CN109141765A - Coil pipe air-tightness detection device and its detection method - Google Patents
Coil pipe air-tightness detection device and its detection method Download PDFInfo
- Publication number
- CN109141765A CN109141765A CN201811334050.8A CN201811334050A CN109141765A CN 109141765 A CN109141765 A CN 109141765A CN 201811334050 A CN201811334050 A CN 201811334050A CN 109141765 A CN109141765 A CN 109141765A
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- CN
- China
- Prior art keywords
- plugging
- coil pipe
- cylinder
- air
- crane
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/083—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for tubes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
Coil pipe air-tightness detection device, including pedestal, main support and water tank are installed on the pedestal, baffle is additionally provided on pedestal, it is fixed on baffle it is characterized in that, the middle part of the main support is equipped with positioning plate, track is installed on the main support, hydraulic cylinder is mounted on positioning plate, and fixed crane in orbit is connected with below the hydraulic cylinder；Beneficial effects of the present invention: the present invention is designed using reasonable structure, can be carried out pressurization detection to coil pipe, abandoned the deficiency of artificial detection, has submitted the qualification rate of product, and high production efficiency is suitble to promote the use of.
Description
Technical field
The present invention relates to a kind of coil pipe air-tightness detection device and its detection methods, belong to mechanical engineering technical field.
Background technique
Coil heat exchanger includes that hollow tube bends the coil pipe being coiled to form, and coil pipe is equipped with inlet and outlet, disk
When heat exchange of heat pipe works, cold water or hot water for heat exchange flow into coil pipe from water inlet, are discharged after exchanging heat from water outlet.
If a publication No. is that CN205192695U discloses a kind of coil pipe air-tightness detection device, belong to detection device neck
Domain, including anchor ear set, neck bush and end cap, by two along the body axially divided, the combination of body radial direction pairing passes through anchor ear set
Screw connection, anchor ear set are set in coil pipe outer diameter, and end cap is fixedly connected on anchor ear by screw and covers one end, and center is arranged on end cap
Through-hole, neck bush include annular body, are provided with central axial protrusion on one end end face of annular body, annular body is flush-mounted in
In coil pipe, annular body is resisted against on the inner side end of end cap, and an at least annular groove is provided on the periphery of annular body,
Make to play sealing between the external wall of annular sleeve and coil pipe inner wall embedded with sealing ring in annular groove, axial projection is from end cap
Heart through-hole stretches out, and axial projection is provided with axial inflation through-hole and is connected to annular sleeve intracoelomic cavity, and neck bush is limited by end cap, inflation
A charge valve is fitted at the aperture of the front end of the through hole.Solve to be easy to be damaged when high-pressure air source is connect with metal coil pipe lacks
It falls into.
For another example a publication No. is that CN206787822U discloses a kind of fan coil units device for detecting performance, effective to solve
The problems such as energy consumption of air-conditioning can not be analyzed by having determined, and cause energy waste, a kind of fan coil units device for detecting performance include ring
Border cell, the interior installation abacus of environmental chamber and tested fan coil, tested fan coil are connected on the outside of environmental chamber
Wind quantity test device, wind quantity test device connects air-treatment unit, and the side of environmental chamber is equipped with boiler and boiler,
Air-treatment unit and wind quantity test device are connected by pipeline, is tested fan coil, air-treatment unit, boiler and cold water
Case is all connected with control system.
The air-leakage test of coil pipe is all to be directly placed into water to detect after manually blocking nozzle at present, this
Although method speed is fast, coil pipe when detection inside there is no pressure, often generate missing inspection, the phenomenon that false retrieval is sent out
It is raw, increase the disqualification rate of product.
Summary of the invention
The present invention overcomes problem of the existing technology, a kind of coil pipe air-tightness detection device and its detection side are proposed
Method, the present invention are designed using reasonable structure, can carry out pressurization detection to coil pipe, abandon the deficiency of artificial detection, are submitted
The qualification rate of product, high production efficiency.
The specific technical solution of the present invention is as follows:
Coil pipe air-tightness detection device, including pedestal are equipped with main support and water tank on the pedestal, are additionally provided on pedestal
Baffle, which is characterized in that
The middle part of the main support is equipped with positioning plate and is fixed on baffle, and track, hydraulic cylinder are equipped on the main support
It is mounted on positioning plate, fixed crane in orbit is connected with below the hydraulic cylinder；
Guide rod and open channel are installed in the crane, two sets of air blowing framves, the air blowing are installed on the guide rod
Cylinder one is installed, the cylinder one is connected with blow head by push rod, and the blow head passes through open channel, described to blow on frame
It is additionally provided with intake interface in a fit of anger；
The side of the crane is equipped with cylinder two, cylinder three and fixed frame, and the lower section of the cylinder two, which is connected with, hangs
Block, hanging block are connected with closing piece, and preceding plugging and rear plugging are mounted on closing piece, and preceding plugging and rear plugging are equipped with intake interface, and two
Air induction hose is respectively connected between a blow head and preceding plugging and the intake interface of rear plugging；It also installs the bottom of the crane
There is supporting tube；The plugging extends on external movement frame, and the cylinder three is connected with drive rod, the drive rod and hinged
Swing piece on fixed frame is hinged, and the swing piece and movement frame are hinged.
Preferentially, the side of the crane is also equipped with regulation handle, and the regulation handle is connected with threaded rod laying
Wherein on an air blowing frame.
Based on above-mentioned apparatus, the present invention also proposes a kind of coil pipe air-tightness detection method, which is characterized in that including walking as follows
It is rapid:
1) crane is driven to be raised to top in orbit by hydraulic cylinder, later by water tank topped up with water, by rubber seal
It is covered in preceding plugging and rear plugging in advance；
2) coil pipe workpiece to be detected is covered and is fixed on supporting tube, pass through the up and down motion drive that cylinder two controls hanging block
Preceding plugging and rear plugging, which carry out adjustment up and down, being moved up and down by the drive drive rod of cylinder three makes to swing piece is swung, in this way
Preceding plugging and rear plugging are just driven forward or backward, by above-mentioned two kinds of adjustings, preceding plugging and rear plugging just with coil pipe
Front and back nozzle carries out corresponding docking, does encapsulation process with rubber seal at docking later；
3) by the steam line outside the intake interface connection of blow head, steam line connects high-pressure pump, passes through later
Regulation handle drives threaded rod rotation to move one of air blowing frame on guide rod and carries out position adjustment, is blown later by two
Gas head is connect with the intake interface of preceding plugging and rear plugging respectively by air induction hose；
4) it drives crane to drop to bottom in orbit by hydraulic cylinder, submerges coil pipe in water, pass through high pressure later
Air pump supplies steam line, and gas is entered after preceding plugging and rear plugging by air induction hose to be entered back into coil pipe, work
Make the personnel inspection water surface and there is bubble-free to gush out judge whether coil pipe is qualified.
Beneficial effects of the present invention: the present invention is designed using reasonable structure, can be carried out pressurization detection to coil pipe, be abandoned
The deficiency of artificial detection, has submitted the qualification rate of product, and high production efficiency is suitble to promote the use of.
Detailed description of the invention
Fig. 1 is the structure chart of coil pipe air-tightness detection device of the present invention；
Fig. 2 is the further disassemblying structure figure of Fig. 1；
Fig. 3 is the structure chart of another view direction of Fig. 2.
Specific embodiment
Embodiment 1
As shown, coil pipe air-tightness detection device, including pedestal 30, main support 2 and water are installed on the pedestal 30
Case 6 is additionally provided with baffle 10 on pedestal 30, and the middle part of the main support 2 is equipped with positioning plate 1 and is fixed on baffle 10, the main branch
Track 8 is installed, hydraulic cylinder 7 is mounted on positioning plate 1, and the lower section of the hydraulic cylinder 7, which is connected with, to be fixed on track 8 on frame 2
Crane 11；
Guide rod 23 and open channel 25 are installed in the crane 11, two sets of air blowing framves 3 are installed on the guide rod 23,
Cylinder 1 is installed, the cylinder 1 is connected with blow head 24 by push rod, and the blow head 24 is worn on the air blowing frame 3
Open channel 25 is crossed, is additionally provided with intake interface 26 on the blow head 24.The side of crane 11 is also equipped with regulation handle 4,
The regulation handle 4 is connected with threaded rod 5 and is laid on one of air blowing frame 3.It can be made wherein by rotating regulation handle 4
One blow head 24 moves in open channel 25 carries out corresponding adjusting, while cylinder 1 can be driven by push rod and be blown
First 24 are moved up and down to carry out the maintenance of equipment and replacement.
The side of the crane 11 is equipped with cylinder 2 16, cylinder 3 15 and fixed frame 20, under the cylinder 2 16
Side is connected with hanging block 13, and hanging block 13 is connected with closing piece 21, and preceding plugging and rear plugging 27 are mounted on closing piece 21, and preceding plugging 36 is with after
Plugging 27 be equipped with intake interface, be respectively connected between two blow heads 24 and preceding plugging 36 and the intake interface of rear plugging 27 into
Gas hose；The bottom of the crane 11 is also equipped with supporting tube 14；The plugging 27 extends on external movement frame 35, institute
It states cylinder 3 15 and is connected with drive rod 17, the drive rod 17 and the swing piece 19 being hinged on fixed frame 20 are hinged, the pendulum
Movable plate 19 and movement frame 35 are hinged.The quantity of cylinder 2 16 is 2, controls preceding plugging 36 and rear plugging 27, cylinder 3 15 respectively
Make to control preceding plugging 36 by hinge part and rear plugging 27 is moved forward and backward, cylinder 2 16 is by 36 He of plugging before extension and contraction control
Plugging 27 moves up and down afterwards, it may be assumed that drives preceding plugging 36 and rear plugging by the up and down motion that cylinder 2 16 controls hanging block 13
It is adjusted above and below 27 progress, the up and down motion of drive rod 17 is driven to swing swing piece 19 by cylinder 3 15, plugging preceding in this way
36 and rear plugging 27 be just driven forward or backward, by above-mentioned two kinds of adjustings, preceding plugging 36 and rear plugging 27 are just and coil pipe
Front and back nozzle carry out corresponding docking, prepare for subsequent gas supply.
Based on above-mentioned apparatus, the present invention also proposes a kind of coil pipe air-tightness detection method, which is characterized in that including walking as follows
It is rapid:
1) crane 11 is driven to rise to top in track 8 by hydraulic cylinder 7, it is later by 6 topped up with water of water tank, rubber is close
Seal is covered in advance in preceding plugging 36 and rear plugging 27；
2) coil pipe workpiece to be detected is covered and is fixed on supporting tube 14, pass through the fortune up and down that cylinder 2 16 controls hanging block 13
It is dynamic that preceding plugging 36 and rear plugging 27 is driven adjust up and down, the up and down motion of drive rod 17 is driven to make to swing piece by cylinder 3 15
19 are swung, and plugging 36 preceding in this way and rear plugging 27 are just driven forward or backward, pass through two kinds of above-mentioned adjustings, preceding plugging
36 and rear plugging 27 just carry out corresponding docking with the front and back nozzle of coil pipe, do sealing with rubber seal at docking later at
Reason；
3) intake interface 26 of blow head 24 is connected to external steam line, steam line connects high-pressure pump, later
It drives the rotation of threaded rod 5 to move one of air blowing frame 3 on guide rod 23 by regulation handle 4 and carries out position adjustment, later
It is connect respectively with the intake interface of preceding plugging 36 and rear plugging 27 by two blow heads 24 by air induction hose；
4) it drives crane 11 to drop to bottom on track 8 by hydraulic cylinder 7, submerges coil pipe in water, pass through later
High-pressure pump supplies steam line, and gas is entered after preceding plugging 36 and rear plugging 27 by air induction hose enters back into disk
In pipe, staff checks that the water surface has bubble-free to gush out and judge whether coil pipe is qualified.
In addition to the implementation, the present invention can also have other embodiments.It is all to use equivalent substitution or equivalent transformation shape
At technical solution, fall within the scope of protection required by the present invention.
Claims (3)
1. coil pipe air-tightness detection device, including pedestal (30), main support (2) and water tank (6) are installed on the pedestal (30),
Baffle (10) are additionally provided on pedestal (30), which is characterized in that
The middle part of the main support (2) is equipped with positioning plate (1) and is fixed on baffle (10), installs rail on the main support (2)
Road (8), hydraulic cylinder (7) are mounted on positioning plate (1), are connected with the liter being fixed on track (8) below the hydraulic cylinder (7)
It drops frame (11)；
Guide rod (23) and open channel (25) are installed in the crane (11), two sets of air blowings are installed on the guide rod (23)
Frame (3) is equipped with cylinder one (22) on the air blowing frame (3), and the cylinder one (22) is connected with blow head (24) by push rod,
The blow head (24) passes through open channel (25), is additionally provided with intake interface (26) on the blow head (24)；
The side of the crane (11) is equipped with cylinder two (16), cylinder three (15) and fixed frame (20), the cylinder two
(16) it is connected with below hanging block (13), hanging block (13) is connected with closing piece (21), and preceding plugging and rear plugging (27) are mounted on closing piece
(21) on, preceding plugging (36) and rear plugging (27) are equipped with intake interface, and two blow heads (24) are stifled with preceding plugging (36) and afterwards
It manages and is respectively connected with air induction hose between the intake interface of (27)；The bottom of the crane (11) is also equipped with supporting tube (14)；
The plugging (27) extends on external movement frame (35), and the cylinder three (15) is connected with drive rod (17), the transmission
Hingedly, the swing piece (19) and movement frame (35) are hinged for bar (17) and the swing piece (19) being hinged on fixed frame (20).
2. coil pipe air-tightness detection device as described in claim 1, which is characterized in that also pacify the side of the crane (11)
Equipped with regulation handle (4), the regulation handle (4) is connected with threaded rod (5) and is laid on one of air blowing frame (3).
3. coil pipe air-tightness detection method, which comprises the steps of:
1) crane (11) are driven to rise to top in track (8) by hydraulic cylinder (7), later by water tank (6) topped up with water, by rubber
Glue sealing ring is covered in advance in preceding plugging (36) and rear plugging (27)；
2) coil pipe workpiece to be detected is covered and is fixed on supporting tube (14), above and below cylinder two (16) control hanging block (13)
Movement drives preceding plugging (36) and rear plugging (27) to carry out adjustment up and down, drives drive rod (17) to transport up and down by cylinder three (15)
Dynamic to swing swing piece (19), plugging (36) preceding in this way and rear plugging (27) are just driven forward or backward, by above-mentioned
Two kinds of adjustings, preceding plugging (36) and rear plugging (27) the just corresponding docking with the progress of the front and back nozzle of coil pipe docking later
Encapsulation process is done with rubber seal in place；
3) by the steam line outside intake interface (26) connection of blow head (24), steam line connects high-pressure pump, later
It drives threaded rod (5) rotation to move one of air blowing frame (3) on guide rod (23) by regulation handle (4) and carries out position tune
It is whole, connected respectively with the intake interface of preceding plugging (36) and rear plugging (27) by two blow heads (24) by air induction hose later
It connects；
4) it drives crane (11) to drop to bottom on track (8) by hydraulic cylinder (7), submerges coil pipe in water, Zhi Houtong
It crosses high-pressure pump to supply steam line, gas is entered after preceding plugging (36) and rear plugging (27) again by air induction hose
Into in coil pipe, staff checks that the water surface has bubble-free to gush out and judge whether coil pipe is qualified.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334050.8A CN109141765A (en) | 2018-11-09 | 2018-11-09 | Coil pipe air-tightness detection device and its detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811334050.8A CN109141765A (en) | 2018-11-09 | 2018-11-09 | Coil pipe air-tightness detection device and its detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109141765A true CN109141765A (en) | 2019-01-04 |
Family
ID=64808039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811334050.8A Withdrawn CN109141765A (en) | 2018-11-09 | 2018-11-09 | Coil pipe air-tightness detection device and its detection method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109141765A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116222888A (en) * | 2023-03-27 | 2023-06-06 | 扬中鸿运医药包装有限公司 | Inner cover air tightness detection tool for PP combined cover for infusion container |
-
2018
- 2018-11-09 CN CN201811334050.8A patent/CN109141765A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116222888A (en) * | 2023-03-27 | 2023-06-06 | 扬中鸿运医药包装有限公司 | Inner cover air tightness detection tool for PP combined cover for infusion container |
| CN116222888B (en) * | 2023-03-27 | 2023-12-15 | 扬中鸿运医药包装有限公司 | Inner cover air tightness detection tool for PP combined cover for infusion container |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190104 |