CN104483073A - Pressurizing device for horizontally closing valve plate of pneumatic butterfly valve - Google Patents
Pressurizing device for horizontally closing valve plate of pneumatic butterfly valve Download PDFInfo
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- CN104483073A CN104483073A CN201410796354.1A CN201410796354A CN104483073A CN 104483073 A CN104483073 A CN 104483073A CN 201410796354 A CN201410796354 A CN 201410796354A CN 104483073 A CN104483073 A CN 104483073A
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- valve
- butterfly valve
- pressing plate
- pressue device
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Abstract
The invention relates to a pressurizing device for horizontally closing a valve plate of a pneumatic butterfly valve. The pressurizing device is characterized in that the pressurizing device is provided with a bracket, the bracket comprises a top plate, a bottom plate and two vertical support columns, the top plate and the bottom plate are horizontally placed, the two vertical support columns are positioned on the two sides and fixed between the top plate and the bottom plate, a horizontal pressing plate is arranged between the top plate and the bottom plate, and the pressing plate is arranged on the two vertical support columns respectively in a sleeving manner through guide holes and can move up and down; a cylinder is vertically and fixedly arranged in the center of the top plate, a piston rod of the cylinder penetrates through a piston rod through hole formed in the top plate, and the end part of the piston rod is fixedly connected to the pressing plate; a detachable embedded plate is arranged at the bottom of the pressing plate, two pressing heads are symmetrically arranged on the bottom surface of the embedded plate with a central line as the center, the sizes of the two pressing heads correspond to the dimension of the valve plate of the butterfly valve to be closed, limit pads for positioning and placing the butterfly valve are arranged on the bottom plate and correspond to the two pressing heads, and the cylinder is connected with a gas source through a pneumatic switch and a pressure regulating valve. The pressurizing device has the advantages that the running is reliable, the labor intensity of operators is reduced, and the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of butterfly valve assembling process auxiliary process equipment, particularly relate to a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device.
Background technology
Butterfly valve is because its structure is simple, volume is little, lightweight, conveniently opening and closing is laborsaving rapidly and have good fluid handling properties and be widely used in the industrial circles such as oil, coal gas, chemical industry, water treatment.Butterfly valve mainly comprises valve body, valve seat, valve plate and valve shaft, is generally applied in cylindrical channel, in using, its disc valve plate perpendicular to Pipe installing, and centered by valve shaft axle reciprocating rotary between 0 ° ~ 90 °, realize full cut-off standard-sized sheet.In butterfly valve manufacture process, when carrying out valve assembling, before valve shaft, valve plate are fixed after installing, the test of pressure-resistant seal performance must be carried out according to the pressure of applying working condition to valve.Need close valve plate during test, form closed cavity in valve, whether then water or gas are injected in pressurization, revealed, determine butterfly valve internal cavity closed pressure resistant performance by observation water or gas.But when butterfly valve assembles aborning, valve plate is in inclination opening state, before pressure testing, by operating personnel, valve plate must be turned to horizontal closed position from obliquity.At present, the operation of this valve plate horizontal closed adopts hand valve plate closing pressue device, existing valve plate closed pressurizing device is manual gear, tooth bar mechanical drive pressue device, by rotating handwheel, the cylindrical rack engaged with it by gear driven is descending, being pressed down by top-pressure part makes valve plate reach closure state, and afterwards, top-pressure part is again by spring reset.Adopt rack and pinion engagement to drive and spring reset physical construction, easily produce fault, especially need manually to operate in operation, labor intensity of operating staff is large, and waste time and energy, production efficiency is low.
Summary of the invention
Fundamental purpose of the present invention is for the problems referred to above, a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device is provided, replace armstrong's patent mechanism by automatic pneumatic mechanism, reach reliable, reduce labor intensity of operating staff, time saving and energy saving, ensure the airtight good and effect of enhancing productivity of valve plate level.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of Pneumatic butterfly valve valve plate horizontal closed pressue device, it is characterized in that being provided with support, described support comprises top board, the base plate of level storing and is fixed on the vertical support column of two between top board, base plate in both sides, between described top board and base plate, arrange horizontal pressure foot, described pressing plate can be moved up and down by the guide hole that its both sides are arranged and be set on described two vertical support columns; Be fixedly installed the cylinder of a vertical set at ceiling center, the piston rod via hole that cylinder piston rod is arranged through top board, its end winding support is connected on pressing plate; Bottom pressing plate, replaceable panel is set with described cylinder concentricity line, correspondingly with butterfly valve plate specification to be closed in described panel bottom surface centered by described center line, be symmetrical arranged two top pressure heads, described base plate pushes up with described two pressure head is corresponding to be arranged for locating the spacing pad placing butterfly valve, and described cylinder is connected source of the gas by pneumatic switch with pressure regulator valve.
Orienting sleeve is provided with in the guide hole that described pressing plate both sides are arranged.
The plate body of described replaceable panel to be section be swallow-tail form, and be installed on bottom pressing plate by inserting bottom described pressing plate replaceable in the corresponding dovetail groove offered.
Described piston rod is fixedly connected on described pressing plate by the adapter sleeve that is threaded with it and set nut.
Described top pressure head is one-body molded that is made up of Upper cylindrical link, all flanges of middle part ring and bottom round end cone-shaped body.
Described spacing pad is a rubber cushion with the diameter round boss corresponding with butterfly valve seat diameter of bore to be closed, and described butterfly valve enters in the endoporus of its valve seat to be horizontally positioned on base plate by described round boss setting-in.
In the bottom of described base plate, leg is set.
The invention has the beneficial effects as follows: a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device is provided, armstrong's patent gear train of the prior art is instead of by automatic pneumatic gear train, during work, only pneumatic switch need be opened, namely promote top pressure head by cylinder piston rod to run downwards, top pressure valve plate is up to the standard closure state, use this pneumatic means reliable, reduce labor intensity of operating staff, time saving and energy saving, ensure that valve plate level is airtight good and enhance productivity.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention;
Fig. 2 is the left view (air inlet pipeline omission) of Fig. 1;
Fig. 3 is the A-A view (air inlet pipeline omission) of Fig. 1;
Fig. 4 is application schematic diagram of the present invention.
In figure: 1 cylinder, 2 nuts, 3 packing rings, 4 top boards, 5 support columns, 6 pressing plates, 61 dovetail grooves, hexagonal cone end holding screw in 7,8 orienting sleeves, 9 panels, 10 base plates, 11 legs, 12 piston rods, 13 set nuts, 14 adapter sleeves, 15 top pressure heads, 16 spacing pads, 16a round boss, 17-18 fillister head screw, 19 baffle plates, 20 butterfly valves, 20a valve plate, 21 air inlet pipelines, 22 pneumatic switchs, 23 pressure regulator valves, 24 tensimeters, 25 worktable.
Below in conjunction with drawings and Examples to the detailed description of the invention.
Embodiment
Fig. 1 ~ Fig. 3 illustrates a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device, it is characterized in that being provided with support, and described support comprises top board 4, the base plate 10 of level storing and is fixed on the vertical support column 5 of two between top board, base plate in both sides.The present embodiment is a square set, the two ends of support column 5 be provided with take up top board, base plate shoulder and there is threaded ends, the hole that support column two ends are each passed through top board, base plate both sides are offered, and be fixedly connected with top board, base plate by the nut 2 that is sleeved on threaded ends, packing ring 3.In the bottom of base plate 10, leg 11 is set.In the present embodiment, leg have employed fillister head screw, and sleeping dress is fixed in the counterbore of base plate corner.
Between described top board 4 and base plate 10, arrange horizontal pressure foot 6, described pressing plate 6 can be moved up and down by the guide hole that its both sides are arranged and be set on described two support columns 5.In the guide hole that described pressing plate both sides are arranged, be provided with orienting sleeve 8, orienting sleeve is fixed on pressing plate by interior hexagonal cone end holding screw 7.Orienting sleeve adopts copper orienting sleeve, lubricating and wear-resisting, is convenient to pressing plate and slides up and down.
