An installation and adjustment method for an air compressor

Abstract

The present invention discloses a method for installing and adjusting an air compressor, which specifically includes the following steps: ① Laying out a control network; ② Using a laser tracker to measure and record the positions of key equipment before demolition; ③ Establishing a coordinate system; ④ Demolishing the equipment to be replaced; ⑤ Installing other equipment, the driving-side coupling adapter and the driven-side coupling adapter, and performing rough adjustment; ⑥ Assembling the coupling offline; ⑦ Measuring the key data of the coupling; ⑧ Hoisting the assembled coupling as a whole and installing it between the driving-side coupling adapter and the driven-side coupling adapter, and fixing it. The purpose of the present invention is to provide a method for installing and adjusting an air compressor to solve problems such as abnormal operation caused by low installation accuracy of the air compressor, serious impact on the service life of the air compressor, and increased maintenance and repair costs.

Description

Technical Field

[0001] The present invention relates to a method for installing and adjusting an air compressor, which is used when installing and adjusting the air compressor. Its feature is that a laser tracker is used to cooperate in the installation and adjustment work of the air compressor, and a control network is used to record the position of the equipment before demolition. Taking the equipment before demolition as a reference, the installation work of the new equipment is guided, and the problem of the lack of a reference during the installation and maintenance process of the equipment is solved. Background Art

[0002] The correct installation of the air compressor is very important. Incorrect installation will cause the air compressor not to operate properly, seriously affect the service life of the air compressor, and also bring additional maintenance and repair costs.

[0003] Comparative Document 1: Method for Installing and Measuring the Stator of a Large-Size Hydrogenerator Based on Laser Tracking Technology

[0004] The present invention relates to a method for installing and measuring the stator of a large-size hydrogenerator based on laser tracking technology. It is applied to the field of precision installation and measurement of metal structures and components, and has played a great advantage especially in the installation of large-scale hydrogenerator sets. The present invention has been successfully applied in the stator installation work and achieved good results. Specific content and effects: A laser tracker is introduced, and the advantages of high measurement accuracy, fast speed, and simple operation within a short distance are fully utilized. Cooperating with an independently developed measurement program, automated measurement modes such as automated observation, automated data acquisition, and real-time data processing can be realized during the stator installation process, improving the operation efficiency, reducing the labor cost, simplifying the construction procedures and construction process, and advancing the traditional unit installation and measurement method one step towards industrial digitization, which has important significance in the field of unit installation and measurement. However, this method is not applicable to the installation and adjustment work of the air compressor.

[0005] Comparative Document 2: Method for Aligning the Center of the Static Parts of a Steam Turbine Using a Laser Tracker

[0006] Method for centering steam turbine stator components using a laser tracker, which relates to a method for centering steam turbine stator components. This method aims to solve the problems of poor versatility, cumbersome steps, and easy influence on assembly accuracy in the current methods of centering steam turbine stator components using a dummy shaft or wire. The method includes the following steps: Position the bearing boxes or process bearings at the electrical end and the adjustment end according to the center position of the steam turbine cylinder; Fix the laser tracker with a tripod and set it outside the bearing box or process bearing; Preheat the laser tracker, check the accuracy of the laser tracker using the API tracker calibration software, and start measuring; Establish a reference axis; Calculate the distances from each measurement point to the reference axis using the SA software; Compare the measured values with the initial design values. If the design requirements are not met, adjust the radial position of the stator components, and repeat steps two to five until the measured values meet the design requirements. This invention is used for centering steam turbine stator components. However, this method is not applicable to the installation and adjustment work of air compressors.

