CN210198293U - Flatness measuring structure - Google Patents

Abstract

The utility model discloses a roughness measurement structure relates to municipal works and detects technical field, a roughness measurement structure, including measuring ruler and wedge feeler gauge, the one end that the wedge feeler gauge is thick is fixed with the stand, measures to be provided with on the ruler to be used for restricting the wedge feeler gauge and measure the limit structure of ruler relative position. There is the inconvenient problem of roughness measurement to prior art, the utility model discloses be fixed with the stand in the one end that wedge feeler gauge is thick, make things convenient for the staff to remove wedge feeler gauge, limit structure is used for limiting wedge feeler gauge for measuring the position of ruler, guarantees wedge feeler gauge and measures the ruler and keeps the vertical relation, increases measuring accuracy.

Description

Flatness measuring structure

Technical Field

The utility model relates to a municipal works detects technical field, and more specifically says, it relates to a roughness measurement structure.

Background

Road Surface flatness (Road Surface Roughness) refers to the vertical deviation of the Surface of a Road Surface from an ideal plane. At present, a three-meter ruler method is generally adopted for flatness detection in the construction of roads, airfield runways and the like. During detection, the straight ruler is placed on a road surface, the maximum gap value between the road surface and the straight ruler is observed by eyes, and then the steel ruler or the wedge-shaped feeler gauge is used for measuring the value.

For an existing flatness measuring structure, such as a Chinese patent with an authorization publication number of CN207109524U, the device for measuring the flatness and the thickness of a pavement of a road is disclosed, and comprises a flatness measuring ruler, wherein the flatness measuring ruler consists of a left steel ruler and a right steel ruler which are 1.5m long, and the two steel rulers are connected by a connecting shaft and are convenient to fold; a connecting hole is formed in the left side of the flatness measuring ruler, a connecting rope penetrates through the connecting hole, and the other end of the connecting rope is connected with a wedge-shaped clearance gauge with scales; the right side of the flatness measuring straight ruler is connected with a thickness measuring telescopic ruler through a connecting buckle; the thickness measuring telescopic ruler and the flatness measuring ruler are vertically arranged, and the thickness measuring telescopic ruler is formed by sleeving two sections of rulers with scales and the length of 15 cm.

When the above-mentioned patent used, the staff often need fill in the roughness with the wedge feeler gauge and measure between ruler and the road shop front through actions such as bowing, squatting, confirm whether perpendicular back of wedge feeler gauge and roughness measurement ruler, carry out the reading. Because different positions need to be measured, workers need to bend down and squat repeatedly in the process, and the excessive fatigue of the workers is easily caused.

SUMMERY OF THE UTILITY MODEL

There is the inconvenient problem of roughness measurement to prior art, the utility model aims at providing a roughness measurement structure, it has the advantage that makes things convenient for the staff to measure.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a roughness measurement structure, is including measuring ruler and wedge feeler, the one end that the wedge feeler is thicker is fixed with the stand, it is used for the restriction to be provided with on the ruler to measure the wedge feeler with measure ruler relative position's limit structure.

Through the technical scheme, in the practical application, a worker holds the stand column by hand, and inserts the wedge-shaped feeler gauge between the measuring ruler and the measuring plane for measurement, and in the process, the worker can insert the wedge-shaped feeler gauge between the measuring ruler and the measuring plane without the actions of bending down, squatting and the like because the height of the stand column is 65-85 cm; the limiting structure enables the measuring straight ruler and the wedge-shaped filler gauge to continuously keep a vertical relation, and measuring accuracy is improved.

Furthermore, a handheld rod, the width direction of which is parallel to the length direction of the wedge-shaped clearance gauge, is fixed at one end of the upright column, which is far away from the wedge-shaped clearance gauge.

Through above-mentioned technical scheme, in the in-service use, the staff of convenient staff of handheld pole removes the stand to the stand drives the removal of wedge clearance gauge.

Furthermore, limit structure includes the instruction window and fixes the spacing strip in instruction window one side, spacing strip is provided with many, and all is parallel arrangement.

Through above-mentioned technical scheme, in the in-service use, many spacing strips are used for restricting the displacement of wedge feeler gauge in its width direction for the wedge feeler gauge can last and measure the ruler and keep the vertical relation.

Furthermore, a connecting strip is fixed between the two limiting strips in the vertical direction.

Through above-mentioned technical scheme, in the in-service use, the connecting strip is used for supporting spacing for spacing still can keep the normal position after long-time the use, does not produce the circumstances such as sink because of the action of gravity.

Furthermore, a limiting plate used for limiting the position of the indicating window is fixed on one side, close to the measuring ruler, of the indicating window.

Through above-mentioned technical scheme, in the in-service use, the limiting plate restriction instructs the window position of measuring the ruler relatively for instruct the window to install on the surface of measuring the ruler, make things convenient for the staff to observe measured data.

Furthermore, a magnifier is fixed at one end of the indication window close to the limiting strip.

Through the technical scheme, in actual application, the magnifying lens facilitates workers to observe measured data, and the times of bending over and squatting of the workers are reduced.

Furthermore, a sliding rail used for sliding the limiting structure is arranged on the measuring ruler.

Through above-mentioned technical scheme, in the in-service use, limit structure passes through the slide rail connection and measures on the ruler, when making things convenient for the staff to measure the roughness of different positions, removes limit structure to measure.

Furthermore, the measuring ruler is composed of a plurality of sections of rigid rulers, and a rotating shaft is arranged between every two adjacent sections of rigid rulers.

Through the technical scheme, in practical application, the measuring ruler consisting of the multiple sections of rigid rulers can realize the folding function, and the ruler is convenient for workers to carry

Further, the wedge-shaped feeler is made of wear-resistant materials.

Through above-mentioned technical scheme, in the in-service use, after using the wedge feeler gauge for a long time, phenomenon such as wearing and tearing take place easily in the thinner one end of wedge feeler gauge, and the excessive wearing and tearing can influence measured data's accuracy to easily lead to staff to judge the error.

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

(1) through the arrangement of the upright post and the limiting structure, the upright post is convenient for workers to move the wedge-shaped feeler gauge, and the limiting structure is convenient for the workers to control the displacement of the wedge-shaped feeler gauge in the width direction, so that the workers can measure the flatness conveniently, and the frequency of actions of bending over, squatting and the like of the workers is reduced;

(2) furthermore, through the arrangement of the slide rail, the limiting structure is convenient for workers to move, and the measurement of different positions is realized;

(3) furthermore, through the arrangement of the magnifying glass, the measurement data can be conveniently observed by the working personnel;

(4) further, constitute by the rigid chi of multisection through measuring the ruler, the staff can fold the ruler of measuring and accomodate, conveniently hand-carry.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a schematic view of the position limiting structure in another position in the present embodiment;

FIG. 3 is a schematic view of the measurement of the accommodation of the straightedge in this embodiment;

fig. 4 is a schematic structural diagram of the limiting structure in this embodiment.

Reference numerals: 1. measuring a ruler; 11. a rigid ruler; 111. a rotating shaft; 12. a slide rail; 2. a wedge-shaped clearance gauge; 21. a column; 211. a hand-held wand; 3. a limiting structure; 31. an indication window; 32. a limiting strip; 321. a connecting strip; 33. a limiting plate; 331. a slide bar; 34. a magnifying glass; 341. a support rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A flatness measuring structure is shown in figures 1 and 2 and comprises a measuring ruler 1 and a wedge-shaped plug gauge 2, scales are marked on the inclined plane of the wedge-shaped plug gauge 2, an upright post 21 is vertically fixed at the thicker end of the wedge-shaped plug gauge 2, the upright post 21 is positioned at one side of the wedge-shaped plug gauge 2, which is marked with the scales, the wedge-shaped plug gauge 2 is made of high-alloy wear-resistant cast steel materials, and workers can select other wear-resistant materials; one side of the measuring ruler 1 is provided with scales for measurement, and the measuring ruler 1 is further provided with a limiting structure 3 for limiting the relative position of the wedge-shaped feeler gauge 2 and the measuring ruler 1.

As shown in fig. 1 and 3, the measuring ruler 1 comprises three rigid rulers 11 with 1 meter, the length of the three rigid rulers 11 after being unfolded is 3 meters, workers can select the rigid rulers 11 with different lengths as required, a rotating shaft 111 is arranged between every two adjacent steel rulers, when the workers need to store the three rigid rulers 11, the three rigid rulers 11 are folded and stored through the rotating shaft 111, and the workers can conveniently carry the measuring ruler.

As shown in fig. 2, the height of the upright post 21 is 70 cm, and the worker can set the height according to the requirement, so that the worker can stand to hold the upright post 21 during working; the one end that wedge clearance gauge 2 was kept away from to stand 21 is fixed with handheld pole 211, and the width direction of handheld pole 211 makes things convenient for the staff to remove stand 21 with the length direction parallel arrangement of wedge clearance gauge 2 to drive wedge clearance gauge 2 and remove, realize measurement function.

As shown in fig. 1 and 4, the limiting structure 3 includes an indication window 31 disposed on one side of the measurement ruler where scales are marked and a limiting strip 32 fixed on one side of the indication window 31, a limiting plate 33 disposed in a U shape is fixed on one side of the indication window 31 close to the measurement ruler, the indication window 31 is stably mounted on one side of the measurement ruler by the limiting plate 33, the limiting plate 33 and the indication window 31 surround to form a hollow quadrangular prism, the measurement ruler is located in the hollow quadrangular prism surrounded by the limiting plate 33 and the indication window 31, and when the measuring ruler is not used, the measurement ruler and the limiting structure 3 can be separately stored; the position-limiting plate 33 is made of elastic plastic, such as PE, TUV or HUS, and ensures that the position-limiting plate 33 and the indicating window 31 can pass through the rotating shaft 111 smoothly.

As shown in fig. 3 and 4, the slide rail 12 is provided along the length direction of one side of the measurement ruler, which is far away from the indication window 31, the slide rail 12 is located in the middle of the measurement ruler, and the limiting plate 33 is fixed with the slide bar 331 at the slide rail 12, so that the limiting structure 3 can realize the sliding function on the measurement ruler.

As shown in fig. 1 and 4, the limiting strips 32 are fixed on one side of the limiting plate 33, four limiting strips 32 are provided, and are respectively located at four corners of one side of the limiting plate 33, a connecting strip 321 is fixed between two limiting strips 32 in the vertical direction, and the connecting strip 321 is used for supporting the limiting strips 32 and maintaining the relative positions of the four limiting strips 32.

One side that the limiting plate 33 was kept away from to instruction window 31 is fixed with bracing piece 341 (see fig. 2), and bracing piece 341 is located the one side that is close to spacing strip 32, and the one end that instruction window 31 was kept away from to bracing piece 341 is fixed with magnifying glass 34, and magnifying glass 34 can cover the scale in instruction window 31 and wedge filler ruler 2 is located the scale of measuring the ruler edge, and magnifying glass 34 is used for making things convenient for the staff to observe measured data.

When the measuring ruler is used, a worker firstly opens the stored measuring ruler, then installs the limiting structure 3 at a position to be measured on the measuring ruler, holds the holding rod 211 with the hand, inserts the wedge-shaped clearance gauge 2 between the measuring ruler and a surface to be measured along the limiting strips 32, observes the measuring ruler and the wedge-shaped clearance gauge 2 through the magnifier 34, and completes the measurement; when the staff needs other positions, take out wedge feeler 2 earlier, slide limit structure 3 to corresponding position along slide rail 12 again, repeat above-mentioned measuring step, accomplish and measure.

When the staff accomplished all measurements, drive stand 21 through holding handheld pole 211 for wedge clearance gauge 2 leaves and measures ruler and the face that awaits measuring, dismantles limit structure 3 again and leaves and measure the ruler, and revolute axle 111 takes in the folding of the rigid chi 11 of three section, accomplishes and accomodates, measures according to above-mentioned step when measuring next time.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims (9)

1. The utility model provides a roughness measurement structure, is including measuring ruler (1) and wedge clearance gauge (2), its characterized in that, the one end that wedge clearance gauge (2) are thick is fixed with stand (21), it is used for the restriction to be provided with on measurement ruler (1) wedge clearance gauge (2) with measure limit structure (3) of ruler (1) relative position.

2. A flatness measuring structure according to claim 1, characterized in that a hand-held bar (211) having a width direction parallel to a length direction of the wedge-shaped feeler (2) is fixed to an end of the column (21) remote from the wedge-shaped feeler (2).

3. The flatness measuring structure according to claim 1, wherein the limiting structure (3) comprises an indicating window (31) and a limiting strip (32) fixed on one side of the indicating window (31), and a plurality of limiting strips (32) are arranged and arranged in parallel.

4. A flatness measuring structure according to claim 3, characterized in that a connecting bar (321) is fixed between two said position-limiting bars (32) in the vertical direction.

5. A flatness measuring structure according to claim 3, characterized in that a position limiting plate (33) for limiting the position of said indicating window (31) is fixed to the side of said indicating window (31) near said measuring straightedge (1).

6. A flatness measuring structure according to claim 3, characterized in that a magnifying glass (34) is fixed to one end of said indicator window (31) near said stop strip (32).

7. The flatness measuring structure according to claim 1, wherein the measuring ruler (1) is provided with a slide rail (12) for sliding the limiting structure (3).

8. A flatness measuring structure according to claim 1, characterized in that said measuring ruler (1) is composed of a plurality of rigid rulers (11), and a rotation shaft (111) is provided between two adjacent rigid rulers (11).

9. A flatness measuring structure according to claim 1, characterized in that said wedge-shaped feeler (2) is made of wear-resistant material.

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