Be fixedly installed the cylinder 1 of a vertical set in top board 4 central authorities, the piston rod via hole that cylinder piston rod 12 is arranged through top board, its end winding support is connected on pressing plate 6.In actual fabrication, adopt adapter sleeve 14 with threaded hole, adapter sleeve 14 is fixed by screws on pressing plate.Piston rod 12 is fixedly connected on described pressing plate by the adapter sleeve 14 that is threaded with it and set nut 13.
Bottom pressing plate 6, replaceable panel 9 is set with described cylinder 1 concentricity line, as shown in Figure 1, Figure 3, the plate body of described panel 9 to be sections be swallow-tail form, and be installed on bottom pressing plate by inserting bottom described pressing plate 6 replaceable in the corresponding dovetail groove 61 offered.Meanwhile, baffle plate 19 is set in the end of panel 9, after panel 9 inserts dovetail groove 61, is kept off respectively at panel two ends by two baffle plates, and be fixed on pressing plate 6 by fillister head screw 18.
Correspondingly with the specification of the valve plate 20a of butterfly valve 20 to be closed in the bottom surface of described panel 9 centered by described center line, be symmetrical arranged two top pressure heads 15, in this example, top pressure head is one-body molded that is made up of Upper cylindrical link, all flanges of middle part ring and bottom round end cone-shaped body.During installation, top pressure head 15 to be inlaid in by wringing fit with its upper linker in the mounting hole offered panel bottom surface and middle part ring week flange be against panel bottom surface and be fixed on panel.Described base plate 10 pushes up with described two pressure head 15 is corresponding to be arranged for locating the spacing pad 16 placing butterfly valve, spacing pad 16 is a rubber cushion with the diameter round boss 16a corresponding with butterfly valve seat diameter of bore to be closed, in this example, spacing pad is a circular rubber cushion, and described butterfly valve enters in the endoporus of its valve seat to be horizontally positioned on base plate by described round boss 16a setting-in.Round boss can play good positioning action, also improves work efficiency, the rubber cushion that the butterfly valve of corresponding different size answers preferred dimension corresponding, and also namely the diameter of round boss of rubber cushion and the latus rectum size of the ring-shaped valve seats endoporus of butterfly valve match.Cylinder 1 is connected source of the gas by pneumatic switch 22 with pressure regulator valve 23, and air inlet pipeline 21 is also provided with tensimeter 24.Butterfly valve due to different size needs to provide different air pressure, and the effect of above-mentioned pressure regulator valve is just to provide corresponding pressure, prevents that air pressure is excessive damages valve plate by pressure, and air pressure is too small does not have pressing effect.Above-mentioned pneumatic switch, cuts out source of the gas when switching knob is placed in centre position, restPoses; When switching knob is placed in downstream position, the descending pressing valve plate of panel; When switching knob is placed in upward position, panel is up returns initial position, end-of-job
As shown in Figure 4, this device is placed on worktable 25.During operation, first butterfly valve 20 enters in the latus rectum of its ring-shaped valve seats to be horizontally positioned on base plate 10 with the round boss 16a setting-in of spacing pad 16 by operating personnel.Observe the pressure indicator of tensimeter 24, by pressure regulator valve 23 by air pressure adjustment to appropriate value.Open pneumatic switch 22, switching knob is placed in downstream position, the piston rod 12 of cylinder 1 is descending and promote pressing plate 6 and move downward, top pressure head 15 is thereupon descending, first, wherein a top pressure head 15 contacts side oblique valve plate 20a on and is pressed down, until two push up pressure heads 15 and are pressed on valve plate simultaneously, by valve plate pressing, make valve plate 20a become horizontal closed state, so far, switching knob is placed in upward position, panel is up returns initial position, end-of-job.
The above is only the preferred embodiments of the present invention, not does any pro forma restriction to shape of the present invention and structure.Every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (7)
1. a Pneumatic butterfly valve valve plate horizontal closed pressue device, it is characterized in that being provided with support, described support comprises top board, the base plate of level storing and is fixed on the vertical support column of two between top board, base plate in both sides, between described top board and base plate, arrange horizontal pressure foot, described pressing plate can be moved up and down by the guide hole that its both sides are arranged and be set on described two vertical support columns; Be fixedly installed the cylinder of a vertical set at ceiling center, the piston rod via hole that cylinder piston rod is arranged through top board, its end winding support is connected on pressing plate; Bottom pressing plate, replaceable panel is set with described cylinder concentricity line, correspondingly with butterfly valve plate specification to be closed in described panel bottom surface centered by described center line, be symmetrical arranged two top pressure heads, described base plate pushes up with described two pressure head is corresponding to be arranged for locating the spacing pad placing butterfly valve, and described cylinder is connected source of the gas by pneumatic switch with pressure regulator valve.
2. a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device according to claim 1, is characterized in that being provided with orienting sleeve in the guide hole arranged in described pressing plate both sides.
3. a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device according to claim 2, it is characterized in that described replaceable panel to be section be the plate body of swallow-tail form, and be installed on bottom pressing plate by inserting bottom described pressing plate replaceable in the corresponding dovetail groove offered.
4. a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device according to claim 1,2 or 3, is characterized in that described piston rod is fixedly connected on described pressing plate by the adapter sleeve that is threaded with it and set nut.
5. a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device according to claim 1,2 or 3, is characterized in that described top pressure head is one-body molded that is made up of Upper cylindrical link, all flanges of middle part ring and bottom round end cone-shaped body.
6. a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device according to claim 1,2 or 3, it is characterized in that described spacing pad is a rubber cushion with the diameter round boss corresponding with butterfly valve seat diameter of bore to be closed, described butterfly valve enters in the endoporus of its valve seat to be horizontally positioned on base plate by described round boss setting-in.
7. a kind of Pneumatic butterfly valve valve plate horizontal closed pressue device according to claim 1,2 or 3, is characterized in that arranging leg in the bottom of described base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796354.1A CN104483073A (en) | 2014-12-18 | 2014-12-18 | Pressurizing device for horizontally closing valve plate of pneumatic butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796354.1A CN104483073A (en) | 2014-12-18 | 2014-12-18 | Pressurizing device for horizontally closing valve plate of pneumatic butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104483073A true CN104483073A (en) | 2015-04-01 |
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ID=52757643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410796354.1A Withdrawn CN104483073A (en) | 2014-12-18 | 2014-12-18 | Pressurizing device for horizontally closing valve plate of pneumatic butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104483073A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563107A (en) * | 2016-01-26 | 2016-05-11 | 浙江中控流体技术有限公司 | Mounting assisting equipment of air chamber prepressing |
| CN105855874A (en) * | 2016-05-17 | 2016-08-17 | 鹤山联塑实业发展有限公司 | Multi-station assembling machine for fire retardant rings |
| CN108621077A (en) * | 2018-04-24 | 2018-10-09 | 天津瑞实联精密铸造股份有限公司 | A kind of reliable butterfly valve plate mounting device of fixation |
-
2014
- 2014-12-18 CN CN201410796354.1A patent/CN104483073A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563107A (en) * | 2016-01-26 | 2016-05-11 | 浙江中控流体技术有限公司 | Mounting assisting equipment of air chamber prepressing |
| CN105855874A (en) * | 2016-05-17 | 2016-08-17 | 鹤山联塑实业发展有限公司 | Multi-station assembling machine for fire retardant rings |
| CN105855874B (en) * | 2016-05-17 | 2018-04-10 | 鹤山联塑实业发展有限公司 | A kind of fire trapping ring multistation kludge |
| CN108621077A (en) * | 2018-04-24 | 2018-10-09 | 天津瑞实联精密铸造股份有限公司 | A kind of reliable butterfly valve plate mounting device of fixation |
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Application publication date: 20150401 |
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| WW01 | Invention patent application withdrawn after publication |