CN112923221A - PE pipe gas leakage detection device mounting structure - Google Patents
PE pipe gas leakage detection device mounting structure Download PDFInfo
- Publication number
- CN112923221A CN112923221A CN202110422189.3A CN202110422189A CN112923221A CN 112923221 A CN112923221 A CN 112923221A CN 202110422189 A CN202110422189 A CN 202110422189A CN 112923221 A CN112923221 A CN 112923221A
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- Prior art keywords
- fixed
- ring
- pipe
- fixing
- gas leakage
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 229910001060 Gray iron Inorganic materials 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 241001233242 Lontra Species 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 32
- 238000012423 maintenance Methods 0.000 description 5
- 229910001018 Cast iron Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000002737 fuel gas Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
- F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a PE pipe gas leakage detection device mounting structure, which comprises a fixed ring, a detection device body and a sealing ring, wherein annular grooves are formed in the top end and the bottom end of the fixed ring, one side of the fixed ring is fixedly connected with an exhaust structure through a connecting pipe, the detection device body is fixedly mounted in the exhaust structure, the exhaust structure is used for active exhaust, connecting structures are arranged on the periphery of the top and the bottom of the fixed ring and used for fixing a locking structure and the fixed ring, the locking structure is used for locking and fixing a grey cast iron pipe body, one side of the fixed ring is fixedly mounted on one side of a fixed seat, the other side of the fixed seat is connected with an auxiliary fixing structure, the strength between connection ports of the grey cast iron pipe is enhanced, and meanwhile, gas leaked between the grey cast iron pipe and the PE pipe can enter a shell through the fixed ring and, and timely detection is carried out through the detection device body.
Description
Technical Field
The invention relates to the technical field of gas pipeline conveying, in particular to a PE pipe gas leakage detection device installation structure.
Background
The grey cast iron pipe for gas pipeline is laid mainly in the last 90 th century, and after natural gas is replaced, the sealing performance of the joint is easy to be reduced due to the dry cracking and aging of sealing materials such as rubber rings, rubber pads and the like at the joint of the grey cast iron pipe. In addition, the grey cast iron pipe is brittle and has poor toughness, and is easy to fracture due to external force to cause gas leakage. In order to ensure the safety of gas utilization, the gray cast iron pipes in most cities need to be comprehensively reformed.
The existing grey cast iron pipes are mainly distributed in municipal roads and green belts in main urban areas, and if the urban area is modified in a direct excavation and direct burial mode, the urban area not only influences daily life of residents, but also generates high municipal greening compensation cost. Therefore, the transformation of the grey cast iron pipe in the urban area by adopting the trenchless pipe penetrating technology is a trend of urban gas pipeline replacement, the pipe penetrating technology is that a PE pipe penetrates into the original cast iron pipe, the mode of replacing the pipeline is simple and easy to operate, and the engineering construction progress can be accelerated. However, as the newly-built PE pipeline is arranged in the cast iron pipe in a penetrating mode, once leakage occurs, fuel gas can be diffused rapidly in the cast iron pipe and cannot be diffused to the ground surface, and the specific air leakage position is difficult to find and determine during ground detection, so that great difficulty is brought to later-stage routing inspection and maintenance work;
at present, according to the chinese utility model patent that the publication number is CN 210920968U of granting, a PE pipe gas leakage detection device includes: the accessory case, the cavity, the card foot, the electronic display ware, the movable rod, the pulley, gas alarm ware and battery, through setting up gas alarm ware and accessory case, can look for PE pipe gas leakage mouth to PE pipe gas leakage area, make things convenient for the operation personnel in time to repair PE pipe gas leakage mouth, but only through the mode of card foot, can only fix in PE pipe week side, if install in grey mouthful cast iron pipe week side, be unfavorable for detecting the gas that the cavity was revealed between PE pipe and the grey cast iron pipe, and in follow-up maintenance process, need discharge the gas that the cavity was revealed between PE pipe and the grey cast iron pipe, current mounting structure is difficult to satisfy operation requirement.
