CN112834354A - Tool and method for testing static strength of car handle bracket assembly - Google Patents
Tool and method for testing static strength of car handle bracket assembly Download PDFInfo
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- CN112834354A CN112834354A CN202011607252.2A CN202011607252A CN112834354A CN 112834354 A CN112834354 A CN 112834354A CN 202011607252 A CN202011607252 A CN 202011607252A CN 112834354 A CN112834354 A CN 112834354A
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- handle
- assembly
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- 238000012360 testing method Methods 0.000 title claims abstract description 37
- 230000003068 static effect Effects 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 10
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 238000004088 simulation Methods 0.000 claims abstract description 26
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000010998 test method Methods 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000002474 experimental method Methods 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to a static strength test tool and a static strength test method for a car handle bracket assembly, wherein the test tool comprises a reference plate and a test base assembly arranged on the reference plate, and a handle assembly mounting back plate is arranged on the test base assembly; install steel simulation handle on the handle assembly installation backplate, steel simulation handle articulates even has articulated adapter, and articulated adapter articulates even has the cylinder. The invention ensures the validity of test data; the structure of the handle and the use condition of the handle are completely simulated; the test process is simple, and the test result is accurate; the simulation experiment achieves the actual use condition as much as possible, so that the experimental result has reliability.
Description
Technical Field
The invention relates to an experimental inspection tool, in particular to a tool and a method for testing the static strength of a car handle bracket assembly.
Background
The passenger car is provided with a handle used by passengers on the top longitudinal beams at the two sides of the copilot side and the rear row; the handle is fixed on a steel handle bracket assembly through bolts; when necessary, the whole body weight of a passenger can be hung on the handle, so that the handle bracket assembly must have enough static strength, otherwise, the safety guarantee of the passenger when the passenger takes the vehicle is difficult to guarantee, and therefore, a strength experiment needs to be carried out on the handle bracket assembly.
Disclosure of Invention
The invention provides a tool and a method for testing the static strength of a handle bracket assembly in a car, aiming at meeting the requirement of performing a strength test on the handle bracket assembly in the car.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
a static strength test tool for a car handle bracket assembly comprises a reference plate and a test base assembly arranged on the reference plate, wherein a handle assembly mounting back plate is arranged on the test base assembly; install steel simulation handle on the handle assembly installation backplate, steel simulation handle articulates even has articulated adapter, and articulated adapter articulates even has the cylinder.
The test base assembly comprises a main guide frame which is vertically matched with the mounting back plate of the handle assembly in a sliding manner; the motor is installed on the upper portion of the main guide frame, the motor is connected with a lead screw installed on the main guide frame through a bearing, and the lead screw is in threaded connection with the handle assembly installation back plate.
A handle is arranged on the left side of the cylinder body of the cylinder; the handle is provided with a dynamometer.
An extension rod is welded at the lower end of the handle, and a main sliding block is welded at the lower end of the extension rod; the base plate is provided with an arc-shaped groove for slidably mounting the main sliding block, and the base plate is hinged with a hydraulic cylinder hinged with the main sliding block.
The steel simulation handle is made of die steel and is quenched, so that the steel simulation handle has enough rigidity and small elastic deformation.
The material of the hinge adapter is 40# steel.
A method for testing the static strength of a car handle bracket assembly comprises the following specific steps:
the method comprises the following steps that firstly, a motor drives a lead screw to rotate so as to drive a mounting back plate of a handle assembly and a steel simulation handle to lift; and then the transmission of the force applied by the cylinder enables the steel simulation handle to deform, and whether the static strength of the handle bracket assembly meets the requirement or not is checked according to the reference standard value of the deformation displacement.
And secondly, pushing and pulling the main sliding block through a hydraulic cylinder to enable the cylinder to swing in the front and back directions, enabling the steel simulation handle to deform through the transmission of force applied by the rear cylinder, and checking whether the static strength of the handle support assembly meets the requirement or not according to the size reference standard value of the deformation displacement.
