CN110281172A - For determining 3 fixtures of tire three-dimensional posture - Google Patents
For determining 3 fixtures of tire three-dimensional posture Download PDFInfo
- Publication number
- CN110281172A CN110281172A CN201910581629.2A CN201910581629A CN110281172A CN 110281172 A CN110281172 A CN 110281172A CN 201910581629 A CN201910581629 A CN 201910581629A CN 110281172 A CN110281172 A CN 110281172A
- Authority
- CN
- China
- Prior art keywords
- fixtures
- wall surface
- tire
- connecting plate
- type connecting
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- 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
- G01M17/02—Tyres
Abstract
3 fixtures that the invention discloses a kind of for determining tire three-dimensional posture characterized by comprising surround same central point, three groups of clamping joints being arranged between each other at hexagonal angle degree；For driving the driving mechanism of three groups of clamping joint synchronization telescopes；It is used to support the support frame of driving mechanism, the support frame includes a center base and three groups of operation guide rails for being evenly arranged on center base outer periphery, the clamping joint is socketed on corresponding operation guide rail, and the driving mechanism then packet driving gear set and connect with driving gear set and for clamping joint stretch lead screw.Fixture of the present invention is by way of 3 points of clampings, it can effectively avoid 4 points of clampings and be easy to cause the problem that the confirmation of wheel rim central point is inaccurate, deviation is big, precision is low, and the present invention is arranged by the special construction of clamping joint, can simultaneously the different types of wheel rim of clamping, increase the scope of application, pass through compensation block simultaneously, it is ensured that the precision of fixture 3 d pose.
Description
Technical field
The present invention relates to a kind of 3 fixtures, and in particular to a kind of three for determining tire three-dimensional posture fixture belongs to
In automobile tire detection device technical field.
Background technique
The fixture used when traditional wheel alignment is all the modes of 4 points of clampings, and four claws snap into the rim bead of wheel
On edge, lead screw is driven to move up and down up and down arm to locking fixture by rotation knob, four claws are in the edge of rim
On four contact points formed a rectangle may be produced when locking fixture since rectangle is a unstable shape
Change shape, and the deformation of fixture will affect measurement result when doing four-wheel aligner, causes that measured deviation is big, precision is low.
Summary of the invention
To solve the deficiencies in the prior art, the use that the purpose of the present invention is to provide a kind of structures is simple, measurement accuracy is high
In 3 fixtures for determining tire three-dimensional posture.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
For determining 3 fixtures of tire three-dimensional posture, comprising:
Around same central point, three groups of clamping joints being arranged between each other at hexagonal angle degree, for realizing synchronous three to wheel rim
Point clamping or clamping, location of the core are accurate；
For driving the driving mechanism of three groups of clamping joint synchronization telescopes；
It is used to support the support frame of driving mechanism, forms the integral frame structure of 3 fixtures,
The support frame includes a center base and three groups of operation guide rails for being evenly arranged on center base outer periphery, clamping joint socket
On corresponding operation guide rail, and driving mechanism then includes driving gear set and connect with driving gear set and is used to be clamped
The flexible lead screw of head.
Specifically: above-mentioned clamping joint includes " L " type connecting plate and a cylindricality clamp, the vertical walls of " L " type connecting plate
Face is set in simultaneously on operation guide rail and lead screw, and lateral wall surface is then located at the lower part of guide rail, and the cylindricality clamp is scalable
Ground is vertically installed in the through-hole of the lateral wall surface of " L " type connecting plate.
And in order to be further compensate for the contact gap of the lateral wall surface of " L " type connecting plate and wheel rim, above-mentioned " L " type connection
The lower part of the lateral wall surface of plate is additionally provided with dismountable compensation block, and the transverse wall of the compensation block and " L " type connecting plate
The second through-hole of a settable cylindricality clamp is collectively formed in face, to further realize the clamping range of cylindricality clamp.
In addition, the head end of above-mentioned cylindricality clamp is provided with the bayonet for being clamped the edge of rim, the cylinder of cylindricality clamp
On in caudal part and nearly bayonet end be each formed with annular slot, circlip is provided in annular slot, cylindricality clamp passes through tail end
Circlip limits on the lateral wall surface of " L " type connecting plate, and between the lateral wall surface of " L " type connecting plate and the circlip at nearly bayonet end
Cylinder on be provided with spring.
Above-mentioned bayonet include outer end bayonet for being inwardly clamped from wheel rim outer edge and for from wheel rim inward flange to
The inside bayonet of outer top clip.
In order to realize that the stretching motion of clamping joint, above-mentioned vertical wall surface are connected by setting nut in through-hole and lead screw cooperation
Fetch realization.
And in order to further strengthen the stability of clamping joint operation, guide flat is additionally provided on above-mentioned " L " type connecting plate
Weigh plate, and the vertical wall surface of the guiding balance plate and " L " type connecting plate is arranged in parallel, and is socketed on operation guide rail simultaneously.
Further, above-mentioned gear drive group includes a tapered centre gear wheel, one for driving tapered centre canine tooth
Take turns the bevel drive shape gear of rotation；Three engage and be evenly arranged on tapered centre gear wheel tapered centre canine tooth wheel periphery from
Dynamic bevel pinion, the lead screw are the output shaft of driven bevel pinion, and the axle center of the tapered centre gear wheel
It is consistent with the center of center base.
In addition, every group of operation guide rail is arranged in parallel with two, three-legged structure is collectively formed in two guide rails and lead screw, further
Enhance the stability of clamping joint operation and the stability of fixture itself.
The end of above-mentioned operation guide rail and lead screw is additionally provided with support limit plate, and the lead screw rotary setting is in support
In the through-hole of limit plate, and the lower part of the support limit plate is also provided with the U-shaped opening of evacuation cylindricality clamp, and described is U-shaped
The height of opening is greater than the length that cylindricality clamp is higher by the lateral wall surface of " L " type connecting plate under compression.
The invention has the beneficial effects that: fixture of the present invention can effectively avoid at 4 points by way of 3 points of clampings
Clamping be easy to cause the problem that the confirmation of wheel rim central point is inaccurate, deviation is big, precision is low, and the present invention passes through the special knot of clamping joint
Structure setting, can simultaneously the different types of wheel rim of clamping, increase the scope of application, while passing through compensation block, it is ensured that fixture
The precision of 3 d pose.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the invention；
Fig. 2 is the structural schematic diagram of gear drive group of the present invention；
Fig. 3 is the structural scheme of mechanism one of clamping joint of the present invention；
Fig. 4 is the structural scheme of mechanism two of clamping joint of the present invention；
Fig. 5 is the structural schematic diagram of cylindricality clamp of the present invention.
The meaning of appended drawing reference in figure:
0, tire 1, clamping joint 2, support frame 3, driving mechanism
11, " L " type connecting plate 12, guiding balance plate 13, cylindricality clamp
111, lateral wall surface 14, outer end bayonet 15, inside bayonet
16, annular slot 17, circlip 18, spring
19, compensation block 20, link block 21, center base
22, guide rail 23, support limit plate 31, lead screw are run
32, tapered centre gear wheel 33, bevel drive shape gear 34, driven bevel pinion.
Specific embodiment
Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.
Embodiment
Fig. 1 is a kind of structural schematic diagram of embodiment of the invention.
As shown in Figure 1: for determining 3 fixtures of tire three-dimensional posture, including around same central point, between each other
Three groups of clamping joints 1 being arranged at hexagonal angle degree, for driving the driving mechanism 3 of three groups of 1 synchronization telescopes of clamping joint and for branch
Support the support frame 2 of driving mechanism.
Specifically: support frame 2 includes a center base 21 and three groups of operation guide rails for being evenly arranged on 21 outer periphery of center base
22, every group of operation guide rail 22 is arranged in parallel with two, and the end of two operation guide rails 22 is additionally provided with support limit plate 23, is used for
Run 22 end of guide rail support, operation guide rail 22 end can be fixedly connected with support limit plate 23, clamping joint 1 be socketed in and
On its corresponding operation guide rail 22.
Fig. 2 is the structural schematic diagram of gear drive group of the present invention.
As shown in Figure 2: driving mechanism 3 includes driving gear set and connect with driving gear set and stretch for clamping joint 1
Lead screw 31, specifically: gear drive group includes a tapered centre gear wheel 32, one for driving 32 turns of tapered centre gear wheel
Dynamic bevel drive shape gear 33；Three are engaged with tapered centre gear wheel 32 and are evenly arranged on 32 periphery of tapered centre gear wheel
Driven bevel pinion 34, lead screw 31 be driven bevel pinion 34 output shaft, and the axle center of tapered centre gear wheel 32 with
The center of center base 21 is consistent.That is central point of the central point of center base 21 for fixture of the present invention, three groups of clamping joints 1
It is dot along radial direction synchronization telescope using central point.Equally, the end rotary setting of lead screw 31 is in support limit plate 23
In through-hole, and three-legged structure is collectively formed in the two operation guide rails 22 and a lead screw 31 in every group, to further enhance support
The stability of stability and clamping joint 1 operation of frame 2.
Fig. 3 is the structural scheme of mechanism one of clamping joint of the present invention；Fig. 4 is that the mechanism of clamping joint of the present invention shows
It is intended to two.
As shown in Figure 3 and Figure 4: clamping joint 1 includes " L " type connecting plate 11, one guiding balance plate 12 and a cylindricality clamp
13, the vertical wall surface and guiding balance plate 12 of " L " type connecting plate 11 are arranged in parallel, and are set in operation guide rail 22 and lead screw simultaneously
On 31, the vertical wall surface of " L " type connecting plate 11 is cooperatively connected by the way that nut and lead screw 31 are arranged in through-hole, Lai Shixian clamping joint
1 stretching motion further strengthens the stability of the operation of clamping joint 1, and lateral wall surface 111 is then located under operation guide rail 22
Portion, cylindricality clamp 13 are telescopically vertically installed in the through-hole of the lateral wall surface 111 of " L " type connecting plate 11.And in order into one
The lateral wall surface 111 of step compensation " L " type connecting plate 11 and the contact gap of wheel rim, the lower part of lateral wall surface 111 is additionally provided with can
The compensation block 19 of disassembly, and a settable cylindricality clamp 13 is collectively formed in the lateral wall surface 111 of compensation block 19 and " L " type connecting plate
The second through-hole, to further realize the clamping range of cylindricality clamp 13, in the present embodiment, first in lateral wall surface 111
A link block 20 is fixed in lower part, which forms guide rail shape card slot, and 19 surface of compensation block then forms drawer-like, with
The mode of pull is removable installed on link block 20, and link block 20, compensation block 19 and lateral wall surface 111 are in corresponding position
The second through-hole is formed, for fixing cylindricality clamp 13, because the second through-hole is in the outer end of through-hole, change cylindricality clamp 13
Position, and then can expand can clamping wheel rim diameter range.
And in order to avoid cylindricality clamp 13, evacuation the U-shaped of cylindricality clamp 13, which is also provided with, in the lower part of support limit plate 23 opens
Mouthful, the height of U-shaped opening is greater than the length that cylindricality clamp 13 is higher by the lateral wall surface 111 of " L " type connecting plate 11 under compression
Degree realizes that cylindricality clamp 13 can be transferred through support limit plate 23 under any state, ensure that the clamping range of fixture.
Fig. 5 is the structural schematic diagram of cylindricality clamp of the present invention.
As shown in Figure 5: the head end of cylindricality clamp 13 is provided with the bayonet for being clamped the edge of rim, and bayonet is provided with two
A, one for the outer end bayonet 14 that is inwardly clamped from wheel rim outer edge and for the inside card from the outside top clip of wheel rim inward flange
Mouthfuls 15, annular slot 16, setting in annular slot 16 are each formed in caudal part and nearly bayonet end on the cylinder of cylindricality clamp 13
There is circlip 17, cylindricality clamp 1 is limited on the lateral wall surface 111 of " L " type connecting plate 11 by the circlip 17 of tail end, and " L " type
Spring 18 is provided on cylinder between the lateral wall surface 111 of connecting plate 11 and the circlip 17 at nearly bayonet end.
Process for using of the invention are as follows: outer end buckle 14 or inside buckle 15 are selected according to the edge type of wheel rim, determined
After good, through-hole or the second through-hole are selected according to the diameter of wheel rim, bevel drive shape gear 33 is then rotated by motor or manually,
Bevel drive shape gear 33 drives tapered centre gear wheel 32 to rotate, and tapered centre gear wheel 32 drives three driven fine taper teeth
34 rotation of wheel, if it is top outward is needed, then driven bevel pinion 34 drives clamping joint 1 to move out, until inside bayonet 15
It holds out against from wheel rim inward flange, on the contrary, then driven bevel pinion 34 drives clamping joint 1 inwardly to move, until 14 clamping of outer end bayonet
Wheel rim outer edge presses down on center base 21 during fastening, then under the action of shear force, spring 18 compresses, card
The lateral wall surface 111 of connector 1 and the outside face contact of wheel rim, and the lateral wall surface in the lateral surface of wheel rim injustice, with clamping joint 1
When occurring gap between 111, it is packed into compensation block 19, at this point, the decrement of spring 18 is centainly less than maximum decrement.It is complete
At quick, the precise positioning of tire three-dimensional posture.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation
Technical solution is fallen within the scope of protection of the present invention.
Claims (10)
1. for determining 3 fixtures of tire three-dimensional posture characterized by comprising
Around same central point, between each other at three groups of clamping joints of hexagonal angle degree setting；
For driving the driving mechanism of three groups of clamping joint synchronization telescopes；
It is used to support the support frame of driving mechanism,
The support frame includes a center base and three groups of operation guide rails for being evenly arranged on center base outer periphery, the clamping
Head is socketed on corresponding operation guide rail, and the driving mechanism then includes driving gear set and connects with driving gear set
The lead screw for connecing and stretching for clamping joint.
2. according to claim 1 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that the clamping
Head includes " L " type connecting plate and a cylindricality clamp, and the vertical wall surface of " L " type connecting plate is set in operation guide rail and lead screw simultaneously
On, and lateral wall surface is then located at the lower part of guide rail, the cylindricality clamp is telescopically vertically installed in the cross of " L " type connecting plate
Into the through-hole of wall surface.
3. according to claim 1 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that " L "
The lower part of the lateral wall surface of type connecting plate is additionally provided with dismountable compensation block, and the compensation block and " L " type connecting plate
The second through-hole of a settable cylindricality clamp is collectively formed in lateral wall surface.
4. according to claim 2 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that the cylindricality
The head end of clamp is provided with the bayonet for being clamped the edge of rim, in caudal part and the nearly equal shape in bayonet end on the cylinder of cylindricality clamp
At there is annular slot, circlip is provided in annular slot, cylindricality clamp limits the cross in " L " type connecting plate by the circlip of tail end
Spring is provided on wall surface, and on the cylinder between the lateral wall surface of " L " type connecting plate and the circlip at nearly bayonet end.
5. according to claim 2 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that the bayonet
Including the outer end bayonet for being inwardly clamped from wheel rim outer edge and for the inside bayonet from the outside top clip of wheel rim inward flange.
6. according to claim 2 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that described is vertical
Wall surface is cooperatively connected by setting nut in through-hole and lead screw.
7. according to claim 2 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that " L "
Guiding balance plate is additionally provided on type connecting plate, the vertical wall surface of the guiding balance plate and " L " type connecting plate is arranged in parallel,
And it is socketed on operation guide rail simultaneously.
8. according to claim 1 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that the gear
Transmission group includes a tapered centre gear wheel, one for driving the bevel drive shape gear of tapered centre bull gear drive；Three
Engage and be evenly arranged on the driven bevel pinion of tapered centre canine tooth wheel periphery with tapered centre gear wheel, the lead screw be from
The output shaft of dynamic bevel pinion, and the axle center of the tapered centre gear wheel is consistent with the center of center base.
9. according to claim 1 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that every group of operation is led
Rail is arranged in parallel with two, and three-legged structure is collectively formed in two guide rails and lead screw.
10. according to claim 2 for determining 3 fixtures of tire three-dimensional posture, which is characterized in that the fortune
The end of row guide rail and lead screw is additionally provided with support limit plate, the lead screw rotary setting in the through-hole of support limit plate,
And the lower part of the support limit plate is also provided with the U-shaped opening of evacuation cylindricality clamp, the height of the U-shaped opening is greater than column
Shape clamp is higher by the length of the lateral wall surface of " L " type connecting plate under compression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581629.2A CN110281172A (en) | 2019-06-30 | 2019-06-30 | For determining 3 fixtures of tire three-dimensional posture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581629.2A CN110281172A (en) | 2019-06-30 | 2019-06-30 | For determining 3 fixtures of tire three-dimensional posture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110281172A true CN110281172A (en) | 2019-09-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910581629.2A Pending CN110281172A (en) | 2019-06-30 | 2019-06-30 | For determining 3 fixtures of tire three-dimensional posture |
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| Country | Link |
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| CN (1) | CN110281172A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218561A (en) * | 2021-06-07 | 2021-08-06 | 奇瑞商用车（安徽）有限公司 | Device for quickly measuring dragging torque of automobile brake |
-
2019
- 2019-06-30 CN CN201910581629.2A patent/CN110281172A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113218561A (en) * | 2021-06-07 | 2021-08-06 | 奇瑞商用车（安徽）有限公司 | Device for quickly measuring dragging torque of automobile brake |
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