CN110849742A - Wire bending test device and test method thereof - Google Patents

Wire bending test device and test method thereof Download PDF

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Publication number
CN110849742A
CN110849742A CN201911209144.7A CN201911209144A CN110849742A CN 110849742 A CN110849742 A CN 110849742A CN 201911209144 A CN201911209144 A CN 201911209144A CN 110849742 A CN110849742 A CN 110849742A
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China
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block
shaft
guide
gear
driven
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CN201911209144.7A
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Chinese (zh)
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郭小求
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Individual
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Individual
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Priority to CN201911209144.7A priority Critical patent/CN110849742A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/20Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces

Abstract

The invention relates to a wire bending test device and a test method thereof, and mainly solves the problems of complex structure, inconvenient operation, poor universality and poor detection effect of the conventional wire and cable bending test machine. The wire bending test device comprises a rack, a workbench, a wire guide mechanism, a rotary table rotating mechanism and a wire drawing follow-up mechanism, wherein the workbench is installed at the top of the rack, a bottom plate is installed at the bottom of the rack, the wire drawing follow-up mechanism is arranged on the workbench, the wire guide mechanism is arranged on one side of the wire drawing follow-up mechanism, the rotary table rotating mechanism is arranged below the workbench and fixed on the bottom plate, a control panel is further installed on the workbench and connected with the input end of a PLC (programmable logic controller), and the wire bending test device can be used for testing wires and cables.

Description

Wire bending test device and test method thereof
Technical Field
The invention relates to the technical field of wire performance testing, in particular to a wire bending test device and a wire bending test method.
Background
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 wire and cable also can be provided with an additional conductor 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, current electric wire and cable bending test machine structure is complicated, and the operation is inconvenient, and the commonality is poor, and the effect of detection is poor, causes the test result inaccurate. Therefore, it is necessary to develop a wire bending test apparatus capable of solving the above problems.
Disclosure of Invention
The invention provides a wire bending test device and a test method thereof, which are used for reducing the labor intensity of operators and improving the test efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the wire bending test device comprises a rack, a workbench, a wire guide mechanism, a turntable rotating mechanism and a wire drawing follow-up mechanism, wherein the workbench is installed at the top of the rack, a bottom plate is installed at the bottom of the rack, the wire drawing follow-up mechanism is arranged on the workbench, the wire guide mechanism is arranged on one side of the wire drawing follow-up mechanism, the turntable rotating mechanism is arranged below the workbench and fixed on the bottom plate, a control panel is further installed on the workbench and connected with the input end of a PLC (programmable logic controller), the output end of the PLC is respectively connected with the wire guide mechanism, the turntable rotating mechanism and the wire drawing follow-up mechanism, and the PLC receives a control command of the control panel to control the wire guide mechanism, the turntable rotating mechanism and the wire drawing follow-up mechanism to work.
Preferably, the electric wire guiding mechanism comprises a base, a supporting plate is arranged on the base, first guiding blocks are respectively arranged at the front end and the rear end of the supporting plate, the first guide block is cylindrical, a round hole for the electric wire to pass through is formed in the center of the first guide block, a transverse plate is arranged on the supporting plate, two rows of horizontal guide wheel sets are arranged on the upper surface of the transverse plate and are arranged in a staggered manner, a gap for a power supply line to pass through is arranged between the two rows of horizontal guide wheel sets, each row of horizontal guide wheel sets is provided with a plurality of horizontal guide wheels arranged at intervals, the utility model discloses a power supply device, including the backup pad, be provided with the riser in the backup pad perpendicularly, install two rows of perpendicular guide pulley groups on the riser, two rows of perpendicular guide pulley groups of crisscross settings are provided with the clearance that the power supply line passed between two rows of perpendicular guide pulley groups, and every row of perpendicular guide pulley group has the perpendicular guide pulley that a plurality of interval set up.
Preferably, the turntable rotating mechanism comprises a driving gear, a driven gear and a three-phase asynchronous motor, a first driving pulley is installed on an output shaft of the three-phase asynchronous motor through a flat key, the first driving pulley is in transmission connection with the first driven pulley through a first V-shaped belt, the first driven pulley is sleeved on the driving shaft, two ends of the driving shaft are respectively installed in bearing holes of two first bearing seats which are arranged in the front and back, the two first bearing seats are respectively fixed on a front end plate and a back end plate, the front end part of the driving shaft is provided with the driving gear through the flat key, the front end part of the driving shaft is also connected with one end of a hand wheel shaft, the other end of the hand wheel shaft is provided with a hand wheel, one side of the driving gear is provided with the driven gear, the driven gear is sleeved on the front end part of the driven shaft, and two ends of the driven shaft, the two second bearing seats are respectively fixed on the front end plate and the rear end plate, and a driven gear adjusting device is arranged at the front end part of the driven gear.
Preferably, the driven gear adjusting device comprises two first guide seats symmetrically arranged at the center of the side face of the driven gear, the first guide seats and the side face of the driven gear are obliquely arranged, a second guide block and a first moving block which are arranged up and down are installed between the two first guide seats, the first moving block and the second guide block are both in a conical structure, the second guide block is fixed on the driven gear through an inner hexagon bolt, a first adjusting bolt is arranged on the first moving block, threaded holes are formed in the first moving block and the second guide block, the first adjusting bolt penetrates through the first moving block to be in threaded connection with the second guide block, and a connecting rod installing shaft is arranged on the first moving block.
Preferably, the connecting rod mounting shaft is fixedly connected with one end of a first connecting rod, the other end of the first connecting rod is fixedly connected with a first rotating shaft, the first rotating shaft is fixed on a second moving block through a shaft seat, the upper surface and the lower surface of the second moving block are respectively provided with an upper guide block and a lower guide block, a U-shaped connecting block is arranged between the upper guide block and the lower guide block, one end of the U-shaped connecting block is fixedly connected with the upper guide block, the other end of the U-shaped connecting block is fixedly connected with the lower guide block, the upper surface and the lower surface of the second moving block are both provided with rectangular notches, the surfaces of the upper guide block and the lower guide block are both provided with rectangular bosses matched with the upper rectangular notch and the lower rectangular notch of the second moving block, the rear end face of the second moving block is provided with a rack, the rack is meshed with a gear section of a gear shaft for transmission, and the, the third bearing seat is installed on the side face of the bearing seat installation plate, and the bearing seat installation plate is fixed on the lower surface of the lower guide block.
Preferably, the top of gear shaft passes workstation and carousel fixed connection, the carousel is located one side of backup pad, the carousel upper surface is seted up flutedly, be provided with third guide block and briquetting in the recess, the briquetting is located one side of third guide block, the briquetting passes through the bolt fastening inside the recess to block the third guide block in the recess, the third guide block is provided with two, is provided with the baffle between two third guide blocks, and the gyro wheel axle is all installed to two third guide block upper surfaces, be provided with the gyro wheel on the gyro wheel axle, the outer wall of gyro wheel inwards caves in has annular groove, every all be provided with second adjusting bolt on the third guide block, second adjusting bolt passes the third guide block with the baffle spiro union.
Preferably, the wire pulling follow-up mechanism comprises two bearing seat mounting blocks which are symmetrically arranged front and back, wherein fourth bearing seats are mounted on the two bearing seat mounting blocks, the two bearing seat mounting blocks are fixed on a supporting block, the supporting block is fixed on a workbench, a rotating shaft is mounted between the fourth bearing seats, a second driven belt wheel is mounted in the middle of the rotating shaft through a flat key, the second driven belt wheel is in transmission connection with a second driving belt wheel through a second V-shaped belt, and the second driving belt wheel is sleeved on a driven shaft.
Preferably, the front end of the rotating shaft is connected with the middle position of a rotating block, the rotating block is of a disc-shaped structure, a connecting shaft is installed at a position, deviating from the center, of the rotating block, a bearing is sleeved on the connecting shaft and fixedly connected with one end of a second connecting rod, the other end of the second connecting rod is fixedly connected with a second rotating shaft, the second rotating shaft is fixed on a third moving block through a shaft seat, the third moving block is slidably installed on a second guide seat, the second guide seat is fixed on an L-shaped support plate, the L-shaped support plate is fixed on a workbench, a chute for accommodating the third moving block is formed in the second guide seat, a traction shaft installation block is installed on the third moving block and located above the rotating disc, a sleeve is installed in an inner hole of the traction shaft installation block, and a traction shaft is arranged in the sleeve, the traction shaft is provided with an annular convex block, the traction shaft is sleeved with a return spring, one end of the return spring is fixed at the bottom of the sleeve, and the other end of the return spring is connected with the annular convex block on the traction shaft.
Preferably, the U-shaped hinging block is installed on one side of the traction shaft installation block and is hinged to one end of the pressing plate, the other end of the pressing plate is provided with a buckle, the other side of the traction shaft installation block is provided with a buckle seat, and a clamping groove matched with the buckle is formed in the buckle seat.
A test method based on a wire bending test device comprises the following steps:
the first step, manually adjust the briquetting, in the draw-in groove of buckle seat is gone into to buckle card on the briquetting, pull the axle and move down under the effect of briquetting for pull the axle and flush with the gyro wheel, the manual work passes the electric wire in the round hole of first guide block, and passes in the clearance between two rows of perpendicular guide wheelsets and the clearance between two rows of horizontal guide wheelsets in proper order, then wear out and twine in two gyro wheels and pull epaxially from the round hole of the first guide block of the other end.
Secondly, manually operating the control panel, starting the three-phase asynchronous motor, driving a first driving pulley to rotate by an output shaft of the three-phase asynchronous motor, and driving a driving gear installed at the front end of the driving shaft to rotate along with the rotation of the driving shaft through the meshing transmission of a first V-shaped belt between the first driving pulley and a first driven pulley so as to drive the first driven pulley to rotate; when the first connecting rod pushes the second moving block to move forwards, the gear section of the gear shaft is meshed with the rack on the second moving block for transmission to drive the gear shaft to rotate anticlockwise, so that the two rollers on the rotary table drive the electric wire to rotate anticlockwise; when the second moving block is pulled back by the first connecting rod, the two rollers on the rotary disc drive the electric wire to rotate clockwise, so that the electric wire is subjected to rotating bending test.
And thirdly, a second driving belt wheel and a driven gear are installed on the driven shaft, when the driven gear rotates, the driven shaft and the second driving belt wheel rotate along with the rotation, the second driving belt wheel and the second driven belt wheel are in meshing transmission through a second V-shaped belt, so that the second driven belt wheel is driven to rotate, the second driven belt wheel is installed on the rotating shaft, the rotating shaft rotates along with the rotation and drives a rotating block connected to the front end part of the rotating shaft to rotate, the rotating block drives a second connecting rod to reciprocate forwards due to the fact that the end part of a second connecting rod is located at the deviated center position of the rotating block, so that a third moving block is pushed to reciprocate along a second guide seat, a traction shaft installed on the third moving block reciprocates along with the rotation, the traction shaft drives an electric wire to reciprocate, and therefore the electric wire is subjected.
The wire guide mechanism is arranged, and the effective support for the wire is formed by the two rows of horizontal guide wheel groups and the two rows of vertical guide wheel groups which are arranged in a staggered manner, so that the reliability of the wire passing direction is ensured; the wire bending device is provided with the turntable rotating mechanism, the turntable is driven by the three-phase asynchronous motor to rotate in a reverse and forward alternating mode (rotate clockwise for a certain angle and then rotate anticlockwise for a certain angle), and then wires wound on the two rollers are subjected to rotating bending, so that the rotating bending test of the wires is realized; the wire drawing follow-up mechanism is arranged, the three-phase asynchronous motor drives the drawing shaft to continuously reciprocate, so that the wire wound on the drawing shaft is driven to reciprocate, and the wire drawing test is realized; the invention simultaneously carries out the rotating bending test and the stretching test on the electric wire, greatly improves the test efficiency and has more accurate test effect; according to the invention, by rotating the first adjusting bolt, the first moving block can move towards the moving direction of the first adjusting bolt to change the eccentric position of the connecting rod mounting shaft so as to adjust the movement track of the connecting rod mounting shaft, thereby causing the change of the rotation angle of the turntable, meeting the bending test of wires at different angles and improving the applicability of the wire bending test device.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a wire bending test apparatus according to the present invention;
FIG. 2 is a side view of the wire bending test apparatus of the present invention;
FIG. 3 is a schematic structural view of a wire guide mechanism in the wire bending test apparatus according to the present invention;
FIG. 4 is a side view of a wire guide mechanism in the wire bending test apparatus according to the present invention;
FIG. 5 is a schematic structural view of a turntable rotating mechanism in the wire bending test apparatus according to the present invention;
FIG. 6 is a top view of a rotary table rotating mechanism in the wire bending test apparatus according to the present invention;
FIG. 7 is a schematic structural view of a driven gear adjusting device in the wire bending test apparatus according to the present invention;
FIG. 8 is a schematic view showing a part of the structure of a turntable rotating mechanism in the wire bending test apparatus according to the present invention;
FIG. 9 is a schematic structural view of a wire pulling follow-up mechanism in the wire bending test apparatus according to the present invention;
FIG. 10 is a sectional view of a draft shaft mounting block in the wire bending test apparatus according to the present invention;
fig. 11 is a schematic view of the wire in a stretched state according to the present invention.
In the drawings:
1. a frame; 101. a support frame; 102. a front end plate; 103. a rear end plate; 2. a work table; 3. a wire guide mechanism; 301. a base; 302. a support plate; 303. a first guide block; 304. a circular hole; 305. a transverse plate; 306. a horizontal guide wheel; 307. a vertical plate; 308. a vertical guide wheel; 4. a turntable rotating mechanism; 401. a driving gear; 402. a driven gear; 403. a three-phase asynchronous motor; 404. a first driving pulley; 405. a first V-belt; 406. a first driven pulley; 407. a drive shaft; 408. a first bearing housing; 409. a hand wheel shaft; 410. a hand wheel; 411. a driven shaft; 412. a second bearing housing; 413. a first guide seat; 414. a first moving block; 415. a second guide block; 416. a first adjusting bolt; 417. a connecting rod mounting shaft; 418. a first link; 419. a first rotating shaft; 420. a second moving block; 421. an upper guide block; 422. a lower guide block; 423. a rectangular notch; 424. a rectangular boss; 425. a rack; 426. a gear shaft; 427. a third bearing seat; 428. a bearing seat mounting plate; 429. a U-shaped connecting block; 430. a turntable; 431. a groove; 432. a third guide block; 433. briquetting; 434. a partition plate; 435. a roller; 436. a second adjusting bolt; 5. a wire pulling follow-up mechanism; 501. a bearing block mounting block; 502. a fourth bearing seat; 503. a rotating shaft; 504. a second driven pulley; 505. rotating the block; 506. a support block; 507. a connecting shaft; 508. a bearing; 509. a second link; 510. a second rotating shaft; 511. a third moving block; 512. a second guide seat; 513. a traction shaft mounting block; 514. a traction shaft; 515. a sleeve; 516. an annular projection; 517. a return spring; 518. a U-shaped hinge block; 519. pressing a plate; 520. buckling; 521. a buckle seat; 522. a second V-belt; 523. a second driving pulley; 6. a base plate; 7. an electric wire.
Detailed Description
The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention.
Referring to fig. 1 and 2, an electric wire bending test device comprises a frame 1, a workbench 2, an electric wire guide mechanism 3, a turntable rotation mechanism 4 and a wire drawing follow-up mechanism 5, wherein the workbench 2 is installed at the top of the frame 1, a bottom plate 6 is installed at the bottom of the frame 1, the frame 1 comprises a support frame 101, a front end plate 102 and a rear end plate 103 are respectively installed at the front end and the rear end of the support frame 101, the wire drawing follow-up mechanism 5 is arranged on the workbench 2, the electric wire guide mechanism 3 is arranged at one side of the wire drawing follow-up mechanism 5, the turntable rotation mechanism 4 is arranged below the workbench 2, the turntable rotation mechanism 4 is fixed on the bottom plate 6, a control panel is further installed on the workbench 2 and connected with the input end of a PLC controller, the output end of the PLC controller is respectively connected with the electric wire guide mechanism 3, the turntable rotation mechanism 4 and the wire drawing follow-up mechanism 5, and the PLC receives a control instruction of the control panel and controls the wire guide mechanism 3, the turntable rotating mechanism 4 and the wire drawing follow-up mechanism 5 to work.
Referring to fig. 3 and 4, the wire guiding mechanism 3 includes a base 301, a supporting plate 302 is mounted on the base 301, first guiding blocks 303 are respectively disposed at front and rear ends of the supporting plate 302, the first guiding blocks 303 are all cylindrical, a circular hole 304 for passing a wire 7 is disposed at a center position of the first guiding block 303, a transverse plate 305 is disposed on the supporting plate 302, two rows of horizontal guiding wheel sets are mounted on an upper surface of the transverse plate 305, the two rows of horizontal guiding wheel sets are staggered, a gap for passing the wire 7 is disposed between the two rows of horizontal guiding wheel sets, each row of horizontal guiding wheel set has a plurality of horizontal guiding wheels 306 disposed at intervals, a vertical plate 307 is vertically disposed on the supporting plate 302, two rows of vertical guiding wheel sets are mounted on the vertical plate 307, the two rows of vertical guiding wheel sets are staggered, and a gap for passing the wire 7 is disposed between the two rows of, each row of vertical guide pulley sets has a plurality of vertical guide pulleys 308 arranged at intervals. The two rows of horizontal guide wheel sets and the two rows of vertical guide wheel sets which are arranged in a staggered mode can effectively lead the passing electric wires 7 to have better guidance performance.
Referring to fig. 5 to 8, the turntable rotating mechanism 4 includes a driving gear 401, a driven gear 402 and a three-phase asynchronous motor 403, an output shaft of the three-phase asynchronous motor 403 is provided with a first driving pulley 404 through a flat key, the first driving pulley 404 is in transmission connection with a first driven pulley 406 through a first V-belt 405, the first driven pulley 406 is sleeved on the driving shaft 407, two ends of the driving shaft 407 are respectively installed in bearing holes of two first bearing seats 408 arranged in front and back, the two first bearing seats 408 are respectively fixed on the front end plate 102 and the rear end plate 103, a front end of the driving shaft 407 is provided with the driving gear 401 through a flat key, a front end of the driving shaft 407 is further connected with one end of a hand wheel shaft 409, the other end of the hand wheel shaft 409 is provided with a hand wheel 410, one side of the driving gear 401 is provided with a driven gear 402, the driven gear 402 is sleeved on a front end, two ends of the driven shaft 411 are respectively installed in bearing holes of two second bearing seats 412 which are arranged in the front and back, the two second bearing seats 412 are respectively fixed on the front end plate 102 and the rear end plate 103, and a driven gear adjusting device is arranged at the front end part of the driven gear 402.
In this embodiment, the driven gear adjusting device includes two first guide seats 413 symmetrically disposed at a central position of a side surface of the driven gear 402, the first guide seats 413 and the side surface of the driven gear 402 are obliquely disposed, a second guide block 415 and a first moving block 414 disposed up and down are installed between the two first guide seats 413, the first moving block 414 and the second guide block 415 are both in a tapered structure, the second guide block 415 is fixed on the driven gear 402 through a hexagon socket head bolt, a first adjusting bolt 416 is disposed on the first moving block 414, threaded holes are disposed on both the first moving block 414 and the second guide block 415, the first adjusting bolt 416 penetrates through the first moving block 414 to be screwed with the second guide block 415, and a connecting rod 417 installing shaft is disposed on the first moving block 414. The method of changing the position of the link mounting shaft 417 in this embodiment is: the first adjusting bolt 416 is manually rotated, so that the first moving block 414 moves towards the moving direction of the first adjusting bolt 416 to change the eccentric position of the connecting rod mounting shaft 417, and the movement track of the connecting rod mounting shaft 417 is adjusted, thereby causing the change of the rotation angle of the rotating disc 430, meeting the bending test of the wire at different angles, and improving the applicability of the wire bending test device.
In this embodiment, the connecting rod mounting shaft 417 is fixedly connected to one end of a first connecting rod 418, the other end of the first connecting rod 418 is fixedly connected to a first rotating shaft 419, the first rotating shaft 419 is fixed to a second moving block 420 through a shaft seat, an upper guide block 421 and a lower guide block 422 are respectively disposed on the upper and lower surfaces of the second moving block 420, a U-shaped connecting block 429 is disposed between the upper guide block 421 and the lower guide block 422, one end of the U-shaped connecting block 429 is fixedly connected to the upper guide block 421, the other end of the U-shaped connecting block is fixedly connected to the lower guide block 422, rectangular notches 423 are respectively disposed on the upper surface and the lower surface of the second moving block 420, rectangular bosses 424 matched with the upper and the lower rectangular notches 423 of the second moving block 420 are respectively disposed on the surfaces of the upper guide block 421 and the lower guide block 422, and a rack 425 is disposed on the rear end surface of the, the rack 425 is in mesh transmission with a gear section of a gear shaft 426, the bottom of the gear shaft 426 is fitted with a bearing hole of a third bearing housing 427, the third bearing housing 427 is installed at the side of a bearing housing installation plate 428, and the bearing housing installation plate 428 is fixed on the lower surface of the lower guide block 422.
In this embodiment, the top of the gear shaft 426 passes through the working platform 2 and is fixedly connected with the rotating disk 430, the rotary plate 430 is positioned at one side of the supporting plate 302, a groove 431 is formed on the upper surface of the rotary plate 430, a third guide block 432 and a pressing block 433 are arranged in the groove 431, the pressing block 433 is positioned at one side of the third guide block 432, the pressing block 433 is fixed in the groove 431 through a bolt, and the third guide block 432 is clamped in the groove 431, the number of the third guide block 432 is two, a partition 434 is arranged between the two third guide blocks 432, the upper surfaces of the two third guide blocks 432 are both provided with roller shafts, a roller 435 is arranged on the roller shaft, an annular groove is recessed in the outer wall of the roller 435, a second adjusting bolt 436 is arranged on each third guide block 432, the second adjusting bolt 436 passes through the third guide block 432 and is screwed with the partition 434. The second adjustment bolt 436 is manually operated to move the third guide blocks 432 in the direction of the movement of the second adjustment bolt 436, thereby adjusting the distance between the two third guide blocks 432. The distance between the two third guide blocks 432 is adjusted according to the wires with different lengths, so that the wires with different lengths can be wound on the two rollers 435, and the applicability of the wire bending test device is improved.
Referring to fig. 9-11, the wire-pulling following mechanism 5 includes two bearing seat mounting blocks 501 symmetrically arranged in front and back, fourth bearing seats 502 are mounted on both of the two bearing seat mounting blocks 501, the two bearing seat mounting blocks 501 are fixed on a supporting block 506, the supporting block 506 is fixed on the worktable 2, a rotating shaft 503 is mounted between the two fourth bearing seats 502, a second driven pulley 504 is mounted at the middle position of the rotating shaft 503 through a flat key, the front end of the rotating shaft 503 is connected with the middle position of a rotating block 505, the rotating block 505 is of a disc-shaped structure, a connecting shaft 507 is mounted at a position of the rotating block 505 deviating from the center, a bearing 508 is sleeved on the connecting shaft 507, the bearing 508 is fixedly connected with one end of a second connecting rod 509, the other end of the second connecting rod 509 is fixedly connected with a second rotating shaft 510, the second rotating shaft 510 is fixed on a third moving block 511 through a shaft seat, the third moving block 511 is slidably mounted on a second guide base 512, the second guide base 512 is fixed on an L-shaped support plate 515, the L-shaped support plate 515 is fixed on the workbench 2, a sliding groove for accommodating the third moving block 511 is formed in the second guide base 512, a traction shaft mounting block 513 is mounted on the third moving block 511, and the traction shaft mounting block 513 is located above the turntable 430.
In this embodiment, a sleeve 515 is mounted in the inner bore of the traction shaft mounting block 513, a traction shaft 514 is arranged inside the sleeve 515, an annular lug 516 is arranged on the traction shaft 514, a return spring 517 is sleeved on the traction shaft 514, one end of the return spring 517 is fixed at the bottom of the sleeve 515, the other end is connected with an annular bump 516 on the traction shaft 514, the top of the traction shaft 514 is provided with a U-shaped groove matched with the pressure plate 519, the bottom of the traction shaft 514 is provided with an annular groove wound by the power supply line 7, a U-shaped hinge block 518 is installed at one side of the traction shaft installation block 513, the U-shaped hinge block 518 is hinged with one end of a pressure plate 519, the other end of the pressing plate 519 is provided with a buckle 520, the other side of the traction shaft mounting block 513 is provided with a buckle seat 521, and a clamping groove matched with the buckle is formed in the buckle seat 521. The pressing process of the pressing plate 519 is achieved, the clamping buckle 520 on the pressing plate 519 is clamped on the clamping buckle seat 521, operation is simple and fast, labor intensity can be greatly reduced, meanwhile, the pressing plate 519 can be prevented from falling off, and structural reliability is improved.
In this embodiment, the second driven pulley 504 is in transmission connection with a second driving pulley 523 through a second V-belt 522, and the second driving pulley 523 is sleeved on the driven shaft 411.
The working principle and the forming method of the wire bending test device comprise the following steps:
in the first step, the pressing block 519 is manually adjusted, the buckle 520 on the pressing block 519 is clamped into the clamping groove of the buckle seat 521, the traction shaft 514 moves downwards under the action of the pressing block 519, the traction shaft 514 is aligned with the roller 435, the wire 7 manually penetrates through the round hole 304 of the first guide block 303 and sequentially penetrates through the gap between the two rows of vertical guide wheel sets and the gap between the two rows of horizontal guide wheel sets, and then penetrates out of the round hole 304 of the first guide block 303 at the other end and is wound on the two rollers 435 and the traction shaft 514.
Secondly, the control panel is operated manually, the three-phase asynchronous motor 403 is started, the output shaft of the three-phase asynchronous motor drives the first driving belt wheel 404 to rotate, the transmission is engaged between the first driving pulley 404 and the first driven pulley 406 through the first V-belt 405, thereby driving the first driven pulley 406 to rotate, because the first driven pulley 406 is sleeved on the driving shaft 407, so that the driving shaft 407 rotates and drives the driving gear 401 mounted at the front end thereof to rotate, the driving gear 401 is in mesh transmission with the driven gear 402, thereby driving the driven gear 402 to rotate, and since the end of the first link 418 is located at the eccentric position of the driven gear 402, the driven gear 402 drives the first link 418 to reciprocate forward, thereby pushing the second moving block 420 to reciprocate along the upper and lower guide blocks, the rack gear 425 installed on the second moving block 420 reciprocates therewith, the gear shaft 426 is driven to rotate by meshing the gear section of the gear shaft 426 with the rack 425; when the first connecting rod 418 pushes the second moving block 420 to move forward, the gear section of the gear shaft 426 and the rack 425 on the second moving block 420 are in meshed transmission to drive the gear shaft 426 to rotate counterclockwise, so that the two rollers 435 on the rotating disc 430 drive the electric wire 7 to rotate counterclockwise; when the second moving block 420 is pulled back by the first link 418, the two rollers 435 on the rotating disc 430 drive the electric wire 7 to rotate clockwise, so as to implement the rotating bending test on the electric wire 7.
In the third step, since the second driving pulley 523 and the driven gear 402 are installed on the driven shaft 411, when the driven gear 402 rotates, the driven shaft 411 and the secondary driving pulley 523 rotate, the engagement transmission between the second driving pulley 523 and the second driven pulley 504 is performed by the second V-belt 522, thereby driving the second driven pulley 504 to rotate, and since the second driven pulley 504 is mounted on the rotating shaft 503, the rotating shaft 503 rotates and drives the rotating block 505 connected to the front end portion to rotate, because the end portion of the second connecting rod 509 is located at the eccentric position of the rotating block 505, the rotating block 505 drives the second connecting rod 509 to reciprocate forwards, therefore, the third moving block 511 is pushed to reciprocate along the second guide base 512, the traction shaft 514 installed on the third moving block 511 reciprocates along with the third moving block 511, the traction shaft 514 drives the electric wire 7 to reciprocate, and therefore the electric wire 7 is subjected to a tensile test.
Although the illustrative embodiments of the present invention have been described above to enable those skilled in the art to understand the present invention, the present invention is not limited to the scope of the embodiments, and it is apparent to those skilled in the art that all the inventive concepts using the present invention are protected as long as they can be changed within the spirit and scope of the present invention as defined and defined by the appended claims.

Claims (10)

1. The utility model provides an electric wire bending test device, includes frame (1), workstation (2), electric wire guiding mechanism (3), carousel slewing mechanism (4) and guy wire follower (5), its characterized in that: the top of the frame (1) is provided with a workbench (2), the bottom of the frame (1) is provided with a bottom plate (6), a wire drawing follow-up mechanism (5) is arranged on the workbench (2), an electric wire guide mechanism (3) is arranged on one side of the wire drawing follow-up mechanism (5), a turntable rotating mechanism (4) is arranged below the workbench (2), the turntable rotating mechanism (4) is fixed on the bottom plate (6), the workbench (2) is also provided with a control panel which is connected with the input end of the PLC, the output end of the PLC is respectively connected with the wire guide mechanism (3), the turntable rotating mechanism (4) and the wire drawing follow-up mechanism (5), and the PLC receives a control instruction of the control panel to control the work of the wire guide mechanism (3), the turntable rotating mechanism (4) and the wire drawing follow-up mechanism (5).
2. The electric wire bending test device according to claim 1, wherein the electric wire guiding mechanism (3) comprises a base (301), a supporting plate (302) is mounted on the base (301), first guiding blocks (303) are respectively arranged at the front end and the rear end of the supporting plate (302), the first guiding blocks (303) are all in a cylindrical shape, a round hole (304) for passing an electric wire (7) is formed in the center of each first guiding block (303), a transverse plate (305) is arranged on the supporting plate (302), two rows of horizontal guiding wheel sets are mounted on the upper surface of the transverse plate (305), the two rows of horizontal guiding wheel sets are arranged in a staggered mode, a gap for passing the electric wire (7) is formed between the two rows of horizontal guiding wheel sets, each row of horizontal guiding wheel set is provided with a plurality of horizontal guiding wheels (306) arranged at intervals, and a vertical plate (307) is vertically arranged on the supporting plate (302), two rows of vertical guide wheel sets are mounted on the vertical plate (307) and arranged in a staggered mode, a gap through which a power supply line (7) penetrates is formed between the two rows of vertical guide wheel sets, and each row of vertical guide wheel set is provided with a plurality of vertical guide wheels (308) arranged at intervals.
3. The electric wire bending test device according to claim 1, wherein the turntable rotating mechanism (4) comprises a driving gear (401), a driven gear (402) and a three-phase asynchronous motor (403), an output shaft of the three-phase asynchronous motor (403) is provided with a first driving pulley (404) through a flat key, the first driving pulley (404) is in transmission connection with a first driven pulley (406) through a first V-shaped belt (405), the first driven pulley (406) is sleeved on the driving shaft (407), two ends of the driving shaft (407) are respectively installed in bearing holes of two first bearing seats (408) arranged in front and back, the two first bearing seats (408) are respectively fixed on the front end plate (102) and the rear end plate (103), the front end of the driving shaft (407) is provided with the driving gear (401) through a flat key, and the front end of the driving shaft (407) is further connected with one end of a hand wheel shaft (409), the other end of the hand wheel shaft (409) is provided with a hand wheel (410), one side of the driving gear (401) is provided with a driven gear (402), the driven gear (402) is sleeved at the front end part of the driven shaft (411), two ends of the driven shaft (411) are respectively installed in bearing holes of two second bearing blocks (412) which are arranged in the front and back, the two second bearing blocks (412) are respectively fixed on the front end plate (102) and the back end plate (103), and the front end part of the driven gear (402) is provided with a driven gear adjusting device.
4. The electric wire bending test device according to claim 3, wherein the driven gear adjusting device comprises two first guide seats (413) symmetrically arranged at the center of the side surface of the driven gear (402), the first guide seats (413) and the side surface of the driven gear (402) are obliquely arranged, a second guide block (415) and a first moving block (414) which are arranged up and down are installed between the two first guide seats (413), the first moving block (414) and the second guide block (415) are both in a conical structure, the second guide block (415) is fixed on the driven gear (402) through hexagon socket head bolts, a first adjusting bolt (416) is arranged on the first moving block (414), threaded holes are respectively formed in the first moving block (414) and the second guide block (415), and the first adjusting bolt (416) penetrates through the first moving block (414) and is screwed with the second guide block (415), and a connecting rod mounting shaft (417) is arranged on the first moving block (414).
5. The electric wire bending test device according to claim 4, wherein the connecting rod mounting shaft (417) is fixedly connected with one end of a first connecting rod (418), the other end of the first connecting rod (418) is fixedly connected with a first rotating shaft (419), the first rotating shaft (419) is fixed on a second moving block (420) through a shaft seat, an upper guide block (421) and a lower guide block (422) are respectively arranged on the upper surface and the lower surface of the second moving block (420), a U-shaped connecting block (429) is arranged between the upper guide block (421) and the lower guide block (422), one end of the U-shaped connecting block (429) is fixedly connected with the upper guide block (421), the other end of the U-shaped connecting block is fixedly connected with the lower guide block (422), rectangular notches (423) are respectively formed in the upper surface and the lower surface of the second moving block (420), and the upper guide block (421) and the lower guide block (422) are respectively formed in the upper, Rectangular bosses (424) matched with upper and lower rectangular notches (423) of a second moving block (420) are arranged on the surface of the lower guide block (422), a rack (425) is arranged on the rear end face of the second moving block (420), the rack (425) is in meshing transmission with a gear section of a gear shaft (426), the bottom of the gear shaft (426) is in fit installation with a bearing hole of a third bearing seat (427), the third bearing seat (427) is installed on the side face of a bearing seat installation plate (428), and the bearing seat installation plate (428) is fixed on the lower surface of the lower guide block (422).
6. The wire bending test device according to claim 5, wherein the top of the gear shaft (426) penetrates through the workbench (2) and is fixedly connected with a rotary table (430), the rotary table (430) is positioned at one side of the support plate (302), a groove (431) is formed in the upper surface of the rotary table (430), a third guide block (432) and a pressing block (433) are arranged in the groove (431), the pressing block (433) is positioned at one side of the third guide block (432), the pressing block (433) is fixed in the groove (431) through a bolt, the third guide block (432) is clamped in the groove (431), the third guide block (432) is provided with two blocks, a partition plate (434) is arranged between the two third guide blocks (432), roller shafts are arranged on the upper surfaces of the two third guide blocks (432), and rollers (435) are arranged on the roller shafts, the outer wall of the roller (435) is inwards recessed with an annular groove, each third guide block (432) is provided with a second adjusting bolt (436), and the second adjusting bolt (436) penetrates through the third guide block (432) to be in threaded connection with the partition plate (434).
7. The electric wire bending test device according to claim 1, wherein the wire pulling following mechanism (5) comprises two bearing seat mounting blocks (501) which are symmetrically arranged in front and back, a fourth bearing seat (502) is mounted on each of the two bearing seat mounting blocks (501), the two bearing seat mounting blocks (501) are fixed on a supporting block (506), the supporting block (506) is fixed on the workbench (2), a rotating shaft (503) is mounted between the two fourth bearing seats (502), a second driven pulley (504) is mounted in the middle of the rotating shaft (503) through a flat key, the second driven pulley (504) is in transmission connection with a second driving pulley (523) through a second V-shaped belt (522), and the second driving pulley (523) is sleeved on a driven shaft (411).
8. The electric wire bending test device according to claim 7, wherein the front end of the rotating shaft (503) is connected to the middle of a rotating block (505), the rotating block (505) is a disc-shaped structure, a connecting shaft (507) is installed at a position of the rotating block (505) deviating from the center, a bearing (508) is sleeved on the connecting shaft (507), the bearing (508) is fixedly connected to one end of a second connecting rod (509), the other end of the second connecting rod (509) is fixedly connected to a second rotating shaft (510), the second rotating shaft (510) is fixed to a third moving block (511) through a shaft seat, the third moving block (511) is slidably installed on a second guide seat (512), the second guide seat (512) is fixed to an L-shaped support plate (515), and the L-shaped support plate (515) is fixed to the workbench (2), offer the spout that holds third movable block (511) on second guide holder (512), install on third movable block (511) and pull axle installation piece (513), it is located the top of carousel (430) to pull axle installation piece (513), install sleeve (515) in the hole of pulling axle installation piece (513), sleeve (515) inside be provided with and pull axle (514), be provided with annular lug (516) on pulling axle (514), it is equipped with reset spring (517) to cover on axle (514) to pull, the one end of reset spring (517) is fixed in sleeve (515) bottom, and the other end is connected with annular lug (516) on pulling axle (514).
9. The wire bending test device according to claim 8, wherein a U-shaped hinge block (518) is installed on one side of the traction shaft installation block (513), the U-shaped hinge block (518) is hinged to one end of a pressing plate (519), a buckle (520) is arranged at the other end of the pressing plate (519), a buckle seat (521) is arranged on the other side of the traction shaft installation block (513), and a clamping groove matched with the buckle is formed in the buckle seat (521).
10. A test method based on a wire bending test device is characterized by comprising the following steps:
the first step, manually adjust briquetting (519), in the draw-in groove of buckle seat (521) is blocked in buckle (520) on briquetting (519), draw axle (514) and move down under briquetting (519)'s effect for draw axle (514) and gyro wheel (435) flush, the manual work passes electric wire (7) in round hole (304) of first guide block (303), and pass in the clearance between two rows of perpendicular guide pulley groups and the clearance between two rows of horizontal guide pulley groups in proper order, then wear out and twine on two gyro wheels (435) and draw axle (514) in round hole (304) of first guide block (303) from the other end.
Secondly, the control panel is manually operated, a three-phase asynchronous motor (403) is started, an output shaft of the three-phase asynchronous motor drives a first driving pulley (404) to rotate, a first V-shaped belt (405) is used for meshing transmission between the first driving pulley (404) and a first driven pulley (406) so as to drive the first driven pulley (406) to rotate, the first driven pulley (406) is sleeved on the driving shaft (407), the driving shaft (407) rotates along with the rotation and drives a driving gear (401) arranged at the front end of the driving shaft to rotate, the driving gear (401) is meshed transmission with a driven gear (402) so as to drive the driven gear (402) to rotate, the end part of a first connecting rod (418) is located at the eccentric center position of the driven gear (402), so that the driven gear (402) drives a first connecting rod (418) to reciprocate forwards, and a second moving block (420) is pushed to reciprocate along an upper guide block and a, a rack (425) arranged on the second moving block (420) reciprocates along with the second moving block, and the rack (425) is meshed with a gear section of a gear shaft (426) to drive the gear shaft (426) to rotate; when the first connecting rod (418) pushes the second moving block (420) to move forwards, the gear section of the gear shaft (426) is meshed with the rack (425) on the second moving block (420) for transmission, the gear shaft (426) is driven to rotate anticlockwise, and the two rollers (435) on the rotating disc (430) drive the electric wire (7) to rotate anticlockwise; when the second moving block (420) is pulled back by the first connecting rod (418), the two rollers (435) on the rotating disc (430) drive the electric wire (7) to rotate clockwise, so that the electric wire (7) is subjected to a rotating bending test.
Thirdly, as the second driving pulley (523) and the driven gear (402) are arranged on the driven shaft (411), when the driven gear (402) rotates, the driven shaft (411) and the second driving pulley (523) rotate along with the rotation, the second V-shaped belt (522) is meshed and transmitted between the second driving pulley (523) and the second driven pulley (504) so as to drive the second driven pulley (504) to rotate, the second driven pulley (504) is arranged on the rotating shaft (503), the rotating shaft (503) rotates along with the rotation and drives the rotating block (505) connected to the front end part of the rotating shaft to rotate, the end part of the second connecting rod (509) is positioned at the eccentric center position of the rotating block (505), so that the rotating block (505) drives the second connecting rod (509) to reciprocate forwards, the third moving block (511) is pushed to reciprocate along the second guide seat (512), and the traction shaft (514) arranged on the third moving block (511) reciprocates along with the second guide seat (512), the traction shaft (514) drives the electric wire (7) to reciprocate, so that the electric wire (7) is subjected to tensile test.
CN201911209144.7A 2019-11-30 2019-11-30 Wire bending test device and test method thereof Pending CN110849742A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911209144.7A CN110849742A (en) 2019-11-30 2019-11-30 Wire bending test device and test method thereof

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Application Number Priority Date Filing Date Title
CN201911209144.7A CN110849742A (en) 2019-11-30 2019-11-30 Wire bending test device and test method thereof

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111735717A (en) * 2020-06-19 2020-10-02 西安交通大学 Smooth aluminum sheath bending performance test system and test method thereof
CN111999164A (en) * 2020-06-30 2020-11-27 安徽华能电缆股份有限公司 Anti-tear detection device of tensile mobile power flexible cable for ships
CN112666025A (en) * 2020-12-18 2021-04-16 南昌航空大学 Hoop bending fatigue testing device based on surrounding motion
CN113008711A (en) * 2021-01-22 2021-06-22 苏州工业职业技术学院 Special-shaped steel wire bending property testing device
CN113533100A (en) * 2021-06-24 2021-10-22 合肥吉顺新能源科技有限公司 Adjustable wire bending and swinging testing machine
CN116593328A (en) * 2023-07-14 2023-08-15 天津市小猫线缆股份有限公司 Performance test system for copper core low-voltage cable after manufacturing and processing

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Title
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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111735717A (en) * 2020-06-19 2020-10-02 西安交通大学 Smooth aluminum sheath bending performance test system and test method thereof
CN111999164A (en) * 2020-06-30 2020-11-27 安徽华能电缆股份有限公司 Anti-tear detection device of tensile mobile power flexible cable for ships
CN112666025A (en) * 2020-12-18 2021-04-16 南昌航空大学 Hoop bending fatigue testing device based on surrounding motion
CN112666025B (en) * 2020-12-18 2023-05-05 南昌航空大学 Hoop bending fatigue testing device based on encircling movement
CN113008711A (en) * 2021-01-22 2021-06-22 苏州工业职业技术学院 Special-shaped steel wire bending property testing device
CN113533100A (en) * 2021-06-24 2021-10-22 合肥吉顺新能源科技有限公司 Adjustable wire bending and swinging testing machine
CN113533100B (en) * 2021-06-24 2024-02-27 合肥吉顺新能源科技有限公司 Adjustable wire bending and swinging testing machine
CN116593328A (en) * 2023-07-14 2023-08-15 天津市小猫线缆股份有限公司 Performance test system for copper core low-voltage cable after manufacturing and processing
CN116593328B (en) * 2023-07-14 2023-10-13 天津市小猫线缆股份有限公司 Performance test system for copper core low-voltage cable after manufacturing and processing

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Application publication date: 20200228