CN216765516U

CN216765516U - Concrete grinding machine

Info

Publication number: CN216765516U
Application number: CN202123241253.2U
Authority: CN
Inventors: 吴挺军
Original assignee: Haikou Urban Construction Engineering Testing And Appraisal Center Co ltd
Current assignee: Haikou Urban Construction Engineering Testing And Appraisal Center Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2022-06-17
Anticipated expiration: 2031-12-21

Abstract

The utility model provides a concrete grinding machine, which comprises a frame, wherein an installation groove is arranged in the frame, and an installation frame driven by a lifting mechanism is connected in the installation groove in a sliding manner; a connecting plate is arranged in the mounting frame, the connecting plate divides the interior of the mounting frame into an upper cavity and a lower cavity, a motor is arranged in the upper cavity, the motor is connected with a rotating shaft extending into the lower cavity, the lower end of the rotating shaft is connected with a polishing disc, and a connecting frame driven by a driving mechanism to reciprocate up and down is arranged in the middle of the rotating shaft; the left side and the right side of the lower end of the connecting frame are respectively provided with a first dust suction port, the first dust suction ports are connected with a dust collection box through a dust suction pump, and the dust collection box is arranged at the upper end of the connecting frame. The automatic concrete grinding device realizes automatic concrete grinding treatment by driving the grinding disc to rotate through the motor; simultaneously at the in-process of polishing, can drive first dust absorption mouth reciprocal lift from top to bottom in the pivoted to carry out abundant absorption with the dust that grinds the flat in-process and produce, avoid the dust diffusion to pollute operational environment.

Description

Concrete grinding machine

Technical Field

The utility model relates to the technical field of road construction equipment, in particular to a concrete grinding machine.

Background

When the concrete is paved on a pavement during road construction, as the concrete needs time for setting, in the final setting process of the concrete, pedestrians or small animals can quickly run over the uncoagulated concrete, so that pit-wave-like marks can be left on the concrete road. Consequently need grind the flat to the hole position of concrete after the concrete condenses to accomplish, present mill flat work is mostly that the manual work grinds the flat to the position of waiting to polish of concrete, but when the manual work ground the concrete, grind flat slow-speed to grind flat effect is not good, and grinds the easy diffusion of dust that the flat process produced and pollute operational environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve at least one of the technical problems in the related art to a certain extent, and therefore, the utility model provides a concrete grinding machine, which realizes automatic grinding treatment on concrete by driving a grinding disc to rotate through a motor; simultaneously at the in-process of polishing, can drive first dust absorption mouth reciprocal lift from top to bottom in the pivoted to carry out abundant absorption with the dust that grinds the flat in-process and produce, avoid the dust diffusion to pollute operational environment.

The technical scheme of the utility model is realized as follows:

a concrete grinding machine comprises a frame, wherein trundles are symmetrically arranged on two sides of the bottom of the frame, a mounting groove is formed in the frame, a mounting frame is connected in the mounting groove in a sliding mode, and the mounting frame is driven to lift by a lifting mechanism; the improved dust collection device is characterized in that a connecting plate is arranged in the mounting frame, the connecting plate divides the interior of the mounting frame into an upper cavity and a lower cavity, a motor is arranged in the upper cavity, the output end of the motor is connected with a rotating shaft extending to the lower cavity, the lower end of the rotating shaft is connected with a polishing disc, a connecting frame driven by a driving mechanism to reciprocate up and down is arranged in the middle of the rotating shaft, first dust collection ports are respectively arranged on the left side and the right side of the lower end of the connecting frame, and the first dust collection ports are connected with a dust collection box through a dust collection pump.

Furthermore, a fixed frame is arranged on the rotating shaft above the connecting frame, the driving mechanism comprises a first bevel gear arranged on the rotating shaft, a second bevel gear is meshed with the left side of the first bevel gear and is rotatably connected to the fixed frame through a second rotating shaft, the second bevel gear is coaxially connected with a first eccentric wheel, and the outer surface of the first eccentric wheel abuts against the upper end of the connecting frame; and a spring is arranged between the lower end of the connecting frame and the lower end of the rotating shaft.

Furthermore, a third bevel gear is meshed with the right side of the first bevel gear, the third bevel gear is coaxially connected with a second eccentric wheel, and the outer peripheral surfaces of the first eccentric wheel and the second eccentric wheel are symmetrically abutted against the left side and the right side of the upper end of the connecting frame; the first eccentric wheel and the second eccentric wheel are the same eccentric wheel, and the third bevel gear and the second bevel gear are the same bevel gear.

Furthermore, a first sliding rail is arranged in the middle of the rotating shaft along the vertical direction, and the connecting frame is connected to the first sliding rail in a sliding mode.

Furthermore, a second dust suction port for absorbing dust at the upper end of the polishing disc is arranged in the middle of the lower end of the connecting frame, and the second dust suction port is communicated with the dust collection box through the dust suction pump.

Further, the inner wall of mounting groove is provided with the second slide rail, mounting bracket sliding connection be in on the second slide rail.

Furthermore, elevating system sets up to electric telescopic handle, the mounting bracket sets up electric telescopic handle's flexible end.

Further, the right side of frame is provided with the installation department, be provided with on the installation department and push away the handle, it includes two pole settings and follows direction sliding connection from top to bottom to push away the handle montant in the pole setting, every equal threaded connection has and is used for locking on the lateral wall of pole setting the locking screw of montant, the upper end of montant is turned over right and is formed with the curved part, two be provided with the horizontal holding rod between the curved part.

Compared with the prior art, the utility model has the beneficial effects that:

according to the automatic grinding and leveling device, the mounting frame driven to lift by the lifting mechanism is arranged in the mounting groove, in the using process, the grinding and leveling machine is firstly moved to the position corresponding to the concrete to be ground, then the lifting mechanism is started to drive the mounting frame to descend, the grinding disc is driven to descend to the position contacting with the concrete to be ground, then the motor is started to drive the grinding disc to rotate, automatic grinding and leveling processing of the hollow position of the concrete is achieved, the grinding speed is high, and the grinding and leveling effect is good; still through be provided with the link that reciprocates up and down by actuating mechanism drive in the middle part of rotation axis, at the in-process that the rotation axis drove the dish of polishing and rotate and grind the paper-back, first dust absorption mouth can be under the drive of rotation axis and actuating mechanism and use the rotation axis to reciprocate the motion of going up and down while rotating as the axle to can be abundant absorb the dust that produces in the process of grinding the paper-back in the dust collection box, avoid the dust to spread the polluted working environment.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of an embodiment of a concrete finisher of the present invention;

FIG. 2 is a schematic structural view of the embodiment of the present invention with the frame and the lifting mechanism removed;

fig. 3 is an enlarged schematic view of a point a in fig. 2.

Reference numerals:

100 frames, 110 castors, 120 mounting grooves and 121 second sliding rails;

210 mounting brackets, 211 upper cavities, 212 lower cavities and 220 connecting plates;

310 motor, 320 rotating shaft, 321 first sliding rail, 330 polishing disc;

410 connecting frame, 420 first dust suction port, 430 dust suction pump, 440 dust box, 450 second dust suction port;

510 a fixed frame, 520 a first bevel gear, 530 a second bevel gear, 540 a second rotating shaft, 550 a first eccentric wheel, 560 a spring, 570 a third bevel gear and 580 a second eccentric wheel;

600 electric telescopic rod;

710 installation part, 720 upright rod, 730 upright rod, 731 bent part and 740 locking screw rod.

Detailed Description

Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as "upper", "lower", "front", "rear", "left", "right", etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if there is any description of "first", "second", etc. for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, a concrete grinding machine according to an embodiment of the present invention includes a frame 100, casters 110 are symmetrically disposed on two sides of the bottom of the frame 100, a mounting groove 120 is disposed in the frame 100, a mounting frame 210 is slidably connected in the mounting groove 120, and the mounting frame 210 is driven by a lifting mechanism to lift; the mounting frame 210 is internally provided with a connecting plate 220, the connecting plate 220 divides the interior of the mounting frame 210 into an upper chamber 211 and a lower chamber 212, the upper chamber 211 is internally provided with a motor 310, the output end of the motor 310 is connected with a rotating shaft 320 extending into the lower chamber 212, the lower end of the rotating shaft 320 is connected with a polishing disc 330, the polishing disc 330 extends out of the lower chamber 212, the middle part of the rotating shaft 320 is provided with a connecting frame 410 driven by a driving mechanism to reciprocate up and down, the left side and the right side of the lower end of the connecting frame 410 are respectively provided with a first dust suction port 420, and the first dust suction port 420 is connected with a dust collection box 440 through a dust suction pump 430. Compared with the prior art, the mounting frame 210 driven to lift by the lifting mechanism is arranged in the mounting groove 120, during use, the grinding machine is moved to a position corresponding to concrete to be ground, then the lifting mechanism is started to drive the mounting frame 210 to descend, the grinding disc 330 is driven to descend to the position contacting with the concrete to be ground, then the motor 310 is started to drive the grinding disc 330 to rotate, automatic grinding processing of the hollow position of the concrete is achieved, grinding speed is high, and grinding effect is good; the connecting frame 410 driven by the driving mechanism to reciprocate up and down is arranged in the middle of the rotating shaft 320, so that in the process of grinding by driving the grinding disc 330 to rotate by the rotating shaft 320, the first dust suction port 420 can rotate around the rotating shaft 320 under the driving of the rotating shaft 320 and the driving mechanism and can reciprocate up and down, thereby fully absorbing dust generated in the grinding process into the dust collection box 440 and avoiding the dust from diffusing to pollute the working environment. It can be understood that the dust box 440 is provided in two, and the two dust boxes 440 are symmetrically provided at the left and right sides of the upper end of the link frame 410, so that the weight of the link frame 410 can be more uniformly applied.

As shown in fig. 2 and 3, in some embodiments of the present invention, a fixed frame 510 is disposed on the rotating shaft 320 above the connecting frame 410, the driving mechanism includes a first bevel gear 520 disposed on the rotating shaft 320, a second bevel gear 530 is engaged with a left side of the first bevel gear 520, the second bevel gear 530 is rotatably connected to the fixed frame 510 through a second rotating shaft 540, a first eccentric 550 is coaxially connected to the second bevel gear 530, and an outer surface of the first eccentric 550 abuts against an upper end of the connecting frame 410; a spring 560 is provided between the lower end of the connecting frame 410 and the lower end of the rotating shaft 320. When the rotating shaft 320 drives the connecting frame 410 to rotate, so that the first dust suction port 420 rotates around the rotating shaft 320, the first eccentric wheel 550 rotates together with the rotating shaft 320 through the meshing relationship between the first bevel gear 520 and the second bevel gear 530, and thus the connecting frame 410 reciprocates up and down once under the synergistic effect of the first eccentric wheel 550 and the spring 560 when the first eccentric wheel 550 rotates for one circle, so that the first dust suction port 420 can do the up and down reciprocating motion while rotating around the rotating shaft 320 during the grinding operation, dust generated during the grinding operation can be fully absorbed into the dust collection box 440, and the dust is prevented from diffusing and polluting the working environment.

As shown in fig. 2, preferably, a third bevel gear 570 is engaged with the right side of the first bevel gear 520, a second eccentric 580 is coaxially connected to the third bevel gear 570, and the outer circumferential surfaces of the first eccentric 550 and the second eccentric 580 symmetrically abut against the left and right sides of the upper end of the connecting frame 410; first eccentric 550 and second eccentric 580 are the same eccentric, and third bevel gear 570 and second bevel gear 530 are the same bevel gear. With such an arrangement, when the rotating shaft 320 rotates, the first eccentric wheel 550 and the second eccentric wheel 580 can be driven to rotate synchronously, and force is applied to the left and right sides of the upper end of the connecting frame 410, so that the connecting frame 410 and the first dust suction port 420 can lift up and down more stably, and the dust suction effect is further improved.

As shown in fig. 3, it is preferable that a first slide rail 321 is disposed at a middle portion of the rotating shaft 320 in an up-and-down direction, and the connecting frame 410 is slidably coupled to the first slide rail 321. Under the direction of first slide rail 321 about, can make linking frame 410 more steady oscilaltion under actuating mechanism's drive, further improve the effect of dust absorption.

In the grinding process, some dust falls into the gap at the upper end of the grinding disc 330 and is not easy to be sucked away by the first dust suction port 420, so that the dust is accumulated; as shown in fig. 2, in the embodiment of the present invention, a second dust suction port 450 for sucking dust at the upper end of the polishing disc 330 is provided at the lower middle portion of the link frame 410, and the second dust suction port 450 communicates with the dust box 440 through the dust suction pump 430. The second dust suction port 450 and the first dust suction port 420 can rotate and reciprocate up and down in the grinding process, so that dust generated by grinding and dust falling on the upper end of the grinding disc 330 can be fully absorbed, and the dust can be more effectively prevented from diffusing and polluting the working environment.

As shown in fig. 1, in some embodiments of the present invention, the inner wall of the mounting groove 120 is provided with a second slide rail 121, and the mounting bracket 210 is slidably connected to the second slide rail 121. Under the guiding action of the second slide rail 121, the polishing disc 330 is driven by the lifting mechanism to be more fully contacted with the position to be polished of the concrete, so that the polishing effect is improved.

As shown in fig. 1, in some embodiments of the present invention, the lifting mechanism is configured as an electric telescopic rod 600, and the mounting frame 210 is disposed at the telescopic end of the electric telescopic rod 600. The electric telescopic rod 600 has stable driving force and quick response, certainly does not limit the specific structure of the lifting mechanism, and can select the lifting mechanism as an air cylinder or a hydraulic cylinder and the like according to actual needs.

As shown in fig. 1, in some embodiments of the present invention, a mounting portion 710 is disposed on the right side of the frame 100, a push handle is disposed on the mounting portion 710, the push handle includes two vertical rods 720 and vertical rods 730 slidably connected in the vertical rods 720 in the up-down direction, a locking screw 740 for locking the vertical rods 730 is threadedly connected to the side wall of each vertical rod 720, the upper end of each vertical rod 730 is turned over to the right to form a bent portion 731, and a horizontal holding rod is disposed between the two bent portions 731. Set up like this, can be according to the demand of staff's actual height, with locking screw 740 unscrewing, vertical lift infinitely variable control about later with montant 730 in pole setting 720 to the height of control level holding rod satisfies actual staff's needs, at last will lock screw 740 again and screw and lock montant 730 can. Specifically, in order to reduce the assembling process and improve the precision of the present apparatus, the bent portion 731 and the horizontal grip are integrally formed.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The concrete grinding machine is characterized by comprising a frame, wherein two sides of the bottom of the frame are symmetrically provided with trundles, a mounting groove is formed in the frame, a mounting frame is connected in the mounting groove in a sliding manner, and the mounting frame is driven to lift by a lifting mechanism; the improved dust collection device is characterized in that a connecting plate is arranged in the mounting frame, the connecting plate divides the interior of the mounting frame into an upper cavity and a lower cavity, a motor is arranged in the upper cavity, the output end of the motor is connected with a rotating shaft extending to the lower cavity, the lower end of the rotating shaft is connected with a polishing disc, a connecting frame driven by a driving mechanism to reciprocate up and down is arranged in the middle of the rotating shaft, first dust collection ports are respectively arranged on the left side and the right side of the lower end of the connecting frame, and the first dust collection ports are connected with a dust collection box through a dust collection pump.

2. The concrete finishing machine according to claim 1, wherein a fixed frame is arranged on the rotating shaft above the connecting frame, the driving mechanism comprises a first bevel gear arranged on the rotating shaft, a second bevel gear is engaged with the left side of the first bevel gear, the second bevel gear is rotatably connected to the fixed frame through a second rotating shaft, a first eccentric wheel is coaxially connected to the second bevel gear, and the outer surface of the first eccentric wheel abuts against the upper end of the connecting frame; and a spring is arranged between the lower end of the connecting frame and the lower end of the rotating shaft.

3. The concrete grinding machine according to claim 2, wherein a third bevel gear is engaged with the right side of the first bevel gear, a second eccentric wheel is coaxially connected with the third bevel gear, and the outer peripheral surfaces of the first eccentric wheel and the second eccentric wheel are symmetrically abutted against the left side and the right side of the upper end of the connecting frame; the first eccentric wheel and the second eccentric wheel are the same eccentric wheel, and the third bevel gear and the second bevel gear are the same bevel gear.

4. The concrete finishing machine as claimed in claim 1 or 2, wherein a first slide rail is disposed at a middle portion of the rotating shaft in an up-down direction, and the connecting frame is slidably connected to the first slide rail.

5. The concrete finishing machine as claimed in claim 1 or 2, wherein a second dust suction port for sucking dust at the upper end of the grinding disc is provided at a lower middle portion of the connecting frame, and the second dust suction port communicates with the dust box through the dust suction pump.

6. The concrete finishing machine of claim 1, wherein the interior wall of the mounting channel is provided with a second track, and the mounting bracket is slidably connected to the second track.

7. The concrete finishing machine of claim 1, wherein the lifting mechanism is configured as an electric telescopic rod, and the mounting bracket is disposed at a telescopic end of the electric telescopic rod.

8. The concrete flatting mill of claim 1, characterized in that the right side of frame is provided with the installation department, be provided with the push handle on the installation department, the push handle includes two pole settings and along upper and lower direction sliding connection at the montant in the pole setting, equal threaded connection has the locking screw who is used for locking on each the lateral wall of pole setting, the upper end of montant turns over to the right and is formed with the bight, two be provided with horizontal holding rod between the bight.