CN105179693B - Pressure vessel sensor lead guiding and sealing device - Google Patents
Pressure vessel sensor lead guiding and sealing device Download PDFInfo
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- CN105179693B CN105179693B CN201510656902.5A CN201510656902A CN105179693B CN 105179693 B CN105179693 B CN 105179693B CN 201510656902 A CN201510656902 A CN 201510656902A CN 105179693 B CN105179693 B CN 105179693B
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- lead
- compression plate
- disc
- pressure vessel
- gasket seal
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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 pressure vessel sensor lead sealing device field, in particular it relates to a kind of be used for pressure vessel
The measurement line of sensor is drawn into the device of pressure vessel during mechanical meaurement.
Background technology
The test of heat-transfer pipe Flow vibration and hydraulic test of pressure vessel in nuclear reactor in-pile component, steam generator
In, substantial amounts of test sensor is all arranged inside pressure vessel.The measurement line of these sensors is drawn into pressure vessel
While again can sealed pressure vessel, and do not damage the signal transmission of sensor, need a kind of lead sealing equipment.
Test sensor includes waterproof acceierometer sensor and measurement oscillatory pressure pick-up etc., and it is typically by sensing
Device manufacturer production is into an overall structure.For the sealing of sensor internal when using under water, producer is all by sensor and survey
Amount line carries out overall processing, and other in sensor adopts BNC connector.General 12-15mm of BNC connector external diameter or so,
As shown in Fig. 1 13.It is to concentrate in together lead and then from reserved lead that traditional lead-in wire sealing mode is mainly adopted
Hole is drawn, and it is larger that general fairlead is opened, and is then sealed by the way of flange crush seal face.The method for concentrating lead
Need for the line of sensor to focus on line outlet along certain passage, concentric wiring is often less in the more complicated structure of runner
It is convenient.Not only can cause the damage of lead in installation process, and some lines are also needed to be horizontally through flow field and cause the later stage to be tested
When sensor the phenomenon that is pulled off of lead.If generally requiring to block sensor lead using the sealing header structure of rubber filling type
After reconnect, damaged the original-pack property of entirety of sensor, and sensor can not be re-used.
The content of the invention
The present invention provides a kind of pressure vessel sensor lead sealing device, installation process to solve above-mentioned technical problem
In be easy to lead, will not damage lead, ensure sensor original-pack property and reusability.
The present invention the adopted technical scheme that solves the above problems is：
A kind of pressure vessel sensor lead sealing device, including fairlead, the fairlead mouth of pipe is pressed in by fixture
Seal disc, described seal disc includes outer disk and inner disc, has multiple fairleads between described outer disk and inner disc, described
Lead-in wire sealing circle is provided with fairlead, the side wall of leaded fixing hole and lead fixing hole is set on described lead-in wire sealing circle
On be provided with for by lead introduce lead fixing hole opening, overlap with described seal disc sealing outer disk and inner disc between
Fastener is connected between the compression plate gasket seal in gap, described seal disc and compression plate gasket seal.
Preferably, the section of described lead-in wire sealing circle is into I-shaped.
Preferably, described compression plate gasket seal includes the first compression plate gasket seal and the second compression plate sealing gasket
Piece, described the first compression plate gasket seal, the second compression plate gasket seal are overlapped in respectively upper and lower two faces of seal disc
On.
Further, also including compression plate, described compression plate is located on the first compression plate gasket seal and/or the second pressure
Under tight disk gasket seal.
Further, the notch for placing lead is provided with the edge of described compression plate.
Preferably, being provided with the notch for placing lead on the edge of described compression plate gasket seal.
Preferably, in order to further strengthen its leakage prevention, also setting up fairlead gasket seal for sealing
Gap between disk and fairlead.
Preferably, described fastener is bolt and nut.
Further, spacer for bolt is installed on described bolt.
Preferably, described fixture is nut.
To sum up, the invention has the beneficial effects as follows：
1st, when sensor lead is drawn from pressure vessel, it does not destroy the structure entirety of sensor lead to the present invention
Property, it is ensured that sensor is used for multiple times.
2nd, the seal pressure of sealing device of the invention can be adjusted as needed, only need to adjust seal disc, lead-in wire sealing circle,
The thickness of compression plate gasket seal.
3rd, where just simple structure of the invention, can be with installation where lead in office.
Description of the drawings
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the structural representation of the lead-in wire sealing circle of the present invention.
Fig. 3 is the A-A views of Fig. 2.
Fig. 4 is the structural representation of the compression plate of the present invention.
Fig. 5 is the structural representation of the compression plate gasket seal of the present invention.
Fig. 6 is the structural representation of the seal disc of the present invention.
Mark and corresponding parts title in accompanying drawing：1st, lead；2nd, fairlead；3rd, fixture；4th, compression plate sealing gasket
Piece；5th, fairlead gasket seal；6th, lead-in wire sealing circle；61st, lead fixing hole；62nd, it is open；7th, spacer for bolt；8th, compression plate；
9th, seal disc；91st, outer disk；92nd, inner disc；93rd, fairlead；12nd, fastener；13rd, BNC connector.
