CN212107897U

CN212107897U - Pipeline gas detection device

Info

Publication number: CN212107897U
Application number: CN202020669451.5U
Authority: CN
Inventors: 计明飞; 白玉; 李娅; 尹雪
Original assignee: Csic Haixin Engineering Management Beijing Co ltd
Current assignee: Csic Haixin Engineering Management Beijing Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-12-08
Anticipated expiration: 2030-04-27

Abstract

The utility model relates to a pipeline gas detection device, it includes upper seal chamber and lower seal chamber, be fixed with detection mechanism on upper seal chamber, the inspection hole has been seted up on the upper seal chamber, curved draw-in groove has been seted up on the upper seal chamber, the draw-in groove that corresponds is seted up to the position relative with upper seal chamber on the lower seal chamber, upper seal chamber and lower seal chamber are involutive each other, the draw-in groove is whole to be enclosed and establish and be circularly, can encircle columniform pipeline between the draw-in groove that involutive each other, upper seal chamber and lower seal chamber are each other from top to bottom through joint spare with upper seal chamber and lower seal chamber fixed connection, the standing groove has been seted up on the upper seal chamber lateral wall, joint spare sets up in the standing groove, set up the perforation at upper seal chamber lateral wall, joint spare passes the perforation and inserts to the lateral wall in lower seal. The utility model discloses have convenient quick installation and be convenient for concentrate the effect that detects gas leakage.

Description

Pipeline gas detection device

Technical Field

The utility model belongs to the technical field of the technique that gaseous detected and specifically relates to a pipeline gas detection device is related to.

Background

After the natural gas pipeline is laid and operated, regular detection and investigation are needed so as to find leakage points, repair in time and avoid great accidents. Because most of pipelines are laid in the field, the existing detection mode is to adopt a portable gas detector to be close to a connection point for detection. Because the external environment space is large, slight leakage can be diluted along with the air flow, the detection result value is reduced, the detection is inaccurate, omission is easy, hidden dangers cannot be eliminated in time, and the detection is very dangerous.

According to patent CN207702138U provides a gaseous detection device for natural gas line, including fixing the sealed cowling in pipe connection department and being used for detecting the gaseous detector of leakage, the sealed cowling includes sealed cowling and lower sealed cowling, it is semi-annular shell structure with lower sealed cowling to go up sealed cowling, the both ends of going up sealed cowling and lower sealed cowling all are provided with epitaxial overlap, and constitute a whole through the laminating of epitaxial overlap, be provided with bolt assembly on the epitaxial overlap.

Although this detection device can be convenient for concentrate the detection natural gas, but the upper and lower sealed cowling need use locking bolt and nut when the installation, because natural gas line lays the wide range, fixes with locking bolt and nut and this makes the installation convenient waste time and energy, reduces work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline gas detection device, it has the convenient effect of installing fast and be convenient for concentrate the detection gas leakage.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a pipeline gas detection device, including upper seal chamber and lower seal chamber, be fixed with detection mechanism on upper seal chamber, the inspection hole has been seted up on the upper seal chamber, curved draw-in groove has been seted up on the upper seal chamber, the draw-in groove that corresponds is seted up with the position that upper seal chamber is relative on the lower seal chamber, upper seal chamber and lower seal chamber are closing each other, the draw-in groove is whole to be enclosed and is circularly, can embrace columniform pipeline ring between the draw-in groove that closes each other, upper seal chamber and lower seal chamber are each other from top to bottom through joint spare with upper seal chamber and lower seal chamber fixed connection, the standing groove has been seted up on the upper seal chamber lateral wall, joint spare sets up in the standing groove, seted up the perforation at upper seal chamber lateral wall, joint spare passes the perforation and inserts to the lateral wall in lower.

Through adopting above-mentioned technical scheme, through the setting of the last seal chamber that closes each other and lower seal chamber and cooperation joint spare with last seal chamber and lower seal chamber install fast fixedly, go up seal chamber and lower seal chamber from top to bottom to closing and will await measuring to enclose around establishing and form airtight cavity, the last inspection hole of having seted up of seal chamber, detection mechanism can insert supreme seal chamber and lower seal chamber through the inspection hole and to closing in the airtight space that forms, and then be convenient for detect the pipeline and have gas leakage.

