CN101963236B - Manual hydraulic gate valve - Google Patents
Manual hydraulic gate valve Download PDFInfo
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- CN101963236B CN101963236B CN2010102953494A CN201010295349A CN101963236B CN 101963236 B CN101963236 B CN 101963236B CN 2010102953494 A CN2010102953494 A CN 2010102953494A CN 201010295349 A CN201010295349 A CN 201010295349A CN 101963236 B CN101963236 B CN 101963236B
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- 239000007788 liquid Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The invention discloses a manual hydraulic gate valve, which comprises a gate valve body, a flashboard and a valve rod and also comprises a manual hydraulic control device connected with the valve rod, wherein the manual hydraulic control device comprises a hydraulic cylinder, an oil tube, a change valve and a hydraulic actuator; and the hydraulic actuator is connected with the hydraulic cylinder through the oil tube which is connected with the change valve. When the manual hydraulic gate valve is used, the opening and closing of the flashboard are driven by the manual hydraulic control device.
Description
Technical field
The present invention relates to a kind of gate valve, especially, also can be used for stop valve through the gate valve of hand-hydraulic open and close.
Background technique
General gate valve is little owing to having flow resistance, and switch is convenient, can clean pipeline, is suitable for advantages such as different Korrosionsmediums, therefore in various pipe-line systems, obtains extensive use.
But it is pneumatic or electronic that present large-scale gate valve is, as have an accident, for example; Petroleum pipeline catches fire etc., in order to prevent travel of flame, cuts off general power exactly in the first step of breaking out of fire usually; Make all electronic, the Pneumatic actuator on the pipeline, comprise that valve all lost power source.Make pipeline valve out of hand, allow petroleum injection, cause big fire to burn more prosperous and more prosperous, cause heavy economic losses to country.
Summary of the invention
In order to solve existing problem in the existing technology, the invention provides a kind of hand-hydraulic gate valve, this gate valve specifically comprises: the hydraulic manual control unit that gate valve body, flashboard and valve rod are connected with valve rod; Said hydraulic manual control unit comprises: oil hydraulic cylinder, oil pipe, selector valve and Hydraulic actuator; Said Hydraulic actuator is connected with said oil hydraulic cylinder through the said oil pipe that links to each other with said selector valve, during use, drives the opening and closing of flashboard through hydraulic manual control unit.
Further, the oil hydraulic cylinder in the said hydraulic manual control unit is arranged on the upper end of gate valve body, and the upper end of said valve rod is fixedly connected with piston in the hydraulic manual control unit oil hydraulic cylinder.
Further, the two ends of said oil hydraulic cylinder are provided with two oil inlet holes respectively; One end of oil pipe links to each other with Hydraulic actuator, and said oil pipe is divided into two through behind the selector valve, links to each other with two oil inlet holes at said oil hydraulic cylinder two ends respectively.
Further, said Hydraulic actuator comprises, comprises casing, cylinder body, liquid inlet joint, bottom check valve, fluid joint, sidewall safety check, piston rod, flange, rocking bar, support block and two coupling shafts; Said cylinder body is arranged in the casing, and is fixed on the casing through the said flange that is arranged on the box cover; There is through hole the bottom surface of said cylinder body, in this through hole, and the arranged outside liquid inlet joint of cylinder body; Be provided with said bottom check valve in the cylinder body inboard; Also have through hole at cylinder body near the sidewall of bottom; At this place, hole; The cylinder body arranged outside has said fluid joint and said sidewall safety check; Said fluid joint links to each other with said oil pipe, and an end of said piston rod is arranged in the cylinder body, and its other end is connected with said rocking bar through a said coupling shaft; One end of said rocking bar is provided with handle, and the other end links to each other with said support block on being arranged on box cover through another said coupling shaft.
Further, said bottom check valve is identical with the structure of said sidewall safety check, and the lower end of said two safety check is a disk, and there is round table-like projection the centre.Around round table-like projection, also have some through holes, the bottom surface diameter of said round platform should be more than or equal to the through-hole diameter on said cylinder base and the sidewall, and the diameter of its upper bottom surface is less than the through-hole diameter on cylinder base and the sidewall.
Gate valve in the existing technology is installed handwheel in the present invention or position electronic, Pneumatic actuator is transformed into oil hydraulic cylinder, utilizes moving up and down of piston to drive the flashboard opening and closing of gate valve.And the hydraulic cylinder power source is a hand oil pump among the present invention, adopts the Closed Hydraulic transmission, and compact structure can be realized the emergency cut-off valve through evidence DN500 valve in 40 seconds, cuts off the pipeline source.When having an accident, for example oil plant is revealed, and can cut off the outflow of inflammable and explosive medium with valve closing in one minute, and the condition of a disaster can be effectively controlled.
