CN210322084U - Deep hole wall temperature measuring device - Google Patents
Deep hole wall temperature measuring device Download PDFInfo
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- CN210322084U CN210322084U CN201921696731.9U CN201921696731U CN210322084U CN 210322084 U CN210322084 U CN 210322084U CN 201921696731 U CN201921696731 U CN 201921696731U CN 210322084 U CN210322084 U CN 210322084U
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- deep hole
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- hole wall
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Abstract
The utility model relates to a temperature measurement field discloses a deep hole pore wall temperature measuring device. The utility model discloses a deep hole pore wall temperature measuring device, including bracing piece, installation piece, reed, temperature probe and temperature measurement line, the bracing piece includes handheld end and measuring end, the installation piece is connected in the measuring end of bracing piece, reed one end is installed in the outer tip of installation piece, and the other end is used for connecting temperature probe, temperature probe's quantity is two at least and each temperature probe distributes along circumference, and each temperature probe is connected on the installation piece through the reed that corresponds respectively, temperature measurement line one end is connected respectively in the temperature probe that corresponds, and the other end extends to the measuring end of bracing piece, temperature probe is higher than installation piece and bracing piece in radial. The device can measure the temperature of the small-diameter hole wall with large length, the measuring position is accurate, the precision is high, the operation is simple and convenient, the measuring result is visual, and the requirement of deep hole temperature measurement is met.
Description
Technical Field
The utility model belongs to the technical field of the temperature measurement and specifically relates to a minor diameter deep hole pore wall temperature measuring device.
Background
The temperature measurement in the deep hole has great requirements on cutting, drilling, pipelines and the like. The deep hole temperature measurement is characterized in that the movable space of a measuring tool is limited, the operation and the adjustment are unchanged, and particularly, the measurement difficulty of small holes and deep holes is higher. Because the deep hole is generally a semi-closed environment, a large amount of heat can be generated due to work and other reasons in cutting, drilling, pipelines and the like, and along with the rise of temperature, a drill bit or other workpieces can be subjected to thermal deformation, so that a cutter moves away, the tool is subjected to thermal deformation and the like, even is damaged, the production efficiency is greatly reduced, and the service life is prolonged. At present, no good method exists for deep hole temperature measurement, but a common temperature measuring instrument cannot enter a hole to measure the temperature of any position of the inner wall of the deep hole due to small internal space and large length of the deep hole,
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a deep hole pore wall temperature measuring device is provided, realize the measurement of minor diameter deep hole pore wall temperature.
The utility model discloses a deep hole pore wall temperature measuring device, including bracing piece, installation piece, reed, temperature probe and temperature measurement line, the bracing piece includes handheld end and measuring end, the installation piece is connected in the measuring end of bracing piece, reed one end is installed in the outer tip of installation piece, and the other end is used for connecting temperature probe, temperature probe's quantity is two at least and each temperature probe distributes along circumference, and each temperature probe is connected on the installation piece through the reed that corresponds respectively, temperature measurement line one end is connected respectively in the temperature probe that corresponds, and the other end extends to the measuring end of bracing piece, temperature probe is higher than installation piece and bracing piece in radial.
Preferably, the lengths of the reeds along the axial direction are different, and the corresponding temperature probes are staggered from each other in the axial direction.
Preferably, the support rod is of tubular construction.
Preferably, the temperature sensing line is arranged within a support bar of the tubular structure.
Preferably, the support rod comprises at least two sections of pipe units, and the adjacent pipe units and the mounting block are connected through detachable connecting members.
Preferably, the detachable connecting component is a connecting pin, a length-adjustable structure is arranged at the part of the connecting pin, which is exposed out of the supporting rod, and the temperature measuring probe is higher than the connecting pin in the radial direction.
Preferably, the temperature measuring probe is 1-2 mm higher than the connecting pin in the radial direction.
Preferably, two nuts are arranged on a single temperature probe, and the reed is clamped between the two nuts so as to mount the temperature probe on the reed.
Preferably, the support rod is provided with a scale for measuring the depth of the temperature measuring position.
Preferably, the number of the temperature measuring probes is two, and the two temperature measuring probes are symmetrically distributed at an interval of 180 degrees.
The utility model has the advantages that: the device can measure the temperature of the small-diameter hole wall with large length, the measuring position is accurate, the precision is high, the operation is simple and convenient, the measuring result is visual, and the requirement of deep hole temperature measurement is met.
Drawings
FIG. 1 is a schematic view of the temperature measuring device of the present invention;
FIG. 2 is a schematic view of the measurement end of the thermometry device;
FIG. 3 is a side view of the thermometric device.
Reference numerals: the temperature measuring device comprises a nut 1, a reed 2, a temperature measuring probe 3, a temperature measuring wire 4, a bolt 5, an installation block 6, a connecting pin 7 and a support rod 8.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1-3, the utility model discloses a deep hole pore wall temperature measuring device, including bracing piece 8, installation piece 6, reed 2, temperature probe 3 and temperature measurement line 4, bracing piece 8 includes handheld end and measuring end, installation piece 6 is connected in the measuring end of bracing piece 8, the outer tip in installation piece 6 is installed to reed 2 one end, and the other end is used for connecting temperature probe 3, temperature probe 3's quantity is two at least and each temperature probe 3 distributes along circumference, and each temperature probe 3 connects on installation piece 6 through reed 2 that corresponds respectively, 4 one end of temperature measurement line are connected respectively in the temperature probe 3 that corresponds, and the other end extends to the measuring end of bracing piece 8, temperature probe 3 is higher than installation piece 6 and bracing piece 8 in radial.
When measuring the temperature, a measuring device with proper size is selected, and the diameter of the deep hole is required to be larger than the radial maximum length of the mounting block 6 and the supporting rod 8 and smaller than the radial maximum length of the whole formed by the temperature measuring probes 3. When in measurement, the hand-held end of the support rod 8 is held, the measuring end with the temperature measuring probe 3 extends into the measuring position of the deep hole, the temperature measuring probe 3 is compressed inwards under the action of the elastic sheet and is in good contact with the wall of the deep hole, the temperature of the inner wall of the deep hole is measured after the deep hole is kept still for a period of time, and the measuring result of the temperature measuring probe 3 is transmitted to an external device for collecting temperature data through the temperature measuring line 4. In order to further improve the result accuracy, the temperature of the hole wall at the specific position at the initial moment can be obtained by substituting the measurement result into an equation set according to calculation formulas such as heat conduction and heat convection. The temperature probes 3 are distributed along the circumferential direction, so that the temperature probes 3 can be matched with each other and can be better contacted with the inner wall of the deep hole, the number of the temperature probes 3 is set according to the requirement, in the embodiment shown in fig. 3, the number of the temperature probes 3 is two, and the two temperature probes 3 are symmetrically distributed at an interval of 180 degrees.
Because each temperature probe 3 can be inwards compressed when measuring, and the temperature probe 3 has a certain length, the temperature probes 3 can interfere with each other for a deep hole with a small aperture, for this reason, the lengths of the reeds 2 along the axial direction are unequal, and the corresponding temperature probes 3 are staggered with each other in the axial direction, so that the interference is reduced, and the space is saved.
The supporting rod 8 can be a solid rod, a section bar, a tubular structure and the like, wherein the tubular structure is optimal, and the temperature measuring line 4 can be arranged in the supporting rod 8 of the tubular structure to play a role in protecting the temperature measuring line 4. Because the depth of each hole is different, in order to strengthen the commonality of device, bracing piece 8 includes two section at least pipe units, all is connected through dismantling the connecting elements between the adjacent pipe unit and between pipe unit and the installation piece 6. In actual measurement, different numbers of pipe units can be selected according to the hole depth to be combined so as to be matched with the hole depth. In addition, scales can be arranged on the supporting rod 8, and the position of the measured pipe wall temperature can be accurately measured.
The detachable connecting component can adopt a screw, a sleeve lock, a bolt and the like, as shown in the embodiment shown in fig. 2, the detachable connecting component is a connecting pin 7, a length-adjustable structure is arranged at the position of the connecting pin 7, which is exposed out of the supporting rod 8, the temperature probe 3 is higher than the connecting pin 7 in the radial direction to ensure that the temperature probe is contacted with the hole wall, and as a preferable mode, the temperature probe 3 is higher than the connecting pin 7 in the radial direction by 1-2 mm, for example 1.5 mm. Besides the connection function, the connecting pin 7 can be matched with the hole wall to play a role in supporting and stabilizing, and the part of the pin, which is exposed out of the supporting rod 8, is provided with a length-adjustable structure, so that the length of the pin can be adjusted according to different pipe diameters. The length-adjustable structure can adopt various forms, such as sleeve sliding fit, realizes length adjustment by adjusting the overlapping length of two mutually sleeved rod pieces, and can also adopt thread adjustment, and the exposed length of the rod pieces can be adjusted by rotating a screw rod.
The connection relation between the temperature probe 3 and the reed 2 can adopt the existing installation form of the temperature probe 3, as shown in the embodiment shown in fig. 1, two nuts 1 are arranged on a single temperature probe 3, the reed 2 is clamped between the two nuts 1 so as to install the temperature probe 3 on the reed 2, and the reed 2 is connected with an installation block 6 through a bolt 5. By rotating the positions of the two nuts 1, the radial position of the temperature measuring probe 3 can be adjusted, so that the temperature measuring probe is better matched with the aperture.
The utility model discloses a deep hole inner wall temperature measuring device can be used to carry out temperature measurement to the deep hole inner wall of degree of depth more than 2000mm, diameter at 30-50mm, easy operation, and the measuring result is directly perceived.
Claims (10)
1. The deep hole wall temperature measuring device is characterized by comprising a supporting rod (8), a mounting block (6), a reed (2), a temperature measuring probe (3) and a temperature measuring line (4), the supporting rod (8) comprises a handheld end and a measuring end, the mounting block (6) is connected with the measuring end of the supporting rod (8), one end of the reed (2) is arranged at the outer end part of the mounting block (6), the other end is used for connecting the temperature measuring probe (3), the number of the temperature probes (3) is at least two, the temperature probes (3) are distributed along the circumferential direction, the temperature probes (3) are respectively connected to the mounting block (6) through corresponding reeds (2), one end of each temperature measuring line (4) is respectively connected with the corresponding temperature measuring probe (3), the other end extends to the measuring end of the supporting rod (8), the temperature measuring probe (3) is higher than the mounting block (6) and the supporting rod (8) in the radial direction.
2. The deep hole wall temperature measuring device of claim 1, wherein: the lengths of the reeds (2) along the axial direction are different, and the corresponding temperature measuring probes (3) are mutually staggered in the axial direction.
3. The deep hole wall temperature measuring device of claim 1, wherein: the support rod (8) is of a tubular structure.
4. The deep hole wall temperature measuring device of claim 3, wherein: the temperature measuring line (4) is arranged in a support rod (8) of the tubular structure.
5. The deep hole wall temperature measuring device of claim 3, wherein: the supporting rod (8) comprises at least two sections of pipe units, and the adjacent pipe units and the mounting block (6) are connected through detachable connecting components.
6. The deep hole wall temperature measuring device of claim 5, wherein: the detachable connecting component is a connecting pin (7), a length-adjustable structure is arranged at the part, exposed out of the supporting rod (8), of the connecting pin (7), and the temperature measuring probe (3) is higher than the connecting pin (7) in the radial direction.
7. The deep hole wall temperature measuring device of claim 6, wherein: the temperature measuring probe (3) is 1-2 mm higher than the connecting pin (7) in the radial direction.
8. The deep hole wall temperature measuring device of claim 1, wherein: two nuts (1) are arranged on a single temperature measuring probe (3), and the reed (2) is clamped between the two nuts (1) so that the temperature measuring probe (3) is installed on the reed (2).
9. The deep hole wall temperature measuring device of claim 1, wherein: the support rod (8) is provided with scales for measuring the depth of the temperature measuring position.
10. The deep hole wall temperature measuring device of claim 1, wherein: the number of the temperature measuring probes (3) is two, and the two temperature measuring probes (3) are symmetrically distributed at an interval of 180 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696731.9U CN210322084U (en) | 2019-10-11 | 2019-10-11 | Deep hole wall temperature measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921696731.9U CN210322084U (en) | 2019-10-11 | 2019-10-11 | Deep hole wall temperature measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN210322084U true CN210322084U (en) | 2020-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921696731.9U Active CN210322084U (en) | 2019-10-11 | 2019-10-11 | Deep hole wall temperature measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465761A (en) * | 2021-06-24 | 2021-10-01 | 中国原子能科学研究院 | Pipe inner wall temperature measuring device |
| CN114062426A (en) * | 2021-11-16 | 2022-02-18 | 中国电建集团贵阳勘测设计研究院有限公司 | Tunnel surrounding rock temperature gradient in-situ measurement system |
-
2019
- 2019-10-11 CN CN201921696731.9U patent/CN210322084U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465761A (en) * | 2021-06-24 | 2021-10-01 | 中国原子能科学研究院 | Pipe inner wall temperature measuring device |
| CN114062426A (en) * | 2021-11-16 | 2022-02-18 | 中国电建集团贵阳勘测设计研究院有限公司 | Tunnel surrounding rock temperature gradient in-situ measurement system |
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