CN212407470U - Helical gear speed reducer - Google Patents
Helical gear speed reducer Download PDFInfo
- Publication number
- CN212407470U CN212407470U CN202020922381.XU CN202020922381U CN212407470U CN 212407470 U CN212407470 U CN 212407470U CN 202020922381 U CN202020922381 U CN 202020922381U CN 212407470 U CN212407470 U CN 212407470U
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- helical gear
- driving
- driven
- driving shaft
- end cover
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Abstract
The utility model relates to the technical field of speed reducers, in particular to a helical gear speed reducer, which comprises a speed reducer base, wherein the upper surface of the speed reducer base is bolted with a big end cover, the upper surface of the big end cover is provided with a driving shaft clamping groove, the inner surface of the driving shaft clamping groove is rotationally connected with a driving shaft, the left outer surface of the driving shaft is welded with a driving big helical gear, the right outer surface of the driving shaft is welded with a driving small helical gear, the left and right end surfaces of the driving shaft are rotationally connected with a driving bearing, the upper surface of the big end cover is provided with a driven shaft clamping groove, the inner surface of the driven shaft clamping groove is rotationally connected with a driven shaft, the left outer surface of the driven shaft is welded with a driven big helical gear, and the double helical gear structure, the friction wear of the gears in the gear meshing can be effectively reduced by adding lubricating oil to the gear connection through the designed oil groove.
Description
Technical Field
The utility model particularly relates to a reduction gear technical field specifically is helical gear reduction gear.
Background
The reducer is an independent part consisting of gear transmission, worm transmission and gear-worm transmission enclosed in a rigid shell, and is commonly used as a speed reduction transmission device between a prime mover and a working machine. The function of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuating mechanism is very extensive in modern machinery.
The speed reducer plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or the actuating mechanism, and is a relatively precise machine. Its purpose is to reduce the speed and increase the torque. It has various types, different models and different purposes. The speed reducers are various in types and can be divided into gear speed reducers, worm speed reducers and planetary gear speed reducers according to the transmission types; the speed reducer can be divided into a single-stage speed reducer and a multi-stage speed reducer according to different transmission stages; according to the shape of the gear, the gear can be divided into a cylindrical gear reducer, a conical gear reducer and a conical-cylindrical gear reducer; according to the arrangement form of transmission, the speed reducer can be divided into an expansion type speed reducer, a shunt type speed reducer and a coaxial type speed reducer.
The existing speed reducer is required to decelerate the power transmission mechanism in the process of mechanical transmission, but the existing speed reducer has the problems of serious abrasion in the using process and large axial force in the gear decelerating process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide the helical gear reduction gear, solve current reduction gear and have the more serious condition of wearing and tearing in the in-process that uses, moreover at the bigger problem of gear reduction's in-process axial force.
In order to achieve the above object, the utility model provides a following technical scheme: the helical gear reducer comprises a reducer base, wherein a large end cover is bolted to the upper surface of the reducer base, a driving shaft clamping groove is formed in the upper surface of the large end cover, a driving shaft is connected to the inner surface of the driving shaft clamping groove in a rotating mode, a driving large helical gear is connected to the outer surface of the left side of the driving shaft in a welding mode, a driving small helical gear is connected to the outer surface of the right side of the driving shaft in a welding mode, and driving bearings are connected to the left end surface and the right.
The driven shaft clamping groove is formed in the upper surface of the large end cover, the driven shaft is connected to the inner surface of the driven shaft clamping groove in a rotating mode, the driven large helical gear is connected to the outer surface of the left side of the driven shaft in a welding mode, the driven small helical gear is connected to the outer surface of the right side of the driven shaft in a welding mode, the driven bearing is connected to the left end surface and the right end surface of the driven shaft in a rotating mode, the upper surface of the large end cover is connected with the box cover through.
As a further aspect of the present invention: the left surface of the reducer base is provided with a vent hole.
As a further aspect of the present invention: and the right surface of the speed reducer base is welded and connected with an oil drain plug.
As a further aspect of the present invention: the upper surface welded connection of reduction gear frame has big end cover just big end cover adopts alloy steel material.
As a further aspect of the present invention: and the driving large helical gear is in gear engagement connection with the driven small helical gear.
As a further aspect of the present invention: an oil groove is formed in the upper surface of the box cover.
As a further aspect of the present invention: and reinforcing ribs are welded on the left side surface and the right side surface of the box cover.
Compared with the prior art, the utility model discloses a technological effect and advantage: the double-bevel gear structure of the driving large helical gear, the driving small helical gear, the driven large helical gear and the driven small helical gear can effectively offset the transmission axial force of the two gears, and lubricating oil is added into the gear connection through the designed oil groove to effectively reduce the friction and the abrasion of the gears in the gear meshing.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a partial schematic view of the structure of the present invention.
Fig. 3 is a partial schematic view of the structure of the present invention.
Fig. 4 is a front view of the structure of the present invention.
Fig. 5 is a main sectional view of the structure of the present invention.
Fig. 6 is a left side view of the structure of the present invention.
Fig. 7 is a top view of the structure of the present invention.
In the figure: 1-reducer base, 2-big end cover, 3-driving shaft clamping groove, 4-driving shaft, 5-driving big helical gear, 6-driving small helical gear, 7-driving bearing, 8-driven shaft clamping groove, 9-driven shaft, 10-driven big helical gear, 11-driven small helical gear, 12-driven bearing, 13-box cover, 14-fastening bolt, 15-oil groove, 16-reinforcing rib, 17-air vent and 18-oil drain plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a chemical analysis agitator as shown in fig. 1-7, as shown in fig. 1, reduction gear frame 1's upper surface bolted connection has big end cover 2, driving shaft draw-in groove 3 has been seted up to big end cover 2's upper surface and has been carried out the driving shaft 4 inlay card, driving shaft draw-in groove 3's interior surface rotation is connected with driving shaft 4, driving shaft 4's left side surface welded connection has initiative big helical gear 5, driving shaft 4's right side surface welded connection has initiative small helical gear 6, driving shaft 4's the rotation of both ends face about is connected with initiative bearing 7.
As shown in fig. 2, a driven shaft clamping groove 8 is formed in the upper surface of the large end cover 2, a driven shaft 9 is connected to the inner surface of the driven shaft clamping groove 8 in a rotating mode, a driven large helical gear 10 is connected to the outer surface of the left side of the driven shaft 9 in a welding mode, a driven small helical gear 11 is connected to the outer surface of the right side of the driven shaft 9 in a welding mode, driven bearings 12 are connected to the left end surface and the right end surface of the driven shaft 9 in a rotating mode, a box cover 13 is connected to the upper surface of the large end cover.
As shown in fig. 3 and as fig. 4, air vent 17 has been seted up to the left surface of reduction gear frame 1, and the right surface welded connection of reduction gear frame 1 has drain plug 18, and the upper surface welded connection of reduction gear frame 1 has big end cover 2 and big end cover 2 to adopt alloy steel material, and initiative big helical gear 5 is connected with driven little helical gear 11 gear engagement, and oil groove 15 has been seted up to the upper surface of case lid 13, and the left and right sides face welded connection of case lid 13 has strengthening rib 16 to improve the utility model discloses a mechanical strength.
The utility model discloses the theory of operation: use the utility model discloses the time, at first inlay 7 on 4 both sides, and the internal surface at 3 is fixed in the installation, simultaneously fix the internal surface at 8 with 9 both sides nestification 12 and installation, when slowing down, the rotation that drives 10 through 6, owing to be 6 the number of teeth is than driving the number of teeth more 10 less, can reduce 10's rotational speed when 6 high-speed rotatory time drive 10's many gears rotate, when carrying out the acceleration rate, drive 11's rotation through 5, because 5 the number of teeth is 11 will be many, consequently when 5 rotates, can drive 11 fast-speed rotation and carry out the acceleration rate.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. Helical gear reduction gear, including reduction gear frame (1), its characterized in that: the upper surface of the reducer base (1) is in bolted connection with a large end cover (2), a driving shaft clamping groove (3) is formed in the upper surface of the large end cover (2), a driving shaft (4) is rotatably connected to the inner surface of the driving shaft clamping groove (3), a driving large helical gear (5) is welded and connected to the outer surface of the left side of the driving shaft (4), a driving small helical gear (6) is welded and connected to the outer surface of the right side of the driving shaft (4), and driving bearings (7) are rotatably connected to the left end surface and the right end surface of the driving shaft (4;
driven shaft draw-in groove (8) have been seted up to the upper surface of big end cover (2), the internal surface rotation of driven shaft draw-in groove (8) is connected with driven shaft (9), the left side surface welded connection of driven shaft (9) has driven big helical gear (10), the right side surface welded connection of driven shaft (9) has driven bevel pinion (11), both ends face rotation is connected with driven bearing (12) about driven shaft (9), the upper surface bolted connection of big end cover (2) has case lid (13), the upper surface bolted connection of case lid (13) has fastening bolt (14).
2. The helical gear reducer of claim 1, wherein: the left surface of the reducer base (1) is provided with a vent hole (17).
3. The helical gear reducer of claim 1, wherein: the right surface of the reducer base (1) is welded with an oil drain plug (18).
4. The helical gear reducer of claim 1, wherein: the upper surface welded connection of reduction gear frame (1) has big end cover (2) just big end cover (2) adopt the alloy steel material.
5. The helical gear reducer of claim 1, wherein: the driving large helical gear (5) is in gear engagement connection with the driven small helical gear (11).
6. The helical gear reducer of claim 1, wherein: an oil groove (15) is formed in the upper surface of the box cover (13).
7. The helical gear reducer of claim 1, wherein: and reinforcing ribs (16) are welded and connected to the left side surface and the right side surface of the box cover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020922381.XU CN212407470U (en) | 2020-05-27 | 2020-05-27 | Helical gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020922381.XU CN212407470U (en) | 2020-05-27 | 2020-05-27 | Helical gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212407470U true CN212407470U (en) | 2021-01-26 |
Family
ID=74403251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020922381.XU Active CN212407470U (en) | 2020-05-27 | 2020-05-27 | Helical gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212407470U (en) |
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2020
- 2020-05-27 CN CN202020922381.XU patent/CN212407470U/en active Active
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