CN102829969A - Valve pressure tester - Google Patents
Valve pressure tester Download PDFInfo
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- CN102829969A CN102829969A CN201210312797XA CN201210312797A CN102829969A CN 102829969 A CN102829969 A CN 102829969A CN 201210312797X A CN201210312797X A CN 201210312797XA CN 201210312797 A CN201210312797 A CN 201210312797A CN 102829969 A CN102829969 A CN 102829969A
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Abstract
The invention provides a valve pressure tester, which belongs to the technical field of machinery and solves the problem of difficulty in adjustment of a position of a valve with large weight existing in the conventional valve pressure tester. The valve pressure tester of the improved structure comprises a rack with a water storage cavity, wherein a pedestal is arranged in the water storage cavity; a lifting mechanism capable of driving the pedestal to move in vertical direction is arranged between the pedestal and the rack; two connecting discs which can be hermetically connected with two end faces of the valve in one-to-one correspondence are arranged above the pedestal; and at least one connecting disc is connected with the pedestal through a pushing mechanism capable for driving the connecting disc to move close to or away from the other connecting disc. The valve pressure tester has the advantages of simple structure, stable motion, convenience in control, rational design and convenience in operation.
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 test machine.
Background technology
Valve is the device of the direction that in fluid system, is used for controlling fluid, pressure, flow.Valve is the control assembly in the fluid delivery system, have by, adjusting, water conservancy diversion, prevent functions such as adverse current, voltage stabilizing, shunting or overflow pressure release.Obviously valve is one of important components in the fluid system, and whether the user mode 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 test machine of different structure, like the once disclosed a kind of valve pressure test machine [patent No.: ZL93240982.2 of Chinese patent document; Granted publication number: CN2175420Y]; By 4 pull bars; Two risers constitute framework, wherein are fixed with a multistage self-equilibrating pressure text head on the riser, and being equipped with on the framework can be along the seal pad of 4 pull bars slips; On another riser, be equipped with and can drive the electronic and gearing that this riser moves, this valve pressure test machine is provided with a leak detector valve.Though this valve pressure test machine possibly can be accomplished valve pressure test, also exists the defective that only is applicable to large bore valves.Can only vertically be provided with owing to seal pad simultaneously; So in the process of fixed valve, need constantly the position of adjustment 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 the comparatively problem of difficulty of the bigger valve location of adjustment weight.
Summary of the invention
The objective of the invention is to have the problems referred to above, proposed the valve pressure test machine of requirement of a kind of National standard valve pressure test and method regulation to existing technology.
The object of the invention can be realized through following technical proposal: a kind of valve pressure test 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; Described base top is provided with two can be respectively and the corresponding one by one terminal pad that is tightly connected of valve both ends of the surface, between at least one described terminal pad and the base through can make this terminal pad near or the pushing mechanism that moves away from another described terminal pad direction link to each other.
Terminal pad in this pressure testing machine has and the corresponding sealing surface of valve flanges dish end face, generally is used to improve the sealing between valve and the terminal pad in that some grommet type sealss are set on 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 that pushing mechanism makes and its corresponding terminal pad 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.In valve, supply water then and also carry out Back seal test, Shell test and impermeability test successively.In water storage cavity, deposit an amount of water, operate lifting mechanism moves down in valve immersion water to be measured base, in valve, supplies air at last and carries out Back seal test, Shell test and impermeability test successively.Treat test finish after successively operate lifting mechanism and pushing mechanism with valve dismounting to be measured time.The data that obtain of test and deliberated index are compared and then are obtained whether National standard of this valve to be measured.
In above-mentioned valve pressure test machine, described elevating mechanism comprises the guidance set one that oil cylinder one and at least two groups between base and frame 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 with base mutually; Described guidance set one comprises guide rail one and slippery fellow one, and guide rail one vertically is provided with and is fixed on the frame, and foxy one is fixed on the base.The firmness that guidance set one has guaranteed to be connected between base and the frame and the stability of base motion.This elevating mechanism adopts hydraulic oil cylinder driving promptly to guarantee required power, has also improved the stability of base motion.
In above-mentioned valve pressure test machine, between two described terminal pads and the base all through can make this terminal pad near or the pushing mechanism that moves away from another described terminal pad direction link to each other.All linking to each other through pushing mechanism between two terminal pads and the base makes that the movement travel of terminal pad is bigger, 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 test machine; Described pushing mechanism comprises support, guidance set two and oil cylinder two; Described terminal pad is arranged on the support, and described guidance set two is between support and base, and 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 test machine, be equipped with between two described terminal pads and the corresponding support and can make the rotating mechanism of this terminal pad around its RADIAL flip vertical, be provided with on the rotating mechanism and can valve be fixed on the fixed mechanism on the terminal pad.Two terminal pads all can overturn reduced valve by lifting after the requirement of institute stop place; Promptly 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 valve and this state terminal pad down are under the vertical state terminal pad than sealing surface and are connected and more are prone to dock and install and fix.Fixed mechanism can be fixed on valve between two terminal pads more easily 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 that 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 test machine, described rotating mechanism comprises holder and the oil cylinder between holder and support three that is connected mutually with terminal pad; The 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 the 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 big, motion stabilization and control advantage easily.In general, the connecting line between holder and the support and the axle center of terminal pad have joining, and this structure is reduced in the amplitude of fluctuation that is positioned at valve on the terminal pad in the terminal pad rotation process, dwindles required space.
In above-mentioned valve pressure test machine, be fixed with jointed shaft on the described holder, the 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 test machine, described fixed mechanism comprises that several circumferentially are evenly distributed on the briquetting in the flexible connection dish or the fixed connection dish outside, and each described briquetting all links to each other with holder through bolt and nut.
In above-mentioned valve pressure test 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 cross-shaped pull bar and the oil cylinders five that one of them oil cylinder four is moved radially with respect to terminal pad is set; Two oil cylinders four of one end of two pull bars and all the other are corresponding one by one to link to each other; 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, corresponding one by one being hinged of the other end of the other end and pull bar.
In above-mentioned valve pressure test machine; Have the gathering sill and the bar shaped resigning hole that are positioned on the corresponding terminal pad RADIAL 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 test 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 at of water storage cavity, and the outlet of water pump is connected with the water-through and ventilating hole through 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 test machine has the following advantages:
1, hydraulic oil cylinder driving is all adopted in the motion of each parts, so it is big to have an acting force, satisfies necessary requirement, motion stabilization and controls advantage easily.
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 test machine also has the advantage of simple in structure, reasonable in design and handiness.
5, utilize the requirement of the complete National standard valve pressure test of this valve pressure test machine test valve and the regulation of method.
Description of drawings
Fig. 1 is the perspective view of this valve pressure test 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 test machine.
Fig. 5 is the perspective view of another state of this valve pressure test 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 embodiment of the present invention and combine accompanying drawing, technical scheme of the present invention is done further to describe, but the present invention is not limited to these embodiment.
To shown in Figure 5, this valve pressure test machine comprises frame 1, base 2 and terminal pad 3 like 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 with base 2 mutually.Guidance set 1 comprises guide rail one and slippery fellow one, and guide rail one vertically is provided with 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 terminal pad 3 be immersed in the water thus or is positioned on the water surface.
The valve of different model is uneven in length; In order to adjust two spacings between the terminal pad 3 and more easily valve being fixed on the terminal pad 3 more easily, then between two terminal pads 3 and the base 2 all through 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 above the base 26, oil cylinder 22 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.In order to improve the stability that support 6 moves, two groups of guidance sets that are arranged in parallel 28 are set between base 2 and support 6 simultaneously, guide rail is parallel with terminal pad 3 required mobile directions.The cylinder body of oil cylinder 22 is fixed on the base 2, and the piston rod of oil cylinder 22 links to each other with terminal pad 3, when driving any oil cylinder 22 and this oil cylinder 22 with respect to support 6 just along guide rail near 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 bigger valve of testing length, also have the advantage of clamping convenience valve simultaneously.Support 6 adopts hydraulic oil cylinder driving that guidance set 28 is set simultaneously, so improved the stability that support 6 moves greatly.
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 promptly needs sealing surface to be in vertical state.Be equipped with between two terminal pads 3 and the corresponding support 6 and can make the rotating mechanism of this terminal pad 3 around its RADIAL flip vertical.Specifically, rotating mechanism comprises the holder 9 that is connected mutually with terminal pad 3 and between holder 9 and support 6, is provided with oil cylinder 3 10.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 along the back shaft axle center neatly, promptly 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 the amplitude of fluctuation that is positioned at valve on the fixed connection dish 3 like this.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 a horizontality from vertical state-transition gradually when driving oil cylinder 3 10 is stretched out piston rod 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 the end face with valve is relative with the sealing of terminal pad 3 more easily under this state, so convenient install and raising valve and terminal pad 3 between sealing.The sealing surface of terminal pad 3 is in vertical state after piston rod shrinks back basically fully; Both ends of the surface at this state lower valve link to each other with corresponding terminal pad 3 respectively; The acting force that promptly this moment, terminal pad 3 bore increases; For this reason in order to guarantee the stability of terminal pad 3, then having the locating slot 12 that is positioned on the jointed shaft 11 movable strokes on the support 6, and the sidewall of jointed shaft 11 and the sidewall of locating slot 12 lean when holder 9 is in vertical state.
