Special tool for moving large nuclear power fan

Abstract

The utility model is applicable to the field of nuclear power fans, and discloses a special tool for moving a large nuclear power fan, which comprises a slide rail fixed on the ground, a bearing slide component arranged in the slide rail and a hand wheel component for driving the bearing slide component to move along the slide rail, the sliding rail comprises a bottom face arranged on the ground and surrounding edges formed by extending upwards from the four faces of the bottom face, and threaded through holes are formed in the surrounding edges in the length direction of the sliding rail. The bearing sliding assembly comprises a platform used for bearing a heavy object and connected with the hand wheel assembly, and a plurality of pulley blocks arranged below the platform. The hand wheel comprises a threaded rod penetrating through the threaded through hole and connected with the platform, a transmission rod connected with the end, away from the sliding rail, of the threaded rod, and a handle connected with the end, away from the threaded rod, of the transmission rod. The sliding rail is laid on a fan moving path, and the hand wheel assembly is used for driving the bearing sliding assembly on the sliding rail to move. When the hand wheel is shaken, the bearing sliding assembly rolls along the sliding rail, and the large-weight fan is driven to move stably as a whole.

Description

TECHNICAL FIELD

[0001] The utility model relates to nuclear power fan field especially relates to nuclear power large -scale fan removes special tool. BACKGROUND

[0002] The steam turbine plant ventilation system has the important function of guaranteeing normal ventilation, timely heat dissipation and adjusting the humidity of the plant, influences the reliability of the internal equipment of the steam turbine plant, can also provide a more comfortable working environment for the maintenance personnel entering the plant, is favorable to improving the work efficiency. The large centrifugal fan is an important component of the steam turbine plant ventilation system, and regular inspection and replacement of the fan shock absorber can significantly reduce the overall vibration of the fan, prolong the service life of the equipment and ensure the reliability of the overall ventilation system. However, due to the large span and heavy weight of the fan, the past methods of erecting scaffolding or installing lifting points on the roof of the ventilation room cannot be used on site or will bring great risks, and the fan cannot be safely and efficiently moved to replace the shock absorber. There is a lack of a tool that can carry a large weight fan and move accurately. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide a nuclear power large -scale fan moving special tool.

[0004] The utility model adopts the technical scheme in the technical problem is solved: the structure nuclear power large -scale fan moves special tool, includes: the slide rail fixed on the ground, the load bearing sliding assembly set in the slide rail and the hand wheel assembly driving the load bearing sliding assembly moves along the slide rail, the slide rail includes the bottom surface set on the ground and the surrounding edge extending upward from the bottom surface four sides, the surrounding edge of the slide rail length direction is equipped with the threaded hole, the load bearing sliding assembly includes the platform used for bearing the heavy object and connecting with the hand wheel assembly and a plurality of slide pulley groups set below the platform, the hand wheel includes the threaded rod threaded in the threaded hole and connecting with the platform, the transmission rod connecting with the threaded rod far away from the slide rail one end and the handle setting the transmission rod far away from the threaded rod one end connection.

[0005] In some embodiments, a plurality of limiting pieces are provided above the platform, the limiting pieces include a bottom plate for fixing on the platform, and a limiting portion extending upward from the bottom plate and used for limiting the movement of the load.

[0006] In some embodiments, the platform includes a plurality of threaded counterbores, and a plurality of bolts corresponding in number to the threaded counterbores, the bottom plate is provided with an array of positioning holes, and the bolts are threaded through the positioning holes and fix the bottom plate.

[0007] In some embodiments, the platform bottom is provided with a reinforcing rib arranged along the length direction of the platform.

[0008] In some embodiments, the surrounding edges at both ends of the length direction of the slide rail are provided with the same threaded through holes, and the platform at both ends of the length direction is provided with a connecting assembly rotatably connected with the threaded rod.

[0009] In some embodiments, the pulley block is provided with more than two pairs of pulleys.

[0010] In some embodiments, the surrounding edges are provided with a scale on the side away from the platform.

[0011] In some embodiments, the pulley block is symmetrically arranged at the central axis of the platform.

[0012] In some embodiments, the platform is provided with downward extending retaining edges at four sides, and the height of the lower end surface of the retaining edge is lower than the height of the surrounding edge.

[0013] In some embodiments, the handle comprises a fixed shaft fixed on the transmission rod and a rotating handle sleeved on the fixed shaft and rotatable.

[0014] The utility model discloses a nuclear power large fan moving special tool, which has the following beneficial effects: the moving special tool mainly comprises a slide rail, a bearing sliding assembly and a hand wheel assembly, the bearing sliding assembly abuts against a fan base, the slide rail is laid on a fan moving path, and the hand wheel assembly is used for driving the bearing sliding assembly on the slide rail to move. When the hand wheel is shaken, the bearing sliding assembly rolls along the slide rail, and the whole large-weight fan is moved stably. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings and embodiments. It should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor. In the drawings:

[0016] Figure 1 It is a whole view of the nuclear power large fan moving special tool in an embodiment of the utility model;

[0017] Figure 2 It is a perspective view of the nuclear power large fan moving special tool in an embodiment of the utility model;

[0018] Figure 3 It is a sectional view of the nuclear power large fan moving special tool in an embodiment of the utility model;

[0019] Figure 4 It is a bottom view of the nuclear power large fan moving special tool in an embodiment of the utility model.

[0020] Reference numerals

[0021] 100 slide rail; 110 bottom surface; 120 surrounding edge; 121 threaded through hole; 200 bearing sliding assembly; 201 scale; 210 platform; 211 stop edge; 220 limiting piece; 221 bottom plate; 222 limiting part; 223 positioning hole; 230 threaded counterbore; 240 reinforcing rib; 250 connecting assembly; 300 hand wheel; 310 threaded rod; 320 transmission rod; 330 handle; 331 rotating handle. DETAILED DESCRIPTION

[0022] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the accompanying drawings. In the following description, it should be understood that the orientation or positional relationship indicated by "upper", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is constructed and operated in a particular orientation, and is only for the convenience of describing the present technical solution, and does not indicate that the device or element referred to must have a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0023] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "fixing", "setting", etc. should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there can be one or more intervening elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features with "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Figures 1 to 4 Some preferred embodiments of the ducted fan machine of the present application are shown. The nuclear power plant set pressure regulator flaw detection shielding structure can be used for internal radiation shielding of a nuclear power plant.

[0025] Figures 1 to 4The utility model discloses a special tool for moving nuclear power large fan, which can be used for carrying large fan, and can include slide rail 100 fixed on the ground, bearing sliding assembly 200 arranged in slide rail 100 and hand wheel 300 component for driving bearing sliding assembly 200 to move along slide rail 100; Slide rail 100 includes bottom surface 110 arranged on the ground and surrounding edge 120 extended upward from four sides of bottom surface 110, and surrounding edge 120 of the length direction of slide rail 100 is provided with threaded hole 121; Bearing sliding assembly 200 includes platform 210 for bearing heavy objects and connected with hand wheel 300 component, and several pulley blocks arranged below platform 210; Hand wheel 300 includes threaded rod 310 threaded in threaded hole 121 and connected with platform 210, transmission rod 320 connected with the end of threaded rod 310 away from slide rail 100, and handle 330 connected with the end of transmission rod 320 away from threaded rod 310.

[0026] The special tool for moving mainly consists of slide rail 100, bearing sliding assembly 200 and hand wheel 300 component, bearing sliding assembly 200 abuts against fan base, slide rail 100 is laid on fan moving path, and hand wheel 300 component is used for driving bearing sliding assembly 200 on slide rail 100 to move. When hand wheel 300 is shaken, bearing sliding assembly 200 rolls along slide rail 100, and drives large-weight fan to move stably as a whole.

[0027] Understandably, surrounding edge 120 of slide rail 100 abuts against bearing sliding assembly 200, so that bearing sliding assembly 200 avoids disengaging from the track.

[0028] Understandably, slide rail 100 can be separated from bearing sliding assembly 200, and slide rail 100 is placed in the designated position first, and then bearing sliding assembly 200 is placed in slide rail 100.

[0029] In a specific embodiment, the height of surrounding edge 120 at both ends of slide rail 100 is higher than the width of surrounding edge 120 at both sides, which can greatly reduce the length of slide rail 100.

[0030] Figures 1 to 3 In an embodiment, platform 210 can include a plurality of limiting pieces 220 arranged above platform 210, and limiting piece 220 includes bottom plate 221 for being fixed on platform 210 and limiting part 222 extended upward from bottom plate 221 and used for limiting the movement of the bearing. Limiting piece 220 is L-shaped structure, bottom plate 221 can be used for bearing large fan, and limiting part 222 is used for abutting against the side surface of large fan to limit the displacement of large fan.

[0031] In a specific embodiment, the width of bottom plate 221 is the same as the width of platform 210.

[0032] In a specific embodiment, the bottom plate 221 is made of metal material, preferably low carbon steel material.

[0033] Figure 1 And Figure 2 It is shown that the platform 210 can include a number of threaded holes 230 in an embodiment, and the platform 210 is provided with an array of positioning holes 223 on the bottom plate 221, and the bolts are arranged through the positioning holes 223 and fix the bottom plate 221. The position of the limiting part 220 can be adjusted according to the size of the large fan, so as to effectively limit the displacement of the large fan.

[0034] In a specific embodiment, the bolt can be a positioning pin, which limits the horizontal movement of the limiting part 220 by limiting the positioning hole 223.

[0035] Figure 1 And Figure 4 It is shown that the platform 210 can include a reinforcing rib 240 arranged along the length direction of the platform 210 in an embodiment. The reinforcing rib 240 can strengthen the strength of the platform 210, avoid being pressed to serious deformation by the large fan, and improve the carrying capacity of the platform 210.

[0036] In a specific embodiment, the reinforcing rib 240 can be a cuboid entity, a channel steel or a square steel.

[0037] Figure 1 And Figure 2 It is shown that the slide rail 100 can include the same threaded hole 121 on the two ends of the slide rail 100 in an embodiment, and the two ends of the platform 210 are provided with a connecting assembly 250 connected with the threaded rod 310, the connecting assembly 250 is fixed on the platform 210 at a position, and the threaded rod 310 is rotated, so that the threaded rod 310 forms a horizontal movement to push the platform 210 to move.

[0038] Figure 2 And Figure 4 It is shown that the pulley block can include two or more pairs of pulleys in an embodiment. Because the platform 210 carries too much weight, multiple pulleys can share the load, reduce the wear of the pulley, and reduce the cost of the pulley.

[0039] Figure 1 It is shown that the surrounding edge 120 can include a scale 201 on the side away from the platform 210 in an embodiment. The scale 201 can let the user know how far the distance has been moved, and provide a reference for the accurate movement of the fan.

[0040] Figure 1 And Figure 2The platform 210 can include a downwardly extending retaining edge 211 on four sides in an embodiment, the height of the lower end surface of the retaining edge 211 is lower than the height of the surrounding edge 120, the retaining edge 211 can be in abutment with the surrounding edge 120 of the slide rail 100 to limit the bearing sliding assembly 200 to linear motion.

[0041] Figures 1 to 3 The handle 330 can include a fixed shaft fixed on the transmission rod 320 and a rotating handle 331 sleeved on the fixed shaft and rotatable in an embodiment, the rotating handle 331 can rotate smoothly for the user without loosening the hand.

[0042] It can be understood that the above embodiments only express the preferred embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the patent scope of the present application; it should be pointed out that for ordinary skilled in the art, the above technical features can be freely combined without departing from the concept of the present application, and several modifications and improvements can be made, which belong to the protection scope of the present application; therefore, any equivalent transformation and modification within the scope of the claims of the present application should belong to the scope of the claims of the present application.

Claims

1. A special tool for moving large nuclear power plant fans, characterized in that: include: A slide rail (100) fixed on the ground, a load-bearing sliding assembly (200) disposed within the slide rail (100), and a handwheel (300) assembly for driving the load-bearing sliding assembly (200) to move along the slide rail (100); The slide rail (100) includes a bottom surface (110) set on the ground and a perimeter (120) extending upward from the four sides of the bottom surface (110). The perimeter (120) along the length direction of the slide rail (100) is provided with a threaded through hole (121). The load-bearing sliding assembly (200) includes a platform (210) for bearing heavy objects and connected to the handwheel (300) assembly, and a plurality of pulley groups disposed below the platform (210); The handwheel (300) includes a threaded rod (310) that passes through the threaded through hole (121) and is connected to the platform (210).

2. The special tool for moving large nuclear power wind turbines according to claim 1, characterized in that, The platform (210) is provided with a plurality of limiting members (220) above it. The limiting members (220) include a base plate (221) for fixing to the platform (210) and a limiting part (222) extending upward from the base plate (221) for limiting the movement of the load.

3. The special tool for moving large nuclear power wind turbines according to claim 2, characterized in that, The platform (210) includes a plurality of threaded countersunk holes (230) and a number of bolts corresponding to the threaded countersunk holes (230). The base plate (221) is provided with an array of positioning holes (223). The bolts pass through the positioning holes (223) and fix the base plate (221).

4. The special tool for moving large nuclear power wind turbines according to claim 1, characterized in that, The bottom of the platform (210) is provided with reinforcing ribs (240) arranged along the length of the platform (210).

5. The special tool for moving large nuclear power wind turbines according to claim 1, characterized in that, The slide rail (100) has identical threaded through holes (121) at both ends of its length direction, and the platform (210) has connecting assemblies (250) at both ends of its length direction that are rotatably connected to the threaded rod (310).

6. The special tool for moving large nuclear power wind turbines according to claim 1, characterized in that, A scale (201) is provided on the side of the perimeter (120) away from the platform (210).

7. The special tool for moving large nuclear power wind turbines according to claim 1, characterized in that, Several of the pulley blocks are symmetrically arranged on the central axis of the platform (210).

8. The special tool for moving large nuclear power wind turbines according to claim 1, characterized in that, The platform (210) has downwardly extending guard edges (211) on all four sides, and the height of the lower end face of the guard edge (211) is lower than the height of the surrounding edge (120).

9. The special tool for moving large nuclear power wind turbines according to claim 1, characterized in that, The handwheel (300) includes a transmission rod (320) connected to the end of the threaded rod (310) away from the slide rail (100), and a handle (330) connected to the end of the transmission rod (320) away from the threaded rod (310).

10. The special tool for moving large nuclear power wind turbines according to claim 9, characterized in that, The handle (330) includes a fixed shaft fixed to the transmission rod (320) and a rotating handle (331) sleeved on the fixed shaft and rotatable.

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