CN204855144U - A hydrostatic test system for valve body foundry goods - Google Patents

A hydrostatic test system for valve body foundry goods Download PDF

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Publication number
CN204855144U
CN204855144U CN201520359725.XU CN201520359725U CN204855144U CN 204855144 U CN204855144 U CN 204855144U CN 201520359725 U CN201520359725 U CN 201520359725U CN 204855144 U CN204855144 U CN 204855144U
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CN
China
Prior art keywords
valve
plugging plate
interface
packoff
valve port
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Withdrawn - After Issue
Application number
CN201520359725.XU
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Chinese (zh)
Inventor
陆小明
王永恩
李文定
曹鹏
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Kocel Steel Foundry Co Ltd
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Kocel Steel Foundry Co Ltd
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Priority to CN201520359725.XU priority Critical patent/CN204855144U/en
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Publication of CN204855144U publication Critical patent/CN204855144U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model relates to a hydrostatic test system of large -scale valve body foundry goods, wherein, a hydrostatic test system for valve body foundry goods, including the support that is used for supporting installation valve body foundry goods, each valve port of valve body foundry goods is connected through closure plate sealing device respectively, be equipped with inlet and liquid outlet on the closure plate sealing device, closure plate sealing device's inlet passes through high -voltage tube no. 1 and is connected with the high -pressure pump exit end, the exit end of high -pressure pump is connected with two three solenoid valve, two three solenoid valve include first interface, second interface and third interface, first interface is connected with the high -pressure pump exit end, and the second interface is connected with high -voltage tube no. 1, the entrance point of high -pressure pump passes through inlet tube and tank connection, two three solenoid valve's third interface passes through return water pipeline and tank connection, the liquid outlet passes through high -voltage tube no. 2 and tank connection, with be equipped with the ooff valve on the high -voltage tube that inlet and liquid outlet are connected respectively.

