CN207095801U - Constant pressure flow-type valve tightness detection device - Google Patents
Constant pressure flow-type valve tightness detection device Download PDFInfo
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- CN207095801U CN207095801U CN201720622646.2U CN201720622646U CN207095801U CN 207095801 U CN207095801 U CN 207095801U CN 201720622646 U CN201720622646 U CN 201720622646U CN 207095801 U CN207095801 U CN 207095801U
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- Prior art keywords
- lower lock
- lock block
- valve
- liquid
- cylinder
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Abstract
The utility model discloses a kind of constant pressure flow-type valve tightness detection device,Centre-pivoted butterfly valve is placed on lower lock block,The distance of upper holder block and lower lock block is adjusted by the first cylinder and the 3rd cylinder,The flap portion of center line butterfly valve is sealed,Then,Pass through booster pump,Auxiliary liquid case is to liquid reserve tank,Lower lock block cavity and the supercharging of its connecting line,After reaching certain pressure,Close the second shut-off valve,In test process is carried out,Circulate pump work,So that the liquid of measurement is in liquid reserve tank,Lower lock block cavity and its connecting line are circulated,Measured using the water of flowing,Pressure of the flap of valve except receiving liquid itself,Also receive the impulse force of liquid flowing,Among reality,When actual use,Liquid in pipeline is often what is flowed,Therefore,Using this measurement structure,So that measurement structure is more accurate,The sealing of valve can preferably be tested out.
Description
Technical field
The utility model belongs to centre-pivoted butterfly valve processing technique field, more particularly to a kind of inspection of constant pressure flow-type valve tightness
Measurement equipment.
Background technology
Centre-pivoted butterfly valve is a kind of part for being used for realizing pipe-line system break-make and flow control, in oil, chemical industry, smelting
Obtain applying extremely widely in many fields such as gold, water power.The architectural feature of centre-pivoted butterfly valve be rotating shaft core, butterfly plate center,
Body central is on same position.
The flap water tightness of centre-pivoted butterfly valve is detected as a procedure of centre-pivoted butterfly valve processing.Currently, the water of centre-pivoted butterfly valve
Leak-testing apparatus is non-standard equipment, and therefore, in order to meet use demand, the application devises a kind of constant pressure flow-type valve
Leak-testing apparatus.
Utility model content
For above-mentioned use demand, this application provides a kind of constant pressure flow-type valve tightness detection device.
To realize the purpose of this utility model, the utility model provides a kind of constant pressure flow-type valve tightness detection and set
Standby, including main backstop, the main backstop includes the column of 4 rhizosphere squarelys, the column at left and right sides of main backstop upper end
Connected respectively by connecting rod, the connecting rod of the left and right sides is connected by fix bar, and the fix bar lower end is provided with the
One cylinder, the piston rod of the first cylinder is connected with upper holder block, and drives upper holder block to move up and down；It is provided with and pushes below upper holder block
Block, the lower lock block lower end are connected with the 3rd cylinder, and the piston rod of the 3rd cylinder is connected with lower lock block lower end, and drive
Lower lock block moves up and down；The lower lock block is the structure provided with cavity, and the lower lock block upper surface is provided with the connection cavity
Fluid hole, the cavity is connected with shut-off valve, circulating pump, liquid reserve tank in turn by the first pipeline；Set on the liquid reserve tank
There is pressure gauge, the cavity is also connected by the second pipeline with liquid reserve tank, and the liquid reserve tank is sequentially connected the second pass by pipeline
Disconnected valve, booster pump, auxiliary liquid case.
The beneficial effects of the utility model are, are placed on centre-pivoted butterfly valve push compared with the prior art, when use
On block, the distance of upper holder block and lower lock block is adjusted by the first cylinder and the 3rd cylinder, the flap portion progress of center line butterfly valve is close
Envelope, then, liquid reserve tank, lower lock block cavity and its connecting line are pressurized by booster pump, auxiliary liquid case, reach certain pressure
Afterwards, the second shut-off valve is closed, in test process is carried out, circulates pump work so that the liquid of measurement is in liquid reserve tank, lower lock block chamber
Body and its connecting line are circulated, and are measured using the water of flowing, the pressure of the flap of valve except receiving liquid itself
Power, also receives the impulse force of liquid flowing, and among reality, when actual use, the liquid in pipeline is often what is flowed, because
This, using this measurement structure so that measurement structure is more accurate, can preferably test out the sealing of valve.
Brief description of the drawings
Fig. 1 show the schematic diagram of structure first of the application；
Fig. 2 show the part-structure schematic diagram of the application；
Fig. 3 show the sliding shoe of the application and the attachment structure schematic diagram of support block；
In figure, 1- liquid reserve tanks, 2- pressure gauges, 3- shut-off valves, 4- main backstops, 5- upper holder blocks, 6- fix bars, the gas of 7- first
Cylinder, the upper sealing gaskets of 8-, 9- jig arm, 10- sliding shoes, the cylinders of 11- second, 12- support platforms, 13- carriages, 14- reducing motors,
The cylinders of 15- the 3rd, 16- lower lock blocks, 17- limited blocks, 18- circulating pumps, 19- lower seal pads, 20- screw rods, 21- connecting rods, 22- branch
Bracer, the shut-off valves of 23- second, 24- booster pumps, the auxiliary liquid cases of 25-.
Embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.It should be appreciated that this place
The specific embodiment of description only to explain the utility model, is not used to limit the utility model.
It should be noted that " connection " described herein and the word for expressing " connection ", such as " being connected ",
" connected " etc., both it was directly connected to including a certain part and another part, and also passed through miscellaneous part and another portion including a certain part
Part is connected.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.
As Figure 1-3, there is provided a kind of constant pressure flow-type valve tightness detection device, including main backstop 4, it is described
Main backstop 4 includes the column of 4 rhizosphere squarelys, and the column at left and right sides of the upper end of main backstop 4 passes through a connecting rod respectively
21 are welded to connect, and the connecting rod 21 of the left and right sides is welded to connect by fix bar 6, and the lower end of fix bar 6 is welded or passed through
Bolt is provided with the cylinder of the first gas 7, and the piston rod of the first cylinder 7 welds or be bolted upper holder block 5, and drives and press
Block 5 moves up and down；The lower section of upper holder block 5 is provided with lower lock block 16, and the lower end of lower lock block 16 is welded or has been bolted
3rd cylinder 15, the piston rod of the 3rd cylinder 15 are connected with the lower end of lower lock block 16, and drive lower lock block to be transported about 16
It is dynamic；The lower lock block 16 is the structure provided with cavity, and the upper surface of lower lock block 16 is provided with the fluid hole for connecting the cavity,
The cavity is connected with shut-off valve, circulating pump, liquid reserve tank in turn by the first pipeline；Pressure gauge is provided with the liquid reserve tank,
The cavity is also connected by the second pipeline with liquid reserve tank, and the liquid reserve tank is sequentially connected the second shut-off valve, supercharging by pipeline
Pump, auxiliary liquid case.
The utility model using when centre-pivoted butterfly valve is placed on lower lock block, pass through the first cylinder and the 3rd cylinder adjusted
The distance of upper holder block and lower lock block is saved, the flap portion of center line butterfly valve is sealed, then, by booster pump, auxiliary liquid case to storage
Liquid case, lower lock block cavity and the supercharging of its connecting line, after reaching certain pressure, close the second shut-off valve, tested
Cheng Zhong, circulate pump work so that the liquid of measurement is circulated in liquid reserve tank, lower lock block cavity and its connecting line, is used
The water of flowing measures, the pressure of the flap of valve except receiving liquid itself, also receives the impulse force of liquid flowing, and reality is worked as
In, when actual use, the liquid in pipeline is often what is flowed, therefore, using this measurement structure so that measurement knot
Structure is more accurate, can preferably test out the sealing of valve.
In a preferred embodiment, upper holder block 5 and lower lock block 16 are square, and four angles are provided with open-work, by described
Open-work is slidably connected with the column.Upper holder block and lower lock block are oriented to by column so that it is stable, and easily
Reach sealing state.
In a preferred embodiment, it is fixedly connected with limited block 17 on the column of the lower section of the lower lock block 16.
In a preferred embodiment, the lower surface of upper holder block 5 and the upper surface of lower lock block 16 are bonded with sealing gasket respectively
And lower seal pad.
In a preferred embodiment, the upper sealing gasket and lower seal pad are made up of elastomeric material.
Because the end face of valve body is mainly metal structure, therefore, pass through gasket structure so that better tightness.
In a preferred embodiment, portable carriage is also included in the application, the portable carriage includes jig arm
9th, sliding shoe 10, the second cylinder 11, support platform 12, transfer gantry 13, reducing motor 14, the support platform are arranged on conveying
On support, reducing motor, the second cylinder, sliding shoe, support block are provided with the support platform, reducing motor is arranged on support
On block, as support block moves together, the sliding shoe is two, and two sliding shoe lower ends are provided with projection, support block upper end
Face offers sliding groove, and projection is slidably connected in sliding groove, and pile bar 20 is threadedly coupled with two sliding shoes, reducing motor and institute
Screw rod 20 is stated to be connected, and screw rod rotate when, in one direction, two sliding shoes away from direction move,
When screw rod rotates in the other direction, two sliding shoes move towards mutually close direction, on two sliding shoes
A jig arm 9 is connected to, two symmetrical configurations of jig arm 9, medial surface is provided with arcuate structure, to clamp valve body.
Support platform can be higher than lower lock block, when use, butterfly valve to be measured is placed in support platform, two
In the range of jig arm, the distance of two jig arm is controlled by reducing motor, by the second cylinder by longitudinal separation, butterfly valve is clamped
After firmly, using the second cylinder, it is put on lower lock block, when removing, process is opposite.
The carriage is simple in construction, avoids when being directly placed into lower lock block, because part of appliance is more, influence to move asks
Topic.
Although each conception of species has been described in detail, it will be appreciated by a person skilled in the art that for the various of those concepts
It can be achieved under the spirit that modifications and substitutions are integrally instructed disclosed in the utility model.Those skilled in the art are with general
Logical technology can just realize the utility model illustrated in detail in the claims in the case of without undue experimentation.Can be with
Understand, disclosed specific concept is merely illustrative, is not intended to limit the scope of the utility model, and this practicality is new
The scope of type is determined by the four corner of appended claims and its equivalent.
Claims (1)
- A kind of 1. constant pressure flow-type valve tightness detection device, it is characterised in that including main backstop, the main backstop bag Include the column of 4 rhizosphere squarelys, the column at left and right sides of main backstop upper end passes through a connecting rod and connected respectively, the left and right sides Connecting rod connected by fix bar, the fix bar lower end is provided with the first cylinder, and the piston rod of the first cylinder is connected with Briquetting, and drive upper holder block to move up and down；Lower lock block is installed below upper holder block, the lower lock block lower end is connected with the 3rd gas Cylinder, the piston rod of the 3rd cylinder are connected with lower lock block lower end, and drive lower lock block to move up and down；The lower lock block is to set There is the structure of cavity, the lower lock block upper surface is provided with the fluid hole for connecting the cavity, and the cavity passes through the first pipeline It is connected with shut-off valve, circulating pump, liquid reserve tank in turn；Pressure gauge is provided with the liquid reserve tank, the cavity also passes through the second pipe Road connects with liquid reserve tank, and the liquid reserve tank is sequentially connected the second shut-off valve, booster pump, auxiliary liquid case by pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622646.2U CN207095801U (en) | 2017-05-31 | 2017-05-31 | Constant pressure flow-type valve tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720622646.2U CN207095801U (en) | 2017-05-31 | 2017-05-31 | Constant pressure flow-type valve tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207095801U true CN207095801U (en) | 2018-03-13 |
Family
ID=61551573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720622646.2U Active CN207095801U (en) | 2017-05-31 | 2017-05-31 | Constant pressure flow-type valve tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207095801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254952A (en) * | 2020-10-16 | 2021-01-22 | 衢州职业技术学院 | Dried bean curd production line testing arrangement for valve |
-
2017
- 2017-05-31 CN CN201720622646.2U patent/CN207095801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112254952A (en) * | 2020-10-16 | 2021-01-22 | 衢州职业技术学院 | Dried bean curd production line testing arrangement for valve |
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