CN106698279A - Amplitude limiting system for insulated aerial work platform - Google Patents
Amplitude limiting system for insulated aerial work platform Download PDFInfo
- Publication number
- CN106698279A CN106698279A CN201611175353.0A CN201611175353A CN106698279A CN 106698279 A CN106698279 A CN 106698279A CN 201611175353 A CN201611175353 A CN 201611175353A CN 106698279 A CN106698279 A CN 106698279A
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- China
- Prior art keywords
- controller
- insulation
- oil cylinder
- amplitude
- aerial work
- Prior art date
- Legal status (The legal status 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 status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, 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
- B66F17/00—Safety 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 invention provides an amplitude limiting system for an insulated aerial work platform. The amplitude limiting system comprises the insulated aerial work platform. The insulated aerial work platform comprises a telescopic arm, an insulated folding arm and telescopic supporting legs. The amplitude limiting system is structurally characterized in that the amplitude limiting system further comprises an amplitude variation oil cylinder, a first pressure sensor, a balance valve, a reversing valve, a flowmeter, second pressure sensors and a controller; the amplitude variation oil cylinder is installed between the telescopic arm and the insulated folding arm; the amplitude variation oil cylinder is provided with an oil pressure cavity; the first pressure sensor is connected with the oil pressure cavity of the amplitude variation oil cylinder and is further electrically connected with the controller through signals; the balance valve is arranged on the amplitude variation oil cylinder; the reversing valve is connected with the balance valve; the flowmeter is connected between the reversing valve and the balance valve in series and is electrically connected with the controller through signals; and the second pressure sensors are arranged on the telescopic supporting legs and are electrically connected with the controller through signals. By means of the amplitude limiting system, the problem that a hybrid insulated aerial work platform cannot achieve amplitude limitation is solved, and aerial work safety is improved.
Description
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
Precise amplitudes limitation function can be realized when laying electric elements on contracting arm, using to ensure that the insulation high-altitude of high-altitude working safety is made
The amplitude limitation system of industry 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；
Further scheme is：The pressure signal that above-mentioned each second pressure sensor is detected respectively is transferred to control
Device；The corresponding weight for drawing whole insulation aerial work platform of data that controller reports and submits each second pressure sensor summation and
The summation of platform load, when maximum of the weight more than weight and the platform permission of the aerial work platform that insulate that monitoring control devices are arrived
During the summation of load, controller judges to overload and send signal cut everything.
The present invention has positive effect：It is of the invention insulation aerial work platform amplitude limitation system, its with it is existing
Technology is compared, and determines to stretch by the hydraulic pressure of long-range monitoring amplitude oil cylinder and by monitoring the fluid flow in amplitude oil cylinder
The stroke of contracting arm and the angle relative to ground, it is achieved thereby that the detection and control of aerial work platform operation amplitude, solution
Conventional hybrid insulation aerial work platform of having determined cannot enter the problem of line amplitude limitation；Simultaneously using installed in retractable supports
Pressure sensor on leg realizes the monitoring to platform load situation, prevents platform overload operation, further increases high-altitude work
The security of industry.
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 insulation aerial work platform of the present embodiment is mainly put down by insulation work high above the ground
Platform 1, amplitude oil cylinder 2, first pressure sensor 3, balanced valve 4, reversal valve 5, flowmeter 6, second pressure sensor 7 and controller
8 compositions.
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）
Previous embodiment insulation aerial work platform amplitude limitation system, its when in use, amplitude oil cylinder 2 drive telescopic arm
The action of protruding and luffing is realized in 11 actions；The first pressure sensor 3 being connected with the oil pressure chamber 21 of amplitude oil cylinder 2 is examined in real time
Pressure signal suffered by the pressure of survey oil pressure chamber 21 namely amplitude oil cylinder 2, and it is transferred to controller 8；The real-time detection of flowmeter 6
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；The receiving stream of controller 8
The detection data of gauge 6 calculates the state of stretching out of amplitude oil cylinder 2, and then mutually should determine that now telescopic arm 11 is relative to ground
Angle.
