Grinding machine and horizon grinding construction method

Abstract

The invention relates to a grinding machine and a horizon grinding construction method, the grinding machine comprises an underframe mechanism, a handrail mechanism and a grinding mechanism, and the grinding mechanism is used for installing a grinding assembly. The bottom frame mechanism comprises a base, an adjusting seat, an adjusting rod assembly and a trundle assembly, and the adjusting rod assembly lifts and movably adjusts the opening and closing angle of the base and the adjusting seat so as to adjust the grinding plane of the grinding mechanism to be parallel to a preset plane. The grinding mechanism comprises a power assembly, a damping assembly and a protective cover assembly, the damping assembly and the grinding assembly are located in the in-cover space of the protective cover assembly, the grinding assembly is installed on the damping assembly, and the damping assembly elastically buffers the grinding assembly. The trundle assembly is installed on the adjusting seat, the adjusting rod assembly, the adjusting seat and the base form a triangular adjusting mechanism, and adjustment of the grinding plane of the grinding assembly is achieved. The damping assembly achieves damping on the basis that the grinding plane is kept stable, micro-vibration grinding of the grinding assembly can be achieved, and the ground construction quality is greatly improved.

Description

Technical Field

[0001] The present invention relates to the technical field of polishing, in particular to a grinding machine and a ground level grinding construction method. Background Art

[0002] During polishing, leveling, or maintenance of floor tiles or other construction surfaces, a grinding wheel, polishing wheel, or other type of grinding assembly mounted on a grinder grinds the surface to remove surface dirt or uneven areas, thereby ensuring that the construction surface meets pre-set design requirements. For example, Chinese patent CN222779267U discloses a grinding machine for road surfaces.

[0003] However, in the current grinder, the grinding plane of the grinding assembly is adjusted through the installation structure between the grinding plate and the drive motor. Not only is the adjustment structure complicated, but as the grinder moves, the grinding plane will be affected by the ups and downs of the construction plane, thereby affecting the construction quality of the grinding surface. In addition, the construction ground will have ups and downs, and the grinder directly uses rigid grinding tools for construction, which is very likely to cause impact, resulting in excessive vibration impacting the construction ground, thereby affecting the surface quality of the construction ground. Therefore, improvement is needed. Summary of the Invention

[0004] In order to overcome the problems existing in the related art, the embodiments of the present invention provide a grinder and a ground grinding construction method to solve the technical problems that the grinding plane of the grinding component is difficult to adjust and the grinding component impacts the ground and affects the construction quality.

[0005] According to a first aspect of an embodiment of the present invention, a grinding machine is provided, comprising a base frame mechanism, an armrest mechanism mounted on the base frame mechanism, and a grinding mechanism, wherein the grinding mechanism is used to mount a grinding assembly, the base frame mechanism comprising a base, an adjustment seat hingedly connected to the base, an adjustment rod assembly mounted on the base, and a caster assembly mounted on the adjustment seat, the grinding mechanism being mounted on the base, the hinge axis of the adjustment seat being located between the armrest mechanism and the grinding mechanism, the adjustment rod assembly being connected to a movable end of the adjustment seat, the adjustment rod assembly being movable up and down to adjust an opening and closing angle of the base and the adjustment seat, so as to adjust a grinding plane of the grinding mechanism to be parallel to a preset plane; The grinding mechanism includes a power component, a shock absorbing component and a protective cover component. The protective cover component is installed on the base, the shock absorbing component is installed on the power component, the shock absorbing component and the grinding component are located in the cover space of the protective cover component, the grinding component is installed on the shock absorbing component, and the shock absorbing component elastically buffers the grinding component.

[0006] In one embodiment, the adjustment rod assembly includes a lifting seat, a movable rod installed on the lifting seat, and a universal joint installed on the movable rod, and the universal joint is connected to the adjustment seat via a rotating shaft.

[0007] In one embodiment, a leveling display assembly is mounted on the upper surface of the base, and the leveling display assembly is equipped with a spirit level.

