CN214939073U

CN214939073U - Road thickness check out test set for municipal works

Info

Publication number: CN214939073U
Application number: CN202120344568.0U
Authority: CN
Inventors: 郑创雄; 叶东鹏; 黄锴; 张晓烽
Original assignee: Guangdong Jian'an Municipal Engineering Co ltd
Current assignee: Guangdong Jian'an Municipal Engineering Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-30
Anticipated expiration: 2031-02-05

Abstract

The application relates to the technical field of road quality control check out test set, especially, relate to a road thickness check out test set for municipal works, it includes the drilling rod, and the one end of drilling rod is connected with the drill bit, has seted up the holding chamber in the drilling rod, and the holding intracavity is provided with the sonar probe, and the sonar probe is close to the drill bit setting, and the sonar probe is outside the drilling rod, the length direction of the perpendicular to drilling rod of orientation of sonar probe. This application has the effect that improves the accuracy that the thickness detected.

Description

Road thickness check out test set for municipal works

Technical Field

The application relates to the technical field of road quality control detection equipment, in particular to road thickness detection equipment for municipal engineering.

Background

The town road is an important urban public infrastructure, and the quality of the town road directly influences the smoothness of urban traffic, and simultaneously relates to the safety and convenience of people going out, so that the town road is subjected to quality acceptance after the construction of the town road is finished.

The quality acceptance of municipal roads includes the acceptance of roadbeds, base courses and topcourses. Specifically, the acceptance points of the pavement base layer mainly comprise the filler quality, the layering thickness, the rolling quality and the like, and the acceptance points of the pavement surface layer mainly comprise the material quality, the thickness, the rolling quality, the compact plumpness of the cement concrete surface layer expansion joint filler and the like. And a thickness detector is generally adopted to detect the thickness acceptance of the base layer and the surface layer.

At present, when relevant thickness is tested, a thickness tester utilizing a sonar principle is often used by testing personnel. Detector takes place and accepts the sound wave with the sonar probe perpendicular orientation ground, and the thickness of road surface layer, basic unit is calculated to the sound wave information that the process treater received after handling to the realization is to the detection of road surface layer, basic unit thickness.

In view of the above-mentioned related technologies, the inventor believes that neither the surface layer nor the base layer of the road surface is formed by a single material, and when the acoustic wave is transmitted between the surface layer and the base layer of the road surface, the acoustic wave is easily refracted and reflected at the contact surface of different media, so that not only is the energy of the acoustic wave penetrating to the next layer weakened, but also a large amount of interference waves are generated, thereby affecting the accuracy of the thickness detection result.

SUMMERY OF THE UTILITY MODEL

In order to improve the accuracy that thickness detected, this application provides a road thickness check out test set for municipal works.

The application provides a road thickness check out test set for municipal works adopts following technical scheme:

the utility model provides a road thickness check out test set for municipal works, includes the drilling rod, the one end of drilling rod is connected with the drill bit, set up the holding chamber in the drilling rod, the holding intracavity is provided with the sonar probe, the sonar probe is close to the drill bit setting, the sonar probe orientation outside the drilling rod, the orientation perpendicular to of sonar probe the length direction of drilling rod.

Through adopting above-mentioned technical scheme, the handheld drilling rod of testing personnel and with the drill bit butt behind the road surface, under the road surface is gone into to the drilling rod perpendicularly, and sonar probe will carry out sonar detection with the horizontal direction to the road surface at this in-process. Because the packing material that different layering adopted is different, there is more obvious difference in the intensity of the sound wave of different packing material reflection, consequently when the great instantaneous change takes place for the sound wave information of sonar probe feedback, can regard as the sonar probe this moment to be in the juncture of layering, and the thickness of this layering can be reachd through measuring the distance between the position that the drilling rod is located ground and the position that the sonar probe was located this moment. Utilize the thickness check out test set that this application disclosed to carry out thickness measurement to the basic unit and the surface course on road surface, can reduce the influence that acoustic energy scatters and disappears and mixed and disorderly interference wave to measuring result to improve thickness detection's accuracy.

Optionally, the drilling device further comprises a support frame, the support frame is fixedly connected with a cantilever, the cantilever is connected with the drill rod, and the cantilever is provided with a driving piece for driving the drill bit to drill into the ground.

Through adopting above-mentioned technical scheme, set up support frame and cantilever and fix the drilling rod, utilize driving piece drive drill bit to bore into the underground simultaneously and carry out thickness measurement, compare and have higher operating accuracy in using the manual work to the accuracy that the thickness detected is further improved.

Optionally, the driving part comprises a cylinder arranged on the cantilever, a driving motor is fixedly connected to a piston end of the cylinder, and an output end of the driving motor is connected with the drill rod through a coupler.

Through adopting above-mentioned technical scheme, cylinder and driving motor are easy and simple to handle, are convenient for the measurement personnel operation to use the check out test set that this application discloses.

Optionally, the support frame is provided with a horizontal adjustment assembly for adjusting the perpendicularity between the drill rod and the ground.

Through adopting above-mentioned technical scheme, set up the straightness that hangs down that the level adjustment subassembly can improve between drilling rod and the ground to reduce the interference that produces because of the ground unevenness to measuring, improve the accuracy that thickness detected.

Optionally, the horizontal adjustment assembly includes the spirit level and a plurality of horizontal adjustment spare that is used for adjusting the support frame levelness, the spirit level with the support frame is connected, horizontal adjustment spare with the support frame is connected.

Through adopting above-mentioned technical scheme, but the detection personnel utilize the horizontal adjustment spare to adjust the support frame to horizontal position with the spirit level according to the spirit level, and then adjust the drilling rod to vertical position to improve the accuracy when the drilling rod carries out thickness measurement.

Optionally, all the horizontal adjusting pieces are uniformly distributed on all the side edges of the support frame, each horizontal adjusting piece comprises an adjusting screw rod and a supporting leg, the adjusting screw rods are in threaded connection with the support frame, the supporting legs are rotatably connected to one end of each adjusting screw rod, and the supporting legs are located at the bottom of the support frame.

Through adopting above-mentioned technical scheme, utilize the difference in height between the accommodate the lead screw to correct the support frame to realize the level setting of support frame.

Optionally, the support frame is fixedly connected with a limiting pipe, and the limiting pipe is sleeved outside the drill rod.

Through adopting above-mentioned technical scheme, the drilling rod is spacing by spacing pipe for the drilling rod still can keep higher verticality when driling, thereby improves the accuracy that the thickness detected.

Optionally, the surface of the drill rod is provided with scale marks for measuring the insertion depth of the drill bit.

By adopting the technical scheme, the depth of the drill rod entering the underground can be easily read out through the change of the relative positions of the scale marks and the limiting pipes of the drill rod before and after drilling, so that the layered thickness can be quickly obtained.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the sonar is arranged in the drill rod and is drilled into the ground together with the drill bit, the pavement is transversely subjected to sonar detection from the ground, and a thickness detection method is improved, so that the interference of the sound wave intensity and interference waves to the detection precision is eliminated, and the thickness detection precision is improved;

2. the support frame is arranged, and automatic drilling of the drill bit is achieved mechanically, so that the verticality of the drill rod is improved, and the accuracy of thickness detection is further improved;

3. set up spacing pipe, the drilling rod is spacing by spacing pipe to further improve the accuracy that the thickness detected.

Drawings

FIG. 1 is a schematic structural diagram of road thickness detection equipment for municipal works according to an embodiment of the application.

Fig. 2 is a partial cross-sectional view of a drill rod in an embodiment of the present application.

Description of reference numerals: 1. a support assembly; 11. a support frame; 111. a supporting seat; 112. a support bar; 12. a cantilever; 2. a level adjustment assembly; 21. a level gauge; 22. a horizontal adjustment member; 221. adjusting the screw rod; 222. supporting legs; 223. a turntable; 3. a drilling assembly; 31. a drill stem; 311. an accommodating cavity; 32. a drill bit; 33. a cylinder; 34. a drive motor; 35. a limiting pipe; 4. a sonar detection component; 41. a sonar probe; 42. a display screen.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses road thickness check out test set for municipal works. Referring to fig. 1 and 2, municipal works are with road thickness check out test set includes supporting component 1, horizontal adjustment subassembly 2, drilling subassembly 3 and sonar detection module 4, and supporting component 1 sets up in ground, and horizontal adjustment subassembly 2 is connected with supporting component 1, and drilling subassembly 3 is connected with supporting component 1, and sonar detection module 4 is connected with drilling subassembly 3.

