CN218494465U

CN218494465U - Low temperature pipeline's leakproofness detection device

Info

Publication number: CN218494465U
Application number: CN202221521940.1U
Authority: CN
Inventors: 陆文昕
Original assignee: Shanghai Yijun Electronic Technology Co ltd
Current assignee: Shanghai Yijun Electronic Technology Co ltd
Priority date: 2022-06-17
Filing date: 2022-06-17
Publication date: 2023-02-17
Anticipated expiration: 2032-06-17

Abstract

The utility model belongs to the technical field of the leakproofness detects, especially, a leakproofness detection device of low temperature pipeline, including the air feed subassembly, detect end subassembly and end cap subassembly, the air feed subassembly is including removing the base, main air pump and main gas receiver, the universal wheel is installed to the bottom of removing the base, main air pump and main gas receiver are all fixed on the upper surface of removing the base, the output of main air pump passes through gas transmission pipe connection on main gas receiver, install the ooff valve on the main gas receiver, install the gas pipeline on the ooff valve, one side of removing the base is equipped with power plug through the power cord, the detection end subassembly includes solid fixed ring and end cover, the fixed block is installed to the symmetry on the lateral wall of end cover, install the tightening bolt on the fixed block, the one end of tightening bolt is rotated and is installed on solid fixed ring's outer wall, the different size pipeline's of adaptation that this device can be better sealing, need not to change the part, and use in a flexible way, the end cap subassembly does not receive the restriction of air feed subassembly.

Description

Low temperature pipeline's leakproofness detection device

Technical Field

The utility model belongs to the technical field of anchor clamps quick change structure, specifically be a leakproofness detection device of low temperature pipeline.

Background

A pipe is a device for conveying a gas, a liquid or a fluid with solid particles, which is formed by connecting pipes, pipe connectors, valves and the like, and generally, the fluid is pressurized by a blower, a compressor, a pump, a boiler and the like, flows from a high pressure position to a low pressure position of the pipe, and can also be conveyed by using the pressure or gravity of the fluid. The pipe has a wide application range, and is mainly used for water supply, drainage, heat supply, gas supply, long-distance petroleum and natural gas transmission, agricultural irrigation, hydraulic engineering and various industrial devices, and the tightness detection of the pipe is particularly important because the pipe is long in use distance and labor-consuming to check.

The traditional detection device is simple in function and troublesome to use, and the flexible adaptation function is lacked for pipelines of different sizes, and the traditional detection device cannot be flexibly used due to the limitation of space distance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a leakproofness detection device of low temperature pipeline possesses the not unidimensional pipeline of adaptation and the nimble advantage of using, has solved traditional detection device suitability poor and the use inflexible problem of getting up.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a sealing detection device of a low-temperature pipeline comprises a gas supply assembly, a detection end assembly and a plug assembly;

the air supply assembly comprises a movable base, a main air pump and a main air storage cylinder, the main air pump and the main air storage cylinder are both fixed on the upper surface of the movable base, the output end of the main air pump is connected to the main air storage cylinder through an air transmission pipeline, a switch valve is installed on the main air storage cylinder, an air transmission pipeline is installed on the switch valve, and a power plug is arranged on one side of the movable base through a power line;

the detection end assembly comprises a fixing ring and an end cover, a branch pipeline is arranged on the inflation pipeline, the branch pipeline is connected to the end cover and extends to the other side, a sealing gasket is arranged on the side wall of the end cover, and fixing mechanisms are symmetrically arranged on the outer wall of the fixing ring;

the end cap subassembly includes switching mechanism and the first expansion body, the first expansion body includes side plectane and inflation layer, install communicating pipe on the side plectane, the one end of communicating pipe extends to between the side plectane, the welding has the bracing piece between the side plectane, inflation layer fixed connection is in between the lateral wall of side plectane.

Preferably, the universal wheel is installed to the bottom of moving the base, install the ooff valve on the main gas receiver, the fixed block is installed to the symmetry on the lateral wall of end cover, install on the fixed block and tighten up the bolt, the one end of tightening up the bolt is rotated and is installed on solid fixed ring's the outer wall, install pressure measurement table on the lateral wall of end cover, the inflation duct passes through switching mechanism with communicating pipe is linked together, be fixed with handheld pole on the lateral wall of side plectane.

