CN109309369A - It is a kind of for sealing the plug of meter probe signal wire - Google Patents
It is a kind of for sealing the plug of meter probe signal wire Download PDFInfo
- Publication number
- CN109309369A CN109309369A CN201710622011.7A CN201710622011A CN109309369A CN 109309369 A CN109309369 A CN 109309369A CN 201710622011 A CN201710622011 A CN 201710622011A CN 109309369 A CN109309369 A CN 109309369A
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- CN
- China
- Prior art keywords
- plug
- gland
- gasket
- seat
- plug seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
Abstract
The present invention relates to a kind of for sealing the plug of meter probe signal wire, belongs to the technical field of oil movement and storage.The plug includes having the plug seat of cavity and being connected on one end of the plug seat, the plug gland for sealing the cavity, and the plug gland includes gland body and the gasket between the plug seat and the gland body；Connection bolt is provided on the gasket, a terminals of the connection bolt are located in the cavity, another terminals of the connection bolt are located at the outside of the gland body.Plug provided in an embodiment of the present invention solves the problems, such as meter probe signal wire directly through poorly sealed caused by gasket, can be realized and lubricating oil is fully sealed, and guarantees that oil gas does not leak outside；It avoids lubricating oil from wasting, eliminates lubricating oil to the corrosion of electronic component and the security risk of oil leakage.
Description
Technical field
It is the present invention relates to the technical field of oil movement and storage, in particular to a kind of for sealing the stifled of meter probe signal wire
Head.
Background technique
Compressor is natural gas transportation pipeline core equipment, and compressor rotary speed is typically all high speed rotation, and general revolving speed exists
4500r/min-5500r/min, equipment high-speed rotating in this way must be lubricated bearing, at the same need to temperature to bearing into
Row on-line checking, to grasp the operating condition of compressor.
When passing in and out bearing tank wall, compressor temperature probe signal lead plug exists existing temp probe signal lead
Leakage.Lubricating oil temperature is higher when compressor is run, and oil gas is generally generated in 60 DEG C -70 DEG C or so, bearing housing, existing
Bearing of compressor temp probe signal lead plug sealing it is bad, oil gas sheds outward from temp probe signal lead pipe.By
Lower in temperature in temp probe signal lead pipe, the oil gas given out forms oil droplet in instrument fairlead, by for a long time
Accumulation, the certain lubricating oil of accumulation, lubricating oil enter terminal box along instrument cable penetration pipe in temp probe signal lead pipe,
Parts of lubricating oil enters compressor control case.Compressor control case is provided with intelligent control module, and lubricating oil is in compressor control
Oil and gas can be generated in case, and the oil and gas generated is further attached on intelligent control module, is produced to intelligent control module electronic component
Raw corrosion.
In the implementation of the present invention, the inventors discovered that in the prior art the prior art has at least the following problems: existing pressure
Contracting machine generallys use oil resistant rubber sealing, as shown in Figure 1, temp probe lead passes through oil-resistant rubber ring 1 ', is squeezed with hollow head 2 '
Pressure rubber ring 1 ' is sealed.Minimum temperature is at subzero 10 DEG C hereinafter, and compressor when running, temperature at seal head at seal head
Generally at 60 DEG C or more.It is squeezed under 1 ' through a long time of rubber ring, the big temperature difference and is bound to cause damage failure, to lose sealing function
Can, and be difficult to accomplish to be fully sealed for a long time.Oil gas is leaked out from seal clearance, finally enters pressure by fairlead into terminal box
Contracting machine control cabinet, influences control element, lubricating oil is caused to waste, and pollutes environment, there are security risks.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of for sealing the plug of meter probe signal wire, should
Oil gas can be fully sealed in plug, guarantee that lubricating oil is not revealed.
Specifically, including technical solution below:
It is a kind of for sealing the plug of meter probe signal wire, including with cavity plug seat and be connected to the plug
Seat one end on, the plug gland for sealing the cavity, the plug gland include gland body and be located at the plug
Gasket between seat and the gland body；
Connection bolt is provided on the gasket, a terminals of the connection bolt are located in the cavity,
Another terminals of the connection bolt are located at the outside of the gland body.
