CN102320235A - Method and device for installing battery box of trolley bus - Google Patents
Method and device for installing battery box of trolley bus Download PDFInfo
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- CN102320235A CN102320235A CN201110253707A CN201110253707A CN102320235A CN 102320235 A CN102320235 A CN 102320235A CN 201110253707 A CN201110253707 A CN 201110253707A CN 201110253707 A CN201110253707 A CN 201110253707A CN 102320235 A CN102320235 A CN 102320235A
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- erecting frame
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Abstract
The invention discloses a method and a device for installing a battery box of a trolley bus. A sliding installation mode with rollers is adopted; the bottom part and the side surface of a battery box installing frame are respectively provided with casters and side rollers, so that when the battery box is placed in the battery box installing frame, the outer wall of the battery box is contacted with the casters arranged at the bottom part in the battery box installing frame and the side surface, and the sliding with the rollers is realized by the casters arranged at the bottom part in the battery box installing frame and the side rollers at the side surface; simultaneously the lower bottom edge of a pushing port of the battery box installing frame is provided with an automatic locking device; and when the battery box is installed in place, the automatic locking device arranged at the lower bottom edge of the pushing port of the battery box installing frame is automatically bounced up to lock and position the battery box. The two sides of the battery box are provided with guide strips, the installing positions of the guide strips are matched with the positions of the side rollers at the side surface of the battery box installing frame, so that the condition that when the battery box is pushed into the battery box installing frame, the guide strips at the inner sides of the side rollers are just matched with the side rollers for side positioning is ensured.
Description
Technical field
The present invention relates to a kind of battery box mounting means and device; Be a kind of elec. vehicle closed-centre system Unit Installation method and device specifically; Make battery box can change dismounting fast through this method and device, solve that closed-center system is changed, problem difficult in maintenance.
Background technology
Since nineteen nineties, energy shock and problem of environmental pollution receive the national governments and the common people's attention day by day.Chinese automobile output had broken through 1,700 ten thousand in 2010; Automobile pollution increases rapidly, and expecting the year two thousand twenty automobile pollution will be above 200,000,000, by current automobile fuel ecomomy horizontal estimated; Consumption will break through 400,000,000 tons in fuel oil for vehicles year; Energy security that brings thus and environmental problem will be more outstanding, and according to the Chinese government electronlmobil planned, form 10,000,000 new-energy automobile scales to the year two thousand twenty.Take a three-stage approach, reached 10,000 in 2010,2015 1000000,10,000,000 of the year two thousand twenties.The automobile of new forms of energy will replace the automobile of 20% traditional fuel; Therefore electronlmobil receives people's attention day by day; And begun progressively to enter into people life, and closed-centre system is as the key components and parts of elec. vehicle, exists that Heavy Weight, volume are big, mounting arrangements and problem such as difficult in maintenance; Closed-center system also need bear the erosion of vibrations, rainwater and dust in vehicle '.The operation technique of resolving energy storage component such as lithium cell, super capacitor etc. has just become the key problem in technology of electric vehicle industrialization development.Present closed-center system, generally use casing that battery packing is fixed after, be mounted on vehicle body through bolted connection, be not easy to the dismounting and the handling labor of closed-center system.Therefore need further to improve.
Summary of the invention
The object of the invention; Exactly in order to overcome the deficiency of existing trackless trolley car battery structure mounting means; Propose a kind of mounting means and the device that can change battery box fast, make battery box can change dismounting fast, solve that closed-center system is changed, problem difficult in maintenance through this method and device.
The present invention solves the problems of the technologies described above the technical scheme that is adopted to be: a kind of trackless trolley car battery box installation method; Adopt the mode that is slidingly installed of band roller; Bottom and side at the battery box erecting frame are installed castor and side wheel respectively; When making battery box in the battery box erecting frame of packing into, the outer wall of battery box and battery box erecting frame inner bottom part caster wheel and contacts side surfaces realize the slip of band roller through the side wheel that is installed in battery box erecting frame inner bottom part caster wheel and side; Simultaneously on the bottom that pushes mouthful of battery box erecting frame, be provided with forced locking device, after battery box is in place, being located at the forced locking device that the battery box erecting frame pushes on mouthful bottom will upspring automatically, and battery box is carried out locking positioning.
As further improvement of the present invention; Both sides at battery box are equipped with sliver, and the side wheel position of the installation site of sliver and battery box erecting frame side matches, when guaranteeing in battery box pushes the battery box erecting frame; Sliver just in time matches with side wheel in the side wheel inboard, carries out lateral register.
As further improvement of the present invention; Described forced locking device is one by the oblique inclined plane slide block of inside-out, and inclined plane slide block is inlaid in pushing on mouthful underframe of battery box erecting frame, is the locking wedge of upspringing; When battery box is pushed in the process of mounting and fixing support; Because battery box bottom and diagonal cut miter joint in push-on process, this inclined plane slide block is depressed, thereby battery box can push installation easily; And after battery box was in place, the spring below this skewback carried out locking positioning with skewback jack-up to battery box.When needing to remove battery box, press inclined plane slide block, battery box can be extracted out fast thereby open through manual or electronic.
According to the device of a kind of trackless trolley car battery box that above-mentioned installation method proposed, comprise the battery box erecting frame, battery box and forced locking device three parts; In the bottom surface of battery box erecting frame the rolled castor more than two rows is installed; Castor is installed in the bottom surface of battery box erecting frame; And can rotation around the axle center; And the last end face of castor is higher than the bottom surface of battery box erecting frame, and each row's castor pushes a mouthful past battery box erecting frame inner face by the battery box erecting frame and vertically arranges; Side at the battery box erecting frame also is equipped with side wheel; Side wheel is installed on the bogie side frame of battery box erecting frame, also is to push a mouthful past battery box erecting frame inner face by the battery box erecting frame vertically to arrange; Pushing on mouthful underframe of battery box erecting frame forced locking device is installed; Forced locking device can automatically lock battery box when battery box is in place, prevent that battery box from skidding off.
As further improvement of the present invention; In the Battery case both sides sliver is installed; The position of the side roller of the installation site of sliver and battery box erecting frame matches; When guaranteeing when battery box pushes the battery box erecting frame in, just in time inboard and side wheel matches sliver at side wheel, carries out lateral register;
As further improvement of the present invention; Described side wheel is that the outer rim of roller is the well base rim that concaves; The sliver of battery box side just in time is stuck in the side wheel well base rim in battery box is installed in the battery box erecting frame time; And guide to battery box in pushing the battery box erecting frame time, carry out the location of side direction.
As further improvement of the present invention; Described forced locking device is one by the oblique inclined plane slide block of inside-out, and inclined plane slide block is inlaid in pushing on mouthful underframe of battery box erecting frame, is the locking wedge of upspringing; When battery box is pushed in the process of mounting and fixing support; Because battery box bottom and diagonal cut miter joint in push-on process, this inclined plane slide block is depressed, thereby battery box can push installation easily; And after battery box was in place, the spring below this skewback carried out locking positioning with skewback jack-up to battery box.When needing to remove battery box, press inclined plane slide block, battery box can be extracted out fast thereby open through manual or electronic.
As further improvement of the present invention, be connected to electromagnet under the described locking wedge, the locking wedge will be retracted to the battery box erecting frame and push mouthful below the underframe plane when electromagnet is switched on, and make things convenient for Battery case to haul out.
As further improvement of the present invention; Described battery box is fixed on the energy storage component (like battery, super capacitor etc.) of elec. vehicle in the casing of battery box, and the blower fan and the dustproof required dustproof filter screen of battery management system (BMS), heat transmission also is installed in casing simultaneously.
As further improvement of the present invention, described castor and side wheel all adopt insulating material to make, and make Battery case be in insulation protection with the mounting and fixing support contact site and contact.
The present invention installs insulating material castor, roller through bottom surface and side at the battery box erecting frame; Can be convenient to install, dismantle so that the big battery box of weight can realize in mounting and fixing support that easily roller slides; Roller through the side; Can failure-free battery box be carried out the location of vertical direction, because what use is insulating material caster wheel, roller, realized insulation protection simultaneously at Battery case and mounting and fixing support contact site; Adopt the battery structure of this fast changeable, make whole Vehicular battery change very easily, when needing to remove battery box,, will lock wedge and suck, battery box can be extracted out fast thereby open to the electromagnet energising of locking wedge below.
Description of drawings
Fig. 1 is an axonometric drawing of the present invention;
Fig. 2 is a front view of the present invention;
Fig. 3 is the partial enlarged drawing of V-type angle steel of the present invention;
Among the figure: 1, battery box erecting frame, 2, battery box, 3, the V-type angle steel, 4, the locking wedge, 5, the V-type pulley, 6, castor, 7, handle.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Can find out through accompanying drawing; The present invention relates to a kind of trackless trolley car battery box installation method; Adopt the mode that is slidingly installed of band roller, in the bottom and the side of battery box erecting frame castor and side wheel are installed respectively, when making battery box in the battery box erecting frame of packing into; The outer wall of battery box and battery box erecting frame inner bottom part caster wheel and contacts side surfaces realize the slip of band roller through the side wheel that is installed in battery box erecting frame inner bottom part caster wheel and side; Simultaneously on the bottom that pushes mouthful of battery box erecting frame, be provided with forced locking device, after battery box is in place, being located at the forced locking device that the battery box erecting frame pushes on mouthful bottom will upspring automatically, and battery box is carried out locking positioning.
As further improvement of the present invention; Both sides at battery box are equipped with sliver, and the side wheel position of the installation site of sliver and battery box erecting frame side matches, when guaranteeing in battery box pushes the battery box erecting frame; Sliver just in time matches with side wheel in the side wheel inboard, carries out lateral register.
As further improvement of the present invention; Described forced locking device is one by the oblique inclined plane slide block of inside-out, and inclined plane slide block is inlaid in pushing on mouthful underframe of battery box erecting frame, is the locking wedge of upspringing; When battery box is pushed in the process of mounting and fixing support; Because battery box bottom and diagonal cut miter joint in push-on process, this inclined plane slide block is depressed, thereby battery box can push installation easily; And after battery box was in place, the spring below this skewback carried out locking positioning with skewback jack-up to battery box.When needing to remove battery box, press inclined plane slide block, battery box can be extracted out fast thereby open through manual or electronic.
According to the device of a kind of trackless trolley car battery box that above-mentioned installation method proposed, comprise the battery box erecting frame, battery box and forced locking device three parts; In the bottom surface of battery box erecting frame the rolled castor more than two rows is installed; Castor is installed in the bottom surface of battery box erecting frame; And can rotation around the axle center; And the last end face of castor is higher than the bottom surface of battery box erecting frame, and each row's castor pushes a mouthful past battery box erecting frame inner face by the battery box erecting frame and vertically arranges; Side at the battery box erecting frame also is equipped with side wheel; Side wheel is installed on the bogie side frame of battery box erecting frame, also is to push a mouthful past battery box erecting frame inner face by the battery box erecting frame vertically to arrange; Pushing on mouthful underframe of battery box erecting frame forced locking device is installed; Forced locking device can automatically lock battery box when battery box is in place, prevent that battery box from skidding off.
As further improvement of the present invention; In the Battery case both sides sliver is installed; The position of the side roller of the installation site of sliver and battery box erecting frame matches; When guaranteeing when battery box pushes the battery box erecting frame in, just in time inboard and side wheel matches sliver at side wheel, carries out lateral register;
As further improvement of the present invention; Described side wheel is that the outer rim of roller is the well base rim that concaves; The sliver of battery box side just in time is stuck in the side wheel well base rim in battery box is installed in the battery box erecting frame time; And guide to battery box in pushing the battery box erecting frame time, carry out the location of side direction.
As further improvement of the present invention; Described forced locking device is one by the oblique inclined plane slide block of inside-out, and inclined plane slide block is inlaid in pushing on mouthful underframe of battery box erecting frame, is the locking wedge of upspringing; When battery box is pushed in the process of mounting and fixing support; Because battery box bottom and diagonal cut miter joint in push-on process, this inclined plane slide block is depressed, thereby battery box can push installation easily; And after battery box was in place, the spring below this skewback carried out locking positioning with skewback jack-up to battery box.When needing to remove battery box, press inclined plane slide block, battery box can be extracted out fast thereby open through manual or electronic.
As further improvement of the present invention, be connected to electromagnet under the described locking wedge, the locking wedge will be retracted to the battery box erecting frame and push mouthful below the underframe plane when electromagnet is switched on, and make things convenient for Battery case to haul out.
As further improvement of the present invention; Described battery box is fixed on the energy storage component (like battery, super capacitor etc.) of elec. vehicle in the casing of battery box, and the blower fan and the dustproof required dustproof filter screen of battery management system (BMS), heat transmission also is installed in casing simultaneously.
As further improvement of the present invention, described castor and side wheel all adopt insulating material to make, and make Battery case be in insulation protection with the mounting and fixing support contact site and contact.
Embodiment one
Shown in accompanying drawing 1; A kind of trackless trolley car is changed the device of battery box fast with drawing and pulling type; Comprise battery box erecting frame 1; Battery box 2 and locking wedge 4 three parts, wherein battery box 2 is fixed on energy storage component such as battery, the super capacitor etc. of elec. vehicle in the casing, and the blower fan and the dustproof required dustproof filter screen of battery management system (BMS), heat transmission also is installed in casing simultaneously; In appropriate location, battery box 2 both sides sliver 3 is installed, sliver 3 is the V-type angle steel, the terminal 45 ° of chamferings of V-type angle steel, and when battery box 2 was pushed in the battery box erecting frame 1, this chamfering can play directional tagging; Pulling handle 7 can make battery box 2 in battery box erecting frame 1, move; And battery box erecting frame 1 is equipped with the organic polyurethane material caster wheel 6 of three rows in the bottom, and each row's castor 6 is vertically arranged; In battery box erecting frame 1 both sides side wheel 5 is installed, side wheel is that outer rim is the vee-type pulley, adopts insulating material to make; According to the side wheel 5 of battery box 2 weight and battery box 2 width layout suitable quantity, can be convenient to install, dismantle so that the big battery box 2 of weight can slide in battery box erecting frame 1 easily through these two groups of castors 6; Through vee-type side wheel 5, can failure-free battery box 2 be carried out the location of lateral; This device is equipped with locking wedge 4 in battery box erecting frame 1 bottom, locking wedge 4 is inlaid in the opening that pushes mouthful underframe of battery box erecting frame, and upper surface is one by the oblique inclined plane slide block of inside-out; Below locking wedge 4 upper surfaces spring is installed; When battery box 2 is pushed in the process of battery box erecting frame 1,, in push-on process, should lock wedge 4 and depress because battery box 2 bottoms engage with locking wedge 4; Thereby battery box 2 can push installation easily; And after battery box 2 is in place, these locking wedge 4 following springs will be locked wedge 4 jack-up, and battery box 2 is carried out locking positioning.
Simultaneously in push-on process; The chamfering of the V-type angle steel of the sliver 3 through battery box 2 both sides leads to battery box 2; And the cooperating of the V-type angle steel of V-type pulley 5 and sliver 3; To, battery box 2 lead to battery box 2 when pushing battery box erecting frame 1 from lateral, and the shifted laterally of limit battery case 2.
When needs are pulled out battery box 2, can earlier locking wedge 4 manually be pressed, directly battery box 2 hauling-outs are got final product again.
Embodiment two
The basic structure of embodiment two is the same with embodiment one Room, and the cross section that is described sliver 3 is a full circle or circular-arc, matches with the outer rim of the side wheel 5 that is installed in battery box erecting frame 1 side, and the outer rim of side wheel 5 is concave circular-arc; And below locking wedge 4 upper surfaces, except spring is installed, also be provided with electromagnet, electromagnet links to each other with locking wedge 4 upper surfaces; When battery box 2 is pushed in the process of battery box erecting frame 1; Because battery box 2 bottoms engage with locking wedge 4; In push-on process, should lock wedge 4 and depress, thereby battery box 2 can push installation easily, and after battery box 2 is in place; Spring below this locking wedge 4 will be locked wedge 4 jack-up, and battery box 2 is carried out locking positioning.
When needs are pulled out battery box 2, can will lock wedge 4 upper surfaces by electromagnet and inhale to the electromagnet energising below locking wedge 4 upper surfaces, realize automatic unlocking; Directly battery box 2 is hauled out again and get final product.
Claims (10)
1. trackless trolley car battery box installation method; It is characterized in that: the mode that is slidingly installed that adopts the band roller; Bottom and side at the battery box erecting frame are installed castor and side wheel respectively; When making battery box in the battery box erecting frame of packing into, the outer wall of battery box and battery box erecting frame inner bottom part caster wheel and contacts side surfaces realize the slip of band roller through the side wheel that is installed in battery box erecting frame inner bottom part caster wheel and side; Simultaneously on the bottom that pushes mouthful of battery box erecting frame, be provided with forced locking device, after battery box is in place, being located at the forced locking device that the battery box erecting frame pushes on mouthful bottom will upspring automatically, and battery box is carried out locking positioning.
2. trackless trolley car battery box installation method as claimed in claim 1; It is characterized in that: the both sides at battery box are equipped with sliver; The side wheel position of the installation site of sliver and battery box erecting frame side matches; When guaranteeing when battery box pushes the battery box erecting frame in, just in time inboard and side wheel matches sliver at side wheel, carries out lateral register.
3. trackless trolley car battery box installation method as claimed in claim 2; It is characterized in that: described forced locking device is one by the oblique inclined plane slide block of inside-out, and inclined plane slide block is inlaid in pushing on mouthful underframe of battery box erecting frame, is the locking wedge of upspringing; When battery box is pushed in the process of mounting and fixing support; Because battery box bottom and diagonal cut miter joint in push-on process, this inclined plane slide block is depressed, thereby battery box can push installation easily; And after battery box was in place, the spring below this skewback carried out locking positioning with skewback jack-up to battery box; When needing to remove battery box, press inclined plane slide block, battery box can be extracted out fast thereby open through manual or electronic.
4. the trackless trolley car battery box erecting device according to the said trackless trolley car battery box of claim 1 installation method is characterized in that: comprise the battery box erecting frame, battery box and forced locking device three parts; In the bottom surface of battery box erecting frame the rolled castor more than two rows is installed; Castor is installed in the bottom surface of battery box erecting frame; And can rotation around the axle center; And the last end face of castor is higher than the bottom surface of battery box erecting frame, and each row's castor pushes a mouthful past battery box erecting frame inner face by the battery box erecting frame and vertically arranges; Side at the battery box erecting frame also is equipped with side wheel; Side wheel is installed on the bogie side frame of battery box erecting frame, also is to push a mouthful past battery box erecting frame inner face by the battery box erecting frame vertically to arrange; Pushing on mouthful underframe of battery box erecting frame forced locking device is installed; Forced locking device can automatically lock battery box when battery box is in place, prevent that battery box from skidding off.
5. trackless trolley car battery box erecting device as claimed in claim 4; It is characterized in that: sliver is installed in the Battery case both sides; The position of the side roller of the installation site of sliver and battery box erecting frame matches; When guaranteeing when battery box pushes the battery box erecting frame in, just in time inboard and side wheel matches sliver at side wheel, carries out lateral register.
6. trackless trolley car battery box erecting device as claimed in claim 5; It is characterized in that: described side wheel is that the outer rim of roller is the well base rim that concaves; The sliver of battery box side just in time is stuck in the side wheel well base rim in battery box is installed in the battery box erecting frame time; And guide to battery box in pushing the battery box erecting frame time, carry out the location of side direction.
7. trackless trolley car battery box erecting device as claimed in claim 6; It is characterized in that: described forced locking device is one by the oblique inclined plane slide block of inside-out, and inclined plane slide block is inlaid in pushing on mouthful underframe of battery box erecting frame, is the locking wedge of upspringing; When battery box is pushed in the process of mounting and fixing support; Because battery box bottom and diagonal cut miter joint in push-on process, this inclined plane slide block is depressed, thereby battery box can push installation easily; And after battery box was in place, the spring below this skewback carried out locking positioning with skewback jack-up to battery box.
8. trackless trolley car battery box erecting device as claimed in claim 7; It is characterized in that: be connected to electromagnet under the described locking wedge; The locking wedge will be retracted to the battery box erecting frame and push mouthful below the underframe plane when electromagnet is switched on, and make things convenient for Battery case to haul out.
9. trackless trolley car battery box erecting device as claimed in claim 4; It is characterized in that: described battery box is fixed on the energy storage component of elec. vehicle in the casing of battery box, and the blower fan and the dustproof required dustproof filter screen of battery management system, heat transmission also is installed in casing simultaneously.