Description of drawings
Fig. 1 is a hand-hydraulic gate valve structure schematic representation;
Fig. 2 is the whole sectional drawing of hand-hydraulic gate valve;
Fig. 3 a is the hydraulic manual control unit structural representation;
Fig. 3 b is the check valve structure schematic representation;
Fig. 4 is hydraulic cylinder structure formula intention.
Embodiment
As shown in Figure 1, the hand-hydraulic gate valve among the present invention comprises, gate valve 1 and the hydraulic manual control unit 3 that can drive the up-down of gate valve flashboard.Wherein gate valve 1 comprises: gate valve body 101, flashboard 102, valve rod 5.As shown in Figure 2, hydraulic manual control unit comprises, oil hydraulic cylinder 4, oil pipe 2, selector valve 7 and Hydraulic actuator 3.Oil hydraulic cylinder 4 links to each other with Hydraulic actuator 3 through oil pipe 2.
Like Fig. 1, shown in 2, the oil hydraulic cylinder 4 in the hydraulic manual control unit is provided with 3 in the upper end of gate valve body 101, and the upper end of valve rod 5 is fixedly connected with piston 403 in the hydraulic manual control unit oil hydraulic cylinder 4.The two ends of oil hydraulic cylinder 4 are provided with two oil inlet holes 401,402 respectively.One end of oil pipe 2 links to each other with Hydraulic actuator 3, also is provided with selector valve 7 on the oil pipe 2, and oil pipe 2 is divided into two 2a and 2b through behind the selector valve 7, and two oil inlet holes 401,402 at the two ends of oil hydraulic cylinder 4 link to each other respectively.
Shown in Fig. 3 a, 3b, Hydraulic actuator 3 comprises casing 301, cylinder body 303, liquid inlet joint 302, bottom check valve 304, fluid joint 305, sidewall safety check 306, piston rod 307, flange 309, rocking bar 311, support block 312 and two coupling shafts 313,314.Cylinder body 303 is arranged in the casing 301, and is fixed on the casing 301 through being arranged on the flange 309 that covers on the casing 301.There is through hole the bottom surface of cylinder body 303, in this through hole, and the arranged outside liquid inlet joint 302 of cylinder body 303; Be provided with bottom check valve 304 in the cylinder body inboard; On the sidewall of cylinder body 303, also have through hole near the bottom, at this place, hole, cylinder body 303 arranged outside have fluid joint 305 and sidewall safety check 306, and fluid joint 305 links to each other with oil pipe 2.One end of piston rod 307 is arranged in the cylinder body 303, and realizes liquid sealing through the O RunddichtringO 308 that is provided with above that with cylinder body 303 inwalls.The other end of piston rod 307 is connected with rocking bar 311 through coupling shaft 313.One end of rocking bar 311 is provided with handle, the other end through coupling shaft 314 be arranged on casing 301 on the support block 312 that covers link to each other.As shown in Figure 4, bottom check valve 304 and 306 structure are that the lower end is a disk, and there is round table-like projection the centre; Around round table-like projection, also have some through holes 315, the bottom surface diameter of round platform should be more than or equal to the through-hole diameter on cylinder base and the sidewall, and the diameter of its upper bottom surface is less than the through-hole diameter on cylinder base and the sidewall.
Like Fig. 2, shown in 4, valve rod 5 one ends are fixedly connected with flashboard, and the other end is fixedly connected with piston 403 in the oil hydraulic cylinder 4, and the oil inlet hole 401,402 on the oil hydraulic cylinder 4 links to each other with 2b respectively with through oil pipe 2a.Oil hydraulic cylinder 4 the other ends are provided with seal disc 404.
When opening gate valve, connect oil pipe 2a through selector valve 7, with drawing on the rocking bar 311 in the Hydraulic actuator 3, the liquid in the casing 301 enters into cylinder body 303 through the liquid entering hole 302 of cylinder body 303 bottoms.Then rocking bar 311 is pressed down, liquid descends bottom check valve 304 under the effect of piston rod 307 pressure very soon in the cylinder body 303, and bottom through-hole is sealed.Rocking bar 311 continues to press down; Because cylinder body 303 internal liquid pressure increase, and bottom through-hole has sealed, the sidewall safety check 306 on the sidewall is by jack-up; Liquid in the cylinder body 303 is forced out cylinder body 303 through the sidewall through hole; Form highly pressurised liquid, get into transport pipe 2, and flow to oil pipe 2a via selector valve 7.The highly pressurised liquid that is extruded by cylinder body 302 is through oil pipe 2a, and the inlet opening 401 through oil hydraulic cylinder 4 bottoms enters in the oil hydraulic cylinder, with piston 403 jack-up, is fixed on valve rod 5 on the piston 403 along with piston 403 moves upward, and can open valve.
During throttle down, connect oil pipe 2b through selector valve 7, the high pressure oil that is extruded by Hydraulic actuator 3 passes through the upper end oil inlet hole 402 entering oil hydraulic cylinders 4 of oil pipe 2b by oil hydraulic cylinder 4., move downward at the effect lower piston 403 of fluid pressure, drive valve rod 5 and move downward, gate valve 1 is closed.
Claims (4)
1. a hand-hydraulic gate valve comprises gate valve body, and flashboard and valve rod is characterized by, and also comprises the hydraulic manual control unit that is connected with valve rod; Said hydraulic manual control unit comprises:
Oil hydraulic cylinder, oil pipe, selector valve and Hydraulic actuator; Said Hydraulic actuator comprises casing, cylinder body, liquid inlet joint, bottom check valve, fluid joint, sidewall safety check, piston rod, flange, rocking bar, support block and two coupling shafts; Said cylinder body is arranged in the casing, and is fixed on the casing through the said flange that is arranged on the box cover; There is through hole the bottom surface of said cylinder body, in this through hole, and the arranged outside liquid inlet joint of cylinder body; Be provided with said bottom check valve in the cylinder body inboard; On the sidewall of cylinder body, also have through hole near the bottom; In this through hole; The cylinder body arranged outside has said fluid joint and said sidewall safety check; Said fluid joint links to each other with said oil pipe, and an end of said piston rod is arranged in the cylinder body, and its other end is connected with said rocking bar through a said coupling shaft; One end of said rocking bar is provided with handle, and the other end links to each other with said support block on being arranged on box cover through another said coupling shaft; Said Hydraulic actuator is connected with said oil hydraulic cylinder through the said oil pipe that links to each other with said selector valve; During use, drive the opening and closing of flashboard through hydraulic manual control unit.
2. according to the hand-hydraulic gate valve described in the claim 1, it is characterized by, the oil hydraulic cylinder in the said hydraulic manual control unit is arranged on the upper end of gate valve body, and the upper end of said valve rod is fixedly connected with piston in the hydraulic manual control unit oil hydraulic cylinder.
3. according to the hand-hydraulic gate valve described in the claim 1, it is characterized by, the two ends of said oil hydraulic cylinder are provided with two oil inlet holes respectively; One end of oil pipe links to each other with Hydraulic actuator, and said oil pipe is divided into two through behind the selector valve, links to each other with two oil inlet holes at said oil hydraulic cylinder two ends respectively.
4. according to the hand-hydraulic gate valve described in the claim 1, it is characterized by, said bottom check valve is identical with the structure of said sidewall safety check, and the lower end of said two safety check is a disk, and there is round table-like projection the centre; Around round table-like projection, also have some through holes, the bottom surface diameter of said round table-like projection is more than or equal to the through-hole diameter on said cylinder base and the sidewall, and the diameter of its upper bottom surface is less than the through-hole diameter on cylinder base and the sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102953494A CN101963236B (en) | 2010-09-28 | 2010-09-28 | Manual hydraulic gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102953494A CN101963236B (en) | 2010-09-28 | 2010-09-28 | Manual hydraulic gate valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101963236A CN101963236A (en) | 2011-02-02 |
| CN101963236B true CN101963236B (en) | 2012-01-18 |
Family
ID=43516243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102953494A Active CN101963236B (en) | 2010-09-28 | 2010-09-28 | Manual hydraulic gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101963236B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES1222069Y (en) * | 2018-08-10 | 2019-03-11 | Romero Cortes Olga | COMPREHENSIVE HYDRAULIC OIL OPERATION SET FOR VALVES |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2000799A1 (en) * | 1970-01-09 | 1971-07-15 | Kromschroeder Ag G | Valve with hydraulic braking device |
| DE3509980A1 (en) * | 1985-03-20 | 1986-09-25 | Robert Bosch Gmbh, 7000 Stuttgart | BRAKE VALVE |
| CN2042917U (en) * | 1989-01-07 | 1989-08-16 | 山东肥城矿务局科技处 | Manual hydraulic gate valve |
| CN2093933U (en) * | 1991-04-28 | 1992-01-22 | 瓯海县沙城机械阀门一厂 | Hydraulic gate valve with non-contact level-limit switch |
| CN201162841Y (en) * | 2008-02-28 | 2008-12-10 | 朱玉民 | Hydraulic closing and opening valve |
| CN201306149Y (en) * | 2008-12-01 | 2009-09-09 | 什邡慧丰采油机械有限责任公司 | Wellhead safety hydraulic cutoff device |
-
2010
- 2010-09-28 CN CN2010102953494A patent/CN101963236B/en active Active
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| Publication number | Publication date |
|---|---|
| CN101963236A (en) | 2011-02-02 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Owner name: JIANGSU SUYAN VALVE MACHINERY CO., LTD. Free format text: FORMER OWNER: HU JINMU Effective date: 20150824 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150824 Address after: 224500 Yancheng City Binhai County, Jiangsu Binhai Industrial Park District Road No. 2 Patentee after: Jiangsu Suyan Valve Machinery Co., Ltd. Address before: 100078 Beijing city Fengtai District Ka Yip Building Block A room 1705 Patentee before: Hu Jinmu |