CN220890623U - High-low pressure power station - Google Patents
High-low pressure power station Download PDFInfo
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- CN220890623U CN220890623U CN202322585526.8U CN202322585526U CN220890623U CN 220890623 U CN220890623 U CN 220890623U CN 202322585526 U CN202322585526 U CN 202322585526U CN 220890623 U CN220890623 U CN 220890623U
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- 230000017525 heat dissipation Effects 0.000 claims description 16
- 239000003921 oil Substances 0.000 description 106
- 230000009977 dual effect Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a high-low pressure power station, which comprises a low-pressure component, a high-pressure component, an engine, an oil return pipe and a high-level oil tank, wherein the low-pressure component is connected with the engine; the low-pressure assembly comprises a double-output shaft hydraulic pump, a low-pressure oil inlet pipe and a low-pressure output control valve; one end of the double-output-shaft hydraulic pump is connected with the engine through a coupler and the high-level oil tank through a low-pressure oil inlet pipe, the low-pressure output control valve is connected with the high-level oil tank through an oil return pipe, and whether low-pressure output is performed or not is controlled through the low-pressure output control valve; the high-pressure assembly comprises a high-pressure oil tank, a fixed block with an oil duct arranged inside, a high-pressure oil inlet pipe, a high-pressure end oil return pipe, a high-pressure output control valve and an eccentric shaft, and the high-pressure oil tank is connected with the double-output shaft hydraulic pump through the fixed block. One end of the hydraulic pump with double output shafts is connected with the engine through the coupler, and the other end of the hydraulic pump with double output shafts is connected with the engine through the deflection shaft, so that different pressure outputs are realized, and different use requirements can be met.
Description
Technical Field
The utility model relates to the technical field of hydraulic power sources, in particular to a high-low pressure power station.
Background
The working principle of the hydraulic power station is that an oil pump is driven by a motor (engine) to rotate, the oil pump sucks oil from an oil tank and then pumps the oil, mechanical energy is converted into pressure energy of hydraulic oil, the hydraulic oil is transmitted to an oil cylinder or an oil motor of a hydraulic machine through an external pipeline after direction, pressure and flow regulation by a hydraulic valve through an integrated block (or a valve combination), and therefore the direction change, the strength and the speed of the hydraulic machine are controlled, and various hydraulic machines are driven to work.
With the development of technology, the variety of hydraulically driven tools is also increasing, and the tools are switched to be used on tools with different flow pressure requirements. The existing power station can only drive a high-flow low-pressure tool or only drive a high-pressure tool, or has large overall size and is inconvenient to move, and therefore, the high-low-pressure power station is provided.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: how to solve the problems that the power station can only drive a large-flow low-pressure tool or can only drive a high-pressure tool, and the whole volume is large and inconvenient to move, and the high-low-pressure power station is provided.
The utility model solves the technical problems through the following technical scheme that the utility model comprises a low-pressure component, a high-pressure component, an engine, an oil return pipe and a high-level oil tank; the low-pressure assembly comprises a double-output shaft hydraulic pump, a low-pressure oil inlet pipe and a low-pressure output control valve; one end of the double-output-shaft hydraulic pump is connected with the engine through a coupler and the high-level oil tank through a low-pressure oil inlet pipe, the low-pressure output control valve is connected with the high-level oil tank through an oil return pipe, and whether low-pressure output is performed or not is controlled through the low-pressure output control valve; the high-pressure assembly comprises a high-pressure oil tank, a fixed block with an oil duct arranged therein, a high-pressure oil inlet pipe, a high-pressure end oil return pipe, a high-pressure output control valve and an eccentric shaft, wherein the high-pressure oil tank is connected with the double-output shaft hydraulic pump through the fixed block, one end of the eccentric shaft is rotationally connected with the fixed block and is connected with the other end of the double-output shaft hydraulic pump, the other end of the eccentric shaft is positioned in the high-pressure oil tank, the high-pressure oil tank is connected with the high-position oil tank through the high-pressure oil inlet pipe, the high-pressure output control valve is connected with the fixed block and is connected with the low-pressure output control valve through the high-pressure end oil return pipe, and whether high-pressure output is performed or not is controlled.
Preferably, the high-pressure assembly further comprises a plurality of first plunger pairs and second plunger pairs; the plurality of first plunger pairs and second plunger pairs are arranged on the fixed block and are communicated with the oil duct arranged in the fixed block, and the output pressure of the second plunger pairs is greater than that of the first plunger pairs.
