CN104494386B - Adaptive mechanism in transport vehicle driver element - Google Patents

Adaptive mechanism in transport vehicle driver element Download PDF

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Publication number
CN104494386B
CN104494386B CN201410748813.9A CN201410748813A CN104494386B CN 104494386 B CN104494386 B CN 104494386B CN 201410748813 A CN201410748813 A CN 201410748813A CN 104494386 B CN104494386 B CN 104494386B
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China
Prior art keywords
driving
bending part
adaptive mechanism
infrabasal plate
lower carriage
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CN201410748813.9A
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CN104494386A (en
Inventor
袁平
唐洪刚
刘振
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Weifang Lokomo Precision Industry Co Ltd
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Weifang Lokomo Precision Industry Co Ltd
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Abstract

The invention discloses the adaptive mechanism in a kind of transport vehicle driver element, including the driving upper bracket for connection transportation vehicle carriage, and the driving lower carriage for connection transportation car driving wheel, described driving lower carriage is rotatably connected on the lower section driving upper bracket;Also include the pre-multiple elastic devices being pressed in and driving between upper bracket, driving lower carriage, the plurality of elastic device is at least respectively arranged with an elastic device and is distributed in the both sides driving lower carriage pivot center.The adaptive mechanism of the present invention, through roughness pavement, infrabasal plate deflects, low one end, road surface is turned to by one end that road surface is high, two driving wheels are finally made to produce differential seat angle, thus remain that the wheel of transport vehicle contacts with ground, and the pretightning force that spring produces the most afterwards can undertake the pressure suffered by rotating shaft, greatly improves the service life of rotating shaft and lining.

Description

Adaptive mechanism in transport vehicle driver element
Technical field
The present invention relates to a kind of AGV transport vehicle, more precisely, relate in AVG driver element from Adapt to mechanism.
Background technology
In current AGV (Automated Guided Vehicle) industry, driver element form is many Sample, but its structure there is no bigger difference, is substantially the driver element by band damping and pulls load, its Damping is only embodied in above-below direction, and on the one hand driving force will not change because of the increase of load so that Every operational factor during heavy load reduces, and causes vehicle reliability to be deteriorated;On the other hand, AGV exists During by little scope tilted road surface or irregular ditch, it is impossible to realize two driving wheels and grab ground simultaneously, cause Direct of travel is unstable, from adverse consequencess such as controlling differences.
Summary of the invention
The present invention is to solve problems of the prior art, it is provided that a kind of transport vehicle driver element In adaptive mechanism.
In order to realize above-mentioned purpose, the technical scheme is that in transport vehicle driver element from Adapt to mechanism, including the driving upper bracket for connection transportation vehicle carriage, and for connection transportation car The driving lower carriage of driving wheel, described driving lower carriage is rotatably connected on the lower section driving upper bracket;Also Including the pre-multiple elastic devices being pressed in and driving between upper bracket, driving lower carriage, the plurality of elasticity Device is at least respectively arranged with an elastic device and is distributed in the both sides driving lower carriage pivot center.
Preferably, described driving upper bracket includes upper substrate, and is positioned at the first of upper substrate both sides Bending part;Described driving lower carriage includes infrabasal plate, and is positioned at the second bending part of infrabasal plate both sides, Described first bending part and the second bending part are linked together by axis of rotation.
Preferably, described rotating shaft one end and the second bending part Flange joint, the other end penetrates the first folding In the through hole of turn of bilge.
Preferably, the through hole of described first bending part is provided with lining.
Preferably, described through hole takes the shape of the letter U, the through lower end to the first bending part.
Preferably, described elastic device is spring.
Preferably, described infrabasal plate is provided with the spring guide pillar for being socketed lower spring end;Described Upper substrate is provided with adjustment screw, and the lower end of described adjustment screw is fixed with and penetrates for spring upper end Spring spool.
Preferably, the lower end of described infrabasal plate is additionally provided with for fixing having of transport vehicle driving wheel A support plate of hollow cavity.
Preferably, it is provided with multiple triangle between described infrabasal plate and the second bending part and strengthens perpendicular muscle, Described triangle is strengthened perpendicular muscle and is extended to infrabasal plate for connecting the position of a support plate from the second bending part.
Preferably, the sidewall of described support plate is additionally provided with stop block.
The adaptive mechanism of the present invention, is driving the lower end mounting transport vehicle driving wheel of lower carriage, at warp When crossing roughness pavement, infrabasal plate deflects, one end that road surface is high turn to low one end, road surface, Finally make two driving wheels produce differential seat angle, thus remain that the wheel of transport vehicle contacts with ground, Transport vehicle workbench is made to remain level.And pretightning force that spring produces the most afterwards is permissible Undertake the pressure suffered by rotating shaft, say, that the unidirectional big stress making rotating shaft receive become two-way little should Power, pressure suffered by rotating shaft when greatly reducing full-load run, and two-way little reversed of stress frequency Extremely low, the destruction of material can be ignored by alternate stress, thus reduces rotating shaft stress, reduces material mill Damage and destroy, greatly improve the service life of rotating shaft and lining.
Accompanying drawing explanation
Fig. 1 shows the structural representation of adaptive mechanism of the present invention.
Fig. 2 shows the profile of Fig. 1.
Fig. 3 shows that the present invention drives the structural representation of lower carriage.
Fig. 4 shows that the present invention drives the structural representation of upper bracket.
Wherein: 1-drives upper bracket, 2-to drive lower carriage, 3-to prop up support plate, 4-locking nut, 5-bullet Spring sleeve, 6-spring, 7-stop block, 8-lining, 9-adjust screw, 10-infrabasal plate, 11-second Bending part, 12-strip reinforcement, 13-spring guide pillar, 14-triangle strengthen perpendicular muscle, the upper base of 15- Plate, 16-the first bending part, 17-through hole, 25-rotating shaft.
Detailed description of the invention
In order to the technique effect of the technical scheme making to present invention solves the technical problem that, use, acquirement is easy In understanding, below in conjunction with concrete accompanying drawing, the detailed description of the invention of the present invention is described further.
With reference to Fig. 1, the invention provides the adaptive mechanism in a kind of transport vehicle driver element, should be certainly Adapting to mechanism is the attachment structure between transport vehicle vehicle frame and transport vehicle driving wheel, and it includes driving upper Frame 1 and driving lower carriage 2, described driving lower carriage 2 is rotatably connected on driving upper bracket 1 time Side, constitutes the support housing of adaptive mechanism of the present invention.
Wherein, drive upper bracket 1 to be used for fixing connection transportation vehicle carriage, drive lower carriage 2 for solid Determine the drive wheel bracket of connection transportation car.In one specific embodiment of the present invention, with reference to Fig. 4, Described driving upper bracket 1 includes the upper substrate 15 for fixing connection transportation vehicle carriage, and is positioned at First bending part 16 of substrate 15 both sides, this first bending part 16 can be one-body molded with upper substrate 15, It can be such as the downward bending at upper substrate 15 edge;Described driving lower carriage 2 includes infrabasal plate 10, And it being positioned at the second bending part 11 of infrabasal plate 10 both sides, this second bending part 11 can be with infrabasal plate 10 One-body molded, can be such as being folded upward at of infrabasal plate 10 edge, with reference to Fig. 3.Install time Waiting, described first bending part 16 and the second bending part 11 are rotatably connected by rotating shaft 25, from And achieve and drive upper bracket 1 and drive being rotationally connected between lower carriage 2 so that both along turning Axle 25 can relatively rotate, and when being in poised state, infrabasal plate 10 substantially keeps flat with upper substrate 15 OK.
Can be to use mode well-known to those skilled in the art by first bending part the 16, second bending part 11, rotating shaft 25 installs, in an embodiment of the present invention, and one end and second of described rotating shaft 25 Bending part 11 Flange joint, to avoid the situation of bad welding after quenching, and can preferably ensure The axiality at two ends.The other end of rotating shaft 25 penetrates in the through hole 17 of the first bending part 16, with reference to figure 2.For the ease of assembling, the through hole 17 of described first bending part 16 takes the shape of the letter U, through to the first bending The lower end in portion 16.The when of installation, first by the sidewall of one end of rotating shaft 25 Yu the second bending part 11 Rotating shaft 25 together, is then pressed into from the opening part of through hole 17, and uses securing member by Flange joint It is fixed.It may further be preferable that the through hole 17 of described first bending part 16 is additionally provided with lining 8, to avoid the abrasion between rotating shaft 25 and through hole 17.
The adaptive mechanism of the present invention, also include pre-be pressed in driving upper bracket 1, drive lower carriage 2 it Between multiple elastic devices, concrete general, be provided with multiple between upper substrate 15 and infrabasal plate 10 The elastic device of precompressed.In one specific embodiment of the present invention, elastic device uses spring 6, Other elastic device well-known to those skilled in the art can certainly be used, existing with two springs 6 As a example by illustrate.
One end of spring 6 connects upper substrate 15, and the other end connects infrabasal plate 10, and is in precompressed shape State.Wherein, two springs 6 are separately positioned on the both sides of infrabasal plate 10 pivot center, specifically, two Individual spring 6 can be symmetrical with pivot center, it is also possible to is arranged on the diagonal of infrabasal plate 10 On.When the quantity of spring 6 is more, need to ensure in the both sides of infrabasal plate 10 pivot center at least It is respectively arranged with a spring 6, it is preferred that the total dynamics of precompressed of pivot center two lateral spring is consistent, to protect Card infrabasal plate 10 keeps balance with upper substrate 10 when original state.
The adaptive mechanism of the present invention, is driving the lower end mounting transport vehicle driving wheel of lower carriage 2, Through roughness pavement, such as road surface is high, and when road surface is low on one side, infrabasal plate 10 can occur partially Turn, one end that road surface is high turn to low one end, road surface, finally make two driving wheels produce differential seat angles, Thus remain that the wheel of transport vehicle contacts with ground, make transport vehicle workbench remain horizontal State;In the traveling process of transport vehicle, remain that four-wheel grabs ground so that transport vehicle runs more steady, Controllability is higher, and different from tradition non-bearing driver element, it is provided that bigger earth-grasping force and driving Ability.
The adaptive mechanism of the present invention, the pretightning force that spring produces the most afterwards can undertake in rotating shaft 25 Suffered pressure.It is to say, the unidirectional big stress making rotating shaft 25 receive becomes two-way little stress, Pressure suffered by rotating shaft when greatly reducing full-load run, and two-way little reversed of stress frequency is extremely low, The destruction of material can be ignored by alternate stress, thus reduces rotating shaft 25 stress, reduce material abrasion and Destroy, greatly improve the service life of rotating shaft and lining.
Those skilled in the art can use existing structure to install spring 6, in the present invention, in institute State the spring guide pillar 13 being provided with on infrabasal plate 10 for being socketed spring 6 lower end;Described upper substrate 15 Being provided with adjustment screw 9, this adjustment screw 9 screws in upper substrate 15 from the upper end of upper substrate 15 End, the lower end at described adjustment screw 9 is fixed with the spring spool 5 penetrated for spring 6 upper end. The when of installation, the lower end of spring 6 is enclosed within spring guide pillar 13, and upper end penetrates in spring spool 5. Can rise or fall with driving spring sleeve 5 by rotating adjustment screw 9, thus reach to regulate spring The effect of 6 pretightning forces, certainly, in order to prevent from adjusting the play voluntarily of screw 9, is adjusting screw 9 On locking nut 4 also can be set, this belongs to existing technology, no longer illustrates at this.
The adaptive mechanism of the present invention, the lower end of described infrabasal plate 10 is additionally provided with for fixing transport vehicle A support plate 3 of drive wheel bracket, this support plate 3 has the inner chamber of hollow, by this support plate 3 turns Be dynamically connected the drive wheel bracket of transport vehicle, and further, the sidewall of described support plate 3 is only additionally provided with Block 7, this stop block 7, for coordinating with the corresponding component in mounting bracket, prevents drive wheel bracket Transition rotate.
For ensure this adaptive mechanism can keep under big load (such as 300kg) higher rigidity with Reliability, improves its security performance and service life, described infrabasal plate 10 and the second bending part 11 it Between be provided with multiple triangle and strengthen perpendicular muscle 14, described triangle strengthens perpendicular muscle 14 from the second bending part 11 extend on infrabasal plate 10 for connecting the position of a support plate 3.Certainly, at infrabasal plate 10 Edge strip reinforcement 12 also can be set, greatly improve rigidity and the security performance of sheet metal component, Service life is greatly improved.
The present invention is by preferred embodiment having carried out detailed explanation.But, by above Study carefully, to the change of each embodiment with to increase be aobvious for those of ordinary skill in the art And be clear to.Want it is intended that all these change and increase all fall in right of the present invention Ask in protected scope.

Claims (9)

1. the adaptive mechanism in transport vehicle driver element, it is characterised in that: include for connection transportation The driving upper bracket (1) of vehicle carriage, and the driving lower carriage (2) for connection transportation car driving wheel, Described driving lower carriage (2) is rotatably connected on the lower section driving upper bracket (1);Also include pre-being pressed in driving Multiple elastic devices between upper bracket (1), driving lower carriage (2), in the plurality of elastic device extremely It is respectively arranged with an elastic device less and is distributed in the both sides driving lower carriage (2) pivot center;
Wherein, described driving upper bracket (1) includes upper substrate (15), and is positioned at upper substrate (15) both sides The first bending part (16);Described driving lower carriage (2) includes infrabasal plate (10), and is positioned at infrabasal plate (10) second bending part (11) of both sides, described first bending part (16) and the second bending part (11) pass through Rotating shaft (25) is rotatably connected.
Adaptive mechanism the most according to claim 1, it is characterised in that: described rotating shaft (25) One end and the second bending part (11) Flange joint, the other end penetrates the through hole (17) of the first bending part (16) In.
Adaptive mechanism the most according to claim 2, it is characterised in that: described first bending part (16) through hole (17) is provided with lining (8).
Adaptive mechanism the most according to claim 3, it is characterised in that: described through hole (17) Take the shape of the letter U, the through lower end to the first bending part (16).
Adaptive mechanism the most according to claim 1, it is characterised in that: described elastic device is Spring (6).
Adaptive mechanism the most according to claim 5, it is characterised in that: described infrabasal plate (10) On be provided with the spring guide pillar (13) for being socketed spring (6) lower end;Described upper substrate (15) sets Being equipped with adjustment screw (9), the lower end of described adjustment screw (9) is fixed with for spring (6) The spring spool (5) that end penetrates.
Adaptive mechanism the most according to claim 1, it is characterised in that: described infrabasal plate (10) Lower end be additionally provided with the support plate (3) for fixing transport vehicle driving wheel.
Adaptive mechanism the most according to claim 7, it is characterised in that: described infrabasal plate (10) And it is provided with multiple triangle between the second bending part (11) and strengthens perpendicular muscle (14), described triangle Strengthen perpendicular muscle (14) to extend to be used for connecting support infrabasal plate (10) from the second bending part (11) The position of dish (3).
Adaptive mechanism the most according to claim 7, it is characterised in that: described support plate (3) Sidewall be additionally provided with stop block (7).
CN201410748813.9A 2014-12-09 2014-12-09 Adaptive mechanism in transport vehicle driver element Active CN104494386B (en)

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CN104494386B true CN104494386B (en) 2016-10-05

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5036941A (en) * 1988-11-23 1991-08-06 Wolfgang Denzin Drive unit for a vehicle in a driverless transport system
CN203381689U (en) * 2013-08-21 2014-01-08 广州动进精密机械科技有限公司 Scissor type forward and backward AGV driving unit
CN103899729A (en) * 2014-03-24 2014-07-02 广州市远能物流自动化设备科技有限公司 Differential driving device
CN203793061U (en) * 2014-03-18 2014-08-27 东莞市瑞鹏机器人自动化有限公司 Shock-absorption mechanism of AGV driving unit
CN204278969U (en) * 2014-12-09 2015-04-22 潍坊路加精工有限公司 Adaptive mechanism in transport trolley driver element

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3654032B2 (en) * 1999-03-08 2005-06-02 三菱自動車工業株式会社 Vehicle rigid axle suspension

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5036941A (en) * 1988-11-23 1991-08-06 Wolfgang Denzin Drive unit for a vehicle in a driverless transport system
CN203381689U (en) * 2013-08-21 2014-01-08 广州动进精密机械科技有限公司 Scissor type forward and backward AGV driving unit
CN203793061U (en) * 2014-03-18 2014-08-27 东莞市瑞鹏机器人自动化有限公司 Shock-absorption mechanism of AGV driving unit
CN103899729A (en) * 2014-03-24 2014-07-02 广州市远能物流自动化设备科技有限公司 Differential driving device
CN204278969U (en) * 2014-12-09 2015-04-22 潍坊路加精工有限公司 Adaptive mechanism in transport trolley driver element

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