CN106006471B - The pneumatic shipping fork truck mechanism of multiple degrees of freedom - Google Patents

The pneumatic shipping fork truck mechanism of multiple degrees of freedom Download PDF

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Publication number
CN106006471B
CN106006471B CN201610520980.7A CN201610520980A CN106006471B CN 106006471 B CN106006471 B CN 106006471B CN 201610520980 A CN201610520980 A CN 201610520980A CN 106006471 B CN106006471 B CN 106006471B
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CN
China
Prior art keywords
shelf
ratchet
fork truck
mandril
frame
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.)
Expired - Fee Related
Application number
CN201610520980.7A
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Chinese (zh)
Other versions
CN106006471A (en
Inventor
苏炫魁
李闯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Fangyuan Medical Technology Co ltd
Original Assignee
Guangxi Spinning Medical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangxi Spinning Medical Technology Co Ltd filed Critical Guangxi Spinning Medical Technology Co Ltd
Priority to CN201610520980.7A priority Critical patent/CN106006471B/en
Publication of CN106006471A publication Critical patent/CN106006471A/en
Application granted granted Critical
Publication of CN106006471B publication Critical patent/CN106006471B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/065Devices 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 non-masted
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • B66F9/205Arrangements for transmitting pneumatic, hydraulic or electric power to movable parts or devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/20Means for actuating or controlling masts, platforms, or forks
    • B66F9/22Hydraulic devices or systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F2700/00Lifting apparatus
    • B66F2700/09Other lifting devices

Landscapes

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

Abstract

The invention discloses a kind of pneumatic shipping fork truck mechanism of multiple degrees of freedom, originally shelf are in low clearance state, push rod wide-angle tilt under push rod action of reset spring, air parcel is in the upper end of frame, cargo is positioned on the upside of shelf by subsequent staff, push rod is pushed, constantly to the left, right side is swung, left side mandril and right side mandril promote left side driving lever and right side driving lever to swing back and forth, so that left side ratchet and right side ratchet alternately stir pawl wheel, under ratchet effect, screw driving air parcel moves down, lifting cylinder is inflated into shelf lifting cylinder, so that shelf entirety lifting, personnel to be operated are by the pressure inside quick release lifting cylinder after goods handling to destination, so that shelf rapid decrease, complete unloading.The present apparatus can improve the efficiency of fork truck shipping, solve the problems, such as that fork truck discharging is slow and mode is single and easy and safe to operate.

