CN204854982U - Nuclear power plant uses axle bush thermometer - Google Patents
Nuclear power plant uses axle bush thermometer Download PDFInfo
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- CN204854982U CN204854982U CN201520574814.6U CN201520574814U CN204854982U CN 204854982 U CN204854982 U CN 204854982U CN 201520574814 U CN201520574814 U CN 201520574814U CN 204854982 U CN204854982 U CN 204854982U
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- tetrafluoro
- wire
- screwed part
- wire sheath
- nuclear power
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Abstract
The utility model discloses a nuclear power plant uses axle bush thermometer, including hot resistance element, the metal protection pipe, the tetrafluoro pipe, the stock screwed part, the spring compresses tightly the screwed part, tetrafluoro wire sheath and tetrafluoro wire, the cladding of tetrafluoro wire sheath is outside the tetrafluoro wire, the metal protection pipe box connects the outer wall at tetrafluoro guan yure resistance element, tetrafluoro pipe one end is sealed, another pot head outside hot resistance element and with the frit seal of tetrafluoro wire sheath one end, the metal protection pipe passes through stock screwed part sealing connection with tetrafluoro wire sheath, the wrap -around tetrafluoro wire sheath outer wall of stock screwed part is equipped with the spring, and stock screwed part tip is equipped with and compresses tightly the screwed part with the spring complex, hot resistance element keeps away from the one end of metal protection pipe and is connected with the cooperation of tetrafluoro wire.
Description
Technical field
The utility model relates to a kind of thermal resistance, is specifically related to a kind of nuclear power plant bearing bush temperature meter.
Background technology
At present, in the production run of nuclear energy power generation enterprise, have the bearing shell of a lot of rotary system device, particularly bearing shell, the thrust bearing shoe valve of large high-speed fan blower, steam turbine, compressor, generator etc., all need to use Thermistor Temperature Measurement device to its thermometric.Original Thermistor Temperature Measurement device generally comprises thermal resistance, protective casing and extraction wire, and metal protective sleeve pipe is directly enclosed within outside thermal resistance, draws wire and is directly connected with film-type thermal resistance.Original extraction wire adopts the conductor structure of outside metal screen layer wrapping inner layer tape insulation skin, draws between wire and protective casing and adopts adhering with epoxy resin to encapsulate.Very easily harden because epoxy encapsulant divides, and the vibration frequency of bearing shell, thrust bearing shoe valve is very high, therefore under high-frequency vibration, easily shake disconnected extraction wire, cause unit tile temperature measurement signal interruption, because unit thermometric and overhead control are interlocks, and then cause whole production line out of service.On the other hand, because tile fragment needs the extraordinary reason such as oil lubrication and cooling, temperature element is in the situation of long period of soaking in the present context, and draw the metallic shield net of wire and the wire of tape insulation skin because of manufacture craft reason, its temperature element is in the mounting hole being full of lubricating oil, lubricating oil can flow out unit by the space between wire and the space syphonic effect between wire and metallic shield net, cause serious race, emit, drip, leak phenomenon, affect the reliability of unit and thermometric, also environmental health is affected, for the nuclear power that management system is very strict, such thermometer is underproof, can not be adopted.
Utility model content
The present invention proposes a kind of nuclear power plant bearing bush temperature meter, can realize self-regulating function is installed, and there is certain buffer action, can prevent from revealing simultaneously, hold concurrently thermometric, antidetonation, grease proofing advantage.
A kind of nuclear power plant bearing bush temperature meter that the present invention proposes, comprises resistance thermometer clement, protection metal pipe, four fluorine tube, stock screwed part, spring, collet threaded parts, tetrafluoro Wire sheath and tetrafluoro wire; Tetrafluoro Wire sheath is coated on outside tetrafluoro wire; Protection metal pipe is socketed in four fluorine tube and resistance thermometer clement outer wall; Four fluorine tube one end is closed, the other end be enclosed within resistance thermometer clement outer and with one end frit seal of tetrafluoro Wire sheath; Protection metal pipe and tetrafluoro Wire sheath are tightly connected by stock screwed part; The coated tetrafluoro Wire sheath outer wall of stock screwed part is provided with spring, and stock screwed part end is provided with the collet threaded parts coordinated with spring; Resistance thermometer clement is connected away from one end of protection metal pipe and tetrafluoro wire.
Preferably, resistance thermometer clement is Film-mode resistor element.
Preferably, protection metal pipe adopts 304SS material to make.
Preferably, tetrafluoro wire is three core tetrafluoro wires.
The described a kind of nuclear power plant bearing bush temperature meter that the utility model proposes adopts spring structure; four fluorine tube and tetrafluoro Wire sheath is adopted to carry out frit seal; overcoat protection metal pipe; resistance thermometer clement is sealed in tetrafluoro sheath completely, and melts with tetrafluoro wire and be one and seal entirety that there is certain elasticity; field erected self-regulating function can be realized; and certain buffer action can be played to the mechanical vibration at scene, can prevent oil from leaking simultaneously, take into account thermometric, antidetonation, grease proofing advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of nuclear power plant bearing bush temperature meter that the utility model proposes.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing:
As shown in Figure 1, Fig. 1 is the structural representation of a kind of nuclear power plant bearing bush temperature meter that the utility model proposes.
