Measuring device for roadbed filling thickness

By designing the measuring and connecting mechanisms of the roadbed filling thickness measuring device, the problem of damage to the roadbed caused by existing devices was solved, enabling non-destructive testing and timely repair, and improving the quality and service life of roadbed paving.

CN223580870UActive Publication Date: 2025-11-21CHINA FIRST HIGHWAY ENGINEERING CO LTD +1
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Patent Information

Application Number
CN202520236420.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-14
Publication Date
2025-11-21
Estimated Expiration
2035-02-14

AI Technical Summary

Technical Problem

Existing roadbed measurement devices use a probe to penetrate the inside of the roadbed to measure its thickness, which leads to roadbed damage and makes it impossible to repair substandard areas in a timely manner.

Method used

A device for measuring the thickness of roadbed filling was designed, including a measuring mechanism, a fixing mechanism, and a connecting mechanism. The measuring rod is threadedly engaged with the fixing seat, the measuring rod is connected to the threaded groove of the cylinder, and the connecting block is connected to the metal mesh support structure, so as to realize non-destructive testing and timely repair.

Benefits of technology

This technology enables the roadbed to be inspected without damage and allows for timely repair of any substandard sections, thereby improving the quality and service life of the roadbed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of roadbed detection, and particularly relates to a roadbed filling thickness measuring device which comprises a bottom plate. A measuring mechanism is arranged on the top side of the bottom plate, a fixing mechanism is arranged on the bottom side of the bottom plate, a connecting mechanism is arranged on the side face of the bottom plate, the measuring mechanism comprises a fixing base, a first threaded groove is formed in the inner side of the fixing base, a second threaded groove is formed in the inner side of the cylinder, and a first scale groove is formed in the circumferential face of the cylinder. A second scale groove is formed in the circumferential surface of the measuring rod, a transparent plate is rotationally installed on the circumferential surface of the top side of the measuring rod, a hexagonal stud is fixed to the top end of the measuring rod, the cylinder is fixedly connected with the fixing base, roadbed laying is conducted at the moment, the thickness of the roadbed can be measured at any time, and after laying is completed, the hexagonal stud can be rotated, and the thickness of the roadbed can be measured at any time. The roadbed total thickness measuring device solves the problems that an existing measuring device can cause damage to the roadbed and can not repair the roadbed in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to roadbed detection technical field, concretely is a kind of measurement device of roadbed filling thickness. BACKGROUND

[0002] Roadbed is the basic part of road engineering, its main role is to bear vehicle load and transfer to foundation, and roadbed is usually by base soil, filler and roadbed stone etc., while realizing drainage and can stabilize pavement, in order to ensure that roadbed can be used normally, it needs to use measuring device to detect its filling thickness, to ensure the service life and safety of road.

[0003] The measuring device for the layered filling thickness of roadbed with the frame body as the main body, the bottom frame and the moving rod are arranged on the bottom side of the frame body, the bottom frame is of rectangular structure, support rods are respectively arranged at the center of the two sides of the bottom frame, top rods are connected to the top side of the support rods, threaded holes are formed in the center of the top rods, moving rods are arranged on the bottom side of the top rods, the two ends of the moving rods are respectively sleeved on the support rods through sliding cylinders, threaded rods are arranged on the top side of the moving rods, the bottom side of the threaded rods is fixedly connected with the moving rods, the top end of the threaded rods is inserted into the inner side of the threaded holes and is connected with the top rods through threaded cooperation, and plug rods are arranged on the bottom side of the moving rods.

[0004] The above-mentioned measuring device for the layered filling thickness of roadbed still has problems, the existing roadbed measuring device inserts the plug rod into the roadbed to detect the thickness, which can cause damage to the roadbed after puncturing, and cannot repair the unqualified position in time, thereby putting forward a kind of measuring device for the filling thickness of roadbed. UTILITY MODEL CONTENTS

[0005] In order to make up for the shortcomings of the prior art, the roadbed measuring device on the market inserts the plug rod into the roadbed to detect the thickness, which can cause damage to the roadbed after puncturing, and cannot repair the unqualified position in time, thereby putting forward a kind of measuring device for the filling thickness of roadbed.

[0006] The technical scheme adopted by the utility model to solve its technical problems is: the utility model discloses a kind of measuring device for the filling thickness of roadbed, including bottom plate;The bottom plate top side is provided with measuring mechanism, the bottom plate bottom side is provided with fixed mechanism, the bottom plate side is provided with connecting mechanism, and the bottom plate top side is fixed with fixed seat.

[0007] Preferably, the measuring mechanism comprises a fixed seat, a first screw groove is formed in the inner side of the fixed seat, a cylinder body is fixedly installed in the first screw groove, a second screw groove is formed in the inner side of the cylinder body, a measuring rod is rotatably installed in the cylinder body through screw cooperation, a first scale groove is formed on the circumferential surface of the cylinder body, a second scale groove is formed on the circumferential surface of the measuring rod, a transparent plate is rotatably installed on the top side circumferential surface of the measuring rod, and a hexagonal stud is fixed to the top end of the measuring rod.

[0008] Preferably, the fixing mechanism comprises a groove, a rotating block is rotatably installed in the inner side of the groove, the groove is located at the top side of the four corners of the bottom plate, a threaded rod is fixed to the bottom end of the rotating block, and the threaded rod penetrates the inner side of the bottom plate, the threaded rod is rotatably connected with the bottom plate, arc-shaped plates are fixed to the four corners of the bottom side of the bottom plate, a push block is rotatably installed on the circumferential surface of the threaded rod, and the push block is slidably installed in the inner side of the arc-shaped plate through a limiting block.

[0009] Preferably, the connecting mechanism comprises a rectangular groove, positioning grooves are symmetrically formed in the inner side of the rectangular groove, the rectangular groove is located at the center of the side surface of the bottom plate, connecting blocks are buckled in the inner side of the rectangular groove, the connecting blocks are fixedly connected through a metal net, sliding grooves are symmetrically formed in the inner side of the connecting blocks, clamping blocks are slidably installed in the inner side of the sliding grooves, springs are fixedly connected to one end of the inner side of the clamping blocks and the sliding grooves, and the clamping blocks are buckled in the inner side of the positioning grooves.

[0010] The utility model has the advantages that:

[0011] 1. The utility model discloses a roadbed filling thickness measuring device, which comprises a measuring mechanism, a fixed seat, a cylinder body, a second screw groove, a measuring rod, a first scale groove, a second scale groove, a transparent plate, a hexagonal stud and a bottom plate.

[0012] 2.The utility model discloses a roadbed filling thickness's measuring device's structure design is through setting up connecting mechanism, buckle the connecting block in the rectangular groove inboard, spring pushes the clamping block to extend from the inboard of the sliding slot to buckle in the inboard of the positioning groove to fix the connecting block in the rectangular groove inboard, a plurality of bottom plate is connected through the metal net to be able to play the auxiliary support effect to the roadbed to facilitate the measurement while, can prolong the service life of roadbed. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, obviously, the drawing in the following description only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0014] Figure 1 It is the whole front view schematic diagram of three-dimensional structure;

[0015] Figure 2 It is the main view schematic diagram of three-dimensional structure section of measuring mechanism;

[0016] Figure 3 It is the side view schematic diagram of three-dimensional structure section of fixed mechanism;

[0017] Figure 4 It is the top view schematic diagram of three-dimensional structure section of connecting mechanism;

[0018] Figure 5 It is the whole bottom view schematic diagram of three-dimensional structure.

[0019] In the drawing: 1, bottom plate;2, fixed seat;201, first screw groove;3, cylinder;4, second screw groove;5, measuring rod;6, first scale groove;7, second scale groove;8, transparent plate;9, hexagonal stud;10, recess;11, rotating block;12, threaded rod;13, push block;14, arc plate;15, rectangular groove;16, positioning groove;17, connecting block;18, metal net;19, sliding slot;20, clamping block;21, spring;22, antiskid rib groove. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model, obviously, the described embodiments only some embodiments of the utility model, not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without making creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figures 1-4As shown, a kind of measuring device of subgrade filling thickness, including bottom plate 1;The top side of the bottom plate 1 is provided with measuring mechanism, the bottom side of the bottom plate 1 is provided with fixed mechanism, the side of the bottom plate 1 is provided with connecting mechanism, the top side of the bottom plate 1 is fixed with fixed seat 2;

[0022] As shown in the drawings Figure 2 As shown, the measuring mechanism includes fixed seat 2, the inner side of fixed seat 2 is provided with first screw groove 201, the first screw groove 201 is fixedly installed with cylinder 3 in the inner side, the inner side of cylinder 3 is provided with second screw groove 4, the inner side of cylinder 3 is rotatably installed with measuring rod 5 by screwing, the circumference of cylinder 3 is provided with first scale groove 6, the circumference of measuring rod 5 is provided with second scale groove 7, the top side of the circumference of measuring rod 5 is rotatably installed with transparent plate 8, the top end of measuring rod 5 is fixed with hexagonal stud 9, the fixed seat 2 is located at the top side center of bottom plate 1, the bottom side of the circumference of measuring rod 5 is rotatably connected with cylinder 3 by screwing;When working, when the existing measuring device is prone to damage subgrade, and not easy to subsequent repair problem, the structure of measuring mechanism, the bottom plate 1 is placed on the ground where the subgrade is laid, the cylinder 3 is fixedly connected with fixed seat 2 under the cooperation of first screw groove 201, at this time, the thickness of the laid subgrade can be measured at any time under the cooperation of first scale groove 6 when laying subgrade, after laying, the hexagonal stud 9 can be rotated to drive the expansion and contraction of measuring rod 5, so that the transparent plate 8 is tightly attached to the top side surface of the subgrade, and the total thickness of the subgrade is measured by second scale groove 7, which will not cause damage to the subgrade, and the cylinder 3 and measuring rod 5 can be removed and reused at any time after use.

[0023] As shown in the drawings Figure 3 As shown, the fixed mechanism includes groove 10, the inner side of groove 10 is rotatably installed with rotating block 11, the groove 10 is located at the top side four corners of bottom plate 1, the bottom end of rotating block 11 is fixed with threaded rod 12, and the threaded rod 12 penetrates the inner side of bottom plate 1, the threaded rod 12 is rotatably connected with bottom plate 1, the bottom side four corners of bottom plate 1 are fixed with arc plate 14, the circumference of threaded rod 12 is rotatably installed with push block 13, and the push block 13 is slidably installed in the inner side of arc plate 14 by limiting block cooperation;When working, when the measuring process is prone to damage the subgrade, the structure of fixed mechanism, the bottom plate 1 is placed on the bottom surface of the subgrade to be laid, at this time, the arc plate 14 at the bottom side is inserted into the inner side of the ground, then the threaded rod 12 is rotated by rotating block 11 to drive the push block 13 to slide in the inner side of arc plate 14, at this time, the push block 13 expands the arc plate 14, so that the bottom plate 1 is fixed on the ground, which facilitates subsequent measurement, and also plays a supporting role for the subgrade.

[0024] As shown in the drawings Figure 4As shown, the connecting mechanism includes a rectangular slot 15, the inside of which is symmetrically provided with a positioning slot 16, the rectangular slot 15 is located at the center of the side of the bottom plate 1, the connecting block 17 is buckled inside the rectangular slot 15, the connecting blocks 17 are fixedly connected through the metal net 18, the sliding groove 19 is symmetrically provided inside the connecting block 17, the clamping block 20 is slidably installed inside the sliding groove 19, the spring 21 is fixedly connected to one end of the inside of the sliding groove 19 of the clamping block 20, and the clamping block 20 is buckled inside the positioning slot 16; When the roadbed bottom side collapses and affects the normal use of the roadbed, the connecting mechanism can connect multiple bottom plates 1 under the cooperation of the connecting block 17 and the metal net 18, the connecting block 17 is buckled inside the rectangular slot 15 at this time, the clamping block 20 is moved to one end of the positioning slot 16, the spring 21 automatically pushes the clamping block 20 out of the sliding groove 19 by its automatic elastic force, and the connecting block 17 is fixed in the rectangular slot 15, so that the multiple bottom plates 1 are connected through the metal net 18, which can support the roadbed, thereby facilitating measurement and prolonging the service life of the roadbed.

[0025] Please refer to Figure 5 As shown, the circumferential surface of the arc-shaped plate 14 is uniformly provided with anti-skid rib grooves 22; When the surface of the arc-shaped plate 14 is smooth, the bottom plate 1 is easy to fall off, the structure of the anti-skid rib groove 22 can increase the friction between the contact surface and the ground, thereby preventing the bottom plate 1 from being offset or falling off, and supporting the roadbed.

[0026] Working principle: the roadbed is the basic part of road engineering, its main role is to bear the vehicle load and transfer to the foundation, the roadbed is usually composed of base soil, filler and roadbed stone, etc., which can realize drainage while stabilizing the pavement, in order to ensure that the roadbed can be used normally, it is necessary to use the measuring device to detect the filling thickness, so as to ensure the service life and safety of the road, the existing roadbed measuring device is inserted into the inside of the roadbed through the insertion rod, and the thickness is detected, and the roadbed is damaged after puncture, and the unqualified position cannot be repaired in time, in order to solve this problem, the measuring mechanism and the connecting mechanism are arranged, the bottom plate 1 is placed on the bottom surface of the roadbed to be paved, at this time the arc-shaped plate 14 on the bottom side is inserted into the ground, then the threaded rod 12 is rotated through the rotating block 11, so that the push block 13 slides in the arc-shaped plate 14, at this time the push block 13 expands the arc-shaped plate 14, so as to uniformly fix the required number of bottom plates 1 on the ground, at this time the connecting block 17 is buckled in the rectangular groove 15, when the clamping block 20 moves to one end of the positioning groove 16, at this time the spring 21 pushes the clamping block 20 out of the sliding groove 19 through the automatic elastic force, so as to be buckled in the positioning groove 16, the connecting block 17 is fixed in the rectangular groove 15, at this time the plurality of bottom plates 1 are connected through the metal net 18, which can play the role of auxiliary support for the roadbed, under the cooperation of the first screw groove 201, the cylinder 3 is fixedly connected with the fixing seat 2, at this time the roadbed is paved on the surface of the bottom plate 1, the thickness of the paved roadbed can be measured at any time under the cooperation of the first scale groove 6, after paving, the hexagonal stud 9 is rotated to drive the measuring rod 5 to stretch and retract, so as to make the transparent plate 8 tightly adhere to the top surface of the roadbed, and the total thickness of the roadbed is measured through the second scale groove 7, the structure will not damage the roadbed, and after use, the rotating cylinder 3 and the measuring rod 5 can be removed for reuse, solving the problem that the existing measuring device can damage the roadbed and cannot be repaired in time.

[0027] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description 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.

[0028] The basic principles, main features and advantages of the present application have been shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, the above embodiments and descriptions in the specification are only to illustrate the principles of the present application, without departing from the spirit and scope of the present application, the present application can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A device for measuring the thickness of a subgrade fill, characterized by: Including the bottom plate (1), the top side of the bottom plate (1) is provided with a measuring mechanism, the bottom side of the bottom plate (1) is provided with a fixing mechanism, the side of the bottom plate (1) is provided with a connecting mechanism, and the top side of the bottom plate (1) is fixed with a fixed seat (2); The measuring mechanism comprises a fixed seat (2), a first threaded groove (201) is formed in the inner side of the fixed seat (2), a cylinder (3) is fixedly installed in the first threaded groove (201), a second threaded groove (4) is formed in the inner side of the cylinder (3), a measuring rod (5) is rotatably installed in the inner side of the cylinder (3) through thread cooperation, a first scale groove (6) is formed on the circumference of the cylinder (3), a second scale groove (7) is formed on the circumference of the measuring rod (5), a transparent plate (8) is rotatably installed on the top side of the circumference of the measuring rod (5), and a hexagonal stud (9) is fixed to the top end of the measuring rod (5).

2. The device for measuring the thickness of embankment filling according to claim 1, characterized in that: The fixed seat (2) is located at the top side center of the bottom plate (1), and the bottom side circumference of the measuring rod (5) is rotatably connected with the cylinder (3) through thread cooperation.

3. The device for measuring the thickness of embankment filling according to claim 1, characterized in that: The fixing mechanism comprises a groove (10), a rotating block (11) is rotatably installed in the inner side of the groove (10), the groove (10) is located at the four corners of the top side of the bottom plate (1), and a threaded rod (12) is fixed to the bottom end of the rotating block (11), and the threaded rod (12) penetrates the inner side of the bottom plate (1).

4. The device for measuring the thickness of embankment filling according to claim 3, characterized in that: The threaded rod (12) is rotatably connected with the bottom plate (1), the bottom side of the bottom plate (1) is fixed with an arc plate (14), the threaded rod (12) is rotatably installed on the circumference of the arc plate (14), and the threaded rod (12) is rotatably installed on the circumference of the arc plate (14).

5. The device for measuring the thickness of embankment filling as claimed in claim 1, wherein: The connecting mechanism comprises a rectangular groove (15), a positioning groove (16) is symmetrically formed in the inner side of the rectangular groove (15), the rectangular groove (15) is located at the center of the side of the bottom plate (1), and the connecting block (17) is buckled and connected in the inner side of the rectangular groove (15).

6. A device for measuring the thickness of a subgrade fill according to claim 5, wherein: The connecting blocks (17) are fixedly connected through the metal net (18), the sliding grooves (19) are symmetrically formed in the inner side of the connecting blocks (17), the clamping blocks (20) are slidably installed in the sliding grooves (19), the springs (21) are fixedly connected between the inner side of the clamping blocks (20) and one end of the sliding grooves (19), and the clamping blocks (20) are buckled in the inner side of the positioning groove (16).

Citation Information

Patent Citations

  • Roadbed layered filling thickness measuring device

    CN219223574U