阅读说明：本技术 一种用于核电站的厂用水泵电机检修专用支架 (Special support for overhauling service water pump motor of nuclear power station ) 是由 李瑞明 王磊 于春宁 于 2019-09-30 设计创作，主要内容包括：本发明涉及一种用于核电站的厂用水泵电机检修专用支架,用于为电机检修提供稳定支撑,该专用支架包括支架本体(1)和尼龙垫片,所述的支架本体(1)通过地脚螺栓紧固在平整的地面上,所述的尼龙垫片通过螺钉紧固在支架本体(1)的上表面,电机法兰与支架本体(1)的上表面通过紧固螺栓锁紧,所述的支架本体(1)为中空结构,所述的支架本体(1)上设有用以将维修时从电机拆卸下的电机联轴器运出的设备通道孔(6)。与现有技术相比,本发明具有提高电机维修的稳定性、使拆卸下的电机联轴器能够安全方便运出、节约空间等优点。(The invention relates to a special support for overhauling a factory water pump motor for a nuclear power station, which is used for providing stable support for overhauling the motor, and comprises a support body (1) and a nylon gasket, wherein the support body (1) is fastened on a flat ground through foundation bolts, the nylon gasket is fastened on the upper surface of the support body (1) through screws, a motor flange is locked with the upper surface of the support body (1) through fastening bolts, the support body (1) is of a hollow structure, and an equipment channel hole (6) for conveying a motor coupler disassembled from the motor during maintenance is arranged on the support body (1). Compared with the prior art, the motor coupler has the advantages of improving the maintenance stability of the motor, enabling the disassembled motor coupler to be safely and conveniently transported out, saving space and the like.)

1. The utility model provides a mill uses water pump motor to overhaul special stand for nuclear power station for overhaul the motor and provide the outrigger, its characterized in that, this special stand includes support body (1) and nylon gasket, support body (1) pass through rag bolt fastening at smooth subaerial, the nylon gasket pass through the upper surface of screw fastening at support body (1), the upper surface of motor flange and support body (1) passes through fastening bolt locking, support body (1) be hollow structure, support body (1) on be equipped with equipment access hole (6) that are used for transporting out from the motor coupling under the motor dismantlement during maintenance.

2. The special support for overhauling the service water pump motor of the nuclear power station as recited in claim 1, wherein the support body (1) comprises a top support platform (2), a bottom support platform (4) and a support column (3) arranged between the top support platform and the bottom support platform, the support column (3) is of a circular truncated cone hollow structure, and the top support platform (2) and the bottom support platform (4) are of disc-shaped structures with the same size.

3. The special bracket for overhauling the service water pump motor of the nuclear power plant as recited in claim 2, wherein a plurality of first bolt holes (401) for installing foundation bolts are uniformly and respectively arranged on the bottom support platform (4).

4. The special support for overhauling the service water pump motor of the nuclear power plant as recited in claim 2, wherein the top support table (2) is uniformly provided with second bolt holes (201) for mounting bolts of a nylon gasket and fastening bolts of a motor flange.

5. The special support for overhauling the service water pump motor of the nuclear power station as recited in claim 4, wherein the nylon gasket is provided with third bolt holes distributed in the same way as the second bolt holes (201).

6. The special support for overhauling the service water pump motor of the nuclear power station as recited in claim 1, wherein the equipment passage hole (6) is a rectangular hole.

7. The special bracket for overhauling the service water pump motor of the nuclear power station as recited in claim 6, wherein the equipment passage hole (6) of the rectangular hole has a width of 0.8 m and a height of 1.4 m.

8. The special support for overhauling the service water pump motor of the nuclear power station as recited in claim 2, wherein the support plates (5) are uniformly distributed according to the circumference outside the support column (3) with the circular truncated cone hollow structure, and each support plate (5) is fixed between the top support table (2) and the bottom support table (4).

9. The special support for overhauling the service water pump motor of the nuclear power station as recited in claim 8, wherein each support plate (5) is a right-angled trapezoid structural plate.

10. The special support for overhauling the service water pump motor of the nuclear power station as recited in claim 4, wherein the top support table (2) is provided with four second bolt holes (201), and the four second bolt holes (201) are arranged in a cross structure.

Technical Field

The invention relates to the technical field of service water pump inspection and maintenance, in particular to a special support for service water pump motor maintenance for a nuclear power station.

Background

In the disassembly inspection and maintenance of the water pump and the motor for the factory, the motor for the water pump for the factory is placed and the maintenance work of the motor is related. In the past, usually adopt pothole or temporary stand to place the house-service motor in order to accomplish the maintenance to the motor, there are a lot of restrictions and dangers in this kind of mode, if when adopting house-service water pump motor to place on the pothole, cause the problem of dismantling the motor coupling easily after, can't transport the motor coupling, and make personnel's operation receive space restriction etc. easily, and if adopt house-service water pump motor to place on temporary stand, then cause the focus of house-service water pump motor unstability easily, there is the danger of toppling over, and be unfavorable for the maintenance of equipment etc..

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the special support for overhauling the service water pump motor of the nuclear power station.

The purpose of the invention can be realized by the following technical scheme:

the utility model provides a mill uses water pump motor to overhaul special stand for nuclear power station for overhaul the motor and provide the outrigger, this special stand includes support body and nylon gasket, the support body pass through rag bolt fastening at smooth subaerial, the nylon gasket pass through the upper surface of screw-fastening at the support body, the upper surface of motor flange and support body passes through fastening bolt locking, the support body be hollow structure, the support body on be equipped with the equipment passage hole that is used for transporting out from the motor shaft coupling that the motor was dismantled down when maintaining.

Preferably, the support body include top supporting bench, bottom supporting bench and locate the support column between the two, the support column be round platform hollow structure, top supporting bench, bottom supporting bench be the same disc type structure of size.

Preferably, a plurality of first bolt holes for installing foundation bolts are uniformly and respectively formed in the bottom support platform.

Preferably, the top support platform is uniformly and respectively provided with a screw for mounting the nylon gasket and a second bolt hole for fastening a bolt of the motor flange.

Preferably, the nylon gasket is provided with third bolt holes distributed in the same way as the second bolt holes.

Preferably, the equipment passage hole is a rectangular hole.

Preferably, the equipment passage hole of the rectangular hole has a width of 0.8 m and a height of 1.4 m.

Preferably, the supporting columns of the circular truncated cone hollow structure are externally provided with supporting plates which are uniformly distributed according to the circumference, and the supporting plates are fixed between the top supporting platform and the bottom supporting platform.

Preferably, each support plate is a right angle trapezoidal structure plate.

Preferably, four second bolt holes are formed in the top support platform and are arranged in a cross structure.

Compared with the prior art, the invention has the following advantages:

1) the bracket body is fixed on the ground through the foundation bolts, and the fastening bolts are used for locking to fix the motor flange and the surface of the bracket, so that the motor can be positioned in a safe maintenance environment, the gravity center of the motor can be stabilized, and the maintenance stability of the motor is improved;

2) the disassembled motor coupler can be safely and conveniently transported to a designated maintenance site by opening the equipment channel hole with the width of 0.8 m and the height of 1.4 m;

3) the motor is dropped on the special bracket, and the rotor can be vertically drawn out through the support column with the round table hollow structure, so that the dynamic and static collision caused by unstable hoisting when the rotor is transversely drawn out is avoided;

4) this special stand transportation is convenient, can draw to the job site installation when the maintenance motor and use, can place at appointed factory building when not maintaining, does not occupy on-the-spot maintenance place and staff's workspace.

Drawings

FIG. 1 is a schematic structural diagram of a stent body in the special stent of the present invention;

FIG. 2 is a schematic top view of a stent body in the special stent of the present invention;

FIG. 3 is a schematic bottom view of the bracket body of the stand of the present invention;

FIG. 4 is a schematic front view of a bracket body of the stand according to the present invention;

FIG. 5 is a schematic rear view of a bracket body of the stand according to the present invention;

the reference numbers in the figures indicate:

1. support body, 2, top supporting bench, 3, support column, 4, bottom supporting bench, 5, backup pad, 6, equipment channel hole, 401, first bolt hole, 201, second bolt hole.

Detailed Description

The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

As shown in fig. 1 to 5, the present invention relates to a special support for overhauling a service water pump motor of a nuclear power station, which comprises a support body 1 and a nylon gasket (not shown in the figures).

Support body 1 includes top supporting bench 2, support column 3 and bottom supporting bench 4, and support column 3 locates between top supporting bench 2 and the bottom supporting bench 4, and top supporting bench 2, bottom supporting bench 4 are disc type structure, and the size of two discs is the same. A plurality of first bolt holes 401 are provided in the bottom support platform 4 for mounting anchor bolts. A plurality of second bolt holes 201 are formed in the top support platform 2 and used for fixing the motor flange and the support body 1. Preferably, the top support platform 2 is provided with 4 second bolt holes 201, and the four holes are arranged in a cross-shaped orientation.

Support column 3 is round platform hollow structure, the outside of support column 3 is equipped with backup pad 5 according to circumference evenly distributed, each backup pad 5 is right trapezoid structure board, the oblique waist part of right trapezoid structure board and the outer wall inclination phase-match of support column 3, the last bottom mounting of right trapezoid structure board is on bottom supporting bench 4, the lower bottom end is fixed on top supporting bench 2, each backup pad 5 is fixed at top supporting bench 2, between bottom supporting bench 4, the outer end and the top supporting bench 2 of each support frame 4, the edge of bottom supporting bench 4 aligns. The outer wall of support column 3 is equipped with an equipment access hole 6, and this equipment access hole 6 is the rectangular hole, and its width is 0.8 meters, and highly is 1.4 meters, and this equipment access hole 6 is used for transporting to appointed maintenance place that motor coupling under will dismantling can be safe and convenient.

Before the motor is arranged on the bracket body 1, a nylon gasket is arranged on the surface of the top supporting platform 2, and third bolt holes which are distributed in the same way as the second bolt holes 201 are formed in the nylon gasket and used for enabling the nylon gasket to be fastened on the surface of the bracket body 1 through screws.

The working principle of the invention is as follows:

the foundation bolt is firstly arranged in the first bolt hole 401 to be screwed down, so that the support body 1 is fixed on the flat ground, then the motor is hung on the top supporting platform 2 of the support body 1, the fastening bolt of the motor flange is arranged in the second bolt hole 201, and the motor flange and the top supporting platform 2 are fixed by locking with a wrench. The whole special bracket is fixed through foundation bolts and locked with fastening bolts on the surface of the bracket through a motor flange, so that the motor can be in a safe maintenance environment. The motor falls on the special bracket, and the rotor can be vertically drawn out through the support columns 3 with the round table hollow structures, so that the dynamic and static collision caused by unstable hoisting when the rotor is transversely drawn out is avoided. In the motor maintenance process, the disassembled motor coupler can be safely and conveniently transported to a designated maintenance site through the equipment passage hole 6 on the supporting column. The special bracket is convenient to transport, can be pulled to a working site for installation and use when the motor is maintained, can be placed in a specified factory building when not maintained, and does not occupy a field maintenance site and the working space of workers.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.