CN210140978U

CN210140978U - Grinding mechanism for concrete troweling machine

Info

Publication number: CN210140978U
Application number: CN201920159328.6U
Authority: CN
Inventors: 陈立文; 周哲
Original assignee: SHANDONG ROADWAY CONSTRUCTION MACHINERY MANUFACTURING Co Ltd
Current assignee: SHANDONG ROADWAY CONSTRUCTION MACHINERY MANUFACTURING Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-03-13
Anticipated expiration: 2029-01-30

Abstract

A grinding mechanism for a concrete troweling machine comprises a rotary support, a spring plate, a fixed plate, a supporting part and a protective part, wherein the supporting part comprises a support ring, a support plate, a bearing fixing seat and a bearing, the upper end surface of the support ring is provided with the support plate, the lower end of the support plate is provided with the bearing fixing seat, the lower end of the bearing fixing seat is provided with the bearing, the lower end of the bearing fixing seat is fixedly connected with the bearing through a hole check ring, the rotary support is arranged in the bearing and comprises a vertical shaft part and a horizontal plate part, the upper end of the shaft part is contacted with the support plate through the shaft check ring and a sealing end cover, the lower end of the plate part of the rotary support is provided with the spring plate, the lower end of the spring plate is provided with the fixed plate, the lower end of the fixed plate is provided, time and equipment cost are saved; the spring plate is arranged, so that the grinding disc is better attached to the ground.

Description

Grinding mechanism for concrete troweling machine

Technical Field

The utility model belongs to the technical field of a concrete troweling machine and specifically relates to a grinding mechanism for concrete troweling machine.

Background

In recent years, with the increasing application of concrete, the requirement for the ground in construction is also increased correspondingly. After the initial setting of the concrete is finished in the ordinary ground, carrying out slurry extraction and finishing on the surface; the ground with higher requirements needs to be ground, leveled and polished after the surface is finished and completely solidified. At present, a machine in the market mainly adopts a blade type hand-held or seat-mounted concrete trowelling machine to carry out operation on slurry lifting and trowelling, a circular slurry lifting disc is arranged below the blade to carry out trowelling and slurry lifting on the surface, and then the slurry lifting disc is detached to carry out trowelling by using the blade. However, special grinding machines are required to be purchased additionally for grinding and polishing the ground, construction cost is increased, the troweling machine needs to be removed after the troweling process is finished in the construction process, the grinding machine is replaced by the grinding machine, and construction time is prolonged.

Disclosure of Invention

The utility model provides a grinding mechanism for a concrete troweling machine, which has simple structure and convenient replacement, and can be suitable for the blade type hand-held or seat-mounted concrete troweling machine to grind and polish the ground; the technical scheme of the utility model is that:

a grinding mechanism for a concrete troweling machine comprises a rotating support, a spring plate, a fixing plate, a bearing, a supporting part and a protecting part, wherein the supporting part and the protecting part can be connected with blades of the troweling machine; the lower extreme of backup pad is provided with the bearing fixing base, and the lower surface of backup pad welds with the up end of bearing fixing base, and a side of bearing fixing base welds with the side of lock ring, and the inside of bearing fixing base is provided with the bearing, and bearing fixing base lower extreme passes through hole retaining ring and bearing fixed connection, is provided with the runing rest in the bearing, and the runing rest includes vertical axial region and horizontally board, the upper end of axial region fixed through the axle retaining ring, the upper end of bearing fixing base is provided with end cover, the lower extreme of the board of runing rest is provided with the spring board, the board of runing rest passes through bolted connection with the spring board, the lower extreme of spring board is provided with the fixed plate, the spring board passes through bolted connection with the fixed plate, the lower.

The protection portion includes interior clamp plate, outer clamp plate, rubber guard plate, and the outside of backup pad and fixed plate is provided with the rubber guard plate that can wrap up a week, and the inboard on the upper portion of rubber guard plate is provided with interior clamp plate, and the outside on the upper portion of rubber guard plate is provided with the outer clamp plate, and interior clamp plate and outer clamp plate pass through bolt, welding or bonding with the rubber guard plate and are connected.

The supporting plate is a plurality of groove-shaped steel plates, the supporting ring is a square pipe, and the notch of the supporting plate is clamped with the blade of the concrete troweling machine.

