CN211527736U - Anti-bouncing device for oil pipe air-tight seal detection - Google Patents

Anti-bouncing device for oil pipe air-tight seal detection Download PDF

Info

Publication number
CN211527736U
CN211527736U CN202020046850.6U CN202020046850U CN211527736U CN 211527736 U CN211527736 U CN 211527736U CN 202020046850 U CN202020046850 U CN 202020046850U CN 211527736 U CN211527736 U CN 211527736U
Authority
CN
China
Prior art keywords
barrel
oil pipe
bolt
blocking part
cylinder
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.)
Active
Application number
CN202020046850.6U
Other languages
Chinese (zh)
Inventor
李沛轩
王立志
胡强
李旭东
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.)
Tongao Testing Group Co.,Ltd.
Original Assignee
Xinjiang Tong'ao Oil Field Technology Service 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 Xinjiang Tong'ao Oil Field Technology Service Co ltd filed Critical Xinjiang Tong'ao Oil Field Technology Service Co ltd
Priority to CN202020046850.6U priority Critical patent/CN211527736U/en
Application granted granted Critical
Publication of CN211527736U publication Critical patent/CN211527736U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Examining Or Testing Airtightness (AREA)

Abstract

The utility model relates to a sealed check out test set technical field especially relates to an anti-bouncing device that is arranged in the airtight detection of oil pipe. Comprises a cylinder and a blocking part; the barrel body is a through barrel with openings at two ends, and the outer wall of the first end of the barrel body is provided with external threads for connecting with the internal threads of the tubing coupling; the blocking part is detachably connected or rotatably connected with the second end of the cylinder; when the blocking part and the second end of the cylinder body are in the second connection state, the blocking part transversely blocks the opening of the second end of the cylinder body to partially block the opening of the second end of the cylinder body, and when the blocking part and the second end of the cylinder body are in the second connection state, the blocking part releases the partial blocking of the opening of the second end of the cylinder body. The blocking part of the anti-tripping device for oil pipe air-tight seal detection can be in a first connection state with the barrel, and shields the opening of part of the barrel, so that the air-tight seal detection device can be prevented from tripping out of the oil pipe, and meanwhile, a proper space is ensured for the gas transmission pipeline and the steel cable to pass through.

