CN108945164A - A kind of vehicle locating platform - Google Patents
A kind of vehicle locating platform Download PDFInfo
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- CN108945164A CN108945164A CN201810731650.1A CN201810731650A CN108945164A CN 108945164 A CN108945164 A CN 108945164A CN 201810731650 A CN201810731650 A CN 201810731650A CN 108945164 A CN108945164 A CN 108945164A
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- vehicle
- support frame
- wheel
- locating platform
- bracket
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- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 230000001141 propulsive effect Effects 0.000 claims abstract description 25
- 230000001105 regulatory effect Effects 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000009434 installation Methods 0.000 description 6
- 230000003139 buffering effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 229910003460 diamond Inorganic materials 0.000 description 5
- 239000010432 diamond Substances 0.000 description 5
- 241000736199 Paeonia Species 0.000 description 4
- 235000006484 Paeonia officinalis Nutrition 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 240000001085 Trapa natans Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000000837 restrainer Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D65/00—Designing, manufacturing, e.g. assembling, facilitating disassembly, or structurally modifying motor vehicles or trailers, not otherwise provided for
- B62D65/02—Joining sub-units or components to, or positioning sub-units or components with respect to, body shell or other sub-units or components
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/80—Analysis of captured images to determine intrinsic or extrinsic camera parameters, i.e. camera calibration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
A kind of vehicle locating platform, comprising: support frame (1) and setting support frame as described above (1) side lateral propulsive mechanism (2)；The position-limit mechanism (3) being moved forward and backward for limiting vehicle front-wheel and/or rear-wheel is provided on support frame as described above (1)；The transverse direction propulsive mechanism (2) includes: the regulating mechanism (21) of bracket (20) and setting on the bracket (20), the regulating mechanism can be adjusted lateral direction of car position close to or far from car body, and by the close car body；The regulating mechanism (21) is additionally provided with buffer gear (22) close to the one end of support frame as described above (1).The present invention convenient and efficient can be fixed vehicle, and meet the vehicle locating platform of vehicle-mounted camera stated accuracy requirement.
Description
Technical field
The invention belongs to vehicle location fields, and in particular to a kind of vehicle locating platform, more particularly to it is a kind of suitable for vehicle
Carry the vehicle locating platform of camera calibration.
Background technique
Vehicle-mounted camera is to realize to drive from dynamic auxiliary and unpiloted critical elements, and onboard position is being just for camera
Really to realization, its function plays a significant role for installation, how accurately to determine the position of camera, is a more troublesome problem, existing
Determine whether having technology generally by scaling board to the installation site of camera, to be arranged in front windshield of vehicle position
For the vehicle-mounted camera at place, when calibration is to place a scaling board in right ahead, and then by vehicle parking before scaling board
Side, fixes the position of vehicle with respect to ground, and obtain the phase between camera center and scaling board angle point by actual measurement
Camera supply is inputted to the standard value of position, then by the standard value and by the angular coordinate position that camera actual observation arrives
In the calibration software that quotient provides, if the error of the two is in error range, feeds back camera installation and meet the requirements, if error
Calibration failure is then thought beyond error range, and it is problematic to feed back camera installation.For above-mentioned calibration process, if often
Vehicle stop position is not fixed or same vehicle stop position has variation during the calibration process, it is necessary to measurement camera shooting every time
Relative position between head center and scaling board angle point, this will cause very big measurement workload for batch calibration.
Therefore, before being demarcated to vehicle-mounted camera, vehicle location is fixed, how is particularly important
Carrying out precise positioning to vehicle is a problem.Determine currently, industry seldom sees the vehicle demarcated specifically for vehicle-mounted camera
Bit platform, main cause are caused by the demarcation flow of different company is different with technology path.General locating platform of parking is multi-purpose
In parking systems and electrical changing station, there is complicated control system and mechanical actuating mechanism, structure is complicated, with high costs, and
Generally all in conjunction with specific function, camera calibration is not suitable for.
Summary of the invention
(1) goal of the invention
The object of the present invention is to provide one kind convenient and efficient vehicle to be fixed, and meets vehicle-mounted camera calibration essence
Spend desired vehicle locating platform.
