CN205765967U - A kind of simple valve converting tool - Google Patents
A kind of simple valve converting tool Download PDFInfo
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- CN205765967U CN205765967U CN201620679489.4U CN201620679489U CN205765967U CN 205765967 U CN205765967 U CN 205765967U CN 201620679489 U CN201620679489 U CN 201620679489U CN 205765967 U CN205765967 U CN 205765967U
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- hydraulic cylinder
- crossbeam
- large flange
- converting tool
- simple valve
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Abstract
The utility model discloses a kind of simple valve converting tool, including the big four being connected to gas production wellhead, big four is provided with hanger, described big four is connected with gate valve by large flange, two root posts it are symmetrically fixed with on large flange, the center of large flange and gate valve is interspersed with the bott stick of the gas channel for blocking gas production wellhead, and the top of bott stick is provided with the hydraulic cylinder for holding out against bott stick.This utility model is simple and compact for structure, easy for installation, and secondary pressurized, sealing reliability improve, and operation instrument personnel reduce, the operating time is greatly shortened, and are obviously improved in work efficiency.
Description
Technical field
This utility model belongs to oil and gas exploitation technical field, is specifically related to a kind of simple valve converting tool.
Background technology
The valve technology that changes with pressure occupies positive consequence in oil and gas wellhead is safeguarded, gives and change valve in the case of with pressure
Bring many facilities.Due to the complexity of geology hole condition, cause the valve that changes with pressure also must solve many difficult problems.
The related tool changing valve with pressure in the market, due to the highest, volume is big, causes stability
Difference, the safety to site operation personnel is substantially reduced, and meanwhile, brings more lengthy and tedious work to workmen, adds
Engineering time, meanwhile, also cause many unsafe existence because of the uncertain factor of bottom.
Utility model content
The purpose of this utility model is to provide a kind of simple valve converting tool, scarce with overcome above-mentioned prior art to exist
Falling into, this utility model is simple and compact for structure, easy for installation, and secondary pressurized, sealing reliability improve, operation instrument personnel minimizing,
Operating time is greatly shortened, and is obviously improved in work efficiency.
For reaching above-mentioned purpose, this utility model adopts the following technical scheme that
A kind of simple valve converting tool, including being connected to the big four of gas production wellhead, is provided with hanger in big four, described greatly
Four-way is connected with gate valve by large flange, and large flange is symmetrically fixed with two root posts, and large flange is interspersed with the center of gate valve
For blocking the bott stick of the gas channel of gas production wellhead, the top of bott stick is provided with the hydraulic cylinder for holding out against bott stick.
Further, bott stick, the hydraulic push rod of hydraulic cylinder and large flange are centrally located on same centrage.
Further, bott stick includes that center pressure rod, the bottom of center pressure rod are interspersed in the centre bore of large flange
Or in hanger, and the bottom of center pressure rod is provided with crushing block, the top of center pressure rod is joined with the hydraulic push rod of hydraulic cylinder
Closing, the outer cover of center pressure rod is provided with between limit casing, and limit casing and crushing block and is provided with for sealing gas production wellhead
The Sealed adhesive bucket of gas channel.
Further, the top of center pressure rod is provided with the pressurizing nut that the hydraulic push rod with hydraulic cylinder coordinates.
Further, the top of crushing block and the bottom of limit casing are pyramidal structure.
Further, the upper and lower of limit casing be respectively provided with prevent limit casing play righting crossbeam and
Lock crossbeam, and the two ends of righting crossbeam and locking crossbeam are all fixed with column.
Further, righting crossbeam and locking crossbeam are by symmetrical two parts composition, righting crossbeam and locking crossbeam
Two parts are all connected by transom bolt and the nut that coordinates with it, and the two ends of righting crossbeam and locking crossbeam are all by limiting
Position nut is fixed with column.
Further, big four and large flange are connected by four-way bolt and the nut that coordinates with it, and column is by four
Logical bolt is fixed with large flange.
Further, being fixed with hydraulic cylinder fixed plate between the top of two root posts, hydraulic cylinder is fixed on hydraulic cylinder and fixes
On plate, and hydraulic cylinder fixed plate is provided with the through hole for the hydraulic push rod through hydraulic cylinder.
Further, the sealing flange at gate valve top is provided with the row pressure mouth for discharging gate valve internal pressure.
