CN111947930A - Noise sensor suspension support structure - Google Patents
Noise sensor suspension support structure Download PDFInfo
- Publication number
- CN111947930A CN111947930A CN202010746396.XA CN202010746396A CN111947930A CN 111947930 A CN111947930 A CN 111947930A CN 202010746396 A CN202010746396 A CN 202010746396A CN 111947930 A CN111947930 A CN 111947930A
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- China
- Prior art keywords
- cross beam
- motor
- vertical beam
- noise sensor
- fixedly connected
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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
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
Abstract
The invention discloses a suspension bracket structure of a noise sensor, which comprises a ground, a test engine, a ceiling, a cross beam and a vertical beam, wherein a screw rod is arranged in the cross beam, a first motor is arranged on the left side of the cross beam, a rotating shaft at the right end of the first motor penetrates into the cross beam and is fixedly connected with the left end of the screw rod in the cross beam, the vertical beam is arranged below the cross beam, an opening is formed in the bottom of the cross beam at the top of the vertical beam, and the top of the vertical beam penetrates into the cross beam through the opening. According to the invention, the cross beam is fixed on the ceiling, the vertical beam is arranged below the cross beam, the motor drives the screw rod in the cross beam to rotate, the screw rod drives the screw rod nut at the top of the vertical beam to move horizontally, so that the vertical beam can move horizontally, the motor II drives the rack to move up and down, and then the positions of the rotating arm and the swing arm are manually adjusted, so that the specific position of the microphone at the upper end of the test engine can be accurately positioned. The automobile is suitable for automobiles.
Description
Technical Field
The invention relates to the technical field of NVH rack test, in particular to a suspension support structure of a noise sensor.
Background
There is a certain difficulty in installing and adjusting the noise sensor. When the noise sensor is hung, certain difficulty and operability are achieved, and semi-overhead operation needs to be performed by means of the auxiliary ladder in actual operation. The position adjustment is needed after the sensor is hung, the sensor is adjusted to a position which is one meter away from the upper surface above the positive center of the engine enveloping surface, accurate data can be measured only when the positioning is accurate, a large amount of time is needed when the accurate position is adjusted, and great difficulty and time consumption are brought to preparation work.
Disclosure of Invention
Technical problem to be solved
In view of the deficiencies of the prior art, the present invention provides a suspension bracket structure for a noise sensor, which solves the problems mentioned in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a noise sensor suspension support structure comprises a ground, a test engine, a ceiling, a cross beam and a vertical beam, wherein a screw rod is arranged inside the cross beam, a first motor is arranged on the left side of the cross beam, a rotating shaft at the right end of the first motor penetrates into the inside of the cross beam and is fixedly connected with the left end of the screw rod inside the cross beam, the vertical beam is arranged below the cross beam, an opening is formed in the bottom of the cross beam at the top of the vertical beam, the top of the vertical beam penetrates into the inside of the cross beam through the opening, a screw nut is fixedly connected with the top of the vertical beam inside the cross beam, the screw nut is sleeved on the screw rod and is in sliding connection with the screw rod, a second motor is arranged on the right side of the bottom of the vertical beam, a rack is arranged inside the vertical beam and is in sliding connection with the inner wall of the vertical beam, the left end of the second motor is, the swing arm is installed to the bottom of rocking arm, the microphone is installed to the bottom of swing arm, the microphone is located the test engine directly over.
Preferably, the test engine is placed on the upper surface of the ground.
Preferably, the top of the cross beam is fixedly connected to the lower surface of the ceiling, and the cross beam is located above the test engine.
Preferably, two ends of the screw rod are rotatably connected with two ends of the inner wall of the cross beam.
Preferably, the left side of the motor I is fixedly connected with a fixing frame I on the lower surface of the ceiling, and the left end of the motor I is fixedly connected with the right side of the fixing frame I.
Preferably, the rollers are arranged on the two sides of the top of the vertical beam on the inner wall of the cross beam, the two rollers are rotatably connected with the two sides of the top of the vertical beam, and the two rollers roll at the bottom of the inner wall of the cross beam.
Preferably, the top of the second motor is fixedly connected with a second fixing frame on the right side of the bottom of the vertical beam, and the top of the second motor is fixedly connected with the bottom of the second fixing frame.
Preferably, a gear is fixedly connected to the left end of the second motor and meshed with the front face of the rack.
Preferably, one end of the rotating arm is fixedly arranged at the bottom of the rack through a bolt I.
Preferably, the swing arm is fixedly mounted at one end of the rotating arm through a second bolt, and the microphone is fixedly mounted at the bottom of the swing arm through a third bolt.
Compared with the prior art, the invention provides a noise sensor suspension bracket structure, which has the following beneficial effects:
1. according to the invention, the cross beam is fixed on the ceiling, the vertical beam is arranged below the cross beam, the motor drives the screw rod in the cross beam to rotate, the screw rod drives the screw rod nut at the top of the vertical beam to move horizontally, so that the vertical beam can move horizontally, the motor II drives the rack to move up and down, and then the positions of the rotating arm and the swing arm are manually adjusted, so that the specific position of the microphone at the upper end of the test engine can be accurately positioned.
2. The device is convenient, simple and safe to operate, small and light, and does not interfere with a hoist chain when the overhead travelling crane is hoisted, so that the device which occupies a large space in the prior art is reduced, and the space is optimized.
3. The invention has lower cost, solves the problems that the suspension sensor wastes time and labor in the test preparation process and the like, and greatly improves the working efficiency in the test preparation process.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is an enlarged schematic of invention A;
fig. 4 is an enlarged schematic of invention B.
In the figure: the testing device comprises a ground 1, a testing engine 2, a ceiling 3, a cross beam 4, a screw 5, a motor I6, a fixing frame I7, a vertical beam 8, a screw nut 81, a roller 82, a motor II 9, a fixing frame II 10, a rack 11, a rotating arm 12, a bolt I13, a swing arm 14, a bolt II 15, a microphone 16 and a bolt III 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Referring to fig. 1-4, the present invention provides a technical solution: a noise sensor suspension support structure comprises a ground 1, a test engine 2, a ceiling 3, a cross beam 4 and a vertical beam 8, wherein the test engine 2 is placed on the upper surface of the ground 1, the top of the cross beam 4 is fixedly connected to the lower surface of the ceiling 3, the cross beam 4 is positioned above the test engine 2, a screw 5 is arranged inside the cross beam 4, two ends of the screw 5 are rotatably connected with two ends of the inner wall of the cross beam 4, a motor I6 is arranged on the left side of the cross beam 4, a fixing frame I7 is fixedly connected to the lower surface of the ceiling 3 on the left side of the motor I6, the left end of the motor I6 is fixedly connected with the right side of the fixing frame I7, a rotating shaft at the right end of the motor I6 penetrates into the inside of the cross beam 4 and is fixedly connected with the left end of the screw 5 inside the cross beam 4, the vertical beam 8 is arranged below the cross beam 4, an opening is formed in the, the top of the vertical beam 8 is fixedly connected with a lead screw nut 81 inside the cross beam 4, the lead screw nut 81 is sleeved on the lead screw 5 and is in sliding connection with the lead screw 5, rollers 82 are arranged on two sides of the top of the vertical beam 8 on the inner wall of the cross beam 4, the two rollers 82 are in rotating connection with two sides of the top of the vertical beam 8, the two rollers 82 roll on the bottom of the inner wall of the cross beam 4, a second motor 9 is arranged on the right side of the bottom of the vertical beam 8, a second fixing frame 10 is fixedly connected on the right side of the top of the second motor 9 on the bottom of the vertical beam 8, the top of the second motor 9 is fixedly connected with the bottom of the second fixing frame 10, a rack 11 is arranged inside the vertical beam 8, the rack 11 is in sliding connection with the inner wall of the vertical beam 8, the left end of the second motor 9 is connected with the front of the rack 11, a gear 91 is fixedly connected with the left end of the second motor 9, the, the bottom of the rotating arm 12 is provided with a swing arm 14, the bottom of the swing arm 14 is provided with a microphone 16, the microphone 16 is positioned right above the test engine 2, the swing arm 14 is fixedly arranged at one end of the rotating arm 12 through a second bolt 15, the microphone 16 is fixedly arranged at the bottom of the swing arm 14 through a third bolt 17, the cross beam 4 is fixed on the ceiling 3, the vertical beam 8 is arranged below the cross beam 4, then the screw 5 in the cross beam 4 is driven to rotate through the first motor 6, the screw 5 drives the screw nut 81 at the top of the vertical beam 8 to horizontally move, so that the vertical beam 8 can horizontally move, the rack 11 is driven to vertically move through the second motor 8, then the positions of the rotating arm 12 and the swing arm 14 are manually adjusted, so that the specific position of the microphone 16 at the upper end of the test engine 2 can be accurately positioned, the device is convenient, simple and safe, when the overhead traveling crane is hoisted, the device can not interfere with a hoist chain, so that the device which is heavy in the prior art and occupies a larger space area is reduced, the space is optimized, the cost is low, the problems that a suspension sensor wastes time and labor in the test preparation process and the like are solved, and the working efficiency is greatly improved in the test preparation process.
When the testing device is used, the cross beam 4 is fixed on the ceiling 3, the vertical beam 8 is arranged below the cross beam 4, the first motor 6 drives the screw rod 5 inside the cross beam 4 to rotate, the screw rod 5 drives the screw rod nut 81 at the top of the vertical beam 8 to horizontally move, so that the vertical beam 8 can horizontally move, the second motor 8 drives the rack 11 to vertically move, the positions of the rotating arm 12 and the swing arm 14 are manually adjusted through loosening the first bolt 13 and the second bolt 15, and then the first bolt 13 and the second bolt 15 are screwed down, so that the specific position of the microphone 16 at the upper end of the testing engine 2 can be accurately positioned.
In conclusion, the crossbeam 4 is fixed on the ceiling 3, the vertical beam 8 is arranged below the crossbeam 4, the screw rod 5 in the crossbeam 4 is driven to rotate by the motor I6, the screw rod 5 drives the screw rod nut 81 at the top of the vertical beam 8 to horizontally move, so that the vertical beam 8 can horizontally move, the rack 11 is driven to move up and down by the motor II 8, and then the specific position of the microphone 16 at the upper end of the test engine 2 can be accurately positioned by manually adjusting the positions of the rotating arm 12 and the swinging arm 14. When the test is prepared, the working efficiency is greatly improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a noise sensor suspension support structure, includes crossbeam (4) and perpendicular roof beam (8), its characterized in that: the novel guide rail device is characterized in that a lead screw (5) is arranged in the cross beam (4), a motor I (6) is arranged on the left side of the cross beam (4), a rotating shaft at the right end of the motor I (6) penetrates into the inside of the cross beam (4) and is fixedly connected with the left end of the lead screw (5) in the cross beam (4), a vertical beam (8) is arranged below the cross beam (4), an opening is formed in the bottom of the cross beam (4) at the top of the vertical beam (8), the top of the vertical beam (8) penetrates into the inside of the cross beam (4) through the opening, a lead screw nut (81) is fixedly connected with the top of the vertical beam (8) in the inside of the cross beam (4), the lead screw nut (81) is sleeved on the lead screw (5) and is in sliding connection with the lead screw (5), a motor II (9) is arranged on the right side of the bottom of the vertical beam (8), a rack (11) is arranged in the inside of the vertical beam (8), and, the left end of motor two (9) is connected with the front of rack (11), rocking arm (12) are installed to the bottom of rack (11), swing arm (14) are installed to the bottom of rocking arm (12), microphone (16) are installed to the bottom of swing arm (14), microphone (16) are located test engine (2) directly over.
2. A noise sensor suspension mounting structure according to claim 1, wherein: the test engine (2) is placed on the upper surface of the ground (1).
3. A noise sensor suspension mounting structure according to claim 1, wherein: the top of crossbeam (4) fixed connection is in the lower surface of ceiling (3), crossbeam (4) are located the top of test engine (2).
4. A noise sensor suspension mounting structure according to claim 1, wherein: and two ends of the lead screw (5) are rotatably connected with two ends of the inner wall of the cross beam (4).
5. A noise sensor suspension mounting structure according to claim 1, wherein: the left side of the motor I (6) is fixedly connected with a fixing frame I (7) on the lower surface of the ceiling (3), and the left end of the motor I (6) is fixedly connected with the right side of the fixing frame I (7).
6. A noise sensor suspension mounting structure according to claim 1, wherein: the two sides of the top of the vertical beam (8) on the inner wall of the cross beam (4) are provided with rollers (82), the two rollers (82) are rotatably connected with the two sides of the top of the vertical beam (8), and the two rollers (82) roll at the bottom of the inner wall of the cross beam (4).
7. A noise sensor suspension mounting structure according to claim 1, wherein: the top of the second motor (9) is fixedly connected with a second fixing frame (10) on the right side of the bottom of the vertical beam (8), and the top of the second motor (9) is fixedly connected with the bottom of the second fixing frame (10).
8. A noise sensor suspension mounting structure according to claim 1, wherein: the left end of the second motor (9) is fixedly connected with a gear (91), and the gear (91) is meshed with the front face of the rack (11).
9. A noise sensor suspension mounting structure according to claim 1, wherein: one end of the rotating arm (12) is fixedly arranged at the bottom of the rack (11) through a first bolt (13).
10. A noise sensor suspension mounting structure according to claim 1, wherein: the swing arm (14) is fixedly arranged at one end of the rotating arm (12) through a second bolt (15), and the microphone (16) is fixedly arranged at the bottom of the swing arm (14) through a third bolt (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746396.XA CN111947930A (en) | 2020-07-29 | 2020-07-29 | Noise sensor suspension support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010746396.XA CN111947930A (en) | 2020-07-29 | 2020-07-29 | Noise sensor suspension support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111947930A true CN111947930A (en) | 2020-11-17 |
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ID=73339765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010746396.XA Pending CN111947930A (en) | 2020-07-29 | 2020-07-29 | Noise sensor suspension support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111947930A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114945132A (en) * | 2022-07-22 | 2022-08-26 | 歌尔股份有限公司 | Test fixture and speaker testing arrangement |
| CN115334439A (en) * | 2022-08-11 | 2022-11-11 | 歌尔股份有限公司 | Mounting structure of calibration line and test equipment of speaker |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008141786A (en) * | 2008-01-18 | 2008-06-19 | Fuji Onkyo Kk | Motor-driven hanging microphone system |
| CN106644046A (en) * | 2015-11-02 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Sound intensity full-automatic measurement bracket and measurement method thereof |
| CN206272796U (en) * | 2016-11-18 | 2017-06-20 | 北京汽车研究总院有限公司 | A kind of microphone mounting bracket and automobile for testing automobile exhaust noise |
| CN207395890U (en) * | 2017-10-19 | 2018-05-22 | 嘉兴恒升电子有限责任公司 | Noise measuring frame |
| CN109163909A (en) * | 2018-10-16 | 2019-01-08 | 汽-大众汽车有限公司 | A kind of automobile engine nacelle noise detection apparatus |
| CN209894336U (en) * | 2019-06-12 | 2020-01-03 | 湖南荣兴科技发展有限公司 | Noise detection device for machinery |
-
2020
- 2020-07-29 CN CN202010746396.XA patent/CN111947930A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008141786A (en) * | 2008-01-18 | 2008-06-19 | Fuji Onkyo Kk | Motor-driven hanging microphone system |
| CN106644046A (en) * | 2015-11-02 | 2017-05-10 | 株洲时代新材料科技股份有限公司 | Sound intensity full-automatic measurement bracket and measurement method thereof |
| CN206272796U (en) * | 2016-11-18 | 2017-06-20 | 北京汽车研究总院有限公司 | A kind of microphone mounting bracket and automobile for testing automobile exhaust noise |
| CN207395890U (en) * | 2017-10-19 | 2018-05-22 | 嘉兴恒升电子有限责任公司 | Noise measuring frame |
| CN109163909A (en) * | 2018-10-16 | 2019-01-08 | 汽-大众汽车有限公司 | A kind of automobile engine nacelle noise detection apparatus |
| CN209894336U (en) * | 2019-06-12 | 2020-01-03 | 湖南荣兴科技发展有限公司 | Noise detection device for machinery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114945132A (en) * | 2022-07-22 | 2022-08-26 | 歌尔股份有限公司 | Test fixture and speaker testing arrangement |
| CN114945132B (en) * | 2022-07-22 | 2022-11-01 | 歌尔股份有限公司 | Test fixture and loudspeaker testing device |
| CN115334439A (en) * | 2022-08-11 | 2022-11-11 | 歌尔股份有限公司 | Mounting structure of calibration line and test equipment of speaker |
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Application publication date: 20201117 |
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| RJ01 | Rejection of invention patent application after publication |