CN211503916U

CN211503916U - Device for measuring crack changes

Info

Publication number: CN211503916U
Application number: CN202020399472.XU
Authority: CN
Inventors: 刘保山; 孟祥煜; 周奡磊
Original assignee: Beijing Weiming Wenbo Culture Technology Co ltd
Current assignee: Beijing Weiming Wenbo Culture Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-09-15
Anticipated expiration: 2030-03-25

Abstract

The utility model relates to a measuring tool technical field, and an utensil for measuring crack changes is disclosed, including crack monitoring card and measuring ruler utensil, measuring ruler utensil is including rotationally connecting circular dipperstick and the ruler on crack monitoring card, be equipped with the hole the same with the ruler width on the circular dipperstick, the first end of ruler passes hole slidable and establishes on crack monitoring card, be equipped with the corresponding arc scale mark with the edge of circular dipperstick on the crack monitoring card, be equipped with the pointer of directional arc scale mark on the circular dipperstick, the second end and the crack monitoring card of ruler all are equipped with the viscose, in order to be used for pasting respectively on the wall of crack both sides. So set up, solved current measuring tool and caused damage or measured data inaccuracy and the problem that can't monitor the crack and change to building etc. easily when carrying out the crack measurement.

Description

Device for measuring crack changes

Technical Field

The present application relates to the field of measuring instruments, and more particularly, to an instrument for measuring crack changes.

Background

The joint meter, or called joint meter, is used for measuring the expansion joint or crack of building and mechanical structure. The measuring instrument is suitable for being buried in or on the surface of a hydraulic building or other concrete buildings for a long time, namely the measuring instrument is fixed on the building in a nailing fixing mode to measure the opening degree (deformation) of the expansion joint or peripheral joint of the structure. When the crack of the historic building is measured, if the existing crack meter is fixed on the historic building in a nailing mode, the historic building can be damaged, and the repair of the historic building is not facilitated; if the crack is measured by using a measuring tool such as a common steel ruler or a caliper, the position of the measuring tool such as the steel ruler or the caliper needs to be fixed in the measuring process, and the crack change at different time points needs to be recorded by measuring for many times, but as long as the measured position changes, the measured and recorded data is easy to be inaccurate, so that the change of the crack cannot be monitored.

Therefore, how to solve the problem that the existing measuring tool is easy to damage buildings and the like when performing crack measurement or cannot monitor the change of cracks due to inaccurate measurement data is a key technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the related art at least to a certain extent, the present application aims to provide an apparatus for measuring crack changes, which can solve the problem that the existing measuring tool is easy to damage buildings and the like when performing crack measurement or the measuring data is inaccurate and the crack changes cannot be monitored.

The application provides an utensil for measuring crack changes, including crack monitoring card and measurement chi utensil, the measurement chi utensil is including rotationally connecting circular dipperstick and ruler on the crack monitoring card, be provided with on the circular dipperstick with the hole that the ruler width is the same, the first end of ruler passes hole slidable ground sets up on the crack monitoring card, be provided with on the crack monitoring card with the corresponding arc scale mark in edge of circular dipperstick, just be provided with on the circular dipperstick directional the pointer of arc scale mark, the second end of ruler with the crack monitoring card all is provided with the viscose, in order to be used for pasting respectively on the wall of crack both sides.

Preferably, the hole is including corresponding first hole and the second hole that sets up, first hole with the second hole is close to respectively the edge setting of circular dipperstick, the first end of ruler passes in proper order first hole with the second hole, and is located ruler position between first hole with the second hole is kept away from crack monitoring card sets up.

Preferably, the circle center of the circular measuring scale is rotatably connected to the crack monitoring card.

Preferably, the circular measuring scale still is provided with arc graduation line and straight line graduation line, the arc graduation line sets up circular measuring scale is close to the position of arc graduation line, the straight line graduation line sets up first hole with between the second hole, and be located the below at ruler position, the arc graduation line with straight line graduation line is 10 graduation.

Preferably, the periphery of the second end of ruler is provided with the chimb, be provided with the viscose on the chimb, just the chimb with the ruler is the integral type structure.

Preferably, the second end of ruler is connected with the mounting, the viscose sets up the mounting dorsad the ruler on one side, just the width of mounting is greater than the width of ruler.

Preferably, the crack monitoring card and the measuring ruler are both made of PVC materials.

