阅读说明：本技术 一种空气导流板吊装用安装工具 (Mounting tool for hoisting air guide plate ) 是由 孙书亮 杨伟 侯庆 洪学乾 吴军 李伟 于 2021-09-08 设计创作，主要内容包括：本发明属于核电机组技术领域,具体公开了一种空气导流板吊装用安装工具,包括承重单元、连接弹簧单元、移动单元和固定夹板单元；所述承重单元包括承重框、圆形吊耳、定位孔；所述圆形吊耳数量有两个,且两圆形吊耳对称安装固定于承重框顶部,所述承重框两侧开设有若干定位孔；所述承重框内部底端设置有移动单元,所述移动单元包括导向轮、移动板、轨道槽、定位销和堵板；所述移动板侧面设置有导向轮,移动板通过导向轮与承重框内壁滚动连接,所述移动板两侧设置有定位销,所述定位销与定位孔尺寸匹配。(The invention belongs to the technical field of nuclear power units, and particularly discloses an installation tool for hoisting an air deflector, which comprises a bearing unit, a connecting spring unit, a moving unit and a fixed clamping plate unit, wherein the bearing unit is connected with the connecting spring unit; the bearing unit comprises a bearing frame, a circular lifting lug and a positioning hole; the number of the circular lifting lugs is two, the two circular lifting lugs are symmetrically installed and fixed at the top of the bearing frame, and a plurality of positioning holes are formed in two sides of the bearing frame; the bottom end in the bearing frame is provided with a moving unit, and the moving unit comprises a guide wheel, a moving plate, a track groove, a positioning pin and a blocking plate; the side face of the movable plate is provided with a guide wheel, the movable plate is in rolling connection with the inner wall of the bearing frame through the guide wheel, positioning pins are arranged on two sides of the movable plate, and the positioning pins are matched with the positioning holes in size.)

1. The utility model provides an air guide plate is mounting tool for hoist and mount which characterized in that: comprises a bearing unit, a connecting spring unit, a moving unit and a fixed clamping plate unit; the bearing unit comprises a bearing frame (2), a round lifting lug (1) and a positioning hole (3); the number of the circular lifting lugs (1) is two, the two circular lifting lugs (1) are symmetrically installed and fixed on the top of the bearing frame (2), and a plurality of positioning holes (3) are formed in two sides of the bearing frame (2); the bottom end in the bearing frame (2) is provided with a moving unit, and the moving unit comprises a guide wheel (7), a moving plate (6), a track groove (8), a positioning pin (10) and a blocking plate (9); the side face of the movable plate (6) is provided with a guide wheel (7), the movable plate (6) is in rolling connection with the inner wall of the bearing frame (2) through the guide wheel (7), positioning pins (10) are arranged on two sides of the movable plate (6), and the positioning pins (10) are matched with the positioning holes (3) in size.

2. The mounting tool for hoisting the air deflector according to claim 1, wherein: track groove (8) have been seted up to movable plate (6) bottom surface symmetry, two track groove centre intervals should be provided with the solid fixed splint unit in track groove (8) with air guide plate phase-match, track groove (8) inside both ends are fixed with closure plate (9), track groove (8) are T type groove structure.

3. The mounting tool for hoisting the air deflector according to claim 2, wherein: the fixed clamping plate unit comprises a sliding block (12), a fixed clamping plate (11), a connecting bolt (14) and an adjusting hole (13); fixed splint (11) quantity has two, sliding block (12) quantity has four and the symmetry sets up in two fixed splint (11) top both sides.

4. The mounting tool for hoisting the air deflector according to claim 3, wherein: sliding block (12) and track groove (8) size match, and sliding block (12) are located track groove (8) inside and with track groove (8) sliding connection.

5. The mounting tool for hoisting the air deflector according to claim 4, wherein: adjusting holes (13) are symmetrically formed in the surface of the fixed clamping plate (11), connecting bolts (14) are arranged in the adjusting holes (13), the connecting bolts (14) penetrate through the adjusting holes (13) and extend into mounting holes formed in the surface of the air guide plate, and the size of each adjusting hole (13) is larger than that of each mounting hole.

6. The mounting tool for hoisting the air deflector according to claim 1, wherein: the bearing frame (2), the moving plate (6) and the fixed clamping plate (11) are all made of alloy steel.

7. The mounting tool for hoisting the air deflector according to claim 1, wherein: a connecting spring unit is arranged in the bearing frame (2), and comprises a spring hook (5) and a connecting spring (4); the number of the spring hooks (5) is eight, the spring hooks are symmetrically arranged on the surfaces of the inner wall of the bearing frame (2) and the movable plate (6), and the two symmetrically arranged spring hooks (5) are mutually connected through connecting springs (4).

8. The mounting tool for hoisting the air deflector according to claim 7, wherein: the number of the connecting springs (4) is four, the four connecting springs (4) are annular springs, and the pulling force of the four connecting springs (4) is equal to the sum of the weights of the moving unit, the fixed clamping plate unit and the air guide plate.

Technical Field

The invention relates to the technical field of nuclear power units, in particular to an installation tool for hoisting an air deflector.

Background

The air deflector provides an air flow channel for an AP1000 passive containment cooling system (PCS), and is one of important parts of the PCS. The outside air enters the shielding workshop from an inlet at the lower part of the roof of the shielding workshop and flows downwards along the outer side (outer annular cavity) of the guide plate. The air flow direction turns upwards at the bottom, flows between the inner side of the deflector and the containment vessel and then is exhausted at the exhaust port at the top of the containment vessel. The air flows between the guide plate and the containment vessel, so that the containment vessel is cooled.

Air guide plate need install on the fixed bolster in the containment outside, because air guide plate spare part is numerous, and the construction space is narrow and small, does not have special lifting device, and under the higher condition of installation accuracy requirement, it is lower to use ordinary hoisting equipment work efficiency, can not satisfy the demand that air guide plate is quick, accurate installation. Accordingly, there remains a need in the art for improvements.

Disclosure of Invention

The invention aims to provide an installation tool for hoisting an air deflector, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: an installation tool for hoisting an air deflector comprises a bearing unit, a connecting spring unit, a moving unit and a fixed clamping plate unit; the bearing unit comprises a bearing frame, a circular lifting lug and a positioning hole; the number of the circular lifting lugs is two, the two circular lifting lugs are symmetrically installed and fixed at the top of the bearing frame, and a plurality of positioning holes are formed in two sides of the bearing frame; the bottom end in the bearing frame is provided with a moving unit, and the moving unit comprises a guide wheel, a moving plate, a track groove, a positioning pin and a blocking plate; the side face of the movable plate is provided with a guide wheel, the movable plate is in rolling connection with the inner wall of the bearing frame through the guide wheel, positioning pins are arranged on two sides of the movable plate, and the positioning pins are matched with the positioning holes in size.

Preferably, the bottom surface of the moving plate is symmetrically provided with track grooves, fixed clamping plate units are arranged in the track grooves, the two ends of the inner part of each track groove are fixed with blocking plates, and each track groove is of a T-shaped groove structure.

Preferably, the fixed clamping plate unit comprises a sliding block, a fixed clamping plate, a connecting bolt and an adjusting hole; the fixed splint number has two, slider quantity has four and the symmetry sets up in two fixed splint top both sides.

Preferably, the sliding block is matched with the size of the track groove, and the sliding block is positioned inside the track groove and is in sliding connection with the track groove.

Preferably, the surface of the fixed clamping plate is symmetrically provided with adjusting holes, connecting bolts are arranged in the adjusting holes, the connecting bolts penetrate through the adjusting holes and extend into the mounting holes formed in the surface of the air guide plate, and the size of the adjusting holes is larger than that of the mounting holes.

Preferably, the bearing frame, the moving plate and the fixed clamping plate are all made of alloy steel.

Preferably, a connecting spring unit is arranged inside the bearing frame, and the connecting spring unit comprises a spring hook and a connecting spring; the number of the spring hooks is eight, the spring hooks are symmetrically arranged on the inner wall of the bearing frame and the surface of the movable plate, and the two symmetrically arranged spring hooks are connected with each other through connecting springs.

Preferably, the number of the connecting springs is four, the four connecting springs are annular springs, and the pulling force of the four connecting springs is equal to the sum of the weights of the moving unit, the fixed clamping plate unit and the air deflector.

Compared with the prior art, the invention has the beneficial effects that: according to the invention, through the matching of the weighing unit, the connecting spring unit, the moving unit and the fixed clamping plate unit, the air guide plate can be accurately positioned, and the bearing unit and the connecting spring unit are used as lifting appliances to integrally lift the air guide plate, so that the screw hole at the bottom end of the air guide plate can be quickly aligned with the mounting hole formed in the fixed support, thus the quick and accurate mounting of the air guide plate is realized, and the mounting efficiency is improved.

Drawings

FIG. 1 is a schematic view of the internal structure of the whole body of the present invention;

FIG. 2 is a side view of the present invention in its entirety;

fig. 3 is a schematic structural diagram of the moving plate of the present invention.

In the figure: 1. a circular lifting lug; 2. a load-bearing frame; 3. positioning holes; 4. a connecting spring; 5. a spring hook; 6. moving the plate; 7. a guide wheel; 8. a track groove; 9. a blocking plate; 10. positioning pins; 11. fixing the clamping plate; 12. a slider; 13. an adjustment hole; 14. and connecting the bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1-3; the invention provides an installation tool for hoisting an air deflector, which comprises a bearing unit, a connecting spring unit, a moving unit and a fixed clamping plate unit, wherein the bearing unit is connected with the connecting spring unit; the bearing unit comprises a bearing frame 2, a circular lifting lug 1 and a positioning hole 3; the number of the circular lifting lugs 1 is two, the two circular lifting lugs 1 are symmetrically installed and fixed on the top of the bearing frame 2, so that the bearing frame 2 is balanced in stress, a plurality of positioning holes 3 are formed in two sides of the bearing frame 2, the positioning holes 3 are matched with positioning pins 10 arranged on two sides of the moving plate 6, and the moving plate 6 can be fixed;

the bottom end in the bearing frame 2 is provided with a moving unit, and the moving unit comprises a guide wheel 7, a moving plate 6, a track groove 8, a positioning pin 10 and a blocking plate 9; the side of the movable plate 6 is provided with a guide wheel 7, the movable plate 6 is in rolling connection with the inner wall of the bearing frame 2 through the guide wheel 7, the movable plate 6 can slide up and down in the bearing frame 2 through the guide wheel 7, the two sides of the movable plate 6 are provided with positioning pins 10, the positioning pins 10 are matched with the positioning holes 3 in size, track grooves 8 are symmetrically formed in the bottom surface of the movable plate 6, fixed clamping plate units are arranged in the track grooves 8, blocking plates 9 are fixed at the two ends of the inner part of the track grooves 8, the track grooves 8 are of a T-shaped groove structure, and the sizes of the two track grooves 8 are equal to the thickness of the air guide plate.

The fixed clamping plate unit comprises a sliding block 12, a fixed clamping plate 11, a connecting bolt 14 and an adjusting hole 13; the number of the fixed clamping plates 11 is two, the number of the sliding blocks 12 is four, the sliding blocks 12 are symmetrically arranged at two sides of the top ends of the two fixed clamping plates 11, the sliding blocks 12 are matched with the track grooves 8 in size, and sliding block 12 is also of a T-shaped structure, which can prevent the fixed clamping plate unit from falling off, sliding block 12 is located inside track groove 8 and is connected with track groove 8 in a sliding manner, a self-locking component is arranged in sliding block 12, thereby ensuring that the air deflector does not move when the air deflector is lifted, the surface of the fixed splint 11 is symmetrically provided with adjusting holes 13, the adjusting holes 13 are internally provided with connecting bolts 14, the connecting bolts 14 penetrate through the adjusting holes 13 and extend into mounting holes formed in the surface of the air guide plate, the size of the adjusting holes 13 is larger than that of the mounting holes, the size of the connecting bolt 14 can be adjusted in the left-right direction through the adjusting hole 13, and the installation requirements of air guide plates of different models are met.

Bearing frame 2, movable plate 6 and solid fixed splint 11 all are the alloy steel material, guarantee this mounting tool structure safety, and weight is lighter, the installer transportation of being convenient for.

A connecting spring unit is arranged in the bearing frame 2 and comprises a spring hook 5 and a connecting spring 4; the number of the spring hooks 5 is eight, the spring hooks are symmetrically arranged on the inner wall of the bearing frame 2 and the surface of the movable plate 6, the two symmetrically arranged spring hooks 5 are connected with each other through connecting springs 4, the number of the connecting springs 4 is four, the four connecting springs 4 are annular springs, and the pulling force of the four connecting springs 4 is equal to the sum of the weights of the movable unit, the fixed clamping plate unit and the air guide plate.

The working principle is as follows: when the fixed clamping plate 11 is installed, the sliding block 12 is installed and fixed at the top of the fixed clamping plate 11, then the sliding block 12 is placed in the track groove 8 and is in sliding connection with the track groove 8, the blocking plates 9 are installed inside two ends of the track groove 8 to prevent the fixed clamping plate 11 from falling off, then the fixed clamping plate 11 is moved to the middle position of the moving plate 6, and a stable state is kept through the self-locking assembly; when the connecting springs 4 are installed, the top ends of the four connecting springs 4 are connected with the spring hooks 5 on the top of the inner wall of the bearing frame 2, the bottom ends of the four connecting springs 4 are connected with the spring hooks 5 arranged on the surface of the moving plate 6, so that the installation process of the connecting springs 4 and the moving plate 6 is realized, and the moving plate 6 can move up and down on the inner wall of the bearing frame 2 under the action of the guide wheels 7 after being installed;

when in use, the two fixing clamp plates 11 are connected with the air guide plate through the action of the connecting bolt 14, and the size of the adjusting hole 13 is larger than that of the connecting bolt 14, so that air guide plates of different types can be fixed, then the circular lifting lug 1 at the top of the bearing frame 2 is connected with hoisting equipment through a hanging belt, after the hook is slowly lifted, the mounting tool and the air guide plate slowly leave the ground for about 10cm, the air guide plate is kept static, after the four connecting springs 4 are kept stable, the moving plate 6 is fixed through the positioning holes 3 arranged at two sides of the surface of the bearing frame 2 by using the positioning pins 10, finally the air guide plate is hoisted to the position of the fixing support outside the containment by using the hoisting equipment, after the positioning pins 10 are taken down by an installer, the air guide plate can move up and down, and the air guide plate moves left and right through the matching of the sliding block 12 and the track groove 8, therefore, the screw hole below the air deflector is aligned with the mounting hole formed in the fixing support, and the positioning bolt is mounted, so that the air deflector is mounted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.