CN219908490U - Telescopic tool for measuring asphalt thickness - Google Patents

Abstract

The utility model relates to the field of road construction, and particularly discloses a telescopic tool for measuring asphalt thickness, which comprises: the device comprises a handle, a probe, a first limit stop, a caliper, a second limit stop, a return spring, a loop bar, a pointer, a tripod sleeve, an elastic nut and a supporting bar; the utility model discloses a handle, handle one side lower extreme fixedly welded has the slide caliper rule, handle downside intermediate position is provided with the second limit stop, the fixed probe that is provided with of second limit stop lower extreme, be provided with first limit stop on the probe, the probe alternates and sets up inside the loop bar, the loop bar top is fixed to be provided with the pointer, the 0 scale department of pointer directional slide caliper rule, the tripod sleeve sets up on the loop bar, fixation nut sets up on the tripod sleeve, tripod sleeve slides and sets up on the loop bar, bracing piece and tripod sleeve rotate to be connected, reset spring sets up in the centre of sleeve top and second limit stop. The utility model has reasonable structure, can more accurately measure the thickness of the paved asphalt, is convenient to carry and use, is not easy to damage, and improves the working efficiency.

Description

Telescopic tool for measuring asphalt thickness

Technical Field

The utility model relates to the field of road construction, in particular to a telescopic tool for measuring asphalt thickness.

Background

In the construction engineering of asphalt pavement at present, the thickness of each structural layer of the surface layer is one of key factors for controlling the construction quality of the asphalt pavement, and the thickness and compactness of the asphalt surface layer are two key items for evaluating the quality of the asphalt pavement. Most construction unit workers now use a conical drill steel to insert the asphalt pavement for testing, and thus measure the thickness of the asphalt pavement. When the mode is adopted for measurement, errors are larger, in the existing test tool, the graduated scale is arranged inside the spring, abrasion values are easy to cause, the deviation of pressing force can be caused when the single hand is used for cutting, the errors are measured, and the final tested values are inaccurate. And the fixed support can not adapt to various construction environments, and is inconvenient to carry. Resulting in inaccurate values for the final test.

Disclosure of Invention

The utility model aims to provide a measuring tool which is more stable and accurate in measurement and more accurate and quick in reading value.

The scheme of the utility model for solving the problems is that; a scalable tool for measuring asphalt thickness is provided: the device comprises a handle, a probe, a first limit stop, a caliper, a second limit stop, a return spring, a loop bar, a pointer, a tripod sleeve, an elastic nut and a supporting bar; a caliper is fixedly welded at the lower end of one side of the handle, a second limit stop is arranged in the middle of the lower side of the handle, a probe is fixedly arranged at the lower end of the second limit stop, a first limit stop is arranged on the probe, and the probe is arranged in the loop bar in a penetrating manner; the top of the loop bar is fixedly provided with a pointer which points to the 0 scale of the caliper; the triangular bracket sleeve is arranged on the loop bar in a sliding way, the elastic nut is arranged on the triangular bracket sleeve, and the supporting bar is rotationally connected with the triangular bracket sleeve; the reset spring is arranged between the top of the loop bar and the second limit stop.

Preferably _， The caliper is provided with a scale.

Preferably _， The handle is provided with anti-slip rubber.

Preferably, the probe is provided with a release coating.

Preferably _， The support rod is a retractable triangular support.

Compared with the prior art, the utility model has the beneficial effects that:

compared with the common tool for measuring the thickness of asphalt, the vertical and downward calipers are fixedly arranged on the handle, the thickness of asphalt can be accurately measured, the recorded value is conveniently observed, the anti-slip rubber is arranged on the handle, the use comfort level can be effectively prevented from being improved by hand sliding during detection, the anti-sticking layer is arranged on the probe, asphalt residues can be effectively prevented from being polluted during probe insertion measurement, the supporting block with the anti-sticking coating is arranged on the supporting rod, the whole measuring tool can be stably placed on a road surface to be measured, and the probe is kept to be vertically inserted and measured, so that the measurement accuracy is improved. The triangular support rod can adapt to various construction environments, the tool stability is improved, and the measurement is more accurate.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a front view of the present utility model;

FIG. 2 is a partial cross-sectional view of the present utility model;

FIG. 3 is a top view of the support pole of the present utility model;

reference numerals illustrate;

the hand lever 1, the probe 5, the first limit stop 6, the caliper 7, the second limit stop 8, the return spring 2, the loop bar 3, the pointer 31, the tripod sleeve 4, the elastic nut 41 and the supporting bar 42.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

As shown in fig. 1, a scalable tool for measuring asphalt thickness in this embodiment includes: the device comprises a handle 1, a probe 5, a first limit stop 8, a caliper 7, a second limit stop 6, a return spring 2, a loop bar 3, a pointer 31, a tripod sleeve 4, a tightening nut 41 and a supporting rod 42; a caliper 7 is fixedly welded at the lower end of one side of the handle 1, a second limit stop 8 is arranged in the middle of the lower side of the handle 1, a probe 5 is fixedly arranged on the second limit stop 8, a first limit stop 6 is arranged on the probe 5, and the probe 5 is arranged in the loop bar 3 in a penetrating manner; the top end of the loop bar 3 is fixedly provided with a pointer 31, and the pointer 31 points to the 0 scale of the caliper 7; the tripod sleeve 4 is arranged on the loop bar 3 in a sliding way, the elastic nut 41 is arranged on the tripod sleeve 4, and the supporting rod 42 is rotationally connected with the tripod sleeve 4; the return spring 2 is arranged in the middle of the loop bar 3 and the second limit stop 15.

The caliper 7 is provided with a scale.

The handle 7 is provided with anti-slip rubber.

The probe 5 is provided with a release coating.

The support bar 42 is a collapsible triangular bracket.

When the telescopic asphalt thickness measuring tool is used, a worker horizontally places a telescopic asphalt thickness measuring tool on asphalt ground, loosens the elastic nuts 41 on the tripod sleeves 4, then slides the tripod sleeves 4 downwards along the loop bars 3 to drive the triangular support bars 42 to be unfolded, the elastic nuts 41 are screwed to fix the tripod sleeves 4, then the detector for unfolding the support bars 42 is placed on the ground, the pressing handle 1 is held by two hands simultaneously, the handle 1 is pressed down simultaneously, the probe 5 is inserted into asphalt, and simultaneously, the caliper 7 fixedly arranged on the handle 1 is moved downwards simultaneously when the handle 1 is horizontally pressed down. The pointer 31 is fixedly arranged at the upper end of the loop bar 3, the pointer 31 points to the 0 scale of the caliper 7 at the initial position, and the scale of the caliper 7 pointed by the pointer 31 after the caliper 7 moves downwards until the measurement is finished is the thickness of asphalt. After the numerical value is recorded, the handles 1 are loosened by two hands, and the reset spring 2 drives the probe to reset under the action of elastic force, so that the measurement is completed.

To sum up, a scalable instrument of measuring pitch thickness improves on original instrument, fixed perpendicular decurrent slide caliper rule 7 that sets up on handle 1, can accurate measurement pitch thickness conveniently observe the record numerical value, be provided with anti-skidding rubber on handle 1 and can effectively prevent to survey the time hand and slide, and promote the comfort level of use, be provided with anti-sticking coating on probe 5 and can prevent effectively that probe 5 from being infected with pitch residue when inserting the measurement, the supporting shoe that the bracing piece 42 lower extreme was provided with anti-sticking coating can make whole measuring tool stable put on the road surface that needs to measure, keep probe 5 to insert perpendicularly to measure and promote the measurement precision, anti-sticking coating's supporting shoe can prevent to be infected with the level that road surface residue kept the instrument and use, bracing piece 42 and probe 5 parallel arrangement can guarantee better that probe 5 inserts perpendicularly and measure, guarantee to measure the precision.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. A retractable asphalt thickness measuring tool comprising: the device comprises a handle, a probe, a first limit stop, a caliper, a second limit stop, a return spring, a loop bar, a pointer, a tripod sleeve, an elastic nut and a supporting bar; the device is characterized in that a caliper is fixedly welded at the lower end of one side of the handle, a second limit stop is arranged in the middle of the lower side of the handle, a probe is fixedly arranged at the lower end of the second limit stop, a first limit stop is arranged on the probe, and the probe is arranged in the loop bar in a penetrating manner; the top of the loop bar is fixedly provided with a pointer which points to the 0 scale of the caliper; the support sleeve is arranged on the loop bar in a sliding manner, the elastic nut is arranged on the tripod sleeve, and the support bar is rotationally connected with the tripod sleeve; the reset spring is arranged between the top of the sleeve and the second limit stop.

2. A retractable asphalt thickness measuring tool as defined in claim 1, wherein: the caliper is provided with a scale.

3. A retractable asphalt thickness measuring tool as defined in claim 1, wherein: the handle is provided with anti-slip rubber.

4. A retractable asphalt thickness measuring tool as defined in claim 1, wherein: the probe is provided with a release coating.

5. A retractable asphalt thickness measuring tool as defined in claim 1, wherein: the support rod is a retractable triangular support.