Description

Anti-bouncing device for oil pipe air-tight seal detection
Technical Field
The utility model relates to a sealed check out test set technical field especially relates to an anti-bouncing device that is arranged in the airtight detection of oil pipe.
Background
The oil pipe is an important pipeline tool in oil and gas production, and needs to have good air tightness, so that the air tightness detection of the oil pipe is needed.
The oil pipe air-tight seal detection is that a detection tool is placed at the upper end and the lower end of a screw thread in an oil pipe to form a closed space, then a supercharger is used for pressurizing detection gas, the detection gas is injected into the closed space, the pressure is pressurized again to be measured, the pressure is kept for a certain time, and the sealing performance of the oil pipe is detected in the process.
But in the pressure release stage that finishes detecting, the condition that the packing element was not the deblocking simultaneously about having in the operating condition leads to forming annular space high-pressure area in detection instrument and the oil pipe for the detection instrument "jumps" oil pipe under the effect of pressure, outside the pressure effect departure oil pipe promptly, produces easily that the detection instrument damages or accidentally injures staff's the condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel structure be arranged in oil pipe is airtight to detect prevent jumping device makes it solve above-mentioned technical problem.
The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. The foundation the utility model provides a prevent jumping device for in oil pipe is airtight to be detected, include:
the oil pipe coupling comprises a barrel body, wherein the barrel body is a through barrel with openings at two ends, and the outer wall of the first end of the barrel body is provided with external threads for being connected with the internal threads of the oil pipe coupling;
the blocking part is detachably connected or rotatably connected with the second end of the barrel;
when the blocking part and the second end of the cylinder body are in a first connection state, the blocking part is transversely blocked at the opening of the second end of the cylinder body to partially block the opening of the second end of the cylinder body, and when the blocking part and the second end of the cylinder body are in a second connection state, the blocking part releases the partial blocking of the opening of the second end of the cylinder body.
The purpose of the utility model and the technical problem thereof can be further realized by adopting the following technical measures.
Optionally, the anti-jump device for oil pipe hermetic seal detection is provided, wherein the cylinder body is stepped and comprises a first step cylinder and a second step cylinder, and a diameter of the first step cylinder is smaller than a diameter of the second step cylinder;
the first step is a part of the cylinder body, which extends from the first end to the second end, the outer wall of the first step is provided with the external thread, when the cylinder body is connected with the tubing coupling, the first step is in threaded connection with the tubing coupling, and the second step is positioned outside the interface of the tubing coupling.
Optionally, in the anti-tripping device for oil pipe hermetic seal detection, a through hole penetrating through two sides of the cylinder body is formed in an outer wall of the second stage cylinder of the cylinder body;
the blocking part comprises a plug pin, and the plug pin is detachably connected with the through hole in an inserting mode.
Optionally, the anti-jump device for detecting oil pipe air-tight seal further includes a flexible connecting member and a limiting member, a first end of the connecting member is connected to a first end of the plug pin, and a second end of the connecting member is connected to the limiting member;
the second end of the bolt is provided with a limiting hole, and the limiting part is detachably connected with the limiting hole.
Optionally, in the anti-tripping device for oil pipe air-tight seal detection, the connecting element is a connecting rope or an elastic strip;
the limiting piece is one of a spring clip, a bolt or a conical pin.
Optionally, the anti-tripping device for detecting the airtight seal of the oil pipe further comprises two plug connectors, two ends of the plug pin are respectively provided with an insertion hole, and the two plug connectors are detachably inserted into the two insertion holes respectively.
Optionally, in the anti-tripping device for oil pipe hermetic seal detection, an elastic supporting portion is disposed on a side wall of a first end of the plug pin, a second end of the plug pin is inserted into the through hole, and after the second end of the plug pin extends out of the through hole on one side of the cylinder by a preset distance, the elastic supporting portion is supported against the through hole on the other side of the cylinder to limit the plug pin.
Optionally, in the anti-tripping device for oil pipe air-tight seal detection, a bolt is arranged on one side of the outer wall of the second step cylinder;
the blocking part comprises a rod body and a bolt ring, the first end of the rod body is hinged with the end part of the second end of the barrel, the connecting position of the first end of the rod body is positioned on the side opposite to the outer wall where the bolt is positioned, and the second end of the rod body is rotatably connected with the bolt ring;
when the blocking part and the second end of the barrel are in a first connection state, the second end of the rod body rotates to one side of the bolt, and the bolt ring is sleeved with the bolt.
Optionally, in the anti-tripping device for oil pipe hermetic seal detection, a threaded hole penetrating through two sides of the cylinder body is formed in the outer wall of the second step cylinder;
the blocking portion is a bolt, and when the blocking portion and the second end of the barrel are in a first connection state, the bolt penetrates through the threaded hole and is connected with the threaded hole.
Borrow by above-mentioned technical scheme, the utility model is used for anti-bouncing device in the airtight detection of oil pipe has following advantage at least:
the embodiment of the utility model provides a prevent jumping device for among oil pipe airtight detection, it includes barrel and stop part to set up the barrel into the logical section of thick bamboo of both ends open-ended, barrel and oil pipe coupling's female connection back like this can guarantee the opening of oil pipe coupling and the connectivity between the oil pipe, makes during gas tightness detection device can enter into oil pipe through the barrel, does not exert an influence to placing of gas tightness detection device. In addition, the blocking part can be in a first connection state and a second connection state with the barrel, when in the first connection state, the blocking part blocks the opening of part of the barrel, so that the air tightness detection device can be prevented from jumping out of an oil pipe, and meanwhile, a proper space for the gas pipeline and a steel cable connected with the air tightness detection device to pass through is ensured.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
