CN221802838U - A structural crack width testing device - Google Patents

Abstract

The utility model discloses a structural crack width testing device, which belongs to the technical field of measuring tools, and comprises an adjusting frame, a pulley and a test ruler. The pulley is arranged in the adjusting frame, and the rear end of the pulley is fixedly connected to a first motor. The pulley is placed by arranging the adjusting frame. When the crack width needs to be measured, the first motor can be used to work to merge two test rulers, and then the two test rulers are inserted into the crack, and then the first motor is used to drive the test rulers on both sides to move until the sensor outside the test ruler contacts the wall surface, and then the motor stops working, and then the sensors transmit the measured width to a display through the Bluetooth sensing distance. Compared with manual movement of the measuring device by the staff, it is more convenient and quick, and the measurement in the cracks of the walls at different angles can be more conveniently performed by rotating the measuring ruler on the adjusting rod.

Description

A structural crack width testing device

Technical Field

The utility model belongs to the technical field of measuring tools, and in particular relates to a structural crack width testing device.

Background Art

The width of cracks on the surface of concrete structures is an important indicator for evaluating their safety, applicability and durability. At present, the measurement of concrete crack width is mainly carried out on-site by surveyors using crack width measuring instruments. However, when using crack width measuring instruments to measure the width, it is easily affected by the weather and other environmental factors. When using traditional crack width measuring devices, the comparison card, ruler and other places cannot be parallel to the ground for measurement, and the measurement process is very inconvenient.

The utility model patent with patent application number CN202320119766.6 discloses a width test device for cracks in concrete structures, including a fixed frame for installation on the concrete structure, a starting sleeve and a ranging sleeve installed on the fixed frame, a scale with a starting section set on the starting sleeve, and a lifting rod unit set on the starting sleeve and the ranging sleeve and used to be inserted into the cracks of the concrete structure. During the test, the bracket is placed above the crack, and then the position of the sleeve is adjusted so that the positioning piece is inserted into the crack, and the width of the crack is read by the scale. The operation is simple and the reading is accurate. The positioning piece is installed on the lifting rod, which is convenient for inserting into the crack during measurement and improving the reading accuracy; the lifting rod is provided with a locking device to fix the positioning piece in the crack during measurement; the sleeve on the fixed frame is also provided with a locking device to fix the sleeve position for easy reading; the locking device is non-fixedly connected to the lifting rod, which is convenient for maintenance and disassembly.

With respect to the above-mentioned related technologies, the inventors have found that there are at least the following problems in the technology, for example: the measuring mechanism of the above-mentioned device requires manual adjustment by the staff, resulting in the staff having to repeatedly move and fix the adjustment sleeve when measuring a crack of different widths, which is not convenient enough, and the above-mentioned test equipment requires the staff to adjust the position height of the test equipment in real time when measuring cracks of different heights at the same position; for this purpose, we provide a structural crack width testing device, which will use a device that can automatically adjust the width of the test ruler and perform measurements, so that its staff can perform measurements more easily and conveniently, and at the same time use a device that can adjust the height of the measuring device, so that the staff can quickly measure different positions of the same crack without repeatedly moving the equipment, which is highly practical.

Utility Model Content

The purpose of the utility model is to provide a structural crack width testing device to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: including an adjustment frame, a pulley and a test ruler, a pulley is arranged in the adjustment frame, the number of pulleys is 2, and the rear end of the pulley is fixedly connected to the first motor, an adjustment rod is arranged at the front end of the pulley, a hinge seat is arranged at the front end of the adjustment rod, and the front end of the adjustment rod is connected to the test ruler, the test ruler is fixedly connected to the hinge seat and can rotate, and a sensor is fixedly installed on the outside of the test ruler, a groove is provided on the outside of the test ruler, the sensor is located in the groove, and the outside of the sensor and the outside of the test ruler keep a uniform horizontal line, and the sensors are connected by Bluetooth.

