CN215720715U

CN215720715U - Single-input double-output three-gear variable speed gear box

Info

Publication number: CN215720715U
Application number: CN202121297059.3U
Authority: CN
Inventors: 丁现强
Original assignee: Jinan De'ao Chain Manufacturing Co ltd
Current assignee: Jinan De'ao Chain Manufacturing Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-01
Anticipated expiration: 2031-06-10

Abstract

The utility model relates to the technical field of gear boxes, and discloses a single-in double-out three-gear variable-speed gear box which comprises a gear box body and a sound-deadening box, wherein three damping springs are fixedly connected to the inner bottom wall of the sound-deadening box, the top ends of the three damping springs are fixedly connected with the same damping seat, the inner wall of the damping seat is fixedly connected with the surface of the gear box body, a primary sound-deadening cavity and a plurality of primary holes are respectively formed in the inner top wall of the sound-deadening box, a bent channel is formed in the inner top wall of the primary hole, the single-in double-out three-gear variable-speed gear box is characterized in that the damping springs and the damping seat are matched to damp the gear box body, so that noise generated by vibration of the gear box body is reduced, the plurality of bent channels and the damping cotton are continuously refracted after the noise enters the bent channels, and finally the damping cotton absorbs the noise to reduce the noise, so that the noise generated by gear meshing rotation is solved, prolonged exposure to intense noise can cause problems with damage to the auditory organs.

Description

Single-input double-output three-gear variable speed gear box

Technical Field

The utility model relates to the technical field of gear boxes, in particular to a single-input double-output three-gear speed change gear box.

Background

The gear box is widely applied to wind generating sets, is often used in the wind generating sets and is an important mechanical component, the gear box mainly has the function of transmitting power generated by a wind wheel under the action of wind power to power devices such as a generator and the like to obtain corresponding rotating speed, the rotating speed of the wind wheel is usually very low and can not reach the rotating speed required by the power generation of the generator, and the rotating speed is realized by the speed increasing action of a gear pair of the gear box, so the gear box is also called as a speed increasing box.

However, when the gears of the household gear box are meshed and rotated, all parts of the system and the gear box can vibrate to generate noise, the noise of the gear box is chronic and systemic, the harm to human bodies is caused, the change of auditory systems can be caused, the influence can be caused on non-auditory systems, and the damage to auditory organs can be caused by the strong noise after long-term contact.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a single-input double-output three-gear speed change gear box to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a singly go into two three-gear variable speed gear box that go out, includes gear box body and whistle box, the three damping spring of inner diapire fixedly connected with of whistle box, it is three damping mount of damping spring's the same shock mount of top fixedly connected with, the inner wall of shock mount is connected with the fixed surface of gear box body, one-level amortization chamber and a plurality of one-level hole have been seted up respectively to the interior roof of whistle box, curved passageway has been seted up to the interior roof in one-level hole, and is a plurality of curved passageway all is linked together with one-level amortization chamber, the inner wall fixedly connected with amortization cotton in one-level amortization chamber, second grade amortization chamber and a plurality of second grade hole have all been seted up to the left side inner wall and the right side inner wall of whistle box, and is a plurality of second grade hole and second grade amortization chamber are linked together, the inside in second grade amortization chamber is provided with a plurality of porous sponge balls.

Preferably, the gear box body comprises an output shaft, a box body and a connecting end, the surface of the box body is fixedly connected with the inner wall of the shock absorption seat, the left side of the box body is rotatably connected with the right end of the output shaft, and the right side of the box body is fixedly connected with the left side of the connecting end.

Preferably, the left side and the right side of the sound muffling box are both provided with connecting holes, the inner wall of the connecting hole on the left side is rotatably connected with the surface of the output shaft, and the inner wall of the connecting hole on the right side is rotatably connected with a shaft of the power device.

Preferably, the surface of the box body is fixedly connected with an oil filling pipe, and the bottom end of the oil filling pipe penetrates through the inner wall of the box body.

Preferably, the inner wall of the oil filling pipe is provided with a plug, and the plug is matched with the oil filling pipe.

Preferably, the left side and the right side of the sound muffling box are both fixedly connected with sealing rings, and the sealing rings on the left side are matched with the output shaft.

Preferably, the lower surface of the sound muffling box is fixedly connected with four wheels, and the four wheels are arranged on the lower surface of the sound muffling box in a rectangular array.

Advantageous effects

Compared with the prior art, the utility model provides a single-input double-output three-gear speed change gear box which has the following beneficial effects:

this singly go into two three-gear variable speed gear box that go out, cooperate to carry out the shock attenuation to the gear box body through setting up damping spring and shock-absorbing seat, reduce the vibration of gear box body and the noise that sends, through setting up a plurality of curved passageways and amortization cotton constantly refraction behind the curved passageway of noise admission, at last by the cotton absorption noise reduction of amortization, make the noise constantly refraction in porous sponge ball through setting up a plurality of porous sponge balls, reduce the noise that the gear pair sent to the side, thereby gear engagement has been solved and has been rotated the noise of sending, the strong noise of long-term contact can arouse the problem of auditory organ damage.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the sound muffling box of the present invention;

FIG. 4 is a schematic sectional view of a part of the sound muffling box of the present invention;

fig. 5 is an exploded view of a portion of the structure of the present invention.

In the figure: 1. a gear box body; 101. an output shaft; 102. a box body; 103. a connecting end; 2. a sound silencing box; 3. a primary pore; 4. bending the channel; 5. a primary sound-deadening chamber; 6. silencing cotton; 7. a secondary pore; 8. a secondary sound-deadening cavity; 9. a porous sponge ball; 10. a shock absorbing seat; 11. a damping spring; 12. an oil filler tube; 13. a plug; 14. a wheel; 15. and (5) sealing rings.

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.

Please refer to fig. 1-5, a single-in double-out three-gear variable speed gear box, including gear box body 1 and whistle box 2, three damping spring 11 of inner bottom wall fixedly connected with of whistle box 2, the same shock mount 10 of top fixedly connected with of three damping spring 11, the inner wall of shock mount 10 is connected with gear box body 1's fixed surface, one-level whistle chamber 5 and a plurality of one-level hole 3 have been seted up respectively to the inner roof of whistle box 2, curved passageway 4 has been seted up to the inner roof of one-level hole 3, a plurality of curved passageways 4 all are linked together with one-level whistle chamber 5, the inner wall fixedly connected with amortization cotton 6 of one-level whistle chamber 5, second grade whistle chamber 8 and a plurality of second grade hole 7 have all been seted up to the left side inner wall and the right side inner wall of whistle box 2, a plurality of second grade holes 7 are linked together with second grade whistle chamber 8, the inside of second grade whistle chamber 8 is provided with a plurality of porous sponge balls 9.

In this embodiment, as shown in fig. 2 and 5, the gear box body 1 includes an output shaft 101, a box body 102 and a connecting end 103, a surface of the box body 102 is fixedly connected with an inner wall of the damper base 10, a left side of the box body 102 is rotatably connected with a right end of the output shaft 101, and a right side of the box body 102 is fixedly connected with a left side of the connecting end 103.

The left side and the right side of the sound muffling box 2 are both provided with connecting holes, the inner wall of the connecting hole on the left side is rotatably connected with the surface of the output shaft 101, and the inner wall of the connecting hole on the right side is rotatably connected with a shaft of the power device.

Specifically, the output shaft 101 is used for being connected with a wind wheel, and power is accelerated by a gear pair in the box body 102 and then transmitted to the generator through the connecting end 103 to enable the generator to obtain a corresponding rotating speed.

In this embodiment, as shown in fig. 1 to 5, the oil filling pipe 12 is fixedly connected to the surface of the box body 102, and the bottom end of the oil filling pipe 12 penetrates through the inner wall of the box body 102.

The inner wall of the filler tube 12 is provided with a plug 13, the plug 13 fitting into the filler tube 12.

The left side and the right side of the sound muffling box 2 are both fixedly connected with a sealing ring 15, and the left sealing ring 15 is matched with the output shaft 101.

The four wheels 14 are fixedly connected to the lower surface of the sound muffling box 2, and the four wheels 14 are arranged on the lower surface of the sound muffling box 2 in a rectangular array.

Specifically, can add lubricating oil to the gear pair in box 102 through setting up oil filling pipe 12, stopper 13 prevents that lubricating oil from spilling and the dust gets into, and the gear pair frictional resistance after adding lubricating oil reduces, is favorable to reducing the noise when gear engagement rotates, prolongs the life of gear pair, and through setting up sealing washer 15 noise abatement and spilling from the connecting hole, wheel 14 is convenient for easily remove whistle box 2, and is convenient, swift.

The working principle is that when the single-in double-out three-gear speed changing gearbox is used, a user firstly pours lubricating oil into the oil filling pipe 12 to lubricate a gear pair in the box body 102, so as to reduce noise generated when gears rotate in a meshed mode, when the gears rotate in a meshed mode, all parts of the system and the gearbox body 1 can vibrate to generate noise, the shock absorption seat 10 and the shock absorption spring 11 absorb the shock of the gearbox body 1, huge noise generated when the gearbox body 1 vibrates is preliminarily reduced, the noise respectively enters the primary hole 3 and the secondary hole 7 after being generated, enters the bent channel 4 from the primary hole 3, is continuously refracted inside the bent channel 4 to consume the noise and finally enters the primary sound absorption cavity 5 to be absorbed by the sound absorption cotton 6, the noise enters the secondary sound absorption cavity 8 from the secondary hole 7 to be in contact with the porous sponge ball 9, and is continuously refracted in the hole in the porous sponge ball 9 to consume the noise, the two sealing rings 15 prevent noise from leaking out of the gap of the connecting hole, and reduce the noise again, thereby solving the problem that the noise is generated by the meshing rotation of the gears, and the damage of auditory organs can be caused by the strong noise after long-term contact.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a single income is two goes out three-gear change gear case, includes gear box body (1) and whistle box (2), its characterized in that: the inner bottom wall of the sound-muffling box (2) is fixedly connected with three damping springs (11), the top ends of the three damping springs (11) are fixedly connected with the same damping seat (10), the inner wall of the shock absorption seat (10) is fixedly connected with the surface of the gear box body (1), the inner top wall of the silencing box (2) is respectively provided with a primary silencing cavity (5) and a plurality of primary holes (3), the inner top wall of the primary hole (3) is provided with a curved channel (4), a plurality of curved channels (4) are communicated with the primary silencing cavity (5), the inner wall of the primary silencing cavity (5) is fixedly connected with silencing cotton (6), a secondary silencing cavity (8) and a plurality of secondary holes (7) are respectively arranged on the left inner wall and the right inner wall of the silencing box (2), the plurality of secondary holes (7) are communicated with the secondary silencing cavity (8), a plurality of porous sponge balls (9) are arranged inside the secondary silencing cavity (8).

2. A single-in double-out three-speed gear box according to claim 1, wherein: the gearbox body (1) comprises an output shaft (101), a box body (102) and a connecting end (103), the surface of the box body (102) is fixedly connected with the inner wall of the shock absorption seat (10), the left side of the box body (102) is rotatably connected with the right end of the output shaft (101), and the right side of the box body (102) is fixedly connected with the left side of the connecting end (103).

3. A single-in double-out three-speed gear box according to claim 1, wherein: the left side and the right side of the sound muffling box (2) are both provided with connecting holes, the inner wall of the connecting hole on the left side is rotatably connected with the surface of the output shaft (101), and the inner wall of the connecting hole on the right side is rotatably connected with a shaft of the power device.

4. A single-in double-out three-speed gear box according to claim 2, wherein: the surface of the box body (102) is fixedly connected with an oil filling pipe (12), and the bottom end of the oil filling pipe (12) penetrates through the inner wall of the box body (102).

5. The single-in double-out three-speed gearbox of claim 4, wherein: the inner wall of the oil filling pipe (12) is provided with a plug (13), and the plug (13) is matched with the oil filling pipe (12).

6. A single-in double-out three-speed gear box according to claim 1, wherein: the left side and the right side of the sound muffling box (2) are both fixedly connected with a sealing ring (15), and the sealing ring (15) is matched with the output shaft (101) on the left side.

7. A single-in double-out three-speed gear box according to claim 1, wherein: the lower surface of the sound-muffling box (2) is fixedly connected with four wheels (14), and the four wheels (14) are arranged on the lower surface of the sound-muffling box (2) in a rectangular array.