CN204924197U - Accurate detector on spot of huge slewing bearing part profile of high reliability - Google Patents
Accurate detector on spot of huge slewing bearing part profile of high reliability Download PDFInfo
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- CN204924197U CN204924197U CN201520651599.5U CN201520651599U CN204924197U CN 204924197 U CN204924197 U CN 204924197U CN 201520651599 U CN201520651599 U CN 201520651599U CN 204924197 U CN204924197 U CN 204924197U
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Abstract
The utility model discloses an accurate detector on spot of huge slewing bearing part profile of high reliability, contact pilotage subassembly in this detector include measuring staff, measuring staff seat, contact pilotage and spring clamp, offer the measuring stick resettlement groove along its axial on the measuring staff seat, has radially offered the spacing groove along it, be provided with the locating pin on the measuring staff, this measuring staff is arranged in the resettlement groove of measuring staff seat, and the locating pin on it cooperatees with the spacing groove on the measuring staff seat, and the bottom of this measuring staff meets through pivot and measuring staff seat, and measuring staff seat parallel connection contact pin is stretched out along the resettlement groove in the top of measuring staff, spring clamp one end links to each other with the measuring staff seat, and another pushes down the measuring staff. The utility model discloses a specific contact pilotage subassembly effectively avoids the contact pilotage to make core subassembly sensor receive the damage when receiving the impact, guarantees the reliability and the measurement accuracy of whole accurate detector.
Description
Technical field
The utility model relates to the huge pivoting support such as aerogenerator, is specifically related to the contour detecting technology of the huge pivoting support such as aerogenerator.
Background technology
Wind power technology is exactly the technology utilizing wind power generation, and main is main by manufacturing wind-driven generator.Because wind energy is renewable eco-friendly power source, so exploitation wind power technology is the development grand strategy of current many countries.
Wind-driven generator pivoting support is a kind of extra large size bearing, is mainly used in becoming oar and yaw system, and stand under load is complicated, and dismounting is safeguarded very difficult, and therefore the Design and manufacture of wind-powered electricity generation pivoting support requires strict.Pivoting support is the core component of aerogenerator, is widely used in change oar and the yaw system of aerogenerator, and pitch variable bearings is firm and blade for fifth wheel, and driftage bearing is for connecting tower cylinder and unit.Wind-powered electricity generation pivoting support is because it is bulky and installation site is not easy to assemble, and the difficulty causing it to keep in repair is very large, and pivoting support is once break down, and by directly affecting the serviceability of aerogenerator, even causes shutdown.Therefore require that the dependability of wind-powered electricity generation pivoting support is high, the life-span is long, at least will reach the tenure of use of aerogenerator, namely 20 years.
The manufacturing technology of existing wind-driven generator pivoting support bearing constantly tends to ripe, but this pivoting support bearing is a kind of huge part, the cost made is very large, especially require very high at the profile contacted with steel ball and relative positional accuracy, and at present owing to not having accurate direct surveying instrument accurately to detect on the spot its machining precision, can only rely on and scrape look and steel ball collocation indirect inspection, thus the quality of precision and the product processed cannot be ensured.
For such problem, Chinese invention patent CN102141382A discloses a kind of accurate detector on the spot of profile of huge pivoting support part, and this detector can effectively accurately detect the machining precision of pivoting support bearing.But this detecting instrument in use, when contact pilotage wherein easily makes core component sensor wherein sustain damage when being subject to impacting, thus affect the accuracy of detection of instrument.
Utility model content
For existing huge pivoting support part processing precision detector owing to easily causing reliability not high because the factors such as misoperation are subject to impacting (impulsive force is very little), and making the problem that internal core component sensors is easily damaged, the purpose of this utility model is the accurate detector on the spot of the huge pivoting support parts profile providing a kind of high reliability.
In order to achieve the above object, the utility model adopts following technical scheme:
The accurate detector on the spot of the huge pivoting support parts profile of high reliability, this detector comprises driving mechanism, the measuring mechanism connected with driving mechanism and controls the control treatment device of driving mechanism and measuring mechanism, described measuring mechanism comprises linear grating system, nose circle concave grating system and stylus module, described linear grating system controlled is in control treatment device, and by stylus module record tested part axial displacement, described nose circle concave grating system controlled in control treatment device, and by stylus module record tested part radial displacement; Described stylus module comprises measuring staff, measuring rod seat, contact pilotage and spring clamp, described measuring rod seat axially offers sounding rod resettlement groove along it, radially offer stopper slot, described measuring staff is provided with register pin, this measuring staff is arranged in the resettlement groove of measuring rod seat, register pin on it matches with the stopper slot on measuring rod seat, and the bottom of this measuring staff is connected with rotating shaft by measuring rod seat, and the top of measuring staff is stretched out measuring rod seat along resettlement groove and connects contact pilotage; Described spring clamp one is connected with measuring rod seat, and measuring staff is pushed down in other end.
Preferably, described driving mechanism comprises drive motor and gearing, and described drive motor drives connection for transmission device, and described gearing comprises guide rail and guide pin bushing, and described guide pin bushing is movably sleeved on guide rail, and is connected with drive motor by tooth-like belt.
Preferably, described accurate detector also comprises an accurate positioning device, described accurate positioning device comprises a back up pad, arrange two cylinder axis on the supporting plate, arrange the strong adsorption device for adsorbing fixing tested part on the supporting plate, described cylinder axis perpendicular to back up pad reference field, be symmetrically distributed in contact pilotage moving direction both sides and settle on the supporting plate.
Preferably, described measuring mechanism is arranged on the jacking gear of guide rail, and the linear grating system in described measuring mechanism, nose circle concave grating data that system obtains process in real time through control treatment device simultaneously and realize accurately measuring.
Preferably, described accurate detector also comprises a specific criteria sample circle, and the cross section of described specific criteria sample circle is semicircular ring.
The accurate detector that the utility model provides is except accurately measuring huge pivoting support parts profile, also by specific stylus module, effectively avoiding contact pilotage to make when being subject to impacting core component sensor sustain damage, ensureing reliability and the measuring accuracy of whole accurate detector.
Accompanying drawing explanation
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
The structural representation of the accurate detector on the spot that Fig. 1 provides for the utility model;
Fig. 1 a is that nose circle concave grating is settled and operating diagram;
The structural representation of stylus module in the accurate detector on the spot that Fig. 2 provides for the utility model;
Fig. 3 is the left view of Fig. 2;
The structural representation of special sample circle in the accurate detector on the spot that Fig. 4 provides for the utility model.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
The accurate detector on the spot that the utility model provides is mainly used in the profile of pivoting support part in Precision measurement wind power generation plant on the spot and like parts.
In order to ensure the precision detected, the utility model, by adopting the method for contact scanning, utilizes two cover optical-mechanical systems to be recorded in respectively in scanning process to be parallel to tested part axially with perpendicular to the immediate movement of tested part axis, realizes accurately detecting; Solve because of tested part bulky by corresponding strong adsorption device again, measuring room cannot be sent into and carry out detecting and be difficult to pinpoint problem.
See Fig. 1, it is depicted as the accurate detector on the spot of the profile for accurately detecting the huge pivoting support part in wind power generation plant formed based on above-mentioned principle.
As seen from the figure, this is accurate detector 100 on the spot, mainly comprises a housing 110, measuring mechanism 120, driving mechanism 130, precision positioning mechanism 140 and control treatment device (not shown).
Wherein, housing 110 forms the load bearing component of whole accurate detector.Driving mechanism 130 and measuring mechanism 120 are placed in housing 110, precision positioning mechanism 140 and housing 110 are equipped with, part 200 to be detected is accurately located, control treatment device controls driving mechanism 130 and measuring mechanism 120 cooperating, controls driving mechanism 130 and drives measuring mechanism 120 accurately to detect by the pinpoint part 200 to be detected of precision positioning mechanism 140.
Concrete, driving mechanism 130 comprises drive motor 131, guide rail 132, guide pin bushing 133 and a tooth-like belt 134, drive motor 131 is fixedly mounted on guide rail 132 end face in housing 110, guide rail 132 and guide pin bushing 133 are fixedly mounted in housing 110, and coordinate with drive motor 131, form corresponding gearing.Guide rail 132 is fixed in frame, and guide pin bushing 133 is removable and be sleeved on guide rail 132, and this guide pin bushing 133 is connected with drive motor 131 by tooth-like belt 134, moves up and down under the drive of drive motor 131 along guide rail 132.Meanwhile, this guide pin bushing 133 is provided with the assembly of corresponding rotary hole 133a, for coordinating with the nose circle concave grating system 122 in measuring mechanism 120.The workplace of guide rail 132 has good rectilinearity, ensures that guide pin bushing 133 is in lifting process, operates steadily, and makes measured value accurately, reliably.
Measuring mechanism 120 comprises linear grating system 121, nose circle concave grating system 122 and stylus module 123.
Wherein, linear grating system 121, it is controlled by control treatment device, records axial displacement by stylus module 123.The dynamic grating of this linear grating system 121 is rigidly attached on guide pin bushing 133, and the quiet grating of linear grating system 121 is fixed on having on the parallel surface of the good depth of parallelism with workplace of guide rail 132.
Nose circle concave grating system 122, it is controlled by control treatment device, records radial displacement by stylus module 123.This nose circle concave grating system 122 is arranged on guide pin bushing 133 by the rotary hole 133a on guide pin bushing 133.
As shown in Figure 1a: this nose circle concave grating system 122 comprises extension spring 122a, quiet grating 122b, dynamic grating 122c, lever arm 122d, contiguous block 122e.Wherein, quiet grating 122b be placed on the contiguous block 122e that is connected with guide pin bushing 133, dynamic grating 122c is placed in the end face of lever arm 122d, when chaining pin 123c in proportion produces radial displacement by lever actuation grating 122c when scanning along measured piece during radial coordinate variation, in addition, for guaranteeing that chaining pin 123c contacts with measured piece all the time with low contact force, between guide pin bushing and lever arm 122d, settle an extension spring 122a.
Stylus module 123 is for carrying out contact scanning to tested part.As shown in Figures 2 and 3, it mainly comprises measuring staff 123a, measuring rod seat 123b, contact pilotage 123c and spring clamp 123d to the structure of this stylus module 123.
Wherein, measuring rod seat 123b is for settling measuring staff 123a, and its left surface is connected with the rotating shaft 123h in shaft hole 133a by two screws.This measuring rod seat 123b axially offers sounding rod resettlement groove 123e along it, and this resettlement groove 123e entirety is V-type groove, matches, can hold measuring staff 123a and be placed in wherein with measuring staff 123a, and it is spacing to move left and right formation to it; Meanwhile, this resettlement groove 123e radially offers stopper slot 123f at its end, and this stopper slot 123f matches with the register pin 123g on measuring staff 123a, is formed spacing to measuring staff 123a moving axially in resettlement groove 123e.This stopper slot 123f is v-notch, when can be moved up and down at resettlement groove 123e when not affecting completely measuring staff 123a by the stopper slot of this V-structure, being formed spacing, ensure its measuring accuracy to measuring staff 123a moving axially in resettlement groove 123e.
Measuring staff 123a entirety is cylindrical, its entirety is placed in the V-type resettlement groove 123e on measuring rod seat 123b, its bottom connects with measuring rod seat 123b by rotating shaft 123h is rotating, measuring staff 123a is provided with corresponding register pin 123g, this register pin 123g is when measuring staff 123a is placed in resettlement groove 123e, match with the stopper slot 123f on it, and assign into wherein; The top of measuring staff 123a is stretched out measuring rod seat along resettlement groove and connects contact pilotage 123c.
Spring clamp 123d its for forming downward pretightning force to measuring staff 123a, ensure measure time, the stylus tip of its full section is close to the profile of tested part all the time.One of this spring clamp 123d is connected with measuring rod seat 123b, and other end is that V-type pushes down measuring staff 123a downwards all the time.
The stylus module 123 formed thus, by rotating shaft 123h and rotary hole 133a precision-fit, when stylus scans, the perpendicular displacement because of analyzing spot makes measuring staff 123h rotation around the shaft; Measuring staff 123a is seated in measuring rod seat 123b, its entirety lies in the V-type groove of measuring rod seat, register pin 123g on measuring staff 123a to be located in measuring rod seat 123b in v-notch, ensure that measuring staff 123a can not move forward and backward along V-type resettlement groove, thus prevent spherical stylus to be subject to accidental shock coup injury core component sensor.
In addition, in housing 110, also have a sensor base plate 111, linear grating system 121, nose circle concave grating system 122 are all connected with control treatment device (not indicating in figure) by this sensor base plate 111.
Precision positioning mechanism 140 in this detector is accurately located for part to be detected.This precision positioning mechanism comprises a back up pad be connected with housing 141, this back up pad 141 is provided with two cylinder axis 142, two cylinder axis 142 are symmetrically distributed in the both sides of contact pilotage 123c motion track, and cylinder axis 142 perpendicular to back up pad 141 reference field and be placed in back up pad 141, the motion track of such contact pilotage and the bus of tested solid of revolution coincide, to guarantee that location is correct.
During in order to ensure to detect, do not produce relative motion between accurate detector and tested part on the spot, be provided with a strong adsorption device 143 on the supporting plate, in the present embodiment, strong adsorption device 143 is a magnetic block.
In addition, this programme, also on the basis of the detector formed based on such scheme, increases a special standard sample circle of Stability Analysis of Structures further, and the baseline profile of this sample circle must be demarcated through legal metrological service above the provincial level.See Fig. 4, the xsect of this special standard sample circle is semicircular ring, and its workplace and inside surface are semi-cylindricals.This special standard sample circle be used for instrument use before calibration, and through provincial, and municipal level legal metrological service calibrating and also effective before the deadline.
Below the process that the profile of the pivoting support part that the detector formed based on such scheme carries out in wind power generation plant carries out accurately detecting is described:
Participate in Fig. 1, first confirm the reference plane (i.e. the upper surface of tested part) of tested part 200, allow the reference plane (i.e. the lower surface of back up pad) of the back up pad 141 in precision positioning mechanism 140 overlap with it.Two cylinder axis in back up pad 141 and the face of cylinder of tested part closely sealed, magnetic block is in running order, detection system is controlled by control treatment device, after starter motor, drive stylus module is moved, by the displacement variable of linear grating system, nose circle concave grating system log (SYSLOG) stylus tip, namely obtained the numerical value of the profile of tested part by the data processing of software.
During detection, under the elastic force effect of spring clamp 123d, the tip of the contact pilotage 123c23c of stylus module is pressed on tested part 200, drive motor 131 drives guide pin bushing 133 to move up and down along guide rail 132, then whole measuring mechanism 120 is driven to move up and down along guide rail 132 by guide pin bushing 133, corresponding radial displacement will be produced moving up and down in process, simultaneously due to curved surface that the surface profile of tested part 200 is fluctuations, cause the tip of contact pilotage 123c under drive motor drives, except producing axial displacement, also produce radial displacement.Wherein, the dynamic grating of measuring mechanism 120 cathetus optical-mechanical system 121 moves up and down with guide pin bushing, the axial displacement at the tip of the read head recording stylus 123c of linear grating system 121; The tip of contact pilotage 123c produces radial displacement, the dynamic grating of nose circle concave grating system 122 is driven to rotate, this variable quantity of read head record of nose circle concave grating system 122, by control treatment device, this variable quantity is changed, calculate corresponding displacement, this displacement is the radial displacement at contact pilotage 123c tip, sets up the rectangular coordinate relation that contact pilotage is axial on tested part profile, radial direction moves change thus.For determining that the surface profile of tested part provides raw data, calculate the numerical value of profile through software.
Due to contact pilotage move radially by feeler lever have mercy on swivel point rotate realize, 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, revised by software.
More than show and describe ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. the accurate detector on the spot of the huge pivoting support parts profile of high reliability, this detector comprises driving mechanism, the measuring mechanism connected with driving mechanism and control the control treatment device of driving mechanism and measuring mechanism, it is characterized in that, described measuring mechanism comprises linear grating system, nose circle concave grating system and stylus module, described linear grating system controlled is in control treatment device, and by stylus module record tested part axial displacement, described nose circle concave grating system controlled is in control treatment device, and by stylus module record tested part radial displacement, described stylus module comprises measuring staff, measuring rod seat, contact pilotage and spring clamp, described measuring rod seat axially offers sounding rod resettlement groove along it, radially offer stopper slot, described measuring staff is provided with register pin, this measuring staff is arranged in the resettlement groove of measuring rod seat, register pin on it matches with the stopper slot on measuring rod seat, and the bottom of this measuring staff is connected with rotating shaft by measuring rod seat, and the top of measuring staff is stretched out measuring rod seat along resettlement groove and connects contact pilotage, described spring clamp one is connected with measuring rod seat, and measuring staff is pushed down in other end.
2. the accurate detector on the spot of the huge pivoting support parts profile of high reliability according to claim 1, it is characterized in that, described driving mechanism comprises drive motor and gearing, described drive motor drives connection for transmission device, described gearing comprises guide rail and guide pin bushing, described guide pin bushing is movably sleeved on guide rail, and is connected with drive motor by tooth-like belt.
3. the accurate detector on the spot of the huge pivoting support parts profile of high reliability according to claim 1 and 2, it is characterized in that, described accurate detector also comprises an accurate positioning device, described accurate positioning device comprises a back up pad, arrange two cylinder axis on the supporting plate, arrange the strong adsorption device for adsorbing fixing tested part on the supporting plate, described cylinder axis perpendicular to back up pad reference field, be symmetrically distributed in contact pilotage moving direction both sides and settle on the supporting plate.
4. the accurate detector on the spot of the huge pivoting support parts profile of high reliability according to claim 1, it is characterized in that, described measuring mechanism is arranged on the jacking gear of guide rail, and the linear grating system in described measuring mechanism, nose circle concave grating data that system obtains process in real time through control treatment device simultaneously and realize accurately measuring.
5. the accurate detector on the spot of the huge pivoting support parts profile of high reliability according to claim 1, is characterized in that, described accurate detector also comprises a specific criteria sample circle, and the cross section of described specific criteria sample circle is semicircular ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651599.5U CN204924197U (en) | 2015-08-26 | 2015-08-26 | Accurate detector on spot of huge slewing bearing part profile of high reliability |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520651599.5U CN204924197U (en) | 2015-08-26 | 2015-08-26 | Accurate detector on spot of huge slewing bearing part profile of high reliability |
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| CN204924197U true CN204924197U (en) | 2015-12-30 |
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| CN201520651599.5U Expired - Fee Related CN204924197U (en) | 2015-08-26 | 2015-08-26 | Accurate detector on spot of huge slewing bearing part profile of high reliability |
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Cited By (1)
| 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 |
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2015
- 2015-08-26 CN CN201520651599.5U patent/CN204924197U/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20190826 |