CN114659480A

CN114659480A - Paving thickness measuring device

Info

Publication number: CN114659480A
Application number: CN202210429432.9A
Authority: CN
Inventors: 刘廷杰; 邓合一; 于海超; 朱海洋; 赵伟忠
Original assignee: Kunshan Traffic Engineering Development Center
Current assignee: Kunshan Traffic Engineering Development Center
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-06-24
Anticipated expiration: 2042-04-22
Also published as: CN114659480B

Abstract

The invention relates to the technical field of pavers, in particular to a paving thickness measuring device which comprises two mounting frames, wherein a first slide rail, a supporting arm and a driving assembly are arranged on the two mounting frames, a second slide rail, a plurality of shearing fork pieces, a plurality of detection assemblies and an adjusting assembly are arranged at the bottom of the supporting arm, all the shearing fork pieces comprise two connecting rods, the detection assemblies below the supporting arm are adjusted to be at a proper measuring height through the driving assembly to ensure the measuring precision, the detection assemblies can be matched with pavements of different paving sizes of a paver through the adjusting assembly to expand the detection area, the adaptability of the detecting device is improved, the distances between every two adjacent detection assemblies are equal, the detecting precision is guaranteed, finally, the measuring data on the detection assemblies are compared to analyze, the measuring precision is further guaranteed, and the detection assemblies on the two mounting frames are used for simultaneously measuring the pavements before and pavements after paving And measuring to obtain the measured thickness.

Description

Paving thickness measuring device

Technical Field

The invention relates to the technical field of pavers, in particular to a paving thickness measuring device.

Background

Traditional paver needs to measure the thickness that paves when the construction that paves, generally use a bayonet measuring device who makes in advance at the in-process of operation, thereby the staff selectively inserts bayonet measuring device into the ground that paves at the construction operation in-process that paves and measure the thickness that paves, but measured time and position all are by the automatic leading choice of constructor, and measured point is the measurement of single point, the detection mode has inefficiency, the poor technical problem of representativeness, thereby influence the precision that detects, traditional detection mode, lack continuous detection and real-time feedback, can't satisfy the detection requirement in the work progress.

Chinese patent CN202022379118.3 discloses a paving thickness measuring device based on the internet of things, which includes: the mounting arm mechanism is mounted on the paver; the paving front pull rope detection module is used for detecting the measurement height from the pavement before paving; the system comprises a paving rear pull rope detection module, a paving rear pull rope detection module and a paving rear pull rope detection module, wherein the paving rear pull rope detection module is used for detecting the measurement height of a road surface after paving; the processor module is used for receiving the measured height from the road surface before paving and the measured height from the road surface after paving so as to calculate the paving thickness of the paver; this patent will pave through installation arm mechanism and stay cord detection module installs on the paver before stay cord detection module and the back stay cord detection module that paves to through the measurement height on real-time detection distance pavement before paving, the measurement of the thickness that paves to the paver is highly realized apart from the measurement on the back pavement that paves, this patent has solved the technical problem function that real-time continuous monitoring feedbacks, but it also is to the single point that paves to measure, can't measure to the whole measuring face that paves, thereby influence measuring precision.

Disclosure of Invention

In view of the above, it is necessary to provide a paving thickness measuring apparatus in view of the problems of the prior art.

In order to solve the problems of the prior art, the invention adopts the technical scheme that:

a paving thickness measuring device comprises two mounting frames, wherein the two mounting frames are respectively provided with a first slide rail, a supporting arm and a driving component for driving the supporting arm to lift on the mounting frames, the first slide rail is arranged along the height direction of the mounting frames, the driving component is arranged at the top of the mounting frames, the supporting arm is of a rectangular plate-shaped structure, the supporting arm can be slidably arranged on the first slide rail in a horizontal state, the supporting arm is in transmission connection with the driving component, the bottom of the supporting arm is provided with a second slide rail, a plurality of shearing fork pieces, a plurality of detection components and an adjusting component, the second slide rail is arranged at the bottom of the supporting arm and is arranged along the length direction of the second slide rail, all the detection components can be slidably arranged on the second slide rail, the adjusting component is arranged at the center of the bottom of the supporting arm, all the shearing fork pieces comprise two connecting rods, the middle parts of the two connecting rods are in pin joint with each other, the middle parts of the two connecting rods of all the shearing fork pieces are respectively sleeved on the adjusting component and all the detection components, and the top end and the bottom end of the connecting rod of two adjacent scissors are mutually pinned, and one of the detection assemblies is in transmission connection with the adjusting assembly.

Preferably, all detection assemblies all include slider and range finding sensor, and the top of slider is provided with the first draw runner that matches each other with the second slide rail, and the bottom of slider is provided with the mounting hole, and the mounting hole is located to the range finding sensor cover, all is provided with the rotation axis on the lateral wall of all sliders, cuts the fork spare cover and locates on the rotation axis.

Preferably, the adjusting assembly comprises a first rotary driving motor, a first lead screw and a fixed block, the fixed block is located at the center of the bottom of the supporting arm, a fixed shaft is arranged on the side wall of the fixed block, the shearing fork piece is sleeved on the fixed shaft, the first lead screw is sleeved on the fixed block in a horizontal state, the first rotary driving motor is located on the supporting arm, the first lead screw is in transmission connection with the first rotary driving motor, the first lead screw penetrates through a sliding block located on a detecting assembly beside the fixed block, and the first lead screw is in threaded fit with the sliding block.

Preferably, the adjusting part still includes the fixed plate, the hold-in range, dodge groove and two synchronizing wheels, the fixed plate is the top that vertical state is located the support arm, dodge the side that the trench is located the fixed plate, a rotary drive motor fixed connection is on the fixed plate, and a rotary drive motor's output shaft runs through the fixed plate, two synchronizing wheels overlap respectively and locate first rotary drive motor's output shaft and first lead screw on, the hold-in range passes and dodges the groove and overlap and locate two synchronizing wheels on.

Preferably, the fixed block and the detection assembly in transmission connection with the fixed block are respectively provided with a distance sensor and a receiver.

Preferably, both ends on the width direction of support arm all are provided with the bracing piece that is vertical state, bracing piece and support arm sliding fit are provided with elastic component and pressure sensor on the bracing piece.

Preferably, the bottom of each of the two support rods is provided with a pulley.

Preferably, the drive assembly includes second rotary driving motor and second lead screw, the top and the bottom of mounting bracket are provided with first mounting panel and the second mounting panel that is the horizontality and sets up respectively, the second lead screw is rotatable the connection between first mounting panel and second mounting panel of vertical state, the second lead screw run through the support arm and rather than screw-thread fit, second rotary driving motor is located the top of first mounting panel, and first rotary driving motor's output shaft runs through first mounting panel and second lead screw fixed connection.

Preferably, all be provided with the backup pad on the support arm on two mounting brackets, the backup pad is located one side that is close to the mounting bracket on the support arm, and the both sides of support arm all are provided with the mount, and the mount is the triangle-shaped structure, and one side of keeping away from the support arm in the backup pad is provided with the second draw runner that matches each other with first slide rail.

Preferably, the support arms of the two mounting frames are provided with wireless communication modules.

Compared with the prior art, the beneficial effect of this application is:

1. this application is passed through drive assembly and is adjusted the detection subassembly of support arm below to suitable measurement height, ensures the measuring precision.

2. This application is through adjustment assembly's setting for a plurality of determine module can match the road surface of the different size of paving of paver, the area that the extension detected, improve detection device's suitability, two determine module's that are adjacent simultaneously interval equals, make the precision that detects obtain the guarantee, carry out the analysis through comparing the measured data on a plurality of determine module at last, thereby further guarantee measuring precision, determine simultaneously to the road surface before the paving and the road surface after the paving through the determine module on two mounting brackets, thereby obtain measured thickness.

3. This application has driven the synchronizing wheel rather than being connected through a rotary driving motor, drives the hold-in range through the synchronizing wheel and rotates, and the hold-in range drives first lead screw and rotates, through the displacement distance of this structure but furthest's increase slider.

4. This application is through the setting of distance sensor and receiver for the displacement distance of determine module can be by accurate discernment, thereby the convenience is controlled the displacement distance of determine module, makes the road surface that the matching paver that all determine modules can be better paves, thereby improves the precision that detects.

5. This application is through bracing piece, elastic component and pressure sensor's setting, and whether slope and roughness on distinguishable road surface are compared through the data with the measuring thickness of determine module, the measuring accuracy of the equipment of can furthering choosing.

6. This application is through the setting of pulley for the bottom of bracing piece and the contact on road surface reduce frictional dynamics, and the pulley does not influence the detection to whether slope and roughness on the road surface along with the roll on road surface, thereby prolongs the life of bracing piece.

7. This application can give the rear end with a plurality of determine module's data transmission through the setting of wireless communication module, through comparing of rear end to obtain measured data, can real-timely detect the road surface.

Drawings

FIG. 1 is a side view of the entirety of the present application;

FIG. 2 is a front view of the entirety of the present application;

FIG. 3 is a perspective view of the mounting bracket of the present application;

FIG. 4 is a perspective view of the support arm, adjustment assembly and detection assembly of the present application;

FIG. 5 is a perspective view of a portion of the support arm and adjustment assembly of the present application and an enlarged view thereof;

FIG. 6 is a perspective view of an adjustment assembly of the present application;

FIG. 7 is a perspective view of a support arm of the present application;

FIG. 8 is an enlarged view at A in FIG. 2 of the present application;

FIG. 9 is an enlarged view at B in FIG. 7 of the present application;

FIG. 10 is an enlarged view at C of FIG. 7 of the present application;

the reference numbers in the figures are:

1-a mounting frame; 1 a-a first slide rail; 1 b-a drive assembly; 1b1 — a second rotary drive motor; 1b 2-second lead screw; 1 c-a first mounting plate; 1 d-a second mounting plate;

2-a support arm; 2 a-a second slide rail; 2 b-a scissor; 2b 1-connecting rod; 2 c-a detection component; 2c1 — slide; 2c2 — first slider; 2c 3-mounting holes; 2c 4-axis of rotation; 2c 5-ranging sensor; 2 d-a regulating component; 2d1 — first rotary drive motor; 2d2 — first lead screw; 2d 3-fixed block; 2d 4-fixed axis; 2d 5-dead plate; 2d 6-synchronous belt; 2d 7-avoidance slot; 2d8 — synchronizing wheel; 2 e-a distance sensor; 2e 1-receiver; 2 f-a support bar; 2f 1-elastic member; 2f2 — pressure sensor; 2f 3-pulley; 2 g-a support plate; 2g 1-mount; 2g 2-second slider; 2 h-wireless communication module;

3-spreading machine.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in fig. 1-10, the present application provides:

a paving thickness measuring device comprises two mounting racks 1, wherein a first slide rail 1a, a support arm 2 and a driving component 1b for driving the support arm 2 to lift on the mounting racks 1 are respectively arranged on the two mounting racks 1, the first slide rail 1a is arranged along the height direction of the mounting racks 1, the driving component 1b is positioned at the top of the mounting racks 1, the support arm 2 is of a rectangular plate-shaped structure, the support arm 2 is slidably positioned on the first slide rail 1a in a horizontal state, the support arm 2 is in transmission connection with the driving component 1b, a second slide rail 2a, a plurality of scissor pieces 2b, a plurality of detection components 2c and an adjusting component 2d are arranged at the bottom of the support arm 2, the second slide rail 2a is positioned at the bottom of the support arm 2 and is arranged along the length direction of the support arm, all the detection components 2c are slidably positioned on the second slide rail 2a, the adjusting component 2d is positioned at the center of the bottom of the support arm 2, all the scissor pieces 2b comprise two connecting rods 2b1, the middle parts of the two connecting rods 2b1 are mutually pin-connected, the middle parts of the two connecting rods 2b1 of all the scissor pieces 2b are respectively sleeved on the adjusting component 2d and all the detecting components 2c, the top ends and the bottom ends of the connecting rods 2b1 of the two adjacent scissor pieces 2b are mutually pin-connected, and one of the detecting components 2c is in transmission connection with the adjusting component 2 d.

Based on above-mentioned embodiment, single point that paves is measured, can't measure to whole measurement face that paves to influence measuring precision, the technical problem that this application wants to solve is how to measure whole measurement face that paves, improves measurement accuracy. Therefore, the two mounting frames 1 are respectively mounted at two ends of the paver 3, so that the paved road surface and the paved road surface of a plurality of detection assemblies 2c on the mounting frames 1 can be measured, firstly, the height of the support arm 2 on the mounting frames 1 is adjusted through the driving assembly 1b, so that the support arm 2 moves along the direction of the first slide rail 1a, the detection assemblies 2c below the support arm 2 can be conveniently adjusted to the proper measurement height, the measurement precision is ensured, then, the adjusting assembly 2d is started, one detection assembly 2c is driven to move along the direction of the second slide rail 2a through the adjusting assembly 2d, as the adjusting assembly 2d and all detection assemblies 2c are sleeved with the scissors 2b, and the top ends and the bottom ends of the connecting rods 2b1 of two adjacent scissors 2b are mutually pinned, so that the movement of one detection assembly 2c drives the two connecting rods 2b1 of the scissors 2b to swing, thereby all scissor 2b have been driven, make all covers to be equipped with scissor 2 b's detection subassembly 2c all to remove along the direction of second slide rail 2a, and interval between two adjacent detection subassemblies 2c keeps equal, setting through adjusting subassembly 2d, make a plurality of detection subassemblies 2c can match the road surface of the 3 different sizes that pave of paver, the area that the extension detected, improve detection device's suitability, two adjacent detection subassembly 2 c's interval equals simultaneously, make the precision that detects secure, at last carry out the analysis through comparing the measured data on a plurality of detection subassemblies 2c, thereby further guarantee measuring precision, the detection subassembly 2c through two mounting brackets 1 respectively is measured simultaneously to the road surface before paving and the road surface after paving, thereby obtain measuring thickness.

As shown in fig. 4-6 and 8, further:

all detection components 2c all include slider 2c1 and range finding sensor 2c5, the top of slider 2c1 is provided with the first draw runner 2c2 that matches each other with second slide rail 2a, and the bottom of slider 2c1 is provided with mounting hole 2c3, and range finding sensor 2c5 cover is located in mounting hole 2c3, all be provided with rotation axis 2c4 on the lateral wall of slider 2c1, and scissor element 2b cover is located on rotation axis 2c 4.

Based on the above-mentioned embodiments, the technical problem that the present application intends to solve is how to mount the detecting component 2c on the supporting arm 2. For this reason, this application is through the setting of first draw runner 2c2, make slider 2c1 can remove along the direction of second slide rail 2a, setting through range sensor 2c5 and mounting hole 2c3, make range sensor 2c5 can overlap the bottom of locating slider 2c1, thereby the convenience is to surveying the installation and the change of rolling up the sensor, make things convenient for range sensor 2c5 to measure the road surface simultaneously, rotation axis 2c4 conveniently is connected with scissors piece 2 b.

As shown in fig. 4-6, 8 and 10, further:

the adjusting assembly 2d comprises a first rotary driving motor 2d1, a first screw rod 2d2 and a fixed block 2d3, the fixed block 2d3 is located at the bottom center of the supporting arm 2, a fixed shaft 2d4 is arranged on the side wall of the fixed block 2d3, the scissor element 2b is sleeved on the fixed shaft 2d4, the first screw rod 2d2 is sleeved on the fixed block 2d3 in a horizontal state, the first rotary driving motor 2d1 is located on the supporting arm 2, the first screw rod 2d2 is in transmission connection with the first rotary driving motor 2d1, the first screw rod 2d2 penetrates through a sliding block 2c1 located on a detecting assembly 2c beside the fixed block 2d3, and the first screw rod 2d2 is in threaded fit with the sliding block 2c 1.

Based on the above embodiments, the technical problem to be solved by the present application is how to move one of the detecting assemblies 2c by the adjusting assembly 2 d. For this reason, this application drives the rotation of first lead screw 2d2 through starting first rotary driving motor 2d1, the rotation of first lead screw 2d2 has driven the removal of the slider 2c1 rather than screw-thread fit, make slider 2c1 move along the direction of second slide rail 2a, simultaneously because the rotation axis 2c4 of slider 2c1 and the fixed axle 2d4 of fixed block 2d3 all overlap and are equipped with scissors spare 2b, and scissors spare 2b is the pin joint each other, make the removal of detecting element 2c drive the removal of all scissors spare 2b, thereby the displacement of all detecting elements 2c has been driven, still make the distance of two adjacent detecting elements 2c displacements equal.

As shown in fig. 5, 6 and 10, further:

the adjusting assembly 2d further includes a fixing plate 2d5, a synchronous belt 2d6, an avoiding groove 2d7 and two synchronous wheels 2d8, the fixing plate 2d5 is located above the supporting arm 2 in a vertical state, the avoiding groove 2d7 is located at the side of the fixing plate 2d5, the first rotary driving motor 2d1 is fixedly connected to the fixing plate 2d5, an output shaft of the first rotary driving motor 2d1 penetrates through the fixing plate 2d5, the two synchronous wheels 2d8 are respectively sleeved on the output shaft of the first rotary driving motor 2d1 and the first screw rod 2d2, and the synchronous belt 2d6 penetrates through the avoiding groove 2d7 and is sleeved on the two synchronous wheels 2d 8.

Based on the above embodiments, the technical problem that the present application intends to solve is how to drivingly connect the first lead screw 2d2 with the first rotary driving motor 2d 1. For this purpose, the output shaft of the first rotary driving motor 2d1 drives the synchronizing wheel 2d8 connected with the first rotary driving motor 2d1 by starting the first rotary driving motor 2d1, the synchronizing wheel 2d8 drives the synchronizing belt 2d6 to rotate, the synchronizing belt 2d6 drives the synchronizing wheel 2d8 on the first screw rod 2d2 to rotate, so as to drive the first screw rod 2d2 to rotate, and the first screw rod 2d2 drives the sliding block 2c1 to displace; if the first rotary driving motor 2d1 is installed below the supporting arm 2, the moving distance of the slider 2c1 is limited, and interference is caused, so that the displacement distance of the slider 2c1 can be increased to the maximum extent.

As shown in fig. 5, 6 and 8, further:

the fixed block 2d3 and the detection assembly 2c in driving connection therewith are provided with a distance sensor 2e and a receiver 2e1, respectively.

Based on the above-mentioned embodiments, the technical problem that the present application intends to solve is how to precisely control the distance between the fixed block 2d3 and the detection assembly 2c drivingly connected thereto. For this reason, this application is through distance sensor 2e and receiver 2e 1's setting for detection module 2 c's displacement distance can be by accurate discernment, thereby conveniently control detection module 2 c's displacement distance, makes the road surface that all detection module 2c can be better match paver 3 paves, thereby improves the precision that detects.

As shown in fig. 9, further:

the both ends on the width direction of support arm 2 all are provided with the bracing piece 2f that is vertical state, bracing piece 2f and support arm 2 sliding fit, are provided with elastic component 2f1 and pressure sensor 2f2 on the bracing piece 2 f.

Based on the above embodiments, the technical problem that the present application intends to solve is how to further improve the accuracy of the measurement. For this reason, this application is through bracing piece 2f, elastic component 2f1 and pressure sensor 2f 2's setting, make support arm 2 drive its in-process and the road surface contact of whereabouts at drive assembly 1b, along with paver 3's removal, make bracing piece 2f slide on the road surface along with paver 3, measure the roughness to the road surface that paves through two bracing pieces 2f on the support arm 2 width direction, whether through the slope and the roughness on elastic component 2f1 and the pressure sensor 2f2 distinguishable road surface, compare through the data with detection component 2c measurement thickness, can further choose the measurement accuracy of high equipment.

As shown in fig. 4 and 9, further:

the bottom of both support bars 2f are provided with pulleys 2f 3.

Based on the above embodiment, the supporting rod 2f may cause damage to the bottom of the supporting rod 2f in the process of contacting the road surface, and how to prolong the service life of the supporting rod 2f is the technical problem to be solved in the present application. For this reason, this application is through the setting of pulley 2f3 for the bottom of bracing piece 2f and the contact of road surface reduce the dynamics of friction, and whether the detection to road surface slope and roughness is not influenced along with the roll on road surface to pulley 2f3, thereby extension bracing piece 2 f's life.

As shown in fig. 3, further:

drive assembly 1b includes second rotary drive motor 1b1 and second lead screw 1b2, the top and the bottom of mounting bracket 1 are provided with first mounting panel 1c and the second mounting panel 1d that is the horizontality and sets up respectively, second lead screw 1b2 is rotatable connection between first mounting panel 1c and second mounting panel 1d of vertical state, second lead screw 1b2 runs through support arm 2 and rather than screw-thread fit, second rotary drive motor 1b1 is located the top of first mounting panel 1c, and the output shaft of first rotary drive motor 2d1 runs through first mounting panel 1c and second lead screw 1b2 fixed connection.

Based on the above embodiments, the technical problem to be solved by the present application is how to drive the driving assembly 1b to drive the supporting arm 2 to ascend and descend. For this reason, this application is through starting second rotary driving motor 1b1, the output shaft of second rotary driving motor 1b1 has driven the rotation rather than fixed connection's second lead screw 1b2, the rotation of second lead screw 1b2 has driven the removal rather than screw-thread fit's support arm 2, make support arm 2 move along the direction of first slide rail 1a, thereby drive support arm 2 and go up and down at mounting bracket 1, thereby adjust the detection height of a plurality of determine module 2c of support arm 2 bottom.

As shown in fig. 3, 4 and 7, further:

all be provided with backup pad 2g on the support arm 2 on two mounting brackets 1, backup pad 2g is located support arm 2 and is close to one side of mounting bracket 1, and the both sides of support arm 2 all are provided with mount 2g1, and mount 2g1 is the triangle-shaped structure, and one side of keeping away from support arm 2 on the backup pad 2g is provided with the second draw runner 2g2 that matches each other with first slide rail 1 a.

Based on the above embodiments, the technical problem that the present application intends to solve is how to connect the support arm 2 with the mounting bracket 1. For this reason, this application is through the setting of second draw runner 2g2 for backup pad 2g can drive support arm 2 and slide on first slide rail 1a, has strengthened the joint strength between backup pad 2g and the support arm 2 through the setting of mount 2g1, improves the stability of device operation.

As shown in fig. 7, further:

all be provided with wireless communication module 2h on the support arm 2 of two mounting brackets 1.

Based on the above-described embodiments, the technical problem that the present application intends to solve is how to facilitate the transmission of data of a plurality of detection assemblies 2c on the support arm 2 to the rear end. For this reason, this application can give the rear end with a plurality of determine module 2 c's data transmission through wireless communication module 2 h's setting, through the comparison of rear end to obtain measured data, can real-timely detect the road surface.

The above examples only show one or more embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A paving thickness measuring device comprises two mounting frames (1), and is characterized in that the two mounting frames (1) are respectively provided with a first slide rail (1a), a support arm (2) and a driving component (1b) for driving the support arm (2) to lift on the mounting frame (1), the first slide rail (1a) is arranged along the height direction of the mounting frame (1), the driving component (1b) is positioned at the top of the mounting frame (1), the support arm (2) is of a rectangular plate-shaped structure, the support arm (2) is slidably positioned on the first slide rail (1a) in a horizontal state, the support arm (2) is in transmission connection with the driving component (1b), the bottom of the support arm (2) is provided with a second slide rail (2a), a plurality of shearing fork pieces (2b), a plurality of detection components (2c) and an adjusting component (2d), the second slide rail (2a) is positioned at the bottom of the support arm (2) and is arranged along the length direction thereof, all detection components (2c) are slidably located on the second sliding rail (2a), the adjusting component (2d) is located in the center of the bottom of the supporting arm (2), all scissor members (2b) comprise two connecting rods (2b1), the middle parts of the two connecting rods (2b1) are in pin joint with each other, the middle parts of the two connecting rods (2b1) of all scissor members (2b) are respectively sleeved on the adjusting component (2d) and all detection components (2c), the top ends and the bottom ends of the connecting rods (2b1) of the two adjacent scissor members (2b) are in pin joint with each other, and one detection component (2c) is in transmission connection with the adjusting component (2 d).

