CN108502812A - Fork truck and its integral battery case - Google Patents

Fork truck and its integral battery case Download PDF

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Publication number
CN108502812A
CN108502812A CN201810356122.2A CN201810356122A CN108502812A CN 108502812 A CN108502812 A CN 108502812A CN 201810356122 A CN201810356122 A CN 201810356122A CN 108502812 A CN108502812 A CN 108502812A
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CN
China
Prior art keywords
battery case
fork truck
car body
bolt
slot
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.)
Granted
Application number
CN201810356122.2A
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Chinese (zh)
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CN108502812B (en
Inventor
蒋钟伟
马琦晨
王政
李杨
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Zhejiang EP Equipment Co Ltd
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Zhejiang EP Equipment Co Ltd
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Priority to CN201810356122.2A priority Critical patent/CN108502812B/en
Publication of CN108502812A publication Critical patent/CN108502812A/en
Application granted granted Critical
Publication of CN108502812B publication Critical patent/CN108502812B/en
Active legal-status Critical Current
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, 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
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices 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
    • B66F9/075Constructional features or details
    • B66F9/07513Details concerning the chassis
    • B66F9/07531Battery compartments
    • 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

Abstract

The present invention relates to fork truck and its integral battery casees.The integral battery case of fork truck, car body is equipped with the installation cavity of side openings, battery case is packed into from side openings in installation cavity, after battery case is packed into installation cavity, on the one hand the mechanical connection between lithium battery box and car body is realized by lockable mechanism, on the other hand realizes that battery case is connect with the circuit of electrical control mechanism on fork truck by plug-in and pull-out device.A kind of fork truck has the above integral battery case.The integral battery case of the present invention, drawing and pulling type are installed on the car body, and realize the machinery positioning between battery case and car body by locking mechanism, and battery case and being electrically connected between fork truck are realized by plug-in and pull-out device.Convenient for the disassembling, assembling and replacing to battery case.

Description

Fork truck and its integral battery case
Technical field
The present invention relates to fork trucks, more particularly to are suitble to the fork truck and its integral battery case of small job space.
Background technology
Fork truck is industrial transportation vehicle, refer to member pallet cargo is loaded and unloaded, stacking and short distance hauling operation Various wheeled carrying vehicles.
Fork truck is needed in small job space, for this kind of fork truck, for the flexibility of operation and to working space It is required that the volume of reduction fork truck as far as possible is needed, however, fork truck volume-diminished, causes the operating space of driver also to subtract therewith It is small, influence the operating comfort of operator.In addition small size fork truck causes layout relatively tight because of the limitation of design space It gathers, it is also quite inconvenient for detection, repair and maintenance.
Meanwhile it is existing using battery powered fork truck, generally use lead-acid battery.Since the volume of lead-acid battery is larger, Battery is generally located on the position close to cockpit on fork truck, is located at the lower section of operating seat.In this way, shared by one side battery Space is big, causes the volume of fork truck larger;The replacement of another aspect battery is needed by loop wheel machine, very inconvenient.
On the other hand, it is to rely on master as shown in figure 5, electri forklift in the prior art is generally based on mechanical steering The hydraulic power-assisted steering of oil circuit connects steering mechanism under steering wheel by universal joint, this is most widely used at present hydraulic rotation It is designed to connection structure.Steering wheel rotation finally drives steering gear to rotate, and is directly provided and is helped by the mode of mechanical-hydraulic-machinery Power.Such steering mode must rely on the power of pump motor so that pump motor a moment is ceaselessly working, in this way in energy consumption And waste very much, and the torsion of hand steering wheel rotation is also comparable big, is also for the worker of long-time operation Quite tired.Another kind is the independent electronic power assist steering for increasing steering motor.But the former energy consumption is excessive, and operability is poor, The latter is only applied to three fulcrum forklifts of single driving mostly at present due to mechanical structure limitation.
Invention content
To solve the above-mentioned problems, the purpose of the present invention is to provide a kind of fork truck and its integral battery case, battery cases Small volume, battery case drawing and pulling type are mounted on fork truck, and are locked by lockable mechanism and car body, by plug-in and pull-out device and fork truck Electrical control mechanism realize that electrical connection, battery case disassembling, assembling and replacing are convenient.
In order to achieve the above purpose, present invention employs technical solutions below:
The integral battery case of fork truck, car body (1) are equipped with the installation cavity (12) for installing lithium battery box (71), installation Chamber (12) left or right side is equipped with the opening for being packed into or extracting out for lithium battery box drawing and pulling type, after lithium battery box is packed into installation cavity, one Aspect realizes the mechanical connection between lithium battery box (71) and car body (1) by lockable mechanism, on the other hand passes through plug-in and pull-out device (73) realize that battery case is connect with the circuit of electrical control mechanism on fork truck (7);The babinet of battery case be equipped with it is external for electrical outlet, It is fixed for position of the electrical outlet on battery case, car body is equipped with electrical interface, and the position of electrical interface on the car body is fixed, electrical interface In at least provided with positive and negative anodes contact, the positive and negative anodes contact series enter the electrical control mechanism on fork truck;Plug-in and pull-out device (73) and car body grafting Cooperation, plug-in and pull-out device are equipped with power contact head (731) and automatically controlled contact (732), power contact head (731) and the confession on battery case (71) Electrical outlet is mating, automatically controlled contact (732) and mating with electrical interface on car body, power contact head (731) and automatically controlled tactile Head (732) plug-in and pull-out device inner conductive connect, the plugging direction of automatically controlled contact (731), the plugging direction of power contact head (732) and The plug orientation of plug-in and pull-out device is consistent.
As optimal technical scheme, slide guide device is equipped between battery case and installation cavity.
As optimal technical scheme, slide guide device includes multiple idler wheels (121) that bottom is arranged in installation cavity, institute Idler wheel (121) is stated to be distributed in mobile route of the battery case relative to installation cavity (12), during battery case is packed into or takes out, The rolling plane contact of battery case bottom and idler wheel;Slide guide device further includes the guide rail being oriented to battery case.
As optimal technical scheme, lockable mechanism includes the bolt (712) being arranged on battery case and is arranged on the car body For the slot (122) that bolt (712) is caught in, bolt (712) can be slided up and down with respect to socket (713) makes bolt (712) insert It further includes that bolt (712) is made to keep being inserted into slot to enter in slot (122) or make bolt abjection from slot (122), lockable mechanism (122) or the positioning component with slot (122) disengaged position.
As optimal technical scheme, it is equipped with socket (713) in battery case (71), the bolt (712) passes through socket (713) it is fixed on battery case (71), the upper end of bolt (712) is exposed from the upper surface of battery case (71) always, battery case Lower end is equipped with the trepanning being pierced by downwards for bolt (712), and slot (122) is located at installation cavity bottom on car body, and battery case is complete After being packed into installation cavity (12), trepanning is aligned with slot (122).
As optimal technical scheme, positioning component includes the positioning column (715) being connect with bolt and is arranged in battery case (71) locating slot on, before positioning column (715) is caught in locating slot, positioning column (715) due to battery case upper surface limitation, Raise the state that bolt (712) makes it keep being detached from slot;Positioning column (715) turns at locating slot, and positioning column blocks downwards Enter in locating slot, bolt (712) is driven to be caught in slot.
As optimal technical scheme, plug-in and pull-out device is equipped with hand-held part.
As optimal technical scheme, contactor is in series in the link circuit of plug-in and pull-out device and electrical control mechanism.
As optimal technical scheme, step is formed on battery case.
The invention also discloses the fork trucks with above-mentioned battery case.
A kind of fork truck includes the integral battery case of any one of them fork truck as above.
The present invention integral battery case, drawing and pulling type install on the car body, and by locking mechanism realize battery case with Machinery positioning between car body can be plugged once by plug-in and pull-out device and realize battery case and being electrically connected between fork truck.Convenient for battery The disassembling, assembling and replacing of case.
Description of the drawings
Fig. 1 is the structural schematic diagram of fork truck in the present invention.
Fig. 2 is the structural schematic diagram of fork truck another side in the present invention.
Fig. 3 is the schematic layout pattern of each component on car body.
Fig. 4 is the attachment structure schematic diagram of driving mechanism in the present invention.
Fig. 5 is the functional block diagram of fork-truck steering in the prior art.
Fig. 6 is the attachment structure schematic diagram of hydraulic power-assisted steering in the present invention.
Fig. 7 is the functional block diagram of hydraulic power-assisted steering in the present invention.
Fig. 8 is the structure chart of battery case and plug-in and pull-out device in the present invention.
Fig. 9 is the structural schematic diagram of lockable mechanism in the present invention.
The schematic diagram that Figure 10 is connected between battery case and electric control part by plug-in and pull-out device.
Figure 11 is the scheme of installation of car body and upper counterweight, lower counterweight.
Figure 12 is enlarged drawing at the D in Figure 11.
Wherein:1, car body, 11, partition board, 12, installation cavity, 121, idler wheel, 122, slot, 13, upper counterweight, 14, lower counterweight, 15, back side panel, 16, seat support, 2, elevating mechanism, 21, hoisting rack, 22, pallet fork, 3, safe canopy, 4, cockpit, 41, vehicle seat, 42, operating mechanism, 421, steering wheel, 5, driving mechanism, 51, driving wheel, 52, driving gearbox, 53, driving motor 54, electromagnetism Brake, 6, steering mechanism, 61, steeraxle, 62, deflecting roller, 63, turn to potentiometer, 64, EPS motor, 65, EPS controllers, 7, electrical control mechanism, 71, lithium battery box, 711, step, 712, bolt, 713, socket, 714, copper sheathing, 715, positioning column, 716, Handle, 72, controller, 73, plug-in and pull-out device, 731, power contact head, 732, automatically controlled contact, 74, connecting cable, 75, contactor, 8, liquid Press mechanism, 81, fuel tank, 82, solenoid valve, 83, gear pump, 84, pump motor, 85, tank filler, 86, hydraulic station,
Specific implementation mode
The preferred embodiment of this patent is described in further detail below in conjunction with the accompanying drawings.Arrow is signified wherein in figure Direction is the front side of car body.
Lithium battery fork truck as depicted in figs. 1 and 2, including car body 1,1 front side of car body are equipped with elevating mechanism 2, elevating mechanism 2 The pallet fork 22 being arranged on hoisting rack including hoisting rack 21 and lifting.1 top of car body is equipped with cockpit 4, is equipped in cockpit 4 solid The vehicle seat 41 and operating mechanism 42 being scheduled on car body 1.Safe canopy 3 is equipped in the present embodiment on the outside of cockpit, safe canopy 3 is fixed Above car body 1.41 lower part of car body is equipped with driving mechanism 5, steering mechanism 6, electrical control mechanism 7 and hydraulic mechanism 8.
Lithium battery fork truck in the present embodiment is driven using two front wheels, after two-wheel turns to side by side three fulcrum structures.Three Point fork truck refers to the fork truck that entire fork truck weight is supported by three supporting points, wherein three supporting points are respectively two front-wheel institutes A supporting point at intermediate position after two supporting points and vehicle that constitute.Three fulcrum forklifts are for four fulcrum forklifts, tool There is identical stability, but the steering of three fulcrum forklifts is more flexible, when especially small 360 degree of space turns to, can more embody Flexibility.Two front wheels drive powerful, climbing capacity strong.
As shown in figure 3, driving mechanism 5 be mounted on Vehicular body front, driving mechanism include driving wheel 51 and respectively with two Driving gearbox 52, driving motor 53 and the electromagnetic brake 54 that driving wheel 51 connects.The output axis connection electricity of driving motor 53 Magnetic brake 54 and driving gearbox 52, driving gearbox 52 connect driving wheel 51.Operating mechanism 42 and 54 electricity of electromagnetic brake Connection, fork truck are stable and safe and reliable using electronics servobrake braking ability.
As shown in Fig. 3,6 and 7, steering mechanism 6 is for realizing fork-truck steering function.Steering mechanism includes steeraxle 61, two A deflecting roller 62 and steering potentiometer 63.Steeraxle 61 is mounted on 1 rear side middle part of car body, and steeraxle 61 is under steering cylinder effect It can rotate clockwise or counterclockwise, the left and right end hydraulic fluid port of steering cylinder is connected respectively to hydraulic mechanism 8, is driven by hydraulic mechanism 8 61 left-right rotation of steeraxle.Two rotating wheels 62 or so are mounted side by side on steeraxle 61, and the rotation of steeraxle 61 drives rotating wheel 62 rotate together.It turns to potentiometer 63 and is mounted on 61 upper end of steeraxle, turn to potentiometer 63 and connect with electrical control mechanism 7, supervised in real time The rotational angle for controlling deflecting roller 63 passes angle signal when steering potentiometer 63 collects deflecting roller direction to first retainer Defeated to arrive electrical control mechanism, electrical control mechanism 7 limits control 8 overflow of hydraulic mechanism, can not oversteering to control deflecting roller 62.Generally For, above-mentioned first retainer is 90 °.Meanwhile electrical control mechanism 7 can also after receiving angle signal to the travel speed of fork truck into Row adjustment has reached the function that turning is slowed down.
Hydraulic mechanism 8 divides for lifting oil circuit and turns to oil circuit two parts, and the lifting oil circuit includes fuel tank 81, solenoid valve 82, gear pump 83 and pump motor 84, the lifting oil circuit in hydraulic mechanism 8 are that elevating mechanism 2 provides power, pump motor 84 and gear 83 connection of pump, is connected between gear pump 83 and fuel tank 81 by oil pipe, gear pump 83 is connected to elevating mechanism by solenoid valve 82 2.Pump motor 84 drives gear pump 83 to work, and gear pump 83 takes oil from fuel tank 81, and elevating mechanism 2 is controlled by multipath electrovalve 82 Work.It includes the hydraulic station 86 being connect with fuel tank, hydraulic station 86 to turn to oil circuit and provide power steering to turn to oil circuit for steering mechanism 6 Oil is taken from fuel tank 81, and the left and right end of the steering cylinder that steeraxle rotation is driven in steering mechanism is connected into fuel-displaced by oil pipe Mouthful, it is rotated by 86 oil pressure actuated steeraxle 61 of hydraulic station.Lift a left side of each component concentrated setting in oil circuit in the middle part of car body Side or right side turn to the hydraulic station in oil circuit and are arranged on rear side of car body close to steering mechanism's setting, and hydraulic station is connected by oil pipe Oil is taken to the fuel tank in lifting oil circuit.Hydraulic mechanism further includes tank filler 85, and tank filler is independently of lifting oil circuit dew Go out on the outside of car body, convenient for by refueling in tank filler case mailbox.
It is connected by EPS motor 64 and EPS controllers 65 between hydraulic station 86 and the steering wheel 421 of operating mechanism, Wherein, EPS motor 64 is mounted in the rotation axis of steering wheel 421, and 64 shaft of EPS motor is driven while steering wheel 421 rotates It rotates, the EPS motor in the present embodiment is stepper motor;EPS controllers 65 be mounted on hydraulic station 86 on, EPS controllers 65 with Hydraulic station 86 connects, and EPS controllers 65 receive the signal of EPS motor 64, and oil pressure is entered to a left side for steering cylinder according to the signal Chamber or right chamber, control turn to.In the present embodiment, pump motor 84 and hydraulic station 86 independently control elevating mechanism 2 and turn To mechanism 6, had the following advantages compared to traditional mechanical steering fork truck:One, pump motor 84 does not need the moment and ceaselessly works, Energy consumption can be effectively reduced, noise is reduced;Two, it is turned to and is connected using electricity between steering wheel 421 and steering mechanism 6, in operation side Steering to disk 421 is more flexible.
As shown in figure 4, electrical control mechanism 7 connects operating mechanism 42, hydraulic mechanism 8, steering mechanism 6, driving mechanism 5 and lifting Mechanism 2, the functions such as start and stop, advance, retrogressing, the lifting of steering angle and pallet fork for controlling car body.Electrical control mechanism 7 includes Lithium battery box 71 and controller 72, lithium battery box 71 are the power supply for electrical equipment such as the motor on fork truck, and controller 72, which receives, to be turned to The signal of the signal pickup assemblies such as potentiometer, and control the motor on fork truck and execute corresponding actions.In order to simplify the control to motor System, electrical control mechanism are arranged multiple controllers and control pump electricity in driving motor 53 and hydraulic system in driving mechanism respectively Machine 84.In installation site, 72 concentrated setting of multiple controllers is located at the top of driving mechanism 5 in 1 front side of car body.In this way, just Malfunction elimination is carried out to controller 72 in the later stage, and the distance between controller 72 and motor can be reduced as far as possible, to contract The length of connecting cable 74 between short controller and motor, cabling is neat and can reduce the use cost of connecting cable.
Lithium battery box 71 in electrical control mechanism 7 is arranged in the middle part of car body to be set side by side with the lifting oil circuit or so in hydraulic mechanism It sets, and is separated by partition board 11 between the installation position of the two.Each member in tight installation, can reduce vehicle volume on car body, Also, car body is equipped with the side that oil circuit is lifted in above-mentioned hydraulic mechanism, and epipleural can open the institute exposed in lifting oil circuit There is component, is conducive to malfunction elimination.
As shown in Fig. 1,2 and 11, car body 1 is equipped with installation cavity 12 for installing lithium battery box, 12 left side of installation cavity or Right side is equipped with the opening for being packed into or extracting out for battery case drawing and pulling type.The drawing and pulling type refers to battery case with respect to car body in level The mode for being fitted into the installation cavity of car body or being removed from installation cavity is relatively moved on direction.Due to battery case own wt compared with Greatly, it is taken out from installation cavity 12 by battery case propulsion installation cavity 12 or by battery case for convenience, between battery case and installation cavity Equipped with slide guide device.Slide guide device in the present embodiment includes multiple idler wheels 121 that bottom is arranged in installation cavity, The idler wheel 121 is distributed in mobile route of the battery case relative to installation cavity 12, during battery case is packed into or takes out, electricity The rolling plane contact of pond bottom portion and idler wheel is to reduce battery case and installation cavity frictional force.Also, in installation cavity be equipped with pair The guide rail that battery case is oriented to.After battery case is packed into installation cavity, on the one hand by lockable mechanism realize lithium battery box 71 and car body 1 it Between mechanical connection, on the other hand by plug-in and pull-out device 73 realize battery case connect with the circuit of electrical control mechanism 7.
As shown in Fig. 8,9,11 and 12, the lockable mechanism in the present embodiment includes 712 He of bolt being arranged on battery case It is arranged and is used for the slot 122 that bolt 712 is caught on the car body, is equipped with socket 713 in battery case 71, the bolt 712 passes through Socket 713 is fixed on battery case 71, and the upper end of bolt 712 is exposed from the upper surface of battery case 71 always, under battery case End is equipped with the trepanning being pierced by downwards for bolt 712, and slot 122 is located at installation cavity bottom on car body, and battery case is entirely enclosed in peace It behave affectedly after 12, trepanning is aligned with slot 122.Bolt 712 can be slided up and down with respect to socket 713 makes bolt 712 be inserted into slot 122 In or so that bolt is deviate from from slot 122, to realize the mechanical caging between battery case 71 and car body 1.Preferably, bolt Seat 713 is equipped with copper sheathing 714, and bolt 712 is plugged in copper sheathing 714.Lockable mechanism further includes that bolt 712 is made to keep being inserted into slot 122 or the positioning component with 122 disengaged position of slot, the positioning component in the present embodiment includes positioning column 715 and is arranged in electricity Locating slot on pond case 71.Bolt 712 can be rotated around its own axis, and positioning column 715 is rotated together with bolt 712, with positioning Column 715 coordinate locating slot be located on the rotation path of positioning column, before positioning column 715 is caught in locating slot, positioning column 715 by The state that bolt 712 makes it keep being detached from slot is raised in limitation in battery case upper surface;Positioning column 715 turns to positioning At slot, positioning column is caught in locating slot downwards, and bolt 712 is caught in slot at this time.Positioning column is interference fitted with locating slot, is prevented Fork truck makes positioning column 715 deviate from from locating slot in action process due to shaking, to ensure that bolt 712 determines battery case Position.For the ease of the operation to bolt, the handle 716 for driving bolt to act, positioning column are preferably fixed in the upper end of bolt It is also secured on handle.
As shown in figure 8, the babinet of battery case be equipped with it is external for electrical outlet, it is solid for position of the electrical outlet on battery case It is fixed, it is entirely located in battery case for the power cord of the lithium cell core in electrical outlet and battery case.As shown in Figure 10, automatically controlled on fork truck Positive and negative anodes are serially connected between the controller 72 of mechanism, and controller is connected in series with contactor 75, and car body is equipped with electrical interface, and electricity connects It connects with controller and contactor at least provided with positive and negative anodes contact, the positive and negative anodes contact in mouthful.The electrical interface is on the car body Position is fixed, and the connecting line between electrical interface and controller and contactor is entirely located in car body.
Plug-in and pull-out device 73 and car body are mating, and plug-in and pull-out device is equipped with power contact head 731 and automatically controlled contact 732, power contact head 731 with it is mating for electrical outlet on battery case 71, automatically controlled contact 732 and on car body with electrical interface it is mating, power supply Contact 731 is connected with automatically controlled contact 732 in plug-in and pull-out device inner conductive, the plugging direction of automatically controlled contact 731, power contact head 732 Plugging direction is consistent with the plug orientation of plug-in and pull-out device.Since battery case is located in car body, on battery case for electrical outlet and car body On electrical interface between there is dislocation or front-back staggered up and down, corresponding automatically controlled contact and power supply in the plug orientation of plug-in and pull-out device There is dislocation or front-back staggered up and down between contact in the plug orientation of plug-in and pull-out device.Plug-in and pull-out device is equipped with hand-held part.Power supply touches Head and the series connection of automatically controlled contact make to be formed into a loop between battery case and controller and contactor, and it is car body that contactor, which controls battery case, Electrical control mechanism power supply.
The circuit connection realized between battery case and controller can be once plugged by the way that plug-in and pull-out device is arranged, also, is being returned It is equipped with contactor in road, passes through the break-make of contactor control loop.
Since cockpit position is higher on car body 1, need to be arranged step so that driver enters into cockpit.As excellent It selects, step 711 is formed in the battery case in the present embodiment, it is simple in structure so there is no need to which step is still further arranged.
Fork truck in the present embodiment replaces traditional lead-acid battery due to the use of lithium battery, and lithium battery is on the car body Arranged by above structure, also, vehicle seat is fixed on by seat support 16 on the back side panel 15 of car body, due to vehicle seat height compared with Height, the installation space between below-seat and battery cavities upper end are larger.Therefore, as shown in figure 11, by clump weight in the present embodiment It is divided into counterweight 13 and lower 14 two parts of counterweight, upper counterweight 13 and lower counterweight 14 are an integral structure respectively, and upper counterweight 13 is arranged It is held on the car body to the installation space of below-seat, upper counterweight 13 is fixed on 15 front side of car body back side panel.Lower counterweight 14 is fixed on The rear side of back side panel 15 on car body, lower counterweight 14 are equipped with the notch exposed for steering mechanism 6.Clump weight is divided by the present embodiment Upper counterweight and lower counterweight two parts, upper counterweight take full advantage of the installation space between vehicle seat and car body on car body, make vehicle knot Structure is compact;Upper counterweight and lower counterweight are respectively positioned on the latter half of fork truck, play the portfolio effect by weight to vehicle.Upper counterweight and Lower counterweight is mounted directly a part of structure as fork truck on the car body, the global shape cooperation of shape and fork truck, in this way, one The terminal with compact integral structure of aspect fork truck is beautiful, meanwhile, the left and right outside of upper counterweight is suitable with fork truck cockpit outside or protrudes from On the outside of cockpit, this way it is not necessary to which anticollision strip is arranged again in the outside of cockpit vehicle seat, since the intensity of upper counterweight is very big, lead to Good anticollision effect can be played by crossing counterweight, can further reduce the width of fork truck.
Preferably, the hydraulic station 86 in the present embodiment in hydraulic mechanism is fixed on the rear side of seat support 16, in this way, hydraulic pressure Stand the distance between 86 and steering mechanism 6 are smaller, and it is neat to be conducive to the cabling of hydraulic tube on fork truck.And the oil in hydraulic mechanism Fuel tank filler 85 is also disposed at the rear side of seat support 15, and tank filler is connected to by oil filling pipe in fuel tank, and fuel tank refuels Mouth 85 exposes outside car bodies 1, convenient for refueling into fuel tank.It, can in order to make tank filler expose outside car body in the present embodiment To be equipped with the notch exposed for tank filler 85 in lower counterweight.

Claims (10)

1. the integral battery case of fork truck, which is characterized in that car body (1) is equipped with the installation cavity for installing lithium battery box (71) (12), installation cavity (12) left or right side is equipped with the opening for being packed into or extracting out for lithium battery box drawing and pulling type, and lithium battery box is packed into peace After behaveing affectedly, the mechanical connection between lithium battery box (71) and car body (1) is on the one hand realized by lockable mechanism, is on the other hand passed through Plug-in and pull-out device (73) realizes that battery case is connect with the circuit of electrical control mechanism on fork truck (7);The babinet of battery case is equipped with external confession Electrical outlet is fixed for position of the electrical outlet on battery case, and car body is equipped with electrical interface, and the position of electrical interface on the car body is solid It is fixed, enter the electrical control mechanism on fork truck at least provided with positive and negative anodes contact, the positive and negative anodes contact series in electrical interface;Plug-in and pull-out device (73) with Car body is mating, and plug-in and pull-out device is equipped with power contact head (731) and automatically controlled contact (732), power contact head (731) and battery case (71) mating for electrical outlet on, automatically controlled contact (732) uses electrical interface mating on car body, power contact head (731) it is connected in plug-in and pull-out device inner conductive with automatically controlled contact (732), the plugging direction of automatically controlled contact (731), power contact head (732) plugging direction is consistent with the plug orientation of plug-in and pull-out device.
2. the integral battery case of fork truck according to claim 1, which is characterized in that be equipped between battery case and installation cavity Slide guide device.
3. the integral battery case of fork truck according to claim 2, which is characterized in that slide guide device includes that setting exists Multiple idler wheels (121) of bottom in installation cavity, the idler wheel (121) are distributed in mobile road of the battery case relative to installation cavity (12) On line, during battery case is packed into or takes out, the rolling plane contact of battery case bottom and idler wheel;Slide guide device also wraps Include the guide rail being oriented to battery case.
4. the integral battery case of fork truck according to claim 1, which is characterized in that lockable mechanism includes being arranged in battery Bolt (712) and setting on case are used for the slot (122) that bolt (712) is caught on the car body, and bolt (712) can be with respect to bolt Seat (713), which slides up and down, makes bolt (712) be inserted into slot (122) or make bolt abjection from slot (122), and lockable mechanism is also Positioning component including making bolt (712) holding insertion slot (122) or with slot (122) disengaged position.
5. the integral battery case of fork truck according to claim 4, which is characterized in that be equipped with socket in battery case (71) (713), the bolt (712) is fixed on by socket (713) on battery case (71), and the upper end of bolt (712) is always from electricity The upper surface of pond case (71) is exposed, and the lower end of battery case is equipped with the trepanning being pierced by downwards for bolt (712), slot (122) position In installation cavity bottom on car body, after battery case is entirely enclosed in installation cavity (12), trepanning is aligned with slot (122).
6. the integral battery case of fork truck according to claim 4, which is characterized in that positioning component includes being connect with bolt Positioning column (715) and locating slot on battery case (71), before positioning column (715) is caught in locating slot, positioning column are set (715) due to the limitation of battery case upper surface, the state that bolt (712) makes it keep being detached from slot is raised;Positioning column (715) It turns at locating slot, positioning column is caught in locating slot downwards, and bolt (712) is driven to be caught in slot.
7. the integral battery case of fork truck according to claim 1, which is characterized in that plug-in and pull-out device is equipped with hand-held part.
8. the integral battery case of fork truck according to claim 1, which is characterized in that the connection of plug-in and pull-out device and electrical control mechanism Contactor is in series in circuit.
9. the integral battery case of fork truck according to claim 1, which is characterized in that form step on battery case.
10. a kind of fork truck, which is characterized in that the integral battery case including fork truck as claimed in any one of claims 1-9 wherein.
CN201810356122.2A 2018-04-19 2018-04-19 Fork truck and integral type battery box thereof Active CN108502812B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810356122.2A CN108502812B (en) 2018-04-19 2018-04-19 Fork truck and integral type battery box thereof

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Application Number Priority Date Filing Date Title
CN201810356122.2A CN108502812B (en) 2018-04-19 2018-04-19 Fork truck and integral type battery box thereof

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Publication Number Publication Date
CN108502812A true CN108502812A (en) 2018-09-07
CN108502812B CN108502812B (en) 2023-08-18

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