CN112325754A - Mechanical centering measuring device for high-speed balancing machine swing frame - Google Patents
Mechanical centering measuring device for high-speed balancing machine swing frame Download PDFInfo
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- CN112325754A CN112325754A CN202011211005.0A CN202011211005A CN112325754A CN 112325754 A CN112325754 A CN 112325754A CN 202011211005 A CN202011211005 A CN 202011211005A CN 112325754 A CN112325754 A CN 112325754A
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- guide rail
- measuring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/25—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
- G01B5/252—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes for measuring eccentricity, i.e. lateral shift between two parallel axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention discloses a mechanical centering measuring device for a high-speed balancing machine swing frame. The device comprises a centering measuring device assembly, a high-speed balancing machine base, a first fixing support base and a second fixing support base, wherein the measuring device assembly is arranged between the first fixing support base and the second fixing support base, the first fixing support base, the measuring device assembly and the second fixing support base are movably embedded on a guide rail of the high-speed balancing machine base, a first fixing support base centering piece and a second fixing support base centering piece are respectively installed on the first fixing support base and the second fixing support base, and dial indicators are respectively installed on different parts of a mechanical centering measuring device to realize correction and inspection. The device has lower cost, and can simply and visually measure the horizontal misalignment and the axial angle deviation of the two fixed supporting seats of the balancing machine.
Description
Technical Field
The invention relates to a mechanical centering measuring device, in particular to a mechanical centering measuring device for a high-speed balancing machine swing frame.
Background
The high-speed balancing machine swing frame structure mainly comprises two end fixing support seats, a horizontal sliding table and a driving connection unit. The two-end fixed supporting seats are designed according to flange mounting surfaces at two ends of the measured rotor, and the mounting precision of the two-end fixed supporting seats is consistent with the actual assembly condition of the rotor. Because the actual working rotating speed of the rotor exceeds 20000 rpm, the installation requirement is high, and if the rotor is not centered, the vibration is aggravated, the bearing is abraded, the flexural deformation of the shaft is increased during the speed increase, and the speed cannot be increased to the required rotating speed. In practice, the coaxiality of two ends of the rotor is required to be 0.1mm after the rotor is installed. Therefore, when the high-speed balancing machine swing frame is installed, the concentricity of the fixed supporting seats at the two ends of the swing frame needs to be measured, and then the concentricity is adjusted to meet the installation requirement.
The common centering measurement method in actual test is realized by means of a laser centering instrument, a ruler detection method, a feeler gauge detection method and a dial indicator detection method. The cost of the laser alignment instrument is high, and the ruler and feeler gauge detection method is suitable for detecting horizontal misalignment, but inaccurate in axial angle deviation measurement. The dial indicator detection method needs to be provided with a rotary rotating shaft for detection.
Disclosure of Invention
In order to solve the problems and requirements in the background art, the invention provides a mechanical centering coaxiality measuring device for a high-speed balancing machine swing frame, which is used for simply and visually measuring the coaxiality of supporting seats at two ends.
The technical scheme adopted by the invention is as follows:
the device comprises a centering measuring device assembly, a high-speed balancing machine base, a first fixing support base and a second fixing support base, wherein gaskets for supporting balance are arranged inside the first fixing support base and the second fixing support base, a key for aligning centers is arranged between the two gaskets, the measuring device assembly is arranged between the first fixing support base and the second fixing support base, the first fixing support base, the measuring device assembly and the second fixing support base are movably embedded on a guide rail of the high-speed balancing machine base, a first fixing support base centering piece and a second fixing support base centering piece are respectively arranged on the first fixing support base and the second fixing support base, and dial indicators are respectively arranged on different parts of a mechanical centering measuring device to realize correction and inspection.
