Combined test bracket for testing noise of engine fan bracket

Abstract

The utility model relates to the field of fan support noise testing, in particular to a combined type testing bracket for testing engine fan support noise, which comprises two threaded rods I and a connecting piece I. The outer surface of each threaded rod I is in threaded connection with a threaded block, the outer surface of each threaded block is fixedly connected with a supporting rod, and the supporting rod is fixedly connected with the threaded rod I; a first threaded rod, a first sliding block, a first connecting piece, a second connecting piece and other parts are arranged, the corresponding first threaded rod is rotated to drive the corresponding threaded block and a supporting rod to move, the first sliding block is limited through a first corresponding sliding groove, and at the moment, the corresponding first sliding block moves in the corresponding first sliding groove; the mounting piece drives the first connecting piece to move, one hole position of the fan support is positioned through the second connecting piece, the other hole positions are positioned by changing the position of the first connecting piece, and then the effect that the device can position, place and support the fan supports of different models and different sizes is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fan bracket noise testing, and specifically relates to a combined testing bracket for testing the noise of an engine fan bracket. Background Art

[0002] An engine is a machine that can convert other forms of energy into mechanical energy, including internal combustion engines, external combustion engines, electric motors, etc. For example, an internal combustion engine usually converts chemical energy into mechanical energy. An engine is applicable to power generating devices and can also refer to the entire machine including the power generating device.

[0003] Noise generally refers to any random interference. Thermal noise, also known as white noise or Johnson noise, is generated by the random thermal motion of internal particles of various substances at a certain temperature. It is usually studied by statistical mathematics methods. Thermal noise exists universally in electronic components, devices, networks, and systems. Therefore, noise measurement mainly refers to the measurement of the thermal noise and characteristics of electronic components, devices, networks, and systems.

[0004] However, because there are different models of engines in the market, there are also differences in models and sizes of engine fan brackets. The existing combined testing brackets for the noise of engine fan brackets cannot position and place fan brackets of different models and sizes, and cannot change the position of the noise meter according to the different models and sizes of the fan brackets.

[0005] Therefore, a new solution needs to be proposed to solve this problem. Content of the Utility Model

[0006] Aiming at the deficiencies and defects in the prior art that the existing technology cannot position and place fan brackets of different models and sizes as described in the above background art.

[0007] A combined testing bracket for testing the noise of an engine fan bracket disclosed by the utility model includes two first threaded rods and a first connecting piece. The outer surface of each first threaded rod is threadedly connected with a threaded block. The outer surface of each threaded block is fixedly connected with a support rod. A first sliding groove is formed in the upper surface of each support rod. The inner wall of each first sliding groove is slidably connected with a first sliding block. The bottom surface of the first connecting piece is fixedly connected with a mounting piece. The inner wall of each first sliding block is rotatably connected with the outer surface of the corresponding mounting piece. A second connecting piece is arranged on the back of the first connecting piece.

[0008] Furthermore, the bottom surface of the second connecting piece is fixedly connected with a support plate. The outer surface of the support plate is fixedly connected with a frame. The outer surface of each first threaded rod is rotatably connected with the inside of the frame. A plurality of limiting grooves arranged at equal intervals are formed in the inner wall of the frame. The inner wall of each limiting groove is slidably connected with the outer surface of the corresponding threaded block.

[0009] Further, a support frame is fixedly connected to the bottom surface of the frame, and support members arranged at equal intervals are fixedly connected to the upper surface of the frame. A second sliding groove is formed on each surface of the support members close to each other.

[0010] Further, a second sliding block is slidably connected to the inner wall of each second sliding groove, and a second threaded rod is threadedly connected to the inner wall of each second sliding block.

[0011] Further, the outer surface of each second threaded rod is rotatably connected to the inside of the corresponding support member, and a slideway is fixedly connected to each surface of the second sliding blocks close to each other.

[0012] Further, a slider is slidably connected to the outer surface of each slideway, and a mounting bracket is fixedly connected to the upper surface of each slider.

[0013] Further, a noise meter is provided above the frame, and the outer surface of the noise meter is snap-connected to the outer surface of the corresponding mounting bracket.

[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0015] 1. By providing components such as a first threaded rod, a first sliding block, a first connecting member, and a second connecting member, the present utility model drives the corresponding threaded block and support rod to move by rotating the corresponding first threaded rod, limits the first sliding block through the corresponding first sliding groove. At this time, the corresponding first sliding block moves inside the corresponding first sliding groove, and drives the first connecting member to move through the mounting member, positions one hole of the fan bracket through the second connecting member, and positions the other holes by changing the position of the first connecting member, thereby realizing the effect that the device can position, place, and support fan brackets of different models and sizes.

[0016] 2. By providing components such as a second sliding block, a second threaded rod, a slideway, a slider, and a mounting bracket, the noise meter is installed on the surface of the corresponding mounting bracket. By rotating the corresponding second threaded rod, the corresponding second sliding block is driven to move up and down inside the second sliding groove, thereby realizing the height change of the noise meter. By moving the corresponding slider to slide on the surface of the corresponding slideway and locking and limiting the slider with bolts, the effect of adjusting the distance between the noise meter and the fan bracket is realized, and thus the effect that the device can adjust the height and position of the noise meter according to different models and sizes of the fan bracket is realized, improving the applicability of the device. Description of the Drawings

[0017] The accompanying drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0018] Figure 1 is a schematic three-dimensional structure diagram of the whole utility model;

[0019] Figure 2 is a schematic structural diagram of the connection relationship between the slideway and the slider of the utility model;

[0020] Figure 3 is a schematic structural diagram of the connection relationship between the frame and the support frame of the utility model;

[0021] Figure 4 is a schematic structural diagram of the connection relationship between the first threaded rod and the threaded block of the utility model.

[0022] In the figure: 1. The first threaded rod; 2. Threaded block; 3. Support rod; 4. The first sliding groove; 5. The first sliding block; 6. The first connecting piece; 7. Mounting piece; 8. The second connecting piece; 9. Support plate; 10. Frame; 11. Limiting groove; 12. Support frame; 13. Support member; 14. The second sliding groove; 15. The second sliding block; 16. The second threaded rod; 17. Slideway; 18. Slider; 19. Mounting frame; 20. Noise meter. Detailed implementation manners

[0023] The following will disclose multiple embodiments of the present utility model in the form of illustrations. For the sake of clarity, many physical details will be described together in the following narrative. However, it should be understood that these physical details are not used to limit the present utility model. That is to say, in some embodiments of the present utility model, these physical details are not necessary. In addition, for the sake of simplifying the illustrations, some conventional structures and components will be shown in a simple schematic manner in the illustrations.

[0024] Please refer to Figures 1 - 4 , a combined test bracket for testing the noise of an engine fan bracket of the present utility model includes two first threaded rods 1 and a first connecting piece 6. The outer surface of each first threaded rod 1 is threadedly connected with a threaded block 2. Place the threaded block 2 on the surface of the first threaded rod 1 and set the connection between them as a threaded connection. By rotating the corresponding first threaded rod 1, the corresponding threaded block 2 can be moved. The outer surface of each threaded block 2 is fixedly connected with a support rod 3. Install the support rod 3 on the surface of the threaded block 2 to achieve the positioning and installation effect of the support rod 3.

[0025] Such as Figure 4As shown, a first sliding groove 4 is formed on the upper surface of each support rod 3. The first sliding groove 4 is positioned by the support rod 3. A first sliding block 5 is slidably connected to the inner wall of each first sliding groove 4. The first sliding block 5 is placed inside the first sliding groove 4, and the first sliding block 5 is limited by the contour of the first sliding groove 4.

[0026] Combined with Figure 3 and Figure 4 , a mounting member 7 is fixedly connected to the bottom surface of the first connecting member 6. The mounting member 7 is mounted on the bottom surface of the first connecting member 6 to position the mounting member 7. The inner wall of each first sliding block 5 is rotatably connected to the outer surface of the corresponding mounting member 7. The corresponding first sliding block 5 is connected to the outer surface of the mounting member 7 and is set to be rotatably connected therebetween to limit the first sliding block 5. A second connecting member 8 is provided on the back surface of the first connecting member 6. The second connecting member 8 is placed on the back surface of the first connecting member 6. The first connecting member 6 and the second connecting member 8 can be used to position the hole positions on the surface of the fan bracket.

[0027] In this embodiment, a support plate 9 is fixedly connected to the bottom surface of the second connecting member 8. The support plate 9 is mounted on the bottom surface of the second connecting member 8 to support the second connecting member 8 by the support plate 9. A frame 10 is fixedly connected to the outer surface of the support plate 9. The frame 10 is connected to the surface of the support plate 9 to support the support plate 9 by the frame 10. The outer surface of each first threaded rod 1 is rotatably connected to the inside of the frame 10. The first threaded rod 1 is rotatably connected to the inside of the frame 10, and the first threaded rod 1 is limited by the frame 10.

[0028] Looking back Figure 4 , a plurality of limiting grooves 11 arranged at equal intervals are formed in the inner wall of the frame 10. The limiting grooves 11 are formed in the inner wall of the frame 10 to position the limiting grooves 11. The inner wall of each limiting groove 11 is slidably connected to the outer surface of the corresponding threaded block 2. The threaded block 2 is connected to the corresponding limiting groove 11, and the threaded block 2 is limited by the contour of the limiting groove 11.

[0029] In a preferred embodiment, a support frame 12 is fixedly connected to the bottom surface of the frame 10. The support frame 12 is mounted on the bottom surface of the frame 10 to support the frame 10 by the support frame 12 to ensure the stability of the frame 10. A plurality of support members 13 arranged at equal intervals are fixedly connected to the upper surface of the frame 10. The support members 13 are mounted on the upper surface of the frame 10 to support and position the support members 13. A second sliding groove 14 is formed on the mutually adjacent surface of each support member 13. The second sliding groove 14 is formed on the mutually adjacent surface of the support members 13.

[0030] As Figure 2As shown in the figure, a second sliding block 15 is slidably connected to the inner wall of each second sliding groove 14. The second sliding block 15 is placed inside the second sliding groove 14, and the second sliding block 15 is limited by the contour of the second sliding groove 14. A second threaded rod 16 is threadedly connected to the inner wall of each second sliding block 15. The second threaded rod 16 is connected to the second sliding block 15, and the lifting effect of the corresponding second sliding block 15 is realized by rotating the corresponding second threaded rod 16.

[0031] In this embodiment, the outer surface of each second threaded rod 16 is rotatably connected to the inside of the corresponding support member 13. The support member 13 is rotatably connected to the outer surface of the corresponding second threaded rod 16, and the second threaded rod 16 is limited by the corresponding support member 13. A slideway 17 is fixedly connected to each side of the second sliding block 15 that is close to each other. The slideway 17 is installed on the surface of the corresponding second sliding block 15 to achieve the positioning and installation effect of the slideway 17.

[0032] In a preferred embodiment, a slider 18 is slidably connected to the outer surface of each slideway 17. The slider 18 is placed on the surface of the slideway 17, and the slider 18 is set to be slidably connected to the slideway 17. The slider 18 is limited by the slideway 17. An installation frame 19 is fixedly connected to the upper surface of each slider 18. The installation frame 19 is placed on the upper surface of the slider 18 to achieve the positioning effect of the installation frame 19.

[0033] In this embodiment, a noise meter 20 is provided above the frame 10. The noise meter 20 is placed above the frame 10. The noise of the fan bracket can be tested through the noise meter 20. The outer surface of the noise meter 20 is snap-connected to the outer surface of the corresponding installation frame 19. The noise meter 20 is snap-connected to the corresponding installation frame 19, which is convenient for disassembly and replacement of the noise meter 20. At the same time, the position of the noise meter 20 can be adjusted by adjusting the height of the slideway 17 and the position of the slider 18 to test the noise of fan brackets of different sizes and models.

[0034] The above description is only for the embodiments of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims

1. A combined test bracket for testing the noise of an engine fan bracket, comprising two first threaded rods (1) and a first connecting member (6), characterized in that: The outer surface of each screw rod one (1) is threadedly connected with a threaded block (2), the outer surface of each threaded block (2) is fixedly connected with a support rod (3), a first sliding groove (4) is formed in the upper surface of each support rod (3), a first sliding block (5) is slidably connected to the inner wall of each first sliding groove (4), an installation part (7) is fixedly connected to the bottom surface of the first connecting part (6), and the inner wall of each first sliding block (5) is rotatably connected to the outer surface of the corresponding installation part (7). The second connecting part (8) is arranged on the back of the first connecting part (6).

2. The combined test bracket for testing the noise of an engine fan bracket according to claim 1, characterized in that: A support plate (9) is fixedly connected to the bottom surface of the second connecting part (8), a frame (10) is fixedly connected to the outer surface of the support plate (9), the outer surface of each screw rod one (1) is rotatably connected to the inside of the frame (10), a plurality of limiting grooves (11) arranged at equal intervals are formed in the inner wall of the frame (10), and the outer surface of each limiting groove (11) is slidably connected to the outer surface of the corresponding threaded block (2).

3. The combined test bracket for testing the noise of an engine fan bracket according to claim 2, wherein: A support frame (12) is fixedly connected to the bottom surface of the frame (10), a plurality of support parts (13) arranged at equal intervals are fixedly connected to the upper surface of the frame (10), and a second sliding groove (14) is formed in the side of each support part (13) close to each other.

4. The combined test bracket for testing the noise of the engine fan bracket according to claim 3, characterized in that: A second sliding block (15) is slidably connected to the inner wall of each second sliding groove (14), and a screw rod two (16) is threadedly connected to the inner wall of each second sliding block (15).

5. The combined test bracket for testing the noise of an engine fan bracket according to claim 4, characterized in that: The outer surface of each screw rod two (16) is rotatably connected to the inside of the corresponding support part (13), and a slideway (17) is fixedly connected to the side of each second sliding block (15) close to each other.

6. The combined test bracket for testing the noise of an engine fan bracket according to claim 5, wherein: A slider (18) is slidably connected to the outer surface of each slideway (17), and a mounting bracket (19) is fixedly connected to the upper surface of each slider (18).

7. The combined test bracket for testing the noise of an engine fan bracket according to claim 6, characterized in that: A noise meter (20) is arranged above the frame (10), and the outer surface of the noise meter (20) is clamped to the outer surface of the corresponding mounting bracket (19).

Images