CN109059982B - Low-energy ray pressure-resistant sealing window penetrating device - Google Patents
Low-energy ray pressure-resistant sealing window penetrating device Download PDFInfo
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- CN109059982B CN109059982B CN201810644129.4A CN201810644129A CN109059982B CN 109059982 B CN109059982 B CN 109059982B CN 201810644129 A CN201810644129 A CN 201810644129A CN 109059982 B CN109059982 B CN 109059982B
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- window
- receiving end
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
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- General Physics & Mathematics (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention relates to a low-energy ray pressure-resistant sealed through-window device which comprises a pressure-bearing cavity, wherein a medium to be detected under pressure is arranged in the middle of the pressure-bearing cavity, a receiving end through-window and a transmitting end through-window are respectively arranged on two sides of the medium to be detected under pressure, the outer end surfaces of the receiving end through-window and the transmitting end through-window are respectively connected with a receiving end conical hole screw and a transmitting end tungsten alloy screw through a plurality of O-shaped rings, a conical hole is formed in the middle of the receiving end conical hole screw, and a low-energy ray source is fixedly arranged on the inner end surface of the transmitting end tungsten; a first trapezoidal groove is formed in the receiving end through window, a notch of the first trapezoidal groove is butted with the tapered hole, a receiving end steel lining is installed in the first trapezoidal groove, a transmitting end steel lining in interference fit with the transmitting end through window is installed in the transmitting end through window, and the installation structure and principle of the receiving end steel lining and the transmitting end steel lining are the same as those of the receiving end; the invention has good wave-transmitting performance, pressure resistance and sealing performance.
Description
Technical Field
The invention relates to the technical field of a ray transparent window, in particular to a low-energy ray pressure-resistant sealing window transparent device.
Background
The penetrating power of the ray and the density of the substance have a definite relationship, so that the device can be used for measuring the quality, the volume and the density or imaging and the like in oil-gas metering and radiology, wherein the radiation hazard generated by a low-level ray source is small, the requirement on safety protection measures is low, the management and control are loose, and the acquisition and the use are convenient; at present, most of ray transparent windows are made of materials which are easy to transmit waves, such as PEEK (polyetheretherketone), but the elastic modulus and the mechanical strength of the ray transparent windows are weaker than those of steel materials, the ray transparent windows are often required to have larger thickness when being used for bearing pressure, the thickness is inversely proportional to the ray transmittance, the energy of low-energy-level rays is low, the ray transparent windows are difficult to penetrate through, when a transparent window structure needs to bear the pressure of a measured medium, the pressure resistance and the wave permeability of the transparent windows are in conflict, and in the prior art, ray transparent window devices with the pressure resistance and the wave permeability are lacked.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides a low-energy ray pressure-resistant sealed through-window device with a reasonable structure, and the pressure resistance and the sealing performance of the device are improved on the premise of ensuring the wave-transmitting performance of the device.
The technical scheme adopted by the invention is as follows:
a low-energy ray pressure-resistant sealed through-window device comprises a pressure-bearing cavity, wherein a medium to be detected under pressure is arranged in the middle of the interior of the pressure-bearing cavity, a receiving end through-window and a transmitting end through-window are respectively installed on two sides of the medium to be detected under pressure, the inner end faces of the receiving end through-window and the transmitting end through-window are tightly attached to the medium to be detected under pressure, the outer end faces of the receiving end through-window and the transmitting end through-window are respectively connected with a receiving end conical hole screw and a transmitting end tungsten alloy screw through a plurality of O-shaped rings, a conical hole is formed in the middle of the receiving end conical hole screw, a step hole is formed in the inner end face of the transmitting end tungsten alloy screw; the receiving terminal passes through the inside first dovetail groove that opens of window, the notch and the bell mouth of first dovetail groove dock mutually, first dovetail inslot install rather than interference fit's receiving terminal steel inside lining, the transmitting terminal passes through the inside second dovetail groove that opens of window, the notch and the low energy ray source butt joint in second dovetail groove, the second dovetail inslot install rather than interference fit's transmitting terminal steel inside lining.
