CN210510205U - Bevel gear for finishing mill speed reducer - Google Patents
Bevel gear for finishing mill speed reducer Download PDFInfo
- Publication number
- CN210510205U CN210510205U CN201920770787.8U CN201920770787U CN210510205U CN 210510205 U CN210510205 U CN 210510205U CN 201920770787 U CN201920770787 U CN 201920770787U CN 210510205 U CN210510205 U CN 210510205U
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- gear
- finishing mill
- mounting
- gear body
- bevel gear
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- Expired - Fee Related
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 14
- 238000009434 installation Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 description 8
- 239000007787 solid Substances 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
A bevel gear for a speed reducer of a finishing mill solves the problems that after a spiral bevel gear on the speed reducer of the finishing mill is installed and used for a period of time, the stability between a gear and an installation shaft is poor, and the load during working between the gear and the installation shaft is large, which is not beneficial to improving the service life of the gear, and comprises a gear body, wherein the edge of one side of the gear body is provided with a tooth profile, one side of the tooth profile is provided with a cambered surface, one side of the cambered surface is provided with a first boss, the middle part of one side of the gear body is provided with a second boss, the other side of the gear body is provided with a web plate, the middle part of the gear body is spliced with an installation mechanism, the installation mechanism is sleeved with a fixing ring, four positioning holes are symmetrically arranged on the web plate, the middle part of the gear, the burden when installation axle and gear body rotate can be alleviateed, long service life simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the gear technique and specifically relates to a bevel gear for finishing mill speed reducer is related to.
Background
The finishing mill is the most important rolling mill group on a wire rod rolling mill, has the function of ensuring the production of qualified products, and has the arrangement forms of repeated double type, semi-continuous rolling, full continuous rolling and the like. The full continuous rolling is divided into a horizontal type unit, a horizontal-interchange replacement unit and a 45-degree finishing mill unit of a Y-shaped finishing mill unit. The China wire rod workshop adopts more multiple finishing mill groups, the rolling mills are driven by alternating current motors in groups, a surrounding disc is adopted for multi-groove parallel rolling, and the rolling speed is more than 15-20 m/s.
After the spiral bevel gear on the finishing mill reducer is installed and used for a period of time, the stability between the gear and the installation shaft is poor, and the load of the gear and the installation shaft during working is large, so that the service life of the gear is not prolonged.
SUMMERY OF THE UTILITY MODEL
To the above circumstances, for overcoming prior art's defect, the utility model provides a bevel gear for finishing mill speed reducer, the effectual spiral bevel gear who has solved on the finishing mill speed reducer is after installing and using a period, and stability is not good between gear and the installation axle, and the load of while gear and installation during operation between the axle is great, is unfavorable for improving the life's of gear problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model discloses a gear body, profile of tooth, cambered surface, first boss, second boss, web, installation mechanism, solid fixed ring, locating hole, shaft hole and keyway, the edge of gear body one side is provided with the profile of tooth, and profile of tooth one side is provided with the cambered surface, and one side of cambered surface sets up first boss, and the middle part of gear body one side is provided with the second boss, and the opposite side of gear body is provided with the web, and the middle part of gear body is pegged graft and is had installation mechanism, has cup jointed solid fixed ring on the installation mechanism, and the symmetry has begun four locating holes on the web, and the middle part of gear body has begun to have the shaft hole.
Preferably, installation mechanism includes installation axle, external screw thread, mounting key, spacing dish and reference column, and the installation axle is pegged graft inside the shaft hole, and the external screw thread has been seted up to installation axle one end, and the other end welding of installation axle has the mounting key of four symmetries, and the epaxial welding of installation of mounting key one end has spacing dish, and the symmetry is provided with four reference columns on the spacing dish.
Preferably, the positioning holes correspond to the positioning columns in one-to-one correspondence.
Preferably, the gear body is a member made of 17CrNiMo6 material.
Preferably, the key slots are arranged in one-to-one correspondence with the mounting keys and are identical in number.
Preferably, the inside of solid fixed ring is seted up the internal thread, and with install epaxial external screw thread meshing connection.
The utility model discloses novel structure, think about ingeniously, installation stability is high, can alleviate the burden when installation axle and gear body rotate, long service life simultaneously.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the key slot structure of the present invention;
FIG. 3 is a schematic view of the structure of the installation mechanism of the present invention;
FIG. 4 is a side view of the mounting mechanism of the present invention;
labeled as: 1. a gear body; 2. tooth profile; 3. a cambered surface; 4. a first boss; 5. a second boss; 6. a web; 7. an installation mechanism; 8. a fixing ring; 9. positioning holes; 10. a shaft hole; 11. a keyway; 12. installing a shaft; 13. an external thread; 14. installing a key; 15. a limiting disc; 16. and a positioning column.
Detailed Description
The following describes the present invention in further detail with reference to the accompanying fig. 1-4.
The first embodiment, given by figure 1 and figure 2, the utility model relates to a bevel gear for finishing mill speed reducer, including gear body 1, profile of tooth 2, cambered surface 3, first boss 4, second boss 5, web 6, installation mechanism 7, solid fixed ring 8, locating hole 9, shaft hole 10 and keyway 11, the edge of gear body 1 one side is provided with profile of tooth 2, one side of profile of tooth 2 is provided with cambered surface 3, one side of cambered surface 3 sets up first boss 4, the middle part of gear body 1 one side is provided with second boss 5, the opposite side of gear body 1 is provided with web 6, the middle part of gear body 1 is pegged graft and is had installation mechanism 7, gu fixed ring 8 has been cup jointed on installation mechanism 7, the symmetry has started to have four locating holes 9 on web 6, the middle part of gear body 1 has started shaft hole 10, four keyways 11 have been seted up to the edge symmetry.
In the second embodiment, on the basis of the first embodiment, as shown in fig. 1, 2 and 4, the mounting mechanism 7 includes a mounting shaft 12, an external thread 13, a mounting key 14, a limiting disc 15 and a positioning post 16, the mounting shaft 12 is inserted into the shaft hole 10, the external thread 13 is formed at one end of the mounting shaft 12, four symmetrical mounting keys 14 are welded at the other end of the mounting shaft 12, the limiting disc 15 is welded on the mounting shaft 12 at one end of the mounting key 14, the four positioning posts 16 are symmetrically arranged on the limiting disc 15, the external thread 13 is used for being matched with the fixing ring 8, the mounting key 14 is used for being matched with the key slot 11, and the positioning posts 16 are used for being matched with the positioning holes.
In the third embodiment, on the basis of the first embodiment, as shown in fig. 2 and 3, the positions of the positioning holes 9 and the positioning columns 16 are in one-to-one correspondence, so that the positioning holes 9 and the positioning columns 16 can be conveniently installed and fixed in a matched manner.
In the fourth embodiment, based on the first embodiment, the gear body 1 is made of 17CrNiMo6, so that the strength of the gear body 1 is 200Mpa higher than that of 20CrNiMo, and the gear body has high bending strength and contact fatigue strength, and 17CrNiMo6 also has high hardness and wear resistance.
Fifth embodiment, on the basis of the first embodiment, as shown in fig. 2 and 3, the key slots 11 are provided in positions corresponding to the installation keys 14 one by one, and the number of the key slots 11 is the same, so that the key slots 11 and the installation keys 14 can be conveniently installed and used in a matched manner.
Sixth, on the basis of the first embodiment, the fixing ring 8 is internally provided with an internal thread, and is engaged with the external thread 13 on the mounting shaft 12, so that the fixing ring 8 can be mounted and fixed conveniently.
The working principle is as follows: when the utility model is installed, firstly the installation shaft 12 is inserted in the shaft hole 10, meanwhile, the installation key 14 is inserted corresponding to the key slot 11, the positioning column 16 is inserted in the positioning hole 9, then the fixing ring 8 is sleeved on the installation shaft 12, the internal thread in the fixing ring 8 and the external thread 13 arranged on the installation shaft 12 are engaged and connected, so that the fixing ring 8 fixes the installation shaft 12, four key slots 11 and four installation keys 14, thus, the installation stability is high, simultaneously, when rotating, the force is transmitted not only through the installation key 14 and the key slot 11 on the installation shaft 12, the positioning column 16 and the positioning hole 9 can also transmit the force, the burden when the installation shaft 12 and the gear body 1 rotate can be lightened, simultaneously, the gear body 1 is a component made of 17CrNiMo6 material, the strength of the gear body 1 is 200Mpa higher than that of 20CrNiMo, and has high bending strength and contact fatigue strength, the 17CrNiMo6 also has higher hardness and wear resistance, and the service life of the gear body 1 is prolonged.
The utility model discloses novel structure, the design is ingenious, and installation stability is high, can alleviate the burden when installation axle 12 rotates with gear body 1, long service life simultaneously.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A bevel gear for a finishing mill reducer comprises a gear body (1), tooth forms (2), an arc surface (3), a first boss (4), a second boss (5), a web (6), an installation mechanism (7), a fixing ring (8), positioning holes (9), a shaft hole (10) and a key groove (11), and is characterized in that the tooth forms (2) are arranged at the edge of one side of the gear body (1), the arc surface (3) is arranged at one side of the tooth forms (2), the first boss (4) is arranged at one side of the arc surface (3), the second boss (5) is arranged in the middle of one side of the gear body (1), the web (6) is arranged at the other side of the gear body (1), the installation mechanism (7) is inserted in the middle of the gear body (1), the fixing ring (8) is sleeved on the installation mechanism (7), and four positioning holes (9) are symmetrically arranged, a shaft hole (10) is formed in the middle of the gear body (1), and four key grooves (11) are symmetrically formed in the edge of the shaft hole (10).
2. The bevel gear for the speed reducer of the finishing mill according to claim 1, wherein the mounting mechanism (7) comprises a mounting shaft (12), an external thread (13), a mounting key (14), a limiting disc (15) and positioning columns (16), the mounting shaft (12) is inserted into the shaft hole (10), the external thread (13) is formed in one end of the mounting shaft (12), the four symmetrical mounting keys (14) are welded to the other end of the mounting shaft (12), the limiting disc (15) is welded to the mounting shaft (12) at one end of the mounting key (14), and the four positioning columns (16) are symmetrically arranged on the limiting disc (15).
3. The bevel gear for a finishing mill reducer according to claim 1, wherein the positioning holes (9) correspond to the positioning posts (16) in one-to-one correspondence.
4. Bevel gear wheel for a finishing mill reducer according to claim 1, characterised in that the gear wheel body (1) is a member of 17CrNiMo6 material.
5. The bevel gear for a reduction gear of a finishing mill according to claim 1, wherein the key grooves (11) are formed in positions corresponding to the mounting keys (14) one by one, and in the same number.
6. The bevel gear for a finishing mill reducer according to claim 1, characterized in that the fixing ring (8) is internally threaded and is in meshing connection with the external thread (13) on the mounting shaft (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770787.8U CN210510205U (en) | 2019-05-27 | 2019-05-27 | Bevel gear for finishing mill speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920770787.8U CN210510205U (en) | 2019-05-27 | 2019-05-27 | Bevel gear for finishing mill speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210510205U true CN210510205U (en) | 2020-05-12 |
Family
ID=70576753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920770787.8U Expired - Fee Related CN210510205U (en) | 2019-05-27 | 2019-05-27 | Bevel gear for finishing mill speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210510205U (en) |
-
2019
- 2019-05-27 CN CN201920770787.8U patent/CN210510205U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |