CN112284729A - Noise testing device and testing method for electric locomotive reducer assembly - Google Patents
Noise testing device and testing method for electric locomotive reducer assembly Download PDFInfo
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- CN112284729A CN112284729A CN202011381590.9A CN202011381590A CN112284729A CN 112284729 A CN112284729 A CN 112284729A CN 202011381590 A CN202011381590 A CN 202011381590A CN 112284729 A CN112284729 A CN 112284729A
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- reducer assembly
- assembly
- axle housing
- seat
- speed reducer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention relates to a noise testing device and a testing method for a reducer assembly of an electric locomotive, which comprises a frame, wherein the frame is connected with a reducer connecting mechanism, a half-axle housing connecting mechanism and a load mechanism, the reducer connecting mechanism comprises a transmission mechanism, the transmission mechanism comprises a rotary seat and a motor connecting flange seat, the reducer assembly is tightly pressed on the rotary seat through a first driving air cylinder, the motor connecting flange seat is connected with a driving motor which is in driving connection with the reducer assembly, the half-axle housing connecting mechanism comprises a bridge shell, an oil filling port and an oil drain valve are connected to the upper part and the lower part of the bridge shell, two half axles penetrate through two sides of the bridge shell, the bridge shell is also connected with a second driving air cylinder, the load mechanism comprises a sliding shaft, two ends of the sliding shaft are respectively connected with a rotating shaft and a third driving air cylinder, a disc brake disc is connected on the rotating shaft, and a disc brake caliper is connected on the, the device is used for testing the noise generated when the speed reducer assembly operates, and is simple in test installation and operation.
Description
Technical Field
The invention relates to a noise test for a reducer assembly, in particular to a noise test device for a reducer assembly of an electric locomotive and a test method thereof.
Background
The electric motor car reduction gear is the important part of switching drive end motor and drive semi-axis, and the reduction gear during operation, gear looks mutual friction in the reduction gear can produce the noise, and the reduction gear production is accomplished the back, all need detect the reduction gear at differential, load, gliding noise, and the tradition test needs the test of getting on the bus, and the test installation is troublesome, the troublesome poeration.
Disclosure of Invention
The applicant carries out research and improvement aiming at the defects and provides a noise testing device and a testing method for a reducer assembly of an electric locomotive.
The technical scheme adopted by the invention is as follows:
a noise testing device for a reducer assembly of an electric locomotive comprises a frame, wherein a reducer connecting mechanism is connected to the frame, the reducer connecting mechanism comprises a transmission mechanism, the transmission mechanism comprises a rotary seat, the rotary seat is rotatably connected to a motor connecting flange seat, the reducer assembly is tightly pressed on the rotary seat through a first driving air cylinder, the motor connecting flange seat is connected with a driving motor, the driving end of the driving motor is connected with the reducer assembly, a half-axle housing connecting mechanism which is vertically arranged with the reducer connecting mechanism is connected to the frame, the half-axle housing connecting mechanism comprises a bridge shell body which is connected with the reducer assembly, an oil filling port and an oil drain valve are connected to the upper portion and the lower portion of the bridge shell body, two movable half axles penetrate through two sides of the bridge shell body, the bridge shell body is also connected with the driving end of a second driving air cylinder, and the frame is positioned on two sides of the half-axle housing, load mechanism includes the sliding shaft, the sliding shaft is close to semi-axis axle housing coupling mechanism one end and rotates the rotation axis of connecting and being used for connecting the semi-axis, the sliding shaft other end is connected with the drive end that the third drove actuating cylinder, connect the dish on the rotation axis and stop the dish, the cooperation dish is stopped the dish connect the dish on the sliding shaft and is stopped pincers.
As a further improvement of the above technical solution:
three connecting holes with different distances from the rotating center are respectively formed in the mounting surface of the rotating seat, and different speed reducer assemblies can be connected to the mounting surface of the rotating seat through the different connecting holes.
The bridge shell is connected with a longitudinal movement guide seat through a connecting seat, and the longitudinal movement guide seat penetrates through a longitudinal movement guide groove formed in the rack.
The sliding shaft penetrates through a transverse moving guide seat connected to the rack, the transverse moving guide seat comprises a guide sleeve allowing the sliding shaft to penetrate through, and the guide sleeve is connected to the rack through a base.
A noise testing method for a reducer assembly of an electric locomotive comprises the following steps:
1) the installation of the speed reducing assembly: the speed reducer assembly is pressed onto a rotating seat of the transmission mechanism through a driving end of a first driving air cylinder, the rotating seat can be rotated to adjust the orientation angle of the speed reducer assembly according to the required test condition, and the speed reducer assembly is connected with a driving end of a driving motor;
2) the half-axle housing connecting mechanism and the load mechanism are installed: the second driving cylinder drives the axle housing to approach the speed reducer assembly and is connected with the speed reducer assembly through a flange on the axle housing, then two half shafts are connected with a rotating shaft of the load mechanism, the driving end of the third driving cylinder drives the sliding shaft, the rotating shaft and the half shafts to move towards the speed reducer assembly, and the half shafts penetrate into the speed reducer assembly and are installed towards the axle housing, namely the installation of the half axle housing connecting mechanism and the load mechanism is completed, finally, lubricating oil is injected into the axle housing,
3) and (3) noise testing: a decibel meter is connected near the speed reducer assembly, the driving motor is matched with the speed reducer assembly to drive the half shaft and the rotating shaft to rotate, the disc brake disc is matched with the disc brake caliper to load the half shaft, and the noise conditions of the speed reducer assembly during differential speed, load and sliding can be respectively tested through the decibel meter.
As a further improvement of the above technical solution:
the decibel meter is installed in the 300mm position of reduction gear assembly top.
The invention has the following beneficial effects: the electric locomotive reducer assembly noise testing device and the testing method thereof are characterized in that the reducer assembly is firstly compressed to a rotating seat of a transmission mechanism and is connected with a driving motor, then a bridge shell is connected with the reducer assembly, a half shaft is connected with a rotating shaft of a load mechanism, the half shaft is driven to move through a sliding shaft, the half shaft is connected with the reducer assembly, finally lubricating oil is injected through an oil filling port, the load can be increased through the load mechanism, the differential speed, the load and the noise of the reducer assembly during sliding can be tested, the test can be completed only by one person, and the test installation and the operation are convenient.
Drawings
Fig. 1 is a schematic structural diagram of a noise testing device for a reducer assembly of an electric locomotive provided by the invention.
FIG. 2 is a schematic structural diagram of a transmission mechanism of the noise testing device for the reducer assembly of the electric locomotive provided by the invention.
FIG. 3 is a cross-sectional view of the transmission mechanism of the noise testing device for the reducer assembly of the electric locomotive provided by the invention.
FIG. 4 is a cross-sectional view of a load mechanism of the noise testing device for the reducer assembly of the electric locomotive provided by the invention.
FIG. 5 is a schematic view of the connection between the load mechanism and the guide seat of the noise testing device for the reducer assembly of the electric locomotive provided by the invention.
FIG. 6 is a schematic structural diagram of a bridge housing of the noise testing device for the reducer assembly of the electric locomotive provided by the invention.
FIG. 7 is a cross-sectional view of an axle housing of the noise testing apparatus for a reducer assembly of an electric locomotive provided in the present invention.
FIG. 8 is a schematic view of the connection between the axle housing and the reducer of the noise testing device of the reducer assembly of the electric locomotive provided by the present invention.
In the figure: 1. a frame; 11. longitudinally moving the guide slot; 2. a reducer connecting mechanism; 21. a transmission mechanism; 211. a rotating base; 212. the motor is connected with the flange seat; 22. a first driving cylinder; 23. a drive motor; 3. a reducer assembly; 4. a half axle housing connecting mechanism; 41. a bridge housing; 411. an oil filler; 412. an oil drain valve; 42. a half shaft; 43. a second driving cylinder; 44. longitudinally moving the guide seat; 5. a load mechanism; 51. a sliding shaft; 52. a rotating shaft; 521. a disc brake disc; 53. a third driving cylinder; 54. a disc brake caliper; 55. a transverse moving guide seat; 551. a guide sleeve; 552. a base.
Detailed Description
The following describes a specific embodiment of the present embodiment with reference to the drawings.
As shown in fig. 1 to 8, the noise testing apparatus for the reducer assembly of the electric locomotive according to the embodiment includes a frame 1, a reducer connecting mechanism 2 is connected to the frame 1, the reducer connecting mechanism 2 includes a transmission mechanism 21, the transmission mechanism 21 includes a rotary base 211, the rotary base 211 is rotatably connected to a motor connecting flange base 212, the reducer assembly 3 is pressed on the rotary base 211 through a first driving cylinder 22, three connecting holes having different distances from a rotation center are respectively formed on a mounting surface of the rotary base 211, different reducer assemblies 3 can be fixedly connected to the mounting surface of the rotary base 211 through different connecting holes, the motor connecting flange base 212 is connected to a driving motor 23, a driving end of the driving motor 23 is connected to the reducer assembly 3, a half-axle housing connecting mechanism 4 vertically arranged with the reducer connecting mechanism 2 is connected to the frame 1, the half-axle housing connecting mechanism 4 includes a axle housing 41 connected to the reducer assembly 3, the upper and lower parts of the axle housing 41 are connected with an oil filling port 411 and an oil drain valve 412, two movable half shafts 42 are penetrated on two sides of the axle housing 41, the axle housing 41 is connected with a longitudinal movement guide seat 44 through a connecting seat, the longitudinal movement guide seat 44 is penetrated in a longitudinal movement guide groove 11 arranged on the frame 1, the axle housing 41 is also connected with the driving end of a second driving air cylinder 43, the axle housing 41 can be driven to longitudinally move through the second driving air cylinder 43, the frame 1 is connected with a load mechanism 5 on two sides of a half axle housing connecting mechanism 4, the load mechanism 5 comprises a sliding shaft 51, the sliding shaft 51 is penetrated in a transverse movement guide seat 55 connected on the frame 1, the transverse movement guide seat 55 comprises a guide sleeve 551 allowing the sliding shaft 51 to penetrate, the guide sleeve 551 is connected with the frame 1 through a base 552, one end of the sliding shaft 51 close to the half axle housing connecting mechanism 4 is rotatably connected with a rotating shaft 52 used for connecting the half shaft 42, the rotating shaft 52 is connected with a disc brake disc 521, and the sliding shaft 51 matched with the disc brake disc 521 is connected with a disc brake caliper 54.
The noise testing method for the electric locomotive reducer assembly comprises the following steps of:
1) the installation of the speed reducing assembly: the reducer assembly 3 is pressed to the rotating seat 211 of the transmission mechanism 21 through the positioning seat on the driving end of the first driving cylinder 22 and can penetrate through the connecting hole to be fixedly connected with the rotating seat 211 through the connecting bolt, the reducer assembly 3 is connected with the driving end of the driving motor 23, the reducer assembly 3 is installed, the reducer assembly 3 can be driven to rotate by a certain angle by rotating the rotating seat 211, and the orientation of the reducer assembly 3 can be adjusted (the use states of the reducer assembly 3, such as the horizontal state and the upwarping 10 degrees, can be simulated);
2) the half-axle housing connecting mechanism and the load mechanism are installed: the second driving cylinder 43 drives the axle housing 41 to approach the speed reducer assembly 3, and is connected with the speed reducer assembly 3 through a flange on the axle housing 41, then two half shafts 42 are connected with a rotating shaft 52 of the load mechanism 5, the driving end of the third driving cylinder 53 drives a sliding shaft 51, the rotating shaft 52 and the half shafts 42 to move towards the speed reducer assembly 3, and the half shafts 42 penetrate into the speed reducer assembly 3 and are installed to the axle housing 41, namely the installation of the half axle housing connecting mechanism and the load mechanism is completed, finally, lubricating oil is injected into the axle housing 41,
3) and (3) noise testing: the decibel meter is connected to the position 300mm above the speed reducer assembly 3, the driving motor 23 is matched with the speed reducer assembly 3 to drive the half shaft 42 and the rotating shaft 52 to rotate, the disc brake disc 521 is matched with the disc brake caliper 54 to load the half shaft 42, the noise conditions of the speed reducer assembly 3 during differential speed, load and sliding can be respectively tested through the decibel meter, after the test is completed, lubricating oil is emptied through the oil drain valve 412, and all the parts are detached and reset.
The foregoing description is illustrative of the present invention and is not to be construed as limiting thereof, the scope of the invention being defined by the appended claims, which may be modified in any manner without departing from the basic structure thereof.
Claims (6)
1. The utility model provides an electric locomotive reduction gear assembly noise testing arrangement which characterized in that: including frame (1), connect reduction gear coupling mechanism (2) on frame (1), reduction gear coupling mechanism (2) includes drive mechanism (21), drive mechanism (21) are including roating seat (211), roating seat (211) rotate to be connected on motor flange seat (212), and reduction gear assembly (3) compress tightly on roating seat (211) through first driving cylinder (22), driving motor (23) are connected to motor flange seat (212), reduction gear assembly (3) are connected to the drive end of driving motor (23), connect half-axle housing coupling mechanism (4) with reduction gear coupling mechanism (2) vertical arrangement on frame (1), half-axle housing coupling mechanism (4) include axle housing (41) of being connected with reduction gear assembly (3), oil filler hole (411) and oil drain valve (412) are connected from top to bottom to axle housing (41), two mobilizable semi-axles (42) have been worn to axle casing (41) both sides, axle casing (41) still are connected with the drive end that the second drove actuating cylinder (43), frame (1) is located semi-axle case coupling mechanism (4) both sides and all connects load mechanism (5), load mechanism (5) are including sliding shaft (51), sliding shaft (51) are close to semi-axle case coupling mechanism (4) one end and rotate and connect rotation axis (52) that are used for connecting semi-axle (42), the sliding shaft (51) other end is connected with the drive end that the third drove actuating cylinder (53), connect dish brake dish (521) on rotation axis (52), cooperation dish brake dish (521) connect dish brake pincers (54) on sliding shaft (51).
2. The electric locomotive retarder assembly noise testing device of claim 1, wherein: three connecting holes with different distances from the rotating center are respectively formed in the mounting surface of the rotating seat (211), and different speed reducer assemblies (3) can be connected to the mounting surface of the rotating seat (211) through the different connecting holes.
3. The electric locomotive retarder assembly noise testing device of claim 1, wherein: the bridge shell (41) is connected with a longitudinal movement guide seat (44) through a connecting seat, and the longitudinal movement guide seat (44) penetrates through a longitudinal movement guide groove (11) formed in the rack (1).
4. The electric locomotive retarder assembly noise testing device of claim 1, wherein: the sliding shaft (51) penetrates through a transverse moving guide seat (55) connected to the rack (1), the transverse moving guide seat (55) comprises a guide sleeve (551) allowing the sliding shaft (51) to penetrate through, and the guide sleeve (551) is connected to the rack (1) through a base (552).
5. A noise testing method for a reducer assembly of an electric locomotive comprises the following steps:
1) the installation of the speed reducing assembly: the speed reducer assembly (3) is pressed onto a rotating seat (211) of the transmission mechanism (21) through the driving end of a first driving air cylinder (22), the rotating seat (211) can be rotated to adjust the orientation angle of the speed reducer assembly (3) according to the required test condition, and the speed reducer assembly (3) is connected with the driving end of a driving motor (23);
2) the half-axle housing connecting mechanism and the load mechanism are installed: the second driving cylinder (43) drives the axle housing (41) to be close to the speed reducer assembly (3), the axle housing is connected with the speed reducer assembly (3) through a flange on the axle housing (41), then two half shafts (42) are connected with a rotating shaft (52) of the load mechanism (5), the driving end of the third driving cylinder (53) drives a sliding shaft (51), the rotating shaft (52) and the half shafts (42) to move towards the speed reducer assembly (3), the half shafts (42) penetrate into the speed reducer assembly (3) and drive the axle housing (41), namely the installation of the half axle housing connecting mechanism and the load mechanism is completed, finally, lubricating oil is injected into the axle housing (41),
3) and (3) noise testing: a decibel meter is connected near the speed reducer assembly (3), the driving motor (23) is matched with the speed reducer assembly (3) to drive the half shaft (42) and the rotating shaft (52) to rotate, the disc brake disc (521) is matched with the disc brake caliper (54) to load the half shaft (42), and the noise conditions of the speed reducer assembly (3) during differential speed, load and sliding can be respectively tested through the decibel meter.
6. The electric locomotive retarder assembly noise testing method of claim 5, wherein: the decibel meter is arranged at the position 300mm above the speed reducer assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011381590.9A CN112284729A (en) | 2020-12-01 | 2020-12-01 | Noise testing device and testing method for electric locomotive reducer assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011381590.9A CN112284729A (en) | 2020-12-01 | 2020-12-01 | Noise testing device and testing method for electric locomotive reducer assembly |
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| Publication Number | Publication Date |
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| CN112284729A true CN112284729A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011381590.9A Pending CN112284729A (en) | 2020-12-01 | 2020-12-01 | Noise testing device and testing method for electric locomotive reducer assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116413028A (en) * | 2023-06-09 | 2023-07-11 | 河南省瑞歌传动机械有限公司 | Noise testing device for speed reducer |
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2020
- 2020-12-01 CN CN202011381590.9A patent/CN112284729A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116413028A (en) * | 2023-06-09 | 2023-07-11 | 河南省瑞歌传动机械有限公司 | Noise testing device for speed reducer |
| CN116413028B (en) * | 2023-06-09 | 2023-08-29 | 河南省瑞歌传动机械有限公司 | Noise testing device for speed reducer |
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