(2) technical solution
To solve the above problems, the first aspect of the present invention provides a kind of vehicle locating platform, comprising: support frame and set
Set the lateral propulsive mechanism in support frame as described above side；It is provided on support frame as described above for limiting vehicle front-wheel and/or rear-wheel
The position-limit mechanism of back-and-forth motion；The transverse direction propulsive mechanism includes: the regulating mechanism of bracket and setting on the bracket, described
Regulating mechanism can be close to or far from car body, by being adjusted close to the car body to lateral direction of car position；The regulating mechanism
One end close to support frame as described above is additionally provided with buffer gear.
Further, position-limit mechanism is the limiting slot being arranged at the top of support frame.
Further, limiting slot is projected as V-shaped on the plane perpendicular to wheel center line axis.
Further, multiple idler wheels along the arrangement of its inner wall, the rotating direction of idler wheel and laterally propulsion are provided in limiting slot
The thrust direction of mechanism is consistent, for providing transverse direction to the adjustment of Chinese herbaceous peony wheel and/or rear-wheel lateral position for lateral propulsive mechanism
Power-assisted.
Further, it is additionally provided with sliding equipment on support frame, for being lateral propulsive mechanism to back wheels of vehicle lateral position
Adjustment provides lateral power-assisted.
Further, sliding equipment includes multiple idler wheels along the setting of support frame plane, and the rotating direction of idler wheel is along car body
Laterally setting.
Further, regulating mechanism includes scissors propulsion arms and screw rod, and scissors propulsion arms is that four supporting arms form quadrangle
Frame；Four supporting arms are rotation connection between any two, and screw rod is arranged along a diagonal line of quadrilateral frame, and length is greater than
Cornerwise length of quadrilateral frame, scissors propulsion arms can be moved and then be deformed along the length direction of screw rod；Scissors propulsion arms
Another cornerwise one end be connected to bracket.
Further, bracket includes horizontal bracket and vertical rack interconnected, the bottom company of vertical rack and support frame
It connects；Horizontal bracket is set as to move up and down along vertical rack, and regulating mechanism can be moved horizontally along horizontal bracket.
Further, support frame includes a pair of unilateral bridge disposed in parallel, is connected between a pair of of unilateral bridge by connecting rod.
(3) beneficial effect
Above-mentioned technical proposal of the invention has following beneficial technical effect: by the way that a support frame is arranged, and supporting
The position-limit mechanism being moved forward and backward for limiting vehicle front-wheel and/or rear-wheel is set on frame, thus by the position of vehicle relative Calibration plate
It sets and is fixed；And one bracket is set in support frame side, a regulating mechanism is installed on bracket, regulating mechanism is set as can
Close to or far from the car body of vehicle, by being adjusted close to car body to lateral direction of car position, so that vehicle is fixed on pre-determined bit
Place is set, so that it is determined that the relative position between vehicle camera and scaling board angle point, follow-up calibration no longer needs to measure, and adjusts
It saves mechanism and is additionally provided with a buffer gear close to one end of support frame, for increasing the forced area of rectangle frame and vehicle contact,
To alleviate damage of the rectangle frame to wheel hub, a kind of locating platform of vehicle is provided by fully mechanical structure, easy to operate, property
Can be reliable and low in cost, it can satisfy the required precision of camera calibration, while can realize that vehicle is fixed in higher efficiency again
Position has preferable innovative and practical value.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of vehicle locating platform of the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of lateral propulsive mechanism in the vehicle locating platform of the embodiment of the present invention；
Fig. 3 is the top view of scissors propulsion arms in the vehicle locating platform of the embodiment of the present invention；
Fig. 4 is the schematic diagram in the embodiment of the present invention about the angle point of scaling board.
Appended drawing reference:
1: support frame；10: unilateral bridge；100: buffering ramp；101: positioning surface；11: connecting rod；2: lateral pusher
Structure；20: bracket；200: first level bracket；201: the second horizontal brackets；202: third horizontal bracket；203: the first vertical branch
Frame；204: the second vertical racks；205: reinforcing rib；21: regulating mechanism；210: scissors propulsion arms；2100: the first supporting arms；
2101: the second supporting arms；2102: third supporting arm；2103: the four supporting arms；211: screw rod；22: buffer gear；3: position restrainer
Structure；4: sliding equipment；5: ear mount；A/B: diagonal line；M1/M2: angle point.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Fig. 1 is a kind of structural schematic diagram of vehicle locating platform of the embodiment of the present invention.
As shown in Figure 1, a kind of vehicle locating platform, comprising: support frame 1 and lateral propulsive mechanism 2,；It is arranged on support frame 1
There is the position-limit mechanism 3 being moved forward and backward for limiting vehicle front-wheel and/or rear-wheel；The side of support frame 1 is arranged in lateral propulsive mechanism 2
Face, lateral propulsive mechanism 2 include bracket 20 and the regulating mechanism 21 being arranged on bracket 20, and regulating mechanism 21 is close to vehicle hub
Setting, regulating mechanism 21 can be adjusted lateral direction of car position close to or far from car body, and by close car body.In addition,
Regulating mechanism 21 is additionally provided with buffer gear 22 close to one end of support frame 1, and buffer gear 22 can increase rectangle frame and vehicle
The forced area of contact, and alleviate damage of the rectangle frame to wheel hub, buffer gear 22 can choose disk, such as: nylon pushes away
Into disk.
In one embodiment, support frame 1 can be a monolith unilateral bridge 10 formation, be also possible to be set in parallel by a pair
The unilateral bridge 10 set and the connecting rod 11 that two unilateral bridges 10 connect is formed, connecting rod 11 can use square tube, unilateral bridge 10
With buffering ramp 100 and positioning surface 101, for the setting of position-limit mechanism 3 on positioning surface 101, the position of position-limit mechanism 3 should be with
Wheel position after vehicle drives on positioning surface 101 is corresponding, wherein position-limit mechanism 3 can be to vehicle front-wheel
Position is defined, i.e., position-limit mechanism 3 is only arranged at position corresponding with wheel front-wheel on support frame 1, can also be pair
The position of vehicle rear wheel is defined, i.e., position-limit mechanism 3 is only arranged at position corresponding with wheel rear-wheel on support frame 1, also
It can be and the position of vehicle front-wheel and vehicle rear wheel is defined, i.e., it is corresponding with Chinese herbaceous peony wheel and back wheels of vehicle on the support frame
Position-limit mechanism 3 is respectively provided at position, in order to which accurately vehicle is fixed, preferably to vehicle front-wheel and vehicle rear wheel
Position is defined.
It should be noted that following alleged lateral position and lengthwise position are locating after driving into support frame 1 with vehicle
Position is object of reference, then the direction of driving into of vehicle is lengthwise position, and vertical with direction is driven into then is lateral position.
According to above-mentioned configuration, vehicle drives into positioning surface 101 in the buffering ramp 100 by support frame 1, and is moved to limit
It, can be to vehicle front-wheel if one end far from buffering ramp 100 on support frame 1 is arranged in position-limit mechanism 3 when at the mechanism 3 of position
It is formed and is limited, at this location by vehicle limitation, if position-limit mechanism 3 is arranged on support frame 1 close to the one end in buffering ramp 100
When, then vehicle front-wheel is limited, at this point, vehicle can by continuing traveling so that vehicle rear wheel is located at 3 position of position-limit mechanism,
To limit vehicle rear wheel position.It, can be simultaneously to vehicle if the both ends of support frame 1 are both provided with position-limit mechanism 3
Front wheels and rear wheels be respectively formed restriction, at this point, the depth of position-limit mechanism 3 is referred to foregoing description at vehicle rear wheel position.When
It, can be by making lateral propulsive mechanism 2 close to car body, thus completion pair after vehicle drives at the defined position on positioning surface 101
The adjustment of cross-car position.Specifically, it can be at vehicular sideview any position, to form pushing away on lateral position
Power, to be adjusted to cross-car position.Preferably, it can be and lateral propulsive mechanism 2 be positioned close to vehicle hub
At position, by being adjusted to the thrust of one transverse direction of wheel hub to cross-car position.
Wherein, position-limit mechanism 3 is the limiting slot that 1 top of support frame is arranged in, and limiting slot can be a pair, can also be by this
A pair of of limiting slot is connected to form a limiting slot to two Chinese herbaceous peony wheels or back wheels of vehicle while limiting.Further, it limits
The vertical face cross-sectional view of slot is V-shaped or trapezoidal.If limiting slot is one, the lateral length of limiting slot need to be greater than vehicle hub
Between width, two vehicle front-wheels or two vehicle rear wheels can be accommodated, and being capable of transverse shifting.If limiting slot is one
Right, then the horizontal spacing maximum between limiting slot need to guarantee vehicle energy no more than the spacing between vehicle front-wheel or rear-wheel
Enough carry out the movement of lateral position.In the embodiment that position-limit mechanism 3 limits vehicle rear wheel or front wheels and rear wheels,
In order to enable vehicle front-wheel drives into position-limit mechanism and can be driven out to, the depth of limiting slot can be set to half less than vehicle hub
Diameter, such as: it is the 1/3 of vehicle hub radius.
In one embodiment, limiting slot can be the groove being laterally arranged along one end of support frame 1, can also be with
Two grooves being laterally arranged along the both ends of support frame 1, the width of groove be greater than between vehicle front-wheel or rear-wheel it is maximum away from
From.
In another embodiment, limiting slot can be a pair of symmetrically arranged groove, and along one end of support frame 1 cross
To setting, it is also possible to two pairs of symmetrically arranged grooves, is laterally arranged along the both ends of support frame 1, the spacing between a pair of of groove
The distance between vehicle front-wheel or rear-wheel are adapted to.
It should be noted that the other embodiments that above-mentioned two embodiment is combined, also should belong to this
In the protection scope of invention, such as: one groove is laterally set along one end of support frame 1, the other end along support frame 1 is laterally set
Set a pair of of groove.
It in one embodiment, can be in limiting slot in order to provide power-assisted when laterally urging to lateral propulsive mechanism 2
The interior multiple idler wheels along the arrangement of limiting slot inner wall of setting, the rotating direction of idler wheel is consistent with the lateral thrust direction of propulsive mechanism,
It, can be laborsaving by the rolling of idler wheel when lateral propulsive mechanism 2 adjusts Chinese herbaceous peony wheel and/or rear-wheel lateral position.
The quantity of lateral propulsive mechanism 2 can be set according to the distribution of position-limit mechanism 3, specifically, can be along support
The two sides of frame 1 are respectively set one, i.e., to thrust is formed at vehicle body side any position to realize lateral propulsion, are also possible to edge
The two sides of support frame 1 are respectively set two pairs, the position of four wheel hubs of corresponding vehicle, by completing to one lateral thrust of wheel hub
The adjustment of lateral direction of car position.
On the basis of position-limit mechanism 3 is the embodiment limited vehicle front-wheel, the present invention can also be arranged one
Sliding equipment 4, for providing lateral power-assisted to the adjustment of back wheels of vehicle lateral position for lateral propulsive mechanism 2.Further, it slides
Mechanism 4 includes multiple idler wheels along the setting of 1 plane of support frame as described above, the rotating direction of the idler wheel and lateral propulsive mechanism 2
Thrust direction is consistent, for providing lateral power-assisted to the adjustment of back wheels of vehicle lateral position for lateral propulsive mechanism 2, it is preferable that
In order to reduce the resistance caused by front-wheel of sliding equipment 4 in vehicle travel process, sliding equipment 4 be can be set to and support frame 1
Upper surface it is substantially flush, in this way, vehicle front-wheel more can easily cross sliding equipment 4, and sliding equipment 4 or
The adjustment of lateral direction of car position provides power-assisted.
In one embodiment, sliding equipment 4 can be one, and the lateral length of sliding equipment 4 need to be greater than vehicle wheel
Width between hub guarantees that two back wheels of vehicle being capable of transverse shifting.Sliding equipment 4 may be a pair, then two sliding equipments 4
Between horizontal spacing maximum no more than the spacing between vehicle front-wheel or rear-wheel, just can guarantee the shifting of lateral direction of car position
It is dynamic.
When having a pair of of position-limit mechanism 3 and pair of sliding mechanism 4 on support frame 1, position-limit mechanism 3 is outside support frame 1
The distance of side need to be with ipsilateral sliding equipment 4 being equidistant on the outside of support frame 1, so that a pair of of position-limit mechanism 3 and a pair
Sliding equipment 4 is just capable of forming a rectangle, the maximum between the maximum length and maximum width and vehicle hub of the rectangle
Horizontal spacing is equal with maximum longitudinal pitch.
Since sliding equipment 4 and position-limit mechanism 3 are formed by idler wheel, and idler wheel is transversely arranged, therefore can pass through idler wheel
Precise positioning is realized in the adjustment of quantity, such as: when vehicle is located at 3 inside of position-limit mechanism, make vehicle by adjusting number of rollers
Front vehicle wheel has 3 idler wheels on the outside of position-limit mechanism 3, and adjusts the rear wheel of vehicle the same side outside sliding equipment 4
Side has 3 idler wheels, then precise positioning may be implemented.
Fig. 2 is the structural schematic diagram of lateral propulsive mechanism in the vehicle locating platform of the embodiment of the present invention.
Fig. 3 is the top view of scissors propulsion arms in the vehicle locating platform of the embodiment of the present invention.
As shown in Figures 2 and 3, regulating mechanism 21 includes scissors propulsion arms 210 and screw rod 211；Scissors propulsion arms 210 includes
First supporting arm 2100, the second supporting arm 2101, third supporting arm 2102 and the 4th supporting arm 2103, four supporting arm head and the tail connect
It connects to form a quadrilateral frame, and four supporting arms are rotation connection between any two, its of quadrilateral frame is arranged in screw rod 211
In on a diagonal line A, one end is fixed on the corner that the first supporting arm 2100 and the second supporting arm 2101 are formed by nut,
The other end is free end, and the length of screw rod 211 is greater than cornerwise length of quadrilateral frame, and scissors propulsion arms 210 can be along silk
The length direction of bar is mobile and then deforms, so that the turning that the first supporting arm 2100 and the 4th supporting arm 2103 are formed is close or remote
From wheel hub.One end another diagonal line B of scissors propulsion arms 210 is connected to bracket 20, and the other end is close to support frame 1.
Wherein, quadrilateral frame can be different shape in the state of difference, generally speaking, including rectangular frame and
Diamond shape frame.
Rectangular frame can be made to be deformed into diamond shape frame by the adjustment to screw rod 211 according to above-mentioned configuration, or
So that diamond shape frame is deformed into rectangular frame, by the way that screw rod 211 is adjusted, so that the length of diagonal line A reduces, Ke Yishi
Existing diamond shape frame is deformed into rectangular frame, then the length of diagonal line B will increase with it, and then rectangular frame and vehicle contact
One end can move closer to vehicle, thus formed to the thrust on lateral direction of car position.
With continued reference to FIG. 1, if the adjustment direction of lateral direction of car position is from X to Y, to Y location
Regulating mechanism 21 is adjusted, and is adjusted first by ratchet spanner to the screw rod 211 at Y location, is passed through ratchet spanner band
Dynamic screw rod 211 rotates, so that the length of diagonal line A increases, so that rectangular frame is deformed into diamond shape frame, then diagonal line
The length of B will reduce therewith, and then the tie point that the first supporting arm 2100 and the 4th supporting arm 2103 are formed can be gradually distance from
Vehicle, so that certain adjustment distance is provided on adjustment direction for vehicle, next, at again by ratchet spanner to X position
Screw rod 211 be adjusted, by ratchet spanner drive screw rod 211 rotation so that the length of diagonal line A reduces, so that water chestnut
Shape frame deformation is rectangular frame, then the length of diagonal line B will increase with it, so that the first supporting arm 2100 and the
The tie point that four supporting arms 2103 are formed can move closer to vehicle, to be formed to the thrust on lateral direction of car position.
Please continue to refer to Fig. 2, bracket 20 include horizontal bracket interconnected and vertical rack, one end of vertical rack with
Support frame bottom connection；Horizontal bracket is set as to move up and down along vertical rack, and regulating mechanism can be along horizontal bracket level
It is mobile.
