CN217422139U

CN217422139U - Vertical speed reducer

Info

Publication number: CN217422139U
Application number: CN202123336965.2U
Authority: CN
Inventors: 尹贺
Original assignee: Dongguan Tianyi Precision Electromechanical Co ltd
Current assignee: Dongguan Tianyi Precision Electromechanical Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-09-13
Anticipated expiration: 2031-12-27

Abstract

The utility model belongs to the technical field of the speed reducer technique and specifically relates to a vertical speed reducer, including the gear box, input shaft and output shaft, both ends about the gear box are installed to input shaft and output shaft rotatable, gear box bottom fixed mounting has quick-witted case, quick-witted incasement bottom is equipped with the oil tank, the oil tank runs through quick-witted case, the equal fixed mounting in quick-witted bottom of portion four corners department has the pillar, fixed mounting has first bevel gear on the output shaft, the rotatable pivot of installing in quick-witted case one side, pivot one end fixed mounting has second bevel gear, second bevel gear and first bevel gear meshing, be provided with loading system in the oil tank, loading system is located the oil tank and can reciprocate in the oil tank, pressurize through the lubricating oil of loading system in to the oil tank, thereby make lubricating oil change and get into in the bearing and the bearing housing of the bottom of vertical speed reducer vertical scroll. Thereby the forced circulation lubrication is carried out to the bearing body, simultaneously the working temperature of the bearing body is also reduced, and the service life of the bearing body is prolonged.

Description

Vertical speed reducer

Technical Field

The utility model relates to a speed reducer technical field especially relates to a vertical speed reducer.

Background

The current application number is CN 201520849997.8's a novel vertical speed reducer of self-loopa specifically discloses: including casing, drive train and lubricated cooling circulation system, wherein the drive train passes through the shaft and installs in the casing, has effectually solved the lubricated and difficult drawback of cooling of vertical speed reducer lubricating oil upper portion gear on the one hand, and on the other hand can be at the self-cooling lubrication of carrying out under the no outside lubricating oil supply condition, improves the dependence of vertical speed reducer to operational environment to very big improvement the stability and the flexibility of vertical speed reducer operation.

The bottom bearing of the vertical shaft of the vertical speed reducer is arranged in a bearing sleeve, and the bearing sleeve is arranged on or connected to a bottom plate of the speed reducer and is directly soaked in an oil pool of a gear box. When the vertical speed reducer works, lubricating oil entering the inside of the bearing sleeve is difficult to exchange and circulate with lubricating oil in an oil pool of the gear box due to the cup-shaped structure of the bearing sleeve, so that the utilization rate of oil in the oil pool is low, and therefore the vertical speed reducer is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the lubricating oil in the bearing sleeve is difficult to exchange and circulate with the lubricating oil in the oil pool of the gear box in the prior art, and providing a vertical speed reducer.

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

the utility model provides a vertical speed reducer, includes gear box, input shaft and output shaft, both ends about the gear box are installed in input shaft and output shaft rotatable, gear box bottom fixed mounting has quick-witted case, machine incasement bottom is equipped with the oil tank, the oil tank runs through quick-witted case, the equal fixed mounting in machine bottom portion four corners department has the pillar, fixed mounting has first bevel gear on the output shaft, the rotatable pivot of installing in quick-witted case one side, pivot one end fixed mounting has second bevel gear, second bevel gear and the meshing of first bevel gear, pivot outer end fixed mounting has the spline, the rotatable installation of output shaft lower extreme is on oil tank and quick-witted case.

And a pressurizing mechanism is arranged in the oil tank and is positioned in the oil tank and can move up and down in the oil tank.

Preferably, the pressurizing mechanism comprises a piston pressing plate, and the piston pressing plate is located in the oil tank and can move up and down along the oil tank.

Preferably, two groups of driving mechanisms are installed in the case, and the driving mechanisms are connected to the tops of the piston pressing plates and can drive the piston pressing plates to move up and down along the oil tank.

Preferably, the two sets of driving mechanisms are distributed in a mirror image manner, each driving mechanism comprises a rack, the lower end of each rack is fixedly connected to the corresponding piston pressing plate, a motor is fixedly installed in the case, an incomplete gear is fixedly installed at the output shaft end of the motor, and the incomplete gear is meshed with the corresponding rack.

Preferably, a circular sheet is fixedly installed on the rack, a spring is sleeved on the rack, and two ends of the spring are fixedly connected to the circular sheet and the piston pressing plate respectively.

Preferably, a communicating pipe is arranged in the oil tank, and the communicating pipe penetrates through the case and is fixedly connected with the case.

The utility model provides a vertical speed reducer, beneficial effect lies in: lubricating oil is filled in the oil tank, and the lubricating oil in the oil tank is pressurized by the pressurizing mechanism, so that the lubricating oil can enter the bearing and the bearing sleeve at the bottom of the vertical shaft of the vertical speed reducer more easily. Thereby the forced circulation lubrication is carried out to the bearing body, simultaneously the working temperature of the bearing body is also reduced, and the service life of the bearing body is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of a vertical speed reducer according to the present invention.

Fig. 2 is a cross-sectional view of a vertical speed reducer provided by the utility model.

Fig. 3 is an enlarged schematic view of a partial structure of a vertical speed reducer according to the present invention.

In the figure: the device comprises a gear box 1, an input shaft 2, an output shaft 3, a case 4, an oil tank 5, a support 6, a first bevel gear 7, a rotating shaft 8, a second bevel gear 9, a spline 10, a piston pressing plate 11, a rack 12, a motor 13, an incomplete gear 14, a wafer 15, a spring 16 and a communicating pipe 17.

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.

Example 1:

referring to fig. 1-3, a vertical speed reducer comprises a gear box 1, an input shaft 2 and an output shaft 3, wherein the input shaft 2 and the output shaft 3 are rotatably mounted at the upper end and the lower end of the gear box 1, a case 4 is fixedly mounted at the bottom of the gear box 1, an oil tank 5 is arranged at the bottom of the case 4, the oil tank 5 penetrates through the case 4, pillars 6 are fixedly mounted at four corners of the bottom of the case 4, a first bevel gear 7 is fixedly mounted on the output shaft 3, a rotating shaft 8 is rotatably mounted at one side of the case 4, a second bevel gear 9 is fixedly mounted at one end of the rotating shaft 8, the second bevel gear 9 is meshed with the first bevel gear 7, a spline 10 is fixedly mounted at the outer end of the rotating shaft 8, and the lower end of the output shaft 3 is rotatably mounted on the oil tank 5 and the case 4. A pressurizing mechanism is arranged in the oil tank 5, and the pressurizing mechanism is positioned in the oil tank 5 and can move up and down in the oil tank 5. The lubricating oil is filled in the oil tank 5, and the lubricating oil in the oil tank 5 is pressurized by the pressurizing mechanism, so that the lubricating oil can enter the bearing and the bearing sleeve at the bottom of the vertical shaft of the vertical speed reducer more easily. Thereby the forced circulation lubrication is carried out to the bearing body, simultaneously the working temperature of the bearing body is also reduced, and the service life of the bearing body is prolonged.

Example 2:

referring to fig. 1 to 3, as another preferred embodiment of the present invention, the difference from embodiment 1 is that the pressurizing mechanism includes a piston pressing plate 11, and the piston pressing plate 11 is located in the oil tank 5 and can move up and down along the oil tank 5. Two groups of driving mechanisms are installed in the case 4, and the driving mechanisms are connected to the top of the piston pressing plate 11 and can drive the piston pressing plate 11 to move up and down along the oil tank 5. Two sets of driving mechanisms are distributed in a mirror image mode, each driving mechanism comprises a rack 12, the lower end of each rack 12 is fixedly connected to a piston pressing plate 11, a motor 13 is fixedly installed in the case 4, an incomplete gear 14 is fixedly installed at the output shaft end of each motor 13, and the incomplete gear 14 is meshed with the racks 12. The circular sheet 15 is fixedly arranged on the rack 12, the spring 16 is sleeved on the rack 12, and two ends of the spring 16 are fixedly connected to the circular sheet 15 and the piston pressing plate 11 respectively. A communicating pipe 17 is arranged in the oil tank 5, and the communicating pipe 17 penetrates through the case 4 and is fixedly connected with the case 4.

The working principle is as follows: when the pressurizing mechanism works, the motor 13 drives the incomplete gear 14 to rotate, the incomplete gear 14 drives the rack 12 to rotate, so that the piston pressing plate 11 is driven to press lubricating oil downwards, meanwhile, the upper part and the lower part of the oil tank 5 are in a communicated state through the communicating pipe 17, when the incomplete gear 14 is separated from the rack 12, the rack 12 is restored to the original shape under the elastic force action of the spring 16, then the incomplete gear 14 is continuously meshed with the rack 12, the piston pressing plate 11 can be driven to continuously press the lubricating oil downwards, and the problem that the piston pressing plate 11 cannot move when the pressure is too high is solved through intermittent pressurizing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A vertical speed reducer comprises a gear box (1), an input shaft (2) and an output shaft (3), wherein the input shaft (2) and the output shaft (3) are rotatably arranged at the upper end and the lower end of the gear box (1), and is characterized in that a case (4) is fixedly arranged at the bottom of the gear box (1), an oil tank (5) is arranged at the bottom of the case (4), the oil tank (5) penetrates through the case (4), pillars (6) are fixedly arranged at four corners of the bottom of the case (4), a first bevel gear (7) is fixedly arranged on the output shaft (3), a rotating shaft (8) is rotatably arranged at one side of the case (4), a second bevel gear (9) is fixedly arranged at one end of the rotating shaft (8), the second bevel gear (9) is meshed with the first bevel gear (7), and a spline (10) is fixedly arranged at the outer end of the rotating shaft (8), the lower end of the output shaft (3) is rotatably arranged on the oil tank (5) and the case (4);

and a pressurizing mechanism is arranged in the oil tank (5), is positioned in the oil tank (5) and can move up and down in the oil tank (5).

2. A vertical reducer according to claim 1, in which the pressure mechanism comprises a piston pressure plate (11), the piston pressure plate (11) being located in the oil tank (5) and being movable up and down along the oil tank (5).

3. The vertical speed reducer according to claim 2, wherein two sets of driving mechanisms are installed in the case (4), and the driving mechanisms are connected to the top of the piston pressing plate (11) and can drive the piston pressing plate (11) to move up and down along the oil tank (5).

4. A vertical speed reducer according to claim 3, wherein the two sets of driving mechanisms are distributed in a mirror image manner, each driving mechanism comprises a rack (12), the lower end of each rack (12) is fixedly connected to a piston pressing plate (11), a motor (13) is fixedly installed in the case (4), an incomplete gear (14) is fixedly installed at the output shaft end of the motor (13), and the incomplete gear (14) is meshed with the racks (12).

5. The vertical speed reducer according to claim 4, wherein a disk (15) is fixedly mounted on the rack (12), a spring (16) is sleeved on the rack (12), and two ends of the spring (16) are respectively fixedly connected to the disk (15) and the piston pressing plate (11).

6. A vertical speed reducer according to claim 5, wherein a communication pipe (17) is arranged in the oil tank (5), and the communication pipe (17) penetrates through the case (4) and is fixedly connected with the case (4).