CN215296995U - High-efficiency easy-to-operate cable insulation thermal extension test device - Google Patents
High-efficiency easy-to-operate cable insulation thermal extension test device Download PDFInfo
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- CN215296995U CN215296995U CN202121258954.4U CN202121258954U CN215296995U CN 215296995 U CN215296995 U CN 215296995U CN 202121258954 U CN202121258954 U CN 202121258954U CN 215296995 U CN215296995 U CN 215296995U
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Abstract
The utility model discloses an insulating hot extension test device of cable of easy operation of high efficiency, including the box, be equipped with a pair of cross arm on the inside wall of box, placed a plurality of mounted frames between two cross arms, slidable is equipped with a plurality of groups respectively on the every mounted frame and is used for pressing from both sides tight sample and measure the self-holding formula anchor clamps of ruler, and the bottom of sample accompanies and hangs the tray and carry out the counter weight. The utility model discloses can only accomplish three sample by traditional one time test and increase to a test and can accomplish six at least samples, increased a test sample quantity, reduce the number of times that the hot extension oven door of switch, reduce the temperature variation, improve experimental accuracy and work efficiency, through changing sample anchor clamps, ensure that the sample can not drop, through using portable measurement ruler, make the ruler can be along with experimenter's observation custom adjustment position, reduce the production of looking the error, thereby improve reading accuracy and improve experimental accuracy.
Description
Technical Field
The utility model relates to a cable thermal extension test equipment field especially relates to a cable insulation thermal extension test device of easy operation of high efficiency.
Background
The thermal extension test of cable insulation is the sampling test in the national standard, also is some in the type test, in many cable inspection projects, the thermal extension test is the inspection project that often will do, and this test time is longer, and traditional cable thermal extension test device generally adds three sets of suspension clamp for a test bench, once can only accomplish the test of three sample to suspension clamp adopts the screw-up formula, the condition that the anchor clamps drop after often can taking place to be heated, and it is extremely inconvenient to operate, influences work efficiency.
The thermal extension test has strict requirements on temperature, the traditional cable thermal extension test device can only complete the test of three samples at a time, and when the number of the samples is increased, a thermal extension test oven is frequently switched on and off, so that the temperature is greatly influenced, and the accuracy of test data is influenced. Because of the hot extension is experimental to come the reading result through the ruler on people's eye identification test frame, the ruler rigidity of traditional cable hot extension test device, and the observation window through hot extension test oven is difficult for the reading, or because of ruler position is improper, produces visual error easily, influences the accuracy of experimental data.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides an easy cable insulation thermal extension test device of operating of high efficiency has the advantage that efficiency of software testing is high, the test result accuracy is high.
The technical scheme of the utility model as follows:
a high-efficiency easy-operation cable insulation thermal extension test device comprises a box body, a pair of cross arms are arranged on two opposite inner side walls of the box body, a plurality of suspension brackets are arranged between the two cross arms, a plurality of groups of self-clamping type clamps are slidably arranged on each suspension bracket respectively, wherein, the self-clamping type clamp can select a spring clamp or other clamps with restoring force and capable of always keeping a clamping state, because the temperature in the hot extension test oven is higher, the sample can become soft and thin along with the rise of the temperature, the self-clamping type clamp can continuously keep clamping along with the change of the thickness of the sample, and centre gripping convenient operation, every group is from clamp type anchor clamps include a pair of sample anchor clamps that are used for pressing from both sides tight sample both ends respectively and a ruler anchor clamps that are used for pressing from both sides tight measurement ruler, press from both sides tight sample bottom be connected with the tray that hangs on the sample anchor clamps, the counter weight has been placed to hanging in the tray.
The working principle of the technical scheme is as follows:
through set up multirow cross bar formula mounted frame, a plurality of slidable from clamp type anchor clamps, a plurality of slidable measure ruler, a plurality of tray that hangs in hot extension test oven to will from clamp type anchor clamps, measure ruler and hang the tray and divide into two row at least and hang perpendicularly on multirow cross bar formula mounted frame, increase the sample quantity of once experiment, reduce the switch oven door number of times, reduce the influence of temperature to the experiment, improved work efficiency simultaneously. From clamp type anchor clamps can grasp dumbbell type sample perpendicularly and fix it on multirow cross bar formula mounted frame, should be difficult for droing and convenient operation is swift from clamp type anchor clamps centre gripping sample, hangs the same perpendicular centre gripping of tray in dumbbell type sample lower part, plays the counter weight effect, and the position of measuring the ruler can be adjusted wantonly in sample anchor clamps both sides, and convenient more accurate reading reduces the influence of visual error to experimental accuracy.
This kind of hot extension test device can only accomplish three sample by traditional one-time test and increase to once experimental six at least samples of can accomplishing, increase test sample quantity once through using multirow crossbar hanger, reduce the number of times of the hot extension oven door of switch, reduce the temperature variation, improve experimental accuracy and work efficiency, through changing the sample anchor clamps, change into from the clamp type anchor clamps by traditional screw tightening formula, it can not drop to guarantee the sample from the clamp type centre gripping mode, from the clamp type anchor clamps easy operation simultaneously, high convenience and fastness, through using portable measurement ruler, make the ruler can be along with experimenter's observation custom adjusting position, reduce the production of looking the error, thereby improve reading accuracy and improve experimental accuracy.
In a further technical scheme, the mounted frame is cylinder type stainless steel material, and the solid stainless steel body of rod of cylinder type that the diameter is 1.5mm can specifically be selected for, and the texture is durable, and non-deformable buckles, and occupation space is little, from clamp type anchor clamps pass through linear bearing with the mounted frame is connected, and it is stable smooth and easy to slide, connects firmly and is difficult for droing.
In a further technical scheme, the distance between two adjacent hangers is greater than the twice of the diameter of the hanging tray, so that enough gaps exist between two rows of samples, the samples are prevented from being collided with each other, observation on a measuring ruler is not influenced, and the accuracy of a test result is ensured.
In a further technical scheme, grooves used for containing two end portions of the hanging frame are formed in the two cross arms respectively, the hanging frame is directly placed on the two cross arms in the mode, the position is limited through the grooves, the hanging frame is placed to roll, the test is influenced, the hanging frame is conveniently taken out in the mode, the hanging setting of the sample can be completed outside the oven, and the hanging efficiency of the sample is higher.
In a further technical scheme, two ends of the suspension frame are detachably connected with the two cross arms respectively, the suspension frame is more stable in position, and the situation that the position of the suspension frame is moved to influence the test process in the test process can be effectively prevented.
In a further technical scheme, each suspension bracket is provided with a limiting ring made of rubber materials between two adjacent sets of self-clamping type fixtures in a sleeved mode, the limiting rings are made of rubber materials, free sliding on the suspension brackets is guaranteed, certain friction force is achieved, the self-clamping type fixtures can be limited through the limiting rings, and the situation that the self-clamping type fixtures slide in the test process to influence the test process is avoided.
The utility model has the advantages that:
1. the utility model discloses a hot extension test device can only accomplish three samples by traditional one time test and increase to one time test and can accomplish six at least samples, increases one time test sample quantity through using multirow crossbar-type mounted frame, reduces the number of times of switch hot extension oven door, reduces temperature variation, improves test accuracy and work efficiency;
2. the utility model changes the sample clamp from the traditional screw tightening type to the self-clamping type clamp, the self-clamping mode ensures that the sample can not fall off, and the self-clamping type clamp is easy to operate, convenient and fast;
3. the utility model uses the movable measuring ruler, so that the position of the ruler can be adjusted along with the observation habit of the tester, the generation of visual error is reduced, and the reading accuracy is improved, thereby improving the test accuracy;
4. the suspension bracket adopts a cylindrical solid stainless steel rod body, is firm in texture, is not easy to deform and bend, occupies small space, is connected with the suspension bracket through a linear bearing, slides stably and smoothly, and is stably connected and not easy to fall off;
5. the distance between two adjacent suspension brackets is more than twice of the diameter of the suspension tray, so that enough clearance exists between two rows of samples, the collision influence between the samples is prevented, the observation on the measuring ruler is not influenced, and the accuracy of a test result is ensured;
6. the hanging frame can be directly placed in the grooves on the two cross arms or detachably connected with the two cross arms, so that the hanging frame is convenient to take out, the hanging arrangement of the sample can be completed outside the oven, the hanging efficiency of the sample is higher, and meanwhile, the situation that the position of the hanging frame is moved to influence the test process in the test process can be effectively prevented;
7. be equipped with the spacing ring of rubber materials between two sets of adjacent self-holding formula anchor clamps respectively, the accessible spacing ring is spacing to self-holding formula anchor clamps, prevents that it from appearing sliding and influencing the condition of test process in the experimentation.
Drawings
Fig. 1 is an internal front view of a cable insulation thermal extension test apparatus according to an embodiment of the present invention;
fig. 2 is an internal top view of the cable insulation thermal extension test apparatus according to the embodiment of the present invention.
Description of reference numerals:
10. a box body; 11. a suspension bracket; 12. a ruler clamp; 13. hanging the tray; 14. measuring a ruler; 15. a cross arm; 16. a sample clamp; 20. and (4) sampling.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
Example (b):
as shown in fig. 1-2, a cable insulation thermal extension testing device with high efficiency and easy operation comprises a box 10, a pair of cross arms 15 are arranged on two opposite inner side walls of the box 10, a plurality of suspension frames 11 are arranged between the two cross arms 15, each suspension frame 11 is respectively provided with a plurality of groups of self-clamping type clamps in a sliding manner, wherein the self-clamping type clamps can be spring clamps or other clamps with restoring force and capable of always keeping a clamping state, because the temperature in a thermal extension testing oven is high, a sample 20 can become soft and thin along with the rise of the temperature, the self-clamping type clamps can continuously keep clamping along with the thickness change of the sample 20, the clamping operation is convenient, each group of self-clamping type clamps comprises a pair of sample clamps 16 respectively used for clamping two ends of the sample 20 and a ruler clamp 12 used for clamping a measuring ruler 14, according to personal use habits, the positions of the self-clamping type clamp and the measuring ruler 14 are adjusted and fixed, the front row and the rear row are not mutually shielded, the oven observation window is penetrated, the reading is convenient, a hanging tray 13 is connected to the sample clamp 16 at the bottom end of the clamping sample 20, and a balance weight is placed in the hanging tray 13.
The working principle of the technical scheme is as follows:
through set up multirow crossbar-type mounted frame 11 in hot extension experimental oven, a plurality of slidable are from clamp type anchor clamps, a plurality of slidable measure ruler 14, a plurality of tray 13 that hangs, and will be from clamp type anchor clamps, measure ruler 14 and hang tray 13 and divide into two rows at least and hang perpendicularly on multirow crossbar-type mounted frame 11, increase the sample 20 quantity of once experiment, reduce the switch oven door number of times, reduce the influence of temperature to the experiment, and the work efficiency has been improved simultaneously. From clamp type anchor clamps can grasp dumbbell type sample 20 perpendicularly and fix it on multirow cross-bar formula hanger bracket 11, should be difficult for droing and convenient operation is swift from clamp type anchor clamps centre gripping sample 20, hangs tray 13 same perpendicular centre gripping in dumbbell type sample 20 lower part, plays the counter weight effect, and the position of measuring ruler 14 can be adjusted wantonly in sample anchor clamps 16 both sides, convenient more accurate reading, reduces the influence of visual error to experimental accuracy.
This kind of hot extension test device can only accomplish three sample 20 by traditional one-time test and increase to a test and can accomplish six at least sample 20, increase a test sample 20 quantity through using multirow cross bar formula mounted frame 11, reduce the number of times of the hot extension oven door of switch, reduce the temperature variation, improve experimental accuracy and work efficiency, through changing sample anchor clamps 16, change into from the clamp type anchor clamps by traditional screw tightening formula, sample 20 can not drop is ensured from the clamp type centre gripping mode of clamp, from the clamp type anchor clamps easy operation simultaneously, and is convenient and fast, through using portable measurement ruler 14, make the ruler can be along with experimenter's observation custom adjustment position, reduce the production of visual error, thereby improve reading accuracy and improve experimental accuracy.
In another embodiment, the suspension bracket 11 is made of a cylindrical stainless steel material, and specifically, a cylindrical solid stainless steel rod body with a diameter of 1.5mm can be selected, so that the suspension bracket is firm in texture, not prone to deformation and bending, and small in occupied space, and the self-clamping type clamp is connected with the suspension bracket 11 through a linear bearing, so that the sliding is stable and smooth, and the connection is stable and not prone to falling off.
In another embodiment, the distance between two adjacent suspension brackets 11 is greater than twice the diameter of the suspension tray 13, so that a sufficient gap exists between two rows of test samples 20 to prevent the test samples from colliding with each other, and meanwhile, the observation of the measuring ruler 14 is not influenced, and the accuracy of the test result is ensured.
In another embodiment, the two cross arms 15 are respectively provided with a groove for accommodating two end portions of the suspension bracket 11, the suspension bracket 11 is directly placed on the two cross arms 15, the position is limited by the grooves, the suspension bracket 11 is placed to roll to influence the test, the suspension bracket 11 is conveniently taken out by the method, the hanging arrangement of the sample 20 can be completed outside the oven, and the hanging efficiency of the sample 20 is higher.
In another embodiment, two ends of the suspension bracket 11 are detachably connected with the two cross arms 15 respectively, so that the position of the suspension bracket 11 is more stable, and the situation that the position of the suspension bracket 11 is moved to influence the test process in the test process can be effectively prevented.
In another embodiment, a rubber limiting ring is sleeved between two adjacent sets of self-clamping fixtures on each suspension frame 11, the limiting ring is made of rubber, so that the rubber limiting ring can freely slide on the suspension frame 11 and has a certain friction force, the self-clamping fixtures can be limited by the limiting ring, and the situation that the self-clamping fixtures slide in the test process to influence the test process is prevented.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides an insulating hot extension test device of cable of easy operation of high efficiency, includes the box, its characterized in that, be equipped with a pair of cross arm on two relative inside walls of box, two a plurality of mounted frames have been placed between the cross arm, every slidable is equipped with a plurality of groups from clamp type anchor clamps respectively on the mounted frame, and every group includes a pair of sample anchor clamps that are used for pressing from both sides tight sample both ends respectively and a ruler anchor clamps that are used for pressing from both sides tight measurement ruler, presss from both sides tight sample bottom be connected with the tray that hangs on the sample anchor clamps, the counter weight has been placed in the tray that hangs.
2. The high efficiency easy to operate cable insulation thermal extension test apparatus of claim 1, wherein the suspension bracket is made of cylindrical stainless steel material, and the self-clamping fixture is connected with the suspension bracket through a linear bearing.
3. A high efficiency, easy to handle cable insulation thermal extension test apparatus according to claim 1 or 2, wherein the distance between two adjacent suspension brackets is greater than twice the diameter of the suspension tray.
4. The efficient and easy-to-operate cable insulation thermal extension test device according to claim 3, wherein the two cross arms are respectively provided with a groove for accommodating two end portions of the suspension bracket.
5. The efficient and easy-to-operate cable insulation thermal extension test device according to claim 3, wherein two ends of the suspension bracket are detachably connected with the two cross arms respectively.
6. The high-efficiency easy-to-operate cable insulation thermal extension test device according to claim 1, wherein a rubber material limiting ring is sleeved on each suspension frame between two adjacent groups of self-clamping clamps respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121258954.4U CN215296995U (en) | 2021-06-07 | 2021-06-07 | High-efficiency easy-to-operate cable insulation thermal extension test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121258954.4U CN215296995U (en) | 2021-06-07 | 2021-06-07 | High-efficiency easy-to-operate cable insulation thermal extension test device |
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| CN215296995U true CN215296995U (en) | 2021-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115753443A (en) * | 2022-12-05 | 2023-03-07 | 杭州应敏科技有限公司 | Tool for thermal extension test and thermal extension test device |
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2021
- 2021-06-07 CN CN202121258954.4U patent/CN215296995U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115753443A (en) * | 2022-12-05 | 2023-03-07 | 杭州应敏科技有限公司 | Tool for thermal extension test and thermal extension test device |
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