CN207335953U - A kind of pressure gauge root valve tape-pressure leakage clogging device - Google Patents

A kind of pressure gauge root valve tape-pressure leakage clogging device Download PDF

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Publication number
CN207335953U
CN207335953U CN201721090614.9U CN201721090614U CN207335953U CN 207335953 U CN207335953 U CN 207335953U CN 201721090614 U CN201721090614 U CN 201721090614U CN 207335953 U CN207335953 U CN 207335953U
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CN
China
Prior art keywords
half slot
clamp body
pressure gauge
pressure
clogging device
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Active
Application number
CN201721090614.9U
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Chinese (zh)
Inventor
姜铁成
牛化昶
张星
贺睿
钱泽军
程永胜
朱宏黎
陈尧
杨永胜
邹菁
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.)
China Petroleum and Chemical Corp
China Oil and Gas Pipeline Network Corp
National Pipeline Network Group Sichuan to East Natural Gas Pipeline Co Ltd
Original Assignee
Sinopec Sichuan East Gas Pipeline Co Ltd
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Priority to CN201721090614.9U priority Critical patent/CN207335953U/en
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Abstract

The utility model belongs to Live leaking-stopping technology field, and in particular to a kind of pressure gauge root valve tape-pressure leakage clogging device.The pressure gauge root valve tape-pressure leakage clogging device includes left side clamp body and the matched right side clamp body of left side clamp body, fastening clamp body and long waist round hole shape sealing plate.Left side clamp body is bolted to connection with right side clamp body, and fastening is threadedly coupled with side clamp body with right side clamp body respectively with clamp body, and fastening is crossed bolt with long waist round hole shape sealing plate with clamp body and is fixedly connected.After pressure gauge root valve tape-pressure leakage clogging device is installed on pressure gauge root, pressure gauge root valve tape-pressure leakage clogging device and leakage outer surface composition sealing cavity, then sealant is injected from greasing hole to sealing cavity, so as to achieve the purpose that to stop a leak.

