Building board surface flatness detection device and method

Abstract

The invention relates to the technical field of building board detection, and discloses a building board surface flatness detection device and method.The device comprises a bottom plate, a board body and a laser measuring instrument, and further comprises an upper plate fixedly connected to the upper portion of one side of the front face of a back plate, a measuring assembly is arranged at the bottom of the upper plate; the positioning assembly is arranged in the middle of the top of the bottom plate; the measuring assembly comprises mounting plates which are symmetrically arranged, a motor is fixedly mounted on the inner side of one mounting plate, the output end of the motor is fixedly connected with a threaded rod, and the outer side of the threaded rod is in threaded connection with a mounting seat; and the positioning assembly comprises a double-end screw rod which is slotted and rotationally mounted in the bottom plate, so that the problem that the measurement precision of subsequent laser detection flatness is possibly influenced and the flatness detection result is inaccurate due to the fact that dust and impurities on the surface of the building board are not cleaned in time is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of building board detection, and in particular to a device and method for detecting the surface flatness of a building board. Background Art

[0002] The board is a flat rectangular building material board of standard size, which is used in the construction industry as a component of walls, ceilings or floors. The surface flatness of the board is one of the important indicators of the quality of the building board. The surface of the building board may be contaminated with some dust and impurities. If these impurities are not cleaned in time before detection, it may affect the accuracy of the subsequent laser flatness detection, reduce the laser detection effect, and bring inconvenience to subsequent use.

[0003] For example, a furniture board surface flatness detection device with announcement number CN209181743U includes a base, a first support plate is fixedly installed on the top of the base, a second support plate is fixedly installed on one side of the first support plate, a motor is fixedly installed on the top of the second support plate, a small pulley is fixedly provided on the output shaft of the motor, a threaded rod is rotatably installed on the first support plate, a large pulley is fixedly provided on the threaded rod, and a belt is wound between the large pulley and the small pulley, a slider is installed on the threaded rod, a third support plate is fixedly installed on the bottom of the slider, a hydraulic cylinder is fixedly installed on the bottom of the third support plate, and a fourth support plate is fixedly installed on the output shaft of the hydraulic cylinder. The flatness detection accuracy of the board is high, thereby improving the quality of the furniture. However, during the storage process, the surface of the building board may be contaminated with some dust and impurities. If these dust and impurities are not cleaned in time, it may affect the measurement accuracy of the subsequent laser flatness detection, resulting in inaccurate flatness detection results and reduced use effect.

[0004] Therefore, a device and method for detecting the surface flatness of a building board are proposed to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a device and method for detecting the surface flatness of building boards, so as to solve the problem that if dust and impurities on the surface of building boards are not cleaned in time, the measurement accuracy of subsequent laser flatness detection may be affected, resulting in inaccurate flatness detection results.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for detecting the surface flatness of a building board, comprising a bottom plate, a board body and a laser measuring instrument, wherein a back plate is fixedly connected to one side of the top back of the bottom plate, a top plate is fixedly connected to the top of the back plate, and a support column is symmetrically fixedly connected to one side of the top front of the bottom plate;

[0007] Also includes:

[0008] An upper plate, fixedly connected to an upper portion of a front side of the back plate, a measuring assembly being arranged at the bottom of the upper plate;

[0009] A positioning assembly is arranged in the middle of the top of the bottom plate;

[0010] The measuring assembly comprises symmetrically arranged mounting plates, a motor is fixedly mounted on the inner side of one of the mounting plates, a threaded rod is fixedly connected to the output end of the motor, a mounting seat is threadedly connected to the outer side of the threaded rod, a top block is fixedly connected to the top of the mounting seat, and the top block is slidably mounted on the upper plate;

[0011] An electric push rod is fixedly installed at the bottom of the mounting seat, a mounting block is fixedly connected to the bottom end of the telescopic part of the electric push rod, the laser measuring instrument is fixedly installed at the bottom of the mounting block, a connecting block is fixedly connected to one side of the mounting block, a mounting bearing is fixedly installed at one end of the connecting block away from the mounting block, a rotating shaft is rotatably connected inside the mounting bearing, and a strip plate is rotatably installed on the top of the rotating shaft;

[0012] The upper outer portion of the rotating shaft is fixedly connected with a central gear, the bottom of the strip plate is symmetrically connected with a side shaft, the upper outer portion of the side shaft is fixedly connected with a side gear, the two side gears are meshed and connected with the central gear, and the bottom of the rotating shaft and the two side shafts are fixedly installed with a brush plate;

[0013] A toothed plate is fixedly connected to the middle of one side of the front side of the back plate, the side gear on the back side is meshed and connected with the toothed plate, a scraper is fixedly installed below the bottom of the mounting block, and tightening bolts are symmetrically installed on the outer side of the mounting block;

[0014] The positioning assembly includes a double-headed screw that is slotted and rotatably mounted inside the bottom plate, one end of the double-headed screw passes through the bottom plate and is fixedly connected to a rotating block, an adjusting sleeve is symmetrically sleeved on the outer side of the double-headed screw, a fixed block is fixedly connected to the top of the adjusting sleeve, and a moving plate is fixedly connected to the top of the fixed block;

[0015] A push plate is fixedly installed on one side of the movable plate, a positioning rod is slidably installed inside the push plate, one end of the positioning rod is connected to the positioning plate, a contact plate is also fixedly connected to the top of the bottom plate, and a pressure plate is installed on one side of the back plate.

[0016] Preferably, the upper plate is located below the top plate, the threaded rod is rotatably connected to another mounting plate, a top groove is provided at the bottom of the upper plate, and the top block is slidably connected to the top groove.

[0017] By adopting the above technical solution, the top block slides in the top groove to limit the mounting seat.

[0018] Preferably, the electric push rods are symmetrically arranged, there are no less than two electric push rods, the strip plate is located above the mounting bearing, and the two side gears are respectively located on the front and rear sides of the central gear.

[0019] By adopting the above technical solution, the electric push rod can be telescopically adjusted to adjust the height of the mounting block, thereby adjusting the measuring height of the laser measuring instrument to a suitable position, and the mounting bearing drives the strip plate and the side gear to move, and the side gear on one side is engaged with the toothed plate, so that the side gear on one side will also rotate when moving.

[0020] Preferably, the diameter of the central gear is smaller than the diameter of the side gears, and a sliding rod is symmetrically slidably connected inside the mounting block, and the bottom end of the sliding rod is fixedly connected to the scraper.

[0021] By adopting the above technical solution, the rotating shaft and the side shaft respectively drive the brush discs to rotate, so that the three brush discs completely clean the top surface of the plate body, and the scraper scrapes off the remaining debris on the surface of the plate body after cleaning.

[0022] Preferably, the clamping bolt is threadedly connected to the mounting block, the clamping bolt abuts against the sliding rod, a fixing rod is fixedly connected to a side of the strip plate close to the mounting block, and the strip plate is fixedly connected to the mounting block via the fixing rod.

[0023] By adopting the above technical solution, the height of the fixing rod is adjusted by loosening the tightening bolt, and the fixing rod drives the sliding rod and the scraper to adjust, so that the scraper can be adjusted separately. After adjustment, the tightening bolt is tightened to fix it.

[0024] Preferably, the adjustment sleeve is threadedly connected to the double-headed screw, the top of the base plate is symmetrically provided with sliding grooves, the fixed block is slidably connected to the sliding grooves, the side of the movable plate close to the pushing plate is fixedly connected with a lower rod, and the movable plate is fixedly connected to the pushing plate through the lower rod.

[0025] By adopting the above technical solution, the rotating block is turned, the rotating block drives the double-headed screw to rotate, the double-headed screw drives the two adjustment sleeves to approach each other, and the adjustment sleeve drives the fixed block to move, so that the positioning plates on both sides are close to each other.

[0026] Preferably, the pushing plate is located between the moving plate and the positioning plate, a spring 1 is sleeved on the outer side of the positioning rod, the spring 1 is slidably connected to the positioning rod, and the two ends of the spring 1 are fixedly connected to the positioning plate and the pushing plate respectively.

[0027] By adopting the above technical solution, the fixed block drives the moving plate to move, the moving plate drives the pushing plate to move through the lower rod, and the pushing plate drives the positioning plate to move through the spring.

[0028] Preferably, a circular hole is opened on the movable plate, the positioning rod is slidably connected to the circular hole, the pressure plate is located below the front side of the back plate, one side of the pressure plate is symmetrically fixedly connected with a spring 2, and the end of the spring 2 away from the pressure plate is fixedly connected to the back plate.

[0029] By adopting the above technical solution, the plate body is placed on the top of the bottom plate, the back side of the plate body pushes the pressure plate, the pressure plate compresses spring 2, and then the plate body is released. The elastic force of spring 2 drives the pressure plate and the plate body to move, so that the plate body is initially fixed between the pressure plate and the abutment plate.

[0030] A method for using a building board surface flatness detection device, the steps are as follows:

[0031] Step 1: Place the sheet body on top of the bottom plate, push the pressure plate with the back side of the sheet body, the pressure plate compresses the second spring, and then release the sheet body. The elastic force of the second spring drives the pressure plate and the sheet body to move, so that the sheet body is initially fixed between the pressure plate and the abutment plate. Then, turn the rotating block, the rotating block drives the double-headed screw to rotate, the double-headed screw drives the two adjustment sleeves to approach each other, the adjustment sleeve drives the fixed block to move, and the fixed block slides inside the slide groove;

[0032] Step 2: The fixed block drives the moving plate to move, and the moving plate drives the pushing plate to move through the lower rod, and the pushing plate drives the positioning plate to move through the spring 1, so that the positioning plates on both sides are close to each other, and the positioning plates are first close to the two sides of the plate body, and then the positioning plates are squeezed by the plate body, which will drive the positioning rod to move, and the positioning rod slides into the pushing plate, and the positioning plate will compress the spring 1 until the spring 1 is compressed to the limit. At this time, the two positioning plates clamp the two sides of the plate body and keep the plate body in the middle of the bottom plate, which is convenient for subsequent measurement operations;

[0033] Step 3: Start the motor, the motor drives the threaded rod to rotate, and the top block slides in the top groove to limit the mounting seat, so that the mounting seat drives the electric push rod and the mounting block to move horizontally. The electric push rod can be telescopically adjusted to adjust the height of the mounting block, thereby adjusting the measuring height of the laser measuring instrument to a suitable position;

[0034] Step 4: The movement of the mounting block will also drive the connection block and the mounting bearing to move. The mounting bearing will drive the strip plate and the side gear to move. The side gear on one side meshes with the toothed plate, so that the side gear on one side will also rotate when it moves. The side gear on one side drives the central gear and the side gear on the other side to rotate, thereby causing the two side shafts and the rotating shaft to rotate. The rotating shaft and the side shaft then drive the brush discs to rotate respectively, so that the three brush discs completely clean the top surface of the plate body. After cleaning, the scraper scrapes off the debris remaining on the surface of the plate body, and then the laser measuring instrument performs distance measurement detection.

[0035] Compared with the prior art, the invention has the following beneficial effects: a positioning assembly is provided, the mounting seat can drive the electric push rod and the mounting block to move horizontally, and the three brush discs can completely clean the top surface of the plate body, and the scraper can scrape the remaining debris on the surface of the plate body after cleaning, thereby reducing the influence of dust and other debris on the surface of the plate body and improving the detection accuracy;

[0036] 1. A positioning component is provided. By placing the plate body on the top of the bottom plate and fixing it, the motor is started, the motor drives the threaded rod to rotate, and the top block slides in the top groove to limit the mounting seat, so that the mounting seat drives the electric push rod and the mounting block to move horizontally. The electric push rod can adjust the height of the mounting block by telescopic adjustment, and then adjust the measuring height of the laser measuring instrument to a suitable position. The movement of the mounting block drives the connecting block and the mounting bearing to move, and the mounting bearing drives the strip plate and the side gear to move. The side gear on one side is engaged with the tooth plate, so that the side gear on one side will also rotate when it moves, and the side gear on one side drives the center gear and The side gear on the other side rotates, so that the two side shafts and the rotating shaft rotate, and the rotating shaft and the side shaft respectively drive the brush discs to rotate, so that the three brush discs completely clean the top surface of the plate body. After cleaning, the scraper scrapes off the remaining debris on the surface of the plate body, and then the laser measuring instrument performs distance measurement detection to judge the flatness of the surface of the plate body, reducing the influence of dust and other debris on the surface of the plate body, improving the detection accuracy, and solving the problem that the failure to clean the dust and impurities on the surface of the building board in time may affect the measurement accuracy of the subsequent laser flatness detection, resulting in inaccurate flatness detection results;

[0037] 2. A measuring component is provided. When the plate body is placed, the plate body is placed on the top of the bottom plate, and the back side of the plate body pushes the pressure plate, the pressure plate compresses the spring two, and then the plate body is released. The elastic force of the spring two drives the pressure plate and the plate body to move, so that the plate body is initially fixed between the pressure plate and the abutment plate, and then the rotating block is twisted, and the rotating block drives the double-headed screw to rotate, and the double-headed screw drives the two adjusting sleeves to approach each other, and the adjusting sleeve drives the fixed block to move, and the fixed block slides inside the slide groove, and the fixed block drives the moving plate to move, and the moving plate drives the pushing plate to move through the lower rod, and the pushing plate drives the positioning plate to move through the spring one, so that the positioning plates on both sides are close to each other, and the positioning plate first approaches the two sides of the plate body, and the positioning plate is then squeezed by the plate body, which will drive the positioning rod to move, and the positioning rod slides into the pushing plate, and the positioning plate will compress the spring one until the spring one is compressed to the limit. At this time, the two positioning plates clamp the two sides of the plate body and keep the plate body in the middle of the bottom plate for easy subsequent measurement operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] Figure 1 It is a schematic diagram of the first three-dimensional overall structure of the present invention;

[0039] Figure 2This is a schematic diagram of the cross-sectional structure of the upper plate of the present invention;

[0040] Figure 3 For the present invention Figure 2 The enlarged structural diagram at A in the middle;

[0041] Figure 4 For the present invention Figure 2 The enlarged structural diagram at B in the middle;

[0042] Figure 5 This is a schematic diagram of the tooth plate installation structure of the present invention;

[0043] Figure 6 For the present invention Figure 5 The enlarged structural diagram at C in the middle;

[0044] Figure 7 It is a schematic diagram of a second three-dimensional overall structure of the present invention;

[0045] Figure 8 This is a schematic diagram of the inner panel installation structure of the present invention;

[0046] Fig. 9 This is a schematic diagram of the cross-sectional structure of the bottom plate of the present invention;

[0047] Fig.10 For the present invention Fig. 9 Enlarged structural diagram at point D in the middle.

[0048] In the figure: 1, bottom plate; 2, back plate; 3, top plate; 4, support column; 5, upper plate; 6, measuring assembly; 61, mounting plate; 62, motor; 63, threaded rod; 64, mounting seat; 65, top groove; 66, top block; 67, electric push rod; 68, mounting block; 69, connecting block; 610, mounting bearing; 611, rotating shaft; 612, strip plate; 613, central gear; 614, side shaft; 615, side gear; 616, brush plate; 617, Tooth plate; 618, slide bar; 619, scraper; 620, tightening bolt; 621, fixing rod; 7, plate body; 8, positioning assembly; 81, double-headed screw; 82, rotating block; 83, adjusting sleeve; 84, slide groove; 85, fixing block; 86, moving plate; 87, lower rod; 88, pushing plate; 89, positioning plate; 810, positioning rod; 811, spring 1; 812, abutment plate; 813, pressure plate; 814, spring 2; 9, laser measuring instrument. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] See also Figure 1-Figure 10 The present invention provides a technical solution: a device for detecting the surface flatness of a building board, comprising a base plate 1, a board body 7 and a laser measuring instrument 9, wherein a back plate 2 is fixedly connected to one side of the top back of the base plate 1, a top plate 3 is fixedly connected to the top of the back plate 2, and a support column 4 is symmetrically fixedly connected to one side of the top front of the base plate 1.

[0051] The upper plate 5 is fixedly connected to the upper portion of the front side of the back plate 2 .

[0052] A measuring assembly 6 is provided at the bottom of the upper plate 5, and the measuring assembly 6 includes symmetrically arranged mounting plates 61, a motor 62 is fixedly installed on the inner side of one mounting plate 61, a threaded rod 63 is fixedly connected to the output end of the motor 62, a mounting seat 64 is threadedly connected to the outer side of the threaded rod 63, a top block 66 is fixedly connected to the top of the mounting seat 64, and the top block 66 is slidably installed with the upper plate 5.

[0053] The upper plate 5 is located below the top plate 3 , the threaded rod 63 is rotatably connected to another mounting plate 61 , a top groove 65 is provided at the bottom of the upper plate 5 , and a top block 66 is slidably connected to the top groove 65 .

[0054] An electric push rod 67 is fixedly installed at the bottom of the mounting seat 64, and a mounting block 68 is fixedly connected to the bottom end of the telescopic part of the electric push rod 67. The laser measuring instrument 9 is fixedly installed at the bottom of the mounting block 68. A connecting block 69 is fixedly connected to one side of the mounting block 68. A mounting bearing 610 is fixedly installed at one end of the connecting block 69 away from the mounting block 68. A rotating shaft 611 is rotatably connected inside the mounting bearing 610, and a strip plate 612 is rotatably installed on the top of the rotating shaft 611.

[0055] The electric push rods 67 are symmetrically arranged, and there are no less than two electric push rods 67 . The strip plate 612 is located above the mounting bearing 610 , and the two side gears 615 are respectively located at the front and rear sides of the central gear 613 .

[0056] A central gear 613 is fixedly connected to the upper outer portion of the rotating shaft 611, a side shaft 614 is symmetrically rotatably connected to the bottom of the strip plate 612, a side gear 615 is fixedly connected to the upper outer portion of the side shaft 614, two side gears 615 are meshed with the central gear 613, and a brush plate 616 is fixedly installed at the bottom of the rotating shaft 611 and the two side shafts 614.

[0057] The diameter of the central gear 613 is smaller than that of the side gear 615 . The interior of the mounting block 68 is symmetrically slidably connected with a slide bar 618 , and the bottom end of the slide bar 618 is fixedly connected to the scraper 619 .

[0058] A toothed plate 617 is fixedly connected to the middle of the front side of the back plate 2, and the back side gear 615 is meshed with the toothed plate 617. A scraper plate 619 is fixedly installed below the bottom of the mounting block 68, and tightening bolts 620 are symmetrically installed on the outer side of the mounting block 68.

[0059] The clamping bolt 620 is threadedly connected to the mounting block 68 , and the clamping bolt 620 abuts against the sliding rod 618 . A fixing rod 621 is fixedly connected to one side of the strip plate 612 close to the mounting block 68 , and the strip plate 612 is fixedly connected to the mounting block 68 via the fixing rod 621 .

[0060] Embodiment 1: Figure 1-Figure 6 As shown, by placing the plate body 7 on the top of the base plate 1 and fixing it, starting the motor 62, the motor 62 drives the threaded rod 63 to rotate, and the top block 66 slides in the top groove 65 to limit the mounting seat 64, so that the mounting seat 64 drives the electric push rod 67 and the mounting block 68 to move horizontally, and the electric push rod 67 can be telescopically adjusted to adjust the height of the mounting block 68, thereby adjusting the measuring height of the laser measuring instrument 9 to a suitable position. The model of the laser measuring instrument 9 can be selected as TS-PD08.

[0061] The movement of the mounting block 68 drives the connecting block 69 and the mounting bearing 610 to move, and the mounting bearing 610 drives the strip plate 612 and the side gear 615 to move. The side gear 615 on one side is meshed with the tooth plate 617, so that the side gear 615 on one side will also rotate when moving, and the side gear 615 on one side drives the central gear 613 and the side gear 615 on the other side to rotate, so that the two side shafts 614 and the rotating shaft 611 are rotated, and the rotating shaft 611 and the side shaft 614 respectively drive the brush discs 616 to rotate, so that the three brush discs 616 completely clean the top surface of the plate body 7.

[0062] After cleaning, the scraper 619 scrapes off the remaining debris on the surface of the board body 7, and then the laser measuring instrument 9 performs distance measurement detection to determine the flatness of the surface of the board body 7, reducing the influence of dust and other debris on the surface of the board body 7, improving the detection accuracy, and solving the problem that failure to clean the dust and impurities on the surface of the building board in time may affect the measurement accuracy of the subsequent laser flatness detection, resulting in inaccurate flatness detection results.

[0063] The positioning assembly 8 is arranged in the middle of the top of the base plate 1. The positioning assembly 8 includes a double-headed screw 81 that is slotted and rotatably installed inside the base plate 1. One end of the double-headed screw 81 passes through the base plate 1 and is fixedly connected to a rotating block 82. An adjusting sleeve 83 is symmetrically sleeved on the outer side of the double-headed screw 81. The top of the adjusting sleeve 83 is fixedly connected to a fixed block 85, and the top of the fixed block 85 is fixedly connected to a movable plate 86.

[0064] A push plate 88 is fixedly installed on one side of the movable plate 86, and a positioning rod 810 is slidably installed inside the push plate 88. One end of the positioning rod 810 is connected to the positioning plate 89. A contact plate 812 is also fixedly connected to the top of the bottom plate 1, and a pressure plate 813 is installed on one side of the back plate 2.

[0065] The adjusting sleeve 83 is threadedly connected to the double-headed screw 81, and a slide groove 84 is symmetrically opened on the top of the base plate 1. The fixed block 85 is slidably connected to the slide groove 84. The side of the movable plate 86 close to the push plate 88 is fixedly connected to the lower rod 87, and the movable plate 86 is fixedly connected to the push plate 88 through the lower rod 87.

[0066] The pushing plate 88 is located between the moving plate 86 and the positioning plate 89. A spring 811 is sleeved on the outer side of the positioning rod 810. The spring 811 is slidably connected to the positioning rod 810. The two ends of the spring 811 are fixedly connected to the positioning plate 89 and the pushing plate 88 respectively.

[0067] A circular hole is opened on the movable plate 86, and the positioning rod 810 is slidably connected to the circular hole. The pressure plate 813 is located below the front side of the back plate 2. A spring 2 814 is symmetrically fixedly connected to one side of the pressure plate 813, and the end of the spring 2 814 away from the pressure plate 813 is fixedly connected to the back plate 2.

[0068] Embodiment 2: Figure 7-Figure 10 As shown, when placing the plate body 7, the plate body 7 is placed on the top of the bottom plate 1, and the back side of the plate body 7 pushes the pressure plate 813, the pressure plate 813 compresses the spring 2 814, and then the plate body 7 is released, and the elastic force of the spring 2 814 drives the pressure plate 813 and the plate body 7 to move, so that the plate body 7 is stuck between the pressure plate 813 and the abutment plate 812 and is initially fixed.

[0069] Then, the rotating block 82 is screwed, and the rotating block 82 drives the double-headed screw rod 81 to rotate, and the double-headed screw rod 81 drives the two adjusting sleeves 83 to approach each other, and the adjusting sleeve 83 drives the fixed block 85 to move, and the fixed block 85 slides inside the slide groove 84, and the fixed block 85 drives the moving plate 86 to move, and the moving plate 86 drives the pushing plate 88 to move through the lower rod 87, and the pushing plate 88 drives the positioning plate 89 to move through the spring 1 811, so that the positioning plates 89 on both sides approach each other, and the positioning plates 89 first approach the two sides of the plate body 7, and the positioning plates 89 are then squeezed by the plate body 7, which will drive the positioning rod 810 to move, and the positioning rod 810 slides into the pushing plate 88, and the positioning plate 89 will compress the spring 1 811 until the spring 1 811 is compressed to the limit. At this time, the two positioning plates 89 clamp the two sides of the plate body 7 and keep the plate body 7 in the middle of the bottom plate 1 for easy subsequent measurement operations.

[0070] Working principle: When using the device, first, Figure 1-Figure 10 As shown, the plate body 7 is placed on the top of the bottom plate 1, the plate body 7 is initially fixed between the pressure plate 813 and the abutment plate 812, and the rotating block 82 is turned. The rotating block 82 drives the double-headed screw 81 to rotate, so that the pushing plate 88 drives the positioning plate 89 to move through the spring 1 811. The positioning plate 89 first approaches the two sides of the plate body 7, and the positioning plate 89 is then squeezed by the plate body 7 to compress the spring 1 811 until the spring 1 811 is compressed to the limit. At this time, the two positioning plates 89 clamp the two sides of the plate body 7 and keep the plate body 7 in the middle of the bottom plate 1. Then start the motor 62, and the motor 62 drives the screw The grooved rod 63 rotates, so that the mounting seat 64 drives the electric push rod 67 and the mounting block 68 to move horizontally. The movement of the mounting block 68 drives the connecting block 69 and the mounting bearing 610 to move. The mounting bearing 610 drives the strip plate 612 and the side gear 615 to move, so that the two side shafts 614 and the rotating shaft 611 are rotated. The rotating shaft 611 and the side shaft 614 then drive the brush discs 616 to rotate respectively, so that the three brush discs 616 completely clean the top surface of the plate body 7. After cleaning, the scraper 619 scrapes off the debris remaining on the surface of the plate body 7. Then the laser measuring instrument 9 performs distance measurement detection and determines the flatness of the surface of the plate body 7.

[0071] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0072] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for detecting the surface flatness of a building board, comprising a bottom plate (1), a board body (7) and a laser measuring instrument (9), wherein a back plate (2) is fixedly connected to a back plate at one side of the top back of the bottom plate (1), a top plate (3) is fixedly connected to a top plate at the top of the back plate (2), and a support column (4) is symmetrically fixedly connected to a front side of the top of the bottom plate (1); It is characterized in that Also includes: An upper plate (5) is fixedly connected to an upper portion of a front side of the back plate (2), and a measuring component (6) is provided at the bottom of the upper plate (5); A positioning assembly (8) is arranged in the middle of the top of the base plate (1); The measuring assembly (6) comprises symmetrically arranged mounting plates (61), a motor (62) being fixedly mounted on the inner side of one of the mounting plates (61), a threaded rod (63) being fixedly connected to the output end of the motor (62), a mounting seat (64) being threadedly connected to the outer side of the threaded rod (63), a top block (66) being fixedly connected to the top of the mounting seat (64), and the top block (66) being slidably mounted on the upper plate (5); An electric push rod (67) is fixedly mounted on the bottom of the mounting seat (64); a mounting block (68) is fixedly connected to the bottom end of the telescopic portion of the electric push rod (67); the laser measuring instrument (9) is fixedly mounted on the bottom of the mounting block (68); a connecting block (69) is fixedly connected to one side of the mounting block (68); a mounting bearing (610) is fixedly mounted on one end of the connecting block (69) away from the mounting block (68); a rotating shaft (611) is rotatably connected inside the mounting bearing (610); a strip plate (612) is rotatably mounted on the top of the rotating shaft (611); The upper outer portion of the rotating shaft (611) is fixedly connected to a central gear (613); the bottom of the strip plate (612) is symmetrically rotatably connected to a side shaft (614); the upper outer portion of the side shaft (614) is fixedly connected to a side gear (615); the two side gears (615) are meshingly connected to the central gear (613); and the bottoms of the rotating shaft (611) and the two side shafts (614) are fixedly mounted with brush discs (616); A toothed plate (617) is fixedly connected to the middle of the front side of the back plate (2), the side gear (615) on the back side is meshedly connected to the toothed plate (617), a scraper (619) is fixedly installed below the bottom of the mounting block (68), and tightening bolts (620) are symmetrically installed on the outer side of the mounting block (68); The positioning assembly (8) comprises a double-ended screw (81) which is slotted and rotatably mounted inside the base plate (1); one end of the double-ended screw (81) passes through the base plate (1) and is fixedly connected to a rotating block (82); an adjusting sleeve (83) is symmetrically sleeved on the outer side of the double-ended screw (81); a fixed block (85) is fixedly connected to the top of the adjusting sleeve (83); and a movable plate (86) is fixedly connected to the top of the fixed block (85); A push plate (88) is fixedly installed on one side of the movable plate (86), a positioning rod (810) is slidably installed inside the push plate (88), one end of the positioning rod (810) is connected to a positioning plate (89), a contact plate (812) is also fixedly connected to the top of the bottom plate (1), and a pressure plate (813) is installed on one side of the back plate (2).

2. A building board surface flatness detection device according to claim 1, characterized in that: The upper plate (5) is located below the top plate (3), the threaded rod (63) is rotatably connected to another mounting plate (61), a top groove (65) is provided at the bottom of the upper plate (5), and the top block (66) is slidably connected to the top groove (65).

3. A building board surface flatness detection device according to claim 2, characterized in that: The electric push rods (67) are symmetrically arranged, and there are no less than two of the electric push rods (67). The strip plate (612) is located above the mounting bearing (610), and the two side gears (615) are respectively located on the front and rear sides of the central gear (613).

4. A building board surface flatness detection device according to claim 3, characterized in that: The diameter of the central gear (613) is smaller than the diameter of the side gear (615), and a sliding rod (618) is symmetrically slidably connected inside the mounting block (68), and the bottom end of the sliding rod (618) is fixedly connected to the scraper (619).

5. A building board surface flatness detection device according to claim 4, characterized in that: The clamping bolt (620) is threadedly connected to the mounting block (68), and the clamping bolt (620) is in contact with the sliding rod (618). A fixing rod (621) is fixedly connected to the side of the strip plate (612) close to the mounting block (68), and the strip plate (612) is fixedly connected to the mounting block (68) via the fixing rod (621).

6. A building board surface flatness detection device according to claim 5, characterized in that: The adjusting sleeve (83) is threadedly connected to the double-headed screw (81); a slide groove (84) is symmetrically provided on the top of the bottom plate (1); the fixed block (85) is slidably connected to the slide groove (84); a lower rod (87) is fixedly connected to the side of the movable plate (86) close to the push plate (88); and the movable plate (86) is fixedly connected to the push plate (88) via the lower rod (87).

7. A building board surface flatness detection device according to claim 6, characterized in that: The pushing plate (88) is located between the moving plate (86) and the positioning plate (89); a spring (811) is sleeved on the outer side of the positioning rod (810); the spring (811) is slidably connected to the positioning rod (810); and the two ends of the spring (811) are fixedly connected to the positioning plate (89) and the pushing plate (88), respectively.

8. The device for detecting the surface flatness of a building board according to claim 7, characterized in that: The movable plate (86) is provided with a circular hole, the positioning rod (810) is slidably connected to the circular hole, the pressing plate (813) is located below the front side of the back plate (2), one side of the pressing plate (813) is symmetrically fixedly connected with a second spring (814), and the end of the second spring (814) away from the pressing plate (813) is fixedly connected to the back plate (2).

9. A method for using a device for detecting the surface flatness of a building board, characterized in that: The building board surface flatness detection device as claimed in claim 8 is used in the following steps: Step 1: Place the plate body (7) on the top of the bottom plate (1), push the pressure plate (813) with the back side of the plate body (7), the pressure plate (813) compresses the second spring (814), and then release the plate body (7), the elastic force of the second spring (814) drives the pressure plate (813) and the plate body (7) to move, so that the plate body (7) is initially fixed between the pressure plate (813) and the abutment plate (812), and then twist the rotating block (82), the rotating block (82) drives the double-headed screw (81) to rotate, the double-headed screw (81) drives the two adjustment sleeves (83) to approach each other, the adjustment sleeve (83) drives the fixed block (85) to move, and the fixed block (85) slides inside the slide groove (84); Step 2: The fixed block (85) drives the movable plate (86) to move, and the movable plate (86) drives the push plate (88) to move through the lower rod (87), and the push plate (88) drives the positioning plate (89) to move through the spring 1 (811), so that the positioning plates (89) on both sides are close to each other, and the positioning plates (89) first approach the two sides of the plate body (7), and the positioning plates (89) are then squeezed by the plate body (7), which will drive the positioning rod (810) to move, and the positioning rod (810) slides into the push plate (88), and the positioning plate (89) will compress the spring 1 (811) until the spring 1 (811) is compressed to the limit, at which time the two positioning plates (89) clamp the two sides of the plate body (7) and keep the plate body (7) in the middle of the bottom plate (1) for easy subsequent measurement operations; Step 3: Start the motor (62), the motor (62) drives the threaded rod (63) to rotate, and the top block (66) slides in the top groove (65) to limit the mounting seat (64), so that the mounting seat (64) drives the electric push rod (67) and the mounting block (68) to move horizontally, and the electric push rod (67) can be telescopically adjusted to adjust the height of the mounting block (68), thereby adjusting the measuring height of the laser measuring instrument (9) to a suitable position; Step 4: The movement of the mounting block (68) will also drive the connection block (69) and the mounting bearing (610) to move. The mounting bearing (610) drives the strip plate (612) and the side gear (615) to move. The side gear (615) on one side meshes with the tooth plate (617), so that the side gear (615) on one side will also rotate when moving. The side gear (615) on one side drives the central gear (613) and the side gear (615) on the other side to rotate, thereby causing the two side shafts (614) and the rotating shaft (611) to rotate. The rotating shaft (611) and the side shaft (614) then drive the brush discs (616) to rotate respectively, so that the three brush discs (616) completely clean the top surface of the plate body (7). After cleaning, the scraper (619) scrapes off the debris remaining on the surface of the plate body (7), and then the laser measuring instrument (9) performs distance measurement detection.

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