An intelligent road noise monitoring device for automobiles

Abstract

The present invention relates to the field of road noise monitoring, and in particular to an intelligent road noise monitoring device for automobiles. The present invention provides an intelligent road noise monitoring device for automobiles that can fix a monitor and has good stability. An intelligent road noise monitoring device for automobiles comprises a rotating frame; a first suction cup, the bottom of the rotating frame is rotatably connected with the first suction cup; a noise monitor, the front upper side of the rotating frame is slidably connected with the noise monitor; a buffer spring, the upper and lower sides of the inner rear part of the noise monitor are both connected to the front upper part of the rotating frame with buffer springs; a bracket, the front upper side of the rotating frame is connected with the bracket; a first blocking rod, the middle part of the bracket is slidably connected with the first blocking rod, the front upper side of the rotating frame is provided with an air outlet, and the rear side of the first blocking rod blocks the front upper side air outlet of the rotating frame. The present invention adsorbs the first suction cup and the second suction cup to the automobile, so that double adsorption can be achieved, the stability of the device can be improved, and the first suction cup can be prevented from accidentally loosening the automobile due to bumps, thereby affecting the detection effect.

Description

Technical Field

[0001] The present invention relates to the field of road noise monitoring, and in particular to an intelligent road noise monitoring device for an automobile. Background Art

[0002] With the rapid development of the times, people's living standards are getting higher and higher, and cars are becoming more and more popular. In the production process of cars, road noise testing is an indispensable part of verifying the performance of the whole vehicle. At present, when testing the road noise of cars, it mainly depends on the experience of engineers to make judgments and use monitors to evaluate the noise level of the vehicle. However, the monitors are usually handheld by engineers for monitoring. When the car drives to a pothole, the car will shake violently, causing the monitor to easily fall from the hand, thus affecting the monitoring results.

[0003] Therefore, it is necessary to develop an intelligent automobile road noise monitoring device that can fix the monitor and has good stability. Summary of the invention

[0004] In order to overcome the disadvantage that the monitor is easily lost from the hands of engineers when the car shakes violently, the present invention provides an intelligent road noise monitoring device for automobiles which can fix the monitor and has good stability.

[0005] To achieve the above objectives, the present invention is implemented through the following scheme: an intelligent road noise monitoring device for an automobile, comprising:

[0006] Rotating rack;

[0007] A first suction cup, a first suction cup for adsorbing a vehicle body is rotatably connected to the bottom of the rotating frame;

[0008] Noise monitor: a noise monitor is slidably connected to the upper front side of the rotating frame;

[0009] Buffer springs, both upper and lower sides of the rear part of the noise monitor are connected to the front upper part of the rotating frame;

[0010] A bracket is connected to the upper front side of the rotating frame;

[0011] A first blocking rod is slidably connected to the middle of the bracket, an air outlet is opened on the front upper side of the rotating frame, and the rear side of the first blocking rod blocks the air outlet on the front upper side of the rotating frame;

[0012] A reinforcement mechanism is connected to the rotating frame to make the first suction cup more firmly adsorbed, and the reinforcement mechanism moves downward to squeeze the first suction cup to prevent the first suction cup from accidentally loosening due to bumps;

[0013] A protective mechanism is connected to the rear side of the rotating frame for adsorbing the vehicle body. The protective mechanism adsorbs the vehicle to prevent the entire device from injuring the engineer when the first suction cup is accidentally loosened.

[0014] Optionally, the reinforcement mechanism includes:

[0015] An electric push rod is connected to the upper part of the rotating frame;

[0016] A slide rail, wherein the lower side of the rotating frame is connected with a slide rail;

[0017] The sliding frame is slidably connected to the sliding rail, the sliding frame is sleeved on the lower part of the rotating frame, and the bottom of the telescopic rod of the electric push rod is connected to the top of the sliding frame;

[0018] A reinforcement ring is connected to the bottom of the sliding frame. After the reinforcement ring moves, it contacts the first suction cup to make the first suction cup adsorb more firmly. The reinforcement ring moves downward to squeeze the first suction cup, which helps the first suction cup adsorb more firmly and prevents the first suction cup from accidentally loosening.

[0019] Optionally, the protection mechanism includes:

[0020] The support frame is rotatably connected to the lower part of the rotating frame;

[0021] A swing rod, the rear side of the support frame is rotatably connected with the swing rod;

[0022] A connecting block is rotatably connected to the rear side of the swing rod;

[0023] The adsorption component is rotatably connected to the rear side of the connecting block. The adsorption component is used to adsorb the car to prevent the entire device from injuring the engineer when the first suction cup is accidentally loosened.

[0024] Optionally, the adsorption component includes:

[0025] The second suction cup is rotatably connected to the rear side of the connecting block and is used to absorb the car body. The second suction cup absorbs the car to prevent the entire device from hitting the engineer when the first suction cup is accidentally loosened;

[0026] A sliding sleeve, wherein the lower side of the second suction cup is connected with the sliding sleeve;

[0027] A second blocking rod is slidably connected to the rear side of the sliding sleeve, an air outlet is opened at the rear lower side of the second suction cup, and the front side of the second blocking rod blocks the air outlet;

[0028] The first spring is sleeved on the rear side of the second blocking rod, and the two ends of the first spring are respectively connected to the rear side of the second blocking rod and the rear side of the sliding sleeve.

[0029] Optionally, a pushing mechanism is further included for pushing the first blocking rod to automatically block the air outlet, and the pushing mechanism includes:

[0030] A first wedge-shaped block, the front upper side of the sliding frame is connected with the first wedge-shaped block;

[0031] A fixed column, with fixed columns connected to both left and right sides of the front of the first blocking rod;

[0032] Rollers, both fixed columns are rotatably connected with rollers, the lower part of the first wedge block contacts the two rollers to push the first blocking rod to automatically block the air outlet, and the first wedge block moves downward to squeeze the roller to drive the first blocking rod to automatically move backward to block the air outlet;

[0033] The second spring is sleeved on the front part of the first blocking rod, and the two ends of the second spring are respectively connected to the front side of the first blocking rod and the front side of the bracket.

[0034] Optionally, an anti-movement mechanism for limiting the position of the noise monitor is also included, and the anti-movement mechanism includes:

[0035] A slide bar is connected to the right side of the upper front part of the rotating frame;

[0036] The slide bar is slidably connected with a slide bar for limiting the position of the noise monitor. A hole is provided on the right rear side of the noise monitor. The left side of the slide bar is inserted into the hole. The slide bar is inserted into the hole to limit the position of the noise monitor, so as to prevent the noise monitor from shaking when checking the data.

[0037] The third spring is sleeved on the right side of the slide bar, and the two ends of the third spring are respectively connected with the slide bar and the clamping column.

[0038] Optionally, it also includes a push-out mechanism for driving the clamping column to move automatically, and the push-out mechanism includes:

[0039] A support column, a rear side of the clamping column is connected with a support column;

[0040] A roller is rotatably connected to the support column;

[0041] A second wedge block is connected to the right side of the top of the first wedge block. The second wedge block contacts the roller to drive the column to move automatically. The roller is squeezed by the second wedge block to drive the column to automatically separate from the noise monitor.

[0042] Optionally, a locking mechanism for positioning the rotating frame is also included, and the locking mechanism includes:

[0043] A threaded sleeve, a threaded sleeve is connected to the front lower side of the rotating frame;

[0044] Screw, the threaded sleeve is internally threadedly connected with a screw;

[0045] The friction block is connected to the lower part of the rotating frame, and the rear side of the screw rod contacts the friction block to position the rotating frame. The rotating frame is limited by rotating the screw rod to move backward and contact the friction block to prevent the rotating frame from rotating by itself.

[0046] The present invention has at least one of the following advantages: the present invention adsorbs the car by the first suction cup and the second suction cup, thus achieving double adsorption, improving the stability of the device and preventing the first suction cup from accidentally loosening from the car due to bumps, thereby affecting the detection effect; by driving the first wedge block to automatically separate from the air outlet, thus eliminating the need for staff to manually control the first blocking rod to move to block the air outlet or no longer block the air outlet, thereby reducing operational troubles; under the resetting action of the third spring, the clamping column is driven to automatically move backwards and snap into the clamping hole, so that the clamping column limits the noise monitor, facilitating viewing of data on the noise monitor, thus eliminating the need to manually control the movement of the clamping column and enabling relatively simple operation; by rotating the screw rod to move backwards, the screw rod is pressed against the friction block, thus enabling the rotating frame to be positioned and preventing the rotating frame from rotating as the car travels, thereby affecting the stability of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0048] Figure 2 It is a partial three-dimensional structural schematic diagram of the present invention.

[0049] Figure 3 It is a schematic diagram of the three-dimensional structure of the reinforcement mechanism of the present invention.

[0050] Figure 4 It is a three-dimensional structural schematic diagram of the protection mechanism of the present invention.

[0051] Figure 5 It is a partial three-dimensional structural schematic diagram of the protection mechanism of the present invention.

[0052] Figure 6 It is a three-dimensional structural schematic diagram of the pushing mechanism of the present invention.

[0053] Figure 7 It is a partial three-dimensional structural schematic diagram of the pushing mechanism of the present invention.

[0054] Figure 8 It is a schematic diagram of the three-dimensional structure of the anti-movement mechanism of the present invention.

[0055] Fig. 9 It is a three-dimensional structural schematic diagram of the ejection mechanism of the present invention.

[0056] Fig.10 It is a schematic diagram of the three-dimensional structure of the locking mechanism of the present invention.

[0057] Explanation of the accompanying drawings: 1_first suction cup, 2_rotating frame, 3_noise monitor, 31_buffer spring, 4_bracket, 5_first blocking rod, 6_reinforcement mechanism, 61_electric push rod, 62_slide rail, 63_sliding frame, 64_reinforcement ring, 7_protection mechanism, 71_support frame, 72_swing rod, 73_connecting block, 74_second suction cup, 75_second blocking rod, 76_first spring, 77_sliding sleeve, 8_pushing mechanism, 81_first wedge block, 82_fixing column, 83_roller, 84_second spring, 9_anti-movement mechanism, 91_slide rod, 92_stuck column, 93_third spring, 10_push-out mechanism, 101_pillar, 102_roller, 103_second wedge block, 11_locking mechanism, 111_threaded sleeve, 112_screw, 113_friction block. DETAILED DESCRIPTION

[0058] The following descriptions are merely preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention.

[0059] Example 1

[0060] An intelligent road noise monitoring device for an automobile, such as Figure 1 and Figure 2 As shown, it includes a first suction cup 1, a rotating frame 2, a noise monitor 3, a buffer spring 31, a bracket 4, a first blocking rod 5, a reinforcement mechanism 6 and a protective mechanism 7. The first suction cup 1 is rotatably connected to the bottom of the rotating frame 2, and the first suction cup 1 is used to adsorb the vehicle body. The noise monitor 3 is slidably connected to the front upper side of the rotating frame 2. The upper and lower sides of the inner rear part of the noise monitor 3 are connected to the front upper part of the rotating frame 2 with a buffer spring 31. The rotating frame 2 is welded to the front upper side of the rotating frame 2, and the middle part of the bracket 4 is slidably connected to the first blocking rod 5. The rotating frame 2 is provided with an air outlet on the front upper side, and the rear side of the first blocking rod 5 blocks the air outlet on the front upper side of the rotating frame 2. The rotating frame 2 is connected with a reinforcement mechanism 6, and the reinforcement mechanism 6 is used to make the first suction cup 1 adsorb more firmly. The rear side of the rotating frame 2 is connected with a protective mechanism 7, and the protective mechanism 7 is used to adsorb the vehicle body.

[0061] like Figure 1 and Figure 3 As shown, the reinforcement mechanism 6 includes an electric push rod 61, a slide rail 62, a sliding frame 63 and a reinforcement ring 64. The electric push rod 61 is connected to the upper part of the rotating frame 2, the slide rail 62 is welded to the lower side of the rotating frame 2, the sliding frame 63 is slidably connected to the slide rail 62, the sliding frame 63 is sleeved on the lower part of the rotating frame 2, the bottom of the telescopic rod of the electric push rod 61 is connected to the top of the sliding frame 63, and the bottom of the sliding frame 63 is welded to the reinforcement ring 64. After the reinforcement ring 64 moves, it contacts the first suction cup 1 to make the first suction cup 1 adsorbed more firmly.

[0062] like Figure 1 , Figure 4 and Figure 5As shown, the protection mechanism 7 includes a support frame 71, a swing rod 72, a connecting block 73 and an adsorption assembly. The lower part of the rotating frame 2 is rotatably connected to the support frame 71, the rear side of the support frame 71 is hinged with the swing rod 72, the rear side of the swing rod 72 is hinged with the connecting block 73, and the rear side of the connecting block 73 is hinged with the adsorption assembly, which is used to adsorb the car.

[0063] like Figure 1 , Figure 4 and Figure 5 As shown, the adsorption assembly includes a second suction cup 74, a sliding sleeve 77, a second blocking rod 75 and a first spring 76. The second suction cup 74 is hinged on the rear side of the connecting block 73, and the second suction cup 74 is used for adsorbing the vehicle body. The lower side of the second suction cup 74 is connected to the sliding sleeve 77, and the rear side of the sliding sleeve 77 is slidably connected to the second blocking rod 75. An air outlet is opened on the lower rear side of the second suction cup 74, and the air outlet is blocked on the front side of the second blocking rod 75. The rear side of the second blocking rod 75 is sleeved with the first spring 76, and both ends of the first spring 76 are respectively connected to the rear side of the second blocking rod 75 and the rear side of the sliding sleeve 77.

[0064] When in use, the first suction cup 1 is adsorbed at any position in the car, and then the electric push rod 61 is started. The telescopic rod of the electric push rod 61 is extended to drive the sliding frame 63 and the reinforcement ring 64 to move downward, so that the reinforcement ring 64 squeezes the first suction cup 1, so that the first suction cup 1 can be adsorbed more firmly to prevent the first suction cup 1 from being easily loosened due to bumps. At the same time, the second suction cup 74 is also adsorbed in the car, so that double adsorption can be achieved with better stability. At the same time, it can prevent the first suction cup 1 from accidentally releasing the car. The second suction cup 74 can also limit the entire device to prevent the device from detaching from the car and injuring the engineer, and can also prevent the noise monitor 3 from being damaged. When the noise monitor 3 is monitoring the noise, the car will vibrate violently when encountering a pothole during driving. At this time, the buffer spring 31 plays a buffering role here, and at the same time, the noise monitor 3 is shock-absorbing to prevent the noise monitor 3 The second blocking rod 75 is manually pulled back to block the air outlet.

