CN204140921U - Be applicable to the ultrahigh pressure hydraulic valve of 20000psi - Google Patents
Be applicable to the ultrahigh pressure hydraulic valve of 20000psi Download PDFInfo
- Publication number
- CN204140921U CN204140921U CN201420606941.5U CN201420606941U CN204140921U CN 204140921 U CN204140921 U CN 204140921U CN 201420606941 U CN201420606941 U CN 201420606941U CN 204140921 U CN204140921 U CN 204140921U
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- valve
- valve body
- bonnet
- flashboard
- 20000psi
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Abstract
The utility model discloses a kind of ultrahigh pressure hydraulic valve being applicable to 20000psi, comprise hydraulic unit driver assembly and valve body, hydraulic unit driver assembly comprises oil hydraulic cylinder, piston, upper cylinder cover and lower cylinder cap, piston is connected with a valve rod, valve rod lower end is connected with a flashboard, runner and hollow cavity is provided with in valve body, valve body is built with two valve seats, flashboard is arranged between two valve seats, valve body upper end is connected with a bonnet, valve body lower end is connected with a bottom flange, valve rod is arranged in lower cylinder cap successively, bonnet and valve body, the lower end of flashboard is connected with a foot piece, foot piece is arranged in bottom flange, and the bottom of this foot piece is provided with tail rod catcher, the sealing surface of flashboard and the sealing surface of valve seat are equipped with high hardness alloy layer, flexible-lip accumulation of energy seal ring is provided with between valve seat and valve body, stainless steel gasket ring is respectively equipped with between valve body and bonnet and bottom flange.The utility model has the feature of heavy caliber and huge discharge, can implement ultrahigh pressure pressure break, convenient and swift, safe and effective.
Description
Technical field
The utility model relates to petroleum gas drilling field of engineering technology, is particularly applied to a kind of ultrahigh pressure hydraulic valve being applicable to 20000psi in this field.
Background technique
On ground, high-pressure service pump group by high-viscous liquid to substantially exceed in the discharge capacity Injection Well of formation absorption ability, high pressure has been suppressed in shaft bottom, when this pressure is greater than crustal stress and the formation rock tensile breaking strength of Around A Borehole, just stratum generation crack near shaft bottom, continue to inject the sandy liquid with proppant, crack extending forwards is also filled out with proppant, after closing well, crack closure is on proppant, thus near shaft bottom, stratum forms the sand packed fracture with certain physical dimension and high flow conductivity, makes well reach increasing yield and injection object.The gate valve bore of current use is little and discharge capacity is little, and the pressure that can bear is little, and poor sealing performance easily produces leakage.
Model utility content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of ultrahigh pressure hydraulic valve being applicable to 20000psi, and this ultrahigh pressure hydraulic valve bore is large, discharge capacity large, use safety, convenience, and long service life.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions: a kind of ultrahigh pressure hydraulic valve being applicable to 20000psi, comprise hydraulic unit driver assembly and valve body, described hydraulic unit driver assembly comprises oil hydraulic cylinder, be positioned at the piston of oil hydraulic cylinder, be installed on the upper cylinder cover on oil hydraulic cylinder top and be installed on the lower cylinder cap of cylinder lower, described piston is connected with a valve rod, the lower end of valve rod is connected with a flashboard, runner is horizontally arranged with in described valve body, be vertically arranged with in valve body and intersect the hollow cavity communicated with described runner, two valve support chamber relative to the axisymmetrical of hollow cavity are provided with in described valve body, in two valve support chamber of valve body, a valve seat is respectively housed, laterally the valve base channel communicated with described runner is provided with in valve seat, described flashboard is arranged between two valve seats, the upper end of valve body is connected with a bonnet, the lower end of valve body is connected with a bottom flange, described bonnet connects with described lower cylinder cap, described valve rod is arranged in lower cylinder cap successively, bonnet and valve body, the lower end of described flashboard is connected with a foot piece, this foot piece is arranged in described bottom flange, and the bottom of this foot piece is provided with tail rod catcher,
Described flashboard coordinates with valve base sealing, and the sealing surface of flashboard and the sealing surface of valve seat are equipped with high hardness alloy layer;
Flexible-lip accumulation of energy seal ring is provided with between described valve seat and valve body;
Stainless steel gasket ring is respectively equipped with between the upper end of described valve body and bonnet and between the lower end of described valve body and bottom flange.
Further, flexible-lip accumulation of energy seal ring is equipped with between the radial outside of described valve seat and valve body and between the radially inner side of valve seat and valve body.
Further, spring energy-storage circle and PTFE filler is provided with between described valve rod and bonnet.
Further, the top of the PTFE filler be provided with between described valve rod and bonnet is provided with Gland.
Further, spring energy-storage circle and PTFE filler is provided with between described foot piece and bottom flange.
Further, described bonnet is provided with pressure Decompression valves.
Further, the lower outside of described valve rod is provided with dunnage.
Further, guard shield is set with outside described tail rod catcher.
The beneficial effects of the utility model are: the utility model adopts hydraulic drive valve, makes flashboard up, until close.The sealing surface of flashboard and valve seat is provided with high hardness alloy layer, thus forms stiff dough sealing between flashboard and valve seat, good sealing effect, and sealability is reliable; Be provided with flexible-lip accumulation of energy seal ring between valve seat and valve body, the object of sand control, resistance dirt can be reached, the sealing surface of protection flashboard and valve seat further; Stainless steel gasket ring is respectively equipped with, the sealing under guarantee high-pressure situations between valve body and valve gap between the upper end of valve body and bonnet and between the lower end of valve body and bottom flange; Be provided with spring energy-storage circle and PTFE filler between valve rod and bonnet, and between foot piece and bottom flange, be also provided with spring energy-storage circle and PTFE filler, object that is wear-resisting, withstand voltage and oil resistant can be reached, guarantee zero leakage.The utility model has the feature of heavy caliber and huge discharge, can implement ultrahigh pressure pressure break, convenient and swift, safe and effective.
Accompanying drawing explanation
Fig. 1 is side view of the present utility model.
Fig. 2 is the sectional view along A-A line in Fig. 1.
Fig. 3 is the enlarged diagram of part B in Fig. 2.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
As shown in Figure 1 to Figure 3, a kind of ultrahigh pressure hydraulic valve being applicable to 20000psi, comprise hydraulic unit driver assembly and valve body 5, described hydraulic unit driver assembly comprises oil hydraulic cylinder 1, be positioned at the piston 2 of oil hydraulic cylinder 1, be installed on the upper cylinder cover 3 on oil hydraulic cylinder 1 top and be installed on the lower cylinder cap 4 of oil hydraulic cylinder 1 bottom, described piston 2 is connected with a valve rod 6, the lower end of valve rod 6 is connected with a flashboard 8, runner 501 is horizontally arranged with in described valve body 5, be vertically arranged with in valve body 5 and intersect the hollow cavity 502 communicated with described runner 501, two valve support chamber relative to the axisymmetrical of hollow cavity 502 are provided with in described valve body 5, in two valve support chamber of valve body 5, a valve seat 7 is respectively housed, laterally the valve base channel 701 communicated with described runner 501 is provided with in valve seat 7, what described flashboard 8 can vertically move is arranged between two valve seats 7, the upper end of valve body 5 is connected with a bonnet 9, the lower end of valve body 5 is connected with a bottom flange 10, described bonnet 9 connects with described lower cylinder cap 4, described valve rod 6 is arranged in lower cylinder cap 4 successively, bonnet 9 and valve body 5, the lower end of described flashboard 8 is connected with a foot piece 11, this foot piece 11 is arranged in described bottom flange 10, and the bottom of this foot piece 11 is provided with tail rod catcher 12,
Described flashboard 8 is sealed and matched with valve seat 7, and the sealing surface of flashboard 8 and the sealing surface of valve seat 7 are equipped with high hardness alloy layer;
Flexible-lip accumulation of energy seal ring 13 is provided with between described valve seat 7 and valve body 5;
Stainless steel gasket ring 14 is respectively equipped with between the upper end of described valve body 5 and 9 of bonnet and between the lower end of described valve body 5 and bottom flange 10.