Referring to fig. 1, in particular, the supporting assembly 1 includes a supporting frame 11, the supporting frame 11 includes a supporting base 111 and a supporting rod 112, the supporting rod 112 is fixedly connected to a top surface of the supporting base 111, and the supporting rod 112 is perpendicular to the supporting base 111. Further, the supporting seat 111 is a rectangular plate, and the horizontal adjusting component 2 is connected with the supporting seat 111. The supporting rod 112 is fixedly connected with a cantilever 12, the cantilever 12 is parallel to the supporting seat 111, and when the supporting seat 111 is parallel to the ground, the cantilever 12 is also parallel to the ground.

Referring to fig. 1, the horizontal adjustment assembly 2 includes a level 21 and a plurality of horizontal adjustment members 22, the level 21 is disposed on the side wall of the support base 111, and the horizontal adjustment members 22 are connected to the support base 111. The detection personnel can observe the levelness of the supporting seat 111 through the level gauge 21, and correct the supporting seat 111 through the horizontal adjusting piece 22 so that the supporting seat 111 is in a horizontal state.

Referring to fig. 1, in particular, in the present embodiment, the horizontal adjustment member 22 includes an adjustment screw 221 and a support leg 222, the adjustment screw 221 penetrates through the top surface and the bottom surface of the support seat 111 and is in threaded connection with the support seat 111, one end of the adjustment screw 221 close to the ground is rotatably connected with the support leg 222, and the other end is fixedly connected with a turntable 223. The detection personnel control the adjusting screw rod 221 to rotate through the rotating turntable 223, so that the supporting seat 111 rotates at the adjusting screw rod 221 to realize height adjustment. In order to correct the levelness of the supporting seat 111 by using the horizontal adjusting member 22, in this embodiment, four horizontal adjusting members 22 are provided, and four adjusting screws 221 are respectively screwed in four corners of the supporting seat 111, so that the detecting person can correct the levelness of the supporting seat 111 by using the height difference existing between the four adjusting screws 221.

Referring to fig. 1, the drilling assembly 3 comprises a drill rod 31, a driver and a stop tube 35. Specifically, in this embodiment, the driving member includes a cylinder 33 and a driving motor 34, the cylinder 33 is fixedly connected to the top surface of the cantilever 12, the piston end of the cylinder 33 penetrates through the cantilever 12, the moving direction of the piston end of the cylinder 33 is perpendicular to the length direction of the cantilever 12, the driving motor 34 is fixedly connected to the piston end of the cylinder 33 and located below the cantilever 12, the rotating shaft at the output end of the driving motor 34 is perpendicular to the length direction of the cantilever 12, and the drill rod 31 is coaxially and fixedly connected to the output end of the driving motor 34 through a coupling.

Referring to fig. 1 and 2, further, a drill bit 32 is fixedly connected to an end of the drill rod 31 away from the driving motor 34, and the drill bit 32 is disposed toward the ground. The limiting pipe 35 is fixedly connected with the supporting rod 112 through a connecting rod, and the limiting pipe 35 is sleeved outside the drill rod 31 and is coaxially arranged with the drill rod 31. Further, the drill rod 31 is in transition fit with the limiting pipe 35, so that the limiting pipe 35 has a certain limiting effect on the drill rod 31, and the drill rod 31 can still drill into the ground in a relatively vertical direction under the effect of the air cylinder 33. The side surface of the drill rod 31 is provided with scale marks for marking the length, and the top surface of the limiting pipe 35 is arranged in parallel with the scale marks; an accommodating cavity 311 is formed in the drill rod 31, and the sonar detection component 4 is located in the accommodating cavity 311.

Referring to fig. 1 and 2, in particular, sonar detection component 4 includes sonar probe 41, a processor, a display screen 42, and a working power supply. The sonar probe 41, the processor, the display screen 42 and the working power supply are electrically connected to form a closed circuit. Sonar probe 41 is located the holding chamber 311 and with drilling rod 31 inside wall fixed connection, and Sonar probe 41 is close to drill bit 32 and sets up, and Sonar probe 41 is outside towards drilling rod 31 for Sonar probe 41 can survey outside drilling rod 31. In particular, the sonar probe 41 is perpendicular to the longitudinal direction of the drill rod 31, and when the drill rod 31 is vertically inserted into the ground, the sonar probe 41 can detect a soil layer in the horizontal direction. The display screen 42 is arranged on the top surface of the supporting seat 111 so that the detection personnel can observe the change of the sonar signals at any time.

The implementation principle of the road thickness detection equipment for municipal works in the embodiment of the application is as follows: the thickness detection device of the embodiment is placed on a road surface to be detected, and then the rotary disc 223 is rotated to control the adjusting screw rod 221 to rotate, so that the supporting seat 111 is adjusted to be in a horizontal state, and the scale of the scale mark of the top surface of the limiting pipe 35, where the drill rod 31 is located, is recorded. Then the working power supply of the sonar probe 41 is switched on, and simultaneously the power supply of the driving motor 34 and the air cylinder 33 is switched on, so that the drill rod 31 rotates and is pressed towards the ground, and the drill bit 32 drills the road surface when rotating, so that the drill rod 31 can be smoothly inserted into the ground. When the sonar signals of the sonar probe 41 have large instantaneous changes, the scales of the scale marks at the moment are recorded until the thickness detection of all the layers of the pavement is completed. The distance between each two graduations is recorded as the thickness of the corresponding layer.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a road thickness check out test set for municipal works which characterized in that: including drilling rod (31), the one end of drilling rod (31) is connected with drill bit (32), set up holding chamber (311) in drilling rod (31), be provided with sonar probe (41) in holding chamber (311), sonar probe (41) are close to drill bit (32) set up, sonar probe (41) orientation outside drilling rod (31), the orientation perpendicular to of sonar probe (41) the length direction of drilling rod (31).

2. The road thickness detection equipment for municipal engineering according to claim 1, characterized in that: still include support frame (11), support frame (11) fixedly connected with cantilever (12), cantilever (12) with drilling rod (31) are connected, cantilever (12) are provided with and are used for the drive drill bit (32) bore the underground driving piece.

3. The road thickness detection equipment for municipal engineering according to claim 2, characterized in that: the driving piece comprises a cylinder (33) arranged on the cantilever (12), a driving motor (34) is fixedly connected to the piston end of the cylinder (33), and the output end of the driving motor (34) is connected with the drill rod (31) through a coupler.

4. The road thickness detection equipment for municipal engineering according to claim 2, characterized in that: the support frame (11) is provided with a horizontal adjusting assembly (2) for adjusting the verticality between the drill rod (31) and the ground.

5. The road thickness detection equipment for municipal engineering according to claim 4, wherein: the horizontal adjusting component (2) comprises a level meter (21) and a plurality of horizontal adjusting pieces (22) used for adjusting the levelness of the support frame (11), the level meter (21) is connected with the support frame (11), and the horizontal adjusting pieces (22) are connected with the support frame (11).

6. The road thickness detection equipment for municipal engineering according to claim 5, wherein: all horizontal adjusting parts (22) evenly distributed in all sides of support frame (11), horizontal adjusting parts (22) include accommodate the lead screw (221) and supporting legs (222), accommodate the lead screw (221) with support frame (11) threaded connection, supporting legs (222) rotate connect in the one end of accommodate the lead screw (221), supporting legs (222) are located support frame (11) bottom.

7. The municipal engineering road thickness detection apparatus according to any one of claims 2 to 6, wherein: the support frame (11) is fixedly connected with a limiting pipe (35), and the limiting pipe (35) is sleeved outside the drill rod (31).

8. The road thickness detection equipment for municipal engineering according to claim 7, characterized in that: the surface of the drill rod (31) is provided with scale marks for measuring the insertion depth of the drill bit (32).