CN106352997B - A kind of device measuring cylinder seat oil liquid temperature - Google Patents
A kind of device measuring cylinder seat oil liquid temperature Download PDFInfo
- Publication number
- CN106352997B CN106352997B CN201610890294.9A CN201610890294A CN106352997B CN 106352997 B CN106352997 B CN 106352997B CN 201610890294 A CN201610890294 A CN 201610890294A CN 106352997 B CN106352997 B CN 106352997B
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- CN
- China
- Prior art keywords
- plug screw
- thermocouple
- temperature
- cylinder seat
- bonding agent
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
Abstract
A kind of device measuring cylinder seat oil liquid temperature, thermocouple is packed into the thermocouple mounting hole at the center of the plug screw, and is located at the extraction line end of thermocouple outside one section of end face of the plug screw, is located at the thermometric work head of thermocouple outside the plug screw the other end face.At the both ends of plug screw with the bonding agent by the thermocouple sealing.The present invention does adapter with screwed plug, is connection type with bonding agent, thermocouple is fixed in blocking, is to assign a progress real time temperature measurement with the deflating valve hydraulic interface on brake gear cylinder seat.The present invention has the characteristics that performance is stable, easy to use, cheap without maintenance and manufacturing cost, it is tested through multiple rack wheels-locked testing, non-loosening, oil leakage phenomenon can be measured accurately and reliably and indicate measured medium temperature, meet Inspection Aircraft Wheels wheels-locked testing thermometric requirement；It is resistant to high/low temperature, high pressure and vibration, is applicable to -60 DEG C~200 DEG C, hydraulic fluid pressure is up to the installation test condition of 28MPa.
Description
Technical field
It is specifically a kind of to utilize thermocouple measurement cylinder block oil liquid the present invention relates to the measurement of Inspection Aircraft Wheels brake gear temperature
The device of temperature.
Background technique
The huge kinetic energy of Inspection Aircraft Wheels aircraft in brake process is converted into thermal energy consumption by the mechanical friction of brake disc
Fall, result not only brake disc high temperature raising due to friction itself, wheel and brake gear other parts also will receive
Heat affecting and temperature increase.Cylinder seat is that the device of power is provided for wheel braking, is fitted with multiple by hydraulic operation
Piston.The heat part that brake rear brake hull generates is transmitted to cylinder seat, increases cylinder seat temperature, and then make cylinder seat intracavity liquid
The temperature of pressure oil increases.Brake exhaust casing seat oil liquid temperature variation is neutralized in order to quantitatively monitor brake, needs to survey using temperature
Amount device or instrument is practical is tested.Most common temperature sensor is exactly thermocouple in industrial and research and production, it is
Thermocouple is embedded to or is inserted into testee or medium, is transmitted to the temperature signal (voltage) of measurement by thermocouple tail end lead
Temperature display or record system.The monitoring of hydraulic system oil liquid temperature generally uses open-type sensor monitoring method, just
It is to be inserted directly into thermocouple in fuel tank to carry out in hydraulic oil.But since cylinder seat piston hydraulic pressure chamber is narrow, and the pressure that works
Power is high, can not directly assign thermocouple temperature measurement.Infrared thermometer is another thermometric mode, it does not need the cloth on measured object
Temperature sensor is set, as long as temperature-measuring gun alignment target can sense temperature.But if vapour can only be detected using this measuring tool
Cylinder seat surface temperature cannot directly detect the temperature of hydraulic oil in cylinder seat.
Summary of the invention
To overcome the shortcomings of the temperature existing in the prior art that cannot directly detect hydraulic oil in cylinder seat, the present invention
Propose a kind of device for measuring cylinder seat oil liquid temperature.
The present invention includes thermocouple, plug screw and bonding agent.Wherein, thermocouple is packed into the thermocouple peace at the center of the plug screw
It fills in hole, and is located at the extraction line end of thermocouple outside one section of end face of the plug screw, the thermometric work head of thermocouple is made to be located at the spiral shell
It fills in outside the other end face.At the both ends of plug screw with the bonding agent by the thermocouple sealing.
There is longitudinally through thermocouple mounting hole at the center of the plug screw, for placing thermocouple.The plug screw is divided into spiral shell
Chock plug section, plug screw cervical part of esophagus and plug screw rod segment.One end that the plug screw head section of the plug screw is located at the plug screw is outer six side.The plug screw of plug screw
Rod segment is located at the other end of the plug screw, and outer surface is flank.The plug screw cervical part of esophagus of plug screw is for assembling sealing ring.
Shape at the thermocouple mounting hole both ends aperture at the plug screw center is straight hole or step-like groove, or is outer
Expansion formula cone cell groove, or the arc-shaped groove for indent.
In the thermocouple wire penetration protecting pipe, and it is packed into together with protection pipe the installation of TC at the plug screw center together
In hole.The extraction line end of thermocouple is located at outside the end face of plug screw head section one end of plug screw；The thermometric work head of thermocouple stretches out spiral shell
Fill in 5~20mm of adhesive surface of the other end face.
Bonding agent uses normal temperature cure or heating cure；When using normal temperature cure, curing time is 1~1.5 day；When adopting
When with heating cure, solidification temperature is 85~120 DEG C, and curing time is 2.5~3h.
The temperature of present invention hydraulic oil in energy direct quantitative instruction cylinder seat in Inspection Aircraft Wheels brake process and after brake.
It is a further object of the present invention to provide it is a kind of measure cylinder seat oil liquid temperature device, will not interfere Inspection Aircraft Wheels brake operation or
It damages under conditions of the intensity or integrality of brake gear cylinder seat, can directly determine in Inspection Aircraft Wheels brake process and after brake
The temperature of hydraulic oil in amount instruction cylinder seat.Another object of the present invention is to provide a kind of dress for measuring cylinder seat oil liquid temperature
It sets, is amenable to the temperature repeatedly braked and hydraulic fluid pressure effect, and it can be reliably after brake in Inspection Aircraft Wheels brake process
Direct quantitative indicates the temperature of hydraulic oil in cylinder seat.
Technological approaches of the invention is to do adapter with screwed plug, is connection type with bonding agent, thermocouple is fixed
It is to assign a progress real time temperature measurement with the deflating valve hydraulic interface on brake gear cylinder seat in blocking.
The cylinder seat oil liquid temperature measuring device further include: sealing device, it is first that the sealing device is proximate to plug screw
External sealing device is held, the double seal having at the built-in sealing device in plug screw head one end or two, sealing member
Part is O shape rubber seal；The sealing device can also be that built-in sealing device, sealing element are rubber seal plugs.
Cylinder seat oil liquid temperature measuring device provided by the invention, design installation is exquisite, and compact-sized reasonable, performance is steady
Fixed, easy to use, without maintenance, manufacturing cost is cheap, tests through multiple rack wheels-locked testing, non-loosening, oil leakage phenomenon, can be quasi-
True reliable measurements indicate measured medium temperature, meet Inspection Aircraft Wheels wheels-locked testing thermometric requirement；Be resistant to high/low temperature, high pressure and
Vibration, is applicable to -60 DEG C~200 DEG C, hydraulic fluid pressure is up to the installation test condition of 28MPa.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the schematic diagram of step-like glue groove；
Fig. 3 is the schematic diagram for extending out formula taper glue groove；
Fig. 4 is the schematic diagram of arc-shaped glue groove；
Fig. 5 is the present invention while sealing the schematic diagram with built-in sealing using external；
Fig. 6 is the schematic diagram using built-in sealing；
Fig. 7 is the schematic diagram using external sealing.In figure:
1. thermocouple；2. plug screw；3. bonding agent；4. sealing ring.
Specific embodiment
Embodiment 1
As shown in figures 1-4.A kind of device measuring cylinder seat oil liquid temperature, including thermocouple 1, plug screw 2 and bonding agent 3.
Wherein, thermocouple 1 is packed into the thermocouple mounting hole at the center of the plug screw 2, and the extraction line end of thermocouple is made to be located at the spiral shell
It fills in outside one section of end face, is located at the thermometric work head of thermocouple outside the plug screw the other end face.In the both ends bonding agent of plug screw 2
By the thermocouple sealing.
The plug screw 2 is cylinder.There is longitudinally through thermocouple mounting hole at the center of the plug screw, for placing thermoelectricity
Even 1.The plug screw is divided into plug screw head section, plug screw cervical part of esophagus and plug screw rod segment.The plug screw head section of the plug screw is located at one end of the plug screw,
For outer six side, so that Wrench dismantles the plug screw on cylinder seat.The plug screw rod segment of plug screw is located at the other end of the plug screw, outside
Surface is flank, with be screwed into cylinder seat hydraulic interface, with oil and gas cylinder seat hydraulic interface screw-internal thread fit, plug screw 2 is coupled
It is fixed on cylinder seat hydraulic interface.Between plug screw head section and plug screw rod segment, external peripheral surface is the plug screw cervical part of esophagus of plug screw
Smooth surface guarantees the sealing of the plug screw thread connection by the sealing ring after assembly of 2 cylinder seat of plug screw with assembly sealing ring
Property, prevent leakage hydraulic oil.
Shape at the thermocouple mounting hole both ends aperture at 2 center of plug screw is straight hole, or has groove of various shapes,
Including step-like groove, or to extend out formula cone cell groove, or the arc-shaped groove for indent.It is accommodated by the various grooves viscous
Agent 3 is connect, bond area is expanded and not only increases bonding strength and leakproofness, but also reduce the size that bonding agent 3 protrudes plug screw 2.
The thermocouple 1 is temperature-measuring element, and thermocouple 1 includes thermocouple wire, protection pipe and extraction line end.The heat
In thermocouple wire penetration protecting pipe, and it is packed into the thermocouple mounting hole at 2 center of plug screw together together with protection pipe.Thermocouple 1
Extraction line end be located at outside the end face of plug screw head section one end of plug screw 2；The thermometric work head of thermocouple 1 stretches out 2 other end of plug screw
5~20mm of adhesive surface of end face.In the present embodiment, the thermometric work head of thermocouple 1 stretches out the viscous of 2 the other end face of plug screw
Meet agent surface 5mm.
Bonding agent 3 is located at thermocouple insert division described in plug screw both ends and is pierced by place, is to apply bonding agent around thermocouple 1 to consolidate
Thermocouple 1 and plug screw 2 are reliably connected together, together by the connector or link material formed after change to fixed thermocouple 1
When, guarantee the leakproofness between 2 centre bore of plug screw and thermocouple 1, prevents leakage hydraulic oil.Bonding agent uses normal temperature cure, or
Heating cure；Normal temperature cure 1~1.5 day；Temperature when heating cure is 85~120 DEG C, and the time is 2~3h.In the present embodiment
Using normal temperature cure, curing time is 1 day.
In the present embodiment, the center-hole diameter of plug screw 2 is 0.1mm bigger than the diameter of thermocouple 1, and thermocouple is K-type thermocouple,
The orifice shapes at the central through hole both ends of plug screw 2 are straight hole, and bonding agent 3 is the material formed after aluminum healant solidifies, aluminum
The modulation of healant is used to be carried out by aluminum healant bonding agent specification, and solidification is heated using baking oven, and 100 DEG C of solidification temperature,
Time 3h, the length that the thermometric work head of thermocouple 1 stretches out adhesive surface is 5mm.
In use, connecing the deflating valve that is mounted on brake gear cylinder seat of device for measuring cylinder seat oil liquid temperature is hydraulic
On mouth, brake pressure is connected, oil leak is checked whether by product hermeticity requirement, if qualified, testing inspection can be put into.
The other forms of 1 the present embodiment technical solution of table
| Scheme | Groove shapes | Thermometric work head extension elongation mm | Curing mode | Solidification temperature DEG C | Curing time h |
| 1 | Straight hole | 5 | Normal temperature cure | ? | 24 |
| 2 | It is step-like | 10 | Normal temperature cure | ? | 36 |
| 3 | Extend out formula cone cell | 14 | Normal temperature cure | ? | 32 |
| 4 | The arc-shaped of indent | 16 | Heating cure | 100 | 3.0 |
| 5 | It is step-like | 20 | Heating cure | 85 | 2.5 |
| 6 | The arc-shaped of indent | 18 | Heating cure | 120 | 2.0 |
Embodiment 2
The present embodiment and example 1 except that: sealed set between thermocouple 1 and plug screw 2 sealing device rubber is close
Seal 4, sealing effect is more preferably more durable.
As shown in Fig. 5~7.The present embodiment includes thermocouple 1, plug screw 2 and bonding agent 3.Wherein, thermocouple 1 is packed into described
In the thermocouple mounting hole at the center of plug screw 2, and it is located at the extraction line end of thermocouple outside one section of end face of the plug screw, makes thermocouple
Thermometric work head be located at outside the plug screw the other end face.Plug screw 2 both ends bonding agent by the thermocouple sealing.In spiral shell
It is equipped in the thermocouple mounting hole of plug at two or sealing ring 4 at one.
The plug screw 2 is cylinder.There is longitudinally through thermocouple mounting hole at the center of the plug screw, for placing thermoelectricity
Even 1.It is machined at two on the surface of the thermocouple mounting hole or seal groove at one, for placing sealing ring 4, to improve thermocouple
Leakproofness between 1 and 2 inner hole of plug screw；Seal groove is located at the plug screw head section and plug screw rod segment of the plug screw at described two；
Seal groove is located at the plug screw head section of the plug screw or is located at plug screw rod segment at described one.
It is external sealing means when plug screw first end of the position of the seal groove in plug screw 2；When the seal groove
Position at plug screw head one end, be built-in sealing means.In described two sealing means, external sealing means by
The influence of high temperature is less than built-in sealing means.
In the present embodiment, the seal groove has at two, therefore uses external and built-in two kinds of sealing means simultaneously.
4 compression ratio of sealing ring is selected by prior art static seal, is 18~30%.
The plug screw is divided into plug screw head section, plug screw cervical part of esophagus and plug screw rod segment.The plug screw head section of the plug screw is located at the plug screw
One end is outer six side, so that Wrench dismantles the plug screw on cylinder seat.The plug screw rod segment of plug screw is located at the another of the plug screw
End, outer surface is flank, with be screwed into cylinder seat hydraulic interface, and oil and gas cylinder seat hydraulic interface screw-internal thread fit, by plug screw 2
It is connected and fixed on cylinder seat hydraulic interface.The plug screw cervical part of esophagus of plug screw is between plug screw head section and plug screw rod segment, outer circle weekly form
Face is smooth surface, guarantees the plug screw thread connection by the sealing ring after assembly of 2 cylinder seat of plug screw with assembly sealing ring
Leakproofness prevents leakage hydraulic oil.
Shape at the thermocouple mounting hole both ends aperture at 2 center of plug screw is straight hole, or has groove of various shapes,
Including step-like groove, or to extend out formula cone cell groove, or the arc-shaped groove for indent.It is accommodated by the various grooves viscous
Agent 3 is connect, bond area is expanded and not only increases bonding strength and leakproofness, but also reduce the size that bonding agent 3 protrudes plug screw 2.This reality
It applies in example, the shape at the aperture of the thermocouple mounting hole both ends is arc-shaped groove.
The thermocouple 1 is temperature-measuring element, and thermocouple 1 includes thermocouple wire, protection pipe and extraction line end.The heat
In thermocouple wire penetration protecting pipe, and it is packed into the thermocouple mounting hole at 2 center of plug screw together together with protection pipe.Thermocouple 1
Extraction line end be located at outside the end face of plug screw head section one end of plug screw 2；The thermometric work head of thermocouple 1 stretches out 2 other end of plug screw
5~20mm of adhesive surface of end face.In the present embodiment, the thermometric work head of thermocouple 1 stretches out the viscous of 2 the other end face of plug screw
Meet agent surface 12mm.
Bonding agent 3 is located at thermocouple insert division described in plug screw both ends and is pierced by place, is to apply bonding agent around thermocouple 1 to consolidate
Thermocouple 1 and plug screw 2 are reliably connected together, together by the connector or link material formed after change to fixed thermocouple 1
When, guarantee the leakproofness between 2 centre bore of plug screw and thermocouple 1, prevents leakage hydraulic oil.Bonding agent uses normal temperature cure, or
Heating cure；Normal temperature cure 1~1.5 day；Temperature when heating cure is 85~120 DEG C, and the time is 2~3h.In the present embodiment
Using heating cure, solidification temperature is 120 DEG C, curing time 2.5h.
In the present embodiment, the center-hole diameter of plug screw 2 is 0.1mm bigger than the diameter of thermocouple 1, and thermocouple is K-type thermocouple,
There is arc-shaped groove at the aperture at two end of central through hole of plug screw 2.Bonding agent 3 is the material formed after aluminum healant solidifies,
The modulation of aluminum healant is used to be carried out by aluminum healant bonding agent specification, and solidification is heated using baking oven, and solidification temperature is
100 DEG C, time 3h；The length that the thermometric work head of thermocouple 1 stretches out 3 surface of bonding agent is 12mm, while using built-in
It is sealed with external, 4 compression ratio of sealing ring is 28%.
