CN210464710U - Thermocouple jacking device for detecting temperature of sample in high-temperature furnace - Google Patents
Thermocouple jacking device for detecting temperature of sample in high-temperature furnace Download PDFInfo
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- CN210464710U CN210464710U CN201921792161.3U CN201921792161U CN210464710U CN 210464710 U CN210464710 U CN 210464710U CN 201921792161 U CN201921792161 U CN 201921792161U CN 210464710 U CN210464710 U CN 210464710U
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Abstract
The utility model relates to a thermocouple jacking device for detecting the temperature of a sample in a high-temperature furnace, wherein one end of a clamping sleeve seat is arranged on the outer wall of the high-temperature furnace, a sleeve is penetrated by a sliding sleeve, and a thermocouple is arranged in the sleeve; the sliding sleeve is inserted from the other end of the clamping sleeve seat, is connected with the clamping sleeve seat and keeps relatively static, one end of the sleeve is positioned in the clamping sleeve seat, the other end of the sleeve is in threaded connection with the nut, the part of the sleeve positioned in the clamping sleeve seat is sleeved with the elastic piece, and two ends of the elastic piece are respectively abutted against the sliding sleeve and one end of the sleeve; one end of the thermocouple is inserted into the high-temperature furnace, the thermocouple is abutted to a sample to be detected, the nut is pulled outwards, the sleeve compression elastic piece is driven to move, the thermocouple is clamped by the sleeve after the thermocouple is moved in place through screwing the nut, the contact position of the thermocouple and the sample to be detected provides pre-tightening force through the compressed elastic piece, and the thermocouple is always abutted to the sample to be detected in the detection process. The utility model discloses can with the thermocouple often with by test appearance in close contact with together, greatly strengthen the reliability of testing data.
Description
Technical Field
The utility model belongs to metal specimen temperature measurement field, specifically speaking are a thermocouple top tight device that is used for sample temperature to detect in the high temperature furnace.
Background
In order to obtain the mechanical properties of a metal material or other high-temperature resistant materials in a specific temperature state (for example, in a high-temperature state of 1100 ℃), a sample to be tested needs to be detected from time to time so as to perform a high-temperature mechanical experiment of the material in a required state (including a temperature rise curve and an actual temperature of the sample).
At present, in the similar experiments, the method for detecting the temperature of the tested sample at any time is to put a thermocouple in a section of short heat-resistant ceramic tube (which is convenient for bending), and then bind the bendable thermocouple on the sample by using a high-temperature-resistant asbestos rope and the like for detection. However, the following disadvantages exist with this method:
1. thermocouples (high temperature sensing is typically made of platinum rhodium wire) are often bent and easily damaged.
2. The thermocouple is bound on the sample by a high-temperature-resistant asbestos rope and the like, so that the thermocouple is easy to fall off particularly after the sample is stretched and deformed when in use, and the reliability of detection data is directly influenced.
3. The thermocouple is bound on the sample by a high-temperature-resistant asbestos rope and the like, so that the occupied space is large, and the temperature of a certain point can be generally detected for a long sample.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems existing in the prior art, the object of the utility model is to provide a thermocouple jacking device for detecting the temperature of a sample in a high-temperature furnace. The thermocouple jacking device is used for a high-temperature furnace, and the temperature of a sample to be tested is automatically tracked by a thermocouple and detected at any time.
The purpose of the utility model is realized through the following technical scheme:
the utility model comprises a clamping sleeve seat, a sliding sleeve, a nut, an elastic piece, a sleeve and a thermocouple, wherein one end of the clamping sleeve seat is arranged on the outer wall of the high-temperature furnace, the sleeve is penetrated by the sliding sleeve, and the thermocouple is arranged in the sleeve; the sliding sleeve is inserted from the other end of the clamping sleeve seat when a sample is detected, is connected with the clamping sleeve seat and keeps relatively static, one end of the sleeve is positioned in the clamping sleeve seat when the sample is detected, and the other end of the sleeve is in threaded connection with a nut; an elastic piece is sleeved on the part of the sleeve positioned in the clamping sleeve seat, and two ends of the elastic piece are respectively abutted against the sliding sleeve and one end of the sleeve; one end of the thermocouple is inserted into the high-temperature furnace and is abutted to a sample to be detected, the nut is pulled outwards, the sleeve is driven to compress the elastic piece to move, the nut is screwed down after the sleeve moves in place, the thermocouple is clamped by the sleeve, the contact position of the thermocouple and the sample to be detected provides pretightening force through the compressed elastic piece, and the thermocouple is always abutted to the sample to be detected in the detection process.
Wherein: the other end of the clamping sleeve seat is provided with a groove, the sliding sleeve is provided with a pin shaft, and the pin shaft is clamped in the groove after the other end of the clamping sleeve seat is inserted into the sliding sleeve, so that the sliding sleeve and the clamping sleeve seat are fixedly connected.
The groove is J-shaped, namely the groove is formed from the end part of the other end of the clamping sleeve seat along the axial direction, then along the radial direction and finally along the axial direction and the reverse direction; the pin shaft on the sliding sleeve moves along the opening path of the groove in the process that the sliding sleeve is inserted into the clamping sleeve seat, and is finally positioned at the position which is reversely opened along the axial direction.
The middle of the sleeve is provided with a through hole through which a thermocouple is arranged, the axial section of the sleeve is T-shaped, the transverse edge of the T-shaped sleeve is one end of the sleeve and is positioned in the clamping sleeve seat, and the two ends of the elastic part are respectively abutted against the sliding sleeve and the transverse edge of the T-shaped sleeve.
The other end of the sleeve is provided with a thread which is in threaded connection with the nut, and the thread is provided with an opening along the axial direction.
The end C of the thermocouple is a measuring end which penetrates out of one end of the clamping sleeve seat and penetrates into the high-temperature furnace; and adjusting the sliding distance S1 of the elastic piece to adjust the magnitude of the jacking force of the contact part of the thermocouple and the sample to be measured.
The utility model discloses an advantage does with positive effect:
1. the utility model discloses can with the thermocouple often with by test appearance in close contact with together, greatly strengthen the reliability of testing data.
2. The utility model discloses only a point contact is held at the sample, like this to long sample, can use three thermocouple to detect the actual temperature by the different positions of test specimen often simultaneously to obtain more reliable experimental data.
3. The utility model discloses can make into the armor structure with the thermocouple, install the platinum rhodium line in heat-resisting metal pipe, but greatly increased thermocouple's life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a schematic structural view of the sleeve of FIG. 3 after the thermocouple slides to the right due to the deformation of the spring;
wherein: 1 is the cutting ferrule seat, 2 is the sliding sleeve, 3 is the nut, 4 is the spring, 5 is the sleeve pipe, 6 is the thermocouple, 7 is the round pin axle, 8 is the opening, 9 is the slot.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the utility model discloses a bayonet socket 1, sliding sleeve 2, nut 3, elastic component, sleeve pipe 5 and thermocouple 6, wherein the one end of bayonet socket 1 is fixed on the outer wall of high temperature furnace, and sleeve pipe 5 is passed by sliding sleeve 2, wears to be equipped with thermocouple 6 in this sleeve pipe 5. The sliding sleeve 2 is inserted by the other end of the cutting ferrule seat 1 when detecting a sample, and is connected with the cutting ferrule seat 1 and keeps relatively static, one end of the sleeve 5 is positioned in the cutting ferrule seat 1 when detecting the sample, the other end is in threaded connection with the nut 3, the part of the sleeve 5 positioned in the cutting ferrule seat 1 is sleeved with the elastic part, and two ends of the elastic part are respectively abutted to one ends of the sliding sleeve 2 and the sleeve 5.
The cutting ferrule base 1 of the embodiment is of an internal hollow structure, and the other end of the cutting ferrule base 1 is provided with a groove 9; the sliding sleeve 2 of this embodiment is a hollow cylinder, and the outer surface of the sliding sleeve 2 is provided with the pin shaft 7, and the pin shaft 7 is clamped in the groove 9 after the sliding sleeve 2 is inserted from the other end of the clamping sleeve seat 1, so that the sliding sleeve 2 and the clamping sleeve seat 1 are fixedly connected. The groove 9 of the present embodiment is "J" shaped, that is, the groove 9 is formed from the end of the other end of the ferrule holder 1 along the axial direction, then along the radial direction, and finally along the axial direction and in the reverse direction. The pin shaft 7 on the sliding sleeve 2 moves along the opening path of the groove 9 in the process that the sliding sleeve 2 is inserted into the clamping sleeve seat 1, and is finally positioned at the position which is reversely opened along the axial direction. The slot 9 and the round pin axle 7 of this embodiment are two, evenly set up along the circumferencial direction of the cutting ferrule seat 1 other end and the circumferencial direction of sliding sleeve 2 respectively.
The middle of the sleeve 5 of the embodiment is provided with a through hole through which the thermocouple 6 penetrates, the axial section of the sleeve 5 is T-shaped, and the transverse edge of the T-shaped sleeve is one end of the sleeve 5 and is positioned in the clamping sleeve seat 1; the other end of the sleeve 5 is provided with a thread which is in threaded connection with the nut 3, and the thread is provided with an opening 8 along the axial direction. After the other end of the sleeve 5 is in threaded connection with the nut 3, the sleeve 5 can be driven to move axially by pulling the nut 3; when the nut 3 is tightened, the nut 3 exerts a force on the other end of the sleeve 5 in a radial direction, causing the sleeve 5 to clamp the thermocouple 6, since the other end of the sleeve 5 is provided with the opening 8. The two ends of the elastic component are respectively connected with the sliding sleeve 2 and the transverse edge of the T shape in an abutting mode, and the elastic component is a spring 4.
The end C of the thermocouple 6 in this embodiment is a measuring end, and the measuring end penetrates out from one end of the ferrule holder 1 and penetrates into the high-temperature furnace. The magnitude of the abutting force of the thermocouple 6 at the contact position with the sample to be measured is adjusted by adjusting the sliding distance S1 of the elastic member.
The utility model discloses a theory of operation does:
inserting one end of a sleeve 5 into the clamping sleeve seat 1 from the other end of the clamping sleeve seat 1, and penetrating the other end of the sleeve 5 through the sliding sleeve 2; then the sliding sleeve 2 is inserted into the clamping sleeve seat 1 from the other end of the clamping sleeve seat 1, and when the sliding sleeve is inserted, the sliding sleeve is inserted along the axial direction, and then the sliding sleeve rotates, so that the pin shaft 7 on the sliding sleeve 2 is limited in the groove 9. The nut 3 is connected with the other end of the sleeve 5 in a threaded manner. And inserting the thermocouple 6 from the other end of the sleeve 5, and enabling the end C of the thermocouple 6 to penetrate out from one end of the clamping sleeve seat 1 and penetrate into the high-temperature furnace to be abutted against the sample to be measured. Thermocouple 6 links to each other with control system, the utility model discloses a control system is prior art.
When the temperature of the sample in the high-temperature furnace needs to be measured, the C end of the thermocouple 6 is contacted with the sample to be measured; one hand pulls nut 3 outward and the other hand holds thermocouple 6 stationary, and sleeve 5 is slid axially outward of the furnace by nut 3 a distance S1 (as shown in fig. 4), during which sliding spring 4 is compressed. Then, the nut 3 is screwed down to enable the sleeve 5 to clamp the thermocouple 6, so that the spring 4 is compressed to provide a pretightening force for the thermocouple 4, the C end of the thermocouple 6 can be always attached to a sample to be tested, the actual temperature of the sample is continuously monitored, and the detected actual temperature data of the sample is transmitted to the control system at any time. When the section of the sample deforms in the stretching process, the C end of the thermocouple 6 can be ensured to be always in contact with the sample to be tested, and the purpose of automatically tracking the sample and measuring the temperature is achieved. The magnitude of the applied pretightening force is determined according to a sample to be detected, and the magnitude of the pretightening force can be adjusted by adjusting the magnitude of the S1 distance.
Claims (6)
1. The utility model provides a tight device in thermocouple top for sample temperature detection in high temperature furnace which characterized in that: the high-temperature furnace thermal insulation sleeve comprises a clamping sleeve seat (1), a sliding sleeve (2), a nut (3), an elastic part, a sleeve (5) and a thermocouple (6), wherein one end of the clamping sleeve seat (1) is installed on the outer wall of the high-temperature furnace, the sleeve (5) penetrates through the sliding sleeve (2), and the thermocouple (6) penetrates through the sleeve (5); the sliding sleeve (2) is inserted from the other end of the sliding sleeve seat (1) when a sample is detected, is connected with the sliding sleeve seat (1) and keeps relatively static, one end of the sleeve (5) is positioned in the sliding sleeve seat (1) when the sample is detected, and the other end of the sleeve is in threaded connection with the nut (3); an elastic piece is sleeved on the part of the sleeve (5) positioned in the clamping sleeve seat (1), and two ends of the elastic piece are respectively abutted against one ends of the sliding sleeve (2) and the sleeve (5); one end of the thermocouple (6) is inserted into the high-temperature furnace and abutted to a sample to be detected, the nut (3) is pulled outwards, the sleeve (5) is driven to compress the elastic piece to move, the nut (3) is screwed down after the sleeve (5) is moved in place to clamp the thermocouple (6), the contact part of the thermocouple (6) and the sample to be detected provides pretightening force through the compressed elastic piece, and the thermocouple (6) is always abutted to the sample to be detected in the detection process.
2. The thermocouple tightening device for detecting the temperature of the sample in the high-temperature furnace according to claim 1, characterized in that: the other end of the clamping sleeve seat (1) is provided with a groove (9), the sliding sleeve (2) is provided with a pin shaft (7), and the sliding sleeve (2) is clamped in the groove (9) after the other end of the clamping sleeve seat (1) is inserted into the pin shaft (7), so that the sliding sleeve (2) is fixedly connected with the clamping sleeve seat (1).
3. The thermocouple tightening device for detecting the temperature of the sample in the high-temperature furnace according to claim 2, characterized in that: the groove (9) is J-shaped, namely the groove (9) is formed by the end part of the other end of the clamping sleeve seat (1) along the axial direction, then along the radial direction and finally along the axial direction; and the pin shaft (7) on the sliding sleeve (2) moves along the opening path of the groove (9) in the process that the sliding sleeve (2) is inserted into the clamping sleeve seat (1), and is finally positioned at the position which is reversely opened along the axial direction.
4. The thermocouple tightening device for detecting the temperature of the sample in the high-temperature furnace according to claim 1, characterized in that: the middle of the sleeve (5) is provided with a through hole through which a heating couple (6) penetrates, the axial section of the sleeve (5) is T-shaped, the transverse edge of the T-shaped sleeve is one end of the sleeve (5) and is positioned in the clamping sleeve seat (1), and the two ends of the elastic element are respectively abutted against the sliding sleeve (2) and the transverse edge of the T-shaped sleeve.
5. The thermocouple tightening device for detecting the temperature of the sample in the high-temperature furnace according to claim 1, characterized in that: the other end of the sleeve (5) is provided with a thread which is in threaded connection with the nut (3), and the thread is provided with an opening (8) along the axial direction.
6. The thermocouple tightening device for detecting the temperature of the sample in the high-temperature furnace according to claim 1, characterized in that: the end C of the thermocouple (6) is a measuring end which penetrates out of one end of the clamping sleeve seat (1) and penetrates into the high-temperature furnace; the magnitude of the jacking force of the contact part of the thermocouple (6) and the sample to be measured is adjusted by adjusting the sliding distance S1 of the elastic piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921792161.3U CN210464710U (en) | 2019-10-23 | 2019-10-23 | Thermocouple jacking device for detecting temperature of sample in high-temperature furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921792161.3U CN210464710U (en) | 2019-10-23 | 2019-10-23 | Thermocouple jacking device for detecting temperature of sample in high-temperature furnace |
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| Publication Number | Publication Date |
|---|---|
| CN210464710U true CN210464710U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921792161.3U Active CN210464710U (en) | 2019-10-23 | 2019-10-23 | Thermocouple jacking device for detecting temperature of sample in high-temperature furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116124823A (en) * | 2023-04-19 | 2023-05-16 | 中国科学技术大学 | Device and method for testing ignition parameters of double-layer material plate in thermal radiation field |
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2019
- 2019-10-23 CN CN201921792161.3U patent/CN210464710U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116124823A (en) * | 2023-04-19 | 2023-05-16 | 中国科学技术大学 | Device and method for testing ignition parameters of double-layer material plate in thermal radiation field |
| CN116124823B (en) * | 2023-04-19 | 2023-08-29 | 中国科学技术大学 | Device and method for testing ignition parameters of double-layer material plate in thermal radiation field |
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