Reinforcing tool and reinforcing structure for steel lining of nuclear power station

Abstract

The utility model relates to the technical field of formwork reinforcing tools, in particular to a reinforcing tool and a reinforcing structure for a steel lining of a nuclear power plant, the reinforcing tool comprises a connecting structure body, the connecting structure body is made of metal materials, and the connecting structure body can be welded with at least one of a formwork reinforcing screw rod and a guide pipe connecting ring rib; a clamping groove is formed in one side of the connecting structure and used for clamping a side wing of angle steel of the steel lining, so that the connecting structure is connected with the steel lining, secondary reinforcement can be conveniently carried out on the connecting structure, a single-side formwork is directly connected with the steel lining, and therefore the problem of reinforcement of the steel lining is solved on the premise that direct operation on the steel lining is avoided; and the construction requirements of the nuclear power station inner layer containment cylinder section wall body are met. The reinforcing structure comprises a steel lining body and the reinforcing tool, and can solve the problem of reinforcing the steel lining and the problem of poor adaptability of an outer roof construction process to a containment structure on the premise of avoiding direct operation on the steel lining.

Description

TECHNICAL FIELD

[0001] The utility model relates to template reinforcing tool technical field, concretely relates to a reinforcing tool for nuclear power station steel lining. BACKGROUND

[0002] A certain type of nuclear power station is a double-shell structure, wherein the inner layer of the safety shell concrete structure is internally lined with steel and externally lined with a single-sided template. When the template is set up, the single-sided template cannot achieve the pulling of the two-sided template, so the template on the outside is selected for reinforcement. The single-sided template on the outside has the advantages of high strength and good stability, but the construction process is complex and requires a large amount of material. Specifically, the single-sided template on the outside generally uses steel pipes as the material for supporting the top, and when the height of the wall or the template changes, a specific length of steel pipe needs to be selected. Anchors also need to be made, which requires a high level of site requirements, high site occupancy after construction, and difficulty in dismantling the support structure. For the inner layer of the safety shell cylinder section of the nuclear power station, the wall height is as high as 50 meters, making it difficult to use the single-sided template process for construction, and there are problems such as high construction risk and difficulty in ensuring quality. Therefore, the existing single-sided template on the outside cannot meet the construction requirements of the wall of the inner layer of the safety shell cylinder section of the nuclear power station. SUMMARY

[0003] To solve the technical problem that the existing single-sided template on the outside cannot meet the construction requirements of the wall of the inner layer of the safety shell cylinder section of the nuclear power station, the utility model provides a reinforcing tool for the steel lining of a nuclear power station and a reinforcing structure, which can solve the problem of reinforcing the steel lining without directly operating on it, and meet the construction requirements of the wall of the inner layer of the safety shell cylinder section of the nuclear power station.

[0004] The utility model realizes the following technical schemes:

[0005] In a first aspect, the utility model provides a reinforcing tool for the steel lining of a nuclear power station, which includes a connecting body made of metal, and the connecting body can be welded with at least one component of a template reinforcing screw and a guide pipe connecting ring. One side of the connecting body is provided with a clamping groove for clamping the side wing of the steel lining angle steel.

[0006] It should be noted that the inner layer of the safety steel lining of the nuclear power station is mainly composed of steel plates and back ribs, the steel plates are relatively thin and have no pull points, and the back ribs are made of high-strength angle steel, which is a good stress node. However, due to the limitations of the construction process of the steel lining, the angle steel cannot be directly reinforced. When the template of the inner layer of the safety steel lining of the nuclear power station is set up, the single-sided template can be pulled on the back rib (angle steel) of the steel lining through finite element analysis.

[0007] Based on this, the utility model provides a reinforcing tool for nuclear power station steel lining, connecting body is set with the clamping groove on one side, and the side wing of steel lining angle steel is clamped through the clamping groove, so that the connecting body is connected with the steel lining, and simultaneously, the connecting body is metal material, can be welded with at least one component of formwork reinforcing screw rod and guide pipe connecting ring rib, convenient for secondary reinforcement, so as to connect the unilateral formwork with the steel lining directly, thereby solving the problem of poor adaptability of the construction technology of the outer top to the containment structure without setting anchor point and jacking rod on the ground, simple construction, and no passage obstruction.

[0008] Wherein, the connecting body is connected with the side wing of the steel lining angle steel, the unilateral formwork can be directly connected with the steel lining, the problem of poor adaptability of the construction technology of the outer top to the containment structure is solved, the anchor point and the jacking rod do not need to be set on the ground, the construction is simple, and the passage is not blocked.

[0009] Therefore, the reinforcing tool for nuclear power station steel lining can solve the problem of steel lining reinforcement under the premise of avoiding direct operation of the steel lining, and meet the construction requirements of the inner containment cylinder segment wall of the nuclear power station.

[0010] In an optional embodiment of the present application, the connecting body is a plate structure, so as to obtain the connecting body directly by plate processing, having the advantages of simple structure, high strength, low cost and convenient processing.

[0011] In an optional embodiment of the present application, the connecting body is a carbon steel plate, so as to ensure that the connecting body has sufficient structural strength and good welding performance.

[0012] In an optional embodiment of the present application, the clamping groove extends along the width direction of the connecting body, so as to stably clamp the connecting body on the side wing of the steel lining angle steel.

[0013] In an optional embodiment of the present application, the thickness of the connecting body is greater than 8mm.

[0014] In an optional embodiment of the present application, the clamping groove is a rectangular groove, so as to facilitate the production of the clamping groove and the clamping of the connecting body on the side wing of the steel lining angle steel.

[0015] In an optional embodiment of the present application, the length of the clamping groove is 5-8cm, and the width is 8mm-12mm, so as to ensure that the clamping groove can be clamped on the side wing of the steel lining angle steel, and avoid the connecting body from directly sliding off the side wing of the steel lining angle steel under the condition of no force.

[0016] Secondly, this utility model provides a steel lining reinforcement structure for nuclear power plants, comprising: a steel lining body, the steel lining body including a template structure and angle steel back ribs, the angle steel back ribs being welded to the template structure; and the aforementioned reinforcement fixture for nuclear power plant steel linings, wherein the snap-fit ​​groove is snapped onto the side wing of the angle steel back ribs.

[0017] The nuclear power plant steel lining reinforcement structure provided by this utility model includes a steel lining body and the aforementioned reinforcement fixture. It is connected to the side wings of the steel lining angle steel through a connecting structure, so as to directly connect the single-sided template to the steel lining. This solves the problem of steel lining reinforcement and the problem of poor adaptability of the outer roof construction process to the containment structure without directly operating on the steel lining. It does not require setting anchor points and top bracing rods on the ground, making construction simple and avoiding passage blockage. It meets the construction requirements of the inner containment cylinder section wall of the nuclear power plant.

[0018] In an optional embodiment of this application, a template reinforcing screw is further included. The template reinforcing screw is fixed on the connecting structure and extends in the direction directly facing the template structure, so as to directly connect the steel lining body to the single-sided template through the template reinforcing screw, thereby reinforcing the steel lining body.

[0019] In an optional embodiment of this application, a conduit connecting ring is further included. The conduit connecting ring is fixedly connected to the connecting structure and the prestressed vertical conduit, so as to directly connect the steel lining body to the prestressed vertical conduit through the conduit connecting ring, so as to further reinforce the steel lining body.

[0020] Compared with the prior art, the present invention has the following advantages and beneficial effects:

[0021] 1. The reinforcement fixture for the steel lining of a nuclear power plant provided by this utility model includes a connecting structure. One side of the connecting structure has a snap-fit ​​groove to snap onto the side wing of the angle steel of the steel lining, thereby connecting the connecting structure to the steel lining. At the same time, the connecting structure is made of metal and can be welded to at least one of the components of the template reinforcement screw and the guide pipe connecting ring, which facilitates secondary reinforcement on it, so as to directly connect the single-sided template to the steel lining. This solves the problem of steel lining reinforcement and the problem of poor adaptability of the outer top construction process to the containment structure without direct operation on the steel lining. It does not require the setting of anchor points and top support rods on the ground, the construction is simple, and it will not cause passage blockage, thus meeting the construction requirements of the inner containment cylinder section wall of the nuclear power plant.

[0022] 2. The nuclear power plant steel lining reinforcing structure, which comprises a steel lining body and the reinforcing tool, and the side wing of the steel lining angle steel is connected with the connecting body, so that the single-sided formwork is directly connected with the steel lining, thereby solving the problem of reinforcing the steel lining and solving the poor adaptability of the construction process of the outer top to the containment structure under the premise of avoiding direct operation of the steel lining, without setting anchor points and supporting rods on the ground, simple construction, no passage obstruction, and meeting the construction requirements of the inner layer containment cylinder wall of the nuclear power plant. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0024] In the drawings:

[0025] Figure 1 The structural schematic diagram of the reinforcing tool for the nuclear power plant steel lining provided by the present application;

[0026] Figure 2 The nuclear power plant steel lining reinforcing structure provided by the present application.

[0027] In the drawings, the reference signs and corresponding component names are as follows:

[0028] 10-connecting body, 11-clamping groove, 20-formwork reinforcing screw, 30-conduit connecting ring rib, 40-steel lining body, 41-formwork body, 42-angle steel back rib, 50-prestressed vertical conduit. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0031] It should be noted that similar reference numerals and letters refer to like items throughout the accompanying drawings, and once an item is defined in one drawing, it is not necessary to further define and explain it in subsequent drawings. The embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0032] In the description of the embodiments of the present application, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly placed when the product of the application is used, or the orientation or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0033] In the description of the present application, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0034] Embodiment 1

[0035] In combination Figure 1 The embodiment provides a reinforcing tool for a steel lining of a nuclear power plant, which comprises a connecting body 10, the connecting body 10 is made of metal, and the connecting body 10 can be welded with at least one component of a formwork reinforcing screw 20 and a guide pipe connecting ring rib 30; one side of the connecting body 10 is provided with a clamping groove 11, and the clamping groove 11 is used for clamping the side wing of the steel lining angle steel.

[0036] Specifically, the connecting body 10 is a plate structure, so as to obtain the connecting body 10 directly through plate processing, and has the characteristics of simple structure, high strength, low cost and convenient processing and manufacturing.

[0037] Generally, the connecting body 10 is a carbon steel plate, so as to ensure that the connecting body 10 has sufficient structural strength and good welding performance.

[0038] In the embodiment, the clamping groove 11 extends along the width direction of the connecting body 10, so as to stably clamp the connecting body 10 on the side wing of the steel lining angle steel.

[0039] The thickness of the connecting body 10 is greater than 8 mm.

[0040] In combination Figure 1The clamping groove 11 is a rectangular groove, so as to facilitate the production of the clamping groove 11 and facilitate the clamping of the connecting body 10 on the side wing of the steel lining angle steel.

[0041] Specifically, the length of the clamping groove 11 is 5-8 cm, and the width is 8 mm-12 mm, so as to ensure that the clamping groove 11 can be clamped on the side wing of the steel lining angle steel, while avoiding the direct sliding of the connecting body 10 from the side wing of the steel lining angle steel under the condition of no force.

[0042] It can be understood that the connecting body 10 can be freely selected in material and size according to the force size. Generally, for the steel lining of the nuclear power plant, the connecting body 10 is a 10 cm long, 10 cm wide, 1 cm carbon steel plate, and the corresponding clamping groove 11 has a length of 7 cm and a width of 10 mm.

[0043] It should be noted that the inner layer safety steel lining of the nuclear power plant is mainly composed of a steel plate and a back rib. The steel plate is relatively thin and has no pull-in nodes. The back rib is made of angle steel with high strength and is a good force node, but due to the construction process of the steel lining, the angle steel cannot be directly reinforced. When the formwork of the inner layer safety steel lining of the nuclear power plant is set, the single-sided formwork can be pulled in on the back rib (angle steel) of the steel lining through finite element analysis.

[0044] In summary, the reinforcing tool for the steel lining of the nuclear power plant provided in the embodiment comprises a connecting body 10. One side of the connecting body 10 is provided with a clamping groove 11, so as to clamp the side wing of the steel lining angle steel through the clamping groove 11, so that the connecting body 10 is connected with the steel lining. At the same time, the connecting body 10 is made of metal material and can be welded with at least one component of the formwork reinforcing screw rod 20 and the guide pipe connecting ring rib 30, so as to facilitate the secondary reinforcement thereon, so as to directly connect the single-sided formwork with the steel lining, thereby solving the problem of poor adaptability of the construction process of the outer top to the containment structure without directly operating the steel lining.

[0045] By connecting the connecting body 10 with the side wing of the steel lining angle steel, the single-sided formwork can be directly connected with the steel lining, thereby solving the problem of poor adaptability of the construction process of the outer top to the containment structure without setting anchor points and top support rods on the ground, and the construction is simple and will not cause passage obstruction.

[0046] Therefore, the reinforcing tool for the steel lining of the nuclear power plant provided in the embodiment can solve the problem of reinforcing the steel lining without directly operating the steel lining, thereby meeting the construction requirements of the inner layer safety shell cylinder segment wall of the nuclear power plant.

[0047] In addition, the connecting body 10 facilitates secondary reinforcement, and can be used for temporary reinforcement of various items such as templates and prestressed conduits according to the use scene, so as to solve the problem that the single-sided template supporting structure of the inner layer containment has no reliable pull node, make the on-site template construction more simple, fast and efficient, and solve the problem of difficult passage after the external top template is supported.

[0048] In addition, based on the clamping of the connecting body 10 on the angle steel in the steel lining, the connecting body 10 can be used in a construction scene where the inner side cannot be directly reinforced and the use of the temporary reinforcement simple device is allowed, and the material, size, slot position, shape and number of the connecting body 10 can be changed according to the situation.

[0049] Embodiment 2

[0050] In combination Figure 2 The embodiment provides a nuclear power plant steel lining reinforcement structure, which comprises a steel lining body and the reinforcement tool for the nuclear power plant steel lining described in embodiment 1, and the clamping groove 11 is clamped outside the side wing of the angle steel back rib 42.

[0051] That is, the nuclear power plant steel lining reinforcement structure provided by the embodiment comprises a steel lining body and the reinforcement tool described in embodiment 1, and the connecting body 10 is connected with the side wing of the steel lining angle steel, so as to directly connect the single-sided template with the steel lining, thereby solving the problem of steel lining reinforcement and the problem of poor adaptability of the construction process of the external top to the containment structure without directly operating the steel lining, without setting anchor points on the ground and supporting rods, simple construction, no passage obstruction, and meeting the construction requirements of the inner layer containment cylinder wall of the nuclear power plant.

[0052] Optionally, the embodiment further comprises a template reinforcement screw 20 fixed on the connecting body 10 and extending in the direction opposite to the template body 41, so as to directly connect the steel lining body with the single-sided template through the template reinforcement screw 20, thereby reinforcing the steel lining body.

[0053] Optionally, the embodiment further comprises a conduit connecting ring rib 30 fixedly connected with the connecting body 10 and the prestressed vertical conduit 50, so as to directly connect the steel lining body with the prestressed vertical conduit 50 through the conduit connecting ring rib 30, thereby further reinforcing the steel lining body.

[0054] It should be understood that the extension direction of the angle steel back rib 42 arranged on the steel lining body includes at least one of the transverse direction and the vertical direction, so that the conduit connecting ring rib 30 is perpendicular to the connecting body 10 when the connecting body 10 is clamped on the angle steel back rib 42 in the transverse direction, and the conduit connecting ring rib 30 is parallel to the connecting body 10 when the connecting body 10 is clamped on the angle steel back rib 42 in the vertical direction.

[0055] The above description of the specific embodiments is further detailed to explain the purpose, technical scheme and beneficial effects of the present application. It should be understood that the above description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A reinforcement tooling for steel linings in nuclear power plants, characterized in that, Includes a connecting structure (10), which is made of metal and can be welded to at least one of the template reinforcing screw (20) and the conduit connecting ring (30); The connecting structure (10) has a snap-fit ​​groove (11) on one side, which is used to snap the side wings of the steel lining angle steel.

2. The reinforcement fixture for steel linings of nuclear power plants according to claim 1, characterized in that, The connecting structure (10) is a plate-like structure.

3. The reinforcement fixture for steel linings of nuclear power plants according to claim 2, characterized in that, The connecting structure (10) is a carbon steel plate.

4. The reinforcement fixture for steel linings of nuclear power plants according to claim 2, characterized in that, The snap-fit ​​groove (11) extends along the width direction of the connecting structure (10).

5. The reinforcement fixture for steel linings of nuclear power plants according to claim 2, characterized in that, The thickness of the connecting structure (10) is greater than 8 mm.

6. The reinforcement fixture for steel linings of nuclear power plants according to any one of claims 1 to 5, characterized in that, The snap-fit ​​groove (11) is a rectangular groove.

7. The reinforcement fixture for steel linings of nuclear power plants according to claim 6, characterized in that, The length of the snap-fit ​​groove (11) is 5-8cm and the width is 8mm-12mm.

8. A steel lining reinforcement structure for a nuclear power plant, characterized in that, include: The steel lining body (40) includes a template structure (41) and an angle steel back rib (42), which is welded to the template structure (41). The reinforcement fixture for the steel lining of a nuclear power plant as described in claims 1 to 5, wherein the snap-fit ​​groove (11) snaps onto the outside of the side wing of the angle steel back rib (42).

9. The nuclear power plant steel lining reinforcement structure according to claim 8, characterized in that, It also includes a template reinforcing screw (20), which is fixed on the connecting structure (10) and extends in the direction of the template structure (41).

10. The nuclear power plant steel lining reinforcement structure according to claim 8, characterized in that, It also includes a conduit connecting ring (30), which is fixedly connected to the connecting structure (10) and the prestressed vertical conduit (50).

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