Asphalt mixture paving thickness detection device
By designing a asphalt mixture paving thickness detection device with a structure such as vertical barrel, scale, and detection plate, the problem that the prior art cannot directly read out the paving thickness value is solved, and efficient and intuitive thickness detection is achieved.
Patent Information
- Application Number
- CN202421933487.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-12
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-08-12
AI Technical Summary
The prior art cannot directly read the asphalt mixture paving thickness value, and the detection efficiency is not high.
A asphalt mixture paving thickness detection device is designed, including vertical barrel, scale, detection plate, barrier ring, limit ring, magnetic block and other structures. Through magnetic adsorption, the tip of the bottom of the measuring rod is inserted into the vertical barrel, and is protectively inserted into the paving material. The detection plate movement is driven by the installation ring to intuitively read out the paving material thickness.
It realizes intuitive and rapid detection of paving material thickness, simple operation and high detection efficiency, avoiding the risk of accidental trauma at the bottom of the measuring rod to the staff.
Smart Images
Figure CN222865805U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of detection devices, in particular to a device for detecting the thickness of asphalt mixture paving. Background Art
[0002] In the asphalt concrete surface structure, the asphalt surface directly bears the stress and abrasion of the traffic load, and is also affected by precipitation, temperature, and sunshine. Whether the designed service life of the road surface can be guaranteed, whether it is easy to cause disasters during use, and whether good flatness can be guaranteed, in addition to being affected by material factors, traffic factors, and the environment, the most important factor affecting the thickness of the asphalt surface layer is whether the thickness is accurately controlled during paving.
[0003] In daily construction, the usual method for measuring the paving thickness of the mixture is to insert a steel bar vertically into the mixture after paving, and then use a ruler to measure the insertion depth of the steel bar to obtain the paving thickness. However, it is impossible to directly read the paving thickness value, and the detection efficiency is not high. Therefore, an asphalt mixture paving thickness detection device is proposed to address the above problem. Utility Model Content
[0004] In order to make up for the shortcomings of the prior art and solve the problem that the existing detection method cannot directly read the paving thickness value and the detection efficiency is low, the utility model proposes an asphalt mixture paving thickness detection device.
[0005] The technical solution adopted by the utility model to solve its technical problems is: an asphalt mixture paving thickness detection device described in the utility model comprises a vertical cylinder, a fixed plate is fixedly installed on the outer side wall of the upper part of the vertical cylinder, a scale is installed on the fixed plate, a measuring rod is movably installed in the middle of the vertical cylinder, a handle is installed on the top of the measuring rod, a mounting ring is installed below the handle, a detection plate is fixedly connected to the side of the mounting ring, a limiting ring is fixedly installed on the inner wall of the middle part of the vertical cylinder, the measuring rod slides through the center hole of the limiting ring, a retaining ring is fixedly connected on the measuring rod and at a position below the limiting ring, a groove is opened on the top of the limiting ring, a magnetic block is fixedly installed inside the groove, and the magnetic block can adsorb the retaining ring.
[0006] Preferably, the measuring rod is adapted to the size of the center hole of the limiting ring.
[0007] Preferably, a bottom plate is fixedly connected to the bottom outer wall of the vertical tube, and the bottom plate is flush with the lower end surface of the vertical tube.
[0008] Preferably, the bottom of the scale is fixedly connected to a connecting plate, and the bottom of the connecting plate is fixedly connected to a pair of bolts, the pair of bolts respectively pass through mounting holes opened at corresponding positions on the connecting plate, and the ends of the bolts extend to below the bottom end of the connecting plate, and the bottom of the bolts is threadedly connected to a nut.
[0009] Preferably, a limiting groove is provided on the top side wall of the measuring rod, and a limiting block is fixedly connected to the inner wall of the mounting ring, and the limiting block is adapted to the limiting groove.
[0010] Preferably, a pair of detection plates are provided, and the detection plate clamps are arranged on both sides of the scale.
[0011] Preferably, an external thread is provided on the outer side wall of the top of the measuring rod, an internal thread sleeve is fixedly connected to the handle, and the internal thread sleeve is threadedly connected to the top of the measuring rod.
