CN114858332B - Electric tail gate anti-clamping force testing device - Google Patents
Electric tail gate anti-clamping force testing device Download PDFInfo
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- CN114858332B CN114858332B CN202210672880.1A CN202210672880A CN114858332B CN 114858332 B CN114858332 B CN 114858332B CN 202210672880 A CN202210672880 A CN 202210672880A CN 114858332 B CN114858332 B CN 114858332B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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Abstract
The invention provides an anti-pinch force testing device of an electric tail gate, which comprises a base, a telescopic rod, a force value tester and a stress platform, wherein the telescopic rod is vertically arranged, the lower end of the telescopic rod is connected with the base, the force value tester is arranged at the upper end of the telescopic rod, and the stress platform which is used for being in contact with the inner wall of the lower edge of the electric tail gate is arranged at the upper end of the force value tester; the force value tester is used for testing the force received by the stress platform and displaying the obtained force value on a display screen arranged on the outer wall of the force value tester. According to the invention, the stress platform and the force value tester can be stably supported by the base and the telescopic rod, and the force value tester cannot fall down along with the tail door even under the action of the impact force of closing the tail door, so that the force value of the clamping-resistant force of the tail door detected by the force value tester is more accurate.
Description
Technical Field
The invention belongs to the technical field of automobile tail door anti-pinch force tests, and particularly relates to an electric tail door anti-pinch force testing device.
Background
In recent years, the degree of automobile electromotion is higher, the electric tail gate gradually becomes the standard configuration of a plurality of automobile types, the safety of the electric tail gate is more emphasized and tested, and the requirement of the testing position of the clamping force of the electric tail gate is clearly specified in the drafted national standard of automobile clamping prevention system, namely the clamping force of the electric tail gate when the electric tail gate is opened at 1/5, 2/5, 3/5 and 4/5 angles needs to be tested. Adopt handheld dynamometer to test the anti-pinch force of electronic tail-gate among the prior art usually, but handheld dynamometer only relies on operator's arm to provide holding power in the test process, is receiving the tail-gate to close the door when assaulting like this, and arm and handheld dynamometer can lead to the power value test inaccurate along with the tail-gate tenesmus, and the holding power that handheld dynamometer received is unstable promptly, leads to the power value test inaccurate because of receiving the tail-gate to close the door and assaulting easily. Therefore, how to design a testing device to make the testing force value of the anti-clamping force of the electric tail gate more accurate becomes a technical problem that the technical personnel in the field need to solve urgently.
Disclosure of Invention
The invention aims to provide an anti-clamping force testing device for an electric tail gate, which aims to solve the technical problems in the prior art.
In order to realize the purpose, the invention provides the following technical scheme:
a clamping force prevention testing device for an electric tail gate comprises a base, a telescopic rod, a force value tester and a stress platform, wherein the telescopic rod is vertically arranged, the lower end of the telescopic rod is connected with the base, the force value tester is arranged at the upper end of the telescopic rod, and the stress platform used for being in contact with the inner wall of the lower edge of the electric tail gate is arranged at the upper end of the force value tester; the force value tester is used for testing the force received by the stress platform and displaying the obtained force value on a display screen arranged on the outer wall of the force value tester.
Preferably, the telescopic rod comprises an outer tube, an inner rod and a locking piece, the lower end of the outer tube is used for being connected with the base, the inner rod is arranged in the outer tube in a sliding mode, and the locking piece is used for locking the inner rod.
Preferably, the locking piece comprises a marble and an elastic piece, an installation groove is horizontally arranged on the outer wall of the inner rod, one end of the elastic piece is connected with the bottom of the installation groove, and the other end of the elastic piece is connected with the marble; a plurality of locking holes are horizontally formed in the outer pipe, and the locking holes are uniformly distributed in the extending direction of the outer pipe; the locking hole is a tapered hole matched with the outer surface of the marble, and the marble is provided with a locking position located in the locking hole and an unlocking position separated from the locking hole.
Preferably, the elastic member is a spring.
Preferably, the locking piece is a locking screw, a plurality of threaded holes matched with a screw rod section of the locking screw are horizontally formed in the outer tube, and the threaded holes are uniformly distributed in the extending direction of the outer tube; and the screw rod section of the locking screw penetrates through the threaded hole and then is tightly propped against the inner rod.
