CN205243989U - A two -stage hydraulic pressure station for hydraulic component testboard - Google Patents
A two -stage hydraulic pressure station for hydraulic component testboard Download PDFInfo
- Publication number
- CN205243989U CN205243989U CN201520906158.5U CN201520906158U CN205243989U CN 205243989 U CN205243989 U CN 205243989U CN 201520906158 U CN201520906158 U CN 201520906158U CN 205243989 U CN205243989 U CN 205243989U
- Authority
- CN
- China
- Prior art keywords
- constant pressure
- variable displacement
- displacement pump
- pressure variable
- pump group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model discloses a two -stage hydraulic pressure station for hydraulic component testboard, including first constant voltage variable pump package and second constant voltage variable pump package, each constant voltage variable pump package sets an oil tank respectively, and two oil tanks pass through to communicate each other communicating pipe. This a two -stage hydraulic pressure station for hydraulic component testboard has equipment and the factory building scale of investment is little, process of the test energy consumption is few, the pipeline layout is simple advantage.
Description
Technical field
The utility model relates generally to hydraulic machinery technical field, relates in particular to the two-stage Hydraulic Station for Hydraulic Elements testboard.
Background technology
The existing Hydraulic Station for Hydraulic Elements testboard is generally the metered flow that is determined hydraulic power source by quantitative pump delivery and motor speed, sets rated pressure by overflow valve; Also have the Hydraulic Station that adopts manual variable pump or servo variable pump, once regulate pump delivery, in process of the test, pump work is in constant displacement pump operating mode, and above two kinds of Hydraulic Stations are all Hydraulic Stations that rated pressure and metered flow are fixed value. So, existing Hydraulic Station can only be a Hydraulic Elements testboard fuel feeding, if it is also that different hydraulic pump is to different Hydraulic Elements testboard fuel feeding that Hydraulic Station is given several Hydraulic Elements testboard fuel feeding, pipeline can not be for, and its shortcoming is: equipment and factory building scale of investment are large, the consumption of process of the test energy is large, line arrangement is complicated.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides that a kind of equipment and factory building scale of investment are little, process of the test consuming little energy, line arrangement be simply for the two-stage Hydraulic Station of Hydraulic Elements testboard.
For solving the problems of the technologies described above, the technical scheme the utility model proposes is:
For a two-stage Hydraulic Station for Hydraulic Elements testboard, comprise the first constant pressure variable displacement pump group and the second constant pressure variable displacement pump group, each constant pressure variable displacement pump group arranges respectively a fuel tank, and two fuel tanks were interconnected by communicating pipe.
Further improvement as technique scheme:
Described the first constant pressure variable displacement pump group and the second constant pressure variable displacement pump group are respectively equipped with two constant pressure variable displacement pumps that discharge capacity is equal.
The rotating speed of described the first constant pressure variable displacement pump group and the second constant pressure variable displacement pump group institute gas-distributing motor equates, and the power of the first constant pressure variable displacement pump group institute gas-distributing motor is greater than the power of the second constant pressure variable displacement pump group institute gas-distributing motor.
The constant pressure point of described the first constant pressure variable displacement pump group is greater than the constant pressure point of the second constant pressure variable displacement pump group.
Each constant-pressure variable delivery side of pump arranges electromagnetic relief valve.
The total flow of described the first constant pressure variable displacement pump group and the second constant pressure variable displacement pump group equates.
The utility model has the advantage of than prior art:
Two-stage Hydraulic Station for Hydraulic Elements testboard of the present utility model, adopt many constant pressure variable displacement pump parallel operations with discharge capacity, different constant pressure point is set, be equipped with the motor of different capacity, make Hydraulic Station can determine how to start pump group according to different working condition requirements in use, can meet flow and the pressure of variant Hydraulic Elements testboard needs, for multiple Hydraulic Elements testboard fuel feeding, saving equipment and factory building investment, save operating cost, and line arrangement is succinct; Different pump groups can be operated in variable pump and constant displacement pump two states simultaneously, play and save the energy, reduce the effect consuming.
Brief description of the drawings
Fig. 1 is the two-stage hydraulic station structure schematic diagram for Hydraulic Elements testboard of the present utility model.
