Asphalt road pavement asphalt layer thickness detection device

Abstract

The present invention relates to the technical field of asphalt road construction, and discloses a device for detecting the thickness of an asphalt layer on an asphalt road pavement, comprising a base, wherein an electric push rod 1 is fixedly connected to an upper portion of the base, an upper portion of the electric push rod 1 is rotatably connected to a table, a side of the table away from the electric push rod 1 is rotatably connected to an electric push rod 2, the electric push rod 2 is rotatably connected to the upper portion of the base, a sampling assembly is fixedly connected to the upper portion of the table, a gripping assembly is fixedly connected to the upper portion of the base, the upper portion of the table is fixedly connected to the table, the gripping assembly comprises a mounting bracket, the mounting bracket is fixedly connected to the upper portion of the base, and an electric push rod 3 is fixedly connected to the other end of the mounting bracket. After the drill bit completes sampling, the sample can be removed from the drill bit through the mutual cooperation of multiple structures within the gripping assembly, and then the sample can be clamped by a clamping assembly, and the thickness can be measured using a measuring ruler. The operation is simple and the use is very convenient.

Description

Technical Field

[0001] The invention relates to the technical field of asphalt road construction, in particular to a device for detecting the thickness of an asphalt layer on an asphalt road pavement. Background Art

[0002] Asphalt pavement refers to various types of pavement constructed by blending road asphalt with mineral materials. It consists of a surface layer, a base layer, and a cushion layer. The asphalt binder enhances the paving aggregate's ability to withstand damage from traffic and natural factors, resulting in a smooth, dust-free, impermeable, and durable surface. Therefore, asphalt pavement is the most widely used high-quality pavement in road construction.

[0003] After the construction of each layer of asphalt pavement is completed and when the project is handed over for acceptance inspection, the asphalt paving thickness is a key indicator, because it has a direct impact on the flatness and compaction of the road, and is related to the quality of the road surface. Therefore, after the asphalt pavement is laid, it is necessary to use equipment to test the thickness of the asphalt pavement. However, when testing asphalt, most of the existing methods use a drill bit to sample the asphalt pavement, and then directly measure the thickness of the asphalt through a measuring device. Sampling with a drill bit requires a lot of manpower, and after the sampling is completed, the sample is easily stuck in the drill bit, and the sample needs to be manually removed, which is very cumbersome and inconvenient. Summary of the Invention

[0004] In response to the shortcomings of the existing technology, the present invention provides a device for detecting the thickness of the asphalt layer on an asphalt road pavement, which solves the problem that the existing method of sampling and detecting by a drill bit is cumbersome to operate, requires a lot of manpower, and is very inconvenient to use.

[0005] To achieve the above objectives, the present invention is implemented through the following technical solutions: a device for detecting the thickness of an asphalt layer on an asphalt road surface, comprising a base, an upper portion of the base being fixedly connected to a first electric push rod, an upper portion of the first electric push rod being rotatably connected to a table, a side of the table away from the first electric push rod being rotatably connected to a second electric push rod, the second electric push rod being rotatably connected to the upper portion of the base, an upper portion of the table being fixedly connected to a sampling assembly, an upper portion of the base being fixedly connected to a grabbing assembly, and an upper portion of the table being fixedly connected to the table;

[0006] The grabbing assembly includes a mounting frame, which is fixedly connected to the upper part of the base, and the other end of the mounting frame is fixedly connected to an electric push rod three, and the other end of the electric push rod three is fixedly connected to an electric push rod three, and the bottom output end of the electric push rod three is fixedly connected to a fixed ring, and the outer periphery of the fixed ring is rotatably connected to multiple clamping rods, the bottom of the fixed ring is fixedly connected to a spring two, and the other end of the spring two is fixedly connected to a movable ring, and the outer periphery of the movable ring is rotatably connected to multiple connecting rods, and the other end of the connecting rod is rotatably connected to the middle of the clamping rod, and the end of the clamping rod away from the fixed ring is rotatably connected to a chuck.

