CN201175824Y - Full automatic hydraulic disassembly system of gate arm - Google Patents
Full automatic hydraulic disassembly system of gate arm Download PDFInfo
- Publication number
- CN201175824Y CN201175824Y CNU2008200282296U CN200820028229U CN201175824Y CN 201175824 Y CN201175824 Y CN 201175824Y CN U2008200282296 U CNU2008200282296 U CN U2008200282296U CN 200820028229 U CN200820028229 U CN 200820028229U CN 201175824 Y CN201175824 Y CN 201175824Y
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- guide vane
- pump
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Abstract
A full automatic hydraulic dismounting system for guide vane cranks comprises an actuating mechanism, a linking control mechanism and linking hoses, wherein the control mechanism comprises an oil tank, a hydraulic pump system, a combination valve and a reversing valve, the hydraulic pump system comprises a motor, a radial plunger pump and a gear pump, the combination valve comprises a high pressure overflow valve, a high pressure one-way valve, a low pressure overflow valve and a low pressure one-way valve, the actuating mechanism comprises a hydraulic cylinder, a piston, a stretching head and a stretching screw bolt. The full automatic hydraulic dismounting system for guide vane cranks employs a hydraulic dismounting system, resolves technical problems that the existing tool for dismounting guide vane cranks is extremely difficult in dismounting guide vane cranks and poor in safety performance, and wastes time and energy, and has the advantages that the full automatic hydraulic dismounting system is high in dismounting efficiency, stable in changing direction and reliable in accuracy, and can realize stable starting and safe dismounting.
Description
Technical field
The utility model relates to a kind of hydraulic pressure extracting tool.
Background technology
The Hydropower Unit overhaul life is generally 3 to 5 years, because reasons such as stator axle sleeve seepage or the inspection of hydraulic turbine diversion cover plate need be decomposed whole stators.Because big-and-middle-sized vertical turbine water distributor size is bigger, the diameter of axle is Φ about 270 on the stator, is interference fits between axle, hole, and the molecular separating force that produces between the axis hole is very big, has produced micro-mechanically deform when stator is stressed; Water distributor running environment humidity is easy to generate corrosion; Owing to above reason, cause the guide vane arm of dismounting turbine gate mechanism in the overhaul very difficult.During the guide vane arm dismounting, mainly by simple threads of lead screw jacking, operating efficiency is low; Because can not monitor in real time and control in the operating process, cause each point load inhomogeneous easily, level and center can not be effectively controlled, and guide vane arm can not be hoisted normally; Adopt the dismantlement scheme of threads of lead screw jacking, a whole set of guide vane arm dismounting needs time-consuming more than 20 days, has a strong impact on the maintenance duration progress; Dangerous phenomenons such as leading screw ruptures, jack flies out once took place in the jacking process, had a strong impact on the safety of personal equipment.Though the dismounting mode to the leading screw jacking is simply improved, and as ways such as a plurality of jack jacking together, produces little effect.
See from every side, be badly in need of to the water distributor connecting lever dismounting and specialize in, and design safe and reliable, the removal tool special efficiently of a cover.
Summary of the invention
The utility model proposes a kind of guide vane arm fully automatic hydraulic disassembling system, its instrument dismounting guide vane arm that has solved existing dismounting guide vane arm very difficulty, waste time and energy, the technical problem of poor safety performance.
The technical solution of the utility model device is:
A kind of guide vane arm fully automatic hydraulic disassembling system comprises controlling organization, executing agency and the hose 6 that connects controlling organization and executing agency; Its special character is that described controlling organization comprises fuel tank 13, hydraulic pump system, combination valve 9 and the reversal valve 5 that connects successively; Described hydraulic pump system comprise motor 11 and with the motor 11 coaxial high-pressure pumps that are connected 12, described combination valve 9 comprises the high-pressure overflow valve 10 that is connected between high-pressure pump 12 and the reversal valve 5; Described executing agency comprises hydraulic cylinder 16, piston 14, stretching head 22 and tensile bolt 17, and described stretching head 22 is fixed on hydraulic cylinder 16 outer lower end, and described tensile bolt 17 is arranged on the stretching head 22; Described reversal valve 5 is a 3-position 4-way M type meta hand-operated direction valve, during the meta spring is multiple automatically.
Above-mentioned hydraulic pump system also comprises and the motor 11 coaxial low-lift pumps that are connected 1, described combination valve 9 also comprise be arranged on the high pressure check valve 8 between high-pressure overflow valve 10 and the reversal valve 5 and be arranged on low-lift pump 1 and reversal valve 5 between low pressure relief valve 2 and low pressure check valve 3.
Above-mentioned executing agency comprises the positioning disk 18 that is arranged on stretching head 22 belows, and described positioning disk 18 is arranged on the circular disk between piston 14 and the guide vane teunnion 21, and its external diameter equates that with guide vane teunnion 21 its internal diameter equates with piston rod.
Oil circuit between above-mentioned reversal valve 5 and the combination valve 9 is provided with Pressure gauge 4.
Above-mentioned hydraulic cylinder 16 tops are provided with suspension ring 15.
Above-mentioned reversal valve 5 is the 34SZFM-6M reversal valve, and described low-lift pump 1 is a gear pump, and described high-pressure pump 12 is a radial plunger pump.
Above-mentioned hose 6 is two 6 to 10 meters a pressure hose.
The advantage of the utility model device is:
1, the utility model has adopted the hydraulic detachment unloading system, so the removal efficiency height has shortened dismounting cycle of guide vane arm.Simultaneously, come main line position in the maintenance network because water distributor decomposes in the overhaul of hydraulic generator unit, the utility model can be promoted comprehensively the generating set overhaul duration.
2, the utility model active force is big, possess bidirectional operation function, workpiece double acting, can make the up and down two directions action of workpiece piston, and spring multiple automatically in, start steadily, be swift in motion, reliable and stable, guaranteed that the stationarity and the precision of system's commutation is reliable.
3, stroke of the present utility model can manufacture and design according to each unit demand, satisfies the length of fit size of stator axle head and connecting lever fully, once finishes jacking and need not change a jacking of jack midway, has guaranteed that the safety and stability of guide vane lever rises.
4, the utility model hydraulic circuit has reliable safety and Protection, can carry out Detection ﹠ Controling to outlet pressure and piston stroke, and is easy to operate and taken into full account functions such as safeguard protection and sealing, feasible system smooth starting and safety unloading.The utility model is equipped with a plurality of special-purpose tensile bolts, and concrete shape requirement and stretching head are complementary, and possesses overload and cuts off ability.The utility model hydraulic cylinder can float at an arbitrary position.When the utility model reversal valve was in meta, P was communicated with the T mouth, guaranteed stability hydraulic in the cylinder body.
5, the utility model can be realized vertically hoisting of guide vane lever, and lifting velocity is even, and the levelness when hoisting is good, center precision height.
6, the utility model has improved production efficiency, has alleviated working strength of workers.Package unit is convenient, flexible, finishes whole operations and only needs a staff.
7, system's light and flexible, convenient transportation.Suspension ring are arranged to make things convenient for handling.Whole system can be carried with common handcart.
Description of drawings
Fig. 1 is the utility model hydraulic structure schematic diagram; Wherein: 1-low-lift pump, 2-low pressure relief valve, 3-low pressure check valve, 4-Pressure gauge, the 5-reversal valve, 6-hose, 7-reversing handle, 8-high pressure check valve, the 9-combination valve, 10-high-pressure overflow valve, 11-motor, 12-high-pressure pump, the 13-fuel tank, 14-piston, 15-suspension ring, 16-hydraulic cylinder, the 17-tensile bolt, 18-positioning disk, 19-connecting lever, the 20-stator, 21-guide vane teunnion, 22-stretching head.
The specific embodiment
Referring to Fig. 1, the utility model comprises controlling organization, executing agency and the hose that connects controlling organization and executing agency, and hose is two 6 to 10 meters a pressure hose; Controlling organization comprises fuel tank, hydraulic pump system, combination valve and the reversal valve that connects successively; Hydraulic pump system comprises motor and radial plunger pump that is connected with motor coaxle and gear pump, combination valve comprise high-pressure overflow valve and the high pressure check valve that is connected between radial plunger pump and the reversal valve and be arranged on gear pump and reversal valve between low pressure relief valve and low pressure check valve; The positioning disk that executing agency comprises hydraulic cylinder, piston, stretching head, tensile bolt and is arranged on the stretching head below, stretching head is fixed on the hydraulic cylinder outer lower end, and tensile bolt is arranged on the stretching head; Reversal valve is a 3-position 4-way M type meta hand-operated direction valve, during the meta spring is multiple automatically, specifically can adopt the 34SZFM-6M reversal valve; Positioning disk is the circular disk between piston and the guide vane teunnion, and its external diameter equates that with guide vane teunnion its internal diameter equates with piston rod.For safety, the oil circuit between reversal valve 5 and combination valve 9 is provided with Pressure gauge 4.Install for convenient, be provided with suspension ring 15 at hydraulic cylinder 16 tops.
Select suitable three position four-way directional control valve for use, oil pump unloading during meta, P, T mouth meta are communicated with, and crossover position disconnects, and pressure oil is communicated with oil sump tank.The reversal valve model is 345ZFM-6M, M type meta, and pump unloading during meta, the executing location position of components pins, and P, T mouth meta are communicated with, and crossover position disconnects.
This pumping plant body is light in a small amount, the twin-stage pumping plant, and during low pressure, axial plunger pump (high-pressure pump, pressure 80Mpa, flow 2.0L/min), gear pump (low-lift pump, pressure 2.5Mpa, low pressure flow 6L/min) the while fuel feeding can obtain bigger flow, accelerates the initial stage operating rate; During high pressure, gear pump is through the automatic unloaded oil return of low pressure relief valve.The volumetric efficiency of axial plunger pump reaches more than 90%, and motor (power 2.2KW, rotating speed are 1400r/min) directly drives the pump shaft rotation, under the effect of swash plate, plunger pumps along plunger bushing, and hydraulic oil sucks through inlet valve, discharge by draining valve, enter system oil-way.
Concordant with the hydraulic cylinder head with the stretching head bottom surface for guaranteeing stretching head, stretching head and cylinder design are structure as a whole.Oil cylinder flange bolt positioning accuracy height is provided with the positioning disk with centering positioning action between piston and guide vane teunnion.With a plurality of special-purpose tensile bolt that stretching head is complementary, possess overload and cut off ability.
During the work of wood utility model, be full of hydraulic oil in the system, connect power supply; Piston head is installed on the guide vane arm by tensile bolt.Start the oil pump reversal valve, hydraulic cylinder piston extend out to and cooperates section (about 270 millimeters), and connecting lever is extracted.The involution of reverse operating main valve piston.
The high energy of the specified pulling force of the utility model reaches 100 tons; Two-way function, rated travel 〉=300 millimeter.
Claims (7)
1, a kind of guide vane arm fully automatic hydraulic disassembling system comprises controlling organization, executing agency and the hose (6) that connects controlling organization and executing agency; It is characterized in that: described controlling organization comprises fuel tank (13), hydraulic pump system, combination valve (9) and the reversal valve (5) that connects successively; Described hydraulic pump system comprise motor (11) and with the coaxial high-pressure pump that is connected of motor (11) (12), described combination valve (9) comprises the high-pressure overflow valve (10) that is connected between high-pressure pump (12) and the reversal valve (5); Described executing agency comprises hydraulic cylinder (16), piston (14), stretching head (22) and tensile bolt (17), and described stretching head (22) is fixed on hydraulic cylinder (16) outer lower end, and described tensile bolt (17) is arranged on the stretching head (22); Described reversal valve (5) is a 3-position 4-way M type meta hand-operated direction valve, during the meta spring is multiple automatically.
2, guide vane arm fully automatic hydraulic disassembling system according to claim 1, it is characterized in that: described hydraulic pump system also comprises and the coaxial low-lift pump that is connected of motor (11) (1), described combination valve (9) also comprise be arranged on the high pressure check valve (8) between high-pressure overflow valve (10) and the reversal valve (5) and be arranged on low-lift pump (1) and reversal valve (5) between low pressure relief valve (2) and low pressure check valve (3).
3, guide vane arm fully automatic hydraulic disassembling system according to claim 1 and 2, it is characterized in that: described executing agency comprises the positioning disk (18) that is arranged on stretching head (22) below, described positioning disk (18) is arranged on the circular disk between piston (14) and the guide vane teunnion (21), its external diameter equates that with guide vane teunnion (21) its internal diameter equates with piston rod.
4, guide vane arm fully automatic hydraulic disassembling system according to claim 3 is characterized in that: the oil circuit between described reversal valve (5) and the combination valve (9) is provided with Pressure gauge (4).
5, guide vane arm fully automatic hydraulic disassembling system according to claim 4 is characterized in that: described hydraulic cylinder (16) top is provided with suspension ring (15).
6, guide vane arm fully automatic hydraulic disassembling system according to claim 5, it is characterized in that: described reversal valve (5) is the 34SZFM-6M reversal valve, and described low-lift pump (1) is a gear pump, and described high-pressure pump (12) is a radial plunger pump.
