CN109204595A - Independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel - Google Patents

Independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel Download PDF

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Publication number
CN109204595A
CN109204595A CN201811011724.0A CN201811011724A CN109204595A CN 109204595 A CN109204595 A CN 109204595A CN 201811011724 A CN201811011724 A CN 201811011724A CN 109204595 A CN109204595 A CN 109204595A
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CN
China
Prior art keywords
mecanum wheel
fixing plate
omni
independent
suspension
Prior art date
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
Application number
CN201811011724.0A
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Chinese (zh)
Inventor
张东
赵世杰
吴伟锋
杨镇坡
龙永灏
翁卓荣
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South China University of Technology SCUT
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South China University of Technology SCUT
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN201811011724.0A priority Critical patent/CN109204595A/en
Publication of CN109204595A publication Critical patent/CN109204595A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D57/00Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track
    • B62D57/02Vehicles characterised by having other propulsion or other ground- engaging means than wheels or endless track, alone or in addition to wheels or endless track with ground-engaging propulsion means, e.g. walking members
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00Resilient suspensions for a single wheel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D63/00Motor vehicles or trailers not otherwise provided for
    • B62D63/02Motor vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D63/00Motor vehicles or trailers not otherwise provided for
    • B62D63/02Motor vehicles
    • B62D63/04Component parts or accessories

Abstract

Independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel, including carrying platform, independent wheel suspension, chassis axle mechanism, four groups of independent wheel suspensions, chassis axle mechanism are separately mounted to four vertex of carrying platform, and every group of independent wheel suspension, chassis axle mechanism include an independent wheel suspension and a chassis axle mechanism;Independent wheel suspension includes corner brace, shock absorber, motor fixing plate, hinge, motor fixing plate is set to below carrying platform, corner brace is respectively arranged on carrying platform and motor fixing plate, shock absorber both ends pass through corner brace respectively and connect with carrying platform, motor fixing plate, and the inner end of motor fixing plate is connected by hinge with carrying platform;Chassis axle mechanism is connected with motor fixing plate.The present invention has many advantages, such as that structure is simple, compact-sized, bearing capacity is high, stability is good.The invention belongs to the mobile device technology fields based on Mecanum wheel.

Description

Independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel
Technical field
The invention belongs to the mobile device technology field based on Mecanum wheel, especially a kind of hinge based on Mecanum wheel Independent suspension Omni-mobile platform is set in chain.
Background technique
With the continuous development of automatic technology, the various mobile platforms for possessing motion versatility and flexibility are in many necks Domain is widely used, and the Omni-mobile platform based on Mecanum wheel is exactly one such.Mecanum wheel can be with Realize the motion modes such as forward, traversing, diagonal, rotation and combinations thereof, but in fact, since Mecanum wheel material is harder, road Face, which is uneven, leads to the difference of coefficient of friction, so that each Mecanum wheel has Uneven bearing, omnidirectional entire in this way Mobile platform cannot obtain good control.In order to improve these problems, existing Omni-mobile platform done improve so that Obtain platform bearer more evenly.But the suspended portion of existing some Mecanum wheel Omni-mobile platforms it is excessively complicated and Heaviness, structure are not compact enough, it will sacrifice a part of bearing capacity, and also will increase unstability and production cost.
Summary of the invention
It is set in the hinge based on Mecanum wheel that a kind of structure is simple, light and handy solely in view of the above-mentioned problems, the present invention provides Vertical suspension Omni-mobile platform, it also has many advantages, such as, and compact-sized, bearing capacity is high, stability is good.
Set independent suspension Omni-mobile platform in a kind of hinge based on Mecanum wheel, including carrying platform, independent outstanding Suspension mechanism, chassis axle mechanism, four groups of independent wheel suspensions, chassis axle mechanism are separately mounted to four apex angles of carrying platform Place, every group of independent wheel suspension, chassis axle mechanism include an independent wheel suspension and a chassis axle mechanism;It is independent outstanding Suspension mechanism includes corner brace, shock absorber, motor fixing plate, hinge, and motor fixing plate is set to below carrying platform, and corner brace is installed respectively In on carrying platform and motor fixing plate, shock absorber both ends pass through corner brace respectively and connect with carrying platform, motor fixing plate, motor The inner end of fixed plate is connected by hinge with carrying platform;Chassis axle mechanism is connected with motor fixing plate.Using this structure, energy By the adjustment of motor fixing plate and shock absorber so that the landing property of Omni-mobile platform is more preferable, therefore load-carrying properties are higher, surely It is qualitative more preferable;When motor fixing plate rotation simultaneously, shock absorber compression when being compressed to a certain degree, stops compression, weakens glass fibers The vibration amplitude for tieing up plate, plays the role of bradyseism.
Preferably, the shock absorber of independent wheel suspension is two, and two shock absorbers are parallel to each other.Using this structure, structure It is more stable, it is bigger by shock absorber buffering, the energy absorbed.
Preferably, three corner braces are mounted on the outer end of motor fixing plate, and three corner braces are connected by long spiro nail;Two corner braces Installation is on the carrying platform;Shock absorber one end is connected with long spiro nail, and the shock absorber other end is connected with the corner brace of carrying platform.Using This structure, shock absorber installation are stablized, and Omni-mobile platform moves more stable in rough ground.
Preferably, carrying platform includes glass mat, frame, square tube, and frame is fixed on glass mat lower surface, and two Root square tube is secured transverse to framework underside, and two square tubes are parallel to each other.Using this structure, carrying platform stabilized structure, carrying Performance is good.
Preferably, corner brace is made of stainless steel material, and square tube is made of carbon fibre materials.It is light using this structure And intensity is high, the road conditions suitable for road surface complexity.
