CN110526172A - A kind of four fulcrum narrow opening radial type fork trucks - Google Patents
A kind of four fulcrum narrow opening radial type fork trucks Download PDFInfo
- Publication number
- CN110526172A CN110526172A CN201910910569.4A CN201910910569A CN110526172A CN 110526172 A CN110526172 A CN 110526172A CN 201910910569 A CN201910910569 A CN 201910910569A CN 110526172 A CN110526172 A CN 110526172A
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- Prior art keywords
- wheel
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- gear
- ontology
- fulcrum
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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
- B66F9/07504—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
- B66F9/07568—Steering arrangements
-
- 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
- B66F9/08—Masts; Guides; Chains
- B66F9/10—Masts; Guides; Chains movable in a horizontal direction relative to truck
- B66F9/105—Articulated, i.e. front chassis with wheels and mast rotatable relative to rear chassis with wheels
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses a kind of four fulcrum narrow opening radial type fork trucks, including a pair of of front-wheel, are symmetricly set on by the horizontal axis on swing axle and promote ontology two sides, form two front fulcrums；A pair of rear wheels is symmetricly set on body shell, forms two rear fulcrums；Driving device is connect with front-wheel and/or rear-wheels power；And transfer, connection promote ontology and body shell, the transfer is equipped with dynamical system, and the dynamical system driving transfer drive is promoted ontology and rotated centered on articulated spindle.The present invention passes through articulated mounting of the setting with independent steering function between car body and promotion ontology, promotion ontology is rotated to car body two sides, it significantly reduces fork truck and turns to space in narrow opening, improve the adaptability to different in width channel of fork truck；Meanwhile by the way that different driving methods is arranged, the flexibility of forklift operator is improved, the working efficiency of fork truck is effectively increased.
Description
Technical field
The present invention relates to technical field of forklift equipment, specially a kind of four fulcrum narrow opening radial type fork trucks.
Background technique
It is interior in a limited space to improve storage capacity in order to maximize the storage area in warehouse, it must be (logical by shelf spacing
Road or tunnel) width reduction, however, tunnel must have enough width to be just able to satisfy fork truck in tunnel for fork truck
It is mobile, and be able to satisfy stacking or access the demand of cargo.
Fork truck operation in tunnel, needed for working space directly influence operating efficiency and storage storage capacity, relatively
For common fork truck, the storage of conventional criteria pallet material may be only available for, be not applied for the storage of long material, operation effect
Rate is low；Simultaneously because common fork truck overall dimensions are larger, cause storage storage capacity low；Meanwhile it being disposed in existing fork truck
Three with the wheel of ground face contact, form bikini, cause single wheel pressure larger, and are by rear wheel drive, driving
Mode is single, it is easy to driving occurs and skid and unstable phenomenon.
Summary of the invention
The purpose of the present invention is to provide a kind of four fulcrum narrow opening radial type fork trucks, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme:
A kind of four fulcrum narrow opening radial type fork trucks, including
A pair of of front-wheel is symmetricly set on by the horizontal axis on swing axle and promotes ontology two sides, forms two front fulcrums, is used
Ontology is promoted in support；
A pair of rear wheels is symmetricly set on body shell, forms two rear fulcrums；
Driving device is connect with front-wheel and/or rear-wheels power, for driving entire body movement；And
Transfer comprising articulated spindle, the transfer connection promote ontology and body shell, the steering dress
It sets and is equipped with dynamical system, the dynamical system driving transfer drives promotion ontology to rotate centered on articulated spindle；
Wherein: when front-wheel is driven wheel, rear-wheel is driving wheel, and when front-wheel is driving wheel, rear-wheel is driven wheel or drive
Driving wheel；When articulation steering movement occurring while body movement, for articulated spindle around the rotation of front-wheel center, body shell can be with
Hinge joint displacement and be displaced.
Preferably, the transfer further include:
Preceding body cradle promotes ontology for connecting；And
Body cradle afterwards, for connecting body shell；
Preceding body cradle is connected as axle center using the articulated spindle and rear body cradle forms linkwork；
Wherein, body cradle body cradle rotation after before the linkage of dynamical system driving articulated spindle, to link promotion originally
Body is rotated centered on articulated spindle relative to car body.
Preferably, it is not fixed rotatably between the articulated spindle and preceding body cradle using pin shaft connection, the articulated spindle
Bearing is disposed with the connecting portion of preceding body cradle and is locked by locking nut, is able to rotate after the assembly is completed between the two.
Preferably, the front-wheel is single or multiple.
Preferably, the dynamical system includes articulation steering hydraulic motor and driving gear set, and the articulation steering is hydraulic
Motor linkage driving gear set, the driving gear set linkage articulated spindle.
Preferably, the driving gear set includes driving gear, the driving gear and the hydraulic horse of the articulation steering
Up to transmission connection, engaged with the great circle of transition gear, the small gear ring of transition gear is engaged with driven gear, driven gear with it is described
Articulated spindle connection, the transition gear is fixed in transition gear axle by bearing, the driving gear and transition gear
It is fixed on rear body cradle by gear fixed frame, it is rotatably not solid using key connection between the driven gear and articulated spindle
It is fixed.
Preferably, the dynamical system includes hydraulic oil container, gear pump, motor, the oil outlet and tooth of the hydraulic oil container
The connection of wheel pump oil inlet, the motor are connected by power with gear pump, and the gear pump oil outlet and hydraulic steering gear oil inlet connect
It is logical, the hydraulic steering gear actuator port with for drive the articulation steering hydraulic motor for promoting ontology steering to be connected to, motor and
Controller is electrically connected.
Preferably, the driving device includes battery pack, and the battery pack is arranged in body shell, and and drive control
Device is electrically connected, and the drive control device and driving motor are electrically connected, and the front-wheel and/or rear-wheel and driving motor power connect
It connects.
Preferably, the front-wheel that the single driving motor passes through the drive shaft with mechanical differential gear box and promotion ontology two sides
It is connected by power, front-wheel is as driving wheel, and the rear-wheel is as driven wheel.
Preferably, driving motor described in two is connected by power with the front-wheel for promoting ontology two sides respectively, and front-wheel is as drive
Driving wheel, the rear-wheel is as driven wheel.
Preferably, driving motor described in two is connect with the rear-wheels power of body shell two sides respectively, and rear-wheel is as drive
Driving wheel, the front-wheel is as driven wheel.
Preferably, the front-wheel that the single driving motor passes through the drive shaft with mechanical differential gear box and promotion ontology two sides
It is connected by power, front-wheel is as driving wheel, and driving motor described in two is connect with body shell two sides rear-wheels power respectively, rear-wheel
As driving wheel, a11wheel drive state is formed.
Preferably, driving motor described in four respectively with promoted ontology two sides front-wheel and body shell two sides rear-wheel
It is connected by power, front wheels and rear wheels form a11wheel drive state as driving wheel.
Compared with prior art, the beneficial effects of the present invention are:
The present invention is by articulated mounting of the setting with independent steering function between car body and promotion ontology, so that being promoted
Ontology can be rotated to car body two sides, significantly reduced fork truck and turned to space in narrow opening, and pair of fork truck is improved
The adaptability in different in width channel；Meanwhile by the way that different driving methods is arranged, the flexibility of forklift operator is improved, effectively
Improve the working efficiency of fork truck.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is side view of the invention；
Fig. 3 to Fig. 5 is for vehicle of the present invention in the status diagram of different steering positions in channel；
Fig. 6 and Fig. 7 is single drive structure schematic diagram before driving method of the present invention is；
Fig. 8 and Fig. 9 is that driving method of the present invention is preceding two drives structural schematic diagram；
Figure 10 and Figure 11 is two drive structural schematic diagram after driving method of the present invention is；
Figure 12 and Figure 13 is that driving method of the present invention is a11wheel drive structural schematic diagram；
Figure 14 and Figure 15 is that driving method of the present invention is a11wheel drive structural schematic diagram；
Figure 16 is dynamical system control schematic diagram of the invention；
Figure 17 is driving gear set cross-sectional view of the invention；
Figure 18 is driving gear set top view of the invention.
In figure: 1 body shell, 2 promoted ontologies, 3 transfers, body cradle behind body cradle, 32 before 31,33 articulated spindles,
34 driving gear sets, 341 driving gears, 342 gear fixed frames, 343 transition gears, 344 transition gear axles, 345 driven gears,
346 pin shafts, 4 front-wheels, 41 swing axles, 5 rear-wheels, 6 driving devices, 61 battery packs, 62 drive control devices, 63 driving motors, 64 machines
Tool differential mechanism, 7 dynamical systems, 71 hydraulic oil containers, 72 gear pumps, 73 motors, 74 hydraulic steering gears, the hydraulic horse of 75 articulation steerings
It reaches, 78 controllers.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-18 is please referred to, the present invention provides a kind of technical solution:
A kind of four fulcrum narrow opening radial type fork trucks, including
A pair of of front-wheel 4, and be symmetricly set on by the horizontal axis on swing axle 41 and promote 2 two sides of ontology, before forming two
Fulcrum, be used to support promoted ontology 2, front-wheel 4 be it is single or multiple, particular number can be designed according to vehicle load, swing
Bridge 41 has certain oscillating quantity to adapt to road surface when driving for fork truck on the road surface of out-of-flatness, improves the stabilization of vehicle driving
Property；Promoting ontology 2 includes a door frame assembly, which contains the track of multiple Telescopic movables；Fork carriage is mounted on
It on door frame assembly, can move up and down along most inner side track, fork carriage is equipped with a pair of pallet fork for being used for bearing goods, passes through operation
Hoisting control device drives hydraulic system (such as drive hydraulic motor, hydraulic pump or hydraulic motor are not shown) to work, to promotion
Raising, inclination and the lift truck attachment of mechanism provide power.
A pair of rear wheels 5 is symmetricly set on body shell 1, forms two rear fulcrums, and rear-wheel 5 includes solid tyre；Vehicle
Seat, steering control device, drive control pedal, hoisting control device, holding brake device, driving are provided on body ontology 1
Brake apparatus and driver's cabin；Battery pack and the power generation that power is provided for the counterweight of balance forklift, to each system of fork truck are mechanical, electrical
Motivation, hydraulic pump etc. are all mounted in body shell 1.
Transfer 3, connection promote ontology 2 and body shell 1, and transfer 3 is equipped with dynamical system 7, dynamical system
7 driving transfer 3 of system drives promotion ontology 2 to rotate centered on articulated spindle 33；
Wherein: when articulation steering movement occurring while body movement, articulated spindle 33 is rotated around 4 center of front-wheel,
Body shell 1 can be displaced as hinge joint is displaced.
Transfer 3 includes:
Preceding body cradle 31 promotes ontology 2 for connecting；
Body cradle 32 afterwards, for connecting body shell 1；And
Articulated spindle 33 is that axle center connects preceding body cradle 31 and rear body cradle 32 forms linkwork with articulated spindle 33；
Wherein, the body cradle 32 after of body cradle 31 rotates before dynamical system 7 drives articulated spindle 33 to link, to link
It promotes ontology 2 to rotate centered on articulated spindle 33 relative to car body 1, promotes angle of the ontology 2 relative to the unilateral rotation of body shell 1
Degree is at least 110 degree.Dynamical system 7 includes articulation steering hydraulic motor 75 and driving gear set 34, articulation steering hydraulic motor
75 linkage driving gear sets 34, the linkage articulated spindle 33 of driving gear set 34.
Driving gear set 34 includes driving gear 341, and driving gear 341 and articulation steering hydraulic motor 75 are sequentially connected,
It is engaged with the great circle of transition gear 343, the small gear ring of transition gear 343 is engaged with driven gear 345, driven gear 345 and hinge
It connects and is not fixed rotatably using key connection between main shaft 33, transition gear 343 is fixed in transition gear axle 344 by bearing, is led
Moving gear 341 and transition gear 343 are fixed on rear body cradle 32 by gear fixed frame 342, articulated spindle 33 and preceding hinged
It is not fixed rotatably between frame 31 using the connection of pin shaft 346.The connecting portion of articulated spindle 33 and preceding body cradle 31 is disposed with bearing
And locked by locking nut, it is able to rotate after the assembly is completed between the two.
Dynamical system 7 includes hydraulic oil container 71, gear pump 72, motor 73, the oil outlet and gear pump 72 of hydraulic oil container 71
Oil inlet connection, motor 73 are connected by power with gear pump 72, and 72 oil outlet of gear pump is connected to 74 oil inlet of hydraulic steering gear, liquid
Pressure diverter 74 is controlled by steering wheel, 74 actuator port of hydraulic steering gear and the articulation steering for driving promotion ontology 2 to turn to
Hydraulic motor 75 is connected to, and motor 73 and controller 78 are electrically connected, and motor 73 and controller 78 and battery pack 61 are electrically connected.
Driving device 6 is connected by power with front-wheel 4 and/or rear-wheel 5, for driving entire body movement；
Wherein: when front-wheel 4 is driven wheel, rear-wheel 5 is driving wheel, and when front-wheel 4 is driving wheel, rear-wheel 5 is driven wheel
Or driving wheel.
Driving device 6 includes battery pack 61, and battery pack 61 is arranged in body shell 1, and electrically with drive control device 62
Connection, drive control device 62 and driving motor 63 are electrically connected, and front-wheel 4 and/or rear-wheel 5 are connected by power with driving motor 63.
Fig. 6 and Fig. 7 shows a kind of embodiment of driving method of the present invention, and single driving motor 63 passes through band mechanical differential gear box
64 drive shaft is connected by power with the front-wheel 4 for promoting 2 two sides of ontology, and front-wheel 4 is used as driving wheel, and rear-wheel 5 is used as driven wheel.
Fig. 8 and Fig. 9 shows a kind of embodiment of driving method of the present invention, two driving motors 63 respectively with promote ontology 2
The front-wheel 4 of two sides is connected by power, and front-wheel 4 is used as driving wheel, and rear-wheel 5 is used as driven wheel.
Figure 10 and Figure 11 shows a kind of embodiment of driving method of the present invention, two driving motors 63 respectively with body shell
The rear-wheel 5 of 1 two sides is connected by power, and rear-wheel 5 is used as driving wheel, and front-wheel 4 is used as driven wheel.
Figure 12 and Figure 13 shows a kind of embodiment of driving method of the present invention, and single driving motor 63 passes through band mechanical differential
The drive shaft of device 64 is connected by power with the front-wheel 4 for promoting 2 two sides of ontology, and front-wheel 4 is used as driving wheel, and two driving motors 63 are distinguished
It is connected by power with 1 two sides rear-wheel 5 of body shell, rear-wheel 5 is used as driving wheel, forms a11wheel drive state.
Figure 14 and Figure 15 shows a kind of embodiment of driving method of the present invention, four driving motors 63 respectively with promote ontology
The rear-wheel 5 of 1 two sides of front-wheel 4 and body shell of 2 two sides is connected by power, and front-wheel 4 and rear-wheel 5 are used as driving wheel, is formed full wheel and is driven
Dynamic state.
Fig. 3 to Fig. 5 shows fork truck and carries out typical case in accessing operation to the cargo at pallet in the tunnel between shelf:
Fork truck is travelled along tunnel, is promoted ontology 2 and is in in-line position, as shown in Figure 3；When fork truck is close to pallet, passes through rotation and promoted
Ontology 2 manipulates fork truck, makes body shell 1 close to the shelf of tunnel side, angled with pallet, then will promote ontology 2
Pallet is turned to, while fork truck is driven forwards by each driving motor, makes pallet fork close in pallet, as shown in Figure 4；Finally, pallet fork with
Tunnel is in close to right angle condition, as shown in Figure 5；Then fork truck can drive each wheel, while adjust the angle of the rotation of articulated mounting 3
Degree makes pallet fork and shelf mode at right angle enter pallet, after forking cargo, by aforesaid operations process conversely, then completing primary
The accessing operation of cargo.
When promoting ontology 2 and being diverted to body shell 1 in 90 °, the central point of front-wheel 4 and ground face contact to rear-wheel 5 and
The line X-X of the central point of ground face contact becomes fork truck lateral stability boundary line, and fork truck is either unloaded or full load condition, all
Guarantee stability under this state, the center of gravity of goods C point being loaded on pallet fork can generate a torque relative to X-X line, be
The load that balance forklift is carried, the center of gravity B point of fork truck must as far as possible backward so that B point to the distance Y between X-X most
Bigization.
When promoting the rotation of ontology 2,4 rolling speed of front-wheel of inside will reduce with the increase of steering angle, until
When 4 axis of front-wheel is overlapped with inside rear wheel 5 with ground face contact central point with 5 crossing point of axes A of rear-wheel, inside rear wheel 5 is at this time
Static, fork truck is rotated around the central point of inside rear wheel 5 and ground face contact；When steering angle is more than this again, inside rear wheel 5
Then roll backward.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (13)
1. a kind of four fulcrum narrow opening radial type fork trucks, it is characterised in that: including
A pair of of front-wheel (4) is symmetricly set on by the horizontal axis on swing axle (41) and promotes ontology (2) two sides, before forming two
Fulcrum is used to support and promotes ontology (2)；
A pair of rear wheels (5) is symmetricly set on body shell (1), forms two rear fulcrums；
Driving device (6) is connected by power, for driving entire body movement with front-wheel (4) and/or rear-wheel (5)；And
Transfer (3) comprising articulated spindle (33), transfer (3) connection promote ontology (2) and body shell
(1), the transfer (3) is equipped with dynamical system (7), and dynamical system (7) driving transfer (3), which drives, promotes this
Body (2) is rotated centered on articulated spindle (33)；
Wherein: when front-wheel (4) be driven wheel when, rear-wheel (5) be driving wheel, when front-wheel (4) be driving wheel when, rear-wheel (5) be from
Driving wheel or driving wheel；
When articulation steering movement occurring while body movement, articulated spindle (33) is rotated around front-wheel (4) center, vehicle body sheet
Body (1) can be displaced as hinge joint is displaced.
2. a kind of four fulcrum narrow opening according to claim 1 radial type fork truck, it is characterised in that: the transfer
(3) further include:
Preceding body cradle (31) promotes ontology (2) for connecting；And
Body cradle (32) afterwards, for connecting body shell (1)；
It is that axle center connects preceding body cradle (31) and rear body cradle (32) forms linkwork with the articulated spindle (33)；
Wherein, body cradle (31) body cradle (32) rotation after before dynamical system (7) driving articulated spindle (33) links, thus
Linkage is promoted ontology (2) and is rotated centered on articulated spindle (33) relative to car body (1).
3. a kind of four fulcrum narrow opening according to claim 2 radial type fork truck, it is characterised in that: the articulated spindle
(33) it is connect between preceding body cradle (31) using pin shaft (346) and is not fixed rotatably, the articulated spindle (33) and preceding body cradle
(31) connecting portion is disposed with bearing and is locked by locking nut, is able to rotate after the assembly is completed between the two.
4. a kind of four fulcrum narrow opening according to claim 1 radial type fork truck, it is characterised in that: the front-wheel (4) is
It is single or multiple.
5. a kind of four fulcrum narrow opening according to any one of claims 1-4 radial type fork truck, it is characterised in that: described
Dynamical system (7) includes articulation steering hydraulic motor (75) and driving gear set (34), the articulation steering hydraulic motor (75)
It links driving gear set (34), the driving gear set (34) links articulated spindle (33).
6. a kind of four fulcrum narrow opening according to claim 5 radial type fork truck, it is characterised in that: the driving gear set
It (34) include driving gear (341), the driving gear (341) and the articulation steering hydraulic motor (75) are sequentially connected,
It is engaged with the great circle of transition gear (343), the small gear ring of transition gear (343) is engaged with driven gear (345), driven gear
(345) it is connect with the articulated spindle (33), the transition gear (343) is fixed on transition gear axle (344) by bearing
On, the driving gear (341) and transition gear (343) are fixed on rear body cradle (32) by gear fixed frame (342), institute
It states and is not fixed rotatably between driven gear (345) and articulated spindle (33) using key connection.
7. four fulcrum narrow opening radial type fork truck of one kind described in -4,6 any one according to claim 1, it is characterised in that: institute
Stating dynamical system (7) includes hydraulic oil container (71), gear pump (72), motor (73), the oil outlet of the hydraulic oil container (71) with
The connection of gear pump (72) oil inlet, the motor (73) is connected by power with gear pump (72), gear pump (72) oil outlet and
The connection of hydraulic steering gear (74) oil inlet, hydraulic steering gear (74) actuator port are turned to for driving promotion ontology (2)
Articulation steering hydraulic motor (75) connection, motor (73) and controller (78) are electrically connected.
8. a kind of four fulcrum narrow opening according to claim 7 radial type fork truck, it is characterised in that: the driving device
It (6) include battery pack (61), battery pack (61) setting electrically connects in body shell (1), and with drive control device (62)
It connects, the drive control device (62) and driving motor (63) electric connection, the front-wheel (4) and/or rear-wheel (5) and driving motor
(63) it is connected by power.
9. a kind of four fulcrum narrow opening according to claim 7 radial type fork truck, it is characterised in that: the single driving
Motor (63) is connected by power by the drive shaft with mechanical differential gear box (64) with the front-wheel (4) for promoting ontology (2) two sides, front-wheel
(4) it is used as driving wheel, the rear-wheel (5) is used as driven wheel.
10. a kind of four fulcrum narrow opening according to claim 7 radial type fork truck, it is characterised in that: drive described in two
Dynamic motor (63) are connected by power with the front-wheel (4) for promoting ontology (2) two sides respectively, and front-wheel (4) is used as driving wheel, the rear-wheel
(5) it is used as driven wheel.
11. a kind of four fulcrum narrow opening according to claim 7 radial type fork truck, it is characterised in that: drive described in two
The dynamic rear-wheel (5) of motor (63) respectively with body shell (1) two sides is connected by power, and rear-wheel (5) is used as driving wheel, the front-wheel
(4) it is used as driven wheel.
12. a kind of four fulcrum narrow opening according to claim 7 radial type fork truck, it is characterised in that: the single drive
Dynamic motor (63) are connected by power by the drive shaft with mechanical differential gear box (64) with the front-wheel (4) for promoting ontology (2) two sides, front-wheel
(4) it is used as driving wheel, driving motor (63) described in two is connected by power with body shell (1) two sides rear-wheel (5) respectively, rear-wheel
(5) it is used as driving wheel, forms a11wheel drive state.
13. a kind of four fulcrum narrow opening according to claim 7 radial type fork truck, it is characterised in that: drive described in four
The rear-wheel (5) of dynamic motor (63) respectively with the front-wheel (4) and body shell (1) two sides that promote ontology (2) two sides is connected by power, preceding
It takes turns (4) and rear-wheel (5) is used as driving wheel, form a11wheel drive state.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910569.4A CN110526172A (en) | 2019-09-25 | 2019-09-25 | A kind of four fulcrum narrow opening radial type fork trucks |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910910569.4A CN110526172A (en) | 2019-09-25 | 2019-09-25 | A kind of four fulcrum narrow opening radial type fork trucks |
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| CN110526172A true CN110526172A (en) | 2019-12-03 |
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| CN201910910569.4A Pending CN110526172A (en) | 2019-09-25 | 2019-09-25 | A kind of four fulcrum narrow opening radial type fork trucks |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116040533A (en) * | 2023-03-30 | 2023-05-02 | 山东力达智能车辆产业技术研究院有限公司 | Lifting device for expanding car window body side |
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| FR2840045A1 (en) * | 2002-05-27 | 2003-11-28 | Manitou Bf | Hydrostatic transmission for articulated fork lift, comprises separate hydrostatic pumps to drive hydraulic motors in each back wheel and cams driven by steering which regulate back wheel speeds |
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| GB2510927A (en) * | 2013-06-14 | 2014-08-20 | Combilift | Steering mechanism for an articulated vehicle |
| CN203402897U (en) * | 2013-08-26 | 2014-01-22 | 山东威力天地机械股份有限公司 | Four-wheel drive forklift truck suitable for loading and unloading goods in container |
| CN205709728U (en) * | 2016-04-29 | 2016-11-23 | 马鞍山福永智能科技有限公司 | A kind of Zhai Xiang road fork truck rotary apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116040533A (en) * | 2023-03-30 | 2023-05-02 | 山东力达智能车辆产业技术研究院有限公司 | Lifting device for expanding car window body side |
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Application publication date: 20191203 |
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