CN212227967U - A handheld building wall flatness self-checking device - Google Patents

Abstract

The utility model provides a hand-held building wall flatness self-checking device, comprising a hand-held handle and a base plate laterally arranged on the top of the hand-held handle, wherein: the two ends of the base plate are respectively longitudinally arranged with main rulers; The main backrest is retractably provided with a secondary backrest; the base plate is provided with a slide rail along its length direction, the slide rail is provided with a slide table, and the slide table is longitudinally provided with an infrared ranging sensor. The hand-held building wall flatness self-checking device of the utility model has the advantages of novel structure design, simple operation, accurate and rapid measurement of wall flatness data, automatic recording and storage, which greatly improves the accuracy of wall flatness detection. degree and detection efficiency.

Description

A handheld building wall flatness self-checking device

technical field

The utility model relates to the field of building wall quality detection, in particular to a hand-held building wall flatness self-checking device.

Background technique

With the continuous development of the construction industry and the increasingly high quality requirements of the owners, the construction industry must improve its own construction level to meet the needs of the company's development. In order to ensure the ultimate goal of constructing high-quality and efficient high-quality projects, the actual measurement system has gradually received attention as a control and inspection method that can reflect the real construction quality and situation on the site, and the corresponding operation and data requirements have been gradually refined in practice. ,Complete.

The flatness of the plastering of the building wall affects the function and appearance of the building. According to the requirements of the national building plastering and decoration engineering construction quality acceptance specification, the construction personnel need to check the quality of the wall plastering project. The allowable deviation of surface flatness is 4mm. The traditional inspection method for surface flatness is to use a 2m ruler and a feeler gauge. The detection of wall flatness usually requires at least two people to work together, and one of them puts the 2m ruler against the wall. , Another person visually inspects the gap between the ruler and the wall from the side, inserts the feeler gauge into the gap, and quantitatively evaluates the flatness of the wall through the depth of the feeler gauge. This measurement method not only consumes labor, but also has low measurement efficiency and cannot guarantee the accuracy of measurement results.

Utility model content

The technical problem to be solved by the utility model is: aiming at the defects of the prior art, a handheld building wall flatness self-checking device is provided.

The utility model adopts the following technical solutions for solving the above-mentioned technical problems:

The utility model provides a hand-held building wall flatness self-checking device, comprising a hand-held handle and a base plate laterally arranged on the top of the hand-held handle, wherein: the two ends of the base plate are respectively longitudinally arranged with main rulers; The main backing ruler is retractably arranged with a secondary backing ruler; the base plate is provided with a slide rail along its length direction, a slide table is provided on the slide rail, and an infrared distance measuring sensor is longitudinally installed on the slide table .

Further, on the hand-held building wall flatness self-checking device, the lower end of the hand-held handle is provided with an anti-skid cover, an LED display screen, a control switch and a button.

Further, on the hand-held building wall flatness self-checking device, a lithium-ion battery and a control circuit board are installed in the lower end of the hand-held handle, and the control circuit board is respectively connected with the lithium-ion battery and the LED display. The screen, control switch, button, and infrared ranging sensor are electrically connected.

Further, on the hand-held building wall flatness self-checking device, the auxiliary ruler can be adjusted and embedded in the main ruler through the first locking bolt, and the auxiliary ruler and all The scales are provided on the surface of the main ruler.

Further, on the hand-held building wall flatness self-checking device, the top of the handle is provided with a connecting rod, and the top of the connecting rod is hingedly connected to the front surface of the base plate.

Further preferably, on the hand-held building wall flatness self-checking device, a telescopic rod is provided on the connecting rod, and the top end of the telescopic rod is hingedly connected to the bottom surface of the base plate.

Further preferably, on the hand-held building wall flatness self-checking device, the telescopic rod is composed of a fixed rod and a telescopic rod, and the telescopic rod can be adjusted and fixed on the fixed rod through a second locking bolt. inside the rod.

Further, on the hand-held building wall flatness self-checking device, one end of the base plate is provided with a servo motor, and the servo motor is drivingly connected to the sliding table.

Further, on the hand-held building wall flatness self-checking device, at least one circular level is laterally arranged on the front surface of the base plate.

Further, on the hand-held building wall flatness self-checking device, a plurality of proximity switches are arranged on the base plate at intervals along its length direction, and the proximity switches are electrically connected to the control circuit board.

The utility model adopts the above technical solutions, compared with the prior art, has the following technical effects:

The utility model provides a hand-held building wall flatness self-checking device.

(1) Through the slide rail, slide table, infrared distance measuring sensor set on the base plate, and the control circuit board and LED display screen on the handle, it is convenient for the inspectors to continuously and intuitively detect the flatness of different positions on the wall. improve the detection accuracy and detection efficiency;

(2) The angle between the base plate and the connecting rod can be adjusted through the telescopic rod, so that the rulers at both ends of the base plate can be closely attached to the wall for flatness detection;

(3) The setting of the non-slip sleeve, control switch, button and LED display on the handle is convenient for the inspection personnel to carry and operate, and the inspection results are intuitive, which greatly improves the work efficiency;

(4) The flatness self-checking device has a novel structure design, is easy to operate, can accurately and quickly measure the wall flatness data, and can automatically record and store, and is very convenient to operate and use.

Description of drawings

1 is a schematic diagram of the overall structure of a handheld building wall flatness self-checking device of the present invention;

Fig. 2 is the side view structure schematic diagram of a kind of hand-held building wall flatness self-checking device of the present invention;

3 is a schematic diagram of the assembly structure of the main backing ruler and the auxiliary backing ruler on a hand-held building wall flatness self-checking device of the present invention;

FIG. 4 is a partial enlarged structural schematic diagram of the end of the upper substrate of a hand-held building wall flatness self-checking device of the present invention;

Fig. 5 is a partial enlarged structural schematic diagram of the middle part of the upper substrate of a hand-held building wall flatness self-checking device of the present invention;

FIG. 6 is a partial enlarged structural schematic diagram of a hand-held handle on a hand-held building wall flatness self-checking device of the present invention;

Among them, each reference sign is:

1-Hand handle, 2-Anti-slip sleeve, 3-LED display screen, 4-Connecting rod, 5-Base plate, 6-Main ruler, 7-Auxiliary ruler, 8-First locking bolt, 9-Slide rail, 10-Sliding table, 11-Infrared distance sensor, 12-Anti-skid pad, 13-Servo motor, 14-Circular level, 15-Proximity switch, 16-Telescopic rod, 17-Second locking bolt, 18-Scale, 19-Control switch, 20-Key.

Detailed ways

The technical solutions of the present utility model will be further described in detail below with reference to the accompanying drawings.

Please refer to FIG. 1, FIG. 2 and FIG. 3. This embodiment provides a hand-held building wall flatness self-checking device, including a hand-held handle 1 and a substrate 5 laterally arranged on the top of the hand-held handle 1, wherein: The two ends of the base plate 5 are respectively longitudinally provided with a main support ruler 6, and each of the main support rulers 6 is telescopically provided with a secondary support ruler 7; the base plate 5 is provided with a slide rail 9 along its length direction. The slide rail 9 is provided with a slide table 10 , and an infrared ranging sensor 11 is longitudinally mounted on the slide table 10 . When in use, the hand-held building wall flatness self-checking device is leaned against the wall to be measured through the main ruler 6 or the auxiliary ruler 7 at both ends, and the infrared ranging sensor 11 is opposite to the wall to be measured. Arrangement, accurately measure the distance from the wall surface through the infrared distance measuring sensor 11, and then move along the slide rail through the sliding table 10 to accurately measure the distance between the infrared distance measuring sensor 11 and the wall surface at different sliding positions, and measure the distance between the infrared distance measuring sensor 11 and the wall surface. The obtained data is counted, and compared and analyzed with the actual distance measured by the infrared ranging sensor 11 at both ends of the slide rail to accurately measure the wall flatness data.

In this embodiment, please continue to refer to FIG. 1 and FIG. 6 , the lower end of the handle 1 is provided with a non-slip cover 2 , an LED display 3 , a control switch 19 and a button 20 . The lower end of the handle 1 is equipped with a lithium ion battery and a control circuit board, and the control circuit board is respectively electrically connected to the lithium ion battery, the LED display screen 3 , the control switch 19 , the button 20 and the infrared ranging sensor 11 . The distance parameter data detected by the infrared distance measuring sensor 11 is transmitted to the control circuit board through wires, and is displayed on the LED display screen 3 after comparative analysis and processing between the control circuit board and the measured actual distance, as shown in FIG. 5 . Shown at different detection points on the slide rail 9, the measured wall flatness errors are -0.25mm, -1.54mm and +2.32mm, indicating that the wall is 2.5mm inward and 1.54mm inward at different wall detection points. mm, protruding 2.32mm outwards, so that the inspectors can know the flatness of the wall in real time.

In this embodiment, please refer to FIG. 1 , FIG. 2 and FIG. 4 , the auxiliary rest ruler 7 is adjustable and embedded in the main rest ruler 6 through the first locking bolt 8 , and the first lock The tightening bolts 8 are threadedly fixed in the threaded holes on the main backrest ruler 6 ; and the surfaces of the auxiliary backrest ruler 7 and the main backrest ruler 6 are provided with scales 18 . When in use, the length of the auxiliary ruler 7 extending from the main ruler 6 can be adjusted through the first locking bolt 8, and the extension length of the auxiliary ruler 7 at both ends of the base plate 5 can be adjusted to be the same through the scale 18. According to the need, adjust the auxiliary ruler 7 to select different actual distances between the infrared ranging sensor 11 and the wall, and then measure the flatness of the wall at different actual distances through the infrared ranging sensor 11 . In order to improve the accuracy of the measurement of the flatness of the wall, the distance between the main ruler 6 and/or the auxiliary ruler 7 is required to be 5-15cm from the wall, that is, the distance between the infrared ranging sensor 11 and the wall is required to be 5-15 cm. The actual spacing is 5-15cm. In addition, in order to ensure the stability of the self-checking device during the measurement process and prevent the sliding of the self-checking device from affecting the measurement accuracy, anti-skid pads 12 are provided on the end surfaces of the auxiliary backrest 7 and the main backrest 6. The sliding pad 12 Made of rubber material, the surface is provided with anti-slip patterns.

In this embodiment, please refer to FIG. 2 , the top of the handle 1 is provided with a connecting rod 4 , and the top of the connecting rod 4 is hingedly connected to the front surface of the base plate 5 . The connecting rod 4 is provided with a telescopic rod 16, and the top end of the telescopic rod 16 is hingedly connected with the bottom surface of the base plate 5. Specifically, the telescopic rod 16 is composed of a fixed rod and a telescopic rod, the telescopic rod can be adjusted and fixed in the fixed rod by a second locking bolt 17, and the second locking bolt 17 is threadedly fixed on the in the threaded hole on the rod. When the position of the wall to be detected is relatively high, the length of the telescopic rod 16 can be shortened by the second locking bolt 17, so that the connecting rod 4 tends to be set vertically, and the handle 1 is held against the higher wall. The flatness is detected, and the connecting rod 4 can also be set in a telescopic structure as required.

In this embodiment, please refer to FIG. 1 , one end of the base plate 5 is provided with a servo motor 13 , the servo motor 13 is drivingly connected to the sliding table 10 , and the servo motor 13 is respectively connected with the control circuit The board is connected to a lithium-ion battery, which is a rechargeable battery for powering the servo motor 13 or other functional units. The servo motor 13 drives the sliding table 10 and the infrared distance measuring sensor 11 on it to move left and right under the control of the control circuit board.

In this embodiment, please refer to FIG. 1 and FIG. 4 , at least one circular level 14 is laterally disposed on the front surface of the substrate 5 . Specifically, two circular levels 14 are respectively provided at both ends of the base plate 5 , and the circular levels 14 are horizontally arranged along the length direction of the base plate 5 for calibrating the base plate 5 when it is in use. on the wall.

In this embodiment, please refer to FIG. 1 and FIG. 5 , a plurality of proximity switches 15 are arranged on the substrate 5 at intervals along its length direction, and the proximity switches 15 are electrically connected to the control circuit board. The proximity switches 15 are arranged equidistantly and are located on one side of the sliding rail, and are used for monitoring the sliding table 10. When the sliding table 10 slides left and right to approach each of the proximity switches 15 under the driving of the driving motor 13 , the control circuit board controls the driving motor 13 to stop, and starts the infrared distance measuring sensor on the sliding table 10 11. Measure the distance of the wall at this position, and detect the flatness of the wall. In addition, a storage unit is also provided in the handle 1 for storing and backing up the detected data.

The working principle of the handheld building wall flatness self-checking device provided in this embodiment is as follows:

When in use, the inspector adjusts the length of the main ruler 6 and/or the auxiliary ruler 7 in advance, determines the appropriate detection distance, that is, the actual distance, starts the power supply through the key switch 19, and inputs the determined value through the corresponding key 20. Described actual spacing is used as the reference value of data processing; Then hold the handle 1 and lean on the substrate 5 on the wall through the ruler at both ends, and adjust the substrate 5 according to the circular level 13 to make it horizontally lean on the wall; Start the servo motor 13 through the corresponding button 20 to drive the sliding table 10 and the infrared distance measuring sensor 11 on it to move left and right; when the sliding table 10 moves to the corresponding proximity switch 15, the control circuit board controls the infrared sensor The distance sensor 11 measures the distance, and the measured data is processed by the control circuit board and displayed on the LED display screen 3 in real time.

The specific embodiments of the present invention have been described in detail above, but they are only used as examples, and the present invention is not limited to the specific embodiments described above. For those skilled in the art, any equivalent modifications and substitutions made to this utility are also within the scope of the present utility model. Therefore, all equivalent changes and modifications made without departing from the spirit and scope of the present invention should be included within the scope of the present invention.

Claims (10)

1. A hand-held building wall flatness self-checking device, characterized in that it comprises a hand-held handle (1) and a base plate (5) laterally arranged on the top of the hand-held handle (1), wherein: the base plate (5) ) longitudinally provided with a main backing ruler (6) at both ends, each of the main backing rulers (6) is telescopically provided with an auxiliary backing ruler (7); the base plate (5) is provided with a slide along its length direction. A rail (9) is provided on the sliding rail (9) with a sliding table (10), and an infrared ranging sensor (11) is longitudinally installed on the sliding table (10). 2. The hand-held building wall flatness self-checking device according to claim 1, wherein the lower end of the hand-held handle (1) is provided with a non-slip sleeve (2), an LED display screen (3), a control switch (19) and button (20). 3. The hand-held building wall flatness self-checking device according to claim 1, characterized in that, a lithium ion battery and a control circuit board are installed in the lower end of the hand-held handle (1), and the control circuit board is respectively connected with the control circuit board. The lithium ion battery, the LED display screen (3), the control switch (19), the key (20) and the infrared ranging sensor (11) are electrically connected. 4 . The hand-held building wall flatness self-checking device according to claim 1 , wherein the auxiliary ruler ( 7 ) is adjustable and embedded in the main support through a first locking bolt ( 8 ). 5 . Inside the ruler (6), and scales (18) are provided on the surfaces of the auxiliary ruler (7) and the main ruler (6). 5. The hand-held building wall flatness self-checking device according to claim 1, wherein a connecting rod (4) is provided at the top of the hand-held handle (1), and the top of the connecting rod (4) is provided with a connecting rod (4). It is hingedly connected with the front surface of the base plate (5). 6. The hand-held building wall flatness self-checking device according to claim 5, wherein a telescopic rod (16) is provided on the connecting rod (4), and the top end of the telescopic rod (16) is connected to the The bottom surfaces of the base plates (5) are hingedly connected. 7. The hand-held building wall flatness self-checking device according to claim 6, wherein the telescopic rod (16) is composed of a fixed rod and a telescopic rod, and the telescopic rod passes through the second locking bolt (16). 17) Adjustable and fixed in the fixing rod. 8 . The hand-held building wall flatness self-checking device according to claim 1 , wherein a servo motor ( 13 ) is provided at one end of the base plate ( 5 ), and the servo motor ( 13 ) is driven to connect the The sliding table (10) is described. 9 . The hand-held building wall flatness self-checking device according to claim 1 , wherein at least one circular level ( 14 ) is laterally arranged on the front surface of the base plate ( 5 ). 10 . 10. The hand-held building wall flatness self-checking device according to claim 1, wherein a plurality of proximity switches (15) are arranged on the base plate (5) at intervals along its length direction, and the proximity switches ( 15) Electrical connection with the control circuit board.

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