CN112832782A - Method and system for improving shield tunneling work efficiency - Google Patents
Method and system for improving shield tunneling work efficiency Download PDFInfo
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- CN112832782A CN112832782A CN202110215568.5A CN202110215568A CN112832782A CN 112832782 A CN112832782 A CN 112832782A CN 202110215568 A CN202110215568 A CN 202110215568A CN 112832782 A CN112832782 A CN 112832782A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/003—Arrangement of measuring or indicating devices for use during driving of tunnels, e.g. for guiding machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/06—Making by using a driving shield, i.e. advanced by pushing means bearing against the already placed lining
- E21D9/0621—Shield advancing devices
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
Abstract
The invention discloses a method and a system for improving shield tunneling work efficiency, which comprises the following steps: constructing a process management template according to the construction characteristics of the shield machine, and constructing a process analysis model according to the shield machine signals acquired by the data acquisition device; acquiring the conversion time of the process state and the duration corresponding to the process state, configuring management index reasons by combining the process management template, and comprehensively analyzing the actual shutdown reasons by the mobile terminal according to the management index reasons and the actual construction site; positioning the shutdown reasons of the shield machine in a specific process state according to the actual shutdown reasons to obtain a tunneling work efficiency analysis report; and according to the tunneling work efficiency analysis report, the construction strategy is adjusted, and the process management template is corrected, so that the analysis accuracy and the tunneling work efficiency are improved.
Description
Technical Field
The invention relates to the field of shield construction site production process management and control, in particular to a method and a system for improving shield tunneling work efficiency.
Background
In the field of shield construction, because of the characteristic of circular construction, field process management can be basically carried out in the industry according to a production industry management mode, and shield construction core equipment is a shield machine, so that three large process classifications on the field are divided according to the state of the shield machine: tunneling, assembling and stopping. The single-ring production comprises tunneling, splicing and shutdown to complete a closed loop, wherein the tunneling and splicing time is basically fixed under a certain specific project, the time for shortening the tunneling and splicing time is difficult in general, but the shutdown factors are complicated, such as process pause, system reasons, external reasons and the like, on the management target, in the effective working time of each day, the shutdown time needs to be shortened as much as possible, the production enters an ideal cycle state of tunneling, splicing, tunneling and splicing, and the tunneling site is constructed without shutdown, so that the work efficiency can be improved as long as the shutdown time is shortened as much as possible in the field production process, the shutdown reasons need to be analyzed, and the construction strategy is adjusted to achieve the effect of shortening the shutdown time.
In the traditional method, the time consumed by tunneling, splicing and stopping and the stopping reason corresponding to the stopping are generally recorded by a site shield driver in the construction process, and the corresponding time of each state is judged by direct feedback of the shield machine. And finally, adjusting the construction strategy through process analysis by managers such as a production manager, a project manager and the like to achieve the effect of shortening the shutdown time. In the traditional method, a shield driver hardly has excessive energy to record the corresponding time length of each process in the actual propelling process, even if manually recorded data exists, the timeliness and the accuracy of the data are poor, and the process analysis significance of managers is not large due to the fact that the manual filling of machine halt causes the adulteration of subjective judgment of a large number of people, some managers extract the time length in the corresponding state according to the state fed back by the shield machine calculation method, but because many shield machine suppliers exist at home and abroad, the calculation methods carried by each shield machine are different, the data are almost native PLC data, when the process analysis is carried out, the data are too messy, the learning cost of the managers is high, meanwhile, the state data fed back by the calculation methods have an indispensable precondition, and field operators must strictly use the equipment according to the correct flow when the equipment is operated, for example, after assembly is completed in an assembly mode, a control switch on the equipment needs to be switched back to a tunneling mode in time, but the capabilities of field personnel are uneven, and the strong dependence on human is difficult to implement for many reasons on the field, so that the time duration and accuracy of the obtained process are poor, and resistance is caused to process analysis of managers.
Disclosure of Invention
The invention aims to solve the technical problems that when the traditional method is used for improving the tunneling work efficiency of a shield tunneling machine, the judgment on the shield production process state is inaccurate, the process corresponding duration is deviated, the shutdown event is not fed back timely, the event is not easy to track responsibility persons, and the process analysis is not accurate.
The invention is realized by the following technical scheme:
a shield tunneling work efficiency improving method comprises the following steps:
step S1, constructing a process management template according to the construction characteristics of the shield machine, wherein the process management template comprises process states and theoretical duration corresponding to the process states, and the process states comprise tunneling, splicing and stopping states;
step S2, constructing a process analysis model according to shield machine signals acquired by a data acquisition device, wherein the shield machine signals comprise shield machine working mode signals, tunneling opening signals, cutter head rotating speed signals and oil cylinder jack signals;
step S3, obtaining the conversion time of the process state and the duration corresponding to the process state according to the process analysis model, analyzing the conversion time of the process state and the duration corresponding to the process state, configuring a management index reason by combining the process management template, and sending the management index reason to the mobile terminal;
step S4, receiving the actual stop reason fed back by the mobile terminal, positioning the stop reason of the shield machine in a specific process state according to the actual stop reason, and obtaining a tunneling work efficiency analysis report; the actual shutdown reason is comprehensively obtained by the mobile terminal according to the management index reason and the actual construction site;
and step S5, according to the tunneling work efficiency analysis report, adjusting a construction strategy and correcting the procedure management template.
Further, the construction characteristics include geological conditions, equipment type selection, personnel configuration and surrounding environment.
Further, the shutdown reasons of the shutdown state in the process management template are divided into a system reason, a process pause, an external reason and a mechanical fault according to a set standard time length.
Further, the specific process analysis process of the process analysis model comprises the following steps:
step S31, judging the current actual working mode of the shield machine according to the working mode signal of the shield machine, and locking the current actual working mode, wherein the working mode signal comprises a tunneling mode and an assembling mode;
step S32, when the current actual working mode is locked to be a tunneling mode, judging the current working procedure state of the shield machine according to the tunneling starting signal; when a tunneling starting signal exists, locking the current working procedure state of the shield tunneling machine into a tunneling state, and continuously recording the time of the tunneling state;
when the tunneling starting signal does not exist, judging the current working procedure state of the shield tunneling machine according to the cutter head rotating speed signal;
when a cutter head rotating speed signal exists, locking the current working procedure state of the shield tunneling machine to be a tunneling state, and continuously recording the time of the tunneling state;
when no cutter head rotating speed signal exists, the current working procedure state of the shield machine is locked to be a shutdown state, and the time of the shutdown state is continuously recorded;
step S33, when the current actual working mode is locked to be the splicing mode, judging the current working procedure state of the shield machine according to the oil cylinder jack signals, wherein the oil cylinder jack signals comprise jack oil cylinder speed signals and jack oil cylinder stroke signals;
step S34, judging the current working procedure state of the shield machine according to the jack cylinder speed signal, locking the current working procedure state of the shield machine to be an assembly state when the jack cylinder speed signal exists, and continuously recording the time of the assembly state; and when no jack cylinder speed signal exists, judging the current working procedure state of the shield machine according to the jack cylinder stroke signal.
Further, the specific process of judging the current working procedure state of the shield tunneling machine according to the jack cylinder stroke signal is as follows:
drawing a fitting working curve taking a jack cylinder stroke signal as a vertical coordinate and time as a horizontal coordinate;
drawing an actual working curve by taking the jack cylinder stroke signal as a vertical coordinate and time as a horizontal coordinate according to the fitting working curve;
according to the actual working curve, if the jack cylinder stroke signal is unchanged within a set time, locking the current working procedure state of the shield machine to be a shutdown state, and continuously recording the unchanged duration of the jack cylinder stroke signal as the time of the shutdown state;
if the jack cylinder stroke signal is a change value within a set time, calculating the slope difference value of the fitted working curve and the actual working curve according to the changed jack cylinder stroke signal, judging whether the slope difference value is within a deviation range, if so, locking the current working procedure state of the shield tunneling machine to be an assembly state, and recording the time of the assembly state;
and if the slope difference exceeds the deviation range, locking the current working procedure state of the shield machine into a shutdown state, and recording the time of the shutdown state.
Further, the fitting working curve is divided into three sections of curves:
and (3) shrinkage stage:
wherein x is1Indicating the initial stroke signal, t, of the jack cylinder1The time required for the jack cylinder initial stroke signal to shrink to 0 is shown;
and (3) tunneling:
wherein x is2Is the steady value, t, of the jack cylinder stroke signal2The time required for the jack cylinder stroke signal to reach a stable value from 0;
a stationary phase: x ═ x2The stroke signal of the jack cylinder is a steady value.
Further, drawing an actual working curve on the fitting working curve according to jack cylinder stroke signals collected every second, wherein the specific process is as follows;
calculating the stroke difference of the jack cylinder stroke signals acquired in two adjacent seconds before and after the first time, judging whether the stroke difference is within the configured variation range,
if the stroke difference value is within the variation range, recording the stroke signal of the jack cylinder acquired in the previous second, and abandoning the stroke signal of the jack cylinder acquired in the next second;
and if the stroke difference exceeds the variation range, recording the stroke signal of the jack cylinder acquired one second later.
In the field of shield construction, for a management target, the downtime needs to be shortened as much as possible within the effective working time of each day, so that the construction enters an ideal cycle state, in order to shorten the downtime in the field construction process as much as possible, the traditional method generally adjusts the construction strategy through process analysis by field constructors, however, as the conditions possibly encountered during the field construction are more complicated and the factors of human participation in the process analysis are more, the problems of inaccurate judgment of the shield production process state, deviation of the corresponding process time, untimely shutdown event feedback, difficulty in tracking of responsible persons and inaccurate process analysis of events are caused, and the like, the invention constructs a process management template through field construction characteristics, uses a process analysis model constructed according to shield machine signals collected on the field to obtain the conversion time of the process state and the corresponding process state, the management index reasons configured by the system are obtained by combining the process management templates, the site construction personnel bind the actual shutdown reasons to the central server according to the specific situation of the actual construction site through the management index reasons received on the mobile terminal, the central server positions the shutdown reasons under the specific process state according to the actual shutdown reasons and generates a tunneling work efficiency analysis report, the management personnel can adjust the construction strategy and correct the process management templates according to the tunneling work efficiency analysis report, the analysis accuracy is improved, and the aim of improving the tunneling work efficiency is fulfilled. And the shutdown event is fed back in time according to the mobile terminal, and the construction characteristics of the process management template comprise specific problem responsible persons, so that the responsible persons can be directly positioned, and the personnel can also carry out dynamic adjustment in the use process of the system.
In addition, the invention provides a shield tunneling work efficiency improving system which comprises a data acquisition device, a data analysis module, a mobile terminal, a central server and a process management template module, wherein the data acquisition device is used for acquiring data;
the process management template module is used for constructing a process management template according to the construction characteristics of the shield tunneling machine;
the data acquisition device is used for acquiring shield machine signals, and the shield machine signals comprise shield machine working mode signals, tunneling starting signals, cutter head rotating speed signals and oil cylinder jack signals;
the data analysis module is used for constructing a process analysis model according to the shield machine signal, obtaining the conversion time of the process state and the duration corresponding to the process state, and configuring management index reasons by combining the process management template, the conversion time of the process state and the duration corresponding to the process state;
the mobile terminal is used for carrying out comprehensive analysis by combining an actual construction site according to the management index reasons to obtain the actual shutdown reasons of the shield machine;
the central server comprises a data processing module and an work efficiency management module, wherein the data processing module positions the stop reason of the shield machine in a specific working procedure state according to the actual stop reason of the shield machine to obtain a tunneling work efficiency analysis report;
and the work efficiency management module adjusts a construction strategy according to the tunneling work efficiency analysis report and corrects the procedure management template.
Further, the data acquisition device includes shield constructs quick-witted hydro-cylinder stroke sensor, shield constructs quick-witted cutter head speed sensor and shield and constructs spacing sensor, wherein, shield constructs quick-witted hydro-cylinder stroke sensor and is used for gathering hydro-cylinder jack signal, shield constructs quick-witted cutter head speed sensor and is used for gathering cutter head speed signal, shield constructs spacing sensor and is used for gathering mechanism's mode of operation signal and tunnelling and open the signal, the hydro-cylinder jack signal includes jack cylinder speed signal and jack cylinder stroke signal.
Furthermore, the mobile terminal comprises a mobile phone and/or a PDA terminal, so that the condition of signal interruption caused by network interruption or signal difference is avoided, and both the mobile phone and the PDA terminal can be used for transmitting data and submitting the on-site shutdown reason to the central server.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention relates to a shield tunneling work efficiency improving method and a system, wherein a process management template is constructed by combining site construction characteristics, a process analysis model constructed according to shield machine signals collected on site is used, the stop reasons of a shield tunneling machine are analyzed by combining the process management template, the process analysis model and the concrete conditions of an actual construction site, a tunneling work efficiency analysis report is generated, a manager can accurately judge the shield tunneling production process state and the corresponding duration of the process state according to the tunneling work efficiency analysis report, and adjust a construction strategy to correct the process management template, improve the analysis accuracy and realize the purpose of improving the tunneling work efficiency;
2. according to the method and the system for improving the working efficiency of the shield tunneling, data transmission is carried out between the mobile terminal and the central server, the shutdown event can be fed back in time, the construction characteristics of the process management template comprise specific problem responsible persons, the responsible persons can be directly positioned, and construction persons can also carry out dynamic adjustment in the using process of the system, so that the management is convenient, and the tunneling working efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic process flow diagram according to one embodiment;
FIG. 2 is a fitted working curve plotted according to one embodiment;
FIG. 3 is a schematic diagram of the system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example," or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it is to be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the scope of the present invention.
Example 1
The invention relates to a method for improving shield tunneling work efficiency, which comprises the following steps:
step S1, constructing a process management template according to the construction characteristics of the shield machine, wherein the process management template comprises process states and theoretical duration corresponding to the process states, and the process states comprise tunneling, splicing and stopping states;
during specific implementation, the construction characteristics of the shield tunneling machine are analyzed from multidimensional conditions, such as geological conditions, equipment type selection, personnel configuration, surrounding environment and the like; the shutdown reasons of the shutdown state in the process management template can be divided into four categories, namely system reasons, process pause, external reasons, mechanical faults and the like according to the set standard time length, the shutdown reasons during actual site construction can be more specific, the specific reasons are classified into corresponding shutdown reason categories according to the actual site shutdown reasons, and the standard time length is also used for measuring whether early warning is needed or not.
Step S2, constructing a process analysis model according to shield machine signals acquired by a data acquisition device, wherein the shield machine signals comprise shield machine working mode signals, tunneling opening signals, cutter head rotating speed signals and oil cylinder jack signals;
step S3, obtaining the conversion time of the process state and the duration corresponding to the process state according to the process analysis model, analyzing the conversion time of the process state and the duration corresponding to the process state, configuring a management index reason by combining the process management template, and sending the management index reason to the mobile terminal;
step S4, receiving the actual stop reason fed back by the mobile terminal, positioning the stop reason of the shield machine in a specific process state according to the actual stop reason, and obtaining a tunneling work efficiency analysis report; the actual shutdown reason is obtained by combining the management index reason with the comprehensive analysis of the actual construction site through the mobile terminal;
and step S5, according to the tunneling work efficiency analysis report, adjusting a construction strategy and correcting the procedure management template.
As shown in fig. 1, the process analysis procedure of the process analysis model in step S3 includes:
step S31, judging the current actual working mode of the shield machine according to the working mode signal of the shield machine, and locking the current actual working mode, wherein the working mode signal comprises a tunneling mode and an assembling mode;
step S32, when the current actual working mode is locked to be a tunneling mode, judging the current working procedure state of the shield machine according to the tunneling starting signal; when a tunneling starting signal exists, locking the current working procedure state of the shield tunneling machine into a tunneling state, and continuously recording the time of the tunneling state;
when the tunneling starting signal does not exist, judging the current working procedure state of the shield tunneling machine according to the cutter head rotating speed signal;
when a cutter head rotating speed signal exists, locking the current working procedure state of the shield tunneling machine to be a tunneling state, and continuously recording the time of the tunneling state;
when no cutter head rotating speed signal exists, the current working procedure state of the shield machine is locked to be a shutdown state, and the time of the shutdown state is continuously recorded;
step S33, when the current actual working mode is locked to be the splicing mode, judging the current working procedure state of the shield machine according to the oil cylinder jack signals, wherein the oil cylinder jack signals comprise jack oil cylinder speed signals and jack oil cylinder stroke signals;
step S34, judging the current working procedure state of the shield machine according to the jack cylinder speed signal, locking the current working procedure state of the shield machine to be an assembly state when the jack cylinder speed signal exists, and continuously recording the time of the assembly state; and when no jack cylinder speed signal exists, judging the current working procedure state of the shield machine according to the jack cylinder stroke signal.
In the step S34, the specific process of determining the current working condition of the shield tunneling machine according to the jack cylinder stroke signal is as follows:
drawing a fitting working curve taking a jack cylinder stroke signal as a vertical coordinate and time as a horizontal coordinate;
drawing an actual working curve by taking the jack cylinder stroke signal as a vertical coordinate and time as a horizontal coordinate according to the fitting working curve;
according to the actual working curve, if the jack cylinder stroke signal is unchanged within a set time, locking the current working procedure state of the shield machine to be a shutdown state, and continuously recording the unchanged duration of the jack cylinder stroke signal as the time of the shutdown state;
if the jack cylinder stroke signal is a change value within a set time, calculating the slope difference value of the fitted working curve and the actual working curve according to the changed jack cylinder stroke signal, judging whether the slope difference value is within a deviation range, if so, locking the current working procedure state of the shield tunneling machine to be an assembly state, and recording the time of the assembly state;
and if the slope difference exceeds the deviation range, locking the current working procedure state of the shield machine into a shutdown state, and recording the time of the shutdown state.
As shown in fig. 2, the fitting working curve is divided into three sections:
and (3) shrinkage stage:
wherein x is1Indicating the initial stroke signal, t, of the jack cylinder1The time required for the jack cylinder initial stroke signal to shrink to 0 is shown;
and (3) tunneling:
wherein x is2Is the steady value, t, of the jack cylinder stroke signal2The time required for the jack cylinder stroke signal to reach a stable value from 0;
a stationary phase: x ═ x2The stroke signal of the jack cylinder is a steady value.
On the fitting working curve, drawing an actual working curve according to the jack cylinder stroke signal which is acquired every second actually, wherein the specific process is as follows;
calculating the stroke difference of the jack cylinder stroke signals acquired in two adjacent seconds before and after the first time, judging whether the stroke difference is within the configured variation range,
if the stroke difference value is within the variation range, recording the stroke signal of the jack cylinder acquired in the previous second, and abandoning the stroke signal of the jack cylinder acquired in the next second;
and if the stroke difference exceeds the variation range, recording the stroke signal of the jack cylinder acquired one second later.
When the actual working curve is drawn, for example, if the stroke difference between the collected second-second jack cylinder stroke signal L2 (length) and the collected first-second jack cylinder stroke signal L1 (length) is within the variation range, for example, within 10mm, the stroke difference is regarded as unchanged, L2 is discarded, L1 is directly written into the program for drawing the actual working curve, then the third-second jack cylinder stroke signal L3 (length) is compared with the L1 written into the second, if the stroke difference is out of 10mm, L3 is valid, L3 is directly written into the program, and so on, the points within the variation range are drawn into the actual working curve. According to the drawn actual working curve, in a set time, for example, within 10 minutes, the duration which is not changed on the drawn actual working curve is taken as the duration of the shutdown state, and at this time, the current working procedure state of the shield machine is considered as the shutdown state; and then comparing the changed actual working curve with the slope of the drawn fitting working curve, if the changed actual working curve is within the slope deviation allowable range, outputting the corresponding splicing state duration, and if the slope deviation exceeds the allowable range, outputting the shutdown state duration.
The process analysis model has many factors to be considered, because in an actual construction site, a lot of temporary intermittent stops exist sometimes although a tunneling start signal is not detected, so that the stops cannot be directly considered as a stop, the rotating speed of a cutter head needs to be detected, if the cutter head has the rotating speed, the shield machine is judged to be in a tunneling state, and if the rotating speed of the cutter head is not detected, the shield machine is judged to be in a stop state; similarly, in the assembling mode, although the equipment is switched to the assembling mode, the equipment cannot represent that the field is actually assembled, and a plurality of human factors intervene, so that the process state is inaccurate, therefore, the speed signal and the stroke signal of the jack cylinder need to be detected again, and the speed signal and the stroke signal of the jack cylinder are combined for analysis, if the oil cylinder has a speed signal, the shield machine is judged to be in an assembling state, but the equipment possibly cannot acquire the speed of the oil cylinder jack due to equipment, the speed cannot be used as a unique standard, a stroke signal of the oil cylinder jack needs to be read, the oil cylinder jack continuously contracts to a stable value in the real assembling process, when the stable value is reached, the shield machine is judged to be in the assembled state, and when the stroke is stable, the shield machine is judged to be in the shutdown state.
Example 2
As shown in fig. 3, the present embodiment is different from embodiment 1 in that the present embodiment provides a shield tunneling work efficiency improving system, and the method applied in embodiment 1 includes a data acquisition device, a data analysis module, a mobile terminal, a central server and a process management template module;
the process management template module is used for constructing a process management template according to the construction characteristics of the shield tunneling machine;
the data acquisition device is used for acquiring shield machine signals, and the shield machine signals comprise shield machine working mode signals, tunneling starting signals, cutter head rotating speed signals and oil cylinder jack signals;
the data analysis module is used for constructing a process analysis model according to the shield machine signal, obtaining the conversion time of the process state and the duration corresponding to the process state, and configuring management index reasons by combining the process management template, the conversion time of the process state and the duration corresponding to the process state;
the mobile terminal is used for carrying out comprehensive analysis by combining an actual construction site according to the management index reasons to obtain the actual shutdown reasons of the shield machine;
the central server comprises a data processing module and an work efficiency management module, wherein the data processing module positions the stop reason of the shield machine in a specific working procedure state according to the actual stop reason of the shield machine to obtain a tunneling work efficiency analysis report;
and the work efficiency management module adjusts a construction strategy according to the tunneling work efficiency analysis report and corrects the procedure management template.