[0007] Preferably, the sampling assembly includes a motor, which is fixedly connected to the upper part of the table, the output end of the motor is fixedly connected to a driving gear, the bottom of the table is rotatably connected to a driven gear, the driven gear and the driving gear are engaged with each other, and the bottom of the driven gear is fixedly connected to a drill bit.

[0008] Preferably, a plurality of movable components are fixedly connected to the periphery of the base, and the movable components include a shell, the shell is fixedly connected to the outside of the base, the upper part of the base is fixedly connected to a fixing frame, both ends of the fixing frame are rotatably connected to a rotating wheel, a movable block is slidably connected to the inside of the shell, the bottom of the movable block is fixedly connected to a wheel, the upper part of the movable block is fixedly connected to a spring 1, the other end of the spring 1 is fixedly connected to the inside of the shell, the middle part of the movable block is fixedly connected to a pull rope, and the other end of the pull rope is passed around the rotating wheel and fixedly connected to the upper part of the table.

[0009] Preferably, the upper part of the table is fixedly connected to a clamping assembly, and the clamping assembly includes a half gear, and the half gear is fixedly connected to the output end of the motor. The upper part of the table is slidably connected to a rack, and the half gear and the rack are engaged with each other. One end of the rack is fixedly connected to a clamping block, and the upper part of the table is fixedly connected to a splint, and the clamping block and the splint are aligned.

[0010] Preferably, the clamping assembly further includes a fixing seat and a spring three, wherein the fixing seat is fixedly connected to the upper portion of the table, one end of the spring three is fixedly connected to one side of the fixing seat, and the other end is fixedly connected to the end of the rack away from the clamping block.

[0011] Preferably, a hole is opened in the middle of the table top, and the clamping block and the clamping plate are respectively located on both sides of the hole.

[0012] Preferably, a measuring ruler is fixedly connected to the upper portion of the table, and the measuring ruler is located at the outer edge of the hole.

[0013] Preferably, a notch is provided in the middle of the base, and the notch is much larger than the diameter of the drill bit.

[0014] Preferably, the clamp can only be bent inwardly along the end points of the fixing ring.

[0015] Preferably, a method for using a device for detecting the thickness of an asphalt layer on an asphalt road surface comprises the following steps:

[0016] Step 1: Place the device at the location where sampling is required, and then simultaneously drive the electric push rod 1 and the electric push rod 2 to retract so that the drill bit is aligned with the position;

[0017] Step 2: When the electric push rod 1 and the electric push rod 2 are retracted, the pull rope will be pulled to make the wheels enter the interior of the housing and make the base contact with the ground to ensure stability;

[0018] Step 3: The drill bit is driven by the driving motor and cooperates with the electric push rod 1 and the electric push rod 2 to complete the drilling sampling;

[0019] Step 4: Drive the electric push rod 2 on one side to make the table drive the drill bit to tilt, so that the sample is broken and separated from the ground;

[0020] Step five: Take out the sample through the grabbing assembly, and then drive the clamping assembly to clamp the sample through the motor flipping. At this time, the asphalt thickness can be detected by measuring ruler.

[0021] The present invention provides a device for detecting the thickness of an asphalt layer on an asphalt road surface. It has the following beneficial effects:

[0022] 1. After the drill bit completes sampling, the present invention can take the sample out from the inside of the drill bit through the mutual cooperation of multiple structures inside the grabbing component, and then the sample can be clamped by the clamping component, and the thickness can be measured by the measuring ruler. The operation is simple and the use is very convenient.

