 This is an exploded view of the balance elbow, reducer, and motor of this utility model.

[0028] Figure 3 This is a cross-sectional view of the base frame of this utility model.

[0029] Figure 4 This utility model Figure 3 Enlarged view of point A.

[0030] Figure 5 This is a schematic diagram showing the connection of the substrate, spring frame, and connecting plate of this utility model.

[0031] Figure 6 This utility model Figure 5 Exploded view.

[0032] Explanation of reference numerals in the attached figures:

[0033] 1. Balance elbow, 2. Support shaft, 3. Reducer, 4. Motor, 5. Base frame, 6. Lock sleeve, 7. Gear, 8. Slide groove, 9. Spring, 10. Electromagnet, 11. Magnetic block, 12. Base plate, 13. Connecting plate, 14. Spring frame, 15. Support ring. Detailed Implementation

[0034] 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.

[0035] This utility model provides an idler wheel adjustment mechanism for a tracked vehicle, such as... Figures 1 to 6 As shown.

[0036] Example 1:

[0037] A tracked vehicle idler wheel adjustment mechanism includes a balance elbow 1 and a drive unit. One end of the balance elbow 1 is fixedly connected to a support shaft 2 for mounting the idler wheel, and the other end is fixedly connected to the output shaft of the drive unit. The drive unit consists of a motor 4 and a reducer 3: the housing of the motor 4 is rigidly connected to the housing of the reducer 3, and the motor shaft of the motor 4 is fixedly connected to the input shaft of the reducer 3; the reducer 3 is mounted on the vehicle body.

[0038] When it is necessary to adjust the tension of the track, start the motor 4. The output shaft of the motor 4 will input power to the reducer 3. After the reducer 3 reduces the speed and increases the torque, the power is output to the balance elbow 1, causing the balance elbow 1 to rotate around the axis of the output shaft of the reducer 3, thereby driving the support shaft 2 to swing. Then the angle of the idler wheel can be adjusted to adjust the tension of the track.

[0039] The setting of reducer 3 allows for more precise adjustment of the angle of balance elbow 1.

[0040] Example 2:

[0041] Based on Embodiment 1, in order to protect the drive unit when passing through complex road surfaces, the reducer 3 is connected to the vehicle body with the following structure.

[0042] Multiple base plates 12 are fixedly connected to the reducer 3. The base plates 12 are connected to the connecting plate 13 through elastic members fixedly connected thereto. The connecting plate 13 is connected to the vehicle body by bolts. The elastic members can buffer and protect the reducer 3 when the vehicle passes through complex road surfaces, causing the idler wheel to suffer severe impact.

[0043] The elastic element includes a spring frame 14, which is U-shaped and fixedly sleeved on the outside of the substrate 12. The side wall of the spring frame 14 has a hollow structure, and the end face of the opening end of the spring frame 14 is arc-shaped. The spring frame 14 can generate elastic deformation to relieve impact forces from multiple directions.

[0044] Furthermore, in order to improve the support of the spring frame 14, multiple support rings 15 are fixedly installed inside the hollow side wall of the spring frame 14. The support rings 15 are made of elastic material, which can produce corresponding elastic deformation during buffering, and can also improve the support of the spring frame 14.

[0045] Example 3:

[0046] Based on Embodiment 1, in order to ensure the stability of the balance elbow 1 after adjustment, a brake is provided at the end of the motor 4 away from the reducer 3. The brake includes:

[0047] The base frame 5 is fixedly connected to the housing of the motor 4 and sleeved on the outer side of the tail end of the motor shaft of the motor 4. The two sides of the motor shaft of the motor 4 are symmetrically provided with locking sleeves 6. The outer side of the tail end of the motor shaft of the motor 4 is fixedly sleeved with a gear 7. The locking sleeve 6 is provided with teeth that are compatible with the gear 7.

[0048] Both ends of the locking sleeve 6 extend into the interior of the sliding grooves 8 provided on the inner walls of both sides of the base frame 5, and a spring 9 is connected between the locking sleeve 6 and the groove wall of the sliding groove 8. An electromagnet 10 is fixedly connected to the side of the sliding groove 8 away from the motor shaft axis of the motor 4, and a magnetic block 11 adapted to the electromagnet 10 is fixedly connected to the locking sleeve 6.

