CN218629331U - Cable insulation cover thermal extension experimental device and thermal extension experimental equipment - Google Patents
Cable insulation cover thermal extension experimental device and thermal extension experimental equipment Download PDFInfo
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- CN218629331U CN218629331U CN202222771415.1U CN202222771415U CN218629331U CN 218629331 U CN218629331 U CN 218629331U CN 202222771415 U CN202222771415 U CN 202222771415U CN 218629331 U CN218629331 U CN 218629331U
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Abstract
The utility model relates to a cable insulation cover tests technical field, especially relates to a cable insulation cover heat extension experimental apparatus and heat extension experimental facilities. The thermal extension experimental apparatus includes: the device comprises an aging box, a guide rail component, a ray component and a driving unit; the guide rail part sets up in the ageing oven and with insulating cover parallel arrangement, ray part and guide rail part sliding connection, the drive unit drive the ray part is followed the guide rail part removes, the ray part to insulating cover emission light has solved the measuring error problem that opens the door and the reading causes, has guaranteed operating personnel safety.
Description
Technical Field
The utility model relates to a cable insulation cover tests technical field, especially relates to a cable insulation cover heat extension experimental apparatus and heat extension experimental facilities.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
The wire and cable is an indispensable electrical product in daily life of people at present, and the safety and the importance of the wire and cable are very important. The quality of the cable insulation sleeve is directly related to the service life of the cable and the safety of people, a thermal extension test is needed for comprehensively knowing the quality of the cable insulation sleeve, and the thermal extension test is an experiment for determining the extension and deformation degree of the insulation sleeve under the action of heat and load so as to determine the thermal extension performance of the insulation sleeve material. When measuring the thermal elongation performance of the insulating sleeve, according to the experimental method of GB/2951-2008.21, because the sample is in an aging oven with high temperature, the current measuring and reading methods mainly comprise the following two methods:
(1) for equipment with an aging box without an observation window, the box door needs to be opened for 30s for measurement; according to the method, the aging box 4 is opened, air enters at the moment to influence the sample, the measurement sample is still further stretched within the specified 30s according to actual conditions, so that the experimental result is influenced, and in addition, high-temperature equipment and hot air are contacted in the measurement reading process, so that the injury to personnel is easily caused.
(2) For equipment with a viewing window in the ageing oven, a reference object such as a ruler 3 is placed next to the insulating sheath for comparative measurements, as shown in figure 1. Although the method has an observation window and the aging box does not need to be opened, in the actual measurement process, on one hand, the ruler is inconvenient to observe due to a certain distance between the ruler and the sample, on the other hand, the experimenter cannot guarantee that the ruler is perpendicular to the mark in the actual reading process, and the accuracy of the reading cannot be guaranteed at the two points, so that the experimental result is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model provides a cable insulation cover heat extends experimental apparatus to solve the measuring error problem that opens the door and the reading leads to the fact, guaranteed operating personnel safety.
In order to achieve the above object, the embodiment of the present invention provides the following technical solutions:
a cable insulation cover thermal extension experimental device comprises: the device comprises an aging box, a guide rail component, a ray component and a driving unit; the ray component is arranged in the aging box and parallel to the insulating sleeve, the ray component is connected with the guide rail component in a sliding mode, the driving unit drives the ray component to move along the guide rail component, and the ray component emits light to the insulating sleeve.
The utility model discloses an in another preferred embodiment, the ageing oven has roof board and bottom of the case board, drive unit is including setting up the motor on the roof board and setting up the lead screw between roof board and bottom of the case board, ray part connects first flange, first flange with lead screw thread fit.
In another preferred embodiment of the present invention, the guide rail member includes a polish rod disposed between the box top plate and the box bottom plate, and the ray member is provided with a through hole engaged with the polish rod.
In another preferred embodiment of the present invention, the polish rod is provided with two through holes, and the ray component is provided with two through holes.
In another preferred embodiment of the present invention, the radiation component is a laser emitter.
In another preferred embodiment of the present invention, the laser emitter has a radiation opening, which is oriented toward the insulating sleeve.
The embodiment of the utility model provides a hot extension experimental facilities is still provided, including the aforesaid cable insulation cover hot extension experimental apparatus.
In another preferred embodiment of the present invention, the apparatus is provided with a chamber door, and the chamber door is provided with an observation window.
In another preferred embodiment of the present invention, the front end surface of the device is provided with a control panel.
In another preferred embodiment of the present invention, a temperature sensor is disposed in the aging box.
The embodiment of the utility model provides an in one or more technical scheme, following technological effect or advantage have at least:
1. through the utility model discloses an experimental apparatus need not to open the ageing oven, can avoid the air admission to cause experimental error, has reduced personnel's chance of contacting high temperature equipment simultaneously, has protected personnel's safety. And, through the measurement of laser equipment replacement personnel, utilize ray and two marking lines coincidences, and need not to compare the reading with the dipperstick with the marking line, avoided the error that personnel's reading caused, further improved the experiment precision.
2. The utility model is used for the thermal extension experiment of insulating cover of crosslinked polyethylene through improving experimental apparatus, has avoided environment and artificial influence, has improved the precision of measurement process. Especially for disputed critical value experiment results, the influence of human factors such as change of experiment environment, manual observation and the like on the experiment results can be eliminated as much as possible, so that the reality and the reliability of the experiment results are ensured, and the rigor of the experiment is ensured.
Advantages of additional aspects of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.
FIG. 1 is a schematic view of the interior of a prior art burn-in box;
FIG. 2 is a schematic view of the thermal extension experimental apparatus provided by the embodiment of the present invention;
fig. 3 is a schematic view of a thermal extension experimental apparatus provided by an embodiment of the present invention;
FIG. 4 is a schematic diagram of the operation of the thermal extension experimental apparatus according to the embodiment of the present invention;
in the figure: 1. an insulating sleeve; 2. balancing weight; 3. a straightedge; 4. an aging box; 5. a radiation component; 6. a box door; 7. an observation window; 8. a control panel; 9. a motor; 10. a box top plate; 11. a screw rod; 12. a box bottom plate; 13. a radiation port; 15. a polish rod; 16. a first flange; 17. a second flange; 18. a ray;
the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the illustration is for illustrative purposes only.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
For convenience of description, the words "up", "down", "left" and "right" in the present invention, if appearing, are only used to indicate the correspondence of the directions of up, down, left and right in the drawings themselves, and not to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered as limiting the invention. Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; the two components can be connected mechanically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and specific meanings of the terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 2-3, an embodiment of the present invention describes a thermal extension experimental apparatus for a cable insulation sheath 1, including: a burn-in box 4, a guide rail component, a ray component 5 and a driving unit; the guide rail component is arranged in the aging box 4 and is parallel to the insulating sleeve 1, the ray component 5 is connected with the guide rail component in a sliding mode, the driving unit drives the ray component 5 to move along the guide rail component, and the ray component 5 emits light to the insulating sleeve 1.
The ray component 5 can adopt the existing laser emitter as long as the ray component can emit the ray. The laser emitter is provided with a ray port 13, the ray port 13 faces the insulating sleeve 1, and the ray port emits linear rays to ensure that the rays can hit the insulating sleeve.
As shown in fig. 4, before the experiment, two marking lines are arranged on the outer wall of the insulating sleeve according to the experimental standard, and the insulating sleeve 1 and the counterweight 2 are installed in the aging oven for heating operation. When reading is needed, the laser transmitter sends out horizontal laser rays which are perpendicular to an experimental sample (an insulating sleeve), the position of the laser transmitter is adjusted to enable the rays 18 to coincide with an upper marking line of the sample, the position (or displacement data zero clearing) of the current laser transmitter is obtained, the laser transmitter is moved to enable the rays to coincide with a lower marking line, the position of the current laser transmitter is obtained, the displacement difference of the two laser transmitters, namely the distance between the two marking lines after the experiment is obtained, and the distance between the two marking lines before the experiment is subtracted from the distance between the two marking lines after the experiment to obtain the required experiment result.
Through the utility model discloses an experimental apparatus need not to open the ageing oven, can avoid the air admission to cause experimental error, has reduced personnel's chance of contacting high temperature equipment simultaneously, has protected personnel's safety. And, through the measurement of laser equipment replacement personnel, utilize ray and two marking lines coincidences, and need not to compare the reading with the dipperstick with the marking line, avoided the error that personnel's reading caused, further improved the experiment precision.
