A decap tooling and charging system

Abstract

The disclosed open cover tool is used for removing the to-be-disassembled connecting piece connected between the storage container and the container cover and moving the container cover away, and comprises a mounting bracket, a connecting piece disassembling mechanism and a cover moving mechanism. The mounting bracket is used for connecting a moving device which can drive the mounting bracket to move. The connecting piece disassembling mechanism is arranged on the mounting bracket and is used for disassembling the to-be-disassembled connecting piece by screwing. The cover moving mechanism is arranged on the mounting bracket and is used for moving the container cover to open the storage container after the to-be-disassembled connecting piece is removed. The moving device drives the mounting bracket to move to the container to be opened, removes each to-be-disassembled connecting piece on the container cover through the connecting piece disassembling mechanism, and then moves the container cover away through the cover moving mechanism, so that the open cover operation of the storage container is realized. The disclosed open cover tool can realize the automatic disassembly of the container cover, improve the operation efficiency and reduce the labor intensity of the operator.

Description

Technical Field

[0001] This invention relates to the field of nuclear energy application technology, and more specifically, to a lid-opening tooling and a loading system. Background Technology

[0002] In high-temperature gas-cooled reactors, fuel storage containers used to store fuel elements require the container lids to be removed before loading. After loading, the lids are replaced, and the entire fuel storage container is then transported. Currently, the lids and bolts are typically removed and installed manually, which is labor-intensive and inefficient.

[0003] Therefore, how to achieve automatic assembly and disassembly of container lids to improve operational efficiency has become a technical problem that urgently needs to be solved by those skilled in the art. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide a lid-opening fixture to realize the automatic disassembly and assembly of container lids and improve work efficiency.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A lid-opening tool for removing the connector between a storage container and a container lid, and removing the container lid, comprising:

[0007] Mounting bracket for connecting mobile devices;

[0008] A connector assembly / disassembly mechanism is provided on the mounting bracket for screwing the connector to be assembled / disassembled;

[0009] A lid-moving mechanism, mounted on the mounting bracket, is used to move the container lid.

[0010] Optionally, in the above-mentioned opening fixture, the connector assembly / disassembly mechanism includes:

[0011] Disassembly and assembly tools;

[0012] A first driving component, the output shaft of which is connected to the disassembly and assembly tool, to drive the connector to be disassembled or assembled to rotate;

[0013] A floating slide is floatingly mounted on the mounting bracket, and the floating plane of the floating slide is perpendicular to the extension direction of the disassembly / assembly tool. The first driving member is connected to the floating slide so that the floating slide can drive the disassembly / assembly tool to float and align with the connector to be disassembled / assembled.

[0014] Optionally, in the above-described opening fixture, the disassembly / assembly tool includes:

[0015] A sleeve, wherein the sleeve is connected to the first driving component in a transmission manner;

[0016] A centering component is disposed within the sleeve and has a centering head for embedding into a screw groove of the connector to be disassembled or assembled.

[0017] An elastic element is connected between the sleeve and the centering element.

[0018] Optionally, in the above-mentioned opening fixture, the sleeve is provided with an adsorption element for adsorbing the connector to be disassembled.

[0019] Optionally, in the above-mentioned opening fixture, the connecting component disassembly and assembly mechanism includes a limiting housing, which is disposed on the mounting bracket, and the floating slide is disposed inside the limiting housing, with a floating gap provided between the floating slide and the limiting housing.

[0020] Optionally, in the above-mentioned opening fixture, the limiting housing is provided with a floating disc adjusting pin for limiting the floating of the floating slide.

[0021] The floating disc adjusting pin includes a fixed part, a movable part, and a telescopic part. The fixed part is disposed on the limiting housing. The movable part abuts against the floating slide. The two ends of the telescopic part abut against the fixed part and the movable part, respectively. The telescopic part is an elastic reset member.

[0022] Optionally, the above-mentioned opening fixture also includes a purging device, which includes:

[0023] A jet nozzle, the nozzle of which faces the disassembly / reassembly tool;

[0024] The jet pipe has one end connected to the jet head and the other end connected to the air pump to provide a jetting airflow.

[0025] Optionally, in the above-described lid-opening fixture, the lid-moving mechanism includes:

[0026] A tray fixing plate is provided on the mounting bracket;

[0027] A telescopic card holder is slidably mounted on the card holder fixing plate, and the end of the telescopic card holder is provided with a slot for engaging with the container lid;

[0028] The second driving component is disposed on the tray fixing plate and is connected to the telescopic tray in a transmission manner to push the telescopic tray to engage with the container lid.

[0029] Optionally, in the above-mentioned opening fixture, the connector disassembly and assembly mechanism consists of two symmetrically arranged on the mounting bracket;

[0030] The cover-moving mechanism consists of two symmetrically arranged on the mounting bracket.

[0031] Optionally, in the above-mentioned opening fixture, the container cover is a container cover for a storage container used in a high-temperature gas-cooled reactor, and the connecting piece to be disassembled is a connecting bolt for connecting the container cover.

[0032] Optionally, in the above-described opening fixture, the mounting bracket is equipped with a vision camera for detecting the distance between the mounting bracket and the container lid.

[0033] A feeding system, including the aforementioned lid-opening fixture.

[0034] The present invention provides a lid-opening fixture for removing the connecting parts to be disassembled between a storage container and a container lid, and removing the container lid. The fixture includes a mounting bracket, a connecting part disassembly / assembly mechanism, and a lid-moving mechanism. The mounting bracket connects to a mobile device that can move the mounting bracket. The connecting part disassembly / assembly mechanism, mounted on the mounting bracket, is used to disassemble / assemble the connecting parts by screwing them. The lid-moving mechanism, also mounted on the mounting bracket, allows the container lid to be moved after the connecting parts are removed, thus opening the storage container. When the container lid needs to be opened, the mobile device moves the mounting bracket to the container to be opened, and the connecting part disassembly / assembly mechanism removes the connecting parts on the container lid. The lid is then removed by the lid-moving mechanism, thus opening the storage container. When the container lid needs to be installed, the mobile device moves the lid-moving mechanism to a designated position, and the connecting part disassembly / assembly mechanism assembles the connecting parts, thus installing the container lid. Compared with existing technologies, the lid-opening fixture provided by this invention can realize the automatic disassembly and assembly of container lids, improving work efficiency and reducing the labor intensity of operators.

[0035] The charging system provided by this invention includes the aforementioned opening fixture, which removes the container lid of the fuel storage container before charging and then reinstalls the lid after charging. Because it has the aforementioned opening fixture, it also possesses the advantages described above, which will not be repeated here. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0037] Figure 1 This is a front view of the lid-opening fixture disclosed in an embodiment of the present invention;

[0038] Figure 2 This is a top view of the lid-opening fixture disclosed in an embodiment of the present invention.

[0039] Among them, 100 is the mounting bracket, 101 is the distance sensor, and 102 is the vision system;

[0040] 200 is the connector assembly / disassembly mechanism, 210 is the floating slide, 211 is the floating disk adjustment pin, 212 is the floating disk positioning pin, 220 is the sleeve, 221 is the suction component, 230 is the screwing mechanism, 231 is the elastic component, 232 is the centering component, 240 is the first driving component, and 241 is the reducer.

[0041] 300 is the cover-moving mechanism, 310 is the card holder fixing plate, 311 is the telescopic card holder, and 320 is the second driving component;

[0042] 400 is the purging device, 410 is the jet head, and 420 is the jet pipe;

[0043] 500 represents the connector to be disassembled or assembled;

[0044] 600 is for lifting bolts. Detailed Implementation

[0045] The core of this invention is to disclose a lid-opening tool to achieve automatic disassembly and assembly of container lids and improve work efficiency.

[0046] Hereinafter, embodiments will be described with reference to the accompanying drawings. Furthermore, the embodiments shown below do not limit the scope of the invention as described in the claims. Additionally, the complete contents of the configurations represented in the embodiments below are not limited to those necessary for the solution of the invention described in the claims.

[0047] Combination Figure 1 The lid-opening fixture disclosed in this embodiment of the invention is used to remove the connector 500 to be disassembled between the storage container and the container lid, and to remove the container lid. The fixture includes a mounting bracket 100, a connector disassembly / assembly mechanism 200, and a lid-moving mechanism 300. The mounting bracket 100 is used to connect a mobile device that can move the mounting bracket 100. The connector disassembly / assembly mechanism 200 is disposed on the mounting bracket 100 and is used to disassemble / assemble the connector 500 by rotating it. The lid-moving mechanism 300 is disposed on the mounting bracket 100 and, after removing the connector 500, can move the container lid to open the storage container.

[0048] When it is necessary to open the container lid, the mobile device moves the mounting bracket 100 to the container to be opened, and the connector disassembly and assembly mechanism 200 removes each connector 500 to be disassembled and assembled on the container lid. Then, the lid is moved away by the lid moving mechanism 300, thus realizing the opening operation of the storage container. When it is necessary to install the container lid, the mobile device is controlled to move the lid moving mechanism 300 to the designated position, and then the connector disassembly and assembly mechanism 200 assembles each connector 500 to be disassembled and assembled, thus realizing the installation of the container lid.

[0049] Compared with existing technologies, the lid-opening fixture disclosed in this embodiment of the invention can realize the automatic disassembly and assembly of container lids, improve work efficiency, and reduce the labor intensity of operators.

[0050] The aforementioned mobile device can be a structure with mobility, such as a robotic arm. The mounting bracket 100 can be connected to the end section of the robotic arm to transfer the container lid via the mobile device. At the same time, the mobile device has a lifting function to lift or lower the connector 500 to be disassembled or assembled during the disassembly and assembly process.

[0051] To achieve automatic assembly and disassembly of the connector 500, the connector assembly / disassembly mechanism 200 includes an assembly / disassembly tool, a floating slide 210, and a first drive member 240. The output shaft of the first drive member 240 is connected to the assembly / disassembly tool to drive the connector 500 to rotate and perform assembly / disassembly. The floating slide 210 is floatingly mounted on the mounting bracket 100, and the floating plane of the floating slide 210 is perpendicular to the extension direction of the assembly / disassembly tool. The first drive member 240 is connected to the floating slide 210, which allows the assembly / disassembly tool to move within the floating plane, thereby adjusting the position of the assembly / disassembly tool and facilitating alignment between the tool and the connector 500. Figure 1 The first drive unit 240 is located at the first end of the floating slide 210, and the disassembly and assembly tool is located at the second end of the floating slide 210. The output shaft of the first drive unit 240 passes through the floating slide 210 and drives the disassembly and assembly tool to rotate.

[0052] Furthermore, the first driving component 240 can be a servo motor, and the output shaft of the first driving component 240 is connected to a reducer 241. The reducer 241 is located between the first driving component 240 and the floating slide 210, in combination with... Figure 1The output shaft of the reducer 241 passes through the floating slide 210 and is connected to the disassembly / assembly tool via a transmission connection (at this time, the output shaft of the first drive member 240 is connected to the reducer 241 via a transmission connection, without needing to pass through the floating slide 210). The reducer 241 is bolted to the floating slide 210. The first drive member 240 can be fixed to the reducer 241 by connecting bolts and floats with the floating slide 210. A bearing is provided between the floating slide 210 and the output shaft of the reducer 241 to achieve relative rotation between the two, avoiding interference with the rotation of the disassembly / assembly tool.

[0053] In a specific embodiment of the present invention, the disassembly and assembly tool includes a sleeve 220, a centering member 232, and an elastic member 231. The sleeve 220 is drively connected to the output shaft of the first driving member 240. Figure 1 The centering member 232 is disposed within the sleeve 220 and has a centering head for embedding into the screw groove of the connector 500 to be disassembled. By inserting the centering member 232 into the screw groove of the connector 500 to be disassembled, the connector 500 to be disassembled can be rotated. The elastic member 231 is connected between the sleeve 220 and the centering member 232 to facilitate the alignment of the centering head with the screw groove of the connector 500 to be disassembled.

[0054] The centering head of the centering part 232 can be configured in different forms, such as a cross-shaped head or a straight head, to accommodate different shaped screw grooves. The open end of the sleeve 220 can be chamfered to facilitate the insertion of the connector 500 into the sleeve 220.

[0055] Through the extension and retraction of the elastic element 231, the centering element 232 can slide within the sleeve 220, ensuring that the centering element 232 always reliably abuts against the connector 500 to be disassembled or assembled during the tightening process. In order to limit the sliding range of the centering element 232, a limiting step is provided on the inner wall of the sleeve 220, and a limiting boss is provided on the centering element 232 for abutting against the limiting step to limit the first extreme position of the movement of the centering element 232. A baffle is provided at the end of the sleeve 220 near the output shaft of the reducer 241 to limit the second extreme position of the movement of the centering element 232.

[0056] The sleeve 220, the centering member 232, and the elastic member 231 constitute a screwing mechanism 230 for rotating the connector 500 to be disassembled. Those skilled in the art will understand that configuring the inner wall of the sleeve 220 at the end furthest from the first driving member 240 to conform to the side wall of the connector 500 to be disassembled can also allow the disassembly tool to rotate the connector 500.

[0057] Specifically, when the connector 500 to be disassembled or assembled is a bolt, the profile structure at the opening of the sleeve 220 can be nested and matched with the head of the bolt. For example, when the connector 500 to be disassembled or assembled is a hexagonal bolt, the profile structure can be the inner wall of a hexagon corresponding to the head of the hexagonal bolt.

[0058] To prevent the connector 500 from falling off during transfer, the sleeve 220 is provided with an adsorption element 221 that can hold the connector 500. Specifically, the adsorption element 221 can be a magnet disposed on the inner wall of the opening of the sleeve 220. The connector 500 can be moved with the mounting bracket 100 through the adsorption element 221 to temporarily store the connector 500.

[0059] like Figure 1 As shown, the connector assembly / disassembly mechanism 200 includes a limiting housing, which is mounted on the mounting bracket 100. A floating slide 210 is disposed within the limiting housing, with a floating gap between the floating slide 210 and the limiting housing. The limiting housing restricts the floating range of the floating slide 210. Ball bearings are provided at both ends of the floating slide 210 to facilitate its floating relative to the limiting housing and the mounting bracket 100.

[0060] In one specific embodiment, a floating disc adjusting pin 211 is provided on the limiting housing to restrict the floating of the floating slide 210. The floating disc adjusting pin 211 includes a fixed part, a movable part, and a telescopic part. The fixed part is disposed on the limiting housing, the movable part abuts against the floating slide 210, and the two ends of the telescopic part abut against the fixed part and the movable part, respectively. The telescopic part can be an elastic restoring element such as a spring, and the fixed part is a structural block fixedly installed on the limiting housing, and has a mounting groove for installing the spring. The first end of the movable part abuts against the spring, and the second end abuts against the floating slide 210. In order to better position with the spring, the first end of the movable part is provided with a positioning rod for inserting into the middle of the spring; in order to avoid scratching the floating slide 210, the second end of the floating movable part has a curved structure.

[0061] By adjusting the telescopic function of the floating disc adjusting pin 211, the floating slide 210 can be moved horizontally to adjust its position, so as to facilitate alignment with the connector 500 to be disassembled or assembled. The floating disc adjusting pin 211 can be multiple, for example four, evenly arranged along the circumference of the limiting housing, to facilitate the centering of the initial position of the floating slide 210.

[0062] Furthermore, the limiting housing is mounted on the mounting bracket 100 via the floating disk positioning pin 212, and the floating disk positioning pin 212 passes through the floating slide 210. A floating gap is also left between the floating disk positioning pin 212 and the floating slide 210 for floating. The floating disk positioning pin 212 can ensure the center guidance of the floating slide 210 and prevent the floating slide 210 from rotating relative to the limiting housing.

[0063] To prevent debris generated during disassembly and assembly from interfering with the process, the opening fixture disclosed in this embodiment of the invention further includes a blowing device 400, which includes a jet head 410 and a jet pipe 420. The nozzle of the jet head 410 faces the end of the disassembly and assembly tool used for the disassembly and assembly operation. One end of the jet pipe 420 is connected to the jet head 410, and the other end is connected to an air pump. The air pump can provide a blowing airflow to the jet head to prevent debris generated during screw removal and assembly from interfering with the disassembly and assembly process of the disassembly and assembly tool.

[0064] like Figure 1 As shown, the jet head 410 blows air towards the end of the sleeve 220 away from the mounting bracket 100. The blowing effect of the jet airflow can be changed by altering the structure of the jet head 410.

[0065] Combination Figure 2 The lid-moving mechanism 300 disclosed in this embodiment of the invention includes a tray fixing plate 310, a telescopic tray 311, and a second driving member 320. The tray fixing plate 310 is disposed on the mounting bracket 100, and the telescopic tray 311 is slidably disposed on the tray fixing plate 310, with a slot at the end of the telescopic tray 311 for engaging with the container lid. The second driving member 320 is disposed on the tray fixing plate 310 and is drively connected to the telescopic tray 311 to push the telescopic tray 311 to engage with the container lid.

[0066] The second driving component 320 can be a driving electric cylinder (pneumatic cylinder). A slide rail can be provided on the tray fixing plate 310 to facilitate the sliding of the telescopic tray 311. The second driving component 320 is bolted to the tray fixing plate 310. The second driving component 320 can push the telescopic tray 311 to extend and finally make the slot on the telescopic tray 311 engage with the container lid.

[0067] Specifically, the container lid may have a pre-set structure for engaging with the slot, such as a lifting bolt 600 installed on the container lid, and the slot may engage with the bolt head of the lifting bolt 600. The slot may be formed by two claws provided on the telescopic bracket 311, and the lid moving mechanism 300 and the mounting bracket 100 may be bolted together.

[0068] To facilitate the positioning of the connector 500 to be disassembled or assembled, a vision system 102 and a distance sensor 101 are installed on the mounting bracket 100 near the disassembly / assembly tool. The vision system 102 allows the moving equipment (robotic arm) to easily adjust the position of the mounting bracket 100, thereby achieving precise positioning of the disassembly / assembly tool and the connector 500 to be disassembled or assembled. The distance sensor 101 detects the distance between the mounting bracket 100 and the container lid, thereby automating the disassembly / assembly of the connector 500.

[0069] like Figure 2 As shown, in order to improve the efficiency of disassembly and assembly of the connector 500, there are two connector disassembly and assembly mechanisms 200 symmetrically arranged on the mounting bracket 100, and two purging devices 400 corresponding to the connector disassembly and assembly mechanisms 200 and arranged between the two connector disassembly and assembly mechanisms 200, so that the blowing airflow blows towards the outside of the mounting bracket 100, avoiding interference between different blowing airflows.

[0070] To enable the movement of the container lid, two lid-moving mechanisms 300 are symmetrically arranged on the mounting bracket 100. Figure 2 The connecting component disassembly and assembly mechanism 200 and the cover-moving mechanism 300 are arranged vertically in a cross shape, and the telescopic brackets 311 of the two cover-moving mechanisms 300 extend in a direction away from each other and are respectively engaged with the lifting bolts 600.

[0071] The aforementioned container cover can be a container cover for a storage container used in a high-temperature gas-cooled reactor, and the connector 500 to be disassembled can be a connecting bolt used to connect the container cover.

[0072] In a specific embodiment of the present invention, the mounting bracket 100 is moved above the connecting bolt by a robotic arm and gradually approaches the connecting bolt. A servo motor drives the sleeve 220 to rotate, the robotic arm gradually descends, and the floating slide 210 adaptively adjusts to the center position of the connecting bolt. The bolt head enters the sleeve 220, and the centering member 232 of the screwing mechanism 230 automatically adjusts and embeds into the screwing groove of the connecting bolt head. The servo motor drives the sleeve 220 to rotate. As the robotic arm rises, the rotation of the sleeve 220 causes the connecting bolt to rotate away from the container lid, and the built-in magnet of the sleeve 220 attracts the connecting bolt as the mounting bracket 100 rises. At the same time, the air pump supplies air and delivers a jet stream to the jet head 410 through the jet pipe 420. The jet head 410 of the blowing device 400 outputs a planar airflow to blow away debris and debris around the connecting bolt. After the connecting bolt is detached from the container lid, the telescopic bracket 311 of the mechanical lid-moving mechanism 300 extends and locks the lifting bolt 600 fixed on the container lid. The robotic arm drives the mounting bracket 100 to move, thereby transferring the container lid.

[0073] The charging system disclosed in this invention includes the aforementioned opening fixture, which removes the container lid of the fuel storage container before charging and then reinstalls the lid after charging. Because it has the aforementioned opening fixture, it also possesses the advantages described above, which will not be repeated here.

[0074] The terms "first" and "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or apparatus that includes a series of steps or units may include steps or units not listed, but rather steps or units not listed.

[0075] The above description of the disclosed embodiments enables those skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

[0076] The above description is merely a preferred embodiment of this application and an explanation of the technical principles employed, and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. The scope of this application is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described application concept. For example, technical solutions formed by substituting the above features with (but not limited to) technical features with similar functions disclosed in this application.

Claims

1. An uncapping tool for removing a connection (500) to be disassembled, which is connected between a storage container and a container lid, and moving the container lid away, characterized in that The utility model relates to a kind of container connection piece dismounting device, including: Mounting bracket (100) for connecting mobile device; Connector dismounting mechanism (200) is provided on the mounting bracket (100), for screwing the connector to be dismounted (500); Cover moving mechanism (300) is provided on the mounting bracket (100), for moving the container cover; The connector dismounting mechanism (200) includes: Dismounting tool; First driving member (240), the output shaft of the first driving member (240) is connected with the dismounting tool, to drive the connector to be dismounted (500) rotation; Floating slide (210) is floatingly arranged on the mounting bracket (100), and the floating plane of the floating slide (210) is perpendicular to the extension direction of the dismounting tool, and the first driving member (240) is connected with the floating slide (210), so that the floating slide (210) can drive the dismounting tool to float and align with the connector to be dismounted (500); It further includes purging device (400), and the purging device (400) includes: Jet head (410), the nozzle of the jet head (410) is towards the dismounting tool; Jet pipe (420), one end is communicated with the jet head (410), and the other end is used for being communicated with air pump, to provide jet flow.

2. The decap tool of claim 1, wherein The dismounting tool includes: Sleeve (220) is connected with the output shaft of the first driving member (240); Centering piece (232) is arranged in the sleeve (220), and has centering head for embedding the screw groove of the connector to be dismounted (500); Elastic member (231) is connected between the sleeve (220) and the centering piece (232).

3. The decap tool of claim 2, wherein Suction member (221) is arranged on the sleeve (220) for adsorbing the connector to be dismounted (500).

4. The cover opening tool of claim 1, wherein The connector dismounting mechanism (200) includes limiting shell, the limiting shell is arranged on the mounting bracket (100), and the floating slide (210) is arranged in the limiting shell, and floating gap is arranged between the floating slide (210) and the limiting shell;Two contact ends of the floating slide (210) are respectively provided with ball.

5. The decap tool of claim 4, wherein the first and second arms are configured to move in a direction that is substantially parallel to the first and second arms. Floating disc adjusting pin (211) is arranged on the limiting shell for limiting the floating of the floating slide (210); The floating disc adjusting pin (211) includes fixed part, moving part and telescopic part, the fixed part is arranged on the limiting shell, the moving part is in abutment with the floating slide (210), and the telescopic part is in abutment with the fixed part and moving part respectively, and the telescopic part is elastic return element.

6. The cover opening tool according to any one of claims 1 to 5, wherein The cover moving mechanism (300) includes: Toka fixed plate (310) is arranged on the mounting bracket (100); Telescopic card holder (311) is slidingly arranged on the toka fixed plate (310), and the end of the telescopic card holder (311) is provided with clamping groove for clamping with the container cover; A second driving member (320) is arranged on the Toka fixing plate (310) and is in transmission connection with the telescopic card holder (311) to push the telescopic card holder (311) to be clamped with the container cover.

7. The cover opening tool according to any one of claims 1 to 5, wherein The connecting piece dismounting mechanism (200) is symmetrically arranged on the mounting bracket (100). The cover moving mechanism (300) is symmetrically arranged on the mounting bracket (100).

8. The decap tool of claim 1, wherein, The container cover is a container cover applied to a storage container of a high-temperature gas cooled reactor, and the connecting piece to be dismounted (500) is a connecting bolt used for connecting the container cover.

9. The decap tool of claim 1, wherein, A vision camera is arranged on the mounting bracket (100) to detect the distance between the mounting bracket (100) and the container cover.

10. A charging system, characterized in that The cover opening tool comprises the cover opening tool according to any one of claims 1-9.

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