As a preferred embodiment, limit grooves are opened on both sides of the bottom of the adjustment frame, the length of the limit grooves is the same as the length of the adjustment frame, and the motor bracket is fixedly installed at the bottom of the first motor, the end of the motor bracket is embedded in the limit groove at the rear end, and can slide, and the adjustment rod bracket is fixedly installed at the bottom of the adjustment rod, and the adjustment rod bracket is embedded in the limit groove at the front end, and can also slide.

As a preferred embodiment, a device plate is arranged below the adjustment frame, and a second motor is installed at the bottom of the device plate. The upper end of the second motor is fixedly connected to the lifting rod, a thread is arranged on the outer side of the lifting rod, and a thread is arranged on the inner side of the adjustment frame to be threadedly connected with the lifting rod.

As a preferred embodiment, a battery is fixedly installed at the rear end of the device board, a charging interface is opened on the side of the battery, and a heat dissipation hole is opened at the rear of the battery, and the battery is rectangular.

As a preferred embodiment, a bracket is fixedly mounted on the upper end of the battery, and a console is fixedly mounted on the upper end of the bracket. The console is a main electrical device, and a Bluetooth chip is arranged inside the console, and the console is electrically connected to other electrical devices.

As a preferred embodiment, a connecting seat is fixedly installed at the bottom of the device plate, and a connecting rod is fixedly connected inside the connecting seat, and a universal wheel and a support base are respectively installed on the connecting rod, and the installation angle of the support base and the universal wheel is 90 degrees, and fixing holes are provided on the connecting seat, the universal wheel and the support base, and screws are inserted into the fixing holes overlapping with the connecting seat and the universal wheel or the support base, and a push rod is fixedly installed on the device plate.

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

1. The utility model sets an adjustment frame to place the pulley. When the crack width needs to be measured, the first motor can be used to merge the two test rulers, and then insert them into the crack. Then the first motor drives the test rulers on both sides to move until the sensor on the outside of the test ruler contacts the wall. Then the motor stops working, and then the sensors transmit the measured width to the display through the Bluetooth sensing distance. Compared with the manual movement of the measuring equipment by the staff, it is more convenient and faster, and the measuring ruler on the rotating adjustment rod can be used to more conveniently measure the cracks in the wall at different angles.

2. The utility model drives the lifting rod to rotate by setting a second motor at the bottom of the device plate. When the width of a crack is different at different positions, the lifting rod can be rotated to drive the outer threaded connection adjustment frame to perform threaded linkage, thereby driving the test ruler to move in height. This method can avoid the staff from repeatedly moving the fixed installation equipment when measuring different positions of the same crack, and has strong practicality.

3. The utility model drives the test equipment to move by arranging a push rod behind the device plate and a universal wheel at the bottom, making it easier and more convenient for the staff to carry the test equipment. When testing is needed, in order to improve stability, the screw in the overlapping fixing hole of the universal wheel and the connecting seat can be pulled out, and then the side support base can be moved to the ground by rotating the handle on the outside of the connecting rod to suspend the universal wheel, thereby improving the stability of the equipment and avoiding sliding during measurement.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the utility model;

FIG2 is a schematic side view of the cross-sectional structure of the utility model;

FIG3 is a schematic diagram of the back side of the three-dimensional structure of the utility model;

FIG. 4 is a perspective schematic diagram of the universal wheel structure of the utility model.

In the figure: 1. adjustment frame; 2. pulley; 3. first motor; 4. adjustment rod; 5. test ruler; 6. sensor; 7. limit slot; 8. motor bracket; 9. adjustment rod bracket; 10. lifting rod; 11. second motor; 12. installation plate; 13. battery; 14. bracket; 15. control console; 16. connecting seat; 17. connecting rod; 18. universal wheel; 19. support base; 20. fixing hole; 21. push rod.

DETAILED DESCRIPTION

The utility model is further described below in conjunction with embodiments.

The following examples are used to illustrate the present invention, but cannot be used to limit the scope of protection of the present invention. The conditions in the examples can be further adjusted according to specific conditions, and simple improvements to the method of the present invention under the premise of the concept of the present invention are all within the scope of protection claimed by the present invention.

