CN204805827U - Incessantly defeated area is pressed and is changed high -pressure undergauge shutoff head for ball valve - Google Patents
Incessantly defeated area is pressed and is changed high -pressure undergauge shutoff head for ball valve Download PDFInfo
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- CN204805827U CN204805827U CN201520123758.4U CN201520123758U CN204805827U CN 204805827 U CN204805827 U CN 204805827U CN 201520123758 U CN201520123758 U CN 201520123758U CN 204805827 U CN204805827 U CN 204805827U
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Abstract
The utility model provides an incessantly defeated area is pressed and is changed high -pressure undergauge shutoff head for ball valve, is including leaking hopper -shaped rubber sleeve (1), coniform rubber buffer (2), T -slot bolt (3), two -way thrust bearing formula bonder (4) etc.. Leak the firm bonding in hopper -shaped rubber sleeve (1) and T -slot bolt (3), coniform rubber buffer (2) bond with two -way thrust bearing formula bonder (4) is firm, and lou hopper -shaped rubber sleeve (1) and coniform rubber buffer (2) and two -way thrust bearing formula bonder (4) threaded connection are passed in T -slot bolt (3). This shutoff head is the special novel block structure who develops of change undergauge ball valve, and before passing through the undergauge ball valve, rubber sleeve and rubber buffer are clean separation, can attenuate under the squeezing action, pass through the thinner undergauge ball valve of internal diameter smoothly, behind the arrival shutoff position, in the coniform rubber buffer of rotatory bonder messenger entering hourglass hopper -shaped rubber sleeve, pushes inflation chap shutoff and lives the manifold pressure, and the realization is failed to take to not stopping of high -pressure undergauge ball valve and is pressed the change.
Description
Technical field
The utility model belongs to long oil and gas pipeline valve dimension damage repair technology field, novel plugging structure needed for the online replacing high compression diameter ball valve with pressure of a kind of on-line production is mainly provided, it in, reducing situation that internal diameter of the pipeline is large little at valve internal diameter, can realize high pressure shutoff smoothly.
Background technique
Long oil and gas pipeline often uses all kinds of high compression diameter ball valve in bypass flow process and arm, in long-play process these valves often occur valve body leakage, valves leakage, sand holes, flange leakage, cannot a series of potential safety hazard such as greasing maintenance, on-the-spot except taking interim measures except these potential safety hazards of respite, in order to thoroughly solve the potential safety hazard at this kind of valve place, just need the valve more renewed.Because this kind of valve is generally all directly connected with long oil and gas pipeline main line, pressure is high, belong to again inflammable, explosive medium, in order to ensure job safety, traditional method changes new valve after stopping transportation main line, emptying, displacement, does the normal operation not only having a strong impact on pipeline like this, and certainly will cause a large amount of wastings of resources, particularly high pressure gas pipeline, once such operation at least needs the rock gas of emptying tens side.Although also have a kind of press and open holes, blocking technology at present, stopping transportation pressure can be realized and change valve, but for this kind of bypath valve, often have that pressure is high, tube wall is thin, valve undergauge, working space are narrow, flow development length is little, do not have the problems such as plugging holes position, press and open holes, shutoff cannot be realized.But this type of valve also has a feature, is exactly that one end is connected with pressure all the time with oil and gas pipes main line, and the other end generally can pressure release emptying, have developed the technology of to carry out axial shutoff from valve one end, changing valve according to this feature.
But, before enforcement stopping transportation pressure changes reducing ball valve, first shutoff will be carried out to the pressure in valve preceding pipeline, because valve is undergauge valve, a minimum latus rectum often grade less of shutoff place internal diameter of the pipeline of valve internal, for DN50 reducing ball valve, the intracavity diameter of valve internal spheroid only has 38mm, and the internal diameter of DN50 high pressure pipe line is generally at about 50mm, and the two approximately differs 12mm, if consider the situation that ball body of valve cannot be opened completely again, the two difference is larger.Want to realize carrying out axial shutoff from undergauge valve one end, block head just must first will by the less valve of internal diameter, and then implement shutoff at the pipeline place that internal diameter is larger, although existing bag-type blockage head can pass through reducing ball valve, but shutoff pressure is not high, be only applicable to low-pressure state, although some other plugging structure can block high pressure, generally cannot pass through reducing ball valve.Therefore, special this novel plugging structure for changing reducing ball valve development, both smoothly by the undergauge valve that internal diameter is thinner, can block again high pressure at the pipeline place that internal diameter is larger, thus realized changing the stopping transportation pressure of high compression diameter ball valve.
Summary of the invention
The utility model can implement high-pressure medium shutoff quickly and easily, thus reaches without stopping transportation, emptying main line, also need not weld when getting angry, and online stopping transportation pressure changes the reducing ball valve in the bypass and arm that are connected with oil and gas pipes main line.A kind of stopping transportation pressure changes high compression diameter ball valve block head, comprise funnel-like rubber sleeve (1), coniform rubber stopper (2), T-slot bolt (3), doubledirection thrust bearing formula colligator (4), wherein funnel-like rubber sleeve (1), coniform rubber stopper (2) and doubledirection thrust bearing formula colligator (4) are enclosed within T-slot bolt (3) outward respectively successively, funnel-like rubber sleeve (1) and T-slot bolt (3) secure bond, coniform rubber stopper (2) and doubledirection thrust bearing formula colligator (4) secure bond, doubledirection thrust bearing formula colligator (4) and T-slot bolt (3) are threaded connection.Block head is before passing through reducing ball valve, funnel-like rubber sleeve is separated completely with coniform rubber stopper, can attenuate under squeezing action, thus the smooth undergauge valve thinner by internal diameter, after arriving the shutoff position on pipeline, again by rotating doubledirection thrust bearing formula colligator, under the acting in conjunction of T-slot bolt, coniform rubber stopper is made to enter in funnel-like rubber sleeve, continue rotary squeezing rubber material to be expanded thickerly block manifold pressure, thus realize the replacing with pressure to high compression diameter ball valve.Device adopts Der Grundsatz der Maschinen, and rubber elasticity seals, and has safe and reliable, simple to operate, operating efficiency high.
The outer image funnel of funnel-like rubber sleeve (1), taper end external diameter is suitable with reducing ball valve internal diameter, middle circle bore dia is consistent with T-slot bolt (3) thickness, butt end external diameter is slightly larger than internal diameter of the pipeline, inside is cone shape hollow, and the sectional area of deduction hollow parts is suitable with reducing ball valve internal diameter, whole funnel-like rubber sleeve (1) is enclosed within T-slot bolt (3) outward, and the two secure bond.Funnel-like rubber sleeve (1) butt end external diameter is slightly larger than internal diameter of the pipeline, under the effect of frictional force, when just can ensure shutoff operation, funnel-like rubber sleeve (1) and T-slot bolt (3) can not rotate together along with doubledirection thrust bearing formula colligator (4), thus reach coniform rubber stopper (2) is entered object that funnel-like rubber sleeve (1) inner extrusion expansion blocks manifold pressure.
Coniform rubber stopper (2) profile is the cone supporting with funnel-like rubber sleeve (1) hollow parts, there is a circular hole matched with T-slot bolt (3) inside, the external diameter of coniform rubber stopper is suitable with reducing ball valve internal diameter, coniform rubber stopper (2) and doubledirection thrust bearing formula colligator (4) secure bond.
The screw cap end of T-slot bolt (3) is circular, external diameter is slightly less than reducing ball valve internal diameter, screw portion is through funnel-like rubber sleeve (1) respectively and coniform rubber stopper (2) is inner, and screw rod end is connected with doubledirection thrust bearing formula colligator (4) inner hole thread.
Structure and the doubledirection thrust bearing of doubledirection thrust bearing formula colligator (4) are similar, the gabarit diameter of whole colligator is slightly less than reducing ball valve internal diameter, back-up ring (5) diameter of bore is slightly larger than T-slot bolt (3) external diameter, outer ring (6) diameter of bore is respectively slightly larger than the external diameter of inner ring (7), back-up ring and outer ring by screwed connection to together with, inner ring (7) has one end of boss to have one section of internal thread be connected with T-slot bolt (3), one end diameter of bore is slightly larger than T-slot bolt (3) external diameter in addition, and there is one section of outer silk outside, conveniently be connected with the operating stem of operation device under pressure.
The material of funnel-like rubber sleeve (1) and coniform rubber stopper (2) is rubber, there is certain intensity and heatproof, wear-resisting, resistance to oil gas performance, when using under normal temperature, hardness is shore about 80 degree, high strength cotton rope is accompanied vertically in rubber material, to strengthen rubber axial strength, improve the sealability of block head.
The utility model plugging structure has following characteristics:
1. both can attenuate smoothly by the reducing ball valve that internal diameter is less, the larger pipeline inner high voltage of internal diameter can have been blocked by extrusion expansion again.
2. plugging structure compact size, is highly suitable for small-bore, operation field narrow space occasion use.
3. structure adopts Der Grundsatz der Maschinen, and reliability is high, and security risk is low.
4. structure is simple, and easy to operate, shutoff operating efficiency is high.
5. coordinate special shutoff work tool, can realize, to the replacing with pressure of reducing ball valve, not needing stopping transportation.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of block head.
Fig. 2 a, Fig. 2 b are the structural representations of funnel-like rubber sleeve.
Fig. 3 a, Fig. 3 b are the structural representations of coniform rubber stopper.
