CN106848994B - Compressor unit shafting instrument detection probe lead wire oil leakage sealing connecting device - Google Patents
Compressor unit shafting instrument detection probe lead wire oil leakage sealing connecting device Download PDFInfo
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- CN106848994B CN106848994B CN201510883730.5A CN201510883730A CN106848994B CN 106848994 B CN106848994 B CN 106848994B CN 201510883730 A CN201510883730 A CN 201510883730A CN 106848994 B CN106848994 B CN 106848994B
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- probe lead
- detection probe
- box
- connecting device
- instrument detection
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- 239000000523 sample Substances 0.000 title claims abstract description 96
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000007789 sealing Methods 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 239000003292 glue Substances 0.000 claims description 28
- 230000007704 transition Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000002347 injection Methods 0.000 abstract 2
- 239000007924 injection Substances 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 40
- 239000010687 lubricating oil Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 3
- 229920006362 Teflon® Polymers 0.000 description 3
- 238000003912 environmental pollution Methods 0.000 description 3
- 239000000565 sealant Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 235000015927 pasta Nutrition 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 239000004590 silicone sealant Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention provides a compressor unit shafting instrument detection probe lead wire oil leakage sealing connecting device, which is connected with a probe lead wire of a detection probe arranged on a compressor, and is characterized in that the connecting device comprises: the probe comprises an active joint, a wiring terminal, a wiring box, an adhesive injection sealing box, a connecting hose and a wiring box, wherein a probe lead enters the wiring box through the active joint and is connected with the front end of the wiring terminal, the rear end of the wiring terminal is connected with a special cable, and the special cable penetrates through the adhesive injection sealing box and penetrates through the hose to be connected into the wiring box.
Description
Technical field
The present invention is such as displaced, vibrated for turbo compressor unit shafting Examination system of instrument, temperature detection probe lead
Connection prevents the device of oil leak, and in particular to be compressor set shafting instrument detection probe lead oil leak sealing and connecting device.
Background technique
It is widely applied turbo compressor unit in the production such as petroleum and chemical industry, usually by driving steam turbine, shaft coupling
The systems such as device, centrifugal compressor, lubricating oil station composition.For guarantee unit safety operation, equipment fault is avoided to cause heavy losses,
Compressor set is equipped with Machinery State Monitoring System and all kinds of interlocking protective systems.According to statistics, mechanical oscillation failure rate reaches
60% or more, thus, it is ensured that with rotor string monitoring instrument, such as: vibration, displacement, revolving speed, bearing bush temperature detection probe reliable fortune
Row is particularly important.Compressor set shafting instrument monitoring system can be generally divided into two classes: the displacement of first kind shafting, vibration, revolving speed
Isometric dynamic monitoring system, detection parameters reaction speed are very fast；Static temperature detection system of second class relative to bearing shell, reaction
Relatively there is certain lag slowly.The probes such as shafting displacement, vibration, revolving speed are divided into machine to be installed outside installation and machine；Bearing bush temperature probe
Installation generally in machine.Due to the above various mounting means, the detection probes such as vibration, displacement, revolving speed, bearing bush temperature and with this
The connected probe lead wire of a little detection probes is all in contact with lubricating oil in various degree, and probe lead wire is soaked in lubricating oil high temperature for a long time
It steeps and aging, embrittlement occurs, causing lubricating oil by cracking, along probe lead wire (outer) leaks on the outside of compressor set.Previous place
Such issues that reason generally use injecting glue sealing, by winding Teflon tap, insulating tape, the sealing such as install various forms of rubber plugs additional,
And the method for improving compressor set exit point position is taken to solve probe lead wire Leakage, for example, by using following method:
1. taking injecting glue sealing generally using 704 sealants, Oil-proof Silicone Sealant or explosion-proof clay etc., it is mainly used for visiting
The perfusion of head lead and compressor set outlet gap seals.The disadvantage is that the curing time for reaching oil-leakage-prevention effect is longer；Environment temperature
When spending higher, part sealant is used for a long time easy to crack；Due to being sealed using injecting glue, when detection probe damage, dismounting is difficult,
It is not only time-consuming and laborious, the damage of intact probe lead wire is also easily caused, spare part expense is increased.