Please refer to Figures 1-4. The utility model provides a structural crack width testing device, including an adjusting frame 1, a pulley 2 and a test ruler 5. The pulley 2 is arranged in the adjusting frame 1, the number of the pulleys 2 is 2, and the rear end of the pulley 2 is fixedly connected to the first motor 3, the front end of the pulley 2 is arranged with an adjusting rod 4, the front section of the adjusting rod 4 is arranged with a hinge seat, and the front end of the adjusting rod 4 is connected to the test ruler 5, the test ruler 5 is fixedly connected to the hinge seat and can rotate, and a sensor 6 is fixedly installed on the outside of the test ruler 5, a groove is provided on the outside of the test ruler 5, the sensor 6 is located in the groove, and the outside of the sensor 6 and the outside of the test ruler 5 maintain a uniform horizontal line, and the sensors 6 are connected by Bluetooth.

By adopting the above technical solution: using an adjustment frame 1 to place the pulley 2, when it is necessary to measure the crack width, the first motor 3 can be used to work to merge the two test rulers 5, and then insert it into the crack, and then the first motor 3 drives the test rulers 5 on both sides to move, until the sensor 6 on the outside of the test ruler 5 contacts the wall, the first motor 3 will stop working, and then the sensors 6 will transmit the measured width to the display through the Bluetooth sensing distance. Compared with the manual movement of the measuring equipment by the staff, it is more convenient and faster, and the test ruler 5 on the rotating adjustment rod 4 can be used to more conveniently measure cracks in walls at different angles.

In this embodiment, limiting grooves 7 are provided on both sides of the bottom of the adjustment frame 1, and a motor bracket 8 is fixedly installed on the bottom of the first motor 3, and an adjustment rod bracket 9 is fixedly installed on the bottom of the adjustment rod 4;

Specifically, the length of the limiting groove 7 is the same as that of the adjusting frame 1, the end of the motor bracket 8 is embedded in the limiting groove 7 at the rear end and can slide, and the adjusting rod bracket 9 is embedded in the limiting groove 7 at the front end and can also slide.

Through this design, when the pulley 2 drives the adjusting rod 4 and the first motor 3 to move, the motor bracket 8 and the adjusting rod bracket 9 can be used to stabilize them to avoid shaking problems;

In this embodiment, a device plate 12 is disposed below the adjustment frame 1, and a second motor 11 is installed at the bottom of the device plate 12, and the upper end of the second motor 11 is fixedly connected to the lifting rod 10;

Specifically, the outer side of the lifting rod 10 is provided with a thread, and the inner side of the adjusting frame 1 is provided with a thread to be threadedly sleeved with the lifting rod 10;

Through this design, when the crack widths at different positions of a certain crack are different, the lifting rod 10 can be rotated to drive the outer threaded connection adjustment frame 1 to perform threaded linkage, thereby driving the test ruler 5 to move in height. This method can avoid the staff from repeatedly moving the fixed installation equipment when measuring different positions of the same crack, and is highly practical.

In this embodiment, a battery 13 is fixedly installed at the rear end of the device plate 12, and the battery 13 is rectangular;

Specifically, a charging port is provided on the side of the battery 13, and a heat dissipation hole is provided on the rear of the battery 13;

Through this design, the battery 13 can provide power for the entire test equipment, so that the test equipment does not need to be plugged in when working, which can be more flexible.

In this embodiment, a bracket 14 is fixedly mounted on the upper end of the battery 13, and a console 15 is fixedly mounted on the upper end of the bracket 14;

Specifically, the console 15 is a main electrical device, a Bluetooth chip is provided inside the console 15, and the console 15 is electrically connected to other electrical devices;

Through this design, the staff can drive the first motor 3 or the second motor 11 to work through the control console 15, and the measurement results can be effectively displayed on the display of the control console 15, making the staff's measurement work more convenient.

In this embodiment, a connecting seat 16 is fixedly installed at the bottom of the device plate 12, and a connecting rod 17 is fixedly connected inside the connecting seat 16, and a universal wheel 18 and a supporting base 19 are respectively installed on the connecting rod 17, and fixing holes 20 are provided on the connecting seat 16, the universal wheel 18 and the supporting base 19, and a push rod 21 is fixedly installed on the device plate 12;

Specifically, the installation angle between the support base 19 and the universal wheel 18 is 90 degrees, and a screw is inserted into the fixing hole 20 where the connecting seat 16 overlaps with the universal wheel 18 or the support base 19;

Through this design, the push rod 21 at the rear of the device plate 12 and the universal wheel 18 at the bottom drive the test equipment to move, making it easier and more convenient for the staff to carry the test equipment. When testing is needed, in order to improve stability, the screw in the fixing hole 20 that overlaps the universal wheel 18 and the connecting seat 16 can be pulled out, and then the side support base 19 can be moved to the ground by rotating the handle on the outside of the connecting rod 17 to suspend the universal wheel 18, thereby improving the stability of the equipment and avoiding slipping during measurement.

The working principle and use process of the utility model are as follows: first, an adjustment frame 1 is used to place a pulley 2. When it is necessary to measure the width of a crack, the first motor 3 can be used to work to merge the two test rulers 5, and then insert them into the crack. Then, the first motor 3 drives the test rulers 5 on both sides to move until the sensor 6 on the outside of the test ruler 5 contacts the wall. Then the first motor 3 stops working, and then the distance between the sensors 6 is sensed by Bluetooth to transmit the measured width to the display. Compared with manual movement of the measuring equipment by the staff, it is more convenient and faster, and the test ruler 5 on the rotating adjustment rod 4 can be used to more conveniently measure cracks in walls at different angles. When the widths of cracks at different positions of a crack are different, The rotation of the lifting rod 10 drives the outer threaded connection adjustment frame 1 to be threadedly linked, thereby driving the test ruler 5 to move in height. This method can avoid the staff from repeatedly moving the fixed installation equipment when measuring different positions of the same crack. It is highly practical, and the push rod 21 behind the device plate 12 and the universal wheel 18 at the bottom drive the test equipment to move, making it easier and more convenient for the staff to carry the test equipment. When testing is needed, in order to improve stability, the screw in the fixing hole 20 that overlaps the universal wheel 18 and the connecting seat 16 can be pulled out, and then the side support base 19 can be moved to the ground by rotating the handle on the outside of the connecting rod 17 to suspend the universal wheel 18, thereby improving the stability of the equipment and avoiding sliding during measurement.

Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a crack width test equipment of structure which characterized in that: including alignment jig (1), pulley (2) and test chi (5), set up pulley (2) in alignment jig (1), and pulley (2) rear end fixed connection first motor (3), pulley (2) front end sets up adjusts pole (4), and adjusts pole (4) front end connection test chi (5) to test chi (5) outside fixed mounting inductor (6).

2. A structural crack width testing apparatus according to claim 1, wherein: limiting grooves (7) are formed in two sides of the bottom of the adjusting frame (1), a motor support (8) is fixedly installed at the bottom of the first motor (3), and an adjusting rod support (9) is fixedly installed at the bottom of the adjusting rod (4).

3. A structural crack width testing apparatus according to claim 1, wherein: an installation plate (12) is arranged below the adjusting frame (1), a second motor (11) is installed at the bottom of the installation plate (12), and the upper end of the second motor (11) is fixedly connected with a lifting rod (10).

4. A structural crack width testing apparatus according to claim 3, wherein: the storage battery (13) is fixedly arranged at the rear end of the device plate (12), and the storage battery (13) is rectangular.

5. A structural crack width testing apparatus according to claim 4, wherein: the upper end of the storage battery (13) is fixedly provided with a bracket (14), and the upper end of the bracket (14) is fixedly provided with a control console (15).

6. A structural crack width testing apparatus according to claim 3, wherein: the device comprises a device plate (12), a connecting seat (16) is fixedly installed at the bottom of the device plate (12), a connecting rod (17) is fixedly connected in the connecting seat (16), universal wheels (18) and a supporting base (19) are respectively installed on the connecting rod (17), fixing holes (20) are formed in the connecting seat (16), the universal wheels (18) and the supporting base (19), and a push rod (21) is fixedly installed on the device plate (12).