Target gun measuring head positioning device for laser measurement
By designing a target gun probe positioning device that includes elastic pads and a fixed structure, the problem of inaccurate positioning of the target gun ball probe inside the steam turbine was solved, achieving high-precision measurement in confined and dimly lit environments and improving maintenance efficiency.
Patent Information
- Application Number
- CN202422787334.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-15
AI Technical Summary
In full cylinder operation, the target gun ball probe cannot be accurately placed at the turbine tooth tip, resulting in decreased measurement accuracy. Existing technology is difficult and time-consuming to operate.
Design a positioning device including an elastic gasket, a gasket fixing bolt, a fixing sleeve, a sleeve fixing bolt, a target gun probe, and a target gun probe head. Utilize the elasticity of the elastic gasket and the fixing structure to easily position the target gun probe head on the tooth tip and align it with the laser tracker.
In confined spaces and dimly lit environments, the target gun probe can be precisely positioned to reduce measurement errors and improve measurement accuracy and maintenance efficiency.
Smart Images
Figure CN223580928U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a turbine overhauling technical field, especially a target gun measuring head positioning device for laser measurement. BACKGROUND
[0002] The turbine is the key equipment of the power plant, and the turbine overhauling is the important work in the power plant overhauling, has the important influence to the safety production and overhauling period of the power plant, wherein, make every dynamic static clearance of the turbine reach the best state, has the very important meaning to the stability and thermal efficiency of the unit promotion, under the "full cylinder" state, along with the screw fastening, the metal cylinder body can produce the deformation, lead to the change of the original clearance, cannot reach the set value, influence the unit efficiency.
[0003] In the prior art, in the face of this situation, only the tooth tip can be pasted with adhesive tape, the rotor can be smeared with red paint, and the "full cylinder" can be used to rotate the rotor, and the cylinder can be repeatedly opened to repair and scrape the size of the gas blocking piece and adjust the steam seal gap, so that the full cylinder clearance meets the standard, the cycle is long, and manpower is consumed. The target gun is an important part of laser measurement, the measuring head is a sphere, the highest point of the sphere needs to be placed at the tooth tip position, the head of the target gun is aligned with the laser tracker, the data signal is sent, and the laser tracker can accurately measure the size. UTILITY MODEL CONTENTS
[0004] The utility model discloses a target gun measuring head positioning device for laser measurement, can solve the problem that the highest point of the target gun ball measuring head cannot be accurately placed at the tooth tip position when measuring the honeycomb steam seal, dense tooth steam seal and inclined tooth steam seal in the "full cylinder" state of the large turbine, and the measuring accuracy is reduced.
[0005] To achieve the above object, the utility model provides the following technical scheme: a target gun measuring head positioning device for laser measurement, which comprises an elastic gasket, a gasket fixing bolt, a fixing hoop, a hoop fixing bolt, a target gun measuring rod and a target gun measuring head.
[0006] Preferably, the elastic gasket is designed in a curved shape and has a certain elasticity during use.
[0007] Preferably, the elastic gasket is provided with a measuring head fixing ring.
[0008] Preferably, the elastic gasket can easily position the target gun measuring head on the above several types of tooth tips, easily aim at the laser tracker, and transmit the measurement data signal.
[0009] Compared with the prior art, the utility model has the beneficial effects that:
[0010] 1、The target gun measuring head positioning device for laser measurement, the elastic gasket can easily position the target gun measuring head on the above several types of tooth tips, easily aim at the laser tracker, and transmit the measurement data signal, can be placed in the dim environment under the limited space of the full cylinder state after the cylinder connecting screw rod is fastened, and the highest point of the target gun measuring head is easily placed on the highest point of the tooth tip when measuring the honeycomb steam seal, dense tooth steam seal and helical tooth steam seal, and the gasket is standard thickness, and the thickness only needs to be subtracted when calculating data in the later period, the target gun measuring head can easily aim at the laser tracker and send the measurement data signal, reduces the measurement error, accurately adjusts the gap of the honeycomb steam seal, dense tooth steam seal and helical tooth steam seal, makes the full cylinder reach the standard, and improves the maintenance efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0011] The utility model will be further described below in combination with the drawings and embodiments:
[0012] Figure 1 It is whole structure schematic diagram of the utility model for a kind of target gun measuring head positioning device for laser measurement.
[0013] Reference signs:1, elastic gasket;2, gasket fixing bolt;3, fixed hoop;4, hoop fixing bolt;5, target gun measuring rod;6, target gun measuring head;7, measuring head fixing ring. DETAILED DESCRIPTION
[0014] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0015] In the description of the utility model, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right and the like, is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, so it cannot be understood as the limitation of the utility model.
[0016] In the description of the utility model, greater than, less than, exceed and the like are understood as not including the number, above, below, within and the like are understood as including the number.If there is a description to the first, second is only used for distinguishing technical features for the purpose, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the order of indicated technical features.
[0017] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the skilled person in the art can reasonably determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.
[0018] Please refer to Figure 1 The utility model provides a kind of technical scheme: a target gun measuring head positioning device for laser measurement, including elastic gasket 1, gasket fixing bolt 2, fixed hoop 3, hoop fixing bolt 4, target gun measuring rod 5, target gun measuring head 6, elastic gasket 1 uses curve type design, there is certain elasticity in use process, elastic gasket 1 is fixed on fixed hoop 3 using gasket fixing bolt 2, and hoop fixing bolt 4 is fixed on target gun measuring rod 5 using fixed hoop 3, and target gun measuring head 6 is positioned on the several kinds of tooth tips of elastic gasket 1, and it is easy to aim laser tracker, transmission measurement data signal.
[0019] The target gun measuring head positioning device for laser measurement is used, staff first installs fixed hoop 3 to target gun measuring rod 5 and makes hoop fixing bolt 4 fixed, then installs elastic gasket 1 to fixed hoop 3 using gasket fixing bolt 2 fixed.Finally, install measuring head fixing ring 7 to elastic gasket, and elastic gasket 1 can easily position target gun measuring head 6 on the several kinds of tooth tips, and it is easy to aim laser tracker, transmission measurement data signal, can be after the fastening of cylinder body connecting screw rod, in limited space under full cylinder state, in dim environment, when measuring honeycomb steam seal, dense tooth steam seal, helical tooth steam seal, the highest point of target gun measuring head 6 is easily placed in tooth tip highest point, and pad block is standard thickness, when calculating data in later period, only need to subtract the thickness, target gun measuring head 6 can easily aim laser tracker and send measurement data signal, reduce measurement error, accurately adjust honeycomb steam seal, dense tooth steam seal, helical tooth steam seal gap, make full cylinder reach standard, improve overhaul efficiency.
[0020] Working principle: the target gun measuring head positioning device for laser measurement, the worker first installs the fixed sleeve 3 to the target gun measuring rod 5 and makes the sleeve fixed bolt 4 fixed, then installs the elastic gasket 1 to the fixed sleeve 3 and uses the gasket fixed bolt 2 to fix.Finally, install the measuring head fixing ring 7 to the elastic gasket, and the elastic gasket 1 can easily position the target gun measuring head 6 on the tooth tip, easily aim at the laser tracker, transmit the measurement data signal, and can be used in the full cylinder state limited space under the cylinder connecting screw rod fastening, in the dim environment, when measuring the honeycomb steam seal, dense tooth steam seal and helical tooth steam seal, the highest point of the target gun measuring head 6 is easily placed on the highest point of the tooth tip, the target gun measuring head 6 can easily aim at the laser tracker to send the measurement data signal, and the measurement error is reduced.
[0021] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A target gun probe positioning device for laser measurement, comprising an elastic gasket (1), a gasket fixing bolt (2), a fixing sleeve (3), a sleeve fixing bolt (4), a target gun probe rod (5), and a target gun probe head (6), characterized in that: The elastic gasket (1) is fixed on the fixed hoop (3) by a gasket fixing bolt (2), and the fixed hoop (3) is fixed on the target gun measuring rod (5) by a hoop fixing bolt (4).
2. A target gun probe positioning device for laser measurement according to claim 1, characterized in that: The elastic gasket (1) is designed in a curve shape and has certain elasticity during use.
3. A target gun probe positioning device for laser measurement according to claim 1, characterized in that: A measuring head fixing ring (7) is arranged on the elastic gasket (1).
4. A target gun probe positioning device for laser measurement according to claim 1, characterized in that: The elastic gasket (1) can easily position the target gun measuring head (6) on the tooth tip, easily aim at the laser tracker, and transmit the measurement data signal.