CN115235883A - Wire pulling and torsion resistant physical property detection system and detection process - Google Patents

Abstract

The invention relates to a wire pulling and anti-torsion physical property detection system and a detection process, which relate to the technical field of wire detection and comprise a detection workbench, wherein two vertical frames which are symmetrically distributed left and right are arranged on the detection workbench, a pulling detection mechanism and an anti-torsion detection mechanism which are used for detecting the performance of a wire are respectively arranged on the inner side and the outer side of each vertical frame, a wear-resistant detection mechanism which is used for carrying out wear-resistant detection on the outer skin of the wire is arranged in the middle of the upper end of the detection workbench through a centering block fixed on the detection workbench, and the wire pulling and anti-torsion physical property detection system also comprises a fracture detection platform which monitors the state of the wire in the whole process of wire detection; the invention has the effect of synchronously detecting a plurality of wires and can greatly improve the detection efficiency; meanwhile, the clamping stability can be improved, and the separation of the lead in the detection process is avoided; the invention can monitor the wire core of the wire, and ensure that the whole state of the wire is quickly and accurately displayed in the detection process.

Description

Wire pulling and torsion-resistant physical property detection system and detection process

Technical Field

The application relates to the technical field of wire detection, in particular to a wire pulling and torsion resistance physical property detection system and a detection process.

Background

The term "wire" refers to a material used as a wire or cable, and also refers to a wire in industry. Typically made of copper or aluminum, and also made of silver wire (which is electrically and thermally conductive) to conduct electricity or heat.

In daily life, wires are distributed on the aspect of our people to serve as the task of circuit transmission, so the quality of the wires is very important, in order to realize the detection of the quality of the wires, the existing detection modes are divided into two modes, one mode is to detect the power and the circuit loss rate of the wires, and the other mode is to detect the physical performance of the wires.

Taking physical property detection of the wire as an example; the existing physical performance detection of the wire is to detect the quality of the insulation appearance of the wire and the quality of a wire core of the wire, and the detection mode is to carry out a series of kneading on the wire in pulling, twisting and other modes generally, and then detect the integral strength and wear resistance of the wire.

Aiming at the performance detection of the lead, a lead damage testing machine is disclosed to Chinese patent with the patent number of CN205015221U, and the utility model discloses a lead damage testing machine which comprises a section bar frame body, a clamp, a turntable, a supporting rod and a servo motor; the section bar frame body is provided with a box body, the servo motor is positioned in the box body and is connected with a support rod, the support rod is connected with a turntable, the turntable is provided with a lead fixing hole, the lead fixing hole is used for fixing one end of a tested lead, and the servo motor is used for driving the turntable to rotate and lift; the fixture is connected to the section bar frame body and used for clamping the other end of the tested lead. The utility model has simple structure and easy realization; the servo motor is used for generating pulling force to meet the testing requirements of different types of lead products.

The wire is dragged through servo motor's power among the above-mentioned prior art, then realize carrying out the performance detection to the wire, the effect that its detected is general, and relatively poor to the stability of wire centre gripping, the wire takes place to break away from with anchor clamps when easily leading to the detection, when dragging the wire simultaneously, the insulating exocuticle of wire has stronger toughness, consequently the inside sinle silk fracture of wire, when the insulating exocuticle of wire does not fracture, can't detect out the state of wire, consequently, the result of its detection is inaccurate.

Secondly, the prior art detects the wire only by pulling one way, and the detection effect is limited, so that the real physical property of the wire cannot be accurately detected.

Disclosure of Invention

In order to enable the detection result of the wire to be more accurate and simultaneously show the state of the wire in the detection process in an intuitive mode, the application provides a wire pulling and torsion resistance physical property detection system and a detection process.

In a first aspect, the system and the process for detecting physical properties of pulling and twisting of a wire provided by the application adopt the following technical scheme:

the utility model provides a wire is dragged and antitorque physical properties detecting system, includes the testing workbench, the last perpendicular frame that is equipped with two bilateral symmetry distributions of testing workbench, the inside and outside both sides of perpendicular frame are equipped with respectively and are used for carrying out dragging detection mechanism and antitorque detection mechanism that the performance detected to the wire, the piece is equipped with through fixing the centre that is on the testing workbench in the middle part of the testing workbench upper end and is used for carrying out wear-resisting detection mechanism that detects to the wire exocuticle, still include the whole fracture testing platform who monitors the wire state among the wire testing process.

Wear-resisting detection mechanism is including fixed vertical fixed plate on the piece in the middle of, and the right side of vertical fixed plate is rotated and is connected two rotation discs that distribute and the size is different from top to bottom, and rotation disc circumference equidistant is equipped with recess and lug in turn, and it has the annular guide way to equally divide cloth on recess and the lug to be used for ordering about the reciprocating lever and slide, and the equidistant conflict of reciprocating lever is on the annular guide way, and the reciprocating lever side is equipped with wear-resisting detection part.

Preferably, wear-resisting detection part includes that the reciprocating lever keeps away from the wear-resisting lantern ring that is used for carrying out reciprocating friction to the wire that annular guide way one end is connected jointly, be equipped with three groups on the wear-resisting lantern ring and correspond and supply the wear-resisting inspection hole that the wire was placed with the wire, the inside in wear-resisting inspection hole is equipped with a plurality of wear-resisting springs along circumference, wear-resisting piece is all connected to the wear-resisting spring opposite side, the lower extreme fixed mounting of the wear-resisting lantern ring is used for carrying out spacing limiting plate to the wear-resisting lantern ring, limiting plate and between the middle piece through spacing spring pole fixed connection, the lateral wall of the wear-resisting lantern ring is equipped with the driving piece and orders about for rotating disc rotation.

All fixed guide frame on the lateral wall of every wear-resisting inspection hole of wear-resisting lantern ring, the fixed arc in upper end of guide frame, reset spring is connected to the one end that wear-resisting lantern ring was kept away from to the guide frame, and one side that reset spring kept away from the wear-resisting lantern ring is equipped with same guide frame and arc, and guide frame and arc are provided with a plurality ofly.

Preferably, the driving part comprises two rotating discs sleeved with a belt, the rotating discs at the lower ends of the vertical fixing plates are connected with a driving motor, the driving motor is connected with the centering block through a motor base, the front side wall of the wear-resistant lantern ring is hinged with a traction rod, the left side of the traction rod is hinged with a wear-resistant lantern ring which is the same as the reciprocating rod, and the wear-resistant lantern ring is connected with the centering block through the same limiting plate and the same limiting spring rod.

Preferably, it includes equal fixed mounting's wire fixed disk on two perpendicular framves to drag detection mechanism, set up the three inspection hole of dragging that corresponds with the wire on the wire fixed disk, the inside of dragging the inspection hole is equipped with wire fixed module, it has three group's regulation pole to articulate on the lateral wall of two direction fixed disks, every group adjusts the pole and includes two articulated down tubes each other, one side that two down tubes carried on the back mutually is articulated in the wire fixed disk respectively, it articulates the regulating plate of symmetric distribution around two on the down tube of one side in every group regulation pole, it is equipped with vertical post all to rotate on two regulating plates, the vertical post of one side and the piece fixed connection placed in the middle, the vertical post of opposite side rotates with the piece placed in the middle and is connected and is helicitic texture, the vertical post lower extreme of helicitic texture is equipped with elevator motor, elevator motor places the inside at the piece placed in the middle, the horizontal post of the equal fixed distribution of both ends is symmetrical around two for perpendicular framves to slide about, perpendicular frame slides and establishes on the horizontal post.

Preferably, the fixed module of wire includes that a plurality of dragging detection holes are downthehole to rotate the fixed frame of connecting through the bearing, and fixed frame wears to establish its middle part for loop configuration and wire, equidistant fixed centre gripping electric putter that carries out the centre gripping to the wire in the fixed frame, centre gripping electric putter's output be connected with unsmooth and with wire movable contact's grip block, fixed frame about two lateral walls all through round pin axle fixedly connected with annular slab.

Preferably, the anti-torsion detection mechanism comprises a plurality of ring-shaped plates and ring gears which are connected with each other in a rotating mode on the outer side wall of each ring-shaped plate, the ring gears on the two wire fixing disks are meshed with each other and are arranged on the wire fixing disks through bearings, the torsion gears are used for driving the ring gears to rotate synchronously, the opposite sides of the two torsion gears are fixed with cross reversing shafts which penetrate through the rotating disks in a rotating mode, the two cross reversing shafts are of a telescopic structure, the opposite sides of the two cross reversing shafts are fixedly connected with bevel gears, the bevel gears are rotatably connected with gear limiting frames on the wire fixing disks on the left side of the detection workbench, the reversing gears connected to the gear limiting frames in a rotating mode are meshed with the two bevel gears, the wire fixing disks, the vertical fixing plates, the wear-resistant lantern rings and the rotating disks are provided with movable holes for rotation of the cross reversing shafts, the torsion motor is connected to the torsion gear on one side, and the torsion motor is fixed on the wire fixing disks through a motor base.

Preferably, the fracture detection platform comprises a horizontal placing plate connected through a bracket fixed on the centering block, an execution plate is installed on the upper end of the horizontal placing plate in a bilateral symmetry mode, and the opposite side of the execution plate is connected with an adjusting clamping plate through a clamping spring.

Two symmetrical adjusting grooves are symmetrically formed in the adjusting clamp plate in the front-back direction, adjusting spring rods are fixed in the two adjusting grooves, self-adaptive limiting clamps are fixed on the opposite sides of the two adjusting spring rods, the self-adaptive limiting clamps are slidably arranged in the adjusting grooves, and the adjusting clamp plate is slidably arranged on the horizontal placing plate.

The utility model discloses a board, including the board, the board is placed to level upper end and the left and right sides fixed bolster that is located the execution board, is fixed with the transverse bar on the support frame, and the left and right sides of transverse bar slides and installs the telescopic link, and the equidistant fixed guide ring in front end of transverse bar and telescopic link is equipped with the automatic subassembly that receive and releases of pencil on the transverse bar, is equipped with breakpoint judgement module on the wire fixed disk.

Preferably, the breakpoint judgment module comprises a leakage switch box fixed on the outer side wall of the wire fixing disc, the leakage switch box is connected with a live wire, a circuit connecting clamp electrically connected with a wire is arranged on the leakage switch box, and a fire extinguisher used for preventing the wire from firing is arranged at the upper end of the middle block.

Preferably, the automatic subassembly that receive and releases of pencil includes and rotates the receipts roll of connecting on the transverse bar through the bearing, receive and releases the roller and be used for rolling and releasing the measuring circuit of multimeter, is connected with the spiral spring between the side of receiving and releasing the roller and the transverse bar.

In a second aspect, the invention also provides a process for detecting physical properties of a lead, including the following steps:

s1, placing a lead: randomly sampling batched wires needing to be detected, respectively placing the wires selected by sampling on a wire fixing disc for fixing, and connecting two ends of the wires with a fracture detection platform;

s2, pulling and detecting: the wire is subjected to stretching detection through a stretching detection mechanism, the extensible length of the wire in a certain range is detected, and the state of the wire is recorded constantly;

s3, fracture judgment: the wire is detected through the breakage detection platform, and when the wire breaks, the wire can be detected through the universal meter and digital displayed.

S4, torsion resistance detection: the torsion detection is carried out on the lead by the torsion resistance detection mechanism, the torsion angle of the lead is detected within a certain range, and the state of the lead is recorded at any time;

s5, wear resistance detection: the quality and performance of the outer skin of the wire is tested by rubbing the wire.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the invention detects the lead in the modes of pulling, twisting and rubbing, and improves the accuracy of lead detection.

2. According to the invention, the wire core of the wire is monitored in real time through the fracture detection platform, so that when the physical performance of the whole wire is detected, the internal wire core can accurately display whether the wire is fractured, and the detection efficiency of the whole wire is greatly improved.

3. The invention realizes the friction detection of the insulated outer surface of the wire by the wear-resistant detection mechanism, thereby ensuring the protection performance of the outer part of the wire.

4. The invention can simultaneously detect a plurality of sampling detection wires, thereby greatly improving the detection efficiency.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention.

Fig. 2 is a schematic view of a portion of the pull detection mechanism of the present invention.

Fig. 3 is a partial structural view of the wire fixing module of the present invention.

FIG. 4 is a schematic view of a first perspective partial structure of the fracture detection platform of the present invention.

FIG. 5 is a second perspective view of the fracture detection platform according to the present invention.

FIG. 6 is a schematic diagram of a third perspective partial structure of the fracture detection platform of the present invention.

Fig. 7 is a schematic structural diagram of a breakpoint judgment module.

FIG. 8 is a partial schematic view of a first perspective of the torsion detection mechanism.

Fig. 9 is a partial enlarged view of the invention at B in fig. 8.

FIG. 10 is a schematic view of a portion of the torsion detection mechanism of the present invention from a second perspective.

Fig. 11 is a schematic structural view of the wear detection mechanism.

Fig. 12 is a schematic view of the structure of the driving member.

Fig. 13 is a partial structural schematic view of fig. 11.

FIG. 14 is a flow chart of a wire pulling and kink resistance physical property detection process.

Description of reference numerals: 1. a detection workbench; 2. a vertical frame; 3. an anti-torsion detection mechanism; 4. a pull detection mechanism; 5. a centering block; 6. a wear-resistant detection mechanism; 7. a fracture detection platform; 60. a vertical fixing plate; 61. rotating the disc; 62. a reciprocating lever; 63. a wear detection component; 631. a wear-resistant collar; 632. a wear-resistant spring; 633. a wear resistant sheet; 634. a limiting plate; 635. a limiting spring rod; 64. a drive member; 636. a guide frame; 637. an arc-shaped plate; 638. a scissor assembly; 639. a return spring; 641. a belt; 642. a drive motor; 643. a draw bar; 40. a wire fixing disc; 41. a wire fixing module; 42. a diagonal bar; 44. an adjusting plate; 45. a vertical column; 46. a lifting motor; 47. a horizontal column; 410. a fixing frame; 411. clamping the electric push rod; 412. a clamping block; 413. an annular plate; 30. a ring gear; 31. a torsion gear; 32. a cross-shaped reversing shaft; 33. a bevel gear; 34. a gear limiting frame; 35. a reversing gear; 36. a torsion motor; 70. horizontally placing the plate; 71. an execution plate; 72. a clamping spring; 73. adjusting the clamping plate; 74. a support frame; 75. a transverse bar; 76. a telescopic rod; 77. a guide ring; 78. the wire harness automatic winding and unwinding assembly; 79. a breakpoint judgment module; 80. adjusting the spring rod; 81. self-adaptive limiting clamps; 82. a support; 791. a leakage switch box; 792. a circuit connecting clip; 793. a fire extinguisher; 781. a take-up and pay-off roller; 782. a spiral spring.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-14.

The embodiment of the application discloses wire is dragged and is done physical properties detecting system with antitorque and detection technology, both carried out the performance detection to the wire, detects the drawing ductility and the antitorque pivoted performance of wire, can carry out wear-resisting detection to the exocuticle of wire, and the in-process that detects simultaneously can detect whether the state of the inside sinle silk of wire breaks.

Referring to fig. 1, a system for detecting physical properties of a lead wire, such as pulling and twisting resistance, disclosed in the present application, includes a detection table 1, where the detection table 1 is a main area for detecting the lead wire; the wire is after being fixed in the top of testing table 1, at first carries out tensile extension test to the wire by being fixed through dragging detection mechanism 4, detects the wire and whether it can break off at certain tensile within range, rotates the wire through antitorque detection mechanism 3 afterwards for the equal rotatory different angles in both ends of wire, torsional state appears in the wire this moment, observes the wire and whether can appear inside fracture or the tearing condition of outside epidermis.

The middle part of the upper end of the detection workbench 1 is provided with a wear-resistant detection mechanism 6 for performing wear-resistant detection on the outer surface of the lead through a centering block 5 fixed on the detection workbench 1; after the wire is subjected to torsion and stretching detection, the friction detection is carried out on the outer skin of the wire.

It should be noted that the conductive wire in this embodiment is mainly a conductive wire in which a single core is disposed inside the conductive wire.

Referring to fig. 2 and 3, before the performance of the wire is detected, it is most important to improve the clamping stability of the wire, so that the wire fixing module 41 shown in fig. 2 can effectively ensure the clamping stability of the wire in this embodiment; specifically, the lead fixing module 41 includes a plurality of fixing frames 410 rotatably connected in the pull detection holes through bearings, the fixing frames 410 are annular structures, and the leads penetrate through the middle portions of the fixing frames; the impartial interval is seted up three inspection hole of dragging on two wire fixed disks 40, it is fixed with fixed frame 410 to drag the inspection hole internal fixation, the middle part of fixed frame 410 also is equipped with the hole of placing the wire, fixed frame 410 is the loop configuration, the effect of its effect is in order to place the wire, before the wire detects, pass the wire from the fixed frame 410 of one side afterwards through wear-resisting detection mechanism 6 enter into another fixed frame 410 in, the both ends of wire all contradict on fixed frame 410 this moment.

Clamping electric push rods 411 for clamping the conducting wire are fixed in the fixing frame 410 at equal intervals, the output ends of the clamping electric push rods 411 are connected with clamping blocks 412 which are uneven and movably contacted with the conducting wire, and the left outer side wall and the right outer side wall of the fixing frame 410 are both fixedly connected with annular plates 413 through pin shafts; after the wire is placed in fixed frame 410, centre gripping electric putter 411 starts, centre gripping electric putter 411 drives grip block 412 and carries out the centre gripping to the both ends of wire fixed, in order to improve the frictional force between grip block 412 and the wire, then improve the clamping stability to the wire, grip block 412 surface sets up unevenness's rubber layer, and the line on rubber layer is opposite with the wire that the level was placed, the line on rubber layer is vertical state, then further improvement is stable to the centre gripping of wire.

Specifically, the fixed frame 410 that passes of the wire that will wait to detect to place the middle part of two fixed frames 410 with the both ends of wire, promote grip block 412 through centre gripping electric putter 411 and carry out the centre gripping to the wire, the wire is all exposed the part at the both ends of wire when by the centre gripping, and it not only can improve the stability to the wire centre gripping, can guarantee again that the wire is under the fixed state, is convenient for detect detection circuit's on the used universal meter clip and wire contact.

Referring to fig. 2 and 3, after the wire is fixed, the wire can be subjected to subsequent performance tests, and fig. 3 tests the tensile ductility of the wire by pulling; specifically, the pulling detection mechanism 4 comprises wire fixing discs 40 fixedly mounted on the two vertical frames 2, three pulling detection holes corresponding to the wires are formed in the wire fixing discs 40, and a wire fixing module 41 is arranged inside each pulling detection hole; detection achievement platform 1 in this embodiment is last to be equipped with two direction fixed disks, has all seted up three inspection hole of dragging on two wire fixed disks 40, and the effect of wire fixed disk 40 and fixed frame 410 is fixed the wire.

Three groups of adjusting rods are hinged on the side walls of the two guide fixing discs, each group of adjusting rods comprises two inclined rods 42 which are hinged with each other, the opposite sides of the two inclined rods 42 are hinged with the wire fixing disc 40 respectively, and two adjusting plates 44 which are symmetrically distributed in the front and back are hinged on the inclined rod 42 on one side in each group of adjusting rods; two horizontal columns 47 which are symmetrical front and back are fixedly distributed at the left end and the right end of the middle block 5 for the vertical frame 2 to slide left and right, and the vertical frame 2 is arranged on the horizontal columns 47 in a sliding manner; two direction fixed disks that establish on the testing workbench 1 are connected through three groups of regulation poles, and every group is adjusted the pole and is two articulated down tube 42 each other to the direction fixed disk can remove about along horizontal column 47 through perpendicular frame 2, and the effect of two down tube 42 is that the promotion direction fixed disk removes tensile, and the distance that two direction fixed disks removed is the same, therefore two down tube 42 have the effect of carrying out flexible again, have effect placed in the middle.

The two adjusting plates 44 are rotatably provided with vertical columns 45, the vertical column 45 on one side is fixedly connected with the centering block 5, the vertical column 45 on the other side is rotatably connected with the centering block 5 and is in a threaded structure, the lower end of the vertical column 45 in the threaded structure is provided with a lifting motor 46, and the lifting motor 46 is placed inside the centering block 5; two vertical posts 45 are provided at the upper end of the middle block 5, one vertical post 45 is used for guiding the inclined rod 42 to move up and down, and the other vertical post 45 is used for improving power by moving the inclined rod 42.

Specifically, the lifting motor 46 is started, the lifting motor 46 drives the vertical column 45 with a threaded structure to rotate, the adjusting plate 44 in threaded connection with the vertical column 45 drives the two inclined rods 42 to synchronously move up and down along the vertical column 45, in an initial state, the two inclined rods 42 are in a triangular state, and one side, close to each other, of the two inclined rods 42 is at the highest point; after the wires are fixed, the lifting motor 46 drives the inclined rods 42 to move downwards, the two inclined rods 42 synchronously push the two wire fixing disks 40 to move relatively, the two wire fixing disks 40 are far away from each other, the wires fixed by the wire fixing disks 40 are gradually stretched, the state of the wires is observed until the two inclined rods 42 stop moving after being positioned at the same horizontal line, and the distance is the maximum distance that the two wire fixing disks 40 can move away from each other; and the maximum distance for detecting the stretching of the wire, wherein the maximum distance is set according to the regulation, and if the wire is broken, the wire is detected by the breakage detection platform 7.

In the above-mentioned stretching detection of the wire, the length of the wire is in accordance with the length of the device in this embodiment, if the length of the measured wire is longer; one of the two can cut out proper length on the wire fixing disc 40 to detect different performances, and the other can place the whole wire in the wire fixing disc 40 to fix and detect one part of the wire, and the other part is in a winding state.

Referring to fig. 4 and 5, when the pull detection mechanism 4 detects the wire; if the outer insulating skin of the wire is broken, the wire can be observed by naked eyes; if the wire core inside the wire breaks, the wire core cannot be observed through naked eyes, and the breakage detection platform 7 in the graph 4 can detect the wire in real time through a universal meter.

The fracture detection platform 7 comprises a horizontal placing plate 70 connected through a bracket 82 fixed on the central block 5, an actuating plate 71 is arranged at the upper end of the horizontal placing plate 70 in a left-right symmetry mode, and the opposite side of the actuating plate 71 is connected with an adjusting clamping plate 73 through a clamping spring 72; the horizontal placing plate 70 is used for supporting a universal meter required by detection, the universal meter is a known device and is used for detecting a lead, the adjusting clamp plate 73 is a structure for clamping and fixing the universal meter, the universal meter is prevented from falling or moving in the using process, and meanwhile, the adjusting clamp plate 73 is matched with the clamping spring 72 to achieve rapid replacement and placement of the universal meter; when a multimeter of different types is needed, the rapid replacement can be carried out; when a plurality of multimeters need to be placed, the multimeters can be clamped and fixed; when the universal meter is damaged, a new universal meter can be quickly replaced.

Two symmetrical adjusting grooves are symmetrically formed in the adjusting clamp plate 73 in the front-back direction, adjusting spring rods 80 are fixed in the two adjusting grooves, adaptive limiting clamps 81 are fixed on opposite sides of the two adjusting spring rods 80, the adaptive limiting clamps 81 are slidably arranged in the adjusting grooves, and the adjusting clamp plate 73 is slidably arranged on the horizontal placing plate 70; adjust and to press from both sides the regulation that 81 can carry out the fore-and-aft distance through the self-adaptation is spacing on the splint 73, consequently whole regulation splint 73 cooperation self-adaptation is spacing to press from both sides 81, can effectual realization carry out the centre gripping to the universal meter of unidimensional, further improvement the suitability of equipping, when the universal meter that is suitable for when appearing damaging, can look for new not unidimensional substitute universal meter, need not specific dimension's universal meter, great improvement the flexibility of device.

The upper end of the horizontal placing plate 70 is positioned at the left side and the right side of the execution plate 71, the supporting frames 74 are fixed, the transverse rods 75 are fixed on the supporting frames 74, the telescopic rods 76 are installed on the left side and the right side of the transverse rods 75 in a sliding mode, the guide rings 77 are fixed on the transverse rods 75 and the front side ends of the telescopic rods 76 at equal intervals, and the transverse rods 75 are provided with automatic wiring harness winding and unwinding assemblies 7878; the universal meter consists of a meter head, a detection circuit for detection and a clamp on the detection circuit, wherein the clamp clamps wire cores at two ends of a wire; after the multimeter is fixed to the adjustment clamp plate 73, the test lines on the multimeter are sequentially passed through the fixed guide rings 77, and the intermediate portions of the test lines are wound around the harness cord automatic retraction assembly 7878.

The detection circuit of the multimeter sequentially penetrates through the fixed guide ring 77 and the automatic winding and unwinding assembly 7878 of the wire harness, the clamp at the upper end of the detection circuit and the wire core of the fixed wire are clamped and fixed, the clamping force of the clamp is larger than the spring force of the automatic winding and unwinding assembly 7878 of the wire harness, and the clamp is prevented from being separated from the wire.

Specifically, after two detection circuits of the multimeter are connected with two ends of a wire, the gear of the multimeter is adjusted to a resistance gear, and when the resistance is displayed on the multimeter, the wire core inside the wire is broken at one or more positions; when the multimeter displays 000, the lead is a passage, and the wire core in the lead is not broken; if the wire core inside the wire is not broken and the outer insulating skin of the wire is broken, the wire is observed by naked eyes, and when special description is needed, the principle of a universal meter is adopted in the method for detecting whether the wire core of the wire is broken by the universal meter. - +

Referring to fig. 6, in the process of stretching and shortening the detection mechanism 4, if the detection circuit of the multimeter is too long, the detection circuit is prone to be entangled; if the detection circuit of the universal meter is too short, the clamp on the universal meter is propped away from the two ends of the lead from a fixed state because the length of the detection circuit is not enough when the pulling detection mechanism 4 is stretched, and then the fracture detection platform 7 cannot detect the fracture; therefore, the automatic wiring harness winding and unwinding assembly 78 ensures that the detection circuit of the multimeter can be passively extended and shortened, and the problem of winding and breaking of the line can be solved.

The automatic wire harness winding and unwinding assembly 78 comprises a winding and unwinding roller 781 rotatably connected to the transverse rod 75 through a bearing, the winding and unwinding roller 781 is used for winding and unwinding a measuring circuit of the multimeter, and a volute spiral spring 782 is connected between the side end of the winding and unwinding roller 781 and the transverse rod 75; the spiral spring 782 is spiral, one end of the spiral spring is connected with the winding roller, and the other end of the spiral spring is connected with the transverse rod 75; when the pulling detection mechanism 4 extends, the volute spiral spring 782 drives the take-up and pay-off roller 781 to rotate and release a detection circuit of the multimeter; when dragging detection mechanism 4 and stretching to accomplish the shrink, spiral spring 782 is through tensile produced elasticity for wind-up roll antiport, the passive shrink of detection circuitry of universal meter this moment, avoid then the circuit winding to appear.

It should be noted that three sets of multimeters for detecting the wires are arranged on the adjusting clamp plate 73 in this embodiment, each set of multimeter corresponds to one wire for detection, and the lines of the multimeters are all sleeved on the fixed guide ring 77 to be released and wound up synchronously.

Referring to fig. 7, after the inside of the wire is broken, in order to further improve the understanding of the degree of breakage and the breakage condition of the wire, the conventional method directly performs secondary processing on the wire, i.e., peeling all the wires, and if the wire core inside the wire is damaged due to improper peeling, it cannot be guaranteed that the broken part of the wire is caused by detection or is caused during peeling, so that the broken part of the wire can be detected, the broken position of the wire can be detected, and the wire can be subjected to targeted processing.

Breakpoint judgement module 79 includes that fixed electric leakage switch casket 791 on the wire fixed disk 40 lateral wall, and electric leakage switch casket 791 is connected with the live wire, be equipped with on the electric leakage switch casket 791 can with wire electric connection's circuit connection clamp 792, the upper end of piece 5 is equipped with the fire extinguisher 793 that is used for preventing the wire from catching fire in the middle of.

Specifically, operating personnel stops to detect it after detecting out the wire fracture, be connected with wire one end with circuit connection clamp 792 on the electric leakage switch casket 791 this moment, the other one end of wire links to each other with one side detection circuitry of universal meter, and adjust the universal meter to the voltage shelves, be perpendicular to wire with the clip on the detection circuitry of the other side of universal meter afterwards, and with the clip on the detection circuitry along wire slow moving, wait that alternating signal that the universal meter detected appears disappearing suddenly and descend fast, breakpoint on the wire is here this moment, and the position of breakpoint is no longer than 100 millimeters about.

Referring to fig. 8, 9 and 10, after the detection of the pulling performance of the wire is completed, the wire is subjected to torsion resistance detection, so that the efficiency of the detection of the performance of the wire is improved; specifically, the torsion resistance detection mechanism 3 comprises a plurality of ring gears 30 which are rotatably connected to the outer side walls of a plurality of ring plates 413, and torsion gears 31 which are rotatably arranged on the lead wire fixing discs 40 through bearings and are used for driving the plurality of ring gears 30 to synchronously rotate are arranged between the ring gears 30 on the two lead wire fixing discs 40 in a meshing manner; the torsion gear 31 drives the three ring gears 30 engaged with the side walls of the torsion gear to rotate at fixed points, and the fixing frame 410 drives the conducting wire to twist in the rotating process of the ring gears 30.

The opposite sides of the two torsion gears 31 are fixed with cross-shaped reversing shafts 32 which penetrate through the rotating disc 61 in a rotating mode, the two cross-shaped reversing shafts 32 are of telescopic structures, the opposite sides of the two cross-shaped reversing shafts 32 are fixedly connected with conical gears 33, the conical gears 33 are rotatably connected with gear limiting frames 34 on the wire fixing discs 40 on the left side of the detection workbench 1, and the reversing gears 35 which are rotatably connected with the gear limiting frames 34 are meshed with the two conical gears 33; the cross-shaped reversing shaft 32 and the bevel gear 33 have the function of relatively moving two symmetrically-distributed two torsion gears 31.

The wire fixing disc 40, the vertical fixing plate 60, the wear-resistant lantern ring 631 and the rotating disc 61 are all provided with movable holes for the rotation of the cross-shaped reversing shaft 32; the movable holes can ensure that the cross-shaped reversing shaft 32 rotates, and the cross-shaped reversing shaft 32 cannot collide with other structures in the device.

The torsion gear 31 on one side is connected with a torsion motor 36, and the torsion motor 36 is fixed on the wire fixing disc 40 through a motor base.

Specifically, firstly, the torsion motor 36 is started, the torsion motor 36 drives the torsion gear 31 on the left side to rotate, the torsion gear 31 on the left side drives the three ring gears 30 connected with the torsion gear 31 to rotate in the rotating process, meanwhile, the torsion gear 31 on the left side drives the cross reversing shaft 32 on the left side of the detection workbench 1 connected with the torsion gear 31 on the left side to rotate, the cross reversing shaft 32 on the left side of the detection workbench 1 drives the bevel gear 33 on the left side of the detection workbench 1 to rotate reversely through the reversing gear 35, then, the bevel gear 33 on the right side of the detection workbench 1 drives the torsion gear 31 on the right side of the detection workbench 1 to rotate reversely through the cross reversing shaft 32, at the moment, the rotation directions of the bevel gear 33 on the right side of the detection workbench 1 are opposite to the rotation directions of the bevel gear 33 on the left side of the detection workbench 1, at the moment, the rotation directions of two ends of the wire can be opposite, and the twisting of the wire can be further ensured.

The torsion of torsion is improved by increasing the number of torsion turns continuously, when the lead is not broken in a certain reasonable torsion range, the quality of the lead is excellent, if the lead is broken in a certain reasonable range, the performance of the lead is poor, if the limit torsion resistance of the lead is to be detected in the reasonable range, the two torsion gears 31 are continuously rotated until the lead is broken, and the steps are repeated by the detection platform 7 for breaking the lead while torsion, so that the lead is synchronously detected in real time.

After dragging nature detection mechanism and antitorque nature detection mechanism and detect the completion alone, can drag and twist reverse the operation to the wire simultaneously, mix through two kinds of modes and detect the wire to this detects the contrast alone, thereby the accuracy that further assurance detected improves the effect that detects.

Second embodiment on the basis of the first embodiment, in order to further improve the detection effect on the performance of the wire, the present embodiment provides a wear-resistant detection mechanism 6, and the wear-resistant detection mechanism 6 detects the performance of the wire by rubbing the insulating outer skin of the wire.

Referring to fig. 11, after the wire is subjected to the pulling performance detection and the torsion resistance detection, in order to further improve the physical performance detection of the wire, the insulating outer skin of the wire is also a very important detection object, and the insulating outer skin can not only protect the core of the wire, but also increase the pulling performance and the torsion resistance of the wire.

The wear-resistant detection mechanism 6 comprises a vertical fixing plate 60 fixed at the upper end of the middle block 5, the right side of the vertical fixing plate 60 is rotatably connected with two rotating disks 61 which are vertically distributed and have different sizes, and the rotating disks 61 are alternately provided with grooves and lugs at equal intervals along the circumferential direction; the grooves and the projections provided on the rotary disk 61 can obtain fine peaks and valleys, and then a certain distance difference is obtained.

Annular guide grooves are distributed in the middle of the grooves and the middle of the bumps for driving the reciprocating rods 62 to slide in a guiding mode, the reciprocating rods 62 are abutted against the annular guide grooves at equal intervals, and wear-resistant detection parts 63 are arranged at the side ends of the reciprocating rods 62; the annular guide groove activates the guiding function, ensuring that the reciprocating lever 62 can be tightly leaned against the rotating disc 61.

The side wall of each wear-resistant detection hole of the wear-resistant collar 631 is fixed with a guide frame 636, the upper end of the guide frame 636 is fixed with an arc-shaped plate 637, one end of the guide frame 636, which is far away from the wear-resistant collar 631, is connected with a return spring 639, one side of the return spring 639, which is far away from the wear-resistant collar 631, is provided with the same guide frame 636 and the same arc-shaped plate 637, and the guide frames 636 and the arc-shaped plates 637 are provided with a plurality of guide frames 636; the effect of arc 637 is to bearing the wire, guarantees that the wire all places on arc 637, avoids many winding circumstances appearing with the wire, and wear-resisting lantern ring 631 can make the position between every adjacent guide 636 can carry out automatically regulated through reset spring 639 when carrying out reciprocating motion simultaneously.

Referring to fig. 11 and 12, a power source for driving the rotating disk 61 to rotate is shown; the driving member 64 includes two belts 641 sleeved on the rotating disks 61 distributed up and down, the rotating disk 61 located at the lower end of the vertical fixing plate 60 is connected with a driving motor 642, and the driving motor 642 is connected with the centering block 5 through a motor base; the driving motor 642 drives the rotating disc 61 with two different sizes through the belt 641 to rotate, wherein the two rotating discs 61 with different sizes are used for ensuring that the wear-resistant sleeve ring 631 can rotate, the rotating disc 61 at the upper end of the vertical fixing plate 60 is large, certain reciprocating movement distance can be provided for the reciprocating movement of the wear-resistant sleeve ring 631, the rotating disc 61 at the lower end of the vertical fixing plate 60 is small, the occupied space is reduced, and the larger moving space is improved by detection for a lead.

A traction rod 643 is hinged to the front side wall of the wear-resistant lantern ring 631, a wear-resistant lantern ring 631 identical to the reciprocating rod 62 is hinged to the left side of the traction rod 643, and the wear-resistant lantern ring 631 is connected with the center block 5 through an identical limiting plate 634 and a limiting spring rod 635; wear-resisting lantern ring 631 is provided with two, and two wear-resisting lantern rings 631 set up the left and right sides in detection workstation 1 upper end respectively, and wear-resisting lantern ring 631 carries on spacingly to it through spacing spring pole 635 for wear-resisting lantern ring 631 can only stretch out and draw back about can going on, and the effect of traction lever 643 is connected two wear-resisting lantern rings 631, makes two wear-resisting lantern rings 631 can synchronous motion.

Specifically, the driving motor 642 is started, the driving motor 642 enables the two rotating disks 61 to rotate through the belt 641, when the rotating disk 61 at the upper end of the vertical fixing plate 60 rotates, the reciprocating rod 62 which is abutted to the right side wall of the vertical fixing plate is extruded, the reciprocating rod 62 is further enabled to reciprocate left and right along the annular guide groove, then the reciprocating rod 62 drives the wear-resistant sleeve ring 631 to reciprocate left and right, and the wear-resistant sleeve ring 631 performs reciprocating friction on the lead.

Referring to fig. 11, 12 and 13, which are schematic structural diagrams of the wear-resistant detection component 63, the wear-resistant detection component 63 includes a wear-resistant collar 631 connected to one end of the reciprocating rod 62 away from the annular guide groove and used for performing left-right reciprocating friction on the lead, and three sets of wear-resistant detection holes corresponding to the lead and used for detecting the lead are formed in the wear-resistant collar 631; before the installation wire, the wire need pass the wear-resisting inspection hole on the wear-resisting lantern ring 631, guarantees that three wire can the alternate segregation, avoids the wire under the state of being in lax, and the winding appears in the part in the middle of the wire, also can be convenient for simultaneously follow-up insulating extexine to the wire carries out the friction and detects.

A plurality of wear-resistant springs 632 are circumferentially arranged in the wear-resistant detection hole, the opposite sides of the wear-resistant springs 632 are connected with wear-resistant sheets 633, the lower end of the wear-resistant collar 631 is fixedly provided with a limiting plate 634 for limiting the wear-resistant collar 631, the limiting plate 634 is fixedly connected with the centering block 5 through a limiting spring rod 635, and the side wall of the wear-resistant collar 631 is provided with a driving piece 64 for driving the rotating disc 61 to rotate; when passing the wire through the wear-resistant detection hole on the wear-resistant collar 631, the wear-resistant sheet 633 supports against the surface of the wire through the elasticity of the wear-resistant spring 632, and the embodiment can clamp and fix wires of different sizes, and can also perform wear-resistant detection on the wires of different sizes synchronously.

Specifically, in the process that the wear-resistant sleeve ring 631 slides in a left-right reciprocating manner, the wear-resistant sheet 633 on the wear-resistant sleeve ring 631 abuts against the surface of the wire, so that when the wear-resistant sleeve ring 631 moves in a reciprocating manner, the wear-resistant sheet 633 also synchronously rubs the insulating outer skin on the surface of the wire, when the insulating outer skin is rubbed, a certain amount of heat is generated, when the heat reaches a certain degree, certain influence is caused on a wire core inside the wire, for example, the possibility of breakage occurs, and at this time, the breakage detection platform 7 synchronously detects in real time; when the insulating outer skin is not damaged in the reciprocating friction process, the state of the insulating outer skin of the wire is observed, whether more white marks appear on the surface of the insulating outer skin or whether the insulating outer skin of the wire cannot rebound within a certain time is observed, and the performance of the wire is comprehensively judged.

Referring to fig. 14, in addition, the embodiment further discloses a process for detecting physical properties of a lead wire during pulling and twisting, which comprises the following specific steps:

s1, placing a lead: carry out random sampling to the batched wire that needs detected, random sampling selects a plurality of wires, will wait to examine later that to detect the wire and place respectively on the wire fixed disk 40 and pull in the detecting hole, fix it respectively through grip block 412, place the universal meter and go up fixedly on fracture detection platform 7 afterwards to clip on the detection circuitry on with the universal meter and the sinle silk at wire both ends are to being connected.

S2, pulling and detecting: through adjusting the position of two wire fixed disks 40, make its relative motion, stretch the wire through relative motion, improve tensile length through constantly increasing the distance between the two, realize then dragging the detection to the wire.

S3, fracture judgment: the universal meter is matched with the detection circuit to connect the two ends of the lead, when the lead is broken, the resistance value on the universal meter is not large, otherwise, the resistance value is zero.

S4, torsion resistance detection: the two torsion gears 31 are rotated to different directions, so that the two ends of the wire are twisted relatively, the torsion force of the wire is changed by increasing the rotation number of the torsion gears 31 differently, and then the wire is pulled and detected; and can drag the wire and twist reverse the synchronous going on, detect the performance of wire to record the state of wire constantly, and detect the fracture through fracture testing platform 7 to the inside sinle silk of wire.

S5, wear resistance detection: the wear-resistant sheet 633 is abutted against the outside of the lead, then the insulating outer skin outside the lead is rubbed in a left-right reciprocating motion mode, and the quality and the performance of the outer skin of the lead are detected through continuous reciprocating rubbing.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (10)

1. A wire pulling and torsion resistant physical property detection system is characterized in that: the detection device comprises a detection workbench (1), wherein two vertical frames (2) which are symmetrically distributed in the left-right direction are arranged on the detection workbench (1), a pulling detection mechanism (4) and an anti-torsion detection mechanism (3) which are used for detecting the performance of a wire are respectively arranged on the inner side and the outer side of each vertical frame (2), a wear-resisting detection mechanism (6) which is used for performing wear-resisting detection on the outer skin of the wire is arranged in the middle of the upper end of the detection workbench (1) through a centering block (5) fixed on the detection workbench (1), and the detection device also comprises a fracture detection platform (7) which monitors the state of the wire in the whole process of wire detection;

wear-resisting detection mechanism (6) are including fixed vertical fixed plate (60) on piece (5) in the middle of the house, the right side of vertical fixed plate (60) is rotated and is connected two rotation disc (61) that distribute about and the variation in size, rotation disc (61) circumference is equidistant to be equipped with recess and lug in turn, it has the annular guide way to divide cloth to be used for ordering about reciprocating lever (62) to slide on recess and the lug equally, reciprocating lever (62) equidistant conflict is on the annular guide way, reciprocating lever (62) side is equipped with wear-resisting detection part (63).

2. A wire pulling and twisting resistance physical property detecting system according to claim 1, wherein: the wear-resistant detection part (63) comprises a wear-resistant lantern ring (631) which is used for conducting reciprocating friction on a lead and is connected with one end of the annular guide groove in a far-away mode through a reciprocating rod (62), three groups of wear-resistant detection holes which correspond to the lead and are used for placing the lead are formed in the wear-resistant lantern ring (631), a plurality of wear-resistant springs (632) are arranged in the wear-resistant detection holes along the circumferential direction, wear-resistant sheets (633) are connected to opposite sides of the wear-resistant springs (632), a limiting plate (634) used for limiting the wear-resistant lantern ring (631) is fixedly installed at the lower end of the wear-resistant lantern ring (631), the limiting plate (634) is fixedly connected with a centering block (5) through a limiting spring rod (635), and a driving piece (64) is arranged on the side wall of the wear-resistant lantern ring (631) and used for driving the rotating disc (61) to rotate;

all fix guide frame (636) on the lateral wall of every wear-resisting inspection hole of wear-resisting lantern ring (631), arc (637) are fixed to the upper end of guide frame (636), and reset spring (639) is connected to the one end that wear-resisting lantern ring (631) was kept away from in guide frame (636), and one side that wear-resisting lantern ring (631) was kept away from in reset spring (639) is equipped with same guide frame (636) and arc (637), and guide frame (636) and arc (637) are provided with a plurality ofly.

3. A wire pulling and twisting resistance physical property detecting system according to claim 2, wherein: the driving piece (64) comprises two rotating disks (61), a belt (641) is sleeved on the two rotating disks (61), a driving motor (642) is connected to the rotating disks (61) located at the lower end of the vertical fixing plate (60), the driving motor (642) is connected with the centering block (5) through a motor base, the front side wall of the wear-resistant sleeve ring (631) is hinged to a traction rod (643), the left side of the traction rod (643) is hinged to a wear-resistant sleeve ring (631) which is the same as the reciprocating rod (62), and the wear-resistant sleeve ring (631) is connected with the centering block (5) through a same limiting plate (634) and a limiting spring rod (635).

4. A wire pulling and kink resistance physical property detection system according to claim 1 and characterized by: pull detection mechanism (4) and include equal fixed mounting's wire fixed disk (40) on two perpendicular framves (2), set up the three inspection hole of pulling that corresponds with the wire on wire fixed disk (40), the inside of pulling the inspection hole is equipped with wire fixed module (41), it has three group's regulation poles to articulate on the lateral wall of two direction fixed disks, every group regulation pole includes two articulated down tube (42) each other, one side that two down tube (42) carried on the back is articulated in wire fixed disk (40) respectively, articulated two regulating plate (44) of back symmetric distribution before and after on one side down tube (42) in every group regulation pole, all rotate on two regulating plate (44) and be equipped with perpendicular post (45), perpendicular post (45) and the piece (5) fixed connection placed in the middle of one side, perpendicular post (45) of opposite side and piece (5) rotation connection between the middle and be the helicitic texture, helicitic texture's perpendicular post (45) lower extreme is equipped with elevator motor (46), elevator motor (46) are placed in the inside of piece (5) placed in the middle, the left and right sides both ends equal fixed distribution of two ends level vertical post (47) symmetry around the perpendicular post (47) slide and establish horizontal sliding frame (2) on horizontal sliding frame (2).

5. A wire pulling and kink resistance physical property detection system according to claim 4 characterized by: fixed module of wire (41) rotate fixed frame (410) of connecting through the bearing including a plurality of pulling in the detection hole, fixed frame (410) wear to establish its middle part for loop configuration and wire, equidistant fixed centre gripping electric putter (411) of carrying out the centre gripping to the wire in fixed frame (410), the output of centre gripping electric putter (411) is connected with unsmooth and with wire movable contact's grip block (412), two lateral walls all are through round pin axle fixedly connected with annular slab (413) about fixed frame (410).

6. A wire pulling and kink resistance physical property detection system according to claim 1 and characterized by: torsion-resistant detection mechanism (3) all rotate ring gear (30) of connecting on a plurality of annular plate (413) lateral wall, meshing is installed between ring gear (30) on two wire fixed disks (40) and is rotated the setting and be used for driving a plurality of ring gear (30) synchronous rotation's torsion gear (31) on wire fixed disk (40) through the bearing, two torsion gear (31) opposite sides all are fixed with rotation and run through cross reversing shaft (32) of rotating disc (61), and two cross reversing shaft (32) are extending structure, the equal fixed connection conical gear (33) of opposite side of two cross reversing shaft (32), conical gear (33) rotate and connect gear spacing frame (34) on detecting workstation (1) left wire fixed disk (40), and through rotating reversing gear (35) of connecting on gear spacing frame (34) and two conical gear (33) mesh mutually, wire fixed disk (40), vertical fixed plate (60), wear-resisting lantern ring (631) and rotating disc (61) all are equipped with on all and supply cross reversing shaft (32) pivoted movable hole, one side torsion gear (31) is connected with on twisting motor (36) and twists reverse motor seat (40).

7. A wire pulling and kink resistance physical property detection system according to claim 1 and characterized by: the fracture detection platform (7) comprises a horizontal placing plate (70) connected through a bracket (82) fixed on the middle block (5), an execution plate (71) is installed at the upper end of the horizontal placing plate (70) in a left-right symmetrical mode, and the opposite side of the execution plate (71) is connected with an adjusting clamping plate (73) through a clamping spring (72);

two symmetrical adjusting grooves are symmetrically formed in the adjusting clamp plate (73) in the front-back direction, adjusting spring rods (80) are fixed in the two adjusting grooves, self-adaptive limiting clamps (81) are fixed on opposite sides of the two adjusting spring rods (80), the self-adaptive limiting clamps (81) are arranged in the adjusting grooves in a sliding mode, and the adjusting clamp plate (73) is arranged on the horizontal placing plate (70) in a sliding mode;

the upper end of the horizontal placing plate (70) is located on the left side and the right side of the execution plate (71) to fix the support frames (74), transverse rods (75) are fixed on the support frames (74), telescopic rods (76) are slidably mounted on the left side and the right side of each transverse rod (75), guide rings (77) are fixed on the front side ends of the transverse rods (75) and the telescopic rods (76) at equal intervals, a wiring harness automatic winding and unwinding assembly (78) is arranged on each transverse rod (75), and a breakpoint judgment module (79) is arranged on each wire fixing disc (40).

8. A wire pulling and kink resistance physical property detection system according to claim 7 and characterized by: breakpoint judgement module (79) include fixed electric leakage switch casket (791) on wire fixed disk (40) lateral wall, and electric leakage switch casket (791) is connected with the live wire, be equipped with on electric leakage switch casket (791) can with wire electric connection's circuit connection clamp (792), the upper end of piece (5) placed in the middle is equipped with fire extinguisher (793) that are used for preventing the wire from catching fire.

9. A wire pulling and kink resistance physical property detection system according to claim 7 and characterized by: the automatic subassembly (78) that receive and releases of pencil is including rolling up and releasing roller (781) of connection on transverse bar (75) through the bearing rotation, receive and releases roller (781) and be used for rolling up and releasing the measuring circuit of universal meter, is connected with scroll spring (782) between the side of receiving and releasing roller (781) and transverse bar (75).

10. A process for detecting a physical property of a wire in pulling and twisting, comprising the system for detecting a physical property of a wire in pulling and twisting of any one of claims 1 to 9, wherein: the detection process of the wire pulling and torsion resistant physical properties comprises the following steps:

s1, placing a lead: randomly sampling batched wires to be detected, respectively placing the wires selected by sampling on a wire fixing disc (40) for fixing, and connecting two ends of the wires with a fracture detection platform (7);

s2, pulling detection: the wire is subjected to stretching detection through a stretching detection mechanism (4), the extensible length of the wire in a certain range is detected, and the state of the wire is recorded constantly;

s3, fracture judgment: the lead is detected through a fracture detection platform (7), and when the lead is fractured, the lead can be detected through a universal meter and digital display is carried out;

s4, torsion resistance detection: the torsion detection is carried out on the lead by the torsion-resistant detection mechanism (3), the torsion angle of the lead is detected within a certain range, and the state of the lead is recorded at any time;

s5, wear resistance detection: the quality and performance of the outer skin of the lead are detected by rubbing the lead.

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