CN208596018U - A kind of pipeline vacuum leak test plant - Google Patents
A kind of pipeline vacuum leak test plant Download PDFInfo
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- CN208596018U CN208596018U CN201820908084.2U CN201820908084U CN208596018U CN 208596018 U CN208596018 U CN 208596018U CN 201820908084 U CN201820908084 U CN 201820908084U CN 208596018 U CN208596018 U CN 208596018U
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- leak
- pipeline
- sealing
- leak detection
- cabinet
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Abstract
The utility model relates to a kind of pipeline vacuum leak test plants, including cabinet of hunting leak, the bottom of the leak detection cabinet is open equipped with arch, the arch opening is equipped with flexible seal cover, the periphery of the upper end opening of the flexible seal cover is adapted to and is tightly connected with the periphery that the arch is open, and the periphery of another end opening of the flexible seal cover is adapted to and is sealedly connected with sealing bar assembly；The fixed rope for being bundled in the sealing bar assembly sealing on the outer wall of pipeline is fixedly connected on the sealing bar assembly；The inner cavity of the leak detection cabinet is communicated with vacuum evacuation device by connecting tube, is equipped with baroceptor in the leak hunting box body, the leak hunting box is equipped in vitro has display with the baroceptor circuit connection.The beneficial effects of the utility model are: realizing the pipeline that can be suitably used for different-diameter, applicability is wide, reduces leak detection cost when hunting leak to the pipeline of different-diameter since flexible seal cover has certain retractility.
Description
Technical field
The utility model relates to vacuum leak hunting equipment technical field more particularly to a kind of pipeline vacuum leak test plants.
Background technique
The pressure pipeline of high length is to have much shorter pressure pipings to be formed by connecting, and is passed through between two pressure pipings
The connection types such as welding are attached, and after pressure pipeline is worked long hours, hair is easy at the solder design of pressure pipeline
Raw aging, the pressure pipeline after aging can be revealed during the work time, not only result in the waste of raw material, or even will affect
The safety in production of enterprise.
Common pressure pipeline detection device is only capable of whether detection pressure pipeline leaks, but for pressure pipeline
Specifically leak position can not accurately be judged, and when gap leakage is smaller on pressure pipeline, operator can not sentence
Break its specific leak position, or even can not judge whether it leaks；And then cause pressure pipeline when meeting with minor issue leakage
It can not repair in time, when the expansion of leakage problem, then will affect the normal production of enterprise.
It is usually necessary to use the ring type seals with pressure measurement groove to wait for this pipeline for existing pressure pipeline detection device
The whole circumference of detection position is all wrapped up, then by vacuum pump apparatus to being evacuated in seal groove, by seal groove
The detection to leakproofness is realized in the monitoring of air pressure, to realize the leak detection to pipeline.This leakage detection apparatus is due to needing to entire
Band leak detection pipeline is wrapped up, and entire leakage detection apparatus only can be suitably used for a kind of pipeline of diameter, after the diameter of pipeline changes, then
The leakage detection apparatus is just not suitable for, and in the actual use process, it usually needs it hunts leak to the pipeline of different-diameter, that is just
The ring type seal for needing different inner diameters increases the cost of leak detection.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of structure is simple, the pipe of different-diameter can be suitably used for
Road, pipeline vacuum leak test plant easy for installation.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of pipeline vacuum leak test plant, including inspection
Runout body, the bottom of the leak detection cabinet are equipped with the arch opening through described leak detection two opposite sides of cabinet, the arch
Shape opening is equipped with flexible seal cover, and the flexible seal cover is the ring barrel structure that upper and lower ends are equipped with opening, and the flexibility is close
The periphery of the upper end opening of sealing cover is adapted to the periphery that the arch is open and is tightly connected the inner cavity so that the leak detection cabinet
It is connected to the bore seal of the flexible seal cover, the periphery of the lower ending opening of the flexible seal cover is sealedly connected with sealing
Bar assembly；Being fixedly connected on the outer wall for the sealing bar assembly sealing to be bundled in pipeline on the sealing bar assembly makes
Obtain the fixed rope that sealing space is formed in leak hunting box body, between the flexible seal cover and the outer wall of pipeline；The leak detection cabinet
Inner cavity vacuum evacuation device is communicated with by connecting tube, be equipped in the leak hunting box body for detecting the leak detection box house gas
The baroceptor of pressure, the leak hunting box are equipped in vitro with the baroceptor circuit connection for showing the air pressure sensing
The display of the air pressure numerical value of device detection.
The beneficial effects of the utility model are: by the way that flexible seal cover is arranged on the periphery that arch is open, by flexibility
The sealing bar assembly for abutting pipeline outer wall is arranged in another end opening of seal closure, then will seal bar assembly by fixed rope
Sealing is fixed on the outer wall of pipeline, so that being formed between the outer wall of the inner cavity of leak detection cabinet, flexible seal cover and pipeline close
Space is sealed, the air in sealing space is then extracted by vacuum evacuation device, sealing space is then detected by baroceptor
Interior air pressure illustrates that the segment pipe is intact when air pressure remains unchanged, conversely, working as air pressure increase with time, illustrates the pipe of this section
Road leaks；In the present invention, since flexible seal cover has certain retractility, realization can be suitably used for different-diameter
Pipeline, applicability is wide, reduces leak detection cost when hunting leak to the pipeline of different-diameter.
Based on the above technical solution, the utility model can also do following improvement.
Further, the arch opening includes that two parallel sides and difference of the bottom end of the leak detection cabinet are arranged in
The arc-shaped side edges being located on the leak detection two opposite sides of cabinet, the sealing bar assembly include two and are open with the arch
Parallel sides vertical bar shaped sealing strip disposed in parallel and two be located at same side with the arc-shaped side edges respectively
Arc sealing strip, the both ends of two arc sealing strips are tightly connected with the both ends of two vertical bar shaped sealing strips respectively,
The fixed rope is connect with the arc sealing strip.
Beneficial effect using above-mentioned further scheme is: arc sealing strip is able to achieve the sealing to the curved surfaces of pipeline
Covering improves leakproofness when abutting with the outer wall of pipeline.
Further, the connection for extending and running through along its length its both ends is equipped in two arc sealing strips
Hole, the fixed rope is equipped in two connecting holes, and one end of the fixed rope leads to through and out after the connecting hole
Rope fastening device is crossed to connect with the other end.
Beneficial effect using above-mentioned further scheme is: by the way that connecting hole is arranged in arc sealing strip, passing through fixation
One end of rope is through and out the connecting hole, after being attached by both ends of the rope fixture to fixed rope, solid
Surely under the pulling force effect restricted, arc sealing strip can be preferably tightly connected with the outer wall of pipeline.
Further, the rope fastening device includes U-shaped fixed link and fixed block, and the both ends of the U-shaped fixed link are all provided with
Have a screw thread, the upper both ends being equipped with side by side for the U-shaped fixed link of the fixed block through and out fixation hole, it is described U-shaped
The both ends of fixed link are each passed through and connect after stretching out the fixation hole with nut thread；The both ends of the fixed rope both pass through simultaneously
It stretches out between the U-shaped bottom end and the fixed block of the U-shaped fixed link.
Beneficial effect using above-mentioned further scheme is: the both ends of fixed rope both pass through and stretch out the U-shaped of U-shaped fixed link
After between bottom end and fixed block, by adjusting nut, the distance between U-shaped bottom end and fixed block of U-shaped fixed link are reduced, thus
Realization is fixedly connected with rope.
Further, the leak detection cabinet is equipped with the air inlet pipe being connected to the inner cavity of the leak detection cabinet, the air inlet pipe
It is equipped with intake solenoid valve.
Beneficial effect using above-mentioned further scheme is: after detection, open intake solenoid valve, ambient atmos from
Air inlet pipe enters in leak hunting box body so that air pressure is identical as ambient pressure in leak hunting box body, facilitate by the sealing bar assembly from
It is dismantled on pipeline.
Further, the connecting tube is equipped with exhaust solenoid valve.
Beneficial effect using above-mentioned further scheme is: the setting energy of exhaust solenoid valve is timely, connection is rapidly closed
The connection of pipe and vacuum evacuation device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the rope fastening device in the utility model；
In attached drawing, parts list represented by the reference numerals are as follows:
1, leak detection cabinet, 2, arch opening, 2-1, parallel sides, 2-2, arc-shaped side edges, 3, flexible seal cover, 4, sealing strip
Component, 4-1, vertical bar shaped sealing strip, 4-2, arc sealing strip, 5, fixed rope, 6, vacuum evacuation device, 7, baroceptor, 8, aobvious
Show device, 9, connecting hole, 10, rope fastening device, 10-1, U-shaped fixed link, 10-2, fixed block, 10-3, nut, 11, air inlet pipe,
12, intake solenoid valve, 13, exhaust solenoid valve, 14, connecting tube.
Specific embodiment
The principles of the present invention and feature are described below in conjunction with attached drawing, example is served only for explaining that this is practical
It is novel, it is not intended to limit the scope of the utility model.
As shown in Figure 1 and Figure 2, the embodiments of the present invention include leak detection cabinet 1, in the present embodiment, the leak hunting box
Body 1 can be rectangular box or round box or other irregular shape cabinets, and preferably, the leak detection cabinet 1 is rectangle
Cabinet, the bottom of the leak detection cabinet 1 are equipped with the arch opening 2 through described leak detection 1 two opposite sides of cabinet, the arch
It is equipped with flexible seal cover 3 at shape opening 2, the flexible seal cover 3 is made of rubber material, with certain elasticity and stretches
Property, it is convenient to adjust its shape as needed.In the present embodiment, the flexible seal cover 3 is the cover of fan-shaped tubular, both ends point
It She You not be open, and the periphery of the upper end opening of the flexible seal cover 3 is adapted to the periphery of arch opening 2 and seals company
It connects so that the inner cavity of the leak detection cabinet 1 is connected to the bore seal of the flexible seal cover 3, under the flexible seal cover 3
The periphery of end opening is sealedly connected with sealing bar assembly 4；It is fixedly connected on the sealing bar assembly for by the sealing
The sealing of bar assembly 4, which is bundled on the outer wall of pipeline, to hunt leak in cabinet 1, between the flexible seal cover 3 and the outer wall of pipeline
Form the fixed rope 5 of sealing space；The inner cavity of the leak detection cabinet 1 is communicated with vacuum evacuation device 6, the inspection by connecting tube 14
Be equipped with the baroceptor 7 for detecting leak detection 1 air pressure inside of cabinet in runout body 1, the leak detection cabinet 1 be externally provided with and
The display 8 for the air pressure numerical value that 7 circuit connection of baroceptor is used to show that the baroceptor 7 detects.
In the present embodiment, the arch opening 2 includes that two parallel sides of the bottom end of the leak detection cabinet 1 are arranged in
2-1 and the arc-shaped side edges 2-2 being respectively provided on the leak detection two opposite sides of cabinet 1, the sealing bar assembly 4 include
Two with the arch opening 2 parallel sides 2-1 vertical bar shaped sealing strip 4-1 disposed in parallel and two respectively with institute
The arc sealing strip 4-2 that arc-shaped side edges 2-2 is located at same side is stated, in the present embodiment, two arc sealing strip 4-2 are flat
Row setting, and in the same plane with two arc-shaped side edges 2-2 respectively, the both ends of two arc sealing strip 4-2
It is tightly connected respectively with the both ends of two vertical bar shaped sealing strip 4-1, the fixed rope 5 and arc sealing strip 4-2 connects
It connects.Arc sealing strip 4-2 is able to achieve the covering of the sealing to the curved surfaces of pipeline, improves sealing when abutting with the outer wall of pipeline
Property.
Preferred embodiment are as follows: be equipped with and extend along its length and through it in two arc sealing strip 4-2
The connecting hole 9 at both ends, is equipped with the fixed rope 5 in two connecting holes 9, one end of the fixed rope 5 through and out
It is connect by rope fastening device 10 with the other end after one connecting hole 9.By the way that connecting hole is arranged in arc sealing strip 4-2
9, by one end of fixed rope 5 through and out the connecting hole 9, by rope fixture to the both ends of fixed rope 5 into
After row connection, under the pulling force effect of fixed rope 5, arc sealing strip 4-2 can be preferably tightly connected with the outer wall of pipeline.
