Abrasion-resistant high-pressure rotor of steam turbine

Abstract

The utility model belongs to the technical field of steam turbine rotors, and particularly relates to a wear-resistant high-pressure rotor of a steam turbine, which comprises a bottom plate, a support plate and a wear-resistant mechanism arranged on the bottom plate, the wear-resistant mechanism comprises a second electric push rod, and the top end of the second electric push rod is fixedly connected with an L-shaped moving plate. When the device is used, a wear-resisting plate is firstly placed under a steam turbine rotor, then a third electric push rod pushes a second clamping plate to move, the second clamping plate moves to make contact with the wear-resisting plate and clamps and fixes the wear-resisting plate, and the wear-resisting plate is placed under the steam turbine rotor. Then a second electric push rod pushes an L-shaped moving plate to move, the L-shaped moving plate moves on a sliding groove to drive a wear-resisting plate to move, the wear-resisting plate moves and makes contact with the steam turbine rotor, then a wear-resisting experiment is conducted on the rotor, manual detection is avoided, the labor intensity is reduced, and meanwhile the working efficiency is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steam turbine rotors, in particular to a wear-resistant high-pressure rotor of a steam turbine. Background Art

[0002] With the development of science and technology and the progress of society, the country has been promoting the development of high technology. In the field of steam turbines, there has always been a relatively difficult technical problem, that is, when testing the circumferential characteristics of the turbine rotor, the large size of the rotor makes it inconvenient to move.

[0003] At present, when inspecting the wear resistance of steam turbine rotors, they are usually polished manually. Long polishing time will increase labor intensity and greatly reduce efficiency.

[0004] In order to solve the above problems, in the existing public documents, CN109141902A is a steam turbine rotor, including a fuselage, a first sliding cavity symmetrically arranged in the fuselage, and a first cavity arranged in the fuselage, a sliding frame is provided in the first sliding cavity which can slide left and right, and first threaded holes are provided in the left and right end walls of the sliding frame, and a first threaded rod is installed with a thread in the first threaded hole, and two symmetrical first threaded rods are rotatably arranged in the outer end wall of the first sliding cavity away from one end, and are connected to the power of a first motor fixedly arranged in the inner end wall of the first sliding cavity near one end; the equipment of the present invention has a simple structure and is easy to operate. By adopting the same power source to drive the rotation of the rotor and the retraction and extension of the equipment roller, and providing a height adjustment device of the base during the switching process, the movement of the rotor and the circumferential performance test are realized, and the various processes cooperate with each other without affecting each other, thereby improving the practical performance of the device.

[0005] When the existing steam turbine rotor is inspected, the inspection object cannot be replaced, and the long inspection time will greatly affect the accuracy of the inspection. Therefore, a wear-resistant high-pressure rotor of a steam turbine is proposed to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a wear-resistant high-pressure rotor of a steam turbine, which rotates by driving a guide wheel through a rotating shaft. The guide wheel is divided into two groups, which press and transmit the aluminum single plate, solving the problem of lacking a measure for pressing and pushing, which reduces the accuracy of the slotting guide during the slotting process.

[0007] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0008] The utility model is a wear-resistant high-pressure rotor of a steam turbine, comprising a base plate, a support plate and a wear-resistant mechanism arranged on the base plate; the wear-resistant mechanism comprises a second electric push rod, the top end of the second electric push rod is fixedly connected to an L-shaped movable plate, one side of the L-shaped movable plate is slidably connected to the outer wall of the support plate, the outer wall of the L-shaped movable plate is fixedly connected to a third electric push rod, one end of the third electric push rod is fixedly connected to a second clamping plate, the outer wall of the second clamping plate is placed with a wear-resistant plate, and the end of the second electric push rod is connected to the top of the base plate.

[0009] The utility model is further configured as follows: a rotating mechanism is installed on one side of the support plate, and the rotating mechanism includes a motor, a power output end of the motor is fixedly connected to a rotating rod, one end of the rotating rod is fixedly connected to a first electric push rod, one end of the first electric push rod is fixedly connected to a first splint, and one side of the motor is connected to the outer wall of the support plate, the outer wall of the support plate is provided with a slide groove adapted to the L-shaped movable plate, and one end of the L-shaped movable plate extends into the slide groove, the wear-resistant plate is made of wear-resistant material, the power input ends of the second electric push rod and the third electric push rod are electrically connected to the power output end of an external power supply, the outer wall of the first splint is covered with a protective layer, and the power input ends of the motor and the first electric push rod are electrically connected to the power output end of the external power supply.

[0010] The utility model has the following beneficial effects:

[0011] When the utility model is used, the wear-resistant plate is first placed directly under the turbine rotor, and then the third electric push rod pushes the second clamping plate to move, and the second clamping plate moves to contact the wear-resistant plate and clamp the wear-resistant plate, and then the second electric push rod pushes the L-shaped movable plate to move, and the L-shaped movable plate drives the wear-resistant plate to move by moving on the slide groove, and the wear-resistant plate moves and contacts the turbine rotor, and then the rotor is subjected to a wear-resistant test, avoiding manual inspection, reducing labor intensity, and greatly improving work efficiency.

[0012] During the inspection of the steam turbine rotor, the utility model drives the first clamping plate to move, and the first clamping plate moves to contact the steam turbine rotor and clamp the steam turbine rotor. After being fixed, the motor drives the rotating rod to rotate, and the rotating rod drives the steam turbine rotor to rotate. The steam turbine rotor rotates and contacts the wear-resistant plate and performs grinding inspection, thereby comprehensively performing wear-resistant inspection on the steam turbine rotor and further improving work efficiency.

[0013] Of course, any product implementing the present invention does not necessarily need to achieve all of the above advantages at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 This is a schematic diagram of the overall structure of a wear-resistant high-pressure rotor of a steam turbine;

[0016] Figure 2 Schematic diagram of the rotating mechanism structure;

[0017] Figure 3 Schematic diagram of the working structure of the wear-resistant mechanism.

[0018] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0019] 1. Bottom plate; 2. Support plate; 201. Slide groove; 3. Rotation mechanism; 301. Motor; 302. Rotation rod; 303. First electric push rod; 304. First clamping plate; 4. Wear-resistant mechanism; 401. Second electric push rod; 402. L-shaped movable plate; 403. Third electric push rod; 404. Second clamping plate; 405. Wear-resistant plate. DETAILED DESCRIPTION

[0020] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention. Specific embodiment 1

[0022] See also Figure 1-3 The utility model is a wear-resistant high-pressure rotor for a steam turbine, comprising a base plate 1, a support plate 2 and a wear-resistant mechanism 4 arranged on the base plate 1;

[0023] The wear-resistant mechanism 4 includes a second electric push rod 401, the top of the second electric push rod 401 is fixedly connected to an L-shaped movable plate 402, one side of the L-shaped movable plate 402 is slidingly connected to the outer wall of the support plate 2, the outer wall of the L-shaped movable plate 402 is fixedly connected to a third electric push rod 403, one end of the third electric push rod 403 is fixedly connected to a second clamping plate 404, a wear-resistant plate 405 is placed on the outer wall of the second clamping plate 404, and the end of the second electric push rod 401 is connected to the top of the base plate 1.

[0024] Specifically, the outer wall of the support plate 2 is provided with a slide groove 201 adapted to the L-shaped movable plate 402, and one end of the L-shaped movable plate 402 extends into the slide groove 201;

[0025] The outer wall of the support plate 2 is provided with a sliding groove 201 adapted to the L-shaped movable plate 402 , so that the L-shaped movable plate 402 can be easily moved on the support plate 2 .

[0026] Specifically, the wear-resistant plate 405 is made of wear-resistant material;

[0027] Since the wear-resistant plate 405 is made of a wear-resistant material, the service life of the wear-resistant plate 405 can be increased.

[0028] Specifically, the power input terminals of the second electric push rod 401 and the third electric push rod 403 are electrically connected to the power output terminal of the external power supply;

[0029] The second electric push rod 401 and the third electric push rod 403 are powered by an external power supply.

[0030] The operating process of this embodiment is: when in use, first place the wear-resistant plate 405 directly under the turbine rotor, then the third electric push rod 403 pushes the second clamping plate 404 to move, the second clamping plate 404 moves to contact the wear-resistant plate 405 and clamps the wear-resistant plate 405, then the second electric push rod 401 pushes the L-shaped movable plate 402 to move, the L-shaped movable plate 402 drives the wear-resistant plate 405 to move by moving on the slide groove 201, the wear-resistant plate 405 moves and contacts the turbine rotor, and then the rotor is subjected to a wear-resistant test, avoiding manual inspection, reducing labor intensity, and greatly improving work efficiency. Specific embodiment 2

[0032] See also Figure 1 and Figure 2-3 On the basis of the first specific embodiment, a rotating mechanism 3 is installed on one side of the support plate 2, and the rotating mechanism 3 includes a motor 301. The power output end of the motor 301 is fixedly connected to a rotating rod 302, one end of the rotating rod 302 is fixedly connected to a first electric push rod 303, one end of the first electric push rod 303 is fixedly connected to a first clamping plate 304, and one side of the motor 301 is connected to the outer wall of the support plate 2.

[0033] Specifically, the outer wall of the first plywood 304 is covered with a protective layer;

[0034] The outer wall of the first clamping plate 304 is covered with a protective layer, which can prevent the first clamping plate 304 from damaging the turbine rotor.

[0035] Specifically, the power input terminals of the motor 301 and the first electric push rod 303 are electrically connected to the power output terminal of the external power supply;

[0036] The motor 301 and the first electric push rod 303 are powered by an external power supply.

[0037] The operating process of this embodiment is as follows: when inspecting the turbine rotor, the first electric push rod 303 pushes the first clamping plate 304 to move, and the first clamping plate 304 moves to contact the turbine rotor and clamp the turbine rotor. After fixation, the motor 301 drives the rotating rod 302 to rotate, and the rotating rod 302 drives the turbine rotor to rotate. The turbine rotor rotates and contacts the wear-resistant plate 405 and performs grinding inspection, thereby comprehensively performing wear-resistant inspection on the turbine rotor and further improving work efficiency.

[0038] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0039] The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments do not describe all details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and variations are possible based on the contents of this specification. These embodiments are selected and described in detail in this specification to better explain the principles and practical applications of the present invention, thereby enabling those skilled in the art to better understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A wear-resistant high-pressure rotor for a steam turbine, comprising a base plate (1), a support plate (2), and a wear-resistant mechanism (4) disposed on the base plate (1), characterized in that: The wear-resistant mechanism (4) comprises a second electric push rod (401), the top end of the second electric push rod (401) is fixedly connected to an L-shaped movable plate (402), one side of the L-shaped movable plate (402) is slidably connected to the outer wall of the support plate (2), the outer wall of the L-shaped movable plate (402) is fixedly connected to a third electric push rod (403), one end of the third electric push rod (403) is fixedly connected to a second clamping plate (404), a wear-resistant plate (405) is placed on the outer wall of the second clamping plate (404), and the end of the second electric push rod (401) is connected to the top of the base plate (1).

2. The wear-resistant high-pressure rotor of a steam turbine according to claim 1, characterized in that: A rotating mechanism (3) is installed on one side of the support plate (2), and the rotating mechanism (3) includes a motor (301), a power output end of the motor (301) is fixedly connected to a rotating rod (302), one end of the rotating rod (302) is fixedly connected to a first electric push rod (303), one end of the first electric push rod (303) is fixedly connected to a first clamping plate (304), and one side of the motor (301) is connected to the outer wall of the support plate (2).

3. The wear-resistant high-pressure rotor of a steam turbine according to claim 1, characterized in that: The outer wall of the support plate (2) is provided with a sliding groove (201) adapted to the L-shaped movable plate (402), and one end of the L-shaped movable plate (402) extends into the sliding groove (201).

4. The wear-resistant high-pressure rotor of a steam turbine according to claim 1, characterized in that: The wear-resistant plate (405) is made of wear-resistant material.

5. The wear-resistant high-pressure rotor of a steam turbine according to claim 1, characterized in that: The power input ends of the second electric push rod (401) and the third electric push rod (403) are electrically connected to the power output end of an external power supply.

6. The wear-resistant high-pressure rotor of a steam turbine according to claim 2, characterized in that: The outer wall of the first clamping plate (304) is covered with a protective layer.

7. The wear-resistant high-pressure rotor of a steam turbine according to claim 2, characterized in that: The power input ends of the motor (301) and the first electric push rod (303) are electrically connected to the power output end of an external power supply.

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