The invention has the beneficial effects that:
the invention is relatively convenient to implement and has the following four advantages:
1. the strength and rigidity of the steel simulation handle manufactured by adopting the die steel and subjected to heat treatment are far greater than those of the handle bracket assembly, the deformation of the steel simulation handle during the test is equivalent to that of the handle bracket assembly and can be ignored, and the validity of test data is ensured;
2. the key test tool is simple in structure and completely simulates the structure of the handle and the use condition of the handle;
3. the test installation and the test process are simple, and the test result is accurate;
4. the experiment condition when different angles are applied with force to the handle can be simulated, the simulation experiment can achieve the actual use condition as far as possible, and the experiment result has reliability.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a perspective view of the present invention.
In the figure: 1. the handle assembly is provided with a back plate; 2. a main guide frame; 3. a motor; 4. a lead screw; 5. a steel-made simulation handle; 6. the adapter is hinged; 7. a cylinder; 8. a reference plate; 9. a hydraulic cylinder; 10. a main slider; 11. an extension rod.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be described more clearly and more completely with reference to the drawings in the following embodiments, and it is understood that the described embodiments are only a part of the present invention, rather than all of the present invention, and based on the embodiments, other embodiments obtained by those skilled in the art without inventive exercise are within the protection scope of the present invention.
As shown in fig. 1 to 3, a static strength test tool for a car handle bracket assembly comprises a reference plate 8 and a test base assembly mounted on the reference plate 8, wherein a handle assembly mounting back plate 1 is mounted on the test base assembly; install steel simulation handle 5 on the handle assembly installation backplate 1, steel simulation handle 5 articulates even has articulated adapter 6, and articulated adapter 6 articulates even has cylinder 7.
The test base assembly comprises a main guide frame 2 which is vertically matched with the handle assembly mounting back plate 1 in a sliding manner; the motor 3 is installed on the upper portion of the main guide frame 2, the motor 3 is connected with a lead screw 4 installed on the main guide frame 2 through a bearing, and the lead screw 4 is in threaded connection with the handle assembly installation back plate 1.
A handle 7a is arranged on the left side of the cylinder body of the cylinder 7; the handle 7a is provided with a dynamometer 7 b.
An extension rod 11 is welded at the lower end of the handle 7a, and a main sliding block 10 is welded at the lower end of the extension rod 11; an arc-shaped groove 8a for installing a main sliding block 10 in a sliding mode is formed in the reference plate 8, and a hydraulic cylinder 9 connected with the main sliding block 10 in a hinged mode is installed on the reference plate 8 in a hinged mode.
The steel simulation handle is made of die steel and is quenched, so that the steel simulation handle has enough rigidity and small elastic deformation.
The material of the hinge adapter is 40# steel.
A method for testing the static strength of a car handle bracket assembly comprises the following specific steps:
firstly, a motor 3 drives a screw rod 4 to rotate so as to drive a handle assembly mounting back plate 1 and a steel simulation handle 5 to lift; and then the transmission of force applied by the air cylinder 7 enables the steel simulation handle 5 to generate deformation, and whether the static strength of the handle bracket assembly meets the requirement or not is checked according to the reference standard value of the deformation displacement. The adjustment of the tension deflection angle in the vertical direction is realized, and a specific experimental result is obtained.
And secondly, pushing and pulling the main sliding block 10 through the hydraulic cylinder 9, enabling the cylinder 7 to swing in the front and back directions, enabling the steel simulation handle 5 to deform through the transmission of force exerted by the rear cylinder 7, and checking whether the static strength of the handle support assembly meets the requirement or not according to the reference standard value of the deformation displacement. Namely, the adjustment of the tension deflection angle in the front and back directions is realized, and the specific experimental result is obtained.
The two steps can simulate the situation that a person holds the handle under the same position.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a car handle support assembly static strength test frock which characterized in that: the test device comprises a reference plate (8) and a test base assembly arranged on the reference plate (8), wherein a handle assembly mounting back plate (1) is arranged on the test base assembly; install steel simulation handle (5) on handle assembly installation backplate (1), steel simulation handle (5) are articulated to be linked with articulated adapter (6), and articulated adapter (6) are articulated to be linked with cylinder (7).
2. The tool for testing the static strength of the car handle bracket assembly according to claim 1, characterized in that: the test base assembly comprises a main guide frame (2) which is vertically matched with the handle assembly mounting back plate (1) in a sliding manner; the motor (3) is installed on the upper portion of the main guide frame (2), the motor (3) is connected with a lead screw (4) which is installed on the main guide frame (2) through a bearing, and the lead screw (4) is in threaded connection with the handle assembly installation back plate (1).
