Climbing type suspension operation frame for high and large independent nuclear power column

Abstract

The utility model discloses a climbing type suspension handling frame for a nuclear power tall independent column, which comprises a fixing mechanism, an operating platform mechanism and a personnel ladder stand mechanism, the fixing mechanism comprises a pre-embedded cone and a connecting piece, the pre-embedded cone is pre-embedded in a concrete column structure, and the connecting piece is connected with the operating platform mechanism. The edge, close to the concrete column structure, of the operation platform mechanism is fixedly connected with the embedded cone through a connecting piece, a personnel ladder stand mechanism is installed on the operation platform mechanism, the personnel ladder stand mechanism extends downwards and can allow constructors to climb upwards to the operation platform mechanism, and a scaffold connecting piece is arranged at the upper end of the operation platform mechanism. The operation platform mechanism and the concrete column structure are conveniently and stably connected through the embedded cone and the connecting piece, the convenience of disassembly and assembly of the operation platform mechanism is guaranteed, and therefore the safety of disassembly and assembly construction is improved; meanwhile, the scaffold connecting pieces are arranged and matched with the connecting steel pipes, so that a means for continuously installing the required operation platform mechanism upwards can be conveniently and rapidly provided.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering suspension operating frames, in particular to a climbing suspension operating frame used for tall independent columns of nuclear power plants. Background Art

[0002] Tall independent concrete column structures are widely set in the main structure of nuclear power plants. Such columns have large cross-sections and high heights. However, the existing construction operation frames used for such columns are affected by the tall independent concrete column structures, making it inconvenient to disassemble and assemble the frames, which seriously affects the construction progress and construction safety, and the turnover efficiency of the frame turnover materials is low.

[0003] Therefore, there is an urgent need for a climbing suspension operating frame for tall independent columns of nuclear power plants to solve the problem of inconvenient assembly and disassembly of the frame for tall independent columns of nuclear power plants. Utility Model Content

[0004] The utility model aims at the deficiencies in the prior art and provides a climbing suspension operating frame for a tall independent column of a nuclear power plant, so as to solve the problem that it is inconvenient to disassemble and assemble the frame for the tall independent column of the nuclear power plant.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A climbing suspension operating frame for tall independent columns of nuclear power plants, characterized in that it comprises a fixing mechanism, an operating platform mechanism and a personnel ladder mechanism, wherein the fixing mechanism comprises an embedded cone and a connecting piece, wherein the embedded cone is embedded in a concrete column structure, wherein the edge of the operating platform mechanism close to the concrete column structure is fixedly connected to the embedded cone through a connecting piece, wherein a personnel ladder mechanism is installed on the operating platform mechanism, wherein the personnel ladder mechanism is extended downward and can be used for construction personnel to climb upward to the operating platform mechanism, wherein a scaffolding connecting piece is provided at the upper end of the operating platform mechanism, wherein the scaffolding connecting piece can be used for installing a connecting steel pipe, and the connecting steel pipe is used to connect and support another operating platform mechanism upward.

[0007] To optimize the above technical solutions, the specific measures taken also include:

[0008] Furthermore, the connecting member includes a bolt and a connecting seat, and the connecting seat is installed on the edge of the operating platform mechanism. The upper end of the connecting seat is provided with a mounting groove, and the end of the connecting seat close to the embedded cone is provided with a connecting hole that penetrates into the mounting groove. The embedded cone is provided with a threaded hole extending into the interior of the concrete column structure. The bolt is installed into the mounting groove from the notch at the upper end of the mounting groove, and the end of the bolt that can pass through the connecting hole is passed through the connecting hole and threadedly connected to the threaded hole of the embedded cone, thereby fixing the connecting seat and the embedded cone.

[0009] Furthermore, the end of the bolt that cannot pass through the connecting hole is pressed and fixed to a side of the mounting groove, and a pad is provided between the end and the mounting groove.

[0010] Furthermore, the flared end of the embedded cone is located on the surface of the concrete column structure, the contracted end of the embedded cone is located inside the concrete column structure, and an extension rod is axially extended inwardly, and a reinforcement disc is vertically provided at the extended end of the extension rod.

[0011] Furthermore, the personnel ladder mechanism includes a ladder protection, a ladder main body and a manhole cover. The ladder protection is installed on the upper end of the operating platform mechanism. A manhole for construction personnel to pass through is opened in the middle of the ladder protection. An installation through hole corresponding to the manhole is opened on the operating platform mechanism. The ladder main body passes through the installation through hole from bottom to top and is fixedly connected to the ladder protection. A manhole cover for covering the manhole is hinged on the ladder protection.

[0012] Furthermore, the operating platform mechanism includes several main steel sections, several patterned steel plates and supporting pads. Several of the main steel sections are interconnected in a grid shape to form the skeleton of the operating platform mechanism. Several of the patterned steel plates are covered and laid on the skeleton formed by the main steel sections as an operating plane. The staggered joints of several main steel sections are connected to the scaffolding connecting plates through supporting pads.

[0013] Furthermore, it also includes a connecting mechanism, which includes a large square steel pipe and a small square steel pipe. A connecting support is provided at the edge of the operating platform mechanism that is not close to the concrete column structure. The connecting support is connected to one end of the large square steel pipe. The small square steel pipe is inserted from the other end of the large square steel pipe and slidably set in the inner cavity of the large square steel pipe. The end of the small square steel pipe extending out of the large square steel pipe is used to connect to the connecting support on another adjacent operating platform mechanism.

[0014] Furthermore, the end of the small square steel tube located in the inner cavity of the large square steel tube is provided with a circle of expanded edge, the inner cavity of the large square steel tube is provided with a first limit baffle, the end of the large square steel tube through which the small square steel tube can be extended is set as a necking that only allows the small square steel tube to extend, and the expanded edge of the small square steel tube slides between the first limit baffle and the necking.

[0015] Furthermore, it also includes a protective mechanism, which includes a plurality of columns and a protective mesh. A plurality of columns are installed at intervals on the edge of the operating platform mechanism that does not require construction, and a protective mesh arranged around the operating platform mechanism is installed between the columns.

[0016] Furthermore, it also includes an extended support column and a diagonal support column. The edge of the operating platform mechanism used to connect with the embedded cone is downwardly installed with an extended support column, and the lower end of the extended support column is provided with a connecting piece. The embedded cone of the extended support column is correspondingly embedded in the concrete column structure, and the connecting piece of the extended support column is used for fixed connection with the embedded cone of the extended support column. A diagonal support column for support is also diagonally connected between the lower end of the extended support column and the operating platform mechanism.

[0017] The beneficial effects of the utility model are:

[0018] The utility model conveniently and stably connects the operating platform mechanism to the concrete column structure through the embedded cone and the connecting piece, which ensures the convenience of disassembly and assembly of the operating platform mechanism, thereby increasing the safety of disassembly and assembly construction; at the same time, through the setting of the scaffolding connecting piece, in conjunction with the connecting steel pipe, a means of conveniently providing the operating platform mechanism required for continuous upward installation can be provided.

[0019] The utility model can increase the quickness and timeliness of the disassembly and assembly of the suspension operating frame required for the construction of the concrete column structure, increase the functionality and safety of the suspension operating frame, and compared with the traditional operating platform, reduce the amount of material used, can effectively carry out the turnover of materials, and effectively reduce costs. The utility model has a simple structure, is easy to manufacture and install, is easy to disassemble and install, and can be reused. It not only meets the versatility of the use of components, but also improves the construction safety and convenience of the operation platform during the erection and use process. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the overall structure of a climbing suspension operating frame for a tall independent column of a nuclear power plant proposed by the utility model;

[0021] Figure 2 This is a structural schematic diagram of a fixing mechanism of a climbing suspension operating frame for a tall independent column of a nuclear power plant proposed by the utility model;

[0022] Figure 3 This is a partial structural schematic diagram of a climbing suspension operating frame for a tall independent column of a nuclear power plant proposed by the utility model;

[0023] Figure 4 This is a structural schematic diagram of a personnel climbing ladder mechanism of a climbing suspension operating frame for a tall independent column of a nuclear power plant proposed by the utility model;

[0024] Figure 5 This is a structural schematic diagram of a connection mechanism of a climbing suspension operating frame for a tall independent column of a nuclear power plant proposed by the utility model;

[0025] Figure 6The utility model is a schematic diagram of the installation of a scaffolding connecting piece of a climbing suspension operating frame for a tall independent column of a nuclear power plant.

[0026] Figure numerals: 1. fixing mechanism; 2. operating platform mechanism; 3. personnel ladder mechanism; 4. connecting mechanism; 5. enclosure mechanism; 6. embedded cone; 7. pad; 8. bolt; 9. scaffolding connecting plate; 10. main steel; 11. ladder protection; 12. ladder body; 13. patterned steel plate; 14. support pad; 15. manhole cover; 16. large square steel pipe; 17. small square steel pipe; 18. column; 19. enclosure mesh; 20. connecting support; 21. extension support column; 22. diagonal support column. DETAILED DESCRIPTION

[0027] The utility model is described in detail below with reference to the accompanying drawings.

[0028] As attached Figure 1 As shown, a climbing suspension operating frame for tall independent columns of nuclear power plants according to an embodiment of the utility model comprises a fixing mechanism 1, an operating platform mechanism 2 and a personnel ladder mechanism 3. The fixing mechanism 1 comprises an embedded cone 6 and a connecting piece. The embedded cone 6 is embedded in a concrete column structure. The edge of the operating platform mechanism 2 close to the concrete column structure is fixedly connected to the embedded cone 6 through a connecting piece. The operating platform mechanism 2 is provided with a personnel ladder mechanism 3, which is extended downward and can be used for construction personnel to climb upward to the operating platform mechanism 2. A scaffolding connecting piece 9 is provided at the upper end of the operating platform mechanism 2. The scaffolding connecting piece 9 can be used to install a connecting steel pipe, and the connecting steel pipe is connected upward to support another operating platform mechanism 2.

[0029] The utility model conveniently and stably connects the operating platform mechanism 2 to the concrete column structure through the embedded cone 6 and the connecting parts, which ensures the convenience of disassembly and assembly of the operating platform mechanism 2, thereby increasing the safety of disassembly and assembly construction; at the same time, through the setting of the scaffolding connecting plate 9, it is possible to conveniently provide a means for continuously installing the operating platform mechanism 2 required upwards in cooperation with the connecting steel pipe. When in use, it is sufficient to embed the corresponding embedded cone 6 in the concrete column structure, and the use height of the connecting steel pipe can be freely adjusted to ensure that the upper operating platform mechanism 2 can stably dock with the corresponding embedded cone 6.

[0030] As attached Figure 2As shown, in another specific embodiment, the connecting member includes a bolt 8 and a connecting seat, the edge of the operating platform mechanism 2 is installed with a connecting seat, the upper end of the connecting seat is provided with a mounting groove, the end of the connecting seat close to the embedded cone 6 is provided with a connecting hole that penetrates the mounting groove, the embedded cone 6 is provided with a threaded hole extending into the interior of the concrete column structure, the bolt 8 is installed into the mounting groove from the notch at the upper end of the mounting groove, and the end of the bolt 8 that can pass through the connecting hole is passed through the connecting hole and threadedly connected to the threaded hole of the embedded cone 6, so as to fix the connecting seat with the embedded cone 6. In this way, when in use, the operating platform mechanism 2 and the embedded cone 6 can be conveniently and stably fixedly connected in a detachable manner through the arrangement of the bolt 8 and the connecting seat.

[0031] Among them, in the above embodiment, the end of the bolt 8 that cannot pass through the connection hole is pressed and fixed with the installation groove, and a pad 7 is provided between the installation groove. In this way, the stability and reliability of the connection between the bolt 8 fastening the connection seat and the embedded cone 6 are increased by the pad 7.

[0032] In another specific embodiment, the flared end of the embedded cone 6 is located on the surface of the concrete column structure, the contracted end of the embedded cone 6 is located inside the concrete column structure, and an extension rod is provided axially inwardly, and a reinforcing disc is vertically provided at the extended end of the extension rod. In this way, the conical setting of the embedded cone 6 can be conveniently connected to the connecting piece. At the same time, the setting of the extension rod and the reinforcing disc ensures the connection strength of the embedded cone 6 inside the concrete column structure. The setting of the extension rod also reduces the interference of several adjacent embedded cones 6 inside the concrete column structure.

[0033] As attached Figure 4 As shown, in another specific embodiment, the personnel ladder mechanism 3 includes a ladder protection 11, a ladder body 12 and a manhole cover 15. The upper end of the operating platform mechanism 2 is equipped with a ladder protection 11, and a manhole for construction personnel to pass through is provided in the middle of the ladder protection 11. The operating platform mechanism 2 is provided with a mounting through hole corresponding to the manhole. The ladder body 12 passes through the mounting through hole from bottom to top and is fixedly connected to the ladder protection 11. The ladder protection 11 is hinged with a manhole cover 15 for covering the manhole. In this way, when in use, construction personnel can climb from the bottom through the ladder body 12 to the manhole, and open the manhole cover 15 to log in to the operating platform mechanism 2; at the same time, the ladder protection 11 is installed at the upper end of the operating platform mechanism 2, which is conducive to supporting the ladder body 12 set downward, etc., to ensure the stability of the structure and the safety of use. In this embodiment, the manhole cover 15 can protect the upper part of the construction personnel who are climbing, which increases the safety of the device when in use.

[0034] In another specific embodiment, the operating platform mechanism 2 includes several main steel sections 10, several patterned steel plates 13 and support pads 14. Several main steel sections 10 are connected to each other in a grid shape to form the skeleton of the operating platform mechanism 2. Several patterned steel plates 13 are covered and laid on the skeleton formed by the main steel sections 10 as an operating plane. The staggered connection of several main steel sections 10 is connected to the scaffolding connecting piece 9 through the support pads 14. In this way, the skeleton of the operating platform mechanism 2 with a stable structure can be conveniently formed by several main steel sections 10, and then fixed by laying the support pads 14 to form a stable operating plane; the scaffolding connecting piece 9 is connected to the staggered connection of several main steel sections 10 through the support pads 14, which can increase the connection strength of the scaffolding connecting piece 9 and the stability of the structure, and at the same time can increase the support strength of the operating platform mechanism 2 required to be erected above. In this solution, the operating platform mechanism 2 can be "L"-shaped, and the "L"-shaped operating platform mechanism 2 is convenient for construction and production, and can also ensure the reliability of the structure and the safety of use.

[0035] As attached Figure 5 As shown, in another specific embodiment, a connecting mechanism 4 is also included, and the connecting mechanism 4 includes a large square steel pipe 16 and a small square steel pipe 17. A connecting support 20 is provided at the edge of the operating platform mechanism 2 not close to the concrete column structure. The connecting support 20 is connected to one end of the large square steel pipe 16. The small square steel pipe 17 is inserted from the other end of the large square steel pipe 16 and slidably arranged in the inner cavity of the large square steel pipe 16. The small square steel pipe 17 can be extended and retracted in the inner cavity of the large square steel pipe 16. The end of the small square steel pipe 17 extending out of the large square steel pipe 16 is used to connect the connecting support 20 on another adjacent operating platform mechanism 2. In this way, the two adjacent operating platform mechanisms 2 can be conveniently and adjustably connected to each other through the arrangement of the connecting support 20, the large square steel pipe 16 and the small square steel pipe 17; at the same time, the large square steel pipe 16 and the small square steel pipe 17 can be detachably and steerably connected to the connecting support 20 through bolts and other components, and the height of the connection can be adjusted by adding nuts, etc., so as to ensure the stability of the connection between the two adjacent operating platform mechanisms 2.

[0036] Among them, in the above embodiment, the end of the small square steel tube 17 located in the inner cavity of the large square steel tube 16 is provided with a circle of expanded edge, the inner cavity of the large square steel tube 16 is provided with a first limit baffle, the end of the large square steel tube 16 from which the small square steel tube 17 can extend is set as a constriction only for the small square steel tube 17 to extend, and the expanded edge of the small square steel tube 17 slides between the first limit baffle and the constriction. In this way, when in use, the moving track of the small square steel tube 17 can be limited to avoid the possibility of the small square steel tube 17 detaching from the large square steel tube 16, thereby increasing the safety of the structure.

[0037] As attached Figure 3As shown, in another specific embodiment, it also includes a protective mechanism 5, which includes several columns 18 and a protective mesh 19. Several columns 18 are installed at intervals on the edges of the operating platform mechanism 2 that do not require construction, and a protective mesh 19 arranged around the operating platform mechanism 2 is set between the columns 18. In this way, the edges of the operating platform mechanism 2 that do not require construction can be protected as needed by the columns 18 and the protective mesh 19, thereby further ensuring the safety of construction workers during construction. In this embodiment, the protective mesh 19 can be a rigid protective net. In this embodiment, comprehensive protection can also be carried out on all sides, and an opening for construction can be opened on the protective mesh 19, thereby further increasing the safety of construction.

[0038] In another specific embodiment, it also includes an extended support column 21 and an inclined support column 22. The edge of the operating platform mechanism 2 used to connect with the embedded cone 6 is downwardly installed with an extended support column 21, and the lower end of the extended support column 21 is provided with a connecting piece. The embedded cone 6 of the extended support column 21 is correspondingly embedded in the concrete column structure. The connecting piece of the extended support column 21 is used to be fixedly connected with the embedded cone 6 of the extended support column 21. The lower end of the extended support column 21 and the operating platform mechanism 2 are also obliquely connected with an inclined support column 22 for support. In this way, by setting the extended support column 21 and the inclined support column 22, the stability and reliability of the connection between the operating platform mechanism 2 and the concrete column structure can be further guaranteed. In this embodiment, the setting of the extended support column 21 and the inclined support column 22 does not affect the scaffolding connecting piece 9 to cooperate with the connecting steel pipe to connect and support another operating platform mechanism 2 upward, and the operating platform mechanism 2 set upward can also be correspondingly equipped with the above-mentioned fixing mechanism 1, the personnel ladder mechanism 3, the connecting mechanism 4, the enclosure mechanism 5, the extended support column 21 and the inclined support column 22, etc.

[0039] The utility model can increase the quickness and timeliness of the disassembly and assembly of the suspension operating frame required for the construction of the concrete column structure, increase the functionality and safety of the suspension operating frame, and compared with the traditional operating platform, reduce the amount of material used, can effectively carry out the turnover of materials, and effectively reduce costs. The utility model has a simple structure, is easy to manufacture and install, is easy to disassemble and install, and can be reused. It not only meets the versatility of the use of components, but also improves the construction safety and convenience of the operation platform during the erection and use process.

[0040] When using the device of the utility model: 1. Before pouring concrete, embed the pre-embedded cone 6 according to the structural requirements of the operating frame; 2. Hoist the operating platform mechanism 2 of the utility model to the position where the pre-embedded cone 6 is embedded, and use bolts 8 to connect and fix; 3. Connect the adjacent operating platform mechanisms 2 through the connecting mechanism 4, and lay the supporting pad 14 on the top to form a complete board surface; 4. Install the personnel ladder mechanism 3, and extend the ladder body 12 downward to the operating platform mechanism 2 of the next layer; 5. Use the scaffolding connecting piece 9 to cooperate with the connecting steel pipe to continue to connect and support another operating platform mechanism 2 upward as needed, such as the attached Figure 6 As shown, the scaffolding connecting plate 9 and the connecting steel pipe can be connected by bolts, and after the connection, the upper operating platform mechanism 2 can be continuously erected as needed until the construction requirements are met.

[0041] The utility model has the following advantages: 1. It is easy and quick to install. Compared with the traditional method, it does not need to set up the operating platform from the bottom. 2. It reduces the use of turnover materials, improves the turnover rate and shortens the construction period. 3. The operating platform can be climbed and installed to improve the construction efficiency.

[0042] It should be noted that the terms such as "upper", "lower", "left", "right", "front", "back", etc. used in the utility model are only for the convenience of description and are not used to limit the scope of implementation of the utility model. Changes or adjustments in their relative relationships should be regarded as the scope of implementation of the utility model without substantially changing the technical content.

[0043] The above are only preferred implementations of the utility model. The protection scope of the utility model is not limited to the above embodiments. All technical solutions under the idea of ​​the utility model belong to the protection scope of the utility model. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the utility model should be regarded as the protection scope of the utility model.

Claims

1. A climbing suspension operating frame for a tall independent column of a nuclear power plant, characterized in that: The invention comprises a fixing mechanism (1), an operating platform mechanism (2) and a personnel ladder mechanism (3), wherein the fixing mechanism (1) comprises a pre-embedded cone (6) and a connecting piece, wherein the pre-embedded cone (6) is pre-embedded in a concrete column structure, wherein the edge of the operating platform mechanism (2) close to the concrete column structure is fixedly connected to the pre-embedded cone (6) via a connecting piece, and the operating platform mechanism (2) is provided with a personnel ladder mechanism (3), wherein the personnel ladder mechanism (3) is extended downward and can be used by construction personnel to climb upward to the operating platform mechanism (2), and a scaffolding connecting piece (9) is provided at the upper end of the operating platform mechanism (2), wherein the scaffolding connecting piece (9) can be used to install a connecting steel pipe, and is connected upward to support another operating platform mechanism (2) via the connecting steel pipe.

2. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 1 is characterized in that: The connecting member comprises a bolt (8) and a connecting seat. The edge of the operating platform mechanism (2) is provided with a connecting seat. The upper end of the connecting seat is provided with a mounting groove. The end of the connecting seat close to the embedded cone (6) is provided with a connecting hole that penetrates into the mounting groove. The embedded cone (6) is provided with a threaded hole extending into the interior of the concrete column structure. The bolt (8) is installed into the mounting groove from the notch at the upper end of the mounting groove, and the end of the bolt (8) that can pass through the connecting hole is passed through the connecting hole and threadedly connected to the threaded hole of the embedded cone (6), thereby fixing the connecting seat to the embedded cone (6).

3. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 2 is characterized in that: The end of the bolt (8) that cannot pass through the connection hole is pressed and fixed to a side of the installation groove, and a pad (7) is provided between the end and the installation groove.

4. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 1 is characterized in that: The flared end of the embedded cone (6) is located on the surface of the concrete column structure, the contracted end of the embedded cone (6) is located inside the concrete column structure, and an extension rod is provided axially inwardly extending, and a reinforcing disc is also vertically provided at the extended end of the extension rod.

5. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 1 is characterized in that: The personnel ladder mechanism (3) comprises a ladder guard (11), a ladder body (12) and a manhole cover (15); the ladder guard (11) is installed at the upper end of the operating platform mechanism (2); a manhole for construction personnel to pass through is provided in the middle of the ladder guard (11); a mounting through hole is provided on the operating platform mechanism (2) corresponding to the manhole; the ladder body (12) passes through the mounting through hole from bottom to top and is fixedly connected to the ladder guard (11); and a manhole cover (15) for covering the manhole is hingedly connected to the ladder guard (11).

6. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 1 is characterized in that: The operating platform mechanism (2) comprises a plurality of main steel sections (10), a plurality of patterned steel plates (13) and a support pad (14); the plurality of main steel sections (10) are interconnected in a grid-like manner to form a skeleton of the operating platform mechanism (2); a plurality of patterned steel plates (13) are laid on the skeleton formed by the main steel sections (10) as an operating plane; and the staggered connection points of the plurality of main steel sections (10) are connected to the scaffolding connecting plates (9) via the support pad (14).

7. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 1 is characterized by: It also includes a connecting mechanism (4), the connecting mechanism (4) including a large square steel pipe (16) and a small square steel pipe (17), a connecting support (20) is provided at an edge of the operating platform mechanism (2) not close to the concrete column structure, the connecting support (20) is connected to one end of the large square steel pipe (16), the small square steel pipe (17) is inserted from the other end of the large square steel pipe (16) and is slidably arranged in the inner cavity of the large square steel pipe (16), and the end of the small square steel pipe (17) extending out of the large square steel pipe (16) is used to connect to the connecting support (20) on another adjacent operating platform mechanism (2).

8. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 7 is characterized in that: The end of the small square steel tube (17) located in the inner cavity of the large square steel tube (16) is provided with a circle of expanded edge, the inner cavity of the large square steel tube (16) is provided with a first limit baffle, the end of the large square steel tube (16) from which the small square steel tube (17) can extend is provided as a constriction only for the small square steel tube (17) to extend, and the expanded edge of the small square steel tube (17) slides between the first limit baffle and the constriction.

9. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 1 is characterized by: It also includes a protective structure (5), the protective structure (5) including a plurality of columns (18) and a protective mesh (19), the operating platform structure (2) having a plurality of columns (18) installed at intervals on the edge where no construction is required, and a protective mesh (19) arranged around the operating platform structure (2) is installed between the columns (18).

10. The climbing suspension operating frame for a tall independent column of a nuclear power plant according to claim 1, characterized in that: It also comprises an extended support column (21) and an inclined support column (22); the extended support column (21) is installed downwardly on the edge of the operating platform mechanism (2) for connecting with the embedded cone (6); a connecting piece is provided at the lower end of the extended support column (21); a embedded cone (6) of the extended support column (21) is embedded in the concrete column structure; the connecting piece of the extended support column (21) is used for fixed connection with the embedded cone (6) of the extended support column (21); and an inclined support column (22) for support is also obliquely connected between the lower end of the extended support column (21) and the operating platform mechanism (2).

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