CN108195602A - A kind of vehicle hub alternation tangential stress test equipment - Google Patents
A kind of vehicle hub alternation tangential stress test equipment Download PDFInfo
- Publication number
- CN108195602A CN108195602A CN201810144718.6A CN201810144718A CN108195602A CN 108195602 A CN108195602 A CN 108195602A CN 201810144718 A CN201810144718 A CN 201810144718A CN 108195602 A CN108195602 A CN 108195602A
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- China
- Prior art keywords
- torsion
- swing rod
- wheel hub
- rod
- torsion bar
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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
-
- 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
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention provides a kind of vehicle hub alternation tangential stress test equipments.The present invention includes motor,Retarder,Sheave,Annular groove,First roller,Second roller,Roller bracket,First torsion transmits swing rod,Second torsion transmits swing rod,Left compressed spring,Right compressed spring,First torsion transmits swing rod resistance side pressure contracting spring base,Second torsion transmits swing rod resistance side pressure contracting spring base,The left compressed spring seat of wheel hub torsion bar,The right compressed spring seat of wheel hub torsion bar,Wheel hub torsion bar,The roller is placed in the sheave,The sheave drives two rollers to be moved in slot,Realize side-to-side movement,The roller connects the torsion and transmits swing rod,Two torsion transmit swing rod and are swung by the center of circle of fulcrum,Leading portion is caused to transmit an alternating force to the compressed spring,Power is passed to wheel hub by compressed spring by the wheel hub torsion bar,Wheel hub can thus be simulated in vehicle launch,The situation by alternation tangential stress when movement and brake.
Description
Present patent application is divisional application.The application number of original bill is：201610600609.1 the applying date is：2016
On July 27, in, denomination of invention are：A kind of vehicle hub alternation tangential stress test equipment.
Technical field
The present invention relates to a kind of test equipment of vehicle hub stress more particularly to a kind of vehicle hub alternations tangentially should
Power test equipment.
Background technology
With social development, vehicle has become the tool that people mainly go on a journey, the safety of vehicle and the people of people
Body is closely bound up safely, and critical piece of the wheel hub as vehicle, bears whole gravity of full vehicle and also speed is not
With the various power of alternation variation that, road conditions are different and generate, the power of this gravity and alternation variation can lead to the unexpected of wheel hub
Fracture and fatigue fracture, for wheel hub once damaging, vehicle will fall damage, and damage and threat to life will occur for the person.
Patent of invention application No. is 201410497095.2 provides a kind of hub unit static strength experiment instrument, passes through
Simulation can test out the dead load endurance of hub unit reality.Wheel hub bears energy when the equipment can only test out static state
Power, and the ability to bear of the wheel hub in motion process can not then be tested out.
Invention content
The problem of being unable to wheel hub ability to bear in simulation test motion process for the prior art, the present invention provide a kind of
Vehicle hub alternation tangential stress test equipment, the equipment are the stress shapes of simulating vehicle wheel hub when starting, moving and braking
State can test out ability to bear of the wheel hub when starting, moving and braking.
To achieve the above object, technical scheme is as follows：
A kind of vehicle hub alternation tangential stress test equipment is stood including sheave, the first roller, the second roller, first
Column, the second column, the first torsion transmit swing rod, the second torsion transmits swing rod, left compressed spring, right compressed spring, the first torsion
Transmit swing rod resistance side pressure contracting spring base, the second torsion transmits swing rod resistance side pressure contracting spring base, the left compressed spring of wheel hub torsion bar
Seat, the right compressed spring seat of wheel hub torsion bar, wheel hub torsion bar, clamping wheel hub pawl, clamping device, mounting platform and driving device；
The annular groove with sheave center of circle concentric is provided on the sheave, the band keyway circular hole that sheave is equipped with
The center of circle of sheave is misaligned, and there are one eccentricities；
The driving device driving sheave is rotated with the center of circle with keyway circular hole；
Second torsion transmits swing rod and the first torsion transmits the left and right sides that swing rod is separately positioned on wheel hub torsion bar；
First torsion transmits swing rod and the first column is rotatablely connected, and the first column is fixedly connected with mounting platform, the
Two torsion transmit swing rod and the second column is rotatablely connected, and the second column is fixedly connected with mounting platform；
First torsion transmits swing rod tail end and is connected with the first roller, and the first roller is placed in annular groove, the
Two torsion transmit swing rod tail end and are connected with the second roller, and the second roller is placed in annular groove；
The clamping wheel hub pawl is securely connected with wheel hub spoke；
The wheel hub torsion bar is fixedly connected with clamping wheel hub pawl；
Second torsion transmits swing rod resistance side pressure contracting spring base, the first torsion transmits swing rod resistance end compressed spring
Seat is separately positioned on the left and right sides of wheel hub torsion bar, and the first torsion transmits swing rod resistance side pressure contracting spring base and the first torsion passes
Swing rod rotation connection is passed, the second torsion transmits swing rod resistance side pressure contracting spring base and the second torsion transmits swing rod rotation connection；
The left compressed spring seat of the wheel hub torsion bar, the right compressed spring seat of wheel hub torsion bar are separately positioned on the wheel hub torsion bar
On the right left two sides of tail end；
The left compressed spring is set in the axle portion of the left compressed spring seat of wheel hub torsion bar simultaneously and the first torsion transmits swing rod
In the axle portion of resistance side pressure contracting spring base, right compressed spring is set in the axle portion of the right compressed spring seat of wheel hub torsion bar and the simultaneously
Two torsion are transmitted in the axle portion of swing rod resistance side pressure contracting spring base；
The clamping device and the tire contact plane of wheel hub closely match clamping, the clamping device and installation with the shape
Platform is fixedly connected.
Further, the clamping device includes grip block, clamping block is held, clamping device upper stand, framework platform
With clamping device lower framework stent, the clamping block is held closely to match clamping with the shape with the tire contact plane of wheel hub, institute
Grip block is stated to hold through bolt realization connection, clamping device upper stand, framework platform, clamping device lower part with clamping block
Rack shelf is sequentially connected from top to bottom by screw, and clamping device lower framework stent is fixedly connected with the mounting platform.
Further, the driving device includes motor and retarder；
The motor is fixed on the mounting surface of mounting platform, and the output shaft of motor is by shaft coupling with subtracting
The input axis connection of fast device, the output axis connection with keyway circular hole and retarder on sheave, retarder are fixed at described
On mounting platform mounting surface；
The vehicle hub alternation tangential stress test equipment further includes roller bracket；
First torsion transmits swing rod tail end and is connected by the first roller bracket with first roller, the first rolling
Son is placed in the annular groove of sheave, and second torsion transmits swing rod tail end and passes through the second roller bracket and the second roller
It is connected, the second roller is placed in the annular groove of sheave.
Further, first torsion transmits swing rod resistance side pressure contracting spring base, the second torsion transmits swing rod resistance end
Be respectively arranged with the first guide rod, the second guide rod in compressed spring seat, first guide rod, the second guide rod respectively with the wheel hub
The hole portion that the left compressed spring seat of torsion bar, the right compressed spring seat of wheel hub torsion bar are both provided with corresponds and the diameter value of hole portion
It is to be subject to when moving with the first guide rod, the second guide rod not interfere.
Further, the lower part of the clamping wheel hub pawl is provided with downward conical boss, the conical boss with it is described
It is concentric to clamp wheel hub pawl.
Further, it is provided with column connecting rod between first column and the second column.
Further, the grip block has three pieces, respectively includes grip block one, grip block two, grip block three, the folder
It holds block and has held three pieces, respectively include that clamping block holds one, clamping block holds two, clamping block and holds three, the grip block and institute
It states clamping block and holds one-to-one correspondence, the entirety that the grip block holds composition with the clamping block is evenly distributed on wheel hub surrounding.
Further, the wheel hub torsion bar lower part is provided with the first supporting mechanism, and first supporting mechanism includes wheel hub
Torsion bar downslide bearing connecting rod, wheel hub torsion bar downslide support shaft, wheel hub torsion bar bearing with spherical outside surface and wheel hub torsion bar downslide fulcrum bearing,
It is sequentially connected from top to bottom, the wheel hub torsion bar downslide fulcrum bearing is fixed at mounting platform upper surface, and wheel hub torsion bar glides
Bearing connecting rod, wheel hub torsion bar downslide support shaft, wheel hub torsion bar bearing with spherical outside surface are installed in above mounting platform, the wheel hub
Torsion bar downslide bearing connecting rod is fixedly connected with the wheel hub torsion bar lower part by articulation screw；
First torsion transmits swing rod lower part and is provided with the second supporting mechanism, and second supporting mechanism includes first
Torsion transmits swing rod downslide bearing connecting rod, the first torsion transmits swing rod downslide support shaft, the first torsion transmits swing rod spherical outside surface axis
It holds and transmits swing rod downslide fulcrum bearing with the first torsion, be sequentially connected from top to bottom, first torsion transmits swing rod downslide bearing
Seat is fixed at mounting platform upper surface, and the first torsion transmits swing rod downslide bearing connecting rod, the first torsion transmits swing rod and glides
Support shaft, the first torsion transmit swing rod bearing with spherical outside surface and are installed in above mounting platform, and first torsion is transmitted under swing rod
The lower part that sliding bearing connecting rod transmits swing rod with first torsion is fixedly connected by articulation screw；
Second torsion transmits swing rod lower part and is provided with third supporting mechanism, and the third supporting mechanism includes second
Torsion transmits swing rod downslide bearing connecting rod, the second torsion transmits swing rod downslide support shaft, the second torsion transmits swing rod spherical outside surface axis
It holds and transmits swing rod downslide fulcrum bearing with the second torsion, be sequentially connected from top to bottom, second torsion transmits swing rod downslide bearing
Seat is fixed at mounting platform upper surface, and the second torsion transmits swing rod downslide bearing connecting rod, the second torsion transmits swing rod and glides
Support shaft, the second torsion transmit swing rod bearing with spherical outside surface and are installed in above mounting platform, and second torsion is transmitted under swing rod
The lower part that sliding bearing connecting rod transmits swing rod with second torsion is fixedly connected by articulation screw.