The other forms of 2 the present embodiment technical solution of table
| Scheme | Compress rate of sealing ring % | Thermometric work head extension elongation mm | Curing mode | Solidification temperature DEG C | Curing time h |
| 1 | 18 | 5 | Normal temperature cure | ? | 24 |
| 2 | 20 | 8 | Normal temperature cure | ? | 36 |
| 3 | 22 | 12 | Normal temperature cure | ? | 30 |
| 4 | 30 | 16 | Heating cure | 90 | 3.0 |
| 5 | 25 | 20 | Heating cure | 85 | 2.5 |
| 6 | 28 | 18 | Heating cure | 110 | 2.0 |
Claims (1)
1. a kind of device for measuring cylinder seat oil liquid temperature, which is characterized in that including thermocouple, plug screw and bonding agent；Wherein, hot
Galvanic couple is packed into the thermocouple mounting hole at the plug screw center, and the extraction line end of thermocouple is made to be located at plug screw one end end face
Outside, it is located at the thermometric work head of thermocouple outside the plug screw the other end face；It will be described with the bonding agent at the both ends of plug screw
Thermocouple sealing；
In thermocouple wire penetration protecting pipe, and it is packed into the thermocouple mounting hole at the plug screw center together together with protection pipe；
The extraction line end of thermocouple is located at outside the end face of plug screw head section one end of plug screw；The thermometric work head of thermocouple stretches out plug screw
5~20mm of adhesive surface of the other end face；
Shape at the thermocouple mounting hole both ends aperture at the plug screw center is straight hole or step-like groove, or to extend out formula
Cone cell groove, or the arc-shaped groove for indent；
Bonding agent uses normal temperature cure or heating cure；When using normal temperature cure, curing time is 1~1.5 day；Add when using
When temperature solidification, solidification temperature is 85~120 DEG C, and curing time is 2.5~3h；
The plug screw is divided into plug screw head section, plug screw cervical part of esophagus and plug screw rod segment；The plug screw head section of the plug screw is located at one end of the plug screw,
For outer six side；The plug screw rod segment of plug screw is located at the other end of the plug screw, and outer surface is flank；The plug screw cervical part of esophagus of plug screw is for filling
With sealing ring；Sealing ring is installed in the thermocouple mounting hole of plug screw rod segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890294.9A CN106352997B (en) | 2016-10-13 | 2016-10-13 | A kind of device measuring cylinder seat oil liquid temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890294.9A CN106352997B (en) | 2016-10-13 | 2016-10-13 | A kind of device measuring cylinder seat oil liquid temperature |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106352997A CN106352997A (en) | 2017-01-25 |
| CN106352997B true CN106352997B (en) | 2019-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610890294.9A Expired - Fee Related CN106352997B (en) | 2016-10-13 | 2016-10-13 | A kind of device measuring cylinder seat oil liquid temperature |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366653A (en) * | 2017-08-23 | 2017-11-21 | 中航飞机起落架有限责任公司 | A kind of oil-gas type suitable for space environment is equipped |
| CN111948258A (en) * | 2020-07-14 | 2020-11-17 | 国网江苏省电力有限公司 | Test device and test method for simulating fire burning of transformer bushing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4982608A (en) * | 1989-03-23 | 1991-01-08 | Kistler Instrumente Ag | High-pressure transducer |
| CN201917408U (en) * | 2010-10-29 | 2011-08-03 | 武汉海王机电工程技术公司 | Sealed temperature detection device |
| CN202083479U (en) * | 2011-05-26 | 2011-12-21 | 河南省科学院同位素研究所有限责任公司 | Quick-response temperature sensor structure for well logging |
| CN202547820U (en) * | 2012-03-02 | 2012-11-21 | 恒新基电子（青岛）有限公司 | Screw type temperature sensor |
| CN105547504A (en) * | 2015-12-11 | 2016-05-04 | 中国航空工业标准件制造有限责任公司 | Vacuum furnace thermocouple installation leakage-prevention device |
-
2016
- 2016-10-13 CN CN201610890294.9A patent/CN106352997B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4982608A (en) * | 1989-03-23 | 1991-01-08 | Kistler Instrumente Ag | High-pressure transducer |
| CN201917408U (en) * | 2010-10-29 | 2011-08-03 | 武汉海王机电工程技术公司 | Sealed temperature detection device |
| CN202083479U (en) * | 2011-05-26 | 2011-12-21 | 河南省科学院同位素研究所有限责任公司 | Quick-response temperature sensor structure for well logging |
| CN202547820U (en) * | 2012-03-02 | 2012-11-21 | 恒新基电子（青岛）有限公司 | Screw type temperature sensor |
| CN105547504A (en) * | 2015-12-11 | 2016-05-04 | 中国航空工业标准件制造有限责任公司 | Vacuum furnace thermocouple installation leakage-prevention device |
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