Specific embodiment
With reference to embodiment and accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, is shown
So, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.Based on the enforcement in the present invention
Example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made is belonged to
The scope of protection of the invention.
Embodiment 1：
A kind of pressure vessel sensor lead sealing device as shown in Figure 1, including for lead to be drawn from container
Fairlead 2, the seal disc 9 of the mouth of pipe of fairlead 2 is pressed in by fixture 3, connect because one end of fairlead is provided with BNC
Head, its diameter is big, and seal disc 9 is set to into outer disk 91,92 two separate structures of inner disc, and inner disc is located in outer disk, is easy to draw
Go out BNC connector.It is easy to be fixed lead, lead-in wire sealing circle 6 is set, and multiple drawing is set between outer disk 91 and inner disc 92
String holes 93, lead-in wire sealing circle 6 is put in fairlead 93, it is ensured that the stability of lead-in wire sealing circle 6, to ensure stablizing for lead
Property.Lead-in wire sealing circle 6 is fixed using lead fixing hole 61 to lead, for the ease of introducing or snapping in introducing lead by lead
In fixing hole 61, opening 62 is set on the side wall of lead fixing hole 61.Because outer disk 91 and inner disc 92 are separated from each other, both it
Between there is leakage face, the leakage face includes fairlead and the mesopore that is connected between fairlead.Lead-in wire sealing circle 6 is to fairlead
Sealed, and compression plate gasket seal 4 is overlapped on seal disc 9, it is close to carry out to the mesopore being connected between fairlead
Envelope, i.e., to sealing gap between outer disk 91 and inner disc 92.Because seal disc 9 and compression plate gasket seal 4 are sheet knot
Structure, needs to be brought into close contact between the two and just can guarantee that its anti-leakage, therefore is connected between seal disc 9 and compression plate gasket seal 4
Stickiness of the fastener 12 with guarantee 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, to lead 1
When being sealed, according to the thickness and specification of good each structure of required pressure design, by the sensor lead in container from
Draw in fairlead, lead is introduced or snapped in introducing lead fixing hole 61, by lead-in wire sealing circle along the opening of lead-in wire sealing circle 6
6 are put in fairlead 93, then install compression plate gasket seal 4, and using fastener by seal disc 9 and compression plate sealing gasket
Piece 4 is fixed, and is finally pressed in the mouth of pipe of fairlead 2 using fixture 3.In the examination of Chinese Nuclear Power Design Academy pressure
On experiment device, the lead sealing equipment can bear the pressure of 10MPa.
Embodiment 2：
A kind of pressure vessel sensor lead sealing device with reference to shown in Fig. 1, Fig. 2 and Fig. 3, draws to further enhance
The stability of linear sealing coil structures and the anti-leakage of enhancing fairlead, the present embodiment has done excellent on the basis of above-described embodiment
Change, the section of described lead-in wire sealing circle 6 is into I-shaped.Water of the fairlead 93 between outer disk 91 and inner disc 92 from seal disc
Lead-in wire sealing circle 6 is fixed in plane；The section of lead-in wire sealing circle 6 is into I-shaped so that the two ends of lead-in wire sealing circle 6
Outer disk 91, inner disc 92 are blocked, i.e., the two ends of lead-in wire sealing circle 6 are further from the vertical guide of seal disc to lead-in wire sealing circle
6 are fixed, it is ensured that the stability of its structure.Its specification of the two ends of lead-in wire sealing circle 6 is more than fairlead 93, can improve to lead
The reliability of the sealing of hole 93, improves leakage prevention.
In practical operation, the thickness of compression plate gasket seal 4 should be with the thickness of the ledge at the two ends of lead-in wire sealing circle 6
Unanimously.
Embodiment 3：
With reference to a kind of pressure vessel sensor lead sealing device shown in Fig. 1, in order to further enhance leakage prevention and
Bearing capacity, the present embodiment optimizes on the basis of above-described embodiment, weighs respectively on upper and lower two faces of seal disc 9
Folded first compression plate gasket seal, the second compression plate gasket seal, to strengthen the sealing to being connected to mesopore between fairlead
Ability, and the quantity of compression plate gasket seal is more, its bearing capacity is stronger.
Embodiment 4：
A kind of pressure vessel sensor lead sealing device as Figure 1 and Figure 4, in order to improve its bearing capacity, leakproof
Ability, protection seal disc 9 and compression plate gasket seal 4, also include compression plate 8 on the basis of above-described embodiment, compression plate
Quantity and position can be varied as desired in, and described compression plate 8 is located on the first compression plate gasket seal and/or second compresses
Under disk gasket seal.
In order that compression plate 8 does not affect the extraction of lead, it is provided with for placing lead on the edge of described compression plate 8
Notch.
As shown in figure 5, in order that compression plate gasket seal 4 does not affect the extraction of lead, described compression plate gasket seal 4
Edge on be provided with notch for placing lead, due to lead-in wire sealing circle 6 two ends specification more than fairlead 93 rule
Lattice, therefore for the ease of the fixation of lead-in wire sealing circle 6, also allow for the placement of lead, notch should be with the two ends of lead-in wire sealing circle 6
Match somebody with somebody.
In order to further strengthen its leakage prevention, fairlead gasket seal 5 is also set up for sealing seal disc 9 and lead
Gap between pipe 2.
Described fastener 12 is bolt and nut, by bolt to be laminated compression plate 8, compression plate gasket seal 4,
Seal disc 9 is connected, and its is easily operated, and simple structure, directly in compression plate 8, compression plate gasket seal 4, seal disc 9
Upper setting screw.In order to ensure the stability of whole lead sealing equipment structure, screw is arranged on compression plate 8, compression plate
Gasket seal 4, seal disc 9 center it is preferable.
In order to avoid bolt is damaged to lead sealing equipment, to being provided with spacer for bolt 7 on described bolt.
For the ease of whole lead sealing equipment is fixed on into the fairlead mouth of pipe, fixture 3 is elected as nut.The company of nut
Mode is connect, its simple structure, and it is easily operated, and seal is strong, can improve the leakage prevention of lead sealing equipment.Certainly, its
Other forms can also be adopted.
In actual operation, in order to improve leakage prevention, the diameter of lead fixing hole 61 should be slightly less than diameter wire.
As described above, the present invention can be realized preferably.
Claims (9)
1. a kind of pressure vessel sensor lead sealing device, it is characterised in that：Press including fairlead (2), by fixture (3)
Tightly in the seal disc (9) of fairlead (2) mouth of pipe, described seal disc (9) is including outer disk (91) and inner disc (92), described outer disk
(91) there are multiple fairleads (93) and inner disc (92) between, in described fairlead (93) lead-in wire sealing circle (6), institute is provided with
It is provided with for drawing on the side wall that leaded fixing hole (61) and lead fixing hole (61) are set on the lead-in wire sealing circle (6) stated
Line introduces the opening (62) of lead fixing hole (61), and sealing outer disk (91) and inner disc (92) are overlapped with described seal disc (9)
Between gap compression plate gasket seal (4), be connected with fastening between described seal disc (9) and compression plate gasket seal (4)
Device (12)；
Described compression plate gasket seal (4) includes the first compression plate gasket seal and the second compression plate gasket seal, described
First compression plate gasket seal, the second compression plate gasket seal are overlapped in respectively on upper and lower two faces of seal disc (9).
2. a kind of pressure vessel sensor lead sealing device according to claim 1, it is characterised in that：Described lead
The section of sealing ring (6) is into I-shaped.
3. a kind of pressure vessel sensor lead sealing device according to claim 1, it is characterised in that：Also include compressing
Disk (8), described compression plate (8) is on the first compression plate gasket seal and/or under the second compression plate gasket seal.
4. a kind of pressure vessel sensor lead sealing device according to claim 3, it is characterised in that：Described compression
The notch for placing lead is provided with the edge of disk (8).
5. a kind of pressure vessel sensor lead sealing device according to claim 1, it is characterised in that：Described compression
The notch for placing lead is provided with the edge of disk gasket seal (4).
6. a kind of pressure vessel sensor lead sealing device according to claim 1, it is characterised in that：Also include for
The fairlead gasket seal (5) in the gap between sealing seal disc (9) and fairlead (2).
7. a kind of pressure vessel sensor lead sealing device according to claim 1, it is characterised in that：Described fastening
Device (12) is bolt and nut.
8. a kind of pressure vessel sensor lead sealing device according to claim 7, it is characterised in that：Described bolt
On spacer for bolt (7) is installed.
9. according to a kind of arbitrary described pressure vessel sensor lead sealing device of claim 1 to 8, it is characterised in that：Institute
The fixture (3) stated 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105179693A CN105179693A (en) | 2015-12-23 |
| CN105179693B true CN105179693B (en) | 2017-05-03 |
Family
ID=54901996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510656902.5A Active CN105179693B (en) | 2015-10-13 | 2015-10-13 | Pressure vessel sensor lead guiding and sealing device |
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| Country | Link |
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| CN (1) | CN105179693B (en) |
Families Citing this family (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 |
| CN112344023B (en) * | 2020-10-27 | 2022-08-30 | 湖南高创翔宇科技有限公司 | Assembled separation pressure testing sealing device |
Citations (5)
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|---|---|---|---|---|
| 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 |
| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3214396B2 (en) * | 1997-05-22 | 2001-10-02 | 住友電装株式会社 | Spacer for forming wiring harness gap and waterproof structure of grommet using the spacer |
| JP2002238139A (en) * | 2001-02-09 | 2002-08-23 | Izaki Kogyo:Kk | Conduit end sealing structure |
-
2015
- 2015-10-13 CN CN201510656902.5A patent/CN105179693B/en active Active
Patent Citations (5)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105179693A (en) | 2015-12-23 |
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