Turnover device tool for nuclear power station

Abstract

The invention discloses a turnover device tool for a nuclear power station, which comprises a turnover unit, a supporting assembly, a rotating wheel assembly movably arranged on the supporting assembly, a first half hoop assembly arranged on the supporting assembly, a second half hoop assembly movably arranged on the first half hoop assembly, and a second half hoop assembly arranged on the second half hoop assembly, the first connecting assembly is arranged on the first half hoop assembly and connected with the second half hoop assembly, and the second connecting assembly is arranged on the first half hoop assembly and connected with the second half hoop assembly. According to the turnover device tool for the nuclear power station, the turnover unit can achieve turnover and movement of the driving stroke sleeve assembly and can also achieve turnover and movement of the coil assembly, the turnover device tool can be applied to the nuclear power station, disassembly of the driving stroke sleeve assembly and the coil assembly which are large in weight is avoided through rotation of the second half hoop assembly, and the turnover device tool is simple in structure and convenient to use. And mounting and dismounting treatment is facilitated, and the safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of nuclear power construction, and in particular to a turning device tooling for a nuclear power plant. Background Art

[0002] The control rod drive mechanism is connected to the control rod assembly. By energizing the three electromagnetic coils in a certain order, the control rod assembly is inserted and lifted, thereby controlling the average temperature of the core to achieve the purpose of safe reactor startup, reactor power regulation and reactor shutdown. It is one of the key equipment that directly affects the normal operation of the reactor and the safety and reliability of the reactor. The drive rod travel sleeve assembly and coil assembly are part of the control rod drive mechanism. At present, there are 69 drive rod travel sleeve assemblies and coil assemblies in Hualong One. Taking the drive rod travel sleeve as an example, the drive rod travel sleeve assembly is about 4.353m long and weighs 146kg. As a nuclear level 1 equipment, it is flipped and erected by manpower, which poses great safety and quality risks. In order to prevent damage and collision during the process.

[0003] It is necessary to invent a flipping device tooling for a nuclear power plant, which can directly fix the drive rod stroke sleeve assembly to the flipping device on the ground, and flip and erect it by a small crane, thereby improving the safety of the flipping drive stroke sleeve assembly and the coil assembly during the flipping process, and at the same time greatly improving the construction efficiency, saving construction time, being simple and fast, changing and operating, and improving the economy of the nuclear power plant. Summary of the invention

[0004] In view of the fact that the above-mentioned existing nuclear power plant turning device tooling has the problem of great safety and quality risks due to the fact that it is turned and erected by manpower, the present invention is proposed.

[0005] Therefore, the present invention provides a turning device tooling for a nuclear power plant, the purpose of which is to solve the technical problem that turning and erecting by manpower poses great safety risks and quality risks.

[0006] In order to solve the above technical problem, the present invention provides the following technical solution: comprising a flip unit.

[0007] Among them, the flip unit includes a supporting component, a rotating wheel component movably arranged on the supporting component, a half-hoop component 1 arranged on the supporting component, a half-hoop component 2 movably arranged on the half-hoop component 1, a connecting component 1 arranged on the half-hoop component 1 and connected to the half-hoop component 2, and a connecting component 2 arranged on the half-hoop component 1 and connected to the half-hoop component 2.

[0008] As a preferred solution of the turning device tooling for a nuclear power plant of the present invention, the support assembly includes a support plate and a support column arranged on the bottom surface of the support plate.

[0009] As a preferred solution of the turning device tooling for nuclear power plants described in the present invention, the rotating wheel assembly includes a fixed shaft arranged on the support plate, a bearing arranged on the fixed shaft, and a roller arranged on the bearing.

[0010] As a preferred solution of the turning device tooling for a nuclear power plant of the present invention, one end of the roller extends beyond the support plate.

[0011] As a preferred solution of the turning device tooling for nuclear power plants described in the present invention, the half clamp assembly 1 includes a half clamp 1 arranged on the support plate, and a rubber pad 1 arranged above the inner wall of the half clamp 1.

[0012] As a preferred solution of the turning device tooling for nuclear power plants described in the present invention, the half clamp assembly 2 includes a half clamp 2 and a rubber pad 2 arranged on the half clamp 2.

[0013] As a preferred solution of the turning device tooling for a nuclear power plant of the present invention, the height of the second half clamp is lower than the height of the first half clamp.

[0014] As a preferred solution of the turning device tooling for nuclear power plants described in the present invention, the connecting assembly 1 includes a connecting ring 1 arranged on the half hoop 1, a connecting ring 2 arranged on the half hoop 2, and a locking bolt 1 arranged on the connecting ring 1 and the connecting ring 2.

[0015] As a preferred solution of the turning device tooling for nuclear power plants described in the present invention, the connecting assembly 2 includes a connecting ring 3 arranged on the half clamp 1, a connecting ring 4 arranged on the half clamp 2, and a locking bolt 2 arranged on the connecting ring 3 and the connecting ring 4.

[0016] As a preferred solution of the turning device tooling for a nuclear power plant described in the present invention, the turning unit is made of stainless steel.

[0017] The beneficial effects of the present invention include: a support assembly, a rotating wheel assembly, a half-hoop assembly 1, a half-hoop assembly 2, a connecting assembly 1, and a connecting assembly 2 are provided; a flipping unit can realize the flipping and movement of the driving stroke sleeve assembly, and can also realize the flipping and movement of the coil assembly; the present invention can be applied in a nuclear power plant; through the rotation of the half-hoop assembly 2, the disassembly of the heavy driving stroke sleeve assembly and the coil assembly is avoided, the installation and disassembly are facilitated, and the safety is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of the first embodiment of the present invention.

[0020] Figure 2 It is a structural diagram of embodiment 1 of the present invention.

[0021] Figure 3 It is a structural diagram of embodiment 2 of the present invention.

[0022] Figure 4 This is a schematic diagram of the structure of the third embodiment of the present invention. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor is it an embodiment that is mutually exclusive with other embodiments, either individually or selectively.

[0026] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0027] Example 1, reference Figure 1-2, which is the first embodiment of the present invention, provides a turning device tool for a nuclear power plant, and the device includes a turning unit 100. The turning unit 100 can realize the turning and moving of the driving stroke sleeve assembly, and can also realize the turning and moving of the coil assembly, and can be used in a nuclear power plant. By rotating the half clamp assembly 2 104, the disassembly of the heavy driving stroke sleeve assembly and the coil assembly is avoided, and the installation and disassembly processing is convenient.

[0028] Among them, the flip unit 100 includes a support component 101, a rotating wheel component 102 movably arranged on the support component 101, a half-hoop component 103 arranged on the support component 101, a half-hoop component 2 104 movably arranged on the half-hoop component 103, a connecting component 1 105 arranged on the half-hoop component 103 and connected to the half-hoop component 2 104, and a connecting component 2 106 arranged on the half-hoop component 103 and connected to the half-hoop component 2 104. The directions of the connecting component 105 and the connecting component 2 106 are perpendicular to each other. By controlling the directions of the connecting component 105 and the connecting component 2 106, the half-hoop component 2 104 can be rotated, thereby releasing the clamping effect on the equipment and avoiding the overall disassembly of the half-hoop component 2 104. At the same time, due to the different directions of the connecting component 105 and the connecting component 2 106, the half-hoop component 103 and the half-hoop component 2 104 can be arranged relatively parallel to each other, so as to stably clamp the driving stroke sleeve assembly and the coil assembly. The above-mentioned flip unit 100 can realize the flipping and movement of the driving stroke sleeve assembly, and can also realize the flipping and movement of the coil assembly, and can be used in nuclear power plants. By rotating the half-hoop component 2 104, the disassembly of the heavy driving stroke sleeve assembly and the coil assembly is avoided, and the installation and disassembly processing is convenient.

[0029] Preferably, the support assembly 101 includes a support plate 101a and a support column 101b disposed on the bottom surface of the support plate 101a. Two support columns 101b are provided, and the two support columns 101b are installed side by side on the bottom surface of the support plate 101a; the two support columns 101b are used to cooperate with the rotating wheel assembly 102 to stably support the flip unit 100 as a whole.

[0030] Furthermore, the rotating wheel assembly 102 includes a fixed shaft 102a disposed on the support plate 101a, a bearing 102b disposed on the fixed shaft 102a, and a roller 102c disposed on the bearing 102b. The bearing 102b is provided to realize the rotational installation of the roller 102c, so as to facilitate the movement of the device as a whole and promote the turning of the driving stroke sleeve assembly and the coil assembly. The outer diameter of the bearing 102b is 32mm and the inner diameter is 11.75mm. The diameter of the roller 102c is 200mm.

[0031] In particular, one end of the roller 102c exceeds the support plate 101a. The distance between the edge of the roller 102c and the support plate 101a is 10 mm, which is convenient for the user to push the flip unit 100 to tilt, and push the device to flip and move under the action of the roller 102c.

[0032] During use, the flipping unit 100 can flip and move the driving stroke sleeve assembly, and can also flip and move the coil assembly. It can be used in nuclear power plants. By rotating the half-hoop assembly 104, the disassembly of the heavy driving stroke sleeve assembly and coil assembly is avoided, which facilitates installation and disassembly.

[0033] Example 2, reference Figure 3 , which is the second embodiment of the present invention. This embodiment is different from the first embodiment in that the compression and fixation of the driving stroke sleeve assembly and the coil assembly can be observed through the low-height half clamp 104a, ensuring that the half clamp 104a and the half clamp 1 103a can fit and compress the driving stroke sleeve assembly and the coil assembly, thereby improving the safety during the flipping movement.

[0034] Compared with Example 1, further, the half hoop assembly 103 includes a half hoop 103a disposed on the support plate 101a, and a rubber pad 103b disposed on the inner wall of the half hoop 103a. The half hoop 103a disposed on the support plate 101a stably supports the device, so that the device can be stably supported in the process of pushing the device to flip.

[0035] Preferably, the half clamp assembly 104 includes a half clamp 104a and a rubber pad 104b disposed on the half clamp 104a. The half clamp 104a and the half clamp 103a form a clamp for clamping the drive stroke sleeve assembly and the coil assembly; the drive stroke sleeve assembly and the coil assembly are compressed and protected by the rubber pad 104b and the rubber pad 103b, and can adapt to the different sizes of the drive stroke sleeve assembly and the coil assembly, thereby avoiding the half clamp 103a and the half clamp 204a directly compressing the drive stroke sleeve assembly and the coil assembly, and avoiding damage to the drive stroke sleeve assembly and the coil assembly. The thickness of the rubber pad 103b and the rubber pad 104b is 20mm. The provision of the rubber pad 103b and the rubber pad 104b can avoid the drive stroke sleeve assembly and the coil assembly from directly contacting the half clamp 103a and the half clamp 204a, thereby avoiding contact wear and contamination.

[0036] In particular, the height of the second half hoop 104a is lower than that of the first half hoop 103a. Through the second half hoop 104a with a low height, the pressing and fixing of the drive travel sleeve assembly and the coil assembly can be observed, ensuring that the second half hoop 104a and the first half hoop 103a can fit and press the drive travel sleeve assembly and the coil assembly, thereby improving the safety during the flipping movement; the size of the second half hoop 104a is 219mm in diameter, 7mm in thickness, and 75mm in height; the size of the first half hoop 103a is 219mm in diameter, 150mm in height, and 7mm in thickness.

[0037] The remaining structures are the same as those of Example 1.

[0038] Example 3, reference Figure 4 , which is the third embodiment of the present invention. This embodiment is different from the second embodiment in that the turning unit 100 is made of stainless steel, thereby avoiding contamination caused by contact between iron or other materials and the stainless steel.

[0039] Compared with Example 2, further, the connecting assembly 105 includes a connecting ring 105a disposed on the half hoop 103a, a connecting ring 105b disposed on the half hoop 104a, and a locking bolt 105c disposed on the connecting ring 105a and the connecting ring 105b. The locking bolt 105c is vertically disposed to lock the connecting ring 105a and the connecting ring 105b.

[0040] Preferably, the second connecting assembly 106 includes a third connecting ring 106a disposed on the first half hoop 103a, a fourth connecting ring 106b disposed on the second half hoop 104a, and a second locking bolt 106c disposed on the third connecting ring 106a and the fourth connecting ring 106b. The second locking bolt 106c is horizontally distributed to lock the third connecting ring 106a and the fourth connecting ring 106b. By disassembling the second locking bolt 106c, the second half hoop 104a can be rotated, so that the driving stroke sleeve assembly and the coil assembly are separated from the second half hoop 104a, thereby facilitating the disassembly of the heavy driving stroke sleeve assembly and the coil assembly.

[0041] In particular, the turning unit 100 is made of stainless steel. Since the driving sleeve assembly and the coil assembly are made of stainless steel, the turning unit 100 is also made of stainless steel, thereby avoiding contamination caused by contact between iron or other materials and stainless steel.

[0042] The remaining structure is the same as that of Example 2.

[0043] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present invention. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of the execution function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other replacements, modifications, changes and omissions can be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the invention is not limited to a specific embodiment, but extends to numerous modifications still falling within the scope of the appended claims.

[0044] Additionally, in order to provide a concise description of exemplary embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0045] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A turning device for a nuclear power plant, characterized in that: include, The flip unit (100) comprises a support component (101), a rotating wheel component (102) movably arranged on the support component (101), a half-hoop component (103) arranged on the support component (101), a half-hoop component (104) movably arranged on the half-hoop component (103), a connecting component (105) arranged on the half-hoop component (103) and connected to the half-hoop component (104), and a connecting component (106) arranged on the half-hoop component (103) and connected to the half-hoop component (104).

2. The turning device for a nuclear power plant according to claim 1, characterized in that: The support assembly (101) comprises a support plate (101a) and a support column (101b) arranged on the bottom surface of the support plate (101a).

3. The turning device for a nuclear power plant according to claim 2, characterized in that: The rotating wheel assembly (102) comprises a fixed shaft (102a) arranged on the supporting plate (101a), a bearing (102b) arranged on the fixed shaft (102a), and a roller (102c) arranged on the bearing (102b).

4. The turning device for a nuclear power plant according to claim 3, characterized in that: One end of the roller (102c) extends beyond the support plate (101a).

5. The turning device for a nuclear power plant according to claim 4, characterized in that: The half clamp assembly (103) comprises a half clamp (103a) arranged on the support plate (101a), and a rubber pad (103b) arranged on the inner wall of the half clamp (103a).

6. The turning device for nuclear power plant according to claim 5, characterized in that: The second half clamp assembly (104) comprises a second half clamp (104a) and a second rubber pad (104b) arranged on the second half clamp (104a).

7. The turning device for a nuclear power plant according to claim 6, characterized in that: The height of the second half hoop (104a) is lower than the height of the first half hoop (103a).

8. The turning device for a nuclear power plant according to claim 7, characterized in that: The connecting assembly one (105) comprises a connecting ring one (105a) arranged on the half hoop one (103a), a connecting ring two (105b) arranged on the half hoop two (104a), and a locking bolt one (105c) arranged on the connecting ring one (105a) and the connecting ring two (105b).

9. The turning device for a nuclear power plant according to claim 8, characterized in that: The connecting assembly 2 (106) includes a connecting ring 3 (106a) arranged on the half hoop 1 (103a), a connecting ring 4 (106b) arranged on the half hoop 2 (104a), and a locking bolt 2 (106c) arranged on the connecting ring 3 (106a) and the connecting ring 4 (106b).

10. The turning device for a nuclear power plant according to claim 9, characterized in that: The turning unit (100) is made of stainless steel.

Images