CN203949780U - A kind of large-diameter flanged valve hydraulic pressure pressure testing table - Google Patents
A kind of large-diameter flanged valve hydraulic pressure pressure testing table Download PDFInfo
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- CN203949780U CN203949780U CN201420331582.7U CN201420331582U CN203949780U CN 203949780 U CN203949780 U CN 203949780U CN 201420331582 U CN201420331582 U CN 201420331582U CN 203949780 U CN203949780 U CN 203949780U
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- 238000012360 testing method Methods 0.000 title claims abstract description 124
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000006872 improvement Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 239000010425 asbestos Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model is specifically related to a kind of large-diameter flanged valve hydraulic pressure pressure testing table.It increases value pressure test bore scope and nominal pressure scope, and bore will meet DN300-800 with interior value pressure test, and pressure will meet the valve of PN2.5-PN15.0 grade; Safe, practical, easy operating and can precisely control pressure test pressure and alleviate labor strength.For achieving the above object, the technical solution adopted in the utility model comprises pressure testing table body, it is rectangle, in rectangle frame, be horizontally arranged with valve altitude location plate, its both sides arrange porose, the centre of valve altitude location plate is provided with hydraulic jack, the upper and lower two ends of hydraulic jack are provided with prop stand for hydraulic jack plate, prop stand for hydraulic jack plate is arranged with upper sealing panel, seal pad, prop stand for hydraulic jack plate is connected by pivot pin with hydraulic jack, the bottom of pressure testing table body is provided with lower seal plate, on upper sealing panel, be connected with surge tank by connecting line, on surge tank, be connected with test pump by line.
Description
One, technical field:
The utility model is specifically related to a kind of large-diameter flanged valve hydraulic pressure pressure testing table.
Two, background technology:
Early stage value pressure test frock is divided into two kinds of forms---and vertical and horizontal, feature is that pressure is little with mechanic jacks sealing; Adopt manual pressure test pump or motor test pump to carry out pressure testing, the scope of boosting is little, pressure test pressure should not be controlled.
These two kinds of value pressure test frocks be applicable to nominal diameter specification DN200 with interior, pressure rating PN2.5 with interior conventional flange valve pressure testing.
In the time running into nominal diameter and be greater than DN200, pressure rating and exceed the flange valve pressure testing of PN2.5, conventionally adopt two kinds of method pressure testings:
(1) use old-fashioned value pressure test frock to make mechanic jacks pinch valve by manpower, lifting jack clamping torque is inadequate, causes intensity pressure testing to complete thereby easily cause valve flanges place to leak;
(2) in the time carrying out pressure testing with flange and the supporting plugging valve of blind plate, pressure testing step is many and operation is more loaded down with trivial details, the valve of each specification all needs flange and the blind plate of corresponding specifications and models, labour intensity is large and pressure testing efficiency is extremely low, also must have crane cooperation to carry out pressure testing to valve in place simultaneously.
Three, utility model content:
The utility model, in order to solve the weak point in above-mentioned background technology, provides a kind of large-diameter flanged valve hydraulic pressure pressure testing table.
For achieving the above object, the technical solution adopted in the utility model is: a kind of large-diameter flanged valve hydraulic pressure pressure testing table, comprise pressure testing table body, the structure of described pressure testing table body is rectangle, it is characterized in that: in the rectangle frame of described pressure testing table body, be horizontally arranged with valve altitude location plate, the both sides of altitude location plate arrange porose, the centre of described valve altitude location plate is provided with hydraulic jack, the two ends up and down of described hydraulic jack are provided with prop stand for hydraulic jack plate, prop stand for hydraulic jack plate is arranged with upper sealing panel, described seal pad, prop stand for hydraulic jack plate is connected by pivot pin with hydraulic jack, the bottom of described pressure testing table body is provided with lower seal plate, the top of described prop stand for hydraulic jack plate is provided with connecting hole, on described upper sealing panel, be connected with surge tank by connecting line, on surge tank, be connected with test pump by line.
Described pressure testing table body is formed by the Plate Welding of 20mm.
Described pressure testing table body both sides steel plate on be provided with from top to bottom adjustment hole, the pitch-row between adjacent two adjustment holes is 240mm, adjustment hole is corresponding with the hole on valve altitude location plate.
The top of described pressure testing table body is provided with hole for hoist.
Described connecting hole is connected by guide chain with hole for hoist.
Described test pump is motor test pump or manual pressure test pump.
On the upper surface of described upper sealing panel, be provided with pressure testing flange.
Compared with prior art, the advantage and the effect that the utlity model has are as follows:
1, novel increase value pressure test bore scope and nominal pressure scope, bore will meet DN300-800 with interior value pressure test, and pressure will meet the valve of PN2.5-PN15.0 grade.
2, safe, practical, easy operating and can precisely control pressure test pressure.
3, can alleviate labor strength 80%.
4, can increase work efficiency more than 3 times.
5, shorten the valve inspection pressure testing time more than 1 times.
6, efficiently utilize value pressure test mold exploitation a tractor serves several purposes project.
Four, brief description of the drawings:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is left view of the present utility model;
Fig. 3 is vertical view of the present utility model;
Fig. 4 is the enlarged drawing in Tu1Zhong A district;
Reference numeral: 1-pressure testing table body, 2-hydraulic jack, 3-upper sealing panel, 4-prop stand for hydraulic jack plate, 5-valve altitude location plate, 6-lower seal plate, 7-buffering
Tank arrangement, 8-test pump, 9-adjustment hole, 10-hole for hoist, 11-connecting hole, 12-pressure testing flange, 13-pin.
Five, embodiment:
Below in conjunction with the drawings and specific embodiments, the utility model is elaborated:
Referring to Fig. 1-Fig. 4: a kind of large-diameter flanged valve hydraulic pressure pressure testing table, comprise pressure testing table body 1, the top of described pressure testing table body 1 is provided with hole for hoist 10, the structure of described pressure testing table body 1 is rectangle, in the rectangle frame of described pressure testing table body 1, be horizontally arranged with valve altitude location plate 5, the both sides of altitude location plate 5 arrange porose, the centre of described valve altitude location plate 5 is provided with hydraulic jack 2, the two ends up and down of described hydraulic jack 2 are provided with prop stand for hydraulic jack plate 4, prop stand for hydraulic jack plate 4 is arranged with upper sealing panel 3, on the upper surface of described upper sealing panel 3, be provided with pressure testing flange 12, described seal pad 3, prop stand for hydraulic jack plate 4 and hydraulic jack 2 are connected by pivot pin, the bottom of described pressure testing table body 1 is provided with lower seal plate 6, the top of described prop stand for hydraulic jack plate 4 is provided with connecting hole 11, connecting hole 11 is connected by guide chain with hole for hoist 10, entirety up-down adjustment altitude location plate 5, has adapted to different big or small value pressure tests.
On described upper sealing panel 3, be connected with surge tank 7 by connecting line, on surge tank 7, be connected with test pump 8(motor test pump or manual pressure test pump by pipeline).
Described pressure testing table body 1 both sides steel plate on be provided with from top to bottom adjustment hole 9, the pitch-row between adjacent two adjustment holes is 240mm, adjustment hole 9 is corresponding with hole on valve altitude location plate 5 locates by pin 13.
The Plate Welding by 50mm of the utility model pressure testing table body 1 forms, and mainly connects miscellaneous part.Pressure testing table body 1 both sides are distributed with the adjustment hole (pitch-row is 240mm) of M36, conveniently according to the height of valve to upper sealing panel 3 fine tunings highly, pressure testing table body 1 welded top hole for hoist 10 is for hanging guide chain place, and hook guide chain is used for movable hydraulic jack supporting plate 4 herein, hydraulic jack 2 is positioned at the middle part of prop stand for hydraulic jack plate 4, because the height up and down of prop stand for hydraulic jack plate 4 is 120mm, highly regulate by the hydraulic jack that range is 200mm for other, prop stand for hydraulic jack plate 4 and valve altitude location plate 5 are positioned at the top of column 1, prop stand for hydraulic jack plate 4 is to coordinate hydraulic jack height-fine adjustment according to entity height after valve places, regulate after height and locate with altitude location plate 5, with the upper sealing panel 3 seal protection valve flange faces that are positioned at prop stand for hydraulic jack plate 4 belows, be lower seal plate 6 in the bottom of pressure testing table body 1, lower seal plate 6 is to be formed by steel plate (t=50mm) and W.N flange DN400 CL300 assembly welding, be used for increasing lower seal panel stiffness.The whole value pressure test platform of lower seal plate main support, and the lower flange face of seal protection valve.Buffer tank device 7 and test pump device 8 are positioned near of lower seal plate 6; in the main protection of buffer tank device 7 value pressure test process, because the unexpected pressurization of test pump 8 plays buffer action, test pump device 8 Main Functions are upper water in value pressure test process, according to suitably pressurization, pressure release etc. at the uniform velocity of actual conditions.
