CN212475818U

CN212475818U - Axial flow turbine paddle lifting device

Info

Publication number: CN212475818U
Application number: CN202020941310.4U
Authority: CN
Inventors: 王仕军
Original assignee: Jiangsu Maritime Institute
Current assignee: Jiangsu Maritime Institute
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-05
Anticipated expiration: 2030-05-28

Abstract

The utility model provides an axial-flow turbine paddle lifting device, including flange joint spare, hoist and mount piece is installed at flange joint spare's top, one side level welded fastening of hoist and mount piece has the bracing piece, the cover is equipped with the moving member on the outer wall of bracing piece, the connecting rod is installed to the bottom of moving member, the below of connecting rod is equipped with clamping component, clamping component includes the roof, the top center department of roof installs the installed part, the inboard of installed part is passed through adjusting bolt and is linked to each other with the bottom of connecting rod, just two curb plates, every are installed side by side to the bottom of roof telescopic hydraulic cylinder, every are all installed to one side of curb plate telescopic hydraulic cylinder's piston rod all is connected with splint. The utility model discloses a flange joint spare, moving member, adjusting bolt, installed part, flexible pneumatic cylinder and splint have fixed the paddle, have avoided the trompil to the paddle, the stationarity when having improved the paddle hoist and mount.

Description

Axial flow turbine paddle lifting device

Technical Field

The utility model mainly relates to a technical field of hydraulic turbine paddle specifically is an axial-flow type hydraulic turbine paddle lifting device.

Background

The existing water turbine blade needs to be hoisted by a crane in the process of assembling and disassembling the water turbine due to large weight, and in the prior art, the blade is hoisted mainly by adopting a mode of mounting holes on the working surface of the blade; if the hole is plugged, the plugging process is complex, the plugging requirement is high, and in the next overhaul and hoisting process, the hole needs to be opened again on the working surface, so that manpower and material resources are wasted. Therefore, there is a need to develop an axial flow turbine blade lifting tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides an axial flow turbine paddle lifting device for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides an axial-flow turbine paddle lifting device, includes flange joint spare, hoist and mount piece is installed at flange joint spare's top, one side level welded fastening of hoist and mount piece has the bracing piece, the cover is equipped with the moving member on the outer wall of bracing piece, the connecting rod is installed to the bottom of moving member, the below of connecting rod is equipped with clamping component, clamping component includes the roof, the top center department of roof installs the installed part, the inboard of installed part is passed through adjusting bolt and is linked to each other with the bottom of connecting rod, just two curb plates, every are installed side by side to the bottom of roof telescopic hydraulic cylinder, every are all installed to one side of curb plate the one end average level of telescopic hydraulic cylinder runs through the curb plate, every telescopic hydraulic.

Further, every one side that flexible pneumatic cylinder was kept away from to splint all is equipped with a plurality of mounting grooves, every the mounting panel is all installed to the inboard of mounting groove, every coil spring is all installed at the top of mounting panel, every the blotter is all installed at coil spring's top, every the top of blotter all evenly is equipped with a plurality of rubber pads.

Further, every one side that flexible pneumatic cylinder was kept away from to splint all is equipped with the rubber slab, every one side of rubber slab all is equipped with the abrasion pad, every one side that the abrasion pad was kept away from to the rubber slab all is connected through sticky and splint and rubber pad bonding.

Further, every the top of mounting panel all is equipped with two gag lever posts, every perpendicularly side by side the gag lever post all is located coil spring's the outside.

Furthermore, a plurality of positioning screw holes are uniformly formed in the supporting rod.

Furthermore, the moving member is sliding connection with the bracing piece, two positioning bolts are installed side by side to one side of moving member, every positioning bolt's outer wall all with the inner wall intermeshing of location screw.

Furthermore, a hoisting ring is welded and fixed on the top of the hoisting piece.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a flange joint spare is connected with the flange joint hole of hydraulic turbine paddle, move clamping component to suitable position through the moving member, through not hard up adjusting bolt, make the installed part can rotate in the outside of connecting rod, adjust the angle of installed part, realize clamping component's angle modulation, make the paddle can pass in the middle of two curb plates, stretch out through starting flexible pneumatic cylinder, drive splint to the one side motion that is close to the paddle, tightly grasp the paddle through splint, the fixed of paddle has been realized, the trompil to the paddle has been avoided, the stationarity when having improved the paddle hoist and mount, furthermore, through the bracing piece that sets up, the moving member, adjusting bolt and installed part make lifting device can be applicable to the paddle of different length.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a cross-sectional view of the splint structure of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 1;

fig. 4 is an enlarged view of region B in fig. 1.

In the figure: 1. a flange connection; 2. hoisting a piece; 21. hoisting a ring; 3. a support bar; 31. a moving member; 32. positioning the bolt; 33. positioning the screw hole; 4. a connecting rod; 41. adjusting the bolt; 5. a clamping assembly; 51. a top plate; 511. a mounting member; 52. a side plate; 53. a telescopic hydraulic cylinder; 54. a splint; 541. mounting grooves; 542. mounting a plate; 543. a coil spring; 544. a cushion pad; 545. a rubber pad; 546. a limiting rod; 55. a rubber plate; 551. a wear pad.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and 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, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

In an embodiment, referring to fig. 1 and 3, an axial flow turbine blade hoisting tool includes a flange connector 1, a hoisting member 2 is installed at the top of the flange connector 1, the flange connector 1 is connected with a flange connecting hole of a turbine blade through a bolt, a support rod 3 is horizontally welded and fixed at one side of the hoisting member 2, a moving member 31 is sleeved on the outer wall of the support rod 3, a connecting rod 4 is installed at the bottom of the moving member 31, a clamping assembly 5 is arranged below the connecting rod 4, the clamping assembly 5 includes a top plate 51, an installation member 511 is installed at the center of the top plate 51, the inner side of the installation member 511 is connected with the bottom of the connecting rod 4 through an adjusting bolt 41, two side plates 52 are installed at the bottom of the top plate 51 side by side, a telescopic hydraulic cylinder 53 is installed at one side of each side plate 52, one end of each telescopic hydraulic, a clamping plate 54 is connected to the piston rod of each of said telescopic cylinders 53, the clamping assembly 5 is moved into position by the moving member 31, by loosening the adjusting bolt 41, the mounting piece 511 can rotate on the outer side of the connecting rod 4, the angle of the mounting piece 511 is adjusted, the angle adjustment of the clamping component 5 is realized, the blade can penetrate through the middle of the two side plates 52, by starting the telescopic hydraulic cylinder 53 to extend, the clamping plate 54 is driven to move towards one side close to the blade, the blade is tightly clamped by the clamping plate 54, the fixation of the blade is realized, the hole opening of the blade is avoided, the stability of the blade during hoisting is improved, and in addition, the lifting tool can be suitable for blades with different lengths by arranging the support rod 3, the moving member 31, the adjusting bolt 41 and the mounting piece 511, the top of hoisting piece 2 is welded and fixed with hoisting ring 21, is convenient for hoist through the driving through hoisting ring 21.

In an embodiment, referring to fig. 1 and 4, a plurality of positioning screw holes 33 are uniformly formed in the support rod 3, the moving member 31 is connected with the support rod 3 in a sliding manner, two positioning bolts 32 are installed on one side of the moving member 31 side by side, the outer wall of each positioning bolt 32 is meshed with the inner wall of the positioning screw hole 33, and the moving member 31 slides on the support rod 3 by detaching the positioning bolts 32, so that the distance between the clamping assembly 5 and the blade is adjusted.

In an embodiment, referring to fig. 3 and 4, a plurality of mounting grooves 541 are formed in a side of each clamping plate 54 away from the telescopic hydraulic cylinder 53, a mounting plate 542 is mounted on an inner side of each mounting groove 541, a coil spring 543 is mounted at a top of each mounting plate 542, a cushion 544 is mounted at a top of each coil spring 543, a plurality of rubber pads 545 are uniformly disposed at a top of each cushion 544, a rubber plate 55 is disposed on a side of each clamping plate 54 away from the telescopic hydraulic cylinder 53, a wear pad 551 is disposed on a side of each rubber plate 55, a side of each rubber plate 55 away from the wear pad 551 is adhesively connected with the clamping plate 54 and the rubber pads 545 by gluing, the clamping plate 54 can well clamp the blade by the arrangement of the coil springs 543, the cushion 544, the rubber pads 545 and the rubber plates 55, and the clamping plate 54 is prevented from damaging the blade, the friction force between the wear-resistant pad 551 and the blade is increased, the blade can be effectively prevented from being separated from the clamping plate 54, two limiting rods 546 are vertically arranged on the top of each mounting plate 542 side by side, each limiting rod 546 is located on the outer side of the spiral spring 543, and the possibility that the spiral spring 543 is damaged is reduced through the limiting rods 546.

The utility model discloses a concrete operation as follows:

firstly, the positioning bolt 32 is dismounted, the moving piece 31 slides on the supporting rod 3, the distance between the clamping component 5 and the blade is adjusted, the flange connecting piece 1 is connected with a flange connecting hole of the water turbine blade through a bolt, the mounting piece 511 can rotate on the outer side of the connecting rod 4 by loosening the adjusting bolt 41, the angle of the mounting piece 511 is adjusted, the angle adjustment of the clamping component 5 is realized, the blade can penetrate through the middle of the two side plates 52, the clamping plate 54 is driven to move towards one side close to the blade by starting the telescopic hydraulic cylinder 53 to tightly clamp the blade through the clamping plate 54, the fixation of the blade is realized, in addition, the lifting tool can be suitable for blades with different lengths by the supporting rod 3, the moving piece 31, the adjusting bolt 41 and the mounting piece 511, the spiral spring 543, the cushion 544, the rubber pad 545 and the rubber plate 55 are arranged, so that the clamping plate 54 can well clamp, meanwhile, the clamping plate 54 is prevented from damaging the blade, and the friction between the wear-resistant pad 551 and the blade is increased, so that the blade can be effectively prevented from being separated from the clamping plate 54.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides an axial-flow turbine paddle lifting device, includes flange connecting piece (1), its characterized in that, hoist and mount piece (2) are installed at the top of flange connecting piece (1), one side horizontal welded fastening of hoist and mount piece (2) has bracing piece (3), the cover is equipped with moving member (31) on the outer wall of bracing piece (3), connecting rod (4) are installed to the bottom of moving member (31), the below of connecting rod (4) is equipped with clamping component (5), clamping component (5) include roof (51), installed part (511) are installed to the top center department of roof (51), the inboard of installed part (511) is passed through adjusting bolt (41) and is linked to each other with the bottom of connecting rod (4), just two curb plates (52) are installed side by side to the bottom of roof (51), every flexible pneumatic cylinder (53) are all installed to one side of curb plate (52), one end of each telescopic hydraulic cylinder (53) horizontally penetrates through the side plate (52), and a piston rod of each telescopic hydraulic cylinder (53) is connected with a clamping plate (54).

2. The axial flow water turbine blade lifting tool as claimed in claim 1, wherein a plurality of mounting grooves (541) are formed in one side of each clamping plate (54) far away from the telescopic hydraulic cylinder (53), a mounting plate (542) is mounted on the inner side of each mounting groove (541), a spiral spring (543) is mounted at the top of each mounting plate (542), a cushion pad (544) is mounted at the top of each spiral spring (543), and a plurality of rubber pads (545) are uniformly arranged at the top of each cushion pad (544).

3. An axial flow water turbine blade lifting tool according to claim 2, characterized in that a rubber plate (55) is arranged on one side of each clamping plate (54) far away from the telescopic hydraulic cylinder (53), a wear pad (551) is arranged on one side of each rubber plate (55), and one side of each rubber plate (55) far away from the wear pad (551) is adhesively connected with the clamping plate (54) and the rubber pad (545) through gluing.

4. The axial flow turbine blade lifting tool as claimed in claim 3, wherein two stop rods (546) are vertically arranged on the top of each mounting plate (542) side by side, and each stop rod (546) is located outside the coil spring (543).

5. The axial flow water turbine blade lifting tool according to claim 1, wherein a plurality of positioning screw holes (33) are uniformly formed in the support rod (3).

6. The axial flow turbine blade hoisting tool of claim 5, wherein the moving member (31) is slidably connected with the support rod (3), two positioning bolts (32) are arranged on one side of the moving member (31) side by side, and the outer wall of each positioning bolt (32) is meshed with the inner wall of a positioning screw hole (33).

7. The axial flow turbine blade lifting tool as claimed in claim 1, wherein a lifting ring (21) is welded and fixed on the top of the lifting piece (2).