Further, the rope fastening device 10 includes U-shaped fixed link 10-1 and fixed block 10-2, the U-shaped fixed link
The both ends of 10-1 are equipped with screw thread, and upper be equipped with side by side of the fixed block 10-2 supplies the both ends of the U-shaped fixed link 10-1 to pass through
And the fixation hole stretched out, the both ends of the U-shaped fixed link 10-1 be each passed through and stretch out after the fixation hole with nut 10-3 spiral shell
Line connection；The both ends of the fixed rope 5 both pass through and stretch out the U-shaped fixed link 10-1 U-shaped bottom end and the fixed block 10-
Between 2.After the both ends of fixed rope 5 both pass through and stretch out between the U-shaped bottom end and fixed block 10-2 of U-shaped fixed link 10-1, pass through
Adjusting nut 10-3 reduces the distance between U-shaped bottom end and fixed block 10-2 of U-shaped fixed link 10-1, to realize to rope
Be fixedly connected.
In the utility model preferred embodiment, the leak detection cabinet 1 is equipped with the inner cavity with the leak detection cabinet 1
The air inlet pipe 11 of connection, the air inlet pipe 11 are equipped with intake solenoid valve 12.After detection, intake solenoid valve 12 is opened,
Ambient atmos enter in leak detection cabinet 1 from air inlet pipe 11, so that air pressure is identical as ambient pressure in leak detection cabinet 1, facilitate institute
Sealing bar assembly 4 is stated to dismantle from pipeline.The connecting tube 14 is equipped with exhaust solenoid valve 13, the setting energy of exhaust solenoid valve 13
In time, the connection of connecting tube 14 Yu vacuum evacuation device 6 is rapidly closed.
By the way that flexible seal cover 3 is arranged on the periphery of arch opening 2 in the utility model, by flexible seal cover 3
The sealing bar assembly 4 for abutting pipeline outer wall is arranged in another end opening, is then sealed by fixed rope 5 by bar assembly 4 is sealed
It is fixed on the outer wall of pipeline, so that forming sealing between the outer wall of the inner cavity of leak detection cabinet 1, flexible seal cover 3 and pipeline
Then space extracts the air in sealing space by vacuum evacuation device 6, then detects sealing space by baroceptor 7
Interior air pressure illustrates that the segment pipe is intact when air pressure remains unchanged, conversely, working as air pressure increase with time, illustrates the pipe of this section
Road leaks；In the present invention, since flexible seal cover 3 has certain retractility, realization can be suitably used for different straight
The pipeline of diameter, applicability is wide, reduces leak detection cost when hunting leak to the pipeline of different-diameter.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (6)
1. a kind of pipeline vacuum leak test plant, which is characterized in that including hunting leak cabinet (1), the bottom of leak detection cabinet (1) is set
There is the arch opening (2) through described leak detection (1) two opposite side of cabinet, is equipped at the arch opening (2) flexible close
Sealing cover (3), the flexible seal cover (3) are the ring barrel structure that upper and lower ends are equipped with opening, the upper end of the flexible seal cover (3)
The periphery of opening be open with the arch (2) periphery be adapted to and be tightly connected so that it is described leak detection cabinet (1) inner cavity and institute
The bore seal connection of flexible seal cover (3) is stated, the periphery of the lower ending opening of the flexible seal cover (3) is sealedly connected with close
Strip of paper used for sealing component (4)；It is fixedly connected on the sealing bar assembly (4) for the sealing bar assembly (4) sealing to be bundled in pipe
Make to hunt leak on the outer wall in road in cabinet (1), form consolidating for sealing space between the flexible seal cover (3) and the outer wall of pipeline
Fixed rope (5)；The inner cavity of leak detection cabinet (1) is communicated with vacuum evacuation device (6) by connecting tube (14), the leak detection cabinet
(1) baroceptor (7) for detecting described leak detection cabinet (1) air pressure inside is equipped in, the leak detection cabinet (1) is externally provided with
It is used to show the display of the air pressure numerical value of the baroceptor (7) detection with the baroceptor (7) circuit connection
(8)。
2. a kind of pipeline vacuum leak test plant according to claim 1, which is characterized in that arch opening (2) includes
Be arranged it is described leak detection cabinet (1) bottom end two parallel sides (2-1) and be respectively provided at leak detection cabinet (1) two-phase
Pair side on arc-shaped side edges (2-2), it is described sealing bar assembly (4) include two with the arch opening (2) it is described put down
Row side (2-1) vertical bar shaped sealing strip (4-1) disposed in parallel and two are located at the arc-shaped side edges (2-2) same respectively
The arc sealing strip (4-2) of side, the both ends of two arc sealing strips (4-2) respectively with two vertical bar shaped sealing strips
The both ends of (4-1) are tightly connected, and the fixed rope (5) connect with the arc sealing strip (4-2).
