CN216836757U

CN216836757U - Through-flow hydraulic generator rotor hoisting accessory

Info

Publication number: CN216836757U
Application number: CN202122804294.1U
Authority: CN
Inventors: 骆文龙
Original assignee: Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Current assignee: Tianjin Tianfa Heavy Hydropower Equipment Manufacturing Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-06-28
Anticipated expiration: 2031-11-16

Abstract

The utility model belongs to the technical field of rotor hoisting, and particularly relates to a through-flow type hydraulic generator rotor hoisting device, which solves the technical problems of safety and convenience and comprises a hoisting frame and a hoisting plate, wherein the hoisting frame is provided with a rectangular connecting part, and the hoisting plate is inserted in the rectangular connecting part. The safety and convenience of operation are greatly improved; during the use, to the outside pulling hand wheel, and then drive the polygon connecting block through the hand wheel and slide in the cavity, be connected through the spacing spout on the cavity lateral wall and the cooperation of spacing spout, and then when making along screw rod axial slip polygon connecting block, screw rod and polygon connecting block do not take place relative rotation.

Description

Through-flow hydraulic generator rotor hoisting accessory

Technical Field

The utility model belongs to the technical field of rotor hoisting, and particularly relates to a through-flow hydraulic generator rotor hoisting device.

Background

Along with the technology is mature day by day, through-flow hydraulic generator unit capacity is bigger and bigger, and generator rotor diameter and weight are also bigger and bigger, and traditional rotor lifts by crane instrument generally all adopts square pin connection's lifting bracket and lifting bracket structure, and the weight of square pin is tens kilograms, needs the manual dismouting of manpower, and the operating position is several meters high apart from ground, in case the error appears, causes the injury to personnel and spare part on every side easily. Therefore, it is considered to improve the mounting manner of the square pin to improve the safety and convenience of the work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a through-flow hydraulic generator rotor hoisting device to solve the technical problems of safety and convenience.

In order to achieve the purpose, the utility model provides a through-flow type hydraulic generator rotor hoisting device, which has the following specific technical scheme:

the utility model provides a through-flow hydraulic generator rotor hoisting accessory, includes the gallows and lifts by crane the board, plays to be provided with the rectangle connecting portion on the gallows, lifts by crane the board and pegs graft in the rectangle connecting portion, its characterized in that, both ends face all sets up the perforating hole with the square pin adaptation around the rectangle connecting portion, is provided with the cavity in the board of lifting by crane, and the square pin link up the cavity, and rectangle connecting portion terminal surface is installed and is held along the removal of perforating hole axial displacement.

Furthermore, the rear end of the rectangular connecting part is provided with a cover plate capable of preventing the square pin from being separated, and the left side and the right side of the rectangular connecting part are provided with adjusting bolts capable of positioning the lifting plate.

Further, the moving end comprises a pressing plate, a screw rod and a hand wheel, the pressing plate is installed on the side wall of the rectangular connecting portion, the screw rod is rotatably connected to the pressing plate, the hand wheel is fixedly installed with the screw rod, and the screw rod is in threaded connection with the square pin.

Further, the outer end of screw rod is provided with the drive screw thread, the inner of screw rod is provided with the cavity that link up, the inside circumference array of cavity has a plurality of spacing spouts, spacing spout has a plurality of constant head tanks along screw rod axial array, the inner slidable mounting of cavity has the polygon connecting block, the polygon connecting block passes through spacing spout and the spacing cooperation of cavity, be provided with the slide opening on the polygon connecting block, sliding connection has the reference column in the slide opening, and the reference column is provided with two, set up at supporting spring between two reference columns, reference column and constant head tank cooperation location, the other end of polygon connecting block is installed on the hand wheel.

Furthermore, an expansion part which can rotate the hand wheel in a labor-saving manner is arranged on the hand wheel.

Further, the extension portion includes annular ring, articulated connecting rod and manual runner, manual runner passes through articulated connecting rod and installs on annular ring, and annular ring installs on the outer wall of hand wheel.

The utility model has the advantages that:

the square pin can be controlled to move only by rotating the hand wheel, so that the safety and convenience of operation are greatly improved; when the device is used, the hand wheel is pulled outwards, the polygonal connecting block is driven by the hand wheel to slide in the cavity, and the limiting sliding grooves on the side wall of the cavity are matched and connected with the limiting sliding grooves, so that when the polygonal connecting block slides along the axial direction of the screw rod, the screw rod and the polygonal connecting block do not rotate relatively; the using length of the hand wheel can be extended by sliding the polygonal connecting block; meanwhile, the positioning groove is matched and connected with the positioning column, so that the sliding position of the polygonal connecting block is positioned; meanwhile, the manual rotating wheel is manually rotated, the hinged connecting rod is driven by the manual rotating wheel to drive the annular ring to rotate, and the force capable of rotating the hand wheel is reduced by increasing the distance.

