CN104973514A - Dismantling prevention method for tower crane operating state management and tracking controller - Google Patents
Dismantling prevention method for tower crane operating state management and tracking controller Download PDFInfo
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- CN104973514A CN104973514A CN201510253065.1A CN201510253065A CN104973514A CN 104973514 A CN104973514 A CN 104973514A CN 201510253065 A CN201510253065 A CN 201510253065A CN 104973514 A CN104973514 A CN 104973514A
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- tower machine
- tower crane
- relay
- lift control
- management
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000002265 prevention Effects 0.000 title abstract 4
- 230000011664 signaling Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 description 16
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
- B66C23/88—Safety gear
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention belongs to the field of tower crane dismantling prevention and provides a dismantling prevention method for a tower crane operating state management and tracking controller in order to solve the problem that in the tower crane leasing process, since a tower crane cannot be controlled by a leaser, the overdue tower crane is still used by a leasee and not returned in time. The dismantling prevention method is realized through internal logic of a tower crane PLC; when the management and tracking controller receives a hoisting control signal Qs sent by a tower crane operating desk, a hoisting control signal pin of a DSP produces a hoisting control pulse signal Qs1, the tower crane controller enables a Qzj2 to be normally open through self-locking, the Qzj2 and the hoisting control pulse signal Qs1 control the on-off state of a Qzj3 in the tower crane PLC simultaneously, and the Qzj3 continues to keep the normally-open state within a predetermined period and then enters a normally-closed state; meanwhile, a Qs is a high level, the Qzj2 is in a normally-open state, and the tower crane PLC goes into a working state. The method is used for preventing the tower crane operating state management and tracking controller from being dismantled.
Description
Technical field
The present invention relates to the management of tower machine running state and the Anti-dismantling method of tracking control unit, belong to tower machine Anti-dismantling technical field.
Background technology
Along with the fast development of industry, tower crane is more extensive in the application of every field.Some industry or short-term unit in charge of construction consider not want to buy tower machine for fund, but wish to select short lease, and Ge Ta machine company opens charter business for this type of user thus.Ubiquity following problem when but tower machine is leased:
1, unknown by the tower machine Location leased, even if construction party exceeds the time limit, not continuing to pay dues constructs still can run as usual, brings economic loss to Ta Ji leasing company:
Agreement between current construction party and lease side is only a contract, and tower machine transports rear where of actually delivering to from leasing company and has no way of finding out about it, whether through subleting of construction party be also unknown; And lease is to after date, if unit in charge of construction does not continue to pay dues, tower machine still can use, and brings economic loss to Ta Ji company.Current processing method Shi Ta machine company can only be sent staff to check to scene and checks and accepts this type of thing just can be avoided to occur, but, do like this and not only lose time and manpower, inefficiency, and cost is very high.
2, have now been developed tower machine tracking control unit, but its function realized and internal logic are comparatively simple, construction party can be dismantled at any time, cannot play strick precaution effect:
Existing tower machine tracking control unit can only utilize the gps system of its inside to realize positioning function; insufficiency face; the relay protective scheme of Anti-dismantling aspect is simple; construction party arbitrarily can remove tower machine tracking control unit; cause it cannot play tracing and monitoring effect; such situation not only wastes the resource of tracking control unit, also can bring beyond thought accident, thus causes unnecessary dispute.
Summary of the invention
The present invention seeks to solve tower crane in lease process, owing to can not be controlled by by lease side, causing exceeds the time limit still is used, the problem of giving back not in time, provides the Anti-dismantling method of the management of a kind of tower machine running state and tracking control unit.
The Anti-dismantling method of tower machine running state management of the present invention and tracking control unit, this Anti-dismantling method is realized by the internal logic of tower machine controller PLC, the lift control signal enabling that this Anti-dismantling method is sent by the described management of reception and tracking control unit;
Management is connected with the lift control signal pins of the DSP of tracking control unit is corresponding with the lift control signaling interface of tower machine controller PLC, after management and tracking control unit receive the lift control signal Qs that tower machine operator's station sends, the lift control signal pins of DSP produces lift control impulse singla Qs1, this lift control impulse singla Qs1 is that high level is effective, after the lift control signaling interface of tower machine controller PLC receives lift control impulse singla Qs1, by self-locking, second of the tower machine controller PLC inside relay Qzj2 that hoists often is opened, second the 3rd on off state hoisting relay Qzj3 hoisting relay Qzj2 and lift control impulse singla Qs1 control tower machine controller PLC inside simultaneously, and the state self-locking that the 3rd hoists relay Qzj3,
Lift control impulse singla Qs1 is that significant condition and second hoists under state that relay Qzj2 often leaves, and normally open that relay Qzj3 continues in scheduled time slot that the 3rd hoists, then enters normally off;
When the 3rd hoists after relay Qzj3 enters normally off, lift control signal Qs is still high level, and second hoists relay Qzj2 when being normally open, and tower machine controller PLC enters mode of operation.
The timing continuing through timer of described scheduled time slot realizes.
Advantage of the present invention: the relay logic of the lift control signal that the present invention is sent by binding operation platform and tower machine controller PLC inside is arranged, make construction party once the running state management of dismounting tower machine and tracking control unit, namely cause tower machine cannot continue to use, avoid the opportunistic behavior of unit in charge of construction.
The present invention does not destroy original physical structure or the electric wiring design of tower crane, and cost is low, does not produce additional costs.
The present invention is skillfully constructed, and Anti-dismantling is effective, has great practical value, has filled up the technological gap in market.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of the Anti-dismantling method of tower machine running state of the present invention management and tracking control unit;
Fig. 2 is the diagram of circuit of the Anti-dismantling method of tower machine running state of the present invention management and tracking control unit.
Detailed description of the invention
Detailed description of the invention one: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, the Anti-dismantling method of the management of tower machine running state and tracking control unit described in present embodiment, this Anti-dismantling method is realized by the internal logic of tower machine controller PLC, the lift control signal enabling that this Anti-dismantling method is sent by the described management of reception and tracking control unit;
Management is connected with the lift control signal pins of the DSP of tracking control unit is corresponding with the lift control signaling interface of tower machine controller PLC, after management and tracking control unit receive the lift control signal Qs that tower machine operator's station sends, the lift control signal pins of DSP produces lift control impulse singla Qs1, this lift control impulse singla Qs1 is that high level is effective, after the lift control signaling interface of tower machine controller PLC receives lift control impulse singla Qs1, by self-locking, second of the tower machine controller PLC inside relay Qzj2 that hoists often is opened, second the 3rd on off state hoisting relay Qzj3 hoisting relay Qzj2 and lift control impulse singla Qs1 control tower machine controller PLC inside simultaneously, and the state self-locking that the 3rd hoists relay Qzj3,
Lift control impulse singla Qs1 is that significant condition and second hoists under state that relay Qzj2 often leaves, and normally open that relay Qzj3 continues in scheduled time slot that the 3rd hoists, then enters normally off;
When the 3rd hoists after relay Qzj3 enters normally off, lift control signal Qs is still high level, and second hoists relay Qzj2 when being normally open, and tower machine controller PLC enters mode of operation.
Tower machine running state management described in present embodiment and the built-in GPS of tracking control unit and GPRS module, can learn the geographic coordinates of outer rent tower machine in real time, thus determine whether unit in charge of construction sublets tower machine; It utilizes GPRS long-rangely can carry out code upgrade for tower machine running state manages with tracking control unit, when continuing to pay dues, the phase arrives, former plug-in will quit work, only have after both sides renew a contract, the long-range write by code in tower owner control chip of Ta Ji company just can work on, and can avoid trade disputes thus; The management of described tower machine running state and the PLC in tracking control unit and tower electrical-mechanical control housing with the use of, in conjunction with the Anti-dismantling method described in present embodiment, can prevent unit in charge of construction from dismantling tracking control unit, once dismounting, tower machine cannot use, and effectively can avoid the opportunistic behavior of unit in charge of construction.
The management of tower machine running state forms primarily of five parts with tracking control unit, is DSP 28335, GPS module, GPRS module, sampling module and communication module respectively.
In Fig. 1, the management of tower machine running state gathers the signal that operator's station exports with tracking control unit, gathers the signal that tower machine controller PLC exports, and gathers, thus realize management and the control of tower machine running state to the signal that frequency converter exports.
Detailed description of the invention two: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, present embodiment is described further embodiment one, and the timing continuing through timer of described scheduled time slot realizes.
The management of tower machine running state illustrates with the Anti-dismantling of tracking control unit:
The common running state of tower machine hoists, luffing and revolution three class, wherein each generic operation has gear to limit, and all progressively rise to higher gear from comparatively low-grade location, therefore after a grade of tower machine operations is locked, tower machine cannot operate, and the present invention is based on this principle design and form.
First in the management of tower machine running state with the DSP of tracking control unit, selects the hoisting of three IO pins and tower machine controller PLC, turn round, the interface of luffing incoming signal is connected respectively, three IO pins of DSP respectively called after hoist 1, turn round 1 and luffing 1.After tower machine operator's station provides the signal that hoists, after the management of tower machine running state detects this signal with tracking control unit, 1 pin that hoists can produce an impulse singla, this impulse singla is lift control impulse singla Qs1, after corresponding PLC pin receives this signal, by self-locking, an inner relay logic is often opened, this relay called after is hoisted 2, this relay hoists and 2 is second and hoists relay Qzj2, this hoist 2 relays and 1 on off state simultaneously controlling another relay that hoists, this relay is called and hoists 3, hoist and 3 be the 3rd and hoist relay Qzj3, hoist 3 state self-lockings.When hoist 1 and hoist 2 simultaneously for opening time, hoisting 3 could for opening, and 1 is an impulse singla owing to hoisting, so hoist 3 only have of short duration opening state, it typically is the state of pass.To sum up, when the tower machine operator's station signal that hoists is high level, hoist 1 for opening, hoist 2 for opening time, tower machine controller PLC plays a lift operations and just can perform.
Anti-dismantling procedure declaration:
After construction party has dismantled the management of tower machine running state and tracking control unit, tower machine controller PLC cannot work, now construction party can adopt three similar control lines to connect PLC, because construction party cannot determine the control logic of PLC inside, cannot realize the job control state of PLC.If construction party applies different magnitudes of voltage by three control lines, be upgraded to example to rise: when correspondence hoist 1 for high level time, if do not adopt impulse singla, can cause hoisting 3 is in the state often held, and makes playing a lift operations and cannot performing of PLC; If hoist 1 for low level time, hoisting 2 will be always closed condition, and a lift operations of PLC cannot be performed; In like manner, luffing and revolution also adopt similar control path to realize controlling, and can ensure that dismantling rear tower machine cannot normally work.
Claims (2)
1. an Anti-dismantling method for the management of tower machine running state and tracking control unit, this Anti-dismantling method is realized by the internal logic of tower machine controller PLC, the lift control signal enabling that this Anti-dismantling method is sent by the described management of reception and tracking control unit; It is characterized in that:
Management is connected with the lift control signal pins of the DSP of tracking control unit is corresponding with the lift control signaling interface of tower machine controller PLC, after management and tracking control unit receive the lift control signal Qs that tower machine operator's station sends, the lift control signal pins of DSP produces lift control impulse singla Qs1, this lift control impulse singla Qs1 is that high level is effective, after the lift control signaling interface of tower machine controller PLC receives lift control impulse singla Qs1, by self-locking, second of the tower machine controller PLC inside relay Qzj2 that hoists often is opened, second the 3rd on off state hoisting relay Qzj3 hoisting relay Qzj2 and lift control impulse singla Qs1 control tower machine controller PLC inside simultaneously, and the state self-locking that the 3rd hoists relay Qzj3,
Lift control impulse singla Qs1 is that significant condition and second hoists under state that relay Qzj2 often leaves, and normally open that relay Qzj3 continues in scheduled time slot that the 3rd hoists, then enters normally off;
When the 3rd hoists after relay Qzj3 enters normally off, lift control signal Qs is still high level, and second hoists relay Qzj2 when being normally open, and tower machine controller PLC enters mode of operation.
2. tower machine running state management according to claim 1 and the Anti-dismantling method of tracking control unit, it is characterized in that, the timing continuing through timer of described scheduled time slot realizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510253065.1A CN104973514A (en) | 2015-05-18 | 2015-05-18 | Dismantling prevention method for tower crane operating state management and tracking controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510253065.1A CN104973514A (en) | 2015-05-18 | 2015-05-18 | Dismantling prevention method for tower crane operating state management and tracking controller |
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| CN104973514A true CN104973514A (en) | 2015-10-14 |
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| CN201510253065.1A Pending CN104973514A (en) | 2015-05-18 | 2015-05-18 | Dismantling prevention method for tower crane operating state management and tracking controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523479A (en) * | 2016-01-12 | 2016-04-27 | 南开大学 | Bridge crane electrical control system based on PLC (Programmable Logic Controller) and variable frequency motor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN87213077U (en) * | 1987-09-07 | 1988-04-06 | 周水泉 | Automobile antitheft alarm with electronic cipher code |
| WO2000050915A2 (en) * | 1999-02-25 | 2000-08-31 | Global Trak, Inc. | Triggerable remote controller |
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2015
- 2015-05-18 CN CN201510253065.1A patent/CN104973514A/en active Pending
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| WO2000050915A2 (en) * | 1999-02-25 | 2000-08-31 | Global Trak, Inc. | Triggerable remote controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523479A (en) * | 2016-01-12 | 2016-04-27 | 南开大学 | Bridge crane electrical control system based on PLC (Programmable Logic Controller) and variable frequency motor |
| CN105523479B (en) * | 2016-01-12 | 2017-07-18 | 南开大学 | Overhead crane electric control system based on PLC and variable-frequency motor |
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Application publication date: 20151014 |