CN202255793U - Butterfly valve sealing property tester - Google Patents
Butterfly valve sealing property tester Download PDFInfo
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- CN202255793U CN202255793U CN2011203362294U CN201120336229U CN202255793U CN 202255793 U CN202255793 U CN 202255793U CN 2011203362294 U CN2011203362294 U CN 2011203362294U CN 201120336229 U CN201120336229 U CN 201120336229U CN 202255793 U CN202255793 U CN 202255793U
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Abstract
The utility model relates to a butterfly valve sealing property tester comprising a machine stand provided with a base and an upper frame, wherein the base side is provided with a lower pressure test plate; a medium channel is arranged on the lower pressure test plate; and the butterfly valve sealing property tester is also provided with a control unit. The butterfly valve sealing property tester is characterized in that the medium channel is a gas channel and is provided with an upper pressure test plate; the upper pressure test plate and the lower pressure test plate are respectively provided with one or more upper gas channels and lower gas channels corresponding to one or more butterfly valves; inner ports of each upper gas channel and each lower gas channel are arranged on end surfaces where the upper pressure test plate and the lower pressure test plate are connected with cavities at two sides of the butterfly valves; through reversing valves connected by the upper gas channels and the lower gas channels, one or more upper gas channels are communicated with an air source or a detecting air pipe or are closed, or one or more lower gas channels are communicated with the air source or the detecting air pipe or are closed; the lower pressure test plate is arranged in a water tank of which the liquid level can be raised or lowered; and the detecting air pipe and the butterfly valves are immersed in the water tank. The butterfly valve sealing property tester has the advantages that the test of one or more butterfly valves is finished once, a two-way pressure test is finished through one-step clamping, and therefore, the clamping time is saved, the efficiency is increased, and the water resource is saved.
Description
Technical field
The utility model relates to a kind of butterfly valve performance test apparatus, relates in particular to a kind of butterfly valve seal performance aircraft.
Background technology
Butterfly valve is simple in structure because of it, volume is little, in light weight, conveniently opening and closing is laborsaving rapidly and have good fluid control characteristic is widely used in industrial circles such as oil, coal gas, chemical industry, water treatment.Butterfly valve mainly comprises valve body, valve seat, valve plate, valve shaft and driving head, generally is applied in the cylindrical channel, and during use, its disc valve plate is perpendicular to piping erection, and is central shaft back and forth rotation between 0 °～90 ° with the valve shaft, realizes the full cut-off standard-sized sheet.
The environment for use that is used for pressure pipeline in view of butterfly valve as opening and closing device; Its sealing property there is very strict requirement; Therefore reaching the last stage of dispatching from the factory in process of production all will do experiments of sealing performance; Must carry out two-way pressure testing to butterfly valve, promptly close valve plate the pressure that valve plate bilateral cavity adds regulation is at the appointed time carried out the pressure-resistant seal test respectively.Existing butterfly valve seal performance aircraft mainly comprises the board that is provided with base and is supported on the upper frame on the base; Be provided for the pressure testing plate of horizontal positioned butterfly valve in the base side; On upper frame, be connected the differential that is used to compress butterfly valve relatively with the pressure testing plate through vertical drive mechanism; And the control module of controlling hydraulic pressure and operation is set, and on the pressure testing plate, the fluid passage being set, the inner port of fluid passage is arranged on the end face that the pressure testing plate is connected with the butterfly valve cavity; The differential bottom is the pressing plate of middle part perforate, is used to observe leakage situation; During test, butterfly valve plate is closed, cover the passage inlet opening with valve body one side cavity and lie in a horizontal plane on the pressure testing plate, move down through the drive mechanism differential then, butterfly valve cavity of resorption and passage inlet opening communication seals are pressed on the pressure testing plate; Add rated pressure through water route side cavity's water flowing under butterfly valve, observe from the differential bottom opening, whether butterfly valve downside cavity seal situation is judged in water outlet to attend side cavity according to butterfly valve.Then, with 180 ° of butterfly valve upsets, use with quadrat method testing tip valve opposite side cavity seal situation.