Fig. 4 is the structural representation of T-slot bolt.
Fig. 5 is the structural representation of doubledirection thrust bearing formula colligator.
Marginal data, in figure: 1. funnel-like rubber sleeve, 2. coniform rubber stopper, 3. T-slot bolt, 4. doubledirection thrust bearing formula colligator, 5. back-up ring, 6. outer ring, 7. inner ring, 8. steel ball.
Embodiment
After this plugging structure produces material object according to the size design of DN50 reducing ball valve, the on-site actual situations of simulation long oil and gas pipeline, carry out pressure shutoff test, from test situation, operation process is simple to operate, safe and reliable, and wherein the pressure difference of blocking of this plugging structure can reach more than 10MPa under test conditions, and pressure difference of blocking is when 8MPa, observe through the voltage stabilizings of 24 hours, plugging effect is good, without any leakage and obvious displacement deformation.The embodiment of shutoff operation is as follows:
First according to shown in Fig. 1, assemble this block head, guarantee that block head is before by reducing ball valve, funnel-like rubber sleeve (1) is separated completely with coniform rubber stopper (2) simultaneously.Then by the outer silk on doubledirection thrust bearing formula colligator (4), block head is installed on the operating stem on special stopping transportation pressure replacing valving, change the promotion of valving at stopping transportation pressure under, this block head through reducing ball valve to be replaced, be pushed to and need in the pipeline of shutoff, rotate the operating stem on stopping transportation pressure replacing valving, the inner ring on doubledirection thrust bearing formula colligator (4) is driven to rotate together, under the acting in conjunction of T-slot bolt (4), coniform rubber stopper (2) is made to enter funnel-like rubber sleeve (1) inner, continue rotary squeezing rubber material to be expanded thickerly can block manifold pressure.After replacing with new valve, when needing de-plugging, only need opposite spin, funnel-like rubber sleeve (1) and coniform rubber stopper (2) can be made to realize being separated completely, thus reaching the object of de-plugging, the stopping transportation pressure completing high compression diameter ball valve is changed.
Claims (6)
1. a stopping transportation pressure changes high compression diameter ball valve block head, comprise funnel-like rubber sleeve (1), coniform rubber stopper (2), T-slot bolt (3), doubledirection thrust bearing formula colligator (4), wherein funnel-like rubber sleeve (1), coniform rubber stopper (2) and doubledirection thrust bearing formula colligator (4) are enclosed within T-slot bolt (3) outward respectively successively, funnel-like rubber sleeve (1) and T-slot bolt (3) secure bond, coniform rubber stopper (2) and doubledirection thrust bearing formula colligator (4) secure bond, doubledirection thrust bearing formula colligator (4) and T-slot bolt (3) are threaded connection.
2. change high compression diameter ball valve block head according to stopping transportation pressure described in claim 1, it is characterized in that:
The outer image funnel of described funnel-like rubber sleeve (1), taper end external diameter is suitable with reducing ball valve internal diameter, middle circle bore dia is consistent with T-slot bolt (3) thickness, butt end external diameter is slightly larger than internal diameter of the pipeline, inside is cone shape hollow, and the sectional area of deduction hollow parts is suitable with reducing ball valve internal diameter, whole funnel-like rubber sleeve (1) is enclosed within T-slot bolt (3) outward, and the two secure bond.
3. change high compression diameter ball valve block head according to stopping transportation pressure described in claim 1, it is characterized in that:
Described coniform rubber stopper (2) profile is the cone supporting with funnel-like rubber sleeve (1) hollow parts, there is a circular hole matched with T-slot bolt (3) inside, the external diameter of coniform rubber stopper is suitable with reducing ball valve internal diameter, coniform rubber stopper and doubledirection thrust bearing formula colligator (4) secure bond.
4. change high compression diameter ball valve block head according to stopping transportation pressure described in claim 1, it is characterized in that:
The screw cap end of described T-slot bolt (3) is circular, external diameter is slightly less than reducing ball valve internal diameter, screw portion is through funnel-like rubber sleeve (1) respectively and coniform rubber stopper (2) is inner, and screw rod end is connected with doubledirection thrust bearing formula colligator (4) inner hole thread.
5. change high compression diameter ball valve block head according to stopping transportation pressure described in claim 1, it is characterized in that:
Structure and the doubledirection thrust bearing of described doubledirection thrust bearing formula colligator (4) are similar, the gabarit diameter of whole colligator is slightly less than reducing ball valve internal diameter, back-up ring (5) diameter of bore is slightly larger than T-slot bolt (3) external diameter, outer ring (6) diameter of bore is respectively slightly larger than inner ring (7) external diameter, back-up ring (5) and outer ring (6) by screwed connection to together, inner ring (7) has one end of boss to have one section of internal thread be connected with T-slot bolt (3), there is one section of outer silk one end in addition, and diameter of bore is slightly larger than T-slot bolt (3) external diameter.
