CN111912591A - Vibration test device for automobile door cover lock parts - Google Patents
Vibration test device for automobile door cover lock parts Download PDFInfo
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- CN111912591A CN111912591A CN202010730122.1A CN202010730122A CN111912591A CN 111912591 A CN111912591 A CN 111912591A CN 202010730122 A CN202010730122 A CN 202010730122A CN 111912591 A CN111912591 A CN 111912591A
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- 238000012360 testing method Methods 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 128
- 238000004088 simulation Methods 0.000 claims abstract description 68
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 abstract description 14
- 238000013461 design Methods 0.000 abstract description 8
- 230000007547 defect Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/027—Specimen mounting arrangements, e.g. table head adapters
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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Abstract
The invention discloses a vibration test device for automobile door cover lock components, belonging to the technical field of test devices and comprising a load simulation mechanism, a lock body fixing mechanism, a lock ring fixing mechanism and a basic mechanism, wherein the load simulation mechanism is fixed at the top end of the basic mechanism, and the lower part of the load simulation mechanism is connected with the lock body fixing mechanism; the load simulation mechanism provides internal force through a compression coil spring, ensures the stable action of the internal force through a guide screw structure, and is transmitted to the lock body fixing mechanism under the action of the guide screw, so that the simulation and adjustment of the load/separation force between the lock and the lock ring are realized; the lock body fixing mechanism is connected with the load simulation mechanism in a floating mode, the angle of a lock body installation surface can be adjusted, and the load applied by the load simulation mechanism is transmitted to the lock body fixing mechanism and the lock body. The invention overcomes the defects of the original scheme, realizes the generalization, is suitable for all doors and front and rear cover lock parts of the whole vehicle, does not need to design and trial-produce each vehicle and each piece independently, and directly reduces the design trial-produce period of a single vehicle type by 4 weeks.
Description
Technical Field
The invention belongs to the technical field of testing devices, and particularly relates to a vibration testing device for automobile door cover lock parts.
Background
The automobile door cover lock component comprises a side door lock, an engine hood lock, a trunk cover lock, a back door lock and the like, and the lock is matched with a lock ring and is an important component for keeping a closed state of an automobile door and a cover. In order to ensure the quality, the performance quality of lock parts needs to be verified by a bench test in a laboratory, wherein a vibration test is a very important item for checking whether the lock is damaged after the vibration test and whether the lock has a locking and retaining function.
The lock has different installation angles of locks at different positions and different stress conditions between the locks and the lock rings, and the lock at the same position has different installation sizes, angles and stress conditions of different vehicle types. The prior scheme needs the design and trial production of special locks for vehicles, the structural framework of the testing device simulates the installation position relationship between a real vehicle lock and a lock ring, the lock body and the lock ring are separately arranged on two structural units, and the relative position relationship between the two structures is fixed and cannot be adjusted. After the lock and the lock ring are installed, the load stress condition between the lock and the lock ring is fixed, the load stress condition cannot be accurately adjusted, and the stress condition of the lock and the lock ring is not consistent with that of an actual vehicle.
The vibration test device is crucial to test result evaluation, the test device not only ensures that a sample piece can be assembled according to the assembly position and relation of an actual vehicle during test, but also needs to simulate the stress condition between the actual vehicle lock and the lock ring, and has enough rigidity to ensure good transmission characteristics, so the requirement on the test device is high. The current test devices have some problems and cannot meet the requirements well. Firstly, the test device is only suitable for a certain part (a door lock or a hood lock or a trunk cover lock) of a certain vehicle type, a new device is needed when one vehicle type is changed and one part is changed, the universality is not realized, and the cycle of new design and manufacture is about 5 days; secondly, the test device does not simulate the stress condition of the lock part or the stress condition is not ideal, and the test result evaluation can be directly influenced.
Disclosure of Invention
Aiming at the problems that the door cover lock part vibration test device in the prior art cannot be generalized, the boundary simulation is not good and the like, the invention provides an automobile door cover lock part vibration test device; the invention overcomes the defects of the original scheme by designing and improving the installation scheme, realizes the universalization, is suitable for all doors and front and rear cover lock parts of the whole vehicle, does not need to design and trial-produce each vehicle and each piece independently, and directly reduces the design trial-produce period of a single vehicle type by 4 weeks (each vehicle type is calculated according to 4 locks). The load size adjusting range between the lock and the lock ring is adjustable between 0N and 500N through the design and the model selection of the analog load mechanism.
