CN103754738A - Double-driving lifting mechanism - Google Patents
Double-driving lifting mechanism Download PDFInfo
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- CN103754738A CN103754738A CN201410043267.9A CN201410043267A CN103754738A CN 103754738 A CN103754738 A CN 103754738A CN 201410043267 A CN201410043267 A CN 201410043267A CN 103754738 A CN103754738 A CN 103754738A
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Abstract
The invention discloses a double-driving lifting mechanism. The double-driving lifting mechanism is provided with a mechanical power driving lifting mechanism and a hydraulic power driving lifting mechanism at the same time, wherein the two sets of power driving lifting mechanisms can work independently or simultaneously. According to the double-driving lifting mechanism, when any one set of driving lifting mechanism breaks down, the other set of driving lifting mechanism can enter a main driving state immediately and realize continuous working of the lifting mechanism. Meanwhile, in the double-driving lifting mechanism, when any set of driving lifting mechanism works in a main driving state, the other set of driving lifting mechanism will automatically serve as a safety protective device to protect the lifting mechanism, and the working reliability and safety of the lifting mechanism are improved.
Description
Technical field
The present invention relates to a kind of Dual Drive lifting mechanism, be specifically related to a kind of mechanical-hydraulic Dual Drive lifting mechanism, belong to electric and mechanical & electrical technology field.
Background technology
At present, lifting mechanism is widely used in the fields such as lifting, loading, transportation, and common lifting mechanism has driving, elevator etc.Mainly contain the compositions such as lifting motor, reductor, cable wire, reel.Its basic functional principle is: by controlling the hand of rotation of lifting motor, drive the positive and negative rotation of reel, realize the folding and unfolding of reel to cable wire, complete promoting the lifting of thing.But for certain some important occasion, as the lifting of visual plant, need more consideration safety and reliabilities, so, once lifting mechanism et out of order must have more safety precautions on the one hand, prevent from promoting falling fast of thing, damage and promote thing; On the other hand must be rapidly trouble-shooting, or can start the second cover lifting mechanism, assurance lifting mechanism can normal and continuous operation.
For certain some more special occasion, for guaranteeing that lifting mechanism can normal and continuous operation, and the reliability and the safety that improve lifting mechanism work, the present invention is desirable to provide the technical scheme of a set of double dynamical driving lifting mechanism, for the reliable operation of lifting mechanism provides safeguard.
Summary of the invention
In order to improve reliability and the safety of lifting mechanism work, the invention provides a kind of Dual Drive lifting mechanism, it includes mechanical power simultaneously and drives lifting mechanism and hydraulic power to drive lifting mechanism two cover power driven lifting mechanisms.
In order to reach above object, technical scheme of the present invention is as follows:
A Dual Drive lifting mechanism, comprising: fixed frame and elevator platform, and comprise mechanical power jacking system and hydraulic power jacking system;
Described mechanical power jacking system comprises lifting motor, reductor, gear, tooth bar; Described lifting motor is with brake equipment; 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 rotatablely moving of described lifting motor passes to gear after can slowing down by reductor, driven wheel rotation; Described tooth bar is arranged on the fixed frame left column of fixed frame, and intermeshing with gear, by be arranged on lifting motor on elevator platform rotatablely move and by reductor slow down, driven wheel rotates, realize the up-and-down movement of gear in tooth bar vertical direction, realize the lifting action of elevator platform;
Described hydraulic pressure power-driven system comprises hydraulic efficiency pressure system, HM Hydraulic Motor, gear, tooth bar; Described HM Hydraulic Motor is arranged on HM Hydraulic Motor mount pad, and described HM Hydraulic Motor mount pad is fixed on elevator platform; On the output shaft of described HM Hydraulic Motor, gear is installed; Described tooth bar is arranged on fixed frame right column, and intermeshing with gear; Described HM Hydraulic Motor has in HM Hydraulic Motor hydraulic fluid port under hydraulic fluid port and HM Hydraulic Motor; In described HM Hydraulic Motor, in hydraulic fluid port, screw plug is installed, on screw plug, offers damping hole, on the right side of screw plug, also have oil through; Described hydraulic efficiency pressure system comprises fuel tank, oil filter, oil pump, balancing overflow valve, by pass 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; In described HM Hydraulic Motor, hydraulic fluid port is connected with the pipeline seven of hydraulic efficiency pressure system, and under HM Hydraulic Motor, hydraulic fluid port is connected with the pipeline five of hydraulic efficiency pressure system, and the other end of the pipeline five of hydraulic efficiency pressure system is directly connected with fuel tank; When hydraulic efficiency pressure system by pipeline seven and HM Hydraulic Motor on hydraulic fluid port while providing high pressure oil to HM Hydraulic Motor epicoele, can drive HM Hydraulic Motor to be rotated in the forward, and be rotated in the forward by output shaft driven gear, gear, by being meshed with the tooth bar being arranged on fixed frame right column, is realized the enhancing action of elevator platform; When hydraulic efficiency pressure system provides high pressure oil by pipeline to the control mouth of hydraulic control one-way valve, hydraulic control one-way valve is oppositely opened, the gravity of elevator platform changes into the load moment of gear, and pass to HM Hydraulic Motor by the output shaft of HM Hydraulic Motor, drive HM Hydraulic Motor contrarotation, realize the down maneuver of elevator platform.
The brake equipment of above-mentioned lifting motor can be realized braking to lifting motor by dead electricity, and by must electricly realizing brake off to lifting motor, the brake equipment of lifting motor has two kinds of mode of operations: independent working mode and co-ordination pattern;
Independent working mode: at lifting motor no power state, the brake equipment of lifting motor can be realized and working independently, realizes braking by dead electricity to lifting motor, by must electricly realizing brake off to lifting motor;
Co-ordination pattern: the brake equipment of lifting motor and lifting motor is switched on simultaneously, brake equipment brake off, lifting motor rotation; The brake equipment of lifting motor and lifting motor is dead electricity simultaneously, lifting motor stall, and brake equipment is realized braking to lifting motor.
Between above-mentioned fixed frame and elevator platform, guide piece 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 efficiency pressure system play equilibrium activity, gravity that can balance lifting frame.
The Median Function of the solenoid directional control valve in above-mentioned hydraulic efficiency pressure system is " H " type.
Beneficial effect is: a kind of Dual Drive lifting mechanism provided by the invention, it includes mechanical power simultaneously and drives lifting mechanism and hydraulic power to drive lifting mechanism two cover power driven lifting mechanisms, its two covers power driven lifting mechanism can work alone respectively, also can work simultaneously.
A kind of Dual Drive lifting mechanism provided by the invention, any a set of driving lifting mechanism et out of order wherein, a set of driving lifting mechanism can enter main driving condition at once in addition, realizes the continuous working of lifting mechanism.Simultaneously; in Dual Drive lifting mechanism, any a set of driving lifting mechanism is that main driving is while carrying out work; a set of driving lifting mechanism will be automatically as safety guard in addition, and lifting mechanism is protected, and has improved reliability and the safety of lifting mechanism work.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As shown in Figure 1, a kind of Dual Drive lifting mechanism, comprising: fixed frame 1 and elevator platform 2, and comprise mechanical power jacking system and hydraulic power jacking system;
Described mechanical power jacking system comprises lifting motor 3, reductor 5, gear 6, tooth bar 7; Lifting motor 3 is with brake equipment (accompanying drawing unreacted out), the brake equipment of lifting motor 3 can be realized braking to lifting motor 3 by dead electricity, by must electricly realizing brake off to lifting motor 3, the brake equipment of lifting motor 3 has two kinds of mode of operations: independent working mode and co-ordination pattern.Independent working mode: at lifting motor 3 no power states, the brake equipment of lifting motor 3 can be realized and working independently, realizes braking by dead electricity to lifting motor 3, by must electricly realizing brake off to lifting motor 3.Co-ordination pattern: the brake equipment of lifting motor 3 and lifting motor 3 is switched on simultaneously, brake equipment brake off, lifting motor 3 rotations; The brake equipment of lifting motor 3 and lifting motor 3 is dead electricity simultaneously, lifting motor 3 stalls, and brake equipment is realized braking to lifting motor 3.
Hydraulic pressure power-driven system comprises hydraulic efficiency pressure system, HM Hydraulic Motor 10, gear 12, tooth bar 14.HM Hydraulic Motor 10 is arranged on HM Hydraulic Motor mount pad 11, and HM Hydraulic Motor mount pad 11 is fixed on elevator platform 2.Gear 12 is installed on the output shaft of HM Hydraulic Motor 10.Tooth bar 14 is arranged on fixed frame right column 13, and intermeshing with gear 12.HM Hydraulic Motor 10 has in HM Hydraulic Motor hydraulic fluid port 16 under hydraulic fluid port 15 and HM Hydraulic Motor.Screw plug 17 is installed in hydraulic fluid port 15 in HM Hydraulic Motor, on screw plug 17, offers damping hole 18.On the right side of screw plug 17, also has oil through 19.Hydraulic efficiency pressure system comprises fuel tank 20, oil filter 23, oil pump 24, balancing overflow valve 21, by pass valve 22, solenoid directional control valve 25, hydraulic control one-way valve 26 and some pipelines.Pipeline is pipeline 1, pipeline 2 28, pipeline 3 29, pipeline 4 30, pipeline 5 31, pipeline 6 32, pipeline 7 33, pipeline 8 34.In HM Hydraulic Motor, hydraulic fluid port 15 is connected with the pipeline 7 33 of hydraulic efficiency pressure system, and under HM Hydraulic Motor, hydraulic fluid port 16 is connected with the pipeline 5 31 of hydraulic efficiency pressure system, and the other end of the pipeline 5 31 of hydraulic efficiency pressure system is directly connected with fuel tank 20.When hydraulic efficiency pressure system by pipeline 7 33 and HM Hydraulic Motor on hydraulic fluid port 15 while providing high pressure oil to HM Hydraulic Motor epicoele, can drive HM Hydraulic Motor 10 to be rotated in the forward, and be rotated in the forward by output shaft driven gear 12, gear 12, by being meshed with the tooth bar 14 being arranged on fixed frame right column 13, is realized the enhancing action of elevator platform 2.When hydraulic efficiency pressure system provides high pressure oil by pipeline 6 32 to the control mouth of hydraulic control one-way valve 26, hydraulic control one-way valve 26 is oppositely opened, the gravity of elevator platform 2 changes into the load moment of gear 12, and pass to HM Hydraulic Motor 10 by the output shaft of HM Hydraulic Motor 10, drive HM Hydraulic Motor 10 contrarotations, realize the down maneuver of elevator platform 2.
Between fixed frame 1 and elevator platform 2, guide piece can be set; Lifting motor 3 can be common electric machine, can be also servomotor; Balancing overflow valve 21 and hydraulic control one-way valve 26 in hydraulic efficiency pressure system play equilibrium activity, gravity that can balance lifting frame.The Median Function of the solenoid directional control valve 25 in hydraulic efficiency pressure system is " H " type.
A kind of Dual Drive lifting mechanism provided by the invention, the mechanical power that it comprises drives lifting mechanism and hydraulic power to drive lifting mechanism can work alone respectively, also can work simultaneously.
Mechanical power drives the principle that works alone of lifting mechanism:
(1) lifting motor 3, by drive installation on elevator platform 2 produces and rotatablely moves, and by reductor 5 decelerations, driven wheel 6 rotations, realizes the up-and-down movement of gear 6 in tooth bar 7 vertical direction, realizes the lifting action of elevator platform 2.By changing the direction that rotatablely moves of lifting motor 3, can realize respectively lifting and the down maneuver of elevator platform 2.During lifting motor 3 work, the brake equipment of lifting motor 3, in "on" position, is removed lifting motor 3 brakings.
(2), lifting motor 3 is when quit work, the brake equipment of lifting motor 3, in off-position, is realized the braking to lifting motor 3.
Hydraulic power drives the principle that works alone of lifting mechanism:
(1), hydraulic power drives the lifting state of lifting mechanism: solenoid directional control valve 25 is in right position mode of operation, the oil inlet of oil pump 24 is by oil filter 23 oil suction from fuel tank 20, the high pressure oil of oil pump 24 oil outlets is by pipeline 3 29, the right position of solenoid directional control valve 25, pipeline 4 30, hydraulic control one-way valve 26, pipeline 7 33, in HM Hydraulic Motor, hydraulic fluid port 15, damping hole 18, oil through 19 enters HM Hydraulic Motor 10 epicoeles, drive HM Hydraulic Motor 10 to be rotated in the forward, and be rotated in the forward by output shaft driven gear 12, gear 12 is by being meshed with the tooth bar 14 being arranged on fixed frame right column 13, overcome the gravity of elevator platform 2, realize the enhancing action of elevator platform 2.The low pressure oil of HM Hydraulic Motor 10 cavity of resorptions is got back to fuel tank 20 by hydraulic fluid port under HM Hydraulic Motor 16, pipeline 5 31.
(2), hydraulic power drives the decline state of lifting mechanism: solenoid directional control valve 25 is in left position mode of operation, the oil inlet of oil pump 24 is by oil filter 23 oil suction from fuel tank 20, the high pressure oil of oil pump 24 oil outlets is by pipeline 3 29, the left position of solenoid directional control valve 25, pipeline 6 32 enters the control port of hydraulic control one-way valve 26, hydraulic control one-way valve 26 is oppositely opened, the gravity of elevator platform 2 changes into the load moment of gear 12, and pass to HM Hydraulic Motor 10 by the output shaft of HM Hydraulic Motor 10, drive HM Hydraulic Motor 10 contrarotations, realize the down maneuver of elevator platform 2.HM Hydraulic Motor 10 cavity of resorptions are drawn fluid by hydraulic fluid port under HM Hydraulic Motor 16, pipeline 5 31 from fuel tank 20; The low pressure oil of HM Hydraulic Motor 10 epicoeles is got back to fuel tank 20 by hydraulic fluid port 15, pipeline 7 33, hydraulic control one-way valve 26, pipeline 4 30, the left position of solenoid directional control valve 25 in HM Hydraulic Motor 10 oil throughs 19, damping hole 18, HM Hydraulic Motor.
(3), hydraulic power drives the halted state of lifting mechanism: solenoid directional control valve 25 is in meta mode of operation, if oil pump 24 does not quit work, the oil inlet of oil pump 24 is by oil filter 23 oil suction from fuel tank 20, the fluid of oil pump 24 oil outlets is by pipeline 3 29, solenoid directional control valve 25 metas are got back to fuel tank, the gravity of elevator platform 2 is the engagement with tooth bar 14 by gear 12, and change into the load moment on HM Hydraulic Motor 10 output shafts, at HM Hydraulic Motor 10 epicoeles, form high pressure oil, due to balancing overflow valve 21, under the combined action of hydraulic control one-way valve 26, the gravity of elevator platform 2 forms high pressure oil at HM Hydraulic Motor 10 epicoeles and is closed, cannot flow, the gravity of elevator platform 2 is balanced, make elevator platform in halted state.
When the mechanical power of take drives lifting mechanism as main driving, hydraulic power drives the principle of work of lifting mechanism:
Oil pump 24 is in the state of quitting work, and solenoid directional control valve 25 is in meta mode of operation.
(1), the lifting state of lifting mechanism 2: the brake equipment of lifting motor 2 is in "on" position, releasing is to lifting motor 2 brakings, lifting motor 2 forward rotation, by reductor 5 driven wheel 6 forward rotation, gear 6 is intermeshing with tooth bar 7, overcome the gravity of elevator platform 2, realize the enhancing action of elevator platform 2.When elevator platform 2 promotes, gear 12 drives HM Hydraulic Motor 10 to be rotated in the forward with the engagement of tooth bar 14, HM Hydraulic Motor 10 epicoeles are drawn fluid by hydraulic fluid port 15, pipeline 7 33, hydraulic control one-way valve 26, pipeline 4 30, solenoid directional control valve 25 metas in oil through 19, damping hole 18, HM Hydraulic Motor from fuel tank 20, the hydraulic oil of HM Hydraulic Motor 10 cavity of resorptions is got back to fuel tank 20 by hydraulic fluid port under HM Hydraulic Motor 16, pipeline 5 31, and HM Hydraulic Motor 10 is in servo-actuated state.
(2), the decline state of lifting mechanism 2: the brake equipment of lifting motor 3 is in "on" position, releasing is to lifting motor 3 brakings, and lifting motor 3 rotates backward, and by reductor 5 driven wheels 6, rotates backward, gear 6 is intermeshing with tooth bar 7, realizes the down maneuver of elevator platform 2.When elevator platform 2 declines, gear 12 drives HM Hydraulic Motor 10 contrarotations with the engagement of tooth bar 14, HM Hydraulic Motor 10 cavity of resorptions are drawn fluid by hydraulic fluid port under HM Hydraulic Motor 16, pipeline 5 31 from fuel tank, the hydraulic oil of HM Hydraulic Motor 10 epicoeles is got back to fuel tank 20 by hydraulic fluid port 15, pipeline 8 34, balancing overflow valve 21 in oil through 19, damping hole 18, HM Hydraulic Motor, and HM Hydraulic Motor 10 is in servo-actuated state.
(3), the halted state of lifting mechanism 2: lifting motor 3 is in power down mode, and the brake equipment of lifting motor 3 is in power down mode, to lifting motor 3 brakings, gear 6 stalls, elevator platform 2 stop motions.Once the brake equipment et out of order of lifting motor 3, cannot realize lifting motor 3 brakings, hydraulic power drives lifting mechanism to play a protective role.Brake equipment et out of order due to lifting motor 3, cannot realize lifting motor 3 brakings, the gravity of elevator platform 2 is the engagement with tooth bar 14 by gear 12, and change into the load moment on HM Hydraulic Motor 10 output shafts, at HM Hydraulic Motor 10 epicoeles, form high pressure oil, under combined action due to balancing overflow valve 21, hydraulic control one-way valve 26, the gravity of elevator platform 2 forms high pressure oil at HM Hydraulic Motor 10 epicoeles and is closed, cannot flow, the gravity of elevator platform 2 is balanced, and makes elevator platform 2 in halted state.If balancing overflow valve 21 or hydraulic control one-way valve 26 be et out of order also, the gravity of elevator platform 2 can flow out by being arranged on the damping hole in hydraulic fluid port 15 18 in HM Hydraulic Motor at HM Hydraulic Motor 10 epicoeles formation high pressure oils, the fluid that can flow out HM Hydraulic Motor 10 epicoeles due to damping hole 18 produces shock damping action, limited the contrarotation speed of HM Hydraulic Motor 10, namely limited cog 12 contrarotation speed of HM Hydraulic Motor 10 output shafts, be equivalent to limit the descending speed of elevator platform 2, even if guaranteeing elevator platform 2 nonserviceables, also can only move down according to very low speed, until elevator platform 2 kiss the earths, or cover stroke, avoiding elevator platform 2 fast-descendings to form impacts, produce loss.
When the hydraulic power of take drives lifting mechanism as main driving, mechanical power drives the state of lifting mechanism:
(1), hydraulic power drives lifting mechanism to promote elevator platform 2 and during down maneuver, lifting motor 3 is in power down mode, the brake equipment of lifting motor 3, in "on" position, is removed the braking to lifting motor 3, lifting motor 3 is in servo-actuated state.
(2), hydraulic power is while driving lifting mechanism to quit work, lifting motor 3 is in power down mode, the brake equipment of lifting motor 3 is in power down mode, the realization braking to lifting motor 3, plays a protective role to elevator platform 2.
Beneficial effect is: a kind of Dual Drive lifting mechanism provided by the invention, it includes mechanical power simultaneously and drives lifting mechanism and hydraulic power to drive lifting mechanism two cover power driven lifting mechanisms, its two covers power driven lifting mechanism can work alone respectively, also can work simultaneously.
A kind of Dual Drive lifting mechanism provided by the invention, any a set of driving lifting mechanism et out of order wherein, a set of driving lifting mechanism can enter main driving condition at once in addition, realizes the continuous working of lifting mechanism.Simultaneously; in Dual Drive lifting mechanism, any a set of driving lifting mechanism is that main driving is while carrying out work; a set of driving lifting mechanism will be automatically as safety guard in addition, and lifting mechanism is protected, and has improved reliability and the safety of lifting mechanism work.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a Dual Drive lifting mechanism, is characterized in that comprising: fixed frame and elevator platform, and comprise mechanical power jacking system and hydraulic power jacking system;
Described mechanical power jacking system comprises lifting motor, reductor, gear, tooth bar; Described lifting motor is with brake equipment; 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 rotatablely moving of described lifting motor passes to gear after can slowing down by reductor, driven wheel rotation; Described tooth bar is arranged on the fixed frame left column of fixed frame, and intermeshing with gear, by be arranged on lifting motor on elevator platform rotatablely move and by reductor slow down, driven wheel rotates, realize the up-and-down movement of gear in tooth bar vertical direction, realize the lifting action of elevator platform;
Described hydraulic pressure power-driven system comprises hydraulic efficiency pressure system, HM Hydraulic Motor, gear, tooth bar; Described HM Hydraulic Motor is arranged on HM Hydraulic Motor mount pad, and described HM Hydraulic Motor mount pad is fixed on elevator platform; On the output shaft of described HM Hydraulic Motor, gear is installed; Described tooth bar is arranged on fixed frame right column, and intermeshing with gear; Described HM Hydraulic Motor has in HM Hydraulic Motor hydraulic fluid port under hydraulic fluid port and HM Hydraulic Motor; In described HM Hydraulic Motor, in hydraulic fluid port, screw plug is installed, on screw plug, offers damping hole, on the right side of screw plug, also have oil through; Described hydraulic efficiency pressure system comprises fuel tank, oil filter, oil pump, balancing overflow valve, by pass 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; In described HM Hydraulic Motor, hydraulic fluid port is connected with the pipeline seven of hydraulic efficiency pressure system, and under HM Hydraulic Motor, hydraulic fluid port is connected with the pipeline five of hydraulic efficiency pressure system, and the other end of the pipeline five of hydraulic efficiency pressure system is directly connected with fuel tank; When hydraulic efficiency pressure system by pipeline seven and HM Hydraulic Motor on hydraulic fluid port while providing high pressure oil to HM Hydraulic Motor epicoele, can drive HM Hydraulic Motor to be rotated in the forward, and be rotated in the forward by output shaft driven gear, gear, by being meshed with the tooth bar being arranged on fixed frame right column, is realized the enhancing action of elevator platform; When hydraulic efficiency pressure system provides high pressure oil by pipeline to the control mouth of hydraulic control one-way valve, hydraulic control one-way valve is oppositely opened, the gravity of elevator platform changes into the load moment of gear, and pass to HM Hydraulic Motor by the output shaft of HM Hydraulic Motor, drive HM Hydraulic Motor contrarotation, realize the down maneuver of elevator platform.
2. Dual Drive lifting mechanism according to claim 1, it is characterized in that: the brake equipment of described lifting motor can be realized braking to lifting motor by dead electricity, by must electricly realizing brake off to lifting motor, the brake equipment of lifting motor has two kinds of mode of operations: independent working mode and co-ordination pattern;
Independent working mode: at lifting motor no power state, the brake equipment of lifting motor can be realized and working independently, realizes braking by dead electricity to lifting motor, by must electricly realizing brake off to lifting motor;
Co-ordination pattern: the brake equipment of lifting motor and lifting motor is switched on simultaneously, brake equipment brake off, lifting motor rotation; The brake equipment of lifting motor and lifting motor is dead electricity simultaneously, lifting motor stall, and brake equipment is realized braking to lifting motor.
3. a kind of Dual Drive lifting mechanism according to claim 1, is characterized in that: between described fixed frame and elevator platform, guide piece is set.
4. a kind of Dual Drive lifting mechanism according to claim 1, is characterized in that: described lifting motor is common electric machine or servomotor.
5. a kind of Dual Drive lifting mechanism according to claim 1, is characterized in that: balancing overflow valve and hydraulic control one-way valve in described hydraulic efficiency pressure system play equilibrium activity, gravity that can balance lifting frame.
6. a kind of Dual Drive lifting mechanism according to claim 1, is characterized in that: the Median Function of the solenoid directional control valve in described hydraulic efficiency pressure system is " H " type.
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| CN201410043267.9A CN103754738B (en) | 2014-01-29 | 2014-01-29 | A kind of Dual Drive lifting mechanism |
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| CN201410043267.9A CN103754738B (en) | 2014-01-29 | 2014-01-29 | A kind of Dual Drive lifting mechanism |
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| CN103754738A true CN103754738A (en) | 2014-04-30 |
| CN103754738B CN103754738B (en) | 2016-04-27 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107285219A (en) * | 2017-07-16 | 2017-10-24 | 张俊强 | A kind of machine liquid dual drive hoisting system and dynamic compaction machinery |
| CN110255328A (en) * | 2019-05-20 | 2019-09-20 | 泸州天府液压件有限公司 | Skyscraper external hydraulic goes up and down fire-fighting system |
| CN112897369A (en) * | 2019-11-19 | 2021-06-04 | 湖南中联重科建筑起重机械有限责任公司 | Safety module, lifting system, crane and lifting method of crane |
| CN114634086A (en) * | 2022-03-29 | 2022-06-17 | 湖南图南机械科技有限公司 | Hydraulic system for controlling overturning lifting appliance, overturning lifting appliance assembly and crane |
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| CN103274332A (en) * | 2013-04-02 | 2013-09-04 | 江苏自强涂装机械有限公司 | Spray chamber hydraulic lifting device |
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| US3934732A (en) * | 1973-08-09 | 1976-01-27 | Glass Tubes And Components Limited | Object transfer machine |
| JPH07315576A (en) * | 1994-05-23 | 1995-12-05 | Chikara Gosei Jushi:Kk | Container stock device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107285219A (en) * | 2017-07-16 | 2017-10-24 | 张俊强 | A kind of machine liquid dual drive hoisting system and dynamic compaction machinery |
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| CN112897369A (en) * | 2019-11-19 | 2021-06-04 | 湖南中联重科建筑起重机械有限责任公司 | Safety module, lifting system, crane and lifting method of crane |
| CN114634086A (en) * | 2022-03-29 | 2022-06-17 | 湖南图南机械科技有限公司 | Hydraulic system for controlling overturning lifting appliance, overturning lifting appliance assembly and crane |
| CN114634086B (en) * | 2022-03-29 | 2023-03-10 | 湖南图南机械科技有限公司 | Upset hoist assembly and crane |
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| CN103754738B (en) | 2016-04-27 |
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