CN203432584U - Laser centering device - Google Patents
Laser centering device Download PDFInfo
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- CN203432584U CN203432584U CN201320526272.6U CN201320526272U CN203432584U CN 203432584 U CN203432584 U CN 203432584U CN 201320526272 U CN201320526272 U CN 201320526272U CN 203432584 U CN203432584 U CN 203432584U
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- laser
- bearing shell
- centering
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- shaft
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Abstract
The utility model relates to a laser centering device which mainly consists of a laser instrument, a dummy shaft, a dummy shaft bush, support legs, a balance device and the like, wherein the laser instrument is arranged on the dummy shaft; threaded holes are respectively formed in positions, at 0 degree, 180 degrees, 225 degrees and 315 degrees of two sides of the dummy shaft bush; the support legs are connected to the dummy shaft bush in a threaded manner; the extension lines of the support legs pass through the circle center. The utility model further relates to a method for centering by using the laser centering device. According to diameters of different shaft bushes, the axis center of the dummy shaft and the axis centers of the shaft bushes are at one horizontal line by adjusting the lengths of the support legs, and the centering operation is performed through the laser instrument. The laser centering device is simple, practical and reliable, problems in centering operation of the conventional multi-stage shaft bush are solved, the centering precision is high, the specialty of centering operation of the multi-stage shaft bush is reduced, and labor for centering operation of the shaft bush is saved.
Description
Technical field
The present invention relates to a kind of laser centring device, it is a kind of by regulating the supporting leg of laser centring device, allow dummy shaft in bearing shell shaft core position, and by the laser on dummy shaft, realize the instrument of bearing shell centering operation, belong to the laser alignment installing area of the set of equipments bearing shells such as large-scale multistage compressor and centrifugal pump.The invention still further relates to a kind of centering method of using this laser centring device.
Background technology
Flourish along with China's manufacturing industry, large-scale plant equipment is also widely used in a lot of enterprises, and becomes the economic lifeline of enterprise.But for some heavy mechanical equipments as multistage compressor, the bearing shell centering of the set of equipments such as centrifugal pump is installed, but become one a difficult problem is installed, existing method is above bearing shell, to draw wire, height by continuous adjusting steel wire makes it be in the concentric position of bearing shell, then with power lead, connect wire and bearing shell, earphone is connected on power lead, now power supply is in off state, then use milscale one end in contact wire, around wire, rotate, if can just can hear sound continuously, represent centering, if being interrupted, sound needs to readjust wire height, bearing shell centering progress is slow, and earphone listening methods needs more skilled employee to operate, during operation, hand can not be shaken, the method limitation is large, efficiency is low, take people time-consuming, and the bearing shell precision after centering is not high, the wearing and tearing of the heavy mechanical equipment after installation multiple axle or centrifugal shaft etc. when work are higher, serviceable life is short.
After Development of Laser Technology, a lot of people use laser to work out some and utilize centralising device and the centering operation of laser, and these laser centring device centerings are effective, but expensive, belong to exact instrument, in use, higher for environment for use and real user's requirement, centering method more complicated wherein, require the process of calculating very numerous and diverse, common people are difficult to grasp, and must professional operate, and greatly reduce the practicality of this technology.
Summary of the invention
For solving the technical matters existing in the bearing shell centering process of above-mentioned heavy mechanical equipment, the invention discloses a kind of laser centring device and centering method thereof, this device is compared and is had higher work efficiency with existing centering method, economizing people saves time, low cost of manufacture, accuracy of alignment is high, and the ,Wei enterprise in serviceable life of greatly having improved the rear multiple axle of heavy mechanical equipment installation or centrifugal shaft has brought a lot of economic benefits.In addition, this apparatus structure advantages of simple, simple to operate, easy for installation.