Preferably, the high pressure assembly further includes a switching valve mounted on the fixed block, the switching valve controlling the simultaneous output of the plurality of first and second plunger pairs or the separate output of the second high pressure plunger pair by the circuit pressure.
Preferably, the low-pressure output control valve and the high-pressure output control valve are both provided with connecting joints, and are connected with an external tool through the connecting joints.
Preferably, the high-low pressure power station further comprises a heat dissipation assembly, the heat dissipation assembly comprises a fan and a heat dissipation plate, the fan is sleeved outside the double-output shaft hydraulic pump, the heat dissipation plate is connected with the fan, and the oil return pipe penetrates through the heat dissipation plate.
Preferably, the high-low pressure power station further comprises a filter, and the filter is arranged in the high-level oil tank.
Preferably, the high-low pressure power station further comprises an outer frame, and the double-output-shaft hydraulic pump, the hydraulic assembly, the engine and the high-level oil tank are all arranged inside the outer frame.
Preferably, the high-low pressure power station further comprises a bottom plate, the bottom plate is fixedly connected with the outer frame, and the engine and the double-output shaft hydraulic pump are connected to the bottom plate.
Preferably, the high-low pressure power station further comprises wheels, and the wheels are arranged at the lower end of the outer frame.
Preferably, the high-low pressure power station further comprises a push-pull handrail, and the push-pull handrail is arranged at the front end of the outer frame and used for being matched with wheels to move the equipment more conveniently.
Compared with the prior art, the utility model has the following advantages: one end of the hydraulic pump with double output shafts is connected with the engine through a coupler, and the other end of the hydraulic pump with double output shafts is connected with the engine through a deflection shaft, so that different pressure outputs are realized, and different use requirements can be met.
Drawings
FIG. 1 is a schematic view of the overall structure of a high and low pressure power station of the present utility model;
FIG. 2 is a schematic view of a partial structure of a high and low pressure power station of the present utility model;
FIG. 3 is a schematic view (exploded view) of a part of the high voltage assembly of the present utility model;
fig. 4 is a hydraulic schematic of the high and low pressure power station of the present utility model.
In the figure: 11. an outer frame; 12. an engine; 13. a high-level oil tank; 14. a wheel; 15. a heat dissipation plate; 16. a low pressure output control valve; 161. a low pressure output connection; 162. a low pressure return connection; 163. a first control handle; 17. a bottom plate; 18. a blower; 19. a dual output shaft hydraulic pump; 110. push-pull armrests; 111. a high voltage component; 112. low pressure oil inlet pipe; 113. an oil return pipe; 21. a fixed block; 22. a high-pressure oil tank; 23. high-pressure oil inlet pipe; 24. a high pressure output control valve; 241. a second control handle; 25. a high-pressure end oil return pipe; 26. an eccentric shaft; 27. single tube double plug connector; 28. a switching valve; 29. a low pressure plunger pair; 210. high pressure plunger pair 210.
Detailed Description
The following describes in detail the examples of the present utility model, which are implemented on the premise of the technical solution of the present utility model, and detailed embodiments and specific operation procedures are given, but the scope of protection of the present utility model is not limited to the following examples.
As shown in fig. 1 to 3, the high-low pressure power station in this embodiment is formed by a bottom plate 17, an outer frame 11, wheels 14, a high-pressure assembly 111 and a low-pressure assembly, and has 2 loop outputs, one low-pressure end output (controlled by a low-pressure output control valve 16) and one high-pressure end output (controlled by a high-pressure output control valve 24), the low-pressure end realizes low-pressure tool driving through a first control handle 163 on the low-pressure output control valve 16, and the high-pressure end drives the high-pressure tool through a second control handle 241 on the high-pressure output control valve 24, so that a multi-purpose function is achieved.
