CN220147446U - Crawler device capable of crossing step slope - Google Patents

Crawler device capable of crossing step slope Download PDF

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Publication number
CN220147446U
CN220147446U CN202321580955.XU CN202321580955U CN220147446U CN 220147446 U CN220147446 U CN 220147446U CN 202321580955 U CN202321580955 U CN 202321580955U CN 220147446 U CN220147446 U CN 220147446U
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China
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hydraulic
oil
rod
hole
box body
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CN202321580955.XU
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Chinese (zh)
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阳林
黄基金
郑俊滨
姚婷妮
赵元阳
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Guangdong University of Technology
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Guangdong University of Technology
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Abstract

The utility model discloses a crawler device capable of crossing a step slope, which comprises a frame, a crawler, a rotating motor, a supporting plate, a hydraulic pump, a hydraulic box body with rollers, wherein two screw rods are arranged in the frame in parallel; the support plate is connected with the two screw rods through screw rod sleeves, so that the rotary power from the screw rods is received, and the rotary power is converted into the power for the movement of the support plate, so that the support plate horizontally moves along the rotation of the screw rods; the hydraulic pump is respectively connected with the hydraulic rod and the hydraulic box body through oil pipes; according to the utility model, the hydraulic lifting mechanism which moves horizontally along with the transmission of the screw rod is arranged, so that the tracked vehicle has the function of climbing a step slope, and the practicability and the flexibility of the tracked vehicle are improved.

