CN106017396A - Vehicle dynamic toe-in measuring device - Google Patents
Vehicle dynamic toe-in measuring device Download PDFInfo
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- CN106017396A CN106017396A CN201610637404.0A CN201610637404A CN106017396A CN 106017396 A CN106017396 A CN 106017396A CN 201610637404 A CN201610637404 A CN 201610637404A CN 106017396 A CN106017396 A CN 106017396A
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- assembly
- table top
- trailing wheel
- centering
- wheel
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- 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
- G01M17/013—Wheels
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- General Physics & Mathematics (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle dynamic toe-in measuring device and relates to the technical field of vehicle detection equipment. A toe-in testing mechanism comprises testing units and alignment adjusting units. The two testing units and the two alignment adjusting units are arranged right in front of a rear wheel straightening mechanism and symmetrically arranged left and right in a mirroring mode respectively. Each testing unit comprises a measuring supporting frame, a rotary support, supporting wheels, a displacement sensor and an angle driving lever, wherein the two parallel supporting wheels are arranged on the upper portion of the rotary support, at least one supporting wheel is connected with a supporting wheel driving assembly, the center of the bottom of the rotary support is connected with the bottom of the measuring supporting frame through a rotary shaft, the angle driving lever is arranged on the rear side of the rotary support, and the displacement sensor matched with the angle driving lever is arranged on the measuring supporting frame; each alignment adjusting unit comprises an alignment lever, an elastic probe and an alignment driving assembly, wherein one end of the alignment rod is provided with the elastic probe, and the other end of the alignment lever is connected with the alignment driving assembly through a connecting plate. The vehicle dynamic toe-in measuring device is simple in structure, safe and reliable to use, accurate in measuring result and high in repeatability.
Description
Technical field
The present invention relates to vehicle equipment technical field.
Background technology
Automotive wheel toe-in parameter has direct relation to the safety traffic of automobile and the life-span of automobile, owing to toeing-in is defective, cause tire premature wear and deformity abrasion, the economic loss caused scrapped in advance by tire is the biggest, serious also blowing out in the process of moving causes vehicle accident, and China has also promulgated national measurement specification JJF1154-2014 " four-wheel position finder calibrating standard " for this.At present, a lot of equipment for measuring toeing-in angle mostly are static measurement equipment on the market, cause toeing-in measurement error big, and repeatability is bad.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned the deficiencies in the prior art, it is provided that a kind of vehicle dynamic toe measurement device, its simple in construction, and safe and reliable, measurement result is accurate, and repeatability is high.
For solving above-mentioned technical problem, the technical solution used in the present invention is:
A kind of vehicle dynamic toe measurement device, including prenex mechanism for testing and trailing wheel adjusting mechanism, prenex mechanism for testing includes test cell and centering adjustment unit, it is the most anterior that test cell and centering adjustment unit are located at trailing wheel adjusting mechanism, centering adjustment unit is located at that the outside of test cell, test cell and centering adjustment unit mirror image respectively are symmetrical is provided with two；Measuring unit and trailing wheel adjusting mechanism contact with the front-wheel of vehicle and the bottom surface of trailing wheel respectively；
Each described test cell all includes measuring support frame, swinging mounting, support roller, displacement transducer and angle driving lever, the top of swinging mounting is provided with two support rollers being parallel to each other, at least one tugboat connects has tugboat to drive assembly, the bottom centre of swinging mounting is connected with the bottom measuring support frame by rotating shaft, the rear side of swinging mounting is provided with angle driving lever, measures support frame and is provided with the displacement transducer matched with angle driving lever；
Described centering adjustment unit includes that centering rod, spring probe and centering drive assembly, and one end of centering rod is provided with spring probe, and spring probe contacts with the lateral surface bottom front-wheel, and the other end of centering rod is connected by connecting plate has centering to drive assembly；
Displacement transducer, tugboat drive assembly, spring probe, centering to drive assembly and trailing wheel adjusting mechanism to be all connected with programmable logic controller (PLC).
As further technical scheme, being additionally provided with forced synchronism and adjust assembly between two described centering adjustment units, forced synchronism adjusts assembly and includes the steel wire rope that two ends are connected with two connecting plates respectively, and steel wire rope is guided by pulley tensioning.
As further technical scheme, it is additionally provided with lifting brake assemblies between two described tugboats, lifting brake assemblies includes lifting brake block and lifting brake drives assembly, the top that lifting brake block is located between tugboat, and it drives assembly to be connected with swinging mounting by lifting brake；Lifting brake drives assembly to be connected with programmable logic controller (PLC).
As further technical scheme, the side of described swinging mounting is additionally provided with return retaining mechanism, return retaining mechanism includes that lock sleeve, latch segment and locking drive assembly, latch segment front end is provided with lock projection, rear end drives assembly to be connected with being located at the locking measured in support frame, lock sleeve is located at swinging mounting side, and lock sleeve is provided with the locking groove coordinated with lock projection；Locking drives assembly to be connected with programmable logic controller (PLC).
As further technical scheme, the relative inside upper part of two described measurement support frames is additionally provided with safety and guides guardrail.
As further technical scheme, described measurement support frame top further respectively has can front shroud above coverage test unit.
As further technical scheme, described measurement support frame bottom is additionally provided with wheel tread adjusting mechanism, wheel tread adjusting mechanism includes fixed mount, connects sheet and wheelspan regulation driving assembly, fixed mount top is provided with for connecting the connection sheet measuring support frame, connects sheet bottom and drives assembly to be connected with wheelspan regulation；Fixed mount both sides are additionally provided with and drag rail for lift test cell；Wheelspan regulation drives assembly to be connected with programmable logic controller (PLC).
As further technical scheme, described trailing wheel adjusting mechanism includes that mobile table top and the trailing wheel being connected with mobile table top respectively ajust unit and trailing wheel mobile unit；Mobile table top is rectangular mobile table top；Trailing wheel is ajusted unit and is included ajusting baffle plate and assembly is ajusted in synchronization, ajust baffle plate and there are two be parallel to each other, all it is located at top, mobile station face, and be slidably connected with mobile station side, its major axis is mutually perpendicular to the major axis of mobile table top, synchronization is ajusted assembly and is located at mobile station basifacial, and is connected with ajusting baffle plate, synchronize ajust assembly can drive two ajust baffle plate move along simultaneously table top major axis direction motion；Trailing wheel mobile unit includes all being located at the basifacial guide assembly of mobile station and trailing wheel mobile unit drives assembly；Assembly is ajusted in synchronization and trailing wheel mobile unit drives assembly to be all connected with programmable logic controller (PLC).
As further technical scheme, assembly is ajusted in described synchronization can be with mobile table top synchronizing moving, motor is ajusted including synchronization, swing arm, connecting rod and bearing rod, synchronization is ajusted motor and is located at immediately below mobile table top, its output shaft is with to be located at the positive middle part Tong Bu ajusting the swing arm above motor affixed, one end with two connecting rods respectively, the two ends of swing arm is connected, the other end of two connecting rods connects with the positive middle part being symmetrically set in the bearing rod Tong Bu ajusting motor both sides respectively, bearing rod is located at immediately below mobile table top, and two ends are connected with the two ends ajusting baffle plate by connector respectively；Synchronization is ajusted motor and is connected with programmable logic controller (PLC).
As further technical scheme, both sides, described mobile table top top are additionally provided with the limit cover plate that can cover above mobile table top.
Use and have the beneficial effects that produced by technique scheme:
The simple in construction of device, easy to use, floor space is little, and uses dynamic measuring tech, and the precision measuring toe-in angle is high, and error is little, and repeatability is strong, is conducive to improving the efficiency that detection adjusts.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the A portion enlarged drawing of Fig. 1；
Fig. 3 is test cell and the C direction view of wheel tread adjusting mechanism being positioned at right side in Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the B direction view of centering adjustment unit in Fig. 1；
Fig. 6 is the structural representation of wheel tread adjusting mechanism in Fig. 1；
Fig. 7 is the top view of trailing wheel adjusting mechanism in Fig. 1；
Fig. 8 is the upward view of Fig. 7；
Fig. 9 is the structural representation synchronizing to ajust assembly in Fig. 7.
In figure: 1, test cell；2, trailing wheel adjusting mechanism；4, wheel tread adjusting mechanism；5, centering rod；6, spring probe；7, centering drives assembly；8, connecting plate；11, steel wire rope；12, pulley；13, support frame is measured；14, support roller；15, lifting brake block；16, displacement transducer；17, angle driving lever；18, swinging mounting；20, locking drives assembly；21, latch segment；22, lock sleeve；23, safety guides guardrail；24, fixed mount；25, sheet is connected；26, rail is dragged；27, table top is moved；28, baffle plate is ajusted；29, wheelspan regulation drives assembly；32, synchronize to ajust motor；33, swing arm；34, connecting rod；35, bearing rod；36, limit cover plate；37, front shroud；38, ground；39, guide protrusions；40, bracing frame.
