CN105605037A - Hydraulic station for small lifters - Google Patents
Hydraulic station for small lifters Download PDFInfo
- Publication number
- CN105605037A CN105605037A CN201610117898.XA CN201610117898A CN105605037A CN 105605037 A CN105605037 A CN 105605037A CN 201610117898 A CN201610117898 A CN 201610117898A CN 105605037 A CN105605037 A CN 105605037A
- Authority
- CN
- China
- Prior art keywords
- valve
- fuel tank
- electromagnetic relief
- oil
- relief valve
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
- F15B19/005—Fault detection or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/042—Controlling the temperature of the fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20507—Type of prime mover
- F15B2211/20515—Electric motor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a hydraulic station for small lifters. The hydraulic station comprises an oil tank, a motor pump set, a valve bank and an air cooler, the motor pump set comprises a motor and a plunger pump, the motor is vertically arranged at the top of the oil tank, the plunger pump is mounted at the lower end of the motor and positioned in the oil tank, the valve bank and the air cooler are mounted at the top of the oil tank, the valve bank is connected with an output end of the plunger pump through a valve bank pipe which is connected to an oil inlet of the valve bank, an upper oil cylinder port of the valve bank is connected to an upper oil cylinder of a lifter oil cylinder while a lower oil cylinder port of the same is connected to a lower oil cylinder of the lifter oil cylinder, an oil return pipeline of the lifter oil cylinder is connected to an input end of the air cooler, and an output end pipeline of the air cooler is connected to an oil return port of the oil tank. The small hydraulic station is designed for the small lifters, has the advantages of simple structure and high control efficiency and is quite suitable for the small lifters.
Description
Technical field:
The present invention relates to hydraulic power unit equipment technical field, in particular to the small-sized liter of oneThe Hydraulic Station of machine falls.
Background technology:
Hydraulic Station is the vitals that power is provided for lift, and lift carries out enhancing actionTime, have plenty of by automatically controlled driving, have plenty of by Hydraulic Station and drive, Hydraulic Station be mainly byThe hydraulic power source device that hydraulic pump, motor, fuel tank, direction valve, overflow valve etc. form, by hydraulic pressurePumping plant is connected with oil pipe with the oil cylinder of valve, and hydraulic system can realize the action of various regulations.The rotation of driven by motor oil pump, pump is bought oil after oil suction from fuel tank, and mechanical energy is converted to pressure energy,Hydraulic oil has been realized the regulatory function of direction, pressure, flow by hydraulic valve by valve group.
But the lift hydraulic power unit ubiquity flexibility of prior art is poor, can not realize realityThe problem of the adjusting of Shi Liuliang and direction.
Summary of the invention:
Technical problem solved by the invention: the glue sprayer hydraulic power unit flexibility of prior artPoor, can not to realize the adjusting of real-time traffic and direction problem.
The invention provides following technical scheme:
A Hydraulic Station for dumbwaiter, comprises that fuel tank, electric-motor pump group, valve group and wind are coolingDevice; Described electric-motor pump group comprises motor and plunger displacement pump, and described motor is vertically arranged on the top of fuel tankPortion, plunger displacement pump is installed in the lower end of motor, and described plunger displacement pump is positioned among fuel tank; Described valve group andForced air cooler is arranged on the top of fuel tank; Described valve group is by valve group pipe and plunger delivery side of pumpConnect, described valve group pipe is connected to the oil-in of valve group; The upper cylinder interface of valve group is connected to literFall the upper cylinder of Oil cylinder, lower oil cylinder interface and be connected to the lower oil cylinder of lift oil cylinder; Described literThe oil returning tube that falls Oil cylinder is connected to the input of forced air cooler, the output pipe of forced air coolerRoad is connected to the oil return opening of top of oil-tank.
By technique scheme, electric machine rotation can drive the plunger displacement pump motion that is positioned at its output,Plunger displacement pump can suck the hydraulic oil in fuel tank, then pressurization, flow in valve group by valve group pipe,Valve group can continue pressurization to the hydraulic oil flowing into, and the hydraulic oil that flows out valve group passes through respectively upper cylinderUpper cylinder and the lower oil cylinder of interface and lower oil cylinder interface access lift, two-way hydraulic oil exists pressesPoor, so promote the motion of lift hydraulic cylinder, meanwhile, the return line of hydraulic cylinder connectsEnter in forced air cooler, the hydraulic oil of heat is through the cooling effect of forced air cooler, then by oil returnMouth recycles among getting back to fuel tank.
The Hydraulic Station that the present invention be directed to lift and design, this Hydraulic Station has simple in structure,The feature that control efficiency is high is applicable to dumbwaiter very much.
As to the explanation to storage liquid pressure energy mode in technique scheme, the side of described fuel tankPortion is provided with energy storage tank, and described energy storage tank is connected with the energy storage tank interface of valve group. This Hydraulic Station also existsThe sidepiece of fuel tank has designed energy storage tank, and this energy storage tank is metal tank body processed, one end is communicated with fuel tank,One end is communicated with valve group, and valve group can store hydraulic energy in the case of producing unnecessary hydraulic energyAmong energy storage tank, among this energy storage tank, hydraulic oil is housed, will when being stored into pasta after hydraulic energyDecline, in the time that needs use this hydraulic energy, valve group can call this hydraulic energy now pasta will rise.
As the explanation to valve group in the present invention, described valve group also comprises valve seat, described valve seatThe first electromagnetic relief valve, the second electromagnetic relief valve, the 3rd electromagnetic relief valve, the 4th are installed in topElectromagnetic relief valve and inserted valve, described the first electromagnetic relief valve, the second electromagnetic relief valve, the 3rdElectromagnetic relief valve, the 4th electromagnetic relief valve and inserted valve are installed successively side by side. Described the first electromagnetismThe below of overflow valve, the second electromagnetic relief valve, the 3rd electromagnetic relief valve and the 4th electromagnetic relief valveBe equipped with reversal valve, the number of described reversal valve is four, described four reversal valves and four electricityThe combination of magnetic overflow valve is installed. The first electromagnetic relief valve on valve seat, the second electromagnetic relief valve,Three electromagnetic relief valves, the 4th electromagnetic relief valve and inserted valve can coordinate the turnover of controlling hydraulic oil,Upper cylinder interface on valve seat and lower oil cylinder interface respectively with upper cylinder and the lower oil cylinder of hydraulic cylinderConnect, have pressure reduction from the hydraulic oil of upper cylinder interface and the outflow of oil cylinder interface, so causeThere is pressure differential in the upper cylinder of lift hydraulic cylinder and lower oil cylinder, hydraulic cylinder comes by this pressure differentialPromote the movement of lift.
As the explanation near assembly valve group in the present invention, the input of described valve group and pressureTable connects, and described Pressure gauge is positioned at the top of fuel tank. The pressure of the hydraulic oil of process plunger displacement pump effectWithin power needed to maintain rational scope before entering valve group, between plunger displacement pump and valve groupCut-in pressure table can be observed oil pressure value herein intuitively, prevents that pressure from exceeding the model of permissionEnclose.
As the explanation to fuel tank in the present invention, the sidepiece of described fuel tank is also provided with liquid level meter and electricityCase, liquid level meter and electronic box lay respectively at the both sides of fuel tank, and the top of fuel tank is provided with air filter. EmptyFilter is arranged on the oil-in of fuel tank, for isolated air in the time refueling, prevents that air from sneaking intoAmong hydraulic oil, enter fuel tank. Electronic box is connected to control two by wire with motor and forced air coolerPerson's startup.
Brief description of the drawings:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is perspective view of the present invention;
Fig. 2 is plan structure schematic diagram of the present invention;
Fig. 3 is valve block structure schematic diagram of the present invention;
Fig. 4 observes gained structural scheme of mechanism from the right back of Fig. 3.
Detailed description of the invention:
If Fig. 1 is to as shown in Fig. 4, a kind of Hydraulic Station of dumbwaiter, comprise fuel tank 10,Electric-motor pump group 20, valve group 30 and forced air cooler 60; Described electric-motor pump group 20 comprises motor 21With plunger displacement pump 22, described motor 21 is vertically arranged on the top of fuel tank 10, under motor 21End is installed plunger displacement pump 22, and described plunger displacement pump 22 is positioned among fuel tank 10; Described valve group 30 HesForced air cooler 60 is arranged on the top of fuel tank 10; Described valve group 30 is by valve group pipe 31 and postThe output of plug pump 22 connects, and described valve group pipe 31 is connected to the oil-in 301 of valve group 30;The upper cylinder interface 302 of valve group 30 is connected to the upper cylinder of lift oil cylinder, lower oil cylinder interface303 are connected to the lower oil cylinder of lift oil cylinder; The oil returning tube of described lift oil cylinder is connected toThe input of forced air cooler 60, the pipeline at output of forced air cooler 60 is connected to fuel tank 10 and pushes upThe oil return opening 13 of portion.
