Asphalt pavement noise detection device

Abstract

The utility model discloses an asphalt pavement noise detection device which comprises a bottom plate, a supporting column, a connecting column, a top plate, a driving structure, an annular groove and an asphalt pavement, the asphalt pavement noise detection device is provided with the driving structure to control the extension of an electric push rod, can simulate the load of a tire on the asphalt pavement, and can detect the noise of the asphalt pavement by controlling the rotation of a motor. The purpose of simulating running of the tire on the asphalt pavement is achieved, real-time noise data of the tire can be monitored through an externally-arranged noise monitor and fed back to an external display screen, and limiting of a limiting structure is relieved by pressing a push plate leftwards with one hand and moving a guide block leftwards; the six groups of limiting structures are contracted and gathered through the rebound resilience of the circular springs, the fixing blocks are moved rightwards by one hand, the fixing structures can be taken down, the effect of conveniently disassembling and assembling the tires is achieved, the noise detection efficiency of the tires of different models is improved, and use is convenient.

Description

Technical Field

[0001] The utility model relates to the field of road material detection, in particular to an asphalt road surface noise detection device. Background Art

[0002] In recent years, the development of highway transportation has driven the rapid economic development of the areas it passes through. The development of transportation and economy has played a role of mutual support and promotion. With the increasing mileage, traffic volume and driving speed of highways, the degree and scope of interference of highway traffic noise pollution on the normal life, work, study and rest environment of residents along the line have also intensified and expanded.

[0003] The Chinese patent with the patent number CN207779547U discloses a "noise test device for drainage asphalt pavement", which includes a base, a support foot with adjustable height arranged at the bottom of the base, a transmission control system, an environmental simulation system and a noise detection system. It does not require special, large-scale, and separate paving of the test pavement, but only needs to pave a small amount of drainage asphalt pavement material on the pavement paving area on the base according to the design requirements. It has the advantages of small amount of pavement material and does not occupy the existing pavement. If the test pavement material needs to be replaced, it only needs to clean the test material paved on the pavement paving area of ​​the base and then re-pave the new test pavement material. It has the characteristics of high test efficiency and low test cost.

[0004] Although the above-mentioned noise testing device for drainage asphalt pavement has certain advantages in noise detection capability, it is not convenient to replace tires, resulting in inconvenience in noise detection of tires of different models, which in turn makes the detection time-consuming, inconvenient to use, and has low practicality. Utility Model Content

[0005] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides an asphalt road surface noise detection device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an asphalt pavement noise detection device, comprising a base plate, a supporting column, a connecting column, a top plate, a driving structure, an annular groove and an asphalt pavement, the lower end surface of the base plate is installed with a supporting column, the upper end surface of the base plate is installed with a connecting column, the upper end of the connecting column is installed with a top plate, the middle part of the upper end surface of the top plate is installed with a driving structure, the middle part of the upper end surface of the base plate is provided with an annular groove, the inner wall of the annular groove is in contact with the asphalt pavement, the driving structure comprises an electric push rod, an outer shell, a motor, a rotating shaft and a mounting structure, the lower end of the electric push rod passes through the top plate and is fixedly connected to the outer shell, the lower end surface of the inner wall of the outer shell is installed with a motor, the output end of the motor is transmission-connected to the rotating shaft, the outer side of the rotating shaft is installed with a mounting structure, and the electric push rod is installed on the top plate.

[0007] Optionally, the mounting structure includes a rotating column, a limit block, a tire, a first circular groove, a second circular groove, a third circular groove and a fixed structure, the right outer wall of the rotating column is mounted on the limit block, and the right end face of the limit block is in contact with the tire, a first circular groove is provided in the middle of the right end face of the rotating column, a second circular groove is provided in the middle of the left end face of the first circular groove, and a third circular groove is provided on the left side of the first circular groove, the right end face of the tire is in contact with the fixed structure, and the rotating column is mounted on a rotating shaft.

[0008] Optionally, the fixed structure includes a fixed block, a straight rod, a spring, a push plate, a guide block and a limiting structure, the middle part of the fixed block is penetrated by the straight rod, a spring is arranged on the right side of the straight rod, and the right end face of the fixed block is elastically connected to the push plate through the spring, the push plate is installed on the straight rod, a guide block is installed on the left end of the straight rod, a limiting structure is arranged on the upper side of the left end face of the fixed block, and the left end face of the fixed block is in contact with the tire.

