CN113218288A - Wind power generation coaxiality detection device - Google Patents
Wind power generation coaxiality detection device Download PDFInfo
- Publication number
- CN113218288A CN113218288A CN202110422417.7A CN202110422417A CN113218288A CN 113218288 A CN113218288 A CN 113218288A CN 202110422417 A CN202110422417 A CN 202110422417A CN 113218288 A CN113218288 A CN 113218288A
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- main shaft
- ball screw
- magnetometer
- guide rail
- linear guide
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
- G01B7/31—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Abstract
The invention relates to a device for detecting the coaxiality of a main shaft of a wind driven generator, which is used for detecting the coaxiality of the main shaft of the wind driven generator and comprises a detection platform arranged on the ground, a V-shaped block fixedly connected with the upper surface of the detection platform, a magnetometer bracket assembly arranged on the detection platform and far away from one side of the V-shaped block, a magnetometer seat arranged on the magnetometer bracket assembly, a magnetometer arranged on the magnetometer seat and a clamp arranged at one end of the main shaft of the wind driven generator to be detected, wherein the magnetometer seat is arranged on the magnetometer seat; the bracket assembly of the magnetometer comprises a support column, a linear guide rail pair, a support, a magnetometer fixing plate and a ball screw pair. The invention has the advantages that the coaxiality of the main shaft of the generator can be detected through the arranged ball screw pair and the magnetic force meter on the linear guide rail pair, the error of handheld detection of detection personnel is avoided, and the detection efficiency and the detection accuracy are improved.
Description
Technical Field
The invention relates to the field of detection devices, in particular to a device for detecting the coaxiality of a main shaft of a wind driven generator.
Background
The detection device is a general name of equipment for detecting all parts of the wind driven generator, and at present, in order to prevent a main shaft of the wind driven generator from deforming in the transportation and carrying processes, the main shaft of the wind driven generator needs to be rechecked before being installed; the coaxiality of the main shaft of the generator must be ensured, if the coaxiality deviation is overlarge, the abrasion of each moving part is accelerated if the moving part is light, and the generator support is damaged if the moving part is heavy.
However, the existing coaxiality detection is basically that detection personnel hold a detection instrument to detect, so that not only is the working efficiency reduced, but also human errors exist; the coaxiality detection of the main shaft of the general wind driven generator needs to be carried back to a maintenance workshop for detection, and is long in distance, low in efficiency and quite inconvenient.
Therefore, how to design a quick device for detecting the coaxiality of the main shaft of the wind driven generator on site becomes a problem to be solved at present.
Disclosure of Invention
The invention aims to provide a device for detecting the coaxiality of a main shaft of a wind driven generator, which can conveniently and quickly detect the coaxiality of the main shaft of the generator.
In order to solve the above problems, the present invention adopts the following technical solutions.
The device for detecting the coaxiality of the main shaft of the wind driven generator comprises a detection platform arranged on the ground, a V-shaped block fixedly connected with the upper surface of the detection platform, a magnetometer bracket assembly arranged on the detection platform and far away from one side of the V-shaped block, a magnetometer seat arranged on the magnetometer bracket assembly and a magnetometer arranged on the magnetometer seat.
Furthermore, the magnetometer bracket assembly comprises a support column, a linear guide rail pair, a support, a magnetometer fixing plate and a ball screw pair; the two support columns are respectively arranged at two ends of the detection platform; the linear guide rail pair comprises an optical axis and a sliding block which can slide on the optical axis; the number of the linear guide rail pairs is two, and the number of the supports is four; the optical axis of each set of linear guide rail pair is fixedly connected with the support column through two supports; the magnetic meter fixing plate is fixedly connected with the sliding block; the ball screw pair comprises a ball screw, a ball screw nut and a screw support; the screw rod support is arranged on the back of one side of the support column, which is provided with the linear guide rail pair; the ball screw is fixedly connected with the screw support, and the ball screw nut is in threaded transmission with the ball screw; the ball screw is fixedly connected with the fixed plate of the magnetic meter.
Further, the device also comprises a motor for driving the ball screw pair; the motor is fixedly connected with the lead screw support, and an output shaft of the motor is fixedly connected with the ball screw.
Furthermore, the device also comprises a main shaft of the generator to be tested arranged on the V-shaped block and a clamp arranged at one end of the main shaft of the generator to be tested.
Further, the clip comprises a clamping arm and a spring; the clamping arm is provided with an object clamping end and a handle end; the object clamping end is fixedly connected with a main shaft of the generator to be tested; the clamping arms are two, the middle parts of the two clamping arms are hinged together, and the spring is arranged between the two handle ends.
Further, the spring is a tension spring.
Furthermore, a rubber plate is arranged on the contact surface of the clamping arm and the main shaft of the generator to be tested
Furthermore, the axis of the main shaft of the generator to be tested is parallel to the axis of the linear guide rail pair, and the axis of the linear guide rail pair is parallel to the axis of the ball screw pair.
The invention has the beneficial effects that:
1. the main shaft of the wind driven generator can be clamped through the arranged clamp, and the main shaft of the wind driven generator is rotated when the coaxiality of the main shaft of the wind driven generator is detected, so that time and labor are avoided when the main shaft of the wind driven generator is directly rotated manually; due to the fact that the extension spring is arranged on the clamp, the clamp can be fixed on the main shaft of the engine under the action of elastic force as long as the clamp is opened to clamp the main shaft of the generator, and complexity of repeatedly opening the clamp is avoided;
2. the magnetic force meter can move along the axial direction of the main shaft of the generator to be detected through the two linear guide rail pairs, and the coaxiality of the main shaft of the generator is detected;
3. the sliding block of the linear guide rail can be driven to do linear motion through the arranged ball screw pair and the motor, the sliding block moves to enable the sliding block and the fixed magnetic meter fixing plate fixed by the sliding block to move together, and then the magnetic meter can do linear motion, so that the main shaft of the generator can be conveniently detected; the ball screw pair adopted by the invention has the advantages that the driving torque is small, and the driving torque is only 1/3 of a sliding screw rod; the precision is high, and micro-feeding can be realized; no gap, high rigidity and the like;
4. the rubber plate arranged on the clamping arm prevents the clamp from abrading the surface of the main shaft of the generator when the main shaft of the generator is clamped;
5. through the combination of the arranged magnetic gauge stand and the dial indicator, the coaxiality of the main shaft of the generator can be measured by rotating the main shaft of the generator to be measured;
6. the device has simple structure and convenient operation, can quickly detect the coaxiality of the main shaft of the generator, and is a detection device worthy of popularization.
Drawings
FIG. 1 is a front view schematically showing the structure of embodiment 1 of the present invention;
FIG. 2 is a schematic right side view of the structure of embodiment 1 of the present invention;
FIG. 3 is a schematic plan view of the structure of embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the structure of a clip according to example 1 of the present invention;
fig. 5 is a schematic view of a clip structure according to embodiment 2 of the present invention.
The reference numbers in the figures illustrate:
the device comprises a detection platform 1, a 2-V-shaped block, a 3-tested generator spindle, a 4-support column, a 5-support, a 6-linear guide rail pair, a 7-motor, an 8-ball screw pair, a 9-dial indicator, a 10-magnetic gauge stand, an 11-magnetic gauge fixing plate, a 30-clamp, a 31-clamping arm, a 32-spring and a 310-rubber plate.
Detailed Description
The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.
In the description of the present invention, it is to be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", left and right. The positional or orientational relationships indicated before, after, etc. are based on the positional or orientational relationships shown in the drawings and are intended to be merely to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation and is therefore not to be construed as limiting the invention. Furthermore, the terms "first," "second," "one end," and "the other end" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed", "sleeved/connected", "connected", and the like, are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
As shown in fig. 1-4:
the utility model provides a aerogenerator main shaft axiality detection device for detect the axiality of aerogenerator main shaft, including set up subaerial testing platform 1, with V-arrangement piece 2 that fixed surface is connected on testing platform 1, set up and be in testing platform 1 is last and keep away from the megmeter support assembly of V-arrangement piece 2 one side, set up and be in magnetic gauge stand 10 on the megmeter support assembly and set up the megmeter 9 on the megmeter support assembly 10.
The magnetometer stand assembly comprises a support column 4, a linear guide rail pair 6, a support 5, a magnetometer fixing plate 11 and a ball screw pair 8; the two support columns 4 are respectively arranged at two ends of the detection platform 1 far away from the V-shaped block 2; the linear guide rail pair 6 comprises an optical axis and a slide block which can slide on the optical axis; the number of the linear guide rail pairs 6 is two, and the number of the supports 5 is four; the optical axis of each linear guide rail pair 6 is fixedly connected with the support column 4 through two supports 5; the magnetic force meter fixing plate 11 is fixedly connected with the sliding block; the ball screw pair 8 comprises a ball screw, a ball screw nut and a screw support 12; the screw rod support 12 is arranged on the back of one side of the support column 4 provided with the linear guide rail pair 6; the ball screw is fixedly connected with the screw support 12, and the ball screw nut is in threaded transmission with the ball screw; the ball screw is fixedly connected with the fixed plate 11 of the magnetometer. The axis of the tested generator main shaft 3 is parallel to the axis of the linear guide rail pair 6, and the axis of the linear guide rail pair 6 is parallel to the axis of the ball screw pair 8.
The device also comprises a motor 7 for driving the ball screw pair 8; the motor 7 is fixedly connected with the lead screw support 12, and an output shaft of the motor 7 is fixedly connected with the ball screw.
The device also comprises a tested generator main shaft 3 arranged on the V-shaped block 4 and a clamp 30 arranged at one end of the tested generator main shaft 3.
The clip comprises a gripping arm 31 and a spring 32; the clamping arm 31 is provided with an object clamping end and a handle end; the object clamping end is fixedly connected with a main shaft 3 of the generator to be tested; the number of the clamping arms 31 is two, the middle parts of the two clamping arms 31 are hinged together, and the spring 32 is arranged between the two handle ends.
The spring 32 is a compression spring.
The ball screw pair 8 adopts an internal circulation ball screw, and the balls are always in contact with the screw in the circulation process. The balls are each circulated in a closed circuit called a row, and the number of strokes contained in each circulated closed circuit is called the number of turns. Each nut of the internal circulation ball screw pair has 2 rows, 3 rows, 4 rows, 5 rows and the like, each row has only one circle, the internal circulation ball screw pair adopts four rows, and the internal circulation ball screw pair has the following advantages:
1. the internal circulation design saves the use space;
2. 1/3 with small driving torque and only a sliding screw rod;
3. the precision is high, and micro-feeding can be realized;
4. no gap and high rigidity.
The working process of the device is as follows:
fixing the V-shaped block 2 on the detection platform 1 according to the length of the tested generator main shaft 3, and adjusting a connecting rod of the magnetic gauge stand 10 according to the position of the tested generator main shaft 3, so that a probe of the dial indicator 9 is pressed on the surface of the tested generator main shaft 3, and the pointer of the dial indicator 3 is required to be pressed for not less than two circles and not more than three circles; fixing the clamp 30 at one end of the tested generator main shaft 3, slowly rotating the tested generator main shaft 3 by using the clamp 30, testing the data of the tested generator main shaft at intervals of 45 degrees, and comparing the tested data with a standard to judge whether the tested generator main shaft is qualified or not.
After the first position data is measured, adjusting a magnetic meter base 10 to enable a probe of a dial indicator 9 to be separated from a generator spindle 3, starting a motor 7, driving a ball screw to rotate by the motor 7, driving the ball screw to slide along a linear guide rail pair, driving a magnetic meter fixing plate 11 fixed with the ball screw to move to a specific position needing coaxiality detection along the linear guide rail pair 6, and carrying out coaxiality detection; the procedure is the same as before. After the detection is finished, the equipment can be moved to the next area needing to be detected, and the detection is continued until the generator main shaft 3 is detected according to a set detection program; the detected data is compared with the standard data to judge whether the data is qualified or not.
Example 2
As shown in figure 5 of the drawings,
the structure of the present embodiment is the same as that of embodiment 1, except that a rubber plate 310 is disposed on the contact surface between the clamping arm 31 and the main shaft 3 of the generator to be tested. Through the rubber plate 310 arranged on the clamping arm 31, the situation that the surface of the tested generator main shaft 3 is abraded when the clamp 3 clamps the tested generator main shaft 3 to cause damage to the tested generator main shaft 3 is avoided.
The working principle of this embodiment is the same as that of embodiment 1, and the description will not be repeated.
The above; but are merely preferred embodiments of the invention; the scope of the invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; the technical scheme and the improved concept of the invention are equally replaced or changed; are intended to be covered by the scope of the present invention.
Claims (8)
1. The utility model provides a aerogenerator main shaft axiality detection device which characterized in that: the device comprises a detection platform (1) arranged on the ground, a V-shaped block (2) fixedly connected with the upper surface of the detection platform (1), a magnetometer bracket assembly arranged on the detection platform (1) and far away from one side of the V-shaped block (2), a magnetometer seat (10) arranged on the magnetometer bracket assembly and a magnetometer (9) arranged on the magnetometer seat (10).
2. The wind driven generator main shaft coaxiality detection device according to claim 1, wherein: the magnetometer stand assembly comprises a support pillar (4), a linear guide rail pair (6), a support (5), a magnetometer fixing plate (11) and a ball screw pair (8); the two support columns (4) are respectively arranged at two ends of the detection platform (1); the linear guide rail pair (6) comprises an optical axis and a sliding block sliding on the optical axis; the number of the linear guide rail pairs (6) is two, and the number of the supports (5) is four; the optical axis of each set of linear guide rail pair (6) is respectively fixedly connected with the support column (4) through a support (5); the magnetic meter fixing plate (11) is fixedly connected with the sliding block; the ball screw pair (8) comprises a ball screw, a ball screw nut and a screw support (12); the screw rod support (12) is arranged on the back of one side of the support column (4) provided with the linear guide rail pair (6); the ball screw is rotationally connected with the screw support (12), and the ball screw nut is in threaded transmission with the ball screw; the ball screw is fixedly connected with a fixed plate (11) of the magnetic meter.
3. The wind driven generator main shaft coaxiality detection device according to claim 2, wherein: the device also comprises a motor (7) for driving the ball screw pair (8); the shell of the motor (7) is fixedly connected with the lead screw support (12), and the output shaft of the motor (7) is fixedly connected with the ball screw.
4. The wind driven generator main shaft coaxiality detection device according to claim 1, wherein: the device also comprises a clamp (30) arranged at one end of the main shaft (3) of the generator to be tested; the main shaft (3) of the generator to be tested is arranged in the V-shaped groove of the V-shaped block (2).
5. The wind driven generator main shaft coaxiality detection device according to claim 4, wherein: the clip (30) comprises a clip arm (31) and a spring (32); the number of the clamping arms (31) is two, and the middle parts of the two clamping arms (31) are hinged together; the clamping arm (31) is provided with an object clamping end and a handle end; the object clamping end is clamped with a main shaft (3) of the generator to be tested; the spring (32) is disposed between the two handle ends.
6. The wind driven generator main shaft coaxiality detection device according to claim 5, wherein: the spring (32) is a pressure spring.
7. The wind driven generator main shaft coaxiality detection device according to claim 5, wherein: and a rubber plate (310) is arranged on the contact surface of the clamping arm (31) and the tested generator main shaft (3).
8. The wind driven generator main shaft coaxiality detection device according to claim 4, wherein: the tested generator main shaft (3) is parallel to the linear guide rail pair (6), and the linear guide rail pair (6) is parallel to the ball screw pair (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422417.7A CN113218288A (en) | 2021-04-20 | 2021-04-20 | Wind power generation coaxiality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110422417.7A CN113218288A (en) | 2021-04-20 | 2021-04-20 | Wind power generation coaxiality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113218288A true CN113218288A (en) | 2021-08-06 |
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ID=77087981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110422417.7A Pending CN113218288A (en) | 2021-04-20 | 2021-04-20 | Wind power generation coaxiality detection device |
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| Country | Link |
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| CN (1) | CN113218288A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206930255U (en) * | 2017-07-05 | 2018-01-26 | 意欧斯智能科技股份有限公司 | A kind of simple coaxial degree detection means |
| CN207741685U (en) * | 2018-01-08 | 2018-08-17 | 成都飞机工业（集团）有限责任公司 | Axiality detection device |
| CN207963745U (en) * | 2018-01-11 | 2018-10-12 | 安徽恒硕纺织品有限公司 | A kind of axiality detection device of colour-spun yarns reference axis |
| CN215064276U (en) * | 2021-04-20 | 2021-12-07 | 河北新天科创新能源技术有限公司 | Wind power generation coaxiality detection device |
-
2021
- 2021-04-20 CN CN202110422417.7A patent/CN113218288A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206930255U (en) * | 2017-07-05 | 2018-01-26 | 意欧斯智能科技股份有限公司 | A kind of simple coaxial degree detection means |
| CN207741685U (en) * | 2018-01-08 | 2018-08-17 | 成都飞机工业（集团）有限责任公司 | Axiality detection device |
| CN207963745U (en) * | 2018-01-11 | 2018-10-12 | 安徽恒硕纺织品有限公司 | A kind of axiality detection device of colour-spun yarns reference axis |
| CN215064276U (en) * | 2021-04-20 | 2021-12-07 | 河北新天科创新能源技术有限公司 | Wind power generation coaxiality detection device |
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Application publication date: 20210806 |