CN215768065U - Pencil fatigue performance detection device - Google Patents
Pencil fatigue performance detection device Download PDFInfo
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- CN215768065U CN215768065U CN202120780107.8U CN202120780107U CN215768065U CN 215768065 U CN215768065 U CN 215768065U CN 202120780107 U CN202120780107 U CN 202120780107U CN 215768065 U CN215768065 U CN 215768065U
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- lifting
- displacement
- clamp
- guide rail
- wire harness
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Abstract
The utility model discloses a wire harness fatigue performance detection device, which comprises a control console and a test board; a first clamp, a moving device, an angle sensor and a displacement sensor are arranged on the table top of the test table, a lifting device is arranged on the moving device, and a second clamp is arranged on the lifting device; the control console controls the lifting device and the moving device to receive the angles acquired by the angle sensor and the displacements acquired by the displacement sensor. The device simulates the steering angle through the lifting device, simulates the displacement through the moving device, is more real compared with the traditional device, controls the number of times that the wire harness moves according to the standard track through the controller, monitors through the angle sensor and the displacement sensor, and can accurately detect the fatigue data of the wire harness.
Description
Technical Field
The utility model relates to a wiring harness fatigue performance detection device, and belongs to the field of automobile connectors.
Background
At present, most of domestic performance detection devices for steering column wire harnesses are loaded by hydraulic actuators or springs, loading systems are complex and tedious, actual steering angles or displacements of automobiles cannot be simulated really, and motors cannot be controlled in real time by using control systems of the testing devices, so that accuracy of fatigue test data is difficult to guarantee.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wire harness fatigue performance detection device, which solves the problems disclosed in the background technology.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
a wiring harness fatigue performance detection device comprises a control console and a test board;
a first clamp, a moving device, an angle sensor and a displacement sensor are arranged on the table top of the test table, a lifting device is arranged on the moving device, and a second clamp is arranged on the lifting device;
the first clamp and the second clamp respectively clamp two ends of a test sample, the lifting device drives the end part of the test sample clamped by the second clamp and the second clamp to lift, the angle sensor acquires the angle between the test sample and the table board, the moving device drives the end part of the test sample clamped by the lifting device, the second clamp and the second clamp to move along the length direction of the table board, and the displacement sensor acquires the displacement of the end part of the test sample clamped by the second clamp;
the control console controls the lifting device and the moving device to receive the angles acquired by the angle sensor and the displacements acquired by the displacement sensor.
The control console comprises a controller and a human-computer interaction device, the human-computer interaction device is connected with the controller, and the controller controls the lifting device and the moving device to receive the angles acquired by the angle sensor and the displacements acquired by the displacement sensor.
The moving device comprises a displacement driving device and a displacement guide rail, the displacement guide rail is arranged along the length direction of the table board, the lifting device is arranged on the displacement guide rail in a sliding mode, the displacement driving device is arranged on the table board and connected with the control console, and the displacement driving device drives the lifting device to move along the displacement guide rail.
An upper displacement limiter and a lower displacement limiter are arranged on the table board, the upper displacement limiter limits the lifting device to move upwards, and the lower displacement limiter limits the lifting device to move downwards.
The lifting device comprises a support, a lifting driving device and a lifting guide rail, the lifting driving device and the lifting guide rail are arranged on the support, the support is arranged on the moving device, the second fixture is arranged on the lifting guide rail in a sliding mode, and the lifting driving device is connected with the control console and drives the second fixture to lift along the lifting guide rail.
An upper lifting limiting device and a lower lifting limiting device are arranged on the support, the upper lifting limiting device limits the second fixture to ascend, and the lower lifting limiting device limits the second fixture to descend.
The second clamp is a hole clamp.
The table-board of the test table is an inclined table-board, the first clamp is positioned at the lower part, and the moving device is positioned at the higher part.
The utility model achieves the following beneficial effects: the device simulates the steering angle through the lifting device, simulates the displacement through the moving device, is more real compared with the traditional device, controls the number of times that the wire harness moves according to the standard track through the controller, monitors through the angle sensor and the displacement sensor, and can accurately detect the fatigue data of the wire harness.
Drawings
FIG. 1 is a schematic view of a console;
FIG. 2 is a perspective view of a test stand;
FIG. 3 is a side view of a test station.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
A wiring harness fatigue performance detection device comprises a control console 1 and a test bench 2; a first clamp 21, a moving device, an angle sensor 25 and a displacement sensor 24 are fixed on the table top of the test table 2, a lifting device is fixed on the moving device, and a second clamp 28 is arranged on the lifting device; the first clamp 21 and the second clamp 28 respectively clamp two ends of a test sample, the lifting device drives the end part of the test sample 214 clamped by the second clamp 28 and the second clamp 28 to lift, the angle sensor 25 acquires the angle between the test sample 214 and the table top, the moving device drives the end part of the test sample 214 clamped by the lifting device, the second clamp 28 and the second clamp 28 to move along the length direction of the table top, and the displacement sensor 24 acquires the displacement of the end part of the test sample 214 clamped by the second clamp 28; the console 1 controls the lifting device and the moving device, and receives the angle acquired by the angle sensor 25 and the displacement acquired by the displacement sensor 24.
As shown in fig. 1, the console 1 includes a housing 13, a controller, a human-computer interaction device 11, and a power supply unit.
The man-machine interaction device 11 is connected with the controller, the man-machine interaction device 11 is a touch screen and is installed on the top surface of the shell 13, the touch screen can display angles and displacements and can also set control parameters, such as the number of times of movement of the wire harness according to a standard track, namely the number of times of movement of the moving device, the number of times of lifting of the lifting device and the like.
The controller is a control unit of the whole device, is installed in the shell 13, is internally provided with a control program, controls the moving device and the lifting device according to set control parameters, receives the angle acquired by the angle sensor 25 and the displacement acquired by the displacement sensor 24, and displays the angles and the displacement through the touch screen.
The surface of the shell 13 is also provided with a plurality of jacks 15 connected with the controller, and the connection with the moving device, the lifting device, the angle sensor 25 and the displacement sensor 24 is realized through matched data lines.
The power supply unit comprises a power circuit arranged in the shell 13, a switch 12 arranged on the top surface of the shell 13 and a power plug 14 connected with the power circuit and extending out of the shell 13, wherein the power plug 14 is connected with commercial power (220V), the power circuit is used for converting 220V voltage into 48V, and the switch 12 controls the on-off of the commercial power.
As shown in fig. 2 and 3, the test platform 2 includes a platform, one end of the bottom of the platform is hinged to the fixing surface, the other end of the platform is of a lifting structure, the platform can be inclined at any angle by the lifting structure, the first clamp 21 on the platform is located at a low position, and the moving device is located at a high position; wherein, the first clamp 21 adopts the fixed clamp, and the quantity is set according to the actual conditions, for example, 2 are set in the figure, and all the first clamps 21 are ensured to be on a straight line.
The moving device comprises a displacement driving device 23 and a displacement guide rail 22, the displacement guide rail 22 is fixed along the length direction of the table top, the lifting device is arranged on the displacement guide rail 22 in a sliding manner, the displacement driving device 23 is fixed on the table top, a common motor is adopted, the motor is connected with a controller of the control table 1, and the motor drives the lifting device to move along the displacement guide rail 22 (the motor drives the object to move along the guide rail, which is an existing structure and is not described in detail here).
An upper displacement limiter 29 and a lower displacement limiter 210 are further fixed on the table top, the upper displacement limiter 29 limits the lifting device to move upwards, the lower displacement limiter 210 limits the lifting device to move downwards, and the upper displacement limiter 29 and the lower displacement limiter 210 can adopt limit blocks.
The lifting device comprises a support 26, a lifting driving device 211 and a lifting guide rail 27, wherein the lifting driving device 211 and the lifting guide rail 27 are fixed on the support 26, the support 26 is slidably arranged on the displacement guide rail 22, the second clamp 28 is slidably arranged on the lifting guide rail 27, the second clamp 28 is a hole-type clamp, the lifting driving device 211 adopts a common motor, the motor drives the second clamp 28 to lift through a belt pulley, and the motor is connected with a controller of the console 1.
An upper lifting limiter 212 and a lower lifting limiter 213 are fixed on the bracket 26, the upper lifting limiter 212 limits the second fixture 28 to lift, the lower lifting limiter 213 limits the second fixture 28 to fall, and the upper lifting limiter 212 and the lower lifting limiter 213 can adopt limit blocks.
The working principle of the device is as follows:
before the formal test is started, the test sample 214 is prepared: the method comprises the following steps that sample wires are arranged in a steering column according to actual arrangement, and the head end and the tail end of the sample wires are respectively fixed at the front end and the rear end of the steering column, so that a wire harness can conveniently move along with the steering column;
the test sample 214 is mounted on the test stand 2: the front end of the test sample 214 is clamped to the second jig 28, i.e., the hole jig, and the rear end of the test sample 214 is clamped to the first jig 21;
the control console 1 is powered on, control parameters are set through the touch screen, the mobile device and the lifting device are started, and the angle, the displacement, the number of times of movement of the wire harness according to a standard track and the like are displayed through the touch screen in the detection process;
the motion principle of the moving device and the lifting device is as follows: the console 1 controls the lifting driving device 211, the lifting driving device 211 enables the second clamp 28 to rise along the lifting guide rail 27, so as to drive the front end of the test sample piece 214 to move together, when the second clamp 28 moves to the upper limit, the lifting limiter 212 can prevent the second clamp 28 from continuing to move, at this time, a maximum positive included angle is formed between the horizontal rod body of the test sample piece 214 and the table top, the included angle is collected by the angle sensor 25 and transmitted to the console 1, the console 1 receives a signal to control the lifting driving device 211 to rotate reversely, so that the second clamp 28 drives the front end of the test sample piece 214 to fall (the subsequent process is similar to the lifting process); the console 1 controls the displacement driving device 23, the displacement driving device 23 causes the second clamp 28 to drive the front end of the test sample piece 214 to move upwards on the table top, when the test sample piece moves to the upper displacement limit, the upper displacement limiter 29 prevents the test sample piece 214 from continuing to move upwards, at this time, the front end of the test sample piece 214 has a maximum positive displacement upwards along the table top, the displacement sensor 24 collects the displacement and transmits the displacement to the console 1, and the console 1 receives a signal to control the displacement driving device 23 to rotate reversely, so that the second clamp 28 drives the front end of the test sample piece 214 to move downwards (the subsequent process is similar to the upwards moving process).
And one motion cycle comprises four motion limit positions, the appearance sequence of the four limit positions is set according to different test standards, and one motion cycle is counted as one motion according to a standard track. When the number of movements reaches the preset total number, the console 1 controls the elevation driving means 211 and the displacement driving means 23 to stop, so that the movement stops.
And finally, finally evaluating the fatigue performance of the steering column wire harness through a series of performance detection of the wire harness after the motion test.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a pencil fatigue performance detection device which characterized in that: comprises a control console and a test bench;
a first clamp, a moving device, an angle sensor and a displacement sensor are arranged on the table top of the test table, a lifting device is arranged on the moving device, and a second clamp is arranged on the lifting device;
the first clamp and the second clamp respectively clamp two ends of a test sample, the lifting device drives the end part of the test sample clamped by the second clamp and the second clamp to lift, the angle sensor acquires the angle between the test sample and the table board, the moving device drives the end part of the test sample clamped by the lifting device, the second clamp and the second clamp to move along the length direction of the table board, and the displacement sensor acquires the displacement of the end part of the test sample clamped by the second clamp;
the control console controls the lifting device and the moving device to receive the angles acquired by the angle sensor and the displacements acquired by the displacement sensor.
2. The apparatus for detecting fatigue property of wire harness according to claim 1, wherein: the control console comprises a controller and a human-computer interaction device, the human-computer interaction device is connected with the controller, and the controller controls the lifting device and the moving device to receive the angles acquired by the angle sensor and the displacements acquired by the displacement sensor.
3. The apparatus for detecting fatigue property of wire harness according to claim 1, wherein: the moving device comprises a displacement driving device and a displacement guide rail, the displacement guide rail is arranged along the length direction of the table board, the lifting device is arranged on the displacement guide rail in a sliding mode, the displacement driving device is arranged on the table board and connected with the control console, and the displacement driving device drives the lifting device to move along the displacement guide rail.
4. The apparatus for detecting fatigue property of wire harness according to claim 3, wherein: an upper displacement limiter and a lower displacement limiter are arranged on the table board, the upper displacement limiter limits the lifting device to move upwards, and the lower displacement limiter limits the lifting device to move downwards.
5. The apparatus for detecting fatigue property of wire harness according to claim 1, wherein: the lifting device comprises a support, a lifting driving device and a lifting guide rail, the lifting driving device and the lifting guide rail are arranged on the support, the support is arranged on the moving device, the second fixture is arranged on the lifting guide rail in a sliding mode, and the lifting driving device is connected with the control console and drives the second fixture to lift along the lifting guide rail.
6. The apparatus for detecting fatigue property of wire harness according to claim 5, wherein: an upper lifting limiting device and a lower lifting limiting device are arranged on the support, the upper lifting limiting device limits the second fixture to ascend, and the lower lifting limiting device limits the second fixture to descend.
7. The apparatus for detecting fatigue property of wire harness according to claim 1, 5 or 6, wherein: the second clamp is a hole clamp.
8. The apparatus for detecting fatigue property of wire harness according to claim 1, wherein: the table-board of the test table is an inclined table-board, the first clamp is positioned at the lower part, and the moving device is positioned at the higher part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120780107.8U CN215768065U (en) | 2021-04-16 | 2021-04-16 | Pencil fatigue performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120780107.8U CN215768065U (en) | 2021-04-16 | 2021-04-16 | Pencil fatigue performance detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215768065U true CN215768065U (en) | 2022-02-08 |
Family
ID=80095104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120780107.8U Active CN215768065U (en) | 2021-04-16 | 2021-04-16 | Pencil fatigue performance detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215768065U (en) |
-
2021
- 2021-04-16 CN CN202120780107.8U patent/CN215768065U/en active Active
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