3. a kind of pipeline vacuum leak test plant according to claim 2, which is characterized in that two arc sealing strips
It is equipped with the connecting hole (9) for extending and running through along its length its both ends in (4-2), is all provided in two connecting holes (9)
Have the fixed rope (5), one end of the fixed rope (5) is through and out passing through rope fastening device after the connecting hole (9)
(10) it is connect with the other end.
4. a kind of pipeline vacuum leak test plant according to claim 3, which is characterized in that the rope fastening device (10)
Including U-shaped fixed link (10-1) and fixed block (10-2), the both ends of the U-shaped fixed link (10-1) are equipped with screw thread, described solid
Determine block (10-2) it is upper side by side be equipped with for the U-shaped fixed link (10-1) both ends through and out fixation hole, it is described U-shaped solid
The both ends of fixed pole (10-1) are each passed through and are threadedly coupled after stretching out the fixation hole with nut (10-3)；The fixed rope (5)
Both ends both pass through and stretch out between the U-shaped bottom end and the fixed block (10-2) of the U-shaped fixed link (10-1).
5. a kind of pipeline vacuum leak test plant according to any one of claims 1 to 4, which is characterized in that the leak hunting box
Body (1) is equipped with the air inlet pipe (11) being connected to the inner cavity of leak detection cabinet (1), and the air inlet pipe (11) is equipped with air inlet electricity
Magnet valve (12).
6. a kind of pipeline vacuum leak test plant according to any one of claims 1 to 4, which is characterized in that the connecting tube
It is equipped with exhaust solenoid valve (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908084.2U CN208596018U (en) | 2018-06-12 | 2018-06-12 | A kind of pipeline vacuum leak test plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820908084.2U CN208596018U (en) | 2018-06-12 | 2018-06-12 | A kind of pipeline vacuum leak test plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208596018U true CN208596018U (en) | 2019-03-12 |
Family
ID=65601228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820908084.2U Expired - Fee Related CN208596018U (en) | 2018-06-12 | 2018-06-12 | A kind of pipeline vacuum leak test plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208596018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963658A (en) * | 2019-12-12 | 2021-06-15 | 南京宝地梅山产城发展有限公司 | Box type perfusion leakage repairing device |
| CN113834909A (en) * | 2021-09-26 | 2021-12-24 | 张正正 | A new type of portable non-destructive microenvironment test chamber device |
| CN117685512A (en) * | 2024-02-02 | 2024-03-12 | 潍坊威特尔管业有限公司 | Mining leakage detection device and method thereof |
-
2018
- 2018-06-12 CN CN201820908084.2U patent/CN208596018U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112963658A (en) * | 2019-12-12 | 2021-06-15 | 南京宝地梅山产城发展有限公司 | Box type perfusion leakage repairing device |
| CN112963658B (en) * | 2019-12-12 | 2023-09-29 | 宝武装备智能科技有限公司 | Box type filling and leak repairing device |
| CN113834909A (en) * | 2021-09-26 | 2021-12-24 | 张正正 | A new type of portable non-destructive microenvironment test chamber device |
| CN117685512A (en) * | 2024-02-02 | 2024-03-12 | 潍坊威特尔管业有限公司 | Mining leakage detection device and method thereof |
| CN117685512B (en) * | 2024-02-02 | 2024-04-16 | 潍坊威特尔管业有限公司 | Mining leakage detection device and method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190312 Termination date: 20200612 |
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| CF01 | Termination of patent right due to non-payment of annual fee |