Oil resistance test tool for generator

Abstract

The utility model discloses a generator oil resistance test tool, and belongs to the technical field of generator oil resistance. Comprising a shaft sleeve, a coupling, a flange plate, a graphite ring and an O-shaped sealing ring. According to the utility model, the output shaft of the motor is connected with the coupling, the spigot is connected with the flange plate, the flange plate is fixed through the hoop, and the oil inlet hole of the shaft sleeve faces upwards and is connected with the oil inlet device, so that when the motor rotates at the beginning of a test, the oil inlet device is adjusted to continuously feed oil into the output shaft end of the motor; and the graphite ring on the inner side can achieve a dynamic sealing effect, so that the actual oil leakage state of the generator on the engine can be completely simulated, and the service life of the test bench can be prevented from being shortened due to oil feeding into the test bench. According to the utility model, the actual oil leakage working state of the motor on an engine can be completely simulated, so that the effectiveness of an oil discharge hole of the motor and the effectiveness of a sealing structure are checked, the structure is simple and convenient, and the engineering practical value is good.

Description

TECHNICAL FIELD

[0001] The utility model discloses a generator oil resistance test frock belongs to generator oil resistance technical field. BACKGROUND

[0002] When the aero-generator is applied on the airplane, the output shaft is connected with the engine main reducer, if the main reducer sealing bowl fails, the aero-lubricating oil often enters the motor interior through the motor output shaft, causes the bearing damage, even the motor disintegration, brings the irreversible damage to the motor. SUMMARY

[0003] The utility model discloses a generator oil resistance test frock belongs to generator oil resistance technical field.

[0004] The utility model provides a kind of aero-generator oil resistance test frock, can continuously drip oil when motor normal acceptance test, check the effectiveness of motor oil drain hole and the effectiveness of sealing structure, improve product factory quality.

[0005] The utility model discloses a generator oil resistance test frock belongs to generator oil resistance technical field.

[0006] A kind of generator oil resistance test frock, including shaft sleeve 1, shaft coupling 2, flange plate 3, graphite ring 4, O type sealing ring a 5, O type sealing ring b 6;The shaft sleeve 1 is circular ring, and two sealing grooves are arranged on the radial outside, two O type sealing rings a 5 are installed in two sealing grooves, are connected with flange plate 3 by installing O type sealing ring a 5 statically, the flange plate 3 is sleeved on the shaft sleeve 1, the outer ring of the graphite ring 4 is matched with the shaft sleeve 1 by O type sealing ring a 6, and the inner ring is matched with the shaft coupling 2.

[0007] Further, the shaft sleeve 1 is provided with an oil inlet inclined hole in the radial direction.

[0008] Further, the shaft sleeve 1 is provided with an annular groove at one end of the radial inner side to simulate an engine, and an axial shoulder is provided at the other end, and the axial shoulder is connected with the graphite ring 4 through the O type sealing ring a 6.

[0009] Further, the shaft coupling 2 is provided with a spline hole connected with the motor output shaft at one end, and is provided with a spline hole connected with the test bench at the other end, the test bench is connected with two threaded holes arranged in the radial direction at one end, and is fastened and connected with the test bench output shaft through screws.

[0010] Further, the shaft coupling 2 is provided with an axial shoulder at one end connected with the motor, the graphite ring 4 is installed, and the axial shoulder to the spline hole section is provided as an inclined surface.

[0011] Further, the graphite ring 4 is provided with a sealing groove at the outer ring, and the O type sealing ring a 6 is installed to be connected and fixed with the shaft sleeve 1.

[0012] Further, the flange plate 3 is provided with a stop and an inclined surface at one end, and is connected with the test table through a clamp, and is provided with a stop and an inclined surface at the other end, and is connected with the motor shell through a clamp, so that the motor is fixed on the test table.

[0013] Further, the flange plate 3 is provided with a stop and an inclined surface at one end, and is connected with the test table through a clamp, and is provided with a stop and an inclined surface at the other end, and is connected with the motor shell through a clamp, so that the motor is fixed on the test table.

[0014] Further, the flange plate 3 is provided with a stop and an inclined surface at one end, and is connected with the test table through a clamp, and is provided with a stop and an inclined surface at the other end, and is connected with the motor shell through a clamp, so that the motor is fixed on the test table.

[0015] The beneficial effects of the utility model are:

[0016] The utility model provides an aero-generator oil resistance test tool, can completely simulate the working condition of motor on the engine actual oil leakage, thereby check the effectiveness of motor oil discharge hole and the effectiveness of sealing structure, simple structure is convenient, has good engineering practical value. BRIEF DESCRIPTION OF DRAWINGS

[0017] When reading with the aid of the drawings, the exemplary examples and the preferred use mode are best understood by referring to the following detailed description of the utility model examples, other purposes and its description, wherein:

[0018] Figure 1 The utility model structure schematic section view;

[0019] Figure 2 The utility model axle sleeve 1 inlet hole schematic diagram;

[0020] Figure 3 The utility model coupling 2 section view, A-A direction section view and B-B direction section view;

[0021] Figure 4 The utility model graphite ring 4 section view;

[0022] Wherein, 1-axle sleeve, 2-coupling, 3-flange plate, 4-graphite ring, 5-O type sealing ring a, 6-O type sealing ring b. DETAILED DESCRIPTION

[0023] The disclosed examples are described more fully below, with reference to the accompanying drawings, in which some, but not all of the disclosed examples are illustrated. Indeed, a wide variety of examples can be described and many are schematically depicted in the drawings. It should be understood that these examples are merely exemplary and should not be considered as limiting the scope of the disclosure to these specific examples. Rather, the examples are described so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0024] The utility model provides an oil test frock of generator, including shaft sleeve 1, shaft coupling 2, flange plate 3, graphite ring 4, O type sealing ring a 5, O type sealing ring b 6, the shaft sleeve 1 is circular ring, and two sealing grooves are arranged on the radial outside, and two O type sealing rings a 5 are installed in two sealing grooves, and through the installation O type sealing ring a 5 with flange plate 3 static connection, the flange plate 3 is sleeved on the shaft sleeve 1, the outer ring of graphite ring 4 is matched with the shaft sleeve 1 through O type sealing ring a 6, and the inner ring is matched with the shaft coupling 2.

[0025] Further, the shaft sleeve 1 is provided with an oil inlet inclined hole in the radial direction, which simulates the dynamic position of engine oil inlet in actual motor operation. This design is simple in structure and can accurately test the motor oil inlet and outlet conditions, greatly reducing the test cost.

[0026] The shaft sleeve 1 is provided with an annular groove at one end of the inner side in the radial direction to simulate the engine, so that the test effect completely simulates the actual working state. The other end is provided with a shaft shoulder connected with the graphite ring 4 through the O type sealing ring a 6, which can realize axial sealing and prevent oil from entering the test bed during the test process.

[0027] Further, the shaft coupling 2 is provided with a spline hole connected with the motor output shaft at one end and a spline hole connected with the test bed at the other end, which can realize effective connection of the motor and the test bed. Two threaded holes are provided in the radial direction at the end connected with the test bed, and the threaded holes are fastened and connected with the output shaft of the test bed through screws.

[0028] Further, the shaft coupling 2 is provided with a shaft shoulder at the end connected with the motor, which installs the graphite ring 4 to realize dynamic sealing during the test process. The shaft shoulder to the spline hole section is provided with an inclined surface, which can prevent dynamic interference with the shaft sleeve and reduce the weight of the shaft coupling. This design is convenient for the axial oil inlet of the motor and the axial sealing of the test bed.

[0029] Further, the graphite ring 4 mainly plays a sealing role. The outer ring is provided with a sealing groove, and the O type sealing ring a 6 is installed to connect and fix the shaft sleeve 1. The inner ring is matched with the shaft coupling 2, and the axial sealing is realized through dynamic friction during work. This design is simple in structure and can prevent oil from entering the test bed.

[0030] Further, the flange plate 3 is provided with a stop and an inclined surface at one end, which is connected with the test bed through a clamp. The other end is provided with a stop and an inclined surface, which is connected with the motor shell through a clamp to fix the motor on the test bed.

[0031] Further, the flange plate 3 is provided with two small holes on the circumferential surface, which are fastened and connected with the shaft sleeve 1 through a jack screw.

[0032] Further, the flange plate 3 is further provided with four rectangular windows in the circumferential direction, which can inject oil into the oil inlet hole of the shaft sleeve 1 and observe, and also can reduce the weight of the flange plate and increase the connection reliability.

[0033] Use method: when the generator oil test is carried out, first install the O-shaped sealing ring b6 in the sealing groove of the outer ring of the graphite ring 4, then place the graphite ring in the hole end of the shaft sleeve 1, then install the shaft sleeve 1 into the oil hole of the flange plate 3 upwards, and realize sealing through the O-shaped sealing ring a5. Then the coupling 2 is matched with the test bench output shaft through the large spline end, and the test bench output shaft is fixed by installing the screw. Then the flange plate 3 is connected with the test bench through the clamp oil hole of the large end, and the motor is fixed through the small end spline of the coupling 2, the small end of the flange plate 3 and the clamp. The oil inlet hole of the shaft sleeve 2 is connected with the oil inlet device upwards, and the oil inlet hole is simulated to continuously inject oil into the motor output shaft end, so as to realize the test purpose of simulating the working oil inlet of the motor on the engine.

Claims

1. An oil resistance test jig for a generator characterized by, Including the shaft sleeve (1), the coupling (2), the flange plate (3), the graphite ring (4), the O-shaped sealing ring a (5), the O-shaped sealing ring b (6);The shaft sleeve (1) is circular, and two sealing grooves are arranged on the radial outer side, two O-shaped sealing rings a (5) are installed in the two sealing grooves, and the O-shaped sealing ring a (5) is connected with the flange plate (3) by static connection, the flange plate (3) is sleeved on the shaft sleeve (1), the outer ring of the graphite ring (4) is matched with the shaft sleeve (1) through the O-shaped sealing ring b (6), and the inner ring is matched with the coupling (2).

2. The oil resistance test tooling for a generator as set forth in claim 1, wherein, The shaft sleeve (1) is provided with an oil inlet inclined hole in the radial direction.

3. The oil resistance test tooling for a generator as set forth in claim 1, wherein, The shaft sleeve (1) is provided with an annular groove at one end of the radial inner side, and the other end is provided with a shaft shoulder, which is connected with the graphite ring (4) through the O-shaped sealing ring b The coupling (2) is provided with a spline hole connected with the motor output shaft at one end, and is provided with a spline hole connected with the test bench at the other end, and the test bench connecting end is provided with two threaded holes in the radial direction, and is fastened and connected with the test bench output shaft through screws.

4. The oil resistance test fixture for a generator as set forth in claim 1, wherein The coupling (2) is provided with a shaft shoulder at one end connected with the motor, and the graphite ring (4) is installed, and the shaft shoulder to the spline hole section is provided as an inclined surface.

5. The oil resistance test fixture for a generator as set forth in claim 1, wherein The outer ring of the graphite ring (4) is provided with a sealing groove, and the O-shaped sealing ring b (6) is installed and connected with the shaft sleeve (1).

6. The oil resistance test fixture for a generator as set forth in claim 1, wherein One end of the flange plate (3) is provided with a stop and an inclined surface, which is connected with the test bench through a clamp, and the other end is provided with a stop and an inclined surface, which is connected with the motor shell through a clamp, so that the motor is fixed on the test bench.

7. The oil resistance test fixture for a generator as set forth in claim 1, wherein Two holes are arranged on the circumferential surface of the flange plate (3), and the fastening connection with the shaft sleeve (1) is realized through the jack screw.

8. The oil resistance test fixture for a generator as set forth in claim 1, wherein The flange plate (3) is further provided with four rectangular windows in the circumferential direction.

9. The oil resistance test fixture for a generator as set forth in claim 1, wherein ​

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