[0007] Comparative Document 3: Method for Measuring the Radial Flow Clearance of a Steam Turbine Using a Laser Tracking Measurement System

[0008] The present invention discloses a method for measuring the radial flow clearance of a steam turbine using a laser tracking measurement system, including: Step S10. Measure the radial relative position between the rotor and the cylinder under cold conditions of the cylinder; Step S20. Use a laser tracking measurement system to measure the rotor hub surfaces corresponding to the shaft seals and diaphragms by transferring stations; Fit the diameters and rotor sagittal arcs of the measured rotor hub surfaces respectively; Step S30. Use a laser tracking measurement system to measure the tooth tip coordinates of the diaphragms and shaft seal steam seal blocks at all levels in the cylinder and the outermost shaft seal hollows at the steam and excitation ends by transferring stations; Fit the outermost shaft seal hollows at the steam and excitation ends measured respectively, create the cylinder center line, and fit the distances from the tooth tips of the diaphragms and shaft seal steam seal blocks at all levels to the cylinder center line; Step S40. Use a laser tracking measurement system to fit the radial clearances of the actual diaphragm steam seals and shaft seal steam seals in the cylinder under cold conditions based on the measured relative position between the rotor and the cylinder and the data in Steps S20 and S30. Implementing the present invention improves the measurement accuracy. However, this method is not applicable to the installation and adjustment work of air compressors. Summary of the Invention

[0009] The object of the present invention is to provide a method for installing and adjusting an air compressor to solve problems such as abnormal operation caused by low installation accuracy of the air compressor, serious impact on the service life of the air compressor, and increased maintenance and repair costs.

[0010] To solve the above technical problems, the present invention adopts the following technical solutions:

[0011] A method for installing and adjusting an air compressor according to the present invention specifically includes the following steps:

[0012] ① Layout the control network: Paste more than 4 control points evenly on stable points;

[0013] ② Use a laser tracker to measure and record the positions of the key equipment before demolition: Select the column measurement mode to measure the outer cylindrical surfaces of the driving-side coupling adapter and the driven-side coupling adapter; Fit the axes and axis endpoints of the driving-side coupling adapter and the driven-side coupling adapter. The axis of the driving-side coupling adapter is the driving-side axis, and use the driving-side axis to fit the driving-side inner endpoint and the driving-side outer endpoint; The axis of the driven-side coupling adapter is the driven-side axis, and use the driven-side axis to fit the driven-side outer endpoint and the driven-side inner endpoint; Connect the driving-side outer endpoint and the driven-side outer endpoint as the center line; Use the station transfer function to measure and record the coordinate values of the control points arranged in step ①, and save this measurement file;

[0014] ③ Establish a coordinate system: The first element is the driving-side outer endpoint; The second element is the center line; The third element is the geoid;

[0015] ④ Demolish the equipment to be replaced: The equipment to be replaced includes the driving-side coupling adapter, the driven-side coupling adapter, other equipment, and the coupling;

[0016] ⑤ Install other equipment, the driving-side coupling adapter, and the driven-side coupling adapter, and perform rough adjustment; Use the measurement file in step ② to perform station transfer measurement, select the column measurement mode to measure the outer cylindrical surfaces of the newly installed driving-side coupling adapter and the driven-side coupling adapter; And fit the driving-side inner endpoint, the driving-side outer endpoint, the driven-side outer endpoint, and the driven-side inner endpoint; Select the surface measurement mode to measure surface a7 and surface b8 of the newly installed driving-side coupling adapter and the driven-side coupling adapter; Use the coordinate system established in step ③ to adjust so that the y and z coordinates of the four points of the driving-side inner endpoint, the driving-side outer endpoint, the driven-side outer endpoint, and the driven-side inner endpoint are all 0, and at the same time make surface a7 and surface b8 parallel and perpendicular to the geoid, and analyze the distance L1 between surface a7 and surface b8;

[0017] ⑥ Assemble the coupling offline;

[0018] ⑦ Measure the key data of the coupling. Select the surface measurement mode to measure the driving surface and the driven surface (6) of the newly assembled coupling. The measured distance between the driving surface and the driven surface is L2. Compare the measured values of L1 and L2 to make them meet the requirements of the drawing; Select the column measurement mode to measure the straightness of the axes of each part of the coupling and adjust it to meet the drawing level;

[0019] ⑧ Hoist and install the assembled coupling as a whole between the driving-side coupling adapter and the driven-side coupling adapter, and fix it.

[0020] Further, the number of control points is 10.

[0021] Compared with the prior art, the beneficial technical effects of the present invention:

[0022] The method of the present invention increases the service life of the air compressor and reduces the equipment maintenance and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below in conjunction with the drawings.

[0024] Figure 1 It is a schematic diagram of the overall structure of an air compressor installation and adjustment method;

[0025] Figure 2 It is a schematic diagram of the coupling assembly of an air compressor installation and adjustment method;

[0026] Figure 3 It is a schematic diagram of the coupling assembly from another angle of an air compressor installation and adjustment method;

[0027] Figure 4 It is a structure diagram of the coupling joint of an air compressor installation and adjustment method;

[0028] Figure 5 It is a structure diagram of the coupling joint from another angle of an air compressor installation and adjustment method;

[0029] Figure 6 It is a data analysis diagram of an air compressor installation and adjustment method;

[0030] Description of reference numerals: 1 - driving side coupling joint, 2 - driven side coupling joint, 3 - other equipment, 4 - coupling, 5 - driving side surface, 6 - driven side surface, 7 - surface a, 8 - surface b, 9 - outer end point of the driven side, 10 - inner end point of the driven side, 11 - inner end point of the driving side, 12 - outer end point of the driving side, 13 - axis of the driven side, 14 - center line, 15 - axis of the driving side. DETAILED DESCRIPTION OF THE INVENTION

[0031] The implementation of the technical solution will be further described in detail below in conjunction with the drawings, in order to more clearly explain its structure and working principle.

[0032] As shown in FIGS. Figure 1 , 2 , 3, 4, 5, 6, the present invention is an air compressor installation and adjustment method, and the specific implementation of this embodiment includes the following implementation steps:

[0033] ① Laying out the control network: More than 4 control points, preferably 10 control points, are evenly pasted on the stable points.

[0034] ② Use a laser tracker to measure and record the positions of the key equipment before demolition: Select the column measurement mode to measure the outer cylindrical surfaces of the driving-side coupling adapter 1 and the driven-side coupling adapter 2. Fit the axes and axis endpoints of the driving-side coupling adapter 1 and the driven-side coupling adapter 2. The axis of the driving-side coupling adapter 1 is the driving-side axis 15, and use the driving-side axis 15 to fit the driving-side inner endpoint 11 and the driving-side outer endpoint 12; the axis of the driven-side coupling adapter 2 is the driven-side axis 13, and use the driven-side axis 13 to fit the driven-side outer endpoint 9 and the driven-side inner endpoint 10; Connect the driving-side outer endpoint 12 and the driven-side outer endpoint 9 as the center line 14; Use the station transfer function to measure and record the coordinate values of the control points laid out in step ①, and save this measurement file;

[0035] ③ Establish a coordinate system: The first element is the driving-side outer endpoint 12; the second element is the center line 14; the third element is the geoid;

[0036] ④ Demolish the equipment to be replaced: The equipment to be replaced includes the driving-side coupling adapter 1, the driven-side coupling adapter 2, other equipment 3, and the coupling 4, or several of them;

[0037] ⑤ Install other equipment 3, the driving-side coupling adapter 1, and the driven-side coupling adapter 2, and perform a rough adjustment; Use the measurement file in step ② to perform a station transfer measurement. Select the column measurement mode to measure the outer cylindrical surfaces of the newly installed driving-side coupling adapter 1 and the driven-side coupling adapter 2. And fit the driving-side inner endpoint 11, the driving-side outer endpoint 12, the driven-side outer endpoint 9, and the driven-side inner endpoint 10; Select the surface measurement mode to measure the surface a7 and surface b8 of the newly installed driving-side coupling adapter 1 and the driven-side coupling adapter 2; Use the coordinate system established in step ③ to adjust so that the y and z coordinates of the four points of the driving-side inner endpoint 11, the driving-side outer endpoint 12, the driven-side outer endpoint 9, and the driven-side inner endpoint 10 are all 0, and at the same time make the surface a7 and surface b8 parallel and perpendicular to the geoid, and analyze the distance L1 between the surface a7 and surface b8;

[0038] ⑥ If Figure 2 、 Figure 3 Assemble the coupling 4 offline in the following way;

[0039] ⑦ Measure the key data of the coupling 4. Select the surface measurement mode to measure the driving surface 5 and the driven surface 6 of the newly assembled coupling 4. The measured distance between the driving surface 5 and the driven surface 6 is L2. Compare the measured values of L1 and L2 to make them meet the drawing requirements; Select the column measurement mode to measure the straightness of the axes of each part of the coupling 4 and adjust it to meet the drawing level;

[0040] ⑧ Hoist and install the assembled coupling 4 as a whole between the driving-side coupling adapter 1 and the driven-side coupling adapter 2, and fix it.

[0041] The embodiments described above are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. An air compressor installation and adjustment method, characterized in that, Specifically, it includes the following steps: ①Laying out the control network: evenly paste more than 4 control points on the stable points; ②Using a laser tracker to measure and record the positions of key equipment before demolition: select the column measurement mode to measure the cylindrical outer surfaces of the driving side coupling adapter (1) and the driven side coupling adapter (2); Fitting out the axes and axis endpoints of the driving side coupling adapter (1) and the driven side coupling adapter (2), the axis of the driving side coupling adapter (1) is the driving side axis (15), and using the driving side axis (15) to fit out the driving side inner endpoint (11) and the driving side outer endpoint (12); the axis of the driven side coupling adapter (2) is the driven side axis (13), and using the driven side axis (13) to fit out the driven side outer endpoint (9) and the driven side inner endpoint (10); connecting the driving side outer endpoint (12) and the driven side outer endpoint (9) as the center line (14); using the station transfer function to measure and record the coordinate values of the control points laid out in step ①, and save this measurement file; ③Establishing a coordinate system: The first element is the driving side outer endpoint (12); the second element is the center line (14); the third element is the geoid; ④Demolishing the equipment to be replaced: The equipment to be replaced includes the driving side coupling adapter (1), the driven side coupling adapter (2), other equipment (3) and the coupling (4); ⑤Installing other equipment (3), the driving side coupling adapter (1) and the driven side coupling adapter (2), and performing rough adjustment; using the measurement file in step ②, performing station transfer measurement, and selecting the column measurement mode to measure the cylindrical outer surfaces of the newly installed driving side coupling adapter (1) and the driven side coupling adapter (2); And fitting out the driving side inner endpoint (11), the driving side outer endpoint (12), the driven side outer endpoint (9) and the driven side inner endpoint (10); selecting the surface measurement mode to measure surface a (7) of the newly installed driving side coupling adapter (1) and surface b (8) of the driven side coupling adapter (2); using the coordinate system established in step ③ to adjust so that the y and z coordinates of the four points of the driving side inner endpoint (11), the driving side outer endpoint (12), the driven side outer endpoint (9) and the driven side inner endpoint (10) are all 0, and at the same time making surface a (7) and surface b (8) parallel and perpendicular to the geoid at the same time, and analyzing the distance L1 between surface a (7) and surface b (8); ⑥Assembling the coupling (4) offline; ⑦Measuring the key data of the coupling (4), selecting the surface measurement mode to measure the driving side surface (5) and the driven side surface (6) of the newly assembled coupling (4), measuring the distance between the driving side surface (5) and the driven side surface (6) as L2, comparing the measured values of L1 and L2 to make it meet the drawing requirements; selecting the column measurement mode to measure the straightness of the axes of each part of the coupling (4), and adjusting it to meet the drawing level; ⑧Hoisting and installing the assembled coupling (4) as a whole between the driving side coupling adapter (1) and the driven side coupling adapter (2), and fixing it.

2. The air compressor installation and adjustment method according to claim 1, characterized in that The number of control points is 10.

Images