CN117249759B - End plate mold closing detection method and system applied to tunnel segment steel mold - Google Patents
End plate mold closing detection method and system applied to tunnel segment steel mold Download PDFInfo
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- CN117249759B CN117249759B CN202310995349.2A CN202310995349A CN117249759B CN 117249759 B CN117249759 B CN 117249759B CN 202310995349 A CN202310995349 A CN 202310995349A CN 117249759 B CN117249759 B CN 117249759B
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- 238000001514 detection method Methods 0.000 title claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 52
- 239000010959 steel Substances 0.000 title claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 4
- 230000001154 acute effect Effects 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000009417 prefabrication Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011178 precast concrete Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0063—Control arrangements
- B28B17/0081—Process control
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of tunnel segment prefabrication, and particularly discloses an end plate die assembly detection method and system applied to a tunnel segment steel die, wherein the method comprises the following steps: selecting the bottom surface of the steel mould as a first reference surface, and setting a second reference surface; selecting an end plate mounted on any side of the bottom surface of the steel die as a reference end plate; classifying the remaining end plates according to location into an opposite side end plate and an adjacent side end plate, wherein the opposite side end plate represents an end plate opposite to the reference end plate in the steel mold, and the adjacent side end plate represents an end plate adjacent to the reference end plate; firstly, installing a reference end plate according to the relative position of the reference end plate and the first reference surface; and the reference end plate is used as a reference, and the installation of the opposite side end plate and the adjacent side end plate is carried out according to the relative position relation, so that the die assembly is completed. The invention can improve the accuracy of die assembly and reduce the cost and complexity of die assembly detection.
Description
Technical Field
The invention relates to the technical field of tunnel segment prefabrication, in particular to an end plate die assembly detection method and system applied to a tunnel segment steel die.
Background
Tunnel segments are precast concrete elements used in tunnel construction, typically for assembly into the wall and roof of a tunnel. They are an important component in tunnel engineering for forming the structure of the tunnel, providing support and stability of the tunnel. Tunnel segments are typically made of high strength concrete and have durability and load carrying capacity. Their size and shape may be different depending on the requirements of the tunnel design. In the manufacturing process, concrete is poured into a steel mould, and after curing, the segments can obtain the required strength and quality.
The advantages of tunnel segments include: 1. prefabricated, tunnel segments are manufactured in factories or prefabricated sites, and have higher quality control and consistency than cast-in-place; 2. and (3) quick construction: the prefabricated tunnel duct piece can be quickly installed and assembled, so that the construction period is shortened, and the construction efficiency is improved; 3. the structure is stable: the tunnel duct piece is used as a component part of the tunnel structure, so that stable support and structural strength can be provided; 4. the adaptability: the tunnel segment can be manufactured into different sizes and cross-sectional shapes according to specific tunnel design requirements so as to adapt to the requirements of various tunnel engineering.
In the production process of the duct piece, four side templates of a specified steel die must be folded to a specified position before pouring. However, there is a high possibility that errors may occur in the process of clamping the mold due to problems such as the size of the mold, the complicated manufacturing environment in the field, and defects of the steel mold itself. In the current stage, detection is carried out by manual observation or by a simple measuring tool, so that the measurement accuracy is low and time is wasted.
Disclosure of Invention
The invention aims to provide an end plate die assembly detection method and system applied to a tunnel segment steel die, and solves the technical problems.
The aim of the invention can be achieved by the following technical scheme:
an end plate die assembly detection method applied to a tunnel segment steel die comprises the following steps:
Selecting the bottom surface of the steel die as a first reference surface, and setting a second reference surface which is perpendicular to the first reference surface and is not intersected with the steel die;
Selecting an end plate mounted on any side of the bottom surface of the steel die as a reference end plate, wherein the reference end plate is parallel to the second reference surface;
Classifying the remaining end plates according to location into an opposite side end plate and an adjacent side end plate, wherein the opposite side end plate represents an end plate opposite to the reference end plate in the steel mold, and the adjacent side end plate represents an end plate adjacent to the reference end plate;
Firstly, installing a reference end plate according to the relative position of the reference end plate and the first reference surface; and the reference end plate is used as a reference, and the installation of the opposite side end plate and the adjacent side end plate is carried out according to the relative position relation, so that the die assembly is completed.
As a further scheme of the invention: the installation of the reference end plate is performed first, the specific steps of which are as follows:
determining the mounting position of the reference end plate on the first reference surface;
Setting a detection light source, wherein the detection light source is a parallel light source, the detection light source and the opposite side end plate are positioned on the same side, the detection light source is positioned outside the steel die, and parallel light emitted by the parallel light source is perpendicular to the second reference surface;
maintaining a side of the bottom of the reference end plate coincident with a corresponding boundary in the mounting position and adjusting an angle between the reference end plate and the first reference surface to the mounting angle.
As a further scheme of the invention: the specific steps of adjusting the angle between the reference end plate and the first reference surface to the installation angle are as follows:
Turning on the detection light source and adjusting the angle between the reference end plate and the first reference surface;
Acquiring a shadow area S on the second reference surface;
And acquiring an angle corresponding to the maximum value of the shadow area S, wherein the angle is the installation angle.
As a further scheme of the invention: the specific steps for installing the opposite end plate are as follows:
Taking the inner surface of the reference template as a third reference surface, and acquiring the mounting position of the opposite side end plate on the first reference surface;
maintaining one side of the bottom of the contralateral end plate coincident with a corresponding boundary in the mounting position and adjusting an angle between the contralateral end plate and a first reference surface;
Turning on a detection light source to obtain a shadow image of the third reference surface;
When the upper boundary of the shadow image is coincident with the upper boundary of the inner surface of the reference end plate, the opposite end plate reaches the installation angle, and the installation of the opposite end plate is completed.
As a further scheme of the invention: when, during installation of the opposite end plate, the upper boundary of the shadow image partially coincides with the upper boundary of the inner surface of the reference end plate, one side of the bottom of the opposite end plate coincides with the corresponding boundary in the installation position and the angle between the opposite end plate and the first reference surface is readjusted.
As a further scheme of the invention: the step of installing the adjacent side end plate is the same as the step of installing the opposite side end plate, but the position of the detection light source needs to be adjusted, the adjusted detection light source is positioned at one side of the adjacent side end plate to be installed, which is far away from the reference end plate, and the included angle between the parallel light and the third reference surface is an acute angle, and the parallel light is parallel to the first reference surface.
As a further scheme of the invention: the opposite side end plate and the adjacent side end plate can be installed simultaneously after the installation of the reference end plate is completed, and the detection light source is provided with a plurality of detection light sources and corresponds to each end plate to be installed respectively.
End plate compound die detecting system for tunnel segment steel mould includes:
And a reference module: selecting the bottom surface of the steel die as a first reference surface, and setting a second reference surface which is perpendicular to the first reference surface and is not intersected with the steel die; selecting an end plate mounted on any side of the bottom surface of the steel die as a reference end plate, wherein the reference end plate is parallel to the second reference surface;
and a classification module: classifying the remaining end plates according to location into an opposite side end plate and an adjacent side end plate, wherein the opposite side end plate represents an end plate opposite to the reference end plate in the steel mold, and the adjacent side end plate represents an end plate adjacent to the reference end plate;
And (3) a die assembly module: firstly, installing a reference end plate according to the relative position of the reference end plate and the first reference surface; and the reference end plate is used as a reference, and the installation of the opposite side end plate and the adjacent side end plate is carried out according to the relative position relation, so that the die assembly is completed.
The invention has the beneficial effects that: in the specific scheme of the invention, the first reference surface is the bottom surface of the steel mould, is generally a flat bottom surface or is arranged on a horizontal mounting platform, and is a ready-made wall plane; thereby reducing the die assembly cost of the duct piece; the detection light source is a common parallel light source in the existing market; and (3) carrying out die assembly judgment on different templates according to the characteristics of the rectangular templates and the changes of different reference systems in die assembly, so that the accuracy of die assembly is improved, and the cost and complexity of die assembly detection are reduced.
Drawings
The invention is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of an end plate mold closing detection method applied to a tunnel segment steel mold.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
Referring to fig. 1, the invention discloses an end plate die assembly detection method applied to a tunnel segment steel die, which comprises the following steps:
Selecting the bottom surface of the steel die as a first reference surface, and setting a second reference surface which is perpendicular to the first reference surface and is not intersected with the steel die;
Selecting an end plate mounted on any side of the bottom surface of the steel die as a reference end plate, wherein the reference end plate is parallel to the second reference surface;
Classifying the remaining end plates according to location into an opposite side end plate and an adjacent side end plate, wherein the opposite side end plate represents an end plate opposite to the reference end plate in the steel mold, and the adjacent side end plate represents an end plate adjacent to the reference end plate;
Firstly, installing a reference end plate according to the relative position of the reference end plate and the first reference surface; and the reference end plate is used as a reference, and the installation of the opposite side end plate and the adjacent side end plate is carried out according to the relative position relation, so that the die assembly is completed.
The tunnel segment refers to a precast concrete panel used for constructing a tunnel structure in tunnel construction. Tunnel segments are typically precast concrete elements with a specific geometry that are spliced together to form a complete tunnel lining. The tunnel segment steel mould is a precast concrete mould for manufacturing tunnel segments, and is usually made of steel materials. These steel molds are used to produce tunnel segments in a factory or prefabricated site and then transported to the site for installation. In the invention, the application scene of the method is a common mold closing detection method of a rectangular mold plate.
In the specific scheme of the invention, the first reference surface is the bottom surface of the steel mould, is generally a flat bottom surface or is arranged on a horizontal mounting platform, and is a ready-made wall plane; thereby reducing the die assembly cost of the duct piece; the detection light source is a common parallel light source in the existing market; and (3) carrying out die assembly judgment on different templates according to the characteristics of the rectangular templates and the changes of different reference systems in die assembly, so that the accuracy of die assembly is improved, and the cost and complexity of die assembly detection are reduced.
In a preferred embodiment of the invention, the installation of the reference end plate is performed first, the specific steps of which are as follows:
determining the mounting position of the reference end plate on the first reference surface;
Setting a detection light source, wherein the detection light source is a parallel light source, the detection light source and the opposite side end plate are positioned on the same side, the detection light source is positioned outside the steel die, and parallel light emitted by the parallel light source is perpendicular to the second reference surface;
maintaining a side of the bottom of the reference end plate coincident with a corresponding boundary in the mounting position and adjusting an angle between the reference end plate and the first reference surface to the mounting angle.
In another preferred embodiment of the present invention, the specific step of adjusting the angle between the reference end plate and the first reference surface to the mounting angle is as follows:
Turning on the detection light source and adjusting the angle between the reference end plate and the first reference surface;
Acquiring a shadow area S on the second reference surface;
And acquiring an angle corresponding to the maximum value of the shadow area S, wherein the angle is the installation angle.
As a further scheme of the invention: the specific steps for installing the opposite end plate are as follows:
Taking the inner surface of the reference template as a third reference surface, and acquiring the mounting position of the opposite side end plate on the first reference surface;
maintaining one side of the bottom of the contralateral end plate coincident with a corresponding boundary in the mounting position and adjusting an angle between the contralateral end plate and a first reference surface;
Turning on a detection light source to obtain a shadow image of the third reference surface;
When the upper boundary of the shadow image is coincident with the upper boundary of the inner surface of the reference end plate, the opposite end plate reaches the installation angle, and the installation of the opposite end plate is completed.
In another preferred embodiment of the present invention, when the upper boundary of the shadow image partially coincides with the upper boundary of the inner surface of the reference end plate during the mounting of the opposite end plate, one side of the bottom of the opposite end plate coincides with the corresponding boundary in the mounting position, and the angle between the opposite end plate and the first reference surface is readjusted.
In another preferred embodiment of the present invention, the step of installing the adjacent side end plate is the same as the step of installing the opposite side end plate, but the position of the detection light source needs to be adjusted, the adjusted detection light source is located at a side of the adjacent side end plate to be installed, which is far away from the reference end plate, and an included angle between the parallel light and the third reference surface is an acute angle, and the parallel light is parallel to the first reference surface.
In another preferred embodiment of the present invention, the opposite-side end plate and the adjacent-side end plate can be installed simultaneously after the installation of the reference end plate is completed, and the detection light sources are provided in a plurality and respectively correspond to each end plate to be installed.
End plate compound die detecting system for tunnel segment steel mould includes:
And a reference module: selecting the bottom surface of the steel die as a first reference surface, and setting a second reference surface which is perpendicular to the first reference surface and is not intersected with the steel die; selecting an end plate mounted on any side of the bottom surface of the steel die as a reference end plate, wherein the reference end plate is parallel to the second reference surface;
and a classification module: classifying the remaining end plates according to location into an opposite side end plate and an adjacent side end plate, wherein the opposite side end plate represents an end plate opposite to the reference end plate in the steel mold, and the adjacent side end plate represents an end plate adjacent to the reference end plate;
And (3) a die assembly module: firstly, installing a reference end plate according to the relative position of the reference end plate and the first reference surface; and the reference end plate is used as a reference, and the installation of the opposite side end plate and the adjacent side end plate is carried out according to the relative position relation, so that the die assembly is completed.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (3)
1. The end plate die assembly detection method applied to the tunnel segment steel die is characterized by comprising the following steps of:
Selecting the bottom surface of the steel die as a first reference surface, and setting a second reference surface which is perpendicular to the first reference surface and is not intersected with the steel die;
Selecting an end plate mounted on any side of the bottom surface of the steel die as a reference end plate, wherein the reference end plate is parallel to the second reference surface;
Classifying the remaining end plates according to location into an opposite side end plate and an adjacent side end plate, wherein the opposite side end plate represents an end plate opposite to the reference end plate in the steel mold, and the adjacent side end plate represents an end plate adjacent to the reference end plate;
Firstly, installing a reference end plate according to the relative position of the reference end plate and the first reference surface; the reference end plate is used as a reference, and the opposite side end plate and the adjacent side end plate are installed according to the relative position relation, so that the die assembly is completed;
the installation of the reference end plate is performed first, the specific steps of which are as follows:
determining the mounting position of the reference end plate on the first reference surface;
Setting a detection light source, wherein the detection light source is a parallel light source, the detection light source and the opposite side end plate are positioned on the same side, the detection light source is positioned outside the steel die, and parallel light emitted by the parallel light source is perpendicular to the second reference surface;
Maintaining one side of the bottom of the reference end plate coincident with a corresponding boundary in the mounting position and adjusting an angle between the reference end plate and the first reference surface to a mounting angle;
the specific steps of adjusting the angle between the reference end plate and the first reference surface to the installation angle are as follows:
Turning on the detection light source and adjusting the angle between the reference end plate and the first reference surface;
Acquiring a shadow area S on the second reference surface;
Acquiring an angle corresponding to the maximum value of the shadow area S, wherein the angle is the installation angle;
The specific steps for installing the opposite end plate are as follows:
taking the inner surface of the reference end plate as a third reference surface, and acquiring the mounting position of the opposite side end plate on the first reference surface;
maintaining one side of the bottom of the contralateral end plate coincident with a corresponding boundary in the mounting position and adjusting an angle between the contralateral end plate and a first reference surface;
Turning on a detection light source to obtain a shadow image of the third reference surface;
when the upper boundary of the shadow image is coincident with the upper boundary of the inner surface of the reference end plate, the opposite end plate reaches an installation angle, and the installation of the opposite end plate is completed;
Readjusting a side of the bottom of the opposite end plate to coincide with a corresponding boundary in the mounting position and readjusting an angle between the opposite end plate and the first reference surface if an upper boundary of the shadow image partially coincides with an upper boundary of the inner surface of the reference end plate during mounting of the opposite end plate;
The step of installing the adjacent side end plate is the same as the step of installing the opposite side end plate, but the position of the detection light source needs to be adjusted, the adjusted detection light source is positioned at one side of the adjacent side end plate to be installed, which is far away from the reference end plate, and the included angle between the parallel light and the third reference surface is an acute angle, and the parallel light is parallel to the first reference surface.
2. The method for detecting the die assembly of the end plate applied to the steel die of the tunnel segment according to claim 1, wherein the opposite-side end plate and the adjacent-side end plate can be installed simultaneously after the installation of the reference end plate is completed, and the detection light sources are provided with a plurality of detection light sources and respectively correspond to each end plate to be installed.
3. Be applied to end plate compound die detecting system of tunnel segment steel mould, its characterized in that includes:
And a reference module: selecting the bottom surface of the steel die as a first reference surface, and setting a second reference surface which is perpendicular to the first reference surface and is not intersected with the steel die; selecting an end plate mounted on any side of the bottom surface of the steel die as a reference end plate, wherein the reference end plate is parallel to the second reference surface;
and a classification module: classifying the remaining end plates according to location into an opposite side end plate and an adjacent side end plate, wherein the opposite side end plate represents an end plate opposite to the reference end plate in the steel mold, and the adjacent side end plate represents an end plate adjacent to the reference end plate;
And (3) a die assembly module: firstly, installing a reference end plate according to the relative position of the reference end plate and the first reference surface; the reference end plate is used as a reference, and the opposite side end plate and the adjacent side end plate are installed according to the relative position relation, so that the die assembly is completed;
the installation of the reference end plate is performed first, the specific steps of which are as follows:
determining the mounting position of the reference end plate on the first reference surface;
Setting a detection light source, wherein the detection light source is a parallel light source, the detection light source and the opposite side end plate are positioned on the same side, the detection light source is positioned outside the steel die, and parallel light emitted by the parallel light source is perpendicular to the second reference surface;
Maintaining one side of the bottom of the reference end plate coincident with a corresponding boundary in the mounting position and adjusting an angle between the reference end plate and the first reference surface to a mounting angle;
the specific steps of adjusting the angle between the reference end plate and the first reference surface to the installation angle are as follows:
Turning on the detection light source and adjusting the angle between the reference end plate and the first reference surface;
Acquiring a shadow area S on the second reference surface;
Acquiring an angle corresponding to the maximum value of the shadow area S, wherein the angle is the installation angle;
The specific steps for installing the opposite end plate are as follows:
taking the inner surface of the reference end plate as a third reference surface, and acquiring the mounting position of the opposite side end plate on the first reference surface;
maintaining one side of the bottom of the contralateral end plate coincident with a corresponding boundary in the mounting position and adjusting an angle between the contralateral end plate and a first reference surface;
Turning on a detection light source to obtain a shadow image of the third reference surface;
when the upper boundary of the shadow image is coincident with the upper boundary of the inner surface of the reference end plate, the opposite end plate reaches an installation angle, and the installation of the opposite end plate is completed;
Readjusting a side of the bottom of the opposite end plate to coincide with a corresponding boundary in the mounting position and readjusting an angle between the opposite end plate and the first reference surface if an upper boundary of the shadow image partially coincides with an upper boundary of the inner surface of the reference end plate during mounting of the opposite end plate;
The step of installing the adjacent side end plate is the same as the step of installing the opposite side end plate, but the position of the detection light source needs to be adjusted, the adjusted detection light source is positioned at one side of the adjacent side end plate to be installed, which is far away from the reference end plate, and the included angle between the parallel light and the third reference surface is an acute angle, and the parallel light is parallel to the first reference surface.
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| CN202310995349.2A CN117249759B (en) | 2023-08-09 | 2023-08-09 | End plate mold closing detection method and system applied to tunnel segment steel mold |
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| CN202310995349.2A CN117249759B (en) | 2023-08-09 | 2023-08-09 | End plate mold closing detection method and system applied to tunnel segment steel mold |
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| CN117249759B true CN117249759B (en) | 2024-04-23 |
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