The fixing plate comprises a disc fixing plate or a plum blossom plate fixing plate; the number of the fixing plates is the same as that of the supporting plates, the lower plate surface of the disc fixing plate is provided with grinding discs, each grinding disc comprises a first sponge polishing sheet and at least 2 second sponge polishing sheets, diamond grinders or resin grinding discs, and the grinding discs and the fixing plates are bonded through annular cloth buckling, bolted connection or directly bonded; the lower plate surface of the plum blossom fixed plate is provided with grinding discs, each grinding disc comprises a second sponge polishing sheet, a diamond grinding disc or a resin grinding disc, and each grinding disc is bonded with the plum blossom fixed plate through cloth fastening, bolt connection or direct bonding.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model relates to a grinding mechanism for concrete troweling machine, through the arrangement of the notch of the groove-shaped supporting plate and the connection series structure of the spring plate, the grinding mechanism can be rapidly connected with the troweling machine, the installation and the disassembly are convenient and rapid, after the concrete troweling process is finished, the troweling machine does not need to be changed into a grinding machine to continue working, the time is saved, and the equipment cost is saved; the arranged spring plate structure can change the inclination angle of the fixed plate on uneven ground, so that the grinding plate is better attached to the ground, the grinding is more delicate, and the grinding is smoother; be provided with the guard portion all around, can prevent that dust, mud from splashing, avoid mud to splash other people on one's body, the runing rest of setting can bearing relatively rotate, realizes that the fixed plate separately that the runing rest drove is rotatory, realizes grinding more meticulous, and ground is more smooth.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

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

Fig. 2 is a schematic partial sectional structure of the present invention.

Fig. 3 is a schematic view of the bottom view structure of the disc of the present invention.

Fig. 4 is a schematic view of the structure of the plum blossom plate in elevation view.

In the attached drawing, the device comprises a rubber protection plate 1, an outer pressing plate 2, an inner pressing plate 3, an inner pressing plate 4, a fixing plate 5, a spring piece 6, a rotating support 7, a groove-shaped supporting plate 8, a supporting ring 9, a bearing fixing seat 10, a bearing 11, a first sponge polishing piece 12, a resin polishing piece 13, a diamond polishing piece 14 and a second sponge polishing piece.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to fig. 1, fig. 2, fig. 3, fig. 4 and the specific embodiments.

As shown in fig. 1, fig. 2 and fig. 3, a grinding mechanism for a concrete troweling machine includes a rotating bracket 6, a spring plate 5, a fixing plate 4, a supporting portion and a protecting portion. The supporting part comprises a supporting ring 8, a supporting plate 7, a bearing fixing seat 9 and a bearing 10, the supporting plate 7 is arranged on the upper end face of the supporting ring 8, the bottom of one end of the supporting plate 7 is welded with the upper end face of the supporting ring, and the other end of the supporting plate 7 is fixedly connected with a protection part which surrounds the supporting plate 7 by a circle; the lower extreme of backup pad 7 is provided with bearing fixing base 9, the lower surface of backup pad 7 and the up end welding of bearing fixing base 9, a side of bearing fixing base 9 and the side welding of lock ring 8, the lower extreme of bearing fixing base 9 is provided with bearing 10, bearing fixing base 9 and bearing 10 block, be provided with the runing rest 6 that can independently rotate in the bearing, runing rest 6 includes vertical axial region and horizontally board, the upper end of axial region is passed through for the axle retaining ring and end cover and is contacted with backup pad 7, the lower extreme of the board of runing rest 6 is provided with spring plate 5, the board of runing rest 6 passes through bolted connection with spring plate 5, the lower extreme of spring plate 5 is provided with fixed plate 4, spring plate 5 passes through bolted connection with fixed plate 4, the lower extreme of fixed plate 4 is provided with the abrasive disc, fixed. When ground is uneven, fixed plate 4 can swing for rotating bracket 6 through the deformation of spring plate 5 for guarantee that the abrasive disc can laminate with ground completely when ground is uneven, backup pad 7 is connected with the smoothing machine blade.

Further, the protection portion includes inner pressing plate 3, outer clamp plate 2, rubber guard plate 1, and the outside of backup pad 7 and fixed plate 4 is provided with rubber guard plate 1 that can wrap up a week, and the inboard on upper portion of rubber guard plate 1 is provided with inner pressing plate 3, and the outside on upper portion of rubber guard plate 1 is provided with outer clamp plate 2, and inner pressing plate 3 and outer clamp plate 2 pass through the bolt with rubber guard plate 1, welding or bonding connection, and the protection portion is installed in the border, can prevent dust, mud splash effectively.

Furthermore, the supporting plates 7 are a plurality of groove-shaped steel plates, the supporting rings are square pipes, the supporting plates 7 are connected with the concrete troweling machine, the blades are directly and correspondingly placed in the grooves of the supporting plates, and the installation and the disassembly are convenient and rapid.

Further, as shown in fig. 3 and 4, the fixing plate 4 includes a circular fixing plate 41 or a quincunx fixing plate 42; the number of the fixing plates 4 is the same as that of the supporting plates 7, the lower plate surface of the disc fixing plate 41 is provided with grinding plates, the grinding plates comprise first sponge polishing pieces 11 and at least 2 second sponge polishing pieces 14, diamond grinders 13 or resin grinding pieces 12, and the grinding plates and the fixing plates 4 are bonded through annular cloth buckling, bolt connection or direct bonding; the lower plate surface of the plum blossom fixed plate 42 is provided with grinding plates, the grinding plates comprise a second sponge polishing plate 14, a diamond grinding plate 13 or a resin grinding plate 12, and each grinding plate is bonded with the plum blossom fixed plate 42 through cloth fastening, bolt connection or direct bonding.

The utility model relates to a grinding mechanism for concrete troweling machine, through the arrangement of the notch of the groove-shaped supporting plate and the connection series structure of the spring plate, the grinding mechanism can be rapidly connected with the troweling machine, the installation and the disassembly are convenient and rapid, after the concrete troweling process is finished, the troweling machine does not need to be changed into a grinding machine to continue working, the time is saved, and the equipment cost is saved; the arranged spring plate structure can change the inclination angle of the fixed plate on uneven ground, so that the grinding plate is better attached to the ground, the grinding is more delicate, and the grinding is smoother; be provided with the guard portion all around, can prevent that dust, mud from splashing, avoid mud to splash other people on one's body, the runing rest of setting can bearing relatively rotate, realizes that the fixed plate separately that the runing rest drove is rotatory, realizes grinding more meticulous, and ground is more smooth.

Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.

Claims

1. A grinding mechanism for a concrete troweling machine comprises a rotating support (6), a spring plate (5), a fixing plate (4), a bearing (10), a supporting part and a protection part, wherein the supporting part can be connected with troweling machine blades, the protection part can block slurry, the supporting part comprises a supporting ring (8), a supporting plate (7) and a bearing fixing seat (9), the supporting plate (7) is arranged on the upper end face of the supporting ring (8), the bottom of one end of the supporting plate (7) is welded with the upper end face of the supporting ring, and the other end of the supporting plate (7) is fixedly connected with the protection part which is arranged around the supporting plate (7) in a circle; the lower end of the supporting plate (7) is provided with a bearing fixing seat (9), the lower surface of the supporting plate (7) is welded with the upper end face of the bearing fixing seat (9), one side end of the bearing fixing seat (9) is welded with the side face of the supporting ring (8), a bearing (10) is arranged inside the bearing fixing seat (9), the lower end of the bearing fixing seat (9) is fixedly connected with the bearing (10) through a check ring for holes, a rotary support (6) capable of rotating independently is arranged in the bearing, the rotary support (6) comprises a vertical shaft part and a horizontal plate part, the upper end of the shaft part is fixed through a check ring for shafts, a sealing end cover is arranged at the upper end of the bearing fixing seat, a spring plate (5) is arranged at the lower end of the plate part of the rotary support (6), the plate part of the rotary support (6) is connected with the spring plate (, the spring plate (5) is connected with the fixed plate (4) through a bolt, the lower end of the fixed plate (4) is provided with a grinding disc, and the fixed plate (4) is fixedly connected with the grinding disc.

2. The grinding mechanism for the concrete troweling machine according to claim 1, characterized in that the protection portion comprises an inner pressing plate (3), an outer pressing plate (2) and a rubber protection plate (1), the outer sides of the supporting plate (7) and the fixing plate (4) are provided with the rubber protection plate (1) capable of wrapping a circle, the inner side of the upper portion of the rubber protection plate (1) is provided with the inner pressing plate (3), the outer side of the upper portion of the rubber protection plate (1) is provided with the outer pressing plate (2), the inner pressing plate (3), the outer pressing plate (2) and the rubber protection plate (1) are connected through bolts, welding or adhesion, and the supporting plate (7) and the protection portion are connected through bolts, welding or adhesion.

3. The grinding mechanism for the concrete troweling machine according to claim 1, characterized in that the supporting plate (7) is a plurality of channel steel plates, the supporting ring (8) is a square pipe, and the notch of the supporting plate (7) is engaged with the blade of the concrete troweling machine.

4. The grinding mechanism for a concrete troweling machine according to claim 1, characterized in that the fixing plate (4) comprises a circular disc fixing plate (41) or a quincuncial disc fixing plate (42); the number of the fixing plates (4) is the same as that of the supporting plates (7), the lower plate surface of the disc fixing plate (41) is provided with grinding discs, each grinding disc comprises a first sponge polishing piece (11), at least 2 second sponge polishing pieces (14), diamond grinding discs (13) or resin grinding discs (12), and the grinding discs and the fixing plates (4) are bonded through annular cloth buckling, bolted connection or direct bonding; the lower plate surface of the plum blossom fixed plate (42) is provided with grinding plates, the grinding plates comprise a second sponge polishing plate (14), a diamond grinding plate (13) or a resin grinding plate (12), and each grinding plate and the plum blossom fixed plate (42) are bonded through cloth fastening, bolt connection or direct bonding.