CN202967957U - Road wrecker shackle hook security control system based on moment detection - Google Patents
Road wrecker shackle hook security control system based on moment detection Download PDFInfo
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- CN202967957U CN202967957U CN 201220669310 CN201220669310U CN202967957U CN 202967957 U CN202967957 U CN 202967957U CN 201220669310 CN201220669310 CN 201220669310 CN 201220669310 U CN201220669310 U CN 201220669310U CN 202967957 U CN202967957 U CN 202967957U
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- oil cylinder
- pressure sensor
- control system
- master controller
- flashing lamp
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model discloses a road wrecker shackle hook security control system based on moment detection, and belongs to security control systems of engineering machinery. The input end of the main controller of the control system is connected with the output end of a sensor; the output end of the main controller is respectively connected with a working state indicator and a control executor; an amplitude variation oil cylinder large-chamber oil-pressure sensor and an amplitude variation oil cylinder small-chamber oil-pressure sensor are respectively installed in the large chamber and small chamber of an amplitude variation oil cylinder, so as to monitor the oil pressure in the amplitude variation oil cylinder in real time; the output ends of the amplitude variation oil cylinder large-chamber oil-pressure sensor and the amplitude variation oil cylinder small-chamber oil-pressure sensor are connected with the input end of the main controller; a suspension arm length angle sensor is installed on a suspension arm so as to monitor the inclination and the stroke of the suspension arm in real time; and the output end of the suspension arm length angle sensor is connected with the input end of the main controller. The control system has the advantages that a sound-light alarm can be automatically made when a shackle hook of a road wrecker is overloaded, and the shackle hook is prevented from action which increases the load moment, so that the shackle hook of the road wrecker is safer in the working process.
Description
Technical field
The utility model relates to a kind of safety control system of construction machinery and equipment, the road obstacle clearing vehicle rotating lifting safety control system that especially detects based on moment.
Background technology
At present, the road obstacle clearing vehicle of domestic production is not all installed the rotating lifting safety control system or rotating lifting safety control system based on pressure detection only is installed.When wrecker carries out lifting operation, the wrecker of safety control system is not installed in operation process, the safety problems such as car load unstability, arm are damaged, amplitude oil cylinder is impaired easily appear, be equipped with based on the wrecker of the safety control system of pressure detection can be excessive because of safety factor, real-time hoisting moment is calculated the reasons such as not accurate enough, can not take full advantage of the load-carrying ability of wrecker rotating lifting.
The utility model content
The purpose of this utility model is to provide a kind of: can be to the road obstacle clearing vehicle rotating lifting safety control system that detects based on moment of the rotating lifting hoisting moment Real-Time Monitoring of road obstacle clearing vehicle, processing, indication.
The purpose of this utility model is achieved in that this rotating lifting safety control system comprises: master controller, sensor, mode indicator and control actr; The input end of master controller is connected with the mouth of sensor, the mouth of master controller respectively with mode indicator be connected actr and be connected.
Described sensor comprises amplitude oil cylinder large chamber oil pressure sensor, amplitude oil cylinder loculus oil pressure sensor, length of boom angular transducer; Described mode indicator comprises red flashing lamp, yellow flashing lamp, green flashing lamp and buzzer phone; Described control actr is that electromagnetic valve is controlled in an off-load.
Amplitude oil cylinder large chamber oil pressure sensor and amplitude oil cylinder loculus oil pressure sensor are installed on respectively large chamber and the loculus of amplitude oil cylinder, oil pressure in amplitude oil cylinder is carried out Real-Time Monitoring, and amplitude oil cylinder large chamber oil pressure sensor is connected mouth and is connected with the input end of master controller with amplitude oil cylinder loculus oil pressure sensor; The length of boom angular transducer is installed on arm, and Real-Time Monitoring is carried out at arm inclination angle and stroke, and the mouth of length of boom angular transducer is connected with the input end of master controller.
The mouth of described master controller is connected with buzzer phone with the red flashing lamp of mode indicator, yellow flashing lamp, green flashing lamp respectively; Also controlling electromagnetic valve with the off-load of controlling actr is connected.
Beneficial effect, owing to having adopted such scheme, master controller simulates the hoisting moment curve according to the lifting performance table, and then the maximum hoisting moment of rotating lifting when obtaining arm and being in different inclination angles and length.Master controller calculates the real-time hoisting moment of rotating lifting according to the correlation parameter of sensor testing result and rotating lifting, this result and hoisting moment curve are compared, according to comparing result, electromagnetic valve is controlled in the corresponding signal of each output port output to red flashing lamp, yellow flashing lamp, green flashing lamp, buzzer phone and off-load.Rotating lifting lifting performance table is to calculate according to whole vehicle stability, boom structure safety performance, amplitude oil cylinder maximum driving force three aspects, the biggest lifting capacity is got the minimum value of three maximum load ratinges that calculate according to these three factors, has guaranteed like this safety of wrecker complete machine in the operation process.Reached the purpose of this utility model.
Advantage: the length angular transducer is installed, and master controller is more accurate to the calculating of real-time hoisting moment; Safety factor is more reasonable, more takes full advantage of crane capacity; The rotating lifting of wrecker carries out sound and light alarm automatically when overloading, and the action of preventing rotating lifting that hoisting moment is increased, makes the rotating lifting operation process of wrecker have more safety.
Description of drawings
Fig. 1 is composition frame chart of the present utility model.
In figure, 1, master controller; 2, the large chamber of amplitude oil cylinder oil pressure sensor; 3, amplitude oil cylinder loculus oil pressure sensor; 4, length of boom angular transducer; 5, red flashing lamp; 6, yellow flashing lamp; 7, green flashing lamp; 8, buzzer phone; 9, electromagnetic valve is controlled in off-load.
The specific embodiment
Embodiment 1: this rotating lifting safety control system comprises: master controller 1, sensor, mode indicator and control actr; The input end of master controller is connected with the mouth of sensor, the mouth of master controller respectively with mode indicator be connected actr and be connected.
Described sensor comprises amplitude oil cylinder large chamber oil pressure sensor 2, amplitude oil cylinder loculus oil pressure sensor 3, length of boom angular transducer 4; Described mode indicator comprises red flashing lamp 5, yellow flashing lamp 6, green flashing lamp 7 and buzzer phone 8; Described control actr is that electromagnetic valve 9 is controlled in an off-load, and when being used for changing the rotating lifting overload, the hydraulic oil of telescopic oil cylinder of suspension arm and amplitude oil cylinder flows to.
The large chamber of amplitude oil cylinder oil pressure sensor 2 and amplitude oil cylinder loculus oil pressure sensor 3 are installed on respectively large chamber and the loculus of amplitude oil cylinder, oil pressure in amplitude oil cylinder is carried out Real-Time Monitoring, the large chamber of amplitude oil cylinder oil pressure sensor 2 is connected mouth and is connected with the input end of master controller 1 with amplitude oil cylinder loculus oil pressure sensor, testing result is inputed to master controller 1; Length of boom angular transducer 4 is installed on arm, and Real-Time Monitoring is carried out at arm inclination angle and stroke, and the mouth of length of boom angular transducer 4 is connected with the input end of master controller 1, and testing result is inputed to master controller 1.
The mouth of described master controller 1 is connected with buzzer phone with red flashing lamp 5, yellow flashing lamp 6, the green flashing lamp 7 of mode indicator respectively and is connected; Also controlling electromagnetic valve 9 with the off-load of controlling actr is connected.
Calculate wrecker rotating lifting lifting performance table according to whole vehicle stability, boom structure safety performance, amplitude oil cylinder maximum driving force three aspects.With the data inputs master controller 1 in this table, master controller simulates the hoisting moment curve according to the lifting performance table, and then the maximum hoisting moment of rotating lifting when obtaining arm and being in different change angles and length, and this value is slightly less than the limiting load of rotating lifting.
In the accompanying drawings, when the rotating lifting of wrecker carried out operation, amplitude oil cylinder large chamber oil pressure sensor 2 and amplitude oil cylinder loculus oil pressure sensor 3 carried out Real-Time Monitoring to large and small chamber oil pressure in amplitude oil cylinder respectively, testing result input master controller 1; 4 pairs of arm inclination angles of length of boom angular transducer and stroke carry out Real-Time Monitoring, testing result input master controller 1; Master controller 1 calculates the real-time hoisting moment of rotating lifting according to the correlation parameter of sensor testing result and rotating lifting, specified hoisting moment corresponding on this result and hoisting moment curve is compared.Comparative result is divided into four kinds of situations: 1. low load operation state, less than and both difference larger; 2. near the critically limit load condition, less than but both difference is less; 3. critically limit load condition between near a very little interval, and does not surpass the ultimate load of hoisting crane; 4. overload condition has surpassed the ultimate load of hoisting crane.According to comparative result, electromagnetic valve 9 is controlled in the corresponding signal of each output port output to red flashing lamp 5, yellow flashing lamp 6, green flashing lamp 7, buzzer phone 8 and off-load.
When rotating lifting is in low load operation state, the output port 1 output digital quantity signal 1 green flashing lamp 7 of access;
When rotating lifting during near the critically limit load condition, the output port 2 output digital quantity signals 2 yellow flashing lamps 6 of access;
When rotating lifting critically limit load condition, the output port 3 output digital quantity signal 3 red flashing lamp 5 of access and buzzer phones 8, this signal continues 5 seconds at least;
When rotating lifting is in overload condition, the output port 3 output digital quantity signal 3 red flashing lamp 5 of access and buzzer phones 8, output port 4 output digital quantity signal 4---off-load control signals, this control signal directly drives off-load and controls electromagnetic valve 9, after off-load control electromagnetic valve 9 receives signal, the hydraulic oil that changes telescopic oil cylinder of suspension arm and amplitude oil cylinder flows to, and prevents the action that the arm oil cylinder is stretched, amplitude oil cylinder contracts, and namely prevents the further increase of the hoisting moment of crane system.At this moment, the action that can carry out arm contracting and amplitude oil cylinder liter reduces the hoisting moment of rotating lifting, or does ground is put back in load by putting rop exercise.
Claims (4)
1. road obstacle clearing vehicle rotating lifting safety control system that detects based on moment, it is characterized in that: this safety control system comprises: master controller, sensor, mode indicator and control actr; The input end of master controller is connected with the mouth of sensor, the mouth of master controller respectively with mode indicator be connected actr and be connected.
2. the road obstacle clearing vehicle rotating lifting safety control system that detects based on moment according to claim 1 is characterized in that: described sensor comprises amplitude oil cylinder large chamber oil pressure sensor, amplitude oil cylinder loculus oil pressure sensor, length of boom angular transducer; Described mode indicator comprises red flashing lamp, yellow flashing lamp, green flashing lamp and buzzer phone; Described control actr is that electromagnetic valve is controlled in an off-load.
3. the road obstacle clearing vehicle rotating lifting safety control system that detects based on moment according to claim 2, it is characterized in that: described amplitude oil cylinder large chamber oil pressure sensor and amplitude oil cylinder loculus oil pressure sensor are installed on respectively large chamber and the loculus of amplitude oil cylinder, oil pressure in amplitude oil cylinder is carried out Real-Time Monitoring, and amplitude oil cylinder large chamber oil pressure sensor is connected mouth and is connected with the input end of master controller with amplitude oil cylinder loculus oil pressure sensor; The length of boom angular transducer is installed on arm, and Real-Time Monitoring is carried out at arm inclination angle and stroke, and the mouth of length of boom angular transducer is connected with the input end of master controller.
4. the road obstacle clearing vehicle rotating lifting safety control system that detects based on moment according to claim 1, it is characterized in that: the mouth of described master controller (1) is connected with buzzer phone with the red flashing lamp of mode indicator, yellow flashing lamp, green flashing lamp respectively; Also controlling electromagnetic valve with the off-load of controlling actr is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669310 CN202967957U (en) | 2012-12-07 | 2012-12-07 | Road wrecker shackle hook security control system based on moment detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220669310 CN202967957U (en) | 2012-12-07 | 2012-12-07 | Road wrecker shackle hook security control system based on moment detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202967957U true CN202967957U (en) | 2013-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220669310 Expired - Lifetime CN202967957U (en) | 2012-12-07 | 2012-12-07 | Road wrecker shackle hook security control system based on moment detection |
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| Country | Link |
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| CN (1) | CN202967957U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847725A (en) * | 2015-04-17 | 2015-08-19 | 徐州徐工随车起重机有限公司 | Novel torque limiting valve and hydraulic-control torque limiting system with novel torque limiting valve |
| CN107337124A (en) * | 2017-08-17 | 2017-11-10 | 中联重科股份有限公司 | Crane and crane boom control method and system thereof |
| CN112744358A (en) * | 2017-06-23 | 2021-05-04 | Rte电力运输网络公司 | Anti-slewing device and method for lifting, suspending and moving loads |
| CN117800196A (en) * | 2023-08-09 | 2024-04-02 | 苏州阳泽丰精密科技有限公司 | Anti-falling device is got to laser radar subassembly clamp |
-
2012
- 2012-12-07 CN CN 201220669310 patent/CN202967957U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847725A (en) * | 2015-04-17 | 2015-08-19 | 徐州徐工随车起重机有限公司 | Novel torque limiting valve and hydraulic-control torque limiting system with novel torque limiting valve |
| CN112744358A (en) * | 2017-06-23 | 2021-05-04 | Rte电力运输网络公司 | Anti-slewing device and method for lifting, suspending and moving loads |
| CN112744358B (en) * | 2017-06-23 | 2024-06-11 | Rte电力运输网络公司 | Anti-rotation device and method for lifting, hanging and moving load |
| CN107337124A (en) * | 2017-08-17 | 2017-11-10 | 中联重科股份有限公司 | Crane and crane boom control method and system thereof |
| CN107337124B (en) * | 2017-08-17 | 2019-04-19 | 中联重科股份有限公司 | Crane and crane boom control method and system thereof |
| CN117800196A (en) * | 2023-08-09 | 2024-04-02 | 苏州阳泽丰精密科技有限公司 | Anti-falling device is got to laser radar subassembly clamp |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130605 |
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| CX01 | Expiry of patent term |