Description

A kind of pressure gauge root valve tape-pressure leakage clogging device
Technical field
The utility model belongs to Live leaking-stopping technology field, and in particular to a kind of pressure gauge root valve tape-pressure leakage clogging device.
Background technology
Long-distance Transmission Pipeline yard valve chamber often uses all kinds of pressure gauges, and it is typically logical that pressure gauge is connected with main pipeline Cross and an integral type welding type stop valve is welded on main pipeline to connect pressure gauge, that is, the pressure gauge root described in us Valve, as the conduit running time increases, pressure gradually rises, and the micro- leakage problem of integral type welding type stop valve valve rod gradually increases, Particularly with the pressure gauge root valve of main line connecting place, lasting leakage not only causes the waste of natural gas, but also shows to work Cause serious security risk in field.Particularly as valve chamber in restricted clearance, it is easier to cause gas accumulation, produce mixed The explosion gas of conjunction property, it is likely that explode lightning when meeting with bad weather, once generation consequence will be hardly imaginable. Conduit running initial stage, passes through the natural gas for being vented pipeline between two valve chambers, replaces the new valve head of valve chamber pressure table root valve, handle valve rod Leakage problem is basic handling method.But this to need to waste substantial amounts of natural gas, conduit running enters the normal supply stage, non- Emergency must not stopping transportation or exhausting pipeline natural gas easily.Such issues that again many places occur, using exhausting pipeline natural gas more The processing method for renewing valve head is outdated.
Utility model content
To solve the deficiencies in the prior art, the utility model provides a kind of pressure gauge root valve tape-pressure leakage clogging device.This The pressure gauge root valve tape-pressure leakage clogging device that utility model is provided can inject Special seal agent and implement leak stopping.Pressure gauge root valve The installation cost of tape-pressure leakage clogging device is compared for the loss of natural gas, low-cost.Pressure gauge root valve pressure sealing Device can be according to the form of field observation leakage point, and the shape and leakage rate of leakage position, design, manufacture corresponding size, Solve the problems, such as bonnet and valve rod and valve head and leaked at valve seat screw thread, meet the fastness of produced on-site operation and overall beautiful Property require.
Technical solution provided by the utility model is as follows:
A kind of pressure gauge root valve tape-pressure leakage clogging device, including:
Left side clamp body, the left side clamp body include left first half slot, left second half slot and the connection left side The end of first half slot and the left connector of the end of left second half slot, the axis of left second half slot are vertical In the axis of left first half slot, the periphery of left second half slot is provided with external screw thread, the left connector Side is provided with left groove;
With the matched right side clamp body of the left side clamp body, the right side clamp body includes right first half slot, right the The right connector of the end of the end and right second half slot of two half slots and connection right first half slot, it is described The axis of right second half slot is provided with perpendicular to the axis of right first half slot in the periphery of right second half slot External screw thread, the side of the right connector are provided with right groove;
Left second half slot and right second half slot are corresponded to the fastening clamp body being fixed together;
And to the one end of the fastening clamp body away from left second half slot and right second half slot into The long waist round hole shape sealing plate of row sealing;
Wherein, the left side clamp body is corresponding with right side clamp body abuts, left first half slot and right first semicircle Groove is correspondingly formed the first circular trough, and left second half slot is correspondingly formed the second circular trough, the left side with right second half slot Side groove and the right groove form cavity, and second circular trough connects first circular trough by the cavity.
The pressure gauge root valve tape-pressure leakage clogging device that above-mentioned technical proposal is provided, can after mounting, with leaking appearance Face forms sealing cavity, so as to inject sealant to sealing cavity, so as to achieve the purpose that to stop a leak, to have reached above Ask.The thin portion shape of clamp body should be matched with size with root valve.According to the position of leakage point and the shape of root valve, design system Make fixture, with the use of sealant, can reach the purpose of leak stopping
Further, the fastening includes coaxially connected tube and long waist round hole shape cylinder with clamp body, described The inner circumferential of tube is provided with internal thread, and the tube is threaded in the periphery of second circular trough, along the long waist The axial direction of circle hole shape cylinder is provided with first through hole, and cricoid carbon seal ring, the stone are fixed with the first through hole The length of black sealing ring is less than the length of the first through hole, and the carbon seal ring is inclined to the tube and is set.
Further, one end of the long waist round hole shape sealing plate, which is coaxially arranged with, matches simultaneously part with the first through hole The sealing ring being inserted into the first through hole, is provided with along the axial direction of the long waist round hole shape sealing plate and the sealing ring Second through hole.
