CN203767806U - Dual-drive lifting mechanism - Google Patents
Dual-drive lifting mechanism Download PDFInfo
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- CN203767806U CN203767806U CN201420057225.6U CN201420057225U CN203767806U CN 203767806 U CN203767806 U CN 203767806U CN 201420057225 U CN201420057225 U CN 201420057225U CN 203767806 U CN203767806 U CN 203767806U
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Abstract
The utility model discloses a dual-drive lifting mechanism which comprises a mechanical power-driven lifting mechanism and a hydraulic power-driven lifting mechanism, wherein the two power-driven lifting mechanisms can work independently or simultaneously. According to the dual-drive lifting mechanism, when any one power-driven lifting mechanism breaks down, the other power-driven lifting mechanism can be in a main driving state instantly to achieve continuous work of the lifting mechanism; meanwhile, when any one power-driven lifting mechanism works as a main driver, the other power-driven lifting mechanism automatically serves as a safety protection device to protect the lifting mechanism, and then the reliability and safety of the work of the lifting mechanism are improved.
Description
Technical field
The utility model relates to a kind of Dual Drive lifting mechanism, is specifically related to a kind of mechanical-hydraulic Dual Drive lifting mechanism, belongs 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 utility model 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.
Utility model content
In order to improve reliability and the safety of lifting mechanism work, the utility model provides a kind of Dual Drive lifting mechanism, and 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, the technical solution of the utility model 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 and installs, 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 hydraulic efficiency pressure system comprises fuel tank, oil filter, oil pump, balancing overflow valve, by pass valve, solenoid directional control valve, check 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, 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, plug is installed, on plug, offer plug mesopore, right side at plug also has oil through, the inside of described oil through is provided with check valve container cavity, in check valve container cavity, nonreturn valve core is installed, nonreturn valve core can be in its container cavity sway, the inwall of nonreturn valve core and its container cavity forms annular chamber, the inside of described nonreturn valve core offers nonreturn valve core mesopore, on the sidewall of nonreturn valve core, offer some nonreturn valve core side openings, the left end of nonreturn valve core has the spool conical surface, between plug and nonreturn valve core, spring is installed, the spool conical surface of described spring handle nonreturn valve core left end is pressed on valve seat, the left end of nonreturn valve core also offers damping hole, fluid in described HM Hydraulic Motor epicoele can pass through oil through while discharging, nonreturn valve core mesopore, damping hole, plug mesopore, in HM Hydraulic Motor, the pipeline of hydraulic fluid port and hydraulic efficiency pressure system is connected, described hydraulic efficiency pressure system can be passed through hydraulic fluid port, plug mesopore in pipeline nine, HM Hydraulic Motor, arrive the left end of nonreturn valve core, the application force that overcomes spring, pushes away valve seat nonreturn valve core, and fluid enters HM Hydraulic Motor epicoele through annular chamber, nonreturn valve core side opening, nonreturn valve core mesopore, oil through again, in described HM Hydraulic Motor, hydraulic fluid port is connected with the pipeline nine of hydraulic efficiency pressure system, and under described HM Hydraulic Motor, hydraulic fluid port is connected with the pipeline seven of hydraulic efficiency pressure system, when hydraulic efficiency pressure system by pipeline nine 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 by pipeline six and HM Hydraulic Motor under hydraulic fluid port while providing high pressure oil to HM Hydraulic Motor cavity of resorption, can drive HM Hydraulic Motor contrarotation, and by the contrarotation of output shaft driven gear, gear, by being meshed with the tooth bar being arranged on fixed frame right column, is realized 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 check 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 that the utility model provides, 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 that the utility model provides, 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 utility model.
Fig. 2 is the partial enlarged drawing of A in Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
As shown in Figure 1 and Figure 2, 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;
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.
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 rotatablely moving of lifting motor 3 can be by passing to gear 6 after reductor 5 decelerations, driven wheel 6 rotations.Tooth bar 7 is arranged on the fixed frame left column 8 of fixed frame 1, and intermeshing with gear 6.By be arranged on the rotatablely moving of lifting motor 3 on elevator platform 2, and by reductor 5 slow down, driven wheel 6 rotations, realize the up-and-down movement of gear 6 in tooth bar 7 vertical direction, realize the lifting action of elevator platform 2.
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.Hydraulic efficiency pressure system comprise fuel tank 17, oil filter 21, oil pump 22, balancing overflow valve 18 and by pass valve 20, solenoid directional control valve 23, check valve 24 and and some pipelines; Described 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.HM Hydraulic Motor 10 has in HM Hydraulic Motor hydraulic fluid port 16 under hydraulic fluid port 15 and HM Hydraulic Motor.Plug 33 is installed in hydraulic fluid port 15 in HM Hydraulic Motor, on plug 33, offer plug mesopore 36, on the right side of plug 33, also has oil through 35, the inside of oil through 35 is provided with check valve container cavity, nonreturn valve core 37 is installed in check valve container cavity, nonreturn valve core 37 can be in its container cavity sway, nonreturn valve core 37 forms annular chamber 38 with the inwall of its container cavity, the inside of nonreturn valve core 37 offers nonreturn valve core mesopore 40, on the sidewall of nonreturn valve core 37, offer some nonreturn valve core side openings 39, the left end of nonreturn valve core 37 has the spool conical surface, between plug 33 and nonreturn valve core 37, spring 41 is installed, spring 41 is pressed in the spool conical surface of nonreturn valve core 37 left ends on valve seat, the left end of nonreturn valve core 37 also offers damping hole 34, fluid in HM Hydraulic Motor 10 epicoeles can pass through oil through 35 while discharging, nonreturn valve core mesopore 40, damping hole 34, plug mesopore 36, in HM Hydraulic Motor, the pipeline 9 32 of hydraulic fluid port 15 and hydraulic efficiency pressure system is connected.Hydraulic efficiency pressure system can be passed through hydraulic fluid port 15, plug mesopore 36 in pipeline 9 32, HM Hydraulic Motor, arrive the left end of nonreturn valve core 37, overcome the application force of spring 41, nonreturn valve core 37 is pushed away to valve seat, and fluid enters HM Hydraulic Motor 10 epicoeles through annular chamber 38, nonreturn valve core side opening 39, nonreturn valve core mesopore 40, oil through 35 again.In HM Hydraulic Motor, hydraulic fluid port 15 is connected with the pipeline 9 32 of hydraulic efficiency pressure system, and under HM Hydraulic Motor, hydraulic fluid port 16 is connected with the pipeline 7 30 of hydraulic efficiency pressure system.When hydraulic efficiency pressure system by pipeline 9 32 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 by pipeline 6 29 and HM Hydraulic Motor under hydraulic fluid port 16 while providing high pressure oil to HM Hydraulic Motor cavity of resorption, can drive HM Hydraulic Motor 10 contrarotations, and by 12 contrarotations of output shaft driven gear, gear 12, by being meshed with the tooth bar 14 being arranged on fixed frame right column 13, is realized 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 18 and check valve 24 in hydraulic efficiency pressure system play equilibrium activity, gravity that can balance lifting frame.The Median Function of the solenoid directional control valve 23 in hydraulic efficiency pressure system is " H " type.
A kind of Dual Drive lifting mechanism that the utility model provides, 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 23 is in right position mode of operation, the oil inlet of oil pump 22 is by oil filter 21 oil suction from fuel tank 17, the high pressure oil of oil pump 22 oil outlets is by pipeline 4 27, the right position of solenoid directional control valve 23, pipeline 5 28, check valve 24, pipeline 8 31, pipeline 9 32, in HM Hydraulic Motor, hydraulic fluid port 15, plug mesopore 36, arrive the left end of nonreturn valve core 37, overcome the application force of spring 41, nonreturn valve core 37 is pushed away to valve seat, fluid passes through annular chamber 38 again, nonreturn valve core side opening 39, nonreturn valve core mesopore 40, oil through 35 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 17 by hydraulic fluid port under HM Hydraulic Motor 16, pipeline 7 30, pipeline 6 29, the right position of solenoid directional control valve 23.
(2), hydraulic power drives the decline state of lifting mechanism: solenoid directional control valve 23 is in left position mode of operation, the oil inlet of oil pump 22 is by oil filter 21 oil suction from fuel tank 17, the high pressure oil of oil pump 22 oil outlets is by pipeline 4 27, the left position of solenoid directional control valve 23, pipeline 6 29, pipeline 7 30, under HM Hydraulic Motor, hydraulic fluid port 16 enters HM Hydraulic Motor 10 cavity of resorptions, drive HM Hydraulic Motor 10 contrarotations, and by 12 contrarotations of output shaft driven gear, gear 12 is by being meshed with the tooth bar 14 being arranged on fixed frame right column 13, realize the down maneuver of elevator platform 2.The low pressure oil of HM Hydraulic Motor 10 epicoeles is got back to fuel tank 17 by hydraulic fluid port 15, pipeline 9 32, pipeline 1, balancing overflow valve 18 in HM Hydraulic Motor 10 oil throughs 35, nonreturn valve core mesopore 40, damping hole 34, plug mesopore 36, HM Hydraulic Motor.
(3), hydraulic power drives the halted state of lifting mechanism: solenoid directional control valve 23 is in meta mode of operation, if oil pump 22 does not quit work, the oil inlet of oil pump 22 is by oil filter 21 oil suction from fuel tank 17, the fluid of oil pump 22 oil outlets is by pipeline 4 27, solenoid directional control valve 23 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 18, under the combined action of check valve 24, 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 22 is in the state of quitting work, and solenoid directional control valve 23 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 by oil through 35, 40 oil suctions of nonreturn valve core mesopore, and form negative pressure, act on nonreturn valve core 37, overcome the application force of spring 41, nonreturn valve core 37 is pushed away to valve seat, pass through again nonreturn valve core side opening 39, annular chamber 38, plug mesopore 36, in HM Hydraulic Motor, hydraulic fluid port 15, pipeline 9 32, pipeline 8 31, check valve 24, pipeline 5 28, solenoid directional control valve 23 metas are drawn fluid from fuel tank 17, the hydraulic oil of HM Hydraulic Motor 10 cavity of resorptions is by hydraulic fluid port under HM Hydraulic Motor 16, pipeline 7 30, pipeline 6 29, solenoid directional control valve 23 metas are got back to fuel tank 17, 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 7 30, pipeline 6 29, solenoid directional control valve 23 metas from fuel tank, the hydraulic oil of HM Hydraulic Motor 10 epicoeles is got back to fuel tank 17 by hydraulic fluid port 15, pipeline 9 32, pipeline 1, balancing overflow valve 18 in oil through 35, nonreturn valve core mesopore 40, damping hole 34, plug mesopore 36, 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 18, check valve 24, 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 18 or check valve 24 be et out of order also, the gravity of elevator platform 2 can flow out by being arranged on the damping hole 34 of 37 left ends of the nonreturn valve core in hydraulic fluid port 15 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 34 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 that the utility model provides, 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 that the utility model provides, 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 preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
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 and installs, 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 hydraulic efficiency pressure system comprises fuel tank, oil filter, oil pump, balancing overflow valve, by pass valve, solenoid directional control valve, check 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, 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, plug is installed, on plug, offer plug mesopore, right side at plug also has oil through, the inside of described oil through is provided with check valve container cavity, in check valve container cavity, nonreturn valve core is installed, nonreturn valve core can be in its container cavity sway, the inwall of nonreturn valve core and its container cavity forms annular chamber, the inside of described nonreturn valve core offers nonreturn valve core mesopore, on the sidewall of nonreturn valve core, offer some nonreturn valve core side openings, the left end of nonreturn valve core has the spool conical surface, between plug and nonreturn valve core, spring is installed, the spool conical surface of described spring handle nonreturn valve core left end is pressed on valve seat, the left end of nonreturn valve core also offers damping hole, fluid in described HM Hydraulic Motor epicoele can pass through oil through while discharging, nonreturn valve core mesopore, damping hole, plug mesopore, in HM Hydraulic Motor, the pipeline of hydraulic fluid port and hydraulic efficiency pressure system is connected, described hydraulic efficiency pressure system can be passed through hydraulic fluid port, plug mesopore in pipeline nine, HM Hydraulic Motor, arrive the left end of nonreturn valve core, the application force that overcomes spring, pushes away valve seat nonreturn valve core, and fluid enters HM Hydraulic Motor epicoele through annular chamber, nonreturn valve core side opening, nonreturn valve core mesopore, oil through again, in described HM Hydraulic Motor, hydraulic fluid port is connected with the pipeline nine of hydraulic efficiency pressure system, and under described HM Hydraulic Motor, hydraulic fluid port is connected with the pipeline seven of hydraulic efficiency pressure system, when hydraulic efficiency pressure system by pipeline nine 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 by pipeline six and HM Hydraulic Motor under hydraulic fluid port while providing high pressure oil to HM Hydraulic Motor cavity of resorption, can drive HM Hydraulic Motor contrarotation, and by the contrarotation of output shaft driven gear, gear, by being meshed with the tooth bar being arranged on fixed frame right column, is realized the down maneuver of elevator platform.
2. a kind of 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 check 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057225.6U CN203767806U (en) | 2014-01-29 | 2014-01-29 | Dual-drive lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420057225.6U CN203767806U (en) | 2014-01-29 | 2014-01-29 | Dual-drive lifting mechanism |
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| CN203767806U true CN203767806U (en) | 2014-08-13 |
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| CN201420057225.6U Expired - Fee Related CN203767806U (en) | 2014-01-29 | 2014-01-29 | Dual-drive lifting mechanism |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103787176A (en) * | 2014-01-29 | 2014-05-14 | 河海大学常州校区 | Dual-drive lifting mechanism |
| CN112744690A (en) * | 2021-01-08 | 2021-05-04 | 上海电气风电集团股份有限公司 | Single-blade lifting appliance transmission device and single-blade lifting appliance |
-
2014
- 2014-01-29 CN CN201420057225.6U patent/CN203767806U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103787176A (en) * | 2014-01-29 | 2014-05-14 | 河海大学常州校区 | Dual-drive lifting mechanism |
| CN112744690A (en) * | 2021-01-08 | 2021-05-04 | 上海电气风电集团股份有限公司 | Single-blade lifting appliance transmission device and single-blade lifting appliance |
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