Horizontal bracket includes first level bracket 200, the second horizontal bracket 201 and third horizontal bracket 202, vertical rack
Including the first vertical rack 203 and the second vertical rack 204；
First level bracket 200 and the first vertical rack 203 vertically connect the at T-shaped bracket of shape, 201 He of the second horizontal bracket
Second vertical rack 204 vertically connects the at T-shaped bracket of shape, wherein first level bracket 200 and the second horizontal bracket 201 are placed
On the ground, 202 both ends of third horizontal bracket are connect with the first vertical rack 203 and the second vertical rack 204 respectively, and can edge
204 vertical shift of first vertical rack 203 and the second vertical rack, third horizontal bracket 202 and the first vertical rack 203 and
It is also fixedly connected by corner fittings between two vertical racks 204.
In addition, T connected in star is additionally provided on third horizontal bracket 202, the second supporting arm 2101 and third supporting arm 2102
The tie point of formation is bolted to third horizontal bracket 202, and bolt passes through third horizontal bracket 202 and uses at its back side
Nut fastening, when needing to adjust lengthwise position of the scissors propulsion arms 210 on third horizontal bracket 202, can first unclamp spiral shell
Mother is adjusted, and after being adjusted to desired locations, can be fastened again by nut to be positioned.
Also, the reaction force that vehicle generates scissors propulsion arms 210 in progradation in order to prevent makes vertical rack
Deformation, the present invention can also be between first level bracket 200 and the first vertical racks 203 and 201 He of the second horizontal bracket
Reinforcing rib 205 is respectively set between second vertical rack 204 is vertical, reinforcing rib 205 connects the both ends of first level bracket 200
At a certain position on to the first vertical rack 203, two reinforcing ribs 205 and first level bracket 200 and the first vertical rack
203 one isosceles triangle of formation can increase the stability of bracket due to the stability of triangle, while also can
Increase robustness, vertical shelf can also realize left and right adjusting.By the adjusting of different location, the effect of lateral force not only can be changed
Point, and the stroke of rectangle frame can be increased, so that lateral propulsion be better achieved.
Specifically, bracket 20 can be when installing with support frame 1 by first level bracket 200 and the second horizontal bracket
201 one end is fixedly connected with support frame 1, optionally, can also be by first level bracket 200 and the second horizontal bracket 201
The other end is fixedly connected by a connecting rod.If support frame 1 is unilateral bridge, the outside of unilateral bridge can by ear mount 5 with
Ground is fixedly connected, to improve the stability of support frame.
The vehicle locating platform of the embodiment of the present invention is fully mechanical structure, easy to operate, reliable performance, and at low cost
It is honest and clean, it can satisfy the required precision of camera calibration, while can realize vehicle location in higher efficiency again, there is preferable innovation
Property and practical value.
During camera calibration, the positioning accuracy to vehicle is usually to require longitudinal register precision and located lateral
Within 10mm, the lengthwise position of position-limit mechanism can be set precision according to longitudinal register precision, when vehicle is located at limit
When in mechanism, longitudinal register precision can be met, located lateral precision can be by being distributed in the lateral pusher of wheel surrounding
Structure is adjusted cross-car position to realize.It is possible to further by multiple empirical value in position-limit mechanism and sliding
It is marked in mechanism, that is, a tick lables is set, as long as adjusting the lateral position of vehicle to tick lables, can met
Located lateral precision.
Vehicle locating platform through the invention can be such that the position of vehicle fixes with respect to ground, so that it is determined that in camera
Relative position between the heart and the angle point of scaling board obtains phase between camera center and the angle point of scaling board by one-shot measurement
To the standard value of position, it is subsequent using the standard value as camera calibration during angle point physical location input, if camera shooting
The difference of corner location and physical location that head is obtained by the shot detection to angle point on scaling board is then recognized in error range
It to demarcate successfully, and feeds back camera installation and meets the requirements, calibration failure is thought if difference is beyond error range, and feed back
Camera installation is problematic, and vehicle locating platform through the invention can realize the batch calibration of more trolleys, greatly improves calibration
Efficiency.As soon as and if each car stop position is not fixed or a vehicle stop position has variation, then for each car
Need to measure the standard value of relative position between camera center and scaling board angle point every time, this for batch calibration for,
It will cause very big workload.
Definition for the angle point of scaling board, for example, using chequered with black and white gridiron pattern as scaling board, i.e. scaling board
Be made of six small rectangles, be distributed as two rows, each small rectangle is white or black, any small rectangle with and its adjacent square
The color of shape is different, then angle point is the central point of the big rectangle of every four small rectangle composition, as M1 and M2 point institute is in place in figure
The signal set.
Hereinbefore mentioning can be such that the position of vehicle fixes with respect to ground by the vehicle locating platform of the application, thus
Determine the relative position between camera center and scaling board angle point, but this is not to say that technical solution disclosed in the present application only
It is limited to determine the relative position between camera and scaling board angle point, scheme disclosed in the present application can be also used in any other in fact
In the scene for needing to implement vehicle positioning.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (9)
1. a kind of vehicle locating platform characterized by comprising support frame (1) and setting support frame as described above (1) side cross
To propulsive mechanism (2)；
The position-limit mechanism (3) being moved forward and backward for limiting vehicle front-wheel and/or rear-wheel is provided on support frame as described above (1)；
The transverse direction propulsive mechanism (2) includes: the regulating mechanism (21) of bracket (20) and setting on the bracket (20), described
Regulating mechanism can be adjusted lateral direction of car position close to or far from car body, and by the close car body；
The regulating mechanism (21) is additionally provided with buffer gear (22) close to the one end of support frame as described above (1).
2. vehicle locating platform according to claim 1, which is characterized in that the position-limit mechanism (3) is to be arranged described
Limiting slot at the top of support frame (1).
3. vehicle locating platform according to claim 2, which is characterized in that the limiting slot is perpendicular to wheel center line axis
V-shaped is projected as in the plane of line.
4. vehicle locating platform according to claim 2 or 3, which is characterized in that be provided with multiple edges in the limiting slot
Its inner wall arrangement idler wheel, the rotating direction of the idler wheel with it is described transverse direction propulsive mechanism (2) thrust direction it is consistent, for for
The transverse direction propulsive mechanism (2) provides lateral power-assisted to the adjustment of the vehicle front-wheel and/or rear-wheel lateral position.
5. vehicle locating platform according to claim 2, which is characterized in that support frame as described above is additionally provided with sliding on (1)
Mechanism (4), for providing the adjustment of the vehicle rear wheel lateral position lateral power-assisted for the lateral propulsive mechanism (2).
6. vehicle locating platform according to claim 5, which is characterized in that the sliding equipment (4) includes multiple along institute
The idler wheel of support frame (1) plane setting is stated, the rotating direction of the idler wheel is arranged along the transverse direction of the car body.
7. vehicle locating platform according to claim 1, which is characterized in that the regulating mechanism (21) includes that scissors promote
Arm (210) and screw rod (211), the scissors propulsion arms (210) are that four supporting arms form quadrilateral frame；
Four supporting arms are rotation connection between any two, and the screw rod (211) is diagonal along one of the quadrilateral frame
Line setting, and length is greater than cornerwise length of the quadrilateral frame, the scissors propulsion arms (210) can be along the screw rod
(211) length direction is mobile and then deforms；
Another cornerwise one end of the scissors propulsion arms (210) is connected to the bracket (20).
8. vehicle locating platform according to claim 1, which is characterized in that the bracket (20) includes water interconnected
Flat bracket and vertical rack, the vertical rack are connect with the bottom of support frame as described above (1)；
The horizontal bracket is set as to move up and down along the vertical rack, and the regulating mechanism (21) can be along the level
Support level is mobile.
9. vehicle locating platform according to claim 1, which is characterized in that support frame as described above (1) includes that a pair is set in parallel
The unilateral bridge (10) set is connected by connecting rod (11) between a pair of unilateral bridge (10).
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| CN201810731650.1A CN108945164B (en) | 2018-07-05 | 2018-07-05 | Vehicle positioning platform |
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| CN201810731650.1A CN108945164B (en) | 2018-07-05 | 2018-07-05 | Vehicle positioning platform |
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