The centering measuring device assembly comprises a measuring device base, a centering moving seat, a gauge stand, a vertical moving guide rail and a horizontal moving guide rail; the measuring device base, the vertical migration guide rail, the seat is removed in the centering, horizontal migration guide rail and gauge stand from the bottom up install in proper order and arrange, vertical migration guide rail fixed mounting is at the upper surface of measuring device base, the seat is removed in the centering is installed on the vertical migration slider through first locating pin, vertical migration slider and vertical migration guide rail sliding connection, make the centering remove the seat and slide along the vertical migration guide rail direction, horizontal migration guide rail fixed mounting is at the upper surface that the seat was removed in the centering, the gauge stand passes through the second locating pin and installs on the horizontal migration slider, horizontal migration slider and horizontal migration guide rail sliding connection, make the gauge stand slide along the horizontal migration guide rail direction, vertical migration guide rail and horizontal migration guide rail are in same horizontal plane and direction perpendicular, the guide rail of horizontal migration guide rail and high-speed equalizer base.
The centering measuring device assembly further comprises a balancer base key, a balancer base key is fixedly mounted below each of two ends of the measuring device base, a balancer base key groove along the direction of the horizontal moving guide rail is formed in the bottom surface of each balancer base key, and the balancer base key grooves are embedded in the guide rail of the high-speed balancer base.
The invention has the beneficial effects that:
the device is low in cost, and the horizontal misalignment and the axial angle deviation of the two fixed supporting seats of the balancing machine can be simply and visually measured.
Drawings
FIG. 1 is a schematic view of a centering measurement device of the present invention.
Fig. 2 is an exploded view of the centering measurement device of the present invention.
Fig. 3 is a schematic view of the installation of the centering measuring device of the present invention.
Fig. 4 is a schematic diagram of the actual operation of the present invention.
Fig. 5 is a schematic diagram of the actual operation of the present invention.
Fig. 6 is a schematic view of a horizontal misalignment measurement.
In the figure: a0 centering measuring device assembly, A1 measuring device base, A2 centering moving base, A3 gauge stand, B1 vertical moving guide rail, B2 horizontal moving guide rail, C0 high-speed balancing machine base, C1 first fixed support base, C1.1 first fixed support base centering piece, C2 second fixed support base, C2.1 second fixed support base centering piece, and A4 balancing machine base key.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 3, the present invention includes a centering measuring device assembly a0, a high-speed balancing machine base C0, a first fixed support base C1 and a second fixed support base C2, wherein spacers for supporting balance are respectively disposed inside the first fixed support base C1 and the second fixed support base C2, a key for center alignment is disposed between the two spacers, a measuring device assembly a0 is disposed between the first fixed support base C1 and the second fixed support base C2, the first fixed support base C1, the measuring device assembly a0 and the second fixed support base C2 are movably embedded in a guide rail of the high-speed balancing machine base C0, a first fixed support base C1 and the second fixed support base C2 are respectively mounted with a first fixed centering piece C1.1 and a second fixed support base centering piece C2.1, dial indicators are respectively mounted on different components of the mechanical centering measuring device to realize calibration and inspection, and the dial indicator is calibrated by moving the measuring device assembly a0 in the accurate mechanical centering measuring device, the horizontal offset value is detected from the value of the dial indicator.
As shown in fig. 1 and 2, the centering measuring device assembly a0 includes a measuring device base a1, a centering moving seat a2, a watch seat A3, a vertical moving guide rail B1 and a horizontal moving guide rail B2; the measuring device base A1, the vertical moving guide rail B1, the centering moving seat A2, the horizontal moving guide rail B2 and the meter seat A3 are sequentially arranged from bottom to top, the vertical moving guide rail B1 is fixedly arranged on the upper surface of the measuring device base A1, the centering movable seat A2 is arranged on a vertical movable slide block through a first positioning pin, the vertical movable slide block is connected with a vertical movable guide rail B1 in a sliding way, so that the centering movable seat A2 slides along the direction of the vertical movable guide rail B1, the horizontal movable guide rail B2 is fixedly arranged on the upper surface of the centering movable seat A2, the watch seat A3 is arranged on the horizontal movable slide block through a second positioning pin, the horizontal movable slide block is connected with the horizontal movable guide rail B2 in a sliding way, so that the watch seat A3 slides along the direction of the horizontal moving guide rail B2, the vertical moving guide rail B1 and the horizontal moving guide rail B2 are positioned on the same horizontal plane and are vertical, and the horizontal moving guide rail B2 is parallel to the guide rail of the high-speed balancing machine seat C0.
The centering measuring device component A0 further comprises a balancer base key A4, a balancer base key A4 is fixedly mounted below each of two ends of the measuring device base A1, a balancer base key groove L1 in the direction of the horizontal moving guide rail B2 is formed in the bottom surface of each balancer base key A4, and the balancer base key groove L1 is embedded in the guide rail of the high-speed balancer base C0.
As shown in FIG. 3, the centering measurement device assembly A0 is fixedly mounted on the high speed balancer base C0, and the high speed balancer base C0 is in fit connection with the keyway of the high speed balancer base C0 through a balancer base key A4. The line L2 connecting the centers of the first plurality of dowel holes is perpendicular to the keyway axis L1 of the equalizer base key a4, thereby ensuring that the vertical travel rail B1 is perpendicular to the keyway axis L1 of the equalizer base key a 4. A line L4 connecting the centers of the second plurality of registration pin holes is parallel to the keyway axis L1 of the balancer base key a 4. The measurement shaft section size tolerance of the first fixed support centering piece C1.1 is the same as that of the second fixed support centering piece C2.1, and the first fixed support centering piece C1 and the second fixed support centering piece C2 are installed on the first fixed support C1 and the second fixed support through corresponding flange face interfaces.
The X-axis is parallel to the direction of the rails on high speed balancer base C0, the Y-axis is perpendicular to the direction of the rails on high speed balancer base C0 and in the plane of the upper surface of high speed balancer base C0, and the Z-axis is perpendicular to the X-axis and the Y-axis and parallel to the central axis of centering measurement device assembly a 0.
The specific working steps are as follows:
t1, mounting the magnetic seat of the dial indicator on an indicator seat A3, downwards striking the indicator head of the magnetic seat of the dial indicator on a horizontal groove of a high-speed balancing machine base C0, driving a horizontal moving slide block to move along a horizontal moving guide rail B2 along the X-axis direction, further driving an indicator seat A3 and the dial indicator on the horizontal moving slide block to move along a horizontal moving guide rail B2, and observing the numerical value of the dial indicator to jump;
t2, if the measured bounce value meets the requirement, the horizontal moving guide rail B2 is proved to be horizontal with the base; if the measured jitter value does not meet the requirement, the base A1 of the measuring device is finely adjusted, and the step T1 is repeated again.
T3 as shown in FIG. 4, the dial head is located above the centering piece C1.1 of the first fixed support, the dial head faces downwards to the centering piece C1.1 of the first fixed support, the vertically moving slide block is driven to move along the vertically moving guide rail B1 along the Y-axis direction, the numerical value of the dial indicator is observed in real time, the position of the dial indicator is adjusted through the vertically moving guide rail B1, the dial head is located right above the highest point of the centering piece C1.1 of the first fixed support, the centering moving seat A2 is locked, the position of the centering moving seat A2 relative to the vertically moving guide rail B1 is kept unchanged, then the horizontally moving slide block is driven to move along the horizontally moving guide rail B2 along the X-axis direction, the dial seat A3 and the dial indicator on the horizontally moving slide block are driven to move along the horizontally moving guide rail B2, the numerical values of the dial indicator are observed, each numerical value is the distance between the dial head of the dial indicator and the centering piece C1.1 of the first fixed support along the horizontally moving guide rail B2 to obtain the numerical, the vertical angle deviation between the first fixed support C1 and the x-axis can be measured. And if the vertical angle deviation does not meet the requirement, adjusting the installation of the first fixed supporting seat C1 and the first fixed supporting seat to the centering piece C1.1, and repeating the steps until the vertical angle deviation meets the requirement.
T4 moving down the head to the side of the centering piece C1.1 with the head facing horizontally to the centering piece C1.1 with the Y-axis driving the vertically moving slide block to move along the vertically moving guide rail B1, observing the value of the dial indicator in real time and adjusting the position of the head by the vertically moving guide rail B1 to make the head at the outermost position of the centering piece C1.1 with the centering seat A2 locked to keep the position of the centering seat A2 relative to the vertically moving guide rail B1 unchanged, then driving the horizontally moving slide block to move along the horizontally moving guide rail B2 along the X-axis direction to drive the seat A3 on the horizontally moving slide block and the dial indicator to move along the horizontally moving guide rail B2, observing the value of the dial indicator, each value being the distance between the head of the dial indicator and the centering piece C1.1 with the first fixed support along the Z-axis, the deviation of the horizontal angle between the first fixed support seat C1 and the x axis can be measured by processing the values measured by each dial indicator during the process of horizontally moving the guide rail B2. If the horizontal angle deviation does not meet the requirement, the installation of the centering piece C1.1 by the first fixed supporting seat C1 and the first fixed supporting seat is adjusted, the angle deviation of the first fixed supporting seat C1 in the Y-axis direction is reduced, and the steps are repeated until the horizontal angle deviation meets the requirement.
T5 measurement of the centering piece C2.1 of the second fixed support by adopting two steps of T3 and T4 reduces the angular deviation of the C2 of the second fixed support in the same way, thereby eliminating the angular deviation of the centering piece C1.1 of the first fixed support and the centering piece C2.1 of the second fixed support.
T6A first fixed support seat C1 and a second fixed support seat C2 of the mobile balancing machine enable the two to be close. The dial indicator head is moved to the position near the highest point of the first fixed support centering piece C1.1, the horizontal moving sliding block is driven to move along the horizontal moving guide rail B2 along the X-axis direction, the indicator seat A3 and the dial indicator on the horizontal moving sliding block are further driven to move along the horizontal moving guide rail B2, the dial indicator head crosses the second fixed support centering piece C2.1, the reciprocating horizontal moving sliding block moves along the horizontal moving guide rail B2, the numerical value change of the dial indicator is observed, and a first horizontal deviation value Z1 in the Z-axis direction between the first fixed support centering piece C1.1 and the second fixed support centering piece C2.1 is obtained through numerical value processing measured at each moment. And moving the dial indicator head to the position near the highest point of the centering piece C2.1 of the second fixed support seat, driving the horizontal moving slide block to move along the horizontal moving guide rail B2 along the X-axis direction, further driving the gauge seat A3 and the dial indicator on the horizontal moving slide block to move along the horizontal moving guide rail B2, crossing the centering piece of the first fixed support seat C1.1, reciprocating the horizontal moving slide block to move along the horizontal moving guide rail B2, and processing according to the numerical values measured at each moment to obtain a second horizontal deviation value Z2 between the centering piece C1.1 of the first fixed support seat and the centering piece C2.1 of the second fixed support seat along the Z-axis direction. The third horizontal offset value Z0 of the first fixed bearing centering piece C1.1 and the second fixed bearing centering piece C2.1 along the Z-axis direction can be obtained by averaging the first horizontal offset value Z1 and the second horizontal offset value Z2, as shown in fig. 6.
And T7, moving the dial indicator head to the outermost position of the first fixed support seat centering piece C1.1 along the Y-axis direction, driving the horizontal moving slide block to move along the horizontal moving guide rail B2 along the X-axis direction, further driving the gauge seat A3 on the horizontal moving slide block and the dial indicator thereof to move along the horizontal moving guide rail B2, crossing over the second fixed support seat centering piece C2.1, reciprocating the horizontal moving slide block to move along the horizontal moving guide rail B2, observing the numerical value change of the dial indicator, and processing according to the numerical value measured at each moment to obtain a fourth horizontal deviation value Y1 between the first fixed support seat centering piece C1.1 and the second fixed support seat centering piece C2.1 along the Y-axis direction. And moving the dial indicator head to the outermost position of the second fixed support centering piece C2.1 along the Y-axis direction, driving the horizontal moving slide block to move along the horizontal moving guide rail B2 along the X-axis direction, further driving the gauge seat A3 on the horizontal moving slide block and the dial indicator thereof to move along the horizontal moving guide rail B2, crossing the first fixed support centering piece C1.1, reciprocating the horizontal moving slide block to move along the horizontal moving guide rail B2, and processing according to the measured values at each moment to obtain a fifth horizontal deviation value Y2 between the first fixed support centering piece C1.1 and the second fixed support centering piece C2.1 along the Y-axis direction. Taking the average value of the fourth horizontal deviation value Y1 and the fifth horizontal deviation value Y2, the sixth horizontal deviation value Y0 of the first fixed bearing centering member C1.1 and the second fixed bearing centering member C2.1 along the Y-axis direction can be obtained, as shown in fig. 6.
T8, grinding the gaskets and the keys on the first fixed support C1 and the second fixed support C2 according to the third horizontal deviation value Z0 and the sixth horizontal deviation value Y0 of the first fixed support centering piece C1.1 and the second fixed support centering piece C2.1, and then detecting whether the third horizontal deviation value Z0 and the sixth horizontal deviation value Y0 meet the requirements or not according to the steps T3-T7, and continuously adjusting the grinding of the gaskets and the keys until the third horizontal deviation value Z0 and the sixth horizontal deviation value Y0 meet the requirements if the third horizontal deviation value Z0 and the sixth horizontal deviation value Y0 do not meet the requirements.
Claims (3)
1. The utility model provides a mechanical centering measuring device for high-speed balancing machine rocker which characterized in that: including centering measuring device subassembly (A0), high-speed balancing machine base (C0), fixed supporting seat (C1) and No. two fixed supporting seats (C2), be provided with measuring device subassembly (A0) between fixed supporting seat (C1) and No. two fixed supporting seats (C2), fixed supporting seat (C1), measuring device subassembly (A0) and No. two fixed supporting seats (C2) are all movably to inlay on the guide rail of adorning high-speed balancing machine base (C0), install fixed supporting seat centering piece (C1.1) and No. two fixed supporting seat centering piece (C2.1) on fixed supporting seat (C1) and No. two fixed supporting seats (C2) respectively, the percentage table is installed respectively and is realized rectifying and inspection on mechanical centering measuring device's different parts.
2. The mechanical centering measuring device for the high-speed balancing machine swing frame according to claim 1, is characterized in that: the centering measuring device assembly (A0) comprises a measuring device base (A1), a centering moving seat (A2), a watch seat (A3), a vertical moving guide rail (B1) and a horizontal moving guide rail (B2); the measuring device base (A1), the vertical moving guide rail (B1), the centering moving seat (A2), the horizontal moving guide rail (B2) and the meter seat (A3) are sequentially arranged from bottom to top, the vertical moving guide rail (B1) is fixedly arranged on the upper surface of the measuring device base (A1), the centering moving seat (A2) is arranged on the vertical moving slide block through a first positioning pin, the vertical moving slide block is connected with the vertical moving guide rail (B1) in a sliding mode, so that the centering moving seat (A2) slides along the direction of the vertical moving guide rail (B1), the horizontal moving guide rail (B2) is fixedly arranged on the upper surface of the centering moving seat (A2), the meter seat (A3) is arranged on the horizontal moving slide block through a second positioning pin, the horizontal moving slide block is connected with the horizontal moving guide rail (B2) in a sliding mode, so that the meter seat (A3) slides along the direction of the horizontal moving guide rail (B2), the vertical moving guide rail (B1) and the horizontal moving guide rail (B2), the horizontal moving guide rail (B2) is parallel to the guide rail of the high-speed balancing machine base (C0).
3. The mechanical centering measuring device for the high-speed balancing machine swing frame according to claim 2, is characterized in that: the centering measuring device assembly (A0) further comprises a balancer base key (A4), a balancer base key (A4) is fixedly mounted below each of two ends of the measuring device base (A1), a balancer base key groove (L1) in the direction of the horizontal moving guide rail (B2) is formed in the bottom surface of each balancer base key (A4), and the balancer base key groove (L1) is embedded in the guide rail of the high-speed balancer base (C0).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211005.0A CN112325754B (en) | 2020-11-03 | 2020-11-03 | Mechanical centering measuring device for high-speed balancing machine swing frame |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011211005.0A CN112325754B (en) | 2020-11-03 | 2020-11-03 | Mechanical centering measuring device for high-speed balancing machine swing frame |
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| CN112325754A true CN112325754A (en) | 2021-02-05 |
| CN112325754B CN112325754B (en) | 2022-05-31 |
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|---|---|
| CN112325754B (en) | 2022-05-31 |
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