CN212839324U

CN212839324U - Gear box lubricating oil lifting mechanism

Info

Publication number: CN212839324U
Application number: CN202021634303.6U
Authority: CN
Inventors: 张明明; 王从福; 宋建康; 翟淑东; 尹庆德
Original assignee: Shandong Huacheng Sino German Transmission Equipment Co ltd
Current assignee: Shandong Huacheng Sino German Transmission Equipment Co ltd
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-03-30
Anticipated expiration: 2030-08-08

Abstract

A gear box lubricating oil lifting mechanism belongs to the technical field of gear box lubrication. The method is characterized in that: the gearbox comprises a gearbox cover (1), an output sleeve (2) and a lifting spiral conveying device, wherein the lifting spiral conveying device is sleeved on an output shaft (4), the lifting spiral conveying device rotates along with the output shaft (4), and the lower part of the lifting spiral conveying device is positioned below the axis of an input shaft (9); an output sleeve (2) is sleeved outside the lifting screw conveying device, the upper part of the output sleeve (2) is fixedly installed on a gearbox cover (1), a gap is arranged between the lifting screw conveying device and the output sleeve (2), and the upper part of the gap is communicated with an output bearing (7) positioned on the upper part of the output shaft (4). The utility model discloses add lubricating oil between output shaft and input shaft and promote the structure, promote lubricating oil to the bearing room of top output bearing. Not only solves the lubrication problem of each bearing at the top of the gear box, but also reduces the cost of independent lubrication and avoids the problem of limited installation space.

Description

Gear box lubricating oil lifting mechanism

Technical Field

A gear box lubricating oil lifting mechanism belongs to the technical field of gear box lubrication.

Background

In general, lubricating oil is required to be added into a gearbox during operation to ensure lubrication of running parts in the gearbox, and in the structure of the existing gearbox, bearings in a plurality of gearboxes are positioned at the top of the gearbox, and the liquid level of the lubricating oil of the gearbox can only reach the position of a horizontal center line of the gearbox, such as the axial position of a transverse input shaft. This prevents the lubricant from reaching the bearings located at the top of the gear box. At present, a common solution to this problem is to lubricate the bearings on the top of the gearbox separately by means of an external oil pump. However, in use, the solution is not only expensive, but also limited by the installation space, and the practicability is not high.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: the shortcomings of the prior art are overcome and a gearbox lubricating oil lifting mechanism for lifting lubricating oil from a lower position to a bearing chamber above a top bearing is provided.

The utility model provides a technical scheme that its technical problem adopted is: this gear box lubricating oil hoist mechanism, its characterized in that: the gearbox cover is provided with a transverse input shaft, a vertical output shaft and a secondary shaft, the input shaft is sequentially meshed with the secondary shaft and the output shaft through a gear, the output shaft is sleeved with the lifting screw conveying device, the lifting screw conveying device rotates along with the output shaft, and the lower part of the lifting screw conveying device is positioned below the axis of the input shaft; an output sleeve is sleeved outside the lifting screw conveying device, the upper portion of the output sleeve is fixedly mounted on a gearbox cover, a gap is formed between the lifting screw conveying device and the output sleeve, and the upper portion of the gap is communicated with an output bearing located on the upper portion of the output shaft.

The utility model discloses change traditional lubricating oil lubricating structure, add lubricating oil lifting structure between output shaft and input shaft, it is concrete, suit lift screw conveyor on the output shaft, lift screw conveyor follows the output shaft and rotates together, and the outside suit output sleeve of lift screw conveyor is equipped with the clearance moreover, be equipped with the clearance between lift screw conveyor and the output sleeve, the gear box when operation, a lift screw conveyor below partly is located the oil groove, promote lubricating oil to the bearing room of top output bearing through the rotation that falls screw conveyor. The temperature rise of each bearing at the top of the gear box is detected to be not more than 30 ℃ after the gear box runs for two hours through the experiment table, and the lubricating effect is excellent. The utility model discloses a lubricating oil promotes structure has not only solved the lubricated problem of each bearing in gear box top, has also reduced the cost of individual lubrication, and has avoided the limited problem of installation space, can accomplish in the gear box is inside, and the structure of gear box is compacter.

The lifting spiral conveying device is a spiral groove copper sleeve, the spiral groove copper sleeve is a sleeve with a spiral groove on the outer portion, and the spiral groove copper sleeve is sleeved on the output shaft in an interference fit mode.

The upper part of the two shafts is provided with a two-shaft bearing, and a bearing chamber communicating cavity channel is arranged between the two-shaft bearing and the output bearing. The bearing chamber of the output bearing and the bearing chamber of the biaxial bearing are communicated. The lubricating oil can flow from the bearing chamber of the output bearing into the bearing chamber of the two-shaft bearing. The synchronous lubrication of a plurality of bearings at the top of the gearbox is realized through the lifting screw conveying device.

The lower part of the output shaft is connected with a disk gear, the disk gear is connected with two shafts arranged on one side of the output shaft in parallel, and the upper parts of the two shafts are connected with an input shaft through a bevel gear set.

The disk gear is connected with the lower part of the lifting screw conveying device through a hexagon head bolt.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

Drawings

FIG. 1 is a schematic view of the installation relationship of a gearbox lubricating oil lifting mechanism.

The device comprises a gear box cover 1, a gear box cover 2, an output sleeve 3, a spiral groove copper sleeve 4, an output shaft 5, a hexagon head bolt 6, a disc gear 7, an output bearing 8, a double-shaft bearing 9, an input shaft 10, a double-shaft 11 and a bearing chamber communicating cavity channel.

Detailed Description

Fig. 1 is a preferred embodiment of the present invention, and the present invention will be further explained with reference to fig. 1.

Referring to figure 1: a gearbox lubricating oil lifting mechanism comprises a gearbox cover 1, an output sleeve 2 and a lifting screw conveying device, wherein the gearbox cover 1 is provided with a transverse input shaft 9, a vertical output shaft 4 and a biaxial shaft 10, the input shaft 9 is sequentially meshed with the biaxial shaft 10 and the output shaft 4 through gears, the lifting screw conveying device is sleeved on the output shaft 4 and rotates along with the output shaft 4, and the lower part of the lifting screw conveying device is positioned below the axis of the input shaft 9; an output sleeve 2 is sleeved outside the lifting screw conveying device, the upper part of the output sleeve 2 is fixedly installed on a gearbox cover 1, a gap is arranged between the lifting screw conveying device and the output sleeve 2, and the upper part of the gap is communicated with an output bearing 7 positioned on the upper part of an output shaft 4.

The lifting screw conveying device is a spiral groove copper sleeve 3, the spiral groove copper sleeve 3 is a sleeve with a spiral groove on the outer portion, and the spiral groove copper sleeve is sleeved on the output shaft 4 in an interference fit mode. The upper part of the secondary shaft 10 is provided with a secondary shaft bearing 8, and a bearing chamber communicating cavity 11 is arranged between the secondary shaft bearing 8 and the output bearing 7. The lower part of the output shaft 4 is connected with a disk gear 6, the disk gear 6 is connected with a biaxial 10 arranged on one side of the output shaft in parallel, and the upper part of the biaxial 10 is connected with an input shaft 9 through a bevel gear set. The disk gear 6 is connected with the lower part of the lifting screw conveying device through a hexagon head bolt 5.

The working process and the working principle are as follows: when the gear box moves, 9 central line positions of input shaft are filled to lubricating oil, output bearing 7 and two-shaft bearing 8 are located the oil level line top, can't obtain the lubrication of lubricating oil, obtain abundant lubrication in order to let output bearing 7 and two-shaft bearing 8, need promote output bearing 7 and two-shaft bearing 8's top with lubricating oil, use here the utility model discloses a lubricating oil promotes the structure, mainly utilizes helicla flute copper sheathing 3, and the processing of 3 excircles of helicla flute copper sheathing has the helicla flute, and the processing of 3 terminal surfaces of helicla flute copper sheathing has the bolt hole, and helicla flute copper sheathing 3 is connected with disc gear 6 through hexagon head bolt 5, and the assembly is in the same place through interference fit with the excircle of output shaft 4 in the helicla flute copper sheathing 3, and output shaft 4 are rotatory together, and there is 0.5mm clearance in the excircle of copper sheathing 3 and output. The output sleeve 2 is fixed on the gearbox cover 1, a part of the lower part of the spiral groove of the excircle of the spiral groove copper sleeve 3 is positioned in the oil groove when the gearbox operates, and lubricating oil is lifted into a bearing chamber of the upper output bearing 7 through the rotation of the spiral groove copper sleeve 3. The bearing chamber of the output bearing 7 and the bearing chamber of the biaxial bearing 8 are communicated. The lubricating oil can flow from the bearing chamber of the output bearing 7 into the bearing chamber of the biaxial bearing 8. After the gear box runs for two hours through the experiment table, the temperature rise of the output bearing 7 and the biaxial bearing 8 is detected to be not more than 30 ℃ and the lubrication is good.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A gear box lubricating oil hoist mechanism which characterized in that: the gearbox cover (1) is provided with a transverse input shaft (9), a vertical output shaft (4) and a biaxial (10), the input shaft (9) is sequentially meshed with the biaxial (10) and the output shaft (4) through gears, the lifting screw conveying device is sleeved on the output shaft (4), the lifting screw conveying device rotates along with the output shaft (4), and the lower part of the lifting screw conveying device is positioned below the axis of the input shaft (9); an output sleeve (2) is sleeved outside the lifting screw conveying device, the upper part of the output sleeve (2) is fixedly installed on a gearbox cover (1), a gap is arranged between the lifting screw conveying device and the output sleeve (2), and the upper part of the gap is communicated with an output bearing (7) positioned on the upper part of the output shaft (4).

2. A gearbox lubricant lifting mechanism as defined in claim 1, wherein: the lifting spiral conveying device is a spiral groove copper sleeve (3), the spiral groove copper sleeve (3) is a sleeve with a spiral groove on the outer portion, and the sleeve is sleeved on the output shaft (4) in an interference fit mode.

3. A gearbox lubricant lifting mechanism as defined in claim 1, wherein: the upper part of the secondary shaft (10) is provided with a secondary shaft bearing (8), and a bearing chamber communicating cavity channel (11) is arranged between the secondary shaft bearing (8) and the output bearing (7).

4. A gearbox lubricant lifting mechanism as defined in claim 1, wherein: the lower part of the output shaft (4) is connected with a disc gear (6) and is connected with a second shaft (10) which is arranged on one side of the disc gear in parallel through the disc gear (6), and the upper part of the second shaft (10) is connected with an input shaft (9) through a bevel gear set.

5. A gearbox oil lifting mechanism according to claim 4, wherein: the disc gear (6) is connected with the lower part of the lifting screw conveying device through a hexagon head bolt (5).