CN116337671A - Cable wear resistance testing device - Google Patents
Cable wear resistance testing device Download PDFInfo
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- CN116337671A CN116337671A CN202310608964.3A CN202310608964A CN116337671A CN 116337671 A CN116337671 A CN 116337671A CN 202310608964 A CN202310608964 A CN 202310608964A CN 116337671 A CN116337671 A CN 116337671A
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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
- G01N3/56—Investigating resistance to wear or abrasion
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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
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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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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- 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
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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Abstract
The invention discloses a cable wear resistance testing device, which belongs to the technical field of cable testing equipment, wherein one first support frame is provided with a first clamping mechanism, the other first support frame is provided with a second clamping mechanism, the second support frame is provided with a rotary friction testing mechanism, the rotary friction testing mechanism is connected with a first rotating shaft, the fifth support frame is provided with a reciprocating friction testing mechanism, and the reciprocating friction testing mechanism is respectively connected with the first rotating shaft and a second rotating shaft. According to the invention, after the two ends of the cable are stably clamped by the first clamping mechanism and the second clamping mechanism, the two first friction plates rotate and rub on the outer circumference of the cable to perform wear resistance test, the clamping grooves on the driving belt are clamped with the teeth on the fourth gear to drive the two reciprocating friction testing mechanisms to move, so that the wear resistance test of the rotating friction of the cable under different pressures and different reciprocating speeds is performed, and the accuracy and the comprehensiveness of the wear resistance test are improved.
Description
Technical Field
The invention belongs to the technical field of cable testing equipment, and particularly relates to a cable wear resistance testing device.
Background
The cable is an electric energy or signal transmission device composed of several or several groups of wires, and is used for power transmission and information transportation, and the periphery of the cable is wrapped with an insulating layer composed of a non-conductive insulating material, so as to prevent accidents such as electric leakage and electric shock caused by contact between the internal wires and the outside. Friction can be generated between the cable and external equipment during transportation and use of the cable, so that the cable is damaged to cause loss. Because of the high cost of the cable, the cable needs to be subjected to wear resistance test before use.
Because the wear resistance of the cable is related to a plurality of factors, the friction speed, the pressure and the surface roughness of the test block are all factors influencing the performance test, the existing wear resistance test device is single in detection, the wear resistance test of rotating friction and reciprocating friction can not be carried out on the cable at the same time, and the two ends of the cable can not be stably clamped during the wear resistance test, so that the comprehensiveness and the accuracy of the wear resistance test are influenced.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the cable wear resistance testing device which can simultaneously carry out rotary friction and reciprocating friction under different pressures and different speeds on a cable.
The technical scheme adopted for solving the technical problems is as follows: the device comprises a base, wherein two ends of the base are respectively provided with a first supporting frame, one first supporting frame is provided with a first clamping mechanism used for clamping one end of a cable, the other first supporting frame is provided with a second clamping mechanism used for clamping the other end of the cable, the base is provided with a second supporting frame, a third supporting frame, a fourth supporting frame, a fifth supporting frame and a sixth supporting frame which are arranged between the first clamping mechanism and the second clamping mechanism, the third supporting frame is rotatably provided with a first rotating shaft which is connected with the first clamping mechanism in a one-way transmission manner, the second supporting frame is provided with a rotating friction testing mechanism used for testing the wear resistance of the cable, the rotating friction testing mechanism is connected with the first rotating shaft, the fifth supporting frame is provided with two mutually connected reciprocating friction testing mechanisms used for testing the wear resistance of the cable, the sixth supporting frame is rotatably provided with a second rotating shaft which is connected with the second clamping mechanism in a one-way transmission manner, and the second rotating shaft is connected with the first rotating shaft in a transmission manner, and the reciprocating friction testing mechanism is respectively connected with the first rotating shaft and the second rotating shaft.
Further, first pivot one end be provided with first helical gear, second pivot one end is provided with the third bevel gear, rotates on the fourth support frame and is connected with the third pivot, be provided with respectively with first helical gear, third bevel gear meshing driven second helical gear in the third pivot, be provided with the third ratchet in the third pivot, the inside third pawl that is provided with third ratchet joint of second helical gear, third pivot both ends are provided with the first belt of being connected with reciprocal friction test mechanism transmission.
Further, the horizontal center line of the first rotating shaft and the horizontal center line of the second rotating shaft are in the same straight line, and the horizontal center line of the third rotating shaft is perpendicular to the horizontal center line of the first rotating shaft and the horizontal center line of the second rotating shaft respectively.
Further, a first ratchet wheel is arranged on the first rotating shaft, a first belt pulley in transmission connection with the first clamping mechanism is rotatably arranged on the outer circumference of the first rotating shaft, and a first pawl in unidirectional clamping connection with the first ratchet wheel is arranged inside the first belt pulley.
Further, a second ratchet wheel is arranged on the second rotating shaft, a second belt pulley in transmission connection with the second clamping mechanism is rotatably arranged on the outer circle of the second rotating shaft, and a second pawl in one-way clamping connection with the second ratchet wheel is arranged inside the second belt pulley.
Further, the structure of the first clamping mechanism is the same as that of the second clamping mechanism, and the first clamping mechanism is as follows: the base is provided with a motor for driving the first rotating shaft to rotate, a seventh supporting frame on the base is provided with a fixed plate, a first sliding plate is connected to the fixed plate in a sliding mode along the horizontal direction, the first sliding plate is connected with a bidirectional screw rod, a first belt pulley is in transmission connection with a third belt pulley through a second belt, a first sliding rod is arranged on the third belt pulley and is in sliding connection with a threaded groove of the bidirectional screw rod, two sides of the first sliding plate are respectively provided with first connecting shafts, each first connecting shaft is respectively connected with one end of a first connecting rod in a rotating mode, two sides of the seventh supporting frame are respectively connected with second connecting rods in a sliding mode along the horizontal direction, each second connecting rod is respectively connected with the other end of the first connecting rod in a rotating mode, one end of each second connecting rod is respectively provided with a clamping plate for clamping the outer circumferential side wall of a cable, a supporting plate is arranged on the seventh supporting frame, a round hole of the supporting plate is connected with the outer circumferential side wall of the cable in a clamping mode, and each second connecting rod is respectively connected with a second clamping mechanism through a connecting plate.
Further, the rotating friction testing mechanism is as follows: the first rotating shaft is provided with a second gear in a rotating mode, the first rotating shaft is provided with a fourth ratchet wheel, a fourth pawl inside the second gear is in one-way clamping connection with the fourth ratchet wheel, a first gear which is meshed with the second gear and drives is rotatably arranged on the second supporting frame, two sides of the inner circumferential surface of the first gear are respectively and slidably connected with a second connecting shaft, one end of each second connecting shaft is provided with a first friction plate for testing the rotating friction wear resistance of a cable, the outer circumference of each second connecting shaft is provided with a first spring, one end of each first spring is connected with the first friction plate, and the other end of each first spring is connected with the inner circumferential side wall of the first gear.
Further, the reciprocating friction testing mechanism is as follows: the fifth support frame is rotationally connected with a fourth connecting shaft in transmission connection with the first belt, a third gear is arranged on the fourth connecting shaft, two third connecting shafts are rotationally arranged on the fifth support frame, each third connecting shaft is provided with a fourth gear, the two fourth gears are in transmission connection with the third gears through a transmission belt, clamping grooves uniformly arranged on the transmission belt are respectively in clamping connection with teeth of the fourth gears and the third gears, a turntable is arranged on each third connecting shaft, a second lead screw is slidingly connected with each turntable in the vertical direction, the second lead screw is fixedly connected with a second slide rod, each second lead screw is respectively in threaded connection with a second connecting block arranged on the turntable, each second slide rod is respectively in sliding connection with a first chute of each second slide plate in the vertical direction, a frame is arranged between the two second slide plates, two sides of the frame are respectively in sliding connection with fifth connecting shafts in the horizontal direction, each fifth connecting shaft is respectively in sliding connection with a second chute of each fifth connecting plate in the horizontal direction, and one end of each fifth connecting shaft is provided with a second friction plate for testing the reciprocating friction of the cable.
Further, a first screw rod is slidably connected between the two second sliding plates, two ends of the first screw rod are respectively provided with a first connecting block, first threads and second threads on the first screw rod are respectively in threaded connection with pressing plates, the directions of the threads of the first threads are opposite to those of the second threads, each pressing plate is slidably connected with a fifth connecting shaft, a second spring is arranged on each fifth connecting shaft, one end of each second spring is connected with the second friction plate, and the other end of each second spring is connected with the pressing plate.
The beneficial effects of the invention are as follows: (1) After the first clamping mechanism and the second clamping mechanism are adopted to stably clamp two ends of the cable, the two first friction plates are subjected to wear resistance test on the outer circumference of the cable, the clamping grooves on the driving belt are clamped with the teeth on the fourth gear to drive the two reciprocating friction testing mechanisms to move, and the wear resistance test of the cable under different pressures and different reciprocating speeds is tested by adjusting different pressures and reciprocating speeds on the reciprocating friction testing mechanisms, so that the wear resistance test of the cable under the rotating friction and the wear resistance test of the reciprocating friction under different pressures and different speeds can be simultaneously carried out, and the accuracy and the comprehensiveness of the wear resistance test are improved; (2) According to the invention, the second connecting block is manually rotated, the length of the second screw rod is adjusted, so that the sliding stroke of the second slide rod on the first slide groove is changed, when the second screw rod descends or ascends in the turntable, the sliding stroke of the second slide rod on the first slide groove is shortened or increased, the sliding stroke of the second slide plate driving the fifth connecting shaft in the second slide groove is shortened or increased, under the condition that the time is unchanged, the sliding speed of the second slide plate driving the fifth connecting shaft in the second slide groove is reduced or increased, the sliding speed of the second friction plate is reduced or increased, and the cable can be subjected to wear resistance test under different reciprocating friction speeds of the second friction plate; (3) According to the invention, the first connecting block is manually rotated, the first connecting block drives the first screw rod to rotate, the two pressing plates respectively slide reversely on the first screw thread and the second screw thread, the pressing plates drive the second friction plate to generate different pressures on the cable through the second spring, and the cable can be subjected to wear resistance test under the different pressures of the second friction plate.
Drawings
Fig. 1 is a schematic view of the structure of an embodiment of the cable wear resistance testing device of the present invention.
Fig. 2 is a schematic view of the structure of fig. 1 at another angle.
Fig. 3 is a schematic view of part of the structure of fig. 1.
Fig. 4 is a schematic view of the structure of the inside of the second helical gear.
Fig. 5 is a schematic structural view of parts on the first rotating shaft.
Fig. 6 is a schematic view of the internal structure of the first pulley.
Fig. 7 is a schematic structural view of the second rotating shaft.
Fig. 8 is a schematic view of the internal structure of the second pulley.
Fig. 9 is a schematic structural view of the first clamping mechanism.
Fig. 10 is a partial schematic structure of fig. 9.
Fig. 11 is a schematic structural view of the support plate.
Fig. 12 is a schematic structural view of a third pulley.
Fig. 13 is a schematic structural view of the rotary friction testing mechanism.
Fig. 14 is a schematic view of the structure of the parts on the first gear.
Fig. 15 is a schematic view of the internal structure of the second gear.
Fig. 16 is a schematic structural view of the reciprocating friction testing mechanism.
Fig. 17 is a schematic view of the structure of fig. 16 at another angle.
Fig. 18 is a partial schematic view of the structure in fig. 16.
Fig. 19 is a partial schematic view of the structure in fig. 18.
Fig. 20 is a schematic structural view of the second skateboard.
Fig. 21 is a schematic structural view of the first link.
Fig. 22 is a schematic view of the structure of the parts on the turntable.
Reference numerals: 1. a cable; 2. a base; 301. a first slide plate; 302. a motor; 303. a second belt; 304. a fixing plate; 305. a seventh support frame; 306. a connecting plate; 307. a first link; 308. a first connecting shaft; 309. a third pulley; 310. a two-way screw rod; 311. a support plate; 312. a second link; 313. a clamping plate; 314. a first slide bar; 401. a first gear; 402. a first friction plate; 403. a second gear; 404. a second connecting shaft; 405. a first spring; 406. a fourth pawl; 407. a fourth ratchet; 501. a turntable; 502. a transmission belt; 503. a third connecting shaft; 504. a fourth connecting shaft; 505. a third gear; 506. a fourth gear; 507. a second slide plate; 508. a first connection block; 509. a first screw rod; 510. a pressing plate; 511. a first thread; 512. a second thread; 513. a frame; 514. a second friction plate; 515. a second spring; 516. a fifth connecting shaft; 517. a second connection block; 518. a second screw rod; 519. a second slide bar; 520. a first chute; 521. a second chute; 6. a first rotating shaft; 7. a first support frame; 8. a second support frame; 9. a third support frame; 10. a fourth support frame; 11. a fifth support frame; 12. a sixth support frame; 13. a second rotating shaft; 14. a first helical gear; 15. a first belt; 16. a third rotating shaft; 17. a second helical gear; 18. a third bevel gear; 19. a first pulley; 20. a first pawl; 21. a first ratchet; 22. a second pulley; 23. a second ratchet; 24. a second pawl; 25. a third pawl; 26. and a third ratchet.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 8, the cable wear resistance test device of the present embodiment is constituted by connecting a cable 1, a base 2, a first clamping mechanism, a second clamping mechanism, a rotational friction test mechanism, a reciprocating friction test mechanism, a first rotating shaft 6, a first supporting frame 7, a second supporting frame 8, a third supporting frame 9, a fourth supporting frame 10, a fifth supporting frame 11, a sixth supporting frame 12, a second rotating shaft 13, a first helical gear 14, a first belt 15, a third rotating shaft 16, a second helical gear 17, a third helical gear 18, a first pulley 19, a first pawl 20, a first ratchet 21, a second pulley 22, a second ratchet 23, and a second pawl 24.
The two ends of the base 2 are respectively fixedly provided with a first supporting frame 7, one first supporting frame 7 is provided with a first clamping mechanism used for clamping one end of the cable 1, the other first supporting frame 7 is provided with a second clamping mechanism used for clamping the other end of the cable 1, the base 2 is provided with a second supporting frame 8, a third supporting frame 9, a fourth supporting frame 10, a fifth supporting frame 11 and a sixth supporting frame 12 which are positioned between the first clamping mechanism and the second clamping mechanism, the third supporting frame 9 is rotatably provided with a first rotating shaft 6 which is connected with the first clamping mechanism in a one-way transmission manner, the second supporting frame 8 is provided with a rotating friction testing mechanism used for testing the wear resistance of the cable 1, the rotating friction testing mechanism is connected with the first rotating shaft 6, the fifth supporting frame 11 is provided with two mutually connected reciprocating friction testing mechanisms used for testing the wear resistance of the cable 1, the sixth supporting frame 12 is rotatably provided with a second rotating shaft 13 which is connected with the second clamping mechanism in a one-way transmission manner, the second rotating shaft 13 is connected with the first rotating shaft 6 in a transmission manner, and the reciprocating friction testing mechanisms are respectively connected with the first rotating shaft 6 and the second rotating shaft 13.
The first bevel gear 14 is arranged at one end of the first rotating shaft 6, the third bevel gear 18 is arranged at one end of the second rotating shaft 13, the third rotating shaft 16 is rotatably connected to the fourth supporting frame 10, the second bevel gear 17 which is respectively meshed with the first bevel gear 14 and the third bevel gear 18 and is driven is rotatably arranged on the third rotating shaft 16, the third ratchet wheel 26 is arranged on the third rotating shaft 16, the third pawl 25 which is clamped with the third ratchet wheel 26 is arranged in the second bevel gear 17, and the first belt 15 which is connected with the reciprocating friction testing mechanism in a driving way is arranged at two ends of the third rotating shaft 16. The horizontal center line of the first rotating shaft 6 and the horizontal center line of the second rotating shaft 13 are in the same straight line, and the horizontal center line of the third rotating shaft 16 is perpendicular to the horizontal center line of the first rotating shaft 6 and the horizontal center line of the second rotating shaft 13 respectively.
The first ratchet wheel 21 is fixedly arranged on the first rotating shaft 6, a first belt pulley 19 in transmission connection with the first clamping mechanism is rotatably arranged on the outer circle of the first rotating shaft 6, and a first pawl 20 in one-way clamping connection with the first ratchet wheel 21 is fixedly arranged inside the first belt pulley 19.
The second rotating shaft 13 is fixedly provided with a second ratchet wheel 23, the outer circle of the second rotating shaft 13 is rotatably provided with a second belt pulley 22 in transmission connection with the second clamping mechanism, and a second pawl 24 in one-way clamping connection with the second ratchet wheel 23 is arranged inside the second belt pulley 22.
As shown in fig. 9 to 12, the first clamping mechanism has the same structure as the second clamping mechanism, and is formed by connecting a first slide plate 301, a motor 302, a second belt 303, a fixed plate 304, a seventh support frame 305, a connecting plate 306, a first connecting rod 307, a first connecting shaft 308, a third pulley 309, a bidirectional screw 310, a support plate 311, a second connecting rod 312, a clamping plate 313, and a first slide bar 314.
The first clamping mechanism is as follows: the base 2 is provided with a motor 302 for driving the first rotating shaft 6 to rotate, a seventh support frame 305 on the base 2 is provided with a fixed plate 304, the fixed plate 304 is connected with a first slide plate 301 in a sliding manner along the horizontal direction, the first slide plate 301 is connected with a bidirectional screw rod 310, a support rod on the base 2 is rotatably provided with a third belt pulley 309, the first belt pulley 19 is in transmission connection with the third belt pulley 309 through a second belt 303, the third belt pulley 309 is movably provided with a first slide rod 314 in sliding connection with a thread groove of the bidirectional screw rod 310, two sides of the first slide plate 301 are respectively provided with a first connecting shaft 308, each first connecting shaft 308 is respectively connected with one end of the first connecting rod 307 in a rotating manner, two sides of the seventh support frame 305 are respectively connected with a second connecting rod 312 in a sliding manner along the horizontal direction, each second connecting rod 312 is respectively connected with the other end of the first connecting rod 307 in a rotating manner, one end of each second connecting rod 312 is respectively provided with a clamping plate 313 for clamping the outer circumferential side wall of the cable 1, the seventh support frame 305 is provided with a support plate 311, a round hole of the support plate 311 is in clamping with the outer circumferential side wall of the cable 1, and each second connecting rod 312 is respectively connected with a second clamping mechanism through a connecting plate 306.
As shown in fig. 13 to 15, the rotational friction testing mechanism is constituted by coupling a first gear 401, a first friction plate 402, a second gear 403, a second connecting shaft 404, and a first spring 405.
The rotary friction testing mechanism is as follows: the first rotating shaft 6 is rotatably provided with a second gear 403, the first rotating shaft 6 is fixedly provided with a fourth ratchet 407, a fourth pawl 406 in the second gear 403 is in one-way clamping connection with the fourth ratchet 407, the second supporting frame 8 is rotatably provided with a first gear 401 which is in meshed transmission with the second gear 403, two sides of the inner circumferential surface of the first gear 401 are respectively and slidably connected with a second connecting shaft 404, one end of each second connecting shaft 404 is provided with a first friction plate 402 for testing the rotating friction wear resistance of the cable 1, the outer circumference of each second connecting shaft 404 is provided with a first spring 405, one end of each first spring 405 is connected with the first friction plate 402, and the other end of each first spring 405 is connected with the inner circumferential side wall of the first gear 401.
As shown in fig. 16 to 22, the reciprocating friction testing mechanism is formed by connecting a turntable 501, a belt 502, a third connecting shaft 503, a fourth connecting shaft 504, a third gear 505, a fourth gear 506, a second slide plate 507, a first connecting block 508, a first screw 509, a pressing plate 510, a first screw 511, a second screw 512, a frame 513, a second friction plate 514, a second spring 515, a fifth connecting shaft 516, a second connecting block 517, a second screw 518, a second slide bar 519, a first slide groove 520, and a second slide groove 521.
The reciprocating friction testing mechanism is as follows: the fifth support frame 11 is rotatably connected with a fourth connecting shaft 504 which is in transmission connection with the first belt 15, the fourth connecting shaft 504 is provided with a third gear 505, the fifth support frame 11 is rotatably provided with two third connecting shafts 503, each third connecting shaft 503 is provided with a fourth gear 506, the two fourth gears 506 are in transmission connection with the third gear 505 through the transmission belt 502, clamping grooves uniformly arranged on the transmission belt 502 are respectively clamped with teeth of the fourth gears 506 and the third gears 505, each third connecting shaft 503 is provided with a rotary disc 501, a second lead screw 518 is connected inside each rotary disc 501 in a sliding manner along the vertical direction, the second lead screw 518 is fixedly connected with a second slide rod 519, each second lead screw 518 is respectively in threaded connection with a second connecting block 517 arranged on the rotary disc 501, each second slide rod 519 is respectively in sliding connection with a first slide groove 520 of the second slide plate 507 along the vertical direction, a frame 513 is arranged between the two second slide plates 507, two sides of the frame 513 are respectively in sliding connection with a fifth connecting shaft 516 along the horizontal direction, each fifth connecting shaft 516 is respectively in sliding connection with a second slide groove 516 along the horizontal direction, and each fifth connecting shaft 516 is respectively connected with a second slide groove 521 along the horizontal direction, and each fifth slide groove is used for testing the friction resistance of the friction cable 521 is connected with one end of the second slide plate 1.
A first screw rod 509 is slidably connected between the two second sliding plates 507, two ends of the first screw rod 509 are respectively provided with a first connecting block 508, a first thread 511 and a second thread 512 on the first screw rod 509 are respectively in threaded connection with a pressing plate 510, the thread directions of the first thread 511 and the second thread 512 are opposite, each pressing plate 510 is respectively in sliding connection with a fifth connecting shaft 516, each fifth connecting shaft 516 is provided with a second spring 515, one end of each second spring 515 is connected with a second friction plate 514, and the other end of each second spring 515 is connected with the pressing plate 510.
The working principle of this embodiment is as follows, (1) clamping: the two ends of the cable 1 to be tested are respectively placed in the round holes in the two supporting plates 311, the output shaft of the motor 302 drives the first rotating shaft 6 to rotate, the first ratchet wheel 21 on the first rotating shaft 6 is clamped with the first pawl 20 to drive the first belt pulley 19 to rotate, the first belt pulley 19 drives the third belt pulley 309 to rotate through the second belt 303, the first sliding rod 314 on the third belt pulley 309 is in sliding connection with the thread groove of the bidirectional screw 310, so that the bidirectional screw 310 is driven to reciprocate in the horizontal direction, the bidirectional screw 310 drives the first sliding plate 301 to reciprocate in the horizontal direction on the fixed plate 304, the first sliding plate 301 drives the first connecting rod 307 to move through the first connecting shaft 308, the first connecting rod 307 drives the second connecting rod 312 to slide in the seventh supporting frame 305, and the second connecting rod 312 drives the clamping plate 313 to clamp or loosen the outer circumference of one end of the cable 1.
The first rotating shaft 6 rotates, the fourth ratchet 407 on the first rotating shaft 6 is not clamped with the fourth pawl 406, the rotation friction testing mechanism is not driven to move, the first rotating shaft 6 drives the first bevel gear 14 to rotate, the first bevel gear 14 drives the third bevel gear 18 to rotate through meshing with the second bevel gear 17, the third ratchet 26 on the second bevel gear 17 is not clamped with the third pawl 25, the reciprocating friction testing mechanism is not driven to move, the third bevel gear 18 drives the second rotating shaft 13 to rotate, the second rotating shaft 13 drives the second ratchet 23 to move, the second ratchet 23 is clamped with the second pawl 24 to drive the second belt pulley 22 to rotate, the second belt pulley 22 drives the second clamping mechanism to clamp or loosen the outer circumference of the other end of the cable 1, and the working principle of the second clamping mechanism is the same as that of the first clamping mechanism.
(2) Abrasion resistance was tested by rotational friction: when the motor 302 rotates reversely, the motor 302 drives the first rotating shaft 6 to rotate reversely, the first ratchet wheel 21 on the first rotating shaft 6 is not clamped with the first pawl 20 any more, the first clamping mechanism is not driven to move any more, the second ratchet wheel 23 on the second rotating shaft 13 is not clamped with the second pawl 24 any more, the second clamping mechanism is not driven to move any more, the fourth ratchet wheel 407 on the first rotating shaft 6 is clamped with the fourth pawl 406, the second gear 403 is driven to rotate, the second gear 403 drives the first gear 401 to rotate, the first gear 401 drives the two first friction plates 402 to rotate through the second connecting shaft 404, and meanwhile, the first springs 405 can be adjusted according to the thickness degree of the cable 1, so that the two first friction plates 402 can rotate on the outer circumference of the cable 1 to conduct abrasion resistance testing.
(3) Abrasion resistance was tested by reciprocating friction: when the motor 302 rotates reversely, the motor 302 drives the first rotating shaft 6 to rotate reversely, the first bevel gear 14 on the first rotating shaft 6 drives the second bevel gear 17 to rotate reversely, the third ratchet wheel 26 on the second bevel gear 17 is clamped with the third pawl 25 to drive the second bevel gear 17 to rotate, the second bevel gear 17 drives the third rotating shaft 16 to rotate, the third rotating shaft 16 drives the fourth connecting shafts 504 on two sides to rotate through the first belts 15 on two sides respectively, the fourth connecting shafts 504 drive the third gear 505 to rotate, teeth on the third gear 505 drive the driving belt 502 to transmit through clamping grooves on the driving belt 502 and teeth on the fourth gear 506 drive the two reciprocating friction testing mechanisms to move, and the rotating friction wear resistance test of the testing cable 1 under different pressures and different reciprocating speeds is achieved through adjusting different pressures and reciprocating speeds on the reciprocating friction testing mechanisms.
The fourth gear 506 drives the third connecting shaft 503 to rotate, the third connecting shaft 503 drives the turntable 501 to rotate, the turntable 501 drives the second lead screw 518 and the second slide bar 519 to move, the second slide bar 519 slides in the vertical direction in the first slide groove 520 of the second slide plate 507, the fifth connecting shaft 516 slides back and forth in the horizontal direction in the second slide groove 521 of the connecting plate 306, the second slide plate 507, the first connecting block 508, the first lead screw 509, the pressing plate 510, the first screw 511, the second screw 512, the frame 513, the second friction plate 514, the second spring 515 and the fifth connecting shaft 516 reciprocate in the horizontal direction, the second connecting block 517 is manually rotated, the length of the second lead screw 518 is adjusted, thereby changing the sliding stroke of the second slide bar 519 on the first slide groove 520, when the second lead screw 518 descends in the turntable 501, the sliding stroke of the second slide 519 on the first slide groove 520 is shortened, the second slide plate 507 drives the sliding stroke of the fifth connecting shaft 516 in the second slide groove 521 to shorten, under the condition of time invariance, the second slide plate 507 drives the fifth connecting shaft 516 to expand in the sliding stroke of the second slide groove 508, the second slide plate 516 increases in the sliding stroke of the second slide plate 509, and the second slide plate 516 increases in the sliding stroke of the second slide plate 521, and the second slide plate 516 increases in the speed of the second slide plate 521, and the second slide plate 516 increases in the sliding stroke of the second slide plate 521, and the second slide plate 516 increases in the speed of the second slide plate 521, and the second slide bar is directly moves down in the second slide groove 521, and slides down slide bar 518 The sliding speeds of the second spring 515 and the fifth connecting shaft 516 are increased, and the cable 1 can be subjected to wear resistance test at different reciprocating friction speeds of the second friction plate 514.
Through manual rotation first connecting block 508, first connecting block 508 drives first lead screw 509 and rotates, and two clamp plates 510 slide on first screw 511 and second screw 512 respectively, because the screw direction of first screw 511 is opposite with the screw direction of second screw 512, consequently clamp plate 510 passes through second spring 515 and drives second friction plate 514 and produce different pressures to cable 1, and cable 1 can carry out the wearability test under the different pressures of second friction plate 514.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. .
Claims (9)
1. The utility model provides a cable wear resistance test device which characterized in that: the device comprises a base (2), wherein first supporting frames (7) are respectively arranged at two ends of the base (2), a first clamping mechanism used for clamping one end of a cable (1) is arranged on one of the first supporting frames (7), a second clamping mechanism used for clamping the other end of the cable (1) is arranged on the other one of the first supporting frames (7), a second supporting frame (8), a third supporting frame (9), a fourth supporting frame (10), a fifth supporting frame (11) and a sixth supporting frame (12) which are arranged between the first clamping mechanism and the second clamping mechanism are arranged on the base (2), a first rotating shaft (6) connected with the first clamping mechanism in a unidirectional transmission mode is rotatably arranged on the third supporting frame (9), a rotary friction testing mechanism used for testing the wear resistance of the cable (1) is arranged on the second supporting frame (8), two mutually connected reciprocating friction testing mechanisms used for testing the wear resistance of the cable (1) are arranged on the fifth supporting frame (11), a second rotating shaft (13) connected with the second rotating shaft (6) in a unidirectional transmission mode with the second clamping mechanism is rotatably arranged on the sixth supporting frame (12), and the second rotating shaft (13) is connected with the first rotating shaft (6) in a transmission mode.
2. The cable wear resistance testing device of claim 1, wherein: the novel automatic friction testing device is characterized in that a first bevel gear (14) is arranged at one end of the first rotating shaft (6), a third bevel gear (18) is arranged at one end of the second rotating shaft (13), a third rotating shaft (16) is rotatably connected to the fourth supporting frame (10), a second bevel gear (17) which is meshed with the first bevel gear (14) and the third bevel gear (18) respectively and is driven is arranged on the third rotating shaft (16), a third ratchet wheel (26) is arranged on the third rotating shaft (16), a third pawl (25) which is clamped with the third ratchet wheel (26) is arranged in the second bevel gear (17), and a first belt (15) which is connected with a reciprocating friction testing mechanism in a driving mode is arranged at two ends of the third rotating shaft (16).
3. The cable wear resistance testing device according to claim 2, wherein: the horizontal center line of the first rotating shaft (6) and the horizontal center line of the second rotating shaft (13) are in the same straight line, and the horizontal center line of the third rotating shaft (16) is respectively perpendicular to the horizontal center line of the first rotating shaft (6) and the horizontal center line of the second rotating shaft (13).
4. The cable wear resistance testing device according to claim 2, wherein: the novel ratchet wheel is characterized in that a first ratchet wheel (21) is arranged on the first rotating shaft (6), a first belt pulley (19) in transmission connection with the first clamping mechanism is rotatably arranged on the outer circle of the first rotating shaft (6), and a first pawl (20) which is in one-way clamping connection with the first ratchet wheel (21) is arranged inside the first belt pulley (19).
5. The cable wear resistance testing device according to claim 2, wherein: the second rotating shaft (13) is provided with a second ratchet wheel (23), a second belt pulley (22) in transmission connection with a second clamping mechanism is rotatably arranged on the outer circle of the second rotating shaft (13), and a second pawl (24) in one-way clamping connection with the second ratchet wheel (23) is arranged inside the second belt pulley (22).
6. The device for testing wear resistance of a cable according to claim 1, wherein the first clamping mechanism has the same structure as the second clamping mechanism, and the first clamping mechanism is: be provided with motor (302) of drive first pivot (6) pivoted on base (2), seventh support frame (305) on base (2) are provided with fixed plate (304), be connected with first slide (301) along horizontal direction sliding connection on fixed plate (304), first slide (301) are connected with two-way lead screw (310), first belt pulley (19) are connected with third belt pulley (309) transmission through second belt (303), be provided with on third belt pulley (309) with two-way lead screw (310) screw groove sliding connection's first slide bar (314), first slide (301) both sides are provided with first connecting axle (308) respectively, every first connecting axle (308) are connected with first connecting rod (307) one end rotation respectively, both sides are connected with second connecting rod (312) along horizontal direction sliding connection respectively on seventh support frame (305), every second connecting rod (312) are connected with first connecting rod (307) other end rotation respectively, every second connecting rod (312) one end is provided with respectively and is used for centre gripping cable (1) outer circumference lateral wall's first slide bar (314), be provided with on first support frame (301) and each second support frame (311) are connected with second round hole (311) respectively through centre gripping mechanism.
7. The device for testing wear resistance of a cable according to claim 1, wherein the rotating friction testing mechanism comprises: second gear (403) are rotatably arranged on first rotating shaft (6), fourth ratchet wheels (407) are arranged on first rotating shaft (6), fourth pawls (406) inside second gear (403) are in one-way clamping connection with fourth ratchet wheels (407), first gears (401) which are in meshed transmission with second gears (403) are rotatably arranged on second supporting frames (8), second connecting shafts (404) are respectively and slidably connected to two sides of the inner circumferential surface of each first gear (401), first friction plates (402) for testing the rotating friction wear resistance of cables (1) are arranged at one end of each second connecting shaft (404), first springs (405) are arranged on the outer circumference of each second connecting shaft (404), one end of each first spring (405) is connected with each first friction plate (402), and the other end of each first spring (405) is connected with the inner circumferential side wall of each first gear (401).
8. The cable wear resistance testing device according to claim 2, wherein the reciprocating friction testing mechanism is: a fourth connecting shaft (504) which is in transmission connection with the first belt (15) is rotationally connected on the fifth supporting frame (11), a third gear (505) is arranged on the fourth connecting shaft (504), two third connecting shafts (503) are rotationally arranged on the fifth supporting frame (11), a fourth gear (506) is arranged on each third connecting shaft (503), the two fourth gears (506) are in transmission connection with the third gear (505) through a transmission belt (502), clamping grooves which are uniformly arranged on the transmission belt (502) are respectively in clamping connection with the fourth gear (506) and the teeth of the third gear (505), a turntable (501) is arranged on each third connecting shaft (503), a second lead screw (518) is connected inside each turntable (501) in a sliding manner along the vertical direction, the second lead screw (518) is fixedly connected with a second slide rod (519), each second lead screw (518) is respectively in threaded connection with a second connecting block (517) arranged on the turntable (501), each second slide rod (518) is respectively in sliding connection with a first slide groove (520) of the second slide plate (507) along the vertical direction, two sides of the slide plate (513) are respectively connected with the slide plates (513) along the vertical direction, the slide plates (513) are respectively connected with the slide plates (516), each fifth connecting shaft (516) is respectively connected with a second chute (521) of the connecting plate (306) in a sliding manner along the horizontal direction, and one end of each fifth connecting shaft (516) is provided with a second friction plate (514) for testing the reciprocating friction wear resistance of the cable (1).
9. The cable wear resistance testing device of claim 8, wherein: a first screw rod (509) is slidably connected between the two second sliding plates (507), two ends of the first screw rod (509) are respectively provided with a first connecting block (508), a first thread (511) and a second thread (512) on the first screw rod (509) are respectively in threaded connection with a pressing plate (510), the thread directions of the first thread (511) and the second thread (512) are opposite, each pressing plate (510) is respectively in sliding connection with a fifth connecting shaft (516), a second spring (515) is arranged on each fifth connecting shaft (516), one end of each second spring (515) is connected with a second friction plate (514), and the other end of each second spring (515) is connected with the pressing plate (510).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310608964.3A CN116337671A (en) | 2023-05-29 | 2023-05-29 | Cable wear resistance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310608964.3A CN116337671A (en) | 2023-05-29 | 2023-05-29 | Cable wear resistance testing device |
Publications (1)
| Publication Number | Publication Date |
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| CN116337671A true CN116337671A (en) | 2023-06-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310608964.3A Withdrawn CN116337671A (en) | 2023-05-29 | 2023-05-29 | Cable wear resistance testing device |
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| Country | Link |
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| CN (1) | CN116337671A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117147303A (en) * | 2023-11-01 | 2023-12-01 | 陕西榆扬金纬电缆制造有限公司 | Cable tensile property testing device |
| CN117191687A (en) * | 2023-11-07 | 2023-12-08 | 陕西榆扬金纬电缆制造有限公司 | Cable thermal ageing test box |
| CN117268974A (en) * | 2023-11-22 | 2023-12-22 | 宝应亿力源绳网有限公司 | Wear-resistant detection device and detection method for braided rope |
| CN117907135A (en) * | 2024-03-18 | 2024-04-19 | 泉州市和景荣纺织品有限公司 | Wear-resisting testing arrangement of meshbelt |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117147303A (en) * | 2023-11-01 | 2023-12-01 | 陕西榆扬金纬电缆制造有限公司 | Cable tensile property testing device |
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| CN117191687A (en) * | 2023-11-07 | 2023-12-08 | 陕西榆扬金纬电缆制造有限公司 | Cable thermal ageing test box |
| CN117191687B (en) * | 2023-11-07 | 2024-03-12 | 陕西榆扬金纬电缆制造有限公司 | Cable thermal ageing test box |
| CN117268974A (en) * | 2023-11-22 | 2023-12-22 | 宝应亿力源绳网有限公司 | Wear-resistant detection device and detection method for braided rope |
| CN117268974B (en) * | 2023-11-22 | 2024-02-02 | 宝应亿力源绳网有限公司 | Wear-resistant detection device and detection method for braided rope |
| CN117907135A (en) * | 2024-03-18 | 2024-04-19 | 泉州市和景荣纺织品有限公司 | Wear-resisting testing arrangement of meshbelt |
| CN117907135B (en) * | 2024-03-18 | 2024-06-04 | 泉州市和景荣纺织品有限公司 | Wear-resisting testing arrangement of meshbelt |
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Application publication date: 20230627 |