CN214838273U

CN214838273U - Rotary speed reducer

Info

Publication number: CN214838273U
Application number: CN202121233940.7U
Authority: CN
Inventors: 余远超; 蔡志明; 王德申; 李荃; 张宗海; 贾雷
Original assignee: Nanjing High Speed and Accurate Gear Group Co Ltd
Current assignee: Nanjing High Speed and Accurate Gear Group Co Ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-11-23
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a rotary speed reducer belongs to speed reducer technical field. The rotary speed reducer is arranged on a main machine, the main machine comprises a rack and a rotary support, the rotary speed reducer comprises a speed reducer body, the speed reducer body comprises an installation flange and an output gear, and the installation flange is fixedly arranged on the rack; the output gear is meshed with the slewing bearing, the axis of the output gear is parallel to the installation center line of the installation flange, and a spacing distance is arranged between the axis of the output gear and the installation center line of the installation flange. The utility model discloses a slewing reducer, when installing with the host computer, can adjust the backlash between output gear and the slewing bearing, improved the meshing precision between output gear and the slewing bearing, and then improved slewing reducer's performance, and be convenient for install.

Description

Rotary speed reducer

Technical Field

The utility model relates to a speed reducer technical field especially relates to a rotary speed reducer.

Background

When the rotary speed reducer is installed on the host machine, the installation seat of the rotary speed reducer is fixedly connected with the rack on the host machine, and the output gear on the rotary speed reducer is in meshing transmission with the rotary support on the host machine. Because the slewing bearing is generally large, machining deviation exists during machining, the machining deviation causes the change of the backlash of the output gear, the installation of the slewing reducer is inconvenient, and the performance of the slewing reducer is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rotary speed reducer, when installing with the host computer, can adjust the backlash between output gear and the slewing bearing, the installation of being convenient for improves rotary speed reducer's performance.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a slewing reducer installs on the host computer, the host computer includes frame and slewing bearing, slewing reducer includes the speed reducer body, the speed reducer body includes:

the mounting flange is fixedly arranged on the rack;

the output gear, the output gear with slewing bearing meshes mutually, the axis of output gear is on a parallel with the installation center line of mounting flange, the axis of output gear with be provided with the spacing distance between the installation center line of mounting flange.

Optionally, the mounting flange has a plurality of mounting holes distributed thereon, each of the mounting holes has a distribution center line as the mounting center line, the distribution center line coincides with the axis of the mounting flange, and the axis of the output gear and the axis of the mounting flange are provided with a spacing distance.

Optionally, the peripheral surface of the mounting flange is provided with an identification structure, and the identification structure is arranged along the separation direction of the axis of the output gear and the interval of the mounting center line of the mounting flange.

Optionally, the identification structure is a groove formed in the periphery of the mounting flange, and the groove is formed in one side of the mounting center line close to the mounting flange.

Optionally, the slewing reducer further comprises:

the motor comprises a mounting seat and is arranged on one side, away from the output gear, of the speed reducer body;

the brake seat is arranged between the speed reducer body and the motor, one side, deviating from the speed reducer body, of the brake seat is provided with a flange plate, the mounting seat is fixedly arranged on the flange plate, and the mounting seat can wind the axis of the flange plate to adjust the position.

Optionally, a plurality of groups of threaded connection holes are formed in the flange plate, a group of connection through holes are formed in the mounting seat, and the connection through holes can be arranged corresponding to any group of threaded connection holes.

Optionally, the flange plate is provided with even number of threaded connection holes at even intervals along the circumferential direction, the mounting seat is symmetrically provided with two connection through holes, and the two connection through holes can be matched with any two symmetrically arranged threaded connection holes.

Optionally, an oil inlet is formed in the speed reducer body, an oil discharge opening is formed in the periphery of the mounting flange, the oil discharge opening is communicated with the oil inlet, the oil discharge opening is formed in the radial direction of the mounting flange, and one end, close to the output gear, of the mounting flange is connected with the frame.

Optionally, the oil inlet is arranged on one side of the mounting flange, which faces away from the output gear.

The utility model has the advantages that:

when the slewing bearing has processing deviation, the distance between the axis of the output gear shaft and the axis of the slewing bearing can be adjusted by rotating the mounting flange at the moment because the output gear and the mounting flange are eccentrically arranged, so that the backlash between the gear teeth of the output gear and the slewing bearing is adjusted, the meshing precision between the output gear and the slewing bearing is improved, and the performance of the slewing reducer is further improved; and the structure is simple, the adjustment is convenient, and the installation is convenient.

Drawings

Fig. 1 is a schematic structural view of a rotary speed reducer according to an embodiment of the present invention;

fig. 2 is a plan view of a rotary reduction gear according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a flange provided in an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a mounting seat according to an embodiment of the present invention.

In the figure:

1. a speed reducer body; 11. installing a flange; 111. an oil discharge port; 112. identifying a structure; 113. mounting holes; 12. an output gear; 13. an oil inlet;

2. a motor; 21. a mounting seat; 211. a connecting through hole;

3. a brake seat; 31. a flange plate; 311. and (4) connecting the holes by screw threads.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention and the technical effects achieved by the present invention clearer, the following will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The embodiment provides a rotary speed reducer, which is mounted on a main machine, wherein the main machine comprises a rack and a rotary support, as shown in fig. 1 and fig. 2, the rotary speed reducer comprises a speed reducer body 1, the speed reducer body 1 comprises a mounting flange 11 and an output gear 12, and specifically, the mounting flange 11 is fixedly arranged on the rack; the output gear 12 is meshed with the slewing bearing, the axis of the output gear 12 is parallel to the installation center line of the installation flange 11, and a spacing distance is arranged between the axis of the output gear 12 and the installation center line of the installation flange 11.

During installation, the installation flange 11 is installed with a frame of a main machine, and the output gear 12 is meshed with a main machine slewing bearing; when the slewing bearing has machining deviation, because the output gear 12 and the mounting flange 11 are arranged eccentrically, the distance between the axis of the output gear 12 and the axis of the slewing bearing can be adjusted by rotating the mounting flange 11, so that the backlash between the gear teeth of the output gear 12 and the slewing bearing is adjusted, the meshing precision between the output gear 12 and the slewing bearing is improved, and the performance of the slewing reducer is improved; and the structure is simple, the adjustment is convenient, and the installation is convenient.

In this embodiment, as shown in fig. 2, a plurality of mounting holes 113 are distributed in the mounting flange 11 along the circumferential direction, a distribution center line of each mounting hole 113 is a mounting center line of the mounting flange 11, the distribution center line is overlapped with an axis of the mounting flange 11, and an interval distance d is provided between an axis of the output gear 12 and an axis of the mounting flange 11, so that the axis of the output gear 12 and the mounting center line of the mounting flange 11 are arranged at intervals, and specifically, a value of d may be set according to actual requirements without limitation. In this embodiment, twenty-four mounting holes 113 are formed in the mounting flange 11; specifically, a plurality of threaded holes are formed in the rack, each mounting hole 113 and each threaded hole are arranged in a one-to-one correspondence mode, and the fasteners penetrate through the mounting holes 113 and are matched with the threaded holes, so that the mounting flange 11 is fixed to the rack, the structure is simple, and the mounting and dismounting are convenient. Specifically, when the mounting flange 11 is mounted on the rack, the end surface of the mounting flange 11 close to the rack and the inner wall of the mounting hole 113 of the mounting flange 11 are coated with anti-rust oil, so as to improve the service life. Specifically, the output gear 12 is an output gear shaft structure.

Optionally, as shown in fig. 2, the outer circumferential surface of the mounting flange 11 is provided with an identification structure 112, and the identification structure 112 is arranged along the direction of separating the axis of the output gear 12 from the mounting center line of the mounting flange 11, so as to identify the maximum or minimum eccentricity at the position during mounting; alternatively, the identification structure 112 may be a groove, a boss, a notch, a scribed line, or the like, which is easy to identify and is not limited; in this embodiment, the identification structure 112 is a groove formed at the periphery of the mounting flange 11, which is convenient for processing and can prevent interference with external structures; in this embodiment, the groove is disposed on a side close to the installation center line of the installation flange 11.

Optionally, as shown in fig. 1, 3 and 4, the rotary speed reducer further includes a motor 2 and a brake seat 3, wherein the motor 2 includes a mounting seat 21 disposed on a side of the speed reducer body 1 facing away from the output gear 12; the brake seat 3 is arranged between the speed reducer body 1 and the motor 2, a flange plate 31 is arranged on one side, away from the speed reducer body 1, of the brake seat 3, the mounting seat 21 is fixedly arranged on the flange plate 31 through bolts, and the position of the mounting seat 21 can be adjusted around the axis of the flange plate 31; when the mounting flange 11 is rotated during mounting, the positions of the motor 2 and the brake seat 3 are changed, and the motor 2 may interfere with external structures, and the positions of the mounting seat 21 and the motor 2 relative to the brake seat 3 may be adjusted to prevent interference, and particularly, the motor 2 may be adjusted to a proper mounting position according to a mounting space.

In this embodiment, as shown in fig. 3 and 4, a plurality of sets of threaded connection holes 311 are formed in the flange plate 31, a set of connection through holes 211 is formed in the mounting seat 21, the connection through holes 211 can be arranged corresponding to any set of threaded connection holes 311, and a set of threaded connection holes 311 matched with the connection through holes 211 is selected according to the mounting space, so as to adjust the position of the mounting seat 21 relative to the flange plate 31, and further adjust the position of the motor 2 relative to the brake seat 3; specifically, the fastening member sequentially passes through the connection through hole 211 and the threaded connection hole 311 to fix the mounting base 21 to the flange plate 31, so that the motor 2 is mounted on the flange plate 31, thereby improving structural stability. More specifically, the flange plate 31 is provided with an even number of threaded connection holes 311 at even intervals along the circumferential direction, the mounting seat 21 is symmetrically provided with two connection through holes 211, the two connection through holes 211 can be matched with any two symmetrically arranged threaded connection holes 311, and different threaded connection holes 311 are selected through the connection through holes 211 to realize the adjustment of the mounting angle of the mounting seat 21 relative to the flange plate 31; in this embodiment, the flange 31 is provided with eight threaded connection holes 311 at equal intervals along the circumferential direction to form four groups of threaded connection holes 311, each group of threaded connection holes 311 is symmetrically arranged, and two connection through holes 211 on the mounting base 21 can be matched with any one of the four groups of threaded connection holes 311.

