CN109050233B - Battery safety replacement device of electric logistics vehicle - Google Patents

Battery safety replacement device of electric logistics vehicle Download PDF

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Publication number
CN109050233B
CN109050233B CN201810968518.2A CN201810968518A CN109050233B CN 109050233 B CN109050233 B CN 109050233B CN 201810968518 A CN201810968518 A CN 201810968518A CN 109050233 B CN109050233 B CN 109050233B
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China
Prior art keywords
frame
battery box
fixed
battery
vehicle body
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CN201810968518.2A
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Chinese (zh)
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CN109050233A (en
Inventor
王国富
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Zhejiang Rap Intelligent Vehigle Co ltd
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Hangzhou Rongda Zhizao Technology Co ltd
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Priority to CN201810968518.2A priority Critical patent/CN109050233B/en
Publication of CN109050233A publication Critical patent/CN109050233A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60SSERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S5/00Servicing, maintaining, repairing, or refitting of vehicles
    • B60S5/06Supplying batteries to, or removing batteries from, vehicles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455Removal or replacement of the energy storages
    • B60K2001/0472Removal or replacement of the energy storages from below
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • B60K1/04Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • B60K2001/0455Removal or replacement of the energy storages
    • B60K2001/0494Removal or replacement of the energy storages with arrangements for sliding
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

The invention provides a safe battery replacing device of an electric logistics vehicle, relates to the technical field of logistics transportation, and solves the problems of complex operation and low working efficiency of a common manual battery box replacing mode of the electric logistics vehicle, and the technical scheme is characterized by comprising the following steps of: the battery box is arranged on the vehicle body chassis area; the frame is provided with an inner cavity for accommodating the battery box; the two connecting mechanisms are arranged on two opposite sides of the frame and are matched with and clamp the battery box; the mounting seat is fixed on the chassis of the vehicle body; and the power mechanism is fixed on the mounting seat and drives the connecting mechanism and the frame to lift so as to enable the battery box to extend into or extend out of the vehicle body chassis, thereby achieving the purposes of quickly replacing the battery box and improving the safety of the battery box replacing process.

Description

Battery safety replacement device of electric logistics vehicle
Technical Field
The invention relates to the technical field of logistics transportation, in particular to a safe battery replacing device of an electric logistics vehicle.
Background
Due to the particularity of the industry, the new energy logistics vehicle has higher requirements on the endurance mileage, and usually needs to install power batteries with higher capacity at the bottom or two sides of the vehicle, the size and the weight of the high-capacity batteries are larger, and the battery box is difficult to install and disassemble.
At present, the process that electronic commodity circulation car changed battery box is mostly manual change, needs people's health to stretch into the chassis below of electronic commodity circulation car, pulls down the battery, because the battery box of electronic commodity circulation car itself is bulky, and is heavier, and the people stretches the below of commodity circulation car and carries out the complex operation of battery box dismouting, and the amount of labour is big, and unable quick replacement damages battery box and supporting equipment easily again, awaits urgent need improving.
Disclosure of Invention
The invention aims to provide a safe battery replacing device of an electric logistics vehicle.
The technical purpose of the invention is realized by the following technical scheme: a battery safety replacement device of an electric logistics vehicle comprises: the battery box is arranged on the chassis of the vehicle body; the frame is provided with an inner cavity for accommodating the battery box; the two connecting mechanisms are arranged on two opposite sides of the frame and are matched with and clamp the battery box; the mounting seat is fixed on the chassis of the vehicle body; and the power mechanism is fixed on the mounting seat, drives the connecting mechanism and the frame to lift, and further leads the battery box to extend into or extend out of the vehicle body chassis, and the connecting mechanism comprises: the connecting arm is fixed on the outer side wall of the frame; the pressing piece is arranged on the connecting arm and movably pressed on one outer side wall of the battery box in a pressing mode, and the two pressing pieces are matched to clamp the battery box; and the suspension arm is arranged on the connecting arm and assembled with the power mechanism, and the pressing piece comprises: the adjusting screw is in threaded assembly with the connecting arm; the inner side surfaces of the mounting seat, which are opposite to the two support arms, are respectively provided with a vertically arranged chute, and one end of the connecting arm is provided with a sliding plate which vertically slides in the chute.
By adopting the technical scheme, the frame is hoisted on the chassis area of the vehicle body through the power mechanism, and the battery box is accommodated in the inner cavity of the frame, so that the battery box is not easy to fall off from the chassis area of the vehicle body; when the battery box needs to be taken out from the frame, the two adjusting screws are rotated to loosen the battery box, so that the battery box is convenient to take out from the frame; after the replaced battery box is placed in the frame, the two adjusting screw rods are rotated in opposite directions, so that the two disks clamp the battery box from two opposite sides, and the stability of the mounting structure of the battery box is improved; because the manufacturing process of the battery box is complex, and the manufacturing process of the frame is relatively simple, the manufacturing process of the frame is simpler compared with the mode of fixing the connecting mechanism on the battery box and the mode of fixing the connecting mechanism on the frame; in the process of replacing the battery box, the frame and the battery box are driven to lift by the power mechanism, the battery box does not need to be assembled and disassembled by manually stretching into the chassis of the vehicle body, the labor intensity and the replacement time of the battery box are reduced, and the problem of long queuing time for replacing the battery of the electric logistics vehicle in a charging station is solved; meanwhile, the mode of replacing the battery box is not easy to damage the battery box and supporting equipment of the vehicle body chassis and is not easy to cause personal safety accidents; the two suspension arms are convenient for the power mechanism to more stably drive the frame and the battery box to vertically move, so that the safety is better; in the process that the connecting arms on the two sides of the frame vertically move along with the tension belt, the sliding grooves guide the running direction of the sliding plate, so that the moving process of the frame and the battery box is more stable. The connecting arm, the pressing piece, hang arm and slide and establish to holistic coupling mechanism, and regard coupling mechanism as a whole to connect on the frame, coupling mechanism has played and has pressed from both sides tight battery box, for promoting frame and battery box provide more stable atress mode, and carry out the effect of leading for the lift of frame and battery box, integrate each function on coupling mechanism, the manufacturing degree of difficulty of frame itself has been simplified greatly, and the loaded down with trivial details step when the part that realizes each function is connected respectively with the frame has been simplified, the efficiency of processing manufacturing battery change device has been improved, the cost is reduced.
In a further arrangement of the invention, the power mechanism comprises: the servo motor is fixed on the mounting seat; the rotating shaft is assembled at the top of the mounting seat and is driven by the servo motor through a belt; at least two concave wheels fixed on the rotating shaft and rotating along with the rotating shaft; and one end of the tension belt is connected to the suspension arm, the other end of the tension belt is fixed on the concave wheel, and the tension belt drives the suspension arm to vertically reciprocate along with the rotation of the concave wheel.
By adopting the technical scheme, the servo motor drives the rotating shaft and the concave wheel to rotate through belt transmission, so that the concave wheel winds or releases the tension belt, and further drives the suspension arm and the frame to vertically move; the power mechanism with the structure has good stability in the running process, occupies small space of a chassis of the vehicle body and is convenient to install.
The invention is further provided with a guide rod which is vertically arranged, and a sliding block which is sleeved on the guide rod and moves along the axial direction of the guide rod along with the movement of the frame is fixed on the frame.
Through adopting above-mentioned technical scheme, the guide arm plays the guide effect to the traffic direction of frame, further makes frame and battery box motion process more stable.
The invention is further provided with an opening arranged on one side of the frame opposite to the side provided with the sliding block, a movable cover arranged at the bottom of the opening is arranged at the opening to prevent the battery box from sliding out of the frame, the frame door and the frame are fixed by a plurality of lock catches, and each lock catch comprises: a fixing part provided on the frame; and a movable part which is arranged on the frame door and is combined with the fixed part so as to fix the frame door on the frame.
By adopting the technical scheme, when the battery box is taken out from the frame, the movable part is separated from the fixed part, and the frame door is opened, so that the battery box is convenient to take out; after the battery box is placed into the frame, the frame door is closed, the movable part is closed on the fixed part, and the battery box is taken and placed while the battery box is more stable in the frame due to the arrangement of the frame door and the plurality of lock catches.
The invention is further provided with a bottom plate fixed on a chassis of the vehicle body at the bottom of the mounting seat, a through hole for the frame to vertically pass through is arranged in the middle of the bottom plate, and two cover plates which are close to each other to seal the through hole and are supported below the frame or are far away from each other to open the through hole so that the power mechanism drives the frame and the battery box to vertically lift are arranged in the bottom plate in a sliding manner.
By adopting the technical scheme, the two sliding cover plates can be supported below the frame when the frame is positioned in the chassis of the vehicle body, so that the frame is not easy to separate from the chassis.
The invention is further provided with a groove for the cover plate to slide on the bottom plate, and each cover plate is provided with a push block convenient for pushing the cover plate.
By adopting the technical scheme, the arrangement of the push block is convenient for manually pushing the two push plates open.
In conclusion, the invention has the following beneficial effects:
1. the frame is hung in the vehicle body chassis through the power mechanism, and the battery box is accommodated in the inner cavity of the frame, so that the battery box is not easy to fall off from the vehicle body chassis;
2. the two connecting mechanisms on the two sides of the frame clamp the battery box in the frame, so that the mounting structure of the battery box is more stable;
3. because the manufacturing process of the battery box is complex, and the manufacturing process of the frame is relatively simple, the manufacturing process is simpler due to the mode of fixing the connecting mechanism on the battery box and the mode of directly fixing the connecting mechanism on the frame;
4. in the process of replacing the battery box, the frame and the battery box are driven to lift by the power mechanism, the battery box does not need to be assembled and disassembled by manually stretching into the chassis of the vehicle body, the labor intensity and the replacement time of the battery box are reduced, and the problem of long queuing time of the electric logistics vehicle in a charging station for replacing the battery is solved;
5. the mode of replacing the battery box is not easy to damage the battery box and supporting equipment of the vehicle body chassis, and personal safety accidents are not easy to happen.
Drawings
FIG. 1 is a schematic structural diagram of an electric logistics vehicle chassis in an embodiment of the present invention;
FIG. 2 is a schematic view of the mounting structure of the battery box on the chassis of the vehicle body according to the embodiment of the invention;
FIG. 3 is a schematic view showing the connection of the vehicle body chassis, the mounting seat, the frame and the C according to the embodiment of the present invention;
FIG. 4 is an enlarged view at A in FIG. 3;
fig. 5 is a cross-sectional view taken along plane B-B of fig. 3.
Reference numerals: 1. a vehicle body chassis; 2. a battery box; 3. a frame; 31. a slider; 32. a frame door; 33. locking; 331. a fixed part; 332. a movable portion; 4. a connecting mechanism; 41. a connecting arm; 42. a pressing member; 421. adjusting the screw rod; 422. a disc; 43. a suspension arm; 44. a slide plate; 5. a mounting seat; 51. a support arm; 52. a chute; 53. a guide bar; 6. a power mechanism; 61. a servo motor; 62. a rotating shaft; 63. a concave wheel; 64. a tension band; 65. a belt; 7. a base plate; 71. a groove; 8. a cover plate; 81. and (7) pushing the block.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Examples
A battery safety replacement device of an electric logistics vehicle is shown in figure 1 and comprises a vehicle body chassis 1, wherein a mounting seat 5 is fixed in the inner space of the front end of the vehicle body chassis 1, and a frame 3 is arranged on the mounting seat 5.
As shown in fig. 2, the frame 3 is rectangular and contains the battery box 2, and the periphery of the frame 3 is open, so that heat generated in the working process of the battery box 2 can be rapidly dissipated outwards. Two opposite side walls of the frame 3 are respectively fixed with a connecting mechanism 4, and a power mechanism 6 which drives the connecting mechanism 4 to lift and further drives the frame 3 and the battery box 2 to lift is arranged on the mounting seat 5. The frame 3 is suspended in the vehicle body chassis 1 through the power mechanism 6, and the battery box 2 is accommodated in the inner cavity of the frame 3, so that the battery box 2 is not easy to separate from the vehicle body chassis 1; and two coupling mechanism 4 from both sides tight battery box 2, make the mounting structure of battery box 2 more firm. In addition, since the manufacturing process of the battery case 2 is complicated and the manufacturing process of the frame 3 is relatively simple, the manufacturing process is relatively simple compared to the manner of fixing the connection mechanism 4 to the battery case 2 and the manner of fixing the connection mechanism 4 to the frame 3.
As shown in fig. 3, the connecting mechanism 4 includes a connecting arm 41 integrally formed on an outer side wall of the frame 3, and a pressing member 42 movably pressed against an outer side wall of the battery case 2 is provided on the connecting arm 41. The pressing member 42 includes an adjusting screw 421 screw-fitted to the connecting arm 41, and a disc 422 is fixed to an end of the adjusting screw 421 near one end of the frame 3. When the battery box 2 needs to be taken out of the frame 3, the two adjusting screw rods 421 are rotated to loosen the battery box 2, so that the battery box 2 can be conveniently taken out of the frame 3; after the replaced battery box 2 is placed in the frame 3, the two adjusting screws 421 are rotated in opposite directions, so that the two disks 422 clamp the battery box 2 from opposite sides, and the battery box 2 can be placed in the frame 3 more stably.
One side of the frame 3, which is far away from the mounting seat 5, is provided with an opening, the bottom of the opening is provided with a movable cover, the movable cover is arranged at the opening to prevent the battery box 2 from sliding out of the frame 3, and the frame door 32 and the frame 3 are fixed through two lock catches 33.
A bottom plate 7 arranged below the fixing seat 5 is fixed on the vehicle body chassis 1, a through hole for the frame 3 to vertically pass through is formed in the middle of the bottom plate 7, and two cover plates 8 which are close to each other to seal the through hole or are far away from each other to open the through hole are slidably mounted in the bottom plate 7. When the frame 3 is positioned in the vehicle body chassis 1, the two cover plates 8 are supported below the frame 3, so that the frame 3 is not easy to separate from the vehicle body chassis 1, and each cover plate 8 is also provided with a push block 81 which is convenient for pushing the cover plate 8 to the two sides.
As shown in fig. 4, the latch 33 includes a fixing portion 331 installed on the outer side of the frame 3 and a movable portion 332 installed on the door 32 and coupled to the fixing portion 331 to fix the door 32 to the frame 3. When the battery box 2 is taken out from the frame 3, the movable part 332 is separated from the fixed part 331, and the frame door 32 is opened, so that the battery box 2 can be taken out conveniently; after the battery box 2 is placed in the frame 3, the frame door 32 is closed, the movable part 332 is closed on the fixed part 331, and the arrangement of the frame door 32 and the two latches 33 ensures that the installation structure of the battery box 2 in the frame 3 has good stability and the battery box 2 is convenient to take and place.
As shown in fig. 5, the two connecting arms 41 are respectively provided with a suspension arm 43 assembled with the power mechanism 6, the power mechanism 6 drives the frame 3 and the battery box 2 to vertically move through the two suspension arms 43, and the frame 3 has good stability and high safety in the vertical movement process.
The power mechanism 6 comprises a servo motor 61 fixed on the mounting seat 5, the servo motor 61 is driven by a belt 65 to rotate a rotating shaft 62 positioned at the top of the mounting seat 5, two concave wheels 63 rotating along with the rotating shaft 62 are fixed on the rotating shaft 62, and a tension belt 64 driving the suspension arm 43 to do vertical reciprocating motion along with the rotation of the concave wheels 63 is fixed between the concave wheels 63 and the suspension arm 43. The mode that the tension belt 64 is wound or released through the concave wheel 63 to drive the suspension arm 43 and the frame 3 to move vertically has the advantages of good stability in the operation process, small space occupied by the vehicle body chassis 1 and convenience in installation.
The mounting base 5 comprises two opposite support arms 51, the inner side surfaces of the two support arms 51 are respectively provided with a vertically arranged sliding groove 52, and one end of the connecting arm 41 is fixed with a sliding plate 44 which vertically slides in the sliding groove 52. In the process that the connecting arm 41 vertically moves along with the tension belt 64, the sliding groove 52 plays a role in guiding the running direction of the sliding plate 44, so that the stability of the frame 3 and the battery box 2 in the moving process is good.
The inner side of the mounting seat 5 is also provided with a vertically arranged guide rod 53, the frame 3 is fixedly provided with a slide block 31 which is sleeved on the guide rod 53 and moves along the frame 3 along the axial direction of the guide rod 53, the guide rod 53 plays a role in guiding the running direction of the frame 3, and the stability of the frame 3 and the battery box 2 in the moving process is further improved.
The working process is summarized as follows: in the process of detaching the battery box 2 from the vehicle body chassis 1, the pushing block 81 is pushed to push the cover plates 8 to the two sides, so that the through hole of the bottom plate 7 is opened, the servo motor 61 is started, the connecting arm 41, the frame 3 and the battery box 2 are driven to vertically move downwards through the pulling belt 64, the frame 3 and the battery box 2 integrally descend below the vehicle body chassis 1, the pressing parts 42 on the two sides of the battery box 2 are loosened, the frame door 32 at the front end of the frame 3 is opened, and the vehicle body chassis 1 of the battery box 2 can be taken out; later with new battery box 2 according to the reverse process place again in frame 3 and get back to in automobile body chassis 1 again through power unit 6, this kind of mode of changing battery box 2 need not artifical the stretching into the dismouting battery box 2 on the automobile body chassis 1, has reduced change battery box 2 working strength, has realized the quick replacement of battery box 2, has alleviated the long problem of queuing time when the electric logistics car changes the battery at the charging station. Meanwhile, the mode of replacing the battery box 2 is not easy to damage the battery box 2 by matching equipment of the vehicle body chassis 1, and personal safety accidents are not easy to happen.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (6)

1. The utility model provides a battery safety of electronic commodity circulation car changes device which characterized in that includes:
a battery box (2) arranged on the chassis (1) of the vehicle body;
a frame (3) provided with an inner cavity for accommodating the battery box (2);
two connecting mechanisms (4) which are arranged on two opposite sides of the frame (3) and are matched with and clamp the battery box (2);
a mounting seat (5) fixed on the chassis (1) of the vehicle body; and the number of the first and second groups,
the power mechanism (6) is fixed on the mounting seat (5) and drives the connecting mechanism (4) and the frame (3) to lift, so that the battery box (2) extends into the vehicle body chassis (1) or extends out of the vehicle body chassis (1);
the connection mechanism (4) includes:
a connecting arm (41) fixed on the outer side wall of the frame (3);
the pressing pieces (42) are arranged on the connecting arms (41) and movably pressed on one outer side wall of the battery box (2), and the two pressing pieces (42) are matched to clamp the battery box (2); and the number of the first and second groups,
the suspension arm (43) is arranged on the connecting arm (41) and assembled with the power mechanism (6);
the pressing member (42) includes: an adjusting screw (421) in threaded fit with the connecting arm (41); and a disc (422) fixed at one end of the adjusting screw (421) close to the frame (3);
the inner side surfaces of the two opposite support arms (51) of the mounting base (5) are provided with sliding grooves (52) which are vertically arranged, and one end of the connecting arm (41) is provided with a sliding plate (44) which vertically slides in the sliding grooves (52).
2. The device for safely replacing the battery of the electric logistics vehicle as claimed in claim 1, wherein the power mechanism (6) comprises:
a servo motor (61) fixed on the mounting base (5);
a rotating shaft (62) which is assembled at the top of the mounting seat (5) and is driven by the servo motor (61) through a belt;
at least two concave wheels (63) fixed on the rotating shaft (62) and rotating along with the rotating shaft (62); and the number of the first and second groups,
and the tension belt (64) is connected with the suspension arm (43) at one end, fixed on the concave wheel (63) at the other end and driven by the rotation of the concave wheel (63) to vertically reciprocate the suspension arm (43).
3. The device for safely replacing the battery of the electric logistics vehicle as claimed in claim 1, wherein the mounting seat (5) is further provided with a vertically arranged guide rod (53), and a sliding block (31) which is sleeved on the guide rod (53) and moves along the axial direction of the guide rod (53) along with the movement of the frame (3) is fixed on the frame (3).
4. The device for safely replacing the battery of the electric logistics vehicle as claimed in claim 3, wherein the frame (3) is provided with an opening at the side opposite to the side where the sliding block (31) is installed, the bottom of the opening is provided with a frame door (32) which is movably covered at the opening to prevent the battery box (2) from sliding out of the frame (3), the frame door (32) and the frame (3) are fixed by a plurality of latches (33), and the latches (33) comprise: a fixing portion (331) provided on the frame (3); and a movable part (332) which is provided on the frame door (32) and is coupled to the fixed part (331) to fix the frame door (32) to the frame (3).
5. The device for safely replacing the battery of the electric logistics vehicle as claimed in claim 4, wherein a bottom plate (7) fixed on a vehicle body chassis (1) is arranged at the bottom of the mounting seat (5), a through hole for the frame (3) to vertically pass through is arranged in the middle of the bottom plate (7), and two cover plates (8) which are mutually close to each other to seal the through hole and are supported below the frame (3) or are mutually far away from each other to open the through hole so that the power mechanism (6) can drive the frame (3) and the battery box (2) to vertically lift are slidably mounted in the bottom plate (7).
6. The device for safely replacing the battery of the electric logistics vehicle as claimed in claim 5, wherein the bottom plate (7) is provided with a groove (71) for sliding the cover plate (8), and each cover plate (8) is provided with a pushing block (81) for pushing the cover plate (8).
CN201810968518.2A 2018-08-23 2018-08-23 Battery safety replacement device of electric logistics vehicle Active CN109050233B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN109050233B true CN109050233B (en) 2020-06-23

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CN111196169B (en) * 2020-03-13 2021-07-23 九江职业技术学院 New energy automobile's battery locking case and new energy automobile
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CN106697060A (en) * 2016-11-30 2017-05-24 深圳市沃特玛电池有限公司 Electric logistics vehicle assembly structure
CN206841398U (en) * 2017-04-26 2018-01-05 北京新能源汽车股份有限公司 Lifting vehicle
DE202017001021U1 (en) * 2017-02-28 2018-05-29 Michael Engelfried Active underfloor battery pan (AUB)

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