Nuclear island reactor plant construction equipment integrated platform and climbing method thereof
By designing an integrated platform for construction equipment of the nuclear island reactor building, the problem of extended construction period caused by the stepped construction process of the inner and outer shells was solved, and the simultaneous construction of the inner and outer shells and the improvement of vertical transportation efficiency were achieved, thereby reducing construction costs.
Patent Information
- Application Number
- CN202211445529.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-18
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2042-11-18
AI Technical Summary
During the construction of the inner and outer shells of the nuclear island reactor building, the inner shell cantilevered triangular frame obstructs the outer shell structure, forming a stepped construction process, which prolongs the construction period. The formwork triangular frame has low load-bearing capacity, restricts material placement, has low vertical transportation efficiency, and the construction technology is complex and costly.
Design an integrated platform for construction equipment of nuclear island reactor building, including a steel platform system, a support and lifting system, a hanging frame and formwork system, and integrated construction equipment. The steel platform system is driven to climb by hydraulic components to realize the synchronous construction of the inner and outer shells. The integrated platform is supported on the inner and outer shell walls, and the multi-layer hanging frame realizes the assembly line operation. The overall load-bearing capacity is high, and equipment such as cranes and concrete placing machines can be directly arranged on the steel platform.
This allows for simultaneous construction of the inner and outer shell elevations, avoiding interference, improving vertical transportation efficiency, reducing construction time and costs, and adapting to multi-stage construction needs.
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Figure CN115680286B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of nuclear power plant nuclear island construction technology, and specifically to an integrated platform for nuclear island reactor building construction equipment and its climbing method. Background Technology
[0002] Currently, the construction formwork for the inner and outer shells of nuclear island reactor buildings mainly uses a large, curved formwork system with triangular hanging brackets. The use of this system presents the following problems:
[0003] First, the cantilevered triangular frame of the inner shell vertically obstructs the construction of the outer shell structure, creating a "stepped" construction sequence of inner shell, outer shell, and surrounding plant buildings, thus extending the overall construction period. Second, the formwork triangular frame has low load-bearing capacity, limiting the placement of construction materials to the outside of the surrounding plant buildings and restricting the storage area. Third, formwork must be transported upwards using external tower cranes, severely consuming their capacity. Furthermore, material transport, installation of embedded parts and through-holes all rely on external tower cranes, resulting in low vertical transportation efficiency. Fourth, under the existing technology, the construction of structures such as the reactor building's ASP water tank, corridor, and prestressed tendons requires additional ground-supported frames and related work platforms, making construction techniques complex, impacting both the construction period and significantly increasing construction costs. Summary of the Invention
[0004] The main objective of this invention is to provide an integrated platform for construction equipment of nuclear island reactor buildings and its climbing method, which aims to solve the problem of the "step-by-step" process of inner shell, outer shell and surrounding buildings in the existing construction of nuclear island reactor buildings, which restricts the total construction period.
[0005] To achieve the above objectives, this invention provides an integrated construction equipment platform for a nuclear island reactor building, comprising a steel platform system, a support and lifting system, a hanging frame and formwork system, and integrated construction equipment, wherein...
[0006] The support and lifting system is installed on the side of the nuclear island reactor building. The support and lifting system is located below the steel platform system to support its climbing relative to the nuclear island reactor building. The hanging frame and formwork system is installed below the steel platform system.
[0007] The steel platform system includes a circumferential steel truss, a radial main steel truss, and a radial secondary steel truss. The two ends of the radial main steel truss are connected to the innermost and outermost circumferential steel trusses, respectively. The radial secondary steel truss is disconnected above the outer shell of the nuclear island reactor building to facilitate the downward hoisting of the outer shell construction materials.
[0008] The integrated construction equipment includes a telescopic crane with a boom fixed on a steel platform, a concrete placing boom, an aerial work platform vehicle, a circular track installed at the bottom of the hanging frame and formwork system, a ring crane slidably connected to the circular track, and a top-section downward-extending transport device connected to the steel platform.
[0009] Preferably, the support and lifting system includes load-bearing components, support components, climbing components, steel columns, and hydraulic components. The load-bearing components are detachably installed on the side of the nuclear island reactor building. The top of the steel column is fixedly connected to the steel platform system, and the bottom is fixedly connected to the support component. The bottom of the hydraulic component is fixed inside the climbing component, and the top is connected to the support component to support its climbing.
[0010] Preferably, the support member, climbing member, and load-bearing member are detachably connected by a claw or pin.
[0011] Preferably, a crane is fixed on the steel platform system, the crane column is fixedly connected to the steel platform, and the crane boom is telescopic.
[0012] Preferably, a concrete placing boom is fixed on the steel platform system.
[0013] Preferably, a circular working track is installed above the steel platform system, and the aerial work vehicle is slidably installed on the circular working track, and the aerial work vehicle can be raised and lowered.
[0014] Preferably, the steel platform system is connected to multiple top-sectioned downward-extending transport devices.
[0015] Preferably, the nuclear island reactor building construction equipment integration platform also includes construction elevators located on both sides of the buttress columns. The construction elevators include standard construction elevator sections that can be detachably installed on the side of the nuclear island reactor building and ladder cages installed on the standard construction elevator sections and movable up and down relative to them.
[0016] Preferably, the steel platform system includes a detachably connected outer cantilever platform and an inner cantilever platform. After the connecting rods of the outer and inner cantilever platforms are disassembled, the outer cantilever platform is attached to the outer shell of the nuclear island reactor building through the outer cantilever platform support point, and the inner cantilever platform is attached to the outer shell of the nuclear island reactor building through the inner cantilever platform support point. An operating frame and prestressing tensioning equipment are arranged on the top of the inner cantilever platform.
[0017] This invention further proposes a climbing method based on the above-mentioned integrated platform for nuclear island reactor building construction equipment, comprising the following steps:
[0018] Connect the climbing component to the load-bearing component, and disconnect the support component from the load-bearing component;
[0019] The hydraulic cylinders extend through the hydraulic components, driving the support components to lift the steel columns, steel platform system, hanging frame and formwork system and other auxiliary construction equipment and facilities as a whole.
[0020] Once the integrated platform has climbed into position, connect the support components to the corresponding load-bearing components;
[0021] Disconnect the climbing component from the load-bearing component, retract the hydraulic cylinder, and drive the climbing component to climb upward;
[0022] After the climbing component reaches its designated position, it is connected to the corresponding load-bearing component.
[0023] The integrated platform for nuclear island reactor building construction equipment proposed in this invention has the following beneficial effects:
[0024] 1. Because the integrated platform is supported on the inner and outer shell walls, and multi-layer hanging brackets are used to realize multi-layer flow operation of the inner and outer shells, the interference of existing template technology is avoided, and the inner and outer shells are constructed at the same elevation. The construction of the surrounding plant and the outer shell is decoupled, which solves the problem of the "step-like" process of the inner shell, outer shell and surrounding plant in the existing construction of the nuclear island reactor building that restricts the overall construction period.
[0025] 2. The steel platform system is composed of multiple radial and annular spatial trusses, with high overall load-bearing capacity and rigidity. It can provide a loading platform for the construction of the reactor building. At the same time, heavy equipment such as cranes, concrete placing booms, and elevators can be directly placed on the steel platform and climb synchronously with the formwork, effectively improving vertical transportation efficiency and eliminating the need for separate lifting and planar repositioning of large construction equipment.
[0026] 3. The steel platform system can be modified to adapt to the multi-stage construction of the reactor building, reducing the need for additional measures to be erected during structural construction, and saving time and costs. Attached Figure Description
[0027] Figure 1 This is a cross-sectional structural schematic diagram of the integrated platform for nuclear island reactor building construction equipment of the present invention;
[0028] Figure 2 This is a schematic diagram of the steel platform system in the nuclear island reactor building construction equipment integration platform of the present invention;
[0029] Figure 3 This is a schematic diagram of the support and lifting system in the integrated platform for nuclear island reactor building construction equipment of the present invention;
[0030] Figure 4 This is a schematic diagram of the hoisting equipment in the ring corridor of the nuclear island reactor building construction equipment integration platform of the present invention;
[0031] Figure 5 This is a schematic diagram of the plan structure of the crane in the integrated platform for construction equipment of the nuclear island reactor building of the present invention;
[0032] Figure 6 This is a schematic diagram of the elevation structure of the crane in the integrated platform for construction equipment of the nuclear island reactor building of the present invention;
[0033] Figure 7This is a schematic diagram of the concrete placing boom in the integrated platform for nuclear island reactor building construction equipment of the present invention;
[0034] Figure 8 This is a schematic diagram of the aerial work vehicle in the integrated platform for construction equipment of the nuclear island reactor building of the present invention;
[0035] Figure 9 This is a schematic diagram of the top-sectioned downward-extending transport device in the integrated platform for construction equipment of the nuclear island reactor building of the present invention;
[0036] Figure 10 This is a schematic diagram of the layout of the construction elevators in the integrated platform for construction equipment of the nuclear island reactor building of the present invention;
[0037] Figure 11 This is a schematic diagram of the elevation layout of the construction elevator in the nuclear island reactor building construction equipment integration platform of the present invention.
[0038] Figure 12 This is a schematic diagram of the modified structure of the nuclear island reactor building construction equipment integration platform of the present invention.
[0039] In the diagram: 1-Outer shell, 2-Inner shell, 3-Steel lining, 4-Steel platform system, 4.1-Circular steel truss, 4.2-Radial main steel truss, 4.3-Radial secondary steel truss, 5-Support and lifting system, 5.1-Bearing component, 5.2-Support component, 5.3-Climbing component, 5.4-Steel column, 5.5-Hydraulic assembly, 6-Hanging frame and formwork system, 7-Integrated construction equipment, 7.1-Circular track, 7.2-Circular crane, 8-Cranial crane, 8.1-Cranial crane 8.2-Uprights, 9-Concrete placing boom, 10.1-Circular working track, 10.2-Aerial work platform, 11-Top-section downward-extending transport device, 12-Surrounding factory buildings, 13-Construction elevator, 13.1-Standard section of construction elevator, 13.2-Cage, 14-Buttress column, 15.1-External cantilever platform, 15.2-External cantilever platform support point, 16.1-Internal cantilever platform, 16.2-Internal cantilever platform support point, 17-Ring beam.
[0040] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation
[0041] It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
[0042] It should be noted that in the description of this invention, the terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0043] This invention proposes an integrated platform for construction equipment of nuclear island reactor buildings.
[0044] Reference Figures 1 to 11 In this preferred embodiment, a construction equipment integration platform for a nuclear island reactor building includes a steel platform system 4 (providing space for the arrangement of various equipment and facilities), a support and lifting system 5, a hanging frame and formwork system 6, and integrated construction equipment 7, wherein...
[0045] The support and lifting system 5 is installed on the side of the nuclear island reactor building (it can be selectively attached to the outside of the inner shell 2, the inside of the outer shell 1, or the outside of the outer shell 1). The support and lifting system 5 is located below the steel platform system 4 to support its climbing relative to the nuclear island reactor building. The hanger and formwork system 6 is suspended and installed below the steel platform system 4.
[0046] The steel platform system 4 includes a circumferential steel truss 4.1, a radial main steel truss 4.2, and a radial secondary steel truss 4.3. The two ends of the radial main steel truss 4.2 are connected to the innermost circumferential steel truss 4.1 and the outermost circumferential steel truss 4.1, respectively. The radial secondary steel truss 4.3 is disconnected above the outer shell 1 of the nuclear island reactor building to facilitate the downward hoisting of the construction materials of the outer shell 1.
[0047] The construction integrated equipment 7 includes a ring track 7.1 installed at the bottom of the hanging frame and formwork system 6, and multiple ring cranes 7.2 slidably connected to the ring track 7.1. The ring track 7.1 is located between the outer shell 1 and the inner shell 2 of the nuclear island reactor building.
[0048] The hanging frame and formwork system 6 is connected to the steel platform system 4 below and arranged on both sides of the shell to meet the requirements of multi-level simultaneous construction. It can provide a working platform for shell reinforcement binding, embedded part installation, formwork erection, concrete pouring, and concrete curing at the same time. The hanging frame is equipped with an inclined ladder to facilitate personnel to move up and down between the floors.
[0049] The steel platform system 4 has a ring-shaped plan and is arranged above the inner shell 2 and the outer shell 1. The steel platform system 4 integrates equipment facilities and work rooms.
[0050] The steel platform system 4 consists of at least three radial and at least two annular space trusses. It has high overall load-bearing capacity and high rigidity, and can provide a loading platform for reactor construction. At the same time, heavy equipment such as cranes, concrete placing booms, and elevators can be directly placed on the steel platform system 4 and climb synchronously with the platform along with the formwork, which effectively improves vertical transportation efficiency and eliminates the need for separate lifting and planar repositioning operations for large construction equipment.
[0051] The construction components of the ring corridor are hoisted to the completed ring corridor platform between the inner shell 2 and the outer shell 1 by an external tower crane. Then, the ring crane 7.2 hoists the materials to the corresponding positions for installation. The installed ring corridor platform can also serve as a stacking platform for the construction materials of the ring corridor on the next level.
[0052] Specifically, refer to Figure 3 This embodiment presents a specific structure of a support and lifting system 5: the support and lifting system 5 includes a load-bearing component 5.1, a support component 5.2, a climbing component 5.3, a steel column 5.4, and a hydraulic assembly 5.5. The load-bearing component 5.1 is detachably installed on the side of the nuclear island reactor building. The top of the steel column 5.4 is fixedly connected to the steel platform system 4, and the bottom is fixedly connected to the support component 5.2. The bottom of the hydraulic assembly 5.5 is fixed inside the climbing component 5.3, and the top is connected to the support component 5.2 to support its climbing.
[0053] Specifically, the support component 5.2, the climbing component 5.3, and the load-bearing component 5.1 are detachably connected via hooks or pins. For example, the support component 5.2 and the climbing component 5.3 may be equipped with corresponding hooks, and the load-bearing component 5.1 may have multiple mounting brackets (two rows of brackets can be installed vertically) that engage with the hooks in the height direction, with the hooks and brackets engaging. Alternatively, mounting brackets may be installed on the support component, and hooks may be installed on the load-bearing component. The load-bearing component 5.1 can be selectively attached to the outer side of the inner shell 2, the inner side of the outer shell 1, or the outer side of the outer shell 1, transferring the entire load of the platform to the factory shell and driving the platform to climb or descend as a whole. The climbing component 5.3 may adopt a frame structure, with multiple hooks installed on both sides of the frame structure.
[0054] The working process of this support and lifting system 5 is as follows:
[0055] 1. Connect the climbing component 5.3 to the load-bearing component 5.1, and disconnect the support component 5.2 from the load-bearing component 5.1;
[0056] 2. Control the extension of the hydraulic cylinder of hydraulic component 5.5, thereby driving the support component 5.2 to lift the steel column 5.4, steel platform system 4, hanging frame and formwork system 6 and other auxiliary construction equipment and facilities as a whole;
[0057] 3. After the integrated platform has climbed to its position, connect the support component 5.2 to the corresponding load-bearing component 5.1;
[0058] 4. Disconnect the climbing component 5.3 from the load-bearing component 5.1, control the hydraulic cylinder of the hydraulic assembly 5.5 to retract, thereby driving the climbing component 5.3 to climb upward;
[0059] 5. After the climbing component 5.3 has climbed to the correct position, connect the climbing component 5.3 to the load-bearing component 5.1 at the corresponding position.
[0060] Furthermore, referring to Figure 5 and Figure 6 A crane 8 (multiple cranes can be installed) is fixed on the steel platform system 4. The column 8.2 of the crane 8 is fixedly connected to the steel platform, and the crane boom 8.2 is telescopic. The crane boom 8.2 can be at different elevation angles with the column 8.2. The crane 8 serves the transfer and hoisting of the inner shell 2, outer shell 1, steel lining, and even internal structural materials.
[0061] Furthermore, referring to Figure 7 A concrete placing boom 9 is fixed on the steel platform system 4. During the construction phase of the inner shell 2 dome, the concrete placing boom 9 can extend to the center of the reactor building plane, thereby completing the concrete pouring of the inner shell 2 dome.
[0062] Furthermore, referring to Figure 8 A circular working track 10.1 is installed above the steel platform system 4. The aerial work platform vehicle 10.2 is slidably installed on the circular working track 10.1 and can be raised and lowered. The aerial work platform vehicle 10.2 can be raised and lowered, so that it can be used for welding of steel lining 3 and installation of through parts at different heights.
[0063] Furthermore, referring to Figure 9 The steel platform system 4 is connected to multiple top-section downward-extending transport devices 11 (using existing structures). These top-section downward-extending transport devices 11 are fixedly connected to the steel platform system 4 but not to the surrounding factory buildings 12. The top-section downward-extending transport devices 11 rise as the steel platform system 4 is lifted, and then a standard elevator section is added to the top and extends downwards. By installing the top-section downward-extending transport devices 11, construction personnel can access the integrated platform from the top of the surrounding factory buildings 12.
[0064] Furthermore, referring to Figure 10 and Figure 11 The integrated platform for construction equipment of the nuclear island reactor building also includes construction elevators 13 located on both sides of the buttress 14. The construction elevators 13 include a standard section 13.1 of the construction elevator that can be detachably installed on the side of the nuclear island reactor building, and a cage 13.2 installed on the standard section 13.1 of the construction elevator and movable up and down relative to it.
[0065] By installing a construction elevator 13, construction personnel can ascend from the inner and outer shell to the hanging frame and enter the steel platform for work. The ladder cage 13.2 can carry personnel and equipment for prestressed steel tensioning operations and move up and down along the standard section 13.1 of the construction elevator to the designated position to carry out horizontal prestressing tensioning operations on the side of the buttress column 14.
[0066] The working process of construction elevator 13 is as follows:
[0067] 1. Disconnect the connection between the standard section 13.1 of the construction elevator and the hanging frame and formwork system 6;
[0068] 2. The hanging frame and formwork system 6 rises as the integrated platform is lifted;
[0069] 3. The standard section 13.1 of the construction elevator was hoisted in, and the section addition work was carried out;
[0070] 4. Reconnect the standard section 13.1 of the construction elevator to the hanging frame and formwork system 6, and the elevator cage 13.2 can run to the bottom of the hanging frame and formwork system 6.
[0071] Furthermore, referring to Figure 12 The steel platform system 4 includes a detachably connected outer cantilever platform 15.1 and an inner cantilever platform 16.1. After disassembling the connecting rods of the outer cantilever platform 15.1 and the inner cantilever platform 16.1, the outer cantilever platform 15.1 is attached to the outside of the outer shell 1 of the nuclear island reactor building via the outer cantilever platform support 15.2, and the inner cantilever platform 16.1 is attached to the outside of the inner shell 2 of the nuclear island reactor building via the inner cantilever platform support 16.2. An operating frame and prestressing tensioning equipment are arranged on the top of the inner cantilever platform 16.1. Both the outer cantilever platform 15.1 and the inner cantilever platform 16.1 are steel truss structures.
[0072] The outer cantilever platform 15.1 is attached to the outside of the outer shell 1 and serves as a support for the construction of the ASP water tank bottom plate; the inner cantilever platform 16.1 is attached to the outside of the inner shell 2 and serves as a construction platform for the ring beam, Gamma prestressed tendon tensioning and a rainproof platform.
[0073] The dismantling and modification process of this integrated platform is as follows:
[0074] 1. Install the outer cantilever platform support point 15.2 and the inner cantilever platform support point 16.2 on the outer side of the outer shell 1 and the outer side of the inner shell 2, respectively;
[0075] 2. Remove the integrated equipment and workroom on top of the steel platform system 4;
[0076] 3. Connect the steel platform system 4 to the inner cantilever platform support point 16.2;
[0077] 4. Remove part of the steel truss of the upper steel platform system 4 of the outer shell 1, so that the steel platform system 4 is divided into two parts. The inner cantilever platform 16.1 is attached to the outside of the inner shell 2 through the inner cantilever platform support 16.2, and the outer cantilever platform 15.1 is attached to the outside of the outer shell 1 through the support and lifting system 5.
[0078] 5. The cantilever platform 15.1 is lowered by the support and lifting system 5, and the cantilever platform 15.1 reaches the height of the cantilever platform fulcrum 15.2;
[0079] 6. Connect the cantilever platform 15.1 to the cantilever platform fulcrum 15.2, and convert the support of the cantilever platform 15.1;
[0080] 7. Remove the support and jacking system 5.
[0081] The integrated platform for nuclear island reactor building construction equipment proposed in this invention has the following beneficial effects:
[0082] 1. Because the integrated platform is supported on the inner and outer shell 1 walls, and multi-layer hanging frames are used to realize multi-layer flow operation of inner and outer shell 1, the interference of existing process formwork frames is avoided, and the inner shell 2 and outer shell 1 are constructed at the same elevation. The construction of the surrounding plant 12 is decoupled from that of outer shell 1, which solves the problem of the "step-like" process of inner shell 2, outer shell 1 and surrounding plant 12 restricting the overall construction period in the existing construction of nuclear island reactor building;
[0083] 2. The steel platform system 4 is composed of multiple radial and annular spatial trusses, with high overall load-bearing capacity and high rigidity. It can provide a loading platform for reactor construction. At the same time, heavy equipment such as cranes 8, concrete placing booms 9, and elevators can be directly placed on the steel platform and climb synchronously with the platform along with the formwork, effectively improving vertical transportation efficiency and eliminating the need for separate lifting and planar repositioning of large construction equipment.
[0084] 3. The steel platform system 4 can be modified to adapt to the multi-stage construction of the reactor building, reducing the need for additional measures to be erected during structural construction, and saving time and costs.
[0085] The present invention further proposes a climbing method for an integrated platform for construction equipment of a nuclear island reactor building.
[0086] In this preferred embodiment, a climbing method based on the above-mentioned integrated platform for construction equipment of nuclear island reactor building includes the following steps:
[0087] Step S10: Connect the climbing component 5.3 to the load-bearing component 5.1, and disconnect the connection between the support component 5.2 and the load-bearing component 5.1;
[0088] In step S20, the hydraulic cylinder of hydraulic component 5.5 extends, driving support component 5.2 to lift steel column 5.4, steel platform system 4, hanging frame and formwork system 6 and other auxiliary construction equipment and facilities as a whole.
[0089] Step S30: After the integrated platform has climbed to the position, connect the support 5.2 with the corresponding load-bearing component 5.1;
[0090] Step S40: Disconnect the climbing component 5.3 from the load-bearing component 5.1, retract the cylinder of the hydraulic assembly 5.5, and drive the climbing component 5.3 to climb upward;
[0091] In step S50, after the climbing component 5.3 has climbed to its position, the climbing component 5.3 is connected to the load-bearing component 5.1 at the corresponding position.
[0092] The above are merely preferred embodiments of the present invention and do not limit the patent scope of the present invention. Any equivalent structural transformations made based on the description and drawings of the present invention, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present invention.
Claims
1. An integrated platform for construction equipment of a nuclear island reactor building, characterized in that, This includes a steel platform system, a support and lifting system, a hanging frame and formwork system, and integrated construction equipment. The support and lifting system is installed on the side of the nuclear island reactor building. The support and lifting system is located below the steel platform system to support its climbing relative to the nuclear island reactor building. The hanging frame and formwork system is installed below the steel platform system. The steel platform system includes a circumferential steel truss, a radial main steel truss, and a radial secondary steel truss. The two ends of the radial main steel truss are connected to the innermost and outermost circumferential steel trusses, respectively. The radial secondary steel truss is disconnected above the outer shell of the nuclear island reactor building to facilitate the downward hoisting of the outer shell construction materials. The integrated construction equipment includes a telescopic crane with a boom fixed on a steel platform, a concrete placing boom, an aerial work platform vehicle, a circular track installed at the bottom of the hanging frame and formwork system, a ring crane slidably connected to the circular track, and a top-section downward-extending transport device connected to the steel platform. The steel platform system includes a detachably connected outer cantilever platform and an inner cantilever platform. After the connecting rods of the outer and inner cantilever platforms are disassembled, the outer cantilever platform is attached to the outer shell of the nuclear island reactor building through the outer cantilever platform support point, and the inner cantilever platform is attached to the outer shell of the nuclear island reactor building through the inner cantilever platform support point. An operating frame and prestressing tensioning equipment are arranged on the top of the inner cantilever platform.
2. The integrated equipment platform for nuclear island reactor building construction as described in claim 1, characterized in that, The support and lifting system includes load-bearing components, support components, climbing components, steel columns, and hydraulic components. The load-bearing components are detachably installed on the side of the nuclear island reactor building. The top of the steel column is fixedly connected to the steel platform system, and the bottom is fixedly connected to the support component. The bottom of the hydraulic component is fixed inside the climbing component, and the top is connected to the support component to support its climbing.
3. The integrated equipment platform for nuclear island reactor building construction as described in claim 2, characterized in that, The support, climbing, and load-bearing components are detachably connected via hooks or pins.
4. The integrated equipment platform for nuclear island reactor building construction as described in claim 2, characterized in that, A crane is fixed on the steel platform system, the crane column is fixedly connected to the steel platform, and the crane boom is telescopic.
5. The integrated equipment platform for nuclear island reactor building construction as described in claim 2, characterized in that, A concrete placing boom is fixed on the steel platform system.
6. The integrated equipment platform for nuclear island reactor building construction as described in claim 2, characterized in that, A circular working track is installed above the steel platform system, and the aerial work vehicle is slidably installed on the circular working track, and the aerial work vehicle can be raised and lowered.
7. The integrated equipment platform for nuclear island reactor building construction as described in claim 2, characterized in that, The steel platform system is connected to multiple top-sectioned, downward-extending transport devices.
8. The integrated equipment platform for nuclear island reactor building construction as described in claim 2, characterized in that, It also includes construction elevators located on both sides of the buttresses. The construction elevators include standard construction elevator sections that can be detachably installed on the side of the nuclear island reactor building and a cage that is installed on the standard construction elevator sections and can move up and down relative to them.
9. A climbing method based on the integrated construction equipment platform for nuclear island reactor building as described in any one of claims 2 to 8, characterized in that, Includes the following steps: Connect the climbing component to the load-bearing component, and disconnect the support component from the load-bearing component; The hydraulic cylinders extend through the hydraulic components, driving the support components to lift the steel columns, steel platform system, hanging frame and formwork system and other auxiliary construction equipment and facilities as a whole. Once the integrated platform has climbed into position, connect the support components to the corresponding load-bearing components; Disconnect the climbing component from the load-bearing component, retract the hydraulic cylinder, and drive the climbing component to climb upward; After the climbing component reaches its designated position, it is connected to the corresponding load-bearing component.
Citation Information
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