CN214427179U - Cable material low temperature elongation testing arrangement - Google Patents
Cable material low temperature elongation testing arrangement Download PDFInfo
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- CN214427179U CN214427179U CN202120655302.8U CN202120655302U CN214427179U CN 214427179 U CN214427179 U CN 214427179U CN 202120655302 U CN202120655302 U CN 202120655302U CN 214427179 U CN214427179 U CN 214427179U
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- rack
- lead screw
- clamp
- cable material
- seat
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Abstract
The utility model discloses a cable material low temperature elongation testing arrangement, including the rack, one side at rack top is provided with left holder, and the opposite side is provided with right holder, left holder is fixed on the rack, right holder through two slide rail structure sliding connection side by side on the rack, be provided with the lead screw between two slide rail structure, the lead screw pass through the screw thread with right holder is connected, the one end of lead screw rotates with the lead screw seat to be connected, the other end and the drive shaft fixed connection of driving motor, lead screw seat and driving motor all fix on the rack; the left clamp and the right clamp are arranged on opposite surfaces of the left clamping seat and the right clamping seat respectively, a worm wheel and a worm which are matched with each other are arranged in the left clamping seat, a hand wheel is arranged at the outer end of the worm, and the worm wheel is connected with the left clamp through a rotating shaft. The utility model discloses can test out the percentage elongation of cable material under the distortion state for the test result is more accurate.
Description
Technical Field
The utility model relates to a power cable field especially relates to a cable material low temperature elongation testing arrangement.
Background
The low-temperature tensile property of the cable material after being made into the sheath layer is an important property required to be considered in the cable manufacturing industry, and the cable sheath is poor in low-temperature property and often causes cracking of the cable during laying under the low-temperature condition.
At present, cable plastic manufacturers generally evaluate the low-temperature performance of cable plastic by testing the low-temperature embrittlement performance of the cable plastic, the elongation of the cable material is tested in a flat-drawing mode in the current market for testing the low-temperature elongation of the cable material, but the cable often has a cable distortion condition in the production, processing, laying and using processes, and the low-temperature elongation of the cable material tested in the flat-drawing mode comes out of the actual use condition and cannot reflect the actual elongation of the cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cable material low temperature elongation testing arrangement solves the problem that current testing arrangement can not test the cable material elongation under the torsional mode.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a cable material low temperature elongation testing arrangement, including the rack, one side at rack top is provided with left holder, and the opposite side is provided with right holder, left holder is fixed on the rack, right holder through two slide rail structure sliding connection side by side on the rack, be provided with the lead screw between two slide rail structure, the lead screw pass through the screw thread with right holder is connected, the one end of lead screw rotates with the lead screw seat to be connected, the other end and driving motor's drive shaft fixed connection, lead screw seat and driving motor all fix on the rack;
the left clamp and the right clamp are arranged on opposite surfaces of the left clamping seat and the right clamping seat respectively, a worm wheel and a worm which are matched with each other are arranged in the left clamping seat, a hand wheel is arranged at the outer end of the worm, and the worm wheel is connected with the left clamp through a rotating shaft.
Furthermore, the left clamp comprises a cylindrical clamp, a clamp hole is formed in one end of the cylindrical clamp, a pressing plate is arranged in the clamp hole, the pressing plate is rotatably connected with a knob above the pressing plate, and the knob is connected to the cylindrical clamp through threads.
Further, the right clamp and the left clamp are identical in structure.
Furthermore, the slide rail structure includes the slide bar, sliding connection has the slide on the slide bar, the slide with right holder fixed connection, the both ends of slide bar are fixed through the slide bar seat on the rack.
Furthermore, the cylindrical chuck and the sliding seat are both provided with scale indication marks.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model discloses can test out the percentage elongation of cable material under the distortion state for the test result is more accurate.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a front view of the low-temperature elongation testing device for cable material of the present invention;
fig. 2 is a top view of the cable material low-temperature elongation testing device of the present invention;
fig. 3 is a partially enlarged view of a portion a of fig. 1.
Description of reference numerals: 1. a rack; 2. a left clamping seat; 3. a right clamping seat; 4. a slide rail structure; 401. a slide bar; 402. a slide base; 403. a slide bar seat; 5. a screw rod; 6. a lead screw seat; 7. a drive motor; 8. a left clamp; 801. a cylindrical collet; 802. a clamping hole; 803. pressing a plate; 804. a knob; 9. a right clamp; 10. a turbine; 11. a worm; 12. a hand wheel; 13. scale indication marks; 14. and (4) cable material.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the embodiment discloses a low-temperature elongation testing device for cable materials, which comprises a rack 1, wherein a left clamping seat 2 is arranged on one side of the top of the rack 1, a right clamping seat 3 is arranged on the other side of the top of the rack 1, the left clamping seat 2 is fixed on the rack 1, the right clamping seat 3 is connected to the rack 1 through two side-by-side sliding rail structures 4 in a sliding manner, a lead screw 5 is arranged between the two sliding rail structures 4, the lead screw 5 is connected with the right clamping seat 3 through threads, one end of the lead screw 5 is rotatably connected with a lead screw seat 6, the other end of the lead screw is fixedly connected with a driving shaft of a driving motor 7, and the lead screw seat 6 and the driving motor 7 are both fixed on the rack 1. The drive motor 7 can be a stepping motor or a servo motor.
The opposite surfaces of the left clamping seat 2 and the right clamping seat 3 are respectively provided with a left clamp 8 and a right clamp 9, the left clamping seat 2 is internally provided with a turbine 10 and a worm 11 which are matched with each other, the outer end of the worm 11 is provided with a hand wheel 12, and the turbine 10 is connected with the left clamp 8 through a rotating shaft.
As shown in fig. 3, the left clamp 8 includes a cylindrical clamp 801, a clamp hole 802 is formed at one end of the cylindrical clamp 801, a pressing plate 803 is arranged in the clamp hole 802, the pressing plate 803 is rotatably connected with a knob 804 above, and the knob 804 is connected to the cylindrical clamp 801 through threads. In the present embodiment, the right clamp 9 has the same structure as the left clamp 8, and the right clamp 9 is fixed to the right holder 3 by bolts.
The slide rail structure 4 comprises a slide bar 401, a slide base 402 is connected to the slide bar 401 in a sliding manner, the slide base 402 is fixedly connected to the right clamping base 3, and two ends of the slide bar 401 are fixed on the rack 1 through slide bar bases 403.
The cylindrical chuck 801 and the sliding seat 402 are both provided with scale indication marks 13, a length scale corresponding to the scale indication marks 13 is arranged below the sliding seat 402, and the left chuck 2 is provided with rotation angle scales corresponding to the scale indication marks 13.
The utility model discloses a use:
the ends of the cable material 14 are inserted into the clamping holes 802 of the left and right clamps 8 and 9, respectively, and the knob 804 is rotated to press the pressing plate 803 against the cable material 14. The handwheel 12 is rotated to drive the left cylindrical chuck 801 to rotate through the worm wheel 10 and the worm 11, and the rotating angle of the scale indication mark 13 on the cylindrical chuck 801 is the twisting angle of the cable material 14. And starting a driving motor 7, driving the sliding seat 402 to slide along the sliding rod 401 through the screw rod 5, wherein the horizontal movement distance of the scale indication marks 13 on the sliding seat 402 is the extension length of the cable material 14. And repeating the operation to measure the elongation of the cable material under different torsion angles.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (5)
1. The utility model provides a cable material low temperature elongation testing arrangement which characterized in that: the clamping device comprises a rack (1), wherein a left clamping seat (2) is arranged on one side of the top of the rack (1), a right clamping seat (3) is arranged on the other side of the top of the rack (1), the left clamping seat (2) is fixed on the rack (1), the right clamping seat (3) is connected to the rack (1) in a sliding mode through two parallel sliding rail structures (4), a lead screw (5) is arranged between the two sliding rail structures (4), the lead screw (5) is connected with the right clamping seat (3) through threads, one end of the lead screw (5) is rotatably connected with a lead screw seat (6), the other end of the lead screw is fixedly connected with a driving shaft of a driving motor (7), and the lead screw seat (6) and the driving motor (7) are both fixed on the rack (1);
be provided with left anchor clamps (8), right anchor clamps (9) on the opposite face of left side holder (2) and right holder (3) respectively, be provided with turbine (10), worm (11) of mutually supporting in left side holder (2), the outer end of worm (11) is provided with hand wheel (12), turbine (10) through the pivot with left side anchor clamps (8) are connected.
2. The cable material low-temperature elongation testing device according to claim 1, characterized in that: the left clamp (8) comprises a cylindrical clamp head (801), a clamp hole (802) is formed in one end of the cylindrical clamp head (801), a pressing plate (803) is arranged in the clamp hole (802), the pressing plate (803) is rotatably connected with a knob (804) above the pressing plate, and the knob (804) is connected to the cylindrical clamp head (801) through threads.
3. The cable material low-temperature elongation testing device according to claim 2, characterized in that: the right clamp (9) and the left clamp (8) are identical in structure.
4. The cable material low-temperature elongation testing device according to claim 2, characterized in that: slide rail structure (4) include slide bar (401), sliding connection has slide (402) on slide bar (401), slide (402) with right side holder (3) fixed connection, slide bar (401) both ends are passed through slide bar seat (403) and are fixed on rack (1).
5. The cable material low-temperature elongation testing device according to claim 4, characterized in that: and the cylindrical chuck (801) and the sliding seat (402) are both provided with scale indication marks (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655302.8U CN214427179U (en) | 2021-03-31 | 2021-03-31 | Cable material low temperature elongation testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120655302.8U CN214427179U (en) | 2021-03-31 | 2021-03-31 | Cable material low temperature elongation testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214427179U true CN214427179U (en) | 2021-10-19 |
Family
ID=78076002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120655302.8U Active CN214427179U (en) | 2021-03-31 | 2021-03-31 | Cable material low temperature elongation testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214427179U (en) |
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2021
- 2021-03-31 CN CN202120655302.8U patent/CN214427179U/en active Active
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