CN218412097U - Cable insulation layer and elastomer sheath thermal extension test reading device - Google Patents
Cable insulation layer and elastomer sheath thermal extension test reading device Download PDFInfo
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- CN218412097U CN218412097U CN202222512103.9U CN202222512103U CN218412097U CN 218412097 U CN218412097 U CN 218412097U CN 202222512103 U CN202222512103 U CN 202222512103U CN 218412097 U CN218412097 U CN 218412097U
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Abstract
A cable insulation and elastomer jacket thermal extension test reading device comprising: the box body is arranged above the base and connected with the base through bolts; one side surface of the box body is provided with a long hole, a slide way is embedded in the long hole, and the slide way is arranged on the box body in a vertical direction; the reading module is arranged on the slide way and used for reading data of the thermal extension test. The utility model discloses a cable insulation and hot extension test reading device of elastomer sheath can accurately read the reading of hot extension test result, improve the effective rate that the test result was judged, improve the treatment effeciency of test result. When carrying out hot extension test, through setting up the scale bar, utilize the scale bar to react accurate reading result with accurate numerical value through pointer and scale mark to integrated position sensor on the pointer can be with the reaction on digital display between the reading result, has promoted the efficiency of reading greatly.
Description
Technical Field
The utility model belongs to the technical field of power equipment detects, concretely relates to cable insulation and hot extension test reading device of elastomer sheath.
Background
The thermal extension test is a laboratory key test item for detecting the performance of the insulating layer and the elastomer sheath of cable electric materials, and is mainly used for detecting whether the performance of the insulating layer and the elastomer sheath meets the standard and the use requirement under the action of heat.
In the process of the thermal extension test, the temperature of the oven is raised to 200 ℃, the test piece is kept in the oven for 10min, and then the distance between the gauge lines is measured and the elongation is calculated. Whether the reading of the actual position of the gauge length line is accurate or not is the key for determining whether the test result is accurate or not. However, the distance between the marked lines is currently typically measured by visual inspection of the gauge lines through an oven viewing window and the corresponding scale of the straight steel rule on the sample holder. Because the distance between the observation window and the sample is 200-300 mm, visual personnel and position change can obtain different reading results, the error is extremely large, and the test result cannot be accurately read. Particularly, when the reading result is at the edge of the standard requirement, the test result cannot be effectively judged.
Therefore, in order to objectively and accurately read the thermal extension test data of the cable insulation layer and the elastomer sheath, a thermal extension test reading device needs to be designed.
SUMMERY OF THE UTILITY MODEL
For solving exist not enough among the prior art, the utility model provides a cable insulation layer and the experimental reading device of hot extension of elastomer sheath can the accurate hot extension test data of reading.
The utility model adopts the following technical proposal:
a cable insulation and elastomer jacket thermal extension test reading device comprising: the box body is arranged above the base and is connected with the base through a bolt; one side surface of the box body is provided with a long hole, a slide way is embedded in the long hole, and the slide way is arranged on the box body in a vertical direction; the reading module is arranged on the slide way and used for reading data of the thermal extension test.
As a preferred embodiment of the present invention, the reading module includes a digital display, a slider, a pointer, a scale mark and a scale bar.
As a preferred embodiment of the present invention, the slider carries the scale bar and the pointer to slide in the slide way, and makes the pointer point to the scale mark, and transmits the reading to the digital display through the position sensor.
As a preferred embodiment of the present invention, the slider is disposed in the slide way, and slides in the slide way and indicates the scale.
As a preferred embodiment of the present invention, the slide way is provided with an elongated slot for accommodating the scale bar.
As a preferred embodiment of the present invention, the scale marks are uniformly arranged on the slide way.
As a preferred embodiment of the utility model, fixedly connected with scale bar on the slider, the wherein one end fixed connection of scale bar is on the mid point of slider, and the other end passes the inside scale distance line of the directional box of slide, and scale bar aligns with the scale distance line.
As a preferred embodiment of the utility model, still be provided with the pointer on the slider, the pointer passes through bolt fixed mounting on the slider, and the pointer setting is in the position with the same height of scale bar, and directional scale mark.
As an embodiment of the utility model, the tip that the scale bar is connected with the slider is provided with fastening bolt, and fixedly connected with scale bar holding block on the slider is through fastening bolt screw in scale bar holding block and then make scale bar and slider fixed connection.
As a preferred embodiment of the utility model, the digital display sets up on the box, and it links with the pointer, shows the current reading of pointer.
As a preferred embodiment of the utility model, the inside scale distance line that still is provided with dumbbell appearance of box, the altitude variation of scale distance line according to hot extension.
As a preferred embodiment of the present invention, the length of the slider is 2 times of the length of the slide way.
As a preferred embodiment of the present invention, a ball is disposed between the slider and the slide way.
