CN204556246U - Pressure testing mold and pressure testing device - Google Patents
Pressure testing mold and pressure testing device Download PDFInfo
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- CN204556246U CN204556246U CN201520278987.3U CN201520278987U CN204556246U CN 204556246 U CN204556246 U CN 204556246U CN 201520278987 U CN201520278987 U CN 201520278987U CN 204556246 U CN204556246 U CN 204556246U
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- socket weld
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Abstract
The utility model pressure testing mold and pressure testing device relate to a kind of the pressure testing mold and the pressure testing device that socket weld valve are carried out to pressure testing.The utility model pressure testing mold comprises two end part seal molds, at least one intermediate seal mold of being oppositely arranged, during use, between every two socket weld valves of pressure testing, an intermediate seal mold will be installed, mounting end sealing mold again, carry out pressure testing to socket weld valve, the utility model makes pressure testing fast simple and easy; The utility model pressure testing device comprises the parts such as pressure testing mold, tensimeter, and structure is simple, not by the restriction of construction site, also can meet requirement socket weld valve being carried out to pressure testing under simple condition.
Description
Technical field
The utility model relates to a kind of pressure testing mold, particularly relates to a kind of pressure testing mold of socket weld valve; The utility model also relates to a kind of pressure testing device, particularly relates to a kind of pressure testing device of socket weld valve.
Background technology
There is a large amount of socket weld valves in chemical project device, for ensureing valve mass, scene all needs to carry out pressure testing inspection to valve, the intensity of inspection valve and tightness.
Traditional method carries out pressure testing inspection by special value pressure test platform or the mode that directly utilizes rubber blanket two ends to seal is tested.
All there is shortcoming in above two kinds of methods: takes special pressure testing table can be subject to the restriction of construction site condition, and usually, scene cannot satisfy condition, and cannot use special pressure testing table; Two ends directly adopt the mode of rubber seal, and because the not good pressure testing setting ratio of sealing effectiveness is not high, pressure testing is slower.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of structure is simple, sealing effectiveness is better, accelerates pressure testing progress, the pressure testing mold that also can use under limited or simple condition at the construction field (site) and pressure testing device.
The utility model pressure testing mold, comprise two the end part seal molds be oppositely arranged, at least one intermediate seal mold, described end part seal mold comprises loading plate and the first boss with loading plate one, described first boss can insert the link of socket weld valve, described first outer wall of boss can seal with the link contact internal walls of socket weld valve, described end part seal mold is provided with the first through hole, one end of described first through hole is arranged on the end face of the first boss, the other end of described first through hole is arranged on the end face of loading plate, described intermediate seal mold comprise back up pad and with back up pad one, lay respectively at two the second boss of back up pad both sides, two the second boss can insert the link of socket weld valve respectively, the outer wall of each second boss all can seal with the link contact internal walls of socket weld valve, described intermediate seal mold arranges the second through hole, one end of described second through hole is arranged on the end face of one of them the second boss, the other end of described second through hole is arranged on the end face of another the second boss.
The utility model pressure testing mold, is provided with gasket seal between wherein said first boss and the link of socket weld valve, is provided with gasket seal between described second boss and the link of socket weld valve.
The utility model pressure testing mold, wherein said end part seal mold, described intermediate seal mold are all formed in one formation.
The utility model pressure testing mold, the material of wherein said end part seal mold and intermediate seal mold all adopts steel plate.
The utility model pressure testing mold, wherein said loading plate, back up pad are circular, and described first boss, the second boss are round boss.
The utility model pressure testing mold difference from prior art is that the utility model pressure testing mold comprises end part seal mold and intermediate seal mold, and structure is simple; During use, the link contact internal walls of the first outer wall of boss and socket weld valve seals, the outer wall of the second boss also seals with the link contact internal walls of socket weld valve, also gasket seal can be set between the first boss and socket weld valve connection end, between the second boss and socket weld valve connection end, arrange gasket seal, sealing effectiveness is better; Existence of the present utility model can carry out pressure testing to the valve of multiple same size simultaneously, as long as select the intermediate seal mold of suitable quantity, accelerates pressure testing progress.
The utility model pressure testing device, it comprises aforementioned pressure testing mold, also comprise hold down gag, the first tensimeter and the second tensimeter, described hold down gag is pressed on one of them end part seal mold, described first tensimeter is connected into the first through hole of one of them end part seal mold by the first gauge manifold, first gauge manifold is provided with stop valve, described second tensimeter is connected into the first through hole of another end part seal mold by the second gauge manifold, is provided with stop valve between the second tensimeter and water inlet pressurization point.