Fig. 1 is a schematic structural diagram of connection between an anti-bounce device and a tubing coupling for use in oil tube hermetic seal detection according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a barrel of an anti-bounce device used in oil pipe air-tight seal detection according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a blocking portion of an anti-bounce device used in oil pipe air-tight seal detection according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another anti-jump device for oil pipe air-tight seal detection according to an embodiment of the present invention.
The designations in fig. 1-4 correspond to:
1-barrel, 11-external thread, 12-first step, 13-second step, 14-bolt, 15-through hole, 2-blocking part, 21-bolt, 22-connecting piece, 23-limiting piece, 24-rod body, 25-bolt ring, 3-oil pipe, 4-air tightness detection device, 5-steel cable and 6-oil pipe coupling.
Detailed Description
To further illustrate the technical means and effects of the present invention for achieving the objectives of the present invention, the following detailed description will be given, with reference to the accompanying drawings and preferred embodiments, to the specific embodiments, structures, features and effects of the anti-jump device for oil pipe hermetic seal detection according to the present invention. In the following description, different "one embodiment" or "an embodiment" refers to not necessarily the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
As shown in fig. 1-3, an anti-jump device for oil pipe hermetic seal detection according to an embodiment of the present invention includes a cylinder 1 and a blocking portion 2; the cylinder body 1 is a through cylinder with openings at two ends, and the outer wall of the first end of the cylinder body 1 is provided with an external thread 11 for being connected with an internal thread of the tubing coupling 6; the blocking part 2 is detachably connected or rotatably connected with the second end of the barrel 1; when the blocking part 2 and the second end of the barrel body 1 are in a first connection state, the blocking part 2 transversely blocks the opening at the second end of the barrel body 1 to partially block the opening at the second end of the barrel body 1, and when the blocking part 2 and the second end of the barrel body 1 are in a second connection state, the blocking part 2 releases partial blocking of the opening at the second end of the barrel body 1.
Specifically, the barrel 1 may be made of a plastic material, and the external thread 11 on the outer wall of the barrel 1 may also be integrally formed with the barrel 1, and at this time, the specific structure of the barrel 1 may refer to the structure of a thread protector. The outer diameter of the cylinder 1 needs to be matched with the inner diameter of the tubing coupling 6 to ensure that the cylinder and the tubing coupling can be in threaded connection, the wall thickness of the cylinder 1 cannot be too thick, and the cylinder 1 needs to be ensured to have an inner diameter channel with enough size to pass through the air tightness detection device 4. In addition, the external thread 11 on the outer wall of the barrel 1 may be a full outer thread 11 extending from the first end to the second end, or may be an external thread 11 on a partial outer wall, and may be set according to actual and practical requirements.
The blocking part 2 is a structure for blocking the opening of the second end of the cylinder 1, and may be a combination body composed of a plurality of parts, or may be a single part, as long as it can be rotatably connected or detachably connected with the second end of the cylinder 1, and can have two connection states with the cylinder 1, that is, the first connection state needs to block the opening of the second end of the cylinder 1, so as to block the problem that the air tightness detecting device 4 jumps out of the oil pipe 3, and the second connection state releases the blocking of the opening of the second end of the cylinder 1, so that the air tightness detecting device 4 can smoothly go down into the oil pipe 3 through the cylinder 1.
The embodiment of the utility model provides a prevent jumping device for among oil pipe airtight detection, it includes barrel 1 and stop part 2 to set up barrel 1 into the logical section of thick bamboo of both ends open-ended, barrel 1 and oil pipe coupling 6's female connection back like this, can guarantee the opening of oil pipe coupling 6 and the connectivity between oil pipe 3, make gas tightness detection device 4 can enter into oil pipe 3 through barrel 1 in, do not exert an influence to placing of gas tightness detection device 4. In addition, the blocking part 2 can be in a first connection state and a second connection state with the cylinder 1, when in the first connection state, the blocking part 2 blocks part of the opening of the cylinder 1, so that the air tightness detection device 4 can be prevented from jumping out of the oil pipe 3, and meanwhile, a proper space for the air transmission pipeline and the steel cable 5 connected with the air tightness detection device 4 to pass through is ensured, and when in the second connection state, the opening of the cylinder 1 is not blocked by the blocking part 2 at all, so that the air tightness detection device 4 can pass through, namely, the air tightness detection device 4 is not influenced to be placed in the oil pipe 3.
In implementations where the barrel 1 may be a through barrel having a uniform diameter outer wall, as shown in figures 1-3, the external threads 11 may extend from the first end to the second end of the barrel 1, such that both ends of the barrel 1 may be used as the ends that extend into and connect with the tubing collar 6. Or the barrel 1 may be stepped, and considering the connection with the tubing collar 6 and considering the need of connecting the blocking part 2 to the second end of the barrel 1, it is preferable to provide the barrel 1 with a step shape, in which the barrel 1 includes a first step barrel 12 and a second step barrel 13, and the diameter of the first step barrel 12 is smaller than that of the second step barrel 13; the first step 12 is a part of the cylinder body 1 extending from the first end to the second end, the external thread 11 is arranged on the outer wall of the first step 12, when the cylinder body 1 is connected with the tubing coupling 6, the first step 12 is in threaded connection with the tubing coupling 6, and the second step 13 is located outside an interface of the tubing coupling 6.
Specifically, through setting up barrel 1 to the step form to set up external screw thread 11 at the outer wall of the less first step 12 of diameter, then barrel 1 is connected with tubing coupling 6, can stop when screw-thread fit to second step 13 and tubing coupling 6 opening laminating, the setting of step form can play spacing function promptly, can make second step 13 be located outside the opening of tubing coupling 6 simultaneously, be convenient for connect stop part 2, and be convenient for the switching between stop part 2 and the barrel 1 first connection state and the second connection state.
In specific implementation, the embodiment of the utility model provides a several kinds of blocking parts 2's of preferred concrete structure to and the connected mode between blocking part 2 and the barrel 1:
firstly, as shown in fig. 1-3, a through hole 15 penetrating through two sides of the cylinder 1 is arranged on the outer wall of the second stage cylinder 13 of the cylinder 1; the blocking part 2 comprises a plug pin 21, and the plug pin 21 is detachably inserted into the through hole 15.
Specifically, the through hole 15 formed through the through hole may be a circular hole or a polygonal hole, the plug 21 needs to be adapted to the shape and size of the through hole 15, preferably, a clearance fit is adopted, the plug 21 may be inserted into the through hole 15 on one side of the cylinder 1 and extend out of the through hole 15 on the other side, so as to shield a part of the second end opening of the cylinder 1, so that the second end opening of the cylinder 1 has a certain space for the gas transmission pipeline and the steel wire rope to pass through, and at the same time, the gas sealing detection device may be prevented from being ejected out of the oil pipe 3.
Further, the blocking portion 2 further includes a flexible connecting member 22 and a limiting member 23, a first end of the connecting member 22 is connected to a first end of the plug 21, and a second end of the connecting member 22 is connected to the limiting member 23; wherein, the second end of bolt 21 is provided with spacing hole, locating part 23 with spacing hole detachable is connected.
In particular, the connecting element 22 may be a connecting rope or an elastic strip; the stop 23 may be one of a spring clip, a bolt, or a tapered pin. Thus, after the first step 12 of the cylinder 1 is connected to the tubing coupling 6, the plug pin 21 of the blocking part 2 is not inserted into the through hole 15 of the second step 13 of the cylinder 1, so that the blocking part 2 and the cylinder 1 are in a second connection state, i.e. the plug pin 21 of the blocking part 2 does not shield the opening of the second end of the cylinder 1 and can pass through the air tightness detection device 4; after the air tightness detection device 4 is placed into the oil pipe 3 through the barrel 1, the bolt 21 is inserted into the through hole 15 of the second step barrel 13, the second end of the bolt 21 extends out of the barrel 1, the limiting hole of the bolt 21 is exposed, the limiting piece 23 is inserted into the limiting hole, limiting of the bolt 21 is achieved, the bolt 21 is locked in the through hole 15 of the second step barrel 13 through the combined action of the connecting piece 22 and the limiting piece 23 at the moment, it is guaranteed that the bolt 21 cannot fall off from the through hole 15, the blocking portion 2 and the barrel 1 are in the first connection state, and the air tightness detection device 4 can be prevented from being popped out of the oil pipe 3.
Or, the blocking portion 2 further includes two plug connectors (not shown in the figure), two ends of the plug pin 21 are respectively provided with an insertion hole, and the two plug connectors are detachably inserted into the two insertion holes respectively.
Specifically, the two ends of the plug 21 are respectively provided with the plugging holes, so that after the plug 21 is inserted into the through hole 15 of the second-stage barrel 13, the plugging holes at the two ends of the plug 21 are respectively located at the two sides of the barrel 1, and thus, after the plug is inserted into the plugging holes, the plug 21 can be limited. Wherein the plug may be a tapered cylinder.
Alternatively, an elastic supporting part (not shown) may be provided on the sidewall of the first end of the plug 21, such as a spring, a ball or a rubber layer protruding from the sidewall of the first end of the plug 21. Therefore, the second end of the plug pin 21 is inserted into the through hole 15, and after the second end of the plug pin 21 extends out of the through hole 15 on one side of the cylinder 1 for a preset distance, the elastic supporting part is supported in the through hole 15 on the other side of the cylinder 1, and the plug pin 21 is limited.
Secondly, as shown in fig. 4, a stud 14 may be provided on one side of the outer wall of the second step cylinder 13; the blocking part 2 comprises a rod body 24 and a bolt ring 25, wherein a first end of the rod body 24 is hinged with the end part of a second end of the barrel 1, the connecting position is positioned at the side opposite to the outer wall of the bolt 14, and the second end of the rod body 24 is rotatably connected with the bolt ring 25. The bolt 14 may be a cylinder with a circular or polygonal cross section, and the bolt ring 25 needs to have the same cross section as the bolt 14 and has a size adapted to the bolt 14 to ensure that the two can be in clearance fit.
Specifically, after the first step 12 of the barrel 1 is connected to the tubing coupling 6, the rod body 24 and the collar 25 of the blocking portion 2 are not moved, that is, the collar 25 is not connected to the stud 14, so that the blocking portion 2 and the barrel 1 are in a second connection state, that is, the rod body 24 of the blocking portion 2 does not shield the opening at the second end of the barrel 1, and the blocking portion 2 and the barrel 1 can pass through the air tightness detection device 4; after the air tightness detection device 4 is put into the oil pipe 3 through the barrel 1, the rod body 24 and the bolt ring 25 are rotated until the bolt ring 25 is positioned at one side of the bolt 14, and the bolt ring 25 is sleeved on the bolt 14, at this time, the blocking part 2 and the barrel 1 are in a first connection state, and the rod body 24 can block the air tightness detection device 4 from popping out of the oil pipe 3.
Thirdly, threaded holes penetrating through two sides of the cylinder body 1 are formed in the outer wall of the second step cylinder 13; the blocking portion 2 is a bolt (not shown in the figure), and when the blocking portion 2 and the second end of the barrel 1 are in a first connection state, the bolt penetrates through the threaded hole and is connected with the threaded hole.
Specifically, the blocking portion 2 is set to be a bolt, and a threaded hole is formed in the wall of the second step cylinder 13, so that the connection mode is convenient, the bolt is required to be matched with the threaded hole, the bolt has enough length, and the bolt can extend into the threaded hole on one side of the cylinder body 1 and extend out of the threaded hole on the other side. Wherein the blocking part 2 is detachably connected with the cylinder 1.
The specific use of the blocking portion 2 in this case can be referred to the above description, and will not be described herein again.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims (9)

1. An anti-bounce device for oil pipe air-tight seal detection is characterized by comprising:
the oil pipe coupling comprises a barrel body, wherein the barrel body is a through barrel with openings at two ends, and the outer wall of the first end of the barrel body is provided with external threads for being connected with the internal threads of the oil pipe coupling;
the blocking part is detachably connected or rotatably connected with the second end of the barrel;
when the blocking part and the second end of the cylinder body are in a first connection state, the blocking part is transversely blocked at the opening of the second end of the cylinder body to partially block the opening of the second end of the cylinder body, and when the blocking part and the second end of the cylinder body are in a second connection state, the blocking part releases the partial blocking of the opening of the second end of the cylinder body.
2. The anti-jump device used in the hermetic seal detection of the oil pipe is characterized in that,
the barrel is step-shaped and comprises a first step barrel and a second step barrel, and the diameter of the first step barrel is smaller than that of the second step barrel;
the first step is a part of the cylinder body, which extends from the first end to the second end, the outer wall of the first step is provided with the external thread, when the cylinder body is connected with the tubing coupling, the first step is in threaded connection with the tubing coupling, and the second step is positioned outside the interface of the tubing coupling.
3. The anti-jump device for oil pipe hermetic seal detection according to claim 2,
the outer wall of the second-stage cylinder of the cylinder body is provided with a through hole penetrating through two sides of the cylinder body;
the blocking part comprises a plug pin, and the plug pin is detachably connected with the through hole in an inserting mode.
4. The anti-jump device for oil pipe hermetic seal detection according to claim 3,
the blocking part also comprises a flexible connecting piece and a limiting piece, wherein the first end of the connecting piece is connected with the first end of the bolt, and the second end of the connecting piece is connected with the limiting piece;
the second end of the bolt is provided with a limiting hole, and the limiting part is detachably connected with the limiting hole.
5. The anti-jump device used in the hermetic seal detection of the oil pipe is characterized in that,
the connecting piece is a connecting rope or an elastic strip body;
the limiting piece is one of a spring clip, a bolt or a conical pin.
6. The anti-jump device for oil pipe hermetic seal detection according to claim 3,
the blocking part further comprises two plug connectors, the two ends of the plug pin are respectively provided with an inserting hole, and the two plug connectors are detachably inserted into the two inserting holes respectively.
7. The anti-jump device for oil pipe hermetic seal detection according to claim 3,
the side wall of the first end of the bolt is provided with an elastic supporting part, the second end of the bolt is inserted into the through hole and extends out of the through hole on one side of the barrel for a preset distance, and the elastic supporting part supports against the through hole on the other side of the barrel to limit the bolt.
8. The anti-jump device for oil pipe hermetic seal detection according to claim 2,
one side of the outer wall of the second step cylinder is provided with a bolt column;
the blocking part comprises a rod body and a bolt ring, the first end of the rod body is hinged with the end part of the second end of the barrel, the connecting position of the first end of the rod body is positioned on the side opposite to the outer wall where the bolt is positioned, and the second end of the rod body is rotatably connected with the bolt ring;
when the blocking part and the second end of the barrel are in a first connection state, the second end of the rod body rotates to one side of the bolt, and the bolt ring is sleeved with the bolt.
9. The anti-jump device for oil pipe hermetic seal detection according to claim 2,
the outer wall of the second-stage barrel is provided with a threaded hole penetrating through two sides of the barrel body;
the blocking portion is a bolt, and when the blocking portion and the second end of the barrel are in a first connection state, the bolt penetrates through the threaded hole and is connected with the threaded hole.
CN202020046850.6U 2020-01-10 2020-01-10 Anti-bouncing device for oil pipe air-tight seal detection Active CN211527736U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020046850.6U CN211527736U (en) 2020-01-10 2020-01-10 Anti-bouncing device for oil pipe air-tight seal detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020046850.6U CN211527736U (en) 2020-01-10 2020-01-10 Anti-bouncing device for oil pipe air-tight seal detection

Publications (1)

Publication Number Publication Date
CN211527736U true CN211527736U (en) 2020-09-18

Family

ID=72468793

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020046850.6U Active CN211527736U (en) 2020-01-10 2020-01-10 Anti-bouncing device for oil pipe air-tight seal detection

Country Status (1)

Country Link
CN (1) CN211527736U (en)

Similar Documents

Publication Publication Date Title
CN210483796U (en) Gas safety sampling device for high-gas coal seam
CN105840892B (en) Foamite container valve
CN211527736U (en) Anti-bouncing device for oil pipe air-tight seal detection
CN219327892U (en) Internal expansion type plugging head
CN111089689A (en) Anti-bouncing device for oil pipe air-tight seal detection
CN209786066U (en) Battery seal nail, cover plate assembly and battery
CN207318008U (en) A kind of sealing device for aircraft conduit seal tightness test
US4047423A (en) Leak detector for engine chambers
US10358912B2 (en) Test tube with an inlet for filling with fluid and expelling air, and with enhanced resistance and sealing for the BOP testing step in drilling systems
CN211262634U (en) Fire-fighting pipeline air tightness detection device
CN216009981U (en) Air pipe connecting device for air tightness detection of civil air defense engineering
KR20130045253A (en) Measuring needle with non return valve function
CN209745550U (en) Two-way pressure test device of back pressure valve
CN103776595A (en) Detection method and detection tool for seal performance of thread pipe
CN204731095U (en) A kind of grip device of tank burst pressure detector
CN209841299U (en) Natural gas pipeline detection device
CN203275027U (en) Detection tool for detecting seal performance of pipe thread
CN218326405U (en) Emergency pressure relief device of pipe fitting pressure test equipment
CN207906540U (en) A kind of novel extinguishing device container value
CN207701126U (en) A kind of head harness with detection tension
CN201803835U (en) Diameter changing nipple thread leakage seeker in pipelines
CN216646110U (en) Fire hose damage detection device
CN218979168U (en) Luer connector and medical article with same
CN220794541U (en) Plugging structure for sealing test of engine cylinder water channel
CN211145757U (en) Natural gas line end cap

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 841600 National Highway 314 Chengdong Development Zone Tongao company, Luntai County, Bayingolin Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region

Patentee after: Tongao Testing Co.,Ltd.

Address before: 841600 National Highway 314 Chengdong Development Zone Tongao company, Luntai County, Bayingolin Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region

Patentee before: XINJIANG TONG'AO OIL FIELD TECHNOLOGY SERVICE Co.,Ltd.

Address after: 841600 National Highway 314 Chengdong Development Zone Tongao company, Luntai County, Bayingolin Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region

Patentee after: Tongao Testing Group Co.,Ltd.

Address before: 841600 National Highway 314 Chengdong Development Zone Tongao company, Luntai County, Bayingolin Mongol Autonomous Prefecture, Xinjiang Uygur Autonomous Region

Patentee before: Tongao Testing Co.,Ltd.