CN102147314B - Valve pressure testing machine - Google Patents
Valve pressure testing machine Download PDFInfo
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- CN102147314B CN102147314B CN 201110008892 CN201110008892A CN102147314B CN 102147314 B CN102147314 B CN 102147314B CN 201110008892 CN201110008892 CN 201110008892 CN 201110008892 A CN201110008892 A CN 201110008892A CN 102147314 B CN102147314 B CN 102147314B
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Abstract
The invention provides a valve pressure testing machine, belonging to the technical field of machinery and solving the problem of difficulty in regulating the position of a valve with larger weight in the traditional valve pressure testing machine. The valve pressure testing machine with an improved structure comprises a stand provided with a water storage cavity, and the water storage cavity is internally provided with a base; a lifting mechanism capable of enabling the base to move along a vertical direction is arranged between the base and the stand; and two terminal pads capable of being in sealing connection with two end faces of the valve respectively in a one-one correspondence way are arranged above the base, and at least one terminal pad and the base are connected through a pushing mechanism capable of enabling the terminal pad to move in a direction close to or away from the other terminal pad. The valve pressure testing machine with the improved structure has the advantages of simple structure, moving stability, convenience in control and manipulation and reasonable design.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of pressure testing machine, particularly a kind of valve pressure testing machine.
Background technology
Valve is the device of the direction that is used for controlling fluid in fluid system, pressure, flow.Valve is the control assembly in the fluid delivery system, has cut-off, adjusting, water conservancy diversion, prevents the functions such as adverse current, voltage stabilizing, shunting or overflow pressure relief.Obviously valve is one of parts important in the fluid system, and whether the use state of valve directly affects fluid system and can normally move, so all should carry out pressure test before every deck valve door dispatches from the factory.China also makes with GB standard GB/T13927-1992 " industrial valve pressure test ", this standard code requirement, method and the deliberated index of universal valve pressure test.
In order more easily valve to be carried out pressure test, so once the someone had designed the valve pressure testing machine of different structure, such as Chinese patent literature disclosed a kind of valve pressure testing machine [patent No.: ZL93240982.2 once; Granted publication number: CN2175420Y], by 4 pull bars, two risers consist of framework, wherein be fixed with a multi-stage self-balancing pressure text head on the riser, being equipped with on the framework can be along the seal pad of 4 pull bars slips, be equipped with at another riser and can drive the electronic and gearing that this riser moves, be provided with a leak detector valve on this device for measuring valve pressure.Although this valve pressure testing machine may can be finished valve pressure test, also exists the defective that is only applicable to large bore valves.Can only vertically arrange owing to seal pad simultaneously, so in the process of fixed valve, need constantly to adjust the position of valve and then realize valve relative with seal pad and fixing, the caliber size of valve is different, then the weight size is also different, obviously exists to adjust comparatively hard problem of the larger valve location of weight.
Summary of the invention
The objective of the invention is to have the problems referred to above for existing technology, proposed a kind of valve pressure testing machine that meets the requirement of national standard valve pressure test and method regulation.
Purpose of the present invention can realize by following technical proposal: a kind of valve pressure testing machine, it is characterized in that it comprises the frame with water storage cavity, and be provided with base in the water storage cavity; Be provided with the elevating mechanism that base is vertically moved between described base and the frame; Two of described base tops can be respectively and the valve both ends of the surface corresponding terminal pad that is tightly connected one by one, between at least one described terminal pad and the base by this terminal pad is linked to each other to pushing mechanism close or that move away from another described terminal pad direction.
Terminal pad in this pressure testing machine has the sealing surface corresponding with valve flanges dish end face, generally some grommet type sealss is set for the sealing that improves between valve and the terminal pad at the sealing face.When utilizing this pressure testing machine test valve, the sealing surface of two above-mentioned terminal pads is relative, and valve is between two above-mentioned terminal pads.Handle pushing mechanism make the terminal pad corresponding with it to another terminal pad near the both ends of the surface that force valve respectively and the sealing surface of terminal pad lean and form sealing and be fixed between two above-mentioned terminal pads.Then supply water in the valve and carry out successively Back seal test, Shell test and impermeability test.Deposit an amount of water in water storage cavity, operate lifting mechanism moves down base until valve to be measured is immersed in the water, and also carries out successively Back seal test, Shell test and impermeability test for air in the most backward valve.It is to be tested that operate lifting mechanism and pushing mechanism are lower with valve dismounting to be measured successively after complete.Data and deliberated index that test obtains compare and then obtain this valve to be measured whether meet national standard.
In above-mentioned valve pressure testing machine, described elevating mechanism comprises the guidance set one that oil cylinder one between base and frame and at least two groups are arranged on chassis outer side; The cylinder body of described oil cylinder one is fixed on the frame, and the piston rod of oil cylinder one is connected mutually with base; Described guidance set one comprises guide rail one and slippery fellow one, and guide rail one vertically arranges and is fixed on the frame, and foxy one is fixed on the base.Guidance set one has guaranteed the firmness that is connected between base and the frame and the stability of base motion.This elevating mechanism adopts hydraulic oil cylinder driving namely to guarantee required power, has also improved the stability of base motion.
In above-mentioned valve pressure testing machine, between two described terminal pads and the base all by can make this terminal pad near or the pushing mechanism that moves away from another described terminal pad direction link to each other.All link to each other by pushing mechanism so that the movement travel of terminal pad is larger between two terminal pads and the base, so can reduce valve by lifting after the requirement of institute stop place, can conveniently valve be fixed on this pressure testing machine.
In above-mentioned valve pressure testing machine, described pushing mechanism comprises support, guidance set two and oil cylinder two, described terminal pad is arranged on the support, described guidance set two is between support and base, described guidance set two comprises guide rail two and foxy two, guide rail two is horizontally disposed with and is fixed on the base, and foxy two are fixed on the support; The cylinder body of described oil cylinder two is fixed on the base, and the piston rod of oil cylinder two links to each other with terminal pad.
In above-mentioned valve pressure testing machine, be equipped with between two described terminal pads and the corresponding support and can make this terminal pad around the rotating mechanism of its radial line flip vertical, be provided with the fixed mechanism that valve can be fixed on the terminal pad at rotating mechanism.Two terminal pads all can overturn reduced valve by lifting after the requirement of institute stop place, namely make the sealing surface of this terminal pad be in horizontality according to the situation upset of lifting late gate present position near the terminal pad of valve, obviously the terminal pad under valve and this state is under the vertical state be connected easier docking and installing and fixing of terminal pad than sealing surface.Fixed mechanism can be fixed on valve more easily between two terminal pads and improve fixing firmness; Just valve is fixed on the terminal pad in the time of can also making terminal pad be in horizontality except this this fixed mechanism, avoids terminal pad valve when upset terminal pad or shaking phenomenon to occur breaking away from.
In above-mentioned valve pressure testing machine, described rotating mechanism comprises the holder that is connected mutually with terminal pad and be provided with oil cylinder three between holder and support; Both sides and the support of described holder are rotationally connected; The cylinder body of described oil cylinder three is hinged on the support, the piston rod of oil cylinder three is hinged on the holder, a side of the piston rod of oil cylinder three and the pin joint between holder pin joint place straight line between the cylinder body of tie point between holder and the support and oil cylinder three and support.The holder both sides simultaneously with between be rotationally connected and improve firmness that holder is connected and the stability of rotation.Piston rod stretches and then drives holder and circumferentially rotates around the connecting line between holder and the support when driving oil cylinder three.Adopt that hydraulic oil cylinder driving has that acting force is large, motion stabilization and control easily advantage.In general, the connecting line between holder and the support and the axle center of terminal pad have joining, and this Structure Decreasing is positioned at the amplitude of fluctuation of valve on the terminal pad in the terminal pad rotation process, dwindle required space.
In above-mentioned valve pressure testing machine, be fixed with jointed shaft on the described holder, piston rod and the jointed shaft of described oil cylinder three are hinged; Have the locating slot that is positioned on the movable stroke of jointed shaft on the described support, and the sidewall of described jointed shaft and the sidewall of locating slot lean when holder is in vertical state.
In above-mentioned valve pressure testing machine, described fixed mechanism comprises the briquetting that several circumferentially are evenly distributed on the flexible connection dish or are fixedly connected with the dish outside, and each described briquetting all links to each other with holder by bolt and nut.
In above-mentioned valve pressure testing machine, described fixed mechanism comprises three briquettings that circumferentially are evenly distributed on the terminal pad outside, all be connected with on each described briquetting and can make this briquetting with respect to the axially movable oil cylinder four of terminal pad, described holder is provided with two oil cylinders five that cross-shaped pull bar are set and one of them oil cylinder four is moved radially with respect to terminal pad; Two oil cylinders four of one end of two pull bars and all the other are corresponding linking to each other one by one, the both sides of the described oil cylinder four that links to each other with oil cylinder five are equipped with the fork that a middle part and holder are hinged, one end of two forks all is hinged with the oil cylinder four that links to each other with oil cylinder five, and the other end of the other end and pull bar is corresponding being hinged one by one.
In above-mentioned valve pressure testing machine, have the gathering sill and the bar shaped resigning hole that are positioned on the corresponding terminal pad radial line on the described holder, has the guiding convex body on the cylinder body of oil cylinder four, described guiding convex body embeds in the gathering sill, and the piston rod of oil cylinder four passes resigning hole and is connected mutually with briquetting.
In above-mentioned valve pressure testing machine, described terminal pad middle part all has the water-through and ventilating hole, and described frame is provided with water pump, and the import of water pump is positioned at the place, bottom of water storage cavity, and the outlet of water pump is connected with the water-through and ventilating hole by pipeline.This water pump is that the pressure of its supply water of high-pressure hydraulic pump satisfies the required force value of test valve.The reserve tank domestic demand stores an amount of water when utilizing this pressure testing machine test valve, and this water is the required medium of test material is provided, and also needs to treat that side valves immerse that material is provided in the water when adopting air dielectric test valve.
Compared with prior art, this valve pressure testing machine has the following advantages:
1, hydraulic oil cylinder driving is all adopted in the motion of all parts, so it is large to have an acting force, satisfies necessary requirement, motion stabilization and controls easily advantage.
2, two terminal pads all can move horizontally and vertically upset, so reduced the requirement that valve is lifted required in-position, have also made things convenient for simultaneously valve is fixed on this pressure testing machine.
3, fixed mechanism improved valve be fixed firmness and when guarantee realizing the terminal pad upset valve can not occur breaking away from and shaking phenomenon.
4, this valve pressure testing machine also has the advantage of simple in structure, reasonable in design and handiness.
5, utilize this valve pressure testing machine test valve to meet the requirement of national standard valve pressure test and the regulation of method fully.
Description of drawings
Fig. 1 is the perspective view of this valve pressure testing machine.
Fig. 2 is the perspective view after Fig. 1 removes frame.
Fig. 3 is the perspective view after Fig. 2 removes the part parts.
Fig. 4 is the perspective view of fixed mechanism in this valve pressure testing machine.
Fig. 5 is the perspective view of another state of this valve pressure testing machine.
Among the figure, 1, frame; 1a, water storage cavity; 2, base; 3, terminal pad; 4, oil cylinder one; 5, guidance set one; 6, support; 7, oil cylinder two; 8, guidance set two; 9, holder; 10, oil cylinder three; 11, jointed shaft; 12, locating slot; 13, resigning hole; 14, briquetting; 15, oil cylinder four; 16, pull bar; 17, fork; 18, oil cylinder five; 19, guide holder.
