CN101955140A - High-efficiency energy-saving forklift hoisting mechanism - Google Patents
High-efficiency energy-saving forklift hoisting mechanism Download PDFInfo
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- CN101955140A CN101955140A CN2010102757465A CN201010275746A CN101955140A CN 101955140 A CN101955140 A CN 101955140A CN 2010102757465 A CN2010102757465 A CN 2010102757465A CN 201010275746 A CN201010275746 A CN 201010275746A CN 101955140 A CN101955140 A CN 101955140A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000006698 induction Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000008713 feedback mechanism Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012163 sequencing technique Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The invention relates to a battery forklift, in particular to a high-efficiency energy-saving forklift hoisting mechanism. The mechanism at least comprises a forklift body, a fork frame connected at the front end of the forklift body, forks and a guide frame, wherein the fork frame and the guide frame are in sliding connection through a guide groove; two horizontal forks on the left and right are in sliding connection with the fork frame through fork rods; the upper end of the guide frame is connected to the upper end of the forklift body through a left front boom drive cylinder and a right front boom drive cylinder, and the lower end of the guide frame is fixed on the chassis of the fork body; and the fork frame slides and moves up and down in the guide groove along the guide frame under the driving of a transmission belt/chain. The forklift hoisting mechanism is characterized in that: the lower end of a transverse lift rod is vertically fixedly connected with pull rods of electric cylinders; and the electric cylinders are fixed bilaterally symmetrically to the center of the guide frame. The forklift hoisting mechanism adopts an electric ball screw to replace a fork drive cylinder, a rotating cylinder of the booms, a steering cylinder, a fork transverse moving cylinder and other hydraulic cylinders of the battery forklift.
Description
Technical field
The present invention relates to a kind of batter fork lift truck, relate in particular to a kind of high-efficiency and energy-saving type fork truck lift system, its adopt electric ball screw replace batter fork lift truck car fork driving oil cylinder, preceding big swing cylinder, turn to the batter fork lift truck of hydraulic rams such as oil cylinder, car fork side travel oil cylinder.
Background technology
The power of present batter fork lift truck produces by car fork driving oil cylinder, preceding big swing cylinder, turns to oil cylinder, car fork side travel oil cylinder to provide.When fork truck was worked, the motor drives Hydraulic Pump rotated, and is connected to each oil cylinder by hydraulic tubing again, and with manually reaching motorized valve control oil circuit.But there is following problem in existing hydraulic efficiency pressure system:
1, hydraulic tubing connects complicated and easily produces leakage of oil and system's installation inconvenience.
2, hydraulic efficiency is low, so batter fork lift truck generally all adopts independent motor to drive Hydraulic Pump.Because the principle of work and the manufacture craft of Hydraulic Pump make that the work efficiency of system is lower, cause the waste of the energy.
3, steer motor full-load operation ceaselessly in the fork truck working process is generally adopted in the fluid-link steering of existing batter fork lift truck, also caused unnecessary waste, and reduced operable time after the charging once more, increased the wearing and tearing of steer motor and Hydraulic Pump simultaneously.
4, hydraulic efficiency pressure system is brought fork truck single-piece decrease in efficiency, reliability reduction, big, the energy consumption increase of operation noise, the manufacturing cost height, and the system complex installation difficulty is big.
Summary of the invention
The object of the invention provides a kind of high-efficiency and energy-saving type fork truck lift system, and installation inconvenience, driving efficiency that fluid power system was brought are low, service life is low because of adopting, the operation technical matters that noise is big, reliability is low to solve existing batter fork lift truck.
The object of the present invention is achieved like this, a kind of high-efficiency and energy-saving type fork truck lift system, which comprises at least the fork truck body, be connected the jaw frame of fork truck body front end, jaw and guide frame, jaw frame and guide frame are by the guide groove sliding block joint, two jaws on level one the first from left right side are by forked rod and jaw frame sliding block joint, guide frame upper end by about before big arm driving cylinder be connected the upper end of fork truck body, guide frame lower end and fork truck body chassis are fixed, the jaw frame slides up and down at guide groove at belts/chain drive lower edge guide frame and claims to move, article two, belts/chain one end and jaw frame are fixed, the other end is fixed on the fork truck body, article two, flexibly connect by horizontal lifting bar transition in the middle of the belts/chain, it is characterized in that: laterally vertically captive joint with the push rod of electronic cylinder in the lifting bar lower end, and electronic cylinder is fixed on left-right symmetric position, guide frame center.
Described electronic cylinder comprises electrical motor, gear pair, gear case, transmission shaft, drive bearing and push rod, electrical motor is by change-speed box or direct connection gear pair, gear pair is fixed in the gear case, gear pair connects transmission shaft simultaneously, transmission shaft is connected with the drive bearing bearing, and gear pair makes transmission shaft and motor reel constitute parallel construction; Electronic cylinder is connected with the operating mechanism of fork truck body, starts, stops, stretching out, withdraws by operating mechanism control push rod.
Electronic cylinder in the described guide frame is two groups, stands vertically between the framework of the guide frame left and right sides, and the left electronic cylinder of two groups of electronic cylinders and the balanced layout of right electronic cylinder, the left push rod of left electronic cylinder and right electronic cylinder, right push rod are connected with laterally lifting bar is vertical.
Position sensor in the described electronic cylinder; Position transduser is magnetic induction sensor or opto-electronic pickup, and the output signal of position transduser is sent into operating mechanism; Operating mechanism drives the push rod telescopic location that actuating unit is guaranteed electronic cylinder, reaches the raised position of control jaw.
Described push rod is an electric ball screw, or the connector of electric ball screw, is used for the set position transduser along push rod straight line moving direction position sensor.
The advantage that the present invention has is:
1, fork truck of the present invention makes the system effectiveness height because whole drive system adopts a plurality of motors to drive respectively and control, and system's consumed energy hardly when not walking or do not promote.
2, fork truck of the present invention is convenient to realize the sequencing no-man control.The position feedback mechanism of each electric ball screw cylinder is sent to the fork truck control system with the position of real-time detected electric ball screw.The height that forks object that the fork truck control system will be once, the anglec of rotation, travel distance, the heap of back steering wheel unload the height of object, position, track route record and store.By after being provided with of operating personal, full electric forklift can carry out the unmanned work of sequencing by former route according to the height that different automatically height that forks object and heap unload object.
3, electric ball screw cylinder of the present invention has forced stroke and work speed is accurately controlled, reliability is high, can not produce leakage of oil, system's advantage easy for installation.Adopt ball screw assembly, or lead screw pair to carry out movement conversion, have the advantage of conversion efficiency height, long service life.
4, electric ball screw cylinder operation noise of the present invention is low, environmentally safe.Low cost of manufacture.
5, electric ball screw cylinder of the present invention have manufacturing high conformity, be convenient to the advantage of repair and replacement.
Description of drawings
Fig. 1 is the embodiment of the invention 1 structural representation;
Fig. 2 is the side-looking structural representation of Fig. 1;
Fig. 3 is electronic cylinder structure scheme drawing;
Fig. 4 is the embodiment of the invention 2 structural representations.
Among the figure: 1, jaw frame; 2, jaw; 3, forked rod; 4, belts/chain; 5, lifting bar; 6, guide frame; 7, push rod; 8, preceding big arm driving cylinder; 9, electronic cylinder; 10, fork truck moves wheel; 11, Left Drive band/chain; 12, right belts/chain; 13, left electronic cylinder; 14, right electronic cylinder; 15, left push rod; 16, right push rod; 17, fork truck body; 18, jaw guide frame; 19, guide groove; 20, operating mechanism; 21, gear pair; 22, change-speed box; 23, electrical motor; 24, gear case; 25, transmission shaft; 26, drive bearing.
The specific embodiment
As Fig. 1, shown in Figure 2, a kind of high-efficiency and energy-saving type fork truck lift system, which comprises at least fork truck body 17, be connected the jaw frame 1 of fork truck body 17 front ends, jaw 2 and guide frame 6, jaw frame 1 passes through guide groove 19 sliding block joints with guide frame 6, two jaws 2 on level one the first from left right side are by forked rod 3 and jaw frame 1 sliding block joint, guide frame 6 upper ends by about before big arm driving cylinder 8 be connected the upper end of fork truck body 17, guide frame 6 lower ends and fork truck body 17 chassis are fixed, there is jaw guide frame 18 at jaw frame 1 two ends, jaw guide frame 18 slides up and down at guide groove 19 at belts/chain 4 drive lower edge guide frames 6 and claims to move, article two, belts/chain 4 one ends and jaw frame 1 are fixing, the other end is fixed on the fork truck body 17, article two, flexibly connect by horizontal lifting bar 5 transition in the middle of the belts/chain 4, laterally vertically captive joint with the push rod 7 of electronic cylinder 9 in lifting bar 5 lower ends, and electronic cylinder 9 is fixed on left-right symmetric position, guide frame 6 center.
As shown in Figure 3, for propulsive effort and the balance that strengthens fork truck, electronic cylinder 9 in the guide frame 6 is two groups, stand vertically between guide frame 6 left and right sides frameworks, the left electronic cylinder 13 of two groups of electronic cylinders and right electronic cylinder 14 balanced layouts, Left Drive band/chain 11 and right belts/chain 12 1 ends and jaw frame 1 are fixing, the other end is fixed on the fork truck body 17, the fork truck body has for 17 times fork truck to move wheel 10, article two, flexibly connect the left push rod 15 of left electronic cylinder 13 and right electronic cylinder 14 by horizontal lifting bar 5 transition in the middle of the belts/chain 4, right push rod 16 and horizontal 5 vertical connections of lifting bar.
Two groups of electronic cylinders all comprise electrical motor 23, gear pair 21, gear case 24, transmission shaft 25, drive bearing 26 and push rod 7, the electrical motor of electronic cylinder 13 in a left side and right electronic cylinder 14 is connected with the operating mechanism 20 of fork truck body 17, by moving, move down, start, stop on the left push rod 15 of operating mechanism 20 controls, the right push rod 16.
Position sensor in the described electronic cylinder; Position transduser is magnetic induction sensor or opto-electronic pickup, and the output signal of position transduser is sent into operating mechanism; Operating mechanism drives the push rod telescopic location that actuating unit is guaranteed electronic cylinder, reaches the raised position of control jaw 2.
Described push rod 7 is electric ball screws, or the connector of electric ball screw, is used for the set position transduser along push rod straight line moving direction position sensor.
Comprise power control mechanism, position feedback mechanism, actuating unit and brake system in the electronic cylinder; Power control mechanism comprises motor and electric machine control system; Position feedback mechanism comprises the magnetic induction sensor with the coaxial setting of motor shaft; The output signal of magnetic induction sensor is sent into electric machine control system; Actuating unit comprises runner assembly and translation assembly; Runner assembly comprises bearing chamber, leading screw, is arranged on two pressure bearings in the bearing chamber; One end of leading screw is provided with outside thread, and coaxial being connected of gear wheel shaft in its other end and the gear pair is provided with the spacing pillow block vertical with the leading screw axis direction on its middle part circumference face; Spacing pillow block is arranged in the bearing chamber, and two bearings are separately positioned on the axial both sides of spacing pillow block; The translation assembly comprises limit base, be arranged on execution bar in the limit base, can be combined into the nut of ball screw assembly, or lead screw pair with leading screw; The external part of carrying out bar is provided with connector, and the other end of carrying out bar is provided with blind hole, and nut is embedded in the blind hole, and limit base is provided with can be for carrying out the axially movable centre hole of bar; Motor is fixed on a side of bearing chamber together with gear pair, and limit base is fixed on the another side of bearing chamber; But brake system comprises and motor or the coaxial solid brake disc of leading screw and the brake facing of locking brake disc that brake disc and brake plate are formed braking brake.Between centre hole and execution bar anti-wearing liner can be set, anti-wearing liner adopts the preparation of graphite nylon material.
Be not limited to rotate if carry out the external part of bar, the limiting stopper of two evaginations then need be set in the circumference side of carrying out bar; On limit base, be provided with simultaneously and can supply two two position-limited troughs that limiting stopper slides vertically; This moment, limit base also needed to be provided with two cover plates that are used for airtight position-limited trough.Limiting stopper is bumping square or semicircle spherical protrusions.
The bearing on the axial both sides of spacing pillow block can adopt thrust baring, radial bearing.
In order to seal, between execution bar external part and limit base respective end, oil sealing can be set.
Also can a turnover gas filtering installation be set, simultaneously as oil hole at the limit base sidewall.
Position feedback mechanism is sent to the fork truck control system with the position of real-time detected electric ball screw.Car fork driving cylinder can detect the height off the ground that is forked object at any time when work, and can write down and store.
When the motor of the electronic cylinder of fork truck is not worked, the braking brake of brake system will pin the position of current electric ball screw; When the work of car fork electric motor, braking brake will unclamp automatically.
Claims (5)
1. high-efficiency and energy-saving type fork truck lift system, which comprises at least fork truck body (17), be connected the jaw frame (1) of fork truck body (17) front end, jaw (2) and guide frame (6), jaw frame (1) passes through guide groove (19) sliding block joint with guide frame (6), two jaws (2) on level one the first from left right side are by forked rod (3) and fixing, big arm driving cylinder (8) is connected the upper end of fork truck body (17) before about guide frame (6) upper end is passed through, guide frame (6) lower end and fork truck body (17) chassis are fixed, jaw frame (1) slides up and down at guide groove (19) at belts/chain (4) drive lower edge guide frame (6) and claims to move, article two, belts/chain (4) one ends and jaw frame (1) are fixing, the other end is fixed on the fork truck body (17), article two, flexibly connect by horizontal lifting bar (5) transition in the middle of the belts/chain (4), it is characterized in that: laterally vertically captive joint with the push rod (7) of electronic cylinder (9) in lifting bar (5) lower end, and electronic cylinder (9) is fixed on left-right symmetric position, guide frame (6) center.
2. a kind of high-efficiency and energy-saving type fork truck lift system according to claim 1, it is characterized in that: described electronic cylinder (9) comprises electrical motor (23), gear pair (21), gear case (24), transmission shaft (25), drive bearing (26) and push rod (7), electrical motor (23) is by change-speed box or direct connection gear pair (21), gear pair (21) is fixed in the gear case (24), gear pair (21) connects transmission shaft () 25 simultaneously, transmission shaft (25) is connected with drive bearing (26) bearing, gear pair (21) makes transmission shaft (25) and electrical motor (23) axle formation parallel construction, electrical motor (23) is connected with the operating mechanism (20) of fork truck body (17), starts by operating mechanism (20) control motor (23), stop, on move, move down.
3. a kind of high-efficiency and energy-saving type fork truck lift system according to claim 1, it is characterized in that: the electronic cylinder (9) in the described guide frame (6) is two groups, vertically establish between the framework of guide frame (6) left and right sides, the left electronic cylinder (13) of two groups of electronic cylinders and right electronic cylinder (14) are balanced to be arranged, left electronic cylinder (13) and the left push rod (15) of right electronic cylinder (14), right push rod (16) and horizontal vertical connection of lifting bar (5).
4. a kind of high-efficiency and energy-saving type fork truck lift system according to claim 1 is characterized in that: (9) position sensor in the described electronic cylinder; Position transduser is magnetic induction sensor or opto-electronic pickup, and the output signal of position transduser is sent into operating mechanism; Operating mechanism drives the push rod telescopic location that actuating unit is guaranteed electronic cylinder, reaches the raised position of control jaw (2).
5. a kind of high-efficiency and energy-saving type fork truck lift system according to claim 4, it is characterized in that: described push rod (7) is an electric ball screw, or the connector of electric ball screw, be used for the set position transduser along push rod straight line moving direction position sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010275746.5A CN101955140B (en) | 2010-09-08 | 2010-09-08 | High-efficiency energy-saving forklift hoisting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010275746.5A CN101955140B (en) | 2010-09-08 | 2010-09-08 | High-efficiency energy-saving forklift hoisting mechanism |
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| Publication Number | Publication Date |
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| CN101955140A true CN101955140A (en) | 2011-01-26 |
| CN101955140B CN101955140B (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010275746.5A Active CN101955140B (en) | 2010-09-08 | 2010-09-08 | High-efficiency energy-saving forklift hoisting mechanism |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161095A (en) * | 2011-03-30 | 2011-08-24 | 成都四星液压制造有限公司 | Mould cavity depth control device of magnetic material automatic wet press machine |
| CN103057949A (en) * | 2013-01-10 | 2013-04-24 | 浙江同济科技职业学院 | Mechanical carrying device |
| CN103879927A (en) * | 2014-03-28 | 2014-06-25 | 高佳太阳能股份有限公司 | Silicon wafer transferring forklift limiting mechanism |
| CN107188078A (en) * | 2017-06-09 | 2017-09-22 | 南通贝特医药机械有限公司 | Anti-drop device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0458184A1 (en) * | 1990-05-22 | 1991-11-27 | Linde Aktiengesellschaft | Fork lift truck |
| JP2001171990A (en) * | 1999-12-22 | 2001-06-26 | Nippon Yusoki Co Ltd | Forklift |
| CN100419304C (en) * | 2006-11-02 | 2008-09-17 | 上海交通大学 | Two stage speed changing directly driving mechanism |
| CN201264889Y (en) * | 2008-09-05 | 2009-07-01 | 晃益齿轮工业股份有限公司 | Ball bearing lead electric cylinder strengthening structure |
| CN101717060A (en) * | 2009-12-20 | 2010-06-02 | 曾卫东 | Fork lifting device and electric fork truck |
| CN101811652A (en) * | 2010-04-01 | 2010-08-25 | 张波 | Electric forklift |
-
2010
- 2010-09-08 CN CN201010275746.5A patent/CN101955140B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0458184A1 (en) * | 1990-05-22 | 1991-11-27 | Linde Aktiengesellschaft | Fork lift truck |
| JP2001171990A (en) * | 1999-12-22 | 2001-06-26 | Nippon Yusoki Co Ltd | Forklift |
| CN100419304C (en) * | 2006-11-02 | 2008-09-17 | 上海交通大学 | Two stage speed changing directly driving mechanism |
| CN201264889Y (en) * | 2008-09-05 | 2009-07-01 | 晃益齿轮工业股份有限公司 | Ball bearing lead electric cylinder strengthening structure |
| CN101717060A (en) * | 2009-12-20 | 2010-06-02 | 曾卫东 | Fork lifting device and electric fork truck |
| CN101811652A (en) * | 2010-04-01 | 2010-08-25 | 张波 | Electric forklift |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102161095A (en) * | 2011-03-30 | 2011-08-24 | 成都四星液压制造有限公司 | Mould cavity depth control device of magnetic material automatic wet press machine |
| CN103057949A (en) * | 2013-01-10 | 2013-04-24 | 浙江同济科技职业学院 | Mechanical carrying device |
| CN103879927A (en) * | 2014-03-28 | 2014-06-25 | 高佳太阳能股份有限公司 | Silicon wafer transferring forklift limiting mechanism |
| CN107188078A (en) * | 2017-06-09 | 2017-09-22 | 南通贝特医药机械有限公司 | Anti-drop device |
| CN107188078B (en) * | 2017-06-09 | 2023-03-10 | 南通贝特医药机械有限公司 | Anti-falling device |
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| Publication number | Publication date |
|---|---|
| CN101955140B (en) | 2015-01-28 |
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Denomination of invention: A high efficiency and energy saving forklift lifting mechanism Effective date of registration: 20210622 Granted publication date: 20150128 Pledgee: Bank of Xi'an Limited by Share Ltd. South Main Street subbranch Pledgor: SHAANXI GUOLI INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2021610000157 |
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