CN220890626U - Hydraulic device for solving differential force of double-head locomotive multi-wheel vehicle - Google Patents
Hydraulic device for solving differential force of double-head locomotive multi-wheel vehicle Download PDFInfo
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- CN220890626U CN220890626U CN202322742582.8U CN202322742582U CN220890626U CN 220890626 U CN220890626 U CN 220890626U CN 202322742582 U CN202322742582 U CN 202322742582U CN 220890626 U CN220890626 U CN 220890626U
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- 230000003137 locomotive effect Effects 0.000 title claims abstract description 22
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 230000002457 bidirectional effect Effects 0.000 claims description 3
- 230000005641 tunneling Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a hydraulic device for solving differential force of a multi-wheel vehicle of a double-head locomotive, which belongs to the technical field of hydraulic systems and comprises a hydraulic pump, a primary flow dividing and collecting valve, a first secondary flow dividing and collecting valve, a second secondary flow dividing and collecting valve, a first hydraulic motor, a second hydraulic motor, a third hydraulic motor and a fourth hydraulic motor.
Description
Technical Field
The utility model belongs to the technical field of hydraulic systems, and particularly relates to a hydraulic device for solving differential force of a double-head locomotive multi-wheel vehicle.
Background
TBM is used for long-distance downhill tunneling, the TBM is a tunneling machine and is divided into an open tunneling machine and a shield tunneling machine, the material transportation capability requirement of the TBM is high, DCY30 multi-wheel double-head locomotives are used for transporting materials, rated load capacity is 30T, a DCY30 multifunctional transport vehicle hydraulic system is divided into a traveling hydraulic system, a steering hydraulic system, a suspension hydraulic system, an emergency hydraulic system, a braking system, an auxiliary system and a buffer hydraulic system, and the traveling driving system adopts a hydraulic pump to respectively drive four hydraulic motors in parallel.
Aiming at the large gradient of a construction site, a small amount of accumulated water and stone powder pavement conditions exist at the same time, and when a vehicle climbs a slope, a driving wheel frequently slips, so that the climbing is difficult, and the use is influenced. In order to meet the requirements of long-distance and heavy-gradient material transportation after TBM in the engineering, a hydraulic device easy to solve the differential force of a double-head locomotive multi-wheel vehicle must be designed, so that each motor normally provides driving force, and the vehicle is free from being trapped and normally runs.
Disclosure of utility model
The technical problem to be solved by the utility model is to overcome the defects of the prior art, and provide a hydraulic device for solving the differential force of a double-head locomotive multi-wheel vehicle, which can ensure that four hydraulic motors can obtain balanced hydraulic driving force.
The technical scheme adopted for solving the technical problems is as follows: the hydraulic device comprises a hydraulic pump, a flow dividing and collecting valve assembly, a first hydraulic motor, a second hydraulic motor, a third hydraulic motor and a fourth hydraulic motor, wherein the inlet end of the hydraulic pump is communicated with the outlet end of the hydraulic oil tank, the outlet end of the hydraulic pump is communicated with the inlet end of the flow dividing and collecting valve assembly through a hydraulic passage, the outlet end of the flow dividing and collecting valve assembly is respectively communicated with the inlet ends of the first hydraulic motor, the second hydraulic motor, the third hydraulic motor and the fourth hydraulic motor through hydraulic passages, and the first hydraulic motor, the second hydraulic motor, the third hydraulic motor and the fourth hydraulic motor are respectively connected with each driving wheel of the double-head locomotive.
Further, the flow dividing and collecting valve assembly comprises a first secondary flow dividing and collecting valve, a second secondary flow dividing and collecting valve and a first primary flow dividing and collecting valve, the outlet end of the hydraulic pump is communicated with the inlet end of the first primary flow dividing and collecting valve through a hydraulic passage, the outlet end of the first primary flow dividing and collecting valve is respectively communicated with the inlet ends of the first secondary flow dividing and collecting valve and the second secondary flow dividing and collecting valve through a hydraulic passage, the outlet end of the first secondary flow dividing and collecting valve is communicated with the inlet ends of the first hydraulic motor and the second hydraulic motor through a hydraulic passage, and the outlet end of the second secondary flow dividing and collecting valve is communicated with the inlet ends of the third hydraulic motor and the fourth hydraulic motor through a hydraulic passage.
Further, the model of the primary flow dividing and collecting valve is INT-FD-H2-2A20-E010-42B-624-000.
Further, the types of the first secondary flow dividing and collecting valve and the second secondary flow dividing and collecting valve are INT-FD-M2-1A06-E006-38B-323-DF.