Embodiment
Below be specific embodiments of the invention and by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
To shown in Figure 5, this valve pressure testing machine comprises frame 1, base 2 and terminal pad 3 such as Fig. 1.Specifically, frame 1 has the water storage cavity 1a that is rectangular-shaped, and it is rectangular-shaped that frame 1 also is, the opening that the top of frame 1 has with water storage cavity 1a communicates and area is identical.
Between base 2 and frame 1, be provided with the elevating mechanism that base 2 is vertically moved.More particularly, elevating mechanism comprises two guidance sets 1 between the oil cylinder 1 between the water storage cavity 1a bottom surface of base 2 bottoms and frame 1 and four groups of water storage cavity 1a sides in base 2 lateral surfaces and frame 1.The cylinder body of oil cylinder 1 is fixed on the frame 1, and the piston rod of oil cylinder 1 is connected mutually with base 2.Guidance set 1 comprises guide rail one and slippery fellow one, and guide rail one vertically arranges and is fixed on the frame 1, and foxy one is fixed on the base 2.The piston rod of oil cylinder 1 is flexible and then drive base 2 and move up and down with respect to water storage cavity 1a bottom surface when driving oil cylinder 1, can make thus terminal pad 3 be immersed in the water or is positioned on the water surface.
The valve of different model is uneven in length, in order to adjust more easily two spacings between the terminal pad 3 and more easily valve being fixed on the terminal pad 3, then between two terminal pads 3 and the base 2 all by can make this terminal pad 3 near or the pushing mechanism that moves away from another described terminal pad 3 directions link to each other.More particularly, pushing mechanism comprises at the support 6 above the base 2, oil cylinder 27 and the guidance set 28 between base 2 and support 6.Terminal pad 3 is arranged on the place, top of support 6, and guidance set 28 comprises guide rail two and slippery fellow two, and guide rail two is horizontally disposed with and is fixed on the base 2, and foxy two are fixed on the support 6.The stability that moves in order to improve support 6 arranges two groups of guidance sets that are arranged in parallel 28 simultaneously between base 2 and support 6, guide rail is parallel with the direction of terminal pad 3 required movements.The cylinder body of oil cylinder 27 is fixed on the base 2, and the piston rod of oil cylinder 27 links to each other with terminal pad 3, when driving any one oil cylinder 27 with this oil cylinder 27 with respect to support 6 just along guide rail to close or move away from another support 6 directions.Obviously two above-mentioned terminal pads 3 can both move, so make this testing machine can be fit to the larger valve of testing length, also have simultaneously the advantage of clamping convenience valve.Support 6 adopts hydraulic oil cylinder driving that guidance set 28 is set simultaneously, so improved greatly the stability that support 6 moves.
When two terminal pads 3 linked to each other with the both ends of the surface of valve respectively, the sealing surface of two terminal pads 3 need be oppositely arranged, and namely needs sealing surface to be in vertical state.Being equipped with between two terminal pads 3 and the corresponding support 6 to make this terminal pad 3 around the rotating mechanism of its radial line flip vertical.Specifically, rotating mechanism comprises the holder 9 that is connected mutually with terminal pad 3 and be provided with oil cylinder 3 10 between holder 9 and support 6.Be fixed with back shaft on the holder 9, this back shaft passes and the two ends of back shaft pass and penetrate support 6 from the both sides of holder 9 respectively from the axle core of terminal pad 3, is provided with bearing between support 6 and the back shaft, and then holder 9 and support 6 are rotationally connected.So holder 9 can rotate neatly along the back shaft axle center, namely the sealing surface of terminal pad 3 can be in vertical state and also can be in horizontality.The axle core of terminal pad 3 is positioned at back shaft axle core and intersects, and can reduce like this to be positioned at the amplitude of fluctuation that is fixedly connected with valve on the dish 3.One sidepiece of holder 9 is fixed with jointed shaft 11, the cylinder body of oil cylinder 3 10 is hinged on the support 6, and the piston rod of oil cylinder 3 10 and jointed shaft 11 are hinged and a side of the piston rod of oil cylinder 3 10 and the pin joint between the jointed shaft 11 pin joint place straight line between the cylinder body of tie point and oil cylinder 3 10 between holder 9 and the support 6 and support 6.The position that present embodiment provides for when the sealing surface of terminal pad 3 towards another terminal pad 3 and when being in vertical state jointed shaft 11 be positioned at the below of back shaft.The sealing surface of terminal pad 3 is horizontality from vertical state-transition gradually when driving oil cylinder 3 10 piston rod is stretched out gradually, otherwise the state of terminal pad 3 is also when piston rod shrinks gradually.Obviously, the sealing surface of terminal pad 3 is in horizontality when the piston rod extension elongation is enough, and easier end face with valve is relative with the sealing of terminal pad 3 under this state, and then the sealing between convenient installation and raising valve and the terminal pad 3.The sealing surface of terminal pad 3 is in vertical state after piston rod shrinks back substantially fully, both ends of the surface at this state lower valve are continuous with corresponding terminal pad 3 respectively, the acting force that namely this moment, terminal pad 3 bore increases, for this reason in order to guarantee the stability of terminal pad 3, so have the locating slot 12 that is positioned on the jointed shaft 11 movable strokes at support 6, and the sidewall of jointed shaft 11 and the sidewall of locating slot 12 lean when holder 9 is in vertical state.
Be provided with the fixed mechanism that valve can be fixed on the terminal pad 3 at holder 9, this fixed mechanism has made things convenient for being tightly connected of valve and terminal pad 3.Having three on the holder 9 is positioned on corresponding terminal pad 3 radial line and with respect to terminal pad 3 circumferential equally distributed gathering sill and bar shaped resigning holes 13.Specifically, fixed mechanism comprises three briquettings 14 and oil cylinder 4 15, two pull bars 16 and fork 17, an oil cylinder 5 18.Briquetting 14 and one by one corresponding setting of resigning hole 13, oil cylinder 4 15 and gathering sill also one by one corresponding setting; Briquetting 14 is positioned at the upside of holder 9, and the cylinder body of oil cylinder 4 15 is positioned at the downside of holder 9, has the guiding convex body on the cylinder body of oil cylinder 4 15, and the guiding convex body embeds in the gathering sill, and the piston rod of oil cylinder 4 15 passes resigning hole 13 and is connected mutually with briquetting 14.Obviously, oil cylinder 4 15 can along gathering sill near or move away from terminal pad 3 directions, this structure and action can make this fixed mechanism be fit to the valve of different flux.Simultaneously, drive briquetting 14 and move axially with respect to terminal pad 3 when the piston rod that drives oil cylinder 4 15 is flexible, this structure and action can make fixed mechanism clamp or unclamp valve.
