CN110371088A - Electric shifting apparatus is changed with what no lateral force was floated - Google Patents
Electric shifting apparatus is changed with what no lateral force was floated Download PDFInfo
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- CN110371088A CN110371088A CN201910565347.3A CN201910565347A CN110371088A CN 110371088 A CN110371088 A CN 110371088A CN 201910565347 A CN201910565347 A CN 201910565347A CN 110371088 A CN110371088 A CN 110371088A
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- 238000007667 floating Methods 0.000 claims abstract description 233
- 239000000758 substrate Substances 0.000 claims abstract description 82
- 238000012546 transfer Methods 0.000 claims abstract description 50
- 238000000034 method Methods 0.000 claims abstract description 22
- 230000008569 process Effects 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims abstract description 6
- 230000007246 mechanism Effects 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 36
- 230000033001 locomotion Effects 0.000 claims description 14
- 230000008602 contraction Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 5
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000032258 transport Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/80—Exchanging energy storage elements, e.g. removable batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
- B60S5/00—Servicing, maintaining, repairing, or refitting of vehicles
- B60S5/06—Supplying batteries to, or removing batteries from, vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Toys (AREA)
- Transmission Devices (AREA)
Abstract
The present invention, which is provided, changes electric shifting apparatus, including lateral transfer ontology, lifting platform ontology, fixed substrate, floating substrate, floating post ontology, clamp system ontology with what no lateral force was floated；Lateral transfer ontology is for providing the driving force that battery component laterally transports；Lifting platform ontology is used for the battery component being lifted on floating substrate；Floating post ontology is used for floating support floating substrate, so that the relatively fixed substrate of floating substrate can float up and down and horizontal float；Clamp system ontology is for fixing floating substrate, so that offsetting floating post ontology bring lateral force in changing electric process.Structure of the invention is ingenious, design is reasonable, reduce shifting apparatus vertical direction size, it changes electric process steadily to go up and down, while battery component being allowed respectively to floating, to reduce the positioning requirements to device, and eliminate the lateral force generated in location free procedure, it avoids battery component generation is unnecessary from colliding with, meets the requirement of the fast quick change electricity of new energy vehicle, it is easy to promote and utilize.
Description
Technical Field
The invention belongs to the field of quick battery replacement, and particularly relates to a battery replacement transfer device with no lateral force floating.
Background
With the increasingly widespread use of various new energy vehicles such as electric vehicles and hybrid vehicles, technologies related to the quick change of batteries and the like are becoming the subject of attention and research. How to timely and effectively provide electric energy supply for the electric automobile with insufficient electric quantity becomes a very concerned problem for manufacturers and owners. The mode of replacing the electric automobile by the battery replacing system is established, namely the fully charged power battery is directly used for replacing the power battery with exhausted energy, so that the supply of electric energy can be completed within minute-level time, and the battery replacing mode is a very efficient electric energy supplementing mode.
Although various power changing modes exist at present, for example, a mobile power changing trolley is adopted to convey batteries to realize automatic battery component replacement, in the power changing process, due to the fact that the space of the vehicle bottom is limited, the power changing trolley cannot easily get in or out of the vehicle bottom after bearing the battery components, if a buried track mode is adopted, the requirement on the overall infrastructure of a power changing station is high, the construction project consumes long time, and the maneuverability is poor; if the scheme of lifting the vehicle is adopted, the requirement on a lifting mechanism is high, the lifting space is relatively large, the safety control difficulty on the whole power exchange process is large, and the energy consumption is high.
On the other hand, in the battery replacement process, the bottom battery pack needs to be accurately and inerrably replaced, the position of the vehicle or the mobile battery replacement trolley needs to be adjusted, but when the vehicle or the mobile battery replacement trolley is positioned and adjusted, errors also exist inevitably, and in order to enable the positioning and aligning actions to be smoothly carried out, a target object needs to be capable of floating freely, namely, the contact surface of the mobile battery replacement trolley with the battery pack and the supporting surface in contact with the vehicle need to be floatable, but the existing mobile battery replacement trolley only can meet the small-amplitude floating in the upper and lower ranges, and cannot be adjusted in the position in the horizontal plane, so that the battery replacement process is difficult to be accurately and efficiently carried out; but the lateral force that produces back to the well of the extremely easy skew intermediate position that takes place of the floating process in the horizontal direction for the battery replacement process can't be stable, leads to installing and easily takes place unnecessary when dismantling and collides with, influences the battery life-span.
In contrast, there is an urgent need to improve the existing transfer apparatus, optimize the structural design thereof, and solve the above problems.
Disclosure of Invention
In order to overcome the defects of the prior art, the power changing and transferring device with the floating without lateral force provided by the invention has the advantages that the size of the transferring device in the vertical direction is reduced, the power changing process is stably lifted, meanwhile, the battery component is allowed to float in all directions, the positioning requirement on the device is reduced, the lateral force generated in the floating process is eliminated, and the unnecessary collision of the battery component is avoided; the requirement of quick battery replacement of the new energy vehicle is met.
The invention provides a power conversion transfer device with no lateral force floating, which comprises a transfer assembly for bearing and conveying battery components; the transfer assembly comprises a transverse transfer body, a lifting platform body, a fixed substrate, a floating column body and a clamping mechanism body; wherein,
the floating column body is connected with the fixed substrate and the floating substrate; the clamping mechanism body is arranged between the fixed substrate and the floating substrate;
the transverse shifting body is used for providing driving force for transverse transportation of the battery pack; the lifting platform body is used for lifting the battery assembly on the floating substrate;
the floating column body is used for floating and supporting the floating substrate so that the floating substrate can float up and down and float horizontally relative to the fixed substrate;
the clamping mechanism body is used for fixing the floating substrate, so that the lateral force caused by the floating column body is counteracted in the power switching process.
Preferably, the transverse transfer body comprises a transverse driving member, a transmission shaft, a reversing structure and a driving gear; wherein,
the transverse driving piece drives the transmission shaft to rotate; the transmission shaft is arranged in a direction vertical to the track; the end part of the transmission shaft is connected with the reversing structure; the reversing structure is used for reversing the rotating motion of the transmission shaft and driving the driving gear to rotate, and the rotating shaft of the driving gear is vertical to the moving direction of the lifting platform body; the driving gear is matched with a rack arranged in the direction of the motion track of the driving transfer device in a motion way; driven by the transverse driving piece, the driving gear drives the lifting platform body to reciprocate along the rail relative to the rack.
Preferably, the lifting platform body comprises a first placing plate, a second placing plate, a lifting driving piece, a lifting guide assembly and a base frame; wherein,
the first placing plate and the second placing plate are used for limiting and bearing a battery assembly;
the fixed part of the lifting driving piece and the lifting guide component is fixed on the base frame; the lifting guide assembly is respectively connected with the first placing plate and the second placing plate, and the movable end of the lifting driving piece is fixedly connected with the first placing plate and/or the second placing plate; the lifting driving piece drives the first placing plate and/or the second placing plate to lift, so that the lifting guide assembly can lift along with the first placing plate and the second placing plate synchronously.
Preferably, the lifting platform body further comprises a connecting rod and a side pushing assembly; two ends of the connecting rod are respectively fixedly connected with the first placing plate and the second placing plate; the movable end of the side pushing assembly is fixedly connected with the first placing plate; the movable end of the side pushing component drives the first placing plate and drives the second placing plate through the connecting rod, so that pushing force for limiting the battery component on the first placing plate and the second placing plate is formed.
Preferably, the floating column body comprises a floating limiting rod, a floating bottom plate, an elastic piece and a supporting piece; the floating bottom plate is sleeved outside the floating limiting rod; the floating limiting rods are positioned on two sides of the floating bottom plate; one end of the floating limiting rod is fixed on the fixed substrate; the floating base plate comprises a first floating plate, and the floating limiting rod penetrates through the first floating plate; a plurality of supporting pieces are fixed on one end face of the floating bottom plate close to the fixed base plate; one end of the elastic piece is abutted against the fixed substrate; the supporting piece and the elastic piece respectively abut against two opposite end faces of the first floating plate, and the floating bottom plate is acted by external force, so that the first floating plate can float relative to the fixed base plate along the direction vertical to the end face of the first floating plate; and a gap is formed between the first floating plate and the floating limiting rod, so that the first floating plate moves along the horizontal direction relative to the fixed base plate.
Preferably, the floating post body further comprises a sleeve; the sleeve is sleeved on the outer wall of the floating limiting rod, and part of the elastic piece is contained in the sleeve; the sleeve is fixed at the bottom of the first floating plate; a gap exists between the sleeve and the floating limiting rod.
Preferably, the clamping mechanism body comprises a clamping block, a clamping driving piece, a clamping structure and a first rotating shaft; the clamping block is fixedly connected with the floating substrate; the clamping driving piece and the clamping structure are fixed on a fixed substrate; the movable end of the clamping driving piece is connected with the clamping structure, and the clamping driving piece drives the clamping structure to move to clamp the outer wall of the clamping block, so that the relative position of a floating substrate and a fixed substrate connected with the clamping block is kept unchanged; the first rotating shaft is used for connecting the two clamping structures so as to enable the two clamping structures to move synchronously.
Preferably, the clamping structure comprises a friction block and a contraction structure; the two ends of the friction block are connected with the contraction structure; the movable end of the clamping driving piece is connected with the contraction structure, and the clamping driving piece drives the contraction structure to contract so that the friction block is tightly pressed on the clamping block; the contraction structure comprises a first rod piece and a second rod piece; the first rod piece is pivoted with the second rod piece, and two ends of the friction block are respectively pivoted with the first rod piece or the second rod piece; and a pivot shaft of the first rod piece and the second rod piece is connected with the movable end of the clamping driving piece.
Preferably, the clamping mechanism body further comprises a transmission block and a support frame; the supporting frame is used for supporting the clamping driving piece and the clamping structure; the transmission block penetrates through the support frame; one end of the transmission block is connected with the movable end of the clamping driving piece, and the other end of the transmission block is connected with the pin-jointed shaft of the first rod piece and the second rod piece.