Further, the junction of left first half slot and the left connector is provided with left side and is open, and described right first The junction of half slot and the right connector is provided with right openings, second through hole, the first through hole, described second Circular trough and the cavity are sequentially communicated, and the cavity connects described jointly by the left side opening with the right openings One circular trough.
Selection for clamp body material, can select according to different condition (such as temperature, medium, pressure), in nothing In the case of particular/special requirement, ordinary carbon steel is generally selected, since its intensity and plasticity have preferable cooperation, in relevant temperature Under, its mechanical performance is sufficient for the requirement of fixture material, and cheap, and is easy to machining, has good performance. Usually choose the material that A3 steel (Q235) relatively conventional in common carbon structural steel makes as fixture.In view of situ strength It is actually needed with overall aesthetics, it is preferred that stainless steel material can be selected.
Fixture is and the structure installed on the outer surface of leakage position to stop a leak, with leaking outer surface Sealing cavity is formed, then sealant is injected to sealing cavity, so as to achieve the purpose that to stop a leak.It is to accommodate sealing that it, which is acted on, Agent, prevents excessive, bears to include sealing injection pressure and the pressure of leaking medium, thus to have enough intensity, will on fixture There are medium porus excretorius and sealant injection hole.For ease of installation, fixture will make split, specifically, should meet following requirements: 1) a closed sealing cavity is needed between fixture and leakage position;2) fixture should have certain rigidity and intensity;3) Fixture should be split shape (more than two pieces), in order to install;4) should be with female hole for injecting glue, the position in hole on fixture It is advisable with quantity with that sealant can be filled to whole annular seal space;The gap of fixture and leakage position is using not excessive sealant as original Then, general control is in below 0.5mm;Fixture in order to make and select conveniently.It should try one's best and accomplish standardization, seriation.
Further, the long waist round hole shape sealing plate is bolted to connection with the long waist round hole shape cylinder.
It can easily be mounted and dismounted based on the long waist round hole shape sealing plate of above-mentioned technical proposal, also, jail be installed Gu ensure leakproofness.
Further, the left connector and the right connector are bolted to connection.
The clamping of left side clamp body and right side clamp body can be realized based on above-mentioned technical proposal, installation and removal are convenient, And firmly install, ensure leakproofness.
Further, two end faces of two end faces of left second half slot respectively with right second half slot are supported Connect.
The clamping of left side clamp body and right side clamp body can be realized based on above-mentioned technical proposal, and ensures leakproofness.
Further, two end faces of two end faces of left first half slot respectively with right first half slot are supported Connect.
The clamping of left side clamp body and right side clamp body can be realized based on above-mentioned technical proposal, and ensures leakproofness.
Further, the right connector is provided with greasing hole, and the greasing hole connects the cavity.
Based on above-mentioned technical proposal, reserved greasing hole can easily access greasing mouth and carry out greasing.
The utility model has the following advantages:
1) device can block leak source and not lose the normal switch function of former valve.
2) device does not cause valve body new damage.
3) fixture intensity is higher than operating pressure, meets longtime running under 10MPA pressure.
4) unique appearance and structure design, it is exquisite beautiful can mutually to coordinate fixture with production scene equipment.
5) unique utilization of three kinds of sealing materials:1st, graphite grazing agent is passed through adhesive pouring nozzle by primary seal using high pressure injection gun Inject in fixture cavity, play the role of body seal.During in the event of secondary leakage, it can be solved by glue.2nd, four fluorubber Pad is used for end face seal.3rd, graphite grazing is used for valve rod rotation portion.The sealing principle of valve rod is used for reference, if leakage can pass through Packing screw is fastened to administer.
6) use of high-strength fast solid glue, not only acts as the effect of fastening mounting fixture, and play further sealing function.
7) construction part is irregular and pressure is higher.This fixture uses new sealing structure, and solution sealing surface is few and does not advise Problem then.
8) on-line pressure sealant is carried out on the basis of former leakage position sealing structure is not destroyed.And sealing structure of rock is to leakage There is larger protective effect at position, can avoid production suspension induced losses;
9) fixture material selection stainless steel in this programme, securely and reliably, does not produce any spark in operation.
10) requirement of explosion proof in whole work progress is higher.
Brief description of the drawings
Fig. 1 is that the overall axis survey assembling structure of pressure gauge root valve tape-pressure leakage clogging device provided by the utility model is shown It is intended to.
Fig. 2 is the structure diagram of pressure gauge root valve tape-pressure leakage clogging device provided by the utility model.
Fig. 3 is the section view of the fastening clamp body of pressure gauge root valve tape-pressure leakage clogging device provided by the utility model Figure.
Fig. 4 is that the right side after pressure gauge root valve tape-pressure leakage clogging device installation provided by the utility model regards structural representation Figure.
In attached drawing 1,2,3,4, the structure list representated by each label is as follows:
1st, left side clamp body, 101, left first half slot, 102, left connector, 103, left second half slot, 2, right side folder Specifically, 201, right first half slot, 202, right connector, 203, right second half slot, 3, fastening clamp body, 4, long waist round hole Shape sealing plate, 5, sealing ring, 6, bolt, 7, valve rod, 8, pressure gauge root, 9, greasing hole.
Embodiment
The principle and feature of the utility model are described below, illustrated embodiment is served only for explaining the utility model, It is not intended to limit the scope of the utility model.
In a detailed embodiment, as shown in Figure 1, 2, pressure gauge root valve tape-pressure leakage clogging device includes left side fixture Clamp body 3 and long waist round hole shape sealing plate 4 are used in body 1 and the matched right side clamp body 2 of left side clamp body 1, fastening.
Left side clamp body 1 includes left first half slot 101, left second half slot 103 and left first half slot 101 of connection End and left second half slot 103 end left connector 102, the axis of left second half slot 103 is perpendicular to a left side first The axis of half slot 101, is provided with external screw thread, the side of left connector 102 is provided with a left side in the periphery of left second half slot 103 Side groove.
Right side clamp body 2 includes right first half slot 201, right second half slot 203 and right first half slot 201 of connection End and right second half slot 203 end right connector 202, the axis of right second half slot 203 is perpendicular to the right side first The axis of half slot 201, is provided with external screw thread, the side of right connector 202 is provided with the right side in the periphery of right second half slot 203 Side groove.
As shown in figure 3, fastening includes coaxially connected tube 301 and long waist round hole shape cylinder 302 with clamp body 3, The inner circumferential of tube 301 is provided with internal thread, and tube 301 is threaded in the periphery of the second circular trough, along long waist round hole shape The axial direction of cylinder 302 is provided with first through hole, and cricoid carbon seal ring 303, carbon seal ring are fixed with first through hole 303 length is less than the length of first through hole, and carbon seal ring 303 is inclined to tube 301 and is set.Fastening is with clamp body 3 by a left side Second half slot 103 and right second half slot 203 are corresponded to and are fixed together.
One end of long waist round hole shape sealing plate 4 is coaxially arranged with matches and is inserted partially into first through hole with first through hole In sealing ring 5, the axial direction of long waist round hole shape sealing plate 4 and sealing ring 5 is provided with the second through hole.Long waist round hole shape sealing plate 4 and sealing ring 5 can be integrally formed.Long waist round hole shape sealing plate 4 is to fastening with clamp body 3 away from left second half slot 103 and the right side One end of second half slot 203 is sealed.
Left side clamp body 1 is corresponding with right side clamp body 2 to abut, and left first half slot 101 is corresponding with right first half slot 201 Form the first circular trough, the second half slot of a left side 103 and right second half slot 203 are correspondingly formed the second circular trough, left groove and Right groove forms cavity, and the second circular trough connects the first circular trough by cavity.
The junction of the first half slot 101 of a left side and left connector 102 is provided with left side opening, the first half slot of the right side 201 with The junction of right connector 202 is provided with right openings, and the second through hole, first through hole, the second circular trough and cavity are sequentially communicated, The space of valve rod 7 is reserved, cavity connects the first circular trough jointly by left side opening with right openings.
, specifically can be as follows for connecting fixed form:Long waist round hole shape sealing plate 4 is logical with long waist round hole shape cylinder 302 Bolt 6 is crossed to be fixedly connected.Left connector 102 is fixedly connected with right connector 202 by bolt 6.After being fixedly connected.
Two end faces of two end faces of left second half slot 103 respectively with right second half slot 203 abut.Left the first half Two end faces of two end faces of circular groove 101 respectively with right first half slot 201 abut.
The clamping of left side clamp body and right side clamp body can be realized based on above-mentioned technical proposal, and ensures leakproofness.
For greasing, greasing hole 9 is reserved with right connector 202, the convenient greasing mouth that accesses carries out greasing.
When in use, concrete operations can carry out as follows:
The first step smears fast solid glue
Fast solid glue will be filled at left side clamp body and right side clamp body interior grooves.
Second step installs fixture
Left side clamp body and right side clamp body are installed to root valve, tightens and is bolted position, by fastening fixture Body is screwed onto on the screw thread of fixture, is accessed greasing mouth to greasing hole 9, is installed valve switch.
3rd step injecting seals
Graphite grazing agent is injected in fixture cavity by adhesive pouring nozzle using high pressure injection gun, in the event of secondary leakage When, it can be solved by glue.
After the completion of injecting is installed, check whether each position of fixture newly installed has leakage.
As shown in figure 4, after pressure gauge root valve tape-pressure leakage clogging device is installed on pressure gauge root 8, pressure gauge root valve Tape-pressure leakage clogging device and leakage outer surface composition sealing cavity, then sealant is injected from greasing hole 9 to sealing cavity, so as to reach The purpose stopped a leak, has reached requirements above.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality Within new spirit and principle, any modification, equivalent replacement, improvement and so on, should be included in the guarantor of the utility model Within the scope of shield.

Claims (9)

  1. A kind of 1. pressure gauge root valve tape-pressure leakage clogging device, it is characterised in that including:
    Left side clamp body (1), the left side clamp body (1) include left first half slot (101), left second half slot (103) with And connect the left connector of the end of left first half slot (101) and the end of left second half slot (103) (102), the axis of left second half slot (103) perpendicular to left first half slot (101) axis, described left The periphery of two half slots (103) is provided with external screw thread, and the side of the left connector (102) is provided with left groove;
    With the matched right side clamp body (2) of the left side clamp body (1), the right side clamp body (2) includes right first half slot (201), the end and right second half slot of right second half slot (203) and connection right first half slot (201) (203) the right connector (202) of end, the axis of right second half slot (203) is perpendicular to right first half slot (201) axis, external screw thread, the side of the right connector (202) are provided with the periphery of right second half slot (203) It is provided with right groove;
    By left second half slot (103) and the corresponding fastening fixture being fixed together of right second half slot (203) Body (3);
    And to the fastening clamp body (3) remote left second half slot (103) and right second half slot (203) the long waist round hole shape sealing plate (4) that one end is sealed;
    Wherein, the left side clamp body (1) is corresponding with right side clamp body (2) abuts, left first half slot (101) and right the One half slot (201) is correspondingly formed the first circular trough, and left second half slot (103) is corresponding with right second half slot (203) The second circular trough is formed, the left groove and the right groove form cavity, and second circular trough passes through the cavity Connect first circular trough.
  2. 2. pressure gauge root valve tape-pressure leakage clogging device according to claim 1, it is characterised in that:The fastening clamp body (3) include coaxially connected tube (301) and long waist round hole shape cylinder (302), set in the inner circumferential of the tube (301) There is internal thread, the tube (301) is threaded in the periphery of second circular trough, along the long waist round hole shape cylinder (302) axial direction is provided with first through hole, and cricoid carbon seal ring (303), the stone are fixed with the first through hole The length of black sealing ring (303) is less than the length of the first through hole, and the carbon seal ring (303) is inclined to the tube (301) set.
  3. 3. pressure gauge root valve tape-pressure leakage clogging device according to claim 2, it is characterised in that:The long waist round hole shape is close One end of sealing plate (4) is coaxially arranged with the sealing ring for matching and being inserted partially into the first through hole with the first through hole (5), the axial direction of the long waist round hole shape sealing plate (4) and the sealing ring (5) is provided with the second through hole.
  4. 4. pressure gauge root valve tape-pressure leakage clogging device according to claim 3, it is characterised in that:Left first half slot (101) left side opening, right first half slot (201) and the right side are provided with the junction of the left connector (102) The junction of connector (202) is provided with right openings, second through hole, the first through hole, second circular trough and The cavity is sequentially communicated, and the cavity connects first circle jointly by the left side opening with the right openings Groove.
  5. 5. pressure gauge root valve tape-pressure leakage clogging device according to claim 4, its feature exist:The long waist round hole shape sealing Plate (4) is fixedly connected with the long waist round hole shape cylinder (302) by bolt (6).
  6. 6. pressure gauge root valve tape-pressure leakage clogging device according to claim 4, its feature exist:The left connector (102) It is fixedly connected with the right connector (202) by bolt (6).
  7. 7. pressure gauge root valve tape-pressure leakage clogging device according to claim 6, its feature exist:Left second half slot (103) two end faces of two end faces respectively with right second half slot (203) abut.
  8. 8. pressure gauge root valve tape-pressure leakage clogging device according to claim 6, its feature exist:Left first half slot (101) two end faces of two end faces respectively with right first half slot (201) abut.
  9. 9. according to any pressure gauge root valve tape-pressure leakage clogging device of claim 4 to 8, its feature exists:The right connection Body (202) is provided with greasing hole (9), and the greasing hole (9) connects the cavity.
CN201721090614.9U 2017-08-29 2017-08-29 A kind of pressure gauge root valve tape-pressure leakage clogging device Active CN207335953U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721090614.9U CN207335953U (en) 2017-08-29 2017-08-29 A kind of pressure gauge root valve tape-pressure leakage clogging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721090614.9U CN207335953U (en) 2017-08-29 2017-08-29 A kind of pressure gauge root valve tape-pressure leakage clogging device

Publications (1)

Publication Number Publication Date
CN207335953U true CN207335953U (en) 2018-05-08

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ID=62371210

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721090614.9U Active CN207335953U (en) 2017-08-29 2017-08-29 A kind of pressure gauge root valve tape-pressure leakage clogging device

Country Status (1)

Country Link
CN (1) CN207335953U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
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: 430223 Hubei Wuhan City, Wuhan City, East Lake New Technology Development Zone Optics Valley Avenue No. 126 Sichuan Gas East pipeline project, the 1-5 layer of the Wuhan control center

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.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211101

Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013

Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd.

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: Sichuan East Natural Gas Pipeline Co.,Ltd.