CN107399654B - A kind of construction lift of safe transmission - Google Patents
A kind of construction lift of safe transmission Download PDFInfo
- Publication number
- CN107399654B CN107399654B CN201710924087.5A CN201710924087A CN107399654B CN 107399654 B CN107399654 B CN 107399654B CN 201710924087 A CN201710924087 A CN 201710924087A CN 107399654 B CN107399654 B CN 107399654B
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- Prior art keywords
- power device
- gear
- system module
- brake
- carriage
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 55
- 238000010276 construction Methods 0.000 title claims abstract description 32
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 230000003447 ipsilateral effect Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000007423 decrease Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001314 paroxysmal effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/02—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes
- B66D5/06—Crane, lift hoist, or winch brakes operating on drums, barrels, or ropes with radial effect
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The present invention provides a kind of construction lifts of safe transmission, comprising: carriage, manual overvide, guide rail, rack gear, power device, control system module monitor system module；Power device provides lifting drive for carriage, and manual overvide controls power device by system control module, controls the lifting of carriage；Control system module and monitoring system module are set to car top and are connected with each other；It further include fixed frame, power device is fixed on carriage rear portion by fixed frame, and the two sides of fixed frame are each provided with a rotatable arc wheel, and arc wheel two sides are each provided with the guide rail and rack gear that one connects therewith, the side of rack gear connects with arc wheel, and side connects with power device；Power device is additionally provided with two brakes on the outside of fixed frame；Power device is the single-direction transmission structure using mono-directional overrun clutch.The technical problem to be solved in the present invention is to provide a kind of long service life, the good construction lift of safety.
Description
Technical field
The present invention relates to a kind of construction machinery, the construction lift of especially a kind of safe transmission.
Background technique
Lift of constructing in various engineerings plays an important role, and can accelerate the progress of engineering, reduce the labor of worker
Fatigue resistance.But therewith problem appear to is that having the generation of the accident of construction lift, main original therein during site operation
Because being because caused by the transmission failure of lift.Current construction lift mainly has hawser transmission and turbine and worm transmission,
During running over time, hawser and gear meeting senile abrasion, and then lead to the generation of accident.
Present some enterprises have begun the drive mechanism using rack-and-pinion, but tooth form is worn during actual job
Seriously, construction lift rack-and-pinion just will appear wear phenomenon long very much using the time, needs to be replaced frequently gear, causes to safeguard
The increase of cost；Do not debug when seated, in use cage deformation, idler wheel displacement etc. cause the engagement of rack-and-pinion it is excessively loose,
The variation of tension or contact area increases running danger coefficient.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of long service life, the good construction lift of safety.
In order to solve the above technical problems, the present invention provides a kind of construction lifts of safe transmission, comprising: carriage, hand
Dynamic control device, guide rail, rack gear, power device, control system module monitor system module；The power device is carriage
Lifting drive is provided, the manual overvide controls power device by the system control module, controls
The lifting of the carriage；The control system module is set to the car top with monitoring system module and mutually interconnects
It connects, the working condition of the monitoring system module monitoring construction lift simultaneously gives correlation circumstance real-time Transmission to control system mould
Block；It further include fixed frame, the power device is fixed on the carriage rear portion, the fixed frame by the fixed frame
Two sides be each provided with a rotatable arc wheel, the arc wheel two sides are each provided with the guide rail to connect therewith
And rack gear, guide rail are securable on wall, and the guide rail is engagement guide rail, and the side of the rack gear connects with arc wheel, one
Side connects with power device；The power device includes braking motor, driving gear Z, transmission gear Z, synchromesh gear, hydraulic
Cylinder, shift plate, splined hub, combined cover, transmission gear Y, idle pulley, driving gear Y and angular wheel group, the fixed frame two
The rack gear of side is connect with the transmission gear Z and transmission gear Y respectively, the rack gear and the transmission gear Z and biography
Moving gear Y matches；The power device also set up there are two with the control system module and monitor system mould
The brake of block connection, the brake is located at the outside of fixed frame, coaxial with the driving gear Z and driving gear Y；
The power device is the single-direction transmission structure using mono-directional overrun clutch, is passed using mono-directional overrun clutch as unidirectional
Dynamic guarantee structure makes rising gear that can only carry out upward transmission, the transmission that the gear of decline can only be declined.Braking electricity
Machine provides power in driving, provides certain braking when stopping, and is given power progress vertical-transmission by angular wheel group
Driving gear Z and driving gear Y, driving gear Z and driving gear Y are engaged with synchromesh gear respectively, drive synchromesh gear
Rotation, when carrying out vertical motion, hydraulic cylinder drives shift plate to promote the splined hub in left side in the combined cover of left side, at this time power
It is transmitted to transmission gear Z by transmission gear Z axis, realizes the movement of rising.It is hydraulic when the weight deficiency of lift bridge case decline
The alternative shift plate of cylinder promotes splined hub in the combined cover on right side, and power is transmitted to transmission gear Y by transmission gear Y-axis at this time,
Realize the movement of decline, wherein idle pulley mainly realizes the purpose for being driven in Meshing Process of Spur Gear and not changing steering, makes transmission gear
It is opposite with the steering of transmission gear.