Compared with prior art, this utility model has a following useful technique effect:
This utility model utilizes effective combination of hydraulic cylinder, column and bott stick, utilizes the support of column effectively to control
The particular location of hydraulic cylinder；Effectively can apply a power on Impact direction with bott stick, make the bott stick can be tightr
Gluing, sealing face, ground, it is ensured that the reliability of sealing, simple and compact for structure, easy for installation, secondary pressurized, sealing reliability improve,
Operation instrument personnel reduce, the operating time is greatly shortened, and are obviously improved in work efficiency.
Further, bott stick includes center pressure rod, limit casing and Sealed adhesive bucket, hydraulic cylinder and center pressure rod
It is installed separately, uses pylon structure, it is ensured that hydraulic push rod center and limit casing are centrally located on same straight line, mutual the most not shadow
Ring, the most jointly act on, it is simple to connect hydraulic line, save the space that double acting is two-way, make structure more be compact, easy to operation,
It is provided with crushing block bottom the center pressure rod additionally installed in limit casing, can preferably apply again on the direction of stress
A power additionally, the deformation quantity making corrosion resistant seal glue bucket is more significantly, and sealing effectiveness also can be more preferable, can play dual fail-safe
Effect.
Further, the top of center pressure rod is provided with and pressurizing nut, and center pressure rod can be connect by pressurizing nut
By the pressure of hydraulic push rod, center pressure rod can also be locked by pressurizing nut so that it is will not lead because of the change of self air pressure
Cause pressure transient, and the blocking caused is unstable.
Further, the top of crushing block and the bottom of limit casing are pyramidal structure, with the Sealed adhesive bucket of double tapered
With the use of, can preferably play sealing effectiveness under stressing conditions.
Further, safety problem when changing valve can be prevented effectively from by arranging righting crossbeam and locking crossbeam, tear open
When unloading valve body, righting crossbeam is installed, utilize righting crossbeam that the position-limiting action of limit casing is made limit casing and extrusion head
Between Sealed adhesive bucket bearing strain, to play excellent sealing effect；And after valve body is dismantled, then install locking crossbeam, remove
Righting crossbeam, utilizes the locking crossbeam position-limiting action to limit casing, is made extrusion head and stop collar by gas well pressure itself
Pipe, by Sealed adhesive bucket pressurizing and deformation, plays certain sealing function；Secondly, under the effect of pressurizing nut, can produce one and
The active force that gas well pressure itself direction is consistent, acts on Sealed adhesive bucket again, makes glue bucket deform, and plays good sealing effect
Really, the deformation quantity of glue bucket can be made to settle out simultaneously, the state of whole sealing can be made to be in steady statue.So can be
Easily gate valve removed while ensureing safety and change.
Further, hydraulic cylinder and bott stick are independently installed, in the course of the work, if the consumable accessory of hydraulic cylinder damages
Bad, easy can change hydraulic cylinder, not affect construction.
Further, sealing flange is provided with the row pressure mouth for discharging gate valve internal gas, at blocking gas production wellhead oil
After gas passage, when removing gate valve, gate valve is internal also has certain pressure, and row pressure mouth can play the work of excretion inner chamber residual compression
With, it is to avoid dangerous.
Accompanying drawing explanation
Fig. 1 overall structure of the present utility model schematic diagram.
Wherein, 1, big four；2, hanger；3, four-way bolt；4, large flange；5, column；6, locking crossbeam；7, spacing spiral shell
Female；8, gate valve；9, sealing flange；10, row pressure mouth；11, righting crossbeam；12, transom bolt；13, pressurizing nut；14, hydraulic cylinder
Fixed plate；15, hydraulic cylinder；16, center pressure rod；17, limit casing；18, Sealed adhesive bucket；19, crushing block.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in further detail:
A kind of simple valve converting tool, including being connected to the big four 1 of gas production wellhead, is provided with hanger 2, institute in big four 1
State big four 1 to be connected with gate valve 8 by large flange 4, large flange 4 is symmetrically fixed with two root posts 5, big four 1 and large flange 4
Being connected by four-way bolt 3 and the nut that coordinates with it, column 5 is fixed with large flange 4 by four-way bolt 3, large flange 4 with
The center of gate valve 8 is interspersed with the bott stick of the gas channel for blocking gas production wellhead, and the top of bott stick is provided with for holding out against
The hydraulic cylinder 15 of bott stick, is fixed with hydraulic cylinder fixed plate 14 between the top of two root posts 5, hydraulic cylinder 15 is fixed on hydraulic cylinder
In fixed plate 14, and hydraulic cylinder fixed plate 14 is provided with the through hole for the hydraulic push rod through hydraulic cylinder 15, bott stick, hydraulic pressure
The hydraulic push rod of cylinder 15 and large flange 4 are centrally located on same centrage, and the sealing flange 9 at gate valve 8 top is provided with use
In the row pressure mouth 10 of discharge gate valve 8 internal gas, row pressure mouth 10 can connect Pressure gauge, sentence by observing pressure gauge reading
In disconnected gate valve 8, whether pressure releases.
Bott stick includes that center pressure rod 16, the bottom of center pressure rod 16 are interspersed in the centre bore of large flange 4 or outstanding
In hanging device, for blocking the defeated gas channel of gas production wellhead, and the bottom of center pressure rod 16 is provided with crushing block 19, pressurizes in center
The top of bar 16 coordinates with the hydraulic push rod of hydraulic cylinder 15, and the top of center pressure rod 16 is provided with and the hydraulic push rod of hydraulic cylinder 15
The pressurizing nut 13 coordinated, the outer cover of center pressure rod 16 is provided with limit casing 17, and limit casing 17 and crushing block 19 it
Between be provided with the Sealed adhesive bucket 18 of center oil transportation/pore for sealing large flange 4, and the top of crushing block 19 and limit casing 17
Bottom be pyramidal structure, the upper and lower of limit casing 17 is respectively provided with the righting preventing limit casing 17 play
Crossbeam 11 and locking crossbeam 6, and the two ends of righting crossbeam 11 and locking crossbeam 6 are all fixing with column 5, righting crossbeam 11 and locking
Crossbeam 6 by symmetrical two parts composition, two parts of righting crossbeam 11 and locking crossbeam 6 all by transom bolt 12 and with
Its nut coordinated connects, and the two ends of righting crossbeam 11 and locking crossbeam 6 are all fixed with column 5 by stop nut 7, and can
Up-down adjustment position on column 5.
Bott stick is parts, and limit casing 17 belongs to a bott stick part, and it and center pressure rod 16 have relative motion
A relation, i.e. when the limit casing 17 of bott stick is the most spacing, it is motionless, and center pressure rod 16 gas in well
Effect under, move upward, drive bottom it connect crushing block 19 compress cartridge 18, make cartridge 18 expand.
Below in conjunction with the accompanying drawings implementation process of the present utility model is described further:
1) this utility model is connected with the large flange 4 needing the gate valve 8 changed, in connection procedure, opens at row pressure mouth 10
Pass should be at full-gear, to release internal hemorrhage due to trauma gas, after bolt connects, closes and switchs at row pressure mouth 10.
2) wellhead sluice valve 8 is slowly opened, when observing sealing flange 9 part No leakage, standard-sized sheet gate valve 8；
3) with hydraulic cylinder 15 by under bott stick to design attitude in four-way, defined position, release pressure rod 16 top, center
The location of pressurizing nut 13, Sealed adhesive bucket 18 distending under the effect of gas pressure in well, seal up natural gas passage, then profit
With the cooperation of center pressure rod 16 and pressurizing nut 13 on the direction of natural gas active force, apply an active force, make sealing
The state of glue bucket 18 demi-inflation reaches certain steady statue；
4) test plugging effect: the row pressure mouth 10 on device for opening, releases the gas in device, with Pressure gauge inspection closure
Effect, if Pressure gauge keeps 0MPa, and can keep, it was demonstrated that the closure success of Sealed adhesive bucket 18, keeps 15 minutes, if no pressure
Display, can carry out next step operation；
5) bott stick righting crossbeam 11 is fixed, lay down the four-way bolt 3 between gate valve 8 and large flange 4, then, use
Hydraulic cylinder 15 acts on and being moved by gate valve 8, after certain distance；Locking is weighed 6 locking bott stick parts again, and it is logical that locking weighs 6
Cross stop nut 7 to be fixed together with column 5, dismantle gate valve 8, and the gate valve 8 more renewed.
6) completely close and newly change gate valve 8, open row pressure mouth 10, the natural gas in device is released, until Pressure gauge shows
For 0MPa, and keep 15 minutes, it was demonstrated that newly change gate valve 8 good seal；Unload whole valve converting tool again, recover gas wellhead equipment
Normal operation.
Claims (10)
1. a simple valve converting tool, it is characterised in that including the big four (1) being connected to gas production wellhead, big four sets in (1)
Having hanger (2), described big four (1) is connected with gate valve (8) by large flange (4), and large flange is symmetrically fixed with two on (4)
The center of column (5), large flange (4) and gate valve (8) is interspersed with the bott stick of the gas channel for blocking gas production wellhead, blocking
The top of bar is provided with the hydraulic cylinder (15) for holding out against bott stick.
The simple valve converting tool of one the most according to claim 1, it is characterised in that bott stick, the hydraulic pressure of hydraulic cylinder (15)
Push rod and large flange (4) are centrally located on same centrage.
The simple valve converting tool of one the most according to claim 1, it is characterised in that bott stick includes center pressure rod
(16), the bottom of center pressure rod (16) is interspersed in the centre bore of large flange (4) or in hanger (2), and center pressure rod
(16) bottom is provided with crushing block (19), and the top of center pressure rod (16) coordinates with the hydraulic push rod of hydraulic cylinder (15), center
The outer cover of pressure rod (16) is provided with between limit casing (17), and limit casing (17) and crushing block (19) and is provided with for sealing
The Sealed adhesive bucket (18) of the gas channel of gas production wellhead.
The simple valve converting tool of one the most according to claim 3, it is characterised in that the top of center pressure rod (16) is provided with
The pressurizing nut (13) coordinated with the hydraulic push rod of hydraulic cylinder (15).
The simple valve converting tool of one the most according to claim 3, it is characterised in that the top of crushing block (19) and stop collar
The bottom of pipe (17) is pyramidal structure.
The simple valve converting tool of one the most according to claim 3, it is characterised in that the upper and lower of limit casing (17)
Be respectively provided with prevent limit casing (17) play righting crossbeam (11) and locking crossbeam (6), and righting crossbeam (11) and
The two ends of locking crossbeam (6) are all fixed with column (5).
The simple valve converting tool of one the most according to claim 6, it is characterised in that righting crossbeam (11) and locking crossbeam
(6) by symmetrical two parts composition, righting crossbeam (11) and lock two parts of crossbeam (6) all by transom bolt (12) with
And the nut coordinated with it is connected, and the two ends of righting crossbeam (11) and locking crossbeam (6) are all by stop nut (7) and column
(5) fixing.
The simple valve converting tool of one the most according to claim 1, it is characterised in that big four (1) passes through with large flange (4)
Four-way bolt (3) and the nut coordinated with it are connected, and column (5) is fixed with large flange (4) by four-way bolt (3).
The simple valve converting tool of one the most according to claim 1, it is characterised in that solid between the top of two root posts (5)
Surely hydraulic cylinder fixed plate (14), hydraulic cylinder (15) is had to be fixed in hydraulic cylinder fixed plate (14), and in hydraulic cylinder fixed plate (14)
It is provided with the through hole for the hydraulic push rod through hydraulic cylinder (15).
The simple valve converting tool of one the most according to claim 1, it is characterised in that the sealing flange at gate valve (8) top
(9) the row pressure mouth (10) for discharging gate valve (8) internal pressure it is provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679489.4U CN205765967U (en) | 2016-06-30 | 2016-06-30 | A kind of simple valve converting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620679489.4U CN205765967U (en) | 2016-06-30 | 2016-06-30 | A kind of simple valve converting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205765967U true CN205765967U (en) | 2016-12-07 |
Family
ID=58126286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620679489.4U Active CN205765967U (en) | 2016-06-30 | 2016-06-30 | A kind of simple valve converting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205765967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945868A (en) * | 2016-06-30 | 2016-09-21 | 西安东新石油设备厂有限公司 | Simple valve replacing tool |
-
2016
- 2016-06-30 CN CN201620679489.4U patent/CN205765967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105945868A (en) * | 2016-06-30 | 2016-09-21 | 西安东新石油设备厂有限公司 | Simple valve replacing tool |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |