CN202903610U - Device for ultrahigh pressure test - Google Patents
Device for ultrahigh pressure test Download PDFInfo
- Publication number
- CN202903610U CN202903610U CN 201220448592 CN201220448592U CN202903610U CN 202903610 U CN202903610 U CN 202903610U CN 201220448592 CN201220448592 CN 201220448592 CN 201220448592 U CN201220448592 U CN 201220448592U CN 202903610 U CN202903610 U CN 202903610U
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- pressure
- test
- pressure cavity
- cushion block
- hatchcover
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Abstract
The utility model relates to a device for ultrahigh pressure test and discloses the device for the ultrahigh pressure test. The device comprises a pressure cavity and a pressure cabin cover, wherein the pressure cavity is used for containing a component to be tested, the pressure cabin cover is used for covering the pressure cavity, and an opening is arranged in the pressure cabin cover.
Description
Technical field
The present invention relates to a kind of apparatus and method for the UHV (ultra-high voltage) test, described apparatus and method are particularly useful for strength test and the sealing test of widget.
Background technology
Surpass 100MPa pressure and be called " UHV (ultra-high voltage) ", and the above pressure vessel that carries of 100MPa is called ultrahigh pressure vessel, modern industry and food service industry with ultrahigh pressure vessel mostly at 100MPa-1000MPa.In petroleum prospecting and chemical industry, some instrument and equipments usually will face the above UHV (ultra-high voltage) of 100MPa, thereby intensity and the sealing of these instrument and equipments under ultra-high voltage environment just become the important performance indexes that must consider in the R﹠D process.For testing tool equipment bear the UHV (ultra-high voltage) performance index, just need the corresponding ultrahigh pressure vessel of design.
Existing UHV (ultra-high voltage) proving installation generally is divided into monomer-type ultrahigh pressure vessel, thermal sleeve ultrahigh pressure vessel, wound form ultrahigh pressure vessel, tubular type ultrahigh pressure vessel.The tubular type ultrahigh pressure vessel has the not available advantage of the several containers in front, thereby is widely used.The design of most of ultrahigh pressure vessels, manufacturing, installation and operation all are very loaded down with trivial details, especially can't satisfy some small parts pressure tests for the requirement of maneuverability and ease for operation.
For the UHV (ultra-high voltage) test, its pressure medium also is the key factor concerning safety.In the test small parts, the filled media of tun the inside has increased the danger of test.
In view of above consideration, be necessary to design the pressure test of a suitable different occasion small parts, be easy to processing and manufacturing, movably, the press device of safe and convenient.
Summary of the invention
According to an aspect of the present invention, provide a kind of device for the UHV (ultra-high voltage) test, described device comprises: pressure cavity is used for holding UUT; And the pressure hatchcover, be used for covering described pressure cavity, be provided with opening in the wherein said pressure hatchcover.
According to an aspect of the present invention, described device also comprises pouring orifice joint and exhausr port plug, and wherein said pouring orifice joint and exhausr port plug are respectively applied to be connected with one of described opening.
According to an aspect of the present invention, adopt acme thread to connect between wherein said pressure cavity and the described pressure hatchcover.
According to an aspect of the present invention, between wherein said pressure cavity and the described pressure hatchcover and described opening and described pouring orifice joint and exhausr port plug all seal with seal.
According to an aspect of the present invention, wherein said pressure cavity adopts the high-strength alloy Steel material to make, and described pressure hatchcover adopts titanium alloy material to make.
According to an aspect of the present invention, wherein said seal is rubber seal.
According to an aspect of the present invention, wherein said pressure hatchcover, described pouring orifice joint and described exhausr port plug all are provided with the protective device for the protection of sealing surface.
According to an aspect of the present invention, wherein said pressure cavity periphery is wound with heating resistance wire.
