CN105236308B - Can two way fork truck - Google Patents
Can two way fork truck Download PDFInfo
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- CN105236308B CN105236308B CN201510710705.7A CN201510710705A CN105236308B CN 105236308 B CN105236308 B CN 105236308B CN 201510710705 A CN201510710705 A CN 201510710705A CN 105236308 B CN105236308 B CN 105236308B
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Abstract
The present invention relates to it is a kind of can two way fork truck, including forklift steering room, traveling driver's cabin, engine assembly, driving system, transmission system, steering, brakes, portal frame system and hydraulic system；Driving system includes vehicle frame, front-wheel, trailing wheel, steeraxle and drive axle, the front end of vehicle frame is connected by suspension with steeraxle, the rear end of vehicle frame is rigidly connected with drive axle, traveling driver's cabin and forklift steering room are respectively provided at the rear and front end of vehicle frame, and engine assembly is fixed on the front end of vehicle frame and is connected successively with fluid torque-converter, speed changer, universal joint, power transmission shaft and drive axle；A set of drivable position gearshift, traveling gearshift lockable mechanism, steering control mechanism, brake operating mechanism and brake hard operating mechanism are respectively provided with traveling driver's cabin and forklift steering room, the operating mechanism and service braking mechanism of portal frame system are additionally provided with forklift steering room.The fork truck, fast running and can carrying work can be carried out on common road, operating efficiency is high.
Description
Technical field
The present invention relates to a kind of fork truck, and in particular to it is a kind of can two way fork truck.
Background technology
Fork truck is common carrying vehicle, be realize the mechanization of handling operation, raise labour productivity it is important
Logistics tool.When being carried or drawn haul operation between a wide range of, long range two places, fork truck needs to have quickly
Place transfer ability, the gait of march of general transport column can be kept up with, while fork truck will also have certain field to make
Industry ability, fork truck is set to meet above-mentioned requirements, it must have engineering machinery and the ability of the aspect walking of automobile two concurrently.
General automobile is by most basic driver's cabin, engine assembly, driving system, transmission system, steering and braking
System forms, wherein, driving system includes vehicle frame, front-wheel, trailing wheel, propons and back axle, and the row of transmission system is provided with driver's cabin
Sail gear gearshift and traveling gearshift lockable mechanism, the steering control mechanism of steering, the braking maneuver machine of brakes
Structure and brake hard operating mechanism, in general fork truck add portal frame system on this basis（For the construction behaviour such as lifting upset
Make）And hydraulic system（Power is provided for portal frame system）, and it is additionally arranged in driver's cabin operating mechanism and the work of portal frame system
Arrestment mechanism.
Haul operation, existing fork truck are carried or drawn between two places for needs are a wide range of, long range
It is primarily present following shortcoming：1）Tandem axle is directly rigidly connected with vehicle frame, without shock mitigation system, if carry out it is a wide range of, long away from
From place transfer, would necessarily affect the ride performance, security and the riding comfort of driver of car, while can also shadow
Ring to the consumable accessory on car；2）Cause driver behavior task heavy using clutch gear-shift in operation is forked；3）If directly enter
Row is a wide range of, the traveling operation of long range, and the visual field of driver can be influenceed by being arranged on the portal frame system in front of driving, and be not easy to avoid
Pedestrian or obstacle；4）The maximum travelling speed of the fork truck to work indoors is 30km/h or so, the All-terrain Forklift of field work, most
Big travel speed is about low in 40km/h or so, travel speed.
In summary, limited by above design feature, existing fork truck can not meet quickly to arrive at operation field simultaneously
According to safety regulation for operations, the speed as defined in fork operation the two requirements with normal operation.
The content of the invention
It is an object of the invention to provide it is a kind of can two way fork truck, the fork truck can on common road fast running
And can carries out carrying work, solves the problems, such as that the remote transfer tasks place of existing fork truck is handicapped, expands the suitable of fork truck
Should be able to power, improve the operating efficiency of fork truck.
The technical solution adopted in the present invention is：
It is a kind of can two way fork truck, including forklift steering room, engine assembly, driving system, transmission system, steering
System, brakes, portal frame system and hydraulic system；Driving system includes vehicle frame, front-wheel, trailing wheel, propons and back axle；Fork truck is driven
Sail the indoor drivable position gearshift for being provided with transmission system and traveling gearshift lockable mechanism, the handling maneuver machine of steering
Structure, the brake operating mechanism of brakes and brake hard operating mechanism, the manipulation of portal frame system is additionally provided with forklift steering room
Mechanism and service braking mechanism；It is characterized in that：Forklift steering room is located at the rear end of vehicle frame, and the front end of vehicle frame is provided with traveling and driven
Room, propons are steeraxle, and back axle is drive axle, and the front end of vehicle frame is connected by suspension with steeraxle, the rear end of vehicle frame and driving
Bridge is rigidly connected, and engine assembly is fixed on the front end of vehicle frame and the successively fluid torque-converter with transmission system, speed changer and ten thousand
Connected to section, universal joint is connected by power transmission shaft with drive axle；Travel in driver's cabin provided with a set of independent drivable position gearshift
Mechanism, traveling gearshift lockable mechanism, steering control mechanism, brake operating mechanism and brake hard operating mechanism.
Further, steering include two sets steering control mechanisms, two sets steering switching mechanisms, assisted power steering system,
Steering gear and steering gear, two sets of steering control mechanisms turn to switching mechanism by two sets respectively and are connected with steering gear, and two
Set, which turns to switching mechanism, can control two sets of break-makes between steering control mechanism and steering gear respectively, and steering gear is driven with turning to
Mechanism connects and drives wheel steering by steering gear, and assisted power steering system is used to mitigate driver operation handling maneuver machine
Use force intensity during structure, the operating side of two sets of steering switching mechanisms positioned at forklift steering room and are travelled in driver's cabin respectively.
Further, two sets turn to switching mechanisms include combined cover action bars, combined cover, splined hub, with reference to gear ring, the
One gear and second gear, wherein, combined cover is enclosed in splined hub, is fixed on reference to gear ring in first gear；Two sets of steerings are cut
Respectively in forklift steering room and traveling driver's cabin, two sets turn to switching mechanisms for the operating side of the combined cover action bars of converting mechanism
Splined hub be separately fixed on the output shaft of two sets of steering control mechanisms, the first gears of two sets of steering switching mechanisms are empty respectively
It is enclosed on the output shaft of two sets of steering control mechanisms, combined cover action bars is connected with combined cover and can drive combined cover along spline
Hub, which moves axially, to be engaged or separates with combining gear ring, and the second gear of two sets of steering switching mechanisms is each attached to the input of steering gear
On axle, wherein a set of first gear for turning to switching mechanism and second gear directly engage, it is another set of to turn to the of switching mechanism
One gear and second gear are engaged by the 3rd gear.
Further, self-locking mechanism, the self-locking mechanism are equipped with the combined cover action bars of two sets of steering switching mechanisms
Including clamping block, holddown spring and steel ball, combined cover action bars is provided with the groove at two side by side, and clamping block is enclosed on combined cover behaviour
Make on bar, holddown spring and steel ball are located inside clamping block, and holddown spring compresses steel ball all the time, and steel ball operates with combined cover all the time
Bar contacts, and when steel ball is stuck in different grooves, turns to switching mechanism and is in different lock-out states.
Further, speed changer is provided with the traveling shelves for being used for running at high speed and the operation shelves for low speed operation, travels shelves
Including four forward gears and a reverse drive gear, operation shelves include two forward gears and a reverse drive gear.
Further, vehicle frame includes being fixed into two longerons and some crossbeams of an entirety, vehicle frame front end be provided with
The hanger of suspension connection, vehicle frame rear end is provided with the cylinder groove being connected with drive axle and round bearing lid, engine assembly are fixed on
On the crossbeam of vehicle frame front end.
Further, suspension is longitudinal Leaf Spring Suspension.
Further, engine assembly is diesel engine assembly.
Further, front-wheel is pneumatic tire, and trailing wheel is solid tyre.
The beneficial effects of the invention are as follows：
1. respectively setting a driver's cabin before and after the fork truck, each driver's cabin has a set of independent steerable system, it is possible to achieve
Two way, running at high speed will not be stopped with manipulation visual field during low speed operation, driving safety；When running at high speed it is preposition after
Rearmounted forerunner when drive, low speed operation, clutch is replaced with fluid torque-converter（Usually engine assembly successively with clutch, become
Fast device, universal joint, power transmission shaft connect with drive axle）, by the locking and unlocking to fluid torque-converter, formed purely mechanic transmission and
Two kinds of power transmission modes of hydraulic mechanical meet to run at high speed respectively to be become with the dynamic property requirement needed for low speed operation, fluid power
Square device can according to running resistance or operation resistance, within the specific limits automatically, without polar region speed change and bending moment, have good
Automatic adaptability, while the liquid in hydraulic power has cushioning effect, substantially reduces caused dynamic loading in transmission system,
Improve the comfortableness and the service life of ride comfort and mechanical part of fork truck；Steeraxle is connected by suspension with vehicle frame, is ensured
Ride comfort during traveling, drive axle are rigidly connected with vehicle frame, ensure that bearing capacity when forking operation.
2. the steering of common forklift includes steering control mechanism, assisted power steering system（Frequently with hydraulic power assisted）、
Steering gear（Frequently with pinion and-rack）And steering gear（Frequently with Integral steering trapezoidal mechanism）, the fork truck with the addition of a set of
Independent steering control mechanism and two sets of steering switching mechanisms, turn to switching mechanism by two sets and control two sets of steering control mechanisms
Break-make between steering gear, according to the current working condition of fork truck, corresponding steering control mechanism and steering gear UNICOM are selected,
And fork-truck steering is controlled by the operating mechanism, another set of operating mechanism then disconnects with steering gear and can not control fork-truck steering,
Realize the switching of steering control mechanism, it is therefore prevented that two sets of steering control mechanisms interfere with each other；The behaviour of two sets of steering switching mechanisms
Make end respectively positioned at forklift steering room with traveling driver's cabin, be conveniently steered handover operation.
3. by combined cover with combining gear ring and the between the output shaft of steering control mechanism and the input shaft of steering gear
One gear and second gear two groups of teeth wheel are connected（The 3rd tooth is additionally provided between wherein a set of first gear and second gear
Wheel, set the 3rd gear be ensure fork truck two way when or so turn coordination）, wherein, first gear empty set is turning to behaviour
On the output shaft of vertical mechanism, it is impossible to directly transmit the output torque of steering control mechanism, combined cover is enclosed in splined hub, Ke Yichuan
The output torque for passing steering control mechanism can also be close or remote along splined hub axial movement under the drive of combined cover action bars
From with reference to gear ring, when combined cover with reference to gear ring with needing to engage, combined cover, which first passes through frictional force, to be made to combine the gear ring speed of rotation
It is synchronous, then it is engaged, now, first gear can rotate in the case where combining the drive of gear ring transmits the defeated of steering control mechanism
Go out torque, steering control mechanism and steering gear UNICOM, steering control mechanism can carry out steering operation；Two sets of steering switching mechanisms
Realize two sets of steering control mechanisms and share a set of steering executing agency, ensure that the security performance of fork-truck steering.
4. steel ball card in a groove when can by combined cover action bars fix it is realized steering from moving freely and is cut
The locking of converting mechanism, two kinds of lock-out states for turning to switching mechanism correspond to UNICOM and the disconnection of steering control mechanism, ensure that row
The safety sailed.
5. the traveling shelves and operation shelves in speed changer work in when running at high speed and during low speed operations respectively, hence it is evident that improve fork
The travel speed of car ensures transaction capabilities simultaneously so that fork truck can carry out a wide range of, long range place transfer.
6. body frame structure for automotive is simple, the deadweight of car body is alleviated.
The occasion that 7. Leaf Spring Suspension is simple in construction, damping performance is good, to be applicable load-carrying larger.
8. diesel engine moment of torsion is big, economic performance is good, fast running and can porter can be carried out on common road
Make.
9. front vehicle wheel uses pneumatic tire, ride performance is improved, rear tyre uses solid tyre, increases the carrying of wheel
Ability.
Brief description of the drawings
Fig. 1 is the front view of the embodiment of the present invention.
Fig. 2 is the top view of the embodiment of the present invention.
Fig. 3 is the layout drawing on chassis in the embodiment of the present invention.
Fig. 4 is the schematic diagram that switching mechanism is turned in the embodiment of the present invention.
Fig. 5 is the schematic diagram of combined cover action bars and self-locking mechanism in the embodiment of the present invention.
1- front-wheels；2- trailing wheels；3- portal frame systems；4- hydraulic systems；5- forklift steering rooms；6- travels driver's cabin；7- is driven
Bridge；8- vehicle frames；9- drive axles；10- power transmission shafts；11- steering control mechanisms（Steering wheel）；12- universal joints；13- speed changers；14-
Fluid torque-converter；15- engine assemblys；16- self-locking mechanisms；17- combined cover action bars；The output shaft of 18- steering control mechanisms；
19- combined covers；20- splined hubs；21- combination gear rings；22- first gears；The input shaft of 23- steering gears；24- second gears；25-
3rd gear；26- clamping blocks；27- holddown springs；28- steel balls.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in figure 1, it is a kind of can two way fork truck, including forklift steering room 5, traveling driver's cabin 6, engine assembly
15th, driving system, transmission system, steering, brakes, portal frame system 3 and hydraulic system 4；As shown in figure 3, running gear
System includes vehicle frame 8, front-wheel 1, trailing wheel 2, propons and back axle, and propons is steeraxle 7, and back axle is drive axle 9, and the front end of vehicle frame 8 leads to
Cross suspension to be connected with steeraxle 7, rear end and the drive axle 9 of vehicle frame 8 are rigidly connected, and travel driver's cabin 6 and forklift steering room 5 is distinguished
The rear and front end of vehicle frame 8 is located at, engine assembly 15 is fixed on the front end of vehicle frame 8 and the successively fluid torque-converter with transmission system
14th, speed changer 13 and universal joint 12 are connected, and universal joint 12 is connected by power transmission shaft 10 with drive axle 9；It is provided with forklift steering room 5
The drivable position gearshift and traveling gearshift lockable mechanism, steering control mechanism 11, the braking system of steering of transmission system
The brake operating mechanism and brake hard operating mechanism of system, the operating mechanism and work of portal frame system 3 are additionally provided with forklift steering room 5
Make arrestment mechanism, a set of independent drivable position gearshift, traveling gearshift lockable mechanism are provided with traveling driver's cabin 6, is turned to
Operating mechanism 11, brake operating mechanism and brake hard operating mechanism.
In the present invention, brakes, portal frame system 3 and hydraulic system 4 are conventional system, using common fork truck
Configuration, drivable position gearshift, traveling gearshift lockable mechanism, steering control mechanism 11, brake operating mechanism, urgent system
Dynamic operating mechanism also has the operating mechanism of portal frame system 3 and service braking mechanism is conventional mechanism, using common fork truck
Configuration, transmission system are that the clutch of routine is replaced with into fluid torque-converter 14（Remaining is constant）, change is little, herein
Brakes, portal frame system 3, hydraulic system 4 and transmission system and its respective operating mechanism need not be repeated one by one.Due to double
Exist to traveling and turn to the problem of coordinating, the improvement that the present invention makees to fork truck is concentrated mainly in driving system and steering.
A driver's cabin is respectively set before and after the fork truck, each driver's cabin has a set of independent steerable system, it is possible to achieve double
To traveling, running at high speed will not be stopped with manipulation visual field during low speed operation, driving safety；Front-engine rear-drive when running at high speed,
Rearmounted forerunner during low speed operation, clutch is replaced with fluid torque-converter 14（Usually engine assembly 15 successively with clutch, become
Fast device 13, universal joint 12, power transmission shaft 10 and drive axle 9 connect）, by the locking and unlocking to fluid torque-converter 14, formed pure
Two kinds of power transmission modes of machine driving and hydraulic mechanical meet the dynamic property run at high speed needed for low speed operation respectively
It is required that fluid torque-converter 14 can according to running resistance or operation resistance, within the specific limits automatically, without polar region speed change and change
Square, there is good automatic adaptability, while the liquid in hydraulic power has cushioning effect, substantially reduces in transmission system
Caused dynamic loading, improve the comfortableness and the service life of ride comfort and mechanical part of fork truck；Steeraxle 7 by suspension with
Vehicle frame 8 connects, and ensures ride comfort during traveling, and drive axle 9 is rigidly connected with vehicle frame 8, ensure that carrying energy when forking operation
Power.
In the present embodiment, steering of the invention include two sets steering control mechanisms, 11, two sets of steering switching mechanisms,
Assisted power steering system, steering gear and steering gear, two sets of steering control mechanisms 11 pass through two sets of steering switching mechanisms respectively
It is connected with steering gear, two sets turn to switching mechanism and can control leading between two sets of steering control mechanisms 11 and steering gear respectively
Disconnected, steering gear is connected with steering gear and drives wheel steering by steering gear, and assisted power steering system is used to subtract
Use force intensity during light driver operation steering control mechanism 11, the operating side of two sets of steering switching mechanisms drive positioned at fork truck respectively
In room 5 and traveling driver's cabin 6.The steering of common forklift includes steering control mechanism 11, assisted power steering system（Frequently with liquid
Press booster type）, steering gear（Frequently with pinion and-rack）And steering gear（Frequently with Integral steering trapezoidal mechanism）, the fork truck
A set of independent steering control mechanism 11 and two sets of steering switching mechanisms are with the addition of, turning to switching mechanism by two sets controls two sets
Break-make between steering control mechanism 11 and steering gear, according to the current working condition of fork truck, select corresponding handling maneuver machine
Structure 11 and steering gear UNICOM, and fork-truck steering is controlled by the operating mechanism, another set of operating mechanism then disconnected with steering gear and
Fork-truck steering can not be controlled, realizes the switching of steering control mechanism 11, it is therefore prevented that two sets of steering control mechanisms 11 interfere with each other；
The operating side of two sets of steering switching mechanisms in forklift steering room 5 and traveling driver's cabin 6, is conveniently steered handover operation respectively.
As shown in figure 4, in the present embodiment, two sets turn to switching mechanisms include combined cover action bars 17, combined cover 19,
Splined hub 20, with reference to gear ring 21, first gear 22 and second gear 24, wherein, combined cover 19 is enclosed in splined hub 20, conjunction gear
Circle 21 is fixed in first gear 22；Driven respectively positioned at fork truck the operating side of the combined cover action bars 17 of two sets of steering switching mechanisms
Sail in room 5 and traveling driver's cabin 6, two sets splined hubs 20 for turning to switching mechanisms are separately fixed at the defeated of two sets of steering control mechanisms
On shaft 18, the first gear 22 of two sets of steering switching mechanisms distinguishes empty set on the output shaft 18 of two sets of steering control mechanisms,
Combined cover action bars 17 is connected with combined cover 19 and combined cover 19 can be driven to be moved axially along splined hub 20 with combining gear ring 21
Engagement or separation, the second gear 24 of two sets of steering switching mechanisms is each attached on the input shaft 23 of steering gear, wherein a set of turn
Directly engaged to the first gear 22 and second gear 24 of switching mechanism, the another set of first gear 22 for turning to switching mechanism and the
Two gears 24 are engaged by the 3rd gear 25.
By combined cover 19 with combining gear ring 21 between the output shaft 18 of steering control mechanism and the input shaft 23 of steering gear
And first gear 22 and the two groups of teeth wheel of second gear 24 are connected（Between wherein a set of first gear 22 and second gear 24
It is additionally provided with the 3rd gear 25, it is the coordination turned when ensureing fork truck two way or so to set the 3rd gear 25）, wherein, first
The empty set of gear 22 is on the output shaft 18 of steering control mechanism, it is impossible to directly transmits the output torque of steering control mechanism 11, knot
Trap 19 is enclosed in splined hub 20, and the output torque that can transmit steering control mechanism 11 can also be in combined cover action bars 17
Moved axially under drive along splined hub 20 close to or away from gear ring 21 is combined, when combined cover 19 needs to engage with reference to gear ring 21
When, combined cover 19, which first passes through frictional force, to be made to combine the synchronization of the speed of rotation of gear ring 21, is then engaged, now, first gear 22
The output torque for transmitting steering control mechanism 11 can be rotated in the case where combining the drive of gear ring 21, steering control mechanism 11 is with turning to
Device UNICOM, steering control mechanism 11 can carry out steering operation；Combined cover action bars 17, combined cover 19, splined hub 20, conjunction gear
The structure and connected mode of circle 21 and first gear 22 are technology common in automobile synchronizer, be will not be described here；Two sets
Steering switching mechanism realizes two sets of steering control mechanisms 11 and shares a set of steering executing agency, ensure that the safety of fork-truck steering
Performance.
As shown in figure 4, self-locking mechanism 16 is equipped with the combined cover action bars 17 of two sets of steering switching mechanisms, such as Fig. 5 institutes
Show, the self-locking mechanism 16 includes clamping block 26, holddown spring 27 and steel ball 28, and combined cover action bars 17 is provided with two side by side
Groove, clamping block 26 is enclosed on combined cover action bars 17, and holddown spring 27 and steel ball 28 are located inside clamping block 26, compresses bullet
Spring 27 compresses steel ball 28 all the time, and steel ball 28 contacts with combined cover action bars 17 all the time, when steel ball 28 is stuck in different grooves,
Turn to switching mechanism and be in different lock-out states.Steel ball 28, which can fix combined cover action bars 17 when blocking in a groove, makes it
It can not move freely, realize the locking for turning to switching mechanism, two kinds of lock-out states for turning to switching mechanism correspond to handling maneuver
The UNICOM of mechanism 11 and disconnection, it ensure that the safety of traveling.
In the present embodiment, speed changer 13 is provided with the traveling shelves for being used for running at high speed and the operation shelves for low speed operation,
Traveling shelves include four forward gears and a reverse drive gear, and operation shelves include two forward gears and a reverse drive gear.In speed changer 13
Traveling shelves and operation shelves work in respectively when running at high speed and during low speed operation, hence it is evident that improve the travel speed of fork truck while protect
Demonstrate,prove transaction capabilities so that fork truck can carry out a wide range of, long range place transfer.
As shown in figure 3, in the present embodiment, vehicle frame 8 includes two longerons and some crossbeams for being fixed into an entirety,
The front end of vehicle frame 8 is provided with the hanger being connected with suspension, and the rear end of vehicle frame 8 is provided with the cylinder groove and round bearing lid being connected with drive axle 9,
Engine assembly 15 is fixed on the crossbeam of the front end of vehicle frame 8.Vehicle frame 8 is simple in construction, alleviates the deadweight of car body.
In the present embodiment, suspension is longitudinal Leaf Spring Suspension.Leaf Spring Suspension is simple in construction, damping performance is good,
It is applicable the larger occasion of load-carrying.
In the present embodiment, engine assembly 15 is diesel engine assembly 15.Diesel engine moment of torsion is big, economic performance
It is good, fast running and can it can carry out carrying work on common road.
In the present embodiment, front-wheel 1 is pneumatic tire, and trailing wheel 2 is solid tyre.Front-wheel 1 uses pneumatic tire, improves row
Ride comfort is sailed, the tire of trailing wheel 2 uses solid tyre, increases bearing capacity.
Operating procedure during the fork truck fast running is：Driver enters traveling driver's cabin 6, and fluid torque-converter 14 is closed
Lock, is now purely mechanic transmission and front-engine rear-drive, stirs the combined cover action bars 17 in traveling driver's cabin 6（Combined cover is operated
Bar 17 is promoted backward, and steel ball 28 is extruded groove A and slips into groove B by combined cover action bars 17）, make to turn in traveling driver's cabin 6
Longitudinal controller 11 plays steering-effecting with steering gear UNICOM（Combined cover 19 and combination gear ring 21 engage）, pilot control direction
The operating mechanisms such as disk, brake pedal, accelerator pedal make fork truck be quickly transferred to destination.
The operating procedure when fork truck carries out carrying work is：Stir the combined cover action bars 17 in traveling driver's cabin 6（Will
Combined cover action bars 17 is promoted forward, and steel ball 28 is extruded groove B and slips into groove A by combined cover action bars 17）, drive traveling
Steering control mechanism 11 in room 6 disconnects with steering gear（Combined cover 19 and the combination engagement separation of gear ring 21）, while fluid power is become
Square device 14 is unlocked, and subsequently into forklift steering room 5, stirs the combined cover action bars 17 in forklift steering room 5（Combined cover is operated
Bar 17 is promoted backward, and steel ball 28 is extruded groove A and slips into groove B by combined cover action bars 17）, make to turn in forklift steering room 5
Longitudinal controller 11 plays steering-effecting with steering gear UNICOM（Combined cover 19 and combination gear ring 21 engage）, it is now hydraulic machine
Transmission and rearmounted forerunner, then pass through the operating mechanism of conventional vehicle（Drivable position gearshift, traveling gearshift lockable mechanism,
Steering control mechanism 11, brake operating mechanism and brake hard operating mechanism）The movement, steering and braking of fork truck are realized, is passed through
Portal frame system 3 operating mechanism control hydraulic tilt cylinder and door frame inside lifting hydraulic cylinder realize lifting of the pallet fork to goods and
It is forward and backward to incline, carry out transport operation.
It should be appreciated that for those of ordinary skills, can according to the above description be improved or converted,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (7)
1. it is a kind of can two way fork truck, including forklift steering room, engine assembly, driving system, transmission system, steering system
System, brakes, portal frame system and hydraulic system；Driving system includes vehicle frame, front-wheel, trailing wheel, propons and back axle；Fork truck drives
Interior be provided with transmission system drivable position gearshift and traveling gearshift lockable mechanism, steering steering control mechanism,
The brake operating mechanism and brake hard operating mechanism of brakes, the operating mechanism of portal frame system is additionally provided with forklift steering room
With service braking mechanism；It is characterized in that：Forklift steering room is located at the rear end of vehicle frame, and the front end of vehicle frame is provided with traveling driver's cabin,
Propons is steeraxle, and back axle is drive axle, and the front end of vehicle frame is connected by suspension with steeraxle, and the rear end of vehicle frame and drive axle are firm
Property connection, engine assembly is fixed on the front end of vehicle frame and the successively fluid torque-converter, speed changer and universal joint with transmission system
Connection, universal joint are connected by power transmission shaft with drive axle；Travel driver's cabin in be provided with a set of independent drivable position gearshift,
Traveling gearshift lockable mechanism, steering control mechanism, brake operating mechanism and brake hard operating mechanism；
Steering includes two sets of steering control mechanisms, two sets of steering switching mechanisms, assisted power steering system, steering gear and turns to biography
Motivation structure, two sets of steering control mechanisms turn to switching mechanism by two sets respectively and are connected with steering gear, two sets of steering switching mechanisms
Two sets of break-makes between steering control mechanism and steering gear can be controlled respectively, and steering gear is connected and passed through with steering gear
Steering gear drives wheel steering, is exerted oneself by force when assisted power steering system is used to mitigate driver operation steering control mechanism
Degree, the operating side of two sets of steering switching mechanisms positioned at forklift steering room and are travelled in driver's cabin respectively；
Two sets turn to switching mechanisms include combined cover action bars, combined cover, splined hub, with reference to gear ring, first gear and second
Gear, wherein, combined cover is enclosed in splined hub, is fixed on reference to gear ring in first gear；The combination of two sets of steering switching mechanisms
The operating side for covering action bars is located in forklift steering room and traveling driver's cabin respectively, the splined hub difference of two sets of steering switching mechanisms
It is fixed on the output shaft of two sets of steering control mechanisms, the first gear difference empty set of two sets of steering switching mechanisms is in two sets of steerings
On the output shaft of operating mechanism, combined cover action bars be connected with combined cover and can drive combined cover along splined hub axial movement with
Engage or separate with reference to gear ring, the second gear of two sets of steering switching mechanisms is each attached on the input shaft of steering gear, wherein one
Set turns to the first gear of switching mechanism and second gear directly engages, the another set of first gear and second for turning to switching mechanism
Gear is engaged by the 3rd gear.
2. as claimed in claim 1 can two way fork truck, it is characterised in that：The combined cover behaviour of two sets of steering switching mechanisms
Make to be equipped with self-locking mechanism on bar, the self-locking mechanism includes clamping block, holddown spring and steel ball, and combined cover action bars is provided with
Groove at two side by side, clamping block are enclosed on combined cover action bars, and holddown spring and steel ball are located inside clamping block, holddown spring
All the time steel ball is compressed, steel ball contacts with combined cover action bars all the time, when steel ball is stuck in different grooves, turns to switching mechanism
In different lock-out states.
3. as claimed in claim 1 can two way fork truck, it is characterised in that：Speed changer is provided with the row for being used for running at high speed
Shelves and the operation shelves for low speed operation are sailed, traveling shelves include four forward gears and a reverse drive gear, before operation shelves include two
Enter gear and a reverse drive gear.
4. as claimed in claim 1 can two way fork truck, it is characterised in that：Vehicle frame includes being fixed into the two of an entirety
Root longeron and some crossbeams, vehicle frame front end are provided with the hanger being connected with suspension, and vehicle frame rear end is provided with the circle being connected with drive axle
Post groove and round bearing lid, engine assembly are fixed on the crossbeam of vehicle frame front end.
5. as claimed in claim 1 can two way fork truck, it is characterised in that：Suspension is longitudinal Leaf Spring Suspension.
6. as claimed in claim 1 can two way fork truck, it is characterised in that：Engine assembly is that diesel engine is total
Into.
7. as claimed in claim 1 can two way fork truck, it is characterised in that：Front-wheel is pneumatic tire, and trailing wheel is solid
Tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510710705.7A CN105236308B (en) | 2015-10-28 | 2015-10-28 | Can two way fork truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510710705.7A CN105236308B (en) | 2015-10-28 | 2015-10-28 | Can two way fork truck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105236308A CN105236308A (en) | 2016-01-13 |
| CN105236308B true CN105236308B (en) | 2018-01-12 |
Family
ID=55034203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510710705.7A Active CN105236308B (en) | 2015-10-28 | 2015-10-28 | Can two way fork truck |
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| KR101677413B1 (en) * | 2016-06-02 | 2016-11-17 | 박종용 | Multi-Purpose Forklift Truck having Steering Device for Working |
| CN106183640A (en) * | 2016-08-14 | 2016-12-07 | 何丽凌 | A kind of different structure tire wheel motorcycle |
| CN106240708A (en) * | 2016-08-14 | 2016-12-21 | 何丽凌 | A kind of different structure tire wheel rear cabinet three-wheeled electric vehicle |
| CN106218786A (en) * | 2016-08-14 | 2016-12-14 | 何丽凌 | A kind of different structure tire wheel electric motor car with two wheels |
| CN106275131A (en) * | 2016-08-14 | 2017-01-04 | 何丽凌 | Motor vehicles in a kind of different structure tire wheel field |
| CN106166923A (en) * | 2016-08-14 | 2016-11-30 | 何丽凌 | A kind of different structure tire wheel tour bus |
| CN106183639A (en) * | 2016-08-14 | 2016-12-07 | 何丽凌 | A kind of different structure tire wheel bicycle |
| CN108455497B (en) * | 2018-01-31 | 2019-05-10 | 重庆博友实业有限公司 | A kind of cargo instrument |
| CN109437057A (en) * | 2018-10-25 | 2019-03-08 | 安徽维麦重工股份有限公司 | A kind of forklift truck of tray alternation of achievable handling and transportation function |
| CN112010237B (en) * | 2020-08-26 | 2022-03-01 | 青岛中汽特种汽车有限公司 | Novel loading and unloading equipment |
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| KR100914960B1 (en) * | 2008-11-26 | 2009-09-02 | 에스엠 중공업(주) | Special vehicle with synchronized function both forklift truck and vehicle |
| CN202243630U (en) * | 2011-08-18 | 2012-05-30 | 三江瓦力特特种车辆有限公司 | Bidirectional driving special vehicle chassis |
| KR101403307B1 (en) * | 2012-08-22 | 2014-07-04 | 에이치앤케이멕테크 주식회사 | High-mobility, multi-purpose utility vehicle |
| CN202912632U (en) * | 2012-11-12 | 2013-05-01 | 林成吉 | Multifunctional automobile |
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