CN114812356A - Alignment method of direct connection type high-speed operation unit - Google Patents
Alignment method of direct connection type high-speed operation unit Download PDFInfo
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- CN114812356A CN114812356A CN202210528619.4A CN202210528619A CN114812356A CN 114812356 A CN114812356 A CN 114812356A CN 202210528619 A CN202210528619 A CN 202210528619A CN 114812356 A CN114812356 A CN 114812356A
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- centering
- guide rod
- fixed end
- floating
- fixed
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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
- G01B5/252—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 for measuring eccentricity, i.e. lateral shift between two parallel axes
-
- 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
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
- G01B5/0004—Supports
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
A centering method of a direct connection type high-speed running unit is characterized in that a fixed end connecting component is fixed on a fixed end of a unit needing centering; the fixed end connecting assembly is connected with a centering measuring assembly, and the centering measuring assembly comprises a first adjustable length guide rod and a second adjustable length guide rod; a radial measuring dial indicator is arranged on the first adjustable length guide rod, and an end face measuring dial indicator is arranged on the second adjustable length guide rod; the radial measuring dial indicator abuts against the excircle of the floating end of the unit to be centered, and the end face measuring dial indicator abuts against the end face of the floating end of the unit to be centered; and then rotating the fixed end and the floating end of the unit to be centered, and performing centering adjustment according to the readings of the radial measurement dial indicator and the end surface measurement dial indicator. By adjusting the lengths of the first adjustable-length guide rod and the second adjustable-length guide rod, the problem that the magnetic meter frame is limited at a long interval in the traditional mode can be solved; the tail floating end is additionally provided with a connecting structure for fixing the floating end of the guide rod under large deflection, so that the measurement precision is ensured.
Description
Technical Field
The invention relates to a method for centering a direct connection type high-speed running unit.
Background
For the direct-connection type high-speed running unit, the driving machine is connected with the driven end equipment through a middle section connection mechanism. Whether the driving end and the driven end equipment are in the middle connection section or not directly influences the efficient and reliable operation of the whole equipment. At present, laser centering instruments are used as main centering adjusting equipment, but restriction factors such as high equipment cost and high requirements on operators exist, and the laser centering instruments are mainly used in original factories of equipment manufacturers.
For many large and medium-sized units, after the large and medium-sized units are sent to a client by an original factory, secondary centering rechecking needs to be carried out on the site again, at the moment, the traditional measuring mode of a magnetic force gauge frame and a dial indicator is mostly adopted, the radial measuring dial indicator and the end face measuring dial indicator are adopted to carry out data measurement on the excircle and the end face of the floating end of the unit, and centering adjustment is carried out according to the measured data. In consideration of the reasons that the external circle radial runout and the end face runout need to be measured in sequence, the self error of the magnetic gauge stand and the like, the problems of long centering period, low measurement precision, poor adaptability of different wheelbases and the like generally exist.
Disclosure of Invention
In order to overcome the defects of the existing alignment method of the direct-connection high-speed running unit, the invention provides the alignment method of the direct-connection high-speed running unit, which is simple and convenient to operate and is suitable for different wheelbases.
The technical scheme for solving the technical problem is as follows: a centering method of a direct connection type high-speed running unit is characterized in that a fixed end connecting component is fixed on a fixed end of a unit needing centering;
the fixed end connecting assembly is connected with a centering measuring assembly, and the centering measuring assembly comprises a first adjustable length guide rod and a second adjustable length guide rod;
a radial measuring dial indicator is arranged on the first adjustable length guide rod, and an end face measuring dial indicator is arranged on the second adjustable length guide rod;
after the radial measuring dial indicator and the end face measuring dial indicator are installed, the radial measuring dial indicator and the end face measuring dial indicator are perpendicular to each other, the radial measuring dial indicator abuts against an excircle of a floating end of the unit to be centered, and the end face measuring dial indicator abuts against an end face of the floating end of the unit to be centered;
and then rotating the fixed end and the floating end of the unit to be centered, and performing centering adjustment according to the readings of the radial measurement dial indicator and the end surface measurement dial indicator.
Further, the fixed end connecting assembly comprises a fixed end locking block and a fixed end locking mechanism;
the fixed end locking block is erected on the excircle of the fixed end of the centering unit, and the fixed end locking mechanism is used for locking.
Furthermore, the lower extreme of stiff end locking block be equipped with the recess, stiff end locking block erect on the excircle of the stiff end that needs centering unit in the recess department.
Further, the fixed end locking mechanism comprises a fixed end locking chain and a fixed end hanging mechanism arranged on the fixed end locking block, wherein one end of the fixed end locking chain is a connecting end, and the other end of the fixed end locking chain is a free end;
the connecting end of the fixed end locking chain is fixed on the fixed end locking block, the fixed end locking chain surrounds the excircle of the fixed end of the unit to be centered and is tensioned, and the free end of the fixed end locking chain is hung on the fixed end hanging mechanism.
Further, the stiff end hang hold the mechanism include the stiff end peg, the stiff end peg penetrate stiff end latch segment, the end of stiff end peg exposes the stiff end latch segment outside and its end be equipped with the stiff end couple, the free end of stiff end locking chain is hung and is held the stiff end couple on.
Furthermore, the fixed end hanging rod is in threaded connection with the fixed end locking block.
Further, the stiff end peg on still be equipped with stiff end lock nut, stiff end lock nut will the stiff end peg lock be in stiff end latch segment on.
Furthermore, the first length-adjustable guide rod and the second length-adjustable guide rod are both composed of a plurality of branch rods, and the branch rods are in threaded connection.
Furthermore, the front end of the first length-adjustable guide rod and the front end of the second length-adjustable guide rod are connected to the fixed end locking block.
Furthermore, a floating end connecting assembly is arranged at the floating end of the unit to be centered, and the rear end of the first length-adjustable guide rod and the rear end of the second length-adjustable guide rod are connected to the floating end connecting assembly.
Furthermore, the floating end connecting assembly comprises a floating end locking block and a floating end locking mechanism;
the floating end locking block is erected on the floating end of the unit to be centered and is locked through the floating end locking mechanism.
Furthermore, the rear end of the first length-adjustable guide rod and the rear end of the second length-adjustable guide rod are provided with front and rear adjustable parts, the front and rear adjustable parts are provided with magnetic parts, and the magnetic parts can be attracted to the floating end locking block.
The invention has the beneficial effects that: for centering under different shaft distances, the problem that the magnetic meter rack is limited under the long distance in the traditional mode can be solved by adjusting the lengths of the first adjustable-length guide rod and the second adjustable-length guide rod; when the shaft end distance is large, in order to avoid the influence of overlong deflection increase of the guide rod on measurement errors, the tail floating end is additionally provided with a connecting structure for fixing the floating end of the guide rod under large deflection, so that the measurement accuracy is ensured.
Drawings
FIG. 1 is a mechanism assembly diagram of the present invention.
Fig. 2 is an assembly view of the mechanism of the present invention from another angle.
Fig. 3 is a schematic view of the structure of the fixed-end connecting assembly.
Fig. 4 is a schematic structural view of a centering measurement assembly.
FIG. 5 is a schematic diagram of a floating end connection assembly.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
Referring to fig. 1 to 5, a method for centering a direct connection type high-speed operation unit comprises the following steps:
a fixed end connecting component is fixed on a fixed end 3 of the unit needing to be centered;
a centering measuring component is connected to the fixed end connecting component and comprises a first adjustable length guide rod 1 and a second adjustable length guide rod 2;
a radial measuring dial indicator 5 is arranged on the first adjustable length guide rod 1, and an end face measuring dial indicator 6 is arranged on the second adjustable length guide rod 2;
after the radial measuring dial indicator 5 and the end face measuring dial indicator 6 are installed, the radial measuring dial indicator 5 and the end face measuring dial indicator 6 are perpendicular to each other, the radial measuring dial indicator 5 abuts against the outer circle of the floating end 4 of the unit to be centered, and the end face measuring dial indicator 6 abuts against the end face of the floating end 4 of the unit to be centered;
then, the fixed end 3 and the floating end 4 of the unit needing centering are rotated, the floating end 4 is adjusted according to the readings of the radial measuring dial indicator and the end surface measuring dial indicator, centering is achieved, the centering adjustment technology after the readings is a conventional means in the prior art, and detailed description is omitted.
In addition, the radial measurement dial indicator 5 is mounted on the first length guide rod 1, and the end surface measurement dial indicator 6 is mounted on the second length guide rod 2, so that some mounting components are required, and the mounting components are the same as those for mounting the dial indicator on the magnetic indicator frame in the prior art, and are not repeated here.
