CN106848994A - Compressor set shafting instrument detection probe lead oil leak sealing and connecting device - Google Patents
Compressor set shafting instrument detection probe lead oil leak sealing and connecting device Download PDFInfo
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- CN106848994A CN106848994A CN201510883730.5A CN201510883730A CN106848994A CN 106848994 A CN106848994 A CN 106848994A CN 201510883730 A CN201510883730 A CN 201510883730A CN 106848994 A CN106848994 A CN 106848994A
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- probe lead
- detection probe
- compressor set
- oil leak
- instrument detection
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Abstract
The invention provides a kind of compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the attachment means are connected with the probe lead wire of the detection probe being installed on the compressor, it is characterised in that the attachment means include：Articulation, binding post, terminal box, injecting glue seal box, connection flexible pipe, junction box, the probe lead wire through the articulation enter the terminal box in be connected with the front end of the binding post, the rear end of the binding post connects a private cable, and the private cable penetrates the injecting glue seal box injecting glue and through in the flexible pipe access junction box.
Description
Technical field
The present invention is for such as detection such as displacement, vibration, temperature of turbo compressor unit shafting Examination system of instrument
Probe lead wire connection prevents the device of oil leak, and in particular to be that compressor set shafting instrument detection probe is drawn
Line oil leak sealing and connecting device.
Background technology
Turbo compressor unit is widely applied in the production such as oil and chemical industry, it is generally by driving steamer
The systems such as machine, shaft coupling, centrifugal compressor, lubricating oil station are constituted.To ensure unit safety operation, keep away
Exempting from equipment fault causes heavy losses, compressor set to be provided with Machinery State Monitoring System and all kinds of interlockings
Protection system.According to statistics, mechanical oscillation fault rate is up to more than 60%, therefore, ensuring with rotor string monitoring instrument
Table, such as：The reliability service of the detection probes such as vibration, displacement, rotating speed, bearing bush temperature is particularly important.Pressure
Contracting shaft system of unit instrument monitoring system can be generally divided into two classes：The displacement of first kind shafting, vibration, rotating speed
Equiaxial dynamic monitoring system, detection parameter reaction speed is very fast；Static temperature of the Equations of The Second Kind relative to bearing shell
Detecting system, reaction relatively exists certain delayed slowly.The probe such as shafting displacement, vibration, rotating speed is divided into machine
Install and installed with outside machine；Bearing bush temperature probe is generally in machine to be installed.Due to any of the above mounting means,
The detection probes such as vibration, displacement, rotating speed, bearing bush temperature and the probe being connected with those detection probes draw
Line is all in contact with lubricating oil in various degree, and probe lead wire soaks in lubricating oil high temperature and occurs old for a long time
Change, embrittlement, cause lubricating oil to leak into compressor set outside (outward) along probe lead wire by cracking.
It is in the past general using injecting glue sealing, by winding Teflon tap, insulating tape, installing each additional such issues that treatment
Plug of the form of kind etc. is sealed and takes the method for improving compressor set exit point position to solve probe and draws
Line Leakage, for example with following method：
1. take injecting glue to seal general using 704 fluid sealants, Oil-proof Silicone Sealant or explosion-proof clay etc.,
It is mainly used in probe lead wire to be sealed with the perfusion of compressor set outlet gap.Have the disadvantage to reach oil-leakage-prevention effect
Hardening time it is more long；When environment temperature is higher, part fluid sealant long-term use is easy to crack；Due to using
Injecting glue is sealed, and difficulty is dismounted when detection probe is damaged, and is not only wasted time and energy, and also easily causes intact probe
The damage of lead, increases spare part expense.
2. plug seal form, typically there is single hole, diplopore, loose structure, is mainly used in compressor body and goes out
The sealing of probe lead wire in mouth jointing.When compressor body shafting probe is installed, due to probe connector
Relative connection probe lead wire external diameter is big, to ensure probe lead wire sealing, needs specific purpose tool to draw during installation.