The utility model discloses further set up to: the joint spare includes the inserted bar, and the inserted bar is arranged in the standing groove and runs through the one end that the sealed chamber inserted down in the sealed chamber and is fixed with the separation blade, and the cover is equipped with the spring in the standing groove and on being located the inserted bar, the one end and the separation blade butt of spring, the other end and the standing groove inside wall butt of spring.

Through adopting above-mentioned technical scheme, cooperation through inserted bar, spring and separation blade sets up, and the pulling inserted bar stretches out from perforating, separation blade compression spring this moment to be convenient for make upper seal chamber and lower seal chamber separate, when loosening the pulling block, the spring can drive the inserted bar and remove towards the direction that is close to the standing groove, and then resumes again to the inserted bar and stretch to the standing groove and insert the free state in the perforation, and then realizes that upper seal chamber is fixed with the quick installation in lower seal chamber.

The utility model discloses further set up to: one end of the inserted bar, which is far away from the side wall of the upper sealing cavity, extends out of the placing groove and is fixed with a pulling block.

Through adopting above-mentioned technical scheme, through the setting of pulling the piece, be convenient for pull the inserted bar.

The utility model discloses further set up to: be provided with the hasp piece on closing up last sealed chamber and the lower sealed chamber each other, hasp piece includes lock lid, annular hasp and latch hook, and wherein the lock lid articulates mutually with the lateral wall in lower sealed chamber, and the latch hook is fixed on last sealed chamber lateral wall and set up with the lock lid relatively, and the lock lid rotates to the direction of latch hook round articulated department, and annular hasp one end articulates in the inboard below of lock lid, and the latch hook can be blocked in to the other end.

Through adopting above-mentioned technical scheme, through the setting of hasp piece, during the installation, go up the fixed connection in sealed chamber and lower sealed chamber, rotate the locking closure downwards, hasp piece locking, if will open hasp piece, upwards rotate the locking closure, the one end of annular hasp is along with the locking closure upwards rises, the other end of annular hasp from the latch hook roll-off, hasp piece is opened, further with going up sealed chamber and lower sealed chamber quick installation fixed.

The utility model discloses further set up to: and flanges are fixed on the clamping grooves formed in the upper sealing cavity and the lower sealing cavity.

Through adopting above-mentioned technical scheme, through the setting of turn-ups, be convenient for paste mutually with the pipeline lateral wall and fix the pipeline joint through the turn-ups.

The utility model discloses further set up to: the flanging of the upper sealing cavity is provided with a groove, the flanging fixed on the lower sealing cavity can be inserted into the groove, and the side walls of the clamping grooves of the upper sealing cavity and the lower sealing cavity which are mutually closed are partially overlapped.

Through adopting above-mentioned technical scheme, insert the recess through the turn-ups to make the last sealed chamber that closes each other have the part to overlap with the draw-in groove lateral wall in sealed chamber down, thereby realize better sealing, prevent that the gas that spills from the pipeline spills the space that sealed chamber and sealed chamber down enclose and establish.

The utility model discloses further set up to: the side wall of the sealing cavity opposite to the lower sealing cavity is provided with a slot, a bulge is fixed at the position of the lower sealing cavity opposite to the slot of the upper sealing cavity, the upper sealing cavity and the lower sealing cavity are mutually closed, and the bulge is inserted into the slot.

Through adopting above-mentioned technical scheme, closing mutually through last sealed chamber and lower sealed chamber, the arch is inserted in the slot to make the better sealed fixed of upper seal chamber and lower sealed chamber that closes mutually.

The utility model discloses further set up to: and a guide pipe is fixed in the position, opposite to the detection hole, in the upper sealing cavity and is communicated with the lower sealing cavity.

