CN117007419B - Cable thermal extension test equipment and test fixture - Google Patents
Cable thermal extension test equipment and test fixture Download PDFInfo
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- CN117007419B CN117007419B CN202311250940.1A CN202311250940A CN117007419B CN 117007419 B CN117007419 B CN 117007419B CN 202311250940 A CN202311250940 A CN 202311250940A CN 117007419 B CN117007419 B CN 117007419B
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- 238000012360 testing method Methods 0.000 title claims abstract description 48
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 66
- 238000005096 rolling process Methods 0.000 claims abstract description 39
- 230000001360 synchronised effect Effects 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000001680 brushing effect Effects 0.000 claims description 12
- 238000009413 insulation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 7
- 229920001971 elastomer Polymers 0.000 abstract description 8
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract description 7
- 239000011737 fluorine Substances 0.000 abstract description 7
- 229910052731 fluorine Inorganic materials 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000004140 cleaning Methods 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/28—Investigating ductility, e.g. suitability of sheet metal for deep-drawing or spinning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention relates to a cable thermal extension test device and a test fixture, wherein the test device comprises a clamping plate, a disassembly block is connected in a rolling manner in the lower end of the clamping plate, a disassembly limit column is fixedly arranged on the side wall of the disassembly block, a fluorine rubber pad is meshed with the outer wall of the disassembly limit column, the fluorine rubber pad is attached to the side wall of the clamping plate, and the fluorine rubber pad is used for protecting and clamping articles to deform; according to the invention, the fluororubber pad can be conveniently detached when the detachable plate is used, the fluororubber pad can be detached when the detachable plate is used through the first limiting rod, the detachable plate is directly detached at high temperature, the problem that the fluororubber pad is difficult to install again after being possibly adhered to the upper end of the clamping plate after being cooled is solved, and the fluororubber pad is replaced through the rolling ring, so that the fluororubber pad is conveniently replaced, and the next detection can be rapidly carried out.
Description
Technical Field
The invention relates to the technical field of thermal extension tests, in particular to a cable thermal extension test device and a test clamp.
Background
The cable generally comprises a conductor and an insulating layer, and is installed outdoors when in use, after ultraviolet irradiation, the cable is easy to deform and stretch, and the cable after deformation and stretching can cause a series of factors such as electric quantity loss and fire, so that the performance of the cable is improved, the problem that the cable is influenced by environmental factors is solved, and a thermal extension test is needed to be carried out on the cable.
One patent application with publication number CN113109167a discloses an automatic cable thermal extension testing machine, an oven, a clamp, an electromagnetic knife, an image acquisition device and a controller, wherein the clamp and the electromagnetic knife are positioned in the oven, a tester fixes a tested cable on the clamp during testing, then puts the clamp into the oven, after the oven is heated for a preset time, the controller opens the oven door of the oven, and at the moment, the image acquisition device can acquire the gauge length elongation of the tested cable.
Although the device can perform a thermal extension test on a cable, after the cable is clamped by the clamp in the cable test process, the clamp may be broken due to incomplete breakage caused by overlarge pressure, so that the high-temperature-resistant fluororubber can be used to slow down the problem in the clamping process, the fluororubber is worn out and loses the effect of clamping and slowing down in the prior art, the temperature of the clamp is too high due to the high temperature in the box, the rubber may be directly melted on the surface of the clamp if the clamp is cooled down for replacement, the clamp is directly taken, the risk of scalding is caused, the disassembly is extremely inconvenient, and the thermal extension of the cable requires multiple tests and batch tests, and the time for waiting for cooling is relatively long.
Disclosure of Invention
In order to solve the technical problems, the invention provides a cable hot-rolling test fixture which comprises a clamping plate, a fixture hanging block and an extending block, wherein the fixture hanging block and the extending block are matched with the clamping plate for use; the fixture is characterized in that a hanging limiting block is fixedly arranged at the lower end of the fixture hanging block, the clamping plate is hung on the outer wall of the limiting block, a sliding bar is fixedly arranged on the inner wall of the extending block, two first adjusting blocks are slidably arranged on the outer wall of the sliding bar, a first fixing block is fixedly arranged at the end part of each first adjusting block, a first power shaft is rotatably arranged in each first adjusting block, a second rotating gear is arranged on the outer wall of the end part of each first power shaft, a second fixing block is fixedly arranged on the side wall of each first fixing block, a third rotating gear is rotatably arranged in the inner wall of each second fixing block, a disassembling plate is fixedly arranged on the outer wall of the end part of each third rotating gear, and the second rotating gear is used for driving the third rotating gear to rotate.
The utility model provides a cable hot extension test equipment, this equipment has adopted above-mentioned cable hot extension test fixture, including the box, the lateral wall fixed mounting of box has the electric cabinet, the front end of box is provided with the closed door, the rear end fixed mounting of box has the extension piece, the inside fixed mounting of box has the anchor clamps to hang the piece, the outer wall of slider is provided with adjusting device, adjusting device includes the driven lever of rolling installation in first fixed block inside, the outer wall fixed mounting of driven lever has driven gear, the tip fixed mounting of driven lever has the change piece, the outer wall fixed mounting of change piece has a plurality of first gag lever posts, the inside rolling connection of first fixed block has first rotary gear, first rotary gear slidable mounting is at the outer wall of first power shaft.
In one embodiment of the invention, two gear protrusions are fixedly arranged on the outer wall of the first power shaft, a gear groove is formed in the first rotary gear, and the gear protrusions slide on the inner wall of the gear groove.
In one embodiment of the invention, the side walls of the two first adjusting blocks are fixedly provided with first gear blocks, the interiors of the two first adjusting blocks are slidably provided with rolling ring limiting rods, the end parts of the rolling ring limiting rods are fixedly provided with rolling rings, the interiors of the rolling rings are rollingly provided with synchronous limiting rods, and the end parts of the synchronous limiting rods are meshed with the first gear blocks.
In one embodiment of the invention, a brushing column is fixedly arranged on the synchronous limiting rod far away from one end of the first gear block, a second rolling rod is arranged on the outer wall of the synchronous limiting rod near one end of the brushing column in a rolling way, and the end parts of the second rolling rod are connected with the end parts of the two driven rods in a rolling way.
In one embodiment of the invention, a rotating shaft is fixedly arranged on the inner wall of the box body close to the upper end of the extension block, a heat insulation block is fixedly arranged on the side wall of the rotating shaft, and the inner part of the box body needs to be in a closed state when the inner part of the box body works and the electric cabinet detects, so that when the inner part of the box body works, the first adjusting block is pulled back, then the heat insulation block is pulled back, the rotating shaft is driven to rotate by the heat insulation block, and when the rotating shaft is in a vertical or horizontal state, the rotating shaft has a force for keeping the horizontal and vertical states, so that the heat insulation block is driven to be meshed with the inner part of the box body, and the inner part of the box body is in a sealed state.
In one embodiment of the invention, two second limiting sliding grooves are formed in the outer wall of the first power shaft, a first protruding block is fixedly arranged on the side wall of the first adjusting block close to the upper end of each second limiting sliding groove, a protruding fixing block is fixedly arranged at the top end of each first protruding block, a second limiting rod is connected inside each protruding fixing block in a sliding mode, a third limiting plate is fixedly arranged at the lower end of each second limiting rod, the third limiting plates slide on the inner wall of each first protruding block, and the outer wall of the bottom end of each third limiting plate can be meshed with the inner wall of each second limiting sliding groove.
In one embodiment of the invention, the outer wall of the box body close to the top end of the extension block is provided with transparent glass, the transparent glass is used for observing the condition inside the box body, and the inner wall of the extension block far away from the box body is provided with heat insulation cloth which is used for blocking heat inside the box body.
In one embodiment of the invention, the upper end of the clamping plate is provided with a clamp transmission structure, the clamp transmission structure comprises a mounting rod which is slidably arranged inside the top ends of the two clamping plates, a fixed sliding block is slidably arranged inside the mounting rod, the centers of the top ends of the two clamping plates are internally connected with a clamping threaded rod in a threaded manner, the inner wall of the clamping plate is fixedly provided with a first spring, and the fixed sliding block is used for mounting the clamping plate on the outer wall of the hanging limiting block.
In one embodiment of the invention, a handle is fixedly arranged on the outer wall of the end part of the first power shaft far away from one end of the first fixed block, a protrusion for preventing the fluororubber pad from falling off is arranged on the outer wall of the handle, and a collecting plate is slidably arranged at the bottom end of the second fixed block.
Compared with the prior art, the technical scheme of the invention has the following advantages:
1. according to the cable thermal extension test equipment and the test fixture, the fluororubber pad can be conveniently detached when the cable thermal extension test equipment is used through the detaching plate, the fluororubber pad can be detached when the cable thermal extension test equipment is used through the first limiting rod, the fluororubber pad can be directly detached when the cable thermal extension test fixture is high in temperature, the problem that the fluororubber pad is difficult to install again after being possibly adhered to the upper end of the clamping plate after being cooled is solved, long-time waiting is not needed, the fluororubber pad is replaced through the rolling ring, and therefore the fluororubber pad can be conveniently replaced, and the cable thermal extension test equipment can rapidly enter next detection.
2. According to the cable thermal extension test equipment and the test fixture, when the cable thermal extension test equipment and the test fixture are used, the inner wall of the clamping plate can be cleaned and the fluororubber pad can be replaced by operating the first adjusting block, so that the volume is small, the impact of heat in the box body on people is reduced, and the safety is improved.
Drawings
In order that the invention may be more readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings.
FIG. 1 is an overall exterior view of the present invention;
FIG. 2 is a rear elevational view of the overall appearance of the present invention;
FIG. 3 is a front view of the internal structure of the present invention;
FIG. 4 is an oblique view of the internal structure of the present invention;
FIG. 5 is a side view of the internal structure of the present invention;
FIG. 6 is an expanded view of the internal structure of the present invention;
FIG. 7 is a block diagram of the end of the present invention;
FIG. 8 is an expanded view of the transmission structure of the present invention;
FIG. 9 is a cut-away view of the interior of the power lever of the present invention;
FIG. 10 is a view of a spacing device of the present invention;
description of the specification reference numerals: 1. a case; 11. an electric control box; 12. closing the door; 13. an extension block; 14. transparent glass; 15. a heat insulating block; 151. a heat insulating cloth; 152. a rotating shaft; 153. a sliding bar; 16. a clamp hooking block; 161. a limiting block is hung;
2. an adjusting device; 21. a first adjustment block; 211. a first fixed block; 212. a first gear block; 22. a driven rod; 221. a driven gear; 222. replacing the block; 223. a first stop lever; 224. a second scroll bar; 23. a first power shaft; 231. a first rotary gear; 2311. a gear groove; 2312. a gear projection; 232. a second rotary gear; 233. a handle; 24. a second fixed block; 241. disassembling the plate; 242. a third rotary gear; 243. a collection plate; 25. the second limit sliding groove; 26. a first bump; 261. a protruding fixing block; 262. a second limit rod; 263. a third limiting plate; 27. a rolling ring; 271. rolling the ring limiting rod; 272. a synchronous limit rod; 28. brushing the column;
3. a clamp transmission structure; 31. a clamping plate; 32. disassembling the block; 321. disassembling the limit column; 33. a fluororubber pad; 34. clamping a threaded rod; 341. a first spring; 35. a mounting rod; 351. and fixing the sliding block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to fig. 1-7, the cable thermal extension test fixture comprises a clamping plate 31, and a fixture hanging block 16 and an extension block 13 which are matched with the fixture, wherein a disassembly block 32 is connected in a rolling manner in the lower end of the clamping plate 31, a disassembly limit post 321 is fixedly arranged on the side wall of the disassembly block 32, a fluorine rubber pad 33 is meshed with the outer wall of the disassembly limit post 321, the fluorine rubber pad 33 is attached to the side wall of the clamping plate 31, and the 33 is used for protecting a clamped object from deformation; the lower extreme fixed mounting of anchor clamps hitching piece 16 has the hitching stopper 161, splint 31 articulates the outer wall at stopper 161, the inner wall fixed mounting of extension piece 13 has slider 153, the outer wall slidable mounting of slider 153 has two first regulating blocks 21, the tip fixed mounting of first regulating block 21 has first fixed block 211, the inside roll of first regulating block 21 installs first power shaft 23, the tip outer wall of first power shaft 23 is provided with second rotary gear 232, the lateral wall fixed mounting of first fixed block 211 has second fixed block 24, the inside roll of second fixed block 24 has third rotary gear 242, the tip outer wall fixed mounting of third rotary gear 242 has dismantlement board 241, second rotary gear 232 is used for driving third rotary gear 242 rotation.
Specifically, firstly, processing the cable to be tested, processing the cable into a dumbbell shape, placing a clamp in a sealed cavity, clamping the cable to be tested by moving two clamping plates 31 and 33 on the side wall, keeping the clamping state until the thermal extension test detection is completed in the sealed cavity, loosening the clamp, after multiple detection, the fluororubber pad 33 is damaged due to the influence of temperature and environment, when good clamping force and performance cannot be maintained, replacing the fluororubber pad 33, because the multiple tests, the 33 is in a high-temperature state in the sealed cavity, before replacement, cooling the 33, in order to shorten the waiting time of cooling, the first adjusting block 21 can be pushed to a position close to the fluororubber pad 33 by pulling the first adjusting block 21 to be close to the clamping plate 31, until first gag lever post 223 inserts the inside of the hole that fluororubber pad 33 outer wall set up, afterwards rotatory first power shaft 23, first power shaft 23 drives the rotation of third rotation gear 242, the rotation of third rotation gear 242 drives the dismantlement piece 32 and rotates, thereby let fluororubber pad 33 and dismantlement piece 32 break away from, first rotation gear 231 rotation can take off fluororubber pad 33 that breaks away, two other first gag lever posts 223 can rotate new fluororubber pad 33 to the position that can mesh with dismantlement spacing post 321 of dismantlement piece 32 outer wall, after confirming screwing, can accomplish the change of fluororubber pad 33, carry out the centre gripping to dumbbell-shaped cable through fluororubber pad 33, the design of fluororubber pad 33 can be when detecting dumbbell-shaped cable, reduce the damage of fluororubber pad 33 to dumbbell-shaped cable centre gripping, improve the precision of detecting.
As shown in fig. 1-7, the cable thermal extension test apparatus includes a box 1, an electric cabinet 11 is fixedly mounted on a side wall of the box 1, a sealing door 12 is disposed at a front end of the box 1, an extension block 13 is fixedly mounted at a rear end of the box 1, a clamp hanging block 16 is fixedly mounted inside the box 1, an adjusting device 2 is disposed on an outer wall of a sliding bar 153, the adjusting device 2 includes a driven rod 22 which is rotatably mounted inside a first fixing block 211, a driven gear 221 is fixedly mounted on an outer wall of the driven rod 22, a replacement block 222 is fixedly mounted on an end portion of the driven rod 22, a plurality of first limiting rods 223 are fixedly mounted on an outer wall of the replacement block 222, a first rotating gear 231 is rotatably connected inside the first fixing block 211, and the first rotating gear 231 is slidably mounted on an outer wall of the first shaft 23.
Specifically, when testing the cable, the top end of the cable is clamped by the clamp, the weight is placed at the bottom end of the cable, the test environment is heated, the length change of the cable caused by the weight stretching is detected under the high temperature environment, the extension parameter caused by the environmental factor of the cable is further determined, after the cable is clamped, the opening of the extension block 13 and the closing door 12 is closed, the dumbbell-shaped cable is detected, after the cable is clamped, the fluororubber pad 33 is damaged due to the influence of temperature and environment, when good clamping force and performance cannot be maintained, the fluororubber pad 33 needs to be replaced, but the inner environment of the box 1 is at high temperature, although the fluororubber pad 33 still needs to be waited for time after the detachment, the interior of the box 1 such as the clamping plate 31 needs to be waited for cooling when the fluororubber pad 33 is replaced, after cooling, if the fluororubber pad 33 needs to be replaced and cooling needs to wait a lot of time, the first adjusting block 21 can be pushed to a position close to the fluororubber pad 33 by pulling the first adjusting block 21 to be close to the clamping plate 31 until the first limiting rod 223 is inserted into a hole formed in the outer wall of the fluororubber pad 33, then the first power shaft 23 is rotated, the first power shaft 23 drives the first rotating gear 231 and the third rotating gear 242 to rotate, the third rotating gear 242 rotates the detaching block 32, so that the fluororubber pad 33 is detached from the detaching block 32, the first rotating gear 231 rotates to remove the detached fluororubber pad 33, the other two first limiting rods 223 can rotate the new fluororubber pad 33 to a position capable of being meshed with the detaching limiting posts 321 on the outer wall of the detaching block 32, after screwing is determined, the replacement of the fluororubber pad 33 can be completed, the new and old fluororubber pads 33 can be replaced by the plurality of first limiting rods 223, the driven gear 221 and the first rotary gear 231 use the same transmission assembly, an unnecessary power source does not need to be designed, the fluororubber pad 33 can be continuously used without waiting, and the difficulty of replacing the fluororubber pad 33 at a high temperature is reduced, so that the cable thermal extension test can be conveniently completed.
As shown in fig. 9, two gear protrusions 2312 are fixedly mounted on the outer wall of the first power shaft 23, a gear groove 2311 is formed in the first rotary gear 231, and the gear protrusions 2312 slide on the inner wall of the gear groove 2311.
Specifically, when the first power shaft 23 is rotated, the first power shaft 23 drives the first rotating gear 231 and the second rotating gear 232 to rotate simultaneously, so that the first limiting rod 223 and the detaching plate 241 are inconvenient to adjust, when the second rotating gear 232 is required to rotate to drive the third rotating gear 242, the first power shaft 23 is rotated to push the first power shaft 23, the first rotating gear 231 rolls in the first fixing block 211, the first rotating gear 231 is slidably connected with the first power shaft 23, the gear boss 2312 can be separated from the gear groove 2311, the first rotating gear 231 is not driven to rotate when the first power shaft 23 is rotated, if the first rotating gear 231 is required to rotate, the first power shaft 23 is pulled back, the gear groove 2311 and the gear boss 2312 can control whether the first rotating gear 231 and the third rotating gear 242 synchronously rotate, the operation difficulty is reduced, and the first limiting rod 223 is prevented from touching the fluorine rubber pad 33 due to the rotation of the replacement block 222 when the detachment is prevented, so that the detachment is difficult.
As shown in fig. 8, the side walls of the two first adjusting blocks 21 are fixedly provided with first gear blocks 212, the interiors of the two first adjusting blocks 21 are slidably provided with rolling ring limiting rods 271, the end parts of the rolling ring limiting rods 271 are fixedly provided with rolling rings 27, the interiors of the rolling rings 27 are rollingly provided with synchronous limiting rods 272, and the end parts of the synchronous limiting rods 272 are meshed with the first gear blocks 212.
Specifically, when two first regulating blocks 21 are close to the fluororubber pad 33, the positions of the two first regulating blocks are not easy to control and are aligned, when the fluororubber pad 33 is detached and installed, the moving distances of the two ends are different, and the detachment difficulty is increased, so that when the two first regulating blocks 21 are regulated left and right, the first regulating blocks 21 can be limited, and the moving distances of the two first gear blocks 212 are the same when the first regulating blocks 21 are regulated left and right through the end gear engagement of the synchronous limiting rod 272, so that the operation difficulty is reduced.
As shown in fig. 8, the brushing post 28 is fixedly mounted on the synchronous limit rod 272 far from one end of the first gear block 212, the second rolling rod 224 is mounted on the outer wall of the synchronous limit rod 272 near one end of the brushing post 28 in a rolling manner, and the end parts of the second rolling rod 224 are connected with the end parts of the two driven rods 22 in a rolling manner.
Specifically, after the fluororubber pad 33 on the side wall of the clamping plate 31 is detached, because the fluororubber pad 33 is likely to be melted by the high-temperature environment, the side wall of the clamping plate 31 needs to be cleaned, during cleaning, the first adjusting block 21 is pushed forward, so that the brushing column 28 is meshed with the side wall of the clamping plate 31, the first adjusting block 21 is moved left and right relatively again, the first adjusting block 21 drives the first gear block 212 to be meshed with one end of the synchronous limiting rod 272, so as to drive the synchronous limiting rod 272 to rotate, the synchronous limiting rod 272 drives the brushing column 28 on the other end to rotate, the outer wall of the brushing column 28 is provided with an iron wire brush, the side wall surface of the clamping plate 31 can be cleaned, the device drives the brushing column 28 to rotate by moving the first adjusting block 21, and the brushing column 28 can clean the inner wall of the clamping plate 31, so that the cleaning work of the clamping plate 31 before the fluororubber pad 33 is installed is completed, and the problem that the fluororubber pad 33 is likely to be melted by high temperature and the clamping plate 31 is not easy to clean in a high-temperature state is solved.
As shown in fig. 4, a rotating shaft 152 is fixedly installed on the inner wall of the box 1 near the upper end of the extension block 13, and a heat insulation block 15 is fixedly installed on the side wall of the rotating shaft 152.
Specifically, when the inside of the box 1 is operated and the electric cabinet 11 is detected, the inside of the box 1 needs to be in a closed state, so that when the inside of the box 1 is operated, the first adjusting block 21 is pulled back, then the heat insulation block 15 is pulled back, the heat insulation block 15 drives the rotating shaft 152 to rotate, and when the rotating shaft 152 is in a vertical or horizontal state, the rotating shaft 152 has a force for keeping the horizontal and vertical states, so that the heat insulation block 15 is driven to be meshed with the inside of the box 1, and the inside of the box 1 is in a sealed state.
As shown in fig. 10, the outer wall of the first power shaft 23 is provided with two second limit sliding grooves 25, a first bump 26 is fixedly mounted on the side wall of the first adjusting block 21 near the upper end of the second limit sliding groove 25, a protruding fixing block 261 is fixedly mounted at the top end of the first bump 26, a second limit rod 262 is slidably connected inside the protruding fixing block 261, a third limit plate 263 is fixedly mounted at the lower end of the second limit rod 262, the third limit plate 263 slides on the inner wall of the first bump 26, and the outer wall of the bottom end of the third limit plate 263 can be meshed with the inner wall of the second limit sliding groove 25.
Specifically, when the first power shaft 23 is rotated, the first power shaft 23 needs to be pushed and pulled, so that the gear boss 2312 on the outer wall of the first power shaft 23 is meshed with or separated from the gear groove 2311, the operation is inconvenient, the second limiting rod 262 can be extruded, a spring is arranged on the outer wall of the second limiting rod 262, the second limiting rod 262 is always driven to move downwards by the force of the spring, the first power shaft 23 is pulled, the third limiting plate 263 is meshed with one of the first power shafts 23, the gear boss 2312 can be controlled to be meshed with or separated from the gear groove 2311, and when the first power shaft 23 is rotated, the first power shaft 23 is not pushed and pulled at any time, so that the use is convenient.
As shown in fig. 2, a transparent glass 14 is disposed on the outer wall of the case 1 near the top end of the extension block 13, the transparent glass 14 is used for observing the internal condition of the case 1, a heat insulation cloth 151 is disposed on the inner wall of the extension block 13 far away from the case 1, and the heat insulation cloth 151 is used for blocking the heat in the case 1.
Specifically, the inside of the case 1 is still in a high temperature state with respect to a person after use, so that when the fluororubber pad 33 is replaced, heat and hot air still cause discomfort to an operator, when the heat insulating block 15 is in an open state, the position of the heat insulating cloth 151 can be adjusted, the heat insulating cloth 151 slides on the inner wall of the extension block 13, thereby facilitating pulling, and the inside of the case 1 is blocked by heat after use, thereby reducing discomfort to the operator.
As shown in fig. 4 and 7, the upper end of the clamping plate 31 is provided with a clamp transmission structure 3, the clamp transmission structure 3 comprises a mounting rod 35 slidably mounted inside the top ends of the two clamping plates 31, a fixed sliding block 351 is slidably mounted inside the mounting rod 35, the center inside the top ends of the two clamping plates 31 is in threaded connection with a clamping threaded rod 34, a first spring 341 is fixedly mounted on the inner wall of the clamping plate 31, and the fixed sliding block 351 is used for mounting the clamping plate 31 on the outer wall of the hanging limiting block 161.
Specifically, when the clamping force of two splint 31 needs to be adjusted, rotatory clamp threaded rod 34 can, clamp threaded rod 34 outer wall is provided with the reverse screw thread, rotatory clamp threaded rod 34 can drive splint 31 and be close to each other or keep away from each other, can reach the effect of pressing from both sides tightly, after splint 31 press from both sides tight with article, need install two splint 31 at the outer wall that articulates stopper 161, can press fixed sliding block 351, the lateral wall of installation pole 35 and the outer wall that articulates stopper 161 all are provided with intermeshing's groove, can install splint 31 at articulates stopper 161 upper end, the installation is finished after the convenience carries out distance control to a plurality of splint 31, the installation, dismantle and change fluororubber pad 33.
As shown in fig. 8 and 10, a handle 233 is fixedly installed on the outer wall of the end of the first power shaft 23 far from one end of the first fixing block 211, a protrusion for preventing the fluororubber pad 33 from falling off is provided on the outer wall of the handle 233, and a collecting plate 243 is slidably installed at the bottom end of the second fixing block 24.
Specifically, when the first power shaft 23 needs to be rotated, the handle 233 can be held, the handle 233 drives the first power shaft 23 to rotate, so that a labor-saving effect is achieved, the fluororubber pad 33 is arranged on the outer wall of the handle 233, after the fluororubber pad 33 is sleeved on the outer wall of the handle 233, the fluororubber pad 33 can be prevented from falling off by the protrusion of the outer wall of the handle 233 when the handle 233 rotates to the bottom end, the collecting plate 243 slidably mounted at the bottom end of the second fixing block 24 is provided, after the clamping plate 31 is cleaned, residues of the fluororubber pad 33 falling off the surface of the clamping plate 31 can fall on the top end of the collecting plate 243 under the action of the collecting plate 243, and after the cleaning work of the clamping plate 31 is completed, the collecting plate 243 is cleaned, and the bottom end inner wall of the box 1 does not need to be cleaned.
Working principle: firstly, processing a cable to be tested, processing the cable into a dumbbell shape, then placing the top end of the dumbbell-shaped cable between two clamping plates 31 for clamping, placing weights at the bottom end of the cable, rotating a clamping threaded rod 34 when the clamping force of the two clamping plates 31 is regulated, arranging reverse threads on the outer wall of the clamping threaded rod 34, rotating the clamping threaded rod 34 to drive the clamping plates 31 to approach or separate from each other, so as to achieve the clamping effect, after the clamping plates 31 clamp an object, arranging the two clamping plates 31 on the outer wall of a hanging limiting block 161, pressing a fixed sliding block 351, arranging the side wall of an installation rod 35 and the outer wall of the hanging limiting block 161 into mutually meshed grooves, arranging the clamping plates 31 on the upper end of the hanging limiting block 161, detecting after the installation, if the fluorine rubber pad 33 is required to be replaced after the detection for a plurality of times, pulling the heat insulating cloth 151 to reduce the opening of the extension block 13, reducing the impact of the internal temperature on the human being, sliding the first adjusting block 21 to the outer wall of the clamping plate 31, holding the handle 233 before attaching the outer wall of the clamping plate 31, driving the first power shaft 23 to rotate by the handle 233, driving the third rotating gear 242 in the second fixing block 24 by the first power shaft 23 to rotate, driving the detaching plate 241 to rotate by the third rotating gear 242, adjusting the detaching plate 241 to a position capable of being meshed with the outer wall of the detaching block 32, adjusting the first adjusting block 21 again, enabling the detaching block 32 to be meshed with the detaching plate 241, rotating the first power shaft 23 again, driving the third rotating gear 242 to rotate by 90 degrees, screwing the detaching limiting post 321 out of the inner wall of the fluororubber pad 33, pulling the first adjusting block 21 again to a position capable of being manually contacted, the novel fluororubber pad 33 is installed at the upper end of the rolling ring 27, after the installation, the first regulating block 21 is pushed again, the first regulating block 21 is pushed to a position which can be engaged with a disassembling limit post 321 on the outer wall of the disassembling block 32 until the first limit rod 223 is inserted into a hole formed in the outer wall of the fluororubber pad 33, then the first power shaft 23 is rotated, the first power shaft 23 drives the first rotary gear 231 and the third rotary gear 242 to rotate, the third rotary gear 242 rotates to drive the disassembling block 32 to rotate, so that the fluororubber pad 33 is separated from the disassembling block 32, the first rotary gear 231 rotates to take away the disassembled fluororubber pad 33, the other two first limit rods 223 can rotate to a position which can be engaged with the disassembling limit post 321 on the outer wall of the disassembling block 32, after screwing is confirmed, the fluororubber pad 33 can be replaced by the plurality of first limit rods 223, after the fluororubber pad 33 on the side wall of the clamping plate 31 is disassembled, the fluororubber pad 33 can be enabled to melt through a high-temperature environment before, therefore the fluororubber pad 33 can be enabled to move, the first rotary brush 31 needs to be separated from the disassembling block 32, the first limit rod 272 drives the first limit rod 272 to move forward, the brush 21 can be engaged with the other end of the cleaning block 31, and the other end of the cleaning block 28 can be engaged with the other end of the cleaning brush 21 can be driven by the rotary limit post 28, and the other end of the cleaning post 28 can be engaged with the cleaning post 28, and the cleaning post 28 can be simultaneously moved by the other end 21.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present invention will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present invention.
Claims (10)
1. The utility model provides a cable heat extension test anchor clamps, includes splint (31) and with anchor clamps hitching piece (16) and extension piece (13) that anchor clamps matched with use, its characterized in that: the lower end of the clamping plate (31) is internally connected with a disassembly block (32) in a rolling manner, a disassembly limiting column (321) is fixedly arranged on the side wall of the disassembly block (32), a fluororubber pad (33) is meshed with the outer wall of the disassembly limiting column (321), and the fluororubber pad (33) is attached to the side wall of the clamping plate (31);
the fixture is characterized in that a hanging limiting block (161) is fixedly arranged at the lower end of the fixture hanging block (16), the clamping plate (31) is hung on the outer wall of the limiting block (161), a sliding bar (153) is fixedly arranged on the inner wall of the extending block (13), two first adjusting blocks (21) are slidably arranged on the outer wall of the sliding bar (153), a first fixing block (211) is fixedly arranged at the end part of the first adjusting block (21), a first power shaft (23) is arranged in the first adjusting block (21) in a rolling manner, a second rotating gear (232) is arranged on the outer wall of the end part of the first power shaft (23), a second fixing block (24) is fixedly arranged on the side wall of the first fixing block (211), a third rotating gear (242) is fixedly arranged in the inner rolling manner of the second fixing block (24), a disassembling plate (241) is fixedly arranged on the outer wall of the end part of the third rotating gear (242), and the second rotating gear (232) is used for driving the third rotating gear (242) to rotate.
2. A cable thermal extension test apparatus employing a cable thermal extension test fixture according to claim 1, wherein: including box (1), the lateral wall fixed mounting of box (1) has electric cabinet (11), the front end of box (1) is provided with closed door (12), the rear end fixed mounting of box (1) has extension piece (13), the inside fixed mounting of box (1) has anchor clamps to hang piece (16), the outer wall of slider (153) is provided with adjusting device (2), adjusting device (2) including the driven lever (22) of rolling mounting in first fixed block (211), the outer wall fixed mounting of driven lever (22) has driven gear (221), the tip fixed mounting of driven lever (22) has change piece (222), the outer wall fixed mounting of change piece (222) has a plurality of first gag lever posts (223), the inside rolling connection of first fixed block (211) has first rotary gear (231), first rotary gear (231) slidable mounting is at the outer wall of first power shaft (23).
3. A cable thermal extension test apparatus according to claim 2, wherein: the outer wall of the first power shaft (23) is fixedly provided with two gear bulges (2312), a gear groove (2311) is formed in the first rotary gear (231), and the gear bulges (2312) slide on the inner wall of the gear groove (2311).
4. A cable thermal extension test apparatus according to claim 3, wherein: the side walls of the two first adjusting blocks (21) are fixedly provided with first gear blocks (212), the inside of the two first adjusting blocks (21) is slidably provided with a rolling ring limiting rod (271), the end part of the rolling ring limiting rod (271) is fixedly provided with a rolling ring (27), the inside of the rolling ring (27) is provided with a synchronous limiting rod (272) in a rolling mode, and the end part of the synchronous limiting rod (272) is meshed with the first gear blocks (212).
5. The cable thermal extension test apparatus as defined in claim 4, wherein: and a brushing column (28) is fixedly arranged on the outer wall of the synchronous limiting rod (272) which is far away from one end of the first gear block (212), a second rolling rod (224) is arranged on the outer wall of the synchronous limiting rod (272) which is close to one end of the brushing column (28) in a rolling way, and the end parts of the second rolling rods (224) are connected with the end parts of the two driven rods (22) in a rolling way.
6. The cable thermal extension test apparatus of claim 5, wherein: the inner wall of the box body (1) close to the upper end of the extension block (13) is fixedly provided with a rotating shaft (152), and the side wall of the rotating shaft (152) is fixedly provided with a heat insulation block (15).
7. The cable thermal extension test apparatus of claim 6, wherein: the outer wall of first power shaft (23) is provided with two spacing sliding grooves (25) of second, is close to first regulating block (21) lateral wall fixed mounting of second spacing sliding groove (25) upper end has first lug (26), the top fixed mounting of first lug (26) has protruding fixed block (261), the inside sliding connection of protruding fixed block (261) has second gag lever post (262), the lower extreme fixed mounting of second gag lever post (262) has third limiting plate (263), the inner wall at first lug (26) is slided to third limiting plate (263), the bottom outer wall of third limiting plate (263) can with the inner wall meshing of second spacing sliding groove (25).
8. The cable thermal extension test apparatus of claim 7, wherein: be close to box (1) outer wall on extension piece (13) top is provided with transparent glass (14), transparent glass (14) are used for observing the inside condition of box (1), and the inner wall of extension piece (13) of keeping away from box (1) is provided with insulating cloth (151), insulating cloth (151) are used for carrying out check with the heat of box (1) inside.
9. The cable thermal extension test apparatus of claim 8, wherein: the upper end of splint (31) is provided with anchor clamps transmission structure (3), anchor clamps transmission structure (3) are including slidable mounting at inside installation pole (35) in two splint (31) top, the inside slidable mounting of installation pole (35) has fixed sliding block (351), two the inside threaded connection in splint (31) top center has clamp threaded rod (34), the inner wall fixed mounting of splint (31) has first spring (341), fixed sliding block (351) are used for installing splint (31) at the outer wall of hitching stopper (161).
10. The cable thermal extension test apparatus of claim 9, wherein: the outer wall of the end part of the first power shaft (23) far away from one end of the first fixed block (211) is fixedly provided with a handle (233), the outer wall of the handle (233) is provided with a protrusion for preventing the fluororubber pad (33) from falling off, and the bottom end of the second fixed block (24) is slidably provided with a collecting plate (243).
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| CN202311250940.1A CN117007419B (en) | 2023-09-26 | 2023-09-26 | Cable thermal extension test equipment and test fixture |
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| CN202311250940.1A CN117007419B (en) | 2023-09-26 | 2023-09-26 | Cable thermal extension test equipment and test fixture |
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| CN117007419B true CN117007419B (en) | 2023-12-08 |
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| CN117007419A (en) | 2023-11-07 |
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