CN104340795B - Added-section safety protection control system, method and device as well as construction hoist - Google Patents
Added-section safety protection control system, method and device as well as construction hoist Download PDFInfo
- Publication number
- CN104340795B CN104340795B CN201410455363.4A CN201410455363A CN104340795B CN 104340795 B CN104340795 B CN 104340795B CN 201410455363 A CN201410455363 A CN 201410455363A CN 104340795 B CN104340795 B CN 104340795B
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- operator
- height
- identity information
- cage
- supernumerary segment
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- 238000010276 construction Methods 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000012423 maintenance Methods 0.000 claims description 43
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
Classifications
-
- 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
- B66B5/0012—Devices monitoring the users of the elevator system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- 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
- B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B2201/00—Aspects of control systems of elevators
Abstract
The invention discloses an added-section safety protection control system, method and device as well as a construction hoist, which can improve the safety for working aloft. The system comprises an identity recognition module, a height detection module, a safety height module, and a controller, wherein the identity recognition module is used for acquiring identity information of operators; the height detection module is used for detecting the height of a cage of the construction hoist; the safety height module is used for setting the safety height of the cage; the controller comprises a height acquisition module and a driving module; the height acquisition module is used for acquiring the height of the cage, which is detected by the height detection module; the driving module is used for driving the cage to move; when the identity information of the operators, which are acquired by the identity recognition module, meets the access conditions of engineering construction personnel, and the height of the cage is up to the safety height, the controller controls the driving module to conduct power outage.
Description
Technical field
The present invention relates to engineering machinery control technology field, particularly relate to the supernumerary segment safety of a kind of building hoist
Protection control system, method, device and building hoist.
Background technology
In recent years, building hoist uses in construction in a large number as vertical transportation machinery.Construction lifting
The guide rail bracket of machine is built by standard knot and is constituted, and guide rail bracket is provided with tooth bar；The cage of building hoist is provided with
Gear, rack and pinion is engaged；The control instruction inputted to the controller of building hoist according to operator,
By the driving module of cage, then can realize driving cage to move up and down along guide rail bracket.
Along with the demand of construction, the highly desirable increase of guide rail bracket of building hoist, i.e. need to increase mark
The quantity of quasi-joint.Due to increase standard knot (hereinafter referred supernumerary segment) operation to the technical merit of staff,
Operating experience requires higher, so what supernumerary segment operation was typically carried out by the plant maintenance personnel of specialty, specially
After the plant maintenance personnel of industry complete supernumerary segment operation, common engineering construction personnel can start cage, carries out
The transport of material, personnel in building construction process.
At present, going out guide rail bracket for avoiding cage to rise, the top two of composition guide rail bracket is saved standard knot and is not set
There is tooth bar.The plant maintenance personnel of specialty, when carrying out supernumerary segment operation, need first to the control of building hoist
Device input instruction, the supernumerary segment module in instruction controller controls building hoist and enters supernumerary segment state.Work as construction
When elevator is not in supernumerary segment state, building hoist is not responding to any supernumerary segment operational order, i.e. will not enter
Row supernumerary segment operates；When building hoist is in supernumerary segment state, building hoist could respond a series of adding
Joint operational order, carries out follow-up supernumerary segment operation: removed by the two joint standard knots being topmost not provided with tooth bar,
After carrying out the increase installation of standard knot, then the two joint standard knots being not provided with tooth bar are arranged on topmost.So far,
Just calculate supernumerary segment operation.
But, when the plant maintenance personnel of specialty leave in carrying out supernumerary segment operating process for some reason, suspend and added
During joint operation, the two joint standard knots being not provided with tooth bar are not installed at topmost, if the most common engineering construction
Personnel start cage in the case of unwitting then may go out guide rail bracket, produces serious damage sequence, aobvious
So operational security is relatively low.
Summary of the invention
The embodiment of the present invention provides the supernumerary segment safety protection control system of a kind of building hoist, method, device
And building hoist, in order to improve operational security.
The embodiment of the present invention provides the supernumerary segment safety protection control system of a kind of building hoist, including:
Identification module, is used for obtaining operator's identity information；
Height detection module, for detecting the height of the cage of building hoist；
Safe altitude module, for setting the safe altitude of described cage；
Controller, including height acquisition module with drive module, described height acquisition module is used for obtaining described
The height of the cage that height detection module detects, described driving module is used for driving described cage to move；?
When operator's identity information that described identification module obtains meets engineering construction personnel's prescribed profile, if
The height of described cage reaches safe altitude, and described controller controls described driving module power-down.
The embodiment of the present invention also provides for the supernumerary segment safety protection control method of a kind of building hoist, including:
Obtain the height of the cage of building hoist；
When operator's identity information meets engineering construction personnel's prescribed profile, if the height of described cage reaches
To safe altitude, control the driving module power-down for driving described cage to move.
The embodiment of the present invention also provides for the supernumerary segment security protection and control device of a kind of building hoist, including:
Acquiring unit, for obtaining the height of the cage of building hoist；
Control unit, is used for when operator's identity information meets engineering construction personnel's prescribed profile, if institute
The height stating cage reaches safe altitude, controls the driving module power-down for driving described cage to move.
The embodiment of the present invention also provides for a kind of building hoist, including:
The supernumerary segment safety protection control system of the above-mentioned building hoist that the embodiment of the present invention provides.
The beneficial effect comprise that
In the scheme that the embodiment of the present invention provides, operator's identity information is identified, operator
When identity information meets engineering construction personnel's prescribed profile, show that the operator of now building hoist are for general
Logical engineering construction personnel, now, judge the height of the cage of building hoist, when the height of cage
When degree reaches default safe altitude, controlling the driving module power-down of cage, cage stops rising；Obviously,
Even if the plant maintenance personnel in specialty carry out having suspended in supernumerary segment operating process operation, it is not provided with the two of tooth bar
When joint standard knot is not installed at topmost, default safe altitude can limit the range of movement of cage, commonly
Engineering construction personnel in the case of unwitting, start cage also will not go out guide rail bracket, it is to avoid accident
Produce, improve operational security.
Accompanying drawing explanation
Accompanying drawing is for providing a further understanding of the present invention, and constitutes a part for description, with this
Bright embodiment is used for explaining the present invention together, is not intended that limitation of the present invention.In the accompanying drawings:
The structure of the supernumerary segment safety protection control system of the building hoist that Fig. 1 provides for the embodiment of the present invention is shown
One of it is intended to；
The structure of the supernumerary segment safety protection control system of the building hoist that Fig. 2 provides for the embodiment of the present invention is shown
The two of intention；
The flow process of the supernumerary segment safety protection control method of the building hoist that Fig. 3 provides for the embodiment of the present invention
Figure；
The structure of the supernumerary segment security protection and control device of the building hoist that Fig. 4 provides for the embodiment of the present invention is shown
It is intended to.
Detailed description of the invention
In order to provide the implementation improving operational security, embodiments provide a kind of construction lifting
Supernumerary segment safety protection control system, method, device and the building hoist of machine, below in conjunction with Figure of description
The preferred embodiments of the present invention are illustrated, it will be appreciated that preferred embodiment described herein is only used for
The description and interpretation present invention, is not intended to limit the present invention.And in the case of not conflicting, in the application
Embodiment and embodiment in feature can be mutually combined.
The embodiment of the present invention provides the supernumerary segment safety protection control system of a kind of building hoist, as it is shown in figure 1,
Including:
Identification module 101, is used for obtaining operator's identity information；
Height detection module 102, for detecting the height of the cage of building hoist；
Safe altitude module 103, for setting the safe altitude of this cage；
Controller 100, including height acquisition module 1001 and driving module 1002, height acquisition module 1001
For obtaining the height of the cage that height detection module 102 detects, module 1002 is driven to be used for driving this
Cage moves；The operator's identity information obtained at identification module 101 meets engineering construction personnel power
During limit condition, if the height of this cage reaches safe altitude, controller 100 controls to drive module 1002 to break
Electricity.
The i.e. supernumerary segment safety protection control system of the building hoist that the embodiment of the present invention provides, first to operator
The identity of member is identified, and determines the identity of operator, different for different operator's operating rights.
In embodiments of the present invention, operator are divided into common engineering construction personnel and the plant maintenance people of specialty
Member.The operator's identity information obtained at identification module 101 meets engineering construction personnel's prescribed profile
Time, show that current operator are common engineering construction personnel；Obtain at identification module 101
When operator's identity information meets plant maintenance personnel's prescribed profile, show that current operator are for specialty
Plant maintenance personnel.
Actual when implementing, each operator can hold an IC-card, the plant maintenance personnel of specialty and
Common engineering construction personnel hold different IC-cards, and it is special for i.e. distinguishing current operator by IC-card
The plant maintenance personnel of industry, or common engineering construction personnel.
The most now, operator's identity information is specially operator's IC card information, identification module 101
It is specially IC-card card reader.
During actual enforcement, can construct rise only when operator are after IC-card card reader is inserted into IC-card
Fall machine just can work on power, and IC-card card reader obtains operator's IC card information, when operator's IC-card is believed
When breath meets engineering construction personnel's prescribed profile, show that current operator are common engineering construction people
Member, has the operating right of common engineering construction personnel；When operator's IC card information meets equipment dimension
When protecting personnel's prescribed profile, show the plant maintenance personnel that current operator are specialty, there is specialty
The operating right of plant maintenance personnel.
Above-mentioned employing IC-card characterizes the mode of identity and is only an example, is not intended to limit the present invention.
In the supernumerary segment safety protection control system of the building hoist of embodiment of the present invention offer, safe altitude
Module 103, specifically may be used for meeting at operator's identity information that identification module 101 obtains setting
During standby attendant's prescribed profile, set the safe altitude of cage.The most professional plant maintenance personnel's
Operating right includes setting safe altitude, and common engineering construction personnel can not set safe altitude.
After the plant maintenance personnel setting safe altitude of specialty, common engineering construction personnel execute in operation
During work elevator, the height of cage can be monitored by controller 100 according to this safe altitude, height detection
Module 102 detects the height of cage, and when the height of cage reaches safe altitude, controller 100 controls to hang
Driving module 1002 power-off of cage, i.e. controls cage and stops rising.Obviously, by the safe altitude set,
The common engineering construction personnel operational security when operating building hoist can be improved.
Above-mentioned height detection module 102 is specifically as follows but is not limited to enumerator.
In the supernumerary segment safety protection control system of the building hoist of embodiment of the present invention offer, such as Fig. 2 institute
Showing, controller 100 can also include supernumerary segment module 1003, is used for controlling building hoist and is in supernumerary segment state；
The operator's identity information obtained at identification module 101 is unsatisfactory for plant maintenance personnel's prescribed profile
Time, controller 100 does not indicate supernumerary segment module 1003 to control building hoist and enters supernumerary segment state；In identity
When operator's identity information that identification module 101 obtains meets plant maintenance personnel's prescribed profile, controller
100 instruction supernumerary segment modules 1003 control building hoist and enter supernumerary segment state；Safe altitude module 103, tool
Body for controller 100 received supernumerary segment operation determine instruction after, set the safe altitude of this cage.
The i.e. operating right of the plant maintenance personnel of specialty can also include carrying out supernumerary segment operation, other operation
Personnel can not carry out supernumerary segment operation.Above-mentioned supernumerary segment state refers to the motorized winch batten at cage top, cage top maneuver box
Deng entrance duty, when building hoist is in supernumerary segment state, building hoist could respond a series of
Supernumerary segment operational order；Do not enter supernumerary segment state and refer to that the motorized winch batten at cage top, cage top maneuver box etc. enter
Entering off working state, when building hoist is not in supernumerary segment state, building hoist is not responding to any adding
Joint operational order.And the safe altitude of cage can be revised, can be every the plant maintenance personnel of specialty
Secondary determine be connected firmly between the standard knot newly added and primary standard joint, confirmed to set when supernumerary segment operates new
Safe altitude, now cage can arrive safe and sound a new height.Specifically when setting new safe altitude,
The height that the plant maintenance personnel of specialty can detect according to supernumerary segment operating process camber detection module 102
Data are set.
Supernumerary segment safety protection control system that is visible, that use the embodiment of the present invention to provide, defines common work
The maximum vertical penetration when cage of building hoist is manipulated by journey workmen, it is possible to increase construction rises
The operational security of fall machine.Further, only professional plant maintenance personnel just can carry out supernumerary segment operation and safety
The setting and modifying operation of height, therefore, it is possible to be further ensured that the operational security of building hoist.
The embodiment of the present invention also provides for a kind of building hoist, and the supernumerary segment including above-mentioned building hoist is protected safely
Protect control system.
Accordingly, the embodiment of the present invention additionally provides the supernumerary segment safety protection control side of a kind of building hoist
Method, as it is shown on figure 3, comprise the steps:
Step 301, obtain the height of cage of building hoist；
Step 302, when operator's identity information meets engineering construction personnel's prescribed profile, if this cage
Height reach safe altitude, control the driving module power-down for driving this cage to move.
Wherein, operator's identity information is specifically as follows but is not limited to operator's IC card information.
It is also preferred that the left this safe altitude sets when operator's identity information meets plant maintenance personnel's prescribed profile
Fixed.
It is also preferred that the left when operator's identity information is unsatisfactory for plant maintenance personnel's prescribed profile, do not indicate use
The supernumerary segment module being in supernumerary segment state in control building hoist controls building hoist entrance supernumerary segment state；
When operator's identity information meets plant maintenance personnel's prescribed profile, this supernumerary segment module is indicated to control
Building hoist enters supernumerary segment state；This safe altitude specifically received supernumerary segment operation determine instruction after
Set.
I.e. in the supernumerary segment safety protection control method that the embodiment of the present invention provides, at operator's identity information
When meeting plant maintenance personnel's prescribed profile, when the most current operator are the plant maintenance personnel of specialty,
Can carry out supernumerary segment operation, when confirming that supernumerary segment has operated, the renewal that just can carry out safe altitude sets
Fixed；When supernumerary segment unconfirmed has operated, it is not possible to carry out the more new settings of safe altitude.
Assume that operator's identity information is specially operator's IC card information, use IC-card card reader to obtain
Operator's identity information, uses the height of the cage of enumerator detection building hoist, real based on the present invention
Executing the supernumerary segment safety protection control method of the building hoist that example provides, the plant maintenance personnel of specialty add
Specifically comprising the following steps that of joint operation
The first step, IC-card is inserted IC-card card reader by the plant maintenance personnel of specialty, if identity information is known
Not successful, building hoist enters supernumerary segment state, and supernumerary segment operation can start；
Second step, plant maintenance personnel, with motorized winch batten handling standard knot, carry out descending operation；
3rd step, cage rises standard knot alignment track frame when arrival needs supernumerary segment position, fastens screw, warp
After safety inspection, if any the needs of continuation supernumerary segment, cage is dropped to next joint standard knot of ground handling, as
This saves until being added to desired N repeatedly；As do not continued the needs of supernumerary segment, cage is down to lower limit；
4th step, after confirming that supernumerary segment has operated, reads the elevation information by counter measures and revises new
Safe altitude；
5th step, extracts IC-card, power cut-off.
After above-mentioned steps is fully completed, if inserting common engineering construction personnel in IC-card card reader
IC-card when operating, the upper limit of the lifting altitude of cage is new safe altitude.
If above-mentioned steps is not fully completed, when staff leaves for some reason and suspends supernumerary segment operation, if at IC
Card reader inserts the IC-card of common engineering construction personnel and operates, the upper limit of the lifting altitude of cage
It is still original safe altitude, therefore, it is possible to ensure operational security.
Based on same inventive concept, according to the supernumerary segment safety of the building hoist that the above embodiment of the present invention provides
Protection control method, correspondingly, the embodiment of the present invention also provides for the supernumerary segment safeguard protection of a kind of building hoist
Controlling device, its structural representation as shown in Figure 4, specifically includes:
Acquiring unit 401, for obtaining the height of the cage of building hoist；
Control unit 402, is used for when operator's identity information meets engineering construction personnel's prescribed profile,
If the height of this cage reaches safe altitude, control the driving module power-down for driving this cage to move.
It is also preferred that the left this safe altitude sets when operator's identity information meets plant maintenance personnel's prescribed profile
Fixed.
It is also preferred that the left control unit 402, it is additionally operable to:
When operator's identity information is unsatisfactory for plant maintenance personnel's prescribed profile, does not indicate and execute for control
Work elevator is in the supernumerary segment module of supernumerary segment state and controls building hoist entrance supernumerary segment state；
When operator's identity information meets plant maintenance personnel's prescribed profile, this supernumerary segment module is indicated to control
Building hoist enters supernumerary segment state；This safe altitude specifically received supernumerary segment operation determine instruction after
Set.
Further, this operator's identity information is specially operator's IC card information.
In sum, the scheme that the embodiment of the present invention provides is used, it is possible to increase the operation peace of building hoist
Quan Xing.
Obviously, those skilled in the art can carry out various change and modification without deviating from this to the present invention
Bright spirit and scope.So, if the present invention these amendment and modification belong to the claims in the present invention and
Within the scope of its equivalent technologies, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. the control system of a building hoist, it is characterised in that including:
Identification module, is used for obtaining operator's identity information；
Height detection module, for detecting the height of the cage of building hoist；
Controller, connects described identification module and described height detection module, for knowing in described identity
When operator's identity information that other module obtains meets engineering construction personnel's prescribed profile, obtain described height
The height of the cage that detection module detects；When the height of cage reaches preset security height, control cage
Driving module power-down；Wherein, the operator that described preset security height obtains at described identification module
Member's identity information sets when meeting plant maintenance personnel's prescribed profile.
2. the system as claimed in claim 1, it is characterised in that described controller, is additionally operable to:
The operator's identity information obtained at described identification module is unsatisfactory for plant maintenance personnel's authority
During condition, if receiving supernumerary segment operational order, not controlling building hoist and entering supernumerary segment state.
3. system as claimed in claim 2, it is characterised in that described controller, is additionally operable to:
The operator's identity information obtained at described identification module meets plant maintenance personnel's authority bar
During part, if receiving supernumerary segment operational order, controlling building hoist and entering supernumerary segment state；
Operator's identity information that described preset security height specifically obtains at described identification module is full
Foot plant maintenance personnel's prescribed profile, and received setting when supernumerary segment operation determines instruction.
4. the system as described in claim 1-3 is arbitrary, it is characterised in that described identification module has
Body is IC-card card reader, and described operator's identity information is specially operator's IC card information.
5. the system as described in claim 1-3 is arbitrary, it is characterised in that described height detection module has
Body is enumerator.
6. the control method of a building hoist, it is characterised in that including:
When operator's identity information meets engineering construction personnel's prescribed profile, obtain hanging of building hoist
The height of cage；
When the height of cage reaches preset security height, control the driving module power-down of cage；Wherein, institute
State preset security height to set when operator's identity information meets plant maintenance personnel's prescribed profile；
When operator's identity information is unsatisfactory for plant maintenance personnel's prescribed profile, if receiving supernumerary segment operation
Instruction, does not control building hoist and enters supernumerary segment state.
7. method as claimed in claim 6, it is characterised in that also include:
When operator's identity information meets plant maintenance personnel's prescribed profile, refer to if receiving supernumerary segment operation
Order, controls building hoist and enters supernumerary segment state；
Described preset security height specifically meets plant maintenance personnel's prescribed profile at operator's identity information,
And receive when supernumerary segment operation determines instruction and set.
Method the most as claimed in claims 6 or 7, it is characterised in that described operator's identity information
It is specially operator's IC card information.
9. the control device of a building hoist, it is characterised in that including:
Acquiring unit, for when operator's identity information meets engineering construction personnel's prescribed profile, obtains
The height of the cage of building hoist；
Control unit, for when the height of cage reaches preset security height, controls the driving module of cage
Power-off；Wherein, described preset security height meets plant maintenance personnel's authority bar at operator's identity information
Set during part；
When operator's identity information is unsatisfactory for plant maintenance personnel's prescribed profile, if receiving supernumerary segment operation
Instruction, does not control building hoist and enters supernumerary segment state.
10. device as claimed in claim 9, it is characterised in that described control unit, is additionally operable to:
When operator's identity information meets plant maintenance personnel's prescribed profile, refer to if receiving supernumerary segment operation
Order, controls building hoist and enters supernumerary segment state；
Described preset security height specifically meets plant maintenance personnel's prescribed profile at operator's identity information,
And receive when supernumerary segment operation determines instruction and set.
11. devices as described in claim 9 or 10, it is characterised in that described operator's identity is believed
Breath is specially operator's IC card information.
12. 1 kinds of building hoists, it is characterised in that including:
The control system of the building hoist as described in claim 1-5 is arbitrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410455363.4A CN104340795B (en) | 2014-09-09 | 2014-09-09 | Added-section safety protection control system, method and device as well as construction hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410455363.4A CN104340795B (en) | 2014-09-09 | 2014-09-09 | Added-section safety protection control system, method and device as well as construction hoist |
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| Publication Number | Publication Date |
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| CN104340795A CN104340795A (en) | 2015-02-11 |
| CN104340795B true CN104340795B (en) | 2017-01-11 |
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| CN201410455363.4A Active CN104340795B (en) | 2014-09-09 | 2014-09-09 | Added-section safety protection control system, method and device as well as construction hoist |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105956451B (en) * | 2016-05-05 | 2018-08-31 | 长沙海川自动化设备有限公司 | For tower crane, the personal identification method and device of building hoist |
| CN109019196B (en) * | 2018-10-29 | 2024-03-19 | 湖北江汉建筑工程机械有限公司 | Suspension cage and base station braking linkage control assembly and method for suspension lifter |
| CN111847168B (en) * | 2020-07-28 | 2022-03-08 | 长沙海川自动化设备有限公司 | Height limit control method, device and equipment for construction elevator and storage medium |
| CN112320521B (en) * | 2020-11-12 | 2023-07-14 | 广西建工集团智慧制造有限公司 | Control method of construction elevator jacking monitoring system based on absolute value encoder |
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| CN203311438U (en) * | 2013-02-06 | 2013-11-27 | 长沙海川自动化设备有限公司 | Operator-identity identification system used for construction elevators and tower cranes |
| CN103523630A (en) * | 2013-10-30 | 2014-01-22 | 成都市第二建筑工程公司 | Safe limitation device for preventing elevator cage of building hoist from going beyond roof |
| CN203513020U (en) * | 2013-10-30 | 2014-04-02 | 成都市第二建筑工程公司 | Safe limiting device for preventing puking of cage of building hoist |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE456498B (en) * | 1983-09-28 | 1988-10-10 | Sven Agren | Motor driven lift |
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2014
- 2014-09-09 CN CN201410455363.4A patent/CN104340795B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203311438U (en) * | 2013-02-06 | 2013-11-27 | 长沙海川自动化设备有限公司 | Operator-identity identification system used for construction elevators and tower cranes |
| CN103523630A (en) * | 2013-10-30 | 2014-01-22 | 成都市第二建筑工程公司 | Safe limitation device for preventing elevator cage of building hoist from going beyond roof |
| CN203513020U (en) * | 2013-10-30 | 2014-04-02 | 成都市第二建筑工程公司 | Safe limiting device for preventing puking of cage of building hoist |
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| CN104340795A (en) | 2015-02-11 |
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Application publication date: 20150211 Assignee: ZOOMLION HEAVY INDUSTRY SCIENCE&TECHNOLOGY DEVELOPMENT Co.,Ltd. WEINAN BRANCH Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY Co.,Ltd. Contract record no.: X2023980042749 Denomination of invention: An additional safety protection control system, method, device, and construction elevator Granted publication date: 20170111 License type: Common License Record date: 20231008 Application publication date: 20150211 Assignee: Zoomlion Construction Crane Co.,Ltd. Assignor: ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY Co.,Ltd. Contract record no.: X2023980042704 Denomination of invention: An additional safety protection control system, method, device, and construction elevator Granted publication date: 20170111 License type: Common License Record date: 20231008 |
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