Preferably, chassis axle mechanism includes Mecanum wheel, ring flange, driving motor, and driving motor is installed on motor In fixed plate, driving motor is connected with the inner end of ring flange, and Mecanum wheel is fixedly connected with the outer end of ring flange.Using this knot Structure, structure is simple, connects compact.
It preferably, further include motor cabinet, motor cabinet includes bottom plate, inner end plate and outer end plate, and inner end plate and outer end plate are symmetrical Set on the two sides of bottom plate;Motor cabinet is fixed on motor fixing plate by bottom plate, and driving motor is fixed on inner end plate, ring flange Axis be installed on outer end plate by bearing.Using this structure, convenient for passing through motor cabinet and motor fixing plate, ring flange, driving Motor connection, and driving motor is installed on the inside of platform, therefore can preferably protect motor.
Preferably, it is connected between the axis and driving motor output shaft of ring flange by shaft coupling.Using this structure, can reduce The impact force that the output shaft of driving motor is subject to avoids the damage of driving motor.
It preferably, further include circlip, circlip is entrapped in the groove of the axis of ring flange, and circlip is close to bearing.Using this Structure limits the axial movement of ring flange, guarantees the job stability of omnidirectional's platform.
It preferably, further include washer, washer is set to the outside of Mecanum wheel, and screw sequentially passes through washer, Mecanum Wheel, ring flange are Mecanum wheel to be fixed on ring flange.Using this structure, the sheet metal component of Mecanum wheel can protect not By excessive screw pressure compressive strain.
Beneficial effects of the present invention: motor fixing plate is set in the lower section of carrying platform, shock absorber is installed by corner brace It is connected between motor fixing plate and carrying platform, and by motor fixing plate with carrying platform, therefore shock absorber, motor can be passed through The adjustment of fixed plate, so that the landing property of Mecanum wheel group is more preferable, so that load-carrying properties are higher, stability is more preferable;Meanwhile When upper abrupt slope or downstairs, compression motor fixed plate starts to turn counterclockwise under the action of shock absorber and Mecanum wheel wheel group Dynamic, shock absorber, which is compressed, to shorten, and when shock absorber is compressed into a certain degree, will stop compressing, weaken glass mat Vibration amplitude plays the role of bradyseism;Driving motor is installed on inside by motor cabinet, can preferably protect driving electricity Machine;The axis of ring flange is connected with driving motor output shaft using shaft coupling, thus can reduce the output shaft of driving motor by Impact force, avoid the damage of driving motor;Circlip is caught in the groove of the axis of ring flange, and circlip is close to bearing, with limit The axial movement of ring flange processed guarantees the job stability of omnidirectional's platform.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 be Fig. 1 in AA to schematic cross-sectional view.
Fig. 3 is the carrying platform structural schematic diagram of the embodiment of the present invention.
Fig. 4 is the independent wheel suspension structural schematic diagram of the embodiment of the present invention.
Fig. 5 is the chassis axle mechanism structural schematic diagram of the embodiment of the present invention.
Wherein, 1- glass mat, 2- frame, 3- square tube, 4- corner brace, 5- shock absorber, 6- motor fixing plate, 7- hinge, 8- Mecanum wheel, 9- washer, 10- ring flange, 11- bearing, 12- circlip, 13- motor cabinet, 14- shaft coupling, 15- driving electricity Machine.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawing.
Set independent suspension Omni-mobile platform in a kind of hinge based on Mecanum wheel, including carrying platform, independent outstanding Suspension mechanism, chassis axle mechanism.Independent wheel suspension, chassis axle mechanism are four, each independent wheel suspension, chassis wheel Axis mechanism is one group, and four groups of independent wheel suspensions, chassis axle mechanism are symmetrically arranged at four vertex of carrying platform. Four groups of independent wheel suspensions, the structure of chassis axle mechanism and installation site all around mirror symmetry.Due to Mecanum The Omni-mobile of wheel, and suspension are symmetrical all around, therefore can guarantee that car body is in various motion states can be steady Operation.
Carrying platform includes glass mat, frame, square tube.Frame is made of aluminum alloy material, and frame is fixed on glass Glass fiberboard lower surface.Square tube is carbon fiber square tube, and two square tubes are secured transverse to framework underside, and two square tubes are mutually equal Row.Four screws pass through frame and glass mat, and the two is linked together.
Independent wheel suspension includes corner brace, shock absorber, motor fixing plate, hinge, and corner brace is stainless steel angle hitch.
Motor fixing plate is set to the lower section of glass mat.Corner brace is mounted on four apex angles of glass mat.Specifically Two corner braces, the outer end of motor fixing plate are fixed in ground in each vertex of glass mat, the upper surface of glass mat On fix three corner braces, and three corner braces on motor fixing plate pass through a root long screw connect.At two of glass mat Two shock absorbers are installed in parallel between corner brace and three corner braces of motor fixing plate.The long spiro nail of shock absorber one end and connecting corner yard Connection, the shock absorber other end are connected with the corner brace on glass mat.The inner end of motor fixing plate is connected by hinge with square tube; The inner end of motor fixing plate is connected by screw with hinge one end, and the hinge other end is fixed in square tube.Reuse long spiro nail one It is secondary to pass through hinge, square tube, frame, so that three is fixed together.
Chassis axle mechanism includes Mecanum wheel, washer, ring flange, bearing, circlip, motor cabinet, shaft coupling, driving electricity Machine.
Motor cabinet is mounted on motor fixing plate, and driving motor is fixed on the inner end of motor cabinet.Four screws pass through motor Hole in fixed plate connects with internal thread hole corresponding on motor cabinet, motor cabinet is fixed on motor fixing plate.Motor cabinet Including bottom plate, inner end plate and outer end plate, inner end plate and outer end plate are symmetrically set in the two sides of bottom plate.Ring flange is set to the outer of motor cabinet End.The axis of ring flange is mounted on the outer end plate of motor cabinet by bearing, and driving motor is fixed on the inner end plate of motor cabinet. The axis of ring flange and the output shaft of driving motor are connected between the inner end plate and outer end plate of motor cabinet by shaft coupling, and connection is used Axis device can reduce the impact force that the output shaft of driving motor is subject to, and avoid the damage of driving motor.In the groove of the axis of ring flange In be caught in circlip, and circlip is close to bearing, to limit the axial movement of ring flange.In the outside of ring flange, Mecanum is set Washer is arranged in wheel, Mecanum wheel outside, and three screws sequentially pass through washer, Mecanum wheel, so that Mecanum wheel be consolidated It is scheduled on the outer end of ring flange.Washer can protect the sheet metal component of Mecanum wheel not by excessive screw pressure compressive strain.
The course of work of the invention: after powering on, the axis of chassis upper flange plate is rotated, Omni-mobile platform setting in motion;When The road conditions for encountering road surface protrusion, such as abrupt slope or when sweeping away ladder, work of the motor fixing plate in shock absorber and Mecanum wheel wheel group Starting to rotate counterclockwise under, shock absorber, which is compressed, to shorten, when shock absorber is compressed into a certain degree, will stop compressing, The vibration amplitude for weakening glass mat, plays the role of bradyseism;And the corrective action of shock absorber, motor fixing plate can be passed through, Mecanum wheel wheel group is more effectively landed, so that Omni-mobile platform stabilization is more preferable, bearing capacity is higher.
Above-described embodiment is to invent preferable embodiment, but embodiments of the present invention are not by the limit of above-described embodiment System, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention, It should be equivalent substitute mode, be included within the scope of the present invention.