Description

Crawler device capable of crossing step slope
Technical Field
The utility model relates to the technical field of climbing of tracked vehicles, in particular to a tracked vehicle device capable of crossing a step slope.
Background
The hills in China have wide areas, and many crops are planted in mountain lands and terraces, and because of the special terrains of the mountain lands and terraces, only crawler vehicles are often adequate for transporting crop fertilizers, agricultural appliances and fruits. Thus, the crawler must have good climbing ability to be able to perform the task of working in hills and terraces.
In the existing design scheme of the crawler, the improvement is based on the improvement of the climbing capacity and the climbing stability of the crawler; the crawler has limited climbing capacity, and can not smoothly pass through the crawler when meeting steep slopes and stair steps, so that the crawler is greatly limited in operation on mountainous regions. Therefore, the utility model provides a crawler climbing device based on hydraulic and screw rod transmission, so that the crawler can smoothly pass through when facing steep slopes, in particular to stair slopes.
Disclosure of Invention
The utility model aims to overcome the defects and shortcomings of the prior art and provide a crawler device capable of crossing a step slope, and the problems in the prior art are solved by arranging a hydraulic lifting mechanism.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the crawler device capable of crossing the step slope comprises a frame, a crawler, a rotating motor, a supporting plate, a hydraulic pump and a hydraulic box body with rollers, wherein the two screw rods are arranged in the frame in parallel, the rotating motor is respectively connected with the screw rods on the two sides through a transmission belt, and the rotating motor is used as a power source to drive the screw rods to rotate; the support plate is connected with the two screw rods through screw rod sleeves, so that the rotary power from the screw rods is received, and the rotary power is converted into the power for the movement of the support plate, so that the support plate horizontally moves along the rotation of the screw rods; the hydraulic control device is characterized in that a hydraulic rod is fixedly welded on the supporting plate, the other end of the hydraulic rod is connected with the hydraulic box body, the hydraulic rod controls the lifting of the hydraulic box body, and the hydraulic pump is respectively connected with the hydraulic rod and the hydraulic box body through oil pipes.
Preferably, the inside support frame that is equipped with of hydraulic pressure box, the support frame comprises hydraulic pressure closing plate, bracing piece and gyro wheel mounting bracket, the hydraulic pressure closing plate is with the hydraulic pressure box internal portion cavity and lower cavity, the bracing piece is in the cavity down, and bracing piece one end is connected with hydraulic pressure closing plate, and the other end stretches out from the round hole of hydraulic pressure bottom of the case portion and is connected with the gyro wheel mounting bracket, the gyro wheel mounting bracket is equipped with the gyro wheel.
Preferably, the top end of the hydraulic box body is provided with a first oil hole, the bottom of the side wall is provided with a second oil hole, and the first oil hole and the second oil hole are connected with the hydraulic pump through oil pipes; the first oil hole is positioned in the upper cavity, and the second oil hole is positioned in the lower cavity;
when the first oil hole is used as an oil inlet hole and the second oil hole is used as an oil return hole, hydraulic oil enters the upper cavity and then presses the hydraulic sealing plate to move downwards; when the first oil hole is used as an oil return hole and the second oil hole is used as an oil inlet hole, hydraulic oil enters the lower cavity and then pushes the hydraulic sealing plate to move upwards.
Preferably, the hydraulic rod comprises dead lever and telescopic link, and hydraulic stem and backup pad welded fastening's part is the dead lever, the telescopic link is built-in the dead lever, after the high-pressure oil of hydraulic pump is input to the hydraulic stem through oil pipe, the telescopic link outwards stretches out, makes hydraulic tank perpendicular to ground.
Preferably, the hydraulic rod is connected with the hydraulic box body through a pin shaft, and when the telescopic rod of the hydraulic rod does not extend, the tracked vehicle device is close to the frame, so that the trafficability of the tracked vehicle is ensured.
Preferably, a sealing ring is arranged between the round hole and the hydraulic box body, so that the round hole is in sealing connection with the hydraulic box body.
Working principle: when the tracked vehicle runs on a road surface with a relatively good road condition and a relatively gentle slope, the device does not participate in work, and the hydraulic tank body is made to be as close to the tracked vehicle chassis as possible through the hydraulic rod.
When the tracked vehicle encounters a steep slope, particularly a step slope, in the running process, the tracked vehicle is driven to the front of the step slope, a driver controls a motor to rotate to drive a screw rod to rotate, and then a supporting plate sleeved with a screw rod sleeve is moved to the advancing end of the tracked vehicle, and the driver starts a hydraulic pump to manufacture high-pressure oil; the driver controls the oil valve, inputs the high-pressure oil into the hydraulic rod through the oil pipe, and the telescopic rod stretches after the hydraulic rod is pressed, so that the hydraulic box body is pushed to a position vertical to the ground. After the hydraulic tank body reaches a proper position, a driver can continuously control the oil valve, the first oil hole is used as an oil inlet hole, the second oil hole is used as an oil return hole, high-pressure oil is input into the first cavity in the hydraulic tank body, the sealing plate is extruded to move downwards, and hydraulic oil in the second cavity flows back to the oil tank through the oil pipe; the support frame with the rollers also moves downwards, the advancing end of the tracked vehicle is gradually lifted, when the lowest point height of the advancing end of the tracked vehicle is larger than the height of the step slope, the driver controls the oil valve to stop oil supply, the tracked vehicle advancing system is restarted, and the tracked vehicle is stopped when the tracked vehicle advancing to the front end of the tracked vehicle is positioned above the step slope (shown in fig. 5). The driver controls the oil valve, uses first oilhole as the oil gallery, and the second oilhole is as the inlet port, and the hydraulic tank body pressure release, support frame recovery, the track of track vehicle advance end berths on the ladder slope. After the support frame is recovered into the hydraulic box body, a driver controls the driving motor to rotate reversely to drive the screw rod to rotate reversely, and then the support plate with the screw rod sleeve is moved to the tail end of the crawler (shown in fig. 6). After the hydraulic box body moves to a proper position, a driver continuously controls the oil valve, the first oil hole is used as an oil inlet hole, the second oil hole is used as an oil return hole, the support frame in the hydraulic box body is pushed to move downwards, and the tail end of the crawler belt vehicle is jacked to a proper position. After the rear end of the tracked vehicle is jacked up, a driver continues to control the crawler forward system until two thirds of the lower branch crawler of the tracked vehicle is stopped on the step slope, the second oil hole of the hydraulic box body is used as an oil inlet hole, the first oil hole is used as an oil return hole, the support frame is recycled into the hydraulic box body, an oil valve of the hydraulic rod is controlled, the hydraulic box body is recycled onto the chassis of the tracked vehicle, and the hydraulic pump is closed. And then the crawler can smoothly cross the step slope by continuing to advance.
When the tracked vehicle needs to descend the ladder slope, the device is also applicable, the tracked vehicle is driven forwards to the front end of the tracked vehicle to be suspended (the tracked vehicle is guaranteed to be still stably positioned on the ladder slope), then the driver controls the rotating motor to rotate, the screw rod is driven to rotate, the supporting plate and the hydraulic box body are moved to the front end of the tracked vehicle, then the driver starts the hydraulic pump, high-pressure oil is generated, the hydraulic rod and the hydraulic box body are input with the high-pressure oil through the oil pipe, the hydraulic mechanism with the idler wheels is extended to the ground, and the front end of the tracked vehicle is stressed by the idler wheels. And then continuously driving the crawler belt to advance (ensuring that the rear end of the crawler belt is still on a slope), and then releasing pressure to the hydraulic box body to slowly drop the front end of the crawler belt wheel to the ground. After the front end of the crawler belt falls to the ground, the rotating motor is controlled to rotate reversely, and the supporting plate is conveyed to the rear end of the crawler belt through the screw rod. After the support plate reaches the proper position of the rear end, the hydraulic pump inputs high-pressure oil into the hydraulic box body through the oil pipe, the support frame with the idler wheels is pushed to move downwards until contacting the ground and slightly lifting the rear end of the crawler, and then the crawler advancing system can be started to advance until the rear end of the crawler leaves the step slope. After the crawler leaves the step slope, the driver controls the oil valve, the hydraulic box body is depressurized, the supporting frame with the idler wheels withdraws the hydraulic box body, the hydraulic rod is controlled to retract, the hydraulic box body is withdrawn to the crawler chassis, and the hydraulic pump is turned off. So far, the crawler is finished descending the slope.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the lifting of the hydraulic box body is controlled by arranging the hydraulic rod, the supporting frame in the hydraulic box body is controlled by the hydraulic pressure, when the tracked vehicle runs on a road surface with a better road condition and a more gentle slope, the tracked vehicle does not participate in work, the roller is retracted into the hydraulic box body, the hydraulic rod is shortened to enable the hydraulic box body to be as close to the chassis of the tracked vehicle as possible, so that a better ground clearance between the chassis and the ground is ensured in the running process of the tracked vehicle, and therefore, good trafficability is ensured in the running process of the tracked vehicle; according to the utility model, the hydraulic lifting mechanism which moves horizontally along with the transmission of the screw rod is arranged, so that the tracked vehicle has the function of climbing a stepped slope by adjusting the lifting of the hydraulic lifting mechanism at different positions in different sequences when the tracked vehicle climbs or descends, and the practicability and flexibility of the tracked vehicle are improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a perspective view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the hydraulic tank of the present utility model;
FIG. 4 is a schematic view of the structure of the support frame of the present utility model;
FIG. 5 is a cross-sectional view of the hydraulic tank and support bracket of the present utility model;
FIG. 6 is a state diagram of the present utility model crossing a step slope;
FIG. 7 is a state diagram of the present utility model crossing a step slope;
in the figure: 1. a hydraulic pump; 2. a rotating electric machine; 3. a screw rod; 4. a support plate; 5. a transmission belt; 6. a hydraulic rod; 7. a first oil hole; 8. a hydraulic tank; 8-1, round holes; 9. a support frame; 9-1, a hydraulic sealing plate; 9-2, supporting rods; 9-3, a roller mounting rack; 10. a roller; 11. a second oil hole; 12. an upper cavity; 13. a pin shaft; 14. a lower cavity.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.
Referring to fig. 1-7, the present utility model provides a technical solution:
the crawler device capable of crossing the step slope comprises a frame, a crawler, a rotating motor 2, a supporting plate 4, a hydraulic pump 1, a hydraulic box body 8 with rollers 10, and two screw rods 3 which are arranged in parallel in the frame, wherein the rotating motor 2 is respectively connected with the screw rods 3 on two sides through a transmission belt 5, and the rotating motor 2 is used as a power source to drive the screw rods 3 to rotate; the support plate 4 is connected with the two screw rods 3 through screw rod sleeves, so that the rotation power from the screw rods 3 is received, and the rotation power is converted into the power for the movement of the support plate 4, so that the support plate 4 horizontally moves along the rotation of the screw rods 3; the hydraulic rod 6 is welded and fixed on the supporting plate 4, the other end of the hydraulic rod 6 is connected with the hydraulic box body 8, the hydraulic rod 6 controls the lifting of the hydraulic box body 8, the hydraulic pump 1 is respectively connected with the hydraulic rod 6 and the hydraulic box body 8 through oil pipes, and when the hydraulic pump works, high-pressure oil of the hydraulic pump 1 is input to the hydraulic rod 6 through the oil pipes, so that the expansion and the contraction of the hydraulic rod 6 are controlled; the hydraulic pump 1 is specifically connected with a first oil hole 7 and a second oil hole 11 of the hydraulic box body 8; secondly, the rotating motor 2 is a device in the prior art, and the supporting plate 4 sleeved with the screw rod sleeves moves back and forth on the screw rods 3 by controlling the positive and negative rotation of the rotating motor 2 and driving the two screw rods 3 to rotate clockwise or anticlockwise through the driving belt 5;
according to the utility model, the lifting of the hydraulic box body 8 is controlled by arranging the hydraulic rod 6, the supporting frame 9 in the hydraulic box body 8 is hydraulically controlled, when the tracked vehicle runs on a road surface with a relatively good road condition and a relatively gentle slope, the tracked vehicle does not participate in work, the roller 10 is retracted into the hydraulic box body 8, and the hydraulic rod 6 is shortened to enable the hydraulic box body 8 to be as close to the chassis of the tracked vehicle as possible, so that a relatively good ground clearance between the chassis and the ground is ensured in the running process of the tracked vehicle, and thus good trafficability of the tracked vehicle is ensured; according to the utility model, the hydraulic lifting mechanism which moves horizontally along with the transmission of the screw rod 3 is arranged, so that the tracked vehicle has the function of climbing a stepped slope by adjusting the lifting of the hydraulic lifting mechanism at different positions in different sequences when the tracked vehicle climbs or descends, and the practicability and flexibility of the tracked vehicle are improved.
In this embodiment, as shown in fig. 3-5, a supporting frame 9 is disposed inside the hydraulic tank 8, the supporting frame 9 is composed of a hydraulic sealing plate 9-1, a supporting rod 9-2 and a roller mounting frame 9-3, the hydraulic sealing plate 9-1 divides the inside of the hydraulic tank 8 into an upper cavity 12 and a lower cavity 14, the supporting rod 9-2 is located in the lower cavity 14, one end of the supporting rod 9-2 is connected with the hydraulic sealing plate 9-1, the other end extends out from a circular hole 8-1 at the bottom of the hydraulic tank 8 to be connected with the roller mounting frame 9-3, and the roller mounting frame 9-3 is provided with rollers 10; the hydraulic box body 8 is provided with the rollers 10, the rollers 10 assist the tracked vehicle to cross the step slope, and the rollers 10 are pressurized and decompressed by the hydraulic box body 8 to realize up-and-down movement, so that the hydraulic box is flexible and practical; the number of rollers 10 in this embodiment is three.
In this embodiment, as shown in fig. 5, a first oil hole 7 is provided at the top end of the hydraulic tank 8, a second oil hole 11 is provided at the bottom of the side wall, and the first oil hole and the second oil hole are both connected with the hydraulic pump 1 through oil pipes; the first oil hole 7 is positioned in the upper cavity 12, and the second oil hole 11 is positioned in the lower cavity 14;
when the first oil hole 7 is used as an oil inlet hole and the second oil hole 11 is used as an oil return hole, hydraulic oil enters the upper cavity 12 and then presses the hydraulic sealing plate 9-1 to move downwards; when the first oil hole 7 is used as an oil return hole and the second oil hole 11 is used as an oil inlet hole, hydraulic oil enters the lower cavity 14 and then pushes the hydraulic sealing plate 9-1 to move upwards; the hydraulic box body 8 is provided with the upper oil hole and the lower oil hole, and the upper cavity 14 and the lower cavity 14 are matched with the upper cavity and the lower cavity 14 which are spaced by the hydraulic sealing plate 9-1, so that the lifting of the roller 10 of the hydraulic box body 8 is realized, and the hydraulic box body is simple in structure and strong in operability.
In this embodiment, as shown in fig. 2, the hydraulic rod 6 is composed of a fixed rod and a telescopic rod, the part of the hydraulic rod 6 welded and fixed with the supporting plate 4 is the fixed rod, the telescopic rod is internally arranged in the fixed rod, and when the high-pressure oil of the hydraulic pump 1 is input into the hydraulic rod 6 through the oil pipe, the telescopic rod extends outwards, so that the hydraulic oil tank is vertical to the ground; in this embodiment, as can be seen in fig. 2, the telescopic rod is thin and the fixing rod is thick; the hydraulic oil tank is connected with the hydraulic rod 6 through pins, when the hydraulic pump 1 does not input high-pressure oil to the hydraulic rod 6, the telescopic rod does not extend out, the hydraulic tank body 8 is parallel to the supporting plate 4, and a good ground clearance is ensured.
In this embodiment, in order to further enhance the trafficability of the crawler in the mountain area or the terraced fields, the hydraulic rod 6 is connected with the hydraulic box 8 through the pin shaft 13, and when the telescopic rod of the hydraulic rod 6 does not extend, the hydraulic box 8 is made to be close to the frame, so as to ensure the trafficability of the crawler.
In this embodiment, in order to further enhance the tightness, a sealing ring is disposed between the circular hole 8-1 and the hydraulic tank 8, so that the circular hole 8-1 is in sealing connection with the hydraulic tank 8.
Working principle: when the tracked vehicle runs on a road surface with a relatively good road condition and a relatively gentle slope, the device does not participate in work, and the hydraulic tank body 8 is made to be as close to the tracked vehicle chassis as possible through the hydraulic rod 6.
When the tracked vehicle encounters a steep slope, particularly a step slope, during running, the tracked vehicle is driven to the front of the step slope, a driver controls a motor to rotate to drive a screw rod 3 to rotate, and then a supporting plate 4 sleeved with a screw rod sleeve is moved to the advancing end of the tracked vehicle, and the driver starts a hydraulic pump 1 to manufacture high-pressure oil; the driver controls the oil valve, inputs the high-pressure oil into the hydraulic rod 6 through the oil pipe, and the telescopic rod stretches after the hydraulic rod 6 is pressed, so that the hydraulic box body 8 is pushed to a position vertical to the ground. After the hydraulic tank body 8 reaches a proper position, a driver can continuously control the oil valve, the first oil hole 7 is used as an oil inlet hole, the second oil hole 11 is used as an oil return hole, high-pressure oil is input into the first cavity in the hydraulic tank body 8, the sealing plate is extruded to move downwards, and hydraulic oil in the second cavity flows back to the oil tank through the oil pipe; the carriage 9 with the rollers 10 is also moved downwards, the advancing end of the crawler is gradually lifted, and when the lowest point height of the advancing end of the crawler is larger than the height of the step slope, the driver controls the oil valve to stop oil supply, the crawler advancing system is restarted, and the advancing is stopped when the crawler advancing to the front end of the crawler is positioned above the step slope (as shown in fig. 5). The driver controls the oil valve, takes the first oil hole 7 as the oil return hole, and the second oil hole 11 as the oil inlet hole, and hydraulic tank 8 pressure release, support frame 9 retrieve, and the track of track vehicle advance end is berthed on the ladder slope. After the support frame 9 is recovered into the hydraulic box body 8, the driver controls the driving motor to rotate reversely to drive the screw rod 3 to rotate reversely, so that the support plate 4 with the screw rod sleeve is moved to the tail end of the crawler (as shown in fig. 6). After the hydraulic tank body 8 moves to a proper position, the driver continues to control the oil valve, the first oil hole 7 is used as an oil inlet hole, the second oil hole 11 is used as an oil return hole, the supporting frame 9 in the hydraulic tank body 8 is pushed to move downwards, and the tail end of the crawler belt is jacked to a proper position. After the rear end of the tracked vehicle is jacked up, a driver continues to control the tracked vehicle forward system, the second oil hole 11 of the hydraulic box body 8 is used as an oil inlet, the first oil hole 7 is used as an oil return hole, the support frame 9 is recycled into the hydraulic box body 8, an oil valve of the hydraulic rod 6 is controlled, the hydraulic box body 8 is recycled onto the chassis of the tracked vehicle, and the hydraulic pump 1 is closed. And then the crawler can smoothly cross the step slope by continuing to advance.