Description

A kind of hydraulic testing system for valve body moulding
Technical field
The utility model relates to the pressure sensing technologies of valve body moulding, particularly a kind of hydraulic testing system of large valve body foundry goods.
Background technology
Along with the development of equipment manufacturing technology, the performance requirement of client to large valve body foundry goods is more and more higher, and sealing and voltage endurance capability are very important two performance index of valve body moulding.For these two performances, existing pick-up unit is generally simpler and cruder, and equipment voltage endurance capability is low, complicated operation, and culvert system is imperfection also, and water resource waste is serious, and working site environment is poor, and suppress in process be easy to accidents caused.
Utility model content
The utility model is for the deficiency of the medium-and-large-sized valve body moulding sealing of prior art and voltage endurance capability test method, a kind of hydraulic testing system for valve body moulding is provided, so that realize the valve body moulding hydraulic testing of ad hoc structure, improve the safe reliability of pilot system, and save test water resource.
The purpose of this utility model realizes like this, a kind of hydraulic testing system for valve body moulding, comprise for supporting the support installing valve body moulding, each valve port of described valve body moulding connects respectively by closure plate packoff, described closure plate packoff is provided with inlet and liquid outlet, the inlet of described closure plate packoff is connected with high pressure pump outlet end by high-voltage tube one, the endpiece of described high-pressure pump is connected with two-bit triplet solenoid valve, described two-bit triplet solenoid valve comprises first interface, second interface and the 3rd interface, described first interface is connected with high pressure pump outlet end, second interface is connected with high-voltage tube one, the entrance point of described high-pressure pump is connected with reserve tank by water inlet pipe, 3rd interface of described two-bit triplet solenoid valve is connected with reserve tank by water return pipeline, described liquid outlet is connected with reserve tank by high-voltage tube two, the high-voltage tube be connected with described inlet and liquid outlet is respectively equipped with switch valve.
The hydraulic testing system of valve body moulding of the present utility model, the inlet of valve body moulding to be communicated with high-pressure pump by the interface one of two-bit triplet solenoid valve and interface two through switch valve and to realize water filling and pressurization function, the inlet of valve body moulding to be communicated with reserve tank by two-bit triplet solenoid valve interface two and interface three through switch valve can realize pressure release water return function, the communication direction of the unlatching and two-bit triplet solenoid valve that only need control high-pressure pump in process of the test just can realize the water filling in hydraulic testing process easily, pressurization, pressure release and water return function, operating process is simple, test water pressure can recycle through reserve tank, not only saving water resource, but also good experimental enviroment can be ensured.
For ease of realizing the sealing of upper valve port, described valve body moulding is three triple-valve body foundry goods and is respectively equipped with valve port, lower valve port and side valve mouth, interior step is equipped with in each valve port, described closure plate packoff comprises upper plugging plate packoff, lower plugging plate packoff and side stopboard packoff, described upper plugging plate packoff comprises the upper plugging plate of sealing on the downside of step in upper valve port, strain component is provided with between described upper plugging plate and upper valve port outer end, the sealing surface that described upper plugging plate coordinates with interior step is provided with seal groove and sealing strip, described liquid outlet is arranged on upper plugging plate, described upper plugging plate is also provided with pressure detection mouth, facing directly of being parallel to each other is cut in described upper plugging plate outer periphery both sides, and the sidewall in described upper valve port diameter direction has cut fluting respectively, and described groove width is greater than the thickness of upper plugging plate, and the distances of two fluting opposite flanks are greater than the distance faced directly upper plugging plate periphery two.Upper plugging plate packoff of the present utility model, the sealing of valve port can be realized easily, for ease of upper plugging plate being loaded smoothly in upper valve port, by upper valve port sidewall fluting, and an arch portion is excised in upper plugging plate periphery, to reduce upper plugging plate smallest radial size, along this smallest radial size, upper plugging plate can be loaded in valve body moulding smoothly from fluting during installation, then the radial minimum dimension of upper plugging plate is staggered upper plugging plate flat turning 90 degrees in valve body moulding with fluting direction, neither the sealing of the upper valve port of impact, is also convenient to upper plugging plate and installs.Upper plugging plate packoff of the present utility model is particularly suitable in the valve port sealing structure of the maximum caliber in the valve port of different bore.
Being fixedly connected with for ease of upper plugging plate, described strain component is along upper plugging plate and the upper valve port circumference uniform right angle arm-tie of more than three and the bolt for straining right angle arm-tie.
