CN2927014Y - Lever-type steel-pipe internal-wall temperature sensing device - Google Patents
Lever-type steel-pipe internal-wall temperature sensing device Download PDFInfo
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- CN2927014Y CN2927014Y CN200520048051.8U CN200520048051U CN2927014Y CN 2927014 Y CN2927014 Y CN 2927014Y CN 200520048051 U CN200520048051 U CN 200520048051U CN 2927014 Y CN2927014 Y CN 2927014Y
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- test rod
- steel pipe
- temperature
- electric thermo
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Abstract
A lever-type temperature detection device for the steel pipe inner wall is characterized in that: the utility model comprises a thermocouple temperature detection rod, a detection rod sleeve, a temperature detection meter, a hoisting rod and a detection rod pivot. A thermocouple temperature measurement head is arranged on top of the thermocouple temperature detection rod, while the hoisting rod is arranged at the tail part of the thermocouple temperature detection rod. The detection rod pivot is arranged at the place of the thermocouple temperature detection rod that is close to the hoisting rod, which is a hinged point. The thermocouple temperature detection rod is sheathed in the detection rod sleeve that is arranged inside the induction heating coil to contact with the heated steel pipe inner wall, while an outgoing line at the tail part of the detection rod is connected with the temperature detection meter.
Description
(1) technical field
The utility model relates to the temperature detection of steel pipe in induction heating, relates in particular to steel pipe inner wall temperature pick-up unit.
(2) background technology
It is quick, energy-conservation, efficient that induction heating has, and is convenient to series of advantages such as robotization, has been widely used in metallurgical industry as heating.In seamless steel tube production process, the thickening method of steel tube end part is utilized Frequency Induction Heating exactly three times, increases heated length gradually, carries out the jumping-up thickened steel-tube then.The general requirement of heating-up temperature before the steel pipe jumping-up is controlled at 1200 ℃, because how the length of Medium Frequency Induction Heating Furnace case accurately detects heating-up temperature between 800-1000mm, effectively controls heat time heating time and temperature, is directly connected to the end mass of weldless steel tube.For many years, what the site operation personnel adopted is steel pipe method with infrared instrument detected temperatures after shifting out load coil, and consequent problem is, first, it is far away to detect the about 10m of distance, adds upper surface and often has oxide skin, is difficult to accurately detect the actual temperature of steel pipe; The second, because the whole heating process of steel pipe can't online detected temperatures at any time, cause the not enough or burning of steel pipe heating, influenced steel pipe thickening quality.
(3) summary of the invention
The purpose of this utility model is to provide a kind of lever steel pipe inner wall temperature pick-up unit, and this pick-up unit can be realized online accurate detection steel pipe heating-up temperature, and is simple in structure, and the accuracy of detection height is easy to operate, the measuring head long service life.
The utility model is achieved in that a kind of lever steel pipe inner wall temperature pick-up unit, it is characterized in that comprising the electric thermo-couple temperature test rod, the test rod sleeve pipe, temperature instrument, draw high bar, the test rod fulcrum, the thermocouple temperature measurement head is equipped with at electric thermo-couple temperature test rod top, electric thermo-couple temperature test rod afterbody is equipped with and draws high bar, near drawing high the bar place test rod fulcrum is housed at the electric thermo-couple temperature test rod, the test rod fulcrum is a pin joint, the electric thermo-couple temperature test rod is sleeved in the test rod sleeve pipe, the test rod sleeve pipe is arranged at load coil inside, contact with being heated the steel pipe inwall, the test rod afterbody has extension line jointing temp measuring instrument.
Above-mentioned lever steel pipe inner wall temperature pick-up unit, the described bar that draws high is hydraulic cylinder and liquid presses piston pole, and hydraulic cylinder is fixed in ground, and liquid presses piston pole is connected in electric thermo-couple temperature test rod afterbody.Draw high bar and be two extension spring bars up and down, extension spring bar one end is fixed, and the other end is connected in electric thermo-couple temperature test rod afterbody.
The utility model is to utilize a lever thermopair, be set in the sealing load coil, when in steel pipe enters load coil, being heated, thermopair is under liquid presses piston pole or the effect of extension spring bar, the thermocouple temperature measurement head is fallen be close to the steel pipe inwall, at any time detect the steel pipe temperature, realize the online detection of steel pipe thickening workshop section.Because steel pipe has played shielding action to thermopair, so detected steel pipe temperature is stable not interference; Outside the electric thermo-couple temperature test rod, be set with sleeve pipe, effectively protected the electric thermo-couple temperature test rod not to be subjected to the long-term radiation of high temperature, prolonged its serviceable life.The utility model is simple in structure, and is easy to operate, the accuracy of detection height, and long service life realizes that easily closed loop controls automatically.
(4) description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 draws high the lever steel pipe inner wall temperature pick-up unit structural representation of bar for adopting hydraulic pressure;
Fig. 2 is for adopting the lever steel pipe inner wall temperature pick-up unit structural representation of extension spring bar;
Fig. 3 is that the electric thermo-couple temperature detection head is to steel pipe inwall contact pressure synoptic diagram.
Among the figure: 1 steel pipe, 2 load coils, 3 test rod sleeve pipes, 4 electric thermo-couple temperature test rods (temperature measuring head), 5 temperature instruments, 6 liquid presses piston poles, 7 hydraulic cylinders, 8 test rod fulcrums, 9 extension spring bars.
(5) embodiment
Referring to Fig. 1, Fig. 2, a kind of lever steel pipe inner wall temperature pick-up unit comprises electric thermo-couple temperature test rod 4, test rod sleeve pipe 3, temperature instrument 5, draws high bar, test rod fulcrum 8.The thermocouple temperature measurement head is equipped with at electric thermo-couple temperature test rod 4 tops, and electric thermo-couple temperature test rod 4 afterbodys are equipped with and draw high bar, near drawing high the bar place test rod fulcrum 8 is housed at electric thermo-couple temperature test rod 4, and test rod fulcrum 8 is a pin joint.Electric thermo-couple temperature test rod 4 is sleeved in the test rod sleeve pipe 3, and test rod sleeve pipe 3 is arranged at load coil 2 inside, contacts with being heated steel pipe 1 inwall, and test rod 4 afterbodys have extension line jointing temp measuring instrument 5.Drawing high bar is hydraulic cylinder 7 and liquid presses piston pole 6, referring to Fig. 1.Hydraulic cylinder 7 is fixed in ground, and liquid presses piston pole 6 is connected in electric thermo-couple temperature test rod 4 afterbodys.Open hydraulic cylinder 7 piston rod 6 is moved up and down, arrive at steel pipe 1 inwall or leave steel pipe 1 inwall thereby drive electric thermo-couple temperature test rod 4 temperature measuring heads.When steel pipe 1 heating, make temperature measuring head 4 arrive at steel pipe 1 inwall, realize measurement to the steel pipe temperature.The contact of temperature measuring head 4 can be downward or upward, and present embodiment is downward.
Referring to Fig. 2, draw high bar and be two extension spring bars 9 up and down, extension spring bar 9 one ends are fixed, and the other end is connected in electric thermo-couple temperature test rod 4 afterbodys.Pulling extension spring bar 9 drives electric thermo-couple temperature test rod 4 temperature measuring heads and arrives at steel pipe 1 inwall.When steel pipe 1 heating, make temperature measuring head 4 arrive at steel pipe 1 inwall, realize measurement to the steel pipe temperature.
Referring to Fig. 3, the contact pressure that electric thermo-couple temperature test rod 4 temperature measuring heads arrive at steel pipe 1 inwall is provided by following formula:
F＝f*l/L
Wherein: the pressure of f electric thermo-couple temperature test rod afterbody,
The l fulcrum is to the arm of force of test rod afterbody,
F test rod temperature measuring head contact pressure,
The L fulcrum is to the arm of force of test rod temperature measuring head;
Temperature measuring head contact pressure F value can be controlled in below the 5kg.
The utility model is simple in structure, and is easy to operate, the accuracy of detection height, and long service life realizes that easily closed loop controls automatically.
Claims (3)
1. lever steel pipe inner wall temperature pick-up unit, it is characterized in that comprising the electric thermo-couple temperature test rod, the test rod sleeve pipe, temperature instrument, draw high bar, the test rod fulcrum, the thermocouple temperature measurement head is equipped with at electric thermo-couple temperature test rod top, electric thermo-couple temperature test rod afterbody is equipped with and draws high bar, near drawing high the bar place test rod fulcrum is housed at the electric thermo-couple temperature test rod, the test rod fulcrum is a pin joint, the electric thermo-couple temperature test rod is sleeved in the test rod sleeve pipe, the test rod sleeve pipe is arranged at load coil inside, contact with being heated the steel pipe inwall, the test rod afterbody has extension line jointing temp measuring instrument.
2. lever steel pipe inner wall temperature pick-up unit according to claim 1, it is characterized in that drawing high bar is hydraulic cylinder and liquid presses piston pole, and hydraulic cylinder is fixed in ground, and liquid presses piston pole is connected in electric thermo-couple temperature test rod afterbody.
3. lever steel pipe inner wall temperature pick-up unit according to claim 1 is characterized in that drawing high bar and is two extension spring bars up and down, and extension spring bar one end is fixed, and the other end is connected in electric thermo-couple temperature test rod afterbody.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520048051.8U CN2927014Y (en) | 2005-12-27 | 2005-12-27 | Lever-type steel-pipe internal-wall temperature sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200520048051.8U CN2927014Y (en) | 2005-12-27 | 2005-12-27 | Lever-type steel-pipe internal-wall temperature sensing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2927014Y true CN2927014Y (en) | 2007-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200520048051.8U Expired - Fee Related CN2927014Y (en) | 2005-12-27 | 2005-12-27 | Lever-type steel-pipe internal-wall temperature sensing device |
Country Status (1)
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| CN (1) | CN2927014Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915622A (en) * | 2010-08-23 | 2010-12-15 | 西安航空动力股份有限公司 | Rotatory test temperature measuring equipment of aircraft engine rotor part |
| CN104089716A (en) * | 2014-06-25 | 2014-10-08 | 西安交通大学 | Device for measuring temperature of inner walls of electrified heating pipes connected in parallel |
| CN105784160A (en) * | 2014-12-18 | 2016-07-20 | 国核（北京）科学技术研究院有限公司 | Temperature measuring device and method for measuring inner wall temperature of pipeline |
| CN112179514A (en) * | 2020-09-25 | 2021-01-05 | 华北电力大学 | Rod bundle heating tube inner wall temperature measuring device with real-time calibration function |
| CN113008398A (en) * | 2021-03-02 | 2021-06-22 | 中冶赛迪上海工程技术有限公司 | Mounting bracket for strip steel lower surface temperature detector and mounting method thereof |
-
2005
- 2005-12-27 CN CN200520048051.8U patent/CN2927014Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101915622A (en) * | 2010-08-23 | 2010-12-15 | 西安航空动力股份有限公司 | Rotatory test temperature measuring equipment of aircraft engine rotor part |
| CN101915622B (en) * | 2010-08-23 | 2011-11-09 | 西安航空动力股份有限公司 | Rotatory test temperature measuring equipment of aircraft engine rotor part |
| CN104089716A (en) * | 2014-06-25 | 2014-10-08 | 西安交通大学 | Device for measuring temperature of inner walls of electrified heating pipes connected in parallel |
| CN104089716B (en) * | 2014-06-25 | 2016-05-25 | 西安交通大学 | A kind of device of measuring wall temperature in energising heating tube in parallel |
| CN105784160A (en) * | 2014-12-18 | 2016-07-20 | 国核（北京）科学技术研究院有限公司 | Temperature measuring device and method for measuring inner wall temperature of pipeline |
| CN112179514A (en) * | 2020-09-25 | 2021-01-05 | 华北电力大学 | Rod bundle heating tube inner wall temperature measuring device with real-time calibration function |
| CN112179514B (en) * | 2020-09-25 | 2021-11-09 | 华北电力大学 | Rod bundle heating tube inner wall temperature measuring device with real-time calibration function |
| CN113008398A (en) * | 2021-03-02 | 2021-06-22 | 中冶赛迪上海工程技术有限公司 | Mounting bracket for strip steel lower surface temperature detector and mounting method thereof |
| CN113008398B (en) * | 2021-03-02 | 2022-11-18 | 中冶赛迪上海工程技术有限公司 | Mounting bracket for strip steel lower surface temperature detector and mounting method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070725 Termination date: 20131227 |