CN105502230A - Hybrid power forklift transmission system - Google Patents

Hybrid power forklift transmission system Download PDF

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Publication number
CN105502230A
CN105502230A CN201610040802.4A CN201610040802A CN105502230A CN 105502230 A CN105502230 A CN 105502230A CN 201610040802 A CN201610040802 A CN 201610040802A CN 105502230 A CN105502230 A CN 105502230A
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CN
China
Prior art keywords
gear
spindle nose
drive shaft
hole
motor drive
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Granted
Application number
CN201610040802.4A
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Chinese (zh)
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CN105502230B (en
Inventor
夏萍
褚护生
颜丽华
相彬彬
徐昕宇
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Anhui Agricultural University AHAU
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Anhui Agricultural University AHAU
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Priority to CN201610040802.4A priority Critical patent/CN105502230B/en
Publication of CN105502230A publication Critical patent/CN105502230A/en
Application granted granted Critical
Publication of CN105502230B publication Critical patent/CN105502230B/en
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Classifications

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

Abstract

The invention provides a hybrid power forklift transmission system which comprises an adjusting box, a first gear, a second gear, a third gear, a driving motor, an output shaft, a hydraulic motor, an electromagnet, a control device and a sensor. The hydraulic motor comprises a motor shaft, a shaft head, a magnetic column, at least one steel ball and a fixing bolt. A sliding groove is formed in the shaft head. An annular groove is formed in the side, away from the motor shaft, of the magnetic column, and the side wall on the side, close to the motor shaft, of the annular groove is gradually away from the axis of the magnetic column in the direction close to the motor shaft, at least one clamping through hole and at least one sliding rail are further arranged on the shaft head, a ball lifting protrusion is arranged in the shaft head, and a plurality of clamping grooves are formed in the third gear. The sensor appliance is used for detecting gravity signals of goods on a fork. The hybrid power forklift transmission system is simple in mechanism, ingenious in structure, convenient to assemble and maintain and suitable for forklifts and other industrial vehicles, the energy consumption of the forklifts is reduced, an energy conversion link is omitted, and system efficiency can be improved.

Description

A kind of hybrid power forklift driving system
Technical field
The present invention relates to fork truck, be specifically related to a kind of hybrid power forklift driving system.
Background technology
In recent years, the great development of logistics, to the fork truck of short-distance transport handling, provide the stage of broad based growth, the demand of fork truck increased progressively fast.But along with people are to the enhancing of environmental protection consciousness; internal combustion engine tail gas discharge is just progressively subject to strict control; the short charging duration of flying power of batter fork lift truck is long not to be resolved; affect the universal principal element of batter fork lift truck, so the high flow rate maximum discharge of fork truck can not meet the requirement of modern industrialization at present.Hybrid power transmission system structure in the past or be complex structure, assembling, debugging, maintenance difficult, or be that the very high user of cost is difficult to bear expensive price, this makes hybrid power forklift fail to popularize.
Summary of the invention
Based on the technical matters that background technology exists, the present invention proposes a kind of hybrid power forklift driving system.
A kind of hybrid power forklift driving system that the present invention proposes, comprises surge tank, the first gear, the second gear, the 3rd gear, drive motor, output shaft, HM Hydraulic Motor, electromagnet, control setup and sensor;
First gear, the second gear, the 3rd gear are all rotatably arranged in surge tank, the first gear and the 3rd gear all with the second gears meshing, drive motor drives connection first gear; Output shaft is arranged on the second gear;
HM Hydraulic Motor comprises motor drive shaft, spindle nose, magnetic post, at least one steel ball and bolt of rear end plate; Spindle nose is installed on the motor, is provided with sliding tray in spindle nose; Magnetic post is removable in sliding tray, and is connected with spindle nose by return unit, and spindle nose, motor drive shaft and magnetic post are coaxially arranged; Magnetic post moving direction is the axis of spindle nose, magnetic post is provided with circular groove away from motor drive shaft side, the sidewall of circular groove near motor drive shaft side along near the direction of motor drive shaft gradually away from magnetic mast axis, steel ball is positioned at circular groove, spindle nose be provided with at least one can for steel ball partially pass through snap in through hole, snap in through hole and steel ball one_to_one corresponding, being also provided with at least one in spindle nose can for the sliding rail of steel ball movement, sliding rail with snap in through hole one_to_one corresponding; Be provided with balling-up projection in spindle nose, protruding being positioned at sliding tray of balling-up snaps in the relative both sides of through hole, and sliding tray is positioned at and snaps in the side of through hole near motor drive shaft; Motor drive shaft is rotatably arranged on surge tank, and snap in the through hole that through hole is positioned at the 3rd gear, the 3rd gear is provided with multiple card entry slot; Bolt of rear end plate passes electromagnet and is fixedly connected with motor drive shaft;
Electromagnet to be arranged on surge tank and to be positioned at spindle nose away from motor drive shaft side;
Sensor apparatus detects goods gravitational cue on pallet fork;
Sensor and electromagnet all communicate to connect with control setup, and control setup obtains goods gravitational cue on pallet fork by sensor, and judges whether pallet fork has weight, and when pallet fork there being weight, control setup controls electromagnet energising.
Preferably, the first gear is helical wheel.
Preferably, snap in through hole and be axially uniformly distributed around spindle nose.
Preferably, snap in through hole and be provided with three or four.
Preferably, card entry slot quantity and snap in through hole, and be axially uniformly distributed around spindle nose.
Preferably, motor drive shaft and spindle nose junction have profile of tooth cross section.
Preferably, return unit is spring.
The present invention uses timed unit according to the signal control work of electromagnet of sensor, and therefore electromagnet exists energising and energising two states; Electromagnet coordinates with return unit can make steel ball have two kinds of location statuss, wherein one is that steel ball is positioned on sliding rail, the second is that steel ball partially passes through and snaps in through hole, the second location status of steel ball is due to electromagnet attracting magnetic post, magnetic post moves to steel ball under electromagnet effect and balling-up projection leans, then by the sidewall of circular groove near motor drive shaft side, steel ball release is snapped in through hole, under steel ball the second location status, can snap in card entry slot through the steel ball snapping in through hole, such HM Hydraulic Motor just can pass through the 3rd gear driven second gear transmission; Therefore the present invention goods shelf can not have to only have drive motor during goods by the first gear drive second pinion rotation, and goods shelf has during goods and jointly drive the second pinion rotation by HM Hydraulic Motor and drive motor, hybrid powertrain system mechanism of the present invention is simple, structure is ingenious, assemble easy to maintenance, be applicable to the industrial vehicles such as fork truck, decrease the energy consumption of fork truck, decrease transformation of energy link, be conducive to improving system effectiveness.
Accompanying drawing explanation
Fig. 1 is a kind of hybrid power forklift drive system structure schematic diagram that the present invention proposes;
Fig. 2 is surge tank internal explosion figure of the present invention;
Fig. 3 is HM Hydraulic Motor transparent view;
Fig. 4 is magnetic rod structure schematic diagram;
Fig. 5 is spindle nose cutaway drawing.
Detailed description of the invention
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of hybrid power forklift driving system that the present invention proposes, comprises surge tank 1, first gear 2, second gear 3, the 3rd gear 4, drive motor 5, output shaft 6, HM Hydraulic Motor, electromagnet 8, control setup, sensor 9 and electromagnetic valve;
First gear 2, second gear 3, the 3rd gear 4 are all rotatably arranged in surge tank 1, and the first gear 2 and the 3rd gear 4 all engage with the second gear 3, and drive motor 5 drives connection first gear 2; Output shaft 6 is arranged on the second gear 3;
HM Hydraulic Motor comprises motor drive shaft 71, spindle nose 72, magnetic post 73, at least one steel ball 74 and bolt of rear end plate 75; Spindle nose 72 is arranged on motor drive shaft 71, is provided with sliding tray 721 in spindle nose 72; Magnetic post 73 is removable in sliding tray 721, and is connected with spindle nose 72 by return unit, and spindle nose 72, motor drive shaft 71 and magnetic post 73 are coaxially arranged; Magnetic post 73 moving direction is the axis of spindle nose 72, magnetic post 73 is provided with circular groove 731 away from motor drive shaft 71 side, the sidewall of circular groove 731 near motor drive shaft 71 side along near the direction of motor drive shaft 71 gradually away from magnetic post 73 axis, steel ball 74 is positioned at circular groove 731, spindle nose 72 be provided with at least one can for steel ball 74 partially pass through snap in through hole 722, snap in through hole 722 and steel ball 74 one_to_one corresponding, also being provided with at least one in spindle nose 72 can for the sliding rail 723 of steel ball 74 movement, sliding rail 723 with snap in through hole 722 one_to_one corresponding; Be provided with balling-up projection 724 in spindle nose 72, balling-up protruding 724 is positioned at sliding tray 721 and snaps in the relative both sides of through hole 722, and sliding tray 721 is positioned at and snaps in the side of through hole 722 near motor drive shaft 71; Motor drive shaft 71 is rotatably arranged on surge tank 1, and snap in the through hole that through hole 722 is positioned at the 3rd gear 4, the 3rd gear 4 is provided with multiple card entry slot 41; Bolt of rear end plate 75 passes electromagnet 8 and is fixedly connected with motor drive shaft 71;
Electromagnet 8 to be arranged on surge tank 1 and to be positioned at spindle nose 72 away from motor drive shaft 71 side;
Sensor 9 apparatus detects goods gravitational cue on pallet fork;
Sensor 9 and electromagnet 8 all communicate to connect with control setup, and control setup obtains goods gravitational cue on pallet fork by sensor 9, and judge whether pallet fork has weight, and when pallet fork there being weight, control setup controls electromagnet 8 and is energized.Solenoid electric valve hydraulic control oil content is two-way, and a road is to multiway valve control gate frame system, and a road makes high-pressure and hydraulic revolution to HM Hydraulic Motor.Supply or the direct oil circuit control of solenoid control oil circuit return hydraulic reservoir.
The present invention uses timed unit to work according to the signal control electromagnet 8 of sensor 9, and therefore electromagnet 8 exists energising and energising two states, electromagnet 8 coordinates with return unit can make steel ball 74 have two kinds of location statuss, wherein one is that steel ball 74 is positioned on sliding rail 723, the second is that steel ball 74 partially passes through and snaps in through hole 722, the second location status of steel ball 74 is due to electromagnet 8 attracting magnetic post 73, magnetic post 73 moves to steel ball 74 and leans with balling-up projection under electromagnet 8 acts on, then by the sidewall of circular groove 731 near motor drive shaft 71 side, steel ball 74 release is snapped in through hole 722, card entry slot 41 can be snapped in through the steel ball 74 snapping in through hole 722 under steel ball 74 the second location status, such HM Hydraulic Motor just can drive the second gear 3 transmission by the 3rd gear 4, the first location status of steel ball 74 is that steel ball 74 is drawn in on sliding rail 723 by magnetic post 73 under the effect of return unit, effectively reduces energy consumption because electromagnet 8 pairs of magnetic posts 73 do not produce attractive force.
In present embodiment, the first gear 2 is helical wheel, and actv. reduces noise.
In present embodiment, snap in through hole 722 and be axially uniformly distributed around spindle nose 72, being conducive to the impregnability heightening spindle nose 72 structure, snapping in through hole 722 and be provided with three or four, the impregnability improving spindle nose further also ensures the effect coordinated with card entry slot 41; Card entry slot 41 quantity and snap in through hole 722, and be axially uniformly distributed around spindle nose 72, effectively improve the impregnability of the 3rd gear 4.Motor drive shaft 71 and spindle nose 72 junction have profile of tooth cross section, increase the friction force of motor drive shaft 71 and spindle nose 72.
In present embodiment, return unit is spring, and spring is convenient to manufacture, install and change.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.

Claims (7)

1. a hybrid power forklift driving system, is characterized in that: comprise surge tank (1), the first gear (2), the second gear (3), the 3rd gear (4), drive motor (5), output shaft (6), HM Hydraulic Motor, electromagnet (8), control setup and sensor (9);
First gear (2), the second gear (3), the 3rd gear (4) are all rotatably arranged in surge tank (1), first gear (2) and the 3rd gear (4) all engage with the second gear (3), and drive motor (5) drives connection first gear (2); Output shaft (6) is arranged on the second gear (3);
HM Hydraulic Motor comprises motor drive shaft (71), spindle nose (72), magnetic post (73), at least one steel ball (74) and bolt of rear end plate (75), spindle nose (72) is arranged on motor drive shaft (71), is provided with sliding tray (721) in spindle nose (72), magnetic post (73) is removable in sliding tray (721), and is connected with spindle nose (72) by return unit, and spindle nose (72), motor drive shaft (71) and magnetic post (73) are coaxially arranged, magnetic post (73) moving direction is the axis of spindle nose (72), magnetic post (73) is provided with circular groove (731) away from motor drive shaft (71) side, the sidewall of circular groove (731) near motor drive shaft (71) side along near the direction of motor drive shaft (71) gradually away from magnetic post (73) axis, steel ball (74) is positioned at circular groove (731), what spindle nose (72) was provided with that at least one can supply steel ball (74) to partially pass through snaps in through hole (722), snap in through hole (722) and steel ball (74) one_to_one corresponding, the sliding rail (723) that at least one can supply steel ball (74) movement is also provided with in spindle nose (72), sliding rail (723) with snap in through hole (722) one_to_one corresponding, balling-up projection (724) is provided with in spindle nose (72), balling-up projection (724) and sliding tray (721) are positioned at and snap in the relative both sides of through hole (722), and sliding tray (721) is positioned at and snaps in the side of through hole (722) near motor drive shaft (71), motor drive shaft (71) is rotatably arranged on surge tank (1), and snap in the through hole that through hole (722) is positioned at the 3rd gear (4), the 3rd gear (4) is provided with multiple card entry slot (41), bolt of rear end plate (75) is through electromagnet (8) and be fixedly connected with motor drive shaft (71),
Electromagnet (8) is arranged on surge tank (1) and goes up and be positioned at spindle nose (72) away from motor drive shaft (71) side;
Sensor (9) apparatus detects goods gravitational cue on pallet fork;
Sensor (9) and electromagnet (8) all communicate to connect with control setup, control setup obtains goods gravitational cue on pallet fork by sensor (9), and judge whether pallet fork has weight, when pallet fork there being weight, control setup controls electromagnet (8) energising.
2. hybrid power forklift driving system according to claim 1, is characterized in that: the first gear (2) is helical wheel.
3. hybrid power forklift driving system according to claim 1, is characterized in that: snap in through hole (722) and be axially uniformly distributed around spindle nose (72).
4. hybrid power forklift driving system according to claim 3, is characterized in that: snap in through hole (722) and be provided with three or four.
5. hybrid power forklift driving system according to claim 4, is characterized in that: card entry slot (41) quantity and snap in through hole (722), and is axially uniformly distributed around spindle nose (72).
6. hybrid power forklift driving system according to claim 1, is characterized in that: motor drive shaft (71) and spindle nose (72) junction have profile of tooth cross section.
7. the hybrid power forklift driving system according to claim 1-6 any one, is characterized in that: return unit is spring.
CN201610040802.4A 2016-01-21 2016-01-21 A kind of hybrid power forklift transmission system Active CN105502230B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610040802.4A CN105502230B (en) 2016-01-21 2016-01-21 A kind of hybrid power forklift transmission system

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Application Number Priority Date Filing Date Title
CN201610040802.4A CN105502230B (en) 2016-01-21 2016-01-21 A kind of hybrid power forklift transmission system

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CN105502230B CN105502230B (en) 2017-10-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109336010A (en) * 2018-10-24 2019-02-15 徐雪娇 A kind of fork truck loading and unloading device

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CN102134048A (en) * 2011-02-15 2011-07-27 安徽合力股份有限公司 Hydraulic system of hybrid power forklift
JP2012062003A (en) * 2010-09-17 2012-03-29 Hitachi Constr Mach Co Ltd Hybrid work vehicle
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JP2012232661A (en) * 2011-04-28 2012-11-29 Mitsubishi Heavy Ind Ltd Hybrid industrial vehicle
CN102862468A (en) * 2012-10-11 2013-01-09 北京理工大学 Machine liquid hybrid power system based on double-power output
CN202986856U (en) * 2012-11-20 2013-06-12 北京慧峰聚能科技有限公司 Hybrid power system of fuel battery forklift truck
US20140005869A1 (en) * 2012-06-29 2014-01-02 Kabushiki Kaisha Toyota Jidoshokki Industrial vehicle
JP5386479B2 (en) * 2008-03-27 2014-01-15 ニチユ三菱フォークリフト株式会社 Hybrid industrial vehicle

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2815757Y (en) * 2005-01-16 2006-09-13 陈一寒 Mixed power automobile electromechanical coupler
EP1752330A2 (en) * 2005-08-08 2007-02-14 Nissan Motor Company Limited Vehicle drive power distribution
CN101011942A (en) * 2007-02-12 2007-08-08 无锡开普动力有限公司 Industrial vehicle with hybrid power
JP5386479B2 (en) * 2008-03-27 2014-01-15 ニチユ三菱フォークリフト株式会社 Hybrid industrial vehicle
CN201816452U (en) * 2010-07-16 2011-05-04 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 Hydraulic traveling gear for hybrid electric forklift
JP2012062003A (en) * 2010-09-17 2012-03-29 Hitachi Constr Mach Co Ltd Hybrid work vehicle
CN102134048A (en) * 2011-02-15 2011-07-27 安徽合力股份有限公司 Hydraulic system of hybrid power forklift
JP2012232661A (en) * 2011-04-28 2012-11-29 Mitsubishi Heavy Ind Ltd Hybrid industrial vehicle
CN102501849A (en) * 2011-12-22 2012-06-20 山河智能装备股份有限公司 Driving and energy recycling system for hybrid forklift
US20140005869A1 (en) * 2012-06-29 2014-01-02 Kabushiki Kaisha Toyota Jidoshokki Industrial vehicle
CN102862468A (en) * 2012-10-11 2013-01-09 北京理工大学 Machine liquid hybrid power system based on double-power output
CN202986856U (en) * 2012-11-20 2013-06-12 北京慧峰聚能科技有限公司 Hybrid power system of fuel battery forklift truck

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109336010A (en) * 2018-10-24 2019-02-15 徐雪娇 A kind of fork truck loading and unloading device

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