Optionally, as shown in fig. 1 and fig. 2, an oil inlet 13 is formed in the speed reducer body 1, an oil discharge port 111 is formed in the periphery of the mounting flange 11, the oil discharge port 111 is communicated with the oil inlet 13, the oil discharge port 111 is formed in the radial direction of the mounting flange 11, one end, close to the output gear 12, of the mounting flange 11 is connected with the frame, the periphery of the mounting flange 11 is arranged outside the frame, and oil can be discharged without disassembling the main frame during later maintenance, so that maintenance is convenient. Specifically, the oil outlet 111 is arranged in a staggered manner with the holes in the end face of the mounting flange 11, so that structural interference is prevented. In this embodiment, two oil discharge ports 111 are symmetrically formed in the periphery of the mounting flange 11, so that the oil discharge efficiency is improved.

Optionally, the oil inlet 13 of speed reducer body sets up in one side that mounting flange 11 deviates from output gear 12, makes oil inlet 13 set up in the host computer outside, need not to unpack apart the host computer and can realize oiling, convenient to use.

Further optionally, the step of installing the slewing reducer on the main machine includes: the speed reducer body 1, the brake base 3, and the motor 2 are integrally mounted to the main machine. When the installation space is insufficient, the bolt is unscrewed, and the angle of the motor 2 is adjusted.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a slewing reducer installs on the host computer, the host computer includes frame and slewing bearing, its characterized in that, slewing reducer includes speed reducer body (1), speed reducer body (1) includes:

the mounting flange (11), the said mounting flange (11) is fixedly set up in the said framework;

output gear (12), output gear (12) with slewing bearing meshes mutually, the axis of output gear (12) is on a parallel with the installation central line of mounting flange (11), the axis of output gear (12) with be provided with spacing distance between the installation central line of mounting flange (11).

2. The rotary speed reducer according to claim 1, wherein a plurality of mounting holes (113) are distributed in the mounting flange (11) along the circumferential direction of the mounting flange, the distribution center line of each mounting hole (113) is the mounting center line, the distribution center line coincides with the axis of the mounting flange (11), and the axis of the output gear (12) and the axis of the mounting flange (11) are provided with the spacing distance.

3. The rotary speed reducer according to claim 1, wherein the mounting flange (11) is provided at an outer peripheral surface thereof with a marking structure (112), and the marking structure (112) is provided along a direction of separation of an axis of the output gear (12) from an interval of a mounting center line of the mounting flange (11).

4. The rotary speed reducer of claim 3, wherein the identification structure (112) is a groove formed at the periphery of the mounting flange (11), and the groove is arranged at one side close to the mounting center line of the mounting flange (11).

5. The rotary reduction gear according to any one of claims 1 to 4, further comprising:

the motor (2) comprises a mounting seat (21) and is arranged on one side, away from the output gear (12), of the speed reducer body (1);

the brake device comprises a brake seat (3) arranged between the speed reducer body (1) and the motor (2), wherein a flange plate (31) is arranged on one side, deviating from the speed reducer body (1), of the brake seat (3), a mounting seat (21) is fixedly arranged on the flange plate (31), and the mounting seat (21) can wind the axis adjusting position of the flange plate (31).

6. The rotary speed reducer according to claim 5, wherein the flange plate (31) is provided with a plurality of sets of threaded connection holes (311), the mounting seat (21) is provided with a set of connection through holes (211), and the connection through holes (211) can be arranged corresponding to any set of threaded connection holes (311).

7. The rotary speed reducer according to claim 6, wherein the flange plate (31) is provided with an even number of the threaded connection holes (311) at even intervals along the circumferential direction, the mounting seat (21) is symmetrically provided with two connection through holes (211), and any two of the connection through holes (211) can be matched with any two of the symmetrically provided threaded connection holes (311).

8. The rotary speed reducer according to claim 5, wherein an oil inlet is formed in the speed reducer body (1), an oil outlet (111) is formed in the periphery of the mounting flange (11), the oil outlet (111) is communicated with the oil inlet (13), the oil outlet (111) is formed in the radial direction of the mounting flange (11), and one end, close to the output gear (12), of the mounting flange (11) is connected with the frame.

9. The rotary reducer of claim 8, wherein the oil inlet (13) is provided to a side of the mounting flange (11) facing away from the output gear (12).