CN1785790A - Highway high speed hauling fork car - Google Patents

Highway high speed hauling fork car Download PDF

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Publication number
CN1785790A
CN1785790A CN 200510124592 CN200510124592A CN1785790A CN 1785790 A CN1785790 A CN 1785790A CN 200510124592 CN200510124592 CN 200510124592 CN 200510124592 A CN200510124592 A CN 200510124592A CN 1785790 A CN1785790 A CN 1785790A
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CN
China
Prior art keywords
wheel
vehicle frame
leaf spring
links
swing arm
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
CN 200510124592
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Chinese (zh)
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CN100339294C (en
Inventor
赵永平
王勇
赵长茂
王意
王幼平
王波
黄卫平
辛涛
高勇
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Architectural Engineering Institute of General Logistics Department of PLA
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Architectural Engineering Institute of General Logistics Department of PLA
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Priority to CNB2005101245929A priority Critical patent/CN100339294C/en
Publication of CN1785790A publication Critical patent/CN1785790A/en
Application granted granted Critical
Publication of CN100339294C publication Critical patent/CN100339294C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Forklifts And Lifting Vehicles (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

The present invention discloses a road high-speed trailing fork truck. It includes the following several portions: fork truck frame, cross-placed plate spring, barrel-type vibration damper, transverse stabilizing bar, auxiliary spring, longitudinal stabilizing bar of parallelogram, spacing slide fastener and real axle. Besides, said invention also provides the components of drawbar, locking oil cylinder and backpressure pump. Said invention also provides the connection mode of all the above-mentioned portions.

Description

Highway high speed hauling fork car
Technical field
The invention belongs to extraordinary material handling equipment, particularly a kind of highway high speed hauling fork car.
Background technology
When carrying out transport operation respectively for the two places of growing distance on a large scale of special purpose, fork truck will have quick transition ability, want to catch up with the gait of march of the 80km/h of general purpose hauling fleet, simultaneously, fork truck also will have very strong field work ability, make fork truck finish above-mentioned requirements, fork truck will have the ability that satisfies highway high speed hauling, that is to say, fork truck should have common field work ability, also will have the independent trailer function, meets and cuts to when requiring, fork truck can hang over the transport trolley back as independent trailer, by transport trolley another operation place of cutting to fast.
The constructional feature of existing fork truck, mainly show: bridge is directly to link to each other with vehicle frame, does not have vibration insulating system; Particularly field work fork truck and the full landform field operations fork truck that is used for military purposes, it generally all is four wheel drive, two-wheeled or four-wheel steering, the field work ability is strong, but long on a large scale distance is the transition ability fast, usually need the flat carrier long-distance transportation, perhaps go ahead of the rest voluntarily, perhaps arrive in the operation place subsequently.Existing fork truck does not possess the independent trailer function, the normal fork truck that uses, owing to there is not vibration insulating system, maximum from travelling about speed 30km/h, the All-terrain Forklift that is used for military use, maximum from travelling about speed 40km/h, can not catch up with the gait of march of transport column, therefore, also just can not finish the requirement of the two places fast reserve transition of long distance on a large scale.
Summary of the invention
The object of the present invention is to provide a kind of highway high speed hauling fork car, can adapt to long on a large scale apart from fast reserve transition job requirements, can hang over the transport trolley back again,, improve the operating efficiency under particular job environment by transport trolley another operation place of cutting to fast.
Technical scheme of the present invention is achieved in that and the present invention includes a vehicle frame, front and rear wheel is set on the vehicle frame, the vehicle frame front end connects door frame, connecting device is set on the door frame, connecting device links to each other with little door frame, also be provided with dump ram on the vehicle frame, dump ram links to each other with door frame again, and vehicle frame links to each other with back axle by horizontal leaf spring, cylinder type damper, Panhard rod, assist spring, the longitudinal stability bar of parallelogram, spacing slide fastener; Horizontal leaf spring is arranged in the middle of the back axle, the both sides of horizontal leaf spring are provided with cylinder type damper, the rear portion of horizontal leaf spring is provided with Panhard rod, the two ends of horizontal leaf spring are provided with assist spring, the front portion of horizontal leaf spring is provided with the longitudinal stability bar of parallelogram, rear side is provided with spacing slide fastener in the middle of the back axle, and back axle links to each other with trailing wheel by the trailing wheel wheel-side motor, and draw bar is housed on the back axle; The front end fixed bias circuit of vehicle frame, turning cylinder and preceding swing arm are rotationally connected, preceding swing arm rotates on turning cylinder, preceding swing arm links to each other with an end of vertical half leaf spring, the other end of vertical half leaf spring links to each other with vehicle frame, preceding swing arm links to each other with front-wheel by the front-wheel wheel-side motor, the locking oil cylinder of swing arm and the back pressure pump that is used for switching front and back wheel rotation master slave relation before vehicle frame is provided with and is used for pinning.
Have drum brake mechanism in two front-wheel wheel-side motors and the two trailing wheel wheel-side motors.
Back axle of the present invention is equipped with the draw bar that trailer is used, during forklift workability, draw bar is in plumbness, during the fork truck highway high speed hauling, put down draw bar, hang on the hook of transport trolley rear portion, connect electrical cable, the braking connection lead of transport trolley and fork truck, back axle top vehicle frame is equipped with braking main valve, the braking air receiver that trailer is used, operator's compartment brake pedal bottom vehicle frame is equipped with brake cylinder, the braking gas of transport trolley promotes operator's compartment inside brake pedal by braking main valve and brake cylinder, and brake pedal links to each other with car side brake by master brake cylinder.
Adopt structure of the present invention, realize big corner rear-axle steering, the forklift workability forward travel, transport trolley is oppositely pulled high speed hauling, during forklift workability, bearing circle control corner, hard-over can reach 75 °, when transport trolley was pulled, bearing circle control corner lost efficacy, draw bar control corner.Like this, can realize minimum turn radius during forklift workability, during highway high speed hauling, draw bar can freely be realized fork truck trailer state shift in the fork truck angle range.Owing to considered the interconversion relation between the rigid suspended and highway high speed hauling resilient suspension of fork truck, adopted structural relation highway high speed hauling speed of the present invention can reach 80km/h.
Description of drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a door frame part schematic perspective view of the present invention.
Fig. 3 is an operator's compartment schematic perspective view of the present invention.
Fig. 4 is a back axle suspended structure schematic perspective view of the present invention.
Fig. 5 is braking principle figure of the present invention;
Below in conjunction with accompanying drawing the present invention is further described in detail.
The specific embodiment
Shown in Fig. 1,2,3, the present invention includes a vehicle frame 7, front and rear wheel 21,31 is set on the vehicle frame 7, vehicle frame 7 front ends connect door frame 1, connecting device 15 is set on the door frame 1, connecting device 15 links to each other with wicket frame 14, and back pressure pump 6 is contained on the vehicle frame 7, and the rotation of preceding swing arm 2 can realize the normal operation of back pressure pump 6.Turning cylinder 4 is set on the vehicle frame 7, vertical half leaf spring 3 links to each other with preceding swing arm 2, front-wheel 21 is contained on the swing arm 2, swing arm 2 can rotate around vehicle frame 7 by turning cylinder 4, and vertical half leaf spring 3 is worked, and locking oil cylinder 5 is arranged in the rail groove 16 of vehicle frame 7, can move forward and backward, move forward the hydraulic oil of power after from engine starting, mobile backward power is from pull back spring, swing arm 2 rotation of moving axis 4 that rotates before locking oil cylinder 5 moves forward and can pin; Two front-wheel wheel-side motors 20 are contained in the front-wheel 21, and trailing wheel 31 is contained on the back axle 34, and two trailing wheel wheel-side motors 23 are contained in the trailing wheel 31, have drum brake mechanism in two front-wheel wheel-side motors 20 and the two trailing wheel wheel-side motors 23; The connection crossbeam is equipped with in the front portion of vehicle frame 7, guiding rotating shaft 22 is equipped with in the crossbeam front portion, door frame 1 links to each other with vehicle frame 7 by guiding rotating shaft 22, wicket frame 14 links to each other with door frame 1 by scissors fork connecting device 15, dump ram 8 one ends link to each other with vehicle frame 7, the other end links to each other with door frame 1, utilizes the anteversion and retroversion of joystick 12 control door frames 1.Draw bar 10 is contained on the back axle 34, can rotate around back axle 34, and draw bar 10 is fixed on the fork truck rear portion by bearing pin 28.Engine starting, steering wheel rotation 13 unclamps hand brake 11, steps on Das Gaspedal 18, and the fork truck continuously variable travels, and steps on brake pedal 17, by master brake cylinder and metal tube, the drg of wheel-side motor 20 and 23 is worked.
With reference to shown in Figure 4, vehicle frame 7 links to each other with back axle 34 by longitudinal stability bar 32, the spacing slide fastener 29 of horizontal leaf spring 33, four cylinder type dampers 30, Panhard rod 35, assist spring 24, four parallelogram; Horizontal leaf spring 33 is arranged in the middle of the back axle 34, the both sides of horizontal leaf spring 33 are provided with four cylinder type dampers 30, the rear portion of horizontal leaf spring 33 is provided with Panhard rod 35, the two ends of horizontal leaf spring 33 are provided with assist spring 24, the front portion of horizontal leaf spring 33 is provided with the longitudinal stability bar 32 of four parallelogram, rear side is provided with spacing slide fastener 29 in the middle of the back axle 34, and back axle 34 links to each other with trailing wheel 31 by trailing wheel wheel-side motor 23.
With reference to shown in Figure 5, braking main valve 26 is equipped with at vehicle frame 7 rear portions, and braking main valve 26 links to each other with braking air receiver 25, and braking main valve 26 links to each other with brake cylinder 19, and brake cylinder 19 links to each other with brake pedal 17.
Ultromotivity is travelled and highway high speed hauling, and the working process of two kinds of modes of travelling is as follows:
Ultromotivity is travelled:
Draw bar 10 is fixed on the fork truck rear portion by bearing pin 28, draw bar is inoperative, back axle 34 exceeds moving of horizontal leaf spring up and down by spacing slide fastener 29 restriction back axles, start the engine, locking oil cylinder 5 moves forward at the rail groove 16 of oil pressure effect lower edge vehicle frame 7, the swing arm 2 that at this moment front-wheel 21 is housed is ineffective, the moving axis 4 that can not rotate again rotates, vertical half leaf spring 3 no longer works, swing arm 2 becomes with vehicle frame 7 and is rigidly connected, unclamp hand brake 11, utilize 1 hypsokinesis of joystick 12 control door frames, rise and reach certain position, regain wicket frame 14, driving engine drives driving pump, driving pump drives four wheel-side motors 20 again, 23, wheel-side motor 20,23 drive forklift-walking, step on Das Gaspedal 18, can realize that the fork truck stepless change travels, maximum travelling speed 15km/h, step on brake pedal 17, master brake cylinder works, by metal tube and four wheel-side motors 20,23 drg links to each other, and makes the fork truck braking, steering wheel rotation 13, rear-axle steering drive axle 34 rotates, and can realize the hard-over of 75 ° of fork trucks, and this mode of operation is exactly the field work fork truck that the rear-axle steering on the ordinary meaning drives.
Highway high speed hauling
Utilize joystick 12, make door frame 1 hypsokinesis to end position, rise to certain altitude, make wicket frame 14 be withdrawn into end position simultaneously, joystick 12 mediates, engine off, unclamp hand brake 11, hydraulic oil in the locking oil cylinder 5 does not have oil pressure, under the effect of pull back spring, locking oil cylinder 5 moves backward along the rail groove 16 of vehicle frame 7, the swing arm 2 that at this moment front-wheel 21 is housed works, the moving axis 4 that can rotate rotates, vertical half leaf spring 3 works, swing arm 2 becomes elasticity with vehicle frame 7 and is connected, pull out bearing pin 28, put down draw bar 10, draw bar 10 hangs in the hook of transport trolley rear portion, one of electrical cable is connected on the joint of transport trolley rear portion, the other end is connected on the fork truck joint 27, and one of two braking connection lead are connected on the joint of transport trolley rear portion, and the other end is connected on the two braking joints 9 of fork truck, one cam is arranged at draw bar 10 bottoms, put down a hydraulic valve block asphalt channel that backs down in the process on the back axle at draw bar, the drive wheel of back axle 34 both sides 31 two ends oil circuits are connected, at this moment steering wheel rotation 13 again, can easily dally, steeraxle 34 turned to does not have effect, and steeraxle 34 turns to by draw bar 10 controls of putting down, thereby has realized that the fork truck wheel turns to the trailer function, with reference to Fig. 2, the effect of back pressure pump 6 is to make four active drive wheels of fork truck become flower wheel, under the effect of swing arm 2, makes back pressure pump 6 telescopic movings, to four wheel-side motors 20,23 form back pressure, satisfy the requirement of trailer driven wheel.The transport trolley speed of towing can reach 80km/h, when transport trolley turns at driving process, draw bar 10 drives fork truck and turns to transport trolley, with reference to Fig. 5, the transport trolley glancing impact, by two braking connection lead joints 9 braking main valve 26 is worked, braking gas is by braking air receiver 25, the brake cylinder 19 of brake pedal 17 bottoms is worked, brake cylinder 19 pulling brake pedals 17, drawing process and ultromotivity are travelled, and to step on process identical, and the braking procedure of back is identical with ultromotivity travelling brake process, and this also is trailer " air over hydraulic " braking commonly used.The transport trolley hauling fork car is behind the destination, take off braking connection lead, electrical cable, lift draw bar 10, plug bearing pin 28, draw bar 10 is fixed on the fork truck back axle, at this moment bearing circle 13 can not dally, steeraxle is worked, open braking main valve 26 simultaneously, bleed off gas in the braking air receiver 25, observe brake pedal 17, should be in and lift relaxation state.

Claims (2)

1, highway high speed hauling fork car, comprise a vehicle frame (7), before being provided with on the vehicle frame (7), trailing wheel (21), (31), vehicle frame (7) front end connects door frame (1), connecting device (15) is set on the door frame (1), connecting device (15) links to each other with little door frame (14), also be provided with dump ram (8) on the vehicle frame (7), dump ram (8) links to each other with door frame (1) again, it is characterized in that vehicle frame (7) is by horizontal leaf spring (33), cylinder type damper (30), Panhard rod (35), assist spring (24), the longitudinal stability bar (32) of parallelogram, spacing slide fastener (29) links to each other with back axle (34); Horizontal leaf spring (33) is arranged in the middle of the back axle (34), the both sides of horizontal leaf spring (33) are provided with four cylinder type dampers (30), the rear portion of horizontal leaf spring (33) is provided with Panhard rod (35), the two ends of horizontal leaf spring (33) are provided with assist spring (24), the front portion of horizontal leaf spring (33) is provided with the longitudinal stability bar (32) of parallelogram, rear side is provided with spacing slide fastener (29) in the middle of the back axle (34), back axle (34) links to each other with trailing wheel (31) by trailing wheel wheel-side motor (23), and draw bar (10) is housed on the back axle (34); The front end fixed bias circuit (4) of vehicle frame (7), turning cylinder (4) are rotationally connected with preceding swing arm (2), preceding swing arm (2) is gone up at turning cylinder (4) and is rotated, preceding swing arm (2) links to each other with an end of vertical half leaf spring (3), the other end of vertical half leaf spring (3) links to each other with vehicle frame (7), preceding swing arm (2) links to each other with front-wheel (21) by front-wheel wheel-side motor (20), and vehicle frame (7) is provided with and is used for pinning the locking oil cylinder (5) of preceding swing arm (2) and is used for switching the back pressure pump (6) that front and back wheel (21,31) is rotated master slave relation.
2, highway high speed hauling fork car according to claim 1 is characterized in that, has drum brake mechanism in two front-wheel wheel-side motors (20) and the two trailing wheel wheel-side motors (23).
CNB2005101245929A 2005-12-20 2005-12-20 Highway high speed hauling fork car Expired - Fee Related CN100339294C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005101245929A CN100339294C (en) 2005-12-20 2005-12-20 Highway high speed hauling fork car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005101245929A CN100339294C (en) 2005-12-20 2005-12-20 Highway high speed hauling fork car

Publications (2)

Publication Number Publication Date
CN1785790A true CN1785790A (en) 2006-06-14
CN100339294C CN100339294C (en) 2007-09-26

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101830412A (en) * 2010-04-22 2010-09-15 杨鹏波 Novel multipurpose traction forklift
CN102120547A (en) * 2011-04-01 2011-07-13 山西东华机械有限公司 Multifunctional middle trough assembling and disassembling machine
CN101734281B (en) * 2009-12-31 2011-10-05 中国人民解放军总后勤部建筑工程研究所 Mechanical-hydraulic-pneumatic triple steering axle locking device
CN110539740A (en) * 2019-09-23 2019-12-06 中国人民解放军32181部队 Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function
CN112194051A (en) * 2020-10-31 2021-01-08 龙合智能装备制造有限公司 High-adaptability container carrying equipment and using method thereof
CN112320692A (en) * 2020-10-31 2021-02-05 龙合智能装备制造有限公司 Combined container carrying equipment and use method thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2117307U (en) * 1992-03-12 1992-09-30 李青春 Trailor of fork lifter
JPH10265191A (en) * 1997-03-25 1998-10-06 Nippon Yusoki Co Ltd Device for detecting loosening of lift chain of forklift
CN2369986Y (en) * 1999-04-02 2000-03-22 王国治 Multifunctional hydraulic transport vehicle
CN2401530Y (en) * 1999-12-24 2000-10-18 山东巨菱股份有限公司 Simple multi-function loading machine
CN2447321Y (en) * 2000-11-02 2001-09-12 李志科 Small four-wheel loading machine
JP2003165697A (en) * 2001-11-29 2003-06-10 Sumitomo Metal Logistics Service Co Ltd Container carrying-out method
CN2853749Y (en) * 2005-12-20 2007-01-03 中国人民解放军总后勤部建筑工程研究所 Highway high speed drag forklift

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101734281B (en) * 2009-12-31 2011-10-05 中国人民解放军总后勤部建筑工程研究所 Mechanical-hydraulic-pneumatic triple steering axle locking device
CN101830412A (en) * 2010-04-22 2010-09-15 杨鹏波 Novel multipurpose traction forklift
CN101830412B (en) * 2010-04-22 2013-01-23 杨鹏波 Novel multipurpose traction forklift
CN102120547A (en) * 2011-04-01 2011-07-13 山西东华机械有限公司 Multifunctional middle trough assembling and disassembling machine
CN102120547B (en) * 2011-04-01 2015-06-17 山西东华机械有限公司 Multifunctional middle trough assembling and disassembling machine
CN110539740A (en) * 2019-09-23 2019-12-06 中国人民解放军32181部队 Engineering vehicle oil-gas composite multi-mode brake switching mechanism with full trailer function
CN112194051A (en) * 2020-10-31 2021-01-08 龙合智能装备制造有限公司 High-adaptability container carrying equipment and using method thereof
CN112320692A (en) * 2020-10-31 2021-02-05 龙合智能装备制造有限公司 Combined container carrying equipment and use method thereof
CN112320692B (en) * 2020-10-31 2022-02-11 龙合智能装备制造有限公司 Combined container carrying equipment and use method thereof

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Granted publication date: 20070926

Termination date: 20101220