Railway installation aid for nuclear power plants

Abstract

The application provides a nuclear power station track installation auxiliary device, and relates to the technical field of nuclear power installation.The nuclear power station track installation auxiliary device comprises a fixed chassis, a first lifting assembly, a first driving assembly and a main arm assembly.A lifting fork is arranged on the lifting assembly.The lifting fork is used for being connected with a track, for lifting the height of the track and adjusting the posture of the track.A plurality of clamping mechanisms are slidably arranged in the first direction of the main arm body.The clamping mechanisms are used for clamping the track, so that the track is fixed on the lifting fork and moves with the lifting fork.The main arm body of the nuclear power station track installation auxiliary device is provided with a plurality of clamping mechanisms.The clamping mechanisms can fix the track and the main arm body together, and do not affect the relative movement of the track and the main arm body in the height direction, so that the position of the track is adjusted by using a machine, the efficiency of adjusting the straightness and perpendicularity of the track is improved, and the installation efficiency is improved.

Description

Technical Field

[0001] This invention relates to the technical field of nuclear power plant installation, and in particular to an auxiliary device for track installation in nuclear power plants. Background Technology

[0002] The new fuel lift is an important piece of equipment in the fuel handling and storage system (PMC system). It is installed in the fuel plant and is fixed to the wall of the spent fuel storage pool by welding 16 base plates on 8 side supports. The installation of the new fuel lift track must meet the following requirements: the straightness of the entire track section in the total height is ≤1.5mm, the verticality is ≤2mm, and the height difference of the track surface at the track joint is less than 0.1mm.

[0003] The new fuel lift track consists of three sections: upper, middle, and lower, with a total length of 13.7m after installation. Before adjustment, the upper, middle, and lower sections are positioned and assembled as a whole, and the straightness and verticality of the track are adjusted using jacks. Only after the straightness and verticality of the track are properly adjusted can the base plate be spot-welded and welded. During the adjustment process, due to the lack of an effective method for fixing the track, the positions of the other two sections may change when adjusting one section, resulting in a significant amount of time being spent repeatedly adjusting all three sections on-site. Furthermore, due to space constraints, the adjusted track must be removed when welding the base plate. After the base plate is welded and polished, the track must be reinstalled, and the straightness and verticality of the track must be repeatedly adjusted again, consuming considerable manpower and time.

[0004] In addition, before installation, scaffolding needs to be erected from the bottom of the pool at +4.56 meters to the +18.3-meter platform. After installation, the scaffolding platform also needs to be dismantled, which consumes a lot of labor and time costs. The scaffolding platform needs to be erected in 8 layers. Due to the influence of the height and space of each platform, in order to cooperate with the measurement to adjust the straightness and verticality of the new fuel elevator track, some areas of the erected scaffolding platform need to be repeatedly dismantled and reassembled. The construction workers face great difficulties in operation during installation and welding, which increases the quality and safety risks. Summary of the Invention

[0005] The purpose of this invention is to provide auxiliary equipment for the installation of nuclear power plant tracks, so as to alleviate the technical problems of high track installation accuracy requirements and time-consuming and labor-intensive repeated track adjustments during the current track installation process.

[0006] This invention provides an auxiliary device for track installation in nuclear power plants, comprising a fixed base frame, a first lifting assembly, a first drive assembly, and a main boom assembly; The first lifting assembly is slidably mounted on the fixed base frame, and one end of the main boom assembly is hinged to the first lifting assembly; the first drive assembly is connected to the first lifting assembly, and the first drive assembly causes the first lifting assembly to move on the fixed base frame. The first lifting assembly is used to rotate the main boom assembly and to vertically mount the main boom assembly on the fixed base frame; The main boom assembly is provided with a main boom body, the main boom body is provided with a lifting assembly, and the lifting assembly is provided with a lifting fork. The lifting fork is used to connect with the track, to raise the height of the track and adjust the attitude of the track; Multiple clamping mechanisms are slidably arranged in the first direction of the main arm body. The clamping mechanisms are used to clamp the rail, so that the rail is fixed on the lifting fork and moves with the lifting fork. The first direction is the length direction of the main arm body.

[0007] In an optional embodiment, lifting guide rails extending along the first direction are provided on both sides of the main boom body in the second direction. The clamping mechanism is equipped with a lifting slider that matches the lifting guide rail; The second direction is the direction in which the first lifting component moves on the fixed base frame. In an optional embodiment, the clamping mechanism includes a first clamping component and a second clamping component, which are symmetrically arranged on both sides of the main arm body.

[0008] In an optional embodiment, the first clamping assembly includes a conversion plate, a base plate, an upper lifting assembly, and a lower lifting assembly; The lifting slider is disposed on the conversion plate, the conversion plate is disposed at one end of the base plate, and the upper lifting assembly and the lower lifting assembly are disposed at the other end of the base plate; Furthermore, the upper lifting component is located at the upper end of the lower lifting component, and the upper lifting component and the lower lifting component cooperate to clamp and fix the track.

[0009] In an optional embodiment, the base plate is provided with an upper fixing plate and a lower fixing plate, and the upper fixing plate is disposed at the upper end of the lower fixing plate; A first clamping screw is rotatably mounted on the upper fixed plate, and the lower end of the first clamping screw is rotatably mounted on the lower fixed plate. Both the upper lifting assembly and the lower lifting assembly are screwed onto the first clamping screw, which clamps or releases the track.

[0010] In an optional embodiment, the base plate is further provided with two guide posts, and the first clamping screw is disposed between the two guide posts; The guide post passes through the upper lifting assembly and the lower lifting assembly. In an optional embodiment, the lifting assembly includes an upper fixed slide and an upper movable gripper, one end of which is provided with an upper clamping groove with an opening facing downward. An upper guide groove is provided on the lower end face of the upper movable gripper; an upper guide platform extending into the upper guide groove is provided at one end of the upper fixed slide. An upper guide rail is provided above the upper guide platform, and an upper guide slider matching the upper guide rail is provided in the upper guide groove. An upper adjusting screw is provided on the upper fixed slide. The upper adjusting screw is rotatably mounted on the upper fixed slide and is screwed to the upper movable jaw. The distance between the upper movable jaw and the upper fixed slide is adjusted by rotating the upper adjusting screw.

[0011] In an optional embodiment, the lower lifting assembly includes a lower movable gripper with an upward-facing lower clamping groove, and the upper clamping groove cooperates with the lower clamping groove to clamp the track. In an optional embodiment, the first lifting assembly includes a sliding base and an adjusting base. The adjusting base is hinged to the sliding base, and at least one adjusting cylinder is provided on each side of the sliding base in a second direction. One end of the adjusting cylinder is hinged to the sliding base, and the other end is hinged to the adjusting base. The adjusting cylinder is used to rotate the adjusting base. In an optional embodiment, a lifting platform is provided on both sides of the first lifting component, and the lifting platform is fixedly mounted on the fixed base frame. Furthermore, a counterweight is provided at the end of the fixed base frame that is away from the main boom assembly.

[0012] The main arm of the nuclear power plant track installation auxiliary equipment provided by the present invention is equipped with multiple clamping mechanisms. These clamping mechanisms can fix the track to the main arm without affecting the relative movement of the track and the main arm in the height direction. This enables the mechanical adjustment of the track position, improves the efficiency of adjusting the straightness and verticality of the track, and increases the installation efficiency. Attached Figure Description To more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the structure of the nuclear power plant track installation auxiliary equipment provided in an embodiment of the present invention; Figure 2 for Figure 1 The diagram shows the structural schematic of the main boom assembly of the nuclear power plant track-mounted auxiliary equipment. Figure 3 for Figure 1 The diagram shows the connection between the clamping mechanism of the auxiliary equipment for track installation in a nuclear power plant and the track. Figure 4 for Figure 1 A schematic diagram of the first clamping assembly of the clamping mechanism for the auxiliary equipment for track installation in a nuclear power plant. Figure 5 for Figure 4 A schematic diagram of the lifting assembly of the first clamping component shown; Figure 6 for Figure 5 A schematic diagram of the lifting assembly from another angle is shown; Figure 7 for Figure 1 The diagram shows the connection between the fixed base frame, the first lifting assembly, and the first drive assembly of the nuclear power plant track installation auxiliary equipment. Figure 8 This is a schematic diagram of the track structure provided in an embodiment of the present invention.

[0014] Icons: 100-Fixed base frame; 200-First lifting assembly; 201-Sliding base; 202-Adjusting base; 203-Adjusting cylinder; 300-First drive assembly; 400-Main boom assembly; 500-Railway; 600-Lifting assembly; 700-Lifting fork; 800-Clamping mechanism; 900-Lifting guide rail; 110-Lifting slider; 120-First clamping assembly; 121-Conversion plate; 122-Base plate; 1221- Upper fixed plate; 1222-Lower fixed plate; 1223-First clamping screw; 1224-Guide column; 123-Upper lifting assembly; 1231-Upper fixed slide; 1232-Upper moving gripper; 1233-Upper guide groove; 1234-Upper guide platform; 1235-Upper guide rail; 1236-Upper guide slider; 1237-Upper adjusting screw; 1238-Upper clamping groove; 124-Lower lifting assembly; 130-Second clamping assembly. Detailed Implementation

[0015] The terms “first,” “second,” “third,” etc., are used only for distinguishing descriptions and do not indicate a sequence number, nor should they be interpreted as indicating or implying relative importance.

[0016] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0017] In the description of this application, it should be noted that the terms "inner", "outer", "left", "right", "upper", "lower", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application 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 limitations on this application.

[0018] In the description of this application, unless otherwise expressly specified and limited, the terms “set up,” “install,” “connect,” and “link” shall be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; as a mechanical connection or an electrical connection; as a direct connection or an indirect connection through an intermediate medium; or as a connection within two components.

[0019] The technical solution of this application will now be clearly and completely described with reference to the accompanying drawings.

[0020] Example Reference Figures 1-8 The present invention provides a nuclear power plant track installation auxiliary equipment, including a fixed base frame 100, a first lifting assembly 200, a first drive assembly 300, and a main boom assembly 400; The first lifting assembly 200 is slidably mounted on the fixed base frame 100, and one end of the main boom assembly 400 is hinged to the first lifting assembly 200; the first drive assembly 300 is connected to the first lifting assembly 200, and the first drive assembly 300 causes the first lifting assembly 200 to move on the fixed base frame 100. The first lifting component 200 is used to rotate the main boom assembly 400 and to vertically mount the main boom assembly 400 on the fixed base frame 100; The main boom assembly 400 is provided with a main boom body, the main boom body is provided with a lifting assembly 600, and the lifting assembly 600 is provided with a lifting fork 700. The lifting fork 700 is used to connect with the rail 500, and is used to raise the height of the rail 500 and adjust the posture of the rail 500. Multiple clamping mechanisms 800 are slidably arranged in the first direction of the main arm body. The clamping mechanisms 800 are used to clamp the track 500, so that the track 500 is fixed on the lifting fork 700 and moves with the lifting fork 700. The first direction is the length direction of the main arm body.

[0021] In some embodiments, the fixed base frame 100 of the nuclear power plant track installation auxiliary equipment is provided with a guide groove, the first lifting component 200 is disposed in the guide groove, the fixed base frame 100 is provided with an upper limit plate, and the sliding base 201 of the first lifting component 200 is provided with a plurality of guide wheels, the guide wheels abutting against the upper limit plate, so that the sliding base 201 moves smoothly in the guide groove, thereby allowing the first lifting component 200 to slide smoothly on the fixed base frame 100.

[0022] The first drive assembly 300 is mounted on the first lifting assembly 200. The first drive assembly 300 rotates the main boom assembly 400, thereby making the main boom assembly 400 vertical and ensuring that the track 500 is vertical.

[0023] A lifting assembly 600 is provided on the main boom body, which enables the lifting fork 700 to be raised and lowered; the lower end of the track 500 is located on the lifting fork 700, and the lifting assembly 600 can adjust the height of the track 500 assembly by adjusting the height of the lifting fork 700.

[0024] In order to ensure that the track 500 can be firmly fixed on the main boom assembly 400, multiple clamping mechanisms 800 are provided on both sides of the main boom body in the first direction. The multiple clamping mechanisms 800 cooperate to clamp the track 500, so that the track 500 can move synchronously with the lifting fork 700, and ensure that the track 500 will not detach from the main boom assembly 400.

[0025] In some embodiments, the main boom body is divided into multiple sections, all of which are spliced ​​together using high-quality steel; the first section of the main boom is hinged to the first lifting assembly 200, and the other sections of the main boom are connected by high-strength bolts; the first section of the main boom can be flipped, and after flipping, the other sections of the main boom can be installed again.

[0026] The track 500 consists of three sections: upper, middle, and lower. After installation, the total length of the track 500 is 13.7m. Before adjustment, the track 500 is positioned by pressing down the upper and middle sections and assembling it into a whole.

[0027] Reference Figure 2In an optional embodiment, both sides of the main arm body in the second direction are provided with lifting guide rails 900 extending along the first direction. The clamping mechanism 800 is provided with a lifting slider 110 that matches the lifting guide rail 900; The second direction is the direction in which the first lifting component 200 moves on the fixed base frame 100. Reference Figure 3 In an optional embodiment, the clamping mechanism 800 includes a first clamping component 120 and a second clamping component 130, which are symmetrically arranged on both sides of the main arm body.

[0028] Two lifting guide rails 900 are respectively provided on both sides of the main arm body in the second direction. Multiple lifting sliders 110 are provided on the first clamping assembly 120 and the second clamping assembly 130. The lifting sliders 110 are slidably disposed on the lifting guide rails 900.

[0029] After the clamping mechanism 800 first clamping component 120 and second clamping component 130 cooperate to clamp the track 500, when the track 500 is raised and lowered under the action of the lifting fork 700, the clamping mechanism 800 can move along the lifting guide rail 900 and rise and fall synchronously with the track 500 to ensure that the track 500 is firmly fixed on the main arm assembly 400.

[0030] Reference Figure 4 In an optional embodiment, the first clamping assembly 120 includes a conversion plate 121, a base plate 122, an upper lifting assembly 123, and a lower lifting assembly 124. The lifting slider 110 is disposed on the conversion plate 121, the conversion plate 121 is disposed at one end of the base plate 122, and the upper lifting assembly 123 and the lower lifting assembly 124 are disposed at the other end of the base plate 122; The upper lifting component 123 is located at the upper end of the lower lifting component 124, and the upper lifting component 123 and the lower lifting component 124 cooperate to clamp and fix the track 500.

[0031] In some embodiments, the first clamping component 120 and the second clamping component 130 are symmetrically arranged, and the structures of the first clamping component 120 and the second clamping component 130 are basically the same; a lifting slider 110 is provided on the conversion plate 121 of the first clamping component 120, the conversion plate 121 is disposed on the base plate 122, and the upper lifting component 123 and the lower lifting component 124 are connected to the track 500. When the track 500 is raised or lowered, it drives the base plate 122 to be raised or lowered, thereby driving the conversion plate 121 to be raised or lowered.

[0032] In an optional embodiment, the base plate 122 is provided with an upper fixing plate 1221 and a lower fixing plate 1222, and the upper fixing plate 1221 is disposed at the upper end of the lower fixing plate 1222. A first clamping screw 1223 is rotatably disposed on the upper fixed plate 1221, and the lower end of the first clamping screw 1223 is rotatably disposed on the lower fixed plate 1222. The upper lifting assembly 123 and the lower lifting assembly 124 are both screwed onto the first clamping screw 1223, which causes the upper lifting assembly 123 and the lower lifting assembly 124 to clamp or release the track 500.

[0033] To enable the opening and closing of the upper lifting assembly 123 and the lower lifting assembly 124, an upper fixing plate 1221 and a lower fixing plate 1222 are fixedly installed on the base plate 122. A first clamping screw 1223 is rotatably mounted on the upper fixing plate 1221 and the lower fixing plate 1222. The upper lifting assembly 123 and the lower lifting assembly 124 are screwed onto the first clamping screw 1223. By rotating the first clamping screw 1223, the distance between the upper lifting assembly 123 and the lower lifting assembly 124 can be increased or decreased, that is, the upper lifting assembly 123 and the lower lifting assembly 124 are used to clamp the track 500, so that the track 500 is fixed on the main arm assembly 400.

[0034] In an optional embodiment, the base plate 122 is further provided with two guide posts 1224, and the first clamping screw 1223 is disposed between the two guide posts 1224. The guide post 1224 passes through the upper lifting assembly 123 and the lower lifting assembly 124.

[0035] To ensure the smooth lifting of the upper lifting assembly 123 and the lower lifting assembly 124, two guide columns 1224 are provided on the base plate 122. The two guide columns 1224 are fixedly installed on the base plate 122, and both guide columns 1224 pass through the upper lifting assembly 123 and the lower lifting assembly 124, thus ensuring that the upper lifting assembly 123 and the lower lifting assembly 124 can lift smoothly. Reference Figure 5 In an optional embodiment, the lifting assembly 123 includes an upper fixed slide 1231 and an upper movable gripper 1232, one end of which is provided with an upper clamping groove 1238 with an opening facing downward. An upper guide groove 1233 is provided on the lower end face of the upper movable gripper 1232; an upper guide platform 1234 extending into the upper guide groove 1233 is provided at one end of the upper fixed slide 1231. An upper guide rail 1235 is provided above the upper guide platform 1234, and an upper guide slider 1236 matching the upper guide rail 1235 is provided in the upper guide groove 1233. An upper adjusting screw 1237 is provided on the upper fixed slide 1231. The upper adjusting screw 1237 is rotatably mounted on the upper fixed slide 1231. The upper adjusting screw 1237 is screwed to the upper moving jaw 1232. The distance between the upper moving jaw 1232 and the upper fixed slide 1231 is adjusted by rotating the upper adjusting screw 1237.

[0036] In an optional embodiment, the lower lifting assembly 124 includes a lower moving gripper, on which a lower clamping groove with an opening facing upward is provided, and the upper clamping groove 1238 cooperates with the lower clamping groove to clamp the track 500. In some embodiments, the upper lifting assembly 123 has an upper movable gripper 1232, and the lower lifting assembly 124 has a lower movable gripper. The upper clamping groove 1238 of the upper movable gripper 1232 and the lower clamping groove of the lower movable gripper cooperate to clamp the track 500.

[0037] The upper lifting assembly 123 and the lower lifting assembly 124 are symmetrically arranged. The lower end of the upper moving gripper 1232 is provided with an upper guide groove 1233. Multiple upper guide sliders 1236 are provided in the upper guide groove 1233. An upper guide rail 1235 is provided on the upper guide platform 1234, and the upper guide sliders 1236 are slidably arranged on the upper guide rail 1235.

[0038] The upper adjusting screw 1237 is rotatably mounted on the upper fixed slide 1231 and screwed onto the upper moving jaw 1232. When the upper adjusting screw 1237 is rotated, it remains relatively fixed to the upper fixed slide 1231. The upper adjusting screw 1237 causes the upper moving jaw 1232 to move towards the upper fixed slide 1231. To ensure precise relative movement between the upper moving jaw 1232 and the upper fixed slide 1231, the upper guide platform 1234 is fitted into the upper guide groove 1233. The upper guide platform 1234 and the upper guide groove 1233 cooperate to ensure precise movement of the upper moving jaw 1232.

[0039] The upper moving jaw 1232 and the lower moving jaw move precisely to the position corresponding to the track 500 and clamp the track 500.

[0040] Reference Figure 7In an optional embodiment, the first lifting assembly 200 includes a sliding base 201 and an adjusting base 202. The adjusting base 202 is hinged to the sliding base 201, and at least one adjusting cylinder 203 is respectively provided on both sides of the sliding base 201 in a second direction. One end of the adjusting cylinder 203 is hinged to the sliding base 201, and the other end is hinged to the adjusting base 202. The adjusting cylinder 203 is used to rotate the adjusting base 202. In some embodiments, the fixed base frame 100 is used to be placed in the spent fuel storage tank, the first lifting assembly 200 is slidably disposed on the fixed base frame 100, and the moving direction of the first lifting assembly 200 is towards the tank wall of the spent fuel storage tank; one end of the main boom assembly 400 is hinged to the first lifting assembly 200, the first lifting assembly 200 can rotate the main boom assembly 400, thereby rotating the main boom assembly 400 to a vertical state and moving the main boom assembly 400 towards the tank wall through the first driving assembly 300.

[0041] The adjusting base 202 is hinged to the sliding base 201. Two adjusting cylinders 203 are provided on the sliding base 201. The two adjusting cylinders 203 cooperate to rotate the adjusting base 202, thereby causing the main boom assembly 400 to rotate within a certain range; ensuring that the main boom assembly 400 is vertical.

[0042] Two first lifting cylinders are generally installed on the sliding base 201. One end of the first lifting cylinder is hinged to the sliding base 201, and the other end is hinged to the main arm body. The first lifting cylinder rotates the main arm body by extending and retracting.

[0043] Two first guide rails are provided on the fixed base 100, and two first guide sliders are provided on the sliding base 201. Each first guide rail is equipped with multiple first guide sliders, so that the sliding base 201 can move smoothly on the guide rails.

[0044] The first drive motor of the first drive assembly 300 is fixedly mounted on the fixed base 100, and the first drive motor cannot move relative to the fixed base 100; the first drive motor causes the drive screw to rotate, and the drive screw is screwed onto the sliding base 201. By rotating the drive screw, the sliding base 201 moves on the fixed base 100.

[0045] In an optional embodiment, a lifting platform is provided on both sides of the first lifting component 200, and the lifting platform is fixedly mounted on the fixed base frame 100. A counterweight is provided at the end of the fixed base frame 100 that is away from the main boom assembly 400.

[0046] A lifting platform is installed on the fixed base frame 100. Workers can move up and down using the lifting platform, which facilitates rapid movement of workers and provides an operating platform for subsequent welding and other operations.

[0047] The lifting platform is a movable lifting platform, but to ensure the stability of the lifting platform, it needs to be fixed on the fixed base frame 100 during operation. The lifting platform adopts a scissor fork type, and the two side lifting platforms can be raised and lowered independently. The lifting platform has a load capacity of about 300kg, and the middle connecting platform has a load capacity of about 200kg. Protective railings are installed around the perimeter to ensure the protection of personnel when working at height.

[0048] A counterweight is installed on the fixed base frame 100 to ensure that the fixed base frame 100 can be firmly fixed during operation and to avoid problems such as tipping over.

[0049] The fixed base frame 100 is made of high-quality profiles. Due to the limited number of lifting hole positions, the vehicle body and base frame may be spliced ​​together depending on the actual situation to facilitate lifting operations. Since it is not possible to fix it on the ground, it is considered to add counterweights around the base frame to fix the overall tooling by relying on the weight of the counterweights.

[0050] The auxiliary equipment for nuclear power plant track installation solves the problems of high precision requirements for track 500 adjustment, the need for repeated adjustments to track 500 position, and the inability to effectively fix track 500; it also solves the problems of limited space at the work site, inconvenience for workers to exert force, and difficulty in operation.

[0051] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A nuclear power plant track installation auxiliary device, characterized in that, It includes a fixed base frame (100), a first lifting assembly (200), a first drive assembly (300), and a main boom assembly (400). The first lifting assembly (200) is slidably disposed on the fixed base frame (100), and one end of the main boom assembly (400) is hinged to the first lifting assembly (200); the first drive assembly (300) is connected to the first lifting assembly (200), and the first drive assembly (300) causes the first lifting assembly (200) to move on the fixed base frame (100); The first lifting assembly (200) is used to rotate the main boom assembly (400) and to vertically mount the main boom assembly (400) on the fixed base frame (100); The main boom assembly (400) is provided with a main boom body, the main boom body is provided with a lifting assembly (600), and the lifting assembly (600) is provided with a lifting fork (700). The lifting fork (700) is used to connect with the rail (500) to raise the height of the rail (500) and adjust the posture of the rail (500); Multiple clamping mechanisms (800) are slidably arranged in the first direction of the main arm body. The clamping mechanisms (800) are used to clamp the rail (500), so that the rail (500) is fixed on the lifting fork (700) and moves with the lifting fork (700); The first direction is the length direction of the main arm body; Both sides of the main boom body in the second direction are provided with lifting guide rails (900) extending along the first direction. The clamping mechanism (800) is provided with a lifting slider (110) that matches the lifting guide rail (900). The second direction is the direction of movement of the first lifting assembly (200) on the fixed base frame (100); The clamping mechanism (800) includes a first clamping component (120) and a second clamping component (130), which are symmetrically arranged on both sides of the main arm body. The first clamping assembly (120) includes a conversion plate (121), a base plate (122), an upper lifting assembly (123), and a lower lifting assembly (124). The lifting slider (110) is disposed on the conversion plate (121), the conversion plate (121) is disposed at one end of the base plate (122), and the upper lifting assembly (123) and the lower lifting assembly (124) are disposed at the other end of the base plate (122); The upper lifting component (123) is located at the upper end of the lower lifting component (124), and the upper lifting component (123) and the lower lifting component (124) cooperate to clamp and fix the track (500).

2. The nuclear power plant track installation auxiliary equipment according to claim 1, characterized in that, The base plate (122) is provided with an upper fixing plate (1221) and a lower fixing plate (1222), and the upper fixing plate (1221) is located at the upper end of the lower fixing plate (1222); A first clamping screw (1223) is rotatably disposed on the upper fixed plate (1221), and the lower end of the first clamping screw (1223) is rotatably disposed on the lower fixed plate (1222); The upper lifting assembly (123) and the lower lifting assembly (124) are both screwed onto the first clamping screw (1223), and the first clamping screw (1223) causes the upper lifting assembly (123) and the lower lifting assembly (124) to clamp or release the track (500).

3. The nuclear power plant track installation auxiliary equipment according to claim 2, characterized in that, The base plate (122) is also provided with two guide posts (1224), and the first clamping screw (1223) is disposed between the two guide posts (1224); The guide post (1224) passes through the upper lifting assembly (123) and the lower lifting assembly (124).

4. The nuclear power plant track installation auxiliary equipment according to claim 2, characterized in that, The lifting assembly (123) includes an upper fixed slide (1231) and an upper movable gripper (1232). One end of the upper movable gripper (1232) is provided with an upper clamping groove (1238) with an opening facing downward. An upper guide groove (1233) is provided on the lower end face of the upper movable gripper (1232); an upper guide platform (1234) extending into the upper guide groove (1233) is provided at one end of the upper fixed slide (1231). An upper guide rail (1235) is provided above the upper guide platform (1234), and an upper guide slider (1236) matching the upper guide rail (1235) is provided in the upper guide groove (1233). An upper adjusting screw (1237) is provided on the upper fixed slide (1231). The upper adjusting screw (1237) is rotatably mounted on the upper fixed slide (1231). The upper adjusting screw (1237) is screwed to the upper moving jaw (1232). The distance between the upper moving jaw (1232) and the upper fixed slide (1231) is adjusted by rotating the upper adjusting screw (1237).

5. The nuclear power plant track installation auxiliary equipment according to claim 4, characterized in that, The lower lifting assembly (124) includes a lower moving gripper, and a lower clamping groove with an opening facing upward is provided on the lower moving gripper. The upper clamping groove (1238) cooperates with the lower clamping groove to clamp the track (500).

6. The nuclear power plant track installation auxiliary equipment according to claim 1, characterized in that, The first lifting assembly (200) includes a sliding base (201) and an adjusting base (202). The adjusting base (202) is hinged to the sliding base (201), and at least one adjusting cylinder (203) is provided on both sides of the sliding base (201) in a second direction. One end of the adjusting cylinder (203) is hinged to the sliding base (201), and the other end is hinged to the adjusting base (202). The adjusting cylinder (203) is used to rotate the adjusting base (202).

7. The nuclear power plant track installation auxiliary equipment according to claim 1, characterized in that, The first lifting assembly (200) is provided with lifting platforms on both sides, and the lifting platforms are fixedly mounted on the fixed base frame (100); A counterweight is provided at the end of the fixed base frame (100) away from the main boom assembly (400).

Images