CN219657370U - Intensity testing device for wiring harness matched with electric vehicle - Google Patents
Intensity testing device for wiring harness matched with electric vehicle Download PDFInfo
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- CN219657370U CN219657370U CN202320828372.8U CN202320828372U CN219657370U CN 219657370 U CN219657370 U CN 219657370U CN 202320828372 U CN202320828372 U CN 202320828372U CN 219657370 U CN219657370 U CN 219657370U
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- wire harness
- pencil
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- electric vehicle
- strength
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 238000009864 tensile test Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model belongs to the technical field of electric vehicle accessories, and particularly relates to an electric vehicle matched wiring harness strength testing device, which comprises: a wire harness strength test board; the tensile mechanism is installed to pencil intensity test board top one side, the tensile mechanism bench removes and is provided with tensile movable plate, install multiunit pencil hook on the tensile movable plate, two pencil tip fixing bases of pencil intensity test board top both sides fixed mounting that tensile mechanism is relative, pencil tip fixing base internally mounted has horizontal pencil tip reference column, pencil tip electric connection who is located pencil tip reference column opposite side has the power, install the light-emitting part on the pencil that is located non-tensile test section, a plurality of evenly distributed's pencil locating holes that run through along the axial have been seted up to pencil tip reference column inside, this device can carry out independent or integral intensity tensile test to many pencil simultaneously, and adopt the light-emitting part to judge, the intensity range of pencil, simple easy observation has, application scope is wide.
Description
Technical Field
The utility model belongs to the technical field of electric vehicle accessories, and particularly relates to a strength testing device for a wiring harness matched with an electric vehicle.
Background
The motor car pencil is the indispensable part of electric motor car drive with the power output of battery for motor, control system, illumination signal system, auxiliary system, drive and control vehicle forward, and the electric motor car pencil is according to the system configuration difference of electric motor car, and the pencil distributes also differently, mainly has main pencil and branch road pencil.
The prior patent is granted the number: CN215733235U discloses a matched wire harness of an electric vehicle with good fire resistance, which comprises a shell and a protective sleeve, wherein a rectangular groove which is arranged in a penetrating way is formed in the inner wall of the shell, the wire harness effectively protects the wire harness through the shell and the protective sleeve, the fire resistance of the wire harness is increased, but when the wire harness is placed in the electric vehicle for use, the installation and distribution areas are more, the wire harness with the shell and the protective sleeve cannot be installed in each area in a sufficient space, and if the shell and the protective sleeve are arranged on each wire harness, the use cost of the wire harness is greatly increased, so that in view of the problems, the wire harness body needs to be ensured to have certain strength, the wire harness is only enhanced in the fire resistance, but for the normal use process of the wire harness, the wire harness has a larger influence on the tensile strength of the wire harness, because the electric vehicle is in the moving process, the device is easy to collide and shake, and the like, in the unstable state, the wire harness in the vehicle is easy to bear pushing or pulling force in different directions, so that the strength of the wire harness plays an important role in the whole normal operation of the electric vehicle, the strength of the existing wire harness is required to be tested after the manufacturing is finished, a strength testing device is used, the strength of the existing wire harness is tested after the prior art and the inquiry of documents, and the device for testing the strength of the wire harness is mostly found, only the maximum pulling force which can be born before the wire harness is broken is observed through applying the pulling force to the wire harness with the two fixed ends, so that the strength of the wire harness is judged, but the mode has a certain problem that whether the breakage of the wire harness and the wire harness can conduct electricity or not is not completely consistent, and the strength of the wire harness is particularly required to be referred to whether the wire harness can conduct electricity smoothly or not, and the existing testing device is again, when the device is used, independent strength tests are difficult to be carried out on a plurality of wire harnesses at the same time, and the device is difficult to be suitable for a large-batch wire harness curatives;
therefore, in view of the above problems, the technical scheme designs a device for testing the strength of a wire harness matched with an electric vehicle
Disclosure of Invention
The embodiment of the utility model aims to provide a strength testing device for a wiring harness matched with an electric vehicle, and aims to solve the problems.
The utility model is realized in this way, the structure diagram of the intensity testing device of the matched wiring harness of the electric vehicle comprises: a wire harness strength test board; the tensile machine comprises a wire harness strength test bench, a tensile machine body, a plurality of groups of wire harness hooks, a plurality of wire harness end fixing seats, wire harness end locating columns, wire harnesses and wire harness hooks, wherein the tensile machine body is arranged on one side of the top of the wire harness strength test bench, the tensile machine body is provided with the tensile machine body, the wire harness end locating columns are respectively provided with the wire harness end locating columns, the wire harness end locating columns are respectively provided with the wire harness hooks, the wire harness end electric connection at the other side of the wire harness end locating columns is provided with a power supply, the wire harnesses at the non-tensile test section are provided with a light-emitting part, the two ends of the wire harness to be tested are connected with the power supply and the light-emitting part, whether the light-emitting part is utilized to judge the condition in the wire harness test process, the wire harness end locating columns are internally provided with a plurality of wire harness locating holes which are evenly distributed and axially penetrate through, the wire harness locating holes which are internally provided with the wire harness locating columns to be tested, the wire harness locating holes penetrate through the wire harness locating columns, and the wire harnesses are conveniently independent wire harness locating holes or the wire harnesses.
According to the electric vehicle matched wire harness strength testing device, two groups of wire harness end positioning posts are arranged to fix two ends of a wire harness to be tested, meanwhile, the two ends of the wire harness are connected with a power supply to keep current in the wire harness flowing, and the light emitting piece is arranged on the wire harness, so that the tensile strength of the wire harness to be tested is judged through the light emission of the light emitting piece, and the tensile strength of the wire harness to be tested is conveniently and accurately recorded;
through setting up a plurality of pencil hooks and carrying out tensile test on the pencil, be convenient for carry out single position or a plurality of position to single pencil, a plurality of pencil simultaneously and carry out intensity test, fully improve the scope of pencil test and have the ability.
Drawings
Fig. 1 is a schematic structural view of a device for testing the strength of a wire harness matched with an electric vehicle.
Fig. 2 is a schematic structural view of a tensile moving plate in the electric vehicle-mounted harness strength testing device.
Fig. 3 is a schematic view of the structure of a wire harness hook in the electric vehicle-associated wire harness strength testing device.
Fig. 4 is a schematic perspective view of a wire harness end positioning column in the electric vehicle mating harness strength testing device.
FIG. 5 is a schematic diagram showing a front view of a wire end positioning column in a wire harness strength testing device for an electric vehicle;
in the accompanying drawings: the wire harness strength test bench 10, the stretching mechanism 11, the wire harness end fixing seat 12, the wire harness end positioning column 13, the wire harness positioning hole 14, the wire harness fixing piece 15, the adjusting screw 16, the internal thread block 17, the connecting rod 18, the rotating rod 19, the arc-shaped fixing pressing block 20, the luminous piece 21, the power supply 22, the wire harness hook 23, the hook rod 24, the T-shaped sliding block 25, the stretching moving plate 26, the sliding block 27, the nut 28, the screw rod 29, the servo motor 30, the longitudinal sliding groove 31 and the transverse sliding groove 32.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
As shown in fig. 1-3, a structure diagram of a device for testing strength of a wire harness matched with an electric vehicle according to an embodiment of the present utility model includes: a harness strength test stand 10; the tensile mechanism table 11 is installed on one side of the top of the wire harness strength test table 10, the tensile mechanism table 11 is provided with a tensile moving plate 26 in a moving manner, a plurality of groups of wire harness hooks 23 are installed on the tensile moving plate 26, through the wire harness hooks 23 on the wire harness to be tested in tensile strength, tension is gradually applied to the wire harness through the movement of the tensile moving plate 26, two wire harness end fixing seats 12 are fixedly installed on two sides of the top of the wire harness strength test table 10, transverse wire harness end locating columns 13 are installed in the wire harness end fixing seats 12, connecting wires between the wire harness end locating columns 13 on two sides are parallel to the transverse section of the tensile moving plate 26, two ends of the wire harness to be tested respectively penetrate through the wire harness end locating columns 13 on two sides, a region between the wire harness end locating columns 13 on two sides is matched with the wire harness hooks 23 for tensile testing, meanwhile, a power supply 22 is electrically connected to the wire harness end located on the wire harness on the other side of the wire harness end locating column 13, a luminous piece 21 is installed on the wire harness on a non-tensile test section, whether the wire harness is judged in the process by utilizing the luminescence of the luminous piece 21, the wire harness end locating columns 13 are evenly distributed in the wire harness end locating columns, the wire harness end portions are evenly distributed in the wire harness end locating columns 14 are evenly, and the wire harness locating holes 14 penetrate through the wire harness locating columns 14 are formed in the wire harness locating columns, and the wire harness locating columns 14 are located in the wire harness locating columns and the whole through the wire harness locating columns 14, and the wire harness locating holes are located through the wire harness locating holes and the wire harness to be tested.
In the embodiment of the utility model, the light emitting element 21 can be arranged as an LED lamp or a light emitting diode lamp, and the specific selection is selected according to the actually used wire harness conductivity;
specifically, one end of the wire harness hook 23 facing the stretching moving plate 26 is connected with a hook rod 24, a T-shaped sliding block 25 is arranged at the bottom end of the hook rod 24, a transverse sliding groove 32 is formed in the stretching moving plate 26 corresponding to the T-shaped sliding block 25, the T-shaped sliding block 25 transversely moves along the inner part of the transverse sliding groove 32, the interval between the adjacent wire harness hooks 23 is adjusted, and independent stable hooking test is kept on the wire harness, or tension test is carried out on a plurality of positions of the wire harness at the same time;
specifically, a nut 28 is installed at the bottom middle part of the stretching moving plate 26 through a connecting rod, a screw rod 29 is connected with the middle part of the nut 28 in a threaded manner, one end of the screw rod 29 is connected with a servo motor 30, the screw rod 29 is vertically distributed with a transverse chute 32, a phase guiding device for limiting the rotation of the screw rod is arranged on the nut 28, the servo motor 30 is started to drive the screw rod 29 to rotate, then the stretching moving plate 26 is driven to move, and further under the connection of a wire harness hook 23, a tensile strength test is carried out on a wire harness;
it should be noted that, in order to ensure that the nut 28 can stably drive the stretching moving plate 26 to move when moving, the sliding blocks 27 are symmetrically installed at two sides of the bottom of the stretching moving plate 26, the top of the stretching mechanism 11 corresponding to the sliding blocks 27 is provided with a longitudinal sliding groove 31, and the sliding blocks 27 slide along the longitudinal sliding groove 31.
Referring to fig. 4 to 5, in an example of the present utility model, a connecting rod 18 is connected to the inside of a wire harness positioning hole 14 in a manner of moving outwards along the radial direction of a wire harness end positioning column 13, one end of the connecting rod 18, which is far away from the center of the wire harness end positioning column 13, is connected to an adjusting screw 16, an internal thread block 17 is mounted on the circumferential outer wall of the wire harness end positioning column 13 corresponding to the adjusting screw 16, the adjusting screw 16 is connected to the internal thread block 17 in a threaded manner, meanwhile, the end of the connecting rod 18 placed in the wire harness positioning hole 14 is connected to an arc-shaped fixing pressing block 20 in a rotating manner through a rotating rod 19, the adjusting screw 16 is rotated to adjust the depth placed in the internal thread block 17, so as to adjust the position of the arc-shaped fixing pressing block 20 placed in the wire harness positioning hole 14, and then the wire harness segments placed in the wire harness positioning hole 14 are pressed and fixed through the arc-shaped fixing pressing block 20, and the two ends of the straight wire harness segments placed between the wire harness end positioning columns 13 are kept fixed;
specifically, one surface of the arc-shaped fixing pressing block 20, which is in contact with the wire harness, is provided in a corrugated shape for increasing the stability of pressing with the wire harness.
In the above embodiment of the utility model, the two ends of the wire harness are respectively passed through the wire harness positioning holes 14 inside the wire harness end positioning posts 13 at both sides before the wire harness is tested, and the arc-shaped fixing pressing block 20 is driven by the rotation of the adjusting screw 16 to fix the wire harness section inside the wire harness positioning holes 14, then the luminous element 21 is installed on the wire harness positioned at the outer section of the wire harness end positioning posts 13 at both sides, and the two ends of the wire harness are connected with the power supply 22, then the single or multiple wire harnesses are selected to be tested for tensile strength according to the strength test requirement of the wire harness, during the wire harness test, the wire harness hooks 23 are hooked on the corresponding wire harnesses, then the servo motor 30 is started to drive the nuts 28 to move along the lead screws 29 to drive the stretching moving plate 26 to move along the stretching machine frame 11, and during the test, the maximum tensile strength range is judged according to whether the luminous element 21 emits light or not on the wire harness.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. Supporting pencil intensity testing arrangement of electric motor car, its characterized in that, supporting pencil intensity testing arrangement of electric motor car includes: a wire harness strength test board; the tensile mechanism is installed to pencil intensity test bench top one side, and the tensile mechanism bench removes and is provided with tensile movable plate, installs multiunit pencil hook on the tensile movable plate, two pencil tip fixing bases of pencil intensity test bench top both sides fixed mounting that tensile mechanism bench is relative, pencil tip fixing base internally mounted have horizontal pencil tip reference column, and the wiring between the pencil tip reference column of both sides is parallel with tensile movable plate horizontal section, and the pencil tip electric connection that is located pencil tip reference column opposite side has the power, installs the light emitting part on the pencil that is located non-tensile test section, a plurality of evenly distributed's pencil locating holes that run through along the axial are seted up to pencil tip reference column inside.
2. The electric vehicle supporting wire harness strength testing device according to claim 1, wherein one end of the wire harness hook, which faces the stretching moving plate, is connected with a hook rod, a T-shaped sliding block is installed at the bottom end of the hook rod, a transverse sliding groove is formed in the stretching moving plate corresponding to the T-shaped sliding block, and the T-shaped sliding block transversely moves along the inner part of the transverse sliding groove.
3. The device for testing the strength of the wire harness matched with the electric vehicle according to claim 2, wherein a nut is arranged at the bottom middle part of the stretching moving plate through a connecting rod, a screw rod is connected with the middle part of the nut in a threaded manner, one end of the screw rod is connected with a servo motor, the screw rod is vertically distributed with the transverse sliding groove, and a phase guiding device for limiting the rotation of the screw rod is arranged on the nut.
4. The device for testing the strength of the wire harness matched with the electric vehicle according to claim 3, wherein the sliding blocks are symmetrically arranged on two sides of the bottom of the stretching moving plate, longitudinal sliding grooves are formed in the tops of the stretching mechanism platforms corresponding to the sliding blocks, and the sliding blocks slide along the longitudinal sliding grooves.
5. The electric vehicle supporting wire harness strength testing device according to claim 4, wherein a connecting rod is connected inside the wire harness locating hole in an outward moving mode along the radial direction of the wire harness end locating column, one end, away from the center of the wire harness end locating column, of the connecting rod is connected with an adjusting screw, an inner threaded block is mounted on the circumferential outer wall of the wire harness end locating column corresponding to the adjusting screw, the adjusting screw is in threaded connection with the inner threaded block, and an arc-shaped fixing pressing block is connected to the end of the connecting rod arranged inside the wire harness locating hole in a rotating mode through a rotating rod.
6. The electric vehicle-associated harness strength testing device of claim 5, wherein a face of the arc-shaped fixed pressing block in contact with the harness is provided in a corrugated shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320828372.8U CN219657370U (en) | 2023-04-14 | 2023-04-14 | Intensity testing device for wiring harness matched with electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320828372.8U CN219657370U (en) | 2023-04-14 | 2023-04-14 | Intensity testing device for wiring harness matched with electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219657370U true CN219657370U (en) | 2023-09-08 |
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ID=87880890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320828372.8U Active CN219657370U (en) | 2023-04-14 | 2023-04-14 | Intensity testing device for wiring harness matched with electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219657370U (en) |
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2023
- 2023-04-14 CN CN202320828372.8U patent/CN219657370U/en active Active
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