Preferably, the crack monitoring card is further provided with a numerical value recording area, and the numerical value recording area is arranged on one side far away from the second end of the ruler; and a table is arranged on the numerical value recording area, and measurement date, corner reading and ruler reading are marked in the table.

Preferably, the crack monitoring card is further provided with a crack numbering area, and the crack numbering area is located above the arc-shaped scale mark.

Preferably, the adhesive is a double-sided adhesive.

The technical scheme provided by the application can comprise the following beneficial effects:

the application provides an utensil for measuring crack changes, including crack monitoring card and measuring ruler utensil, measuring ruler utensil is including circular dipperstick and ruler, circular dipperstick rotationally connects on the crack monitoring card, the hole slidable ground connection on the circular dipperstick is passed to the first end of ruler is on circular dipperstick, and the ruler is the same with the width in hole, so that the ruler can drive circular dipperstick rotation when the skew, the second end and the crack monitoring card of ruler all are provided with the viscose, when using this utensil, hold ruler second end and crack monitoring card respectively through pasting on the wall of crack both sides, thereby make this utensil fix on surveyed historical relic, change with the settlement of the wall of measuring crack width change and crack both sides. So set up, can real-time supervision cracked change and the settlement change of the wall of crack both sides through this utensil for measuring crack change to do benefit to historical relic and restore, and can not cause the damage to the historical relic through pasting fixed mode, solved current measuring tool and led to the fact damage or measured data inaccurate and the problem that can't monitor the crack change to building etc. easily when carrying out the crack measurement.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an instrument for measuring crack changes (the second end of the straightedge is provided with a flange) shown in accordance with some exemplary embodiments;

fig. 2 is a schematic diagram of an instrument for measuring crack changes (with fasteners attached to the second end of the straightedge) according to some exemplary embodiments.

In the figure:

1. a crack monitoring card; 2. a circular measuring scale; 3. a straightedge; 4. a fixing member; 5. a first aperture; 6. a second aperture; 7. a numerical value recording area; 8. a crack numbering zone; 9. arc-shaped scale lines; 10. an arc-shaped dividing line; 11. a linear graduation line; 12. a convex edge.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 and 2, the present embodiment provides an apparatus for measuring crack changes, including a crack monitoring card 1 and a measuring ruler, where the measuring ruler includes a circular measuring ruler 2 and a straight ruler 3, the circular measuring ruler 2 is rotatably connected to the crack monitoring card 1, the straight ruler 3 is slidably disposed on the circular measuring card, a hole is disposed on the circular measuring ruler 2, a first end of the straight ruler 3 passes through the hole, and the straight ruler 3 can slide in a direction perpendicular to the hole, where the width of the hole is the same as the width of the straight ruler 3, so that the circular measuring ruler 2 can be driven to shift (rotate) when the straight ruler 3 shifts; all be provided with the viscose at the second end of ruler 3 and crack monitoring card 1, all be provided with the viscose on the second end of ruler 3 and crack monitoring card 1's medial surface promptly, when using this utensil, paste the wall in crack both sides through the viscose respectively with the second end of ruler 3 and crack monitoring card 1 to make this utensil fix on surveying the historical relic, with the change of measurement crack.

In particular, the adhesive may be a double-sided adhesive to facilitate storage of the appliance.

Be provided with arc scale mark 9 on crack monitoring card 1, arc scale mark 9 is close to the edge setting of circular dipperstick 2 to be provided with the pointer on circular dipperstick 2, the directional arc scale mark 9 of pointer, when the wall of crack both sides changes, ruler 3 drives circular dipperstick 2 and rotates, thereby the pointer takes place to rotate, then can obtain the size that the wall takes place to subside through the scale interval on the directional arc scale mark 9 of pointer.

It should be noted that one scale on the arc scale mark 9 is one millimeter, and one scale on the scale mark on the straight scale 3 is 1 millimeter.

When the crack detection device is used, the crack monitoring card 1 and the second ends of the straight ruler 3 are respectively adhered to the walls on two sides of the crack, the straight ruler 3 is perpendicular to the extending direction of the crack, the zero value of the straight ruler 3 is aligned with the edge of one side of the crack, the numerical value of the straight ruler 3 corresponding to the edge of the other side of the crack is read, and the initial value of the width of the crack can be obtained; along with the change of time, when the crack changes, if the width of the crack is increased, the second ends of the crack monitoring card 1 and the ruler 3 are far away from each other along with the walls on the two sides of the crack, the ruler 3 and the circular measuring scale 2 slide relatively, namely the ruler 3 and the crack monitoring card 1 slide relatively, and the difference of the numerical values of the ruler 3 corresponding to the two sides of the crack is the width of the crack after the change; when the wall of crack both sides takes place to subside, crack monitoring card 1 or ruler 3's second end can remove along with the wall of crack both sides to can drive ruler 3 and take place to rotate, ruler 3 drives circular dipperstick 2 and takes place to rotate in the pivoted, and the pointer on the circular dipperstick 2 points out the scale interval to arc scale mark 9 and is the size that the wall subsides promptly. Therefore, the width of the crack and the wall settlement size on two sides of the crack can be obtained in real time, and the change of the crack can be monitored in real time.

So set up, can real-time supervision cracked change and the settlement change of the wall of crack both sides through this utensil for measuring crack change to do benefit to historical relic and restore, and can not cause the damage to the historical relic through pasting fixed mode, solved current measuring tool and led to the fact damage or measured data inaccurate and the problem that can't monitor the crack change to building etc. easily when carrying out the crack measurement.

In this embodiment, the hole is including corresponding first hole 5 and the second hole 6 that sets up, and first hole 5 and second hole 6 are passed in proper order to the first end of ruler 3, so, ruler 3 passes two holes and prevents ruler 3 and circular dipperstick 2 on the one hand and take place to break away from, and on the other hand does benefit to ruler 3 and drives circular dipperstick 2 and rotate. The ruler part between the first hole 5 and the second hole 6 is far away from the crack monitoring card 1, namely the ruler part between the first hole 5 and the second hole 6 is positioned outside the circular measuring ruler 2, so that the scale value on the ruler 3 is exposed, and the ruler can be observed by a worker conveniently.

Here, the first aperture 5 and the second aperture 6 are symmetrical with respect to the center of the circular measuring ruler 2, so that the straight ruler 3 passes through the middle of the circular measuring ruler 2, and when the straight ruler 3 drives the circular measuring ruler 2 to rotate, the circular measuring ruler 2 is balanced in stress and is easier to rotate; the first aperture 5 and the second aperture 6 are arranged close to the edge of the circular measuring scale 2, respectively, to reduce the shading of the straightedge 3.

In one of them embodiment, as shown in fig. 1, the periphery of the second end of ruler 3 is provided with the chimb, be provided with the viscose on the chimb, the viscose is located the medial surface of chimb, so that the chimb can paste on the wall, here, the chimb is the same with the thickness of ruler 3, the interior outside of chimb is located the coplanar respectively with the inside and outside of ruler 3, and chimb and ruler 3 are the integral type structure, and thus, all be provided with the viscose on the medial surface of the second end of chimb and ruler 3, the area of pasting of ruler 3 with the wall has been strengthened, thereby ruler 3 and wall connection's steadiness has been strengthened, ruler 3 has been avoided droing from the wall.

In another embodiment, as shown in fig. 2, the second end of the straightedge 3 is connected with a fixing member 4, glue is arranged on the side of the fixing member 4 opposite to the straightedge 3, i.e. glue is arranged on the inner side of the fixing member, and the width of the fixing member 4 is larger than the width of the straightedge 3, so as to increase the adhering area of the straightedge 3 to the wall.

Here, the fixing member 4 may be fixedly connected to the second end of the straightedge 3 by adhesive or by a fixing member such as a fixing nail, and the connecting member is not specifically limited.

In the preferred scheme of this embodiment, the centre of a circle of circular dipperstick 2 rotationally connects on crack monitoring card 1, and like this, 3 drive circular dipperstick 2 of being convenient for take place to rotate.

The circular measuring scale 2 is further provided with an arc-shaped graduation line 10 and a straight line graduation line 11, and the arc-shaped graduation line 10 is arranged at a position, close to the arc-shaped graduation line 9, of the circular measuring scale 2, so that the arc-shaped graduation line 10 can be aligned with the arc-shaped graduation line 9, and the accuracy of measuring the size of the wall settlement is further improved; the straight graduation line 11 is arranged between the first aperture 5 and the second aperture 6, and the straight graduation line 11 is located below the straightedge 3, so that the straight graduation line 11 can correspond to the graduation lines on the straightedge 3, thereby improving the accuracy of the measured crack width.

It should be noted that the arc-shaped reference lines 10 and the straight reference lines 11 are both 10-degree divisions.

In this embodiment, the material of crack monitoring card 1 and measuring ruler utensil all can be the PVC material, like this, can improve the life of this utensil, and is not fragile.

In some embodiments, the crack monitoring card 1 is further provided with a numerical value recording area 7, the numerical value recording area 7 is arranged on the side away from the second end of the straight edge 3, and the numerical value recording area 7 is provided with a table in which a measurement date, a rotation angle reading and a straight edge reading are marked to record the measured size of the crack on the crack monitoring card 1, so as to facilitate recording the change of the crack.

The crack monitoring card 1 is also provided with a crack number area 8, and the crack number area 8 is positioned above the arc-shaped scale mark 9 and used for marking the number of the measured crack.

In addition, a two-dimensional code related to company information is printed on the numerical value recording area 7 so as to facilitate the dissemination of the company information and improve the popularity of the company.

In this embodiment, circular dipperstick 2 all rotationally connects on crack monitoring card 1 through the rivet to ruler 3 drives circular dipperstick 2 and takes place to rotate for crack monitoring card 1.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. An appliance for measuring crack changes is characterized by comprising a crack monitoring card (1) and a measuring ruler tool, the measuring ruler comprises a circular measuring ruler (2) and a straight ruler (3) which are rotatably connected with the crack monitoring card (1), the circular measuring scale (2) is provided with a pore with the same width as the ruler (3), the first end of the straight scale (3) passes through the pore and is slidably arranged on the crack monitoring card (1), the crack monitoring card (1) is provided with an arc-shaped scale mark (9) corresponding to the edge of the circular measuring scale (2), and a pointer pointing to the arc-shaped scale mark (9) is arranged on the circular measuring scale (2), the second end of ruler (3) with crack monitoring card (1) all is provided with the viscose in order to be used for pasting respectively on the wall of crack both sides.

2. The apparatus for measuring crack changes as claimed in claim 1, wherein the apertures comprise a first aperture (5) and a second aperture (6) which are correspondingly arranged, the first aperture (5) and the second aperture (6) are respectively arranged near the edge of the circular measuring ruler (2), the first end of the ruler (3) sequentially passes through the first aperture (5) and the second aperture (6), and a ruler part between the first aperture (5) and the second aperture (6) is arranged far away from the crack monitoring card (1).

3. The apparatus for measuring fissure variation according to claim 2, wherein the center of the circular measuring ruler (2) is rotatably connected to the fissure monitor card (1).

4. The apparatus for measuring crack changes according to claim 2, wherein the circular measuring scale (2) is further provided with an arc-shaped graduation mark (10) and a straight graduation mark (11), the arc-shaped graduation mark (10) being provided at a position of the circular measuring scale (2) close to the arc-shaped graduation mark (9), the straight graduation mark (11) being provided between the first aperture (5) and the second aperture (6) and below the straight scale portion, the arc-shaped graduation mark (10) and the straight graduation mark (11) both being 10-degree-indexed.

5. The apparatus for measuring crack changes as claimed in claim 1, characterized in that a flange is arranged at the periphery of the second end of the straightedge (3), that an adhesive is arranged on the flange, and that the flange and the straightedge (3) are of an integrated structure.

6. The apparatus for measuring crack changes as claimed in claim 1, characterized in that a fixing (4) is connected to the second end of the straightedge (3), the glue being arranged on the side of the fixing (4) facing away from the straightedge (3), and the width of the fixing (4) being larger than the width of the straightedge (3).

7. The apparatus for measuring crack changes according to claim 1, wherein the crack monitoring card (1) and the measuring ruler are both made of PVC.

8. The tool for measuring crack changes according to claim 1, characterized in that the crack monitoring card (1) is further provided with a value recording area (7), the value recording area (7) being arranged at a side remote from the second end of the straightedge (3); and a table is arranged on the numerical value recording area (7), and the table is internally marked with measuring date, corner reading and ruler reading.

9. The tool for measuring crack changes according to claim 1, characterized in that the crack monitoring card (1) is further provided with a crack number zone (8), the crack number zone (8) being located above the arc-shaped graduation line (9).

10. The apparatus for measuring crack change of claim 1 wherein the adhesive is a double sided adhesive.