CN202125268U - Sleeve tube pressure valve replacing mechanical device - Google Patents
Sleeve tube pressure valve replacing mechanical device Download PDFInfo
- Publication number
- CN202125268U CN202125268U CN2011202612235U CN201120261223U CN202125268U CN 202125268 U CN202125268 U CN 202125268U CN 2011202612235 U CN2011202612235 U CN 2011202612235U CN 201120261223 U CN201120261223 U CN 201120261223U CN 202125268 U CN202125268 U CN 202125268U
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- link
- valve
- hydraulic jack
- mechanical device
- connecting parts
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Abstract
The utility model discloses a sleeve tube pressure valve replacing mechanical device, which is characterized in that: the device comprises a hydraulic cylinder and four connecting parts; these connecting parts are provided with fitting parts connected with valve flange; the connecting parts are connected with the valve flange in a manner that: the first and second connecting parts are connected with flanges at both ends of a first valve respectively; the third and fourth connecting parts are connected with flanges at both ends of the first valve respectively; the hydraulic cylinder is mounted on the first connecting part; other connecting parts are provided with fitting parts of the hydraulic cylinder; and the hydraulic cylinder drives the first to fourth connecting parts to move. The device can replace valve through a hydraulic machine to prevent the operators from entering in dangerous region in the operation so as to effectively avoid danger, and the whole set of the device is accurate to position and stable to run, so that the field operation of replacing main control valve under pressure is safer and more reliable.
Description
Technical field
The utility model relates to the more changing device of the main control valve of well head production tree, particularly a kind ofly is used for the mechanical erecting device that replace with pressure sleeve pipe main control valve is used.
Background technology
The well head production tree that petroleum works are on-the-spot, the method that when changing well-head valve, adopts usually is: after blanking plug is put into the precalculated position, remove all devices that blanking plug is later, change the valve operation then.What when changing valve, adopt is that total man worker's mode is dismantled valve; So, might be in the process of dismounting valve because of reasons such as misoperations, the afterbody of causes valve door knob and blanking plug; Influence the usefulness of blanking plug seat envelope; Have great potential safety hazard, blowout might occur, causing danger leads to a disaster.
The utility model content
The purpose of the utility model is: the mode of leaning on manual work to lift entirely when solving well head production tree replace with pressure oil pipe main control valve is dismantled the drawback with mounted valve, has proposed a kind of pipe racks pressure of overlapping and has changed the valve mechanical device and dismantle the device with mounted valve.
The supplementary technology scheme of the utility model is following:
A kind of cover pipe racks is pressed and is changed the valve mechanical device; It is characterized in that: said device comprises hydraulic jack and four links; Has the mating part that is connected with valve flanges on these links; The annexation of link and valve flanges is: first link is connected with first valve, two end flanges respectively with second link, and the 3rd link is connected with first valve, two end flanges respectively with the 4th link, and hydraulic jack is installed on first link; On other links, be provided with the mating part with hydraulic jack, hydraulic jack drives first link, second link with respect to the 3rd link, the motion of the 4th link.
Preferably, first link, second link, the 3rd link and the 4th link are arranged in order, and wherein second link and the 3rd link are that clamp or several clamps with opening removably are spliced to form.
Preferably, first link and the 4th link are the monoblock clamps, around the center, along the circumferential direction are provided with the hole that is used to pass bolt valve flanges face on the clamp.
Preferably, in second link be that several clamps removably are spliced to form, the 3rd link is the clamp with opening.
Preferably, said hydraulic jack is 4, is divided into 2 groups, and the hydraulic jack that is in diagonal position is a same group of identical hydraulic jack of motion mode.
Preferably, first link, second link cooperate with the cylinder body of hydraulic jack, and the 3rd link, the 4th link cooperate with the hydraulic stem of hydraulic jack.
The beneficial effect of the utility model is: when getting old valve, adopt mechanical system that old valve body is separated with production tree; When new valve is installed, adopt mechanical system that new valve is sent into the precalculated position.Make operating personnel can avoid the deathtrap in the operation, effectively avoid dangerous and take place, and the package unit accurate positioning, operate steadily, make the construction operation of replace with pressure main control valve more safe and reliable.
Description of drawings
The utility model will explain through example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the sketch map of the utility model embodiment first link.
Fig. 2 is the sketch map of the utility model embodiment second link.
Fig. 3 is the sketch map of the utility model embodiment the 3rd link.
Fig. 4 is the sketch map of the utility model embodiment the 4th link.
Fig. 5 is the sketch map that changes the preceding the utility model erecting device of valve.
Fig. 6 is a main control valve and work sketch map after the casing head upper flange separates.
The specific embodiment
The specific embodiment 1 of the utility model; Extremely shown in Figure 6 like Fig. 1; A kind of cover pipe racks is pressed and is changed the valve mechanical device, comprises 4 hydraulic jacks and first link (fixing chuck plate 5), second link (fixing chuck plate 6), the 3rd link (fixing chuck plate 7), the 4th link (fixing chuck plate 8) that cooperate with it.
Further specify combining to change the concrete structure and the working method of valve process below present embodiment.When changing well head and recover the oil No. 2 valves 93 of (gas) tree, will locate and fixing chuck plate 5 is connected with the outer flange of No. 3 valves 95 with bolt, its mesopore 52 cooperates with valve port, and aperture 53 is used to pass bolt flange face, and securing member 54 is used to install fluid cylinder; To locate and fixing chuck plate 6 is fixed in No. 3 valves 95 on the side flange cylindricals; Wherein clamp 6 is made up of 2 open clamp splicings; Fixing with bolt 62, form hole 63 in the middle of 2 clamp splicing backs, be used for cooperating with the periphery of valve flanges; Bolt 64 is used for the periphery of fastening valve flanges, and hole 65 is used to install fluid cylinder; Four fluid cylinders (1,2,3,4) are installed then, then will be located and fixing chuck plate 7 is fixed on a pair of be used to the to push fluid cylinder 2 of No. 2 valves 93 and the liquid bar of fluid cylinder 4, with bolt 72 pinch valves, securing member 73 is used to install the liquid bar; Centre bore 82 on the fixing chuck plate 8 cooperates with valve port, then passes hole 83 with bolt again the outer flange of fixing chuck plate 8 with No. 2 valves 93 is connected, and is used for cooperating with the liquid bar of fluid cylinder 2 and fluid cylinder 4 with hole 84 at last.
Get valve: after device installs; Suppress to fluid cylinder 2 and fluid cylinder 4, its liquid bar is outwards moved, drive location and fixing chuck plate 7 and outwards move with location and fixing chuck plate 8; No. 2 valves 93 are separated with casing head 10, and dismantle location and fixing chuck plate 7 take off No. 2 valves 93 with location and fixing chuck plate 8.
Dress valve: at first will locate and fixing chuck plate 7 is fixed on a pair of fluid cylinder 2 and the fluid cylinder 4 that is used to push No. 2 valves 93; To locate then and fixing chuck plate 8 is fixed on a pair of liquid bar that is used to push No. 2 valves 93; With bolt No. 2 new valves 93 are fixed on location and the fixing chuck plate 4 at last, suppress, its liquid bar is inwardly moved to fluid cylinder 2 and fluid cylinder 4; Driving location and fixing chuck plate 7 inwardly moves with location and fixing chuck plate 8; Make No. 2 valves 93 be in binding site, adorn the set bolt of No. 2 valves 93, accomplish the dress valve with casing head 10.
Similarly the step of No. 3 valves 95 of dismounting is identical with above-mentioned steps, and just direction is different.
Disclosed all characteristics in this manual, or the step in disclosed all methods or the process except mutually exclusive characteristic and/or the step, all can make up by any way.
Disclosed arbitrary characteristic in this manual (comprising any accessory claim, summary and accompanying drawing) is only if special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, only if special narration, each characteristic is an example in a series of equivalences or the similar characteristics.
The utility model is not limited to the aforesaid specific embodiment.The utility model expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (6)
1. a cover pipe racks is pressed and is changed the valve mechanical device; It is characterized in that: said device comprises hydraulic jack and four links; Has the mating part that is connected with valve flanges on these links; The annexation of link and valve flanges is: first link is connected with first valve, two end flanges respectively with second link; The 3rd link is connected with first valve, two end flanges respectively with the 4th link; Hydraulic jack is installed on first link, on other links, is provided with the mating part with hydraulic jack, and hydraulic jack drives first link, second link with respect to the 3rd link, the motion of the 4th link.
2. cover pipe racks according to claim 1 is pressed and is changed the valve mechanical device; It is characterized in that: first link, second link, the 3rd link and the 4th link are arranged in order, and wherein second link and the 3rd link are that clamp or several clamps with opening removably are spliced to form.
3. cover pipe racks according to claim 2 is pressed and is changed the valve mechanical device, and it is characterized in that: first link and the 4th link are the monoblock clamps, around the center, along the circumferential direction is provided with the hole that is used to pass bolt valve flanges face on the clamp.
4. press according to claim 2 or 3 described cover pipe racks and change the valve mechanical device, it is characterized in that: in second link be that several clamps removably are spliced to form, the 3rd link is the clamp with opening.
5. cover pipe racks according to claim 4 is pressed and is changed the valve mechanical device, and it is characterized in that: said hydraulic jack is 4, is divided into 2 groups, and the hydraulic jack that is in diagonal position is a same group of identical hydraulic jack of motion mode.
6. cover pipe racks according to claim 5 is pressed and is changed the valve mechanical device, and it is characterized in that: first link, second link cooperate with the cylinder body of hydraulic jack, and the 3rd link, the 4th link cooperate with the hydraulic stem of hydraulic jack.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202612235U CN202125268U (en) | 2011-07-22 | 2011-07-22 | Sleeve tube pressure valve replacing mechanical device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011202612235U CN202125268U (en) | 2011-07-22 | 2011-07-22 | Sleeve tube pressure valve replacing mechanical device |
Publications (1)
Publication Number | Publication Date |
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CN202125268U true CN202125268U (en) | 2012-01-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2011202612235U Expired - Lifetime CN202125268U (en) | 2011-07-22 | 2011-07-22 | Sleeve tube pressure valve replacing mechanical device |
Country Status (1)
Country | Link |
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CN (1) | CN202125268U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103573201A (en) * | 2013-11-06 | 2014-02-12 | 中国石油天然气集团公司 | Expansion core type mechanical device for replacing valve under pressure |
-
2011
- 2011-07-22 CN CN2011202612235U patent/CN202125268U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103573201A (en) * | 2013-11-06 | 2014-02-12 | 中国石油天然气集团公司 | Expansion core type mechanical device for replacing valve under pressure |
CN103573201B (en) * | 2013-11-06 | 2016-07-06 | 中国石油天然气集团公司 | Core expansion type machinery is with pressure changes valve gear |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SICHUAN HUAYU PETROLEUM DRILLING EQUIPMENT CO., LT Free format text: FORMER NAME: LUZHOU CHUANYOU DRILL + PRODUCTION EQUIPMENT CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 646006, 78, North Street, madder street, Sichuan, Luzhou Patentee after: SICHUAN HWAYOO PETROLEUM DRILLING & PRODUCTION CO., LTD. Address before: 646006, 78, North Street, madder street, Sichuan, Luzhou Patentee before: Luzhou Chuanyou Driling Equipment Co.,Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120125 |