CN109672297B - Connecting method of square billet vibration motor and speed reducer - Google Patents
Connecting method of square billet vibration motor and speed reducer Download PDFInfo
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- CN109672297B CN109672297B CN201910110675.4A CN201910110675A CN109672297B CN 109672297 B CN109672297 B CN 109672297B CN 201910110675 A CN201910110675 A CN 201910110675A CN 109672297 B CN109672297 B CN 109672297B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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Abstract
The invention belongs to the technical field of steel production equipment, and particularly relates to a method for connecting a square billet vibration motor and a speed reducer, which comprises the following steps: manufacturing a motor fixing support; manufacturing a base; manufacturing a transition connecting shaft, wherein one end of the transition connecting shaft is connected with the worm hole in an interference fit manner, and the other end of the transition connecting shaft is connected with the pin coupling; mounting the end part of the motor on a fixed support; adjusting the height and the front-back distance of a pin coupling connected with a motor shaft; manufacturing a motor damping rubber pier; and the fixed support and the bottom plate of the base are welded and fixed through the diagonal draw bars. The transition connecting shaft in interference fit is added, so that the connection between the worm hole and the motor shaft can be reliably ensured; the installation of the coupler is convenient for the centering of the motor and the connection of the observation shaft; a motor fixing support is added, so that the vibration of the motor is reduced, and the motor is prevented from being damaged; the auxiliary support motor for the damping rubber pier is manufactured to reduce the stress of the motor flange, and the auxiliary support motor is reasonable in design, safe, reliable and easy to popularize and use on a large scale.
Description
Technical Field
The invention belongs to the technical field of steel production equipment, and particularly relates to a method for connecting a square billet vibration motor and a speed reducer.
Background
The existing connecting mode of the steelmaking square billet motor and the speed reducer has the following design defects and shortcomings: 1. the motor shaft is inserted into a worm of the speed reducer (in clearance fit and single-key connection), so that keys are easy to roll and difficult to judge and process; 2. the original motor has no end fixing beam, the body vibrates greatly when the motor works, and the connecting shaft is stressed and is easy to roll; 3. the existing design adopts a key connection mode, when the key is abraded and stressed to generate left and right movement, the key slot is separated, and the billet cannot advance.
Disclosure of Invention
The invention aims to provide a connecting method of a square billet vibration motor and a speed reducer, which is an improvement on the basis of the original connecting mode and solves the technical problem. The transition connecting shaft in interference fit is added, so that the connection between the worm hole and the motor shaft can be reliably ensured; the installation of the coupler is convenient for the centering of the motor and the connection of the observation shaft; a motor fixing support is added, so that the vibration of the motor is reduced, and the motor is prevented from being damaged; the auxiliary support motor for the damping rubber pier is manufactured to reduce the stress of the motor flange, and the auxiliary support motor is reasonable in design, safe, reliable and easy to popularize and use on a large scale.
The technical scheme adopted by the invention is as follows: a method for connecting a square billet vibration motor and a speed reducer comprises the following steps:
the method comprises the following steps: manufacturing a fixed support for mounting a motor and adjusting the height of a motor shaft according to the mounting height of a worm of the speed reducer, wherein a vertical plate of the fixed support is provided with a motor shaft through hole; the height of the connecting shaft is fixed, so that the connecting shaft is reduced from jumping, and the connecting shaft is prevented from being stressed to roll keys;
step two: the method comprises the following steps of (1) manufacturing a base fixed on a support beam by taking an original support beam as a fulcrum, wherein the base is provided with a mounting long hole for adjusting the front-back distance of a motor;
step three, manufacturing a transition connecting shaft for connecting a worm of the speed reducer and the pin coupling, actually measuring the aperture of a worm hole of the speed reducer, manufacturing a matching end of the transition connecting shaft in interference fit with the worm hole according to the aperture, wherein the interference magnitude is 0.025-0.035 mm; one end of the transition connecting shaft is connected with the worm hole in an interference fit mode, and the other end of the transition connecting shaft is connected with the pin coupling; the transition connecting shaft assembled in an interference fit manner is adopted to replace the original key connection mode of the speed reducer, so that the left and right movement caused by key abrasion stress is prevented;
step four, mounting the end part of the motor on a vertical plate of the fixed support through a bolt, fixing the motor through a fastening bolt after the height of a motor shaft is adjusted, and mounting a transverse plate of the fixed support on a bottom plate of the base through the bolt without position movement; adjusting the height and the front-back distance of a pin coupling connected with a motor shaft; the heights of the motor shaft and the coupler are adjusted by adding a gasket at the bottom of the fixed support, and the front-back distance of the motor shaft and the coupler is adjusted by transversely adjusting the fixed support; after the elevation and the front-back distance of the motor shaft and the coupler are adjusted, the fixed support is fixed on the base through a fastening bolt;
fifthly, manufacturing a damping rubber pier for supporting the motor according to the actual installation height of the motor, and installing the damping rubber pier at the rear end of the motor to reduce the stress of a motor flange and reduce the vibration of the motor;
and step six, after the central height and the distance of the motor shaft and the coupler are adjusted, the fixed support and the base plate of the base are welded and fixed through symmetrical diagonal ribs.
Furthermore, the interference magnitude of the interference fit between the transition connecting shaft and the worm hole is 0.03 mm.
Further, the bolt is connected with the nut through a gasket.
The invention has the beneficial effects that: the connection method of the square billet vibration motor and the speed reducer is an improvement on the basis of the original connection mode, and the technical problem is solved. The transition connecting shaft in interference fit is added, so that the connection between the worm hole and the motor shaft can be reliably ensured; the installation of the coupler is convenient for the centering of the motor and the connection of the observation shaft; a motor fixing support is added, so that the vibration of the motor is reduced, and the motor is prevented from being damaged; the auxiliary support motor for the damping rubber pier is manufactured to reduce the stress of the motor flange, and the auxiliary support motor is reasonable in design, safe, reliable and easy to popularize and use on a large scale. Its advantage mainly does: the interference fit can reliably ensure the connection between the worm hole and the motor shaft; the installation of the coupler is convenient for the centering of the motor and the connection of the observation shaft; the motor fixing support is manufactured, so that the vibration of the motor is reduced, and the motor is prevented from being damaged; the auxiliary supporting motor for the damping rubber pier is manufactured to reduce the stress of the motor flange.
Description of the drawings:
FIG. 1 is a schematic structural diagram of the first embodiment;
fig. 2 is a schematic top view of the first embodiment.
The specific implementation mode is as follows:
example one
Referring to fig. 1 and 2, a coupling method of a square billet vibration motor and a speed reducer, the coupling method comprising the steps of:
the method comprises the following steps: manufacturing a fixed support 4 for mounting a motor 6 and adjusting the height of a motor shaft according to the mounting height of a worm of a speed reducer 1, wherein a motor shaft through hole is formed in a vertical plate of the fixed support 4; the height of the connecting shaft is fixed, so that the connecting shaft is reduced from jumping, and the connecting shaft is prevented from being stressed to roll keys;
step two: a base 8 fixed on the support beam 9 is manufactured by taking the original support beam 9 as a pivot, and the base 8 is provided with a mounting long hole for adjusting the front-back distance of the motor 6;
step three, manufacturing a transition connecting shaft 2 for connecting a worm of the speed reducer 1 and a pin coupling 3, actually measuring the aperture of a worm hole of the speed reducer, manufacturing a matching end of the transition connecting shaft 2 in interference fit with the worm hole according to the aperture, wherein the interference magnitude is 0.025-0.035 mm; preferably 0.03mm, one end of the transition connecting shaft 2 is connected with the worm hole in an interference fit manner, and the other end of the transition connecting shaft is connected with the pin coupling 3; the transition connecting shaft 2 assembled in an interference fit manner is adopted to replace the original key connection mode of the speed reducer 1, so that the left and right movement caused by key abrasion stress is prevented;
step four, mounting the end part of the motor 6 on a vertical plate of the fixed support 4 through a bolt and nut gasket assembly, fixing the motor 6 through a fastening bolt after the height of a motor shaft is adjusted, preventing the motor from moving, and mounting a transverse plate of the fixed support 4 on a bottom plate of the base 8 through a bolt; adjusting the height and the front-back distance of a pin coupling 3 connected with a motor shaft; the heights of the motor shaft and the coupler are adjusted by adding a gasket at the bottom of the fixed support 4, and the front-back distance of the motor shaft and the coupler is adjusted by transversely adjusting the fixed support 4; after the elevation and the front-back distance of the motor shaft and the coupler are adjusted, the fixed support 4 is fixed on the base 8 through a fastening bolt;
fifthly, manufacturing a damping rubber pier 7 for supporting the motor 6 according to the actual installation height of the motor 6, and installing the damping rubber pier 7 at the rear end of the motor 6, so that the stress of a motor flange is reduced, and the vibration of the motor can be reduced;
and step six, after the central height and the distance of the motor shaft and the coupler are adjusted, the fixed support 4 and the bottom plate of the base 8 are welded and fixed through symmetrical diagonal ribs.
The motor is fixed on the fixed support and fixed on the original two beams through the base, and the tail part of the motor is additionally provided with a damping rubber pier. The fixed support enables the height of the coupling shaft to be fixed, the jumping of the coupling shaft is reduced, and the coupling shaft is prevented from being stressed to roll keys; the damping rubber pier supporting motor is manufactured according to field actual measurement, so that the stress of a motor flange is reduced, and the vibration of the motor can be reduced; manufacturing a worm transition connecting shaft, and adopting interference fit assembly to replace a key connection mode to prevent left and right movement caused by key abrasion stress; in order to adjust alignment of the worm hole and a motor shaft after hot loading conveniently, a pin coupling is arranged at the outlet end of the motor; the end part of the motor is fixed on the support plate by the bolt and the nut in a matching way, after the height of the motor shaft is adjusted, the bolt and the nut are forbidden to be fixed, the motor is fixed, and the position movement is not generated; the base is manufactured by taking the original two beams as fulcrums, and a long hole is reserved in a bottom plate fixing support hole so as to adjust the front-back distance; adjusting the center (fixed support and cushion) of the coupler to adjust the elevation and the front-back distance, fastening a motor fixing bolt and adding a damping rubber dome, and adding a diagonal brace plate to weld the fixed support; the shaft coupling is added, so that the observation of the connection condition of the worm hole and the motor shaft is convenient to observe, and the broken shaft condition can be found in time.
The crystallizer vibrator can support crystallizer and has the main function of reciprocating the crystallizer up and down, i.e. making the crystallizer perform arc-imitating motion along the radius of continuous casting machine in certain amplitude, frequency and waveform deviation characteristic to make demolding easy. The square billet per-flow crystallizer vibration transmission device mainly comprises a worm gear and worm speed reducer and a motor, wherein the motor is arranged on a fixed support, a pin coupling is arranged on an output shaft of the motor, a worm of the speed reducer is in interference fit with a newly manufactured shaft, and the worm of the speed reducer is in transition connection with the motor through the shaft, so that the problem of key rolling when the motor is directly connected with the worm is solved, the motor is fixed, and meanwhile, the motor is simpler to replace. After the blank comes out of the lower opening of the crystallizer, the motor drives the speed reducer through the connecting shaft, the speed reducer drives the eccentric shaft to enable the crystallizer to vibrate up and down, the relative position of the liquid level and the wall of the crystallizer is periodically changed, the blank drawing friction resistance is reduced, and the situation that the casting blank is bonded with the copper wall of the crystallizer in the solidification process to be drawn and cracked is prevented, so that the bonded steel leakage accident occurs.
Claims (3)
1. A method for connecting a square billet vibration motor and a speed reducer is characterized in that: the coupling method comprises the steps of:
the method comprises the following steps: a fixed support (4) used for mounting a motor (6) and capable of adjusting the height of a motor shaft is manufactured according to the mounting height of a worm of the speed reducer (1), and a motor shaft through hole is formed in a vertical plate of the fixed support (4);
step two: a base (8) fixed on the support beam (9) is manufactured by taking the original support beam (9) as a fulcrum, and the base (8) is provided with a mounting long hole for adjusting the front-back distance of the motor (6);
step three, manufacturing a transition connecting shaft (2) for connecting a worm of the speed reducer (1) and a pin coupling (3), actually measuring the aperture of a worm hole of the speed reducer, manufacturing a matching end of the transition connecting shaft (2) in interference fit with the worm hole according to the aperture, and controlling the interference magnitude to be 0.025-0.035 mm; one end of the transition connecting shaft (2) is connected with the worm hole in an interference fit manner, and the other end of the transition connecting shaft is connected with the pin coupling (3);
fourthly, the end part of the motor (6) is installed on a vertical plate of the fixed support (4) through a bolt, after the height of a motor shaft is adjusted, the motor (6) is fixed through a fastening bolt, no position movement is generated, and a transverse plate of the fixed support (4) is installed on a bottom plate of the base (8) through a bolt; adjusting the height and the front-back distance of a pin coupling (3) connected with a motor shaft; the heights of the motor shaft and the coupler are adjusted by adding a gasket at the bottom of the fixed support (4), and the front-back distance between the motor shaft and the coupler is adjusted by transversely adjusting the fixed support (4); after the elevation and the front-back distance of the motor shaft and the coupler are adjusted, the fixed support (4) is fixed on the base (8) through a fastening bolt;
fifthly, manufacturing a damping rubber pier (7) for supporting the motor (6) according to the actual installation height of the motor (6), and installing the damping rubber pier (7) at the rear end of the motor (6);
and step six, after the central height and the distance of the motor shaft and the coupler are adjusted, the fixed support (4) and the bottom plate of the base (8) are welded and fixed through symmetrical diagonal draw bars.
2. The method of claim 1, wherein the method comprises the steps of: the interference fit magnitude of the transition connecting shaft (2) and the worm hole is 0.03 mm.
3. The method of claim 1, wherein the method comprises the steps of: the bolt is connected with the nut through a gasket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110675.4A CN109672297B (en) | 2019-02-12 | 2019-02-12 | Connecting method of square billet vibration motor and speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910110675.4A CN109672297B (en) | 2019-02-12 | 2019-02-12 | Connecting method of square billet vibration motor and speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109672297A CN109672297A (en) | 2019-04-23 |
| CN109672297B true CN109672297B (en) | 2020-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910110675.4A Active CN109672297B (en) | 2019-02-12 | 2019-02-12 | Connecting method of square billet vibration motor and speed reducer |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2917783Y (en) * | 2006-06-28 | 2007-07-04 | 中信重型机械公司 | Drive unit of new pattern high pressure roller mill |
| KR20080022690A (en) * | 2006-09-07 | 2008-03-12 | 엘지전자 주식회사 | Motor and rotor assembly of the same |
| CN108187826A (en) * | 2018-01-16 | 2018-06-22 | 莱歇研磨机械制造(上海)有限公司 | A kind of mill transmission device |
-
2019
- 2019-02-12 CN CN201910110675.4A patent/CN109672297B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2917783Y (en) * | 2006-06-28 | 2007-07-04 | 中信重型机械公司 | Drive unit of new pattern high pressure roller mill |
| KR20080022690A (en) * | 2006-09-07 | 2008-03-12 | 엘지전자 주식회사 | Motor and rotor assembly of the same |
| CN108187826A (en) * | 2018-01-16 | 2018-06-22 | 莱歇研磨机械制造(上海)有限公司 | A kind of mill transmission device |
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| CN109672297A (en) | 2019-04-23 |
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Effective date of registration: 20220516 Address after: 155100 No. 51-9 / 01-5, Ganglian, Shuangxuan Road, Lingdong District, Shuangyashan City, Heilongjiang Province Patentee after: Heilongjiang Jianlong vanadium titanium Research Institute Co.,Ltd. Address before: 155100 No.64 Shuangxuan Road, Lingdong District, Shuangyashan City, Heilongjiang Province Patentee before: HEILONGJIANG JIANLONG IRON & STEEL Co.,Ltd. |