Therefore, a mounting structure of the PE pipe gas leakage detection device is provided for solving the problems.
Disclosure of Invention
The invention aims to provide a mounting structure of a PE pipe gas leakage detection device, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a PE pipe gas leakage detection device installation structure comprises a fixed ring, a detection device body and a sealing ring, wherein annular grooves are formed in the top end and the bottom end of the fixed ring, one side of the fixed ring is fixedly connected with an exhaust structure through a connecting pipe, the detection device body is fixedly installed inside the exhaust structure, and the exhaust structure is used for active exhaust;
connecting structures are arranged on the periphery of the top and the bottom of the fixed ring and used for fixing the locking structure and the fixed ring;
the locking structure is used for locking and fixing the grey cast iron pipe body, one side of the fixing ring is fixedly installed on one side of the fixing seat, and the other side of the fixing seat is connected with the auxiliary fixing structure.
Preferably, exhaust structure includes the casing, the fixed intercommunication of casing the retainer plate one end is kept away from to the connecting pipe, shells inner wall passes through branch fixed connection servo motor week side, servo motor output shaft fixed connection pivot one end, pivot week side fixed mounting has a plurality of fan blades, the pivot other end rotates the insertion sleeve inboard of connecting, sleeve week side is fixed to be inlayed at the otter board inboardly, otter board week side fixed connection shells inner wall.
Preferably, a plurality of reinforcing rods are arranged inside the screen plate, one ends of the reinforcing rods are fixedly connected with the periphery of the sleeve, and the other ends of the reinforcing rods are fixedly connected with the inner wall of the shell.
Preferably, the shell is far away from the periphery of one end of the connecting pipe and is provided with threads, the threads are connected with the inner side threads of the sealing cover, and the detection device body is fixedly mounted on the end face of the sealing cover.
Preferably, the locking structure comprises two semicircular clamping rings, the end parts of the semicircular clamping rings are respectively and fixedly connected with fixing plates, and the fixing plates are locked through connecting components.
Preferably, adapting unit includes the screw rod, the screw rod passes the through-hole at fixed plate middle part, screw rod week side threaded connection nut ring is inboard, nut ring week side fixed connection cardboard, the solid fixed ring of screw rod middle part fixed connection, screw rod week side has cup jointed the packing ring, the packing ring is located gu fixed ring with in the middle of the nut ring.
Preferably, connection structure includes fixed block and lower fixed block, it is provided with the connecting hole respectively with fixed block inside down to go up the fixed block, it is in to go up fixed block fixed connection semicircle snap ring week side, fixed block fixed connection is in fixed ring top or bottom week side down, the connecting hole inboard has the bolt to pass, bolt threaded connection nut.
Preferably, the auxiliary fixing structure comprises an outer tube, one end of the outer tube is hinged to the fixing seat through a pin shaft, an inner rod is sleeved on the inner side of the outer tube, the inner rod is far away from one end of the outer tube and is fixedly connected with the bottom plate, and a plurality of fixing holes are formed in the bottom plate.
Preferably, the outer tube is far away from the lateral wall of one end of the pin shaft and is fixedly connected with an inner threaded tube, and the inner side of the inner threaded tube is in threaded connection with a locking bolt.
Preferably, the cross sections of the inner side of the outer tube and the peripheral side of the inner rod are square and are in clearance fit.
Preferably, sealing rings are respectively arranged on the inner sides of the annular grooves.
