CN103787179B - Dual Drive elevating mechanism - Google Patents
Dual Drive elevating mechanism Download PDFInfo
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- CN103787179B CN103787179B CN201410044090.4A CN201410044090A CN103787179B CN 103787179 B CN103787179 B CN 103787179B CN 201410044090 A CN201410044090 A CN 201410044090A CN 103787179 B CN103787179 B CN 103787179B
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Abstract
The invention discloses a kind of Dual Drive elevating mechanism, it includes machine power simultaneously and drives elevating mechanism and hydraulic power to drive elevating mechanism two to overlap power drive elevating mechanism, and its two sets power drive elevating mechanism can work alone respectively, it is also possible to work simultaneously.A kind of Dual Drive elevating mechanism that the present invention provides, any of which a set of driving elevating mechanism breaks down, and other set drives elevating mechanism can enter main driving condition at once, it is achieved the continuous work of elevating mechanism.Meanwhile, in Dual Drive elevating mechanism, any a set of driving elevating mechanism is main driving when being operated, and other set drives elevating mechanism will to protect elevating mechanism automatically as safety guard, improves reliability and the security of elevating mechanism work.
Description
Technical field
The present invention relates to a kind of Dual Drive elevating mechanism, be specifically related to a kind of mechanical-hydraulic Dual Drive elevating mechanism, belong to electric and field of electromechanical technology.
Background technology
At present, elevating mechanism be widely used in lifting, load, the field such as transport, common elevating mechanism has driving, elevator etc..Mainly it is made up of lifting motor, reductor, cable wire, reel etc..Its basic functional principle is: by controlling the direction of rotation of lifting motor, drives the positive and negative rotation of reel, it is achieved the reel folding and unfolding to cable wire, completes the lifting promoting thing.But for certain some important occasion, such as the lifting of visual plant, need more consideration safety and reliability, so, once elevating mechanism breaks down, and on the one hand must have more safety precautions, prevents from promoting quickly falling of thing, damages and promote thing；On the other hand allow for fixing a breakdown rapidly, or the second set elevating mechanism can be started, it is ensured that elevating mechanism can normal and continuous operation.
For certain some more special occasion, for ensureing that elevating mechanism can normal and continuous operation, and improving reliability and the security of elevating mechanism work, it is within the contemplation of the invention that provide the technical scheme of a set of double dynamical driving elevating mechanism, the reliably working for elevating mechanism provides safeguard.
Summary of the invention
In order to improve reliability and the security of elevating mechanism work, the present invention provides a kind of Dual Drive elevating mechanism, and it includes machine power simultaneously and drives elevating mechanism and hydraulic power to drive elevating mechanism two to overlap power drive elevating mechanism.
In order to reach object above, technical scheme is as follows:
A kind of Dual Drive elevating mechanism, including: fixed frame and elevator platform, and include machine power jacking system and hydraulic power jacking system；
Described machine power jacking system includes lifting motor, reductor, gear, tooth bar；Described lifting motor is with brake apparatus；Described lifting motor is arranged on motor mount, and described motor mount is fixed on elevator platform；The left end of described lifting motor is provided with reductor, and the output shaft of described reductor is connected with gear, and the rotary motion of described lifting motor can pass to gear by reductor after being slowed down, and drives gear to rotate；Described tooth bar is arranged on the fixed frame left column of fixed frame, and engage each other with gear, slow down by the rotary motion of lifting motor being arranged on elevator platform and by reductor, drive gear to rotate, realize gear up and down motion in tooth bar vertical direction, it is achieved the lifting action of elevator platform.