[0023] 2. The present invention drives the electric push rod 1 and the electric push rod 2 separately. After the sampling component completes the sampling of the sample, the electric push rod 2 can be driven unidirectionally to change the angle of the table. At this time, the drill bit will be deflected, and the sample can be broken, so that the sample can be easily taken out, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A perspective view of the present invention;

[0025] Figure 2 It is a structural schematic diagram of the base of the present invention;

[0026] Figure 3 It is a structural schematic diagram of the mobile assembly of the present invention;

[0027] Figure 4 It is a structural schematic diagram of the grabbing assembly of the present invention;

[0028] Figure 5 for Figure 4 Enlarged view of point A in the middle;

[0029] Figure 6 It is a structural schematic diagram of the clamping assembly of the present invention;

[0030] Figure 7 It is a schematic structural diagram of the sampling component of the present invention.

[0031] Among them, 1. Base; 2. Electric linear actuator 1; 3. Table; 4. Electric linear actuator 2; 5. Sampling assembly; 501. Motor; 502. Driving gear; 503. Driven gear; 504. Drill bit; 6. Moving assembly; 601. Housing; 602. Fixed frame; 603. Rotating wheel; 604. Movable block; 605. Wheel; 606. Spring 1; 607. Pull rope; 7. Grabbing assembly; 701. Mounting frame; 702. Electric linear actuator 3; 703. Fixed ring; 704. Movable ring; 705. Clamping rod; 706. Connecting rod; 707. Spring 2; 708. Chuck; 8. Clamping assembly; 801. Half gear; 802. Rack; 803. Clamping block; 804. Clamping plate; 805. Fixed seat; 806. Spring 3; 9. Measuring ruler. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Example:

[0034] Please see the attached Figure 1 -Attached Figure 7 An embodiment of the present invention provides a device for detecting the thickness of an asphalt layer on an asphalt road surface, comprising a base 1, wherein an electric push rod 1 2 is fixedly connected to the upper portion of the base 1, and a table 3 is rotatably connected to the upper portion of the electric push rod 1 2. An electric push rod 2 4 is rotatably connected to the side of the table 3 away from the electric push rod 1 2. The electric push rod 2 4 is rotatably connected to the upper portion of the base 1, and a sampling assembly 5 is fixedly connected to the upper portion of the table 3. A grabbing assembly 7 is fixedly connected to the upper portion of the base 1, and the upper portion of the table 3 is fixedly connected to the upper portion of the table 3. The sampling assembly 5 operates to sample the asphalt ground surface, and the grabbing assembly 7 can grab and remove the sample. The removed sample can be clamped by a clamping assembly 8 for thickness detection. During sampling, the electric push rod 1 2 and the electric push rod 2 4 can be driven to operate separately, thereby tilting the table 3, thereby driving the sampling assembly 5 to tilt, and the sample can be broken off, thereby facilitating its separation from the ground surface for subsequent detection.

[0035] The grabbing assembly 7 includes a mounting frame 701, which is fixedly connected to the upper part of the base 1, and the other end of the electric push rod 3 702 is fixedly connected to the electric push rod 3 702, and the bottom output end of the electric push rod 3 702 is fixedly connected to a fixed ring 703, and the outer periphery of the fixed ring 703 is rotatably connected to multiple clamping rods 705, and the bottom of the fixed ring 703 is fixedly connected to a spring 2 707, and the other end of the spring 2 707 is fixedly connected to a movable ring 704, and the outer periphery of the movable ring 704 is rotatably connected to multiple connecting rods 706, and the other end of the connecting rod 706 is rotatably connected to the middle of the clamping rod 705, and the end of the clamping rod 705 away from the fixed ring 703 is rotatably connected to a clamp 708. After the sampling is completed, the fixed ring 703 can be moved downward from the hole in the middle of the table 3 by driving the electric push rod 3 702. When the bottom of the movable ring 704 contacts the upper surface of the sample, it will move upward under the pressure of the electric push rod 3 702, so that the connecting rod 706 pushes the clamping rod 705 to expand, and then the electric push rod 3 702 is driven to retract. Under the action of the spring 2 707, the movable ring 704 will move downward. At the same time, the clamping rod 705 will retract inward under the action of the connecting rod 706, so that the chuck 708 enters the groove on the asphalt surface to complete the clamping of the sample. The sample can be taken out from above the table 3 by retracting the electric push rod 3 702 to facilitate the detection of the sample.

