CN207946228U - A kind of test fixture of vehicle body attachment point dynamic stiffness - Google Patents
A kind of test fixture of vehicle body attachment point dynamic stiffness Download PDFInfo
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- CN207946228U CN207946228U CN201820149989.6U CN201820149989U CN207946228U CN 207946228 U CN207946228 U CN 207946228U CN 201820149989 U CN201820149989 U CN 201820149989U CN 207946228 U CN207946228 U CN 207946228U
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Abstract
The utility model is suitable for vehicle body attachment point test fixture field, provide a kind of test fixture of vehicle body attachment point dynamic stiffness, the test fixture includes the percussion block with through-hole, it is arranged on the percussion block and across the screw rod for tapping the through-hole on block, it is arranged at the screw rod both ends and carries the first lengthening block and the second lengthening block of internal thread hole, it is arranged on the screw rod for fixing the described first the first nut and the second nut for lengthening block and the second lengthening block, it is arranged and is used for the hold-doun nut of standing screw in described screw rod one end, and the third nut that standing screw is used in the screw rod other end is set, the screw rod runs through the percussion block, described first lengthens block, described second lengthens block, first nut, second nut and the third nut.Solving vehicle body attachment point test fixture does not have versatility, and cannot be guaranteed the technical problem of firm fixation.
Description
Technical field
The utility model belongs to vehicle body attachment point test fixture field more particularly to a kind of survey of vehicle body attachment point dynamic stiffness
Trial work fills.
Background technology
Existing test method is to make one and the isometric cuboid sleeve of tested vehicle body attachment point（L）, it is stuck in
The centre of vehicle body attachment point is installed with bolt and screw rod, sensor is then installed on central point, percussion test is carried out, exists
Some technical problems, if length is fixed, each vehicle, each measuring point need to customize, and without versatility, ensure without fixing device
The position of sleeve causes to fix loosely.
Invention content
The purpose of this utility model is to provide a kind of test fixtures of vehicle body attachment point dynamic stiffness, it is intended to solve vehicle body and connect
Attachment test fixture does not have versatility, and cannot be guaranteed the technical problem of firm fixation.
The utility model is realized in this way a kind of test fixture of vehicle body attachment point dynamic stiffness, the test fixture packet
The percussion block with through-hole is included, be arranged on the percussion block and across the screw rod for tapping the through-hole on block, is arranged in institute
It states screw rod both ends and carries the first of internal thread hole and lengthen block and the second lengthening block, be arranged on the screw rod described in being used to fix
First lengthens the first nut and the second nut of block and the second lengthening block, and setting is used for standing screw in described screw rod one end
Hold-doun nut, and be arranged the screw rod other end be used for standing screw third nut, the screw rod run through the percussion
Block, described first lengthen block, the second lengthening block, first nut, second nut and the third nut.
The further technical solution of the utility model is：The through-hole for tapping block is provided at both ends with recessed portion, described to strike
The through-hole for hitting block is internal thread through hole.
The further technical solution of the utility model is：One end of the first lengthening block is provided with the cooperation percussion block
On recessed portion protrusion.
The further technical solution of the utility model is：The first lengthening block is identical as the second lengthening block structure.
The further technical solution of the utility model is：The screw rod is the cooperation through-hole tapped on block, with interior
Described the first of threaded hole lengthens block and the second lengthening block, first nut, second nut, the hold-doun nut
And the full flight screw of the third nut.
The further technical solution of the utility model is：The first lengthening block and the second lengthening block can be several
It is a.
The utility model has the beneficial effects that：Tooling total length can be adjusted by the first lengthening block and the second lengthening block,
To meet the needs of different automobile types, a set of more vehicles of tooling use, and versatility is good, and first lengthens block, the second lengthening block and the first spiral shell
Female, the second nut cooperation firmly can tap block by locking.
Description of the drawings
Fig. 1 is a kind of explosive view of the test fixture for vehicle body attachment point dynamic stiffness that the utility model embodiment provides；
Fig. 2 is a kind of use figure of the test fixture for vehicle body attachment point dynamic stiffness that the utility model embodiment provides.
Specific implementation mode
Reference numeral：1- taps block 2- screw rods 3- first and lengthens second lengthening block the first nuts of 5- of block 4- 6- second
Nut 7- hold-doun nut 8- third nut 9- recessed portion 10- protrusion 11- vehicle body attachment points.
Fig. 1 shows a kind of test fixture of vehicle body attachment point dynamic stiffness provided by the utility model, the test fixture
Include the percussion block 1 with through-hole, is arranged on the percussion block 1 and passes through the screw rod 2 of the through-hole on the percussion block 1, if
It sets at 2 both ends of the screw rod and the first lengthening block 3 and second with internal thread hole lengthens block 4, setting is used on the screw rod 2
The first nut 5 and the second nut 6 of block 3 and the second lengthening block 4 are lengthened in fixation described first, is arranged in the screw rod 2
One end is used for the hold-doun nut 7 of standing screw 2, and the third nut 8 that standing screw 2 is used in 2 other end of the screw rod is arranged,
The screw rod 2 lengthens block 3, the second lengthening block 4, first nut 5, described the through the percussions block 1, described first
Two nuts 6 and the third nut 8.
The through-hole for tapping block 1 is provided at both ends with recessed portion 9, and the through-hole for tapping block 1 is internal thread through hole.
One end of the first lengthening block 3, which is provided with, coordinates the protrusion 10 for tapping the recessed portion 9 on 1 piece.
The first lengthening block 3 is identical as second lengthening 4 structure of block.
The first lengthening block 3 and institute of the screw rod 2 to coordinate the through-hole tapped on block 1, with internal thread hole
State the full spiral shell of the second lengthening block 4, first nut 5, second nut 6, the hold-doun nut 7 and the third nut 8
Line screw rod.
The first lengthening block 3 and the second lengthening block 4 can be several.
Tap the screw-thread fit of the internal thread and screw rod 2 of 1 through-hole band of block；First lengthens the interior spiral shell that block 3, second lengthens block 4
The screw-thread fit of line and screw rod 2；The screw thread of screw rod 2 is matched with the internal thread for tapping the lengthening lengthening block 4 of block 3 and second of block 1, first
It closing, being fixed will hit against the lengthening lengthening block 4 of block 3 and second of block 1, first by the first nut 5 and the second nut 6, logical
It crosses hold-doun nut 7 and third nut 8 and carries out tooling and be fixed on trailing arm vehicle body attachment point 11, test fixture is to pass through increase and decrease the
One, which lengthens block 3 and second, lengthens 4 quantity of block（Special circumstances can also increase gasket）Mode change test fixture length, with meet
Different automobile types, the demand of different measuring points；A set of test fixture thus may be implemented and use all vehicles, greatly reduce test work
Equipment Part quantity, by tapping, block 1, first lengthens the lengthening block 4 of block 3, second and the screw-thread fit of screw rod 2 reaches structure locking
Purpose improves the reliability of test.
Tooling total length can be adjusted by lengthening block 4 by the first lengthening block 3 and second, to meet the needs of different automobile types,
A set of more vehicles of tooling use, and versatility is good, and first, which lengthens block 3, second, lengthens block 4 and the first nut 5, the cooperation of the second nut 6, energy
Enough firmly lockings tap block 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (6)
1. a kind of test fixture of vehicle body attachment point dynamic stiffness, it is characterised in that：The test fixture includes striking with through-hole
Block is hit, be arranged on the percussion block and across the screw rod for tapping the through-hole on block, is arranged in the screw rod both ends and band
Have internal thread hole first lengthens block and second lengthens block, and setting lengthens block and institute on the screw rod for fixing described first
The first nut and the second nut for stating the second lengthening block are arranged and are used for the hold-doun nut of standing screw in described screw rod one end, and
The third nut that standing screw is used in the screw rod other end is set, and the screw rod adds through the percussion block, described first
Long block, described second lengthen block, first nut, second nut and the third nut.
2. test fixture according to claim 1, which is characterized in that the through-hole for tapping block is provided at both ends with recess
Portion, the through-hole for tapping block are internal thread through hole.
3. test fixture according to claim 2, which is characterized in that one end of the first lengthening block is provided with cooperation institute
State the protrusion for tapping the recessed portion on block.
4. test fixture according to claim 3, which is characterized in that described first lengthens block lengthens agllutination with described second
Structure is identical.
5. test fixture according to claim 4, which is characterized in that the screw rod, which is that cooperation is described, taps leading on block
Hole, described first with internal thread hole lengthen block and the second lengthening block, first nut, second nut, institute
State the full flight screw of hold-doun nut and the third nut.
6. test fixture according to claim 5, which is characterized in that the first lengthening block and the second lengthening block can
For several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149989.6U CN207946228U (en) | 2018-01-29 | 2018-01-29 | A kind of test fixture of vehicle body attachment point dynamic stiffness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820149989.6U CN207946228U (en) | 2018-01-29 | 2018-01-29 | A kind of test fixture of vehicle body attachment point dynamic stiffness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207946228U true CN207946228U (en) | 2018-10-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820149989.6U Active CN207946228U (en) | 2018-01-29 | 2018-01-29 | A kind of test fixture of vehicle body attachment point dynamic stiffness |
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| Country | Link |
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| CN (1) | CN207946228U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414233A (en) * | 2018-01-29 | 2018-08-17 | 上汽通用五菱汽车股份有限公司 | A kind of test fixture of vehicle body attachment point dynamic stiffness |
-
2018
- 2018-01-29 CN CN201820149989.6U patent/CN207946228U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414233A (en) * | 2018-01-29 | 2018-08-17 | 上汽通用五菱汽车股份有限公司 | A kind of test fixture of vehicle body attachment point dynamic stiffness |
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