[0008] In one embodiment, the shock absorbing assembly includes an upper connecting seat, a lower connecting seat and a shock absorbing block. The upper connecting seat is installed on the output shaft of the power assembly. A plurality of first fasteners avoid the upper connecting seat and then pass through the shock absorbing block to be connected to the lower connecting seat. A plurality of second fasteners avoid the lower connecting seat and then pass through the shock absorbing block to be connected to the upper connecting seat. The first fasteners and second fasteners are distributed alternately.

[0009] In one embodiment, the caster assembly includes a synchronization frame, a left caster and a right caster, the left caster and the right caster are rotatably connected to the adjustment seat through adjustment shafts, and the synchronization frame is eccentrically connected to the left caster and the right caster.

[0010] In one embodiment, the caster assembly further includes a steering locking member, which locks the adjusting shaft and the adjusting seat.

[0011] In one embodiment, the protective cover assembly is rotatably connected to the base.

[0012] In one embodiment, the protective cover assembly includes a cover body, a dustproof part installed on the cover body, and a guide wheel. A lateral opening is provided on one side of the cover body, and the guide wheels are distributed on both sides of the lateral opening. The rotating surface of the grinding assembly is tangent to or partially exceeds the plane of the lateral opening.

[0013] In one embodiment, the grinding machine further includes a negative pressure component, which passes through the base and is connected to the space inside the protective cover assembly.

[0014] According to a second aspect of an embodiment of the present invention, a floor level grinding construction method is provided, using the grinding machine described above, the floor level grinding construction method comprising: S101, moving the grinder to the starting position; S102, raising and lowering the adjustment base relative to the adjustment seat by adjusting the rod assembly so that the grinding plane of the grinding assembly is parallel to the preset plane; S103, adjusting the moving direction of the caster assembly to be parallel to the extending direction of the grinding surface; S104, start the grinding mechanism and move along the grinding surface.

[0015] The technical solution provided by the embodiments of the present invention may include the following beneficial effects: the adjustment seat and the base are hingedly connected and the adjustment seat is located below the base, the caster assembly is installed on the adjustment seat, the adjustment rod assembly, the adjustment seat and the base constitute a triangular adjustment mechanism, and the angle of the base can be adjusted by changing the length of the adjustment rod assembly. The grinding mechanism is located at the other end of the base, and the angle of the grinding mechanism can be adjusted as the angle of the base changes, thereby achieving adjustment of the grinding plane of the grinding assembly, greatly improving the convenience of adjustment. The grinding mechanism is provided with a shock-absorbing assembly, which achieves shock absorption on the basis of maintaining the stability of the grinding plane, and can achieve micro-vibration grinding of the grinding assembly. The grinding assembly can adaptively grind the construction plane to a preset plane that meets the adjustment, greatly improving the quality of ground construction. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0017] Figure 1 FIG1 is a schematic structural diagram of a grinding machine according to an embodiment.

[0018] Figure 2 is a schematic diagram showing the assembly of a base mechanism and a grinding mechanism according to one embodiment.

[0019] Figure 3 yes Figure 2 Schematic cross-sectional view of .

[0020] Figure 4 is a schematic diagram illustrating a shock absorbing assembly according to an embodiment.

[0021] Figure 5 FIG. 1 is an exploded schematic diagram illustrating a shock absorbing assembly according to an embodiment.

[0022] Figure 6 The figure is a schematic diagram showing the assembly of an adjustment seat and a caster assembly according to one embodiment.

[0023] Figure 7 The figure is a schematic diagram showing the assembly of the protective cover assembly and the base according to one embodiment.

[0024] In the figure, the chassis mechanism 10; the base 11; the tubular protrusion 111; the adjustment seat 12; the adjustment rod assembly 13; the universal joint 131; the rotating shaft 132; the movable rod 133; the lifting seat 134; the caster assembly 14; the left caster 141; the roller 1411; the connecting frame 1412; the adjustment shaft 1413; the right caster 142; the synchronization frame 143; the steering lock 144; the leveling display assembly 15; the armrest mechanism 20; the grinding wheel 141 ... Grinding mechanism 30; protective cover assembly 31; cover body 311; lateral opening 3111; dustproof part 312; guide wheel 313; patch 314; power assembly 32; shock absorbing assembly 33; shock absorbing block 331; through hole 3311; buffer boss 3312; upper connecting seat 332; hole avoidance gap 3321; lower connecting seat 333; first fastener 334; second fastener 335; grinding assembly 34; negative pressure assembly 40. DETAILED DESCRIPTION

