CN115585797A - Modularized construction internal positioning method and positioning device - Google Patents
Modularized construction internal positioning method and positioning device Download PDFInfo
- Publication number
- CN115585797A CN115585797A CN202211205856.3A CN202211205856A CN115585797A CN 115585797 A CN115585797 A CN 115585797A CN 202211205856 A CN202211205856 A CN 202211205856A CN 115585797 A CN115585797 A CN 115585797A
- Authority
- CN
- China
- Prior art keywords
- module
- positioning
- channel steel
- prism
- total station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/03—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring coordinates of points
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a modular construction internal positioning method and a positioning device, which comprises the setting of an internal construction measuring datum point, the setting of an instrument erection base, the erection of an instrument on a centering disc, the setting of a temporary turning point on an upper opening of a module, the fixing of the temporary turning point base on the upper opening of the module through an adjustable bolt, the measurement of coordinates by an external secondary network point erection instrument, the measurement of the distance and the direction of the temporary turning point on a forced centering disc, the calculation of the coordinates of a measuring station, the resetting of the instrument orientation after the coordinates are input into the instrument, and the internal construction positioning. The method solves the problems that a measuring instrument cannot be erected in the module and no control reference exists, can fully utilize the sleeve, the support frame and the temporary turning point of the upper opening of the module, solves the positioning of the bottom plate in the module during construction, solves the problem that the positioning axis cannot be arranged due to narrow space, is favorable for ensuring the measuring precision, improves the labor productivity and meets the requirement for optimizing the construction progress.
Description
The technical field is as follows:
the invention belongs to the technical field of civil construction, and particularly relates to a modular construction internal positioning method and a positioning device, which are suitable for a region with narrow space, higher surrounding height and inconvenience in control point arrangement.
Background art:
the traditional construction process of the nuclear power reactor plant comprises the steps of constructing a floor slab firstly and then constructing a wall body, and moving forward in a reciprocating mode in sequence, wherein the floor slab construction positioning visual field is wide, the internal floor slab, the wall top and the periphery can be provided with measurement construction control points, and the measurement positioning mode can be selected in various ways. The floor positioning can be realized by arranging points on the wall top firstly, so that the floor positioning is safe, reliable and stable.
As the nuclear power of China enters the safe and efficient development period, with the advance of the marketization process, nuclear power owners increasingly put forward higher target requirements on shortening the construction period, reducing the construction cost and improving the engineering quality. The modular design and construction technology is proved by practice in nuclear power construction at home and abroad, is an effective mode for reducing field construction amount, potential safety hazards, construction period and engineering cost, and is one of effective measures for solving the contradiction between nuclear power safe and efficient batch construction, resource shortage and quality safety at present in China.
The modular construction technology fundamentally changes the traditional nuclear power construction mode and gradually turns to an intensive prefabrication mode in a factory from the dispersed labor-intensive type in the past. The method draws a great deal of parallel operation to the traditional construction concept, deeply crosses the processes of civil engineering, installation, debugging and the like by means of advanced design, manufacturing and construction technologies, and has great influence on the construction period, the construction cost, the quality and the safe and civilized construction of nuclear power construction projects.
Nuclear power station reactor factory building, supplementary factory building etc. are owing to adopt the modularization construction, and the module height is more than 20 meters, make the inner structure floor separate into the fritter and be in narrow and small space, simultaneously because the introduction of module, make the control point position normally lay, except that the module is vertical tall and big structure, other equal positions are than the bottom position, can't guarantee necessary distance and see-through condition, cause inner structure floor, wall body to measure the location difficulty.
Therefore, the invention provides a modular construction internal positioning method and a positioning device, wherein a support frame is arranged by using a module to penetrate through a sleeve, a total station is erected on the support frame, a temporary prism point is arranged by using an upper opening of the module, the problem of setting a measurement control point is solved, the problem of measuring and positioning an internal structure is effectively solved, the quality of internal structure construction is ensured, the problem that measuring personnel need to ascend and observe is reduced, the working efficiency is improved by several times, and the construction quality is effectively ensured.