Further, the hydraulic pump is a bidirectional variable hydraulic pump.
The beneficial effects of the utility model are as follows: (1) The utility model adopts forced average distribution to flow the flow of the hydraulic pump into the first second-grade flow distribution and collection valve and the second-grade flow distribution and collection valve through the first second-grade flow distribution and collection valve, and the flow of the first second-grade flow distribution and collection valve enters the first hydraulic motor and the second hydraulic motor, and the flow of the second-grade flow distribution and collection valve enters the third hydraulic motor and the fourth hydraulic motor, so that the four hydraulic motors can obtain balanced hydraulic driving force, the same rotating speed of the hydraulic motors is ensured, the rotating speeds of driving wheels are driven, the differential force of the multi-wheel vehicles of the double-head locomotive is solved, even if a certain hydraulic motor is driven by slipping loss caused by road surface problems, the other hydraulic motors still can normally provide driving force, the vehicles get rid of the trouble and normally run, the free distribution of driving force is realized in the running of heavy-grade heavy-duty ascending and descending slopes and R50 turning radius, the DCY30 multi-wheel double-head locomotives can smoothly pass in the transportation process of TBM heavy-grade slopes, the requirement of the TBM heavy-grade construction is realized, and the prefabricated overhead arch block road is not needed for the construction is saved.
(2) Compared with a closed hydraulic system with four hydraulic pumps and four hydraulic motors, the utility model is more economical, greatly reduces the cost and is convenient for the installation and layout of multi-wheel drive.
Drawings
FIG. 1 is a schematic diagram of one embodiment of a hydraulic device for resolving differential forces in a two-head locomotive multi-wheel vehicle according to the present utility model.
Reference numerals: 1. a hydraulic pump; 2. a first hydraulic motor; 3. a second hydraulic motor; 4. a first secondary flow dividing and collecting valve; 5. a second-stage flow dividing and collecting valve; 6. a third hydraulic motor; 7. a fourth hydraulic motor; 8. a primary flow dividing and collecting valve; 9. and a hydraulic oil tank.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1, the hydraulic device for resolving differential forces of a multi-wheeled vehicle of a double-ended locomotive of the present embodiment includes a hydraulic pump 1, a split-flow valve assembly, a first hydraulic motor 2, a second hydraulic motor 3, a third hydraulic motor 6, a fourth hydraulic motor 7.
The inlet end of the hydraulic pump 1 is communicated with the outlet end of the hydraulic oil tank 9, and the hydraulic pump 1 is a bidirectional variable hydraulic pump. The outlet end of the hydraulic pump 1 is communicated with the inlet end of the flow dividing and collecting valve assembly through a hydraulic passage, the outlet end of the flow dividing and collecting valve assembly is respectively communicated with the inlet ends of the first hydraulic motor 2, the second hydraulic motor 3, the third hydraulic motor 6 and the fourth hydraulic motor 7 through the hydraulic passage, the first hydraulic motor 2, the second hydraulic motor 3, the third hydraulic motor 6 and the fourth hydraulic motor 7 are respectively connected with each driving wheel of the double-head locomotive, and each driving wheel is driven to rotate through the hydraulic motor.
The flow dividing and collecting valve assembly comprises a first secondary flow dividing and collecting valve 4, a second secondary flow dividing and collecting valve 5 and a first-stage flow dividing and collecting valve 8, wherein the outlet end of the hydraulic pump 1 is communicated with the inlet end of the first-stage flow dividing and collecting valve 8 through a hydraulic passage, the model of the first-stage flow dividing and collecting valve 8 is INT-FD-H2-2A20-E010-42B-624-000, the outlet end of the first-stage flow dividing and collecting valve 8 is respectively communicated with the inlet ends of the first secondary flow dividing and collecting valve 4 and the second secondary flow dividing and collecting valve 5 through hydraulic passages, the model of the first secondary flow dividing and collecting valve 4 and the second secondary flow dividing and collecting valve 5 is INT-FD-M2-1A06-E006-38B-323-DF, and the outlet end of the first secondary flow dividing and collecting valve 4 is communicated with the inlet ends of the first hydraulic motor 2 and the second hydraulic motor 3 through hydraulic passages. The outlet end of the second-stage flow dividing and combining valve 5 is communicated with the inlet ends of the third hydraulic motor 6 and the fourth hydraulic motor 7 through hydraulic passages.
The working principle of the embodiment is as follows: when the road surface state is good, a parallel connection mode of a hydraulic pump and four hydraulic motors is still adopted, when the driving wheels of a double-head locomotive or the road surface state is bad are slipped, the hydraulic pump is switched to a forced diversion mode, the flow of the hydraulic pump 1 is forced to flow into the first secondary diversion and collection valve 4 and the second secondary diversion and collection valve 5 through the primary diversion and collection valve 8, the flow of the hydraulic pump enters the first hydraulic motor 2 and the second hydraulic motor 3 through the first secondary diversion and collection valve 4, and the flow of the hydraulic pump enters the third hydraulic motor 6 and the fourth hydraulic motor 7 through the second secondary diversion and collection valve 5, namely: the flow of the hydraulic pump 1 is divided into two and four, so that four hydraulic motors can obtain balanced hydraulic driving force, the rotation speeds of the hydraulic motors are guaranteed to be the same, the rotation speeds of driving wheels are the same, differential force of a multi-wheel vehicle of a double-end locomotive is solved, even if a certain hydraulic motor is caused to slip and lose driving due to road surface problems, other hydraulic motors still can normally provide driving force, the vehicle is free from being trapped, and the vehicle can normally run, so that the DCY30 multi-wheel double-end locomotive can smoothly pass in the transportation process of a TBM heavy negative slope ramp.
The foregoing description is only of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model.
Claims (5)
1. A hydraulic means for solving differential force of double-end locomotive multi-wheel vehicle, its characterized in that: the hydraulic device comprises a hydraulic pump (1), a flow dividing and collecting valve assembly, a first hydraulic motor (2), a second hydraulic motor (3), a third hydraulic motor (6) and a fourth hydraulic motor (7), wherein the inlet end of the hydraulic pump (1) is mutually communicated with the outlet end of a hydraulic oil tank (9), the outlet end of the hydraulic pump (1) is mutually communicated with the inlet end of the flow dividing and collecting valve assembly through a hydraulic passage, the outlet end of the flow dividing and collecting valve assembly is respectively communicated with the inlet ends of the first hydraulic motor (2), the second hydraulic motor (3), the third hydraulic motor (6) and the fourth hydraulic motor (7) through hydraulic passages, and the first hydraulic motor (2), the second hydraulic motor (3), the third hydraulic motor (6) and the fourth hydraulic motor (7) are respectively connected with each driving wheel of the double-head locomotive.
2. The hydraulic device for resolving differential forces of a two-head locomotive multi-wheel vehicle of claim 1, wherein: the flow distribution and collection valve assembly comprises a first secondary flow distribution and collection valve (4), a second secondary flow distribution and collection valve (5) and a first-stage flow distribution and collection valve (8), wherein the outlet end of the hydraulic pump (1) is communicated with the inlet end of the first-stage flow distribution and collection valve (8) through a hydraulic passage, the outlet end of the first-stage flow distribution and collection valve (8) is respectively communicated with the inlet ends of the first secondary flow distribution and collection valve (4) and the second secondary flow distribution and collection valve (5) through a hydraulic passage, the outlet end of the first secondary flow distribution and collection valve (4) is communicated with the inlet ends of the first hydraulic motor (2) and the second hydraulic motor (3) through a hydraulic passage, and the outlet end of the second secondary flow distribution and collection valve (5) is communicated with the inlet ends of the third hydraulic motor (6) and the fourth hydraulic motor (7) through a hydraulic passage.
3. The hydraulic device for resolving differential forces of a two-head locomotive multi-wheel vehicle of claim 2, wherein: the model of the primary flow dividing and collecting valve (8) is INT-FD-H2-2A20-E010-42B-624-000.
4. The hydraulic device for resolving differential forces of a two-head locomotive multi-wheel vehicle of claim 2, wherein: the model of the first secondary flow dividing and collecting valve (4) and the second secondary flow dividing and collecting valve (5) is INT-FD-M2-1A06-E006-38B-323-DF.
5. The hydraulic device for resolving differential forces of a two-head locomotive multi-wheel vehicle of claim 1, wherein: the hydraulic pump (1) is a bidirectional variable hydraulic pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322742582.8U CN220890626U (en) | 2023-10-12 | 2023-10-12 | Hydraulic device for solving differential force of double-head locomotive multi-wheel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322742582.8U CN220890626U (en) | 2023-10-12 | 2023-10-12 | Hydraulic device for solving differential force of double-head locomotive multi-wheel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890626U true CN220890626U (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322742582.8U Active CN220890626U (en) | 2023-10-12 | 2023-10-12 | Hydraulic device for solving differential force of double-head locomotive multi-wheel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890626U (en) |
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2023
- 2023-10-12 CN CN202322742582.8U patent/CN220890626U/en active Active
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