CN107627093B - A kind of anti-side rolling torsion rod component automatic positioning assembling device and method - Google Patents
A kind of anti-side rolling torsion rod component automatic positioning assembling device and method Download PDFInfo
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- CN107627093B CN107627093B CN201711052700.5A CN201711052700A CN107627093B CN 107627093 B CN107627093 B CN 107627093B CN 201711052700 A CN201711052700 A CN 201711052700A CN 107627093 B CN107627093 B CN 107627093B
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Abstract
The invention discloses a kind of anti-side rolling torsion rod components to be automatically positioned assembling device and method.Anti-side rolling torsion rod component automatic positioning assembling equipment includes rack, deck plate, deck plate displacement mechanism, automatic clamping device, automatic centring device, control system, assembly limiting device, circumferentially positioned piece and rack-mounted manipulator.Torsion bar shaft is transported to predetermined position using manipulator；Automatic centring device is set, automatic centering is carried out to torsion bar shaft；Automatic clamping device is set, Automatic-clamping positioning is carried out to torsion bar shaft；Setting assembly limiting device automatic positioning torsion arm assembly limited block is to which torsion arm to be assembled in torsion bar shaft.Using the present invention, it is able to achieve automatic centering positioning, automatically clamping torsion bar shaft, automatic positioning torsion arm assembly limited block (i.e. position block), hot jacket be completed after automatic release clamping of the torsion bar shaft on assembly platform.Coordinate setting is carried out using grating scale, improves assembly or fitting table assembly precision and efficiency.
Description
Technical field
The present invention relates to anti-rolling torsion bar system of rail vehicle manufacturing technology fields.
Background technique
It is interior after temperature needed for needing for torsion arm to be heated to technique in the assembling process of anti-rolling torsion bar system
Hole is expanded into the size of matching requirements, and hot jacket is assembled into the both ends of torsion bar shaft, forms interference fit after torsion bar component is cooling.
In order to ensure the correct position after torsion arm and torsion bar shaft hot jacket, torsion bar shaft must be positioned before assembling, hot jacket assembling
When by tooling limit guarantee torsion arm axial position and circumferential position relationship.
Assembly or fitting table in prior art needs to adjust the relative position of tooling before each product is remodeled, and torsion bar shaft clamping is solid
Manual measurement is needed to ensure torsion bar shaft and assembly or fitting table positioning tool central symmetry before fixed.Fastening limit pressing plate, weight after being measured
Torsion bar position is checked in new measurement.After hot jacket is completed, fastening limit pressing plate is unclamped, the torsion bar component for having assembled completion is hung out.
Need to complete 4 manual measurement location dimensions, 2 clam member bolts, the movement of 2 release fastening bolts in process.
Therefore, there are the deficiencies of assembling procedure non-cutting time length, large labor intensity, positioning accuracy difference etc. for existing assembly or fitting table
Place.
In the prior art, application No. is 201610840221.9 Chinese invention patent application disclose one kind can three-dimensional tune
Whole anti-rolling torsion bar system and its manufacture installation method.Can three-dimensional adjustment anti-rolling torsion bar system, including torsion bar component, branch
Support holder assembly and two link assemblies for being connected to torsion bar component both ends, link assembly includes the curved rod body of rod, upper ball
Head, lower bulb, upper node, lower node, nut, locked spacer.Upper bulb, lower bulb and the curved rod body of rod are split type structure,
Upper bulb and lower bulb are connected through a screw thread the mode connecting bending connecting rod body of rod.By hollow steel pipe by Bending Mould using heating
Wrap direction is fabricated to the curved rod body of rod；The curved rod body of rod is all made of thread connecting mode and connect with upper bulb, lower bulb, passes through
Bulb and/or lower bulb adjust the upper node of link assembly and the spacing of lower node in rotation.Application No. is
201510246278.1 Chinese invention patent disclose a kind of novel anti-rolling torsion bar system and its locating mounting method, it is novel
Anti-rolling torsion bar system includes torsion bar and ball hinged supporting, it is characterised in that ball hinged supporting inner face is by interference connection equipped with friction
Set, friction sleeve are set on torsion bar by clearance fit, have the limit stops of limitation friction sleeve horizontal looseness, friction on torsion bar
The length that stretching and friction sleeve stretch out ball hinged supporting end face from ball hinged supporting is covered to be mounted on greater than novel anti-rolling torsion bar system
Accumulated tolerance between car body and framework, the interference power between friction sleeve and ball hinged supporting are greater than the cross of ball hinged supporting when vehicle is run
To play power.It is automatically positioned assembling equipment without torsion bar component in the prior art above, can not achieve the automatic fixed of torsion bar component
Hyte dress.