As a preferred embodiment of the present invention, the moving range of the scale bar is 0 to 500mm.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a cable insulation and elastomer sheath thermal extension test reading device can accurately read the reading of thermal extension test result, improves the effective rate that the test result judged, improves the treatment effeciency of test result. When carrying out hot extension test, according to the position that the scale mark distance line was located after the heating with the scale rod slide corresponding height, because the scale rod is the level setting, so the scale rod can accurate reaction scale distance line actual position that is in, finally react out accurate reading result through pointer and scale mark to integrated position sensor on the pointer can be with the reaction between the reading result on digital display, has promoted the efficiency of reading greatly.
Drawings
FIG. 1 is a schematic structural view of a cable insulation layer and elastomer sheath thermal extension test reading device of the present invention;
FIG. 2 is a schematic view of the structure of the chute of FIG. 1;
fig. 3 is a schematic diagram of the structure of the reading module in fig. 2.
In the figure:
1-a box body; 2-a slideway; 3-a digital display; 4-a slide block; 5-a pointer; 6-scale mark; 7-a graduated stick; 8-a stand; 9-a graduated rod fastening block; 10-fastening bolts; 11-a ball.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions of the present invention. The embodiments described herein are only some embodiments of the present invention, and not all embodiments. Based on the spirit of the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is the structure schematic diagram of the reading device for the thermal extension test of the cable insulation layer and the elastomer sheath of the present invention, as shown in fig. 1, the utility model discloses a reading device for the thermal extension test of the cable insulation layer and the elastomer sheath of the present invention includes a box body 1, a frame 8 and a reading module.
The box body 1 is arranged above the base 8, the contact surfaces of the box body and the base coincide, and the box body and the base are fixedly connected at least in a bolt connection mode.
The temperature adjusting range inside the box body 1 is 20-400 ℃, a dumbbell-shaped scale distance line is arranged inside the box body 1, and when the structure to be detected extends in the box body 1 through heating, the scale distance line moves according to the extending result.
One of them side of box 1 has seted up the rectangular hole, and slide 2 is embedded in the rectangular hole, and slide 2 is vertical direction setting on box 1.
The reading module is arranged on the slide way 2 and is used for reading the data of the thermal extension test after measuring the length of the thermal extension.
The reading module comprises a digital display 3, a slide block 4, a pointer 5, scale marks 6 and a scale bar 7.
The graduation marks 6 are evenly distributed on the slide 2 and are used for indicating the data of the thermal extension test and providing reading basis.
A slider 4 is arranged inside the slide 2, which is able to slide inside the slide 2. As shown in fig. 3, a ball 11 is preferably provided between the slider 4 and the slide 2 so that the slider 4 can slide in the slide 2.
The slideway 2 is also provided with a long groove for accommodating the scale rod 7.
The graduated rod 7 is connected on the slide block 4, and the graduated rod 7 is horizontally arranged. Wherein one end fixed connection of scale rod 7 is on the mid point of slider 4, and the other end passes the inside scale distance line of slide 2 directional box 1 to scale rod 7 aligns with the scale distance line, because the true height of experimental body can be demonstrate to the scale distance line, consequently, sets up at scale rod 7 level, and when aligning with the scale distance line, makes scale rod 7's height can embody the experimental accurate result of hot extension.
The scale rod 7 is connected on the mid point of slider 4, and the length of slider 4 is 2 times of slide 2 length for no matter the scale rod 7 is located this reading device's peak, still is located this reading device's minimum, and slider 4 can both cover slide 2 completely.
Meanwhile, the base 8 is arranged so that when the graduated rod 7 is at the lowest point of the reading device, the sliding block 4 cannot be realized by touching the ground or other structures.
As shown in fig. 2 and 3, a fastening bolt 10 is arranged at the end of the scale rod 7 connected with the slider 4, a scale rod fastening block 9 is fixedly connected to the slider 4, and the scale rod 7 is fixedly connected with the slider 4 by screwing the fastening bolt 10 into the scale rod fastening block 9.
The moving range of the graduated rod 7 is 0-500 mm.
Still be provided with pointer 5 on the slider 4, pointer 5 passes through bolt fixed mounting on slider 4, and pointer 5 sets up in the position with scale bar 7 co-altitude, and directional scale mark 6 for pointer 5 can point to the experimental accurate result of thermal extension.
A digital display 3 is provided on the box 1, which is coupled to the pointer 5 and displays the current reading of the pointer 5.
The pointer 5 is integrated with a position sensor, when the pointer 5 moves to a specific position, the position sensor transmits an electric signal to the processor, the processor converts the electric signal into a digital signal, and then the digital signal is transmitted to the digital display 3 to display the current accurate reading.
The numerical value that digital display 3 read passes through the processing of position sensor, treater, converts the electrical signal into digital signal, has avoided the error that causes when artifical reading for the reading result is more accurate, makes the test result more accurate.
The graduated rod 7, the graduated rod fastening block 9 and the sliding block 4 are made of high-temperature-resistant ceramic materials, so that all the parts can still stably run in a high-temperature environment, and the service life of the reading device is prolonged.
The ball 11 is made by high wear-resisting steel, reduces the wearing and tearing that slider 4 slided repeatedly in slide 2 and causes, effectively improves this reading device's life, can also improve the slip efficiency of slider 4 in slide 2.
This reading device is when in actual use, at first, place the test body in box 1 corresponding test position, and adjust the temperature in the box 1, make the test body extend under the high temperature condition, treat that the temperature rises to predetermined temperature and keep behind the predetermined time, according to the length of the test body in the box 1, adjust the position of slider 4, carry scale bar 7 and point to the gauge length line of test body extension length, carry pointer 5 and point to scale mark 6 simultaneously, and transmit numerical value for digital display 3 through position sensor and treater, and finally, read the numerical value that pointer 5 points, or read digital display 3's numerical value, accomplish the reading.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a cable insulation and hot extension test reading device of elastomer sheath can accurately read the reading of hot extension test result, improve the effective rate that the test result was judged, improve the treatment effeciency of test result. When carrying out hot extension test, according to the position that the scale mark distance line was located after the heating with the scale rod slide corresponding height, because the scale rod is the level setting, so the scale rod can accurate reaction scale distance line actual position that is in, finally react out accurate reading result through pointer and scale mark to integrated position sensor on the pointer can be with the reaction between the reading result on digital display, has promoted the efficiency of reading greatly.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those skilled in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as falling within the scope of the claims of the invention.
Claims (10)
1. A cable insulation and elastomer jacket thermal extension test reading device comprising: box (1), frame (8) and reading module, its characterized in that:
the box body (1) is arranged above the base (8), and the box body and the base are connected through bolts;
a long hole is formed in one side face of the box body (1), a slide way (2) is embedded in the long hole, and the slide way (2) is arranged on the box body (1) in a vertical direction;
the reading module is arranged on the slide way (2) and used for reading data of the thermal extension test.
2. A cable insulation and elastomer jacket thermal extension test reading device as claimed in claim 1, wherein:
the reading module comprises a digital display (3), a sliding block (4), a pointer (5), scale marks (6) and a scale bar (7);
the slide block (4) carries a scale rod (7) and a pointer (5) to slide in the slide way (2), the pointer (5) points to the scale mark (6), and the reading is transmitted to the digital display (3) through the position sensor.
3. A cable insulation and elastomer jacket thermal extension test reading device as claimed in claim 2, wherein:
the sliding block (4) is arranged in the slide way (2), slides in the slide way (2) and indicates scales;
the slideway (2) is provided with a long groove for accommodating a scale rod (7);
the scale marks (6) are uniformly arranged on the slide way (2).
4. A cable insulation and elastomer jacket thermal extension test reading device as claimed in claim 3, wherein:
fixedly connected with scale rod (7) on slider (4), wherein one end fixed connection of scale rod (7) is on the mid point of slider (4), and the other end passes the inside scale mark distance line of slide (2) directional box (1), and scale rod (7) align with the scale mark distance line.
5. The cable insulation and elastomer jacket thermal extension test reading device of claim 4, wherein:
still be provided with pointer (5) on slider (4), pointer (5) pass through bolt fixed mounting on slider (4), and pointer (5) set up in the position with scale rod (7) same height, and directional scale mark (6).
6. A cable insulation and elastomer jacket thermal extension test reading device as claimed in claim 4 wherein:
the end part of the scale rod (7) connected with the sliding block (4) is provided with a fastening bolt (10), the sliding block (4) is fixedly connected with a scale rod fastening block (9), and the scale rod (7) is fixedly connected with the sliding block (4) by screwing the fastening bolt (10) into the scale rod fastening block (9).
7. A cable insulation and elastomer jacket thermal extension test reading device as claimed in claim 2, wherein:
the digital display (3) is arranged on the box body (1) and is linked with the pointer (5) to display the current reading of the pointer (5).
8. The cable insulation and elastomer jacket thermal extension test reading device of claim 4, wherein:
the inside scale distance line that still is provided with dumbbell appearance of box (1), the height variation of scale distance line according to hot extension.
9. A cable insulation and elastomer jacket thermal extension test reading device as claimed in claim 2, wherein:
the length of the sliding block (4) is 2 times of that of the sliding way (2);
and a ball (11) is arranged between the sliding block (4) and the slideway (2).
10. A cable insulation and elastomer jacket thermal extension test reading device as claimed in claim 2, wherein:
the moving range of the graduated rod (7) is 0-500 mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222512103.9U CN218412097U (en) | 2022-09-22 | 2022-09-22 | Cable insulation layer and elastomer sheath thermal extension test reading device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202222512103.9U CN218412097U (en) | 2022-09-22 | 2022-09-22 | Cable insulation layer and elastomer sheath thermal extension test reading device |
Publications (1)
Publication Number | Publication Date |
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CN218412097U true CN218412097U (en) | 2023-01-31 |
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CN202222512103.9U Active CN218412097U (en) | 2022-09-22 | 2022-09-22 | Cable insulation layer and elastomer sheath thermal extension test reading device |
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CN (1) | CN218412097U (en) |
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2022
- 2022-09-22 CN CN202222512103.9U patent/CN218412097U/en active Active
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