As depicted in figs. 1 and 2, the sidepiece of described fuel tank 10 is provided with energy storage tank 40, described in holdCan be connected with the energy storage tank interface 304 of valve group 30 by tank 40.
As shown in Figure 3 and Figure 4, described valve group 30 also comprises valve seat 32, described valve seat 32Top the first electromagnetic relief valve 33, the second electromagnetic relief valve 34, the 3rd electromagnetism overflow are installedValve 35, the 4th electromagnetic relief valve 36 and inserted valve 37, described the first electromagnetic relief valve 33,The second electromagnetic relief valve 34, the 3rd electromagnetic relief valve 35, the 4th electromagnetic relief valve 36 and plug-in mountingValve 37 is installed successively side by side.
As shown in Figure 3 and Figure 4, described the first electromagnetic relief valve 33, the second electromagnetic relief valve34, the below of the 3rd electromagnetic relief valve 35 and the 4th electromagnetic relief valve 36 is equipped with reversal valve38, the number of described reversal valve 38 is four, and described four reversal valves 38 and four electromagnetism overflowThe combination of stream valve is installed.
As depicted in figs. 1 and 2, the input of described valve group 30 is connected with Pressure gauge 50, instituteState the top that Pressure gauge 50 is positioned at fuel tank 10.
As depicted in figs. 1 and 2, the sidepiece of described fuel tank 10 is also provided with liquid level meter 14 and electronic box11, liquid level meter 14 and electronic box 11 lay respectively at the both sides of fuel tank 10, and establish at the top of fuel tank 10There is air filter 12.
In real work, motor 21 rotates and can drive the plunger displacement pump 22 that is positioned at its output to move,Plunger displacement pump 22 can suck the hydraulic oil in fuel tank 10, then pressurization, by valve group pipe 31Flow in valve group 30, valve group 30 can continue pressurization to the hydraulic oil flowing into, and flows out valve group 30Hydraulic oil access the upper of lift by upper cylinder interface 302 and lower oil cylinder interface 303 respectivelyOil cylinder and lower oil cylinder, there is pressure reduction in two-way hydraulic oil, so promotes the motion of lift hydraulic cylinder,Meanwhile, in the return line access forced air cooler 60 of hydraulic cylinder, the hydraulic oil process of heatThe cooling effect of forced air cooler 60, then gets back among fuel tank 10 by oil return opening 13
Recycle. Wherein, Hydraulic Station has also designed energy storage tank 40 at the sidepiece of fuel tank 10, and this holdsCan tank 40 be metal tank bodies processed, one end be communicated with fuel tank 10, one end is communicated with valve group 30,Valve group 30 can in the case of produce unnecessary hydraulic energy, hydraulic energy is stored in energy storage tank 40 itIn, among this energy storage tank 40, hydraulic oil being housed, will decline when being stored into pasta after hydraulic energy,In the time that needs use this hydraulic energy, valve group 30 can call this hydraulic energy now pasta will rise.The first electromagnetic relief valve 33 on valve seat 32, the second electromagnetic relief valve 34, the 3rd electromagnetism overflowValve 35, the 4th electromagnetic relief valve 36 and inserted valve 37 can coordinate the turnover of controlling hydraulic oil,Upper cylinder interface 302 on valve seat 32 and lower oil cylinder interface 303 respectively with the oiling of hydraulic cylinderCylinder is connected with lower oil cylinder, the hydraulic oil flowing out from upper cylinder interface 302 and oil cylinder interface 303There is pressure reduction, so cause the upper cylinder of lift hydraulic cylinder and lower oil cylinder to have pressure differential, liquidCylinder pressure promotes the movement of lift by this pressure differential. The hydraulic pressure acting on through plunger displacement pump 22Within the pressure of oil needed to maintain rational scope before entering valve group 30, at plunger displacement pump22 and valve group 30 between cut-in pressure table 50 can observe intuitively oil pressure value herein, anti-Only pressure exceeds the scope of permission. Air filter 12 is arranged on the oil-in of fuel tank 10, forIn the time refueling, isolated air, prevents that air from entering fuel tank 10 among sneaking into hydraulic oil. Electronic box 11Be connected to control both startups by wire and motor 21 and forced air cooler 60.
Above content is only preferred embodiments of the present invention, for the ordinary skill people of this areaMember, according to thought of the present invention, all can change it in specific embodiments and applicationsPlace, this description should not be construed as limitation of the present invention.
Claims (6)
1. a Hydraulic Station for dumbwaiter, comprise fuel tank (10), electric-motor pump group (20),Valve group (30) and forced air cooler (60); It is characterized in that: described electric-motor pump group (20) bagDraw together motor (21) and plunger displacement pump (22), described motor (21) is vertically arranged on fuel tank (10)Top, plunger displacement pump (22) is installed in the lower end of motor (21), described plunger displacement pump (22) positionAmong fuel tank (10); Described valve group (30) and forced air cooler (60) are arranged on fuel tank (10)Top; Described valve group (30) is the output with plunger displacement pump (22) by valve group pipe (31)Connect, described valve group pipe (31) is connected to the oil-in (301) of valve group (30); Valve group (30)Upper cylinder interface (302) be connected to upper cylinder, the lower oil cylinder interface (303) of lift oil cylinderBe connected to the lower oil cylinder of lift oil cylinder; The oil returning tube of described lift oil cylinder is connected to air-cooledBut the input of device (60), the pipeline at output of forced air cooler (60) is connected to fuel tank (10)The oil return opening (13) at top.
2. the Hydraulic Station of a kind of dumbwaiter as claimed in claim 1, is characterized in that:The sidepiece of described fuel tank (10) is provided with energy storage tank (40), described energy storage tank (40) and valve group(30) energy storage tank interface (304) connects.
3. the Hydraulic Station of a kind of dumbwaiter as claimed in claim 1, is characterized in that:Described valve group (30) also comprises valve seat (32), and the top of described valve seat (32) installs firstElectromagnetic relief valve (33), the second electromagnetic relief valve (34), the 3rd electromagnetic relief valve (35),The 4th electromagnetic relief valve (36) and inserted valve (37), described the first electromagnetic relief valve (33),The second electromagnetic relief valve (34), the 3rd electromagnetic relief valve (35), the 4th electromagnetic relief valve (36)And inserted valve (37) is installed successively side by side.
4. the Hydraulic Station of a kind of dumbwaiter as claimed in claim 3, is characterized in that:Described the first electromagnetic relief valve (33), the second electromagnetic relief valve (34), the 3rd electromagnetic relief valve(35) below of the and four electromagnetic relief valve (36) is equipped with reversal valve (38), described in changeBe four to the number of valve (38), described four reversal valves (38) and four electromagnetic relief valvesCombination is installed.
5. the Hydraulic Station of a kind of dumbwaiter as claimed in claim 1, is characterized in that:The input of described valve group (30) is connected with Pressure gauge (50), described Pressure gauge (50) positionIn the top of fuel tank (10).
6. the Hydraulic Station of a kind of dumbwaiter as claimed in claim 1, is characterized in that:The sidepiece of described fuel tank (10) is also provided with liquid level meter (14) and electronic box (11), liquid level meter (14)With electronic box (11) lays respectively at the both sides of fuel tank (10), the top of fuel tank (10) is provided with skyFilter (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117898.XA CN105605037A (en) | 2016-03-02 | 2016-03-02 | Hydraulic station for small lifters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610117898.XA CN105605037A (en) | 2016-03-02 | 2016-03-02 | Hydraulic station for small lifters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105605037A true CN105605037A (en) | 2016-05-25 |
Family
ID=55985260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610117898.XA Pending CN105605037A (en) | 2016-03-02 | 2016-03-02 | Hydraulic station for small lifters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105605037A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337856A (en) * | 2016-08-31 | 2017-01-18 | 德玛仕电液技术（苏州）有限公司 | Servo hydraulic device |
| CN110878780A (en) * | 2019-11-15 | 2020-03-13 | 广州纯元科技有限公司 | Hydraulic pressure station convenient to remove and having heat dissipation function |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419364A (en) * | 1990-05-11 | 1992-01-23 | Toshiba Corp | Adjusted-phase operation controller for hydraulic power machine |
| US5692876A (en) * | 1995-12-21 | 1997-12-02 | Cameron, Deceased; Robert E. | Hydrostatic transmission for end dog carriage drive |
| CN101475130A (en) * | 2009-01-22 | 2009-07-08 | 重庆键英液压机电有限公司 | Hydraulic time-delay double-stage braking hoister hydraulic station |
| CN201461624U (en) * | 2009-07-23 | 2010-05-12 | 贵阳高原矿山机械有限公司 | Mine hoisting machine constant temperature hydraulic station |
| CN201865993U (en) * | 2010-10-30 | 2011-06-15 | 山东泰鼎矿山机械有限公司 | Simple oil path hydraulic station for mine hoist |
| CN201944032U (en) * | 2010-10-11 | 2011-08-24 | 安阳锻压机械工业有限公司 | Integral hydraulic valve apparatus with pressure-increasing function |
| CN202612233U (en) * | 2011-12-16 | 2012-12-19 | 北汽福田汽车股份有限公司 | Integrated valve set used for engineering machinery hydraulic system |
| CN202628641U (en) * | 2011-12-16 | 2012-12-26 | 北汽福田汽车股份有限公司 | Integrated valve set applied in engineering machinery hydraulic system and cartridge valve assembly of the integrated valve set |
| CN202955052U (en) * | 2012-08-30 | 2013-05-29 | 湖南五新重型装备有限公司 | Concrete sprayer hydraulic system main valve block |
| CN203926228U (en) * | 2014-04-25 | 2014-11-05 | 上海工程技术大学 | A kind of compact hydraulic station |
-
2016
- 2016-03-02 CN CN201610117898.XA patent/CN105605037A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419364A (en) * | 1990-05-11 | 1992-01-23 | Toshiba Corp | Adjusted-phase operation controller for hydraulic power machine |
| US5692876A (en) * | 1995-12-21 | 1997-12-02 | Cameron, Deceased; Robert E. | Hydrostatic transmission for end dog carriage drive |
| CN101475130A (en) * | 2009-01-22 | 2009-07-08 | 重庆键英液压机电有限公司 | Hydraulic time-delay double-stage braking hoister hydraulic station |
| CN201461624U (en) * | 2009-07-23 | 2010-05-12 | 贵阳高原矿山机械有限公司 | Mine hoisting machine constant temperature hydraulic station |
| CN201944032U (en) * | 2010-10-11 | 2011-08-24 | 安阳锻压机械工业有限公司 | Integral hydraulic valve apparatus with pressure-increasing function |
| CN201865993U (en) * | 2010-10-30 | 2011-06-15 | 山东泰鼎矿山机械有限公司 | Simple oil path hydraulic station for mine hoist |
| CN202612233U (en) * | 2011-12-16 | 2012-12-19 | 北汽福田汽车股份有限公司 | Integrated valve set used for engineering machinery hydraulic system |
| CN202628641U (en) * | 2011-12-16 | 2012-12-26 | 北汽福田汽车股份有限公司 | Integrated valve set applied in engineering machinery hydraulic system and cartridge valve assembly of the integrated valve set |
| CN202955052U (en) * | 2012-08-30 | 2013-05-29 | 湖南五新重型装备有限公司 | Concrete sprayer hydraulic system main valve block |
| CN203926228U (en) * | 2014-04-25 | 2014-11-05 | 上海工程技术大学 | A kind of compact hydraulic station |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337856A (en) * | 2016-08-31 | 2017-01-18 | 德玛仕电液技术（苏州）有限公司 | Servo hydraulic device |
| CN110878780A (en) * | 2019-11-15 | 2020-03-13 | 广州纯元科技有限公司 | Hydraulic pressure station convenient to remove and having heat dissipation function |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Inventor after: Ping Lizhong Inventor before: Chen Yonglin |
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Effective date of registration: 20170126 Address after: Wujiang District of Suzhou City, Jiangsu province 215200 Lili town traffic road No. 1 Applicant after: Wujiang Junda Elevator Parts Co., Ltd. Address before: Wuxing District of Zhejiang city in Huzhou Province, 313000 Street West Tiaoxi flying the British Huzhou Youchuang Technology Co. Ltd. Applicant before: HUZHOU YOUCHUANG TECHNOLOGY CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160525 |
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| RJ01 | Rejection of invention patent application after publication |