CN207649567U - A kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation - Google Patents
A kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation Download PDFInfo
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- CN207649567U CN207649567U CN201721766206.0U CN201721766206U CN207649567U CN 207649567 U CN207649567 U CN 207649567U CN 201721766206 U CN201721766206 U CN 201721766206U CN 207649567 U CN207649567 U CN 207649567U
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- rear overhang
- table frame
- automobile chassis
- link block
- assembling process
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Abstract
A kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation, this detecting tool, it is measured using assembly tooling on monitor station and by detection device to tooling tolerance after assembly, the detection to parameters such as each part function size manufacture deviation of automobile chassis rear overhang and total member functional dimensions is realized by this tooling, examine the qualification of chassis rear overhang, the deviation Accumulation Phenomenon in the rear overhang assembling process of chassis is simulated simultaneously, cumulative effect influence to assembly after rear overhang assembly functional dimension of the analysis comparison part manufacture deviation in assembling process, obtain contribution degree relationship of each part manufacture deviation to final assembling deviation, to provide guidance for the Tolerance Optimization of part, improve the precision of rear overhang assembly, promote the driving performance of vehicle.
Description
Technical field
The utility model is related to Automobile Chassis Parts to assemble field, more particularly to a kind of automobile chassis rear suspension device of two process
The simulation detection fixture of part deviation accumulation.
Background technology
Currently, domestic automobile manufacturer starts with mostly for the dimension control on chassis from the accuracy of manufacture of parts, with
For the rear suspension system of chassis, be made of rear overhang damper, damping spring pedestal, torsion crossbeam, the parts such as longitudinal swing arm, into
When row dimension control, automobile vendor proposes that design requirement, the i.e. manufacture deviation of part need to the manufacturing tolerance of these parts
It controls in a certain range, can just carry out the assembly of rear overhang, consider that the cost of manufacture, the tolerance value of part can be set sometimes
Count more relaxed.During by these component assemblies with manufacture deviation at rear overhang assembly, deviation accumulation is can not
It avoids, it is overproof that the accumulation of deviation may result in the parameters such as functional dimension of rear overhang assembly after final assembly, and this overproof
Problem can not carry out effective management and control under existence conditions, and also unspecial detection device examines the qualification of assembly part
Property, and deep detection and analysis are carried out to this overproof problem.
It has the following problems：
The manufacture and assembly of automobile bottom diskware are that automobile integrally manufactures an important ring in assembling link.Automobile chassis group
The required device of automobile traveling has been filled, has been made of power train, suspension, steering system, braking system and running gear etc., shape is multiple
Miscellaneous, parts are more, cause chassis easily to occur the deviation accumulation of part in assembling process so that the ginsengs such as chassis assembly functional dimension
Now overproof problem is counted, causes the driving performances such as the control stability, steering behaviour and security performance of automobile to be affected, even
It will appear the problem on chassis and body platform matching difficulty.
Utility model content
The utility model provides a kind of simulation detection fixture of automobile chassis rear suspension device of two process part deviation accumulation, it is intended to
It solves：
1. being realized to each part function size manufacture deviation of automobile chassis rear overhang and total member functional ruler by this tooling
Deviation Accumulation Phenomenon of the part in assembling process is simulated in the detection of the parameters such as very little, examines the qualification of chassis rear overhang.
The simulation of the wherein described deviation accumulation refers to the part containing manufacture deviation being mounted in detecting tool according to practical set sequence
On, the simulation to part deviation accumulation is completed by the simulation of assembling process.
2. analyzing shadow of cumulative effect of the part manufacture deviation in assembling process to rear overhang assembly functional dimension after assembly
It rings, obtains contribution degree relationship of each part manufacture deviation to final assembling deviation, to provide guidance for the Tolerance Optimization of part,
The problems such as improving the precision that rear overhang assembles, promoting the driving performance of vehicle.