Seal clearance is non-adjustable, easily causes and damaged at probe interface.
3. Teflon tap is typically used in combination with insulated enclosure adhesive tape with injecting glue sealing, plug sealing, adjusts close
Envelope gap, using effect is not good.
4. the way for improving the probe lead wire outlet link position of compressor set is by probe lead wire outlet port
Higher than lubrication pasta certain altitude in compressor set, it is to avoid or reduction lubricating oil is flowed outwardly.But in lubrication
Oil temperature is higher, and probe lead wire breakage individually uses the method under the conditions of waiting, and using effect is not good.
So far, any of the above solution is no thoroughly solves compressor set probe lead wire Leakage,
Not only cause environmental pollution, increase lubrication oil consumption, also easily trigger the generation of fire incident.
The content of the invention
It is an object of the invention to solve compressor set shafting instrument detection probe lead Leakage, reduce
Environmental pollution and the consumption of lubricating oil that oil leak is caused, it is to avoid trigger the generation of fire incident because of oil leak.
In order to achieve the above object, the invention provides a kind of compressor set shafting instrument detection probe lead
Oil leak sealing and connecting device, the probe of the attachment means and the detection probe being installed on the compressor
Lead is connected, it is characterised in that the attachment means include：Articulation, binding post, terminal box,
Injecting glue seal box, connection flexible pipe, junction box, the probe lead wire enter the wiring through the articulation
Front end in box with the binding post is connected, and the rear end of the binding post connects a private cable, institute
State during private cable penetrates the injecting glue seal box injecting glue and access the junction box through the flexible pipe.
Described compressor set shafting instrument detection probe lead oil leak sealing and connecting device, to described special
When the insulating barrier of cable is peeled off, metal 5~10mm of line length that the private cable is separated, and respectively
Exposed metal wire does not contact with each other.
Described compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the note for being used
Glue is epoxy resin and curing agent mixture, and the epoxy resin is generally 1 with curing agent quality proportioning：
0.5~1：1.
Described compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the articulation,
The binding post, the terminal box, the injecting glue seal box, the connection flexible pipe, the junction box
Each junction use 1/2″Taper pipe thread is connected and sealed with thread locking adhesive.
Described compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the Special electric
The line footpath of cable is less than or equal to 1mm2。
Described compressor set shafting instrument detection probe lead oil leak sealing and connecting device, is additionally provided with one and sets
The cone-shaped seal structure of the arrival end of the terminal box is placed in, the cone-shaped seal structure is a symmetrical structure.
Described compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the taper is close
Seal structure includes:Two joints, two cone seal oil resistant elastic rubber rings, a transition joint, the transition joint
Both sides respectively set cone seal oil resistant elastic rubber ring, the cone seal oil resistant elastic rubber ring described in one
Both sides be respectively provided with the joint for being used to that the cone seal oil resistant elastic caoutchouc is screwed extruding.
Described compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the taper is close
The compression inside diameter ranges for sealing oil resistant elastic caoutchouc are 3.0~8.5mm.
Hair effect of the invention：
Compressor set meter probe lead Leakage is not only solved using the present apparatus, while compressor set
Probe convenient disassembly, does not damage probe and probe lead wire.
Brief description of the drawings
Fig. 1 is the positive confinement attachment means schematic diagram of the embodiment of the present invention；
Fig. 2 is the double containment screw connection schematic diagram of the embodiment of the present invention.
Wherein reference：
1 positive confinement attachment means
11 compressors
12 articulations
13 binding posts
14 terminal boxes
15 injecting glue seal boxes
16 connection flexible pipes
17 junction boxes
2 double containment screw connections
21 probe lead wires
22 joints
23 taper oil resistant elastic rubber rings
24 transition joints
Specific embodiment
Structural principle of the invention and operation principle are described in detail below in conjunction with the accompanying drawings：
The spy of the detection probes such as the attachment means and vibration, displacement, rotating speed, bearing bush temperature of present invention offer
Head lead connection, for example, because bearing bush temperature probe is installed on the spring bearing inside compressor set and pushes away
On the corresponding activity tile fragment of power bearing, in compressor set running, tile fragment swings and will drive temp probe
And probe lead wire high dither, while temp probe and probe lead wire are immersed in lubricating oil, longtime running is easy
Cause temp probe and probe lead wire sealed end to ftracture, protect insulating barrier ageing hardening and breakage occur, draw
Hair permeability, oil leakage phenomenon.From actually used situation analysis, oil leak can be divided into two kinds of situations；
The first situation is probe lead wire outside oil leak, and after probe lead wire draws body, lubricating oil is from probe
Gap is oozed out between lead and body interface, in the past by irrigate fluid sealant, using rubber seal plug, twine
Around methods such as Teflon taps, not only dismounting is inconvenient to waste time and energy, and the sealing effectiveness for playing is not also good,
Mainly dismounting live injecting glue hardening time is long every time, and because injecting glue causes probe lead wire to damage, increases
Equipment investment causes unnecessary waste；And General Purpose Rubber sealing etc. can not solve the following situation core
Between Leakage.
Second situation is permeability between probe lead wire core, exterior insulation of the lubricating oil from probe lead wire breakage
Layer is penetrated into, and engine body exterior is leaked into through internal insulating layer between core；Or ftractureed from probe and probe lead wire
Sealed end penetrates into, through the outside seepage of metal wire in-core.
Having field practice confirms, lubricating oil at live compressor set meter probe lead breakthrough by passing through
Cable (length can reach more than 200 meters) can be penetrated at control room rack terminal, caused certain
Environmental pollution and potential safety hazard.And because scene uses steam turbine, especially in its factory building of summer
Interior temperature is high, and oil leakage phenomenon is then more protruded.For this reason, it is necessary to oil leak is asked between solving second line emphatically
Permeability cannot be solved using past method between topic, this kind of line.
In order to solve compressor set shafting instrument detection probe lead the first and second Leakage, this
Invention provides a kind of compressor set shafting instrument detection probe lead oil leak sealing and connecting device, such as Fig. 2
Shown, the attachment means are connected with the probe lead wire of the detection probe being installed on the compressor, the company
Connection device includes：Articulation 12, binding post 13, terminal box 14, injecting glue seal box 15, connection are soft
Pipe 16, junction box 17, the probe lead wire through the articulation 12 enter the terminal box 14 in institute
The front end connection of binding post 13 is stated, the rear end of the binding post 13 connects a private cable, described
Private cable penetrates the injecting glue of injecting glue seal box 15 and accesses the wiring through the connection flexible pipe 16
In case 17, its middle connecting terminal is arranged in terminal box.The articulation 12, the binding post 13,
The terminal box 14, the injecting glue seal box 15, it is described connection flexible pipe 16, the junction box 17 it is each
Individual junction uses 1/2″Taper pipe thread is connected and sealed with thread locking adhesive.The binding post
13 rear end is connected with oil resistant, heatproof, line footpath (diameter)≤1mm2Private cable, if for sealing
The probe lead wire of temp probe, the private cable is used and takes corresponding Graduation Number according to the temp probe
Compensation lead of thermocouple.
The private cable is entered into the injecting glue of injecting glue seal box 15, the injecting glue for using is epoxy resin
With curing agent mixture, the epoxy resin and curing agent quality proportioning are generally 1：0.5~1：1, note
Before glue, private cable insulating barrier is peeled off, when being peeled off to private cable, the private cable
Expose 5~10mm of metal wire, and each exposed metal wire does not contact with each other.It is described special after by injecting glue
Cable is accessed in junction box 17 through the flexible pipe.
Above-mentioned attachment means are positive confinement device 1, and the positive confinement device practical application is proved, close
Envelope effect preferably, thoroughly solves compressor set probe lead wire Leakage.Whether probe lead wire outside leakage
Internal permeability between oil or core, because using injecting glue seal box 15, oil leak approach is terminated at terminal box
In 14, terminal box 14 is covered and sets outer six sides, and tightening seal on convenient wrench is close using oil resistant rubber in lid
Envelope flat gasket.The overall dimensions of terminal box 14 (diameter × height) are：100 × 70mm of Φ, inside can install
12 binding posts 13；The overall dimensions of injecting glue seal box 15 (diameter × height) are：Φ70×70mm.Pressure
Transition joint 24 is processed the need for the non-1/2 " taper pipe thread of contracting unit probe lead wire interface to be changed.
In order to solve compressor set shafting instrument detection probe lead the first Leakage, one is additionally provided
Double containment screw connection 2 is planted, as shown in figure 1, the double containment screw connection is cone seal
Structure.For the probe lead wires such as shafting displacement, vibration and extended line due to using special private cable, its
Sheath is completely embedded with probe and each junction, can effectively prevent lubricating oil along cable internal leakage to body
Outside.Therefore, emphasis oil-leakage-prevention is the outer oil leakage problem of line, using cone-shaped seal structure as shown in Figure 2,
The cone-shaped seal structure is a symmetrical structure, and the cone-shaped seal structure includes:Two joints 22, two tapers are close
Envelope oil resistant elastic rubber ring 23, a transition joint 24, the both sides of transition joint 24 respectively set a cone seal
Oil resistant elastic rubber ring 23, the both sides of cone seal oil resistant elastic rubber ring 23 are respectively provided with that be used to will be described
Cone seal oil resistant elastic rubber ring 23 screws the joint 22 of extruding.Cone seal oil resistant elasticity
The compressible inside diameter ranges of rubber ring are 3.0~8.5mm.
Cone-shaped seal structure can be in the case where two end connectors 22 be screwed, by extruding cone seal oil resistant elasticity rubber
Glue ring progressively forms effectively sealing on probe lead wire 21, by screwing the adjustable cone seal oil resistant of degree
Seal pressure of the elastic rubber ring 23 on probe lead wire 21, plays sealing and avoids excess pressure to visiting
The effect that head lead 21 is damaged.The compressible inside diameter ranges of cone seal oil resistant elastic rubber ring be 3.0~
8.5mm, fully meets probe lead wire connector and penetrates the requirement effectively sealed with probe lead wire.
The one end of joint 22 is connected with compressor set during installation, and the other end is connected with an Explosion-proof host,
By screwing jointing 22 and transition joint 24, compression taper oil resistant elastic caoutchouc 23 makes taper resistance to
Oily elastic rubber ring 23 and the tight seal of probe lead wire 21, the device have the characteristics of popping one's head in convenient disassembly.
Both the above sealing device is combined according to actually used situation, i.e., in " positive confinement connection dress
Put " terminal box 14 before install additional " double containment screw connection " be combined into two-stage sealing.For bearing shell temperature
For degree, you can play better seal effect, the butted line in compressor set operation can be facilitated to carry out again
Test, inspection.
Claims (8)
1. a kind of compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the connection dress
Put and be installed on the probe lead wire connection of the detection probe on the compressor, it is characterised in that the company
Connection device includes：Articulation, binding post, terminal box, injecting glue seal box, connection flexible pipe, junction box,
The probe lead wire through the articulation enter the terminal box in be connected with the front end of the binding post,
The rear end of the binding post connects a private cable, and the private cable penetrates the injecting glue seal box note
Glue simultaneously through the flexible pipe accesses the junction box.
2. compressor set shafting instrument detection probe lead oil leak as claimed in claim 1 is tightly connected dress
Put, it is characterised in that when the insulating barrier to the private cable is peeled off, the private cable is peeled off
Metal 5~the 10mm of line length for going out, and each exposed metal wire do not contact with each other.
3. compressor set shafting instrument detection probe lead oil leak as claimed in claim 1 is tightly connected dress
Put, it is characterised in that the injecting glue for being used is epoxy resin and curing agent mixture, the epoxy resin
1 is generally with curing agent quality proportioning：0.5~1：1.
4. compressor set shafting instrument detection probe lead oil leak as claimed in claim 1 is tightly connected dress
Put, it is characterised in that the articulation, the binding post, the terminal box, injecting glue sealing
Box, the connection flexible pipe, each junction of the junction box use 1/2″Taper pipe thread is connected to be used in combination
Thread locking adhesive is sealed.
5. compressor set shafting instrument detection probe lead oil leak as claimed in claim 1 is tightly connected dress
Put, it is characterised in that the line footpath of the private cable is less than or equal to 1mm2。
6. compressor set shafting instrument detection probe lead oil leak as claimed in claim 1 is tightly connected dress
Put, it is characterised in that be additionally provided with the cone-shaped seal structure of an arrival end for being arranged at the terminal box, institute
Cone-shaped seal structure is stated for a symmetrical structure.
7. compressor set shafting instrument detection probe lead oil leak as claimed in claim 6 is tightly connected dress
Put, it is characterised in that the cone-shaped seal structure includes:Two joints, two cone seal oil resistant elastic caoutchoucs
Ring a, transition joint, the transition joint both sides respectively set cone seal oil resistant elastic rubber ring described in,
The both sides of the cone seal oil resistant elastic rubber ring are respectively provided with and are used to cone seal oil resistant elasticity rubber
Glue screws the joint of extruding.
8. compressor set shafting instrument detection probe lead oil leak as claimed in claim 7 is tightly connected dress
Put, it is characterised in that the compression inside diameter ranges of the cone seal oil resistant elastic caoutchouc are 3.0~8.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883730.5A CN106848994B (en) | 2015-12-04 | 2015-12-04 | Compressor set shafting instrument detection probe lead oil leak sealing and connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883730.5A CN106848994B (en) | 2015-12-04 | 2015-12-04 | Compressor set shafting instrument detection probe lead oil leak sealing and connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106848994A true CN106848994A (en) | 2017-06-13 |
| CN106848994B CN106848994B (en) | 2019-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510883730.5A Active CN106848994B (en) | 2015-12-04 | 2015-12-04 | Compressor set shafting instrument detection probe lead oil leak sealing and connecting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106848994B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616984A (en) * | 2018-12-11 | 2019-04-12 | 福建华电可门发电有限公司 | A kind of warm signal wire outlet anti-oil leakage device of steam turbine watt |
| CN109616984B (en) * | 2018-12-11 | 2024-05-10 | 福建华电可门发电有限公司 | Outlet oil leakage prevention device for tile temperature signal line of steam turbine |
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2015
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Patent Citations (6)
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| CN201475323U (en) * | 2009-07-16 | 2010-05-19 | 尹正 | Shaft displacement probe sealing member |
| CN201489929U (en) * | 2009-07-16 | 2010-05-26 | 尹正 | Cutting sleeve connected-embedded type armored thermal resistor |
| CN103050913A (en) * | 2011-10-17 | 2013-04-17 | 复盛易利达(上海)压缩机有限公司 | Internal wiring device of oil-submerged pump closed container of lubrication system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616984A (en) * | 2018-12-11 | 2019-04-12 | 福建华电可门发电有限公司 | A kind of warm signal wire outlet anti-oil leakage device of steam turbine watt |
| CN109616984B (en) * | 2018-12-11 | 2024-05-10 | 福建华电可门发电有限公司 | Outlet oil leakage prevention device for tile temperature signal line of steam turbine |
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| Publication number | Publication date |
|---|---|
| CN106848994B (en) | 2019-01-18 |
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