Preferably, the material of the gasket is polytetrafluoroethylene (PTFE).
Further, the gland body of the plug gland is cylindrical shape, and the bottom of the gland body is arranged
There is flange outstanding inwardly, the flange forms circular port in the bottom of the gland body, and the diameter of the circular port is small
In the diameter of the gasket.
Preferably, the diameter of the gasket is not less than the internal diameter of the gland body.
Preferably, on the inner wall of the gland body have internal screw thread, for on described one end of the plug seat
External screw thread connection.
Preferably, the plug seat is connected to by the other end of the plug seat with Devices to test.
Preferably, the Devices to test is bearing of compressor case.
It preferably, is to be threadedly coupled between the other end of the plug seat and the Devices to test.
Preferably, the cavity of the plug seat includes being located at first chamber of described one end of the plug seat and being located at
Second chamber of the other end of the plug seat, first chamber are connected to second chamber, and the internal diameter of first chamber
Greater than the internal diameter of second chamber.
Preferably, the plug seat and the material of the gland body are stainless steel.
Technical solution provided in an embodiment of the present invention is used to seal meter probe signal wire the utility model has the advantages that providing one kind
Plug, which includes plug seat and plug gland, and one end of the plug gland is provided with gasket, sets on the gasket
Connection bolt is set, so that the meter probe signal wire being sealed in plug seat is electrically connected with external instrument, to realize measurement.Make
Used time connects meter probe signal wire on connection bolt, and the gasket connected is then packed into plug gland, tightens plug pressure
Lid compresses gasket.Plug provided in an embodiment of the present invention solves meter probe signal wire directly through caused by gasket
Poorly sealed problem can be realized and lubricating oil is fully sealed for a long time, guarantee that oil gas does not leak outside；It avoids lubricating oil from wasting, eliminates
Corrosion of the lubricating oil to electronic component is conducive to compressor operation.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is existing for sealing the structural schematic diagram of the plug of meter probe signal wire；
Fig. 2 is provided in an embodiment of the present invention a kind of for sealing the structural representation of the plug of sealing meter probe signal wire
Figure；
Fig. 3 is the structural schematic diagram of the plug seat in Fig. 2；
Fig. 4 is the structural schematic diagram of the gland body in Fig. 2.
Appended drawing reference in figure respectively indicates:
1 ', rubber ring；
2 ', hollow head；
1, plug seat；
2, plug gland；
3, gland body；
4, gasket；
5, connection bolt；51, a terminals；52, another terminals；
6, flange；
7, the first chamber；
8, the second chamber；
9, cavity；
10, Devices to test.
Specific embodiment
To keep technical solution of the present invention and advantage clearer, below in conjunction with attached drawing to embodiment of the present invention make into
One step it is described in detail.Unless otherwise defined, all technical terms used in the embodiment of the present invention all have and art technology
The normally understood identical meaning of personnel.
The embodiment of the present invention provide it is a kind of for sealing the plug of meter probe signal wire, as shown in Figure 1, the plug includes
It plug seat 1 with cavity 9 and is connected on one end of plug seat 1, the plug gland 2 for sealing cavity 9, plug gland 2
Gasket 4 including gland body 3 and between plug seat 1 and gland body 3；Connection bolt is provided on gasket 4
5, a terminals 51 of connection bolt 5 are located in cavity 9, another terminals 52 of connection bolt 5 are located at gland body 3
Outside.
It should be noted that the plug seat 1 with cavity 9 is hollow structure, in use, one end of plug seat 1 and stifled
Head gland 2 connects, and the other end of plug seat 1 is connected on Devices to test 10, so that Devices to test 10 is connected to cavity 9, and leads to
Chamber 9 is sealed by plug gland 2.For measure Devices to test 10 meter probe signal wire one end from cavity 9 protrude into
In measurement equipment 10, the other end of meter probe signal wire is sealed in cavity 9 by plug gland 2.In addition, being arranged on gasket 4
Connection bolt 5, connection bolt 5 passes through gasket 4, and is pressed abd fixed on gasket 4, and connection bolt 5 will be for that will be sealed in
Meter probe signal wire in cavity 9 is electrically connected with external instrument, and the quantity of connection bolt 5 can be according to meter probe signal wire
Single line quantity set, such as can be two, three etc..
