CN102829969B - Valve pressure tester - Google Patents
Valve pressure tester Download PDFInfo
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- CN102829969B CN102829969B CN201210312797.XA CN201210312797A CN102829969B CN 102829969 B CN102829969 B CN 102829969B CN 201210312797 A CN201210312797 A CN 201210312797A CN 102829969 B CN102829969 B CN 102829969B
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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 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 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 fluid system, and whether the use state of valve directly affects fluid system and can normally move, so every deck valve door all should carry out pressure test before dispatching from the factory.China also makes with GB standard GB/T13927-1992 " industrial valve pressure test ", and this standard has specified requirement, method and the deliberated index of universal valve pressure test.
In order more easily valve to be carried out to pressure test, so once someone had designed the valve pressure testing machine of different structure, as once disclosed a kind of valve pressure testing machine [patent No.: ZL93240982.2 of Chinese patent literature; Granted publication number: CN2175420Y], by 4 pull bars, two risers form framework, wherein on a riser, be fixed with a multi-stage self-balancing pressure text head, the seal pad that can slide along 4 pull bars is housed on framework, electronic and the gearing that can drive this riser to move is housed on another riser, on this device for measuring valve pressure, is provided with a leak detector valve.Although this valve pressure testing machine may can complete valve pressure test, also exists the defect that is only applicable to large bore valves.Simultaneously because seal pad can only vertically arrange, so need constantly to adjust the position of valve and then realize valve relative with seal pad and fixing in the process of fixed valve, the caliber size difference of valve, weight size is also different, obviously exists the comparatively problem of difficulty of valve location that weight is larger of adjusting.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of valve pressure testing machine that the requirement of national standard valve pressure test and method specify that meets.
Object of the present invention can realize by following technical proposal: a kind of valve pressure testing machine, it is characterized in that, and it comprises the frame with water storage cavity, is provided with base in water storage cavity; Between described base and frame, be provided with the elevating mechanism that can make base vertically move; Described base top is provided with two can be respectively and the valve both ends of the surface corresponding terminal pad being tightly connected one by one, between the terminal pad described at least one and base by making this terminal pad be connected to pushing mechanism close or that move away from the terminal pad direction described in another.
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 on sealing face for improving the sealing between valve and terminal pad.While 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 terminal pad corresponding thereto 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 in valve, supply water and carry out successively Back seal test, Shell test and impermeability test.In water storage cavity, deposit appropriate water, operate lifting mechanism moves down base until valve to be measured is immersed in the water, and in the most backward valve, also carries out successively Back seal test, Shell test and impermeability test for air.After to be tested successively operate lifting mechanism and pushing mechanism by under valve dismounting to be measured.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 that oil cylinder one and at least two groups between base and frame are arranged on the guidance set one of chassis outer side; The cylinder body of described oil cylinder one is fixed in 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 in frame, and foxy one is fixed on base.Guidance set one has ensured the stability of the firmness that is connected between base and frame and base motion.This elevating mechanism adopts hydraulic oil cylinder driving to ensure required power, has also improved the stability of base motion.
In above-mentioned valve pressure testing machine, between the terminal pad described in two and base all by can make this terminal pad near or the pushing mechanism that moves away from the terminal pad direction described in another be connected.Between two terminal pads and base, be all connected and make the movement travel of terminal pad larger by pushing mechanism, 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 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 base, and foxy two are fixed on support; The cylinder body of described oil cylinder two is fixed on base, and the piston rod of oil cylinder two is connected with terminal pad.
In above-mentioned valve pressure testing machine, between the terminal pad described in two and corresponding support, be equipped with and can make the rotating mechanism of this terminal pad around its radial line flip vertical, on rotating mechanism, be provided with and valve can be fixed on to the fixed mechanism on terminal pad.Two terminal pads all can overturn reduced valve by lifting after the requirement of institute stop place, according to lifting late gate present position situation, upset makes the sealing surface of this terminal pad in horizontality near the terminal pad of valve, obviously valve and terminal pad under this state than sealing surface terminal pad under vertical state be connected more easily dock and install fixing.Fixed mechanism can be fixed on valve more easily between two terminal pads and improve fixing firmness; Except this this fixed mechanism can also make terminal pad just valve is fixed on terminal pad in the time of horizontality, avoid terminal pad valve in the time of upset to occur departing from terminal pad or shaking phenomenon.
