CN111745486B - Construction method for accurately controlling wall surface polishing depth - Google Patents

Construction method for accurately controlling wall surface polishing depth Download PDF

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Publication number
CN111745486B
CN111745486B CN202010488344.7A CN202010488344A CN111745486B CN 111745486 B CN111745486 B CN 111745486B CN 202010488344 A CN202010488344 A CN 202010488344A CN 111745486 B CN111745486 B CN 111745486B
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China
Prior art keywords
polishing
wall surface
dust
depth
shell
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CN202010488344.7A
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Chinese (zh)
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CN111745486A (en
Inventor
任瑛楠
黄轶
谷志旺
张波
陈雪峡
孙沈鹏
蔡观生
王伟茂
何娇
张少伟
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Shanghai Construction No 4 Group Co Ltd
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Shanghai Construction No 4 Group Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/182—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like for walls and ceilings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B23/00—Portable grinding machines, e.g. hand-guided; Accessories therefor
    • B24B23/005—Auxiliary devices used in connection with portable grinding machines, e.g. holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/007—Weight compensation; Temperature compensation; Vibration damping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines
    • B24B55/10—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided
    • B24B55/102—Dust extraction equipment on grinding or polishing machines specially designed for portable grinding machines, e.g. hand-guided with rotating tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
    • B24B7/10—Single-purpose machines or devices
    • B24B7/18—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like
    • B24B7/186—Single-purpose machines or devices for grinding floorings, walls, ceilings or the like with disc-type tools

Abstract

The invention discloses a construction method for accurately controlling the polishing depth of a wall surface, which adopts a dust-absorption type wall surface polishing system capable of adjusting the polishing depth. The method comprises the following steps: step one, setting all polishing depth adjusting assemblies to be required polishing depths; step two, starting the portable wall surface grinding machine, starting the dust collector, moving the portable wall surface grinding machine downwards along the wall surface when the grinding depth reaches the maximum, and grinding to form a vertical strip-shaped groove; moving the portable wall surface grinding machine to an adjacent area to be ground to form a second strip-shaped groove; and step four, repeating the step three until finishing the surface layer polishing construction of the wall surface. The method can realize accurate control of dust removal and polishing depth, and has the advantages of high construction efficiency and good construction quality.

Description

Construction method for accurately controlling wall surface polishing depth
Technical Field
The invention relates to a construction method for accurately controlling the polishing depth of a wall surface, and belongs to the technical field of building wall body modification.
Background
When the vertical face of the building brick wall is repaired by adopting brick powder, the old surface of the existing brick wall needs to be polished to expose a solid base layer, and meanwhile, in order to ensure that the repair finish face is clean, after the brick powder coated in batches is hardened, the surface layer needs to be polished to remove protrusions, burrs and the like.
When the wall body is polished, the polishing depth needs to be well controlled, the surface layer of the wall body needs to be polished in place, and the consistency of the overall polishing depth of the wall body needs to be maintained. At present, an operator controls the polishing depth by controlling the acting force applied to the polishing machine, the polishing precision is difficult to guarantee, and the problems of poor construction quality and low construction efficiency exist.
Disclosure of Invention
The construction method for accurately controlling the wall surface polishing depth aims at solving the problems that polishing precision is difficult to guarantee, construction quality is poor and construction efficiency is low when a polishing machine is used for polishing the wall surface, and has the advantages of being capable of accurately controlling the polishing depth, high in construction efficiency and good in construction quality.
In order to solve the technical problems, the invention comprises the following technical scheme:
a construction method for accurately controlling the polishing depth of a wall surface adopts a dust-absorption type wall surface polishing system capable of adjusting the polishing depth, wherein the dust-absorption type wall surface polishing system comprises a portable wall surface polishing machine, a dust absorption pipe, a dust collector and a dust collection box, and the portable wall surface polishing machine comprises a holding handle, a driving motor, a polishing cutter head, a dust cover, a plurality of hydraulic buffer components and a polishing depth adjusting component;
the back surface of the dust cover is fixed on the shell of the driving motor, and the polishing cutter head is positioned on the front surface of the dust cover and is fixedly connected with a transmission shaft of the driving motor;
the hydraulic buffer assembly is arranged on the front surface of the dust cover and comprises an outer shell, an inner shell, a hydraulic damper and universal wheels; one end of the inner shell is embedded in the outer shell and can slide relative to the outer shell along the axial direction; the other end of the outer shell is fixed on the front surface of the dust cover, and the universal wheel is arranged at the other end of the inner shell; the hydraulic damper is arranged in the inner shell and the outer shell, and two ends of the hydraulic damper are respectively fixedly connected with the outer shell and the inner shell;
the polishing depth adjusting assembly comprises a stepped limiting clamp, an adjusting button and a connecting rod; the end part of the shell is provided with a strip-shaped hole, the connecting rod is positioned in the strip-shaped hole and can move along the length direction of the strip-shaped hole, and the stepped limiting clamp and the adjusting button are respectively positioned at the two ends of the connecting rod; a notch is formed in the end part of the inner shell at the position corresponding to the stepped limiting clamp, and when the hydraulic damper contracts, the stepped limiting clamp can be abutted against the inner shell wall plate at the notch;
the front surface of the dust cover is provided with a dust absorption hole, one end of the dust absorption pipe is connected with the dust absorption hole, the other end of the dust absorption pipe is connected with a dust collector, and the dust collector is used for absorbing dust into the dust collection box;
the construction method comprises the following steps:
step one, determining the depth of a wall surface to be polished, adjusting the position of a stepped limiting clamp through an adjusting button, and setting all polishing depth adjusting components of the portable wall surface polisher to be the required polishing depth;
step two, starting the portable wall surface grinding machine, starting the dust collector, gradually pressing the grinding cutter head to the wall surface to grind a circular groove, and moving the portable wall surface grinding machine downwards along the wall surface when the grinding depth reaches the maximum, so as to grind and form a vertical strip-shaped groove; in the wall surface polishing process, a dust collector sucks dust into a dust collecting box;
moving the portable wall surface grinding machine to an adjacent area to be ground, supporting a universal wheel of a hydraulic buffer assembly on one side of the grinding cutter head in the ground area, and adjusting an adjusting button of the hydraulic buffer assembly in the ground area to enable the maximum moving depth of the universal wheel to be adjusted to be flush with the surface of the grinding cutter head; repeating the second step to form a second strip-shaped groove;
and step four, repeating the step three until finishing the surface layer polishing construction of the wall surface.
Further, be provided with the pilot lamp on the shell, be provided with the spacing card contact position of stairstepping on the inner shell wallboard and be used for controlling the touch switch of pilot lamp.
Further, in the second step, the judgment standard of the polishing depth reaching the maximum is that the inner shell moves to the stepped limiting card to trigger the touch switch and enable the indicator lamp to be turned on or to have color conversion.
Furthermore, the polishing depth adjusting assembly also comprises a positioning pin box, a positioning pin and a limiting card, wherein the positioning pin box is arranged on one side of the stepped limiting card, an opening is formed in the positioning pin box, the positioning pin is fixed in the positioning pin box through an elastic device, and the positioning pin extends out of the opening under the elastic force of the elastic device and can be retracted into the positioning pin box under the action of external force; the limiting clamp is arranged on the inner side of the end part of the shell and is provided with a sawtooth structure matched with the positioning pin.
Furthermore, a dial is arranged beside the strip-shaped hole at the outer side of the shell, and scales on the dial correspond to the grinding depth allowed by the stepped limiting clamp; the adjusting button is provided with a pointer matched with the dial for use.
Furthermore, the depth of the polishing depth adjusting assembly in the first step is set in a mode that an adjusting button is pushed to enable the reading on a dial indicated by a pointer to be the required polishing depth;
in the third step, "the maximum moving depth of the universal wheel is adjusted to be flush with the surface of the polishing cutter head", specifically, the adjusting button is pushed, so that the reading on the dial indicated by the pointer is zero.
Further, the dust cover comprises a hard outer frame, a transparent plate and a rib plate; the hard outer frame is fixedly connected with a shell of the driving motor through a ribbed plate; the transparent plate is fixed in the hard frame and used for observing the working condition of the polishing cutter head in the dust cover.
Furthermore, a rubber cover is arranged on the hard outer frame around the polishing cutter head, dust suction holes are formed in the rubber cover at the bottom, and air inlet holes are formed in the top of the rubber cover at the top.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
(1) the construction method adopts a dust-absorption type wall surface grinding system with adjustable grinding depth, wherein the portable wall surface grinding machine is provided with a dust collector, a hydraulic buffer assembly and a grinding depth adjusting assembly, and dust removal and accurate grinding depth adjustment can be realized. The polishing machine can be supported on the wall surface through the hydraulic buffer assembly, the position of the stepped limiting clamp can be adjusted through the polishing depth adjusting assembly, and the limiting effect on the movement of the inner shell is achieved, so that the telescopic position of the universal wheel is limited, and the polishing depth is adjusted; by arranging the positioning pin box, the positioning pin and the limiting card and correspondingly arranging the pointer and the dial, the polishing depth can be accurately controlled; through the touch switch who sets up pilot lamp and contact, the operating personnel of being convenient for judges whether reach the polishing depth of settlement.
(2) The portable wall surface grinding machine adopted by the dust collection type wall surface grinding system with the grinding depth adjustable is provided with the hard frame and the rib plate, so that the dust cover and the motor shell are firmly connected together, and the stability of the dust cover is improved; the transparent plate is arranged, so that the real-time polishing condition of the inner wall body of the dust cover can be observed conveniently; through setting up rubber cover and dust catcher, can prevent that the in-process dust of polishing from spilling over, play the dust fall effect.
Drawings
FIG. 1 is a schematic view of a dust-absorbing wall-polishing system with adjustable polishing depth according to an embodiment of the present invention;
FIG. 2 is a schematic view of the back of the portable wall sander in one embodiment of the present invention;
FIG. 3 is a schematic front view of a portable wall sander in accordance with one embodiment of the present invention;
FIG. 4 is a schematic diagram of a hydraulic cushion assembly and a sanding depth adjustment assembly in accordance with one embodiment of the present invention;
FIG. 5 is a horizontal cross-sectional view of a hydraulic cushion assembly;
FIG. 6 is a schematic view of the sanding depth adjustment assembly;
FIG. 7 is a schematic structural view of the position-limiting clip disposed on the housing;
FIG. 8 is a diagram of the relationship of the sanding depth adjustment assembly to the outer shell and the inner shell;
FIG. 9 is a diagram showing the positional relationship among the pin box, the pin, and the stopper;
FIG. 10 is a cross-sectional view of the dowel box;
fig. 11 to 13 are schematic views of wall surface polishing construction of the portable wall surface polisher.
The numbers in the figures are as follows:
100-portable wall sander; 200-a dust suction pipe; 300-a dust collection box; 301-dust discharge hatch door; 302-an exhaust grill;
1-a grip handle; 2-driving the motor; 3-grinding the cutter head;
4-dustproof cover, 41-hard outer frame; 42-a transparent plate; 43-ribbed plate; 44-a rubber cover; 45-dust suction hole;
5-a hydraulic buffer assembly; 51-a housing; 511-strip shaped holes; 52-inner shell; 521-a notch; 53-hydraulic dampers; 54-universal wheels;
6-grinding depth adjusting assembly; 61-step-shaped limit card; 62-an adjustment button; 63-connecting rod; 64-an indicator light; 65-touch switch; 66-a saw-tooth limiting card; 67-locating pins; 68-locating pin boxes; 69-elastic means; 70-dial plate; 71-a pointer; 8, a wall surface; 81-polished area; 82-construction path.
Detailed Description
The construction method for accurately controlling the wall surface polishing depth provided by the invention is further described in detail below by combining the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more apparent in conjunction with the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.
Example one
As shown in fig. 1, the dust-suction type wall surface grinding system with adjustable grinding depth provided by the present embodiment includes a portable wall surface grinder 100, a dust suction pipe 200, and a dust collection box 300. Referring to fig. 2 and 3, the portable wall surface grinding machine 100 includes a grip handle 1, a driving motor 2, a grinding cutter head 3, a dust cover 4, a plurality of hydraulic cushion units 5, and a grinding depth adjusting unit 6. The prior art can be adopted for the holding handle 1, the driving motor 2 and the grinding cutter head 3, and the specific structure, the connection relation and the working principle of the prior art are not described in detail. The dust box 300 is internally provided with a dust collector, the dust box is provided with a dust discharging cabin door 301 and an exhaust grille 302, the dust collector can adopt the prior art, gas and dust in the dust cover 4 are sucked into the dust box 300, then the gas is exhausted, the dust is left in the dust box, and the specific structure and the dust collection principle of the dust collector are not detailed.
The back of the dust cover 4 is fixed on the shell of the driving motor 2, and the polishing cutter head 3 is located on the front of the dust cover 4 and is fixedly connected with a transmission shaft of the driving motor 2. Further, the dust cover 4 includes a hard outer frame 41, a transparent plate 42 and a rib plate 43, the positions of four corners of the hard outer frame 41 are respectively and fixedly connected with the housing of the driving motor 2 through one rib plate 43, the hard outer frame 41 is a rectangular frame formed by plates with an L-shaped cross section, and the transparent plate 42 is fixed in the hard frame. The transparent plate 42 can be sleeved on the shell of the driving motor or the transmission shaft of the driving motor. Through setting up stereoplasm frame and floor 43, make dust cover 4 and drive motor casing firmly link together, improved the stability of dust cover 4. Through setting up transparent plate 42, be convenient for observe the dust cover 4 interior wall body condition of polishing in real time.
As shown in fig. 3, one hydraulic cushion unit 5 is disposed at each of four corners of the front surface of the rigid outer frame 41. As shown in fig. 4 and 5, the hydraulic buffer assembly 5 includes an outer casing 51, an inner casing 52, a hydraulic damper 53, and a universal wheel 54. One end of the inner shell 52 is embedded in the outer shell 51 and can slide relative to the outer shell 51 along the axial direction. The hydraulic damper 53 is disposed in the inner shell 52 and the outer shell 51, and both ends of the hydraulic damper are respectively fixedly connected with the outer shell 51 and the inner shell 52. A universal wheel 54 is provided at the other end of the inner shell 52, and a hydraulic damper 53 provides compression damping and a resilient force to the universal wheel 54. Specifically, the outer shell 51 and the inner shell 52 each include a closed end and an open end, the closed end of the outer shell 51 is fixed on the front surface of the dust cover, and the open end of the inner shell 52 is arranged in the outer shell 51 and can slide along the axial direction of the outer shell 51; the universal wheel 54 is disposed outside the closed end of the inner case 52.
As shown in fig. 6 to 8, the sanding depth adjusting assembly 6 includes a stepped stopper 61, an adjusting button 62, and a link 63. The closed end of the outer shell 51 is provided with a strip-shaped hole 511, the connecting rod 63 is positioned in the strip-shaped hole 511 and can move along the length direction of the strip-shaped hole 511, the stepped limiting clamp 61 and the adjusting button 62 are respectively positioned at two ends of the connecting rod 63, a notch 521 is arranged at the end part of the inner shell 52 at the position corresponding to the stepped limiting clamp 61, when the hydraulic damper 53 contracts, the stepped limiting clamp 61 can be abutted to the wall plate of the inner shell 52 below the notch 521, the movement of the inner shell 52 is limited, and therefore the telescopic position of the universal wheel 54 is limited, and the polishing depth is adjusted. Further, the tip of shell 51 is provided with pilot lamp 64, the position of contact with stairstepping spacing card 61 on the inner shell 52 wallboard is provided with the touch switch 65 that is used for controlling pilot lamp 64, when inner shell 52 tip supported on stairstepping spacing card 61, triggered touch switch 65, pilot lamp 64 lights or pilot lamp 64 turns into green by red, reminds operating personnel to reach the depth of polishing. By pushing the adjusting button 62, the contact position of the stepped limiting clamp 61 and the wall plate of the inner shell 52 can be adjusted, so that the polishing depth can be adjusted. The housing 51 of the sanding depth adjustment assembly 6 is fixed to a rigid frame on the front of the dust cover, and the rigid frame is provided with an opening so that an operator can operate the adjustment button 62 and the observation indicator lamp 64 on the back of the dust cover.
Further, as shown in fig. 6, 9 and 10, a positioning pin box 68 is disposed on one side of the stepped limiting card 61, an opening is disposed on the positioning pin box 68, a positioning pin 67 is disposed in the positioning pin box 68, the positioning pin 67 is fixed by an elastic sheet 69, the positioning pin 67 extends from the opening and can be retracted into the positioning pin box 68 under the action of an external force, and a zigzag limiting card 66 used in cooperation with the positioning pin 67 is disposed on the inner side of the end portion of the housing 51. The adjusting button 62 is pushed, the positioning pin 67 can slide on the sawtooth-shaped limiting clamp 66, and under the action of the elastic sheet 69 in the positioning box, the tip end of the positioning pin 67 is clamped in the tooth groove of the sawtooth-shaped limiting clamp 66, so that the positioning pin 67 and the sawtooth-shaped limiting clamp 66 are engaged in a grading manner, and the positioning of the stepped-shaped limiting clamp 61 is realized. In a more preferred embodiment, as shown in fig. 4 and 7, a dial 70 is provided on the housing 51 on the side of the adjustment button 62, and a pointer 71 is provided on the adjustment button 62, and the data of the pointer 71 on the dial 70 represents the allowable sanding depth, thereby precisely controlling the sanding depth of the sanding cutterhead.
The preferred mode of operation of the sanding depth adjustment assembly 6 is further described below. For example, the polishing depth which can be adjusted by the stepped limit card 61 of the polishing depth adjusting assembly 6 is 0mm, 5mm, 10mm, 15mm and 20mm, corresponding scales are marked on the dial 70, and the pointer 71 indicates the currently allowed maximum polishing depth of the polishing machine when pointing on the corresponding scales. After the wall surface grinding depth is determined, for example, the grinding depth is 10mm, the adjusting button 62 is pushed, the connecting rod 63 moves up and down in the strip-shaped hole 511 to drive the stepped limiting clamp 61 to move, the positioning pin 67 on the side of the stepped limiting clamp 61 slides on the sawtooth limiting clamp 66 under the action of elasticity and thrust, when the pointer on the adjusting button 62 points at the position of 10mm, the adjusting button 62 stops being pushed, and the positioning pin is meshed and fixed with the sawtooth limiting clamp 66. When a grinding cutter head of the grinding machine is pressed to a wall surface, the grinding depth is gradually increased, and the inner shell 52 compresses the hydraulic damper 53 and retracts into the outer shell 51 along the axial direction; when the grinding depth reaches 10mm, the wall plate below the notch 521 of the inner shell 52 abuts against the stepped limiting clamp 61, and the inner shell 52 cannot move continuously, so that the grinding depth of the grinding machine is limited to 10 mm; at this moment, the stepped limiting card 61 triggers the touch switch 65, the indicator lamp 64 lights or turns from red to green, and the operator is prompted that the wall surface reaches the set polishing depth. Therefore, the grinding machine provided by the embodiment can realize accurate adjustment of the grinding depth by matching the adjusting button 62, the stepped limiting clamp 63, the notch 521 of the inner shell, the positioning pin 67, the sawtooth limiting clamp 66, the positioning pin box 68, the elastic device 69, the pointer 71 and the dial 70; set up on the wallboard of the notch 521 below through the inner shell and touch switch 65, shell tip and set up pilot lamp 64, when using with other subassembly cooperations of the degree of depth adjustment subassembly 6 of polishing, can realize that the wall reaches when setting for the degree of depth of polishing, in time remind operating personnel to carry out operation on next step, can effectively improve the efficiency of construction.
The front of the hard frame of the dust cover 4 is provided with a rubber cover 44 around the polishing cutter head, the rubber cover 44 has certain elasticity, and when the wall is polished, the polishing cutter head 3 can be pressed to the wall surface to ensure the close contact with the wall surface. The rubber cover 44 on the bottom edge of the hard frame is called a rubber bottom support, the dust collection holes 45 can be in the form of mesh baffles arranged on the rubber bottom support, for example, the mesh baffles are circular tubes with sealed top ends, a plurality of holes are formed in the peripheral side walls, and the bottom ends of the mesh baffles are connected with the dust collection tubes. The rubber bottom support has a certain gradient, so that dust can conveniently gather into the dust collection hole 45. Correspondingly, on top of the dust cover, an air inlet is provided. Preferably, the dust cover is provided with a soft brush, and the soft brush has certain flexibility and plays a role of cleaning the wall surface when the polisher moves along the wall surface.
