CN106744552A - The amplitude limitation system of the good insulation aerial work platform of security - Google Patents

The amplitude limitation system of the good insulation aerial work platform of security Download PDF

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Publication number
CN106744552A
CN106744552A CN201611175348.XA CN201611175348A CN106744552A CN 106744552 A CN106744552 A CN 106744552A CN 201611175348 A CN201611175348 A CN 201611175348A CN 106744552 A CN106744552 A CN 106744552A
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China
Prior art keywords
controller
insulation
aerial work
work platform
oil cylinder
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CN201611175348.XA
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CN106744552B (en
Inventor
殷洪海
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State Grid Chang Zhou Current Supply Co Of Jiangsu Electric Power Co
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Changzhou Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
Changzhou Power Supply Co of Jiangsu Electric Power Co
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Application filed by State Grid Corp of China SGCC, State Grid Jiangsu Electric Power Co Ltd, Changzhou Power Supply Co of Jiangsu Electric Power Co filed Critical State Grid Corp of China SGCC
Priority to CN201611175348.XA priority Critical patent/CN106744552B/en
Publication of CN106744552A publication Critical patent/CN106744552A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F17/00Safety devices, e.g. for limiting or indicating lifting force

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Forklifts And Lifting Vehicles (AREA)

Abstract

The present invention provides a kind of amplitude limitation system of the good insulation aerial work platform of security, including insulation aerial work platform, and insulation aerial work platform includes that telescopic arm, insulation fold arm and Telescopic support leg;It is structurally characterized in that:Also include amplitude oil cylinder, first pressure sensor, balanced valve, reversal valve, flowmeter, second pressure sensor and controller;Amplitude oil cylinder is arranged between telescopic arm and insulation folding arm;Amplitude oil cylinder is provided with oil pressure chamber;First pressure sensor is connected with the oil pressure chamber of amplitude oil cylinder and is electrically connected with controller signals;Balanced valve is arranged in amplitude oil cylinder;Reversal valve is connected with balanced valve;Flowmeter is serially connected between reversal valve and balanced valve and is electrically connected with controller signals;Second pressure sensor is located on Telescopic support leg and is electrically connected with controller signals.The present invention solves the problems, such as that hybrid insulation aerial work platform cannot enter line amplitude limitation, improves the security of work high above the ground.

Description

The amplitude limitation system of the good insulation aerial work platform of security
The application is Application No. 201510141996.2, and the applying date is on March 27th, 2015, and invention and created name is The divisional application of the application for a patent for invention of " the amplitude limitation system of insulation aerial work platform ".
Technical field
The present invention relates to the control technology field of aerial work platform, and in particular to a kind of width of insulation aerial work platform Degree limitation system.
Background technology
With economic and society development, requirement of the people to supply of electric power is improved constantly, therewith the demand of livewire work More and more, various insulation aerial work platforms arise at the historic moment, and have obtained application widely.Insulation work high above the ground Platform is generally exhausted using auxiliary is carried using hybrid-type arm support form, i.e. bottom to improve transaction capabilities and operational security The folding arm of acies, top is using telescopic arm of the tail end with major insulation end.Due to reason of the lower folded arm with insulating end, The sensor that the telescopic arm on top is difficult to install electronics carries out real-time monitoring to arm support job state, and then realizes amplitude control Function, thus the arm-type insulation aerial work platform of current mixing does not all have amplitude limitation function, and it is to operation amplitude Limitation can only be leaned on and manually controlled, and there is potential safety hazard.
The content of the invention
The purpose of the present invention is:For problem of the prior art, there is provided a kind of without stretching in insulation aerial work platform It is good to ensure the security of high-altitude working safety Precise amplitudes limitation function can be realized when electric elements are laid on contracting arm, being used The amplitude limitation system of insulation aerial work platform.
The technical scheme is that:The amplitude limitation system of the good insulation aerial work platform of security of the invention, Including insulation aerial work platform, insulation aerial work platform includes that telescopic arm, insulation fold arm and Telescopic support leg;Its knot Structure feature is:Also include amplitude oil cylinder, first pressure sensor, balanced valve, reversal valve, flowmeter, second pressure sensor and Controller;
Above-mentioned amplitude oil cylinder is arranged between telescopic arm and insulation folding arm;Amplitude oil cylinder is provided with oil pressure chamber;
First pressure sensor folds the insulation fluid pressure line of arm and the oil pressure of amplitude oil cylinder through insulation from bottom to top by one Chamber is connected;First pressure sensor is electrically connected by cable with controller signals;Balanced valve is arranged in amplitude oil cylinder;Commutation Valve is connected by 2 fluid pressure lines for folding arm through insulation from bottom to top with balanced valve;Flowmeter is serially connected in reversal valve and puts down On 2 the 1 of fluid pressure line fluid pressure lines of weighing apparatus valve connection;Flowmeter is electrically connected by cable with controller signals;
Above-mentioned second pressure sensor is arranged on the Telescopic support leg of insulation aerial work platform, each retractable supports Each setting 1 is distinguished on leg;Each second pressure sensor is electrically connected with controller signals;
Above-mentioned first pressure sensor real-time detection oil pressure chamber pressure is simultaneously transferred to controller;Flowmeter real-time detection stream Enter or flow out the liquid measure of amplitude oil cylinder and detection information is transferred to controller;Controller is mutually accrued by the flow that flowmeter is detected Calculate the stroke and the angle relative to ground of telescopic arm;If monitoring control devices to pressure exceeded and permit under corresponding angle During maximum pressure perhaps, controller is to send signal-inhibiting telescopic arm to proceed extending action or the action of downward luffing;
The pressure signal that above-mentioned each second pressure sensor is detected respectively is transferred to controller;Controller is by each second The summation of the corresponding weight and platform load for drawing whole insulation aerial work platform of data summation that pressure sensor is reported and submitted, when During the summation of the maximum load that the weight that the weight that monitoring control devices are arrived is more than insulation aerial work platform is allowed with platform, control Device judges to overload and send signal cut everything.
The present invention has positive effect:The amplitude limitation system of the good insulation aerial work platform of security of the invention System, its compared with prior art, by the hydraulic pressure of long-range monitoring amplitude oil cylinder and by monitoring the liquid in amplitude oil cylinder Flow and determine the stroke and the angle relative to ground of telescopic arm, it is achieved thereby that the inspection of aerial work platform operation amplitude Survey and control, solve the problems, such as that hybrid insulation aerial work platform cannot enter line amplitude limitation in the past;Simultaneously using installation Pressure sensor on Telescopic support leg realizes the monitoring to platform load situation, prevents platform overload operation, further Improve the security of work high above the ground.
Brief description of the drawings
Fig. 1 is application example schematic diagram of the invention;
Fig. 2 is hydraulic schematic diagram of the invention.
Reference in above-mentioned accompanying drawing is as follows:
Insulation aerial work platform 1, telescopic arm 11, insulation folding arm 12, Telescopic support leg 13,
Amplitude oil cylinder 2, oil pressure chamber 21,
First pressure sensor 3,
Balanced valve 4,
Reversal valve 5,
Flowmeter 6,
Second pressure sensor 7,
Controller 8.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
(Embodiment)
See Fig. 1 and Fig. 2, the amplitude limitation system of the good insulation aerial work platform of the security of the present embodiment, mainly by insulating Aerial work platform 1, amplitude oil cylinder 2, first pressure sensor 3, balanced valve 4, reversal valve 5, flowmeter 6, second pressure sensing Device 7 and controller 8 are constituted.
Insulation aerial work platform 1 uses the insulation aerial work platform of mixed type arm support structure, and insulation work high above the ground is put down There is platform 1 telescopic arm 11, insulation to fold arm 12 and Telescopic support leg 13.
Amplitude oil cylinder 2 is arranged between telescopic arm 11 and insulation folding arm 12, and telescopic arm 11 drives realization by amplitude oil cylinder 2 Luffing is acted.Amplitude oil cylinder 2 is provided with oil pressure chamber 21, and the pressure of oil pressure chamber 21 is the pressure suffered by amplitude oil cylinder 2.
First pressure sensor 3 folds the insulation fluid pressure line and amplitude oil cylinder of arm 12 by one through insulation from bottom to top 2 oil pressure chamber 21 connects;First pressure sensor 3 is realized by fluid pressure line to the pressure in the oil pressure chamber 21 of amplitude oil cylinder 2 Long-range monitoring;First pressure sensor 3 is electrically connected by cable with the signal of controller 8.
Balanced valve 4 is arranged in amplitude oil cylinder 2, and when using, the one side of balanced valve 4 can be amplitude oil cylinder 2 in motion Back pressure is provided, the kinetic stability of amplitude oil cylinder 2 is improved;Meanwhile, when pipeline breaks down can locked amplitude oil cylinder 2, prevent Only the autonomous travel of amplitude oil cylinder 2 causes security incident.
Reversal valve 5 is used to control the flexible of amplitude oil cylinder 2;Reversal valve 5 folds arm 12 through insulation from bottom to top by 2 Fluid pressure line is connected with balanced valve 4.
Flowmeter 6 is serially connected on 2 the 1 of fluid pressure line fluid pressure lines that reversal valve 5 is connected with balanced valve 4;Flowmeter 6 Flowmeter 6 is electrically connected by cable with the signal of controller 8 to be detected to the flow for driving liquid during for using.
Second pressure sensor 7 is arranged on the Telescopic support leg 13 of insulation aerial work platform 1, each scalable branch Each setting 1 is distinguished in support leg 13;Each second pressure sensor 7 is electrically connected with the signal of controller 8.
(Application examples)
The security of previous embodiment it is good insulation aerial work platform amplitude limitation system, its when in use, amplitude oil cylinder 2 The action of telescopic arm 11 is driven to realize the action of protruding and luffing;The first pressure being connected with the oil pressure chamber 21 of amplitude oil cylinder 2 is passed Pressure signal suffered by the pressure of 3 real-time detection oil pressure chamber of sensor 21 namely amplitude oil cylinder 2, and it is transferred to controller 8;Flow Count 6 real-time detections and flow in or out the liquid measure of amplitude oil cylinder 2 and detection information is converted into electric signal and report and submit to controller 8;Control The detection data that device processed 8 receives flowmeter 6 calculates the state of stretching out of amplitude oil cylinder 2, and then mutually should determine that now telescopic arm 11 Relative to the angle on ground.
When telescopic arm 11 is protruding or during downward luffing, pressure and flowmeter 6 that first pressure sensor 3 is monitored The flow of detection can occur corresponding change, and controller 8 accordingly calculates stretching for telescopic arm 11 by the flow that flowmeter 6 is detected Contracting amount and the angle relative to ground.If controller 8 monitors that pressure has exceeded the maximum pressure allowed under corresponding angle, Controller 8 is to send signal to forbid telescopic arm 11 to proceed to stretch out dynamic by controlling the hydraulic system of insulation aerial work platform Make or luffing action downwards, it is achieved thereby that to the limitation function of operation amplitude, it is ensured that the security of work high above the ground.
The second pressure sensor 7 set on each Telescopic support leg 13 of insulation aerial work platform 1 when in use, divides The pressure signal not detected is transferred to controller 8;The data summation that controller 8 reports and submits each second pressure sensor 7 The weight of whole insulation aerial work platform 1 and the summation of platform load are drawn, when the weight that controller 8 is monitored is more than insulation During the summation of the maximum load that the weight and platform of aerial work platform 1 are allowed, controller 8 judges to overload, controller 8 Send signal and cut off everything by controlling the hydraulic system of insulation aerial work platform, it is high so as to further increase insulation The usage safety performance of working platform 1.
To sum up, compared with prior art, the present invention is become by the hydraulic pressure of long-range monitoring amplitude oil cylinder 2 and by monitoring Fluid flow in width oil cylinder 2 and determine the stroke and the angle relative to ground of telescopic arm 11, realize work high above the ground The detection and control of platform operations amplitude, solving hybrid insulation aerial work platform in the past cannot enter asking for line amplitude limitation Topic;The monitoring to platform load situation is realized using the second pressure sensor 7 on Telescopic support leg 13 simultaneously, is prevented Only platform overload operation, further increases the security of work high above the ground.
Above example and application examples are the explanations to specific embodiment of the invention, rather than limitation of the present invention, Person skilled in the relevant technique without departing from the spirit and scope of the present invention, can also make it is various conversion and Change and obtain corresponding equivalent technical scheme, therefore all equivalent technical schemes should be included into patent of the invention Protection domain.

Claims (1)

1. a kind of amplitude limitation system of the good insulation aerial work platform of security, including insulation aerial work platform(1), institute The insulation aerial work platform stated(1)Including telescopic arm(11), insulation fold arm(12)And Telescopic support leg(13);Its feature It is:Also include amplitude oil cylinder(2), first pressure sensor(3), balanced valve(4), reversal valve(5), flowmeter(6), second pressure Force snesor(7)And controller(8);
Described amplitude oil cylinder(2)Installed in telescopic arm(11)Arm is folded with insulation(12)Between;Amplitude oil cylinder(2)It is provided with oil pressure Chamber(21);
First pressure sensor(3)Arm is folded by one through insulation from bottom to top(12)Insulation fluid pressure line and amplitude oil cylinder (2)Oil pressure chamber(21)It is connected;First pressure sensor(3)By cable and controller(8)Signal is electrically connected;Balanced valve (4)It is arranged on amplitude oil cylinder(2)On;Reversal valve(5)Arm is folded by 2 through insulation from bottom to top(12)Fluid pressure line with it is flat Weighing apparatus valve(4)It is connected;Flowmeter(6)It is serially connected in reversal valve(5)With balanced valve(4)2 the 1 of fluid pressure line hydraulic tubes of connection Lu Shang;Flowmeter(6)By cable and controller(8)Signal is electrically connected;
Described second pressure sensor(7)It is arranged on insulation aerial work platform(1)Telescopic support leg(13)On, each Telescopic support leg(13)Upper difference is each to set 1;Each second pressure sensor(7)With controller(8)Signal is electrically connected;
Described first pressure sensor(3)Real-time detection oil pressure chamber(21)Pressure is simultaneously transferred to controller(8);Flowmeter (6)Real-time detection flows in or out amplitude oil cylinder(2)Liquid measure and detection information is transferred to controller(8);Controller(8)By Flowmeter(6)The flow of detection accordingly calculates telescopic arm(11)Stroke and the angle relative to ground;If controller (8)When the pressure for monitoring has exceeded the maximum pressure allowed under corresponding angle, controller(8)Send signal-inhibiting telescopic arm (11)Proceed extending action or the action of downward luffing;
Described each second pressure sensor(7)The pressure signal for being detected respectively is transferred to controller(8);Controller (8)By each second pressure sensor(7)The data summation reported and submitted accordingly draws whole insulation aerial work platform(1)Weight and The summation of platform load, works as controller(8)The weight for monitoring is more than insulation aerial work platform(1)Weight and platform allow Maximum load summation when, controller(8)Judge to overload and send signal cut everything.
CN201611175348.XA 2015-03-27 2015-03-27 The amplitude of the good insulation aerial work platform of safety limits system Active CN106744552B (en)

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CN201611175348.XA CN106744552B (en) 2015-03-27 2015-03-27 The amplitude of the good insulation aerial work platform of safety limits system
CN201510141996.2A CN104724645B (en) 2015-03-27 2015-03-27 The amplitude of insulation aerial work platform limits system

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN110594212A (en) * 2019-09-06 2019-12-20 浙江鼎力机械股份有限公司 Control valve, variable amplitude oil cylinder, working method of variable amplitude oil cylinder and aerial work platform

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WO2016155561A1 (en) * 2015-03-27 2016-10-06 江苏省电力公司常州供电公司 Amplitude limiting system of insulated aerial work platform
CN105298951B (en) * 2015-12-02 2018-10-23 湖南星邦重工有限公司 A kind of aerial work platform and its changing-breadth system
CN106082006B (en) * 2016-08-24 2018-08-10 国网山东省电力公司蓬莱市供电公司 Power equipment Foldable lift device
CN106829754B (en) 2017-03-24 2018-05-22 徐州海伦哲专用车辆股份有限公司 A kind of insulating overhead operating vehicle and its automatic amplitude limit method of insulated working platform
CN109081274A (en) * 2017-06-13 2018-12-25 捷尔杰(天津)设备有限公司 A kind of load weighing system applied to aerial work platform
CN110642198A (en) * 2019-10-28 2020-01-03 江苏东迈重工机械有限公司 Overload-prevention lifting mechanism and control method thereof

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CN110594212A (en) * 2019-09-06 2019-12-20 浙江鼎力机械股份有限公司 Control valve, variable amplitude oil cylinder, working method of variable amplitude oil cylinder and aerial work platform
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CN106744552B (en) 2018-10-30
CN104724645A (en) 2015-06-24

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