Preferably, the two floating column bodies are symmetrically distributed on two sides of the clamping mechanism body.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a power conversion transfer device with no lateral force floating, which comprises a transfer assembly for bearing and conveying battery components; the transfer assembly comprises a transverse transfer body, a lifting platform body, a fixed substrate, a floating column body and a clamping mechanism body; the floating column body is connected with the fixed substrate and the floating substrate; the clamping mechanism body is arranged between the fixed substrate and the floating substrate; the transverse shifting body is used for providing driving force for transverse transportation of the battery pack; the lifting platform body is used for lifting the battery assembly on the floating substrate; the floating column body is used for floating and supporting the floating substrate so that the floating substrate can float up and down and float horizontally relative to the fixed substrate; the clamping mechanism body is used for fixing the floating substrate, so that the lateral force brought by the floating column body is offset in the power exchange process. The device has the advantages of ingenious structure and reasonable design, reduces the size of the transfer device in the vertical direction, is stable in the battery replacement process, allows the battery assembly to float in all directions, reduces the positioning requirement on the device, eliminates the lateral force generated in the floating process, avoids unnecessary collision of the battery assembly, meets the requirement of rapid battery replacement of the new energy vehicle, and is convenient to popularize and apply.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a schematic view of an overall structure of an electric transfer apparatus with no side force floating according to an embodiment of the present invention;
fig. 2 is a schematic view of an overall structure of a lateral transfer body according to an embodiment of the present invention;
fig. 3 is a schematic view of an overall structure of a lateral transfer body according to an embodiment of the present invention;
FIG. 4 is a schematic view of an overall structure of a lift table body according to an embodiment of the present invention;
FIG. 5 is a schematic view of a portion of a lifter body according to an embodiment of the present invention;
FIG. 6 is a schematic view of the fork structure and the connecting rod of the present invention;
FIG. 7 is a schematic diagram of the overall structure of a scissors fork configuration in one embodiment of the present invention;
FIG. 8 is a bottom view of the body of the lift platform according to an embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a side-pushing assembly in one embodiment of the present invention;
FIG. 10 is a schematic view of an embodiment of a body of a lift platform using floating pillars;
FIG. 11 is a schematic view of the interconnection of the scissor fork structure, floating post body, clamping mechanism body in one embodiment of the present invention;
FIG. 12 is an elevation view of the floating post body and clamping mechanism body of one embodiment of the present invention;
FIG. 13 is a partial front view of the present invention in the embodiment of FIG. 12;
FIG. 14 is a partial schematic view of the embodiment of FIG. 12;
FIG. 15 is a partial schematic structural view of a floating column body according to an embodiment of the present invention;
FIG. 16 is a schematic view of the overall structure of a clamping mechanism body in one embodiment of the invention;
FIG. 17 is an elevation view of a clamping mechanism body in one embodiment of the invention;
FIG. 18 is a partial schematic view of a clamping mechanism body according to an embodiment of the present invention
Shown in the figure:
floating column body 650, floating limit rod 651, floating bottom plate 652, elastic piece 653, sleeve 654, support 655, clamping mechanism body 660, fixed column 661, clamp block 662, clamp driving piece 663, transmission block 664, first rod piece 665, friction block 666, first rotating shaft 667, second rod piece 668, support frame 669, transfer assembly 800, transverse transfer body 810, hood 8101, transverse drag chain 8102, rail 8103, transverse driving piece 811, speed reducing structure 812, transmission shaft 813, reversing structure 814, drive gear 815, coupling 816, bearing seat 817, position detection assembly 819, lifting platform body 840, first placing plate 841, second floating plate 8411, first floating plate 8412, floating hole 8413, second placing plate 842, scissor fork structure 843, fixed connection 8431, first fork rod 8432, movable connection 8433, connection rotating shaft 8334, second fork rod 8435, connection rod 844, side push assembly 845, and side push assembly, A thrust motor 8451, a lead screw 8452, a first driving wheel 8453, a second driving wheel 8454, a lifting driving motor 8461, a rigid chain base 8462, a rigid chain moving connecting block 8463 and a first fixing plate 847.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
The power conversion transfer device with no side force floating, as shown in fig. 1, includes a transfer assembly 800 for carrying and transporting battery components; the transfer assembly 800 comprises a transverse transfer body 810, a lifting platform body 840, a fixed substrate, a floating column body 650 and a clamping mechanism body 660; wherein,
the floating column body 650 connects the fixed substrate and the floating substrate; the clamping mechanism body 660 is installed between the fixed substrate and the floating substrate;
the transverse shifting body 810 is used for providing driving force for transverse transportation of the battery pack; the elevating platform body 840 is used for elevating the battery assembly on the floating substrate;
the floating column body 650 is used for floatingly supporting the floating substrate so that the floating substrate can float up and down and float horizontally with respect to the fixed substrate;
the clamping mechanism body 660 is used to secure the floating substrate such that lateral forces from the floating post body 650 are counteracted during a power change.
The following is a detailed description by way of examples, respectively.
Example 1, lateral transfer body 810:
as shown in fig. 2 and 3, the lateral shifting body 810 includes a lateral driving member 811, a transmission shaft 813, a reversing structure 814, and a driving gear 815; wherein,
the transverse driving piece 811 drives the transmission shaft 813 to rotate; the transmission shaft 813 is arranged in a direction vertical to the rail 8103; the end of the transmission shaft 813 is connected with a reversing structure 814; the reversing structure 814 is used for reversing the rotation of the transmission shaft 813 and driving the driving gear 815 to rotate, and the rotating shaft of the driving gear 815 is vertical to the movement direction of the lifting platform body 840; the driving gear 815 is matched with a rack 818 arranged in the direction of the motion track of the driving transfer assembly 800 in a moving way; driven by the transverse drive 811, so that the drive gear 815 drives the elevating table body 840 to reciprocate along the rail 8103 relative to the rack 818. In this embodiment, the lateral movement of the transfer assembly 800 is realized by the engagement of the driving gear 815 and the rack 818, and meanwhile, because the gear and rack transmission precision is high, the transfer assembly 800 does not need to adopt an additional positioning device to position the movement position of the mechanism; on the other hand, the rack 818 installed on both sides of the rail 8103 is combined with the reversing structure 814, so that the overall height of the transfer assembly 800 is reduced compared with the transverse transmission mode of a synchronous belt.
In a preferred embodiment, as shown in fig. 3, the lateral transfer body 810 further comprises a deceleration structure 812; drive shaft 813 is coupled to a transverse drive 811 through a speed reduction arrangement 812 to reduce the rotational speed of drive shaft 813 and increase the torque of drive shaft 813. In this embodiment, the transverse drive 811 is a servo motor, and the reduction mechanism 812 comprises two sprockets coupled by a drive chain; the rotating shafts of the two chain wheels are arranged up and down or front and back by taking the moving direction of the track 8103 as the front and back direction and taking the direction vertical to the moving direction of the track 8103 as the up and down direction.
In a preferred embodiment, as shown in fig. 3, the lateral transfer body 810 further includes a coupling 816 and a bearing seat 817; the two transmission shafts 813 are connected through a coupling 816; the tail ends of the two transmission shafts 813 are connected with a reversing structure 814; bearing block 817 serves to support drive shaft 813. In this embodiment, a power device drives the two transmission shafts 813 through the coupling 816, and the coupling 816 is adopted to eliminate the phenomenon of unbalanced loads on two sides, so that the problem that the overall operation is unstable due to uneven stress on two ends when a single transmission shaft 813 is adopted is avoided, and the battery replacement is influenced.
In a preferred embodiment, as shown in fig. 3, the two driving gears 815 are symmetrically distributed about the decelerating structure 812, further ensuring that the forces on the two sides are the same, and avoiding uneven cumulative loads.
In a preferred embodiment, the reversing structure 814 comprises a worm gear or a face gear or bevel gear. As shown in fig. 2, when the reversing structure 814 is two mutually engaging bevel gears, the driving gear 815 rotates coaxially with a bevel gear. The torque output in the horizontal direction is converted into the torque output in the vertical direction through the two bevel gears.
In a preferred embodiment, as shown in fig. 1, the transverse shifting body 810 further comprises a hood 8101, and the hood 8101 wraps the reversing structure 814, so as to ensure the transmission reliability of the reversing structure 814.
In a preferred embodiment, as shown in fig. 3, the lateral transfer body 810 further includes a position detection assembly 819; the position detection assembly 819 is used for detecting the position of the transverse shifting body 810; the position detection assembly 819 includes a proximity switch, a photosensor. The position of the battery component on the transfer assembly 800 is sensed by providing the detection component 819 during the stroke.
According to the invention, the racks 818 arranged on the two sides of the track 8103 are combined with the reversing structure 814, so that the overall height of the transfer assembly 800 is reduced compared with a transverse transmission mode of a synchronous belt; meanwhile, the transverse movement stability and reliability of the battery replacement transfer trolley are ensured by matching with the transverse drag chain 8102. The invention has the advantages of ingenious structure and reasonable design, realizes transverse movement by adopting a gear and rack transmission mode, reduces the whole height of the structure, saves a mechanical positioning structure, and simultaneously has reliable and stable operation of the mechanism.
Example 2, lifting table body 840:
as shown in fig. 4 to 9, the lifting platform body 840 includes a first placing plate 841, a second placing plate 842, a lifting driving member, a lifting guiding assembly, and a base frame; wherein,
the first placing plate 841 and the second placing plate 842 are used for limiting and bearing the battery assembly; in this embodiment, the first placing plate 841 is used to limit the ends and sides of the battery pack, and the second placing plate 842 is used to limit the sides of the battery pack; the first placing plate 841 and the second placing plate 842 are configured with a U-shaped positioning and limiting structure to position and lift the battery assembly.
The fixed part of the lifting driving piece and the lifting guide component is fixed on the base frame; the lifting guide assembly is respectively connected with the first placing plate 841 and the second placing plate 842, and the movable end of the lifting driving piece is fixedly connected with the first placing plate 841 and/or the second placing plate 842; the lifting driving member drives the first placing plate 841 and/or the second placing plate 842 to lift, so that the lifting guide assembly can lift and lower along with the first placing plate 841 and the second placing plate 842 synchronously. In a preferred embodiment, the lifting driving member comprises one or more of a cylinder, an electric push rod, a rigid chain and a hydraulic cylinder; the power of the lifting platform body 840 is provided by a lifting driving piece, and when the lifting driving piece is a rigid chain, as shown in fig. 5, the lifting driving piece comprises a lifting driving motor 8461, a rigid chain base 8462 and a rigid chain moving connecting block 8463; the lifting driving motor 8461 drives two sides to respectively drive a rigid chain component, a plurality of chain links are stored in the rigid chain base 8462, and the rigid chain movable connecting block 8463 is used for connecting a first placing plate 841 or a second placing plate 842; it should be understood that in fig. 5, to avoid cluttering, the links of the rigid chain are shown by default and should not be construed as an irrational solution.
As shown in fig. 6 and 7, in an embodiment, the lifting guide assembly is a scissor fork structure 843; the scissors fork structure 843 is fixedly connected with the first placing plate 841; the scissors fork structure 843 is movably connected to the second holding plate 842. In this embodiment, as shown in fig. 7, the scissors structure 843 includes a fixed connection portion 8431, a first fork rod 8432, a movable connection portion 8433, a connection rotation shaft 8334, and a second fork rod 8435; the first fork rod 8432 and the second fork rod 8435 are pivoted through a connecting rotating shaft 8334; the two ends of the first fork rod 8432 and the second fork rod 8435 are respectively hinged with the fixed connecting part 8431 and the movable connecting part 8433; the fixed connection portion 8431 is fixedly connected to the first holding plate 841, and the movable end of the movable connection portion 8433 is connected to the second holding plate 842. In a preferred embodiment, as shown in fig. 7, the articulating portion 8433 comprises a linear guide, a slider; the linear guide rail is engaged with the slider so that the slider moves in the horizontal direction with respect to the linear guide rail when the second placing plate 842 is lifted. Preferably, the linear guide is fixedly connected with the second placing plate 842; the slider is hinged to the second fork rod 8435 such that the linear guide does not interfere with the hinged portion of the second fork rod 8435 when the slider moves relative to the linear guide.
In a preferred embodiment, as shown in fig. 6, the lift platform body 840 further includes a connecting rod 844; the two ends of the connecting rod 844 are fixedly connected with the first placing plate 841 and the second placing plate 842 respectively, and the horizontal relative position between the first placing plate 841 and the second placing plate 842 is kept unchanged. It should be understood that; the battery pack is placed and placed on the board 841 and the second board 842 with the first board 841 and the second, and the first board 841 and the second board 842 are placed to form the horizontal position of the upper surface of the limited, the connecting rod 844 is respectively connected with the bottom of the first board 841 and the second board 842 with the first board 841 and the second board 842 is placed to form the horizontal position of the bottom surface of the limited, and the structure is more stable.
As shown in fig. 8, the lifting platform body 840 further comprises a side pushing component 845, wherein a movable end of the side pushing component 845 is fixedly connected with the first placing plate 841; the movable end of the side pushing component 845 drives the first placing plate 841 and drives the second placing plate 842 through the connecting rod 844, so that pushing force for the battery components limited on the first placing plate 841 and the second placing plate 842 is formed. In this embodiment, the side pushing component 845 is used for pushing the battery component away from the vehicle body joint after the battery component is unlocked, so that the battery component can be rapidly detached in the lifting process.
In a preferred embodiment, as shown in fig. 9, the side push assembly 845 includes a thrust motor 8451, a lead screw 8452; the thrust motor 8451 is fixedly connected with the base frame, and the moving part of the lead screw 8452 is fixedly connected with the first placing plate 841; the thrust motor 8451 drives the lead screw moving portion 8452 so that the first placing plate 841 moves horizontally with respect to the base frame. In this embodiment, in order to reduce the size of the unidirectional transmission structure and adjust the rotation speed and torque of the lead screw 8452, the side pushing assembly 845 further comprises a first driving wheel 8453 and a second driving wheel 8454; the first driving wheel 8453 is connected with a thrust motor 8451, and the second driving wheel 8454 is connected with a screw rod 8452; the first drive wheel 8453 is coupled to a second drive wheel 8454 via a timing belt or drive chain.
Embodiment 3, floating post body 650 and clamping mechanism body 660:
as shown in fig. 10-18, the floating post body 650 connects the fixed substrate and the floating substrate; the clamping mechanism body 660 is installed between the fixed substrate and the floating substrate; wherein;
the floating column body 650 is used for floatingly supporting the floating substrate so that the floating substrate can float up and down and float horizontally with respect to the fixed substrate;
the clamping mechanism body 660 is used to secure the floating substrate such that lateral forces from the floating post body 650 are counteracted during a power change.
In this embodiment, as shown in fig. 11 and fig. 10, the floating substrate is a first placing plate 841, and the fixed substrate is a first fixing plate 847. In one embodiment, as shown in fig. 10-14, the floating substrate includes a first floating plate 8412, a second floating plate 8411 for carrying the battery assembly; the mounting basically includes a first mounting plate 847 for attachment to a scissor fork arrangement 843. In this embodiment, as shown in fig. 11 and 12, the two floating post bodies 650 are symmetrically distributed on both sides of the clamping mechanism body 660, and the direction or the component of the direction of the equivalent force of the floating substrate fixed by the clamping mechanism body 660 is located on the plane of the central balance position of the two floating post bodies 650, as shown in fig. 12, the position of the clamping mechanism body 660 clamping the clamping block 662 approximately coincides with the central position of the two floating post bodies 650, so as to balance the overall stress in all directions,
in one embodiment, the second floating plate 8411 is used to support a battery assembly; the floating bottom plate 652 of the floating column body 650 is sandwiched between the first floating plate 8412 and the second floating plate 8411. As shown in fig. 14, the second floating plate 8411 is located above the first floating plate 8412, a floating hole 8413 is formed in the second floating plate 8411, and the floating stopper 651 can move relatively in any direction in the horizontal plane in the floating hole 8413; when the battery pack is placed on the support frame on the second floating plate 8411, the second floating plate 8411 can float in the vertical direction under the action of the elastic piece 653 according to the difference of the vehicle bottom distance and the height of the battery pack, and meanwhile, the second floating plate 8411 and the first floating plate 8412 carry the battery pack to move together in the horizontal direction due to the gaps among the second floating plate 8411, the first floating plate 8412 and the floating limiting rod 651; thereby reduce battery pack's the location degree of difficulty, avoid leading to the unable problem of installing and changing of battery pack because of positioning error.
At least three floating column bodies 650 are distributed between the fixed substrate and the floating substrate. As shown in fig. 10, four floating pillar bodies 650 are distributed between the fixed substrate and the floating substrate, so that the symmetrical structure ensures that the forces applied in all directions are relatively distributed to the supporting members 655 of each floating pillar body 650, thereby ensuring the reliability of the transfer assembly 800.
As shown in fig. 13 and 15, the floating column body 650 includes a floating base plate 652, an elastic member 653, and a supporting member 655; a plurality of supporting pieces 655 are fixed on one end face of the floating bottom plate 652 close to the fixed base plate; one end of the elastic member 653 abuts against the fixed substrate; the supporting member 655 and the elastic member 653 respectively abut against two opposite end surfaces of the first floating plate 8412, and the floating base plate 652 is subjected to an external force, so that the first floating plate 8412 can float relative to the fixed substrate in a direction perpendicular to the end surface of the first floating plate 8412. In this embodiment, the fixed substrate is the first fixed plate 847, it should be understood that the elastic force of the elastic element 653 can be transmitted through the floating bottom plate 652 disposed on the first floating plate 8412, and when the actual height of the battery pack is adjusted as required during the battery replacement process, the battery replacement platform equipped with the floating post body 650 has the ability to float up and down due to the existence of the elastic element 653, so as to reduce the positioning requirement for battery replacement and facilitate quick battery replacement.
In a preferred embodiment, as shown in fig. 15, the floating post body 650 further comprises a floating stop lever 651; the floating bottom plate 652 is sleeved outside the floating limiting rod 651; the floating limiting rods 651 are positioned on two sides of the floating bottom plate 652; one end of the floating limiting rod 651 is fixed on the fixed substrate; the floating stopper rod 651 penetrates the first floating plate 8412; a gap is formed between the first floating plate 8412 and the floating stopper 651, so that the first floating plate 8412 moves in a horizontal direction with respect to the fixed base plate. In this embodiment, the floating limiting rod 651 forms the center positions of the first floating plate 8412 and the second floating plate 8411 in the horizontal direction, and simultaneously, the first floating plate 8412 and the second floating plate 8411 rub against each other through the supporting member 655 to form a relative movement, so that the first floating plate 8412 or the second floating plate 8411 carrying the battery assembly can move relative to the first fixing plate 847 in the horizontal direction, the requirement for positioning in the horizontal plane is reduced, and the battery replacement efficiency is improved.
In a preferred embodiment, as shown in fig. 13, the elastic member 653 is sleeved on the outer wall of the floating stop lever 651. In the present embodiment, the elastic member 653 is a spring, and it should be understood that the spring is illustrated schematically and not limited in any length and scale relationship.
In a preferred embodiment, as shown in FIG. 15, the floating post body 650 further includes a sleeve 654; the sleeve 654 is sleeved on the outer wall of the floating stop rod 651, and a part of the elastic element 653 is accommodated in the sleeve 654. As shown in fig. 13, the sleeve 654 is secured to the bottom of the first floating plate 8412; a gap exists between the sleeve 654 and the floating stop rod 651. It should be appreciated that a sleeve 654 may also be provided on the first retaining plate 847 for defining a spring adjacent to a portion of the first retaining plate 847; in this embodiment, the spring near the first fixed plate 847 is fixed, and when the position in the horizontal direction floats, the sleeve 654 fixed to the bottom of the first floating plate 8412 simultaneously displaces in the horizontal plane, so that the spring has a phenomenon that the top end of the spring deviates sideways, and after the external force disappears, the spring can automatically return to the initial equilibrium position under the restoring force of the spring.
In a preferred embodiment, in order to prevent the floating bottom plate 652 from being separated from the end of the floating stop rod 651, the end of the floating stop rod 651 close to the floating base plate is further provided with a backstop portion; in this embodiment, the retaining portion may be a shoulder abutting against the upper end surface of the floating bottom plate 652 or a plurality of nuts threadedly coupled to prevent the floating bottom plate 652 from moving excessively to disengage from the floating stop bar 651 due to excessive spring restoring force.
In a preferred embodiment, as shown in FIG. 15, the support 655 is a gimballed ball, the gimballed ball housing is fixed to the floating bottom plate 652, and the main ball of the gimballed ball contacts the first floating plate 8412; preferably, the number of gimbaled balls is at least three. In this embodiment, four universal balls are adopted to abut against the first floating plate 8412, so that the friction force is sufficiently reduced, and the floating in all directions is free and smooth.
As shown in fig. 16-18, the clamping mechanism body 660 includes a clamp block 662, a clamp driving member 663, a clamping structure; the clamp block 662 is fixedly connected with the floating substrate; the clamping driving piece 663 and the clamping structure are fixed on the fixed base plate; the movable end of the clamp driving member 663 is connected with the clamping structure, and the clamp driving member 663 drives the clamping structure to move to clamp the outer wall of the clamping block 662, so that the relative position of the floating substrate and the fixed substrate connected with the clamping block 662 is kept unchanged. In this embodiment, the clamp block 662 is clamped by the clamping structure to fix the relative position of the second floating plate 8411 with respect to the first fixing plate 847, and the second floating plate 8411 is not floated and can not be restored at this time, so that the lateral force is eliminated, the battery assembly is ensured to be installed at the bottom of the vehicle at the correct position, the electrical connector is prevented from being damaged, and the service life of the battery and the service life of the vehicle are not affected. The clamp driver 663 includes, but is not limited to, an electric push rod, a cylinder, a linear motor, a hydraulic push rod.
