CN108166364B - A concrete sander for construction with synchronous adjustment of grinding and cutting - Google Patents

Abstract

The invention discloses a building concrete polishing machine capable of synchronously adjusting polishing and cutting, which comprises a frame, handrails, supporting legs, rollers, a polishing motor and a polishing disc, wherein the frame is provided with a plurality of polishing holes; a horizontal supporting plate is arranged in the adjusting cavity, and a vertically downward pneumatic cylinder is fixedly arranged on the frame; a polishing cavity and a cutting cavity with downward openings are fixed on the lower side of the supporting plate; the center of the polishing disc is fixed on an output shaft of the polishing motor; a vertical transmission gear is coaxially fixed on the first rotating shaft, a driven gear coaxially fixed on the second rotating shaft is meshed and connected to the lower portion of the first rotating shaft, a horizontal cutting motor is fixed on the lower side of a cutting motor fixing plate, and a plurality of cutting blades are coaxially fixed on the second rotating shaft. The pneumatic cylinder pushes the supporting plate to move up and down, the pressure of the polishing disc on the material to be polished is adjusted, polishing efficiency is improved, meanwhile, the cutting blade is in contact with the material to be polished above the ground, the material to be polished is cut up, polishing difficulty is reduced, and treatment effect is improved.

Description

A concrete sander for construction with synchronous adjustment of grinding and cutting

technical field

The invention relates to a construction equipment, in particular to a concrete polishing machine for construction which can adjust grinding and cutting synchronously.

Background technique

The concrete polishing machine is suitable for indoor simulation of the polishing effect of automobile tires on highway asphalt pavement, accelerated polishing of the aggregate used in the pavement, and the abrasion resistance of the aggregate is evaluated by the polishing value of the aggregate.

When the grinding machine is in use, some aggregates with high protrusions and large volumes cannot be quickly polished, which reduces the construction efficiency. These aggregates are often removed manually, which is difficult to construct and labor-intensive. Therefore, , it is necessary to improve the existing concrete polishing machine to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a concrete sander for construction that can adjust grinding and cutting synchronously, so as to solve the problems raised in the above-mentioned background art.

To achieve the above object, the present invention provides the following technical solutions:

A concrete sander for construction with synchronous adjustment, grinding and cutting, comprising a frame, a handrail, outriggers, rollers, a polishing motor and a sanding disc; the handrail is fixedly welded on the frame, on the four corners of the lower side of the frame The vertical outrigger is fixed, and the roller is installed on the lower end of the outrigger; the electric box is fixed on the frame, the lower side of the frame is provided with an adjustment cavity with an opening facing downward, and the adjustment cavity is provided with a horizontal support plate , a vertically downward pneumatic cylinder is also fixedly installed on the frame, and the lower end of the connecting rod that vertically passes through the frame is fixedly connected to the lower end of the piston rod of the pneumatic cylinder, and the lower end of the connecting rod is fixedly connected to the support plate; the support A polishing cavity and a cutting cavity are fixed on the lower side of the plate, and the polishing cavity is located at the rear end of the cutting cavity; a horizontal polishing motor fixing plate is arranged in the polishing cavity, and an output shaft of the polishing motor is arranged in the polishing cavity. Vertically downward through the polishing motor fixing plate, the center of the polishing disc is fixed on the output shaft of the polishing motor; a horizontal cutting motor fixing plate is fixed in the cutting cavity, at both ends of the lower side of the cutting motor fixing plate A vertical bracket is fixedly welded on the upper part, and the middle part and the lower end of the bracket are respectively connected with a horizontal first rotating shaft and a second rotating shaft through bearings, and a vertical transmission gear is coaxially fixed on the first rotating shaft. A driven gear coaxially fixed on the second rotating shaft, a horizontal cutting motor is fixed on the lower side of the cutting motor fixing plate, a driving gear is coaxially fixed on the output shaft of the cutting motor, and the lower end of the driving gear is meshed with the transmission gear. , a plurality of cutting blades are coaxially fixed on the second rotating shaft.

Further: a plurality of support springs are fixedly installed on the upper surface of the support plate, and the upper ends of the support springs are fixedly connected to the frame.

Further: the polishing motor fixing plate is fixed on the inner wall of the polishing cavity through a fixing rod, and the polishing motor is vertically fixed on the polishing motor fixing plate.

Further: the distance between the cutting blades is less than 5mm.

Further: the lower end of the cutting blade is flush with the lower surface of the grinding disc.

Further: a dust filter box and a fan are fixed on the frame, the dust filter box is communicated with the fan, and the dust filter box is connected to the polishing cavity and the cutting cavity through pipes.

Further: an air outlet is provided in the end of the pipe corresponding to the polishing cavity and the cutting cavity.

Compared with the prior art, the beneficial effects of the present invention are: the present invention pushes the support plate up and down through the provided pneumatic cylinder, adjusts the pressure of the grinding disc on the drum material, improves the polishing efficiency, and at the same time the cutting blade contacts the drum material above the ground. , Shred the drum material, reduce the difficulty of polishing, improve the processing effect, and also reduce the labor intensity of workers and reduce the difficulty of construction.

Description of drawings

FIG. 1 is a schematic structural diagram of a concrete sander for construction with synchronous adjustment, grinding and cutting.

Fig. 2 is a schematic diagram of the transmission structure in the cutting cavity of a concrete grinder for construction with synchronous adjustment, grinding and cutting.

FIG. 3 is a schematic structural diagram of a cutting blade in a concrete grinding machine for construction with synchronous adjustment, grinding and cutting.

In the picture: 1-frame, 2-armrest, 3-outrigger, 4-roller, 5-grinding cavity, 6-cutting cavity, 7-grinding motor, 8-grinding motor fixing plate, 9-grinding disc , 10-first shaft, 11-fixed rod, 12-support spring, 13-support plate, 14-air cylinder, 15-connecting rod, 16-cutting motor, 17-cutting motor fixing plate, 18-adjustment cavity, 19 -Bracket, 20-drive gear, 21-transmission gear, 22-driven gear, 23-second shaft, 24-cutting blade, 28-dust filter box, 29-fan, 30-air outlet, 31-electrical box.

Detailed ways

Referring to the drawings, in the embodiment of the present invention, a concrete sander for construction with synchronous adjustment, grinding and cutting includes a frame 1, a handrail 2, a supporting leg 3, a roller 4, a polishing motor 7 and a polishing disc 9; the The armrest 2 is fixed and welded on the frame 1, the vertical outriggers 3 are fixed on the lower four corners of the frame 1, and the roller 4 is installed on the lower end of the outrigger 3. An electrical box 31 is fixed on the vehicle frame 1, and electrical components are arranged inside to drive the equipment by electric energy.

The lower side of the vehicle frame 1 is provided with an adjustment cavity 18 with an opening facing downward, and a horizontal support plate 13 is arranged in the adjustment cavity 18. A number of support springs 12 are fixedly installed on the upper surface of the support plate 13. The upper end is fixedly connected to the vehicle frame 1; a vertical downward pneumatic cylinder 14 is also fixedly installed on the vehicle frame 1, and the pneumatic cylinder 14 is connected with a driving mechanism that cooperates with it to make the pneumatic cylinder 14 operate and realize expansion and contraction. The lower end of the piston rod is fixedly connected with the lower end of the connecting rod 15 that vertically passes through the frame 1 and is fixedly connected to the support plate 13, and the support plate 13 is pushed up and down by the pneumatic cylinder 14;

A polishing cavity 5 and a cutting cavity 6 are fixed on the lower side of the support plate 13 , and the polishing cavity 5 is located at the rear end of the cutting cavity 6 (the right side in FIG. 1 is the rear end).

The polishing cavity 5 is provided with a horizontal polishing motor fixing plate 8, the polishing motor fixing plate 8 is fixed on the inner wall of the polishing cavity 5 through the fixing rod 11, and the polishing motor 7 is vertically fixed on the polishing photoelectric. On the machine fixing plate 8, the output shaft of the polishing motor 7 passes vertically downward through the polishing motor fixing plate 8, the center of the polishing disc 9 is fixed on the output shaft of the polishing motor 7, and the polishing disc is driven by the polishing motor 7 9 Turn and polish to the ground.

A horizontal cutting motor fixing plate 17 is fixed in the cutting cavity 6. As shown in FIG. 2, vertical brackets 19 are fixed and welded on both ends of the lower side of the cutting motor fixing plate 17 to play a supporting role. The middle part and the lower end of 19 are respectively connected with a horizontal first rotating shaft 10 and a second rotating shaft 23 through bearings, a vertical transmission gear 21 is coaxially fixed on the first rotating shaft 10, and a coaxially fixed on the second rotating shaft 10 is meshed below. On the driven gear 22 on the rotating shaft 23, a horizontal cutting motor 16 is fixed on the lower side of the cutting motor fixing plate 17, and a driving gear 20 is coaxially fixed on the output shaft of the cutting motor 16, and the lower end of the driving gear 20 is connected with the transmission gear 21. Engaged and connected, so that the bottom second rotating shaft 23 is driven to rotate by the cutting motor 16, a plurality of cutting blades 24 are coaxially fixed on the second rotating shaft 23, the distance between the cutting blades 24 is less than 5mm, and the cutting blades 24 rotate to the bottom Raised cuts on the ground make it easier to polish.

The lower end of the cutting blade 24 is flush with the lower surface of the grinding disc 9, so that the cutting blade 24 and the grinding disc 9 are moved at the same height, which is convenient for processing the ground.

A dust filter box 28 and a fan 29 are fixed on the frame 1. The dust filter box 28 is communicated with the fan 29. The dust filter box 28 is connected to the polishing chamber 5 and the cutting chamber 6 through pipes, and the ends of the pipes correspond to the polishing chambers 5 and 6. The cutting cavity 6 is provided with an air outlet 30 to suck the dust and the like generated by polishing into the dust filter box 28 for filtering.

When in use, the support plate 13 at the lower end is pushed up and down by the pneumatic cylinder 14, and the height of the support plate 13 is adjusted, and the support plate 13 is put down by polishing or cutting, so that the grinding disc 9 and the cutting blade 24 are downward at the same time, Acting on the ground, the ground can be processed by pushing the equipment to move, and the drum material is cut by the rotating cutting blade 24, and multiple cutting blades 24 are cut at the same time, so as to improve the cutting range and quickly cut the bulky drum material. Easy to continue polishing. The invention pushes the support plate up and down through the provided pneumatic cylinder, adjusts the pressure of the grinding disc on the drum material, improves the polishing efficiency, and at the same time, the cutting blade contacts the drum material above the ground, shreds the drum material, reduces the difficulty of polishing, and improves the efficiency of polishing. It also reduces the labor intensity of workers and reduces the difficulty of construction.

In addition, it should be understood that although this specification is described in terms of embodiments, not each embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole , the technical solutions in each embodiment can also be appropriately combined to form other implementations that can be understood by those skilled in the art.

Claims (5)

1. A building concrete polishing machine capable of synchronously adjusting polishing and cutting comprises a frame (1), handrails (2), supporting legs (3), rollers (4), a polishing motor (7) and a polishing disc (9); the handrail (2) is fixedly welded on the frame (1), the vertical support legs (3) are fixed at four corners of the lower side of the frame (1), and the rollers (4) are arranged at the lower ends of the support legs (3); be fixed with electric box (31) on frame (1), its characterized in that: an adjusting cavity (18) with a downward opening is formed in the lower side of the frame (1), a horizontal supporting plate (13) is arranged in the adjusting cavity (18), a vertically downward pneumatic cylinder (14) is fixedly mounted on the frame (1), and the lower end of a piston rod of the pneumatic cylinder (14) is fixedly connected with the lower end of a connecting rod (15) which vertically penetrates through the frame (1) downwards and is fixedly connected to the supporting plate (13); a polishing cavity (5) with a downward opening and a cutting cavity (6) are fixed on the lower side of the supporting plate (13), and the polishing cavity (5) is positioned at the rear end of the cutting cavity (6);

a horizontal polishing motor fixing plate (8) is arranged in the polishing cavity (5), an output shaft of the polishing motor (7) vertically penetrates through the polishing motor fixing plate (8) downwards, and the center of a polishing disc (9) is fixed on the output shaft of the polishing motor (7);

a horizontal cutting motor fixing plate (17) is fixedly arranged in the cutting cavity (6), vertical supports (19) are fixedly welded at two ends of the lower side of the cutting motor fixing plate (17), a first horizontal rotating shaft (10) and a second horizontal rotating shaft (23) are respectively and rotatably connected to the middle part and the lower end of each support (19) through bearings, a vertical transmission gear (21) is coaxially fixed on each first rotating shaft (10), a driven gear (22) coaxially fixed on the second rotating shaft (23) is connected to the lower part of each support in a meshed mode, a horizontal cutting motor (16) is fixed on the lower side of the cutting motor fixing plate (17), a driving gear (20) is coaxially fixed on an output shaft of the cutting motor (16), the lower end of the driving gear (20) is connected with the transmission gear (21) in a meshed mode, a plurality of cutting blades (24) are coaxially fixed on the second rotating shaft (23), and the distance between the cutting blades (24) is smaller than, the lower end of the cutting blade (24) is flush with the lower surface of the polishing disc (9).

2. A concrete finishing machine for construction use with simultaneous adjustment of the finishing cut as claimed in claim 1, wherein: the upper surface of the supporting plate (13) is fixedly provided with a plurality of supporting springs (12), and the upper ends of the supporting springs (12) are fixedly connected to the frame (1).

3. A concrete finishing machine for construction use with simultaneous adjustment of the finishing cut as claimed in claim 1, wherein: the polishing motor fixing plate (8) is fixed on the inner wall of the polishing cavity (5) through a fixing rod (11), and the polishing motor (7) is vertically fixed on the polishing motor fixing plate (8).

4. A concrete finishing machine for construction use with simultaneous adjustment of the finishing cut as claimed in claim 1, wherein: a dust filtering box (28) and a fan (29) are fixed on the frame (1), the dust filtering box (28) is communicated with the fan (29), and the dust filtering box (28) is communicated into the polishing cavity (5) and the cutting cavity (6) through pipelines.

5. An architectural concrete finishing machine with synchronized adjustment of the finishing cut of claim 4, wherein: air suction openings (30) are arranged in the tail end of the pipeline corresponding to the polishing cavity (5) and the cutting cavity (6).

Images