Concrete floor grinding machine

Abstract

The utility model relates to the field of ground grinding, and discloses a concrete ground grinding machine which comprises a supporting frame, the supporting frame is of a cubic frame structure, the upper portion of the supporting frame is fixedly connected with a flat plate, and the lower portion of the supporting frame is fixedly connected with two transverse plates. A first sliding rod, a second sliding rod and a third sliding rod are arranged between the inner bottom wall of the flat plate and the upper portion of the transverse plate, the first sliding rod, the second sliding rod and the third sliding rod on the two sides are distributed left and right, the two ends of the first sliding rod, the two ends of the second sliding rod and the two ends of the third sliding rod are fixedly connected with the inner bottom wall of the flat plate and the upper portion of the transverse plate respectively, and the first sliding rod, the second sliding rod and the third sliding rod are arranged in parallel. The first sliding rod, the second sliding rod and the third sliding rod on one side are distributed at equal intervals, and the second sliding rod is arranged between the first sliding rod and the third sliding rod. The sliding blocks are fixedly connected to the outer side wall of the mounting box, and the left sliding block and the right sliding block are fixedly connected to the left outer side wall and the right outer side wall of the mounting box correspondingly; the front of the mounting box is open.

Description

Technical Field

[0001] The utility model relates to the field of floor grinding, in particular to a concrete floor grinding machine. Background Art

[0002] Floor grinders are mainly used for grinding and polishing the floor. They can effectively polish the concrete surface, epoxy mortar layer, epoxy floor, etc. They are light, flexible and efficient. In municipal construction, floor grinders are often needed to polish concrete floors. Currently, the grinding heads of floor grinders are all fixed in height. When moving, the grinding heads are manually tilted up, and when grinding, the grinding heads are manually pressed down for grinding. The stability of the grinding cannot be maintained, and the grinding efficiency is low. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings, the utility model provides a concrete floor grinding machine.

[0004] The technical solution adopted by this utility model:

[0005] A concrete floor grinder comprises a support frame, which is a cubic frame structure. The upper part of the support frame is fixedly connected to a flat plate, and the lower part of the support frame is fixedly connected to two horizontal plates. A slide bar 1, a slide bar 2 and a slide bar 3 are provided between the inner bottom wall of the flat plate and the upper part of the horizontal plate. The slide bars 1, the slide bar 2 and the slide bar 3 on both sides are distributed left and right, and the two ends of the slide bar 1, the slide bar 2 and the slide bar 3 are respectively fixedly connected to the inner bottom wall of the flat plate and the upper part of the horizontal plate. The slide bars 1, the slide bar 2 and the slide bar 3 are respectively arranged in parallel, and the slide bars 1, the slide bar 2 and the slide bar 3 on one side are equally spaced, and the slide bar 2 is between the slide bar 1 and the slide bar 3; the outer walls of the slide bars 1 and the slide bar 3 are slidably sleeved with sliders respectively, and the sliders are fixedly connected to the outer side walls of the installation box, and the left and right sliders are respectively fixedly connected to the left and right outer side walls of the installation box; the front opening of the installation box has a box door embedded in the front opening of the installation box, and the front of the installation box is A hinge is arranged on the right side wall of the face, and the front side of the installation box is rotatably connected to the box door through the hinge. A latch is arranged between the left side of the front side of the box door and the right side outer wall of the installation box. Heat dissipation holes are provided on the outer walls of the box door and the installation box. The top of the flat plate is fixedly connected to the telescopic cylinder, and the piston rod of the telescopic cylinder passes through the flat plate. The piston rod of the telescopic cylinder slides with the flat plate, and the bottom of the piston rod of the telescopic cylinder is fixedly connected to the top of the installation box. A motor is fixedly connected inside the installation box, and the output shaft of the motor passes through the bottom of the installation box. The output shaft of the motor is rotatably connected to the bottom of the installation box, and the output shaft of the motor is fixedly connected to a grinding head. The grinding head is between two horizontal plates. The four corners of the bottom of the support frame are rotatably connected to universal wheels, and a handle is fixedly connected to the top of the left side of the support frame; the upper parts of the left and right outer walls of the installation box are respectively fixedly connected to guide sleeves, and the guide sleeves are slidably sleeved on the two outer walls of the slide rod.

[0006] Beneficial effects of the utility model:

[0007] The grinding head is kept parallel to the ground through four universal wheels and a supporting frame, and the mounting box and the motor are pushed downward along the slide bar as a whole by a telescopic cylinder, so that the grinding head is against the ground to grind the ground. The grinding stroke is simple, direct and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the structure of the utility model;

[0009] Figure 2 It is a schematic diagram of the bottom perspective of the utility model;

[0010] Figure 3 It is a cross-sectional view of the utility model.

[0011] The specific reference numerals in all the drawings are: 1. support frame; 201. slide bar one; 202. slide bar two; 203. slide bar three; 3. slider; 4. installation box; 5. hinge; 6. box door; 7. heat dissipation hole; 8. latch; 9. telescopic cylinder; 10. motor; 11. grinding head; 12. universal wheel; 13. handle; 14. flat plate; 15. cross plate; 16. guide sleeve. DETAILED DESCRIPTION

[0012] like Figure 1-3As shown: A concrete floor grinding machine comprises a support frame 1, the support frame 1 is a cubic frame structure, the upper part of the support frame 1 is fixedly connected to a flat plate (14), the lower part of the support frame 1 is fixedly connected to two horizontal plates 15, a slide bar 1 201, a slide bar 202 and a slide bar 3 203 are arranged between the inner bottom wall of the flat plate 14 and the upper part of the horizontal plate 15, the slide bars 1 201, the slide bars 202 and the slide bars 3 203 on both sides are distributed left and right, and the two ends of the slide bars 1 201, the slide bars 202 and the slide bars 3 203 are respectively connected to the flat plate 14 The inner bottom wall is fixedly connected to the upper part of the horizontal plate 15, and the slide bar 1 201, the slide bar 202 and the slide bar 3 203 are respectively arranged in parallel, and the slide bar 1 201, the slide bar 202 and the slide bar 3 203 on one side are evenly spaced, and the slide bar 202 is between the slide bar 1 201 and the slide bar 3 203; the outer walls of the slide bar 1 201 and the slide bar 3 203 are slidably sleeved with the slider 3 respectively, and the slider 3 is fixedly connected to the outer wall of the installation box 4, and the left and right sliders 3 are respectively fixedly connected to the left and right outer walls of the installation box 4; the front of the installation box 4 is open, and the installation box A box door 6 is embedded in the front opening of the installation box 4, a hinge 5 is arranged on the right side wall of the front of the installation box 4, the front of the installation box 4 is rotatably connected to the box door 6 through the hinge 5, a latch 8 is arranged between the left side of the front of the box door 6 and the right side outer wall of the installation box 4, and heat dissipation holes 7 are opened on the outer walls of the box door 6 and the installation box 4, the top of the flat plate 14 is fixedly connected to the telescopic cylinder 9, the piston rod of the telescopic cylinder 9 passes through the flat plate 14, the piston rod of the telescopic cylinder 9 is slidably matched with the flat plate 14, and the bottom of the piston rod of the telescopic cylinder 9 is fixedly connected to the top of the installation box 4, and the installation box 4 is installed. A motor 10 is fixedly connected to the inside of the installation box 4, and the output shaft of the motor 10 passes through the bottom of the installation box 4. The output shaft of the motor 10 is rotatably connected to the bottom of the installation box 4, and the output shaft of the motor 10 is fixedly connected to a grinding head 11. The grinding head 11 is between two horizontal plates 15. The four bottom corners of the support frame 1 are rotatably connected to universal wheels 12, and a handle 13 is fixedly connected to the top left side of the support frame 1; the upper parts of the left and right outer walls of the installation box 4 are respectively fixedly connected to guide sleeves 16, and the guide sleeves 16 are slidably sleeved to the outer wall of the slide rod 202.

[0013] The handle 13 and the universal wheel 12 are used to push the support frame 1 to the position where grinding is required, and the universal wheel 12 is fixed. The motor 10 drives the grinding head 11 to rotate, and the telescopic cylinder 9 is started to push the installation box 4 to move downward along the slide bar 1 201, the slide bar 202 and the slide bar 3 203, so that the grinding head 11 is against the ground and the ground is ground. The grinding efficiency is high, the heat dissipation holes 7 facilitate the heat dissipation of the motor 10, and the box door 6 is used to facilitate the user to inspect and repair the motor 10.

[0014] The utility model keeps the grinding head 11 parallel to the ground through four universal wheels 12 and a supporting frame 1, and pushes the installation box 4 and the motor 10 as a whole to move downward along the slide bar 2 through the telescopic cylinder 9, so that the grinding head 11 is against the ground to grind the ground. The grinding stroke is simple, direct and efficient, the heat dissipation holes 7 facilitate the heat dissipation of the motor 10, and the box door 6 is used to facilitate the user to inspect and repair the motor 10.

Claims

1. A concrete floor grinding machine, comprising a support frame (1), characterized in that: The support frame (1) is a cubic frame structure. The upper part of the support frame (1) is fixedly connected to the flat plate (14). The lower part of the support frame (1) is fixedly connected to two horizontal plates (15). A slide bar 1 (201), a slide bar 2 (202) and a slide bar 3 (203) are provided between the inner bottom wall of the flat plate (14) and the upper part of the horizontal plate (15). The slide bars 1 (201), the slide bars 2 (202) and the slide bars 3 (203) on both sides are distributed on the left and right. The two ends of the slide bars 1 (201), the slide bars 2 (202) and the slide bars 3 (203) are respectively fixedly connected to the inner bottom wall of the flat plate (14) and the upper part of the horizontal plate (15). The slide bars 1 (201), the slide bars 2 (202) and the slide bars 3 (203) are respectively fixedly connected to the inner bottom wall of the flat plate (14) and the upper part of the horizontal plate (15). The first slide bar (201), the second slide bar (202) and the third slide bar (203) are respectively arranged in parallel, and the first slide bar (201), the second slide bar (202) and the third slide bar (203) on one side are evenly spaced, and the second slide bar (202) is between the first slide bar (201) and the third slide bar (203); the outer walls of the first slide bar (201) and the third slide bar (203) are respectively slidably sleeved with the slider (3), the slider (3) is fixedly connected to the outer wall of the installation box (4), and the left and right sliders (3) are respectively fixedly connected to the left and right outer walls of the installation box (4); the front opening of the installation box (4) is embedded with the box door (6) A hinge (5) is arranged on the right side wall of the front of the installation box (4), and the front of the installation box (4) is connected to a box door (6) by rotating through the hinge (5). A latch (8) is arranged between the left side of the front of the box door (6) and the right side outer wall of the installation box (4). Both the box door (6) and the outer wall of the installation box (4) are provided with heat dissipation holes (7). The top of the flat plate (14) is fixedly connected to the telescopic cylinder (9), and the piston rod of the telescopic cylinder (9) penetrates the flat plate (14). The piston rod of the telescopic cylinder (9) and the flat plate (14) are slidably matched, and the bottom of the piston rod of the telescopic cylinder (9) is fixedly connected to the top of the installation box (4). The installation box (4) A motor (10) is fixedly connected to the interior of the mounting box (4), an output shaft of the motor (10) passes through the bottom of the mounting box (4), the output shaft of the motor (10) is rotatably connected to the bottom of the mounting box (4), the output shaft of the motor (10) is fixedly connected to a grinding head (11), the grinding head (11) is between two horizontal plates (15), the four corners of the bottom of the supporting frame (1) are rotatably connected to universal wheels (12), and a handle (13) is fixedly connected to the top of the left side of the supporting frame (1); the upper parts of the left and right outer walls of the mounting box (4) are respectively fixedly connected to guide sleeves (16), and the guide sleeves (16) are slidably sleeved to the outer wall of the second slide rod (202).

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