Plug provided in an embodiment of the present invention is arranged gasket on plug gland and is sealed to plug seat, while
Connection bolt is set on gasket, so that the meter probe signal wire being sealed in plug seat is electrically connected with external instrument, with
Realize measurement.In use, connecing meter probe signal wire on connection bolt, the gasket connected is then packed into plug pressure
Lid tightens plug gland and compresses gasket.Plug provided in an embodiment of the present invention solve meter probe signal wire directly through
Poorly sealed problem caused by gasket can be realized and lubricating oil is fully sealed for a long time, guarantee that oil gas does not leak outside；Avoid lubricating oil
Waste, eliminates corrosion of the lubricating oil to electronic component, is conducive to compressor operation, eliminates oil leakage security risk.
In above-mentioned plug, the material of plug seat 1 and gland body 3 is stainless steel, specifically optional stainless steel 304 material
Material.
In above-mentioned plug, there is no considered critical to the material of gasket 4, can satisfy the demand.It is preferred that
Ground, the optional polytetrafluoroethylene (PTFE) of the material of gasket 4.Polytetrafluoroethylene (PTFE) has resistance to chemical corrosion and dielectric properties.In addition, poly-
Tetrafluoroethene is a kind of good static and dynamic sealing material, has low-friction coefficient, wear-resisting, resistant to chemical etching, leakproofness well, no
It the excellent performances such as hydrolyzes, be not hardened, the sealing demand to oil gas can be met well.
In above-mentioned plug, plug seat 1 is the cylindrical shape with cavity 9, as shown in figure 3, for the ease of sealing and installing,
The gland body 3 of settable plug gland 2 is also cylindrical shape, as shown in figure 4, and the bottom of gland body 3 be provided with inwardly
Flange 6 outstanding, flange 6 are formed with circular port in the bottom of gland body 3, and the diameter of circular port is less than the diameter of gasket 4.
In use, gasket 4 to be packed into the bottom of gland body 3, gland body 3 is connect with plug seat 1, compresses gasket 4.
In above-mentioned plug, it is preferable that the diameter of setting gasket 4 is not less than the internal diameter of gland body 3, so that plug
One end that seat 1 is contacted with gasket 4 can compress gasket 4, guarantee to be fully sealed.
In above-mentioned plug, there is no considered critical to the connection type between plug seat 1 and Devices to test 10, in order to just
To be threadedly coupled between sealing, preferably settable plug seat 1 and Devices to test 10, and it is highly preferred that plug seat 1 is set
The external screw thread of one end is connect with the internal screw thread of Devices to test 10.Similarly, for the ease of sealing, preferably settable plug seat 1
Also to be threadedly coupled between gland body 3, and it is highly preferred that the external screw thread and gland body 3 of 1 other end of plug seat are set
Internal screw thread connection compresses gasket 4 in order to tighten plug gland 2.
It in above-mentioned plug, is connected on Devices to test 10 for the ease of plug seat 1, plug seat 1 and Devices to test 10
The outer diameter of one end of connection is smaller than the outer diameter of one end that plug seat 1 is connect with gland body 3, as shown in Figure 3；Correspondingly, may be used
It includes positioned at first chamber 7 of one end (one end connecting with gland body 3) of plug seat 1 and positioned at plug seat 1 that cavity 9, which is arranged,
Second chamber 8 of the other end (one end connecting with Devices to test 10), the first chamber 7 are connected to the second chamber 8, and the internal diameter of the first chamber 7
Greater than the internal diameter of the second chamber 8.
