CN219673226U - Tandem conical gear with tandem aggregate structure - Google Patents
Tandem conical gear with tandem aggregate structure Download PDFInfo
- Publication number
- CN219673226U CN219673226U CN202321010029.9U CN202321010029U CN219673226U CN 219673226 U CN219673226 U CN 219673226U CN 202321010029 U CN202321010029 U CN 202321010029U CN 219673226 U CN219673226 U CN 219673226U
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- gear
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- 239000007787 solid Substances 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The utility model relates to a tandem cone gear with a tandem aggregate structure, and belongs to the technical field of speed changers. The technical proposal is as follows: the novel gear comprises a first gear (3) and a second gear (5), wherein the first gear (3) is a hollow shaft conical gear, the second gear (5) is a solid shaft conical gear, a solid shaft of the second gear (5) is inserted into a hollow shaft of the first gear (3), the first gear and the solid shaft are matched through a shaft hole, and after the first gear (3) and the second gear are assembled in place under pressure, the hollow shaft of the first gear (3) and the solid shaft of the second gear (5) are fastened through an axially arranged fastening bolt (1) to form a rigid integrated structure. The utility model is convenient to assemble and disassemble, and different gears can be configured and combined to meet different output rotating speed requirements. When the gear is damaged and needs to be replaced, the gear can be replaced after being disassembled, so that the gear can be quickly repaired. And the coaxiality is high, the processing is convenient, and the manufacturing and using costs can be effectively reduced.
Description
Technical Field
The utility model relates to a tandem cone gear with a tandem aggregate structure, and belongs to the technical field of speed changers.
Background
Gear transmission is the most widely used transmission in mechanical mechanisms. The bearing link can keep stable continuous transmission of the system, and has the characteristics of high transmission efficiency and long service life. The double gear is to connect two gears in series into a whole, and the main function of the double gear is to transfer power and change output torque and steering. The number of teeth of the two gears of the double gear is fixed, and the rotation speed of the output shaft is also fixed for the same double gear. Moreover, the gear is a fragile workpiece and needs to be replaced frequently, and the traditional duplex gear is of an integrated structure and needs to be replaced integrally, so that the cost is increased.
To solve this problem, a person skilled in the art has made an improvement on the duplex gear, such as the technical scheme disclosed in the patent document of CN205937712U entitled split duplex cylindrical gear, by respectively bolting the two gears on the connecting shaft to form a split structure to meet different output rotation speed requirements, the split gear can be disassembled when the gear is damaged or needs to be replaced, so as to realize partial replacement, thereby reducing the cost. However, the bolt connection has high requirements on the processing precision of the workpiece, the friction surface needs special protection, and the stress of the bolt group cannot be completely uniform, so that part of bolts may be fatigued and invalid in advance; accurate coaxiality is difficult to ensure, abrasion of gears is increased, and use cost is increased due to phase change.
Disclosure of Invention
The utility model aims to provide a duplex conical gear with a serial aggregate structure, wherein the duplex conical gear is arranged into a split structure, a first gear is a hollow shaft conical gear, a second gear is a solid shaft conical gear, a solid shaft of the second gear is inserted into a hollow shaft of the first gear, and the two gears are connected in series through a fastening bolt, so that the coaxial degree is high, the processing is convenient, the manufacturing and using costs can be effectively reduced, and the problems existing in the background art are solved.
The technical scheme of the utility model is as follows:
the utility model provides a duplex conical gear of tandem aggregate structure, contains first gear and second gear, and wherein first gear is hollow shaft conical gear, and the second gear is solid shaft conical gear, and the solid shaft of second gear inserts in the first gear hollow shaft, and both pass through the shaft hole cooperation, after the equipment of exerting pressure in place, through the fastening bolt fastening that axial set up between the solid shaft of first gear and second gear form the rigidity integral structure.
Further, an axial threaded hole is formed in the end face, far away from the tooth face, of the solid shaft of the second gear, a central through hole is formed in the first gear, the central through hole, the inside of the hollow shaft and the threaded hole are communicated with each other, and a fastening bolt is screwed into the threaded hole from the central through hole to fasten the first gear and the second gear.
Further, be equipped with flat washer standing groove on the first gear, flat washer standing groove sets up around central through-hole and both communicate each other, and flat washer is placed in flat washer standing groove, and fastening bolt's head compresses tightly on flat washer, and fastening bolt's pole portion screw in to the screw hole of second gear solid axis.
Further, a positioning spline I is arranged on the inner wall of the hollow shaft of the first gear, which is close to one side of the tooth surface of the hollow shaft, a positioning spline II is arranged on the outer wall of the solid shaft of the second gear, which is far away from one side of the tooth surface of the hollow shaft, and the first gear and the second gear are connected through the spline to complete radial positioning.
Further, one end of the first gear hollow shaft far away from the tooth surface is provided with an adjusting gasket placing groove, an adjusting gasket is placed in the adjusting gasket placing groove, the adjusting gasket is extruded between the first gear hollow shaft and the second gear, and the axial installation size is adjusted and determined.
The utility model has the positive effects that: the utility model not only sets the duplex conical gear as a split structure and simplifies the processing procedure and is convenient to assemble and disassemble, but also can configure and combine different gears to meet different output rotating speed requirements. When the gear is damaged and needs to be replaced, the gear can be replaced after being disassembled, so that the gear can be quickly repaired. And the coaxiality is high, the processing is convenient, and the manufacturing and using costs can be effectively reduced.
Drawings
FIG. 1 is a schematic diagram of the structure of a duplex bevel gear of the present utility model;
FIG. 2 is a schematic diagram of a first gear structure according to the present utility model;
FIG. 3 is a schematic diagram of a second gear structure according to the present utility model;
in the figure: the gear comprises a fastening bolt 1, a flat washer 2, a first gear 3, a central through hole 31, a flat washer placing groove 32, a first positioning spline 33, an adjusting washer placing groove 34, an adjusting washer 4, a second gear 5, a threaded hole 51 and a second positioning spline 52.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
with reference to fig. 1-3, this embodiment provides a tandem conical gear with a tandem aggregate structure, which comprises a first gear 3 and a second gear 5, wherein the first gear 3 is a hollow shaft conical gear, the second gear 5 is a solid shaft conical gear, the solid shaft of the second gear 5 is inserted into the hollow shaft of the first gear 3, and the two gears are assembled in place by shaft hole matching and pressing; the solid shaft of the second gear 5 is provided with an axial threaded hole 51, the first gear 3 is provided with a central through hole 31, the hollow shaft and the threaded hole 51 are mutually communicated, and the fastening bolt 1 is screwed into the threaded hole 51 from the central through hole to fasten the first gear 3 and the second gear 5 to form a rigid integrated structure.
Preferably, the first gear 3 and the second gear 5 are assembled and matched in an interference fit manner, so that the two gears have higher combination precision, and the two gears form a rigid set, and are connected in series.
Preferably, the first gear 3 is provided with a flat washer placing groove 32, the flat washer placing groove 32 is arranged around the central through hole 31 and communicated with the central through hole 31, the flat washer 2 is placed in the flat washer placing groove 32, the head of the fastening bolt 1 is pressed on the flat washer 2, and the rod part of the fastening bolt 1 is screwed into the threaded hole 51 of the solid shaft of the second gear 5. The plain washer 2 is used for bearing the fastening bolt 1 and balancing the bearing pressure of the first gear 3.
Preferably, a positioning spline one 33 is arranged on the inner wall of the hollow shaft of the first gear 3, which is close to the tooth surface side of the hollow shaft, a positioning spline two 52 is arranged on the outer wall of the solid shaft of the second gear 5, which is far away from the tooth surface side of the hollow shaft, and the first gear 3 and the second gear 5 are connected through splines to complete radial positioning.
Preferably, an adjusting gasket placing groove 34 is arranged at one end, far away from the tooth surface, of the hollow shaft of the first gear 3, an adjusting gasket 4 is placed in the adjusting gasket placing groove 34, the adjusting gasket 4 is extruded between the hollow shaft of the first gear 3 and the second gear 5, and the first gear 3 and the second gear 5 are adjusted through the adjusting gasket 4 to determine the axial installation size.
Claims (5)
1. The utility model provides a tandem cone gear of tandem aggregate structure which characterized in that: the novel gear comprises a first gear (3) and a second gear (5), wherein the first gear (3) is a hollow shaft conical gear, the second gear (5) is a solid shaft conical gear, a solid shaft of the second gear (5) is inserted into a hollow shaft of the first gear (3), the first gear and the solid shaft are matched through a shaft hole, and after the first gear (3) and the second gear are assembled in place under pressure, the hollow shaft of the first gear (3) and the solid shaft of the second gear (5) are fastened through an axially arranged fastening bolt (1) to form a rigid integrated structure.
2. A tandem cone gear of a tandem mass structure according to claim 1, wherein: the solid shaft of the second gear (5) is provided with an axial threaded hole (51) at one end face far away from the tooth surface, the first gear (3) is provided with a central through hole (31), the hollow shaft and the threaded hole (51) are mutually communicated, and the fastening bolt (1) is screwed into the threaded hole (51) from the central through hole to fasten the first gear (3) and the second gear (5).
3. A tandem cone gear of tandem mass structure as claimed in claim 2, wherein: be equipped with plain washer standing groove (32) on first gear (3), plain washer standing groove (32) set up around central through-hole (31) and both communicate each other, plain washer (2) are placed in plain washer standing groove (32), and the head of fastening bolt (1) compresses tightly on plain washer (2), and the pole portion of fastening bolt (1) stretches into in screw hole (51) of second gear (5) solid axle.
4. A tandem cone gear of tandem mass structure as claimed in claim 2, wherein: the inner wall of the hollow shaft of the first gear (3) close to one side of the tooth surface is provided with a positioning spline one (33), the outer wall of the solid shaft of the second gear (5) far away from one side of the tooth surface is provided with a positioning spline two (52), and the first gear (3) and the second gear (5) are connected through the spline to complete radial positioning.
5. A tandem cone gear of tandem structure according to claim 1 or 2, characterized in that: an adjusting gasket placing groove (34) is formed in one end, far away from the tooth surface, of the hollow shaft of the first gear (3), an adjusting gasket (4) is placed in the adjusting gasket placing groove (34), and the adjusting gasket (4) is extruded between the hollow shaft of the first gear (3) and the second gear (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010029.9U CN219673226U (en) | 2023-04-28 | 2023-04-28 | Tandem conical gear with tandem aggregate structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321010029.9U CN219673226U (en) | 2023-04-28 | 2023-04-28 | Tandem conical gear with tandem aggregate structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219673226U true CN219673226U (en) | 2023-09-12 |
Family
ID=87922507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321010029.9U Active CN219673226U (en) | 2023-04-28 | 2023-04-28 | Tandem conical gear with tandem aggregate structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219673226U (en) |
-
2023
- 2023-04-28 CN CN202321010029.9U patent/CN219673226U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240828 Address after: 063500 South side of Mengxin Street, Chengxi Park, Luannan County Economic Development Zone, Tangshan City, Hebei Province, east side of Chuangxin Road Patentee after: Tangshan Xinpu Machinery Manufacturing Co.,Ltd. Country or region after: China Address before: 063500 north side of East-West branch road of Agricultural Machinery Industrial Park, Chengxi Industrial Zone, LUANNAN COUNTY, Tangshan City, Hebei Province Patentee before: TANGSHAN XINWANDA INDUSTRIAL Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |