CN113290438A - Attached type outer wall vertical joint polishing device - Google Patents
Attached type outer wall vertical joint polishing device Download PDFInfo
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- CN113290438A CN113290438A CN202110502812.6A CN202110502812A CN113290438A CN 113290438 A CN113290438 A CN 113290438A CN 202110502812 A CN202110502812 A CN 202110502812A CN 113290438 A CN113290438 A CN 113290438A
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- 238000005498 polishing Methods 0.000 title claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 230000001681 protective effect Effects 0.000 claims abstract description 49
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 230000009194 climbing Effects 0.000 claims description 18
- 230000033001 locomotion Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 34
- 239000011449 brick Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000013011 mating Effects 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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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
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses an attached type outer wall perps polishing device which comprises a guide rail, a lifting device, a jig frame, a limiting device, a sliding rod and a movable polishing mechanism. The lifting devices are arranged on the guide rails, and the left end and the right end of the jig frame are fixedly connected with the lifting devices on the two guide rails respectively; the movable polishing mechanism is arranged on the sliding rod and can horizontally slide along the sliding rod; two ends of the sliding rod are fixed on the jig frame through limiting devices; the movable polishing mechanism comprises a polishing driving motor, a driving shaft, a plurality of driving gear units, a protective shell, a plurality of movable polishing units, a translation driving motor and a movable support; the mobile grinding unit comprises a box body, a straight saw blade and a transmission assembly. The vertical joint polishing device has the advantages of high construction efficiency, high slotting precision and good construction quality, can realize mechanical and automatic construction, and greatly reduces the safety risk of construction.
Description
Technical Field
The invention relates to a grinding tool in building repair, in particular to an attached type outer wall vertical joint grinding device.
Background
When the brick wall surface of the existing building is repaired, the original damaged brick joints need to be polished off, the damaged brick joints are repaired again by adopting a special repairing agent, and the process of polishing the damaged brick joints is often called cracking. The conventional slotting process is characterized in that a handheld angle grinder is manually adopted to gradually polish along the original brick joints, an upper bevel angle and a lower bevel angle need to be polished for one brick joint, residual wedge-shaped protrusions after polishing are removed by a special tool, polishing is slow, working procedures are complex, and the construction effect is greatly limited by the technical level of workers.
In addition, if the building height is high, workers need to ascend, certain safety risks are caused, and extra safety measures need to be taken.
Disclosure of Invention
The invention provides an attached type outer wall vertical joint polishing device, aiming at the problems of slow polishing, poor construction quality and low construction safety of damaged brick joints during the repair of brick walls of existing buildings.
In order to solve the technical problems, the invention comprises the following technical scheme:
an attached type outer wall perps polishing device comprises a guide rail, a lifting device, a jig frame, a limiting device, a sliding rod and a movable polishing mechanism;
the two guide rails are arranged in parallel at intervals, and climbing teeth are arranged on one side of each guide rail along the height direction;
the lifting device is arranged on the guide rail and comprises a lifting driving motor, a gear matched with the climbing teeth is arranged at the front end of the lifting driving motor, and the lifting driving motor drives the lifting device to move along the length direction of the guide rail;
the jig frame is of a frame structure, and the left end and the right end of the jig frame are fixedly connected with the lifting devices on the two guide rails respectively;
the two sliding rods are arranged at intervals up and down, and the movable polishing mechanism is arranged on the sliding rods and can horizontally slide along the sliding rods; two ends of the sliding rod are fixed on the jig frame through limiting devices, and the limiting devices are used for enabling the movable polishing mechanism to move along the normal direction of the jig frame;
the movable polishing mechanism comprises a polishing driving motor, a driving shaft, a plurality of driving gear units, a protective shell, a plurality of movable polishing units, a translation driving motor and a movable support; the driving gear units are arranged on the driving shaft at intervals, and the driving shaft and the driving gear units are arranged in the protective shell; the movable polishing units are horizontally arranged at intervals and comprise box bodies, straight saw blades and transmission assemblies, the box bodies are arranged on the side parts of the protective shells, and the transmission assemblies are arranged in the box bodies; one side, back to the protective shell, of the box body is provided with a vertical notch, the straight saw blades are arranged at the end part of the transmission assembly and extend out of the vertical notch, and the distance between the straight saw blades of two adjacent movable polishing units is matched with the distance between vertical seams of the wall body; the polishing driving motor drives the driving shaft to rotate, and the driving gear unit drives the transmission assembly to move up and down in a reciprocating manner, so that the straight saw blade is driven to move up and down in a reciprocating manner; the movable support is arranged on the back side of the protective shell, and the translation driving motor can enable the movable support to slide along the sliding rod.
