CN116228169B - Method for measuring installation progress of nuclear engineering hoisting equipment - Google Patents
Method for measuring installation progress of nuclear engineering hoisting equipment Download PDFInfo
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Abstract
The invention provides a method for measuring the installation progress of nuclear engineering lifting equipment, which comprises the steps of firstly determining the progress point distribution standard of installing target lifting equipment during construction, then dividing the installation stage of the target lifting equipment, determining the progress point release proportion of each installation stage, then obtaining basic information of the target lifting equipment, finally calculating the total progress point of installing the target lifting equipment during construction according to the progress point distribution standard according to the basic information, and releasing corresponding progress point from the total progress point according to the corresponding progress point release proportion when each installation stage is completed. The invention can be used for relieving the problems existing in the existing nuclear engineering hoisting equipment installation progress measurement mode.
Description
Technical Field
The invention relates to the technical field of nuclear energy engineering, in particular to a method for measuring the installation progress of hoisting equipment of nuclear energy engineering.
Background
In the initial stage of the construction of the Chinese nuclear power plant, a French FraATOME/SPIE company 'point system' is introduced to measure the construction progress of the nuclear power engineering and is used until now. The 'point' refers to the workload of production personnel working for one hour under the standard working condition, is a comprehensive progress index used for measuring the construction progress condition in nuclear energy engineering, and is the comprehensive reflection of multiple technical information, including the whole process of completing a single construction activity. The "points" must be formulated under the unified standard operating conditions of each specialty. Aiming at different engineering physical quantities of each specialty, according to the characteristics or parameters of the different engineering physical quantities, the conditions of construction process difficulty, construction environment conditions, advancement of work machines and tools, comprehensive skill level of constructors, construction organization management level, manpower input and the like are comprehensively considered, and the different types of physical engineering quantities are converted into unified and standard progress measurement indexes-points-through a certain calculation rule. And carrying out overall and unified data statistics, analysis and evaluation on each professional construction progress of the engineering project through the 'points'. The original point system mainly comprises the following progress point calculation rules aiming at the installation of nuclear engineering hoisting equipment: for the installation of heavy hoisting equipment, the progress point number of the corresponding heavy hoisting equipment is calculated according to different nuclear reactor types by adopting different calculation rules; for the installation of the lifting equipment with the lifting capacity less than or equal to 40t, calculating corresponding progress points according to the equipment type and the rated lifting capacity, wherein the minimum metering unit for calculating, counting and reporting the progress points is an independent lifting equipment; and releasing progress points according to different stages of installation of the hoisting equipment.
With the update iteration of the nuclear pile and the parallel development of various technical routes, new materials, new equipment and new processes continuously appear in the design, and the continuous improvement of the construction management level of the nuclear energy engineering is realized, so that the objective problems of incomplete, inapplicability, unreasonable and the like existing in the construction progress measurement mode of the original 'point system' are gradually revealed, the construction progress statistical data can not accurately and truly reflect the management elements such as the construction progress, the 'point' efficiency and the like, and the engineering construction management analysis and decision are influenced. The problem of measuring the installation progress of the nuclear power engineering hoisting equipment by using the original point system is specifically embodied in the following aspects:
(1) The heavy hoisting equipment is installed with 'point' calculation classification, 'point' calculation basis, progress stage division and release proportion incompletely. In the calculation of the number of the installation progress points of the heavy hoisting equipment of the original point system, the calculation rules are provided only according to the typical pile type and specific equipment, and the construction difficulty and the construction resource consumption difference caused by different pile types and different equipment factors are not considered, so that the accuracy and the adaptability of the point calculation are affected; in the point calculation of the installation progress of the heavy hoisting equipment of the original point system, the rated lifting capacity of the heavy hoisting equipment and the travel of a crane are not used as point value calculation basis, and the engineering quantity change caused by the rated lifting capacity and the travel change of the crane cannot be reflected; the construction content of welding the stop blocks after the prestress of the ring crane is not considered in the calculation of the number of the installation progress points of the heavy hoisting equipment of the original point system, so that the labor investment of the part cannot be effectively reflected in the calculation of the point, and the effectiveness of construction progress statistics is affected.
(2) The lifting equipment with lifting capacity less than or equal to 40t is installed with 'point' calculation classification, 'point' calculation basis, progress stage division and release proportion incompletely. The construction difficulty and the human input difference caused by the rated lifting factor are not fully considered in the calculation of the installation progress point number of the original point system, so that the adaptability of the point calculation is affected; in the point calculation of the installation progress of the original point system, the length of a crane track is not used as a point calculation basis, and the engineering quantity change caused by the track length change cannot be reflected; the construction content of the electric installation part of the electric crane is not considered in the calculation of the installation progress point of the original point system, so that the labor investment of the part cannot be effectively reflected in the calculation of the point, and the effectiveness of construction progress statistics is affected.
Disclosure of Invention
Accordingly, an objective of the present invention is to provide a method for measuring the installation progress of a hoisting device for nuclear power engineering, so as to alleviate the above problems in the existing measurement method of the installation progress of the hoisting device for nuclear power engineering.
In a first aspect, an embodiment of the present invention provides a method for measuring installation progress of a hoisting device for nuclear engineering, where the method includes: determining a progress point allocation standard for installing target hoisting equipment during construction; the progress point number is used for measuring the workload of installing the lifting equipment during construction, and the target lifting equipment comprises at least one of the following components: a first heavy lifting device of a typical pile type, a second heavy lifting device of an atypical pile type, and a first lifting device having a lifting weight not greater than a preset weight threshold; dividing the installation stage of the target hoisting equipment, and determining the progress point release proportion of each installation stage; basic information of the target hoisting equipment is obtained; and calculating the total progress points for installing the target hoisting equipment during construction according to the basic information and the progress point allocation standard, and releasing corresponding progress points from the total progress points according to the corresponding progress point release proportion when each installation stage is completed.
According to the method for measuring the installation progress of the nuclear engineering lifting equipment, firstly, the progress point distribution standard for installing the target lifting equipment during construction is determined, then the installation stages of the target lifting equipment are divided, the progress point release proportion of each installation stage is determined, then basic information of the target lifting equipment is obtained, finally, the total progress point for installing the target lifting equipment during construction is calculated according to the progress point distribution standard according to the basic information, and corresponding progress points are released from the total progress point according to the corresponding progress point release proportion when each installation stage is completed. By adopting the technology, the accuracy of the installation progress measurement of the nuclear energy engineering hoisting equipment can be improved, so that the problems existing in the installation progress measurement mode of the existing nuclear energy engineering hoisting equipment are relieved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for measuring the installation progress of a nuclear power engineering lifting device according to an embodiment of the present invention;
FIG. 2 is a flow chart for measuring the installation progress of a ring crane of typical pile-type heavy lifting equipment in an embodiment of the invention;
FIG. 3 is a flow chart for measuring the installation progress of a portal crane of typical pile-up type heavy lifting equipment in an embodiment of the invention;
FIG. 4 is a flow chart of a typical pile-up heavy lifting equipment spent fuel crane installation progress measurement in an embodiment of the invention;
FIG. 5 is a flow chart of the measurement of the installation progress of other pile-up type heavy lifting equipment in an embodiment of the invention;
FIG. 6 is a flow chart of the manual crane (including rails) with lifting capacity less than or equal to 40t and the lifting ring installation progress measurement in the embodiment of the invention;
FIG. 7 is a flow chart of the measurement of the installation progress of an electric crane (including a track) with a lifting capacity of less than or equal to 40t in an embodiment of the invention;
fig. 8 is a schematic diagram of a stage division and point release proportion table of installation of a typical nuclear reactor type heavy hoisting device in the prior art;
FIG. 9 is a schematic diagram of a prior art schedule point distribution table for lifting equipment installations having an initial lifting weight of 40t or less;
fig. 10 is a schematic diagram of a schedule point distribution, stage division and point release proportion table of installation of a typical nuclear reactor type heavy hoisting device according to an embodiment of the present invention;
FIG. 11 is a schematic diagram of a progress point distribution table for lifting device installation with a lifting capacity of less than or equal to 40t in an embodiment of the invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the initial stage of the construction of the Chinese nuclear power plant, a French FraATOME/SPIE company 'point system' is introduced to measure the construction progress of the nuclear power engineering and is used until now. The 'point' refers to the workload of production personnel working for one hour under the standard working condition, is a comprehensive progress index used for measuring the construction progress condition in nuclear energy engineering, and is the comprehensive reflection of multiple technical information, including the whole process of completing a single construction activity. The "points" must be formulated under the unified standard operating conditions of each specialty. Aiming at different engineering physical quantities of each specialty, according to the characteristics or parameters of the different engineering physical quantities, the conditions of construction process difficulty, construction environment conditions, advancement of work machines and tools, comprehensive skill level of constructors, construction organization management level, manpower input and the like are comprehensively considered, and the different types of physical engineering quantities are converted into unified and standard progress measurement indexes-points-through a certain calculation rule. And carrying out overall and unified data statistics, analysis and evaluation on each professional construction progress of the engineering project through the 'points'. The original point system mainly comprises the following progress point calculation rules aiming at the installation of nuclear engineering hoisting equipment: for the installation of heavy lifting equipment, the progress point number of the corresponding heavy lifting equipment is calculated according to different nuclear reactor types by adopting different calculation rules (see the table 1); for the installation of the lifting equipment with the lifting capacity less than or equal to 40t, calculating corresponding progress points according to the equipment type and the rated lifting capacity (see FIG. 9), wherein the minimum measurement unit for calculating, counting and reporting the progress points is an independent lifting equipment; the release of progress points is performed at different stages of the installation of the lifting device (see fig. 8 and table 2).
TABLE 1 progress point distribution table for installation of primary typical nuclear reactor type heavy lifting equipment
TABLE 2 phase division and Point Release proportion Table for installation of lifting apparatus with original lifting weight less than or equal to 40t
With the update iteration of the nuclear pile and the parallel development of various technical routes, new materials, new equipment and new processes continuously appear in the design, and the continuous improvement of the construction management level of the nuclear energy engineering is realized, so that the objective problems of incomplete, inapplicability, unreasonable and the like existing in the construction progress measurement mode of the original 'point system' are gradually revealed, the construction progress statistical data can not accurately and truly reflect the management elements such as the construction progress, the 'point' efficiency and the like, and the engineering construction management analysis and decision are influenced. The problem of measuring the installation progress of the nuclear power engineering hoisting equipment by using the original point system is specifically embodied in the following aspects:
(1) The heavy hoisting equipment is installed with 'point' calculation classification, 'point' calculation basis, progress stage division and release proportion incompletely. In the calculation of the number of the installation progress points of the heavy hoisting equipment of the original point system, the calculation rules are provided only according to the typical pile type and specific equipment, and the construction difficulty and the construction resource consumption difference caused by different pile types and different equipment factors are not considered, so that the accuracy and the adaptability of the point calculation are affected; in the point calculation of the installation progress of the heavy hoisting equipment of the original point system, the rated lifting capacity of the heavy hoisting equipment and the travel of a crane are not used as point value calculation basis, and the engineering quantity change caused by the rated lifting capacity and the travel change of the crane cannot be reflected; the construction content of welding the stop blocks after the prestress of the ring crane is not considered in the calculation of the number of the installation progress points of the heavy hoisting equipment of the original point system, so that the labor investment of the part cannot be effectively reflected in the calculation of the point, and the effectiveness of construction progress statistics is affected.
(2) The lifting equipment with lifting capacity less than or equal to 40t is installed with 'point' calculation classification, 'point' calculation basis, progress stage division and release proportion incompletely. The construction difficulty and the human input difference caused by the rated lifting factor are not fully considered in the calculation of the installation progress point number of the original point system, so that the adaptability of the point calculation is affected; in the point calculation of the installation progress of the original point system, the length of a crane track is not used as a point calculation basis, and the engineering quantity change caused by the track length change cannot be reflected; the construction content of the electric installation part of the electric crane is not considered in the calculation of the installation progress point of the original point system, so that the labor investment of the part cannot be effectively reflected in the calculation of the point, and the effectiveness of construction progress statistics is affected.
Based on the above, the method for measuring the installation progress of the nuclear energy engineering hoisting equipment provided by the embodiment of the invention can be used for relieving the problems in the existing installation progress measuring mode of the nuclear energy engineering hoisting equipment.
Referring to a flow chart of a method for measuring installation progress of a nuclear power engineering lifting device shown in fig. 1, the method may include the steps of:
step S102, determining a progress point distribution standard for installing the target hoisting equipment during construction.