In above-mentioned valve pressure testing machine, described rotating mechanism comprises the holder that is connected mutually with terminal pad and the 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 support, the piston rod of oil cylinder three is hinged on holder, a side of the pin joint place straight line between the cylinder body of tie point between holder and support and oil cylinder three and support of the pin joint between piston rod and the holder of oil cylinder three.Holder both sides simultaneously with between be rotationally connected and improve firmness that holder is connected and the stability of rotation.In the time driving oil cylinder three, piston rod stretches and then drives holder circumferentially to rotate around the connecting line between holder and support.Adopt that hydraulic oil cylinder driving has that acting force is large, motion stabilization and control advantage easily.In general, the connecting line between holder and support and the axle center of terminal pad have joining, and this Structure Decreasing is positioned at the amplitude of fluctuation of valve on terminal pad in terminal pad rotation process, dwindles required space.
In above-mentioned valve pressure testing machine, on described holder, be fixed with jointed shaft, piston rod and the jointed shaft of described oil cylinder three are hinged; On described support, have the locating slot being positioned on the movable stroke of jointed shaft, and the sidewall of jointed shaft and the sidewall of locating slot described in holder is during in vertical state leans.
In above-mentioned valve pressure testing machine, described fixed mechanism comprises the briquetting that several are circumferentially evenly distributed on flexible connection dish or are fixedly connected with dish outside, and each described briquetting is all connected with holder by bolt and nut.
In above-mentioned valve pressure testing machine, described fixed mechanism comprises three briquettings that are circumferentially evenly distributed on terminal pad outside, on each described briquetting, be all connected with 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 can make one of them oil cylinder four move radially with respect to terminal pad; Two oil cylinders four in one end of two pull bars and all the other are corresponding being connected one by one, the both sides of the described oil cylinder four being connected with oil cylinder five are equipped with the fork that a middle part and holder are hinged, one end of two forks is all hinged with the oil cylinder four being connected with oil cylinder five, the other end corresponding being hinged one by one of the other end and pull bar.
In above-mentioned valve pressure testing machine, on described holder, have the gathering sill and the bar shaped resigning hole that are positioned in corresponding terminal pad radial line, on the cylinder body of oil cylinder four, there is guiding convex body, described guiding convex body embeds in gathering sill, and the piston rod of oil cylinder four is connected with briquetting mutually through resigning hole.
In above-mentioned valve pressure testing machine, described terminal pad middle part all has water-through and ventilating hole, and described frame is provided with water pump, and the import of water pump is positioned at the bottom place of water storage cavity, and water delivery side of pump is connected with water-through and ventilating hole by pipeline.This water pump is that the pressure of its supply water of high-pressure hydraulic pump meets the required force value of test valve.While utilizing this pressure testing machine test valve, reserve tank domestic demand stores appropriate water, 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 water when adopting air dielectric test valve.
Compared with prior art, this valve pressure testing machine has the following advantages:
1, the motion of all parts all adopts hydraulic oil cylinder driving, so it is large to have acting force, meets 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 to required in-position, also facilitated valve is fixed on this pressure testing machine simultaneously.
3, fixed mechanism improved valve be fixed firmness and guarantee while realizing terminal pad upset valve there will not be and depart from and shaking phenomenon.
4, this valve pressure testing machine also has advantages 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 completely.
Brief description of the drawings
Fig. 1 is the perspective view of this valve pressure testing machine.
Fig. 2 is that Fig. 1 removes the perspective view after frame.
Fig. 3 is that Fig. 2 removes the perspective view after 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.
In 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
Be below specific embodiments of the invention 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.
As shown in Figures 1 to 5, this valve pressure testing machine comprises frame 1, base 2 and terminal pad 3.Specifically, frame 1 has the water storage cavity 1a that is rectangular-shaped, and it is rectangular-shaped that frame 1 is also, the opening that the top of frame 1 has with water storage cavity 1a communicates and area is identical.
