CN218628218U

CN218628218U - Concrete defect measurement crack width detection device

Info

Publication number: CN218628218U
Application number: CN202223091626.7U
Authority: CN
Inventors: 李杨波; 王国晶
Original assignee: Fuzhou Xinlongda Civil Engineering Testing Co ltd
Current assignee: Fuzhou Xinlongda Civil Engineering Testing Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-03-14
Anticipated expiration: 2032-11-21

Abstract

The utility model discloses a concrete defect measurement crack width detection device relates to crack width and detects technical field, for solving carrying out the width to the concrete defect crack among the prior art and examining time measuring, needs the discernment of people's eye to read scale numerical value, and is very inconvenient, and relies on visual observation to have certain error, influences the problem to the accuracy that concrete defect crack width detected. The top of detection case is provided with movable detection head and fixed detection head respectively, the detection case passes through bolt fixed connection with fixed detection head, be provided with on the up end of detection case and detect the slide opening, the below fixed mounting of movable detection head has the connecting plate, and the connecting plate wears into the inside of detection case through detecting the slide opening, the below fixed mounting of connecting plate has the guide block, the below fixed mounting of guide block has the link, the inside fixed mounting of detection case has displacement sensor, and displacement sensor's measurement rod end and link fixed connection.

Description

Concrete defect measurement crack width detection device

Technical Field

The utility model relates to a crack width detects technical field, specifically is concrete defect measures crack width detection device.

Background

In urban construction, concrete is indispensable, after construction facilities are finished, the concrete often has defective cracks, and the width detection of the construction concrete cracks is needed to observe whether the construction facilities meet the standard or not;

for example, patent No. CN210638615U (a crack width observation instrument for crack detection): the two sides of the observation shell are respectively embedded with a transverse measuring scale at the rear end position, the upper side and the lower side of the observation shell are respectively embedded with a vertical measuring scale at the tail end position, the sleeve nut is connected with the transverse measuring scale through a transverse rotating rod, and the push-pull rod is connected with the vertical measuring scale through a vertical rotating rod;

although the prior art can accurately measure different crack widths, the situation that an observation instrument cannot measure the crack width due to small crack width is avoided, when the width of the concrete defect crack is detected, a human eye is required to identify and read scale values, so that the method is very inconvenient, certain errors exist in visual observation, and the accuracy of detecting the width of the concrete defect crack is influenced; therefore, the market urgently needs to develop a concrete defect measuring crack width detection device to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a concrete defect measurement crack width detection device to what propose among the above-mentioned background art of solution carries out the width to the concrete defect crack and examines time measuring, needs the discernment of people's eye to read scale numerical value, and is very inconvenient, and relies on visual observation to have certain error, influences the problem to the accuracy that concrete defect crack width detected.

In order to achieve the above purpose, the utility model provides a following technical scheme: concrete defect measurement crack width detection device, including the detection case, the top of detection case is provided with movable detection head and fixed detection head respectively, the detection case passes through bolt fixed connection with fixed detection head, be provided with on the up end of detection case and detect the slide opening, the below fixed mounting of movable detection head has the connecting plate, and the inside that the detection case was worn into through detecting the slide opening to the connecting plate, the below fixed mounting of connecting plate has the guide block, the below fixed mounting of guide block has the link, the inside fixed mounting of detection case has displacement sensor, and displacement sensor's measurement rod end and link fixed connection, fixed mounting has display instrument on the preceding terminal surface of detection case.

Preferably, the inside fixed mounting of detection case has the guide bar, and the guide bar runs through the guide block, be provided with the restriction slide opening on the preceding terminal surface of detection case.

Preferably, the front end of the detection box is provided with a limiting screw rod, the limiting screw rod penetrates into the detection box through a limiting sliding hole, and the limiting screw rod is in threaded connection with the guide block.

Preferably, the up end of detection case is provided with the scale mark along one side that detects the slide opening on, the activity detects the head and comprises first measuring end and first backup plate, the front end fixed mounting of first backup plate has the push pedal, fixed detection head comprises second measuring end and second backup plate.

Preferably, the below fixed mounting of detection case has the hand, the outside of shaking hands is provided with the rubber sleeve.