The utility model technological improvement one: should safety when first design is considered to use, operation is wanted steadily.For reaching safe and reliable, value pressure test frock has adopted hydraulic seal system directly to clamp sealing to valve two ends, and its feature is: pressure is controlled, travelling speed is controlled, compression dynamics is controlled, superpressure can be protected etc.Owing to having adopted hydraulic platform work, its worktable clamping valve is very steady, and thousands of uses do not go wrong repeatedly.
The utility model technological improvement two: for improving value pressure test efficiency, we adopt motor test pump pressure testing, but find because the cavity volume of valve is little in pressure testing, use motor test pump to boost too fast wayward, often there is superpressure phenomenon, this phenomenon has certain damage capability to the sealing property of valve, we for this Design of Problems surge tank coordinate manual pump carry out ftercompction, while having ensured that use motor test pump is increased work efficiency, the precisely pressure of by-pass valve control pressure testing of while.
Technological improvement three: adapt to multiple value pressure test, make it possess the pressure testing of (gate valve, stop valve, non-return valve, butterfly valve) multiple differing heights flange valve, value pressure test Fixture Design is that vertical twin columns orifice plate adds pin, can regulate according to the difference of the flange face spacing of different size valve adjustable extent 200mm ~ 1800mm.Upper sealing panel plate adopts 500 and 1000 millimeters two two groups of diameters to design, and pressure testing table lower seal plate plate adopts 1000 millimeters of platforms of diameter, to meet the needs of large bore valves pressure testing.Increase value pressure test scope by above Functional Design, substantially can meet the requirement of petrochemical refining's construction to various sizes value pressure test.Technological improvement four: simple to operate.Because value pressure test frock will be used in different building sites, operating personnel are not parked in variation, and development group just fully takes into account the easy-operating requirement of easy use in the time of design valve structure for pressure test, ensure that operator can reach normal skilled functipnal capability in 1 day.This frock can be reduced to 3 function plates, and value pressure test frock is carried out by-pass valve control with hydraulic selector and tensimeter and clamped seal pad lifting and seal pad snap-in force; Two columns add tommy and ensure to adapt to the valve of various differing heights; 1 ton of manual guide chain is to regulate the height of upper sealing panel to ensure that the distance between valve upper-lower seal face meets the requirements, and simplifies function make beginner after the use study of 1 day by 3 plates, just can skillfully grasp the method for operating of this value pressure test frock.
Technological improvement five: a tractor serves several purposes.We also utilize the hydraulic function of value pressure test frock, develop the special tooling of making tread to riveter, work efficiency be make step plate by hand 8-10 doubly, marking time of making is smooth attractive in appearance, makes this value pressure test frock have the function of a tractor serves several purposes.
operation instruction of the present utility model:
Before value pressure test, be ready to need asbestos backing plate, guide chain and the test pump of use.The large valve fork truck that needs pressure testing is placed on the lower seal platform of structure for pressure test, has padded asbestos backing plate.Utilize guide chain to regulate hydraulic jack to make the upper seal flange place of upper sealing panel to valve, two columns add tommy and ensure to adapt to the pressure testing height of valve, and carry out sealing surface safeguard measure.Workmen selects tensimeter according to the pressure rating of valve, utilizes hydraulic selector and tensimeter to carry out by-pass valve control and clamps seal pad lifting and seal pad snap-in force.
application of the present utility model
This frock comes into operation in Yan'an petrochemical plant petrol and diesel oil upgrading project construction, and its work efficiency has improved more than 3 times than value pressure test frock efficiency in the past, and has obvious economic benefit.
Required people, material, the machine of value pressure test before using is:
1 16t crane, lifting 1 people, 1 of hoistman, pressure testing personnel 3 people, pressure testing in 8 hours 3 deck valve doors, total expense is 2200 yuan, average 1 value pressure test unit price is 733 yuan.
Use novel valve pressure testing mold, 1 of needed man-machine hand operated transport, pressure testing personnel 3 people, pressure testing in 8 hours 9 deck valve doors, total expense is 900 yuan, average 1 value pressure test unit price is 100 yuan.
Both compare 1 deck valve door and reduce expenses 633 yuan.
