Connecting structure of motor and speed reducer and mounting method of connecting structure
A connection structure and reducer technology, applied in the direction of electromechanical devices, electric components, electrical components, etc., can solve the problems of inconvenient installation and maintenance, great impact on strength, and increased production costs, so as to achieve convenient disassembly and maintenance and low manufacturing costs. Low, the effect of meeting diverse needs
Pending Publication Date: 2022-06-21
宁波东力股份有限公司
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Problems solved by technology
There are two radial grooves in the blind hole at one end of the input shaft, which have a great influence on the strength of the shaft, especially under the conditions of alternating load or impact, it is easy to cause the risk of shaft breakage; in addition, The processing accuracy of the inner hole of the cylinder is also relatively high, which increases the production cost in disguise; there is an observation port on the connecting flange, and the input shaft of the equipment is rotating at high speed during operation. If foreign matter falls into the hole on the connecting flange Inside, there is a great potential safety hazard; the installation and maintenance of this structure is very inconvenient, and the cost of use is relatively high
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[0082] In a further embodiment of the present invention, the following relational expressions need to be satisfied simultaneously:
[0083] d 2 / D 1 ≥1.2;
[0084] and D 1 ≥d 3 +0.1mm or D 1 ≥D 2 +0.1mm;
[0085] and D 4 ≥d 4 +0.2mm;
[0086] and d 5 ≥D 4 +10mm;
[0087] and d 4 -D 3 ≥4Mn;
[0088] in:
[0089] D 1 is the inner diameter of the blind hole 96;
[0090] D 2 is the inner diameter of the first bushing portion 31;
[0091] D 3 is the inner diameter of the undercut 4;
[0092] D 4 is the inner diameter at the smallest inner diameter of flange 2;
[0093] d 2 is the outer diameter of the second step 92;
[0094] d 3 is the diameter of the motor shaft 1 of the motor;
[0095] d 4 is the outer diameter of the second sleeve portion 32;
[0096] d 5 is the diameter of the outer stop of flange 2;
[0097] Mn is the modulus of the splines 12 of the bushing 3 .
[0098] In a further embodiment of the present invention, the following relational...
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The invention discloses a connecting structure of a motor and a speed reducer and a mounting method thereof, the connecting structure comprises a flange, a shaft sleeve, a spline, an input shaft and a front cover, the flange is detachably and fixedly connected with the motor; the shaft sleeve is detachably and fixedly connected with a motor shaft of the motor; at least one part of the shaft sleeve forms an annular spline; the input shaft and a motor shaft of the motor are coaxially arranged, one end of the input shaft is matched with the spline, the other end of the input shaft is matched with the speed reducer, a blind hole is formed in one end of the input shaft, and the motor shaft of the motor is arranged in the blind hole; the front cover is detachably and fixedly connected with the flange, and at least one part of the input shaft is contained in the front cover. The connecting structure of the motor and the speed reducer is compact in structure, good in universality and interchangeability, simple in machining process, low in manufacturing cost and convenient to mount, dismount and maintain.
Description
technical field [0001] The invention relates to the technical field of reducers, in particular to a connection structure of a motor and a reducer and an installation method thereof. Background technique [0002] In the prior art, there are various connection methods between the motor and the reducer, and two common connection methods are: the first is to connect through a coupling; the second is to directly insert the motor shaft into the reducer into the shaft. It is more convenient to use the coupling to connect, but the equipment occupies a large space and is not suitable for use in places with limited space; the motor shaft is directly inserted into the reducer input shaft, due to the certain matching tolerance between the motor shaft and the reducer input shaft, the parts The machining accuracy of the machine is relatively high, and the installation and maintenance are very inconvenient. Although this connection reduces the space occupied by the equipment, the producti...
Claims
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IPC IPC(8): F16D1/04H02K7/00
CPCF16D1/04H02K7/003
Inventor 谢尚军丁为民王聪蔡汉龙付常春洪雪波
Owner 宁波东力股份有限公司