CN111847322A - Forklift and explosion-proof structure thereof - Google Patents

Forklift and explosion-proof structure thereof Download PDF

Info

Publication number
CN111847322A
CN111847322A CN202010831682.6A CN202010831682A CN111847322A CN 111847322 A CN111847322 A CN 111847322A CN 202010831682 A CN202010831682 A CN 202010831682A CN 111847322 A CN111847322 A CN 111847322A
Authority
CN
China
Prior art keywords
explosion
proof
frame
lithium battery
proof structure
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010831682.6A
Other languages
Chinese (zh)
Inventor
匡建威
黄玉成
王盼
肖凌
胡彩凤
曾昆雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hengyang Heli Industrial Vehicle Co Ltd
Original Assignee
Hengyang Heli Industrial Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hengyang Heli Industrial Vehicle Co Ltd filed Critical Hengyang Heli Industrial Vehicle Co Ltd
Priority to CN202010831682.6A priority Critical patent/CN111847322A/en
Publication of CN111847322A publication Critical patent/CN111847322A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/24—Electrical devices or systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
    • B66F17/003—Safety devices, e.g. for limiting or indicating lifting force for fork-lift trucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07504—Accessories, e.g. for towing, charging, locking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/07513—Details concerning the chassis
    • B66F9/07531—Battery compartments
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The invention discloses an explosion-proof structure which comprises an explosion-proof shell arranged on a frame, an electrical system assembly arranged on the frame and positioned in the explosion-proof shell, and an explosion-proof lithium battery pack arranged on the frame, electrically connected with the electrical system assembly and used for supplying power to the electrical system assembly. According to the explosion-proof structure provided by the invention, through the structural design of the explosion-proof shell and the explosion-proof lithium battery pack, live-line operation parts such as an electrical system assembly and the like, and the lithium battery and the external environment are mutually separated, and meanwhile, safety protection such as fire prevention, static prevention, explosion prevention and the like is provided for the explosion-proof structure, so that the explosion caused by the influence of external static sparks during the operation of a forklift storage battery and an electrical system can be prevented, and the potential safety hazard of a forklift is eliminated. The invention also discloses a forklift, and the forklift has the beneficial effects as described above.

