Portable thermocouple verification furnace temperature field test support
By introducing a storageable design and clamping structure into the thermocouple verification furnace bracket, the problem of poor portability of the bracket in the prior art is solved, and the portability of the bracket is improved and the stable support of the thermocouple junction box is achieved.
Patent Information
- Application Number
- CN202421028209.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-11
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-05-11
AI Technical Summary
The existing thermocouple verification furnace bracket cannot be stored, resulting in poor portability and difficult to carry easily during the transfer process.
A portable thermocouple verification furnace temperature field test bracket is designed. By introducing rotatable screw rod, worm gear, worm and knob structure into the bracket, combining the lift rod and slider, the storage and clamping function of the clamp is realized, so that the bracket is made It can be stored in a square box shape for easy portability.
It improves the portability of the bracket, while ensuring stable support of the thermocouple junction box, avoiding thermocouple bending, and enhancing the stability of the support.
Smart Images
Figure CN222212023U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermocouple brackets, in particular to a portable thermocouple calibration furnace temperature field test bracket. Background Art
[0002] Thermocouple calibration furnace is a commonly used constant temperature equipment, used to calibrate the temperature field of thermocouples. When conducting temperature field test, the measuring end of the thermocouple is inserted into the furnace, and the junction box on the thermocouple is often in a naturally hanging state. In order to avoid bending of the thermocouple, a bracket is needed to support the junction box on the thermocouple.
[0003] The bracket is usually made of metal material, has certain stability and high temperature resistance, supports and fixes the thermocouple, and includes a clamping device: used to clamp the thermocouple sensor to ensure its stable position. The thermocouple sensor to be tested is installed on the bracket. The clamping plate in the clamping device clamps and fixes the thermocouple junction box, thereby supporting and fixing the thermocouple.
[0004] The existing bracket supports the thermocouple for the temperature field test of the calibration furnace to prevent the thermocouple from bending. Since the bracket cannot be stored, it is not convenient to carry during the move, resulting in poor portability of the bracket. Therefore, a portable thermocouple calibration furnace temperature field test bracket is proposed to address the above problem. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model proposes a portable thermocouple calibration furnace temperature field test bracket.
[0006] The technical solution adopted by the utility model to solve its technical problems is: the portable temperature field test bracket of the thermocouple calibration furnace described in the utility model comprises a base, a box body is placed on the base, a handle is installed on the outer wall of the box body, a first screw is rotatably installed on the inner wall of the box body, a worm is sleeved on the first screw, a worm is rotatably installed on the inner wall of the box body, the worm is meshed with the worm wheel, a first knob is welded on the worm, a lifting rod is sleeved on the first screw, a thread is opened on the lifting rod and slides with the first screw through the thread, a lifting plate is installed on the lifting rod, and the lifting Two groups of connecting plates are symmetrically installed on the bottom side of the plate, and two groups of connecting grooves are symmetrically opened on the inner wall of the box body. Connecting blocks are installed in the connecting grooves, and the connecting blocks are fixedly connected to the connecting plates. By flipping the two groups of splints downward, the two groups of splints are stored in the square grooves, and then the second knob is turned, the two groups of splints move synchronously relative to each other until the two groups of splints are clamped, thereby achieving the locking of the two groups of splints; then the first knob is rotated in the opposite direction, and the lifting rod drives the lifting plate to move vertically downward until the lifting rod contacts the box body. At this time, the bracket is stored into a square box, and the handle is lifted to directly carry and move the bracket, which is beneficial to improving the portability of the bracket.