The further technical scheme is as follows:
the receiving end through window is of a round table structure, receiving end anti-torsion pins are respectively arranged on two sides of the large end face, and the receiving end anti-torsion pins are clamped into receiving end anti-torsion key grooves formed in the pressure bearing cavity; the small end face of the receiving end through window is arranged into an inwards concave arc structure which is matched and connected with the medium to be detected with pressure.
The transmitting end through window is of a round table structure, transmitting end anti-twisting pins are arranged on two sides of the large end face respectively and clamped into transmitting end anti-twisting key grooves formed in the pressure bearing cavity, and the small end face of the transmitting end through window is of an inward concave arc structure which is in matched connection with a medium to be detected under pressure.
A window corner reinforcing inclined plane forming an included angle with the first trapezoid-shaped groove is arranged at the inner bottom end of the first trapezoid-shaped groove, an inner lining outer inclined plane attached to the window corner reinforcing inclined plane is arranged at the bottom end of the receiving end steel inner lining, and an inner hexagonal nut hole and an external thread are arranged at the top end of the receiving end steel inner lining; the second trapezoid groove and the steel lining at the transmitting end have the same structures as the first trapezoid groove and the steel lining at the receiving end respectively.
A plurality of grooves are formed in the outer end faces, in contact with the pressure bearing cavity, of the receiving end through window and the transmitting end through window respectively, and a plurality of O-shaped rings which are arranged in a crossed mode are installed in the grooves.
And a plurality of grooves provided with O-shaped rings are formed on the end surface of the receiving end taper hole screw, which is in contact with the pressure bearing cavity.
And a plurality of grooves provided with O-shaped rings are formed on the end surface of the transmitting end tungsten alloy screw, which is in contact with the pressure bearing cavity.
The receiving end through window and the transmitting end through window are both made of carbon fiber reinforced PEEK materials.
The invention has the following beneficial effects:
1. the invention has compact and reasonable structure, convenient processing and operation, the transmitting end through window and the transmitting end steel lining can form interference fit under the condition of expansion with heat and contraction with cold, and the pressure resistance of the through window can be obviously improved;
2. one end of the steel lining of the receiving end (transmitting end) is provided with an outer lining inclined surface, and the outer lining inclined surface is attached to a corner reinforcing inclined surface of a through window in the PEEK through window of the receiving end (transmitting end), so that corner stress concentration of the through window during pressure bearing is reduced, structural rigidity of the through window is increased, and pressure resistance of the through window is improved. 2. Anti-torsion pins are arranged on the end face of the transmitting end through window, which is in contact with the receiving end taper hole screw, and on the end face of the transmitting end PEEK, which is in contact with the transmitting end tungsten alloy screw, and are clamped in anti-torsion key grooves of a pressure bearing cavity, so that the two through windows are limited, and the through windows are prevented from rotating along with the screws;
3. the transmitting end through window and the receiving end through window are respectively and crossly provided with a plurality of O-shaped rings on each side, so that the redundancy is high, and the reliability of the sealing structure in long-term operation is good.
4. The transmitting end through window and the receiving end through window are made of carbon fiber reinforced PEEK (polyether ether ketone) materials with higher strength, have good wave permeability and can bear internal pressure load.
Drawings
Fig. 1 is a schematic structural view (full sectional view) of the present invention.
Fig. 2 is a schematic view of the installation structure of the receiving end through window and the receiving end steel lining.
Fig. 3 is a sectional view of section B-B in fig. 2.
Wherein: 1. the receiving end penetrates through the window; 2. receiving end steel lining; 3. medium to be detected with pressure; 4. a steel lining of the transmitting end; 5. a transmitting end through window; 6. a compression screw; 7. a low energy radiation source; 8. a launch end tungsten alloy screw; 9. a pressure-bearing cavity; 10. receiving a taper hole screw; 101. a receiving end anti-twist pin; 102. a window corner reinforcement bevel; 201. an inner hexagonal nut hole; 202. an external thread; 501. a firing end anti-twist pin; 901. the receiving end prevents the key slot from being twisted; 902. the transmitting end prevents twisting the keyway.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1, the low-energy-ray pressure-resistant sealed window penetrating device of the embodiment includes a pressure-bearing chamber 9, a medium to be measured 3 under pressure is arranged in the middle inside the pressure-bearing chamber 9, a receiving end window 1 and a transmitting end window 5 are respectively mounted on two sides of the medium to be measured 3 under pressure, inner end faces of the receiving end window 1 and the transmitting end window 5 are both tightly attached to the medium to be measured 3 under pressure, and the medium to be measured 3 under pressure applies pressure loads (pressure directions are shown by arrows in the figure) to contact surfaces of the pressure-bearing chamber 9, the receiving end window 1 and the transmitting end window 5; the outer end faces of the receiving end through window 1 and the transmitting end through window 5 are respectively connected with a receiving end conical hole screw 10 and a transmitting end tungsten alloy screw 8 through a plurality of O-shaped sealing rings, a conical hole is formed in the middle of the receiving end conical hole screw 10, a step hole is formed in the inner end face of the transmitting end tungsten alloy screw 8, and a low-energy radiation source 7 is fixedly mounted in the step hole through a compression screw 6; a first trapezoidal groove is formed in the receiving end transparent window 1, the notch of the first trapezoidal groove is butted with the tapered hole, a receiving end steel lining 2 in interference fit with the first trapezoidal groove is arranged in the first trapezoidal groove, a second trapezoidal groove is formed in the transmitting end transparent window 5, the notch of the second trapezoidal groove is butted with the low-energy radiation source 7, and a transmitting end steel lining 4 in interference fit with the second trapezoidal groove is arranged in the second trapezoidal groove;
the end face of the receiving end through window 1 contacting the pressure bearing cavity 9 is provided with a plurality of grooves provided with O-shaped sealing rings, and the end face of the transmitting end through window 5 contacting the pressure bearing cavity 9 is provided with a plurality of grooves provided with O-shaped sealing rings.
The end face of the receiving end taper hole screw 10, which is in contact with the pressure bearing cavity 9, is provided with a plurality of grooves provided with O-shaped sealing rings, the end face of the transmitting end tungsten alloy screw 8, which is in contact with the pressure bearing cavity 9, is provided with a plurality of grooves provided with O-shaped sealing rings, the O-shaped rings are arranged in a cross mode and at least 6-7 channels are arranged, the redundancy is high, and the reliability of the sealing structure in long-term operation is good.
As shown in fig. 2 and fig. 3, the receiving end through window 1 is in a circular truncated cone structure, receiving end anti-twisting pins 101 are respectively arranged on two sides of a large end face, the receiving end anti-twisting pins 101 are clamped in receiving end anti-twisting keyways 901 arranged in the pressure-bearing cavity 9, and a small end face of the receiving end through window 1 is arranged in an inward concave arc structure which is in fit connection with the medium to be measured 3 with pressure;
the transmitting end through window 5 is in a circular truncated cone structure, transmitting end anti-twisting pins 501 are respectively arranged on two sides of the large end face, the transmitting end anti-twisting pins 501 are clamped into transmitting end anti-twisting key grooves 902 formed in the bearing cavity 9, and the small end face of the transmitting end through window 5 is in an inward concave circular arc structure which is in matched connection with the medium to be detected 3 with pressure; the transmitting end through window 5 can be prevented from rotating along with the transmitting end tungsten alloy screw 8 during installation, and the receiving end through window 1 is prevented from rotating along with the receiving end taper hole screw 10.
The bottom end in the first trapezoid groove is provided with a through window corner reinforcing inclined plane 102 forming an included angle with the bottom end, the lower end of the receiving end steel lining 2 is provided with a lining outer inclined plane attached to the through window corner reinforcing inclined plane 102, the top end of the receiving end steel lining 2 is provided with an inner hexagonal nut hole 201 and an outer thread 202, and the structures of the second trapezoid groove and the transmitting end steel lining 4 are respectively the same as those of the first trapezoid groove and the receiving end steel lining 2.
The receiving end transparent window 1 and the transmitting end transparent window 5 are both made of carbon fiber reinforced PEEK (polyether ether ketone) material, and compared with pure PEEK, the mechanical strength is higher and the wave permeability to rays is equivalent.
