CN211121988U

CN211121988U - Novel high-speed flywheel test device

Info

Publication number: CN211121988U
Application number: CN201922000806.1U
Authority: CN
Inventors: 李辉; 张辉; 郁旋旋
Original assignee: Jiangsu Liance Electromechanical Technology Co ltd
Current assignee: Jiangsu Liance Electromechanical Technology Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-07-28
Anticipated expiration: 2029-11-19

Abstract

A novel high-speed flywheel test device comprises a flywheel main shaft (1), wherein the flywheel main shaft (1) is connected with a bearing shell (12) through a high-speed bearing (5), one end of the bearing shell (12) is provided with an end cover (2), and the other end of the bearing shell is provided with a torque ring (7); the oil seal sealing ring (3) and the labyrinth bushing (4) are paired to form a pair and are encapsulated in a bearing shell (12), and the high-speed bearing (5) is installed on the flywheel main shaft (1) through the labyrinth bushing (4); the flywheel (6) is connected with the flywheel spindle (1); the torsion ring (7) is sleeved on the flywheel spindle (1) through a spline sleeve (9); the oil injection pipe (8) and the oil drain pipe (10) are arranged on two sides of the torsion ring (7). The flywheel sleeve (11) and the bearing shell (12) are arranged on the base (13). The utility model discloses the structure has high-speed operational capability, satisfies the high-speed reliable operation of aeroengine matching inertia.

Description

Novel high-speed flywheel test device

Technical Field

The utility model relates to an aeroengine test field specifically is a novel high-speed flywheel test device.

Background

With the independent research and development of domestic aero-engines, various tests such as product performance development, calibration, matching, simulation, reliability and durability and the like need to be carried out, and the power performance test of the simulated engine is carried out on the aero-engine on a test bed through a power loading device. One of the most important requirements for an aircraft engine is to rapidly accelerate from an idle slow-moving condition to full load, full speed. In order to verify the transient behaviour of the engine, it is necessary to provide a flywheel together with a dynamometer in order to reproduce the inertial effects of the helicopter rotor or propeller on the test rig. The flywheel inertia set has high rotating speed and large kinetic energy, can cause equipment damage by carelessness and needs extremely high balance. The speed of the traditional flywheel is limited by bearing lubrication and sealing and is difficult to meet the requirements of an aeroengine.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a novel high-speed flywheel testing device, which comprises a flywheel main shaft, wherein the flywheel main shaft is connected with a bearing shell through a high-speed bearing, one end of the bearing shell is provided with an end cover, and the other end of the bearing shell is provided with a torsion ring; the oil seal sealing ring and the labyrinth bush are paired to form a pair and are packaged in the bearing shell, the labyrinth bush is arranged on the outer side of the high-speed bearing, and the labyrinth bush is installed on the flywheel main shaft. The flywheel and the flywheel spindle are integrally formed or connected in a hot sleeve mode. A spline sleeve is arranged in the torque ring and sleeved on the flywheel main shaft; the oil injection pipe is arranged in the torsion ring and used for lubricating the high-speed connection between the spline sleeve and the flywheel spindle; the flywheel sleeve and the bearing shell are arranged on the base; the oil drain pipe is also arranged in the torsion ring.

The utility model discloses reliable sealed is realized to tight oil seal ring, and the flywheel main shaft of integration have high rigidity. The high-speed transmission shaft of the oil injection lubrication structure is lubricated, the lubrication of a high-speed bearing is reliable, and high-speed balance is ensured, so that vibration is within a reasonable range. The utility model discloses the structure has high-speed operational capability, satisfies the high-speed reliable operation of aeroengine matching inertia.

Drawings

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

In the figure, 1, a flywheel main shaft, 2, an end cover, 3, an oil sealing ring, 4, a labyrinth bush, 5, a high-speed bearing, 6, a flywheel, 7, a torque ring, 8, an oil injection pipe, 9, a spline sleeve, 10, an oil drainage pipe, 11, a flywheel sheath, 12, a bearing shell, 13 and a base.

Detailed Description

As shown in figure 1, the novel high-speed flywheel testing device comprises a flywheel main shaft 1, wherein the flywheel main shaft 1 is connected with a bearing shell 12 through a high-speed bearing 5, one end of the bearing shell 12 is provided with an end cover 2, and the other end of the bearing shell is provided with a torsion ring 7. The oil seal ring 3 and the labyrinth bush 4 are paired as a pair and enclosed in the bearing housing 12. The oil seal ring 3 is provided with an oil spray hole and a seal vent hole, and the oil spray hole is connected with an external oil supply system through an oil duct on the bearing shell 12. The outer side of the high-speed bearing 5 is provided with a labyrinth bush 4, the labyrinth bush 4 is arranged on the flywheel main shaft 1, the flywheel 6 and the flywheel main shaft 1 are integrally formed or connected in a hot-sleeved mode, and the torsion ring 7 is connected with the bearing shell 12 and used for measuring the braking torque of the power machine. The internal spline housing 9 that establishes of torque ring 7, spline housing 9 cover are on flywheel main shaft 1, and oil spout pipe 8 is installed on the upper portion of torque ring 7, is used for the lubrication of high-speed connection between spline housing 9 and the flywheel main shaft 1, and the spline housing 9 inner chamber is equipped with the several keys that cooperate with flywheel main shaft 1. The flywheel sleeve 11 and the bearing shell 12 are arranged on the base 13 to form a flywheel device base. A lubricating oil recovery port is formed in the side face of the bearing shell 12, and the oil drain pipe 10 is installed on the lower portion of the torsion ring 7 and used for collecting lubricating oil.

Claims

1. The utility model provides a novel high-speed flywheel test device which characterized in that: the flywheel spindle comprises a flywheel spindle (1), wherein the flywheel spindle (1) is connected with a bearing shell (12) through a high-speed bearing (5), one end of the bearing shell (12) is provided with an end cover (2), and the other end of the bearing shell is provided with a torsion ring (7); the oil seal sealing ring (3) and the labyrinth bush (4) are paired to form a pair and are packaged in the bearing shell (12), the labyrinth bush (4) is arranged on the outer side of the high-speed bearing (5), and the labyrinth bush (4) is installed on the flywheel main shaft (1); the flywheel (6) is connected with the flywheel spindle (1); a spline sleeve (9) is arranged in the torque ring (7), and the spline sleeve (9) is sleeved on the flywheel spindle (1); the oil injection pipe (8) is arranged in the torque ring (7) and is used for lubricating the high-speed connection between the spline sleeve (9) and the flywheel spindle (1); the flywheel sleeve (11) and the bearing shell (12) are arranged on the base (13); the oil drain pipe (10) is also arranged in the torsion ring (7).

2. A novel high speed flywheel testing apparatus as claimed in claim 1, wherein: the flywheel (6) and the flywheel spindle (1) are integrally formed or connected in a hot-sleeved mode.