Further, the clamping device is provided with lifting mechanism, and the lifting mechanism includes wheel hub pallet, left slip
Guide post, right sliding guide column, front slide guide post, rear sliding guide column, left sliding guide column linear bearing seat, right sliding guide column linear axis
Bearing, front slide guide post linear bearing seat, rear sliding guide column linear bearing seat, screw rod, self-lubricating ball head spherical plain bearing rod end,
Screw rod smooth part linear bearing seat, fixing nut and locking nut, the screw rod axial line and wheel hub pallet center of circle weight
It closes, is connected between the two using self-lubricating ball head spherical plain bearing rod end realization, the screw rod and the screw rod smooth part
Linear bearing seat connects, and the screw rod smooth part linear bearing seat is fixed at the framework platform upper surface, the left side
Sliding guide column, right sliding guide column, front slide guide post, rear sliding guide column and left sliding guide column linear bearing seat, right sliding guide column are straight
Spool bearing, front slide guide post linear bearing seat, rear sliding guide column linear bearing seat, correspond and connect respectively, described
Left sliding guide column, right sliding guide column, front slide guide post, rear sliding guide column be evenly distributed on the surrounding of the screw rod and with it is described
Wheel hub pallet is fixedly connected, and the left sliding guide column linear bearing seat, right sliding guide column linear bearing seat, front slide guide post are straight
Spool bearing, rear sliding guide column linear bearing seat are fixed at the framework platform upper surface, the locking nut and installation
Platform is fixedly connected and is threadedly coupled with the screw flight portion, and the locking nut is connect with the screw flight, described
Screw rod tail end is provided with rolled round.
Through the above technical solutions, the present invention has the advantages that：
1st, the present invention realizes full analogue simulation test, and equipment operation is durable and safe and reliable；
2nd, the present invention is suitable for all vehicle hub forces testings, and test scope is wide；
3rd, the present invention can select and adjust compression spring parameter according to the wheel hub force request of different size, to obtain
Obtain corresponding tangential force；
4th, compressed spring is replaced convenient；
5th, in current wheel hub test, there is no full analogue simulation test, test method of the invention can be used as wheel
One of new method of hub test, and the critical mark of the ability to bear when starting, running and braking of wheel hub can be established according to this
Standard, the intensity of wheel hub can quantify rather than qualitative guidance manufacture, and new motive force is brought for industry.
Description of the drawings
Fig. 1 is the vertical view a of vehicle hub alternation tangential stress test equipment.
Fig. 2 is the vertical view b of vehicle hub alternation tangential stress test equipment.
Fig. 3 is the front view of vehicle hub alternation tangential stress test equipment.
Fig. 4 is the rearview of vehicle hub alternation tangential stress test equipment.
Fig. 5 is the left view of vehicle hub alternation tangential stress test equipment.
Fig. 6 is the symmetrical sectional view B-B of vehicle hub alternation tangential stress test equipment clamping device main view.
Fig. 7 is the symmetrical sectional view A-A of vehicle hub alternation tangential stress test equipment clamping device backsight.
Fig. 8 is the symmetrical section view diagram of pilot centering of clamping wheel hub pawl in vehicle hub alternation tangential stress test equipment
It is intended to.
Reference sign：
The second torsion of 1-- motor 2-- retarder 3-- sheave 4-- annular grooves 5-- transmits swing rod 6-- first and turns round
Power transmits swing rod 7-- roller brackets 8-- the second roller 9-- the first roller 10-- the second column the first columns of 11--
12-left compressed spring 121-right compressed spring the 14-the second column of 13-- wheel hubs torsion bar and the second torsion transmit swing rod and turn
Dynamic the first columns of tie point 141-- transmit swing rod rotating joint 15-- reducer output shaft hearts 16-- with the first torsion and stand
One 191-- grip blocks of column connecting rod 17-- mounting platforms 18-- clamping wheel hub pawl 181-- conical boss 19-- grip blocks
Two 192-- grip blocks, three 20-- clamping block hold a 201-- clamping block hold two 202-- clamping block hold three 21-- wheel
Hub pallet 22-- screw rod 23-- wheel hub 231-- central bore 24-- clamping device 25-- self-lubricating ball head rods end joint shaft
Hold 26-- clamping device upper stand 27-- screw rod smooth parts linear bearing seat 28-left sliding guide column 281-right cunning
Dynamic 282-front slide of guide post guide post 283-rear sliding guide column 29-left sliding guide column linear bearing seat 291-right slip is led
Column linear bearing seat 292-front slide guide post linear bearing seat 293-rear sliding guide column linear bearing seat 30-- clamping devices
The 34-the first torsion of lower framework stent 31-- framework platform 32-- fixing nut 33-- locking nuts is transmitted under swing rod
The first torsion of sliding bearing connecting rod 35-- transmits the first torsion of swing rod downslide support shaft 36-- and transmits swing rod bearing with spherical outside surface
37-the first torsion transmits the second torsion of swing rod downslide fulcrum bearing 341-- transmission swing rod downslide bearing connecting rod 351-- second and turns round
Power is transmitted the second torsion of swing rod downslide support shaft 361- and is transmitted under the second torsion of swing rod bearing with spherical outside surface 371-- transmission swing rod
Right the first torsion of compressed spring seat 39-- of the left compressed spring seat 381-- wheel hub torsion bars of sliding fulcrum bearing 38-- wheel hub torsion bars transmits
The second torsion of swing rod resistance side pressure contracting spring base 391-- the first guide rod 40-- wheel hub torsion bar symmetrical center line 41-- transmits pendulum
Bar resistance side pressure contracting spring base 411-- the second guide rod 42-- bearing 43-- wheel hub torsion bar downslide bearing connecting rod 44-- wheel hubs
Torsion bar downslide support shaft 45-- wheel hub torsion bar bearing with spherical outside surface 46-- wheel hub torsion bar downslide fulcrum bearings
Specific embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
One embodiment of the present of invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to these attached drawings.
Embodiment one
As shown in Fig. 1~8, a kind of vehicle hub alternation tangential stress test equipment includes motor 1, retarder 2, slot
Wheel 3, annular groove 4, the first roller 9, the second roller 8, roller bracket 7, the first torsion transmit swing rod 6, the second torsion transmits pendulum
Bar 5, left compressed spring 12, right compressed spring 121, the first torsion transmit swing rod resistance side pressure contracting spring base 39, the second torsion passes
Pass swing rod resistance side pressure contracting spring base 42, the left compressed spring seat 38 of wheel hub torsion bar, the right compressed spring seat 381 of wheel hub torsion bar, wheel hub
Torsion bar 13, the first column 11, the second column 10, clamping wheel hub pawl 18, clamping device 24, mounting platform 17；
Mounting surface on the mounting platform 17 is parallel with horizontal plane, and wheel hub 23 is arranged horizontally in 17 top of mounting platform；
The clamping device 24 includes grip block, clamping block is held, clamping device upper stand 26, framework platform 31, presss from both sides
Hold device lower framework stent 30, the clamping block is held closely to match clamping with the shape with the tire contact plane of wheel hub 23, institute
Grip block is stated to hold through bolt realization connection, clamping device upper stand 26, framework platform 31, clamping device with clamping block
Lower framework stent 30 is sequentially connected from top to bottom by screw, clamping device lower framework stent 30 and the mounting platform
17 are fixedly connected；
The clamping wheel hub pawl 18 is securely connected with 23 spoke of wheel hub；
The wheel hub torsion bar 13 is bolted with the clamping wheel hub pawl 18；
First torsion transmits swing rod resistance side pressure contracting spring base 39, the second torsion transmits swing rod resistance side pressure contracting bullet
Spring abutment 41 is symmetricly set on the left and right sides of the wheel hub torsion bar 13, and first torsion transmits swing rod resistance end compressed spring
Seat 39 transmits swing rod 6 with first torsion and is rotatablely connected, and bearing 42 is provided at rotation connection, and second torsion transmits
Swing rod resistance side pressure contracting spring base 41 transmits swing rod 5 with second torsion and is rotatablely connected, and bearing is provided at rotation connection
42；
The left compressed spring seat 38 of the wheel hub torsion bar, the right compressed spring seat 381 of wheel hub torsion bar be symmetrical be fixed at it is described
In the left and right sides of 13 tail end of wheel hub torsion bar；
The left compressed spring 12, right compressed spring 121 one end be symmetrically connected to a left side for 13 tail end of wheel hub torsion bar
On right two sides, left compressed spring 12, right compressed spring 121 the other end be symmetrically connected to first torsion and transmit swing rod
Resistance side pressure contracting spring base 39, the second torsion are transmitted on the end face of swing rod resistance side pressure contracting spring base 41, left compressed spring 12,
Right compressed spring 121 is set in left 38 and first torsion of compressed spring seat of wheel hub torsion bar and transmits swing rod resistance side pressure simultaneously respectively
Contracting spring base 39 and right 381 and second torsion of compressed spring seat of wheel hub torsion bar transmit the axis of swing rod resistance side pressure contracting spring base 41
In portion；
First torsion transmits swing rod 6 and is rotatablely connected with first column 11, and bearing is provided at rotation connection
42, first column 11 is fixedly connected with mounting platform 17；
Second torsion transmits swing rod 5 and is rotatablely connected with second column 10, and bearing is provided at rotation connection
42, second column 10 is fixedly connected with mounting platform 17；
The motor 1 is fixed on the mounting surface of the mounting platform 17, and 1 output shaft of the motor leads to
The input axis connection of shaft coupling and the retarder 2 is crossed, the output shaft with keyway circular hole and retarder 2 connects on the sheave 3
It connects, the retarder 2 is fixed on 17 mounting surface of mounting platform, and the sheave 3 is relative to the mounting platform 17
Mounting surface be arranged in parallel, it is misaligned with keyway circular hole and the center of circle of sheave 3 on sheave 3, there are one eccentricity, in the slot
The annular groove 4 with 3 center of circle concentric of sheave is provided on wheel 3；
First torsion transmits 6 tail end of swing rod and is connected by roller bracket 7 with first roller 9, the first roller
9 are placed in the annular groove 4 of sheave 3, and second torsion transmits 5 tail end of swing rod and passes through 7 and second roller 8 of roller bracket
It is connected, the second roller 8 is placed in the annular groove 4 of sheave 3.
First torsion transmits swing rod resistance side pressure contracting spring base 39, the second torsion transmits swing rod resistance side pressure contracting bullet
Be respectively arranged with the first guide rod 391 in spring abutment 41, the second guide rod 411, first guide rod 391, the second guide rod 411 respectively with
The hole portion that the left compressed spring seat 38 of the wheel hub torsion bar, the right compressed spring seat 381 of wheel hub torsion bar are both provided with correspond and
The diameter value of hole portion is to be subject to when moving with the first guide rod 391, the second guide rod 411 not interfere.
The lower part of the clamping wheel hub pawl 18 is provided with downward conical boss 181, the conical boss 181 with it is described
It is concentric to clamp wheel hub pawl 18.
It is provided with column connecting rod 16 between first column, 11 and second column 10, enhances the first column 11 and the
Stability between two columns 10.
The grip block has three pieces, respectively includes grip block 1, grip block 2 191, grip block 3 192, the clamping
Block has held three pieces, respectively includes that clamping block holds 1, clamping block holds 2 201, clamping block and holds 3 202, the clamping
Block holds one-to-one correspondence with the clamping block, and the entirety that the grip block holds composition with the clamping block is evenly distributed on wheel
23 surrounding of hub, between gap width be 1mm.
13 lower part of wheel hub torsion bar is provided with the first supporting mechanism, and first supporting mechanism includes wheel hub torsion bar
Downslide bearing connecting rod 43, wheel hub torsion bar downslide support shaft 44, wheel hub torsion bar bearing with spherical outside surface 45, wheel hub torsion bar downslide fulcrum bearing
46, it is sequentially connected from top to bottom, the wheel hub torsion bar lower slider fulcrum bearing 46 is fixed at 17 upper surface of mounting platform, wheel
Hub torsion bar lower slider bearing connecting rod 43, wheel hub torsion bar lower slider support shaft 44, wheel hub torsion bar bearing with spherical outside surface 45 are installed in peace
Above assembling platform 17, the wheel hub torsion bar lower slider bearing connecting rod 43 is consolidated with 13 lower part of wheel hub torsion bar by articulation screw
Fixed connection；
First torsion transmits 6 lower part of swing rod and is provided with the second supporting mechanism, and second supporting mechanism includes first
Torsion transmits swing rod lower slider bearing connecting rod 34, the first torsion transmits swing rod lower slider support shaft 35, the first torsion transmits swing rod
Bearing with spherical outside surface 36, the first torsion transmit swing rod lower slider fulcrum bearing 37, are sequentially connected from top to bottom, and first torsion passes
It passs swing rod lower slider fulcrum bearing 37 and is fixed at 17 upper surface of mounting platform, the first torsion transmits the bearing of swing rod lower slider and connects
Bar 34, the first torsion transmit swing rod lower slider support shaft 35, the first torsion transmits swing rod bearing with spherical outside surface 36 and is installed in installation
Above platform 17, first torsion transmits swing rod lower slider bearing connecting rod 34 and transmits swing rod 6 with first torsion respectively
Lower part is fixedly connected by articulation screw；
Second torsion transmits 5 lower part of swing rod and is provided with third supporting mechanism, and the third supporting mechanism includes second
Torsion transmits swing rod lower slider bearing connecting rod 341, the second torsion transmits swing rod lower slider support shaft 351, the second torsion transmits pendulum
Bar bearing with spherical outside surface 361, the second torsion transmit swing rod lower slider fulcrum bearing 371, are sequentially connected from top to bottom, and described second turns round
Power transmits swing rod lower slider fulcrum bearing 371 and is fixed at 17 upper surface of mounting platform, and the second torsion transmits swing rod lower slider branch
Hold connecting rod 341, the second torsion transmits swing rod lower slider support shaft 351, the second torsion transmits swing rod bearing with spherical outside surface 361 and pacifies
Above mounting platform 17, second torsion transmits swing rod lower slider bearing connecting rod 341 and is passed respectively with second torsion
The lower part for passing swing rod 5 is fixedly connected by articulation screw.
The clamping device 24 is provided with lifting mechanism, and the lifting mechanism includes wheel hub pallet 21, left sliding guide column
28th, right sliding guide column 281, front slide guide post 282, rear sliding guide column 283, left sliding guide column linear bearing seat 29, right slip are led
Column linear bearing seat 291, front slide guide post linear bearing seat 292, rear sliding guide column linear bearing seat 293, screw rod 22, Zi Run
Sliding bulb spherical plain bearing rod end 25, screw rod smooth part linear bearing seat 27, fixing nut 32, locking nut 33, the screw rod
22 axial lines are overlapped with 21 center of circle of wheel hub pallet, and the two is realized using the self-lubricating ball head spherical plain bearing rod end 25
Between connect, the screw rod 22 is connect with the screw rod smooth part linear bearing seat 27, the screw rod smooth part linear bearing
Seat 27 is fixed at 31 upper surface of framework platform, the left sliding guide column 28, right sliding guide column 281, front slide guide post
282nd, rear sliding guide column 283, respectively with left sliding guide column linear bearing seat 29, right sliding guide column linear bearing seat 291, advancing slip
Dynamic guide post linear bearing seat 292, is corresponded and is connected rear sliding guide column linear bearing seat 293, the left sliding guide column
28th, right sliding guide column 281, front slide guide post 282, rear sliding guide column 283 be evenly distributed on the screw rod 22 surrounding and with institute
Wheel hub pallet 21 is stated to be fixedly connected, it is the left sliding guide column linear bearing seat 29, right sliding guide column linear bearing seat 291, advancing slip
Dynamic guide post linear bearing seat 292, rear sliding guide column linear bearing seat 293 are fixed at 31 upper surface of framework platform, institute
Fixing nut 32 is stated to be fixedly connected and connect with the threaded portion of the screw rod 22, the locking nut with mounting platform 17
33 are threadedly coupled with the screw rod 22, and for 22 position of locking screw, 22 tail end of screw rod is provided with rolled round.
First column, 11 and first torsion transmits 6 rotating joint 141 of swing rod and the second column 10 and the second torsion
5 rotating joint 14 of swing rod is transmitted, the straight line and institute that the midpoint for the straight line that the two connects into and the reducer output shaft heart 15 are formed
State the center of circle of 40 weight merga pass wheel hub 23 of wheel hub torsion bar symmetrical center line.
Specific work process is as follows：
First, it installs in wheel hub 23 to clamping device 24：
1. loosering a bolt, loosen three pieces of grip blocks, mobile clamping block holds position until that can be put into wheel hub 23；
2. hand rolled round, screw rod 22 rises, and band runner hub pallet 21 rises to suitable position in order to 21 support of wheel hub pallet
Play wheel hub 23；
3. after being put into wheel hub 23, mobile clamping block is held to be fitted closely with the tire contact plane of wheel hub 23, pre-screwing clamping
Block is held, and pre-screwing clamping block again reinstalls the grip block pre-screwing loosened after holding；
4. during clamping 18 clamping wheel hub of wheel hub pawl, 23 spoke, clamping wheel hub pawl 18 carries downward conical boss
181, the circular conical surface of this conical boss 181 is oriented to the central bore 231 of wheel hub 23, realizes 231 axis of central bore of wheel hub 23
Heart line is overlapped with 181 axial line of conical boss on clamping wheel hub pawl 18, completes 18 clamping wheel hub of clamping wheel hub pawl, 23 spoke mistake
Cheng Zhong, wheel hub 23 suffer from one's own actions the certainly heart on clamping wheel hub pawl 18；
5. hand rolled round, band runner hub pallet 21 is detached from wheel hub 23；
6. grip block is tightened in interaction and clamping block is held.
There are many forms for the moulding of wheel hub 23, and the shape that clamping block is held is the parameter provided according to 23 provider of wheel hub
Come what is manufactured, ensure that the shape held of clamping block and the shape of wheel hub 23 fit closely, wheel hub 23 being capable of stress during actual test
Uniformly.
2nd, wheel hub is tested by alternation tangential stress：
After 1. motor 1 is run, the retarder 2 is driven to operate, retarder 2 drives sheave 3 to rotate, due to sheave 3
The center of circle and the output of retarder 2 axle center are misaligned, when sheave 3 rotates, form a kind of running orbit of off-centre operation.First rolling
Sub 9, second roller 8 carries out horizontal direction side-to-side movement under the drive of sheave 3；
2. as sheave 3 rotates, when the first roller 9 is toward far from the 15 direction movement of the reducer output shaft heart, the first torsion
The first torsion for transmitting 6 top of swing rod transmits left compressed spring 12 of the end face to the end of swing rod resistance side pressure contracting spring base 39
It gradually reduces, and at this moment for the second roller 8 toward close to the 15 direction movement of the reducer output shaft heart, the second torsion transmits swing rod 5
The right compressed spring 121 at the end is gradually unclamped in the end face that second torsion on top transmits swing rod resistance side pressure contracting spring base 41,
When the decrement that the first torsion transmits the compressed spring 12 on 6 top of swing rod is more than the decrement of other end compressed spring 121,
Just there are one the left sides that power is applied to 13 force side of rim torsion bar, and clamping wheel hub pawl 18, clamping are transmitted to by wheel hub torsion bar 13
Wheel hub pawl 18 forms a torsion counterclockwise to wheel hub 23；
3. when the first roller 9 is toward close to the 15 direction movement of the reducer output shaft heart, the first torsion transmits 6 top of swing rod
The first torsion transmit the end face of swing rod resistance side pressure contracting spring base 39 the left compressed spring 12 at the end gradually unclamped,
And at this moment the second roller 8 toward the reducer output shaft heart 15 moved far from direction when, the second torsion transmits the second of swing rod 5 top
The end face that torsion transmits swing rod resistance end seat 41 gradually compresses the right compressed spring 121 at the end, when the second torsion transmits swing rod
When the decrement of the right compressed spring 121 on 5 tops is more than the other end left 12 decrement of compressed spring, just it is applied to there are one power
The right side of 13 force side of rim torsion bar is transmitted to clamping wheel hub pawl 18 by wheel hub torsion bar 13, and clamping wheel hub pawl 18 is to wheel hub 23
A clockwise torsion is formed, with reference to equipment running status shown in FIG. 1, the torsion clockwise that wheel hub 23 is subject at this time is most
Greatly；
4. 13 lower part of wheel hub torsion bar is provided with the first supporting mechanism, the first torsion transmits swing rod 6, lower part is provided with
Second supporting mechanism, the lower part that the second torsion transmits swing rod 5 are provided with third supporting mechanism, and wheel hub torsion bar 13, the first torsion pass
Pass swing rod 6, the second torsion is transmitted when swing rod 5 moves and more stablized；
5. first torsion transmits swing rod resistance side pressure contracting spring base 39, the second torsion transmits the contracting of swing rod resistance side pressure
The first guide rod 391, the second guide rod 411 are respectively arranged in spring base 41, the left compressed spring 12, right compressed spring 121 exist
It is unlikely to be detached from easily in the first torsion transmits swing rod resistance side pressure contracting spring base 39, the second torsion passes during transmitting power
Pass swing rod resistance side pressure contracting spring base 41.
By above-mentioned known, when the present invention works, acted on by simulating wheel hub 23 by a kind of power of alternating capacity, from
And ability to bear when can detect the multiple frequent starting in practice of wheel hub 23, movement and brake.
Embodiment described above only expresses one embodiment of the present invention, and description is more specific and detailed, but simultaneously
Cannot the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the present invention's
Protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
1. a kind of vehicle hub alternation tangential stress test equipment, it is characterised in that：Including sheave, the first roller, the second roller,
First column, the second column, the first torsion transmit swing rod, the second torsion transmits swing rod, left compressed spring, right compressed spring, the
One torsion transmits swing rod resistance side pressure contracting spring base, the second torsion transmits swing rod resistance side pressure contracting spring base, the left pressure of wheel hub torsion bar
The right compressed spring seat of contracting spring base, wheel hub torsion bar, wheel hub torsion bar, clamping wheel hub pawl, clamping device, mounting platform and driving dress
It puts；
Be provided with the annular groove with sheave center of circle concentric on the sheave, sheave be equipped with keyway circular hole and sheave
The center of circle is misaligned, and there are one eccentricities；
The driving device driving sheave is rotated with the center of circle with keyway circular hole；
Second torsion transmits swing rod and the first torsion transmits the left and right sides that swing rod is separately positioned on wheel hub torsion bar；
First torsion transmits swing rod and the first column is rotatablely connected, and the first column is fixedly connected with mounting platform, and second turns round
Power transmits swing rod and the second column is rotatablely connected, and the second column is fixedly connected with mounting platform；
First torsion transmits swing rod tail end and is connected with the first roller, and the first roller is placed in annular groove, and second turns round
Power transmits swing rod tail end and is connected with the second roller, and the second roller is placed in annular groove；
The clamping wheel hub pawl is securely connected with wheel hub spoke；
The wheel hub torsion bar is fixedly connected with clamping wheel hub pawl；
Second torsion transmits swing rod resistance side pressure contracting spring base, the first torsion transmits swing rod resistance side pressure contracting spring base difference
The left and right sides of wheel hub torsion bar is arranged on, the first torsion transmits swing rod resistance side pressure contracting spring base and the first torsion transmits swing rod and turns
Dynamic connection, the second torsion transmits swing rod resistance side pressure contracting spring base and the second torsion transmits swing rod rotation connection；
The left compressed spring seat of the wheel hub torsion bar, the right compressed spring seat of wheel hub torsion bar are separately positioned on the wheel hub torsion bar tail end
On right left two sides；
The left compressed spring is set in the axle portion of the left compressed spring seat of wheel hub torsion bar simultaneously and the first torsion transmits swing rod resistance
In the axle portion of side pressure contracting spring base, right compressed spring is set in the axle portion and the second torsion of the right compressed spring seat of wheel hub torsion bar simultaneously
In the axle portion for transmitting swing rod resistance side pressure contracting spring base；
The clamping device and the tire contact plane of wheel hub closely match clamping with the shape, and the clamping device is consolidated with mounting platform
Fixed connection.
2. vehicle hub alternation tangential stress test equipment according to claim 1, it is characterised in that：The clamping device
Including grip block, clamping block hold, clamping device upper stand, framework platform and clamping device lower framework stent, the folder
It holds block and holds and closely match with the shape clamping with the tire contact plane of wheel hub, the grip block is held with clamping block through bolt reality
It now connects, clamping device upper stand, framework platform, clamping device lower framework stent are connected successively by screw from top to bottom
It connects, clamping device lower framework stent is fixedly connected with the mounting platform.
3. vehicle hub alternation tangential stress test equipment according to claim 1, it is characterised in that：The driving device
Including motor and retarder；
The motor is fixed on the mounting surface of mounting platform, and the output shaft of motor passes through shaft coupling and retarder
Axis connection is inputted, the output axis connection with keyway circular hole and retarder on sheave, it is flat that retarder is fixed at the installation
On platform mounting surface；
The vehicle hub alternation tangential stress test equipment further includes roller bracket；
First torsion transmits swing rod tail end and is connected by the first roller bracket with first roller, and the first roller is placed
In the annular groove of sheave, second torsion transmits swing rod tail end and is connected by the second roller bracket with the second roller,
Second roller is placed in the annular groove of sheave.
4. vehicle hub alternation tangential stress test equipment according to claim 1, it is characterised in that：First torsion
First is respectively arranged in transmission swing rod resistance side pressure contracting spring base, the second torsion transmission swing rod resistance side pressure contracting spring base to lead
Bar, the second guide rod, first guide rod, the second guide rod compressed spring seat left with the wheel hub torsion bar, the right pressure of wheel hub torsion bar respectively
When hole portion that contracting spring base is both provided with corresponds and the diameter value of hole portion is to move not with the first guide rod, the second guide rod
Subject to interference.
5. vehicle hub alternation tangential stress test equipment according to claim 1, it is characterised in that：The clamping wheel hub
The lower part of pawl is provided with downward conical boss, and the conical boss and the clamping wheel hub pawl are concentric.
6. vehicle hub alternation tangential stress test equipment according to claim 1, it is characterised in that：First column
Column connecting rod is provided between the second column.
7. vehicle hub alternation tangential stress test equipment according to claim 2, it is characterised in that：The grip block has
Three pieces, grip block one, grip block two, grip block three are respectively included, the clamping block has held three pieces, respectively included clamping block
Hold one, clamping block holds two, clamping block and holds three, the grip block holds one-to-one correspondence, the grip block with the clamping block
The entirety for holding composition with the clamping block is evenly distributed on wheel hub surrounding.
8. vehicle hub alternation tangential stress test equipment according to claim 1, it is characterised in that：The wheel hub torsion bar
Lower part is provided with the first supporting mechanism, and first supporting mechanism includes wheel hub torsion bar downslide bearing connecting rod, wheel hub torsion bar glides
Support shaft, wheel hub torsion bar bearing with spherical outside surface and wheel hub torsion bar downslide fulcrum bearing, are sequentially connected, from top to bottom under the wheel hub torsion bar
Sliding fulcrum bearing is fixed at mounting platform upper surface, wheel hub torsion bar downslide bearing connecting rod, wheel hub torsion bar downslide support shaft, wheel hub
Torsion bar bearing with spherical outside surface is installed in above mounting platform, the wheel hub torsion bar downslide bearing connecting rod and the wheel hub torsion bar lower part
It is fixedly connected by articulation screw；
First torsion transmits swing rod lower part and is provided with the second supporting mechanism, and second supporting mechanism is passed including the first torsion
Pass swing rod downslide bearing connecting rod, the first torsion transmits swing rod downslide support shaft, the first torsion transmits swing rod bearing with spherical outside surface and the
One torsion transmits swing rod downslide fulcrum bearing, is sequentially connected from top to bottom, and first torsion transmits swing rod downslide fulcrum bearing and fixes
Mounting platform upper surface is arranged on, the first torsion transmits swing rod downslide bearing connecting rod, the first torsion transmits swing rod downslide support shaft,
First torsion transmits swing rod bearing with spherical outside surface and is installed in above mounting platform, and first torsion transmits swing rod downslide bearing and connects
The lower part that bar transmits swing rod with first torsion is fixedly connected by articulation screw；
Second torsion transmits swing rod lower part and is provided with third supporting mechanism, and the third supporting mechanism is passed including the second torsion
Pass swing rod downslide bearing connecting rod, the second torsion transmits swing rod downslide support shaft, the second torsion transmits swing rod bearing with spherical outside surface and the
Two torsion transmit swing rod downslide fulcrum bearing, are sequentially connected from top to bottom, and second torsion transmits swing rod downslide fulcrum bearing and fixes
Mounting platform upper surface is arranged on, the second torsion transmits swing rod downslide bearing connecting rod, the second torsion transmits swing rod downslide support shaft,
Second torsion transmits swing rod bearing with spherical outside surface and is installed in above mounting platform, and second torsion transmits swing rod downslide bearing and connects
The lower part that bar transmits swing rod with second torsion is fixedly connected by articulation screw.
9. vehicle hub alternation tangential stress test equipment according to claim 2, it is characterised in that：The clamping device
Lifting mechanism is provided with, the lifting mechanism includes wheel hub pallet, left sliding guide column, right sliding guide column, front slide guide post, slides afterwards
Dynamic guide post, left sliding guide column linear bearing seat, right sliding guide column linear bearing seat, front slide guide post linear bearing seat, rear slip
Guide post linear bearing seat, screw rod, self-lubricating ball head spherical plain bearing rod end, screw rod smooth part linear bearing seat, fixing nut and
Locking nut, the screw rod axial line are overlapped with the wheel hub pallet center of circle, utilize the self-lubricating ball head spherical plain bearing rod end
Realization connects between the two, and the screw rod is connect with the screw rod smooth part linear bearing seat, and the screw rod smooth part is straight
Spool bearing is fixed at the framework platform upper surface, the left sliding guide column, right sliding guide column, front slide guide post, after
Sliding guide column and left sliding guide column linear bearing seat, front slide guide post linear bearing seat, are slided right sliding guide column linear bearing seat afterwards
Dynamic guide post linear bearing seat, corresponds and connects respectively, the left sliding guide column, right sliding guide column, front slide guide post, after
Sliding guide column is evenly distributed on the surrounding of the screw rod and is fixedly connected with the wheel hub pallet, the left sliding guide column linear axis
Bearing, right sliding guide column linear bearing seat, front slide guide post linear bearing seat, rear sliding guide column linear bearing seat are fixed at
The framework platform upper surface, the locking nut are fixedly connected with mounting platform and connect with screw flight portion screw thread
It connects, the locking nut is connect with the screw flight, and the screw rod tail end is provided with rolled round.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2016101039686 | 2016-02-25 | ||
| CN201610103968.6A CN105571879A (en) | 2016-02-25 | 2016-02-25 | Tangential alternating stress testing equipment for hub of vehicle |
| CN201610600609.1A CN106289812B (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610600609.1A Division CN106289812B (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108195602A true CN108195602A (en) | 2018-06-22 |
Family
ID=55882265
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610103968.6A Pending CN105571879A (en) | 2016-02-25 | 2016-02-25 | Tangential alternating stress testing equipment for hub of vehicle |
| CN201810144698.2A Pending CN108489739A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress mechanism for testing |
| CN201610600609.1A Expired - Fee Related CN106289812B (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
| CN201810144718.6A Pending CN108195602A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
| CN201810144731.1A Pending CN108466195A (en) | 2016-02-25 | 2016-07-27 | A kind of clamping device for testing vehicle hub alternation tangential stress |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610103968.6A Pending CN105571879A (en) | 2016-02-25 | 2016-02-25 | Tangential alternating stress testing equipment for hub of vehicle |
| CN201810144698.2A Pending CN108489739A (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress mechanism for testing |
| CN201610600609.1A Expired - Fee Related CN106289812B (en) | 2016-02-25 | 2016-07-27 | A kind of vehicle hub alternation tangential stress test equipment |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810144731.1A Pending CN108466195A (en) | 2016-02-25 | 2016-07-27 | A kind of clamping device for testing vehicle hub alternation tangential stress |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN105571879A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113405717A (en) * | 2021-07-22 | 2021-09-17 | 广东新环机电装备制造有限公司 | Over-torsion detection device adopting spring to reset |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092791B (en) * | 2016-07-05 | 2018-05-08 | 潘唯锡 | The curved test equipment of vehicle hub alternation stress |
| CN113959738B (en) * | 2020-07-20 | 2024-06-14 | 广州汽车集团股份有限公司 | Hub fracture test tool, simulation method and simulation device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106289812B (en) | 2018-03-16 |
| CN108466195A (en) | 2018-08-31 |
| CN105571879A (en) | 2016-05-11 |
| CN108489739A (en) | 2018-09-04 |
| CN106289812A (en) | 2017-01-04 |
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Application publication date: 20180622 |