CN106760542B - Arm support control method, cantilever crane control device and concrete mixer - Google Patents
Arm support control method, cantilever crane control device and concrete mixer Download PDFInfo
- Publication number
- CN106760542B CN106760542B CN201611141639.7A CN201611141639A CN106760542B CN 106760542 B CN106760542 B CN 106760542B CN 201611141639 A CN201611141639 A CN 201611141639A CN 106760542 B CN106760542 B CN 106760542B
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- cantilever crane
- arm support
- tail end
- load weight
- present load
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G21/0418—Devices for both conveying and distributing with distribution hose
- E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
- E04G21/0463—Devices for both conveying and distributing with distribution hose with booms with boom control mechanisms, e.g. to automate concrete distribution
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Traffic Control Systems (AREA)
- Jib Cranes (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention proposes a kind of arm support control method, cantilever crane control device and concrete mixers, wherein the arm support control method includes: to detect the present load weight of arm support tail end；The present load weight is compared with the first preset threshold；If the present load weight is greater than first preset threshold, the control signal for controlling the arm support tail end and stopping rising being sent to cantilever crane.According to the technical solution of the present invention, avoid cantilever crane continue in the case of an overload rise cause cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled, to significantly reduce the generation of safety accident.
Description
Technical field
The present invention relates to concrete mixer technical fields, in particular to a kind of arm support control method, a kind of cantilever crane control
Device processed and a kind of concrete mixer.
Background technique
Currently, if cantilever crane overloads, may cause under the operating conditions such as the construction of end hoist, ground or dell, adapter tube pumping
Cantilever crane damage, results even in that cantilever crane unstability fractures or vehicle is tumbled, causes safety accident when serious.
Therefore, how avoiding cantilever crane from occurring in the case of an overload, cantilever crane damage, even cantilever crane unstability fractures or vehicle inclines
The situation turned over becomes technical problem urgently to be resolved.
Summary of the invention
The present invention is based on the above problems, proposes a kind of new technical solution, avoids cantilever crane the case where overloading
It is lower continue rise cause cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled, to significantly reduce safety
The generation of accident.
In view of this, an aspect of of the present present invention proposes a kind of arm support control method, comprising: detect the current of arm support tail end
Load weight；The present load weight is compared with the first preset threshold；If the present load weight is greater than described
First preset threshold then sends the control signal for controlling the arm support tail end and stopping rising to cantilever crane.
In the technical scheme, a weighing sensor is set between the elbow of arm support tail end and hose, which passes
Sensor can detecte the present load weight of arm support tail end, when the present load weight detected is greater than the first preset threshold,
Illustrate that arm support tail end is overweight, then sends control signal to cantilever crane to control cantilever crane and stop rising, avoid cantilever crane in the feelings of overload
Continue to rise under condition and cause cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled, to significantly reduce peace
The generation of full accident.
Preferably, it sends before controlling the step of cantilever crane stops the control signal risen, judges current negative to cantilever crane
Whether loading capacity is greater than the duration of the first preset threshold more than the first preset time, controls if so, executing and sending to cantilever crane
Cantilever crane processed stops the step of control signal risen.
In the above-mentioned technical solutions, it is preferable that Xiang Suoshu cantilever crane, which is sent, controls the control that the arm support tail end stops rising
After the step of signal, comprising: judge whether the arm support tail end actually stops vertical motion；If the arm support tail end is practical
On do not stop vertical motion, then mitigate the present load weight.
In the technical scheme, after sending the control signal for stopping vertical motion to cantilever crane, due to the inertia of cantilever crane,
In the case where the present load preponderance of cantilever crane, cantilever crane does not stop vertical motion actually, therefore, by mitigating cantilever crane
Present load weight to avoid the present load preponderance of cantilever crane, and then avoids the present load weight mistake due to cantilever crane
Lead to cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled again, to significantly reduce the hair of safety accident
It is raw.
Preferably, in the second preset time after sending control arm support tail end to cantilever crane and stopping the control signal risen,
For example, judging whether cantilever crane actually stops vertical motion when sending 3 seconds after control signal to cantilever crane.
In any of the above-described technical solution, it is preferable that after the step of mitigating the present load weight, comprising: judgement
Whether the present load weight after the mitigation of the arm support tail end is less than the second preset threshold；If the present load after the mitigation
Weight is less than second preset threshold, then the control signal for controlling the arm support tail end and rising is sent to the cantilever crane；If institute
It states the present load weight after mitigating and is greater than or equal to second preset threshold, then sent to the cantilever crane and control the cantilever crane
End stops the control signal risen.
In the technical scheme, if present load weight of the cantilever crane after mitigation is less than the second preset threshold, to cantilever crane
The control signal that control cantilever crane rises is sent, to guarantee the normal work of cantilever crane, otherwise, illustrates the current of the cantilever crane after mitigating
Load weight is still overweight, then continues to send the control signal that control cantilever crane stops rising to cantilever crane, to ensure that safety.
In any of the above-described technical solution, it is preferable that carry out the present load weight and first preset threshold
Before the step of comparing, comprising: obtain the load type of the arm support tail end；Numerical value corresponding with the load type is obtained to make
For first preset threshold.
In the technical scheme, the compared with the present load weight of cantilever crane is determined according to the load type of arm support tail end
One preset threshold, so as to relatively accurately determine whether cantilever crane overloads.Wherein, load type includes: cantilever crane hoist and arm
Whether frame collision, cantilever crane collision index arm frame collide barrier.
In any of the above-described technical solution, it is preferable that further include: it is preset if the present load weight is greater than described first
Threshold value then issues the prompting of arm support tail end overload.
In the technical scheme, when present load weight is greater than the first preset threshold, it is super to can be sent out arm support tail end
The prompting of load, so that user can recognize that in time the case where overload occurs in cantilever crane, so that user be allow to adopt in time
Corresponding measure is taken to guarantee being normally carried out for work.And it is because arm support tail end is super that user, which is recognized that cantilever crane stops rising,
It carries, is not that cantilever crane exception occurs.
Another aspect of the present invention proposes a kind of cantilever crane control device, comprising: detection unit, for detecting arm support tail end
Present load weight；Comparing unit, for the present load weight to be compared with the first preset threshold；First control
Unit sends to cantilever crane if being greater than first preset threshold for the present load weight and controls the arm support tail end
Stop the control signal risen.
In the technical scheme, a weighing sensor is set between the elbow of arm support tail end and hose, which passes
Sensor can detecte the present load weight of arm support tail end, when the present load weight detected is greater than the first preset threshold,
Illustrate that arm support tail end is overweight, then sends control signal to cantilever crane to control cantilever crane and stop rising, avoid cantilever crane in the feelings of overload
Continue to rise under condition and cause cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled, to significantly reduce peace
The generation of full accident.
Preferably, it sends before controlling the step of cantilever crane stops the control signal risen, judges current negative to cantilever crane
Whether loading capacity is greater than the duration of the first preset threshold more than the first preset time, controls if so, executing and sending to cantilever crane
Cantilever crane processed stops the step of control signal risen.
In the above-mentioned technical solutions, it is preferable that further include: the first judging unit, for judging that the arm support tail end is practical
On whether stop vertical motion；Adjustment of load unit mitigates if not stopping vertical motion actually for the arm support tail end
The present load weight.
In the technical scheme, after sending the control signal for stopping vertical motion to cantilever crane, due to the inertia of cantilever crane,
In the case where the present load preponderance of cantilever crane, cantilever crane does not stop vertical motion actually, therefore, by mitigating cantilever crane
Present load weight to avoid the present load preponderance of cantilever crane, and then avoids the present load weight mistake due to cantilever crane
Lead to cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled again, to significantly reduce the hair of safety accident
It is raw.
