Grinding machine for road surface

Abstract

The utility model discloses a grinding machine for a road surface, relates to the technical field of road surface grinding machines, and aims to solve the problems that most of dust collecting boxes of existing road surface grinding machines are fixed in a lock catch mode, angle adjustment and alignment are needed during installation and fixation, the bottom of each dust collecting box lacks a support, and time and labor are wasted during installation. A grinding motor is arranged at the upper end of the grinding mounting frame, a grinding disc assembly is arranged at the lower end of the grinding mounting frame, a dust collecting box is arranged on one side of the grinding motor, and a guide box is arranged at the upper end of the dust collecting box. The limiting rotating plate is arranged on one side of the guiding box, an end base is arranged at one end of the limiting rotating plate, a rotating shaft is arranged at one end of the end base and penetrates through the limiting rotating plate, a ball bearing is arranged outside one end of the rotating shaft, and the rotating shaft is rotationally connected with the guiding box through the ball bearing; and the ball bearing is embedded and fixed in the side edge of the guide box.

Description

Technical Field

[0001] The utility model relates to the technical field of road surface grinding machines, in particular to a grinding machine used for road surfaces. Background Art

[0002] Pavement grinding machine is the name of cement pavement grinding machine. Cement pavement grinding machine is also called cement pavement polishing machine, cement leveling machine or pavement finishing machine. Its function is to grind, polish and level the cement pavement.

[0003] For example, the Chinese patent with announcement number CN202247646U (a new type of road grinding machine): including a dust suction device, a dust bucket, a frame, and a grinding disc mechanism. The dust bucket and the grinding disc mechanism are fixedly installed on the front and rear sides of the frame respectively, and the dust suction device is fixedly installed on the top of the frame. The motor is installed on the fixed frame of the grinding disc mechanism. The lower end of the motor is provided with a motor pulley. The center of this motor pulley is penetrated by a transmission shaft and is coaxially connected with the grinding disc pulley below. The transmission shaft below the grinding disc pulley is successively sleeved with a bearing seat and a grinding disc. The grinding disc is sleeved with a grinding disc protective cover on the outside. A dust suction port is opened on the grinding disc protective cover (outside). The dust suction apron system can be automatically adjusted up and down to always ensure that the dust suction apron is close to the ground. The beneficial effects of the utility model are: safe and light, flexible in operation, and widely applicable, especially for the installation and disassembly of props, which is more convenient and quick; the dust suction effect can be enhanced by setting the dust suction port, making the dust suction work more reasonable; in addition, it is conducive to increasing the hinge setting, making the replacement of the air filter more reasonable and having a longer service life.

[0004] However, the dust collection boxes of the existing road grinders are mostly fixed in the form of locks, which require angle adjustment during installation and fixation, and the bottom lacks support, which makes installation time-consuming and labor-intensive. Therefore, it does not meet the existing needs. In this regard, we propose a road grinder. Utility Model Content

[0005] The purpose of the utility model is to provide a road grinding machine to solve the problem that the dust collection boxes of the existing road grinding machines mentioned in the above background technology are mostly fixed in the form of locks, and the angle needs to be adjusted during installation and fixing, and the bottom lacks support, which makes the installation time-consuming and labor-intensive.

[0006] To achieve the above object, the utility model provides the following technical solution: a road grinding machine, comprising: a grinding mounting frame, a grinding motor is arranged at the upper end of the grinding mounting frame, a grinding disc assembly is arranged at the lower end of the grinding mounting frame, a dust collection box is arranged at one side of the grinding motor, and a guide box is arranged at the upper end of the dust collection box;

[0007] Also includes:

[0008] A limit rotating plate is arranged on one side of the guide box, one end of the limit rotating plate is provided with an end seat, one end of the end seat is provided with a rotating shaft, and the rotating shaft passes through the limit rotating plate, one end of the rotating shaft is provided with a ball bearing on the outside, and the rotating shaft is rotatably connected with the guide box through the ball bearing, and the ball bearing is embedded and fixed inside the side of the guide box;

[0009] The installation slide grooves are arranged on the upper surfaces of both sides of the dust collecting box, and the lower surfaces of both sides of the guide box are provided with installation slide plates, and the installation slide plates move along the installation slide grooves.

[0010] Preferably, a support frame is provided at the lower end of the dust collecting box, a vertical frame is provided between one side of the support frame and the grinding mounting frame, and the support frame and the grinding mounting frame are all welded to the vertical frame.

[0011] Preferably, the front and rear ends of the stand are both provided with moving wheels, and the moving wheels are rotatably connected to the stand via a wheel axle.

[0012] Preferably, a fan is provided at the upper end of the guide box, and connection ports are provided on the side surface and rear surface of the guide box and one side surface of the grinding disc assembly.