In one embodiment, the first adjustable length guide bar 1 and the second adjustable length guide bar 2 are adjustable in length by: the first length-adjustable guide rod 1 and the second length-adjustable guide rod 2 are formed by a plurality of branch rods, the branch rods are in threaded connection, and the purpose of adjusting the lengths of the guide rods can be achieved by adopting different numbers of branch rods for connection.
For centering under different interaxial distances, the problem that a magnetic meter frame is limited under a long distance in a traditional mode can be solved by adjusting the lengths of the first adjustable-length guide rod 1 and the second adjustable-length guide rod 2. In addition, when the dial indicator is installed on the magnetic force indicator frame, an installation rod for installing the dial indicator is provided with a rotary connection structure in order to adapt to different shaft distances, and after a fixed end and a floating end of the centering unit are required to be rotated during measurement, the rotary connection part of the installation rod can drop under the action of gravity, but the dial indicator shifts to influence the measurement precision; the lengths of the first adjustable length guide rod 1 and the second adjustable length guide rod 2 can be adjusted, and a rotary connecting structure does not exist, so that the dial indicator cannot be displaced during measurement.
In this embodiment, the concrete structure of stiff end coupling assembling do: this stiff end coupling assembling includes stiff end locking piece 7, stiff end locking mechanical system, stiff end locking piece 7 erect and establish the excircle at the stiff end 3 that needs the centering unit, and pass through stiff end locking mechanical system lock, the front end of the adjustable length guide bar of first adjustable length 1, the front end of the adjustable length guide bar of second 2 are all connected stiff end locking piece 7 on. In order to make the outer circles of the fixed end locking block 7 and the fixed end 3 fit together, the lower end of the fixed end locking block 7 is provided with a groove, and the fixed end locking block 7 is erected on the outer circle of the fixed end 3 of the centering unit at the groove.
In this embodiment, the fixed end locking mechanism includes a fixed end locking chain 8 and a fixed end hanging mechanism arranged on the fixed end locking block 7, one end of the fixed end locking chain 8 is a connecting end, and the other end is a free end; the connecting end of the fixed end locking chain 8 is fixed on the fixed end locking block 7, the fixed end locking chain 8 surrounds the excircle of the fixed end 3 of the unit to be centered and is tensioned, and the free end of the fixed end locking chain is hung on the fixed end hanging mechanism. The fixed end hanging and holding mechanism has the specific structure that: it includes stiff end peg 9, stiff end peg 9 penetrate stiff end latch segment 7, the end of stiff end peg 9 exposes stiff end latch segment 7 outside and its end be equipped with stiff end couple 10, the free end of stiff end locking chain 8 is hung and is held stiff end couple 10 on.
In one embodiment, the fixed end hanging rod 9 is in threaded connection with the fixed end locking block 7, so that the extension degree of the fixed end hook 10 can be adjusted by rotating the fixed end hanging rod 9 to match the locking length of the fixed end locking chain 8 in use in different occasions.
In one embodiment, the fixed end hanging rod 9 is further provided with a fixed end locking nut 11, and the fixed end locking nut 11 locks the fixed end hanging rod 9 on the fixed end locking block 7, so that the fixed end hanging rod 9 is more stable after installation.
In one embodiment, a floating end connecting assembly is arranged at the floating end of the unit to be centered, and the rear ends of the first length-adjustable guide rod 1 and the second length-adjustable guide rod 2 are connected to the floating end connecting assembly.
The significance of setting up floating end coupling assembling lies in: when the shaft end distance is large, in order to avoid the influence of the excessive length of the first adjustable length guide rod 1 and the second adjustable length guide rod 2, the deflection is increased and the measurement error is influenced, the rear end of the first adjustable length guide rod 1 and the rear end of the second adjustable length guide rod 2 are connected to the floating end connecting assembly and used for fixing the floating end of the guide rod under large deflection, and the measurement precision is ensured.
In this embodiment, the floating end connection assembly includes a floating end locking block 12 and a floating end locking mechanism; the floating end locking block 12 is erected on the floating end 4 of the unit to be centered and is locked by the floating end locking mechanism. In order to make the floating end locking block 12 better fit the floating end 4, a groove may be provided at the lower end of the floating end locking block 12, and the floating end locking block 12 is erected on the floating end 4 at the groove.
In one embodiment, the floating end locking mechanism has the specific structure that: the locking mechanism comprises a floating end locking chain 13 and a floating end hanging mechanism arranged on the floating end locking block 12, wherein one end of the floating end locking chain 13 is a connecting end, and the other end of the floating end locking chain is a free end; the connecting end of the floating end locking chain 13 is fixed on the floating end locking block 12, the floating end locking chain 13 surrounds the floating end 4 of the unit to be centered and is tensioned, and the free end of the floating end locking chain 13 is hung and held on the floating end hanging and holding mechanism.
In one embodiment, the floating end hanging and holding mechanism has the specific structure that: the locking device comprises a floating end hanging rod 14, wherein the floating end hanging rod 14 penetrates into a floating end locking block 12, the tail end of the floating end hanging rod 14 is exposed outside the floating end locking block 12, a floating end hook 15 is arranged at the tail end of the floating end hanging rod 14, and the free end of a floating end locking chain 13 is hung and held on the floating end hook 15.
In one embodiment, the floating end hanging rod 14 is in threaded connection with the floating end locking block 12, so that the protruding degree of the floating end hook 15 can be adjusted by rotating the floating end hanging rod 14 to match the locking length of the floating end locking chain 13 in use in different occasions.
In one embodiment, the floating end hanging rod 14 is further provided with a floating end locking nut 16, and the floating end locking nut 16 locks the floating end hanging rod 14 on the floating end locking block 12, so that the floating end hanging rod 14 is more stable.
In one embodiment, the rear ends of the first length-adjustable guide rod 1 and the second length-adjustable guide rod 2 are provided with front and rear adjustable components, and the front and rear adjustable components are provided with magnetic components which can be attracted to the floating end locking block 12. The front and rear adjustable component can be a screw rod 17 which is in threaded connection with the rear end of the first adjustable length guide rod 1 and the rear end of the second adjustable length guide rod 2, the screw rod 17 can be rotated to adjust front and rear, so that the rear end of the first adjustable length guide rod 1 and the rear end of the second adjustable length guide rod 2 can be smoothly connected with the floating end locking block 12, meanwhile, a magnet 18 is arranged on the screw rod 17, the rear end of the first adjustable length guide rod 1 and the rear end of the second adjustable length guide rod 2 are magnetically attracted and connected to the floating end locking block 12 through the magnet 18, and the floating end magnetic locking block 12 is an iron block at the moment of course.
Claims (12)
1. The centering method of the direct connection type high-speed operation unit is characterized by comprising the following steps:
a fixed end connecting assembly is fixed on a fixed end of the unit to be centered;
the fixed end connecting assembly is connected with a centering measuring assembly, and the centering measuring assembly comprises a first adjustable length guide rod and a second adjustable length guide rod;
a radial measuring dial indicator is arranged on the first adjustable length guide rod, and an end face measuring dial indicator is arranged on the second adjustable length guide rod;
after the radial measuring dial indicator and the end face measuring dial indicator are installed, the radial measuring dial indicator and the end face measuring dial indicator are perpendicular to each other, the radial measuring dial indicator abuts against an excircle of a floating end of the unit to be centered, and the end face measuring dial indicator abuts against an end face of the floating end of the unit to be centered;
and then, rotating the fixed end and the floating end of the unit needing centering, and performing centering adjustment according to the readings of the radial measuring dial indicator and the end surface measuring dial indicator.
2. The method for centering a direct connection type high-speed running unit according to claim 1, wherein: the fixed end connecting assembly comprises a fixed end locking block and a fixed end locking mechanism;
the fixed end locking block is erected on the excircle of the fixed end of the centering unit, and the fixed end locking mechanism is used for locking.
3. The method for centering a direct connection type high-speed running unit according to claim 2, wherein: the lower extreme of stiff end locking block be equipped with the recess, stiff end locking block erect on the excircle of the stiff end that needs centering unit at the recess department.
4. The method for centering a direct connection type high-speed running unit according to claim 2, wherein: the fixed end locking mechanism comprises a fixed end locking chain and a fixed end hanging mechanism arranged on the fixed end locking block, wherein one end of the fixed end locking chain is a connecting end, and the other end of the fixed end locking chain is a free end;
the connecting end of the fixed end locking chain is fixed on the fixed end locking block, the fixed end locking chain surrounds the excircle of the fixed end of the unit to be centered and is tensioned, and the free end of the fixed end locking chain is hung on the fixed end hanging mechanism.
5. The method for centering a direct connection type high-speed running unit according to claim 4, wherein: the stiff end hang hold the mechanism include the stiff end peg, the stiff end peg penetrate stiff end latch segment, the end of stiff end peg exposes the stiff end latch segment outside and its end be equipped with the stiff end couple, the free end of stiff end locking chain is hung and is held the stiff end couple on.
6. The method for centering a direct connection type high-speed running unit according to claim 5, wherein: the fixed end hanging rod is in threaded connection with the fixed end locking block.
7. The method for centering a direct connection type high-speed running unit according to claim 6, wherein: the fixed end hanging rod is further provided with a fixed end locking nut, and the fixed end locking nut locks the fixed end hanging rod on the fixed end locking block.
8. The method for centering a direct connection type high-speed running unit according to any one of claims 2 to 7, wherein: the first length-adjustable guide rod and the second length-adjustable guide rod are both composed of a plurality of branch rods, and the branch rods are in threaded connection.
9. The method for centering a direct connection type high-speed running unit according to claim 8, wherein: the front end of the first length-adjustable guide rod and the front end of the second length-adjustable guide rod are connected to the fixed end locking block.
10. The method for centering a direct connection type high-speed running unit according to any one of claims 1 to 7, wherein: and a floating end connecting assembly is arranged at the floating end of the unit to be centered, and the rear end of the first length-adjustable guide rod and the rear end of the second length-adjustable guide rod are connected to the floating end connecting assembly.
11. The method for centering a direct connection type high-speed running unit according to claim 10, wherein: the floating end connecting assembly comprises a floating end locking block and a floating end locking mechanism;
the floating end locking block is erected on the floating end of the unit to be centered and is locked through the floating end locking mechanism.
12. The method for centering a direct connection type high-speed running unit according to claim 11, wherein: the rear end of the first length-adjustable guide rod and the rear end of the second length-adjustable guide rod are provided with front and rear adjustable parts, the front and rear adjustable parts are provided with magnetic parts, and the magnetic parts can be attracted to the floating end locking block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210528619.4A CN114812356A (en) | 2022-05-16 | 2022-05-16 | Alignment method of direct connection type high-speed operation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210528619.4A CN114812356A (en) | 2022-05-16 | 2022-05-16 | Alignment method of direct connection type high-speed operation unit |
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| CN114812356A true CN114812356A (en) | 2022-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210528619.4A Pending CN114812356A (en) | 2022-05-16 | 2022-05-16 | Alignment method of direct connection type high-speed operation unit |
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| US4516328A (en) * | 1983-06-27 | 1985-05-14 | Massey Charles R | Shaft alignment device |
| US6151793A (en) * | 1997-12-10 | 2000-11-28 | Carlen Controls, Inc. | Mounting device for aligning two rotating shafts |
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| CN207395639U (en) * | 2017-11-14 | 2018-05-22 | 神华集团有限责任公司 | Shaft coupling alignment deviation survey tool |
| CN209371985U (en) * | 2019-03-19 | 2019-09-10 | 宁波舟山港股份有限公司北仑矿石码头分公司 | A kind of centralising device of diaphragm coupling device |
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| CN211236694U (en) * | 2019-12-05 | 2020-08-11 | 中国石油天然气股份有限公司 | Coupler centering checking device |
| CN112432583A (en) * | 2020-11-03 | 2021-03-02 | 江西中竹生物质科技有限公司 | Narrow-spacing spindle centering detection device |
| CN112945067A (en) * | 2021-02-01 | 2021-06-11 | 宁波丰特机械设备有限公司 | Quick centering method for coupler |
| CN214149110U (en) * | 2020-12-09 | 2021-09-07 | 中海福陆重工有限公司 | Shaft centering tool |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4516328A (en) * | 1983-06-27 | 1985-05-14 | Massey Charles R | Shaft alignment device |
| US6151793A (en) * | 1997-12-10 | 2000-11-28 | Carlen Controls, Inc. | Mounting device for aligning two rotating shafts |
| CN202853556U (en) * | 2012-10-10 | 2013-04-03 | 云南铜业股份有限公司 | Rotating equipment concentricity adjusting device |
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