CN219104175U

CN219104175U - Turbocharger noise testing machine

Info

Publication number: CN219104175U
Application number: CN202223601861.4U
Authority: CN
Inventors: 张家魁; 郑子文; 张永杰; 杨霞; 齐效强; 孔岩; 孙晓敏; 张为海; 王雪华
Original assignee: Weifang Fuyuan Turbochargers Co ltd
Current assignee: Weifang Fuyuan Turbochargers Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-05-30
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses a turbocharger noise testing machine which is positioned in a shell, wherein a turbine shell air outlet sealing mechanism for sealing a turbine shell air outlet of a turbocharger, a turbine shell air inlet sealing mechanism for sealing a turbine shell air inlet, a middle shell oil inlet sealing mechanism for sealing a middle shell oil inlet, a middle shell oil return hole sealing mechanism for sealing a middle shell oil return hole, a compressor air inlet sealing mechanism for sealing a compressor air inlet and a compressor air outlet sealing mechanism for sealing a compressor air outlet are arranged on a rack. When the testing machine is used for testing the noise of the turbocharger, the turbocharger is driven to move only by introducing compressed air, the air flow of the turbocharger during actual operation is simulated, and due to the use of the shell, the noise actually generated by the turbocharger is collected in the closed space, so that the noise of the turbocharger can be accurately detected, and the detection efficiency can be improved.

Description

Turbocharger noise testing machine

Technical Field

The utility model relates to the technical field of turbocharger production and manufacturing, in particular to a turbocharger noise testing machine.

Background

The turbocharger drives the turbine to rotate through the exhaust of the engine, and drives the compressor to operate through the turbine shaft, so that the purpose of supercharging is achieved. The amount of noise generated by a turbocharger during operation is an important indicator of turbocharger performance.

At present, in the prior art, a noise sensor is placed on a test bench of the turbocharger to detect the turbocharger, and in the detection process, the noise is noisy, and the noise information of the pure turbocharger cannot be extracted, so that the noise detection of the turbocharger is inaccurate.

Disclosure of Invention

In order to overcome the defects, the technical problem solved by the utility model is to provide the turbocharger noise testing machine, which can accurately detect the noise of the turbocharger and can improve the detection efficiency.

In order to solve the technical problems, the turbocharger noise testing machine comprises a frame and a shell arranged on the frame, wherein the shell is positioned in the shell, and a turbine shell air outlet sealing mechanism for sealing a turbine shell air outlet of a turbocharger, a turbine shell air inlet sealing mechanism for sealing a turbine shell air inlet of the turbocharger, a middle shell oil inlet sealing mechanism for sealing a middle shell oil inlet of the turbocharger, a middle shell oil return hole sealing mechanism for sealing a middle shell oil return hole of the turbocharger, a compressor air inlet sealing mechanism for sealing a compressor air inlet of the turbocharger and a compressor air outlet sealing mechanism for sealing a compressor air outlet of the turbocharger are arranged on the frame.

Further, the turbine shell gas outlet sealing mechanism comprises a support A, a support plate A is arranged on the support A, a cylinder A is arranged on the support A, a sealing hole plug A is connected to the action end of the cylinder A through an intermediate connecting piece A, the sealing hole plug A is slidably connected to a sliding rail A, and the sliding rail A is fixedly connected to the support plate A.

Further, the sealing hole plug A is connected with a connecting pipe A, and the connecting pipe A is connected with an exhaust pipe A.

Further, the turbine shell air inlet sealing mechanism comprises a support B, wherein a first corner cylinder and a second corner cylinder are oppositely arranged on the support B, a positioning seat is further arranged on the support B, and the positioning seat is located between the first corner cylinder and the second corner cylinder.

Further, the middle shell oil inlet sealing mechanism comprises a support C, an air cylinder B is vertically arranged on the support C, a pressure head is arranged at the lower end part of the action end of the air cylinder B, a sliding rail B is further vertically arranged on the support C, and the pressure head moves up and down along the sliding rail B under the action of the air cylinder B.

Further, a sealing gasket A is arranged at the lower end part of the pressure head.

Further, the middle shell oil return hole sealing mechanism comprises a bottom plate, an air cylinder C is vertically arranged on the bottom plate, a supporting plate B is further arranged on the bottom plate, the supporting plate B is arranged above the air cylinder C, the supporting plate B moves up and down under the action of an action end of the air cylinder C, a sealing plate is arranged above the supporting plate B, and a sealing pad B is arranged on the upper surface of the sealing plate.

Further, the supporting plate B is connected to the bottom plate through a supporting column, a buffer spring is sleeved on the supporting column, the supporting plate B is slidably arranged on the supporting column, and the supporting plate B is located above the buffer spring.

Further, the air inlet sealing mechanism of the air compressor comprises a support D, a support plate C is arranged on the support D, an air cylinder D is arranged on the support plate C, the air cylinder D is connected with a sealing seat through an intermediate connecting piece B, a sealing gasket C is arranged on the sealing seat, and the sealing seat is further connected with an exhaust pipe B through a connecting pipe B.

Further, the gas outlet sealing mechanism of the gas compressor comprises a support E, a cylinder E is arranged on the support E, a sealing hole plug B is connected to the action end of the cylinder E through a middle connecting piece C, and a sealing gasket D is further arranged on the sealing hole plug B.

After the technical scheme is adopted, the turbocharger noise testing machine comprises a frame and a shell arranged on the frame, wherein the shell is positioned in the shell, and the frame is provided with a turbine shell air outlet sealing mechanism for sealing an air outlet of a turbine shell of the turbocharger, a turbine shell air inlet sealing mechanism for sealing an air inlet of the turbine shell of the turbocharger, a middle shell oil inlet sealing mechanism for sealing an oil inlet of a middle shell of the turbocharger, a middle shell oil return hole sealing mechanism for sealing an oil return hole of the middle shell of the turbocharger, a compressor air inlet sealing mechanism for sealing an air inlet of a compressor of the turbocharger and a compressor air outlet sealing mechanism for sealing an air outlet of the compressor of the turbocharger. When the turbocharger noise testing machine is used for carrying out noise testing on the turbocharger, the turbocharger is driven to move only by introducing compressed air, the air flow of the turbocharger during actual operation is simulated, and due to the use of the shell, the noise actually generated by the turbocharger is collected in a closed space, so that the noise of the turbocharger can be accurately detected, and the detection efficiency can be improved.

Drawings

FIG. 1 is a schematic diagram of a turbocharger noise tester of the present utility model;

FIG. 2 is a schematic diagram of the turbocharger noise tester (with the housing removed) of the present utility model;

FIG. 3 is an enlarged schematic illustration of the turbine shell outlet seal mechanism of FIG. 2;

FIG. 4 is an enlarged schematic view of the turbine case inlet seal mechanism of FIG. 2;

FIG. 5 is an enlarged schematic view of the intermediate housing oil inlet seal arrangement of FIG. 2;

FIG. 6 is a left side view of FIG. 5;

FIG. 7 is an enlarged schematic view of the intermediate housing oil gallery sealing mechanism of FIG. 2;

FIG. 8 is a left side view of FIG. 7;

FIG. 9 is an enlarged schematic view of the compressor inlet seal mechanism of FIG. 2;

fig. 10 is an enlarged schematic view of the compressor outlet seal mechanism of fig. 2;

FIG. 11 is a schematic view of the structure of the turbocharger noise testing machine of the present utility model in use;

in the figure: 1. a frame; 2. a turbine shell air outlet sealing mechanism; 21. a bracket A; 22. a support plate A; 23. a cylinder A; 24. an intermediate connecting piece A; 25. sealing the hole block A; 26. a connecting pipe A; 27. an exhaust pipe A; 28. a sliding rail A; 3. a turbine housing inlet seal mechanism; 31. a bracket B; 32. a first corner cylinder; 33. a second corner cylinder; 34. a positioning seat; 4. an intermediate shell oil inlet sealing mechanism; 41. a bracket C; 42. a cylinder B; 43. a sliding rail B; 44. a pressure head; 45. a sealing gasket A; 5. an oil return hole sealing mechanism of the middle shell; 51. a bottom plate; 52. a cylinder C; 53. a top block; 54. a support column; 55. a buffer spring; 56. a support plate B; 57. a sealing plate; 58. a sealing gasket B; 6. an air inlet sealing mechanism of the air compressor; 61. a bracket D; 62. a support plate C; 63. a cylinder D; 64. an intermediate connecting piece B; 65. a sealing seat; 66. a sealing gasket C; 67. a connecting pipe B; 68. an exhaust pipe B; 7. the air outlet sealing mechanism of the air compressor; 71. a bracket E; 72. a cylinder E; 73. an intermediate connecting member C; 74. sealing the hole block B; 75. a sealing gasket D; 8. a housing; 9. a turbocharger.

Detailed Description

The utility model will be further described with reference to the drawings and examples.

As shown in fig. 1 and 2 together, the turbocharger noise testing machine comprises a frame 1 and a housing 8 arranged on the frame 1, and is positioned in the housing 8, wherein a turbine housing air outlet sealing mechanism 2 for sealing a turbine housing air outlet of a turbocharger 9, a turbine housing air inlet sealing mechanism 3 for sealing a turbine housing air inlet of the turbocharger 9, an intermediate housing oil inlet sealing mechanism 4 for sealing an intermediate housing oil inlet of the turbocharger 9, an intermediate housing oil return hole sealing mechanism 5 for sealing an intermediate housing oil return hole of the turbocharger 9, a compressor air inlet sealing mechanism 6 for sealing a compressor air inlet of the turbocharger 9, and a compressor air outlet sealing mechanism 7 for sealing a compressor air outlet of the turbocharger 9 are arranged on the frame 1.

Referring to fig. 2 and 3 together, the turbine shell air outlet sealing mechanism 2 includes a support a 21, the support a 21 is fixedly connected to the frame 1, a support plate a 22 is provided on the support a 21, an air cylinder a 23 is transversely provided on the support plate a 22, an action end of the air cylinder a 23 is connected with a sealing hole plug a 25 through an intermediate connecting piece a 24, the sealing hole plug a 25 is slidably connected to a slide rail a 28, and the slide rail a 28 is fixedly connected to the support plate a 22.

Preferably, the sealing hole plug A28 is connected with a connecting pipe A26, the connecting pipe A26 is connected with an exhaust pipe A27, the free end of the exhaust pipe A27 is communicated with the outside of the shell 8, and gas is discharged to the outside of the shell 8, so that the influence on noise testing is reduced.

As shown in fig. 2 and 4, the turbine housing air inlet sealing mechanism 3 includes a bracket B31, the bracket B31 is fixedly connected to the frame 1, a first corner cylinder 32 and a second corner cylinder 33 are relatively disposed on the bracket B31, a positioning seat 34 is further disposed on the bracket B31, and the positioning seat 34 is located between the first corner cylinder 32 and the second corner cylinder 33.

As shown in fig. 2, 5 and 6 together, the middle shell oil inlet sealing mechanism 4 comprises a support C41, the support C41 is fixedly connected to the frame 1, an air cylinder B42 is vertically arranged on the support C41, a pressure head 44 is arranged at the lower end of the action end of the air cylinder B42, a sliding rail B43 is also vertically arranged on the support C41, and the pressure head 44 moves up and down along the sliding rail B43 under the action of the air cylinder B42.

Preferably, a gasket a 45 is provided at the lower end of the ram 44.

As shown in fig. 2, 7 and 8 together, the middle shell oil return hole sealing mechanism 5 comprises a bottom plate 51, the bottom plate 51 is fixedly connected to the frame 1, a cylinder C52 is vertically arranged on the bottom plate 51, a support plate B56 is further arranged on the bottom plate 51, the support plate B56 is arranged above the cylinder C52, the support plate B56 moves up and down under the action of the action end of the cylinder C52, a sealing plate 57 is arranged above the support plate B56, and a sealing pad B58 is arranged on the upper surface of the sealing plate 57.

Preferably, the support plate B56 is connected to the bottom plate 51 through the support column 54, the support column 54 is sleeved with the buffer spring 55, the support plate B56 is slidably disposed on the support column 54, and the support plate B56 is located above the buffer spring 55.

As shown in conjunction with fig. 2 and 9, the compressor air inlet sealing mechanism 6 includes a support D61, the support D61 is fixedly connected to the frame 1, a support plate C62 is provided on the support D61, an air cylinder D63 is transversely provided on the support plate C62, the air cylinder D63 is connected with a sealing seat 65 through an intermediate connecting member B64, a sealing gasket C66 is provided on the sealing seat 65, and the sealing seat 65 is further connected with an exhaust pipe B68 through a connecting pipe B67. The free end of the exhaust pipe B68 is communicated with the outside of the shell 8, and gas is discharged to the outside of the shell 8 through the exhaust pipe B68, so that the influence of the testing machine on noise testing is reduced.

As shown in fig. 2 and 10 together, the compressor air outlet sealing mechanism 7 includes a bracket E71, the bracket E71 is fixedly connected to the frame 1, a cylinder E72 is disposed on the bracket E71, an action end of the cylinder E72 is connected to a sealing hole plug B74 through an intermediate connector C73, and a sealing gasket D75 is further disposed on the sealing hole plug B74.

The following is a detailed description of the process of testing the noise of the turbocharger 9 using the turbocharger noise testing machine of the present utility model:

referring to fig. 11, the intermediate shell oil return flange of the turbocharger 9 is used as an initial positioning reference, the turbocharger 9 is placed on the positioning seat 34 of the turbine shell air inlet sealing mechanism 3, and the screw holes of the vortex-in flange are clamped into the positioning pins. The first corner cylinder 32 and the second corner cylinder 33 of the turbine shell air inlet sealing mechanism 3 act to compress the vortex-in flange.

Then, the intermediate shell oil inlet seal mechanism 4 is actuated, and the cylinder B42 of the intermediate shell oil inlet seal mechanism 4 is moved downward to lock the turbocharger 9.

The cylinder E72 of the air outlet sealing mechanism 7 of the air compressor starts to move upwards to seal the outlet of the air compressor.

The cylinder D63 of the compressor air inlet sealing mechanism 6 acts to seal the compressor air inlet.

Finally, compressed air is introduced from the turbine housing inlet to simulate the operation of the turbocharger 9, collect noise and analyze the noise.

Technical features (such as a bracket a, a support plate a, a cylinder a, an intermediate connecting member a, a sealing hole stopper a, a connecting pipe a, an exhaust pipe a, a slide rail a, a bracket B, a first corner cylinder, a second corner cylinder, a bracket C, a cylinder B, a slide rail B, a gasket a, a cylinder C, a support plate B, a gasket B, a bracket D, a support plate C, a cylinder D, an intermediate connecting member B, a gasket C, a connecting pipe B, an exhaust pipe B, a bracket E, a cylinder E, an intermediate connecting member C, a sealing hole stopper B, a gasket D, etc.) with serial numbers are referred to in this specification, and are merely for distinguishing each technical feature, and do not represent a positional relationship, an installation sequence, a working sequence, etc. between each technical feature.

In the description of the present specification, it should be understood that the orientation or positional relationship described with respect to the "housing," "base plate," etc. is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description and simplification of the description, and is not indicative or implying that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

The present utility model is not limited to the above-described specific embodiments, and various modifications are possible within the scope of the present utility model without inventive work by those skilled in the art from the above-described concepts.

Claims

1. The utility model provides a turbo charger noise test machine, includes the frame and set up in shell in the frame, its characterized in that is located inside the shell, be provided with in the frame and be used for sealing the turbine shell gas outlet sealing mechanism of the turbine shell gas outlet of turbo charger, be used for sealing the turbine shell gas inlet sealing mechanism of the turbine shell gas inlet of turbo charger, be used for sealing the middle shell oil inlet sealing mechanism of the middle shell oil inlet of turbo charger, be used for sealing the middle shell oil return hole sealing mechanism of the middle shell oil return hole of turbo charger, be used for sealing the compressor gas inlet sealing mechanism of the compressor gas inlet of turbo charger, and be used for sealing the compressor gas outlet sealing mechanism of the compressor gas outlet of turbo charger.

2. The turbocharger noise testing machine of claim 1, wherein the turbine housing air outlet sealing mechanism comprises a support a, a support plate a is arranged on the support a, an air cylinder a is arranged on the support plate a, the action end of the air cylinder a is connected with a sealing hole plug a through an intermediate connecting piece a, the sealing hole plug a is slidably connected to a sliding rail a, and the sliding rail a is fixedly connected to the support plate a.

3. The turbocharger noise tester according to claim 2, wherein the sealing hole plug a is connected with a connection pipe a, and the connection pipe a is connected with an exhaust pipe a.

4. The turbocharger noise testing machine of claim 1, wherein the turbine housing inlet seal mechanism comprises a bracket B, a first corner cylinder and a second corner cylinder are oppositely arranged on the bracket B, and a positioning seat is further arranged on the bracket B and is located between the first corner cylinder and the second corner cylinder.

5. The turbocharger noise testing machine of claim 1, wherein the middle shell oil inlet sealing mechanism comprises a bracket C, a cylinder B is vertically arranged on the bracket C, a pressure head is arranged at the lower end part of the action end of the cylinder B, a sliding rail B is also vertically arranged on the bracket C, and the pressure head moves up and down along the sliding rail B under the action of the cylinder B.

6. The turbocharger noise tester according to claim 5, wherein a seal a is provided at a lower end portion of the ram.

7. The turbocharger noise testing machine according to claim 1, wherein the intermediate casing oil return hole sealing mechanism comprises a bottom plate, a cylinder C is vertically arranged on the bottom plate, a support plate B is further arranged on the bottom plate, the support plate B is arranged above the cylinder C, the support plate B moves up and down under the action of an action end of the cylinder C, a sealing plate is arranged above the support plate B, and a sealing pad B is arranged on the upper surface of the sealing plate.

8. The turbocharger noise testing machine of claim 7, wherein the support plate B is connected to the base plate via a support column, a buffer spring is sleeved on the support column, the support plate B is slidably disposed on the support column, and the support plate B is located above the buffer spring.

9. The turbocharger noise testing machine according to claim 1, wherein the compressor air inlet sealing mechanism comprises a bracket D, a support plate C is provided on the bracket D, an air cylinder D is provided on the support plate C, the air cylinder D is connected with a sealing seat through an intermediate connecting piece B, a sealing gasket C is provided on the sealing seat, and the sealing seat is further connected with an exhaust pipe B through a connecting pipe B.

10. The turbocharger noise testing machine of claim 1, wherein the compressor air outlet sealing mechanism comprises a bracket E, an air cylinder E is arranged on the bracket E, an action end of the air cylinder E is connected with a sealing hole plug B through an intermediate connecting piece C, and a sealing gasket D is further arranged on the sealing hole plug B.