CN211783826U - Turbine rotor shimmy measuring device - Google Patents
Turbine rotor shimmy measuring device Download PDFInfo
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- CN211783826U CN211783826U CN202020407451.8U CN202020407451U CN211783826U CN 211783826 U CN211783826 U CN 211783826U CN 202020407451 U CN202020407451 U CN 202020407451U CN 211783826 U CN211783826 U CN 211783826U
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Abstract
The utility model provides a turbine rotor shimmy measuring device, which relates to the shimmy measuring field, and comprises a measuring rod, a cylinder, a fixed seat cover, an adjusting spring and a measuring meter, wherein the fixed seat cover can be directly arranged on a bearing cover of a turbine unit, and a sliding measuring rod can freely slide in a certain range; the adjusting sleeve can be used for stably mounting the measuring meter and tightly pressing the sliding spring in a matching manner with the barrel, so that the measuring rod can accurately reflect the rotor shimmy degree to the measuring meter visually. The utility model discloses the operation is installed and removed simple, the measurement accuracy is very practical, has improved equipment quality and reliable performance, has ensured the security again, and simple manufacture can satisfy steam turbine equipment management and detect needs moreover.
Description
Technical Field
The utility model relates to a shimmy measurement field, concretely relates to turbine rotor shimmy measuring device.
Background
The steam turbine generator unit is large-scale system equipment, has complex operation and power generation working conditions and high temperature, high pressure and high speed, and aims to detect whether the state of a steam turbine rotor shafting is good or not; whether an abnormal condition exists or not; whether a starting condition is met; analyzing the condition of the bearing and the complex vibration condition of the steam turbine; the sloshing degree of a turbine rotor is often measured according to the requirements of detecting the states of the moving and static parts in the turbine and the like. The rotor shaking degree measuring device of the existing turboset is not good in design and inaccurate in measurement, and the risk that the rotor falls, is collided and ground to influence safe operation also exists. In order to meet the management requirements of field equipment and make up for the defects of the equipment, a safe, reliable and accurate sloshing degree measuring device is elaborately designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a turbine rotor shimmy measuring device, which can realize that a measuring head and a measuring rod thereof automatically separate from a rotor after the measurement is finished by the action of an adjusting spring, thereby avoiding the grinding collision; the measuring head, the measuring rod and the measuring meter are matched, so that the swing vibration degree on the rotor can be effectively and accurately reflected to the measuring meter. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a turbine rotor shimmy measuring device, its characterized in that: the device comprises a measuring rod, a cylinder, a fixed seat sleeve, an adjusting spring and a measuring meter; wherein:
optionally or preferably, one end of the measuring rod is provided with a measuring head, and the other end of the measuring rod is connected with the measuring meter; the measuring rod is arranged inside the cylinder body and is connected with the cylinder body in a sliding mode.
Optionally or preferably, the cartridge is disposed within the fixed seat housing and is slidably connected to the fixed seat housing.
Optionally or preferably, the adjusting spring is arranged between the cylinder and the fixed seat sleeve, and one end of the spring is fixedly connected with the fixed seat sleeve.
Alternatively or preferably, the inner surface of the cylinder is provided with a step, and a sliding spring is arranged at the step.
Alternatively or preferably, a plurality of sliding bearings are arranged between the cylinder and the measuring rod, the outer surfaces of the sliding bearings are fixedly connected with the inner surface of the cylinder, and the inner surfaces of the sliding bearings are slidably connected with the measuring rod.
Alternatively or preferably, the sliding bearing comprises an L-shaped sliding bearing, and the L-shaped sliding bearing is disposed at one end of the large inner diameter of the cylinder.
Optionally or preferably, a boss is arranged on the outer surface of the cylinder body; the adjusting spring is arranged in the fixed seat sleeve, a step through hole is formed in the fixed seat sleeve, one end of the adjusting spring is fixedly connected with the step, and the other end of the adjusting spring is attached to one side of the boss on the cylinder body; an adjusting sleeve is arranged on the other side of the boss and is arranged between the barrel and the fixed seat sleeve.
Alternatively or preferably, the adjusting sleeve is slidably connected with the cylinder and the fixed sleeve.
Optionally or preferably, one end of the adjusting sleeve is provided with a threaded hole for passing through a meter adjusting screw; and a through hole for penetrating through the adjusting sleeve screw is formed in the outer surface of the fixed seat sleeve.
Based on the technical scheme, the following technical effects can be generated:
the embodiment of the utility model provides a pair of steam turbine rotor shimmy measuring device is applicable to the shimmy measurement of each model steam turbine rotor barring state and running state. The utility model relates to a turbine rotor shimmy measuring device installs on turbine unit's bearing cap upper portion, can carry out accurate measuring device to the staff shimmy degree at any time because of needs, has the function that the measurement finishes can break away from the staff voluntarily.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a turbine rotor shimmy measuring apparatus;
in the figure: 1-a measuring rod; 2-a sliding bearing; a 201-L shaped sliding bearing; 3-a cylinder body; 4-fixing the seat cover; 5-adjusting sleeve; 6-a sliding spring; 7-adjusting the spring; 8-a measuring meter; 9-adjusting the gauge screw; 10-adjusting the set screw; 11-measuring head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1:
the utility model provides a turbine rotor shimmy measuring device, which comprises a measuring rod 1, a cylinder 3, a fixed seat cover 4, an adjusting spring 7 and a measuring meter 8; one end of the measuring rod 1 is provided with a measuring head 11, the measuring head 11 is made of wear-resistant insulating composite materials, can prevent a steam turbine rotor from being damaged by abrasion and can prevent the shaft of the insulating rotor from being subjected to electric corrosion, and the other end of the measuring rod is connected with a measuring meter 8; the measuring rod 1 is arranged inside the cylinder 3 and is connected with the cylinder 3 in a sliding way; the cylinder 3 is arranged in the fixed seat sleeve 4 and is connected with the fixed seat sleeve 4 in a sliding way; the fixed seat sleeve 4 can be firmly screwed on the bearing cover; the adjusting spring 7 is arranged between the cylinder 3 and the fixed seat sleeve 4, and one end of the spring is fixedly connected with the fixed seat sleeve 4.
As an alternative embodiment, the inner surface of the cylinder 3 is provided with a step, and a sliding spring 6 is provided at the step.
As an alternative embodiment, a plurality of sliding bearings 2 are arranged between the cylinder 3 and the measuring rod 1, the outer surface of the sliding bearing 2 is fixedly connected with the inner surface of the cylinder 3, the inner surface of the sliding bearing 2 is slidably connected with the measuring rod 1, and the sliding rod can slide in a certain range.
As an alternative embodiment, the sliding bearing 2 includes an L-shaped sliding bearing 201, and the L-shaped sliding bearing 201 is disposed at one end of the large inner diameter of the cylinder 3.
As an alternative embodiment, the sliding bearing 2 is made of brass, and has a precise clearance fit with the measuring rod 1.
As an alternative embodiment, a boss is arranged on the outer surface of the cylinder 3; still include adjusting spring 7, be the step through-hole in the fixed seat cover 4 to adjusting spring 7 one end and step fixed connection, the other end pastes with boss one side on the barrel 3 mutually, and the boss can compress tightly adjusting spring 7.
As an alternative, the adjusting spring 7 can ensure that the axial center of the measuring rod 1 and the axial center of the cylinder 3 are always in the same horizontal position.
As an optional embodiment, the other side of the boss is provided with an adjusting sleeve 5, and the adjusting sleeve 5 is arranged between the cylinder 3 and the fixed seat sleeve 4; the adjusting sleeve 5 is connected with the cylinder 3 and the fixed seat sleeve 4 in a sliding way.
The utility model discloses an in the embodiment, a turbine rotor shimmy measuring device working process as follows: the fixed seat cover 4 is screwed and installed on a bearing cover, a measuring head 11 props against a turbine rotor, the shimmy degree of the rotor can be transmitted to a measuring rod 1 through the measuring head 11, the shimmy degree is displayed on a measuring meter 8, a meter adjusting screw 9 is screwed, the position of the measuring meter 8 relative to an adjusting sleeve 5 is fixed, the position of the adjusting sleeve 5 is adjusted, the measuring meter 8 props against the measuring rod 1, a sleeve adjusting screw 10 is pressed, the sleeve adjusting screw 10 presses the adjusting sleeve 5, the turbine is started, the data of the measuring meter 8 is recorded, the measuring is finished, the sleeve adjusting screw 10 is loosened, and the barrel 3 and all parts inside the barrel exit from the fixed seat cover 4 under the action of an adjusting spring 7, so that the purpose that the measuring head 11 is separated from the turbine rotor is achieved.
Claims (4)
1. The utility model provides a turbine rotor shimmy measuring device which characterized in that: comprises a measuring rod (1), a cylinder body (3), a fixed seat cover (4), an adjusting spring (7) and a measuring meter (8); wherein:
one end of the measuring rod (1) is provided with a measuring head (11), and the other end of the measuring rod is connected with a measuring meter (8); the measuring rod (1) is arranged inside the cylinder body (3) and is connected with the cylinder body (3) in a sliding manner; the cylinder body (3) is arranged in the fixed seat sleeve (4), and the cylinder body (3) is connected with the fixed seat sleeve (4) in a sliding manner; the adjusting spring (7) is arranged between the cylinder body (3) and the fixed seat sleeve (4), and one end of the spring is fixedly connected with the fixed seat sleeve (4).
2. The turbine rotor shimmy measuring device of claim 1, wherein: the inner surface of the cylinder body (3) is provided with steps, and the steps are provided with sliding springs (6); a plurality of sliding bearings (2) are arranged between the cylinder body (3) and the measuring rod (1), the outer surfaces of the sliding bearings (2) are fixedly connected with the inner surface of the cylinder body (3), and the inner surfaces of the sliding bearings (2) are slidably connected with the measuring rod (1); the sliding bearing (2) comprises an L-shaped sliding bearing (201), and the L-shaped sliding bearing (201) is arranged at one end of the large inner diameter of the cylinder body (3).
3. The turbine rotor shimmy measuring device of claim 1, wherein: a boss is arranged on the outer surface of the cylinder body (3); the adjustable barrel is characterized by further comprising an adjusting spring (7), a step through hole is formed in the fixed seat sleeve (4), one end of the adjusting spring (7) is fixedly connected with the step, and the other end of the adjusting spring is attached to one side of the boss on the barrel body (3); an adjusting sleeve (5) is arranged on the other side of the boss, and the adjusting sleeve (5) is arranged between the cylinder body (3) and the fixed seat sleeve (4); the adjusting sleeve (5) is connected with the cylinder body (3) and the fixed seat sleeve (4) in a sliding manner.
4. A turbine rotor shimmy measuring apparatus according to claim 3, wherein: one end of the adjusting sleeve (5) is provided with a threaded hole for penetrating through a meter adjusting screw (9); the outer surface of the fixed seat cover (4) is provided with a through hole through which a set screw (10) passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020407451.8U CN211783826U (en) | 2020-03-26 | 2020-03-26 | Turbine rotor shimmy measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020407451.8U CN211783826U (en) | 2020-03-26 | 2020-03-26 | Turbine rotor shimmy measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211783826U true CN211783826U (en) | 2020-10-27 |
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ID=72927272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020407451.8U Active CN211783826U (en) | 2020-03-26 | 2020-03-26 | Turbine rotor shimmy measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211783826U (en) |
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2020
- 2020-03-26 CN CN202020407451.8U patent/CN211783826U/en active Active
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