CN201587769U - Overload protecting device of construction hoist - Google Patents

Overload protecting device of construction hoist Download PDF

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Publication number
CN201587769U
CN201587769U CN2009202141795U CN200920214179U CN201587769U CN 201587769 U CN201587769 U CN 201587769U CN 2009202141795 U CN2009202141795 U CN 2009202141795U CN 200920214179 U CN200920214179 U CN 200920214179U CN 201587769 U CN201587769 U CN 201587769U
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CN
China
Prior art keywords
cpu
monitor
sensors
excess load
acquisition module
Prior art date
Application number
CN2009202141795U
Other languages
Chinese (zh)
Inventor
陈爱华
穆铭豪
韩文鹤
赫仲伟
Original Assignee
上海市建筑科学研究院(集团)有限公司
上海市建筑科学研究院科技发展总公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 上海市建筑科学研究院(集团)有限公司, 上海市建筑科学研究院科技发展总公司 filed Critical 上海市建筑科学研究院(集团)有限公司
Priority to CN2009202141795U priority Critical patent/CN201587769U/en
Application granted granted Critical
Publication of CN201587769U publication Critical patent/CN201587769U/en

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Abstract

The utility model relates to an overload protecting device of a construction hoist, which comprises pluralities of sensors and a monitor. The monitor comprises a CPU, an acquisition module, a compensating module, a keyboard, a memory, a nixie tube, an indicator lamp and a buzzer. The acquisition module and the compensating module are connected with the CPU to bidirectionally transmit data. The acquisition module is connected with the sensors and used for reading, amplifying, filtering and processing sampling values of the sensors. The keyboard and the memory are connected with the CPU to bidirectionally transmit data. The nixie tube, the indicator lamp and the buzzer are connected with the CPU, and the nixie tube displays the sampling values of the sensors. The sensors can be mounted at different positions of the construction hoist according to differences of transmission mechanisms of the construction hoist. The monitor is mounted inside a hanging cage of the hoist and performs operations such as sampling, compensating, calculating, judging, recording, outputting and the like for data of the sensors. The monitor can perform audible and visual pre-alarming or audible and visual, relay power failure alarming according to differences of loads inside the hanging cage of the hoist so as to achieve overload protecting effect, and is high in precision and fine in safety.

Description

The construction lifter excess load fender guard
Technical field
The utility model relates to overload protection device, is specifically related to a kind of high-precision construction lifter excess load fender guard.
Background technology
In a single day building hoist has an accident, and often causes bigger personal casualty, not only causes enormous economic loss, also can produce bad social influence.Standard GB 10055-2007 " building hoist safety procedure " requires building hoist that overload protection device must be installed.
Chinese patent publication number CN2630213 has disclosed the overload protection device that a kind of building construction hoist is used, and belongs to elevator machinery fender guard technical field.The technical matters that this utility model will solve is in the cage traction system overload protection device to be set, with the safety misadventure of stopping to take place because of the cage overload.For this reason, installation slide block and upper end are fixed on the pull bar on this slide block in framework, and slide block is inlaid in the inboard chute of left and right link plate and makes bearing fit, and the spring deformation detection control apparatus also is housed between link plate in framework and pull bar, the slide block assembly.This spring deformation detection control apparatus has dual mode, and a kind of is that the deformation of laminated spring formula detects control structure, and another kind is that the deformation of pressure spring formula detects control structure.
Chinese patent publication number CN2163803 has disclosed a kind of lifter excess load fender guard, and when it had solved the elevator construction, the material on the cage workplatform stopped the problem of lifting when overloading.It is characterized in that at the bottom of the bottom of cage skeleton supporting plate adds a floating axle uniform several freely-movable bearings are fixed with limitation travel switch and annunciator between the freely-movable bearing at two the end; When the material on the platform at the bottom of the cage floating axle overloaded, the spring on the freely-movable bearing was compressed, and after moving down at the bottom of the floating axle thereupon and touching limitation travel switch, cut off the electricity supply and sent the overload alerting signal, and elevator stops lifting.It is applicable to the elevator of multiple different size.
Existing overload protection device precision can not reach requirement, or there is defective in functions of use but often in use.Concrete reason is as follows:
1, after overload protection device is once demarcated, because shake and other influences to sensor of elevator in operational process causes the data generation deviation of demarcating in the use of back.Under situation devious repeatedly, make the elevator in use flase alarm and the misoperation of overload protection device; the user can cancel the overload protection device outage or the function of outage output like this; overload protection device just becomes a kind of ornaments thus, does not have real effect.
2, overload protection device can not carry out record to the data of use, can't do some data judgement and analyses to the condition of service of elevator.
In view of this, seek a kind of high-precision construction lifter excess load fender guard and become pursuing one's goal of these those skilled in the art.
The utility model content
The purpose of this utility model provides a kind of construction lifter excess load fender guard, and it has overcome the shortcoming of prior art, has solved above-mentioned existing overload protection device owing to problems that reason produced such as precision.
Technical solution of the present utility model is as follows:
A kind of construction lifter excess load fender guard comprises: be arranged on several sensors and monitor on the building hoist;
Described monitor comprises: CPU, acquisition module, compensating module, keyboard, memory device, charactron, indicator lamp and buzzer phone;
Described acquisition module is connected the CPU bi-directional transfer of data with compensating module;
Described acquisition module connects that sensor is used to read, the sampled value of amplification, filtering and processes sensor;
Described keyboard is connected the CPU bi-directional transfer of data with memory device;
Described charactron, indicator lamp and buzzer phone connect CPU, and charactron shows the sampled value of sensor.
Described monitor is arranged in the operator's compartment.
Described keyboard and memory device are arranged in the operator's compartment.
Described monitor is provided with the RS232 port.
Relay outage output when described CPU connection relay is used for construction lifter excess load.
Described charactron is the LED charactron.
Overload protection device of the present utility model mainly is made up of sensor and monitor, according to the difference of building hoist transmission device, at the diverse location sensor installation of building hoist.Monitor is installed in the cage inside of elevator, to the data of sensor sample, compensate, calculate, differentiate, operation such as record and output.Monitor can carry out acousto-optic early warning or acousto-optic, relay power alarm according to the difference of load in the elevator craning cage, to reach the effect of overload protection.
The utility model makes it compared with prior art owing to adopted above technical scheme, has the following advantages and positive effect:
Construction lifter excess load fender guard precision height of the present utility model, safety is good, and can carry out record to the data of use, helps the user that the condition of service of elevator is done some data judgement and analyses.
Description of drawings
Accompanying drawing is that the module of a kind of construction lifter excess load fender guard of the present utility model connects block diagram.
The specific embodiment
Specifically introduce a preferred embodiment of the present utility model below in conjunction with accompanying drawing.
Referring to accompanying drawing, the utility model is a kind of construction lifter excess load fender guard, mainly is made up of the some sensors and the monitor that are arranged on the building hoist.Monitor is made up of CPU, acquisition module, compensating module, keyboard, memory device, relay, charactron, LED light, buzzer phone and RS232 port.
Wherein, acquisition module is connected CPU with compensating module, bi-directional transfer of data; Acquisition module connects sensor, reads, the sampled value of amplification, filtering and processes sensor; The error that compensating module compensation elevator causes owing to vibrations and other reasons when rising and descend; CPU compares the sampled value and the demarcation that prestores, and judges whether overload.As shown in FIG., CPU can adopt the PIC16F877 model.
The concrete principle of compensating module is: the contact of the cage thresholding position of the external building hoist of compensating module, when compensating module detects the thresholding position for the pass, the sampled value of storage chip record sensor this moment of compensating module is preserved, and logarithmic code pipe displayed value locks; When detecting the thresholding position when opening, detect the sampled value of sensor this moment, and compare according to the sampled value of preserving in the storage chip, with both difference this and following the operation are compensated.
Charactron, indicator lamp and buzzer phone connect CPU, and charactron is the LED charactron, and charactron shows the sampled value of sensor; Indicator lamp comprises early warning indicator lamp and warning indicator lamp, luminous warning when overload; Buzzer phone sends lasting audible alarm when overload.
Keyboard is connected CPU with memory device, bi-directional transfer of data.Keyboard and memory device are installed in the operator's compartment.Whole monitor also can be directly installed in the operator's compartment.Monitor carry that keyboard can carry out parameter calibration, operation such as reset.Memory stores the add up hoisting capacity and the work number of times of elevator, memory device is preserved the service recorder information of elevator.
CPU connects relay, when construction lifter excess load, and relay outage output.
Monitor is provided with the RS232 port, and the RS232 port is derived service recorder information.The control program module of upper computer can be analyzed the recorded information that derives.
The workflow of monitor is as follows:
Start can be selected to carry keyboard after the monitor energising and demarcate.When elevator is worked, monitor amplifies, converts after the filtering and handle the signal of sensor by data acquisition module, and show in real time that at charactron CPU calculates and compensates the data that collect, and carry out the interpolation comparison with the nominal data of preserving; When the hoisting capacity of elevator reach rated load weight 90% the time, luminous warning of LED early warning indicator lamp and buzzer phone are intermittently reported to the police; When the hoisting capacity of elevator reach rated load weight 105% the time, the luminous warning of LED overload indicator lamp, buzzer phone sends lasting audible alarm.Write down the overload situation of elevator simultaneously in memory device, content comprises information such as time, hoisting capacity, accumulative total lifting number of times, and wherein hoisting capacity is preserved up-to-date 10 times job record.
In summary, construction lifter excess load fender guard precision height of the present utility model, safety is good, and can carry out record to the data of use, helps the user that the condition of service of elevator is done some data judgement and analyses.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the utility model, and be not with opposing qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claim conversion, the modification of the foregoing description.

Claims (6)

1. a construction lifter excess load fender guard is characterized in that comprising: be arranged on several sensors and monitor on the building hoist;
Described monitor comprises: CPU, acquisition module, compensating module, keyboard, memory device, charactron, indicator lamp and buzzer phone;
Described acquisition module is connected the CPU bi-directional transfer of data with compensating module;
Described acquisition module connects that sensor is used to read, the sampled value of amplification, filtering and processes sensor;
Described keyboard is connected the CPU bi-directional transfer of data with memory device;
Described charactron, indicator lamp and buzzer phone connect CPU, and charactron shows the sampled value of sensor.
2. construction lifter excess load fender guard according to claim 1 is characterized in that: described monitor is arranged in the operator's compartment.
3. construction lifter excess load fender guard according to claim 1 is characterized in that: described keyboard and memory device are arranged in the operator's compartment.
4. construction lifter excess load fender guard according to claim 1 is characterized in that: described monitor is provided with the RS232 port.
5. construction lifter excess load fender guard according to claim 1 is characterized in that: relay outage output when described CPU connection relay is used for construction lifter excess load.
6. construction lifter excess load fender guard according to claim 1 is characterized in that: described charactron is the LED charactron.
CN2009202141795U 2009-11-26 2009-11-26 Overload protecting device of construction hoist CN201587769U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202141795U CN201587769U (en) 2009-11-26 2009-11-26 Overload protecting device of construction hoist

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202141795U CN201587769U (en) 2009-11-26 2009-11-26 Overload protecting device of construction hoist

Publications (1)

Publication Number Publication Date
CN201587769U true CN201587769U (en) 2010-09-22

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Application Number Title Priority Date Filing Date
CN2009202141795U CN201587769U (en) 2009-11-26 2009-11-26 Overload protecting device of construction hoist

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101992976A (en) * 2010-11-05 2011-03-30 沈阳建筑大学 Automatic control system of high-operating hanging basket
CN102381605A (en) * 2011-09-14 2012-03-21 西安国邦实业有限公司 Intelligent monitoring system for constructional lifter
CN102417129A (en) * 2011-09-21 2012-04-18 上海市建筑科学研究院(集团)有限公司 Dynamic safety monitoring device of brake and monitoring method
CN102556795A (en) * 2011-12-14 2012-07-11 虞海盈 Safety monitoring system and method thereof for elevators
CN102897629A (en) * 2012-08-31 2013-01-30 苏州富士精工电梯有限公司 High-sensitivity weight-limit induction passenger elevator with machine room
CN103523617A (en) * 2013-10-21 2014-01-22 济南微控科技发展有限公司 Micro-control wireless control device of building hoist
CN104076839A (en) * 2014-06-24 2014-10-01 苏州塔可盛电子科技有限公司 Temperature monitoring protection circuit based on PLC16887
CN109071164A (en) * 2016-05-04 2018-12-21 因温特奥股份公司 The transport equipment for persons of field device including central control unit and multiple fault recognition methods with optimization
CN110775766A (en) * 2019-11-13 2020-02-11 苏州富瑞特铝合金升降机械有限公司 Elevator working state monitoring and emergency regulating system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101992976A (en) * 2010-11-05 2011-03-30 沈阳建筑大学 Automatic control system of high-operating hanging basket
CN102381605A (en) * 2011-09-14 2012-03-21 西安国邦实业有限公司 Intelligent monitoring system for constructional lifter
CN102417129A (en) * 2011-09-21 2012-04-18 上海市建筑科学研究院(集团)有限公司 Dynamic safety monitoring device of brake and monitoring method
CN102556795A (en) * 2011-12-14 2012-07-11 虞海盈 Safety monitoring system and method thereof for elevators
CN102897629A (en) * 2012-08-31 2013-01-30 苏州富士精工电梯有限公司 High-sensitivity weight-limit induction passenger elevator with machine room
CN103523617A (en) * 2013-10-21 2014-01-22 济南微控科技发展有限公司 Micro-control wireless control device of building hoist
CN103523617B (en) * 2013-10-21 2016-08-17 济南微控科技发展有限公司 A kind of building hoist micro-control control device of wireless
CN104076839A (en) * 2014-06-24 2014-10-01 苏州塔可盛电子科技有限公司 Temperature monitoring protection circuit based on PLC16887
CN109071164A (en) * 2016-05-04 2018-12-21 因温特奥股份公司 The transport equipment for persons of field device including central control unit and multiple fault recognition methods with optimization
CN109071164B (en) * 2016-05-04 2020-06-09 因温特奥股份公司 Personnel transport system comprising a central control unit and a plurality of field devices with optimized fault detection
CN110775766A (en) * 2019-11-13 2020-02-11 苏州富瑞特铝合金升降机械有限公司 Elevator working state monitoring and emergency regulating system

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GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: 200032 Shanghai city Xuhui District Wanping Road No. 75

Patentee after: Shanghai Research Institute of Building Sciences (Group) Co., Ltd.

Patentee after: Science and Technology Development Company of SRIBS

Address before: 200032 Shanghai Wanping Road No. 75

Patentee before: Shanghai Research Institute of Building Sciences (Group) Co., Ltd.

Patentee before: Sci-Tech Development Corp., Shanghai City Inst. of Building Science

Address after: 200032 Shanghai city Xuhui District Wanping Road No. 75

Patentee after: Shanghai Research Institute of Building Sciences (Group) Co., Ltd.

Patentee after: Science and Technology Development Company of SRIBS

Address before: 200032 Shanghai Wanping Road No. 75

Patentee before: Shanghai Research Institute of Building Sciences (Group) Co., Ltd.

Patentee before: Sci-Tech Development Corp., Shanghai City Inst. of Building Science

C56 Change in the name or address of the patentee
CX01 Expiry of patent term

Granted publication date: 20100922

CX01 Expiry of patent term