CN219909122U - Steering system of low-power bulldozer - Google Patents
Steering system of low-power bulldozer Download PDFInfo
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- CN219909122U CN219909122U CN202320393826.3U CN202320393826U CN219909122U CN 219909122 U CN219909122 U CN 219909122U CN 202320393826 U CN202320393826 U CN 202320393826U CN 219909122 U CN219909122 U CN 219909122U
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- booster pump
- steering
- pump mechanism
- bulldozer
- push rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 230000004044 response Effects 0.000 claims abstract description 10
- 239000012530 fluid Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model relates to a steering system of a low-power bulldozer, which effectively solves the problems that the steering operation of the bulldozer is influenced by the fact that the existing bulldozer adopts a pure hydraulic control mode, the power loss of the steering system is large, the response speed of the steering is slow due to complicated operation mode. The steering system of the low-power bulldozer adopts two sets of independent steering systems for left steering and right steering of the steering machine through the arrangement of the first booster pump mechanism, the second booster pump mechanism, the brake oil pot and the air reservoir, the steering can be controlled by only pedaling through two pedals, the operation is convenient and labor-saving, the system is in an oil-air combined control mode through the brake oil pot and the air reservoir, the power consumed during steering can be reduced, the response time of steering is reduced, the response speed of steering is improved, and the bulldozer is more flexible during steering and has higher synchronism.
Description
Technical Field
The utility model belongs to the technical field of bulldozer steering systems, and particularly relates to a low-power bulldozer steering system.
Background
At present, the steering of the low-power bulldozer mainly adopts a hydraulic power cylinder to control the clutch, a connecting rod mechanism to control the brake, and simultaneously, the brake and the clutch are controlled to realize the steering; however, the existing bulldozer steering mode has the following defects: the operation is laborious, the hands and feet are needed to be used together, and the reaction is slow.
In China patent application publication No. CN213836792U, an energy-saving steering brake hydraulic system of a bulldozer is disclosed, which can reduce the energy loss of the system, reduce the heating value, lower the heat dissipation requirement of a transmission system and help to solve the problem of high transmission oil temperature; the whole machine can use more power and has stronger power; however, the system adopts a pure hydraulic control mode, the power loss is larger, the operation mode is more complicated and laborious, the response speed of steering is slower, and the steering operation of the bulldozer is influenced.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the steering system of the low-power bulldozer, which adopts two sets of independent steering systems, controls the two sets of steering systems through two pedals respectively, can control steering only by pedal, is convenient and labor-saving to operate, and adopts an oil and gas combined control mode through a brake oil pot and an air reservoir, so that the power consumed during steering can be reduced, the response time of steering is reduced, the response speed of steering is improved, and the bulldozer is more flexible and has higher synchronism during steering.
The utility model provides a low power bulldozer steering system, includes steering engine master cylinder, first helping hand pump mechanism and second helping hand pump mechanism, the steering engine master cylinder has the brake oilcan through the pipe connection, the inside of brake oilcan is provided with the brake fluid and has the flow distribution valve through the pipe connection, first helping hand pump mechanism and second helping hand pump mechanism all are connected with the flow distribution valve through the pipe, first helping hand pump mechanism and second helping hand pump mechanism all are connected with the gas receiver through the trachea.
Preferably, the steering engine master cylinder is connected with a pedal, the pedal is connected with the steering engine master cylinder through a response loop, and high-pressure gas is stored in the gas storage cylinder.
Preferably, the flow distribution valve is communicated with the first booster pump mechanism and the second booster pump mechanism through two pipelines, and the brake fluid in the brake oil pot can enter the first booster pump mechanism and the second booster pump mechanism through the flow distribution valve.
Preferably, the first booster pump mechanism comprises a first booster pump and a push rod ball head, the rod body part of the push rod ball head is penetrated inside the first booster pump, and the first booster pump is respectively communicated with the flow distribution valve and the air storage cylinder through pipelines and air pipes.
Preferably, the second booster pump mechanism comprises a second booster pump and a push rod U-shaped fork, a rod body part of the push rod U-shaped fork is arranged in the second booster pump in a penetrating mode, and the second booster pump is respectively communicated with the flow distribution valve and the air storage cylinder through pipelines and air pipes.
Preferably, the push rod ball head is connected with a clutch rocker arm outside one end far away from the first booster pump, and one end of the push rod U-shaped fork far away from the second booster pump is connected with a brake rocker arm outside the second booster pump.
The technical scheme has the beneficial effects that:
the steering system of the low-power bulldozer adopts two sets of independent steering systems for left steering and right steering of the steering machine through the arrangement of the first booster pump mechanism, the second booster pump mechanism, the brake oil pot and the air reservoir, the steering can be controlled by only pedaling through two pedals, the operation is convenient and labor-saving, the system is in an oil-air combined control mode through the brake oil pot and the air reservoir, the power consumed during steering can be reduced, the response time of steering is reduced, the response speed of steering is improved, and the bulldozer is more flexible during steering and has higher synchronism.
Drawings
FIG. 1 is a schematic diagram of the present utility model.
In the figure: 1. steering engine master cylinder; 2. a brake oilcan; 3. a flow distribution valve; 4. an air cylinder; 5. a first booster pump; 6. a push rod ball head; 7. a second booster pump; 8. push rod U-shaped fork.
Detailed Description
The foregoing and other features, aspects and advantages of the present utility model will become more apparent from the following detailed description of embodiments of the utility model with reference to the accompanying drawings.
The embodiment provides a low-power bulldozer steering system, as shown in the accompanying drawing, including steering engine master cylinder 1, first booster pump mechanism and second booster pump mechanism, steering engine master cylinder 1 has brake oil pot 2 through the pipe connection, the inside of brake oil pot 2 is provided with brake fluid and has flow distribution valve 3 through the pipe connection, first booster pump mechanism and second booster pump mechanism all are connected with flow distribution valve 3 through the pipe, first booster pump mechanism and second booster pump mechanism all have gas receiver 4 through the trachea connection, first booster pump mechanism includes first booster pump 5 and push rod bulb 6, the body of rod position of push rod bulb 6 wears to establish in first booster pump 5 inside, first booster pump 5 passes through the pipe and the pneumatic tube communicates with flow distribution valve 3 and gas receiver 4 respectively, second booster pump mechanism includes second booster pump 7 and push rod U type fork 8, the body of push rod U type fork 8 wears to establish in the inside of second booster pump 7, second booster pump 7 passes through the pipe and communicates with flow distribution valve 3 and gas receiver 4 respectively, first booster pump 5 keep away from first booster pump 5 and the outside of first booster pump 5 and the pneumatic tube coupling valve 3, but the valve is connected with first booster pump 1 is connected to one end of a pedal mechanism, the pedal pump is left to the pedal plate 1 through to the high-pressure side of pedal pump, the pedal pump is connected with the first booster pump 3, the pedal pump is connected with the brake fluid pump master cylinder 4.
In summary, the steering system of the low-power bulldozer comprises the following steps:
1. the steering engine master pump 1 is controlled by stepping on a pedal, brake fluid can flow through the flow distribution valve 3 from the brake oiler 2, and the brake fluid can flow to the first booster pump 5 and the second booster pump 7 simultaneously under the action of the flow distribution valve 3;
2. the pressure of the brake fluid can open valves on the first booster pump 5 and the second booster pump 7, so that high-pressure gas in the air reservoir 4 can enter the first booster pump 5 and the second booster pump 7 through air pipes, and the first booster pump 5 and the second booster pump 7 are driven to respectively push the push rod ball head 6 and the push rod U-shaped fork outwards;
3. the push rod ball head 6 on the first booster pump 5 stretches out to jack up an external clutch rocker arm so as to open the clutch of the steering gear, the push rod U-shaped fork 8 on the second booster pump 7 stretches out to push an external brake rocker arm so as to realize braking, and the first booster pump 5 and the second booster pump 7 work simultaneously so that the clutch separation and the final braking are carried out simultaneously, thereby realizing steering of the bulldozer;
4. the left steering and the right steering of the bulldozer respectively adopt two sets of steering systems, the steering mode of the bulldozer is represented by two pedals in a cab of the bulldozer, and the steering of the bulldozer can be controlled by stepping on the two pedals.
The above description is only for the purpose of illustrating the utility model, and it should be understood that the utility model is not limited to the above embodiments, but various modifications consistent with the idea of the utility model are within the scope of the utility model.
Claims (6)
1. The utility model provides a low power bulldozer steering system, includes steering engine master cylinder (1), first booster pump mechanism and second booster pump mechanism, its characterized in that: the steering engine master cylinder (1) is connected with a brake oil pot (2) through a pipeline, brake liquid is arranged in the brake oil pot (2) and is connected with a flow distribution valve (3) through a pipeline, the first booster pump mechanism and the second booster pump mechanism are connected with the flow distribution valve (3) through pipelines, and the first booster pump mechanism and the second booster pump mechanism are connected with an air storage cylinder (4) through air pipes.
2. A low power bulldozer steering system according to claim 1, in which: the steering engine master pump (1) is connected with a pedal, the pedal is connected with the steering engine master pump (1) through a response loop, and high-pressure gas is stored in the gas storage cylinder (4).
3. A low power bulldozer steering system according to claim 1, in which: the flow distribution valve (3) is communicated with the first booster pump mechanism and the second booster pump mechanism through two pipelines, and brake fluid in the brake oil pot (2) can enter the first booster pump mechanism and the second booster pump mechanism through the flow distribution valve (3).
4. A low power bulldozer steering system according to claim 1, in which: the first booster pump mechanism comprises a first booster pump (5) and a push rod ball head (6), the rod body part of the push rod ball head (6) is penetrated inside the first booster pump (5), and the first booster pump (5) is respectively communicated with the flow distribution valve (3) and the air storage cylinder (4) through pipelines and air pipes.
5. A low power bulldozer steering system according to claim 4, in which: the second booster pump mechanism comprises a second booster pump (7) and a push rod U-shaped fork (8), a rod body part of the push rod U-shaped fork (8) is arranged in the second booster pump (7) in a penetrating mode, and the second booster pump (7) is respectively communicated with the flow distribution valve (3) and the air storage cylinder (4) through pipelines and air pipes.
6. A low power bulldozer steering system according to claim 5, in which: the push rod ball head (6) is connected with a clutch rocker arm outside one end far away from the first booster pump (5), and one end far away from the second booster pump (7) of the push rod U-shaped fork (8) is connected with an external brake rocker arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320393826.3U CN219909122U (en) | 2023-03-06 | 2023-03-06 | Steering system of low-power bulldozer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320393826.3U CN219909122U (en) | 2023-03-06 | 2023-03-06 | Steering system of low-power bulldozer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219909122U true CN219909122U (en) | 2023-10-27 |
Family
ID=88422284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320393826.3U Active CN219909122U (en) | 2023-03-06 | 2023-03-06 | Steering system of low-power bulldozer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219909122U (en) |
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2023
- 2023-03-06 CN CN202320393826.3U patent/CN219909122U/en active Active
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