CN110775823A - Cable crane hoisting zero event analysis method and system - Google Patents
Cable crane hoisting zero event analysis method and system Download PDFInfo
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- CN110775823A CN110775823A CN201911141786.8A CN201911141786A CN110775823A CN 110775823 A CN110775823 A CN 110775823A CN 201911141786 A CN201911141786 A CN 201911141786A CN 110775823 A CN110775823 A CN 110775823A
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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
- B66C13/00—Other constructional features or details
- B66C13/16—Applications of indicating, registering, or weighing devices
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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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
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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
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/46—Position indicators for suspended loads or for crane elements
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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
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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
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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
- B66C21/00—Cable cranes, i.e. comprising hoisting devices running on aerial cable-ways
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- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention relates to the technical field of cable cranes, aims to solve the problem that the construction activity record of the existing cable crane is time-consuming and labor-consuming, and provides a cable crane hoisting zero event analysis method which comprises the following steps: during the cable crane construction, acquiring cable crane position information and cable crane hoisting weight information corresponding to each moment, and an intra-dam construction time period and an extra-dam construction time period; acquiring the position range of a cable crane construction bin surface and the gravity range of cable crane hanging concrete; establishing a corresponding relation between time information, cable crane position information, cable crane hoisting weight information and cable crane event types according to the construction time period in the dam, the construction time period outside the dam, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range; and determining the cable crane event type corresponding to the moment according to the corresponding relation, the moment, the cable crane position information and the cable crane hoisting information corresponding to the moment. The invention reduces the workload of constructors and improves the construction efficiency.
Description
Technical Field
The invention relates to the technical field of cable cranes, in particular to a cable crane hoisting zero event analysis method and system.
Background
The cable crane is a crane which utilizes a bearing cable tensioned between a main tower and an auxiliary tower as a running track of a load-carrying trolley. The material conveying device is suitable for the material conveying in construction sites with complex terrains and difficult traffic, such as earthwork in low-lying areas, dams, rivers, valleys and other areas. The construction activities of the cable crane mainly comprise cable crane hoisting zero and cable crane pouring, wherein the cable crane pouring refers to production activities of hoisting concrete by the cable crane in the construction activities, and the cable crane hoisting zero refers to production activities of hoisting materials except the concrete by the cable crane in the construction activities.
In order to facilitate subsequent rationality analysis of construction arrangement, the construction activities of the cable crane generally need to be recorded, in the prior art, the construction activities of the cable crane are generally arranged and recorded by supervision and management, the manual recording mode is time-consuming and labor-consuming, and recording or recording errors are easily forgotten due to negligence.
Disclosure of Invention
The invention aims to solve the problem that the existing cable crane construction activity record is time-consuming and labor-consuming, and provides a cable crane hoisting zero event analysis method and system.
The technical scheme adopted by the invention for solving the technical problems is as follows: the cable crane hoisting zero event analysis method comprises the following steps:
step 1, during cable crane construction, acquiring cable crane position information and cable crane hanging weight information corresponding to each moment, and an intra-dam construction time period and an extra-dam construction time period;
step 2, acquiring the position range of the cable crane construction bin surface and the gravity range of cable crane hanging concrete;
step 3, establishing a corresponding relation between time information, cable crane position information, cable crane hoisting weight information and cable crane event types according to the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range, wherein the cable crane event types at least comprise cable crane dam internal hoisting zero and cable crane dam external hoisting zero;
and 4, determining the cable crane event type corresponding to the moment according to the corresponding relation, the moment, the cable crane position information and the cable crane hoisting information corresponding to the moment.
Further, in step 1, to obtain cable position information, the obtaining of the cable position information corresponding to each time includes:
the cable crane is provided with a position sensor, and the position sensor is used for detecting the corresponding cable crane position information at each moment.
Further, in step 1, to obtain the cable crane hoisting information, the obtaining of the cable crane hoisting information corresponding to each time includes:
and arranging a weight sensor on a cable crane hoisting point, and detecting corresponding cable crane hoisting information at each moment through the weight sensor.
Further, in order to detect the suspended zero in the cable crane dam, in step 4, determining the cable crane event type corresponding to the moment according to the corresponding relationship, the cable crane position information and the cable crane suspended weight information corresponding to the moment comprises:
if the moment belongs to the construction time period in the dam, the cable crane position information corresponding to the moment belongs to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment does not belong to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane in-dam hoisting zero; or
And if the moment does not belong to the construction time period in the dam and the cable crane position information corresponding to the moment belongs to the cable crane construction bin position range, determining that the cable crane event type corresponding to the moment is zero in the cable crane dam.
Further, in order to detect the out-of-dam hanging zero of the cable crane, in step 4, determining the cable crane event type corresponding to the moment according to the corresponding relationship, the moment, the cable crane position information corresponding to the moment and the cable crane hanging weight information further includes:
if the moment belongs to the construction time period outside the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment does not belong to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane extra-dam hoisting zero; or
And if the moment does not belong to the dam external construction time period and the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, determining that the cable crane event type corresponding to the moment is zero hanging outside the dam of the cable crane.
Further, to implement the detection of cable machine pouring, the cable machine event type further includes: and casting in the cable machine dam and casting outside the cable machine dam.
Further, in order to detect the pouring in the cable crane dam, in step 4, determining the cable crane event type corresponding to the moment according to the corresponding relationship, the position information of the cable crane corresponding to the moment and the hoisting weight information of the cable crane, further includes:
and if the moment belongs to the construction time period in the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment belongs to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane dam casting.
Further, in step 4, to detect the pouring outside the dam of the cable crane, determining the cable crane event type corresponding to the moment according to the correspondence, the moment, the cable crane position information corresponding to the moment, and the cable crane hoisting weight information further includes:
and if the moment belongs to the construction time period outside the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment belongs to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane pouring outside the dam.
Further, in order to obtain the time consumption of each link, the method further comprises the following steps:
and recording first time information of the cable crane staying on the material platform, second time information of the cable crane leaving the material platform to reach the material discharging platform and third time information of the cable crane leaving the material discharging platform to reach the material platform according to the cable crane position information.
The invention also provides a cable crane hoisting zero event analysis system, which comprises:
the first acquisition unit is used for acquiring cable crane position information and cable crane hoisting weight information corresponding to each moment, as well as an intra-dam construction time period and an extra-dam construction time period during cable crane construction;
the second acquisition unit is used for acquiring the position range of the cable crane construction bin surface and the gravity range of the cable crane hanging concrete;
the building unit is used for building corresponding relations among time information, cable crane position information, cable crane hoisting weight information and cable crane event types according to the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range, wherein the cable crane event types at least comprise cable crane dam internal hoisting zero and cable crane dam external hoisting zero;
and the determining unit is used for determining the cable crane event type corresponding to the moment according to the corresponding relation, the moment, the cable crane position information and the cable crane hoisting information corresponding to the moment.
The invention has the beneficial effects that: according to the cable crane hoisting zero event analysis method, during cable crane construction, workers can determine the cable crane event type corresponding to the moment only by recording the construction time period in the dam and the construction time period outside the dam of the cable crane, detection of cable crane hoisting zero is achieved, workload of the workers is reduced, construction efficiency is improved, follow-up analysis on construction rationality is facilitated, and data support is provided for improving the cable crane hoisting zero level.
Drawings
Fig. 1 is a schematic flow chart of a method for analyzing a zero event of a cable crane according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a cable crane zero event analysis system according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The invention relates to a cable crane hoisting zero event analysis method, which comprises the following steps: step 1, during cable crane construction, acquiring cable crane position information and cable crane hanging weight information corresponding to each moment, and an intra-dam construction time period and an extra-dam construction time period; step 2, acquiring the position range of the cable crane construction bin surface and the gravity range of cable crane hanging concrete; step 3, establishing a corresponding relation between time information, cable crane position information, cable crane hoisting weight information and cable crane event types according to the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range, wherein the cable crane event types at least comprise cable crane dam internal hoisting zero and cable crane dam external hoisting zero; and 4, determining the cable crane event type corresponding to the moment according to the corresponding relation, the moment, the cable crane position information and the cable crane hoisting information corresponding to the moment.
Firstly, in the construction activity of the cable crane, recording the position information and the hanging weight information of the cable crane in real time through a sensor, manually recording the dam construction time period and the dam construction time period of the cable crane, and acquiring the cable crane construction storehouse face position range and the cable crane hanging concrete gravity range, wherein the dam construction time period represents the time range of the cable crane in the dam, the cable crane construction storehouse face position range represents the dam boundary range, namely the dam position coordinate set, and the cable crane hanging concrete gravity range is used for representing the gravity range of the cable crane in the hanging concrete. When the time information, the cable crane position information and the cable crane hanging weight information are determined, cable crane event types corresponding to the time information, the cable crane position information and the cable crane hanging weight information are determined, when a worker wants to inquire the cable crane event type corresponding to the time, the cable crane position information and the cable crane hanging weight information corresponding to the time are obtained firstly, and the corresponding relation determines the corresponding cable crane event type according to the cable crane position information and the cable crane hanging weight information corresponding to the time and the time.
Examples
The method for analyzing the zero event of the cable crane in the embodiment of the invention, as shown in fig. 1, comprises the following steps:
s1, acquiring cable crane position information and cable crane hoisting weight information corresponding to each moment, and an intra-dam construction time period and an extra-dam construction time period during cable crane construction;
the position information of the cable crane can be obtained in real time or once within preset time, such as once within 1 second.
The cable crane lifting weight information can be obtained in real time or once within preset time, such as once within 1 second.
S2, acquiring the position range of the cable crane construction bin surface and the gravity range of cable crane hanging concrete;
the cable crane construction bin surface position range represents a dam inner boundary range, namely a dam inner position coordinate set, and the cable crane concrete lifting gravity range is used for representing the gravity range of the cable crane in lifting concrete.
S3, establishing a corresponding relation between time information, cable crane position information, cable crane hoisting weight information and cable crane event types according to the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range, wherein the cable crane event types at least comprise cable crane dam internal hoisting zero and cable crane dam external hoisting zero;
specifically, the corresponding relation is a corresponding relation which is established according to the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range and is used for representing a functional relation between time information, cable crane position information, cable crane hoisting information and cable crane event types, namely after the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range are determined, a worker inputs time, the corresponding relation firstly obtains the cable crane position information and the cable crane hoisting information corresponding to the time, and then the cable crane event type corresponding to the time is determined according to the time, the cable crane position information corresponding to the time and the cable crane hoisting information.
And S4, determining the cable crane event type corresponding to the moment according to the corresponding relation, the cable crane position information and the cable crane hoisting information corresponding to the moment and the moment.
When detecting a hanging zero in a dam of the cable crane, determining the cable crane event type corresponding to the moment according to the corresponding relationship, the position information of the cable crane corresponding to the moment and the hanging weight information of the cable crane comprises:
if the moment belongs to the construction time period in the dam, the cable crane position information corresponding to the moment belongs to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment does not belong to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane in-dam hoisting zero; or
And if the moment does not belong to the construction time period in the dam and the cable crane position information corresponding to the moment belongs to the cable crane construction bin position range, determining that the cable crane event type corresponding to the moment is zero in the cable crane dam.
When detecting an extra-dam hanging zero of the cable crane, determining the cable crane event type corresponding to the moment according to the corresponding relationship, the position information of the cable crane corresponding to the moment and the hanging weight information of the cable crane further comprises:
if the moment belongs to the construction time period outside the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment does not belong to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane extra-dam hoisting zero; or
And if the moment does not belong to the dam external construction time period and the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, determining that the cable crane event type corresponding to the moment is zero hanging outside the dam of the cable crane.
Optionally, the cable event type further includes: and casting in the cable machine dam and casting outside the cable machine dam.
When the pouring in the dam of the cable crane is detected, determining the cable crane event type corresponding to the moment according to the corresponding relationship, the cable crane position information and the cable crane hoisting weight information corresponding to the moment and the moment further comprises:
and if the moment belongs to the construction time period in the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment belongs to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane dam casting.
When the pouring outside the cable crane dam is detected, determining the cable crane event type corresponding to the moment according to the corresponding relationship, the cable crane position information and the cable crane hoisting weight information corresponding to the moment and the moment further comprises:
and if the moment belongs to the construction time period outside the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment belongs to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane pouring outside the dam.
Optionally, according to the position information recorded by the position sensor, first time information that the cable machine stays on the material platform, second time information that the cable machine leaves the material platform and reaches the material unloading platform, third time information that the cable machine stays on the material unloading platform, and fourth time information that the cable machine leaves the material unloading platform and reaches the material platform are recorded.
Specifically, after the type of the cable crane event is determined to be the cable crane hoisting zero, the time consumption of each link of the cable crane operation can be analyzed according to the position of the cable crane, namely the hoisting zero efficiency. For the general hoisting process, the time T1 when the position sensor detects that the cable crane reaches the material platform, the time T2 when the position sensor detects that the cable crane leaves the material platform, the time T3 when the position sensor detects that the cable crane reaches the material unloading platform, the time T4 when the position sensor detects that the cable crane leaves the material unloading platform, and the time T5 when the position sensor detects that the cable crane returns to the material platform are recorded, so that the time consumed by each link is as follows:
hang zero charge time and cable machine and stay the first time information of goods and materials platform promptly, do: T2-T1; the second time information of the zero-hoisting transportation time, namely the time when the cable crane leaves the material platform to reach the material unloading platform, is as follows: T3-T2; the third time information of the zero-hoisting unloading time, namely the third time information of the cable crane staying material unloading platform, is as follows: T4-T3; the fourth time information that the cable crane leaves the material unloading platform to reach the material platform is that the hoisting return time is zero: T5-T4; the total time for lifting the parts is as follows: T5-T1.
The time consumption of each link can be analyzed finely by recording the time consumption of each link of the cable crane, the unreasonable links are mainly modified by strengthening construction organization management, and the cable crane lifting efficiency is improved.
Based on the above technical solution, an embodiment of the present invention further provides a cable crane zero event analysis system, as shown in fig. 2, including:
the first acquisition unit is used for acquiring cable crane position information and cable crane hoisting weight information corresponding to each moment, as well as an intra-dam construction time period and an extra-dam construction time period during cable crane construction;
the second acquisition unit is used for acquiring the position range of the cable crane construction bin surface and the gravity range of the cable crane hanging concrete;
the building unit is used for building corresponding relations among time information, cable crane position information, cable crane hoisting weight information and cable crane event types according to the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range, wherein the cable crane event types at least comprise cable crane dam internal hoisting zero and cable crane dam external hoisting zero;
and the determining unit is used for determining the cable crane event type corresponding to the moment according to the corresponding relation, the moment, the cable crane position information and the cable crane hoisting information corresponding to the moment.
The cable crane zero event analysis system is used for realizing the cable crane zero event analysis method, and for the system disclosed by the embodiment, the description is simpler as the method corresponds to the method disclosed by the embodiment, and relevant parts can be referred to the partial description of the method. The cable crane zero event analysis method can reduce the workload of constructors and improve the construction efficiency, so the system for realizing the cable crane zero event analysis method can also reduce the workload of the constructors and improve the construction efficiency.
Claims (10)
1. The cable crane hoisting zero event analysis method is characterized by comprising the following steps of:
step 1, during cable crane construction, acquiring cable crane position information and cable crane hanging weight information corresponding to each moment, and an intra-dam construction time period and an extra-dam construction time period;
step 2, acquiring the position range of the cable crane construction bin surface and the gravity range of cable crane hanging concrete;
step 3, establishing a corresponding relation between time information, cable crane position information, cable crane hoisting weight information and cable crane event types according to the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range, wherein the cable crane event types at least comprise cable crane dam internal hoisting zero and cable crane dam external hoisting zero;
and 4, determining the cable crane event type corresponding to the moment according to the corresponding relation, the moment, the cable crane position information and the cable crane hoisting information corresponding to the moment.
2. The method for analyzing the cable crane lifting zero event according to claim 1, wherein in step 1, the obtaining the cable crane position information corresponding to each time includes:
the cable crane is provided with a position sensor, and the position sensor is used for detecting the corresponding cable crane position information at each moment.
3. The method for analyzing the cable crane lifting zero event according to claim 1, wherein in step 1, the obtaining the cable crane lifting weight information corresponding to each time comprises:
and arranging a weight sensor on a cable crane hoisting point, and detecting corresponding cable crane hoisting information at each moment through the weight sensor.
4. The method for analyzing the cable crane zero event according to claim 1, wherein in step 4, the determining the cable crane event type corresponding to the time according to the correspondence, the cable crane position information and the cable crane hoisting weight information corresponding to the time and the time comprises:
if the moment belongs to the construction time period in the dam, the cable crane position information corresponding to the moment belongs to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment does not belong to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane in-dam hoisting zero; or
And if the moment does not belong to the construction time period in the dam and the cable crane position information corresponding to the moment belongs to the cable crane construction bin position range, determining that the cable crane event type corresponding to the moment is zero in the cable crane dam.
5. The method for analyzing the cable crane zero event according to claim 1, wherein in step 4, the determining the cable crane event type corresponding to the time according to the correspondence relationship, the cable crane position information and the cable crane hoisting weight information corresponding to the time and the time further comprises:
if the moment belongs to the construction time period outside the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment does not belong to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane extra-dam hoisting zero; or
And if the moment does not belong to the dam external construction time period and the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, determining that the cable crane event type corresponding to the moment is zero hanging outside the dam of the cable crane.
6. The method for analyzing a crane jib null event of claim 1 wherein said crane jib event type further comprises: and casting in the cable machine dam and casting outside the cable machine dam.
7. The method for analyzing the cable crane zero event according to claim 6, wherein in step 4, the determining the cable crane event type corresponding to the time according to the correspondence relationship, the cable crane position information and the cable crane hoisting weight information corresponding to the time and the time further comprises:
and if the moment belongs to the construction time period in the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment belongs to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane dam casting.
8. The method for analyzing the cable crane zero event according to claim 6, wherein in step 4, the determining the cable crane event type corresponding to the time according to the correspondence relationship, the cable crane position information and the cable crane hoisting weight information corresponding to the time and the time further comprises:
and if the moment belongs to the construction time period outside the dam, the cable crane position information corresponding to the moment does not belong to the cable crane construction bin position range, and the cable crane hoisting weight information corresponding to the moment belongs to the cable crane hoisting concrete gravity range, determining that the cable crane event type corresponding to the moment is cable crane pouring outside the dam.
9. The method for analyzing the zero event of the cable crane according to claim 1, further comprising:
and recording first time information of the cable crane staying on the material platform, second time information of the cable crane leaving the material platform to reach the material discharging platform and third time information of the cable crane leaving the material discharging platform to reach the material platform according to the cable crane position information.
10. Cable crane hangs zero incident analytic system, its characterized in that includes:
the first acquisition unit is used for acquiring cable crane position information and cable crane hoisting weight information corresponding to each moment, as well as an intra-dam construction time period and an extra-dam construction time period during cable crane construction;
the second acquisition unit is used for acquiring the position range of the cable crane construction bin surface and the gravity range of the cable crane hanging concrete;
the building unit is used for building corresponding relations among time information, cable crane position information, cable crane hoisting weight information and cable crane event types according to the dam construction time period, the cable crane construction bin surface position range and the cable crane hoisting concrete gravity range, wherein the cable crane event types at least comprise cable crane dam internal hoisting zero and cable crane dam external hoisting zero;
and the determining unit is used for determining the cable crane event type corresponding to the moment according to the corresponding relation, the moment, the cable crane position information and the cable crane hoisting information corresponding to the moment.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111332958A (en) * | 2020-03-30 | 2020-06-26 | 杭州国电大力机电工程有限公司 | Descending limiting method for cable crane and cable crane |
| CN116992699A (en) * | 2023-09-27 | 2023-11-03 | 湖北工业大学 | Concrete dam block division strip pouring process diagram simulation method |
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