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 aerial work platform that insulate, including insulation aerial work platform（1）, described insulation is high
Working platform（1）Including telescopic arm（11）, insulation fold arm（12）And Telescopic support leg（13）；It is characterized in that：Also wrap
Include amplitude oil cylinder（2）, first pressure sensor（3）, balanced valve（4）, reversal valve（5）, flowmeter（6）, second pressure sensor
（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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611175353.0A CN106698279B (en) | 2015-03-27 | 2015-03-27 | A kind of amplitude limitation system of insulation aerial work platform |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611175353.0A CN106698279B (en) | 2015-03-27 | 2015-03-27 | A kind of amplitude limitation system of insulation aerial work platform |
| CN201510141996.2A CN104724645B (en) | 2015-03-27 | 2015-03-27 | The amplitude of insulation aerial work platform limits system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510141996.2A Division CN104724645B (en) | 2015-03-27 | 2015-03-27 | The amplitude of insulation aerial work platform limits system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106698279A true CN106698279A (en) | 2017-05-24 |
| CN106698279B CN106698279B (en) | 2018-10-30 |
Family
ID=53449156
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611175353.0A Active CN106698279B (en) | 2015-03-27 | 2015-03-27 | A kind of amplitude limitation system of insulation aerial work platform |
| CN201611175348.XA Active CN106744552B (en) | 2015-03-27 | 2015-03-27 | The amplitude of the good insulation aerial work platform of safety limits system |
| CN201510141996.2A Active CN104724645B (en) | 2015-03-27 | 2015-03-27 | The amplitude of insulation aerial work platform limits system |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611175348.XA Active CN106744552B (en) | 2015-03-27 | 2015-03-27 | The amplitude of the good insulation aerial work platform of safety limits system |
| CN201510141996.2A Active CN104724645B (en) | 2015-03-27 | 2015-03-27 | The amplitude of insulation aerial work platform limits system |
Country Status (1)
| Country | Link |
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| CN (3) | CN106698279B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885046A (en) * | 2019-10-28 | 2020-03-17 | 江苏东迈重工机械有限公司 | Overload-prevention lifting mechanism and control method thereof |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110594212B (en) * | 2019-09-06 | 2024-06-07 | 浙江鼎力机械股份有限公司 | Control valve, amplitude-variable oil cylinder, working method of amplitude-variable oil cylinder and aerial working platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757895A (en) * | 1972-03-10 | 1973-09-11 | Applied Power Inc | Aerial lift vehicle |
| JPH11106199A (en) * | 1997-09-30 | 1999-04-20 | Aichi Corp | Boom expansion work control device of working vehicle |
| CN102145869A (en) * | 2011-02-15 | 2011-08-10 | 徐州赫思曼电子有限公司 | Safety limit system for amplitude limit and torque limit redundancy |
| CN202016844U (en) * | 2011-02-15 | 2011-10-26 | 徐州赫思曼电子有限公司 | Safe limiting system with extent limitation and moment limitation redundancies |
| CN203474311U (en) * | 2013-09-18 | 2014-03-12 | 国家电网公司 | Insulating boom hoist |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620706B (en) * | 2012-04-11 | 2014-03-26 | 中联重科股份有限公司 | Method, device and system for calibrating variable amplitude measurement device in engineering machinery |
| CN204529247U (en) * | 2015-03-27 | 2015-08-05 | 江苏省电力公司常州供电公司 | A kind of amplitude restriction system of the high-altitude operation platform that insulate |
-
2015
- 2015-03-27 CN CN201611175353.0A patent/CN106698279B/en active Active
- 2015-03-27 CN CN201611175348.XA patent/CN106744552B/en active Active
- 2015-03-27 CN CN201510141996.2A patent/CN104724645B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3757895A (en) * | 1972-03-10 | 1973-09-11 | Applied Power Inc | Aerial lift vehicle |
| JPH11106199A (en) * | 1997-09-30 | 1999-04-20 | Aichi Corp | Boom expansion work control device of working vehicle |
| CN102145869A (en) * | 2011-02-15 | 2011-08-10 | 徐州赫思曼电子有限公司 | Safety limit system for amplitude limit and torque limit redundancy |
| CN202016844U (en) * | 2011-02-15 | 2011-10-26 | 徐州赫思曼电子有限公司 | Safe limiting system with extent limitation and moment limitation redundancies |
| CN203474311U (en) * | 2013-09-18 | 2014-03-12 | 国家电网公司 | Insulating boom hoist |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885046A (en) * | 2019-10-28 | 2020-03-17 | 江苏东迈重工机械有限公司 | Overload-prevention lifting mechanism and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104724645B (en) | 2017-03-15 |
| CN106698279B (en) | 2018-10-30 |
| CN106744552B (en) | 2018-10-30 |
| CN104724645A (en) | 2015-06-24 |
| CN106744552A (en) | 2017-05-31 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Qiang Inventor after: Chen Hong Inventor after: Yin Honghai Inventor before: Yin Honghai |
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| CB03 | Change of inventor or designer information | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 213003, No. 27, front street, Tianning District, Jiangsu, Changzhou Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co. Patentee after: STATE GRID CHANG ZHOU CURRENT SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Co-patentee after: STATE GRID CORPORATION OF CHINA Address before: 213003, No. 27, front street, Tianning District, Jiangsu, Changzhou Co-patentee before: JIANGSU ELECTRIC POWER Co. Patentee before: CHANG ZHOU CURRENT SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Co-patentee before: State Grid Corporation of China |
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| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 213003 No. 27, West Front Street, Changzhou, Jiangsu Co-patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. Patentee after: STATE GRID JIANGSU ELECTRIC POWER Co.,Ltd. CHANGZHOU POWER SUPPLY BRANCH Co-patentee after: STATE GRID CORPORATION OF CHINA Address before: 213003, No. 27, front street, Tianning District, Jiangsu, Changzhou Co-patentee before: STATE GRID JIANGSU ELECTRIC POWER Co. Patentee before: STATE GRID CHANG ZHOU CURRENT SUPPLY COMPANY OF JIANGSU ELECTRIC POWER Co. Co-patentee before: STATE GRID CORPORATION OF CHINA |
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