CN104176643B - A kind of system of selection of hoisting crane major-minor arm operating mode, control setup and hoisting crane - Google Patents
A kind of system of selection of hoisting crane major-minor arm operating mode, control setup and hoisting crane Download PDFInfo
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- CN104176643B CN104176643B CN201410352365.0A CN201410352365A CN104176643B CN 104176643 B CN104176643 B CN 104176643B CN 201410352365 A CN201410352365 A CN 201410352365A CN 104176643 B CN104176643 B CN 104176643B
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- proximity switch
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- hoisting crane
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Abstract
The present invention relates to the technical field of construction machinery and equipment, disclose a kind of system of selection of hoisting crane major-minor arm operating mode, control setup and hoisting crane.This system of selection comprises the following steps: the location information obtaining auxiliary; The mode of operation of auxiliary is judged according to the location information of the auxiliary obtained; When auxiliary is in running order, forbids selecting principal arm operating mode, when auxiliary is not in running order, provide principal arm operating mode and auxiliary operating mode to select to user.In technique scheme, to limit the selection of operating mode as the qualifications that operating mode is selected by obtaining the mode of operation of auxiliary, thus avoid when auxiliary works, falsely drop and select principal arm operating mode and cause the moment in control setup to limit to be greater than the maximum torque of actual auxiliary to limit, thus when load-carrying overloads, control setup can not give the alarm, and causes the situation of safety misadventure, improves hoisting crane safety in use.
Description
Technical field
The present invention relates to the technical field of construction machinery and equipment, refer more particularly to a kind of system of selection of hoisting crane major-minor arm operating mode, control setup and hoisting crane.
Background technology
Existing hoisting crane be all in service instructions requirement operation get on the bus work time the operating mode met must be selected then to arrange according to the real work situation of hoisting crane, simply by virtue of the voluntary observance of operator, cannot prevent because of maloperation or deliberately select to arrange with the actual operating mode be not inconsistent of hoisting crane.As when the operating mode of crane arm is selected, existing crane operating mode can be divided into principal arm operating mode, auxiliary operating mode, arm point pulley operating mode etc. substantially.When principal arm operating mode and auxiliary operating mode are selected, need before work of getting on the bus in control setup, to select operating mode according to actual conditions.But the selection of principal arm operating mode of the prior art and auxiliary operating mode can only be determined by the artificial observation of operator, and when practical operation, often occur due to operator error or lack experience and falsely drop operating mode, especially when auxiliary is in running order, operating mode is selected if falsely dropped, the maxim of the restriction such as moment, load-carrying then can be provided in torque controller according to the selection of operating mode, namely when auxiliary is in running order, the limit value that limiter of moment is given is the limit value of principal arm, now, the limit value given is far longer than the specified maximum load of auxiliary
If operating mode is selected not tally with the actual situation, the potential safety hazard such as may bring overload, tumble.
Summary of the invention
The invention provides a kind of system of selection of hoisting crane major-minor arm operating mode, control setup and hoisting crane, there is major-minor arm operating mode falsely drop the problem of selecting in order to solve in prior art.
The invention provides a kind of system of selection of hoisting crane major-minor arm operating mode, this system of selection comprises the following steps:
Obtain the location information of auxiliary;
The mode of operation of auxiliary is judged according to the location information of the auxiliary obtained;
When described auxiliary is in running order, forbids selecting principal arm operating mode, when described auxiliary is not in running order, provide principal arm operating mode and auxiliary operating mode to select to user.
In technique scheme, the selection of operating mode is determined by the mode of operation of the auxiliary obtained, when described auxiliary is in running order, forbid selecting principal arm operating mode, only allow to select auxiliary operating mode, when described auxiliary is not in running order, provide principal arm operating mode and auxiliary operating mode to select to user, now, not only principal arm operating mode can be selected but also auxiliary operating mode can be selected.To limit the selection of operating mode as the qualifications that operating mode is selected by obtaining the mode of operation of auxiliary, thus avoid when auxiliary works, falsely drop and select principal arm operating mode and cause the moment in control setup to limit to be greater than the maximum torque of actual auxiliary to limit, thus when load-carrying overloads, control setup can not give the alarm, cause the situation of safety misadventure, improve hoisting crane safety in use.
Preferably, the location information of described acquisition auxiliary is specially: obtain auxiliary position by the proximity switch be arranged on principal arm.Thus the working state signal of auxiliary can be obtained accurately.
Preferably, the location information of the described auxiliary according to obtaining judges that the mode of operation of described auxiliary is specially:
When described proximity switch detects auxiliary, described auxiliary is not in running order, and when described proximity switch does not detect auxiliary, described auxiliary is in running order.The mode of operation of auxiliary is judged according to the detection signal obtained.
Preferably, also comprise, when described auxiliary is in running order, artificial selection sends false alarm during principal arm operating mode.Operating personal can be reminded.
Preferably, described alarm is audible alarm and/or light alarm.Operating personal can be reminded by light and/or audible alarm.
Present invention also offers a kind of control setup of hoisting crane major-minor arm, this control setup comprises:
Receiving element, for receiving the location information of auxiliary;
Data processing unit, for judging the mode of operation of auxiliary according to the location information of the auxiliary obtained, when described auxiliary is in running order, forbid selecting principal arm operating mode, when described auxiliary is not in running order, principal arm operating mode and auxiliary operating mode is provided to select to user.
In technique scheme, by the selection adopting control setup to limit operating mode, concrete, the signal of the auxiliary detected is obtained by receiving element, and judged the mode of operation of auxiliary according to the location information of the auxiliary obtained by data processing unit, mode of operation afterwards residing for auxiliary limits the selection of the operating mode of principal arm and auxiliary, thus improves the safety of operating mode when selecting, and then improves the safety in use of whole equipment.
Preferably, also comprise the alarm unit be connected with described data processing unit signal, for when described auxiliary is in running order, artificial selection sends false alarm during principal arm operating mode.Operating personal operation mistake can be reminded.
Preferably, described control setup is limiter of moment.Moment accurately can be provided to limit according to the operating mode situation selected.
Present invention also offers a kind of hoisting crane, this hoisting crane comprises:
The spring pin being fixed on the proximity switch on principal arm and being fixed on auxiliary, wherein, when described auxiliary does not stretch out, distance between described spring pin and described proximity switch is less than the distance of reaction of described proximity switch, when described auxiliary stretches out, the distance between described spring pin and described proximity switch is greater than the detecting distance of described proximity switch.
Control setup, described control setup is the control setup described in above-mentioned any one, be connected with described proximity switch signal, and when not receiving the signal that described proximity switch detects, forbid selecting principal arm operating mode, when receiving the signal that described proximity switch detects, principal arm operating mode and auxiliary operating mode is provided to select to user.
In technique scheme, the mode of operation of the auxiliary obtained by control setup determines the selection of operating mode, when described auxiliary is in running order, control setup is forbidden selecting principal arm operating mode, only allow to select auxiliary operating mode, when described auxiliary is not in running order, control setup provides principal arm operating mode and auxiliary operating mode to select to user.Now, not only principal arm operating mode can be selected but also auxiliary operating mode can be selected.To limit the selection of operating mode as the qualifications that operating mode is selected by obtaining the mode of operation of auxiliary, thus avoid when auxiliary works, falsely drop and select principal arm operating mode and cause the moment in control setup to limit to be greater than the maximum torque of actual auxiliary to limit, thus when load-carrying overloads, control setup can not give the alarm, cause the situation of safety misadventure, improve hoisting crane safety in use.
Preferably, described principal arm is fixed with adapter plate, described adapter plate is provided with knock hole, wherein, described proximity switch and described spring pin are separately positioned on the both sides of described adapter plate, and when described auxiliary does not stretch out, the end of described spring pin is located in described knock hole.Limit spring pin by adapter plate, thus make proximity switch can obtaining information accurately.
Accompanying drawing explanation
The diagram of circuit of the control method that Fig. 1 provides for the embodiment of the present invention;
The structured flowchart of the control setup that Fig. 2 provides for the embodiment of the present invention;
The control flow chart of the control setup that Fig. 3 provides for the embodiment of the present invention;
The structural representation at the principal arm that Fig. 4 provides for the embodiment of the present invention and auxiliary place.
Detailed description of the invention
Below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Embodiments provide a kind of system of selection of hoisting crane major-minor arm operating mode, this system of selection comprises the following steps:
Obtain the location information of auxiliary;
The mode of operation of auxiliary is judged according to the location information of the auxiliary obtained;
When described auxiliary is in running order, forbids selecting principal arm operating mode, when described auxiliary is not in running order, provide principal arm operating mode and auxiliary operating mode to select to user.
In the above-described embodiments, the selection of operating mode is determined by the mode of operation of the auxiliary obtained, when described auxiliary is in running order, forbid selecting principal arm operating mode, only allow to select auxiliary operating mode, when described auxiliary is not in running order, provide principal arm operating mode and auxiliary operating mode to select to user, now, not only principal arm operating mode can be selected but also auxiliary operating mode can be selected.To limit the selection of operating mode as the qualifications that operating mode is selected by obtaining the mode of operation of auxiliary, thus avoid when auxiliary works, falsely drop and select principal arm operating mode and cause the moment in control setup to limit to be greater than the maximum torque of actual auxiliary to limit, thus when load-carrying overloads, control setup can not give the alarm, cause the situation of safety misadventure, improve hoisting crane safety in use.
The location information of acquisition auxiliary is wherein specially: obtain auxiliary position by the proximity switch be arranged on principal arm.Concrete, proximity switch is arranged on principal arm, and proximity switch can detect auxiliary when auxiliary does not stretch out, after auxiliary stretches out, the distance between proximity switch and auxiliary is greater than the detection range of proximity switch, now, proximity switch can't detect auxiliary, judges signal in this, as one.In said method, location information according to the auxiliary obtained judges that the mode of operation of auxiliary is specially: when described proximity switch detects auxiliary, described auxiliary is not in running order, and when described proximity switch does not detect auxiliary, described auxiliary is in running order.By whether detecting that the mode of operation of auxiliary judges the service condition of auxiliary, the service condition of auxiliary can be obtained accurately, thus select to provide signal accurately for control setup limits operating mode.
Except above-mentioned restriction, the method also comprises, and when described auxiliary is in running order, when artificially selecting principal arm operating mode on control setup, described control setup gives the alarm.Alarm is wherein audible alarm and/or light alarm.By arranging warning reminding operating personal, this is operating as the operation forbidden, increases the awareness of safety of operating personal.
Conveniently to the understanding of the system of selection of the hoisting crane major-minor arm operating mode that the embodiment of the present invention provides, below in conjunction with accompanying drawing 1, method provided by the invention is described in detail.
The location information of step 001, acquisition auxiliary;
Concrete, the position of auxiliary is detected by the proximity switch be arranged on principal arm, when auxiliary does not stretch out, distance between auxiliary and proximity switch is less than the detecting distance of proximity switch, proximity switch can detect auxiliary, when auxiliary stretches out, the distance between auxiliary and proximity switch is greater than the detecting distance of proximity switch, and proximity switch can't detect auxiliary.
Step 002, judge the mode of operation of auxiliary according to the location information of auxiliary obtained;
Concrete, when described proximity switch detects auxiliary, described auxiliary is not in running order, and when described proximity switch does not detect auxiliary, described auxiliary is in running order.
Step 003, limit the selection of operating mode according to the mode of operation of auxiliary;
Concrete, when described auxiliary is in running order, forbids selecting principal arm operating mode, when described auxiliary is not in running order, provide principal arm operating mode and auxiliary operating mode to select to user.
Can be found out by said method, the mode of operation of principal arm and auxiliary is determined by the mode of operation detecting auxiliary, and the selection of operating mode is limited according to the mode of operation of the auxiliary obtained, thus avoid auxiliary operationally, falsely drop the generation of the situation for principal arm operating mode, improve hoisting crane safety in use.
As shown in Figure 2, the embodiment of the present invention additionally provides a kind of control setup of hoisting crane major-minor arm, and this control setup comprises:
Receiving element, for receiving the location information of auxiliary;
Data processing unit, for judging the mode of operation of auxiliary according to the location information of the auxiliary obtained, when described auxiliary is in running order, forbid selecting principal arm operating mode, when described auxiliary is not in running order, principal arm operating mode and auxiliary operating mode is provided to select to user.
In the above-described embodiments, by the selection adopting control setup to limit operating mode, concrete, the signal of the auxiliary detected is obtained by receiving element, and judged the mode of operation of auxiliary according to the location information of the auxiliary obtained by data processing unit, mode of operation afterwards residing for auxiliary limits the selection of the operating mode of principal arm and auxiliary, thus improves the safety of operating mode when selecting, and then improves the safety in use of whole equipment.
In addition, this control setup also comprises the alarm unit be connected with described data processing unit signal, and for when described auxiliary is in running order, artificial selection sends false alarm during principal arm operating mode.By warning device prompting operating personal, this is operating as the operation forbidden, increases the awareness of safety of operating personal.
Preferably, the control setup in above-mentioned is limiter of moment.Limiter of moment passes through pressure, length and angular transducer, and other state monitors, the working status parameter of Real-time Collection hoisting crane, accurately judge whether hoisting crane is within range of safety operation after treatment, and use word on a liquid crystal display, figure, numeral intuitively demonstrates the actual condition parameter of hoisting crane truly: when different operating mode is selected, the security parameter that limiter of moment provides is different, by adopting limiter of moment as control setup, thus make after selection operating mode, limiter of moment can provide correct moment and limit safely, avoid occurring safety misadventure.
When adopting torque controller, its control principle as shown in Figure 3, torque controller decides the operating mode that can select by the signal whether receiving proximity switch, do not receive proximity switch to signal time, forbid selecting principal arm operating mode, when receiving the signal of proximity switch, allow to select principal arm operating mode and auxiliary operating mode.
As shown in Figure 4, the embodiment of the present invention additionally provides a kind of hoisting crane, and this hoisting crane comprises:
The spring pin 31 being fixed on the proximity switch 20 on principal arm 10 and being fixed on auxiliary 30, wherein, when described auxiliary 30 does not stretch out, distance D between described spring pin 31 and described proximity switch 20 is less than the distance of reaction of described proximity switch 20, when described auxiliary 30 stretches out, the distance between described spring pin 31 and described proximity switch 20 is greater than the detecting distance of described proximity switch 20.
Control setup, described control setup is above-mentioned control setup described in any one, be connected with described proximity switch 20 signal, and when not receiving the signal that described proximity switch 20 detects, forbid selecting principal arm 10 operating mode, when receiving the signal that described proximity switch 20 detects, allow to select auxiliary 30 operating mode and principal arm 10 operating mode.
In the above-described embodiments, by the mode of operation adopting proximity switch 20 to detect auxiliary 30, control setup judges the mode of operation of auxiliary 30 according to the signal that proximity switch 20 detects, when not receiving the signal that described proximity switch 20 detects, now, auxiliary 30 stretches out and in running order, control setup is forbidden selecting principal arm 10 operating mode, when receiving the signal that described proximity switch 20 detects, now, auxiliary 30 is not in running order, and control setup allows to select auxiliary 30 operating mode and principal arm 10 operating mode.The mode of operation of the auxiliary 30 obtained by control setup determines the selection of operating mode, when described auxiliary 30 is in running order, control setup is forbidden selecting principal arm 10 operating mode, only allow to select auxiliary 30 operating mode, when described auxiliary 30 is not in running order, control setup allows to select auxiliary 30 operating mode and principal arm 10 operating mode.Now, not only principal arm 10 operating mode can be selected but also auxiliary 30 operating mode can be selected.To limit the selection of operating mode as the qualifications that operating mode is selected by obtaining the mode of operation of auxiliary 30, thus avoid when auxiliary 30 works, falsely drop and select principal arm 10 operating mode and cause the moment in control setup to limit to be greater than the maximum torque of actual auxiliary 30 to limit, thus when load-carrying overloads, control setup can not give the alarm, cause the situation of safety misadventure, improve hoisting crane safety in use.
Preferably, described principal arm 10 is fixed with adapter plate 11, described adapter plate 11 is provided with knock hole 111, wherein, described proximity switch 20 and described spring pin 31 are separately positioned on the both sides of described adapter plate 11, and when described auxiliary 30 does not stretch out, the end of described spring pin 31 is located in described knock hole 111.When auxiliary 30 does not stretch out, the spring pin 31 that auxiliary 30 connects is positioned at the knock hole 111 of adapter plate 11, proximity switch 20 can detect this spring pin 31, when auxiliary 30 stretches out, drive spring pin 31 to move, spring pin 31 stretches out in knock hole 111, now, proximity switch 20 can't detect spring pin 31, and namely proximity switch 20 does not have signal to be passed in control setup, thus the control signal that control setup can be transmitted according to proximity switch 20 judges the mode of operation of auxiliary 30.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. a system of selection for hoisting crane major-minor arm operating mode, is characterized in that, comprise the following steps:
Obtain the location information of auxiliary;
The mode of operation of auxiliary is judged according to the location information of the auxiliary obtained;
When described auxiliary is in running order, forbids selecting principal arm operating mode, when described auxiliary is not in running order, provide principal arm operating mode and auxiliary operating mode to select to user.
2. the system of selection of hoisting crane major-minor arm operating mode as claimed in claim 1, it is characterized in that, the location information of described acquisition auxiliary is specially:
The position of auxiliary is obtained by the proximity switch be arranged on principal arm.
3. the system of selection of hoisting crane major-minor arm operating mode as claimed in claim 2, is characterized in that, the location information of the described auxiliary according to obtaining judges that the mode of operation of described auxiliary is specially:
When described proximity switch detects auxiliary, described auxiliary is not in running order, and when described proximity switch does not detect auxiliary, described auxiliary is in running order.
4. the system of selection of the hoisting crane major-minor arm operating mode as described in any one of claims 1 to 3, is characterized in that, also comprise, and when described auxiliary is in running order, artificial selection sends false alarm during principal arm operating mode.
5. the system of selection of hoisting crane major-minor arm operating mode as claimed in claim 4, it is characterized in that, described alarm is audible alarm and/or light alarm.
6. a control setup for hoisting crane major-minor arm, is characterized in that, comprising:
Receiving element, for receiving the location information of auxiliary;
Data processing unit, for judging the mode of operation of auxiliary according to the location information of the auxiliary obtained, when described auxiliary is in running order, forbid selecting principal arm operating mode, when described auxiliary is not in running order, principal arm operating mode and auxiliary operating mode is provided to select to user.
7. control setup as claimed in claim 6, is characterized in that, also comprise the alarm unit be connected with described data processing unit signal, and for when described auxiliary is in running order, artificial selection sends false alarm during principal arm operating mode.
8. control setup as claimed in claims 6 or 7, it is characterized in that, described control setup is limiter of moment.
9. a hoisting crane, is characterized in that, comprising:
The spring pin being fixed on the proximity switch on principal arm and being fixed on auxiliary, wherein, when described auxiliary does not stretch out, distance between described spring pin and described proximity switch is less than the distance of reaction of described proximity switch, when described auxiliary stretches out, the distance between described spring pin and described proximity switch is greater than the detecting distance of described proximity switch;
Control setup, described control setup is the control setup as described in any one of claim 6 ~ 8, be connected with described proximity switch signal, and when not receiving the signal that described proximity switch detects, forbid selecting principal arm operating mode, when receiving the signal that described proximity switch detects, principal arm operating mode and auxiliary operating mode is provided to select to user.
10. hoisting crane as claimed in claim 9, it is characterized in that, described principal arm is fixed with adapter plate, described adapter plate is provided with knock hole, wherein, described proximity switch and described spring pin are separately positioned on the both sides of described adapter plate, and when described auxiliary does not stretch out, the end of described spring pin is located in described knock hole.
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| CN201410352365.0A CN104176643B (en) | 2014-07-23 | 2014-07-23 | A kind of system of selection of hoisting crane major-minor arm operating mode, control setup and hoisting crane |
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| CN201410352365.0A CN104176643B (en) | 2014-07-23 | 2014-07-23 | A kind of system of selection of hoisting crane major-minor arm operating mode, control setup and hoisting crane |
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| CN104176643B true CN104176643B (en) | 2016-01-27 |
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| CN105110186B (en) * | 2015-07-28 | 2017-03-29 | 三一汽车起重机械有限公司 | Crane and its major-minor hook work compound protection system and method |
| CN105129639B (en) * | 2015-09-10 | 2017-01-11 | 三一汽车起重机械有限公司 | Crane, torque limiter as well as torque correction method and system |
| CN107720558B (en) * | 2017-10-13 | 2019-08-16 | 徐州重型机械有限公司 | Crane and its working condition determining method and device |
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| CN102583171A (en) * | 2012-03-30 | 2012-07-18 | 徐工集团工程机械股份有限公司 | Caterpillar crane with multiple combination modes and combination method thereof |
| CN103010957A (en) * | 2012-12-18 | 2013-04-03 | 三一重工股份有限公司 | Crane working condition inquiring system and method |
| CN103787197A (en) * | 2012-10-31 | 2014-05-14 | 徐工集团工程机械股份有限公司 | Control system for super lifting working condition of crane and crane |
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| JP3439858B2 (en) * | 1994-12-28 | 2003-08-25 | 小松メック株式会社 | Locking device for connecting pin such as auxiliary jib to top boom |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583171A (en) * | 2012-03-30 | 2012-07-18 | 徐工集团工程机械股份有限公司 | Caterpillar crane with multiple combination modes and combination method thereof |
| CN103787197A (en) * | 2012-10-31 | 2014-05-14 | 徐工集团工程机械股份有限公司 | Control system for super lifting working condition of crane and crane |
| CN103010957A (en) * | 2012-12-18 | 2013-04-03 | 三一重工股份有限公司 | Crane working condition inquiring system and method |
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