3. The tool for testing the static strength of the car handle bracket assembly according to claim 1, characterized in that: a handle (7a) is arranged on the left side of the cylinder body of the cylinder (7); the handle (7a) is provided with a dynamometer (7 b).
4. The tool for testing the static strength of the car handle bracket assembly according to claim 3, characterized in that: an extension rod (11) is welded at the lower end of the handle (7a), and a main sliding block (10) is welded at the lower end of the extension rod (11); an arc-shaped groove (8a) for installing the main sliding block (10) in a sliding mode is formed in the reference plate (8), and a hydraulic cylinder (9) connected with the main sliding block (10) in a hinged mode is installed on the reference plate (8) in a hinged mode.
5. A car handle bracket assembly static strength test method, which utilizes the car handle bracket assembly static strength test tool of any one of claims 1-4, and is characterized in that: the method comprises the following specific steps:
firstly, a motor (3) drives a screw rod (4) to rotate to drive a handle assembly mounting backboard (1) and a steel simulation handle (5) to lift; then, the cylinder (7) applies force transmission to enable the steel simulation handle (5) to deform, and whether the static strength of the handle support assembly meets the requirement or not is checked according to the reference standard value of the deformation displacement;
and secondly, pushing and pulling the main sliding block (10) through the hydraulic cylinder (9) to enable the cylinder (7) to swing in the front and back directions, enabling the steel simulation handle (5) to deform through the transmission of force exerted by the rear cylinder (7), and checking whether the static strength of the handle support assembly meets the requirement or not according to the reference standard value of the deformation displacement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607252.2A CN112834354A (en) | 2020-12-30 | 2020-12-30 | Tool and method for testing static strength of car handle bracket assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011607252.2A CN112834354A (en) | 2020-12-30 | 2020-12-30 | Tool and method for testing static strength of car handle bracket assembly |
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| Publication Number | Publication Date |
|---|---|
| CN112834354A true CN112834354A (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011607252.2A Pending CN112834354A (en) | 2020-12-30 | 2020-12-30 | Tool and method for testing static strength of car handle bracket assembly |
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| Country | Link |
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| CN (1) | CN112834354A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914430A (en) * | 2012-11-17 | 2013-02-06 | 无锡忻润汽车安全系统有限公司 | Door lock handle tension testing device |
| CN203719912U (en) * | 2013-12-26 | 2014-07-16 | 芜湖中瑞汽车零部件有限公司 | Testing tool used for automobile subframe |
| CN108827657A (en) * | 2018-08-03 | 2018-11-16 | 合肥百川自动化科技有限公司 | Durable test stand is opened in a kind of arrangements for automotive doors |
| KR20180123888A (en) * | 2017-05-10 | 2018-11-20 | 주식회사 서연이화 | Method and apparatus for testing durability of door trim grip handle |
| CN208283177U (en) * | 2018-05-28 | 2018-12-25 | 上海住总工程材料有限公司 | UHPC test specimen uniaxial tensile test high-accuracy clamp |
| CN208420544U (en) * | 2018-03-12 | 2019-01-22 | 上汽通用五菱汽车股份有限公司 | Automobile handle strength test device and system |
-
2020
- 2020-12-30 CN CN202011607252.2A patent/CN112834354A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102914430A (en) * | 2012-11-17 | 2013-02-06 | 无锡忻润汽车安全系统有限公司 | Door lock handle tension testing device |
| CN203719912U (en) * | 2013-12-26 | 2014-07-16 | 芜湖中瑞汽车零部件有限公司 | Testing tool used for automobile subframe |
| KR20180123888A (en) * | 2017-05-10 | 2018-11-20 | 주식회사 서연이화 | Method and apparatus for testing durability of door trim grip handle |
| CN208420544U (en) * | 2018-03-12 | 2019-01-22 | 上汽通用五菱汽车股份有限公司 | Automobile handle strength test device and system |
| CN208283177U (en) * | 2018-05-28 | 2018-12-25 | 上海住总工程材料有限公司 | UHPC test specimen uniaxial tensile test high-accuracy clamp |
| CN108827657A (en) * | 2018-08-03 | 2018-11-16 | 合肥百川自动化科技有限公司 | Durable test stand is opened in a kind of arrangements for automotive doors |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210525 |
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| RJ01 | Rejection of invention patent application after publication |