Wherein progress points are used to measure the workload size of installing the lifting device during construction, and the target lifting device may include at least one of: a first heavy lifting device of a typical pile type, a second heavy lifting device of an atypical pile type, and a first lifting device having a lifting weight not greater than a preset weight threshold.
Step S104, dividing the installation stages of the target hoisting equipment, and determining the progress point release proportion of each installation stage.
And step S106, acquiring basic information of the target hoisting equipment.
The basic information may include, among others, stack type, equipment type, lifting capacity, travel, track structure, etc., which are not limited.
And S108, calculating the total progress points for installing the target hoisting equipment during construction according to the basic information and the progress point allocation standard, and releasing corresponding progress points from the total progress points according to the corresponding progress point release proportion when each installation stage is completed.
According to the method for measuring the installation progress of the nuclear engineering lifting equipment, firstly, the progress point distribution standard for installing the target lifting equipment during construction is determined, then the installation stages of the target lifting equipment are divided, the progress point release proportion of each installation stage is determined, then basic information of the target lifting equipment is obtained, finally, the total progress point for installing the target lifting equipment during construction is calculated according to the progress point distribution standard according to the basic information, and corresponding progress points are released from the total progress point according to the corresponding progress point release proportion when each installation stage is completed. By adopting the technology, the accuracy of the installation progress measurement of the nuclear energy engineering hoisting equipment can be improved, so that the problems existing in the installation progress measurement mode of the existing nuclear energy engineering hoisting equipment are relieved.
As one possible implementation, the target hoisting apparatus may include a first heavy hoisting apparatus (i.e., a typical pile-type heavy hoisting apparatus); based on this, the above step S102 (i.e., determining a progress point allocation standard for installing the target hoisting apparatus during construction) may include:
(11) The first equipment type of the first heavy lifting equipment is divided.
The first equipment type may include a first ring crane, a first gantry crane, and a first spent fuel crane.
(12) A first progress point allocation standard for installing first heavy lifting equipment of each first equipment type during construction is determined.
The first progress point number distribution standard is used for measuring the installation workload of the single first heavy lifting equipment.
Based on (11) and (12), the installation phase of the first ring crane may include a ring rail installation phase, a ring crane equipment installation phase, a first test phase, a pre-stress post-stop welding phase, and a first quality plan closing phase; the first gantry crane installation phase may include a track phase, a high-span gantry crane installation phase, a low-span gantry crane installation phase, a gantry electric flatbed installation phase, a second test phase, and a second quality plan closing phase; the first spent fuel crane installation stage may include a spent fuel crane installation stage, a third test stage, and a third quality plan shutdown stage.
For the installation of typical pile-up type heavy lifting equipment, three equipment types (namely three EM1 sub-division types of EM1.1 ring crane, EM1.2 gantry crane and EM1.3 spent fuel crane) can be divided according to the description of figure 10, and the installation progress point distribution standard of each equipment type is formulated; the installation stages of each equipment type are divided according to the working content of the installation construction and the progress point release proportion (i.e. point count) of each installation stage is formulated according to the figure 10.
In fig. 10, the installation phase of the EM1.1 ring crane includes a ring rail installation phase (including a ring rail unpacking and inspection phase, a ring rail positioning and installation phase, an adjustment phase), a ring crane equipment installation phase (including a component unpacking and inspection phase, a component pre-assembly phase on the ground, a component hoisting in place phase, a component installation phase, an electrical installation and adjustment phase, a paint make-up and end-of-line phase, a field trolley removal phase), a test phase (including a static load test phase, a dynamic load test phase), a pre-stress post-stop welding phase, and a quality plan closing phase.
In fig. 10, the installation phases of the EM1.1 gantry crane may include a track phase (including a component unpacking and inspection phase, a track installation phase), a high-span gantry crane installation phase (including a ground preparation phase before hoisting, a hoisting and installation phase, an electrical connection and laying phase), a low-span gantry crane installation phase (including a ground preparation phase before hoisting, a hoisting and installation phase, an electrical connection and laying phase, a low-span gantry crane trolley removal phase), a gantry electric flat car installation phase (including a ground preparation phase before hoisting, a hoisting and installation phase, an electrical connection and laying phase), a test phase (including a high-span gantry crane trolley test phase, a low-span gantry crane trolley test phase, a gantry electric flat car test phase), and a quality plan closing phase (including a high-span gantry crane trolley quality plan closing phase, a low-span gantry crane trolley quality plan closing phase, a gantry electric flat car quality plan closing phase).
In fig. 10, the EM1.1 spent fuel crane installation stage may include a spent fuel crane installation stage (including component unpacking and inspection stage, ground preparation before hoisting stage, rail installation stage, hoisting and seating stage, machinery installation and adjustment stage, electrical wiring and laying stage, paint make-up and end-of-line stage), test stage, and quality plan shutdown stage.
As one possible implementation, the target hoisting apparatus may include a second heavy hoisting apparatus (i.e., other pile-type heavy hoisting apparatus); based on this, the above step S102 (i.e., determining a progress point allocation standard for installing the target hoisting apparatus during construction) may include:
(21) And dividing the second equipment type of the second heavy hoisting equipment, and dividing the first weight interval of each second equipment type.
The second equipment type may include a second ring crane, a second gantry crane, and an overhead crane, among others.
By way of example, other pile-up heavy-duty hoisting equipment may be divided into three equipment types, ring-crane, gantry crane and overhead crane.
(22) A second progress point allocation standard for each first heavy lifting device of a second equipment type installed in each first weight section during construction is determined.
The second progress point number distribution standard is used for measuring the installation workload of the single second heavy lifting device.
For the installation of ring cranes of other pile-type heavy lifting equipment, the main hook lifting weight of the ring crane can be divided into four lifting weight ranges (namely four lifting weight ranges of C > 450t, 350t < C.ltoreq.450 t, 250t < C.ltoreq.350 t and C.ltoreq.250 t, wherein C is the main hook lifting weight) according to the table 3, and the installation progress point number distribution standard of each lifting weight range is formulated.
Table 3 shows a schedule point distribution table for ring crane installation of other pile-up type heavy hoisting equipment
For the installation of gantry cranes of other pile-up type heavy lifting equipment, the main hook lifting weight of the gantry crane can be divided into four lifting weight ranges (namely four lifting weight ranges of C > 400t, 350t < C.ltoreq.400 t, 300t < C.ltoreq.350 t and C.ltoreq.300 t, wherein C is the main hook lifting weight) according to the table 4, and an installation progress point number distribution standard of each lifting weight range is formulated.
