CN213090671U

CN213090671U - Article surface flatness measuring device

Info

Publication number: CN213090671U
Application number: CN202022387306.0U
Authority: CN
Inventors: 吴聪聪
Original assignee: HUBEI JOABOA BUILDING ENERGY CONSERVATION TECHNOLOGY CO LTD
Current assignee: HUBEI JOABOA BUILDING ENERGY CONSERVATION TECHNOLOGY CO LTD
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-04-30
Anticipated expiration: 2030-10-24

Abstract

The utility model provides an article surface flatness measuring device, include: the measuring instrument comprises a measuring instrument body, wherein a dial indicator and a rolling mechanism are arranged on the measuring instrument body; the base is used for being placed on the surface of an object to be measured during measurement and is provided with a slide rail and a notch; during measurement, the measuring instrument body is placed on the base, the rolling mechanism can roll in the sliding rail to drive the measuring instrument body to move, and a measuring head of the dial indicator can penetrate through the notch to measure the flatness of the surface of the object to be measured. This application is through the cooperation of base and measuring apparatu body, and the measuring apparatu can record the article surface roughness of notch position through stretching into the amesdial gauge head in the notch when moving along the slide rail, and the reading that reads the amesdial just can the direct measurement obtain the roughness, measures the accuracy, and measuring position is unrestricted, makes the measurement process convenient more, quick and easy operation.

Description

Article surface flatness measuring device

Technical Field

The utility model belongs to the technical field of building material's measurement, a article surface flatness measuring device is related to.

Background

In the building industry, the quality of building materials and the flatness of the surfaces of the materials have great influence on the construction effect, the surfaces of the materials are ensured to be smooth and flat, and the construction engineering quality and the construction safety can be ensured only if the surface has no obvious caves, cracks, short rules and scabs, the construction progress is accelerated, and the construction cost is reduced.

At present, the flatness of building materials is generally measured by the traditional manual visual inspection or by measuring the heights of two end surfaces of a sample to be measured by a guiding rule and then calculating the height difference of the two end surfaces of the sample to test whether the flatness requirements of the building materials are met.

Therefore, the existing method for measuring the flatness of the building template is difficult to meet the requirement of quickly and accurately detecting the surface flatness of the building material at present.

Disclosure of Invention

An object of the utility model is to prior art not enough, provide an article surface flatness measuring device, aim at solving the problem that can not the quick accurate detection building materials surface flatness among the prior art.

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

an article surface flatness measuring apparatus, comprising:

the measuring instrument comprises a measuring instrument body, wherein a dial indicator and a rolling mechanism are arranged on the measuring instrument body; and

the base is used for being placed on the surface of an object to be measured during measurement and is provided with a slide rail and a notch;

during measurement, the measuring instrument body is placed on the base, the rolling mechanism can roll in the sliding rail to drive the measuring instrument body to move, and a measuring head of the dial indicator can penetrate through the notch to measure the flatness of the surface of the object to be measured.

Preferably, the measuring head of the dial indicator is an end wheel, and the end wheel is used for abutting against the surface of the measured object.

Preferably, at least one level placing groove is arranged on the measuring instrument body.

Further, the measuring instrument body is provided with two spirit level placing grooves, and the length directions of the two spirit level placing grooves are perpendicular to each other.

Further, the rolling mechanisms are mounted on two sides of the measuring instrument body in a height-adjustable manner.

Furthermore, installation parts are arranged on two sides of the measuring instrument body, and the rolling mechanism is connected with the measuring instrument body through the installation parts in a height-adjustable mode.

Preferably, the rolling mechanism comprises a threaded rod, and the rolling mechanism is in threaded connection with the mounting part through the threaded rod.

Furthermore, the rolling mechanism comprises a rolling bearing and a hollow shaft, the hollow shaft is installed on the measuring instrument body through the threaded rod, the threaded rod and the hollow shaft are coaxially arranged, and an inner ring of the rolling bearing is fixedly connected with the hollow shaft.

Preferably, the rolling mechanism is a bolt type roller, and a bolt at the end part of the rolling mechanism is in threaded connection with the mounting part.

Preferably, the measuring instrument body is provided with a clamping seat for fixing the dial indicator.

The utility model has the advantages that: the utility model provides an article surface roughness measuring device, this application is through the cooperation of base and measuring apparatu body, and the measuring apparatu is when moving along the slide rail, can record the article surface roughness of notch position through stretching into the amesdial gauge head in the notch, and the reading of reading the amesdial just can the direct measurement obtain the roughness, measures the accuracy, and measuring position is unrestricted, makes the measurement process more convenient, quick and easy operation.

Drawings

Fig. 1 is a schematic structural view of an article surface flatness measuring apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a base according to an embodiment of the present invention;

fig. 3 is a front view of a measuring device body according to an embodiment of the present invention;

fig. 4 is a left side view of a meter body according to an embodiment of the present invention;

fig. 5 is a top view of a meter body according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view taken at A-A of FIG. 5;

fig. 7 is a cross-sectional view at B-B in fig. 5.

The labels in the figure are: 1. a base; 101. a slide rail; 102. a notch; 2. a card holder; 3. a dial indicator; 301. an end wheel; 4. a gauge body; 401. a first mounting groove; 402. a second mounting groove; 403. a level placing groove; 5. a rolling mechanism; 501. an inner ring; 502. a bolt; 503. a hollow shaft.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1 to 7, an embodiment of an apparatus for measuring the surface flatness of an object according to the present invention is shown. The device for measuring the surface flatness of the object comprises a measuring instrument body 4 and a base 1, wherein the base 1 plays a role of bearing the measuring instrument body 4, and the base 1 and the measuring instrument body 4 can be separately placed when not in work; when measuring, firstly the base 1 is placed on the surface of the object to be measured, and then the measuring instrument body 4 is placed on the base 1 for measuring. The dial indicator 3 and the rolling mechanism 5 are arranged on the measuring instrument body 4, the rolling mechanism 5 enables the measuring instrument body 4 to move back and forth, and in the moving process, the dial indicator 3 can measure the flatness of the surface of the object to be measured through the measuring head. The base 1 is provided with a slide rail 101 and a notch 102, and the slide rail 101 is parallel to the notch 102 in the length direction. As shown in fig. 1, during measurement, the measuring instrument body 4 is placed on the base 1, specifically, the rolling mechanism 5 is placed on the chute, so that the rolling mechanism 5 can roll in the chute to drive the measuring instrument body 4 to move along the length direction of the chute, when the rolling mechanism 5 is located on the chute, a measuring head of the dial indicator 3 on the measuring instrument body 4 vertically penetrates through the notch 102 to contact with the surface of the object to be measured, and thus, in the moving process of the measuring instrument body 4, the dial indicator 3 can read the flatness of the sliding track of the measuring instrument body 4 on the object to be measured.

Compare with traditional manual measurement, the roughness measuring device that this application provided just can measure the determinand surface smoothness of base 1 position through the manual slide rail 101 that promotes measuring apparatu body 4 on the base 1 of user and remove, and traditional measuring method can only the maximum difference in height at determinand both ends, and the utility model discloses both can measure the difference in height at both ends, also can change the position of base 1 through removing and measure the roughness of determinand arbitrary part at any time, make the measurement of building materials more convenient and accurate, adopt amesdial 3 to carry out high precision measurement to the surface, the user just can directly read out the roughness on determinand surface through amesdial 3, just also can judge whether the roughness of this determinand satisfies the construction requirements relatively fast, and measuring process is simple easy to operate. In addition, for other large-scale inconvenient roughness measuring equipment that removes, the measuring device of this application still possesses the advantage of conveniently carrying.

Specifically, the base 1 plays a role in guiding the measuring instrument body 4 to move along the sliding rail 101, and is further used for ensuring that the measuring instrument body 4 can move stably, and for an article with an uneven surface, the base 1 is placed on the article, and due to the fact that the flatness deviation of the sliding rail 101 is small, the measuring instrument body 4 cannot shake up and down to cause measurement errors due to the fact that the article is uneven. Moreover, the two ends of the notch 102 along the length direction are sealed, and when the measuring instrument body 4 slides on the base 1 to a certain distance, the notch 102 blocks the measuring instrument body 4, so that the measuring instrument body 4 cannot be separated from the base 1 due to an excessively high moving speed.

In one embodiment, the measuring head of the micrometer 3 is an end wheel 301, the end wheel 301 is used for abutting against the surface of the object to be measured, the end wheel 301 is a touch end wheel 301 used for replacing a probe of the micrometer, and the end wheel 301 can reduce the friction force generated between the measuring instrument body 4 and the surface of the object in the moving process, so that the measuring instrument body 4 can move more smoothly.

In one embodiment, the measuring instrument body 4 is provided with at least one level placing groove 403, so that a level can be placed in the measuring instrument body 4, whether the levelness of the measuring instrument body 4 meets the requirement is detected, and if the levelness of the measuring instrument body 4 does not meet the requirement, the measurement of the levelness is started only by adjusting the placing position of the base 1 or adjusting the height of the measuring instrument body 4 to enable the measuring instrument body to be in a horizontal state, so that the measured levelness result is more accurate.

Preferably, in the above embodiment, as shown in fig. 5, the measuring instrument body 4 is provided with two level placement grooves 403, the two level placement grooves 403 are perpendicular to each other in the length direction, specifically, when one level placement groove 403 is arranged parallel to the X axis, the other level is arranged parallel to the Y axis, the two levels are respectively placed in the two level placement grooves 403, it can be seen whether the measuring instrument is inclined in the X axis or Y axis direction, and if there is an inclination, the levelness of the measuring instrument body 4 is timely adjusted to ensure the accuracy of the levelness measurement.

Preferably, in one embodiment, the rolling mechanism 5 is mounted on two sides of the measuring instrument body 4 in a height-adjustable manner, and when the measuring instrument body 4 is not in a horizontal position as measured by the level, the height of one side of the measuring instrument body 4 can be lowered or raised by adjusting the connection position of the rolling mechanism 5 and the measuring instrument body 4, so that the measuring instrument body 4 can be adjusted to be in a horizontal state. In this embodiment, for the measuring instrument body 4 in which the X-axis direction spirit level and the Y-axis direction spirit level are placed, at least two rolling mechanisms 5 arranged in the front and back are respectively provided on both sides of the measuring instrument body 4, and when the X-axis direction spirit level is displayed in an inclined state, the measuring instrument body 4 is kept horizontal in the X-axis direction by adjusting the connection positions of the left and right rolling mechanisms 5 and the measuring instrument body 4; when the Y-axis level is displayed in an inclined state, the rolling mechanism 5 provided in the front and rear is adjusted to keep the measuring instrument body 4 horizontal in the Y-axis direction. The user can adjust the gauge body 4 by the level placed on the observation gauge body 4.

In this embodiment, two sides of the measuring instrument body 4 are provided with mounting portions, and the rolling mechanism 5 is connected with the measuring instrument body 4 through the mounting portions in a height-adjustable manner. In this embodiment, the mounting portion is a rectangular groove, a thread is provided inside the mounting portion, and after the rolling mechanism 5 is adjusted to a proper mounting position in the mounting portion up and down, the threaded rod 502 is screwed down to be matched with the thread of the mounting portion so as to fix the position of the rolling mechanism 5, thereby completing the horizontal adjustment of the measuring instrument body 4. Specifically, in this embodiment, the threaded rod 502 may be a bolt, as long as one end of the threaded rod 502 is rod-shaped and has an external thread on the outer side.

Preferably, as shown in fig. 6 and 7, in one embodiment, the rolling mechanism 5 comprises a rolling bearing and a hollow shaft 503, the hollow shaft 503 being mounted on the gauge body 4 by means of the threaded rod 502. Specifically, in one embodiment, the threaded rod 502 may be fixed to an internal thread of the hollow shaft 503, and then one end of the threaded rod 502 is screwed to the mounting portion, so that the hollow shaft 503 is mounted on the measuring instrument body 4. In another embodiment, the threaded rod 502 is a bolt, one end of the bolt is threaded through the hollow shaft 503 to connect with the mounting portion, and the nut blocks the hollow shaft 503 so that the hollow shaft 503 is mounted on the mounting portion. In order to change the connection position of the threaded rod 502 and the mounting portion for the purpose of adjusting the rolling mechanism 5, the threaded rod 502 is disposed coaxially with the hollow shaft 503. The inner ring 501 of the rolling bearing is fixedly connected with the hollow shaft 503, when the measuring instrument body 4 is pushed, the outer ring of the rolling bearing rotates around the axis of the hollow shaft 503, and the hollow shaft 503 and the inner ring 501 of the rolling bearing are always kept static. Preferably, in this embodiment, the installation portion is a stepped return groove, the installation portion is a first installation groove 401 and a second installation groove 402, the second installation groove 402 is located inside the first installation groove 401, the first installation groove 401 is used for being matched with a nut of a bolt to fix a hollow shaft 503, the second installation groove 402 is used for being matched with a screw thread of the bolt, the height of the first installation groove 401 is equal to the height of the second installation groove 402, and the aperture width of the first installation groove 401 is greater than the aperture width of the second installation groove 402.

In other embodiments, the rolling bearing may adopt a bolt-type roller, one end of the bolt-type roller is a threaded screw, the threaded screw can be directly in threaded connection with the inner wall of the mounting seat, and the bolt-type roller is prior art and is not described herein again.

Preferably, in one embodiment, the dial indicator 3 is a digital dial indicator 3 with the precision of 0.001mm and the measurement range of 0.001-25.4 mm. The dial indicator 3 can also be suitable for a curve display function or a data storage and transmission function, can guide the measured data into a computer through a data line or a wireless communication mode (such as Bluetooth) to conveniently analyze and count the data, and can visually reflect the flatness of the surface of the measured object. The measuring instrument body 4 is provided with a clamping seat 2, the inner diameter of the clamping seat 2 can be set according to a measuring rod of the dial indicator 3, the clamping seat 2 is used for fixing the dial indicator 3, the height of the clamping seat 2 can be adjusted according to the thickness of the base 1, and when the dial indicator 3 is fixed on the clamping seat 2, the measuring head just contacts with the surface of a measured object below the base 1.

During the use, place base 1 on the article that needs the measurement roughness, put into base 1 with measuring apparatu body 4, make amesdial 3 pass notch 102 and can contact the surface of measured object, observe the spirit level, the position of adjusting roller mechanism makes measuring apparatu body 4 reach certain levelness, return amesdial 3 to zero, promote measuring apparatu body 4 with the hand, make it advance along slide rail 101, can read the measured value of amesdial 3 in real time, also can set up amesdial 3 into reading the maximum difference data, directly keep and show the maximum roughness difference value, adopt amesdial 3 of taking curve record and derivation function, can also derive the data computer or cell-phone, carry out data analysis.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and substitutions performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. An article surface flatness measuring apparatus, comprising:

the measuring instrument comprises a measuring instrument body (4), wherein a dial indicator (3) and a rolling mechanism (5) are arranged on the measuring instrument body (4); and

the base (1) is used for being placed on the surface of an object to be measured during measurement and is provided with a sliding rail (101) and a notch (102);

during measurement, the measuring instrument body (4) is placed on the base (1), the rolling mechanism (5) can roll in the sliding rail (101) to drive the measuring instrument body (4) to move, and a measuring head of the dial indicator (3) can penetrate through the notch (102) to measure the flatness of the surface of an object to be measured.

2. The apparatus for measuring the surface flatness of an article according to claim 1, wherein the measuring head of the dial indicator (3) is an end wheel (301), and the end wheel (301) is used for abutting against the surface of the measured object.

3. The apparatus for measuring the surface flatness of an object according to claim 1, wherein the measuring instrument body (4) is provided with at least one level placement groove (403).

4. The apparatus for measuring the surface flatness of an object according to claim 3, wherein the measuring instrument body (4) is provided with two level placement grooves (403), and the length directions of the two level placement grooves (403) are perpendicular to each other.

5. The apparatus for measuring the surface flatness of an article according to claim 3, wherein the rolling mechanism (5) is height-adjustably installed at both sides of the gauge body (4).

6. The device for measuring the surface flatness of an article according to claim 5, wherein mounting portions are provided on both sides of the measuring instrument body (4), and the rolling mechanism (5) is connected with the measuring instrument body (4) through the mounting portions in a height-adjustable manner.

7. The apparatus for measuring the surface flatness of an object according to claim 6, wherein the rolling mechanism (5) includes a threaded rod (502), and the rolling mechanism (5) is threadedly connected to the mounting portion through the threaded rod (502).

8. The device for measuring the surface flatness of an article according to claim 7, wherein the rolling mechanism (5) comprises a rolling bearing and a hollow shaft (503), the hollow shaft (503) is mounted on the measuring instrument body (4) through the threaded rod (502), the threaded rod (502) and the hollow shaft (503) are coaxially arranged, and an inner ring (501) of the rolling bearing is fixedly connected with the hollow shaft (503).

9. The apparatus for measuring the surface flatness of an article according to claim 6, wherein the rolling mechanism (5) is a bolt-type roller, and a bolt at an end portion of the rolling mechanism (5) is threadedly coupled to the mounting portion.

10. The apparatus for measuring the surface flatness of an object according to any one of claims 1 to 9, wherein the measuring instrument body (4) is provided with a holder (2) for fixing the dial indicator (3).