CN210818141U - Turbine blade pre-welding positioning tool with high efficiency and reliable quality - Google Patents

Abstract

The utility model discloses a pre-welding positioning tool for turbine blades with high efficiency and reliable quality, which comprises a bracket, a positioning sheet, a blade positioning ring, a guide rail, a positioning slider, an inner positioning block and a rotating shaft, wherein the guide rail is arranged inside the positioning sheet, The rotating shaft is arranged on the inner side of the guide rail, the top of the rotating shaft is fixedly connected with the handle, two positioning sliders are symmetrically arranged on the upper and lower sides of the guide rail, and the positioning sliders are threadedly connected with the rotating shaft, and the upper and lower sides of the front side of the guide rail are symmetrically arranged on both sides. There are two inner positioning blocks, the positioning slider is provided with an inner slider, the inner positioning block and the inner slider are fixedly connected through the inner connecting rod, and two positioning columns are symmetrically arranged on the left and right sides of the front end of the bracket, and the two positioning columns A positioning piece is arranged between the two, and the beneficial effects of the utility model are: the positioning tool can accurately position the turbine main shaft and the turbine blade, which is convenient for welding; turn the handle to make the upper and lower inner positioning blocks clamp the turbine main shaft, and the turbine The spindle is positioned and fixed.

Description

An efficient and reliable pre-welding positioning tool for turbine blades

technical field

The utility model relates to the field of turbine production, in particular to a pre-welding positioning tool for turbine blades with high efficiency and reliable quality.

Background technique

Turbine is a kind of rotary power machine that converts the energy of flowing working fluid into mechanical work. It is often used in the three major mechanisms (slewing mechanism, luffing mechanism, hoisting mechanism) of engine, hydraulic coupling and tower crane. Pneumatic clutch and other fields.

During the production and welding of turbines, positioning tooling is usually used to position the turbine blades, increase the quality of the turbine, and improve production efficiency. However, the common positioning tooling for turbine blades before welding is manufactured according to the shape of a specific turbine. A positioning tool corresponds to a specific turbine, and the applicability is low, which increases the production cost. Therefore, those skilled in the art provide a pre-welding positioning tool for turbine blades with high efficiency and reliable quality, so as to solve the problems raised in the above background art.

Utility model content

The purpose of the present invention is to provide a pre-welding positioning tool for turbine blades with high efficiency and reliable quality, so as to solve the problems raised in the above background technology.

To achieve the above object, the utility model provides the following technical solutions:

An efficient and reliable pre-welding positioning tool for turbine blades, comprising a bracket, a positioning sheet, a blade positioning ring, a guide rail, a positioning slider, an inner positioning block and a rotating shaft, the guide rail is arranged inside the positioning sheet, and the rotating shaft is arranged inside the guide rail , the top of the rotating shaft is fixedly connected with the rotating handle, two positioning sliders are symmetrically arranged on the upper and lower sides of the guide rail, the positioning sliders are threadedly connected with the rotating shaft, and two inner positioning blocks are symmetrically arranged on the upper and lower sides of the front side of the guide rail The positioning block is provided with an inner slider, and the inner positioning block and the inner slider are fixedly connected by an inner connecting rod. Two positioning columns are symmetrically arranged on the left and right sides of the front end of the bracket, and a positioning piece is arranged between the two positioning columns. , the middle of the positioning piece is fixedly connected with a blade positioning ring.

As a further solution of the present invention, the left and right sides of the positioning piece are provided with positioning sleeves, and the positioning sleeves are sleeved on the positioning posts.

As a further solution of the present invention, the upper and lower sides of the bracket are provided with rotating shaft positioning pipes, and the upper and lower sides of the rotating shaft are inserted into the rotating shaft positioning pipes.

As a further solution of the present invention, an outer positioning block is arranged outside the positioning slider, an outer slider is arranged inside the positioning slider, and the outer slider is fixedly connected to the outer positioning block through an outer connecting rod.

As a further solution of the present invention, upper and lower threads are respectively provided on the rotating shaft corresponding to the upper and lower positioning sliders, and the directions of the upper and lower threads are opposite.

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

1. The positioning tool can accurately position the turbine main shaft and turbine blades, which is convenient for welding and has high applicability;

2. Turn the handle to make the upper and lower inner positioning blocks clamp the turbine main shaft, then the turbine main shaft can be positioned and fixed;

3. After the turbine welding is completed, the outer ring of the turbine can also be positioned for welding as needed, with more comprehensive functions and more flexible use.

Description of drawings

Fig. 1 is a kind of high-efficiency, reliable quality turbine blade pre-welding positioning tooling is a schematic diagram of the structure;

Fig. 2 is a kind of high-efficiency, reliable quality turbine blade pre-welding positioning tool after taking out the structural schematic diagram of the positioning piece;

Fig. 3 is a kind of high-efficiency, reliable quality turbine blade pre-welding positioning tool middle back structure schematic diagram;

In the figure: 1. Bracket; 2. Positioning piece; 3. Blade positioning ring; 4. Positioning sleeve; 5. Positioning column; 6. Guide rail; 7. Positioning slider; 8. External positioning block; 9. External connecting rod; 10, outer slider; 11, inner positioning block; 12, shaft; 13, handle; 14, inner slider; 15, inner connecting rod; 16, upper thread; 17, lower thread; 18, shaft positioning pipe.

Detailed ways

Please refer to FIGS. 1 to 3. In the embodiment of the present invention, an efficient and reliable pre-welding positioning tool for turbine blades includes a bracket 1, a positioning sheet 2, a blade positioning ring 3, a guide rail 6, a positioning slider 7, an inner The positioning block 11 and the rotating shaft 12, the guide rail 6 is arranged on the inner side of the positioning piece 2, the rotating shaft 12 is arranged on the inner side of the guide rail 6, the upper and lower sides of the bracket 1 are provided with rotating shaft positioning pipes 18, and the upper and lower sides of the rotating shaft 12 are inserted. In the rotating shaft positioning tube 18, the top of the rotating shaft 12 is fixedly connected with the rotating handle 13, and two positioning sliders 7 are symmetrically arranged on the upper and lower sides of the guide rail 6. The positioning sliders 7 are screwed with the rotating shaft 12, and the rotating shaft 12 corresponds to An upper thread 16 and a lower thread 17 are respectively provided at the upper and lower positioning sliders 7. The upper thread 16 and the lower thread 17 turn in opposite directions. Two inner positioning blocks 11 are symmetrically arranged on the upper and lower sides of the front side of the guide rail 6. An inner slider 14 is arranged in the block 7, and the inner positioning block 11 and the inner slider 14 are fixedly connected by the inner connecting rod 15. Insert the inner shaft of the turbine into the bracket 1, and rotate the handle 13 to move the upper and lower positioning sliders 7 toward each other. The upper and lower inner positioning blocks 11 are fixed to the inner shaft of the turbine and positioned, which can be positioned for the inner shaft of the turbine of different sizes.

Two positioning columns 5 are arranged symmetrically on the left and right sides of the front end of the bracket 1, a positioning sheet 2 is arranged between the two positioning columns 5, and a blade positioning ring 3 is fixedly connected to the middle of the positioning sheet 2. The left and right sides of the positioning sheet 2 are A positioning sleeve 4 is provided, the positioning sleeve 4 is sleeved on the positioning column 5, the turbine blades are positioned by the blade positioning ring 3, and the blade positioning ring 3 is positioned by the positioning sheet 2 and the positioning column 5, so for different specifications For turbines, it is only necessary to replace the blade positioning rings 3 of different sizes, which increases the applicability of positioning tooling and saves costs.

An outer positioning block 8 is arranged outside the positioning slider 7, and an outer slider 10 is arranged inside the positioning slider 7. The outer slider 10 is fixedly connected to the outer positioning block 8 through the outer connecting rod 9, and the outer positioning block 8 acts on The turbine outer ring is positioned before welding, and there is no need to remove the welded turbine inner shaft during positioning.

The working principle of the utility model is:

When in use, insert the inner shaft of the turbine into the bracket 1, turn the handle 13 to move the upper and lower positioning sliders 7 toward each other, so that the upper and lower inner positioning blocks 11 fix the inner shaft of the turbine, and perform positioning, and then insert the turbine blade into the blade for positioning. After the small holes in the ring 3 are fully inserted, insert the positioning sleeves 4 on both sides of the positioning sheet 2 into the positioning column 5 to realize the positioning of the turbine blades, and then the welding work of the turbine blades can be carried out. Remove the positioning piece 2. For some specific turbines, there is also an outer ring on the outer side. To weld the outer ring with the turbine blades, the appropriate outer positioning block 8 can be replaced at this time, and the outer ring of the turbine is sleeved on the outer side. Positioning is carried out on the positioning block 8, and after the positioning is completed, the outer ring of the turbine and the turbine blades are welded.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. The technical solution of the utility model and its utility model concept are equivalently replaced or changed, and should be covered within the protection scope of the present utility model.

Claims (5)

1. A turbine blade pre-welding positioning tool with high efficiency and reliable quality comprises a support (1), a positioning piece (2), a blade positioning ring (3), a guide rail (6), positioning sliders (7), inner positioning blocks (11) and a rotating shaft (12), and is characterized in that the guide rail (6) is arranged on the inner side of the positioning piece (2), the rotating shaft (12) is arranged on the inner side of the guide rail (6), the top of the rotating shaft (12) is fixedly connected with a rotating handle (13), the upper side and the lower side of the inner part of the guide rail (6) are symmetrically provided with the two positioning sliders (7), the positioning sliders (7) are in threaded connection with the rotating shaft (12), the upper side and the lower side of the front side of the guide rail (6) are symmetrically provided with the two inner positioning blocks (11), the inner sliders (14) are arranged in the positioning sliders (7), the inner positioning blocks (11) are fixedly connected with the inner sliders (14) through inner connecting rods (15), the left, a positioning sheet (2) is arranged between the two positioning columns (5), and the middle part of the positioning sheet (2) is fixedly connected with a blade positioning ring (3).

2. The turbine blade pre-welding positioning tool with high efficiency and reliable quality as claimed in claim 1, wherein positioning sleeves (4) are arranged on the left side and the right side of the positioning sheet (2), and the positioning sleeves (4) are sleeved on the positioning columns (5).

3. The turbine blade pre-welding positioning tool with high efficiency and reliable quality as claimed in claim 1, wherein the upper side and the lower side of the bracket (1) are both provided with a rotating shaft positioning tube (18), and the upper side and the lower side of the rotating shaft (12) are both inserted into the rotating shaft positioning tube (18).

4. The turbine blade pre-welding positioning tool with high efficiency and reliable quality as claimed in claim 1, wherein an outer positioning block (8) is arranged on the outer side of the positioning sliding block (7), an outer sliding block (10) is arranged inside the positioning sliding block (7), and the outer sliding block (10) is fixedly connected with the outer positioning block (8) through an outer connecting rod (9).

5. The turbine blade pre-welding positioning tool with high efficiency and reliable quality as claimed in claim 1, wherein the rotating shaft (12) is provided with an upper thread (16) and a lower thread (17) corresponding to the upper positioning slide block (7) and the lower positioning slide block (7), and the rotation directions of the upper thread (16) and the lower thread (17) are opposite.

Images