CN110345858A - A kind of car crass position measurement instrument - Google Patents
A kind of car crass position measurement instrument Download PDFInfo
- Publication number
- CN110345858A CN110345858A CN201910654141.8A CN201910654141A CN110345858A CN 110345858 A CN110345858 A CN 110345858A CN 201910654141 A CN201910654141 A CN 201910654141A CN 110345858 A CN110345858 A CN 110345858A
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- square frame
- measuring block
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- plate
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- 238000005259 measurement Methods 0.000 title claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
Abstract
The invention discloses a kind of car crass position measurement instruments, more particularly to technical field of automobile detection, including square frame, it is provided on the square frame and moves left and right bracket, X-axis magnetoresistive shift sensor is provided on the upper transverse frame of the square frame, described move left and right is provided with Z axis magnetoresistive shift sensor on bracket, it is described move left and right to be provided on bracket move up and down holder, described move up and down is provided with Y-axis laser displacement sensor interconnected on holder.The present invention is by being provided with pulley mechanism, to derive the moving range of measuring instrument by the moving range of measuring block, and the moving range of measuring block is greater than the moving range of measuring instrument, therefore staff can be made to be more easier to see data clearly, and the two sides of bottom plate and square frame are equipped with scale trace, it can be measured for the moving range of measuring block and provide foundation, to improve the practicability of device.
Description
Technical field
The present invention relates to technical field of automobile detection, it is more particularly related to which a kind of car crass is surveyed with position
Measure instrument.
Background technique
NCAP is generally initiated by department, district government or automobile industry association, selects the situation of selling well vehicle of this area and in market
The vehicle of upper stochastic buying carries out the test of gainer, and test result is announced to consumer.NCAP is according to factors such as quality
Vehicle is divided into different ranks, only same level vehicle can just carry out the comparison of test result.Because NCAP is tested
As a result directly consumer is disclosed, influences whether the brand image of vehicle, and then influence the buying behavior of consumer, so
NCAP project can push automobile vendor to proactively improve Car design, improve vehicle safety.
The patent of 202770404 U of patent application publication CN discloses a kind of car crass position measurement instrument, including
Square frame is equipped on the square frame and moves left and right bracket；X-axis magnetic resistance is installed on the upper transverse frame of the square frame
Displacement sensor, described move left and right are equipped with Z axis magnetoresistive shift sensor on bracket, described move left and right is equipped on bracket
Move up and down holder；Described move up and down is also equipped with Y-axis laser displacement sensor and laser cross light interconnected on holder
Mark instrument.
But still there is more disadvantage in practice in above-mentioned technical proposal, such as shift in position amplitude when measuring
When smaller, reading can be very inconvenient.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of car crass and is measured with position
Instrument to derive the moving range of measuring instrument by the moving range of measuring block, and is surveyed by being provided with pulley mechanism
The moving range of gauge block is greater than the moving range of measuring instrument, therefore staff can be made to be more easier to see clearly data, and bottom
The two sides of plate and square frame are equipped with scale trace, can measure for the moving range of measuring block and provide foundation, thus
Improve the practicability of device.
To achieve the above object, the invention provides the following technical scheme: a kind of car crass position measurement instrument, including side
Shape frame is provided on the square frame and moves left and right bracket, X-axis magnetic resistance position is provided on the upper transverse frame of the square frame
Displacement sensor, described move left and right are provided with Z axis magnetoresistive shift sensor on bracket, described move left and right is provided on bracket
Lower mobile holder, described move up and down are provided with Y-axis laser displacement sensor interconnected on holder, Y-axis laser position
Displacement sensor side is provided with laser cross cursor instrument, and the square frame side is provided with pulley mechanism；
The pulley mechanism includes bottom plate, and the side of square frame is arranged in the bottom plate, and the bottom plate both ends are provided with one
Group support plate, support plate described in every group includes the first connecting plate and the second connecting plate, and first connecting plate is connect with second
Plate is separately positioned on the two sides of bottom plate one end, is provided with the first slide plate between two first connecting plates, and two described second
It is provided with the second slide plate between connecting plate, first slide plate and the second slide plate opposite side are provided with sliding slot, and described first
Movable pulley is provided between slide plate and the second slide plate, the movable pulley two sides are provided with rotation axis, the rotation axis and sliding slot
Match, is provided with card slot with the two sides of square frame at the top of the bottom plate, both ends are provided with first at the top of the bottom plate
Measuring block, the two sides of the square frame are provided with the second measuring block, first measuring block and the second measuring block with card
Slot matches, it is described move left and right bracket side and move up and down holder two sides be provided with fixed pulley, the fixed pulley and dynamic
Pulley side is provided with the first hook, and first measuring block and the second measuring block side are provided with the second hook, described
Backplate surface and square frame two sides are provided with scale trace.
In a preferred embodiment, shifting chute, set in the middle part of the rotation axis are provided in the middle part of the sliding slot inner cavity
Equipped with rotating wheel, bearing is provided between the rotation hole and rotation axis, it is living by bearing between the rotating wheel and rotation axis
Dynamic connection.
In a preferred embodiment, the rotating wheel matches with shifting chute, and the rotating wheel is by stainless steel
Material is made.
In a preferred embodiment, the distance between first slide plate and the second slide plate are greater than the thickness of movable pulley
Degree.
In a preferred embodiment, the one end of first measuring block with the second measuring block far from the second hook is equal
It is provided with handle, mating between first hook and the second hook to be provided with traction rope, the traction rope is by fibrous material system
At.
In a preferred embodiment, the precision of the Y-axis laser displacement sensor is ± 0.5 millimeter, the Y-axis
The repeatability of laser displacement sensor is ± 0.1 millimeter, and the precision of the X-axis magnetoresistive shift sensor is ± 20um/m, the Z
The precision of axis magnetoresistive shift sensor is ± 20um/m.
In a preferred embodiment, the square frame is made of anti-buckling aluminum alloy materials, the square box
Frame bottom both ends are provided with loading plate.
In a preferred embodiment, card slot inner cavity two sides are provided with locating slot, first measuring block
It is provided with fixture block with the second measuring block bottom, the fixture block two sides are provided with locating piece, and the fixture block matches with card slot, institute
Locating slot is stated to match with locating piece.
Technical effect and advantage of the invention:
1, the present invention is by being provided with pulley mechanism, to derive the movement of measuring instrument by the moving range of measuring block
Range, and the moving range of measuring block is greater than the moving range of measuring instrument, therefore staff can be made to be more easier to see clearly
Data, and the two sides of bottom plate and square frame are equipped with scale trace, can measure and provide for the moving range of measuring block
Foundation, to improve the practicability of device；
2, the present invention is conducive to when movable pulley moves between the first slide plate and the second slide plate, moves by being provided with rotating wheel
The rotation axis of pulley two sides will drive rotating wheel and move in shifting chute, pass through rotating wheel, it is possible to reduce rotation axis and sliding slot it
Between frictional force, reduce movable pulley it is mobile when resistance, the labor intensity of survey crew is saved, thus when improving device measurement
Efficiency.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Fig. 2 is that Fig. 1 of the invention plants partial structural diagram at A.
Fig. 3 is bottom plate and movable pulley side schematic view of the invention.
Fig. 4 is partial structural diagram at B in Fig. 3 of the invention.
Fig. 5 is structural schematic diagram of the invention when moving left and right bracket by the way that skidding mechanism is mobile.
Fig. 6 is structural schematic diagram of the invention when moving up and down holder by the way that skidding mechanism is mobile.
Fig. 7 is carrying plate structure schematic diagram of the invention.