Power is provided by power device, carriage is made to rise or decline, passes through control system module and monitoring system module
Real-time monitoring, monitoring system module default safe operation speed when dispatching from the factory, when the speed monitored is big are carried out to the speed of carriage
When safe speed, it is notified that control system module, the fortune of carriage is adjusted by control system module control power device
Scanning frequency degree, and the information by feeding back compares, and discovers whether that there are failures；During decline, by braking motor and
Brake carries out control decrease speed, and when the weight of carriage is not enough to decline automatically, it is dynamic to give carriage for power device work
Power, when the weight of carriage is fully able to guarantee under conditions of brake operation the speed decline of safety, brake operation, control
Decrease speed processed.It is at a fully engaged between wheel and rack to guarantee power device, using engagement guide rail limiting gear and rack gear
The distance between, brake and power gear in the same module, wherein some module when something goes wrong, other moulds
Block can still work normally, and improve the safety coefficient of lift.
It preferably, is drum brake with the driving gear Z ipsilateral brake as further Optimal improvements
Device, the drum brake is by spragging gear, braking magnet ring, Drum brake linings, Breake Electromagnet, drum brake disk and brake material
Composition.Braking magnet ring and brake material are connected to drum brake on piece, form a whole, Breake Electromagnet is fixed on drum-type system
It on Moving plate, attracts each other between Breake Electromagnet and braking magnet ring after assembly, when needing to brake, Breake Electromagnet is powered, magnetic pole
Conversion makes Breake Electromagnet and braking magnet ring mutual exclusion, and repulsive force makes to brake magnet ring drive Drum brake linings and brake material is outside
Movement, and braking effect is realized with drum brake disk phase mutual friction.
It preferably, is drum brake with the driving gear Z ipsilateral brake as further Optimal improvements
Device, the drum brake is by spragging gear, braking magnet ring, Drum brake linings, Breake Electromagnet, drum brake disk and brake material
Composition.When needing emergency braking, braked using disc type brake structure.Disc brake rotor is connect with spragging gear, disc type
Brake block is connected with checking cylinder, when needing emergency braking, brakes cylinder working, and pushing disc brake pad to move downward makes disc type stop
Friction catch between vehicle piece and disc brake rotor.
Preferably, as further Optimal improvements, the manual overvide, power device, control system module
It is inside all provided with the sensor connecting with the monitoring system module, the monitoring system module can pass through the sensing
Device carries out real-time monitoring.
Preferably, as further Optimal improvements, in order to allow the more sturdy and durable of carriage, outside the carriage
Surface is provided with diagonal brace fixed frame.
Preferably, described as further Optimal improvements in order to allow the operation of the construction lift energy safety and steady
Power device shares four groups, is evenly arranged in the rear portion of the carriage, and every group of power device is all provided with two guide rails and two
Toothed rack.Four groups of power devices keep power more abundant, can also rise safely even if part of power device failure and
Landing.