[0007] Preferably, a square groove is provided on the lifting plate, a slide groove is provided on the lifting plate, a second screw rod is rotatably installed between the inner walls of the slide groove, the thread directions on the second screw rod are symmetrically opposite, a second knob is welded on one end of the second screw rod, two groups of sliders are symmetrically assembled in the slide groove, a sliding plate is installed on the slider, a clamping plate is rotatably installed on the sliding plate, a limit plate is fixedly installed on the sliding plate, a calibration furnace is placed on the base, a furnace chamber is provided in the calibration furnace, a thermocouple is placed in the furnace chamber, and a The junction box is formed by placing the base under the junction box, and the first screw rod rotates to drive the lifting rod thereon to move vertically upward, and the lifting rod drives the lifting plate to move vertically upward until the lifting rod contacts the junction box on the thermocouple, and then the second screw rod rotates to drive the two groups of sliders thereon to move synchronously relative to each other, and the two groups of sliders drive the two groups of sliding plates to move synchronously relative to each other, and the two groups of sliding plates drive the two groups of clamping plates to move synchronously relative to each other, and the two groups of clamping plates clamp and fix the junction box, thereby achieving stable support for the junction box, avoiding bending of the thermocouple, and helping to improve the stability of the support.
[0008] The utility model is beneficial in that:
[0009] 1. The utility model achieves locking of the two groups of splints by flipping the two groups of splints downward and storing them in the square grooves, and then turning the second knob so that the two groups of splints move relatively synchronously until the two groups of splints are clamped; then the first knob is turned in the opposite direction, and the lifting rod drives the lifting plate to move vertically downward until the lifting rod contacts the box body. At this time, the bracket is stored into a square box, and the handle is lifted to directly carry and move the bracket, which is beneficial to improving the portability of the bracket.
[0010] 2. The utility model places the base below the junction box, and the first screw rotates to drive the lifting rod thereon to move vertically upward, and the lifting rod drives the lifting plate to move vertically upward until the lifting rod contacts the junction box on the thermocouple, and then the second screw rotates to drive the two groups of sliders thereon to move synchronously relative to each other, the two groups of sliders drive the two groups of sliding plates to move synchronously relative to each other, the two groups of sliding plates drive the two groups of clamping plates to move synchronously relative to each other, and the two groups of clamping plates clamp and fix the junction box, thereby achieving stable support for the junction box, avoiding bending of the thermocouple, and helping to improve the stability of the support. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;
[0013] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the box;
[0014] Figure 3 It is a schematic diagram of the three-dimensional structure of the lifting plate;
[0015] Figure 4 It is a schematic diagram of the three-dimensional structure of the bracket.
[0016] In the figure: 1. base; 2. box body; 3. handle; 4. first screw; 5. worm gear; 6. worm; 7. first knob; 8. lifting rod; 9. lifting plate; 10. connecting plate; 11. connecting groove; 12. connecting block; 13. square groove; 14. slide groove; 15. second screw; 16. second knob; 17. slider; 18. sliding plate; 19. clamping plate; 20. limit plate; 21. calibration furnace; 22. furnace; 23. thermocouple; 24. junction box. DETAILED DESCRIPTION