Before assembly, the receiving end through window 1 is heated to about 200 ℃, the receiving end steel lining 2 is frozen to about-40 ℃ (or within an allowable temperature range without affecting material performance), then the receiving end steel lining 2 is rapidly screwed into the receiving end through window 1, when the room temperature environment is recovered, because of thermal expansion and cold contraction (the outer receiving end through window 1 contracts inwards when being cooled, and the inner receiving end steel lining 2 expands outwards when being heated), the two form interference fit, are tightly attached to ensure the reinforcing effect, and can force the receiving end through window 1 to maintain partial expansion amount during preheating, so that initial stress opposite to the pressure load direction of a medium 3 to be measured under pressure is generated, and the pressure resistance is favorably improved, the installation structure and the sealing principle of the transmitting end through window 5 and the transmitting end steel lining 4 are the same as the installation structure and the sealing principle of the receiving end through window 1 and the receiving end steel lining 2, the structural size is different according to actual needs.
When the device works, the transmitting end tungsten alloy screw 8 is used for shielding radiation and providing safety protection in the non-working direction, rays emitted by the low-energy ray source 7 penetrate through the transmitting end transparent window 5, irradiate the medium to be detected 3 with pressure and are partially absorbed, then penetrate through the receiving end transparent window 1 and the conical hole of the receiving end conical hole screw 10, and finally are received and analyzed by a related detector.
The concave arc structures at the ends of the receiving end through window 1 and the transmitting end through window 5, which are in contact with the pressure bearing cavity 9, have thinner thickness so as to ensure that low-energy rays are transmitted; the steel inner lining 2 of the receiving end can be screwed into the inner part of the receiving end through window 1 by utilizing an inner hexagonal wrench, so that the corner reinforcing inclined plane 102 of the through window is attached to the outer inclined plane of the inner lining, thereby effectively reducing the corner stress concentration of the receiving end through window 1 during pressure bearing, increasing the structural rigidity of the receiving end through window 1 and improving the pressure resistance of the receiving end through window.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (8)
1. The utility model provides a withstand voltage of low energy ray seals window device that passes through which characterized in that: the pressure-bearing medium detection device comprises a pressure-bearing cavity (9), a medium to be detected (3) under pressure is arranged in the middle of the interior of the pressure-bearing cavity (9), a receiving end through window (1) and a transmitting end through window (5) are respectively installed on two sides of the medium to be detected (3) under pressure, the inner end faces of the receiving end through window (1) and the transmitting end through window (5) are tightly attached to the medium to be detected (3) under pressure, the outer end faces of the receiving end through window (1) and the transmitting end through window (5) are respectively connected with a receiving end conical hole screw (10) and a transmitting end tungsten alloy screw (8) through a plurality of O-shaped rings, a conical hole is formed in the middle of the receiving end conical hole screw (10), a stepped hole is formed in the inner end face of the transmitting end tungsten alloy screw (8), and a low-energy radiation source (7; the receiving terminal passes through inside opening of window (1) and has first dovetail groove, the notch and the bell mouth of first dovetail groove dock mutually, first dovetail inslot install rather than interference fit's receiving terminal steel inside lining (2), the transmitting terminal passes through inside opening of window (5) and has the second dovetail groove, the notch and the low energy ray source (7) butt joint in second dovetail groove, the second dovetail inslot install rather than interference fit's transmitting terminal steel inside lining (4).
2. The low energy radiation pressure tight window assembly of claim 1, wherein: the receiving end transparent window (1) is of a round table structure, receiving end anti-torsion pins (101) are respectively arranged on two sides of the large end face, and the receiving end anti-torsion pins (101) are clamped into receiving end anti-torsion key grooves (901) formed in the pressure bearing cavity (9); the small end face of the receiving end through window (1) is arranged into an inward concave arc structure which is matched and connected with the medium (3) to be detected with pressure.
3. The low energy radiation pressure tight window assembly of claim 1, wherein: the transmitting end through window (5) is of a round table structure, transmitting end anti-torsion pins (501) are arranged on two sides of the large end face respectively, the transmitting end anti-torsion pins (501) are clamped into transmitting end anti-torsion key grooves (902) formed in the bearing cavity (9), and the small end face of the transmitting end through window (5) is of an inward concave arc structure which is matched and connected with the medium (3) to be measured under pressure.
4. The low energy radiation pressure tight window assembly of claim 1, wherein: a window corner reinforcing inclined plane (102) forming an included angle with the first trapezoid-shaped groove is arranged at the inner bottom end of the first trapezoid-shaped groove, an inner lining outer inclined plane attached to the window corner reinforcing inclined plane (102) is arranged at the bottom end of the receiving end steel inner lining (2), and an inner hexagonal nut hole (201) and an external thread (202) are arranged at the top end of the receiving end steel inner lining (2); the structure of the second trapezoid groove and the structure of the transmitting end steel lining (4) are respectively the same as the structure of the first trapezoid groove and the structure of the receiving end steel lining (2).
5. The low energy radiation pressure tight window assembly of claim 1, wherein: a plurality of grooves are formed in the outer end faces, in contact with the pressure bearing cavity (9), of the receiving end through window (1) and the transmitting end through window (5) respectively, and a plurality of O-shaped rings which are arranged in a crossed mode are installed in the grooves.
6. The low energy radiation pressure tight window assembly of claim 1, wherein: and a plurality of grooves provided with O-shaped rings are formed on the end surface of the receiving end taper hole screw (10) contacted with the pressure bearing cavity (9).
7. The low energy radiation pressure tight window assembly of claim 1, wherein: and a plurality of grooves provided with O-shaped rings are formed on the end surface of the transmitting end tungsten alloy screw (8) contacted with the pressure bearing cavity (9).
8. The low energy radiation pressure tight window assembly of claim 1, wherein: the receiving end through window (1) and the transmitting end through window (5) are both made of carbon fiber reinforced PEEK materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644129.4A CN109059982B (en) | 2018-06-21 | 2018-06-21 | Low-energy ray pressure-resistant sealing window penetrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810644129.4A CN109059982B (en) | 2018-06-21 | 2018-06-21 | Low-energy ray pressure-resistant sealing window penetrating device |
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| Publication Number | Publication Date |
|---|---|
| CN109059982A CN109059982A (en) | 2018-12-21 |
| CN109059982B true CN109059982B (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810644129.4A Active CN109059982B (en) | 2018-06-21 | 2018-06-21 | Low-energy ray pressure-resistant sealing window penetrating device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6389908B1 (en) * | 1997-05-30 | 2002-05-21 | Schlumberger Technology Corporation | Method and device for characterizing oil borehole effluents |
| EP2551648A1 (en) * | 2011-07-29 | 2013-01-30 | Services Pétroliers Schlumberger | A multiphase flowmeter and a correction method for such a multiphase flowmeter |
| CN103038611A (en) * | 2010-06-30 | 2013-04-10 | 普拉德研究及开发股份有限公司 | A multiphase flowmeter and liquid film measurement method |
| CN104819287A (en) * | 2014-01-31 | 2015-08-05 | 波音公司 | Pressure vessel penetrator isolation device |
| CN105890689A (en) * | 2016-05-30 | 2016-08-24 | 无锡洋湃科技有限公司 | Device and method for measuring mass flow rates of gas phase, oil phase and water phase in moisture |
| CN106768120A (en) * | 2017-01-10 | 2017-05-31 | 海默科技（集团）股份有限公司 | A kind of multi-phase flowmeter phase fraction detecting system under water |
-
2018
- 2018-06-21 CN CN201810644129.4A patent/CN109059982B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6389908B1 (en) * | 1997-05-30 | 2002-05-21 | Schlumberger Technology Corporation | Method and device for characterizing oil borehole effluents |
| CN103038611A (en) * | 2010-06-30 | 2013-04-10 | 普拉德研究及开发股份有限公司 | A multiphase flowmeter and liquid film measurement method |
| EP2551648A1 (en) * | 2011-07-29 | 2013-01-30 | Services Pétroliers Schlumberger | A multiphase flowmeter and a correction method for such a multiphase flowmeter |
| CN104819287A (en) * | 2014-01-31 | 2015-08-05 | 波音公司 | Pressure vessel penetrator isolation device |
| CN105890689A (en) * | 2016-05-30 | 2016-08-24 | 无锡洋湃科技有限公司 | Device and method for measuring mass flow rates of gas phase, oil phase and water phase in moisture |
| CN106768120A (en) * | 2017-01-10 | 2017-05-31 | 海默科技（集团）股份有限公司 | A kind of multi-phase flowmeter phase fraction detecting system under water |
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| CN109059982A (en) | 2018-12-21 |
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