[0036] The sampling assembly 5 includes a motor 501, which is fixedly connected to the top of the table 3. The output end of the motor 501 is fixedly connected to a driving gear 502. The bottom of the table 3 is rotatably connected to a driven gear 503. The driven gear 503 and the driving gear 502 are meshed with each other. The bottom of the driven gear 503 is fixedly connected to a drill bit 504. By driving the motor 501, the driving gear 502 rotates, which in turn causes the driven gear 503 to rotate the drill bit 504. In conjunction with the electric push rods 1 2 and 2 4, the drilling and sampling operation of the asphalt pavement is completed.

[0037] A plurality of movable components 6 are fixedly connected to the periphery of the base 1, and the movable component 6 includes a shell 601, which is fixedly connected to the outside of the base 1, a fixed frame 602 is fixedly connected to the upper part of the base 1, and both ends of the fixed frame 602 are rotatably connected to a rotating wheel 603, a movable block 604 is slidably connected to the inside of the shell 601, a wheel 605 is fixedly connected to the bottom of the movable block 604, a spring 1 606 is fixedly connected to the upper part of the movable block 604, and the other end of the spring 1 606 is fixedly connected to the inside of the shell 601, a pull rope 607 is fixedly connected to the middle part of the movable block 604, and the other end of the pull rope 607 passes around the rotating wheel 603 and is fixedly connected to the upper part of the table 3. When the device is not working, the wheel 605 will pop out under the action of the pull rope 607, which makes it easier to move the entire device. When sampling asphalt samples, when the electric push rod 1 2 and the electric push rod 2 4 are working, the table 3 will move downward. At the same time, the pull rope 607 will be pulled, and then the movable block 604 will be pulled under the action of the rotating wheel 603 to make the pull rope 607 shrink, and the wheel 605 will also enter the interior of the shell 601. At this time, the bottom of the base 1 will directly contact the ground to increase the contact area, thereby avoiding the movement of the device position when sampling through the sampling component 5.

[0038] The clamping assembly 8 includes a half gear 801, which is fixedly connected to the output end of the motor 501. A rack 802 is slidably connected to the upper portion of the table 3. The half gear 801 and the rack 802 are meshed with each other. A clamping block 803 is fixedly connected to one end of the rack 802. A clamping plate 804 is fixedly connected to the upper portion of the table 3. The clamping block 803 and the clamping plate 804 are aligned. After the sample is taken and removed by the grabbing assembly 7, when the sample reaches the upper portion of the table 3, the motor 501 can be driven in reverse to drive the half gear 801 to rotate, which can drive the rack 802 and the clamping block 803 to move toward the clamping plate 804 to complete the clamping of the sample so that the thickness of the sample can be tested.

[0039] The clamping assembly 8 also includes a fixed seat 805 and a spring three 806. The fixed seat 805 is fixedly connected to the upper part of the table 3. One end of the spring three 806 is fixedly connected to one side of the fixed seat 805, and the other end is fixedly connected to the end of the rack 802 away from the clamping block 803. When the motor 501 rotates forward to take samples, the rack 802 will move toward the fixed seat 805 under the action of the half gear 801, and at the same time will squeeze the spring three 806. When the teeth of the half gear 801 and the rack 802 disengage from each other, the rack 802 will pop out toward the splint 804 under the action of the spring three 806. After the half gear 801 rotates again, it can engage with the rack 802 again and move it toward the fixed seat 805. This cycle will continue, so that the clamping component 8 will not affect the normal operation of the sampling component 5, and when the spring three 806 rebounds, the rebound length will just reach the edge of the hole in the middle of the table 3, and will not affect the normal operation of the grabbing component 7.

[0040] A hole is provided in the middle of the table 3, with a clamping block 803 and a clamping plate 804 located on either side of the hole. By providing the hole, it is convenient for the gripping assembly 7 to pass through the middle of the hole, while facilitating the clamping block 803 and the clamping plate 804 to clamp the sample.

[0041] A measuring ruler 9 is fixedly connected to the upper part of the table 3 and is located at the outer edge of the hole. After the sample is sampled and clamped by the clamping assembly 8, the thickness of the asphalt in the sample can be directly observed through the measuring ruler 9.

[0042] A notch is provided in the middle of the base 1, and the notch is much larger than the diameter of the drill bit 504. By providing a larger notch, the inclination angle of the drill bit 504 is prevented from being affected by the notch when the electric push rod 1 2 and the electric push rod 2 4 work separately, thereby ensuring effective breaking of the sample.

[0043] The clamp 708 can only bend inward along the end point of the fixing ring 703. When the fixing ring 703 moves outward, the clamp 708 will bend so that the fixing ring 703 can be expanded. At the same time, when the fixing ring 703 contracts inward, the clamp 708 will straighten and insert into the gap of the asphalt surface to complete the grip.

[0044] A method for using a device for detecting the thickness of an asphalt layer on an asphalt road surface comprises the following steps:

[0045] Step 1: Place the device at the location where sampling is required, and then simultaneously drive the electric push rod 1 2 and the electric push rod 2 4 to retract so that the drill bit 504 is aligned with the position;

[0046] Step 2: When the electric push rod 1 2 and the electric push rod 2 4 are retracted, the pull rope 607 is pulled, so that the wheel 605 enters the interior of the housing 601, and the base 1 contacts the ground to ensure stability;

[0047] Step 3: The drill bit 504 is driven by the driving motor 501 to rotate, and the electric push rod 1 2 and the electric push rod 2 4 cooperate with each other to complete the drilling sampling;

[0048] Step 4: By driving the electric push rod 2 4 on one side, the table 3 drives the drill bit 504 to tilt, so that the sample is broken and separated from the ground;

[0049] Step five: The sample is taken out by the grabbing assembly 7, and then the motor 501 is turned to drive the clamping assembly 8 to clamp the sample. At this time, the asphalt thickness can be detected by the measuring ruler 9.

[0050] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A device for detecting the thickness of an asphalt layer on an asphalt road surface, comprising a base (1), characterized in that: The upper part of the base (1) is fixedly connected to an electric push rod 1 (2), the upper part of the electric push rod 1 (2) is rotatably connected to a table (3), the side of the table (3) away from the electric push rod 1 (2) is rotatably connected to an electric push rod 2 (4), the electric push rod 2 (4) is rotatably connected to the upper part of the base (1), the upper part of the table (3) is fixedly connected to a sampling component (5), and the upper part of the base (1) is fixedly connected to a grabbing component (7); The grab assembly (7) includes a mounting frame (701), the mounting frame (701) is fixedly connected to the upper part of the base (1), the other end of the mounting frame (701) is fixedly connected to an electric push rod (702), the bottom output end of the electric push rod (702) is fixedly connected to a fixed ring (703), the outer periphery of the fixed ring (703) is rotatably connected to a plurality of clamping rods (705), the bottom of the fixed ring (703) is fixedly connected to a spring (707), the other end of the spring (707) is fixedly connected to a movable ring (704), the outer periphery of the movable ring (704) is rotatably connected to a plurality of connecting rods (706), the other end of the connecting rod (706) is rotatably connected to the middle part of the clamping rod (705), and the end of the clamping rod (705) away from the fixed ring (703) is rotatably connected to a clamp (708); The sampling assembly (5) includes a motor (501), the motor (501) is fixedly connected to the upper part of the table (3), the output end of the motor (501) is fixedly connected to a driving gear (502), the bottom of the table (3) is rotatably connected to a driven gear (503), the driven gear (503) and the driving gear (502) are meshed with each other, and the bottom of the driven gear (503) is fixedly connected to a drill bit (504); The upper portion of the table (3) is fixedly connected to a clamping assembly (8), the clamping assembly (8) comprising a half gear (801), the half gear (801) being fixedly connected to the output end of the motor (501), the upper portion of the table (3) being slidably connected to a rack (802), the half gear (801) and the rack (802) being meshed with each other, one end of the rack (802) being fixedly connected to a clamping block (803), the upper portion of the table (3) being fixedly connected to a clamping plate (804), the clamping block (803) and the clamping plate (804) being aligned with each other; and the upper portion of the table (3) being fixedly connected to a measuring ruler (9).

2. The asphalt road pavement asphalt layer thickness detection device according to claim 1, characterized in that: The outer periphery of the base (1) is fixedly connected to a plurality of movable components (6), and the movable components (6) include a shell (601), the shell (601) is fixedly connected to the outer side of the base (1), the upper part of the base (1) is fixedly connected to a fixed frame (602), both ends of the fixed frame (602) are rotatably connected to a rotating wheel (603), the interior of the shell (601) is slidably connected to a movable block (604), the bottom of the movable block (604) is fixedly connected to a wheel (605), the upper part of the movable block (604) is fixedly connected to a spring 1 (606), the other end of the spring 1 (606) is fixedly connected to the interior of the shell (601), the middle part of the movable block (604) is fixedly connected to a pull rope (607), and the other end of the pull rope (607) is passed around the rotating wheel (603) and fixedly connected to the upper part of the table (3).

3. The device for detecting the thickness of asphalt layer on asphalt road surface according to claim 2, characterized in that: The clamping assembly (8) further comprises a fixed seat (805) and a spring three (806), wherein the fixed seat (805) is fixedly connected to the upper portion of the table (3), and one end of the spring three (806) is fixedly connected to one side of the fixed seat (805), and the other end is fixedly connected to an end of the rack (802) away from the clamping block (803).

4. The device for detecting the thickness of asphalt layer on asphalt road surface according to claim 2, characterized in that: A hole is provided in the middle of the table top (3), and the clamping block (803) and the clamping plate (804) are respectively located on both sides of the hole.

5. The device for detecting the thickness of asphalt layer on asphalt road surface according to claim 4, characterized in that: The measuring ruler (9) is located at the outer edge of the hole.

6. The device for detecting the thickness of asphalt layer on asphalt road surface according to claim 1, characterized in that: A notch is provided in the middle of the base (1), and the notch is much larger than the diameter of the drill bit (504).

7. The device for detecting the thickness of asphalt layer on asphalt road surface according to claim 1, characterized in that: The clamping head (708) can only be bent inwardly along the end point of the fixing ring (703).

8. A method for using a device for detecting the thickness of an asphalt layer on an asphalt road surface, characterized in that: The device for detecting the thickness of an asphalt layer on an asphalt road surface according to any one of claims 2 to 5 comprises the following steps: Step 1: Place the device at the location where sampling is required, and then simultaneously drive the electric push rod 1 (2) and the electric push rod 2 (4) to retract, so that the drill bit (504) is aligned with the location; Step 2: When the electric push rod 1 (2) and the electric push rod 2 (4) are retracted, the pull rope (607) is pulled, so that the wheel (605) enters the interior of the housing (601), so that the base (1) contacts the ground to ensure stability; Step three, the drill bit (504) is driven to rotate by the driving motor (501), and the drilling sampling is completed in cooperation with the electric push rod 1 (2) and the electric push rod 2 (4); Step 4: driving the electric push rod 2 (4) on one side to cause the table (3) to drive the drill bit (504) to tilt, so that the sample is broken and separated from the ground; Step five: The sample is taken out by the grabbing assembly (7), and then the motor (501) is turned to drive the clamping assembly (8) to clamp the sample. At this time, the asphalt thickness can be detected by the measuring ruler (9).

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