Face gear rotation speed reducer

Abstract

The invention relates to a face gear rotation speed reducer which comprises a shell, the shell is provided with an input flange and an output flange, a transmission assembly is arranged between the input flange and the output flange, the transmission assembly comprises an input gear shaft rotationally arranged on the input flange, the gear shaft extends into the shell, a face gear is arranged in the shell, and the input gear shaft extends into the output flange. The output flange is rotationally connected with the shell, the face gear is fixedly connected with the output flange, the input gear shaft is meshed with the face gear so that the input gear shaft can drive the output flange to rotate, the input gear shaft is directly meshed with the face gear, and high-speed rotation is converted into low-speed large-torque output of the output flange. The energy loss of traditional multi-stage transmission and the loss between transmission are reduced, the assembly complexity is reduced, and meanwhile the stability and durability of the speed reducer under the severe working condition are enhanced.

Description

Technical Field

[0001] The present invention relates to the field of speed reducers, and in particular to a face gear rotary speed reducer. Background Art

[0002] A face gear reducer is a device that uses a face gear transmission mechanism to achieve a deceleration function. Its core is to convert the high-speed rotation of the input shaft into a low-speed, high-torque output of the output shaft through the meshing of the face gear and the cylindrical gear or bevel gear. The reducer has the characteristics of compact structure, strong load-bearing capacity, and high transmission efficiency. It is widely used in industrial fields such as metallurgy, mining, lifting and transportation, and is particularly suitable for occasions requiring vertical or staggered shaft transmission.

[0003] Publication number CN118423428B discloses a reducer for solar photovoltaic tracking, which has the advantage that the sum of the angle between the outer end face of the first limiting protrusion and the outer end face of the second limiting protrusion and the arc angle of the limiting block is less than or equal to 170°, that is, the angle of the gear rotating from the hard limit of the first limiting protrusion and the limiting block to the hard limit of the second limiting protrusion and the limiting block is greater than or equal to 190°, so that the hard limit angle is above ±95°, and the difference between the arc angle of the gear ring and the arc angle of the worm is greater than or equal to 180°, that is, the tracking angle of the rotary reducer reaches ±90°, which can rotate the photovoltaic panel to be perpendicular to the ground and perpendicular to the ground. When the ground is clean, the snow on the photovoltaic panel surface can be cleared to the maximum extent, and the photovoltaic panels can be cleaned conveniently. At the same time, in some agricultural photovoltaic projects, the photovoltaic panels rotate perpendicular to the ground, which can maximize the use of land. This technology is transmitted through a worm. Although the worm gear transmission achieves a larger transmission ratio and direction self-locking, the relative sliding speed between the meshing gears is large. Long-term operation can easily cause serious wear of the tooth surface, a large amount of heat and high energy loss, resulting in low transmission efficiency; on the other hand, the worm gear processing technology is complex, the manufacturing cost is high, and the assembly accuracy requirements are strict, and the later maintenance is difficult. Therefore, this technology still has a certain room for modification. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a face gear rotary reducer in view of the above-mentioned deficiencies in the prior art.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a face gear slewing reducer, comprising a housing, the housing being respectively provided with an input flange and an output flange, a transmission assembly being provided between the input flange and the input flange, and characterized in that: the transmission assembly comprises an input gear shaft rotatably provided on the input flange, the gear shaft extending into the housing, a face gear being provided in the housing, the output flange being rotatably connected to the housing, the face gear being fixedly connected to the output flange, and the input gear shaft being engaged with the face gear so that the input gear shaft can drive the output flange to rotate.

[0006] With the above technical solution, the input gear shaft directly meshes with the face gear, converting high-speed rotation into low-speed, high-torque output at the output flange, reducing the energy loss of traditional multi-stage transmission and the loss between transmissions; the face gear is fixedly connected to the output flange, simplifying the power transmission path, improving transmission accuracy and load-bearing capacity, reducing assembly complexity, and enhancing the stability and durability of the reducer under harsh working conditions.

[0007] The above-mentioned face gear rotary reducer can be further configured as follows: a first abutment protrusion is provided at the connection between the housing and the input gear shaft, a first ball bearing and a second ball bearing are respectively provided at both ends of the first abutment protrusion, a first shaft retaining ring is provided at the connection between the input gear shaft and the first bearing, one end of the first ball bearing abuts against the first abutment protrusion and the other end abuts against the first shaft retaining ring, the input gear shaft is provided with a second abutment protrusion at the connection with the second ball bearing, one end of the second ball bearing abuts against the first abutment protrusion and the other end abuts against the abutment protrusion.

[0008] By adopting the above technical solution, the first ball bearing and the second ball bearing arranged at the connection between the first abutment protrusion and the input gear shaft are axially positioned by the first shaft retaining ring and the second abutment protrusion respectively, thereby limiting the radial displacement and axial movement of the gear shaft, reducing the risk of local wear, and maintaining low vibration and low noise under high-speed rotation or heavy load conditions, thereby extending the service life of the equipment, simplifying the assembly and maintenance process, and ensuring the reliable operation of the reducer in complex environments.

[0009] The above-mentioned face gear rotary reducer can be further configured as follows: an annular mounting groove for mounting an angular contact ball bearing is provided on the side of the face gear facing the output bearing, and the angular contact ball bearing is arranged between the face gear and the housing.

[0010] With the above technical solution, the annular mounting groove arranged on the side of the face gear facing the output bearing provides installation space for the angular contact ball bearing. The angular contact ball bearing is located between the face gear and the housing, effectively balancing the axial force and radial force generated by the gear meshing, and reducing vibration and noise during the transmission process.

[0011] The above-mentioned face gear rotary reducer can be further configured as follows: an input oil seal is provided between the input flange and the input gear shaft, the input flange and the housing are provided with a plurality of first mounting holes, the first mounting holes are provided with first fixing bolts, and the input flange and the housing are fixedly connected through the first mounting holes and the first fixing bolts.

[0012] By adopting the above technical solution, the input oil seal between the input flange and the input gear shaft effectively blocks the leakage of lubricating oil and the intrusion of external contaminants, ensuring the cleanliness and lubrication of the transmission system; the several first mounting holes provided on the housing and the input flange cooperate with the first fixing bolts to fix the two, ensuring the stability and vibration resistance of the power transmission path.

[0013] The above-mentioned face gear rotary reducer can be further configured as follows: an output oil seal is provided between the output flange and the housing, the face gear and the output flange are both provided with a plurality of second mounting holes, second fixing bolts are provided in the second mounting holes, the output flange and the face gear are fixedly connected through the second mounting holes and the second fixing bolts, and a plurality of positioning holes are provided on one end of the face gear facing the output flange and on the output flange, and positioning pins are provided in the positioning holes.

[0014] By adopting the above technical solution, an output oil seal is arranged between the output flange and the housing, which can effectively prevent oil leakage. The face gear and the output flange are both provided with a number of second mounting holes, and are fixedly connected in the second mounting holes by second fixing bolts, which can evenly disperse the force between the face gear and the output flange, avoid local stress concentration, and make the two more stable when transmitting power and torque, reducing the generation of vibration and noise. The setting of the locating pins and holes facilitates the positioning and installation of the output flange and the face gear.

[0015] The above-mentioned face gear rotary reducer can be further configured as follows: a plurality of connection holes for connecting to the outside are opened on the surface of the output flange, and a dust ring is further provided between the output flange and the housing.

[0016] By adopting the above technical solution, a number of connection holes for external connection are opened on the surface of the output flange, which enhances the scalability and versatility of the equipment. A dustproof ring is set between the output flange and the shell. The dustproof ring can prevent the invasion of dust and impurities and protect the precision parts inside the equipment.

[0017] The above-mentioned face gear rotary reducer can be further configured as follows: the end of the input gear shaft is provided with an embedded groove, a mounting flat key for external mounting is installed in the embedded groove, and the end of the input gear shaft is provided with a fixing hole for external fixation.

[0018] With the above technical solution, the embedded groove at the end of the input gear shaft provides installation space for installing a flat key, ensuring the synchronous rotation of the external drive component and the gear shaft. The fixing hole opened at the end can further achieve axial locking through fasteners, thereby enhancing the stability of the connection structure.

[0019] The beneficial effects of the present invention are as follows: the input gear shaft is directly meshed with the face gear, converting high-speed rotation into low-speed, high-torque output of the output flange, reducing the energy loss of traditional multi-stage transmission and the loss between transmissions, reducing assembly complexity, and enhancing the stability and durability of the reducer under harsh working conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a cross-sectional view of the structure of the present invention; Reference numerals: 1-housing, 2-input flange, 3-output flange, 4-input gear shaft, 5-face gear, 6-first abutting protrusion, 7-first ball bearing, 8-second ball bearing, 9-retaining ring for first shaft, 10-second abutting protrusion, 11-angular contact ball bearing, 12-annular mounting groove, 13-input oil seal, 14-first mounting hole, 15-first fixing bolt, 16-output oil seal, 17-second mounting hole, 18-second fixing bolt, 19-connecting hole, 20-dust ring, 21-embedded groove, 22-mounting flat key, 23-locating hole, 24-locating pin. DETAILED DESCRIPTION

[0021] This specific embodiment is merely an explanation of the present invention and is not intended to limit the present invention. After reading this specification, those skilled in the art may make non-creative modifications to this embodiment as needed. However, as long as such modifications are within the scope of the claims of the present invention, they are protected by patent law.

[0022] like Figure 1-2The present invention provides the following technical solutions: a face gear slewing reducer, comprising a housing 1, wherein the housing 1 is provided with an input flange 2 and an output flange 3, a transmission assembly is provided between the input flange 2 and the input flange 2, the transmission assembly comprising an input gear shaft 4 rotatably provided on the input flange 2, the gear shaft extending into the housing 1, a face gear 5 provided in the housing 1, the output flange 3 is rotatably connected to the housing 1, the face gear 5 is fixedly connected to the output flange 3, the input gear shaft 4 is engaged with the face gear 5 so that the input gear shaft 4 can drive the output flange 3 to rotate, and the input gear shaft 4 is directly meshed with the face gear 5 The gear 5 is fixedly connected to the output flange 3, which simplifies the power transmission path, improves the transmission accuracy and load-bearing capacity, reduces the assembly complexity, and enhances the stability and durability of the reducer under harsh working conditions. A first abutting protrusion 6 is provided at the connection between the housing 1 and the input gear shaft 4. A first ball bearing 7 and a second ball bearing 8 are provided at both ends of the first abutting protrusion 6. A first shaft retaining ring 9 is provided at the connection between the input gear shaft 4 and the first bearing. One end of the bearing 7 abuts against the first abutting protrusion 6 and the other end abuts against the first shaft retaining ring 9. The input gear shaft 4 is provided with a second abutting protrusion 10 at the connection of the second ball bearing 8. One end of the second ball bearing 8 abuts against the first abutting protrusion 6 and the other end abuts against the abutting protrusion. The first ball bearing 7 and the second ball bearing 8 provided at the connection between the first abutting protrusion 6 and the input gear shaft 4 are axially positioned by the first shaft retaining ring 9 and the second abutting protrusion 10 respectively, which limits the radial displacement and axial movement of the gear shaft, reduces the risk of local wear, and can still maintain low vibration under high-speed rotation or heavy load conditions. Low noise, extended equipment service life, simplified assembly and maintenance processes, ensuring the reliable operation of the reducer in complex environments, the face gear 5 is provided with an annular mounting groove 12 for the installation of the angular contact ball bearing 11 on the side facing the output bearing, the angular contact ball bearing 11 is arranged between the face gear 5 and the housing 1, and the annular mounting groove 12 provided on the side facing the output bearing of the face gear 5 provides an installation space for the angular contact ball bearing 11, the angular contact ball bearing 11 is between the face gear 5 and the housing 1, effectively balancing the axial force and radial force generated by the gear meshing, and reducing vibration and noise during transmission.

[0023] like Figure 1-2The present invention provides the following technical solutions: a face gear slewing reducer, an input oil seal 13 is provided between the input flange 2 and the input gear shaft 4, the input flange 2 is provided with a plurality of first mounting holes 14 on the housing 1, a first fixing bolt 15 is provided in the first mounting hole 14, the input flange 2 and the housing 1 are fixedly connected through the first mounting holes 14 and the first fixing bolts 15, the input oil seal 13 between the input flange 2 and the input gear shaft 4 effectively blocks the leakage of lubricating oil and the intrusion of external contaminants, thereby ensuring the cleanliness and lubrication of the transmission system; the plurality of first mounting holes 14 provided on the housing 1 and the input flange 2 4, cooperate with the first fixing bolt 15 to achieve the fixation of the two, ensuring the stability and anti-vibration ability of the power transmission path, an output oil seal 16 is provided between the output flange 3 and the housing 1, the face gear 5 and the output flange 3 are provided with a plurality of second mounting holes 17, the second mounting holes 17 are provided with second fixing bolts 18, the output flange 3 and the face gear 5 are fixedly connected through the second mounting holes 17 and the second fixing bolts 18, the face gear 5 facing the output flange 2 end and the output flange 2 are provided with a plurality of positioning holes 23, the positioning holes 23 are provided with positioning pins 24, and the output oil seal 16 is provided between the output flange 3 and the housing 1 , which can effectively prevent oil leakage, the face gear 5 and the output flange 3 are both provided with a plurality of second mounting holes 17, and are fixedly connected in the second mounting holes 17 by second fixing bolts 18, which can evenly disperse the force between the face gear 5 and the output flange 3, avoid local stress concentration, and make the two more stable when transmitting power and torque, reducing vibration and noise. The surface of the output flange 3 is provided with a plurality of connection holes 19 for connecting to the outside, and a dust ring 20 is also provided between the output flange 3 and the housing 1. The surface of the output flange 3 is provided with a plurality of connection holes 19 for connecting to the outside, which enhances the scalability and Universality, a dust ring 20 is set between the output flange 3 and the housing 1, and the dust ring 20 can prevent the invasion of dust and impurities and protect the precision parts inside the equipment. An embedded groove 21 is provided at the end of the input gear shaft 4, and a mounting flat key 22 mounted on the outside is installed in the embedded groove 21. A fixing hole 23 fixed to the outside is opened at the end of the input gear shaft 4. The embedded groove 21 at the end of the input gear shaft 4 provides an installation space for the installation flat key 22 to ensure the synchronous rotation of the external drive component and the gear shaft. The fixing hole 23 opened at the end can further achieve axial locking through fasteners, thereby enhancing the stability of the connection structure.

[0024] The beneficial effects of the present invention are as follows: the input gear shaft 4 is directly engaged with the face gear 5, converting high-speed rotation into low-speed, high-torque output of the output flange 3, reducing the energy loss of traditional multi-stage transmission and the loss between transmissions, reducing assembly complexity, and enhancing the stability and durability of the reducer under harsh working conditions.

Claims

1. A face gear slewing reducer, comprising a housing, wherein the housing is provided with an input flange and an output flange, and a transmission assembly is provided between the input flanges, characterized in that: The transmission assembly includes an input gear shaft rotatably mounted on an input flange, the gear shaft extending into a housing, a face gear being disposed within the housing, the output flange being rotatably connected to the housing, the face gear being fixedly connected to the output flange, and the input gear shaft meshing with the face gear enabling the input gear shaft to drive the output flange to rotate.

2. The face gear rotary reducer according to claim 1, characterized in that: A first abutment protrusion is provided at the connection between the housing and the input gear shaft, and a first ball bearing and a second ball bearing are respectively provided at both ends of the first abutment protrusion. A first shaft retaining ring is provided at the connection between the input gear shaft and the first bearing, one end of the first ball bearing abuts against the first abutment protrusion and the other end abuts against the first shaft retaining ring. A second abutment protrusion is provided at the connection between the input gear shaft and the second ball bearing, one end of the second ball bearing abuts against the first abutment protrusion and the other end abuts against the abutment protrusion.

3. The face gear rotary reducer according to claim 2, characterized in that: An annular mounting groove for mounting an angular contact ball bearing is provided on the side of the face gear facing the output bearing, and the angular contact ball bearing is arranged between the face gear and the housing.

4. The face gear rotary reducer according to claim 1, characterized in that: An input oil seal is provided between the input flange and the input gear shaft. The input flange and the housing are both provided with a plurality of first mounting holes. First fixing bolts are provided in the first mounting holes. The input flange and the housing are fixedly connected through the first mounting holes and the first fixing bolts.

5. The face gear rotary reducer according to claim 4, characterized in that: An output oil seal is provided between the output flange and the housing, and a plurality of second mounting holes are provided on the face gear and the output flange, and second fixing bolts are provided in the second mounting holes. The output flange and the face gear are fixedly connected via the second mounting holes and the second fixing bolts, and a plurality of positioning holes are provided on the end of the face gear facing the output flange and on the output flange, and positioning pins are provided in the positioning holes.

6. The face gear rotary reducer according to claim 5, characterized in that: The output flange surface is provided with a plurality of connection holes for connection with the outside, and a dustproof ring is provided between the output flange and the housing.

7. The face gear rotary reducer according to claim 6, characterized in that: An inner groove is provided at the end of the input gear shaft, and a mounting flat key for mounting with the outside is installed in the inner groove.

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