Preferably, as further Optimal improvements, when in order to mitigate carriage landing and the collision dynamics on ground and into
One step increases comfort, and the bottom of the carriage is provided with buffering pneumatic cushion.
Preferably, it as further Optimal improvements, for the safety of the further construction lift, is additionally provided with and keeps away
Thunder earthing or grounding means, even if encountering paroxysmal Thunderstorm Weather still and can ensureing the personnel safety in carriage.
Compared with prior art, the invention has the advantages that power device is the single-direction transmission using mono-directional overrun clutch
Mechanism, the design can effectively prevent carriage to fall suddenly, support personnel's safety；Engage guide rail, arc wheel, rack gear and power device
Position Design theory can allow rack gear preferably to contact and work with the gear of power device；Drum brake and disc type brake
The setting of device can ensure braking and emergency braking when carriage raising and lowering.Buffering pneumatic cushion and lightning protection earthing device are set
It sets, has further ensured the safety and comfort work operation of construction lift.
Detailed description of the invention
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fig. 1 is overall structure schematic diagram of the invention.
Fig. 2 is details schematic diagram of the invention.
Fig. 3 is the power device schematic diagram of drum brake side of the invention.
Fig. 4 is the power device schematic diagram of disk brake side of the invention.
Fig. 5 is power device schematic diagram of the invention.
Fig. 6 is power device detailed diagram of the invention.
Fig. 7 is drum brake schematic diagram of the invention.
Fig. 8 is disk brake schematic diagram of the invention.
Fig. 9 is the working principle of the invention schematic diagram.
Specific embodiment
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, safe transmission of the invention hereafter
Construction lift will be cooperated appended relevant drawings, be elaborated with preferred embodiment.
In the description of the present invention, it should be noted that term " on ", "lower", "vertical", "horizontal", "inner", "outside"
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.
The construction lift of the safe transmission of the present embodiment, as shown in Figures 1 to 6, comprising: carriage 1 manually controls dress
It sets, guide rail 2, rack gear 3, power device 4, control system module 5, monitors system module 6；Power device 4 is that carriage 1 provides lifting
Power, manual overvide control power device 4 by system control module 5, control the lifting of carriage 1；Control system
System module 5 and monitoring system module 6 are set to 1 top of carriage and are connected with each other, the monitoring monitoring construction lift of system module 6
Working condition and by correlation circumstance real-time Transmission to control system module 5；It further include fixed frame 7, fixed frame 7 is by the power
Device 4 is fixed on 1 rear portion of carriage, and the two sides of fixed frame 7 are each provided with a rotatable arc wheel 8, and 8 two sides of arc wheel are each provided with
A piece guide rail 2 and rack gear 3 to connect therewith, guide rail 2 are securable on wall, guide rail 2 be engagement guide rail, the side of rack gear 3 with
Arc wheel 8 connects, and side connects with power device 4；Power device 4 includes braking motor 11, driving gear Z12, transmission gear
Z13, synchromesh gear 14, hydraulic cylinder 15, shift plate 16, splined hub 17, combined cover 18, transmission gear Y19, idle pulley 20, driving tooth
Wheel Y21 and angular wheel group 22, the rack gear 3 of 7 two sides of fixed frame are connect with transmission gear Z13 and transmission gear Y19 respectively, rack gear
3 match with transmission gear Z13 and transmission gear Y19；Each power device 4 also set up there are two with control system module 5 and
The brake that system module 6 connects is monitored, brake is located at the outside of fixed frame 7, with driving gear Z12 and driving gear Y21
Coaxially；Power device 4 is the single-direction transmission structure using mono-directional overrun clutch.
As shown in fig. 7, being drum brake 9 with driving gear Z12 ipsilateral brake, the drum brake 9 is by braking
Gear 24, braking magnet ring 25, Drum brake linings 26, Breake Electromagnet 27, drum brake disk 28 and brake material 29 form.
