CN110887752B - Wire and cable bending test device - Google Patents
Wire and cable bending test device Download PDFInfo
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- CN110887752B CN110887752B CN201911261740.XA CN201911261740A CN110887752B CN 110887752 B CN110887752 B CN 110887752B CN 201911261740 A CN201911261740 A CN 201911261740A CN 110887752 B CN110887752 B CN 110887752B
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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
- G01N3/32—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces
- G01N3/38—Investigating strength properties of solid materials by application of mechanical stress by applying repeated or pulsating forces generated by electromagnetic means
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0005—Repeated or cyclic
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0023—Bending
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/005—Electromagnetic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables
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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)
- Electromagnetism (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses a wire and cable bending test device which comprises a rack, wherein a round table is fixed on the rack, a first fixed ejector block and a second fixed ejector block are fixed on the round table, a first movable ejector block and a second movable ejector block are arranged on the round table, the first movable ejector block and the second movable ejector block are provided with driving mechanisms for driving the first fixed ejector block and the second fixed ejector block to be away from or close to each other, a wire and cable to be tested is sleeved between the first fixed ejector block and the second fixed ejector block, one end of the wire and cable is fixed on a fixed seat, the fixed seat is fixed on the round table, the other end of the wire and cable is fixed on a movable seat, the movable seat is hinged with a hinged seat fixed on the outer wall of an inner gear ring, the inner gear ring is hinged on the round table, a servo motor is fixed on the round table, and a driving gear is fixed on the servo motor and is meshed with the inner gear ring. The invention can carry out multi-point bending test on the electric wire and the electric cable, can adjust the bending part of the electric wire and the electric cable, and has convenient operation and strong stability.
Description
The technical field is as follows:
the invention relates to the technical field of cable and wire testing, in particular to a wire and cable bending testing device.
Background art:
the wire and cable is used for transmitting electric (magnetic) energy, information and realizing wire products of electromagnetic energy conversion, the wire and cable comprises a plurality of insulated wire cores, and a coating layer, a total protective layer and an outer protective layer which may be respectively arranged on the insulated wire cores and the insulated wire and cable, and the wire and cable also can be provided with additional conductors without insulation. The wire rod product is used for transmitting electric (magnetic) energy, information and realizing electromagnetic energy conversion. The electric wire and cable need to have higher bending strength, prevent that electric wire and cable from causing the damage of wire or insulator because of tensile or bending when using, therefore, electric wire and cable need sample in research and development and production process and carry out bending test to electric wire and cable to detect electric wire and cable after the bending wire or insulator damage degree, however, present electric wire and cable bending test machine structure is comparatively complicated, and is expensive, and the operation is loaded down with trivial details, and test stability is relatively poor, and can only carry out bending test to same position.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a wire and cable bending test device which can perform multipoint bending test on wires and cables, can adjust the bending part of the wires and cables, and is convenient to operate and strong in stability.
The scheme for solving the technical problems is as follows:
the utility model provides a wire and cable bending test device, includes the frame, be fixed with the round platform in the frame, be fixed with first fixed kicking block and the fixed kicking block of second that bilateral symmetry set up on the preceding lateral wall of round platform, the left side of first fixed kicking block is equipped with first movable kicking block, and the right side of the fixed kicking block of second is equipped with second movable kicking block, and first movable kicking block and the bilateral symmetry of second movable kicking block set up, first movable kicking block and second movable kicking block are equipped with the actuating mechanism that orders about it to keep away from each other or be close to each other, the shaping has first interior "U" type groove on the outer wall of first fixed kicking block, and the shaping has second interior "U" type groove on the outer wall of second fixed kicking block, and the shaping has second exterior "U" type groove on the outer wall of first movable kicking block, and the articulated passageway that forms between first interior "U" type groove and the second interior "U" type groove and cup jointed the electric wire and cable, and cable one end of hinged joint is fixed on the fixing base, and motor control motor shaft, and motor control the bearing and motor control the bearing are articulated on the outer wall of the round platform, and motor control bearing, the servo motor control bearing is articulated on the fixing base.
The driving mechanism comprises a double-shaft motor fixed on the rear side wall of the circular table, a first screw and a second screw are fixed on output shafts at two ends of the double-shaft motor respectively, the rotation direction of the first screw and the rotation direction of the second screw are opposite, the first screw is in threaded connection with a first sliding block, the first sliding block penetrates through the end part of a left rectangular groove of the circular table and is fixedly connected with a first movable jacking block, the second screw is in threaded connection with a second sliding block, the second sliding block penetrates through the end part of a right rectangular groove of the circular table and is fixedly connected with a second movable jacking block, a first guide rod is fixed on the first fixed jacking block, and the first guide rod is inserted and sleeved on the first guide rod
On the activity kicking block, be fixed with the second guide bar on the fixed kicking block of second, the second guide bar plug bush is on the second activity kicking block, biax motor and controlling means electric connection.
The fixing seat is formed with a first thread hole for sleeving the wire and cable and a first thread through hole communicated with the first thread hole, a first fastening screw is screwed in the first thread through hole, and the end part of the first fastening screw is pressed on the outer wall of the wire and cable.
The movable seat is formed with a second wire hole for sleeving the wire cable and a second threaded through hole communicated with the second wire hole, a second fastening screw is screwed in the second threaded through hole, and the end part of the second fastening screw is pressed on the outer wall of the wire cable; the movable seat is formed with a mandrel, and the mandrel is hinged in a hinge hole of the hinge seat through a second bearing.
The cross section of the hinge hole is I-shaped, the number of the second bearings is two, and the two second bearings are respectively fixed at two ends of the hinge hole; and the mandrel penetrates through the end parts of the two second bearings, and a stop block is fixed and pressed against the end surface of the inner ring of the second bearing at the rear side.
The invention has the following outstanding effects: compared with the prior art, the multi-point bending test device can be used for carrying out multi-point bending test on the electric wire and the electric cable, can be used for adjusting the bending position of the electric wire and the electric cable, and is convenient to operate and strong in stability.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a left side view of the present invention;
fig. 4 is a view of fig. 3 taken in the direction of B.
The specific implementation mode is as follows:
in an embodiment, as shown in fig. 1 to 4, an electric wire and cable bending test device includes a frame 11, a circular table 12 is fixed on the frame 11, a first fixed top block 13 and a second fixed top block 14 are fixed on a front side wall of the circular table 12 and are arranged in bilateral symmetry, a first movable top block 15 is arranged on a left side of the first fixed top block 13, a second movable top block 16 is arranged on a right side of the second fixed top block 14, the first movable top block 15 and the second movable top block 16 are arranged in bilateral symmetry, the first movable top block 15 and the second movable top block 16 are provided with a driving mechanism for driving the first movable top block and the second movable top block to move away from or close to each other, a first inner U-shaped groove 131 is formed on an outer wall of the first fixed top block 13, a second inner U-shaped groove 141 is formed on an outer wall of the second fixed top block 14, a first outer U-shaped groove 151 is formed on an outer wall of the first movable top block 15, a second outer U-shaped groove 161 is formed in the outer wall of the second movable top block 16, a wire and cable 17 to be tested is sleeved in a channel formed between the first inner U-shaped groove 131 and the second inner U-shaped groove 141, one end of the wire and cable 17 is fixed on the fixed seat 18, the fixed seat 18 is fixed on the front side wall of the circular table 12, the other end of the wire and cable 17 is fixed on the movable seat 19, the movable seat 19 is hinged on the hinged seat 20, the hinged seat 20 is fixed on the outer wall of the inner gear ring 21, the inner side wall of the inner gear ring 21 is hinged on the outer wall of the circular table 12 through the first bearing 22, the circular table 12 is fixed with the servo motor 23, a driving gear 24 is fixed on a motor shaft of the servo motor 23, the driving gear 24 is meshed with the inner gear ring 21, a control device 25 is arranged on the frame 11, and the control device 25 is electrically connected with the servo motor 23.
Furthermore, the driving mechanism comprises a double-shaft motor 26 fixed on the rear side wall of the circular truncated cone 12, a first screw 27 and a second screw 28 are respectively fixed on output shafts at two ends of the double-shaft motor 26, the rotating direction of the first screw 27 is opposite to that of the second screw 28,
the first screw 27 is screwed with the first slider 29, the first slider 29 passes the end of the left rectangular groove 121 of the circular truncated cone 12 and is fixedly connected with the first movable ejector block 15, the second screw 28 is screwed with the second slider 30, the second slider 30 passes the end of the right rectangular groove 122 of the circular truncated cone 12 and is fixedly connected with the second movable ejector block 16, the first fixed ejector block 13 is fixed with the first guide rod 31, the first guide rod 31 is inserted and sleeved on the first movable ejector block 15, the second fixed ejector block 14 is fixed with the second guide rod 32, the second guide rod 32 is inserted and sleeved on the second movable ejector block 16, and the double-shaft motor 26 is electrically connected with the control device 25.
Furthermore, the fixing seat 18 is formed with a first thread hole for receiving the electric wire 17 and a first threaded through hole communicated with the first thread hole, the first threaded through hole is internally threaded with a first fastening screw 33, and an end of the first fastening screw 33 is pressed against the outer wall of the electric wire 17.
Furthermore, the movable seat 19 is formed with a second thread hole for sleeving the electric wire 17 and a second thread through hole communicated with the second thread hole, a second fastening screw 34 is screwed in the second thread through hole, and the end of the second fastening screw 34 is pressed against the outer wall of the electric wire 17; the movable seat 19 is formed with a mandrel 191, and the mandrel 191 is hinged in the hinge hole 201 of the hinge seat 20 through the second bearing 35.
Furthermore, the cross section of the hinge hole 201 is in an i shape, two second bearings 35 are provided, and the two second bearings 35 are respectively fixed at two ends of the hinge hole 201; the spindle 191 has a stopper 36 fixed through the ends of the two second bearings 35, and the stopper 36 presses against the end surface of the inner ring of the second bearing 35 on the rear side.
The working principle is as follows: first, one end of the electric wire 17 is inserted into the fixing seat 18, and
tightening the first fastening screw 33, thereby fixing one end of the electric wire 17 to the fixing base 18; secondly, the other end of the electric wire 17 is inserted into the movable seat 19 through the channel formed between the first inner "U" shaped groove 131 and the second inner "U" shaped groove 141, and the second fastening screw 33 is tightened, so that the electric wire 17 is fixed on the movable seat 19, and at this time, the electric wire is in a tensioned state; thirdly, the control device 25 controls the servo motor 23 to rotate forward for a certain number of turns, the servo motor 23 drives the driving gear 24 to rotate, the driving gear 24 drives the inner gear ring 21 to rotate, the inner gear ring 21 drives the hinge seat 20 to rotate, the hinge seat 20 drives the movable seat 19 to rotate for a certain angle, the movable seat 19 drives the electric wire 17 to press against the first fixed top block 13 and the first movable top block 15 (as shown in the state of fig. 1), the control device 25 controls the servo motor 23 to rotate backward for a certain number of turns, the servo motor 23 drives the driving gear 24 to rotate backward, the driving gear 24 drives the inner gear ring 21 to rotate backward, the inner gear ring 21 drives the hinge seat 20 to rotate backward, the hinge seat 20 drives the movable seat 19 to rotate backward for the same angle, and the movable seat 19 drives the electric wire 17 to separate from the first fixed top block 13 and the first movable top block 15 and press against the second fixed top block 14 and the second movable top block 16, so as to-and-fro operation, and bending test is performed on the electric wire; the double-shaft motor 26 is started to drive the first screw 27 and the second screw 28 to rotate at the same direction and speed, the first screw 27 drives the first sliding block 29 to move, the second screw drives the second sliding block 30 to move, the first sliding block 29 and the second sliding block 30 are close to or far away from each other, the first sliding block 29 and the second sliding block 30 drive the first movable ejector block 15 and the second movable ejector block 16 to be close to or far away from each other respectively, and therefore the position of the electric wire 17 when being bent can be changed.
Finally, the above embodiments are merely illustrative, not restrictive,
various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention, and all equivalent technical solutions also fall within the scope of the invention, which is defined by the claims.
Claims (5)
1. A wire and cable bending test device comprises a machine frame (11), and is characterized in that: a round table (12) is fixed on the rack (11), a first fixed top block (13) and a second fixed top block (14) which are arranged in bilateral symmetry are fixed on the front side wall of the round table (12), a first movable top block (15) is arranged on the left side of the first fixed top block (13), a second movable top block (16) is arranged on the right side of the second fixed top block (14), the first movable top block (15) and the second movable top block (16) are arranged in bilateral symmetry, a driving mechanism for driving the first movable top block (15) and the second movable top block (16) to be away from or close to each other is arranged on the outer wall of the first fixed top block (13), a first inner U-shaped groove (131) is formed on the outer wall of the second fixed top block (14), a second inner U-shaped groove (141) is formed on the outer wall of the first movable top block (15), a first outer U-shaped groove (151) is formed on the outer wall of the second movable top block (16), a second outer U-shaped groove (161) is formed on the outer wall of the first movable top block (15), a cable channel (17) which is fixed on the front side wall of a fixed base (17) of a cable channel (17), and a cable channel (17) is fixed on the inner side wall of the round table (17), the movable seat (19) is hinged to the hinged seat (20), the hinged seat (20) is fixed to the outer wall of the inner gear ring (21), the inner side wall of the inner gear ring (21) is hinged to the outer wall of the circular table (12) through the first bearing (22), the circular table (12) is fixed with the servo motor (23), a driving gear (24) is fixed to the motor shaft of the servo motor (23), the driving gear (24) is meshed with the inner gear ring (21), the frame (11) is provided with the control device (25), and the control device (25) is electrically connected with the servo motor (23).
2. A wire and cable bending test apparatus according to claim 1, wherein: the driving mechanism comprises a double-shaft motor (26) fixed on the rear side wall of the circular truncated cone (12), a first screw rod (27) and a second screw rod (28) are fixed on output shafts of two ends of the double-shaft motor (26) respectively, the rotating direction of the first screw rod (27) and the rotating direction of the second screw rod (28) are opposite, the first screw rod (27) is connected with a first sliding block (29) in a threaded mode, the first sliding block (29) penetrates through the end portion of a left rectangular groove (121) of the circular truncated cone (12) and is fixedly connected with a first movable top block (15), the second screw rod (28) is connected with a second sliding block (30) in a threaded mode, the second sliding block (30) penetrates through the end portion of a right rectangular groove (122) of the circular truncated cone (12) and is fixedly connected with a second movable top block (16), a first guide rod (31) is fixed on the first fixed top block (13), the first guide rod (31) is inserted and sleeved on the first movable top block (15), a second guide rod (32) is fixed on the second fixed top block (14), and the second guide rod (32) is electrically connected with a double-shaft control device (25).
3. The wire and cable bending test device according to claim 1, wherein: the fixing seat (18) is formed with a first thread hole for sleeving the wire cable (17) and a first thread through hole communicated with the first thread hole, a first fastening screw (33) is screwed in the first thread through hole, and the end part of the first fastening screw (33) is pressed against the outer wall of the wire cable (17).
4. A wire and cable bending test apparatus according to claim 1, wherein: the movable seat (19) is formed with a second thread hole for sleeving the wire cable (17) and a second thread through hole communicated with the second thread hole, a second fastening screw (34) is screwed in the second thread through hole, and the end part of the second fastening screw (34) is pressed on the outer wall of the wire cable (17); the movable seat (19) is formed with a mandrel (191), and the mandrel (191) is hinged in a hinge hole (201) of the hinge seat (20) through a second bearing (35).
5. A wire and cable bending test apparatus according to claim 4, wherein: the cross section of the hinge hole (201) is I-shaped, two second bearings (35) are arranged, and the two second bearings (35) are respectively fixed at two ends of the hinge hole (201); the mandrel (191) penetrates through the end parts of the two second bearings (35) to be fixed with a stop block (36), and the stop block (36) is pressed against the end surface of the inner ring of the second bearing (35) on the rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261740.XA CN110887752B (en) | 2019-12-10 | 2019-12-10 | Wire and cable bending test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911261740.XA CN110887752B (en) | 2019-12-10 | 2019-12-10 | Wire and cable bending test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110887752A CN110887752A (en) | 2020-03-17 |
| CN110887752B true CN110887752B (en) | 2022-11-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911261740.XA Active CN110887752B (en) | 2019-12-10 | 2019-12-10 | Wire and cable bending test device |
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| CN (1) | CN110887752B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008203092A (en) * | 2007-02-20 | 2008-09-04 | Kobe Steel Ltd | Bending fatigue testing device |
| CN104422619A (en) * | 2013-09-04 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Cable wire low-temperature bending performance testing device and testing method thereof |
| CN104880370A (en) * | 2015-06-19 | 2015-09-02 | 东莞市越铧电子科技有限公司 | High-flexibility electric-wire-and-cable repeated-bending tester |
| CN107755588A (en) * | 2017-11-30 | 2018-03-06 | 东莞市联洲知识产权运营管理有限公司 | A kind of cable bend device of protractor formula |
| CN107931482A (en) * | 2017-11-30 | 2018-04-20 | 东莞市联洲知识产权运营管理有限公司 | A kind of adjustable cable bend device of bending radius |
-
2019
- 2019-12-10 CN CN201911261740.XA patent/CN110887752B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008203092A (en) * | 2007-02-20 | 2008-09-04 | Kobe Steel Ltd | Bending fatigue testing device |
| CN104422619A (en) * | 2013-09-04 | 2015-03-18 | 海洋王（东莞）照明科技有限公司 | Cable wire low-temperature bending performance testing device and testing method thereof |
| CN104880370A (en) * | 2015-06-19 | 2015-09-02 | 东莞市越铧电子科技有限公司 | High-flexibility electric-wire-and-cable repeated-bending tester |
| CN107755588A (en) * | 2017-11-30 | 2018-03-06 | 东莞市联洲知识产权运营管理有限公司 | A kind of cable bend device of protractor formula |
| CN107931482A (en) * | 2017-11-30 | 2018-04-20 | 东莞市联洲知识产权运营管理有限公司 | A kind of adjustable cable bend device of bending radius |
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| Publication number | Publication date |
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| CN110887752A (en) | 2020-03-17 |
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Effective date of registration: 20221014 Address after: 710065 Room 1-1, Unit 1, Building 1, No. 49, Zhangbaliu Road, High tech Zone, Xi'an, Shaanxi Applicant after: Shaanxi Xiecheng Testing Technology Co.,Ltd. Address before: 318050 No. 166, xialiqiao West Road, Lunan street, Luqiao District, Taizhou City, Zhejiang Province Applicant before: Lin Zhengjun |
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