CN210576078U - Electric fork-lift's nested formula battery box and electric fork-lift - Google Patents
Electric fork-lift's nested formula battery box and electric fork-lift Download PDFInfo
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- CN210576078U CN210576078U CN201921433296.0U CN201921433296U CN210576078U CN 210576078 U CN210576078 U CN 210576078U CN 201921433296 U CN201921433296 U CN 201921433296U CN 210576078 U CN210576078 U CN 210576078U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model provides an electric fork truck's suit formula battery box and electric fork truck, includes the box, establishes battery module and automatically controlled subassembly in the box, the battery module with automatically controlled subassembly electricity is connected, the box includes counter weight base, suit casing and top cap, the suit casing be from top to bottom penetrating square barrel, the lower extreme opening of suit casing with the counter weight base is connected, the upper end opening of suit casing with the top cap is connected, the battery module is fixed on the counter weight base, automatically controlled subassembly is established in the suit casing. According to the utility model provides an electric fork-lift's suit formula battery box compares with prior art has following advantage: the utility model discloses convenient assembling, it is efficient, the bulk strength of battery box has been improved to the counter weight base to greatly increased the weight of battery box, need not to install the balancing weight additional when being used in electric fork truck, can realize electric fork truck's self counter weight, saved the fixed flow of installation of balancing weight.
Description
Technical Field
The utility model relates to a battery box especially relates to an electric fork truck's suit formula battery box and use electric fork truck of this battery box.
Background
In the era of rapid development of modern logistics storage, the forklift known as the spirit of transportation plays a great role in the field. In recent years, electric forklifts gradually enter the visual field of people and are more and more favored by users. Compared with an internal combustion engine forklift, the electric forklift has great advantages because the electric forklift does not generate waste gas emission, and has the advantages of ultralow noise and ultralow vibration while running; the electric steering system, the acceleration control system, the hydraulic control system and the brake system are controlled by electric signals, so that the labor intensity of operators is greatly reduced, and the working efficiency and the working accuracy of the operators are improved; the maintenance interval period of the electric forklift is long, the maintenance is rapid, and the cost is low.
With the continuous development of the new energy lithium battery industry, lead-acid storage batteries of various electric engineering machines are gradually converted into lithium storage batteries. In machines such as electric forklifts, stacking machines, electric cattle and the like, the used battery PACK mainly comprises two types, namely a lead-acid battery PACK and a lithium battery PACK, wherein the traditional lead-acid power battery and the battery PACK are both manufactured into an open structure without a sealing cover due to the requirements on safety and cost; the lithium ion power battery with new energy has high energy density, does not generate acid gas, does not have memory effect, can be designed in a sealing way, has high integral protection performance, but has low maintenance convenience.
No matter which kind of battery PACK, mainly adopted the thick steel plate to weld into box cladding, upper cover closing cap, satisfied the protection and the use weight requirement of inside electric core with the mode of counter weight again. Under the traditional structure, parts such as a battery module (or a single battery cell), a high-low voltage wire harness, a BJB (bus bar box) and the like need to be gradually put into the box body, and certain inconvenience exists in operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a simple structure, easily assemble, from the electric fork-lift truck's of taking the counter weight nested battery box and use the electric fork-lift truck of this battery box.
According to the utility model provides an electric fork-lift's main technical scheme that suit formula battery box adopted does: including the box, establish battery module and automatically controlled subassembly in the box, the battery module with automatically controlled subassembly electricity is connected, the box includes counter weight base, suit casing and top cap, the suit casing be from top to bottom penetrating square barrel, the lower extreme opening of suit casing with the counter weight base is connected, the upper end opening of suit casing with the top cap is connected, the battery module is fixed on the counter weight base, automatically controlled subassembly is established in the suit casing.
The utility model provides an electric fork-lift's suit formula battery box still adopts following attached technical scheme:
the sleeving shell is formed by bending and welding sheet metal materials with the thickness of 2mm,
the counterweight base is a cast iron block.
The counterweight base is provided with a module fixing hole, the battery module is fixed on the counterweight base through a bolt, and the module fixing hole is a threaded hole.
The counterweight base comprises a counterweight seat and a mounting platform arranged on the counterweight seat, and shell connecting holes are formed in the periphery of the mounting platform; the lower part of the suit shell is sleeved on the mounting table, connecting through holes are formed in the periphery of the lower part of the suit shell, and the connecting through holes are opposite to the shell connecting holes one by one and are connected through connecting pieces.
The shell connecting hole is a threaded hole, the connecting piece is a bolt, and the bolt penetrates through the connecting through hole to be matched with the threaded hole.
The circumference of the mounting platform is smaller than that of the counterweight seat, and a step part is formed between the mounting platform and the counterweight seat.
The counterweight base and the mounting platform are of an integrally formed structure.
Be equipped with automatically controlled layer board in the suit casing, automatically controlled subassembly includes charge relay, discharge relay, fuse, hall current sensor, singlechip, direct current voltage converter and BMS controller, charge relay, discharge relay, fuse, hall current sensor, singlechip, direct current voltage converter are installed on the automatically controlled layer board, the BMS controller is installed on the inner wall of suit casing.
The sleeving shell comprises a first side plate, a second side plate, a third side plate and a fourth side plate which are connected together, wherein the first side plate is opposite to the third side plate, and the second side plate is opposite to the fourth side plate; the first side plate and the second side plate are of an integral structure, and the third side plate and the fourth side plate are of an integral structure.
One end of the first side plate is welded with one end of the fourth side plate, and one end of the second side plate is welded with the third side plate.
Two opposite brackets are arranged on the inner wall of the sleeving shell, and two ends of the electric control supporting plate are pressed against the brackets and connected with the brackets.
The top cover is provided with a maintenance window, the periphery of the outer side of the maintenance window is provided with a window frame, and the top cover further comprises a window cover matched with the window frame.
The window frame is provided with a plurality of electrical connectors, one ends of the electrical connectors are exposed outside the window frame, and the other ends of the electrical connectors are located inside the window frame and connected with the electric control assembly.
And the window frame is provided with a display screen, and the display screen is used for displaying the residual electric quantity of the battery.
And the window frame is provided with a switch button.
The protective plate is arranged at the top of the sleeved shell and provided with hoisting through holes.
The second side plate and the second side plate respectively extend upwards to form the protection plate.
The top surface of the protection plate is higher than the window cover or is flush with the window cover.
According to the utility model provides a main technical scheme that electric fork-lift adopts does: including frame, hoisting mechanism, motor, battery box, control system, the battery box includes the box, establishes battery module and automatically controlled subassembly in the box, the battery module with the automatically controlled subassembly electricity is connected, the box includes counter weight base, suit casing and top cap, the square barrel of suit casing for penetrating from top to bottom, the lower extreme opening of suit casing with the counter weight base is connected, the upper end opening of suit casing with the top cap is connected, the battery module is fixed on the counter weight base, automatically controlled subassembly is established in the suit casing.
According to the utility model provides an electric fork-lift's suit formula battery box compares with prior art has following advantage: the utility model provides a during the battery box body assembly, fix the battery module on the counter weight base, with automatically controlled subassembly and partial pencil and busbar pre-installation on the suit casing, be connected automatically controlled subassembly and battery module electricity, at last with suit casing from the top down suit the upper end of battery module and counter weight base and be connected with the counter weight base can, convenient assembling, it is efficient, the counter weight base has improved the bulk strength of battery box to greatly increased the weight of battery box, need not to install additional the balancing weight when using on electric fork truck, can realize electric fork truck's self counter weight, saved the fixed flow of installation of balancing weight, improved electric fork truck's assembly efficiency, maintenance efficiency greatly.
According to the utility model provides an electric fork-lift compares with prior art and has following advantage: the utility model provides a during the specific assembly of battery box, fix the battery module on the counter weight base, with automatically controlled unit mount on the suit casing, be connected automatically controlled subassembly and battery module electricity, at last with suit casing suit from the top down the upper end of battery module and counter weight base and be connected with the counter weight base can, convenient assembling, it is efficient, adopt the counter weight base to improve the bulk strength of battery box to greatly increased the weight of battery box, used the utility model provides an electric fork truck need not to install additional the balancing weight when last, can realize electric fork truck's self counter weight, has saved the fixed flow of installation of balancing weight, has improved electric fork truck's assembly efficiency, maintenance efficiency greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is an exploded view of the battery box of the electric forklift.
Fig. 2 is a structural diagram of the nested battery box of the middle electric forklift.
Fig. 3 is an exploded view of the casing of the battery box of the electric forklift.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, according to the utility model provides an electric fork-lift's suit formula battery box embodiment, include the box, establish battery module 4 and automatically controlled subassembly 5 in the box, battery module 4 with automatically controlled subassembly 5 electricity is connected, the box includes counter weight base 1, suit casing 2 and top cap 3, suit casing 2 be from top to bottom penetrating square barrel, the lower extreme opening of suit casing 2 with counter weight base 1 connects, the upper end opening of suit casing 2 with top cap 3 connects, battery module 4 fixes on counter weight base 1, automatically controlled subassembly 5 is established in suit casing 2. The battery module 4 is connected with the electric control assembly 5, a thermocompression welding flexible connection bus bar is used as a bridge, the assembly tolerance is large, the structure ductility is good, and the influence caused by processing deviation and misoperation is fully reduced; when the battery box in the utility model is assembled, the battery module 4 is fixed on the counterweight base 1, the electric control component 5 and part of the wiring harness and the bus bar are pre-assembled on the sleeving shell 2, the electric control component 5 is electrically connected with the battery module 4, and finally the sleeving shell 2 is sleeved from top to bottom on the upper ends of the battery module 4 and the counterweight base 1 and is connected with the counterweight base 1, the assembly is convenient and the efficiency is high, the counterweight base 1 improves the integral strength of the battery box and greatly increases the weight of the battery box, when the battery box is used on an electric fork truck, the counterweight block is not required to be additionally arranged, the self counterweight of the electric fork truck can be realized, the installation and fixing processes of the counterweight block are saved, the assembly efficiency and the maintenance efficiency of the electric fork truck are greatly improved, the assembly process of the battery box can also be completed on the electric fork truck, when the battery box is specifically assembled, the counterweight base 1 can be firstly fixed, will according to above-mentioned assembly step the utility model discloses on electric fork truck assembly can, the assembly is nimble, need not outside jack-up machinery and also can accomplish assembly, maintenance, improved greatly the utility model discloses a practicality.
Referring to fig. 1 and 2, according to the utility model discloses foretell embodiment, suit casing 2 is formed by the sheet metal material of 2mm thickness welding of bending, counter weight base 1 is cast iron one shot forming structure, only a small amount of processing fitting surface, bores the screw hole, and the process is simple, and intensity is high. The box body has simple structure, convenient processing and low production cost.
According to the utility model discloses foretell embodiment, counter weight base 1 with between the suit casing 2 all be equipped with first sealing strip between suit casing 2 and the top cap 3, the requirement of the roughness of counter weight base 1 and the 2 opposite faces of suit casing can be reduced in the setting of first sealing strip, reduces the production technology requirement, helps reducing the manufacturing cost of battery box to the leakproofness of box has been guaranteed.
Referring to fig. 1 and 2, according to the above-mentioned embodiment of the present invention, module fixing holes 14 are provided on counterweight base 1, battery module 4 is fixed on counterweight base 1 by bolts, and module fixing holes 14 are threaded holes. The battery module 4 is fixed on the counterweight base 1 in the mode, so that the assembly is convenient, the fixation is firm, and the counterweight base 1 has a good supporting effect.
Referring to fig. 1 and 2, according to the above-mentioned embodiment of the present invention, the counterweight base 1 includes a counterweight seat 11 and a mounting table 12 disposed on the counterweight seat 11, and a housing connecting hole 13 is disposed around the mounting table 12; the lower part of the suit shell 2 is sleeved on the mounting table 12, connection through holes 25 are formed in the periphery of the lower part of the suit shell 2, and the connection through holes 25 are opposite to the shell connecting holes 13 one by one and are connected through connecting pieces. The shell connecting hole 13 is a threaded hole, the connecting piece is a bolt, and the bolt penetrates through the connecting through hole 25 to be matched with the threaded hole. The counterweight base 1 and the sleeved shell 2 are connected in the above mode, the assembly is convenient, the reliability is high, especially, the threaded holes are directly formed in the mounting platform 12, the connection part is not prone to distortion, and the box body is not prone to deformation.
Referring to fig. 1 and 2, according to the above-mentioned embodiment of the present invention, the circumference of the mounting table 12 is smaller than the circumference of the weight seat 11, and a step portion 15 is formed between the mounting table 12 and the weight seat 11. The counterweight base 1 and the mounting table 12 are of an integrally formed structure. The arrangement of the step part 15 enables the bottom end of the sleeving shell 2 to be directly pressed on the step part 15, which is beneficial to improving the assembly efficiency and the assembly precision and ensures the smoothness of the side surface of the box body.
Referring to fig. 1 and 2, according to the utility model discloses foretell embodiment, be equipped with automatically controlled layer board 6 in the suit casing 2, automatically controlled subassembly 5 includes charge relay, discharge relay, fuse, hall current sensor, singlechip, direct current voltage converter and BMS controller 51 etc. charge relay, discharge relay, fuse, hall current sensor, singlechip, direct current voltage converter install on the automatically controlled layer board, BMS controller 51 installs on the inner wall of suit casing. The structure and connection of the electric control assembly 5 are well-established in the prior art, and are not described in detail herein. The electric control supporting plate 6 is convenient for the installation and fixation of the electric control assembly 5, compared with the existing junction box form, the heat dissipation efficiency of the electric control assembly 5 is improved, the electric control assembly 5 is installed on a plane, the structure of the battery box is more compact, and the mechanical strength of the upper end of the sleeving shell 2 is improved due to the arrangement of the electric control supporting plate 6.
Referring to fig. 1 to 3, according to the above-mentioned embodiment of the present invention, the casing set 2 includes a first side plate 21, a second side plate 22, a third side plate 23 and a fourth side plate 24 connected together, wherein the first side plate 21 is opposite to the third side plate 23, and the second side plate 22 is opposite to the fourth side plate 24; the first side plate 21 and the second side plate 22 are of an integral structure, and the third side plate 23 and the fourth side plate 24 are of an integral structure. One end of the first side plate 21 is welded to one end of the fourth side plate 24, and one end of the second side plate 22 is welded to one end of the third side plate 23. This kind of suit casing 2 simple structure, the totality only has two gaps that need the welded, helps shortening the welding time, reduces welding cost, and the leakproofness is better.
Referring to fig. 3, according to the above embodiment of the present invention, two opposite brackets 9 are provided on the inner wall of the casing set 2, and both ends of the electric control supporting plate 6 are pressed against the brackets 9 and connected with the brackets 9. The electric control supporting plate 6 is convenient to assemble and firm to fix. And a controller fixing frame 101 provided on an inner wall of the set housing 2, and the BMS controller 51 is mounted on the inner wall of the set housing 2 through the controller fixing frame 101.
Referring to fig. 1 and 2, according to the above embodiment of the present invention, the top cover 3 is provided with a maintenance window, the outer periphery of the maintenance window is provided with a window frame 7, and the maintenance window further includes a window cover 8 engaged with the window frame 7. The setting of maintenance window has made things convenient for the utility model discloses the routine maintenance and the maintenance of well battery box have improved maintenance efficiency, have shortened the maintenance time. Be equipped with the second sealing strip between window lid 8 and the window frame 7, improved the leakproofness of box once more, can reach IP 68's shell protection level, first sealing strip with the second sealing strip is the silicon rubber sealing strip. The soft elasticity of silicon rubber sealing strip is good, resistant high low temperature, is difficult to ageing moreover, indeformable, resistant slight acid-base, all has fine performance in the aspect of resistant ozone, resistant solubility, electrical insulation, is applicable to very much the utility model discloses a battery box.
Referring to fig. 1 and 2, according to the above-mentioned embodiment of the present invention, a plurality of electrical connectors 10 are disposed on the window frame 7, one end of each electrical connector 10 is exposed outside the window frame 7, and the other end is located inside the window frame 7 and connected to the electronic control assembly 5. And a display screen is arranged on the window frame 7 and used for displaying the residual electric quantity of the battery. And a switch button is arranged on the window frame 7. Establish electrical connector 10 on window frame 7 ingeniously, guarantee under electrical connector 10 and electric fork-lift's the normal condition of being connected of circuit, can not expand the utility model discloses the occupation space of well battery box to the battery box is in handling, and electrical connector 10 is difficult to be touched, has guaranteed the security and the reliability of product.
Referring to fig. 1 to 3, according to the above embodiment of the present invention, a protection plate 26 is disposed on the top of the casing set 2, and a hoisting through hole 27 is disposed on the protection plate 26. The second side plate 22 and the second side plate 22 extend upward to form the shielding plate 26. The top surface of the shielding plate 26 is higher than the window cover 8 or is flush with the window cover 8. The protection plate 26 has a good protection effect on the window frame 7, so that the window frame 7 is not easy to touch, and meanwhile, the hoisting through holes 27 are arranged to facilitate connection of the ropes and the battery box, and transportation and installation of the battery box are facilitated.
According to the utility model provides an electric fork-lift truck embodiment, including frame, hoisting mechanism, motor, battery box, control system, frame, hoisting mechanism, motor, control system are comparatively ripe technique among the prior art, and detailed repeated description is again given here, and battery box in this embodiment is in above-mentioned embodiment battery box. The utility model provides a during the specific assembly of battery box, fix battery module 4 on counter weight base 1, install automatically controlled subassembly 5 on suit casing 2, be connected automatically controlled subassembly 5 and battery module 4 electricity, at last with suit casing 2 from the top down suit battery module 4 and counter weight base 1's upper end and with counter weight base 1 be connected can, convenient assembling, it is efficient, adopt counter weight base 1 to improve the bulk strength of battery box to greatly increased the weight of battery box, used the utility model provides an electric fork truck need not to install additional balancing weight when last, can realize electric fork truck's self counter weight, has saved the fixed flow of installation of balancing weight, has improved electric fork truck's assembly efficiency, maintenance efficiency greatly.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an electric fork-lift's suit formula battery box, includes the box, establishes battery module and automatically controlled subassembly in the box, the battery module with automatically controlled subassembly electricity is connected its characterized in that: the box body comprises a counterweight base, a sleeved shell and a top cover, the sleeved shell is a square barrel which is through from top to bottom, the lower end opening of the sleeved shell is connected with the counterweight base, the upper end opening of the sleeved shell is connected with the top cover, the battery module is fixed on the counterweight base, and the electric control assembly is arranged in the sleeved shell.
2. The battery box of claim 1, wherein: the counterweight base comprises a counterweight seat and a mounting platform arranged on the counterweight seat, and shell connecting holes are formed in the periphery of the mounting platform; the lower part of the suit shell is sleeved on the mounting table, connecting through holes are formed in the periphery of the lower part of the suit shell, and the connecting through holes are opposite to the shell connecting holes one by one and are connected through connecting pieces.
3. The battery box of claim 2, wherein: the circumference of the mounting platform is smaller than that of the counterweight seat, and a step part is formed between the mounting platform and the counterweight seat.
4. The battery box of claim 1, wherein: be equipped with automatically controlled layer board in the suit casing, automatically controlled subassembly includes charge relay, discharge relay, fuse, hall current sensor, singlechip, direct current voltage converter and BMS controller, charge relay, discharge relay, fuse, hall current sensor, singlechip, direct current voltage converter are installed on the automatically controlled layer board, the BMS controller is installed on the inner wall of suit casing.
5. The battery box of claim 1, wherein: the sleeving shell comprises a first side plate, a second side plate, a third side plate and a fourth side plate which are connected together, wherein the first side plate is opposite to the third side plate, and the second side plate is opposite to the fourth side plate; the first side plate and the second side plate are of an integral structure, and the third side plate and the fourth side plate are of an integral structure.
6. The battery box of claim 4, wherein: two opposite brackets are arranged on the inner wall of the sleeving shell, and two ends of the electric control supporting plate are pressed against the brackets and connected with the brackets.
7. The battery box of claim 1, wherein: the top cover is provided with a maintenance window, the periphery of the outer side of the maintenance window is provided with a window frame, and the top cover further comprises a window cover matched with the window frame.
8. The battery box of claim 7, wherein: the window frame is provided with a plurality of electrical connectors, one ends of the electrical connectors are exposed outside the window frame, and the other ends of the electrical connectors are located inside the window frame and connected with the electric control assembly.
9. The battery box of claim 1, wherein: the protective plate is arranged at the top of the sleeved shell and provided with hoisting through holes.
10. The utility model provides an electric fork-lift truck, includes frame, hoisting mechanism, motor, battery box, control system, its characterized in that: the battery box is the battery box of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433296.0U CN210576078U (en) | 2019-08-30 | 2019-08-30 | Electric fork-lift's nested formula battery box and electric fork-lift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921433296.0U CN210576078U (en) | 2019-08-30 | 2019-08-30 | Electric fork-lift's nested formula battery box and electric fork-lift |
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| CN210576078U true CN210576078U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600645A (en) * | 2019-08-30 | 2019-12-20 | 北斗航天汽车（北京）有限公司 | Electric fork-lift's nested formula battery box and electric fork-lift |
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2019
- 2019-08-30 CN CN201921433296.0U patent/CN210576078U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110600645A (en) * | 2019-08-30 | 2019-12-20 | 北斗航天汽车（北京）有限公司 | Electric fork-lift's nested formula battery box and electric fork-lift |
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