Fixed point jig of microphone

Abstract

The fixed point jig comprises a base, a fixing assembly, a first positioning assembly and a second positioning assembly, the fixing assembly comprises a transverse rod, a vertical rod, a positioning rod and two inclined rods, the transverse rod is installed on the base, the vertical rod is installed above the transverse rod, and the two inclined rods are arranged on the two sides of the vertical rod in the transverse direction and can ascend and descend relative to the vertical rod; the positioning rod is used for abutting against the center of a wheel. The first positioning assembly comprises a first sliding block and a first mounting rod which are connected with each other, and the first sliding block is slidably connected with the cross rod; and the number of the second positioning assemblies is two, the two second positioning assemblies and the two inclined rods are correspondingly arranged, each second positioning assembly comprises a second sliding block and a second mounting rod which are connected with each other, and the second sliding blocks are slidably connected with the corresponding inclined rods. The fixed-point jig for the microphone is convenient to operate, can quickly position the microphone, and improves the production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile noise detection, and particularly relates to a fixed-point fixture for a microphone. Background Technique

[0002] With the rapid development of the automobile industry, the popularity rate of automobiles is getting higher and higher. When consumers buy automobiles, their requirements for the automobile noise level increase year by year. The vehicle sound insulation level has a great influence on the interior noise of the vehicle, and it is of great significance to research and develop it. The commonly used means for measuring the vehicle sound insulation performance includes the "volume velocity sound source excitation test". In this test, a microphone is placed around each of the four wheels of the vehicle. The specific placement positions of the four microphones are 45 degrees above the left of the wheel, 45 degrees above the right of the wheel, and 10 centimeters above the surface of the ground at the left and right lower parts of the wheel respectively.

[0003] During the installation of the existing microphone, after the operator aligns the laser level with the center position of the wheel, a steel ruler and a protractor are used to confirm the installation angle of the microphone, so as to position multiple microphones. The operation is cumbersome and the positioning time is long. Content of the Utility Model

[0004] The main purpose of the utility model is to propose a fixed-point fixture for a microphone, aiming to solve the problems of cumbersome operation and low efficiency in the positioning process of the installation position of the microphone in the existing volume velocity sound source excitation test.

[0005] To achieve the above purpose, the utility model proposes a fixed-point fixture for a microphone, and the fixed-point fixture for the microphone includes:

[0006] A base;

[0007] A fixing component, the fixing component includes a cross bar, a vertical bar, a positioning bar and two inclined bars. The cross bar is installed on one side of the base and is arranged close to the bottom end of the base. The vertical bar is installed above the cross bar. The two inclined bars are horizontally arranged on both sides of the vertical bar and can move up and down relative to the vertical bar. One end of the positioning bar is connected to the two inclined bars, and the other end of the positioning bar is used to abut against the center of the wheel;

[0008] The first positioning component, the number of the first positioning components is two, and the two first positioning components are respectively arranged at both ends of the cross bar. The first positioning component includes a first sliding block and a first mounting rod which are connected to each other. The first sliding block is slidably connected to the cross bar, and the first mounting rod is used to mount the microphone;

[0009] The second positioning component, the number of the second positioning components is two, the two second positioning components are correspondingly arranged with the two inclined rods, the second positioning component includes a second sliding block and a second mounting rod which are connected to each other, the second sliding block is slidably connected to the corresponding inclined rod, and the second mounting rod is used for mounting a microphone.

[0010] In one embodiment, a sliding sleeve is sleeved on the vertical rod, the sliding sleeve is slidably connected to the vertical rod and can move up and down relative to the vertical rod, two sides of the sliding sleeve in the transverse direction are respectively connected to the two inclined rods, and the positioning rod is mounted on one side of the sliding sleeve facing the wheel.

[0011] In one embodiment, the first positioning component further includes a first support rod and a first clamping block, the first support rod is mounted on the first sliding block and extends vertically, the first clamping block is slidably connected to the first support rod, and the first mounting rod is connected to the first clamping block.

[0012] In one embodiment, the second positioning component further includes a second support rod and a second clamping block, the second support rod is mounted on the second sliding block and is perpendicular to the corresponding inclined rod, the second clamping block is slidably connected to the second support rod, and the second mounting rod is connected to the second clamping block.

[0013] In one embodiment, the first clamping block is provided with a first through hole in the longitudinal direction, the first mounting rod extends into the first through hole and can move longitudinally relative to the first clamping block; the second clamping block is provided with a second through hole in the longitudinal direction, the second mounting rod extends into the second through hole and can move longitudinally relative to the second clamping block.

[0014] In one embodiment, the first sliding block is sleeved on the outer periphery of the cross bar, and the second sliding block is sleeved on the outer periphery of the corresponding inclined rod.

[0015] In one embodiment, the base includes a bottom rod and a connecting rod, the number of the bottom rods is multiple, the multiple bottom rods are arranged at intervals in the transverse direction, and the connecting rod extends along the horizontal line and is respectively connected to the multiple bottom rods.

[0016] In one embodiment, the fixture for fixing the position of the microphone further includes a reinforcing frame, the reinforcing frame includes a reinforcing rod and a connecting plate, the two reinforcing rods are arranged at intervals in the transverse direction, one end of the reinforcing rod is mounted on the base, and the other end of the reinforcing rod is connected to the vertical rod through the connecting plate.

[0017] In one embodiment, a handle is provided at the top end of the connecting plate.

[0018] In one embodiment, rib plates are provided at the joints of the base and the cross bar and at the joints of the vertical rod and the cross bar.

[0019] In the technical solution of the present utility model, the fixed-point fixture for the microphone includes a base, a fixing component, a first positioning component, and a second positioning component. The operator moves the base so that the center of the positioning rod wheel abuts. The first positioning component includes a first slider and a first mounting rod, and the second positioning component includes a second slider and a second mounting rod. During the process of positioning the microphones at the lower left and lower right of the wheel, the operator moves the first slider to drive the first mounting rod to move relative to the cross bar through the first slider, so that the first mounting rod abuts against the surface of the wheel. By fixing the microphone on the two first mounting rods, the positioning of the microphones at the lower left and lower right of the wheel is realized; during the process of positioning the microphones at the upper left and upper right of the wheel, the operator moves the second slider to drive the second mounting rod to move along the inclined rod, so that the second mounting rod abuts against the surface of the wheel at the upper left or upper right of the vehicle, and the microphone is installed on the second mounting rod to complete the positioning of the microphones at the upper left and upper right of the vehicle. The fixed-point fixture for the microphone of the present utility model is convenient to operate during the process of positioning the microphones at the upper left, upper right, lower left, and lower right of the vehicle, can quickly position the microphones, and improves the production efficiency. Description of the Drawings

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0021] Figure 1 It is a three-dimensional structural diagram of the fixed-point fixture for the microphone in an embodiment of the present utility model;

[0022] Figure 2 It is Figure 1 The enlarged view of part A in

[0023] Figure 3 It is a side view structural diagram of the fixed-point fixture for the microphone in an embodiment of the present utility model.

[0024] Explanation of the reference numerals in the drawings:

[0025] 100. Fixed jig for microphone; 200. Microphone; 300. Wheel; 1. Base; 2. Fixing component; 3. First positioning component; 4. Second positioning component; 21. Cross bar; 22. Vertical bar; 23. Positioning bar; 24. Inclined bar; 31. First sliding block; 32. First mounting bar; 33. First support bar; 34. First clamping block; 41. Second sliding block; 42. Second mounting bar; 43. Second support bar; 44. Second clamping block; 341. First through hole; 441. Second through hole; 11. Bottom bar; 12. Connecting rod; 5. Reinforcing frame; 51. Reinforcing bar; 52. Connecting plate; 53. Handle; 54. Rib plate; 6. Sliding sleeve.

[0026] The realization of the purpose, functional features and advantages of the present utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the protection scope of the present utility model.

[0028] It should be noted that all the directional indications (such as up, down, left, right, front, back...) in the embodiments of the present utility model are only used to explain the relative positional relationship and movement conditions between components in a specific posture (such as in the attached Figure 1 ) If this specific posture changes, the directional indication will also change accordingly.

[0029] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present utility model, such descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears throughout the text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution where A and B are satisfied simultaneously. In addition, the technical solutions between the embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model.

[0030] The present utility model provides a fixed jig for a microphone.

[0031] Please refer to Figures 1 to 3 , in an embodiment of the present utility model, the fixed jig 100 for the microphone includes a base 1, a fixing component 2, a first positioning component 3 and a second positioning component 4. The fixing component 2 includes a cross bar 21, a vertical bar 22, a positioning bar 23 and two inclined bars 24. The cross bar 21 is installed on one side of the base 1 and is arranged close to the bottom end of the base 1. The vertical bar 22 is installed above the cross bar 21. The two inclined bars 24 are arranged on both sides of the vertical bar 22 in the transverse direction and can move up and down relative to the vertical bar 22. One end of the positioning bar 23 is connected to the two inclined bars 24, and the other end of the positioning bar 23 is used to abut against the center of the wheel 300. The number of the first positioning components 3 is two, and the two first positioning components 3 are arranged at both ends of the cross bar 21. The first positioning component 3 includes a first sliding block 31 and a first mounting rod 32 which are connected to each other. The first sliding block 31 is slidably connected to the cross bar 21, and the first mounting rod 32 is used to mount the microphone 300. The number of the second positioning components 4 is two, and the two second positioning components 4 are arranged corresponding to the two inclined bars 24. The second positioning component 4 includes a second sliding block 41 and a second mounting rod 42 which are connected to each other. The second sliding block 41 is slidably connected to the corresponding inclined bar 24, and the second mounting rod 42 is used to mount the microphone 300.

[0032] In the technical solution of this embodiment, the base 1 is used to support and fix the fixing component 2. The fixing component 2 includes a cross bar 21, a vertical bar 22, a positioning bar 23 and two inclined bars 24. The cross bar 21 extends in the transverse direction, and the vertical bar 22 extends in the vertical direction. The transverse direction is Figure 1 the left - right direction in Figure 1 , and the vertical direction is Figure 1In the front-rear direction shown in the figure, by manipulating the positioning rod 23 to rise or fall, the rear end of the positioning rod 23 can be aligned with the center of the wheel 300. The number of the first positioning components 3 is two, and the two first positioning components 3 are arranged at both ends of the cross bar 21 in the left-right direction. The first positioning components 3 can slide relative to the cross bar 21 in the left-right direction. It can be understood that the first positioning component 3 includes a first sliding block 31 and a first mounting rod 32. The first mounting rod 32 is connected to the first sliding block 31, and the first sliding block 31 is slidably connected to the cross bar 21, so as to drive the first mounting rod 32 to move relative to the cross bar 21 in the left-right direction. The number of the second positioning components 4 is two, and each inclined rod 24 is provided with a second positioning component 4. The second positioning component 4 includes a second sliding block 41 and a second mounting rod 42. The second sliding block 41 is slidably connected to the corresponding inclined rod 24, so that the second sliding block 41 can drive the second mounting rod 42 to move relative to the inclined rod 24 and along the extending direction of the inclined rod 24.

[0033] During the use of the microphone positioning fixture 100 of this embodiment, the operator moves the base 1 so that the vertical rod 22 coincides with the center of the wheel 300 in the left-right direction. Then, the operator moves the two inclined rods 24 and the positioning rod 23 in the up-down direction so that the rear end of the positioning rod 23 abuts against the center of the wheel 300. During the process of positioning the microphones 300 at the lower left and lower right of the wheel 300, the operator moves the first sliding block 31 to drive the first mounting rod 32 to move left and right relative to the cross bar 21. The first mounting rod 32 extends in the front-rear direction, so that the first mounting rod 32 abuts against the surface of the wheel 300. The determination of the height positions of the microphones 300 at the lower left and lower right can be controlled by reasonably setting the heights of the cross bar 21 and the first mounting rod 32. And the top end of the first mounting rod 32 mounted on the cross bar 21 is 10 cm from the ground. By fixing the microphone 300 on the two first mounting rods 32, the positioning of the microphones 300 at the lower left and lower right of the wheel 300 is achieved. During the process of positioning the microphones 300 at the upper left and upper right of the wheel 300, the operator moves the second sliding block 41 to drive the second mounting rod 42 to move along the inclined rod 24, so that the second mounting rod 42 abuts against the surface of the wheel 300 at the upper left or upper right of the vehicle, and the microphone 300 is mounted on the second mounting rod 42 to complete the positioning of the microphones 300 at the upper left and upper right of the vehicle. In the microphone positioning fixture 100 of this embodiment, during the process of positioning the microphones 300 at the upper left, upper right, lower left and lower right of the vehicle, the positions of the corresponding first sliding block 31 and second sliding block 41 can be moved to determine the position of the microphone 300. The operation is convenient, the microphone 300 can be quickly positioned, and the production efficiency is increased. Moreover, when the vehicle model changes, the microphone 300 of this embodiment can adjust the positions of the first sliding block 31 and the second sliding block 41 to adapt to vehicles of different models, and has high versatility.

[0034] In one embodiment, a sliding sleeve 6 is sleeved on the vertical rod 22. The sliding sleeve 6 is slidably connected to the vertical rod 22 and can move up and down relative to the vertical rod 22. Two inclined rods 24 are respectively connected to both sides of the sliding sleeve 6 in the transverse direction. The positioning rod 23 is installed on one side of the sliding sleeve 6 facing the wheel 300. In this embodiment, the sliding sleeve 6 is sleeved on the vertical rod 22, and the sliding sleeve 6 can rise or fall relative to the vertical rod 22. By installing both the two inclined rods 24 and the positioning rod 23 on the sliding sleeve 6, during the process of operating the sliding sleeve 6 to rise or fall, the two inclined rods 24 and the positioning rod 23 can be driven to rise or fall synchronously. By providing the sliding sleeve 6, the relative positions between the two inclined rods 24 and the positioning rod 23 can always be kept consistent, increasing the positioning accuracy of the microphone fixing jig 100 in this embodiment. They can be connected. Connecting sleeves are respectively connected to the left and right sides of the sliding sleeve 6. The included angle between the connecting sleeve and the vertical rod 22 is 45 degrees. By inserting the inclined rod 24 into the connecting sleeve, the installation of the two inclined rods 24 can be completed, and the disassembly of the inclined rod 24 is facilitated. A connecting sleeve can be connected to the rear side of the sliding sleeve 6. By inserting the positioning rod 23 into the connecting sleeve on the rear side of the sliding sleeve 6, the installation and disassembly of the positioning rod 23 can be facilitated.

[0035] In other embodiments, a chute can be vertically formed on the vertical rod 22. By providing a slider at one end of the inclined rod 24 that is slidably connected to the chute, the inclined rod 24 can move up or down relative to the vertical rod 22. In this embodiment, the positioning rod 23 can be connected to the two inclined rods 24 through a connecting member or connected to the inclined rod 24 by welding. This specification does not limit this.

[0036] In one embodiment, the first positioning assembly 3 further includes a first support rod 33 and a first clamping block 34. The first support rod 33 is installed on the first sliding block 31 and extends vertically. The first clamping block 34 is slidably connected to the first support rod 33. The first mounting rod 32 is connected to the first clamping block 34. In this embodiment, the first support rod 33 is installed above the first sliding block 31. The first support rod 33 extends upward. The first clamping block 34 is sleeved on the outer periphery of the first support rod 33. The first mounting rod 32 is connected to the first clamping block 34. The first clamping block 34 can move up or down relative to the first support rod 33 to adjust the height of the first mounting rod 32 installed on the first clamping block 34, facilitating the operator to adjust the height of the microphone 300 installed on the first mounting rod 32 according to the installation requirements.

[0037] In one embodiment, the second positioning assembly 4 further includes a second support rod 43 and a second clamping block 44. The second support rod 43 is installed on the second sliding block 41 and is perpendicular to the corresponding inclined rod 24. The second clamping block 44 is slidably connected to the second support rod 43, and the second mounting rod 42 is connected to the second clamping block 44. In this embodiment, the second support rod 43 is installed above the second sliding block 41, the second support rod 43 is arranged perpendicular to the corresponding inclined rod 24, the second clamping block 44 is sleeved on the outer periphery of the second support rod 43, and the second mounting rod 42 is connected to the second clamping block 44. By moving the second clamping block 44 relative to the second mounting rod 42, the position of the second mounting rod 42 installed on the second clamping block 44 can be adjusted, facilitating the operator to adjust the position of the microphone 300 installed on the second mounting rod 42 as needed.

[0038] Based on the above embodiment, the first clamping block 34 is longitudinally provided with a first through hole 341, and the first mounting rod 32 extends into the first through hole 341 and can move longitudinally relative to the first clamping block 34; the second clamping block 44 is longitudinally provided with a second through hole 441, and the second mounting rod 42 extends into the second through hole 441 and can move longitudinally relative to the second clamping block 44. In this embodiment, by providing the first through hole 341 and the second through hole 441, and moving the first mounting rod 32 relative to the first through hole 341 and the second mounting rod 42 relative to the second through hole 441, it is convenient to adjust the positions of the first mounting rod 32 and the second mounting rod 42 in the front-rear direction, thereby adjusting the position of the microphone 300 in the front-rear direction.

[0039] In one embodiment, the first sliding block 31 is sleeved on the outer periphery of the cross bar 21, and the second sliding block 41 is sleeved on the outer periphery of the corresponding inclined rod 24. In this embodiment, the first sliding block 31 and the second sliding block 41 are both sliding sleeves 6. By using the sliding sleeves 6, the first sliding block 31 and the second sliding block 41 can move smoothly and the structure is simple. In other embodiments, the cross bar 21 may be provided with a sliding groove for sliding cooperation with the first sliding block 31, and the inclined rod 24 may be provided with a sliding groove for sliding cooperation with the corresponding second sliding block 41. The embodiments of this specification do not limit this.

[0040] In one embodiment, the base 1 includes a bottom rod 11 and a connecting rod 12. The number of the bottom rods 11 is multiple, and the multiple bottom rods 11 are arranged at intervals in the transverse direction. The connecting rod 12 extends in the transverse direction and connects the multiple bottom rods 11 respectively. In this embodiment, the connecting rod 12 and the bottom rod 11 extend in the front-rear direction, and the multiple bottom rods 11 are arranged at intervals in the left-right direction. Arranging the multiple bottom rods 11 can increase the support stability of the microphone positioning fixture 100 in this embodiment, and the connecting rod 12 functions to connect the multiple bottom rods 11. The base 1 of this embodiment is formed by connecting the connecting rod 12 and the multiple bottom rods 11, which is convenient for manufacturing and reduces the production cost.

[0041] In one embodiment, the fixture 100 for positioning the microphone further includes a reinforcing frame 5. The reinforcing frame 5 includes reinforcing rods 51 and a connecting plate 52. The two reinforcing rods 51 are arranged at intervals in the transverse direction. One end of each reinforcing rod 51 is mounted on the base 1, and the other end of the reinforcing rod 51 is connected to the vertical rod 22 through the connecting plate 52. In this embodiment, the reinforcing frame 5 includes the reinforcing rods 51 and the connecting plate 52. The number of the reinforcing rods 51 is two, and the two reinforcing rods 51 are arranged at intervals in the left-right direction, which can further increase the connection strength between the connecting plate 52 and the connecting rod 12. One end of the reinforcing rod 51 is connected to the connecting rod 12, and the other end of the reinforcing rod 51 is connected to the connecting plate 52. By connecting the vertical rod 22 to the connecting plate 52, the connection strength of the entire fixture 100 for positioning the microphone in this embodiment is enhanced.

[0042] In one embodiment, a handle 53 is provided at the top end of the connecting plate 52. In this embodiment, the handle 53 is provided at the top end of the connecting plate 52, and an operator can hold the handle 53 to move the fixture for the vertex of the microphone 300 in this embodiment, making it easier to extract and move the fixture for the vertex of the microphone 300 in this embodiment.

[0043] In one embodiment, rib plates 54 are provided at the joints between the base 1 and the cross bar 21 and between the vertical rod 22 and the cross bar 21. In this embodiment, by providing the rib plates 54, the connection strength between the base 1 and the cross bar 21 and between the vertical rod 22 and the cross bar 21 can be increased, preventing the base 1 and the cross bar 21 and the vertical rod 22 and the cross bar 21 from deforming.

[0044] The above are only exemplary embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the technical concept of the present invention by using the content of the specification and drawings of the present invention, or any direct / indirect application in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A fixed-point fixture for a microphone, characterized in that, Comprising: Base; Fixing component, the fixing component includes a cross bar, a vertical bar, a positioning bar and two inclined bars. The cross bar is installed on one side of the base and is arranged close to the bottom end of the base. The vertical bar is installed above the cross bar. The two inclined bars are horizontally arranged on both sides of the vertical bar and can move up and down relative to the vertical bar. One end of the positioning bar is connected to the two inclined bars, and the other end of the positioning bar is used to abut against the center of the wheel; First positioning component, the number of the first positioning components is two, and the two first positioning components are respectively arranged at both ends of the cross bar. The first positioning component includes a first sliding block and a first mounting rod which are connected to each other. The first sliding block is slidably connected to the cross bar, and the first mounting rod is used to mount a microphone; Second positioning component, the number of the second positioning components is two, and the two second positioning components are arranged corresponding to the two inclined bars. The second positioning component includes a second sliding block and a second mounting rod which are connected to each other. The second sliding block is slidably connected to the corresponding inclined bar, and the second mounting rod is used to mount a microphone.

2. The positioning fixture for the microphone according to claim 1, characterized in that A sliding sleeve is sleeved on the vertical bar. The sliding sleeve is slidably connected to the vertical bar and can move up and down relative to the vertical bar. The two inclined bars are respectively connected to both sides of the sliding sleeve in the horizontal direction, and the positioning bar is installed on the side of the sliding sleeve facing the wheel.

3. The fixed-point jig for the microphone according to claim 1, characterized in that, The first positioning component further includes a first support rod and a first clamping block. The first support rod is installed on the first sliding block and extends vertically. The first clamping block is slidably connected to the first support rod, and the first mounting rod is connected to the first clamping block.

4. The positioning fixture for the microphone according to claim 3, wherein The second positioning component further includes a second support rod and a second clamping block. The second support rod is installed on the second sliding block and is perpendicular to the corresponding inclined bar. The second clamping block is slidably connected to the second support rod, and the second mounting rod is connected to the second clamping block.

5. The fixture for positioning the microphone according to claim 4, characterized in that, The first clamping block is longitudinally provided with a first through hole, and the first mounting rod extends into the first through hole and can move longitudinally relative to the first clamping block; the second clamping block is longitudinally provided with a second through hole, and the second mounting rod extends into the second through hole and can move longitudinally relative to the second clamping block.

6. The fixture for positioning the microphone according to claim 4, characterized in that, The first sliding block is sleeved on the outer periphery of the cross bar, and the second sliding block is sleeved on the outer periphery of the corresponding inclined bar.

7. The fixed-point jig for the microphone according to any one of claims 1 to 6, characterized in that The base includes bottom bars and connecting rods. The number of the bottom bars is multiple, and the multiple bottom bars are horizontally arranged at intervals. The connecting rods extend horizontally and are respectively connected to the multiple bottom bars.

8. The positioning fixture for the microphone according to any one of claims 1 to 6, characterized in that The microphone fixing jig further includes a reinforcing frame. The reinforcing frame includes reinforcing bars and a connecting plate. The two reinforcing bars are horizontally arranged at intervals. One end of the reinforcing bar is installed on the base, and the other end of the reinforcing bar is connected to the vertical bar through the connecting plate.

9. The fixture for positioning the microphone according to claim 8, characterized in that, A handle is arranged at the top end of the connecting plate.

10. The fixed-point jig for the microphone according to any one of claims 1 to 6, characterized in that, Reinforcing plates are arranged at the joints of the base and the cross bar and at the joints of the vertical bar and the cross bar.

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