Device and method for testing adaptability of wiring harness assembly in extreme environments

Abstract

This invention discloses a testing device and method for the adaptability of wire harness assemblies under extreme environments, relating to the field of wire harness testing technology. It includes multiple wire harnesses, a mounting bracket, a high-temperature test chamber, and a low-temperature test chamber, with both the high-temperature and low-temperature test chambers having open bottoms. Each wire harness consists of a wire body and two ends fixed together. The method includes the following steps: S1: Wire harness installation. When installing a single wire harness, first rotate the selection connector to select a suitable slot. The advantages are: the wire harness installation is simple, it can accommodate wire harnesses of different lengths and thicknesses, improving the overall ease of use of the testing device. It can perform swing tests, centrifugal force tests, and high / low temperature adaptability tests independently, or combine swing tests, centrifugal force tests, and low / high temperature adaptability tests as needed, improving the testing effect of the device on the wire harness.

Description

Technical Field

[0001] The present invention relates to the technical field of wire harness testing, and in particular to a device and method for testing the adaptability of a wire harness assembly in extreme environments. Background Art

[0002] The automotive wiring harness assembly is an important connecting component in the car. The wiring harness assembly is composed of multiple wiring harnesses with different functions. Before specific use, each wiring harness needs to be tested accordingly. The tests include centrifugal force test, high temperature resistance, low temperature resistance and swing test, etc. The existing centrifugal force test and swing test require two separate test devices to use, which is inconvenient. There are relatively more wire harnesses to test plasticity, and the corresponding installation operation takes relatively more time. For this reason, we propose an adaptability test device and method for wiring harness assemblies in extreme environments to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to solve the problems raised in the background technology and to propose a device and method for testing the adaptability of a wiring harness assembly in an extreme environment.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] A test device for the adaptability of a wiring harness assembly in an extreme environment, comprising a plurality of wiring harnesses, a mounting frame, a high temperature test chamber, and a low temperature test chamber, wherein the lower ends of the high temperature test chamber and the low temperature test chamber are both open, and each of the wiring harnesses is composed of a wire body and ends fixed at both ends, and the high temperature test chamber and the low temperature test chamber are installed on the mounting frame through a moving component;

[0006] Two fixed disks are fixedly mounted on the mounting frame through a plurality of support rods, a rotating disk is rotatably mounted on one side of the two fixed disks close to each other, and a rotating member is mounted between the fixed disk and the two rotating disks, and a plurality of wire harness mounting members are mounted between the two rotating disks;

[0007] A plurality of rods 1 and 2 are fixedly mounted on the two rotating disks through a plurality of support frames, and the rods 1 and 2 correspond to each other one by one, a fixed seat is fixedly mounted on each of the rods 1, a slide cylinder is installed between the rods 1 and the corresponding rods 2 through a sliding member, and a moving seat is fixedly mounted on each of the slide cylinders;

[0008] A rack 1 is installed on each of the movable seats through a pressing reset member, a pressing member is installed between the rack 1 and the movable seat, and a groove body matching with the wire body is opened on the movable seat and the fixed seat;

[0009] The wiring harness installation component includes an elastic clamping component, a mounting component, and a clamping component;

[0010] The elastic pressing assembly comprises a sliding groove, a sliding frame, and a return spring. A plurality of sliding grooves are provided along the circumference of the two rotating disks. A sliding frame is slidably mounted on each sliding groove. A return spring cooperating with the sliding frame is fixedly mounted in each sliding groove.

[0011] The mounting assembly includes a disc, a clamping seat, and a clamping groove. A disc is fixedly mounted on one end of each sliding frame located outside the rotating disc. A clamping seat is mounted on each disc to damp rotation. The clamping seat is provided with an upper opening, and the end is located in the corresponding opening. A plurality of clamping grooves of different widths are also provided on the outer side of the clamping seat, and the wire body passes through the corresponding clamping grooves.

[0012] The tightening assembly includes a rod frame and a tightening plate. A rod frame matched with a corresponding clamping seat is fixedly installed on one side of the two rotating plates close to each other, and a tightening plate matched with the clamping seat is fixedly installed on one end of the rod frame.

[0013] The sliding component includes an upper sliding component and a lower sliding component;

[0014] The upper sliding assembly includes two sliding grooves and two sliding frames. Two sliding grooves are provided on each of the first rods. A second sliding frame is slidably mounted on each of the two sliding grooves, and the lower end of the second sliding frame is fixed to the corresponding slide cylinder.

[0015] The sliding assembly includes a limit slider and a strip slide groove. The second rod is provided with two strip slide grooves. The slide cylinder is hollow and slidably mounted on the second rod. A plurality of limit sliders matching the strip slide grooves are fixedly mounted in the slide cylinder.

[0016] The pressing and resetting component includes a support plate, a second return spring, and an arc-shaped pressing seat. A support plate is fixedly installed on each of the moving seats. An arc-shaped pressing seat is fixedly installed on each of the support plates through the second return spring, and the upper end of the rack first is fixedly connected to the lower end surface of the arc-shaped pressing seat.

[0017] The clamping component includes a limiting slider 1, a limiting groove 1, a limiting slider 2, a limiting groove 2, a rack 2, a gear, and a clamping seat. The movable seat is provided with a limiting groove 1 and a limiting groove 2. The limiting slider 2 is slidably installed on the limiting groove 1, and one side of the limiting slider 2 is fixed to the rack 1. Two limiting sliders 1 of different sizes are slidably installed on the limiting groove 2. The two limiting sliders 1 are jointly fixed with a rack 2. Two gears are coaxially installed on the movable seat, one of the gears is meshed with the rack 1, and the other gear is meshed with the rack 2. A clamping seat matching with the rod 2 is fixedly installed on one side of the rack 2.

[0018] In the above-mentioned adaptability test device of the wiring harness assembly under extreme environment, the mounting frame includes a bottom plate, a column, and a top plate, and the column is fixedly installed between the bottom plate and the top plate, and the top plate is provided with a sliding hole and a sliding support assembly that cooperate with the moving member;

[0019] The sliding support assembly comprises a horizontal step groove and a step slider. The lower surface of the top plate is provided with a horizontal step groove. Two step sliders are slidably installed in the horizontal step groove, and the step slider cooperates with the moving component.

[0020] In the above-mentioned adaptability test device of the wiring harness assembly in extreme environment, the moving member includes a lateral moving component and a vertical moving component, and the lateral moving component cooperates with the vertical moving component;

[0021] The lateral movement assembly comprises a cylinder 1, a telescopic rod 1, a moving block, and a fixed rod. The cylinder 1 is fixedly installed on the upper surface of the top plate, the telescopic rod 1 is installed on the cylinder 1, and the moving block is fixedly installed at one end of the telescopic rod 1. The moving block is composed of a square block and a round rod, and the square block is fixedly connected to the round rod, and the lower end of the round rod passes through a sliding hole and is fixedly installed with a fixed rod;

[0022] The vertical moving assembly includes two cylinders and two telescopic rods. A two cylinders are fixedly installed on both ends of the fixed rod, and the upper end of the two cylinders is fixed to the corresponding step slider. A two telescopic rods are installed on both of the two cylinders, and the two telescopic rods are respectively fixed to the upper ends of the corresponding high-temperature test box and the low-temperature test box.

[0023] In the above-mentioned adaptability test device for the wiring harness assembly under extreme environments, the rotating component includes a test motor and a rotating shaft, wherein the test motor is fixedly installed on the outer side of one of the fixed disks, and the driving end of the test motor is fixedly installed with a rotating shaft, and the rotating shaft rotates through the fixed disk and is rotatably installed on another fixed disk, and both rotating disks are fixedly arranged with the rotating shaft.

[0024] In the above-mentioned adaptability test device for the wiring harness assembly in extreme environments, the support frame includes multiple cross bars and a vertical bar, and multiple cross bars are fixedly installed on the side close to the two rotating disks, and the corresponding cross bars are jointly fixedly installed with a vertical bar, and one end of rod one and rod two is fixedly installed on the corresponding vertical bar.

[0025] A method for testing a wiring harness assembly in an extreme environment, using the adaptability testing device for the wiring harness assembly in an extreme environment as described above, comprises the following steps:

[0026] S1: When installing a single wire harness, first rotate and select the card seat, select the appropriate card slot for use, then use your hand to directly apply a downward force to the corresponding disc or sliding frame, then place the end head, remove the downward force applied, at this time, under the action of the reset spring 1, the card seat is reset, and the end head is tightened by the cooperation of the tightening disc, and then the wire body is sequentially passed through the slot body on the adjacent fixed seat, the slot body on the adjacent movable seat, the slot body on the other movable seat, and the slot body on the other fixed seat, and then the other end head is tightened and installed, and finally, the corresponding arc-shaped pressing seat is applied with your hand to apply a downward force, and the arc-shaped pressing seat moves downward to make the tightening seat move upward, and then a sliding force is applied along the rod 2 at the same time, so that the distance between the two movable seats is adjusted according to the length of the wire harness, so that the wire harness is in a tensioned state after installation;

[0027] S2: Swing test, turn on the test motor, the test motor drives the shaft to rotate, and controls the shaft to swing back and forth within a certain angle. The rotation angle and rotation frequency of the shaft are set in advance according to the requirements, and the harness swing test can be performed;

[0028] S3: Centrifugal force test method 1: Turn on the test motor, and the test motor drives the shaft to perform circular motion. Set the shaft speed and number of rotations in advance according to requirements. After the rotation is completed or during the rotation, observe whether the wire body and the end are separated;

[0029] S4: Centrifugal force test method 2: After the moving seat has tensioned the wire harness, a force is applied to the two corresponding moving seats to move away from each other. After moving the set distance, observe whether the wire body and the end are separated during the movement process;

[0030] S5: Low temperature test, open the corresponding cylinder 2 on the low temperature test box, so that the low temperature test box moves down. The low temperature test box can completely accommodate the two fixed plates inside it, and at the same time, cooperate with the bottom plate to achieve a sealed state. Then, the low temperature test can be carried out by using the low temperature test box itself;

[0031] S6: High temperature test, first reset the low temperature test box, then move the high temperature test box to the position of the low temperature test box through the operation of cylinder 1, and then control the high temperature test box to move down through cylinder 2 on the high temperature test box, and after the high temperature test box is sealed with the bottom plate, the high temperature test can be carried out by the operation of the high temperature test box itself;

[0032] S7: There is no order of precedence for the swing test, centrifugal force test method 1, centrifugal force test method 2, low temperature test and high temperature test. They can be performed separately or in combination when necessary. For example, the swing test can be tested together with the low temperature test or the high temperature test.

[0033] Compared with the prior art, the present invention has the following advantages:

[0034] 1: The installation of the wiring harness is easy and convenient, and it can meet the installation of wiring harnesses of different lengths and thicknesses, improving the convenience of using the overall test device. At the same time, the installed wiring harness can be tested for low or high temperature adaptability using a horizontal and vertical high temperature test chamber and a low temperature test chamber.

[0035] 2: The swing test, centrifugal force test and high and low temperature adaptability test can be carried out separately, or the swing test, centrifugal force test and low or high temperature adaptability test can be combined when necessary to further improve the test effect of the device on the wiring harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a schematic structural diagram of the adaptability testing device of the wiring harness assembly in extreme environments proposed by the present invention;

[0037] Figure 2 for Figure 1 A schematic diagram of the structure after removing the bottom plate, columns and top plate and rotating them to a certain angle;

[0038] Figure 3 for Figure 2 An enlarged schematic diagram of the structure after the middle fixed disk part is rotated by a certain angle;

[0039] Figure 4 for Figure 3 An enlarged schematic diagram of the structure after the support rod is removed and rotated to a certain angle;

[0040] Figure 5 for Figure 4 An enlarged schematic diagram of the structure after the middle tightening disc part is rotated to a certain angle;

[0041] Figure 6 for Figure 5 A schematic diagram of the structure after a single rotating disk is partially rotated by a certain angle;

[0042] Figure 7 for Figure 6 A schematic diagram of the structure after a single card connector part is rotated to a certain angle;

[0043] Figure 8 for Figure 4 A schematic diagram of the structure after a part of the middle rod is rotated to a certain angle;

[0044] Fig. 9 for Figure 8 A schematic diagram of the structure of the single rod part 1 and the single rod part 2;

[0045] Fig.10 for Fig. 9 Schematic diagram of the structure after the middle fixed seat part is rotated to a certain angle;

[0046] Fig.11 for Fig.10 A schematic diagram of the structure after the middle arc-shaped pressing seat part is rotated to a certain angle;

[0047] Fig.12 for Fig. 9 Schematic diagram of the structure after the moving seat is rotated a certain angle.

[0048] In the figure: 1, bottom plate; 2, column; 3, top plate; 4, cylinder 1; 5, telescopic rod 1; 6, moving block; 7, sliding hole; 8, fixed rod; 9, cylinder 2; 10, telescopic rod 2; 11, high temperature test chamber; 12, low temperature test chamber; 13, support rod; 14, fixed plate; 15, rotating plate; 16, test motor; 17, rotating shaft; 18, sliding groove 1; 19, sliding frame 1; 20, reset spring 1; 21, disc; 22, clamping seat; 23, clamping groove; 24, rod frame; 25, tightening plate; 26, Line body; 27, end; 28, horizontal bar; 29, vertical bar; 30, rod one; 31, rod two; 32, fixed seat; 33, sliding groove two; 34, sliding frame two; 35, slide; 36, limit slider; 37, strip slide; 38, limit slider one; 39, limit groove one; 40, moving seat; 41, groove body; 42, support plate; 43, return spring two; 44, arc-shaped pressing seat; 45, rack one; 46, limit slider two; 47, limit groove two; 48, rack two; 49, gear; 50, tight seat. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] Reference Figure 1-Figure 12 , a test device for the adaptability of a wiring harness assembly under extreme environments, includes multiple wiring harnesses, a mounting frame, a high-temperature test box 11, and a low-temperature test box 12, and the lower ends of the high-temperature test box 11 and the low-temperature test box 12 are both opened, each wiring harness is composed of a wire body 26 and ends 27 fixed at both ends, and the high-temperature test box 11 and the low-temperature test box 12 are installed on the mounting frame through a movable component; the high-temperature test box 11 and the low-temperature test box 12 are prior arts, and there is a slight difference between them and the prior arts in that the existing door body installed on the side is removed, and then an opening is set at the position below the two, which can be tightly sealed with the mounting frame after moving down, and then the required test can be carried out.

[0051] The mounting frame includes a base plate 1, a column 2, and a top plate 3, and the column 2 is fixedly installed between the base plate 1 and the top plate 3, and the top plate 3 is provided with a sliding hole 7 and a sliding support assembly that cooperates with the moving member; the sliding support assembly includes a horizontal step groove (not shown in the figure) and a step slider (not shown in the figure), and a horizontal step groove is provided on the lower surface of the top plate 3, and two step sliders are slidably installed in the horizontal step groove, and the step slider cooperates with the moving member; the specific shapes of the base plate 1, the column 2, and the top plate 3 can be selected as required, and the figure shows only a schematic diagram of one shape; the setting of the sliding support assembly has a hanging support effect on the structure in the moving member, but at the same time will not affect the normal movement of the moving member.

[0052] The moving component includes a transverse moving component and a vertical moving component, and the transverse moving component cooperates with the vertical moving component; the transverse moving component includes a cylinder 1 4, a telescopic rod 1 5, a moving block 6, and a fixed rod 8. A cylinder 1 4 is fixedly installed on the upper surface of the top plate 3, a telescopic rod 1 5 is installed on the cylinder 1 4, and a moving block 6 is fixedly installed on one end of the telescopic rod 5. The moving block 6 is composed of a square block and a round rod, and the square block is fixedly connected to the round rod, and the lower end of the round rod is fixedly installed with a fixed rod 8 through a sliding hole 7; the vertical moving component includes a cylinder 2 9 and a telescopic rod 2 10. A cylinder 2 9 is fixedly installed on each end of the fixed rod 8, and the upper end of the cylinder 2 9 is fixed to the corresponding step slider. A telescopic rod 2 10 is installed on each of the two cylinders 2 9, and the telescopic rod 2 10 is respectively fixed to the upper end of the corresponding high temperature test box 11 and low temperature test box 12.

[0053] The setting of the movable component allows the high temperature test box 11 and the low temperature test box 12 to move vertically and horizontally when needed. The vertical movement facilitates one of the two to move down to cover the wiring harness to be tested for testing. The horizontal movement facilitates the position of the high temperature test box 11 and the low temperature test box 12 to be adjusted as needed, so as to smoothly carry out the other test.

[0054] Reference Figure 1-Figure 12 Two fixed disks 14 are fixedly mounted on the mounting frame through a plurality of support rods 13, a rotating disk 15 is rotatably mounted on one side of the two fixed disks 14 that are close to each other, and a rotating component is installed between the fixed disk 14 and the two rotating disks 15, and a plurality of wire harness mounting components are installed between the two rotating disks 15; the wire harness mounting components can be used for the installation of multiple wire harnesses, and the same type of wire harnesses can be installed during the specific test process, or different types of wire harnesses can be installed as needed.

[0055] The rotating component includes a test motor 16 and a rotating shaft 17, wherein the test motor 16 is fixedly installed on the outer side of one of the fixed disks 14, and the driving end of the test motor 16 is fixedly installed with the rotating shaft 17, and the rotating shaft 17 rotates through the fixed disk 14 and is rotatably installed on the other fixed disk 14, and the two rotating disks 15 are fixedly set with the rotating shaft 17; the test motor 16 is a servo motor, and specifically a motor with certain high temperature resistance and low temperature resistance functions can be selected to facilitate subsequent testing of the high temperature test chamber 11 and the low temperature test chamber 12, and an insulation cover can also be set on the test motor 16, and the insulation cover has an insulation effect. On this basis, in order to ensure the heat dissipation effect of the test motor 16 when it is used alone, an openable door body can be set on the insulation cover. When used alone, the door is in an open state (can be opened and closed manually or automatically), or a cooling fan is set in the protective cover to ensure that the test device can dissipate the required heat when required.

[0056] The wiring harness installation component includes an elastic clamping component, an installation component, and a clamping component; the elastic clamping component includes a sliding groove 18, a sliding frame 19, and a return spring 20. A plurality of sliding grooves 18 are provided along the circumference of the two rotating disks 15, and a sliding frame 19 is slidably installed on each sliding groove 18. A return spring 20 matching with the sliding frame 19 is fixedly installed in each sliding groove 18; the installation component includes a disc 21, a clamping seat 22, and a clamping groove 23. Each sliding frame 19 is located at one end outside the rotating disk 15. A disc 21 is fixedly installed, and a clamping seat 22 is installed on each disc 21 for damping rotation. The clamping seat 22 is set with an opening at the upper end, and the end 27 is located in the corresponding opening. A plurality of clamping grooves 23 of different widths are also opened on the outer side of the clamping seat 22, and the line body 26 passes through the corresponding clamping grooves 23; the tightening assembly includes a rod frame 24 and a tightening plate 25. The side where the two rotating disks 15 are close to each other is fixedly installed with a rod frame 24 that matches the corresponding clamping seat 22, and one end of the rod frame 24 is fixedly installed with a tightening plate 25 that matches the clamping seat 22.

[0057] The wiring harness installation component is easy to operate. Just apply a moving force to the corresponding clamping seat 22 by hand, then put the end 27 in, and then remove the moving force to achieve the clamping of one end. Repeat the operation to achieve the clamping installation of the other end of the wiring harness. At the same time, multiple clamping grooves 23 of different widths are provided, so that the device can select and place wiring harnesses of different widths according to the types of automobile wiring harnesses; an elastic pad is fixedly installed on the lower surface of the clamping plate 25, and the elastic pad is preferably made of rubber material to avoid direct contact between the clamping plate 25 and the end 27 of the wiring harness. When setting it specifically, the clamping plate 25 can simply provide a resisting effect on the end 27; elastic pads can also be provided on the side walls of the clamping grooves 23 to reduce wear.

[0058] Reference Figure 1-Figure 12A plurality of rods 1 30 and rods 2 31 are fixedly mounted on the two rotating disks 15 through a plurality of groups of support frames, and the rods 1 30 and the rods 2 31 correspond one to one, and a fixed seat 32 is fixedly mounted on each rod 1 30, and a slide 35 is installed between the rod 1 30 and the corresponding rod 2 31 through a sliding member, and a moving seat 40 is fixedly mounted on each slide 35; the support frame includes a plurality of cross bars 28 and a vertical bar 29, and a plurality of cross bars 28 are fixedly mounted on the side close to the two rotating disks 15, and a vertical bar 29 is fixedly mounted on the corresponding cross bars 28, and one end of the rod 1 30 and the rod 2 31 is fixedly mounted on the corresponding vertical bar 29; the setting of the support frame facilitates the better use of the rods 1 30 and the rods 2 31 in coordination with the tightening disk 25, and better facilitates the installation of the wiring harness.

[0059] The sliding member includes an upper sliding component and a lower sliding component; the upper sliding component includes a sliding groove 2 33 and a sliding frame 2 34. Two sliding grooves 2 33 are provided on each rod 1 30. A sliding frame 2 34 is slidably installed on each of the two sliding grooves 2 33, and the lower end of the sliding frame 2 34 is fixed to the corresponding slide cylinder 35; the lower sliding component includes a limit slider 36 and a strip slide groove 37. Two strip slide grooves 37 are provided on the rod 2 31. The slide cylinder 35 is hollow and slidably installed on the rod 2 31. A plurality of fixed members that cooperate with the strip slide groove 37 are fixedly installed in the slide cylinder 35. The limit slider 36; the setting of the sliding member enables the rod 1 30 and the rod 2 31 to have a limit sliding effect relative to the slide 35, thereby improving the stability of the slide 35 during the sliding process; a rubber gasket can be set in the part of the slide 35 where the limit slider 36 is not set to avoid direct contact between the slide 35 and the rod 2 31, which can reduce the wear effect. At the same time, a rubber pad that matches the strip slide groove 37 can be set on the limit slider 36, and a rubber pad that matches the slide groove 2 33 can be set on the slide frame 2 34; the specific shape of the slide frame 2 34 can be determined by Fig.10 , Fig.11 See it directly.

[0060] Reference Figure 1-Figure 12 A rack 45 is installed on each movable seat 40 through a pressing and resetting component, a pressing component is installed between the rack 45 and the movable seat 40, and a groove 41 that matches the line body 26 is opened on the movable seat 40 and the fixed seat 32; the pressing and resetting component includes a support plate 42, a reset spring 43, and an arc-shaped pressing seat 44. A support plate 42 is fixedly installed on each movable seat 40, and an arc-shaped pressing seat 44 is fixedly installed on each support plate 42 through a reset spring 43, and the upper end of the rack 45 is fixedly connected to the lower end surface of the arc-shaped pressing seat 44; a layer of elastic sponge can be provided on the upper surface of the arc-shaped pressing seat 44 to improve the comfort during pressing.

[0061] The clamping member includes a limiting slider 1 38, a limiting groove 1 39, a limiting slider 2 46, a limiting groove 2 47, a rack 2 48, a gear 49, and a pressing seat 50. The movable seat 40 is provided with a limiting groove 1 39 and a limiting groove 2 47. The limiting slider 2 46 is slidably mounted on the limiting groove 1 39, and one side of the limiting slider 2 46 is fixed to the rack 1 45. Two limiting sliders 1 38 of different sizes are slidably mounted on the limiting groove 2 47. The two limiting sliders 1 38 are fixedly mounted with a rack 2 48 together. 8. Two gears 49 are coaxially mounted on the movable seat 40, one of which is meshed with the rack 1 45, and the other gear 49 is meshed with the rack 2 48. A clamping seat 50 matched with the rod 2 31 is fixedly mounted on one side of the rack 2 48; when the arc-shaped pressing seat 44 is in the initial position, the clamping seat 50 is pressed against the rod 2 31, and one side of the clamping seat 50 matched with the rod 2 31 is arc-shaped, and a layer of arc-shaped rubber can be provided on the arc-shaped surface to further improve the clamping effect when pressing.

[0062] Reference Figure 1-Figure 12 The specific test method of the adaptability test device of the above wiring harness assembly in extreme environment is as follows:

[0063] S1: When installing a single wiring harness, first rotate and select the clamping seat 22, select the appropriate clamping slot 23 for use, then use your hand to directly apply a downward force to the corresponding disc 21 or sliding frame 19, then place the end 27, remove the downward force applied, at this time, under the action of the reset spring 120, the clamping seat 22 is reset, and the end 27 is tightened by the cooperation of the tightening disk 25, and then the wire body 26 passes through the groove body 41 on the adjacent fixed seat 32, the groove body 41 on the adjacent movable seat 40, the groove body 41 on the other movable seat 40, and the groove body 41 on the other fixed seat 32 in sequence, and then the other end 27 is tightened and installed, and finally a downward force is applied to the corresponding arc-shaped pressing seat 44 by hand, and the arc-shaped pressing seat 44 moves downward to make the tightening seat 50 move upward, and then a sliding force is applied along the rod 2 31 at the same time, so that the distance between the two movable seats 40 is adjusted according to the length of the wiring harness, so that the wiring harness is in a tensioned state after installation;

[0064] S2: Swing test, turn on the test motor 16, the test motor 16 drives the shaft 17 to rotate, and controls the shaft 17 to swing back and forth within a certain angle. The rotation angle and rotation frequency of the shaft 17 are set in advance according to requirements, and the harness swing test can be performed;

[0065] S3: Centrifugal force test method 1, turn on the test motor 16, the test motor 16 drives the shaft 17 to perform circular motion, set the speed and number of rotations of the shaft 17 in advance according to requirements, and observe whether the wire body 26 and the end 27 are separated after or during the rotation;

[0066] S4: Centrifugal force test method 2, when the moving seat 40 is in a tensioned state on the wire harness, a force is applied to the corresponding two moving seats 40 to move away from each other, and after moving the set distance, observe whether the wire body 26 and the end 27 are separated during the movement process;

[0067] S5: Low temperature test, open the corresponding cylinder 2 9 on the low temperature test box 12, so that the low temperature test box 12 moves downward, and the low temperature test box 12 moves downward to completely accommodate the two fixed plates 14 therein, and at the same time cooperates with the bottom plate 1 to achieve a sealed state, and then the low temperature test can be performed by using the low temperature test box 12 itself;

[0068] S6: High temperature test, first reset the low temperature test box 12, then move the high temperature test box 11 to the position of the low temperature test box 12 through the operation of the cylinder 14, and then control the high temperature test box 11 to move downward through the cylinder 2 9 on the high temperature test box 11, and after the high temperature test box 11 is sealed and fitted with the bottom plate 1, the high temperature test can be carried out by the operation of the high temperature test box 11 itself;

[0069] S7: There is no order of precedence for the swing test, centrifugal force test method 1, centrifugal force test method 2, low temperature test and high temperature test. They can be performed separately or in combination when necessary. For example, the swing test can be tested together with the low temperature test or the high temperature test.

[0070] It is further explained that the above-mentioned fixed connection should be understood in a broad sense unless otherwise clearly specified and limited. For example, it can be welding, gluing, or one-piece molding, etc., which are conventional means well known to those skilled in the art.

[0071] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A test device for the adaptability of a wiring harness assembly under extreme environments, comprising a plurality of wiring harnesses, a mounting frame, a high temperature test box (11), and a low temperature test box (12), wherein the lower ends of the high temperature test box (11) and the low temperature test box (12) are both open, and each of the wiring harnesses is composed of a wire body (26) and ends (27) fixed at both ends, characterized in that: The high temperature test box (11) and the low temperature test box (12) are installed on the mounting frame via a moving component; Two fixed disks (14) are fixedly mounted on the mounting frame via a plurality of support rods (13); a rotating disk (15) is rotatably mounted on one side of the two fixed disks (14) that are close to each other; a rotating component is mounted between the fixed disk (14) and the two rotating disks (15); and a plurality of wire harness mounting components are mounted between the two rotating disks (15); A plurality of rods 1 (30) and rods 2 (31) are fixedly mounted on the two rotating disks (15) through a plurality of groups of support frames, and the rods 1 (30) and the rods 2 (31) correspond to each other one by one, a fixed seat (32) is fixedly mounted on each of the rods 1 (30), a slide cylinder (35) is installed between the rods 1 (30) and the corresponding rods 2 (31) through a sliding member, and a moving seat (40) is fixedly mounted on each of the slide cylinders (35); Each of the movable seats (40) is provided with a rack (45) by means of a pressing reset member, a pressing member is provided between the rack (45) and the movable seat (40), and a groove (41) matching with the wire body (26) is provided on the movable seat (40) and the fixed seat (32); The wiring harness installation component includes an elastic clamping component, a mounting component, and a clamping component; The elastic pressing assembly comprises a sliding groove (18), a sliding frame (19), and a return spring (20). The two rotating disks (15) are provided with a plurality of sliding grooves (18) along the circumference. A sliding frame (19) is slidably mounted on each of the sliding grooves (18). A return spring (20) matching with the sliding frame (19) is fixedly mounted in each of the sliding grooves (18). The mounting assembly comprises a disc (21), a clamping seat (22), and a clamping groove (23); a disc (21) is fixedly mounted on one end of each sliding frame (19) located outside the rotating disc (15); a clamping seat (22) is mounted on each disc (21) in a damped rotation manner; the clamping seat (22) is provided with an upper opening, and an end (27) is located in a corresponding opening; a plurality of clamping grooves (23) of different widths are also provided on the outer side of the clamping seat (22), and the wire body (26) passes through the corresponding clamping grooves (23); The tightening assembly comprises a rod frame (24) and a tightening plate (25); a rod frame (24) matched with a corresponding clamping seat (22) is fixedly installed on one side of the two rotating plates (15) close to each other, and a tightening plate (25) matched with the clamping seat (22) is fixedly installed on one end of the rod frame (24); The sliding component includes an upper sliding component and a lower sliding component; The upper sliding assembly comprises a second sliding groove (33) and a second sliding frame (34), each of the first rods (30) is provided with two second sliding grooves (33), and a second sliding frame (34) is slidably mounted on each of the two second sliding grooves (33), and the lower end of the second sliding frame (34) is fixed to the corresponding slide cylinder (35); The sliding assembly comprises a limit slider (36) and a strip slide groove (37). The second rod (31) is provided with two strip slide grooves (37). The slide cylinder (35) is hollow and slidably mounted on the second rod (31). A plurality of limit sliders (36) matching with the strip slide grooves (37) are fixedly mounted in the slide cylinder (35). The pressing and resetting component comprises a support plate (42), a second resetting spring (43), and an arc-shaped pressing seat (44); each of the movable seats (40) is fixedly mounted with a support plate (42); each of the support plates (42) is fixedly mounted with an arc-shaped pressing seat (44) via a second resetting spring (43); and the upper end of the rack (45) is fixedly connected to the lower end surface of the arc-shaped pressing seat (44); The clamping member comprises a limiting slide block 1 (38), a limiting groove 1 (39), a limiting slide block 2 (46), a limiting groove 2 (47), a rack 2 (48), a gear (49), and a clamping seat (50). The movable seat (40) is provided with a limiting groove 1 (39) and a limiting groove 2 (47). The limiting slide block 2 (46) is slidably mounted on the limiting groove 1 (39), and one side of the limiting slide block 2 (46) is fixed to the rack 1 (45). The limiting groove 2 (47) is provided with a limiting groove 1 (39). 7) are slidably mounted with two limit sliders (38) of different sizes, and the two limit sliders (38) are fixedly mounted with a rack (48) together, and the movable seat (40) is coaxially mounted with two gears (49), one of which is meshed with the rack (45), and the other gear (49) is meshed with the rack (48), and a tight seat (50) matched with the rod (31) is fixedly mounted on one side of the rack (48).

2. The adaptability testing device for the wiring harness assembly in extreme environments according to claim 1 is characterized in that: The mounting frame comprises a bottom plate (1), a column (2), and a top plate (3), wherein the column (2) is fixedly mounted between the bottom plate (1) and the top plate (3), and the top plate (3) is provided with a sliding hole (7) matched with the moving component and a sliding support assembly; The sliding support assembly comprises a horizontal step groove and a step slider. The lower surface of the top plate (3) is provided with a horizontal step groove. Two step sliders are slidably installed in the horizontal step groove, and the step sliders cooperate with the moving component.

3. The adaptability testing device for the wiring harness assembly in extreme environments according to claim 2 is characterized in that: The moving component includes a lateral moving component and a vertical moving component, and the lateral moving component cooperates with the vertical moving component; The lateral movement assembly comprises a cylinder (4), a telescopic rod (5), a moving block (6), and a fixed rod (8); the cylinder (4) is fixedly mounted on the upper surface of the top plate (3); the telescopic rod (5) is mounted on the cylinder (4); and the moving block (6) is fixedly mounted on one end of the telescopic rod (5); the moving block (6) is composed of a square block and a round rod, and the square block is fixedly connected to the round rod; and the lower end of the round rod passes through a sliding hole (7) and is fixedly mounted with the fixed rod (8); The vertical moving assembly comprises two cylinders (9) and two telescopic rods (10). Two ends of the fixed rod (8) are respectively fixedly mounted with one cylinder (9), and the upper end of the two cylinders (9) is fixed to the corresponding step slider. Two telescopic rods (10) are respectively mounted on the two cylinders (9), and the two telescopic rods (10) are respectively fixed to the upper ends of the corresponding high temperature test box (11) and low temperature test box (12).

4. The adaptability testing device for the wiring harness assembly in extreme environments according to claim 3 is characterized in that: The rotating component comprises a test motor (16) and a rotating shaft (17), wherein the test motor (16) is fixedly mounted on the outer side of one of the fixed disks (14), the driving end of the test motor (16) is fixedly mounted on the rotating shaft (17), and the rotating shaft (17) rotatably penetrates the fixed disk (14) and is rotatably mounted on the other fixed disk (14), and the two rotating disks (15) are both fixedly arranged on the rotating shaft (17).

5. The adaptability testing device for the wiring harness assembly in extreme environments according to claim 4 is characterized in that: The support frame comprises a plurality of cross bars (28) and a vertical bar (29), and a plurality of cross bars (28) are fixedly mounted on the adjacent sides of the two rotating disks (15), and a vertical bar (29) is fixedly mounted on the corresponding cross bars (28), and one end of the first bar (30) and the second bar (31) is fixedly mounted on the corresponding vertical bar (29).

6. A method for testing a wiring harness assembly in an extreme environment, using the adaptability testing device for a wiring harness assembly in an extreme environment as claimed in claim 5, characterized in that: The following steps are involved: S1: When installing a single wire harness, first rotate and select the clamping seat (22), select a suitable clamping slot (23) for use, then manually apply a downward force to the corresponding disc (21) or the sliding frame (19), then place the end (27), remove the downward force applied, and then under the action of the reset spring (20), the clamping seat (22) is reset, and the end (27) is tightened by the cooperation of the tightening disc (25), and then the wire body (26) is sequentially passed through the slot on the adjacent fixed seat (32) (41), the groove body (41) on the adjacent movable seat (40), the groove body (41) on another movable seat (40), the groove body (41) on another fixed seat (32), and then the other end head (27) is tightly installed, and finally a downward force is applied to the corresponding arc-shaped pressing seat (44) by hand, and the arc-shaped pressing seat (44) moves downward to make the pressing seat (50) move upward, and then a sliding force is applied along the second rod (31) at the same time, so that the distance between the two movable seats (40) is adjusted according to the length of the wire harness, so that the wire harness is in a tensioned state after installation; S2: Swing test, start the test motor (16), the test motor (16) drives the rotating shaft (17) to rotate, and controls the rotating shaft (17) to swing back and forth within a certain angle. The rotation angle and rotation frequency of the rotating shaft (17) are set in advance according to requirements, and the wiring harness swing test can be performed; S3: Centrifugal force test method 1, start the test motor (16), the test motor (16) drives the rotating shaft (17) to perform circular motion, the rotation speed and the number of rotations of the rotating shaft (17) are set in advance according to requirements, and after the rotation is completed or during the rotation, observe whether the wire body (26) and the end (27) are separated; S4: Centrifugal force test method 2, after the moving seat (40) has tensioned the wire harness, a force is applied to the two corresponding moving seats (40) to move away from each other, and after moving the set distance, it is observed whether the wire body (26) and the end (27) are separated during the movement process; S5: Low temperature test, the corresponding cylinder 2 (9) on the low temperature test box (12) is opened, so that the low temperature test box (12) moves downward. The low temperature test box (12) moves downward so that the two fixed plates (14) can be completely accommodated therein, and the low temperature test box (12) cooperates with the bottom plate (1) to achieve a sealed state. Then, the low temperature test can be performed by using the low temperature test box (12) itself; S6: high temperature test, first reset the low temperature test box (12), then operate the cylinder 1 (4) to move the high temperature test box (11) to the position of the low temperature test box (12), then control the high temperature test box (11) to move downward by the cylinder 2 (9) on the high temperature test box (11), and after the high temperature test box (11) is sealed and attached to the bottom plate (1), the high temperature test can be carried out by operating the high temperature test box (11) itself; S7: There is no order of precedence for the swing test, centrifugal force test method 1, centrifugal force test method 2, low temperature test and high temperature test. They can be performed separately or in combination when necessary. For example, the swing test can be tested together with the low temperature test or the high temperature test.

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