CN107727006A - A kind of bearing centralising device - Google Patents
A kind of bearing centralising device Download PDFInfo
- Publication number
- CN107727006A CN107727006A CN201710658677.8A CN201710658677A CN107727006A CN 107727006 A CN107727006 A CN 107727006A CN 201710658677 A CN201710658677 A CN 201710658677A CN 107727006 A CN107727006 A CN 107727006A
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- CN
- China
- Prior art keywords
- bearing
- semiconductor laser
- guide rod
- grip block
- type grip
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Classifications
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical 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)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of bearing centralising device, its innovative point is：The bearing centralising device includes：Semiconductor laser, optoelectronic semiconductor position sensor, V-type grip block, testing of electric motors, standard axle, bearing and guide rod；By using two-beam semiconductor laser apparatus and optoelectronic semiconductor position sensor, so that semiconductor laser and optoelectronic semiconductor position sensor carry out mutual laser projection and reception on two groups of bearing centralising devices, rotated on bearings by motor driven standard axle, pass through the coaxiality deviation of testing standard axle, and corresponding data collecting system is adjusted to realize to position of bearings, realize and high-precision coaxial degree adjustment is carried out to combination bearing apart from each other, the coaxial accuracy of bearing group is improved, is reduced using damage during machine.
Description
Technical field
The present invention relates to field of bearings, more particularly to a kind of bearing centralising device.
Background technology
In large-scale, the valuable plant equipment for needing driving shaft to drive driven shaft rotation, the center line of two bearings is detected i.e.
It is a highly important step in the assembly works such as dynamic power machine that whether alignment degree, which overlaps,.If centering is good, machine breakdown will subtract
Few, catastrophic failure is prevented and maintenance time is reduced.Empirical evidence, brigadier does not cause mechanical failure for centering, serious
Operating personnel's life security will be endangered.
First laser alignment instrument in the world has been invented in the company's design of beginning of the eighties in last century Germany Pu Lufu.Laser alignment
The successful invention of instrument allow set operating personnel quickly and accurately will need centering equipment carry out centering debugging.In full generation
Boundary has many countries to manufacture laser alignment instrument, and laser alignment instrument better performances of Germany, stability are strong among this.Except this
Also have in addition:(1) the professional laser alignment instruments of R0 TALIGN.PRO.(2) Nov Align Shaft laser alignment instruments.(3)
Easy-Laser Alignment Tool (4) D525 Mobyneb laser alignment instruments.(5) Fixtur Laser Shaft laser
Centering instrument.(6) Master Lign Basic Laser Shaft Alignment etc..Among this, the precision of some instruments reaches
To 1 μm, measurement distance reaches more than l0m, can realize the centering demand under various operating modes substantially.
Because centering instrument has lot of advantages, domestic many experts have done substantial amounts of research to bearing centering technology.
Laser alignment instrument has number of different types, can be divided into according to structure:Single laser beam (LD) and single PSD types;Single laser beam (LD) and
Double PSD types;Double laser beam (LD) and double PSD types.
Semiconductor laser（semiconductor laser）Refer to one kind using semiconductor crystal as working media
Laser, this kind of device are widely used in photoelectric technology research field；Optoelectronic semiconductor position sensor (PSD) is using non-
The lateral photo effect measurement incident light of uniform semiconductor and a kind of photoelectric instrument of particle position, in the work of lateral photo effect
Under, light source, which is radiated at PSD photosurfaces, potential difference is produced in the parallel direction of pitch plane, is divided in diffusion layer photoelectric current
Stream, absorb photoelectric current using four electrodes at edge.The position of centre of gravity of irradiation hot spot influences the size that photoelectric current is absorbed by the electrode,
And so knows that electrode glazing size of current can calculates the coordinate position of launching spot on photosurface.
