CN209141881U

CN209141881U - Battery carrier assembly

Info

Publication number: CN209141881U
Application number: CN201821772893.1U
Authority: CN
Inventors: 陈西山; 吕振伟; 陈兴龙; 赵军芳; 程芳
Original assignee: Senyuan Automobile Co Ltd
Current assignee: Senyuan Automobile Co Ltd
Priority date: 2018-10-30
Filing date: 2018-10-30
Publication date: 2019-07-23
Anticipated expiration: 2028-10-30

Abstract

The utility model provides a kind of battery carrier assembly, including a left side, right support frame and it is connected to a left side, a left side is in right support frame, the supporting beam that edge left and right between right support frame extends, for carrying the bottom plate of battery pack, supporting beam includes the crossbeam above bottom plate, the left side, right support frame includes " U "-shaped mainboard, mainboard includes front side arm, posterolateral arm and bottom side plate, the front side arm of mainboard, bridge joint is connected with the stringer that front and back extends between posterolateral arm, the mounting plate for installation system attachment is provided between stringer and the bottom side plate, the installation board ends are connect with the bottom side plate of stringer and mainboard respectively；The forward and backward lateral flange towards the fold of the inside of bracket assembly is integrally formed on the front and rear sides edge of mainboard, front side flange and front side arm, rear side flange and posterolateral arm are respectively formed angular turnover structure；Under the premise of guaranteeing installation strength, carry system attachment is facilitated.

Description

Battery carrier assembly

Technical field

The utility model relates to field of vehicle equipment, and in particular to a kind of battery carrier assembly.

Background technique

Currently, the power battery pack of existing pure electric automobile haves the characteristics that number of batteries is more, weight is big, simultaneously because whole The limitation of vehicle parameter, structure size and reliability to battery frame have rigors.

A kind of battery of electric vehicle frame as disclosed in the Chinese utility model patent that Granted publication is CN206510746U, packet It includes mirror-image arrangement and is also secured to the both side plate on vehicle frame and the multilayer crossbeam being fixed between both side plate, side plate is by mainboard And to mainboard same side in the lateral flange and bottom flange composition of 90 ° of folds, lateral flange fitting is fixed on vehicle frame, and crossbeam exists Be evenly arranged into multilayer in vertical direction between both side plate, positioned at bottom crossbeam fitting be fixed on the flange of bottom, bottom with Upper beam is fixed by being placed in the overarm brace of side plate interior sides.The battery of electric vehicle frame side plate is integrated plate, passes through side plate Lateral flange and bottom flange enhancing side plate installation strength, but also heat dissipation weight-reducing hole is offered on side plate.But above-mentioned side plate Structure design can only realize to battery pack side block and as the function of frame support, and in practical applications to side plate Itself may there are also other function requirements, for example need carry other systems attachment, if still being designed using the structure of integrated board, show So it cannot be guaranteed that the design requirement of its intensity and structure size.Therefore it is more simple to need to design a kind of structure, while can be The battery of electric vehicle installation frame of side plate carry attachment.

Utility model content

The purpose of this utility model is to provide a kind of battery carrier assemblies, change battery frame structure reality to solve The problem of existing carry attachment.

To achieve the above object, the technical scheme that the utility model is provided is as follows:

A kind of battery carrier assembly, including left and right support frame and be connected on left and right support frame in left and right branch The supporting beam of edge left and right extension between support, the bottom plate for carrying battery pack, supporting beam include the cross above bottom plate Beam, the left and right support frame include " U "-shaped mainboard, and mainboard includes front side arm, posterolateral arm and bottom side plate, before mainboard Bridge joint is connected with the stringer that front and back extends between side arm, posterolateral arm, is provided between stringer and the bottom side plate for installing The mounting plate of system attachment, the installation board ends are connect with the bottom side plate of stringer and mainboard respectively；The front and rear sides side of mainboard The forward and backward lateral flange towards the fold of the inside of bracket assembly is integrally formed on edge, front side flange and front side arm, rear side flange are with after Side arm is respectively formed angular turnover structure；The both ends of the crossbeam are fixedly connected with the forward and backward lateral flange respectively.

Have the beneficial effect that by support frame be set as include mainboard, lateral flange and bottom flange integrally connected "u"-shaped, Strengthen the intensity as support frame of the support including battery pack including, and compared with the prior art in battery frame, Mainboard is set " u "-shaped by utility model, the lateral space (sky i.e. between the side arm of front and back of battery carrier assembly Between) it is vacant come out, not only alleviate the weight of battery carrier assembly, while facilitating the system attachment installed for fixing battery Mounting plate, mounting plate is fixedly connected with stringer and mainboard, constitutes the structure that " U " adds " T ", this structure can reinforce bracket The integral strength of side keeps the installation of battery carrier assembly more stable；Moreover, the mainboard of the utility model is in both sides of the edge Angular turnover structure has been used, crossbeam has been fixed in forward and backward lateral flange, has enhanced the fixing intensity of crossbeam, has been guaranteed in this way Under the premise of installation strength, so that it may the carry system attachment on the side of crossbeam.

Further, the lower side edge for limiting the mainboard, which is above integrally formed with towards the bottom of fold inside bracket assembly, to be turned over Side, bottom flange and bottom side plate form angular turnover structure, and the supporting beam further includes the preceding bottom bridged between left and right support frame Beam, rear bottom beam, the bottom beam are L shape bending part, and the L shape bending part has orthogonal and integrally connected bottom edgefold And side edgefold, the both ends of the bottom edgefold of the bottom beam bridge on the bottom flange of left and right support frame, and the side edgefold of the bottom beam Both ends be fixedly connected respectively with forward and backward lateral flange；The bottom plate both ends bridge joint is in the preceding bottom beam, the bottom edgefold of rear bottom beam On.

Have the beneficial effect that bottom flange and bottom side plate form angular turnover structure, bottom beam is L shape bending part, the bottom of bottom beam Flanging bridges on the bottom flange of left and right support frame, and the both ends of the side edgefold of bottom beam are fixedly connected with forward and backward lateral flange, in this way It is arranged on the bottom flange and lateral flange that bottom beam can be made to be placed on left and right support frame integrally connected, battery carrier assembly passes through branch Support self structure just has been able to form the preliminary support to bottom beam, compared with prior art, the support frame of the utility model It can be realized to bottom beam in block in the front-back direction, and bottom beam can carry out block to battery pack front-rear direction, simplification finishes Structure also enhances whole installation strength.

Further, the middle part for limiting the mounting plate is equipped with to recess on the outside of battery carrier assembly and along mounting plate The " u "-shaped groove that upper and lower two sides extend, the bottom portion of groove are equipped with the mounting hole for installation system attachment.

It has the beneficial effect that because being fixedly installed with battery pack on the inside of mounting plate, needs to reserve installation in fixed plate The position in hole, the groove being recessed on the outside of battery carrier assembly is arranged in mounting plate along mounting plate central axes, and bottom portion of groove is set Mounting hole is set, in this way in fixing fitting, the part that fastener protrudes into fixed plate will be located in groove without influencing whether to store Battery pack in battery bracket assembly ensure that the safety of battery pack, while the setting of groove is also able to ascend fixed part Intensity.

Further, it limits the crossbeam and stringer is section as L shape angle-shaped piece, the L shape angle-shaped piece has Orthogonal and integrally connected apex angle while and when side angle, be provided with the cross being fixedly connected with vehicle frame on the apex angle side of the crossbeam Beam connecting hole, the both ends on the side angle side of the crossbeam are connect with the forward and backward lateral flange with left and right support frame respectively, described left and right The upper end of the forward and backward lateral flange of support frame is provided with for the battery carrier assembly support frame fixed with vehicle frame to be connect Hole.

Have the beneficial effect that crossbeam is set as L shape angle-shaped piece, the side angle side of crossbeam is equipped with the crossbeam fixed with vehicle frame and connect Hole, setting can not only guarantee its installation strength in this way, and crossbeam and being connected and fixed for support frame can be made not to interfere with each other；And It is fixedly connected by both connection types, can be improved the stability of battery carrier assembly.

Further, it limits and is fixedly connected between the crossbeam and bottom beam of side before or after the battery carrier assembly Have at least one fixed plate for fixed system attachment, the side for being fixed with fixed plate of the battery carrier assembly in At least two crossbeams being arranged above and below are connected in the forward and backward lateral flange of left and right support frame, the dead plate upper end is equipped with and turns over Edge, described turn edge connect with the apex angle side of the crossbeam, connect in the middle part of the fixed plate with the crossbeam；The fixed plate setting There is the fixation hole for fixed system attachment.

It has the beneficial effect that and is connected and fixed plate between crossbeam and bottom beam, facilitate attached according to Structural Design Requirement increase system Part, fixed plate itself are fixed on the outside of battery carrier assembly, will not influence the work of battery pack, while passing through fixed plate It turns edge and is connect with the apex angle side of crossbeam, ensure that the installation strength of fixed plate.

Further, the bottom plate is limited to be arranged on the bottom edgefold of the preceding bottom beam, rear bottom beam, adjacent bottom plates it Between have support battery pack horizontal spacing.

It has the beneficial effect that and bottom plate interval is arranged, allow battery pack to be placed on adjacent two bottom plate, alleviate the weight of bottom plate Amount.

Further, it limits and is connected at least one set of battery locking device for being used to compress battery pack, institute on the bottom plate Stating battery locking device includes connecting rod, the pressing plate for compressing battery and the clamp nut for locking pressure plate, the connection Bar lower end is fixedly connected with the bottom plate, and the connecting rod upper end passes through pressing plate and is threadedly coupled with clamp nut, the pressing plate With the bridge being crossed between adjacent cell packet.

It has the beneficial effect that and battery pack is compressed by setting battery locking device, battery locking device with bottom plate by connecting Connecting rod cooperation compress the pressing plate of battery pack battery pack compressed, battery locking device structure is simple, by battery lock Tight device bottom plate interval setting compresses two adjacent groups battery pack by the way that at least one set of locking device is arranged simultaneously.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the embodiment of the battery carrier assembly of the utility model；

Fig. 2 is the structural schematic diagram of the mounting plate of the embodiment of the battery carrier assembly of the utility model；

Fig. 3 is the structural schematic diagram of the support frame of the embodiment of the battery carrier assembly of the utility model；

Fig. 4 is the structural schematic diagram of the fixed plate of the embodiment of the battery carrier assembly of the utility model；

Fig. 5 is state diagram when being assemblied on vehicle frame of the embodiment of the battery carrier assembly of the utility model；

In figure, 1- mounting plate；111- mounting hole；112- groove；2- left support frame；The bottom 21- flange；22- lateral flange；23- Mainboard；24- support frame connecting hole；3- pressing plate；4- clamp nut；5- third crossbeam；6- fixed plate；611- fixation hole；612- mistake String holes；7- first crossbeam；Bottom beam before 8-；Bottom beam after 9-；10- bottom plate；11- connecting rod；12- vehicle frame；13- battery pack；14- second Crossbeam；15- stringer；16- right support frame；The 4th crossbeam of 17-；18- crossbeam connecting hole.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

The embodiment of the battery carrier assembly of the utility model, as shown in Figure 1, including the left support that left and right is set side by side The bottom of frame 2 and right support frame 16, left support frame 2 and right support frame 16 is connected with the supporting beam extended along left and right.Supporting beam packet It includes: preceding bottom beam 8, rear bottom beam 9, first crossbeam 7, second cross beam 14, third crossbeam 5 and the 4th crossbeam 17.Preceding bottom beam 8, rear bottom beam 9 Between be fixed with bottom plate 10 for carrying battery pack 13.

Left support frame 2 is identical with the structure of right support frame 16, by taking left support frame 2 therein as an example, as shown in figure 3, by Mainboard 23, lateral flange 22 and bottom flange 21 form, and mainboard 23 is " u "-shaped, and mainboard 23 is by forward and backward side arm and under mainboard 23 The " u "-shaped surface plate for holding and being in the composition of the bottom side plate between forward and backward side arm, the edge of forward and backward side arm and is separately positioned on bottom The lower edge integrally connected of the lateral flange 22 of 21 front and rear ends of flange, the bottom side plate edge and 21 edge one of bottom flange of mainboard 23 Body vertically connects (i.e. angular turnover structure), i.e., left support frame 2 is that flange is integrated towards the " u "-shaped inside battery carrier assembly Structure, between the lateral flange 22 for the left support frame 2 being located on the left of battery carrier assembly, and close to " u "-shaped open at one end It is welded with the stringer 15 vertical with lateral flange 22 on mainboard 23 (between i.e. forward and backward side arm), in the bottom side of stringer 15 and mainboard 23 It is welded with the mounting plate 1 being vertically arranged between plate, the upper/lower terminal of mounting plate 1 bottom side plate with stringer 15 and mainboard 23 respectively Welding, is welded with two stringers being arranged above and below 15 between the forward and backward side arm of right support frame 16.

For the structure of mounting plate 1 as shown in Fig. 2, mounting plate 1 is bending plate, the middle part of bending plate bends oriented battery carrier Recess and the groove 112 extended along the upper and lower two sides of mounting plate 1, groove 112 are open towards battery carrier assembly on the outside of assembly Inside, groove 112 penetrate through mounting plate 1, and the bottom of groove 112 is equipped with the mounting hole 111 for installation system attachment, mounting hole 111 are arranged in the arranged on left and right sides of mounting plate 1.

Two foundation beams are welded between the bottom flange 21 of left support frame 2 and the bottom flange 21 of right support frame 16, respectively Preceding bottom beam 8 and rear bottom beam 9, bottom beam are common L shape bending part, and L shape bending part is by bottom edgefold and perpendicular to bottom edgefold Side edgefold constitute, the both ends of the bottom edgefold of preceding bottom beam 8 are respectively welded at the bottom flange 21 of left support frame 2 and right support frame 16 On, the both ends of the side edgefold of preceding bottom beam 8 are respectively welded in the lateral flange 22 of the front end of left support frame 2 and right support frame 16 (i.e. The bottom edgefold and side edgefold of bottom beam are weldingly fixed on the inside of support frame)；Bottom beam 9 is equally symmetrically welded at battery carrier afterwards The rear side of assembly.

Four crossbeams are connected with above bottom beam between left support frame 2 and right support frame 16, four crossbeams include connecting It connects the first crossbeam 7 being arranged above and below in battery carrier assembly front end, second cross beam 14 and is connected to battery carrier assembly The third crossbeam 5 being arranged above and below, the 4th crossbeam 17 of rear end, four crossbeams are common L shape angle-shaped piece, and L shape is angular Part by apex angle while and perpendicular to apex angle while side angle side constitute, first crossbeam 7 and second cross beam 14 are bolted respectively In the lateral flange 22 of 16 front end of left support frame 2 and right support frame, third crossbeam 5 and the 4th crossbeam 17 are respectively welded at left support It, can be by dismantling first crossbeam when dismantling or installing battery pack 13 in the lateral flange 22 of the rear end of frame 2 and right support frame 16 7 and second cross beam 14, facilitate the dismounting of battery pack 13.