The invention content is as follows:
the invention aims to provide a modular construction internal positioning method and a positioning device aiming at the defects of the prior art, solves the problem that control points cannot be normally arranged due to the adoption of modular construction in an internal structure, is convenient to operate, optimizes the engineering progress and has stable and reliable measuring working quality.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
a modular construction internal positioning method comprises the following steps:
step one, arranging a support frame on a module sleeve, and arranging a centering disc on a cantilever of the support frame;
step two, setting temporary prism points at two positions of an upper opening of the module;
step three, erecting a total station by an external secondary site to respectively measure the coordinates of the two temporary prism points;
fourthly, erecting a total station on the centering disc;
step five, the total station respectively measures the distance and the direction of the two temporary prism points;
step six, calculating coordinates of the total station on the centering disc, inputting the coordinates into the instrument, and resetting the orientation of the total station;
seventhly, positioning an internal construction axis, arranging a prism near a positioning point of the platform template, and measuring a point position coordinate through a total station after leveling;
step eight, comparing the measured coordinates with theoretical positioning coordinate values, calculating a difference value, moving in the opposite direction, adjusting the difference value, measuring again, and setting a position mark after the coordinates meet the requirements;
step nine, repeating the step seven and the step eight, determining required point positions, and connecting each point position to form a required positioning axis;
tenthly, positioning the radian line, setting a prism near a positioning point of the platform template, and measuring point position coordinates through a total station after leveling;
step eleven, comparing the actual measurement coordinate with the theoretical positioning coordinate value, and calculating a radius deviation value:
step twelve, moving in the opposite direction, adjusting the difference, re-measuring, and setting the position mark after the radius meets the requirement;
thirteen, repeating the tenth, eleventh and twelfth steps, determining required point positions, and connecting the point positions by using circular arc plates to obtain the radius line required to be positioned.
Step eight, moving in the opposite direction, then re-measuring, and when the deviation value of the actual measurement coordinate and the theoretical positioning coordinate is less than 2mm, conforming to the requirement, and making point marks, namely the lofting point positions of the axis; and step twelve, after moving, checking, and when the deviation value is less than 2mm, marking points, namely the lofting point positions of the radius and the direction.
Further, in the thirteenth step, the arc is positioned, and the distance between the two positioning points is not more than 2m.
(II) a modular construction internal positioning device, which comprises a total station, two temporary prism points and an external secondary network point; the total station is fixed on a wall casing of the first module through an erection device, the height of the total station is more than 1m from the bottom plate, and the two temporary prism points are arranged on the first module or the second module; the erection point of the total station is in communication with the two temporary prism points, and the external secondary network point is in communication with the two temporary prism points. The first module and the second module are both arranged inside a nuclear power station reactor plant, the first module is a round steel containment CV module, the second module is a concrete structure outer wall steel plate wall CA01 module, the CV module is a steel containment module, the sealed metal structure of the nuclear island reactor plant is provided, the main function of the sealed metal structure is to prevent radioactive substances from leaking out under an accident state, the sealed metal structure is one of important safety protection barriers of the reactor plant, the sealed metal structure belongs to nuclear quality protection first-level equipment and nuclear safety second-level equipment, the thickness of a steel plate is 43mm, the sealed metal structure is circularly arranged along the center of a nuclear island, the CA01 module is a concrete structure outer wall steel plate module, the sealed metal structure is an evaporator and a material changing pool module, the sealed metal structure is installed in a steel containment CV bottom seal head, and the whole size is about 28.9m long, 23.5m high and 27.9m wide.
Furthermore, the erection device comprises a module sleeve, the module sleeve is of a hollow cylinder structure, and the support frame is arranged in the module sleeve and comprises an overhanging channel steel and a transverse support channel steel; the transverse supporting channel steel is provided with two or more groups which are distributed in parallel and horizontally arranged in the module sleeve; the cantilever channel steel is fixed above the transverse supporting channel steel and is fixedly connected with each group of transverse supporting channel steel; the outer end of the overhanging channel steel extends out of the module sleeve, the upper surface of the outer end of the overhanging channel steel is fixedly provided with a centering disc, and a total station is fixedly arranged above the centering disc.
Furthermore, the cantilever channel steel is fixedly connected with the transverse supporting channel steel through a fixing device; the fixing device comprises a fixing base plate, two groups of U-shaped steel bars and two groups of screw caps; two groups of U-shaped steel bars are arranged in parallel and are sleeved on the overhanging channel steel, the two groups of U-shaped steel bars are distributed on two sides of the transverse supporting channel steel, and the distance between the two groups of U-shaped steel bars is consistent with the width of the transverse supporting channel steel; external threads are arranged on the two side arms of the U-shaped steel bar, and the fixed base plate is arranged below the transverse supporting channel steel; and the two side arms of the U-shaped steel bar penetrate through the fixed base plate and are fixedly connected with the screw cap through threads.
Further, the transverse supporting channel steel is installed in the module sleeve through an adjustable device; the adjustable device comprises an adjustable top support and a supporting base; the supporting base is fixed on the inner lower surface of the module sleeve, a screw is arranged on the supporting base, the adjustable top support is of a hollow rod structure, and an internal thread matched with the screw is arranged inside the adjustable top support; the adjustable top support is connected with the transverse support channel steel in a rotatable mode, the lower end of the adjustable top support is connected with the screw of the support base in a threaded mode, the adjustable top support is rotated to enable the adjustable top support to ascend or descend relative to the support base, and therefore the height of the adjustable top support is adjusted.
Further, the centering disc is fixedly connected with the cantilever channel steel through a plurality of fixed connecting bolts and a base plate; three fixed connecting bolts are arranged and are respectively positioned at the trisection positions in the circumferential direction of the centering disc; and a total station is fixedly installed above the centering disc through a central connecting bolt.
Further, the temporary prism point comprises a tool base and a prism device; the tooling base is fixedly connected with the upper opening of the module, and the prism device is fixedly installed on the tooling base.
Furthermore, the tooling base is of a channel steel structure, has a downward opening and is sleeved on an upper opening of the module; the side wall of the tool base is provided with a bolt hole and is fixedly connected with the upper opening of the module through a firm bolt.
Further, the top surface of the tool base is provided with a bolt hole which is fixedly connected with the base of the prism device through a base connecting bolt.
The invention has the beneficial effects that:
the scheme of the invention solves the problem that the measurement control point cannot be normally set in a narrow space, avoids the problems that the measurement sight line is obstructed due to the introduction of the module, the through-sight positioning cannot be realized, a high-measurement tower frame erecting instrument needs to be additionally erected and the like, is beneficial to ensuring the measurement precision, improving the labor productivity and meeting the requirement of optimizing the construction progress;
repeated practice proves that the method has the following remarkable advantages:
1. in the invention, each point position is fixed by a bolt without welding, and the structure body is not damaged;
2. the point position tools can be repeatedly used, so that the environmental protection requirements of environmental protection, energy conservation and cost reduction are met;
3. the invention has the advantages of flexible station erection, no occupation of space of other construction procedures, no need of ascending during observation, improved measurement safety and reduced cost investment.
Description of the drawings:
FIG. 1 is a schematic plan view of an embodiment of the present invention;
FIG. 2 is a schematic plan view of a point through a cannula mount according to an embodiment of the invention;
FIG. 3 is a schematic view of a through-casing stent in elevation according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a point through a cannula mount according to an embodiment of the present invention;
FIG. 5 is a schematic view of a prism point elevation of a module according to an embodiment of the present invention;
FIG. 6 is a schematic side view of a prism point of a module according to an embodiment of the present invention;
1: an outer secondary mesh point; 2: the casing point is penetrated; 3: temporary point positions on the module; 3A, 3B: two temporary prism points; 4: a first module; 5: a second module; 2-1: a centering disc; 2-2: a central connecting bolt; 2-3: fixing the connecting bolt; 2-4: cantilever channel steel; 2-5: transversely supporting channel steel; 2-6: an adjustable top support; 2-7: u-shaped steel bars; 2-8: a module sleeve; 2-9: fixing the base plate; 2-10: a nut; 2-11: a support base; 2-12: a total station; 2-13: a base plate; 3-1: a firm bolt; 3-2: a tooling base; 3-3: a base of the prism device; 3-4: a base connecting bolt; 3-5 prisms; p, total station point location.
The specific implementation mode is as follows:
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Example 1
Certain nuclear power station reactor factory building, inner structure concrete structure outer wall steel sheet module CA01 module, the circular steel containment CV module of outside a week, CA01 once hoists in place, CV layering hoist and mount, when +2.200m construction platform board construction, inside forms narrow and small space, and the control point can not be according to normal arrangement, and whether measurement control work is perfect will directly influence engineering quality and construction progress.
Therefore, an embodiment of the present invention provides a method for positioning an interior of a modular construction, which includes the following steps, with reference to fig. 1 to 6:
firstly, selecting a sleeve pipe with a proper position on a CV module wall body, arranging a support frame on the module sleeve pipe, and arranging a centering disc 2-1 on a cantilever of the support frame;
step two, temporary prism points 3A and 3B are arranged at the upper openings of a steel containment CV module and a concrete structure outer wall steel plate module CA01 module;
step three, erecting a total station by an external secondary site C04, and measuring the coordinates of the prism point 3A (X1205.2778, Y992.2127) and the coordinates of the prism point 3B (X1194.0260, Y987.5304) by a rearview C07;
fourthly, erecting a total station 2-12 on the centering disc 2-1 (point P);
step five, measuring the distance and the azimuth angle of the prism point 3A by a total station 2-12, wherein the distance and the azimuth angle are 17.2346m and 20 degrees 11 ', 56.1', the distance and the azimuth angle of the prism point 3B are 9.8132m and 63 degrees 50 ', 08.7';
sixthly, calculating coordinates (X1195.7278 and Y977.8659) of the total station 2-12 on the centering disc 2-1, inputting the coordinates into an instrument, resetting the orientation of the total station 2-12, and performing internal construction positioning;
seventhly, positioning an internal construction axis X =1192.50m, arranging a prism near a positioning point of the platform template, and measuring a point location coordinate (X1192.4315, Y979.1208) through a total station 2-12 after leveling;
step eight, comparing the actually measured coordinates with theoretical positioning coordinate values, calculating a difference value delta X =1192.4315-1192.5000= -0.0685m, adjusting the difference value 0.0685m in the opposite direction to the north, re-measuring the coordinates (X1192.4995, Y979.1311), wherein the deviation is less than 2mm, and setting the position marks according with the requirements;
step nine, repeating the step seven and the step eight, determining required point positions, and connecting each point position to form a required positioning axis;
tenthly, positioning the radian lines of circle centers (X1185.500 and Y994.800), establishing a prism near a platform template positioning point, and measuring point position coordinates (X1192.1102 and Y976.3256) through a total station 2-12 after leveling;
step eleven, comparing the actual measurement coordinate with the theoretical positioning coordinate, and calculating a radius deviation value:
and step twelve, moving the reactor to the center of the reactor by 0.121m in the opposite direction, adjusting the difference, re-measuring to obtain (X1192.0094, Y976.4178), and calculating the radius deviation value:
setting the position mark when the deviation is less than 2mm and the radius meets the requirement;
and thirteen, repeating the tenth step, the eleventh step and the twelfth step, determining required point positions, and connecting the point positions by using an arc plate to obtain the radius line required to be positioned, wherein the arc is positioned, and the distance between the two positioning points is not more than 2m.
And step eight, re-measuring after moving in the opposite direction, and meeting the requirement when the deviation value of the measured coordinate and the theoretical positioning coordinate is less than 2 mm.
Example 2
The embodiment provides a positioning device based on the positioning method of embodiment 1, and as shown in fig. 1, the positioning device includes total stations 2 to 12, two temporary prism points, and an external secondary site; the total station 2-12 is fixed on the first module 4 through an erection device, and the two temporary prism points are arranged on the first module 4 or the second module 5; the first module 4 and the second module 5 are both arranged inside a reactor plant of the nuclear power station, the first module 4 is a round steel containment CV module, and the second module 5 is a concrete structure outer wall steel plate module CA01 module; the erection point of the total station 2-12 is in communication with the two temporary prism points, and the external secondary mesh point is in communication with the two temporary prism points.
Specifically, in the embodiment, the erecting device comprises module sleeves 2-8, the module sleeves 2-8 are hollow cylinder structures, and the support frame is installed in the module sleeves 2-8 and comprises overhanging channel steel 2-4 and transverse support channel steel 2-5; the transverse supporting channel steels 2-5 are arranged in two or more groups, distributed in parallel and horizontally arranged in the module sleeves 2-8; the cantilever channel steel 2-4 is fixed above the transverse support channel steel 2-5 and is fixedly connected with each group of transverse support channel steel 2-5; the outer end of the cantilever channel steel 2-4 extends out of the module sleeve 2-8, the upper surface of the outer end of the cantilever channel steel 2-4 is fixedly provided with a centering disc 2-1 (phi 200mm,20mm thick centering plate), and a total station 2-12 is fixedly arranged above the centering disc 2-1. Specifically, the centering disc 2-1 and the cantilever channel steel 2-4 are fixedly connected through three fixed connecting bolts 2-3 (M14 bolts) and a 5mm thick backing plate 2-13, and the three fixed connecting bolts 2-3 are respectively positioned at the circumferential trisection of the centering disc 2-1; and a total station 2-12 is fixedly arranged above the centering disc 2-1 through a central connecting bolt 2-2 (M14 fixing screw).
In the embodiment, the cantilever channel steel 2-4 is fixedly connected with the transverse supporting channel steel 2-5 through a fixing device; the fixing device comprises fixing backing plates 2-9, two groups of U-shaped steel bars 2-7 and two groups of screw caps 2-10; two groups of U-shaped steel bars 2-7 are arranged in parallel and are sleeved on the overhanging channel steel 2-4, the two groups of U-shaped steel bars 2-7 are distributed on two sides of the transverse supporting channel steel 2-5, and the distance between the two groups of U-shaped steel bars 2-7 is consistent with the width of the transverse supporting channel steel 2-5; external threads are arranged on arms on two sides of the U-shaped steel bar 2-7, and the fixed base plate 2-9 is arranged below the transverse supporting channel steel 2-5; arms on two sides of the U-shaped steel bar 2-7 penetrate through the fixed backing plate 2-9 and are fixedly connected with the screw cap 2-10 through threads.
In the embodiment, the transverse supporting channel steel 2-5 is arranged in the module casing 2-8 through an adjustable device; the adjustable device comprises an adjustable top support 2-6 and a support base 2-11; the supporting base 2-11 is fixed on the inner lower surface of the module casing 2-8, a screw is arranged on the supporting base 2-11, the adjustable top support 2-6 is of a hollow rod structure, and an internal thread matched with the screw is arranged inside the adjustable top support; the upper end of the adjustable top support 2-6 is rotatably connected with the transverse support channel steel 2-5, the lower end of the adjustable top support is in threaded connection with the screw of the support base 2-11, and the adjustable top support 2-6 is rotated to ascend or descend relative to the support base 2-11 so as to achieve the height adjusting effect.
In this embodiment, the temporary prism point includes a tool base 3-2 and a prism device; the tooling base 3-2 is fixedly connected with the upper opening of the module, and the prism device is fixedly arranged on the tooling base 3-2. Specifically, the tooling base 3-2 is of a channel steel structure (100 multiplied by 70 multiplied by 60 mm), and is downwards opened and sleeved on an upper opening of a module; the side wall of the tool base 3-2 is provided with a bolt hole and is fixedly connected with the upper opening of the module through a firm bolt 3-1 (a 5/8 inch connecting bolt). The top surface of the tool base 3-2 is provided with a bolt hole and is fixedly connected with the base of the prism device through a base connecting bolt 3-4.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention, it should be noted that, for those skilled in the art, several modifications and decorations without departing from the principle of the present invention should be regarded as the protection scope of the present invention.
Claims (10)
1. A modular construction internal positioning method is characterized by comprising the following steps:
step one, arranging a support frame on a module sleeve, and arranging a centering disc on a cantilever of the support frame;
step two, setting temporary prism points at two positions of an upper opening of the module;
step three, erecting a total station by an external secondary site to respectively measure the coordinates of the two temporary prism points;
erecting a total station on the centering disc;
step five, the total station measures the distance and the direction of the two temporary prism points respectively;
calculating the coordinates of the total station on the centering disc, inputting the coordinates into the instrument, and resetting the orientation of the total station;
seventhly, positioning an internal construction axis, arranging a prism near a positioning point of the platform template, and measuring a point position coordinate through a total station after leveling;
step eight, comparing the measured coordinates with theoretical positioning coordinate values, calculating a difference value, moving in the opposite direction, adjusting the difference value, measuring again, and setting a position mark after the coordinates meet the requirements;
step nine, repeating the step seven and the step eight, determining required point positions, and connecting each point position to form a required positioning axis;
tenthly, positioning the radian line, setting a prism near a positioning point of the platform template, and measuring point position coordinates through a total station after leveling;
step eleven, comparing the actual measurement coordinate with the theoretical positioning coordinate, and calculating a radius deviation value:
step twelve, moving in the opposite direction, adjusting the difference, re-measuring, and setting the position mark after the radius meets the requirement;
and thirteen, repeating the tenth, eleventh and twelfth steps, determining required point positions, and connecting the point positions by using circular arc plates to obtain the radius line to be positioned.
2. The modular construction interior positioning method of claim 1,
step eight, re-measuring after moving in the opposite direction, and meeting the requirement when the deviation value of the actually measured coordinate and the theoretical positioning coordinate is less than 2 mm; and step twelve, re-measuring after moving in the opposite direction, and meeting the requirement when the deviation value of the measured coordinate and the theoretical positioning coordinate is less than 2 mm.
3. The modular construction interior positioning method of claim 1,
and step thirteen, positioning the arc, wherein the distance between the two positioning points is not more than 2m.
4. A modularized construction internal positioning device is characterized in that,
the system comprises a total station (2-12), two temporary prism points and an external secondary network point;
the total station (2-12) is fixed on a wall casing of the first module (4) through an erection device, the height of the total station is more than 1m from the bottom plate, and the two temporary prism points are arranged on the first module (4) or the second module (5); the first module (4) and the second module (5) are arranged inside a reactor building of the nuclear power station; the first module (4) is a round steel containment CV module, and the second module (5) is a concrete structure outer wall steel plate wall CA01 module;
the erection point of the total station (2-12) is in communication with the two temporary prism points, and the external secondary network point is in communication with the two temporary prism points.
5. The modular construction interior positioning apparatus of claim 4,
the erection device comprises module sleeves (2-8), the module sleeves (2-8) are of hollow cylinder structures, and the support frame is installed in the module sleeves (2-8) and comprises cantilever channel steel (2-4) and transverse support channel steel (2-5);
the transverse supporting channel steels (2-5) are arranged in two or more groups, distributed in parallel and horizontally arranged in the module sleeves (2-8); the cantilever channel steel (2-4) is fixed above the transverse supporting channel steel (2-5) and is fixedly connected with each group of transverse supporting channel steel (2-5) at the same time; the outer end of the cantilever channel steel (2-4) extends out of the module sleeve (2-8), a centering disc (2-1) is fixedly installed on the upper surface of the outer end of the cantilever channel steel (2-4), and a total station (2-12) is fixedly installed above the centering disc (2-1).
6. The modular construction interior positioning apparatus of claim 5,
the cantilever channel steel (2-4) is fixedly connected with the transverse supporting channel steel (2-5) through a fixing device;
the fixing device comprises a fixing base plate (2-9), two groups of U-shaped steel bars (2-7) and two groups of screw caps (2-10);
the two groups of U-shaped steel bars (2-7) are arranged in parallel and are sleeved on the cantilever channel steel (2-4), the two groups of U-shaped steel bars (2-7) are distributed on two sides of the transverse supporting channel steel (2-5), and the distance between the two groups of U-shaped steel bars (2-7) is consistent with the width of the transverse supporting channel steel (2-5);
external threads are arranged on arms on two sides of the U-shaped steel bar (2-7), and the fixed base plate (2-9) is arranged below the transverse supporting channel steel (2-5); the arms on the two sides of the U-shaped steel bar (2-7) penetrate through the fixed backing plate (2-9) and are fixedly connected with the screw cap (2-10) through threads.
7. The modular construction interior positioning apparatus of claim 5,
the transverse supporting channel steel (2-5) is arranged in the module sleeve (2-8) through an adjustable device;
the adjustable device comprises an adjustable top support (2-6) and a supporting base (2-11);
the supporting base (2-11) is fixed on the inner lower surface of the module casing (2-8), a screw is arranged on the supporting base (2-11), the adjustable top support (2-6) is of a hollow rod structure, and an internal thread matched with the screw is arranged inside the adjustable top support;
the upper end of the adjustable top support (2-6) is rotatably connected with the transverse support channel steel (2-5), the lower end of the adjustable top support is in threaded connection with a screw of the support base (2-11), and the adjustable top support (2-6) is rotated to enable the adjustable top support to ascend or descend relative to the support base (2-11) so as to achieve the effect of height adjustment.