In figure, each label represents:
1, the first constant pressure variable displacement pump group; 2, the second constant pressure variable displacement pump group; 3, fuel tank; 4, communicating pipe; 5, electromagnetic relief valve.
Detailed description of the invention
Fig. 1 shows a kind of two-stage Hydraulic Station embodiment for Hydraulic Elements testboard of the present utility model, this Hydraulic Station comprises the first constant pressure variable displacement pump group 1 and the second constant pressure variable displacement pump group 2, each constant pressure variable displacement pump group arranges respectively a fuel tank 3, two fuel tanks 3 were interconnected by communicating pipe 4, the first constant pressure variable displacement pump group 1 and the second constant pressure variable displacement pump group 2 are respectively equipped with two constant pressure variable displacement pumps, each constant-pressure variable pump delivery equates, the rotating speed of the first constant pressure variable displacement pump group 1 and 2 gas-distributing motors of the second constant pressure variable displacement pump group equates, and the power of 1 gas-distributing motor of the first constant pressure variable displacement pump group is greater than the power of 2 gas-distributing motors of the second constant pressure variable displacement pump group, the constant pressure point of the first constant pressure variable displacement pump group 1 is greater than the constant pressure point of the second constant pressure variable displacement pump group 2, the total flow of the first constant pressure variable displacement pump group 1 and the second constant pressure variable displacement pump group 2 equates. in each constant pressure variable displacement pump group, constant-pressure variable delivery side of pump arranges electromagnetic relief valve 5, can ensure that empty load of motor starts, and play in the course of the work safety valve.
In the present embodiment, adopting four discharge capacities is 180cm3The constant pressure variable displacement pump of/r, the first constant pressure variable displacement pump group 1 is equipped with the motor of power 200kw, rotating speed 1500rpm, the total flow of two pumps is 500L/min, the constant pressure point of pump is adjusted to 35MPa, the second constant pressure variable displacement pump group 2 is equipped with the motor of power 132kw, rotating speed 1500rpm, the total flow of two pumps is 500L/min, and the constant pressure point of pump is adjusted to 28MPa.
In the time using the two-stage Hydraulic Station for Hydraulic Elements testboard of the present embodiment, if rated pressure needs 35MPa, flow is not more than 500L/min, only starts the first constant pressure variable displacement pump group 1, and pump work is in variable pump operating mode; If rated pressure needs 28MPa, flow is not more than 500L/min, only starts the second constant pressure variable displacement pump group 2, and pump work is in variable pump operating mode; If rated pressure needs 28MPa, flow is greater than 500L/min but is not more than 1000L/min, start the first constant pressure variable displacement pump group 1 and the second constant pressure variable displacement pump group 2, the first constant pressure variable displacement pump groups 1 are operated in constant displacement pump operating mode, the second constant pressure variable displacement pump group 2 is operated in variable pump operating mode.
The two-stage Hydraulic Station for Hydraulic Elements testboard of the present embodiment, adopt many constant pressure variable displacement pump parallel operations with discharge capacity, different constant pressure point is set, be equipped with the motor of different capacity, make Hydraulic Station can determine how to start pump group according to different working condition requirements in use, can meet flow and the pressure of variant Hydraulic Elements testboard needs, for multiple Hydraulic Elements testboard fuel feeding, saving equipment and factory building investment, save operating cost, and line arrangement is succinct; Different pump groups can be operated in variable pump and constant displacement pump two states simultaneously, play and save the energy, reduce the effect consuming.
Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model. Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations. Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (7)
1. the two-stage Hydraulic Station for Hydraulic Elements testboard, it is characterized in that: comprise the first constant pressure variable displacement pump group (1) and the second constant pressure variable displacement pump group (2), each constant pressure variable displacement pump group arranges respectively a fuel tank (3), and two fuel tanks (3) were interconnected by communicating pipe (4).
2. the two-stage Hydraulic Station for Hydraulic Elements testboard according to claim 1, is characterized in that: described the first constant pressure variable displacement pump group (1) and the second constant pressure variable displacement pump group (2) are respectively equipped with two constant pressure variable displacement pumps that discharge capacity is equal.
