CN105179693A - Pressure vessel sensor lead guiding and sealing device - Google Patents
Pressure vessel sensor lead guiding and sealing device Download PDFInfo
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- CN105179693A CN105179693A CN201510656902.5A CN201510656902A CN105179693A CN 105179693 A CN105179693 A CN 105179693A CN 201510656902 A CN201510656902 A CN 201510656902A CN 105179693 A CN105179693 A CN 105179693A
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- lead
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Abstract
The invention discloses a pressure vessel sensor lead guiding and sealing device. The device comprises a lead guiding tube and a sealing disc pressed onto an orifice of the lead guiding tube through a fixing part, wherein the sealing disc comprises an outer disc body and an inner disc body, a plurality of lead guiding holes are formed between the outer disc body and the inner disc body, a lead guiding and sealing ring is arranged in each lead guiding hole, a lead guiding and fixing hole is formed in each lead guiding and sealing ring, and an opening used for guiding a lead into the corresponding lead guiding and fixing hole is formed in the side wall of each lead guiding and fixing hole; a pressing disc sealing gasket used for sealing a gap between the outer disc body and the inner disc body is arranged on the sealing disc in a stacked mode, and a fastening device is connected between the sealing disc and the pressing disc sealing gasket. By the adoption of the device, during installation, lead guiding is convenient, lead damage is avoided, and the originality and reusability of a sensor are guaranteed.
Description
Technical field
The present invention relates to pressurized container sensor lead seal arrangement field, particularly, relating to a kind of device for the slotted line of sensor being drawn during pressurized container mechanical meaurement pressurized container.
Background technique
In the test of heat-transfer pipe Flow vibration and hydraulic test of pressure vessel of nuclear reactor in-pile component, steam generator, all arrange a large amount of testing sensors in pressurized container inside.The slotted line of these sensors will be drawn while pressurized container again can sealed pressure vessel, and does not damage the signal transmission of sensor, needs a kind of lead sealing equipment.
Testing sensor comprises waterproof acceierometer sensor and measures oscillatory pressure pick-up etc., and it generally becomes an overall structure by sensor manufacturer production.In order to the sealing of sensor internal when using under water, sensor and slotted line are all carried out overall processing by producer, and at the other employing BNC connector of sensor.General about the 12-15mm of BNC connector external diameter, as shown in 13 in Fig. 1.It is concentrated in together by lead-in wire then to draw from reserved fairlead that traditional lead-in wire sealing means mainly adopts, and it is comparatively large that general fairlead is opened, and then adopts the mode in flange crush seal face to seal.Concentrate the method for lead-in wire to need the line of sensor to focus on wire outlet along certain passage, in the structure of runner more complicated, concentric wiring is often not too convenient.Not only can cause the damage of lead-in wire in installation process, and some line also needs to be horizontally through the phenomenon that when flow field causes the later stage to be tested, the lead-in wire of sensor is pulled off.If reconnected after adopting the sealing head structure of glue-filling type often to need sensor lead to block, damaged the original-pack property of entirety of sensor, and sensor can not be reused again.
Summary of the invention
The present invention provides a kind of pressurized container sensor lead seal arrangement to solve the problems of the technologies described above, and is convenient to go between, can not damage lead-in wire, the original-pack property ensureing sensor and reusability in installation process.
The present invention's adopted technological scheme that solves the problem is:
A kind of pressurized container sensor lead seal arrangement, comprise fairlead, the seal disc of the fairlead mouth of pipe is pressed in by fixed block, described seal disc comprises outer disk and inner disc, between described outer disk and inner disc, there is multiple fairlead, lead-in wire seal ring is provided with in described fairlead, described lead-in wire seal ring be provided with lead-in wire fixed hole and the sidewall of lead-in wire fixed hole be provided with the opening for lead-in wire being introduced lead-in wire fixed hole, the overlapping compression plate gasket seal having gap between sealing outer disk and inner disc on described seal disc, securing means is connected with between described seal disc and compression plate gasket seal.
As preferably, the cross section of described lead-in wire seal ring becomes " work " font.
As preferably, described compression plate gasket seal comprises the first compression plate gasket seal and the second compression plate gasket seal, and the first described compression plate gasket seal, the second compression plate gasket seal are overlapped on upper and lower two faces of seal disc respectively.
Further, also comprise compression plate, described compression plate is positioned on the first compression plate gasket seal and/or under the second compression plate gasket seal.
Further, the edge of described compression plate is provided with the notch for placing lead-in wire.
As preferably, the edge of described compression plate gasket seal is provided with the notch for placing lead-in wire.
As preferably, in order to further strengthen its leakage prevention, fairlead gasket seal is also set for sealing the gap between seal disc and fairlead.
As preferably, described securing means is bolt and nut.
Further, described bolt is provided with spacer for bolt.
As preferably, described fixed block is nut.
To sum up, the invention has the beneficial effects as follows:
1, the present invention is when drawing sensor lead in pressurized container, and it does not destroy the structural integrity of sensor lead, ensures that sensor repeatedly uses.
2, the sealing load of seal arrangement of the present invention can regulate as required, only need adjust the thickness of seal disc, lead-in wire seal ring, compression plate gasket seal.
3, structure of the present invention is simple, and the place that can in officely where just go between is installed.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of lead-in wire seal ring of the present invention.
Fig. 3 is the A-A view of Fig. 2.
Fig. 4 is the structural representation of compression plate of the present invention.
Fig. 5 is the structural representation of compression plate gasket seal of the present invention.
Fig. 6 is the structural representation of seal disc of the present invention.
Mark and corresponding component title in accompanying drawing: 1, go between; 2, fairlead; 3, fixed block; 4, compression plate gasket seal; 5, fairlead gasket seal; 6, go between seal ring; 61, go between fixed hole; 62, opening; 7, spacer for bolt; 8, compression plate; 9, seal disc; 91, outer disk; 92, inner disc; 93, fairlead; 12, securing means; 13, BNC connector.
Embodiment
Below in conjunction with embodiment and accompanying drawing, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
A kind of pressurized container sensor lead seal arrangement as shown in Figure 1, the seal disc 9 comprise the fairlead 2 for being drawn in container by lead-in wire, being pressed in fairlead 2 mouth of pipe by fixed block 3, because one end of fairlead is provided with BNC connector, its diameter is large, seal disc 9 is set to outer disk 91, inner disc 92 two structures of separating, inner disc is positioned at outer disk, is convenient to draw BNC connector.Be convenient to be fixed lead-in wire, lead-in wire seal ring 6 be set, and multiple fairlead 93 is set between outer disk 91 and inner disc 92, lead-in wire seal ring 6 is put in fairlead 93, ensure the stability of lead-in wire seal ring 6, to ensure the stability gone between.Lead-in wire seal ring 6 utilizes lead-in wire fixed hole 61 to be fixed lead-in wire, introduces in lead-in wire fixed hole 61, the sidewall of lead-in wire fixed hole 61 arranges opening 62 for the ease of being introduced by lead-in wire or snapping in.Because outer disk 91 and inner disc 92 are separated from each other, there is leakage face between the two, this leakage face comprises fairlead and is connected to the mesopore between fairlead.Lead-in wire seal ring 6 pairs of fairleads seal, and on seal disc 9 overlapping compression plate gasket seal 4, to seal the mesopore be connected between fairlead, namely to sealing gap between outer disk 91 and inner disc 92.Because seal disc 9 and compression plate gasket seal 4 are sheet structure, need between the two to fit tightly its anti-leakage of guarantee, therefore between seal disc 9 and compression plate gasket seal 4, be connected with securing means 12 to ensure stickiness between the two.
Apparatus of the present invention can be used on the container of Steam Generators in NPP heat-transfer pipe Flow vibration test, when sealing lead-in wire 1, according to thickness and the specification of required pressure design each structure good, sensor lead in container is drawn from fairlead, lead-in wire is introduced or snaps in introducing lead-in wire fixed hole 61 along the opening of lead-in wire seal ring 6, lead-in wire seal ring 6 is put into fairlead 93, install compression plate gasket seal 4 again, and utilize securing means seal disc 9 and compression plate gasket seal 4 to be fixed, fixed block 3 is finally utilized to be pressed in fairlead 2 mouth of pipe.On Chinese Nuclear Power Design Academy pressure experimental device, this lead sealing equipment can bear the pressure of 10MPa.
Embodiment 2:
With reference to a kind of pressurized container sensor lead seal arrangement shown in Fig. 1, Fig. 2 and Fig. 3, in order to strengthen the stability of lead-in wire ring structure further and strengthen the anti-leakage of fairlead, the present embodiment is optimized on the basis of above-described embodiment, and the cross section of described lead-in wire seal ring 6 becomes " work " font.Fairlead 93 between outer disk 91 and inner disc 92 is fixed lead-in wire seal ring 6 from the horizontal plane of seal disc; The cross section of lead-in wire seal ring 6 becomes " work " font, and outer disk 91, inner disc 92 are blocked by the two ends of lead-in wire seal ring 6, and the two ends of the seal ring 6 that namely goes between further are fixed lead-in wire seal ring 6 from the vertical guide of seal disc, ensure the stability of its structure.Its specification of two ends of lead-in wire seal ring 6 is greater than fairlead 93, can improve the reliability sealed fairlead 93, improves leakage prevention.
In practical operation, the thickness of compression plate gasket seal 4 should with the consistency of thickness of the projection at lead-in wire seal ring 6 two ends.
Embodiment 3:
With reference to a kind of pressurized container sensor lead seal arrangement shown in Fig. 1, in order to strengthen leakage prevention and bearing capacity further, the present embodiment is optimized on the basis of above-described embodiment, difference overlapping first compression plate gasket seal, the second compression plate gasket seal on upper and lower two faces of seal disc 9, to strengthen the sealability being connected to mesopore between fairlead, and the quantity of compression plate gasket seal is more, its bearing capacity is stronger.
Embodiment 4:
A kind of pressurized container sensor lead seal arrangement as Figure 1 and Figure 4; in order to improve its bearing capacity, leakage prevention; protection seal disc 9 and compression plate gasket seal 4; the basis of above-described embodiment also comprises compression plate 8; the quantity of compression plate and position can change as required, and described compression plate 8 is positioned on the first compression plate gasket seal and/or under the second compression plate gasket seal.
In order to the extraction making compression plate 8 not affect lead-in wire, the edge of described compression plate 8 is provided with the notch for placing lead-in wire.
As shown in Figure 5, in order to the extraction making compression plate gasket seal 4 not affect lead-in wire, the edge of described compression plate gasket seal 4 is provided with the notch for placing lead-in wire, specification due to the two ends of the seal ring 6 that goes between is greater than the specification of fairlead 93, therefore fixing for the ease of lead-in wire seal ring 6, also be convenient to the placement of lead-in wire, notch should mate with the two ends of lead-in wire seal ring 6.
In order to further strengthen its leakage prevention, fairlead gasket seal 5 is also set for sealing the gap between seal disc 9 and fairlead 2.
Described securing means 12 is bolt and nut, by bolt to stacked compression plate 8, compression plate gasket seal 4, being connected and fixed of seal disc 9, it is easy to operation, and structure is simple, directly on compression plate 8, compression plate gasket seal 4, seal disc 9, arranges screw.In order to ensure the stability of whole lead sealing equipment structure, screw be arranged on compression plate 8, compression plate gasket seal 4, seal disc 9 center better.
In order to avoid bolt damages lead sealing equipment, on described bolt, spacer for bolt 7 is installed.
For the ease of whole lead sealing equipment is fixed on the fairlead mouth of pipe, elect fixed block 3 as nut.The Placement of nut, its structure is simple, and is easy to operation, and seal is strong, can improve the leakage prevention of lead sealing equipment.Certainly, it can also adopt other forms.
In the operation of reality, in order to improve leakage prevention, the diameter of lead-in wire fixed hole 61 should be slightly less than diameter wire.
As mentioned above, the present invention can be realized preferably.
Claims (10)
1. a pressurized container sensor lead seal arrangement, it is characterized in that: comprise fairlead (2), the seal disc (9) of fairlead (2) mouth of pipe is pressed in by fixed block (3), described seal disc (9) comprises outer disk (91) and inner disc (92), between described outer disk (91) and inner disc (92), there is multiple fairlead (93), lead-in wire seal ring (6) is provided with in described fairlead (93), described lead-in wire seal ring (6) be provided with lead-in wire fixed hole (61) and the sidewall of lead-in wire fixed hole (61) be provided with the opening (62) for lead-in wire being introduced lead-in wire fixed hole (61), the upper overlap of described seal disc (9) has the compression plate gasket seal (4) in gap between sealing outer disk (91) and inner disc (92), securing means (12) is connected with between described seal disc (9) and compression plate gasket seal (4).
2. a kind of pressurized container sensor lead seal arrangement according to claim 1, is characterized in that: the cross section of described lead-in wire seal ring (6) becomes " work " font.
3. a kind of pressurized container sensor lead seal arrangement according to claim 1, it is characterized in that: described compression plate gasket seal (4) comprises the first compression plate gasket seal and the second compression plate gasket seal, the first described compression plate gasket seal, the second compression plate gasket seal are overlapped on upper and lower two faces of seal disc (9) respectively.
4. a kind of pressurized container sensor lead seal arrangement according to claim 3, is characterized in that: also comprise compression plate (8), and described compression plate (8) is positioned on the first compression plate gasket seal and/or under the second compression plate gasket seal.
5. a kind of pressurized container sensor lead seal arrangement according to claim 4, is characterized in that: the edge of described compression plate (8) is provided with the notch for placing lead-in wire.
6. a kind of pressurized container sensor lead seal arrangement according to claim 1, is characterized in that: the edge of described compression plate gasket seal (4) is provided with the notch for placing lead-in wire.
7. a kind of pressurized container sensor lead seal arrangement according to claim 1, is characterized in that: also comprise the fairlead gasket seal (5) for sealing the gap between seal disc (9) and fairlead (2).
8. a kind of pressurized container sensor lead seal arrangement according to claim 1, is characterized in that: described securing means (12) is bolt and nut.
9. a kind of pressurized container sensor lead seal arrangement according to claim 8, is characterized in that: described bolt is provided with spacer for bolt (7).
10., according to the arbitrary described a kind of pressurized container sensor lead seal arrangement of claim 1 to 9, it is characterized in that: described fixed block (3) is nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656902.5A CN105179693B (en) | 2015-10-13 | 2015-10-13 | Pressure vessel sensor lead guiding and sealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656902.5A CN105179693B (en) | 2015-10-13 | 2015-10-13 | Pressure vessel sensor lead guiding and sealing device |
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| CN105179693A true CN105179693A (en) | 2015-12-23 |
| CN105179693B CN105179693B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510656902.5A Active CN105179693B (en) | 2015-10-13 | 2015-10-13 | Pressure vessel sensor lead guiding and sealing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248303A (en) * | 2016-07-15 | 2016-12-21 | 中国核动力研究设计院 | The pressurizer of detection waterproof sealing performance of sensors |
| CN107064451A (en) * | 2017-03-21 | 2017-08-18 | 平安煤炭开采工程技术研究院有限责任公司 | Sensor lead sealing device |
| CN112344023A (en) * | 2020-10-27 | 2021-02-09 | 常德翔宇设备制造有限公司 | Assembled separation pressure testing sealing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10322858A (en) * | 1997-05-22 | 1998-12-04 | Sumitomo Wiring Syst Ltd | Spacer for formation of space in wire harness, and waterproof structure of grommet using that spacer |
| US5861577A (en) * | 1992-06-05 | 1999-01-19 | Hitachi Construction Machinery Co., Ltd. | Seal structure for member-passing-through hole bored in metal partition member |
| JP2002238139A (en) * | 2001-02-09 | 2002-08-23 | Izaki Kogyo:Kk | Conduit end sealing structure |
| CN102518877A (en) * | 2011-12-28 | 2012-06-27 | 北京新风机械厂 | Method and special device for sealing educed lead of sensor of pressure-bearing container |
| CN203322514U (en) * | 2013-06-19 | 2013-12-04 | 中国航空工业集团公司沈阳发动机设计研究所 | Sealing device for leading out of test wire in cavity of pressure vessel under high-temperature state |
| CN204459485U (en) * | 2015-02-25 | 2015-07-08 | 武汉理工大学 | Sensor conductor seal arrangement |
| CN204533837U (en) * | 2015-01-22 | 2015-08-05 | 江西科技师范大学 | Be suitable for the ultrahigh pressure vessel outgoing line sealing device of positive/negative-pressure state |
-
2015
- 2015-10-13 CN CN201510656902.5A patent/CN105179693B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5861577A (en) * | 1992-06-05 | 1999-01-19 | Hitachi Construction Machinery Co., Ltd. | Seal structure for member-passing-through hole bored in metal partition member |
| JPH10322858A (en) * | 1997-05-22 | 1998-12-04 | Sumitomo Wiring Syst Ltd | Spacer for formation of space in wire harness, and waterproof structure of grommet using that spacer |
| JP2002238139A (en) * | 2001-02-09 | 2002-08-23 | Izaki Kogyo:Kk | Conduit end sealing structure |
| CN102518877A (en) * | 2011-12-28 | 2012-06-27 | 北京新风机械厂 | Method and special device for sealing educed lead of sensor of pressure-bearing container |
| CN203322514U (en) * | 2013-06-19 | 2013-12-04 | 中国航空工业集团公司沈阳发动机设计研究所 | Sealing device for leading out of test wire in cavity of pressure vessel under high-temperature state |
| CN204533837U (en) * | 2015-01-22 | 2015-08-05 | 江西科技师范大学 | Be suitable for the ultrahigh pressure vessel outgoing line sealing device of positive/negative-pressure state |
| CN204459485U (en) * | 2015-02-25 | 2015-07-08 | 武汉理工大学 | Sensor conductor seal arrangement |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106248303A (en) * | 2016-07-15 | 2016-12-21 | 中国核动力研究设计院 | The pressurizer of detection waterproof sealing performance of sensors |
| CN107064451A (en) * | 2017-03-21 | 2017-08-18 | 平安煤炭开采工程技术研究院有限责任公司 | Sensor lead sealing device |
| CN112344023A (en) * | 2020-10-27 | 2021-02-09 | 常德翔宇设备制造有限公司 | Assembled separation pressure testing sealing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105179693B (en) | 2017-05-03 |
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