Summary of the invention
It is an object of the present invention to provide a kind of anti-side rolling torsion rod components to be automatically positioned assembling device and method, is able to achieve
Automatic centering of the torsion bar shaft on assembly platform positions, clamps torsion bar shaft automatically, automatic positioning torsion arm assembles limited block, heat
Set is automatic after being completed to unclamp clamping.
The technical scheme is that a kind of anti-side rolling torsion rod component automatic positioning assembling equipment, anti-side rolling torsion rod component
Including torsion bar shaft and torsion arm；Anti-side rolling torsion rod component automatic positioning assembling equipment includes rack, deck plate, automatic clamping dress
It sets, automatic centring device；
The deck plate is mounted on the rack and can be moved forward and backward on the rack；
The automatic clamping device includes for placing the support member of torsion bar shaft and torsion bar shaft can be pressed on support portion
Pressing device on part；Support member is mounted on deck plate；
The automatic centring device includes position block, the block traverse displacement unit being mounted on deck plate；Position block peace
On deck plate on the outside of support member, block traverse displacement unit connects position block, and can be adjusted by manipulating block traverse displacement unit
The lateral position of whole position block.
The anti-side rolling torsion rod component automatic positioning assembling equipment further includes control system, assembly limiting device and installation
Manipulator on the rack, the assembly limiting device include position block and block traverse displacement unit, further include block vertical shift dress
It sets；Block longitudinal-moving device connects position block, and position block can be made to be moved forward and backward by manipulating block longitudinal-moving device；The gear
Block traverse displacement unit, block longitudinal-moving device, pressing device, manipulator are all connected with control system.
The block longitudinal-moving device includes rack-mounted longitudinal cylinder；Longitudinal cylinder connects position block and vertical
Position block can be moved forward and backward under to cylinder action.
The block traverse displacement unit includes traversing piece, position adjusting screw, grating scale, the servo electricity with pressure sensor
Machine；Position block is mounted on traversing piece above and can be in traversing piece of upper back-and-forth motion；Traversing piece is mounted on deck plate and can be together with
Position block moves left and right on deck plate together；Table top board ends are respectively equipped with a servo motor, servo motor and traversing
Block is connected by position adjusting screw, and can adjust the transverse direction of position block by position adjusting screw under Serve Motor Control
Position；Grating scale is mounted on deck plate；Left part and right part on deck plate are mounted on block traverse displacement unit and position block.
The anti-side rolling torsion rod component automatic positioning assembling equipment further includes deck plate displacement mechanism and control system；Platform
Slab movement mechanism includes table top guide rail and rack-mounted table top cylinder, and deck plate is mounted on rack by table top guide rail
On, table top cylinder connects deck plate, and deck plate can be moved forward and backward under table top cylinder action along table top guide rail；The servo electricity
Machine, grating scale, deck plate displacement mechanism are all connected with control system.
The pressing device includes the vertical cylinder of compression module and connection compression module, and compression module is mounted on support portion
Above part, and compression module can move under the control of vertical cylinder and expose support member；Left part and right part on deck plate is each
One automatic clamping device is installed.
The anti-side rolling torsion rod component automatic positioning assembling equipment further includes circumferentially positioned for realizing torsion bar component
Circumferentially positioned piece, one circumferentially positioned piece is nearby each provided with for installing the position of torsion arm on deck plate.
The support member is vee-block.
A kind of anti-side rolling torsion rod component automatic positioning assemble method transports torsion bar shaft to predetermined position using manipulator；If
It sets automatic centring device and automatic centering is carried out to torsion bar shaft；Automatic clamping device is set, Automatic-clamping positioning is carried out to torsion bar shaft；
Setting assembly limiting device automatic positioning torsion arm assembly limited block is to which torsion arm to be assembled in torsion bar shaft.
Anti-side rolling torsion rod component automatic positioning group is carried out using above-mentioned anti-side rolling torsion rod component automatic positioning assembling equipment
Dress, the anti-side rolling torsion rod component automatic positioning assemble method include the following steps:
1) initial alignment is carried out in manipulator transhipment torsion bar shaft to the vee-block of automatic clamping device；
2) servo motor at torsion bar shaft both ends is moved axially inward using position adjusting screw control position block, when fixed
The interior side-locating face of position block with after torsion bar axial end contacts and pressure reaches setting value, the automatic centering completion of torsion bar shaft；
3) after the completion of the centering of torsion bar shaft, the vertical cylinder movement of automatic clamping device, compression module realizes torsion bar shaft
Locking action, torsion bar shaft complete positioning on deck plate；
4) position block is displaced outwardly under Serve Motor Control respectively in axial direction after torsion bar shaft positioning, then vertical
It is longitudinally retreated under the action of to cylinder, then by Serve Motor Control, position block is moved to the position of torsion arm assembly limit；
5) torsion arm is mounted in torsion bar shaft, is assembled into torsion bar component；
6) deck plate is advanced into manipulator crawl position by after the assembly is completed, table top cylinder movement；
7) vertical cylinder movement, unclamps the compression module of automatic clamping device, and manipulator shifts the torsion bar component assembled
To subsequent processing.
Using the present invention, it is able to achieve automatic centering of the torsion bar shaft on assembly platform and positions, clamp torsion bar shaft automatically, is automatic
Positioning torsion arm assembly limited block (i.e. position block), hot jacket are automatic after being completed to unclamp clamping.It is carried out using grating scale
Coordinate setting improves assembly or fitting table assembly precision and efficiency, is suitable for torsion bar component assembly line flow process mode.Certainly using cylinder
Dynamic clamping, greatly reduces the labor intensity of operator.In the present invention, centering, positioning can carry out freely according to technological parameter
Adjustment, suitable for various types of assembling products, it can be achieved that quickly remodeling.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of the anti-side rolling torsion rod component automatic positioning assembling equipment in the present invention；
Fig. 2 is the overlooking structure diagram of the anti-side rolling torsion rod component automatic positioning assembling equipment in the present invention；
Fig. 3 is the left view structural representation of the anti-side rolling torsion rod component automatic positioning assembling equipment in the present invention；
Description of symbols: rack 1, deck plate 2, servo motor 3, position adjusting screw 4, circumferentially positioned piece 5, torsion arm
6, position block 7, traversing piece 8, compression module 9, vee-block 10, torsion bar shaft 11, table top cylinder 12, table top guide rail 13, grating scale
14, longitudinal cylinder 15, vertical cylinder 16.
Specific embodiment
Fig. 1 to Fig. 3 is please referred to, anti-side rolling torsion rod component includes torsion bar shaft 11 and torsion arm 6.Anti-side rolling torsion rod component is automatic
Positioning assembling equipment, including whole frame can be used in rack 1(), deck plate 2, deck plate displacement mechanism, automatic clamping device, from
Dynamic centralising device, control system (not shown), assembly limiting device, circumferentially positioned piece 5 and rack-mounted machinery
Hand (not shown).
Deck plate is mounted on the rack and can be moved forward and backward on the rack.Deck plate displacement mechanism includes 13 He of table top guide rail
Rack-mounted table top cylinder 12, deck plate is mounted on the rack by table top guide rail, and table top cylinder connects deck plate；Platform
Slab movement mechanism connects control system.Table top cylinder can control the back-and-forth motion of deck plate under control system unified instruction.
Automatic clamping device includes for placing the vee-block 10 of torsion bar shaft and can compress torsion bar shaft on the supporting member
Pressing device；Vee-block is mounted on deck plate；Pressing device includes the vertical cylinder 16 of compression module 9 and connection compression module,
Vertical cylinder realizes automatic clamping device to the locking function of torsion bar shaft.Compression module is mounted on above vee-block, and compression module
It can be moved under the control of vertical cylinder and expose vee-block.Left part and right part on deck plate are respectively equipped with an automatic clamping dress
It sets, wherein vertical cylinder can be one or two, and vee-block includes being mounted on the left vee-block of left part on deck plate and being mounted on
The right vee-block of right part on deck plate.Torsion bar shaft transhipment is appeared on the stage before panel, and the compression module of automatic clamping device is open state
(i.e. compression module is removed under the control of vertical cylinder and exposes vee-block), vee-block (V shape nylon block can be used) plays support and makees
With.After automatic centring device is accurately positioned torsion bar shaft, compression module is carried out torsion bar shaft under the action of vertical cylinder and is pressed
Power clamping locking.After torsion arm is installed, vertical cylinder movement unclamps compression module, so as to the torsion bar component after assembling
Next process can be transferred to from deck plate.Pressing device, manipulator are all connected with control system.
Automatic centring device, i.e. torsion bar shaft end automatic centring device.Automatic centring device includes position block 7, is mounted on
Block traverse displacement unit on deck plate；Position block is mounted on vee-block outside on deck plate, and (i.e. left position block is located at left V-arrangement
The left side of block, right position block are located at the right side of right vee-block).Block traverse displacement unit includes traversing piece 8, position adjusting screw 4,
Grating scale 14, the servo motor 3 with pressure sensor.Position block is mounted on traversing piece above by sliding pair and can be traversing
It is moved forward and backward on block；Traversing piece is mounted on deck plate by sliding pair and can be controlled on deck plate together with position block
It is mobile；Table top board ends are respectively equipped with a servo motor, and position adjusting screw is mounted on deck plate, servo motor and traversing
Block is connected by position adjusting screw, and can adjust the cross of position block by position adjusting screw under Serve Motor Control
To position.Grating scale is mounted on deck plate, accurate by Serve Motor Control position adjusting screw under the cooperation of grating scale
Adjust transverse direction (along torsion bar shaft axial direction) position of position block.Left part and right part on deck plate are mounted on block traverse displacement unit
And position block.Torsion bar shaft is transported on vee-block after progress initial alignment in manipulator, and both ends have the servo of pressure sensor
Motor controls the displacement of position block (including left position block and right position block) by position adjusting screw respectively.When a left side is fixed
After position block and right position block touch the left side and right side of torsion bar shaft respectively, pressure reaches setting value and stops fortune
It is dynamic.Control system reads the positional value of position block by grating scale automatically, determines the center of torsion bar shaft.Servo motor,
Pressure sensor, grating scale are all connected with control system.
Assembly limiting device is mainly made of block longitudinal-moving device and above-mentioned position block, block traverse displacement unit.Block
Longitudinal-moving device includes rack-mounted longitudinal cylinder 15；Longitudinal cylinder connects position block and determines under longitudinal cylinder effect
Position block can be moved forward and backward.Longitudinal cylinder realizes the displacement of position block in the longitudinal direction, and switching torsion bar shaft assignment and torsion arm are pacified
Fill the function of limit.According to the technological parameter of setting, under the control of longitudinal cylinder, left position block, right position block are given up the throne,
It is calculated by control system, under the cooperation of grating scale, position block is moved to and calculates resulting position by assembly limiting device,
Completion carries out assembly limit to torsion arm.Block traverse displacement unit, block longitudinal-moving device are all connected with control system.
Circumferentially positioned piece circumferentially positioned for realizing torsion bar component, each near the position on deck plate for installing torsion arm
It is provided with one circumferentially positioned piece.The circumferentially positioned piece of end that can be fixed temporarily torsion arm, when torsion arm is installed, torsion arm
One end be set in torsion bar shaft, the other end can be temporarily fixed on circumferentially positioned piece.
Anti-side rolling torsion rod component automatic positioning assembling equipment may also include feed device for transporting torsion bar shaft automatically and
For transporting the discharging device of torsion bar component automatically.Each cylinders such as table top cylinder, vertical cylinder, longitudinal cylinder are respectively connected with pneumatically
Device, pneumatic device connect control system, and the automatic positioning assembling of entire anti-side rolling torsion rod component automatic positioning assembling equipment can
The progress under being uniformly controlled of control system.
A kind of anti-side rolling torsion rod component automatic positioning assemble method transports torsion bar shaft to predetermined position using manipulator；If
It sets automatic centring device and automatic centering is carried out to torsion bar shaft；Automatic clamping device is set, Automatic-clamping positioning is carried out to torsion bar shaft；
Setting assembly limiting device automatic positioning torsion arm assembly limited block is to which torsion arm to be assembled in torsion bar shaft.It can be used
It states anti-side rolling torsion rod component automatic positioning assembling equipment and carries out the automatic positioning assembling of anti-side rolling torsion rod component, specific work flow packet
It includes:
1, initial alignment is carried out in manipulator transhipment torsion bar shaft to the vee-block of automatic clamping device.
2, the servo motor at torsion bar shaft both ends controls left position block and right position block along axis using position adjusting screw
To moving respectively inwards, when the interior side-locating face of left position block and right position block respectively with the left side of torsion bar shaft and right end
Face contact and when reaching the contact pressure setting value of setting, control system reads the position of position block by grating scale automatically
Value, determines the center of torsion bar shaft, and the automatic centering of torsion bar shaft is completed.
3, after the completion of the centering of torsion bar shaft, the vertical cylinder movement of automatic clamping device, compression module realizes torsion bar shaft
Locking action, torsion bar shaft complete positioning on deck plate.
4, position block is after torsion bar shaft positions completely, and outside rollback 10mm(, that is, left position block is to the left respectively in axial direction
Mobile, right position block moves right), according to the technological parameter of setting, under the action of longitudinal cylinder, left position block, the right side
Position block is longitudinally given up the throne and (is moved forward or rearward), calculates by control system, under the cooperation of grating scale, then by servo electricity
Position block is moved to the position for calculating resulting torsion arm assembly limit by machine control, what torsion arm was assembled in completion
Limit.
5, operator requires left end and right end that left handed twist arm, right torsion arm are separately mounted to torsion bar shaft according to technique,
It is assembled into torsion bar component.
6, deck plate is advanced into manipulator crawl position by after the assembly is completed, table top cylinder movement.
7, vertical cylinder movement, unclamps the compression module of automatic clamping device, and manipulator shifts the torsion bar component assembled
To subsequent processing.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., is all included in the scope of protection of the present invention.
Claims (8)
1. a kind of anti-side rolling torsion rod component automatic positioning assembling equipment, anti-side rolling torsion rod component includes torsion bar shaft and torsion arm；It is anti-
Side rolling torsion rod component automatic positioning assembling equipment includes rack, deck plate, characterized in that further includes automatic clamping device, automatic
Centralising device；
The deck plate is mounted on the rack and can be moved forward and backward on the rack；
The automatic clamping device includes for placing the support member of torsion bar shaft and can compress torsion bar shaft on the supporting member
Pressing device；Support member is mounted on deck plate；
The automatic centring device includes position block, the block traverse displacement unit being mounted on deck plate；Position block is mounted on
On deck plate on the outside of support member, block traverse displacement unit connects position block, and is determined by manipulating block traverse displacement unit and can adjust
The lateral position of position block；
The anti-side rolling torsion rod component automatic positioning assembling equipment further includes control system, assembles limiting device and be mounted on rack
On manipulator, it further includes block longitudinal-moving device that the assembly limiting device, which includes position block and block traverse displacement unit,；Block
Longitudinal-moving device connects position block, and position block can be made to be moved forward and backward by manipulating block longitudinal-moving device；The block is traversing
Device, block longitudinal-moving device, pressing device, manipulator are all connected with control system.
2. anti-side rolling torsion rod component automatic positioning assembling equipment according to claim 1, characterized in that the block vertical shift
Device includes rack-mounted longitudinal cylinder；Longitudinal cylinder connects position block and the position block under longitudinal cylinder effect
It can be moved forward and backward.
3. anti-side rolling torsion rod component automatic positioning assembling equipment according to claim 1, characterized in that the block is traversing
Device includes traversing piece, position adjusting screw, grating scale, the servo motor with pressure sensor；Position block is mounted on cross
It moves on block and can be above moved forward and backward at traversing piece；Traversing piece is mounted on deck plate and can be together with position block in deck plate
On move left and right；Table top board ends are respectively equipped with a servo motor, and servo motor and traversing piece are connected by position adjusting screw
It connects, and the lateral position of position block can be adjusted by position adjusting screw under Serve Motor Control；Grating scale is mounted on platform
On panel；Left part and right part on deck plate are mounted on block traverse displacement unit and position block.
4. anti-side rolling torsion rod component automatic positioning assembling equipment according to claim 3, characterized in that further include deck plate
Displacement mechanism and control system；Deck plate displacement mechanism includes table top guide rail and rack-mounted table top cylinder, deck plate
It is mounted on the rack by table top guide rail, table top cylinder connects deck plate, and deck plate can be led under table top cylinder action along table top
Rail is moved forward and backward；The servo motor, pressure sensor, grating scale, deck plate displacement mechanism are all connected with control system.
5. anti-side rolling torsion rod component automatic positioning assembling equipment according to claim 1, characterized in that the pressing device
Vertical cylinder including compression module and connection compression module, compression module is mounted on above support member, and compression module energy
It is moved under the control of vertical cylinder and exposes support member；Left part and right part on deck plate are respectively equipped with an automatic clamping dress
It sets.
6. anti-side rolling torsion rod component automatic positioning assembling equipment according to claim 1, characterized in that further include for real
Circumferentially positioned circumferentially positioned piece of existing torsion bar component, is nearby each provided with a week for installing the position of torsion arm on deck plate
To locating piece.
7. anti-side rolling torsion rod component automatic positioning assembling equipment according to claim 1, characterized in that the support member
It is vee-block.
8. a kind of anti-side rolling torsion rod component is automatically positioned assemble method, characterized in that transport torsion bar shaft to predetermined using manipulator
Position；Automatic centring device is set, automatic centering is carried out to torsion bar shaft；Setting automatic clamping device presss from both sides torsion bar shaft automatically
Tightening position；Setting assembly limiting device is automatically positioned position block, so that torsion arm is assembled in torsion bar shaft；
It is automatically fixed that assembling equipment progress anti-side rolling torsion rod component is automatically positioned using anti-side rolling torsion rod component described in claim 1
Hyte dress, the support member is vee-block；The anti-side rolling torsion rod component automatic positioning assemble method includes the following steps:
1) initial alignment is carried out in manipulator transhipment torsion bar shaft to the vee-block of automatic clamping device；
2) servo motor at torsion bar shaft both ends is moved axially inward using position adjusting screw control position block, when positioning is kept off
The interior side-locating face of block with after torsion bar axial end contacts and pressure reaches setting value, complete by the automatic centering of torsion bar shaft；
3) after the completion of the centering of torsion bar shaft, the vertical cylinder movement of automatic clamping device, compression module is realized torsion bar shaft and is locked
Movement, torsion bar shaft complete positioning on deck plate；
4) position block moves, then in longitudinal cylinder axially outward after torsion bar shaft positioning under Serve Motor Control
The lower longitudinal retrogressing of effect, then by Serve Motor Control, position block is moved to the position of torsion arm assembly limit；
5) torsion arm is mounted in torsion bar shaft, is assembled into torsion bar component；
6) deck plate is advanced into manipulator crawl position by after the assembly is completed, table top cylinder movement；
7) vertical cylinder movement unclamps the compression module of automatic clamping device, and the torsion bar component that manipulator transfer assembles is under
One process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052700.5A CN107627093B (en) | 2017-11-01 | 2017-11-01 | A kind of anti-side rolling torsion rod component automatic positioning assembling device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711052700.5A CN107627093B (en) | 2017-11-01 | 2017-11-01 | A kind of anti-side rolling torsion rod component automatic positioning assembling device and method |
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| CN107627093B true CN107627093B (en) | 2019-07-02 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436417A (en) * | 2018-05-18 | 2018-08-24 | 南通理工学院 | Automatic assembly tool |
| CN110202522B (en) * | 2019-05-30 | 2021-04-16 | 株洲时代新材料科技股份有限公司 | Disassembling and assembling tool and method for detachable interference fit anti-side-rolling torsion bar |
| CN110103001B (en) * | 2019-06-25 | 2024-05-14 | 湖南联诚轨道装备有限公司 | Gear output shaft centering installation device of square structure of wiper |
| CN110989484B (en) * | 2019-12-04 | 2022-11-29 | 合肥工业大学 | Automatic positioning control system for stabilizer bar |
| CN110813653A (en) * | 2019-12-13 | 2020-02-21 | 宁波尹球五金制造有限公司 | Automatic gluing machine and gluing method thereof |
| CN114932512A (en) * | 2022-06-28 | 2022-08-23 | 吉林大学重庆研究院 | Clamping and centering device and method suitable for rail train axle measuring machine |
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| US4637628A (en) * | 1985-12-02 | 1987-01-20 | Chrysler Motors Corporation | Anti-roll torsion bar arrangement for vehicle rear suspension |
| DE102008000591A1 (en) * | 2008-03-11 | 2009-09-17 | Zf Friedrichshafen Ag | Torsion beam axle for motor vehicle, has controller connected with two parts of axle, where parts are actively rotatable against each other around active element and/or controller, so as to produce arbitrary anti-rolling torque |
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| CN107627093A (en) | 2018-01-26 |
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