To achieve the goals above, the technical solution that the utility model is taken is to provide a kind of automobile chassis rear overhang assembly
The simulation detection fixture of process part deviation accumulation, the simulation detection fixture include that base platform, detection table frame, monitor station are fixed
Position system, rear overhang installation point link block, automobile chassis rear overhang, aided measurement device, the automobile chassis rear overhang includes rear overhang
Damper, damping spring pedestal, torsion crossbeam, longitudinal swing arm, the rear overhang damper, torsion crossbeam, are indulged damping spring pedestal
It is sequentially connected to swing arm and is connect with rear overhang installation point link block, monitor station frame is connected to by rear overhang installation point link block
On frame, there are four the rear overhang installation point link block designs altogether, rear overhang installation point link block is mounted on detection table frame and connects
It connects on arm, the position of the first rear overhang installation point link block, the second rear overhang installation point link block on detection table frame, respectively
It is described with the positional symmetry of third rear overhang installation point link block, the 4th rear overhang installation point link block on detection table frame
Monitor station positioning system is mounted on the detection table frame, and detection table frame is fixedly connected on base platform.
The aided measurement device is three coordinate measuring machine or high-precision optical as a further improvement of the utility model,
Measuring apparatus.
The detection table frame and base platform are fixed by 6 connecting plates as a further improvement of the utility model,
Connection.
As a further improvement of the utility model, the connecting plate by positioning pin and fastening bolt to detecting table frame
It is positioned and is fixed.
The monitor station positioning system includes five locating pieces, the positioning as a further improvement of the utility model,
Block is distributed in the surrounding of detection table frame, is divided into master control and auxiliary control locating piece, and master control locating piece is used to establish the positioning of monitor station
Coordinate system, and using the location coordinate as global coordinate system when detection, auxiliary control locating piece is for ensureing relative positional accuracy.
The locating piece includes locating piece pedestal and positioning bulb, positioning as a further improvement of the utility model,
Bulb is connected on the fast pedestal in status, and locating piece pedestal is fixedly connected with detection table frame, and it is accurate fixed to be obtained by three coordinate machine
Position bulb sphere center position realizes the positioning to monitor station.
The utility model has the beneficial effects that：It detects the functional dimension of rear overhang assembly and constitutes the corresponding part of rear overhang assembly
Dimensional discrepancy, examine chassis rear overhang qualification；Deviation Accumulation Phenomenon of the chassis rear overhang in assembling process is simulated,
Cumulative effect influence to assembly after rear overhang assembly functional dimension of the part manufacture deviation in assembling process is analyzed, obtains each zero
Part manufacture deviation is to the contribution degree relationship of final assembling deviation, to provide guidance, hanging after raising for the Tolerance Optimization of part
The precision matched promotes the driving performance of vehicle.
Description of the drawings
Fig. 1 is the schematic diagram after the detecting tool installation chassis rear overhang of the utility model；
Fig. 2 is the dimensional structure diagram of the detecting tool of the utility model；
Fig. 3 is the frame attachment plate schematic diagram of the utility model；
Fig. 4 is the locating piece schematic diagram of the utility model；
Fig. 5 is the rear overhang installation point link block schematic diagram of the utility model；
Fig. 6 is the chassis rear overhang structure chart of the utility model.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.
As shown in Figures 1 to 6, a kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation, packet
Include base platform 2, detection table frame 3, monitor station positioning system 5, rear overhang installation point link block 6, automobile chassis rear overhang 7, auxiliary
It includes rear overhang damper 71, damping spring pedestal 72, torsion crossbeam 73, longitudinal pendulum to help measuring device, the automobile chassis rear overhang 7
Arm 74, the rear overhang damper 71, damping spring pedestal 72, torsion crossbeam 73, longitudinal swing arm 74 are sequentially connected and pacify with rear overhang
The connection of link block 6 is decorateeed, is connected on detection table frame 3 by rear overhang installation point link block 6, the rear overhang installation point connects
Altogether there are four designs, rear overhang installation point link block 6 is mounted on detection 3 linking arm of table frame connection module 6, the installation of the first rear overhang
The position of point link block 61, the second rear overhang installation point link block 62 on detection table frame 3, is installed with third rear overhang respectively
The positional symmetry of point link block 63, the 4th rear overhang installation point link block 64 on detection table frame 3, the monitor station positioning
System 5 is mounted on 3 on the detection table frame, and detection table frame 3 is fixedly connected on base platform 2
Specifically, the detection table frame 3 is fixedly connected with base platform 1 by 6 connecting plates 4.
Specifically, the connecting plate 4 is positioned and is consolidated to detection table frame 3 by positioning pin 41 and fastening bolt 42
It is fixed.
Specifically, the monitor station positioning system includes five locating pieces 5, the locating piece 5 is distributed in detection table frame 3
Surrounding, be divided into master control and auxiliary control locating piece, master control locating piece is used to establish the location coordinate of monitor station, and is sat with the positioning
Global coordinate system when mark system is as detection, auxiliary control locating piece is for ensureing relative positional accuracy.
Specifically, the locating piece 5 includes locating piece pedestal 51 and positioning bulb 52, positioning bulb 52 is connected to status
On fast pedestal 51, locating piece pedestal 51 is fixedly connected with detection table frame 3, and the precision positioning bulb centre of sphere is obtained by three coordinate machine
Realize the positioning to monitor station in position.
It is using assembly assembly tooling on monitor station and public to the tooling after assembly by detection device by this detecting tool
Difference measures, and is realized to 7 each part function size manufacture deviation of automobile chassis rear overhang and total member function by this tooling
The detection of the parameters such as size is examined the qualification of chassis rear overhang 7, while being accumulated to deviation of the chassis rear overhang 7 in assembling process
Phenomenon is simulated, and cumulative effect of the analysis comparison part manufacture deviation in assembling process is to 7 assembly function of rear overhang after assembly
The influence of size obtains contribution degree relationship of each part manufacture deviation to final assembling deviation, to the Tolerance Optimization for part
Guidance is provided, the precision of rear overhang assembly is improved, promotes the driving performance of vehicle.
In order to allow the utility model it can be readily appreciated that having used some Directional terms in this specification.It should be noted that
The Directional terms being previously mentioned in this specification, such as "upper", "lower", "left", "right", "front", "rear" etc. are refer to the attached drawing
Direction, X positive directions are the right side in figure, and X negative directions are a left side, and before Y positive directions are, after the negative direction of Y is, Z positive directions are upper, Z losing sides
To under.The Directional terms used are to illustrate and understand the utility model, rather than to limit the guarantor of the utility model
Protect range.
Referring to Fig. 2, the base platform 2 of detecting tool 1 is rectangular configuration, and the length direction for defining base platform 2 is enlightening card
The X-direction of your coordinate system, width direction are Y-direction, and the vertical direction of vertical feet platform 2 is Z-direction.X-direction is defined
For longitudinal direction, Y-direction is defined as transverse direction, and Z-direction is defined as vertically, and the length and width of base platform 2 is 1 to 3 meter.In pedestal
Detection table frame 3 is placed on platform 2, frame 3 is fixed by frame attachment plate 4 and base platform 2, is provided on frame 3 multiple
Locating piece 5 constitutes the positioning system of monitor station, including locating piece pedestal 51 and positioning bulb 52, monitor station positioning system include 2
To 5 locating pieces 5（Referring to Fig. 2）, show that the distribution example of 4 locating pieces 5,2 master control locating pieces are located at monitor station in figure
Longitudinal direction and connecting plate upper surface be used for creating measuring coordinate system jointly, two auxiliary control locating pieces are then used for ensureing that frame is opposite
The pedestal 51 of positional precision, locating piece 5 connect and fixes with detection table frame 3.Correspond to chassis rear overhang on detection table frame 3
Each installation site is mounted with rear overhang installation point link block 6 on 7, and in the present embodiment, 4 installation points are shared on chassis rear overhang 7,
Therefore 4 rear overhang installation point link block 61-64 are provided on detection table frame 3, wherein 61,62 structures with 63,64 respectively
Symmetrically, Fig. 5 has carried out structural representation to rear overhang installation point link block 61,62.The chassis rear overhang 7 detected is filled by multiple parts
With into specifically including rear overhang damper 71, damping spring pedestal 72 reverses crossbeam 73, longitudinal swing arm 74.Carry out deviation accumulation
When simulation, above-mentioned part is in turn mounted in detecting tool 1 according to assembled in situ technological process and corresponding specification, uses auxiliary
The parameters such as the total member functional dimension of rear overhang that measuring apparatus completes each accessory size deviation and assembly are detected, chassis
Schematic diagram of the rear overhang 7 after the completion of being assembled in detecting tool 1 is as shown in Figure 1.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the scope of protection of the utility model.