Can valve be fixed on the fixed mechanism on the terminal pad 3 being provided with on the 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 RADIALs 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 the corresponding one by one setting of resigning hole 13, oil cylinder 4 15 and the also corresponding one by one setting of gathering sill; 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, when the piston rod of driving oil cylinder 4 15 is flexible, drive briquetting 14 and move axially with respect to terminal pad 3, 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 promptly links to each other with oil cylinder 5 18 is called first oil cylinder 4 15; All the other two oil cylinders 4 15 are respectively 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 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 first oil cylinder 4 15; The middle part of fork 17 is hinged on the holder 9; One end of a fork 17 and 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 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 first oil cylinder; And then drive the other end, pull bar 16, second oil cylinder 4 15 and 4 15 motions of the 3rd oil cylinder of an end, the fork 17 of fork 17 successively; Realize that promptly oil cylinder 5 18 drives first oil cylinder 4 15 and moves along the gathering sill direction, first oil cylinder 4 15 drives second oil cylinder 4 15 and the 3rd oil cylinder 4 15 synchronously 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 through bolt and nut.Have the fixed orifice that several distribute along terminal pad 3 RADIALs on the holder 9.
Oil cylinders all in this valve pressure test machine all are connected with an oil supply mechanism.All oil cylinders all can adopt cylinder to replace in this valve pressure test machine.
Extremely shown in Figure 5 like Fig. 1; Utilize the steps in sequence of the pressure bearing value of this valve pressure test machine test valve to be: at first butt joint; According to actual conditions adjustment terminal pad 3 positions; 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 relatively also each other against.Follow fixed valve, driving leans the briquetting 14 and the ring flange end face of valve with the above-mentioned terminal pad 3 corresponding oil cylinders 4 15 that once were in horizontality with oil cylinder 5 18 respectively, and then the end of valve and this terminal pad 3 are tightly connected; Drive and with above-mentioned terminal pad 3 corresponding oil cylinders 3 10 this terminal pad 3 to be rotated to embed in the locating slots 12 and the side of jointed shaft 11 and the side of locating slot 12 lean until jointed shaft 11; Drive with another terminal pad 3 corresponding oil cylinders 22 and lean until the other end of another terminal pad 3 with valve; Driving leans the corresponding briquetting 14 and the ring flange end face of valve with another terminal pad 3 corresponding oil cylinders 4 15 with oil cylinder 5 18, and then the other end of valve and another terminal pad 3 are tightly connected.Adopt aqueous medium to carry out Back seal test, Shell test and leakage test successively then.Last driving oil cylinder 1 immerses in the water valve to be measured, and then adopts air dielectric Back seal test, Shell test and leakage test successively.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes 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 used frame 1 morely; Water storage cavity 1a; Base 2; Terminal pad 3; Oil cylinder 1; Guidance set 1; Support 6; Oil cylinder 22; 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 and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (9)
1. a valve pressure test 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 corresponding one by one terminal pads that are tightly connected of valve both ends of the surface (3), between at least one described terminal pad (3) and the base (2) through 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; Be equipped with between two described terminal pads (3) and the corresponding support (6) and can make the rotating mechanism of this terminal pad (3), can valve be fixed on the fixed mechanism on the terminal pad (3) being provided with on the rotating mechanism around its RADIAL flip vertical.
2. valve pressure test 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 with base (2) mutually; Described guidance set one (5) comprises guide rail one and slippery fellow one, and guide rail one vertically is provided with and is fixed on the frame (1), and foxy one is fixed on the base (2).
3. valve pressure test machine according to claim 1 and 2; It is characterized in that, between two described terminal pads (3) and the base (2) all through 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 test 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).
5. valve pressure test machine according to claim 1 and 2 is characterized in that, described rotating mechanism comprise the holder (9) that is connected mutually with terminal pad (3) and be positioned at holder (9) and support (6) between oil cylinder three (10); The both sides of described holder (9) and support (6) are rotationally connected; The cylinder body of described oil cylinder three (10) is hinged on the support (6); The piston rod of oil cylinder three (10) is hinged on the holder (9), and the pin joint between the piston rod of oil cylinder three (10) and the holder (9) is positioned at a side of pin joint place straight line between cylinder body and the support (6) of tie point and oil cylinder three (10) between holder (9) and the support (6).
6. valve pressure test machine according to claim 5 is characterized in that, is fixed with jointed shaft (11) on the described holder (9), and the piston rod of described oil cylinder three (10) and jointed shaft (11) are hinged; Have the locating slot (12) that is positioned on the movable stroke of jointed shaft (11) on the described support (6), and lean when the sidewall of holder (9) described jointed shaft (11) when being in vertical state and the sidewall of locating slot (12).
7. valve pressure test machine according to claim 1 and 2; It is characterized in that; Described fixed mechanism comprises that several circumferentially are evenly distributed on the briquetting (14) in the flexible connection dish (3) or fixed connection dish (3) outside, and each described briquetting (14) all links to each other with holder (9) through bolt and nut.
8. valve pressure test machine according to claim 1 and 2; It is characterized in that; Described fixed mechanism comprises three briquettings (14) that circumferentially are evenly distributed on terminal pad (3) outside; All be connected with on each described briquetting (14) and can make this briquetting (14) with respect to the axially movable oil cylinder four (15) of terminal pad (3), described holder (9) is provided with two oil cylinders five (18) that cross-shaped pull bar (16) are set and one of them oil cylinder four (15) is moved radially with respect to terminal pad (3); Four (15) corresponding one by one linking to each other of two oil cylinders of one end of two pull bars (16) and all the other; The both sides of the described oil cylinder four (15) that links to each other with oil cylinder five (18) are equipped with the fork (17) that a middle part and holder (9) are hinged; One end of two forks (17) all is hinged with the oil cylinder four (15) that links to each other with oil cylinder five (18), corresponding one by one being hinged of the other end of the other end and pull bar (16).
9. valve pressure test machine according to claim 8; It is characterized in that; Have the gathering sill and the bar shaped resigning hole (13) that are positioned on corresponding terminal pad (3) RADIAL on the described holder (9); Have the guiding convex body on the cylinder body of oil cylinder four (15), described guiding convex body embeds in the gathering sill, and the piston rod of oil cylinder four (15) passes resigning hole (13) and is connected mutually with briquetting (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312797.XA CN102829969B (en) | 2011-01-17 | 2011-01-17 | Valve pressure tester |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312797.XA CN102829969B (en) | 2011-01-17 | 2011-01-17 | Valve pressure tester |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110008892 Division CN102147314B (en) | 2011-01-17 | 2011-01-17 | Valve pressure testing machine |
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| CN102829969A true CN102829969A (en) | 2012-12-19 |
| CN102829969B CN102829969B (en) | 2014-12-03 |
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| CN201210312797.XA Expired - Fee Related CN102829969B (en) | 2011-01-17 | 2011-01-17 | Valve pressure tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062085A (en) * | 2013-03-21 | 2014-09-24 | 中国石油天然气集团公司 | Pressure testing apparatus of pipeline blocking valve |
| CN104296936A (en) * | 2014-10-30 | 2015-01-21 | 芜湖杰诺科技有限公司 | Station switching device of valve sealing performance test platform |
| CN104296949B (en) * | 2014-10-30 | 2017-05-10 | 江苏盐电阀门有限公司 | Combined platform for hydraulic valve general assembly seal test bed |
| CN113532846A (en) * | 2021-09-14 | 2021-10-22 | 南通沃特力机械制造有限公司 | Automatic quality inspection system and method for assembled pump body valve |
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| CN2049352U (en) * | 1988-05-19 | 1989-12-13 | 地方国营永嘉液压站厂 | Tester for valve |
| CN2050163U (en) * | 1988-05-19 | 1989-12-27 | 永嘉县振华机械厂 | Valve-testing machine |
| CN2727721Y (en) * | 2004-06-30 | 2005-09-21 | 上海增欣机电设备制造有限公司 | Automatic hydraulic valve experiment table |
| 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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| CN104062085A (en) * | 2013-03-21 | 2014-09-24 | 中国石油天然气集团公司 | Pressure testing apparatus of pipeline blocking valve |
| CN104296936A (en) * | 2014-10-30 | 2015-01-21 | 芜湖杰诺科技有限公司 | Station switching device of valve sealing performance test platform |
| CN104296949B (en) * | 2014-10-30 | 2017-05-10 | 江苏盐电阀门有限公司 | Combined platform for hydraulic valve general assembly seal test bed |
| 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 |
| CN113532846A (en) * | 2021-09-14 | 2021-10-22 | 南通沃特力机械制造有限公司 | Automatic quality inspection system and method for assembled pump body valve |
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| CN102829969B (en) | 2014-12-03 |
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