[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0018] See also Figure 1-4 As shown, a portable thermocouple calibration furnace temperature field test bracket includes a base 1, a box body 2 is placed on the base 1, a handle 3 is installed on the outer wall of the box body 2, a first screw rod 4 is rotatably installed on the inner wall of the box body 2, a worm wheel 5 is sleeved on the first screw rod 4, a worm 6 is rotatably installed on the inner wall of the box body 2, the worm 6 is meshed with the worm wheel 5, a first knob 7 is welded on the worm 6, a lifting rod 8 is sleeved on the first screw rod 4, a thread is opened on the lifting rod 8 and the lifting rod 8 slides with the first screw rod 4 through the thread, a lifting plate 9 is installed on the lifting rod 8, and two groups of connecting plates 10 are symmetrically installed on the bottom side of the lifting plate 9. Two groups of connecting grooves 11 are symmetrically provided on the inner wall of the box body 2, and connecting blocks 12 are installed in the connecting grooves 11. The connecting blocks 12 are fixedly connected to the connecting plate 10. A square groove 13 is provided on the lifting plate 9, and a slide groove 14 is provided on the lifting plate 9. A second screw rod 15 is rotatably installed between the inner walls of the slide groove 14. The thread directions on the second screw rod 15 are symmetrically opposite. A second knob 16 is welded to one end of the second screw rod 15. Two groups of sliders 17 are symmetrically installed in the slide groove 14. A sliding plate 18 is installed on the slider 17. A clamping plate 19 is rotatably installed on the sliding plate 18. A limit plate is fixedly installed on the sliding plate 18. 20, a calibration furnace 21 is placed on the base 1, a furnace 22 is opened in the calibration furnace 21, a thermocouple 23 is placed in the furnace 22, and a junction box 24 is installed on the thermocouple 23; when working, the existing bracket supports the thermocouple 23 for temperature field test of the calibration furnace 21 to prevent the thermocouple 23 from bending. Since the bracket cannot be stored, it is not convenient to carry during the moving process, resulting in poor portability of the bracket. By placing the thermocouple 23 in the furnace 22 of the calibration furnace 21 for temperature test, the junction box 24 on the thermocouple 23 is self-supporting without support. In the state of being drooped, the base 1 is placed under the junction box 24, and the two groups of clamps 19 are turned over. Under the obstruction of the limit plate 20, the clamp 19 can only be turned over 90°. At this time, the clamp 19 is in a vertical state, and the first knob 7 is turned to drive the worm 6 to rotate, and the worm 6 drives the worm wheel 5 to rotate. The structure of the worm 6 and the worm wheel 5 is self-locking, and the worm wheel 5 drives the first screw 4 to rotate, and the first screw 4 drives the lifting rod 8 thereon to move vertically upward, and the lifting rod 8 drives the lifting plate 9 to move vertically upward until the lifting rod 8 contacts the junction box 24 on the thermocouple 23, thereby achieving support for the junction box 24;
[0019] Then, the second knob 16 is rotated to drive the second screw rod 15 to rotate, and the second screw rod 15 drives the two sets of sliders 17 thereon to move relative to each other synchronously, and the two sets of sliders 17 drive the two sets of sliding plates 18 to move relative to each other synchronously, and the two sets of sliding plates 18 drive the two sets of clamping plates 19 to move relative to each other synchronously, and the two sets of clamping plates 19 clamp and fix the junction box 24, thereby achieving stable support for the junction box 24 and preventing the thermocouple 23 from bending;
[0020] During the storage process, first rotate the second knob 16 in the opposite direction to separate the two groups of splints 19, then flip the two groups of splints 19 downward, and store the two groups of splints 19 into the square groove 13, then rotate the second knob 16, the two groups of sliders 17 drive the two groups of sliding plates 18 to move relative to each other synchronously, and the two groups of sliding plates 18 drive the two groups of splints 19 to move relative to each other synchronously, until the two groups of splints 19 are attached to each other, at which time the two groups of splints 19 are clamped, thereby achieving the locking of the two groups of splints 19; then rotate the first knob 7 in the opposite direction, the lifting rod 8 drives the lifting plate 9 to move vertically downward until the lifting rod 8 contacts the box body 2, at which time the bracket is stored into a square box, and the handle 3 is lifted, the bracket can be directly carried and moved, which is conducive to improving the portability of the bracket.
