A cutting device for production and maintenance of water turbine

By designing a cutting device for turbine production and maintenance, the problem of efficient cutting of workpieces in the prior art is solved, and efficient cutting of workpieces in the turbine is achieved, and production and maintenance efficiency is improved.

CN118789017BActive Publication Date: 2025-05-13NAT ENERGY CHANGYUAN ENSHI HYDROPOWER DEV CO LTD
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Patent Information

Application Number
CN202411013492.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-07-26
Publication Date
2025-05-13
Estimated Expiration
2044-07-26

AI Technical Summary

Technical Problem

In the prior art, it is impossible to efficiently cut the inside and outside of the workpiece during the production and maintenance of the turbine, resulting in low cutting efficiency.

Method used

A cutting device for the production and maintenance of the turbine is designed, including a mounting base, a roller mechanism, a rotating sleeve mechanism, a rotating shaft mechanism, an external cutting mechanism and an internal cutting mechanism. Through the coordinated work of these mechanisms, synchronous cutting of the outside and inside of the workpiece is achieved.

Benefits of technology

Through the use of this device, the cutting efficiency during the turbine production and maintenance process can be significantly improved, and the workpiece cutting needs of different outer diameters and inner diameters can be adapted to the cutting needs of workpieces.

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Abstract

The invention discloses a cutting device for turbine production and maintenance, and relates to the technical field of turbine production and maintenance. The device comprises a mounting base, wherein a roller mechanism is provided at the bottom of the mounting base, a mounting frame is provided on the mounting base, a rotating sleeve mechanism and a rotating shaft mechanism are provided on the mounting frame, the rotating shaft mechanism is connected to the mounting frame mechanism, a driving shaft mechanism is provided on the mounting frame mechanism, a first spacing adjustment mechanism and a second spacing adjustment mechanism are provided on the mounting frame mechanism, two external cutting mechanisms are provided on the first spacing adjustment mechanism, two internal cutting mechanisms are provided on the second spacing adjustment mechanism, and two clamping and fixing mechanisms are provided on the mounting frame, and the two clamping and fixing mechanisms are symmetrically arranged on the mounting frame. The invention can drive the rotating shaft mechanism by arranging the rotating sleeve mechanism, and the rotating shaft mechanism can drive the external cutting mechanism and the internal cutting mechanism to rotate and displace, thereby increasing the cutting speed and improving the efficiency of turbine production and maintenance cutting.
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Description

Technical Field

[0001] The invention relates to the technical field of water turbine production and maintenance, in particular to a cutting device for water turbine production and maintenance. Background Art

[0002] A water turbine is a power machine that converts the energy of water flow into rotational mechanical energy. It belongs to the category of turbine machinery in fluid machinery. Most modern water turbines are installed in hydropower stations to drive generators to generate electricity. In a hydropower station, water from an upstream reservoir is led to the water turbine through a water diversion pipe, which drives the turbine runner to rotate and drives the generator to generate electricity.

[0003] In the prior art, a handheld cutting machine is usually used to directly cut and process the workpiece. However, in the prior art, the inside and outside of the workpiece cannot be cut, so the cutting efficiency is low. Therefore, there is a large room for improvement in the prior art. Summary of the invention

[0004] The present invention provides a cutting device for production and maintenance of a water turbine, which solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A cutting device for turbine production and maintenance, comprising a mounting base, a roller mechanism is provided at the bottom of the mounting base, a mounting frame is provided on the mounting base, a rotating sleeve mechanism and a rotating shaft mechanism are provided on the mounting frame, the rotating shaft mechanism is connected to the mounting frame mechanism, a driving shaft mechanism is provided on the mounting frame mechanism, a first spacing adjustment mechanism and a second spacing adjustment mechanism are provided on the mounting frame mechanism, two external cutting mechanisms are provided on the first spacing adjustment mechanism, two internal cutting mechanisms are provided on the second spacing adjustment mechanism, and two clamping and fixing mechanisms are provided on the mounting frame, and the two clamping and fixing mechanisms are symmetrically arranged on the mounting frame; the rotating sleeve mechanism is used to drive the rotating shaft mechanism, the driving shaft mechanism is used to drive the external cutting mechanism and the internal cutting mechanism, the first spacing adjustment mechanism is used to adjust the spacing of the two external cutting mechanisms, and the second spacing adjustment mechanism is used to adjust the spacing of the two internal cutting mechanisms.

[0007] As a preferred technical solution of the present invention, the roller mechanism includes a roller shaft rotatably connected to the mounting base, the roller shaft is fixedly connected to the roller seat, and the roller seat is rotatably connected to the roller.

[0008] As a preferred technical solution of the present invention, the rotating sleeve mechanism includes a first motor fixed on a mounting frame, the output shaft of the first motor is fixedly connected to a first gear, the first gear meshes with a second gear, the second gear is fixedly connected to a rotating sleeve, and the rotating sleeve and the mounting frame are rotatably connected.

[0009] As a preferred technical solution of the present invention, the rotating shaft mechanism includes a linear motor fixed on a mounting frame, the top of the linear motor is fixedly connected to a lifting plate, the lifting plate is rotatably connected to a lifting plate shell, the lifting plate shell is fixedly connected to a first rotating shaft, a first slot is provided on the first rotating shaft, a first block is provided in a rotating sleeve, the first block is located in the first slot, the first block and the rotating sleeve are slidably connected, the first rotating shaft passes through the rotating sleeve, and the first rotating shaft and the rotating sleeve are slidably connected.

[0010] As a preferred technical solution of the present invention, the mounting frame mechanism includes a mounting shell fixed on the first rotating shaft, the mounting shell fixedly connects two first mounting frames and two second mounting frames, the two first mounting frames are symmetrically arranged on the mounting shell, and the two second mounting frames are symmetrically arranged on the mounting shell.

[0011] As a preferred technical solution of the present invention, the drive shaft mechanism includes a second motor fixed in the mounting shell, the output shaft of the second motor is fixedly connected to the first bevel gear, the first bevel gear meshes with four second bevel gears, the second bevel gear is fixedly connected to the second rotating shaft, and the second rotating shaft and the mounting shell are rotatably connected.

[0012] As a preferred technical solution of the present invention, the first spacing adjustment mechanism includes an adjusting threaded rod rotatably connected to the first mounting frame, the adjusting threaded rod is composed of two threaded rods with opposite rotation directions, a third motor is provided on the first mounting frame, the output shaft of the third motor and the adjusting threaded rod are coaxially fixedly connected, the adjusting threaded rod is threadedly connected to the two spacing adjustment frames, the spacing adjustment frame and the first mounting frame are slidably connected, and the second spacing adjustment mechanism has the same structure as the first spacing adjustment mechanism.

[0013] As a preferred technical solution of the present invention, the external cutting mechanism includes a third rotating shaft rotatably connected to the spacing adjustment frame, the third rotating shaft is fixedly connected to the cutting blade, the third rotating shaft is fixedly connected to the third bevel gear, the third bevel gear meshes with the fourth bevel gear, the fourth bevel gear is fixedly connected to the sliding sleeve, the second rotating shaft passes through the sliding sleeve and is slidably connected to the sliding sleeve, the second rotating shaft is provided with a second slot, the sliding sleeve is provided with a second block, the second block is located in the second slot, the second block is slidably connected to the second rotating shaft, and the internal cutting mechanism and the external cutting mechanism have the same structure.

[0014] As a preferred technical solution of the present invention, the clamping and fixing mechanism includes a hydraulic push rod fixed on the mounting frame, the hydraulic push rod is fixedly connected to the moving plate, the moving plate is fixedly connected to the moving rod, the moving rod passes through the mounting frame and is slidably connected to the mounting frame, and the moving rod is fixedly connected to the clamping arc plate.

[0015] As a preferred technical solution of the present invention, the mounting base is open.