10. trackless trolley car battery box erecting device as claimed in claim 4 is characterized in that: described castor and side wheel all adopt insulating material to make, and make Battery case be in insulation protection with the mounting and fixing support contact site and contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253707A CN102320235A (en) | 2011-08-31 | 2011-08-31 | Method and device for installing battery box of trolley bus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110253707A CN102320235A (en) | 2011-08-31 | 2011-08-31 | Method and device for installing battery box of trolley bus |
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| CN102320235A true CN102320235A (en) | 2012-01-18 |
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| CN201110253707A Pending CN102320235A (en) | 2011-08-31 | 2011-08-31 | Method and device for installing battery box of trolley bus |
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| CN102903875A (en) * | 2012-10-18 | 2013-01-30 | 安徽江淮汽车股份有限公司 | Battery pack of extended-range electric automobile |
| CN102931366A (en) * | 2012-11-19 | 2013-02-13 | 上汽通用五菱汽车股份有限公司 | Design structure of battery box for electromobile |
| CN102941799A (en) * | 2012-11-19 | 2013-02-27 | 上汽通用五菱汽车股份有限公司 | Mounting structure of integral battery pack |
| CN103407356A (en) * | 2013-07-09 | 2013-11-27 | 郑州飞机装备有限责任公司 | Battery pack hanging mechanism for pure electric vehicles |
| CN105762309A (en) * | 2016-02-04 | 2016-07-13 | 汕头大学 | Adaptable and removable type battery box of electric automobile |
| CN106515678A (en) * | 2016-11-22 | 2017-03-22 | 深圳精智机器有限公司 | Heavy load battery box |
| CN106684278A (en) * | 2016-08-31 | 2017-05-17 | 江苏春兰清洁能源研究院有限公司 | Push-pull power supply box with insulating isolation |
| CN107933277A (en) * | 2017-12-06 | 2018-04-20 | 东风特汽(十堰)客车有限公司 | A kind of battery case mounting bracket |
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| CN111584775A (en) * | 2019-02-18 | 2020-08-25 | 夏普株式会社 | Battery storage device, battery device, and battery removal method |
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| CN102903875A (en) * | 2012-10-18 | 2013-01-30 | 安徽江淮汽车股份有限公司 | Battery pack of extended-range electric automobile |
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| CN102931366A (en) * | 2012-11-19 | 2013-02-13 | 上汽通用五菱汽车股份有限公司 | Design structure of battery box for electromobile |
| CN102941799A (en) * | 2012-11-19 | 2013-02-27 | 上汽通用五菱汽车股份有限公司 | Mounting structure of integral battery pack |
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| CN103407356B (en) * | 2013-07-09 | 2016-07-13 | 郑州飞机装备有限责任公司 | Set of cells hitch for pure electric automobile |
| CN105762309A (en) * | 2016-02-04 | 2016-07-13 | 汕头大学 | Adaptable and removable type battery box of electric automobile |
| CN105762309B (en) * | 2016-02-04 | 2019-03-19 | 汕头大学 | A kind of electric car is suitable for moving-out type battery case |
| CN106684278A (en) * | 2016-08-31 | 2017-05-17 | 江苏春兰清洁能源研究院有限公司 | Push-pull power supply box with insulating isolation |
| CN106515678A (en) * | 2016-11-22 | 2017-03-22 | 深圳精智机器有限公司 | Heavy load battery box |
| CN107933277A (en) * | 2017-12-06 | 2018-04-20 | 东风特汽(十堰)客车有限公司 | A kind of battery case mounting bracket |
| CN109514577A (en) * | 2018-12-18 | 2019-03-26 | 深圳市优必选科技有限公司 | inspection robot |
| CN111584775A (en) * | 2019-02-18 | 2020-08-25 | 夏普株式会社 | Battery storage device, battery device, and battery removal method |
| WO2021171308A1 (en) * | 2020-02-27 | 2021-09-02 | Tvs Motor Company Limited | A retractable slide load holding system for a vehicle |
| EP4024583A4 (en) * | 2020-03-25 | 2024-06-19 | Lg Energy Solution, Ltd. | Conveyance jig for loading battery pack onto battery rack, and battery rack loading method using same |
| WO2022198609A1 (en) * | 2021-03-26 | 2022-09-29 | 东莞新能安科技有限公司 | Energy storage system and electrical device |
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Application publication date: 20120118 |