CN215370914U

CN215370914U - Gear box high-speed shaft oil nozzle drainage tube

Info

Publication number: CN215370914U
Application number: CN202121810337.0U
Authority: CN
Inventors: 白月成; 于保春; 牛犇犇; 王进; 常子雄; 裴忠喾; 聂星; 赵国祥; 王鑫鑫; 张亚峰; 吴绍群; 吕泽峰; 智国; 张小飞
Original assignee: Luneng New Energy Group Co ltd Hebei Branch
Current assignee: Luneng New Energy Group Co ltd Hebei Branch
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-31
Anticipated expiration: 2031-08-04

Abstract

The utility model discloses a drainage tube of a high-speed shaft oil nozzle of a gear box, and relates to the technical field of bearing maintenance. Including DHWG3000 gear box body, DHWG3000 gear box body fixed surface is connected with gear oil tank, this internal epaxial wind direction bearing of high speed that is equipped with of DHWG3000 gear box, epaxial wind direction bearing fixed surface is connected with the high-speed axle of high speed, defeated oil pipe of fixedly connected with in the gear oil tank, defeated oil pipe fixed surface is connected with the fuel sprayer, the fuel sprayer surface is through flange fixedly connected with drainage tube, drainage tube fixed surface is connected with the fixing pipe clamp, fixing pipe clamp fixed surface is at DHWG3000 gear box body inner wall, the gear oil that the fuel sprayer lower surface erupted falls on the high-speed axle surface, the gear oil that the drainage tube lower surface erupted falls on the epaxial wind direction bearing surface of high speed, the effectual cooling effect that improves oil cooling system, the fault rate is reduced, great reduction cost of maintenance, and work efficiency is improved.

Description

Gear box high-speed shaft oil nozzle drainage tube

Technical Field

The utility model relates to the technical field of bearing maintenance, in particular to a drainage tube of a high-speed shaft oil nozzle of a gear box.

Background

The Huarui SL3000 fan of the health and protection wind power plant adopts a heavy DHWG3000(D100) gearbox, the temperature of a wind bearing on a high-speed shaft of the gearbox is frequently reported to be high in fault in the operation process, a large amount of manpower and material resources are needed for maintenance before transformation, the annual maintenance cost is up to million yuan, and the non-stop loss is about 400 million yuan each year.

The gear oil after being analyzed and cooled can not be sprayed to contact with a wind direction high-speed bearing on the gear box, so that the gear oil can not be fully cooled in the operation process, the temperature of the high-speed bearing rises after the unit operates for a long time, and the temperature of the bearing of the gear box is reported by a fan to be raised to cause a fault.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-speed shaft oil nozzle drainage tube of a gear box, and solves the technical problems that the gear box used by the existing fan often stops working due to overhigh temperature caused by the fact that cooled gear oil cannot be directly sprayed onto an upper wind direction bearing, the failure rate is increased, the maintenance cost is greatly increased, and the working efficiency is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a gear box high-speed axle fuel sprayer drainage tube, includes DHWG3000 gear box body, DHWG3000 gear box body fixed surface is connected with the gear oil tank, this internal wind direction bearing that is equipped with of DHWG3000 gear box, the wind direction bearing fixed surface is connected with the high-speed axle on the high-speed axle, defeated oil pipe of fixedly connected with in the gear oil tank, defeated oil pipe fixed surface is connected with the fuel sprayer, the fuel sprayer surface is through flange fixedly connected with drainage tube, drainage tube fixed surface is connected with the fixed pipe clamp.

Preferably, the fixed pipe clamp surface is fixedly connected to the inner wall of the DHWG3000 gearbox body.

Preferably, the gear oil sprayed from the lower surface of the oil nozzle falls on the surface of the high-speed shaft.

Preferably, the gear oil sprayed from the lower surface of the draft tube falls on the wind bearing surface on the high speed shaft.

Preferably, an access hole is formed in the surface of the DHWG3000 gearbox body, and a screw hole is recessed in the surface of the access hole.

Compared with the prior art, the gear box high-speed shaft oil nozzle drainage tube provided by the utility model has the following beneficial effects:

the utility model provides a high-speed shaft oil nozzle drainage tube of a gear box, which is characterized in that cooled gear oil is transmitted to an oil nozzle through an oil delivery pipe, then part of the gear oil is sprayed to the surface of a high-speed shaft from the lower surface of the oil nozzle, then part of the gear oil is guided by the drainage tube and sprayed to the surface of a wind bearing on the high-speed shaft from the lower surface of the drainage tube, and the drainage tube is fixed on the inner wall of a DHWG3000 gear box body by a fixing pipe clamp to prevent the drainage tube from shaking, so that the cooling effect of an oil cooling system is effectively improved, the failure rate is reduced, the maintenance cost is greatly reduced, the working efficiency is improved, and the problems that the working of the gear box used by the existing fan is often stopped because the cooled gear oil cannot be directly sprayed to the wind bearing, the failure rate is increased, the maintenance cost is greatly increased, and the working efficiency is influenced are solved.

The utility model provides a high-speed shaft oil nozzle drainage tube of a gear box, which is more convenient to maintain when equipment breaks down and more convenient to maintain daily through the arrangement of an access hole, the access hole is separated from the external environment through the threaded connection of a sealing plate and a screw hole, the possibility of dust entering a DHWG3000 gear box body is reduced, and the service life of the equipment is effectively prolonged.

Drawings

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

FIG. 2 is a schematic cross-sectional view of a high speed shaft configuration of the present invention;

fig. 3 is a schematic view of the structure of the drainage tube of the present invention.

In the figure: 1. the DHWG3000 gearbox comprises a DHWG3000 gearbox body, 11, a gear oil tank, 12, an access hole, 13, screw holes, 14, a high-speed shaft, 15, a wind direction bearing on the high-speed shaft, 16, a fixed pipe clamp, 17, a drainage pipe, 18, an oil nozzle, 19 and an oil conveying pipe.

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.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution, including a DHWG3000 gearbox body 1, a gear oil tank 11 is fixedly connected to a surface of the DHWG3000 gearbox body 1, a high-speed shaft wind bearing 15 is arranged in the DHWG3000 gearbox body 1, a high-speed shaft 14 is fixedly connected to a surface of the high-speed shaft wind bearing 15, an oil delivery pipe 19 is fixedly connected to the gear oil tank 11, an oil spray nozzle 18 is fixedly connected to a lower surface of the oil delivery pipe 19, a drainage pipe 17 is fixedly connected to a surface of the oil spray nozzle 18 through a connecting flange, a fixing pipe clamp 16 is fixedly connected to a surface of the drainage pipe 17, a surface of the fixing pipe clamp 16 is fixedly connected to an inner wall of the DHWG3000 gearbox body 1, gear oil sprayed from a lower surface of the oil spray nozzle 18 falls on a surface of the high-speed shaft 14, and gear oil sprayed from a lower surface of the drainage pipe 17 falls on a surface of the high-speed shaft wind bearing 15.

In this embodiment: the gear oil after will cooling is transmitted to oil sprayer 18 through defeated oil pipe 19, then partial gear oil sprays to high-speed shaft 14 surface from oil sprayer 18 lower surface, then partial gear oil is by drainage tube 17 drainage and spray to high-speed epaxial wind direction bearing 15 surface by its lower surface, and fix at 1 inner wall of DHWG3000 gear box body by fixed pipe clamp 16 and prevent that drainage tube 17 from rocking, the effectual cooling effect that improves the oil cooling system, the fault rate is reduced, great reduction cost of maintenance, and the work efficiency is improved.

Example two:

referring to fig. 1, on the basis of the first embodiment, the present invention provides a technical solution: an access hole 12 is formed in the surface of the DHWG3000 gearbox body 1, a screw hole 13 is recessed in the surface of the access hole 12, and the inner wall of the screw hole 13 is connected with a sealing plate through a bolt and a thread.

In this embodiment: set up through the access hole 12 and make equipment maintenance when breaking down more convenient, it is more convenient to overhaul daily, makes access hole 12 and external environment wall by closing plate and 13 threaded connection of screw, reduces the possibility that the dust got into DHWG3000 gear box body 1, the effectual life who increases equipment.

The working principle is as follows: defeated oil pipe 19 transmits the gear oil after the cooling to fuel sprayer 18, then partial gear oil sprays to high-speed shaft 14 surface from fuel sprayer 18 lower surface, then partial gear oil is by drainage tube 17 drainage and spray to high-speed epaxial wind direction bearing 15 surface by its lower surface, and fix at the inner wall of DHWG3000 gear box body 1 by fixed pipe clamp 16 and prevent that drainage tube 17 from rocking, the effectual cooling effect that improves the oil cooling system, the fault rate is reduced, great reduction cost of maintenance, and the work efficiency is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 gear box high-speed axle fuel sprayer drainage tube, includes DHWG3000 gear box body (1), DHWG3000 gear box body (1) fixed surface is connected with gear oil tank (11), be equipped with high-speed epaxial wind direction bearing (15) in the DHWG3000 gear box body (1), high-speed epaxial wind direction bearing (15) fixed surface is connected with high-speed axle (14), its characterized in that: the oil delivery pipe (19) is fixedly connected to the inside of the gear oil tank (11), the oil injection nozzle (18) is fixedly connected to the lower surface of the oil delivery pipe (19), the drainage pipe (17) is fixedly connected to the surface of the oil injection nozzle (18) through a connecting flange, and the fixed pipe clamp (16) is fixedly connected to the surface of the drainage pipe (17).

2. The gearbox high-speed shaft oil nozzle drainage pipe of claim 1, characterized in that: the surface of the fixed pipe clamp (16) is fixedly connected to the inner wall of the DHWG3000 gearbox body (1).

3. The gearbox high-speed shaft oil nozzle drainage pipe of claim 1, characterized in that: the gear oil sprayed out of the lower surface of the oil spray nozzle (18) falls on the surface of the high-speed shaft (14).

4. The gearbox high-speed shaft oil nozzle drainage pipe of claim 1, characterized in that: the gear oil sprayed out of the lower surface of the drainage tube (17) falls on the surface of a wind bearing (15) on the high-speed shaft.

5. The gearbox high-speed shaft oil nozzle drainage pipe of claim 1, characterized in that: an access hole (12) is formed in the surface of the DHWG3000 gearbox body (1), and a screw hole (13) is formed in the surface of the access hole (12) in a concave mode.