In this embodiment, the engine 12 is fixedly connected with the bottom plate 17 through a bolt, the output shaft of the engine 12 is connected with the dual output shaft hydraulic pump 19 through a coupling, the dual output shaft hydraulic pump 19 is directly driven to rotate, the dual output shaft hydraulic pump 19 absorbs oil from the high-level oil tank 13 through the low-pressure oil inlet pipe 112, the other end of the dual output shaft hydraulic pump 19 passes through the low-pressure output control valve 16 to realize low-pressure output, as shown in fig. 3, an eccentric shaft 24 at the rear end of the dual output shaft hydraulic pump 19 is positioned with a fixed block 21 through a bolt, the volume change of a plunger pair is realized through the eccentric shaft 24, and high-pressure high-flow/low-flow output (the low-pressure high-flow output smaller than the set switching valve pressure and the high-pressure low-flow output larger than the set switching valve pressure high-flow output) is realized, and the "low pressure" and "high pressure" refer to the relative high and low in the high-pressure output).
In the present embodiment, the low pressure assembly includes a dual output shaft hydraulic pump 19, a low pressure oil inlet pipe 113, a low pressure output control valve 16; the low-pressure output control valve 16 is provided with a low-pressure output joint 161, a low-pressure return joint 162 and a first control handle 163; the double-output shaft hydraulic pump 19 is used for absorbing oil through rotation under the action of the engine 12, and the pressure and direction conversion is completed through the low-pressure output control valve 16 so as to realize internal circulation or return oil from an external tool to the high-level oil tank 13.
In the present embodiment, the high pressure assembly 111 includes a fixed block 21 (an oil passage is provided therein), a high pressure oil tank 22, a high pressure oil inlet pipe 23, an eccentric shaft 26, a plurality of low pressure plunger pairs 29, a high pressure plunger pair 210, a high pressure end oil return pipe 25, and a high pressure output control valve 24; the high-pressure oil tank 22 is connected with the double-output shaft hydraulic pump 19 through the fixed block 21, one end of the eccentric shaft 26 is rotatably connected with the fixed block 21 through a bearing and is connected with one end of the double-output shaft hydraulic pump 19, the other end of the eccentric shaft is positioned in the high-pressure oil tank 22, the high-pressure end oil return pipe 25 is connected with the low-pressure output control valve 16, the high-pressure oil tank 22 is connected with the high-level oil tank 13 through the high-pressure oil inlet pipe 23, a plurality of low-pressure plunger pairs 29 and high-pressure plunger pairs 210 are arranged on the fixed block 21 and communicated with an oil duct arranged in the fixed block 21, and the high-pressure output control valve 24 is arranged on the fixed block 21 and communicated with the oil duct arranged in the fixed block; the eccentric shaft 26 is driven to rotate by the double-output shaft hydraulic pump 19, and the three low-pressure plunger pairs 29 and one high-pressure plunger pair 210 finish the actions of oil suction and oil pressing under the action of the eccentric shaft and output through the high-pressure output control valve 24.
In the present embodiment, the space between the high-pressure oil tank 22 and the double-output shaft hydraulic pump 19 is sealed by an O-ring, and the high-pressure oil tank is connected to the fixed block 21 by bolts and sealed by an O-ring.
In the present embodiment, the high-pressure output control valve 24 is provided with a second control handle for controlling whether or not to perform high-pressure output.
In the present embodiment, the high-pressure assembly 111 further includes a switching valve 28, the switching valve 28 being installed in the fixed block 21, the switching valve 28 being used to control the plurality of low-pressure plunger pairs 29 to be output simultaneously with the high-pressure plunger pair 210 (low-pressure large-flow operation mode in high-pressure output) or the high-pressure plunger pair 210 to be output alone (small-flow operation mode in high-pressure output) by the circuit pressure.
In this embodiment, the high-low pressure power station further includes a fan 18, where the fan 18 is sleeved outside the dual output shaft hydraulic pump 19 and is used to cooperate with the heat dissipation plate 15 to actively dissipate heat of the oil return pipe 113, so as to form a heat dissipation system.
In this embodiment, the high-low pressure power station further includes an outer frame 11, and the dual output shaft hydraulic pump 19, the high-pressure assembly 111, the engine 12, and the high-level oil tank 13 are all disposed inside the outer frame 11.
In this embodiment, the high-low pressure power station further includes a bottom plate 17, the bottom plate 17 is fixedly connected with the outer frame 11, and the engine 12 and the dual-output shaft hydraulic pump are connected to the bottom plate.
In this embodiment, the high-low pressure power station further includes a filter built in the high-level tank 13.
In this embodiment, the high-low voltage power station further includes wheels 14 and a push-pull handrail 110, the push-pull handrail 110 is disposed at the front end of the outer frame 11, the wheels 14 are disposed at the lower end of the outer frame 11, and the push-pull handrail 110 is matched with the wheels 14 to move the whole device more conveniently.