Appended drawing reference are as follows: 1 square frame, 2 move left and right bracket, 3 X-axis magnetoresistive shift sensors, the displacement of 4 Z axis magnetic resistance
Sensor, 5 move up and down holder, 6 Y-axis laser displacement sensors, 7 laser cross cursor instrument, 8 bottom plates, 9 first connecting plates, 10
Second connecting plate, 11 first slide plates, 12 second slide plates, 13 sliding slots, 14 movable pulleys, 15 rotation axis, 16 card slots, 17 first measurements
Block, 18 second measuring blocks, 19 fixed pulleys, 20 first hooks, 21 second hooks, 22 shifting chutes, 23 rotating wheels, 24 handles, 25 are led
Messenger, 26 loading plates, 27 locating slots, 28 fixture blocks, 29 locating pieces.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
According to Fig. 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6 and a kind of car crass position measurement instrument shown in Fig. 7, including square box
Frame 1 is provided on the square frame 1 and moves left and right bracket 2, X-axis magnetic resistance position is provided on the upper transverse frame of the square frame 1
Displacement sensor 3, described move left and right are provided with Z axis magnetoresistive shift sensor 4 on bracket 2, described move left and right is arranged on bracket 2
Holder 5 is moved up and down, described move up and down is provided with Y-axis laser displacement sensor 6 interconnected, the Y-axis on holder 5
6 side of laser displacement sensor is provided with laser cross cursor instrument 7, and 1 side of square frame is provided with pulley mechanism；
The pulley mechanism includes bottom plate 8, and the side of square frame 1 is arranged in the bottom plate 8, and 8 both ends of bottom plate are respectively provided with
Have one group of support plate, support plate described in every group includes the first connecting plate 9 and the second connecting plate 10, first connecting plate 9 with
Second connecting plate 10 is separately positioned on the two sides of 8 one end of bottom plate, is provided with the first slide plate between two first connecting plates 9
11, the second slide plate 12, first slide plate 11 and the second slide plate 12 opposite one are provided between two second connecting plates 10
Side is provided with sliding slot 13, and movable pulley 14,14 liang of the movable pulley are provided between first slide plate 11 and the second slide plate 12
Side is provided with rotation axis 15, and the rotation axis 15 matches with sliding slot 13, the two sides at bottom plate 8 top and square frame 1
It is provided with card slot 16, the 8 top both ends of bottom plate are provided with the first measuring block 17, and the two sides of the square frame 1 are all provided with
It is equipped with the second measuring block 18, first measuring block 17 matches with card slot 16 with the second measuring block 18, described to move left and right
It 2 side of bracket and moves up and down 5 two sides of holder and is provided with fixed pulley 19, the fixed pulley 19 is respectively provided with 14 side of movable pulley
There is the first hook 20, first measuring block 17 and 18 side of the second measuring block are provided with the second hook 21,8 table of bottom plate
Face and 1 two sides of square frame are provided with scale trace；
The distance between first slide plate 11 and the second slide plate 12 are greater than the thickness of movable pulley 14；
First measuring block 17 and the second measuring block 18 are provided with handle 24 far from one end of the second hook 21, and described first
Mating between hook 20 and the second hook 21 to be provided with traction rope 25, the traction rope 25 is made of fibrous material；
The 16 inner cavity two sides of card slot are provided with locating slot 27, and first measuring block 17 is all provided with 18 bottom of the second measuring block
It is equipped with fixture block 28,28 two sides of fixture block are provided with locating piece 29, and the fixture block 28 matches with card slot 16, the locating slot 27
Match with locating piece 29.
The X-axis magnetoresistive shift sensor 3 and 4 model of Z axis magnetoresistive shift sensor are disposed as the displacement of MTR type magnetic resistance and pass
Sensor, 6 model of Y-axis laser displacement sensor are set as MSE-TS803 type laser displacement sensor.
Embodiment specifically: in the use of the present invention, moving left and right bracket 2 if necessary to movement, pass through Z axis magnetic resistance position
When displacement sensor 4 measures automobile, fixed pulley 19 and movable pulley 14 and the first measurement can will be passed through by traction rope 25
Block 17 is connected, and moves left and right the movement of bracket 2 by pulling the first measuring block 17 that can drive, and since the first measuring block 17 exists
It is mobile that bracket 2 moved left and right by the drive of movable pulley 14 when pulling, therefore, the first measuring block 17 it is mobile apart from when move left and right
Twice of 2 moving distance of bracket changes 1 when the position of the first measuring block 17 is every, then the shift in position for moving left and right bracket 2 is 1*
N, N are the multiple of pulley, and on bottom plate 8, there are two the first measuring blocks 17, and when moving left and right, the mobile direction of bracket 2 is different
When, the first measuring block 17 that can choose proper orientation is moved, when need to drive move up and down holder 5 it is mobile when, can be with
Fixed pulley 19 and movable pulley 14 will be passed through by traction rope 25 to be connected with the second measuring block 18, by pulling the second measuring block 18
The movement of holder 5 is moved up and down to drive, by being provided with pulley mechanism, to derive survey by the moving range of measuring block
The moving range of measuring appratus, and the moving range of measuring block is greater than the moving range of measuring instrument, therefore can make staff
It is more easier to see data clearly, and the two sides of bottom plate 8 and square frame 1 are equipped with scale trace, can be the moving range of measuring block
It measures, provides foundation, to improve the practicability of device.
According to Fig. 1, Fig. 2, Fig. 3 and a kind of car crass position measurement instrument shown in Fig. 4, in the middle part of 13 inner cavity of sliding slot
It is provided with shifting chute 22, rotating wheel 23 is arranged in the middle part of the rotation axis 15, is provided between the rotation hole and rotation axis 15
Bearing is flexibly connected between the rotating wheel 23 and rotation axis 15 by bearing；
The rotating wheel 23 matches with shifting chute 22, and the rotating wheel 23 is made of stainless steel material；
The precision of the Y-axis laser displacement sensor 6 is ± 0.5 millimeter, and the repeatability of the Y-axis laser displacement sensor 6 is
± 0.1 millimeter, the precision of the X-axis magnetoresistive shift sensor 3 is ± 20um/m, the precision of the Z axis magnetoresistive shift sensor 4
For ± 20um/m；
The square frame 1 is made of anti-buckling aluminum alloy materials, and the 1 bottom both ends of square frame are provided with loading plate
26。
Embodiment specifically: in the use of the present invention, when movable pulley 14 is between the first slide plate 11 and the second slide plate 12
When mobile, the rotation axis 15 of 14 two sides of movable pulley will drive rotating wheel 23 and move in shifting chute 22, can be with by rotating wheel 23
The frictional force between rotation axis 15 and sliding slot 13 is reduced, the resistance when movement of movable pulley 14 is reduced, saves the labor of survey crew
Device when in use steady can be improved to improve efficiency when device measurement, and by being provided with loading plate 26 in fatigue resistance
It is qualitative.
Working principle of the present invention:
Referring to Figure of description 1, Fig. 2, Fig. 3, Fig. 5, Fig. 6 and Fig. 7, in the use of the present invention, being moved left and right if necessary to movement
Bracket 2 when measuring by Z axis magnetoresistive shift sensor 4 to automobile, can will pass through 19 He of fixed pulley by traction rope 25
Movable pulley 14 is connected with the first measuring block 17, moves left and right the movement of bracket 2 by pulling the first measuring block 17 that can drive, and
Since the first measuring block 17 moves left and right the movement of bracket 2 by the drive of movable pulley 14 when pulling, the first measuring block 17 moves
It is dynamic apart from when move left and right twice of 2 moving distance of bracket, change 1 when the position of the first measuring block 17 is every, then move left and right
The shift in position of bracket 2 is 1*N, and N is the multiple of pulley, and on bottom plate 8, there are two the first measuring block 17, when moving left and right
When the direction difference of the movement of bracket 2, the first measuring block 17 that can choose proper orientation is moved, and is moved down when needing to drive
When the dynamic movement of holder 5, fixed pulley 19 and movable pulley 14 can will be passed through by traction rope 25 and be connected with the second measuring block 18, led to
It crosses and pulls the second measuring block 18 to drive and move up and down the movement of holder 5；
Referring to Figure of description 1, Fig. 2, Fig. 3 and Fig. 4, in the use of the present invention, when movable pulley 14 is in the first slide plate 11 and second
When moving between slide plate 12, the rotation axis 15 of 14 two sides of movable pulley will drive rotating wheel 23 and move in shifting chute 22, by turning
Driving wheel 23, it is possible to reduce the frictional force between rotation axis 15 and sliding slot 13 reduces the resistance when movement of movable pulley 14, saves survey
The labor intensity of amount personnel.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, and other structures can
With reference to being commonly designed, under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of car crass position measurement instrument, including square frame (1), it is characterised in that: set on the square frame (1)
It is equipped with and moves left and right bracket (2), be provided with X-axis magnetoresistive shift sensor (3) on the upper transverse frame of the square frame (1), it is described
Move left and right and be provided on bracket (2) Z axis magnetoresistive shift sensor (4), it is described move left and right to be provided on bracket (2) move down
Dynamic holder (5), described move up and down are provided with Y-axis laser displacement sensor (6) interconnected on holder (5), the Y-axis swashs
Optical displacement sensor (6) side is provided with laser cross cursor instrument (7), and square frame (1) side is provided with pulley mechanism；
The pulley mechanism includes bottom plate (8), and the bottom plate (8) is arranged in the side of square frame (1), the bottom plate (8) two
End is provided with one group of support plate, and support plate described in every group includes the first connecting plate (9) and the second connecting plate (10), and described the
One connecting plate (9) and the second connecting plate (10) are separately positioned on the two sides of bottom plate (8) one end, two first connecting plates (9)
Between be provided with the first slide plate (11), be provided with the second slide plate (12) between two second connecting plates (10), described first
Slide plate (11) and the second slide plate (12) opposite side are provided with sliding slot (13), first slide plate (11) and the second slide plate (12)
Between be provided with movable pulley (14), movable pulley (14) two sides are provided with rotation axis (15), the rotation axis (15) and sliding
Slot (13) matches, and the two sides at the top of the bottom plate (8) with square frame (1) are provided with card slot (16), bottom plate (8) top
Portion both ends are provided with the first measuring block (17), and the two sides of the square frame (1) are provided with the second measuring block (18), described
First measuring block (17) matches with card slot (16) with the second measuring block (18), it is described move left and right bracket (2) side with it is upper
Lower mobile holder (5) two sides are provided with fixed pulley (19), and the fixed pulley (19) and movable pulley (14) side are provided with the
One hook (20), first measuring block (17) and the second measuring block (18) side are provided with the second hook (21), the bottom
Plate (8) surface and square frame (1) two sides are provided with scale trace.
2. a kind of car crass position measurement instrument according to claim 1, it is characterised in that: sliding slot (13) inner cavity
Middle part is provided with shifting chute (22), is arranged with rotating wheel (23), the rotation hole and rotation axis in the middle part of the rotation axis (15)
(15) it is provided with bearing between, is flexibly connected between the rotating wheel (23) and rotation axis (15) by bearing.
3. a kind of car crass position measurement instrument according to claim 2, it is characterised in that: the rotating wheel (23) with
Shifting chute (22) matches, and the rotating wheel (23) is made of stainless steel material.
4. a kind of car crass position measurement instrument according to claim 1, it is characterised in that: first slide plate (11)
The distance between second slide plate (12) is greater than the thickness of movable pulley (14).
5. a kind of car crass position measurement instrument according to claim 1, it is characterised in that: first measuring block
(17) with the second measuring block (18) far from second hook (21) one end be provided with handle (24), it is described first hook (20) with
Mating between second hook (21) to be provided with traction rope (25), the traction rope (25) is made of fibrous material.
6. a kind of car crass position measurement instrument according to claim 1, it is characterised in that: the Y-axis laser displacement
The precision of sensor (6) is ± 0.5 millimeter, and the repeatability of the Y-axis laser displacement sensor (6) is ± 0.1 millimeter, the X
The precision of axis magnetoresistive shift sensor (3) is ± 20um/m, and the precision of the Z axis magnetoresistive shift sensor (4) is ± 20um/m.
7. a kind of car crass position measurement instrument according to claim 1, it is characterised in that: the square frame (1)
It is made of anti-buckling aluminum alloy materials, square frame (1) the bottom both ends are provided with loading plate (26).
8. a kind of car crass position measurement instrument according to claim 1, it is characterised in that: card slot (16) inner cavity
Two sides are provided with locating slot (27), and first measuring block (17) and the second measuring block (18) bottom are provided with fixture block
(28), fixture block (28) two sides are provided with locating piece (29), and the fixture block (28) matches with card slot (16), the locating slot
(27) match with locating piece (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910654141.8A CN110345858A (en) | 2019-07-19 | 2019-07-19 | A kind of car crass position measurement instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910654141.8A CN110345858A (en) | 2019-07-19 | 2019-07-19 | A kind of car crass position measurement instrument |
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| CN110345858A true CN110345858A (en) | 2019-10-18 |
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| CN201910654141.8A Pending CN110345858A (en) | 2019-07-19 | 2019-07-19 | A kind of car crass position measurement instrument |
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