CN203981355U - A kind of air cooler fin pipe base tube pressure testing sealing device for leakage check - Google Patents
A kind of air cooler fin pipe base tube pressure testing sealing device for leakage check Download PDFInfo
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- CN203981355U CN203981355U CN201420442843.2U CN201420442843U CN203981355U CN 203981355 U CN203981355 U CN 203981355U CN 201420442843 U CN201420442843 U CN 201420442843U CN 203981355 U CN203981355 U CN 203981355U
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Abstract
An air cooler fin pipe base tube pressure testing sealing device for leakage check, makes detected pipeline pressure in withstand voltage test reach 20MPa, guarantees the detection reliable in quality of pipeline pressure test leak test; Wear-resisting durable, be easy to change, increase the service life; Reduce maintenance maintenance time and cost, save production cost.By sealing block, hydraulic pressure groove, screw half hole, plug screw installation cavity, the first round section joint ring, the first round section joint ring draw-in groove, hollow plug screw, the second round section joint ring draw-in groove, leak test pipe birdsmouth, the second round section joint ring, seal pad, screwing through hole, leak test pipe birdsmouth through hole, gib screw forms; Sealing block one side arranges seal pad, and between seal pad and sealing block, correspondence arranges hollow plug screw.Sealing block middle part arranges " L " type hydraulic pressure groove, and one end of hydraulic pressure groove is arranged at operating surface middle part, and plug screw installation cavity is set between the other end and seal pad, and in plug screw installation cavity, correspondence arranges the hollow plug screw of truncated cone-shaped.
Description
Technical field
The utility model relates to pipe pressure testing leakage testing device, especially a kind of air cooler fin pipe base tube pressure testing sealing device for leakage check.
Background technology
Air cooler standard NB/T47007-2010 requires finned tube base tube will first carry out withstand voltage test before use, detects the production and processing that enters again next process after qualified; At present, the withstand voltage test of pipe adopts flat seal, and encapsulant adopts high anti-tear silica gel plate, and in process of the test, encapsulant is easily by crushing, and cannot realize high pressure sealing, causes the withstand voltage properties of pipe to be difficult to detect.On the other hand, the ejecting block main body in existing Withstand test device is one, and the boss of jacking block is accepted in a large number by the pipeline of pressure testing leak test, uses wearing and tearing larger for a long time; Once change, will change by integral demounting, repair difficulty, scrap unfortunately; Expend servicing time and maintenance cost, reduce tenure of use; Production cost is higher.
In view of the foregoing, existing pipe Withstand test device need to improve innovation.
Utility model content
The purpose of this utility model is in order to overcome deficiency of the prior art, and a kind of air cooler fin pipe base tube pressure testing sealing device for leakage check is provided, and makes detected pipeline pressure in withstand voltage test reach 20MPa, guarantees the detection reliable in quality of pipeline pressure test leak test; Wear-resisting durable, be easy to change, increase the service life; Reduce maintenance maintenance time and cost, save production cost.
The utility model to achieve these goals, adopts following technical scheme: a kind of air cooler fin pipe base tube pressure testing sealing device for leakage check is by sealing block, hydraulic pressure groove, screw half hole, plug screw installation cavity, the first round section joint ring, the first round section joint ring draw-in groove, hollow plug screw, the second round section joint ring draw-in groove, leak test pipe birdsmouth, the second round section joint ring, seal pad, screwing through hole, leak test pipe birdsmouth through hole, gib screw forms; Sealing block one side arranges seal pad, and between seal pad and sealing block, correspondence arranges hollow plug screw.
Sealing block middle part arranges " L " type hydraulic pressure groove, and one end of hydraulic pressure groove is arranged at operating surface middle part, and plug screw installation cavity is set between the other end and seal pad, and in plug screw installation cavity, correspondence arranges the hollow plug screw of truncated cone-shaped; Plug screw installation cavity periphery is centered by the axial line of hollow plug screw, and uniform at least one pair of screw half hole that arranges is in sealing block one side; On seal pad, corresponding screw half hole arranges screwing through hole, screwing through hole and the corresponding gib screw that arranges in screw half hole.
Hollow plug screw one end coaxial inner conductor arranges leak test pipe birdsmouth, and the corresponding leak test pipe birdsmouth in seal pad middle part arranges leak test pipe birdsmouth through hole, in leak test pipe birdsmouth through hole, leak test pipe birdsmouth is set; Hollow plug screw two ends coaxial inner conductor arranges respectively the first round section joint ring draw-in groove and the second round section joint ring draw-in groove, and the second round section joint ring draw-in groove is arranged at a side of leak test pipe birdsmouth periphery; Corresponding first round section joint ring that arranges between the first round section joint ring draw-in groove and plug screw installation cavity, corresponding second round section joint ring that arranges between the second round section joint ring draw-in groove and seal pad.
Hydraulic pressure groove is set to L shaped or circular arc.
Leak test pipe birdsmouth cross section is set to cydariform or even number polygon.
The beneficial effects of the utility model are: simple in structure, and handling ease, easy to use, installing/dismounting is quick; Make detected pipeline pressure in withstand voltage test reach 20MPa, guarantee the detection reliable in quality of pipeline pressure test leak test; Wear-resisting durable, be easy to change, increase the service life; Reduce maintenance maintenance time and cost, save production cost.
The utility model leak test pipe birdsmouth is installed and is detected with the tested corresponding fit of base tube, medium enters leak test pipe birdsmouth through hydraulic pressure groove, pipe is carried out to the withstand voltage test of 0-20MPa, sealing block applies acting force to O shape circle under pressure-acting outside, O shape circle is passed to hollow plug screw by power, the leak test pipe clamp groove of hollow plug screw compresses detected base tube, reaches sealing effectiveness; Hollow plug screw good pressure-resistant performance can be used for a long time in withstand voltage test, is difficult for crushing.Once wearing and tearing, detachably change, convenient quick again.Low cost of manufacture, result of use is good, easy to utilize.Have good economic benefit, market outlook are wide.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail:
Fig. 1 is general assembly structural representation of the present utility model;
Fig. 2 is the side-looking structural representation at A-A place in Fig. 1;
In Fig. 1,2: sealing block 1, hydraulic pressure groove 2, screw half hole 3, plug screw installation cavity 4, the first round section joint ring 5, the first round section joint ring draw-in grooves 6, hollow plug screw 7, the second round section joint ring draw-in groove 8, leak test pipe birdsmouth 9, the second round section joint rings 10, seal pad 11, screwing through hole 12, leak test pipe birdsmouth through hole 13, gib screw 14.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
As shown in the figure, sealing block 1 one sides arrange seal pad 11, corresponding between seal pad 11 and sealing block 1 hollow plug screw 7 are set.
Sealing block 1 middle part arranges " L " type hydraulic pressure groove 2, and one end of hydraulic pressure groove 2 is arranged at operating surface middle part, between the other end and seal pad 11, plug screw installation cavity 4 is set, and the interior correspondence of plug screw installation cavity 4 arranges the hollow plug screw 7 of truncated cone-shaped; Plug screw installation cavity 4 peripheries are centered by the axial line of hollow plug screw 7, and uniform at least one pair of screw half hole 3 that arranges is in sealing block 1 one sides; On seal pad 11, corresponding screw half hole 3 arranges screwing through hole 12, screwing through hole 12 and the screw half interior corresponding gib screw 14 that arranges in hole 3.
Hollow plug screw 7 one end coaxial inner conductors arrange leak test pipe birdsmouth 9, and seal pad 11 middle parts corresponding leak test pipe birdsmouth 9 arranges leak test pipe birdsmouth through hole 13, the interior leak test pipe birdsmouth 9 that arranges of leak test pipe birdsmouth through hole 13; Hollow plug screw 7 two ends coaxial inner conductors arrange respectively the side that the first round section joint ring draw-in groove 6 and the second round section joint ring draw-in groove 8, the second round section joint ring draw-in grooves 8 are arranged at leak test pipe birdsmouth 9 peripheries; Corresponding between the first round section joint ring draw-in groove 6 and plug screw installation cavity 4 corresponding second round section joint ring 10 that arranges between the first round section joint ring 5, the second round section joint ring draw-in grooves 8 and seal pad 11 is set.
