CN211769810U

CN211769810U - Steam turbine bearing bush lifting device

Info

Publication number: CN211769810U
Application number: CN202020190393.8U
Authority: CN
Inventors: 张亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-10-27
Anticipated expiration: 2030-02-20

Abstract

A hoisting tool for a bearing bush of a steam turbine relates to a hoisting tool. The roof lower surface fixes two root circles pipe side by side, two rectangle frames are that the circular shape stock in cross-section is buckled and is formed and the upper end rotates the cartridge respectively in two root circles, rectangle frame both sides are fixed with annular cardboard respectively, the slip cover in annular cardboard below is equipped with the sleeve, the sleeve articulates there is fastening screw, screwed pipe inner wall both ends are provided with the screw in the opposite direction, two fastening screw threads that two rectangle frames homonymies correspond set up in the opposite direction, and two fastening screw free ends respectively with a screwed pipe both ends spiro union cooperation, there is the screw at roof upper surface center, vertical screw and screw spiro union cooperation, vertical screw lower extreme is fixed with the support head, vertical screw upper end is fixed with the carousel, the fixed surface has the hoist and mount. Simple structure easily makes, can stabilize the clamp dress to the steam turbine axle bush of multiple size, and the work of convenient hoist and mount goes on.

Description

Steam turbine bearing bush lifting device

Technical Field

The utility model relates to a lifting device, especially a steam turbine axle bush lifting device.

Background

The bearing bush is a part of the sliding bearing contacted with the shaft neck, is in the shape of a bush-shaped semi-cylindrical surface, is one of key parts of the steam turbine, and plays a role in supporting a steam turbine rotor which runs at a high speed under the lubricating and cooling action of circulating lubricating oil.

Because the axle bush of steam turbine is bulky, be difficult to transport through the manpower when the assembly, generally need hoisting equipment cooperation lifting device to lift by crane the transfer. However, the hoisting tool which is simple, effective and special for the steam turbine bearing bush is absent at present, the hoisting tool is generally bound by ropes in the hoisting process, the operation is time-consuming and labor-consuming, and the hoisting tool is very easy to cause instability in hoisting due to uneven binding, so that inconvenience is brought to the hoisting of the steam turbine bearing bush.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine axle bush lifting device, its simple structure easily makes, can stably press from both sides the dress to the steam turbine axle bush of multiple size, and the work of convenient hoist and mount goes on.

In order to achieve the above purpose, the utility model adopts the following technical proposal: a steam turbine bearing bush hoisting tool comprises a top plate, a longitudinal screw, two round pipes, two rectangular frames, four sleeves, four fastening screws and two threaded pipes, wherein the two round pipes are horizontally fixed on two sides of the lower surface of the top plate in parallel, the two rectangular frames are formed by bending long rods with circular cross sections, the upper ends of the two rectangular frames are respectively inserted into the two round pipes in a rotating mode, annular clamping plates are respectively fixed on the positions, close to the upper ends, of two sides of each rectangular frame, the positions, below the annular clamping plates, of two sides of each rectangular frame are respectively sleeved with the sleeves in a sliding mode, each sleeve is hinged with one fastening screw, the two ends of the inner wall of each threaded pipe are respectively provided with threads in opposite directions, the two fastening screws corresponding to the two rectangular frames at the same side are oppositely provided with threads, the free ends of the two, the longitudinal screw rod is in threaded fit with the screw hole, a supporting head is fixed at the lower end of the longitudinal screw rod, a rotary table is coaxially fixed at the upper end of the longitudinal screw rod, and a hoisting hanging ring is fixed at the center of the upper surface of the rotary table.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses simple structure easily makes, pastes through two rectangle frame lower extremes and leans on in axle bush both sides bottom, and the rotation thread pipe carries out the angle between two rectangle frames of elasticity control to two fastening screw, and rotatory longitudinal screw rod makes the support head of its lower extreme contradict on the axle bush again, can play the stable dress of pressing from both sides to the axle bush, utilizes the hoist and mount link to each other with hoisting equipment to hoist and mount the transfer work, adjusts the steam turbine axle bush that convenient can adapt to multiple size during the use, and the lower facilitate promotion of cost is used.

Drawings

Fig. 1 is an axonometric view of the hoisting tool for the bearing bush of the steam turbine of the utility model;

fig. 2 is an exploded view of the steam turbine bearing bush lifting tool of the present invention;

fig. 3 is an enlarged view of a portion a of fig. 2.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

The first embodiment is as follows: as shown in fig. 1-3, the utility model discloses a steam turbine bearing bush hoisting tool, which comprises a top plate 1, a longitudinal screw 7, two round tubes 2, two rectangular frames 3, four sleeves 4, four fastening screws 5 and two threaded tubes 6, wherein two round tubes 2 are horizontally fixed on two sides of the lower surface of the top plate 1 in parallel, the two rectangular frames 3 are formed by bending a long rod with a circular cross section, the upper ends of the long rod are respectively inserted into the two round tubes 2 in a rotating way, annular snap-gauge plates 3-1 are respectively fixed on the positions, close to the upper ends, of two sides of each rectangular frame 3, sleeves 4 are respectively sleeved below the annular snap-gauge plates 3-1 in a sliding way, each sleeve 4 is hinged with one fastening screw 5, threads are respectively arranged on two ends of the inner wall of the two threaded tubes 6 in the opposite direction, and two corresponding threads of the two fastening screws 5 on the same, the free ends of two fastening screws 5 are respectively in threaded fit with two ends of a threaded pipe 6, a screw hole 1-1 is integrally formed in the center of the upper surface of the top plate 1, a longitudinal screw 7 is in threaded fit with the screw hole 1-1, a support head 7-1 is fixed at the lower end of the longitudinal screw 7, a rotary plate 7-2 is coaxially fixed at the upper end of the longitudinal screw 7, and a hoisting hanging ring 7-3 is fixed at the center of the upper surface of the rotary plate 7-2.

The second embodiment is as follows: as shown in fig. 2, this embodiment is further described with respect to the first embodiment, and the bottom of the support head 7-1 is a spherical surface.

The third concrete implementation mode: as shown in fig. 1, in this embodiment, the friction surfaces 3-2 are provided at the lower ends of the two rectangular frames 3, which is described further with respect to the first embodiment or the second embodiment.

The fourth concrete implementation mode: as shown in fig. 1, the present embodiment is a third embodiment, and the friction surface 3-2 is formed by arranging an anti-slip texture or an anti-slip layer on the lower end surface of the rectangular frame 3.

Referring to fig. 1 to 3, the rectangular frame 3 and the circular tube 2 fixed on the lower surface of the top plate 1 are rotatably connected, that is, the lower end of the rectangular frame 3 can swing when two threaded pipes 6 are not connected to corresponding fastening screws 5, at this time, the top plate 1 can be placed above the bearing bush 8, the lower end of the rectangular frame 3 can be attached to the bottoms of the two sides of the bearing bush 8 by swinging the two rectangular frames 3, the two fastening screws 5 corresponding to the same side of the two rectangular frames 3 are oppositely arranged in a threaded manner, the two fastening screws 5 can be relatively far away or close to each other by rotating the threaded pipes 6, so that the tightness is achieved, the angle between the two rectangular frames 3 is limited, the friction surface 3-2 arranged at the lower end of the rectangular frame 3 can increase the friction force contacting with the bearing bush 8, the manual rotating turntable 7-2 can control the high and low positions of the longitudinal screws 7 at the screw holes 1-1, and the supporting head 7-1 at the The bearing bush 8 can be stably clamped, and the hoisting hanging ring 7-3 and hoisting equipment are fixed well, so that the hoisting transfer work can be carried out.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms of embodiment without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a steam turbine axle bush lifting device which characterized in that: the clamping device comprises a top plate (1), a longitudinal screw rod (7), two round pipes (2), two rectangular frames (3), four sleeves (4), four fastening screw rods (5) and two threaded pipes (6), wherein the two round pipes (2) are horizontally fixed on the two sides of the lower surface of the top plate (1) in parallel, the two rectangular frames (3) are formed by bending a long rod with a circular cross section, the upper ends of the long rod are respectively and rotatably inserted into the two round pipes (2), annular clamping plates (3-1) are respectively fixed on the positions, close to the upper ends, of the two sides of each rectangular frame (3), the two sleeves (4) are respectively sleeved below the annular clamping plates (3-1) in a sliding mode, each sleeve (4) is hinged with one fastening screw rod (5), threads are respectively arranged on the two ends of the inner walls of the two threaded pipes (6) in opposite directions, and the threads of the two corresponding fastening screw rods (5) on, the free ends of the two fastening screws (5) are respectively in threaded fit with the two ends of a threaded pipe (6), a screw hole (1-1) is integrally formed in the center of the upper surface of the top plate (1), the longitudinal screw (7) is in threaded fit with the screw hole (1-1), a support head (7-1) is fixed at the lower end of the longitudinal screw (7), a rotary plate (7-2) is coaxially fixed at the upper end of the longitudinal screw (7), and a hoisting hanging ring (7-3) is fixed at the center of the upper surface of the rotary plate (7-2).

2. The steam turbine bearing shell lifting tool of claim 1, wherein: the bottom of the support head (7-1) is spherical.

3. The steam turbine bearing shell lifting tool according to claim 1 or 2, wherein: the lower ends of the two rectangular frames (3) are provided with friction surfaces (3-2).

4. The steam turbine bearing shell lifting tool of claim 3, wherein: the friction surface (3-2) is formed by arranging anti-skid lines or an anti-skid layer on the lower end surface of the rectangular frame (3).