2. rubber plug seal form generally has single hole, diplopore, porous structure, it is mainly used for compressor body outlet jointing
The sealing of interior probe lead wire.When the probe installation of compressor body shafting, since the opposite connection probe lead wire outer diameter of probe connector is big,
To guarantee probe lead wire sealing, when installation, needs specific purpose tool to draw.Seal clearance is non-adjustable, easily causes and damages at probe interface
It is bad.
3. Teflon tap is generally used in combination with injecting glue sealing, rubber plug sealing with insulated enclosure adhesive tape, seal clearance is adjusted, is made
With ineffective.
4. the way for improving the probe lead wire outlet link position of compressor set is that probe lead wire outlet port is higher than pressure
Pasta certain altitude is lubricated in contracting unit, is avoided or reduced lubricating oil and is flowed outwardly.But, probe lead wire higher in lubricating oil temperature
This method is individually used under the conditions of breakage etc., using effect is bad.
So far, the above various solutions are not only made without thoroughly solving compressor set probe lead wire Leakage
At environmental pollution, increase lubrication oil consumption, also easily causes the generation of fire incident.
Summary of the invention
It is an object of the invention to solve compressor set shafting instrument detection probe lead Leakage, reduces oil leak and cause
Environmental pollution and lubricating oil consumption, avoid because oil leak cause fire incident generation.
In order to achieve the above object, the present invention provides a kind of compressor set shafting instrument detection probe lead oil leak sealings
Attachment device, the attachment device are connect with the probe lead wire for the detection probe being installed on the compressor, which is characterized in that
The attachment device includes: union, connecting terminal, terminal box, injecting glue seal box, connection hose, junction box, and the probe draws
Line enters in the terminal box through the union to be connect with the front end of the connecting terminal, the rear end connection of the connecting terminal
One private cable, the private cable penetrate the injecting glue seal box injecting glue and pass through the hose and access in the junction box.
The compressor set shafting instrument detection probe lead oil leak sealing and connecting device, to the exhausted of the private cable
When edge layer is removed, metal 5~10mm of wire length that the private cable separates, and each exposed metal wire not phase mutual connection
Touching.
The compressor set shafting instrument detection probe lead oil leak sealing and connecting device, used injecting glue are epoxy
Resin and curing agent mixture, the epoxy resin and curing agent quality proportioning are generally 1:0.5~1:1.
The compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the union described connect
Line terminals, the terminal box, the injecting glue seal box, it is described connection hose, the junction box each junction be all made of 1/
2 " taper pipe thread is connected and is sealed with thread locking adhesive.
The compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the line footpath of the private cable
Less than or equal to 1mm2。
The compressor set shafting instrument detection probe lead oil leak sealing and connecting device, be additionally provided with one be set to it is described
The cone-shaped seal structure of the arrival end of terminal box, the cone-shaped seal structure are a symmetrical structure.
The compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the cone-shaped seal structure packet
Include: two connectors, two cone seal oil resistant elastic rubber rings, a transition joint, a cone is respectively arranged in the transition joint two sides
Shape seals oil resistant elastic rubber ring, and the two sides of the cone seal oil resistant elastic rubber ring are respectively provided with to by the cone seal
Oil resistant elastic rubber screws the connector of extruding.
The compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the cone seal oil resistant bullet
Property rubber compression inside diameter ranges be 3.0~8.5mm.
Hair effect of the invention:
Not only solve compressor set meter probe lead Leakage, while compressor set probe dismounting using the present apparatus
It is convenient, probe and probe lead wire are not damaged.
Detailed description of the invention
Attachment device schematic diagram is absolutely sealed for the embodiment of the present invention in Fig. 1；
Fig. 2 is the double containment screw connection schematic diagram of the embodiment of the present invention.
Wherein appended drawing reference:
1 is absolutely sealed attachment device
11 compressors
12 unions
13 connecting terminals
14 terminal boxes
15 injecting glue seal boxes
16 connection hoses
17 junction boxes
2 double containment screw connections
21 probe lead wires
22 connectors
23 taper oil resistant elastic rubber rings
24 transition joints
Specific embodiment
Structural principle and working principle of the invention are described in detail with reference to the accompanying drawing:
The probe lead wire of the detection probes such as attachment device provided by the invention and vibration, displacement, revolving speed, bearing bush temperature connects
It connects, for example, since bearing bush temperature probe is installed on spring bearing inside compressor set and thrust bearing movable tile fragment accordingly
On, in compressor set operational process, tile fragment, which is swung, will drive temp probe and probe lead wire high dither, while temp probe and
Probe lead wire is immersed in lubricating oil, and longtime running easily causes temp probe and probe lead wire sealed end to crack, and protection insulating layer is old
Change is hardened and breakage occurs, causes permeability, oil leakage phenomenon.From actual use situation analysis, oil leak can be divided into two kinds of situations；
The first situation is oil leak outside probe lead wire, and after probe lead wire draws body, lubricating oil is from probe lead wire and machine
Gap is oozed out between body interface, previous to pass through perfusion sealant, using the methods of rubber seal plug, winding Teflon tap, is not only torn open
Dress is inconvenient time-consuming and laborious, and the sealing effect played is also bad, and mainly dismounting live injecting glue curing time is long every time, and
Since injecting glue causes probe lead wire to damage, increases equipment investment and cause unnecessary waste；And General Purpose Rubber sealing etc. cannot solve
Leakage between the certainly following situation core.
Second situation is permeability between probe lead wire core, and lubricating oil is penetrated into from the external insulation of probe lead wire breakage,
Engine body exterior is leaked into through internal insulating layer between core；Or penetrated into from probe and the sealed end that probe lead wire cracks, through metal wire
In-core leaks outward.
There is field practice confirmation, lubricating oil passes through (long by cable at live compressor set meter probe lead breakthrough
Degree can reach 200 meters or more) it can penetrate at control room cabinet terminal, cause certain environmental pollution and security risk.
And since scene uses steam turbine, temperature is high especially in its workshop of summer, and oil leakage phenomenon is then more prominent.For this purpose,
It is necessary to focus on solving Leakage between second of line, permeability can not be solved using past method between this kind of line.
In order to solve compressor set shafting instrument detection probe lead the first and second of Leakage, the present invention is provided
A kind of compressor set shafting instrument detection probe lead oil leak sealing and connecting device, as shown in Fig. 2, the attachment device and installation
It is connected in the probe lead wire of the detection probe on the compressor, which includes: union 12, connecting terminal 13, connects
Wire box 14, injecting glue seal box 15, connection hose 16, junction box 17, the probe lead wire described in the union 12 entrance through connecing
It is connect in wire box 14 with the front end of the connecting terminal 13, the rear end of the connecting terminal 13 connects a private cable, described special
15 injecting glue of injecting glue seal box, which is penetrated, with cable and passes through the connection hose 16 accesses in the junction box 17, wherein wiring
Terminal is set in terminal box.The union 12, the connecting terminal 13, the terminal box 14, the injecting glue seal box 15,
It is described connection hose 16, the junction box 17 each junction be all made of 1/2 " taper pipe thread connect and use thread locking adhesive into
Row sealing.The rear end of the connecting terminal 13 is connected with oil resistant, heatproof, line footpath (diameter)≤1mm2Private cable, if being used for
The probe lead wire of seal temperature probe, the private cable use the thermocouple that corresponding Graduation Number is taken according to the temp probe
Compensating wire.