[0025] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inside", "outside" and the like indicate directions or positional relationships, they are based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting the present invention. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0026] like Figures 1 to 3 As shown, the present invention provides a grinding machine comprising a base frame 10, an armrest 20 mounted on the base frame 10, and a grinding mechanism 30. The grinding mechanism 30 is adapted to mount a grinding assembly 34. The grinding assembly 34 can utilize a grinding wheel, polishing pad, lapping disc, felt wheel, or other abrasive components to achieve surface grinding and / or polishing. The armrest 20 and the grinding mechanism 30 are located at opposite ends of the base frame 10, with the armrest 20 protruding from the base frame 10 to facilitate manual movement.

[0027] The chassis mechanism 10 includes a base 11, an adjustment seat 12, an adjustment rod assembly 13, and a caster assembly 14. The adjustment seat 12 is hingedly connected to the base 11, with the hinge axis of the adjustment seat 12 located between the armrest mechanism 20 and the grinding mechanism 30. The caster assembly 14 is mounted on the movable end of the adjustment seat 12. The adjustment rod assembly 13 is mounted on the base 11, and the movable end of the adjustment rod assembly 13 is connected to the movable end of the adjustment seat 12. That is, the adjustment rod assembly 13 can be extended and adjusted in length, which can change the distance between the movable ends of the base 11 and the adjustment seat 12, and thus adjust the opening and closing angle of the movable ends of the base 11 and the adjustment seat 12. The free end of the adjustment seat 12 is mounted on the grinding surface via the caster assembly 14, and the grinding mechanism 30 is mounted on the base 11. Accordingly, the base 11 is raised and lowered as the adjustment rod assembly 13 is extended and retracted, and the grinding plane of the grinding mechanism 30 can be adjusted to be parallel to a preset plane.

[0028] The adjustment seat 12 and the base 11 are hingedly connected and the adjustment seat 12 is located below the base 11. The caster assembly 14 is installed on the adjustment seat 12. The adjustment rod assembly 13, the adjustment seat 12 and the base 11 constitute a triangular adjustment mechanism. The angle of the base 11 can be adjusted by changing the length of the adjustment rod assembly 13. The grinding mechanism 30 is located at the other end of the base 11. The angle of the grinding mechanism 30 can be adjusted as a whole as the angle of the base 11 changes, thereby realizing the grinding plane adjustment of the grinding assembly 34, greatly improving the convenience of adjustment.

[0029] The grinding mechanism 30 includes a power assembly 32, a shock-absorbing assembly 33, and a protective cover assembly 31. The protective cover assembly 31 is a housing structure and is mounted below the base 11. A housing space is defined within the protective cover assembly 31. The power assembly 32 is mounted above the base 11. The output shaft of the power assembly 32 passes through the base 11 and the protective cover assembly 31 and is assembled and connected to the shock-absorbing assembly 33. The grinding assembly 34 is mounted on the shock-absorbing assembly 33. Both the shock-absorbing assembly 33 and the grinding assembly 34 are located within the housing space of the protective cover assembly 31.

[0030] Grinding mechanism 30 is equipped with a shock-absorbing assembly 33, which elastically cushions grinding assembly 34. Shock-absorbing assembly 33 achieves vibration reduction while maintaining the stability of the grinding surface, enabling micro-vibration grinding by grinding assembly 34. Grinding assembly 34 can adaptively grind the construction surface to a preset, adjusted surface, significantly improving floor construction quality. Preferably, the shock-absorbing assembly is a planar, elastically deformable member that can provide shock absorption at any circumferential angle.

[0031] Preferably, the center lines of the power component 32 and the shock absorbing component 33 coincide, so that the gravity of the power component 32 acts on the shock absorbing component 33, and then is transmitted to the grinding component 34. The self-weight can complete the grinding pressure application of the grinding component 34, thereby reducing the counterweight requirement of the grinding component 34.

[0032] Furthermore, the diameter of the grinding assembly 34 is greater than or equal to half of the space within the protective cover assembly 31, and the diameter of the grinding assembly 34 is much larger than the diameter of the connection part of the grinding assembly 34, so that the grinding assembly 34 can expand the shock absorption area and improve the shock absorption effect of the grinding assembly 34 in all directions.

[0033] The adjustment rod assembly 13 can be raised and lowered. In one embodiment, the adjustment rod assembly 13 includes a lifting base 134, a movable rod 133, and a universal joint 131. The universal joint 131 is provided with a connecting hole through which a rotating shaft 132 is inserted. Both ends of the rotating shaft 132 extend through the universal joint 131 and connect to the adjustment base 12, thereby driving the adjustment base 12 to rise and fall. Preferably, the universal joint 131 can be a bull's eye bearing or a universal ball bearing.

[0034] The movable rod 133 is mounted on the lifting seat 134 for lifting, and the universal joint 131 is mounted on the end of the movable rod 133. Preferably, the movable rod 133 and the lifting seat 134 are screwed together to achieve infinite rotation and self-locking. The height adjustment of the grinding assembly 34 can be fine-tuned, greatly improving the convenience of adjusting the inclination angle of the grinding surface.

[0035] Furthermore, the adjustment base 12 is provided with a through-hole through which a universal joint 131 passes. The universal joint 131 is connected to the lower portion of the adjustment base 12 via a rotating shaft 132. The through-hole is a through-hole structure, and the adjustment rod assembly 13 passes through the through-hole, thereby lengthening the adjustment rod assembly 13 and increasing the adjustment range of the adjustment rod assembly 13. Furthermore, the passage of the adjustment rod assembly 13 through the through-hole ensures that the base 11 and the adjustment base 12 are aligned horizontally.

[0036] Furthermore, the adjustment seat 12 is set as a bending structure, which can enable the base 11 to swing in the positive and negative angle directions relative to the adjustment seat 12 in the horizontal plane, further improving the adjustment angle of the adjustment seat 12 and the base 11, so that the grinding mechanism 30 can adapt to more flexible grinding scenarios.

[0037] In one embodiment, a leveling display assembly 15 is mounted on the upper surface of the base 11 and is equipped with a spirit level. The leveling display assembly 15 can display the adjusted angle of the base 11 and, further, the corresponding horizontal angle. Preferably, the spirit level can intuitively display the current grinding angle of the grinding surface, facilitating real-time observation by the operator. Optionally, the spirit level can be a bubble level or an electronic level.

[0038] Preferably, the leveling display assembly 15 includes two levels that intersect vertically to achieve flatness adjustment.

[0039] In one embodiment, the shock absorbing assembly 33 includes an upper connecting seat 332, a lower connecting seat 333 and a shock absorbing block 331. The upper connecting seat 332 is installed on the output shaft of the power assembly 32. A plurality of first fasteners 334 avoid the upper connecting seat 332 and then pass through the shock absorbing block 331 to be connected to the lower connecting seat 333. A plurality of second fasteners 335 avoid the lower connecting seat 333 and then pass through the shock absorbing block 331 to be connected to the upper connecting seat 332. The first fasteners 334 and the second fasteners 335 are distributed alternately.

[0040] like Figures 3 to 5 As shown, the upper connecting seat 332 and the lower connecting seat 333 are rigid structural members, while the shock absorber 331 is an annular elastic structural member. The first fastener 334 and the second fastener 335 are long bolts. The shock absorber 331 is provided with a plurality of spaced through holes 3311, which are perpendicular to the opposite end surfaces of the shock absorber 331. The first fastener 334 secures the shock absorber 331 to the lower connecting seat 333, while the second fastener 335 secures the shock absorber 331 to the upper connecting seat 332. Accordingly, the shock absorber 331 can vibrate while maintaining a stable connection between the upper connecting seat 332 and the lower connecting seat 333.

[0041] The shock-absorbing block 331 can be made of rubber. Preferably, the shock-absorbing block 331 is annular. Preferably, buffer bosses 3312 are provided at both ends of the through-hole 3311, with the upper connecting seat 332 and the lower connecting seat 333 abutting against the buffer bosses 3312. Furthermore, the thickness of the shock-absorbing block 331 is greater than 40 mm to ensure a sufficient shock-absorbing effect while maintaining the steady pressure movement of the grinding assembly 34, keeping the grinding plane parallel, and promptly eliminating the vibration generated during the grinding process.

[0042] Preferably, the upper connecting seat 332 and the lower connecting seat 333 are provided with a hole-avoiding notch 3321. The hole-avoiding notch 3321 of the upper connecting seat 332 avoids the end of the first fastener 334, and the hole-avoiding notch 3321 of the lower connecting seat 333 avoids the end of the second fastener 335. The hole-avoiding notch allows a tool such as a sleeve to pass through, facilitating the disassembly and assembly of the first fastener 334 and the second fastener 335.

[0043] Further preferably, the lower connecting seat 333 is provided with an assembly hole, and the grinding assembly 34 is detachably connected to the assembly hole to achieve quick disassembly and assembly.

[0044] like Figure 2 、 Figure 3 and Figure 6As shown, in one embodiment, the caster assembly 14 includes a synchronization frame 143, a left caster 141, and a right caster 142. The left caster 141 and the right caster 142 are rotatably connected to the adjustment base 12 via an adjustment shaft 1413. The synchronization frame 143 is eccentrically connected to the left caster 141 and the right caster 142. The left caster 141 and the right caster 142 are connected via the synchronization frame 143 to achieve synchronized movement of the left caster 141 and the right caster 142. For example, the left caster 141 and the right caster 142 can move at the same angle, allowing the grinder to move linearly.

[0045] The left caster 141 and the right caster 142 are symmetrical structures, and the left caster 141 is taken as an example for exemplary description.

[0046] The left caster 141 includes a connecting frame 1412, and the connecting frame 1412 includes a horizontal part and a vertical part. The roller 1411 is connected to the vertical part through an axis. The adjustment axis 1413 is vertically fixed to the horizontal part and spaced apart from the vertical part. The axis center line of the roller 1411 is perpendicular to the center line of the adjustment axis 1413.

[0047] The synchronous frame 143 is connected to the horizontal portion and can drive the roller 1411 to rotate around the adjustment shaft 1413. The left caster 141 and the right caster 142 are connected by the synchronous frame 143 to achieve synchronous rotation. The adjustment seat 12 is provided with a rotation hole, and the adjustment shaft 1413 is inserted into the rotation hole.

[0048] Furthermore, the caster assembly 14 includes a steering lock 144 that locks the adjustment shaft 1413 and the adjustment base 12. When the steering lock 144 releases the adjustment shaft 1413, the adjustment shaft 1413 drives the rollers 1411 to reverse direction. By locking the adjustment shaft 1413 with the steering lock 144, the two rollers 1411 maintain parallel rotational directions, enabling linear movement and enabling the grinding mechanism 30 to perform linear grinding.

[0049] like Figure 3 and Figure 7 As shown, in one embodiment, the protective cover assembly 31 is rotatably connected to the base 11. The protective cover assembly 31 has a cover body 311 structure. The protective cover assembly 31 and the base 11 are rotatable, and the grinding assembly 34 rotates around the central axis, which can achieve flat surface grinding and side edge and corner grinding, greatly improving grinding flexibility.

[0050] Preferably, the chassis mechanism 10 includes a tubular protrusion 111 protruding from the lower surface of the base 11. The distal end of the tubular protrusion 111 is provided with an outwardly protruding snap ring. The protective cover assembly 31 is sleeved onto the tubular protrusion 111 and rises and falls along it. The upper end of the protective cover assembly 31 is movable between the snap ring and the base 11, while the lower end of the protective cover assembly 31 is configured to flexibly engage or approach the grinding surface to form a closed grinding operation space.

[0051] Optionally, the protective cover assembly 31 is configured as a circular cover body 311 structure or a polygonal cover body structure.

[0052] In a preferred embodiment, the protective cover assembly 31 includes a cover body 311, a dust guard 312 mounted on the cover body 311, and a guide wheel 313. The cover body 311 is configured as a thin-walled, annular structure with a hollow interior to accommodate the grinding assembly 34. The dust guard 312 is mounted on the cover body 311 and surrounds the opening of the cover body 311, thereby creating a flexible contact between the ground and the protective cover assembly 31, preventing the escape of grinding dust. Optionally, the dust guard 312 is configured as a rubber ring or a brush with bundled bristles.

