CN103818804B - A kind of dual drive elevating mechanism - Google Patents
A kind of dual drive elevating mechanism Download PDFInfo
- Publication number
- CN103818804B CN103818804B CN201410043640.0A CN201410043640A CN103818804B CN 103818804 B CN103818804 B CN 103818804B CN 201410043640 A CN201410043640 A CN 201410043640A CN 103818804 B CN103818804 B CN 103818804B
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- pipeline
- motor
- lifting motor
- elevating mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The invention discloses a kind of dual drive elevating mechanism, it includes machine power driving elevating mechanism and hydraulic power driving two sets of power drive elevating mechanisms of elevating mechanism simultaneously, and its two sets of power drive elevating mechanisms can work independently, can also work simultaneously respectively.A kind of dual drive elevating mechanism that the present invention is provided, a set of driving elevating mechanism of any of which breaks down, and other set driving elevating mechanism can enter main driving condition at once, realize the continuous work of elevating mechanism.Meanwhile, in dual drive elevating mechanism, when driving is operated based on any a set of driving elevating mechanism, other set driving elevating mechanism will the automatic reliability and security protected as safety guard to elevating mechanism, improve elevating mechanism work.
Description
Technical field
The present invention relates to a kind of dual drive elevating mechanism, and in particular to a kind of mechanical-hydraulic dual drive elevating mechanism, belongs to electric and field of electromechanical technology.
Background technology
At present, elevating mechanism is widely used in the fields such as lifting, loading, transport, and 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, the positive and negative rotation of reel is driven, folding and unfolding of the reel to cable wire is realized, the lifting to lifting thing is completed.But for certain some important occasion, the lifting of such as visual plant, it is necessary to more consideration safety and reliabilities, so, once elevating mechanism breaks down, on the one hand must there is more safety precautions, prevent that lifting the quick of thing falls, and damages lifting thing；On the other hand allow for fixing a breakdown rapidly, or second set of elevating mechanism can be started, it is ensured that elevating mechanism being capable of normal and continuous operation.
For certain some more special occasion, to ensure that elevating mechanism being capable of normal and continuous operation, and the reliability and security of elevating mechanism work are improved, the present invention, desirable to provide the technical scheme of a set of double dynamical driving elevating mechanism, is that the reliably working of elevating mechanism provides safeguard.
The content of the invention
In order to improve the reliability and security of elevating mechanism work, the present invention provides a kind of dual drive elevating mechanism, and it includes machine power driving elevating mechanism and hydraulic power driving two sets of power drive elevating mechanisms of elevating mechanism simultaneously.
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 including machine power jacking system and hydraulic power jacking system；
The machine power jacking system includes lifting motor, reductor, gear, tooth bar；The lifting motor carries brake apparatus；The lifting motor is arranged on motor mount, and motor mount is fixed on elevator platform；The left end of the lifting motor is provided with reductor, and the output shaft of the reductor is connected with gear, and the rotary motion of the lifting motor passes to gear, drive gear rotation after can slowing down by reductor；The tooth bar is arranged on the fixed frame left column of fixed frame, and be intermeshed with gear, slow down by the rotary motion of the lifting motor on elevator platform and by reductor, drive gear rotates, up and down motion of the gear in tooth bar vertical direction is realized, the lifting action of elevator platform is realized；