6. change high compression diameter ball valve block head according to stopping transportation pressure described in claim 1, it is characterized in that:
The material of described funnel-like rubber sleeve (1) and coniform rubber stopper (2) is rubber, there is certain intensity and heatproof, wear-resisting, resistance to oil gas performance, when using under normal temperature, hardness is shore about 80 degree, high strength cotton rope is accompanied vertically in rubber material, to strengthen rubber axial strength, improve the sealability of block head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520123758.4U CN204805827U (en) | 2015-03-03 | 2015-03-03 | Incessantly defeated area is pressed and is changed high -pressure undergauge shutoff head for ball valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520123758.4U CN204805827U (en) | 2015-03-03 | 2015-03-03 | Incessantly defeated area is pressed and is changed high -pressure undergauge shutoff head for ball valve |
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| CN204805827U true CN204805827U (en) | 2015-11-25 |
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| CN201520123758.4U Active CN204805827U (en) | 2015-03-03 | 2015-03-03 | Incessantly defeated area is pressed and is changed high -pressure undergauge shutoff head for ball valve |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561657A (en) * | 2017-03-23 | 2018-09-21 | 新兴重工湖北三六机械有限公司 | A kind of aperture instant sealing device |
| CN109611637A (en) * | 2019-01-08 | 2019-04-12 | 山东钢铁股份有限公司 | Evaporating air cooler bobbin carriage device for plugging and blocking method |
| CN112824046A (en) * | 2019-11-20 | 2021-05-21 | 宝山钢铁股份有限公司 | Inner wall combined sand prevention plug for sand blasting of external threads of oil casing and anti-blocking method thereof |
| CN113974710A (en) * | 2021-10-09 | 2022-01-28 | 重庆大清生物有限公司 | Blocking structure for craniotomy |
| CN117781076A (en) * | 2024-02-28 | 2024-03-29 | 苏州誉高紧固系统有限公司 | Detachable self-locking pore canal plugging device, pore canal plugging set and plugging and disassembling method |
-
2015
- 2015-03-03 CN CN201520123758.4U patent/CN204805827U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108561657A (en) * | 2017-03-23 | 2018-09-21 | 新兴重工湖北三六机械有限公司 | A kind of aperture instant sealing device |
| CN108561657B (en) * | 2017-03-23 | 2024-05-03 | 襄阳新兴精密制造有限公司 | Quick sealing device for orifice |
| CN109611637A (en) * | 2019-01-08 | 2019-04-12 | 山东钢铁股份有限公司 | Evaporating air cooler bobbin carriage device for plugging and blocking method |
| CN112824046A (en) * | 2019-11-20 | 2021-05-21 | 宝山钢铁股份有限公司 | Inner wall combined sand prevention plug for sand blasting of external threads of oil casing and anti-blocking method thereof |
| CN113974710A (en) * | 2021-10-09 | 2022-01-28 | 重庆大清生物有限公司 | Blocking structure for craniotomy |
| CN113974710B (en) * | 2021-10-09 | 2023-09-22 | 重庆大清生物有限公司 | Plugging structure for craniotomy |
| CN117781076A (en) * | 2024-02-28 | 2024-03-29 | 苏州誉高紧固系统有限公司 | Detachable self-locking pore canal plugging device, pore canal plugging set and plugging and disassembling method |
| CN117781076B (en) * | 2024-02-28 | 2024-05-24 | 苏州誉高紧固系统有限公司 | Detachable self-locking pore canal plugging device, pore canal plugging set and plugging and disassembling method |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170726 Address after: 430074 Wuhan East Gas Pipeline Project No. 126, Optics Valley Road, East Lake New Technology Development Zone, Hubei, Wuhan Province, 1-5 layers Patentee after: Sinopec East Sichuan Gas Pipeline Co., Ltd. Address before: Jiaxing City, Zhejiang province 314000 Nanhu District Jing Yi Road Huijin Plaza Building 1 (Sichuan East gas) Patentee before: JIAXING EMERGENCY MAINTENANCE CENTER OF SINOPEC GAS SICHUAN TO EAST CHINA GAS TRANSMISSION PIPELINE COMPANY |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200908 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. Patentee after: China Petroleum & Chemical Corp. Address before: 430074 Hubei Optics Valley Wuhan new East Lake Technology Development Zone 126 Optics Valley East Gas Pipeline Project Wuhan regulation center 1-5 layer Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: Sichuan East Natural Gas Pipeline Co.,Ltd. Address before: 100728 No. 22 North Main Street, Chaoyang District, Beijing, Chaoyangmen Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: SINOPEC CHUANQI DONGSONG NATURAL GAS PIPELINE Co.,Ltd. |