Asphalt pavement thickness detection device

Abstract

The utility model discloses an asphalt pavement thickness detection device, which comprises a fixed frame, a vertical rod arranged in the fixed frame, and a lifting plate arranged on the vertical rod in a penetrating manner; the supporting rod assembly is fixedly connected to the lifting plate, the supporting rod assembly penetrates through the fixing frame, the lower end of the supporting rod assembly is connected with an inserting rod, and the inserting rod penetrates through the bottom of the fixing frame; a guide rod is vertically arranged in the fixing frame, the measuring assembly is connected with the guide rod in a sliding mode, and the measuring assembly is in transmission connection with the supporting rod assembly through a gear. The asphalt thickness detector has the advantages of being convenient to use, capable of visually detecting the specific thickness value of asphalt and the like.

Description

Technical Field

[0001] The utility model relates to the technical field of road detection, in particular to an asphalt pavement thickness detection device. Background Art

[0002] Asphalt pavement refers to various types of pavement paved with road asphalt materials mixed into mineral materials. Asphalt binder improves the ability of paving aggregate to resist damage to the road surface caused by traffic and natural factors, making the road surface smooth, dust-free, impermeable and durable. Therefore, asphalt pavement is the most widely used high-grade pavement in road construction. The asphalt structural layer of asphalt pavement itself belongs to the category of flexible pavement, but its base layer can also use rigid cement concrete or semi-rigid hydraulic materials in addition to flexible materials.

[0003] When laying an asphalt pavement, before the asphalt is dried, the thickness of the asphalt pavement needs to be measured first. A Chinese patent document discloses a device for quickly detecting the thickness of an asphalt pavement in a high-cold area. The patent publication number is: CN217839616U. This solution is provided with a plug rod, a fixing frame, and a support assembly. During the detection, the plug rod can be restricted by the fixing frame so that the plug rod can drive the strip plate to move stably, thereby completing the measurement of the asphalt thickness. However, the threaded column in this solution is not conducive to quickly extending the plug rod into the bottom of the asphalt layer, especially during the paving construction of the asphalt spreader, the simultaneous detection of the paving thickness of the asphalt will affect the detection speed. At the same time, after the plug rod is inserted, the method of reading the value by the moving position of the strip plate on the measuring rod is not convenient for reading the value quickly and intuitively, especially when a person stands on the asphalt spreader and measures synchronously with the vehicle, he needs to bend over to read the value, which makes it inconvenient to read the value. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the utility model provides an asphalt pavement thickness detection device, which can solve the problem that it is inconvenient to intuitively read the specific detection value of the asphalt thickness.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: an asphalt pavement thickness detection device, characterized in that it includes: a fixed frame, a vertical rod is arranged in the fixed frame, and a lifting plate is passed through the vertical rod; a strut assembly, the strut assembly is fixedly connected to the lifting plate, the strut assembly passes through the fixed frame, the lower end of the strut assembly is connected to the insertion rod, and the insertion rod passes through the bottom of the fixed frame; a measuring assembly, a guide rod is vertically arranged in the fixed frame, the measuring assembly is slidably connected to the guide rod, and the measuring assembly is connected to the strut assembly through a gear transmission.

[0006] The lifting plate is passed through the vertical rod. When pressure is applied to the strut assembly, the lifting plate descends along the vertical rod, so that the insertion rod is inserted into the asphalt layer under pressure and gradually extends to the bottom of the asphalt layer. When a person stands on the asphalt spreader, the laid asphalt layer can be conveniently and quickly synchronously detected, thereby improving the efficiency of detection in the process of synchronous measurement on the vehicle. Since the measuring assembly is connected to the strut assembly through a gear transmission, when pressure is applied to the strut assembly, as the insertion rod moves downward, the measuring assembly rises synchronously, and the value can be read by lifting and lowering the measuring assembly. This method allows for more intuitive and rapid reading.

[0007] Furthermore, the measuring component includes a slider slidably arranged on the guide rod, the top end of the slider is vertically connected to a measuring rod, the side wall of the measuring rod has scale lines, and the top end of the fixing frame has a through hole for the measuring rod to pass through.

[0008] The lifting measuring rod makes the measuring process easier. The lifting rod can gradually extend out of the fixed frame in the next process of inserting the rod. The user can directly obtain the measurement result by checking the scale line through the exposed part of the measuring rod. In addition, the design of the slider sliding on the guide rod also makes the measuring process smoother. The slider can be accurately lifted and lowered under the transmission of the gear, and the lifting and lowering of the slider drives the lifting and lowering of the measuring rod, thereby improving the measurement accuracy.

[0009] Furthermore, a first rack is vertically arranged on one side of the slider close to the support rod assembly, the support rod assembly includes a lower pressure rod fixed to the bottom of the lifting plate, a second rack is arranged on one side of the lower pressure rod close to the slider, the gear is rotatably arranged on the inner side wall of the fixed frame, and the first rack and the second rack are meshed with the gear.

[0010] This design ensures the accuracy of measurement and the stability of the equipment, because the meshing of the gear, the first rack and the second rack can accurately control the movement of the measuring rod and avoid deviations caused by manual operation.

[0011] Furthermore, the support rod assembly also includes an upper pressure rod fixedly arranged on the top of the lifting plate, and the top end of the upper pressure rod is connected to a handle.

[0012] Furthermore, the vertical rod is arranged near the two side walls of the fixing frame, and a rectangular hole for the sliding block to pass through is opened on the lifting plate.

[0013] Furthermore, a clamping assembly is provided between two sides of the lifting plate and two inner side walls of the fixing frame.

[0014] Furthermore, the clamping assembly includes a telescopic rod horizontally slidably arranged on both sides of the lifting plate, a clamping block is installed at the front end of the telescopic rod, a spring is sleeved on the telescopic rod, the spring is located between the side wall of the lifting plate and the clamping block, and a clamping block is arranged on the upper side of the inner side wall of the fixed frame, and the clamping block has a clamping groove matching the clamping block.

[0015] When the lifting plate rises to the upper side of the fixed frame, the insertion rod is stored in the fixed frame to prevent the insertion rod from being damaged. At the same time, the lifting plate is fixed to the side wall of the fixed frame by the clamping assembly. In this way, it can prevent the support rod assembly, the slider and other components from automatically descending under the action of gravity, causing the insertion rod to extend out of the fixed frame.

[0016] Furthermore, a support plate is connected to the bottom of the fixing frame.

[0017] During testing, the asphalt has not completely solidified, and the support plate is used to increase the contact area of ​​the device on the asphalt surface to prevent the device from sinking too much into the asphalt layer when pressed, which would affect the accuracy of the test.

[0018] Furthermore, the bottom end of the insertion rod has a cone tip, and the support plate is located below the cone tip and is provided with a round hole for the insertion rod to pass through.

[0019] In summary, the utility model has the advantages of being easy to use and being able to intuitively detect the specific thickness value of asphalt. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the asphalt pavement thickness detection device.

[0021] Figure 2 It is a cross-sectional view of an asphalt pavement thickness detection device.

[0022] Figure 3 for Figure 2 Enlarged view of point A in the middle.

[0023] The reference numerals in the accompanying drawings are as follows: 1. fixing frame; 11. vertical rod; 12. guide rod; 13. support plate; 131. round hole; 2. lifting plate; 21. rectangular hole; 3. support rod assembly; 31. lower pressure rod; 311. second rack; 32. upper pressure rod; 321. handle; 4. insertion rod; 41. cone tip; 5. measuring assembly; 51. slider; 511. first rack; 52. measuring rod; 521. scale line; 6. gear; 7. snap-fit ​​assembly; 71. telescopic rod; 711. clamping block; 712. spring; 74. clamping block; 741. clamping slot. DETAILED DESCRIPTION

[0024] The utility model is further described in detail below in conjunction with the embodiments.

[0025] When implementing: Figures 1 to 3 As shown, an asphalt pavement thickness detection device includes: a fixed frame 1, wherein a vertical rod 11 is arranged inside the fixed frame 1, and a lifting plate 2 is passed through the vertical rod 11; a strut assembly 3, wherein the strut assembly 3 is fixedly connected to the lifting plate 2, the strut assembly 3 passes through the fixed frame 1, and the lower end of the strut assembly 3 is connected to the insertion rod 4, and the insertion rod 4 passes through the bottom of the fixed frame 1; a measuring assembly 5, wherein a guide rod 12 is vertically arranged inside the fixed frame 1, the measuring assembly 5 is slidably connected to the guide rod 12, and the measuring assembly 5 is connected to the strut assembly 3 through a gear 6. The measuring assembly 5 includes a slider 51 slidably arranged on the guide rod 12, and a measuring rod 52 is vertically connected to the top of the slider 51, and the side wall of the measuring rod 52 has a scale line 521, and the top of the fixed frame 1 has a through hole for the measuring rod 52 to pass through.

[0026] First, the device includes a fixed frame 1, a vertical rod 11, a lifting plate 2, a support rod assembly 3, a plug rod 4, a measuring assembly 5, and a gear 6. This structure not only ensures the stability of the device, but also enables accurate measurement. The lifting plate 2 on the vertical rod 11 can move on the vertical rod 11, and the support rod assembly 3 is fixed on the lifting plate 2 and passes through the fixed frame 1, which means that the support rod assembly 3 can be pressed by a person to press the support rod assembly 3 and the lifting plate 2 downward, so that the asphalt layer can be tested more quickly and continuously. The plug rod 4 passes through the bottom of the fixed frame 1, providing a reference point for measurement. The measuring assembly 5 is connected to the support rod assembly 3 through the gear 6 transmission, which can ensure the accuracy and consistency of the measurement. When not tested, the measuring rod 52 is located inside the fixed frame 1. During the downward movement of the plug rod 4, the measuring rod 52 rises synchronously. The tester can read the value through the measuring rod 52 exposed from the fixed frame 1, and thus more intuitively and conveniently derive the thickness of the asphalt layer. These design features make this device highly accurate and reliable in measuring asphalt pavement thickness, thereby improving the quality and efficiency of road construction.

[0027] During implementation, a first rack 511 is vertically arranged on one side of the slider 51 close to the support rod assembly 3, the support rod assembly 3 includes a lower pressure rod 31 fixed to the bottom of the lifting plate 2, and a second rack 311 is arranged on one side of the lower pressure rod 31 close to the slider 51, and the gear 6 is rotatably arranged on the inner wall of the fixed frame 1, and the first rack 511 and the second rack 311 are meshed with the gear 6.

[0028] During implementation, the support rod assembly 3 further includes an upper pressing rod 32 fixedly disposed on the top of the lifting plate 2 , and the top end of the upper pressing rod 32 is connected to a handle 321 .

[0029] During implementation, the vertical rod 11 is arranged near the two side walls of the fixing frame 1, and a rectangular hole 21 is provided on the lifting plate 2 for the slider 51 to pass through. A clamping assembly 7 is arranged between the two sides of the lifting plate 2 in the length direction and the two inner side walls of the fixing frame 1. The clamping assembly 7 includes a telescopic rod 71 horizontally slidably arranged on both sides of the lifting plate 2, a clamping block 711 is installed at the front end of the telescopic rod 71, a spring 712 is sleeved on the telescopic rod 71, and the spring 712 is located between the side wall of the lifting plate 2 and the clamping block 711, and a clamping block 74 is arranged on the upper side of the inner side wall of the fixing frame 1, and the clamping block 74 has a clamping groove 741 matched with the clamping block 711. When the support rod assembly 3 rises, the lifting plate 2 moves to the clamping block 74, which is arranged on the upper side of the inner wall of the fixing frame 1. The telescopic rod 71 slides through squeezing and is reset under the action of the spring 712, thereby preventing the insertion rod 4 from being exposed outside the fixing frame 1, causing inconvenience in carrying and the risk of damage including bending.

[0030] In implementation, the bottom of the fixing frame 1 is connected with a support plate 13. Specifically, the bottom end of the insertion rod 4 has a cone tip 41, and the support plate 13 is provided with a circular hole 131 below the cone tip 41 for the insertion rod 4 to pass through.

[0031] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An asphalt pavement thickness detection device, characterized in that: include: A fixing frame, wherein a vertical rod is arranged inside the fixing frame, and a lifting plate is passed through the vertical rod; A support rod assembly, the support rod assembly is fixedly connected to the lifting plate, the support rod assembly passes through the fixing frame, the lower end of the support rod assembly is connected to the insertion rod, and the insertion rod passes through the bottom of the fixing frame; A measuring assembly, wherein a guide rod is vertically arranged in the fixing frame, the measuring assembly is slidably connected to the guide rod, and the measuring assembly is connected to the support rod assembly through gear transmission.

2. The asphalt pavement thickness detection device according to claim 1, characterized in that: The measuring assembly comprises a slider slidably arranged on the guide rod, the top end of the slider is vertically connected with a measuring rod, the side wall of the measuring rod has scale lines, and the top end of the fixing frame has a through hole for the measuring rod to pass through.

3. The asphalt pavement thickness detection device according to claim 2, characterized in that: A first rack is vertically arranged on one side of the slider close to the support rod assembly, and the support rod assembly includes a lower pressure rod fixed to the bottom of the lifting plate, and a second rack is arranged on one side of the lower pressure rod close to the slider, and the gear is rotatably arranged on the inner side wall of the fixed frame, and the first rack and the second rack are meshed with the gear.

4. The asphalt pavement thickness detection device according to claim 3, characterized in that: The support rod assembly also includes an upper pressure rod fixedly arranged on the top of the lifting plate, and the top end of the upper pressure rod is connected to a handle.

5. The asphalt pavement thickness detection device according to claim 3, characterized in that: The vertical rods are arranged near the two side walls of the fixing frame, and the lifting plate is provided with rectangular holes for the sliding blocks to pass through.

6. The asphalt pavement thickness detection device according to claim 5, characterized in that: A clamping assembly is arranged between the two sides of the lifting plate and the two inner side walls of the fixing frame.

7. The asphalt pavement thickness detection device according to claim 6, characterized in that: The clamping assembly includes a telescopic rod horizontally slidably arranged on both sides of the lifting plate, a clamping block is installed at the front end of the telescopic rod, a spring is sleeved on the telescopic rod, and the spring is located between the side wall of the lifting plate and the clamping block, and a clamping block is arranged on the upper side of the inner side wall of the fixing frame, and the clamping block has a clamping groove that matches the clamping block.

8. The asphalt pavement thickness detection device according to claim 1, characterized in that: The bottom of the fixing frame is connected with a supporting plate.

9. The asphalt pavement thickness detection device according to claim 8, characterized in that: The bottom end of the insertion rod is provided with a cone tip, and the support plate is located below the cone tip and is provided with a round hole for the insertion rod to pass through.

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