Compared with the prior art, the invention has the beneficial effects that:
1. the gray cast iron pipe body can be locked and fixed through the locking structure, the upper fixing block and the lower fixing block can be clamped tightly through screwing the nut, and the semicircular clamping ring and the fixing ring are clamped tightly, so that the connection between the port of the gray cast iron pipe and the fixing ring is tighter, the strength between the connection ports of the gray cast iron pipe is enhanced, meanwhile, leaked fuel gas between the gray cast iron pipe and the PE pipe can enter the shell through the fixing ring and the connection pipe, and the detection is carried out in time through the detection device body;
2. the servo motor can drive the rotating shaft to rotate, drive the fan blades to rotate, and actively exhaust gas to discharge gas leaked from a cavity between the PE pipe and the grey cast iron pipe, so that potential safety hazards in the maintenance process are avoided;
3. the auxiliary positioning structure is beneficial to auxiliary positioning of the fixed ring, the stability of the fixed ring is enhanced, and the strength between the connection ports of the grey cast iron pipe is enhanced;
3. the closing cap can protect the parts inside the casing and the detection device body when the exhaust gas is not needed, and the damage caused by water inflow is prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of an exhaust structure according to the present invention;
FIG. 3 is a schematic view of the locking structure of the present invention;
FIG. 4 is a schematic view of a connecting member in the locking structure of the present invention;
FIG. 5 is an enlarged view of the position A in FIG. 1 according to the present invention.
In the figure: 1. a stationary ring; 2. a connecting structure; 3. an auxiliary fixing structure; 4. a fixed seat; 5. a locking structure; 6. an exhaust structure; 7. a seal ring; 8. a connecting pipe; 9. a detection device body; 21. an upper fixed block; 22. connecting holes; 23. a bolt; 24. a nut; 25. a lower fixed block; 31. a pin shaft; 32. an outer tube; 33. an internally threaded tube; 34. locking the bolt; 35. an inner rod; 36. a base plate; 37. a fixing hole; 51. a semicircular snap ring; 52. a fixing plate; 53. a connecting member; 61. a housing; 62. a strut; 63. a fan blade; 64. a screen plate; 65. a closure cap; 66. a reinforcing bar; 67. a sleeve; 68. a rotating shaft; 69. a servo motor; 101. an annular groove; 531. a screw; 532. a nut ring; 533. a gasket; 534. a fixing ring; 535. and (4) clamping the board.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a PE pipe gas leakage detection device mounting structure comprises a fixing ring 1, a detection device body 9 and a sealing ring 7, wherein annular grooves 101 are formed in the top end and the bottom end of the fixing ring 1, a port of a grey cast iron pipe can be inserted into the annular grooves 101, the grey cast iron pipe is convenient to fix, one side of the fixing ring 1 is fixedly connected with an exhaust structure 6 through a connecting pipe 8, the detection device body 9 is fixedly mounted inside the exhaust structure 6, the detection device body 9 can timely detect gas leaked from a cavity between the PE pipe and the grey cast iron pipe, and the exhaust structure 6 is used for active exhaust;
in the invention, the connecting structures 2 are arranged on the periphery sides of the top and the bottom of the fixed ring 1, and the connecting structures 2 are used for fixing the locking structures 5 and the fixed ring 1;
according to the invention, the locking structure 5 is used for locking and fixing the grey cast iron pipe body, one side of the fixed ring 1 is fixedly arranged on one side of the fixed seat 4, and the other side of the fixed seat 4 is connected with the auxiliary fixing structure 3, so that the auxiliary positioning of the fixed ring 1 is facilitated, the stability of the fixed ring is enhanced, and the strength between connection ports of the grey cast iron pipe is enhanced;
the exhaust structure 6 comprises a shell 61, the shell 61 is fixedly communicated with one end, far away from a fixed ring 1, of a connecting pipe 8, gas between a gray cast iron pipe and a PE pipe can enter the shell 61 through the fixed ring 1 and the connecting pipe, the inner wall of the shell 61 is fixedly connected with the peripheral side of a servo motor 69 through a supporting rod 62, an output shaft of the servo motor 69 is fixedly connected with one end of a rotating shaft 68, a plurality of fan blades 63 are fixedly arranged on the peripheral side of the rotating shaft 68, and the other end of the rotating shaft 68 is rotatably connected with the inner side of an insertion sleeve 67;
