Nuclear power workshop double-ring shell prefabricated clamping fixture

Abstract

The utility model discloses a nuclear power workshop double-ring-shell prefabricated clamping fixture, and belongs to the technical field of nuclear power building construction. The clamping fixture comprises a clamping fixture body, the clamping fixture body comprises a cabin vertical clamping fixture support, an inner side clamping fixture frame and an outer side clamping fixture frame, the inner side clamping fixture frame and the outer side clamping fixture frame are correspondingly arranged on an inner ring and an outer ring of the cabin vertical clamping fixture support in the circumferential direction of the cabin vertical clamping fixture support, and a mounting groove is formed in the cabin vertical clamping fixture support; and one end part of the outer side jig frame is arranged in the mounting groove and is fixed through a fastener. According to the nuclear power workshop double-ring-shell prefabricated clamping fixture, an assembly type double-ring-shell type steel structure clamping fixture is formed, the positions of the installation grooves are optimized, and the clamping fixture is fixed through the fasteners, so that positioning installation of the clamping fixture is easier to achieve, installation is more time-saving and labor-saving, the whole installation period is obviously shortened, and the installation efficiency is improved. Heavy labor in the aspects of part arrangement and positioning during assembly is relieved, and the assembly time and the auxiliary action time are shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear power building construction, in particular to a double-ring shell prefabricated mold for a nuclear power workshop. Background Art

[0002] In nuclear power plants, a jig (also called a support) refers to a structural frame used to support and carry nuclear facilities, equipment, and piping systems. The jig is usually made of metal materials, such as steel, to ensure sufficient strength and stability.

[0003] Pipe supports have the following functions in nuclear power plants: They are used to support various equipment, such as steel structure modules, electric welding machines, pressure vessels, etc. They provide a stable support structure to ensure that the equipment can operate safely and bear weight loads. They are used to support and fix the piping system in nuclear power plants. The function of the pipe support is to ensure that the pipeline is stable, maintains the appropriate position and direction, and withstands the pressure of the fluid in the pipeline. They are used to provide a working platform so that workers can approach equipment, pipelines and other working areas, which is helpful for maintenance and repair work, as well as inspection, inspection and operation.

[0004] With the rapid development of nuclear power industry, conventional jigs have the problem of heavy labor in the installation and positioning of parts during assembly. Utility Model Content

[0005] The utility model aims to provide a double-ring shell prefabricated jig for a nuclear power workshop, so as to solve the problem of heavy labor in the installation and positioning of parts during assembly in conventional jigs.

[0006] The technical solution of the utility model to solve the above technical problems is as follows:

[0007] The utility model provides a double-ring shell prefabricated mold for a nuclear power workshop, comprising: a working platform and a mold body arranged on the working platform,

[0008] The tire body comprises: a cabin tire stand bracket, an inner tire frame and an outer tire frame, wherein the inner tire frame is arranged on the inner ring of the cabin tire stand bracket along the circumference of the cabin tire stand bracket, and the outer tire frame is arranged on the outer ring of the cabin tire stand bracket along the circumference of the cabin tire stand bracket;

[0009] The cabin tire support is provided with a mounting groove, one end of the outer tire frame is arranged in the mounting groove and fixed by a fastener; the bottom end of the outer tire frame is arranged on the working platform.

[0010] Furthermore, in the double-ring shell prefabricated mold of the nuclear power workshop, the cabin stand bracket includes: an annular fixing frame, a radial beam, a first annular beam and a second annular beam,

[0011] A plurality of radial beams are radially arranged on the circumference of the annular fixing frame, and the first annular beam and the second annular beam are arranged on the radial beam from inside to outside.

[0012] Further, in the double-ring shell prefabricated jig for a nuclear power plant, the first circumferential beam comprises: a first positioning bottom plate, and a plurality of the first positioning bottom plates are correspondingly arranged between adjacent radial beams;

[0013] The second annular beam comprises: a second positioning base plate, and a plurality of the second positioning base plates are correspondingly arranged between adjacent radial beams.

[0014] Furthermore, in the double-ring shell prefabricated jig for a nuclear power plant, a limiting plate is further provided between the first positioning base plate and the second positioning base plate between adjacent radial beams.

[0015] Further, in the double-ring shell prefabricated jig of the nuclear power workshop, the inner jig frame comprises: an inner column, a first annular layer plate and a second annular layer plate;

[0016] One end of the plurality of inner columns is correspondingly arranged on the radial beam, the first annular layer is arranged at the end of the plurality of inner columns away from the radial beam, the second annular layer is arranged on the plurality of inner columns, and the second annular layer is located between the first annular layer and the radial beam.

[0017] Furthermore, in the double-ring shell prefabricated mold of the nuclear power workshop, the inner tire frame also includes an inner support, a plurality of the inner supports are arranged between the annular fixing frame and the inner tire frame, and the two ends of the inner support are arranged on the radial beam and the inner column.

[0018] Furthermore, in the double-ring shell prefabricated jig for a nuclear power plant, the inner jig frame further comprises a connecting rod, the ends of which are connected to the inner support and the inner column.

[0019] Furthermore, in the double-ring shell prefabricated jig for a nuclear power plant, the outer jig frame comprises: outer columns, and one end portion of a plurality of the outer columns is correspondingly arranged on the radial beam.

[0020] Furthermore, in the double-ring shell prefabricated jig for a nuclear power plant, the outer jig frame further comprises an outer support, and the outer support is arranged on the outer side of the outer jig frame and on the working platform.

[0021] Furthermore, in the double-ring shell prefabricated jig for a nuclear power workshop, one end of the inner jig frame is arranged on the cabin jig support through a locking fixture.

[0022] The utility model has the following beneficial effects:

[0023] The double ring shell prefabricated jig for a nuclear power plant workshop provided by the utility model constitutes an assembled double ring shell steel structure jig. By optimizing the position of the installation groove and fixing it with fasteners, it is easier to achieve positioning and installation, which is more time-saving and labor-saving, and significantly shortens the entire installation cycle. The prefabricated jig is convenient for reducing the heavy labor of the installation and positioning of parts during assembly, shortening the assembly time and auxiliary action time. The assembled structure can also reduce the difficulty of operation caused by the previous welding position, avoid the errors caused, and improve the safety of the operators; reduce the time of turning over the weldment during welding and reduce the deformation of the weldment, so as to achieve accurate control of production costs and high production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The drawings described herein are used to provide a further understanding of the embodiments of the present utility model, constitute a part of this application, and do not constitute a limitation of the embodiments of the present utility model. In the drawings:

[0025] Figure 1 It is a structural schematic diagram of a double-ring shell prefabricated jig for a nuclear power plant of the utility model;

[0026] Figure 2 It is a structural schematic diagram of the mold body in the double-ring shell prefabricated mold for a nuclear power workshop of the utility model;

[0027] Figure 3 It is a structural schematic diagram of a cabin stand bracket in a double-ring shell prefabricated jig for a nuclear power workshop of the utility model;

[0028] Figure 4 The utility model is a schematic diagram of the local structure of the mold body of the double-ring shell prefabricated mold for a nuclear power workshop.

[0029] Marks and corresponding parts names in the attached drawings:

[0030] In the figure: 1-annular fixing frame, 2-radial beam, 3-first positioning base plate, 4-second positioning base plate, 5-limiting plate, 6-fastener, 7-inner column, 8-first annular layer plate, 9-second annular layer plate, 10-inner support, 11-connecting rod, 12-outer column, 13-outer support, 14-locking fixture. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example

[0034] Please refer to Figure 1-4 The embodiment of the utility model provides a double-ring shell prefabricated mold for a nuclear power plant workshop, comprising: a working platform and a mold body arranged on the working platform,

[0035] The tire body comprises: a cabin tire stand bracket, an inner tire frame and an outer tire frame, wherein the inner tire frame is arranged on the inner circle of the cabin tire stand bracket along the circumference of the cabin tire stand bracket, and the outer tire frame is arranged on the outer circle of the cabin tire stand bracket along the circumference of the cabin tire stand bracket;

[0036] A mounting groove is provided on the cabin tire support (specifically, the mounting groove is provided on the radial beam). One end of the outer tire frame is arranged in the mounting groove and fixed by a fastener 6; the bottom end of the outer tire frame is arranged on the working platform.

[0037] The double ring shell prefabricated jig for a nuclear power plant workshop provided by the utility model constitutes an assembled double ring shell steel structure jig, which is easier to position and install by optimizing the position of the installation groove and fixing it through the fastener 6, saving time and effort, and significantly shortening the entire installation cycle. The prefabricated jig is convenient for reducing the heavy labor of the installation and positioning of parts during assembly, shortening the assembly time and auxiliary action time, and the assembled structure can also reduce the difficulty of operation caused by the previous welding position, avoid the errors caused, and improve the safety of the operators; reduce the time of turning over the weldment during welding and reduce the deformation of the weldment, so as to achieve accurate control of production costs and high production efficiency.

[0038] In some feasible embodiments, the cabin tire support includes: an annular fixing frame 1, a radial beam 2, a first annular beam and a second annular beam,

[0039] A plurality of radial beams 2 are radially arranged on the circumference of the annular fixing frame 1, and the first annular beam and the second annular beam are arranged from inside to outside on the radial beam 2. The cabin stand frame forms the main frame of the cabin, and the diameters of the annular fixing frame 1, the first annular beam and the second annular beam increase in sequence, and the heights of the annular fixing frame 1, the first annular beam and the second annular beam are arranged from top to bottom, and the height of the annular fixing frame 1 is the highest.

[0040] In some feasible embodiments, the first annular beam includes: a first positioning base plate 3, and a plurality of first positioning base plates 3 are correspondingly arranged between adjacent radial beams 2;

[0041] The second annular beam comprises: a second positioning base plate 4, and a plurality of second positioning base plates 4 are correspondingly arranged between adjacent radial beams 2. The first annular beam and the second annular beam are composed of a plurality of positioning base plates and connected by a locking fixture 14, which makes installation easier and convenient for disassembly.

[0042] In some feasible embodiments, a limiting plate 5 is further provided between the first positioning base plate 3 and the second positioning base plate 4 between adjacent radial beams 2. The setting of the limiting plate 5 serves to fix the first positioning base plate 3 and the second positioning base plate 4, thereby improving the overall stability of the connection of the cabin tire support.

[0043] In some feasible embodiments, the inner tire frame includes: an inner column 7, a first annular layer 8 and a second annular layer 9;

[0044] One end of the plurality of inner columns 7 is correspondingly arranged on the radial beam 2, the first annular layer 8 is arranged at the end of the plurality of inner columns 7 away from the radial beam 2, the second annular layer 9 is arranged on the plurality of inner columns 7, and the second annular layer 9 is located between the first annular layer 8 and the radial beam 2. The inner frame serves as the first annular structure in the double ring shell prefabricated mold of the nuclear power workshop.

[0045] In some feasible embodiments, the inner tire frame further includes an inner support 10, a plurality of inner supports 10 are arranged between the annular fixing frame 1 and the inner tire frame, and both ends of the inner support 10 are arranged on the radial beam 2 and the inner column 7. The arrangement of the inner support 10 plays a role in supporting and stabilizing the inner column 7, thereby improving the installation stability of the inner tire frame on the cabin tire support.

[0046] In some feasible embodiments, the inner tire frame further includes a connecting rod 11, and the ends of the connecting rod 11 are connected to the inner support 10 and the inner column 7. The setting of the connecting rod 11 plays a role in supporting and stabilizing the inner support 10 and the inner column 7.

[0047] In some feasible embodiments, the outer tire frame includes: outer columns 12, and one end of multiple outer columns 12 is correspondingly arranged on the radial beam 2. The outer tire frame serves as the second annular structure in the double ring shell prefabricated mold of the nuclear power workshop, and forms a double ring structure with the inner tire frame of the first annular structure.

[0048] In some feasible embodiments, the outer tire frame further includes an outer support 13, which is arranged outside the outer tire frame and on the working platform. The outer support 13 is arranged to support and stabilize the outer column 12, thereby improving the installation stability of the outer tire frame on the cabin tire support. The middle screw rod of the outer support 13 is telescopically adjustable and is used to support and adjust the outer column 12 vertically.

[0049] In some feasible modes, one end of the inner tire frame is arranged on the cabin tire support through a locking fixture 14. Specifically, the bottom end of the inner column 7 and the radial beam 2 are connected through the locking fixture 14, which makes installation simpler and convenient for disassembly.

[0050] The double-ring shell prefabricated mold of the nuclear power workshop provided by the utility model adopts a steel structure, and a 25mm thick steel plate is selected for the working platform. The inner positioning bottom plate and the outer positioning bottom plate are arranged equally according to the outer contour size of the cabin, and the height of the positioning bottom plate is selected to be 30 centimeters. The annular fixing frame, radial beam, inner positioning bottom plate and outer positioning bottom plate are installed as required, and a limit plate (triangular stiffening plate, evenly arranged at intervals of 1 meter) is used to improve the stability of the inner and outer wall panels. The bottom of the inner column is installed on the inner positioning bottom plate and connected by a locking fixture. Optionally, the locking fixture is a fastener such as a bolt. The outer column is selected to be made of D152 seamless steel pipe. The outer column is divided into two sections. The bottom 30 centimeters is fixed to the working platform, and the top column is hinged to the bottom column with bolts.

[0051] The above specific implementation methods further illustrate the purpose, technical solutions and beneficial effects of the utility model in detail. It should be understood that the above are only specific implementation methods of the utility model and are not used to limit the protection scope of the utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A double ring shell prefabricated mold for a nuclear power plant, characterized in that: It comprises: a working platform and a mold body arranged on the working platform, The tire body comprises: a cabin tire stand bracket, an inner tire frame and an outer tire frame, wherein the inner tire frame is arranged on the inner ring of the cabin tire stand bracket along the circumference of the cabin tire stand bracket, and the outer tire frame is arranged on the outer ring of the cabin tire stand bracket along the circumference of the cabin tire stand bracket; The cabin tire support is provided with a mounting groove, one end of the outer tire frame is arranged in the mounting groove and is fixed by a fastener (6); the bottom end of the outer tire frame is arranged on the working platform.

2. The double ring shell prefabricated mold for a nuclear power plant according to claim 1, characterized in that: The cabin tire support comprises: an annular fixing frame (1), a radial beam (2), a first annular beam and a second annular beam, A plurality of radial beams (2) are radially arranged on the circumference of the annular fixing frame (1), and the first annular beam and the second annular beam are arranged on the radial beam (2) from the inside to the outside.

3. The double ring shell prefabricated mold for a nuclear power plant according to claim 2, characterized in that: The first annular beam comprises: a first positioning base plate (3), wherein a plurality of the first positioning base plates (3) are correspondingly arranged between adjacent radial beams (2); The second annular beam comprises: a second positioning base plate (4), and a plurality of the second positioning base plates (4) are correspondingly arranged between adjacent radial beams (2).

4. The double ring shell prefabricated mold for a nuclear power plant according to claim 3, characterized in that: A limiting plate (5) is also provided between the first positioning base plate (3) and the second positioning base plate (4) between adjacent radial beams (2).

5. The double ring shell prefabricated mold for a nuclear power plant according to claim 2, characterized in that: The inner tire frame comprises: an inner column (7), a first annular layer plate (8) and a second annular layer plate (9); One end of the plurality of inner columns (7) is correspondingly arranged on the radial beam (2), the first annular layer plate (8) is arranged at the end of the plurality of inner columns (7) away from the radial beam (2), the second annular layer plate (9) is arranged on the plurality of inner columns (7), and the second annular layer plate (9) is located between the first annular layer plate (8) and the radial beam (2).

6. The double ring shell prefabricated mold for a nuclear power plant according to claim 5, characterized in that: The inner tire frame also includes an inner support (10), a plurality of the inner supports (10) are arranged between the annular fixing frame (1) and the inner tire frame, and both ends of the inner support (10) are arranged on the radial beam (2) and the inner column (7).

7. The double ring shell prefabricated mold for a nuclear power plant according to claim 6, characterized in that: The inner tire frame also includes a connecting rod (11), the end of which is connected to the inner support (10) and the inner column (7).

8. The double ring shell prefabricated mold for a nuclear power plant according to claim 2, characterized in that: The outer tire frame comprises: outer columns (12), and one end portion of a plurality of the outer columns (12) is correspondingly arranged on the radial beam (2).

9. The double ring shell prefabricated mold for a nuclear power plant according to claim 1 or 8, characterized in that: The outer tire frame also includes an outer support (13), and the outer support (13) is arranged on the outer side of the outer tire frame and on the working platform.

10. The double ring shell prefabricated mold for a nuclear power plant according to claim 1, characterized in that: One end of the inner tire frame is arranged on the cabin tire support through a locking fixture (14).

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