CN212509425U - Inner gear ring - Google Patents
Inner gear ring Download PDFInfo
- Publication number
- CN212509425U CN212509425U CN202021112364.6U CN202021112364U CN212509425U CN 212509425 U CN212509425 U CN 212509425U CN 202021112364 U CN202021112364 U CN 202021112364U CN 212509425 U CN212509425 U CN 212509425U
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- China
- Prior art keywords
- ring body
- backup pad
- connecting part
- rack
- ring
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Abstract
The utility model provides an inner gear ring, which comprises a ring body, a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are arranged in the ring body; the first connecting part comprises an inner rack which is attached to the inner cavity of the ring body, the inner rack is of an annular structure corresponding to the inner cavity wall of the ring body, and the inner rack is formed by splicing a plurality of unit teeth; the second connecting portion include integrative backup pad, the axle sleeve of setting in the backup pad that sets up in the ring body inner chamber and keep away from inner rack one side, the backup pad corresponds the ring body inner chamber and is circular structure, the axle sleeve is located the backup pad intermediate position and is equipped with the shaft hole that runs through, and the side of backup pad is stretched out at the both ends of axle sleeve. The device has the advantages of reasonable structural design, easy assembly, simple operation of processing technology, processing time saving, processing efficiency improvement, processing cost reduction and high processing precision of tooth shape.
Description
Technical Field
The utility model relates to the technical field of gears, specifically be an inner gear ring.
Background
The gear is widely applied to various mechanical equipment, for example, the planetary reduction mechanism is applied to coal mine auxiliary transportation equipment and is arranged in a winding drum, and the inner gear ring structure of the planetary reduction mechanism is relatively complex, such as unreasonable design, difficult assembly, complex processing procedures and low processing precision. In the prior art, the processing technology of the gear is still incomplete, so that the processed gear is low in precision and even unqualified in quality, a high rejection rate is generated, and unnecessary waste is undoubtedly caused to enterprises.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide an inner gear ring to solve the problem that proposes in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: an inner gear ring comprises a ring body, a first connecting part and a second connecting part, wherein the first connecting part and the second connecting part are arranged in the ring body;
the first connecting part comprises an inner rack which is attached to the inner cavity of the ring body, the inner rack is of an annular structure corresponding to the inner cavity wall of the ring body, and the inner rack is formed by splicing a plurality of unit teeth;
the second connecting portion include integrative backup pad, the axle sleeve of setting in the backup pad that sets up in the ring body inner chamber and keep away from inner rack one side, the backup pad corresponds the ring body inner chamber and is circular structure, the axle sleeve is located the backup pad intermediate position and is equipped with the shaft hole that runs through, and the side of backup pad is stretched out at the both ends of axle sleeve.
The utility model discloses a further scheme does: one side that the internal rack is close to the backup pad is equipped with the recess, and the recess corresponds ring body inner chamber and is the loop configuration, and the rack is close to one side of backup pad including the recess laminating sets up.
The utility model discloses a further scheme does: the outer end of the ring body is in trapezoidal distribution and is integrally provided with an annular step, and a key groove is formed in the annular surface of the step.
The utility model discloses a further scheme does: one end of the outer end of the ring body, which is far away from the first connecting part, is provided with a convex body of an annular structure, and the convex body is used for abutting against the outer end of the winding drum.
The utility model discloses a further scheme does: a plurality of lightening holes are uniformly distributed on the supporting plate, and the lightening holes are annularly distributed around the circle center of the shaft hole.
The utility model discloses a further scheme does: the support plate is provided with two threaded holes between the lightening holes, and the two threaded holes are symmetrically arranged relative to the shaft sleeve.
The utility model discloses a further scheme does: and a hole check ring groove is formed in the shaft hole of the shaft sleeve, and two check rings for mounting holes are arranged in the hole check ring groove.
Compared with the prior art, the beneficial effects of the utility model are that: the device has the advantages of reasonable structural design, easy assembly, simple operation of processing technology, processing time saving, processing efficiency improvement, processing cost reduction and high processing precision of tooth shape.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a schematic side view of the cross section of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in FIGS. 1-2,
the embodiment provides an inner gear ring, which comprises a ring body 1, and a first connecting part and a second connecting part which are arranged in the ring body 1, wherein the first connecting part and the second connecting part are both arranged in an inner cavity of the ring body 1, and the first connecting part is positioned on one side of the second connecting part;
the first connecting part comprises an inner rack 2 which is attached to the inner cavity of the ring body 1, the inner rack 2 is of an annular structure corresponding to the inner cavity wall of the ring body 1, and the inner rack 2 is formed by splicing a plurality of unit teeth;
the second connecting portion include integrative backup pad 3, the axle sleeve 4 of setting in the backup pad that sets up in 1 inner chamber of ring body and keep away from inner rack one side, backup pad 3 corresponds 1 inner chamber of ring body and is circular structure, axle sleeve 4 is located backup pad 3 intermediate position and is equipped with the shaft hole 5 that runs through, and the side of backup pad 3 is stretched out at the both ends of axle sleeve 4. The first connecting part is connected with the gear in a meshing way through the inner rack 2 for transmission, and the second connecting part is inserted into the shaft sleeve 4 through a rotating shaft for connection.
In this embodiment, one side that internal rack 2 is close to backup pad 3 is equipped with recess 6, and recess 6 corresponds and corresponds 1 inner chamber of ring body and be the loop configuration, and rack 2 is close to one side of backup pad 3 including the laminating of recess 6 sets up, the processing of the unit tooth of being convenient for.
In the embodiment, the outer end of the ring body 1 is in trapezoidal distribution and is integrally provided with annular steps 11, the inner gear ring is difficult to be installed in a winding drum due to the large size of the inner gear ring, the steps 11 are convenient to assemble, the annular surface of the steps 11 is provided with key grooves 12, the key grooves 12 are used for placing keys, and the inner gear ring and the winding drum transmit torque through the keys. One end that first connecting portion were kept away from to the outer end of ring body 1 is equipped with the convex body 13 of loop configuration, convex body 13 is used for supporting the outer end of reel, carries out spacing fixed.
In this embodiment, a plurality of lightening holes 31 are uniformly distributed on the support plate 3, the lightening holes 31 are annularly distributed around the center of the shaft hole 5, and the lightening holes 31 are used for lightening the weight of the support plate 3, so as to achieve the purpose of lightening the whole weight of the inner gear ring. The support plate 3 is provided with two threaded holes 32 between the lightening holes 31, the two threaded holes 32 are symmetrically arranged about the shaft sleeve 4, and the threaded holes 32 are used for connecting hoisting equipment for transportation and installation. The shaft hole 5 of the shaft sleeve 4 is internally provided with a hole retainer groove 41, and the hole retainer groove 41 is provided with two hole retainers for mounting the hole retainers so as to position the bearing.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an inner gear ring, includes the ring body and sets up first connecting portion and the second connecting portion in the ring body, its characterized in that: the first connecting part and the second connecting part are both arranged in the inner cavity of the ring body, and the first connecting part is positioned on one side of the second connecting part;
the first connecting part comprises an inner rack which is attached to the inner cavity of the ring body, the inner rack is of an annular structure corresponding to the inner cavity wall of the ring body, and the inner rack is formed by splicing a plurality of unit teeth;
the second connecting portion include integrative backup pad, the axle sleeve of setting in the backup pad that sets up in the ring body inner chamber and keep away from inner rack one side, the backup pad corresponds the ring body inner chamber and is circular structure, the axle sleeve is located the backup pad intermediate position and is equipped with the shaft hole that runs through, and the side of backup pad is stretched out at the both ends of axle sleeve.
2. An annulus gear according to claim 1 wherein: one side that the internal rack is close to the backup pad is equipped with the recess, and the recess corresponds ring body inner chamber and is the loop configuration, and the rack is close to one side of backup pad including the recess laminating sets up.
3. An annulus gear according to claim 2 wherein: the outer end of the ring body is in trapezoidal distribution and is integrally provided with an annular step, and a key groove is formed in the annular surface of the step.
4. An annulus gear according to claim 3 wherein: one end of the outer end of the ring body, which is far away from the first connecting part, is provided with a convex body of an annular structure, and the convex body is used for abutting against the outer end of the winding drum.
5. An annulus gear according to claim 1 wherein: a plurality of lightening holes are uniformly distributed on the supporting plate, and the lightening holes are annularly distributed around the circle center of the shaft hole.
6. An annulus gear according to claim 5 wherein: the support plate is provided with two threaded holes between the lightening holes, and the two threaded holes are symmetrically arranged relative to the shaft sleeve.
7. An annulus gear according to claim 6 wherein: and a hole check ring groove is formed in the shaft hole of the shaft sleeve, and two check rings for mounting holes are arranged in the hole check ring groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021112364.6U CN212509425U (en) | 2020-06-16 | 2020-06-16 | Inner gear ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021112364.6U CN212509425U (en) | 2020-06-16 | 2020-06-16 | Inner gear ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212509425U true CN212509425U (en) | 2021-02-09 |
Family
ID=74388726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021112364.6U Active CN212509425U (en) | 2020-06-16 | 2020-06-16 | Inner gear ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212509425U (en) |
-
2020
- 2020-06-16 CN CN202021112364.6U patent/CN212509425U/en active Active
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