The cylinder body of oil cylinder 5 18 is fixed on the holder 9, and the cylinder body of one of them oil cylinder 4 15 in the piston rod of oil cylinder 5 18 and above-mentioned three oil cylinders 4 15 is connected mutually.The oil cylinder 4 15 that namely links to each other with oil cylinder 5 18 is called the first oil cylinder 4 15; All the other two oil cylinders 4 15 are respectively the second oil cylinder 4 15 and the 3rd oil cylinder 4 15.Two pull bars 16 all are arranged on downside and two pull bar 16 cross-shaped settings of holder 9; The bottom surface of holder 9 is provided with several guide holders 19, and pull bar 16 is embedded in guide holder 19 and can vertically moves along guide holder 19 sidewalls.One end of a pull bar 16 links to each other with the second oil cylinder 4 15, and an end of another root pull bar 16 links to each other with the 3rd oil cylinder 4 15.Two forks 17 lay respectively at the both sides of the first oil cylinder 4 15, the middle part of fork 17 is hinged on the holder 9, one end of a fork 17 and the first oil cylinder 4 15 are hinged, the other end of the other end and a pull bar 16 is hinged, and the other end of this root fork 17 and this pull bar 16 is positioned at the same side of oil cylinder 5 18; One end of another root fork 17 also is hinged with the first oil cylinder 4 15, and the other end of the other end and another root pull bar 16 is hinged.Piston rod is flexible when driving oil cylinder 5 18 drives 4 15 motions of the first oil cylinder, and then drive successively the other end, pull bar 16, the second oil cylinder 4 15 and 4 15 motions of the 3rd oil cylinder of an end, the fork 17 of fork 17, realize that namely oil cylinder 5 18 drives the first oil cylinder 4 15 and moves along the gathering sill direction, the first oil cylinder 4 15 drives synchronously the second oil cylinder 4 15 and the 3rd oil cylinder 4 15 and moves along the gathering sill direction.The direction of motion of oil cylinder 5 18 piston rods and pull bar 16 overlaps with corresponding gathering sill vertical line respectively thus.
Can also adopt following structure according to the actual conditions fixed mechanism, fixed mechanism comprises three briquettings 14 that circumferentially are evenly distributed on terminal pad 3 outsides, and each described briquetting 14 all links to each other with holder 9 by bolt and nut.Have the fixed orifice that several distribute along terminal pad 3 radial line on the holder 9.
Oil cylinders all in this valve pressure testing machine all are connected with an oil supply mechanism.All oil cylinders all can adopt cylinder to replace in this valve pressure testing machine.
Extremely shown in Figure 5 such as Fig. 1, utilize the step of the pressure bearing value of this valve pressure testing machine test valve to be followed successively by: at first docking, adjust terminal pad 3 positions according to actual conditions, the sealing surface of one of them terminal pad 3 is in horizontality, with valve to be measured lifting to above-mentioned terminal pad 3 tops, the sealing surface of descend the gradually end face that makes valve and terminal pad 3 relative also mutually against.Then fixed valve drives respectively oil cylinder four 15 and the oil cylinder five 18 corresponding with the above-mentioned terminal pad that once was in horizontality 3 the ring flange end face of briquetting 14 and valve is leant, and then the end of valve and this terminal pad 3 are tightly connected; Driving the oil cylinder three 10 corresponding with above-mentioned terminal pad 3 rotates this terminal pad 3 until jointed shaft 11 embeds the interior and side of jointed shaft 11 of locating slots 12 and the side of locating slot 12 leans; Drive the oil cylinder two 7 corresponding with another terminal pad 3 until the other end of another terminal pad 3 and valve leans; Drive oil cylinder four 15 and the oil cylinder five 18 corresponding with another terminal pad 3 the ring flange end face of corresponding briquetting 14 and valve is leant, and then the other end of valve and another terminal pad 3 are tightly connected.Then adopt aqueous medium to carry out successively Back seal test, Shell test and leakage test.Drive at last oil cylinder 1 valve to be measured is immersed in the water, and then adopt air dielectric successively Back seal test, Shell test and leakage test.
Specific embodiment described herein only is to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or replenish or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has more used frame 1; Water storage cavity 1a; Base 2; Terminal pad 3; Oil cylinder 1; Guidance set 1; Support 6; Oil cylinder 27; Guidance set 28; Holder 9; Oil cylinder 3 10; Jointed shaft 11; Locating slot 12; Resigning hole 13; Briquetting 14; Oil cylinder 4 15; Pull bar 16; Fork 17; Oil cylinder 5 18; Guide holder 19 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe more easily and explain essence of the present invention; They are construed to any additional restriction all is contrary with spirit of the present invention.
Claims (4)
1. a valve pressure testing machine is characterized in that, it comprises and the have water storage cavity frame (1) of (1a) is provided with base (2) in the water storage cavity (1a); Be provided with the elevating mechanism that base (2) is vertically moved between described base (2) and the frame (1); Described base (2) top is provided with two can be respectively and the valve both ends of the surface corresponding terminal pad that is tightly connected (3) one by one, between at least one described terminal pad (3) and the base (2) by this terminal pad (3) is linked to each other to pushing mechanism close or that move away from another described terminal pad (3) direction.
2. valve pressure testing machine according to claim 1 is characterized in that, described elevating mechanism comprises that the oil cylinder one (4) that is positioned between base (2) and the frame (1) and at least two groups are arranged on the guidance set one (5) in base (2) outside; The cylinder body of described oil cylinder one (4) is fixed on the frame (1), and the piston rod of oil cylinder one (4) is connected mutually with base (2); Described guidance set one (5) comprises guide rail one and slippery fellow one, and guide rail one vertically arranges and is fixed on the frame (1), and foxy one is fixed on the base (2).
3. valve pressure testing machine according to claim 1 and 2, it is characterized in that, between two described terminal pads (3) and the base (2) all by can make this terminal pad (3) near or the pushing mechanism that moves away from another described terminal pad (3) direction link to each other.
4. valve pressure testing machine according to claim 3, it is characterized in that, described pushing mechanism comprises support (6), guidance set two (8) and oil cylinder two (7), described terminal pad (3) is arranged on the support (6), described guidance set two (8) is positioned between support (6) and the base (2), described guidance set two (8) comprises guide rail two and slippery fellow two, and guide rail two is horizontally disposed with and is fixed on the base (2), and foxy two are fixed on the support (6); The cylinder body of described oil cylinder two (7) is fixed on the base (2), and the piston rod of oil cylinder two (7) links to each other with terminal pad (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008892 CN102147314B (en) | 2011-01-17 | 2011-01-17 | Valve pressure testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110008892 CN102147314B (en) | 2011-01-17 | 2011-01-17 | Valve pressure testing machine |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210312797.XA Division CN102829969B (en) | 2011-01-17 | 2011-01-17 | Valve pressure tester |
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| CN102147314A CN102147314A (en) | 2011-08-10 |
| CN102147314B true CN102147314B (en) | 2013-01-30 |
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| CN 201110008892 Expired - Fee Related CN102147314B (en) | 2011-01-17 | 2011-01-17 | Valve pressure testing machine |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645307A (en) * | 2012-05-02 | 2012-08-22 | 芜湖永诺船用阀门有限责任公司 | Valve pressure testing device |
| CN104634515A (en) * | 2013-11-07 | 2015-05-20 | 氟络塞尔特种阀门(苏州)有限公司 | Hinge arm apparatus of hydrostatic testing machine |
| CN104296936B (en) * | 2014-10-30 | 2017-05-24 | 广东安规检测有限公司 | Station switching device of valve sealing performance test platform |
| CN106404381B (en) * | 2016-11-17 | 2018-10-19 | 广州市上腾电子科技有限公司 | A kind of check valve line pressure shift test device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007131388A1 (en) * | 2006-05-15 | 2007-11-22 | Yongsheng Song | Vavle |
| CN101806672A (en) * | 2010-05-18 | 2010-08-18 | 卓旦春 | Valve life testing device |
| CN101813575A (en) * | 2010-05-18 | 2010-08-25 | 卓旦春 | Bending resistance test device for valve |
-
2011
- 2011-01-17 CN CN 201110008892 patent/CN102147314B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007131388A1 (en) * | 2006-05-15 | 2007-11-22 | Yongsheng Song | Vavle |
| CN101806672A (en) * | 2010-05-18 | 2010-08-18 | 卓旦春 | Valve life testing device |
| CN101813575A (en) * | 2010-05-18 | 2010-08-25 | 卓旦春 | Bending resistance test device for valve |
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Owner name: ZHEJIANG WORLD HAVC TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHUO DANCHUN Effective date: 20130522 |
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