High-efficiency noise reduction and shock absorption soundproof box

Abstract

The invention relates to the technical field of motor test equipment, in particular to a high-efficiency noise reduction and shock absorption soundproof box, two supporting and lifting mechanisms are arranged on a machine table, and a test box main body is arranged on the two supporting and lifting mechanisms; a test base is arranged below the test box main body, and the test base can horizontally move on the machine table; a motor test frame is arranged on the test base, the motor test frame is used for placing a motor and electrifying the motor for operation, the support lifting mechanism can lift the test base in parallel, so that the test base and the test box main body form a sound insulation test space, and the running motor completes noise and vibration tests in the sound insulation test space. Compared with the prior art, the high-efficiency noise reduction and shock absorption soundproof box can realize seamless joint with an automatic production line, the test efficiency is improved, the labor can be saved, and the higher automation degree is realized.

Description

[Technical field]

[0001] The invention relates to the technical field of motor testing equipment, and in particular to a high-efficiency noise reduction and shock absorption sound insulation box. [Background technology]

[0002] When testing the noise and vibration of a motor at work, there is often a high requirement for the quietness of the test environment. The existing technology usually tests the working noise and vibration of the motor in an independent soundproof room, but the independent soundproof room takes up a large space and requires testers to frequently enter and exit the soundproof room to pick up and test the motor, which cannot form a perfect connection with the automated production line and is not conducive to improving test efficiency. [Summary of the invention]

[0003] In order to overcome the above problems, the present invention proposes a high-efficiency noise reduction and shock absorption sound insulation box which can effectively solve the above problems.

[0004] A technical solution provided by the present invention to solve the above-mentioned technical problems is: to provide a high-efficiency noise reduction and shock absorption soundproof box for testing the noise and vibration of the motor when it is working, including a machine platform, an outer cover is arranged on the machine platform, and an inlet and outlet are arranged between the machine platform and the outer cover, and the inlet and outlet are used to connect with the upstream and downstream equipment of the automated production line; two supporting and lifting mechanisms are arranged on the machine platform, and a test box body is arranged on the two supporting and lifting mechanisms; a test base is arranged under the test box body, and the test base can move horizontally on the machine platform; a motor test frame is arranged on the test base, and the motor test frame is used to place the motor and power on the motor for operation, and the supporting and lifting mechanism can lift the test base in parallel, so that the test base and the test box body form a soundproof test space, and the running motor completes the noise and vibration test in the soundproof test space.

[0005] Preferably, the test base is provided with a downwardly recessed lower groove, and the test box body is provided with an upwardly recessed upper groove, the lower groove and the upper groove match each other, and the test base is magnetically connected to the test box body after rising, and the lower groove and the upper groove form a soundproof test space.

[0006] Preferably, the motor test frame is located in the lower groove, and a vibration sensor is provided on the motor test frame.

[0007] Preferably, a sound pickup bracket is provided on the inner side wall of the upper groove, and a sound pickup receiver is connected to the sound pickup bracket.

[0008] Preferably, the supporting and lifting mechanism includes two supporting rods, the tops of the two supporting rods are connected with transverse supporting plates, the transverse supporting plates are connected with lifting cylinders, the output ends of the lifting cylinders are connected with lifting plates, and the bottoms of the lifting plates are connected with horizontal support plates; the lifting cylinders control the lifting and lowering of the lifting plates, and the support plates are used to support and lift the test base upwards.

[0009] Preferably, shock-absorbing airbags are provided at both ends of the upper side of the transverse support plate, and the test box body is supported on the shock-absorbing airbags.

[0010] Preferably, the test box body includes five upper sound insulation walls, which are integrally formed and surround an upper groove; a support platform is provided on the outer side of the test box body, the position of the support platform corresponds to the position of the shock-absorbing airbag, and the support platform is supported on the shock-absorbing airbag.

[0011] Preferably, the test base includes five lower sound insulation walls, which are integrally formed and surround a lower groove; a support platform is provided on the outer side of the test base, and a bracket matching a support plate is provided on the bottom side of the support platform, and the support plate lifts the test base upward after being embedded in the bracket.

[0012] Preferably, an electromagnet is provided on the lower sound insulation wall, and a magnetic attraction portion is provided on the upper sound insulation wall. The position of the magnetic attraction portion corresponds to the position of the electromagnet, and the electromagnet is magnetically fixed to the magnetic attraction portion after being energized.

[0013] Preferably, the upper sound insulation wall and the lower sound insulation wall both include sound insulation boards and multiple layers of sound insulation cotton, the sound insulation boards and the multiple layers of sound insulation cotton are stacked and fixed, and the thickness of the upper sound insulation wall and the lower sound insulation wall is between 15cm and 30cm.

[0014] Compared with the prior art, the high-efficiency noise reduction and shock absorption soundproof box of the present invention arranges a motor test frame on the test base, the motor is placed on the motor test frame and powered on, and the support and lifting mechanism lifts the test base in parallel, so that the test base and the test box body form a soundproof test space, and the running motor can complete noise and vibration tests in the soundproof test space, without the need for a separate soundproof room for testing, thereby reducing space occupancy. After the test is completed, the support and lifting mechanism lowers the test base in parallel, and the test base transports the tested motor to the feed port, which can achieve seamless connection with the automated production line, improve test efficiency, save labor, and achieve a higher degree of automation.

Brief Description of the Drawings

[0015] Figure 1 It is a first stereoscopic view of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0016] Figure 2 A second stereoscopic view of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0017] Figure 3 A third stereoscopic view of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0018] Figure 4 A top view of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0019] Figure 5 A side view of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0020] Figure 6 It is a first stereoscopic diagram of the support and lifting mechanism of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0021] Figure 7 A second stereoscopic view of the support and lifting mechanism of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0022] Figure 8 A three-dimensional diagram of the main body of the test box of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0023] Fig. 9 It is a first stereoscopic view of the test base of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention;

[0024] Fig.10 This is the second stereoscopic view of the test base of the high-efficiency noise reduction and shock absorption sound insulation box of the present invention. [Specific implementation method]

[0025] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0026] It should be noted that in the embodiments of the present invention, all directional indications (such as up, down, left, right, front, back, etc.) are limited to relative positions on the specified view, rather than absolute positions.

[0027] In addition, in the present invention, descriptions such as "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0028] See also Figures 1 to 10The high-efficiency noise reduction and shock absorption sound insulation box of the present invention is used to test the noise and vibration of the motor when it is working, and includes a machine platform 100, on which an outer cover 200 is provided, and a material inlet and outlet 300 is provided between the machine platform 100 and the outer cover 200, and the material inlet and outlet 300 is used to connect the upstream and downstream equipment of the automated production line.

[0029] The platform 100 is provided with two supporting and lifting mechanisms 20, and the test box body 10 is provided on the two supporting and lifting mechanisms 20. A test base 30 is provided below the test box body 10, and the test base 30 can move horizontally on the platform 100.

[0030] A motor test frame 40 is provided on the test base 30. The motor test frame 40 is used to place the motor and energize the motor for operation. The support and lifting mechanism 20 can lift the test base 30 in parallel, so that the test base 30 and the test box body 10 form a soundproof test space, and the running motor completes noise and vibration tests in the soundproof test space.

[0031] The test base 30 can be moved to the material inlet and outlet 300 .

[0032] The high-efficiency noise reduction and shock absorption soundproof box of the present invention arranges a motor test frame 40 on the test base 30, the motor is placed on the motor test frame 40 and powered on, and the support and lifting mechanism 20 lifts the test base 30 in parallel, so that the test base 30 and the test box body 10 form a soundproof test space, and the running motor can complete noise and vibration tests in the soundproof test space, without the need for a separate soundproof room for testing, thereby reducing space occupancy. After the test is completed, the support and lifting mechanism 20 lowers the test base 30 in parallel, and the test base 30 transports the tested motor to the feed port 300, which can achieve seamless connection with the automated production line, improve test efficiency, save labor, and achieve a higher degree of automation.

[0033] The test base 30 is provided with a downwardly recessed lower groove 31, and the test box body 10 is provided with an upwardly recessed upper groove 11, the lower groove 31 matches the upper groove 11, and the test base 30 is magnetically connected to the test box body 10 after rising, and the lower groove 31 and the upper groove 11 form a soundproof test space.

[0034] The motor test frame 40 is located in the lower groove 31 . A vibration sensor is disposed on the motor test frame 40 for testing the vibration generated during the operation of the motor.

[0035] A sound pickup bracket 14 is disposed on the inner side wall of the upper groove 11 , and a sound pickup receiver 15 is connected to the sound pickup bracket 14 . The sound pickup receiver 15 is used to collect noise generated during the operation of the motor.

[0036] A horizontal moving mechanism 50 is disposed below the test base 30 , and the horizontal moving mechanism 50 drives the test base 30 to move.

[0037] The horizontal moving mechanism 50 is provided with a positioning pin, and the bottom of the test base 30 is provided with a positioning groove matching the positioning pin. The positioning pin and the positioning groove are both arranged in the vertical direction. The positioning pin is inserted into the positioning groove, so that the horizontal moving mechanism 50 can drive the test base 30 to move horizontally.

[0038] The support and lifting mechanism 20 includes two support rods 21, the tops of the two support rods 21 are connected with a transverse support plate 22, the transverse support plate 22 is connected with a lifting cylinder 23, the output end of the lifting cylinder 23 is connected with a lifting plate 26, and the bottom of the lifting plate 26 is connected with a horizontal support plate 27. The lifting cylinder 23 controls the lifting and lowering of the lifting plate 26, and the support plate 27 is used to support the test base 30 and lift it upward.

[0039] The sides of the two support rods 21 are connected with vertical support plates 24 , and vertical slide rails 25 are arranged on the vertical support plates 24 . The lifting plate 26 is slidably connected to the vertical slide rails 25 through sliders, so that the lifting is more stable.

[0040] Shock-absorbing airbags 28 are provided at both ends of the upper side of the transverse support plate 22, and the test box body 10 is supported on the shock-absorbing airbags 28. The shock-absorbing airbags 28 can effectively filter the influence of external vibration on the test, so that the sound insulation test space is approximately in a suspended state, thereby three-dimensionally improving the test accuracy.

[0041] The test box body 10 includes five upper sound insulation walls 12 . The five upper sound insulation walls 12 are integrally formed and surround an upper groove 11 .

[0042] A support platform 13 is disposed outside the test box body 10 . The position of the support platform 13 corresponds to the position of the shock-absorbing airbag 28 . The support platform 13 is supported on the shock-absorbing airbag 28 .

[0043] The upper sound insulation wall 12 includes a sound insulation board and multiple layers of sound insulation cotton, which are stacked and fixed. The thickness of the upper sound insulation wall 12 is between 15cm and 30cm, ensuring a good sound insulation effect.

[0044] The test base 30 includes five lower sound insulation walls 32 . The five lower sound insulation walls 32 are integrally formed and surround a lower groove 31 .

[0045] The lower sound insulation wall 32 includes a sound insulation board and multiple layers of sound insulation cotton, which are stacked and fixed. The thickness of the lower sound insulation wall 32 is between 15cm and 30cm, ensuring a good sound insulation effect.

[0046] A support platform 34 is disposed on the outer side of the test base 30 , and a bracket 35 matching with the support plate 27 is disposed on the bottom side of the support platform 34 . After the support plate 27 is inserted into the bracket 35 , the test base 30 is lifted upward.

[0047] The lower soundproof wall 32 is provided with an electromagnet 33 , and the upper soundproof wall 12 is provided with a magnetic attraction portion, the position of the magnetic attraction portion corresponds to the position of the electromagnet 33 , and the electromagnet 33 is magnetically fixed to the magnetic attraction portion after being energized, thereby realizing a sealed connection between the test base 30 and the test box body 10 .

[0048] A sealing gasket 36 protruding outward is disposed around the outer side of the lower groove 31 , and the sealing gasket 36 is used to seal the connection between the test base 30 and the test box body 10 .

[0049] The horizontal moving mechanism 50 includes a base plate 51 , which is connected to the machine platform 100 . A transverse slide rail 52 is disposed on the upper side of the base plate 51 . A horizontal moving plate 53 is slidably connected to the transverse slide rail 52 via a slider. The positioning pin is disposed on the horizontal moving plate 53 .

[0050] A screw rod 55 is provided on the lower side of the base plate 51, and one end of the screw rod 55 is connected to a driving motor 56. The driving motor 56 drives the screw rod 55 to rotate. The bottom of the horizontal moving plate 53 is connected to the screw rod 55 through a connecting block 54. The screw rod 55 drives the connecting block 54 to drive the horizontal moving plate 53 to move along the transverse slide rail 52.

[0051] The base plate 51 is provided with an air-avoiding groove, and the connecting block 54 is located in the air-avoiding groove to prevent movement interference.

[0052] Compared with the prior art, the high-efficiency noise reduction and shock absorption soundproof box of the present invention arranges a motor test frame 40 on the test base 30, and the motor is placed on the motor test frame 40 and powered on to run, and the support and lifting mechanism 20 lifts the test base 30 in parallel, so that the test base 30 and the test box body 10 form a soundproof test space, and the running motor can complete noise and vibration tests in the soundproof test space, without the need for a separate soundproof room for testing, thereby reducing space occupancy. After the test is completed, the support and lifting mechanism 20 lowers the test base 30 in parallel, and the test base 30 transports the tested motor to the feed port 300, which can achieve seamless connection with the automated production line, improve test efficiency, save labor, and achieve a higher degree of automation.

[0053] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. Any modifications, equivalent substitutions and improvements made within the concept of the present invention should be included in the patent protection scope of the present invention.

Claims

1. High-efficiency noise reduction and shock absorption sound insulation box, used to test the noise and vibration of the motor during operation, characterized by: It includes a machine platform, an outer cover is arranged on the machine platform, and a material inlet and outlet are arranged between the machine platform and the outer cover, and the material inlet and outlet are used to connect with upstream and downstream equipment of the automated production line; Two supporting and lifting mechanisms are arranged on the machine platform, and a test box body is arranged on the two supporting and lifting mechanisms; a test base is arranged below the test box body, and the test base can move horizontally on the machine platform; A motor test frame is provided on the test base, and the motor test frame is used to place the motor and energize the motor for operation. The support and lifting mechanism can lift the test base in parallel, so that the test base and the test box body form a soundproof test space, and the running motor completes noise and vibration tests in the soundproof test space.

2. The high-efficiency noise reduction and shock absorption sound insulation box according to claim 1, characterized in that: The test base is provided with a downwardly concave lower groove, and the test box body is provided with an upwardly concave upper groove, the lower groove and the upper groove match each other, and the test base is magnetically connected to the test box body after rising, and the lower groove and the upper groove form a sound insulation test space.

3. The high-efficiency noise reduction and shock absorption sound insulation box according to claim 2, characterized in that: The motor test frame is located in the lower groove, and a vibration sensor is arranged on the motor test frame.

4. The high-efficiency noise reduction and shock absorption sound insulation box according to claim 2, characterized in that: A sound pickup bracket is arranged on the inner side wall of the upper groove, and a sound pickup receiver is connected to the sound pickup bracket.

5. The high-efficiency noise reduction and vibration reduction sound insulation box according to claim 2, characterized in that: The supporting and lifting mechanism includes two supporting rods, the tops of the two supporting rods are connected with transverse supporting plates, the transverse supporting plates are connected with lifting cylinders, the output ends of the lifting cylinders are connected with lifting plates, and the bottoms of the lifting plates are connected with horizontal supporting plates; the lifting cylinders control the lifting and lowering of the lifting plates, and the supporting plates are used to support and lift the test base upwards.

6. The high-efficiency noise reduction and shock absorption sound insulation box according to claim 5, characterized in that: Shock-absorbing airbags are arranged at both ends of the upper side of the transverse support plate, and the test box body is supported on the shock-absorbing airbags.

7. The high-efficiency noise reduction and shock absorption sound insulation box according to claim 6, characterized in that: The test box body includes five upper sound insulation walls, which are integrally formed and surround an upper groove; a support platform is arranged on the outer side of the test box body, the position of the support platform corresponds to the position of the shock-absorbing airbag, and the support platform is supported on the shock-absorbing airbag.

8. The high-efficiency noise reduction and vibration reduction sound insulation box according to claim 7, characterized in that: The test base includes five lower sound insulation walls, which are integrally formed and surround a lower groove; a support platform is arranged on the outer side of the test base, and a bracket matching a support plate is arranged on the bottom side of the support platform, and the test base is lifted upward after the support plate is embedded in the bracket.

9. The high-efficiency noise reduction and shock absorption sound insulation box according to claim 8, characterized in that: The lower sound insulation wall is provided with an electromagnet, and the upper sound insulation wall is provided with a magnetic attraction portion. The position of the magnetic attraction portion corresponds to the position of the electromagnet. The electromagnet is magnetically fixed to the magnetic attraction portion after being energized.

10. The high-efficiency noise reduction and vibration reduction sound insulation box according to claim 8, characterized in that: The upper sound insulation wall and the lower sound insulation wall both include sound insulation boards and multiple layers of sound insulation cotton, the sound insulation boards and the multiple layers of sound insulation cotton are stacked and fixed, and the thickness of the upper sound insulation wall and the lower sound insulation wall is between 15cm and 30cm.

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