Furtherly, flexible-lip accumulation of energy seal ring 13 is equipped with between the radial outside of valve seat 7 and valve body 5 and between the radially inner side of valve seat 7 and valve body 5.
Be provided with spring energy-storage circle 17 and PTFE filler between valve rod 6 and bonnet 9, between foot piece 11 and bottom flange 10, be also provided with spring energy-storage circle 17 and PTFE filler, thus object that is wear-resisting, withstand voltage and oil resistant can be reached, guarantee zero leakage.The top of the PTFE filler be provided with between valve rod 6 and bonnet 9 is provided with Gland 15.
Bonnet 9 is provided with pressure Decompression valves 18, can carry out pressure release to gate valve.
Furtherly, the lower outside of valve rod 6 is provided with dunnage 16, plays a supporting role to the motion of valve rod 6 and flashboard 8.
Furtherly, guard shield 19 is set with outside tail rod catcher 12.
In addition, bonnet 9, bottom flange 10 and valve body 5 are equipped with oil gun 20; O type circle and back-up ring is equipped with, to increase sealing between piston 2 and oil hydraulic cylinder 1, between upper cylinder cover 3 and oil hydraulic cylinder 1 and between lower cylinder cap 4 and oil hydraulic cylinder 1.
The open operation of gate valve is by hydraulic control.Hydraulic oil acts on the piston 2 in oil hydraulic cylinder 1, and band ovable valve stem 6 and flashboard 8 move, and the flashboard passage on flashboard 8 is communicated with the runner 501 of valve body 5, thus opens gate valve.Under normal conditions, the flashboard 8 of gate valve is in an open position, once carry out build the pressure operation or maintenance, flashboard 8 need cut out, hydraulic oil enters from lower cylinder cap 4 oil port, acts on piston 2 with the pressure being no more than 1500psi, promote valve rod 6, flashboard 8 and foot piece 11 up, until flashboard 8 covers the sealing surface of the valve seat 7 in sealing downstream completely, under the effect of upstream pressure medium, fit tightly between flashboard 8 and valve seat 7 and between valve seat 7 and valve body 1.Due to the sealing surface of flashboard 8 and the sealing surface of valve seat 7 being equipped with high hardness alloy layer, thus the good sealing effect of flashboard 8 and valve seat 7, sealability is reliable; Be provided with flexible-lip accumulation of energy seal ring 13 between valve seat 7 and valve body 1, the object of sand control, resistance dirt can be reached, the sealing surface of protection flashboard 8 and valve seat 7 further; Stainless steel gasket ring 14 is respectively equipped with, the sealing under guarantee high-pressure situations between valve body and valve gap between the upper end of valve body 5 and bonnet 9 and between the lower end of valve body 5 and bottom flange 10; Be provided with spring energy-storage circle 17 and PTFE filler between valve rod 6 and bonnet 9, and between foot piece 11 and bottom flange 10, be also provided with spring energy-storage circle 17 and PTFE filler, object that is wear-resisting, withstand voltage and oil resistant can be reached, guarantee zero leakage.Ultrahigh pressure hydraulic valve of the present utility model goes for the operating mode of hyperpressure 20000psi.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. one kind is applicable to the ultrahigh pressure hydraulic valve of 20000psi, it is characterized in that: comprise hydraulic unit driver assembly and valve body, described hydraulic unit driver assembly comprises oil hydraulic cylinder, be positioned at the piston of oil hydraulic cylinder, be installed on the upper cylinder cover on oil hydraulic cylinder top and be installed on the lower cylinder cap of cylinder lower, described piston is connected with a valve rod, the lower end of valve rod is connected with a flashboard, runner is horizontally arranged with in described valve body, be vertically arranged with in valve body and intersect the hollow cavity communicated with described runner, two valve support chamber relative to the axisymmetrical of hollow cavity are provided with in described valve body, in two valve support chamber of valve body, a valve seat is respectively housed, laterally the valve base channel communicated with described runner is provided with in valve seat, described flashboard is arranged between two valve seats, the upper end of valve body is connected with a bonnet, the lower end of valve body is connected with a bottom flange, described bonnet connects with described lower cylinder cap, described valve rod is arranged in lower cylinder cap successively, bonnet and valve body, the lower end of described flashboard is connected with a foot piece, this foot piece is arranged in described bottom flange, and the bottom of this foot piece is provided with tail rod catcher,
Described flashboard coordinates with valve base sealing, and the sealing surface of flashboard and the sealing surface of valve seat are equipped with high hardness alloy layer;
Flexible-lip accumulation of energy seal ring is provided with between described valve seat and valve body;
Stainless steel gasket ring is respectively equipped with between the upper end of described valve body and bonnet and between the lower end of described valve body and bottom flange.
2. the ultrahigh pressure hydraulic valve being applicable to 20000psi according to claim 1, is characterized in that: be equipped with flexible-lip accumulation of energy seal ring between the radial outside of described valve seat and valve body and between the radially inner side of valve seat and valve body.
3. the ultrahigh pressure hydraulic valve being applicable to 20000psi according to claim 1, is characterized in that: be provided with spring energy-storage circle and PTFE filler between described valve rod and bonnet.
4. the ultrahigh pressure hydraulic valve being applicable to 20000psi according to claim 3, is characterized in that: the top of the PTFE filler be provided with between described valve rod and bonnet is provided with Gland.
5. the ultrahigh pressure hydraulic valve being applicable to 20000psi according to claim 1, is characterized in that: be provided with spring energy-storage circle and PTFE filler between described foot piece and bottom flange.
6. the ultrahigh pressure hydraulic valve being applicable to 20000psi according to claim 1, is characterized in that: described bonnet is provided with pressure Decompression valves.
7. the ultrahigh pressure hydraulic valve being applicable to 20000psi according to claim 1, is characterized in that: the lower outside of described valve rod is provided with dunnage.
8. the ultrahigh pressure hydraulic valve being applicable to 20000psi according to claim 1, is characterized in that: be set with guard shield outside described tail rod catcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606941.5U CN204140921U (en) | 2014-10-21 | 2014-10-21 | Be applicable to the ultrahigh pressure hydraulic valve of 20000psi |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420606941.5U CN204140921U (en) | 2014-10-21 | 2014-10-21 | Be applicable to the ultrahigh pressure hydraulic valve of 20000psi |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204140921U true CN204140921U (en) | 2015-02-04 |
Family
ID=52417606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420606941.5U Active CN204140921U (en) | 2014-10-21 | 2014-10-21 | Be applicable to the ultrahigh pressure hydraulic valve of 20000psi |
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| Country | Link |
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| CN (1) | CN204140921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825576A (en) * | 2018-07-02 | 2018-11-16 | 长沙理工大学 | A kind of operation method of control pressurer system |
-
2014
- 2014-10-21 CN CN201420606941.5U patent/CN204140921U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825576A (en) * | 2018-07-02 | 2018-11-16 | 长沙理工大学 | A kind of operation method of control pressurer system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230320 Address after: No. 16, Xihenggang Street, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Dawson Drilling and Production Equipment Co.,Ltd. Address before: 215137 Xingtai Road, Taiping Town, Xiangcheng District, Suzhou City, Jiangsu Province Patentee before: SUZHOU DOUSON DRILLING & PRODUCTION EQUIPMENT Co.,Ltd. |
|
| TR01 | Transfer of patent right |