[0016] The present invention has the following benefits:

[0017] By setting a rotating sleeve mechanism, the rotating shaft mechanism can be driven, and the rotating shaft mechanism can drive the external cutting mechanism and the internal cutting mechanism to rotate and displace, thereby increasing the cutting speed. The spacing between the two external cutting mechanisms can be adjusted by the first spacing adjustment mechanism to adapt to the cutting of workpieces with different outer diameters. The spacing between the two internal cutting mechanisms can be adjusted by the second spacing adjustment mechanism to adapt to the cutting of workpieces with different inner diameters. The entire device can be fixed by the clamping and fixing mechanism, thereby improving the efficiency of cutting in the production, maintenance and repair of turbines. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 The present invention is a structural schematic diagram of a cutting device for production and maintenance of water turbines.

[0019] Figure 2 The present invention is a structural schematic diagram of a clamping and fixing mechanism on a cutting device for production and maintenance of a water turbine.

[0020] Figure 3 Schematic diagram of the partial structure of the cutting device used for turbine production and maintenance.

[0021] Figure 4 Schematic diagram of the partial structure of the cutting device used for turbine production and maintenance.

[0022] In the figure: 1, mounting base; 2, roller mechanism; 201, roller shaft; 202, roller seat; 203, roller; 3, mounting frame; 4, rotating sleeve mechanism; 401, first motor; 402, first gear; 403, second gear; 404, rotating sleeve; 5, rotating shaft mechanism; 501, linear motor; 502, lifting plate; 503, lifting plate shell; 504, first rotating shaft; 6, mounting frame mechanism; 601, mounting shell; 602, first mounting frame; 603, second mounting frame; 7, driving shaft mechanism; 701, second motor; 702, first Bevel gear; 703, second bevel gear; 704, second rotating shaft; 8, first spacing adjustment mechanism; 801, adjusting threaded rod; 802, third motor; 803, spacing adjustment frame; 9, second spacing adjustment mechanism; 10, external cutting mechanism; 1001, third rotating shaft; 1002, cutting blade; 1003, third bevel gear; 1004, fourth bevel gear; 1005, sliding sleeve; 11, internal cutting mechanism; 12, clamping and fixing mechanism; 1201, hydraulic push rod; 1202, moving plate; 1203, moving rod; 1204, clamping arc plate. DETAILED DESCRIPTION

[0023] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0024] It should be noted that the directions or positional relationships indicated by terms such as “center”, “up”, “down”, “left”, “right”, “vertical”, “horizontal”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0025] Example 1, please refer to Figure 1-Figure 4 A cutting device for turbine production and maintenance, comprising a mounting base 1, a roller mechanism 2 is provided at the bottom of the mounting base 1, a mounting frame 3 is provided on the mounting base 1, a rotating sleeve mechanism 4 and a rotating shaft mechanism 5 are provided on the mounting frame 3, the rotating shaft mechanism 5 is connected to the mounting frame mechanism 6, a driving shaft mechanism 7 is provided on the mounting frame mechanism 6, a first spacing adjustment mechanism 8 and a second spacing adjustment mechanism 9 are provided on the mounting frame mechanism 6, two external cutting mechanisms 10 are provided on the first spacing adjustment mechanism 8, and two internal cutting mechanisms 11 are provided on the second spacing adjustment mechanism 9, and two clamping and fixing mechanisms 12 are provided on the mounting frame 3, and the two clamping and fixing mechanisms 12 are symmetrically arranged on the mounting frame 3; the rotating sleeve mechanism 4 is used to drive the rotating shaft mechanism 5, the driving shaft mechanism 7 is used to drive the external cutting mechanism 10 and the internal cutting mechanism 11, the first spacing adjustment mechanism 8 is used to adjust the spacing of the two external cutting mechanisms 10, and the second spacing adjustment mechanism 9 is used to adjust the spacing of the two internal cutting mechanisms 11.

[0026] The roller mechanism 2 includes a roller shaft 201 rotatably connected to the mounting base 1 , the roller shaft 201 is fixedly connected to a roller seat 202 , and the roller seat 202 is rotatably connected to a roller 203 .

[0027] The rotating sleeve mechanism 4 includes a first motor 401 fixed on the mounting frame 3, the output shaft of the first motor 401 is fixedly connected to the first gear 402, the first gear 402 is meshed with the second gear 403, the second gear 403 is fixedly connected to the rotating sleeve 404, and the rotating sleeve 404 is rotatably connected to the mounting frame 3. The rotating shaft mechanism 5 includes a linear motor 501 fixed on the mounting frame 3, the top of the linear motor 501 is fixedly connected to the lifting plate 502, the lifting plate 502 is rotatably connected to the lifting plate shell 503, the lifting plate shell 503 is fixedly connected to the first rotating shaft 504, the first rotating shaft 504 is provided with a first card slot, the rotating sleeve 404 is provided with a first card block, the first card block is located in the first card slot, the first card block and the rotating sleeve 404 are slidably connected, the first rotating shaft 504 passes through the rotating sleeve 404, and the first rotating shaft 504 and the rotating sleeve 404 are slidably connected.

[0028] Specifically, the first motor 401 is turned on, and the rotation of the output shaft of the first motor 401 drives the first gear 402 to rotate, and the rotation of the first gear 402 drives the second gear 403 to rotate, and then drives the rotating sleeve 404 to rotate, and the rotation of the rotating sleeve 404 drives the first clamping block to rotate, and then drives the first rotating shaft 504 to rotate.

[0029] The mounting frame mechanism 6 includes a mounting shell 601 fixed on the first rotating shaft 504, the mounting shell 601 is fixedly connected to two first mounting frames 602 and two second mounting frames 603, the two first mounting frames 602 are symmetrically arranged on the mounting shell 601, and the two second mounting frames 603 are symmetrically arranged on the mounting shell 601. The driving shaft mechanism 7 includes a second motor 701 fixed in the mounting shell 601, the output shaft of the second motor 701 is fixedly connected to the first bevel gear 702, the first bevel gear 702 meshes with four second bevel gears 703, the second bevel gear 703 is fixedly connected to the second rotating shaft 704, and the second rotating shaft 704 and the mounting shell 601 are rotatably connected. The first spacing adjustment mechanism 8 includes an adjustment threaded rod 801 rotatably connected to the first mounting frame 602, the adjustment threaded rod 801 is composed of two threaded rods with opposite rotation directions, a third motor 802 is provided on the first mounting frame 602, the output shaft of the third motor 802 is coaxially fixedly connected to the adjustment threaded rod 801, the adjustment threaded rod 801 is threadedly connected to two spacing adjustment frames 803, the spacing adjustment frames 803 are slidably connected to the first mounting frame 602, and the second spacing adjustment mechanism 9 has the same structure as the first spacing adjustment mechanism 8. The external cutting mechanism 10 includes a third rotating shaft 1001 rotatably connected to the spacing adjustment frame 803, the third rotating shaft 1001 is fixedly connected to the cutting blade 1002, the third rotating shaft 1001 is fixedly connected to the third bevel gear 1003, the third bevel gear 1003 meshes with the fourth bevel gear 1004, the fourth bevel gear 1004 is fixedly connected to the sliding sleeve 1005, the second rotating shaft 704 passes through the sliding sleeve 1005 and is slidably connected to the sliding sleeve 1005, the second rotating shaft 704 is provided with a second card slot, the sliding sleeve 1005 is provided with a second card block, the second card block is located in the second card slot, the second card block is slidably connected to the second rotating shaft 704, and the internal cutting mechanism 11 has the same structure as the external cutting mechanism 10.

[0030] Specifically, the second motor 701 is turned on, and the rotation of the output shaft of the second motor 701 drives the first bevel gear 702 to rotate, and the rotation of the first bevel gear 702 drives the second bevel gear 703 to rotate, and then drives the second rotating shaft 704 to rotate, and the rotation of the second rotating shaft 704 drives the sliding sleeve 1005 to rotate, and then drives the fourth bevel gear 1004 to rotate, and the rotation of the fourth bevel gear 1004 drives the third bevel gear 1003 to rotate, and the rotation of the third bevel gear 1003 drives the third rotating shaft 1001 to rotate, and the third rotating shaft 1004 drives the third bevel gear 1003 to rotate. 01 rotation will drive the cutting blade 1002 to rotate. At this time, the third motor 802 is turned on and rotated. The rotation of the third motor 802 will drive the adjusting threaded rod 801 to rotate, so as to realize the two spacing adjustment frames 803 to move closer, and then make the cutting blade 1002 move closer, so as to cut the outside of the workpiece. In addition, since the second spacing adjustment mechanism 9 and the first spacing adjustment mechanism 8 have the same structure, the internal cutting mechanism 11 and the external cutting mechanism 10 have the same structure, and the internal cutting mechanism 11 can feed and cut the inside of the workpiece.

[0031] The mounting base 1 is open.

[0032] Example 2, continue to refer to Figure 2 In an embodiment of the present invention, the clamping and fixing mechanism 12 includes a hydraulic push rod 1201 fixed on the mounting frame 3, the hydraulic push rod 1201 is fixedly connected to the moving plate 1202, the moving plate 1202 is fixedly connected to the moving rod 1203, the moving rod 1203 passes through the mounting frame 3 and is slidably connected to the mounting frame 3, and the moving rod 1203 is fixedly connected to the clamping arc plate 1204.

[0033] Specifically, turning on the hydraulic push rod 1201 can drive the moving plate 1202 to feed, and then drive the moving rod 1203 and the clamping arc plate 1204 to move and feed, so that the clamping arc plate 1204 rests against the workpiece.

[0034] During the implementation of the present invention, the entire device is first moved to the position of the workpiece to be cut by the roller mechanism 2. At this time, the clamping and fixing mechanism 12 is turned on to limit the device. At this time, the rotating shaft mechanism 5 is turned on to adjust the external cutting mechanism 10 and the internal cutting mechanism 11 to the specified processing height. At this time, the driving shaft mechanism 7 is turned on to drive the external cutting mechanism 10 and the internal cutting mechanism 11. At this time, the first spacing adjustment mechanism 8 is turned on to adjust the spacing between the two external cutting mechanisms 10, so as to cut the outside of the workpiece. At the same time, the second spacing adjustment mechanism 9 is turned on to adjust the spacing between the two internal cutting mechanisms 11, so as to cut the inside of the workpiece, so as to synchronously cut the outside and the outside of the workpiece. Then, the rotating sleeve mechanism 4 is turned on. The rotating sleeve mechanism 4 will drive the rotating shaft mechanism 5 and the mounting frame mechanism 6 to rotate, thereby driving the external cutting mechanism 10 and the internal cutting mechanism 11 to rotate, so as to realize rotary cutting of the workpiece.

[0035] The present invention can drive the rotating shaft mechanism 5 by setting a rotating sleeve mechanism 4, and the rotating shaft mechanism 5 can drive the external cutting mechanism 10 and the internal cutting mechanism 11 to rotate and change position, thereby increasing the cutting speed. The spacing between the two external cutting mechanisms 10 can be adjusted by the first spacing adjustment mechanism 8 to adapt to the cutting of workpieces with different outer diameters. The spacing between the two internal cutting mechanisms 11 can be adjusted by the second spacing adjustment mechanism 9 to adapt to the cutting of workpieces with different inner diameters. The entire device can be fixed by the clamping and fixing mechanism 12, thereby improving the efficiency of cutting during production, maintenance and repair of turbines.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A cutting device for turbine production and maintenance, comprising a mounting base, characterized in that: A roller mechanism is provided at the bottom of the mounting base, a mounting frame is provided on the mounting base, a rotating sleeve mechanism and a rotating shaft mechanism are provided on the mounting frame, the rotating shaft mechanism is connected to the mounting frame mechanism, the mounting frame mechanism is provided with a driving shaft mechanism, the mounting frame mechanism is provided with a first spacing adjustment mechanism and a second spacing adjustment mechanism, the first spacing adjustment mechanism is provided with two external cutting mechanisms, the second spacing adjustment mechanism is provided with two internal cutting mechanisms, the mounting frame is provided with two clamping and fixing mechanisms, and the two clamping and fixing mechanisms are symmetrically arranged on the mounting frame; the rotating sleeve mechanism is used to drive the rotating shaft mechanism, the driving shaft mechanism is used to drive the external cutting mechanism and the internal cutting mechanism, the first spacing adjustment mechanism is used to adjust the spacing of the two external cutting mechanisms, and the second spacing adjustment mechanism is used to adjust the spacing of the two internal cutting mechanisms; The rotating sleeve mechanism comprises a first motor fixed on a mounting frame, the output shaft of the first motor is fixedly connected to a first gear, the first gear meshes with a second gear, the second gear is fixedly connected to a rotating sleeve, and the rotating sleeve is rotatably connected to the mounting frame; The rotating shaft mechanism includes a linear motor fixed on a mounting frame, the top of the linear motor is fixedly connected to a lifting plate, the lifting plate is rotatably connected to a lifting plate shell, the lifting plate shell is fixedly connected to a first rotating shaft, a first slot is provided on the first rotating shaft, a first block is provided in a rotating sleeve, the first block is located in the first slot, the first block is slidably connected to the rotating sleeve, the first rotating shaft passes through the rotating sleeve, and the first rotating shaft and the rotating sleeve are slidably connected; The mounting frame mechanism comprises a mounting shell fixed on the first rotating shaft, the mounting shell fixedly connects two first mounting frames and two second mounting frames, the two first mounting frames are symmetrically arranged on the mounting shell, and the two second mounting frames are symmetrically arranged on the mounting shell; The drive shaft mechanism includes a second motor fixed in the mounting shell, the output shaft of the second motor is fixedly connected to the first bevel gear, the first bevel gear meshes with four second bevel gears, the second bevel gears are fixedly connected to the second rotating shaft, and the second rotating shaft is rotatably connected to the mounting shell; The first spacing adjustment mechanism includes an adjustment threaded rod rotatably connected to the first installation frame, the adjustment threaded rod is composed of two threaded rods with opposite rotation directions, a third motor is provided on the first installation frame, the output shaft of the third motor is coaxially fixedly connected to the adjustment threaded rod, the adjustment threaded rod is threadedly connected to the two spacing adjustment frames, the spacing adjustment frame is slidably connected to the first installation frame, and the second spacing adjustment mechanism has the same structure as the first spacing adjustment mechanism; The external cutting mechanism includes a third rotating shaft rotatably connected to the spacing adjustment frame, the third rotating shaft is fixedly connected to the cutting blade, the third rotating shaft is fixedly connected to the third bevel gear, the third bevel gear meshes with the fourth bevel gear, the fourth bevel gear is fixedly connected to the sliding sleeve, the second rotating shaft passes through the sliding sleeve and is slidably connected to the sliding sleeve, the second rotating shaft is provided with a second slot, the sliding sleeve is provided with a second block, the second block is located in the second slot, the second block is slidably connected to the second rotating shaft, and the internal cutting mechanism and the external cutting mechanism have the same structure.

2. The cutting device for turbine production and maintenance according to claim 1, characterized in that: The roller mechanism comprises a roller shaft rotatably connected to the mounting base, the roller shaft is fixedly connected to a roller seat, and the roller seat is rotatably connected to the roller.

3. The cutting device for turbine production and maintenance according to claim 1, characterized in that: The clamping and fixing mechanism includes a hydraulic push rod fixed on the mounting frame, the hydraulic push rod is fixedly connected to the moving plate, the moving plate is fixedly connected to the moving rod, the moving rod passes through the mounting frame and is slidably connected to the mounting frame, and the moving rod is fixedly connected to the clamping arc plate.

4. The cutting device for turbine production and maintenance according to claim 1, characterized in that: The mounting base is open.

Citation Information

Patent Citations

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