CN106829821A - A kind of scissors type elevating workbench pair load weighing systems - Google Patents
A kind of scissors type elevating workbench pair load weighing systems Download PDFInfo
- Publication number
- CN106829821A CN106829821A CN201710223975.4A CN201710223975A CN106829821A CN 106829821 A CN106829821 A CN 106829821A CN 201710223975 A CN201710223975 A CN 201710223975A CN 106829821 A CN106829821 A CN 106829821A
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- electric control
- limit switch
- control unit
- type elevating
- scissors type
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- 238000005303 weighing Methods 0.000 title claims abstract description 23
- 230000003028 elevating effect Effects 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 description 7
- 230000001960 triggered effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 241001310793 Podium Species 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- HDDSHPAODJUKPD-UHFFFAOYSA-N fenbendazole Chemical compound C1=C2NC(NC(=O)OC)=NC2=CC=C1SC1=CC=CC=C1 HDDSHPAODJUKPD-UHFFFAOYSA-N 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
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
- B66F17/00—Safety devices, e.g. for limiting or indicating lifting force
- B66F17/006—Safety devices, e.g. for limiting or indicating lifting force for working platforms
-
- 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
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
A kind of scissors type elevating workbench pair load weighing systems, the pressure sensor of angular transducer and record oil cylinder lift-off pressures including writing task platform raising height, angular transducer and pressure sensor are connected by wire with electric control unit respectively, electric control unit is connected with low level limit switch and highest limit switch respectively by wire, and it has, and two rated loads, high working efficiency, structure design be simple, low cost and other advantages.
Description
Technical field：
The present invention relates to fork type elevator technical field, and in particular to a kind of scissors type elevating workbench pair load
Weighing system.
Background technology：
Scissors type elevating workbench is widely used work high above the ground special equipment, and load weighing system is scissor-type liter
One of necessary safe-guard system of workbench drops, and the load weighing system on current scissors type elevating workbench is generally only
A kind of rated load is set, i.e., when workbench reaches maximum height, the maximum load set to ensure whole vehicle stability.
Although existing load weighing system protects scissors type elevating workbench to a certain extent, also exist
Deficiency, for example, in real work, the working depth of scissor-type upgrade job platform is often less than critical altitude, when
Can be the rated load for carrying and being set during more than maximum height when being not up to maximum height in the workbench course of work,
But existing load weighing system is only provided with maximum rated load, therefore, cause when scissors type elevating workbench is less than most
Big height cannot carry heavier load when working, it is impossible to the advantage of scissors type elevating workbench be given full play to, so that indirectly
Reduce operating efficiency.
The content of the invention：
The purpose of the present invention is exactly to make up the deficiencies in the prior art, there is provided a kind of scissors type elevating workbench is used
Double load weighing systems, it has, and two rated loads, high working efficiency, structure design be simple, low cost and other advantages, solves
Problems of the prior art.
The present invention is for the solution technical scheme that is used of above-mentioned technical problem：
A kind of scissors type elevating workbench with double load weighing systems, including writing task platform raising height angle
The pressure sensor of sensor and record oil cylinder lift-off pressures, angular transducer and pressure sensor respectively by wire with it is electric
Control unit is connected, and electric control unit is connected with low level limit switch and highest limit switch respectively by wire.
The low level limit switch is inching travel switch, connects normally opened contact.
The highest limit switch is inching travel switch, connects normally-closed contact.
The electric control unit is NVR-201076 electric control units.
The present invention uses such scheme, and the technology existed for existing scissors type elevating workbench load weighing system is asked
Topic, devises a kind of scissors type elevating workbench with double load weighing systems, by design angle sensor, realizes inspection in real time
The lift height of workbench is surveyed, and lift height is changed into electric signal transmission to electric control unit；By design pressure
Sensor, accurately detection oil cylinder is under nominal power in real time when carrying different loads, lifting different height for workbench
Lift-off pressures, and electric signal transmission is converted it into electric control unit；By designing low level limit switch, realize work
The lift height of platform is divided into two sections and separately designs rated load, and low level limit switch is used to switch two kinds of rated loads；It is logical
Design highest limit switch is crossed, realizes, when workbench rises to extreme higher position, being triggered, workbench stops lifting report
It is alert；By designing electric control unit, treatment and computing to input signal are realized, sent according to operation result and referred to accordingly
Order, it is ensured that workbench can both be used with low clearance, big load, it is also possible to which height high, side crops industry are used, so as to reach a car two
Beneficial effect, maximum plays the performance of scissors type elevating workbench, improves operating efficiency.
Brief description of the drawings：
Fig. 1 is structural representation of the invention；
Wherein, 1, angular transducer, 2, pressure sensor, 3, electric control unit, 4, low level limit switch, 5, highest limit
Bit switch.
Specific embodiment：
The present invention will be further described with embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of scissors type elevating workbench double load weighing systems, including writing task platform raising
The angular transducer 1 of height and the pressure sensor 2 of record oil cylinder lift-off pressures, angular transducer 1 and pressure sensor 2 are distinguished
It is connected with electric control unit 3 by wire, electric control unit 3 is limited with low level limit switch 4 and highest respectively by wire
Bit switch 5 is connected, and by design angle sensor 1, realizes the lift height of real-time detection workbench, and lift height is turned
Chemical conversion electric signal transmission is to electric control unit 3；By design pressure sensor 2, carry different loads for workbench, lift
Oil cylinder lift-off pressures under nominal power are accurately detected when rising different height in real time, and converts it into electric signal transmission to electricity
Gas control unit 3；By designing low level limit switch 4, realize the lift height of workbench being divided into two sections and being separately designed
Rated load, low level limit switch 4 is used to switch two kinds of rated loads；By designing highest limit switch 5, realize when work is flat
When platform rises to extreme higher position, it is triggered, workbench stops lifting alarm；By designing electric control unit 3, realize to defeated
Enter the treatment and computing of signal, corresponding instruction is sent according to operation result, it is ensured that workbench both can be with low clearance, big load
Use, it is also possible to which height, side crops industry are used, the beneficial effect dual-purpose so as to reach a car, maximum plays scissors type elevating work
Make the performance of platform, improve operating efficiency.
Low level limit switch 4 is inching travel switch, connects normally opened contact, and low cost, signal detection are accurate.
Highest limit switch 5 is inching travel switch, connects normally-closed contact, and low cost, signal detection are accurate.
Electric control unit 3 is NVR-201076 electric control units.
The course of work of the invention：
Assuming that the maximum lift height of scissors type elevating workbench is 14m, when workbench is highly less than or equal to 10m,
Rated load is 320kg, and when workbench is highly less than or equal to 14m more than 10m, rated load is 220kg.
When scissors type elevating workbench works, the height of the real-time detection workbench of angular transducer 1, and detection is believed
Breath is transferred to electric control unit 3 (ECU), and the lift-off pressures of the real-time detection oil cylinder of pressure sensor 2, lift-off pressures pass through conversion
Load weight can be drawn, and detection information is transferred to electric control unit 3 (ECU), low level limit switch 4 is opened for 10m is spacing
Close, be inching travel switch, connect normally opened contact, highest limit switch 5 is inching travel switch, connects normally-closed contact, works as work
Make podium level less than or equal to 10m, low level limit switch 4 is not triggered, the rated load of workbench is 320kg, and pressure is passed
The oil cylinder lift-off pressures of detection are transferred to electric control unit 3 by sensor 2, and electric control unit 3 is by lift-off pressures information processing
Into load of weighing, and the load that will weigh compares with rated load 320kg, when load of weighing is less than or equal to 320kg, workbench
Normal operation, when load of weighing is more than 320kg, workbench stops lifting and alarming；When workbench lift height is more than
During 10m, low level limit switch 4 is triggered and trigger signal is transferred into electric control unit 3, now the specified load of workbench
Lotus switches to 220kg, pressure sensor 2 that the oil cylinder lift-off pressures of detection are transferred into electric control unit 3, electric control unit
3 by lift-off pressures information processing into load of weighing, and the load that will weigh compares with rated load 220kg, and when weighing, load is less than
During equal to rated load 220kg, workbench normally runs or continues lifting, when load of weighing is more than rated load 220kg,
Workbench is stopped and alarms；When workbench lift height reaches 14m, highest limit switch 5 is triggered, and will touch
Signalling is transferred to electric control unit 3, and workbench stops lifting and alarming.
Above-mentioned specific embodiment cannot function as limiting the scope of the invention, for the technology people of the art
For member, any alternate modification or conversion made to embodiment of the present invention are all fallen within protection scope of the present invention.
The present invention does not describe part in detail, is the known technology of those skilled in the art of the present technique.
Claims (4)
1. a kind of scissors type elevating workbench is with double load weighing systems, it is characterised in that：Including writing task platform raising
The angular transducer of height and the pressure sensor of record oil cylinder lift-off pressures, angular transducer and pressure sensor pass through respectively
Wire is connected with electric control unit, and electric control unit is connected with low level limit switch and highest limit switch respectively by wire
Connect.
2. a kind of scissors type elevating workbench according to claim 1 is with double load weighing systems, it is characterised in that：Institute
Low level limit switch is stated for inching travel switch, normally opened contact is connect.
3. a kind of scissors type elevating workbench according to claim 1 is with double load weighing systems, it is characterised in that：Institute
Highest limit switch is stated for inching travel switch, normally-closed contact is connect.
4. a kind of scissors type elevating workbench according to claim 1 is with double load weighing systems, it is characterised in that：Institute
Electric control unit is stated for NVR-201076 electric control units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223975.4A CN106829821B (en) | 2017-04-07 | 2017-04-07 | Double-load weighing system for scissor-fork type lifting working platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710223975.4A CN106829821B (en) | 2017-04-07 | 2017-04-07 | Double-load weighing system for scissor-fork type lifting working platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106829821A true CN106829821A (en) | 2017-06-13 |
| CN106829821B CN106829821B (en) | 2022-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710223975.4A Active CN106829821B (en) | 2017-04-07 | 2017-04-07 | Double-load weighing system for scissor-fork type lifting working platform |
Country Status (1)
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| CN (1) | CN106829821B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140573A (en) * | 2017-06-20 | 2017-09-08 | 合肥航机械科技股份有限公司 | One kind is based on car lift control system and its control method |
| CN109033020A (en) * | 2018-09-07 | 2018-12-18 | 北谷电子有限公司 | A kind of scissor aerial work platform lift height calculation method |
| CN114018385A (en) * | 2021-11-15 | 2022-02-08 | 平湖普英特高层设备有限公司 | Double weighing device for satellite crane ship |
| CN114483718A (en) * | 2022-04-15 | 2022-05-13 | 临工集团济南重机有限公司 | Load weighing method for aerial work platform and aerial work platform |
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| FR2938492A1 (en) * | 2008-11-14 | 2010-05-21 | Balea | Anti-swing safety system for load handling and lifting machine, has calculating and controlling unit for generating safety data for triggering alerts of sound and visual types according to comparison results |
| 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 |
| CN102756997A (en) * | 2011-04-29 | 2012-10-31 | 永恒力集团 | Industrial truck with height-adjustable load carrying device |
| EP2627602A1 (en) * | 2010-10-12 | 2013-08-21 | Ayden Investments Limited | Apparatus capable of measuring load and load movement |
| CN203173775U (en) * | 2013-03-29 | 2013-09-04 | 中意泰达(营口)汽车保修设备有限公司 | Ultrathin large-scissor type lifter |
| CN106276696A (en) * | 2016-10-08 | 2017-01-04 | 苏州威尔特铝合金升降机械有限公司 | Scissor aerial work platform display system |
| CN206692292U (en) * | 2017-04-07 | 2017-12-01 | 临工集团济南重机有限公司 | A kind of double load weighing systems of scissors type elevating workbench |
-
2017
- 2017-04-07 CN CN201710223975.4A patent/CN106829821B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1279847A (en) * | 1968-06-26 | 1972-06-28 | Dso Balcancar | Electro-hydraulic lifting control units |
| CN101590989A (en) * | 2008-05-26 | 2009-12-02 | 株式会社丰田自动织机 | The load weight measuring device that is used for multi-stage mast forklift truck |
| CN101348216A (en) * | 2008-09-05 | 2009-01-21 | 湖南三一起重机械有限公司 | Crane security protection system and crane thereof |
| FR2938492A1 (en) * | 2008-11-14 | 2010-05-21 | Balea | Anti-swing safety system for load handling and lifting machine, has calculating and controlling unit for generating safety data for triggering alerts of sound and visual types according to comparison results |
| EP2627602A1 (en) * | 2010-10-12 | 2013-08-21 | Ayden Investments Limited | Apparatus capable of measuring load and load movement |
| 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 |
| CN102756997A (en) * | 2011-04-29 | 2012-10-31 | 永恒力集团 | Industrial truck with height-adjustable load carrying device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107140573A (en) * | 2017-06-20 | 2017-09-08 | 合肥航机械科技股份有限公司 | One kind is based on car lift control system and its control method |
| CN109033020A (en) * | 2018-09-07 | 2018-12-18 | 北谷电子有限公司 | A kind of scissor aerial work platform lift height calculation method |
| CN109033020B (en) * | 2018-09-07 | 2022-09-23 | 北谷电子有限公司 | Scissor-fork type aerial work platform lifting height calculation method |
| CN114018385A (en) * | 2021-11-15 | 2022-02-08 | 平湖普英特高层设备有限公司 | Double weighing device for satellite crane ship |
| CN114483718A (en) * | 2022-04-15 | 2022-05-13 | 临工集团济南重机有限公司 | Load weighing method for aerial work platform and aerial work platform |
| CN114483718B (en) * | 2022-04-15 | 2022-07-12 | 临工集团济南重机有限公司 | Load weighing method for aerial work platform and aerial work platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106829821B (en) | 2022-12-09 |
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| CB02 | Change of applicant information |
Address after: No.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province, 250104 Applicant after: Lingong Heavy Machinery Co.,Ltd. Address before: No.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province, 250104 Applicant before: LINGONG GROUP JINAN HEAVY MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240630 Address after: 250000 meters southeast of Qingka North Road, Zaoyuan Street, Zhangqiu District, Jinan City, Shandong Province Patentee after: Lingong Zhongzhu (Jinan) Machinery Technology Co.,Ltd. Country or region after: China Address before: No.2676 Kejia Road, high tech Zone, Jinan City, Shandong Province, 250104 Patentee before: Lingong Heavy Machinery Co.,Ltd. Country or region before: China |