The defective of existing testing apparatus is: the sealing property that once can only test a butterfly valve; And a clamping can only be accomplished the unidirectional pressure testing of butterfly valve, therefore clamping butterfly valve repeatedly in test process, complex operation, inefficiency; In addition, adopt the water-stop test, the waste water source, and be prone to influence test environment.
The utility model content
The fundamental purpose of the utility model is to the problems referred to above; A kind of source of the gas that utilizes is provided; Once accomplish the sealing property test of one or more butterfly valves, and clamping butterfly valve accomplishes the butterfly valve seal performance aircraft of two-way pressure testing, realize saving the clamping time; Increase work efficiency, save water resource.
The utility model solves the technical scheme that its technical matters adopted:
A kind of butterfly valve seal performance aircraft; Comprise the board that is provided with base and is supported on the upper frame on the base; Be provided for the following pressure testing plate of horizontal positioned butterfly valve in the base side; The vertical drive mechanism that is located on the upper frame is connected the differential that is used to compress butterfly valve relatively with said pressure testing plate down, on the pressure testing plate medium channel is being set down, and the inner port of medium channel is arranged on down the end face that the pressure testing plate is connected with the butterfly valve cavity; Also be provided with control module; It is characterized in that said medium channel is a gas passage, and the pressure testing plate is set, the one or more upper and lower gas passage corresponding with one or more butterfly valves is set respectively on upper and lower pressure testing plate in said differential bottom; The inner port of each upper and lower gas passage is separately positioned on upper and lower pressure testing plate and the end face that butterfly valve both sides cavity is connected; The reversal valve that external port through each upper and lower gas passage connects respectively realizes making one or more gas passages of going up to be communicated with and to have the source of the gas or the joint detection tracheae of set pressure or cut out, and perhaps realizes making one or more gas channel connections down to have the source of the gas or the joint detection tracheae of set pressure or close; Said pressure testing plate down is placed in the liftable tank of liquid level and is fixed on the base through tank; Butterfly valve under said detection tracheae and the duty is immersed in the tank.
Respectively corresponding on upper and lower pressure testing plate gas passage I (11), II a (21), II b (21 ') and three following gas passage I (12), II a (22), II b (22 ') on three corresponding with a big specification butterfly valve I (1) and two small dimension butterfly valve II a (2), II b (2 ') be set; Said reversal valve is the three position four-way directional control valve with A, P, B, R mouth; Comprise the reversal valve I (01), II (02), the V (05) that give butterfly valve II a (2), II b (2 '), I (1) ventilation respectively; Give reversal valve III (03), IV (04), the VI (06) of butterfly valve II a (2), II b (2 '), I (1) off-load respectively and be used for the conversion of butterfly valve specification and the reversal valve VII (07) of connection source of the gas; Concrete gas circuit connects as follows: the A mouth of reversal valve I (01), II (02) connects the external port of gas passage IIa (22), IIb (22 ') down respectively; Its B mouth connects the external port of gas passage IIa (21), IIb (21 ') respectively; Its P mouth all connects the A mouth of reversal valve VII (07), and its R mouth is connected in the tank respectively; The A mouth of reversal valve III (03), IV (04) connects the A mouth of reversal valve I (01), II (02) respectively, and its B mouth connects the B mouth of reversal valve I (01), II (02) respectively; The A mouth of reversal valve V (05), VI (06) all connects the external port of gas passage I (12) down, and its B mouth all connects the external port of gas passage I (11), and the P mouth of reversal valve V (05) connects the B mouth of reversal valve VII (07), and the R mouth of reversal valve V (05) is connected in the tank; The P mouth of reversal valve VII (07) connects source of the gas; On the gas circuit of last gas passage I (11), II a (21), II b (21 ') and gas passage I (12), II a (22), II b (22 ') connection down, connect rain glass respectively.
Said small dimension butterfly valve is 1 inch-6 an inch butterfly valve, and said big specification butterfly valve is 8 inch-12 an inch butterfly valve.
The liftable tank of said liquid level; Connect to the water tank that extends below at its rear side; The water tank top vertically is provided with and is fixed on the cylinder on the upper frame, and the cylinder operation bar moves up and down along water tank wall or disengagement water tank through the piston that its end connects, and water tank bottom is through being communicated with tank communicating pipe.
