CN215909797U

CN215909797U - Combined ruler for concrete crack depth detection

Info

Publication number: CN215909797U
Application number: CN202122035993.4U
Authority: CN
Inventors: 韩海龙; 刘广华; 彭强; 陈立
Original assignee: Ccecc Beijing Technology Inspection Co ltd
Current assignee: China Construction Eighth Engineering Bureau Testing Technology Co ltd
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-02-25
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a combined ruler for detecting the depth of a concrete crack, which comprises a transverse ruler and a vertical ruler, wherein the right part of the upper end of the transverse ruler is provided with a sliding chute, a sliding block is connected in the sliding chute in a sliding mode, the middle part of the upper end of the sliding block is provided with a sleeve hole which penetrates through the sliding chute up and down, the middle part of the lower end of the vertical ruler is provided with a sleeve rod, the middle part of the lower end of the sleeve rod is provided with a first screw hole which penetrates through the sleeve rod up and down, the middle part of the upper end of the vertical ruler is provided with a second screw hole which penetrates through the sliding chute up and down, and the second screw hole and the first screw hole are connected with screws through threads. According to the combined ruler for detecting the depth of the concrete crack, the standard gauge length of the combined ruler is 25mm, the slide block slides in the slide groove, the using position of the vertical ruler can be conveniently and flexibly adjusted, meanwhile, the sleeve rod rotates in the sleeve hole, the using angle of the vertical ruler can be conveniently and flexibly adjusted, after the use angle is adjusted, the vertical ruler can be fixed through screws, and the required detection position can be found more quickly through the two flexible adjustments.

Description

Combined ruler for concrete crack depth detection

Technical Field

The utility model relates to the field of concrete structure crack depth detection, in particular to a combined ruler for concrete crack depth detection.

Background

Concrete cracks are physical structural changes of a concrete structure due to the action of internal and external factors, the cracks are main reasons for reducing the bearing capacity, durability and waterproofness of a concrete structure, common treatment methods of the concrete cracks comprise a filling method, a grouting method, a structural reinforcement method, a concrete replacement method, an electrochemical protection method and the like, and the distance measurement of the existing concrete structure crack depth detection (the estimated depth is not more than 500 mm) has the following defects: 1. when the crack depth of the concrete structure is detected, the distance between the inner edges of the two transducers is needed, the conventional steel ruler or steel tape is inconvenient to carry, and the ruler measuring speed is low; 2. in the process of measuring the distance, the error of the inner edge measured by the steel ruler is large, and inaccurate data is easily caused. Therefore, a combined ruler for detecting the depth of the concrete crack is provided.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a combined ruler for detecting the depth of a concrete crack, which can effectively solve the problems in the background technology.

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

the utility model provides a combination chi for concrete crack degree of depth detects, includes the horizontal ruler and erects the chi, open the horizontal ruler upper end right part has the spout, sliding connection has the slider in the spout, the hole of cup jointing that has upper and lower break-over is opened at slider upper end middle part, erect chi lower extreme mid-mounting and have the pole of cup jointing, cup joint pole lower extreme middle part and open No. one screw that has upper and lower break-over, it has the screw to erect No. two screws of break-over about opening at chi upper end middle part, common threaded connection has the screw in No. two screws and a screw.

Preferably, the size of the sleeving rod is matched with the size of the sleeving hole, the sleeving rod is movably sleeved in the sleeving hole, and the sleeving position corresponds to the sleeving hole.

Preferably, the first screw hole and the second screw hole are the same in size, and the first screw hole, the second screw hole and the sleeving hole are symmetrically distributed up and down.

Preferably, the screw extends into the sleeving connection hole after being in threaded connection with the second screw hole and the first screw hole, and the lower end face of the screw is in contact with the lower inner wall face of the sliding groove.

Preferably, the width of the transverse ruler is 500mm, and the length of the sliding groove is 250 mm.

Preferably, the length of the vertical ruler is set to be 100mm, and the width of the vertical ruler is set to be 50 mm.

Compared with the prior art, the utility model has the following beneficial effects:

1. when the combined ruler is installed, the sliding block is sleeved into the sliding groove, the sleeved rod is sleeved into the sleeved hole, so that the transverse ruler is connected with the vertical ruler, the screw is connected with the second screw hole in a threaded manner and then is connected with the first screw hole in a threaded manner, the lower part of the screw is sleeved into the sleeved hole until the lower end face of the screw is contacted with the lower inner wall face of the sliding groove, and therefore the transverse ruler and the vertical ruler are installed and fixed, and the assembly and disassembly are simple and rapid;

2. after the vertical ruler is connected to the horizontal ruler, the sliding block slides in the sliding groove, the using position of the vertical ruler can be conveniently and flexibly adjusted, the inner rotation of the sleeve hole is sleeved through the sleeve rod, the using angle of the vertical ruler can be conveniently and flexibly adjusted, after the vertical ruler is adjusted, the vertical ruler can be fixed through screws, and the needed detecting position can be found more quickly through the two flexible adjustments.

Drawings

FIG. 1 is a schematic overall structure diagram of a combination ruler for concrete crack depth detection according to the present invention;

FIG. 2 is a plan view showing the overall structure of a combination ruler for concrete crack depth detection according to the present invention;

fig. 3 is an exploded view of the overall structure of a combined ruler for detecting the depth of a concrete crack.