Through adopting above-mentioned scheme, when needs compress tightly end cover and pipeline mouth inclosed, can tighten up the bolt through the rotation, then make the end cover be close to the pipeline mouth, reach convenient fixed effect, then pressure in the pressure detection table reaction pipeline that can be audio-visual, the person of facilitating the use observes, and handheld pole can the person of facilitating the use gripping use end cap subassembly.

Preferably, fixing mechanism includes fixing bolt and fixed plate, fixing bolt installs on solid fixed ring's outer wall, fixing bolt's one end all extends to in the fixed ring, fixing bolt's one end is all rotated and is installed the fixed plate.

Through adopting above-mentioned scheme, can establish solid fixed ring cover on the pipeline when using, then use the spanner to adjust fixing bolt, make fixing bolt remove in solid fixed ring mutually, and then make the fixed plate remove in solid fixed ring, then the position of solid fixed ring of restriction to provide the pulling force end for the fixing of end cover.

Preferably, a second expansion body is fixed on one side of the first expansion body, a third expansion body is fixed on the side wall of the second expansion body, the second expansion body and the third expansion body are structurally the same as the first expansion body, the diameter of the side circular plate in the second expansion body is smaller than that of the side circular plate in the first expansion plate, the diameter of the side circular plate in the third expansion body is smaller than that of the side circular plate in the second expansion plate, and one end of the communication pipe is located on the same plane.

Through adopting above-mentioned scheme, can make the not unidimensional pipeline of better adaptation of this device, make sealed effect better, avoided numerous and diverse switching installation component, because the size of pipeline is different, when carrying out the leakproofness and detecting, traditional device need carry out the secondary adaptation according to the pipeline size, and this device can select according to the size of pipeline on the scene, aerify through communicating pipe, then inflation layer can outwards expand after the atmospheric pressure increase between the side plectane, and then laminate with the inner wall of pipeline.

Preferably, the switching mechanism includes a housing, a moving block and a clamping mechanism, the housing is fixedly mounted on the first expansion body, the moving block is mounted in the housing, the clamping mechanism is fixed on the housing, a switching pipeline is arranged in the moving block, the switching pipeline extends to the side wall of the moving block, the inflation pipeline is mounted on the switching pipeline, and the communicating pipes all extend into the housing.

Through adopting above-mentioned scheme, gas in the gas-filled pipeline can be transmitted to different communicating pipes in through the movable block, then clamping mechanism can fix the movable block.

Preferably, the clamping mechanism comprises a clamping plate, an extension block, a pin head and a switching rod, the clamping plate is fixed on the shell, the extension block is fixed on the moving block, a guide hole is formed in the extension block, a movable plate is fixed on the pin head, the switching rod is clamped on the movable plate, one end of the switching rod extends into the guide hole, a spring is fixedly connected between the movable plate and the side wall of the extension block, clamping holes matched with the pin head are formed in the clamping plate, and the distance between the clamping holes is the same as the distance between the communicating pipes.

Through adopting above-mentioned scheme, when needs adjust the movable block and come different communicating pipes, can drive the fly leaf through the removal switching lever and remove, and then make the round pin head break away from the cardboard, because the one end of switching lever extends to in the guiding hole, so can make the movable block remove through the removal switching lever, because the distance between the joint hole is the same with the distance between communicating pipe, so can switch the communicating pipe of ventilating through the block in regulation round pin head and different joint holes.

Preferably, an auxiliary air pump and an auxiliary air reservoir are installed on the movable base, an electric valve is installed at the output end of the auxiliary air pump, one end of the electric valve is connected to the auxiliary air reservoir, the switch valve is installed at the input end of the auxiliary air pump, and the switch valve on the auxiliary air pump is communicated with the branch pipeline.

By adopting the scheme, after the detection is finished, the switch valve on the main air storage cylinder is closed, then the switch valve between the branch pipeline and the auxiliary air pump is opened, and the auxiliary air pump is started to store the gas in the pipeline into the auxiliary air storage cylinder.

(III) advantageous effects

Compared with the prior art, the utility model provides a leakproofness detection device of low temperature pipeline possesses following beneficial effect:

the sealing of the different size pipeline of adaptation that this device can be better need not to change the part, uses comparatively nimble, and the air feed subassembly, detect end subassembly and end cap subassembly do not restrict each other, and end cap subassembly and detect end subassembly homoenergetic are fixed alone to can carry out recycle to the pipeline gas after detecting, reduce the wasting of resources, only be connected with gas filled tube way between end cap subassembly and the air feed subassembly moreover, consequently can long distance just detect, improved detection efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structural view of the plug assembly of the present invention;

FIG. 3 is a schematic cross-sectional view of the detecting end assembly of the present invention;

FIG. 4 is a schematic side view of the plug assembly of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

in the figure:

1. a gas supply assembly; 11. moving the base; 12. a main air pump; 13. a primary air reservoir; 14. an auxiliary air pump; 15. An auxiliary air cylinder;

2. detecting an end component; 21. a fixing ring; 22. an end cap; 221. a gasket; 23. tightening the bolts; 24. a pressure detection meter; 25. a fixing mechanism; 251. fixing the bolt; 252. a fixing plate;

3. a plug assembly; 31. a switching mechanism; 311. a housing; 312. a moving block; 313. a clamping mechanism; 314. Clamping a plate; 315. an extension block; 316. a pin head; 317. a switch lever; 318. a spring; 32. a first expansion body; 321. a side circular plate; 322. an intumescent layer; 33. a communicating pipe; 34. a second expansion body; 35. a third expansion body;

4. an inflation conduit; 5. and (4) branch pipelines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example one

A tightness detection device of a low-temperature pipeline comprises a gas supply assembly 1, a detection end assembly 2 and a plug assembly 3;

the air supply assembly 1 comprises a movable base 11, a main air pump 12 and a main air cylinder 13, wherein the main air pump 12 and the main air cylinder 13 are both fixed on the upper surface of the movable base 11, the output end of the main air pump 12 is connected to the main air cylinder 13 through an air transmission pipeline, an air transmission pipeline 4 is installed on the switch valve, and a power plug is arranged on one side of the movable base 11 through a power line;

the detection end assembly 2 comprises a fixing ring 21 and an end cover 22, a branch pipeline 5 is arranged on the inflation pipeline 4, the branch pipeline 5 is connected to the end cover 22 and extends to the other side, a sealing gasket 221 is arranged on the side wall of the end cover 22, and fixing mechanisms 25 are symmetrically arranged on the outer wall of the fixing ring 21;

the plug assembly 3 comprises a switching mechanism 31 and a first expansion body 32, the first expansion body 32 comprises side circular plates 321 and expansion layers 322, the side circular plates 321 are provided with communicating pipes 33, one end of each communicating pipe 33 extends to the space between the side circular plates 321, supporting rods are welded between the side circular plates 321, and the expansion layers 322 are fixedly connected between the side walls of the side circular plates 321.

The universal wheel is installed to the bottom of moving base 11, install the ooff valve on the main gas receiver 13, the fixed block is installed to the symmetry on end cover 22's the lateral wall, install on the fixed block and tighten up bolt 23, the one end that tightens up bolt 23 is rotated and is installed on the outer wall of fixed ring 21, end cover 22's side wall mounting pressure detection table 24, inflation duct 4 passes through switching mechanism 31 with communicating pipe 33 is linked together, be fixed with handheld pole on the lateral wall of side plectane 321.

The fixing mechanism 25 includes a fixing bolt 251 and a fixing plate 252, the fixing bolt 251 is mounted on the outer wall of the fixing ring 21, one end of the fixing bolt 251 extends into the fixing ring 21, and one end of the fixing bolt 251 is rotatably mounted with the fixing plate 252.

A second expansion body 34 is fixed on one side of the first expansion body 32, a third expansion body 35 is fixed on the side wall of the second expansion body 34, the second expansion body 34 and the third expansion body 35 are structurally the same as the first expansion body 32, the diameter of the side circular plate 321 in the second expansion body 34 is smaller than that of the side circular plate 321 in the first expansion plate, the diameter of the side circular plate 321 in the third expansion body 35 is smaller than that of the side circular plate 321 in the second expansion plate, and one end of the communication pipe 33 is located on the same plane.

The switching mechanism 31 comprises a shell 311, a moving block 312 and a clamping mechanism 313, the shell 311 is fixedly mounted on the first expansion body 32, the moving block 312 is mounted in the shell 311, the clamping mechanism 313 is fixed on the shell 311, a switching pipeline is arranged in the moving block 312, the switching pipeline extends to the side wall of the moving block 312, the inflation pipeline 4 is mounted on the switching pipeline, and the communicating pipes 33 extend into the shell 311.

The clamping mechanism 313 comprises a clamping plate 314, an extending block 315, a pin head 316 and a switching rod 317, wherein the clamping plate 314 is fixed on the shell 311, the extending block 315 is fixed on the moving block 312, a guide hole is formed in the extending block 315, a movable plate is fixed on the pin head 316, the switching rod 317 is clamped on the movable plate, one end of the switching rod 317 extends into the guide hole, a spring 318 is fixedly connected between the movable plate and the side wall of the extending block 315, and a clamping hole matched with the pin head 316 is formed in the clamping plate 314.

Referring to fig. 1-5, when in use, a power plug on one side of the movable base 11 is connected with an external power supply, and then the plug assembly 3 is placed in the pipeline, since the diameters of the side circular plates 321 in the first expansion body 32, the second expansion body 34 and the third expansion body 35 are different, the diameters can be selected according to the size of the pipeline, the gas-filled pipeline 4 can convey gas flow to the space between the side circular plates 321 through the movable block 312 and the communication pipe 33, so that the expansion layer 322 is attached to the inner wall of the pipeline, and the expansion layer 322 is made of rubber.

Need place end cap subassembly 3 in the pipeline through handheld pole during the use, specifically place into the pipeline with first inflation body 32, then the gas in the gas-filled pipeline 4 extrudes inflation layer 322 and pipeline inner wall and pastes together, thereby play the sealing action, switching mechanism 31 can carry the air current in the gas-filled pipeline 4 for the communicating pipe 33 of different positions as required, specifically drive the fly leaf through removing switching rod 317 and remove, and then make round pin head 316 break away from cardboard 314, because one end of switching rod 317 extends to in the guiding hole, so can make the movable block 312 remove through removing switching rod 317, because the distance between the joint hole is the same with the distance between communicating pipe 33, so can switch ventilated communicating pipe 33 through the block of adjusting round pin head 316 and different joint holes, then the cooperation detects end subassembly 2 and can make the pipeline be in encapsulated situation, thereby conveniently detect.

Then establish solid fixed ring 21 cover on the pipeline, then use the spanner to adjust fixing bolt 251, make fixing bolt 251 remove in the solid fixed ring 21 mutually, and then make fixed plate 252 remove in solid fixed ring 21, then the position of restriction solid fixed ring 21, then adjust fixing bolt 251 and make end cover 22 and pipeline laminate mutually, then open the ooff valve on the main gas receiver 13, make in the gaseous admission pipeline, can carry out the gas transmission for main gas receiver 13 through main air pump 12 when atmospheric pressure is low, pressure measurement table 24 can show real-time atmospheric pressure situation after the end of inflating, the user can be more audio-visually observe whether there is the leakage in the pipeline.

Example two

The function of recovering the gas in the pipeline is added on the basis of the first embodiment.

An auxiliary air pump 14 and an auxiliary air reservoir 15 are installed on the movable base 11, an electric valve is installed at the output end of the auxiliary air pump 14, one end of the electric valve is connected to the auxiliary air reservoir 15, the switch valve is installed at the input end of the auxiliary air pump 14, and the switch valve on the auxiliary air pump 14 is communicated with the branch pipe 5.

Referring to fig. 1-5, after the tightness is detected, the auxiliary air pump 14 can collect the high-pressure air in the pipeline into the auxiliary air cylinder 15, and when the air pump 12 is used next time, if the air pressure is too low, the electric valve is opened, so that the air enters the main air cylinder 13 from the auxiliary air cylinder 15.

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

1. The utility model provides a leakproofness detection device of low temperature pipeline which characterized in that: comprises an air supply component (1), a detection end component (2) and a plug component (3);

the air supply assembly (1) comprises a movable base (11), a main air pump (12) and a main air cylinder (13), wherein the main air pump (12) and the main air cylinder (13) are fixed on the upper surface of the movable base (11), the output end of the main air pump (12) is connected to the main air cylinder (13) through an air transmission pipeline, a switch valve is mounted on the main air cylinder (13), an air transmission pipeline (4) is mounted on the switch valve, and a power plug is arranged on one side of the movable base (11) through a power line;

the detection end assembly (2) comprises a fixing ring (21) and an end cover (22), a branch pipeline (5) is arranged on the inflation pipeline (4), the branch pipeline (5) is connected to the end cover (22) and extends to the other side, a sealing gasket (221) is arranged on the side wall of the end cover (22), and fixing mechanisms (25) are symmetrically arranged on the outer wall of the fixing ring (21);

end cap subassembly (3) are including switching mechanism (31) and the first inflation body (32), the first inflation body (32) are including side plectane (321) and inflation layer (322), install communicating pipe (33) on side plectane (321), the one end of communicating pipe (33) extends to between side plectane (321), the welding has the bracing piece between side plectane (321), inflation layer (322) fixed connection is in between the lateral wall of side plectane (321).

2. The device for detecting the sealing performance of the cryogenic pipeline according to claim 1, wherein: the universal wheel is installed to the bottom of removing base (11), the fixed block is installed to the symmetry on the lateral wall of end cover (22), install on the fixed block and tighten up bolt (23), the one end that tightens up bolt (23) is rotated and is installed on the outer wall of fixed ring (21), the side wall mounting pressure of end cover (22) detects table (24), inflation duct (4) pass through switching mechanism (31) with communicating pipe (33) are linked together, be fixed with on the lateral wall of side plectane (321) and hold the pole.

3. The device for detecting the sealing performance of the cryogenic pipeline according to claim 1, wherein: the fixing mechanism (25) comprises a fixing bolt (251) and a fixing plate (252), the fixing bolt (251) is installed on the outer wall of the fixing ring (21), one end of the fixing bolt (251) extends into the fixing ring (21), and one end of the fixing bolt (251) is rotatably installed with the fixing plate (252).

4. The device for detecting the sealing performance of the cryogenic pipeline according to claim 1, wherein: one side of the first expansion body (32) is fixed with a second expansion body (34), a third expansion body (35) is fixed on the side wall of the second expansion body (34), the second expansion body (34) and the third expansion body (35) are the same as the first expansion body (32) in structure composition, the diameter of a side circular plate (321) in the second expansion body (34) is smaller than that of the side circular plate (321) in the first expansion plate, the diameter of the side circular plate (321) in the third expansion body (35) is smaller than that of the side circular plate (321) in the second expansion plate, and one end of the communication pipe (33) is located on the same plane.

5. The device for detecting the sealing performance of the cryogenic pipeline according to claim 4, wherein: the switching mechanism (31) comprises a shell (311), a moving block (312) and a clamping mechanism (313), the shell (311) is fixedly installed on the first expansion body (32), the moving block (312) is installed in the shell (311), the clamping mechanism (313) is fixed on the shell (311), a switching pipeline is arranged in the moving block (312), the switching pipeline extends to the side wall of the moving block (312), the inflation pipeline (4) is installed on the switching pipeline, and the communicating pipes (33) extend into the shell (311).

6. The device for detecting the sealing performance of the cryogenic pipeline according to claim 5, wherein: the clamping mechanism (313) comprises a clamping plate (314), an extension block (315), a pin head (316) and a switching rod (317), the clamping plate (314) is fixed on the shell (311), the extension block (315) is fixed on the moving block (312), a guide hole is formed in the extension block (315), a movable plate is fixed on the pin head (316), the switching rod (317) is clamped on the movable plate, one end of the switching rod (317) extends into the guide hole, a spring (318) is fixedly connected between the movable plate and the side wall of the extension block (315), and a clamping hole matched with the pin head (316) for use is formed in the clamping plate (314).

7. The device for detecting the sealing performance of the cryogenic pipeline according to claim 2, wherein: an auxiliary air pump (14) and an auxiliary air cylinder (15) are installed on the movable base (11), an electric valve is installed at the output end of the auxiliary air pump (14), one end of the electric valve is connected to the auxiliary air cylinder (15), the switch valve is installed at the input end of the auxiliary air pump (14), and the switch valve on the auxiliary air pump (14) is communicated with the branch pipeline (5).