As shown in fig. 3, the aging box 4 has a box top plate 10 and a box bottom plate 12, the driving unit includes a motor 9 disposed on the box top plate 10 and a lead screw 11 disposed between the box top plate 10 and the box bottom plate 12, the ray part 5 is connected to a first flange 16, and the first flange 16 is in threaded fit with the lead screw 11. Specifically, first flange passes through the mounting screw on laser emitter, and the centre sets up the external screw thread that the internal thread cooperateed with the lead screw, and the motor rotates and drives the lead screw and rotate, and the lead screw rotates and drives laser emitter rectilinear movement. The box bottom plate is provided with a second flange 17, and the middle of the second flange is provided with a unthreaded hole for mounting the lower end of the screw rod.
The end of the motor 9 is also provided with a servo motor to obtain the displacement data of the laser emitter by obtaining the number of rotation turns of the motor, and certainly, the end can be understood as well as provided with a displacement sensor to obtain the displacement data of the laser emitter.
As shown in fig. 3, the guide rail member includes a polish rod 15 disposed between the top plate 10 and the bottom plate 12, and the ray member 5 is provided with a through hole to be fitted with the polish rod 15. The polished rod 15 is provided with two, and the ray part 5 is provided with two through holes. Through the cooperation of polished rod and through-hole, avoid laser emitter to take place to rotate at the removal in-process.
Based on above-mentioned hot extension experimental apparatus, the utility model also provides a hot extension experimental facilities, equipment is provided with chamber door 6, be provided with observation window 7 on the chamber door 6, the thermal-insulated transparent glass of installation on the observation window, the observation of being convenient for.
The terminal surface still is provided with control panel 8 before the equipment, through control panel, can the control motor, then drives the lead screw, drives laser emitter at last and removes, and control panel can carry out the record to laser emitter's displacement condition. And a temperature sensor is also arranged in the aging box 4 and used for acquiring the temperature in the aging box.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (10)
1. The utility model provides a cable insulation cover thermal extension experimental apparatus which characterized in that includes: the device comprises an aging box, a guide rail component, a ray component and a driving unit;
the ray component is arranged in the aging box and parallel to the insulating sleeve, the ray component is connected with the guide rail component in a sliding mode, the driving unit drives the ray component to move along the guide rail component, and the ray component emits light to the insulating sleeve.
2. The cable insulation sheath thermal extension experimental device according to claim 1, wherein the aging box has a box top plate and a box bottom plate, the driving unit comprises a motor arranged on the box top plate and a screw rod arranged between the box top plate and the box bottom plate, the ray part is connected with a first flange, and the first flange is in threaded fit with the screw rod.
3. The cable insulation jacket thermal extension experimental apparatus of claim 2, wherein the guide rail member comprises a polish rod disposed between the top and bottom plates of the box, and the ray member is provided with a through hole engaged with the polish rod.
4. The cable insulation jacket thermal extension experimental apparatus of claim 3, wherein said polish rod is provided with two, and said ray member is provided with two through holes.
5. The cable jacket thermal extension test apparatus of claim 1, wherein said radiation member is a laser emitter.
6. The cable insulation jacket thermal extension experimental apparatus of claim 5, wherein said laser emitter has a radiation port facing the insulation jacket.
7. A thermal extension test apparatus comprising the cable insulation jacket thermal extension test device according to any one of claims 1 to 6.
8. The thermal extension laboratory apparatus of claim 7, wherein said apparatus is provided with a chamber door, said chamber door being provided with a viewing window.
9. The thermal extension experimental apparatus of claim 7, wherein the apparatus front face is provided with a control panel.
10. The thermal extension experimental apparatus of claim 7, wherein a temperature sensor is disposed in the aging box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771415.1U CN218629331U (en) | 2022-10-20 | 2022-10-20 | Cable insulation cover thermal extension experimental device and thermal extension experimental equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222771415.1U CN218629331U (en) | 2022-10-20 | 2022-10-20 | Cable insulation cover thermal extension experimental device and thermal extension experimental equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218629331U true CN218629331U (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222771415.1U Active CN218629331U (en) | 2022-10-20 | 2022-10-20 | Cable insulation cover thermal extension experimental device and thermal extension experimental equipment |
Country Status (1)
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| CN (1) | CN218629331U (en) |
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2022
- 2022-10-20 CN CN202222771415.1U patent/CN218629331U/en active Active
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