As shown in figure 8, being disk brake 10 with driving gear Y21 ipsilateral brake, the disk brake is by braking
Gear 31, disc brake rotor 32, disc brake pad 33 and checking cylinder 34 form.
As shown in Figure 1,1 outer surface of carriage is provided with diagonal brace fixed frame 23.Power device 4 shares four groups, is evenly arranged in
The rear portion of carriage 1, every two groups of longitudinally arranged power devices 4 are provided with elongated two guide rails 2 and two toothed racks 3.
Specific working principle, construction lift are opened by manual overvide, by control system after lower switch to each
A system module and device transmit electric power, and each module and device is made to work, and then monitor system and carry out to whole system
Monitoring, checks whether faulty, while checking whether each bolt pre-tightens safely by each sensor, when detection is without mistaking, moves
The work of power device, while the movement risen or fallen according to the instruction of manual overvide, carry out power by braking motor
The normal operation of lift is realized in conveying by gear drives at different levels.Control system control shift hydraulic cylinder makes to rise when rising
Splined hub connect with combined cover, be driven, power be transmitted to rising transmission gear, control system will control shift when decline
Hydraulic cylinder make it is lower by splined hub and combine connect, send power to decline transmission gear, when monitoring system detection to decline
Power it is excessive when, control system sends instructions to braking system, so that drum brake is worked, carry out speed regulation, make speed
Within safe range, when lift stops, monitoring system sends halt instruction, control system control brake to control system
And power device, make brake operation, power device stops working.When the system of monitoring is when lift works, discovery has exception,
The work that control system carries out brake is sent instructions to, stops construction lift in time, guarantees safety.
In conclusion the present invention is by using the power device of mono-directional overrun clutch, control system module monitors system mould
In the integrated uses such as block, drum brake and disk brake to the construction lift of safe transmission, do not have in existing field
It is mentioned, and the utilization of the relevant technologies, enables the construction lift of the safe transmission have lot of advantages, such as effectively prevent carriage
It falls suddenly during raising and lowering, brake further guarantees safety and intelligence degree height etc..Therefore, originally
Invention has substantive distinguishing features outstanding and significant progress.
The above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of construction lift of safe transmission, comprising: carriage (1), manual overvide, guide rail (2), rack gear (3), power
Device (4), control system module (5) monitor system module (6)；The power device (4) is that carriage (1) offer lifting is dynamic
Power, the manual overvide controls power device (4) by the control system module (5), described in control
Carriage (1) lifting；The control system module (5) and monitoring system module (6) is set at the top of the carriage (1)
And it is connected with each other, the working condition of described monitoring system module (6) the monitoring construction lift and by correlation circumstance real-time Transmission
Give control system module (5)；It is characterized by also including fixed frame (7), the fixed frame (7) is by the power device
(4) it is fixed on described carriage (1) rear portion, the two sides of the fixed frame (7) are each provided with a rotatable arc wheel (8),
Described arc wheel (8) two sides are each provided with the guide rail (2) and rack gear (3) to connect therewith, and guide rail (2) is securable to
On wall, the guide rail (2) is engagement guide rail, and the side of the rack gear (3) connects with arc wheel (8), and side and power fill
(4) are set to connect；The power device (4) includes braking motor (11), driving gear Z(12), transmission gear Z(13), it is synchronous
Gear (14), hydraulic cylinder (15), shift plate (16), splined hub (17), combined cover (18), transmission gear Y(19), idle pulley (20),
Driving gear Y(21) and angular wheel group (22), the rack gear (3) of the fixed frame (7) two sides respectively with the driving cog
Take turns Z(13) and transmission gear Y(19) connection, the rack gear (3) and the transmission gear Z(13) and transmission gear Y(19)
Match；The power device (4) also set up there are two with the control system module (5) and monitor system module
(6) brake connected, the brake is located at the outside of fixed frame (7), with the driving gear Z(12) and driving tooth
Take turns Y(21) it is coaxial；The power device (4) is the single-direction transmission structure using mono-directional overrun clutch；
Lift of constructing is opened by manual overvide, is conveyed by control system after lower switch to each system module and device
Electric power makes each module and device work, then monitor system whole system is monitored, check whether it is faulty,
It checks whether each bolt pre-tightens safely by each sensor simultaneously, mistakes when detecting nothing, power device work, while according to hand
The movement that the instruction of dynamic control device is risen or fallen, carries out power transmission by braking motor, passes through gear drives at different levels
Realize the normal operation of lift.
2. the construction lift of safe transmission according to claim 1, it is characterised in that: with the driving gear Z
(12) ipsilateral brake is drum brake (9), and the drum brake (9) is by the first spragging gear (24), braking magnet ring
(25), Drum brake linings (26), Breake Electromagnet (27), drum brake disk (28) and brake material (29) composition.
3. the construction lift of safe transmission according to claim 1 or 2, it is characterised in that: with the driving gear Y
(21) ipsilateral brake is disk brake (10), and the disk brake (10) is by the second spragging gear (31), disc type brake
Disk (32), disc brake pad (33) and checking cylinder (34) composition.
4. the construction lift of safe transmission according to claim 3, it is characterised in that: the manual overvide,
The sensor connecting with the monitoring system module, the monitoring system are all provided in power device, control system module
Module of uniting can carry out real-time monitoring by the sensor.
5. the construction lift of safe transmission according to claim 4, it is characterised in that: described carriage (1) outer surface
It is provided with diagonal brace fixed frame (23).
6. the construction lift of safe transmission according to claim 4 or 5, it is characterised in that: the power device (4)
Four groups are shared, is evenly arranged in the rear portion of the carriage (1), every two groups of longitudinally arranged power devices (4) are provided with elongated
Two guide rails (2) and two toothed racks (3).
7. the construction lift of safe transmission according to claim 6, it is characterised in that: the bottom of the carriage (1)
It is provided with buffering pneumatic cushion.
8. the construction lift of safe transmission according to claim 7, it is characterised in that: be additionally provided with lightning protection earthing dress
It sets.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924087.5A CN107399654B (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
| CN201811362268.4A CN109650211A (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
| CN201811362267.XA CN109665404A (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710924087.5A CN107399654B (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811362268.4A Division CN109650211A (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
| CN201811362267.XA Division CN109665404A (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
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| Publication Number | Publication Date |
|---|---|
| CN107399654A CN107399654A (en) | 2017-11-28 |
| CN107399654B true CN107399654B (en) | 2019-01-22 |
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| CN201811362267.XA Pending CN109665404A (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
| CN201710924087.5A Expired - Fee Related CN107399654B (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
| CN201811362268.4A Pending CN109650211A (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811362267.XA Pending CN109665404A (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
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| CN201811362268.4A Pending CN109650211A (en) | 2017-09-30 | 2017-09-30 | A kind of construction lift of safe transmission |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108609524B (en) * | 2018-08-02 | 2023-07-04 | 北京交通大学 | Elevator for building construction |
| CN109761133B (en) * | 2019-03-26 | 2020-06-09 | 济南工程职业技术学院 | Knapsack formula elevator |
| CN111689335B (en) * | 2020-07-28 | 2024-05-28 | 重庆迈高电梯有限公司 | Multi-group safety tongs linkage device and braking method thereof |
| CN113735032B (en) * | 2021-08-27 | 2023-08-04 | 成都兰腾科技有限公司 | Wall body hoisting device |
| CN115288502B (en) * | 2022-08-02 | 2023-05-16 | 广东正合智能设备有限公司 | Lifting car of stereo garage |
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- 2017-09-30 CN CN201811362267.XA patent/CN109665404A/en active Pending
- 2017-09-30 CN CN201710924087.5A patent/CN107399654B/en not_active Expired - Fee Related
- 2017-09-30 CN CN201811362268.4A patent/CN109650211A/en active Pending
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107399654A (en) | 2017-11-28 |
| CN109665404A (en) | 2019-04-23 |
| CN109650211A (en) | 2019-04-19 |
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