阅读说明：本技术 一种用于电站容器设备自密封人孔盖板拆装工具 (Be used for power station container equipment self sealss manhole cover plate assembly and disassembly tools ) 是由 任苹 吴军 唐俊杰 孟余兵 陈红 刘思宇 徐钰涞 李洪晨 杨正笛 高恒 张晓蒙 于 2020-12-03 设计创作，主要内容包括：本发明属于机械设计技术领域,具体涉及一种用于电站容器设备自密封人孔盖板拆装工具。本发明包括人孔法兰安装座、升降丝杆、翻转丝杆、支撑管、滑移支撑座、人孔盖板安装座,人孔法兰安装座固定在高压加热器人孔法兰上,升降丝杆安装在人孔法兰安装座的套筒内,升降丝杆用于调节工具及人孔盖板竖直方向的位置；支撑管安装在滑移支撑座的水平套筒内,翻转丝杆安装在支撑管内,支撑管与翻转丝杆的底端分别通过螺栓固定在人孔盖板安装座的两个孔内,人孔盖板安装座通过螺钉固定在人孔盖板上。本发明能够提高现场工作效率,降低作业工业安全风险。(The invention belongs to the technical field of mechanical design, and particularly relates to a tool for disassembling and assembling a self-sealing manhole cover plate of power station container equipment. The manhole flange mounting seat is fixed on a manhole flange of a high-pressure heater, the lifting screw rod is mounted in a sleeve of the manhole flange mounting seat, and the lifting screw rod is used for adjusting the position of a tool and the position of the manhole cover plate in the vertical direction; the stay tube is installed in the horizontal sleeve of the supporting seat that slides, and the upset lead screw is installed in the stay tube, and the stay tube is downthehole at two of manhole apron mount pad through the bolt fastening respectively with the bottom of upset lead screw, and manhole apron mount pad passes through the fix with screw on manhole apron. The invention can improve the field working efficiency and reduce the safety risk of the operation industry.)

1. A self-sealing manhole cover plate disassembling tool for power station container equipment is characterized by comprising a manhole flange mounting seat, a lifting lead screw, an overturning lead screw, a supporting pipe, a sliding supporting seat and a manhole cover plate mounting seat, wherein the manhole flange mounting seat is fixed on a manhole flange of a high-pressure heater, the lifting lead screw is arranged in a sleeve of the manhole flange mounting seat, and the lifting lead screw is used for adjusting the vertical positions of the tool and the manhole cover plate; the stay tube is installed in the horizontal sleeve of the supporting seat that slides, and the upset lead screw is installed in the stay tube, and the stay tube is downthehole at two of manhole apron mount pad through the bolt fastening respectively with the bottom of upset lead screw, and manhole apron mount pad passes through the fix with screw on manhole apron.

2. The power station container equipment self-sealing manhole cover dismounting tool for the power station container equipment as claimed in claim 1, further comprising a lifting screw nut, wherein the lifting screw nut is in threaded connection with the lifting screw, and the lifting screw nut is fixed on the manhole flange mounting seat.

3. The power station container equipment self-sealing manhole cover dismounting tool for the power station container equipment as claimed in claim 1, further comprising a swing arm, wherein a sleeve on one side of the swing arm is matched with the lifting screw rod and sleeved outside the lifting screw rod, the bottom of the sliding support seat is sleeved in a sleeve on the other side of the swing arm, and the swing arm can rotate freely and is used for adjusting the position of the manhole cover in the horizontal direction.

4. The power station container equipment self-sealing manhole cover dismantling tool as claimed in claim 1, further comprising a flip screw nut mounted on top of the support tube.

5. The tool for disassembling and assembling self-sealing manhole cover plates of power station container equipment as claimed in claim 1, further comprising a sliding screw rod, a sliding screw rod nut and a rotary bracket, wherein two ends of the sliding screw rod are respectively connected with the protruding installation positions on the supporting tube, the sliding screw rod is in threaded connection with the sliding screw rod nut, the sliding screw rod nut is fixed on the rotary bracket, and the rotary bracket is sleeved outside the supporting tube and is matched with a key groove on the supporting tube.

6. The tool of claim 5, wherein the rotating bracket is provided with a half at one end, the half is matched with a flange of the sliding support seat to fix the position of the rotating bracket to rotate around the support tube.

7. The tool of claim 6, wherein the rotary screw is fixed to the sliding support through a rotary screw support at one end and fixed to the rotary support through a rotary screw nut at the other end.

Technical Field

The invention belongs to the technical field of mechanical design, and particularly relates to a tool for disassembling and assembling a self-sealing manhole cover plate of power station container equipment.

Background

Every unit of field gulf nuclear power station third phase has 4 high pressure feed water heaters, and equipment manhole cover plate adopts self sealss form, and sealing performance has certain improvement than traditional seal structure, but the degree of difficulty of manhole cover plate dismouting process increases: manhole cover plate is oval, the dismouting process includes manhole cover plate's pushing, the perpendicular upset, the horizontal rotation switching-over and take four steps out, manhole cover plate's perpendicular upset and horizontal rotation action are all in high pressure feed water heater water chamber, manhole cover plate size is major axis 550mm, minor axis 470mm, weight is about 105Kg, and the hydroecium is inside narrow, it wastes time and energy to use traditional instrument, work efficiency is lower, can't realize manhole cover plate and sealed accurate centering of face, there is the risk that manhole cover plate collides with the sealed face of equipment simultaneously in operation process.

According to the condition, the special tool for dismounting and mounting the self-sealing manhole cover plate of the container is specially designed and manufactured, the tool is of a pure mechanical structure, a mechanical cantilever structure assembly is mounted outside a manhole of the self-sealing container, the tool is connected with the manhole cover plate in the dismounting and mounting process of the manhole cover plate, and the horizontal movement, overturning, rotating and position adjusting functions of the manhole cover plate are achieved through relative rotation and displacement of all parts.

By using the tool, the operation time can be reduced, the working efficiency is improved, the accurate centering of the manhole cover plate and the equipment sealing surface can be realized, the equipment sealing surface is prevented from being damaged by the manhole cover plate, and the industrial safety risk in the operation is reduced.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a tool for disassembling and assembling a self-sealing manhole cover plate of power station container equipment.

The technical scheme adopted by the invention is as follows:

a self-sealing manhole cover plate disassembling tool for power station container equipment comprises a manhole flange mounting seat, a lifting screw rod, an overturning screw rod, a supporting pipe, a sliding supporting seat and a manhole cover plate mounting seat, wherein the manhole flange mounting seat is fixed on a manhole flange of a high-pressure heater; the stay tube is installed in the horizontal sleeve of the supporting seat that slides, and the upset lead screw is installed in the stay tube, and the stay tube is downthehole at two of manhole apron mount pad through the bolt fastening respectively with the bottom of upset lead screw, and manhole apron mount pad passes through the fix with screw on manhole apron.

The lifting screw rod nut is in threaded connection with the lifting screw rod and fixed on the manhole flange mounting base.

Still include the swing arm, one side sleeve and the lift lead screw cooperation of swing arm, the cover is in the outside of lift lead screw, and the supporting seat bottom that slides is overlapped in the opposite side sleeve of swing arm, but swing arm free rotation for the position of adjustment manhole cover plate horizontal direction.

Still include upset screw-nut, upset screw-nut installs the top at the stay tube.

The sliding screw rod is connected with the protruding installation positions on the supporting pipe through threads, the sliding screw rod nut is fixed on the rotating support, and the rotating support is sleeved outside the supporting pipe and matched with a key groove in the supporting pipe.

One end of the rotating support is provided with a half which is matched with a flange of the sliding support seat to fix the position of the rotating support and can rotate around the support pipe.

One end of the rotary screw rod is fixed on the sliding support seat through the rotary screw rod support, and the other end of the rotary screw rod is fixed on the rotary support through the rotary screw rod nut.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention provides a tool for disassembling and assembling self-sealing manhole cover plates of power station container equipment, which is light in weight, small in size, convenient to carry and assemble and simple in operation steps;

(2) the invention provides a tool for disassembling and assembling a self-sealing manhole cover plate of power station container equipment, which is used for connecting the tool with an equipment body and the equipment manhole cover plate by using an installation support and a manhole cover connecting seat, so that the stability and the reliability of the operation of the tool are improved, and the problem that the tool needs to be reliably fixed when in use is effectively solved;

(3) the invention provides a tool for disassembling and assembling a self-sealing manhole cover plate of power station container equipment, which is characterized in that a T-shaped support and a rotary swing arm are combined, so that the drawing action of the manhole cover plate is simplified, meanwhile, the taken manhole cover plate can be placed on one side of a manhole, the problem of storage after the cover plate is disassembled is solved, and the working time is effectively saved;

(4) the invention provides a self-sealing manhole cover plate dismounting tool for power station container equipment, which is characterized in that the height of a manhole cover plate is adjusted by arranging a lifting screw, so that the centering of the manhole cover plate is quickly realized, and the problem that the cover plate is easy to collide with the sealing surface of the equipment in the dismounting process is avoided;

(5) the invention provides a tool for disassembling and assembling a self-sealing manhole cover plate of power station container equipment, which is assembled by combining a rotary screw rod and an overturning screw rod, effectively realizes actions of horizontal rotation, vertical overturning, horizontal pushing and pulling of the manhole cover plate in a water chamber, and has a high-efficiency and reliable structure.

Drawings

FIG. 1 is a front view of a self-sealing manhole cover plate assembly and disassembly tool for a power station container facility provided by the invention;

FIG. 2 is a top view of a self-sealing manhole cover plate assembly and disassembly tool for a power station container facility according to the present invention;

FIG. 3 is a rotary view of a self-sealing manhole cover plate assembly and disassembly tool for a power station container facility, according to the present invention;

FIG. 4 is a cross-sectional view of a self-sealing manhole cover plate assembly and disassembly tool for a power station container facility according to the present invention;

FIG. 5 is a rear view of a self-sealing manhole cover plate assembly and disassembly tool for a power station container facility according to the present invention;

in the figure: 1-high pressure heater manhole flange, 2-manhole cover plate, 3-manhole flange mounting base, 4-lifting screw rod, 5-lifting screw rod nut, 6-overturning screw rod, 7-overturning screw rod nut, 8-supporting tube, 9-sliding supporting base, 10-manhole cover plate mounting base, 11-stud bolt, 12-nut, 13-screw A, 14-swing arm, 15-sliding screw rod, 16-sliding screw rod nut, 17-rotating bracket, 18-rotating screw rod, 19-huff, 20-screw B, 21-screw C, 22-rotating screw rod support and 23-rotating screw rod nut.

Detailed Description

The following provides a tool for disassembling a self-sealing manhole cover plate of a power station container device, which is described in detail with reference to the accompanying drawings and specific embodiments.

As shown in figures 1-5, the self-sealing manhole cover plate dismounting tool for power station container equipment, provided by the invention, can realize the movement, rotation, overturning and position adjustment of a manhole cover plate, and comprises a manhole flange mounting seat 3, a lifting screw rod 4, a lifting screw rod nut 5, an overturning screw rod 6, an overturning screw rod nut 7, a supporting tube 8, a sliding supporting seat 9 and a manhole cover plate mounting seat 10,

the manhole flange mounting base 3 is fixed on a manhole flange 1 of the high-pressure heater through a stud bolt 11 and a nut 12, the lifting screw rod 4 is installed in a sleeve of the manhole flange mounting base 3, the lifting screw rod nut 5 is in threaded connection with the lifting screw rod 4, and the lifting screw rod nut 5 is fixed on the manhole flange mounting base 3 through a screw C21. The lifting screw rod 4 is used for adjusting the vertical positions of the tool and the manhole cover plate 2;

a sleeve on one side of the swing arm 14 is matched with the lifting screw rod 4 and sleeved outside the lifting screw rod 4, the bottom of the sliding support seat 9 is sleeved in a sleeve on the other side of the swing arm 14, and the swing arm 14 can rotate freely and is used for adjusting the position of the manhole cover plate 2 in the horizontal direction.

The supporting tube 8 is arranged in a horizontal sleeve of the sliding supporting seat 9, the turning screw rod 6 is arranged in the supporting tube 8, the bottom ends of the supporting tube 8 and the turning screw rod 6 are respectively fixed in two holes of a manhole cover plate mounting seat 10 through bolts, and the manhole cover plate mounting seat 10 is fixed on the manhole cover plate 2 through screws; the overturning screw rod nut 7 is installed at the top end of the supporting pipe 8, the sliding screw rod 15 is in threaded connection with the sliding screw rod nut 16, the sliding screw rod nut 16 is fixed on the rotary support 17, the rotary support 17 is sleeved outside the supporting pipe 8 and is matched with a key groove on the supporting pipe 8, the half 19 is sleeved at one end of the rotary support 17, and the position of the rotary support 17 is fixed through the matching of a screw B20 and a flange of the sliding support seat 9 so as to enable the rotary support 17 to rotate around the supporting pipe 8. Two ends of the sliding screw rod 15 are respectively connected with the protruding installation positions on the supporting tube 8.

One end of the rotary screw 18 is fixed on the sliding support 9 through a rotary screw support 22, and the other end is fixed on the rotary bracket 17 through a rotary screw nut 23.

The field use mode of the dismounting tool is described with reference to the attached drawings and the implementation examples:

[1] installing and fixing the installation support, installing the rest parts of the tool, extending the tool into the manhole of the high-pressure heater, installing a manhole cover plate support, and connecting the tool with the manhole cover plate;

[2] removing the pressing plate and the screw for fixing the manhole cover plate;

[3] rotating the sliding screw rod, and pushing the manhole cover forward for a certain distance to separate the manhole cover from the manhole;

[4] rotating the rotary screw rod to rotate the manhole cover by 90 degrees;

[5] rotating the turnover screw rod to rotate the manhole cover to a horizontal state;

[6] adjusting the lifting screw rod to ensure that the manhole cover and the center of the manhole are basically aligned and have no interference;

[7] rotating the sliding screw rod to move the manhole cover to the manhole port;

[8] rotating the swing arm, moving the manhole tool and the manhole cover to the opposite side of the manhole, and effectively fixing the manhole tool;

[9] and the installation of the manhole cover is the reverse operation of dismantling. After the manhole cover enters the manhole and is turned to be vertical, the centering of the manhole cover and the manhole can be accurately realized through the mutual matching of the lifting screw rod, the swing arm and the sliding support seat.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the technical scope of the present invention.