CN216555220U

CN216555220U - Flexible gear easy to install and used for harmonic reducer

Info

Publication number: CN216555220U
Application number: CN202122826978.1U
Authority: CN
Inventors: 杨俊义; 杨建军; 李宝利; 刘雪桃
Original assignee: Xi'an Shimai Transmission Technology Co ltd
Current assignee: Xi'an Shimai Transmission Technology Co ltd
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-05-17
Anticipated expiration: 2031-11-18

Abstract

The utility model belongs to the technical field of harmonic reducer flexible gears, in particular to a flexible gear for an easily-installed harmonic reducer, which comprises a rear wheel ring and a front wheel ring, wherein the front wheel ring is integrally connected to one side of the rear wheel ring, an assembly hole is formed in the surface wall of one side of the rear wheel ring, annular gear teeth are arranged on the outer side of the front wheel ring, a plurality of positioning strips are annularly distributed on the outer wall of the front wheel ring, an installation component is arranged on one side of the annular gear teeth, a heat dissipation hole group is arranged on the annular gear teeth, the annular gear teeth are matched with the lateral sliding clamping arrangement between the annular gear teeth and the positioning strips through the sleeving connection design of the annular gear teeth part on the outer side of the front wheel ring, and the annular gear teeth can be stably sleeved and fixed on the outer part of the front wheel ring through the screwing operation of a rotary groove between one side of the annular gear teeth and the connecting ring strips, the annular gear teeth are of a detachable structure, when the annular gear teeth are damaged, it is subjected to a replacement process.

Description

Flexible gear easy to install and used for harmonic reducer

Technical Field

The utility model belongs to the technical field of flexible gears of harmonic reducers, and particularly relates to a flexible gear for a harmonic reducer, which is easy to install.

Background

The harmonic reducer is a gear drive which uses a wave generator to assemble a flexible bearing to make a flexible gear generate controllable elastic deformation and is meshed with a rigid gear to transmit motion and power. The application disciplines are mechanical engineering (primary discipline); transmission (secondary discipline); a gear transmission (three-level subject) harmonic gear transmission reducer is a novel reducer developed by utilizing a planetary gear transmission principle.

In present technical means, an easy-to-install flexible gear for a harmonic reducer is often used on a harmonic reducer, and when the existing flexible gear for the harmonic reducer is actually used, tooth surfaces are easy to rub and are damaged, the flexible gear is not convenient to replace and treat, the practicability is poor, meanwhile, the heat dissipation effect is poor when the flexible gear operates, and the flexible gear is not safe and long-term to use, so that a new easy-to-install flexible gear for the harmonic reducer is necessary to be provided, and the problem is effectively solved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides the flexible gear for the harmonic reducer, which is easy to install and has the characteristics of facilitating replacement treatment of damaged tooth surfaces and being beneficial to safe and long-term use of the flexible gear.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a harmonic reducer uses flexible gear of easily installing, includes rear wheel ring and front wheel ring, front wheel ring integrated connection in one side of rear wheel ring, the pilot hole has been seted up on rear wheel ring one side table wall, the outside of front wheel ring is provided with the annular teeth of a cogwheel, annular distribution has a plurality of location strips on the outer wall of front wheel ring, one side of the annular teeth of a cogwheel is provided with the installation component, be equipped with the thermovent group on the annular teeth of a cogwheel.

As an optimized technical scheme of the flexible gear for the easily-installed harmonic reducer, the installation assembly comprises four connecting ring strips and four micro fastening screws, the four micro fastening screws are arranged in a square and four corners, the annular gear teeth and the connecting ring strips are fixedly screwed and connected through the micro fastening screws, rotary grooves matched with the micro fastening screws are formed in positions, corresponding to the micro fastening screws, of the annular gear teeth, and through holes and round holes are formed in positions, corresponding to the micro fastening screws, of the connecting ring strips.

As an easy-to-install flexible gear optimization technical scheme for the harmonic reducer, the heat dissipation hole group comprises a first heat dissipation hole and a second heat dissipation hole, a gas circulation heat dissipation cavity is arranged between the annular gear teeth and the positioning strip, the first heat dissipation hole is communicated with the gas circulation heat dissipation cavity, a communication hole is formed in the position, corresponding to the second heat dissipation hole, in the annular gear teeth, and the second heat dissipation hole, the communication hole and the gas circulation heat dissipation cavity are of a communication structure.

As a preferable technical scheme of the flexible gear for the harmonic reducer easy to install, the outer wall of the annular gear teeth is coated with a wear-resistant layer.

According to the preferred technical scheme of the flexible gear for the harmonic reducer easy to install, the positioning clamping strip is integrally formed on the inner side of the annular gear tooth, the positioning clamping groove is formed in the position, corresponding to the positioning clamping strip, of the positioning strip, and one side of the positioning clamping strip is clamped in the positioning clamping groove.

As an optimal technical scheme of the flexible gear for the easily-installed harmonic reducer, the spiral groove, the through hole and the round hole are communicated, and the round hole is of a counter bore structure.

Compared with the prior art, the utility model has the beneficial effects that:

1. when the flexible gear is used, through the sleeve joint design of the annular gear tooth part at the outer side of the front wheel ring, the sideslip clamping connection arrangement between the annular gear tooth and the positioning strip is matched, and the screwing operation of the rotary groove is utilized between one side of the annular gear tooth and the connecting ring strip, the annular gear tooth can be stably sleeved and fixed outside the front wheel ring, the annular gear tooth is of a detachable structure, the annular gear tooth can be replaced when the annular gear tooth is damaged, the whole flexible gear is prevented from being replaced, the use cost is improved, meanwhile, the wear-resistant layer arranged on the outer wall of the annular gear tooth is utilized and is a wear-resistant coating, the wear resistance of the tooth surface and the use durability are effectively improved, and the problems that the tooth surface of the flexible gear for the conventional harmonic reducer is easy to rub and damage, the flexible gear is not convenient to replace and is poor in practical application are solved;

2. when the flexible gear is used, the plurality of the first heat dissipation holes, the second heat dissipation holes and the communication holes are formed in the tooth surface of the annular gear, the second heat dissipation holes and the communication holes are of a communication structure, and a gas circulation heat dissipation cavity is arranged between the communication holes, the first heat dissipation holes and the positioning strip, so that heat on the surface of the annular gear can be cooled, the safe and long-term use and operation of the flexible gear are guaranteed, and the problems that the original flexible gear is not good in heat dissipation effect during operation and is not beneficial to safe and long-term use are solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural view of a cross-sectional portion of a micro fastening screw according to the present invention;

FIG. 4 is a schematic structural view of a cross-sectional portion of an annular gear tooth according to the present invention.

In the figure: 1. a rear wheel ring; 2. a front wheel ring; 3. an assembly hole; 4. connecting the ring strips; 5. a positioning bar; 6. annular gear teeth; 7. positioning the clamping strip; 8. positioning the clamping groove; 9. the gas circulation heat dissipation cavity; 10. a micro fastening screw; 11. rotating the groove; 12. perforating; 13. a circular hole; 14. a wear layer; 15. a first heat dissipation hole; 16. a second heat dissipation hole; 17. and a communicating hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a flexible gear for harmonic speed reducer ware of easily installing, including back rim of a wheel 1 and preceding rim of a wheel 2, 2 a body coupling in one side of back rim of a wheel 1 before preceding rim of a wheel, assembly hole 3 has been seted up on 1 side table wall of back rim of a wheel, the outside of preceding rim of a wheel 2 is provided with annular teeth 6, annular distribution has a plurality of location strip 5 on the outer wall of preceding rim of a wheel 2, one side of annular teeth of a wheel 6 is provided with the installation component, be equipped with the thermovent group on the annular teeth of a wheel 6, in this embodiment, scribble on the outer wall of annular teeth of a wheel 6 and be equipped with wearing layer 14, the wearing layer 14 that utilizes to be equipped with on the outer wall of annular teeth of a wheel 6, wearing layer 14 is wear-resistant coating, the wearability and the durability of use of flank of a tooth have effectively been improved.

Referring to fig. 1, 2 and 3, the mounting assembly includes a joining ring 4 and micro fastening screws 10, the number of the micro fastening screws 10 is four, and the four micro fastening screws 10 are arranged in four square corners, the ring gear 6 is screwed with the joining ring 4 through the micro fastening screws 10, the ring gear 6 is provided with a spiral groove 11 corresponding to the micro fastening screws 10, the joining ring 4 is provided with a through hole 12 and a circular hole 13 corresponding to the micro fastening screws 10, in this embodiment, the inner side of the ring gear 6 is integrally formed with a positioning clamp bar 7, the positioning strip 5 is provided with a positioning clamp groove 8 corresponding to the positioning clamp bar 7, one side of the positioning clamp bar 7 is clamped at the positioning clamp groove 8, the spiral groove 11, the through hole 12 and the circular hole 13 are communicated, and the circular hole 13 is a counter bore structure, and is designed by the sleeve joint of the ring gear 6 outside the front wheel ring 2, the joint that sideslips between 6 and the location strip of cooperation ring teeth of a cogwheel 5 sets up to and the operation of connecing soon of utilizing spiral groove 11 between 6 one sides of the ring teeth of a cogwheel and the linking ring strip 4, make the cover that 6 can be stable of ring teeth of a cogwheel admittedly in the front wheel ring 2 outside, make 6 for removable structure of ring teeth of a cogwheel, can change the processing to it when 6 gears of ring teeth of a cogwheel are bad, avoid changing whole the flexible gear, improve use cost's the condition and take place.

Referring to fig. 1 and 4, a heat dissipation hole set is not shown in fig. 1, 2 and 3, and is shown in a cross-sectional view in fig. 4, the heat dissipation hole set includes a first heat dissipation hole 15 and a second heat dissipation hole 16, the first heat dissipation hole 15 and the second heat dissipation hole 16 are both provided with a plurality of holes and are disposed on the surface of the ring gear tooth 6, a gas circulation heat dissipation cavity 9 is disposed between the ring gear tooth 6 and the positioning bar 5, the first heat dissipation hole 15 is communicated with the gas circulation heat dissipation cavity 9, a communication hole 17 is disposed at a position corresponding to the second heat dissipation hole 16 in the ring gear tooth 6, the second heat dissipation hole 16, the communication hole 17 and the gas circulation heat dissipation cavity 9 are in a communicating structure, in this embodiment, the gas circulation heat dissipation cavity 9 is disposed between the communication hole 17 and the first heat dissipation hole 15 and the second heat dissipation hole 16, the communication hole 17, the communication hole 16 and the communication hole 17, can cool down the heat on the 6 surfaces of ring gear teeth and handle, ensure the safe long-term operation of using of flexible gear.

The working principle and the using process of the utility model are as follows: in the using process of the utility model, the wear-resistant layer 14 is coated on the surface of the annular gear tooth 6, and by utilizing the arrangement of the wear-resistant layer 14, the wear-resistant layer 14 is a wear-resistant coating, so that the wear resistance and the use durability of the tooth surface can be effectively improved;

when the flexible gear is in use, the first heat dissipation holes 15, the second heat dissipation holes 16 and the communication holes 17 are formed in the tooth surface of the annular gear tooth 6, the second heat dissipation holes 16 and the communication holes 17 are of a communication structure, and are matched with the gas circulation heat dissipation cavities 9 formed between the communication holes 17, the first heat dissipation holes 15 and the positioning strips 5, the second heat dissipation holes 16 and the communication holes 17 are communicated with the gas circulation heat dissipation cavities 9, meanwhile, the first heat dissipation holes 15 are communicated with the gas circulation heat dissipation cavities 9, heat on the surface of the annular gear tooth 6 can be cooled, and the flexible gear is high in practicability;

simultaneously when the annular teeth of a cogwheel 6 that needs to damage is changed and is handled, will link up four miniature fastening screw 10 on the surface of 4 one sides of ring strip and revolve the departure to the outside, make miniature fastening screw 10 follow annular teeth of a cogwheel 6 in with link up spiral groove 11 and perforation 12 on the ring strip 4, round hole 13 department breaks away from, then alright slide the annular teeth of a cogwheel 6 from the one side of backing up the ring strip 4 and shift out, and then do benefit to the change maintenance to annular teeth of a cogwheel 6 and handle, wherein locator card strip 7 carries out relative sliding action in locator card groove 8 department on gas circulation heat dissipation chamber 9, provide stable effect for follow-up reassembly of annular teeth of a cogwheel 6, the stability of annular teeth of a cogwheel 6 when installing in the outside of front wheel ring 2 has been ensured, the high-efficient stable operation of flexible gear for the harmonic speed reducer who is easy to install has been guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an easy flexible gear for harmonic speed reducer ware of installation, includes rear wheel ring (1) and front wheel ring (2), its characterized in that: preceding rim (2) an organic whole connect in one side of back rim (1), pilot hole (3) have been seted up on a side table wall of back rim (1), the outside of preceding rim (2) is provided with annular teeth of a cogwheel (6), the annular distributes on the outer wall of preceding rim (2) has a plurality of location strips (5), one side of annular teeth of a cogwheel (6) is provided with the installation component, be equipped with the cooling hole group on the annular teeth of a cogwheel (6).

2. A compliant gear for an easy-to-install harmonic reducer as in claim 1 wherein: the installation component comprises a connecting ring strip (4) and miniature fastening screws (10), wherein the miniature fastening screws (10) are arranged in four, the four miniature fastening screws (10) are arranged at four corners of a square, the annular gear teeth (6) are fixedly connected with the connecting ring strip (4) through the miniature fastening screws (10), the position corresponding to the miniature fastening screws (10) on the annular gear teeth (6) is provided with a rotary groove (11) matched with the annular gear teeth, and the position corresponding to the miniature fastening screws (10) on the connecting ring strip (4) is provided with a through hole (12) and a round hole (13).

3. A compliant gear for an easy-to-install harmonic reducer as in claim 1 wherein: the heat dissipation hole group comprises a first heat dissipation hole (15) and a second heat dissipation hole (16), an annular gear tooth (6) and a gas circulation heat dissipation cavity (9) are arranged between the positioning strips (5), the first heat dissipation hole (15) is communicated with the gas circulation heat dissipation cavity (9), a communication hole (17) is formed in the annular gear tooth (6) at a position corresponding to the second heat dissipation hole (16), and the second heat dissipation hole (16), the communication hole (17) and the gas circulation heat dissipation cavity (9) are of a communicated structure.

4. A compliant gear for an easy to install harmonic reducer as in claim 3 wherein: and the outer wall of the annular gear teeth (6) is coated with a wear-resistant layer (14).

5. A compliant gear for an easy-to-install harmonic reducer as in claim 2 wherein: the inboard integrated into one piece of ring gear teeth (6) has locator card strip (7), and locator card groove (8) have been seted up with locator card strip (7) corresponding position department on locator card strip (5), and locator card groove (8) department is located to one side card of locator card strip (7).

6. A compliant gear for an easy-to-install harmonic reducer as in claim 2 wherein: the rotary groove (11), the through hole (12) and the round hole (13) are communicated, and the round hole (13) is of a counter bore structure.