Preferably, a power supply is arranged in the detection box, and a bubble level meter is fixedly mounted on the front end face of the detection box.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a through display instrument, the activity detects the head, fixed detection head and displacement sensor's setting, wherein the activity detects the head and is connected with displacement sensor's movable rod end, make displacement sensor can measure the displacement volume that the activity detected the head, and then when carrying out width detection to concrete defect crack, detect the head and insert the crack with the fixed detection head activity, when removing the activity and detect the head, can the automatic measurement through displacement sensor move the displacement of detection head in the crack, rethread display instrument's effect, can show concrete defect crack width numerical value, thereby solved and needed the problem that people's eye discernment read scale numerical value, show crack width numerical value through automatic, the testing process has been made things convenient for, the accuracy of detecting numerical value has been improved, the practicality of device has been increased, the device volume is less simultaneously, the convenient to take, and portability has been increased.

2. The utility model discloses a through the setting of guide block and guide bar, can lead to the removal of connecting plate, thereby the straight line stationarity that the activity detection head removed has been improved, be favorable to the accuracy that the concrete crack detected, be provided with the limiting screw rod simultaneously at the front end of guide block, can fix the position of guide block through screwing up the limiting screw rod, thereby when the detection case internal power electric quantity exhausts, can adopt the mode of people's eye discernment scale to carry out crack width and detect, the variety of detection mode has been improved, and the practicality has been increased.

Drawings

FIG. 1 is a schematic view of the crack width detection device for measuring concrete defects of the present invention;

FIG. 2 is a sectional view of the detection box of the present invention;

FIG. 3 is an enlarged schematic view of the part A of the present invention;

fig. 4 is a side sectional view of the guide block of the present invention.

In the figure: 1. a detection box; 2. handshaking; 3. a rubber sleeve; 4. a display instrument; 5. a bubble level; 6. detecting a slide hole; 7. a restricting slide hole; 8. a restraining screw; 9. a movable detection head; 10. fixing the detection head; 11. a connecting plate; 12. a guide block; 13. a guide rod; 14. a connecting frame; 15. a displacement sensor; 16. a power source; 17. a first measuring end; 18. a first backup plate; 19. pushing the plate; 20. a second measuring terminal; 21. a second backup plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Referring to fig. 1-4, the present invention provides an embodiment of: concrete defect measurement crack width detection device, including detection case 1, the top of detection case 1 is provided with movable detection head 9 and fixed detection head 10 respectively, and detection case 1 passes through bolt fixed connection with fixed detection head 10, is provided with on the up end of detection case 1 and detects slide opening 6, the slip of the movable detection head 9 of being convenient for. A connecting plate 11 is fixedly arranged below the movable detection head 9. Preferably, the movable detection head 9 is detachably fixed to the upper end surface of the connection plate 11 by screws. The lower end of the connecting plate 11 penetrates into the detection box 1 through the detection slide hole 6, and a guide block 12 is fixedly arranged below the connecting plate 11. Preferably, the connecting plate 11 is provided integrally with the guide block. The connecting frame 14 is fixedly arranged below the guide block 12 in a screw mode and the like, the displacement sensor 15 is fixedly arranged inside the detection box 1 and can measure the displacement distance of the movable detection head 9, and the measuring rod end of the displacement sensor 15 is fixedly connected with the connecting frame 14 in a screw mode and the like. Fixedly mounted on the preceding terminal surface of detection case 1 has display instrument 4, and display instrument 4 sets up to the digital display instrument, is convenient for carry out the demonstration of concrete defect crack width numerical value.

Therefore, when the width detection is carried out on the concrete defect crack, the movable detection head 9 and the fixed detection head 10 are inserted into the crack, the movable detection head 9 is moved, the moving distance of the movable detection head in the crack can be automatically measured through the displacement sensor 15, the width value of the concrete defect crack can be displayed through the action of the display instrument 4, the problem that the scale value needs to be read through human eye identification is solved, the crack width value is automatically displayed, the detection process is facilitated, and the accuracy of the detection value is improved.

Further, the inside fixed mounting of detection case 1 has guide bar 13, and guide bar 13 runs through guide block 12 to guide bar 13 and guide block 12 can slide each other, and the setting up of guide bar 13 and guide block 12 has improved the straight line stationarity that the activity detected the head 9 and removed, is favorable to the accuracy that the concrete crack detected. Be provided with restriction slide opening 7 on the preceding terminal surface of detection case 1, the front end of detection case 1 is provided with limiting screw 8, and limiting screw 8 wears into the inside of detection case 1 through restriction slide opening 7, limiting screw 8 and guide block 12 threaded connection, limiting screw 8's tip extends into in the slide opening of guide bar 13 in the guide block 12, thereby can fix the position of guide block 12 through screwing up limiting screw 8, adopt the mode of people's eye identification scale to carry out crack width detection, the variety that detects concrete defect crack width and look over numerical value mode has been improved.