Description

The pneumatic shipping fork truck mechanism of multiple degrees of freedom
Technical field
The present invention relates to manually driven lorry to carry field, more particularly to a kind of board-like fork truck.
Background technology
Fork truck is to apply quite varied flow-type hoist-transportation machines, is that (foreign countries are referred to as industry to material carrying machine Vehicle) one kind.Fork truck is to install special loading and unloading device additional on the trackless wheel undercarriage equipped with power set to form. A kind of flow-type haulage equipment of the fork truck as handling and short distance transport, is not only applicable to national basis construction industry, and It is also in common use on harbour, station, goods yard, storage, workshop, oil field and airport etc., in addition fork truck can enter cabin sum aggregate Operation in vanning, while it is also widely used for military service.However, general fork truck front end is equipped with door frame, pallet fork can on move down It is located at dynamicly on door frame, pallet fork is usually realized by chain-driving and lifted.This fork truck occupancy volume is big, and door frame is located at fork truck Driving vision is caused to be obstructed in front end.In addition, structures shape of the heave amplitude that moves up and down of pallet fork by door frame, it is generally the case that Pallet fork can not rise too high
1st, patent document【Application number:200910304088.5】A kind of " fork truck " is disclosed, its structure is:Mast is arranged on It is connected behind drivers' cab and with vehicle frame, and the mast has an inclination angle a in vertical direction;Liquid is set between mast and vehicle frame Cylinder pressure;Mast is connected with lift unit, and lift unit connection lifting beam, lifting beam is connected again by lift arm with goods.Inclination angle a is 500 power unit of scholar is arranged on drivers' cab in the following, being connected with vehicle frame.Lifting beam is arranged on two outsides of drivers' cab.Lifting beam by Cross section makes for the steel of rectangle.There is hydraulic cylinder in lifting beam, the both ends of hydraulic cylinder connect with lifting beam and lift arm respectively Connect.Port close to lift arm in lifting beam is provided with bearing.The fork lift truck structure that the patent proposes and traditional fork lift truck structure Without too big difference, main difference is the rear for door frame being arranged on cockpit, therefore alleviates to a certain extent View obstruction problem, but bring a very crucial deficiency:Lifting beam aspect ratio is very big, and cantilever is installed, in goods Larger deformation will certainly occur under thing gravity, to avoid larger deformation from needing special design and using performance more preferable Material, this will certainly increase cost, secondly pallet fork just in the surface of driver's cabin, then can just in case there is the situation that cargo drops Driver is directly injured, therefore, it is difficult to reach good safe effect.
2nd, patent document【Application number:03155580.2】Disclose a kind of " fork truck ", including:One longitudinal axis, a driving Portion, drive division can lean on one or two front-wheels and two rear wheel drives to walk on the ground, and trailing wheel, which is supported on, is fixed on driving In wheel arm in portion, there is cockpit in drive division, inside there is seat and control element, driving behaviour is carried out when driver is seated on the seat The longitudinal axis of its direction of visual lines and fork truck is into transverse direction when making, loading station have one can longitudinally direction movement pillar, yoke Or like is driven and is directed to along pillar, power is provided for the various drivings of fork truck by battery, battery is by two parts group Into being attached separately to stand in the battery compartment in wheel arm, battery compartment supports in wheel arm and by wheel arm.The apparatus structure it is simple and Tradition, the overall dimensions of equipment are excessive, to solve the problems, such as that pallet fork is arranged on the front of driver to view obstruction therebetween, necessarily The problem of unsighted gear can be alleviated in degree, but the object in face of big height still can not avoid the defects of unsighted, Secondly the unsighted question patent content at fork truck rear is not also introduced, and this is can not be ignored the problem of in itself.
In conclusion existing fork truck mechanism is primarily present, structure is excessively traditional, and the consideration to details is not abundant enough, equipment The defects of the problem of excessively huge, unsighted solution is not thorough, restricted application.
The content of the invention
The present invention provides a kind of pneumatic shipping fork truck mechanism of multiple degrees of freedom, improves the efficiency and its applicable model of fork truck shipping Enclose, solve the problems, such as that fork truck discharging is slow, mode is single, operating personnel's sight is not spacious enough and easy to operate in transportational process Safety, technological ability are good.
A kind of pneumatic shipping fork truck mechanism of multiple degrees of freedom, castor are contacted with ground, support whole shipping fork truck and cargo Weight, the center portion thereof position are connected with foot wheel carrier, and the foot wheel carrier is fixed on the lower section of shelf lifting cylinder, and the number of foot wheel carrier Amount is consistent with castor, and the piston rod free end of the shelf lifting cylinder is then fixed on the downside of shelf, the front end welding of shelf Strong frame, the upper end of power frame are connected with handrail, and have push rod resetting spring with pushing away in the front end of the lower section of power frame and shelf Bar connects, and lower end and the shelf of the push rod, which are changed hands, to be hinged, and has upper and lower and left-right rotation the dual free degree, and jacking block is installed on The both sides of push rod, block and right side block, driving pawl driving mechanism generation action, institute on the left of the continuous top pressure of jacking block during work Stating ratchet drive mechanism then drives the shelf hoisting mechanism being attached thereto to move.
The ratchet drive mechanism includes right side block, left side block, left side mandril resetting spring, left side mandril, left side Driving lever, left side ratchet, ratchet and right side ratchet and right side mandril resetting spring, right side mandril, the right side block, left side gear Block is separately fixed at one end of right side mandril and left side mandril, and the other end of the right side mandril and left side mandril is then dialled on right side Slided in the sliding slot processed on bar and left side driving lever, one end of the right side mandril resetting spring and left side mandril resetting spring is equal It is connected on the downside of shelf, the other end then connects right side driving lever and left side driving lever respectively, mandril resetting spring and left side top on right side Right side ratchet and left side ratchet alternately stir pawl wheel under the action of bar resetting spring.
The shelf hoisting mechanism includes frame, lifting cylinder, screw, guide rod and air parcel, and the frame is fixed on goods The both sides of frame, the upper end of screw pass through frame top surface, and lower end is then connected with ratchet, and the air parcel slides on screw, guide rod The both sides of air parcel are installed on, frame is fixed in the lower end of lifting cylinder, its piston rod free end is then connected with air parcel.
The ratchet is divided into upper and lower two parts, and two parts consolidate and the ratchet direction of two parts is opposite.
The U-shaped for upper end level of the frame, reverse mounted, upper end is machined with bearing hole, the internal face in both sides On be machined with two sliding slots, in order to the slip of guide rod.
The remarkable result of the present invention is:
1st, due to the uncertainty of shelf service load, it is desirable to which device has succinct structure and good intensity, rigidity Performance, to reduce the maintenance frequency and improve safety coefficient, machined piece regular shape of the present invention, main member is standard component, Such as:Screw, castor, lifting cylinder type selecting can be bought as needed, and driving member is rod piece simple in structure, machining It is convenient.
2nd, especially prominent advantage is can to make pawl wheel by the push rod that swings, and the swing of push rod both direction makes Left side ratchet and right side ratchet cooperate between promotion and self-locking action, and ratchet drives screw to rotate, finally to shelf lifting cylinder Inflation, shelf entirety lifting, if the pressure inside release lifting cylinder can allow shelf rapid decrease.
3rd, the present apparatus power selection selection manpower, it is simple and environmentally-friendly, be adapted to one man operation, therefore can be adapted for family, The inside transport occasion in workshop, secondly the lead angle of rational design screw can be with the auto-lock function of realization device, raising machine The safety coefficient of structure.
Brief description of the drawings
Fig. 1 is the general assembly schematic diagram of the present invention, wherein:1- castors;2- foot wheel carriers;3- jacking blocks;4- push rods;5- push rods reset Spring;6- power framves;7- handrails;8- shelf lifting cylinders;9- shelf;10- shelf are changed hands;Block on the right side of 11-;Block on the left of 12-; Mandril resetting spring on the left of 13-;Mandril on the left of 14-;Driving lever on the left of 15-;Ratchet on the left of 16-;17- ratchets;Ratchet on the right side of 18-; Mandril resetting spring on the right side of 19-;Mandril on the right side of 20-;Driving lever on the right side of 21-;22- frames;23- lifting cylinders;24- screws;25- is led To bar;26- air parcels.
Fig. 2 is the bottom view of the present invention.
Fig. 3 is class ratchet drive mechanism enlarged diagram at part B of the invention.
Fig. 4 is shelf hoisting mechanism enlarged diagram at local A.
Embodiment
Shown in compares figure 1-4, in view of the reality that the loading capacity of fork truck is big under normal conditions and working environment personnel are numerous Situation, should check the connection of each component of fork truck before the use, and simply examination pushes away whether once observation operation flows Push rod 4, is then pressed downward by journey, swings constantly block 12 on the left of top pressure back and forth to the left, and 12 other end of left side block exists Reciprocatingly slide in the sliding slot of left side mandril 14, so that left side ratchet 16 stirs the ratchet of the upside of ratchet 17, screw 24 rotated Make the constantly movement upwards of air parcel 26 in journey, 8 piston rod of shelf lifting cylinder withdraws intracavitary so that shelf 9 drop to minimum height Degree, so far device completion preparation.
Cargo to be transported is positioned over the upside of shelf 9 by device when working, push rod 4 is pressed downward by subsequent operating personnel, Block 11 on the right side of top pressure back and forth is swung constantly to the right, and 11 other end of right side block is reciprocal in the sliding slot of right side mandril 20 Slide, so that right side ratchet 18 stirs the ratchet of the downside of ratchet 17, air parcel 26 is constantly transported downwards in 24 rotation process of screw Dynamic, air parcel 26 promotes the piston rod of lifting cylinder 23 to withdraw intracavitary, and lifting cylinder 23 is then constantly toward in shelf lifting cylinder 8 Inflation, so that the entirety of shelf 9 is lifted to specified altitude assignment, subsequent operating personnel promote shipping fork truck to transport cargo by handrail 7 Send to destination and carry out discharge operation, device completes a transportational process.

Claims (5)

1. a kind of pneumatic shipping fork truck mechanism of multiple degrees of freedom, castor(1)Contacted with ground, support whole shipping fork truck and cargo Weight, the center portion thereof position and foot wheel carrier(2)Connection, foot wheel carrier(2)It is fixed on shelf lifting cylinder(8)Lower section, and castor Frame(2)Quantity and castor(1)Unanimously, the shelf lifting cylinder(8)Piston rod free end be then fixed on shelf(9)Under Side, shelf(9)Front end weld strong frame(6), power frame(6)Upper end and handrail(7)Connection, and in power frame(6)Lower section And shelf(9)Front end have push rod resetting spring(5)With push rod(4)Connection, the push rod(4)Lower end changed hands with shelf (10)It is hinged, there is upper and lower and left-right rotation the dual free degree, jacking block(3)Installed in push rod(4)Both sides, jacking block during work (3)Block on the left of continuous top pressure(12)With right side block(11), driving pawl driving mechanism generation action, the ratchet driving Mechanism then drives the shelf hoisting mechanism being attached thereto to move.
2. the pneumatic shipping fork truck mechanism of multiple degrees of freedom according to claim 1, it is characterised in that:The ratchet drive mechanism Including right side block(11), left side block(12), left side mandril resetting spring(13), left side mandril(14), left side driving lever(15)、 Left side ratchet(16), ratchet(17)With right side ratchet(18)And right side mandril resetting spring(19), right side mandril(20), it is described Right side block(11), left side block(12)It is separately fixed at right side mandril(20)With left side mandril(14)One end, the right side Mandril(20)With left side mandril(14)The other end then in right side driving lever(21)With left side driving lever(15)It is sliding in the sliding slot of upper processing It is dynamic, the right side mandril resetting spring(19)With left side mandril resetting spring(13)One end be both connected to shelf(9)Downside, separately One end then connects right side driving lever respectively(21)With left side driving lever(15), in right side mandril resetting spring(19)Resetted with left side mandril Spring(13)Under the action of right side ratchet(18)With left side ratchet(16)Alternating stirs ratchet(17)Rotate.
3. the pneumatic shipping fork truck mechanism of multiple degrees of freedom according to claim 1, it is characterised in that:The shelf hoisting mechanism Including frame(22), lifting cylinder(23), screw(24), guide rod(25)And air parcel(26), the frame(22)It is fixed on goods Frame(9)Both sides, screw(24)Upper end pass through frame(22)Top surface, lower end then with ratchet(17)Connection, the air parcel(26) In screw(24)Upper slip, guide rod(25)It is installed on air parcel(26)Both sides, lifting cylinder(23)Lower end be fixed on frame (22), its piston rod free end then with air parcel(26)Connection.
4. the pneumatic shipping fork truck mechanism of multiple degrees of freedom according to claim 2, it is characterised in that:The ratchet(17)It is divided into The ratchet direction of upper and lower two parts, two parts consolidation and two parts is opposite.
5. the pneumatic shipping fork truck mechanism of multiple degrees of freedom according to claim 3, it is characterised in that:The frame(22)Be The U-shaped of upper end level, reverse mounted, upper end is machined with bearing hole, and two sliding slots are machined with the internal face of both sides, so as to In guide rod(25)Slip.
CN201610520980.7A 2016-07-05 2016-07-05 The pneumatic shipping fork truck mechanism of multiple degrees of freedom Expired - Fee Related CN106006471B (en)

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Application Number Priority Date Filing Date Title
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CN106006471B true CN106006471B (en) 2018-04-17

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107054684B (en) * 2017-06-06 2023-08-29 北京特种机械研究所 Multi-degree-of-freedom adjusting cargo loading device
CN112678720B (en) * 2021-03-12 2021-06-08 浙江工商职业技术学院 Transmission device of electronic commerce product carrier
CN112960602B (en) * 2021-05-18 2021-09-14 山东明宇重工机械有限公司 Multifunctional small-sized hydraulic pallet truck

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61130597U (en) * 1985-01-31 1986-08-15
CN2589448Y (en) * 2002-12-31 2003-12-03 刘铁儿 Mechanical elevating apparatus
CN202808273U (en) * 2012-10-17 2013-03-20 王金耀 Pallet jack for conveying oil drum
CN204474256U (en) * 2015-03-13 2015-07-15 李振 A kind of manual goods transport fork truck of improvement
CN204752109U (en) * 2015-06-30 2015-11-11 成都长客新筑轨道交通装备有限公司 Assistor is transported to material
CN205973625U (en) * 2016-07-05 2017-02-22 广西联壮科技股份有限公司 Pneumatic freight transportation fork truck mechanism of multi freedom

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Inventor after: Su Xuankui

Inventor after: Li Chuang

Inventor before: Li Qintao

Inventor before: Wei Yufen

Inventor before: Qin Yi

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Effective date of registration: 20180212

Address after: 530105 standard plant No. 69, No. 12, Chang Gang Avenue, Beijiao Guangxi ASEAN Economic and Technological Development Zone, Nanning City, the Guangxi Zhuang Autonomous Region

Applicant after: GUANGXI FANGYUAN MEDICAL TECHNOLOGY CO.,LTD.

Address before: 545800, the Guangxi Zhuang Autonomous Region Laibin City Xiangzhou town like stone

Applicant before: GUANGXI LIANZHUANG SCIENCE & TECHNOLOGY Co.,Ltd.

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