Described hydraulic power jacking system includes under hydraulic system, oil cylinder, oil cylinder lower union joint, oil cylinder mounting seat, upper pin on mounting seat, lower bearing pin, oil cylinder；Described oil cylinder includes cylinder tube, cylinder upper end lid, piston, piston rod, bottom end cover, and on described oil cylinder, mounting seat is arranged on the fixed frame crossbeam of fixed frame, and described cylinder upper end lid is formed hinged by upper pin with mounting seat on oil cylinder；Under described oil cylinder, mounting seat is arranged on elevator platform, and the top of described oil cylinder lower union joint is connected with cylinder piston rod by screw thread, and described oil cylinder lower union joint bottom is formed hinged by lower bearing pin with mounting seat under oil cylinder；Described hydraulic system includes fuel tank, oil filter, oil pump, balancing overflow valve, overflow valve, solenoid directional control valve, hydraulic control one-way valve and some pipelines；Described pipeline is pipeline one, pipeline two, pipeline three, pipeline four, pipeline five, pipeline six, pipeline seven, pipeline eight, pipeline nine, it is connected by pipeline two between described fuel tank and oil filter, it is connected by pipeline three between described oil filter and oil pump, it is connected by pipeline four between described oil pump and solenoid directional control valve, is connected by pipeline five between described solenoid directional control valve and hydraulic control one-way valve；Piston and piston rod are connected with each other, there is in described oil cylinder cylinder upper cavity oil and oil cylinder cavity of resorption, hydraulic fluid port on oil through one, oil through two and oil cylinder is offered on described cylinder upper end lid, described cylinder upper cavity oil is connected with the pipeline six of hydraulic system by hydraulic fluid port on the oil through one on cylinder upper end lid, oil through two, oil cylinder, offering hydraulic fluid port under oil through three, oil through four and oil cylinder on described bottom end cover, described oil cylinder cavity of resorption is connected with the pipeline nine of hydraulic system by hydraulic fluid port under oil through three, oil through four, oil cylinder；Pipeline one is set between described balancing overflow valve and pipeline nine, pipeline seven is set between described hydraulic control one-way valve and pipeline six, pipeline eight is set between described hydraulic control one-way valve and pipeline nine；Described hydraulic system provides high-voltage oil liquid to oil cylinder, respectively enter cylinder upper cavity oil and the oil cylinder cavity of resorption of oil cylinder, piston driving piston rod can be driven, and moved up and down by mounting seat under piston rod, oil cylinder lower union joint, lower bearing pin, oil cylinder and elevator platform, it is achieved the lifting action of elevator platform.
The brake apparatus of above-mentioned lifting motor can realize braking by dead electricity to lifting motor, by electric realize releasing braking to lifting motor, the brake apparatus of described lifting motor has two kinds of mode of operations: independent working mode and co-ordination pattern；
Independent working mode: in lifting motor no power state, the brake apparatus of lifting motor can realize working independently, and i.e. passes through dead electricity and lifting motor is realized braking, electric to lifting motor realization releasing braking by obtaining；
Co-ordination pattern: the brake apparatus of lifting motor and lifting motor is energized simultaneously, brake apparatus releases braking, and lifting motor rotates；The brake apparatus of lifting motor and lifting motor dead electricity simultaneously, lifting motor stall, brake apparatus realizes braking to lifting motor.
Between above-mentioned fixed frame and elevator platform, guider is set.
Above-mentioned lifting motor is common electric machine or servomotor.
Balancing overflow valve and hydraulic control one-way valve in above-mentioned hydraulic system play balanced action, can be with the gravity of balance lifting frame.
The Median Function of the solenoid directional control valve in above-mentioned hydraulic system is " H " type.
Provide the benefit that: a kind of Dual Drive elevating mechanism that the present invention provides, it includes machine power simultaneously and drives elevating mechanism and hydraulic power to drive elevating mechanism two to overlap power drive elevating mechanism, its two sets power drive elevating mechanism can work alone respectively, it is also possible to work simultaneously.
A kind of Dual Drive elevating mechanism that the present invention provides, any of which a set of driving elevating mechanism breaks down, and other set drives elevating mechanism can enter main driving condition at once, it is achieved the continuous work of elevating mechanism.Meanwhile, in Dual Drive elevating mechanism, any a set of driving elevating mechanism is main driving when being operated, and other set drives elevating mechanism will to protect elevating mechanism automatically as safety guard, improves reliability and the security of elevating mechanism work.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is further described.
As it is shown in figure 1, a kind of Dual Drive elevating mechanism, including: fixed frame 1 and elevator platform 2, and include machine power jacking system and hydraulic power jacking system；
Machine power jacking system includes lifting motor 3, reductor 5, gear 6, tooth bar 7；Lifting motor 3 is with brake apparatus (accompanying drawing unreacted is out), the brake apparatus of lifting motor 3 can realize braking by dead electricity to lifting motor 3, by electric realize releasing braking to lifting motor 3, the brake apparatus of lifting motor 3 has two kinds of mode of operations: independent working mode and co-ordination pattern.Independent working mode: in lifting motor 3 no power state, the brake apparatus of lifting motor 3 can realize working independently, and i.e. passes through dead electricity and lifting motor 3 is realized braking, electric to lifting motor 3 realization releasing braking by obtaining.Co-ordination pattern: the brake apparatus of lifting motor 3 and lifting motor 3 is energized simultaneously, brake apparatus releases braking, and lifting motor 3 rotates；The brake apparatus of lifting motor 3 and lifting motor 3 dead electricity simultaneously, lifting motor 3 stall, brake apparatus realizes braking to lifting motor 3.
Lifting motor 3 is arranged on motor mount 4, and motor mount 4 is fixed on elevator platform 2.The left end of lifting motor 3 is provided with reductor 5, and the output shaft of reductor 5 is connected with gear 6, and the rotary motion of lifting motor 3 can pass to gear 6 after being slowed down by reductor 5, drives gear 6 to rotate.Tooth bar 7 is arranged on the fixed frame left column 8 of fixed frame 1, and engages each other with gear 6.Slow down by the rotary motion of lifting motor 3 being arranged on elevator platform 2 and by reductor 5, drive gear 6 to rotate, it is achieved the gear 6 up and down motion in tooth bar 7 vertical direction, it is achieved the lifting action of elevator platform 2.
Hydraulic power jacking system includes under hydraulic system, oil cylinder, oil cylinder lower union joint 16, oil cylinder mounting seat 10, upper pin 11 on mounting seat 17, lower bearing pin 18, oil cylinder.Oil cylinder includes cylinder tube, cylinder upper end lid 12, piston 13, piston rod 14, bottom end cover 15, and on oil cylinder, mounting seat 10 is arranged on the fixed frame crossbeam 9 of fixed frame 1, and cylinder upper end lid 12 is formed hinged by upper pin 11 with mounting seat on oil cylinder 10.Under oil cylinder, mounting seat 17 is arranged on elevator platform 2, and oil cylinder lower union joint 16 top is connected with cylinder piston rod 14 by screw thread, and oil cylinder lower union joint 16 bottom is formed hinged by lower bearing pin 18 with mounting seat under oil cylinder 17.Hydraulic system includes fuel tank 27, oil filter 31, oil pump 32, balancing overflow valve 28, overflow valve 30, solenoid directional control valve 33, hydraulic control one-way valve 34 and some pipelines.Pipeline is pipeline 1, pipeline 2 35, pipeline 3 36, pipeline 4 37, pipeline 5 38, pipeline 6 39, pipeline 7 40, pipeline 8 41, pipeline 9 42, it is connected by pipeline 2 35 between fuel tank 27 with oil filter 31, it is connected by pipeline 3 36 between oil filter 31 with oil pump 32, it is connected by pipeline 4 37 between oil pump 32 with solenoid directional control valve 33, is connected by pipeline 5 38 between solenoid directional control valve 33 with hydraulic control one-way valve 34；Piston 13 and piston rod 14 are connected with each other, there is in oil cylinder cylinder upper cavity oil 25 and oil cylinder cavity of resorption 26, hydraulic fluid port 24 on oil through 1, oil through 2 23 and oil cylinder is offered on cylinder upper end lid 12, cylinder upper cavity oil 25 is connected with the pipeline 6 39 of hydraulic system by hydraulic fluid port 24 on the oil through 1 on cylinder upper end lid 12, oil through 2 23, oil cylinder, offering hydraulic fluid port 21 under oil through 3 19, oil through 4 20 and oil cylinder on bottom end cover 15, oil cylinder cavity of resorption 26 is connected with the pipeline 9 42 of hydraulic system by hydraulic fluid port 21 under oil through 3 19, oil through 4 20, oil cylinder.Pipeline 1 is set between balancing overflow valve 28 and pipeline 9 42, pipeline 7 40 is set between hydraulic control one-way valve 34 and pipeline 6 39, pipeline 8 41 is set between hydraulic control one-way valve 34 and pipeline 9 42.Hydraulic system provides high-voltage oil liquid to oil cylinder, respectively enter cylinder upper cavity oil 25 and the oil cylinder cavity of resorption 26 of oil cylinder, piston 13 can be driven to drive piston rod 14, and moved up and down by mounting seat 17 under piston rod 14, oil cylinder lower union joint 16, lower bearing pin 18, oil cylinder and elevator platform 2, it is achieved the lifting action of elevator platform 2.
Guider can be set between fixed frame 1 and elevator platform 2；Lifting motor 3 can be common electric machine, it is also possible to be servomotor；Balancing overflow valve 28 and hydraulic control one-way valve 34 in hydraulic system play balanced action, can be with the gravity of balance lifting frame.The Median Function of the solenoid directional control valve 33 in hydraulic system is " H " type.
A kind of Dual Drive elevating mechanism that the present invention provides, the machine power that it comprises drives elevating mechanism and hydraulic power to drive elevating mechanism can work alone respectively, it is also possible to work simultaneously.
The principle that works alone of machine power driving elevating mechanism:
(1), by drive installation lifting motor 3 on elevator platform 2 produce rotary motion, and slow down by reductor 5, drive gear 6 to rotate, it is achieved the gear 6 up and down motion in tooth bar 7 vertical direction, it is achieved the lifting action of elevator platform 2.By changing the rotary motion direction of lifting motor 3, lifting and the down maneuver of elevator platform 2 can be realized respectively.When lifting motor 3 works, the brake apparatus of lifting motor 3 is in "on" position, releases and brakes lifting motor 3.
(2), lifting motor 3 is when quitting work, and the brake apparatus of lifting motor 3 is in off-position, it is achieved the braking to lifting motor 3.
The principle that works alone of hydraulic power driving elevating mechanism:
null(1)、Hydraulic power drives the lifting state of elevating mechanism: solenoid directional control valve 33 is in right position duty，The oil-in of oil pump 32 passes through oil filter 31 oil suction from fuel tank 27，The hydraulic oil of oil pump 32 oil-out passes through pipeline 4 37、The right position of solenoid directional control valve 33、Pipeline 5 38、Hydraulic control one-way valve 34、Pipeline 8 41、Pipeline 9 42、Hydraulic fluid port 21 under oil cylinder、Oil through 4 20、Oil through 3 19 enters oil cylinder cavity of resorption 26，Oil pressure acts on piston 13，Form lifting force，By piston rod 14、Oil cylinder lower union joint 16、Lower bearing pin 18、Mounting seat 17 under oil cylinder，Overcome the gravity of elevator platform 2，Realize the enhancing action to elevator platform 2，The hydraulic oil of cylinder upper cavity oil 25 passes through oil through 1、Oil through 2 23、Hydraulic fluid port 24 on oil cylinder、Pipeline 6 39、The right position of solenoid directional control valve 33 returns to fuel tank 27.
null(2)、Hydraulic power drives the decline state of elevating mechanism: solenoid directional control valve 33 is in left position duty，The oil-in of oil pump 32 passes through oil filter 31 oil suction from fuel tank 27，The hydraulic oil of oil pump 32 oil-out passes through pipeline 4 37、The left position of solenoid directional control valve 33、Pipeline 6 39、Hydraulic fluid port 24 on oil cylinder、Oil through 2 23、Oil through 1 enters cylinder upper cavity oil 25，Oil pressure acts on piston 13，Produce downward thrust，And by piston rod 14、Oil cylinder lower union joint 16、Lower bearing pin 18、Mounting seat 17 under oil cylinder，Move downwardly together with elevator platform 2，Realize the down maneuver to elevator platform 2，The hydraulic oil of oil cylinder cavity of resorption 26 passes through oil through 3 19、Oil through 4 20、Hydraulic fluid port 21 under oil cylinder、Pipeline 9 42、Pipeline 8 41、Hydraulic control one-way valve 34、Pipeline 5 38、The left position of solenoid directional control valve 33 returns to fuel tank 27.
(3), hydraulic power drives the halted state of elevating mechanism: solenoid directional control valve 33 is in middle position duty, if oil pump 32 does not quits work, the oil-in of oil pump 32 passes through oil filter 31 oil suction from fuel tank 27, the fluid of oil pump 32 oil-out passes through pipeline 4 37, in solenoid directional control valve 33, position returns to fuel tank 27, the gravity of elevator platform is by mounting seat 17 under oil cylinder, lower bearing pin 18, oil cylinder lower union joint 16, piston rod 14 acts on piston 13, the fluid of oil cylinder cavity of resorption 26 is at balancing overflow valve 28, under the common effect of hydraulic control one-way valve 34, it is sealed, cannot flow, oil cylinder cavity of resorption 26 forms corresponding oil pressure, the gravity of balance lifting frame 2, elevator platform 2 is made to be in halted state.
When driving elevating mechanism to be main driving with machine power, the operation principle of hydraulic power driving elevating mechanism:
Oil pump 34 is in the state of quitting work, and solenoid directional control valve 33 is in middle position duty.
(1), the lifting state of elevating mechanism 2: the brake apparatus of lifting motor 3 is in "on" position, release and lifting motor 3 is braked, lifting motor 3 rotates forward, gear 6 is driven to rotate forward by reductor 5, gear 6 engages each other with tooth bar 7, overcome the gravity of elevator platform 2, it is achieved the enhancing action of elevator platform 2.While elevator platform 2 promotes, piston 13 is driven to move upward by mounting seat under oil cylinder 17, lower bearing pin 18, oil cylinder lower union joint 16, piston rod 14, now, oil cylinder cavity of resorption 26 draws fluid by position in hydraulic fluid port 21, pipeline 9 42, pipeline 8 41, hydraulic control one-way valve 34, pipeline 5 38, solenoid directional control valve 33 under oil through 3 19, oil through 4 20, oil cylinder from fuel tank 27, the hydraulic oil of cylinder upper cavity oil 25 returns to fuel tank 27 by position in hydraulic fluid port 24, pipeline 6 39, solenoid directional control valve 33 on oil through 1, oil through 2 23, oil cylinder, and oil cylinder is in servo-actuated state.
(2), the decline state of elevating mechanism 2: the brake apparatus of lifting motor 3 is in "on" position, releasing and brake lifting motor 3, lifting motor 3 rotates backward, and drives gear 6 to rotate backward by reductor 5, gear 6 engages each other with tooth bar 7, it is achieved the down maneuver of elevator platform 2.While elevator platform 2 declines, driving piston 13 to move downward by mounting seat under oil cylinder 17, lower bearing pin 18, oil cylinder lower union joint 16, piston rod 14, the hydraulic oil of oil cylinder cavity of resorption 26 returns to fuel tank 27 by hydraulic fluid port 21, pipeline 9 42, pipeline 1, balancing overflow valve 28 under oil through 3 19, oil through 4 20, oil cylinder；Cylinder upper cavity oil 25 draws fluid by position in hydraulic fluid port 24, pipeline 6 39, solenoid directional control valve 33 on oil through 1, oil through 2 23, oil cylinder from fuel tank 27, and oil cylinder is in servo-actuated state.
(3), the halted state of elevating mechanism 2: lifting motor 3 is in power down mode, and the brake apparatus of lifting motor 3 is in power down mode, brakes lifting motor 3, gear 6 stall, elevator platform 2 stop motion.Once, the brake apparatus of lifting motor 3 breaks down, it is impossible to realize braking lifting motor 3, and hydraulic power drives elevating mechanism to play a protective role.Owing to the brake apparatus of lifting motor 3 breaks down, cannot realize lifting motor 3 is braked, the gravity of elevator platform 2 acts on piston 13 by mounting seat 17, lower bearing pin 18, oil cylinder lower union joint 16, piston rod 14 under oil cylinder, the fluid of oil cylinder cavity of resorption 26 balancing overflow valve 28, hydraulic control one-way valve 34 common effect under, it is sealed, cannot flow, oil cylinder cavity of resorption 26 forms corresponding oil pressure, the gravity of balance lifting frame 2, elevator platform 2 is made to be in halted state, avoid elevator platform 2 to fall, produce loss.
When driving elevating mechanism to be main driving with hydraulic power, the state of machine power driving elevating mechanism:
(1), hydraulic power drive elevating mechanism elevator platform 2 to be promoted and during down maneuver, lifting motor 3 is in power down mode, and the brake apparatus of lifting motor 3 is in "on" position, releases the braking to lifting motor 3, and lifting motor 3 is in servo-actuated state.
(2), hydraulic power drive elevating mechanism when quitting work, lifting motor 3 is in power down mode, and the brake apparatus of lifting motor 3 is in power down mode, and the realization to lifting motor 3 is braked, and plays a protective role elevator platform 2.
Provide the benefit that: a kind of Dual Drive elevating mechanism that the present invention provides, it includes machine power simultaneously and drives elevating mechanism and hydraulic power to drive elevating mechanism two to overlap power drive elevating mechanism, its two sets power drive elevating mechanism can work alone respectively, it is also possible to work simultaneously.
A kind of Dual Drive elevating mechanism that the present invention provides, any of which a set of driving elevating mechanism breaks down, and other set drives elevating mechanism can enter main driving condition at once, it is achieved the continuous work of elevating mechanism.Meanwhile, in Dual Drive elevating mechanism, any a set of driving elevating mechanism is main driving when being operated, and other set drives elevating mechanism will to protect elevating mechanism automatically as safety guard, improves reliability and the security of elevating mechanism work.
The above is only the preferred embodiment of the present invention; it is noted that, for those skilled in the art; under the premise without departing from the principles of the invention, it is also possible to make some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a Dual Drive elevating mechanism, it is characterised in that including: fixed frame and elevator platform, and include machine power jacking system and hydraulic power jacking system；
Described machine power jacking system includes lifting motor, reductor, gear, tooth bar；Described lifting motor is with brake apparatus；Described lifting motor is arranged on motor mount, and described motor mount is fixed on elevator platform；The left end of described lifting motor is provided with reductor, and the output shaft of described reductor is connected with gear, and the rotary motion of described lifting motor passes to gear by reductor after being slowed down, and drives gear to rotate；Described tooth bar is arranged on the fixed frame left column of fixed frame, and engage each other with gear, slow down by the rotary motion of lifting motor being arranged on elevator platform and by reductor, drive gear to rotate, realize gear up and down motion in tooth bar vertical direction, it is achieved the lifting action of elevator platform；
Described hydraulic power jacking system includes under hydraulic system, oil cylinder, oil cylinder lower union joint, oil cylinder mounting seat, upper pin on mounting seat, lower bearing pin, oil cylinder；Described oil cylinder includes cylinder tube, cylinder upper end lid, piston, piston rod, bottom end cover, and on described oil cylinder, mounting seat is arranged on the fixed frame crossbeam of fixed frame, and described cylinder upper end lid is formed hinged by upper pin with mounting seat on oil cylinder；Under described oil cylinder, mounting seat is arranged on elevator platform, and the top of described oil cylinder lower union joint is connected with cylinder piston rod by screw thread, and described oil cylinder lower union joint bottom is formed hinged by lower bearing pin with mounting seat under oil cylinder；Described hydraulic system includes fuel tank, oil filter, oil pump, balancing overflow valve, overflow valve, solenoid directional control valve, hydraulic control one-way valve and some pipelines；Described some pipelines are pipeline one, pipeline two, pipeline three, pipeline four, pipeline five, pipeline six, pipeline seven, pipeline eight, pipeline nine；It is connected by pipeline two between described fuel tank and oil filter, it is connected by pipeline three between described oil filter and oil pump, it is connected by pipeline four between described oil pump and solenoid directional control valve, it is connected by pipeline five between described solenoid directional control valve and hydraulic control one-way valve, piston and piston rod are connected with each other, there is in described oil cylinder cylinder upper cavity oil and oil cylinder cavity of resorption, oil through one is offered on described cylinder upper end lid, hydraulic fluid port on oil through two and oil cylinder, described cylinder upper cavity oil is by the oil through one on cylinder upper end lid, oil through two, on oil cylinder, hydraulic fluid port is connected with the pipeline six of hydraulic system, oil through three is offered on described bottom end cover, hydraulic fluid port under oil through four and oil cylinder, described oil cylinder cavity of resorption passes through oil through three, oil through four, under oil cylinder, hydraulic fluid port is connected with the pipeline nine of hydraulic system；Pipeline one is set between described balancing overflow valve and pipeline nine, pipeline seven is set between described hydraulic control one-way valve and pipeline six, pipeline eight is set between described hydraulic control one-way valve and pipeline nine；Described hydraulic system provides high-voltage oil liquid to oil cylinder, respectively enter cylinder upper cavity oil and the oil cylinder cavity of resorption of oil cylinder, drive piston driving piston rod, and moved up and down by mounting seat under piston rod, oil cylinder lower union joint, lower bearing pin, oil cylinder and elevator platform, it is achieved the lifting action of elevator platform.
Dual Drive elevating mechanism the most according to claim 1, it is characterized in that: the brake apparatus of described lifting motor realizes braking by dead electricity to lifting motor, by electric realize releasing braking to lifting motor, the brake apparatus of described lifting motor has two kinds of mode of operations: independent working mode and co-ordination pattern；
Independent working mode: in lifting motor no power state, the brake apparatus realization of lifting motor works independently, and i.e. passes through dead electricity and lifting motor is realized braking, electric to lifting motor realization releasing braking by obtaining；
Co-ordination pattern: the brake apparatus of lifting motor and lifting motor is energized simultaneously, brake apparatus releases braking, and lifting motor rotates；The brake apparatus of lifting motor and lifting motor dead electricity simultaneously, lifting motor stall, brake apparatus realizes braking to lifting motor.
Dual Drive elevating mechanism the most according to claim 1, it is characterised in that: between described fixed frame and elevator platform, guider is set.
Dual Drive elevating mechanism the most according to claim 1, it is characterised in that: described lifting motor is servomotor.
Dual Drive elevating mechanism the most according to claim 1, it is characterised in that: balancing overflow valve and hydraulic control one-way valve in described hydraulic system play balanced action, the gravity of balance lifting frame.
Dual Drive elevating mechanism the most according to claim 1, it is characterised in that: the Median Function of the solenoid directional control valve in described hydraulic system is " H " type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410044090.4A CN103787179B (en) | 2014-01-29 | 2014-01-29 | Dual Drive elevating mechanism |
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| CN201410044090.4A CN103787179B (en) | 2014-01-29 | 2014-01-29 | Dual Drive elevating mechanism |
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| CN103787179A CN103787179A (en) | 2014-05-14 |
| CN103787179B true CN103787179B (en) | 2016-09-07 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125570U (en) * | 1992-01-14 | 1992-12-23 | 陈述 | Power saving speed-limiting safety lift container |
| WO1999033740A1 (en) * | 1997-12-29 | 1999-07-08 | Emile Kadoche | Hydraulic lift actuating device |
| CN102701051A (en) * | 2012-04-18 | 2012-10-03 | 林智勇 | Gear driving elevator |
| CN202808123U (en) * | 2012-08-22 | 2013-03-20 | 中国建筑科学研究院建筑机械化研究分院 | Double-guide-pillar large load capacity hoisting lifting equipment |
| CN203740823U (en) * | 2014-01-29 | 2014-07-30 | 中交天津航道局有限公司 | Dual-driven lifting mechanism |
-
2014
- 2014-01-29 CN CN201410044090.4A patent/CN103787179B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2125570U (en) * | 1992-01-14 | 1992-12-23 | 陈述 | Power saving speed-limiting safety lift container |
| WO1999033740A1 (en) * | 1997-12-29 | 1999-07-08 | Emile Kadoche | Hydraulic lift actuating device |
| CN102701051A (en) * | 2012-04-18 | 2012-10-03 | 林智勇 | Gear driving elevator |
| CN202808123U (en) * | 2012-08-22 | 2013-03-20 | 中国建筑科学研究院建筑机械化研究分院 | Double-guide-pillar large load capacity hoisting lifting equipment |
| CN203740823U (en) * | 2014-01-29 | 2014-07-30 | 中交天津航道局有限公司 | Dual-driven lifting mechanism |
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