Preferably, it still includes angle measurement mechanism, angle measurement mechanism includes first measuring stick, second measuring stick and protractor, first measuring stick sets up on the telescopic link, the upper end setting of first measuring stick is in the central zero point department of protractor, vertical setting of first measuring stick and with the zero line of protractor coincides mutually, the one end of second measuring stick with the upper end of first measuring stick is rotated and is connected.
Preferably, the bottom of the base is provided with a roller.
Preferably, the base is of a triangular pyramid frame structure, the lower end of the telescopic rod is connected with the top end of the base, and the rollers are arranged at three corners of the bottom of the base.
Preferably, the base is of a rectangular structure, the rollers are arranged at four corners of the bottom of the base, and the lower end of the telescopic rod is connected with the middle of the base.
Preferably, the roller is a universal wheel.
The invention has the beneficial effects that:
when the anti-clamping force testing device for the electric tail gate is used, the base is arranged on the ground, the force value tester and the stress platform are supported by the base and the telescopic rod, when the lower edge of the tail gate is in contact with the stress platform, the stress platform transmits the force applied by the stress platform to the force value tester, the force value tester obtains the force value of the force, and then the force value is displayed on the display screen, so that the anti-clamping force testing for the electric tail gate is realized. Therefore, the force value tester and the force value tester can be stably supported by the base and the telescopic rod, and the force value tester cannot fall down along with the tail door even under the action of the tail door closing impact force, so that the tail door clamping-resistant force value obtained by the force value tester is accurate, and the phenomenon that the handheld dynamometer is inaccurate in force value test due to the fact that the handheld dynamometer is easily subjected to tail door closing impact in the prior art is well avoided.
Drawings
In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, and the embodiments of the present invention will be further described in detail with reference to the drawings, wherein
FIG. 1 is a schematic view of an anti-pinch force testing device for an electric tailgate according to an embodiment of the present invention;
fig. 2 is a schematic view of a telescopic rod according to an embodiment of the present invention;
FIG. 3 is a schematic view of an angle measurement mechanism provided in an embodiment of the present invention;
FIG. 4 is a schematic view of an angle measurement mechanism provided in accordance with an embodiment of the present invention in use;
FIG. 5 is a schematic view of a power tailgate provided in accordance with an embodiment of the present invention;
fig. 6 is another schematic view of the power tailgate provided in accordance with an embodiment of the present invention.
In the drawings, the reference numbers:
11. a base 12, a roller 21, a telescopic rod 22, an outer tube 23 and an inner rod,
24. a locking hole 25, a marble 31, a force value tester 32, a stress platform,
41. a first measuring rod 42, a second measuring rod 43, a protractor 44, a center zero point,
51. a side wall metal plate 61, an electric tail gate 62, a lower edge 63, a test point,
64. and (4) tail gate metal plates.
Detailed Description
In order to make the technical solutions of the present invention better understood, the present invention will be further described in detail with reference to specific embodiments.
As shown in fig. 1 to 6, an embodiment of the present invention provides an anti-pinch force testing apparatus for an electric tailgate, which includes a base 11, an expansion link 21, a force value tester 31, and a force platform 32, where the expansion link 21 is vertically disposed, a lower end of the expansion link 21 is connected to the base 11, the upper end of the expansion link 21 is provided with the force value tester 31, and an upper end of the force value tester 31 is provided with the force platform for contacting an inner wall of a lower edge 62 of an electric tailgate 61; the force value tester 31 is used for testing the force applied to the force-applying platform 32, and displaying the obtained force value on a display screen arranged on the outer wall of the force value tester 31.
When the electric tail gate anti-clamping force testing device provided by the embodiment of the invention is used, the base 11 is arranged on the ground, the force value tester 31 and the stress platform 32 are supported by using the base 11 and the telescopic rod 21, when the lower edge 62 of the tail gate is in contact with the stress platform, the stress platform transmits the force applied by the stress platform to the force value tester, the force value tester obtains the force value of the force, and then the force value is displayed on the display screen, so that the electric tail gate anti-clamping force testing is realized. Therefore, the force value tester can not fall down along with the tail door even under the action of the tail door closing impact force, so that the tail door anti-clamping force value obtained by the force value tester is more accurate, and the phenomenon that the handheld dynamometer in the prior art is inaccurate in force value test due to the fact that the handheld dynamometer is subjected to the tail door closing impact force is well avoided. Meanwhile, the telescopic rod can be used for conveniently adjusting the position of the stress platform in the vertical direction, so that the electric tail gate anti-clamping force testing device can be suitable for anti-clamping force testing of the tail gate at different opening angles.
Further, the telescopic rod 21 comprises an outer tube 22, an inner rod 23 and a locking piece, the lower end of the outer tube 22 is used for being connected with the base, the inner rod 23 is arranged in the outer tube 22 in a sliding mode, and the locking piece is used for locking the inner rod. By adopting the scheme, the length of the telescopic rod can be conveniently adjusted.
In an embodiment provided by the present invention, the locking member includes a marble 25 and an elastic member, a mounting groove is horizontally arranged on the outer wall of the inner rod, one end of the elastic member is connected with the bottom of the mounting groove, and the other end of the elastic member is connected with the marble; a plurality of locking holes 24 are horizontally formed in the outer pipe, and are uniformly distributed in the extension direction of the outer pipe; the locking hole is a tapered hole matched with the outer surface of the marble, and the marble is provided with a locking position located in the locking hole and an unlocking position separated from the locking hole. By adopting the scheme, when the marble is pressed into the locking hole under the action of the restoring force of the elastic part, the marble is positioned at the locking position, so that the inner rod is locked, and the inner rod is prevented from moving in the outer tube; when the inner rod is pulled upwards or pushed downwards, the inner rod overcomes the restoring force of the elastic piece and is separated from the locking hole, the locking of the inner rod is released, and the marble at the moment is located at the unlocking position.
Specifically, the elastic part is a spring, so that the structure of the elastic part is simple, and replacement or maintenance is convenient.
In another embodiment provided by the present invention, the locking member is a locking screw, the outer tube is horizontally provided with a plurality of threaded holes for matching with screw sections of the locking screw, and the threaded holes are uniformly distributed in the extending direction of the outer tube; and the screw section of the locking screw penetrates through the threaded hole and then is tightly pressed on the inner rod. By adopting the scheme, after the inner rod is adjusted to a required position, the screw rod section of the locking screw penetrates through the threaded hole and is tightly propped against the inner rod, so that the inner rod can be locked; the locking screw is unscrewed, and the locking of the inner rod can be released.
Further, this electronic tail-gate anti-pinch force testing arrangement still includes angle measurement mechanism, angle measurement mechanism includes first measuring stick 41, second measuring stick 42 and protractor 43, first measuring stick sets up on the telescopic link 21, the upper end setting of first measuring stick is in the center zero point 44 department of protractor 43, the vertical setting of first measuring stick and with the zero line of protractor coincides mutually, the one end of second measuring stick with the upper end of first measuring stick is rotated and is connected. By adopting the scheme, the positions of the first measuring rod and the tail gate when the first measuring rod is closed are coincided, and the positions of the second measuring rod and the tail gate when the second measuring rod is completely opened are coincided, so that the angles of the tail gate when the tail gate is completely opened can be obtained through the protractor, and then the angles of the tail gate when the tail gate is opened by 1/5, 2/5, 3/5 and 4/5 can be calculated, so that the clamping-resistant force of the tail gate at different opening angles can be conveniently tested. It can be understood that because first measuring stick sets up on the telescopic link, can follow the telescopic link and reciprocate to be convenient for measure and fix a position the angle that the tail-gate was opened.
Specifically, the bottom of the base 11 is provided with the rollers 12, so that the electric tailgate anti-pinch force testing device is convenient to move. It can be understood that, the gyro wheel can link to each other with the base through the mount, can be provided with on the mount and be used for carrying out the locking mechanism of locking to the gyro wheel, and this locking mechanism can be for the manual formula commonly used among the prior art or step on the locking mechanism that the mode realized the locking to the gyro wheel through the foot to avoid removing the base back that targets in place, the gyro wheel takes place the rotation again.
In an embodiment, the base 11 is a triangular pyramid frame structure, the lower end of the telescopic rod 21 is connected with the top end of the base, and the rollers 12 are arranged at three corners of the bottom of the base, so that the telescopic rod and the force value tester can be better supported.
In another embodiment, the base is a rectangular structure, the four corners of the bottom of the base are provided with the rollers, and the lower end of the telescopic rod is connected with the middle position of the base.
Particularly, the roller is a universal wheel, so that the moving direction can be conveniently adjusted and the steering can be conveniently carried out during moving.
The embodiment of the invention provides a testing method of an anti-pinch force testing device of an electric tail gate, which comprises the following steps:
step S1, enabling the first measuring rod 41 to coincide with the position of the electric tail gate when the electric tail gate is fully closed, enabling the second measuring rod 42 to coincide with the position of the electric tail gate when the electric tail gate is fully opened, and measuring through the protractor 43 to obtain the angle of the electric tail gate when the electric tail gate is fully opened, namely the maximum opening angle of the electric tail gate 61;
s2, according to the angle of the electric tail gate when the electric tail gate is fully opened, the specific angles of the electric tail gate when the electric tail gate is opened by 1/5, 2/5, 3/5 and 4/5 can be obtained through calculation; then, the position of the first measuring rod is kept unchanged, and the second measuring rod is shifted upwards until the angle between the second measuring rod and the first measuring rod is any one of the specific angles;
step S3, opening the electric tail gate 61 to a position overlapped with the second measuring rod 42;
s4, adjusting the telescopic rod 21 to enable the lower edge of the tail gate to be in contact with the stress platform and enable the marble to be in a locking position;
and S5, opening the electric tail gate to a full-open state, then opening an electric closing switch of the electric tail gate to close the electric tail gate, impacting the stress platform when the electric tail gate descends and closes, transmitting the impact force received by the stress platform to the force value tester, detecting the force value by the force value tester, and displaying the force value on the display screen, wherein the force value is the clamping force prevention force value when the electric tail gate is opened by 1/5, 2/5, 3/5 and 4/5.
In a specific embodiment, assuming that the angle of the power tailgate is 95 ° when it is fully opened, as shown in fig. 3, when the anti-pinching force of the power tailgate when it is opened 1/5, 2/5, 3/5, 4/5 is measured, the angles between the first measuring rod and the second measuring rod are adjusted to 19 °, 38 °, 57 °, and 76 ° respectively in step S2, and then the anti-pinching force values of the power tailgate when it is opened 1/5, 2/5, 3/5, and 4/5 can be obtained in step S5. At this time, the broken lines from bottom to top in fig. 4 respectively represent the positions of the second measuring rod 42 when the electric tailgate is opened by 2/5, 3/5, 4/5 and fully opened; the solid line in fig. 4 shows the position of the second measuring rod when the power tailgate is opened by 1/5.
It can be understood that when the second measuring rod is not used, the second measuring rod can be rotated to be overlapped with the first measuring rod, so that the storage is convenient to realize; can test the cubic respectively at the left side section, middle section and the right side section of tail-gate lower limb 62, select three test point 63 in every section promptly respectively, totally nine data, get the average and obtain the tail-gate and prevent the power of pressing from both sides at a certain opening angle's final to make this power value of preventing the power of pressing from both sides, can embody the anti-pinch force level of electronic tail-gate when this opening angle betterly.
The clamping-preventing force testing device for the electric tail gate, provided by the embodiment of the invention, can conveniently and quickly test the clamping-preventing force value of the electric tail gate at each door-closing angle, improve the working efficiency of the whole vehicle in a test acceptance stage and ensure the safety of the mass production and development of the electric tail gate; meanwhile, the device can be universally used for various different vehicle types, and the test device does not need to be modified when different vehicle types are tested, so that the cost is low; moreover, the force value tester is provided with a display screen, so that the reading of the clamping-resistant force value is convenient and clear, and the whole testing process can be finished by one person without help; the testing device is provided with an angle measuring mechanism, and can conveniently and quickly test the clamping-resistant force of the electric tail gate at each opening angle.
The above are only preferred embodiments of the present invention, it should be noted that these examples are only for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope of the claims appended to the present application.
Claims (9)
1. The device for testing the clamping force prevention of the electric tail gate is characterized by comprising a base, a telescopic rod, a force value tester and a stress platform, wherein the telescopic rod is vertically arranged, the lower end of the telescopic rod is connected with the base, the force value tester is arranged at the upper end of the telescopic rod, and the stress platform used for being in contact with the inner wall of the lower edge of the electric tail gate is arranged at the upper end of the force value tester; the force value tester is used for testing the force applied on the stress platform and displaying the obtained force value on a display screen arranged on the outer wall of the force value tester;
the angle measuring device further comprises an angle measuring mechanism, wherein the angle measuring mechanism comprises a first measuring rod, a second measuring rod and a protractor, the first measuring rod is arranged on the telescopic rod, the upper end of the first measuring rod is arranged at the central zero point of the protractor, the first measuring rod is vertically arranged and is coincided with the zero line of the protractor, and one end of the second measuring rod is rotatably connected with the upper end of the first measuring rod;
the first measuring rod is made to coincide with the closing position of the tail gate, the second measuring rod is made to coincide with the opening position of the tail gate, the angle of the tail gate when the tail gate is opened can be obtained through the protractor, and then the angles of the tail gate when the tail gate is opened 1/5, 2/5, 3/5 and 4/5 can be calculated, so that the clamping prevention force of the tail gate at different opening angles can be tested conveniently; because first measuring stick sets up on the telescopic link, can follow the telescopic link and reciprocate to be convenient for measure and fix a position the angle that the tail-gate was opened.
2. The electric tailgate clamping-force-prevention testing device according to claim 1, wherein the telescopic rod comprises an outer tube, an inner rod and a locking piece, the lower end of the outer tube is used for being connected with the base, the inner rod is arranged in the outer tube in a sliding manner, and the locking piece is used for locking the inner rod.
3. The electric tailgate anti-pinch force testing device according to claim 2, wherein the locking piece comprises a marble and an elastic piece, an installation groove is horizontally arranged on the outer wall of the inner rod, one end of the elastic piece is connected with the bottom of the installation groove, and the other end of the elastic piece is connected with the marble; a plurality of locking holes are horizontally formed in the outer pipe, and the locking holes are uniformly distributed in the extension direction of the outer pipe; the locking hole is a tapered hole matched with the outer surface of the marble, and the marble is provided with a locking position located in the locking hole and an unlocking position separated from the locking hole.
4. The electric tailgate anti-pinch force testing device according to claim 3, wherein the elastic member is a spring.
5. The electric tailgate anti-pinch force testing device according to claim 2, wherein the locking piece is a locking screw, a plurality of threaded holes matched with a screw section of the locking screw are horizontally formed in the outer pipe, and the threaded holes are uniformly distributed in the extending direction of the outer pipe; and the screw section of the locking screw penetrates through the threaded hole and then is tightly pressed on the inner rod.
6. The electric tailgate anti-pinch force test device according to claim 1, characterized in that rollers are arranged at the bottom of the base.
7. The electric tailgate anti-pinch force testing device according to claim 6, wherein the base is of a triangular pyramid frame structure, the lower end of the telescopic rod is connected with the top end of the base, and the rollers are arranged at three corners of the bottom of the base.
8. The electric tailgate clamping-force testing device according to claim 6, wherein the base is of a rectangular structure, the rollers are arranged at four corners of the bottom of the base, and the lower end of the telescopic rod is connected with the middle position of the base.
9. The electric tailgate anti-pinch force test device according to claim 6, wherein the rollers are universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210672880.1A CN114858332B (en) | 2022-06-14 | 2022-06-14 | Electric tail gate anti-clamping force testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210672880.1A CN114858332B (en) | 2022-06-14 | 2022-06-14 | Electric tail gate anti-clamping force testing device |
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| CN114858332A CN114858332A (en) | 2022-08-05 |
| CN114858332B true CN114858332B (en) | 2023-03-31 |
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| CN106768553B (en) * | 2016-12-25 | 2019-03-15 | 重庆鼎汉机械有限公司 | For measuring the device of automobile trunk chamber door opening and closing power |
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| CN114112331A (en) * | 2020-08-10 | 2022-03-01 | 上海沃尔沃汽车研发有限公司 | Tail door closing force measuring device |
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| CN204359308U (en) * | 2015-02-02 | 2015-05-27 | 蔡中华 | Underworkings Multifunctional measuring tool |
| CN211012710U (en) * | 2020-01-06 | 2020-07-14 | 驻马店市华中公路设计有限公司 | Protractor for highway design |
| CN112504086A (en) * | 2020-11-19 | 2021-03-16 | 河南航天精工制造有限公司 | Inner cone angle measuring device |
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