Purpose based on shafting bearing centering is that the center line for making each bearing of unit reaches coincidence, makes power transmission shaft at work
Stable state can be kept, when being rotated by shaft coupling connection, eliminates axle unnecessary stress at shaft coupling, so that it is guaranteed that
The long-term safety operation of a whole set of unit.Therefore, ensure the axiality based on shafting bearing in installation and maintenance process, be to ensure just
The ring of key one often run, is the necessary condition for preventing catastrophic failure.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of bearing centralising device, it can solve the problem that bearing group when mounted
The problem of central coaxial degree difference, the precision of axiality, coaxial precision can reach 10 μm, reduce when improving bearing group installation
Damage to machine.
In order to solve the above technical problems, the technical scheme is that：A kind of bearing centralising device, its innovative point are：
The bearing centralising device includes：Semiconductor laser, optoelectronic semiconductor position sensor, V-type grip block, testing of electric motors, standard
Axle, bearing and guide rod；
Semiconductor laser and the optoelectronic semiconductor position sensor is arranged in a mounting box, semiconductor laser and light
Electric semiconductor position sensor presents lower placement in mounting box, the semiconductor laser in the mounting box in the horizontal direction and
Vertical direction both sides are respectively arranged with adjusting nut, and the adjusting nut a of horizontal direction side and the side of semiconductor laser one are straight
Connect connected, spring a is provided between the adjusting nut b of opposite side and the opposite side of semiconductor laser；Positioned at semiconductor laser
Adjusting nut c on the upside of device and spring b, the tune of the downside of semiconductor laser are provided between the upper surface of semiconductor laser
Section nut d is joined directly together with semiconductor laser；The optoelectronic semiconductor laser is located at optoelectronic semiconductor position sensor
Lower section, and be fixedly mounted in mounting box, the mounting box in the vertical direction is provided with guide rod hole；
The guide rod has a pair, and the bottom of guide rod is arranged on the upper surface of V-type grip block, and this be arranged in parallel vertically to guide rod,
Mounting box is connected on guide rod, is slided up and down and can be fixed by fixing nut on guide rod along guide rod；
The V-type grip block is located at the lower section of guide rod, and V-type grip block has a pair, and V-type, which accommodates block, includes fixed block and V-block,
V-block is connected on fixed block, and V-block in the vertical direction V-type mouth is oppositely arranged；The bearing between V-type grip block,
The V-type grip block is fastened by bolts connected, and bearing is clamped；
The testing of electric motors is located at V-type grip block side, the clamping that the output port of testing of electric motors is formed with this to V-type grip block
Mouth alignment；The standard axle is arranged on the bearing centralising device being oppositely arranged, the both ends of standard axle and motor connection, standard axle
It is embedded in bearing, bearing rotary is surrounded under the drive of motor；
The semiconductor laser swashs in the central axis and semiconductor of the adjusting nut vertically and horizontally set
The center line axis of light device, three axis intersect at a point in three dimensions；
The perpendicularity that the guide rod is vertically connected on V-type grip block is less than 0.05 °/100mm.
The advantage of the invention is that：By using two-beam semiconductor laser apparatus and optoelectronic semiconductor position sensor, make
Obtain semiconductor laser and optoelectronic semiconductor position sensor carries out mutual laser projection and connect on two groups of bearing centralising devices
Receive, rotated on bearings by motor driven standard axle, by the coaxiality deviation of testing standard axle, and corresponding data are adopted
Collecting system is adjusted to realize to position of bearings, realizes and carries out high-precision coaxial degree tune to combination bearing apart from each other
It is whole, the coaxial accuracy of bearing group is improved, is reduced using damage during machine.
Brief description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is bearing centralising device stereogram.
Fig. 2 is the side view of bearing centralising device.
Fig. 3 is the A-A sectional views of bearing centralising device.
Fig. 4 is the mounting box B-B sectional views of bearing centralising device.
Fig. 5 is the mounting box C-C sectional views of bearing centralising device.
Embodiment
The following examples can make professional and technical personnel that the present invention be more fully understood, but therefore not send out this
It is bright to be limited among described scope of embodiments.
A kind of bearing centralising device as shown in Figures 1 to 5, the bearing centralising device include：Semiconductor laser 1, light
Electric semiconductor position sensor 2, V-type grip block 3, testing of electric motors 4, standard axle 5, bearing 6 and guide rod 7.
Semiconductor laser 1 and optoelectronic semiconductor position sensor 2 are arranged in a mounting box 8, semiconductor laser 1
Lower placement is presented in mounting box 8 with optoelectronic semiconductor position sensor 2, and the semiconductor laser 1 in the mounting box 8 is in water
Square adjusting nut 11 is respectively arranged with to vertical direction both sides, adjusting nut 11a and the semiconductor of horizontal direction side swash
The side of light device 1 one is joined directly together, and spring is provided between the adjusting nut 11b of opposite side and the opposite side of semiconductor laser 1
12a；Spring is provided between the adjusting nut 11c of the upside of semiconductor laser 1 and the upper surface of semiconductor laser 1
12b, adjusting nut 11d and the semiconductor laser 1 of the downside of semiconductor laser 1 are joined directly together；The optoelectronic semiconductor position
Put detector 2 and be located at the lower section of semiconductor laser 1, and be fixedly mounted in mounting box 8, the mounting box 8 is in vertical direction
On be provided with guide rod hole.
Guide rod 7 has a pair, and the bottom of guide rod 7 is arranged on the upper surface of V-type grip block 3, and this is vertical to guide rod 7 parallel to set
Put, mounting box 8 is connected on guide rod 7, is slided up and down and can be fixed by fixing nut on guide rod along guide rod 7；
V-type grip block 3 is located at the lower section of guide rod 7, and V-type grip block 3 has a pair, and V-type, which accommodates block 3, includes fixed block 31 and V-type
Block 32, V-block 32 are connected on fixed block 31, and the in the vertical direction V-type mouth of V-block 32 is oppositely arranged；The bearing is located at V-type
Between grip block 3, the V-type grip block 3 is fastened by bolts connected, and bearing 6 is clamped；
Testing of electric motors 4 is located at the side of V-type grip block 3, the clamping that the output port of testing of electric motors 3 is formed with this to V-type grip block 3
Mouth alignment；The standard axle 5 is arranged on the bearing centralising device being oppositely arranged, and the both ends of standard axle 5 are connected with motor 4, mark
Fiducial axis 5 is embedded in bearing 6, is rotated under the drive of motor 4 around bearing 6.
Central axis and semiconductor of the semiconductor laser 1 in the adjusting nut 1 vertically and horizontally set
The center line axis of laser 1, three axis intersect at a point in three dimensions.
The perpendicularity that guide rod 7 is vertically connected on V-type grip block 3 is less than 0.05 °/100mm.
The operation principle of the bearing centralising device is：By launching simultaneously on two groups of bearing centralising devices and receiving laser
The measuring appliance of device, the laser beam that two semiconductor laser transmitters are sent are beaten when on corresponding detector, and it is small can to form one
The irradiation area of piece, after main frame is by computing, the center of energy point of the irradiation area just can be drawn, when axle rotates, light beam
Center of energy point can also be moved in corresponding detector face, centering instrument can calculate the coaxial of measured bearing according to each displacement
Spend deviation.
It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment and explanation
Merely illustrating the principles of the invention described in book, without departing from the spirit and scope of the present invention, the present invention also have
Various changes and modifications, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention
By appended claims and its equivalent thereof.
Claims (1)
- A kind of 1. bearing centralising device, it is characterised in that：The bearing centralising device includes：Semiconductor laser, optoelectronic semiconductor Position sensor, V-type grip block, testing of electric motors, standard axle, bearing and guide rod；Semiconductor laser and the optoelectronic semiconductor position sensor is arranged in a mounting box, semiconductor laser and light Electric semiconductor position sensor presents lower placement in mounting box, the semiconductor laser in the mounting box in the horizontal direction and Vertical direction both sides are respectively arranged with adjusting nut, and the adjusting nut a of horizontal direction side and the side of semiconductor laser one are straight Connect connected, spring a is provided between the adjusting nut b of opposite side and the opposite side of semiconductor laser；Positioned at semiconductor laser Adjusting nut c on the upside of device and spring b, the tune of the downside of semiconductor laser are provided between the upper surface of semiconductor laser Section nut d is joined directly together with semiconductor laser；The optoelectronic semiconductor position sensor is located at the lower section of semiconductor laser, And be fixedly mounted in mounting box, the mounting box in the vertical direction is provided with guide rod hole；The guide rod has a pair, and the bottom of guide rod is arranged on the upper surface of V-type grip block, and this be arranged in parallel vertically to guide rod, Mounting box is connected on guide rod, is slided up and down and can be fixed by fixing nut on guide rod along guide rod；The V-type grip block is located at the lower section of guide rod, and V-type grip block has a pair, and V-type, which accommodates block, includes fixed block and V-block, V-block is connected on fixed block, and V-block in the vertical direction V-type mouth is oppositely arranged；The bearing between V-type grip block, The V-type grip block is fastened by bolts connected, and bearing is clamped；The testing of electric motors is located at V-type grip block side, the clamping that the output port of testing of electric motors is formed with this to V-type grip block Mouth alignment；The standard axle is arranged on the bearing centralising device being oppositely arranged, the both ends of standard axle and motor connection, standard axle It is embedded in bearing, bearing rotary is surrounded under the drive of motor；The semiconductor laser swashs in the central axis and semiconductor of the adjusting nut vertically and horizontally set The center line axis of light device, three axis intersect at a point in three dimensions；The perpendicularity that the guide rod is vertically connected on V-type grip block is less than 0.05 °/100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658677.8A CN107727006A (en) | 2017-08-04 | 2017-08-04 | A kind of bearing centralising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710658677.8A CN107727006A (en) | 2017-08-04 | 2017-08-04 | A kind of bearing centralising device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107727006A true CN107727006A (en) | 2018-02-23 |
Family
ID=61204605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710658677.8A Pending CN107727006A (en) | 2017-08-04 | 2017-08-04 | A kind of bearing centralising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107727006A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827044A (en) * | 2019-04-11 | 2019-05-31 | 南京汽轮电机(集团)有限责任公司 | A kind of gas turbine unit laser looks for middle instrument bracket |
| CN110470249A (en) * | 2019-09-26 | 2019-11-19 | 中冶建工集团有限公司 | The detection method of long range straight tube pipeline connection offset |
| CN113834473A (en) * | 2020-06-23 | 2021-12-24 | 中冶宝钢技术服务有限公司 | Auxiliary centering support |
| FR3111831A1 (en) * | 2020-06-24 | 2021-12-31 | Safran Aircraft Engines | LASER POSITIONING DEVICE FOR TURBOMACHINE |
| CN115235384A (en) * | 2022-07-21 | 2022-10-25 | 东风汽车集团股份有限公司 | Laser rotary centering device |
-
2017
- 2017-08-04 CN CN201710658677.8A patent/CN107727006A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827044A (en) * | 2019-04-11 | 2019-05-31 | 南京汽轮电机(集团)有限责任公司 | A kind of gas turbine unit laser looks for middle instrument bracket |
| CN109827044B (en) * | 2019-04-11 | 2024-03-08 | 南京汽轮电机(集团)有限责任公司 | Laser centering instrument bracket of gas turbine unit |
| CN110470249A (en) * | 2019-09-26 | 2019-11-19 | 中冶建工集团有限公司 | The detection method of long range straight tube pipeline connection offset |
| CN113834473A (en) * | 2020-06-23 | 2021-12-24 | 中冶宝钢技术服务有限公司 | Auxiliary centering support |
| FR3111831A1 (en) * | 2020-06-24 | 2021-12-31 | Safran Aircraft Engines | LASER POSITIONING DEVICE FOR TURBOMACHINE |
| CN115235384A (en) * | 2022-07-21 | 2022-10-25 | 东风汽车集团股份有限公司 | Laser rotary centering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180223 |