The hydraulic power jacking system includes hydraulic system, hydraulic motor, gear, tooth bar；The hydraulic motor is arranged in hydraulic motor mounting seat, and the hydraulic motor mounting seat is fixed on elevator platform；Gear is installed, the tooth bar is arranged on fixed frame right column on the output shaft of the hydraulic motor, and be intermeshed with gear；The 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；The pipeline is pipeline one, pipeline two, pipeline three, pipeline four, pipeline five, pipeline six, pipeline seven, pipeline eight, pipeline nine, pipeline two is set between the fuel tank and oil filter, pipeline three is set between the oil filter and oil pump, pipeline four is set between the oil pump and solenoid directional control valve, the fuel tank sets pipeline five and pipeline seven by connecting overflow valve connecting pipeline four between the solenoid directional control valve and hydraulic control one-way valve；The hydraulic motor has on hydraulic motor hydraulic fluid port under hydraulic fluid port and hydraulic motor；The hydraulic motor, which oils, intraoral is provided with plug, plug mesopore is offered on plug, there is oil through on the right side of plug, the inside of the oil through is provided with check valve accommodating chamber, nonreturn valve core is installed in check valve accommodating chamber, nonreturn valve core can be moved left and right in its accommodating chamber, nonreturn valve core and the inwall formation annular chamber of its accommodating chamber, the inside of the nonreturn valve core offers nonreturn valve core mesopore, some nonreturn valve core side openings are offered on the side wall of nonreturn valve core, the left end of nonreturn valve core has the valve element conical surface, spring is installed between plug and nonreturn valve core, the valve element conical surface of the spring handle nonreturn valve core left end is pressed on valve seat, the left end of nonreturn valve core is further opened with damping hole, fluid in hydraulic motor epicoele can pass through oil through when discharging, nonreturn valve core mesopore, damping hole, plug mesopore, hydraulic fluid port is connected with the pipeline nine of hydraulic system on hydraulic motor；The hydraulic system can pass through hydraulic fluid port, plug mesopore on pipeline nine, hydraulic motor, reach the left end of nonreturn valve core, overcome the active force of spring, nonreturn valve core is pushed away valve seat, fluid enters hydraulic motor epicoele by annular chamber, nonreturn valve core side opening, nonreturn valve core mesopore, oil through again；Hydraulic fluid port is connected with the pipeline nine of hydraulic system on the hydraulic motor, hydraulic fluid port is connected with the pipeline six of hydraulic system under hydraulic motor, the other end of the pipeline six of hydraulic system is directly connected with fuel tank, the overflow valve is connected by pipeline one with pipeline nine, and pipeline eight is set between the hydraulic control one-way valve and pipeline nine；When hydraulic system provides hydraulic oil by hydraulic fluid port on pipeline nine and hydraulic motor to hydraulic motor epicoele, hydraulic motor can be driven to rotate forward, and rotated forward by exporting shaft driven gear, gear realizes the enhancing action of elevator platform by being meshed with the tooth bar on fixed frame right column；When hydraulic system provides hydraulic oil by pipeline seven to the control mouth of hydraulic control one-way valve, hydraulic control one-way valve is reversely opened, the gravity of elevator platform changes into the loading moment of gear, and hydraulic motor is passed to by the output shaft of hydraulic motor, drive hydraulic motor to reversely rotate, realize the down maneuver of elevator platform.
The brake apparatus of the lifting motor can be realized to lifting motor by dead electricity and braked, and release braking by obtaining electric realized to lifting motor, the brake apparatus of lifting motor has two kinds of mode of operations：Independent working mode and co-ordination pattern；
Independent working mode：In the obstructed electricity condition of lifting motor, the brake apparatus of lifting motor, which can be realized, to be worked independently, i.e., lifting motor is realized by dead electricity and braked, and braking is released by obtaining electric realized to lifting motor；
Co-ordination pattern：Both brake apparatus of lifting motor and lifting motor are powered simultaneously, and brake apparatus releases braking, lifting motor rotation；Dead electricity, the lifting motor stalling simultaneously of both brake apparatus of lifting motor and lifting motor, brake apparatus is to lifting motor realization braking.
Guider is set between the fixed frame and elevator platform.
The lifting motor is common electric machine or servomotor.
Balancing overflow and hydraulic control one-way valve in the hydraulic system play balanced action, can be with the gravity of balance lifting frame.
The Median Function of solenoid directional control valve in the hydraulic system is " H " type.
Beneficial effect is：A kind of dual drive elevating mechanism that the present invention is provided, it includes machine power driving elevating mechanism and hydraulic power driving two sets of power drive elevating mechanisms of elevating mechanism simultaneously, and its two sets of power drive elevating mechanisms can work independently, can also work simultaneously respectively.