633 yuan * 930=588690 yuan of the costs of saving in Yan'an petrochemical plant petrol and diesel oil upgrading project
Up to now this frock altogether pressure testing 930, the large-sized flange valve of different size, by using and improving, substantially reached simple to operate, used functional safety reliable, efficient and use economic object, be worth promoting in Petrochemical construction field.
Claims (7)
1. a large-diameter flanged valve hydraulic pressure pressure testing table, comprise pressure testing table body (1), the structure of described pressure testing table body (1) is rectangle, it is characterized in that: in the rectangle frame of described pressure testing table body (1), be horizontally arranged with valve altitude location plate (5), the both sides of altitude location plate (5) arrange porose, the centre of described valve altitude location plate (5) is provided with hydraulic jack (2), the two ends up and down of described hydraulic jack (2) are provided with prop stand for hydraulic jack plate (4), prop stand for hydraulic jack plate (4) is arranged with upper sealing panel (3), described seal pad (3), prop stand for hydraulic jack plate (4) is connected by pivot pin with hydraulic jack (2), the bottom of described pressure testing table body (1) is provided with lower seal plate (6), the top of described prop stand for hydraulic jack plate (4) is provided with connecting hole (11), described upper sealing panel (3) is upper is connected with surge tank (7) by connecting line, surge tank (7) is upper is connected with test pump (8) by line.
2. the large-diameter flanged valve hydraulic pressure of one according to claim 1 pressure testing table, is characterized in that: described pressure testing table body (1) is formed by the Plate Welding of 20mm.
3. the large-diameter flanged valve hydraulic pressure of one according to claim 1 and 2 pressure testing table, it is characterized in that: described pressure testing table body (1) both sides steel plate on be provided with from top to bottom adjustment hole (9), pitch-row between adjacent two adjustment holes is 240mm, and adjustment hole (9) is corresponding with the hole on valve altitude location plate (5).
4. the large-diameter flanged valve hydraulic pressure of one according to claim 3 pressure testing table, is characterized in that: the top of described pressure testing table body (1) is provided with hole for hoist (10).
5. the large-diameter flanged valve hydraulic pressure of one according to claim 4 pressure testing table, is characterized in that: described connecting hole (11) is connected by guide chain with hole for hoist (10).
6. the large-diameter flanged valve hydraulic pressure of one according to claim 5 pressure testing table, is characterized in that: described test pump (8) is motor test pump or manual pressure test pump.
7. the large-diameter flanged valve hydraulic pressure of one according to claim 6 pressure testing table, is characterized in that: on the upper surface of described upper sealing panel (3), be provided with pressure testing flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420331582.7U CN203949780U (en) | 2014-06-20 | 2014-06-20 | A kind of large-diameter flanged valve hydraulic pressure pressure testing table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420331582.7U CN203949780U (en) | 2014-06-20 | 2014-06-20 | A kind of large-diameter flanged valve hydraulic pressure pressure testing table |
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| Publication Number | Publication Date |
|---|---|
| CN203949780U true CN203949780U (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420331582.7U Expired - Lifetime CN203949780U (en) | 2014-06-20 | 2014-06-20 | A kind of large-diameter flanged valve hydraulic pressure pressure testing table |
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| CN (1) | CN203949780U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248316A (en) * | 2016-08-26 | 2016-12-21 | 江苏伟屹电子有限公司 | High pressure high-performance pressure testing system and pressure-measuring method thereof |
| CN107748107A (en) * | 2017-11-03 | 2018-03-02 | 平煤神马建工集团有限公司 | A kind of flanged valve hydraulic test bench |
| CN108213943A (en) * | 2017-12-07 | 2018-06-29 | 苏州安特威阀门有限公司 | A kind of intelligent valve assembles test machine |
-
2014
- 2014-06-20 CN CN201420331582.7U patent/CN203949780U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248316A (en) * | 2016-08-26 | 2016-12-21 | 江苏伟屹电子有限公司 | High pressure high-performance pressure testing system and pressure-measuring method thereof |
| CN107748107A (en) * | 2017-11-03 | 2018-03-02 | 平煤神马建工集团有限公司 | A kind of flanged valve hydraulic test bench |
| CN107748107B (en) * | 2017-11-03 | 2020-07-14 | 平煤神马建工集团有限公司 | Flange type valve hydraulic test bench |
| CN108213943A (en) * | 2017-12-07 | 2018-06-29 | 苏州安特威阀门有限公司 | A kind of intelligent valve assembles test machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141119 |