[0049] When motor 4 starts, electromagnet 10 is energized, generating attraction to magnetic block 11, causing locking sleeve 6 to overcome the elastic force of spring 9 and move away from motor shaft of motor 4, thereby disengaging the teeth on locking sleeve 6 from gear 7, allowing motor shaft of motor 4 to rotate smoothly.

[0050] When motor 4 stops, electromagnet 10 is de-energized. At this time, under the elastic force of spring 9, locking sleeve 6 moves towards the motor shaft of motor 4. The teeth on locking sleeve 6 mesh with gear 7 and lock, mechanically locking the motor shaft of motor 4. This fixes the angle of motor shaft of motor 4 and ensures the stability of balance elbow 1 after adjustment.

[0051] Obviously, those skilled in the art can make various modifications and variations to this utility model without departing from its spirit and scope. Therefore, if these modifications and variations fall within the scope of the claims of this utility model and their equivalents, this utility model also intends to include these modifications and variations.

Claims

1. A tracked vehicle idler wheel adjustment mechanism, characterized in that, include: A balance elbow (1) is fixedly connected to a support shaft (2) for mounting an inducer wheel. The drive unit is mounted on the vehicle body, and the output shaft of the drive unit is fixedly connected to the end of the balance elbow (1) away from the support shaft (2); When the drive unit is started, it drives the balance elbow (1) to rotate around the output shaft of the drive unit; The drive unit includes: The reducer (3) is mounted on the vehicle body and the output shaft of the reducer (3) is fixedly connected to the balance elbow (1); The motor (4) has its housing connected to the housing of the reducer (3), and the motor shaft of the motor (4) is fixedly connected to the input shaft of the reducer (3). A brake is installed on the side wall of the motor (4) away from the reducer (3), and the brake is used to lock the tail end of the motor shaft of the motor (4) when the motor (4) stops.

2. The tracked vehicle idler wheel adjustment mechanism as described in claim 1, characterized in that, The brake includes: The base frame (5) is fixedly connected to the housing of the motor (4); Lock sleeve (6), which is slidably installed inside the base frame (5); When the motor (4) starts, the locking sleeve (6) slides away from the motor shaft of the motor (4), and when the motor (4) stops, the locking sleeve (6) locks the motor shaft of the motor (4).

3. The tracked vehicle idler wheel adjustment mechanism as described in claim 2, characterized in that, A gear (7) is fixedly sleeved on the motor shaft of the motor (4), and teeth that are compatible with the gear (7) are fixedly connected on the locking sleeve (6).

4. The tracked vehicle idler wheel adjustment mechanism as described in claim 2, characterized in that, The two ends of the locking sleeve (6) extend into the sliding grooves (8) provided on the inner side walls of the base frame (5), and a spring (9) is connected between the locking sleeve (6) and the groove wall of the sliding groove (8). An electromagnet (10) is fixedly connected to the groove wall on the side away from the motor shaft axis of the motor (4), and a magnetic block (11) adapted to the electromagnet (10) is fixedly connected to the locking sleeve (6).

5. The tracked vehicle idler wheel adjustment mechanism as described in claim 2, characterized in that, The number of the locking sleeves (6) is two, and the two locking sleeves (6) are symmetrical about the axis of the motor shaft of the motor (4).

6. The tracked vehicle idler wheel adjustment mechanism as described in claim 1, characterized in that, Multiple base plates (12) are fixedly connected to the outer shell of the reducer (3). The base plates (12) are connected to the connecting plate (13) through elastic members fixedly connected thereto. The connecting plate (13) is connected to the vehicle body.

7. The tracked vehicle idler wheel adjustment mechanism as described in claim 6, characterized in that, The elastic element includes: a spring frame (14), the spring frame (14) is U-shaped and is fixedly sleeved on the substrate (12), the side wall of the spring frame (14) is a hollow structure, and the end face of the opening end of the spring frame (14) is arc-shaped.

8. The tracked vehicle idler wheel adjustment mechanism as described in claim 7, characterized in that, Multiple support rings (15) are fixedly installed inside the hollow side wall of the spring frame (14), and the support rings (15) are made of elastic material.

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