According to a further aspect in the invention, provide a kind of method for the UHV (ultra-high voltage) test, may further comprise the steps: according to the size of measured device, determined the cushion block combination of required filling; Pressure cavity is put in determined cushion block combination, put into afterwards measured device; Injection pressure medium in the described pressure cavity; Seal described pressure cavity in order to test.
According to a further aspect in the invention, described method also comprises: adopt gasket ring that described measured device is unsettled.
According to a further aspect in the invention, wherein said pressure medium is silicone oil.
According to a further aspect in the invention, described method also comprises: heating resistance wire is wrapped in around the described pressure cavity in order to high-temperature factor is introduced in the test.
According to a further aspect in the invention, built-in sensors in described pressure cavity wherein, the signal of described sensor sensing is drawn via the sealing contact pin that is integrated on the exhausr port plug.
Overcome the problem that existing extra-high tension unit and method of testing exist according to proving installation of the present invention and method, and made simple, mobility strong, simple to operate, safety and environmental protection.
Description of drawings
Fig. 1 shows the overall schematic of the device for UHV (ultra-high voltage) test according to an embodiment of the invention.
Fig. 2 shows the cross section view of the main working parts of the described device among Fig. 1.
Fig. 3 shows the schematic diagram of filling cushion block according to an embodiment of the invention and fill tool.
Fig. 4 shows the schematic diagram of sealing surface protection accessory according to an embodiment of the invention.
Fig. 5 shows the schematic diagram of the protection gasket ring for the protection of vulnerable component according to an embodiment of the invention.
Fig. 6 shows the process flow diagram of the method for UHV (ultra-high voltage) test according to an embodiment of the invention.
Fig. 7 shows the schematic diagram of pressure-bearing joint according to an embodiment of the invention and pressure test helmet.
Embodiment:
Description also is described further UHV (ultra-high voltage) proving installation of the present invention and method in conjunction with the embodiments.
With reference to figure 1, Fig. 1 shows the overall schematic of the device for UHV (ultra-high voltage) test according to an embodiment of the invention.
As shown in Figure 1, ultra-high pressure apparatus according to an embodiment of the invention can comprise: pressure cavity 11 is used for holding UUT; And pressure hatchcover 12, be used for covering described pressure cavity 11, be provided with two openings in the wherein said pressure hatchcover 12, be pouring orifice and exhausr port, described pouring orifice is used for being connected to outside oil pump in order to the pressure medium of pressure cavity inside is pressurizeed, described exhausr port is used for discharging air from pressure cavity, thereby guarantees to only have few air in the pressure cavity 11 in test process.According to one embodiment of present invention, described pressure medium can adopt the very little silicone oil of environmental pollution.
In addition, described ultra-high pressure apparatus can also comprise pouring orifice joint 13 and exhausr port plug 14, and wherein said pouring orifice joint 13 and exhausr port plug 14 are respectively applied to be inserted in described pouring orifice and the exhausr port.Preferably, be connected with screw thread between pouring orifice joint 13 and exhausr port plug 14 and described pouring orifice and the exhausr port.It will be understood by those skilled in the art that between pouring orifice joint 13 and exhausr port plug 14 and described pouring orifice and the exhausr port and can also adopt any other suitable being connected, the present invention is not limited in this respect.
Alternatively, described pressure cavity 11 peripheries are wound with heating resistance wire, in order to high-temperature factor is introduced in the test.That is to say, in the pressure test process, can power up described resistance wire, make it produce heat, described heat can make the temperature of the pressure medium of pressure cavity and inside thereof raise.
Alternatively, described pressure cavity 11 is fixed (for example welding) together with base plate 16 by gusset 15, and described base plate 16 can for example be bolted in the go-cart 17, thereby so that this proving installation possesses good maneuverability this proving installation is navigated to suitable position.Go-cart 17 bottoms are equipped with universal wheel, and this universal wheel is from strap brake (for example being equipped with special fixedly lock), with fixing of go-cart in the assurance pressure test process.