In the figure: 1. a transverse ruler; 2. a vertical ruler; 3. a chute; 4. a slider; 5. sleeving a hole; 6. a sleeved rod; 7. a first screw hole; 8. a second screw hole; 9. and (4) screws.

Detailed Description

As shown in fig. 1-3, a combination chi for concrete crack depth detection, including horizontal chi 1 and perpendicular chi 2, horizontal chi 1 upper end right part is opened there is spout 3, sliding connection has slider 4 in the spout 3, the cup joint hole 5 of upper and lower break-over is opened at slider 4 upper end middle part, it has cup joint pole 6 to erect 2 lower extreme mid-mounting of chi, the screw 7 of upper and lower break-over is opened at 6 lower extreme middle parts of cup joint pole, it has No. two screws 8 of upper and lower break-over to erect 2 upper end middle parts of chi, in No. two screws 8 and in No. 7 common threaded connection have screw 9.

The size of the sleeve rod 6 is matched with the size of the sleeve hole 5, the position of the sleeve rod is corresponding to that of the sleeve hole 5, and the sleeve rod 6 is movably sleeved in the sleeve hole 5; the first screw hole 7 and the second screw hole 8 are the same in size, and the first screw hole 7, the second screw hole 8 and the sleeving hole 5 are symmetrically distributed up and down; the screw 9 is connected with the second screw hole 8 and the first screw hole 7 through threads and then extends into the sleeving hole 5, and the lower end face of the screw 9 is in contact with the lower inner wall face of the sliding chute 3; the width of the transverse ruler 1 is set to be 500mm, and the length of the sliding chute 3 is set to be 250 mm; the length of the vertical ruler 2 is set to be 100mm, and the width of the vertical ruler 2 is set to be 50 mm.

The utility model is a combined ruler for concrete crack depth detection, when in installation, a slide block 4 is sleeved in a chute 3, then a sleeve rod 6 is sleeved in a sleeve hole 5, so as to realize the connection of a transverse ruler 1 and a vertical ruler 2, then a screw 9 is in threaded connection with a screw hole 8 II and then is in threaded connection with a screw hole 7I, the lower part of the screw 9 is sleeved in the sleeve hole 5 until the lower end face of the screw 9 is contacted with the lower inner wall face of the chute 3, so as to realize the installation and fixation of the transverse ruler 1 and the vertical ruler 2, the disassembly and the assembly are simple and quick, when in use, the crack part of a member has only one measurable surface, a nonmetal ultrasonic detector is used for detecting the sound velocity value of concrete which is not measured across the crack, measuring points are arranged across the crack according to different distance measurement, the combined ruler is tightly adhered to the surface of the concrete according to the cecs21:2000 test procedure, when the nonmetal ultrasonic detector is used for detecting the sound of the concrete at different scale distance points, utilize regression analysis's method to ask when the sound and the regression linear equation between the range finding, take the average value of three points as this cracked degree of depth value, slide in spout 3 through slider 4 when using, can make things convenient for nimble regulation vertical ruler 2's position of use, simultaneously through cup jointing pole 6 in cup jointing 5 internal rotations in the hole, can make things convenient for nimble regulation vertical ruler 2's use angle, adjust the back, through screw 9 fixed can, through these two kinds of nimble regulations, can be faster find required detection position.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a combination chi for concrete crack depth detects, includes horizontal chi (1) and perpendicular chi (2), its characterized in that: horizontal chi (1) upper end right part is opened has spout (3), sliding connection has slider (4) in spout (3), slider (4) upper end middle part is opened has cup joint hole (5) of upper and lower break-over, erect chi (2) lower extreme mid-mounting and have cup joint pole (6), cup joint pole (6) lower extreme middle part is opened has screw (7) of upper and lower break-over, erect chi (2) upper end middle part and open No. two screw (8) of upper and lower break-over, common threaded connection has screw (9) in No. two screw (8) and screw (7).

2. The combination ruler for concrete crack depth detection according to claim 1, characterized in that: the size of the sleeve joint rod (6) is matched with the size of the sleeve joint hole (5) and the position of the sleeve joint rod corresponds to the size of the sleeve joint hole (5), and the sleeve joint rod (6) is movably sleeved in the sleeve joint hole (5).

3. The combination ruler for concrete crack depth detection according to claim 1, characterized in that: the first screw hole (7) and the second screw hole (8) are the same in size, and the first screw hole (7), the second screw hole (8) and the sleeving connection hole (5) are symmetrically distributed up and down.

4. The combination ruler for concrete crack depth detection according to claim 1, characterized in that: the screw (9) is connected with the second screw hole (8) and the first screw hole (7) in a threaded manner and then extends into the sleeving hole (5), and the lower end face of the screw (9) is in contact with the lower inner wall face of the sliding groove (3).

5. The combination ruler for concrete crack depth detection according to claim 1, characterized in that: the width of the transverse ruler (1) is set to be 500mm, and the length of the sliding chute (3) is set to be 250 mm.

6. The combination ruler for concrete crack depth detection according to claim 1, characterized in that: the length of the vertical ruler (2) is set to be 100mm, and the width of the vertical ruler (2) is set to be 50 mm.