The private cable is entered into 15 injecting glue of injecting glue seal box, the injecting glue used is mixed for epoxy resin and curing agent
Close object, the epoxy resin and curing agent quality proportioning are generally 1:0.5~1:1, and before injecting glue, private cable insulating layer is carried out
Removing, when removing to private cable, the private cable exposes 5~10mm of metal wire, and each exposed metal wire not phase
Mutually contact.The private cable after injecting glue is passed through in hose access junction box 17.
Above-mentioned attachment device be device 1 is absolutely sealed, this is absolutely sealed device practical application and proves, sealing effect compared with
It is good, thoroughly solve compressor set probe lead wire Leakage.Whether internal permeability between probe lead wire outside oil leak or core,
Due to using injecting glue seal box 15, oil leak approach is terminated in terminal box 14, and terminal box 14, which covers, sets outer six sides, convenient wrench
Sealing is tightened, uses oil resistant rubber to seal flat gasket in lid.14 overall dimensions of terminal box (diameter × height) are as follows: Φ 100 ×
70mm, internal mountable 12 connecting terminals 13；15 overall dimensions of injecting glue seal box (diameter × height) are as follows: 70 × 70mm of Φ.Pressure
The transition joint 24 that needs to process of the non-1/2 " taper pipe thread of contracting unit probe lead wire interface is converted.
In order to solve the first Leakage of compressor set shafting instrument detection probe lead, a kind of double containment is additionally provided
Screw connection 2, as shown in Figure 1, the double containment screw connection is cone-shaped seal structure.For shafting displacement, vibration
Due to using special private cable, sheath is completely embedded with probe and each junction for equal probe lead wires and extended line, can be effective
Prevent lubricating oil on the outside of cable internal leakage to body.For this purpose, emphasis oil-leakage-prevention is the outer oil leakage problem of line, using such as Fig. 1 institute
The cone-shaped seal structure shown, the cone-shaped seal structure are a symmetrical structure, which includes: two connectors 22, two
A cone seal oil resistant elasticity is respectively arranged in cone seal oil resistant elastic rubber ring 23, a transition joint 24,24 two sides of transition joint
Rubber ring 23, the two sides of cone seal oil resistant elastic rubber ring 23 are respectively provided with to by the cone seal oil resistant elastic rubber ring
23 screw the connector 22 of extruding.The compressible inside diameter ranges of the cone seal oil resistant elastic rubber ring are 3.0~8.5mm.
Cone-shaped seal structure can be in the case where two end connectors 22 screw, by squeezing cone seal oil resistant elastic rubber ring gradually
Effectively sealing is formed on probe lead wire 21, is drawn by screwing the adjustable cone seal oil resistant elastic rubber ring 23 of degree in probe
Sealed pressure on line 21 plays the role of sealing and avoid excess pressure to damage probe lead wire 21.The cone seal oil resistant
The compressible inside diameter ranges of elastic rubber ring be 3.0~8.5mm, fully meet probe lead wire connector penetrate it is effective with probe lead wire
The requirement of sealing.
22 one end of connector is connected with compressor set when installation, and the other end is connected with an Explosion-proof host, by screwing
Jointing 22 and transition joint 24 compress taper oil resistant elastic rubber 23, draw taper oil resistant elastic rubber ring 23 with probe
21 tight seal of line, the device have the characteristics that probe is convenient for disassembly and assembly.
Both the above sealing device is combined according to actual use situation, i.e. the wiring " attachment device is absolutely sealed "
It installs " double containment screw connection " before box 14 additional and is combined into two-stage sealing.For bearing bush temperature, it can play preferably
Sealing effect, and the butted line in compressor set operation can be facilitated to be tested, checked.
Claims (7)
1. a kind of compressor set shafting instrument detection probe lead oil leak sealing and connecting device, the attachment device and it is installed on institute
State the probe lead wire connection of the detection probe on compressor, which is characterized in that the attachment device includes: union, terminals
Son, terminal box, injecting glue seal box, connection hose, junction box, the probe lead wire enter in the terminal box through the union
It is connect with the front end of the connecting terminal, the rear end of the connecting terminal connects a private cable, and the private cable penetrates institute
It states injecting glue seal box injecting glue and passes through the hose and access in the junction box, the insulating layer of the private cable is removed
When, metal 5~10mm of wire length that the private cable separates, and each exposed metal wire does not contact with each other.
2. compressor set shafting instrument detection probe lead oil leak sealing and connecting device as described in claim 1, feature exist
In, used injecting glue be epoxy resin and curing agent mixture, the epoxy resin and curing agent quality proportioning be 1:0.5~
1:1.
3. compressor set shafting instrument detection probe lead oil leak sealing and connecting device as described in claim 1, feature exist
In the union, the connecting terminal, the terminal box, the injecting glue seal box, the connection hose, the junction box
Each junction be all made of 1/2 " taper pipe thread connect simultaneously be sealed with thread locking adhesive.
4. compressor set shafting instrument detection probe lead oil leak sealing and connecting device as described in claim 1, feature exist
In the line footpath of the private cable is less than or equal to 1mm2。
5. compressor set shafting instrument detection probe lead oil leak sealing and connecting device as described in claim 1, feature exist
In being additionally provided with the cone-shaped seal structure for the arrival end that one is set to the terminal box, the cone-shaped seal structure is a symmetrical junction
Structure.
6. compressor set shafting instrument detection probe lead oil leak sealing and connecting device as claimed in claim 5, feature exist
In, the cone-shaped seal structure include: two connectors, two cone seal oil resistant elastic rubber rings, a transition joint, it is described in indirectly
A cone seal oil resistant elastic rubber ring is respectively arranged in both sides of head, and the two sides of the cone seal oil resistant elastic rubber ring are respectively set
There is the connector the cone seal oil resistant elastic rubber to be screwed to extruding.
7. compressor set shafting instrument detection probe lead oil leak sealing and connecting device as claimed in claim 6, feature exist
In the compression inside diameter ranges of the cone seal oil resistant elastic rubber 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 unit shafting instrument detection probe lead wire oil leakage sealing connecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510883730.5A CN106848994B (en) | 2015-12-04 | 2015-12-04 | Compressor unit shafting instrument detection probe lead wire oil leakage sealing connecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106848994A CN106848994A (en) | 2017-06-13 |
| CN106848994B true CN106848994B (en) | 2019-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510883730.5A Active CN106848994B (en) | 2015-12-04 | 2015-12-04 | Compressor unit shafting instrument detection probe lead wire oil leakage sealing connecting device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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|---|---|---|---|---|
| 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 |
| CN102545135A (en) * | 2012-02-03 | 2012-07-04 | 哈尔滨工业大学 | Cable sealing joint special for oil well |
| 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 |
| CN104633444A (en) * | 2015-03-03 | 2015-05-20 | 上海雷尼威尔技术有限公司 | Signal line lead-out and sealing component and mounting method thereof |
| CN205231702U (en) * | 2015-12-04 | 2016-05-11 | 中国石油天然气股份有限公司 | Compressor unit shafting instrument detection probe lead wire oil leakage sealing connecting device |
-
2015
- 2015-12-04 CN CN201510883730.5A patent/CN106848994B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102545135A (en) * | 2012-02-03 | 2012-07-04 | 哈尔滨工业大学 | Cable sealing joint special for oil well |
| CN104633444A (en) * | 2015-03-03 | 2015-05-20 | 上海雷尼威尔技术有限公司 | Signal line lead-out and sealing component and mounting method thereof |
| CN205231702U (en) * | 2015-12-04 | 2016-05-11 | 中国石油天然气股份有限公司 | Compressor unit shafting instrument detection probe lead wire oil leakage sealing connecting device |
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| CN106848994A (en) | 2017-06-13 |
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