CN116100255A - A high-precision wind power planetary frame processing technology - Google Patents

Abstract

The invention discloses a high-precision wind power planet carrier processing technology, which relates to the technical field of wind power planet carrier processing, and comprises the steps of firstly placing a planet carrier into a first positioning mechanism in an upward posture of a first side plate where an outer sleeve end is positioned, and carrying out rough machining by utilizing the surfaces of a pair of outer sleeve ends of a machine tool and the top surfaces of stand columns; placing the planet carrier into a second positioning mechanism in a downward posture of the first side plate, and rough machining the bottom surface of the upright post by using a second machine tool; placing the planet carrier in a vertical posture of the first side plate into a positioning mechanism III, and performing rough machining on the inner walls of the side shaft holes and the central shaft opening by utilizing a machine tool III; according to the invention, through changing the clamping gaps and the positions of the clamps, the position and the posture of the planet carrier are adjusted more accurately at multiple angles, and when the product is subjected to repeated clamping and positioning operation, the parameters such as flatness, position degree, verticality and the like are detected in real time, and are adjusted in real time, so that the accuracy of the clamping and limiting operation is effectively improved.

Description

A high-precision wind power planetary frame processing technology

technical field

The invention relates to the technical field of wind power planetary frame processing, in particular to a high-precision wind power planetary frame processing technology.

Background technique

The planet carrier is an important part of the wind turbine, and its quality directly affects the service life of the entire generator. Most of the existing planetary frames are frame structures that are integrally cast by castings. The shrinkage resistance in the vertical direction is large, and the amount of shrinkage is difficult to control; shrinkage stress is generated due to hindered shrinkage during shrinkage, which easily leads to cracks; it is not allowed in key areas after production molding welding repair. Therefore, it is of great significance to improve the dimensional accuracy of the planet carrier in the process of processing to improve the quality of the finished product of the planet carrier.

Contents of the invention

The purpose of the present invention is to provide a high-precision wind power planetary carrier processing technology to solve the problems raised in the above-mentioned background technology.

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

A high-precision wind power planetary frame processing technology, comprising the following steps,

Step 1: Put the planetary carrier into the positioning mechanism 1 with the first side plate where the jacket end is located upwards, and use the machine tool to perform rough machining on the surface of the pair of jacket ends and the top surface of the column;

Step 2: Put the planet carrier into the positioning mechanism 2 with the first side plate facing down, and use the bottom surface of the second pair of columns of the machine tool for rough machining;

Step 3: Put the planetary carrier into the positioning mechanism 3 with the vertical position of the first side plate, and use the inner wall of the three pairs of side shaft holes and the center shaft port of the machine tool to perform rough machining;

Step 4: Put the planet carrier into the positioning mechanism 4 with the first side plate facing upwards, and use the machine tool to perform rough machining on the sides of the four pairs of columns;

Step 5: Put the planet carrier into the positioning mechanism 5 with the vertical position of the first side plate, and use the machine tool to finish the inner walls of the 5 pairs of side shaft holes and the center shaft opening;

Step 6: Put the planet carrier into the positioning mechanism 6 with the attitude of the first side plate upward, and use the machine tool 6 to finish the surface of the jacket end and the top surface of the column;

Step 7: Put the planet carrier into the positioning mechanism 7 with the first side plate facing down, and use the machine tool 7 to finish the bottom surface of the column.

As a further solution of the present invention: in step 1, the positioning mechanism clamps the second side plate through several bottom positioning clips to realize the positioning of the planetary carrier, and the meter is leveled so that the beating of the top surface of the column is controlled within 2MM. The runout of the outer circle of the edge of the first side plate is within 1MM.

As a further solution of the present invention: in step 2, the positioning mechanism 2 extends into the outer jacket end through the center limit rod to limit its position, and contacts several upright columns through several supporting fixtures to realize the positioning of the first side plate The support realizes the limit of the planet carrier, and the gap between several supporting fixtures and the first side plate is controlled within 0.02MM.

As a further solution of the present invention: in step 3, the positioning mechanism 3 clamps and limits the first side plate and the second side plate respectively through several side plate clamps arranged on the support frame, and uses the column clamps to clamp and limit the position of the column. Clamp and limit, the gap between the side plate clamp and the contact part of the planet carrier is controlled within 0.02MM, the center straightness of the side shaft hole of the meter is run out within 1MM, and the position of the central shaft hole is within 0.3MM.

As a further solution of the present invention: in step 4, the positioning mechanism 3 supports and contacts several upright columns through several support plates, and performs limit support on several side shaft holes through several shaft hole positioning fixtures; the top of the upright column The flatness of the surface is within 0.05MM, and the straightness of the central straightness of the shaft hole on the side of the table is within 1MM.

As a further solution of the present invention: in step 5, the structure of the positioning mechanism 4 of the positioning mechanism 5 is consistent, and the flatness of the bottom surface of each column is adjusted within 0.05MM when positioning and clamping, and the center straightness of the side shaft hole of the table is beating within 0.05mm Within MM, cylindricity 0.012MM, position degree 0.08MM, concentricity 0.025MM, verticality 0.04MM.

As a further solution of the present invention: in step 6, the structure of the positioning mechanism 6 is consistent with that of the positioning mechanism 1, the runout of the top surface of the meter leveling column is controlled within 0.05MM, and the outer circle runout of the edge of the first side plate of the watchmaker is within 0.1MM Within; the concentricity of the jacket end is 0.04MM, the cylindricity is 0.03MM, and the center straightness beating is 0.04MM.

As a further solution of the present invention: in step 7, the positioning mechanism 7 supports the top surfaces of several columns through the supporting fixtures to realize the limit of the planet carrier, and the gap between the supporting fixtures and the columns is controlled within 0.02MM. , The runout of the outer circle of the first side plate of the table is within 0.1MM: the flatness runout of the top surface of the column is within 0.04MM, the cylindricity of the central shaft port is 0.03MM, and the concentricity is 0.04MM.

Compared with the prior art, the beneficial effect of the present invention is that the present invention sets several positioning mechanisms to limit and fix the planetary carrier with different positioning postures, so as to adapt to the processing operation needs of different machine tools for different positions of the planetary frame , the positioning mechanism of the present application is in progress, and the support and fixation of the planet carrier is realized through the spacing of several different positions and multiple points, so as to improve the limit stability of the planet carrier. And position changes, to achieve more angles and more precise adjustments to the position and attitude of the planetary carrier. When the product is in repeated clamping and positioning operations, real-time detection of parameters such as flatness, position, and verticality are performed in real time, and carried out. Real-time adjustment effectively improves the accuracy of the clamping limit operation.

Description of drawings

Fig. 1 is a process flow diagram of the present invention;

Fig. 2 is a schematic diagram of the state of the planetary carrier in Step 1 of the present invention;

Fig. 3 is a schematic diagram of the state of the planet carrier in step 2 of the present invention;

Fig. 4 is a schematic diagram of the state of the planetary carrier in Step 3 of the present invention;

Fig. 5 is a schematic diagram of the state of the planetary carrier in Step 4 of the present invention;

Fig. 6 is a schematic diagram of the state of the planetary carrier in Step 7 of the present invention.

In the figure: 1, the first side plate; 2, the second side plate; 3, the outer jacket end; 4, the column; 401, the top surface of the column; 402, the side of the column; 403, the bottom surface of the column; 5, the side shaft hole; 6 , central shaft port; 7, bottom positioning clamp; 8, center limit rod; 9, support fixture; 10, support frame; 11, side plate fixture; 12, column fixture; 13, support plate; 14, shaft hole Positioning fixture; 15. Supporting fixture.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Fig. 1-Fig. 6, in the embodiment of the present invention, a high-precision wind power planetary carrier processing process includes the following steps, firstly, the planetary carrier is placed into the positioning mechanism with the first side plate 1 where the outer casing end 3 is located upwards 1. Use the machine tool to perform rough machining on the surface of the pair of jacket ends 3 and the top surface of the column; the positioning mechanism 1 clamps the second side plate 2 through several bottom positioning clips 7 to realize the positioning of the planetary carrier, and the table is leveled Control the beating of the top surface 401 of the column within 2MM, and the beating of the outer circle of the edge of the first side plate 1 within 1MM;

Then the planet carrier is inserted into the positioning mechanism two with the downward attitude of the first side plate 1, and the bottom surface of the two pairs of columns of the machine tool is used to carry out rough machining; Position, through several supporting fixtures 9 to contact several columns to realize the support of the first side plate 1, to realize the limit of the planet carrier, the gap between several supporting fixtures 9 and the first side plate 1 is controlled at 0.02 Within MM; then put the planet carrier into the positioning mechanism 3 with the vertical position of the first side plate 1, and use the machine tool 3 to perform rough machining on the inner wall of the side shaft hole 5 and the central shaft port 6; the positioning mechanism 3 is set on the support Several side plate clamps 11 on the frame 10 respectively clamp and limit the first side plate 1 and the second side plate 2, and clamp and limit the column through the column clamp 12, and the side plate clamps 11 are in contact with the planet carrier The gap between the parts is controlled within 0.02MM, the center straightness of the side shaft hole 5 is within 1MM, and the position of the central shaft hole is within 0.3MM; then the planet carrier is placed with the first side plate 1 upward Enter the positioning mechanism 4, use the four pairs of column sides 402 of the machine tool to carry out rough machining; the positioning mechanism 3 supports and contacts several columns through several support plates 13, and carries out several side shaft holes 5 through several shaft hole positioning fixtures 14. Limit support; the flatness of the top surface of the column is within 0.05MM, and the straightness of the center of the shaft hole 5 on the side of the watch is run out within 1MM;

Then put the planet carrier into the positioning mechanism 5 with the vertical position of the first side plate 1, and use the machine tool 5 to finish the inner wall of the side shaft hole 5 and the central shaft port 6; the structure of the positioning mechanism 4 of the positioning mechanism 5 is consistent. When positioning and clamping, adjust the flatness of the bottom surface 403 of each column within 0.05MM, the center straightness of the side shaft hole 5 on the side of the table runs within 0.05MM, the cylindricity 0.012MM, the position degree 0.08MM, the concentricity 0.025MM, the vertical The degree is 0.04MM; the planet carrier is placed into the positioning mechanism 6 with the first side plate 1 facing upwards, and the surface of the jacket end 3 and the top surface of the column are finished using the machine tool 6; the structure of the positioning mechanism 6 is consistent with that of the positioning mechanism 1. The runout of the top surface 401 of the metering and leveling column is controlled within 0.05MM, the outer circle runout of the first side plate 1 edge of the metering is within 0.1MM; the concentricity of the 3 parts of the jacket end is 0.04MM, the cylindricity is 0.03MM, and the center straightness Jump 0.04MM; put the planet carrier into the positioning mechanism 7 with the first side plate 1 facing down, and use the machine tool 7 to finish the bottom surface of the column; Support, to realize the limit of the planet carrier, control the gap between each supporting fixture 15 and the column within 0.02MM, and control the outer circle runout of the first side plate 1 within 0.1MM: the flatness runout of the column top surface 401 is within 0.02MM. Within 0.04MM, the cylindricity of the central shaft port 6 is 0.03MM, and the concentricity is 0.04MM.

The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any form. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Anyone skilled in the art , without departing from the scope of the technical solution of the present invention, when the technical content disclosed above can be used to make some changes or be modified into equivalent embodiments with equivalent changes, but as long as it does not depart from the technical solution of the present invention, the technical content of the present invention In essence, any simple modifications, equivalent changes and modifications made to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims (8)

1. A high-precision wind power planetary carrier processing technology is characterized in that, comprising the following steps: Step 1: Put the planetary carrier into the positioning mechanism 1 with the first side plate (1) where the outer casing end (3) is located upwards, and use the machine tool to perform rough machining on the surface of the pair of outer casing ends (3) and the top surface of the column; Step 2: Put the planet carrier into the positioning mechanism 2 with the first side plate (1) facing down, and use the bottom surface of the second pair of columns of the machine tool to perform rough machining; Step 3: Put the planetary carrier into the positioning mechanism 3 with the vertical position of the first side plate (1), and use the inner walls of the three pairs of side shaft holes (5) and the center shaft port (6) of the machine tool to perform rough machining; Step 4: Put the planet carrier into the positioning mechanism 4 with the first side plate (1) facing upwards, and use the four pairs of column sides (402) of the machine tool for rough machining; Step 5: Put the planet carrier into the positioning mechanism 5 with the first side plate (1) vertically placed, and use the inner walls of the five pairs of side shaft holes (5) and the center shaft port (6) of the machine tool to finish machining; Step 6: Put the planet carrier into the positioning mechanism 6 with the first side plate (1) facing upwards, and use the machine tool 6 to finish the surface of the jacket end (3) and the top surface of the column; Step 7: Put the planet carrier into the positioning mechanism 7 with the first side plate (1) facing down, and use the machine tool 7 to finish the bottom surface of the column. 2. A kind of high-precision wind power planetary carrier processing technology according to claim 1, characterized in that, in step 1, the positioning mechanism 1 clamps the second side plate (2) through several bottom positioning clamps (7) Keep realizing the positioning of the planetary carrier, make a meter leveling so that the runout of the top surface of the column (401) is controlled within 2MM, and the runout of the outer circle of the edge of the first side plate (1) is within 1MM. 3. A kind of high-precision wind power planetary carrier processing technology according to claim 1, characterized in that, in step 2, the positioning mechanism 2 extends into the outer sleeve end (3) through the center limit rod (8) to carry out the process. Limiting, contacting several uprights through several supporting fixtures (9) to support the first side plate (1), and realizing limiting the planet carrier, several supporting fixtures (9) and the first side The gap between the plates (1) is controlled within 0.02MM. 4. A kind of high-precision wind power planetary carrier processing technology according to claim 1, characterized in that, in step three, the positioning mechanism three uses several side plate clamps (11) arranged on the support frame (10) for The first side plate (1) and the second side plate (2) are respectively clamped and limited, and the column is clamped and limited by the column clamp (12). The gap between the side plate clamp (11) and the contact part of the planet carrier Control within 0.02MM, the central straightness of the table-making side shaft hole (5) jumps within 1MM, and the position of the central shaft hole is within 0.3MM. 5. A kind of high-precision wind power planetary frame processing technology according to claim 1, characterized in that, in step 4, the positioning mechanism 3 supports and contacts several columns through several support plates (13), and through several The shaft hole positioning fixture (14) provides limit support for several side shaft holes (5); the flatness of the top surface of the column is within 0.05MM, and the center straightness runout of the side shaft hole (5) is within 1MM . 6. A kind of high-precision wind power planetary carrier processing technology according to claim 1, characterized in that, in step 5, when positioning and clamping, adjust the flatness of the bottom surface (403) of each column within 0.05MM, and press the side of the table The central straightness of the shaft hole (5) runs out within 0.05MM, the cylindricity is 0.012MM, the positional degree is 0.08MM, the concentricity is 0.025MM, and the verticality is 0.04MM. 7. A high-precision wind power planetary carrier processing technology according to claim 1, characterized in that, in step 6, the runout of the top surface (401) of the metering and leveling column is controlled within 0.05MM, and the first side of the metering is The runout of the outer circle of the edge of the plate (1) is within 0.1MM; the concentricity of the outer jacket end (3) is 0.04MM, the cylindricity is 0.03MM, and the runout of the center straightness is 0.04MM. 8. A kind of high-precision wind power planetary carrier processing technology according to claim 1, characterized in that, in step seven, the positioning mechanism seven supports several column top surfaces (401) through the supporting fixture (15), Realize the limit of the planet carrier, control the gap between each supporting fixture (15) and the column within 0.02MM, and control the outer circle runout of the first side plate (1) within 0.1MM: the top surface of the column (401) The runout of the flatness is within 0.04MM, the cylindricity of the central shaft port (6) is 0.03MM, and the concentricity is 0.04MM.

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