Drawings

FIG. 1 is a schematic view of the overall structure of a through-flow turbine generator rotor lifting device according to the present invention;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 3;

FIG. 4 is a schematic structural view of the moving end of the rotor lifting device of the through-flow turbine generator according to the present invention;

FIG. 5 is a cross-sectional view of the first structure of FIG. 4;

FIG. 6 is a cross-sectional view of the second structure of FIG. 4;

the notation in the figure is: a hanger 1; a rectangular connecting part 1-1; a lifting plate 2; an adjusting bolt 3; a cover plate 4; a square pin 5; a mobile terminal 6; 6-1 of a pressing plate; 6-2 parts of a screw; a driving screw 6-2-1; a cavity 6-2-2; 6-2-3 of a limiting chute; 6-2-4 parts of positioning grooves and 6-2-5 parts of polygonal connecting blocks; 6-2-6 of a slide hole; positioning columns 6-2-7; 6-2-8 of a supporting spring; 6-3 parts of a hand wheel; an expansion section 7; an annular ring 7-1; a hinged connecting rod 7-2; and 7-3, a manual rotating wheel.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

as shown in fig. 1-2, a through-flow type hydraulic generator rotor lifting device comprises a lifting frame 1 and a lifting plate 2, wherein the lifting frame 1 is provided with a rectangular connecting part 1-1, the lifting plate 2 is inserted into the rectangular connecting part 1-1, the front end surface and the rear end surface of the rectangular connecting part 1-1 are both provided with through holes matched with square pins 5, the lifting plate 2 is provided with a cavity, the square pins 5 penetrate through the cavity, and the end surface of the rectangular connecting part 1-1 is provided with a moving end 6 capable of enabling the square pins 5 to move axially along the through holes; a cover plate 4 capable of preventing the square pin 5 from being separated is arranged at the rear end of the rectangular connecting part 1-1, and adjusting bolts 3 capable of positioning the lifting plate 2 are arranged on the left side and the right side of the rectangular connecting part 1-1; when the square pin 5 is initially installed, the cover plate 4 is not arranged, the square pin 5 is installed in the through hole, the hand wheel 6-3 is rotated, the hand wheel is collected into the cavity through the screw 6-2, and the through hole is sealed through the cover plate 4. When the rotor is hoisted, after the hoisting plate 2 is placed into the hoisting frame 1, the hand wheel 6-3 is rotated to move the square pin 4 to a required position, and after hoisting is completed, the hand wheel 6-3 is rotated to withdraw the square pin 5, so that the hoisting plate 1 can be hoisted out. After the improvement, the parts do not need to be manually disassembled and assembled, and the square pin 5 is controlled to move only by rotating the hand wheel 6-3, so that the safety and the convenience of operation are greatly improved.

Example two:

on the basis of the first embodiment, as shown in fig. 3-6, the moving end 6 comprises a pressing plate 6-1, a screw 6-2 and a hand wheel 6-3, the pressing plate 6-1 is installed on the side wall of the rectangular connecting part 1-1, the screw 6-2 is rotatably connected to the pressing plate 6-1, the hand wheel 6-3 is fixedly installed with the screw 6-2, and the screw 6-2 is in threaded connection with the square pin 5; the outer end of the screw rod 6-2 is provided with a driving thread 6-2-1, the inner end of the screw rod 6-2 is provided with a through cavity 6-2-2, the inside of the cavity 6-2-2 is circumferentially arrayed with a plurality of limiting chutes 6-2-3, the limiting chutes 6-2-3 are axially arrayed with a plurality of positioning grooves 6-2-4 along the screw rod 6-2, the inner end of the cavity 6-2-2 is slidably provided with a polygonal connecting block 6-2-5, the polygonal connecting block 6-2-5 is in limiting fit with the cavity 6-2-2 through the limiting chutes 6-2-3, the polygonal connecting block 6-2-5 is provided with a sliding hole 6-2-6, and the sliding hole 6-2-6 is slidably connected with a positioning column 6-2-7, two positioning columns 6-2-7 are arranged, a supporting spring 6-2-8 is arranged between the two positioning columns 6-2-7, the positioning columns 6-2-7 are matched and positioned with the positioning grooves 6-2-4, and the other ends of the polygonal connecting blocks 6-2-5 are installed on the hand wheel 6-3;

when the device is used, the hand wheel 6-3 is pulled outwards, the polygonal connecting block 6-2-5 is driven by the hand wheel 6-3 to slide in the cavity 6-2-2, and the screw rod 6-2 and the polygonal connecting block 6-2-5 do not rotate relatively when the polygonal connecting block 6-2-5 slides axially along the screw rod 6-2 through the matching connection of the limiting sliding groove 6-2-3 on the side wall of the cavity 6-2-2 and the limiting sliding groove 6-2-3; the using length of the hand wheel 6-3 can be extended by sliding the polygonal connecting block 6-2-5; meanwhile, the positioning groove 6-2-4 is matched and connected with the positioning column 6-2-7, so that the sliding position of the polygonal connecting block 6-2-5 is positioned.