Claims (6)
1. a kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation, which is characterized in that the simulation is examined
Survey tooling include base platform, detection table frame, monitor station positioning system, rear overhang installation point link block, automobile chassis rear overhang,
Aided measurement device, the automobile chassis rear overhang include rear overhang damper, damping spring pedestal, reverse crossbeam, longitudinal swing arm,
Middle rear overhang damper, damping spring pedestal, torsion crossbeam, longitudinal swing arm are sequentially connected and connect with rear overhang installation point link block
It connects, is connected on detection table frame by rear overhang installation point link block, the rear overhang installation point link block is designed with four altogether
A, rear overhang installation point link block is mounted on monitor station frame connection arms, the first rear overhang installation point link block, the second rear overhang
Position of the installation point link block on detection table frame, is installed with third rear overhang installation point link block, the 4th rear overhang respectively
Positional symmetry of the point link block on detection table frame, the monitor station positioning system are mounted on the detection table frame,
Detection table frame is fixedly connected on base platform.
2. a kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation as described in claim 1,
It is characterized in that, the aided measurement device is three coordinate measuring machine or high-precision optical measuring apparatus.
3. a kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation as described in claim 1,
It is characterized in that, the detection table frame is fixedly connected with base platform by 6 connecting plates.
4. a kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation as described in claim 1,
It is characterized in that, the connecting plate is positioned and fixed to detection table frame by positioning pin and fastening bolt.
5. a kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation as described in claim 1,
It being characterized in that, the monitor station positioning system includes five locating pieces, and the locating piece is distributed in the surrounding of detection table frame, point
For master control and auxiliary control locating piece, master control locating piece is used to establish the location coordinate of monitor station, and using the location coordinate as
Global coordinate system when detection, auxiliary control locating piece is for ensureing relative positional accuracy.
6. a kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation as claimed in claim 5,
It is characterized in that, the locating piece includes locating piece pedestal and positioning bulb, and positioning bulb is connected on the fast pedestal in status, positions
Block pedestal is fixedly connected with detection table frame, and obtaining precision positioning bulb sphere center position by three coordinate machine realizes to monitor station
Positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766206.0U CN207649567U (en) | 2017-12-15 | 2017-12-15 | A kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721766206.0U CN207649567U (en) | 2017-12-15 | 2017-12-15 | A kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation |
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| Publication Number | Publication Date |
|---|---|
| CN207649567U true CN207649567U (en) | 2018-07-24 |
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| CN201721766206.0U Active CN207649567U (en) | 2017-12-15 | 2017-12-15 | A kind of simulation detection fixture of automobile chassis rear overhang assembling process part deviation accumulation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132033A (en) * | 2017-12-15 | 2018-06-08 | 上汽通用五菱汽车股份有限公司 | A kind of automobile chassis rear overhang component assembly simulation detection fixture and determination method |
| CN111435547A (en) * | 2019-01-10 | 2020-07-21 | 本田技研工业株式会社 | Product evaluation result display system |
-
2017
- 2017-12-15 CN CN201721766206.0U patent/CN207649567U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108132033A (en) * | 2017-12-15 | 2018-06-08 | 上汽通用五菱汽车股份有限公司 | A kind of automobile chassis rear overhang component assembly simulation detection fixture and determination method |
| CN108132033B (en) * | 2017-12-15 | 2024-01-05 | 上汽通用五菱汽车股份有限公司 | Automobile chassis rear suspension part assembly simulation detection tool and detection analysis method |
| CN111435547A (en) * | 2019-01-10 | 2020-07-21 | 本田技研工业株式会社 | Product evaluation result display system |
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