In summary, the dust-absorbing wall surface polishing system capable of adjusting polishing depth provided by the invention has the following advantages:
(1) the portable wall polisher that adopts is provided with dust catcher and hydraulic cushion subassembly 5, the degree of depth adjusting part 6 of polishing, can realize removing dust and the accurate regulation of the degree of depth of polishing. The polisher can be supported on the wall surface through the hydraulic buffer assembly 5, the position of the stepped limiting clamp 61 can be adjusted through the polishing depth adjusting assembly 6, and the inner shell 52 can be limited in movement, so that the telescopic position of the universal wheel 54 is limited, and the polishing depth is adjusted; by arranging the positioning pin box 68, the positioning pin 67 and the sawtooth-shaped limiting card 66 and correspondingly arranging the pointer 71 and the dial 70, the polishing depth can be accurately controlled; through setting up pilot lamp 64 and the touch switch 65 of contact, be convenient for operating personnel and judge whether reach the depth of polishing of settlement.
(2) The adopted portable wall surface grinding machine is provided with the hard frame and the rib plate 43, so that the dust cover 4 is firmly connected with the shell of the drive motor, and the stability of the dust cover 4 is improved; the transparent plate 42 is arranged, so that the real-time polishing condition of the inner wall body of the dust cover 4 can be observed conveniently; through setting up rubber cover 44, dust catcher and dust collection box, can prevent that the in-process dust of polishing from spilling over, play the dust fall effect.
Example two
The present embodiment provides a construction method for accurately controlling a wall surface polishing depth, which is further described with reference to fig. 11 to 13 and fig. 1 to 10 by using the dust suction type wall surface polishing system with an adjustable polishing depth in the first embodiment. The construction method comprises the following steps:
step one, determining the depth of a wall surface to be polished, adjusting the position of a stepped limiting clamp 61 through an adjusting button 62, and setting all polishing depth adjusting components 6 of the portable wall surface polishing machine to be the required polishing depth;
step two, as shown in fig. 11, starting the portable wall surface polisher and starting the dust collector to gradually press the polishing cutter head to the wall surface 8 to polish a circular groove, as shown in fig. 12, when the polishing depth reaches the maximum, moving the portable wall surface polisher downwards along the wall surface 8 to polish and form a vertical strip-shaped groove; in the wall surface polishing process, the dust collector sucks dust into the dust collection box 300;
step three, as shown in fig. 13, the portable wall surface grinding machine is moved to the adjacent to-be-ground area, the universal wheel of the hydraulic buffer assembly at one side of the grinding cutter head 3 is supported in the ground area 81, the other side of the hydraulic buffer assembly is supported in the to-be-ground area, the adjusting button of the hydraulic buffer assembly in the ground area is adjusted, the maximum moving depth of the universal wheel is adjusted to be flush with the surface of the grinding cutter head, and the position of the adjusting button in the to-be-ground area is unchanged; repeating the second step to form a second strip-shaped groove;
and step four, repeating the step three until finishing the surface layer polishing construction of the wall surface. During the wall surface grinding process, the wall surface grinding can be performed in sequence according to the construction path 82 in fig. 13.
The criterion of "when the polishing depth reaches the maximum" in the second step is that the polishing cutter head is pressed to the wall surface by force, and the inner shell 52 and the outer shell 51 of the hydraulic buffer assembly 5 do not move any more, that is, the end of the inner shell 52 is already abutted against the stepped limiting clamp 61. In a more preferable embodiment, the outer shell 51 is provided with an indicator lamp 64, and the contact part of the wall plate of the inner shell 52 and the stepped limit card 61 is provided with a touch switch 65 for controlling the indicator lamp 64; in the second step, the criterion of "when the polishing depth reaches the maximum" is that the inner shell 52 moves to the stepped limit card 61 to trigger the touch switch 65 and turn on the indicator lamp 64 or perform color conversion, for example, the indicator lamp may be changed from red to green. The portable wall polisher moves down, and the indicator lamp 64 is always kept on or green when the vertical strip-shaped grooves are polished.
Further, the grinding depth adjusting assembly 6 further comprises a positioning pin box 68, a positioning pin 67 and a sawtooth-shaped limiting clamp 66, the positioning pin box 68 is arranged on one side of the stepped limiting clamp 61, an opening is formed in the positioning pin box 68, the positioning pin 67 is fixed in the positioning pin box 68 through an elastic device, the positioning pin 67 extends out of the opening under the elastic force of the elastic device and can retract into the positioning pin box 68 under the external force; the sawtooth-shaped limiting clamp 66 is arranged on the inner side of the end part of the shell 51, and a sawtooth-shaped structure matched with the positioning pin 67 is arranged on the sawtooth-shaped limiting clamp 66; a dial 70 is arranged beside the strip-shaped hole 511 on the outer side of the shell 51, and scales on the dial 70 correspond to the grinding depth allowed by the stepped limiting clamp 61; the adjusting button 62 is provided with a pointer 71 matched with the dial 70;
the depth of the sanding depth adjustment assembly 6 in step one is set by pushing the adjustment button 62 so that the dial 70 indicated by the pointer 71 reads the desired sanding depth.
In the third step, "the maximum moving depth of the universal wheel 54 is adjusted to be flush with the surface of the polishing cutterhead 3", specifically, the adjusting button 62 is pushed to make the reading on the dial 70 indicated by the pointer 71 be zero. The reading 0 on the dial 70 corresponds to that when the end part of the inner shell 52 is pressed against the stepped limiting clamp 61, the end part of the universal wheel 54 is flush with the grinding cutterhead 3. The reading H on the dial 70 corresponds to the distance H that the grinding cutterhead 3 exceeds the end part of the universal wheel 54 when the end part of the inner shell 52 is abutted against the stepped limiting clamp 61.
Further, a rubber cover 44 is arranged on the hard outer frame around the grinding cutter head 3, dust suction holes are formed in the rubber cover at the bottom, and air inlet holes are formed in the top of the rubber cover.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (8)

1. A construction method for accurately controlling the polishing depth of a wall surface is characterized in that a dust-absorption type wall surface polishing system capable of adjusting the polishing depth is adopted, the dust-absorption type wall surface polishing system comprises a portable wall surface polishing machine, a dust absorption pipe, a dust absorption machine and a dust collection box, and the portable wall surface polishing machine comprises a holding handle, a driving motor, a polishing cutter head, a dust cover, a plurality of hydraulic buffer assemblies and a polishing depth adjusting assembly;
the back surface of the dust cover is fixed on the shell of the driving motor, and the polishing cutter head is positioned on the front surface of the dust cover and is fixedly connected with a transmission shaft of the driving motor;
the hydraulic buffer assembly is arranged on the front surface of the dust cover and comprises an outer shell, an inner shell, a hydraulic damper and universal wheels; one end of the inner shell is embedded in the outer shell and can slide relative to the outer shell along the axial direction; one end of the outer shell is fixed on the front surface of the dust cover, and the universal wheel is arranged at the other end of the inner shell; the hydraulic damper is arranged in the inner shell and the outer shell, and two ends of the hydraulic damper are respectively fixedly connected with the outer shell and the inner shell;
the polishing depth adjusting assembly comprises a stepped limiting clamp, an adjusting button and a connecting rod; the end part of the shell is provided with a strip-shaped hole, the connecting rod is positioned in the strip-shaped hole and can move along the length direction of the strip-shaped hole, and the stepped limiting clamp and the adjusting button are respectively positioned at the two ends of the connecting rod; a notch is formed in the end part of the inner shell at the position corresponding to the stepped limiting clamp, and when the hydraulic damper contracts, the stepped limiting clamp can be abutted against the inner shell wall plate at the notch;
the front surface of the dust cover is provided with a dust absorption hole, one end of the dust absorption pipe is connected with the dust absorption hole, the other end of the dust absorption pipe is connected with a dust collector, and the dust collector is used for absorbing dust into the dust collection box;
the construction method comprises the following steps:
step one, determining the depth of a wall surface to be polished, adjusting the position of a stepped limiting clamp through an adjusting button, and setting all polishing depth adjusting components of the portable wall surface polisher to be the required polishing depth;
step two, starting the portable wall surface grinding machine, starting the dust collector, gradually pressing the grinding cutter head to the wall surface to grind a circular groove, and moving the portable wall surface grinding machine downwards along the wall surface when the grinding depth reaches the maximum, so as to grind and form a vertical strip-shaped groove; in the wall surface polishing process, a dust collector sucks dust into a dust collecting box;
moving the portable wall surface grinding machine to an adjacent area to be ground, supporting a universal wheel of a hydraulic buffer assembly on one side of the grinding cutter head in the ground area, and adjusting an adjusting button of the hydraulic buffer assembly in the ground area to enable the maximum moving depth of the universal wheel to be adjusted to be flush with the surface of the grinding cutter head; repeating the second step to form a second strip-shaped groove;
and step four, repeating the step three until finishing the surface layer polishing construction of the wall surface.
2. The construction method according to claim 1, wherein an indicator light is arranged on the outer shell, and a touch switch for controlling the indicator light is arranged on a contact part of the inner shell wall plate and the stepped limiting card.
3. The construction method according to claim 2,
in the second step, the judgment standard of the polishing depth reaching the maximum is that the inner shell moves to the stepped limiting card to trigger the touch switch and enable the indicator lamp to be lightened or to have color conversion.
4. The construction method according to claim 1, wherein the sanding depth adjusting assembly further comprises a positioning pin box, a positioning pin and a limiting clamp, the positioning pin box is arranged on one side of the stepped limiting clamp, an opening is formed in the positioning pin box, the positioning pin is fixed in the positioning pin box through an elastic device, the positioning pin extends out of the opening under the elastic force of the elastic device and can retract into the positioning pin box under the external force; the limiting clamp is arranged on the inner side of the end part of the shell and is provided with a sawtooth structure matched with the positioning pin.
5. The construction method according to claim 4,
a dial is arranged beside the strip-shaped hole at the outer side of the shell, and scales on the dial correspond to the grinding depth allowed by the stepped limiting clamp; the adjusting button is provided with a pointer matched with the dial for use.
6. The construction method according to claim 5,
the depth of the polishing depth adjusting assembly in the first step is set in a mode that an adjusting button is pushed to enable the reading on a dial disc indicated by a pointer to be the required polishing depth;
in the third step, "the maximum moving depth of the universal wheel is adjusted to be flush with the surface of the polishing cutter head", specifically, the adjusting button is pushed, so that the reading on the dial indicated by the pointer is zero.
7. The construction method according to claim 1,
the dust cover comprises a hard outer frame, a transparent plate and a ribbed plate; the hard outer frame is fixedly connected with a shell of the driving motor through a ribbed plate; the transparent plate is fixed in the hard frame and used for observing the working condition of the polishing cutter head in the dust cover.
8. The construction method according to claim 7,
the periphery of the polishing cutter head is provided with a rubber cover, dust suction holes are formed in the rubber cover at the bottom, and an air inlet hole is formed in the top of the rubber cover at the top.
CN202010488344.7A 2020-06-02 2020-06-02 Construction method for accurately controlling wall surface polishing depth Active CN111745486B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2088512A1 (en) * 1990-08-01 1992-02-02 James Leonard Beckett A mobile floor grinding vehicle
CN103991015A (en) * 2014-05-29 2014-08-20 傅月华 Wall polisher
CN206883354U (en) * 2017-06-10 2018-01-16 宁波菲格工具有限公司 A kind of wall surface grinding machine sweep-up pipe exchanging structure
CN208246442U (en) * 2018-05-31 2018-12-18 天津中德应用技术大学 Automatically grinding dust pelletizing system
CN208304625U (en) * 2018-04-17 2019-01-01 淮安市欣易佳塑业科技有限公司 A kind of wall surface grinding device of adjustable grinding depth
CN208681192U (en) * 2018-03-14 2019-04-02 广东善建建设股份有限公司 A kind of build concrete wall surface grinding device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030171079A1 (en) * 2002-03-07 2003-09-11 Hoton How Method and apparatus of obtaining suction control over surface cleaning and scraping

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2088512A1 (en) * 1990-08-01 1992-02-02 James Leonard Beckett A mobile floor grinding vehicle
CN103991015A (en) * 2014-05-29 2014-08-20 傅月华 Wall polisher
CN206883354U (en) * 2017-06-10 2018-01-16 宁波菲格工具有限公司 A kind of wall surface grinding machine sweep-up pipe exchanging structure
CN208681192U (en) * 2018-03-14 2019-04-02 广东善建建设股份有限公司 A kind of build concrete wall surface grinding device
CN208304625U (en) * 2018-04-17 2019-01-01 淮安市欣易佳塑业科技有限公司 A kind of wall surface grinding device of adjustable grinding depth
CN208246442U (en) * 2018-05-31 2018-12-18 天津中德应用技术大学 Automatically grinding dust pelletizing system

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