Preferably, in the second preset time after sending control arm support tail end to cantilever crane and stopping the control signal risen,
For example, judging whether cantilever crane actually stops vertical motion when sending 3 seconds after control signal to cantilever crane.
In any of the above-described technical solution, it is preferable that further include: second judgment unit, for judging the arm support tail end
Mitigation after present load weight whether less than the second preset threshold；Second control unit, if for working as after the mitigation
Preceding load weight is less than second preset threshold, then sends to the cantilever crane and control the control letter that the arm support tail end rises
Number；Third control unit, if being greater than or equal to second preset threshold for the present load weight after the mitigation, to
The cantilever crane, which is sent, controls the control signal that the arm support tail end stops rising.
In the technical scheme, if present load weight of the cantilever crane after mitigation is less than the second preset threshold, to cantilever crane
The control signal that control cantilever crane rises is sent, to guarantee the normal work of cantilever crane, otherwise, illustrates the current of the cantilever crane after mitigating
Load weight is still overweight, then continues to send the control signal that control cantilever crane stops rising to cantilever crane, to ensure that safety.
In any of the above-described technical solution, it is preferable that further include: acquiring unit, for obtaining the load of the arm support tail end
Lotus type；Determination unit, for obtaining numerical value corresponding with the load type as first preset threshold；And/or institute
State cantilever crane control device further include: reminding unit is sent out if being greater than first preset threshold for the present load weight
The prompting of arm support tail end overload out.
In the technical scheme, the compared with the present load weight of cantilever crane is determined according to the load type of arm support tail end
One preset threshold, so as to relatively accurately determine whether cantilever crane overloads.Wherein, load type includes: cantilever crane hoist and arm
Whether frame collision, cantilever crane collision index arm frame collide barrier.
In addition, can be sent out the prompting of arm support tail end overload when present load weight is greater than the first preset threshold, with
User is set to recognize that the case where overload occurs in cantilever crane in time, so that user be allow to take corresponding measure in time
Guarantee being normally carried out for work.And it is because arm support tail end overloads that user, which is recognized that cantilever crane stops rising, is not arm
There is exception in frame.
Another aspect of the present invention proposes a kind of concrete mixer, including arm described in any one of above-mentioned technical proposal
Rack control device, therefore, the concrete mixer have and any one of above-mentioned technical proposal described in cantilever crane control device phase
Same technical effect, details are not described herein.
According to the technical solution of the present invention, avoid cantilever crane continue in the case of an overload rise cause cantilever crane damage, very
It fractures to cantilever crane unstability or situation that vehicle is tumbled, to significantly reduce the generation of safety accident.
Detailed description of the invention
Fig. 1 shows the flow diagram of arm support control method according to an embodiment of the invention；
Fig. 2 shows the flow diagrams of arm support control method according to another embodiment of the invention；
Fig. 3 shows the flow diagram of arm support control method according to still another embodiment of the invention；
Fig. 4 shows the structural schematic diagram of cantilever crane control device according to an embodiment of the invention；
Fig. 5 shows the structural schematic diagram of concrete mixer according to an embodiment of the invention；
Fig. 6 shows the structural schematic diagram of cantilever crane control device according to another embodiment of the invention.
Specific embodiment
It is with reference to the accompanying drawing and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the flow diagram of arm support control method according to an embodiment of the invention.
As shown in Figure 1, arm support control method according to an embodiment of the invention, comprising:
Step 102, the present load weight of arm support tail end is detected.
Step 104, the present load weight is compared with the first preset threshold.
Preferably, before step 104, further includes: obtain the load type of the arm support tail end；It obtains and the load class
The corresponding numerical value of type is as first preset threshold.
The first preset threshold compared with the present load weight of cantilever crane is determined according to the load type of arm support tail end, thus
Relatively accurately it can determine whether cantilever crane overloads.Wherein, load type includes: cantilever crane hoist and cantilever crane collision, cantilever crane collision
Whether index arm frame collides barrier.
Step 106, it if the present load weight is greater than first preset threshold, is sent to cantilever crane and controls the arm
Frame end stops the control signal risen.
Preferably, it sends before controlling the step of cantilever crane stops the control signal risen, judges current negative to cantilever crane
Whether loading capacity is greater than the duration of the first preset threshold more than the first preset time, controls if so, executing and sending to cantilever crane
Cantilever crane processed stops the step of control signal risen.
Preferably, further includes: if the present load weight is greater than first preset threshold, it is super to issue arm support tail end
The prompting of load.
When present load weight is greater than the first preset threshold, the prompting of arm support tail end overload can be sent out, to use
Family can recognize that in time the case where overload occurs in cantilever crane, to allow user that corresponding measure to be taken to guarantee in time
Work is normally carried out.And it is because arm support tail end overloads that user, which is recognized that cantilever crane stops rising, is not that cantilever crane goes out
Exception is showed.
Preferably, after step 106, arm support control method includes: on judging whether the arm support tail end actually stops
Rise movement；If the arm support tail end does not stop vertical motion actually, mitigate the present load weight.
Preferably, after the step of mitigating the present load weight, further includes: after the mitigation for judging the arm support tail end
Present load weight whether less than the second preset threshold；If it is default that the present load weight after the mitigation is less than described second
Threshold value then sends the control signal for controlling the arm support tail end and rising to the cantilever crane；If the present load weight after the mitigation
Amount is greater than or equal to second preset threshold, then sends to the cantilever crane and control the control letter that the arm support tail end stopping rises
Number.
If present load weight of the cantilever crane after mitigation sends control cantilever crane to cantilever crane and rises less than the second preset threshold
Control signal otherwise, illustrate the present load weight of the cantilever crane after mitigating still mistake to guarantee the normal work of cantilever crane
Weight then continues to send the control signal that control cantilever crane stops rising to cantilever crane, to ensure that safety.
In the technical scheme, after sending the control signal for stopping vertical motion to cantilever crane, due to the inertia of cantilever crane,
In the case where the present load preponderance of cantilever crane, cantilever crane does not stop vertical motion actually, therefore, by mitigating cantilever crane
Present load weight to avoid the present load preponderance of cantilever crane, and then avoids the present load weight mistake due to cantilever crane
Lead to cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled again, to significantly reduce the hair of safety accident
It is raw.
Preferably, in the second preset time after sending control arm support tail end to cantilever crane and stopping the control signal risen,
For example, judging whether cantilever crane actually stops vertical motion when sending 3 seconds after control signal to cantilever crane.
In the technical scheme, a weighing sensor is set between the elbow of arm support tail end and hose, which passes
Sensor can detecte the present load weight of arm support tail end, when the present load weight detected is greater than the first preset threshold,
Illustrate that arm support tail end is overweight, then sends control signal to cantilever crane to control cantilever crane and stop rising, avoid cantilever crane in the feelings of overload
Continue to rise under condition and cause cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled, to significantly reduce peace
The generation of full accident.
Fig. 2 shows the flow diagrams of arm support control method according to another embodiment of the invention.
As shown in Fig. 2, arm support control method according to another embodiment of the invention, comprising:
Step 202, signal is acquired.
Step 204, signal processing, to obtain the weight (i.e. the present load weight of arm support tail end) of arm support tail end.
Step 206, judge whether the weight of arm support tail end is greater than the first preset threshold, and (t1 is equivalent to duration t1
The first preset time among the above) more than, when the judgment result is yes, 208 are entered step, otherwise, enters step 210.
Step 208, loudspeaker are alarmed the t2 time, and display screen shows text.
Step 210, cantilever crane carries out vertical motion.
Step 212, cantilever crane vertical motion is limited, i.e., sends control cantilever crane to cantilever crane and stops the control signal risen, with root
Stop rising according to control signal control cantilever crane.