A kind of laser centring device, comprising: laser, dummy shaft, false bearing shell, supporting leg and balance device, it is characterized in that: described laser is arranged on dummy shaft, 0 ° of false bearing shell both sides, 180 °, locate to be respectively equipped with threaded hole for 225 ° and 315 °, supporting leg is threaded connection on false bearing shell, and the extended line of supporting leg is through the center of circle, and described laser 1 is provided with generating laser and receiver.Adjusting by eight supporting legs can allow the axle center of dummy shaft and the axle center of mechanical bearing shell on same level line, and carries out centering operation by laser.
As a modification of the present invention, described balance device consists of cylindrical weight, is arranged on the opposite side of dummy shaft.After adopting this design, the weight on dummy shaft both sides can balance, and laser can work, and columniform counterbalance weight can not affect dummy shaft and rotates in false bearing shell.
As a modification of the present invention, described balance device consists of a laser, is arranged on the opposite side of dummy shaft.After adopting this design, dummy shaft can keep equilibrium state in the time of work, and laser can accurately be worked, and can take middle bearing shell as standard, carries out centering operation to both sides, can improve centering efficiency.
As a modification of the present invention, described supporting leg is mainly comprised of rod-type micrometer inside caliper, and rod-type micrometer inside caliper is threaded connection and is arranged on false bearing shell.After adopting this design, improved the degree of regulation of supporting leg, the precision of centering operation is also improved greatly.
As a modification of the present invention, described rod-type micrometer inside caliper is mainly by differential head, and gib screw and extension bar form, and the rod-type micrometer inside caliper of different size all has the extension bar of different size, and gib screw is arranged on differential head.After adopting this design, differential head is mainly responsible for fine adjustment, and extension bar is mainly responsible for coarse adjustment, can guarantee that like this usable range of laser centring device more strengthens, and precision is high, easy to maintenance.
In order to improve precision and the speed to the centering operation of multistage bearing shell, centering operation of the present invention comprises following step:
Step 1: diameter or the radius of preliminary surveying big machinery bearing shell, then, according to the data of measuring, the extension bar and the differential head that combine two laser centring devices make it reach needed measurement and centering scope;
Step 2: the bearing shell of a selected plant equipment is reference data, then a laser centring device is placed on selected bearing shell, it is example that using method of the present invention is selected first bearing shell, regulate the supporting leg of 0 ° of laser centring device and 180 °, make the differential head of rod-type micrometer inside caliper encounter 180 ° of opening parts of bearing shell, guarantee simultaneously 0 ° identical with the rod-type micrometer inside caliper reading of 180 ° of positions, then screw is tightened, regulate again all the other supporting legs, make its reading identical with the reading of 0 ° and 180 ° position supporting leg, now dummy shaft reaches bearing shell concentric position,
Step 3: second laser centring device is placed on adjacent bearing shell, and laser is relative, guarantees transmitting and the reception of laser.The adjusting of supporting leg is identical with step 2;
Step 4: the laser of two laser centring devices is opened, rotation by dummy shaft on false bearing shell realizes 3 centerings, i.e. 9 points, 12 points, 3 positions, the transmitting and the situation that receives rear data processing of by the controller of laser, feeding back 3 position laser, and can synchronously provide adjustment scheme, as second bearing shell few distance on the high side etc. left, according to the data of feeding back on laser controller and adjustment scheme, carry out bearing shell adjustment, make the concentric centering of two bearing shell;
Step 5: second laser centring device is placed on the 3rd bearing shell, then according to step 2, step 3, step 4, first makes its concentric centering with the 3rd bearing shell to carry out centering, same method and step be with the remaining bearing shell of this centering, because being all take first bearing shell as with reference to bearing shell, so all bearing shells of adjusting are afterwards all concentric centerings.
This scheme can clearly state the using method of laser centring device, adopt in this way can the large-scale multistage bearing shell of simple realization centering operation, accuracy is high.
As a kind of improvement of this scheme, selected middle bearing shell, as with reference to benchmark, is placed on two laser centralising devices on the bearing shell of selected reference data, and centering operation is carried out with single laser centralising device in both sides simultaneously.
The benefit of this laser centring device and centering method: the extension bar of the rod-type micrometer inside caliper that 1, this laser centring device can be by different size combines, and installs to adapt to the centering of different size main equipment bearing shell.2, it is time saving and energy saving that this device is economized people, overcome deficiency and the limitation of traditional earphone listening methods.3, safety easy to use, accuracy of alignment is high, has improved the serviceable life of work efficiency and main equipment multiple axle and centrifugal shaft etc., and economic benefit is high.4, this apparatus structure advantages of simple, low cost of manufacture, has met the demand that main equipment bearing shell centering is installed.5, practical simple, greatly reduce centering operation professional of multistage bearing shell.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention,
Fig. 2 is working position of the present invention one schematic diagram,
Fig. 3 is working position of the present invention two schematic diagram,
Fig. 4 is of the present invention pair of laser centralising device working position one schematic diagram,
Fig. 5 is of the present invention pair of laser centralising device working position two schematic diagram,
Reference numerals list: 1-laser, 2-dummy shaft, 3-cylindrical weight, 4-false bearing shell, 5-extension bar, 6-differential head, 7-gib screw, 8-laser centring device, 9-bearing shell, 10-bis-laser centralising devices.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the present invention.
embodiment 1:
Visible by reference to the accompanying drawings, a kind of laser centring device, comprising: laser 1, dummy shaft 2, false bearing shell 4, supporting leg and balance device, is characterized in that: described laser is arranged on dummy shaft, 0 ° of false bearing shell both sides, 180 °, locate to be respectively equipped with threaded hole for 225 ° and 315 °, supporting leg is threaded connection on false bearing shell, and the extended line of supporting leg is through the center of circle, and described laser 1 is provided with generating laser and receiver.Adjusting by four supporting legs can allow the axle center of dummy shaft 2 and the axle center of bearing shell to be measured 9 on same level line, and carries out centering operation by laser.
embodiment 2:
As a modification of the present invention, described balance device consists of cylindrical weight 3, is arranged on the opposite side of dummy shaft 2.After adopting this design, the weight on dummy shaft 2 both sides can balance, and laser 1 can work, and cylindrical weight 3 can not affect dummy shaft 2 and rotates in false bearing shell 4.All the other design features are identical with embodiment 1 with advantage.
embodiment 3:
As a modification of the present invention, described balance device consists of a laser 1, is arranged on the opposite side of dummy shaft 2.After adopting this design, dummy shaft 2 can keep equilibrium state in the time of work, and laser 1 can accurately be worked, and can take centre as standard, carries out centering operation to both sides, can improve centering efficiency.All the other structures are identical with embodiment 1 with advantage.
embodiment 4:
As a modification of the present invention, described supporting leg is mainly comprised of rod-type micrometer inside caliper, and rod-type micrometer inside caliper is threaded connection and is arranged on false bearing shell 4.After adopting this design, the precision of the adjusting of supporting leg can improve, and the precision of centering operation is improved.All the other structures are identical with embodiment 1 with advantage.
embodiment 5:
As a modification of the present invention, described rod-type micrometer inside caliper is mainly by differential head 6, and gib screw 7 and extension bar 5 form, and the rod-type micrometer inside caliper of different size all has different size extension bars 5, and gib screw 7 is arranged on differential head 6.After adopting this design, the main responsible meticulous adjusting of differential head 6, the main responsible coarse adjustment of extension bar 5, can guarantee that like this usable range of laser centring device more strengthens, and precision is high, easy to maintenance.All the other structures are identical with embodiment 1 with advantage.
embodiment 6:
In order to improve precision and the speed to the centering operation of multistage bearing shell, centering operation of the present invention comprises following step:
Step 1: diameter or the radius of preliminary surveying big machinery bearing shell, then, according to the data of measuring, the extension bar 5 of combination laser centralising device and differential head 6 make it reach needed measurement and centering scope;
Step 2: the bearing shell 9 of a selected plant equipment is reference data, then a laser centring device 8 is placed on selected bearing shell 9, it is example that using method of the present invention is selected first bearing shell, regulate the supporting leg of 0 ° of laser centring device and 180 °, make the differential head 6 of rod-type micrometer inside caliper encounter 180 ° of opening parts of bearing shell, guarantee simultaneously 0 ° identical with the rod-type micrometer inside caliper reading of 180 ° of positions, then screw 7 is tightened, regulate again all the other supporting legs, make its reading identical with the reading of 0 ° and 180 ° position supporting leg, now dummy shaft 2 reaches bearing shell 9 concentric positions,
Step 3: second laser centring device 8 is placed on adjacent bearing shell 9, and laser is relative, guarantees transmitting and the reception of laser.The adjusting of supporting leg is identical with step 2;
Step 4: the laser of two laser centring devices 8 is opened, rotation by dummy shaft 2 on false bearing shell 4 realizes 3 centerings, i.e. 9 points, 12 points, 3 positions, the transmitting and the situation that receives rear data processing of by the controller of laser, feeding back 3 position laser, and can synchronously provide adjustment scheme, as second bearing shell 9 few distance on the high side etc. left, according to the data of feeding back on laser controller and adjustment scheme, carry out bearing shell adjustment, make the concentric centering of two bearing shell;
Step 5: second single laser centralising device 8 is placed on the 3rd bearing shell, then according to step 2, step 3, step 4, first makes its concentric centering with the 3rd bearing shell 9 to carry out centering, same method and step be with the remaining bearing shell 9 of this centering, because being all take first bearing shell 9 as with reference to bearing shell, so all bearing shells of adjusting are afterwards all concentric centerings.
This scheme can clearly state the using method of laser centring device, adopt in this way can the large-scale multistage bearing shell of simple realization centering operation, accuracy is high.
embodiment 7:
As a kind of improvement of this scheme, selected middle bearing shell, as with reference to benchmark, is placed on two laser centralising devices 10 on the bearing shell of selected reference data, and centering operation is carried out with single laser centralising device 8 in both sides simultaneously.After adopting this scheme, can greatly improve the efficiency of centering operation.Remaining method is a little identical with embodiment 6.
The present invention can also be combined into new embodiment by the technical characterictic described in embodiment 2,3,4,5 at least one and embodiment 1.
In order to improve precision and the speed to the centering operation of multistage bearing shell, centering operation of the present invention comprises following step:
Step 1: diameter or the radius of preliminary surveying big machinery bearing shell, then, according to the data of measuring, the extension bar and the differential head that combine two laser centring devices make it reach needed measurement and centering scope;
Step 2: the bearing shell of a selected plant equipment is reference data, then a laser centring device is placed on selected bearing shell, it is example that using method of the present invention is selected first bearing shell, regulate the supporting leg of 0 ° of laser centring device and 180 °, make the differential head of rod-type micrometer inside caliper encounter 180 ° of opening parts of bearing shell, guarantee simultaneously 0 ° identical with the rod-type micrometer inside caliper reading of 180 ° of positions, then screw is tightened, regulate again all the other supporting legs, make its reading identical with the reading of 0 ° and 180 ° position supporting leg, reach bearing shell concentric position;
Step 3: second laser centring device is placed on adjacent bearing shell, and laser is relative, guarantees transmitting and the reception of laser.The adjusting of supporting leg is identical with step 2;
Step 4: the laser of two laser centring devices is opened, and the rotation by dummy shaft on false bearing shell realizes 3 centerings, i.e. 9 points, 12 points, 3 positions.By the controller of laser, feed back the transmitting and the situation that receives rear data processing of 3 position laser, and can synchronously provide adjustment scheme, as second bearing shell few distance on the high side etc. left, according to the data of feeding back on laser controller and adjustment scheme, carry out bearing shell adjustment, make the concentric centering of two bearing shell;
Step 5: second laser centring device is placed on the 3rd bearing shell, then according to step 2, step 3, step 4, first makes its concentric centering with the 3rd bearing shell to carry out centering, same method and step be with the remaining bearing shell of this centering, because being all take first bearing shell as with reference to bearing shell, so all bearing shells of adjusting are afterwards all concentric centerings.
The disclosed technological means of the present invention program is not limited only to the disclosed technological means of above-mentioned technological means, also comprises the technical scheme being comprised of above technical characterictic combination in any.
Claims (5)
1. a laser centring device, comprising: laser (1), dummy shaft (2), false bearing shell (4), supporting leg and balance device, it is characterized in that: it is upper that described laser (1) is arranged on dummy shaft (2), 0 ° of false bearing shell (4) both sides, 180 °, locate to be respectively equipped with threaded hole for 225 ° and 315 °, supporting leg is threaded connection at false bearing shell (4) upper, and the extended line of supporting leg is through the center of circle, and described laser (1) is provided with generating laser and receiver.
2. laser centring device according to claim 1, is characterized in that: described balance device consists of cylindrical weight (3), is arranged on the opposite side of dummy shaft.
3. laser centring device according to claim 1 and 2, is characterized in that: described balance device consists of a laser (1), is arranged on the opposite side of dummy shaft.
4. laser centring device according to claim 1 and 2, is characterized in that: described supporting leg is mainly comprised of rod-type micrometer inside caliper, and rod-type micrometer inside caliper is threaded connection and is arranged on false bearing shell.
5. laser centring device according to claim 4, it is characterized in that: described rod-type micrometer inside caliper is mainly by differential head (6), gib screw (7) and extension bar (5) form, the rod-type micrometer inside caliper of different size all has extension bar (5) and the differential head (6) of different size, and gib screw (7) is arranged on differential head (6).
Priority Applications (1)
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CN201320526272.6U CN203432584U (en) | 2013-08-28 | 2013-08-28 | Laser centering device |
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CN201320526272.6U CN203432584U (en) | 2013-08-28 | 2013-08-28 | Laser centering device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103411592A (en) * | 2013-08-28 | 2013-11-27 | 南京南化建设有限公司 | Laser centering device and centering method thereof |
CN110954046A (en) * | 2019-11-05 | 2020-04-03 | 内蒙古北方重工业集团有限公司 | Automatic taper hole centering device and taper hole taper measuring method thereof |
CN111174750A (en) * | 2020-02-19 | 2020-05-19 | 黑龙江工业学院 | Pipe fitting lateral wall straightness accuracy measuring tool |
CN115502783A (en) * | 2021-12-31 | 2022-12-23 | 霍山嘉远智能制造有限公司 | Automatic frock that multiplex spare was aimed at |
-
2013
- 2013-08-28 CN CN201320526272.6U patent/CN203432584U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103411592A (en) * | 2013-08-28 | 2013-11-27 | 南京南化建设有限公司 | Laser centering device and centering method thereof |
CN110954046A (en) * | 2019-11-05 | 2020-04-03 | 内蒙古北方重工业集团有限公司 | Automatic taper hole centering device and taper hole taper measuring method thereof |
CN111174750A (en) * | 2020-02-19 | 2020-05-19 | 黑龙江工业学院 | Pipe fitting lateral wall straightness accuracy measuring tool |
CN111174750B (en) * | 2020-02-19 | 2021-04-13 | 黑龙江工业学院 | Pipe fitting lateral wall straightness accuracy measuring tool |
CN115502783A (en) * | 2021-12-31 | 2022-12-23 | 霍山嘉远智能制造有限公司 | Automatic frock that multiplex spare was aimed at |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20140212 Effective date of abandoning: 20150729 |
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RGAV | Abandon patent right to avoid regrant |