CN204532196U - Pull-up switch - Google Patents

Pull-up switch Download PDF

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Publication number
CN204532196U
CN204532196U CN201520110837.1U CN201520110837U CN204532196U CN 204532196 U CN204532196 U CN 204532196U CN 201520110837 U CN201520110837 U CN 201520110837U CN 204532196 U CN204532196 U CN 204532196U
Authority
CN
China
Prior art keywords
track
main body
pressure relief
gliding groove
switch main
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520110837.1U
Other languages
Chinese (zh)
Inventor
王书慧
管九洲
杨艳辉
杨国利
李良
向峥
万红梅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Petrochina Co Ltd
Original Assignee
Petrochina Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Petrochina Co Ltd filed Critical Petrochina Co Ltd
Priority to CN201520110837.1U priority Critical patent/CN204532196U/en
Application granted granted Critical
Publication of CN204532196U publication Critical patent/CN204532196U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a lifting switch, which comprises a switch body, a first pressure relief opening is arranged on the switch body; the lower end of the switch body is provided with a rail pin; the sealing joint is slidably arranged in the switch body and is provided with a second pressure relief opening; the track body is connected with the sealing joint, a plurality of connected tracks are arranged on the outer wall of the track body along the circumferential direction, the track pins are arranged in the tracks in a sliding manner, each track comprises a first lower sliding groove, a first upper sliding groove and a second lower sliding groove which are sequentially arranged along the circumferential direction, and the first upper sliding groove is connected between the lower end of the first lower sliding groove and the upper end of the second lower sliding groove; the first pressure relief opening is communicated with the second pressure relief opening when the rail pin is positioned at the upper end of the first lower chute; the righting groove is arranged on the outer wall of the switch body and provided with a plurality of elastic supporting pieces, and righting blocks are arranged on the elastic supporting pieces in a pressing mode. The phenomenon of sealing failure caused by impact deformation is overcome by arranging the centering block supported by the elastic supporting piece.

Description

Lift switch
Technical field
The utility model relates to casing shaping field, especially, relates to a kind of lift switch.
Background technology
At present, the sleeve pipe of oil-water well due to the motion on stratum and workmanship factor, inevitably also exists casing deformation in the long-term course of work, thus affects profit and produce normally.Mainly take overhaul or milling when casing deformation or rush the modes such as swollen, not only complicated construction technique, but also due to comparatively large to the mechanical wounding of sleeve pipe, causing the success rate of construction lower.And hydraulic pressure casing swage is a kind of desirable shaping methods, it makes some major repair projects become light maintenance project, its activity duration is short, site operation personnel's labour intensity is low, but its lift switch exists certain technological deficiency, sometimes may there is poorly sealed or seal section when being exactly and to be occurred by the phenomenon that foreign matter blocks thus the situation causing operation failure or task difficulty to increase occurs.
Utility model content
The utility model object is to provide a kind of lift switch, to solve because the collision deformation in use procedure causes poorly sealed technical problem.
Above-mentioned purpose of the present utility model can adopt following technical proposal to realize:
The utility model provides a kind of lift switch, comprises Switch main body, is provided with the first pressure relief opening; The lower end of Switch main body is provided with track pin; Sealing section, is slidably disposed in Switch main body, sealing section is provided with the second pressure relief opening; Track body, it is connected with sealing section, the outer wall of track body is along the circumferential direction provided with multiple track be connected, track pin is slidably arranged in orbit, track comprises the first gliding groove, the first upper hopper chute and the second gliding groove that along the circumferential direction set gradually, and the first upper hopper chute is connected between the lower end of the first gliding groove and the upper end of the second gliding groove; Track pin is under the state of the upper end of the first gliding groove, and the first pressure relief opening is connected with the second pressure relief opening; Righting trough, is arranged on the outer wall of Switch main body, and righting trough is provided with multiple elastic supporting member for supporting optical member, and multiple elastic supporting member for supporting optical member has been installed with wiper block.
Further, sealing section is provided with the gas pressure relief slot be connected with the second pressure relief opening.
Further, lift switch also comprises the first pressure ring, and it is connected with righting trough, and the first pressure ring is pressed on the end of wiper block.
Further, lift switch also comprises the second pressure ring, and the second pressure ring stretches in Switch main body, and track pin is arranged on the second pressure ring and stretches out in the part of Switch main body, and the axes normal of track pin and Switch main body is arranged.
Further, be connected by lead-over groove between the first gliding groove of each track and the second gliding groove of adjacent orbit.
Further, first gliding groove has the first axial slide and the first oblique chute that are connected, second gliding groove has the second axial slide and the second oblique chute that are connected, first upper hopper chute is connected between the first oblique chute and the second axial slide, and the second axial slide and the first axial slide be arranged in parallel.
Further, elastic supporting member for supporting optical member is spring.
Further, the upper end of Switch main body is connected with top connection.
Further, the link of Switch main body and top connection compresses and is provided with screen pack.
Feature of the present utility model and advantage are:
By arranging the wiper block that elastic supporting member for supporting optical member supports outside Switch main body, the impact on Switch main body is clashed in reduction work, under guarantee realizes its normal function situation, can overcome tradition lift switch in use easily occurs because collision deformation causes the phenomenon of seal failure, thus decrease the labour intensity of site operation personnel, decrease environment pollution simultaneously; Decrease operating cost, improve operating efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the cross-sectional schematic of lift switch of the present utility model;
Fig. 2 is that the A-A of the sealing section of lift switch of the present utility model is to cross-sectional schematic; And
Fig. 3 is that the track on lift switch track body of the present utility model launches schematic diagram.
Reference numeral in accompanying drawing is as follows: 10, Switch main body; 11, the first pressure relief opening; 21, righting trough; 22, elastic supporting member for supporting optical member; 23, wiper block; 24, the first pressure ring; 30, sealing section; 31, gas pressure relief slot; 32, the second pressure relief opening; 40, the second pressure ring; 41, track pin; 50, track body; 51, the first gliding groove; 511, the first axial slide; 512, the first oblique chute; 52, the first upper hopper chute; 53, the second gliding groove; 531, the second axial slide; 532, the second oblique chute; 54, lead-over groove; 60, top connection; 70, screen pack; 80, sealing ring.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1 to Figure 3, the utility model provides a kind of lift switch, comprises Switch main body 10, is provided with the first pressure relief opening 11; The lower end of Switch main body 10 is provided with track pin 41; Sealing section 30, is slidably disposed in Switch main body 10, sealing section 30 is provided with the second pressure relief opening 32; Track body 50, it is connected with sealing section 30, the outer wall of track body 50 is along the circumferential direction provided with multiple track be connected, track pin 41 is slidably arranged in orbit, track comprises the first gliding groove 51, first upper hopper chute 52 of along the circumferential direction setting gradually and the second gliding groove 53, first upper hopper chute 52 is connected between the lower end of the first gliding groove 51 and the upper end of the second gliding groove 53; Track pin 41 is under the state of the upper end of the first gliding groove 51, and the first pressure relief opening 11 is connected with the second pressure relief opening 32; Righting trough 21, is arranged on the outer wall of Switch main body 10, and righting trough 21 is provided with multiple elastic supporting member for supporting optical member 22, and multiple elastic supporting member for supporting optical member 22 has been installed with wiper block 23.
Particularly, as shown in Figure 1 to Figure 2, Switch main body 10 is provided with the first pressure relief opening 11; Top connection 60 is linked together by screw thread and Switch main body 10 top, is pressed between the two by screen pack 70 simultaneously; The lower end of Switch main body 10 is connected with the second pressure ring 40, second pressure ring 40 to be stretched in Switch main body 10 by Switch main body 10 lower end and is fixed by screw thread with Switch main body 10, track pin 41 is arranged on the second pressure ring 40 and stretches out in the part of Switch main body 10, track pin 41 is linked together by screw thread and the second pressure ring 40, the axis of track pin 41 and the axes normal of Switch main body 10; Sealing section 30 is slidably disposed in Switch main body 10, is provided with sealing ring 80 between Switch main body 10 and sealing section 30, sealing section 30 is provided with the second pressure relief opening 32;
As shown in Figure 1 to Figure 2, track body 50 is connected with sealing section 30, it stretches in Switch main body 10 and the second pressure ring 40, the outer wall of track body 50 is along the circumferential direction provided with multiple track be connected, track pin 41 is slidably arranged in orbit, track comprises the first gliding groove 51 along the circumferential direction set gradually, first upper hopper chute 52 and the second gliding groove 53, first upper hopper chute 52 is connected between the lower end of the first gliding groove 51 and the upper end of the second gliding groove 53, be connected by lead-over groove 54 between first gliding groove 51 of each track and the second gliding groove 53 of adjacent orbit.First gliding groove 51 has the first axial slide 511 and the first oblique chute 512 be connected, second gliding groove 53 has the second axial slide 531 and the second oblique chute 532 be connected, first upper hopper chute 52 is connected between the first oblique chute 512 and the second axial slide 531, and the second axial slide 531 and the first axial slide 511 be arranged in parallel; Track pin 41 is under the state of the upper end of the first gliding groove 51, and the first pressure relief opening 11 is connected with the second pressure relief opening 32.
As shown in Figure 1, righting trough 21 is arranged on the outer wall of Switch main body 10, is linked together by welding and Switch main body 10; Be provided with multiple elastic supporting member for supporting optical member 22 in righting trough 21, in the present embodiment, this elastic supporting member for supporting optical member 22 is spring, spring has been installed with wiper block 23.First pressure ring 24 of lift switch is connected with righting trough 21, first pressure ring 24 is pressed on the end of wiper block 23, first pressure ring 24 is connected with righting trough 21 by screw thread, wiper block 23 two ends are fixed on relatively the first pressure ring 24 inner, wiper block 23 is pressed in righting trough 21 simultaneously, wiper block 23 is slided along the radial direction of Switch main body 10 under the driving of spring in righting trough 21.In oil well operation process, wiper block 23 makes the relative centre position being positioned at oil well of lift switch owing to contacting with oil well wall under the action of the spring, and operation is completed more smoothly.By arranging the wiper block 23 that elastic supporting member for supporting optical member 22 supports outside Switch main body 10, in decentralization process, when lifting switch and running into impact, major part energy is sponged by spring, reduce in work the impact of clashing into Switch main body 10, under guarantee realizes its normal function situation, tradition lift switch can be overcome and in use easily occur because collision deformation causes the phenomenon of seal failure.
Track pin 41 concrete motion mode is in orbit as follows, under original state, lift switch with under other downhole tool in oil well, track pin 41 is positioned at the upper end a1 of the first gliding groove 51 of one of them track on track body 50, now, the first pressure relief opening 11 on Switch main body 10 is relative with the second pressure relief opening 32 of sealing section 30, and lift switch is in open mode, in the present embodiment, track body 50 is provided with two end to end tracks along its circumferencial direction.Stop when lift switch meets with obstruction (namely needing shaping position) in tubing string, now continue to transfer lift switch, its Switch main body 10 relative axially moves by the track body 50 on lift switch, the track pin 41 be connected on Switch main body 10 relatively moves downward in the first gliding groove 51, the a2 position, lower end of the first gliding groove 51 is slided into from the upper end a1 of the first gliding groove 51, namely the first oblique chute 512 is slipped into from the first axial slide 511, when track pin 41 is positioned at the lower end a2 of the first gliding groove 51, track body 50 moves on this position stops, the first pressure relief opening 11 now on Switch main body 10 staggers with the second pressure relief opening 32 of sealing section 30, this lift switch cuts out, high-pressure fluid can enter into from lift switch internal passage (hollow structure of track body 50) next parts being connected to lift switch lower end, thus realize the plastic operation to tubing string by high-pressure fluid, owing to there being very large pressure in tubing string in reforming process, this pressure is generally at about 30MPA, under such pressure effect, Switch main body 10 pressurized can move up automatically, the track pin 41 be now connected with Switch main body 10 will move up along the first upper hopper chute 52, namely move to the upper end a3 of the second gliding groove 53 through the first upper hopper chute 52 from the lower end a2 of the first gliding groove 51, in the process, the first pressure relief opening 11 on Switch main body 10 staggers with the second pressure relief opening 32 of sealing section 30 and arranges, and is in sealing state in Switch main body 10, when shaping terminates pressure reduction in rear tubing string, Switch main body 10 inside does not have the pressurization continued, automatic axial moves down by Switch main body 10, Switch main body 10 drives track pin 41 to slide into the lower end a4 of the second gliding groove 53 from the upper end a3 of the second gliding groove 53, namely slip into the second oblique chute 532 from the second axial slide 531, now tubing string completes plastic operation, after shaping terminates, when needs pressure release, ground stops suppressing, now upper lifting pipe post, also namely on the Switch main body 10 of lift switch, track pin 41 slides into the upper end a5 of the first gliding groove 51 of adjacent orbit through lead-over groove 54 from the lower end a4 of the second gliding groove 53, namely from the lower end a4 of the second oblique chute 532, get back to the upper end a5 of the first axial slide 511 of adjacent orbit through lead-over groove 54, now the first pressure relief opening 11 overlaps with the second pressure relief opening 32 and reaches pressure release object.
In the utility model, sealing section 30 is provided with the gas pressure relief slot 31 be connected with the second pressure relief opening 32, due to the existence of gas pressure relief slot 31, make often to carry out a tubing string plastic operation, the track pin 41 of lift switch need not get back to initial position at every turn, also the position that the first pressure relief opening 11 of Switch main body 10 is relative with the second pressure relief opening 32 of sealing section 30 is namely got back to, as long as make the track pin 41 of this lift switch be in the upper end of the first gliding groove 51 of the multiple tracks on track body 50, even if also the first pressure relief opening 11 of Switch main body 10 overlaps can realize pressure release with the gas pressure relief slot 31 of sealing section 30.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
By arranging the wiper block that elastic supporting member for supporting optical member supports outside Switch main body, the impact of tubing string on switch body is clashed in the work that reduction lift switch is transferred, under guarantee realizes its normal function situation, can overcome tradition lift switch in use easily occurs because collision deformation causes the phenomenon of seal failure, thus the labour intensity decreasing site operation personnel decreases environment pollution simultaneously; Decrease operating cost, improve operating efficiency.
The foregoing is only several embodiment of the present utility model, those skilled in the art can carry out various change or modification to the utility model embodiment according to content disclosed in application documents and not depart from spirit and scope of the present utility model.

Claims (9)

1. a lift switch, is characterized in that, comprising:
Switch main body (10), is provided with the first pressure relief opening (11); The lower end of described Switch main body (10) is provided with track pin (41);
Sealing section (30), is slidably disposed in described Switch main body (10), described sealing section (30) is provided with the second pressure relief opening (32);
Track body (50), it is connected with described sealing section (30), the outer wall of described track body (50) is along the circumferential direction provided with multiple track be connected, described track pin (41) is slidably arranged in described track, described track comprises the first gliding groove (51), the first upper hopper chute (52) and the second gliding groove (53) that along the circumferential direction set gradually, between the lower end that described first upper hopper chute (52) is connected to described first gliding groove (51) and the upper end of described second gliding groove (53);
Described track pin (41) is under the state of the upper end of described first gliding groove (51), and described first pressure relief opening (11) is connected with described second pressure relief opening (32);
Righting trough (21), be arranged on the outer wall of described Switch main body (10), described righting trough (21) is provided with multiple elastic supporting member for supporting optical member (22), and multiple described elastic supporting member for supporting optical member (22) has been installed with wiper block (23).
2. lift switch according to claim 1, is characterized in that, described sealing section (30) is provided with the gas pressure relief slot (31) be connected with described second pressure relief opening (32).
3. lift switch according to claim 1, it is characterized in that, also comprise the first pressure ring (24), it is connected with described righting trough (21), and described first pressure ring (24) is pressed on the end of described wiper block (23).
4. lift switch according to claim 1, it is characterized in that, also comprise the second pressure ring (40), described second pressure ring (40) is stretched in described Switch main body (10), described track pin (41) is arranged on described second pressure ring (40) and stretches out in the part of described Switch main body (10), and described track pin (41) is arranged with the axes normal of described Switch main body (10).
5. lift switch according to claim 1, it is characterized in that, be connected by lead-over groove (54) between described first gliding groove (51) of track described in each and described second gliding groove (53) of adjacent described track.
6. lift switch according to claim 1, it is characterized in that, described first gliding groove (51) has the first axial slide (511) and the first oblique chute (512) that are connected, second gliding groove (53) has the second axial slide (531) and the second oblique chute (532) that are connected, described first upper hopper chute (52) is connected between described first oblique chute (512) and described second axial slide (531), and described second axial slide (531) and described first axial slide (511) be arranged in parallel.
7. lift switch according to claim 1, is characterized in that, described elastic supporting member for supporting optical member (22) is spring.
8. lift switch according to claim 1, is characterized in that, the upper end of described Switch main body (10) is connected with top connection (60).
9. lift switch according to claim 8, is characterized in that, described Switch main body (10) compresses with the link of described top connection (60) and is provided with screen pack (70).
CN201520110837.1U 2015-02-15 2015-02-15 Pull-up switch Expired - Fee Related CN204532196U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520110837.1U CN204532196U (en) 2015-02-15 2015-02-15 Pull-up switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520110837.1U CN204532196U (en) 2015-02-15 2015-02-15 Pull-up switch

Publications (1)

Publication Number Publication Date
CN204532196U true CN204532196U (en) 2015-08-05

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ID=53746219

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520110837.1U Expired - Fee Related CN204532196U (en) 2015-02-15 2015-02-15 Pull-up switch

Country Status (1)

Country Link
CN (1) CN204532196U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593433A (en) * 2016-12-12 2017-04-26 中国石油天然气股份有限公司 Horizontal well oil pipe conveying mechanical type mass flow device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106593433A (en) * 2016-12-12 2017-04-26 中国石油天然气股份有限公司 Horizontal well oil pipe conveying mechanical type mass flow device
CN106593433B (en) * 2016-12-12 2023-04-25 中国石油天然气股份有限公司 Mechanical type current collector is carried to horizontal well oil pipe

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150805