Claims (10)

1. setting independent suspension Omni-mobile platform in a kind of hinge based on Mecanum wheel, it is characterised in that: flat including carrying Platform, independent wheel suspension, chassis axle mechanism, four groups of independent wheel suspensions, chassis axle mechanism are separately mounted to carrying platform Four vertex, every group of independent wheel suspension, chassis axle mechanism include an independent wheel suspension and a chassis wheel shaft Mechanism;Independent wheel suspension includes corner brace, shock absorber, motor fixing plate, hinge, and motor fixing plate is set to below carrying platform, Corner brace is respectively arranged on carrying platform and motor fixing plate, and shock absorber both ends pass through corner brace respectively and carrying platform, motor are solid The inner end of fixed board connection, motor fixing plate is connected by hinge with carrying platform;Chassis axle mechanism is connected with motor fixing plate.
2. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 1, it is special Sign is: the shock absorber of independent wheel suspension is two, and two shock absorbers are parallel to each other.
3. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 2, it is special Sign is: three corner braces are mounted on the outer end of motor fixing plate, and three corner braces are connected by long spiro nail;Two corner braces are mounted on and hold On carrying platform;Shock absorber one end is connected with long spiro nail, and the shock absorber other end is connected with the corner brace of carrying platform.
4. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 1, it is special Sign is: carrying platform includes glass mat, frame, square tube, and frame is fixed on glass mat lower surface, two square tube cross To being fixed on framework underside, and two square tubes are parallel to each other.
5. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 4, it is special Sign is: corner brace is made of stainless steel material, and square tube is made of carbon fibre materials.
6. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 1, it is special Sign is: chassis axle mechanism includes Mecanum wheel, ring flange, driving motor, and driving motor is installed on motor fixing plate, Driving motor is connected with the inner end of ring flange, and Mecanum wheel is fixedly connected with the outer end of ring flange.
7. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 6, it is special Sign is: further including motor cabinet, motor cabinet includes bottom plate, inner end plate and outer end plate, and inner end plate and outer end plate are symmetrically set in bottom plate Two sides;Motor cabinet is fixed on motor fixing plate by bottom plate, and driving motor is fixed on inner end plate, and the axis of ring flange passes through Bearing is installed on outer end plate.
8. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 7, it is special Sign is: being connected between the axis and driving motor output shaft of ring flange by shaft coupling.
9. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 7, it is special Sign is: further including circlip, circlip is entrapped in the groove of the axis of ring flange, and circlip is close to bearing.
10. independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel according to claim 7, it is special Sign is: further including washer, washer is set to the outside of Mecanum wheel, and screw sequentially passes through washer, Mecanum wheel, ring flange Mecanum wheel to be fixed on ring flange.
CN201811011724.0A 2018-08-31 2018-08-31 Independent suspension Omni-mobile platform is set in a kind of hinge based on Mecanum wheel Pending CN109204595A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110182556A (en) * 2019-05-16 2019-08-30 江南大学 Integral type Omni-mobile chassis
CN110239339A (en) * 2019-05-24 2019-09-17 沈阳大学 One kind being based on V belt translation and Mecanum wheel robot omnidirectional load-carrying bradyseism chassis
CN110466634A (en) * 2019-08-29 2019-11-19 华南理工大学 A kind of omni-directional wheel and three wheel robot chassis of rubber tire combined type
CN110498060A (en) * 2019-08-15 2019-11-26 燕山大学 Mecanum wheel series connection branch leg and its Omni-mobile posture adjustment platform
CN111552070A (en) * 2020-04-20 2020-08-18 宁波大学 Bionic flexible mobile optical imaging device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105479433A (en) * 2016-01-04 2016-04-13 江苏科技大学 Omnidirectional moving transfer robot with Mecanum wheels
KR20160075013A (en) * 2014-12-19 2016-06-29 삼성중공업 주식회사 Supporting apparatus for turn over of hull block and method for turn over of hull block
CN206781461U (en) * 2017-06-08 2017-12-22 中国矿业大学(北京) A kind of Mecanum wheel AGV suspended shock dampers
CN207670523U (en) * 2017-11-16 2018-07-31 上海未来伙伴机器人有限公司 A kind of Omni-mobile obstacle detouring chassis
CN208855775U (en) * 2018-08-31 2019-05-14 华南理工大学 It is a kind of based on setting hinge bradyseism mobile platform in Mecanum wheel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160075013A (en) * 2014-12-19 2016-06-29 삼성중공업 주식회사 Supporting apparatus for turn over of hull block and method for turn over of hull block
CN105479433A (en) * 2016-01-04 2016-04-13 江苏科技大学 Omnidirectional moving transfer robot with Mecanum wheels
CN206781461U (en) * 2017-06-08 2017-12-22 中国矿业大学(北京) A kind of Mecanum wheel AGV suspended shock dampers
CN207670523U (en) * 2017-11-16 2018-07-31 上海未来伙伴机器人有限公司 A kind of Omni-mobile obstacle detouring chassis
CN208855775U (en) * 2018-08-31 2019-05-14 华南理工大学 It is a kind of based on setting hinge bradyseism mobile platform in Mecanum wheel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110182556A (en) * 2019-05-16 2019-08-30 江南大学 Integral type Omni-mobile chassis
CN110239339A (en) * 2019-05-24 2019-09-17 沈阳大学 One kind being based on V belt translation and Mecanum wheel robot omnidirectional load-carrying bradyseism chassis
CN110498060A (en) * 2019-08-15 2019-11-26 燕山大学 Mecanum wheel series connection branch leg and its Omni-mobile posture adjustment platform
CN110498060B (en) * 2019-08-15 2022-06-28 燕山大学 Mecanum wheel series branched chain leg and omnidirectional moving posture adjusting platform thereof
CN110466634A (en) * 2019-08-29 2019-11-19 华南理工大学 A kind of omni-directional wheel and three wheel robot chassis of rubber tire combined type
CN111552070A (en) * 2020-04-20 2020-08-18 宁波大学 Bionic flexible mobile optical imaging device
CN111552070B (en) * 2020-04-20 2021-11-23 宁波大学 Bionic flexible mobile optical imaging device

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