With reference to Fig. 1, a kind of nuclear power plant bearing bush temperature meter, comprises resistance thermometer clement 1, protection metal pipe 2, four fluorine tube 3, stock screwed part 4, spring 5, collet threaded parts 6, tetrafluoro Wire sheath 7 and tetrafluoro wire 8; Tetrafluoro Wire sheath 7 is coated on outside tetrafluoro wire 8; Protection metal pipe 2 is socketed in four fluorine tube 3 and resistance thermometer clement 1 outer wall; Four fluorine tube 3 one end is closed, the other end be enclosed within resistance thermometer clement 1 outer and with tetrafluoro Wire sheath 7 one end frit seal; Protection metal pipe 2 and tetrafluoro Wire sheath 7 are tightly connected by stock screwed part 4; Coated tetrafluoro Wire sheath 7 outer wall of stock screwed part 4 is provided with spring 5, and stock screwed part 4 end is provided with the collet threaded parts 6 coordinated with spring 5; Resistance thermometer clement 1 is connected away from one end of protection metal pipe 2 and tetrafluoro wire 8.
In a specific embodiment, resistance thermometer clement 1 is Film-mode resistor element, and protection metal pipe 2 adopts 304SS material to make, and tetrafluoro wire 8 is three core tetrafluoro wires.
Frit seal is carried out by adopting four fluorine tube 3 and tetrafluoro Wire sheath 7; overcoat protection metal pipe 2; resistance thermometer clement 1 is made to be sealed in tetrafluoro Wire sheath 7 completely; and melt with tetrafluoro wire 8 and be one and seal entirety; there is certain elasticity, field erected self-regulating function can be realized, and certain buffer action can be played to the mechanical vibration at scene; can prevent oil from leaking simultaneously, take into account thermometric, antidetonation, grease proofing advantage.
By reference to the accompanying drawings exemplary description is carried out to the utility model above; obvious realization of the present utility model is not subject to the restrictions described above; as long as have employed the various improvement that method is conceived and technical scheme is carried out of utility model; or the design of utility model and technical scheme directly applied to other occasion, all in protection domain of the present utility model without to improve.
Claims (4)
1. nuclear power plant's bearing bush temperature meter, it is characterized in that, comprise resistance thermometer clement (1), protection metal pipe (2), four fluorine tube (3), stock screwed part (4), spring (5), collet threaded parts (6), tetrafluoro Wire sheath (7) and tetrafluoro wire (8); Tetrafluoro Wire sheath (7) is coated on tetrafluoro wire (8) outward; Protection metal pipe (2) is socketed in four fluorine tube (3) and resistance thermometer clement (1) outer wall; Four fluorine tube (3) one end close, the other end be enclosed within resistance thermometer clement (1) outward and with tetrafluoro Wire sheath (7) one end frit seal; Protection metal pipe (2) and tetrafluoro Wire sheath (7) are tightly connected by stock screwed part (4); Coated tetrafluoro Wire sheath (7) outer wall of stock screwed part (4) is provided with spring (5), and stock screwed part (4) end is provided with the collet threaded parts (6) coordinated with spring (5); Resistance thermometer clement (1) is connected away from one end of protection metal pipe (2) and tetrafluoro wire (8).
2. nuclear power plant according to claim 1 bearing bush temperature meter, is characterized in that, resistance thermometer clement (1) is Film-mode resistor element.
3. nuclear power plant according to claim 1 bearing bush temperature meter, is characterized in that, protection metal pipe (2) adopts 304SS material to make.
4. nuclear power plant according to claim 1 bearing bush temperature meter, is characterized in that, tetrafluoro wire (8) is three core tetrafluoro wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574814.6U CN204854982U (en) | 2015-07-30 | 2015-07-30 | Nuclear power plant uses axle bush thermometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520574814.6U CN204854982U (en) | 2015-07-30 | 2015-07-30 | Nuclear power plant uses axle bush thermometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204854982U true CN204854982U (en) | 2015-12-09 |
Family
ID=54745521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520574814.6U Active CN204854982U (en) | 2015-07-30 | 2015-07-30 | Nuclear power plant uses axle bush thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204854982U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631810A (en) * | 2017-10-25 | 2018-01-26 | 江苏杰创科技有限公司 | A kind of pump housing bearing shell oil resistance thermometer |
| WO2019201173A1 (en) * | 2018-04-18 | 2019-10-24 | 苏州益维蓝电子科技有限公司 | Sensor |
-
2015
- 2015-07-30 CN CN201520574814.6U patent/CN204854982U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631810A (en) * | 2017-10-25 | 2018-01-26 | 江苏杰创科技有限公司 | A kind of pump housing bearing shell oil resistance thermometer |
| WO2019201173A1 (en) * | 2018-04-18 | 2019-10-24 | 苏州益维蓝电子科技有限公司 | Sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Tiankang (Group) Co., Ltd. Assignor: Anhui Tiankang Co., Ltd. Contract record no.: 2016340000002 Denomination of utility model: Nuclear power plant uses axle bush thermometer Granted publication date: 20151209 License type: Common License Record date: 20160215 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model |