A kind of dual drive elevating mechanism that the present invention is provided, a set of driving elevating mechanism of any of which breaks down, and other set driving elevating mechanism can enter main driving condition at once, realize the continuous work of elevating mechanism.Meanwhile, when driving is operated based on any a set of driving elevating mechanism in dual drive elevating mechanism, other set driving elevating mechanism will the automatic reliability and security protected as safety guard to elevating mechanism, improve elevating mechanism work.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of dual drive elevating mechanism, including：Fixed frame 1 and elevator platform 2, and including 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 carries brake apparatus, and the brake apparatus of lifting motor 3 can be realized by dead electricity to lifting motor 3 to be braked, and releases braking by obtaining electric realized 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 the obstructed electricity condition of lifting motor 3, the brake apparatus of lifting motor 3, which can be realized, to be worked independently, i.e., lifting motor 3 is realized by dead electricity and braked, and braking is released by obtaining electric realized to lifting motor 3.Co-ordination pattern：Both brake apparatus of lifting motor 3 and lifting motor 3 are powered simultaneously, and brake apparatus releases braking, and lifting motor 3 rotates；Both brake apparatus of lifting motor 3 and lifting motor 3 are while dead electricity, lifting motor 3 is stalled, and brake apparatus is realized to lifting motor 3 and braked.
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 passes to gear 6 after can slowing down by reductor 5, and drive gear 6 rotates.Tooth bar 7 is arranged on the fixed frame left column 8 of fixed frame 1, and is intermeshed with gear 6.Slow down by the rotary motion of the lifting motor 3 on elevator platform 2 and by reductor 5, drive gear 6 rotates, realize up and down motion of the gear 6 in the vertical direction of tooth bar 7, realize the lifting action of elevator platform 2.
Hydraulic power jacking system includes hydraulic system, hydraulic motor 10, gear 12, tooth bar 14.Hydraulic motor 10 is arranged in hydraulic motor mounting seat 11, and hydraulic motor mounting seat 11 is fixed on elevator platform 2.Gear 12 is installed on the output shaft of hydraulic motor 10.Tooth bar 14 is arranged on fixed frame right column 13, and is intermeshed with gear 12.Hydraulic system includes fuel tank 17, oil filter 21, oil pump 22, balancing overflow valve 18 and overflow valve 20, solenoid directional control valve 23, hydraulic control one-way valve 24 and and some pipelines；The pipeline is pipeline 1, pipeline 2 25, pipeline 3 26, pipeline 4 27, pipeline 5 28, pipeline 6 29, pipeline 7 30, pipeline 8 31, pipeline 9 32, pipeline 2 25 is set between fuel tank 17 and oil filter 21, pipeline 3 26 is set between oil filter 21 and oil pump 22, pipeline 4 27 is set between oil pump 22 and solenoid directional control valve 23, fuel tank sets pipeline 5 28 and pipeline 7 30 by connecting the connecting pipeline 4 27 of overflow valve 20 between solenoid directional control valve 23 and hydraulic control one-way valve 24.Hydraulic motor 10 is with hydraulic fluid port 16 under hydraulic fluid port 15 on hydraulic motor and hydraulic motor.Plug 33 is installed on hydraulic motor in hydraulic fluid port 15, plug mesopore 36 is offered on plug 33, there is oil through 35 on the right side of plug 33, the inside of oil through 35 is provided with check valve accommodating chamber, nonreturn valve core 37 is installed in check valve accommodating chamber, nonreturn valve core 37 can be moved left and right in its accommodating chamber, nonreturn valve core 37 and the inwall formation annular chamber 38 of its accommodating chamber, the inside of nonreturn valve core 37 offers nonreturn valve core mesopore 40, some nonreturn valve core side openings 39 are offered on the side wall of nonreturn valve core 37, the left end of nonreturn valve core 37 has the valve element conical surface, spring 41 is installed between plug 33 and nonreturn valve core 37, spring 41 is pressed in the valve element conical surface of the left end of nonreturn valve core 37 on valve seat, the left end of nonreturn valve core 37 is further opened with damping hole 34, fluid in the epicoele of hydraulic motor 10 can pass through oil through 35 when discharging, nonreturn valve core mesopore 40, damping hole 34, plug mesopore 36, hydraulic fluid port 15 is connected with the pipeline 9 32 of hydraulic system on hydraulic motor.Hydraulic system can pass through hydraulic fluid port 15, plug mesopore 36 on pipeline 9 32, hydraulic motor, reach the left end of nonreturn valve core 37, overcome the active force of spring 41, nonreturn valve core 37 is pushed away valve seat, fluid enters the epicoele of hydraulic motor 10 by annular chamber 38, nonreturn valve core side opening 39, nonreturn valve core mesopore 40, oil through 35 again.Hydraulic fluid port 15 is connected with the pipeline 9 32 of hydraulic system on hydraulic motor, hydraulic fluid port 16 is connected with the pipeline 6 29 of hydraulic system under hydraulic motor, the other end of the pipeline 6 29 of hydraulic system is directly connected with fuel tank 17, overflow valve 20 is connected by pipeline 1 with pipeline 9 32, and pipeline 8 31 is set between hydraulic control one-way valve 24 and pipeline 9 32.When hydraulic system provides hydraulic oil by hydraulic fluid port 15 on pipeline 9 32 and hydraulic motor to hydraulic motor epicoele, hydraulic motor 10 can be driven to rotate forward, and rotated forward by exporting shaft driven gear 12, gear 12 realizes the enhancing action of elevator platform 2 by being meshed with the tooth bar 14 on fixed frame right column 13.When hydraulic system provides hydraulic oil by pipeline 7 30 to the control mouth of hydraulic control one-way valve 24, hydraulic control one-way valve 24 is reversely opened, the gravity of elevator platform 2 changes into the loading moment of gear 12, and hydraulic motor 10 is passed to by the output shaft of hydraulic motor 10, driving hydraulic motor 10 is reversely rotated, and realizes the down maneuver of elevator platform 2.
Guider can be set between fixed frame 1 and elevator platform 2；Lifting motor 3 can be common electric machine or servomotor；Balancing overflow valve 18 and hydraulic control one-way valve 24 in hydraulic system play balanced action, can be with the gravity of balance lifting frame.The Median Function of solenoid directional control valve 23 in hydraulic system is " H " type.
A kind of dual drive elevating mechanism that the present invention is provided, its machine power included driving elevating mechanism and hydraulic power driving elevating mechanism can work independently respectively, can also work simultaneously.
Machine power drives the autonomous working principle of elevating mechanism：
（1）, rotary motion produced by lifting motor 3 of the drive installation on elevator platform 2, and slowed down by reductor 5, drive gear 6 rotates, realize up and down motion of the gear 6 in the vertical direction of tooth bar 7, realize 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, and releasing is braked to lifting motor 3.
（2）, lifting motor 3 is when being stopped, the brake apparatus of lifting motor 3 is in off-position, realizes the braking to lifting motor 3.
Hydraulic power drives the autonomous working principle of elevating mechanism：
（1）, hydraulic power drive elevating mechanism lifting state：Solenoid directional control valve 23 is in right position working condition, the oil inlet of oil pump 22 passes through the oil suction from fuel tank 17 of oil filter 21, the hydraulic oil of the oil-out of oil pump 22 passes through pipeline 4 27, the right position of solenoid directional control valve 23, pipeline 5 28, hydraulic control one-way valve 24, pipeline 8 31, pipeline 9 32, hydraulic fluid port 15 on hydraulic motor, plug mesopore 36, reach the left end of nonreturn valve core 37, overcome the active force of spring 41, nonreturn valve core 37 is pushed away valve seat, fluid passes through annular chamber 38 again, nonreturn valve core side opening 39, nonreturn valve core mesopore 40, oil through 35 enters the epicoele of hydraulic motor 10, driving hydraulic motor 10 is rotated forward, and rotated forward by exporting shaft driven gear 12, gear 12 with the tooth bar 14 on fixed frame right column 13 by being meshed, overcome the gravity of elevator platform 2, realize the enhancing action of elevator platform 2.The low pressure oil of the cavity of resorption of hydraulic motor 10 then returns to fuel tank 17 by hydraulic fluid port under hydraulic motor 16, pipeline 6 29.
（2）, hydraulic power drive elevating mechanism decline state：Solenoid directional control valve 23 is in left position working condition, the oil inlet of oil pump 22 passes through the oil suction from fuel tank 17 of oil filter 21, the hydraulic oil of the oil-out of oil pump 22 passes through pipeline 4 27, the left position of solenoid directional control valve 23, pipeline 7 30 enters the control port of hydraulic control one-way valve 24, so that hydraulic control one-way valve 24 is reversely opened, the gravity of elevator platform 2 changes into the loading moment of gear 12, and hydraulic motor 10 is passed to by the output shaft of hydraulic motor 10, driving hydraulic motor 10 is reversely rotated, realize the down maneuver of elevator platform 2, hydraulic motor cavity of resorption passes through hydraulic fluid port under hydraulic motor 16, pipeline 6 29, fluid is drawn from fuel tank 17, the fluid of the epicoele of hydraulic motor 10 then passes through the oil through 35 of hydraulic motor 10, nonreturn valve core mesopore 40, damping hole 34, plug mesopore 36, hydraulic fluid port 15 on hydraulic motor, pipeline 9 32, pipeline 8 31, hydraulic control one-way valve 24, pipeline 5 28, the left position of solenoid directional control valve 23 returns to fuel tank 17.
（3）, hydraulic power drive elevating mechanism halted state：Solenoid directional control valve 23 is in middle position working condition, if oil pump 22 is not stopped, the oil inlet of oil pump 22 passes through the oil suction from fuel tank 17 of oil filter 21, the fluid of the oil-out of oil pump 22 passes through pipeline 4 27, the middle position of solenoid directional control valve 23 returns to fuel tank 17, the gravity of elevator platform 2 is engaged by gear 12 and tooth bar 14, and the loading moment changed on the output shaft of hydraulic motor 10, in the epicoele of hydraulic motor 10 formation hydraulic oil, due to balancing overflow valve 18, under the collective effect of hydraulic control one-way valve 24, the gravity of elevator platform 2 is sealed in the epicoele of hydraulic motor 10 formation hydraulic oil, it can not flow, the gravity of elevator platform 2 is balanced, elevator platform is set to be in halted state.
When being driven based on machine power driving elevating mechanism, hydraulic power drives the operation principle of elevating mechanism：
Oil pump 22 is in the state that is stopped, and solenoid directional control valve 23 is in middle position working condition.
（1）, elevating mechanism 2 lifting state：The brake apparatus of lifting motor 2 is in "on" position, and releasing is braked to lifting motor 2, and lifting motor 2 is rotated forward, rotated forward by the drive gear 6 of reductor 5, gear 6 is intermeshed with tooth bar 7, overcomes the gravity of elevator platform 2, realizes the enhancing action of elevator platform 2.While elevator platform 2 is lifted, gear 12 is rotated forward with the drive hydraulic motor 10 that engages of tooth bar 14, the epicoele of hydraulic motor 10 passes through oil through 35, the oil suction of nonreturn valve core mesopore 40, and form negative pressure, act on nonreturn valve core 37, overcome the active force of spring 41, nonreturn valve core 37 is pushed away valve seat, pass through nonreturn valve core side opening 39 again, annular chamber 38, plug mesopore 36, hydraulic fluid port 15 on hydraulic motor, pipeline 9 32, pipeline 8 31, hydraulic control one-way valve 24, pipeline 5 28, the middle position of solenoid directional control valve 23 draws fluid from fuel tank 17, the hydraulic oil of the cavity of resorption of hydraulic motor 10 then passes through hydraulic fluid port under hydraulic motor 16, pipeline 6 29 returns to fuel tank 17, hydraulic motor 10 is in servo-actuated state.
（2）, elevating mechanism 2 decline state：The brake apparatus of lifting motor 3 is in "on" position, and releasing is braked to lifting motor 3, and lifting motor 3 is rotated backward, and is rotated backward by the drive gear 6 of reductor 5, gear 6 is intermeshed with tooth bar 7, realizes the down maneuver of elevator platform 2.While elevator platform 2 declines, gear 12 is reversely rotated with the drive hydraulic motor 10 that engages of tooth bar 14, the cavity of resorption of hydraulic motor 10 draws fluid by hydraulic fluid port under hydraulic motor 16, pipeline 6 29 from fuel tank, the hydraulic oil of the epicoele of hydraulic motor 10 then returns to fuel tank 17 by hydraulic fluid port 15, pipeline 9 32, pipeline 1, balancing overflow valve 18 on oil through 35, nonreturn valve core mesopore 40, damping hole 34, plug mesopore 36, hydraulic motor, and hydraulic motor 10 is in servo-actuated state.
（3）, elevating mechanism 2 halted state：Lifting motor 3 is in power down mode, and the brake apparatus of lifting motor 3 is in power down mode, lifting motor 3 braked, gear 6 is stalled, the stop motion of elevator platform 2.Once, the brake apparatus of lifting motor 3 is broken down, it is impossible to which realization is braked to lifting motor 3, and hydraulic power driving elevating mechanism will play a protective role.Because the brake apparatus of lifting motor 3 breaks down, it can not realize and lifting motor 3 is braked, the gravity of elevator platform 2 is engaged by gear 12 and tooth bar 14, and the loading moment changed on the output shaft of hydraulic motor 10, in the epicoele of hydraulic motor 10 formation hydraulic oil, due under balancing overflow valve 18, the collective effect of hydraulic control one-way valve 24, the gravity of elevator platform 2 is sealed in the epicoele of hydraulic motor 10 formation hydraulic oil, it can not flow, the gravity of elevator platform 2 is balanced, and elevator platform 2 is in halted state.If balancing overflow valve 18 or hydraulic control one-way valve 24 also break down, then the gravity of elevator platform 2 can be flowed out in the epicoele of hydraulic motor 10 formation hydraulic oil by the damping hole 34 for the left end of nonreturn valve core 37 being arranged on hydraulic motor in hydraulic fluid port 15, because damping hole 34 can produce damping action to the fluid that the epicoele of hydraulic motor 10 flows out, limit the reverse rotation speed of hydraulic motor 10, namely limit the reverse rotation speed of the output shaft gear 12 of hydraulic motor 10, equivalent to the decrease speed for limiting elevator platform 2, even if ensureing that elevator platform 2 is nonserviceabled, also it can only be moved down according to very low speed, until elevator platform 2 contacts ground, or cover stroke, avoid the formation impact of the rapid decrease of elevator platform 2, produce loss.
When being driven based on hydraulic power driving elevating mechanism, machine power drives the state of elevating mechanism：
（1）, hydraulic power driving elevating mechanism elevator platform 2 is lifted 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 the state of being servo-actuated.
（2）, hydraulic power driving elevating mechanism is when being stopped, 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 elevator platform 2 is played a protective role.
Beneficial effect is：A kind of dual drive elevating mechanism that the present invention is provided, it includes machine power driving elevating mechanism and hydraulic power driving two sets of power drive elevating mechanisms of elevating mechanism simultaneously, and its two sets of power drive elevating mechanisms can work independently, can also work simultaneously respectively.
A kind of dual drive elevating mechanism that the present invention is provided, a set of driving elevating mechanism of any of which breaks down, and other set driving elevating mechanism can enter main driving condition at once, realize the continuous work of elevating mechanism.Meanwhile, when driving is operated based on any a set of driving elevating mechanism in dual drive elevating mechanism, other set driving elevating mechanism will the automatic reliability and security protected as safety guard to elevating mechanism, improve elevating mechanism work.
The above is only the preferred embodiment of the present invention, it should be pointed out that：For those skilled in the art, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of dual drive elevating mechanism, it is characterised in that including：Fixed frame 1 and elevator platform 2, and including machine power jacking system and hydraulic power jacking system；
The machine power jacking system includes lifting motor, reductor, gear, tooth bar；The lifting motor carries brake apparatus；The lifting motor is arranged on motor mount, and motor mount is fixed on elevator platform；The left end of the lifting motor is provided with reductor, and the output shaft of the reductor is connected with gear, and the rotary motion of the lifting motor passes to gear, drive gear rotation after slowing down by reductor；The tooth bar is arranged on the fixed frame left column of fixed frame, and be intermeshed with gear, slow down by the rotary motion of the lifting motor on elevator platform and by reductor, drive gear rotates, up and down motion of the gear in tooth bar vertical direction is realized, the lifting action of elevator platform is realized；
The hydraulic lifting drive system includes hydraulic system, hydraulic motor, gear, tooth bar；The hydraulic motor is arranged in hydraulic motor mounting seat, and the hydraulic motor mounting seat is fixed on elevator platform；Gear is installed, the tooth bar is arranged on fixed frame right column on the output shaft of the hydraulic motor, and be intermeshed with gear；The 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；The pipeline is pipeline one, pipeline two, pipeline three, pipeline four, pipeline five, pipeline six, pipeline seven, pipeline eight, pipeline nine, pipeline two is set between the fuel tank and oil filter, pipeline three is set between the oil filter and oil pump, pipeline four is set between the oil pump and solenoid directional control valve, the fuel tank sets pipeline five and pipeline seven by connecting overflow valve connecting pipeline four between the solenoid directional control valve and hydraulic control one-way valve；The hydraulic motor has on hydraulic motor hydraulic fluid port under hydraulic fluid port and hydraulic motor；The hydraulic motor, which oils, intraoral is provided with plug, plug mesopore is offered on plug, there is oil through on the right side of plug, the inside of the oil through is provided with check valve accommodating chamber, nonreturn valve core is installed in check valve accommodating chamber, nonreturn valve core is moved left and right in its accommodating chamber, nonreturn valve core and the inwall formation annular chamber of its accommodating chamber, the inside of the nonreturn valve core offers nonreturn valve core mesopore, some nonreturn valve core side openings are offered on the side wall of nonreturn valve core, the left end of nonreturn valve core has the valve element conical surface, spring is installed between plug and nonreturn valve core, the valve element conical surface of the spring handle nonreturn valve core left end is pressed on valve seat, the left end of nonreturn valve core is further opened with damping hole, fluid in hydraulic motor epicoele passes through oil through when discharging, nonreturn valve core mesopore, damping hole, plug mesopore, hydraulic fluid port is connected with the pipeline nine of hydraulic system on hydraulic motor；The hydraulic system passes through hydraulic fluid port, plug mesopore on pipeline nine, hydraulic motor, reach the left end of nonreturn valve core, overcome the active force of spring, nonreturn valve core is pushed away valve seat, fluid enters hydraulic motor epicoele by annular chamber, nonreturn valve core side opening, nonreturn valve core mesopore, oil through again；Hydraulic fluid port is connected with the pipeline nine of hydraulic system on the hydraulic motor, hydraulic fluid port is connected with the pipeline six of hydraulic system under hydraulic motor, the other end of the pipeline six of hydraulic system is directly connected with fuel tank, the overflow valve is connected by pipeline one with pipeline nine, and pipeline eight is set between the hydraulic control one-way valve and pipeline nine；When hydraulic system provides hydraulic oil by hydraulic fluid port on pipeline nine and hydraulic motor to hydraulic motor epicoele, driving hydraulic motor is rotated forward, and rotated forward by exporting shaft driven gear, gear realizes the enhancing action of elevator platform by being meshed with the tooth bar on fixed frame right column；When hydraulic system provides hydraulic oil by pipeline seven to the control mouth of hydraulic control one-way valve, hydraulic control one-way valve is reversely opened, the gravity of elevator platform changes into the loading moment of gear, and hydraulic motor is passed to by the output shaft of hydraulic motor, drive hydraulic motor to reversely rotate, realize the down maneuver of elevator platform.
2. a kind of dual drive elevating mechanism according to claim 1, it is characterised in that：The brake apparatus of the lifting motor is realized to lifting motor by dead electricity and braked, and releases braking by obtaining electric realized to lifting motor, the brake apparatus of lifting motor has two kinds of mode of operations：Independent working mode and co-ordination pattern；
Independent working mode：In the obstructed electricity condition of lifting motor, the brake apparatus of lifting motor, which is realized, to be worked independently, i.e., lifting motor is realized by dead electricity and braked, and braking is released by obtaining electric realized to lifting motor；
Co-ordination pattern：Both brake apparatus of lifting motor and lifting motor are powered simultaneously, and brake apparatus releases braking, lifting motor rotation；Dead electricity, the lifting motor stalling simultaneously of both brake apparatus of lifting motor and lifting motor, brake apparatus is to lifting motor realization braking.
3. a kind of dual drive elevating mechanism according to claim 1, it is characterised in that：Guider is set between the fixed frame and elevator platform.
4. a kind of dual drive elevating mechanism according to claim 1, it is characterised in that：The lifting motor is common electric machine or servomotor.
5. a kind of dual drive elevating mechanism according to claim 1, it is characterised in that：Balancing overflow and hydraulic control one-way valve in the hydraulic system play balanced action, the gravity of balance lifting frame.
6. a kind of dual drive elevating mechanism according to claim 1, it is characterised in that：The Median Function of solenoid directional control valve in the hydraulic system is " H " type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410043640.0A CN103818804B (en) | 2014-01-29 | 2014-01-29 | A kind of dual drive elevating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410043640.0A CN103818804B (en) | 2014-01-29 | 2014-01-29 | A kind of dual drive elevating mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103818804A CN103818804A (en) | 2014-05-28 |
| CN103818804B true CN103818804B (en) | 2016-06-29 |
Family
ID=50754146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410043640.0A Expired - Fee Related CN103818804B (en) | 2014-01-29 | 2014-01-29 | A kind of dual drive elevating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103818804B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110759205B (en) * | 2019-09-24 | 2021-06-04 | 浙江威特电梯有限公司 | Dual-drive control elevator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041321A (en) * | 1988-09-29 | 1990-04-18 | 李万浩 | elevator |
| CN2617866Y (en) * | 2003-02-28 | 2004-05-26 | 蔺志刚 | Hiding garage |
| CN2663390Y (en) * | 2003-11-28 | 2004-12-15 | 关汝壁 | Indoors lift platform structure |
| CN101367486A (en) * | 2008-09-12 | 2009-02-18 | 合肥市华林模具有限公司 | Lifting mechanism |
| CN201419992Y (en) * | 2009-04-15 | 2010-03-10 | 北京中冶设备研究设计总院有限公司 | Stainless steel lifter |
| CN203767807U (en) * | 2014-01-29 | 2014-08-13 | 河海大学常州校区 | Dual-drive lifting mechanism |
-
2014
- 2014-01-29 CN CN201410043640.0A patent/CN103818804B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1041321A (en) * | 1988-09-29 | 1990-04-18 | 李万浩 | elevator |
| CN2617866Y (en) * | 2003-02-28 | 2004-05-26 | 蔺志刚 | Hiding garage |
| CN2663390Y (en) * | 2003-11-28 | 2004-12-15 | 关汝壁 | Indoors lift platform structure |
| CN101367486A (en) * | 2008-09-12 | 2009-02-18 | 合肥市华林模具有限公司 | Lifting mechanism |
| CN201419992Y (en) * | 2009-04-15 | 2010-03-10 | 北京中冶设备研究设计总院有限公司 | Stainless steel lifter |
| CN203767807U (en) * | 2014-01-29 | 2014-08-13 | 河海大学常州校区 | Dual-drive lifting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103818804A (en) | 2014-05-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103754738B (en) | A kind of Dual Drive lifting mechanism | |
| CN203754325U (en) | Safety protection device for winch | |
| CN103787227B (en) | A kind of Dual Drive lifting mechanism | |
| CN103754790B (en) | A kind of Dual Drive lifting mechanism | |
| CN105971954B (en) | A kind of method that fluid motor-driven normal brake application is effectively ensured | |
| CN103754736B (en) | Dual Drive elevating mechanism | |
| CN201132745Y (en) | Hydraulic lifting device for column crane | |
| CN103818804B (en) | A kind of dual drive elevating mechanism | |
| CN103754781A (en) | Hydraulic system and crane | |
| CN108408617B (en) | Hydraulic wringing mill | |
| CN203767806U (en) | Dual-drive lifting mechanism | |
| CN103787178B (en) | Dual Drive elevating mechanism | |
| CN103771235B (en) | Dual Drive elevating mechanism | |
| CN203767807U (en) | Dual-drive lifting mechanism | |
| CN203740826U (en) | Dual-drive elevator mechanism | |
| CN102773397B (en) | Walking closed system of forging manipulator | |
| CN203767805U (en) | Double-drive lifting mechanism | |
| CN203767808U (en) | Dual-drive lifting mechanism | |
| CN103787176B (en) | A kind of Dual Drive elevating mechanism | |
| WO2010081363A1 (en) | Hydraulically driven multi-storey parking device | |
| CN103787177B (en) | A kind of Dual Drive lifting mechanism | |
| CN103771234B (en) | Dual Drive elevating mechanism | |
| CN103754737B (en) | Dual Drive elevating mechanism | |
| CN205400620U (en) | Rotary drilling machine's pressure device and hydraulic system thereof | |
| CN203740824U (en) | Dual-driven lifting mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20210129 |