CN210981134U

CN210981134U - Measuring scale for detecting surface flatness of concrete member

Info

Publication number: CN210981134U
Application number: CN201922141429.3U
Authority: CN
Inventors: 郭天惠; 龙志伟; 李再高; 韦生根; 李何; 向程龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-07-10
Anticipated expiration: 2029-12-03

Abstract

The utility model relates to a surface smoothness detects technical field, especially relates to a dipperstick for detecting concrete member surface smoothness. The to-be-solved technical problem of the utility model is that the roughness mode is loaded down with trivial details to the tradition measurement. In order to solve the technical problem, the utility model provides a dipperstick for detecting concrete member surface smoothness, including the chi arm, the chi arm is hollow structure, the left end threaded connection of chi arm has the chi lid, and the positive intermediate position of chi arm has seted up first spout, the inner wall swing joint of chi arm has spacing frame, the top surface welding of spacing frame has the T shape strip, and the inside swing joint of spacing frame has the movable block, the intermediate position of movable block bottom has the gyro wheel through bayonet lock swing joint, and this roughness dipperstick judges the roughness through the data that the scale demonstrates, very big simplification the concrete smoothness measuring process, improved measurement of efficiency and comparatively concise again.

Description

Measuring scale for detecting surface flatness of concrete member

Technical Field

The utility model relates to a surface smoothness detects technical field, specifically is a dipperstick for detecting concrete member surface smoothness.

Background

Flatness, when some objects are processed or produced, the surface cannot be absolutely flat, the difference data between the uneven level and the absolute level is the flatness, the flatness of the surface of the cast-in-place structural concrete only allows 8mm deviation according to the current concrete member process requirements, and most practical engineering operation adopts a method of detecting by combining a 2m guiding rule and a clearance gauge.

The prior patent (publication number: CN206930259U) discloses a flatness measuring scale, which comprises a measuring scale body, wherein a plurality of movable needles which are arranged along the length direction of the measuring scale body and are fixedly connected with a pressure spring at the top end are arranged in the measuring scale body, the top end of the pressure spring is fixed on an upper side plate of the measuring scale body, the movable needles are vertically arranged, and the tail ends of the movable needles extend out of the measuring scale body. In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: 1. the flatness measuring scale has more movable needles, is more complicated to operate when measuring data, and is not convenient for measuring any position of a plane; 2. the contact area of the multiple movable needles of the flatness measuring scale and the wall surface is large, the wear is easy, and the measurement error is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a dipperstick for detecting concrete member surface roughness has solved the loaded down with trivial details problem of traditional measurement roughness mode.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a dipperstick for detecting concrete member surface smoothness, includes the chi arm, the chi arm is hollow structure, the left end threaded connection of chi arm has the chi lid, and the positive intermediate position of chi arm has seted up first spout, the inner wall swing joint of chi arm has spacing frame.

The top surface welding of spacing frame has T shape strip, and the inside swing joint of spacing frame has the movable block, the intermediate position of movable block bottom has the gyro wheel through bayonet lock swing joint, and the intermediate position fixedly connected with scale of movable block top surface, the top surface both ends of movable block have all welded the second reference column.

First positioning columns are welded at the two ends of the top surface of the inner wall of the limiting frame, the first positioning columns are movably connected with the second positioning columns through springs, and connecting strips are welded at the center of the right side of the limiting frame.

The top surface of the ruler arm is provided with a second sliding groove, and the graduated scale is movably connected in the second sliding groove.

Preferably, the bottom of each ruler arm is provided with a track groove matched with the roller, the number of the ruler arms is two, the two ruler arms are movably connected through a positioning bolt, and an annular cover is movably sleeved at the joint of the two ruler arms.

Further preferably, the first positioning column, the second positioning column and the spring are axisymmetrical with the graduated scale as a symmetry axis.

Further preferably, the connecting strip is movably sleeved in the first sliding groove, and the length of the connecting strip is greater than the depth of the first sliding groove.

Further preferably, the roller is made of manganese-silicon-rhenium alloy steel.

Further preferably, the diameter of the roller is smaller than the distance between the first positioning column and the second positioning column.

(III) advantageous effects

The utility model provides a dipperstick for detecting concrete member surface smoothness possesses following beneficial effect:

(1) the flatness measuring scale judges the flatness through the structures of the adjusting block, the limiting frame, the dividing ruler and the like and through data displayed by the measuring scale, greatly simplifies the process of measuring the flatness of the concrete, improves the measuring efficiency and is simpler;

(2) this roughness dipperstick passes through spring and gyro wheel structure, and the area of contact of its measuring part with the wall that has significantly reduced has effectually reduced because the loss that the friction caused to measurement accuracy has been improved.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structural ruler arm of the present invention;

fig. 3 is a top view of the structure measuring scale of the present invention.

In the figure: the device comprises a ruler arm 1, a ruler cover 2, a first sliding groove 3, a limiting frame 4, a graduated scale 5, an adjusting block 6, a connecting strip 7, a roller 8, a moving block 9, a T-shaped strip 10, a first positioning column 11, a second positioning column 12, a spring 13, a second sliding groove 14, an annular cover 15 and a positioning bolt 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a dipperstick for detecting concrete member surface smoothness, including chi arm 1, the bottom of chi arm 1 seted up with 8 assorted track grooves of gyro wheel, and the figure of chi arm 1 is two, two chi arms 1 pass through positioning bolt 16 swing joint, annular lid 15 has been cup jointed in its handing-over department activity, can conveniently measure the roughness of great face like this, it is wider to be suitable for the face, chi arm 1 is hollow structure, the left end threaded connection of chi arm 1 has chi lid 2, and the positive intermediate position of chi arm 1 has seted up first spout 3, the inner wall swing joint of chi arm 1 has spacing frame 4.

The top surface of the limiting frame 4 is welded with a T-shaped strip 10, the inside of the limiting frame 4 is movably connected with a movable block 9, the middle position of the bottom of the movable block 9 is movably connected with a roller 8 through a clamping pin, the diameter of the roller 8 is smaller than the distance between a first positioning column 11 and a second positioning column 12, so that the roller 8 can be completely retracted into the ruler arm 1 when measuring stress, the ruler arm 1 is more attached to the wall surface, the measurement is convenient, the roller 8 is made of manganese-silicon-rhenium alloy steel which has strong abrasion resistance, the abrasion of the roller 8 can be effectively prevented in the measurement process, errors are reduced, the middle position of the top surface of the movable block 9 is fixedly connected with a graduated scale 5, the two ends of the top surface of the movable block 9 are both welded with the second positioning columns 12, the first positioning column 11, the second positioning column 12 and a spring 13 are axially symmetrical by taking the graduated scale 5 as a symmetrical axis, so that the graduated scale 5 can be uniformly, and is more stable.

First reference column 11 has all been welded at the both ends of 4 inner wall top surfaces of spacing frame, through spring 13 swing joint between first reference column 11 and the second reference column 12, and the welding of the right side center department of spacing frame 4 has connecting strip 7, and connecting strip 7 activity cup joints in first spout 3, and the length of connecting strip 7 should be greater than the degree of depth of first spout 3, can conveniently adjust gyro wheel 8 to the position that will measure like this.

The top surface of the ruler arm 1 is provided with a second sliding chute 14, and the graduated scale 5 is movably connected in the second sliding chute 14.

The working principle is as follows: the measuring scale is characterized in that an operating structure consisting of a roller 8, a limiting frame 4 and a graduated scale 5 is additionally arranged below a scale arm 1, when the surface flatness of a concrete member is detected, one side of the scale arm 1 with the roller 8 is placed on the surface of the member and is pressed forcibly to be attached to the surface of the member, the roller 8 receives the pressure on the surface of the member and then drives a moving block 9 to move upwards, the graduated scale 5 also moves upwards synchronously, meanwhile, a spring 13 at the upper end of the moving block 9 is stressed and deformed, kinetic energy is converted into elastic potential energy, the spring 13 also applies a downward force to the moving block 9, namely, the roller 8 applies a force to the surface of the member, the two forces are balanced, the adjusting block 6 can be shifted to further drive a connecting strip 7 and the limiting frame 4 to move, a T-shaped strip 10 on the limiting frame 4 moves in a fixed sliding chute arranged on the upper side of the inner wall of the scale arm 1, so that the condition of the flatness of the changed position can be judged by observing the scale value on the graduated scale 5.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention.

Claims

1. A dipperstick for detecting concrete member surface flatness, includes chi arm (1), its characterized in that: the ruler arm (1) is of a hollow structure, the left end of the ruler arm (1) is in threaded connection with a ruler cover (2), a first sliding groove (3) is formed in the middle of the front face of the ruler arm (1), and the inner wall of the ruler arm (1) is movably connected with a limiting frame (4);

the top surface of the limiting frame (4) is welded with a T-shaped strip (10), a moving block (9) is movably connected inside the limiting frame (4), the middle position of the bottom of the moving block (9) is movably connected with a roller (8) through a clamping pin, the middle position of the top surface of the moving block (9) is fixedly connected with a graduated scale (5), and two ends of the top surface of the moving block (9) are welded with second positioning columns (12);

the two ends of the top surface of the inner wall of the limiting frame (4) are respectively welded with a first positioning column (11), the first positioning columns (11) are movably connected with a second positioning column (12) through springs (13), and the center of the right side of the limiting frame (4) is welded with a connecting strip (7);

the top surface of the ruler arm (1) is provided with a second sliding groove (14), and the graduated scale (5) is movably connected in the second sliding groove (14).

2. The measuring ruler for detecting the surface flatness of a concrete member according to claim 1, wherein: the bottom of the ruler arm (1) is provided with track grooves matched with the rollers (8), the number of the ruler arms (1) is two, the ruler arms (1) are movably connected through positioning bolts (16), and the joint of the ruler arms is movably sleeved with an annular cover (15).

3. The measuring ruler for detecting the surface flatness of a concrete member according to claim 1, wherein: the first positioning column (11), the second positioning column (12) and the spring (13) are axisymmetrical by taking the graduated scale (5) as a symmetry axis.

4. The measuring ruler for detecting the surface flatness of a concrete member according to claim 1, wherein: the connecting strip (7) is movably sleeved in the first sliding groove (3), and the length of the connecting strip (7) is larger than the depth of the first sliding groove (3).

5. The measuring ruler for detecting the surface flatness of a concrete member according to claim 1, wherein: the roller (8) is made of manganese-silicon-rhenium alloy steel.

6. The measuring ruler for detecting the surface flatness of a concrete member according to claim 1, wherein: the diameter of the roller (8) is smaller than the distance between the first positioning column (11) and the second positioning column (12).