The invention is realized by the following technical scheme:
a vibration test device for automobile door cover lock components comprises a load simulation mechanism, a lock body fixing mechanism, a lock ring fixing mechanism and a basic mechanism, wherein the load simulation mechanism, the lock body fixing mechanism and the lock ring fixing mechanism are respectively fixed on the basic mechanism; the load simulation mechanism provides internal force through a compression coil spring, the coil spring and the load simulation fixing platform are fixed with the basic mechanism, the guide screw structures on two sides which are arranged in parallel guarantee the stable action of the internal force, the compression amount of the spring is changed, the spring force is transmitted to the lock body fixing mechanism under the action of the guide screw, and the simulation and adjustment of the load/separation force between the lock and the lock ring are realized; the lock body fixing mechanism is not connected with the foundation structure, is only connected with the load simulation mechanism in a floating way and is used for fixing the lock body, adjusting the angle of the installation surface of the lock body and transmitting the load applied by the load simulation mechanism to the lock body fixing mechanism and the lock body; the locking ring fixing mechanism is fixed at the bottom end of the basic mechanism and used for fixing the locking ring and adjusting the angle of the locking ring mounting surface.
Preferably, the load simulation mechanism consists of a loading screw rod 1, a spiral spring 2, a guide screw rod 7 and a load simulation fixed platform 3; the load simulation fixing platform 3 is fixed with the foundation mechanism through bolts, and the guide screw 7 is fixed on the load simulation fixing platform 3 and is in clearance fit with a hole shaft of the lock body fixing mechanism; one end of the loading screw 1 is fixed in a double-nut anti-loose manner, the other end of the loading screw is fixed with the lock body fixing mechanism through threads, and the middle part of the loading screw is in clearance fit with a hole shaft of the load simulation fixing platform 3; the spiral spring 2 is guided and clamped between the load simulation fixing platform 3 and a nut at the top end of the loading screw rod 1 through the loading screw rod 1, and the load applied to the lock body fixing mechanism by the load simulation mechanism is calculated through the compression amount of the spiral spring 2 and the spring stiffness.
Preferably, the lock body fixing mechanism consists of a first direction regulator 4, a first fixing platform 8 and a second fixing platform 9, and the first direction regulator 4 is connected to two sides of the first fixing platform 8 and the second fixing platform 9 through bolts; the second fixing platform 9 is used for installing the lock body of the tested part, and the first fixing platform 8 is connected with the load simulation mechanism and used for transmitting the load of the load simulation mechanism to the lock body of the tested part.
Preferably, the first direction regulator 4 is fan-shaped, one end of the first direction regulator 4 is fixedly connected with the first fixing platform 8, the other end of the first direction regulator is provided with an arc-shaped through hole, one end of a bolt is fixed on the second fixing platform 9, and the other end of the bolt penetrates through the arc-shaped through hole to be slidably connected with the second fixing platform, so that the angle between the first fixing platform 8 and the second fixing platform 9 can be adjusted and fixed randomly within a certain range, and the universality requirement of the lock body installation surface of the tested part is met.
Preferably, the locking ring fixing mechanism is composed of a second direction regulator 5 and a locking ring fixing platform 10, the tested piece is locked on the locking ring fixing platform 10, and the second direction regulator 5 is fixed on the base structure and connected to two sides of the locking ring fixing platform 10 through bolts.
Preferably, the second direction regulator 5 is semicircular, the second direction regulator 5 is fixed by two bolts, one of the two bolts is fixed, the other bolt is provided with a circular arc through hole, one end of the bolt is fixed on the locking ring fixing platform, and the other end of the bolt penetrates through the circular arc through hole, so that the angle of the locking ring fixing platform 10 can be adjusted and fixed freely within a certain range, and the matching between the locking ring mounting surface and the locking mounting surface is realized.
Preferably, the basic mechanism is formed by vertically connecting the first bearing plate 6 and the second bearing plate 11, so that the connection relationship between the mechanisms is ensured, and the transmission of the vibration load is provided.
Compared with the prior art, the invention has the following advantages:
1. the structure realizes the universalization of the lock part vibration test device, and the design and trial production of the test device for each vehicle type/each part are not needed;
2. the load simulation mechanism realizes the adjustment of the load according to the requirement, and changes the condition that the load of the existing device can not be simulated or adjusted.
3. The angle between the lock body fixing mechanism and the lock ring fixing mechanism can be adjusted within a certain range, and once the lock body fixing mechanism and the lock ring fixing mechanism are fixed, the angle cannot be adjusted in the prior art.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or parts are not necessarily drawn to scale;
FIG. 1 is a side view of an apparatus for vibration testing of door lock components of an automobile according to the present invention;
FIG. 2 is a front view of a vibration testing apparatus for door lock and lock components of an automobile according to the present invention;
FIG. 3 is a perspective view of a vibration testing apparatus for door lock type components of an automobile according to the present invention;
in the figure: the loading device comprises a loading screw rod 1, a spiral spring 2, a load simulation fixing platform 3, a first direction regulator 4, a second direction regulator 5, a first bearing plate 6, a guide screw rod 7, a first fixing platform 8, a second fixing platform 9, a locking ring fixing platform 10 and a second bearing plate 11.
Detailed Description
The following embodiments are only used for illustrating the technical solutions of the present invention more clearly, and therefore, the following embodiments are only used as examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the invention pertains.
Example 1
As shown in fig. 1 and 2, a vibration testing device for automobile door cover lock components comprises a load simulation mechanism, a lock body fixing mechanism, a lock ring fixing mechanism and a basic mechanism, wherein the load simulation mechanism, the lock body fixing mechanism and the lock ring fixing mechanism are respectively fixed on the basic mechanism, the load simulation mechanism is fixed at the top end of the basic mechanism, and the lower part of the load simulation mechanism is connected with the lock body fixing mechanism; the load simulation mechanism provides internal force through a compression coil spring, the coil spring and the load simulation fixing platform are fixed with the basic mechanism, the guide screw structures on two sides which are arranged in parallel guarantee the stable action of the internal force, the compression amount of the spring is changed, the spring force is transmitted to the lock body fixing mechanism under the action of the guide screw, and the simulation and adjustment of the load/separation force between the lock and the lock ring are realized; the lock body fixing mechanism is not connected with the foundation structure, is only connected with the load simulation mechanism in a floating way and is used for fixing the lock body, adjusting the angle of the installation surface of the lock body and transmitting the load applied by the load simulation mechanism to the lock body fixing mechanism and the lock body; the locking ring fixing mechanism is fixed at the bottom end of the basic mechanism and used for fixing the locking ring and adjusting the angle of the locking ring mounting surface. The load simulation is completed by a guide rod, a loading rod and a spiral spring, the load can be adjusted and fixed, and the load simulation can achieve good transmission characteristic by matching with a basic mechanism; the lock body and the lock ring fixing mechanism adopt a rotating mechanism, so that the relative installation angle of the lock body and the lock ring can be ensured, and the real-vehicle installation angle of the lock body and the lock ring can be simulated; the connection mode of the load simulation mechanism and the lock body fixing mechanism ensures better transmission of load and real vibration signals.
The load simulation mechanism consists of a loading screw rod 1, a spiral spring 2, a guide screw rod 7 and a load simulation fixed platform 3; the load simulation fixing platform 3 is fixed with the foundation mechanism through bolts, and the guide screw 7 is fixed on the load simulation fixing platform 3 and is in clearance fit with a hole shaft of the lock body fixing mechanism; one end of the loading screw 1 is fixed in a double-nut anti-loose manner, the other end of the loading screw is fixed with the lock body fixing mechanism through threads, and the middle part of the loading screw is in clearance fit with a hole shaft of the load simulation fixing platform 3; the spiral spring 2 is guided and clamped between the load simulation fixing platform 3 and a nut at the top end of the loading screw rod 1 through the loading screw rod 1, and the load applied to the lock body fixing mechanism by the load simulation mechanism is calculated through the compression amount of the spiral spring 2 and the spring stiffness. The load simulation mechanism ensures vibration transmission performance. The load is adjusted by adjusting the compression amount of the spiral spring of the loading rod, and the double-nut anti-loosening structure ensures constant load.
The lock body fixing mechanism consists of a first direction regulator 4, a first fixing platform 8 and a second fixing platform 9, wherein the first direction regulator 4 is connected to two sides of the first fixing platform 8 and the second fixing platform 9 through bolts; the second fixing platform 9 is used for installing the lock body of the tested part, and the first fixing platform 8 is connected with the load simulation mechanism and used for transmitting the load of the load simulation mechanism to the lock body of the tested part.
The locking ring fixing mechanism consists of a second direction regulator 5 and a locking ring fixing platform 10, a tested piece locking ring is arranged on the locking ring fixing platform 10, and the second direction regulator 5 is fixed on a base structure and connected to two sides of the locking ring fixing platform 10 through bolts.
The second direction regulator 5 is semicircular, the second direction regulator 5 is fixed through two bolts, one of the two bolts is fixed, the other bolt is provided with a circular arc through hole, one end of each bolt is fixed on the locking ring fixing platform, and the other end of each bolt penetrates through the circular arc through hole, so that the angle of the locking ring fixing platform 10 can be adjusted and fixed randomly within a certain range, and the locking ring mounting surface is matched with the locking ring mounting surface.
The basic mechanism is formed by vertically connecting a first bearing plate 6 and a second bearing plate 11, so that the connection relationship between the mechanisms is ensured, and the transmission of vibration load is provided.
The load simulation mechanism of the invention realizes the relative stress of the lock body and the lock ring under the guiding action of the guide screw rod by pulling the lock body fixing mechanism or the lock ring fixing mechanism through the spiral spring with certain rigidity and the loading screw rod, simulates the stress condition of a real vehicle and the elasticity provided by the spiral spring, and covers the requirements of all automobile lock parts on the relative stress range. The lock body and the lock ring are basically parallel or have smaller relative angle, so the lock body fixing mechanism and the lock ring fixing mechanism are parallel, and the rotation angle of the lock body fixing mechanism and the lock ring fixing mechanism is adjustable in a certain range, thereby being capable of adapting to the installation requirements of most automobile lock parts. The basic mechanism part is used for connecting and fixing the load simulation mechanism, the lock body fixing mechanism and the lock ring fixing mechanism, has enough rigidity and better transfer characteristic, and can better transfer vibration signals.
The working principle of the vibration test device for the automobile door cover lock part is as follows:
the lock body is installed and fixed on the second fixing platform 9, the installation angle of the lock body relative to a certain plane on the real vehicle is adjusted through the first direction regulator 4, the lock ring is fixed on the lock ring fixing platform 10 in the same method, the relative angle of the second fixing platform 9 and the lock ring fixing platform 10 is adjusted, namely the relative angle of the lock body and the lock ring is adjusted, and the installation and adjustment of the lock body and the lock ring are completed. Then the load simulation fixing platform 3 is installed on the basic mechanism, the lock body fixing mechanism is connected with the fixed load simulation fixing platform 3 through the guide screw 7, the compression amount of the loading screw 1 and the helical spring 2 is adjusted, the load is transmitted to the lock body fixing mechanism, and simulation of the relative load of the lock body and the lock ring is achieved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (7)
1. A vibration test device for automobile door cover lock components is characterized by comprising a load simulation mechanism, a lock body fixing mechanism, a lock ring fixing mechanism and a basic mechanism, wherein the load simulation mechanism, the lock body fixing mechanism and the lock ring fixing mechanism are respectively fixed on the basic mechanism; the load simulation mechanism provides internal force through a compression coil spring, the coil spring and the load simulation fixing platform are fixed with the basic mechanism, the guide screw structures on two sides which are arranged in parallel guarantee the stable action of the internal force, the compression amount of the spring is changed, the spring force is transmitted to the lock body fixing mechanism under the action of the guide screw, and the simulation and adjustment of the load/separation force between the lock and the lock ring are realized; the lock body fixing mechanism is in floating connection with the load simulation mechanism and is used for fixing the lock body; the locking ring fixing mechanism is fixed at the bottom end of the basic mechanism and used for fixing the locking ring and adjusting the angle of the locking ring mounting surface.
2. The vibration test device for the automobile door cover lock component according to claim 1, wherein the load simulation mechanism consists of a loading screw rod (1), a spiral spring (2), a guide screw rod (7) and a load simulation fixing platform (3); the load simulation fixing platform (3) is fixed with the foundation mechanism through bolts, and the guide screw (7) is fixed on the load simulation fixing platform (3) and is in clearance fit with a hole shaft of the lock body fixing mechanism; one end of the loading screw (1) is fixed in a double-nut anti-loose way, the other end of the loading screw is fixed with the lock body fixing mechanism through threads, and the middle part of the loading screw is in clearance fit with a hole shaft of the load simulation fixing platform (3); the spiral spring (2) is guided and clamped between the load simulation fixing platform (3) and a nut at the top end of the loading screw rod (1) through the loading screw rod (1), and the load applied to the lock body fixing mechanism by the load simulation mechanism is calculated through the compression amount and the spring stiffness of the spiral spring (2).
3. The vibration testing device for the automobile door cover lock component according to claim 1, wherein the lock body fixing mechanism is composed of a first direction regulator (4), a first fixing platform (8) and a second fixing platform (9), and the first direction regulator (4) is connected to two sides of the first fixing platform (8) and the second fixing platform (9) through bolts; the second fixing platform (9) is used for installing the lock body of the tested part, and the first fixing platform (8) is connected with the load simulation mechanism to transmit the load of the load simulation mechanism to the lock body of the tested part.
4. The device for testing the vibration of the automobile door cover lock component according to claim 3, wherein the first direction regulator (4) is fan-shaped, one end of the first direction regulator (4) is fixedly connected with the first fixing platform (8), the other end of the first direction regulator is provided with a circular arc-shaped through hole, one end of the bolt is fixed on the second fixing platform (9), and the other end of the bolt penetrates through the circular arc-shaped through hole to be slidably connected with the second fixing platform.
5. The vibration testing device for the door lock and the like of the automobile as claimed in claim 1, wherein the locking ring fixing mechanism is composed of a second direction regulator (5) and a locking ring fixing platform (10), the tested piece is locked on the locking ring fixing platform (10), and the second direction regulator (5) is fixed on the base structure and is connected to both sides of the locking ring fixing platform (10) through bolts.
6. The device for testing the vibration of the door lock and the like of the automobile as claimed in claim 5, wherein the second direction regulator (5) is semicircular, and the second direction regulator (5) is fixed by two bolts, wherein one of the bolts is fixed and the other bolt is provided with a circular arc-shaped through hole, one end of the bolt is fixed on the locking ring fixing platform, and the other end of the bolt passes through the circular arc-shaped through hole.
7. The device for testing the vibration of the door lock component of the automobile as claimed in claim 1, wherein the base mechanism is formed by vertically connecting a first bearing plate (6) and a second bearing plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730122.1A CN111912591A (en) | 2020-07-27 | 2020-07-27 | Vibration test device for automobile door cover lock parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010730122.1A CN111912591A (en) | 2020-07-27 | 2020-07-27 | Vibration test device for automobile door cover lock parts |
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| CN111912591A true CN111912591A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010730122.1A Pending CN111912591A (en) | 2020-07-27 | 2020-07-27 | Vibration test device for automobile door cover lock parts |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117589410A (en) * | 2024-01-18 | 2024-02-23 | 江苏永成汽车零部件股份有限公司 | Automobile door inner decoration plate vibration simulation test system |
| CN117664490A (en) * | 2024-02-01 | 2024-03-08 | 普拉那(天津)汽车部件有限公司 | Automobile engine hood endurance test device |
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| CN210967885U (en) * | 2019-12-06 | 2020-07-10 | 苏州工业园区华西精密机械有限公司 | Angle adjusting device suitable for part trompil processing |
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2020
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| JP2000016307A (en) * | 1998-07-01 | 2000-01-18 | Hino Motors Ltd | Steering holding structure |
| CN102530265A (en) * | 2012-02-15 | 2012-07-04 | 西北工业大学 | Device for testing reliability of cabin door lock for aircrafts |
| CN104019983A (en) * | 2014-06-23 | 2014-09-03 | 西北工业大学 | Reliability test device for aircraft cabin door lock |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117589410A (en) * | 2024-01-18 | 2024-02-23 | 江苏永成汽车零部件股份有限公司 | Automobile door inner decoration plate vibration simulation test system |
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| CN117664490A (en) * | 2024-02-01 | 2024-03-08 | 普拉那(天津)汽车部件有限公司 | Automobile engine hood endurance test device |
| CN117664490B (en) * | 2024-02-01 | 2024-04-05 | 普拉那(天津)汽车部件有限公司 | Automobile engine hood endurance test device |
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Application publication date: 20201110 |