CN114678819A - Cable bundle test simultaneous injection test device - Google Patents
Cable bundle test simultaneous injection test device Download PDFInfo
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- CN114678819A CN114678819A CN202210596273.1A CN202210596273A CN114678819A CN 114678819 A CN114678819 A CN 114678819A CN 202210596273 A CN202210596273 A CN 202210596273A CN 114678819 A CN114678819 A CN 114678819A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/30—Installations of cables or lines on walls, floors or ceilings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/60—Detecting; Measuring; Sensing; Testing; Simulating
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
Abstract
The invention relates to the technical field of airplane lightning protection tests, and discloses a simultaneous injection test device for a cable harness test, which comprises a machine body simulation piece, wherein a second cable harness adjusting mechanism is arranged on the side surface of the machine body simulation piece; the second cable bundle adjusting mechanism comprises a second adjusting rod and a fourth linear driving mechanism for driving the second adjusting rod to move linearly along the axis of the second adjusting rod; the invention can simulate the real arrangement condition of the cables in the fuselage, so that the test result has stronger referential property for the lightning indirect effect protection design.
Description
Technical Field
The invention relates to the field of airplane lightning protection tests, in particular to a cable bundle test and simultaneous injection test device.
Background
The direct effect of thunder can cause the physical distortion of melting, breakdown and the like of the aircraft, while the indirect effect of thunder can cause the electrical property of the aircraft to be invalid or damaged, thereby causing the ultimate loss of the aircraft; the complexity of a flight control system and an avionic system of a modern spacecraft is higher and higher, and the analysis of the indirect lightning effect through a cable bundle test can provide a basis for the protection design of the indirect lightning effect; in the cable bundle test in the prior art, one or more cables are arranged on a test bed for testing, and the real arrangement condition of the cables in the machine body cannot be simulated.
Disclosure of Invention
The invention provides a cable bundle test and simultaneous injection test device, which solves the technical problem that a cable bundle test in the related technology cannot simulate the real arrangement condition of cables in a machine body.
According to one aspect of the invention, a simultaneous injection testing device for a cable harness test is provided, which comprises a machine body simulation piece, wherein a second cable harness adjusting mechanism is arranged on the side surface of the machine body simulation piece, a first cable harness adjusting mechanism capable of moving linearly in the left-right direction is arranged above the machine body simulation piece, the first cable harness adjusting mechanism comprises a first adjusting seat, the first adjusting seat is connected with a first rotating seat through a first rotating shaft, and the first rotating shaft is connected with a first rotation driving mechanism for driving the first rotating seat to rotate; the first rotating seat is provided with a first adjusting rod and a third linear driving mechanism for driving the first adjusting rod to linearly move along the axial direction of the first adjusting rod; the second cable harness adjusting mechanism comprises a second adjusting rod and a fourth linear driving mechanism for driving the second adjusting rod to move linearly along the axis of the second adjusting rod; the machine body simulation piece is provided with a first wire hole and a second wire hole, and a first guide wheel, a second guide wheel and a third guide wheel are arranged inside the machine body simulation piece;
the machine body simulation piece is internally provided with a plurality of first guide pieces, second guide pieces, third guide pieces, fourth guide pieces and fifth guide pieces which are positioned on the same vertical plane, the tops of the first guide pieces, the third guide pieces, the fourth guide pieces and the fifth guide pieces are respectively provided with a first guide convex surface, a third guide convex surface, a fourth guide convex surface and a fifth guide convex surface, and the bottom surface of the second guide piece is provided with a second guide convex surface; the first guide piece and the second guide piece are linearly arranged along the horizontal direction, the third guide piece, the fourth guide piece and the fifth guide piece are positioned in a space between the first guide piece and the second guide piece, the included angle between the linear arrangement direction of the third guide piece and the linear arrangement direction of the first guide piece is 90 degrees, the fourth guide piece and the fifth guide piece are symmetrically distributed on two sides of the third guide piece, and the included angle between the linear arrangement direction of the fourth guide piece and the linear arrangement direction of the first guide piece is 45 degrees;
a first positioning piece capable of moving along the arrangement direction of the first guide piece, a second positioning piece capable of moving along the arrangement direction of the second guide piece, a third positioning piece capable of moving along the arrangement direction of the third guide piece, a fourth positioning piece capable of moving along the arrangement direction of the fourth guide piece and a fifth positioning piece capable of moving along the arrangement direction of the fifth guide piece are arranged in the machine body simulation piece, a first guide concave surface matched with the first guide convex surface is arranged at the bottom of the first positioning piece, a second guide concave surface matched with the second guide convex surface is arranged at the top of the second positioning piece, a third guide concave surface matched with the third guide convex surface is arranged at one side of the third positioning piece, a fourth guide concave surface matched with the fourth guide convex surface is arranged at the bottom of the fourth positioning piece, and a fifth guide concave surface matched with the fifth guide convex surface is arranged at the bottom of the fifth positioning piece;
electromagnets are arranged at one ends of the first adjusting rod and the second adjusting rod close to the machine body simulation piece, and magnetic metal or permanent magnets are arranged at the end parts of the first positioning piece, the second positioning piece, the third positioning piece, the fourth positioning piece and the fifth positioning piece.
Furthermore, the first cable bundle adjusting mechanism is arranged on a hanger, a truss is arranged on the hanger, and a first linear driving mechanism for driving the truss to linearly move in the front-rear direction is arranged on the hanger;
the truss is provided with a first sliding table and a second linear driving mechanism for driving the first sliding table to linearly move along the left-right direction, and the bottom of the first sliding table is connected with a first cable bundle adjusting mechanism;
the first linear driving mechanism comprises a first belt arranged on the hanging bracket, the first belt is wound on two first belt wheels, a first belt wheel shaft is fixedly arranged at the center of each first belt wheel, the first belt wheel shaft is connected with the output end of the first motor, and the first belt is fixedly connected with a truss.
The second linear driving mechanism comprises a track arranged on the truss and a roller arranged on the track, the center of the roller is fixedly connected with a roller shaft, the roller shaft is connected with the first sliding table through a bearing in a rotating mode, and the roller shaft is connected with a second motor used for driving the roller to rotate.
Further, the bottom of truss is equipped with the second davit, is equipped with first wire winding mechanism on the second davit, and the below of truss is equipped with the base, is equipped with second wire winding mechanism on the base, and first wire winding mechanism and second wire winding mechanism are connected respectively to the both ends of experimental cable, and first wire winding mechanism and second wire winding mechanism all are used for the rolling and unreel experimental cable.
Furthermore, the bottom of the second winding mechanism is connected with a second sliding table, a fifth linear driving mechanism used for driving the second sliding table to linearly move in the front-rear direction is arranged on the base, the fifth linear driving mechanism comprises a second belt, the second belt is wound on a second belt wheel, a second belt wheel shaft is fixedly arranged at the center of the second belt wheel, the second belt wheel shaft is rotatably connected with the base through a bearing, and the second belt wheel shaft is connected with the output end of a sixth motor.
Furthermore, a first hole and a second hole are formed in the left side face of the machine body simulation piece, the first hole is located in the moving path of the first positioning piece, the second hole is located in the moving path of the second positioning piece, a third hole, a fourth hole and a fifth hole are formed in the top surface of the machine body simulation piece, and the third hole, the fourth hole and the fifth hole are respectively located in the moving paths of the third positioning piece, the fourth positioning piece and the fifth positioning piece.
Furthermore, the first guide convex surface, the third guide convex surface, the fourth guide convex surface and the fifth guide convex surface are all arc-shaped surfaces protruding upwards, and the second guide convex surface is an arc-shaped surface protruding downwards; the first guide convex surface and the upper edge of the first guide wheel are positioned at the same height, and the second guide convex surface and the lower edge of the second guide wheel are positioned at the same height; and the first guide concave surface, the second guide concave surface, the third guide concave surface, the fourth guide concave surface and the fifth guide concave surface are provided with wire grooves in clearance fit with the test cable.
Furthermore, the third linear driving mechanism comprises first driving wheels arranged on two sides of the first adjusting rod, annular grooves matched with the first adjusting rod are formed in the first driving wheels, the first adjusting rod is embedded into the annular grooves of the first driving wheels on two sides, and one first driving wheel on one side of the first adjusting rod is connected with a third motor used for driving the first adjusting rod to rotate.
The invention has the beneficial effects that:
the invention can automatically complete the arrangement of various configurations of the test cable in the body simulation piece, and can simulate the real arrangement condition of the cable in the body, so that the test result has stronger referential property for the lightning indirect effect protection design.
Drawings
FIG. 1 is a schematic structural view of a cable harness test simultaneous injection test apparatus of the present invention;
FIG. 2 is an enlarged view at A of FIG. 1;
FIG. 3 is a rear view of the first adjustment block of the present invention;
FIG. 4 is a schematic structural view of a first linear drive mechanism and a second linear drive mechanism of the present invention;
FIG. 5 is a schematic illustration of the construction of a fuselage simulator of the present invention;
FIG. 6 is an enlarged view at B of FIG. 5 of the present invention;
FIG. 7 is a schematic cross-sectional view of a first positioning member of the present invention;
FIG. 8 is a schematic view of the U-shaped configuration of the test cable of the present invention;
FIG. 9 is a schematic view of the V-shaped configuration of the test cable of the present invention;
FIG. 10 is a schematic view of a loop configuration of the test cable of the present invention;
FIG. 11 is a schematic view of the U-shaped configuration of a plurality of test cables of the present invention;
fig. 12 is a test flow chart of the cable harness test simultaneous injection test apparatus of the present invention.
In the figure: the test cable 10, the hanger 100, the first linear driving mechanism 101, the first belt 102, the first pulley 103, the first motor 104, the truss 200, the first sliding table 201, the second linear driving mechanism 202, the roller 203, the second motor 204, the first adjusting base 301, the first rotating base 302, the first rotating shaft 303, the first rotating driving mechanism 304, the first adjusting rod 305, the third linear driving mechanism 306, the first boom 401, the second adjusting rod 402, the fourth linear driving mechanism 403, the second boom 501, the first winding mechanism 502, the base 601, the second winding mechanism 602, the second sliding table 603, the second pulley 604, the sixth motor 605, the simulator 700, the first wire hole 701, the second wire hole 702, the first guide wheel 703, the second guide wheel 704, the third guide wheel 705, the first guide 706, the second guide 707, the third guide 708, the fourth guide 709, the fifth guide 710, the first positioning part 711, a second positioning member 712, a third positioning member 713, a fourth positioning member 714, a fifth positioning member 715, a first hole 716, a second hole 717, a third hole 718, a fourth hole 719, a fifth hole 720, a guide 721, a wire slot 722.
Detailed Description
The subject matter described herein will now be discussed with reference to example embodiments. It should be understood that these embodiments are discussed only to enable those skilled in the art to better understand and thereby implement the subject matter described herein, and are not intended to limit the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements discussed without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as needed. In addition, features described with respect to some examples may also be combined in other examples.
Example one
As shown in fig. 1 to 7, the simultaneous injection testing device for cable bundle tests comprises a hanger 100, wherein a truss 200 is arranged on the hanger 100, and a first linear driving mechanism 101 for driving the truss 200 to move linearly in the front-back direction is arranged on the hanger 100;
in one embodiment of the present invention, the first linear driving mechanism 101 includes a first belt 102 disposed on the hanger 100, the first belt 102 is wound on two first pulleys 103, a first pulley shaft is disposed at the center of the first pulleys 103, the first pulley shaft is connected to the output end of the first motor 104, and the first belt 102 is fixedly connected to the truss 200.
Further, the hanger 100 is provided with a first slide rail arranged in the front-rear direction, and the truss 200 is slidably arranged on the first slide rail.
In one embodiment of the present invention, the first linear driving mechanism 101 includes a frame disposed at two ends of the truss 200, the frame is provided with wheels, the wheels are fixedly disposed on wheel shafts, the wheel shafts are rotatably connected to the frame, the wheel shafts are connected to output shafts of the traveling motors, and the hanger 100 is provided with rails engaged with the wheels. The driving motor drives the wheels to rotate, the wheels are matched with the rail to drive the frame and the truss 200 to move linearly in the front-rear direction along the rail, and the moving direction of the truss 200 is changed by changing the steering direction of the output shaft of the driving motor.
The truss 200 is provided with a first sliding table 201 and a second linear driving mechanism 202 for driving the first sliding table 201 to linearly move along the left-right direction, the bottom of the first sliding table 201 is provided with a first cable harness adjusting mechanism, the first cable harness adjusting mechanism comprises a first adjusting seat 301, the first adjusting seat 301 is provided with a first rotating seat 302, the first rotating seat 302 is rotatably connected with the first adjusting seat 301 through a first rotating shaft 303, and the first rotating shaft 303 is connected with a first rotary driving mechanism 304 for driving the first rotating seat 302 to rotate;
the first rotating base 302 is provided with a first adjusting rod 305 and a third linear driving mechanism 306, and the third linear driving mechanism 306 is used for driving the first adjusting rod 305 to move linearly along the axial direction of the first adjusting rod;
in one embodiment of the present invention, the second linear driving mechanism 202 includes a rail disposed on the truss 200 and a roller 203 disposed on the rail, the center of the roller 203 is fixedly connected with a roller shaft, the roller shaft is rotatably connected with the first sliding table 201 through a bearing, and the roller shaft is connected with a second motor 204 for driving the roller 203 to rotate. The second motor 204 drives the roller 203 to move on the rail, so that the first sliding table 201 can be driven to move left and right.
In an embodiment of the present invention, the third linear driving mechanism 306 includes first driving wheels disposed on two sides of the first adjusting rod 305, the first driving wheels are provided with annular grooves for engaging with the first adjusting rod 305, the first adjusting rod 305 is embedded in the annular grooves of the first driving wheels on two sides, and a first driving wheel on one side of the first adjusting rod 305 is connected to a third motor for driving the first driving wheel to rotate. The third motor drives the first driving wheels to rotate, and the two first driving wheels are matched to drive the first adjusting rod 305 to linearly move along the axial direction of the first adjusting rod;
further, a first guide mechanism for guiding the first adjusting rod 305 is further disposed on the first sliding table 201, and the first guide mechanism may be a linear bearing disposed on the first sliding table 201.
In one embodiment of the present invention, the first rotary drive mechanism 304 includes a fourth motor connected to the first rotary shaft 303. The fourth motor outputs torque to rotate the first rotating shaft 303.
The bottom of the truss 200 is provided with a first suspension arm 401, the first suspension arm 401 is provided with a second cable harness adjusting mechanism, the second cable harness adjusting mechanism comprises a second adjusting rod 402 and a fourth linear driving mechanism 403, and the fourth linear driving mechanism 403 is used for driving the second adjusting rod 402 to move linearly along the axis of the second adjusting rod 402;
in an embodiment of the present invention, the fourth linear driving mechanism 403 includes second driving wheels disposed on two sides of the second adjusting rod 402, the second driving wheels are provided with ring grooves engaged with the second adjusting rod 402, and the second adjusting rod 402 is embedded in the ring grooves of the second driving wheels on two sides; a second drive wheel on one side of the second adjustment lever 402 is coupled to a fifth motor for driving rotation thereof. The fifth motor drives the second driving wheels to rotate, and the two second driving wheels cooperate to drive the first adjusting rod 305 to move linearly along the axial direction thereof.
The bottom of the truss 200 is provided with a second suspension arm 501, the second suspension arm 501 is provided with a first winding mechanism 502, a base 601 is arranged below the truss 200, the base 601 is provided with a second winding mechanism 602, two ends of the test cable 10 are respectively connected with the first winding mechanism 502 and the second winding mechanism 602, and the first winding mechanism 502 and the second winding mechanism 602 are both used for winding and unwinding the test cable 10;
the base 601 is provided with a machine body simulation piece 700, the machine body simulation piece 700 is of a hollow structure, the machine body simulation piece 700 is provided with a first line hole 701 and a second line hole 702, the test cable 10 penetrates into the machine body simulation piece 700 from the first line hole 701 and penetrates out of the machine body simulation piece 700 from the second line hole 702, a first guide wheel 703, a second guide wheel 704 and a third guide wheel 705 are arranged inside the machine body simulation piece 700, and the test cable 10 bypasses the first guide wheel 703, the second guide wheel 704 and the third guide wheel 705. Initially, the test cables 10 between the first wire holes 701, the first guide pulley 703, the second guide pulley 704 and the third guide pulley 705 are distributed in a U-shape.
The inside of the fuselage simulation piece 700 is also provided with a plurality of first guide pieces 706, second guide pieces 707, third guide pieces 708, fourth guide pieces 709 and fifth guide pieces 710 which are positioned on the same vertical plane, the tops of the first guide pieces 706, the third guide pieces 708, the fourth guide pieces 709 and the fifth guide pieces 710 are respectively provided with a first guide convex surface, a third guide convex surface, a fourth guide convex surface and a fifth guide convex surface, and the bottom surface of the second guide piece 707 is provided with a second guide convex surface;
the first guide convex surface, the third guide convex surface, the fourth guide convex surface and the fifth guide convex surface are all arc-shaped surfaces protruding upwards, and the second guide convex surface is an arc-shaped surface protruding downwards;
the first guide member 706, the second guide member 707, the third guide member 708, the fourth guide member 709 and the fifth guide member 710 are all linearly arranged, the first guide member 706 and the second guide member 707 are all linearly arranged along the horizontal direction, the third guide member 708, the fourth guide member 709 and the fifth guide member 710 are located in a space between the first guide member 706 and the second guide member 707, an included angle between the linear arrangement direction of the third guide member 708 and the linear arrangement direction of the first guide member 706 is 90 degrees, the fourth guide member 709 and the fifth guide member 710 are symmetrically distributed on two sides of the third guide member 708, and an included angle between the linear arrangement direction of the fourth guide member 709 and the linear arrangement direction of the first guide member 706 is 45 degrees.
The first guide convex surface is positioned at the same height with the upper edge of the first guide wheel 703, and the second guide convex surface is positioned at the same height with the lower edge of the second guide wheel 704;
a first positioning member 711, a second positioning member 712, a third positioning member 713, a fourth positioning member 714 and a fifth positioning member 715 are arranged inside the body simulator 700, the first positioning member 711 can move along the arrangement direction of the first guide member 706, a first concave guide surface matched with the first convex guide surface of the first guide member 706 is arranged at the bottom of the first positioning member 711, the second positioning member 712 can move along the arrangement direction of the second guide member 707, a second concave guide surface matched with the second convex guide surface of the second guide member 707 is arranged at the top of the second positioning member 712, the third positioning member 713 can move along the arrangement direction of the third guide member 708, a third concave guide surface matched with the third convex guide surface of the third guide member 708 is arranged at one side of the third positioning member 713, the fourth positioning member 714 can move along the arrangement direction of the fourth guide member 709, a fourth concave guide surface matched with the fourth convex guide surface of the fourth guide member 709 is arranged at the bottom of the fourth positioning member 714, the fifth positioning element 715 can move along the arrangement direction of the fifth guiding element 710, and a fifth concave guiding surface matched with the fifth convex guiding surface of the fifth guiding element 710 is disposed at the bottom of the fifth positioning element 715.
The first guiding concave surface, the second guiding concave surface, the third guiding concave surface, the fourth guiding concave surface and the fifth guiding concave surface are provided with wire grooves 722 in clearance fit with the test cable 10;
a first hole 716 and a second hole 717 are formed on the left side surface of the body simulator 700, the first hole 716 is located on the moving path of the first positioning member 711, the second hole 717 is located on the moving path of the second positioning member 712, a third hole 718, a fourth hole 719 and a fifth hole 720 are formed in the top surface of the body simulator 700, and the third hole 718, the fourth hole 719 and the fifth hole 720 are respectively located on the moving paths of the third positioning member 713, the fourth positioning member 714 and the fifth positioning member 715;
the first and second adjusting rods 305 and 402 have electromagnets at their ends close to the body simulator 700, and the first, second, third, fourth and fifth positioning members 711, 712, 713, 714 and 715 have magnetic metals or permanent magnets at their ends.
A guide 721 for guiding the movement of the first positioning member 711, the second positioning member 712, the third positioning member 713, the fourth positioning member 714 and the fifth positioning member 715 is further provided inside the body simulator 700;
in one embodiment of the present invention, the guide 721 is a slide rail or a ball sliding sleeve.
In an embodiment of the present invention, the bottom of the second winding mechanism 602 is connected to the second sliding table 603, a fifth linear driving mechanism for driving the second sliding table 603 to move linearly in the front-back direction is disposed on the base 601, the fifth linear driving mechanism includes a second belt, the second belt is wound on a second belt pulley 604, a second belt pulley shaft is fixedly disposed at the center of the second belt pulley 604, the second belt pulley shaft is rotatably connected to the base 601 through a bearing, and the second belt pulley shaft is connected to an output end of the sixth motor 605.
In order to reduce the interference of the test cable 10 extending out of the body simulator 700 on the test result, the two ends of the test cable 10 are connected with the insulated wires which are connected with the first winding mechanism 502 and the second winding mechanism 602, the test cable 10 is completely positioned inside the body simulator 700 after the test cable 10 is arranged in place, and the accuracy of the test can be improved as the insulated wires extend out of the body simulator 700.
For the cable harness test simultaneous injection test device described above, the method of installing the test cable 10 is: before testing, the first linear drive mechanism 101 drives the truss 200 to move above the fuselage simulator 700, and the second adjusting rod 402 needs to be aligned with the first hole 716 and the second hole 717;
if the test cable 10 inside the body simulator 700 needs to be set to the U-shaped configuration shown in fig. 8, the second adjusting rod 402 is driven by the fourth linear driving mechanism 403 to move towards the inside of the body simulator 700, the second adjusting rod 402 pushes the first positioning member 711 and the second positioning member 712 to move rightmost to the right to the first positioning member 711 and the second positioning member 712, the first positioning member 711 cooperates with the first guiding member 706 to clamp part of the test cable 10 in the wire slot 722 of the first positioning member 711, and the second positioning member 712 cooperates with the second guiding member 707 to clamp part of the test cable 10 in the wire slot 722 of the first positioning member 711, so that the test cable 10 inside the body simulator 700 forms the U-shaped configuration. Then the electromagnet is de-energized, the fourth linear driving mechanism 403 drives the second adjusting rod 402 to reset, and the first linear driving mechanism 101 drives the truss 200 to reset away from the fuselage simulation piece 700.
If the test cable 10 inside the body simulator 700 needs to be set to the V-shaped configuration shown in fig. 9, the first rotary driving mechanism 304 drives the first rotary base 302 to rotate, so that the first adjusting rod 305 rotates to an angle parallel to the fourth positioning member 714, then the second linear driving mechanism 202 drives the first adjusting rod 305 to move to a position aligned with the fourth hole 719, the third linear driving mechanism 306 drives the lower end of the first adjusting rod 305 to move downward to a position of the lowermost fourth guiding member 709, so that a part of the test cable 10 is clamped into the wire slot 722 of the fourth positioning member 714, then the electromagnet is powered off, the first adjusting rod 305 is reset, the first rotary driving mechanism 304 drives the first rotary base 302 to rotate, so that the first adjusting rod 305 rotates to an angle parallel to the fifth positioning member 715, the second linear driving mechanism 202 drives the first adjusting rod 305 to move to a position aligned with the fifth hole 720, the third linear driving mechanism 306 drives the lower end of the first adjusting rod 305 to move downward to the position of the fifth guide 710 at the lowest position, and part of the test cable 10 is clamped into the wire slot 722 of the fifth positioning member 715, so that the test cable 10 inside the body simulator 700 forms a V-shaped configuration. The electromagnet is then de-energized, driving the first adjustment lever 305 to reset.
If it is required to set the test cable 10 inside the body simulator 700 to the loop-back configuration shown in fig. 10, the second adjusting lever 402 is driven by the fourth linear driving mechanism 403 to move toward the inside of the body simulator 700, the second adjusting lever 402 pushes the first positioning member 711 and the second positioning member 712 to move rightward to a position close to the third guiding member 708, a part of the test cable 10 is caught in the wire slot 722 of the first positioning member 711 and the second positioning member 712, then the first rotary driving mechanism 304 drives the first rotary base 302 to rotate, so that the first adjusting lever 305 is rotated to the vertical state, then the second linear driving mechanism 202 drives the first adjusting lever 305 to move above the third hole 718, the third linear driving mechanism 306 drives the lower end of the first adjusting lever 305 to move downward to the position of the lowermost third guiding member 708, and a part of the test cable 10 is caught in the wire slot 722 of the third positioning member 713, the test cable 10 inside the fuselage simulator 700 is configured in a loop-back configuration. The electromagnet is then de-energized, driving the first adjustment lever 305 and the second adjustment lever 402 to reposition, and the first linear drive mechanism 101 drives the truss 200 to reposition away from the fuselage mimic 700.
In one embodiment of the present invention, the first winding mechanism 502 and the second winding mechanism 602 each include a reel and a winding motor for driving the reel to spin. The test cable 10 is kept under tension during its movement.
For the above-mentioned cable harness test simultaneous injection test apparatus, it further includes a lightning current generator not shown in the drawing, the lightning current generator is connected to the body simulator 700 through an injection conductor and a return conductor, and the injection conductor and the return conductor are respectively connected to the left and right ends of the body simulator 700.
A current sensor for detecting an induced current generated from the test cable 10 is further provided in the body simulator 700.
The body simulator 700 is provided with a body current sensor for detecting whether or not a lightning current conforming to a standard is injected.
When the induced current of the test cable 10 reaches the test standard or the lightning current generator reaches the output limit, the test is stopped.
As shown in fig. 12, the cable harness test simultaneous injection test apparatus performs the following steps during the test:
step S1, arranging a test cable 10 with a U-shaped configuration in the machine body simulation piece 700;
step S2, injecting lightning current into the body simulator 700, and collecting induced current of the test cable 10;
step S3, arranging the test cable 10 in a V-shaped configuration in the fuselage simulator 700;
step S4, injecting lightning current into the body simulator 700, and collecting induced current of the test cable 10;
step S5, arranging the test cable 10 in a loop configuration within the fuselage simulator 700;
step S6, lightning current is injected into the body simulator 700, and the induced current of the test cable 10 is collected.
In the above steps, the lightning current injected into the fuselage simulator 700 is the lightning current component a for a standardized lightning environment.
In the above embodiment, only one test method for testing cables 10 is provided, as shown in fig. 11, in order to simulate mutual interference between cable bundles, on the basis of the above embodiment, a first guide 706, a second guide 707, a third guide 708, a fourth guide 709, a fifth guide 710, a first positioning part 711, a second positioning part 712, a third positioning part 713, a fourth positioning part 714, and a fifth positioning part 715 are all disposed in a plurality of vertical planes inside a body simulator 700, first cable bundle adjusting mechanisms are disposed on first adjusting rods 305 corresponding to the first guide 706 one to one, and second cable bundle adjusting mechanisms are disposed on second adjusting rods 402 corresponding to the second guide 707 one to one. The arrangement of mutually parallel test cables 10 in a plurality of vertical planes in the fuselage simulator 700 can be achieved by the above-described design.
The diameter of the test cable 10 is D, the widths of the first positioning member 711, the second positioning member 712, the third positioning member 713, the fourth positioning member 714 and the fifth positioning member 715 are all D, D =2D, and when the distance between adjacent first positioning members 711 is 0, the distance between two adjacent test cables 10 is equal to D. The spacing between two adjacent test cables 10 can be reduced by narrowing the widths of the first positioning member 711, the second positioning member 712, the third positioning member 713, the fourth positioning member 714, and the fifth positioning member 715.
The embodiments of the present invention have been described with reference to the drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention and the protection scope of the claims.
Claims (10)
1. The simultaneous injection testing device for the cable bundle test is characterized by comprising a machine body simulation piece, wherein a second cable bundle adjusting mechanism is arranged on the side surface of the machine body simulation piece, a first cable bundle adjusting mechanism capable of moving linearly in the left-right direction is arranged above the machine body simulation piece, the first cable bundle adjusting mechanism comprises a first adjusting seat, the first adjusting seat is connected with a first rotating seat through a first rotating shaft, and the first rotating shaft is connected with a first rotating driving mechanism for driving the first rotating seat to rotate; the first rotating seat is provided with a first adjusting rod and a third linear driving mechanism for driving the first adjusting rod to linearly move along the axial direction of the first adjusting rod; the second cable bundle adjusting mechanism comprises a second adjusting rod and a fourth linear driving mechanism for driving the second adjusting rod to move linearly along the axis of the second adjusting rod; the machine body simulation piece is provided with a first wire hole and a second wire hole, and a first guide wheel, a second guide wheel and a third guide wheel are arranged inside the machine body simulation piece;
the machine body simulation piece is internally provided with a plurality of first guide pieces, second guide pieces, third guide pieces, fourth guide pieces and fifth guide pieces which are positioned on the same vertical plane, the tops of the first guide pieces, the third guide pieces, the fourth guide pieces and the fifth guide pieces are respectively provided with a first guide convex surface, a third guide convex surface, a fourth guide convex surface and a fifth guide convex surface, and the bottom surface of the second guide piece is provided with a second guide convex surface; the first guide piece and the second guide piece are linearly arranged along the horizontal direction, the third guide piece, the fourth guide piece and the fifth guide piece are positioned in a space between the first guide piece and the second guide piece, the included angle between the linear arrangement direction of the third guide piece and the linear arrangement direction of the first guide piece is 90 degrees, the fourth guide piece and the fifth guide piece are symmetrically distributed on two sides of the third guide piece, and the included angle between the linear arrangement direction of the fourth guide piece and the linear arrangement direction of the first guide piece is 45 degrees;
a first positioning piece capable of moving along the arrangement direction of the first guide piece, a second positioning piece capable of moving along the arrangement direction of the second guide piece, a third positioning piece capable of moving along the arrangement direction of the third guide piece, a fourth positioning piece capable of moving along the arrangement direction of the fourth guide piece and a fifth positioning piece capable of moving along the arrangement direction of the fifth guide piece are arranged in the machine body simulation piece, a first guide concave surface matched with the first guide convex surface is arranged at the bottom of the first positioning piece, a second guide concave surface matched with the second guide convex surface is arranged at the top of the second positioning piece, a third guide concave surface matched with the third guide convex surface is arranged at one side of the third positioning piece, a fourth guide concave surface matched with the fourth guide convex surface is arranged at the bottom of the fourth positioning piece, and a fifth guide concave surface matched with the fifth guide convex surface is arranged at the bottom of the fifth positioning piece;
electromagnets are arranged at one ends of the first adjusting rod and the second adjusting rod close to the machine body simulation piece, and magnetic metal or permanent magnets are arranged at the end parts of the first positioning piece, the second positioning piece, the third positioning piece, the fourth positioning piece and the fifth positioning piece.
2. The cable harness test simultaneous injection test apparatus according to claim 1, wherein the first cable harness adjustment mechanism is provided on a hanger on which the truss is provided, the hanger being provided with a first linear drive mechanism for driving the truss to move linearly in the front-rear direction;
the truss is provided with a first sliding table and a second linear driving mechanism for driving the first sliding table to linearly move along the left-right direction, and the bottom of the first sliding table is connected with a first cable bundle adjusting mechanism;
the first linear driving mechanism comprises a first belt arranged on the hanging bracket, the first belt is wound on two first belt wheels, a first belt wheel shaft is fixedly arranged at the center of each first belt wheel, the first belt wheel shaft is connected with the output end of the first motor, and the first belt is fixedly connected with a truss.
3. The cable harness test simultaneous injection test device according to claim 2, wherein the second linear driving mechanism comprises a rail provided on the truss and a roller provided on the rail, the center of the roller is fixedly connected with a roller shaft, the roller shaft is rotatably connected with the first sliding table through a bearing, and the roller shaft is connected with a second motor for driving the roller to rotate.
4. The cable harness test simultaneous injection test device according to claim 2, wherein a second boom is provided at a bottom of the truss, a first winding mechanism is provided on the second boom, a base is provided below the truss, the body simulator is provided on the base, a second winding mechanism is provided on the base, two ends of the test cable are respectively connected to the first winding mechanism and the second winding mechanism, and both the first winding mechanism and the second winding mechanism are used for winding and unwinding the test cable.
5. The cable harness test simultaneous injection test device according to claim 4, wherein the bottom of the second winding mechanism is connected to the second sliding table, the base is provided with a fifth linear driving mechanism for driving the second sliding table to linearly move in the front-rear direction, the fifth linear driving mechanism includes a second belt, the second belt is wound around a second belt wheel, a second belt wheel shaft is fixedly arranged at the center of the second belt wheel, the second belt wheel shaft is rotatably connected to the base through a bearing, and the second belt wheel shaft is connected to an output end of the sixth motor.
6. The cable bundle test simultaneous injection test device according to claim 1, wherein a first hole and a second hole are provided on a left side surface of the body simulator, the first hole is located on a moving path of the first positioning member, the second hole is located on a moving path of the second positioning member, a third hole, a fourth hole and a fifth hole are provided on a top surface of the body simulator, and the third hole, the fourth hole and the fifth hole are respectively located on moving paths of the third positioning member, the fourth positioning member and the fifth positioning member.
7. The cable harness test simultaneous injection test device according to claim 1, wherein the first guide convex surface, the third guide convex surface, the fourth guide convex surface, and the fifth guide convex surface are arc-shaped surfaces that are convex upward, and the second guide convex surface is an arc-shaped surface that is convex downward.
8. The cable harness test simultaneous injection test device according to claim 7, wherein the first guide convex surface is located at the same height as an upper edge of the first guide wheel, and the second guide convex surface is located at the same height as a lower edge of the second guide wheel.
9. The cable harness test simultaneous injection test device according to claim 1, wherein the first, second, third, fourth and fifth guiding concave surfaces are provided with wire grooves in clearance fit with the test cables.
10. The cable harness test simultaneous injection test device according to claim 1, wherein the third linear driving mechanism includes first driving wheels provided on both sides of the first adjusting lever, the first driving wheels being provided with ring grooves for engaging with the first adjusting lever, the first adjusting lever being fitted into the ring grooves of the first driving wheels on both sides, one of the first driving wheels on one side of the first adjusting lever being connected to a third motor for driving the first driving wheel to rotate.
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| CN202210596273.1A CN114678819B (en) | 2022-05-30 | 2022-05-30 | Cable bundle test simultaneous injection test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210596273.1A CN114678819B (en) | 2022-05-30 | 2022-05-30 | Cable bundle test simultaneous injection test device |
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| CN114678819B CN114678819B (en) | 2022-08-02 |
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