CN220625542U - Telescopic double-needle thermocouple for detecting temperature of heating furnace liner - Google Patents
Telescopic double-needle thermocouple for detecting temperature of heating furnace liner Download PDFInfo
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- CN220625542U CN220625542U CN202420065270.XU CN202420065270U CN220625542U CN 220625542 U CN220625542 U CN 220625542U CN 202420065270 U CN202420065270 U CN 202420065270U CN 220625542 U CN220625542 U CN 220625542U
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- heating furnace
- temperature measuring
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 43
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 5
- 238000009529 body temperature measurement Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a telescopic double-needle thermocouple for detecting the temperature of a heating furnace liner, and relates to the technical field of heating furnaces. The utility model comprises a mounting plate, a protection pipe and a thermocouple temperature measuring rod, wherein two movable holes are formed in the upper part in the mounting plate, the protection pipe is movably connected in each movable hole, a limiting plate is fixed in the middle of the peripheral side of the protection pipe, the limiting plate is arranged in front of the mounting plate, a clamping frame is movably connected to the outer side of the limiting plate, the thermocouple temperature measuring rod is movably connected in the protection pipe, and a spring is movably connected to the peripheral side of the thermocouple temperature measuring rod in the protection pipe. According to the utility model, the mounting plate, the protection tube and the thermocouple temperature measuring rod are arranged, so that the problems that the thermocouple is inconvenient to replace when the double-needle thermocouple for detecting the temperature of the inner container of the heating furnace works, and the thermocouple is easy to damage due to the damage effects of bending and the like when the heating furnace shakes to drive the thermocouple to shake are solved.
Description
Technical Field
The utility model belongs to the technical field related to heating furnaces, and particularly relates to a telescopic double-needle thermocouple for detecting the temperature of a heating furnace liner.
Background
Thermocouples are commonly used temperature measuring elements in temperature measuring instruments, which directly measure temperature and convert temperature signals into thermoelectromotive signals, which are converted into the temperature of the medium to be measured by an electrical instrument (secondary instrument). The external shapes of various thermocouples are quite different according to the needs, but the basic structures of the thermocouples are almost the same, the thermocouples are usually composed of main parts such as a hot electrode, an insulating sleeve protection tube and a junction box, and the thermocouples are usually matched with a display instrument, a recording instrument and an electronic regulator for use, and when the inner container of a heating furnace is detected, the thermocouples are required to be abutted against the inner container, but the thermocouples still have the following defects in actual use:
1. when the double-needle type thermocouple for detecting the temperature of the heating furnace liner works, the double-needle type thermocouple is directly installed, when the thermocouple is installed, an installation disc is needed, the double-needle type thermocouple is matched with a screw hole through a bolt, threaded connection installation is carried out, more labor is needed during installation, when the thermocouple is damaged, and when the thermocouple needs to be replaced and installed in an emergency mode, the double-needle type thermocouple is slower in operation and inconvenient to use;
2. when the heating furnace inner container temperature detection double-needle type thermocouple works, the thermocouple needs to be attached to the heating furnace inner container, and when the heating furnace works and needs to be moved, the thermocouple can shake, damage effects such as thermocouple bending and the like are caused, and the thermocouple is easy to damage.
Disclosure of Invention
The utility model aims to provide a telescopic double-needle thermocouple for detecting the temperature of a heating furnace inner container, which solves the problems that the double-needle thermocouple for detecting the temperature of the heating furnace inner container is inconvenient to replace when working, and the thermocouple is easy to damage due to the damage effects such as bending and the like when the heating furnace shakes to drive the thermocouple to shake by arranging a mounting plate, a protection tube and a thermocouple temperature measuring rod.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the utility model relates to a telescopic double-needle thermocouple for detecting the temperature of a heating furnace liner, which comprises a mounting plate, a protection pipe and a thermocouple temperature measuring rod, wherein two movable holes are formed in the upper part in the mounting plate, the protection pipe is movably connected in each movable hole, a limiting plate is fixed in the middle of the periphery of the protection pipe, the limiting plate is arranged in front of the mounting plate, a clamping frame is movably connected to the outer side of the limiting plate, the thermocouple temperature measuring rod is movably connected in the protection pipe, a spring is movably connected to the periphery of the thermocouple temperature measuring rod in the protection pipe, the thermocouple temperature measuring rod is arranged on matched equipment of the heating furnace liner through the mounting plate during operation, the thermocouple temperature measuring rod is connected in the thermocouple temperature measuring rod through the protection pipe, and the thermocouple temperature measuring rod is arranged in the mounting plate during operation, and the outer surface of the heating furnace liner is insulated during operation through the thermocouple temperature measuring rod.
Further, the clamping frames are fixed on the front side of the mounting plate, the two clamping frames are respectively arranged on the outer sides of the two movable holes, the mounting holes are symmetrically formed in the inner lower portion of the mounting plate in a penetrating mode, and the limiting plates are limited when the clamping frames work.
Further, one end of keeping away from the mounting panel in the protection tube is fixed with fixed section of thick bamboo, the one end that fixed section of thick bamboo is close to the mounting panel is fixed with the backstop pipe, the backstop pipe is fixed on the protection tube inner wall, and the protection tube is when carrying out work, through fixed section of thick bamboo cooperation backstop pipe swing joint thermocouple temperature measuring rod.
Further, a movable sleeve is fixed at one end part of the protection tube far away from the fixed cylinder, a front baffle tube is fixed at one end of the movable sleeve close to the rear baffle tube, the front baffle tube is fixed on the inner wall of the protection tube, and when the protection tube works, the plug rod and the thermocouple temperature measuring rod are movably connected on the protection tube through the movable sleeve matched with the front baffle tube.
Further, the one end that the front fender pipe was kept away from to the movable sleeve is fixed with the terminal bar, the outside of terminal bar is fixed with the gram head, the gram head is fixed in the protection tube outside, and the movable sleeve is in the during operation, carries out wiring operation through terminal bar cooperation gram head.
Further, the common swing joint of thermocouple temperature measurement pole is in fixed barrel, backstop pipe and preceding fender intraductal, the one end that the spring is close to the backstop pipe is fixed with solid fixed ring, gu fixed ring fixes in the protection intraductal between backstop pipe and the preceding fender pipe, the one end that the fixed pipe was kept away from to the spring is fixed in the one end that the preceding fender pipe is close to the backstop pipe, the one end that the thermocouple temperature measurement pole is close to the preceding fender pipe is fixed with the spliced pole, spliced pole swing joint is in the movable sleeve for during operation, the thermocouple temperature measurement pole can well stablely butt on the heating furnace inner bag.
The utility model has the following beneficial effects:
1. according to the utility model, the mounting plate, the protection pipes and the thermocouple temperature measuring rod are arranged, so that the problem that the thermocouple is inconvenient to replace when the double-needle thermocouple for detecting the temperature of the liner of the heating furnace works is solved, the two protection pipes are selected, the thermocouple temperature measuring rod outside the protection pipes is inserted into the movable hole on the mounting plate until the protection pipes are inserted into the movable hole on the mounting plate, after the protection pipes are limited by the limiting plate, the protection pipes are rotated, the limiting plate is rotated into the clamping frame until the protection pipes are well limited, when the protection pipes are replaced, the protection pipes are rotated to be separated from the clamping frame, the thermocouple temperature measuring rod is pulled out, the mounting operation is repeated, and the thermocouple is more convenient to replace when the double-needle thermocouple is used.
2. According to the utility model, the protection pipe and the thermocouple temperature measuring rod are arranged, so that the problem that the thermocouple is easy to damage due to the fact that the thermocouple is easy to bend and the like when the heating furnace shakes to drive the thermocouple to shake when the heating furnace inner container is in operation is solved, the heating furnace inner container can shake in the process of conveying the heating furnace inner container, the thermocouple temperature measuring rod stretches and contracts in the protection pipe through the spring connected with the fixing ring in the shaking process, the thermocouple temperature measuring rod can be fully and tightly abutted on the heating furnace inner container under the action of the spring, and the stress is smaller when the thermocouple shakes, so that the thermocouple is better in stability and less in operation.
Drawings
FIG. 1 is a perspective view of a retractable double-needle thermocouple assembly structure for detecting the temperature of a heating furnace liner;
FIG. 2 is a perspective view of the mounting plate structure;
FIG. 3 is a perspective view of a protective tube structure;
FIG. 4 is a rear view of the protective tube;
fig. 5 is a perspective view of a thermocouple temperature measuring rod structure.
Reference numerals:
1. a mounting plate; 101. a movable hole; 102. a clamping frame; 103. a mounting hole; 2. a protective tube; 201. a limiting plate; 202. a fixed cylinder; 203. a rear baffle tube; 204. a front baffle tube; 205. a movable sleeve; 206. a wire rod; 207. a gram head; 3. a thermocouple temperature measuring rod; 301. a fixing ring; 302. a spring; 303. and (5) inserting a connecting rod.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Referring to fig. 1-5, the utility model discloses a telescopic double-needle thermocouple for detecting the temperature of a heating furnace liner, which comprises a mounting plate 1, a protection pipe 2 and a thermocouple temperature measuring rod 3, wherein two movable holes 101 are formed in the inner upper part of the mounting plate 1, the protection pipe 2 and the thermocouple temperature measuring rod 3 are connected onto the mounting plate 1 when the mounting plate works, so that the protection pipe 2 and the thermocouple temperature measuring rod 3 can be installed on the industrial heating furnace liner for measuring temperature, the mounting plate 1 is movably connected with the protection pipe 2 through the movable holes 101, each movable hole 101 is movably connected with the protection pipe 2, the thermocouple temperature measuring rod 3 is movably arranged in the protection pipe 2 for matching work, a limiting plate 201 is fixed in the middle of the periphery of the protection pipe 2, the limiting plate 201 is arranged in front of the mounting plate 1, a clamping frame 102 is movably connected to the outer side of the limiting plate 201, the limiting plate 201 is rotated into the clamping frame 102 when the thermocouple temperature measuring rod is in use, after the position is determined, the protection pipe 2 is installed on the mounting plate 1, the thermocouple temperature measuring rod 3 is movably connected into the inner periphery of the protection pipe 2, the corresponding heating furnace liner is subjected to measuring temperature through the thermocouple temperature measuring rod 3, the thermocouple temperature measuring rod 3 is movably connected with a spring 302 on the periphery of the inner periphery of the protection pipe 2, and the thermocouple temperature measuring rod is always connected with the thermocouple temperature measuring rod 302 on the periphery of the heating furnace liner through the thermocouple temperature measuring rod 302.
As shown in fig. 1 and 2, the clamping frame 102 is fixed on the front side of the mounting plate 1, two clamping frames 102 are respectively arranged on the outer sides of two movable holes 101, mounting holes 103 are symmetrically formed in the inner lower portion of the mounting plate 1 in a penetrating mode, and the clamping frames 102 are fixed on the mounting plate 1 when in operation, so that the protection tube 2 can be conveniently mounted on the mounting plate 1, and can be movably connected with mounting bolts through the mounting holes 103, and then screwed into corresponding matched equipment of the heating furnace liner to complete mounting of the mounting plate 1.
As shown in fig. 1-4, a fixing tube 202 is fixed at one end of the protection tube 2 far away from the mounting plate 1, a backstop tube 203 is fixed at one end of the fixing tube 202 close to the mounting plate 1, the backstop tube 203 is fixed on the inner wall of the protection tube 2, and the protection tube 2 is connected with the backstop tube 203 through the cooperation of the fixing tube 202 when working, and the position of the fixing ring 301 is limited through the backstop tube 203.
As shown in fig. 1-4, a movable sleeve 205 is fixed at an end portion of the protection tube 2 far away from the fixed tube 202, a front baffle tube 204 is fixed at an end of the movable sleeve 205 near the rear baffle tube 203, the front baffle tube 204 is fixed on an inner wall of the protection tube 2, a spring 302 is connected through the front baffle tube 204, and a plug-in rod 303 is movably connected through the movable sleeve 205, so that the thermocouple temperature measuring rod 3 is electrically connected with the wiring rod 206.
As shown in fig. 1-4, a terminal rod 206 is fixed at one end of the movable sleeve 205 far away from the front baffle tube 204, a gram head 207 is fixed at the outer side of the terminal rod 206, the gram head 207 is fixed at the outer side of the protective tube 2, and when the movable sleeve 205 works, an external electricity connection function is provided through the terminal rod 206, and a connection function of the terminal rod 206 and an external electricity connection component is provided through the gram head 207.
As shown in fig. 1-5, the thermocouple temperature measuring rod 3 is movably connected in the fixed cylinder 202, the rear baffle tube 203 and the front baffle tube 204, one end of the spring 302, which is close to the rear baffle tube 203, is fixed with a fixed ring 301, the fixed ring 301 is fixed on the circumference side of the thermocouple temperature measuring tube, the fixed ring 301 is movably connected in the protection tube 2 between the rear baffle tube 203 and the front baffle tube 204, one end of the spring 302, which is far away from the fixed tube, is fixed on one end of the front baffle tube 204, which is close to the rear baffle tube 203, the end of the thermocouple temperature measuring rod 3, which is close to the front baffle tube 204, is fixed with a plugging rod 303, the plugging rod 303 is movably connected in the movable sleeve 205, and when the thermocouple temperature measuring rod 3 works, the spring 302 is fixed through the fixed ring 301, and the thermocouple temperature measuring rod 3 can be stably abutted on the heating furnace liner through the spring 302.
The specific working principle of the utility model is as follows: during operation, firstly, two protection pipes 2 are selected, the thermocouple temperature measuring rod 3 on the outer side of the protection pipes 2 is inserted into the movable hole 101 on the mounting plate 1 until the protection pipes 2 are inserted into the movable hole 101 on the mounting plate 1, after being limited by the limiting plate 201, the protection pipes 2 are rotated, the limiting plate 201 is enabled to rotate into the clamping frame 102 until the protection pipes 2 are mounted after being limited, at the moment, the thermocouple temperature measuring rod 3 is abutted on the inner container of the industrial heating furnace, then the connection effect of the wiring rod 206 and the external power connection assembly is provided through the gram head 207, the power connection effect is carried out, the inner container of the heating furnace can shake in the process of conveying the inner container of the heating furnace, and in the shaking process, the thermocouple temperature measuring rod 3 stretches out and draws back in the protection pipes 2 through the spring 302, so that the thermocouple temperature measuring rod 3 can be fully abutted on the inner container of the heating furnace, and the stress in the shaking process is smaller.
The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.
Claims (6)
1. A scalable double needle type thermocouple for detecting heating furnace inner bag temperature, including mounting panel (1), protection tube (2) and thermocouple temperature measuring rod (3), its characterized in that: two movable holes (101) are formed in the inner upper portion of the mounting plate (1), each movable hole (101) is internally and movably connected with a protection tube (2), a limiting plate (201) is fixed in the middle of the periphery of the protection tube (2), the limiting plate (201) is arranged in front of the mounting plate (1), a clamping frame (102) is movably connected to the outer side of the limiting plate (201), a thermocouple temperature measuring rod (3) is movably connected to the inside of the protection tube (2), and a spring (302) is movably connected to the periphery of the thermocouple temperature measuring rod (3) in the protection tube (2).
2. A retractable double needle thermocouple for detecting the temperature of a heating furnace liner according to claim 1, wherein: the clamping frames (102) are fixed on the front side of the mounting plate (1), the two clamping frames (102) are respectively arranged on the outer sides of the two movable holes (101), and the mounting holes (103) are symmetrically formed in the inner lower portion of the mounting plate (1) in a penetrating mode.
3. A retractable double needle thermocouple for detecting the temperature of a heating furnace liner according to claim 1, wherein: one end, far away from mounting panel (1), in protection tube (2) is fixed with fixed section of thick bamboo (202), one end, close to mounting panel (1), of fixed section of thick bamboo (202) is fixed with backstop pipe (203), backstop pipe (203) are fixed on protection tube (2) inner wall.
4. A retractable double needle thermocouple for detecting the temperature of a heating furnace liner according to claim 3, wherein: a movable sleeve (205) is fixed at one end part, far away from the fixed cylinder (202), of the protection tube (2), a front baffle tube (204) is fixed at one end, close to the rear baffle tube (203), of the movable sleeve (205), and the front baffle tube (204) is fixed on the inner wall of the protection tube (2).
5. The retractable double-needle thermocouple for detecting the temperature of a heating furnace liner according to claim 4, wherein: one end of the movable sleeve (205) far away from the front baffle tube (204) is fixed with a wiring rod (206), the outer side of the wiring rod (206) is fixed with a gram head (207), and the gram head (207) is fixed on the outer side of the protective tube (2).
6. The retractable double-needle thermocouple for detecting the temperature of a heating furnace liner according to claim 5, wherein: the thermocouple temperature measuring rod (3) is jointly movably connected in the fixed cylinder (202), the rear baffle tube (203) and the front baffle tube (204), one end of the spring (302) close to the rear baffle tube (203) is fixed with a fixed ring (301), the fixed ring (301) is fixed on the circumference side of the thermocouple temperature measuring tube, the fixed ring (301) is movably connected in the protection tube (2) between the rear baffle tube (203) and the front baffle tube (204), one end of the spring (302) far away from the fixed tube is fixed at one end of the front baffle tube (204) close to the rear baffle tube (203), one end of the thermocouple temperature measuring rod (3) close to the front baffle tube (204) is fixed with a plug rod (303), and the plug rod (303) is movably connected in the movable sleeve (205).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420065270.XU CN220625542U (en) | 2024-01-11 | 2024-01-11 | Telescopic double-needle thermocouple for detecting temperature of heating furnace liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420065270.XU CN220625542U (en) | 2024-01-11 | 2024-01-11 | Telescopic double-needle thermocouple for detecting temperature of heating furnace liner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220625542U true CN220625542U (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420065270.XU Active CN220625542U (en) | 2024-01-11 | 2024-01-11 | Telescopic double-needle thermocouple for detecting temperature of heating furnace liner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220625542U (en) |
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- 2024-01-11 CN CN202420065270.XU patent/CN220625542U/en active Active
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