CN218174363U

CN218174363U - Outer circulation thrust bearing cooler dismouting hoist

Info

Publication number: CN218174363U
Application number: CN202222087189.5U
Authority: CN
Inventors: 吴世权; 李衬; 陈鑫淼; 何小攀
Original assignee: Chongqing Datang International Wulong Hydropower Development Co Ltd
Current assignee: Chongqing Datang International Wulong Hydropower Development Co Ltd
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-12-30
Anticipated expiration: 2032-08-09

Abstract

The utility model discloses an external circulation thrust bearing cooler dismounting hanger, which comprises a T-shaped steel part and a long supporting steel part, wherein the top end of the T-shaped steel part is arranged in a cavity of a rotor central body; the long supporting steel piece is horizontally placed, one end of the long supporting steel piece penetrates through the bottom end of the T-shaped steel piece, and the other end of the long supporting steel piece is erected on the rotor brake plate; the long supporting steel piece is any one of I-shaped steel, square steel, angle steel or C-shaped steel; a lifting lug is arranged at the middle section of the bottom end of the long support steel piece, and the top end of the cooler is connected with the lifting lug for suspension maintenance; the T-shaped steel piece is made of channel steel and comprises transverse channel steel and longitudinal channel steel, and the transverse channel steel is connected with the longitudinal channel steel through bolts; one end of the longitudinal channel steel, which is far away from the transverse channel steel, is provided with a polygonal notch, and the shape and the size of the polygonal notch are matched with those of the long support steel piece. The utility model discloses can swiftly set up, the scene need not fire the operation, can use comparatively conveniently, has promoted work efficiency, high-efficient completion work safely.

Description

Outer circulation thrust bearing cooler dismouting hoist

Technical Field

The utility model relates to a hydraulic generator equips and makes technical field, especially relates to an extrinsic cycle thrust bearing cooler dismouting hoist.

Background

The guide bearing of the hydraulic generator bears the radial mechanical unbalanced force and the electromagnetic unbalanced force of the rotating part of the unit, and the main shaft of the unit is maintained to stably run in the range of the bearing clearance. The thrust bearing of the water turbine bears the whole weight-class axial water thrust of the rotating part of the water turbine generator set. When some units adopt the outer loop thrust cooling circulation, when the cooler breaks and intakes the time need to disassemble and overhaul, there is not hoisting point above the cooler, and about 3 tons of cooler weight just need to design specialized tool, guarantee maintenance operation safety. In the original operation, a lifting lug is welded at the lower part of the rotor above the thrust bearing, which easily causes stress concentration on a stressed part of the rotor, and the other part has high requirement on the welding level, large on-site risk and long cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve prior art problem, disclose an extrinsic cycle thrust bearing cooler dismouting hoist.

The purpose of the utility model is realized through the following technical scheme:

a lifting appliance for dismounting an external circulation thrust bearing cooler comprises a T-shaped steel piece and a long supporting steel piece, wherein the top end of the T-shaped steel piece is arranged in a cavity of a rotor central body; the long supporting steel piece is horizontally arranged, one end of the long supporting steel piece penetrates through the bottom end of the T-shaped steel piece, and the other end of the long supporting steel piece is erected on the rotor brake plate.

The long supporting steel piece is any one of I-shaped steel, square steel, angle steel or C-shaped steel.

The middle section of the bottom end of the support steel part is provided with a lifting lug, and the top end of the cooler is connected with the lifting lug for hanging and overhauling.

The T-shaped steel part is made of channel steel and comprises transverse channel steel and longitudinal channel steel, and the transverse channel steel is connected with the longitudinal channel steel through bolts.

One end, far away from the transverse channel steel, of the longitudinal channel steel is provided with a polygonal notch, and the shape and the size of the polygonal notch are matched with those of the long support steel piece.