3. the two-stage Hydraulic Station for Hydraulic Elements testboard according to claim 2, it is characterized in that: the rotating speed of described the first constant pressure variable displacement pump group (1) and the second constant pressure variable displacement pump group (2) institute gas-distributing motor equates, and the power of the first constant pressure variable displacement pump group (1) institute gas-distributing motor is greater than the power of the second constant pressure variable displacement pump group (2) institute gas-distributing motor.
4. the two-stage Hydraulic Station for Hydraulic Elements testboard according to claim 3, is characterized in that: the constant pressure point of described the first constant pressure variable displacement pump group (1) is greater than the constant pressure point of the second constant pressure variable displacement pump group (2).
5. according to the two-stage Hydraulic Station for Hydraulic Elements testboard described in any one in claim 2 to 4, it is characterized in that: each constant-pressure variable delivery side of pump arranges electromagnetic relief valve (5).
6. according to the two-stage Hydraulic Station for Hydraulic Elements testboard described in any one in claim 2 to 4, it is characterized in that: the total flow of described the first constant pressure variable displacement pump group (1) and the second constant pressure variable displacement pump group (2) equates.
7. the two-stage Hydraulic Station for Hydraulic Elements testboard according to claim 5, is characterized in that: the total flow of described the first constant pressure variable displacement pump group (1) and the second constant pressure variable displacement pump group (2) equates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906158.5U CN205243989U (en) | 2015-11-13 | 2015-11-13 | A two -stage hydraulic pressure station for hydraulic component testboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520906158.5U CN205243989U (en) | 2015-11-13 | 2015-11-13 | A two -stage hydraulic pressure station for hydraulic component testboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205243989U true CN205243989U (en) | 2016-05-18 |
Family
ID=55943074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520906158.5U Expired - Fee Related CN205243989U (en) | 2015-11-13 | 2015-11-13 | A two -stage hydraulic pressure station for hydraulic component testboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205243989U (en) |
-
2015
- 2015-11-13 CN CN201520906158.5U patent/CN205243989U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204646867U (en) | A kind of hydraulic system of cylinder bench | |
| CN203374543U (en) | Hydraulic power pack of roller head machine | |
| CN102797716B (en) | Hydraulic system of vertical numerical control spinning machine | |
| CN105156403A (en) | Automatic power recycling testing platform for hydraulic pump and hydraulic motor | |
| CN205243989U (en) | A two -stage hydraulic pressure station for hydraulic component testboard | |
| CN204533014U (en) | Ioad-sensing control hydraulic system | |
| CN104196782A (en) | Serially-connected composite throttling speed regulating loop for lifter | |
| CN204677524U (en) | Multi-storied garage combined power unit formula one-way cylinder hydraulic control system | |
| CN202556705U (en) | Pressure power-off protection system for applying high-pressure energy accumulator on injection molding machine | |
| CN104675772A (en) | Load sensitive control hydraulic system | |
| CN203144016U (en) | Ultrahigh voltage electric hydraulic pump station | |
| CN201763710U (en) | Energy-saving hydraulic station | |
| CN204878092U (en) | Closed hydraulic power control system | |
| CN210265310U (en) | Multi-pump confluence hydraulic station device | |
| CN209939920U (en) | Hydraulic control system of bulk cargo unloader | |
| CN203214495U (en) | Potential energy recycling hydraulic control system of lifting equipment | |
| CN206988187U (en) | A kind of jacking oil system for phase modulation lubricating oil system | |
| CN203775722U (en) | Steering-first hydraulic working system of harvesting machinery | |
| CN203214496U (en) | Potential energy recycling hydraulic control system of lifting equipment | |
| CN204783895U (en) | Children's bed stuff hydraulic means for chamfer | |
| CN105129667A (en) | Large-tonnage shearing type four-set cross series-connection horizontal adjustment and control system | |
| CN205654482U (en) | Dual computer speed regulator of special high oil pressure of axial flow turbine | |
| CN205001262U (en) | Hydraulic pressure generator auxiliary control ware | |
| CN104047933A (en) | Potential energy recovery system of lifting equipment and matching method during load continuous change | |
| CN204805219U (en) | Capability test system of electromagnetism pilot valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20211113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |