CN216951591U

CN216951591U - Vertical speed reducer with drainage cooling function

Info

Publication number: CN216951591U
Application number: CN202220330692.6U
Authority: CN
Inventors: 王从福; 尹庆德; 黄永倩; 张殿忠; 李寿东
Original assignee: Shandong Huacheng Sino German Transmission Equipment Co ltd
Current assignee: Shandong Huacheng Sino German Transmission Equipment Co ltd
Priority date: 2022-02-18
Filing date: 2022-02-18
Publication date: 2022-07-12
Anticipated expiration: 2032-02-18

Abstract

A vertical speed reducer with a drainage cooling function belongs to the technical field of speed reducers. Including shell (2), lateral part and top output, its characterized in that from shell (2) are respectively gone out to input shaft (3) and output shaft (1): the water throwing device is characterized in that a water throwing disc (7) is arranged above the shell (2), the water throwing disc (7) is sleeved and fixed on an outer ring of the output shaft (1), a cooling groove (4) is formed in the top surface of the shell (2), a collecting mechanism used for collecting water drops thrown out by the water throwing disc (7) is arranged above the cooling groove (4), the collecting mechanism is located below the water throwing disc (7), and an outlet of the collecting mechanism is downward and right aligned to an inlet of the cooling groove (4). In this vertical reduction gear with drainage cooling function, through setting up the water throwing disc, throw away the drop of water that the output shaft top dropped, avoid the drop of water to fall into the inside damage that causes of reduction gear, set up simultaneously and collect the mechanism and collect the drop of water that the water throwing disc was thrown away, realized the cooling effect to the reduction gear to a certain extent.

Description

Vertical speed reducer with drainage cooling function

Technical Field

A vertical speed reducer with a drainage cooling function belongs to the technical field of speed reducers.

Background

A vertical type speed reducer is a transmission device widely used in various fields, and functions to match a rotational speed and transmit a torque between a prime mover and a working machine or an actuator. Because the working condition environment is more complicated, the vertical speed reducer is often used in the occasions with large water vapor and even water spraying above the water vapor. Because the output shaft of the vertical speed reducer is generally positioned above the shell, the water is easy to enter the output shaft, and the inside of the speed reducer is damaged by the water. The traditional vertical type speed reducer adopts a waterproof mode that an oil seal is arranged at an output shaft, however, the oil seal is difficult to block the permeation of moisture, and the speed reducer still has the phenomenon of damage caused by water inflow.

Disclosure of Invention

The technical problem to be solved by the utility model is as follows: overcome prior art's not enough, provide one kind through setting up the water-throwing disk, throw away the drop of water that the output shaft top drips, avoid the drop of water to fall into the inside damage that causes of reduction gear, set up simultaneously and collect the mechanism and collect the drop of water that the water-throwing disk was thrown away, realized the vertical reduction gear who has drainage cooling function of cooling effect to the reduction gear to a certain extent.

The technical scheme adopted by the utility model for solving the technical problems is as follows: this vertical reduction gear with drainage cooling function, including the shell, lateral part and top output, its characterized in that from the shell are respectively to input shaft and output shaft: the water throwing device comprises a shell, a water throwing disc, a collecting mechanism and a water collecting mechanism, wherein the water throwing disc is arranged above the shell, the outer ring of an output shaft is sleeved and fixed on the water throwing disc, the top surface of the shell is provided with a cooling tank, the collecting mechanism is arranged above the cooling tank and used for collecting water drops thrown out by the water throwing disc, the collecting mechanism is positioned below the water throwing disc, and an outlet of the collecting mechanism is downwards opposite to an inlet of the cooling tank.

Preferably, the collecting mechanism comprises a water receiving box, a recovery pipe is arranged on one side of the water receiving box, and the recovery pipe is over against the inlet of the cooling tank.

Preferably, the bottom surface of the water receiving box is an inclined surface, and the recovery pipe is arranged at the lower end of the inclined surface.

Preferably, the outer ring of the output shaft is sleeved with a bearing chamber, a bearing sleeved on the outer ring of the output shaft is arranged in the bearing chamber, and the water receiving box is sleeved and fixed on the outer ring of the bearing chamber.

Preferably, an end cover is fixed at the opening at the top of the bearing chamber, the end cover is sleeved on the outer ring of the output shaft, and an oil seal is arranged on the periphery of a rotating surface between the end cover and the output shaft.

Preferably, a water blocking sleeve is fixed on the outer ring of the output shaft, the water throwing disc is fixed on the upper surface of the water blocking sleeve, and two sealing rings are arranged on the joint surface of the water blocking sleeve and the output shaft from top to bottom.

Preferably, the water retaining sleeve comprises two semicircular single bodies, bosses are formed at two ends of each single body, fixing holes are formed in the bosses, and a sealing groove for accommodating the sealing ring is formed in the arc-shaped inner wall of each single body from top to bottom.

Preferably, a cover plate is arranged at an opening at the top of the cooling tank, an opening is formed in the position, opposite to the outlet of the recovery pipe, of the cover plate, and a filter screen is arranged at the opening.

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

1. in this vertical reduction gear with drainage cooling function, through setting up the water throwing disc, throw away the drop of water that the output shaft top dropped, avoid the drop of water to fall into the inside damage that causes of reduction gear, set up simultaneously and collect the mechanism and collect the drop of water that the water throwing disc was thrown away, realized the cooling effect to the reduction gear to a certain extent.

2. An oil seal is arranged on the inner ring of the end cover, and the end cover and the output shaft are sealed.

3. The bottom surface of the water receiving box is an inclined surface, and the recovery pipe is arranged at the lower end of the inclined surface, so that water drops can be conveniently collected.

Drawings

Fig. 1 is a schematic structural view of a vertical type speed reducer having a drain cooling function.

Fig. 2 is a sectional view taken at a in fig. 1.

Fig. 3 is a schematic structural diagram of a water retaining sleeve of a vertical speed reducer with a drainage cooling function.

Fig. 4 is a schematic view of direction a in fig. 3.

Wherein: 1. the water-saving device comprises an output shaft 2, a shell 3, an input shaft 4, a cooling tank 5, a recovery pipe 6, a water blocking sleeve 7, a water throwing disc 8, an end cover 9, a water receiving box 10, a cover plate 11, a drain pipe 12, a bearing chamber 13, a bearing 14, an oil seal 15, a sealing ring 16, a fixing hole 17 and a sealing groove.

Detailed Description

Fig. 1 to 4 are preferred embodiments of the present invention, and the present invention will be further described with reference to fig. 1 to 4.

As shown in fig. 1, a vertical reducer with a drainage cooling function (hereinafter referred to as a vertical reducer) includes a housing 2, an input shaft 3 is led out from a side portion of the housing 2, an output shaft 1 is led out from a top portion of the housing 2, and transmission between the output shaft 1 and the input shaft 3 is realized inside the housing 2 through a mechanical structure known in the art, such as gear transmission, worm transmission, and the like, so as to realize a speed reduction effect, which is not described herein again.

Referring to fig. 2, a bearing chamber 12 is provided at the top of the housing 2, the bearing chamber 12 is sleeved on the outer ring of the output shaft 1, a bearing 13 is provided in the bearing chamber 12, and the bearing 13 is also sleeved on the outer ring of the output shaft 1. An end cover 8 is fixed to the top of the bearing chamber 12 by screws, and the opening at the top of the bearing chamber 12 is blocked by the end cover 8. The end cover 8 is sleeved on the outer ring of the output shaft 1, and the circumference of a rotating surface between the end cover 8 and the output shaft 1 is sealed through an oil seal 14.

A water blocking sleeve 6 is arranged above the end cover 8, the water blocking sleeve 6 is fixed on the outer ring of the output shaft 1 and synchronously rotates along with the output shaft 1, and two sealing rings 15 are arranged on the joint surface of the water blocking sleeve 6 and the output shaft 1 from top to bottom to seal the gap between the water blocking sleeve 6 and the output shaft 1. With reference to fig. 3 to 4, the water blocking sleeve 6 includes two semicircular single bodies, bosses are formed at two ends of each single body, fixing holes 16 are formed in the bosses, an inner ring structure in butt joint with the output shaft 1 is formed after the two single bodies are in butt joint, and the two single bodies are fixed through bolts to complete the fixation between the water blocking sleeve 6 and the output shaft 1.

The seal groove 17 is formed in the arc-shaped inner wall of the water retaining sleeve 6 from top to bottom, and after the two monomers are fixed through bolts, the semicircular seal grooves 17 in the two monomers are butted to form an annular groove for accommodating the seal ring 15.

Further referring to fig. 2, a water throwing disc 7 is fixed on the upper surface of the water retaining sleeve 6 through screws, and the water throwing disc 7 is an annular disc sleeved on the outer ring of the output shaft 1. The outer ring of the water throwing disc 7 is bent downwards to form an inclined plane, and the water throwing disc 7 rotates synchronously with the output shaft 1. A water receiving box 9 is arranged below the water throwing disc 7, the water receiving box 9 is an annular box body with an open upper end, and the water receiving box 9 is sleeved on an outer ring at the top of the bearing chamber 12.

The edge of the water throwing disc 7 is downward opposite to the opening at the upper end of the water receiving box 9, so that water drops are conveniently thrown into the water receiving box 9. The bottom surface of the water receiving box 9 is an inclined surface, and the recovery pipe 5 is arranged at the lower end of the bottom surface of the water receiving box 9, so that water collected in the water receiving box 9 can be conveniently concentrated and then uniformly discharged.

An annular cooling tank 4 is arranged at the top of the shell 2, a cover plate 10 is arranged at the opening of the top of the cooling tank 4, an opening is arranged at the position, facing the outlet of the recovery pipe 5, of the cover plate 10, a filter screen is arranged at the opening, and a water source output from the bottom of the recovery pipe 5 falls into the cooling tank 4 through the filter screen to filter the water source output by the recovery pipe 5. A drain pipe 11 is arranged outside the shell 2, the drain pipe 11 is communicated with the cooling tank 4 so as to be convenient for draining the water source in the cooling tank 4, and the drain pipe 11 is positioned at the other side opposite to the filter screen.

The specific working process and working principle are as follows:

in the working process of the vertical speed reducer, water drops falling from the upper part of the output shaft 1 fall on the surface of the water throwing disc 7, and the water throwing disc 7 rotates synchronously with the output shaft 1, so that the water drops on the surface of the water throwing disc 7 gradually move towards the outer ring of the water throwing disc 7 under the action of centrifugal force and are finally thrown out of the water throwing disc 7.

Water beads fall into the water receiving box 9 after being thrown out of the water throwing disc 7, flow to the recycling pipe 5 along the inclined plane at the bottom of the water receiving box 9 in the water receiving box 9, and finally flow out of the recycling pipe 5 to enter the cooling tank 4 to form water flow. The water flow dissipates heat to some extent from the housing 2 during the flow in the cooling bath 4 and is finally discharged from the drain pipe 11.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the utility model may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a vertical reduction gear with drainage cooling function, includes shell (2), and lateral part and top output, its characterized in that of shell (2) are followed respectively to input shaft (3) and output shaft (1): the water throwing device is characterized in that a water throwing disc (7) is arranged above the shell (2), the water throwing disc (7) is sleeved and fixed on an outer ring of the output shaft (1), a cooling groove (4) is formed in the top surface of the shell (2), a collecting mechanism used for collecting water drops thrown out by the water throwing disc (7) is arranged above the cooling groove (4), the collecting mechanism is located below the water throwing disc (7), and an outlet of the collecting mechanism is downward and right aligned to an inlet of the cooling groove (4).

2. The vertical decelerator with drain cooling function according to claim 1, wherein: the collecting mechanism comprises a water receiving box (9), a recovery pipe (5) is arranged on one side of the water receiving box (9), and the recovery pipe (5) is over against the inlet of the cooling tank (4).

3. The vertical decelerator with drain cooling function according to claim 2, wherein: the bottom surface of the water receiving box (9) is an inclined surface, and the recovery pipe (5) is arranged at the lower end of the inclined surface.

4. The vertical decelerator with drain cooling function according to claim 2, wherein: the bearing chamber (12) is sleeved on the outer ring of the output shaft (1), the bearing (13) sleeved on the outer ring of the output shaft (1) is arranged in the bearing chamber (12), and the water receiving box (9) is sleeved and fixed on the outer ring of the bearing chamber (12).

5. The vertical decelerator with drain cooling function according to claim 4, wherein: an end cover (8) is fixed at the opening at the top of the bearing chamber (12), the end cover (8) is sleeved on the outer ring of the output shaft (1), and an oil seal (14) is arranged on the periphery of a rotating surface between the end cover (8) and the output shaft (1).

6. The vertical decelerator with drain cooling function according to claim 1, wherein: a water blocking sleeve (6) is fixed on the outer ring of the output shaft (1), the water throwing disc (7) is fixed on the upper surface of the water blocking sleeve (6), and two sealing rings (15) are arranged on the joint surface of the water blocking sleeve (6) and the output shaft (1) from top to bottom.

7. The vertical decelerator having a drain cooling function according to claim 6, wherein: the water retaining sleeve (6) comprises two semicircular single bodies, bosses are formed at two ends of each single body, fixing holes (16) are formed in the bosses, and a sealing groove (17) used for accommodating the sealing ring (15) is formed in the arc-shaped inner wall of each single body from top to bottom.

8. The vertical decelerator with drain cooling function according to claim 2, wherein: a cover plate (10) is arranged at an opening at the top of the cooling tank (4), an opening is arranged at the position, facing the outlet of the recovery pipe (5), of the cover plate (10), and a filter screen is arranged at the opening.