In embodiments of the present invention, will be with Devices to test 10 for bearing of compressor case, and instrument is for measuring compressor shaft
It holds for the temperature of case and the design method of the plug is further described.(however, plug provided by the invention is not limited to use
On bearing of compressor case, it is also not necessarily limited to seal the signal wire for measuring temperature.)
On the compressor produced with middle petroleum West Pipeline Xinjiang oil transportation gas branch company pier compressor station, 3 General Corporations
For being applied.Wherein steps are as follows for the design and installation of plug:
Step 1 removes original hollow plug, and the screw thread of the former hollow plug of measurement designs plug pressure according to site space
The size of the gland body 3 of lid 2, for example, the internal diameter of gland body 3 can be 24mm, length can be 20mm；
Step 2, according to the size of gland body 3, gasket 4 is processed into using polytetrafluoroethylene (PTFE), the thickness of gasket 4 can
To select 4-5 millimeters thick, and the outer diameter of gasket 4 and the cooperation of gland body 3 are preferably interference fitted, with the sealing effect being optimal
Fruit；
Step 3, on gasket 4 three connection bolts 5 of uniform design position, electric drill punching, the diameter in hole and selection
The diameter of bolt be interference fit, make it have preferable sealing effect, such as can be the brass bolt of M4, fit sealing pad 4
On nut, link bolt 5；
Step 4 is fixed on plug seat 1 on bearing of compressor tank wall, and temp probe signal lead passes through plug seat 1, root
It is actually needed according to scene and temp probe signal lead is truncated, connect on a terminals 51 of the connection bolt 5 of gasket 4.
Step 5, fastening plug gland 2, compress gasket 4, the another of temp probe lead of truncation are terminated at wiring
On another terminals 52 of bolt 5.
Step 6 checks whether instrument temperature display is normal, can observe oil leakage situation for a long time.
After the completion of implementation, by observation in 10 months, the temp probe signal lead plug good seal of bearing of compressor,
Sealing effect is significantly improved.
The above is merely for convenience of it will be understood by those skilled in the art that technical solution of the present invention, not to limit
The present invention.All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this
Within the protection scope of invention.
Claims (10)
1. it is a kind of for sealing the plug of meter probe signal wire, including the plug seat (1) with cavity (9) and it is connected to described
Plug gland (2) on one end of plug seat (1), for sealing the cavity (9), which is characterized in that the plug gland (2)
Gasket (4) including gland body (3) and between the plug seat (1) and the gland body (3)；
It is provided on the gasket (4) connection bolt (5), a terminals (51) of the connection bolt (5) is located at institute
It states in cavity (9), another terminals (52) of the connection bolt (5) are located at the outside of the gland body (3).
2. plug according to claim 1, which is characterized in that the material of the gasket (4) is polytetrafluoroethylene (PTFE).
3. plug according to claim 1, which is characterized in that the gland body (3) of the plug gland (2) is circle
Tubular, and the bottom of the gland body (3) is provided with the flange (6) protruded inwardly, the flange (6) is in the gland sheet
Circular port is formed on the bottom of body (3), and the diameter of the circular port is less than the diameter of the gasket (4).
4. plug according to claim 3, which is characterized in that the diameter of the gasket (4) is not less than the gland sheet
The internal diameter of body (3).
5. plug according to claim 4, which is characterized in that there is internal screw thread on the inner wall of the gland body (3), use
It is connect in the external screw thread on described one end of the plug seat (1).
6. plug according to claim 1, which is characterized in that the plug seat (1) is another by the plug seat (1)
End is connected to Devices to test (10).
7. plug according to claim 6, which is characterized in that the Devices to test (10) is bearing of compressor case.
8. plug according to claim 7, which is characterized in that the other end of the plug seat (1) with it is described to be measured
It is threaded connection between equipment (10).
9. plug according to claim 8, which is characterized in that the cavity (9) of the plug seat (1) includes being located at institute
It states first chamber (7) of described one end of plug seat (1) and is located at the second chamber (8) of the other end of the plug seat (1), institute
It states the first chamber (7) to be connected to second chamber (8), and the internal diameter of first chamber (7) is greater than the internal diameter of second chamber (8).
10. plug according to claim 1, which is characterized in that the material of the plug seat (1) and the gland body (3)
Material is stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622011.7A CN109309369B (en) | 2017-07-27 | 2017-07-27 | Plug for sealing instrument probe signal line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710622011.7A CN109309369B (en) | 2017-07-27 | 2017-07-27 | Plug for sealing instrument probe signal line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109309369A true CN109309369A (en) | 2019-02-05 |
| CN109309369B CN109309369B (en) | 2020-08-11 |
Family
ID=65201799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710622011.7A Active CN109309369B (en) | 2017-07-27 | 2017-07-27 | Plug for sealing instrument probe signal line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109309369B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289589A (en) * | 2019-06-18 | 2019-09-27 | 河海大学 | A kind of super-pressure CO2Fracturing pipe electric line sealing device and its application method |
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| US6454774B1 (en) * | 1998-05-09 | 2002-09-24 | Gms Gesellschaft Fur Medizinische Sondentechnik Mbh | Device for introducing brain probes |
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| CN201215550Y (en) * | 2008-06-05 | 2009-04-01 | 天津水利电力机电研究所 | General oil water mixed transferring display controller |
| CN202119456U (en) * | 2011-05-25 | 2012-01-18 | 国电南京自动化股份有限公司 | Installing apparatus for device online monitoring |
| CN103620072A (en) * | 2011-06-21 | 2014-03-05 | 罗伯特·博世有限公司 | Use of a hot gas corrosion-resistant ductile alloy |
| CN103904531A (en) * | 2014-04-23 | 2014-07-02 | 株洲市荣达铁路机电有限公司 | Method for manufacturing electric locomotive transformer oil pump wiring board |
| CN205423577U (en) * | 2016-03-16 | 2016-08-03 | 许昌禹龙发电有限责任公司 | A line concentration fixed seal device that is used for power plant favourable turn bearing box inside lead |
| CN205426350U (en) * | 2016-03-16 | 2016-08-03 | 江苏金工科技集团有限公司 | Online leaking stoppage replacement sensor device |
-
2017
- 2017-07-27 CN CN201710622011.7A patent/CN109309369B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6454774B1 (en) * | 1998-05-09 | 2002-09-24 | Gms Gesellschaft Fur Medizinische Sondentechnik Mbh | Device for introducing brain probes |
| CN201134938Y (en) * | 2007-12-26 | 2008-10-15 | 广西玉柴机器股份有限公司 | Novel electric heating tube |
| CN201215550Y (en) * | 2008-06-05 | 2009-04-01 | 天津水利电力机电研究所 | General oil water mixed transferring display controller |
| CN202119456U (en) * | 2011-05-25 | 2012-01-18 | 国电南京自动化股份有限公司 | Installing apparatus for device online monitoring |
| CN103620072A (en) * | 2011-06-21 | 2014-03-05 | 罗伯特·博世有限公司 | Use of a hot gas corrosion-resistant ductile alloy |
| CN103904531A (en) * | 2014-04-23 | 2014-07-02 | 株洲市荣达铁路机电有限公司 | Method for manufacturing electric locomotive transformer oil pump wiring board |
| CN205423577U (en) * | 2016-03-16 | 2016-08-03 | 许昌禹龙发电有限责任公司 | A line concentration fixed seal device that is used for power plant favourable turn bearing box inside lead |
| CN205426350U (en) * | 2016-03-16 | 2016-08-03 | 江苏金工科技集团有限公司 | Online leaking stoppage replacement sensor device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289589A (en) * | 2019-06-18 | 2019-09-27 | 河海大学 | A kind of super-pressure CO2Fracturing pipe electric line sealing device and its application method |
| CN110289589B (en) * | 2019-06-18 | 2020-07-17 | 河海大学 | Ultrahigh pressure CO2Fracturing pipe electric line sealing device and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109309369B (en) | 2020-08-11 |
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