Table 4 shows a schedule point distribution table for gantry crane installation of other pile-up type heavy hoisting equipment
For installation of the bridge crane, the (22) may further include:
(221) Dividing a travel interval of the bridge crane; the travel intervals may include a first travel interval having a travel greater than a first preset travel threshold and less than a second preset travel threshold, a second travel interval having a travel greater than the second preset travel threshold and less than a third preset travel threshold, and a third travel interval having a travel greater than the third preset travel threshold.
(222) A second progress point allocation standard is determined for each bridge crane during construction for installation in each first weight interval corresponding to each travel interval.
For the installation of bridge cranes of other pile-up heavy lifting equipment, the main hook lifting weight of the bridge crane can be divided into five lifting weight ranges (namely five lifting weight ranges of C > 300t, 200t < C.ltoreq.300 t, 125t < C.ltoreq.200 t, 75t < C.ltoreq.125 t and 40t < C.ltoreq.75 t) according to the table 5, wherein C is the main hook lifting weight), and an initial installation progress point number allocation standard of each lifting weight range is formulated; for a bridge crane with a travel of more than 36 meters and not more than 60 meters, multiplying the initial installation progress point distribution standard by 1.2 to obtain a result as the final installation progress point distribution standard; for a bridge crane with a travel of more than 60 meters and not more than 100 meters, multiplying the initial installation progress point distribution standard by 1.35 to obtain a result as the final installation progress point distribution standard; for bridge cranes with travel greater than 100 meters, the initial installation progress point distribution standard is multiplied by 1.5 to obtain a result which is used as the final installation progress point distribution standard.
Table 5 shows a schedule point distribution table for bridge crane installation of other pile-up type heavy lifting equipment
Based on (21) and (22), the installation phase of the second heavy lifting device may include a component unpacking and inspection phase, a track installation phase, a ground preparation phase of the ground before lifting, a lifting and positioning phase, a mechanical device installation and adjustment phase, an electrical wiring and laying phase, a crane load test phase, a paint make-up and finish phase, and a fourth quality plan closing phase.
For the installation of other pile-up type heavy hoisting equipment, for example, nine installation stages (namely, a component unpacking and inspection stage, a track installation stage, a ground preparation stage of a ground before hoisting, a hoisting and positioning stage, a mechanical equipment installation and adjustment stage, an electric wiring and laying stage, a crane load test stage, a paint repair and ending stage and a quality plan closing stage) can be divided according to the working contents of the installation construction as shown in table 6, and a corresponding progress point release ratio is allocated to each installation stage.
Table 6 shows a stage division and point release ratio table for installation of other pile-type heavy lifting equipment
And after the work site inspection of each installation stage of a certain heavy hoisting device is qualified, the corresponding progress point number can be released, counted and declared according to the completion condition of each installation stage and the progress point number release proportion of the corresponding installation stage.
As one possible implementation, the target lifting device may include a first lifting device having a lifting weight not greater than a preset weight threshold (i.e., a lifting device having a lifting weight not greater than a preset weight threshold); based on this, the above step S102 (i.e., determining a progress point allocation standard for installing the target hoisting apparatus during construction) may include:
(31) Dividing third equipment types of the first hoisting equipment, and dividing a second hoisting capacity interval of each third equipment type; the third equipment type comprises a track, a manual trolley, a manual hoist, a manual bridge crane, an electric trolley, an electric hoist, a cantilever crane, a flat trolley and a hanging ring.
(32) Determining a third progress point allocation standard for each of the second lifting capacity intervals for each of the first lifting equipment of the third equipment type during construction; wherein the third progress point allocation criteria is used to measure the installation workload size of the individual first lifting devices.
As a possible implementation manner, the third device type may further include a hanging ring; based on this, the above step S102 (i.e., determining a progress point allocation standard for installing the target hoisting apparatus during construction) may further include: classifying the hanging ring types of the hanging rings; and determining a third progress point allocation standard for installing the lifting rings of each lifting ring category during construction.
For example, for the installation of hoisting equipment with a lifting capacity of 40t or less, ten equipment types (i.e., rails, hand trucks, hand hoists, hand bridge cranes, electric trolleys, electric hoists, cantilever cranes, flatcars, and slings) can be divided as shown in FIG. 11, the lifting capacity of the rails is divided into three lifting capacity sections (i.e., W < 2t, 2 t. Ltoreq.W < 10t, and W.gtoreq.10 t, where W is the lifting capacity), the lifting capacity of the hand trolleys is divided into three lifting capacity sections (i.e., W < 1t, 1 t. Ltoreq.W < 7.5t, and W.gtoreq.7.5 t), the lifting capacity of the hand hoists is divided into five lifting capacity sections (i.e., W.ltoreq.0.5 t, 0.5 t. Ltoreq.1 t, 1 t. Ltoreq.1 t, 1.5 t. Ltoreq.W < 7.5t, and W.gtoreq.7.5 t), the method comprises the steps of dividing the lifting capacity of a manual bridge crane into three lifting capacity sections (namely W < 2t, 2t is less than or equal to 5t and W is more than or equal to 5 t), dividing the lifting capacity of the electric bridge crane into five lifting capacity sections (namely W is less than or equal to 1.5t, 1.5t is less than or equal to 5t, 5t is less than or equal to 10t, 10t is less than or equal to 20t and W is more than or equal to 20 t), dividing the lifting capacity of an electric trolley and an electric hoist into three lifting capacity sections (namely W is less than or equal to 5t, 5t is less than or equal to 10t and W is more than or equal to 10 t), dividing the lifting capacity of a cantilever crane into three lifting capacity sections (namely W is less than or equal to 0.5t, 0.5t is less than or equal to 3t and W is more than or equal to 3 t), and then making a mounting progress point number distribution standard for each lifting capacity section. For the installation of the lifting rings, five lifting ring categories (namely, a general lifting ring, a single-rail lifting ring, a bracket lifting ring, a cantilever lifting ring and a gantry lifting ring) can be divided according to the description of fig. 11, and the point allocation standard of the installation progress of each lifting ring category is formulated, wherein the general lifting ring is a lifting ring except the single-rail lifting ring, the bracket lifting ring, the cantilever lifting ring and the gantry lifting ring.
For the installation of the track, the above (32) may include:
(321) The number of tracks is defined according to the following formula:
wherein,,l is the length of the track, L is the number of tracks>Is a preset length value.
(322) And determining the single track as a progress point number measuring unit of the track according to the number of the defined tracks.
(323) And determining a third progress point distribution standard for each track installed in each second lifting interval during construction based on the progress point measurement units of the tracks.
Illustratively, continuing with FIG. 11, the following will be describedSet to 12m according to the formula +.>Defining the number of tracks, namely: the length of the track is less than or equal to 12m, and is calculated by 1 track; when the length of the track exceeds 12m, the length part exceeding 12m is calculated by "+0.5" root if the length part exceeding 12m is less than 6m and not less than 12m, the length part exceeding 12m is calculated by "+1" root; and so on. For example, if a certain track has a length of 26m, the number of tracks may be 2.5.
Based on (31) and (32), the installation stages of the track, the hand trolley, the hand hoist, the hand bridge crane, the cantilever crane, the flatbed trolley, and the lifting ring may include a first mechanical part installation stage, a first load test completion and verification stage, and a fifth quality plan shutdown stage; the installation stages of the electric bridge crane, the electric trolley and the electric hoist may include a second mechanical part installation stage, a mating electrical part installation stage, a second load test completion and verification stage and a sixth quality plan closing stage.
For the installation of rails, hand-operated trolleys, hand-operated hoists, hand-operated bridge cranes, cantilever cranes, pallet trucks and slings, three installation stages (i.e., a mechanical part installation stage, a load test completion and verification stage and a quality plan closing stage) can be divided according to the work content of the installation construction as shown in table 7, and a corresponding progress point release ratio is allocated to each installation stage.
Table 7 Manual Crane (including track) with lifting capacity less than or equal to 40t, stage division of lifting ring installation and point release proportion table
For the installation of the electric bridge crane, the electric trolley and the electric hoist, four installation stages (namely, a mechanical part installation stage, a matched electric part installation stage, a load test completion and verification stage and a quality plan closing stage) can be divided according to the working content of the installation construction according to the table 8, and corresponding progress point release proportions are allocated for each installation stage.
TABLE 8 electric Crane (including track) mounting stage division and point release ratio table with lifting capacity less than or equal to 40t
After the working sites of each installation stage of a hoisting device with the lifting capacity less than or equal to 40t are checked to be qualified, corresponding progress point release, statistics and declaration can be carried out according to the completion condition of each installation stage and the progress point release proportion of the corresponding installation stage.
For ease of understanding, the above method of measuring the progress of installation of a nuclear power engineering lifting device is described herein as an example in a particular application.
The construction of the target hoisting equipment is mainly divided into three construction activities, namely typical pile-type heavy hoisting equipment installation, other pile-type heavy hoisting equipment installation and hoisting equipment installation with the hoisting capacity less than or equal to 40t, and the construction progress measurement of a 'point system' of each construction activity is divided into three parts: counting, construction operation and counting release.
Referring to fig. 2, a typical pile-up type ring crane installation progress measurement flow mainly includes:
1.1, calculating the point number. Namely: basic information (including heap type and equipment type) of the ring crane is acquired firstly, and then the total number of installation points (namely the total progress points of ring crane installation) of the ring crane is calculated according to an allocation table (shown in the above figure 10) according to the heap type and the equipment type.
And 1.2, installation construction. Namely: and installing the ring crane.
1.3, releasing the points. Namely: according to fig. 10 described above, corresponding points are released from the total installed points by a corresponding percentage (i.e., a point release ratio) after the corresponding stage is completed.
Referring to fig. 3, a typical pile-up gantry crane installation progress measurement flow mainly includes:
2.1, calculating the point number. Namely: basic information (including pile type and equipment type) of the gantry crane is acquired first, and then the total number of installation points (namely the total progress number of gantry crane installation) of the gantry crane is calculated according to the pile type and the equipment type and an allocation table (shown in the above figure 10).
And 2.2, installation and construction. Namely: and installing the gantry crane.
And 2.3, releasing the points. Namely: according to fig. 10 described above, corresponding points are released from the total installed points by a corresponding percentage (i.e., a point release ratio) after the corresponding stage is completed.
Referring to fig. 4, a typical pile-up spent fuel crane installation progress measurement flow mainly includes:
3.1, calculating the point number. Namely: basic information (including stack type and equipment type) of the spent fuel crane is acquired first, and then the total number of installation points (namely the total progress number of installation of the spent fuel crane) of the spent fuel crane is calculated according to the stack type and the equipment type and the distribution table (shown in the figure 10).
And 3.2, installation and construction. Namely: and installing the spent fuel crane.
3.3, releasing the points. Namely: according to fig. 10 described above, corresponding points are released from the total installed points by a corresponding percentage (i.e., a point release ratio) after the corresponding stage is completed.
Referring to fig. 5, the installation progress measurement process of other pile-up type heavy lifting equipment mainly comprises:
4.1, calculating the point number. Namely: basic information (including pile type, equipment type, rated lifting capacity and travel) of the heavy lifting equipment is acquired first, and then the total number of installation points (i.e. the total progress point of heavy lifting equipment installation) of the heavy lifting equipment is calculated according to a distribution table (such as the above tables 3, 4 and 5) according to the pile type, the equipment type, the rated lifting capacity and the travel.
And 4.2, installation and construction. Namely: and (5) installing heavy hoisting equipment.
4.3, releasing the points. Namely: according to the above table 6, the corresponding points are released from the total installed points by the corresponding percentages (i.e., the point release ratios) after the corresponding stages are completed.
Such as a main hook rated lift 280t and a travel 42 m. The points are shown in Table 5 and Table 6:
total number of installation points: 1 (number) ×3650 (single point value) ×1.2 (coefficient when stroke is greater than 36 meters and not greater than 60 meters) =4380;
the number of points is released after the component unpacking and inspection stage is completed: 4380 (total number of mounts) ×4% =175.2;
the number of points is released after the track installation stage is completed: 4380 (total number of mounts) ×19% = 832.2;
The number of points is released after the ground preparation working stage before hoisting is completed: 4380 (total number of mounts) ×10% =438;
the number of points is released after the hoisting and positioning stage is completed: 4380 (total number of mounts) ×12% =525.6;
the number of points is released after the mechanical equipment installation and adjustment stage is completed: 4380 (total number of mounts) ×25% =1095;
the number of points is released after the electric connection and laying stage are completed: 4380 (total number of mounts) ×7.5% =328.5;
releasing the number of points after the crane load test stage is completed: 4380 (total number of mounts) ×15% =657;
the number of points is released after finishing the paint repair and ending stages: 4380 (total number of mounts) ×2.5% =109.5;
the points are released after the quality plan closing stage is completed: 4380 (total number of mounts) ×5% =219.
Such as a main hook rated lift 450t for other pile-up gantry cranes. The points of the control are shown in Table 4 and Table 6:
total number of installation points: 1 (number) ×4600 (single point value) =4600;
the number of points is released after the component unpacking and inspection stage is completed: 4600 (total number of mounts) ×4% =184;
the number of points is released after the track installation stage is completed: 4600 (total number of mounts) ×19% =874;
the number of the release stage points after the ground preparation before hoisting is finished: 4600 (total number of mounts) ×10% =460;
The number of points is released after the hoisting and positioning stage is completed: 4600 (total number of mounts) ×12% =552;
the number of points is released after the mechanical equipment installation and adjustment stage is completed: 4600 (total number of mounts) ×25% =1150;
the number of points is released after the electric connection and laying stage are completed: 4600 (total number of mounts) ×7.5% = 345;
releasing the number of points after the crane load test stage is completed: 4600 (total number of mounts) ×15+=690;
the number of points is released after finishing the paint repair and ending stages: 4600 (total number of mounts) ×2.5% =115;
the points are released after the quality plan closing stage is completed: 4600 (total number of mounts) ×5% =230.
Such as an additional pile ring crane with a main hook rated lift of 420 t. The points of the control are shown in Table 3 and Table 6:
total number of installation points: 1 (number) ×17500 (single point value) =4600;
the number of points is released after the component unpacking and inspection stage is completed: 17500 (total number of mounts) ×4% =700;
the number of points is released after the track installation stage is completed: 17500 (total number of mounts) ×19% =3325;
the number of points is released after the ground preparation working stage before hoisting is completed: 17500 (total number of mounts) ×10% =1750;
the number of points is released after the hoisting and positioning stage is completed: 17500 (total number of mounts) ×12% =210;
The number of points is released after the mechanical equipment installation and adjustment stage is completed: 17500 (total number of mounts) ×25% =4375;
the number of points is released after the electric connection and laying stage are completed: 17500 (total number of mounts) ×7.5% = 1312.5;
releasing the number of points after the crane load test stage is completed: 17500 (total number of mounts) ×15% =2625;
the number of points is released after finishing the paint repairing and ending stages: 17500 (total number of mounting) ×2.5% =437.5;
the points are released after the quality plan closing stage is completed: 17500 (total number of mounts) ×5% =875.
Referring to fig. 6, the manual crane (including track) with lifting capacity less than or equal to 40t and the lifting ring installation progress measuring flow mainly comprise:
and 5.1, calculating the point number. Namely: basic information (including track structure, track bearing, equipment type, lifting capacity and lifting ring type) of the lifting equipment is firstly obtained, and then total installation points (namely total progress points of lifting equipment installation) of the lifting equipment are calculated according to an allocation table (shown in the above figure 11) according to the track structure, the track bearing, the equipment type, the lifting capacity and the lifting ring type.
And 5.2, installation and construction. Namely: and installing the hoisting equipment.
And 5.3, releasing the points. Namely: according to the above table 7, the corresponding points are released from the total installed points by the corresponding percentages (i.e., the point release ratios) after the corresponding stages are completed.
For example, a manual crane with the lifting capacity of 7.5t is composed of two H-shaped steel rails with the length of 6m, a manual trolley with the length of 7.5t and a manual hoist with the length of 1.5t. Referring to fig. 11 and table 7, the number of points is:
total number of installation points: 1 (number) × [2 (number of tracks) ×210 (single point value of track) +85 (single point value of manual cart) +40 (single point value of manual hoist) ]=545;
the number of points is released after the mechanical part installation stage is completed: 545 (total number of mounts) ×70% =381.5;
the number of points is released after the load test is completed and the verification stage is completed: 545 (total number of mounts) ×25% = 136.25;
the points are released after the quality plan closing stage is completed: 545 (total number of mounts) ×5% =27.25.
For example, a monorail crane lifting ring, with a lifting weight of 1.5t. Referring to fig. 11 and table 7, the number of points is:
total number of installation points: 1 (number) ×40 (single point value) =40;
the number of points is released after the mechanical part installation stage is completed: 40 (total number of mounts) ×70% =28;
the number of points is released after the load test is completed and the verification stage is completed: 40 (total number of mounts) ×25% =10;
the points are released after the quality plan closing stage is completed: 40 (total number of mounts) ×5% =2.
Referring to FIG. 7, the electric hoist installation progress measuring flow with the lifting capacity less than or equal to 40t mainly comprises:
And 6.1, calculating the point number. Namely: basic information (including track structure, track bearing, equipment type, lifting capacity and lifting ring type) of the electric crane is firstly obtained, and then the total number of electric crane installation points (namely the total progress number of electric crane installation) is calculated according to an allocation table (such as the above figure 11) according to the track structure, the track bearing, the equipment type, the lifting capacity and the lifting ring type.
And 6.2, installation and construction. Namely: and installing the electric crane.
And 6.3, releasing the points. Namely: according to table 8 above, corresponding points are released from the total installed points by corresponding percentages (i.e., point release ratios) after the corresponding phases are completed.
For example, an electric crane, with a lifting capacity of 32t, is composed of 4H-shaped steel rails with a length of 6m and an electric bridge crane. Referring to fig. 11 and table 8, the number of points is:
total number of installation points: 1 (number) × [4 (number of rails) ×300 (unit point value of rails) +900 (unit point value of electric bridge crane) ]=2100;
the number of points is released after the mechanical part installation stage is completed: 2100 (total number of mounts) ×65% =1365;
the number of points is released after the complete installation stage of the matched electric part: 2100 (total number of mounts) ×10% =210;
The number of points is released after the load test is completed and the verification stage is completed: 2100 (total number of mounts) ×20% =420;
the points are released after the quality plan closing stage is completed: 2100 (total number of mounts) ×5% =105.
The method for measuring the installation progress of the nuclear energy engineering lifting equipment is characterized in that on the basis of the original 'point system' nuclear energy engineering lifting equipment installation progress measuring mode, the nuclear energy engineering lifting equipment is divided into heavy lifting equipment and lifting equipment with lifting capacity less than or equal to 40t, and the number of the installation edge equipment of all the lifting equipment is used as a point calculation basis; aiming at heavy lifting equipment, the point calculation rule of the typical pile-type heavy lifting equipment and the point calculation rule of other pile-type heavy lifting equipment are divided, the stage division and the point release proportion of the typical pile-type heavy lifting equipment are optimized, and the welding point of the stop block after the prestress of the ring crane of the typical pile-type heavy lifting equipment is increased; the calculation rules of other pile-type heavy lifting equipment are newly added, the other pile-type heavy lifting equipment is divided into three types of ring cranes, gantry cranes and bridge cranes, each type distributes point values according to the rated lifting weight range of a main hook of the crane, and the bridge cranes multiply the point values by a certain coefficient according to the travel range of the crane; the method is characterized in that the number of the tracks is redefined aiming at lifting equipment with the lifting capacity less than or equal to 40t, the number of the installation points of the movable track beam is deleted, the lifting capacity interval division of the electric bridge crane is optimized, the cantilever rotating crane is changed into the cantilever crane, the lifting capacity interval division of the cantilever crane is optimized, corresponding point calculation rules are respectively formulated aiming at each equipment type and lifting capacity of the lifting equipment, and the stage division and the point release proportion of the lifting equipment are optimized. The method for measuring the installation progress of the nuclear engineering hoisting equipment has the remarkable effects that: the progress measurement index of the installation and construction 'point system' of the nuclear engineering hoisting equipment is more comprehensive and practical; the calculation rule for converting the engineering quantity of the hoisting equipment into the points is simple to operate, and the installation and construction progress of each hoisting equipment can be intuitively measured; the method can be applied to construction management aspects such as construction efficiency, manpower demand, progress analysis, cost management and control, and the like, and has an important role in the whole period management of the installation and construction of nuclear energy engineering hoisting equipment.
The relative steps, numerical expressions and numerical values of the components and steps set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer readable storage medium executable by a processor. Based on this understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art or in a part of the technical solution, in the form of a software product stored in a storage medium, comprising several instructions for causing a computer device (which may be a personal computer, a server, a network device, etc.) to perform all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above examples are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, but it should be understood by those skilled in the art that the present invention is not limited thereto, and that the present invention is described in detail with reference to the foregoing examples: any person skilled in the art may modify or easily conceive of the technical solution described in the foregoing embodiments, or perform equivalent substitution of some of the technical features, while remaining within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (4)
1. A method of measuring installation progress of nuclear power engineering lifting equipment, the method comprising:
determining a progress point allocation standard for installing target hoisting equipment during construction; the progress point number is used for measuring the workload of installing the lifting equipment during construction, and the target lifting equipment comprises at least one of the following components: a first heavy lifting device of a typical pile type, a second heavy lifting device of an atypical pile type, and a first lifting device having a lifting weight of not more than 40 t;
Dividing the installation stage of the target hoisting equipment, and determining the progress point release proportion of each installation stage;
basic information of the target hoisting equipment is obtained;
calculating total progress points for installing the target hoisting equipment during construction according to the basic information and the progress point allocation standard, and releasing corresponding progress points from the total progress points according to the corresponding progress point release proportion when each installation stage is completed;
if the target lifting apparatus includes a first heavy lifting apparatus, the step of determining progress point allocation criteria for installing the target lifting apparatus during construction includes:
dividing a first equipment type of first heavy lifting equipment; wherein the first equipment type comprises a first ring crane, a first portal crane and a first spent fuel crane;
determining a first progress point allocation standard for installing first heavy lifting equipment of each first equipment type during construction; the first progress point number distribution standard is used for measuring the installation workload of a single first heavy lifting device;
if the target lifting device comprises a second heavy lifting device, the step of determining progress point allocation criteria for installing the target lifting device during construction comprises:
Dividing the second equipment type of the second heavy hoisting equipment, and dividing a first weight interval of each second equipment type; wherein the second equipment type comprises a second ring crane, a second gantry crane and a bridge crane;
determining a second progress point distribution standard for each first heavy lifting device of a second device type installed in each first weight section during construction; the second progress point number distribution standard is used for measuring the installation workload of a single second heavy hoisting device;
the step of determining a second progress point allocation standard for each first heavy lifting device of a second equipment type installed in each first weight section during construction includes:
dividing a travel interval of the bridge crane; wherein the travel intervals comprise a first travel interval with a travel of more than 36 meters and not more than 60 meters, a second travel interval with a travel of more than 60 meters and not more than 100 meters and a third travel interval with a travel of more than 100 meters;
determining a second progress point distribution standard for each bridge crane installed in each first weight interval corresponding to each travel interval during construction;
if the target lifting device comprises a first lifting device, the step of determining progress point allocation criteria for installing the target lifting device during construction comprises:
Dividing third equipment types of the first hoisting equipment, and dividing a second hoisting capacity interval of each third equipment type; the third equipment type comprises a track, a manual trolley, a manual hoist, a manual bridge crane, an electric trolley, an electric hoist, a cantilever crane and a platform trolley;
determining a third progress point allocation standard for each of the second lifting capacity intervals for each of the first lifting equipment of the third equipment type during construction; the third progress point distribution standard is used for measuring the installation workload of the single first lifting device;
the third equipment type further comprises a hanging ring; the step of determining progress point allocation criteria for installing the target lifting apparatus during construction further comprises:
classifying the hanging ring types of the hanging rings;
determining a third progress point allocation standard for installing the lifting rings of each lifting ring category during construction;
the step of determining a third progress point allocation standard for each of the second lifting capacity intervals for each of the first equipment types during construction includes:
the number of tracks is defined according to the following formula:
wherein,, L is the length of the track, L is the number of tracks>Is a preset length value;
according to the number of the defined tracks, determining a single track as a progress point number measuring unit of the track;
determining a third progress point distribution standard for each track installed in each second lifting interval during construction based on the progress point measurement units of the tracks;
the step of determining a first progress point allocation standard for installing first heavy lifting equipment of each first equipment type during construction includes: determining a progress point distribution value of each first ring crane during construction to be 21000; determining a progress point distribution value of installation of each first gantry crane during construction to be 4600; determining a progress point distribution value of installation of each first spent fuel crane during construction as 7200;
the first weight interval of the second ring crane comprises C >450t, 350t < C less than or equal to 450t, 250t < C less than or equal to 350t and C less than or equal to 250t, wherein C is the main hook lifting weight; the first weight interval of the second gantry crane comprises C >400t, 350t < C.ltoreq.400 t, 300t < C.ltoreq.350 t and C.ltoreq.300 t; the first weight interval of the bridge crane comprises C >300t, 200t < C less than or equal to 300t, 125t < C less than or equal to 200t, 75t < C less than or equal to 125t and 40t < C less than or equal to 75t; the step of determining a second progress point allocation standard for each first heavy lifting device of a second equipment type installed in each first weight section during construction includes: the progress point distribution values corresponding to C >450t, 350t < C less than or equal to 450t, 250t < C less than or equal to 350t and C less than or equal to 250t during construction are determined to be 21000, 17500, 14200 and 12500; the progress point distribution values corresponding to C >400t, 350t < C less than or equal to 400t, 300t < C less than or equal to 350t and C less than or equal to 300t respectively for each second gantry crane during construction are determined to be 4600, 3950, 3500 and 3000; the method comprises the steps that during construction, progress point distribution values corresponding to C >300t, 200t < C less than or equal to 300t, 125t < C less than or equal to 200t, 75t < C less than or equal to 125t and 40t < C less than or equal to 75t are respectively installed on each bridge crane, the progress point distribution values are determined to be 4150 xw, 3650 xw, 3150 xw, 2650 xw and 2150 xw, w are adjustment coefficients, different travel sections correspond to adjustment coefficients of different sizes, and the adjustment coefficient sizes corresponding to the first travel section, the second travel section and the third travel section are respectively 1.2, 1.35 and 1.5;
The second lifting capacity interval of the track comprises W < 2t, W < 10t and W < 10t, wherein W is the lifting capacity; the second lifting capacity interval of the manual trolley comprises W < 1t, W < 7.5t and W < 7.5t; the second lifting capacity interval of the manual hoist comprises W which is less than or equal to 0.5t, W which is more than or equal to 0.5t and less than or equal to 1t, W which is more than or equal to 1t and less than or equal to 1.5t, W which is more than or equal to 1.5t and less than or equal to 7.5t, and W which is more than or equal to 7.5t; the second lifting capacity interval of the manual bridge crane comprises W < 2t, W < 5t and W > 5t; the second lifting capacity interval of the electric bridge crane comprises W which is less than or equal to 1.5t, W which is less than or equal to 5t, W which is less than 5t and less than 10t, W which is less than or equal to 10t and less than 20t, and W which is more than or equal to 20t; the second lifting weight intervals of the electric trolley and the electric hoist respectively comprise W < 5t, W < 10t and W < 10t; the second lifting capacity interval of the cantilever crane comprises W less than or equal to 0.5t, W less than or equal to 0.5t and less than or equal to 3t, and W more than or equal to 3t; the step of determining a third progress point allocation standard for each of the second lifting capacity intervals for each of the first equipment types during construction includes: the progress point distribution values corresponding to W < 2t, W < 10t and W > 10t respectively for each track during construction are determined to be 120 XN, 210 XN and 300 XN; the progress point distribution values corresponding to W < 1t, W < 7.5t and W < 7.5t respectively for each manual trolley during construction are determined to be 30, 60 and 85; the method comprises the steps that during construction, each manual hoist is installed, and progress point distribution values corresponding to W is smaller than or equal to 0.5t, W is smaller than or equal to 0.5t and smaller than or equal to 1t, W is smaller than or equal to 1t and smaller than or equal to 1.5t, W is smaller than or equal to 1.5t and smaller than or equal to 7.5t, and W is larger than or equal to 7.5t, and are determined to be 10, 15, 18, 24 and 40; the progress point distribution values corresponding to W < 2t, W < 5t and W > 5t of each manual bridge crane installed during construction are determined to be 210, 300 and 400; the progress point distribution values corresponding to W less than or equal to 1.5t, W less than or equal to 5t, W less than 10t, W less than or equal to 10t less than or equal to 20t and W more than or equal to 20t are determined as 145, 270, 450, 680 and 900; the progress point distribution values corresponding to W < 5t, W < 10t and W < 10t respectively are determined to be 60, 90 and 135 when each electric trolley or electric hoist is installed during construction; the progress point distribution values corresponding to W less than or equal to 0.5t, W less than or equal to 3t and W more than or equal to 3t of each cantilever crane installed during construction are determined to be 80, 100 and 135;
The hanging ring types of the hanging ring comprise a general hanging ring, a monorail hanging ring, a corbel hanging ring, a cantilever hanging ring and a portal hanging ring, wherein the general hanging ring is a hanging ring except the monorail hanging ring, the corbel hanging ring, the cantilever hanging ring and the portal hanging ring; the step of determining a third progress point allocation standard for installing the lifting rings of each lifting ring category during construction comprises the following steps: the progress point distribution value of each general lifting ring during construction is determined to be 25; the number distribution value of the progress points of installing each monorail crane lifting ring during construction is determined to be 40; the progress point distribution value of each bracket hanging ring during construction is determined to be 32; the progress point distribution value of each cantilever crane hanging ring during construction is determined to be 32; and determining a progress point distribution value of installation of each gantry crane lifting ring during construction as 95.
2. The method of claim 1, wherein the first ring crane installation phase comprises a ring rail installation phase, a ring crane equipment installation phase, a first test phase, a pre-stress post-stop welding phase, and a first quality plan closing phase; the first portal crane installation stage comprises a track stage, a high-span portal crane installation stage, a low-span portal crane installation stage, a portal electric flat car installation stage, a second test stage and a second quality plan closing stage; the first spent fuel crane installation phase includes a spent fuel crane installation phase, a third test phase, and a third quality plan shutdown phase.
3. The method of claim 1, wherein the installation phase of the second heavy lifting device comprises a component unpacking and inspection phase, a rail installation phase, a ground preparation work phase of the ground before lifting, a lifting and positioning phase, a mechanical device installation and adjustment phase, an electrical wiring and laying phase, a crane load test phase, a paint make-up and finish phase, and a fourth quality plan closing phase.
4. The method of claim 1, wherein the installation phases of the track, the hand truck, the hand hoist, the hand bridge crane, the cantilever crane, the flatbed truck, and the hoist ring comprise a first mechanical part installation phase, a first load test completion and verification phase, and a fifth quality plan shutdown phase; the installation stage of the electric bridge crane, the electric trolley and the electric hoist comprises a second mechanical part installation stage, a matched electric part installation stage, a second load test completion stage, a verification stage and a sixth quality plan closing stage.
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