A laser leveling equipment for large-area flooring in steel structure factory buildings

Abstract

This invention relates to the field of laser leveling for large-area floors in steel structure workshops, specifically to a laser leveling device for large-area floors in steel structure workshops. The device includes a hydraulic telescopic rod and a leveling area. The leveling area is located at the left end of the hydraulic telescopic rod, which is connected to existing laser leveling construction equipment. The leveling area includes a mounting plate located at the lower left end of the hydraulic telescopic rod. From left to right, a push-pull mechanism, a leveling mechanism, and a stirring mechanism are sequentially arranged at the lower end of the mounting plate. This invention uses stirring teeth to push the concrete located to the right of the stirring mechanism, breaking up and initially laying the concrete in the area to be leveled. This facilitates the uniform and effective mixing of the concrete by the stirring mechanism. The concrete, after being stirred by the stirring teeth, is further mixed by the stirring blades on the central and rotating stirring rollers, thus achieving secondary breaking up and laying.

Description

Technical Field

[0001] This invention relates to the field of laser leveling of large-area floors in steel structure workshops, specifically to a laser leveling device for large-area floors in steel structure workshops. Background Technology

[0002] Laser leveling of large-area floors in steel structure workshops refers to the use of laser leveling technology to level the floors of steel structure workshops. The laser receiver on the laser leveling machine controls the height of the leveling mechanism in real time to ensure leveling accuracy, thereby achieving high-precision, fast and efficient leveling of concrete and forming a flat floor.

[0003] However, the following problems exist in the process of laser leveling large areas of steel structure factory floors: 1. Common laser leveling equipment directly presses down on the concrete in a piled state to level the floor. This results in a small concrete paving area and uneven thickness. It takes a lot of time to level the concrete to the required thickness, resulting in low overall leveling efficiency.

[0004] 2. Laser leveling equipment has difficulty mixing and breaking up concrete before leveling, which makes it impossible to pre-lay the concrete and improve its fineness, thus affecting the leveling efficiency and quality of the concrete.

[0005] Therefore, in order to solve the problems existing in the process of laser leveling large-area floors of steel structure workshops, this invention provides a laser leveling device for large-area floors of steel structure workshops. Summary of the Invention

[0006] This invention provides a laser leveling device for large-area floors in steel structure workshops, including a hydraulic telescopic rod and a leveling area. The leveling area is located at the left end of the hydraulic telescopic rod, which is connected to existing laser leveling construction equipment. The leveling area includes a mounting plate located at the lower left end of the hydraulic telescopic rod. From left to right, the lower end of the mounting plate is provided with a push-pull mechanism, a leveling mechanism, and a stirring mechanism.

[0007] The leveling mechanism includes a leveling frame, the right end of which is tilted to the left, and cylinders are symmetrically installed at the front and back of the upper end of the leveling frame. The cylinders are installed at the lower end of the mounting plate.

[0008] The agitation mechanism includes a fixed plate at the lower end of the mounting plate. Hydraulic cylinders are symmetrically mounted front-to-back on the upper center of the fixed plate. A laser control system is mounted on the fixed section of each hydraulic cylinder after it passes through the mounting plate. A central stirring roller and a rotating stirring roller are located at the lower left end of the fixed plate. Agitator blades are axially evenly arranged on the outer circumference of both the central and rotating stirring rollers. The agitator blades on the central and rotating stirring rollers are arranged alternately. A drive gear is installed through the front end of the central stirring roller, and a driven gear meshing with the drive gear is installed through the front end of the rotating stirring roller. The central stirring roller and the rotating stirring roller are mounted together between two rotating plates. Vertical plates are rotatably mounted at both ends of the central stirring roller. The rotating plates are fixedly connected to the vertical plates. A driven sprocket is mounted after the central stirring roller rotates through the vertical plates. A driving sprocket is set above the driven sprocket. The driving sprocket and the driven sprocket are connected by chain meshing. A horizontal plate is installed on the upper right side of the vertical plate. The horizontal plate is located inside the chain. The rear end of the driving sprocket located above is connected to the output shaft of the drive motor installed on the upper part of the horizontal plate. A stirring pusher tooth is arranged in a matrix at the lower right side of the fixed plate.