Further, be provided with the scale mark along the one side that detects slide opening 6 on the up end of detection case 1, the convenient mode through the human eye discernment scale carries out crack width detection, activity detection head 9 comprises second measuring terminal 20 and first backup plate 18, the front end fixed mounting of first backup plate 18 has push pedal 19, the slip of convenient activity detection head 9, fixed detection head 10 comprises second measuring terminal 20 and second backup plate 21, second measuring terminal 20 is the same with second measuring terminal 20 size, when carrying out concrete defect crack width measurement, need increase and decrease the timing to the display numerical value of display instrument 4, displacement sensor 15 measures numerical value and the concrete defect crack width numerical value of second measuring terminal 20 and second measuring terminal 20 thickness for the final display of display instrument 4, the accuracy of detection has been improved.

Further, the below fixed mounting of detection case 1 has 2 of shaking hands, has improved the convenience that the device was taken, and the outside of 2 of shaking hands is provided with rubber sleeve 3, increases the friction, has improved the stability that the device was taken.

Further, the inside of detection case 1 is provided with power 16, and one side of detection case 1 is provided with power 16's charging port end, and fixed mounting has bubble spirit level 5 on the preceding terminal surface of detection case 1, is convenient for look over when carrying out concrete defect crack width detection case 1 ten minutes level, has improved the accuracy that detects, has increased the practicality of device.

The working principle is as follows: during the use, take detection case 1 through holding 2, when carrying out the width detection to concrete defect crack, hold 2 of shaking hands, draw close activity detection head 9 and fixed detection head 10 and insert in the crack, show instrument 4 towards the top, through the effect of bubble spirit level 5, check whether detection case 1 is horizontal, if not horizontal then adjust, make second measuring terminal 20 and a side laminating contact of crack, through push pedal 19 pulling activity detection head 9, until first measuring terminal 17 and the laminating contact of cracked other end side, when activity detection head 9 slides, through displacement sensor 15's effect, can measure the displacement volume of activity detection head 9 in the crack, rethread display instrument 4's effect shows concrete defect crack width numerical value, when the inside power 16 electric quantity of detection case 1 exhausts, can fix the position of guide block 12 through screwing up limiting screw 8, adopt the mode of people's eye recognition scale to carry out crack width detection.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Concrete defect measures crack width detection device, including detection case (1), its characterized in that: the top of detection case (1) is provided with activity detection head (9) and fixed detection head (10) respectively, bolt fixed connection is passed through with fixed detection head (10) in detection case (1), be provided with on the up end of detection case (1) and detect slide opening (6), the below fixed mounting of activity detection head (9) has connecting plate (11), and connecting plate (11) wears into the inside of detection case (1) through detecting slide opening (6), the below fixed mounting of connecting plate (11) has guide block (12), the below fixed mounting of guide block (12) has link (14), the inside fixed mounting of detection case (1) has displacement sensor (15), and the measurement rod end and link (14) fixed connection of displacement sensor (15), fixed mounting has display instrument (4) on the preceding terminal surface of detection case (1).

2. The concrete defect measuring crack width detecting device according to claim 1, characterized in that: the inside fixed mounting of detection case (1) has guide bar (13), and guide bar (13) run through guide block (12), be provided with on the preceding terminal surface of detection case (1) and restrict slide opening (7).

3. The concrete defect measuring crack width detection device of claim 2, characterized in that: the front end of the detection box (1) is provided with a limiting screw rod (8), the limiting screw rod (8) penetrates into the detection box (1) through a limiting sliding hole (7), and the limiting screw rod (8) is in threaded connection with a guide block (12).

4. The concrete defect measuring crack width detecting device according to claim 1, characterized in that: the utility model discloses a detection box, including detection case (1), detection case (10), first backup plate (18), first measuring end (17) and first backup plate (18), the activity is detected the head (9) and is become along the one side that detects slide opening (6) on the up end of detection case (1), the front end fixed mounting of first backup plate (18) has push pedal (19), fixed detection head (10) are become by second measuring end (20) and second backup plate (21).

5. The concrete defect measuring crack width detection device of claim 1, characterized in that: the lower part fixed mounting of detection case (1) has (2) of shaking hands, the outside of (2) of shaking hands is provided with rubber sleeve (3).

6. The concrete defect measuring crack width detecting device according to claim 1, characterized in that: the detection box is characterized in that a power supply (16) is arranged inside the detection box (1), and a bubble level meter (5) is fixedly mounted on the front end face of the detection box (1).