the periphery of the sleeve 67 is fixedly embedded in the inner side of the screen plate 64, so that the sleeve 67 can be fixed, gas can be conveniently discharged, and the periphery of the screen plate 64 is fixedly connected with the inner wall of the shell 61;
according to the invention, the servo motor 69 can drive the rotating shaft 68 to rotate and drive the fan blades 63 to rotate, active exhaust can be performed, gas leaked from a cavity between the PE pipe and the grey cast iron pipe can be discharged, and potential safety hazards in the maintenance process can be avoided;
according to the invention, the screen plate 64 is internally provided with the plurality of reinforcing rods 66, one end of each reinforcing rod 66 is fixedly connected with the peripheral side of the sleeve 67, and the other end of each reinforcing rod 66 is fixedly connected with the inner wall of the shell 61, so that the supporting strength of the sleeve 67 is improved, and the sleeve 67 is more stable;
in the invention, the periphery of one end of the shell 61, which is far away from the connecting pipe 8, is provided with threads and is in threaded connection with the inner side of the sealing cover 65, the end surface of the sealing cover 65 is fixedly provided with the detection device body 9, the sealing cover 65 can be closed at the port of the shell 61, so that parts in the shell 61 and the detection device body 9 can be protected when gas does not need to be discharged, the damage caused by water inflow is prevented, and meanwhile, a closed cavity is formed between the closed cavity and the cavity between the discharged PE pipe and the grey cast iron pipe, so that the detection of leaked gas is facilitated;
the locking structure 5 comprises two semicircular clamping rings 51, the end parts of the semicircular clamping rings 51 are respectively and fixedly connected with fixing plates 52, and the fixing plates 52 are locked by connecting parts 53 and can play a role in fixing;
the connecting component 53 comprises a screw 531, the screw 531 penetrates through a through hole in the middle of the fixing plate 52, the periphery of the screw 531 is in threaded connection with the inner side of the nut ring 532, the periphery of the nut ring 532 is fixedly connected with a clamping plate 535, the middle of the screw 531 is fixedly connected with a fixing ring 534, the periphery of the screw 531 is sleeved with a gasket 533, the gasket 533 can play a role in protecting the fixing plate 52 and disperse stress when the nut ring 532 is screwed, the gasket 533 is positioned between the fixing ring 534 and the nut ring 532, and the fixing plate 52 can be clamped by screwing the nut ring 532 so as to lock the grey cast iron pipe in the;
the connecting structure 2 comprises an upper fixing block 21 and a lower fixing block 25, connecting holes 22 are respectively formed in the upper fixing block 21 and the lower fixing block 25, the upper fixing block 21 is fixedly connected to the periphery of a semicircular clamping ring 51, the lower fixing block 25 is fixedly connected to the periphery of the top or the bottom of a fixing ring 1, a bolt 23 penetrates through the inner side of each connecting hole 22, the bolt 23 is in threaded connection with a nut 24, the upper fixing block 21 and the lower fixing block 25 can be clamped by screwing the nut 24, the semicircular clamping ring 51 and the fixing ring 1 are clamped, and the connection between the port of the grey cast iron pipe and the fixing ring 1 is;
the auxiliary fixing structure 3 comprises an outer pipe 32, one end of the outer pipe 32 is hinged to a fixing seat 4 through a pin shaft 31, the outer pipe 32 can rotate through the pin shaft 31, the angle can be flexibly adjusted, and installation and fixation are facilitated;
according to the invention, the side wall of one end, far away from the pin shaft 31, of the outer tube 32 is fixedly connected with the inner threaded tube 33, the inner side of the inner threaded tube 33 is in threaded connection with the locking bolt 34, the bottom end of the locking bolt 34 can be tightly abutted against the side surface of the inner rod 35 by screwing the locking bolt 34, and the relative position between the inner rod 35 and the outer tube 32 is locked, so that the inner rod cannot slide any more;
in the invention, the inner side of the outer tube 32 and the peripheral side of the inner rod 35 are square in section and are in clearance fit, so that the relative rotation between the outer tube 32 and the inner rod 35 is avoided, and the instable installation is avoided;
the sealing rings 7 are respectively arranged on the inner sides of the annular grooves 101, so that buffering can be performed between the fixing ring 1 and the port of the grey cast iron pipe, and a sealing effect is provided.
The working principle is as follows: when the device is used, the fixing ring 1 is sleeved on the periphery of a PE pipe, the sealing ring 7 is placed in the annular groove 101, the port of the grey cast iron pipe is aligned with the annular groove 101, the two semicircular snap rings 51 are sleeved on the periphery of the grey cast iron pipe, the fixing plate 52 can be clamped by screwing the nut ring 532, the grey cast iron pipe in the middle of the semicircular snap rings 51 can be further locked by screwing the fixing plate 52, the gasket 533 can play a role in protecting the fixing plate 52, stress generated when the nut ring 532 is screwed is dispersed, the bolt 23 penetrates through the connecting holes 22 in the upper fixing block 21 and the lower fixing block 25, the upper fixing block 21 and the lower fixing block 25 can be clamped by screwing the nut 24, and the semicircular snap rings 51 and the fixing ring 1 are clamped, so that the connection between the port;
the outer pipe 32 can rotate through the pin 31, the angle can be flexibly adjusted, the installation and the fixation are convenient, the inner rod 35 can slide in the outer pipe 32, the length is adjusted, the bottom end of the locking bolt 34 can tightly abut against the side surface of the inner rod 35, the relative position between the inner rod 35 and the outer pipe 32 is locked, the inner rod can not slide any more, the fixation is convenient through the fixing hole 37 on the bottom plate 36, the auxiliary positioning of the fixing ring 1 is facilitated, the stability of the fixing ring is enhanced, and meanwhile, the strength between the connection ports of the grey cast iron pipe is enhanced;
when gas leakage occurs, a closed cavity is formed by the cavity between the closed cover 65 and the exhaust PE pipe and the gray cast iron pipe, the gas can enter the shell 61 through the fixing ring 1 and the connecting pipe 8 in the cavity, the detection of the leaked gas by the detection device body 9 is facilitated, and parts in the shell 61 and the detection device body 9 can be protected by the closed cover 65 when the gas does not need to be exhausted, so that the damage caused by water inflow is prevented;
the sealing cover 65 is rotated, after the sealing cover 65 is detached, the rotating shaft 68 is driven to rotate through the servo motor 69, the fan blades 63 are driven to rotate, active exhaust can be conducted, fuel gas leaked from a cavity between the PE pipe and the grey cast iron pipe is discharged, and potential safety hazards in the maintenance process are avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a PE pipe gas leakage detection device mounting structure, includes retainer plate (1), detection device body (9) and sealing ring (7), its characterized in that: annular grooves (101) are formed in the top end and the bottom end of the fixed ring (1), sealing rings (7) are respectively placed on the inner sides of the annular grooves (101), one side of the fixed ring (1) is fixedly connected with an exhaust structure (6) through a connecting pipe (8), a detection device body (9) is fixedly installed in the exhaust structure (6), and the exhaust structure (6) is used for active exhaust;
connecting structures (2) are arranged on the periphery of the top and the bottom of the fixing ring (1), and the connecting structures (2) are used for fixing the locking structures (5) and the fixing ring (1);
the locking structure (5) is used for locking and fixing the grey cast iron pipe body, one side of the fixing ring (1) is fixedly installed on one side of the fixing seat (4), and the other side of the fixing seat (4) is connected with the auxiliary fixing structure (3).
2. The PE pipe gas leakage detecting device mounting structure according to claim 1, characterized in that: exhaust structure (6) are including casing (61), casing (61) fixed intercommunication retainer plate (1) one end is kept away from in connecting pipe (8), casing (61) inner wall passes through branch (62) fixed connection servo motor (69) week side, servo motor (69) output shaft fixed connection pivot (68) one end, pivot (68) week side fixed mounting has a plurality of fan blades (63), the insertion sleeve (67) inboard of connecting is rotated to pivot (68) other end, sleeve (67) week side fixed inlay is inboard at otter board (64), otter board (64) week side fixed connection casing (61) inner wall.
3. The PE pipe gas leakage detecting device mounting structure according to claim 2, characterized in that: the net plate (64) is internally provided with a plurality of reinforcing rods (66), one end of each reinforcing rod (66) is fixedly connected with the periphery of the sleeve (67), and the other end of each reinforcing rod (66) is fixedly connected with the inner wall of the shell (61).
4. The PE pipe gas leakage detecting device mounting structure according to claim 2, characterized in that: casing (61) are kept away from connecting pipe (8) one end week side is provided with the screw thread, and with closing cap (65) inboard threaded connection, fixed mounting has on closing cap (65) terminal surface detection device body (9).
5. The PE pipe gas leakage detecting device mounting structure according to claim 1, characterized in that: the locking structure (5) comprises two semicircular clamping rings (51), the end parts of the semicircular clamping rings (51) are respectively fixedly connected with fixing plates (52), and the fixing plates (52) are locked through connecting parts (53).
6. The PE pipe gas leakage detecting device mounting structure according to claim 1, characterized in that: connecting part (53) include screw rod (531), screw rod (531) pass the through-hole at fixed plate (52) middle part, screw rod (531) week side threaded connection nut ring (532) are inboard, nut ring (532) week side fixed connection cardboard (535), screw rod (531) middle part fixed connection solid fixed ring (534), screw rod (531) week side has cup jointed packing ring (533), packing ring (533) are located gu fixed ring (534) with in the middle of nut ring (532).
7. The PE pipe gas leakage detecting device mounting structure according to claim 5, wherein: connection structure (2) are including last fixed block (21) and lower fixed block (25), it is provided with connecting hole (22) respectively with lower fixed block (25) inside to go up fixed block (21), it is in to go up fixed block (21) fixed connection semicircle snap ring (51) week side, fixed block (25) fixed connection is in retainer plate (1) top or bottom week side down, connecting hole (22) inboard has bolt (23) to pass, bolt (23) threaded connection nut (24).
8. The PE pipe gas leakage detecting device mounting structure according to claim 1, characterized in that: supplementary fixed knot constructs (3) and includes outer tube (32), outer tube (32) one end is through round pin axle (31) articulated connection fixing base (4), pole (35) in outer tube (32) inboard cup joints, outer tube (32) one end fixed connection bottom plate (36) are kept away from in interior pole (35), be provided with a plurality of fixed orificess (37) on bottom plate (36).
9. The PE pipe gas leakage detecting device mounting structure according to claim 8, wherein: the outer tube (32) is far away from one end side wall of the pin shaft (31) and is fixedly connected with an inner threaded tube (33), and the inner side of the inner threaded tube (33) is in threaded connection with a locking bolt (34).
10. The PE pipe gas leak detection device installation structure according to claim 9, characterized in that: the cross sections of the inner side of the outer tube (32) and the peripheral side of the inner rod (35) are square and are in clearance fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422189.3A CN112923221B (en) | 2021-04-20 | 2021-04-20 | PE pipe gas leakage detection device mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422189.3A CN112923221B (en) | 2021-04-20 | 2021-04-20 | PE pipe gas leakage detection device mounting structure |
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| Publication Number | Publication Date |
|---|---|
| CN112923221A true CN112923221A (en) | 2021-06-08 |
| CN112923221B CN112923221B (en) | 2023-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110422189.3A Active CN112923221B (en) | 2021-04-20 | 2021-04-20 | PE pipe gas leakage detection device mounting structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753469A (en) * | 2023-07-13 | 2023-09-15 | 北京讯腾智慧科技股份有限公司 | Low-pressure pipe network monitoring facilities in gas |
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| CN112923221B (en) | 2023-09-12 |
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