Base 2 is positioned at water storage cavity 1a, and terminal pad 3 is located at the top of base 2.The middle part of terminal pad 3 has water-through and ventilating hole, and the outside in water-through and ventilating hole is provided with O-ring seal, and then can make the end face of valve effectively and between the end face of valve form and seal, and terminal pad 3 is provided with the good airproof performance of the end face of O-ring seal.Frame 1 is provided with high-pressure hydraulic pump, and the import of this water pump is positioned at the bottom place of water storage cavity 1a, and water delivery side of pump is connected with one of them water-through and ventilating hole by pipeline, so directly adopt the water in water storage cavity 1a to test hydraulic pressure test to valve.Obviously this structure has facilitated water intaking also to realize water circulation use, is conducive to save the energy.
Between base 2 and frame 1, be provided with the elevating mechanism that can make base 2 vertically move.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 in 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 in frame 1, and foxy one is fixed on base 2.In the time driving oil cylinder 1, the piston rod of oil cylinder 1 is flexible and then drive base 2 to move up and down with respect to water storage cavity 1a bottom surface, can make thus terminal pad 3 be immersed in water or be positioned on the water surface.
The valve length of different model is not etc., in order to adjust more easily two spacing between terminal pad 3 and more easily valve to be fixed on terminal pad 3, then between two terminal pads 3 and base 2 all by can make this terminal pad 3 near or the pushing mechanism that moves away from terminal pad 3 directions described in another be connected.More particularly, pushing mechanism comprises at the support 6 above base 2, oil cylinder 22 and the guidance set 28 between base 2 and support 6.Terminal pad 3 is arranged on the top place 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 base 2, and foxy two are fixed on support 6.The stability moving in order to improve support 6 arranges two groups of guidance sets that are arranged in parallel 28 between base 2 and support 6 simultaneously, and guide rail is parallel with the direction of terminal pad 3 required movements.The cylinder body of oil cylinder 22 is fixed on base 2, and the piston rod of oil cylinder 22 is connected with terminal pad 3, in the time driving any one oil cylinder 22 with this oil cylinder 22 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 move, so make this testing machine can be applicable to the valve that testing length is larger, also have advantages of clamping convenience valve simultaneously.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 are connected with the both ends of the surface of valve respectively, the sealing surface of two terminal pads 3 need be oppositely arranged, and needs sealing surface in vertical state.Between two terminal pads 3 and corresponding support 6, be equipped with and can make the rotating mechanism of this terminal pad 3 around its radial line flip vertical.Specifically, rotating mechanism comprises the holder 9 being connected mutually with terminal pad 3 and be provided with oil cylinder 3 10 between holder 9 and support 6.On holder 9, be fixed with back shaft, this back shaft from the axle core of terminal pad 3 through and the two ends of back shaft pass and penetrate support 6 from the both sides of holder 9 respectively, between support 6 and back shaft, be provided with bearing, and then holder 9 and support 6 be rotationally connected.So holder 9 can rotate neatly along back shaft axle center, the sealing surface of terminal pad 3 can also can be in horizontality in vertical state.The axle core of terminal pad 3 is positioned at crossing with back shaft axle core, can reduce like this and be positioned at the amplitude of fluctuation that is fixedly connected with valve on dish 3.One sidepiece of holder 9 is fixed with jointed shaft 11, the cylinder body of oil cylinder 3 10 is hinged on support 6, the piston rod of oil cylinder 3 10 and jointed shaft 11 be hinged and piston rod and the jointed shaft 11 of oil cylinder 3 10 between a side of pin joint pin joint place straight line between the cylinder body of tie point and oil cylinder 3 10 between holder 9 and support 6 and support 6.The position that the present embodiment provides be sealing surface when terminal pad 3 during towards another terminal pad 3 and in vertical state jointed shaft 11 be positioned at the below of back shaft.When drive oil cylinder 3 10 when piston rod is stretched out gradually the sealing surface of terminal pad 3 be horizontality from vertical state-transition gradually, otherwise in the time that piston rod shrinks gradually, the state of terminal pad 3 is also.Obviously, in the time that piston rod extension elongation is enough, the sealing surface of terminal pad 3 is in horizontality, more easily relative with the sealing of terminal pad 3 by the end face of valve under this state, and then facilitates installation and improve the sealing between valve and terminal pad 3.After piston rod shrinks back substantially completely, the sealing surface of terminal pad 3 is in vertical state, both ends of the surface at this state lower valve are connected with corresponding terminal pad 3 respectively, the acting force that now terminal pad 3 bears increases, for this reason in order to ensure the stability of terminal pad 3, so on support 6, have the locating slot 12 being positioned on the movable stroke of jointed shaft 11, and when holder 9 during in vertical state the sidewall of jointed shaft 11 and the sidewall of locating slot 12 lean.
On holder 9, be provided with and valve can be fixed on to the fixed mechanism on terminal pad 3, this fixed mechanism has facilitated being tightly connected of valve and terminal pad 3.On holder 9, having three is positioned in corresponding terminal pad 3 radial line and with respect to the circumferential equally distributed gathering sill of terminal pad 3 and bar shaped resigning hole 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 resigning hole 13 corresponding setting one by one, oil cylinder 4 15 and gathering sill also corresponding setting one by one; 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 guiding convex body on the cylinder body of oil cylinder 4 15, and guiding convex body embeds in gathering sill, and the piston rod of oil cylinder 4 15 is connected with briquetting 14 mutually through resigning hole 13.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 applicable to the valve of different flux.Meanwhile, in the time driving the piston rod of oil cylinder 4 15 to stretch, drive briquetting 14 to 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 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 being connected 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 are all arranged on downside and two cross-shaped settings of pull bar 16 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 is connected with the second oil cylinder 4 15, and one end of another root pull bar 16 is connected 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 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 is also hinged with the first oil cylinder 4 15, and the other end of the other end and another root pull bar 16 is hinged.In the time driving oil cylinder 5 18, piston rod is flexible drives the first oil cylinder 4 15 motions, and then drive successively one end of fork 17, the other end, pull bar 16, the second oil cylinder 4 15 and the 3rd oil cylinder 4 15 of fork 17 to move, realize oil cylinder 5 18 and drive the first oil cylinder 4 15 to move along gathering sill direction, synchronous the second oil cylinder 4 15 and the 3rd oil cylinder 4 15 of driving of the first oil cylinder 4 15 moves along 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 actual conditions fixed mechanism, fixed mechanism comprises three briquettings 14 that are circumferentially evenly distributed on terminal pad 3 outsides, and each described briquetting 14 is all connected with holder 9 by bolt and nut.On holder 9, have the fixed orifice that several distribute along terminal pad 3 radial line.
Oil cylinders all in this valve pressure testing machine are all connected with an oil supply mechanism.In this valve pressure testing machine, all oil cylinders all can adopt cylinder to replace.
As shown in Figures 1 to 5, utilize the step of the pressure bearing value of this valve pressure testing machine test valve to be followed successively by: first docking, adjust terminal pad 3 positions according to actual conditions, the sealing surface of one of them terminal pad 3 is in horizontality, by valve to be measured lifting to above-mentioned terminal pad 3 tops, decline gradually make the end face of valve relative with the sealing surface of terminal pad 3 also mutually against.Then fixed valve, drives respectively the oil cylinder four 15 corresponding with the above-mentioned once terminal pad 3 in horizontality and oil cylinder 5 18 that briquetting 14 and the ring flange end face of valve are leant, and then the end of valve and this terminal pad 3 is tightly connected; Drive the oil cylinder three 10 corresponding with above-mentioned terminal pad 3 that this terminal pad 3 is rotated until jointed shaft 11 embeds in locating slot 12 and the side of jointed shaft 11 and the side of locating slot 12 lean; Drive the oil cylinder two 2 corresponding with another terminal pad 3 until another terminal pad 3 leans with the other end of valve; Drive the oil cylinder four 15 corresponding with another terminal pad 3 and oil cylinder 5 18 that corresponding briquetting 14 and the ring flange end face of valve are 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.Finally drive oil cylinder 1 that valve to be measured is immersed in the water, and then adopt air dielectric Back seal test, Shell test and leakage test successively.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendments or supplement 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 more used frame 1 herein; 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 that uses other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (8)
1. a valve pressure testing machine, is characterized in that, it comprises and the have water storage cavity frame (1) of (1a) in water storage cavity (1a), is provided with base (2); Between described base (2) and frame (1), be provided with and can make vertically mobile elevating mechanism of base (2); Described base (2) top is provided with two can be respectively and the valve both ends of the surface corresponding terminal pad being tightly connected (3) one by one, between the terminal pad (3) described at least one and base (2) by making this terminal pad (3) be connected to pushing mechanism close or that move away from the terminal pad described in another (3) direction; Between terminal pad (3) described in two and corresponding support (6), be equipped with and can make the rotating mechanism of this terminal pad (3) around its radial line flip vertical, on rotating mechanism, be provided with and valve can be fixed on to the fixed mechanism on terminal pad (3); Described rotating mechanism comprise the holder (9) being connected mutually with terminal pad (3) and be positioned at holder (9) and support (6) between oil cylinder three (10); Both sides and the support (6) of described holder (9) are rotationally connected; The cylinder body of described oil cylinder three (10) is hinged on support (6), it is upper that the piston rod of oil cylinder three (10) is hinged on holder (9), and the pin joint between the piston rod of oil cylinder three (10) and holder (9) is positioned at a side of pin joint place straight line between the cylinder body of tie point and oil cylinder three (10) between holder (9) and support (6) and support (6).
2. valve pressure testing machine according to claim 1, it is characterized in that, described elevating mechanism comprises that oil cylinder one (4) and at least two groups that are positioned between base (2) and frame (1) are arranged on the guidance set one (5) in base (2) outside; It is upper that the cylinder body of described oil cylinder one (4) is fixed on 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 it is upper that guide rail one vertically arranges and be fixed on frame (1), and foxy one is fixed on base (2).
3. valve pressure testing machine according to claim 1 and 2, it is characterized in that, between the terminal pad (3) described in two and base (2) all by can make this terminal pad (3) near or the pushing mechanism that moves away from the terminal pad described in another (3) direction be connected.
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 support (6), described guidance set two (8) is positioned between support (6) and base (2), described guidance set two (8) comprises guide rail two and foxy two, it is upper that guide rail two is horizontally disposed with and is fixed on base (2), and foxy two are fixed on support (6); It is upper that the cylinder body of described oil cylinder two (7) is fixed on base (2), and the piston rod of oil cylinder two (7) is connected with terminal pad (3).
5. valve pressure testing machine according to claim 1, it is characterized in that, on described holder (9), be fixed with jointed shaft (11), piston rod and the jointed shaft (11) of described oil cylinder three (10) are hinged; On described support (6), have the locating slot (12) being positioned on the movable stroke of jointed shaft (11), and the sidewall of jointed shaft (11) and the sidewall of locating slot (12) described in holder (9) is during in vertical state leans.
6. valve pressure testing machine according to claim 1, it is characterized in that, described fixed mechanism comprises that several are circumferentially evenly distributed on the briquetting (14) in terminal pad (3) outside, and each described briquetting (14) is all connected with holder (9) by bolt and nut.
7. valve pressure testing machine according to claim 1, it is characterized in that, described fixed mechanism comprises three briquettings (14) that are circumferentially evenly distributed on terminal pad (3) outside, on each described briquetting (14), be all connected with 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 can make one of them oil cylinder four (15) move radially with respect to terminal pad (3); One end of two pull bars (16) and all the other two oil cylinders four (15) corresponding being connected one by one, the both sides of the described oil cylinder four (15) being connected 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) is all hinged with the oil cylinder four (15) being connected with oil cylinder five (18), the other end corresponding being hinged one by one of the other end and pull bar (16).
8. valve pressure testing machine according to claim 7, it is characterized in that, on described holder (9), have the gathering sill and the bar shaped resigning hole (13) that are positioned in corresponding terminal pad (3) radial line, on the cylinder body of oil cylinder four (15), there is guiding convex body, described guiding convex body embeds in gathering sill, and the piston rod of oil cylinder four (15) is connected with briquetting (14) mutually through resigning hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312797.XA CN102829969B (en) | 2011-01-17 | 2011-01-17 | Valve pressure tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210312797.XA CN102829969B (en) | 2011-01-17 | 2011-01-17 | Valve pressure tester |
Related Parent Applications (1)
| 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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| Publication Number | Publication Date |
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| CN102829969A CN102829969A (en) | 2012-12-19 |
| CN102829969B true 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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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104062085B (en) * | 2013-03-21 | 2017-02-08 | 中国石油天然气集团公司 | Pressure testing apparatus of pipeline blocking valve |
| 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 |
| 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 |
| CN113532846B (en) * | 2021-09-14 | 2021-11-30 | 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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| CN2050163U (en) * | 1988-05-19 | 1989-12-27 | 永嘉县振华机械厂 | Valve-testing machine |
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| 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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| Publication number | Publication date |
|---|---|
| CN102829969A (en) | 2012-12-19 |
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