By adopting the technical scheme, the detection mechanism is conveniently inserted into the closed space formed by the upper sealing cavity and the lower sealing cavity in an involutory mode along the guide pipe through the arrangement of the guide pipe, so that the detection is carried out.

To sum up, the utility model discloses a beneficial technological effect does:

1. the upper sealing cavity and the lower sealing cavity are quickly installed and fixed through the arrangement of the upper sealing cavity and the lower sealing cavity which are mutually closed and matched with the clamping piece, the upper sealing cavity and the lower sealing cavity are vertically combined in an opposite mode to surround the periphery of a pipeline to be detected to form a closed cavity, the upper sealing cavity is provided with a detection hole, and the detection mechanism can be inserted into a closed space formed by closing the upper sealing cavity and the lower sealing cavity through the detection hole so as to be convenient for detecting whether the pipeline has gas leakage or not;

2. through the setting of hasp piece, during the installation, go up the fixed connection of sealed chamber and lower sealed chamber with annular hasp card income during the latch hook, rotate the locking closure downwards, hasp piece locking, if will open hasp piece, upwards rotate the locking closure, the one end of annular hasp is along with the locking closure upwards plays, and the latch hook roll-off is followed to the other end of annular hasp, and hasp piece is opened, further installs fast upper seal chamber and lower sealed chamber fixedly.

Drawings

FIG. 1 is a schematic structural diagram of a pipeline gas detection device;

FIG. 2 is a cross-sectional view of the pipeline gas detection device;

FIG. 3 is an exploded view of the pipeline gas detection device;

FIG. 4 is an enlarged partial schematic view of portion A of FIG. 2;

fig. 5 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, an upper sealed cavity; 11. a detection hole; 12. a guide tube; 13. a slot; 14. fixing grooves; 15. perforating; 16. a placement groove; 2. a lower sealed cavity; 21. a protrusion; 22. a fixed block; 3. a card slot; 31. flanging; 311. a groove; 4. a detection mechanism; 5. a clamping piece; 51. inserting a rod; 52. pulling the block; 53. a baffle plate; 54. a spring; 6. a fastener; 61. a locking cover; 62. an annular lock catch; 63. a latch hook; 7. a pipeline.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a pipeline gas detection device, including last seal chamber 1 and lower seal chamber 2, be fixed with detection mechanism 4 on last seal chamber 1. The upper sealing cavity 1 and the lower sealing cavity 2 are mutually involutory from top to bottom to form an integral sealing cavity, and the upper sealing cavity 1 and the lower sealing cavity 2 are quickly fixed through the clamping piece 5. Referring to fig. 3, an arc-shaped clamping groove 3 is formed in the upper sealing cavity 1, a corresponding clamping groove 3 is formed in the lower sealing cavity 2 at a position opposite to the upper sealing cavity 1, the upper sealing cavity 1 and the lower sealing cavity 2 are mutually closed, the clamping groove 3 is integrally formed in a circular shape in a surrounding mode, and a cylindrical pipeline 7 can be encircled between the mutually closed clamping grooves 3. The upper sealing cavity 1 and the lower sealing cavity 2 are combined up and down to enclose the periphery of the pipeline 7 to be tested to form a closed cavity. A detection hole 11 is formed in the upper sealing cavity 1, a guide pipe 12 is fixed in the position, opposite to the detection hole 11, in the upper sealing cavity 1, and the guide pipe 12 is communicated with the lower sealing cavity 2. The detection mechanism 4 is inserted into a closed space formed by the involution of the upper sealing cavity 1 and the lower sealing cavity 2 along the guide pipe 12, so that whether gas leakage exists in the pipeline or not can be conveniently detected.

