CN211737954U

CN211737954U - Reciprocating gear box

Info

Publication number: CN211737954U
Application number: CN202020475487.XU
Authority: CN
Inventors: 胡立新; 徐振丰; 任元元; 巩一霏
Original assignee: Wuyi Dongda Electrical Appliance Co ltd
Current assignee: Wuyi Dongda Electrical Appliance Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-10-23
Anticipated expiration: 2030-04-03

Abstract

The utility model discloses a reciprocating gear box, which comprises a box body, wherein a reciprocating transmission shaft is arranged in the box body; a driving bevel gear is arranged at the end part of the reciprocating transmission shaft, and a reciprocating output shaft is arranged at one side of the reciprocating transmission shaft; the end part of the reciprocating output shaft is provided with a driven bevel gear; the side wall of the box body is provided with a connecting groove, and balls are arranged in the connecting groove; a first transmission shaft is arranged on one side of the reciprocating transmission shaft, and a first driving incomplete gear is sleeved on the first transmission shaft; a second transmission shaft is arranged on the other side of the reciprocating transmission shaft, and a second driving incomplete gear is sleeved on the second transmission shaft; the reciprocating transmission shaft is provided with a first driven incomplete gear and a second driven incomplete gear. The utility model discloses not only can the noise reduction produce, still have the advantage of stability in use height, long service life, simple structure, convenient to use and environmental protection.

Description

Reciprocating gear box

Technical Field

The utility model relates to a gear box, especially reciprocating type gear box.

Background

The gearbox is an important mechanical part widely applied to a wind generating set, and has the main function of transmitting current generated by a wind wheel under the action of wind power to a generator and enabling the generator to obtain corresponding rotating speed; the existing gear box can generate larger noise due to the transmission and high-speed rotation of gears in the using process, and can affect the health of workers in long-term work; meanwhile, the traditional gearbox mostly utilizes a link mechanism as a transmission mechanism, but when the link mechanism is used for reciprocating transmission, particularly high-speed rotation, larger vibration and dynamic load can be generated, inertia force is difficult to balance, power transmission fluctuation is larger, and the use stability is poorer. Therefore, the existing gear box has the problems of high noise and poor use stability in the use process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reciprocating type gear box. The utility model discloses not only can the noise reduction produce, still have the high advantage of stability in use.

The technical scheme of the utility model: the reciprocating type gear box comprises a box body, wherein a reciprocating transmission shaft is arranged in the box body; a driving bevel gear is arranged at the end part of the reciprocating transmission shaft, and a reciprocating output shaft is vertically arranged at one side of the reciprocating transmission shaft; the end part of the reciprocating output shaft is provided with a driven bevel gear which is meshed with the driving bevel gear; a connecting groove is formed in the side wall of the box body at a position corresponding to the reciprocating output shaft, a ball is arranged in the connecting groove, and the reciprocating output shaft is connected with the connecting groove in a sliding and rotating mode through the ball; a first transmission shaft is arranged on one side of the reciprocating transmission shaft, and a first driving incomplete gear is sleeved on the first transmission shaft; a second transmission shaft is arranged on the other side of the reciprocating transmission shaft, and a second driving incomplete gear is sleeved on the second transmission shaft; the reciprocating transmission shaft is provided with a first driven incomplete gear meshed with the first driving incomplete gear, one side of the first driven incomplete gear is provided with a second driven incomplete gear, and the second driven incomplete gear is meshed with the second driving incomplete gear.

In the reciprocating gearbox, the top surface of the box body is provided with an access hole, and a box cover is rotatably connected to the access hole; the bottom surface of the box cover is provided with a sound-absorbing cotton layer, the side surface of the box cover is provided with a sealant block, and the sealant block is attached to the inner wall of the access hole.

In the reciprocating gear box, a collecting tank is arranged on the inner bottom surface of the box body, and a spray pipe is arranged on the inner top surface of the box body; the bottom surface of the spray pipe is provided with a plurality of uniformly distributed spray heads, and the top surface of the spray pipe is provided with an input pipe; an oil storage tank is arranged at one end of the input pipe, and a first suction pump is installed on the input pipe; one side of the input pipe is provided with a circulating pipe, one end part of the circulating pipe is connected with the collecting tank, and a second suction pump is arranged on the circulating pipe.

In the reciprocating type gear box, the positions corresponding to the first transmission shaft and the second transmission shaft on the box body are provided with mounting grooves, and sealing rubber blocks are filled in each mounting groove.

In the reciprocating gearbox, the driving bevel gear and the driven bevel gear are sleeved with the sound absorption layers.

Compared with the prior art, the utility model improves the prior gear box, the connecting groove is arranged on the side wall of the box body corresponding to the position of the reciprocating output shaft, the ball is arranged in the connecting groove, and the friction force when the reciprocating output shaft rotates is reduced through the tender consolidation of the ball, so that the abrasion of the box body and the reciprocating output shaft can be reduced, the service life is prolonged, and the noise can be reduced due to the reduction of the friction force; by arranging the driving bevel gear and the driven bevel gear, vertical transmission and horizontal transmission can be realized between the reciprocating output shaft and the reciprocating transmission shaft, and the application range is expanded; meanwhile, the first transmission shaft and the second transmission shaft are arranged, the first driving incomplete gear and the second driving incomplete gear are respectively arranged on the first transmission shaft and the second transmission shaft, the first driven incomplete gear and the second driven incomplete gear are correspondingly arranged on the reciprocating transmission shaft, and the reciprocating transmission shaft can move back and forth by utilizing lip motion between the two groups of incomplete gears, so that the integral reciprocating motion of the gear box is realized, and the integral structure is simple; and the incomplete gear has a self-locking function because of the structure of the gear, thereby avoiding the phenomenon that the gear box can not be stably used due to the phenomenon of large whole span and dynamic load generated in the process of high-speed operation of the traditional connecting mechanism or cam mechanism, and improving the use stability. In addition, the utility model also provides an access hole on the top surface of the box body, thereby facilitating the maintenance of the interior of the gear box; by arranging the sealing rubber block and the sound-absorbing cotton layer, the interior of the gear box is in a sealed state when in use, and the sound-absorbing cotton layer can absorb most of noise generated when the gear box runs, so that the noise is reduced, and the operating environment is improved; by arranging the spray pipe, the collecting tank and the oil storage tank on the box body, a lubricating circulating channel can be formed by the circulating pipe, the input pipe, the first suction pump and the second suction pump, and the internal lubricating and cooling of the gear box are automatically realized, so that the use is convenient, the utilization rate of a lubricant is improved, and the gear box is more environment-friendly; the sound absorbing layers are sleeved on the driving bevel gear and the driven bevel gear, so that the noise generated in the driving bevel gear and the driven bevel gear in the transmission process can be reduced, and the noise generation is further reduced. Therefore, the utility model discloses not only can the noise reduction the production, still have the advantage of stability in use height, long service life, simple structure, convenient to use and environmental protection.

Drawings

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

fig. 2 is a schematic structural diagram of the corresponding reciprocating output shaft on the box body.

The labels in the figures are: 1-box body, 2-reciprocating transmission shaft, 3-driving bevel gear, 4-reciprocating output shaft, 5-driven bevel gear, 6-connecting groove, 9-ball, 10-first transmission shaft, 11-first driving incomplete gear, 12-second transmission shaft, 13-second driving incomplete gear, 14-first driven incomplete gear, 15-second driven incomplete gear, 16-maintenance opening, 17-box cover, 18-sound-absorbing cotton layer, 19-sealing rubber block, 20-collecting tank, 21-spraying pipe, 22-spraying head, 23-input pipe, 24-oil storage tank, 25-first suction pump, 26-circulating pipe and 27-second suction pump.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. The reciprocating type gear box is formed as shown in figures 1 and 2 and comprises a box body 1, wherein a reciprocating transmission shaft 2 is arranged in the box body 1; a driving bevel gear 3 is arranged at the end part of the reciprocating transmission shaft 2, and a reciprocating output shaft 4 is vertically arranged at one side of the reciprocating transmission shaft 2; the end part of the reciprocating output shaft 4 is provided with a driven bevel gear 5, and the driven bevel gear 5 is meshed with the driving bevel gear 3; a connecting groove 6 is arranged on the side wall of the box body 1 at a position corresponding to the reciprocating output shaft 4, a ball 9 is arranged in the connecting groove 6, and the reciprocating output shaft 4 is connected with the connecting groove 6 in a sliding and rotating mode through the ball 9; a first transmission shaft 10 is arranged on one side of the reciprocating transmission shaft 2, and a first driving incomplete gear 11 is sleeved on the first transmission shaft 10; a second transmission shaft 12 is arranged on the other side of the reciprocating transmission shaft 2, and a second driving incomplete gear 13 is sleeved on the second transmission shaft 12; the reciprocating transmission shaft 2 is provided with a first driven incomplete gear 14 in meshed connection with the first driving incomplete gear 11, one side of the first driven incomplete gear 14 is provided with a second driven incomplete gear 15, and the second driven incomplete gear 15 is meshed with the second driving incomplete gear 13.

An access hole 16 is formed in the top surface of the box body 1, and a box cover 17 is rotatably connected to the access hole 16; a sound absorption cotton layer 18 is arranged on the bottom surface of the box cover 17, a sealing rubber block 19 is arranged on the side surface of the box cover 17, and the sealing rubber block 19 is attached to the inner wall of the access hole 16; a collecting tank 20 is arranged on the inner bottom surface of the box body 1, and a spray pipe 21 is arranged on the inner top surface of the box body 1; a plurality of uniformly distributed spray headers 22 are arranged on the bottom surface of the spray pipe 21, and an input pipe 23 is arranged on the top surface of the spray pipe 21; an oil storage tank 24 is arranged at one end part of the input pipe 23, and a first suction pump 25 is arranged on the input pipe 23; a circulating pipe 26 is arranged on one side of the input pipe 23, one end part of the circulating pipe 26 is connected with the collecting tank 20, and a second suction pump 27 is arranged on the circulating pipe 26; mounting grooves are formed in the box body 1 at positions corresponding to the first transmission shaft 10 and the second transmission shaft 12, and a sealing rubber block 19 is filled in each mounting groove; and the driving bevel gear 3 and the driven bevel gear 5 are both sleeved with sound absorbing layers.

The working principle is as follows: when in use, the first transmission shaft 10 and the second transmission shaft 12 are driven to rotate by an external driving device, the first driving incomplete gear 11 is driven to rotate after the first transmission shaft 10 rotates, because the first driving incomplete gear 11 is meshed with the first driven incomplete gear 14, when the first driving incomplete gear 11 rotates, the first driven incomplete gear 14 is driven to rotate, the first driven incomplete gear 14 is sleeved on the reciprocating transmission shaft 2, so that the first driven incomplete gear 14 drives the reciprocating transmission shaft 2 to rotate clockwise, the reciprocating transmission shaft 2 drives the driving bevel gear 3 to rotate, since the drive bevel gear 3 is engaged with the driven bevel gear 5, the driven bevel gear 5 is mounted on the reciprocating output shaft 4, so that the driving bevel gear 3 drives the reciprocating output shaft 4 to rotate in the positive direction by driving the driven bevel gear 5 to rotate; because the gears of the first driving incomplete gear 11 and the second driving incomplete gear 13 are incomplete, when the first driving incomplete gear 11 is in meshing transmission, one surface of the second driving incomplete gear 13, which is just not provided with a gear, is attached to the second driven incomplete gear 15, so that transmission cannot be generated, and the reciprocating transmission shaft 2 can keep smooth clockwise rotation; after first initiative incomplete gear 11 and the first driven incomplete gear 14 meshing interval passed, at this moment, gear and the driven incomplete gear 15 meshing of second on the second initiative incomplete gear 13, drive the rotation of second initiative incomplete gear 13 along with second transmission shaft 12, make second initiative incomplete gear 13 can drive the driven incomplete gear 15 of second and rotate, because the driven incomplete gear 15 of second also sets up on reciprocating transmission shaft 2, thereby make the driven incomplete gear 15 of second drive reciprocating transmission shaft 2 anticlockwise rotation, reciprocating transmission shaft 2 anticlockwise rotation can drive reciprocating output shaft 4 anticlockwise rotation through initiative bevel gear 3 and driven bevel gear 5, and then realize reciprocating output shaft 4 can carry out periodic reciprocating rotation.

When the reciprocating output shaft 4 rotates, the ball 9 is driven to rotate, and the ball 9 is arranged between the reciprocating output shaft 4 and the inner wall of the box body 1, so that the sliding friction of the ball 9 is converted into rolling friction, and the noise can be reduced; the sound absorption cotton layer 18 can also absorb noise generated inside in the process of operating the gearbox, so that the sound transmitted to the air by the gearbox is reduced as much as possible; when the gears inside need to be lubricated and cooled, only the first suction pump 25 and the second suction pump 27 need to be started, after the first suction pump 25 is started, lubricating liquid in the oil storage tank 24 is conveyed to the spraying pipe 21 through the input pipe 23, and the lubricating liquid entering the spraying pipe 21 can cool and lubricate the inside of the gear box from various positions through the spraying head 22; the sprayed lubricating fluid will slide down to the collecting groove 20 along the surface of the internal element, and then the lubricating fluid entering into the collecting groove 20 will return to the spraying pipe 21 through the circulating pipe 26 under the action of the second suction pump 27 for recycling.

Claims

1. Reciprocating type gear box, its characterized in that: comprises a box body (1), wherein a reciprocating transmission shaft (2) is arranged in the box body (1); a driving bevel gear (3) is arranged at the end part of the reciprocating transmission shaft (2), and a reciprocating output shaft (4) is vertically arranged at one side of the reciprocating transmission shaft (2); the end part of the reciprocating output shaft (4) is provided with a driven bevel gear (5), and the driven bevel gear (5) is meshed with the driving bevel gear (3); a connecting groove (6) is formed in the side wall of the box body (1) at a position corresponding to the reciprocating output shaft (4), a ball (9) is arranged in the connecting groove (6), and the reciprocating output shaft (4) is connected with the connecting groove (6) in a sliding and rotating mode through the ball (9); a first transmission shaft (10) is arranged on one side of the reciprocating transmission shaft (2), and a first driving incomplete gear (11) is sleeved on the first transmission shaft (10); a second transmission shaft (12) is arranged on the other side of the reciprocating transmission shaft (2), and a second driving incomplete gear (13) is sleeved on the second transmission shaft (12); the reciprocating transmission shaft (2) is provided with a first driven incomplete gear (14) in meshed connection with the first driving incomplete gear (11), one side of the first driven incomplete gear (14) is provided with a second driven incomplete gear (15), and the second driven incomplete gear (15) is meshed with the second driving incomplete gear (13).

2. The reciprocating gearbox of claim 1, wherein: an access hole (16) is formed in the top surface of the box body (1), and a box cover (17) is rotatably connected to the access hole (16); the bottom surface of the box cover (17) is provided with a sound absorption cotton layer (18), the side surface of the box cover (17) is provided with a sealant block (19), and the sealant block (19) is attached to the inner wall of the access hole (16).

3. The reciprocating gearbox of claim 1, wherein: a collecting tank (20) is arranged on the inner bottom surface of the box body (1), and a spray pipe (21) is arranged on the inner top surface of the box body (1); a plurality of uniformly distributed spray headers (22) are arranged on the bottom surface of the spray pipe (21), and an input pipe (23) is arranged on the top surface of the spray pipe (21); an oil storage tank (24) is arranged at one end part of the input pipe (23), and a first suction pump (25) is installed on the input pipe (23); a circulating pipe (26) is arranged on one side of the input pipe (23), one end part of the circulating pipe (26) is connected with the collecting tank (20), and a second suction pump (27) is arranged on the circulating pipe (26).

4. The reciprocating gearbox of claim 2, wherein: the box (1) is provided with mounting grooves corresponding to the first transmission shaft (10) and the second transmission shaft (12), and each mounting groove is filled with a sealing rubber block (19).

5. The reciprocating gearbox of any one of claims 1 to 4, wherein: and the driving bevel gear (3) and the driven bevel gear (5) are sleeved with sound absorbing layers.