In a preferred embodiment, the gripping structure wraps around the outer profile of the clamp block 662, as shown in fig. 16. It should be understood that the clamping structure includes, but is not limited to, jaws, telescoping linkages; in one embodiment, the gripping structure includes a friction block 666, a contracting structure; the two ends of the friction block 666 are connected with the contraction structure; the moveable end of the clamp actuator 663 engages a contracting structure, and the clamp actuator 663 causes the contracting structure to contract so that the friction block 666 presses against the clamp block 662. To increase the friction between the friction block 666 and the contact surface of the clamping block 662, the contact surface may be provided with a knurled surface structure, or rubber may be used to cover the friction block 666 and the clamping block 662.
In a preferred embodiment, as shown in figures 17 and 18, the contracting structure comprises a first rod 665, a second rod 668; the first rod 665 is pivoted with the second rod 668, and two ends of the friction block 666 are respectively pivoted with the first rod 665 or the second rod 668; the first rod 665 is connected to a pivot of the second rod 668 to clamp the movable end of the driving member 663. It will be appreciated that the contracting structure is used to pull the friction blocks 666 so that the two friction blocks 666 change position, either contracting or expanding, to effect clamping or releasing of the clamp blocks 662. In this embodiment, the clamp block 662 is a rectangular block, and when the two friction blocks 666 are released, the friction blocks 666 prevent the floating platform 600 from floating too much, which would cause the clamp block 662 to disengage from the clamping structure.
In a preferred embodiment, as shown in fig. 17 and 18, the clamping mechanism body 660 further comprises a transmission block 664 and a support frame 669; the support frame 669 is used for supporting the clamping driving piece 663 and the clamping structure; the transmission block 664 penetrates through the support 669; the driving block 664 has one end connected to the movable end of the clamping driving member 663 and the other end connected to the pivot shaft of the first rod 665 and the second rod 668. In this embodiment, as shown in fig. 9-11, the clamping driving member 663 is an electric push rod, a movable end of the electric push rod is fixedly connected with the driving block 664, the driving block 664 passes through the middle supporting frame 669 and is connected with the pivot shaft of the first rod member 665 and the second rod member 668, as shown in fig. 10, the driving block 664 is pulled transversely, an included angle between the first rod member 665 and the second rod member 668 becomes smaller, and the clamping block 662 is clamped.
In one embodiment, as shown in fig. 17 and 18, the friction block 666 abuts the top and bottom surfaces of the clamping block 662. In this embodiment, the side forces are eliminated by friction between the top and bottom surfaces of the clamp blocks 662. It should be appreciated that in another embodiment, the friction blocks 666 abut two opposing sides of the clamp blocks 662, and the friction blocks 666 clamp the sides of the clamp blocks 662 (not shown), again to secure the clamp blocks 662.
In a preferred embodiment, to secure the clamp block 662 in all orientations, the clamp mechanism body 660 further includes a first shaft 667; the first shaft 667 is used to connect the two clamping structures so that the two clamping structures move synchronously. In this embodiment, the clamping mechanism body 660 further includes a fixing post 661; one end of the fixing column 661 is fixedly connected to the clamping block 662, and the other end is fixedly connected to the floating substrate; the two clamping structures are symmetrical about the fixing post 661.
The device has the advantages of ingenious structure and reasonable design, reduces the size of the transfer device in the vertical direction, is stable in the battery replacement process, allows the battery assembly to float in all directions, reduces the positioning requirement on the device, eliminates the lateral force generated in the floating process, avoids unnecessary collision of the battery assembly, meets the requirement of rapid battery replacement of the new energy vehicle, and is convenient to popularize and apply.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.
Claims (10)
1. The power conversion shifting device with no side force floating comprises a shifting assembly (800) for bearing and conveying battery components; the method is characterized in that: the transfer assembly (800) comprises a transverse transfer body (810), a lifting platform body (840), a fixed substrate, a floating column body (650) and a clamping mechanism body (660); wherein,
the floating column body (650) is connected with the fixed substrate and the floating substrate; the clamping mechanism body (660) is mounted between the fixed substrate and the floating substrate;
the transverse shifting body (810) is used for providing driving force for transverse transportation of the battery pack; the lifting platform body (840) is used for lifting the battery assembly on the floating substrate;
the floating column body (650) is used for floating and supporting the floating substrate, so that the floating substrate can float up and down and float horizontally relative to the fixed substrate;
the clamping mechanism body (660) is used for fixing the floating substrate, so that the side force brought by the floating column body (650) is counteracted in the battery replacement process.
2. The electric transfer device with no side force floating as claimed in claim 1, wherein: the transverse shifting body (810) comprises a transverse driving piece (811), a transmission shaft (813), a reversing structure (814) and a driving gear (815); wherein,
the transverse driving piece (811) drives the transmission shaft (813) to rotate; the transmission shaft (813) is arranged in a direction vertical to the track (8103); the end of the transmission shaft (813) is connected with the reversing structure (814); the reversing structure (814) is used for reversing the rotary motion of the transmission shaft (813) and driving the driving gear (815) to rotate, and the rotating shaft of the driving gear (815) is vertical to the motion direction of the lifting platform body (840); the driving gear (815) is in motion fit with a rack (818) arranged in the motion trail direction of the driving transfer device (800); driven by the transverse driving piece (811), the driving gear (815) drives the lifting platform body (840) to reciprocate along a track (8103) relative to the rack (818).
3. The electric transfer device with no side force floating as claimed in claim 1, wherein: the lifting platform body (840) comprises a first placing plate (841), a second placing plate (842), a lifting driving piece, a lifting guide assembly and a base frame; wherein,
the first placing plate (841) and the second placing plate (842) are used for limiting and bearing a battery assembly;
the fixed part of the lifting driving piece and the lifting guide component is fixed on the base frame; the lifting guide assembly is respectively connected with the first placing plate (841) and the second placing plate (842), and the movable end of the lifting driving piece is fixedly connected with the first placing plate (841) and/or the second placing plate (842); the lifting driving piece drives the first placing plate (841) and/or the second placing plate (842) to lift, so that the lifting guide assembly can lift synchronously with the second placing plate (842) along with the first placing plate (841).
4. The electric transfer device with no side force floating as claimed in claim 3, wherein: the lifting platform body (840) further comprises a connecting rod (844) and a side pushing assembly (845); two ends of the connecting rod (844) are respectively and fixedly connected with the first placing plate (841) and the second placing plate (842); the movable end of the side pushing component (845) is fixedly connected with the first placing plate (841); the movable end of the side pushing component (845) drives the first placing plate (841) and drives the second placing plate (842) through the connecting rod (844), so that pushing force for battery components limited on the first placing plate (841) and the second placing plate (842) is formed.
5. The electric transfer device with no side force floating as claimed in claim 1, wherein: the floating column body (650) comprises a floating limiting rod (651), a floating bottom plate (652), an elastic piece (653) and a supporting piece (655); the floating bottom plate (652) is sleeved outside the floating limiting rod (651); the floating limiting rods (651) are positioned on two sides of the floating bottom plate (652); one end of the floating limiting rod (651) is fixed on the fixed base plate; the floating base plate comprises a first floating plate (8412), and the floating limiting rod (651) penetrates through the first floating plate (8412); a plurality of supporting pieces (655) are fixed on one end face of the floating bottom plate (652) close to the fixed base plate; one end of the elastic piece (653) is abutted against the fixed substrate; the supporting piece (655) and the elastic piece (653) respectively abut against two opposite end faces of the first floating plate (8412), and the floating bottom plate (652) is acted by external force, so that the first floating plate (8412) can float relative to the fixed base plate along the direction vertical to the end face of the first floating plate (8412); a gap is formed between the first floating plate (8412) and the floating limiting rod (651) so that the first floating plate (8412) moves in the horizontal direction relative to the fixed base plate.
6. The electric transfer device with no side force floating as claimed in claim 5, wherein: the floating post body (650) further comprises a sleeve (654); the sleeve (654) is sleeved on the outer wall of the floating limit rod (651), and part of the elastic piece (653) is accommodated in the sleeve (654); the sleeve (654) is fixed at the bottom of the first floating plate (8412); a gap exists between the sleeve (654) and the floating limit rod (651).
7. The electric transfer device with no side force floating as claimed in claim 1, wherein: the clamping mechanism body (660) comprises a clamping block (662), a clamping driving piece (663), a clamping structure and a first rotating shaft (667); the clamping block (662) is fixedly connected with the floating substrate; the clamping driving piece (663) and the clamping structure are fixed on a fixed substrate; the movable end of the clamping driving piece (663) is connected with the clamping structure, and the clamping driving piece (663) drives the clamping structure to move to clamp the outer wall of the clamping block (662), so that the relative position of the floating substrate connected with the clamping block (662) and the fixed substrate is kept unchanged; the first rotating shaft (667) is used for connecting two clamping structures, so that the two clamping structures move synchronously.
8. The electric transfer device with no side force floating as claimed in claim 7, wherein: the clamping structure comprises a friction block (666) and a contraction structure; the two ends of the friction block (666) are connected with the contraction structure; the movable end of the clamping driving piece (663) is connected with the contraction structure, and the clamping driving piece (663) drives the contraction structure to contract so that the friction block (666) is pressed against the clamping block (662); the constriction comprises a first rod (665), a second rod (668); the first rod (665) is pivoted with the second rod (668), and two ends of the friction block (666) are respectively pivoted with the first rod (665) or the second rod (668); the first rod piece (665) is connected with a pivot shaft of the second rod piece (668) through the movable end of the clamping driving piece (663).
9. The electric transfer device with no side force floating as claimed in claim 8, wherein: the clamping mechanism body (660) further comprises a transmission block (664) and a support frame (669); the supporting frame (669) is used for supporting the clamping driving piece (663) and the clamping structure; the transmission block (664) penetrates through the support frame (669); one end of the transmission block (664) is connected with the movable end of the clamping driving piece (663), and the other end is connected with the pivot shaft of the first rod piece (665) and the second rod piece (668).
10. The power change transfer device with no side force floating as claimed in any one of claims 1-9, wherein: the two floating column bodies (650) are symmetrically distributed on two sides of the clamping mechanism body (660).
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| CN201910565347.3A CN110371088B (en) | 2019-06-27 | 2019-06-27 | Power conversion and load shifting device without lateral force floating |
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| CN201910565347.3A CN110371088B (en) | 2019-06-27 | 2019-06-27 | Power conversion and load shifting device without lateral force floating |
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| CN110371088A true CN110371088A (en) | 2019-10-25 |
| CN110371088B CN110371088B (en) | 2024-06-25 |
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