CN102141382A - In-site precision contour detector for giant slewing bearing part - Google Patents
In-site precision contour detector for giant slewing bearing part Download PDFInfo
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- CN102141382A CN102141382A CN2010101045586A CN201010104558A CN102141382A CN 102141382 A CN102141382 A CN 102141382A CN 2010101045586 A CN2010101045586 A CN 2010101045586A CN 201010104558 A CN201010104558 A CN 201010104558A CN 102141382 A CN102141382 A CN 102141382A
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- pin bushing
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Abstract
The invention discloses an in-site precision contour detector for a giant slewing bearing part, comprising a precision positioning device which plays a role in positioning, a shell, a driving motor, a guiderail lifting device and a measurement mechanism. The measurement mechanism comprises a linear grating system, a round-end face grating system and a contact probe assembly, wherein the linear grating system is used for recording the displacement of the detected part in the axial direction; the round-end face grating system is used for recording the displacement of the detected part in the radial direction; the contact probe assembly comprises an elastic bearing; and both the linear grating system and the round-end face grating system are connected with a control processing device. In the invention, a contact scanning method is adopted and the instantaneous displacement of a contact probe in the directions parallel and vertical to the axial direction of the detected part in the scanning process is recorded by utilizing the two grating systems so that the in-site measurement of the contour of the giant slewing bearing part is realized.
Description
Technical field
The present invention relates to a kind of pick-up unit of huge part, relate in particular to a kind of accurate detector on the spot of profile of huge pivoting support part.
Background technology
Along with global warming, each state is all making great efforts to adopt green energy resource, and wherein wind energy is a kind of more satisfactory green energy resource, and abundant wind resource is arranged all over the world, and China is also vigorous day by day to the demand of wind power equipment.
The manufacturing technology of the pivoting support bearing in the wind power technology constantly tends to ripe now, but this pivoting support bearing is a kind of huge part, the cost of making is very big, especially require very high at profile that contacts with steel ball and relative positional accuracy, and at present owing to there is not accurate direct surveying instrument that its machining precision is accurately detected on the spot, can only rely on and scrape the collocation of look and steel ball and measure indirectly, thereby can't guarantee the precision of processing and the quality of product.
Summary of the invention
At the problems referred to above, the invention provides a kind of accurate detector on the spot of profile of huge pivoting support part, the problem that can't accurately detect on the spot with the machining precision that solves huge pivoting support part in the prior art.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of accurate detector on the spot of profile of huge pivoting support part is characterized in that, comprising:
One housing;
One is arranged at the drive motor in the housing;
The one lifting rail device that is in transmission connection with drive motor;
One measuring mechanism, described measuring mechanism is arranged on the lifting rail device, and described measuring mechanism comprises that nose circle concave grating system and that a linear grating system, that is used to write down axial displacement is used to write down radial displacement comprises the stylus module of elastic bearing mechanism; The stylus tip of described stylus module is used for carrying out contact scanning with tested part, and described stylus module is connected with elastic bearing mechanism, and described elastic bearing mechanism is fixed on the lifting rail device;
One control and treatment device, described linear grating system all is connected with described control and treatment device with nose circle concave grating system.
Further, in the present invention, described lifting rail device comprises guide rail and guide pin bushing, and described guide pin bushing is sleeved on the guide rail, and described guide pin bushing is connected with drive motor by the flute profile band.
Further, in the present invention, also comprise an accurate positioning device, described accurate positioning device comprises a back up pad that is connected with housing, be arranged on two cylinder axis on the back up pad, be arranged on being used for and the fixing powerful adsorbent equipment of tested part absorption on the back up pad, described cylinder axis perpendicular to the reference field of back up pad, be symmetrically distributed in the both sides of contact pilotage moving direction and be placed on the back up pad.
The present invention is by adopting the method for contact scanning, utilizes two cover optical-mechanical system recording stylus to be parallel to tested part axially with perpendicular to the axial immediate movement of tested part in scanning process; Utilize cylinder axis perpendicular to the reference field of back up pad and be placed in cylinder axis and powerful adsorbent equipment on the back up pad, solved, can't send into measuring room and detect and be difficult to pinpoint problem because of the tested part bulky.
The present invention is mainly used on the spot the accurate pivoting support part in the wind power generation plant and the profile of like parts of detecting.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is a structural representation of the present invention;
Fig. 2 is that the A of Fig. 1 is to synoptic diagram.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Be example with the profile that detects the huge pivoting support part in the wind power generation plant below, referring to Fig. 1,2, a kind of accurate detector on the spot comprises a pick-up unit, and pick-up unit comprises a housing 12, is arranged on the measuring mechanism in the housing.Housing 12 internal fixation are equipped with a drive motor 8, this drive motor 8 can drive the lifting rail device and move up and down, the lifting rail device comprises guide rail 6 and guide pin bushing 4, guide rail 6 is fixed on the frame, guide pin bushing 4 is sleeved on the guide rail 6, this guide pin bushing 4 is connected with drive motor 8 by flute profile band 7, moves up and down at the drive lower edge of drive motor 8 guide rail 6.The workplace of guide rail 6 has good rectilinearity, guarantees that guide pin bushing 4 in lifting process, operates steadily, and makes measured value accurately, reliably.
Measuring mechanism comprises linear grating system 5, nose circle concave grating system 10 and stylus module.Stylus module is used for tested part is carried out contact scanning, and stylus module comprises feeler lever 2 and contact pilotage 1; Linear grating system 5 is by stylus module record tested part axial direction mobile displacement; Nose circle concave grating system 10 is by stylus module record tested part radial direction mobile displacement.The moving grating of linear grating system 5 is rigidly attached on the guide pin bushing 4, and the quiet grating of linear grating system 5 is fixed on the housing 12.Rotary hole 3 is arranged on the guide pin bushing 4, and nose circle concave grating system 10 is installed on the guide pin bushing 4 by this rotary hole 3, and feeler lever 2 is connected with the moving grating of nose circle concave grating system 10.For the ease of stylus reseats, guarantee that stylus tip is close to the profile of tested part, also connect an elastic supporting mechanism on the feeler lever, its critical piece is extension spring 11, the other end of extension spring 11 is fixed on the guide pin bushing 4.
Also have a sensor base plate 9 in housing, linear grating system 5, nose circle concave grating system 10 all are connected with control and treatment device (not indicating among the figure) by this sensor base plate 9.
During detection, the tip of the contact pilotage 1 of stylus module is pressed on the tested part 16, drive motor 8 drives guide pin bushing 4 and stylus module moves up and down, because the surface profile of tested part 16 is curved surfaces of a fluctuations, the tip that causes contact pilotage 1 produces the axial displacement except drive motor drives, and also produces radial displacement.The moving grating of linear grating system 5 moves up and down with guide pin bushing, the axial displacement at the tip of the read head recording stylus 1 of linear grating system 5; The tip of contact pilotage 1 produces radial displacement, the moving grating that drives nose circle concave grating system 10 rotates, the read head of nose circle concave grating system 10 writes down this variable quantity, by the control and treatment device this variable quantity is changed, calculate corresponding displacement, this displacement is the radial displacement at contact pilotage 1 tip, sets up the rectangular coordinate relation that contact pilotage is axial on the tested part profile, radial direction moves variation thus.For the surface profile of determining tested part provides raw data, through the numerical value that has calculated profile of software.
It is pointed out that because the moving radially to rotate and realize that there is a stripped deviation in this amount of moving radially, when the design of this product, this process is set up a mathematical model, is revised by software of contact pilotage by the rich swivel point of feeler lever.
In order to realize that huge pivoting support parts profile is detected on the spot, this on the spot accurate detector also comprise an accurate positioning device, accurate positioning device comprises a back up pad that is connected with housing 14, two cylinder axis 15 are installed on this back up pad 14, two cylinder axis 15 are symmetrically distributed in the both sides of contact pilotage 1 motion track, and cylinder axis 15 is perpendicular to the reference field of back up pad 14 and be placed on the back up pad 14, the bus of the motion track of contact pilotage and tested solid of revolution coincide like this, and is correct to guarantee the location.In order to guarantee to detect, do not produce relative motion on the spot between accurate detector and the tested part, a powerful adsorbent equipment 13 is installed on back up pad, in the present embodiment, powerful adsorbent equipment 13 is a magnetic block.
The operation of present embodiment is:
At first confirm the reference plane (being the upper surface of tested part) of tested part 16, allow the reference plane (being the lower surface of back up pad) of back up pad 14 overlap with it.Two cylinder axis on the back up pad 14 and the face of cylinder driving fit of tested part, magnetic block is in running order, detection system is controlled by the control and treatment device, behind the starter motor, the motion of drive stylus module, by the displacement variable of linear grating system, nose circle concave grating system log (SYSLOG) stylus tip, thereby obtain the numerical value of the profile of tested part by the data processing of software.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in the foregoing description and the instructions is principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the present invention.The protection domain that the present invention requires is defined by appending claims and equivalent thereof.
Claims (3)
1. the accurate detector on the spot of the profile of a huge pivoting support part is characterized in that, comprising:
One housing;
One is arranged at the drive motor in the housing;
The one lifting rail device that is in transmission connection with drive motor;
One measuring mechanism, described measuring mechanism is arranged on the lifting rail device, and described measuring mechanism comprises that nose circle concave grating system and that a linear grating system, that is used to write down axial displacement is used to write down radial displacement comprises the stylus module of elastic bearing mechanism; The stylus tip of described stylus module is used for carrying out contact scanning with tested part, and described stylus module is connected with elastic bearing mechanism, and described elastic bearing mechanism is fixed on the lifting rail device;
One control and treatment device, described linear grating system all is connected with described control and treatment device with nose circle concave grating system.
2. the accurate detector on the spot of the profile of huge pivoting support part according to claim 1 is characterized in that, described lifting rail device comprises guide rail and guide pin bushing, and described guide pin bushing is sleeved on the guide rail, and described guide pin bushing is connected with drive motor by the flute profile band.
3. the accurate detector on the spot of the profile of huge pivoting support part according to claim 1, it is characterized in that, also comprise an accurate positioning device, described accurate positioning device comprises a back up pad that is connected with housing, be arranged on two cylinder axis on the back up pad, be arranged on being used for and the fixing powerful adsorbent equipment of tested part absorption on the back up pad, described cylinder axis perpendicular to the reference field of back up pad, be symmetrically distributed in the both sides of contact pilotage moving direction and be placed on the back up pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101045586A CN102141382B (en) | 2010-02-02 | 2010-02-02 | In-site precision contour detector for giant slewing bearing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101045586A CN102141382B (en) | 2010-02-02 | 2010-02-02 | In-site precision contour detector for giant slewing bearing part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102141382A true CN102141382A (en) | 2011-08-03 |
| CN102141382B CN102141382B (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101045586A Expired - Fee Related CN102141382B (en) | 2010-02-02 | 2010-02-02 | In-site precision contour detector for giant slewing bearing part |
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| Country | Link |
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| CN (1) | CN102141382B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043295A (en) * | 2015-08-26 | 2015-11-11 | 上海泰勒精密仪器制造有限公司 | In situ precision detector of high-reliability giant slewing bearing part contour |
| CN111692993A (en) * | 2020-06-28 | 2020-09-22 | 华东理工大学 | Non-contact type revolution surface profile measuring device for large-scale revolving body part |
-
2010
- 2010-02-02 CN CN2010101045586A patent/CN102141382B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043295A (en) * | 2015-08-26 | 2015-11-11 | 上海泰勒精密仪器制造有限公司 | In situ precision detector of high-reliability giant slewing bearing part contour |
| CN111692993A (en) * | 2020-06-28 | 2020-09-22 | 华东理工大学 | Non-contact type revolution surface profile measuring device for large-scale revolving body part |
| CN111692993B (en) * | 2020-06-28 | 2022-04-15 | 华东理工大学 | Non-contact type revolution surface profile measuring device for large-scale revolving body part |
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| Publication number | Publication date |
|---|---|
| CN102141382B (en) | 2012-11-21 |
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Granted publication date: 20121121 Termination date: 20130202 |