Roadbed structure layer thickness detection device

Abstract

The utility model provides a roadbed structure layer thickness detection device, which comprises a detection rod, a second fixing plate and a first fixing plate are fixedly arranged at the top and the bottom of the detection rod respectively, and a limiting mechanism is movably arranged in the second fixing plate. Comprising a detection rod, an adjusting rod, a limiting mechanism and the like, one end of the limiting rod is blocked at the rotating bottom under the action of a spring, the adjusting rod is conveniently fixed to one side of the detection rod, the size of the device can be reduced, and carrying and moving are convenient; the device is simple in structure and high in practicability; the cleaning plate is driven to rotate through the rotating disc and the rotating rod, sundries at the bottom of the inner side of the drill hole are conveniently cleaned, the situation that the sundries block the bottom of the adjusting rod to affect the descending height of the adjusting rod and the sliding plate is avoided, and the influence on the detection structure is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of roadbed structure layer thickness detection, in particular to a roadbed structure layer thickness detection device. Background Art

[0002] The roadbed structure layer is a multi-layer structure including the laying cushion layer, base layer and cotton layer. Each layer will reach the required thickness, so the thickness of the roadbed structure needs to be tested.

[0003] The Chinese utility model patent with publication number CN211872943U proposes a roadbed structure layer thickness detection device, including a mounting seat, the mounting seat is a rectangular plate-shaped structure, and a support column is movably installed at the four corners of the lower end of the mounting seat, and a sleeve is provided at the lower end of the support column. A bubble level is embedded and fixedly installed at the front of the upper end of the mounting seat, and the rear end of the roadbed structure layer is calculated by the height difference of the descending indicator plate. However, since the scale is fixed on the top of the mounting seat and the bottom of the mounting seat is provided with a structure for adjusting the inclination of the four corners of the mounting seat, the structure of the device is relatively complex, the volume is large, it is inconvenient to carry and move, and the practicality is low.

[0004] To this end, the utility model provides a roadbed structure layer thickness detection device. Utility Model Content

[0005] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a roadbed structure layer thickness detection device to solve the problems raised in the above-mentioned background technology. The utility model includes a detection rod, an adjusting rod and a limiting mechanism. The adjusting rod is limited between the detection rod by the limiting mechanism and the turntable, so that the device has a simple structure, a small size, is easy to carry and move, and is highly practical.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a roadbed structure layer thickness detection device, including a detection rod, the top and bottom of the detection rod are respectively fixed with a second fixed plate and a first fixed plate, the second fixed plate is internally movably provided with a limiting mechanism, a slide plate is slidably provided on the detection rod through a sliding hole, an adjusting rod is fixedly provided inside one end of the slide plate, a cleaning mechanism is provided at the bottom end of the adjusting rod, and the cleaning mechanism includes a cleaning plate.

[0007] Furthermore, a rotating rod is provided inside the adjusting rod for limiting rotation, and the cleaning plates are symmetrically fixed on both sides of the bottom end of the rotating rod.

[0008] Furthermore, a rotating disk is fixedly arranged at the top end of the rotating rod, and the cleaning plate is movably arranged inside the first fixed plate.

[0009] Furthermore, the slide plate is a transparent acrylic plate, and an indicator line is arranged on the outer wall of the slide plate.

[0010] Furthermore, scales are symmetrically arranged on the front and rear sides of the outer wall of the detection rod, and the topmost scale is the starting point.

[0011] Furthermore, the limiting mechanism comprises an installation groove, the installation groove is arranged inside the second fixing plate, and a limiting rod is installed in a limiting sliding manner inside the installation groove.

[0012] Furthermore, the limiting rod is in a cross shape, and a spring is fixedly installed between the outer side of one end of the limiting rod and the installation groove.

[0013] Furthermore, a knob is fixedly provided on one outer end of the limiting rod, and the other outer end of the limiting rod is arranged at the bottom of the turntable.

[0014] The beneficial effects of the utility model are as follows: the utility model provides a roadbed structure layer thickness detection device, which includes a detection rod, an adjusting rod and a limit mechanism, etc., wherein one end of the limit rod is blocked at the rotating bottom under the action of a spring, so that the adjusting rod can be conveniently fixed to one side of the detection rod, and the volume of the device can be reduced, making it convenient to carry and move; and the device has a simple structure and high practicality; the cleaning plate is driven to rotate by the turntable and the rotating rod, so that the debris at the bottom of the inner side of the drill hole can be cleaned conveniently, so as to avoid the debris being blocked at the bottom of the adjusting rod and affecting the descending height of the adjusting rod and the slide plate, thereby avoiding affecting the detection structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural diagram of a roadbed structure layer thickness detection device of the utility model;

[0016] Figure 2 This is a front cross-sectional view of a roadbed structure layer thickness detection device of the utility model;

[0017] Figure 3 The utility model is a roadbed structure layer thickness detection device Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 This is a structural diagram of the bottom end of an adjusting rod of a roadbed structure layer thickness detection device of the utility model;

[0019] In the figure: 1. detection rod; 2. first fixed plate; 3. second fixed plate; 4. scale; 5. slide plate; 6. indicator line; 7. adjustment rod; 8. turntable; 9. cleaning plate; 10. limit rod; 11. rotating rod. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] See also Figures 1 to 4 The utility model provides a technical solution: a roadbed structure layer thickness detection device, including a detection rod 1, a second fixed plate 3 and a first fixed plate 2 are fixedly arranged on the top and bottom of the detection rod 1 respectively, a limiting mechanism is movably arranged inside the second fixed plate 3, a slide plate 5 is slidably arranged on the detection rod 1 through a slide hole, an adjusting rod 7 is fixedly arranged inside one end of the slide plate 5, a cleaning mechanism is arranged at the bottom end of the adjusting rod 7, and the cleaning mechanism includes a cleaning plate 9. The device has a simple structure, is easy to operate, and is highly practical.

[0022] In this embodiment, the internal limit rotation of the adjusting rod 7 is provided with a rotating rod 11, the cleaning plate 9 is symmetrically fixed on both sides of the bottom end of the rotating rod 11, the top of the rotating rod 11 is fixed with a turntable 8, and the cleaning plate 9 is movably arranged inside the first fixed plate 2. The turntable 8 can drive the cleaning plate 9 to rotate at the bottom end of the adjusting rod 7 through the rotating rod 11, so as to facilitate the cleaning of the debris at the bottom of the inner side of the drill hole and avoid the debris from affecting the descending height of the adjusting rod 7.

[0023] In this embodiment, the slide plate 5 is a transparent acrylic plate, an indicator line 6 is arranged on the outer wall of the slide plate 5, and scales 4 are symmetrically arranged on the front and rear sides of the outer wall of the detection rod 1. The top scale 4 is the starting point. The slide plate 5 slides on the detection rod 1 to change the scale 4 corresponding to the indicator line 6, so that the thickness of the roadbed structure layer can be directly read through the indicator line 6, and the operation is simple and convenient.

[0024] In this embodiment, the limiting mechanism includes a mounting groove, which is opened inside the second fixed plate 3. A limiting rod 10 is installed in the internal limiting sliding manner of the mounting groove. The limiting rod 10 is cross-shaped. A spring is fixedly installed between the outer side of one end of the limiting rod 10 and the mounting groove. A knob is fixedly provided at one end of the outer side of the limiting rod 10. The other end of the outer side of the limiting rod 10 is provided at the bottom of the turntable 8. Under the elastic force of the spring, one end of the limiting rod 10 is stuck at the bottom of the turntable 8, and the turntable 8 can be limited, so that the adjusting rod 7 can be limited by the rotating rod 11, which is convenient for fixing the limiting rod 10 on one side of the detection rod 1, reducing the volume of the device, and facilitating the carrying and movement of the device.

[0025] When using the roadbed structure layer thickness detection device, a bubble level is provided on the top of the second fixed plate 3. The device is placed on the top of the borehole through the first fixed plate 2, and the cleaning plate 9 and the adjusting rod 7 are aligned with the borehole. The bubble level is observed to adjust the detection rod 1 so that the detection rod 1 is in a vertical state. The knob and the limit rod 10 are pulled to one side. The limit rod 10 compresses the spring, and one end of the limit rod 10 is moved away from the bottom of the turntable 8. The adjusting rod 7 is moved downward and drives the slide plate 5 to slide on the detection rod 1. At the same time, the cleaning plate 9 is driven into the inside of the borehole through the rotating rod 11. When the rotating rod 11 contacts the bottom of the borehole, the turntable 8 is rotated. The turntable 8 drives the cleaning plate 9 to rotate inside the borehole through the rotating rod 11, so that Clean up the debris at the bottom of the inner side of the borehole so that the bottom ends of the rotating rod 11 and the cleaning plate 9 are in contact with the bottom of the borehole, observe the position of the scale 4 indicated by the indicator line 6 at this time, and directly read the reading, which is the depth of the borehole, that is, the thickness of the roadbed structure layer. The device includes a detection rod 1, an adjusting rod 7 and a limit mechanism, etc., with a simple structure and simple and convenient operation; when storing, move the turntable 8, the rotating rod 11, and the adjusting rod 7 upward, and pull the knob and the limit rod 10 to one side. After adjusting the turntable 8 to the top, release the limit rod 10. The limit rod 10 is blocked at the bottom of the turntable 8 under the elastic force of the spring, which is convenient for fixing the adjusting rod 7 on one side of the detection rod 1, can reduce the volume of the device, and is convenient for carrying and moving.

[0026] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A roadbed structure layer thickness detection device, comprising a detection rod (1), characterized in that: A second fixing plate (3) and a first fixing plate (2) are fixedly arranged at the top and bottom of the detection rod (1), respectively; a limiting mechanism is movably arranged inside the second fixing plate (3); a slide plate (5) is slidably arranged on the detection rod (1) through a slide hole; an adjusting rod (7) is fixedly arranged inside one end of the slide plate (5); a cleaning mechanism is arranged at the bottom end of the adjusting rod (7), and the cleaning mechanism comprises a cleaning plate (9).

2. A roadbed structure layer thickness detection device according to claim 1, characterized in that: The adjusting rod (7) is internally provided with a rotating rod (11) for limiting rotation, and the cleaning plate (9) is symmetrically fixedly arranged on both sides of the bottom end of the rotating rod (11).

3. A roadbed structure layer thickness detection device according to claim 2, characterized in that: A rotating disk (8) is fixedly arranged at the top end of the rotating rod (11), and the cleaning plate (9) is movably arranged inside the first fixed plate (2).

4. A roadbed structure layer thickness detection device according to claim 1, characterized in that: The slide plate (5) is a transparent acrylic plate, and an indicator line (6) is provided on the outer wall of the slide plate (5).

5. A roadbed structure layer thickness detection device according to claim 1, characterized in that: Scales (4) are symmetrically arranged on the front and rear sides of the outer wall of the detection rod (1), and the top of the scale (4) is the starting point.

6. A roadbed structure layer thickness detection device according to claim 3, characterized in that: The limiting mechanism comprises a mounting groove, the mounting groove is arranged inside the second fixing plate (3), and a limiting rod (10) is slidably mounted inside the mounting groove.

7. A roadbed structure layer thickness detection device according to claim 6, characterized in that: The limiting rod (10) is in the shape of a cross, and a spring is fixedly installed between the outer side of one end of the limiting rod (10) and the installation groove.

8. A roadbed structure layer thickness detection device according to claim 7, characterized in that: A knob is fixedly arranged at one outer end of the limiting rod (10), and the other outer end of the limiting rod (10) is arranged at the bottom of the rotating disk (8).

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