CN212585644U

CN212585644U - Simple measuring tool for measuring plane parallelism

Info

Publication number: CN212585644U
Application number: CN202021814001.7U
Authority: CN
Inventors: 王鑫; 王尧
Original assignee: China Sanan Construction Corp; CHINA MACHINERY INDUSTRY CONSTRUCTION CROUP Inc
Current assignee: China Sanan Construction Corp; CHINA MACHINERY INDUSTRY CONSTRUCTION CROUP Inc
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-02-23
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a simple measuring tool for measuring plane parallelism, which comprises a pull rod and a digital display micrometer arranged at the front end of the pull rod, and is convenient to use, simple to install and disassemble, and is additionally provided with scale scales on a differential pull rod, after the digital display micrometer is completely drawn out and fixed from the front end of the pull rod, the measurement length can be pre-judged by observing the scale scales of the scale, accurate data between two planes can be obtained by adopting the scale scales and the micrometer for counting, measurement is completed by adopting a set of tools without auxiliary work measurement, the measurement engineering is simple, and the measurement precision is high; the tool base is a spherical base, the contact is supported by a line, so that the measuring error caused by local abrasion of the processing surface of the measuring plane can be eliminated, the marker post can be swung in any direction, and the use is more convenient.

Description

Simple measuring tool for measuring plane parallelism

Technical Field

The utility model belongs to the equipment fixing field relates to a simple and easy measuring tool of measurement plane depth of parallelism.

Background

At present, an inside micrometer is usually used as a measuring tool for measuring plane parallelism, but in actual use, due to the fact that measuring range is small, precision reading deviation is caused, assembly of a gauge rod piece is complicated, an operation method is complex, reading is large in subjective factor, and measurement cannot be conducted quickly and effectively. The reasons for this relate primarily to two aspects.

On the one hand, the structural deficiency is that present general inside micrometer, and the gauge rod is that the member combination that length differs forms, and the range of measuring two planes is usually within 2.0m, and its shortcoming lies in:

1) before each measurement, the distance between two planes needs to be measured, the meter rods are assembled according to the distance length, and the meter rods are complicated to assemble due to more connecting parts, and need to be repeatedly disassembled, adjusted and assembled in the face of the measurement requirements of different distances; if the plane parallelism at a distance of more than 2 meters needs to be measured, the meter rod needs to be processed and customized, and the cost is high and the period is long;

2) the meter rod support is point support, not surface support, the point support is influenced by the shape of the measuring point, and if the measuring plane is locally worn, the precision of the plane of the selected part cannot be comprehensively represented;

3) on the other hand, the measurement effect is not good, the measurement division value of the existing inside micrometer is 0.01mm, the assembly spiral micrometer scale at the front end has reading aiming error, and the accurate reading is difficult to achieve due to the influence of factors such as reading posture and light rays.

4) At present, part of measuring tools are inconvenient to carry and use, and measuring tools are often inclined in the measuring process of the measuring tools, so that the accuracy of measured data is not high, and the measuring tools can be used only by using other tools for assistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measure simple and easy measuring tool of plane depth of parallelism, convenient to use, measurement accuracy is high, and measurement process is simple.

In order to realize the purpose, the utility model adopts the following scheme:

a simple measuring tool for measuring plane parallelism comprises a digital display micrometer, an alloy spherical base and a pull rod which is vertically fixed on the alloy spherical base and can adjust the length; the other end of the drawing rod is connected with a meter frame, the meter frame is sleeved in the drawing rod and fixed through a second locking screw arranged on the side face, the digital display micrometer is fixed on the meter frame through a locking device, and a section of the drawing rod close to the meter frame is provided with scale scales.

Furthermore, the locking device is a threaded rod penetrating through the digital display micrometer frame and the meter frame, a handle is mounted at the end part of the threaded rod, and a folding handle is arranged on one side of the drawing rod.

Further, a bubble level meter is further arranged on the drawing rod.

Further, the handle and the folding handle are covered with rubber sleeves.

Furthermore, the drawing rod adopts a two-section drawing structure, the drawing rod is a seamless pipe with the wall thickness of 2mm, the outer diameters of the drawing rod are phi 14mm and phi 18mm respectively, the drawing rod with the smaller outer diameter is sleeved into the drawing rod with the larger outer diameter, and the drawing rod is fixed through a first locking screw.

Furthermore, the axis of the pull rod and the spherical center of the spherical alloy base are in a straight line.

The utility model discloses following beneficial effect has:

the whole digital display micrometer that includes the pull pole and install at the pull pole front end of measuring tool, the separation is placed during the save, fix the digital display micrometer at the pull pole front end through locking device during use and can use, high durability and convenient use, the installation is dismantled simply, be provided with the scale in addition on poor pull rod, the digital display micrometer takes out fixed back completely from the pull pole front end, original length when adding zero scale through observing the scale can prejudge measurement length, adopt scale and micrometer count to obtain accurate data between the two planes, need not pass through auxiliary work again and measure, adopt one set of instrument to accomplish measurement work, measurement engineering is simple, measurement accuracy is high. The tool base is a spherical base, the contact is supported by a line, so that the measuring error caused by local abrasion of the processing surface of the measuring plane can be eliminated, the measuring rod can swing in any direction, the use is more convenient, the digital display micrometer is adopted for accurate work, and the data is automatically displayed by the digital display micrometer, so that the reading is more convenient.

The handle is installed at the end part of the threaded rod of the locking device, the folding handle is arranged on one side of the pull rod, the folding handle is placed in parallel with the pull rod when the measuring tool is stored, the folding handle is opened to enable the folding handle to be perpendicular to the measuring tool during use, the gripping of an operator is facilitated, and the operation of technicians is facilitated through the gripping handle and the folding handle during measurement.

The pull rod is provided with the bubble level meter, so that technicians can conveniently master the levelness of the measuring tool during horizontal measurement, the arrangement of the horizontal measuring tool is not needed, and the measuring precision is ensured.

The utility model discloses a still have following characteristics:

1. the device has the advantages of convenient reading, objectivity and accuracy during measurement, and is not influenced by reading angles and light rays; the precision requirement of the original measuring tool can be ensured; the bottom of the measuring tool is in line contact with the measuring plane, so that the measuring error caused by local abrasion of the working table top is eliminated on the basis of ensuring the flexible operation of the measuring tool;

2. the operation is convenient during measurement, the measurement range can be adjusted at will, and the adjustment time of the length of the gauge rod is saved;

3. the measuring tool is simple to manufacture, the selected materials are all universal materials and appliances, and particularly, the gauge rod can be manufactured into a proper length of 2 meters or more in a short time according to the measuring range requirement, so that the processing cost is saved and the processing period is shortened.

Drawings

FIG. 1 is the overall structure diagram of the present invention

In the figure: 1. digital display micrometer, 2, locking device, 3, pull pole, 4, alloy ball shape base, 5, scale, 6, first locking screw, 7, second locking screw, 8, micrometer contact, 9, table frame, 10, handle, 11, folding handle, 12, bubble spirit level.

Detailed Description

The present invention will be described in further detail with reference to the following specific examples, which should not be construed as limiting the invention.

Referring to fig. 1, the utility model discloses a simple and easy measuring tool of measurement plane depth of parallelism, including digital display micrometer 1, alloy ball shape base 4 and the pull pole 3 of the adjustable length of vertical fixation on alloy

ball shape base

4, 3 axle centers of pull pole and the 4 centre of sphere of alloy ball shape base are on a straight line.

The other end of pull pole 3 links to each other with table frame 9, table frame 9 cover in pull pole 3 fixed through the second locking screw 7 of the setting of side, digital display micrometer 1 passes through locking device 2 to be fixed on table frame 9, micrometer contact 8 orientation measured plane, pull pole 3 comprises two or three sections pull poles, and this example adopts two sections pull poles, and the pull pole chooses the seamless pipe that the wall thickness is 2mm for use, and its external diameter is phi 14mm and phi 18mm respectively, embolias the pull pole that the external diameter is less in the pull pole that the external diameter is great to it is fixed through first locking screw 6. In order to be more convenient to use, the scale scales are arranged on the section of the drawing rod 3 close to the meter frame 9, the meter frame 9 is completely drawn out from the drawing rod 3 for fixing during measurement, and the approximate length of the measuring tool can be determined by observing the scale scales when the drawing rod 3 at the front end is drawn out from the drawing rod 3 connected with the spherical alloy base 4 in the second section because the length of the meter frame is fixed.

Because the whole length of measuring tool is longer, in order to facilitate the measurement work, locking device 2 is a threaded rod that runs through digital display micrometer 1 frame and table frame 9, and handle 10 is installed to the threaded rod tip. Meanwhile, a folding handle 11 is arranged on one side of the drawing rod 3 connected with the alloy spherical base 4, the folding handle 11 is folded to be parallel to the drawing rod 3 when a measuring tool is stored, the folding handle 11 is opened to be perpendicular to the measuring tool when the measuring tool is used, an operator can conveniently grab the measuring tool, and the gripping handle 10 and the folding handle 11 are convenient for technicians to operate during measurement. The handle 10 and the folding handle 11 are covered with rubber sleeves.

The drawing rod 3 connected with the alloy spherical base 4 is also provided with a bubble level meter 12, so that technicians can conveniently master the levelness of the measuring tool during horizontal measurement, the arrangement of the horizontal measuring tool is not needed, and the measuring precision is ensured.

According to the known distance between two planes (a reference plane and a measured plane), the length of the measuring tool is adjusted by using the pull rod 3, the length of the gauge stand 9 can be adjusted by using the second locking screw 7, the measuring tool is placed in front of a measuring position, a processing surface in contact with the alloy spherical base 4 needs to be cleaned in advance, the alloy spherical base 4 faces to the direction of parallelism of the measuring plane, the measuring tool is placed in the measuring position, the first locking screw 6 and the second locking screw 7 are locked and fixed after the total length of the measuring tool is adjusted to be in an optimal state, the measuring tool is enabled to be completely placed horizontally by observing the bubble level gauge 12 during horizontal testing, and then the reading of the digital display micrometer is measured and recorded.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.

Claims

1. The utility model provides a simple and easy measuring tool of measurement plane depth of parallelism which characterized in that: comprises a digital display micrometer (1), an alloy spherical base (4) and a pull rod (3) which is vertically fixed on the alloy spherical base (4) and can adjust the length;

the other end of the drawing rod (3) is connected with a meter frame (9), the meter frame (9) is sleeved in the drawing rod (3) and fixed through a second locking screw (7) arranged on the side face, the digital display micrometer (1) is fixed on the meter frame (9) through a locking device (2), and a section of the drawing rod (3) close to the meter frame (9) is provided with scale scales.

2. A simple gauge for measuring parallelism of planes according to claim 1, wherein: the locking device (2) is a threaded rod penetrating through a frame of the digital display micrometer (1) and the gauge stand (9), a handle (10) is installed at the end part of the threaded rod, and a folding handle (11) is arranged on one side of the pull rod (3).

3. A simple gauge for measuring parallelism of planes according to claim 2, wherein: the drawing rod (3) is also provided with a bubble level meter (12).

4. A simple gauge for measuring parallelism of planes according to claim 2, wherein: the handle (10) and the folding handle (11) are covered with rubber sleeves.

5. A simple gauge for measuring parallelism of planes according to any one of claims 1 to 4, wherein: the drawing rod (3) adopts a two-section drawing structure, a seamless pipe with the wall thickness of 2mm is selected as the drawing rod, the outer diameters of the seamless pipe are phi 14mm and phi 18mm respectively, the drawing rod with the smaller outer diameter is sleeved into the drawing rod with the larger outer diameter, and the drawing rod is fixed through a first locking screw (6).

6. A simple gauge for measuring parallelism of planes according to any one of claims 1 to 4, wherein: the axis of the drawing rod (3) is in a straight line with the spherical center of the alloy spherical base (4).