Two fixed plates 6 having for fixed system attachment are welded on third crossbeam 5 and the 4th crossbeam 17, such as Fig. 4 institute Show, turning edge for the oriented battery carrier assembly internal bend of one end integrally connected that fixed plate 6 is welded with third crossbeam 5 passes through It turns edge and fixed plate 6 is welded on the apex angle side of third crossbeam 5, the middle part trailing flank of fixed plate 6 and the 4th crossbeam 17 weld；It can According to the design needs, to select installation number and mounting distance, the fixation for fixed system attachment be provided in fixed plate 6 Hole 611, fixation hole 611 are four slotted holes for being symmetricly set on 6 two sides of fixed plate, and power supply is additionally provided in the middle part of fixed plate 6 The cable-through hole 612 that line passes through, while loss of weight can be played the role of.

The bottom plate for carrying battery pack 13 is alternatively arranged between left support frame 2 and the bottom flange 21 of right support frame 16 10,10 both ends of bottom plate are respectively welded on the bottom edgefold of preceding bottom beam 8 and rear bottom beam 9, and 10 liang of inner side edges of adjacent bottom plates are small along spacing In the lateral length of battery pack 13, the center spacing of adjacent bottom plates 10 is greater than the lateral length of battery pack 13, makes 13 bottom of battery pack Portion is crossed on respectively in adjacent bottom plates 10, and two neighboring bottom plate 10 can support the battery pack for being placed on the top of bottom plate 10 13.In the arrangement of same bottom plate 10 connection, there are three battery locking devices, between being connected between the bottom plate 10 of battery locking device The bottom plate 10 of battery locking device is not provided with every one piece.Battery locking device includes the connecting rod being threadedly coupled with bottom plate 10 11, pressing plate 3 for compressing battery pack 13 and being crossed in adjacent two pieces of battery packs 13 and for the compression spiral shell of locking pressure plate 3 Mother 4.Battery locking device is connect by the connecting hole being arranged on bottom plate 10 with bottom plate 10, and 3 both ends of pressing plate is made just to compress two Side battery pack 13 can realize being fixed to the battery pack 13 of corresponding number by the way that multiple groups battery locking device is arranged.

The crossbeam being fixedly connected with vehicle frame 12 is separately provided on the side angle side of first crossbeam 7 and the 4th crossbeam 17 The upper end of the forward and backward lateral flange of connecting hole 18, left support frame 2 and right support frame 16 is provided with the branch being fixedly connected with vehicle frame 12 Support connecting hole 24.

The battery carrier assembly of the present embodiment is when installing and using, as shown in figure 5, first being selected properly according to design requirement The fixed plate 6 of quantity, and after being completed according to the clipping room of design requirement adjustment fixing plate 6 away from the welding of, fixed plate 6, it will store The top of the left and right support frame of battery bracket assembly and vehicle frame 12 are fixed, and first crossbeam 7 and third crossbeam 5 are passed through spiral shell later Bolt and vehicle frame 12 are fixed, and after the completion of battery carrier assembly is fixed, connecting rod 11 is connect with the connecting hole on bottom plate 10, connect After the completion, the bolt of first crossbeam 7 and second cross beam 14 is screwed out, battery carrier assembly is in opening-wide state at this time, is put into electricity Pond packet 13, fixed first crossbeam 7 and second cross beam 14, screwing bolts, install pressing plate 3 and tighten clamp nut 4, by battery pack 13 After fixed completion, the installation system attachment on mounting plate 1 and fixed plate 6 is completed to install after the completion of connection.Need to remove storage When battery bracket assembly, contrary operation can remove battery pack 13 and battery carrier assembly from vehicle frame 12, herein no longer Narration.

In the present embodiment, the bottom flanging welded of the bottom edgefold of bottom beam and left and right support frame, the lateral flange of bottom beam and a left side, The lateral flange of right support frame is welded, and in other embodiments, equally may be used even if one side of bottom beam is welded and fixed with left and right support frame To play fixed effect.

Claims

1. a kind of battery carrier assembly, including left and right support frame and be connected on left and right support frame in left and right support The supporting beam of edge left and right extension between frame, the bottom plate for carrying battery pack, supporting beam include the crossbeam above bottom plate, It is characterized by: the left and right support frame includes " U "-shaped mainboard, mainboard includes front side arm, posterolateral arm and bottom side plate, Bridge joint is connected with the stringer that front and back extends between the front side arm of mainboard, posterolateral arm, is provided between stringer and the bottom side plate For the mounting plate of installation system attachment, the installation board ends are connect with the bottom side plate of stringer and mainboard respectively；Before mainboard The forward and backward lateral flange towards the fold of the inside of bracket assembly, front side flange and front side arm, rear side are integrally formed on both sides of the edge afterwards Flange and posterolateral arm are respectively formed angular turnover structure；The both ends of the crossbeam are fixedly connected with the forward and backward lateral flange respectively.

2. battery carrier assembly according to claim 1, it is characterised in that: the lower side of the mainboard is integrally set along upper There is the bottom flange towards fold inside bracket assembly, bottom flange and bottom side plate form angular turnover structure, and the supporting beam is also wrapped Preceding bottom beam, the rear bottom beam bridged between left and right support frame is included, the bottom beam is L shape bending part, the L shape bending part With orthogonal and integrally connected bottom edgefold and side edgefold, the both ends of the bottom edgefold of the bottom beam are bridged in left and right support On the bottom flange of frame, and the both ends of the side edgefold of the bottom beam are fixedly connected with forward and backward lateral flange respectively；Bottom plate both ends bridge Connect the preceding bottom beam, rear bottom beam bottom edgefold on.

3. battery carrier assembly according to claim 2, it is characterised in that: the middle part of the mounting plate is equipped with to electric power storage Recess and the " u "-shaped groove extended along the upper and lower two sides of mounting plate on the outside of the bracket assembly of pond, the bottom portion of groove is equipped with for installing The mounting hole of system attachment.

4. battery carrier assembly according to claim 1, it is characterised in that: the crossbeam and stringer are that section is L shape angle-shaped piece, the L shape angle-shaped piece have orthogonal and integrally connected apex angle while and when side angle, the crossbeam Be provided with the crossbeam connecting hole being fixedly connected with vehicle frame on apex angle side, the both ends on the side angle side of the crossbeam respectively with left and right branch The forward and backward lateral flange of support connects, and the upper end of the forward and backward lateral flange of the left and right support frame is provided with for by battery The support frame connecting hole that bracket assembly and vehicle frame are fixed.

5. battery carrier assembly according to claim 4, it is characterised in that: the battery carrier assembly preceding and/ Or at least one fixed plate for fixed system attachment, the battery support are fixedly connected between the crossbeam and bottom beam of rear side The side for being fixed with fixed plate of frame assembly is arranged above and below in being connected at least two in the forward and backward lateral flange of left and right support frame Crossbeam, the dead plate upper end is equipped with and turns edge, and described turn edge connect with the apex angle side of the crossbeam, in the middle part of the fixed plate and The crossbeam connection；The fixed plate is provided with the fixation hole for fixed system attachment.

6. battery carrier assembly according to claim 2, it is characterised in that: the bottom plate is arranged at the preceding bottom Beam, rear bottom beam bottom edgefold on, between adjacent bottom plates have support battery pack horizontal spacing.

7. battery carrier assembly according to claim 5, it is characterised in that: be connected at least one set of use on the bottom plate In the battery locking device for compressing battery pack, the battery locking device includes connecting rod, the pressing plate for compressing battery and use In the clamp nut of locking pressure plate, the connecting rod lower end is fixedly connected with the bottom plate, and the connecting rod upper end passes through pressing plate And be threadedly coupled with clamp nut, the pressing plate has the bridge being crossed between adjacent cell packet.