Concrete surface grinding device for civil engineering

Abstract

The utility model relates to the technical field of polishing devices, and discloses a concrete surface polishing device for civil engineering, which comprises a bottom plate, trundles mounted at the bottom of the bottom plate, a water tank mounted at the top of the bottom plate, and a polishing mechanism mounted at the front end of the water tank, a T-shaped pipe is arranged on one side of the vertical plate, water distribution pipes are symmetrically installed at the two ends of the T-shaped pipe, spraying pipes are symmetrically installed at the two ends of the water distribution pipes, and a plurality of nozzles penetrating through the circular plate are installed on the spraying pipes. The front end of the water tank is provided with a driving assembly for driving the polishing mechanism to lift and rotate. The two polishing discs are driven to rotate through the rotary air cylinder, switching between the coarse polishing disc and the fine polishing disc is achieved, convenience and rapidness are achieved, and polishing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a concrete surface grinding device for civil engineering. Background Art

[0002] In civil engineering projects, the surface of the poured concrete needs to be polished after it solidifies. For polishing, a concrete grinder, also known as a floor grinder, is needed. It is a machine specially used for floor grinding and polishing.

[0003] The surface grinding of concrete floors usually includes coarse grinding and fine grinding. The grinding disc needs to be replaced during the grinding process. When replacing the grinding disc, the grinder base needs to be lifted, which is inconvenient and reduces the grinding efficiency. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the existing grinding device needs to lift the grinding machine base to replace the grinding disc, which is inconvenient and reduces the grinding efficiency.

[0005] In order to solve the above problems, the technical solution of the utility model is: a concrete surface grinding device for civil engineering, comprising a base plate, casters are installed at the bottom of the base plate, a water tank is installed at the top, a grinding mechanism is installed at the front end of the water tank, the grinding mechanism comprises a vertical plate, protective covers are symmetrically installed at both ends of the vertical plate, a circular plate is connected to the end of the protective cover away from the vertical plate, a motor 1 is installed on the top of the circular plate, a mounting plate is installed at the output end of the motor 1, a grinding plate is installed at the bottom of the mounting plate, a T-tube is provided on one side of the vertical plate, water distribution pipes are symmetrically installed at both ends of the T-tube, nozzles are symmetrically installed at both ends of the water distribution pipe, a plurality of nozzles penetrating the circular plate are installed on the nozzle, and a driving component for driving the grinding mechanism to lift and rotate is installed at the front end of the water tank.

[0006] Furthermore, an equipment box is installed on the top of the water tank, a push handle is provided at the rear end, a power supply component for power supply is installed inside the equipment box, and a control panel is installed at the rear end.

[0007] Furthermore, a protective ring is provided on the outer side of the circular plate, lower ear plates are symmetrically fixedly connected to the front and rear sides of the protective ring, upper ear plates are symmetrically fixedly connected to the front and rear sides of the protective cover, and an electric push rod is installed between the upper ear plate and the lower ear plate.

[0008] Furthermore, the two grinding discs are respectively a coarse grinding disc and a fine grinding disc.

[0009] Furthermore, a submersible pump is built into the water tank, and the output end of the submersible pump is connected to a water pipe that runs through the top surface of the water tank, and the other end of the water pipe is connected to a T-shaped pipe.

[0010] Furthermore, the connection between the T-tube and the water distribution pipe is located in the middle of the water distribution pipe, and solenoid valves are installed at both ends of the T-tube. The T-tube, the water distribution pipe, the nozzle and the water delivery pipe are all hoses.

[0011] Furthermore, the driving assembly includes a guide rail, a mounting seat is movably connected to the front end of the guide rail, and a groove is provided on the front end surface of the guide rail, a driving block extending into the groove is fixedly connected to the rear end of the mounting seat, a screw rod penetrating the driving block is rotatably installed inside the groove, the screw rod is threadedly connected to the driving block, a motor 2 for driving the screw rod to rotate is installed on the top of the guide rail, a rotary cylinder is installed on the mounting seat, a mounting plate is installed on the output end of the rotary cylinder, and a plurality of connecting rods are connected between the mounting plate and the vertical plate.

[0012] The advantages of the utility model compared with the existing technology are: the second motor of the utility model drives the screw rod to rotate, prompting the driving block to drive the mounting seat to move up and down along the guide rail, so that the height of the grinding disc can be adjusted, which is convenient for grinding the ground. The rotary cylinder drives the two grinding discs to rotate, realizing the switching of the coarse grinding disc and the fine grinding disc, which is convenient and fast, and improves the grinding efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model is a three-dimensional Figure 1 .

[0014] Figure 2 The utility model is a three-dimensional Figure 2 .

[0015] Figure 3 It is a connection structure diagram of the grinding mechanism and the driving assembly of the utility model.

[0016] Figure 4 This utility model Figure 3 sectional view of .

[0017] Figure 5 It is a connection structure diagram of the grinding disc of the utility model.

[0018] As shown in the figure: 1. Base plate; 2. Casters; 3. Water tank; 4. Vertical plate; 5. Protective cover; 6. Round plate; 7. Motor 1; 8. Mounting plate; 9. Grinding plate; 10. T-tube; 11. Water distribution pipe; 12. Nozzle; 13. Nozzle; 14. Equipment box; 15. Push handle; 16. Control panel; 17. Protective ring; 18. Lower ear plate; 19. Upper ear plate; 20. Electric push rod; 21. Water pipe; 22. Guide rail; 23. Mounting seat; 24. Drive block; 25. Screw; 26. Motor 2; 27. Rotary cylinder; 28. Mounting plate; 29. ​​Connecting rod. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] like Figure 1 to Figure 2 As shown, a concrete surface grinding device for civil engineering projects includes a base plate 1, a caster 2 is installed at the bottom of the base plate 1, a water tank 3 is installed on the top, a grinding mechanism is installed at the front end of the water tank 3, an equipment box 14 is installed on the top of the water tank 3, a push handle 15 is provided at the rear end, a power supply component for power supply is installed inside the equipment box 14, and a control panel 16 is installed at the rear end.

[0021] like Figure 3 and Figure 5 As shown, the grinding mechanism includes a vertical plate 4, and protective covers 5 are symmetrically installed at both ends of the vertical plate 4. The end of the protective cover 5 away from the vertical plate 4 is connected to a circular plate 6. A motor 7 is installed on the top of the circular plate 6. A mounting plate 8 is installed on the output end of the motor 7. A grinding plate 9 is installed at the bottom of the mounting plate 8. The two grinding plates 9 are respectively a coarse grinding plate and a fine grinding plate. A T-shaped pipe 10 is provided on one side of the vertical plate 4. Water distribution pipes 11 are symmetrically installed at both ends of the T-shaped pipe 10. Spray pipes are symmetrically installed at both ends of the water distribution pipe 11. 12, a plurality of nozzles 13 penetrating the circular plate 6 are mounted on the nozzle 12, a protective ring 17 is disposed on the outer side of the circular plate 6, lower ear plates 18 are symmetrically fixedly connected to the front and rear sides of the protective ring 17, upper ear plates 19 are symmetrically fixedly connected to the front and rear sides of the protective cover 5, an electric push rod 20 is mounted between the upper ear plate 19 and the lower ear plate 18, a submersible pump is built into the water tank 3, and the output end of the submersible pump is connected to a water pipe 21 penetrating the top surface of the water tank 3, and the other end of the water pipe 21 is connected to the T-tube 10.

[0022] The motor 7 drives the grinding disc 9 to rotate through the mounting disc 8, and can complete the grinding of the concrete surface. The height of the protective ring 17 can be adjusted by the extension and contraction of the electric push rod 20, and then the height of the protective ring 17 can be adjusted according to the wear degree of the grinding disc 9. The submersible pump transports the water in the water tank 3 to the T-tube 10 through the water pipe 21, and then transports it to the water distribution pipe 11 through the T-tube 10, and then enters the two nozzles 12 through the water distribution pipe 11, and then sprays it to the ground through the nozzle 13, which can avoid dust during grinding.

[0023] like Figure 1 , Figure 3 and Figure 4As shown, a driving assembly for driving the grinding mechanism to lift and rotate is installed at the front end of the water tank 3, and the driving assembly includes a guide rail 22, and a mounting seat 23 is movably connected to the front end of the guide rail 22, and a groove is opened on the front end surface of the guide rail 22, and a driving block 24 extending to the inside of the groove is fixedly connected to the rear end of the mounting seat 23, and a screw rod 25 penetrating the driving block 24 is rotatably installed inside the groove, and the screw rod 25 is threadedly connected to the driving block 24, and a motor 26 for driving the screw rod 25 to rotate is installed on the top of the guide rail 22, and a rotary cylinder 27 is installed on the mounting seat 23, and a mounting plate 28 is installed at the output end of the rotary cylinder 27, and a plurality of connecting rods 29 are connected between the mounting plate 28 and the vertical plate 4.

[0024] Motor 26 drives the screw rod 25 to rotate, prompting the driving block 24 to drive the mounting seat 23 to move up and down along the guide rail 22, so as to adjust the height of the grinding disc 9 and enable the grinding disc 9 to contact with the concrete floor, so as to facilitate grinding the floor. The rotary cylinder 27 drives the mounting plate 28 to rotate 90°, and the mounting plate 28 drives the vertical plate 4 and the two grinding discs 9 to rotate through the connecting rod 29, so as to facilitate switching between the coarse grinding disc and the fine grinding disc.

[0025] In specific use, the coarse grinding disc is rotated downward by the rotation of the rotary cylinder 27, the motor 26 drives the mounting seat 23 to move downward and make the coarse grinding disc contact the concrete floor, and the motor 17 drives the coarse grinding disc to rotate to achieve coarse grinding of the concrete floor. After the coarse grinding is completed, the coarse grinding disc is raised by the operation of the motor 26, and the fine grinding disc is rotated downward by the rotation of the rotary cylinder 27. The fine grinding of the concrete floor can be achieved by the same operation. Turning on the submersible pump during grinding can avoid dust during grinding.

[0026] The undisclosed parts in the present invention are all prior art, and their specific structures and working principles are not described in detail.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

[0029] The above description of the utility model and its implementation methods is not restrictive. The drawings show only one implementation method of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the invention of the utility model, they should all fall within the protection scope of the utility model.

Claims

1. A concrete surface grinding device for civil engineering, comprising a base plate (1), a caster (2) mounted at the bottom of the base plate (1), a water tank (3) mounted at the top, a grinding mechanism mounted at the front end of the water tank (3), characterized in that: The grinding mechanism comprises a vertical plate (4), protective covers (5) are symmetrically mounted at both ends of the vertical plate (4), one end of the protective cover (5) away from the vertical plate (4) is connected to a circular plate (6), a motor (7) is mounted on the top of the circular plate (6), a mounting plate (8) is mounted on the output end of the motor (7), a grinding plate (9) is mounted on the bottom of the mounting plate (8), a T-shaped pipe (10) is arranged on one side of the vertical plate (4), water distribution pipes (11) are symmetrically mounted at both ends of the T-shaped pipe (10), nozzles (12) are symmetrically mounted at both ends of the water distribution pipe (11), a plurality of nozzles (13) penetrating the circular plate (6) are mounted on the nozzles (12), and a driving component for driving the grinding mechanism to rise, fall and rotate is mounted at the front end of the water tank (3).

2. The concrete surface grinding device for civil engineering according to claim 1, characterized in that: A device box (14) is installed on the top of the water tank (3), and a push handle (15) is provided at the rear end. A power supply component for power supply is installed inside the device box (14), and a control panel (16) is installed at the rear end.

3. The concrete surface grinding device for civil engineering according to claim 1, characterized in that: A protective ring (17) is provided on the outside of the circular plate (6), and lower ear plates (18) are symmetrically fixedly connected to the front and rear sides of the protective ring (17), and upper ear plates (19) are symmetrically fixedly connected to the front and rear sides of the protective cover (5), and an electric push rod (20) is installed between the upper ear plate (19) and the lower ear plate (18).

4. The concrete surface grinding device for civil engineering according to claim 1, characterized in that: The two grinding discs (9) are respectively a coarse grinding disc and a fine grinding disc.

5. The concrete surface grinding device for civil engineering according to claim 1, characterized in that: A submersible pump is built into the water tank (3), and the output end of the submersible pump is connected to a water pipe (21) that runs through the top surface of the water tank (3), and the other end of the water pipe (21) is connected to a T-shaped pipe (10).

6. The concrete surface grinding device for civil engineering according to claim 1, characterized in that: The driving assembly comprises a guide rail (22), the front end of the guide rail (22) is movably connected to a mounting seat (23), and the front end surface of the guide rail (22) is provided with a groove, the rear end of the mounting seat (23) is fixedly connected to a driving block (24) extending into the groove, a screw rod (25) penetrating the driving block (24) is rotatably installed in the groove, the screw rod (25) is threadedly connected to the driving block (24), a motor (26) for driving the screw rod (25) to rotate is installed at the top of the guide rail (22), a rotary cylinder (27) is installed on the mounting seat (23), a mounting plate (28) is installed at the output end of the rotary cylinder (27), and a plurality of connecting rods (29) are connected between the mounting plate (28) and the vertical plate (4).

Images