CN210469064U

CN210469064U - Special support for overhauling service water pump motor of nuclear power station

Info

Publication number: CN210469064U
Application number: CN201921651228.1U
Authority: CN
Inventors: 李瑞明; 王磊; 于春宁
Original assignee: China Power Hua Yuan Nuclear Power Engineering & Technology Co ltd
Current assignee: China Power Hua Yuan Nuclear Power Engineering & Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-05-05
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to a mill is with water pump motor maintenance special stand for nuclear power station for overhaul for the motor and provide the outrigger, 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 and be used for the equipment access hole (6) that the motor shaft coupling that follow the motor dismantlement during maintenance transported out. Compared with the prior art, the utility model has the advantages of stability that improves the motor maintenance, the motor coupling that makes under the dismantlement can conveniently transport out safely, practice thrift the space.

Description

Special support for overhauling service water pump motor of nuclear power station

Technical Field

The utility model belongs to the technical field of the service water pump inspection maintenance technique and specifically relates to a service water pump motor overhauls special stand for nuclear power station is related to.

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..

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a service water pump motor overhauls special stand for overcoming the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through 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 utility model has the advantages of it is following:

1) the bracket body of the utility model is fixed on the ground through the anchor bolts, and the motor flange is fixed with the surface of the bracket through the locking of the fastening bolts, so that the motor can be 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 view of a bracket body in the special bracket of the present invention;

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

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

FIG. 4 is a schematic view of the main body of the bracket of the special bracket of the present invention;

FIG. 5 is a schematic view of the rear view of the bracket body in the special bracket of 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 present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.

Examples

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

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 utility model discloses a theory of operation does:

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 utility model discloses a 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.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

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.