[0009] Optionally, the limiting structure includes a rectangular groove, a limiting rod, a clamping plate, a clamping block and an arc groove, a limiting rod is installed in the middle of the inner wall of the rectangular groove, a clamping plate passes through the upper side of the limiting rod, a clamping block is installed on the left side of the upper end surface of the clamping plate, an arc groove is opened in the middle of the upper end surface of the clamping plate, and the clamping block is slidably matched with the third circular groove.

[0010] Optionally, the tire is arranged on the upper side of the asphalt road surface to facilitate the tire to move downward and contact the asphalt road surface.

[0011] Optionally, the right side diameter of the guide block decreases from left to right, which is conducive to expanding and limiting the six groups of limiting structures through the guide block.

[0012] Optionally, the limiting structures are arranged in six groups in an array with the straight rod as the center, and the inner wall of the arc-shaped groove is provided with a circular spring, so that the six groups of limiting structures can be driven to shrink and move closer by the circular spring.

[0013] Beneficial effects of the utility model:

[0014] The utility model discloses an asphalt road noise detection device. By setting a driving structure and controlling the extension of an electric push rod, the load generated by a tire on an asphalt road can be simulated. By controlling the rotation of a motor, the purpose of simulating the tire running on an asphalt road can be achieved. By using an externally arranged noise monitor, real-time noise data of the tire can be monitored and fed back to an external display screen. By pressing a push plate to the left with one hand, a guide block moves to the left to release the limit of a limit structure. Six groups of limit structures shrink and gather through the resilience of a circular spring. By moving a fixed block to the right with one hand, the fixed structure can be removed, thereby achieving the effect of facilitating the disassembly and assembly of the tire, improving the noise detection efficiency of tires of different models, and facilitating use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the drive structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the installation structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the limiting structure of the utility model.

[0020] Among them: bottom plate-1, support column-2, connecting column-3, top plate-4, driving structure-5, annular groove-6, asphalt pavement-7, electric push rod-51, shell-52, motor-53, rotating shaft-54, mounting structure-55, rotating column-551, limiting block-552, tire-553, first circular groove-554, second circular groove-555, third circular groove-556, fixing structure-557, fixing block-5571, straight rod-5572, spring-5573, push plate-5574, guide block-5575, limiting structure-5576, rectangular groove-55761, limiting rod-55762, clamping plate-55763, clamping block-55764, arc groove-55765, circular spring-55766. DETAILED DESCRIPTION

[0021] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0022] See also Figure 1 , Figure 2 and Figure 3 The utility model provides an asphalt pavement noise detection device, comprising a bottom plate 1, a support column 2, a connecting column 3, a top plate 4, a driving structure 5, an annular groove 6 and an asphalt pavement 7. The support column 2 is installed on the lower end surface of the bottom plate 1, the connecting column 3 is installed on the upper end of the bottom plate 1, the top plate 4 is installed on the upper end of the connecting column 3, the driving structure 5 is installed in the middle of the upper end surface of the top plate 4, an annular groove 6 is opened in the middle of the upper end surface of the bottom plate 1, and the inner wall of the annular groove 6 is in contact with the asphalt pavement 7. The driving structure 5 comprises an electric push rod 51, a shell 52, a motor 53, a rotating shaft 54 ​​and a mounting structure 55. The lower end of the electric push rod 51 passes through the top plate 4 and is fixedly connected to the shell 52. The motor 53 is installed on the lower end surface of the inner wall of the shell 52. The output end of the motor 53 is transmission-connected with the rotating shaft 54, and the outer side of the rotating shaft 54 ​​is installed with the mounting structure 55. The electric push rod 6 is installed on the top plate 4.

[0023] See also Figure 4The utility model provides an asphalt road noise detection device, the installation structure 55 includes a rotating column 551, a limit block 552, a tire 553, a first circular groove 554, a second circular groove 555, a third circular groove 556 and a fixing structure 557, the right outer wall of the rotating column 551 is installed on the limit block 552, and the right end face of the limit block 552 is in contact with the tire 553, the middle part of the right end face of the rotating column 551 is provided with a first circular groove 554, the middle part of the left end face of the first circular groove 554 is provided with a second circular groove 555, and the left side of the first circular groove 554 is provided with a third circular groove 556, the right end face of the tire 553 is in contact with the fixing structure 557, the rotating column 551 is installed on the rotating shaft 54, and the fixing structure 557 includes a fixing block 5571, a straight rod 5572, a spring 5573, a push rod 5574, a push rod 5575, a push rod 5576, a push rod 5577, a push rod 5578, a push rod 5579, a push rod 5580, a push rod 5581, a push rod 5582, a push rod 5583, a push rod 5584, a push rod 5585, a push rod 5586, a push rod 5587, a push rod 5588, a push rod 5589, a push rod 5590, a push rod 5591, a push rod 5592, a push rod 5593, a push rod 5594, a push rod 5595, a push rod 5596, a push rod 5597, a push rod 5598, a push rod Plate 5574, guide block 5575 and limiting structure 5576, the middle part of the fixed block 5571 is penetrated by the straight rod 5572, a spring 5573 is arranged on the right side of the straight rod 5572, and the right end face of the fixed block 5571 is elastically connected with the push plate 5574 through the spring 5573, the push plate 5574 is installed on the straight rod 5572, and the left end of the straight rod 5572 is installed with a guide block 5575, a limiting structure 5576 is arranged on the upper side of the left end face of the fixed block 5571, the left end face of the fixed block 5571 is in contact with the tire 553, and the tire 553 is arranged on the upper side of the asphalt pavement 7, so that the tire 553 can move down and contact with the asphalt pavement, and the right side diameter of the guide block 5575 decreases from left to right, which is conducive to the expansion and limiting of the six groups of limiting structures 5576 by the guide block 5575.

[0024] See also Figure 5 The utility model provides an asphalt pavement noise detection device, wherein a limiting structure 5576 comprises a rectangular groove 55761, a limiting rod 55762, a clamping plate 55763, a clamping block 55764 and an arc groove 55765, a limiting rod 55762 is installed in the middle of the inner wall of the rectangular groove 55761, a clamping plate 55763 penetrates the upper side of the limiting rod 55762, a clamping block 55764 is installed on the left side of the upper end surface of the clamping plate 55763, an arc groove 55765 is opened in the middle of the upper end surface of the clamping plate 55763, the clamping block 55764 is slidably matched with the third circular groove 556, and the limiting structure 5576 is arranged in an array with six groups with the straight rod 5572 as the center, and a circular spring 55766 is installed on the inner wall of the arc groove 55765, so that the six groups of limiting structures 5576 can be driven to shrink and approach by the circular spring 55766.

[0025] Here’s how it works:

[0026] First, the novel device is placed next to the noise monitor, and the electric push rod 51 is controlled to extend, the electric push rod 51 drives the housing 52 to move downward, the housing 52 drives the motor 53 to move downward, the motor 53 drives the rotating shaft 54 ​​to move downward, and the rotating shaft 54 ​​drives the tire 553 to move downward through the rotating column 551, so as to simulate the load generated by the tire 553 on the asphalt road surface;

[0027] Second, by controlling the motor 53 to rotate, the output end of the motor 53 drives the rotating shaft 54 ​​to rotate, and the rotating shaft 54 ​​drives the rotating column 551 to rotate, so as to achieve the purpose of simulating the tire driving on the asphalt road surface. The noise generated by the contact between the tire 553 and the asphalt road surface 7 is fed back to the display screen through the external noise detector, thereby achieving the effect of detecting the noise of the asphalt road surface 7.

[0028] Third, after the detection is completed, stop the rotation of the motor 53, control the electric push rod 51 to move upward, and use one hand to push the push plate 5574 to the left, so that the push plate 5574 drives the straight rod 5572 to move to the left, and the push plate 5574 squeezes the spring 5573 to make the spring 5573 shrink, and the straight rod 5572 drives the guide block 5575 to move to the left, and the guide block 5575 slides to the inside of the second circular groove 555. The resilience of the circular spring 55766 is used to make the circular spring 55766 drive the card plates 55763 of the six groups of limiting structures 5576 to move closer under the limit of the limiting rod 55762, and the card plates 55763 respectively drive the card blocks 55764 to move, and the card blocks 55764 are separated from the third circular groove 556. At this time, the other hand moves the fixed block 5571 to the right to take out the fixed structure 557, thereby achieving the effect of facilitating the disassembly and assembly of the tire and improving the noise detection efficiency of tires of different models.

[0029] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0030] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0031] The above description is only a preferred example of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An asphalt road noise detection device, comprising a base plate (1), a support column (2), a connecting column (3) and a top plate (4), wherein the support column (2) is mounted on the lower end surface of the base plate (1), the connecting column (3) is mounted on the upper end surface of the base plate (1), and the top plate (4) is mounted on the upper end of the connecting column (3); Features: The invention also comprises a driving structure (5), an annular groove (6) and an asphalt pavement (7). The driving structure (5) is installed in the middle of the upper end surface of the top plate (4). The annular groove (6) is opened in the middle of the upper end surface of the bottom plate (1). The inner wall of the annular groove (6) is in contact with the asphalt pavement (7). The driving structure (5) comprises an electric push rod (51), an outer shell (52), a motor (53), a rotating shaft (54) and a mounting structure (55). The lower end of the electric push rod (51) passes through the top plate (4) and is fixedly connected to the outer shell (52). The motor (53) is installed on the lower end surface of the inner wall of the outer shell (52). The output end of the motor (53) is transmission-connected to the rotating shaft (54). The outer side of the rotating shaft (54) is equipped with a mounting structure (55). The electric push rod (51) is installed on the top plate (4).

2. The asphalt road noise detection device according to claim 1, characterized in that: The mounting structure (55) comprises a rotating column (551), a limiting block (552), a tire (553), a first circular groove (554), a second circular groove (555), a third circular groove (556) and a fixing structure (557); the right outer wall of the rotating column (551) is mounted on the limiting block (552), and the right end face of the limiting block (552) is in contact with the tire (553); a first circular groove (554) is provided in the middle of the right end face of the rotating column (551); a second circular groove (555) is provided in the middle of the left end face of the first circular groove (554); and a third circular groove (556) is provided on the left side of the first circular groove (554); the right end face of the tire (553) is in contact with the fixing structure (557); and the rotating column (551) is mounted on the rotating shaft (54).

3. The asphalt road noise detection device according to claim 2, characterized in that: The fixing structure (557) comprises a fixing block (5571), a straight rod (5572), a spring (5573), a push plate (5574), a guide block (5575) and a limiting structure (5576); the middle part of the fixing block (5571) is penetrated by the straight rod (5572); a spring (5573) is arranged on the right side of the straight rod (5572); the right end face of the fixing block (5571) is elastically connected to the push plate (5574) through the spring (5573); the push plate (5574) is mounted on the straight rod (5572); the left end of the straight rod (5572) is mounted with a guide block (5575); the upper side of the left end face of the fixing block (5571) is provided with a limiting structure (5576); the left end face of the fixing block (5571) is in contact with the tire (553).

4. The asphalt road noise detection device according to claim 3, characterized in that: The limiting structure (5576) comprises a rectangular groove (55761), a limiting rod (55762), a clamping plate (55763), a clamping block (55764) and an arc groove (55765); a limiting rod (55762) is installed in the middle of the inner wall of the rectangular groove (55761); a clamping plate (55763) penetrates the upper side of the limiting rod (55762); a clamping block (55764) is installed on the left side of the upper end surface of the clamping plate (55763); an arc groove (55765) is opened in the middle of the upper end surface of the clamping plate (55763); and the clamping block (55764) is slidably matched with the third circular groove (556).

5. The asphalt road noise detection device according to claim 2, characterized in that: The tire (553) is arranged on the upper side of the asphalt pavement (7).

6. The asphalt road noise detection device according to claim 3, characterized in that: The right side diameter of the guide block (5575) decreases from left to right.

7. The asphalt road noise detection device according to claim 4, characterized in that: The limiting structures (5576) are arranged in six groups in an array with the straight rod (5572) as the center of the circle, and a circular spring (55766) is mounted on the inner wall of the arc-shaped groove (55765).

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