8. The modular construction interior positioning apparatus of claim 5,
the centering disc (2-1) is fixedly connected with the cantilever channel steel (2-4) through a fixed connecting bolt (2-3) and a backing plate (2-13); three fixed connecting bolts (2-3) are arranged and are respectively positioned at the circumferential trisection of the centering disc (2-1);
and a total station (2-12) is fixedly arranged above the centering disc (2-1) through a central connecting bolt (2-2).
9. The modular construction interior positioning apparatus of claim 4,
the temporary prism point comprises a tool base (3-2) and a prism device;
the tooling base (3-2) is fixedly connected with the upper opening of the module, and the prism device is fixedly installed on the tooling base (3-2).
10. The modular construction interior positioning apparatus of claim 9,
the tool base (3-2) is of a channel steel structure, has a downward opening and is sleeved on an upper opening of the module;
the side wall of the tool base (3-2) is provided with a bolt hole and is fixedly connected with the upper opening of the module through a firm bolt (3-1);
the top surface of the tool base (3-2) is provided with a bolt hole and is fixedly connected with the base of the prism device through a base connecting bolt (3-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205856.3A CN115585797A (en) | 2022-09-30 | 2022-09-30 | Modularized construction internal positioning method and positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205856.3A CN115585797A (en) | 2022-09-30 | 2022-09-30 | Modularized construction internal positioning method and positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115585797A true CN115585797A (en) | 2023-01-10 |
Family
ID=84778248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211205856.3A Pending CN115585797A (en) | 2022-09-30 | 2022-09-30 | Modularized construction internal positioning method and positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115585797A (en) |
-
2022
- 2022-09-30 CN CN202211205856.3A patent/CN115585797A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203603586U (en) | Equipment support regulating device | |
| CN110219326B (en) | Reverse construction method one-column one-pile underwater verticality adjusting construction process | |
| CN210238595U (en) | One-column one-pile underwater verticality adjusting construction device by reverse construction method | |
| CN103087731A (en) | Laser measurement installation method for dry coke quenching furnace shell | |
| CN111254968A (en) | Installation device and installation method for large-diameter embedded bolt of large-scale equipment foundation | |
| CN212104166U (en) | Accurate positioning device for embedded bolt of safety injection box of nuclear power station | |
| CN115585797A (en) | Modularized construction internal positioning method and positioning device | |
| CN210507148U (en) | Positioning and adjusting device for main tower cable guide pipe of cable-stayed bridge | |
| CN112681138A (en) | Segmented assembling and walking type pushing construction method for high-speed rail crossing line | |
| CN112096090A (en) | Large-span space pipe truss single-point support butt joint step-by-step unloading device and construction method | |
| CN111502120A (en) | Construction method for hoisting platform steel stand column | |
| CN114673190A (en) | Installation construction method for high-precision embedded bolt at column top | |
| CN113310473B (en) | Auxiliary tool for gate detection and method for detecting horizontal roundness of gate | |
| CN112112186B (en) | Installation method of split jacket foundation on offshore converter station | |
| CN207672599U (en) | A kind of foundation bolt mounting tool | |
| CN202627326U (en) | Section steel column for high-rise building steel reinforced concrete composite structures | |
| CN113310472B (en) | Method for checking position of prestressed pipeline of containment | |
| CN217174896U (en) | Bolt mounting distance support | |
| CN113324532B (en) | Steel lining bracket positioning method | |
| CN114777705B (en) | Nuclear power plant water injection tank foundation bolt installation, measurement and inspection method | |
| CN117168422A (en) | Construction positioning measurement detection method for containment building machine | |
| CN217153598U (en) | Measurement frock in module | |
| CN116641559B (en) | Method for installing and positioning gate sleeve of circular arc-shaped concrete wall | |
| CN215482356U (en) | Bridge pier column reinforcing bar positioner | |
| CN116718147A (en) | Internal inspection well circumference radius and verticality inspection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |