CN104266800B - Air impermeability detecting table for sluice valve - Google Patents
Air impermeability detecting table for sluice valve Download PDFInfo
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- CN104266800B CN104266800B CN201410472269.XA CN201410472269A CN104266800B CN 104266800 B CN104266800 B CN 104266800B CN 201410472269 A CN201410472269 A CN 201410472269A CN 104266800 B CN104266800 B CN 104266800B
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Abstract
The invention relates to an air impermeability detecting table for a sluice valve. The air impermeability detecting table for the sluice valve comprises a clamping table. A sealing table is arranged in the middle of the upper end surface of the clamping table, an air supply hole is formed in the center of the sealing table, and clamping jaws are evenly arranged around the sealing table. A left supporting pillar and a right supporting pillar are correspondingly arranged at the left side and the right side of the upper end surface of the clamping table respectively, a movable compression frame is arranged above the clamping table, a groove is formed in the right portion of the upper end surface of the movable compression frame, a transverse kidney-shaped hole is formed in the middle of the bottom surface of the groove, a round hole is formed in the right portion of the bottom surface of the groove, a notch is formed in the left side of the movable compression frame, a strip-shaped opening is formed in the bottom of the notch, a connector is arranged inside the round hole in a communicating mode, an adapting connection rod is arranged at the upper end of the connector, the adapting connection rod can rotate on the connector, a left threaded rod is fixedly connected to the adapting connection rod, a compression hydraulic cylinder is fixed inside the kidney-shaped hole, and a visible pressing frame is fixed to the lower end of the compression hydraulic cylinder. According to the air impermeability detecting table for the sluice valve, a compression ring is adopted to compress the circumference of a valve body, the condition of uneven clamping generated when the clamping jaws are adopted for clamping is avoided, and the compression hydraulic cylinder can be adjusted on a two-dimensional plane.
Description
Technical field
The present invention relates to detection means technical field, specifically a kind of gate valve airtightness test table.
Background technology
In valve manufacturing enterprise, valve will carry out air tightness test after offline, and conventional method of testing is：First
By valve closing, then by a flange screw of valve on testboard, testboard is provided with venthole, when valve and test
After forming sealed environment between platform, water is filled up the opposite side of valve, open the venthole on testboard simultaneously, see that valve is another
Bubble whether is had to emerge in the water of side, to judge whether valve tightness are good.Close between valve and testboard in order to ensure
Closing property, prevents the gas sealing intracavity from revealing between valve and testboard, impact test effect, and testboard is typically provided with pressure
The claw of tight gate valve body, because the power of the gate valve body of claw compression is larger, the size of claw is generally also larger, when to bore
When less valve is tested, claw is using inconvenience, and claw is little with valve body contact area, and pressure is larger, easily to valve body
Quality produces impact, or even valve body is damaged by pressure.
Content of the invention
In order to increase the scope of application of monitor station, make monitor station easy to use, flexibly, suitable dimensions are wide for adjustment, and to valve
The compression of body does not easily cause valve body and damages, and the present invention provides a kind of gate valve airtightness test table.
The present invention solves its technical problem and employs the following technical solutions to realize：
A kind of gate valve airtightness test table, including clamping platform, is provided with sealing station in the middle part of described clamping platform upper surface, described close
Envelope platform central authorities are provided with air vent, are uniformly provided with the claw for the valve body that is fixed and clamped, described clamping platform upper surface around sealing station
Arranged on left and right sides is correspondingly provided with left support post, right support post respectively, is provided with movable clamping frame, described activity compression above clamping platform
The upper surface right part of frame is provided with groove, is provided with horizontal waist-shaped hole in the middle part of described groove floor, and groove floor right part is provided with circular hole,
It is provided with recess, described notched bottoms are provided with strip shape gob, the side that described strip shape gob is bolted on the left of described activity clamping frame
Formula is fixed on left support post upper end, is connected with union joint in described circular hole, and movable clamping frame is pressed on right support by described union joint
The upper end of post, the mode that the lower end of union joint is bolted is fixed on right support post upper end, and the upper end of union joint is provided with and turns
Extension bar, described adapting rod can rotate on union joint, adapting rod is fixed with left-hand thread bar, is fixed with compression in described waist-shaped hole
Hydraulic cylinder, described compression hydraulic cylinder top is cased with connecting hoop, and described connecting hoop is fixed with right-hand thread bar, described right-hand thread bar with
It is connected with lengthening nut between left-hand thread bar, lengthen nut by rotating, the distance between scalable left-hand thread bar and right-hand thread bar,
So that compression hydraulic cylinder slides in waist-shaped hole, so that the lower end of compression hydraulic cylinder is moved left and right, adapt to compression hydraulic cylinder lower end
The particular location of valve body, described compression hydraulic cylinder lower end is fixed with and facilitates operator to observe in valve body to have that bubble-free emerges is visual
Pressure rack.
Described visual pressure rack includes connection sheet, is provided with hold-down ring, sets between connection sheet and hold-down ring below described connection sheet
There is pressure foot, the internal diameter of described hold-down ring is more than the diameter of connection sheet, visual pressure rack is in integrally round table-like, and pressure foot plays and is fixedly connected
Piece and the effect of hold-down ring.
Described activity clamping frame left end is provided with handle, movable clamping frame can be made to rotate by push and pull bar, adjusts compression liquid
Cylinder pressure position in the horizontal plane.
The invention has the beneficial effects as follows：The present invention adopts vertical check mode, by claw clamping mode and compression hydraulic cylinder
Compression mode combines, and compression is more reliable, and carries out circumference compression using hold-down ring to valve body, it is to avoid using during claw clamping
Occur clamping uneven, the situation of gas leakage between valve body and monitor station, compression hydraulic cylinder lower end be fixed with visual pressure rack so that
Compression hydraulic cylinder, while top compresses, does not affect testing staff and is seen from above.Carry out for different model gate valve
During detection, can be rotated around union joint by making movable clamping frame, and combine rotation lengthening nut, make compression hydraulic cylinder along waist-shaped hole
Move left and right, play the purpose that compression hydraulic cylinder is adjusted flexibly on two dimensional surface.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the three-dimensional view of the movable clamping frame of the present invention；
Fig. 4 is the three-dimensional view of the visual pressure rack of the present invention.
Specific embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention realizes are easy to understand, tie below
Conjunction is specifically illustrating, and the present invention is expanded on further.
As shown in Figures 1 to 4, a kind of gate valve airtightness test table, including clamping platform 1, in the middle part of described clamping platform 1 upper surface
It is provided with sealing station 2, described sealing station 2 central authorities are provided with air vent 4, are uniformly provided with for the valve body that is fixed and clamped around sealing station 2
Claw 3, described clamping platform 1 upper surface arranged on left and right sides is correspondingly provided with left support post 5, right support post 6 respectively, sets above clamping platform 1
There is movable clamping frame 7, the upper surface right part of described activity clamping frame 7 is provided with groove 10, is provided with horizontal stroke in the middle part of described groove 10 bottom surface
To waist-shaped hole 19, groove 10 bottom surface right part is provided with circular hole 20, is provided with recess 9, described recess 9 on the left of described activity clamping frame 7
Bottom is provided with strip shape gob 18, and the mode that described strip shape gob 18 is bolted is fixed on left support post 5 upper end, described circular hole 20
Inside it is connected with union joint 17, movable clamping frame 7 is pressed on the upper end of right support post 6, the lower end of union joint 17 by described union joint 17
The mode being bolted is fixed on right support post 6 upper end, and the upper end of union joint 17 is provided with adapting rod 16, described adapting rod 16
On be fixed with left-hand thread bar 13, adapting rod 16 can rotate on union joint 17, and adapting rod 16 is flexibly connected with union joint 17, can be by
Union joint 17 is separated, when union joint 17 is tightened on the right side with connecting moves and the position holding action of adapting rod 16 of right support post 6
During support column 6 upper end, adapting rod 16 and left-hand thread bar 13 can be constant with holding position, thus not affecting consolidating of left-hand thread bar 13
Fixed, it is fixed with the compression hydraulic cylinder 11 for compressing valve body in described waist-shaped hole 19, described compression hydraulic cylinder 11 top is cased with even
Box cupling 12, described connecting hoop 12 is fixed with right-hand thread bar 15, is connected with and adds between described right-hand thread bar 15 and left-hand thread bar 13
Long nut 14, lengthens nut 14 by rotating, the distance between scalable left-hand thread bar 13 and right-hand thread bar 15, so that compression liquid
Cylinder pressure 11 horizontally slips in waist-shaped hole 19, so that the lower end of compression hydraulic cylinder 11 is moved left and right, and adapts to compression hydraulic cylinder 11 lower end
The particular location of valve body, described compression hydraulic cylinder 11 lower end be fixed with facilitate operator to observe in valve body to have bubble-free emerges can
Depending on pressure rack 21.
Described visual pressure rack 21 includes connection sheet 22, is provided with hold-down ring 24, connection sheet 22 and pressure below described connection sheet 22
It is provided with pressure foot 23, the internal diameter of described hold-down ring 24 is more than the diameter of connection sheet 22, and visual pressure rack 21 is overall to be in circle between tight ring 24
Mesa-shaped, so as testing staff can conveniently observe within hold-down ring 24 valve body in whether have bubble to emerge, with existing claw phase
Hold-down ring 24 compresses evenly, stably ratio.
