CN105155831A - Variable-frequency construction ascending and descending platform - Google Patents
Variable-frequency construction ascending and descending platform Download PDFInfo
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- CN105155831A CN105155831A CN201510661295.1A CN201510661295A CN105155831A CN 105155831 A CN105155831 A CN 105155831A CN 201510661295 A CN201510661295 A CN 201510661295A CN 105155831 A CN105155831 A CN 105155831A
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Abstract
The invention discloses a variable-frequency construction ascending and descending platform, which comprises a power supply, a motor, an information sender, an information receiver, a PLC (Programmable Logic Controller) control system, a position limiting unit, a speed limiting unit, a variable-frequency unit, a balancing unit and a foot brake standby unit, wherein the input end of the PLC control system is connected with the speed limiting unit, the position limiting unit, the information receiver and the balancing unit; the output end of the PLC control system is connected with the variable-frequency unit; the motor is connected with the variable-frequency unit; and the position limiting unit comprises an upper position limiting unit, an upper limit position limiting unit, a lower position limiting unit, a lower limit position limiting unit, a door body position limiting unit and a stop locking position limiting unit. The variable-frequency construction ascending and descending platform provided by the invention has the characteristics of good safety performance, energy-saving effect, high stability and the like. The foot brake standby unit does not need any electric energy and is connected with the motor. When the condition of power failure occurs, the motor can be driven to operate through pedaling a foot brake standby device by foot; the effect of constant-speed slow descending is achieved; and the safety of construction personnel is ensured.
Description
Technical field
The present invention relates to a kind of lifting gear, relate generally to a kind of variable frequency lifting device.
Background technology
At present when building, be all generally use scaffold to complete the operation of exterior wall, interior decoration.But scaffold be by one by one independently steel pipe or synthetic materials pipe build, in the whole build process of scaffold, need to consume a large amount of manpower, and due to scaffolding inherently very heavy, whole build process is wasted time and energy more.After construction completes, also need manually to tear open and remove scaffold, and need to carry out checking quantity, process is loaded down with trivial details, and workload is large, takes manpower very much.The most key, scaffold, owing to being the shelf manually built, very easily has an accident when constructing.Several scaffold stand, in build process, need to ensure that each support place of building is firm, as long as there is a place to occur loosening, and problem, the life security of serious threat constructor such as can cause the toppling over of whole scaffold, collapse.
Along with the development of society, highrise building is more and more universal, and lifting gear is also more universal, and the jacking equipment of prior art adopts the lifting gear of fluid pressure type, electric motor type usually, and common electric motor type lifting gear exists the shortcoming such as power consumption, instability.Be in the patent of CN201420595408.3 in the patent No., provide a kind of variable frequency lifting device, this variable frequency lifting device can energy conservation, and more stable during lifting.No matter but be electric motor type lifting gear or hydraulic lifting device, all easily cause situations such as rushing to summit, although have various Anti-over-hoisting device now, still can not guarantee safety when being elevated, therefore Shortcomings.
Summary of the invention
For overcoming the above problems, the invention provides a kind of variable-frequency construction lift platform, it is characterized in that comprising power supply 1, motor 2, delivering device 3, message recipient 4, PLC control system 5, position-limiting unit 6, speed limit unit 7, converter unit 8, balancing unit 9; Described power supply 1 powers to respectively message recipient 4, PLC control system 5, position-limiting unit 6, speed limit unit 7, converter unit 8, balancing unit 9; The input of described PLC control system 5 is connected with speed limit unit 7, position-limiting unit 6, message recipient 4, balancing unit 9, and the output of described PLC control system 5 is connected with converter unit 8; Described motor 2 is connected with described converter unit 8.This variable-frequency construction lift platform external structure comprises lifting structure, chassis, frame, podium level, and described podium level comprises some joint platform casees, and described motor 2 is positioned on described case of described podium level and described lifting structure junction.
Preferably, described position-limiting unit 6 comprises upper limit unit, limes superiors position-limiting unit, lower limit unit, limit inferior position-limiting unit, door body position-limiting unit.Described upper limit unit, limes superiors position-limiting unit, lower limit unit, limit inferior position-limiting unit, door body position-limiting unit be difference corresponding upper limit device, limes superiors stop, lower retainer, limit inferior stop, door body stop in external structure.In vertical direction, it puts in order and is followed successively by limes superiors stop, upper limit device, door body stop, lower retainer, limit inferior stop from top to bottom, limes superiors stop, upper limit device are fixed on lifting structure top, lower retainer, limit inferior stop are fixed on lifting structure bottom, and door body stop and podium level are fixed.
Preferably, described position-limiting unit 6 comprises Stop-motion lock fixing limit unit.Described Stop-motion lock fixing limit unit corresponding stop locking device in external structure.
Preferably, described motor 2 is the motor 2 with at the uniform velocity brake.
Preferably, also comprise service brake stand-by unit 10, described service brake stand-by unit 10 is connected with described motor 2.Described service brake stand-by unit 10 is corresponding service brake stand-by provision in external structure, and service brake stand-by provision is connected with motor 2, is positioned at platform bottom, can be moved by drive motor 2, thus reach the object of uniform descent by the step that tramps with one's feet stand-by provision of stopping.
Preferably, also comprise altitude location unit 11, described altitude location unit 11 is connected with described PLC control system 5 input, and described power supply 1 powers to described altitude location unit 11.Described altitude location unit 11 is realized by decoder number tooth, is applicable to gear-driven construction lifting platform.
This variable-frequency construction lift platform provided by the invention, has security performance high, and energy-conservation, stability high, be embodied in: (1) adopts converter unit 8, reaches energy-conservation, stable effect; (2) position-limiting unit 6 increases its security performance, when platform outreaches, under the effect of upper limit unit, limes superiors position-limiting unit, information is passed to PLC control system 5, motor 2 is shut down, for preventing upper limit unit from breaking down, therefore establishing a limes superiors position-limiting unit more, making double insurance; When platform arrives bottom, under the effect of lower limit unit, limit inferior position-limiting unit, information is passed to PLC control system 5, motor 2 is shut down, for preventing lower limit unit from breaking down, therefore establishing a limit inferior position-limiting unit more, making double insurance; The podium level of variable-frequency construction lift platform has the door body that constructability personnel pass in and out, and door body position-limiting unit just operates cause accident to occur to prevent Men Wei from shutting motor 2.(3) Stop-motion lock fixing limit unit be for variable-frequency construction lift platform level altitude stop construction time, send out instruction because of carelessness wrong for preventing fault or constructor, so the information of " stopping all runnings " is passed to PLC control system 5, ensure construction safety.Only have and taken out by stop locking device, PLC control system 5 just can receive other instructions after receiving information.(4) service brake stand-by unit 10 is a special element, and this modular unit is without the need to any electric energy, and it is connected with motor 2.When the podium level of variable-frequency construction lift platform is in the air, if when suffering from power-off, pin can be used to trample service brake stand-by provision, thus drive motor 2 operates, reach the effect that uniform speed slow declines, ensure the safety of constructor.(5) being provided with delivering device 3 with message recipient 4 is to reach remote-operated object, described delivering device 3 can for using the Digiplex of battery, even if can reach that constructor is positioned on podium level so also can the effect of remote control variable-frequency construction lift platform running.
Accompanying drawing explanation
Fig. 1 is variable-frequency construction lift platform schematic diagram in embodiment one;
Fig. 2 is variable-frequency construction lift platform schematic diagram in embodiment two.
Detailed description of the invention
Embodiment one
A kind of variable-frequency construction lift platform as shown in Figure 1, is characterized in that comprising power supply 1, motor 2, delivering device 3, message recipient 4, PLC control system 5, position-limiting unit 6, speed limit unit 7, converter unit 8, alarm unit, balancing unit 9, drawing together service brake stand-by unit 10; Described power supply 1 powers to respectively delivering device 3, message recipient 4, PLC control system 5, position-limiting unit 6, speed limit unit 7, converter unit 8, balancing unit 9; The input of described PLC control system 5 is connected with speed limit unit 7, position-limiting unit 6, message recipient 4, balancing unit 9, and the output of described PLC control system 5 is connected with converter unit 8, alarm unit; Described motor 2 is connected with described converter unit 8.This variable-frequency construction lift platform external structure comprises lifting structure, chassis, frame, podium level, and described podium level comprises some joint platform casees, and described motor 2 is positioned on described case of described podium level and described lifting structure junction.Described service brake stand-by unit 10 is connected with described motor 2.Described service brake stand-by unit 10 is corresponding service brake stand-by provision in external structure, and service brake stand-by provision is connected with motor 2, is positioned at platform bottom, can be moved by drive motor 2, thus reach the object of uniform descent by the step that tramps with one's feet stand-by provision of stopping.Described motor 2 is the motor 2 with at the uniform velocity brake.
Described position-limiting unit 6 comprises upper limit unit, limes superiors position-limiting unit, lower limit unit, limit inferior position-limiting unit, door body position-limiting unit.Described upper limit unit, limes superiors position-limiting unit, lower limit unit, limit inferior position-limiting unit, door body position-limiting unit be difference corresponding upper limit device, limes superiors stop, lower retainer, limit inferior stop, door body stop in external structure.In vertical direction, it puts in order and is followed successively by limes superiors stop, upper limit device, door body stop, lower retainer, limit inferior stop from top to bottom, limes superiors stop, upper limit device are fixed on lifting structure top, lower retainer, limit inferior stop are fixed on lifting structure bottom, and door body stop and podium level are fixed.
Before running, PLC control system 5 just can accept other operation instruction information after only receiving " balance " instruction that balancing unit 9 sends.When described podium level rises along described lifting structure, if Men Tiwei fastens, motor 2 can not operate, and gives the alarm until door body fastens rear motor 2 just can start rising.When rising near top, described podium level first arrives upper limit stop, and information is passed to PLC control system 5 by upper limit unit, and " out of service " instruction is sent to converter unit 8 by PLC control system 5 immediately; If upper limit stop breaks down, then when described podium level continues to be up to limes superiors stop, information is passed to PLC control system 5 by limes superiors position-limiting unit, and " out of service " instruction is sent to converter unit 8 by PLC control system 5 immediately.When declining near least significant end, described podium level first arrives lower limit stop, and information is passed to PLC control system 5 by lower limit unit, and " out of service " instruction is sent to converter unit 8 by PLC control system 5 immediately; If lower limit stop breaks down, then when described podium level continues to go downwards to limit inferior stop, information is passed to PLC control system 5 by limit inferior position-limiting unit, and " out of service " instruction is sent to converter unit 8 by PLC control system 5 immediately.
If when constructor is in and constructs in the air, power supply 1 or circuit break down and cause power failure, constructor can trample service brake stand-by provision with pin, while service brake stand-by provision moves up and down, drive motor 2 operates, thus reach the effect of uniform descent, this service brake stand-by unit 10 for subsequent use is artificial forcing unit, without the need to relying on any electric energy, for this variable-frequency construction lift platform provided by the invention provides another heavy safety guarantee.
Described delivering device 3 and message recipient 4 are positioned at a control box, control box comprises " risings ", " declines ", " stopping ", " startup ", " speed limit setting ", the function key such as " operation is setting highly ".
Embodiment two
A kind of variable-frequency construction lift platform as shown in Figure 2, this variable-frequency construction lift platform is gear drive lift platform, it is characterized in that comprising power supply 1, motor 2, delivering device 3, message recipient 4, PLC control system 5, position-limiting unit 6, alarm unit, service brake stand-by unit 10, speed limit unit 7, converter unit 8, balancing unit 9, altitude location unit 11; Described power supply 1 powers to respectively message recipient 4, PLC control system 5, position-limiting unit 6, speed limit unit 7, converter unit 8, altitude location unit 11, balancing unit 9; The input of described PLC control system 5 is connected with speed limit unit 7, position-limiting unit 6, message recipient 4, balancing unit 9, altitude location unit 11, and the output of described PLC control system 5 is connected with converter unit 8, alarm unit; Described motor 2 is connected with described converter unit 8.This variable-frequency construction lift platform external structure comprises lifting structure, chassis, frame, podium level, and described podium level comprises some joint platform casees, and described motor 2 is positioned on described case of described podium level and described lifting structure junction.Described service brake stand-by unit 10 is connected with described motor 2.Described service brake stand-by unit 10 is corresponding service brake stand-by provision in external structure, and service brake stand-by provision is connected with motor 2, is positioned at platform bottom, can be moved by drive motor 2, thus reach the object of uniform descent by the step that tramps with one's feet stand-by provision of stopping.
Described position-limiting unit 6 comprises upper limit unit, limes superiors position-limiting unit, Stop-motion lock fixing limit unit, lower limit unit, limit inferior position-limiting unit, door body position-limiting unit.Described upper limit unit, limes superiors position-limiting unit, lower limit unit, limit inferior position-limiting unit, door body position-limiting unit be difference corresponding upper limit device, limes superiors stop, lower retainer, limit inferior stop, door body stop in external structure.In vertical direction, it puts in order and is followed successively by limes superiors stop, upper limit device, door body stop, lower retainer, limit inferior stop from top to bottom, limes superiors stop, upper limit device are fixed on lifting structure top, lower retainer, limit inferior stop are fixed on lifting structure bottom, and door body stop and podium level are fixed.Described Stop-motion lock fixing limit unit corresponding stop locking device in external structure.
Described motor 2 is the motor 2 with at the uniform velocity brake.
Described altitude location unit 11 is realized by decoder number tooth, is applicable to gear-driven construction lifting platform.
Before running, PLC control system 5 just can accept other operation instruction information after only receiving " balance " instruction that balancing unit 9 sends.When described podium level rises along described lifting structure, if Men Tiwei fastens, motor 2 can not operate, and gives the alarm until door body fastens rear motor 2 just can start rising.When rising near top, described podium level first arrives upper limit stop, and information is passed to PLC control system 5 by upper limit unit, and " out of service " instruction is sent to converter unit 8 by PLC control system 5 immediately; If upper limit stop breaks down, then when described podium level continues to be up to limes superiors stop, information is passed to PLC control system 5 by limes superiors position-limiting unit, and " out of service " instruction is sent to converter unit 8 by PLC control system 5 immediately.When declining near least significant end, described podium level first arrives lower limit stop, and information is passed to PLC control system 5 by lower limit unit, and " out of service " instruction is sent to converter unit 8 by PLC control system 5 immediately; If lower limit stop breaks down, then when described podium level continues to go downwards to limit inferior stop, information is passed to PLC control system 5 by limit inferior position-limiting unit, and " out of service " instruction is sent to converter unit 8 by PLC control system 5 immediately.After described podium level arrives designated floor, before constructor constructs, stop being locked device card enters in lifting structure, the information of " stopping all runnings " is passed to PLC control system 5 by Stop-motion lock cell simultaneously, other any information can not be accepted again after PLC control system 5 receives information, and just can accept other command informations until taken out by stop locking device.
If when constructor is in and constructs in the air, power supply 1 or circuit break down and cause power failure, constructor can trample service brake stand-by provision with pin, while service brake stand-by provision moves up and down, drive motor 2 operates, thus reach the effect of uniform descent, this service brake stand-by unit 10 for subsequent use is artificial forcing unit, without the need to relying on any electric energy, for this variable-frequency construction lift platform provided by the invention provides another heavy safety guarantee.
Described delivering device 3 is the Digiplex using battery, comprise the function key such as " rising ", " decline ", " stopping ", " startup ", " run and highly set ", " speed limit setting ", during operation, decoder number tooth, during the number of teeth corresponding to setting height to be achieved, " out of service " instruction is sent to converter unit 8 by PLC control system 5, reaches the effect of automatic stop layers.
These are only preferred embodiment of the present invention, therefore can not limit scope of the invention process according to this, the equivalence namely done according to description of the present invention changes and decoration, all should belong in the scope of the present invention's covering.
Claims (6)
1. a variable-frequency construction lift platform, is characterized in that comprising power supply, motor, delivering device, message recipient, PLC control system, position-limiting unit, speed limit unit, converter unit, balancing unit; Described power supply powers to respectively message recipient, PLC control system, position-limiting unit, speed limit unit, converter unit, balancing unit; The input of described PLC control system is connected with speed limit unit, position-limiting unit, message recipient, balancing unit, and the output of described PLC control system is connected with converter unit; Described motor is connected with described converter unit.
2., according to the variable-frequency construction lift platform described in claim 1, it is characterized in that described position-limiting unit comprises upper limit unit, limes superiors position-limiting unit, lower limit unit, limit inferior position-limiting unit, door body position-limiting unit.
3., according to the variable-frequency construction lift platform described in claim 1, it is characterized in that described position-limiting unit comprises Stop-motion lock fixing limit unit.
4., according to the variable-frequency construction lift platform described in claim 1, it is characterized in that described motor is the motor with at the uniform velocity brake.
5. according to the variable-frequency construction lift platform described in claim 1, characterized by further comprising service brake stand-by unit, described service brake stand-by unit is connected with described motor.
6. according to the variable-frequency construction lift platform described in claim 1, characterized by further comprising altitude location unit, described altitude location unit is connected with described PLC control system input, and described power supply powers to described altitude location unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661295.1A CN105155831A (en) | 2015-10-15 | 2015-10-15 | Variable-frequency construction ascending and descending platform |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510661295.1A CN105155831A (en) | 2015-10-15 | 2015-10-15 | Variable-frequency construction ascending and descending platform |
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| CN105155831A true CN105155831A (en) | 2015-12-16 |
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| CN201510661295.1A Pending CN105155831A (en) | 2015-10-15 | 2015-10-15 | Variable-frequency construction ascending and descending platform |
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| US20080236944A1 (en) * | 2004-07-12 | 2008-10-02 | Bruno Patron | Platform Support Device For Lifting Loads Or Persons The Height Of A Structure |
| CN102502460A (en) * | 2011-11-23 | 2012-06-20 | 博宇(无锡)科技有限公司 | Mast-type lifting working platform |
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| CN204138062U (en) * | 2014-10-15 | 2015-02-04 | 重庆红岩建设机械制造有限责任公司 | A kind of variable frequency lifting device |
| CN204588352U (en) * | 2015-03-31 | 2015-08-26 | 江苏省特种设备安全监督检验研究院 | The unexpected fender guard of elevator |
| CN205116684U (en) * | 2015-10-15 | 2016-03-30 | 江苏京龙工程机械有限公司 | Frequency conversion construction lift platform |
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2015
- 2015-10-15 CN CN201510661295.1A patent/CN105155831A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080236944A1 (en) * | 2004-07-12 | 2008-10-02 | Bruno Patron | Platform Support Device For Lifting Loads Or Persons The Height Of A Structure |
| US20060144639A1 (en) * | 2004-12-30 | 2006-07-06 | Iacoviello Arnold Jr | Building escape railing system |
| CN2931666Y (en) * | 2006-07-05 | 2007-08-08 | 广州市京龙工程机械有限公司 | Lifting platform used in construction work |
| CN102502460A (en) * | 2011-11-23 | 2012-06-20 | 博宇(无锡)科技有限公司 | Mast-type lifting working platform |
| CN202625527U (en) * | 2012-05-22 | 2012-12-26 | 赵士山 | Construction lift safety limit control device |
| CN204138062U (en) * | 2014-10-15 | 2015-02-04 | 重庆红岩建设机械制造有限责任公司 | A kind of variable frequency lifting device |
| CN204588352U (en) * | 2015-03-31 | 2015-08-26 | 江苏省特种设备安全监督检验研究院 | The unexpected fender guard of elevator |
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