CN218408347U

CN218408347U - Conical gear reducer

Info

Publication number: CN218408347U
Application number: CN202221982646.0U
Authority: CN
Inventors: 陈会峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2023-01-31
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a conical gear reduction gear mainly is applied to reduction gear technical field, contains lower cover, goes up the cover, it sets up the bearing to go up the cover center, bearing inner race penetrates the input shaft, the input shaft bilateral symmetry sets up the transmission shaft, set up first conical gear, second conical gear on the transmission shaft, first conical gear, second conical gear are coaxial, and can dismantle the connection through the pin, second conical gear passes through the bearing and is connected with the transmission shaft, the cover center sets up the bearing down, bearing inner race penetrates the output shaft, the output shaft is connected with third conical gear, the inside connection fourth conical gear of dismantling of cover down. Use the utility model relates to a conical gear reduction gear, overall structure is compact, and it is convenient to maintain, and single-stage drive ratio is high, and the operation is stable, and the number of teeth of meshing is more simultaneously, and the unit area load is big, and bearing capacity is strong, possesses the auto-lock ability, and low in manufacturing cost possesses high economic value.

Description

Conical gear reducer

Technical Field

The utility model relates to a reduction gear technical field, concretely relates to conical 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 is generally used for low-speed and high-torque transmission equipment, and the purpose of speed reduction is achieved by meshing a motor, an internal combustion engine or other high-speed running power with a large gear on an output shaft through a gear with a small number of teeth on an input shaft of the speed reducer.

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; according to different transmission stages, the speed reducer can be divided into a single-stage speed reducer and a multi-stage speed reducer; 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 speed reducer, a shunt speed reducer and a coaxial speed reducer.

Traditional speed reducer vibrations are big, and is bulky, and the quality is heavy, and input shaft and output shaft disalignment, single-stage transmission are smaller, and the number of teeth of meshing is less simultaneously, and the unit area load is little, and bearing capacity is poor, does not take self-locking function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a conical gear reduction gear, it is big to solve the speed reducer vibrations, and is bulky, and the quality is heavy, input shaft and output shaft disalignment, and single-stage transmission is smaller, and the number of teeth of meshing is less simultaneously, and unit area load is little, and bearing capacity is poor, does not take self-locking function's problem.

The technical scheme of the utility model is that: the utility model provides a conical gear speed reducer, includes lower cover, last cover, it sets up the bearing to go up the cover center, the bearing inner race penetrates the input shaft, the input shaft bilateral symmetry sets up the transmission shaft, set up first conical gear, second conical gear on the transmission shaft, first conical gear, second conical gear are coaxial, and can dismantle the connection through the pin, second conical gear passes through the bearing and is connected with the transmission shaft, the cover center sets up the bearing down, the bearing inner race penetrates the output shaft, the output shaft is connected with third conical gear, the cover is inside can dismantle the connection fourth conical gear down, third conical gear, fourth conical gear are coaxial, first conical gear and third conical gear meshing, second conical gear and fourth conical gear meshing.

Preferably, the first conical gear, the second conical gear, the third conical gear and the fourth conical gear are designed by any one of straight teeth, helical bevel teeth and curved bevel teeth.

Preferably, the first conical gear and the second conical gear are fixedly connected and adopt an integral forming process.

Preferably, a plurality of bolt holes are formed in the edge of the lower cover.

Preferably, the lower machine cover and the upper machine cover are connected through bolts.

Preferably, the transmission shaft is perpendicular to the input shaft, and the transmission shaft is detachably connected with the input shaft through a pin.

Preferably, a flange is arranged at the tail end of the output shaft.

The principle of the utility model is as follows: the end of the input shaft is perpendicularly connected with 2 transmission shafts, the transmission shafts are symmetrically arranged, the transmission shafts are fixedly connected with first conical gears, the end of the transmission shafts are connected with bearing inner rings, bearing outer rings are in interference fit with second conical gears, the first conical gears and the second conical gears are connected through pins to realize synchronous rotation, the fourth conical gears are detachably connected with a lower cover through bolts, the third conical gears are connected with the lower cover through bearings and are connected with an output shaft, the first conical gears are meshed with the third conical gears, and the second conical gears are meshed with the fourth conical gears. The utility model discloses during the operation, input shaft connection power input part, like motor, gasoline engine, diesel engine, steam turbine etc. power input part drives the input shaft rotatory, the input shaft drives the transmission shaft rotatory, the transmission shaft drives first conical gear, second conical gear rotatory, and the teeth of a cogwheel of first conical gear wheel and third conical gear's the meshing of the teeth of a cogwheel, transmission power, and the teeth of a cogwheel of second conical gear and fourth conical gear teeth meshing simultaneously, in the twinkling of an eye of transmission power, there are two sets of teeth of a cogwheel intermeshing simultaneously, have improved the unit area load, bearing capacity further improves, because set up the bearing between second conical gear and the transmission shaft, can realize first conical gear, second conical gear is rotatory with the same rotational speed, gives third conical gear with power simultaneously, third conical gear drives the output shaft, accomplishes power transmission, realizes that power input part high rotational speed, low moment of torsion turns into low-speed, high torque power output, the utility model discloses a gear sets up the adjustment of first conical gear, second conical gear, third conical gear, fourth conical gear, realizes the gear's gear ratio of transmission, and compact, and the operation is relatively high, and the light cone power output is relatively high, and the whole cone power output of light cone mechanism, and the cost is relatively high.

The utility model discloses the technical problem that will solve is: the gear ratios among the first conical gear, the second conical gear, the third conical gear and the fourth conical gear can be adjusted according to the requirement of a transmission ratio, and the gear reducer has the advantages of simple structural design, high transmission efficiency, high single-stage transmission ratio, small volume and light weight.

The utility model has the advantages that: the conical gear reducer is compact in overall structure, convenient to maintain, high in single-stage transmission ratio, stable in operation, high in meshed tooth number, large in unit area load, strong in bearing capacity, capable of self-locking, low in manufacturing cost and high in economic value.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is a three-dimensional sectional view of the present invention;

fig. 3 is a three-dimensional sectional view of the present invention;

in the figure, 101-lower cover, 102-upper cover, 103-input shaft, 104-transmission shaft, 105-first conical gear, 106-second conical gear, 107-third conical gear, 108-fourth conical gear, 109-output shaft, 110-bolt hole.

Detailed Description

The utility model discloses a concrete implementation way does: as shown in fig. 1, 2, and 3, a conical gear reducer includes a lower cover 101 and an upper cover 102, a bearing is disposed in the center of the upper cover 102, an inner ring of the bearing penetrates into an input shaft 103, transmission shafts 104 are symmetrically disposed on both sides of the input shaft 103, a first conical gear 105 and a second conical gear 106 are disposed on the transmission shafts 104, the first conical gear 105 and the second conical gear 106 are coaxial and are detachably connected through a pin, the second conical gear 106 is connected with the transmission shafts 104 through a bearing, a bearing is disposed in the center of the lower cover 101, the inner ring of the bearing penetrates into an output shaft 109, the output shaft 109 is connected with a third conical gear 107, a fourth conical gear 108 is detachably connected inside the lower cover 101, the third conical gear 107 and the fourth conical gear 108 are coaxial, the first conical gear 105 is engaged with the third conical gear 107, and the second conical gear 106 is engaged with the fourth conical gear 108.

The utility model discloses manufacturing process: the lower cover 101 and the upper cover 102 can be integrally formed by casting or CNC, the processing materials can be steel or aluminum materials according to needs, and the diameters of the input shaft 103, the output shaft 109 and the transmission shaft 104 can be adjusted according to the transmission ratio requirement and the gear ratio among the first conical gear 105, the second conical gear 106, the third conical gear 107 and the fourth conical gear 108, so as to meet the requirement of power transmission. The bevel gear can be machined by adopting a one-time adjustment method, a single cutter head method, a swinging small wheel pitch cone method, a bidirectional rolling cutting method and the like, and a proper machining mode is selected according to design requirements, and bearings between the second bevel gear 106 and the transmission shaft 104, bearings between the input shaft 103 and the upper cover 102, and bearings between the third bevel gear 107 and the lower cover 101 can be purchased from the market according to the design requirements.

Specifically, the first conical gear 105, the second conical gear 106, the third conical gear 107 and the fourth conical gear 108 are designed by any one of straight teeth, helical teeth and bevel teeth. Can select suitable teeth of a cogwheel design according to specific operating mode, guarantee the utility model discloses operate steadily.

Specifically, the first conical gear 105 and the second conical gear 106 are fixedly connected, and an integral forming process is adopted. The first conical gear 105 and the second conical gear 106 manufactured by the integral forming process improve the meshing number of gear teeth at the same time, improve the unit contact area and improve the load capacity.

Specifically, as shown in fig. 1, a plurality of bolt holes 110 are formed in the edge of the lower cover 101.

Specifically, as shown in fig. 1, the lower cover 101 and the upper cover 102 are connected by bolts.

Specifically, as shown in fig. 1, 2, and 3, the transmission shaft 104 is perpendicular to the input shaft 103, and the transmission shaft 104 is detachably connected to the input shaft 103 by a pin. The transmission shaft 104 is detachably connected with the input shaft 103 through a pin, so that the subsequent maintenance and replacement of the input shaft 103 and the transmission shaft 104 are facilitated.

Specifically, as shown in fig. 3, a flange is disposed at the end of the output shaft 109. The flange plate is convenient to be connected with other power input devices.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. 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

1. A conical gear reducer comprises a lower machine cover (101) and an upper machine cover (102), and is characterized in that: go up cover (102) center and set up the bearing, the bearing inner race penetrates input shaft (103), input shaft (103) bilateral symmetry sets up transmission shaft (104), set up first conical gear (105), second conical gear (106) on transmission shaft (104), first conical gear (105), second conical gear (106) are coaxial, and can dismantle the connection through the pin, second conical gear (106) are connected with transmission shaft (104) through the bearing, cover (101) center sets up the bearing down, the bearing inner race penetrates output shaft (109), output shaft (109) and third conical gear (107) are connected, cover (101) inside can be dismantled down and connect fourth conical gear (108), third conical gear (107), fourth conical gear (108) are coaxial, first conical gear (105) and third conical gear (107) meshing, second conical gear (106) and fourth conical gear (108) meshing.

2. A bevel gear reducer according to claim 1 in which: the first conical gear (105), the second conical gear (106), the third conical gear (107) and the fourth conical gear (108) are designed by any one of straight teeth, helical bevel teeth and curved bevel teeth.

3. A bevel gear reducer according to claim 1 in which: the first conical gear (105) and the second conical gear (106) are fixedly connected and adopt an integral forming process.

4. A bevel gear reducer according to claim 1 in which: a plurality of bolt holes (110) are formed in the edge of the lower machine cover (101).

5. A bevel gear reducer according to claim 1 in which: the lower machine cover (101) and the upper machine cover (102) are connected through bolts.

6. A bevel gear reducer according to claim 1 in which: the transmission shaft (104) is perpendicular to the input shaft (103), and the transmission shaft (104) is detachably connected with the input shaft (103) through a pin.

7. A bevel gear reducer according to claim 1 in which: and a flange plate is arranged at the tail end of the output shaft (109).