Description

Forklift and explosion-proof structure thereof
Technical Field
The invention relates to the technical field of forklifts, in particular to an explosion-proof structure. The invention also relates to a forklift.
Background
With the development of vehicle engineering technology, various vehicles have been put into use.
A forklift is a typical industrial transportation vehicle, which refers to various wheeled transportation vehicles for loading, unloading, stacking and short-distance transportation of finished pallet goods, and is commonly used for transportation of large warehoused objects, and is usually driven by an oil-fired machine or a battery. Industrial transportation vehicles are widely used in ports, stations, airports, cargo yards, factory workshops, warehouses, distribution centers, and the like, and are equipments essential for carrying and loading/unloading pallet goods in cabins, carriages, and containers.
The forklift plays a very important role in logistics systems of enterprises, and is a main force in material handling equipment, and material handling of most enterprises is separated from original manual handling and replaced by mechanical handling mainly by the forklift.
Forklifts can be generally classified into three major categories, i.e., diesel forklifts, electric forklifts, and storage forklifts. The diesel fork lift trucks are classified into general diesel fork lift trucks using diesel, gasoline, liquefied petroleum gas, or natural gas engines as power, heavy-duty fork lift trucks using diesel engines as power, container fork trucks dedicated to container handling, and side fork trucks capable of directly forking goods from the sides. The storage forklift is mainly a forklift designed for carrying goods in a warehouse. The electric forklift takes the motor as power and the storage battery as energy, mainly adopts an electric pallet stacking truck, and is widely applied to indoor operation and other working conditions with higher requirements on environment, such as industries of medicine, food and the like, due to low pollution and noise. With the emphasis on environmental protection, electric forklifts are gradually replacing diesel forklifts.
Taking an electric forklift as an example, in the prior art, the electric forklift is often applied to scenes with severe working environments, such as carrying and stacking of flammable and explosive articles in a chemical plant. However, the electric forklift is provided with a storage battery and supplies power to an electric system and other power-requiring systems, and during operation, problems such as short circuit, combustion, explosion and the like are easily caused by sparks, static electricity, local high temperature and other factors during transportation, so that potential safety hazards exist.
Therefore, how to prevent the explosion caused by the influence of external static sparks when the lithium battery and the electric system of the forklift operate and eliminate the potential safety hazard of the forklift is a technical problem for technicians in the field.
Disclosure of Invention
The invention aims to provide an explosion-proof structure which can prevent a forklift storage battery and an electrical system from being affected by external static sparks to cause explosion during operation and eliminate potential safety hazards of the forklift. Another object of the present invention is to provide a forklift.
In order to solve the technical problems, the invention provides an explosion-proof structure, which comprises an explosion-proof shell arranged on a frame, an electrical system assembly arranged on the frame and positioned in the explosion-proof shell, and an explosion-proof lithium battery pack arranged on the frame, electrically connected with the electrical system assembly and used for supplying power to the electrical system assembly.
Preferably, a BMS system for monitoring an operation state of each lithium battery is provided in the explosion-proof lithium battery pack.
Preferably, an observation window for observing the BMS system is opened on a side wall of the housing of the explosion-proof lithium battery pack.
Preferably, a charging socket for charging each lithium battery is arranged on the surface of the shell of the explosion-proof lithium battery pack.
Preferably, the surface of the shell of the explosion-proof lithium battery pack is further provided with an explosion-proof travel switch for controlling the on-off state of the charging socket and each lithium battery.
Preferably, the anti-explosion vehicle further comprises a top protection frame which is arranged on the vehicle frame, positioned above the anti-explosion shell and used for shielding falling objects.
Preferably, the bottom of the overhead guard is provided with an explosion-proof warning lamp for warning a user.
Preferably, the side wall of the explosion-proof housing is provided with a plurality of terminal heads which are vertically and uniformly arranged and used for forming plugging fit with the cable, and each terminal head is electrically connected with the electrical system component.
The invention further provides a forklift which comprises a frame and an explosion-proof structure arranged on the frame, wherein the explosion-proof structure is specifically any one of the explosion-proof structures.
Preferably, the lifting device further comprises a lifting system arranged at the front end of the frame in a lifting manner and used for lifting cargoes, a driving system arranged at the rear end of the frame, and an operating system arranged on the frame and connected with the driving system.
The invention provides an explosion-proof structure which mainly comprises an explosion-proof shell, an electrical system assembly and an explosion-proof lithium battery pack. Wherein, explosion-proof casing sets up on the frame, provides safety protection such as fire prevention, antistatic, explosion proof impact for internally mounted parts. The electric system assembly is arranged on the frame and specifically arranged in the explosion-proof shell, the electric system assembly is isolated from the external environment through the explosion-proof shell and protected by the explosion-proof shell, and the electric control support device is mainly used for providing electric control support for other systems (such as electronic components of a hydraulic system and the like) of the forklift. Explosion-proof lithium cell group sets up on the frame to with electrical system subassembly electric connection, mainly used supplies power to electrical system, in order to guarantee its normal power-on operation, and the surface of explosion-proof lithium cell group is provided with explosion-proof shell, and is the same with the effect that explosion-proof shell played, is used for keeping apart each lithium cell of inside with external environment, provides safety protection such as fire prevention, antistatic, explosion-proof impact for each lithium cell of inside. Therefore, the explosion-proof structure provided by the invention separates the parts which are operated in an electrified way, such as the electric system assembly, and the lithium battery from the external environment through the structural design of the explosion-proof shell and the explosion-proof lithium battery pack, and provides safety protection such as fire prevention, static prevention, explosion prevention and the like for the parts, so that the explosion caused by the influence of external static sparks during the operation of the forklift storage battery and the electric system can be prevented, and the potential safety hazard of the forklift is eliminated.
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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is another view of fig. 1.
Wherein, in fig. 1-3:
the anti-explosion vehicle comprises a vehicle frame-1, an anti-explosion shell-2, an electrical system component-3, an anti-explosion lithium battery pack-4, a top protection frame-5, an anti-explosion warning lamp-6, a wiring terminal-7, a hoisting system-8, a driving system-9, an operating system-10, an operating handle-11, a horn-12, an instrument panel-13 and a microswitch-14;
observation window-41, charging socket-42, explosion-proof travel switch-43.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic overall structure diagram of an embodiment of the present invention, fig. 2 is a top view of fig. 1, and fig. 3 is a schematic view of another view of fig. 1.
In one embodiment of the invention, the explosion-proof structure mainly comprises an explosion-proof housing 2, an electrical system assembly 3 and an explosion-proof lithium battery pack 4.
Wherein, explosion-proof housing 2 sets up on frame 1, provides safety protection such as fire prevention, antistatic, explosion proof impact for internally mounted parts.
The electrical system component 3 is arranged on the frame 1, specifically in the explosion-proof shell 2, the electrical system component 3 is isolated from the external environment through the explosion-proof shell 2, is protected by the explosion-proof shell 2, and is mainly used for providing electrical control support for other systems (such as electronic components of a hydraulic system) of the forklift.
Explosion-proof lithium cell group 4 sets up on frame 1 to with 3 electric connection of electrical system subassembly, mainly used supplies power to electrical system, in order to guarantee its normal power-on operation, and explosion-proof lithium cell group 4's surface is provided with explosion-proof shell, and is the same with explosion-proof casing 2 plays a role, is used for keeping apart each lithium cell of inside with external environment, provides safety protection such as fire prevention, antistatic, explosion proof impact for each lithium cell of inside.
So, the explosion-proof structure that this embodiment provided, through explosion-proof casing 2 and explosion-proof lithium cell group 4's structural design, with the part and the lithium cell of electrified operation such as electrical system subassembly 3 and external environment interval each other, provide safety protection such as fire prevention, antistatic, explosion-proof impact simultaneously to it, consequently can prevent that fork truck battery and electrical system from receiving the influence of external static spark and leading to the explosion when the operation, eliminate fork truck potential safety hazard.
In a preferred embodiment of the anti-explosion lithium battery pack 4, the anti-explosion lithium battery pack 4 mainly comprises an anti-explosion housing and a plurality of lithium batteries arranged in the anti-explosion housing, and compared with a conventional storage battery, the storage capacity of the lithium batteries is higher and the safety is better.
In addition, in order to carry out whole journey control and control to the condition of each lithium cell at fork truck operation in-process, this embodiment has set up the BMS system in explosion-proof lithium cell group 4. Specifically, this BMS (Battery management System) System can accurately master the running state of each lithium cell through built-in control chip and each lithium cell electric connection to can realize multiple monitor function, show (accurate to every lithium cell monomer), automatic handling trouble, temperature detection, electric quantity display etc. including the fault point, in order to make things convenient for maintenance personal to carry out accurate investigation, maintenance and maintenance to whole car power supply unit, make whole car safer, the environmental protection.
Further, in order to facilitate the maintenance personnel to quickly and intuitively know the operation state of the explosion-proof lithium battery pack 4, the observation window 41 is provided on the side wall of the shell of the explosion-proof lithium battery pack 4. Specifically, the observation window 41 may be directly opposite to the control panel of the BMS system, so that the operation state of each lithium battery displayed on the control panel of the BMS system can be conveniently observed.
Moreover, for the convenience of charging each lithium battery, the present embodiment sets the charging socket 42 on the surface of the case of the explosion-proof lithium battery pack 4, so that the connection of each lithium battery and the commercial power is realized through the connection of the charging plug and the charging socket 42. So set up, because the structure small in size of charging socket 42 and charging plug, and pull out and insert convenient operation, consequently can improve the operating efficiency that charges of explosion-proof lithium cell group 4, realize that quick charging plug pulls out fast and inserts.
In addition, in order to improve the safety and controllability of the explosion-proof lithium battery pack 4 during the charging process, an explosion-proof travel switch 43 is additionally arranged on the surface of the shell of the explosion-proof lithium battery pack 4. Specifically, the explosion-proof travel switch 43 is electrically connected to the charging socket 42, and is mainly used for controlling the state of the switch according to the travel of the operation (such as pressing, pushing, screwing, etc.) of the maintenance personnel, so as to control the on-off state of the electrical connection between the charging socket 42 and each lithium battery, and conveniently cut off or turn on the charging circuit.
In another embodiment of the invention, the explosion-proof structure comprises an explosion-proof housing 2, an electrical system assembly 3 and an explosion-proof lithium battery pack 4, and also comprises a top protection frame 5, an explosion-proof warning lamp 6 and a terminal 7.
Wherein, overhead guard 5 sets up on frame 1 to specifically be located the top position of explosion-proof housing 2, mainly used shelters from frame 1 and explosion-proof housing 2, explosion-proof lithium cell group 4, thereby prevents that external falling object from directly striking the production spark on frame 1, avoids appearing the potential safety hazard, also provides safety protection for the driver on the fork truck simultaneously.
Further, this embodiment still is provided with explosion-proof warning light 6 in the bottom of overhead guard 5, and this explosion-proof warning light 6 mainly used sends alarm information to outside to in time inform fork truck driver and other personnel when critical conditions such as operating fault or burning, explosion appear at fork truck.
In addition, in order to facilitate the connection of the anti-explosion lithium battery pack 4 and other system components requiring electrical support with the electrical system assembly 3, a plurality of terminal pins 7 are provided on the side wall of the anti-explosion case 2. Specifically, in order to reduce the occupied space, each of the terminals 7 can be vertically and uniformly arranged on the side wall of the explosion-proof housing 2, and is respectively used for forming a plugging fit with various cables, and the inner end of each of the terminals 7 is electrically connected with the electrical system component 3, so that the explosion-proof lithium battery pack 4 and other system components needing electrical support only need to be connected with the corresponding terminal 7 through the cables, and the electrical connection with the electrical system component 3 can be realized. Meanwhile, in order to improve the connection stability and the sealing performance between the cable and the terminal heads 7, the embodiment further fills adhesive between the inner walls of the terminal heads 7 and the outer walls of the corresponding inserted cables, so that the connection is strengthened through the adhesive effect of the adhesive.
This embodiment still provides a fork truck, mainly includes frame 1 and the explosion-proof structure of setting on frame 1, and wherein, the specific content of this explosion-proof structure is the same with above-mentioned relevant content, and the no longer redundance here.
In addition, system components such as a hoisting system 8, a driving system 9 and an operating system 10 are arranged on the vehicle frame 1. The hoisting system 8 is mainly arranged at the front end of the frame 1 and is mainly supported by a hydraulic system to move up and down so as to lift and carry goods. The driving system 9 is arranged at the rear end of the frame 1 and mainly comprises a traction motor, a steering motor and the like. An operating system 10 is arranged on the top surface of the frame 1 and connected with the driving system 9, and is mainly used for being operated by a driver, and comprises an operating handle 11, a loudspeaker 12, an instrument panel 13, a microswitch 14 and the like.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an explosion-proof structure, its characterized in that, including set up explosion-proof casing (2) on frame (1), set up in on frame (1) and be located electrical system subassembly (3) in explosion-proof casing (2), and set up in on frame (1) and with electrical system subassembly (3) electric connection, be used for right explosion-proof lithium cell group (4) of electrical system subassembly (3) power supply.
2. Explosion protection architecture according to claim 1, characterized in that a BMS system for monitoring the operational state of each lithium battery is provided in the explosion-proof lithium battery pack (4).
3. The explosion-proof structure according to claim 2, wherein a side wall of the housing of the lithium battery pack (4) is provided with an observation window (41) for observing the BMS system.
4. Explosion protection architecture according to claim 3, characterized in that the housing surface of the lithium explosion protection battery pack (4) is provided with a charging socket (42) for charging each of the lithium batteries.
5. The explosion-proof structure according to claim 4, characterized in that the explosion-proof lithium battery pack (4) is further provided with an explosion-proof travel switch (43) on the surface of the shell for controlling the on-off state of the charging socket (42) and each lithium battery.
6. An explosion-proof structure as claimed in claim 1, characterized by further comprising a roof-guard (5) arranged on the frame (1) above the explosion-proof housing (2) for screening falling objects.
7. Explosion proof structure according to claim 6, characterized in that the bottom of the roof rack (5) is provided with an explosion proof warning light (6) for warning the user.
8. The explosion-proof structure according to claim 7, characterized in that the side wall of the explosion-proof housing (2) is provided with a plurality of terminals (7) which are vertically and uniformly arranged and used for forming a plug-in fit with a cable, and each terminal (7) is electrically connected with the electrical system component (3).
9. A forklift comprising a frame (1) and an explosion-proof structure arranged on the frame (1), characterized in that the explosion-proof structure is in particular an explosion-proof structure according to any one of claims 1 to 8.
10. A forklift truck as claimed in claim 9, further comprising a lifting system (8) arranged elevatably at the front end of the frame (1) and adapted to lift the goods, a drive system (9) arranged at the rear end of the frame (1), and an operating system (10) arranged on the frame (1) and connected to the drive system (9).
CN202010831682.6A 2020-08-18 2020-08-18 Forklift and explosion-proof structure thereof Pending CN111847322A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010831682.6A CN111847322A (en) 2020-08-18 2020-08-18 Forklift and explosion-proof structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010831682.6A CN111847322A (en) 2020-08-18 2020-08-18 Forklift and explosion-proof structure thereof

Publications (1)

Publication Number Publication Date
CN111847322A true CN111847322A (en) 2020-10-30

Family

ID=72969871

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010831682.6A Pending CN111847322A (en) 2020-08-18 2020-08-18 Forklift and explosion-proof structure thereof

Country Status (1)

Country Link
CN (1) CN111847322A (en)

Similar Documents

Publication Publication Date Title
US10787351B2 (en) Pallet truck
US10538422B2 (en) Plug-in controller assembly for a pallet truck
CN211455768U (en) Mining flame proof power box with double-layer protection structure
CN201508859U (en) Battery box for power battery
JP2015146257A (en) battery unit
WO2015015647A1 (en) Work vehicle
CN212532204U (en) Forklift and explosion-proof structure thereof
CN111847322A (en) Forklift and explosion-proof structure thereof
CN111055721A (en) Battery quick-changing device, engineering machinery and quick-changing method
McDowall A guide to lithium-ion battery safety
CN109050327B (en) Large-tonnage electric forklift charging control system and control method
CN202704957U (en) Explosion-proof storage battery reach truck
CN215578861U (en) Vehicle-mounted mobile energy storage square cabin
CN218161908U (en) Power distribution device with emergency power supply
CN1885587A (en) Standardized battery case of electric vehicle
CN211770105U (en) Explosion-proof battery fork truck
CN218145673U (en) Industrial carrying vehicle
CN209338055U (en) A kind of Anti-explosion electric forklift
CN220811768U (en) Fork truck with explosion-proof function
CN110902609B (en) Laser positioning lamp for warning of forklift working area
CN217009286U (en) Explosion-proof lithium ion battery pack
CN210838983U (en) Battery management device, forklift device and lift truck device
CN205346745U (en) Explosion -proof electric fork -lift
CN205906985U (en) Fork truck of flow of leaving warehouse puts in storage suitable for warehouse
CN215342888U (en) Be applicable to antedisplacement formula fork truck AGV lithium ion power supply system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination