CN219511433U - Road water stable layer thickness detection device - Google Patents

Abstract

The utility model discloses a road water stable layer thickness detection device, which comprises an outer rod, wherein a sliding cavity along the axis direction is arranged in the outer rod, a core rod is arranged in the sliding cavity and is in sliding connection with the outer rod, an indicator is arranged on the core rod, scale marks are arranged on the outer side wall of the outer rod along the axis direction, when the lower end of the core rod is flush with the lower end of the outer rod, the indicator is aligned with the scale marks '0', a lower pressing disc is connected on the outer rod in a sliding manner, an ear plate is arranged on the outer side of the core rod, and the ear plate extends out of the outer rod and is provided with a chute for sliding the ear plate along the axis direction; according to the utility model, the lug plate is pressed down by the lower pressing plate, the core rod is driven to slide in the inner sliding cavity of the outer rod, so that the core rod is inserted into the water stabilizing layer, the scale number of the scale mark corresponding to the indication mark is the thickness of the water stabilizing layer, the core rod is pressed in by the lower pressing plate, labor is saved, the insertion is quicker, the thickness of the water stabilizing layer can be measured continuously for multiple times, the operation is convenient, the water stabilizing thickness measuring efficiency is high, the whole structure is simple, the manufacturing cost is low, and the operation of workers is convenient.

Description

Road water stable layer thickness detection device

Technical Field

The utility model relates to the technical field of water stable layer thickness detection, in particular to a road water stable layer thickness detection device.

Background

In road construction, the thickness of the water stabilizing layer is one of the key parameters, and the thickness of the water stabilizing layer affects the bearing capacity and stability of the road and also affects the service life of the road. Therefore, the detection of the thickness of the water stabilization layer is particularly important in road construction. At present, common road water stable layer thickness detection methods include technologies such as drilling, radar and ultrasonic. The drilling detection method is high in accuracy, but is complex in operation, time-consuming, labor-consuming and damaging in pavement; the radar detection method does not damage the road surface, but the accuracy is greatly influenced by the condition of the road surface; the ultrasonic detection method is greatly affected by environmental noise and pavement materials. As disclosed in patent No. 202221319263.5, a simple water stable thickness detection device comprises a drill barrel, wherein the drill barrel is enclosed to form a cavity, the drill barrel is provided with a transparent wall, and a scale mark part is arranged on the drill barrel along the axis direction; the operating rod is connected to the drilling barrel and extends along the axial direction of the drilling barrel; when using, operating personnel can grip the action bars and insert the steady layer of water with the drill barrel, after extracting the drill barrel, the drill barrel inner wall bonds there is a small amount of material, operating personnel looks over the transparent wall material trace and combines the short-term of stable layer thickness of reading water that scale mark portion can be clear quick, but, the steady layer of water is the stable rubble layer of cement's abbreviation, contain the rubble in the steady layer of water, comparatively laborious when inserting the drill barrel, adopt the material trace to combine the mode reading steady layer thickness of water of scale mark moreover, can only measure once, it need clear away last trace to measure again, just more loaded down with trivial details to need the steady layer thickness of water of continuous multiple measurement.

Disclosure of Invention

The utility model aims to solve the technical problems that: the road water stable layer thickness detection device is labor-saving and high in efficiency.

In order to solve the technical problems, the utility model comprises an outer rod, a sliding cavity along the axis direction is arranged in the outer rod, a core rod is arranged in the sliding cavity and is in sliding connection with the outer rod, an indicator is arranged on the core rod, scale marks are arranged on the outer side wall of the outer rod along the axis direction, when the lower end of the core rod is flush with the lower end of the outer rod, the indicator is aligned with the 0 scale marks of the scale marks, a lower pressing disc is in sliding connection with the outer rod, an ear plate is arranged on the outer side of the core rod, and an ear plate sliding chute is arranged on the outer rod along the axis direction.

Preferably, the number of the ear plates is at least two and the ear plates are circumferentially distributed.

Preferably, one end of the outer rod, which is close to the sliding cavity, is provided with a supporting plate, the bottom surface of the supporting plate is flush with the bottom end surface of the outer rod, and the other end of the outer rod is provided with a handle.

Preferably, one end of the outer rod is provided with a threaded portion, the supporting plate is provided with a threaded hole, and the threaded hole in the supporting plate is in threaded connection with the threaded portion.

Preferably, the outer side of the outer rod, which is close to the threaded part, is provided with a limiting protrusion.

Preferably, the end of the core rod extending out is a sharp part.

Preferably, the outer rod is provided with a wire groove for sliding the indicator along the axis direction, the outer side of the indicator does not extend out of the outer side wall of the outer rod, and the scale line is close to one side of the wire groove.

Preferably, the outer rod is arranged above the lower pressing plate, and a fixed plate is arranged above the lower pressing plate, and a spring is connected between the lower pressing plate and the fixed plate.

Preferably, a holding rod connected into a whole is arranged on the outer side of the lower pressing plate.

The beneficial effects of the utility model are as follows: according to the utility model, the lug plate is pressed down by the lower pressing plate, the core rod is driven to slide in the inner sliding cavity of the outer rod, so that the core rod is inserted into the water stabilizing layer, the scale number of the scale mark corresponding to the indication mark is the thickness of the water stabilizing layer, the core rod is pressed in by the lower pressing plate, labor is saved, the insertion is quicker, the water stabilizing layer can be measured continuously for multiple times, the operation is convenient, the water stabilizing thickness measuring efficiency is high, the whole structure is simple, the manufacturing cost is low, and the operation of workers is convenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic illustration of the outer rod portion structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of an outer rod of the present utility model;

FIG. 4 is a schematic view of a core rod portion of the present utility model.

In the figure: 1. an outer rod; 101. a sliding cavity; 102. scale marks; 103. a chute; 104. a handle; 105. a threaded portion; 106. a limit protrusion; 107. a wire slot; 108. a fixed plate; 2. a core bar; 201. an indicator; 202. ear plates; 203. a sharp portion; 3. a lower platen; 301. a grip; 4. a support plate; 401. a threaded hole; 5. and (3) a spring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, in which all directional indications (such as up, down, left, right, front, and rear … …) are only used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

As shown in fig. 1-4, this embodiment provides a road water stable layer thickness detection device, including outer pole 1 and core bar 2, be equipped with the smooth chamber 101 along the axis direction in the outer pole 1, the length of smooth chamber 101 is not less than the length of core bar 2, core bar 2 locates in smooth chamber 101 and with outer pole 1 sliding connection, be equipped with on the core bar 2 and be equipped with index mark 201 and at the lateral wall of outer pole 1 along the axis direction, when the lower extreme of core bar 2 is parallel and level with outer pole 1 lower extreme, index mark 201 aligns with the "0" scale of index mark 102, sliding connection has lower pressure disk 3 on the outer pole 1, the outside of core bar 2 is equipped with two otic placodes 202, and two otic placodes 202 symmetry are fixed on core bar 2, the otic placodes 202 stretches out outer pole 1 and is equipped with the spout 103 that the otic placodes 202 slided along the axis direction, and in order to make things convenient for core bar 2 to insert fast to water stable layer, the one end that stretches out at core bar 2 is sharp-pointed part 203, namely the one end that core bar 2 inserts into water stable layer is pointed part 203.

As shown in fig. 1-3, one end of the outer rod 1, which is close to the sliding cavity 101, is provided with a supporting plate 4, the bottom surface of the supporting plate 4 is flush with the bottom surface of the outer rod 1, the other end of the outer rod 1 is provided with a handle 104, the handle 104 adopts a closed-loop structure, the holding is convenient, the supporting plate 4 is a circular plate, the supporting plate 4 is detachably connected with the outer rod 1, specifically, one end of the outer rod 1 is provided with a threaded part 105, the center position of the supporting plate 4 is provided with a threaded hole 401, the threaded hole 401 on the supporting plate 4 is in threaded connection with the threaded part 105, the outer side of the outer rod 1, which is close to the threaded part 105, is provided with a limiting protrusion 106, the limiting protrusion 106 limits the position of the supporting plate 4, so that the bottom surface of the supporting plate 4 can be flush with the bottom surface of the outer rod 1, when the outer rod 1 is placed on the surface of a water stabilization layer to be measured, the supporting plate 4 increases the stress area, and the sinking water stabilization layer of the outer rod 1 is avoided, and the measurement accuracy is affected. The outer rod 1 is provided with the wire groove 107 for the indicator 201 to slide along the axis direction, and the outer side of the indicator 201 does not extend out of the outer side wall of the outer rod 1, and the scale mark 102 is close to one side of the wire groove 107, so that the indicator 201 is aligned with the scale mark 102, the scale mark number is convenient to observe, and the measurement error is reduced.

As shown in fig. 1 and 2, a fixed disc 108 is arranged above the lower pressing disc 3 by the outer rod 1, a spring 5 is connected between the lower pressing disc 3 and the fixed disc 108, a holding rod 301 connected into a whole is arranged on the outer side of the lower pressing disc 3, when the hydraulic control device is used, the lower pressing disc 3 is lifted upwards by the holding rod 301, and pressure is applied to the lug plate 202 on the core rod 2 by utilizing the self gravity of the lower pressing disc 3 and the reaction force of the spring 5, so that the core rod 2 is inserted into a water stabilizing layer.

The working principle of the utility model is as follows:

before measurement, the bottom of the core rod 2 and the bottom of the outer rod 1 are placed on the same plane, the 0 scale of the indicator and the scale mark 102 is compared, calibration is carried out, after calibration is accurate, the outer rod 1 and the core rod 2 are placed on the water stabilization layer to be measured, one person holds the outer rod 1 vertically, the other person lifts the lower pressing plate 3 upwards, pressure is applied to the ear plate 202 of the core rod 2 by using the lower pressing plate 3, the lower pressing plate 3 can also be directly pressed manually, the core rod 2 penetrates into the water stabilization layer downwards, the penetration depth of the core rod 2 is the scale mark number corresponding to the indicator 201 and the scale mark 102, the thickness of the water stabilization layer to be measured can be read quickly, the core rod 2 is pressed by using the lower pressing plate 3, labor and insertion is fast, meanwhile, the water stabilization layer thickness can be measured continuously for many times, the operation is convenient, the water stabilization layer thickness measurement efficiency is high, the whole structure is simple, the manufacturing cost is low, and the operation of workers is convenient.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a road water steady layer thickness detection device, its characterized in that, includes the outer pole, be equipped with the smooth chamber along the axis direction in the outer pole, the core bar is located smooth intracavity and with outer pole sliding connection, be equipped with the indicator on the core bar and be equipped with the scale mark along the axis direction at the lateral wall of outer pole, when the lower extreme of core bar and outer pole lower extreme parallel and level, the indicator aligns with the scale mark "0", sliding connection has the lower pressure disk on the outer pole, the outside of core bar is equipped with the otic placode, the otic placode stretches out outer pole and is equipped with the gliding spout of otic placode along the axis direction at the outer pole.

2. The road water stabilization layer thickness detection device according to claim 1, wherein the number of the ear plates is at least two and is circumferentially distributed.

3. The road water stabilization layer thickness detection device according to claim 1, wherein one end of the outer rod, which is close to the sliding cavity, is provided with a supporting plate, the bottom surface of the supporting plate is flush with the bottom end surface of the outer rod, and the other end of the outer rod is provided with a handle.

4. The road water stabilization layer thickness detection device according to claim 3, wherein one end of the outer rod is provided with a threaded portion, the support plate is provided with a threaded hole, and the threaded hole in the support plate is in threaded connection with the threaded portion.

5. The road water stabilization layer thickness detection device according to claim 4, wherein the outer side of the outer rod, which is close to the threaded portion, is provided with a limiting protrusion.

6. The device for detecting the thickness of a road water stabilization layer according to claim 1, wherein the end of the core rod extending out is a sharp part.

7. The road water stabilization layer thickness detection device according to claim 1, wherein the outer rod is provided with a wire groove for sliding the indicator along the axis direction, the outer side of the indicator does not extend out of the outer side wall of the outer rod, and the scale line is close to one side of the wire groove.

8. The road water stabilization layer thickness detection device according to any one of claims 1 to 7, wherein the outer rod is provided with a fixed disc above the lower pressure disc, and a spring is connected between the lower pressure disc and the fixed disc.

9. The road water stabilization layer thickness detection device according to claim 8, wherein a grip rod connected into a whole is arranged on the outer side of the lower pressure plate.