Be provided with hasp piece 6 on upper seal chamber 1 and the lower seal chamber 2 that closes each other, further close upper seal chamber 1 and lower seal chamber 2 fixed connection mutually through hasp piece 6. The locking device 6 comprises a locking cover 61, an annular locking catch 62 and a locking hook 63, wherein the locking cover 61 is hinged with the side wall of the lower sealed cavity 2, the locking hook 63 is fixed on the side wall of the upper sealed cavity 1 and is arranged opposite to the locking cover 61, and the locking cover 61 rotates around the direction of the locking hook 63 at the hinged position. Annular hasp 62 one end articulates in the inboard below of locking closure 61, and the latch hook 63 can be blocked in the other end, during the installation, blocks annular hasp 62 into latch hook 63, realizes the fixed connection of upper seal chamber 1 and lower seal chamber 2, rotates locking closure 61 downwards, and hasp piece 6 locks. When the locking cover 61 is rotated upward to open the locking member 6, one end of the annular locking catch 62 is rotated upward along with the locking cover 61, the other end of the annular locking catch 62 slides out from the locking hook 63, and the locking member 6 is opened.

Referring to fig. 3 and 4, a flange 31 is fixed on the clamping groove 3 formed between the upper seal cavity 1 and the lower seal cavity 2, and the flange 31 is convenient to adhere to the side wall of the pipeline 7 and clamp and fix the pipeline 7. The upper sealing cavity 1 flanging 31 is provided with a groove 311, the lower sealing cavity 2 is provided with the fixed flanging 31 which can be inserted into the groove 311, so that the side walls of the clamping grooves 3 of the upper sealing cavity 1 and the lower sealing cavity 2 which are mutually closed are partially overlapped, better sealing is realized, and the gas leaked from the pipeline is prevented from leaking the space surrounded by the upper sealing cavity 1 and the lower sealing cavity 2.

The slot 13 has been seted up on the relative lateral wall in last sealed chamber 1 and lower sealed chamber 2, and the relative position of sealed chamber 2 and last sealed chamber 1 slot 13 is fixed with arch 21 down, and it is mutual involutory with lower sealed chamber 2 to go up sealed chamber 1, and arch 21 inserts in the slot 13 to make the better sealed fixed of upper sealed chamber 1 and lower sealed chamber 2 that closes each other.

Referring to fig. 3 and 5, a fixing groove 14 is formed in the upper seal chamber 1, a fixing block 22 is fixed to the lower seal chamber 2 at a position opposite to the fixing groove 14, the upper seal chamber 1 and the lower seal chamber 2 are aligned with each other, and the fixing block 22 is clamped into the fixing groove 14. A placing groove 16 is formed in the side wall of the upper sealing cavity 1, and the clamping piece 5 is arranged in the placing groove 16. The side wall of the upper sealing cavity 1 is provided with a through hole 15, and the clamping piece 5 is inserted into the side wall of the fixing block 22 of the lower sealing cavity 2 through the through hole 15, so that the upper sealing cavity 1 and the lower sealing cavity 2 which are mutually closed are quickly installed and fixed.

The joint 5 includes inserted bar 51, and the one end that inserted bar 51 kept away from the upper seal chamber 1 lateral wall stretches out standing groove 16 and is fixed with and draws piece 52, and inserted bar 51 is located standing groove 16 and runs through the upper seal chamber 1 and insert the one end in lower seal chamber 2 and be fixed with separation blade 53. A spring 54 is fitted around the insertion rod 51 in the placement groove 16, one end of the spring 54 abuts against the stopper 53, and the other end of the spring 54 abuts against the inner wall of the placement groove 16.

Pulling on the pull block 52 causes the plunger 51 to extend from the through hole 15, and the flap 53 compresses the spring 54, thereby facilitating the separation of the upper chamber 1 from the lower chamber 2. When the pulling block 52 is released, the spring 54 drives the insertion rod 51 to move towards the direction close to the placing groove 16, and then the free state that the insertion rod 51 extends to the placing groove 16 and is inserted into the through hole 15 is recovered, so that the upper sealed cavity 1 and the lower sealed cavity 2 are quickly installed and fixed.

With last sealed chamber 1 and lower sealed chamber 2 involution each other to in inserting sealed chamber 2 down through perforation 15 through inserted bar 51 of joint spare 5, thereby with last sealed chamber 1 and lower sealed chamber 2 quick fixation. The annular lock catch 62 of the locking member is locked to the lock hook 63, thereby further fixing the upper sealed chamber 1 and the lower sealed chamber 2. Thereby stretch into the gas in the airtight space of enclosing around establishing around the detection pipeline 7 through inspection hole 11 with detection mechanism 4 to the inside detection tube way 2 of lower seal chamber, and then be more convenient for obtain accurate effectual detection structure, improve work efficiency.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pipeline gas detection device, includes upper seal chamber (1) and lower seal chamber (2), is fixed with detection mechanism (4) on upper seal chamber (1), has seted up inspection hole (11), its characterized in that on upper seal chamber (1): seted up curved draw-in groove (3) on upper seal chamber (1), draw-in groove (3) that correspond have been seted up with upper seal chamber (1) relative position on lower seal chamber (2), upper seal chamber (1) and lower seal chamber (2) are closed each other, draw-in groove (3) are whole to be enclosed and establish and are circularly, can encircle the columniform pipeline between the draw-in groove (3) that closes each other, upper seal chamber (1) and lower seal chamber (2) are upper and lower each other through joint spare (5) with upper seal chamber (1) and lower seal chamber (2) fixed connection, standing groove (16) have been seted up on upper seal chamber (1) lateral wall, joint spare (5) set up in standing groove (16), seted up perforation (15) on upper seal chamber (1), joint spare (5) pass perforation (15) and insert to the lateral wall in lower seal chamber (2).

2. The duct gas detection apparatus according to claim 1, wherein: joint spare (5) are including inserted bar (51), and inserted bar (51) are arranged in standing groove (16) and run through the one end that upper seal chamber (1) inserted lower seal chamber (2) and are fixed with separation blade (53), and the cover is equipped with spring (54) in standing groove (16) and on being located inserted bar (51), and the one end and separation blade (53) butt of spring (54), the other end and standing groove (16) inside wall butt of spring (54).

3. The duct gas detection apparatus according to claim 2, wherein: one end of the inserted bar (51) far away from the side wall of the upper sealing cavity (1) extends out of the placing groove (16) and is fixed with a pulling block (52).

4. The duct gas detection apparatus according to claim 2, wherein: be provided with hasp spare (6) on mutually involutive last sealed chamber (1) and lower sealed chamber (2), hasp spare (6) are including locking closure (61), annular hasp (62) and latch hook (63), wherein the lateral wall of locking closure (61) and lower sealed chamber (2) is articulated mutually, latch hook (63) are fixed on last sealed chamber (1) lateral wall and set up with locking closure (61) relatively, locking closure (61) rotate to the direction of latch hook (63) round articulated department, annular hasp (62) one end articulates the inboard below at locking closure (61), latch hook (63) can be blocked into to the other end.

5. The duct gas detection apparatus according to claim 1, wherein: and flanges (31) are fixed on the clamping grooves (3) formed in the upper sealing cavity (1) and the lower sealing cavity (2).

6. The duct gas detection apparatus according to claim 5, wherein: a groove (311) is formed in the flanging (31) of the upper sealing cavity (1), the flanging (31) fixed to the lower sealing cavity (2) can be inserted into the groove (311), and the upper sealing cavity (1) and the side wall of the clamping groove (3) of the lower sealing cavity (2) which are mutually closed are partially overlapped.

7. The duct gas detection apparatus according to claim 1, wherein: the side wall of the upper sealing cavity (1) opposite to the lower sealing cavity (2) is provided with a slot (13), a bulge (21) is fixed at the position of the lower sealing cavity (2) opposite to the slot (13) of the upper sealing cavity (1), the upper sealing cavity (1) and the lower sealing cavity (2) are mutually closed, and the bulge (21) is inserted into the slot (13).

8. The duct gas detection apparatus according to claim 6, wherein: and a guide pipe (12) is fixed in the upper sealing cavity (1) at a position opposite to the detection hole (11), and the guide pipe (12) is communicated with the lower sealing cavity (2).