Said vertical drive mechanism is the oil cylinder that vertically is provided with.
Said rain glass, three position four-way directional control valve I (01)-VII (07) are arranged in the said control module, also are provided with power switch, oil cylinder switch and switching cylinder in the control module.
The beneficial effect of the utility model is: the butterfly valve seal performance aircraft that provides adopts source of the gas; And upper and lower pressure testing plate is set, and on upper and lower pressure testing plate, offer many gas passages of corresponding one or more butterfly valves, realize once accomplishing the sealing property test of one or more butterfly valves through controling each three position four-way directional control valve; And No. one time the clamping butterfly valve is accomplished two-way pressure testing; Thereby, save the clamping time, increase work efficiency and save water resource.
Description of drawings
Fig. 1 is the main TV structure synoptic diagram of the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the vertical view of following pressure testing plate portion among Fig. 1;
Fig. 4 a is the duty partial structurtes synoptic diagram that the utility model is applied to the small dimension butterfly valve;
Fig. 4 b is the left view of Fig. 4 a;
Fig. 5 is the duty partial structurtes synoptic diagram that the utility model is applied to big specification butterfly valve;
Fig. 6 is the gas circuit structure schematic diagram (also being big specification butterfly valve lower chamber ventilation pneumatic diagram) of the utility model;
Fig. 7 is big specification butterfly valve lower chamber off-load pneumatic diagram.
Among the figure: 01-08 is three position four-way directional control valve I-VIII, and 1 is big specification butterfly valve I, 2,2 ' be small dimension butterfly valve II a, II b, 11 is gas passage I on the big specification butterfly valve, 21,21 ' be gas passage II a, II b on the small dimension butterfly valve; 12 is gas passage I under the big specification butterfly valve, 22,22 ' be gas passage II a, II b under the small dimension butterfly valve, 3 vertical drive mechanisms, 4 boards, 41 upper frames; 42 pillars, 43 bases, pressure testing plate on 5,50 differentials, 6 tanks; 60 cylinders, 61 communicating pipes, 62 pistons, 63 water tanks, 7 times pressure testing plates; 8 control modules, 81 hydrostatic control cabinets, 82 pressure testing control panels, 9,91 rain glasss, 13 sound suppressors; 30 oil cylinder pressure regulation buttons, 31 power knobs, 32 oil pumps add eletric button, and 33 water pumps add eletric button, 34 oil cylinder piston descending button; 35 oil cylinder piston backhaul buttons, 36 pump start buttons, 37 oil pump stop buttons, 38 starting mode of pump buttons, 39 water pump stop buttons.
Below in conjunction with accompanying drawing and embodiment the utility model is specified.
Embodiment
Fig. 1～Fig. 3 illustrates a kind of butterfly valve seal performance aircraft; Comprise the board 4 that is provided with base 43 and is supported on the upper frame 41 on the base 43 by pillar 42; Be provided for the following pressure testing plate 7 of horizontal positioned butterfly valve in the base side; The vertical drive mechanism 3 that is located on the upper frame 41 is connected the differential 50 that is used to compress butterfly valve relatively with above-mentioned pressure testing plate down 7, and vertical drive mechanism is the oil cylinder that vertically is provided with, and on the pressure testing plate 7 medium channel is being set down; The inner port of medium channel is arranged on down the end face that the pressure testing plate is connected with the butterfly valve cavity, also is provided with control module 8; It is characterized in that above-mentioned medium channel is a gas passage; And pressure testing plate 5 is set in above-mentioned differential 50 bottoms; The one or more upper and lower gas passage corresponding with one or more butterfly valves is set respectively on upper and lower pressure testing plate 5,7; The inner port of each upper and lower gas passage is separately positioned on upper and lower pressure testing plate and the end face that butterfly valve both sides cavity is connected; The reversal valve that external port through each upper and lower gas passage connects respectively realizes making one or more gas passages of going up to connect and have the source of the gas or the joint detection tracheae of set pressure or cut out, and perhaps realizes making one or more gas passages down to connect having the source of the gas or the joint detection tracheae of set pressure or closes; Above-mentioned pressure testing plate 7 down is placed in the liftable tank 6 of liquid level and is fixed on the base 43 through tank 6; Butterfly valve under above-mentioned detection tracheae and the duty is immersed in the tank 6.
In the present embodiment; On upper and lower pressure testing plate 5,7, distinguish corresponding the setting and the butterfly valve I (1) of 1 big specification and corresponding three last gas passage I (11), II a (21), the II b (21 ') of butterfly valve II a (2), II b (2 ') of 2 small dimensions; Three following gas passage I (12), II a (22), II b (22 '); Here, the small dimension butterfly valve is 1 inch-6 an inch butterfly valve, and big specification butterfly valve is 8 inch-12 an inch butterfly valve.Big specification butterfly valve I (1) is positioned at pressure testing plate central authorities down in practical application; Small dimension butterfly valve II a (2), II b (2 ') are positioned at pressure testing plate both sides down; So; It is central that upper and lower gas passage I (11), the I (12) of corresponding big specification butterfly valve I (1) lays respectively at upper and lower pressure testing plate, and gas passage II a (22), II b (22 ') laid respectively at upper and lower pressure testing plate both sides under the last gas passage IIa (21) of corresponding small dimension butterfly valve II a (2), II b (2 '), II b (21 ') reached.Above-mentioned reversal valve is the three position four-way directional control valve with A, P, B, R mouth; Be commercially available standard valve; Comprise the reversal valve I (01), II (02), the V (05) that give butterfly valve II a (2), II b (2 '), I (1) ventilation respectively, give reversal valve III (03), IV (04), the VI (06) of butterfly valve II a (2), II b (2 '), I (1) off-load respectively and be used for the conversion of butterfly valve specification and the reversal valve VII (07) of connection source of the gas.Handle can place between R mouth, A mouth and the R mouth, three positions between B mouth and the R mouth.When handle places the R mouth, valve cuts out; When handle places between A mouth and the R mouth, then A mouth and R mouth are connected, and B mouth and the connection of P mouth; When handle places between B mouth and the R mouth, then B mouth and R mouth are connected, and A mouth and the connection of P mouth.Fig. 6 is the gas circuit structure schematic diagram of the utility model, also is big specification butterfly valve lower chamber ventilation pneumatic diagram.Concrete gas circuit connects as follows: the A mouth of reversal valve I (01), II (02) connects the external port of gas passage II a (22), II b (22 ') down respectively; Its B mouth connects the external port of gas passage II a (21), II b (21 ') respectively; Its P mouth all connects the A mouth of reversal valve VII (07), and its R mouth is respectively through detecting tracheae 20,20 ' be connected in the tank; The A mouth of reversal valve III (03), IV (04) connects the A mouth of reversal valve I (01), II (02) respectively, and its B mouth connects the B mouth of reversal valve I (01), II (02) respectively; The A mouth of reversal valve V (05), VI (06) all connects the external port of gas passage I (12) down; Its B mouth all connects the external port of gas passage I (11); The P mouth of reversal valve V (05) connects the B mouth of reversal valve VII (07), and the R mouth of reversal valve V (05) is connected in the tank through detecting tracheae 10; The P mouth of reversal valve VII (07) connects source of the gas; On the gas circuit of last gas passage I (11), II a (21), II b (21 ') and gas passage I (12), II a (22), II b (22 ') connection down, connect rain glass 9 respectively.R mouth at reversal valve III (03), IV (04), VI (06), VII (07) connects sound suppressor.
The liftable tank 6 of above-mentioned liquid level; Connect to the water tank that extends below 63 at its rear side; The water tank top vertically is provided with and is fixed on the cylinder 60 on the upper frame 41; The cylinder operation bar moves up and down along water tank wall or disengagement water tank through the piston 62 that its end connects, and water tank 63 bottoms are through being communicated with tank communicating pipe 61.During work, it is descending that the cylinder operation bar drives piston 62, with the water in the case through being pressed onto communicating pipe 61 in the tank 6; Until flooding tested butterfly valve, behind the EOT, it is up that the cylinder operation bar drives piston 62 backhauls; Be separated from water tank 63, the whole reflow tanks 63 of water in the tank 6.
Above-mentioned rain glass 9, three position four-way directional control valve I (01)-VII (07) are arranged in the said control module, also are provided with power switch, oil cylinder switch and switching cylinder in the control module.
Control module 8 comprises hydrostatic control cabinet 81 and pressure testing control panel 82 in the present embodiment, and hydrostatic control cabinet 81 is provided with power switch, oil cylinder switch, switching cylinder; Power switch is a power knob 31, and the oil cylinder switch comprises that oil pump adds eletric button 32, pump start button 36; Oil cylinder pressure regulation button 30, oil pump stop button 37, oil cylinder piston descending button 34; Oil cylinder piston backhaul button 35, and oil cylinder working-pressure table 91 is set, switching cylinder is the three position four-way directional control valve VIII (08) of control cylinder operation; Also be provided with water pump simultaneously and add eletric button 33, starting mode of pump button 38 and water pump stop button 39 are so that use when adopting hydraulic pressure pressure testing mode.On pressure testing control panel 82, be provided with upper and lower gas passage with rain glass 9 and three position four-way directional control valve I (01)-VII (07).Fig. 4 a～Fig. 5 illustrates the working state structure signal that the utility model is applied to small dimension butterfly valve and big specification butterfly valve respectively.
Below with single big specification butterfly valve (8 inch-12 inch) be example explanation the utility model leakage test step and principle (referring to Fig. 6-Fig. 7):
(1) press power knob 31, oil pump adds eletric button 32, system start-up;
(2) conversion reversal valve VII (07) handle is connected P mouth and B mouth, and then source of the gas is connected, to carry out big specification butterfly valve seal test;
(3) big specification butterfly valve I (1) is lain in a horizontal plane in down pressure testing plate 7 centre positions, press oil cylinder piston descending button 34, it is descending that pressure testing plate 5 is gone up in the oil cylinder piston drive, compresses big specification butterfly valve I (1);
(4) conversion reversal valve VIII (08) connects the descending gas circuit of cylinder, and cylinder 60 drives piston 62 and moves downward, and hydraulic pressure to tank 6 to water level was not had big specification butterfly valve I (1) to be tested.
(5) conversion reversal valve V (05); P mouth and A mouth are connected; B mouth and R mouth are connected, and B mouth and the P mouth of the pipeline that gas passage I (12) external port connected under big specification butterfly valve I (1) lower chamber passed through, the A mouth of reversal valve V (05) and P mouth, reversal valve VII (07) are communicated with source of the gas, keep watch on test pressure through tensimeter 9; At this moment, its upper cavity is communicated with tank 6 through the detection tracheae 10 of B mouth, R mouth and the connection of R mouth of last gas passage I (11), reversal valve V (05); Have or not bubble around this valve in the visual examination tank, check that simultaneously the mouth of pipe place that butterfly valve I (1) upper cavity detection tracheae 10 passes in the tank has or not bubble, test pressure is 0.6MPa, and the dwell time is 60S, if no bubble does not then have seepage.Close reversal valve V (05), conversion reversal valve VI (06) connects R mouth and A mouth, through sound suppressor 13 pressure unloadings, closes reversal valve VI (06).
(6) conversion reversal valve V (05); P mouth and B mouth are connected; A mouth and R mouth are connected, and B mouth and the P mouth of the pipeline that the upper cavity of big specification butterfly valve I (1) connects through last gas passage I (11) external port, the B mouth of reversal valve V (05) and P mouth, reversal valve VII (07) are communicated with source of the gas, keep watch on test pressure through tensimeter 9; At this moment, the detection tracheae 10 that the pipeline that gas passage I (12) connected under its lower chamber passed through, the A mouth of reversal valve V (05) and R mouth, R mouth connect is communicated with tank 6; Have or not bubble around this valve in the inspection tank, check that simultaneously the mouth of pipe place that lower chamber detection tracheae 10 passes in the tank has or not bubble, test pressure is 0.6MPa, and the dwell time is 60S, if no bubble does not then have seepage.Close reversal valve V (05), conversion reversal valve VI (06) connects R mouth and B mouth, through sound suppressor 13 pressure unloadings, closes reversal valve VI (06).Detection finishes.
Conversion reversal valve VIII (08) connects cylinder backhaul gas circuit, and it is up that the cylinder operation bar drives piston 62 backhauls, is separated from water tank 63, the whole reflow tanks 63 of water in the tank 6.Press oil cylinder piston backhaul button 35, the up last pressure testing plate 5 of oil cylinder drive that returns moves up to a certain height, takes off butterfly valve and changes another butterfly valve.
When carrying out the experiments of sealing performance of small dimension butterfly valve II a (2), II b (2 '); Operation steps and principle are identical with the test procedure of above-mentioned big specification butterfly valve I (1); Difference only is to operate two reversal valves simultaneously, during like small dimension butterfly valve II a (2), II b (2 ') ventilation, and while reversing valve operated I (01), II (02); During off-load, while reversing valve operated III (03), IV (04).
In practical application, according to the use needs, the utility model can make difunctional equipment, promptly carries out on the basis of gas pressure test sealing at the utility model, sets up hydraulic pressure and surveys hermetically-sealed construction.As shown in Figure 1, on hydrostatic control cabinet 81, be provided with water pump and add eletric button 33, starting mode of pump button 38 and water pump stop button 39, during test, need only be with going up the differential that differential changes central openings into; The following pressure testing plate that changes following pressure testing plate 7 into a central zone aquaporin gets final product, and is convenient and swift.At this moment, tank, cylinder unit do not use.
In carrying out above-mentioned test, when test(ing) medium is liquid, 1.1 times of the test pressure rated pressure that is valve at least when 20 ℃ of room temperatures; When test(ing) medium was gas, test pressure was 0.6MPa, and the butterfly valve of dwell time for 2 inch and following specification is 15 seconds, was 60 seconds for the butterfly valve of the above specification of 2 inch.
The above; It only is the preferred embodiment of the utility model; Be not that the planform and the material of the utility model are done any pro forma restriction; Every technical spirit according to the utility model all still belongs in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. butterfly valve seal performance aircraft; Comprise the board that is provided with base and is supported on the upper frame on the base; Be provided for the following pressure testing plate of horizontal positioned butterfly valve in the base side; The vertical drive mechanism that is located on the upper frame is connected the differential that is used to compress butterfly valve relatively with said pressure testing plate down, on the pressure testing plate medium channel is being set down, and the inner port of medium channel is arranged on down the end face that the pressure testing plate is connected with the butterfly valve cavity; Also be provided with control module; It is characterized in that said medium channel is a gas passage, and the pressure testing plate is set, the one or more upper and lower gas passage corresponding with one or more butterfly valves is set respectively on upper and lower pressure testing plate in said differential bottom; The inner port of each upper and lower gas passage is separately positioned on upper and lower pressure testing plate and the end face that butterfly valve both sides cavity is connected; The reversal valve that external port through each upper and lower gas passage connects respectively realizes making one or more gas passages of going up to be communicated with and to have the source of the gas or the joint detection tracheae of set pressure or cut out, and perhaps realizes making one or more gas channel connections down to have the source of the gas or the joint detection tracheae of set pressure or close; Said pressure testing plate down is placed in the liftable tank of liquid level and is fixed on the base through tank; Butterfly valve under said detection tracheae and the duty is immersed in the tank.
2. butterfly valve seal performance aircraft according to claim 1; It is characterized in that on upper and lower pressure testing plate corresponding respectively be provided with gas passage I (11), II a (21), II b (21 ') and three following gas passage I (12), II a (22), II b (22 ') on three corresponding with a big specification butterfly valve I (1) and two small dimension butterfly valve II a (2), II b (2 '); Said reversal valve is the three position four-way directional control valve with A, P, B, R mouth; Comprise the reversal valve I (01), II (02), the V (05) that give butterfly valve II a (2), II b (2 '), I (1) ventilation respectively; Give reversal valve III (03), IV (04), the VI (06) of butterfly valve II a (2), II b (2 '), I (1) off-load respectively and be used for the conversion of butterfly valve specification and the reversal valve VII (07) of connection source of the gas; Concrete gas circuit connects as follows: the A mouth of reversal valve I (01), II (02) connects the external port of gas passage II a (22), II b (22 ') down respectively; Its B mouth connects the external port of gas passage II a (21), II b (21 ') respectively; Its P mouth all connects the A mouth of reversal valve VII (07), and its R mouth is connected in the tank respectively; The A mouth of reversal valve III (03), IV (04) connects the A mouth of reversal valve I (01), II (02) respectively, and its B mouth connects the B mouth of reversal valve I (01), II (02) respectively; The A mouth of reversal valve V (05), VI (06) all connects the external port of gas passage I (12) down, and its B mouth all connects the external port of gas passage I (11), and the P mouth of reversal valve V (05) connects the B mouth of reversal valve VII (07), and the R mouth of reversal valve V (05) is connected in the tank; The P mouth of reversal valve VII (07) connects source of the gas; On the gas circuit of last gas passage I (11), II a (21), II b (21 ') and gas passage I (12), II a (22), II b (22 ') connection down, connect rain glass respectively.
3. butterfly valve seal performance aircraft according to claim 2 is characterized in that said small dimension butterfly valve is 1 inch-6 an inch butterfly valve, and said big specification butterfly valve is 8 inch-12 an inch butterfly valve.
4. according to claim 1,2 or 3 described butterfly valve seal performance aircrafts; It is characterized in that the liftable tank of said liquid level; Connect to the water tank that extends below at its rear side; The water tank top vertically is provided with and is fixed on the cylinder on the upper frame, and the cylinder operation bar moves up and down along water tank wall or disengagement water tank through the piston that its end connects, and water tank bottom is through being communicated with tank communicating pipe.
5. butterfly valve seal performance aircraft according to claim 4 is characterized in that the oil cylinder of said vertical drive mechanism for vertically being provided with.
6. butterfly valve seal performance aircraft according to claim 5 is characterized in that said rain glass, three position four-way directional control valve I (01)-VII (07) are arranged in the said control module, also are provided with power switch, oil cylinder switch and switching cylinder in the control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203362294U CN202255793U (en) | 2011-09-08 | 2011-09-08 | Butterfly valve sealing property tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203362294U CN202255793U (en) | 2011-09-08 | 2011-09-08 | Butterfly valve sealing property tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202255793U true CN202255793U (en) | 2012-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203362294U Expired - Fee Related CN202255793U (en) | 2011-09-08 | 2011-09-08 | Butterfly valve sealing property tester |
Country Status (1)
| Country | Link |
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| CN (1) | CN202255793U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435401A (en) * | 2011-09-08 | 2012-05-02 | 天津银河阀门有限公司 | Machine for testing sealing property of butterfly valve |
| CN106706224A (en) * | 2016-12-09 | 2017-05-24 | 浙江春晖智能控制股份有限公司 | Method and device for testing external leak of flow proportional electromagnetic valve |
| CN109813502A (en) * | 2017-11-21 | 2019-05-28 | 般德阀门科技有限公司 | A kind of butterfly valve bulge test machine |
| CN111504622A (en) * | 2020-04-23 | 2020-08-07 | 益阳市科惠汽配有限公司 | Automobile air conditioner compressor electric control valve calibration machine |
-
2011
- 2011-09-08 CN CN2011203362294U patent/CN202255793U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435401A (en) * | 2011-09-08 | 2012-05-02 | 天津银河阀门有限公司 | Machine for testing sealing property of butterfly valve |
| CN106706224A (en) * | 2016-12-09 | 2017-05-24 | 浙江春晖智能控制股份有限公司 | Method and device for testing external leak of flow proportional electromagnetic valve |
| CN109813502A (en) * | 2017-11-21 | 2019-05-28 | 般德阀门科技有限公司 | A kind of butterfly valve bulge test machine |
| CN111504622A (en) * | 2020-04-23 | 2020-08-07 | 益阳市科惠汽配有限公司 | Automobile air conditioner compressor electric control valve calibration machine |
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