Described pressure cavity 11 can adopt the high-strength alloy Steel material to make, and described pressure hatchcover 12 can adopt titanium alloy material to make.Preferably, described pressure cavity 11 can adopt high strength alloy steel 30CrMnSi2A to make, and pressure hatchcover 12 can adopt titanium alloy T C11 to make.In addition, pouring orifice joint 13 and exhausr port plug 14 can adopt high-strength stainless steel 17-4PH to make, and gusset 15 and base plate 16 can adopt No. 45 steel to make.Certainly, those skilled in the art can select any other suitable material for above-mentioned parts, and the present invention is not limited in this regard.
With reference to figure 2, Fig. 2 shows the cross section view of the main working parts of the pressure test device among Fig. 1.
As shown in Figure 2, pressure cavity 11 roughly cylindrical shapes, and adopt lathe processing adopt round-corner transition between the sidewall of pressure cavity and bottom, concentrate in order to reduce stress.Preferably, adopt acme thread to be connected between pressure cavity 11 and the pressure hatchcover 12, as shown in Figure 2.Preferably, the pouring orifice in the pressure hatchcover 12 and exhausr port are threaded with pouring orifice joint 13 and exhausr port plug 14 usefulness respectively.All seal with seal between described pressure cavity 11 and the described pressure hatchcover 12 and between the pouring orifice in the described pressure hatchcover 12 and exhausr port and described pouring orifice joint 13 and the exhausr port plug 14.Preferably, described seal can be rubber seal.For example, as shown in Figure 2, can adopt the sealing of 2 road O type rubber seal (21) between described pressure cavity 11 and the described pressure hatchcover 12.Also adopt 2 road rubber seal (22,23) sealing between pressure hatchcover 12 and pouring orifice joint 13, the exhausr port plug 14.Preferably, as shown in Figure 2, there is a bevelled sealing surface on pouring orifice joint 13 tops, form conical surface seal with the sealing rapid-acting coupling with standard.For example, adopt the metal conical surface seal between pouring orifice joint and the standard seal rapid-acting coupling, external pitcher pump or other forcing pumps are in order to inject pressure medium in the described pressure cavity 11.By above-mentioned structural design and Seal Design according to the embodiment of the invention, can guarantee under the pressure of 140MPa, to possess 4 times safety coefficient.
With reference to figure 3, Fig. 3 shows the schematic diagram of filling cushion block according to an embodiment of the invention and fill tool.For example, the left side of Fig. 3 shows one group and fills cushion block 31,32 and erecting tools 33, and the right shows the schematic diagram when filling cushion block 31,32 respective cross-section figure and utilizing fill tool 33 to fill described cushion block.As shown in Figure 3, the cross section of cushion block according to an embodiment of the invention (such as 31,32) can have rectangle or rectangle in conjunction with trapezoidal shape.Certainly, those skilled in the art can also design the cushion block of other shapes in the case without departing from the scope of protection of the present invention.And cushion block 31,32 height can be selected by those skilled in the art as required voluntarily, and do not depart from the scope of the present invention.Shown in Fig. 3 right part, cushion block 32(is the rectangle cushion block) in the middle of have the hole of passing it fix one group of cushion block so that fill tool 33 passes described hole.In addition, cushion block 31(is the trapezoidal cushion block of rectangle combination) the centre also can have the hole, but cushion block 31 is not preferably run through in this hole.The inwall in the hole in the cushion block 31 can adopt Design of Screw Thread, is fixed to described cushion block 31 so that fill tool 33 can be threaded connection.Like this, when shown in the right lower quadrant of Fig. 3, some rectangle cushion blocks 32 are stacked together and cushion block 31 when being placed on below them, fill tool 33 can pass these rectangle cushion blocks 32 and be threaded connection and be screwed in the cushion block 31, in order to this group cushion block is fixed, cushion block is taken out in pressure cavity after test finishes thereby can put it into easily in the pressure cavity and be convenient to.Preferably, there is a chamfering on the top of fill tool 33, with fill cushion block 31,32 chamfering cooperates centering, so that pass described cushion block.
Before test process, the described cushion block of predetermined right quantity is filled into makes it to fill full pressure cavity in the pressure cavity 11 as far as possible, in order to reduce the loading of pressure cavity internal pressure medium (for example silicone oil), thereby reduce energy accumulating, the security that improves proving installation.
According to one embodiment of present invention, before the pressure test process, at first calculate the height of required cushion block group according to the height of pressure cavity and the significant height of pressure test (below will be described in greater detail).Then be combined into the cushion block group height that needs with cushion block 31,32, pass all cushion blocks 32 with fill tool 33, and be fixed at last in the screw thread of cushion block 31.Then, the cushion block group that fixes is put into pressure cavity 11, and the instrument 33 of back-outing.After test finishes, can utilize fill tool 33 similarly all cushion blocks 32,31 to be taken out.
With reference to figure 4, Fig. 4 shows the schematic diagram of sealing surface protection accessory according to an embodiment of the invention.As mentioned above, all seal with seal between pressure cavity 11 and the pressure hatchcover 12 and between the pouring orifice in the pressure hatchcover 12 and exhausr port and pouring orifice joint 13 and the exhausr port plug 14.In order to protect these sealing surfaces, described pressure hatchcover, described pouring orifice joint and described exhausr port plug all are provided with the protective device for the protection of sealing surface, all as shown in Figure 4 be installed in protective device 41,42 around the parts that will protect.Preferably, described protective device all can adopt nylon material.It will be understood by those skilled in the art that without departing from the scope of the invention, described protective device also can adopt other suitable materials to make.
With reference to figure 5, Fig. 5 shows the schematic diagram of the protection gasket ring for the protection of vulnerable component according to an embodiment of the invention.In the situation that unit under test is relatively more fragile, for example, described unit under test may comprise not force-applied position, and described unit under test may be not suitable for direct contact cavity 11.At this moment, according to one embodiment of present invention, can utilize the protection gasket ring that described measured device is unsettled, in order to it is protected.Fig. 5 shows schematic diagram and the sectional view (shown in Fig. 5 right part) thereof of an example of operable protection gasket ring.Described gasket ring can adopt the shapes such as right cylinder or rectangular parallelepiped, as the skilled person will appreciate.It should be noted that in the required cushion block of aforesaid calculating, if used gasket ring, the volume of gasket ring or height need to enter according to solid calculating volume or the height of unit under test so.
With reference to figure 6, Fig. 6 shows the process flow diagram of the method for UHV (ultra-high voltage) test according to an embodiment of the invention.In the process of setup test, go-cart 17 can be moved to testing location, and four universal wheels are adjusted to braking state so as stationary carts 17 with and on proving installation.As shown in Figure 6, described method of testing can start from step 601, wherein according to the size of measured device, determines the cushion block combination of required filling.For example, the significant height of calculating pressure test at first.In the situation that do not use gasket ring, the significant height of pressure test can draw by the height of measuring unit under test.Comprise not force-applied position and used in the situation of gasket ring for this reason at unit under test, the height that the significant height of pressure test is substantially equal to unit under test adds the height of gasket ring.Then, the significant height that the significant height (being the height of the internal chamber of pressure cavity) of pressure cavity is deducted described pressure test calculates the height of required cushion block group.Then, according to the height of the required cushion block group of calculating and cushion block 31,32 height, determine required cushion block 31,32 combination.For example, if the height of cushion block 31 is 2cm, the height of cushion block 32 is 4cm, and the height of the required cushion block of calculating is 10cm, and then can determine needs two cushion blocks 32 and a cushion block 31.What it should be noted that the sample calculation that provides above adopts is height, in the situation that use volume to calculate, the volume of described gasket ring should be by solid calculating.
Then, described method of testing advances to step 602, wherein determined cushion block combination is put into pressure cavity and is put into afterwards measured device.As mentioned above, can utilize fill tool 33 that top definite cushion block group is fixed together and put into the bottom of pressure cavity, then take out fill tool 33 and put into unit under test.Then, described method of testing advances to step 603, wherein injection pressure medium, for example silicone oil in the pressure cavity.Pressure medium should be injected into the top that will reach pressure cavity.Then, described test mode advances to step 604, wherein seals described pressure cavity in order to test.According to one embodiment of present invention, described sealing can comprise and covers pressure hatchcover 12 and connect pouring orifice joint 13 and exhausr port plug 14.Alternatively, pouring orifice joint 13 can be connected on the pressure hatchcover 12 for a long time.Particularly, according to one embodiment of present invention, when Silicone oil injection near the pressure cavity top time, pressure hatchcover 12 is covered the pouring orifice joint of then screwing on also be pumped into silicone oil with the oil outer that is connected to the pouring orifice joint, treat that exhausr port has silicone oil to approach and overflows, the exhausr port plug of screwing on, the beginning applied voltage test.Alternatively, when applied voltage test, can open alarming device, so that indication test well afoot and prompting unrelated person are away from testing location.After being added to target, pressure (for example 120MPa), pressurize a period of time (for example 30min), observe and the record pressure change.
Alternatively, described method of testing can comprise heating resistance wire is wrapped in around the described pressure cavity in order to high-temperature factor is introduced in the test.Particularly, twine heating resistance wire at pressure cavity 11 peripheries, the sealing contact pin is integrated on the exhausr port plug 14, at pressure cavity built-in thermoelectric idol sensor, the signal of described sensor measurement is drawn by the sealing contact pin.
After test finishes, lay down pressure.Change or take out the cushion block group such as need, then adopt fill tool 33, by the chamfering of tool tip and the chamfering of cushion block, make instrument 33 pass cushion block group 32, then rotation is screwed in the screw thread of cushion block 31, thereby whole cushion block group can be put forward from pressure cavity 11.
With reference to figure 7, Fig. 7 shows the schematic diagram of pressure-bearing joint according to an embodiment of the invention and pressure test helmet.Below in conjunction with Fig. 7 the process of pressure test of the present invention is described.As shown in Figure 7, will carry out the UHV (ultra-high voltage) test to oil well logging instrument parts (for example pressure-bearing joint 72), test its intensity and sealing.For this reason, designed special pressure test helmet 71, test helmet 71 is threaded connection with semi-ring volution cover 73.Semi-ring volution cover 73 is two halves, is buckled on the pressure-bearing joint 72, and is fastening with screw 75.There is sealing surface test helmet 71 inside, and 2 road sealing grooves 76 are arranged on the pressure-bearing joint 72, and the two passes through rubber seal rings for seal.The other end of pressure-bearing joint 72 then is by the sealing of 3 cores sealing contact pin.Like this, the inside of pressure-bearing joint 72 has formed the cavity of sealing.
The sealing contact pin of pressure-bearing joint 72 1 ends is vulnerable components, need to pave with gasket ring 51.Measure the height with the pressure-bearing joint 72 of pressure test helmet 71, add the height of gasket ring, be the significant height of pressure test.Height with pressure cavity deducts this significant height, draws the height of required cushion block group.Be combined into the cushion block group height that needs with cushion block 31,32, take instrument 33 to pass all cushion blocks 32, be screwed at last in the screw thread of cushion block 31.The cushion block group is put into pressure cavity 11, the instrument 33 of back-outing.Put down the pressure-bearing joint 62 of good seal, then inject silicone oil, annotate and to arrive the cavity top to silicone oil.Then, pressure hatchcover 12 is covered, the pouring orifice joint of screwing on also is pumped into silicone oil with the oil outer that is connected to the pouring orifice joint, treats that exhausr port has silicone oil to approach and overflows, the exhausr port plug of screwing on, beginning applied voltage test.
The above has only described specific embodiment of the present invention in the mode of example.It will be appreciated by those skilled in the art that, in the situation that do not break away from the spirit and scope of the present invention, can make a change the form of above-described embodiment, details, structure etc., and these changes all are intended to be included in the scope of the present invention that limits such as claims.
Claims (8)
1. one kind is used for the device that UHV (ultra-high voltage) is tested, and comprising:
Pressure cavity is used for holding UUT; And
The pressure hatchcover is used for covering described pressure cavity, is provided with opening in the wherein said pressure hatchcover.
2. device as claimed in claim 1 also comprises pouring orifice joint and exhausr port plug, and wherein said pouring orifice joint and exhausr port plug are respectively applied to be connected with one of described opening.
3. device as claimed in claim 1 adopts acme thread to connect between wherein said pressure cavity and the described pressure hatchcover.
4. device as claimed in claim 2, between wherein said pressure cavity and the described pressure hatchcover and described opening and described pouring orifice joint and exhausr port plug all seal with seal.
5. device as claimed in claim 1, wherein said pressure cavity adopt the high-strength alloy Steel material to make, and described pressure hatchcover adopts titanium alloy material to make.
6. device as claimed in claim 4, wherein said seal is rubber seal.
7. device as claimed in claim 4, wherein said pressure hatchcover, described pouring orifice joint and described exhausr port plug all are provided with the protective device for the protection of sealing surface.
8. device as claimed in claim 1, wherein said pressure cavity periphery is wound with heating resistance wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448592 CN202903610U (en) | 2012-09-05 | 2012-09-05 | Device for ultrahigh pressure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220448592 CN202903610U (en) | 2012-09-05 | 2012-09-05 | Device for ultrahigh pressure test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202903610U true CN202903610U (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220448592 Expired - Fee Related CN202903610U (en) | 2012-09-05 | 2012-09-05 | Device for ultrahigh pressure test |
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| Country | Link |
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| CN (1) | CN202903610U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674715A (en) * | 2012-09-05 | 2014-03-26 | 中国石油集团长城钻探工程有限公司 | Device and method for testing ultra-high pressure |
| CN105547843A (en) * | 2015-12-14 | 2016-05-04 | 潍柴动力股份有限公司 | Testing apparatus and testing system of sealing components |
| CN105784496A (en) * | 2016-05-31 | 2016-07-20 | 国网山东省电力公司蓬莱市供电公司 | High-pressure testing device capable of being controlled in real time |
| CN109765007A (en) * | 2018-12-25 | 2019-05-17 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Oil guide pipe detection instrument |
| CN109812264A (en) * | 2019-03-19 | 2019-05-28 | 辽宁石油化工大学 | It is a kind of for the survey mud logging equipment of underground real-time detection and its application |
-
2012
- 2012-09-05 CN CN 201220448592 patent/CN202903610U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103674715A (en) * | 2012-09-05 | 2014-03-26 | 中国石油集团长城钻探工程有限公司 | Device and method for testing ultra-high pressure |
| CN105547843A (en) * | 2015-12-14 | 2016-05-04 | 潍柴动力股份有限公司 | Testing apparatus and testing system of sealing components |
| CN105547843B (en) * | 2015-12-14 | 2018-03-09 | 潍柴动力股份有限公司 | A kind of experimental rig and pilot system for sealing parts |
| CN105784496A (en) * | 2016-05-31 | 2016-07-20 | 国网山东省电力公司蓬莱市供电公司 | High-pressure testing device capable of being controlled in real time |
| CN109765007A (en) * | 2018-12-25 | 2019-05-17 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Oil guide pipe detection instrument |
| CN109812264A (en) * | 2019-03-19 | 2019-05-28 | 辽宁石油化工大学 | It is a kind of for the survey mud logging equipment of underground real-time detection and its application |
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