When the tracked vehicle needs to descend the ladder slope, the device is also applicable, the tracked vehicle is driven forwards to the front end of the tracked vehicle to be suspended (the tracked vehicle is ensured to be still stable and positioned on the ladder slope), then the driver controls the rotating motor 2 to rotate, the screw rod 3 is driven to rotate, the supporting plate 4 and the hydraulic box body 8 are moved to the front end of the tracked vehicle, then the driver starts the hydraulic pump 1, high-pressure oil is generated, the high-pressure oil is input to the hydraulic rod 6 and the hydraulic box body 8 through the oil pipe, the hydraulic mechanism with the idler wheels 10 is extended to the ground, and the front end of the tracked vehicle is stressed by the idler wheels 10. And then continuously driving the crawler belt to advance (ensuring that the rear end of the crawler belt is still on a slope), and then releasing pressure to the hydraulic box body 8 to slowly drop the front end of the crawler belt wheel to the ground. After the front end of the crawler belt falls to the ground, the rotary motor 2 is controlled to rotate reversely, and the supporting plate 4 is conveyed to the rear end of the crawler belt through the screw rod 3. After the support plate 4 reaches the proper position at the rear end, the hydraulic pump 1 inputs high-pressure oil into the hydraulic box 8 through the oil pipe, pushes the support frame 9 with the roller 10 to move downwards until contacting the ground and slightly lifting the rear end of the crawler, and then the crawler advancing system can be started to advance until the rear end of the crawler leaves the step slope. After the crawler leaves the step slope, the driver controls the oil valve, the hydraulic tank 8 is depressurized, the supporting frame 9 with the roller 10 withdraws the hydraulic tank 8, the hydraulic rod 6 is controlled to retract, the hydraulic tank 8 is withdrawn to the crawler chassis, and the hydraulic pump 1 is turned off. So far, the crawler is finished descending the slope.
The foregoing is illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various changes, modifications, substitutions, combinations, and simplifications which may be made therein without departing from the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The crawler device capable of crossing the step slope comprises a frame, a crawler and a rotating motor, a supporting plate, a hydraulic pump and a hydraulic box body with rollers, wherein the two screw rods are arranged in the frame in parallel; the support plate is connected with the two screw rods through screw rod sleeves, so that the rotary power from the screw rods is received, and the rotary power is converted into the power for the movement of the support plate, so that the support plate horizontally moves along the rotation of the screw rods; the hydraulic control device is characterized in that a hydraulic rod is fixedly welded on the supporting plate, the other end of the hydraulic rod is connected with the hydraulic box body, the hydraulic rod controls the lifting of the hydraulic box body, and the hydraulic pump is respectively connected with the hydraulic rod and the hydraulic box body through oil pipes.
2. The crawler device according to claim 1, wherein a supporting frame is arranged in the hydraulic box body, the supporting frame is composed of a hydraulic sealing plate, a supporting rod and a roller mounting frame, the hydraulic sealing plate divides the inner part of the hydraulic box body into an upper cavity and a lower cavity, the supporting rod is positioned in the lower cavity, one end of the supporting rod is connected with the hydraulic sealing plate, the other end of the supporting rod extends out of a round hole in the bottom of the hydraulic box body and is connected with the roller mounting frame, and the roller mounting frame is provided with rollers.
3. The crawler device according to claim 2, wherein the top end of the hydraulic box body is provided with a first oil hole, the bottom of the side wall is provided with a second oil hole, and the first oil hole and the second oil hole are connected with the hydraulic pump through oil pipes; the first oil hole is positioned in the upper cavity, and the second oil hole is positioned in the lower cavity;
when the first oil hole is used as an oil inlet hole and the second oil hole is used as an oil return hole, hydraulic oil enters the upper cavity and then presses the hydraulic sealing plate to move downwards; when the first oil hole is used as an oil return hole and the second oil hole is used as an oil inlet hole, hydraulic oil enters the lower cavity and then pushes the hydraulic sealing plate to move upwards.
4. The crawler device according to claim 1, wherein the hydraulic rod is composed of a fixed rod and a telescopic rod, the part of the hydraulic rod welded and fixed with the supporting plate is the fixed rod, the telescopic rod is arranged in the fixed rod, and when high-pressure oil of the hydraulic pump is input to the hydraulic rod through the oil pipe, the telescopic rod extends outwards to enable the hydraulic oil tank to be perpendicular to the ground.
5. The crawler apparatus of claim 1 wherein the hydraulic bar is connected to the hydraulic tank by a pin.
6. The crawler device according to claim 2, wherein a sealing ring is arranged between the round hole and the hydraulic tank body, so that the round hole is in sealing connection with the hydraulic tank body.
CN202321580955.XU 2023-06-20 2023-06-20 Crawler device capable of crossing step slope Active CN220147446U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321580955.XU CN220147446U (en) 2023-06-20 2023-06-20 Crawler device capable of crossing step slope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321580955.XU CN220147446U (en) 2023-06-20 2023-06-20 Crawler device capable of crossing step slope

Publications (1)

Publication Number Publication Date
CN220147446U true CN220147446U (en) 2023-12-08

Family

ID=89022202

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321580955.XU Active CN220147446U (en) 2023-06-20 2023-06-20 Crawler device capable of crossing step slope

Country Status (1)

Country Link
CN (1) CN220147446U (en)

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