Transferring and bearing mechanism for steam turbine blade production

Abstract

The utility model belongs to the technical field of steam turbine blade production, and particularly relates to a transfer bearing mechanism for steam turbine blade production, which comprises a moving frame, rollers mounted at the bottom of the moving frame and limiting mechanisms oppositely mounted on the inclined surface of the moving frame. The limiting mechanism comprises a fixing block, a fixing strip, an adjusting column, a limiting plate, a nut, a screw and a connecting plate. The fixing block is used for supporting, the nut can be rotated to connect the limiting plate to the top end of the adjusting column, then the nut on the screw rod is loosened, the height of the connecting plate on the screw rod is adjusted, the rubber pad at the bottom of the limiting plate is made to make contact with the blade body, pressure is applied to the blade body, and therefore the blade body is limited, and then the nut on the screw rod is rotated. The connecting plate is limited; the movable frame can be pushed to move through the rolling wheels for transferring, the blade bodies can be conveniently placed, and damage caused by mutual contact of the blade bodies is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam turbine blade production technical field especially relates to a kind of transfer bearing mechanism for steam turbine blade production. BACKGROUND

[0002] Steam turbine blade is the general term of the steel used in moving and stationary blades in steam turbine. Blade is the key part of steam turbine, and also one of the most delicate and important parts. It bears high temperature, high pressure, huge centrifugal force, steam force, steam excitation force, corrosion and vibration, and the combined action of wet steam area water drop erosion under extremely harsh conditions. Its aerodynamic performance, processing geometry, surface roughness, installation gap and running condition, fouling and other factors all affect the efficiency and output of steam turbine. Its structural design, vibration strength and operation mode have decisive influence on the safety and reliability of the unit.

[0003] Steam turbine blade needs to be stored during production. The existing storage method is to stack steam turbine blades together. This method wastes space utilization on the one hand, and causes damage to steam turbine blades on the other hand, and is not convenient to take. SUMMARY

[0004] The utility model aims at the defects of prior art, and provides a kind of transfer bearing mechanism for steam turbine blade production to solve the problems raised in the above background.

[0005] A kind of transfer bearing mechanism for steam turbine blade production, including mobile frame, the roller installed at the bottom of mobile frame and the limiting mechanism installed oppositely on the inclined surface of mobile frame, the limiting mechanism includes fixed block, fixed strip, adjusting column, limit plate, nut, screw rod and connecting plate, the fixed strip is fixed at the upper end of the inclined surface of mobile frame, multiple protruding blocks are uniformly arranged on the fixed strip, multiple fixed blocks are also arranged, and are installed at the lower end of the inclined surface of mobile frame, and are set one by one corresponding to multiple protruding blocks, the adjusting column is set downwardly penetrating mobile frame in multiple groups, and two are a group, the limit plate is rotatably installed on the two adjusting columns of the same group by the nut, the screw rod is fixedly installed at the bottom surface of mobile frame, and the connecting plate is locked on the screw rod by nut.

[0006] By adopting the above technical scheme, the blade body is conveniently placed, and mutual contact of blade bodies is avoided to cause damage.

[0007] The upper surface of the mobile frame is set as low in the middle and high on both sides, and a stop block is installed in the middle of the mobile frame.

[0008] By adopting the above technical scheme, the blade bodies placed on both sides of the mobile frame are separated and placed.

[0009] The lower end of the limiting plate is provided with a rubber pad.

[0010] By adopting the technical scheme, the blade body is limited by applying pressure to the upper surface of the blade body.

[0011] The screw nuts are arranged at two ends of the limiting plate and are rotationally connected to the limiting plate through the swivel joints.

[0012] By adopting the technical scheme, the limiting plate is installed on the adjusting column through the screw nut of the rotating rod.

[0013] The adjusting column is vertically arranged through the moving frame, and the limiting plate is horizontally arranged on the adjusting column through the screw nut.

[0014] By adopting the technical scheme, the blade body is limited.

[0015] The transport bearing mechanism for steam turbine blade production has the following advantages:

[0016] The blade body is placed on the corresponding protruding block and the fixing block, the blade root is attached to the inclined surface of the moving frame, the connecting part of the blade root and the blade body is clamped at the protruding block, the blade body contacts the inclined surface of the moving frame, and the fixing block is used for supporting, the limiting plate is connected at the top end of the adjusting column by rotating the screw nut, the nut on the screw rod is loosened, the height of the connecting plate on the screw rod is adjusted, the rubber pad at the bottom of the limiting plate contacts the blade body, pressure is applied to the blade body, so that the blade body is limited, and then the nut on the screw rod is rotated to limit the connecting plate; the moving frame can be pushed to move through the roller, and the blade body can be transported conveniently, and the blade body is prevented from being damaged by mutual contact. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 The figure shows a placing blade structure of the transport bearing mechanism for steam turbine blade production.

[0018] Fig. 2 The figure shows a whole structure of the transport bearing mechanism for steam turbine blade production.

[0019] Fig. 3 The figure shows another view of the transport bearing mechanism for steam turbine blade production.

[0020] In the figure: 1, moving frame; 2, stop block; 3, fixing block; 4, fixing strip; 401, protruding block; 5, adjusting column; 6, limiting plate; 7, screw nut; 8, screw rod; 9, connecting plate; 10, roller; 11, rubber pad; 12, blade body. DETAILED DESCRIPTION

[0021] The advantages and features of the present application can be more easily understood by those skilled in the art, and the protection scope of the present application can be more clearly defined, by the preferred embodiments of the present application in conjunction with the accompanying drawings.

[0022] Referring to Figs. 1-3 A kind of transfer carrying mechanism for steam turbine blade production, including mobile frame 1, the roller 10 of installation in the bottom of mobile frame 1 and opposite installation on the inclined surface of mobile frame 1 limiting mechanism, limiting mechanism includes fixed block 3, fixed strip 4, adjusting column 5, limit plate 6, nut 7, screw rod 8 and connecting plate 9, fixed strip 4 is fixed at the upper end of the inclined surface of mobile frame 1, multiple protruding blocks 401 are uniformly arranged on fixed strip 4, fixed block 3 is also arranged with multiple, and is installed at the lower end of the inclined surface of mobile frame 1, and is set up one by one with multiple protruding blocks 401, adjusting column 5 is set down by multiple groups, and two are a group, limit plate 6 is rotatably installed on the two adjusting columns 5 of same group by nut 7, screw rod 8 is fixedly installed at the bottom surface of mobile frame 1, connecting plate 9 is locked on screw rod 8 by nut.

[0023] When using, blade body 12 can be placed on corresponding protruding block 401 and fixed block 3 in the mode as shown in the figure, so that blade root adheres to the inclined surface of mobile frame 1, the connecting part of blade root and blade body is clamped at protruding block 401, and blade body contacts the inclined surface of mobile frame 1, and is supported by fixed block 3;

[0024] At this time, nut 7 can be rotated to connect limit plate 6 at the top end of adjusting column 5, then the nut on screw rod 8 is loosened, the height of connecting plate 9 on screw rod 8 is adjusted, so that rubber pad 11 at the bottom of limit plate 6 contacts blade body 12, pressure is applied to blade body 12, so as to limit blade body 12, and then the nut on screw rod 8 is rotated to limit connecting plate 9;

[0025] At this time, mobile frame 1 can be pushed to move through roller 10 for transfer.

[0026] The upper surface of mobile frame 1 is arranged as low in the middle and high on both sides, and stop block 2 is installed in the middle of mobile frame 1;After blade body 12 is positioned on the surface of both sides of mobile frame 1, external baffle can be placed on both sides of stop block 2, so that baffle can block the other end of blade body 12, and support the lower end of blade body 12.

[0027] Rubber pad 11 is installed at the lower end of limit plate 6;In order to avoid hard connection between limit plate 6 and blade body 12 from causing scratch to blade body 12, rubber pad 11 is arranged to play a role of soft connection and protect blade body 12.

[0028] The screw nut 7 is arranged at both ends of the limiting plate 6 and is rotatably connected with the limiting plate 6 through a rotating ring; the upper end of the adjusting column 5 is screw-threaded so as to be screw-connected with the screw nut 7, and the limiting plate 6 is installed on the adjusting column 5, which is convenient for limiting the pressure applied to the blade body 12 through the limiting plate 6 and the rubber pad 11.

[0029] The adjusting column 5 is vertically arranged through the moving frame 1, and the limiting plate 6 is horizontally arranged and installed on the adjusting column 5 through the screw nut 7; thus, the adjusting column 5 can normally move up and down, and the limiting plate 6 can apply pressure to the upper surface of the blade body 12 to limit the blade body 12 to be clamped at the fixed strip 4 and the protruding block 401.

[0030] The above-mentioned embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be pointed out that, for ordinary skilled persons in the art, some modifications and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A transfer carrier for producing a steam turbine blade, comprising a moving frame (1), a roller (10) installed at the bottom of the moving frame (1), and a limiting mechanism installed on the inclined surface of the moving frame (1) in opposition, characterized in that: Said limiting mechanism includes fixed block (3), fixed strip (4), adjusting column (5), limiting plate (6), nut (7), screw rod (8) and connecting plate (9), the fixed strip (4) is fixed at the upper end of the inclined surface of the moving frame (1), a plurality of protruding blocks (401) are uniformly arranged on the fixed strip (4), the fixed block (3) is also arranged with a plurality of, and is installed at the lower end of the inclined surface of the moving frame (1), and is correspondingly arranged with a plurality of protruding blocks (401), the adjusting column (5) is a plurality of groups downwardly penetrating the moving frame (1), and two are a group, the limiting plate (6) is rotatably installed on the two adjusting columns (5) of the same group through the nut (7), the screw rod (8) is fixedly installed at the bottom surface of the moving frame (1), and the connecting plate (9) is locked on the screw rod (8) through the nut.

2. The transfer carrier for producing a gas turbine blade according to claim 1, characterized by: The upper surface of the moving frame (1) is provided with a low middle and high two sides, and the stop block (2) is installed in the middle of the moving frame (1).

3. The transfer carrier for the production of gas turbine blades according to claim 2, characterized in that: The lower end of the limiting plate (6) is provided with a rubber pad (11).

4. The transfer carrier for producing a gas turbine blade according to claim 3, characterized by: The nut (7) is arranged at the two ends of the limiting plate (6) and is rotatably connected with the limiting plate (6) through a swivel ring.

5. The transfer carrier for the production of gas turbine blades according to claim 4, characterized in that: The adjusting column (5) penetrates the moving frame (1) in a vertical state, and the limiting plate (6) is installed on the adjusting column (5) in a horizontal state through the nut (7).

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