CN211526095U - Gas leakage detector for long-distance natural gas pipeline - Google Patents

Gas leakage detector for long-distance natural gas pipeline Download PDF

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Publication number
CN211526095U
CN211526095U CN201921936600.3U CN201921936600U CN211526095U CN 211526095 U CN211526095 U CN 211526095U CN 201921936600 U CN201921936600 U CN 201921936600U CN 211526095 U CN211526095 U CN 211526095U
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China
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pipe shell
shell
natural gas
tube
lower pipe
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Expired - Fee Related
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CN201921936600.3U
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Chinese (zh)
Inventor
李强
薄大鹏
王刚
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Individual
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Individual
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Abstract

The utility model provides a gas leakage detector for a long-distance natural gas pipeline, which comprises an upper pipe shell and a lower pipe shell; the upper pipe shell and the lower pipe shell are both of semi-tubular structures, are connected together in an up-down symmetrical manner, and are combined into a hollow pipeline structure; the left end and the right end of the top of the lower pipe shell are provided with seven threaded connecting holes, and the bottom of the connecting bolt is connected into the top of the lower pipe shell; the utility model discloses can seal the protection in the natural gas line outside of required detection with the lower shell suit in the natural gas line outside of going up the tube and going down the tube, when natural gas line leakage point is located the sealed body that last tube and lower tube combined inside, the natural gas that leaks gets into in the sealed body that tube and lower tube combined, surveys through the manometer and shows sealed body internal pressure numerical value, can judge natural gas line leakage point position.

Description

Gas leakage detector for long-distance natural gas pipeline
Technical Field
The utility model belongs to the technical field of the natural gas line detects, more specifically says, in particular to long defeated natural gas line gas leakage detector.
Background
Along with the continuous development of economy in China, the urbanization in China is also continuously improved, the use amount of natural gas is also gradually increased, the natural gas is mainly conveyed through a pipeline in the conveying process, and the phenomena of pipeline air leakage and the like exist during the pipeline conveying, so that a large amount of gas easily leaks into the air, resources are wasted, the environment is polluted, a fire disaster is more likely to happen, and great potential safety hazards exist;
the natural gas pipeline gas leakage detector can refer to the patent No. CN208596019U, and mainly comprises a plurality of branch pipes which are equidistantly distributed on a gas pipe, the outer side wall of each branch pipe is wrapped with a first sealing ring, the upper end of each branch pipe is screwed with a cover through a thread, a spring is fixed on the lower side surface of each cover, a sliding block is fixed at the lower end of each spring, the peripheral wall of each sliding block is in contact arrangement with the inner side wall of each branch pipe through a graphite layer, a support is arranged on the inner side wall of each gas pipe, a control switch is arranged on each support, the upper side of each control switch is in contact arrangement with the corresponding sliding block, each control switch is connected with a buzzer, the buzzers are arranged on the outer side wall of each gas pipe, and the;
the existing similar natural gas pipeline gas leakage detector is poor in sealing protection effect of a detected pipeline gas leakage point when detecting and using, generally needs personnel to carry special repair equipment and repair the pipeline gas leakage point timely and rightly, cannot temporarily seal the pipeline gas leakage point, is convenient for repair the pipeline gas leakage point in a unified way when in leisure, and easily leads to more complicated pipeline repair.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a long defeated natural gas line gas leakage detector to solve current similar natural gas line gas leakage detector when detecting the use, it is relatively poor to the sealed protective effect of the pipeline gas leakage point that detects out, it is timely right pipeline gas leakage point of repairing equipment to need personnel to carry to repair the operation usually, can't seal temporarily to pipeline gas leakage point, the personnel of being convenient for are repaired pipeline gas leakage point in a unified pair of at leisure time, lead to the more loaded down with trivial details problem of pipeline repair easily.
The utility model discloses long defeated natural gas line gas leakage detector's purpose and efficiency are reached by following specific technological means:
a gas leakage detector for a long-distance natural gas pipeline comprises an upper pipe shell, a lower pipe shell, an extension lug, a limiting bolt and a pressure gauge; the upper pipe shell and the lower pipe shell are both of semi-tubular structures, are connected together in an up-down symmetrical manner, and are combined into a hollow pipeline structure; the left end and the right end of the top of the lower pipe shell are provided with seven threaded connecting holes, and the bottom of the connecting bolt is connected into the top of the lower pipe shell; the extending lugs are positioned at four positions and are respectively positioned on the outer sides of the left end and the right end of the upper pipe shell and the outer sides of the left end and the right end of the lower pipe shell; the number of the connecting bolts is seven, and the connecting bolts are respectively positioned inside the left side and the right side of the upper tube shell; the limiting bolts are divided into an upper group and a lower group, and the four limiting bolts are respectively arranged in the four extending convex blocks; the pressure gauge is arranged on the end surface of the top of the upper tube shell.
Furthermore, the upper pipe shell and the lower pipe shell are mutually rotatably connected, the end surface of the bottom of the upper pipe shell is attached to the end surface of the top of the lower pipe shell, and the bottom of the pressure gauge is communicated with the inside of the upper pipe shell; the inner sides of the left and right pipe orifices of the upper pipe shell and the lower pipe shell are respectively embedded with a rubber sealing strip, and the front end and the rear end of the top end surface of the lower pipe shell are respectively embedded with a rubber sealing strip.
Furthermore, seven connecting bolts are arranged on the front side and the rear side of the bottom of the upper tube shell, the bottom of each connecting bolt is in threaded connection with threaded connecting holes formed in the left side and the right side of the top of the lower tube shell, and the upper tube shell is fixedly connected with the lower tube shell through the connecting bolts.
Furthermore, the connecting bolt is a countersunk head internal pentagonal bolt.
Furthermore, both ends are equipped with one respectively about the top tube shell and both ends are equipped with one respectively to extend the lug about the lower tube shell, and extend the equal threaded connection of lug inside and have a spacing bolt to upper and lower two sets of spacing bolt are the symmetrical arrangement form.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. go up the tube, the setting of lower tube and rubber seal strip, be favorable to in the natural gas line outside of required detection with last tube and lower tube suit, seal the protection in the natural gas line outside through last tube and lower tube, when natural gas line leakage point is located the sealed body that last tube and lower tube combined inside, the natural gas that leaks gets into in the sealed body that tube and lower tube combined, survey the demonstration to sealed body internal pressure numerical value through the manometer, can judge natural gas line leakage point position, so that the staff leisure time frame repairs the operation to natural gas line, guarantee natural gas line leakproofness.
2. The arrangement of the connecting bolt is favorable for fixedly connecting the upper pipe shell and the lower pipe shell together through the connecting bolt, so that the bottom end face of the upper pipe shell is more tightly attached to the rubber sealing strip at the top of the lower pipe shell, and the rubber sealing strips at the inner sides of the upper pipe shell and the lower pipe shell are more tightly attached to the outer wall of the natural gas pipeline, thereby ensuring the sealing effect of the upper pipe shell and the lower pipe shell on the outer side of the natural gas pipeline; and the arrangement of the pentagonal bolt in the countersunk head is adopted in cooperation with the connecting bolt, the disassembly difficulty of the upper pipe shell and the lower pipe shell on the outer side of the natural gas pipeline can be improved, and the phenomenon that the upper pipe shell and the lower pipe shell are disassembled from the natural gas pipeline gas leakage point and sold by idle personnel to influence the sealing protection performance of the upper pipe shell and the lower pipe shell on the natural gas pipeline gas leakage point is avoided.
3. The arrangement of the extending lug and the limiting bolt is beneficial to extending the limiting bolt inside the lug in four places by rotating, so that the inner side of the limiting bolt is attached to the outer wall of the natural gas pipeline, the mounting positions of the upper pipe shell and the lower pipe shell are limited and fixed by the limiting bolt, and the stability of the installation and use of the upper pipe shell and the lower pipe shell is guaranteed.
Drawings
Fig. 1 is a schematic front side axial view structure of the present invention.
Fig. 2 is a schematic diagram of a rear axial view structure of the present invention.
Fig. 3 is a schematic view of the opening/closing shaft structure of the present invention.
Fig. 4 is an axial view structural schematic diagram of the upper tube shell of the present invention.
Fig. 5 is an axial view of the lower shell according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. an upper pipe shell; 2. a pipe shell is arranged; 201. connecting a threaded hole; 3. a rubber seal strip; 4. an extension bump; 5. A connecting bolt; 6. a limit bolt; 7. and a pressure gauge.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 5:
the utility model provides a gas leakage detector for a long-distance natural gas pipeline, which comprises an upper pipe shell 1, a lower pipe shell 2, an extension lug 4, a limit bolt 6 and a pressure gauge 7; the upper pipe shell 1 and the lower pipe shell 2 are both of a semi-tubular structure, the upper pipe shell 1 and the lower pipe shell 2 are symmetrically connected together in an up-down manner, and the upper pipe shell 1 and the lower pipe shell 2 are combined into a hollow pipeline structure; the left end and the right end of the top of the lower shell 2 are provided with seven threaded connecting holes 201, and the bottom of the connecting bolt 5 is connected into the top of the lower shell 2; the extending lugs 4 are arranged at four positions, and the extending lugs 4 are respectively positioned on the outer sides of the left and right ends of the upper tube shell 1 and the outer sides of the left and right ends of the lower tube shell 2; the number of the connecting bolts 5 is seven, and the connecting bolts 5 are respectively positioned inside the left side and the right side of the upper tube shell 1; the limiting bolts 6 are divided into an upper group and a lower group, and the four limiting bolts 6 are respectively arranged in the four extending lugs 4; the pressure gauge 7 is arranged on the top end surface of the upper pipe shell 1.
The upper pipe shell 1 and the lower pipe shell 2 are mutually rotatably connected, the bottom end face of the upper pipe shell 1 is attached to the top end face of the lower pipe shell 2, and the bottom of the pressure gauge 7 is communicated with the interior of the upper pipe shell 1; the inner sides of the left and right pipe orifices of the upper pipe shell 1 and the lower pipe shell 2 are respectively embedded with a rubber sealing strip 3, and the front end and the rear end of the top end surface of the lower pipe shell 2 are respectively embedded with a rubber sealing strip 3; the concrete effect, can with the natural gas line outside that upper tube shell 1 and lower tube shell 2 suit need detect, seal the protection in the natural gas line outside through upper tube shell 1 and lower tube shell 2, when the natural gas line leakage point is located the sealed body that upper tube shell 1 and lower tube shell 2 make up inside, the natural gas that leaks gets into in the sealed body that upper tube shell 1 and lower tube shell 2 make up, survey the display through manometer 7 to sealed body internal pressure numerical value, can judge natural gas line leakage point position, so that the staff time frame is free and repair the operation to natural gas line, guarantee the natural gas line leakproofness.
The front side and the rear side of the bottom of the upper tube shell 1 are provided with seven connecting bolts 5, the bottom of each connecting bolt 5 is in threaded connection with threaded connecting holes 201 formed in the left side and the right side of the top of the lower tube shell 2, and the upper tube shell 1 is fixedly connected with the lower tube shell 2 through the connecting bolts 5; concrete function, accessible connecting bolt 5 is in the same place last tube 1 and 2 fixed connection of lower tube, makes the inseparabler laminating of 1 bottom terminal surface of last tube on 2 top rubber seal strips 3 of lower tube, goes up tube 1 and 2 pipe orifice inboard rubber seal strips 3 inseparabler laminating of lower tube on the natural gas line outer wall, and the effect is sealed to the natural gas line outside to tube 1 and lower tube shell 2 in the guarantee.
Wherein, the connecting bolt 5 adopts a countersunk head inner pentagonal bolt; the concrete effect can promote the difficulty of disassembling shell 1 and lower tube shell 2 on the natural gas line outside, avoids the miscellaneous personnel of idle to disassemble shell 1 and lower tube shell 2 from the natural gas line gas leakage point and gets off the transformation and sell, influences shell 1 and lower tube shell 2 and to the sealed protectiveness of natural gas line gas leakage point.
The left end and the right end of the upper pipe shell 1 and the left end and the right end of the lower pipe shell 2 are respectively provided with an extension lug 4, the inner parts of the extension lugs 4 are respectively in threaded connection with a limit bolt 6, and the upper limit bolt 6 and the lower limit bolt 6 are symmetrically arranged; the concrete effect, the accessible rotates the inside stop bolt 6 of 4 lugs that extend everywhere, makes 6 inboard laminating of stop bolt on the natural gas line outer wall, carries out spacing fixed to last tube 1 and 2 installation site down tube shells through stop bolt 6, the stability of guaranteeing to go up tube 1 and 2 installation uses of down tube shells.
The specific use mode and function of the embodiment are as follows:
when the utility model is used, an operator firstly sleeves the upper pipe shell 1 and the lower pipe shell 2 on the outer side of a natural gas pipeline to be detected, rotates the internal connecting bolt 5 of the upper pipe shell 1, fixedly connects the upper pipe shell 1 with the lower pipe shell 2, and performs sealing protection on the outer side of the natural gas pipeline through the upper pipe shell 1 and the lower pipe shell 2, and detects the internal pressure value of a sealed pipe body combined by the upper pipe shell 1 and the lower pipe shell 2 according to a pressure gauge 7 at the top of the upper pipe shell 1, and when the pressure gauge 7 is zero, the natural gas pipeline at the sleeved part of the upper pipe shell 1 and the lower pipe shell 2 can be judged to have no; when the natural gas pipeline leakage point is located inside the sealed pipe body combined by the upper pipe shell 1 and the lower pipe shell 2, leaked natural gas enters the sealed pipe body combined by the upper pipe shell 1 and the lower pipe shell 2, the internal pressure value of the sealed pipe body is measured and displayed through the pressure gauge 7, the pressure gauge 7 displays that the value changes, the natural gas pipeline leakage point can be judged, a worker can rotate the limiting bolts 6 on the left side and the right side of the upper pipe shell 1 and the lower pipe shell 2, the inner sides of the limiting bolts 6 are attached to the outer wall of the natural gas pipeline, the mounting parts of the upper pipe shell 1 and the lower pipe shell 2 are limited and fixed through the limiting bolts 6, so that the worker can repair the natural gas pipeline in leisure time periods, and the tightness of the natural gas pipeline is guaranteed.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides a long defeated natural gas line gas leakage detector which characterized in that: the device comprises an upper pipe shell (1), a lower pipe shell (2), an extension lug (4), a limiting bolt (6) and a pressure gauge (7); the upper pipe shell (1) and the lower pipe shell (2) are both of a semi-tubular structure, the upper pipe shell (1) and the lower pipe shell (2) are symmetrically connected together in an up-down manner, and the upper pipe shell (1) and the lower pipe shell (2) are combined into a hollow pipeline structure; the left end and the right end of the top of the lower pipe shell (2) are provided with seven threaded connecting holes (201), and the bottom of the connecting bolt (5) is connected into the top of the lower pipe shell (2); the extending lugs (4) are arranged at four positions, and the extending lugs (4) are respectively positioned on the outer sides of the left and right ends of the upper tube shell (1) and the outer sides of the left and right ends of the lower tube shell (2); the number of the connecting bolts (5) is seven, and the connecting bolts (5) are respectively positioned inside the left side and the right side of the upper tube shell (1); the limiting bolts (6) are divided into an upper group and a lower group, and the four limiting bolts (6) are respectively arranged in the four extending lugs (4); the pressure gauge (7) is installed on the top end face of the upper pipe shell (1).
2. A gas leak detector for a long gas pipeline according to claim 1, characterized in that: the upper pipe shell (1) is rotationally connected with the lower pipe shell (2), the bottom end face of the upper pipe shell (1) is attached to the top end face of the lower pipe shell (2), and the bottom of the pressure gauge (7) is communicated with the interior of the upper pipe shell (1); the inner sides of the left and right pipe openings of the upper pipe shell (1) and the lower pipe shell (2) are respectively embedded with a rubber sealing strip (3), and the front end and the rear end of the top end surface of the lower pipe shell (2) are respectively embedded with a rubber sealing strip (3).
3. A gas leak detector for a long gas pipeline according to claim 1, characterized in that: seven connecting bolts (5) are installed on the front side and the rear side of the bottom of the upper pipe shell (1), the bottom of each connecting bolt (5) is in threaded connection with threaded connection holes (201) formed in the left side and the right side of the top of the lower pipe shell (2), and the upper pipe shell (1) is fixedly connected with the lower pipe shell (2) through the connecting bolts (5).
4. A gas leak detector for a long gas pipeline according to claim 1, characterized in that: the connecting bolt (5) is a countersunk inner pentagonal bolt.
5. A gas leak detector for a long gas pipeline according to claim 1, characterized in that: both ends are equipped with one respectively about upper tube shell (1) and both ends about lower tube shell (2) and extend lug (4), and extend lug (4) inside equal threaded connection have a spacing bolt (6) to upper and lower two sets of spacing bolt (6) are the symmetry and arrange the form.
CN201921936600.3U 2019-11-11 2019-11-11 Gas leakage detector for long-distance natural gas pipeline Expired - Fee Related CN211526095U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921936600.3U CN211526095U (en) 2019-11-11 2019-11-11 Gas leakage detector for long-distance natural gas pipeline

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921936600.3U CN211526095U (en) 2019-11-11 2019-11-11 Gas leakage detector for long-distance natural gas pipeline

Publications (1)

Publication Number Publication Date
CN211526095U true CN211526095U (en) 2020-09-18

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CN201921936600.3U Expired - Fee Related CN211526095U (en) 2019-11-11 2019-11-11 Gas leakage detector for long-distance natural gas pipeline

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113405615A (en) * 2021-07-19 2021-09-17 山西新华防化装备研究院有限公司 Gas mask is airflow detection device for air supply unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113405615A (en) * 2021-07-19 2021-09-17 山西新华防化装备研究院有限公司 Gas mask is airflow detection device for air supply unit

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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: 20200918

Termination date: 20211111