CN217344774U

CN217344774U - PC precast concrete stair roughness grinding device

Info

Publication number: CN217344774U
Application number: CN202221451283.8U
Authority: CN
Inventors: 张少伟
Original assignee: Zhongmin Jianyan Industrialized Construction Co ltd
Current assignee: Zhongmin Jianyan Industrialized Construction Co ltd
Priority date: 2022-06-10
Filing date: 2022-06-10
Publication date: 2022-09-02
Anticipated expiration: 2032-06-10

Abstract

The utility model relates to a grinding device especially relates to a PC precast concrete stair roughness grinding device. The utility model provides a can polish PC precast concrete stair surface and side, and then improve staff's work efficiency's PC precast concrete stair roughness grinding device. The utility model provides a PC precast concrete stair roughness grinding device, includes supporting shoe, first slider and guide bar etc. and the equal rigid coupling in symmetry has first slider around the supporting shoe top, and supporting shoe top left side rigid coupling has the guide bar. Through starting the polisher, the polisher output shaft drives first bevel gear and rotates, and when first bevel gear rotated, first bevel gear drove second bevel gear and rotates, and second bevel gear drives the polishing piece and rotates, and the polisher is polished concrete stair surface and side with the polishing piece to be convenient for polish concrete stair surface and side, and then can improve staff's work efficiency.

Description

PC precast concrete stair roughness grinding device

Technical Field

The utility model relates to a grinding device especially relates to a PC precast concrete stair roughness grinding device.

Background

The PC precast concrete stair is a stair manufactured through a mold, and the prefabricated structure building is used to improve the construction efficiency and ensure the construction quality.

The stair surface that present PC precast concrete made out is comparatively crude, needs the manual work to grind the level to PC precast concrete stair surface, when polishing PC precast concrete stair surface, can not polish PC precast concrete stair surface and side simultaneously, can only polish one to influence staff's work efficiency.

In view of the above-mentioned problem that exists at present, need provide one kind and can polish PC precast concrete stair surface and side, and then improve staff's work efficiency's PC precast concrete stair roughness grinding device.

SUMMERY OF THE UTILITY MODEL

In order to overcome the shortcoming that the single face was polished when artifical polishing PC precast concrete stair surface, the technical problem of the utility model is that: the utility model provides a can polish PC precast concrete stair surface and side simultaneously, and then improve staff's work efficiency's PC precast concrete stair roughness grinding device.

The technical scheme of the utility model is that: a PC precast concrete stair surface roughness polishing device comprises a supporting block, a first slider, a guide rod, a screw rod, a handle, a second slider, a shell, a fixed block, a polisher, a first bevel gear, a second bevel gear, a polishing plate and a round rod, wherein the first slider is symmetrically and fixedly connected with two sides of the top of the supporting block, the guide rod is fixedly connected with one side of the top of the supporting block, the screw rod is rotatably arranged on the other side of the top of the supporting block and is connected with the supporting block in a thread fit mode, the handle is fixedly connected onto the screw rod, the second slider is slidably connected onto the guide rod, the second slider is also connected onto the screw rod in a thread fit mode, the round rod is fixedly connected onto the second slider, the shell is jointly installed at one end, far away from the second slider, of the top of the shell is fixedly connected with the fixed block, the polisher is installed on the fixed block, the first bevel gear is connected onto the polisher, and the polishing plate is installed on one side of the shell, the polishing piece penetrates through the shell and is perpendicular to the plane of the round rod, a second bevel gear is connected onto the polishing piece, and the first bevel gear is meshed with the second bevel gear.

Further, the supporting device comprises a base and a sliding rod, wherein the base is arranged at the bottom of the supporting block in a sliding mode, the sliding rods are symmetrically and fixedly connected to the top of the base, and the first sliding block penetrates through the sliding rod and is in sliding fit with the sliding rod.

Furthermore, the device also comprises a rotating shaft and rollers, wherein the rotating shaft is symmetrically and rotatably arranged at the lower part of the supporting block, and the rollers are arranged on the rotating shaft.

Furthermore, the device also comprises a bump, and a plurality of bumps are arranged at the bottom of the base.

Furthermore, the polishing device also comprises a supporting rod, wherein one side of the fixing block is fixedly connected with the supporting rod, and the supporting rod is positioned above the polishing piece.

Furthermore, the support rod is arranged in a horizontal T shape.

The utility model has the advantages that:

1. by starting the grinding machine, an output shaft of the grinding machine drives a first bevel gear to rotate, the first bevel gear drives a second bevel gear to rotate while the first bevel gear rotates, a grinding sheet is driven to rotate by the second bevel gear, and the grinding machine and the grinding sheet grind the surface and the side surface of the concrete stair, so that the surface and the side surface of the concrete stair can be conveniently ground, and the working efficiency of workers can be improved;

2. drive first slider through promoting the supporting shoe and remove to the right side along the slide bar, the supporting shoe is to the in-process that the right side removed, the supporting shoe drives the polisher and polishes the piece and remove to the right side, the polisher with polish the piece and polish concrete stair surface and side for concrete stair surface and side are polished more evenly, thereby be convenient for to concrete stair surface and side polish more evenly, and then improve concrete stair's quality.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the housing, the polishing machine, the lead screw and the like of the present invention.

Fig. 3 is a schematic view of the three-dimensional structure of the bevel gear, the grinding machine, the grinding sheet and the like of the present invention.

Fig. 4 is a schematic perspective view of the handle, the slide rod, the sander, etc. of the present invention.

Fig. 5 is a schematic view of the three-dimensional structure of the sliding block, the rotating shaft, the roller, etc. of the present invention.

Fig. 6 is a schematic perspective view of the base and the bump of the present invention.

In the above drawings: 1: support block, 101: first slider, 2: guide bar, 3: screw rod, 301: handle, 4: second slider, 5: outer shell, 6: fixed block, 7: sander, 8: first bevel gear, 9: second bevel gear, 10: polishing piece, 11: base, 12: slide bar, 13: rotating shaft, 14: roller, 15: bump, 16: support rod, 17: a round bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Example 1

A PC precast concrete stair surface roughness polishing device is shown in figures 1-5 and comprises a supporting block 1, a first slider 101, a guide rod 2, a screw rod 3, a handle 301, a second slider 4, a shell 5, a fixing block 6, a polisher 7, a first bevel gear 8, a second bevel gear 9, a polishing piece 10, a supporting rod 16 and a round rod 17, wherein the first slider 101 is symmetrically welded on the top of the supporting block 1 in a front-back symmetrical mode, the guide rod 2 is welded on the left side of the top of the supporting block 1, the screw rod 3 is rotatably arranged on the right side of the top of the supporting block 1, the screw rod 3 penetrates through the supporting block 1 in a thread fit mode, the handle 301 is fixedly connected onto the screw rod 3, a worker can drive the screw rod 3 to rotate by rotating the handle 301, the second slider 4 is slidably arranged on the guide rod 2, the screw rod 3 is also connected with the second slider 4 in the thread fit mode, and the round rods 17 are welded on the rear sides of the two second sliders 4, round bar 17 is circular, install shell 5 between two round bar 17 rear sides, can play the effect of protection to polisher 7, the welding of 5 tops of shell has fixed block 6, install polisher 7 in the fixed block 6, polisher 7 output shaft has first bevel gear 8 through the coupling joint, polishing piece 10 is installed to 5 rear sides of shell, polishing piece 10 runs through shell 5, be connected with second bevel gear 9 on the polishing piece 10, first bevel gear 8 meshes with second bevel gear 9 mutually, 6 rear sides of fixed block welds and has bracing piece 16.

When an operator needs to use the device, firstly, the operator horizontally places the device on a concrete stair, the polisher 7 is positioned on a concrete stair layer to be polished on the surface and the side surface, then the operator rotates the handle 301 to drive the screw rod 3 to rotate, the screw rod 3 drives the second slider 4, the round rod 17 and the shell 5 to move downwards along the guide rod 2, the shell 5 drives the polisher 7 and the polishing sheet 10 to move downwards, the polisher 7 is in contact with the surface of the concrete stair, the polishing sheet 10 is in contact with the side surface of the concrete stair, the operator loosens the handle 301, then the operator starts the polisher 7, the polisher 7 drives the polishing device at the bottom of the polisher 7 to polish the horizontal surface of the stair through the output shaft, meanwhile, the output shaft of the polisher 7 drives the first bevel gear 8 to rotate, the first bevel gear 8 drives the second bevel gear 9 to rotate, and the second bevel gear 9 drives the polishing sheet 10 to rotate, realize polisher 7 from this and polish concrete stair surface, polish piece 10 simultaneously and carry out the effect of polishing in step to concrete stair side, the back is polished to concrete stair surface and side, and the staff alright close polisher 7, and the staff polishes in step to concrete stair surface and side, improves the efficiency of polishing.

Example 2

On the basis of embodiment 1, as shown in fig. 1, 4 and 6, the supporting device further comprises a base 11, a sliding rod 12 and a protruding block 15, wherein the base 11 is slidably arranged at the bottom of the supporting block 1, so that the supporting block 1 can be better pushed to move, the sliding rod 12 is welded at the top of the base 11, the two first sliding blocks 101 are both in sliding fit with the sliding rod 12, and the protruding block 15 is installed at the bottom of the base 11.

On the basis of the embodiment 1, as shown in fig. 4 and 5, the supporting device further includes rotating shafts 13 and rollers 14, the rotating shafts 13 are respectively rotatably arranged on the lower portions of the supporting blocks 1 in a bilateral symmetry manner, and the rollers 14 are respectively arranged on the two rotating shafts 13, so as to drive the supporting blocks 1 to move.

In the process of grinding the surface and the side surface of the concrete stair by the grinding machine 7 and the grinding sheet 10, a worker pushes the supporting block 1 to move leftwards or rightwards, the supporting block 1 drives the roller 14 to rotate along the rotating shaft 13, so that the friction force between the supporting block 1 and the base 11 is reduced, the labor intensity of the worker is reduced, the supporting block 1 drives the first slider 101 to move leftwards or rightwards along the sliding rod 12, in the process of moving the supporting block 1 leftwards or rightwards, the supporting block 1 drives the grinding machine 7 and the grinding sheet 10 to move leftwards or rightwards, the effect of synchronously grinding the surface and the side surface of the concrete stair by the grinding machine 7 and the grinding sheet 10 is realized, the grinding of the surface and the side surface of the concrete stair is more uniform, the grinding efficiency of the worker is improved, and the labor intensity of the worker is reduced.

The above-described embodiments are provided to enable persons skilled in the art to make or use the invention, and many modifications and variations may be made to the above-described embodiments by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of the invention is not limited by the above-described embodiments, but should be accorded the widest scope consistent with the innovative features set forth in the claims.

Claims

1. A PC precast concrete stair surface roughness polishing device is characterized by comprising a supporting block (1), a first slider (101), a guide rod (2), a screw rod (3), a handle (301), a second slider (4), a shell (5), a fixing block (6), a polisher (7), a first bevel gear (8), a second bevel gear (9), a polishing piece (10) and a round rod (17), wherein the first slider (101) is symmetrically and fixedly connected to two sides of the top of the supporting block (1), the guide rod (2) is fixedly connected to one side of the top of the supporting block (1), the screw rod (3) is rotatably arranged on the other side of the top of the supporting block (1), the screw rod (3) is connected with the supporting block (1) in a thread fit mode, the handle (301) is fixedly connected to the screw rod (3), the second slider (4) is slidably connected to the guide rod (2), and the second slider (4) is also connected to the screw rod (3) in a thread fit mode, second slider (4) rigid coupling has round bar (17), shell (5) are installed jointly to the one end that second slider (4) were kept away from in round bar (17), shell (5) top rigid coupling has fixed block (6), install polisher (7) on fixed block (6), be connected with first bevel gear (8) on polisher (7), polishing piece (10) are installed to one side of shell (5), polishing piece (10) run through shell (5) and perpendicular with the plane of round bar (17), be connected with second bevel gear (9) on polishing piece (10), first bevel gear (8) and second bevel gear (9) meshing.

2. The PC precast concrete stair surface roughness grinding device as claimed in claim 1, further comprising a base (11) and a sliding rod (12), wherein the base (11) is slidably arranged at the bottom of the supporting block (1), the sliding rod (12) is symmetrically and fixedly connected to the top of the base (11), and the first sliding block (101) penetrates through the sliding rod (12) and is in sliding fit with the sliding rod (12).

3. The PC precast concrete stair surface roughness grinding device as claimed in claim 2, further comprising a rotating shaft (13) and rollers (14), wherein the rotating shaft (13) is symmetrically and rotatably arranged at the lower part of the supporting block (1), and the rollers (14) are arranged on the rotating shaft (13).

4. The PC precast concrete stair surface roughness grinding device according to claim 3, characterized by further comprising a plurality of projections (15), wherein the bottom of the base (11) is provided with a plurality of projections (15).

5. The PC precast concrete stair surface roughness grinding device according to claim 4, further comprising a support bar (16), wherein the support bar (16) is fixedly connected to one side of the fixed block (6), and the support bar (16) is positioned above the grinding piece (10).

6. The PC precast concrete stair surface roughness polishing device according to claim 5, wherein the support rods (16) are arranged in a horizontal T shape.