Step 214, judge whether cantilever crane stops rising, when the judgment result is yes, terminate this process, otherwise, enter
Step 216.
Step 216, cantilever crane vertical motion is limited, i.e., sends control cantilever crane to cantilever crane and stops the control signal risen, with root
Stop rising according to control signal control cantilever crane.
Step 218, the weight of arm support tail end is judged less than the second preset threshold, and duration t3 or more is tied in judgement
Fruit is when being, to enter step 210, otherwise enter step 212.
Fig. 3 shows the flow diagram of arm support control method according to still another embodiment of the invention.
As shown in figure 3, arm support control method according to still another embodiment of the invention, comprising:
Step 302, signal is acquired, to determine the present load weight of arm support tail end according to the signal.
Step 304, the load type of cantilever crane is obtained.
Step 306, determine that load type is cantilever crane hoist.
Step 308, when determining load type is cantilever crane hoist, judge whether to meet safety condition, specifically, judgement is worked as
Whether preceding load weight is less than numerical value corresponding with cantilever crane hoist, when the judgment result is yes, enters step 312, otherwise, enters
Step 310.
Step 310, early warning, control, record specifically issue cantilever crane extra-heavy prompting in hoist, send to cantilever crane
It controls cantilever crane and stops the control signal risen, record the present load weight of cantilever crane at this time.
Step 312, cantilever crane operation, i.e. cantilever crane work normally.
Step 314, determine load type for cantilever crane collision.
Step 316, when determining load type is cantilever crane collision, judge whether to meet safety condition, i.e. judgement is current negative
Whether loading capacity, which is less than numerical value corresponding with cantilever crane collision, enters step 320 when the judgment result is yes, otherwise, enters step
318。
Step 318, early warning, control, record specifically issue cantilever crane extra-heavy prompting in collision, send to cantilever crane
It controls cantilever crane and stops the control signal risen, record the present load weight of cantilever crane at this time.
Step 320, cantilever crane operation, i.e. cantilever crane work normally.
Fig. 4 shows the structural schematic diagram of cantilever crane control device according to an embodiment of the invention.
As shown in figure 4, cantilever crane control device 400 according to an embodiment of the invention, comprising: detection unit 402, ratio
Compared with unit 404 and first control unit 406.
Detection unit 402, for detecting the present load weight of arm support tail end；Comparing unit 404, being used for will be described current
Load weight is compared with the first preset threshold；First control unit 406, if being greater than for the present load weight described
First preset threshold then sends the control signal for controlling the arm support tail end and stopping rising to cantilever crane.
In the technical scheme, a weighing sensor is set between the elbow of arm support tail end and hose, which passes
Sensor can detecte the present load weight of arm support tail end, when the present load weight detected is greater than the first preset threshold,
Illustrate that arm support tail end is overweight, then sends control signal to cantilever crane to control cantilever crane and stop rising, avoid cantilever crane in the feelings of overload
Continue to rise under condition and cause cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled, to significantly reduce peace
The generation of full accident.
Preferably, it sends before controlling the step of cantilever crane stops the control signal risen, judges current negative to cantilever crane
Whether loading capacity is greater than the duration of the first preset threshold more than the first preset time, controls if so, executing and sending to cantilever crane
Cantilever crane processed stops the step of control signal risen.
In the above-mentioned technical solutions, it is preferable that further include: the first judging unit 408, for judging that the arm support tail end is real
Whether stop vertical motion on border；Adjustment of load unit 410, if not stopping vertical motion actually for the arm support tail end,
Then mitigate the present load weight.
In the technical scheme, after sending the control signal for stopping vertical motion to cantilever crane, due to the inertia of cantilever crane,
In the case where the present load preponderance of cantilever crane, cantilever crane does not stop vertical motion actually, therefore, by mitigating cantilever crane
Present load weight to avoid the present load preponderance of cantilever crane, and then avoids the present load weight mistake due to cantilever crane
Lead to cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled again, to significantly reduce the hair of safety accident
It is raw.
Preferably, in the second preset time after sending control arm support tail end to cantilever crane and stopping the control signal risen,
For example, judging whether cantilever crane actually stops vertical motion when sending 3 seconds after control signal to cantilever crane.
In any of the above-described technical solution, it is preferable that further include: second judgment unit 412, for judging the cantilever crane end
Whether the present load weight after the mitigation at end is less than the second preset threshold；Second control unit 414, if for after the mitigation
Present load weight be less than second preset threshold, then the control for controlling the arm support tail end and rising is sent to the cantilever crane
Signal；Third control unit 416, if being greater than or equal to the described second default threshold for the present load weight after the mitigation
Value then sends the control signal for controlling the arm support tail end and stopping rising to the cantilever crane.
In the technical scheme, if present load weight of the cantilever crane after mitigation is less than the second preset threshold, to cantilever crane
The control signal that control cantilever crane rises is sent, to guarantee the normal work of cantilever crane, otherwise, illustrates the current of the cantilever crane after mitigating
Load weight is still overweight, then continues to send the control signal that control cantilever crane stops rising to cantilever crane, to ensure that safety.
In any of the above-described technical solution, it is preferable that further include: acquiring unit 418, for obtaining the arm support tail end
Load type；Determination unit 420, for obtaining numerical value corresponding with the load type as first preset threshold；With/
Or, the cantilever crane control device 400 further include: reminding unit 422, if it is pre- to be greater than described first for the present load weight
If threshold value, then the prompting of arm support tail end overload is issued.
In the technical scheme, the compared with the present load weight of cantilever crane is determined according to the load type of arm support tail end
One preset threshold, so as to relatively accurately determine whether cantilever crane overloads.Wherein, load type includes: cantilever crane hoist and arm
Whether frame collision, cantilever crane collision index arm frame collide barrier.
In addition, can be sent out the prompting of arm support tail end overload when present load weight is greater than the first preset threshold, with
User is set to recognize that the case where overload occurs in cantilever crane in time, so that user be allow to take corresponding measure in time
Guarantee being normally carried out for work.And it is because arm support tail end overloads that user, which is recognized that cantilever crane stops rising, is not arm
There is exception in frame.
Fig. 5 shows the structural schematic diagram of concrete mixer according to an embodiment of the invention.
As shown in figure 5, concrete mixer 500 according to an embodiment of the invention, including appoint in above-mentioned technical proposal
Cantilever crane control device 400 described in one, therefore, the concrete mixer 500 has and any one of above-mentioned technical proposal institute
The identical technical effect of cantilever crane control device 400 stated, details are not described herein.Wherein, concrete mixer 500 includes but unlimited
In: crane, digging machine, port machine.
Fig. 6 shows the structural schematic diagram of cantilever crane control device according to another embodiment of the invention.
As shown in fig. 6, cantilever crane control device 600 according to another embodiment of the invention, comprising: weighing sensor
602, preprocessing module 604, processing module 606 and cantilever crane control module 608.Wherein, weighing sensor 602 is for acquiring cantilever crane
The load signal of end；Preprocessing module 604 is for being filtered and converting to load signal, to determine the current of arm support tail end
Load weight；Processing module 606 includes: signal processing module 6062, algorithm processing module 6064 and data management module 6066,
Signal processing module 6062 is used to carry out signal scaling, adjustment to present load weight, specifically, from data management module 6066
The first preset threshold of middle acquisition, present load weight is compared with the first preset threshold, if present load weight is greater than the
One preset threshold, by algorithm processing module 6064 judge present load weight be greater than the first preset threshold duration whether
More than the first preset time (for example, 3 seconds), if so, controlling cantilever crane by cantilever crane control module 608 stops vertical motion.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, according to the technical solution of the present invention, avoids arm
Frame, which continues to rise in the case of an overload, causes cantilever crane damage, the situation that even cantilever crane unstability fractures or vehicle is tumbled, to have
Reduce to effect the generation of safety accident.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of arm support control method characterized by comprising
Detect the present load weight of arm support tail end；
The present load weight is compared with the first preset threshold；
If the present load weight is greater than first preset threshold, sends and controlled in the arm support tail end stopping to cantilever crane
The control signal risen；
It is sent before controlling the step of cantilever crane stops the control signal risen to cantilever crane, judges that present load weight is greater than the
Whether the duration of one preset threshold more than the first preset time, sends in control cantilever crane stopping if so, executing to cantilever crane
The step of control signal risen；
It is sent to the cantilever crane after controlling the step of arm support tail end stops the control signal risen, comprising:
Judge whether the arm support tail end actually stops vertical motion；
If the arm support tail end does not stop vertical motion actually, mitigate the present load weight.
2. arm support control method according to claim 1, which is characterized in that the step of mitigating the present load weight it
Afterwards, comprising:
Whether the present load weight after judging the mitigation of the arm support tail end is less than the second preset threshold；
If the present load weight after the mitigation is less than second preset threshold, is sent to the cantilever crane and control the arm
The control signal that frame end rises；
If the present load weight after the mitigation is greater than or equal to second preset threshold, sends and control to the cantilever crane
The arm support tail end stops the control signal risen.
3. arm support control method according to claim 1 or 2, which is characterized in that by the present load weight with it is described
Before the step of first preset threshold is compared, comprising:
Obtain the load type of the arm support tail end；
Numerical value corresponding with the load type is obtained as first preset threshold.
4. arm support control method according to claim 1 or 2, which is characterized in that further include:
If the present load weight is greater than first preset threshold, the prompting of arm support tail end overload is issued.
5. a kind of cantilever crane control device characterized by comprising
Detection unit, for detecting the present load weight of arm support tail end；
Comparing unit, for the present load weight to be compared with the first preset threshold；
First control unit sends to cantilever crane and controls if being greater than first preset threshold for the present load weight
The arm support tail end stops the control signal risen；
It is sent before controlling the step of cantilever crane stops the control signal risen to cantilever crane, judges that present load weight is greater than the
Whether the duration of one preset threshold more than the first preset time, sends in control cantilever crane stopping if so, executing to cantilever crane
The step of control signal risen；
Further include:
First judging unit, for judging whether the arm support tail end actually stops vertical motion；
Adjustment of load unit mitigates the present load weight if not stopping vertical motion actually for the arm support tail end
Amount.
6. cantilever crane control device according to claim 5, which is characterized in that further include:
Second judgment unit, whether the present load weight after mitigation for judging the arm support tail end is less than the second default threshold
Value；
Second control unit, if being less than second preset threshold, Xiang Suoshu for the present load weight after the mitigation
Cantilever crane, which is sent, controls the control signal that the arm support tail end rises；
Third control unit, if being greater than or equal to second preset threshold for the present load weight after the mitigation,
The control signal for controlling the arm support tail end and stopping rising being sent to the cantilever crane.
7. cantilever crane control device according to claim 5 or 6, which is characterized in that further include:
Acquiring unit, for obtaining the load type of the arm support tail end；
Determination unit, for obtaining numerical value corresponding with the load type as first preset threshold；
And/or
Further include:
Reminding unit issues arm support tail end overload if being greater than first preset threshold for the present load weight
It reminds.
8. a kind of concrete mixer characterized by comprising the cantilever crane as described in any one of claim 5 to 7 controls dress
It sets.
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| CN111754141B (en) * | 2020-08-06 | 2024-03-01 | 湖南库特智能科技有限公司 | Pump truck multi-arm cooperative control method and system |
| CN115259040B (en) * | 2022-08-24 | 2023-12-22 | 湖南星邦智能装备股份有限公司 | Telescopic amplitude control method and system for aerial working platform |
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