7, guide vane arm fully automatic hydraulic disassembling system according to claim 6 is characterized in that: described hose (6) is two 6 to 10 meters a pressure hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200282296U CN201175824Y (en) | 2008-01-29 | 2008-01-29 | Full automatic hydraulic disassembly system of gate arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200282296U CN201175824Y (en) | 2008-01-29 | 2008-01-29 | Full automatic hydraulic disassembly system of gate arm |
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| Publication Number | Publication Date |
|---|---|
| CN201175824Y true CN201175824Y (en) | 2009-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200282296U Expired - Fee Related CN201175824Y (en) | 2008-01-29 | 2008-01-29 | Full automatic hydraulic disassembly system of gate arm |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927430A (en) * | 2010-03-23 | 2010-12-29 | 昆山市创新科技检测仪器有限公司 | Automatic climbing device for weights |
| CN102108983A (en) * | 2010-12-28 | 2011-06-29 | 宁夏永旺机电设备制造有限公司 | Hydraulic magnesium pressing machine |
| CN101670571B (en) * | 2009-09-29 | 2013-09-25 | 新兴铸管股份有限公司 | Dismounting device of hydraulic cylinder |
| CN104816151A (en) * | 2015-03-04 | 2015-08-05 | 常州大学 | Hydraulic automatic nut screwing-unscrewing device |
| CN104842313A (en) * | 2015-05-15 | 2015-08-19 | 国家电网公司 | Guide vane arm dismounting device |
| CN104842143A (en) * | 2015-05-18 | 2015-08-19 | 江苏荣邦机械制造有限公司 | Impeller press-fitting and dismounting device |
| CN106219390A (en) * | 2016-09-26 | 2016-12-14 | 国家电网公司 | Connecting lever tool special for dismounting |
| CN109931306A (en) * | 2019-04-02 | 2019-06-25 | 哈工新欧(岳阳)测控装备有限公司 | A kind of inserted valve hydraulic withdrawal system |
| CN110918853A (en) * | 2019-12-07 | 2020-03-27 | 南京宏擎精密材料科技有限公司 | Energy-saving die forging hydraulic press and using method thereof |
| CN113958547A (en) * | 2021-10-18 | 2022-01-21 | 山东泰丰智能控制股份有限公司 | Valve group device of ultrahigh pressure crimping machine |
-
2008
- 2008-01-29 CN CNU2008200282296U patent/CN201175824Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101670571B (en) * | 2009-09-29 | 2013-09-25 | 新兴铸管股份有限公司 | Dismounting device of hydraulic cylinder |
| CN101927430A (en) * | 2010-03-23 | 2010-12-29 | 昆山市创新科技检测仪器有限公司 | Automatic climbing device for weights |
| CN101927430B (en) * | 2010-03-23 | 2012-03-21 | 昆山市创新科技检测仪器有限公司 | Automatic climbing device for weights |
| CN102108983A (en) * | 2010-12-28 | 2011-06-29 | 宁夏永旺机电设备制造有限公司 | Hydraulic magnesium pressing machine |
| CN104816151A (en) * | 2015-03-04 | 2015-08-05 | 常州大学 | Hydraulic automatic nut screwing-unscrewing device |
| CN104842313B (en) * | 2015-05-15 | 2017-09-29 | 国家电网公司 | A kind of guide vane arm provision for disengagement |
| CN104842313A (en) * | 2015-05-15 | 2015-08-19 | 国家电网公司 | Guide vane arm dismounting device |
| CN104842143A (en) * | 2015-05-18 | 2015-08-19 | 江苏荣邦机械制造有限公司 | Impeller press-fitting and dismounting device |
| CN104842143B (en) * | 2015-05-18 | 2017-06-06 | 江苏荣邦机械制造有限公司 | Impeller press-assembling provision for disengagement |
| CN106219390A (en) * | 2016-09-26 | 2016-12-14 | 国家电网公司 | Connecting lever tool special for dismounting |
| CN109931306A (en) * | 2019-04-02 | 2019-06-25 | 哈工新欧(岳阳)测控装备有限公司 | A kind of inserted valve hydraulic withdrawal system |
| CN110918853A (en) * | 2019-12-07 | 2020-03-27 | 南京宏擎精密材料科技有限公司 | Energy-saving die forging hydraulic press and using method thereof |
| CN110918853B (en) * | 2019-12-07 | 2021-09-03 | 南京宏擎精密材料科技有限公司 | Energy-saving die forging hydraulic press and using method thereof |
| CN113958547A (en) * | 2021-10-18 | 2022-01-21 | 山东泰丰智能控制股份有限公司 | Valve group device of ultrahigh pressure crimping machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Youmu Inventor after: Lu Chengxin Inventor after: Ma Tao Inventor after: Zhang Zhiyong Inventor after: Zhou Honglin Inventor after: Chen Xinhui Inventor after: Zhu Xiaodong Inventor after: Chen Fenhuan Inventor after: gang Xiao Gang Inventor before: Li Youmu Inventor before: Lu Chengxin Inventor before: Ma Tao Inventor before: Zhang Zhiyong Inventor before: Zhou Honglin Inventor before: Chen Xinhui Inventor before: Zhu Xiaodong Inventor before: Chen Jie Inventor before: Niu Xiaogang; |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI YOUMU; LU CHENGXIN; MA TAO; ZHANG ZHIYONG; ZHOU HONGLIN; CHEN XINHUI; ZHU XIAODONG; CHEN BANHUAN; NIU XIAOGANG TO: LI YOUMU; LU CHENGXIN; MA TAO; ZHANG ZHIYONG; ZHOU HONGLIN; CHEN XINHUI; ZHU XIAODONG; CHEN FENHUAN; NIU XIAOGANG |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20100129 |