CN108033365A - Collide stress response system, sky lift and interference preventing method - Google Patents
Collide stress response system, sky lift and interference preventing method Download PDFInfo
- Publication number
- CN108033365A CN108033365A CN201711206609.4A CN201711206609A CN108033365A CN 108033365 A CN108033365 A CN 108033365A CN 201711206609 A CN201711206609 A CN 201711206609A CN 108033365 A CN108033365 A CN 108033365A
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- China
- Prior art keywords
- agent structure
- control unit
- collision
- driving mechanism
- described control
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/04—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track
- B66C15/045—Safety gear for preventing collisions, e.g. between cranes or trolleys operating on the same track electrical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention discloses one kind collision stress response system, sky lift and interference preventing method, the collision detecting system to include:It is capable of agent structure, detection device, control unit and the driving mechanism of activity, detection device is arranged in agent structure, for detecting whether agent structure collides, detection device is connected with control unit signal, collision information is transmitted to control unit, control unit is connected with driving mechanism signal, and the power source of driving mechanism can be cut off when judging that agent structure collides, driving mechanism is connected with agent structure, for driving agent structure activity.Pass through above-mentioned technical proposal, detection device can detect whether agent structure collides the moment, and cut off the power source of driving mechanism in time automatically by control unit when colliding, so as to improve the operational security of agent structure during the motion, protection level is high.
Description
Technical field
The present invention relates to safety detection technology field, more particularly to one kind collision stress response system, sky lift and collision
Guard method.
Background technology
Fig. 1 is the jib structure schematic diagram of a sky lift, and working bucket is arranged on the end of arm support, plays manned rescue etc. and makees
With under normal circumstances, front, left side, right side, the lower section of working bucket can all install at least one anticollision radar, and detection is different
Distance between direction working bucket and barrier, such as, when left side anticollision detections of radar to obstacle distance in risk range
When, the action of cut-out arm support left-hand rotation, when front anticollision radar detection is to barrier, cut-out arm support is stretched out and declined dynamic
Make, prevent collision accident, and so on, realize the function of safety protection of working bucket.
In practical applications, the setting of working bucket anticollision can not comprehensively protect whole arm support, work as obstacle
When thing is present in below arm support lower section rather than working bucket in job area, anticollision radar can not detect barrier, nothing
Method cut-out arm support action, so as to cause the damage of arm support or property.In addition, when colliding, artificial control reaction is slower,
Collision cannot be prevented in time, so collision can be made to cause more serious consequence, it is therefore desirable to have a kind of method is realized to arm support
Carry out the detection of effective risk of collision and take effective protection measure.
The content of the invention
The purpose of the invention is to overcome sky lift arm support existing in the prior art to be difficult to asking for comprehensive collision detection
Topic, there is provided collision stress response system, which has acceleration transducer, and can be carried out according to acceleration transducer complete
The collision detection in orientation.
To achieve these goals, one aspect of the present invention provides a kind of collision stress response system, the collision detecting system bag
Include:It is capable of agent structure, detection device, control unit and the driving mechanism of activity,
The detection device is arranged in the agent structure, for detecting whether the agent structure collides,
The detection device is connected with described control unit signal, and collision information is transmitted to described control unit,
Described control unit is connected with the driving mechanism signal, and can be when judging that the agent structure collides
The power source of the driving mechanism is cut off,
The driving mechanism is connected with the agent structure, for driving the agent structure activity.
Preferably, the detection device is acceleration transducer, and the acceleration transducer can detect the main body knot
The acceleration parameter of structure, described control unit judge whether the agent structure touches according to the change of the acceleration parameter
Hit, the power source of the driving mechanism is cut off when judging that the agent structure is collided.
Preferably, the collision detecting system further includes the angle sensor for detecting the agent structure change angle
Device, the angular transducer are connected with described control unit signal, and change angle parameter is transmitted to described control unit.
Preferably, the collision detecting system further includes display unit, the display unit and described control unit signal
Connection, and can show the collision status information, the change angle parameter and the acceleration parameter of agent structure.
Preferably, the driving mechanism includes electromagnetic proportional valve and execution unit, and the power source passes through the electromagnetism ratio
Example valve is connected with the execution unit, and the execution unit is connected with the agent structure, for driving the agent structure to live
Dynamic, described control unit is connected with the solenoid-operated proportional valve signal, and can control the open and-shut mode of the electromagnetic proportional valve, with
The execution unit is controlled to drive the agent structure activity.
Preferably, the execution unit is hydraulic cylinder, and/or, the power source is hydraulic pump.
Preferably, the agent structure is sky lift arm support or sky lift ladder.
Another aspect of the present invention provides a kind of sky lift to solve the above-mentioned problems, including collision provided by the present invention should
Swash system.
The present invention provides a kind of interference preventing method again to solve the above-mentioned problems, and the interference preventing method is used to protect
It is capable of the agent structure of activity, the agent structure is driven by driving mechanism, and can be moved down in the driving of the driving mechanism
It is dynamic,
The interference preventing method comprises the following steps:
S1, detects whether the agent structure collides using detection device;
Collision information is transmitted to described control unit by S2, the detection device;
S3, described control unit cut off the power source of the driving mechanism when judging that the agent structure collides.
Preferably, the detection device is acceleration transducer, and the acceleration transducer can detect the main body knot
The acceleration parameter of structure, the S3 include:Described control unit judges the main body knot according to the change of the acceleration parameter
Whether structure collides.
Preferably, when acceleration direction changes, judge that the agent structure collides.
Preferably, the interference preventing method further includes:
The agent structure change angle is detected using angular transducer, and in S3, when described control unit cuts off institute
When stating the power source of driving mechanism, the change angle of control unit record at this time.
Through the above technical solutions, detection device can detect whether agent structure collides the moment, and colliding
When cut off the power source of driving mechanism in time automatically by control unit, so as to improve agent structure during the motion
Operational security, protection level are high;Further, detection device is preferably acceleration transducer, and acceleration transducer can be real-time
The acceleration parameter of agent structure is gathered, since agent structure is when colliding barrier during movement, its acceleration ginseng
Change dramatically can occur for number, so can directly judge whether agent structure collides by the change of acceleration parameter, so
Afterwards control unit can make cut-out driving mechanism power source stress safeguard measure.Agent structure is additionally, since as one
Overall, the movement of its each position is synchronous, so only needing an acceleration transducer to realize the whole agent structure of protection
Effect.
Brief description of the drawings
Fig. 1 is the jib structure schematic diagram of sky lift;
Fig. 2 is the schematic diagram that stress response system is collided in one embodiment of the invention;
Fig. 3 is the decision flowchart of interference preventing method in one embodiment of the invention.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.It should be noted that this implementation
The signal connection carried in mode can include:Electrical communication, optical signal communication, magnetic induction communication etc..
Refering to Fig. 2, it is illustrated that the principle schematic that stress response system is collided in present embodiment, the collision detection system
System includes:It is capable of agent structure, detection device, control unit and the driving mechanism of activity, control unit is PLC technology
Device, for example, described control unit can use PLC controller, so that control unit can easily setting processing side according to demand
Formula.The working method of each part is as follows:
The detection device is arranged in the agent structure, for detecting whether the agent structure collides, institute
State detection device to be connected with described control unit signal, collision information is transmitted to described control unit, described control unit
It is connected with the driving mechanism signal, and the dynamic of the driving mechanism can be cut off when judging that the agent structure collides
Power source, the driving mechanism are connected with the agent structure, for driving the agent structure activity.
Detection unit can detect collision information in real time, and collision information is fed back to control unit, and control unit can
Judge whether agent structure collides according to collision information, and cut off the dynamic of the driving mechanism in time when colliding
Power source, so as to avoid the increase of impact severity from root.
For the judgement of collision, it can be judged according to some characteristic variations of agent structure when colliding, due to working as
When agent structure collides, its kinetic characteristic can change in the short time, its speed and acceleration parameter can become the short time
Change, and its value easily measures, so detection device can be preferably acceleration transducer.The acceleration transducer can be examined
The acceleration parameter of the agent structure is surveyed, described control unit judges the main body knot according to the change of the acceleration parameter
Whether structure collides, and the power source of the driving mechanism is cut off when judging that the agent structure is collided.
During agent structure is moved, the requirement of its movement velocity is steady, so under normal condition, its acceleration magnitude
Change can be in a relatively more fixed scope, this scope can be according to the different and different of agent structure, when agent structure is sent out
During raw collision, in moment one anomalous variation can occur for its speed, typically result in the change of acceleration direction, or its excursion
Beyond normal excursion, so control unit can judge whether agent structure touches according to the situation of change of acceleration
Hit, when judging that agent structure collides, cut off the power source of the driving mechanism in time, with stress prevent main body knot
Structure continues to move to, and the initial stage so as to collide in agent structure prevents agent structure and continues to move to, and reaches protection main body
The effect of structure and surrounding enviroment.
Further, the driving mechanism includes electromagnetic proportional valve and execution unit, and the power source passes through the electromagnetism ratio
Example valve is connected with the execution unit, and the execution unit is connected with the agent structure, for driving the agent structure to live
Dynamic, described control unit is connected with the solenoid-operated proportional valve signal, and can control the open and-shut mode of the electromagnetic proportional valve, with
The execution unit is controlled to drive the agent structure activity.In engineering machinery field, generally use hydraulic control, with obtain compared with
Big driving force, so, the execution unit is preferably hydraulic cylinder and/or hydraulic motor, and the power source is preferably hydraulic pump.
A control unit of the electromagnetic proportional valve between execution unit and power source, it is possible to by controlling electromagnetic proportional valve to control
Action so that further control agent structure motion state.Further, it is also possible to directly controlling power source stress protect to realize
Shield measure, for example, the motor of control unit control hydraulic pump shuts down, so that hydraulic pump stops conveying hydraulic energy, correspondingly,
Also execution unit stop motion is just made.Certainly, it is also many to cut off the mode of power source, distance can be according to execution unit and power
Energy conversion mode between source does accommodation, such as:When execution unit is motor, opening for motor can be directly cut off
Close to achieve the purpose that to protect.
In order to detect agent structure information the location of when colliding, the collision detecting system further includes use
In the angular transducer for detecting the agent structure change angle, the angular transducer is connected with described control unit signal,
Change angle parameter is transmitted to described control unit.When agent structure collides, the change of control unit record at this time
Width angle parameter, so as to adjust the position of agent structure according to the information.
Further, the collision detecting system further includes display unit, the display unit and described control unit signal
Connection, and can show the collision status information, the change angle parameter and the acceleration parameter of agent structure.It is aobvious
Show unit can be can touch screen manipulation display screen, consequently facilitating carry out human-computer interaction, in addition can also be inputted from display unit
The excursion of one acceleration parameter is to control unit.
Specifically, the agent structure is sky lift arm support, sky lift ladder or other aerial ladder arm supports, fire fighting truck arm support
Deng.
According to above-mentioned collision stress response system, present embodiment also provides a kind of sky lift, and what present embodiment was provided touches
Hit stress response system.
On the other hand, present embodiment also provides a kind of interference preventing method, and the interference preventing method is used to protect energy
The agent structure of enough activities, the agent structure is driven by driving mechanism, and can be moved under the driving of the driving mechanism,
The interference preventing method comprises the following steps:
S1, detects whether the agent structure collides using detection device;
Collision information is transmitted to described control unit by S2, the detection device;
S3, described control unit cut off the power source of the driving mechanism when judging that the agent structure collides.
When the detection device uses acceleration transducer, the acceleration transducer can detect the agent structure
Acceleration parameter, the S3 includes:Described control unit judges the agent structure according to the change of the acceleration parameter
Whether collide.Certainly, detection device can also include acceleration transducer and velocity sensor at the same time, this can be at the same time
Acceleration parameter and speed parameter are detected, speed parameter can be the factor that collision is judged as control unit.
Specifically, the interference preventing method further includes:The agent structure change angle is detected using angular transducer,
And in S3, when described control unit cuts off the power source of the driving mechanism, the change angle of control unit record at this time.
In the S3, when acceleration direction changes, judge that the agent structure collides, and cut off the dynamic of the driving mechanism
Power source.
Judge that collision information is accurate and timely by way of deceleration Parameters variation, stress so as to play well
The effect of protection, and only need an acceleration transducer to can detect the collision information of whole agent structure, have good
Practicality.
Fig. 3 is please referred to, control unit can determine whether to break down according to acceleration parameter, if fault-free, electricity
Magnetic proportioning valve is opened, the normal output hydraulic pressure kinetic energy of power source, execution unit driven agent structure, is added in this process
Velocity sensor detects the acceleration parameter excursion of agent structure in real time, when detecting acceleration parameter in normal range (NR)
When interior, control unit judges fault-free, and acceleration transducer can be made to continue to detect acceleration parameter;When detect acceleration join
When number scope transfinites, control unit will judge the failure that collides, and control electromagnetic proportional valve to close at the same time, so as to cut off hydraulic pressure
Power, avoids execution unit from continuing to drive agent structure movement, achievees the purpose that to protect agent structure, when judgement collides
When, also fault log etc. can be preserved by control unit.After power source is cut off, control unit can send screen alarm,
Operating personnel are prompted to release failure, operating personnel can recover manually, agent structure is moved from abort situation, and releasing
Fault cues are removed after failure.Fault message can show Reflector by display unit.Operating personnel release fault cues
Mode can eliminate the Reflector by display and operation unit.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited thereto.At this
In the range of the technology design of invention, a variety of simple variants can be carried out to technical scheme.Including each particular technique
Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various combinations of possible ways
No longer separately illustrate.But these simple variants and combination should equally be considered as content disclosed in this invention, belong to the present invention
Protection domain.
Claims (12)
1. one kind collision stress response system, it is characterised in that the collision detecting system includes:It is capable of agent structure, the inspection of activity
Device, control unit and driving mechanism are surveyed,
The detection device is arranged in the agent structure, for detecting whether the agent structure collides,
The detection device is connected with described control unit signal, and collision information is transmitted to described control unit,
Described control unit is connected with the driving mechanism signal, and can be cut off when judging that the agent structure collides
The power source of the driving mechanism,
The driving mechanism is connected with the agent structure, for driving the agent structure activity.
