CN217355408U

CN217355408U - Single-stage bevel gear speed reducer

Info

Publication number: CN217355408U
Application number: CN202221088855.0U
Authority: CN
Inventors: 袁国峰
Original assignee: Hangzhou Hongya Transmission Equipment Co ltd
Current assignee: Hangzhou Hongya Transmission Equipment Co ltd
Priority date: 2022-05-08
Filing date: 2022-05-08
Publication date: 2022-09-02
Anticipated expiration: 2032-05-08

Abstract

The utility model provides a single-stage bevel gear speed reducer, casing including inside transmission chamber has, all set up the side opening with the transmission chamber intercommunication on the two lateral walls that the casing was carried on the back mutually, set up the under shed with the transmission chamber intercommunication on the bottom surface of casing, be provided with on the bottom surface of casing and seal the seat under with the under shed seals and the middle part has the input mounting hole, the indoor rotation of transmission is provided with the input bevel gear axle that passes the input mounting hole, be provided with respectively on the lateral wall of casing and seal seat and the right seat with the side opening confined left side, the middle part that seals the seat on a left side has the output mounting hole, it is provided with the output bevel gear axle that passes the input mounting hole and mesh with input bevel gear axle to rotate in the transmission chamber. The input bevel gear shaft and the output bevel gear shaft in the single-stage bevel gear speed reducer are arranged compactly, the whole volume is small, and the single-stage bevel gear speed reducer is convenient to carry and transport.

Description

Single-stage bevel gear speed reducer

Technical Field

The utility model belongs to the technical field of the technique of speed reducer and specifically relates to a single-stage bevel gear speed reducer is related to.

Background

The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, and is widely applied to modern machinery. The speed reducer is generally used for low-speed and high-torque transmission equipment, and the purpose of reducing speed is achieved by meshing a small gear on an input shaft of the speed reducer with a large gear on an output shaft of a motor, an internal combustion engine or other high-speed running power.

The existing speed reducer mainly comprises a shell, an input shaft, an output shaft and a multi-stage gear shaft set, wherein the input shaft and the output shaft are arranged in the shell, and the multi-stage gear shaft set is in transmission connection between the input shaft and the output shaft. The above prior art solutions have the following drawbacks: the input shaft, the multistage gear shaft group and the output shaft which are connected in a multistage transmission mode usually need a large installation space, so that the reducer is usually large in size and inconvenient to carry and transport.

SUMMERY OF THE UTILITY MODEL

The to-be-solved problem of the utility model is to the above-mentioned not enough and provide a single-stage bevel gear speed reducer that exists among the prior art, it has solved the problem of portable and transport not convenient for that exists among the prior art.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a single-stage bevel gear speed reducer, includes the inside casing that has the transmission room, all set up the side opening with the transmission room intercommunication on the two lateral walls that the casing carried on the back mutually, set up the under shed with the transmission room intercommunication on the bottom surface of casing, be provided with on the bottom surface of casing and seal the seat under that just the middle part has the input mounting hole with the under shed closure, the indoor rotation of transmission is provided with the input bevel gear axle that passes the input mounting hole, be provided with respectively on the lateral wall of casing and seal seat and the right seat with side opening confined left side, the middle part that seals the seat on a left side has the output mounting hole, it is provided with the output bevel gear axle that passes the input mounting hole and mesh with input bevel gear axle to rotate in the transmission room.

The utility model discloses further set up to: the end face, facing the casing, of the lower seal seat is provided with a lower convex ring matched with the lower opening in an embedded mode, the end face, facing the casing, of the lower convex ring is provided with an upper mounting groove, an upper bearing sleeved on the input bevel gear shaft is embedded in the upper mounting groove, the end face, facing away from the casing, of the lower seal seat is provided with a lower mounting groove, and a lower bearing sleeved on the input bevel gear shaft is embedded in the lower mounting groove.

The utility model discloses further set up to: the lower closing cap that the lower seal deviated from on the terminal surface of casing is provided with on will inputing the mounting hole opening and seal and be run through by the input bevel gear axle, convergent rotating ring mounting groove, quiet ring mounting groove have been seted up in proper order on the terminal surface of lower closing cap orientation lower seal, be provided with the rotating ring in the input bevel gear epaxial through the coaxial suit of key-type connection in the rotating ring mounting groove, be provided with quiet ring subassembly in the quiet ring mounting groove, quiet ring subassembly includes the quiet ring seat that passes through with quiet ring mounting groove scarf joint cooperation and by the input bevel gear axle, quiet ring groove has been seted up on the terminal surface of quiet ring seat orientation rotating ring, quiet ring inslot inlays and is equipped with the quiet ring that is run through by the input bevel gear axle, the terminal surface that quiet ring and rotating ring are close to each other offsets.

The utility model discloses further set up to: the left sealing seat is provided with a left mounting groove on the end face facing the casing, a left bearing sleeved on the output bevel gear shaft is embedded in the left mounting groove, a right mounting groove is provided on the end face facing the casing of the right sealing seat, and a right bearing sleeved on the output bevel gear shaft is embedded in the right mounting groove.

The utility model discloses further set up to: an oil seal groove is formed in the groove bottom of the left mounting groove, and a framework oil seal sleeved on the output bevel gear shaft is embedded in the oil seal groove.

The utility model discloses further set up to: an oil filling port communicated with the transmission chamber is formed in the outer side wall of the shell, and a cover plate for sealing the oil filling port is arranged on the outer side wall of the shell.

The utility model discloses further set up to: an oil discharge hole communicated with the transmission chamber is formed in the outer side wall of the shell, and an oil plug for blocking the oil discharge hole is inserted into the oil discharge hole.

The utility model discloses further set up to: the left side seals and is provided with on the terminal surface of seat towards the casing with the side opening scarf joint left bulge loop of cooperation, it connects the turn-ups to be provided with a left side on the terminal surface that the seat deviates from the casing to seal a left side, it is provided with a plurality of left strengthening ribs to connect between turn-ups's top surface and the lateral wall of a left side seat to seal a left side.

The utility model discloses further set up to: the right side seals and is provided with on the terminal surface of seat towards the casing with side opening scarf joint cooperation right bulge loop, it connects the turn-ups to be provided with the right side on the terminal surface that the seat deviates from the casing to seal the seat on the right side, be provided with a plurality of right strengthening ribs between the turn-ups's of right side top surface and the right side lateral wall that seals the seat.

To sum up, the utility model discloses a beneficial technological effect does:

(1) the input bevel gear shaft and the output bevel gear shaft in the single-stage bevel gear reducer are arranged compactly, the whole volume is small, and the single-stage bevel gear reducer is convenient to carry and transport.

(2) The during operation, quiet ring holder and quiet ring keep static, and the rotating ring is along with input bevel gear axle synchronous revolution, and the terminal surface of quiet ring orientation rotating ring offsets with the terminal surface of rotating ring orientation quiet ring, and then the quiet ring of carbon graphite material and the rotating ring of rubber material can be in the terminal surface department looks mutual friction that offsets, and then form sealedly to the quiet ring of carbon graphite material has good corrosion resistance, low coefficient of friction, better self-lubrication nature, then the life of quiet ring is longer, and better with the sealing performance that the rotating ring cooperation formed.

Drawings

Fig. 1 is a schematic structural diagram of a single-stage bevel gear reducer of the present invention;

fig. 2 is a half-section schematic view of a first view angle of the middle single-stage bevel gear reducer of the present invention;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a schematic diagram of a second view angle of the middle single-stage bevel gear reducer of the present invention.

In the above drawings: 1. a housing; 2. a transmission chamber; 3. opening the side; 4. a lower opening; 5. a lower seal seat; 6. a lower convex ring; 7. inputting the mounting hole; 8. inputting a bevel gear shaft; 9. mounting a groove; 10. an upper bearing; 11. a lower mounting groove; 12. a lower bearing; 13. a lower sealing cover; 14. a movable ring mounting groove; 15. a stationary ring mounting groove; 16. a moving ring; 17. a stationary ring seat; 18. a static ring groove; 19. a stationary ring; 20. a left seal seat; 21. a right sealing seat; 22. an output mounting hole; 23. an output bevel gear shaft; 24. a left mounting groove; 25. a left bearing; 26. a right mounting groove; 27. a right bearing; 28. an oil seal groove; 29. framework oil seal; 30. a left convex ring; 31. the left connecting flanging; 32. a left stiffener; 33. a right convex ring; 34. the right connecting flange; 35. a right reinforcing rib; 36. an oil filling port; 37. a cover plate; 38. an oil drain hole; 39. and (4) an oil plug.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention clearer and easier to understand, the present invention is further explained below with reference to the accompanying drawings and the detailed description.

As shown in fig. 1 and 2, the utility model provides a single-stage bevel gear speed reducer, including casing 1, casing 1 is inside to have transmission chamber 2, and transmission chamber 2 is used for installing the driving medium, all sets up the side opening 3 with transmission chamber 2 intercommunication on the two lateral walls that casing 1 carried on the back mutually, sets up the under shed 4 with transmission chamber 2 intercommunication on the bottom surface of casing 1.

As shown in fig. 2 and 3, a lower seal seat 5 for sealing the lower opening 4 is connected to the bottom surface of the casing 1 by screws, a lower collar 6 engaged with the lower opening 4 is integrally connected to the end surface of the lower seal seat 5 facing the casing 1, an input mounting hole 7 is formed in the middle of the lower seal seat 5, an input bevel gear shaft 8 penetrating through the input mounting hole 7 is rotatably arranged in the transmission chamber 2, and the input bevel gear shaft 8 includes a shaft body and a bevel gear coaxially arranged at the end of the shaft body.

As shown in fig. 2 and 3, an upper mounting groove 9 is opened on an end surface of the lower collar 6 facing the casing 1, the upper mounting groove 9 is a circular groove, and an upper bearing 10 is embedded in the upper mounting groove 9. Lower mounting groove 11 has been seted up on the terminal surface that lower seal receptacle 5 deviates from casing 1, and lower mounting groove 11 is circular slot, and lower mounting groove 11 is embedded to be equipped with lower bearing 12. The upper bearing 10 and the lower bearing 12 are both sleeved on the input bevel gear shaft 8, the upper bearing 10 and the lower bearing 12 are used for supporting the input bevel gear shaft 8 to rotate together, and the input bevel gear shaft 8 can rotate stably through the cooperation of the upper bearing 10 and the lower bearing 12.

As shown in fig. 2 and 3, a lower cover 13 is screwed on the end surface of the lower seal holder 5 facing away from the casing 1, the lower cover 13 closes the opening of the input mounting hole 7, and the lower cover 13 is penetrated by the input bevel gear shaft 8. Lower closing cap 13 has seted up convergent rotating ring mounting groove 14, quiet ring mounting groove 15 on the terminal surface of lower seal 5 in proper order, and rotating ring mounting groove 14 and quiet ring mounting groove 15 are the circular slot, and the diameter of quiet ring mounting groove 15 is less than the diameter of rotating ring mounting groove 14.

As shown in fig. 2 and 3, a movable ring 16 is disposed in the movable ring mounting groove 14, the movable ring 16 is coaxially sleeved on the input bevel gear shaft 8 through a key connection, that is, the movable ring 16 can rotate along with the input bevel gear shaft 8, the movable ring 16 is annular, and the movable ring 16 is made of rubber. Be provided with quiet ring subassembly in quiet ring mounting groove 15, quiet ring subassembly includes quiet ring seat 17, quiet ring 19, the cross section of quiet ring seat 17 is for taking the turn-ups font, quiet ring seat 17 and the cooperation of scarf joint of quiet ring mounting groove 15, and quiet ring seat 17 is run through by input bevel gear axle 8, quiet ring groove 18 has been seted up on the terminal surface of quiet ring seat 17 orientation rotating ring 16, quiet ring 19 inlays and locates in quiet ring groove 18, the material of quiet ring 19 is carbon graphite, quiet ring 19 is the ring form, and the inner wall of quiet ring 19 does not offset with the axial plane of input bevel gear axle 8, then quiet ring seat 17 and quiet ring 19 are static at the during operation, do not rotate along with input bevel gear axle 8, quiet ring 19 offsets with the terminal surface that rotating ring 16 is close to each other.

The detailed working process of the embodiment is as follows: during operation, the stationary ring seat 17 and the stationary ring 19 keep static, the movable ring 16 rotates synchronously along with the input bevel gear shaft 8, the end face of the stationary ring 19 facing the movable ring 16 is abutted against the end face of the movable ring 16 facing the stationary ring 19, the stationary ring 19 made of carbon graphite and the movable ring 16 made of rubber rub against each other at the abutted end faces, and sealing is formed, the stationary ring 19 made of carbon graphite has good corrosion resistance, low friction coefficient and good self-lubrication, the service life of the stationary ring 19 is long, and the sealing performance formed by matching with the movable ring 16 is good.

As shown in fig. 1 and 2, a left sealing seat 20 and a right sealing seat 21 for sealing the side opening 3 are respectively screwed on two opposite outer side walls of the casing 1, an output mounting hole 22 is formed in the middle of the left sealing seat 20, an output bevel gear shaft 23 penetrating through the input mounting hole 7 is rotatably arranged in the transmission chamber 2, the output bevel gear shaft 23 comprises a shaft body and a bevel gear coaxially arranged in the middle of the shaft body, and the bevel gear of the output bevel gear shaft 23 is meshed with the bevel gear of the input bevel gear shaft 8.

As shown in fig. 1 and 2, a left mounting groove 24 is opened on an end surface of the left seal holder 20 facing the casing 1, the left mounting groove 24 is a circular groove, and a left bearing 25 is embedded in the left mounting groove 24. The right sealing seat 21 is provided with a right mounting groove 26 on the end surface facing the casing 1, the right mounting groove 26 is a circular groove, and a right bearing 27 is embedded in the right mounting groove 26. The left bearing 25 and the right bearing 27 are both sleeved on the input bevel gear shaft 8, the left bearing 25 and the right bearing 27 are used for supporting the output bevel gear shaft 23 to rotate together, and the output bevel gear shaft 23 can rotate stably through the cooperation of the left bearing 25 and the right bearing 27.

As shown in fig. 1 and 2, an oil seal groove 28 is formed at the bottom of the left mounting groove 24, a skeleton oil seal 29 is embedded in the oil seal groove 28, the skeleton oil seal 29 is sleeved on the output bevel gear shaft 23, and the skeleton oil seal 29 is used for isolating the output bevel gear shaft 23 from the external environment, so as to limit the lubricating oil from overflowing from the transmission chamber 2 through the output bevel gear shaft 23.

As shown in fig. 1 and 2, a left convex ring 30 is integrally connected to an end surface of the left seal holder 20 facing the casing 1, the left convex ring 30 is annular, and the left convex ring 30 is engaged with the side opening 3. The left sealing seat 20 deviates from the end face of the casing 1, the left connecting flange 31 is fixedly connected with the left side, the left connecting flange 31 is integrally connected with three left reinforcing ribs 32 between the top face and the side wall of the left sealing seat 20, and the three left reinforcing ribs 32 are distributed at equal intervals.

As shown in fig. 1 and 2, a right protruding ring 33 is integrally connected to an end surface of the right seal holder 21 facing the casing 1, the right protruding ring 33 is annular, and the right protruding ring 33 is in engagement with the side opening 3. The right side seals fixedly connected with right side on the terminal surface that seat 21 deviates from casing 1 and connects turn-ups 34, and the integral type is connected with three right strengthening rib 35 between the top surface of turn-ups 34 and the lateral wall of right side seal seat 21 on the right side, and three right strengthening rib 35 is equidistance interval distribution.

As shown in fig. 1 and 4, an oil filling port 36 communicated with the transmission chamber 2 is formed on the outer side wall of the casing 1, the cross section of the oil filling port 36 is rectangular, a cover plate 37 for closing the oil filling port 36 is screwed on the outer side wall of the casing 1, and the cover plate 37 is a rectangular plate. In the oil filling, the worker removes the screw of the cover plate 37 and removes the cover plate 37 from the oil filling port 36, and then drips the lubricating oil on the input bevel gear shaft 8 and the output bevel gear shaft 23 through the oil filling port 36.

As shown in fig. 1 and 4, an oil drain hole 38 communicating with the transmission chamber 2 is formed in an outer side wall of the casing 1, and an oil plug 39 for blocking the oil drain hole 38 is inserted therein. When oil is drained, a worker draws the oil plug 39 out of the oil drain hole 38, the lubricating oil in the transmission chamber 2 flows out of the transmission chamber 2 through the oil drain hole 38, and after the liquid lubricating oil in the belt transmission chamber 2 is drained, the oil plug 39 is reinserted into the oil drain hole 38.

The input bevel gear shaft 8 and the output bevel gear shaft 23 in the single-stage bevel gear reducer are relatively compact in arrangement, small in overall size and convenient to carry and transport.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A single-stage bevel gear reducer is characterized in that: comprises a machine shell (1) with a transmission chamber (2) inside, side openings (3) communicated with the transmission chamber (2) are respectively arranged on two outer side walls of the machine shell (1) which are back to back, a lower opening (4) communicated with the transmission chamber (2) is arranged on the bottom surface of the shell (1), a lower sealing seat (5) which seals the lower opening (4) and is provided with an input mounting hole (7) in the middle is arranged on the bottom surface of the machine shell (1), an input bevel gear shaft (8) which penetrates through the input mounting hole (7) is rotationally arranged in the transmission chamber (2), the outer side wall of the machine shell (1) is respectively provided with a left sealing seat (20) and a right sealing seat (21) which seal the side opening (3), the middle part of the left sealing seat (20) is provided with an output mounting hole (22), and an output bevel gear shaft (23) which penetrates through the input mounting hole (7) and is meshed with the input bevel gear shaft (8) is rotationally arranged in the transmission chamber (2).

2. A single stage bevel gear reducer according to claim 1 wherein: lower seal receptacle (5) are provided with down bulge loop (6) with under shed (4) scarf joint complex on the terminal surface towards casing (1), lower bulge loop (6) have been seted up on the terminal surface towards casing (1), go up embedded last bearing (10) of suit on input bevel gear axle (8) that is equipped with of mounting groove (9), lower seal receptacle (5) have been seted up down on the terminal surface that deviates from casing (1), lower mounting groove (11) are embedded to be equipped with lower bearing (12) of suit on input bevel gear axle (8) down in mounting groove (11).

3. A single stage bevel gear reducer according to claim 1 wherein: the lower seal seat (5) is provided with a lower seal cover (13) which seals an opening of an input mounting hole (7) and is penetrated by an input bevel gear shaft (8) on the end surface deviating from the casing (1), a tapered rotating ring mounting groove (14) and a stationary ring mounting groove (15) are sequentially formed in the end surface of the lower seal cover (13) facing the lower seal seat (5), a rotating ring (16) coaxially sleeved on the input bevel gear shaft (8) through key connection is arranged in the rotating ring mounting groove (14), a stationary ring component is arranged in the stationary ring mounting groove (15), the stationary ring component comprises a stationary ring seat (17) which is in scarf joint with the stationary ring mounting groove (15) and is penetrated by the input bevel gear shaft (8), a stationary ring groove (18) is formed in the end surface of the stationary ring seat (17) facing the rotating ring (16), a stationary ring (19) penetrated by the input bevel gear shaft (8) is embedded in the stationary ring groove (18), the end surfaces of the static ring (19) and the dynamic ring (16) which are close to each other are abutted.

4. A single stage bevel gear reducer according to claim 1 wherein: the left sealing seat (20) is provided with a left mounting groove (24) on the end face facing the casing (1), a left bearing (25) sleeved on the output bevel gear shaft (23) is embedded in the left mounting groove (24), a right mounting groove (26) is provided on the end face facing the casing (1) of the right sealing seat (21), and a right bearing (27) sleeved on the output bevel gear shaft (23) is embedded in the right mounting groove (26).

5. The single stage bevel gear reducer of claim 4 wherein: an oil seal groove (28) is formed in the groove bottom of the left mounting groove (24), and a framework oil seal (29) sleeved on the output bevel gear shaft (23) is embedded in the oil seal groove (28).

6. A single stage bevel gear reducer according to claim 1 wherein: an oil filling port (36) communicated with the transmission chamber (2) is formed in the outer side wall of the machine shell (1), and a cover plate (37) for sealing the oil filling port (36) is arranged on the outer side wall of the machine shell (1).

7. A single stage bevel gear reducer according to claim 1 wherein: an oil discharge hole (38) communicated with the transmission chamber (2) is formed in the outer side wall of the machine shell (1), and an oil plug (39) for blocking the oil discharge hole (38) is inserted into the oil discharge hole.

8. A single stage bevel gear reducer according to claim 1 wherein: a left side seals seat (20) and is provided with on the terminal surface towards casing (1) and scarf joint left bulge loop (30) with side opening (3), it connects turn-ups (31) to be provided with a left side on the terminal surface that left side sealed seat (20) deviates from casing (1), be provided with a plurality of left strengthening ribs (32) between the top surface of turn-ups (31) and the lateral wall of left side sealed seat (20) on a left side.

9. A single stage bevel gear reducer according to claim 1 wherein: right side seal seat (21) be provided with on the terminal surface towards casing (1) with side opening (3) scarf joint cooperation right bulge loop (33), right side seal seat (21) are provided with right side on deviating from the terminal surface of casing (1) and are connected turn-ups (34), be provided with a plurality of right strengthening ribs (35) between the top surface of right side connection turn-ups (34) and the lateral wall of right side seal seat (21).