[0013] Preferably, a hand push frame is provided at the front and rear surface ends of the vertical frame, and one end of the hand push frame is threadedly fixed to the vertical frame by an external bolt, and a controller is provided at the other end of the hand push frame.

[0014] Preferably, the grinding disc assembly includes a grinding disc and a protective cover, and the grinding disc is fixed to the output end of the grinding motor.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The utility model provides mounting grooves on the upper surfaces of both sides of the dust collection box, mounting slide plates on the lower surfaces of both sides of the guide box, and a limit rotating plate on one side of the guide box. The limit rotating plate rotates along the ball bearing through the rotating shaft. When the dust collection box is installed, the mounting slide plate moves along the mounting groove, which has a directional effect on the movement of the dust collection box, avoiding left and right deviation, improving stability and rapid alignment, and will not deviate due to vibration during use. By rotating the limit rotating plate, the limit rotating plate rotates to the front end of the dust collection box and naturally droops due to gravity, thereby limiting the dust collection box and avoiding it from falling off when moving forward and backward. When the dust collection box needs to be disassembled, it only needs to rotate the limit rotating plate to pull out the dust collection box. Compared with the method of fixing with a lock, it is convenient to quickly fix and disassemble the dust collection box, improving convenience and non-deviability.

[0017] 2. By setting a support frame on one side of the stand, when installing the dust collection box, the dust collection box is placed on the support frame and moved, relying on the support frame for support. Compared with the existing installation from bottom to top using a lock fixing method, the dust collection box is not easy to fall, saving time and effort during installation and disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the overall right side structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the left side structure of the connection between the dust collection box and the guide box of the utility model;

[0021] Figure 4 This is a schematic diagram of the connection structure between the limit rotating plate and the rotating shaft of the utility model;

[0022] In the figure: 1. grinding mounting frame; 2. grinding motor; 3. grinding disc assembly; 4. support frame; 5. stand; 6. moving wheel; 7. dust collection box; 8. guide box; 9. fan; 10. push frame; 11. controller; 12. limit rotating plate; 13. end seat; 14. mounting slide; 15. mounting slide plate; 16. rotating shaft; 17. ball bearing; 18. connecting port. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4 The utility model provides an embodiment: a road surface grinding machine, comprising: a grinding mounting frame 1, a grinding motor 2 is arranged at the upper end of the grinding mounting frame 1, a grinding disc assembly 3 is arranged at the lower end of the grinding mounting frame 1, a dust collecting box 7 is arranged at one side of the grinding motor 2, and a guide box 8 is arranged at the upper end of the dust collecting box 7;

[0025] Also includes:

[0026] A limit rotating plate 12 is arranged at one side of the guide box 8, an end seat 13 is arranged at one end of the limit rotating plate 12, a rotating shaft 16 is arranged at one end of the end seat 13, and the rotating shaft 16 passes through the limit rotating plate 12, a ball bearing 17 is arranged outside one end of the rotating shaft 16, and the rotating shaft 16 is rotatably connected to the guide box 8 through the ball bearing 17, and the ball bearing 17 is embedded and fixed inside the side of the guide box 8;

[0027] The installation slide grooves 14 are arranged on the upper surfaces of both sides of the dust collecting box 7 , and the lower surfaces of both sides of the guide box 8 are provided with installation slide plates 15 , and the installation slide plates 15 move along the installation slide grooves 14 .

[0028] The dust collecting box 7 is pushed toward the stand 5, so that the mounting slide 15 moves along the mounting slide groove 14, which has a directional effect on the movement of the dust collecting box 7, avoids left and right deviation, improves stability and quick alignment, and will not deviate due to vibration during use. After the dust collecting box 7 is pushed to the point where it cannot be pushed further, the limit rotating plate 12 is rotated, and the limit rotating plate 12 is rotated to the front end of the dust collecting box 7, and naturally droops due to gravity, thereby limiting the dust collecting box 7 and avoiding it from falling when moving forward and backward.

[0029] See also Figure 1 A support frame 4 is provided at the lower end of the dust collecting box 7, and a vertical frame 5 is provided between one side of the support frame 4 and the grinding mounting frame 1, and the support frame 4 and the grinding mounting frame 1 are welded and connected with the vertical frame 5. The dust collecting box 7 is supported by the support frame 4, and the dust collecting box 7 is not easy to fall, which saves time and effort during installation and disassembly.

[0030] See also Figure 1 , 2 The front and rear ends of the frame 5 are both provided with moving wheels 6, and the moving wheels 6 are rotatably connected to the frame 5 through a wheel axle, so as to facilitate the overall movement to perform grinding operations on different places of the road surface.

[0031] See also Figure 1 , 2 A fan 9 is provided at the upper end of the guide box 8, and a connecting port 18 is provided on the side surface and rear surface of the guide box 8 and one side surface of the grinding disc assembly 3. The grinding disc assembly 3 includes a grinding disc and a protective cover, and the grinding disc is fixed to the output end of the grinding motor 2. A hand push frame 10 is provided at the front and rear surface ends of the stand 5, and one end of the hand push frame 10 is threadedly fixed to the stand 5 by an external bolt, and a controller 11 is provided at the other end of the hand push frame 10. The connecting port 18 of the grinding disc assembly 3 is connected to the connecting port 18 on the rear surface of the guide box 8 through a hose, and the fan 9 is connected to the connecting port 18 on the side surface of the guide box 8 through a hose. The grinding disc of the grinding disc assembly 3 is driven to rotate by the grinding motor 2 to grind the road surface, and the grinding dust is sucked into the dust collection box 7 for collection through the fan 9.

[0032] Working principle: when in use, place the dust collection box 7 on the upper end of the support frame 4. When putting it in, align the installation slide 14 with the installation slide 15, and then push the dust collection box 7 toward the stand 5, so that the installation slide 15 moves along the installation slide 14, which has a directional effect on the movement of the dust collection box 7, avoids left and right deviations, improves stability and rapid alignment, and will not deviate due to vibration during use. After the dust collection box 7 is pushed to the point where it cannot be pushed any further, rotate the limit rotating plate 12, and the limit rotating plate 12 rotates to the front end of the dust collection box 7, and naturally droops due to gravity, thereby limiting the dust collection box 7. The positioning effect can be achieved to prevent the dust collection box 7 from falling when moving forward and backward. When the dust collection box 7 needs to be disassembled, the dust collection box 7 can be pulled out by simply rotating the limit rotating plate 12, thereby facilitating the quick fixing and disassembly of the dust collection box 7. When in use, the connecting port 18 of the grinding disc assembly 3 is connected to the connecting port 18 on the rear surface of the guide box 8 through a hose, and the fan 9 is connected to the connecting port 18 on the side surface of the guide box 8 through a hose. The grinding motor 2 is used to drive the grinding disc of the grinding disc assembly 3 to rotate, and the road surface is polished. The protective cover is used for safety protection, and the polished dust is sucked into the dust collection box 7 for collection through the fan 9.

[0033] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A road surface grinding machine, comprising a grinding mounting frame (1), a grinding motor (2) being arranged at the upper end of the grinding mounting frame (1), a grinding disc assembly (3) being arranged at the lower end of the grinding mounting frame (1), a dust collecting box (7) being arranged at one side of the grinding motor (2), and a guide box (8) being arranged at the upper end of the dust collecting box (7); Features: Also includes: A limit rotating plate (12) is arranged on one side of the guide box (8), one end of the limit rotating plate (12) is provided with an end seat (13), one end of the end seat (13) is provided with a rotating shaft (16), and the rotating shaft (16) passes through the limit rotating plate (12), one end of the rotating shaft (16) is provided with a ball bearing (17), and the rotating shaft (16) is rotatably connected to the guide box (8) through the ball bearing (17), and the ball bearing (17) is embedded and fixed inside the side of the guide box (8); An installation slide groove (14) is arranged on the upper surfaces of both sides of the dust collection box (7), and an installation slide plate (15) is arranged on the lower surfaces of both sides of the guide box (8), and the installation slide plate (15) moves along the installation slide groove (14).

2. A road grinding machine according to claim 1, characterized in that: A support frame (4) is provided at the lower end of the dust collection box (7), a stand frame (5) is provided between one side of the support frame (4) and the grinding mounting frame (1), and the support frame (4) and the grinding mounting frame (1) are all welded to the stand frame (5).

3. A road grinding machine according to claim 2, characterized in that: The front and rear ends of the stand (5) are both provided with moving wheels (6), and the moving wheels (6) are rotatably connected to the stand (5) via a wheel axle.

4. A road grinding machine according to claim 1, characterized in that: A fan (9) is provided at the upper end of the guide box (8), and a connection port (18) is provided on the side surface and rear surface of the guide box (8) and a side surface of the grinding disc assembly (3).

5. A road grinding machine according to claim 2, characterized in that: A hand push frame (10) is provided at the front and rear surface ends of the vertical frame (5), and one end of the hand push frame (10) is threadedly fixed to the vertical frame (5) by an external bolt, and a controller (11) is provided at the other end of the hand push frame (10).

6. A road surface grinding machine according to claim 1, characterized in that: The grinding disc assembly (3) comprises a grinding disc and a protective cover, and the grinding disc is fixed to the output end of the grinding motor (2).

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