CN208313734U - A kind of high pressure overpressure resistance detecting device - Google Patents
A kind of high pressure overpressure resistance detecting device Download PDFInfo
- Publication number
- CN208313734U CN208313734U CN201820311639.5U CN201820311639U CN208313734U CN 208313734 U CN208313734 U CN 208313734U CN 201820311639 U CN201820311639 U CN 201820311639U CN 208313734 U CN208313734 U CN 208313734U
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- impact
- sliding bar
- high pressure
- test
- detecting device
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Abstract
The utility model relates to a kind of high pressure overpressure resistance detecting devices, impact type plugging tool including being separately mounted to test tubing two sides nozzle, the both ends of the impact type plugging tool are divided into impact portion and shock portion, the impact portion is inserted into test tubing, and its front end is taper, the threads of the impact portion connect shock portion, the shock portion includes sliding bar, the sliding bar is equipped with the impact hammer slided along sliding bar level, the both ends of the sliding bar are fixed with the fastener of limitation impact hammer moving range, any one of impact type plugging tool is equipped with water inlet connecting pipe, the water connecting pipe is connect by pressure testing pipe with electric pressure test pump, the utility model can test whether tubing complies with standard by impact type plugging tool and electric pressure test pump, it is contemplated that property excludes hidden trouble of equipment in advance.
Description
Technical field
The utility model relates to high-voltage detecting devices, and in particular to a kind of high pressure overpressure resistance detecting device.
Background technique
Since the nineties, as domestic economy develops rapidly, in the buildings such as office building, market, hotel, factory
Central air-conditioning largely uses, and so far already close to even more than 20 years, the proximity device service life limit is most of to manage for operation
Shell heat exchanger heat-transfer pipe due to service life for a long time, unavoidably by electrochemistry, wash away, chemical cleaning corrosion and mechanical damage
Wound, tube wall is thinning, and perforation leakage occurs in tube bank, leads to air-conditioning equipment coolant leakage, it is dirty that compressor, refrigerant are burnt in system water inlet
Dye be lost cause hundreds of thousands it is up to a million etc. heavy losses.Since device context heat exchanger structure is complicated, pure red copper, alloyed copper,
The doping of the various materials such as stainless steel, carbon steel, internal erosion, dirt deposition situation is different, and conventional eddy current inspection equipment can not
Equipment deficiency accurately is checked out, unpredictable property excludes hidden trouble of equipment in advance.
Utility model content
The purpose of the utility model is to provide a kind of high pressure overpressure resistance detecting devices.
The purpose of this utility model is to be achieved through the following technical solutions: including being separately mounted to test tubing two sides pipe
The impact type plugging tool of mouth, the both ends of the impact type plugging tool are divided into impact portion and shock portion, the impact portion insertion
Into test tubing, and its front end is taper, and the threads of the impact portion connect shock portion, and the shock portion includes sliding
Bar, the sliding bar are equipped with the impact hammer slided along sliding bar level, and the both ends of the sliding bar are fixed with limitation and hit
The fastener of hammer moving range, any one of impact type plugging tool are equipped with water inlet connecting pipe, the water connecting tube
Part is connect by pressure testing pipe with electric pressure test pump.
In preferred embodiments, it is equipped at the center of the impact hammer for the perforative hole of sliding bar, the impact hammer
It is slidably connected between sliding bar.
In preferred embodiments, the water inlet of the water inlet pipe is arranged in the middle part of impact portion, on the water inlet
Interface equipped with connection pressure testing pipe, the water outlet of the water inlet pipe are arranged at the center of the front end of impact portion.
In preferred embodiments, the junction of the impact type plugging tool and test tubing is equipped with connecting sleeve,
The caliber of the both ends open of the connecting sleeve is different, and one end of the wide caliber of connecting sleeve is connect with test tubing, described
One end impact type plugging tool of connecting sleeve narrow pipe diameter connects.
In preferred embodiments, the screw thread through connecting sleeve is equipped at the edges at two ends of the connecting sleeve
Hole, the threaded hole internal screw thread are connected with fastening bolt.
In preferred embodiments, the tail end of the impact portion is equipped with internal thread groove, and the one end in the shock portion is equipped with
External threaded corresponding with internal thread groove, the impact portion are threadedly coupled with shock portion.
The utility model has the following beneficial effects: the utility model can be surveyed by impact type plugging tool and electric pressure test pump
Whether test tube material complies with standard, it is anticipated that property excludes hidden trouble of equipment in advance.
Detailed description of the invention
The utility model is described in further detail below according to attached drawing.
Fig. 1 is the external structure of high pressure overpressure resistance detecting device described in the utility model embodiment；
Fig. 2 is the external structure of impact type plugging tool described in the utility model embodiment；
Fig. 3 is the sectional view of connecting sleeve described in the utility model embodiment；
Fig. 4 is the sectional view of connecting sleeve described in the utility model embodiment；
In figure:
1, impact type plugging tool；2, tubing is tested；3, pressure testing pipe；4, electric pressure test pump；5, water inlet connecting pipe；6, it connects
Mouthful；7, impact portion；8, shock portion；9, impact hammer；10, sliding bar；11, fastener；12, external threaded；13, internal thread groove；14,
Connecting sleeve；15, threaded hole；16, fastening bolt.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.Therefore, below to attached
The detailed description of the embodiments of the present invention provided in figure is not intended to limit the range of claimed invention,
But it is merely representative of the selected embodiment of the utility model.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein phase from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached drawing
The embodiment of description is exemplary, it is intended to for explaining the utility model, and should not be understood as limiting the present invention.
The utility model is further described with specific embodiment below with reference to accompanying drawings.
As shown in Figs. 1-2, a kind of high pressure overpressure resistance detecting device of the utility model embodiment, including be separately mounted to test
Two impact type plugging tools 1 of 2 two sides nozzle of tubing, the both ends of impact type plugging tool 1 are divided into impact portion 7 and shock portion 8,
Impact portion 7 is inserted into test tubing 2, and its front end is taper, is conveniently inserted into test tubing 2, because taper has centainly
Angle, it is possible to be applicable in the different test tubing 2 of multiple diameter, the threads of impact portion 7 connect shock portion 8, impact
The tail end in portion 7 is equipped with internal thread groove 13, and the one end in shock portion 8 is equipped with external threaded 12 corresponding with internal thread groove 13, hits
Hitting portion 8 includes sliding bar 10, and sliding bar 10 is equipped with the impact hammer 9 along the horizontal sliding of sliding bar 10, sets at the center of impact hammer 9
Have for the perforative hole (not shown) of sliding bar 10, is slidably connected between impact hammer 9 and sliding bar 10, the both ends of sliding bar 10
It is fixed with the fastener 11 of limitation 9 moving range of impact hammer, guarantees that impact hammer 9 will not skid off sliding bar 10, any one punching
It hits formula plugging tool 1 and is equipped with water inlet connecting pipe 5, the middle part of impact portion 7, institute is arranged in the water inlet of water inlet connecting pipe 5
The interface 6 that water inlet is equipped with connection pressure testing pipe 3 is stated, the water outlet of water inlet connecting pipe 5 is arranged in the front end of impact portion 7
At the heart, water inlet connecting pipe 5 is connect by pressure testing pipe 3 with electric pressure test pump 4, and electric pressure test pump 4 is equipped with pressure gauge, electronic examination
For press pump 4 by the water filling in test tubing 2 of water inlet connecting pipe 5, the pressure inside test tubing 2 reaches scheduled pressure value
When, adhere to 5 seconds, it is qualified not damage or test if pressure value does not decline tubing 2 if test tubing 2, on the contrary if do not conform to
Lattice.
As shown in Figure 3-4, the junction of impact type plugging tool 1 and test tubing 2 is equipped with connecting sleeve 14, connecting sleeve
The caliber of 14 both ends open is different, and one end of the wide caliber of connecting sleeve is connect with test tubing 2, and the connecting sleeve is narrow
One end impact type plugging tool 1 of caliber connects, and connecting sleeve 14 connects impact type plugging tool 1 and test tubing 2, connects
The threaded hole 15 through connecting sleeve 14 is equipped at the edges at two ends of casing 14,15 internal screw thread of threaded hole is connected with fastening bolt
16, fastening bolt 16 will test tubing 2 and impact type plugging tool 1 fastens, and prevents mobile and sideslip.
Copper pipe proof pressure calculation formula:
P=(2St)/(D-0.8t)； (1)
Pt=nP (2)
P in formula --- copper pipe maximum working pressure (MPa), Pt --- test pressure (MPa), t --- tube wall thickness,
D --- tube outer diameter, S --- material allowable stress provide that semihard is seamless, and copper water tube material allows according to GB/T 18033-2000
Stress 50Mpa, n are that pressure testing coefficient takes 1.0~1.5, by the way that the test pressure of different test tubing 2, test pressure is calculated
Predetermined value as in pressure gauge.
Finally, it should be noted that above-described each embodiment is merely to illustrate the technical solution of the utility model, rather than
It is limited；Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art
It is understood that it can still modify to technical solution documented by previous embodiment, or to part of or whole
Technical characteristic is equivalently replaced；And these modifications or substitutions, it does not separate the essence of the corresponding technical solution the utility model
The range of each embodiment technical solution.
Claims (6)
1. a kind of high pressure overpressure resistance detecting device, the high pressure overpressure resistance detecting device is used to carry out high pressure resistant detection to test tubing,
It is characterized by comprising the impact type plugging tool for being separately mounted to test tubing two sides nozzle, the impact type plugging tools
Both ends be divided into impact portion and shock portion, the impact portion is inserted into test tubing, and its front end is taper, the impact portion
Threads connect shock portion, the shock portion includes sliding bar, and the sliding bar is equipped with and slides along sliding bar level
Impact hammer, the both ends of the sliding bar are fixed with the fastener of limitation impact hammer moving range, any one of impact type
Plugging tool is equipped with water inlet connecting pipe, and the water connecting pipe is connect by pressure testing pipe with electric pressure test pump.
2. high pressure overpressure resistance detecting device according to claim 1, it is characterised in that: be equipped with and supply at the center of the impact hammer
The perforative hole of sliding bar, is slidably connected between the impact hammer and sliding bar.
3. high pressure overpressure resistance detecting device according to claim 1, it is characterised in that: the water inlet setting of the water inlet pipe exists
The middle part of impact portion, the water inlet are equipped with the interface of connection pressure testing pipe, and the water outlet of the water inlet pipe is arranged in impact portion
Front end center at.
4. high pressure overpressure resistance detecting device according to claim 1, it is characterised in that: the impact type plugging tool and test
The junction of tubing is equipped with connecting sleeve, and the caliber of the both ends open of the connecting sleeve is different, the wide caliber of connecting sleeve
One end connect with test tubing, one end impact type plugging tool of the connecting sleeve narrow pipe diameter connects.
5. high pressure overpressure resistance detecting device according to claim 4, it is characterised in that: at the edges at two ends of the connecting sleeve
It is equipped with the threaded hole through connecting sleeve, the threaded hole internal screw thread is connected with fastening bolt.
6. high pressure overpressure resistance detecting device according to claim 1, it is characterised in that: the tail end of the impact portion is equipped with interior spiral shell
One end of groove, the shock portion is equipped with external threaded corresponding with internal thread groove, the impact portion and shock portion screw thread
Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820311639.5U CN208313734U (en) | 2018-03-07 | 2018-03-07 | A kind of high pressure overpressure resistance detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820311639.5U CN208313734U (en) | 2018-03-07 | 2018-03-07 | A kind of high pressure overpressure resistance detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208313734U true CN208313734U (en) | 2019-01-01 |
Family
ID=64721192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820311639.5U Expired - Fee Related CN208313734U (en) | 2018-03-07 | 2018-03-07 | A kind of high pressure overpressure resistance detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208313734U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272361A (en) * | 2019-12-13 | 2020-06-12 | 重庆大学 | Single tube pressure test and leakage detection tool for tube type heat exchanger |
| CN114486526A (en) * | 2022-01-26 | 2022-05-13 | 唐山市市场监管综合执法局 | Measuring instrument for detecting pressure-bearing limit value of steel pipe and using method thereof |
-
2018
- 2018-03-07 CN CN201820311639.5U patent/CN208313734U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111272361A (en) * | 2019-12-13 | 2020-06-12 | 重庆大学 | Single tube pressure test and leakage detection tool for tube type heat exchanger |
| CN114486526A (en) * | 2022-01-26 | 2022-05-13 | 唐山市市场监管综合执法局 | Measuring instrument for detecting pressure-bearing limit value of steel pipe and using method thereof |
| CN114486526B (en) * | 2022-01-26 | 2023-08-25 | 唐山市市场监管综合执法局 | Measuring instrument for detecting bearing limit value of steel pipe and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190101 Termination date: 20200307 |