For ease of being tightly connected of lower valve port and lower plugging plate, described lower plugging plate packoff comprises the lower plugging plate sealing and be resisted against in lower valve port on the upside of step, between described lower plugging plate and the interior step surface of lower valve port, seal groove and sealing strip are also set, described lower valve port lower surface is provided with arm-tie, be strained and fixed by bolt between described arm-tie and lower plugging plate, described inlet is arranged on lower plugging plate.Lower plugging plate packoff of the present utility model, when applicable valve body moulding has bore different, seal in the closure plate packoff of less valve port, when closure plate is installed, closure plate can be put into valve pocket from the valve port of other larger caliber and aim at the valve port step surface adjusting to correspondence again and be fixed tension.In like manner, the side stopboard closely packed of valve body moulding of the present utility model puts the structure that also can adopt similar lower plugging plate packoff.
Adopt above-mentioned hydraulic testing system of the present invention to carry out the method for the hydraulic testing, comprise following process
1) system is installed: valve body moulding is steadily rack-mount, each valve port closure plate packoff is tightly connected, high-voltage tube one is connected again by after inlet end connecting valve valve, high-voltage tube one is connected with the interface two of two-bit triplet solenoid valve, the interface one of described two-bit triplet solenoid valve is connected with high pressure delivery side of pump, the interface three of described two-bit triplet solenoid valve is connected with reserve tank by water return pipeline, the liquid outlet of described closure plate packoff is connected reserve tank through another switch valve with high-voltage tube two, the entrance point of high-pressure pump is connected with reserve tank by water inlet pipe, described pressure detection mouth Bonding pressure table,
2) first in reserve tank, enough water is injected, open high-pressure pump, the switch valve be connected with inlet and liquid outlet is all opened, the interface one of two-bit triplet solenoid valve is communicated with interface two, water under high pressure is squeezed in foundry goods valve body, when liquid outlet end there are flowing out, show that in foundry goods valve body, water fills, now close two switch valves and high-pressure pump, after checking the connecting portion No leakage of three valve ports and respective closure plate packoff, open the switch valve that is connected with inlet again and open high-pressure pump, the pressure in foundry goods valve body is made slowly to increase, observe switch valve and the high-pressure pump of after manometric force value reaches settings, closing inlet end, and the time of pressurize setting, ne-leakage or without after pressure release, by the interface two of two-bit triplet solenoid valve and interface tee joint, open the switch valve be connected with inlet again, by the water in foundry goods valve body through high-voltage tube one, two-bit triplet solenoid valve and water return pipeline put back to reserve tank, complete the hydraulic testing of a foundry goods valve body.
Adopt in the hydraulic test method of valve body moulding of the present utility model, the communication direction of the unlatching and two-bit triplet solenoid valve that only need control high-pressure pump after pilot system connects just can realize the water filling in hydraulic testing process easily, pressurization, pressure release and water return function, operating process is simple, test water pressure can recycle through reserve tank, not only saving water resource, but also good experimental enviroment can be ensured.
As the preferred version of test method of the present utility model, described step 2) in the force value of pressurize be 20MPa, the dwell time is 30min.
For residuary water in foundry goods after preventing the hydraulic testing and get rusty or corrode, described step 2) in be added with rust preventive in water in reserve tank, the mass ratio that described rust preventive adds is 1%.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the hydraulic testing system for valve body moulding of the present utility model.
Fig. 2 is the structural representation of upper plugging plate packoff.
Fig. 3 is the vertical view of Fig. 2.
Fig. 4 is the structural representation of lower plugging plate packoff.
Fig. 5 is the structural representation of side stopboard packoff.
Wherein, 1 valve body moulding; 1A slots; 2 switch valves one; 3 upper plugging plate packoffs; 301 upper plugging plates; 302 right angle arm-ties; 303 tightening screws; 304 lifting screws; 305 seal grooves; 306 sealing strips; 4 side stopboard packoffs; 401 side stopboards; 5 high-voltage tubes two; 6 reserve tanks; 7 water inlet pipes; 8 return pipes; 9 two-bit triplet solenoid valves; 10 high-pressure pumps; 11 high-voltage tubes one; 12 supports; 13 switch valves two; 14 lower plugging plate packoffs; 14A lower plugging plate; 14B arm-tie; 14C bolt; 15 inlets; 16 liquid outlets; 17 pressure detection mouths.
Embodiment
Be the hydraulic testing system for valve body moulding of the present utility model as shown in Figures 1 to 5, comprise for supporting the support 12 installing valve body moulding 1, each valve port of valve body moulding 1 connects respectively by closure plate packoff, closure plate packoff is provided with inlet 15 and liquid outlet 16, the inlet 15 of closure plate packoff is connected with high-pressure pump 10 endpiece by high-voltage tube 1, the endpiece of high-pressure pump 10 is connected with two-bit triplet solenoid valve 9, two-bit triplet solenoid valve 9 comprises first interface, second interface and the 3rd interface, first interface is connected with high-pressure pump 10 endpiece, second interface is connected with high-voltage tube 1, the entrance point of high-pressure pump 10 is connected with reserve tank 6 by water inlet pipe 7, 3rd interface of two-bit triplet solenoid valve 9 is connected with reserve tank 6 by return pipe 8, liquid outlet 16 is connected with reserve tank 6 by high-voltage tube 25, the high-voltage tube be connected with described inlet 15 and liquid outlet 16 is respectively equipped with switch valve 1 and switch valve 2 13.
For ease of realizing the sealing of upper valve port, valve body moulding 1 is three triple-valve body foundry goods and is respectively equipped with valve port, lower valve port and side valve mouth, interior step is equipped with in each valve port, closure plate packoff comprises upper plugging plate packoff 3, lower plugging plate packoff 14 and side stopboard packoff 4, upper plugging plate packoff 3 comprises the upper plugging plate 301 of sealing on the downside of step in upper valve port, strain component is provided with between upper plugging plate 301 and upper valve port outer end, this strain component is along upper plugging plate 301 and the upper valve port circumference uniform right angle arm-tie 302 of more than three and the tightening screw 303 for straining right angle arm-tie 302, the sealing surface that upper plugging plate 301 coordinates with interior step is provided with seal groove 305 and sealing strip 306, sealing groove 305 and sealing strip 306 vibrational power flow in upper plugging plate 301 with upper valve port step against upper surface on, liquid outlet 16 is arranged on upper plugging plate 301, and upper plugging plate 301 is also provided with pressure detection mouth 17, for ease of upper plugging plate 301 is loaded in upper valve port, facing directly of being parallel to each other is cut in upper plugging plate 301 outer periphery both sides, the sidewall in upper valve port diameter direction has cut fluting 1A respectively, fluting 1A width is greater than the thickness of upper plugging plate 301, and the distance of two fluting opposite flanks is greater than the distance faced directly upper plugging plate 301 periphery two.Upper plugging plate packoff of the present utility model, the sealing of valve port can be realized easily, for ease of upper plugging plate 301 being loaded smoothly in upper valve port, by upper valve port sidewall fluting, and an arch portion is excised in upper plugging plate periphery, to reduce upper plugging plate 301 smallest radial size, upper plugging plate 301 can be loaded in upper valve port from fluting smoothly along this smallest radial size during installation, then the radial minimum dimension of upper plugging plate 301 is staggered upper plugging plate 301 flat turning 90 degrees in valve body moulding with fluting 1A direction, the neither sealing of the upper valve port of impact, also be convenient to upper plugging plate 301 install.Upper plugging plate packoff of the present utility model is particularly suitable in the valve port sealing structure of the maximum caliber in the valve port of different bore.
For ease of lower valve port and be tightly connected, lower plugging plate packoff 14 comprises the lower plugging plate 14A sealing and be resisted against in lower valve port on the upside of step, between lower plugging plate 14A and the interior step surface of lower valve port, seal groove and sealing strip are also set, lower valve port lower surface is provided with arm-tie 14B, be strained and fixed by bolt 14C between arm-tie 14B and lower plugging plate 14A, inlet 15 is arranged on lower plugging plate 14A.Lower plugging plate packoff of the present utility model, when applicable valve body moulding has bore different, seal in the closure plate packoff of less valve port, when closure plate is installed, closure plate can be put into valve pocket from the valve port of other larger caliber and aim at the valve port step surface adjusting to correspondence again and be fixed tension.In like manner, the side stopboard closely packed of valve body moulding of the present utility model puts the structure that 4 also can adopt similar lower plugging plate packoff 3, as shown in Figure 5, comprises side stopboard 401, side stopboard 401 is provided with seal groove and sealing strip, and this side stopboard 401 is strained and fixed by an arm-tie and bolt and valve port.
The method adopting the hydraulic testing system of upper valve body foundry goods of the present utility model to carry out the hydraulic testing comprises following process:
1) system is installed: valve body moulding 1 be steadily arranged on support 12, each valve port closure plate packoff is tightly connected, high-voltage tube 1 is connected again by after inlet 15 connecting valve valve 2 13, high-voltage tube 1 is connected with the interface two of two-bit triplet solenoid valve 9, again the interface one of two-bit triplet solenoid valve 9 is connected with the outlet of high-pressure pump 10, the interface three of two-bit triplet solenoid valve 9 is connected with reserve tank 6 by water return pipeline 8, liquid outlet 16 is connected to reserve tank 6 through switch valve 1 and high-voltage tube 25, the entrance point of high-pressure pump 10 is connected with reserve tank 6 by water inlet pipe 7, finally by pressure detection mouth 17 Bonding pressure table,
2) first in reserve tank 6, inject enough water, and Xiang Shuizhong is added with rust preventive, the mass ratio that rust preventive adds is 1%, open high-pressure pump 10, the switch valve 1 be connected with inlet 15 and liquid outlet 16 and switch valve 2 13 are all opened, the interface one of two-bit triplet solenoid valve 9 is communicated with interface two, water under high pressure is squeezed in foundry goods valve body 1, when liquid outlet 16 end there are flowing out, show that in foundry goods valve body, water fills, now closing switch valve 1, switch valve 2 13 and high-pressure pump 10, after checking the connecting portion No leakage of three valve ports and respective closure plate packoff, open the switch valve 2 13 that is connected with inlet 15 again and open high-pressure pump 10, the pressure in foundry goods valve body 1 is made slowly to increase, observe switch valve 1 and the high-pressure pump 10 of after manometric force value reaches 20MPa, closing inlet end, and pressurize 30min, ne-leakage or without after pressure release, by the interface two of two-bit triplet solenoid valve 9 and interface tee joint, open the switch valve 1 be connected with inlet again, by the water in foundry goods valve body 1 through high-voltage tube 1, two-bit triplet solenoid valve 9 and return pipe 8 put back to reserve tank 6, complete the hydraulic testing of a foundry goods valve body.
Adopt in the hydraulic test method of valve body moulding of the present utility model, the communication direction of the unlatching and two-bit triplet solenoid valve 9 that only need control high-pressure pump 10 after pilot system connects just can realize the water filling in hydraulic testing process easily, pressurization, pressure release and water return function, operating process is simple, test water pressure can recycle through reserve tank, not only saving water resource, but also good experimental enviroment can be ensured.

Claims (4)

1. the hydraulic testing system for valve body moulding, comprise for supporting the support installing valve body moulding, it is characterized in that, each valve port of described valve body moulding connects respectively by closure plate packoff, described closure plate packoff is provided with inlet and liquid outlet, the inlet of described closure plate packoff is connected with high pressure pump outlet end by high-voltage tube one, the endpiece of described high-pressure pump is connected with two-bit triplet solenoid valve, described two-bit triplet solenoid valve comprises first interface, second interface and the 3rd interface, described first interface is connected with high pressure pump outlet end, second interface is connected with high-voltage tube one, the entrance point of described high-pressure pump is connected with reserve tank by water inlet pipe, 3rd interface of described two-bit triplet solenoid valve is connected with reserve tank by water return pipeline, described liquid outlet is connected with reserve tank by high-voltage tube two, the high-voltage tube be connected with described inlet and liquid outlet is respectively equipped with switch valve.
2. the hydraulic testing system for valve body moulding according to claim 1, it is characterized in that, described valve body moulding is three triple-valve body foundry goods and is respectively equipped with valve port, lower valve port and side valve mouth, interior step is equipped with in each valve port, described closure plate packoff comprises upper plugging plate packoff, lower plugging plate packoff and side stopboard packoff, described upper plugging plate packoff comprises the upper plugging plate of sealing on the downside of step in upper valve port, strain component is provided with between described upper plugging plate and upper valve port outer end, the sealing surface that described upper plugging plate coordinates with interior step is provided with seal groove and sealing strip, described liquid outlet is arranged on upper plugging plate, described upper plugging plate is also provided with pressure detection mouth, facing directly of being parallel to each other is cut in described upper plugging plate outer periphery both sides, and the sidewall in described upper valve port diameter direction has cut fluting respectively, and described groove width is greater than the thickness of upper plugging plate, and the distances of two fluting opposite flanks are greater than the distance faced directly upper plugging plate periphery two.
3. the hydraulic testing system for valve body moulding according to claim 2, is characterized in that, described strain component is along upper plugging plate and the upper valve port circumference uniform right angle arm-tie of more than three and the bolt for straining right angle arm-tie.
4. the hydraulic testing system for valve body moulding according to claim 2, it is characterized in that, described lower plugging plate packoff comprises the lower plugging plate sealing and be resisted against in lower valve port on the upside of step, between described lower plugging plate and the interior step surface of lower valve port, seal groove and sealing strip are also set, described lower valve port lower surface is provided with arm-tie, be strained and fixed by bolt between described arm-tie and lower plugging plate, described inlet is arranged on lower plugging plate.
CN201520359725.XU 2015-05-29 2015-05-29 A hydrostatic test system for valve body foundry goods Withdrawn - After Issue CN204855144U (en)

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CN201520359725.XU CN204855144U (en) 2015-05-29 2015-05-29 A hydrostatic test system for valve body foundry goods

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Application Number Priority Date Filing Date Title
CN201520359725.XU CN204855144U (en) 2015-05-29 2015-05-29 A hydrostatic test system for valve body foundry goods

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CN204855144U true CN204855144U (en) 2015-12-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897384A (en) * 2015-05-29 2015-09-09 共享铸钢有限公司 Hydrostatic test system and hydrostatic test method for valve body casting

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104897384A (en) * 2015-05-29 2015-09-09 共享铸钢有限公司 Hydrostatic test system and hydrostatic test method for valve body casting
CN104897384B (en) * 2015-05-29 2017-12-22 共享铸钢有限公司 A kind of water pressure test system and hydraulic test method for valve body moulding

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GR01 Patent grant
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20151209

Effective date of abandoning: 20171222