The utility model has the advantages that:

the utility model discloses can swiftly set up, the scene need not fire the operation, can use comparatively conveniently, has promoted work efficiency, high-efficient completion work safely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a T-shaped steel member of the present invention;

FIG. 2 is a schematic structural view of a long I-steel of the present invention;

FIG. 3 is a side view of the long I-steel structure of the present invention;

FIG. 4 is an assembly schematic of the present invention;

in the figure: the rotor comprises a 1-T-shaped steel part, a 2-long supporting steel part, 3-lifting lugs, 4-coolers, 5-transverse channel steel, 6-longitudinal channel steel, 7-polygonal notches and 8-rotor central bodies.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the following, reference will be made to the attached drawings of the embodiments of the present invention, the technical solution in the embodiments of the present invention is clearly and completely described, it is obvious that the described embodiments 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 belong to the protection scope of the present invention. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, it should be considered that the combination of the technical solutions does not exist, and is not within the protection scope of the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

A lifting appliance for dismounting an external circulation thrust bearing cooler comprises a T-shaped steel part 1 and a long supporting steel part 2, wherein the top end of the T-shaped steel part 1 is arranged in a cavity of a rotor central body 8; the long supporting steel part 2 is horizontally placed, one end of the long supporting steel part penetrates through the bottom end of the T-shaped steel part 1, and the other end of the long supporting steel part is erected on the rotor brake plate.

The long supporting steel part 2 is any one of I-shaped steel, square steel, angle steel or C-shaped steel.

The middle section of the bottom end of the long support steel part 2 is provided with a lifting lug 3, and the top end of the cooler 4 is connected with the lifting lug 3 for suspension maintenance.

As shown in fig. 1, the T-shaped steel member 1 is made of channel steel, and includes a transverse channel steel 5 and a longitudinal channel steel 6, and the transverse channel steel 5 and the longitudinal channel steel 6 are connected by bolts.

One end, far away from the transverse channel steel 5, of the longitudinal channel steel 6 is provided with a polygonal notch 7, and the shape and the size of the polygonal notch 7 are matched with those of the long support steel part 2.

As shown in fig. 2-3, the long supporting steel 2 is made of long i-steel, a lifting lug 3 is arranged at the middle section of the bottom end of the long i-steel, and the top end of the cooler 4 is connected with the lifting lug 3 for suspension maintenance.

As shown in figure 4, the top end of the T-shaped steel part 1 is arranged in a cavity of the rotor central body 8, one end of a long I-shaped steel is inserted into a rectangular notch below the T-shaped steel part 1, the other end of the long I-shaped steel is erected above a rotor brake plate, the lifting lug 3 is over against the thrust external cooler, and a worker can use a chain block to lift the cooler for maintenance.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The external circulation thrust bearing cooler dismounting lifting appliance is characterized by comprising a T-shaped steel part (1) and a long supporting steel part (2), wherein the top end of the T-shaped steel part (1) is arranged in a cavity of a rotor central body; the long supporting steel piece (2) is horizontally placed, one end of the long supporting steel piece penetrates through the bottom end of the T-shaped steel piece (1), and the other end of the long supporting steel piece is erected on the rotor brake plate.

2. The external circulation thrust bearing cooler dismounting hanger according to claim 1, wherein the long supporting steel member (2) is any one of I-steel, square steel, angle steel or C-shaped steel.

3. The external circulation thrust bearing cooler dismounting and mounting lifting appliance is characterized in that a lifting lug (3) is arranged in the middle section of the bottom end of the long supporting steel part (2), and the top end of the cooler is connected with the lifting lug for suspension maintenance.

4. The external circulation thrust bearing cooler dismounting hanger according to claim 1, wherein the T-shaped steel piece (1) is made of channel steel and comprises a transverse channel steel (5) and a longitudinal channel steel (6), and the transverse channel steel (5) is connected with the longitudinal channel steel (6) through bolts.

5. The external circulation thrust bearing cooler dismounting sling according to claim 4, wherein one end of the longitudinal channel steel (6) far away from the transverse channel steel (5) is provided with a polygonal notch (7), and the shape and the size of the polygonal notch (7) are matched with those of the long supporting steel piece (2).