The utility model pressure testing device, wherein said hold down gag is lifting jack.
The utility model pressure testing device difference from prior art is that the utility model pressure testing device comprises the parts such as pressure testing mold, hold down gag, the first tensimeter and the second tensimeter, and structure is simple; During use, this device and socket weld valve is only needed to install, then entirety is fixed, again intensity and leak test are carried out to socket weld valve, fast simple and easy, condition by completing pressure testing in limited time, the intermediate seal mold of suitable quantity can be selected at the construction field (site), pressure testing can be carried out to multiple socket weld valve simultaneously, pressure testing progress can be accelerated.
Below in conjunction with accompanying drawing, pressure testing mold of the present utility model and pressure-measuring method are described further.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model pressure testing mold medial end portions sealing mold;
Fig. 2 is the vertical view of the utility model pressure testing mold medial end portions sealing mold;
Fig. 3 is the structural representation of the intermediate seal mold in the utility model pressure testing mold;
Fig. 4 is the vertical view of the intermediate seal mold in the utility model pressure testing mold;
Fig. 5 is the using state figure of the utility model pressure testing mold;
Fig. 6 is the structural representation of the utility model pressure testing device.
Embodiment
Shown in composition graphs 1 and Fig. 2, the utility model pressure testing mold comprises two the end part seal molds 7 be oppositely arranged, end part seal mold 7 comprises the first boss 72 of circular loading plate 71 and the circle with loading plate 71 one, first boss 72 can insert the link of socket weld valve, first boss 72 outer wall can seal with the link contact internal walls of socket weld valve, end part seal mold 7 is provided with the first through hole 73, one end of first through hole 73 is arranged on the end face of the first boss 72, and the other end of the first through hole 73 is arranged on the end face of loading plate 71.
Shown in composition graphs 3 and Fig. 4, the utility model also comprises at least one intermediate seal mold 8, intermediate seal mold 8 comprise circular back up pad 81 and with back up pad 81 one, lay respectively at the second boss 82 that two of back up pad 81 both sides are circular, two the second boss 82 can insert the link of socket weld valve respectively, the outer wall of each second boss 82 all can seal with the link contact internal walls of socket weld valve, intermediate seal mold 8 is arranged the second through hole 83, one end of second through hole 83 is arranged on the end face of one of them the second boss 82, the other end of the second through hole 83 is arranged on the end face of another the second boss 82.Second through hole 83 is coaxial with the first through hole 73.
End part seal mold 7, intermediate seal mold 8 are all formed in one formation.
As shown in Figure 5, when using the utility model to carry out pressure testing, first boss 72 is inserted socket weld valve and contacts with socket weld valve and seals, second boss 82 also inserts socket weld valve and contacts with socket weld valve and seals, and between socket weld valve and the first boss 72, gasket seal 11 is installed, between socket weld valve and the second boss 82, gasket seal 11 is also installed, to seal better, is communicated with between the first through hole 73 with the second through hole 83.
When carrying out pressure testing to socket weld valve, the quantity of intermediate seal mold can be selected according to the quantity of socket weld valve.
As shown in Figure 6, the utility model pressure testing device comprises pressure testing mold, namely two end part seal molds 7 and intermediate seal mold 8 is comprised, also comprise hold down gag 9, first tensimeter 5 and the second tensimeter 10, hold down gag 9 is pressed on one of them end part seal mold 7, hold down gag 9 is for compressing pressure testing mold, ensure the sealing between pressure testing mold and socket weld valve, first tensimeter 5 is connected into the first through hole 73 of one of them end part seal mold 7 by the first gauge manifold, first gauge manifold is provided with stop valve 12, second tensimeter 10 is connected into the first through hole 73 of another end part seal mold 7 by the second gauge manifold, stop valve 13 is provided with between second tensimeter 10 and water inlet pressurization point.
Be provided with steel pipe between hold down gag 9 and one of them end part seal mold 7, the first gauge manifold connects the first through hole 73 as wherein that mold 7 of this end part seal through steel pipe 3, and then is communicated with socket weld valve.
In figure 6, first boss 72 of one of them end part seal mold 7 inserts in socket weld valve 4 ', first boss 72 of another end part seal mold 7 inserts in socket weld valve 6 ', gasket seal 11 is provided with between first boss 72 and the link of socket weld valve 4 ', be provided with gasket seal 11 between first boss 72 and the link of socket weld valve 6 ', two the second boss 82 of intermediate seal mold 8 respectively and the link of socket weld valve 4 ', socket weld valve 6 ' link between be provided with gasket seal 11.
Hold down gag adopts lifting jack.
During use, this pressure testing device is fixed on portal frame 1 ' upper fixing, then carries out pressure testing, portal frame adopts shaped steel to make.
When making a strength test to socket weld valve 4 ' and socket weld valve 6 ', first tensimeter 5 is in the state of unscrewing, added by test pump and press water, water enters pipeline from water inlet pressurization point, flow in pressure testing device and two socket weld valves, stop valve 12 is closed when the first tensimeter 5 has water to emerge, gas in pressure testing device and two socket weld valves is discharged, tighten the first tensimeter 5, open stop valve 12 again, then pressurizeed by test pump, until stop pressurization when arriving the valve Strength test pressure of two socket weld valves, close stop valve 13, observe the first tensimeter 5 and the second tensimeter 10, voltage stabilizing checks.
When checking the tightness of socket weld valve 4 ', closing socket weld valve 4 ', then being pressurizeed by test pump until stop pressurization when reaching the Tightness test pressure of socket weld valve 4 ', closing stop valve 13, observe the second tensimeter 10, voltage stabilizing inspection.
When checking the tightness of socket weld valve 6 ', close socket weld valve 6 ', then pressurization is until stop pressurization when reaching the Tightness test pressure of socket weld valve 6, closes stop valve 13, observes the second tensimeter 10, voltage stabilizing inspection.
Above-described embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (7)
1. a pressure testing mold, it is characterized in that: comprise two the end part seal molds (7) be oppositely arranged, at least one intermediate seal mold (8), described end part seal mold (7) comprises loading plate (71) and the first boss (72) with loading plate (71) one, described first boss (72) can insert the link of socket weld valve, described first boss (72) outer wall can seal with the link contact internal walls of socket weld valve, described end part seal mold (7) is provided with the first through hole (73), one end of described first through hole (73) is arranged on the end face of the first boss (72), the other end of described first through hole (73) is arranged on the end face of loading plate (71),
Described intermediate seal mold (8) comprise back up pad (81) and with back up pad (81) integrally, lay respectively at two the second boss (82) of back up pad (81) both sides, two the second boss (82) can insert the link of socket weld valve respectively, the outer wall of each second boss (82) all can seal with the link contact internal walls of socket weld valve, described intermediate seal mold (8) arranges the second through hole (83), one end of described second through hole (83) is arranged on the end face of one of them the second boss (82), the other end of described second through hole (83) is arranged on the end face of another the second boss (82).
2. pressure testing mold according to claim 1, it is characterized in that: between described first boss (72) and the link of socket weld valve, be provided with gasket seal (11), between described second boss (82) and the link of socket weld valve, be provided with gasket seal (11).
3. pressure testing mold according to claim 2, is characterized in that: described end part seal mold (7), described intermediate seal mold (8) are all formed in one formation.
4. pressure testing mold according to claim 3, is characterized in that: the material of described end part seal mold (7) and intermediate seal mold (8) all adopts steel plate.
5. pressure testing mold according to claim 4, is characterized in that: described loading plate (71), back up pad (81) are for circular, and described first boss (72), the second boss (82) are round boss.
6. a pressure testing device, it is characterized in that using the pressure testing mold according to any one of claim 1-5 to make, also comprise hold down gag (9), first tensimeter (5) and the second tensimeter (10), described hold down gag (9) is pressed on one of them end part seal mold (7), described first tensimeter (5) is connected into first through hole (73) of one of them end part seal mold (7) by the first gauge manifold, described second tensimeter (10) is connected into first through hole (73) of another end part seal mold (7) by the second gauge manifold.
7. pressure testing device according to claim 6, is characterized in that: described hold down gag is lifting jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278987.3U CN204556246U (en) | 2015-04-30 | 2015-04-30 | Pressure testing mold and pressure testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520278987.3U CN204556246U (en) | 2015-04-30 | 2015-04-30 | Pressure testing mold and pressure testing device |
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| CN204556246U true CN204556246U (en) | 2015-08-12 |
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| CN201520278987.3U Active CN204556246U (en) | 2015-04-30 | 2015-04-30 | Pressure testing mold and pressure testing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833499A (en) * | 2015-04-30 | 2015-08-12 | 中国化学工程第三建设有限公司 | Pressure test moulds, pressure test apparatus and pressure test method |
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2015
- 2015-04-30 CN CN201520278987.3U patent/CN204556246U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104833499A (en) * | 2015-04-30 | 2015-08-12 | 中国化学工程第三建设有限公司 | Pressure test moulds, pressure test apparatus and pressure test method |
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