Hydraulic pressure groove 2 is set to L shaped or circular arc.
Leak test pipe birdsmouth 9 cross sections are set to cydariform or even number polygon.
Claims (5)
1. an air cooler fin pipe base tube pressure testing sealing device for leakage check, by sealing block (1), hydraulic pressure groove (2), screw half hole (3), plug screw installation cavity (4), the first round section joint ring (5), the first round section joint ring draw-in groove (6), hollow plug screw (7), the second round section joint ring draw-in groove (8), leak test pipe birdsmouth (9), the second round section joint ring (10), seal pad (11), screwing through hole (12), leak test pipe birdsmouth through hole (13), gib screw (14) forms; Sealing block (1) one side arranges seal pad (11), the corresponding hollow plug screw (7) that arranges between seal pad (11) and sealing block (1).
2. a kind of air cooler fin pipe base tube pressure testing sealing device for leakage check according to claim 1, it is characterized in that: sealing block (1) middle part arranges " L " type hydraulic pressure groove (2), one end of hydraulic pressure groove (2) is arranged at operating surface middle part, plug screw installation cavity (4) is set between the other end and seal pad (11), and the interior correspondence of plug screw installation cavity (4) arranges the hollow plug screw (7) of truncated cone-shaped; Plug screw installation cavity (4) periphery is centered by the axial line of hollow plug screw (7), and uniform at least one pair of screw half hole (3) that arranges is in sealing block (1) one side; Upper corresponding screw half hole (3) of seal pad (11) arranges screwing through hole (12), screwing through hole (12) and the corresponding gib screw (14) that arranges in screw half hole (3).
3. a kind of air cooler fin pipe base tube pressure testing sealing device for leakage check according to claim 2, it is characterized in that: hollow plug screw (7) one end coaxial inner conductor arranges leak test pipe birdsmouth (9), seal pad (11) the corresponding leak test pipe birdsmouth in middle part (9) arranges leak test pipe birdsmouth through hole (13), and leak test pipe birdsmouth (9) is set in leak test pipe birdsmouth through hole (13); Hollow plug screw (7) two ends coaxial inner conductor arranges respectively the first round section joint ring draw-in groove (6) and the second round section joint ring draw-in groove (8), and the second round section joint ring draw-in groove (8) is arranged at a side of leak test pipe birdsmouth (9) periphery; Corresponding the first round section joint ring (5) that arranges between the first round section joint ring draw-in groove (6) and plug screw installation cavity (4), corresponding the second round section joint ring (10) that arranges between the second round section joint ring draw-in groove (8) and seal pad (11).
4. a kind of air cooler fin pipe base tube pressure testing sealing device for leakage check according to claim 2, is characterized in that: hydraulic pressure groove (2) is set to L shaped or circular arc.
5. a kind of air cooler fin pipe base tube pressure testing sealing device for leakage check according to claim 3, is characterized in that: leak test pipe birdsmouth (9) cross section is set to cydariform or even number polygon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442843.2U CN203981355U (en) | 2014-08-01 | 2014-08-01 | A kind of air cooler fin pipe base tube pressure testing sealing device for leakage check |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420442843.2U CN203981355U (en) | 2014-08-01 | 2014-08-01 | A kind of air cooler fin pipe base tube pressure testing sealing device for leakage check |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203981355U true CN203981355U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420442843.2U Active CN203981355U (en) | 2014-08-01 | 2014-08-01 | A kind of air cooler fin pipe base tube pressure testing sealing device for leakage check |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203981355U (en) |
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2014
- 2014-08-01 CN CN201420442843.2U patent/CN203981355U/en active Active
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 471000 Luoyang airport industrial cluster area, Luoyang, Henan Patentee after: Longhua Technology Group (Luoyang) Limited by Share Ltd Address before: 471000 Henan Luoyang Airport Industrial Agglomeration Area Patentee before: Luoyang Longhua Heat Transfer & Energy Conservation Co., Ltd. |