Specifically, data acquisition device includes shield structure machine hydro-cylinder stroke sensor, shield structure machine cutter head speed sensor and shield structure limit sensor, wherein, shield structure machine hydro-cylinder stroke sensor is used for gathering hydro-cylinder jack signal, shield structure machine cutter head speed sensor is used for gathering cutter head speed signal, shield structure limit sensor is used for gathering mechanism's mode of operation signal and tunnelling and opens the signal, the hydro-cylinder jack signal includes jack cylinder speed signal and jack cylinder stroke signal.
In one embodiment, the mobile terminal comprises a mobile phone and/or a PDA terminal, so that the situation of signal interruption caused by network interruption or signal difference is avoided, and both the mobile phone and the PDA terminal can be used for transmitting data and submitting the on-site shutdown reason to the central server.
In the field of shield construction, for a management target, the downtime needs to be shortened as much as possible within the effective working time of each day, so that the construction enters an ideal cycle state, in order to shorten the downtime in the field construction process as much as possible, the traditional method generally adjusts the construction strategy through process analysis by field constructors, however, as the conditions possibly encountered during the field construction are more complicated and the factors of human participation in the process analysis are more, the problems of inaccurate judgment of the shield production process state, deviation of the corresponding process time, untimely shutdown event feedback, difficulty in tracking of responsible persons and inaccurate process analysis of events are caused, and the like, the invention constructs a process management template through field construction characteristics, uses a process analysis model constructed according to shield machine signals collected on the field to obtain the conversion time of the process state and the corresponding process state, the management index reasons configured by the system are obtained by combining the process management templates, the site construction personnel bind the actual shutdown reasons to the central server according to the specific situation of the actual construction site through the management index reasons received on the mobile terminal, the central server positions the shutdown reasons under the specific process state according to the actual shutdown reasons and generates a tunneling work efficiency analysis report, the management personnel can adjust the construction strategy and correct the process management templates according to the tunneling work efficiency analysis report, the analysis accuracy is improved, and the aim of improving the tunneling work efficiency is fulfilled. And the shutdown event is fed back in time according to the mobile terminal, and the construction characteristics of the process management template comprise specific problem responsible persons, so that the responsible persons can be directly positioned, and the personnel can also carry out dynamic adjustment in the use process of the system.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A shield tunneling work efficiency improving method is characterized by comprising the following steps:
step S1, constructing a process management template according to the construction characteristics of the shield machine, wherein the process management template comprises process states and theoretical duration corresponding to the process states, and the process states comprise tunneling, splicing and stopping states;
step S2, constructing a process analysis model according to shield machine signals acquired by a data acquisition device, wherein the shield machine signals comprise shield machine working mode signals, tunneling opening signals, cutter head rotating speed signals and oil cylinder jack signals;
step S3, obtaining the conversion time of the process state and the duration corresponding to the process state according to the process analysis model, analyzing the conversion time of the process state and the duration corresponding to the process state, configuring a management index reason by combining the process management template, and sending the management index reason to the mobile terminal;
step S4, receiving an actual stop reason fed back by the mobile terminal, and positioning the stop reason of the shield machine in the specific process state according to the actual stop reason to obtain a tunneling work efficiency analysis report;
and step S5, according to the tunneling work efficiency analysis report, adjusting a construction strategy and correcting the procedure management template.
2. The method of claim 1, wherein the construction features include geological conditions, equipment type selection, personnel configuration and surrounding environment.
3. The shield tunneling ergonomics improvement method according to claim 1, wherein the shutdown reasons of the shutdown state in the process management template are classified into system reasons, process pauses, external reasons and mechanical failures according to a set standard time length.
4. The method for improving shield tunneling efficiency according to claim 1, wherein the specific process analysis of the process analysis model comprises the following steps:
step S31, judging the current actual working mode of the shield machine according to the working mode signal of the shield machine, and locking the current actual working mode, wherein the working mode signal comprises a tunneling mode and an assembling mode;
step S32, when the current actual working mode is locked to be a tunneling mode, judging the current working procedure state of the shield machine according to the tunneling starting signal; when a tunneling starting signal exists, locking the current working procedure state of the shield tunneling machine into a tunneling state, and continuously recording the time of the tunneling state;
when the tunneling starting signal does not exist, judging the current working procedure state of the shield tunneling machine according to the cutter head rotating speed signal;
when a cutter head rotating speed signal exists, locking the current working procedure state of the shield tunneling machine to be a tunneling state, and continuously recording the time of the tunneling state;
when no cutter head rotating speed signal exists, the current working procedure state of the shield machine is locked to be a shutdown state, and the time of the shutdown state is continuously recorded;
step S33, when the current actual working mode is locked to be the splicing mode, judging the current working procedure state of the shield machine according to the oil cylinder jack signals, wherein the oil cylinder jack signals comprise jack oil cylinder speed signals and jack oil cylinder stroke signals;
step S34, judging the current working procedure state of the shield machine according to the jack cylinder speed signal, locking the current working procedure state of the shield machine to be an assembly state when the jack cylinder speed signal exists, and continuously recording the time of the assembly state; and when no jack cylinder speed signal exists, judging the current working procedure state of the shield machine according to the jack cylinder stroke signal.
5. The method for improving shield tunneling work efficiency according to claim 4, wherein the specific process of judging the current working procedure state of the shield tunneling machine according to the jack cylinder stroke signal is as follows:
drawing a fitting working curve taking a jack cylinder stroke signal as a vertical coordinate and time as a horizontal coordinate;
drawing an actual working curve by taking the jack cylinder stroke signal as a vertical coordinate and time as a horizontal coordinate according to the fitting working curve;
according to the actual working curve, if the jack cylinder stroke signal is unchanged within a set time, locking the current working procedure state of the shield machine to be a shutdown state, and continuously recording the unchanged duration of the jack cylinder stroke signal as the time of the shutdown state;
if the jack cylinder stroke signal is a change value within a set time, calculating the slope difference value of the fitted working curve and the actual working curve according to the changed jack cylinder stroke signal, judging whether the slope difference value is within a deviation range, if so, locking the current working procedure state of the shield tunneling machine to be an assembly state, and recording the time of the assembly state;
and if the slope difference exceeds the deviation range, locking the current working procedure state of the shield machine into a shutdown state, and recording the time of the shutdown state.
6. The method for improving shield tunneling work efficiency according to claim 5, characterized in that the fitting work curve is divided into three sections:
and (3) shrinkage stage:
wherein x is1Indicating the initial stroke signal, t, of the jack cylinder1The time required for the jack cylinder initial stroke signal to shrink to 0 is shown;
and (3) tunneling:
wherein x is2Is the steady value, t, of the jack cylinder stroke signal2The time required for the jack cylinder stroke signal to reach a stable value from 0;
a stationary phase: x ═ x2The stroke signal of the jack cylinder is a steady value.
7. The method for improving shield tunneling work efficiency according to claim 5, characterized in that an actual work curve is drawn on the fitting work curve according to jack cylinder stroke signals collected every second, and the specific process is as follows;
calculating the stroke difference of the jack cylinder stroke signals acquired in two adjacent seconds before and after the first time, judging whether the stroke difference is within the configured variation range,
if the stroke difference value is within the variation range, recording the stroke signal of the jack cylinder acquired in the previous second, and abandoning the stroke signal of the jack cylinder acquired in the next second;
and if the stroke difference exceeds the variation range, recording the stroke signal of the jack cylinder acquired one second later.
8. A shield tunneling work efficiency improving system is characterized by comprising a data acquisition device, a data analysis module, a mobile terminal, a central server and a process management template module;
the process management template module is used for constructing a process management template according to the construction characteristics of the shield tunneling machine;
the data acquisition device is used for acquiring shield machine signals, and the shield machine signals comprise shield machine working mode signals, tunneling starting signals, cutter head rotating speed signals and oil cylinder jack signals;
the data analysis module is used for constructing a process analysis model according to the shield machine signal, obtaining the conversion time of the process state and the duration corresponding to the process state, and configuring management index reasons by combining the process management template, the conversion time of the process state and the duration corresponding to the process state;
the mobile terminal is used for carrying out comprehensive analysis by combining an actual construction site according to the management index reasons to obtain the actual shutdown reasons of the shield machine;
the central server comprises a data processing module and an work efficiency management module, wherein the data processing module positions the stop reason of the shield machine in a specific working procedure state according to the actual stop reason of the shield machine to obtain a tunneling work efficiency analysis report;
and the work efficiency management module adjusts a construction strategy according to the tunneling work efficiency analysis report and corrects the procedure management template.
9. The shield tunneling work efficiency improving system according to claim 8, wherein the data acquisition device comprises a shield tunneling machine oil cylinder stroke sensor, a shield tunneling machine cutter head rotation speed sensor and a shield limiting sensor, wherein the shield tunneling machine oil cylinder stroke sensor is used for acquiring oil cylinder jack signals, the shield tunneling machine cutter head rotation speed sensor is used for acquiring cutter head rotation speed signals, the shield tunneling machine limiting sensor is used for acquiring machine work mode signals and tunneling opening signals, and the oil cylinder jack signals comprise jack oil cylinder speed signals and jack oil cylinder stroke signals.
10. The method for improving shield tunneling ergonomics according to claim 8, wherein the mobile terminal comprises a mobile phone and/or a PDA terminal.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898350A (en) * | 2021-09-13 | 2022-01-07 | 中铁工程装备集团有限公司 | Shield machine working mode automatic distinguishing method and shield machine |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257381A (en) * | 1993-03-09 | 1994-09-13 | Shimizu Corp | Synthetic control system for shield work |
| CN101916100A (en) * | 2010-08-17 | 2010-12-15 | 中铁隧道装备制造有限公司 | Shield machine control system |
| CN101963507A (en) * | 2010-08-16 | 2011-02-02 | 上海地铁盾构设备工程有限公司 | Shield segment center detection system and shield posture determination method |
| CN202441383U (en) * | 2011-10-19 | 2012-09-19 | 中铁隧道装备制造有限公司 | Hybird TBM with multiple driving modes and tunnel support modes |
| CN106776679A (en) * | 2016-11-04 | 2017-05-31 | 中交第二航务工程局有限公司工程装备分公司 | Shield machine tunneling construction remote centralized control method |
| CN109213810A (en) * | 2018-09-30 | 2019-01-15 | 盾构及掘进技术国家重点实验室 | A kind of data digging method of shield TBM boring parameter |
| JP2019082003A (en) * | 2017-10-27 | 2019-05-30 | 株式会社大林組 | Direction control system of shield machine |
| CN111444591A (en) * | 2019-12-19 | 2020-07-24 | 西南交通大学 | Method and device for determining tunneling speed of soft soil pressure balance shield tunnel |
| CN111706341A (en) * | 2020-06-30 | 2020-09-25 | 郑州地铁集团有限公司 | Construction method for soil pressure balance shield to penetrate large-diameter sewage main pipe downwards |
-
2021
- 2021-02-26 CN CN202110215568.5A patent/CN112832782B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06257381A (en) * | 1993-03-09 | 1994-09-13 | Shimizu Corp | Synthetic control system for shield work |
| CN101963507A (en) * | 2010-08-16 | 2011-02-02 | 上海地铁盾构设备工程有限公司 | Shield segment center detection system and shield posture determination method |
| CN101916100A (en) * | 2010-08-17 | 2010-12-15 | 中铁隧道装备制造有限公司 | Shield machine control system |
| CN202441383U (en) * | 2011-10-19 | 2012-09-19 | 中铁隧道装备制造有限公司 | Hybird TBM with multiple driving modes and tunnel support modes |
| CN106776679A (en) * | 2016-11-04 | 2017-05-31 | 中交第二航务工程局有限公司工程装备分公司 | Shield machine tunneling construction remote centralized control method |
| JP2019082003A (en) * | 2017-10-27 | 2019-05-30 | 株式会社大林組 | Direction control system of shield machine |
| CN109213810A (en) * | 2018-09-30 | 2019-01-15 | 盾构及掘进技术国家重点实验室 | A kind of data digging method of shield TBM boring parameter |
| CN111444591A (en) * | 2019-12-19 | 2020-07-24 | 西南交通大学 | Method and device for determining tunneling speed of soft soil pressure balance shield tunnel |
| CN111706341A (en) * | 2020-06-30 | 2020-09-25 | 郑州地铁集团有限公司 | Construction method for soil pressure balance shield to penetrate large-diameter sewage main pipe downwards |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113898350A (en) * | 2021-09-13 | 2022-01-07 | 中铁工程装备集团有限公司 | Shield machine working mode automatic distinguishing method and shield machine |
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