[0009] The push-pull mechanism includes a support plate located on the left side of the leveling frame. An electric telescopic rod connects the support plate to the mounting plate. Rectangular plates are symmetrically installed at the lower end of the horizontal section of the support plate, and auxiliary rollers are rotatably installed between the rectangular plates.

[0010] In one embodiment, an adjusting plate is installed on the upper end of each of the several stirring push teeth arranged from left to right. An adjusting block is installed on the upper end of the adjusting plate. A sliding groove is opened on the upper right side of the fixing plate. An adjusting column is connected between the front and rear inner walls of the sliding groove. The adjusting block and the adjusting column are slidably connected. An insertion hole is opened on the upper end of both the adjusting column and the adjusting block. The insertion holes on the adjusting column are evenly arranged along its axial direction, and the total number of insertion holes on the adjusting column is greater than the total number of insertion holes on the adjusting block. The upper and lower opposite insertion holes are connected by a pin.

[0011] In one embodiment, an inverted U-shaped plate is provided at the left end of the fixed plate, and vibrating rods are symmetrically installed between the vertical sections of the inverted U-shaped plate. A vibration motor is installed at the upper end of the horizontal section of the inverted U-shaped plate. The front ends of the two vibrating rods pass through the vertical section on the front side of the inverted U-shaped plate and are connected to the vibration motor through the same wire. A vibration sleeve is fitted on the outer ring surface of the vibrating rod, and vibration extension rods are axially and evenly installed on the outer ring surface of the vibration sleeve.

[0012] In one embodiment, a push block is installed at the middle of the upper end of the horizontal section of the inverted U-shaped plate. The right end of the push block is connected to the push end of an electric push rod installed on the upper end of the fixed plate. Guide columns are symmetrically installed at the left end of the fixed plate, and the guide columns are slidably connected to the horizontal section of the inverted U-shaped plate.

[0013] In one embodiment, pressure rollers evenly arranged from left to right are rotatably mounted between the front and rear inner walls of the scraper.

[0014] In summary, the present invention has at least one of the following beneficial effects:

[0015] 1. This invention provides a laser leveling device for large-area flooring in steel structure workshops. The device uses stirring push teeth to push the concrete located on the right side of the stirring mechanism to break up and initially lay the concrete in the area to be leveled, so that the stirring mechanism can evenly and effectively stir the concrete. The stirring blades on the central stirring roller and the rotating stirring roller stir the concrete after it has been stirred by the stirring push teeth, thereby realizing secondary breaking up and laying.

[0016] 2. This invention provides a laser leveling device for large-area floors in steel structure workshops. It utilizes staggered mixing blades to chop concrete, improving its fineness and density. This allows the raw materials of the concrete to be more evenly mixed and dispersed, preventing the presence of solidified lumps within the concrete that could affect the smoothness of the concrete surface. This facilitates subsequent smooth and efficient leveling, improving the efficiency and quality of floor leveling.

[0017] 3. This invention provides a laser leveling device for large-area floors in steel structure workshops. It uses auxiliary rollers to roll and press the leveled concrete to solidify it, improve the compactness of the concrete, and further increase the flatness of the floor, reducing the time required for subsequent manual leveling and adjustment.

[0018] In addition to the technical problems solved by the embodiments of the present invention described above, the technical features constituting the technical solutions, and the beneficial effects brought about by the technical features of these technical solutions, other technical problems that can be solved by the laser leveling equipment and process for large-area flooring of steel structure workshops provided by the embodiments of this application, other technical features included in the technical solutions, and the beneficial effects brought about by these technical features will be further described in detail in the specific embodiments. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0020] Figure 1 This is a front-view stereoscopic structural diagram of the present invention.

[0021] Figure 2 This is a schematic diagram of the left-side planar structure of the present invention.

[0022] Figure 3 For the present invention Figure 2 A schematic diagram of the AA-direction cross-section structure.

[0023] Figure 4 For the present invention Figure 3 A magnified structural diagram of region B in the middle.

[0024] Figure 5 This is a three-dimensional structural diagram of the vibrating rod and stirring mechanism of the present invention.

[0025] Figure 6 This is a three-dimensional structural diagram of the leveling mechanism and the push-pull mechanism of the present invention.

[0026] Figure 7 This is a three-dimensional structural diagram of the stirring mechanism of the present invention.

[0027] Figure 8 This is a three-dimensional structural diagram of the inverted U-shaped plate and the vibrating rod of the present invention.

[0028] Figure 9 This is a three-dimensional structural diagram of the stirring pusher and adjusting plate of the present invention.

[0029] Reference numerals: 1. Hydraulic telescopic rod; 2. Mounting plate; 21. Leveling mechanism; 211. Scraper frame; 212. Cylinder; 213. Pressure roller; 22. Agitating mechanism; 221. Fixing plate; 222. Hydraulic cylinder; 223. Laser control system; 224. Central stirring roller; 225. Rotating stirring roller; 226. Stirring blade; 227. Driven gear; 228. Driven gear; 229. Rotating plate; 23. Push-pull mechanism; 231. Support plate; 232. Auxiliary roller; 2 33. Electric telescopic rod; 242. Vertical plate; 243. Driven sprocket; 244. Drive sprocket; 245. Chain; 246. Drive motor; 247. Stirring pusher teeth; 248. Adjusting plate; 249. Adjusting block; 251. Adjusting column; 252. Insertion hole; 253. Pin; 254. Inverted U-shaped plate; 255. Vibrator; 256. Vibration motor; 257. Wire; 258. Vibration extension rod; 260. Push block; 261. Electric push rod; 262. Guide column. Detailed Implementation

[0030] To make the above-mentioned objects, features, and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of the present invention. However, the present invention can be practiced in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0031] Please see Figure 1 A laser leveling device for large-area flooring in a steel structure factory building includes a hydraulic telescopic rod 1 and a leveling area. The leveling area is located at the left end of the hydraulic telescopic rod 1. The hydraulic telescopic rod 1 is connected to existing laser leveling construction equipment. The leveling area includes a mounting plate 2 located at the lower left end of the hydraulic telescopic rod 1. From left to right, the lower end of the mounting plate 2 is provided with a push-pull mechanism 23, a leveling mechanism 21, and a stirring mechanism 22.

[0032] Please see Figure 1 , Figure 3 and Figure 6 The leveling mechanism 21 includes a leveling frame 211, the right end of which is tilted to the left. Cylinders 212 are symmetrically installed at the front and back of the upper end of the leveling frame 211, and the cylinders 212 are installed at the lower end of the mounting plate 2.

[0033] Please see Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 7 and Figure 9 The stirring mechanism 22 includes a fixed plate 221 disposed at the lower end of the mounting plate 2. Hydraulic cylinders 222 are symmetrically mounted at the upper middle part of the fixed plate 221. A laser control system 223 is mounted on the fixed section of the hydraulic cylinders 222 after penetrating the mounting plate 2. A central stirring roller 224 and a rotating stirring roller 225 are disposed at the lower left end of the fixed plate 221. Agitator blades 226 are axially evenly arranged on the outer circumference of both the central stirring roller 224 and the rotating stirring roller 225. The agitator blades 226 on the central stirring roller 224 and the rotating stirring roller 225 are arranged alternately. A drive gear 227 is installed through the front end of the central stirring roller 224, and a driven gear 226 meshing with the drive gear 227 is installed through the front end of the rotating stirring roller 225. 8. The central stirring roller 224 and the rotating stirring roller 225 are rotatably mounted between two rotating plates 229. Vertical plates 242 are rotatably mounted at both ends of the central stirring roller 224. The rotating plates 229 are fixedly connected to the vertical plates 242. After the central stirring roller 224 rotates through the vertical plates 242, a driven sprocket 243 is installed. A driving sprocket 244 is set above the driven sprocket 243. The driving sprocket 244 and the driven sprocket 243 are connected by a chain 245. A horizontal plate is installed on the upper right side of the vertical plate 242. The horizontal plate is located inside the chain 245. The rear end of the driving sprocket 244 is connected to the output shaft of the drive motor 246 installed on the upper part of the horizontal plate. A stirring pusher tooth 247 arranged in a matrix is ​​set on the lower right side of the fixed plate 221.

[0034] Please see Figure 1 , Figure 2 , Figure 3 and Figure 6 The push-pull mechanism 23 includes a support plate 231 disposed on the left side of the scraper frame 211. An electric telescopic rod 233 is connected between the support plate 231 and the mounting plate 2. Rectangular plates are symmetrically installed at the lower end of the horizontal section of the support plate 231, and auxiliary rollers 232 are rotatably installed between the rectangular plates.

[0035] First, the existing laser screeding equipment moves the hydraulic telescopic rod 1 to the left, shifting the screed area to the corresponding screed position in the middle of the steel structure workshop. This screed position is already covered with accumulated concrete. Then, the laser screeding equipment moves the hydraulic telescopic rod 1 and the screed area downwards, close to the concrete. Next, the hydraulic cylinder 222 moves the agitator 22 downwards, causing the agitator teeth 247, central agitator roller 224, rotating agitator roller 225, agitator blades 226, and agitator teeth 247 to extend into the concrete. At this point, the screeding mechanism 21 and the push-pull mechanism 23 are both above the concrete. Then, the existing laser screeding equipment, via the hydraulic telescopic rod 1, slowly moves the screed area to the right. The agitator teeth 247 push the concrete to the right of the agitator 22, breaking up and initially laying the concrete in the screed area, facilitating even and effective agitation by the agitator 22. Simultaneously, the drive motor 246 drives the drive sprocket 244 to rotate, and the drive sprocket 244, via a chain... The drive sprocket 245 drives the driven sprocket 243 to rotate synchronously. Simultaneously, the driven sprocket 243 rotates through the central mixing roller 224, driving the mixing blades 226 to rotate synchronously. At the same time, the drive gear 227 meshes with the driven gear 228, causing the rotating mixing roller 225 to drive the mixing blades 226 to rotate synchronously. The mixing blades 226 on both the central mixing roller 224 and the rotating mixing roller 225 mix the concrete. Simultaneously, the staggered distribution of the mixing blades 226 shreds the concrete, improving its fineness and density. This ensures the raw materials are more evenly mixed and dispersed, preventing the presence of solidified lumps that could affect the surface smoothness of the concrete. This facilitates subsequent smooth and efficient leveling, improving the efficiency and quality of the floor leveling. Next, as the equipment moves, the cylinder 212 moves the leveling frame 211 downwards to contact the dispersed and mixed concrete. During its movement, the leveling frame 211 smooths the already dispersed concrete.

[0036] In addition, while the leveling frame 211 is in contact with the concrete, the auxiliary roller 232 is also in contact with the concrete via the electric telescopic rod 233. As the leveling area moves to the right as a whole, the support plate 231 drives the auxiliary roller 232 to move to the right synchronously. The auxiliary roller 232 rotates due to frictional resistance from contact with the concrete, rolling and pressing the leveled concrete to solidify it, improve the compactness of the concrete, and further increase the flatness of the floor, reducing the time required for subsequent manual leveling and adjustment. When the existing laser leveling equipment moves the leveling area away from the construction area via the hydraulic telescopic rod 1, the hydraulic telescopic rod 1 retracts to the right to reset. The hydraulic cylinder 222 drives the stirring mechanism 22 and the push-pull mechanism 23 to move upward and reset. The stirring mechanism 22 stops working. At the same time, the cylinder 212 drives the scraper frame 211 upward and resets away from the leveled concrete area. After the leveling mechanism 21 and the push-pull mechanism 23 complete the final scraping treatment, the laser equipment moves the hydraulic telescopic rod 1 and the leveling area upward and resets. Then, the laser leveling equipment moves the leveling area to another area to be leveled in the middle of the steel structure factory building. The same leveling steps are repeated to level the concrete. After the concrete in the middle area has completely solidified and dried to form a floor, concrete is poured on the perimeter of the steel structure factory building. The laser leveling equipment uses the solidified floor as a moving surface to complete the floor leveling work in the remaining area.

[0037] Please see Figure 5 and Figure 9 Each of the several stirring push teeth 247 arranged from left to right has an adjusting plate 248 installed on its upper end. An adjusting block 249 is installed on the upper end of the adjusting plate 248. A sliding groove is provided on the upper right side of the fixing plate 221. An adjusting column 251 is connected between the front and rear inner walls of the sliding groove. The adjusting block 249 and the adjusting column 251 are slidably connected. Both the adjusting column 251 and the adjusting block 249 have insertion holes 252 on their upper ends. The insertion holes 252 on the adjusting column 251 are evenly arranged along its axial direction, and the total number of insertion holes 252 on the adjusting column 251 is greater than the total number of insertion holes 252 on the adjusting block 249. The upper and lower opposite insertion holes 252 are connected by a pin 253.

[0038] When the viscosity of the concrete raw materials changes, the pin 253 can be pulled out, and then the adjusting block 249 can be slid along the adjusting column 251 to adjust the distance between the adjusting plates 248, thereby changing the distance between the mixing push teeth 247. After adjusting to the appropriate position, the adjusting block 249 can be fixed by inserting the pin 253 into the insertion hole 252. By changing the distance between the mixing push teeth 247, the density of the mixing push teeth 247 can be adjusted, so that the mixing push teeth 247 can effectively push concrete of different viscosities, increasing the application range of the mixing push teeth 247, so that the concrete can always be fully pushed and evenly spread, achieving the effect of pre-laying concrete.

[0039] Please see Figure 1 , Figure 3 , Figure 5 and Figure 8 The fixed plate 221 has an inverted U-shaped plate 254 on its left end. Vibration rods 255 are symmetrically installed between the vertical sections of the inverted U-shaped plate 254. A vibration motor 256 is installed at the upper end of the horizontal section of the inverted U-shaped plate 254. The front ends of the two vibration rods 255 pass through the vertical section on the front side of the inverted U-shaped plate 254 and are connected to the vibration motor 256 through the same wire 257. A vibration sleeve is fitted on the outer ring of the vibration rod 255. Vibration extension rods 258 are axially and evenly installed on the outer ring of the vibration sleeve.

[0040] During the mixing process of the concrete by the stirring mechanism 22, the vibrating motor 256 drives the two upper and lower vibrating rods 255 to vibrate the concrete synchronously from top to bottom, making the concrete more compact. While the vibrating rods 255 vibrate the concrete, the vibrating extension rod 258 vibrates synchronously with the vibrating rods 255. The vibrating extension rod 258 penetrates into the concrete, causing the concrete in contact with the vibrating rods 255 to vibrate further, increasing the range of concrete vibration, eliminating air bubbles in the concrete and reducing pores on the concrete surface, further improving the compactness of the concrete, and further pre-leveling the concrete.

[0041] Please see Figure 3 , Figure 5 and Figure 8 A push block 260 is installed at the middle of the upper part of the horizontal section of the inverted U-shaped plate 254. The right end of the push block 260 is connected to the push end of the electric push rod 261 installed on the upper part of the fixed plate 221. Guide columns 262 are symmetrically installed at the front and rear of the left end of the fixed plate 221. The guide columns 262 are slidably connected to the horizontal section of the inverted U-shaped plate 254.

[0042] During the vibration of the vibrator 255, the push block 260 is moved back and forth by the electric push rod 261, so that the inverted U-shaped plate 254 drives the vibrator 255 and the vibration motor 256 to slide left and right along the guide column 262. This not only increases the vibration range of the vibrator 255 inside the concrete, making the concrete more compact and flat, but also the moving vibrator 255 can further break up the concrete and improve the pre-laying effect of the concrete.

[0043] Please see Figure 3 and Figure 4 The leveling frame 211 has pressure rollers 213 evenly arranged from left to right rotatably mounted between its front and rear inner walls. During the leveling process, the pressure rollers 213 inside the leveling frame 211 rotate synchronously, rolling and pressing the initially leveled concrete. This effectively eliminates defects such as unevenness, bumps, and depressions on the concrete floor surface, making the concrete denser and stronger, increasing its density, and improving the strength and durability of the floor.

[0044] In the description of this invention, it should be understood that the terms "middle", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0045] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," "installed," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, an integral connection, or a sliding connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0046] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made based on the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A laser leveling device for large-area flooring in a steel structure factory, comprising a hydraulic telescopic rod and a leveling area, wherein the leveling area is located at the left end of the hydraulic telescopic rod, and the hydraulic telescopic rod is connected to existing laser leveling construction equipment, characterized in that: The leveling area includes a mounting plate located at the lower left end of the hydraulic telescopic rod. From left to right, the lower end of the mounting plate is provided with a push-pull mechanism, a leveling mechanism, and a stirring mechanism. The leveling mechanism includes a leveling frame, the right end of which is tilted to the left, and cylinders are symmetrically installed at the front and back of the upper end of the leveling frame. The cylinders are installed at the lower end of the mounting plate. The stirring mechanism includes a fixed plate at the lower end of the mounting plate. Hydraulic cylinders are symmetrically installed at the front and back of the upper middle part of the fixed plate. A laser control system is installed after the fixed section of the hydraulic cylinder passes through the mounting plate. A central stirring roller and a rotating stirring roller are set at the lower left side of the fixed plate. Agitating blades are evenly arranged axially on the outer ring surface of both the central stirring roller and the rotating stirring roller. A drive gear is installed through the front end of the central stirring roller, and a driven gear meshing with the drive gear is installed through the front end of the rotating stirring roller. The central stirring roller and the rotating stirring roller are rotatably installed between two rotating plates. Vertical plates are rotatably installed at the front and rear ends of the central stirring roller. The rotating plates are fixedly connected to the vertical plates. A driven sprocket is installed after the central stirring roller rotates through the vertical plates. A drive sprocket is set above the driven sprocket. The drive sprocket and the driven sprocket are connected by a chain meshing transmission. A horizontal plate is installed at the upper right side of the vertical plate. The horizontal plate is located inside the chain. The rear end of the drive sprocket located above it is connected to the output shaft of the drive motor installed at the upper end of the horizontal plate. A stirring pusher tooth is arranged in a matrix at the lower right side of the fixed plate. The push-pull mechanism includes a support plate located on the left side of the scraper frame, an electric telescopic rod connecting the support plate and the mounting plate, rectangular plates symmetrically installed at the lower end of the horizontal section of the support plate, and auxiliary rollers rotatably installed between the rectangular plates. An inverted U-shaped plate is provided on the left end of the fixed plate. Vibration rods are symmetrically installed between the vertical sections of the inverted U-shaped plate. A vibration motor is installed at the upper end of the horizontal section of the inverted U-shaped plate. The front ends of the two vibration rods pass through the vertical section on the front side of the inverted U-shaped plate and are connected to the vibration motor through the same wire. A vibration sleeve is fitted on the outer ring of the vibration rod, and vibration extension rods are axially and evenly installed on the outer ring of the vibration sleeve.

2. The laser leveling equipment for large-area flooring of steel structure workshops according to claim 1, characterized in that: The upper ends of the several stirring push teeth arranged from left to right are all equipped with adjusting plates. Adjusting blocks are installed on the upper ends of the adjusting plates. A sliding groove is opened at the upper right end of the fixed plate. An adjusting column is connected between the front and rear inner walls of the sliding groove. The adjusting block and the adjusting column are slidably connected. The upper ends of the adjusting column and the adjusting block are all provided with insertion holes. The insertion holes on the adjusting column are evenly arranged along its axial direction, and the total number of insertion holes on the adjusting column is greater than the total number of insertion holes on the adjusting block. The upper and lower opposite insertion holes are connected by a pin.

3. The laser leveling equipment for large-area flooring of steel structure workshops according to claim 1, characterized in that: A push block is installed at the middle of the upper end of the horizontal section of the inverted U-shaped plate. The right end of the push block is connected to the push end of the electric push rod installed on the upper end of the fixed plate. Guide columns are symmetrically installed at the front and rear of the left end of the fixed plate. The guide columns are slidably connected to the horizontal section of the inverted U-shaped plate.

4. The laser leveling equipment for large-area flooring of steel structure workshops according to claim 1, characterized in that: The scraper frame is rotatably mounted between its front and rear inner walls, with pressure rollers evenly arranged from left to right.

5. The laser leveling equipment for large-area flooring of steel structure workshops according to claim 1, characterized in that: The agitator blades on the central agitator roller and the rotating agitator roller are arranged alternately.

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