[0053] Furthermore, a side opening 3111 is provided on one side of the cover 311. This open structure allows for grinding corners of buildings. Furthermore, guide wheels 313 are located on either side of the side opening 3111, with the guide wheels 313 and the plane of the side opening 3111 being tangential. Alternatively, the guide wheels 313 slightly extend beyond the plane of the side opening 3111 to guide the cover 311 in translation along a straight wall, achieving precise corner grinding. Optionally, the protective cover assembly 31 includes a patch 314 that is detachably connected to the cover 311 to seal the side opening 3111.

[0054] Further preferably, the guide wheel 313 is movably connected to the cover 311, and the height of the guide wheel 313 above the plane of the lateral opening 3111 can be adjusted to adapt to the lateral spacing grinding requirements of different straight wall surfaces. For example, the guide wheel 313 is mounted on the side of the cover 311 via a stud to realize lateral position adjustment.

[0055] The rotating surface of the grinding assembly 34 is tangential to or partially extends beyond the plane of the lateral opening 3111, thereby being able to grind the corners of straight wall surfaces, with good grinding effect at corners. Among them, the guide wheel 313 moves in close contact with the straight wall surface to maintain plane movement, and the right-angle grinding effect at corners is good.

[0056] In one embodiment, the grinding machine further includes a negative pressure assembly 40, which passes through the base 11 and communicates with the space within the protective cover assembly 31. The negative pressure assembly 40 acts as a dust collection assembly, creating a low-pressure environment within the space within the cover, thereby extracting dust generated by the grinding assembly 34 and preventing dust from overflowing.

[0057] Preferably, the dust suction pipe of the negative pressure assembly 40 is connected to the tubular protrusion 111 to form a stable connection structure, and the rotation of the cover body 311 will not affect the movement of the dust suction pipe.

[0058] The present invention also discloses a ground level grinding construction method for grinding the ground using the grinding machine. The ground level grinding construction method comprises: S101: Move the grinder to its starting position. The grinder is moved by the caster assembly 14, which is located at the rear end of the base frame 10 and is tilted by the armrest mechanism 20 to facilitate movement. After the grinder moves to the initial position, the grinding assembly 34 is aligned to the initial position of the grinding surface. This initial position can be the grinding plane or the corner of the grinding surface.

[0059] S102, the base 11 is raised and lowered by the adjusting rod assembly 13 to rotate relative to the adjusting seat 12, so that the grinding plane of the grinding assembly 34 is parallel to the preset plane. The adjusting rod assembly 13 is raised and lowered to drive the base 11 to swing relative to the adjusting seat 12, so that the grinding plane is basically parallel to the horizontal plane. The operator can adjust the grinding plane according to the leveling display assembly 15. The grinding plane of the grinding assembly 34 is parallel to the installation plane of the leveling display assembly 15 on the base 11. The adjusting rod assembly 13 telescopically moves to change the relative angle between the base 11 and the adjusting seat 12 to achieve angle adjustment, and the adjustment end of the adjusting rod assembly 13 is universally adjustable and can adapt to any angle adjustment.

[0060] S103 adjusts the movement direction of the caster assembly 14 parallel to the extension direction of the grinding surface. The caster assembly 14 is rotatably connected to the adjustment base 12 via the adjustment shaft 1413, enabling rotation. The synchronization frame 143 connects the left caster 141 and the right caster 142 to achieve synchronized movement. After the movement angles of the left and right casters 141 and 142 are locked in position, the left and right casters 141 and 142 can only move in a linear direction, improving the accuracy of the linear movement during construction.

[0061] S104, starting the grinding mechanism 30 and moving it along the grinding surface to grind the designated area.

[0062] Furthermore, as the grinding time continues, the grinding sheet will wear out; accordingly, it is necessary to judge the wear state of the grinding sheet and the grinding state of the ground.

[0063] S105: Determine whether the wear of the grinding assembly 34 meets a preset value. The wear of the grinding assembly 34 can be determined based on the grinding state of the grinding surface. For example, if the grinding surface shows an inclination after grinding, as observed by the leveling display assembly 15, the wear of the grinding assembly 34 is excessive. Alternatively, if the distance between the grinding assembly 34 and the grinding surface exceeds a preset value, or if the thickness of the grinding assembly 34 is less than a preset value, the wear of the grinding assembly 34 exceeds the preset value.

[0064] When the wear of the grinding assembly 34 exceeds a preset value, the adjusting rod assembly 13 is used to raise and lower the adjustment base 11 relative to the adjustment base 12 until the grinding surface of the grinding assembly 34 meets the standard value. The adjusting rod assembly 13 adopts a threaded structure, which can achieve fine angle adjustment of the base 11, thereby achieving precise position adjustment of the grinding assembly 34.

[0065] It should be understood that the present invention is not limited to the exact construction described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A grinding machine, comprising a base frame, an armrest mechanism mounted on the base frame, and a grinding mechanism, wherein the grinding mechanism is used to mount a grinding assembly, and is characterized in that: The chassis mechanism includes a base, an adjustment seat hingedly connected to the base, an adjustment rod assembly mounted on the base, and a caster assembly mounted on the adjustment seat. The grinding mechanism is mounted on the base, and the hinge axis of the adjustment seat is located between the armrest mechanism and the grinding mechanism. The adjustment rod assembly is connected to the movable end of the adjustment seat. The adjustment rod assembly is movable to adjust the opening and closing angle of the base and the adjustment seat, so as to adjust the grinding plane of the grinding mechanism to be parallel to the preset plane. The grinding mechanism includes a power component, a shock absorbing component and a protective cover component. The protective cover component is installed on the base, the shock absorbing component is installed on the power component, the shock absorbing component and the grinding component are located in the cover space of the protective cover component, the grinding component is installed on the shock absorbing component, and the shock absorbing component elastically buffers the grinding component.

2. The grinding machine according to claim 1, characterized in that The adjusting rod assembly includes a lifting seat, a movable rod installed on the lifting seat, and a universal joint installed on the movable rod. The universal joint is connected to the adjusting seat through a rotating shaft.

3. The grinding machine according to claim 1, characterized in that A leveling display assembly is installed on the upper surface of the base, and the leveling display assembly is equipped with a spirit level.

4. The grinding machine according to claim 1, characterized in that The shock absorbing assembly includes an upper connecting seat, a lower connecting seat and a shock absorbing block. The upper connecting seat is installed on the output shaft of the power assembly. A plurality of first fasteners avoid the upper connecting seat and then pass through the shock absorbing block to be connected to the lower connecting seat. A plurality of second fasteners avoid the lower connecting seat and then pass through the shock absorbing block to be connected to the upper connecting seat. The first fasteners and the second fasteners are distributed alternately.

5. The grinding machine according to claim 1, characterized in that The caster assembly includes a synchronous frame, a left caster and a right caster. The left caster and the right caster are rotatably connected to the adjustment seat through an adjustment shaft. The synchronous frame is eccentrically connected to the left caster and the right caster.

6. The grinding machine according to claim 5, characterized in that The caster assembly further includes a steering locking member, which locks the adjusting shaft and the adjusting seat.

7. The grinding machine according to claim 1, characterized in that The protective cover assembly is rotatably connected to the base.

8. The grinding machine according to claim 7, characterized in that The protective cover assembly includes a cover body, a dustproof part installed on the cover body, and a guide wheel. A lateral opening is provided on one side of the cover body, and the guide wheels are distributed on both sides of the lateral opening. The rotating surface of the grinding assembly is tangent to or partially exceeds the plane of the lateral opening.

9. The grinding machine according to any one of claims 1 to 8, characterized in that The grinding machine further includes a negative pressure component, which passes through the base and is connected to the inner space of the protective cover assembly.

10. A ground grinding construction method, characterized in that: Using the grinding machine according to any one of claims 1 to 9, the ground grinding construction method includes: S101, moving the grinder to the starting position; S102, raising and lowering the adjustment base relative to the adjustment seat by adjusting the rod assembly so that the grinding plane of the grinding assembly is parallel to the preset plane; S103, adjusting the moving direction of the caster assembly to be parallel to the extending direction of the grinding surface; S104, start the grinding mechanism and move along the grinding surface.

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