CN218718532U

CN218718532U - Gear structure of cycloidal pin gear speed reducer

Info

Publication number: CN218718532U
Application number: CN202222629830.3U
Authority: CN
Inventors: 宋国君; 刘海波
Original assignee: Hangzhou Maiqiu Transmission Machinery Co ltd
Current assignee: Hangzhou Maiqiu Transmission Machinery Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-03-24
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a gear structure of a cycloidal pin gear speed reducer, relating to the technical field of cycloidal pin gear speed reducers; the utility model comprises an input shaft, a cycloidal gear and an output wheel disc, wherein a wear-resisting ring is sleeved on the outer side of the cycloidal gear, a first threaded rod distributed in an annular array penetrates through the outer side thread of the wear-resisting ring, a first threaded groove distributed in an annular array is arranged on the outer side of the cycloidal gear, an anti-drop screw rod penetrates through the middle thread of the first threaded rod, and an anti-drop threaded groove is arranged inside the first threaded groove; the anti-loosening screw rod is inserted into the anti-loosening thread groove, and the thread directions of the anti-loosening screw rod and the first screw rod are opposite, so that the anti-loosening screw rod can prevent the first screw rod from rotating, and the purpose of preventing loosening is achieved; the rotary disc can prevent the transmission pin from directly contacting with the inner wall of the transmission pin hole to cause abrasion, and the cost for replacing the transmission pin is reduced through the rotary disc, so that the cost caused by abrasion can be reduced, and the purpose of reducing the use cost is achieved.

Description

Gear structure of cycloidal pin gear speed reducer

Technical Field

The utility model relates to a cycloid pin gear speed reducer technical field specifically is a gear structure of cycloid pin gear speed reducer.

Background

The cycloidal pin gear speed reducer is a novel transmission device applying planetary transmission principle and adopting cycloidal pin gear engagement, and the cycloidal pin gear speed reducer is engaged with a group of annularly arranged pin gears on a pin gear through a cycloidal gear so as to form an inner engagement speed reducing mechanism with one tooth difference. The edge tooth part of the cycloid wheel is easy to wear, the wear-resistant ring of the tooth part is reduced by the aid of the installed wear-resistant ring, vibration can be generated in the working process of the cycloid pin gear speed reducer, the situation that the wear-resistant ring is loosened due to rotation of a screw rod for fixing the wear-resistant ring is easy to occur after long-time working, and then the speed reducer possibly breaks down is caused.

SUMMERY OF THE UTILITY MODEL

The problem that the wear-resistant ring is loosened due to rotation of a screw for fixing the wear-resistant ring is solved; an object of the utility model is to provide a gear structure of cycloid pinwheel speed reducer.

In order to solve the technical problem, the utility model adopts the following technical scheme: the cycloidal gear is positioned on one side of the input shaft, the output wheel disc is positioned on one side, away from the input shaft, of the cycloidal gear, an eccentric shaft penetrates through the middle of the cycloidal gear, and an output shaft is fixedly arranged on one side, away from the cycloidal gear, of the output wheel disc; the wear-resisting ring is sleeved on the outer side of the cycloid wheel and can reduce wear of the cycloid wheel, the first screw rods distributed in an annular array are arranged in the outer side of the cycloid wheel in a penetrating mode, the first thread grooves distributed in an annular array are formed in the outer side of the cycloid wheel, the first screw rods are inserted into the first thread grooves and can be fixedly connected with the cycloid wheel, one ends of the first screw rods are inserted into the first thread grooves, the anti-disengaging screw rods are arranged in the middle of the first screw rods in a penetrating mode, the anti-disengaging thread grooves are formed in the first thread grooves, the anti-disengaging screw rods are inserted into the anti-disengaging thread grooves and can be prevented from rotating, one ends of the anti-disengaging screw rods are inserted into the anti-disengaging thread grooves, the thread directions of the first screw rods and the anti-disengaging screw rods are opposite, and therefore the first screw rods can be prevented from rotating, and the purpose of facilitating fixing is achieved.

Preferably, the transmission pinhole that is the annular array and distributes is seted up in the outside of cycloid wheel, the inside activity of transmission pinhole runs through there is the transmission round pin, the second thread groove that is the annular array and distributes is seted up to one side that the output rim plate is close to the cycloid wheel, the external screw thread has been seted up to the one end that the transmission round pin is close to the output rim plate, the one end of transmission round pin is inserted and is established the inside at the second thread groove, and the transmission pinhole can make things convenient for the transmission round pin to rotate, and the external screw thread can be fixed the transmission round pin in the second thread groove with the cooperation of second thread groove, the outside that the output rim plate was kept away from to the transmission round pin is rotated and is installed the carousel, the outside of carousel and the inner wall laminating of transmission pinhole, the carousel can make things convenient for the transmission round pin to rotate, improves rotation effect.

Preferably, the cambered surface side screw thread of output wheel dish runs through and has been the second screw rod that annular array distributes, the one end of second screw rod is inserted and is established the inner wall of second thread groove and with the laminating of the outside of drive pin, the second screw rod can conveniently fix the drive pin.

Preferably, the end of the second screw is provided with a conical top, and the conical top can be clamped in a groove of the external thread, so that the transmission pin is conveniently fixed.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the wear of the cycloid wheel can be reduced through the wear-resisting ring, so that only the wear-resisting ring needs to be replaced after the wear-resisting ring is worn, the anti-falling screw is inserted into the anti-falling thread groove, and the thread directions of the anti-falling screw and the first screw are opposite, so that the anti-falling screw can prevent the first screw from rotating, and the purpose of preventing looseness is achieved;

2. through drive pin one end through threaded connection install on the output rim plate, conveniently install and change the drive pin, can avoid the drive pin direct with the inner wall contact emergence wearing and tearing of drive pinhole through the carousel, reduce the cost of changing the drive pin through the carousel, just so can reduce the cost that wearing and tearing produced to reach the purpose that reduces use cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structural development view of the present invention.

Fig. 3 is a schematic sectional view of the cycloidal wheel of the present invention.

In the figure: 1. an input shaft; 2. a cycloid wheel; 3. a wear ring; 4. an eccentric shaft; 5. an output wheel disc; 6. a drive pin hole; 7. a drive pin; 8. an external thread; 9. a second thread groove; 10. a first screw; 11. a first thread groove; 12. an anti-drop screw; 13. an anti-drop thread groove; 14. a second screw; 15. an output shaft; 16. a turntable.

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 first embodiment is as follows: as shown in fig. 1-3, the utility model provides a technical solution: a gear structure of a cycloidal pin gear speed reducer comprises an input shaft 1, a cycloidal gear 2 and an output wheel disc 5, wherein the cycloidal gear 2 is positioned on one side of the input shaft 1, the output wheel disc 5 is positioned on one side of the cycloidal gear 2 far away from the input shaft 1, an eccentric shaft 4 is arranged in the middle of the cycloidal gear 2 in a penetrating manner, and an output shaft 15 is fixedly arranged on one side of the output wheel disc 5 far away from the cycloidal gear 2; the outside cover of cycloid wheel 2 is equipped with wear ring 3, wear ring 3 can reduce the wearing and tearing of cycloid wheel 2, wear ring 3's outside screw thread is run through have be the first screw rod 10 that annular array distributes, first thread groove 11 that is annular array distributes is seted up in the outside of cycloid wheel 2, first screw rod 10 is inserted and is established and can be with wear ring 3 and cycloid wheel 2 fixed connection in first thread groove 11, the inside of establishing at first thread groove 11 is inserted to the one end of first screw rod 10, the middle part screw thread of first screw rod 10 is run through and is had anticreep screw rod 12, anticreep thread groove 13 has been seted up to the inside of first thread groove 11, anticreep screw rod 12 is inserted and is established and to avoid first screw rod 10 the condition of gyration to appear in anticreep thread groove 13, the inside of establishing at anticreep thread groove 13 is inserted to the one end of anticreep screw rod 12.

The transmission pinhole 6 that is the annular array and distributes is seted up in the outside of cycloid wheel 2, and the inside activity of transmission pinhole 6 is run through and is had drive pin 7, and output wheel disc 5 is close to one side of cycloid wheel 2 and is seted up the second thread groove 9 that is the annular array and distributes, and external screw thread 8 has been seted up to the one end that drive pin 7 is close to output wheel disc 5, and the inside of establishing second thread groove 9 is inserted to the one end of drive pin 7.

Through adopting above-mentioned technical scheme, transmission pinhole 6 can make things convenient for transmission round pin 7 to rotate, and external screw thread 8 can fix transmission round pin 7 in second thread groove 9 with the cooperation of second thread groove 9.

Second screws 14 distributed in an annular array penetrate through the arc-surface side threads of the output wheel disc 5, and one ends of the second screws 14 are inserted into the inner wall of the second thread grooves 9 and attached to the outer side of the transmission pins 7.

By adopting the technical scheme, the second screw 14 can conveniently fix the transmission pin 7.

The outer side of the transmission pin 7, which is far away from the output wheel disc 5, is rotatably provided with a turntable 16, and the outer side of the turntable 16 is attached to the inner wall of the transmission pin hole 6.

Through adopting above-mentioned technical scheme, carousel 16 can make things convenient for driving pin 7 to rotate, improves and rotates the effect.

The first screw 10 and the anti-drop screw 12 have opposite thread directions.

By adopting the technical scheme, the situation that the first screw rod 10 rotates can be avoided through the anti-falling screw rod 12, so that the purpose of being convenient for fixing is achieved.

The end of the second screw 14 is provided with a conical tip.

Through adopting above-mentioned technical scheme, the toper top can block establish in the inslot of external screw thread 8 to reach and conveniently fix drive pin 7.

The working principle is as follows: the outer side wall cover of cycloid wheel 2 is equipped with wear ring 3, the inner wall of wear ring 3 passes through interference fit installation with the outer side wall of cycloid wheel 2, and carry out fixed connection with cycloid wheel 2 and outer wear ring 3 through the first screw rod 10 dress hole of 3 arcwall sides of wear ring, first screw rod 10 is embedded setting, can reduce the wearing and tearing of cycloid wheel 2 through wear ring 3, wear ring 3 wearing and tearing after long-term work, only need to change wear ring 3, anticreep screw rod 12 inserts and establishes in anticreep thread groove 13, screw direction through anticreep screw rod 12 and first screw rod 10 is opposite, can make anticreep screw rod 12 prevent that first screw rod 10 from revolving like this, thereby reach the mesh that prevents to become flexible, 7 one end of drive pin is installed on output wheel dish 5 through external screw thread 8 connection, conveniently install and change drive pin 7, can avoid drive pin 7 direct contact with the inner wall of drive pin hole 6 to take place wearing and tearing through carousel 16, reduce the cost of changing drive pin 7 through carousel 16, just so can reduce the cost that the wearing and tearing produced, thereby reach the mesh that reduces use cost.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a gear structure of cycloid pinwheel speed reducer, includes input shaft (1), cycloid wheel (2) and output rim plate (5), its characterized in that: the cycloidal gear (2) is positioned on one side of the input shaft (1), the output wheel disc (5) is positioned on one side of the cycloidal gear (2) far away from the input shaft (1), an eccentric shaft (4) is installed in the middle of the cycloidal gear (2) in a penetrating mode, and an output shaft (15) is fixedly arranged on one side of the output wheel disc (5) far away from the cycloidal gear (2);

the outside cover of cycloid wheel (2) is equipped with wear ring (3), the outside screw thread of wear ring (3) is run through and is had first screw rod (10) that are the annular array and distribute, first thread groove (11) that are the annular array and distribute are seted up in the outside of cycloid wheel (2), the inside of establishing in first thread groove (11) is inserted to the one end of first screw rod (10), the middle part screw thread of first screw rod (10) is run through and is had anticreep screw rod (12), anticreep thread groove (13) have been seted up to the inside of first thread groove (11), the inside of establishing in anticreep thread groove (13) is inserted to the one end of anticreep screw rod (12).

2. The gear structure of the cycloidal pin gear speed reducer according to claim 1, wherein the outer side of the cycloidal gear (2) is provided with transmission pin holes (6) distributed in an annular array, a transmission pin (7) is movably penetrated through the transmission pin holes (6), one side of the output wheel disc (5) close to the cycloidal gear (2) is provided with second thread grooves (9) distributed in an annular array, one end of the transmission pin (7) close to the output wheel disc (5) is provided with an external thread (8), and one end of the transmission pin (7) is inserted into the second thread grooves (9).

3. The gear structure of a cycloidal pin gear reducer according to claim 2, wherein the cambered side of the output wheel disc (5) is threaded with second screws (14) distributed in an annular array, and one end of each second screw (14) is inserted into the inner wall of the second thread groove (9) and attached to the outer side of the transmission pin (7).

4. The gear structure of a cycloidal pin gear reducer according to claim 2, wherein the outside of the drive pin (7) away from the output disc (5) is rotatably mounted with a turntable (16), and the outside of the turntable (16) is attached to the inner wall of the drive pin hole (6).

5. The gear structure of a cycloidal pin gear reducer according to claim 1, wherein said first screw (10) and said anti-drop screw (12) have opposite thread directions.

6. A gear structure of a cycloidal pin gear reducer according to claim 3, in which the end of said second screw (14) is provided with a conical crest.