2. The paving thickness measuring device according to claim 1, wherein all the detecting components (2c) comprise a sliding block (2c1) and a distance measuring sensor (2c5), a first sliding strip (2c2) matched with the second sliding rail (2a) is arranged at the top of the sliding block (2c1), a mounting hole (2c3) is formed at the bottom of the sliding block (2c1), the distance measuring sensor (2c5) is sleeved in the mounting hole (2c3), a rotating shaft (2c4) is arranged on the side wall of all the sliding blocks (2c1), and a fork piece (2b) is sleeved on the rotating shaft (2c 4).

3. The paving thickness measuring device according to claim 2, wherein the adjusting component (2d) comprises a first rotary driving motor (2d1), a first screw rod (2d2) and a fixed block (2d3), the fixed block (2d3) is located at the center of the bottom of the supporting arm (2), a fixed shaft (2d4) is arranged on the side wall of the fixed block (2d3), the scissor element (2b) is sleeved on the fixed shaft (2d4), the first screw rod (2d2) is sleeved on the fixed block (2d3) in a horizontal state, the first rotary driving motor (2d1) is located on the supporting arm (2), and first lead screw (2d2) is connected with first rotary driving motor (2d1) transmission, and first lead screw (2d2) run through slider (2c1) through being located one detection component (2c) of fixed block (2d3) side, and first lead screw (2d2) and slider (2c1) screw-thread fit.

4. The paving thickness measuring device according to claim 3, wherein the adjusting assembly (2d) further comprises a fixing plate (2d5), a synchronous belt (2d6), an avoiding groove (2d7) and two synchronous wheels (2d8), the fixing plate (2d5) is located above the supporting arm (2) in a vertical state, the avoiding groove (2d7) is located at the side of the fixing plate (2d5), the first rotary driving motor (2d1) is fixedly connected to the fixing plate (2d5), an output shaft of the first rotary driving motor (2d1) penetrates through the fixing plate (2d5), the two synchronous wheels (2d8) are respectively sleeved on the output shaft of the first rotary driving motor (2d1) and the first screw rod (2d2), and the synchronous belt (2d6) penetrates through the avoiding groove (2d7) and is sleeved on the two synchronous wheels (2d 8).

5. A paving thickness measuring device according to claim 3, characterized in that the fixed block (2d3) and the detection assembly (2c) in driving connection therewith are provided with a distance sensor (2e) and a receiver (2e1), respectively.

6. A paving thickness measuring device according to claim 1, wherein the supporting arm (2) is provided with a supporting rod (2f) at both ends in the width direction thereof, the supporting rod (2f) is in sliding fit with the supporting arm (2), and the supporting rod (2f) is provided with an elastic member (2f1) and a pressure sensor (2f 2).

7. A paving thickness measuring device according to claim 6, characterized in that the bottom of both support bars (2f) are provided with pulleys (2f 3).

8. A paving thickness measuring device according to claim 1, wherein the driving assembly (1b) comprises a second rotary driving motor (1b1) and a second screw rod (1b2), a first mounting plate (1c) and a second mounting plate (1d) are respectively arranged at the top end and the bottom end of the mounting frame (1), the first mounting plate and the second mounting plate are horizontally arranged, the second screw rod (1b2) is vertically and rotatably connected between the first mounting plate (1c) and the second mounting plate (1d), the second screw rod (1b2) penetrates through the supporting arm (2) and is in threaded fit with the supporting arm, the second rotary driving motor (1b1) is located above the first mounting plate (1c), and an output shaft of the first rotary driving motor (2d1) penetrates through the first mounting plate (1c) and is fixedly connected with the second screw rod (1b 2).

9. A paving thickness measuring device according to claim 1, characterized in that the supporting arms (2) of the two mounting frames (1) are provided with supporting plates (2g), the supporting plates (2g) are located on one side of the supporting arms (2) close to the mounting frames (1), both sides of the supporting arms (2) are provided with fixing frames (2g1), the fixing frames (2g1) are of triangular structures, and one side of the supporting arms (2g) far away from the supporting arms (2) is provided with second sliding strips (2g2) matched with the first sliding rails (1 a).

10. A paving thickness measuring device according to claim 1, characterized in that the supporting arms (2) of both mounting frames (1) are provided with wireless communication modules (2 h).