[0065] Example 2

[0066] On the basis of Example 1, Figure 1 , Figure 6 and Figure 7 As shown, it also includes a pushing mechanism 8, which is used to push the first blocking rod 5 to automatically block the air outlet. The pushing mechanism 8 includes a first wedge block 81, a fixed column 82, a roller 83 and a second spring 84. The first wedge block 81 is fixedly connected to the upper front side of the sliding frame 63 through a screw 112. Fixed columns 82 are welded on the left and right sides of the front of the first blocking rod 5. The two fixed columns 82 are rotatably connected with rollers 83. The lower part of the first wedge block 81 contacts with the two rollers 83 to push the first blocking rod 5 to automatically block the air outlet. The front part of the first blocking rod 5 is covered with a second spring 84, and the two ends of the second spring 84 are respectively connected to the front side of the first blocking rod 5 and the front side of the bracket 4. When the sliding frame 63 moves downward, it drives the first wedge block 81 to move downward, and the first wedge block 81 moves downward to squeeze the roller 83, driving the roller 83 and the fixed column 82 to move backward, thereby driving the first blocking rod 5 to move backward to block the air outlet. At this time, the second spring 84 is compressed, so that the first suction cup 1 is adsorbed on the car. When the sliding frame 63 moves upward and resets, it drives the first wedge block 81 to move upward and reset. At this time, the second spring 84 is reset, driving the first blocking rod 5, the fixed column 82 and the roller 83 to move forward and reset, so that the first blocking rod 5 no longer blocks the air outlet. In this way, there is no need for the staff to manually control the first blocking rod 5 to move to block the air outlet or control the first blocking rod 5 to no longer block the air outlet, thereby reducing the operation trouble.

[0067] like Figure 1 and Figure 8 As shown, an anti-movement mechanism 9 is also included, which is used to limit the noise monitor 3. The anti-movement mechanism 9 includes a slide bar 91, a clamping column 92 and a third spring 93. A slide bar 91 is welded to the right side of the upper front part of the rotating frame 2, and a clamping column 92 is slidably connected to the slide bar 91. The clamping column 92 is used to limit the noise monitor 3. A clamping hole is opened on the right rear side of the noise monitor 3, and the left side of the clamping column 92 is clamped into the clamping hole. The third spring 93 is sleeved on the right side of the slide bar 91, and the two ends of the third spring 93 are respectively connected to the slide bar 91 and the clamping column 92. When the car is driving, first pull the clamping column 92 to the right to separate it from the clamping hole. At this time, the third spring 93 is compressed, so that the noise monitor 3 monitors the noise when the car is driving. If you need to check the data on the noise monitor 3, release the clamping column 92. At this time, the third spring 93 resets and drives the clamping column 92 to move to the left and reset it into the clamping hole to limit the noise monitor 3, preventing the noise monitor 3 from shaking up and down, affecting the viewing of the data on the noise monitor 3.

[0068] like Figure 1 and Fig. 9As shown, it also includes an ejection mechanism 10, which is used to drive the column 92 to move automatically. The ejection mechanism 10 includes a pillar 101, a roller 102 and a second wedge block 103. The pillar 101 is welded to the rear side of the column 92, and the roller 102 is rotatably connected to the pillar 101. The second wedge block 103 is fixedly connected to the right side of the top of the first wedge block 81 through a screw 112. The second wedge block 103 is in contact with the roller 102 to drive the column 92 to move automatically. When the first wedge block 81 moves downward, it drives the second wedge block 103 to move downward, and the second wedge block 103 squeezes the roller 102 to move rightward, driving the pillar 101 and the clamping column 92 to move rightward, so that the clamping column 92 is separated from the clamping hole. In this way, the noise monitor 3 can be prevented from vibrating during the driving of the car. When the first wedge block 81 moves upward and resets, it drives the second wedge block 103 to move upward and reset, so that the clamping column 92 automatically moves backward and resets under the reset action of the third spring 93 and is clamped into the clamping hole to limit the noise monitor 3, making it easy to view the data on the noise monitor 3. In this way, there is no need to manually control the movement of the clamping column 92, and the operation is relatively simple.

[0069] like Figure 1 and Fig.10 As shown, the locking mechanism 11 is also included. The locking mechanism 11 is used to position the rotating frame 2. The locking mechanism 11 includes a threaded sleeve 111, a screw rod 112 and a friction block 113. The threaded sleeve 111 is connected to the front lower side of the rotating frame 2. The screw rod 112 is threadedly connected inside the threaded sleeve 111. The friction block 113 is connected to the lower part of the rotating frame 2. The rear side of the screw rod 112 contacts the friction block 113 to position the rotating frame 2. During the inspection, the screw rod 112 is manually rotated to move backward so that the screw rod 112 is against the friction block 113, thereby achieving the purpose of positioning the rotating frame 2, preventing the rotating frame 2 from rotating with the driving of the car when the noise monitor 3 is working, thereby affecting the stability of the entire device. When it is necessary to check the data on the noise monitor 3, the screw rod 112 is reversed to separate the screw rod 112 from the friction block 113, and then the rotating frame 2 is rotated again so that the noise monitor 3 faces the engineer, which is convenient for checking the data on the noise monitor 3.

[0070] It should be understood that the above description is only for exemplary purposes and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention will be included within the scope of the claims herein.

Claims

1. An intelligent road noise monitoring device for automobiles, characterized in that it comprises: Rotating frame (2); The first suction cup (1) is rotatably connected to the bottom of the rotating frame (2) to be used for adsorbing the vehicle body; A noise monitor (3) is slidably connected to the front upper side of the rotating frame (2); A buffer spring (31), wherein both upper and lower sides of the inner rear portion of the noise monitor (3) are connected to the front upper portion of the rotating frame (2) with a buffer spring (31); A bracket (4), the upper front side of the rotating frame (2) being connected to the bracket (4); A first blocking rod (5), the middle part of the bracket (4) is slidably connected with the first blocking rod (5), an air outlet is opened on the front upper side of the rotating frame (2), and the rear side of the first blocking rod (5) blocks the air outlet on the front upper side of the rotating frame (2); A reinforcing mechanism (6), the rotating frame (2) is connected with a reinforcing mechanism (6) for making the first suction cup (1) more firmly adsorbed, the reinforcing mechanism (6) moving downward to squeeze the first suction cup (1) to prevent the first suction cup (1) from accidentally loosening due to bumps; A protective mechanism (7) is connected to the rear side of the rotating frame (2) to absorb the vehicle body. The protective mechanism (7) absorbs the vehicle to prevent the first suction cup (1) from accidentally loosening and causing the entire device to injure the engineer. The reinforcement mechanism (6) comprises: An electric push rod (61), the upper part of the rotating frame (2) is connected to the electric push rod (61); A slide rail (62), the lower side of the rotating frame (2) is connected to the slide rail (62); A sliding frame (63) is slidably connected to the slide rail (62), the sliding frame (63) is sleeved on the lower part of the rotating frame (2), and the bottom of the telescopic rod of the electric push rod (61) is connected to the top of the sliding frame (63); A reinforcement ring (64) is connected to the bottom of the sliding frame (63). After the reinforcement ring (64) moves, it contacts the first suction cup (1) to make the first suction cup (1) more firmly adsorbed. The reinforcement ring (64) moves downward to squeeze the first suction cup (1), thereby assisting the first suction cup (1) to be more firmly adsorbed and preventing the first suction cup (1) from accidentally loosening.

2. The intelligent road noise monitoring device for automobiles according to claim 1 is characterized in that: The protection mechanism (7) comprises: A support frame (71), the lower part of the rotating frame (2) is rotatably connected to the support frame (71); A swing rod (72), the rear side of the support frame (71) is rotatably connected to the swing rod (72); A connecting block (73), the rear side of the swing rod (72) is rotatably connected to the connecting block (73); The adsorption component is rotatably connected to the rear side of the connection block (73), and the adsorption component is used to adsorb the car to prevent the entire device from hitting the engineer when the first suction cup (1) is accidentally loosened.

3. The intelligent road noise monitoring device for automobiles according to claim 2 is characterized in that: The adsorption components include: A second suction cup (74), the rear side of the connection block (73) is rotatably connected with a second suction cup (74) for adsorbing the vehicle body, and the vehicle is adsorbed by the second suction cup (74) to prevent the first suction cup (1) from accidentally loosening and causing the entire device to injure the engineer; A sliding sleeve (77), the lower side of the second suction cup (74) being connected to the sliding sleeve (77); A second blocking rod (75), the rear side of the sliding sleeve (77) is slidably connected with the second blocking rod (75), the rear lower side of the second suction cup (74) is provided with an air outlet, and the front side of the second blocking rod (75) blocks the air outlet; A first spring (76) is sleeved on the rear side of the second blocking rod (75), and two ends of the first spring (76) are respectively connected to the rear side of the second blocking rod (75) and the rear side of the sliding sleeve (77).

4. The intelligent road noise monitoring device for automobiles according to claim 3 is characterized in that: It also includes a pushing mechanism (8) for pushing the first blocking rod (5) to automatically block the air outlet, and the pushing mechanism (8) includes: A first wedge block (81), the front upper side of the sliding frame (63) being connected to the first wedge block (81); A fixed column (82), the left and right sides of the front of the first blocking rod (5) are connected to the fixed column (82); Rollers (83), the two fixed columns (82) are both rotatably connected with rollers (83), the lower part of the first wedge block (81) contacts the two rollers (83) and is used to push the first blocking rod (5) to automatically block the air outlet, and the first wedge block (81) moves downward to squeeze the roller (83) and is used to drive the first blocking rod (5) to automatically move backward to block the air outlet; A second spring (84) is sleeved on the front of the first blocking rod (5), and two ends of the second spring (84) are respectively connected to the front side of the first blocking rod (5) and the front side of the bracket (4).

5. The intelligent road noise monitoring device for automobiles according to claim 4 is characterized in that: It also includes an anti-movement mechanism (9) for limiting the position of the noise monitor (3), and the anti-movement mechanism (9) includes: A slide bar (91) is connected to the right side of the upper front portion of the rotating frame (2); A clamping column (92) is slidably connected to the slide bar (91) and is used to limit the position of the noise monitor (3). A clamping hole is opened on the right rear side of the noise monitor (3). The left side of the clamping column (92) is clamped into the clamping hole. The clamping column (92) is clamped into the clamping hole to limit the position of the noise monitor (3), so as to prevent the noise monitor (3) from shaking when checking data. A third spring (93) is sleeved on the right side of the slide bar (91), and two ends of the third spring (93) are respectively connected to the slide bar (91) and the clamping column (92).

6. The intelligent road noise monitoring device for automobiles according to claim 5 is characterized in that: It also includes an ejection mechanism (10) for driving the clamping column (92) to automatically move, and the ejection mechanism (10) includes: A support column (101), the rear side of the clamp column (92) being connected to the support column (101); A roller (102), the support (101) being rotatably connected to the roller (102); A second wedge block (103) is connected to the right side of the top of the first wedge block (81), and the second wedge block (103) is in contact with the roller (102) to drive the clamping column (92) to move automatically. The second wedge block (103) squeezes the roller (102) to drive the clamping column (92) to automatically separate from the noise monitor (3).

7. The intelligent road noise monitoring device for automobiles according to claim 1 is characterized in that: It also includes a locking mechanism (11) for positioning the rotating frame (2), and the locking mechanism (11) includes: A threaded sleeve (111), the front lower side of the rotating frame (2) being connected to the threaded sleeve (111); A screw rod (112), the screw sleeve (111) is internally threadedly connected with the screw rod (112); The friction block (113) is connected to the lower part of the rotating frame (2), and the rear side of the screw rod (112) contacts the friction block (113) for positioning the rotating frame (2). The rotating frame (2) is limited by rotating the screw rod (112) to move backward and contact the friction block (113), thereby preventing the rotating frame (2) from rotating by itself.

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