Detailed description of the invention
The present invention is further detailed explanation with detailed description of the invention below in conjunction with the accompanying drawings.
In the method that traditional test is prenex, mostly use static test, i.e. artificially vehicle tyre is aligned situation to be adjusted, various sensor is utilized to carry out angle measurement in the case of resting state at vehicle subsequently, this method of testing due to vehicle wheel alignment situation is adjusted every time when due to various errors, the situation that aligns of wheel is all cheated can be not quite identical, causes toe-in value measurement error relatively big, is unfavorable for correct inspection Toe-in.Accordingly, it would be desirable to the method using kinetic measurement, draw toe-in value more accurately.
As shown in figures 1-8, for an embodiment of the present invention a kind of vehicle dynamic toe measurement device:
Including prenex mechanism for testing and trailing wheel adjusting mechanism 2, prenex mechanism for testing includes test cell 1 and centering adjustment unit, it is positive anterior that test cell 1 and centering adjustment unit are located at trailing wheel adjusting mechanism 2, centering adjustment unit is located at that the outside of test cell 1, test cell 1 and centering adjustment unit mirror image respectively are symmetrical is provided with two；Measuring unit 1 and trailing wheel adjusting mechanism 2 contact with the front-wheel of vehicle and the bottom surface of trailing wheel respectively.The wheel contact surface of test cell 1 and trailing wheel adjusting mechanism 2 is all concordant with ground, facilitates vehicle to sail in test zone.
Test cell 1 is the core institution of test toe-in angle, and each test cell 1 all includes measuring support frame 13, swinging mounting 18, support roller 14, displacement transducer 16 and angle driving lever 17.The top of swinging mounting 18 is provided with two support rollers being parallel to each other 14, at least one tugboat 14 connects has tugboat to drive assembly, support roller 14 is for contacting with vehicle front-wheel, and drive vehicle wheel rotation, at least one of which support roller 14 is active tugboat, in running, two support rollers 14 run simultaneously, it is possible to keep the even running of wheel.The bottom centre of swinging mounting 18 is connected with the bottom measuring support frame 13 by rotating shaft so that swinging mounting 18 can rotate around pin joint axle according to the actual situation of movement of wheel.The rear side of swinging mounting 18 is provided with angle driving lever 17, and the bottom surface measuring support frame 13 is provided with the displacement transducer 16 matched with angle driving lever 17.Angle driving lever 17 can swing along with the rotation of swinging mounting 18, and then the spacing change between displacement transducer 16 perception angle driving lever 17 and displacement transducer 16, can calculate, by this distance change, the angle that angle driving lever 17 rotates, and then draw the toe-in angle numerical value of vehicle.Preferably, tugboat drives assembly to be motor；Rotating shaft is bearing arrangement.
The outside of each test cell 1 is equipped with centering adjustment unit, is used for promoting wheel to move on mechanism for testing 1, makes front tyre align with mechanism for testing 1.Centering adjustment unit includes that centering rod 5, spring probe 6 and centering drive assembly 7, one end of centering rod 5 is provided with spring probe 6, spring probe 6 contacts with the lateral surface bottom front-wheel, the other end of centering rod 5 is connected by connecting plate 8 has centering to drive assembly 7, and centering drives assembly 7 to be connected with measuring support frame 13.Assembly 9 is driven to advance centering rod 5 by centering so that spring probe 6 contacts with wheel and promotes wheel, makes wheel position align.Two centering rods 5 should be retreated simultaneously, can synchronize to promote the wheel of both sides accurately, when wheel position is not positive when, first spring probe 6 on the centering rod of side can touch wheel, and wheel is promoted to middle part, until the spring probe page 6 of opposite side touches wheel, spring probe 6 sends pressure data to programmable logic controller (PLC), by judging the stressing conditions of two groups of spring probe 6, can reach to judge whether the purpose of centering, i.e. two groups spring probe 6 stressing conditions are consistent, then centering success.Centering drives assembly 7 can be leading screw, belt, rack-and-pinion, steel wire rope, chain or liquid gas pressure transmission etc., it is preferred that centering drives assembly 7 to be Driven by Hydraulic Cylinder assembly.
Above-mentioned centering adjustment unit ensures that the center of front-wheel aligns with the center of rotation of swinging mounting 18, in the process, swinging mounting 18 can rotate, the traffic direction making wheel is convergent with the traffic direction of support roller 14, until being completely superposed, under original state (not contacting with wheel), angle driving lever 17 is reserved in programmable logic controller (PLC) with the initial separation of displacement transducer 16, in test process, the shift length of angle driving lever 17 also is able to obtain, calculating by the distance parameter relevant to displacement, just can obtain the angle of front-wheel deflection, i.e. toe-in angle.
In order to improve the automaticity of device, facilitating operator to observe and operate, displacement transducer 16, tugboat drive assembly, spring probe 6, centering to drive assembly 7 and trailing wheel adjusting mechanism 2 to be all connected with programmable logic controller (PLC)
Further, in order to ensure that two centering rods can synchronize to retreat, improve the accuracy of centering, be additionally provided with forced synchronism between two centering adjustment units and adjust assembly.Forced synchronism adjusts assembly and includes that the steel wire rope 11 that two ends are connected with two connecting plates respectively, steel wire rope 11 are guided by pulley 12 tensioning.Steel wire rope 11 can centering when, to fail accurate synchronization advance connecting plate 8 draw, force it to simultaneously advance, so make centering rod 5 can forced synchronism advance.
Further, it is additionally provided with lifting brake assemblies between two described tugboats 14, lifting brake assemblies includes lifting brake block 15 and lifting brake drives assembly, lifting brake block 15 to be located at the top between tugboat 14, and it drives assembly to be connected with swinging mounting 18 by lifting brake.Lifting brake block 15 is located between two support rollers 14, can assist the turnover of vehicle.Lifting brake block 15 bottom is connected with swinging mounting 18 by lifting hydraulic cylinder, when vehicle to enter or to leave, lifting brake block 15 is angry at least concordant with support roller 14 upper surface position, facilitates the turnover of vehicle, prevents vehicle damage support roller 14 and swinging mounting 18.In order to improve the automaticity of device, lifting brake drives assembly to be connected with programmable logic controller (PLC).Preferably, lifting brake drives assembly to be hydraulic cylinder.Further, lifting brake block 15 bottom is additionally provided with baffle plate 29, prevents lifting brake block 15 excessive descent and contacts with tugboat 14, affects tugboat and run well.
Further, measuring support frame 13 is " recessed " shape framework, the inside of " recessed " shape framework is located at by tugboat 14, measure support frame 13 top and be additionally provided with for wheel being carried out the most spacing guide protrusions 39, it can carry out spacing stop to wheel, prevent vehicle sideslip when turnover from, to outside the region that support roller 14 supports, reducing the probability that other parts are impaired.
The side of swinging mounting 18 is additionally provided with return retaining mechanism, return retaining mechanism includes that lock sleeve 22, latch segment 21 and locking drive assembly 20, latch segment 21 is located at swinging mounting 18 side, front end is provided with lock projection, rear end drives assembly 20 to be connected with being located at the locking measured in support frame 13, the same side of swinging mounting 18 is provided with lock sleeve 22, and lock sleeve 22 is provided with the locking groove coordinated with lock projection.Return retaining mechanism can limit the rotational angle of swinging mounting 18, prevent the excessive range beyond displacement transducer 16 of swinging mounting 18 corner or damage displacement transducer 16, return retaining mechanism can also make swinging mounting 18 come back to original state and lock, go out car for tested vehicle and next car of detection is ready, concrete, when vehicle needs turnover, latch segment 21 pushes up to lock sleeve 22 under locking drives the drive of assembly 20, until lock projection is in close contact with locking groove, swinging mounting 18 is fixed；When needs are tested when, latch segment 21 departs from lock sleeve 22 under locking drives the drive of assembly 20, but lock sleeve 22 remains to touch latch segment 21 when swinging mounting 18 rotates, make swinging mounting 18 can rotate in the range of the restriction of latch segment 21, prevent swinging mounting 18 slewing area other parts of excessive damage.In order to improve the automaticity of device, locking drives assembly 20 to be connected with programmable logic controller (PLC).Preferably, locking drives assembly 20 to be cylinder.
Further, in order to prevent in vehicles while passing or test process, running out the way, wheel enters in the region between two test cells 1, protects the parts in this region, measures the relative inside upper part of support frame 13 for two and be additionally provided with safety guiding guardrail 23.
Further, in order to test cell 1 parts such as grade are protected, measure support frame 13 top further respectively have can coverage test unit 1 front shroud 37 above, front shroud 37 can be slidably connected with the top edge of swinging mounting 18, it is simple to opens and closes and loads and unloads.
Further, measure support frame 13 bottom and be additionally provided with wheel tread adjusting mechanism 4 so that two test cells 1 can be moved horizontally to spacing along the direction vertical with its mirror axis and match with vehicle front-wheel spacing, to adapt to the vehicle testing of different model, improve testing efficiency, reduce testing cost.Wheel tread adjusting mechanism 4 includes fixed mount 24, connects sheet 25 and wheelspan regulation driving assembly, fixed mount 24 top is provided with for connecting the connection sheet 25 measuring support frame 13, connecting sheet 25 bottom drives assembly 29 to be connected with wheelspan regulation, and is connected with fixed mount 24 by guide rail guide frame；Fixed mount 24 both sides are additionally provided with and drag rail 26 for lift test cell 1, drag rail 26 that test cell 1 can simultaneously work as the effect lifted and guide, it is simple to carry out spacing regulation accurately, also provide accommodation space for wheel tread adjusting mechanism 4.Under the drive that wheelspan regulation drives assembly 29, measuring support frame 13 and drive whole test cell 1 transverse shifting, fixed mount 24 effectively can drive assembly 29 to provide for wheelspan regulation and support so that it is stable operation.For improving the automaticity of device, wheelspan regulation drives assembly 29 to be connected with programmable logic controller (PLC).Wheelspan regulation drives assembly 29 can be leading screw, belt, rack-and-pinion, chain etc., and driving means can make motor or hydraulic pressure, pneumatic means etc., it is preferred that wheelspan regulation drives assembly 29 to be motor-driven Lead screw transmission structure.
Further, wheel tread adjusting mechanism 4 bottom is additionally provided with bracing frame 40, disposes this bracing frame 40 in ground in advance, for being supported test cell and wheel tread adjusting mechanism 4, and can facilitate the installation of each assembly.
Concrete, trailing wheel adjusting mechanism 2 matches with centering adjustment unit, respectively trailing wheel and the center position of front-wheel and vehicle attitude are adjusted, ensureing that vehicle front-wheel is corresponding with the center of rotation position of swinging mounting 18, it specifically includes trailing wheel adjusting mechanism 2 and includes that mobile table top 27 and the trailing wheel being connected with mobile table top 27 respectively ajust unit and trailing wheel mobile unit.Mobile table top 27 is rectangular mobile table top, and its width matches with the spacing of vehicle rear wheel, and the upper surface of mobile table top 27 is concordant with ground, and upper surface is additionally provided with the friction projection that can prevent rear wheels slip.Trailing wheel is ajusted unit and is included ajusting baffle plate 28 and synchronizing to ajust assembly, ajusts baffle plate 28 and has two be parallel to each other, is all located at top, mobile station face 27, and is connected with mobile table top 27 side slip, and its major axis is mutually perpendicular to the major axis of mobile table top 27；Synchronization is ajusted assembly and is located at mobile table top 27 bottom, and is connected by running through the connector of mobile table top 27 with ajusting baffle plate 28, synchronize ajust assembly can drive two ajust baffle plate 28 move along simultaneously table top 27 major axis direction motion；Mobile table top 27 side is provided with and accommodates the bar shaped pilot hole that connector slides.Trailing wheel mobile unit includes that the guide assembly being all located at bottom, mobile station face 27 and trailing wheel mobile unit drive assembly, and mobile moving integrally of table top 27 can be played guide effect by guide assembly.In order to improve the automaticity of device, synchronize to ajust assembly and trailing wheel mobile unit drives assembly to be all connected with programmable logic controller (PLC).The work purpose i.e. principle of trailing wheel adjusting mechanism 2 is similar with test cell 1, after vehicle rear wheel arrives on mobile table top 27, trailing wheel is in two outsides ajusting baffle plate 28, mobile table top 27 connects sheet 29 along trailing wheel regulation under the drive of trailing wheel regulation motor and moves, first move to trailing wheel and the front-wheel position substantially to it, subsequent start-up synchronizes to ajust assembly, control to ajust the outer side shifting to mobile table top 27 that baffle plate 28 synchronizes simultaneously, the baffle plate 28 of ajusting first touching wheel drives a rear wheel, another trailing wheel also and then rotates simultaneously, sense by ajusting the pressure transducer within baffle plate 28, until two stressing conditions ajusting baffle plate 28 are consistent, illustrate that rear wheel is ajusted.
Concrete, assembly is ajusted in synchronization can be with mobile table top 27 synchronizing moving, motor 32 is ajusted including synchronization, swing arm 33, connecting rod 34 and bearing rod 35, synchronization is ajusted motor 32 and is located at immediately below mobile table top 27, its output shaft is with to be located at the positive middle part Tong Bu ajusting the swing arm 33 above motor 32 affixed, one end with two connecting rods 34 respectively, the two ends of swing arm 33 is connected, the other end of two connecting rods 34 connects with the positive middle part being symmetrically set in the bearing rod 35 Tong Bu ajusting motor 32 both sides respectively, bearing rod 35 is located at immediately below mobile table top 27, and two ends are connected with the two ends ajusting baffle plate 28 by connector respectively.As shown in Figure 8, when the rotating shaft that motor 32 is ajusted in synchronization turns clockwise when, the two ends of swing arm 33 promote connecting rod 34 to be displaced outwardly, and then synchronization promotion is ajusted baffle plate 28 and moved laterally；Otherwise, when the rotating shaft that motor 32 is ajusted in synchronization rotates counterclockwise when, synchronize to pull to ajust baffle plate 28 to medial movement, it is achieved trailing wheel ensures location accurately and reliably, improve the accuracy tested.For improving the automaticity of device, synchronize to ajust motor 32 and be connected with programmable logic controller (PLC).
Further, in order to protect trailing wheel adjusting mechanism 2, mobile both sides, table top 27 top are additionally provided with the limit cover plate 36 that can cover mobile table top 17 above.Limit cover plate 36 can be connected with the boundary slip of mobile table top 27, it is simple to handling.
During use, lifting brake block 15 gives rise to the position concordant with ground, it is suitable with the front-wheel spacing of vehicle to be measured that wheel tread adjusting mechanism 4 regulates the spacing of two test cells 1, vehicle is left in test zone, vehicle front-wheel is made to lay respectively on the support roller 14 of two test cells 1, vehicle rear wheel is positioned on the mobile table top 27 of trailing wheel adjusting mechanism 1, is declined by lifting brake block 15 subsequently so that front-wheel is fully contacted with support roller 14.Subsequently, unclamp return retaining mechanism, start support roller 14, start centering adjustment unit and trailing wheel adjusting mechanism 2, the attitude of adjustment vehicle and front-wheel and the center position of trailing wheel, it is ensured that the center of vehicle front-wheel and the central alignment of swinging mounting 18 simultaneously.During adjustment, detected value is continually changing, and tester observes the numerical value of display on programmable logic controller (PLC), when, after numerical stability, being the detected value of toe-in, now front-wheel centering success, operate steadily.If detected value is not inconsistent with Production requirement, the toe-in angle of vehicle directly can be adjusted by testing staff according to detected value, until meeting design needs.After test stops, support roller 14 stops operating, and centering adjustment unit and trailing wheel adjusting mechanism 2 are all returned to initial position, return retaining mechanism locking swinging mounting 18, lifting brake block 15 rises lifts vehicle front-wheel, and detected vehicle sails out of detection region, completes a test period.
Should be noted that, owing to the toe-in value of two wheels is measured by two test cells 1 respectively, when the toe-in value test of two wheels is inconsistent or gap is bigger, test after centering adjustment unit centering can be reused, in order to be adjusted more accurately.
After using technique scheme, the simple in construction of device, easy to use, floor space is little, and uses dynamic measuring tech, and the precision measuring toe-in angle is high, and error is little, and repeatability is strong, is conducive to improving the efficiency that detection adjusts.
Claims (10)
1. a vehicle dynamic toe measurement device, it is characterized in that: include prenex mechanism for testing and trailing wheel adjusting mechanism (2), prenex mechanism for testing includes test cell (1) and centering adjustment unit, it is just anterior that test cell (1) and centering adjustment unit are located at trailing wheel adjusting mechanism (2), centering adjustment unit is located at the outside of test cell (1), test cell (1) and centering adjustment unit mirror image respectively is symmetrical is provided with two；Measuring unit (1) and trailing wheel adjusting mechanism (2) contact with the front-wheel of vehicle and the bottom surface of trailing wheel respectively；
Each described test cell (1) all includes measuring support frame (13), swinging mounting (18), support roller (14), displacement transducer (16) and angle driving lever (17), the top of swinging mounting (18) is provided with two support rollers being parallel to each other (14), at least one tugboat (14) connects has tugboat to drive assembly, the bottom centre of swinging mounting (18) is connected with the bottom measuring support frame (13) by rotating shaft, the rear side of swinging mounting (18) is provided with angle driving lever (17), measure support frame (13) and be provided with the displacement transducer (16) matched with angle driving lever (17)；
Described centering adjustment unit includes that centering rod (5), spring probe (6) and centering drive assembly (7), one end of centering rod (5) is provided with spring probe (6), spring probe (6) contacts with the lateral surface bottom front-wheel, and the other end of centering rod (5) is connected by connecting plate (8) has centering to drive assembly (7)；
Displacement transducer (16), tugboat drive assembly, spring probe (6), centering to drive assembly (7) and trailing wheel adjusting mechanism (2) to be all connected with programmable logic controller (PLC).
A kind of vehicle dynamic toe measurement device the most according to claim 1, it is characterized in that: be additionally provided with forced synchronism between two described centering adjustment units and adjust assembly, forced synchronism adjusts assembly and includes the steel wire rope (11) that two ends are connected with two connecting plates respectively, and steel wire rope (11) is guided by pulley (12) tensioning.
A kind of vehicle dynamic toe measurement device the most according to claim 1, it is characterized in that: between two described tugboats (14), be additionally provided with lifting brake assemblies, lifting brake assemblies includes lifting brake block (15) and lifting brake drives assembly, the top between tugboat (14) is located in lifting brake block (15), and it drives assembly to be connected with swinging mounting (18) by lifting brake；Lifting brake drives assembly to be connected with programmable logic controller (PLC).
A kind of vehicle dynamic toe measurement device the most according to claim 1, it is characterized in that: the side of described swinging mounting (18) is additionally provided with return retaining mechanism, return retaining mechanism includes that lock sleeve (22), latch segment (21) and locking drive assembly (20), latch segment (21) front end is provided with lock projection, rear end drives assembly (20) to be connected with being located at the locking measured in support frame (13), lock sleeve (22) is located at swinging mounting (18) side, and lock sleeve (22) is provided with the locking groove coordinated with lock projection；Locking drives assembly (20) to be connected with programmable logic controller (PLC).
A kind of vehicle dynamic toe measurement device the most according to claim 1, it is characterised in that: the relative inside upper part of two described measurement support frames (13) is additionally provided with safety and guides guardrail (23).
A kind of vehicle dynamic toe measurement device the most according to claim 1, it is characterised in that: described measurement support frame (13) top further respectively has can coverage test unit (1) front shroud (37) above.
A kind of vehicle dynamic toe measurement device the most according to claim 1, it is characterized in that: described measurement support frame (13) bottom is additionally provided with wheel tread adjusting mechanism (4), wheel tread adjusting mechanism (4) includes fixed mount (24), connects sheet (25) and wheelspan regulation driving assembly (29), fixed mount (24) top is provided with for connecting the connection sheet (25) measuring support frame (13), connects sheet (25) bottom and drives assembly to be connected with wheelspan regulation；Fixed mount (24) both sides are additionally provided with and drag rail (26) for lift test cell (1)；Wheelspan regulation drives assembly (29) to be connected with programmable logic controller (PLC).
A kind of vehicle dynamic toe measurement device the most according to claim 1, it is characterised in that: described trailing wheel adjusting mechanism (2) includes that mobile table top (27) and the trailing wheel being connected with mobile table top (27) respectively ajust unit and trailing wheel mobile unit；Mobile table top (27) is rectangular mobile table top；Trailing wheel is ajusted unit and is included ajusting baffle plate (28) and synchronizing to ajust assembly, ajust baffle plate (28) and there are two be parallel to each other, all it is located at mobile station face (27) top, and be connected with mobile table top (27) side slip, its major axis is mutually perpendicular to the major axis of mobile table top (27), synchronization is ajusted assembly and is located at mobile table top (27) bottom, and be connected with ajusting baffle plate (28), synchronize ajust assembly can drive two ajust baffle plate (28) move along simultaneously table top (27) major axis direction motion；Trailing wheel mobile unit includes that the guide assembly being all located at mobile station face (27) bottom and trailing wheel mobile unit drive assembly；Assembly is ajusted in synchronization and trailing wheel mobile unit drives assembly to be all connected with programmable logic controller (PLC).
nullA kind of vehicle dynamic toe measurement device the most according to claim 8，It is characterized in that: assembly is ajusted in described synchronization can be with mobile table top (27) synchronizing moving，Motor (32) is ajusted including synchronization、Swing arm (33)、Connecting rod (34) and bearing rod (35)，Synchronization is ajusted motor (32) and is located at immediately below mobile table top (27)，Its output shaft is affixed with the positive middle part being located at the swing arm (33) synchronization ajusting motor (32) top，One end with two connecting rods (34) respectively, the two ends of swing arm (33) is connected，The other end of two connecting rods (34) connects with the positive middle part being symmetrically set in the bearing rod (35) synchronization ajusting motor (32) both sides respectively，Bearing rod (35) is located at immediately below mobile table top (27)，And two ends are connected with the two ends ajusting baffle plate (28) by connector respectively；Synchronization is ajusted motor (32) and is connected with programmable logic controller (PLC).
A kind of vehicle dynamic toe measurement device the most according to claim 8, it is characterised in that: described mobile table top (27) both sides, top are additionally provided with the limit cover plate (36) that can cover mobile table top (17) above.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610637404.0A CN106017396B (en) | 2016-08-05 | 2016-08-05 | A kind of vehicle dynamic front beam measuring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482968A (en) * | 2016-10-26 | 2017-03-08 | 南京沃宇机电有限公司 | A kind of automobile tire fixture |
| CN109253890A (en) * | 2017-07-12 | 2019-01-22 | 上海宝钢工业技术服务有限公司 | Bridge positioning adjustment device before large-sized truck double steering |
| CN110308429A (en) * | 2019-05-14 | 2019-10-08 | 一汽轿车股份有限公司 | A kind of method and apparatus of millimetre-wave radar producing line calibration |
| CN113945133A (en) * | 2021-09-01 | 2022-01-18 | 杭州电子科技大学 | Rugby measuring device with automatic correction function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121504A (en) * | 1998-10-12 | 2000-04-28 | Nissan Altia Co Ltd | Wheel alignment measuring device |
| CN1782686A (en) * | 2004-12-01 | 2006-06-07 | 彭圣普 | Regulating instrument and its regulating method for dynamic front beam |
| CN201697790U (en) * | 2010-06-24 | 2011-01-05 | 深圳市安车检测技术有限公司 | Toe-in platform measuring system |
| CN103149037A (en) * | 2013-03-22 | 2013-06-12 | 吉林大学 | Multiple-degree-of-freedom suspension K&C (kinematics & compliance) property test platform |
| CN104215464A (en) * | 2014-09-23 | 2014-12-17 | 林武 | General wheel location detecting set and detecting method thereof |
| CN204286818U (en) * | 2014-12-26 | 2015-04-22 | 宝克（无锡）测试设备有限公司 | The centralising device of auto Test Platform four-wheel position finder |
| CN206056560U (en) * | 2016-08-05 | 2017-03-29 | 石家庄华燕交通科技有限公司 | A kind of vehicle dynamic front beam measurement apparatus |
-
2016
- 2016-08-05 CN CN201610637404.0A patent/CN106017396B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000121504A (en) * | 1998-10-12 | 2000-04-28 | Nissan Altia Co Ltd | Wheel alignment measuring device |
| CN1782686A (en) * | 2004-12-01 | 2006-06-07 | 彭圣普 | Regulating instrument and its regulating method for dynamic front beam |
| CN201697790U (en) * | 2010-06-24 | 2011-01-05 | 深圳市安车检测技术有限公司 | Toe-in platform measuring system |
| CN103149037A (en) * | 2013-03-22 | 2013-06-12 | 吉林大学 | Multiple-degree-of-freedom suspension K&C (kinematics & compliance) property test platform |
| CN104215464A (en) * | 2014-09-23 | 2014-12-17 | 林武 | General wheel location detecting set and detecting method thereof |
| CN204286818U (en) * | 2014-12-26 | 2015-04-22 | 宝克（无锡）测试设备有限公司 | The centralising device of auto Test Platform four-wheel position finder |
| CN206056560U (en) * | 2016-08-05 | 2017-03-29 | 石家庄华燕交通科技有限公司 | A kind of vehicle dynamic front beam measurement apparatus |
Non-Patent Citations (1)
| Title |
|---|
| 高献奎: "四轮定位仪与前束调整台的应用", 《汽车维修与保养》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482968A (en) * | 2016-10-26 | 2017-03-08 | 南京沃宇机电有限公司 | A kind of automobile tire fixture |
| CN106482968B (en) * | 2016-10-26 | 2018-09-28 | 南京沃宇机电有限公司 | A kind of automobile tire fixture |
| CN109253890A (en) * | 2017-07-12 | 2019-01-22 | 上海宝钢工业技术服务有限公司 | Bridge positioning adjustment device before large-sized truck double steering |
| CN110308429A (en) * | 2019-05-14 | 2019-10-08 | 一汽轿车股份有限公司 | A kind of method and apparatus of millimetre-wave radar producing line calibration |
| CN113945133A (en) * | 2021-09-01 | 2022-01-18 | 杭州电子科技大学 | Rugby measuring device with automatic correction function |
| CN113945133B (en) * | 2021-09-01 | 2024-05-14 | 杭州电子科技大学 | Rugby measuring device with automatic correction function |
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