Described activity clamping frame 7 left end is provided with handle 8, when using, first discharges the left end of movable clamping frame 7, passes through
Push and pull bar 8 can make union joint 17 in circular hole 20 for the movable clamping frame 7 rotate, and adjust compression hydraulic cylinder 11 in the horizontal plane
Position, can also rotate lengthening nut 14 simultaneously, so that compression hydraulic cylinder 11 is moved left and right along waist-shaped hole 19, thus realizing in two dimension
In plane, flexible compresses the position of hydraulic cylinder 11.
Ultimate principle, principal character and the advantages of the present invention of the present invention have been shown and described above.The technology of the industry
, it should be appreciated that the present invention is not restricted to the described embodiments, the simply explanation described in above-described embodiment and description is originally for personnel
The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and its
Equivalent thereof.
Claims (2)
1. a kind of gate valve airtightness test table, including clamping platform, is provided with sealing station in the middle part of described clamping platform upper surface, described sealing
Platform central authorities are provided with air vent, be uniformly provided with claw around sealing station it is characterised in that：Described clamping platform upper surface arranged on left and right sides
It is correspondingly provided with left support post, right support post respectively, above clamping platform, be provided with movable clamping frame, the upper surface of described activity clamping frame
Right part is provided with groove, is provided with horizontal waist-shaped hole in the middle part of described groove floor, and groove floor right part is provided with circular hole, described activity pressure
It is provided with recess, described notched bottoms are provided with strip shape gob, and the mode that described strip shape gob is bolted is fixed on a left side on the left of tight frame
Support column upper end, is connected with union joint in described circular hole, movable clamping frame is pressed on the upper end of right support post by described union joint, even
The mode that the lower end of joint is bolted is fixed on right support post upper end, and the upper end of union joint is provided with adapting rod, described turn
Extension bar can rotate on union joint, and adapting rod is fixed with left-hand thread bar, is fixed with compression hydraulic cylinder in described waist-shaped hole, described
Compression hydraulic cylinder top is cased with connecting hoop, and described connecting hoop is fixed with right-hand thread bar, described right-hand thread bar and left-hand thread bar it
Between be connected with lengthening nut, described compression hydraulic cylinder lower end is fixed with visual pressure rack；
Described visual pressure rack includes connection sheet, is provided with hold-down ring below described connection sheet, is provided with pressure between connection sheet and hold-down ring
Foot, the internal diameter of described hold-down ring is more than the diameter of connection sheet.
2. a kind of gate valve airtightness test table according to claim 1 it is characterised in that：Described activity clamping frame left end sets
There is handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472269.XA CN104266800B (en) | 2014-09-16 | 2014-09-16 | Air impermeability detecting table for sluice valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410472269.XA CN104266800B (en) | 2014-09-16 | 2014-09-16 | Air impermeability detecting table for sluice valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266800A CN104266800A (en) | 2015-01-07 |
| CN104266800B true CN104266800B (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410472269.XA Active CN104266800B (en) | 2014-09-16 | 2014-09-16 | Air impermeability detecting table for sluice valve |
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| CN (1) | CN104266800B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677562A (en) * | 2015-02-26 | 2015-06-03 | 天津银河阀门有限公司 | Full-automatic butterfly valve sealing performance testing machine and testing method thereof |
| CN106017805A (en) * | 2016-06-16 | 2016-10-12 | 重庆长安汽车股份有限公司 | Plugging tool for air tightness detection of battery pack |
| CN106482908B (en) * | 2016-11-04 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | A kind of cylinder body leak test blocks fixture manually |
| CN113252248A (en) * | 2021-05-13 | 2021-08-13 | 中海石油气电集团有限责任公司 | Leak detection device and using method thereof |
| CN114441113A (en) * | 2022-01-20 | 2022-05-06 | 山东省农业机械科学研究院 | Air-suction seed sowing device air tightness detection system and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4303537B2 (en) * | 2003-08-27 | 2009-07-29 | 株式会社日立製作所 | Pressure reducer |
| CN100585357C (en) * | 2008-05-07 | 2010-01-27 | 常州市科信燃气设备有限公司 | Voltage-regulating transformer valve body detection device |
| CN102384825B (en) * | 2011-11-09 | 2014-07-30 | 福建省海洋阀门科技有限公司 | Air tightness detection device for gate valve |
| CN102645330B (en) * | 2012-04-25 | 2015-05-20 | 江南大学 | Shifting clamping mechanism of safety valves |
| CN203287163U (en) * | 2013-05-08 | 2013-11-13 | 蔡金泉 | Seal detection device for valve |
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| CN104266800A (en) | 2015-01-07 |
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