CN117825900B - Pressure-resistant testing device and method for embedded cable harness - Google Patents
Pressure-resistant testing device and method for embedded cable harness Download PDFInfo
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- CN117825900B CN117825900B CN202410254143.9A CN202410254143A CN117825900B CN 117825900 B CN117825900 B CN 117825900B CN 202410254143 A CN202410254143 A CN 202410254143A CN 117825900 B CN117825900 B CN 117825900B
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- 238000012360 testing method Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title abstract description 24
- 238000007747 plating Methods 0.000 claims description 33
- 230000002457 bidirectional effect Effects 0.000 claims description 31
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 28
- 239000010931 gold Substances 0.000 claims description 14
- 229910052737 gold Inorganic materials 0.000 claims description 14
- 230000033001 locomotion Effects 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
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- 241000218202 Coptis Species 0.000 description 7
- 235000002991 Coptis groenlandica Nutrition 0.000 description 7
- 208000027418 Wounds and injury Diseases 0.000 description 6
- 238000009413 insulation Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
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Abstract
The invention belongs to the technical field of cable testing, in particular to a pressure-resistant testing device and a pressure-resistant testing method for an embedded cable harness. According to the voltage withstand testing device and method for the embedded cable harness, the supporting and adjusting mechanism is arranged, so that the plurality of gold-plated wire clamps can be conveniently driven to clamp scattered wires in the scattered cable harness to be tested at one time, the testing efficiency is improved, the positions, which are contacted with the scattered wires, of the gold-plated wire clamps are in an open state in the moving process of the gold-plated wire clamps, and further the scattered wires are prevented from being pulled, so that the effect of conveniently and rapidly fixing the scattered wires is achieved.
Description
Technical Field
The invention relates to the technical field of cable wire testing, in particular to a pressure-resistant testing device and method for a pre-buried cable harness.
Background
The Chinese patent with publication number CN115963365A discloses an insulation and withstand voltage testing device of a pre-buried cable harness, and relates to the technical field of cable testing, and the device comprises: the wiring unit is used for connecting a plurality of embedded cable harnesses to be tested; the switching unit is connected with the wiring unit and used for switching a plurality of embedded cable harnesses to be tested to the voltage withstanding test unit and/or the insulation test unit; the voltage withstand test unit is connected with the switching unit and is used for testing the voltage withstand performance of a plurality of embedded cable harnesses to be tested; and the insulation test unit is connected with the switching unit and is used for testing insulation resistance values of a plurality of embedded cable harnesses to be tested. The device realizes the quick and convenient insulation and pressure-resistant test of the scattered wires of the embedded cable by operating on the test tool table, and has the characteristics of comprehensive test and high efficiency.
But above-mentioned patent adopts binding post to insert test fixture platform with a large amount of scattered lines in the pre-buried cable pencil in the use, but this mode needs to be connected scattered lines in the pre-buried cable pencil and binding post one by one in the use, and consequently this step is too loaded down with trivial details in the test process, is inconvenient for quick fixed with scattered lines in the pre-buried cable pencil, and is artifical handheld high-voltage gun in proper order to these scattered lines simultaneously in use and carries out withstand voltage test, produces the potential safety hazard easily.
Disclosure of Invention
The invention provides a pressure-resistant testing device and a pressure-resistant testing method for an embedded cable harness based on the technical problems that the existing pressure-resistant testing for the embedded cable harness needs to sequentially clamp scattered wires in the embedded cable harness and conduct high-pressure testing on a plurality of scattered wires one by one in the using process, so that the testing process is too complicated and the testing efficiency is low.
The invention provides a pressure-resistant testing device for embedded cable harnesses, which comprises a trolley, a cable harness to be tested wound on a winding roller, a test bench, a pressure-resistant tester arranged on the test bench and a high-pressure gun connected to the pressure-resistant tester, wherein the upper surface of the test bench is provided with a supporting and clamping device, the supporting and clamping device comprises a gold wire plating clip, a moving mechanism and an adjusting mechanism, the wire on the gold wire plating clip is spliced with the pressure-resistant tester, the upper surface of the test bench is fixedly provided with a support frame, and the lower surface of a cross beam of the support frame is provided with a testing mechanism;
The moving mechanism is used for driving the gold-plated wire clamp to linearly move;
The adjusting mechanism is used for adjusting the clamping force of the gold plating wire clamp in an elastic manner;
The testing mechanism is used for driving the high-voltage gun to test scattered wires in the cable harness to be tested one by one.
Preferably, the moving mechanism comprises a mounting plate fixedly mounted on the test bench, a support is fixedly mounted on one side of the upper surface of the mounting plate, a forward-reverse motor is fixedly mounted on the upper surface of the support, one end of an output shaft of the forward-reverse motor penetrates through the support and is fixedly sleeved with a driving gear, the lower surface of the driving gear is mounted on the upper surface of the mounting plate through a bearing, a driven gear is mounted on the upper surface of the mounting plate through a bearing, and the surface of the driving gear is meshed with the surface of the driven gear.
Through the technical scheme, the rotation of the output shaft of the forward and reverse rotation motor drives the driving gear connected with the output shaft to rotate, and the rotation of the driving gear drives the driven gear meshed with the driving gear to rotate.
Preferably, the surface of driven gear is annular array and runs through and has offered the chute, the inner wall sliding connection of chute has the traveller, the upper surface of mounting panel is annular array and distributes and seted up the spacing groove, the lower extreme of traveller extend to in the spacing groove and with the inner wall slip joint in spacing groove, the upper surface fixed mounting of traveller is connected with the extension board, the upper surface of extension board pass through the round pin axle with plate gold thread clip's surface hinge.
Through the technical scheme, when the driven gear rotates, the chute can guide the sliding column to slide along the inner wall of the sliding column, and the sliding column can be driven to move along the inner wall of the limiting groove by the movement of the sliding column, so that the control of the sliding column can be realized by the rotation of the driven gear, and the sliding column can be further moved along the inner wall of the limiting groove.
Preferably, the adjusting mechanism comprises a servo motor fixedly installed on one side surface of the support plate, a groove is formed in the upper surface of the support plate, a bidirectional screw rod is installed on the inner wall of the groove through a bearing, clamping plates are sleeved on the surfaces of two ends of the bidirectional screw rod in a threaded mode, the surfaces of the clamping plates are in sliding clamping connection with the inner wall of the groove, and one end of an output shaft of the servo motor extends into the support plate and is in transmission connection with the bidirectional screw rod through a worm gear.
Through above-mentioned technical scheme, the rotation of servo motor output shaft drives two-way lead screw through worm gear and worm and rotates, and two splint of its surface are driven in the rotation of two-way lead screw and are carried out relative motion on its surface along the recess inner wall.
Preferably, the surfaces of the opposite sides of the two clamping plates are fixedly provided with vacuum chucks, and the surfaces of the gold-plated wire clamps are adsorbed by the vacuum chucks.
Through the technical scheme, the movement of the clamping plate drives the vacuum chuck to move, so that the vacuum chuck is driven to adsorb or loosen the gold wire plating clamp conveniently.
Preferably, the upper surface of mounting panel is through connecting block fixed mounting has the division board, the surface of division board is annular array distribution and has seted up the perforation, the testboard with the through-hole has all been seted up to the upper surface of mounting panel, the surface of the cable pencil that awaits measuring with the inner wall sliding connection of through-hole, the scattered line in the cable pencil that awaits measuring with fenestrate inner wall sliding connection.
Through the technical scheme, scattered wires in the cable harness to be tested are conveniently dispersed, and scattered wires are prevented from being wound.
Preferably, the upper surface of the separation plate is provided with a baffle, and the lower surface of the baffle is provided with positioning grooves in an annular array distribution.
Through the technical scheme, the locating groove limits the distribution of scattered wires in the cable harness to be tested, and the gold-plating wire clip is convenient to clamp the scattered wires, so that the scattered wires are prevented from being intertwined.
Through setting up the division board to set up the baffle of constant head tank in the bottom on the division board, be convenient for disperse the scattered line in the cable pencil that awaits measuring, and make the scattered line that disperses prop open according to certain direction, thereby be convenient for plate gold thread clip to its fixed surface, improve test efficiency.
Preferably, the testing mechanism comprises a rotating motor fixedly installed on the upper surface of the supporting frame, one end of an output shaft of the rotating motor penetrates through the supporting frame and is fixedly sleeved with a rotary disc, and the upper surface of the rotary disc is installed on the lower surface of a cross beam of the supporting frame through a bearing.
Through above-mentioned technical scheme, the rotation of rotating electrical machines output shaft drives the carousel rotation of being connected with it.
Preferably, the lower surface of the turntable is fixedly provided with a telescopic cylinder, and one end of a piston rod of the telescopic cylinder is fixedly provided with a hydraulic clamping jaw.
Through the technical scheme, the hydraulic clamping jaw clamps and fixes the high-pressure gun, and the up-and-down expansion of the piston rod of the expansion cylinder drives the high-pressure gun to move through the hydraulic clamping jaw, so that the front end of the high-pressure gun is contacted with or far away from scattered wires in the cable harness to be tested.
The invention provides a use method of a voltage withstand test device for a pre-buried cable harness, which comprises the following steps:
S1, clamping a high-pressure gun connected with a pressure-resistant tester by using a hydraulic clamping jaw;
S2, placing the cable harness to be tested which is wound on the wind-up roller into the test bench through the trolley, then stripping the cable sheath to enable scattered wires in the cable harness to be tested to be scattered, enabling one end of the scattered wires in the cable harness to pass through the through hole and pass through a perforation on the separating plate, covering the separating plate with the baffle plate, enabling the locating groove to clamp the scattered wires in the cable harness to be tested, and accordingly stretching the cable harness to be tested according to a certain direction;
S3, the clamping plates are adsorbed by the vacuum chuck, the servo motor is started, the anticlockwise rotation of an output shaft of the servo motor drives the bidirectional screw rod to rotate clockwise through the worm gear and the worm, and the clockwise rotation of the bidirectional screw rod drives the two clamping plates on the surface of the bidirectional screw rod to mutually gather and move along the inner wall of the groove, so that the gold-plating wire clamp is extruded, and one end of the gold-plating wire clamp, which is close to a cable harness to be tested, is in an open state;
S4, starting a forward and backward rotating motor, wherein the rotation of an output shaft of the forward and backward rotating motor drives a driving gear connected with the forward and backward rotating motor to rotate, the rotation of the driving gear drives a driven gear meshed with the driving gear to rotate, a chute on the surface of the driven gear guides a sliding column to slide along the inner wall of the driven gear, the sliding column is also driven to move along the inner wall of a limiting groove, so that the sliding column is controlled to move, a support plate is driven to move by the movement of the sliding column, a gold plating wire clamp is driven to move by the movement of the support plate, and when the support plate is moved to a certain position, a servo motor output shaft rotates clockwise to drive a bidirectional lead screw to rotate anticlockwise, the anticlockwise rotation of the bidirectional lead screw drives two clamping plates to move away from each other, and meanwhile, a gold plating wire clamp is conveniently clamped by a gold plating clamp to clamp a scattered wire in a cable harness to be tested;
s5, inserting the wires on the gold wire plating clips into the withstand voltage tester;
S6, starting a rotating motor, wherein the rotation of an output shaft of the rotating motor drives a turntable connected with the rotating motor to rotate, and the rotation of the turntable drives a telescopic cylinder and a hydraulic clamping jaw to move, so that the hydraulic clamping jaw is positioned above a gold plating wire clamp of a voltage withstand tester, and then the rotating motor stops running, and a piston rod of the telescopic cylinder stretches out to drive the hydraulic clamping jaw and a high-voltage gun to be close to a scattered wire in a cable harness to be tested which is clamped by the gold plating wire clamp, so that the scattered wire is subjected to voltage withstand test;
And S7, after the test is completed, turning off a power supply of the voltage-resistant tester, pulling out the electric wire of the gold-wire-plated clamp connected to the voltage-resistant tester, replacing the electric wire of the other gold-wire-plated clamp, and repeating the steps until all the scattered wires in the cable harness to be tested are tested.
The beneficial effects of the invention are as follows:
1. Through setting up supporting adjustment mechanism, be convenient for drive a plurality of gilt fastener one-time to the scattered line centre gripping in the cable harness that awaits measuring of scattering to improve test efficiency, and make its and the position of scattered line contact be in open state at the in-process that the drive plated gold thread clip removed, and then avoid pulling the scattered line, reach the effect of being convenient for fix the scattered line fast.
2. Through setting up the division board to set up the baffle of constant head tank in the bottom on the division board, be convenient for disperse the scattered line in the cable pencil that awaits measuring, and make the scattered line that disperses prop open according to certain direction, thereby be convenient for plate gold thread clip to its fixed surface, improve test efficiency.
3. Through setting up testing mechanism, avoid artifical handheld high-pressure rifle to carry out high-pressure test to the cable to stopped staff and received the potential safety hazard production of injury.
Drawings
FIG. 1 is a schematic diagram of a voltage withstanding test device and method for pre-buried cable harnesses according to the present invention;
FIG. 2 is a perspective view of a cart structure of a device and a method for testing withstand voltage of a pre-buried cable harness according to the present invention;
FIG. 3 is a perspective view of a turntable structure of a device and a method for testing withstand voltage of a pre-buried cable harness according to the present invention;
FIG. 4 is a perspective view of a baffle structure of a device and a method for testing withstand voltage of a pre-buried cable harness according to the present invention;
FIG. 5 is a perspective view of a hydraulic clamping jaw structure of a pre-buried cable harness pressure-resistant testing device and method according to the invention;
FIG. 6 is a perspective view of a mounting plate structure of a device and method for testing withstand voltage of a pre-buried cable harness according to the present invention;
FIG. 7 is a perspective view of a driven gear structure of a device and method for testing withstand voltage of a pre-buried cable harness according to the present invention;
FIG. 8 is a perspective view of a separator plate structure of a device and method for testing withstand voltage of a pre-buried cable harness according to the present invention;
FIG. 9 is a perspective view of a limit slot structure of a device and method for testing withstand voltage of a pre-buried cable harness according to the present invention;
FIG. 10 is a perspective view of a gold-plated wire clip structure of a pre-buried cable harness withstand voltage testing apparatus and method according to the present invention;
FIG. 11 is a perspective view of a vacuum chuck structure of a pre-buried cable harness pressure resistance test device and method according to the present invention;
Fig. 12 is a perspective view of a bidirectional screw structure of a device and a method for testing withstand voltage of an embedded cable harness according to the present invention.
In the figure: 1. a cart; 2. a wind-up roll; 3. a cable harness to be tested; 4. a test bench; 5. a withstand voltage tester; 6. a high pressure gun; 7. a gold thread plating clip; 71. a mounting plate; 711. a bracket; 712. a forward and reverse rotation motor; 713. a drive gear; 714. a driven gear; 715. a chute; 716. a spool; 717. a limit groove; 718. a support plate; 72. a servo motor; 721. a groove; 722. a bidirectional screw rod; 723. a clamping plate; 724. a vacuum chuck; 8. a support frame; 9. a rotating electric machine; 91. a turntable; 92. a telescopic cylinder; 93. a hydraulic clamping jaw; 10. a separation plate; 11. perforating; 12. a through hole; 13. a baffle; 14. and a positioning groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-12, a withstand voltage testing device for pre-buried cable harnesses comprises a trolley 1, a cable harness 3 to be tested wound on a winding roller 2, a test table 4, a withstand voltage tester 5 installed on the test table 4 and a high-voltage gun 6 connected to the withstand voltage tester 5, wherein a supporting and clamping device is arranged on the upper surface of the test table 4 and comprises a gold plating wire clamp 7, a moving mechanism and an adjusting mechanism, wires on the gold plating wire clamp 7 are spliced with the withstand voltage tester 5, a supporting frame 8 is fixedly installed on the upper surface of the test table 4, and a testing mechanism is arranged on the lower surface of a cross beam of the supporting frame 8.
As shown in fig. 1-3 and fig. 5-7, in order to drive the gold plating wire clip 7 to perform linear movement, a moving mechanism is provided, the moving mechanism includes a mounting plate 71 fixedly mounted on the test bench 4, a support 711 is fixedly mounted on one side of an upper surface of the mounting plate 71, a forward and reverse motor 712 is fixedly mounted on an upper surface of the support 711, one end of an output shaft of the forward and reverse motor 712 penetrates through the support 711 and is fixedly sleeved with a driving gear 713, a lower surface of the driving gear 713 is mounted on an upper surface of the mounting plate 71 through a bearing, a driven gear 714 is mounted on an upper surface of the mounting plate 71 through a bearing, a surface of the driving gear 713 is meshed with a surface of the driven gear 714, the driving gear 713 connected with the driving gear 713 is driven to rotate by rotation of an output shaft of the forward and reverse motor 712, and the driven gear 714 meshed with the driving gear 713 is driven to rotate.
As shown in fig. 7-9, for converting the rotary motion into the linear motion, the surface of the driven gear 714 is provided with a chute 715 in a penetrating manner in an annular array, the inner wall of the chute 715 is slidably connected with a slide column 716, the upper surface of the mounting plate 71 is provided with limit grooves 717 in a distributed manner in an annular array, the lower end of the slide column 716 extends into the limit grooves 717 and is slidably clamped with the inner wall of the limit grooves 717, the upper surface of the slide column 716 is fixedly connected with a support plate 718, the upper surface of the support plate 718 is hinged with the surface of the gold plating wire clamp 7 through a pin shaft, when the driven gear 714 rotates, the chute 715 guides the slide column 716 to slide along the inner wall thereof, and the movement of the slide column 716 also drives the slide column 716 to move along the inner wall of the limit grooves 717, so that the rotation of the driven gear 714 can realize the control of the slide column 716, and further the slide column 716 can linearly move along the inner wall of the limit grooves 717.
Through setting up supporting adjustment mechanism, be convenient for drive a plurality of gold thread clips 7 of plating once only carry out the centre gripping to the scattered line in the cable harness 3 that awaits measuring that breaks out to improve test efficiency, and make its and the position of scattered line contact be in open state at the in-process that the gold thread clip 7 was removed in the drive, and then avoid pulling the line of breaking, reach the effect of being convenient for fix the scattered line fast.
As shown in fig. 10-12, for tightness adjustment of the clamping force of the gold-plated wire clamp 7, an adjustment mechanism is provided, the adjustment mechanism comprises a servo motor 72 fixedly installed on one side surface of a support plate 718, a groove 721 is formed in the upper surface of the support plate 718, a bidirectional screw 722 is installed on the inner wall of the groove 721 through a bearing, clamping plates 723 are in threaded socket connection with the two end surfaces of the bidirectional screw 722, the surfaces of the clamping plates 723 are in sliding clamping connection with the inner wall of the groove 721, one end of an output shaft of the servo motor 72 extends into the support plate 718 and is in transmission connection with the bidirectional screw 722 through a worm gear, the rotation of the output shaft of the servo motor 72 drives the bidirectional screw 722 to rotate through the worm gear, and the rotation of the bidirectional screw 722 drives two clamping plates 723 on the surface to perform relative motion on the surface of the bidirectional screw along the inner wall of the groove 721.
As shown in fig. 10-12, in order to facilitate the extrusion of the clamping plates 723, vacuum chucks 724 are fixedly mounted on the surfaces of opposite sides of the two clamping plates 723, the surfaces of the gold-plated wire clamps 7 are adsorbed by the vacuum chucks 724, and the vacuum chucks 724 are driven to move by the movement of the clamping plates 723, so that the vacuum chucks 724 are conveniently driven to adsorb or loosen the gold-plated wire clamps 7.
As shown in fig. 3-9, in order to facilitate the dispersion of the cable harness 3 to be tested, a separation plate 10 is fixedly mounted on the upper surface of the mounting plate 71 through a connection block, the surface of the separation plate 10 is provided with perforations 11 in a ring-shaped array distribution, the upper surfaces of the test bench 4 and the mounting plate 71 are provided with through holes 12, the surface of the cable harness 3 to be tested is in sliding connection with the inner wall of the through holes 12, and the dispersion of the cable harness 3 to be tested is in sliding connection with the inner wall of the perforations 11.
As shown in fig. 4, in order to locate scattered wires, a baffle 13 is disposed on the upper surface of the separating plate 10, positioning grooves 14 are disposed on the lower surface of the baffle 13 in an annular array, the positioning grooves 14 limit the distribution of the scattered wires in the cable harness 3 to be tested, and the gold wire plating clip 7 is convenient to clamp the scattered wires, so that the scattered wires are prevented from being intertwined.
1-3 And 5, in order to drive the high-voltage gun 6 to test the scattered wire in the cable harness 3to be tested, a testing mechanism is provided, the testing mechanism comprises a rotating motor 9 fixedly installed on the upper surface of a supporting frame 8, one end of an output shaft of the rotating motor 9 penetrates through the supporting frame 8 and is fixedly sleeved with a rotary table 91, the upper surface of the rotary table 91 is installed on the lower surface of a cross beam of the supporting frame 8 through a bearing, a telescopic cylinder 92 is fixedly installed on the lower surface of the rotary table 91, a hydraulic clamping jaw 93 is fixedly installed at one end of a piston rod of the telescopic cylinder 92, the rotation of an output shaft of the rotating motor 9 drives the rotary table 91 connected with the telescopic cylinder to rotate, the hydraulic clamping jaw 93 clamps and fixes the high-voltage gun 6, and the up-down telescopic motion of the piston rod of the telescopic cylinder 92 drives the high-voltage gun 6 to move through the hydraulic clamping jaw 93, so that the front end of the high-voltage gun 6 contacts or is far away from the scattered wire in the cable harness 3to be tested.
Through setting up testing mechanism, avoid artifical handheld high-pressure rifle 6 to carry out the high-pressure test to the cable to stopped staff and received the potential safety hazard production of injury.
Referring to fig. 1 to 12, the application method of the voltage withstand test device for the embedded cable harness provided by the invention comprises the following steps:
s1, clamping a high-pressure gun 6 connected with a pressure-resistant tester 5 by using a hydraulic clamping jaw 93;
S2, placing the cable harness 3 to be tested wound on the winding roller 2 into the test bench 4 through the trolley 1, then stripping the cable sheath, so that scattered wires in the cable harness 3 to be tested are scattered, one end of the scattered wires in the cable harness 3 to be tested passes through the through hole 12 and passes out of the through hole 11 on the separating plate 10, and the separating plate 10 is covered by the baffle 13, so that the positioning groove 14 clamps the scattered wires in the cable harness 3 to be tested, and the cable harness 3 to be tested is stretched in a certain direction;
s3, a vacuum sucker 724 adsorbs the clamping plate 723, the servo motor 72 is started, the anticlockwise rotation of an output shaft of the servo motor 72 drives the bidirectional screw 722 to rotate clockwise through a worm gear and a worm, and the clockwise rotation of the bidirectional screw 722 drives the two clamping plates 723 on the surface of the bidirectional screw 722 to mutually gather and move along the inner wall of the groove 721 on the surface of the bidirectional screw, so that the gold plating wire clamp 7 is extruded, and one end of the gold plating wire clamp 7, which is close to the cable harness 3 to be tested, is in an open state;
S4, starting a forward and backward rotating motor 712, wherein the rotation of an output shaft of the forward and backward rotating motor 712 drives a driving gear 713 connected with the forward and backward rotating motor 712 to rotate, the rotation of the driving gear 713 drives a driven gear 714 engaged with the driving gear 713 to rotate, a chute 715 on the surface of the driven gear 714 rotates to guide a sliding column 716 to slide along the inner wall of the driven gear 714, and the sliding column 716 is also driven to move along the inner wall of a limit groove 717, so that the sliding column 716 is controlled to move, a support plate 718 is driven to move by the sliding column 716, a gold wire plating clip 7 is driven to move by the movement of the support plate 718, when the support plate 718 moves to a certain position, a bidirectional screw 722 is driven to rotate clockwise, two clamping plates 723 are driven to move away from each other by the anticlockwise rotation of the bidirectional screw 722, and meanwhile a vacuum sucker 724 releases the gold wire plating clip 7, so that the gold wire plating clip 7 is convenient to clamp scattered wires in a cable harness 3 to be tested;
s5, inserting the electric wires on the gold wire plating clips 7 into the withstand voltage tester 5;
s6, starting a rotating motor 9, wherein the rotation of an output shaft of the rotating motor 9 drives a turntable 91 connected with the rotating motor to rotate, and the rotation of the turntable 91 drives a telescopic cylinder 92 and a hydraulic clamping jaw 93 to move, so that the hydraulic clamping jaw 93 is positioned above a gold-plated wire clamp 7 of a voltage withstand tester 5, then the rotating motor 9 stops running, a piston rod of the telescopic cylinder 92 stretches out to drive the hydraulic clamping jaw 93 and a high-voltage gun 6 to be close to a scattered wire in a cable harness 3 to be tested which is clamped by the gold-plated wire clamp 7, and voltage withstand test is performed on the scattered wire;
And S7, after the test is completed, the power supply of the withstand voltage tester 5 is turned off, the electric wire of the gold-plated wire clamp 7 connected to the withstand voltage tester 5 is pulled out, the electric wire of the other gold-plated wire clamp 7 is replaced, and the steps are repeated until all the scattered wires in the cable harness 3 to be tested are tested.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a withstand voltage testing arrangement of pre-buried cable pencil, includes shallow (1), rolling cable pencil (3) that awaits measuring on wind-up roll (2), testboard (4), installs withstand voltage tester (5) on testboard (4) and connect high-pressure rifle (6) on withstand voltage tester (5), its characterized in that: the upper surface of the test bench (4) is provided with a supporting and clamping device, the supporting and clamping device comprises a gold plating wire clamp (7), a moving mechanism and an adjusting mechanism, an electric wire on the gold plating wire clamp (7) is spliced with the pressure-resistant tester (5), the upper surface of the test bench (4) is fixedly provided with a supporting frame (8), and the lower surface of a cross beam of the supporting frame (8) is provided with a testing mechanism;
The moving mechanism is used for driving the gold-plated wire clamp (7) to linearly move;
The moving mechanism comprises a mounting plate (71) fixedly mounted on the test bench (4), a support (711) is fixedly mounted on one side of the upper surface of the mounting plate (71), a forward and reverse rotation motor (712) is fixedly mounted on the upper surface of the support (711), one end of an output shaft of the forward and reverse rotation motor (712) penetrates through the support (711) and is fixedly sleeved with a driving gear (713), the lower surface of the driving gear (713) is mounted on the upper surface of the mounting plate (71) through a bearing, a driven gear (714) is mounted on the upper surface of the mounting plate (71) through a bearing, and the surface of the driving gear (713) is meshed with the surface of the driven gear (714);
The surface of the driven gear (714) is an annular array and penetrates through the inclined groove (715), the inner wall of the inclined groove (715) is connected with a sliding column (716) in a sliding mode, limit grooves (717) are formed in the upper surface of the mounting plate (71) in an annular array distribution mode, the lower end of the sliding column (716) extends into the limit grooves (717) and is in sliding clamping connection with the inner wall of the limit grooves (717), a support plate (718) is fixedly connected to the upper surface of the sliding column (716), and the upper surface of the support plate (718) is hinged to the surface of the gold-plated wire clamp (7) through a pin shaft;
The upper surface of the mounting plate (71) is fixedly provided with a separating plate (10) through a connecting block, the surfaces of the separating plate (10) are distributed in an annular array, the upper surfaces of the test bench (4) and the mounting plate (71) are provided with through holes (12), the surface of the cable harness (3) to be tested is in sliding connection with the inner wall of the through holes (12), and scattered wires in the cable harness (3) to be tested are in sliding connection with the inner wall of the through holes (11);
The upper surface of the separation plate (10) is provided with a baffle (13), and positioning grooves (14) are distributed on the lower surface of the baffle (13) in an annular array;
the adjusting mechanism is used for adjusting the tightness of the clamping force of the gold-plated wire clamp (7);
The adjusting mechanism comprises a servo motor (72) fixedly arranged on one side surface of the support plate (718), a groove (721) is formed in the upper surface of the support plate (718), a bidirectional screw (722) is arranged on the inner wall of the groove (721) through a bearing, clamping plates (723) are sleeved on the two end surfaces of the bidirectional screw (722) in a threaded manner, vacuum chucks (724) are fixedly arranged on the opposite side surfaces of the two clamping plates (723), and the vacuum chucks (724) adsorb the surfaces of the gold-plated wire clamps (7);
the testing mechanism is used for driving the high-voltage gun (6) to sequentially test scattered wires in the cable harness (3) to be tested;
The testing mechanism comprises a rotating motor (9) fixedly mounted on the upper surface of the supporting frame (8), one end of an output shaft of the rotating motor (9) penetrates through the supporting frame (8) and is fixedly sleeved with a rotary table (91), a telescopic cylinder (92) is fixedly mounted on the lower surface of the rotary table (91), and a hydraulic clamping jaw (93) is fixedly mounted on one end of a piston rod of the telescopic cylinder (92).
2. The pressure resistance test device for embedded cable harnesses according to claim 1, wherein: the surface of the clamping plate (723) is in sliding clamping connection with the inner wall of the groove (721), and one end of an output shaft of the servo motor (72) extends into the support plate (718) and is in transmission connection with the bidirectional screw (722) through a worm gear.
3. The pressure resistance test device for embedded cable harnesses according to claim 1, wherein: the upper surface of the turntable (91) is arranged on the lower surface of the cross beam of the supporting frame (8) through a bearing.
4. A test method of a withstand voltage test device based on an embedded cable harness according to any one of claims 2 to 3, the test method comprising the steps of:
S1, clamping a high-pressure gun (6) connected with a pressure-resistant tester (5) by using a hydraulic clamping jaw (93);
S2, placing the cable harness (3) to be tested wound on the winding roller (2) into the test bench (4) through the trolley (1), then stripping the cable sheath, enabling scattered wires in the cable harness (3) to be tested to be scattered, enabling one end of the scattered wires in the cable harness (3) to pass through the through hole (12) and pass through the perforation (11) on the separating plate (10), covering the separating plate (10) with the baffle (13), enabling the positioning groove (14) to clamp the scattered wires in the cable harness (3) to be tested, and accordingly stretching the cable harness (3) to be tested according to a certain direction;
S3, starting a servo motor (72), wherein the anticlockwise rotation of an output shaft of the servo motor (72) drives a bidirectional screw rod (722) to rotate clockwise through a worm gear and a worm, and the clockwise rotation of the bidirectional screw rod (722) drives two clamping plates (723) on the surface of the bidirectional screw rod to gather and move mutually on the surface of the bidirectional screw rod along the inner wall of a groove (721), so that a gold wire plating clip (7) is extruded, and one end of the gold wire plating clip (7) close to a cable harness (3) to be tested is in an open state;
S4, starting a forward and backward rotating motor (712), wherein the rotation of an output shaft of the forward and backward rotating motor (712) drives a driving gear (713) connected with the forward and backward rotating motor to rotate, the rotation of the driving gear (713) drives a driven gear (714) meshed with the driving gear to rotate, a chute (715) on the surface of the driven gear (714) rotates to guide a sliding column (716) to slide along the inner wall of the sliding column, the sliding column (716) is also driven to move along the inner wall of a limit groove (717), so that the sliding column (716) is controlled to move, a support plate (718) is driven to move by the movement of the sliding column (716), when the support plate (718) moves to a certain position, a bidirectional lead screw (722) is driven to rotate clockwise, two clamping plates (723) are driven to move away from each other by the anticlockwise rotation of the bidirectional lead screw (722), and a vacuum sucker (724) releases a gold wire plating clip (7) so as to facilitate the gold wire plating clip (7) to clamp scattered wires in a cable harness (3) to be tested;
S5, inserting the electric wire on the gold wire plating clip (7) into the pressure resistance tester (5);
S6, starting a rotating motor (9), wherein the rotation of an output shaft of the rotating motor (9) drives a rotary table (91) connected with the rotating motor to rotate, and the rotation of the rotary table (91) drives a telescopic cylinder (92) and a hydraulic clamping jaw (93) to move, so that the hydraulic clamping jaw (93) is positioned above a gold-plated wire clamp (7) of a voltage-resistant tester (5), and then the rotating motor (9) stops running, and a piston rod of the telescopic cylinder (92) stretches out to drive the hydraulic clamping jaw (93) and a high-voltage gun (6) to be close to a scattered wire in a cable harness (3) to be tested which is clamped by the gold-plated wire clamp (7), so that the scattered wire is subjected to voltage-resistant test;
And S7, after the test is completed, closing a power supply of the voltage-resistant tester (5), pulling out the electric wire of the gold-plated wire clamp (7) connected to the voltage-resistant tester (5), replacing the electric wire of the other gold-plated wire clamp (7), and repeating the steps until all scattered wires in the cable harness (3) to be tested are tested.
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| CN202410254143.9A CN117825900B (en) | 2024-03-06 | 2024-03-06 | Pressure-resistant testing device and method for embedded cable harness |
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| CN202410254143.9A CN117825900B (en) | 2024-03-06 | 2024-03-06 | Pressure-resistant testing device and method for embedded cable harness |
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|---|---|
| CN117825900A (en) | 2024-04-05 |
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