Loose paving thickness tester for asphalt pavement construction

By designing an asphalt pavement loose-pavement thickness inspection instrument structure that is easy to disassemble and clean, the problem of low detection efficiency in existing technologies has been solved, achieving efficient detection and extending the service life of the measuring rod.

CN223853121UActive Publication Date: 2026-01-30NANJING TONGAN ROAD ENG

Patent Information

Application Number
CN202520578640.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-01-30
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

The existing loose-lay thickness inspection instrument for asphalt pavement construction requires frequent observation and cleaning of the probe during multiple tests, which affects the testing efficiency.

Method used

A structure including a base, mounting plate, fixing frame, scraper, measuring rod, slide bar, mounting ring, slider and connecting rod is designed. The scraper is driven by electric push rod and connecting rod to clamp the outer circumference of the measuring rod for cleaning. Combined with limiting component, the measuring rod can be installed and removed easily.

Benefits of technology

It improves detection efficiency, extends the service life of the measuring rod, and simplifies the cleaning and replacement process of the probe.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223853121U_ABST
    Figure CN223853121U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of construction measuring tools, in particular to an asphalt pavement construction loose laying thickness tester which comprises a base, a mounting plate, a fixing frame, a scraper blade, a measuring rod, a sliding rod, a mounting ring, a sliding block and a connecting rod. The fixing frame is connected with the base, the mounting plate is slidably connected with the fixing frame and the fixing frame lifting assembly and provided with a mounting ring, and the measuring rod is connected with the mounting ring in a matched mode. The base is provided with a groove, the scraper is provided with a sliding rod, and the sliding rod is slidably connected with the base. The two sliding blocks are connected with the grooves in a sliding mode, the base is provided with an electric push rod, the end of the electric push rod is connected with the sliding blocks, one ends of the two connecting rods are rotationally connected with the two sliding blocks respectively, and the other ends of the two connecting rods are rotationally connected with the corresponding scraping plates. According to the utility model, the measuring rod can be detached from the mounting plate through the limiting assembly, thereby being convenient to clean or replace; after detection of the measuring rod is completed, the two scrapers simultaneously move to be close to each other and are clamped on the peripheral surface of the measuring rod, so that the service life of the measuring rod is prolonged.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to construction measuring tool technical field, concretely is a kind of asphalt pavement construction loose laying thickness detector. BACKGROUND

[0002] Asphalt pavement refers to various types of pavements constructed by mixing road asphalt material into mineral material. During the construction of pavement, the loose laying thickness of asphalt mixture after being spread by paver needs to be detected before the compaction of asphalt pavement to ensure the quality of finished pavement.

[0003] Chinese patent with authorization announcement No. CN220335659U discloses a kind of loose laying thickness detector for green construction of asphalt pavement, including support bottom, the lower end of the support bottom is fixedly connected with wheel support, the inside rotation of the wheel support is connected with wheel, limit mechanism is arranged on the support bottom, the support bottom is fixedly connected with support plate, the outside of the support plate is slidably connected with mounting plate, the inside of the mounting plate is slidably connected with probe, the probe is equipped with movable slot, the inside of the movable slot is fixedly connected with positioning block. The utility model is provided with sliding block, slide rod, spring, limit block and other components, the sliding block can be moved, the sliding block drives limit block to slide down from the positioning block on the probe, the limit of probe can be released, the probe can be disassembled, and the problem that the existing loose laying thickness detector for green construction of asphalt pavement is too inconvenient when disassembling inspection rod is solved.

[0004] However, the above technical solution has the following defects: multiple detections are needed at different positions when checking asphalt pavement, and the probe needs to be observed and cleaned every time during detection, otherwise it will affect the next use, and the checking efficiency is low. UTILITY MODEL CONTENTS

[0005] The utility model aims at the problems in the background art and provides a kind of loose laying thickness detector for asphalt pavement construction.

[0006] The technical scheme of the utility model: a kind of loose laying thickness detector for asphalt pavement construction, including base, mounting plate, fixed frame, scraper, measuring rod, slide rod, mounting ring, sliding block and connecting rod;

[0007] Fixed frame connects base, mounting plate is slidably connected with fixed frame, fixed frame is equipped with the lifting assembly for adjusting the height of mounting plate, mounting plate is equipped with mounting ring, measuring rod is equipped with limit component, limit component is connected with mounting ring in cooperation;

[0008] Base is equipped with recess, mounting plate is above recess, scraper is equipped with two, two scrapers are equipped with slide rod, slide rod is slidably connected with base, scraper is symmetrically distributed in recess, scraper is located at the two sides of measuring rod.

[0009] The slider is provided with two sides connected with two sliding grooves, the base is provided with an electric push rod, the end of the electric push rod is connected with the slider, two connecting rods are arranged, one end of the two connecting rods is respectively rotationally connected with the two sliders, and the other end of the connecting rods is rotationally connected with the corresponding scrapers.

[0010] Preferably, the limiting assembly comprises an end head, a stopper, a spring and a limiting ring.

[0011] The end head is connected with the upper end of the measuring rod, the outer diameter value of the end head corresponds to the inner diameter value of the mounting ring, the limiting ring is connected with the outer circumferential surface of the end head and is coaxially distributed with the end head.

[0012] The outer circumferential surface of the end head is provided with a sliding groove, the stopper is slidingly connected with the sliding groove, the spring is connected with the stopper and the end head of the sliding groove, and the stopper is located above the limiting ring.

[0013] In the mounted state, the upper surface of the limiting ring is pressed against the lower end of the mounting ring, and the stopper is pressed against the upper end of the mounting ring.

[0014] Preferably, the limiting ring is threadedly connected with the end head.

[0015] Preferably, the lifting assembly comprises a screw rod, a mounting block and a guide rod.

[0016] The mounting block is provided with two mounting plates, the screw rod is rotationally connected with the base and the fixing frame, the end of the screw rod is provided with a rocker, the guide rod is connected with the fixing frame and the base, and the guide rod and the screw rod are distributed side by side.

[0017] One mounting block is slidingly connected with the guide rod, and the other mounting block is threadedly connected with the screw rod.

[0018] Preferably, the mounting plate is provided with a fixed rod, the end of the fixed rod is provided with a pointer, and a plurality of scale lines are arranged on the fixing frame.

[0019] Preferably, the two scrapers are provided with rubber strips at the ends close to each other, and the two rubber strips are pressed against the outer circumferential surface of the measuring rod.

[0020] Preferably, the lower end of the base is provided with a plurality of universal wheels, the plurality of universal wheels are evenly distributed on the base, and one end of the base is provided with a handle.

[0021] Compared with the prior art, the above technical scheme of the utility model has the following beneficial technical effects:

[0022] 1. In the utility model, the measuring rod can be detached from the mounting plate through the limiting assembly, which is convenient for cleaning or replacement.

[0023] 2. In the utility model, after the measuring rod is detected, the two scrapers are moved to be close to each other and clamped on the outer circumferential surface of the measuring rod, so that the service life of the measuring rod is increased. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 A three-dimensional view of the asphalt pavement construction loose laying thickness inspection instrument is provided.

[0025] Figure 2 A structure schematic view of another view of an embodiment is provided.

[0026] Figure 3 A structure schematic view of the asphalt pavement construction loose laying thickness inspection instrument is provided.

[0027] Figure 4 For Figure 3 A structure schematic view of the A place.

[0028] Reference signs: 1, base; 2, mounting plate; 3, fixed frame; 4, scraper; 5, rubber strip; 6, screw rod; 7, mounting block; 8, guide rod; 9, rocker; 10, end; 11, measuring rod; 12, pointer; 13, universal wheel; 14, sliding rod; 15, handle; 16, mounting ring; 17, fixed rod; 18, stop block; 19, spring; 20, limit ring; 21, sliding block; 22, connecting rod; 23, scale line. DETAILED DESCRIPTION

[0029] Embodiment one

[0030] As Figures 1-4 shown, the utility model provides an asphalt pavement construction loose laying thickness inspection instrument, including base 1, mounting plate 2, fixed frame 3, scraper 4, measuring rod 11, sliding rod 14, mounting ring 16, sliding block 21 and connecting rod 22;

[0031] Fixed frame 3 is connected to base 1, and mounting plate 2 is slidingly connected to fixed frame 3, fixed frame 3 is provided with a lifting assembly for adjusting the height of mounting plate 2, mounting plate 2 is provided with mounting ring 16, measuring rod 11 is provided with limiting assembly, and limiting assembly is connected with mounting ring 16 in cooperation;

[0032] Further, the lower end of base 1 is provided with a plurality of universal wheels 13, the plurality of universal wheels 13 are evenly distributed on base 1, and one end of base 1 is provided with a handle 15;

[0033] Further, mounting plate 2 is provided with fixed rod 17, the end of fixed rod 17 is provided with pointer 12, and a plurality of scale lines 23 are arranged on fixed frame 3;

[0034] Base 1 is provided with a groove, and mounting plate 2 is located above the groove, two scrapers 4 are arranged, and the two scrapers 4 are provided with sliding rods 14, the sliding rods 14 are slidingly connected to base 1, the scrapers 4 are symmetrically distributed in the groove, and the scrapers 4 are located on both sides of measuring rod 11;

[0035] Further, the two scrapers 4 are provided with rubber strips 5 at the ends close to each other, and the two rubber strips 5 are pressed against the outer circumferential surface of the measuring rod 11.

[0036] The slide block 21 is provided with two sides of two sliding connection grooves, the base 1 is provided with an electric push rod, the electric push rod end is connected with the slide block 21, and the connecting rod 22 is provided with two ends, and the two ends of the connecting rod 22 are respectively connected with the two slide blocks 21 in a rotating mode, and the other end of the connecting rod 22 is connected with the corresponding scraper 4 in a rotating mode.

[0037] In the utility model, when using, the device is moved to the detection position, first, the measuring rod 11 end is moved to the asphalt surface, remembers the scale at this time, the measuring rod 11 is moved down to detect, and the second measurement is remembered, and the thickness of the asphalt can be measured, when the measuring rod 11 needs to rise, the electric push rod drives the slide block 21 to gradually approach the scraper 4, the connecting rod 22 drives the two scrapers 4 to approach each other, and the rubber strip 5 clamps the outer circumferential surface of the measuring rod 11 to clean the measuring rod 11, so that the asphalt solidification on the measuring rod 11 is prevented, the measuring rod 11 is convenient to install and disassemble through the limiting assembly in the utility model, the two scrapers 4 are moved to clamp the outer circumferential surface of the measuring rod 11 after the measuring rod 11 is detected, and the service life of the measuring rod 11 is increased.

[0038] Embodiment two

[0039] As Figures 3-4 shown, the utility model provides a kind of asphalt pavement construction loose paving thickness detector, compared with embodiment one, the limiting assembly in the embodiment includes end 10, stopper 18, spring 19 and limiting ring 20;

[0040] End 10 is connected with the upper end of measuring rod 11, the outer diameter value of end 10 corresponds with the inner diameter value of mounting ring 16, limiting ring 20 is connected with the outer circumferential surface of end 10 and is coaxially distributed with end 10.

[0041] End 10 outer circumferential surface is equipped with sliding slot, stopper 18 is slidably connected with sliding slot, spring 19 is connected with the end of stopper 18 and sliding slot, and stopper 18 is located above limiting ring 20.

[0042] In mounting state, limiting ring 20 upper surface is pressed in mounting ring 16 lower end, and stopper 18 is pressed in mounting ring 16 upper end.

[0043] Further, limiting ring 20 is connected with end 10 in screw thread cooperation.

[0044] In the embodiment, the end head mounting plate 2 is installed through the mounting ring 16 when the measuring rod 11 is installed, the inner wall of the mounting ring 16 extrudes the stop block 18 into the sliding groove, when the stop block 18 moves to the upper end of the mounting ring 16, the spring 19 drives the stop block 18 to pop out, the rotation limiting ring 20 is rotated to make the upper surface of the limiting ring 20 press tightly on the lower end of the mounting ring 16, the stop block 18 is pressed tightly on the upper end of the mounting ring 16, the measuring rod can be installed, when disassembled, the stop block 18 is extruded to take out the measuring rod 11 from below, and the operation is simple and convenient.

[0045] Embodiment three

[0046] As Figures 1-3 shown, the utility model provides a kind of asphalt pavement construction loose laying thickness detector, compared with embodiment one, the lifting assembly in the embodiment includes screw rod 6, mounting block 7 and guide rod 8;

[0047] Mounting block 7 is equipped with two and connects mounting plate 2, screw rod 6 is rotatably connected with base 1 and fixed frame 3, screw rod 6 end is equipped with rocker 9, guide rod 8 is connected with fixed frame 3 and base 1, guide rod 8 and screw rod 6 are distributed side by side;

[0048] One mounting block 7 is slidably connected with guide rod 8, and the other mounting block 7 is threadedly connected with screw rod 6.

[0049] In the embodiment, rocker 9 is rotated to drive screw rod 6 to rotate, mounting block 7 is threadedly connected with screw rod 6, mounting block 7 drives mounting plate 2 to move along the axial direction of screw rod 6, further drives mounting plate 2 and measuring rod 11 to move up and down.

[0050] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to this, within the knowledge range possessed by the person skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. An asphalt pavement construction laydown thickness gauge, characterized by, The utility model relates to a kind of measuring device, including base (1), mounting plate (2), fixed frame (3), scraper (4), measuring rod (11), slide rod (14), mounting ring (16), slider (21) and connecting rod (22); Fixed frame (3) is connected to base (1), mounting plate (2) is slidably connected to fixed frame (3), fixed frame (3) is provided with lifting assembly for adjusting the height of mounting plate (2), mounting ring (16) is provided on mounting plate (2), limiting assembly is provided on measuring rod (11), and limiting assembly is connected with mounting ring (16) in cooperation; Base (1) is provided with a groove, mounting plate (2) is located above the groove, scraper (4) is provided with two, two scrapers (4) are provided with slide rod (14), slide rod (14) is slidably connected to base (1), scraper (4) is symmetrically distributed in the groove, and scraper (4) is located on both sides of measuring rod (11); Slider (21) is provided with two and is slidably connected to both sides of the groove, base (1) is provided with electric push rod, the end of electric push rod is connected to slider (21), connecting rod (22) is provided with two, one end of two connecting rods (22) is rotatably connected to two sliders (21) respectively, and the other end of connecting rod (22) is rotatably connected to corresponding scraper (4).

2. The asphalt pavement construction laydown thickness inspection gauge of claim 1, wherein, Limiting assembly includes end (10), stop block (18), spring (19) and limiting ring (20); End (10) is connected to the upper end of measuring rod (11), the outer diameter value of end (10) corresponds to the inner diameter value of mounting ring (16), limiting ring (20) is connected to the outer circumferential surface of end (10) and is coaxially distributed with end (10); The outer circumferential surface of end (10) is provided with a sliding groove, stop block (18) is slidably connected to the sliding groove, spring (19) is connected to stop block (18) and the end of sliding groove, and stop block (18) is located above limiting ring (20); In the installed state, the upper surface of limiting ring (20) is pressed against the lower end of mounting ring (16), and stop block (18) is pressed against the upper end of mounting ring (16).

3. The asphalt pavement construction laydown thickness inspection gauge of claim 2, wherein, Limiting ring (20) is threadedly connected with end (10).

4. The asphalt pavement construction laydown thickness inspection gauge of claim 1, wherein, Lifting assembly includes screw rod (6), mounting block (7) and guide rod (8); Mounting block (7) is provided with two and is connected to mounting plate (2), screw rod (6) is rotatably connected to base (1) and fixed frame (3), the end of screw rod (6) is provided with rocker (9), guide rod (8) is connected to fixed frame (3) and base (1), and guide rod (8) and screw rod (6) are distributed side by side; One mounting block (7) is slidably connected to guide rod (8), and the other mounting block (7) is threadedly connected with screw rod (6).

5. The asphalt pavement construction laydown thickness inspection gauge of claim 1, wherein, Mounting plate (2) is provided with fixed rod (17), the end of fixed rod (17) is provided with pointer (12), and fixed frame (3) is provided with a plurality of scale lines (23).

6. The asphalt pavement construction laydown thickness inspection gauge of claim 1, wherein, Two scrapers (4) are provided with rubber strips (5) at one end close to each other, and two rubber strips (5) are pressed against the outer circumferential surface of measuring rod (11).

7. The asphalt pavement construction laydown thickness inspection gauge of claim 1, wherein, The lower end of base (1) is provided with a plurality of universal wheels (13), the plurality of universal wheels (13) are evenly distributed on base (1), and one end of base (1) is provided with handle (15).

Citation Information

Patent Citations

  • Loose paving thickness tester for green construction of asphalt pavement

    CN220335659U

Cited By

  • Road engineering laying thickness measuring instrument

    CN121855363A