A rapid positioning device for an automatic welding equipment for sealed storage containers of spent fuel

Abstract

This invention discloses a rapid positioning device for an automatic welding equipment for sealed spent fuel storage containers, relating to the technical field of welding auxiliary devices. It includes a connecting base, a connecting member, and a locking plate. The lower part of the connecting member is connected to the connecting base and a cover plate. The middle part of the connecting member is located within a through hole in the welding equipment base. The upper part of the connecting member is connected to the locking plate. A mounting frame is provided on the connecting base. The locking plate is rotatably connected to the mounting frame and the connecting base via a linkage structure. The locking plate, through the linkage structure, can be lifted to disengage from the connecting member and automatically pressed down to fasten with the connecting member. This invention enables rapid positioning of the automatic welding equipment for sealed spent fuel storage containers, offering advantages such as fast installation speed, accurate positioning, and strong stability. It allows for rapid installation of the welding equipment on the cover plate, significantly reducing the radiation dose to installation personnel and ensuring their safety.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding auxiliary device, in particular to a quick positioning device of automatic welding equipment for spent fuel sealed storage container. BACKGROUND

[0002] The spent fuel sealed storage container is one of the main equipment of the spent fuel off-site dry storage system of a nuclear power plant, which is composed of a stainless steel shell and a basket. The cover plate of the spent fuel sealed storage container includes an outer cover and an inner cover. The inner cover is irregularly circular, and the outer cover is regularly circular. The schematic diagram is shown in Figure 1 After the spent fuel is filled, the inner cover and the outer cover need to be sealed and welded. The inner cover is welded to the cylinder and the air inlet / water outlet pipe fixing block, and the outer cover is welded to the cylinder. The weld should meet the relevant standards of ASME.

[0003] The existing welding device cannot be quickly and effectively positioned and installed on the cover plate of the spent fuel sealed storage container, and the positioning accuracy and stability are not high. During installation, multiple adjustments are required. Since the environment is under high temperature and high radiation conditions, the radiation effect on the human body is large. Therefore, a quick positioning device is proposed to install the welding equipment on the cover plate of the spent fuel sealed storage container. SUMMARY

[0004] The present application is to solve the technical problem that the existing automatic welding equipment for spent fuel sealed storage container is not convenient for quick positioning and installation on the cover plate. The purpose is to provide a quick positioning device for automatic welding equipment for spent fuel sealed storage container, which can quickly position the automatic welding equipment for spent fuel sealed storage container. It has the advantages of fast installation speed, accurate positioning, strong stability, etc. It can quickly install the welding equipment on the cover plate, greatly reduce the radiation dose of the equipment installation personnel, and protect the physical safety of the installation personnel.

[0005] The present application is realized by the following technical scheme:

[0006] A quick positioning device for automatic welding equipment for spent fuel sealed storage container, comprising a connecting base, a connecting piece and a locking plate;

[0007] The lower part of the connecting piece is connected with the connecting base and the cover plate, the middle part of the connecting piece is arranged in the through hole of the welding equipment base, and the upper part of the connecting piece is connected with the locking plate;

[0008] The connecting base is provided with a mounting bracket, the locking plate is rotationally connected with the mounting bracket and the connecting base through a connecting rod structure, and the locking plate is lifted and separated from the connecting piece, automatically pressed and buckled with the connecting piece through the connecting rod structure.

[0009] The quick positioning device of the application can realize quick positioning of the automatic welding equipment of the spent fuel sealed storage container, has the advantages of fast installation speed, accurate positioning, strong stability and the like, can quickly install the welding equipment on the cover plate, greatly reduces the radiation dose of the equipment installation personnel, and ensures the physical safety of the installation personnel.

[0010] The quick positioning device of the application can realize quick positioning of the automatic welding equipment of the spent fuel sealed storage container, has the advantages of fast installation speed, accurate positioning, strong stability and the like, can quickly install the welding equipment on the cover plate, greatly reduces the radiation dose of the equipment installation personnel, and ensures the physical safety of the installation personnel.

[0011] As a further technical scheme of the application, the connecting piece comprises a bottom bolt, a connecting body, a protective cover and a straight rod bolt, the bottom bolt is arranged at the lower part of the connecting body, the protective cover is arranged at the upper part of the connecting body, and the straight rod bolt penetrates the protective cover and is threadedly connected with the connecting body.

[0012] As a further technical scheme of the application, the connecting body is conical, and the upper part of the connecting body is provided with an internal thread.

[0013] As a further technical scheme of the application, the locking plate is provided with a connecting hole two, and the upper part of the connecting body is located in the connecting hole two.

[0014] As a further technical scheme of the application, the protective cover is arranged at the joint of the upper part of the connecting body and the locking plate, and is connected with the locking plate through the straight rod bolt.

[0015] As a further technical scheme of the application, the lower part of the connecting body is connected with the connecting piece and the cover plate through the bottom bolt.

[0016] As a further technical scheme of the application, the connecting base is provided with a connecting hole one, and the bottom bolt penetrates the connecting hole one.

[0017] As a further technical scheme of the application, the connecting body is conical, and the upper part of the connecting body is provided with an internal thread.

[0018] As a further technical scheme of the application, the upper connecting rod structure comprises a first connecting rod, one end of the first connecting rod is rotationally connected with the locking plate, and the other end of the first connecting rod is rotationally connected with the mounting frame.

[0019] As a further technical solution of the present invention, the lower connecting rod structure includes a second connecting rod, a diagonal tie rod and a side connecting rod that are rotatably connected in sequence. One end of the second connecting rod is rotatably connected to the locking plate and the other end is rotatably connected to the base. One end of the diagonal tie rod is rotatably connected to the middle part of the second connecting rod and the other end is connected to one end of the side connecting rod. The middle part of the side connecting rod is rotatably connected to the connecting base.

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

[0021] 1. The rapid positioning device of the present invention can realize the rapid positioning of the automatic welding equipment for the sealed storage container of spent fuel. It has the advantages of fast installation speed, accurate positioning and strong stability. It can quickly install the welding equipment on the cover plate, greatly reduce the radiation dose of the equipment installation personnel and ensure the physical safety of the installation personnel.

[0022] 2. This invention enables quick positioning and connection between the welding equipment base and the cover plate via a connector. By controlling the linkage structure, the locking plate can be lifted upwards, thereby disengaging from the connector and facilitating the fitting of the connector with the welding equipment base. After the linkage structure is released, the locking plate will automatically press down and fasten onto the upper part of the connector, making the positioning of the connector more accurate and the stability higher.

[0023] 3. The connector of the present invention has a straight rod bolt at the upper part for fixing the protective cover, locking plate and connector, a bottom bolt at the lower part for fixing the base, cover plate and connector, and a middle part inserted into the welding equipment base for fixing the welding equipment base. This structure achieves effective connection of the welding equipment base, cover plate and positioning device itself, and has a simple structure and is easy to install. Attached Figure Description

[0024] To more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of the present invention and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort. In the drawings:

[0025] Figure 1 A schematic diagram of the structure of the cover plate for a sealed storage container for spent fuel;

[0026] Figure 2 This is an overall view of the rapid positioning device of the present invention after it is connected with the base and cover plate of the welding equipment;

[0027] Figure 3 This is a cross-sectional view of the rapid positioning device of the present invention after it is connected to the base and cover plate of the welding equipment;

[0028] Figure 4 A schematic diagram of the structure of the rapid positioning device of the present invention;

[0029] Figure 5 This is a schematic diagram of the connection structure between the base and the locking plate;

[0030] Figure 6 This is a schematic diagram of the connector structure;

[0031] Figure 7 This is a schematic diagram showing the locking plate in the raised position.

[0032] The attached diagram shows the markings and corresponding component names:

[0033] 1-Connector, 101-Bottom Bolt, 102-Connector Body, 103-Protective Cover, 104-Straight Rod Bolt, 2-Connecting Base, 201-Connecting Hole 1, 3-Welding Equipment Base, 4-Cover Plate, 5-Locking Plate, 501-Connecting Hole 2, 6-Mounting Bracket, 7-First Connecting Rod, 8-Second Connecting Rod, 9-Diagonal Tie Rod, 10-Side Connecting Rod. Detailed Implementation

[0034] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of the present invention are only used to explain the present invention and are not intended to limit the present invention.

[0035] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the invention. However, it will be apparent to those skilled in the art that these specific details are not necessary to practice the invention. In other embodiments, well-known structures, circuits, materials, or methods have not been specifically described in order to avoid obscuring the invention.

[0036] Throughout this specification, references to "an embodiment," "an example," or "an example" mean that a particular feature, structure, or characteristic described in connection with that embodiment or example is included in at least one embodiment of the invention. Therefore, the phrases "an embodiment," "an example," "an example," or "an example" appearing in various places throughout the specification do not necessarily refer to the same embodiment or example. Furthermore, specific features, structures, or characteristics can be combined in one or more embodiments or examples in any suitable combination and / or sub-combination. Moreover, those skilled in the art will understand that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0037] In the description of this invention, the terms "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "high", "low", "inner", and "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and 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 limiting the scope of protection of this invention.

[0038] Example 1

[0039] This embodiment provides a rapid positioning device for an automatic welding equipment for sealed waste fuel storage containers. See [link to documentation]. Figures 1-7 As shown, the quick positioning device includes a connecting base 2, a connecting piece 1, and a locking plate 5;

[0040] The lower part of the connector 1 is connected to the connecting base 2 and the cover plate 4, the middle part of the connector 1 is located in the through hole opened in the welding equipment base 3, and the upper part of the connector 1 is connected to the locking plate 5.

[0041] A mounting bracket 6 is provided on the connecting base 2. The locking plate 5 is rotatably connected to the mounting bracket 6 and the connecting base 2 via a linkage structure. The locking plate 5 can be lifted to disengage from the connecting piece 1 and automatically pressed down to fasten to the connecting piece 1 via the linkage structure. The state when lifted is as follows: Figure 7 As shown.

[0042] When using the quick positioning device of the present invention, first place the connecting base 2 at the threaded hole position of the cover plate 4, connect the lower part of the connector 1 to the connecting base 2 and the cover plate 4, and then fit the welding equipment base 3 into the middle part of the connector 1 through the through hole opened on it. Then, by controlling the linkage structure, the locking plate 5 is fastened to the upper part of the connector 1 and fixed, thus completing the positioning and installation of the welding equipment base 3 and the cover plate 4.

[0043] The rapid positioning device of the present invention can realize the rapid positioning of the automatic welding equipment for the sealed storage container of spent fuel. It has the advantages of fast installation speed, accurate positioning and strong stability. It can quickly install the welding equipment on the cover plate 4, greatly reduce the radiation dose of the equipment installation personnel and ensure the physical safety of the installation personnel.

[0044] The present invention enables the rapid positioning and connection of the welding equipment base 3 and the cover plate 4 through the connector 1. By controlling the linkage structure, the locking plate 5 can be lifted upward, thereby disengaging from the connector 1, which facilitates the connection between the connector 1 and the welding equipment base 3. After the linkage structure is released, the locking plate 5 will automatically press down and fasten to the upper part of the connector 1, making the positioning of the connector 1 more accurate and the stability higher.

[0045] Example 2

[0046] This embodiment further explains the specific structure of the connector 1 and its connection relationship with the welding equipment base 3 and the cover plate 4.

[0047] The connector 1 includes a bottom bolt 101, a connector 102, a protective cover 103, and a straight bolt 104. The bottom bolt 101 is located at the lower part of the connector 102, the protective cover 103 is located at the upper part of the connector 102, and the straight bolt 104 passes through the protective cover 103 and is threadedly connected to the connector 102.

[0048] The connector 1 described in this embodiment has a straight bolt 104 at the top for fixing the cover 103, locking plate 5 and connector 102, and a bottom bolt 101 at the bottom for fixing the base 2, cover plate 4 and connector 102. The middle part passes through the welding equipment base 3 for fixing the welding equipment base 3. This structure achieves an effective connection between the welding equipment base 3, cover plate 4 and the positioning device itself, and the structure is simple and easy to install.

[0049] Specifically, the connector 102 is tapered, and the upper part of the connector 102 is provided with an internal thread. The straight bolt 104 matches the internal thread. The straight bolt 104 can effectively connect and fix the upper part of the connector 102 to the protective cover 103 and the locking plate 5, thereby improving the stability of positioning and installation. The tapered connector 102 matches the through hole opened inside the welding equipment base 3, which can increase the contact area between the two and improve the connection stability of the two.

[0050] The locking plate 5 has a second connection hole 501. The upper part of the connecting body 102 is located inside the second connection hole 501. That is, the size of the second connection hole 501 of the locking plate 5 is larger than the size of the upper part of the connecting body 102, so that the locking plate 5 can be fastened to the connecting body 102.

[0051] The protective cover 103 is located at the junction of the upper part of the connector 1 and the locking plate 5, and is connected to the locking plate 5 by a straight bolt 104. In use, the straight bolt 104 is connected to the internal thread of the upper part of the connector 102, fixing the protective cover 103, the locking plate 5 and the upper part of the connector 102 into one piece, realizing the connection and installation of the upper part of the connector 102, and ensuring the stability of positioning and installation.

[0052] The lower part of the connector 102 is connected to the connector 1 and the cover plate 4 by a bottom bolt 101. The connecting base 2 has a connecting hole 201, through which the bottom bolt 101 passes. In use, the bottom bolt 101 passes through the connecting hole 201 on the connecting base 2 and connects with the cover plate 4 below, so that the cover plate 4, the connecting base 2 and the connector 102 are fixed together, realizing the connection and installation of the lower part of the connector 102 and ensuring the stability of positioning and installation.

[0053] Example 3

[0054] This embodiment further explains the specific structural composition and connection relationship of the linkage structure.

[0055] The linkage structure includes an upper linkage structure and a lower linkage structure. The locking plate 5 is rotatably connected to one end of the upper linkage structure, and the other end of the upper linkage structure is rotatably connected to the mounting bracket 6. The locking plate 5 is rotatably connected to one end of the lower linkage structure, and the other end of the lower linkage structure is rotatably connected to the connecting base 2.

[0056] In this embodiment, by setting up an upper connecting rod structure and a lower connecting rod structure, relative rotation can be achieved between the locking plate 5 and the mounting bracket 6, and between the locking plate 5 and the connecting base 2. With the cooperation of the upper connecting rod structure and the lower connecting rod structure, the locking plate 5 can be raised and then automatically lowered, thereby automatically fastening the locking plate 5 onto the connecting member 1. The rotating connection part can be implemented using existing structures such as a rotating shaft, and the present invention does not make specific limitations.

[0057] Specifically, such as Figure 5 and 7 As shown, the upper connecting rod structure includes a first connecting rod 7, one end of which is rotatably connected to the locking plate 5, and the other end of which is rotatably connected to the mounting bracket 6.

[0058] Specifically, such as Figure 5 and 7 As shown, the lower connecting rod structure includes a second connecting rod 8, a diagonal tie rod 9, and a side connecting rod 10 that are rotatably connected in sequence. One end of the second connecting rod 8 is rotatably connected to the locking plate 5, and the other end is rotatably connected to the base. One end of the diagonal tie rod 9 is rotatably connected to the middle of the second connecting rod 8, and the other end is connected to one end of the side connecting rod 10. The middle of the side connecting rod 10 is rotatably connected to the connecting base 2.

[0059] During the lifting or lowering of the locking plate 5, the first connecting rod 7 rotates around the connection point with the mounting bracket 6, the second connecting rod 8 rotates around the connection point with the base, and the side connecting rod 10 rotates around the connection point with the middle of the connecting base 2. These three connecting rods are connected to each other by the locking plate 5 and the diagonal tie rod 9, so that when these three connecting rods rotate, the locking plate 5 is lifted or pressed down through linkage.

[0060] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A rapid positioning device for a spent fuel sealed storage container automatic welding apparatus, characterized by, It comprises a connecting base (2), a connecting piece (1) and a locking plate (5); The lower part of the connecting piece (1) is connected with the connecting base (2) and the cover plate (4), the middle part of the connecting piece (1) is arranged in the through hole of the welding equipment base (3), and the upper part of the connecting piece (1) is connected with the locking plate (5). The connecting base (2) is provided with a mounting rack (6), the locking plate (5) is rotatably connected with the mounting rack (6) and the connecting base (2) through a connecting rod structure, and the locking plate (5) is lifted and separated from the connecting piece (1) and automatically pressed and buckled with the connecting piece (1) through the connecting rod structure. The connecting piece (1) comprises a bottom bolt (101), a connecting body (102), a protective cover (103) and a straight rod bolt (104), the bottom bolt (101) is arranged at the lower part of the connecting body (102), the protective cover (103) is arranged at the upper part of the connecting body (102), the straight rod bolt (104) penetrates the protective cover (103) and is threadedly connected with the connecting body (102), and the lower part of the connecting body (102) is connected with the connecting piece (1) and the cover plate (4) through the bottom bolt (101). The connecting body (102) is conical, and the upper part of the connecting body (102) is provided with an internal thread. The locking plate (5) is provided with a connecting hole two (501), and the upper part of the connecting body (102) is located in the connecting hole two (501). The protective cover (103) is arranged at the joint of the upper part of the connecting body (102) and the locking plate (5) and is connected with the locking plate (5) through the straight rod bolt (104). In use, the connecting base (2) is placed at the threaded hole position of the cover plate (4), the lower part of the connecting piece (1) is connected with the connecting base (2) and the cover plate (4), the welding equipment base (3) is sleeved with the middle part of the connecting piece (1) through the through hole arranged thereon, then the locking plate (5) is buckled on the upper part of the connecting piece (1) and fixed by controlling the connecting rod structure, and the positioning and installation of the welding equipment base (3) and the cover plate (4) are completed.

2. The quick positioning device of the automatic welding equipment for the spent fuel sealed storage container according to claim 1, characterized in that, The connecting base (2) is provided with a connecting hole one (201), and the bottom bolt (101) penetrates the connecting hole one (201).

3. The quick positioning device of the automatic welding equipment for the spent fuel sealed storage container according to claim 1, characterized in that, The connecting rod structure comprises upper and lower connecting rod structures, one end of the locking plate (5) is rotatably connected with the upper connecting rod structure, the other end of the upper connecting rod structure is rotatably connected with the mounting rack (6), one end of the locking plate (5) is rotatably connected with the lower connecting rod structure, and the other end of the lower connecting rod structure is rotatably connected with the connecting base (2).

4. The quick positioning device of the automatic welding equipment for the spent fuel sealed storage container according to claim 3, characterized in that, The upper connecting rod structure comprises a first connecting rod (7), one end of the first connecting rod (7) is rotatably connected with the locking plate (5), and the other end of the first connecting rod (7) is rotatably connected with the mounting rack (6).

5. The quick positioning device of the automatic welding apparatus for the spent fuel sealed storage container according to claim 3, wherein The lower connecting rod structure comprises a second connecting rod (8), an inclined pull rod (9) and a side connecting rod (10) connected in sequence, one end of the second connecting rod (8) is rotatably connected with the locking plate (5), and the other end is rotatably connected with the base, one end of the inclined pull rod (9) is rotatably connected with the middle part of the second connecting rod (8), and the other end is connected with one end of the side connecting rod (10), and the middle part of the side connecting rod (10) is rotatably connected with the connecting base (2).

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