EXAMPLE III

On the basis of the second embodiment, as shown in fig. 3-6, the hand wheel 6-3 is provided with an expanding part 7 which can rotate the hand wheel 6-3 with less effort; the expansion part 7 comprises an annular ring 7-1, a hinged connecting rod 7-2 and a manual rotating wheel 7-3, the manual rotating wheel 7-3 is installed on the annular ring 7-1 through the hinged connecting rod 7-2, the annular ring 7-1 is installed on the outer wall of the hand wheel 6-3, meanwhile, the manual rotating wheel 7-3 is manually rotated, the hinged connecting rod 7-2 is driven through the manual rotating wheel 7-3 to drive the annular ring 7-1 to rotate, and the force capable of rotating the hand wheel 6-3 is further reduced by increasing the distance.

The working principle is as follows: when the square pin 5 is initially installed, the cover plate 4 is not arranged, the square pin 5 is installed from the through hole, the hand wheel 6-3 is rotated, the hand wheel is accommodated into the cavity through the screw 6-2, and the through hole is sealed through the cover plate 4. When the rotor is hoisted, after the hoisting plate 2 is placed in the hoisting frame 1, the hand wheel 6-3 is rotated to move the square pin 4 to a required position, and after hoisting is completed, the hand wheel 6-3 is rotated to withdraw the square pin 5, so that the hoisting plate 1 can be hoisted out. After improvement, parts do not need to be manually disassembled and assembled, and the square pin 5 is controlled to move only by rotating the hand wheel 6-3, so that the safety and convenience of operation are greatly improved; when the device is used, the hand wheel 6-3 is pulled outwards, the polygonal connecting block 6-2-5 is driven by the hand wheel 6-3 to slide in the cavity 6-2-2, and the screw rod 6-2 and the polygonal connecting block 6-2-5 do not rotate relatively when the polygonal connecting block 6-2-5 slides axially along the screw rod 6-2 through the matching connection of the limiting sliding groove 6-2-3 on the side wall of the cavity 6-2-2 and the limiting sliding groove 6-2-3; the using length of the hand wheel 6-3 can be extended by sliding the polygonal connecting block 6-2-5; meanwhile, the positioning groove 6-2-4 is matched and connected with the positioning column 6-2-7, so that the sliding position of the polygonal connecting block 6-2-5 is positioned; meanwhile, the manual rotating wheel 7-3 is manually rotated, the hinged connecting rod 7-2 is driven by the manual rotating wheel 7-3 to drive the annular ring 7-1 to rotate, and the force capable of rotating the hand wheel 6-3 is reduced by increasing the distance.

The working process is described.

It is to be understood that the present invention has been described with reference to certain embodiments and that various changes in form and details may be made therein by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A through-flow type hydraulic generator rotor lifting device comprises a lifting frame (1) and a lifting plate (2), wherein rectangular connecting portions (1-1) are arranged on the lifting frame (1), and the lifting plate (2) is inserted into the rectangular connecting portions (1-1).

2. A tubular hydro-generator rotor lifting device according to claim 1, characterized in that a cover plate (4) capable of preventing a square pin (5) from being separated is installed at the rear end of the rectangular connecting part (1-1), and adjusting bolts (3) capable of positioning the lifting plate (2) are installed on the left side and the right side of the rectangular connecting part (1-1).

3. A through-flow hydraulic generator rotor lifting device according to claim 1, wherein the moving end (6) comprises a pressing plate (6-1), a screw (6-2) and a hand wheel (6-3), the pressing plate (6-1) is installed on the side wall of the rectangular connecting portion (1-1), the screw (6-2) is rotatably connected to the pressing plate (6-1), the hand wheel (6-3) and the screw (6-2) are fixedly installed, and the screw (6-2) is in threaded connection with the square pin (5).

4. A through-flow type hydraulic generator rotor lifting device according to claim 3, characterized in that the outer end of the screw rod (6-2) is provided with a driving thread (6-2-1), the inner end of the screw rod (6-2) is provided with a through cavity (6-2-2), a plurality of limiting chutes (6-2-3) are circumferentially arrayed in the cavity (6-2-2), the limiting chutes (6-2-3) are axially arrayed with a plurality of positioning grooves (6-2-4) along the screw rod (6-2), the inner end of the cavity (6-2-2) is slidably provided with a polygonal connecting block (6-2-5), the polygonal connecting block (6-2-5) is in limiting fit with the cavity (6-2-2) through the limiting chutes (6-2-3), be provided with slide opening (6-2-6) on polygon connecting block (6-2-5), sliding connection has reference column (6-2-7) in slide connection in slide opening (6-2-6), and reference column (6-2-7) are provided with two, set up between two reference columns (6-2-7) at supporting spring (6-2-8), reference column (6-2-7) and constant head tank (6-2-4) cooperation location, the other end of polygon connecting block (6-2-5) is installed on hand wheel (6-3).

5. A through-flow turbine generator rotor lifting device according to claim 3, characterized in that the hand wheel (6-3) is provided with an expansion part (7) which can rotate the hand wheel (6-3) in a labor-saving manner.

6. A through-flow hydro-generator rotor hoisting device according to claim 5, characterized in that the expansion part (7) comprises an annular ring (7-1), a hinged connecting rod (7-2) and a manual rotating wheel (7-3), the manual rotating wheel (7-3) is installed on the annular ring (7-1) through the hinged connecting rod (7-2), and the annular ring (7-1) is installed on the outer wall of the hand wheel (6-3).