2. collision stress response system according to claim 1, it is characterised in that the detection device is acceleration transducer,
The acceleration transducer can detect the acceleration parameter of the agent structure, and described control unit is joined according to the acceleration
Several changes judges whether the agent structure collides, and the driving mechanism is cut off when judging the agent structure collision
Power source.
3. collision stress response system according to claim 2, it is characterised in that the collision detecting system is further included for examining
The angular transducer of the agent structure change angle is surveyed, the angular transducer is connected with described control unit signal, will
Change angle parameter is transmitted to described control unit.
4. collision stress response system according to claim 3, it is characterised in that it is single that the collision detecting system further includes display
Member, the display unit are connected with described control unit signal, and can show the collision status information of agent structure, the change
Width angle parameter and the acceleration parameter.
5. collision stress response system according to claim 1 or 2, it is characterised in that the driving mechanism includes solenoid-operated proportional
Valve and execution unit, the power source are connected by the electromagnetic proportional valve with the execution unit, the execution unit and institute
Agent structure connection is stated, for driving the agent structure activity, described control unit is connected with the solenoid-operated proportional valve signal,
And the open and-shut mode of the electromagnetic proportional valve can be controlled, to control the execution unit to drive the agent structure activity.
6. collision stress response system according to claim 5, it is characterised in that the execution unit is hydraulic cylinder, and/or,
The power source is hydraulic pump.
7. collision stress response system according to claim 1, it is characterised in that the agent structure is sky lift arm support or act
High car ladder.
8. a kind of sky lift, it is characterised in that including the collision stress response system as described in claim 1-7 any one.
A kind of 9. interference preventing method, it is characterised in that the interference preventing method is used to protect the agent structure for being capable of activity,
The agent structure is driven by driving mechanism, and can be moved under the driving of the driving mechanism,
The interference preventing method comprises the following steps:
S1, detects whether the agent structure collides using detection device;
Collision information is transmitted to described control unit by S2, the detection device;
S3, described control unit cut off the power source of the driving mechanism when judging that the agent structure collides.
10. interference preventing method according to claim 9, it is characterised in that the detection device is acceleration transducer,
The acceleration transducer can detect the acceleration parameter of the agent structure, and the S3 includes:Described control unit according to
The change of the acceleration parameter judges whether the agent structure collides.
11. interference preventing method according to claim 10, it is characterised in that when acceleration direction changes, judge institute
Agent structure is stated to collide.
12. interference preventing method according to claim 9, it is characterised in that the interference preventing method further includes:
The agent structure change angle is detected using angular transducer, and in S3, when described control unit cuts off the drive
During the power source of motivation structure, the change angle of control unit record at this time.
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CN201711206609.4A CN108033365A (en) | 2017-11-27 | 2017-11-27 | Collide stress response system, sky lift and interference preventing method |
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CN201711206609.4A CN108033365A (en) | 2017-11-27 | 2017-11-27 | Collide stress response system, sky lift and interference preventing method |
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CN201272676Y (en) * | 2008-08-13 | 2009-07-15 | 徐州重型机械有限公司 | Engineering machinery working aloft and its working table monitoring system |
CN203079642U (en) * | 2013-02-28 | 2013-07-24 | 中联重科股份有限公司 | Working bucket with falling protection device and overhead truck |
CN204848163U (en) * | 2015-06-11 | 2015-12-09 | 淮南智辉装饰工程有限公司 | High altitude construction hanging flower basket fixing device |
CN105417448A (en) * | 2015-11-06 | 2016-03-23 | 湖北省专用汽车研究院 | Luffing control system and luffing control method for fire-fighting aerial ladder truck |
US20170217746A1 (en) * | 2016-01-28 | 2017-08-03 | Moba Mobile Automation Ag | Crane mechanism and work platform with load detection means and integrated inclination sensor |
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2017
- 2017-11-27 CN CN201711206609.4A patent/CN108033365A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN201272676Y (en) * | 2008-08-13 | 2009-07-15 | 徐州重型机械有限公司 | Engineering machinery working aloft and its working table monitoring system |
CN203079642U (en) * | 2013-02-28 | 2013-07-24 | 中联重科股份有限公司 | Working bucket with falling protection device and overhead truck |
CN204848163U (en) * | 2015-06-11 | 2015-12-09 | 淮南智辉装饰工程有限公司 | High altitude construction hanging flower basket fixing device |
CN105417448A (en) * | 2015-11-06 | 2016-03-23 | 湖北省专用汽车研究院 | Luffing control system and luffing control method for fire-fighting aerial ladder truck |
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Application publication date: 20180515 |