[0021] Working principle: the existing bracket supports the thermocouple 23 for the temperature field test of the calibration furnace 21 to prevent the thermocouple 23 from bending. Since the bracket cannot be stored, it is not convenient to carry during the move, resulting in poor portability of the bracket. By placing the thermocouple 23 in the furnace 22 of the calibration furnace 21 for temperature testing, the junction box 24 on the thermocouple 23 is in a naturally hanging state without support, the base 1 is placed under the junction box 24, the two sets of clamps 19 are turned over, and the base 1 is placed under the limit plate 20. , the splint 19 can only be flipped 90°, at this time the splint 19 is in a vertical state, turn the first knob 7 to drive the worm 6 to rotate, the worm 6 drives the worm wheel 5 to rotate, the worm 6 and the worm wheel 5 have a self-locking structure, the worm wheel 5 drives the first screw 4 to rotate, the first screw 4 drives the lifting rod 8 thereon to move vertically upward, the lifting rod 8 drives the lifting plate 9 to move vertically upward until the lifting rod 8 contacts the junction box 24 on the thermocouple 23, thereby supporting the junction box 24; then turn the second knob 16 to drive the second screw 15 to rotate, The second screw rod 15 drives the two sets of sliders 17 thereon to move relative to each other synchronously, and the two sets of sliders 17 drive the two sets of sliding plates 18 to move relative to each other synchronously, and the two sets of sliding plates 18 drive the two sets of clamping plates 19 to move relative to each other synchronously, and the two sets of clamping plates 19 clamp and fix the junction box 24, thereby achieving stable support for the junction box 24 and preventing the thermocouple 23 from bending. During the storage process, the second knob 16 is first rotated in the opposite direction to separate the two sets of clamping plates 19, and then the two sets of clamping plates 19 are flipped downward, and the two sets of clamping plates 19 are stored in the square groove 13. Then, the second knob 16 is turned, and the two groups of sliders 17 drive the two groups of sliding plates 18 to move synchronously relative to each other, and the two groups of sliding plates 18 drive the two groups of clamping plates 19 to move synchronously relative to each other, until the two groups of clamping plates 19 are in contact with each other. At this time, the two groups of clamping plates 19 are clamped, thereby achieving the locking of the two groups of clamping plates 19; then, the first knob 7 is turned in the opposite direction, and the lifting rod 8 drives the lifting plate 9 to move vertically downward until the lifting rod 8 contacts the box body 2. At this time, the bracket is stored into a square box, and the handle 3 is lifted, so that the bracket can be directly carried and moved, which is conducive to improving the portability of the bracket.
[0022] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A portable thermocouple calibration furnace temperature field test bracket, characterized in that: The invention comprises a base (1), a box body (2) is placed on the base (1), a handle (3) is installed on the outer wall of the box body (2), a first screw rod (4) is rotatably installed on the inner wall of the box body (2), a worm wheel (5) is sleeved on the first screw rod (4), a worm (6) is rotatably installed on the inner wall of the box body (2), the worm (6) is meshed with the worm wheel (5), a first knob (7) is welded on the worm (6), and the first screw rod (4) is sleeved on the first screw rod (4). A lifting rod (8) is provided, the lifting rod (8) is provided with a thread and slides with the first screw rod (4) through the thread, a lifting plate (9) is installed on the lifting rod (8), two groups of connecting plates (10) are symmetrically installed on the bottom side of the lifting plate (9), two groups of connecting grooves (11) are symmetrically provided on the inner wall of the box body (2), and connecting blocks (12) are installed in the connecting grooves (11), and the connecting blocks (12) are fixedly connected to the connecting plates (10).
2. A portable thermocouple calibration furnace temperature field test stand according to claim 1, characterized in that: The lifting plate (9) is provided with a square groove (13), the lifting plate (9) is provided with a slide groove (14), and a second screw rod (15) is rotatably installed between the inner walls of the slide groove (14).
3. A portable thermocouple calibration furnace temperature field test stand according to claim 2, characterized in that: The threads on the second screw rod (15) are symmetrically opposite in direction, and a second knob (16) is welded to one end of the second screw rod (15).
4. A portable thermocouple calibration furnace temperature field test stand according to claim 2, characterized in that: Two groups of sliding blocks (17) are symmetrically mounted in the sliding groove (14), and a sliding plate (18) is mounted on the sliding blocks (17).
5. A portable thermocouple calibration furnace temperature field test stand according to claim 4, characterized in that: A clamping plate (19) is rotatably mounted on the sliding plate (18), and a limiting plate (20) is fixedly mounted on the sliding plate (18).
6. The portable thermocouple calibration furnace temperature field test bracket according to claim 1, characterized in that: A calibration furnace (21) is placed on the base (1), a furnace (22) is provided in the calibration furnace (21), a thermocouple (23) is placed in the furnace (22), and a junction box (24) is installed on the thermocouple (23).