In this embodiment, the "high pressure" and "low pressure" in the low pressure plunger pair 29 and the high pressure plunger pair 210 are only the relative high and low pressure in the high pressure output, that is, the outputs of the low pressure plunger pair 29 and the high pressure plunger pair 210 are both high pressure output, which is higher than the pressure output by the low pressure output connector 161.
As shown in fig. 4, the left low-pressure circuit double-output shaft hydraulic pump 19 is connected with the engine 12 through a coupling, the double-output shaft hydraulic pump 19 absorbs oil from the high-level oil tank 13 through the low-pressure output control valve 16 to realize internal oil return or an external tool returns to the high-level oil tank 13 through the heat dissipation plate 15 and a filter (built-in high-level oil tank 13), when the low-pressure circuit double-output shaft hydraulic pump is operated, a quick connector male (low-pressure output connector 161) and a quick connector female (low-pressure oil return connector 162) of the low-pressure output control valve 16 are connected with the external tool, oil in the high-level oil tank 13 enters the double-output shaft hydraulic pump 19 through the low-pressure oil inlet pipe 112, then is output to the external tool through the low-pressure output connector 161 on the low-pressure output control valve 16, the returned oil returns to the high-level oil tank 13 through the low-pressure oil return connector 162 from the oil return pipe 113 through the low-pressure output control valve 16, a first control handle 163 on the low-pressure output control valve 16 is used for controlling whether low-pressure output is performed or not, when the low-pressure output is closed, the high-level oil tank 13 enters the double-output hydraulic pump 19 through the low-pressure oil inlet pipe 112 and does not output outwards, and returns to the high-level oil tank 13 through the low-pressure output control valve 113 when the low-pressure output is finished; three groups of high-flow plunger pairs (low-pressure plunger pair 9) and one group of low-flow plunger pairs (high-pressure plunger pair 210) are arranged in the high-pressure circuit on the right, when the pressure is smaller than the pressure set by the switching valve 28, the flow produced by the 4 groups is fed back to the heat dissipation plate 15 and the filter return high-level oil tank 13 through an internal oil path and the high-pressure output control valve 24, when the pressure in the circuit is larger than the pressure set by the switching valve 24, the high-pressure oil produced by the low-flow plunger pairs acts on the oil cylinder of the switching valve 28, the three groups of high-flow plunger pairs are fed back to the inside of the high-pressure oil tank 22 through the overflow valve, and simultaneously the internal oil return or the external tool is fed back to the heat dissipation plate 15 and the filter return high-level oil tank 13 through the high-pressure output control valve 24, the single-tube double-plug connector 27 (an integrated connector of high-pressure oil output by the inner ring and low-pressure oil returned by the outer ring) on the high-pressure output control valve 24 is connected with an external tool, oil in the high-level oil tank 13 enters the high-pressure oil tank 22 through the high-pressure oil inlet pipe 23, the oil pressure in the high-pressure oil tank 22 is changed through the rotation action of the eccentric shaft 26, then the oil is output to the external tool through the inner ring of the single-tube double-plug connector 27 through three groups of large-flow plunger pairs and a group of small-flow plunger pairs and the oil duct and the high-pressure output control valve 24 (high-flow high-pressure) in the fixed block 21, returns from the outer ring of the single-tube double-plug connector 27, returns from the oil duct and the high-pressure output control valve 24 in the fixed block 21, the high-pressure end oil return pipe 25 and the low-pressure output control valve 16 (low-pressure output is cut off here) from the oil return pipe 113 to the high-level oil tank 13, or the oil is singly output to an external tool through the inner ring of the single-pipe double-plug connector 27 by a group of small-flow plunger pairs and the high-pressure output control valve 24 (small-flow high-pressure), returns from the outer ring of the single-pipe double-plug connector 27, and returns to the high-position oil tank 13 from the oil return pipe 113 through the oil duct in the fixed block 21, the high-pressure output control valve 24, the high-pressure end oil return pipe 25 and the low-pressure output control valve 16 (low-pressure output is turned off here); when the high-pressure output is closed after the work is finished, the oil in the high-level oil tank 13 returns to the high-level oil tank 13 from the oil return pipe 113 through the high-pressure output control valve 24, the high-pressure end oil return pipe 25 and the low-pressure output control valve 16 (the low-pressure output is closed here) and is not output outwards; the second control handle 241 on the high pressure output control valve 24 is used to control whether the high pressure output is performed.
In summary, according to the high-low pressure power station, one end of the hydraulic pump with the double output shafts is connected with the engine through the coupler, and the other end of the hydraulic pump is connected with the deflection shaft, so that different pressure outputs are realized, and different use requirements can be met.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.
Claims (10)
1. A high and low voltage power station, characterized by: the device comprises a low-pressure component, a high-pressure component, an engine, an oil return pipe and a high-level oil tank; the low-pressure assembly comprises a double-output shaft hydraulic pump, a low-pressure oil inlet pipe and a low-pressure output control valve; one end of the double-output-shaft hydraulic pump is connected with the engine through a coupler and the high-level oil tank through a low-pressure oil inlet pipe, the low-pressure output control valve is connected with the high-level oil tank through an oil return pipe, and whether low-pressure output is performed or not is controlled through the low-pressure output control valve; the high-pressure assembly comprises a high-pressure oil tank, a fixed block with an oil duct arranged therein, a high-pressure oil inlet pipe, a high-pressure end oil return pipe, a high-pressure output control valve and an eccentric shaft, wherein the high-pressure oil tank is connected with the double-output shaft hydraulic pump through the fixed block, one end of the eccentric shaft is rotationally connected with the fixed block and is connected with the other end of the double-output shaft hydraulic pump, the other end of the eccentric shaft is positioned in the high-pressure oil tank, the high-pressure oil tank is connected with the high-position oil tank through the high-pressure oil inlet pipe, the high-pressure output control valve is connected with the fixed block and is connected with the low-pressure output control valve through the high-pressure end oil return pipe, and whether high-pressure output is performed or not is controlled.
2. A high and low voltage power station according to claim 1, wherein: the high-pressure assembly further comprises a plurality of first plunger pairs and second plunger pairs; the plurality of first plunger pairs and second plunger pairs are arranged on the fixed block and are communicated with the oil duct arranged in the fixed block, and the output pressure of the second plunger pairs is greater than that of the first plunger pairs.
3. A high and low voltage power station according to claim 2, wherein: the high-pressure assembly further comprises a switching valve which is arranged on the fixed block and controls the simultaneous output of the first plunger pair and the second plunger pair or the independent output of the second high-pressure plunger pair through loop pressure.
4. A high and low voltage power station according to claim 1, wherein: the low-pressure output control valve and the high-pressure output control valve are both provided with connecting joints, and are connected with an external tool through the connecting joints.
5. A high and low voltage power station according to claim 3, wherein: the high-low pressure power station further comprises a heat dissipation assembly, the heat dissipation assembly comprises a fan and a heat dissipation plate, the fan is sleeved outside the double-output-shaft hydraulic pump, the heat dissipation plate is connected with the fan, and the oil return pipe penetrates through the heat dissipation plate.
6. A high and low voltage power station according to claim 1, wherein: the high-low pressure power station also comprises a filter, and the filter is arranged in the high-level oil tank.
7. A high and low voltage power station according to claim 1, wherein: the high-low pressure power station further comprises an outer frame, and the double-output-shaft hydraulic pump, the hydraulic assembly, the engine and the high-level oil tank are all arranged inside the outer frame.
8. A high and low voltage power station according to claim 7, wherein: the high-low pressure power station further comprises a bottom plate, the bottom plate is fixedly connected with the outer frame, and the engine and the double-output shaft hydraulic pump are connected to the bottom plate.
9. A high and low voltage power station according to claim 8, wherein: the high-low pressure power station further comprises wheels, and the wheels are arranged at the lower end of the outer frame.
10. A high and low voltage power station according to claim 9, wherein: the high-low pressure power station further comprises a push-pull handrail, and the push-pull handrail is arranged at the front end of the outer frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322585526.8U CN220890623U (en) | 2023-09-22 | 2023-09-22 | High-low pressure power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322585526.8U CN220890623U (en) | 2023-09-22 | 2023-09-22 | High-low pressure power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890623U true CN220890623U (en) | 2024-05-03 |
Family
ID=90872535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322585526.8U Active CN220890623U (en) | 2023-09-22 | 2023-09-22 | High-low pressure power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890623U (en) |
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2023
- 2023-09-22 CN CN202322585526.8U patent/CN220890623U/en active Active
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