[0012] The utility model is beneficial in that:
[0013] 1. The utility model is provided with a vertical cylinder, a scale, a detection plate, a retaining ring, a limit ring, a magnetic block and other structures. When in use, the retaining ring is adsorbed to the bottom of the limit ring by the magnetic force of the magnetic block. At this time, the bottom tip of the measuring rod is flush with the bottom of the vertical cylinder, and the detection plate above the measuring rod is aligned with the zero scale line of the scale. In addition, the bottom tip of the measuring rod is retracted into the vertical cylinder by magnetic adsorption, which plays a protective role and prevents the bottom tip of the measuring rod from accidentally injuring the staff when the device is not in use. When measuring, the vertical cylinder is placed vertically at the position to be detected, and then the measuring rod is pressed downward by holding the handle to make the measuring rod inserted into the innermost side of the paving material. The measuring rod moves and at the same time, the detection plate is driven to move through the mounting ring. The scale line indicated by the detection plate on the scale is the thickness of the paving material. In this way, the thickness of the paving material can be detected intuitively, the operation is simple, and the detection efficiency is high.
[0014] 2. The utility model is provided with structures such as a scale, a connecting plate, bolts, nuts, etc. When in use, the connecting plate, bolts, mounting holes and nuts cooperate to facilitate quick disassembly and replacement of the scale, so that the symmetrical device can be maintained. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.
[0016] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;
[0017] Figure 2 is a cross-sectional view of embodiment 1;
[0018] Figure 3 For Example 1 Figure 2 A schematic diagram of the structure enlargement in the middle;
[0019] Figure 4 For Example 1 Figure 2 A magnified schematic diagram of the structure at B in the middle;
[0020] Figure 5 It is a schematic diagram of the local structure of the first embodiment.
[0021] In the figure: 1. vertical cylinder; 2. bottom plate; 3. fixing plate; 4. measuring rod; 5. scale; 6. handle; 7. mounting ring; 8. detection plate; 9. retaining ring; 10. limiting ring; 11. magnetic block; 12. connecting plate; 13. bolt; 14. mounting hole; 15. nut; 16. limiting groove; 17. limiting block. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Embodiment 1
[0024] See also Figure 1-5 As shown, a device for detecting the paving thickness of asphalt mixture comprises a vertical cylinder 1, a fixing plate 3 is fixedly installed on the outer wall of the upper part of the vertical cylinder 1, a scale 5 is installed on the fixing plate 3, the scale value of the scale 5 gradually increases from zero from top to bottom, a measuring rod 4 is movably installed in the middle of the vertical cylinder 1, a grip 6 is installed on the top of the measuring rod 4, a mounting ring 7 is installed below the grip 6, a detection plate 8 is fixedly connected to the side of the mounting ring 7, a limiting ring 10 is fixedly installed on the inner wall of the middle part of the vertical cylinder 1, the measuring rod 4 slides through the center hole of the limiting ring 10, a retaining ring 9 is fixedly connected on the measuring rod 4 and at a position below the limiting ring 10, a groove is opened on the top of the limiting ring 10, a magnetic block 11 is fixedly installed inside the groove, and the magnetic block 11 can adsorb the retaining ring 9;
[0025] During operation, in the initial state, the retaining ring 9 is adsorbed to the bottom of the limit ring 10 by the magnetic force of the magnetic block 11. At this time, the bottom tip of the measuring rod 4 is flush with the bottom of the vertical cylinder 1, and the detection plate 8 above the measuring rod 4 is aligned with the zero scale line of the scale 5; in addition, the bottom tip of the measuring rod 4 is retracted into the interior of the vertical cylinder 1 through magnetic adsorption, which plays a protective role to avoid accidental injury to the staff by the bottom tip of the measuring rod 4 when the device is not in use; when measuring, the vertical cylinder 1 is placed vertically at the position to be tested, and then the measuring rod 4 is pressed downward by holding the handle 6, so that the measuring rod 4 is inserted to the innermost side of the paving material. The measuring rod 4 moves and drives the detection plate 8 to move through the mounting ring 7. The scale line indicated by the detection plate 8 on the scale 5 is the thickness of the paving material. In this way, the thickness value of the paving material to be tested can be read intuitively, the operation is simple, and the detection efficiency is high.
[0026] The measuring rod 4 is adapted to the size of the center hole of the limiting ring 10; when working, the moving direction of the measuring rod 4 is limited so that the measuring rod 4 can be vertically inserted into the paving material, so that the detection result is more accurate.
[0027] A bottom plate 2 is fixedly connected to the outer wall of the bottom of the vertical cylinder 1, and the bottom plate 2 is flush with the lower end surface of the vertical cylinder 1; during operation, the contact area between the bottom of the vertical cylinder 1 and the paving material can be increased by setting the bottom plate 2, so that the vertical cylinder 1 is placed more stably.
[0028] A connecting plate 12 is fixedly connected to the bottom of the scale 5, and a pair of bolts 13 are fixedly connected to the bottom of the connecting plate 12. The pair of bolts 13 respectively penetrate mounting holes 14 opened at corresponding positions on the connecting plate 12, and the ends of the bolts 13 extend below the bottom of the connecting plate 12. Nuts 15 are threadedly connected to the bottom of the bolts 13. During operation, the connecting plate 12, the bolts 13, the mounting holes 14 and the nuts 15 cooperate to facilitate quick disassembly and replacement of the scale 5, so as to facilitate maintenance of the symmetrical device.
[0029] The top side wall of the measuring rod 4 is provided with a limiting groove 16, and the inner wall of the mounting ring 7 is fixedly connected to a limiting block 17, and the limiting block 17 is adapted to the limiting groove 16; during operation, the mounting ring 7 is inserted vertically downward from the top of the measuring rod 4 during assembly, so that the limiting block 17 is slidably inserted into the limiting groove 16, which facilitates the rapid disassembly and assembly of the detection plate 8, and the position of the detection plate 8 is determined by the cooperation of the limiting block 17 and the limiting groove 16, so that the detection plate 8 can accurately point to the scale line on the scale 5, so as to read the detection result.
[0030] A pair of detection plates 8 are provided, and the detection plates 8 are clamped on both sides of the scale 5; when working, the detection plates 8 are clamped on both sides of the scale 5 so as to correspond to the scale lines on the scale 5, so as to quickly and accurately read the detection value.
[0031] Embodiment 2
[0032] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, an external thread is provided on the outer wall of the top of the measuring rod 4, and an internal threaded sleeve is fixedly connected to the handle 6, and the internal threaded sleeve is threadedly connected to the top of the measuring rod 4; when working, the handle 6 is fixedly installed on the top of the measuring rod 4 by setting a threaded structure, which facilitates the disassembly and assembly of the handle 6. When the internal threaded sleeve on the handle 6 is installed on the top of the measuring rod 4, the lower end surface of the internal threaded sleeve abuts against the top of the mounting ring 7, and then the mounting ring 7 is stably pressed in the limiting groove 16, so that the position of the detection plate 8 can be limited, making the installation of the detection plate 8 more stable.
[0033] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. A device for detecting the thickness of asphalt mixture paving, characterized in that: The utility model comprises a vertical cylinder (1), a fixing plate (3) is fixedly mounted on the outer wall of the upper part of the vertical cylinder (1), a scale (5) is mounted on the fixing plate (3), a measuring rod (4) is movably mounted in the middle of the vertical cylinder (1), a grip (6) is mounted on the top of the measuring rod (4), a mounting ring (7) is mounted below the grip (6), a detection plate (8) is fixedly connected to the side of the mounting ring (7), a limiting ring (10) is fixedly mounted on the inner wall of the middle part of the vertical cylinder (1), the measuring rod (4) slides through the center hole of the limiting ring (10), a retaining ring (9) is fixedly connected on the measuring rod (4) and located below the limiting ring (10), a groove is opened on the top of the limiting ring (10), a magnetic block (11) is fixedly mounted inside the groove, and the magnetic block (11) can adsorb the retaining ring (9).
2. The asphalt mixture paving thickness detection device according to claim 1 is characterized in that: The measuring rod (4) is adapted to the size of the center hole of the limiting ring (10).
3. The asphalt mixture paving thickness detection device according to claim 2 is characterized in that: A bottom plate (2) is fixedly connected to the outer wall of the bottom of the vertical tube (1), and the bottom plate (2) and the lower end surface of the vertical tube (1) are flush.
4. The asphalt mixture paving thickness detection device according to claim 3 is characterized in that: The bottom of the scale (5) is fixedly connected to a connecting plate (12), and the bottom of the connecting plate (12) is fixedly connected to a pair of bolts (13), the pair of bolts (13) respectively penetrate mounting holes (14) opened at corresponding positions on the connecting plate (12), and the ends of the bolts (13) extend below the bottom of the connecting plate (12), and the bottom of the bolts (13) is threadedly connected to a nut (15).
5. The asphalt mixture paving thickness detection device according to claim 4, characterized in that: A limiting groove (16) is provided on the top side wall of the measuring rod (4), a limiting block (17) is fixedly connected to the inner wall of the mounting ring (7), and the limiting block (17) is adapted to the limiting groove (16).
6. The asphalt mixture paving thickness detection device according to claim 5, characterized in that: A pair of detection plates (8) are provided, and the detection plates (8) are clamped on both sides of the scale (5).
7. The asphalt mixture paving thickness detection device according to claim 6, characterized in that: An external thread is provided on the outer side wall of the top of the measuring rod (4), an internal thread sleeve is fixedly connected to the handle (6), and the internal thread sleeve is threadedly connected to the top of the measuring rod (4).