Furthermore, a verticality adjusting device is arranged on the other side, opposite to the climbing tooth, of the guide rail; the verticality adjusting device comprises a rotary connecting piece and a horizontal fine-tuning connecting piece, and the rotary connecting piece and the horizontal fine-tuning connecting piece both comprise telescopic rods;
one end of a telescopic rod of the rotary connecting piece is hinged with the guide rail, and the other end of the telescopic rod is fixedly connected with the supporting structure;
one end of a telescopic rod of the horizontal fine-tuning connecting piece is connected with the guide rail through the horizontal fine-tuning structure, and the other end of the telescopic rod is fixedly connected with the supporting structure.
Furthermore, the lifting device also comprises a special-shaped base, wherein a vertical slot hole matched with the cross section of the guide rail is formed in the special-shaped base, the special-shaped base is buckled on the guide rail and can slide up and down along the guide rail, and the climbing tooth of the guide rail is positioned in the vertical slot hole;
the lifting driving motor is fixed on the side part of the special-shaped base, a transmission shaft of the lifting driving motor penetrates through the side part of a vertical slotted hole of the special-shaped base, and a gear matched with the climbing teeth is installed on the transmission shaft in the vertical slotted hole;
the lifting device also comprises a hydraulic telescopic mechanism, a movable sliding block, a supporting leg and a pressure sensor;
the hydraulic telescopic mechanism is arranged on the side wall of the special-shaped base opposite to the guide rail, one side of the movable sliding block is fixedly connected with the end part of the hydraulic telescopic mechanism, the other side of the movable sliding block opposite to the hydraulic telescopic mechanism is provided with a support leg, the front end of the support leg is provided with a pressure sensor, and the hydraulic telescopic mechanism can push the movable sliding block to move;
when the pressure sensor touches the wall, a stop signal is fed back to the hydraulic telescopic mechanism, and the hydraulic telescopic mechanism stops telescopic movement; four corners of the jig frame are respectively and fixedly connected with the movable sliding blocks on the lifting devices at corresponding positions.
Furthermore, the limiting device comprises an outer frame, a sliding block, a pre-pressing spring and a pressure contact; the outer frame is fixed on the jig frame, and the length direction of the outer frame is consistent with the normal direction of the jig frame; the sliding block can slide along the length direction of the outer frame, one end of the prepressing spring abuts against the outer frame, the other end of the prepressing spring abuts against the sliding block, the prepressing spring provides acting force for the sliding block to move along the length direction of the outer frame, the end part of the sliding rod is fixedly connected with the sliding block, and the sliding block drives the sliding rod and the movable polishing mechanism to move along the normal direction of the jig frame; the outer frame is also provided with a pressure contact, and when the sliding block slides to be in contact with the pressure contact, the polishing depth meets the requirement.
Further, the driving gear unit includes a positive driving gear and a negative driving gear; the positive driving gear and the negative driving gear are both in fan shapes with central angles smaller than 180 degrees; the positive driving gear and the negative driving gear are arranged in reverse;
the transmission assembly comprises a special-shaped connecting piece and a driven wheel, the driven wheel is fixed in the box body through a bearing, and the special-shaped connecting piece is vertically connected with the box body in a sliding manner; a positive matching rack and a negative matching rack are arranged on the special-shaped connecting piece, the positive matching rack is matched with the positive driving gear, and the negative matching rack is matched with the negative driving gear through a driven gear; the polishing driving motor drives the driving shaft to rotate, and the positive driving gear and the negative driving gear are alternately meshed with the positive matching rack and the driven gear.
Furthermore, each group of driving gear units comprises a plurality of positive driving gears and a plurality of reverse driving gears, one reverse driving gear is arranged between every two adjacent positive driving gears, and one positive driving gear is arranged between every two adjacent reverse driving gears;
an opening is formed in the protective shell at the connection position of the protective shell and the box body, and the positive driving gear and the negative driving gear are connected with the transmission assembly;
the movable grinding unit further comprises a wing plate, the box body is fixed on the wing plate, and the wing plate is used for plugging the opening; the wing plate is provided with a sliding flange, the protective shell is provided with a sliding groove, and the sliding flange can horizontally slide in the sliding groove, so that the box body is driven to move, and the distance between the straight saw blades of the adjacent movable polishing units is adjusted.
Furthermore, be provided with the scale mark on the protective housing of box top, the scale mark with positive drive gear and reverse drive gear are corresponding, and when straight saw blade and scale mark correspond, positive cooperation rack is corresponding with positive drive gear's position, it is corresponding with the position of reverse drive gear to follow the driving wheel.
Further, be provided with a plurality of constant head tanks on the pterygoid lamina, be provided with the catch that matches with the constant head tank on the protective housing, when the catch inserts in the constant head tank, just cooperate the rack and correspond with the position of positive drive gear, it is corresponding with the position of counter drive gear to follow the driving wheel.
Furthermore, the driving shaft is provided with convex ribs, the positive driving gear and the negative driving gear are provided with grooves matched with the convex ribs, and the grooves of the positive driving gear and the negative driving gear are in snap fit with the grooves of the driving shaft;
the driving shaft extends out of the protective shell, a telescopic positioning key is arranged on the outer side of the protective shell, the telescopic positioning key comprises a telescopic rod and a certain U-shaped positioning plate, and the U-shaped positioning plate comprises a top plate, a long vertical plate and a short vertical plate; one end of the telescopic rod is fixed on the protective shell, and the other end of the telescopic rod is connected with the top of the top plate; the long vertical plates and the short vertical plates are arranged at intervals, and the top parts of the long vertical plates and the short vertical plates are fixedly connected with the bottom parts of the top parts respectively; the distance between the long vertical plate and the short vertical plate is matched with the width of the convex rib on the driving shaft; the telescopic link drives the U-shaped locating plate to move, and when the convex rib is located between the long vertical plate and the short vertical plate, the positive drive gear and the reverse drive gear are located in an initial state.
Furthermore, the vertical seams are arranged discontinuously, and the height of each section of vertical seam is H;
the length of the arc sections of the positive driving gear and the reverse driving gear is L;
the straight saw blade comprises a plurality of sections of saw teeth, each group of saw teeth corresponds to one section of vertical joint, and the length of each group of saw teeth is a; wherein H ═ L + a.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects: the vertical guide rail is arranged, and the lifting device is used for controlling the jig frame to lift, so that the movable polishing mechanism is driven to realize vertical joint construction, the movable polishing mechanism comprises a plurality of movable polishing units, a plurality of vertical joint constructions can be completed simultaneously, the construction efficiency is improved, especially when the straight saw blade comprises a plurality of sections, a plurality of rows and a plurality of rows of vertical joint constructions can be completed simultaneously, and the vertical joint construction speed is further improved; moreover, the verticality of the guide rail can be ensured by arranging the rotary connecting piece and the horizontal fine-tuning connecting piece; the distance between the jig frame and the wall surface can be ensured to be consistent by arranging the hydraulic telescopic mechanism, the movable sliding block, the support legs and the pressure sensor, and the distance can provide guarantee for accurate grooving; in addition, the accurate control of the polishing depth can be realized by arranging the elastic limiting mechanism, and the construction quality is improved. In a word, the attached type outer wall perps polishing device provided by the invention has the advantages of high construction efficiency, high slotting precision and good construction quality, can realize mechanical and automatic construction, and greatly reduces the safety risk of construction.
Drawings
FIG. 1 is a schematic structural view of an attached type external wall perps polishing device of the present invention;
FIG. 2 is a schematic structural view of the guide rail and verticality adjusting device of the present invention;
FIG. 3 is a schematic view of the lifting device of the present invention;
FIG. 4 is a schematic structural view of the stopper device of the present invention;
FIG. 5 is a schematic structural view of a mobile grinding mechanism of the present invention;
FIG. 6 is a schematic view of another aspect of the present invention;
FIG. 7 is a schematic view of the construction of the drive shaft and drive gear unit of the present invention;
fig. 8 is a schematic structural view of a driving gear unit of the present invention;
FIG. 9 is a schematic view of the construction of the mobile sanding unit of the present invention;
FIG. 10 is a schematic structural view of the transmission assembly of the present invention;
FIG. 11 is a schematic view of another aspect of the transmission assembly of the present invention;
FIG. 12 is a view showing the connection between the forward driving gear and the reverse driving gear and the initial state of the transmission assembly according to the present invention;
FIG. 13 is a schematic view of the connection between the forward drive gear and the reverse drive gear of the present invention and the intermediate state of the transmission assembly;
FIG. 14 is a schematic view of the protective case of the present invention with a retractable positioning key;
FIG. 15 is a view showing the connection between the retractable positioning key and the driving shaft according to the present invention;
FIG. 16 is a schematic view of the protective case of the present invention having graduations;
FIG. 17 is a schematic view of a straight saw blade of the present invention;
fig. 18 is a schematic view showing the automatic slotting device for attached brick walls of the present invention installed on a scaffold.
The numbers in the figures are as follows:
1-a wall body; 2-scaffold;
10-a guide rail; 11-climbing teeth; 12-a rotary connection; 13-horizontal fine tuning of the connection; 14-a verticality monitor;
20-a lifting device; 21-a lifting drive motor; 22-a shaped base; 23-a hydraulic telescoping mechanism; 24-moving the slider; 25-a leg; 26-a pressure sensor; 30-a jig frame;
40-a limiting device; 41-outer frame; 42-a slide block; 43-a pre-compression spring; 44-pressure contact; 45-a reset device;
50-a slide bar;
60-moving the polishing mechanism; 61-grinding a driving motor; 62-a drive shaft; 621-a protruding rib; 63-a drive gear unit; 631 — positive drive gear; 632 — counter drive gear; 633-grooves; 64-a protective shell; 641-telescopic positioning keys; 6411-telescoping rod; 6412-U-shaped positioning plate; 642-graduation mark; 65-moving the grinding unit; 651-case; 652-straight saw blade; 653 — a drive assembly; 6531-profile connector; 6532-driven wheel; 6533-positive matching rack; 6534-counter-mating rack; 654-wing plate; 66-a translation drive motor; 67-moving the support.
Detailed Description
The attached external wall perps polishing device provided by the invention is further described in detail with reference to 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 attached outer wall perps grinding device provided by the present embodiment includes a guide rail 10, a lifting device 20, a jig frame 30, a limiting device 40, a sliding rod 50, and a moving grinding mechanism 60.
Referring to fig. 1 and 2, two guide rails 10 are arranged in parallel at intervals, and one side of each guide rail 10 is provided with climbing teeth 11 along the height direction. As shown in fig. 1, 2 and 18, when the wall 1 is slotted, the guide rail 10 is fixed to the scaffold 2, but the guide rail 10 may be fixed to another support structure, and the structural form of the support structure is not limited. Further, a verticality adjusting device is arranged on the other side, opposite to the climbing tooth 11, of the guide rail 10; the verticality adjusting device comprises a rotary connecting piece 12 and a horizontal fine-tuning connecting piece 13, and the rotary connecting piece 12 and the horizontal fine-tuning connecting piece 13 both comprise telescopic rods; one end of a telescopic rod of the rotary connecting piece is hinged with the guide rail 10, and the other end of the telescopic rod is fixedly connected with the supporting structure; one end of a telescopic rod of the horizontal fine-tuning connecting piece 13 is connected with the guide rail 10 through a horizontal fine-tuning structure, and the other end of the telescopic rod is fixedly connected with the supporting structure. The horizontal fine adjustment structure can be adjusted in a matching mode through a rack and a gear, can also be adjusted through a telescopic structure, can also be adjusted through a sliding mode, is not limited to a specific adjustment mode, and can be adjusted through displacement between the guide rail and the telescopic rod. Can make guide rail 10 rotate around swivel connected coupler 12 through adjusting horizontal fine setting structure to adjust the straightness that hangs down of guide rail 10 in the direction that is on a parallel with the wall body, through the straightness that hangs down of the adjustable perpendicular to wall body direction of telescopic link, consequently, can realize the accurate regulation of the straightness that hangs down of guide rail 10 through setting up swivel connected coupler 12 and horizontal fine setting connecting piece 13. Further, a perpendicularity monitor 14 is arranged on the guide rail 10 to monitor the perpendicularity of the guide rail 10.
Referring to fig. 1 to 3, the lifting device 20 is disposed on the guide rail 10, the lifting device 20 includes a lifting driving motor 21, a gear matched with the climbing teeth 11 is disposed at a front end of the lifting driving motor 21, and the lifting driving motor 21 drives the lifting device 20 to move along a length direction of the guide rail 10.
Further, the lifting device 20 further comprises a special-shaped base 22, a vertical slot hole matched with the cross section of the guide rail 10 is formed in the special-shaped base 22, the special-shaped base 22 is fastened on the guide rail 10 and can slide up and down along the guide rail 10, for example, the cross section of the guide rail is in a T shape, and the special-shaped base 22 is fastened on a flange plate of the T-shaped guide rail; the climbing teeth 11 of the guide rail 10 are positioned in the vertical slotted holes, the lifting driving motor 21 is fixed on the side part of the special-shaped base 22, the transmission shaft of the lifting driving motor 21 penetrates through the side part of the vertical slotted holes of the special-shaped base 22, and the gear at the front end of the lifting driving motor 21 is positioned on the transmission shaft in the vertical slotted holes of the special-shaped base 22. After the lifting driving motor 21 is started, the transmission shaft drives the gear to rotate, so that the gear moves up and down along the climbing teeth 11, the lifting device 20 climbs up and down along the guide rail 10, and after the lifting driving motor 21 is turned off, the lifting device 20 is fixed on the guide rail 10. Furthermore, the lifting device 20 further comprises a hydraulic telescoping mechanism 23, a movable slider 24, a support leg 25 and a pressure sensor 26, the hydraulic telescoping mechanism 23 is disposed on the side wall of the profiled base 22 opposite to the guide rail 10, one side of the movable slider 24 is fixedly connected with the end of the hydraulic telescoping mechanism 23, the other side of the movable slider 24 opposite to the movable slider 24 is provided with the support leg 25, the front end of the support leg 25 is provided with the pressure sensor 26, the movable slider 24 is pushed to move by the hydraulic telescoping mechanism 23, when the pressure sensor 26 touches the wall, a stop signal is fed back to the hydraulic telescoping mechanism 23, the hydraulic telescoping mechanism 23 stops telescoping, the support leg is abutted against the wall, because the length of the support leg 25 is the same, the four movable sliders 24 on the jig frame 30 keep the same distance with the wall surface, and the four corner parts of the jig frame 30 are respectively fixedly connected with the movable slider 24 on the lifting device 20 at the corresponding positions, thereby guarantee that bed-jig 30 is parallel with the wall, even when there is the inclination in the wall, still can guarantee that the wall body has the same depth of slotting. Further, the special-shaped base 22 further comprises a bottom plate for supporting the movable sliding block 24, and the movable sliding block 24 slides on the bottom plate under the driving of the hydraulic telescopic mechanism.
As shown in fig. 1, the jig frame 30 is a frame structure, and includes two horizontal rods and two vertical rods, the jig frame 30 is mainly used for supporting the movable grinding mechanism, and therefore, other frame structures of the jig frame 30 are also within the protection scope. The two ends of the jig frame 30 are fixedly connected with the lifting devices 20 on the two guide rails 10 respectively.
As shown in fig. 1, two sliding rods 50 are arranged at intervals up and down, and the movable grinding mechanism 60 is arranged on the sliding rods 50 and can horizontally slide along the sliding rods 50; the two ends of the sliding rod 50 are fixed on the jig frame 30 through a limiting device 40, and the limiting device 40 is used for enabling the movable grinding mechanism 60 to move along the normal direction of the jig frame 30 and controlling the grinding depth. Further, as shown in fig. 4, the limiting device 40 includes an outer frame 41, a slider 42, a pre-pressure spring 43, and a pressure contact 44; the outer frame 41 is fixed on the jig frame 30, and the length direction of the outer frame is consistent with the normal direction of the jig frame 30; the sliding block 42 can slide along the length direction of the outer frame 41, one end of the prepressing spring 43 is abutted against the outer frame 41, the other end of the prepressing spring is abutted against the sliding block 42, the prepressing spring provides acting force for the sliding block to move along the length direction of the outer frame, the end part of the sliding rod 50 is fixedly connected with the sliding block, and the sliding block drives the sliding rod 50 and the movable polishing mechanism 60 to move along the normal direction of the jig frame 30; the outer frame is further provided with a pressure contact 44, when the sliding block slides to be in contact with the pressure contact, the polishing depth meets the design requirement, the hydraulic telescopic mechanism 23 of the lifting device 20 controls the movable sliding block 24 to be away from the wall surface, then the movable polishing mechanism 60 slides along the sliding rod and is adjusted to the next construction position, or the lifting device 20 lifts the movable polishing mechanism 60 to be located at the next construction position. Further, still be provided with resetting means 45 between slider and the frame, resetting means promotes the slider and can make the compression of pre-compaction spring, makes the slider reset, and as an example, resetting means is the jack, and in pre-compaction spring promotion slider towards the wall body motion process, the jack is in the device that contracts, after the slider touches the pressure contact, the degree of depth of polishing reaches the requirement, when needing to make straight saw blade and wall body separation, control jack extension makes the slider move towards pre-compaction spring, and the slider drives the slide bar and makes the perps polish the case and keep away from the wall body.
As shown in fig. 1 and 5 to 7, the movable grinding mechanism 60 includes a grinding driving motor 61, a driving shaft 62, a plurality of driving gear units 63, a protective housing 64, a plurality of movable grinding units 65, a translation driving motor 66 and a movable support 67. As shown in fig. 5 to 8, the driving gear unit 63 is disposed on the driving shaft 62 at intervals, and the driving shaft 62 and the driving gear unit 63 are disposed in the protective housing 64; the movable grinding unit 65 is horizontally arranged at intervals, the movable grinding unit 65 comprises a box body 651, a straight saw blade 652 and a transmission assembly 653, the box body 651 is arranged at the side part of the protective shell 64, and the transmission assembly 653 is arranged in the box body 651; one side of the box body 651 opposite to the protective shell 64 is provided with a vertical notch, the straight saw blades 652 are arranged at the end part of the special-shaped connecting piece 6531 and extend out of the vertical notch, the distance between the two adjacent straight saw blades 652 of the movable polishing unit 65 is matched with the vertical seam distance of the wall body, the matching at the position is that the distance between the adjacent straight saw blades is an integral multiple of the vertical seam distance or can meet the requirement of the integral multiple by adjusting the distance, when the distance between the straight saw blades is twice of the vertical seam distance or can be adjusted to be twice, a group of vertical seam construction is completed at intervals, and the position of the movable polishing mechanism 60 is adjusted to complete the construction of the remaining second group of vertical seams. The grinding driving motor 61 drives the driving shaft 62 to rotate so as to drive the transmission assembly 653 to reciprocate up and down, thereby driving the straight saw blade 652 to reciprocate up and down. One side of the protective shell 64, which is opposite to the box 651, is provided with a movable support 67, the movable support 67 is sleeved on the sliding rod 50, and the translational driving motor 66 drives the protective shell 64 to horizontally move on the sliding rod 50, so as to drive the movable polishing unit 65 to horizontally move.
In a preferred embodiment, as shown in fig. 7 and 8 in combination, the driving gear unit 63 includes a positive driving gear 631 and a negative driving gear 632; the forward drive gear 631 and the reverse drive gear 632 are each fan-shaped with a central angle of less than 180 °, for example, the central angle of the gear portion is 150 °. The forward driving gear 631 and the reverse driving gear 632 are provided with mounting holes connected to the driving shaft 62, and the forward driving gear 631 and the reverse driving gear 632 are arranged in opposite directions, for example, a connecting line of an arc-shaped midpoint of the gear portion of the forward driving gear 631 and an arc-shaped midpoint of the gear portion of the reverse driving gear 632 passes through the axis of the driving shaft 62. As shown in fig. 7 to 11, the transmission assembly 653 includes a profile connector 6531 and a driven wheel 6532, the driven wheel 6532 is fixed in the box 651 through a bearing, and the profile connector 6531 is vertically slidably connected with the box 651; the special-shaped connecting piece 6531 is provided with a positive matching rack 6533 and a negative matching rack 6534, the positive matching rack 6533 is matched with the positive driving gear 631, and the negative matching rack 6534 is matched with the negative driving gear 632 through a driven gear 6532; the grinding driving motor 61 drives the driving shaft 62 to rotate, and the positive driving gear 631 and the reverse driving gear 632 are alternately meshed with the positive matching rack 6533 and the driven gear 6532, so that the straight saw blade 652 is driven to move up and down, and the construction of vertical seams of walls is completed.
For example, fig. 12 shows the positional relationship of the positive driving gear 631, the reverse driving gear 632, the driven gear 6532, the positive mating rack 6533, and the reverse mating rack 6534 in the initial state, in which one end of the arc-shaped gear portion of the positive driving gear 631 contacts with the top of the positive mating rack 6533, the reverse driving gear 632 is separated from the driven gear 6532, and the positive driving gear 631 drives the special-shaped connector 6531 to move upward as the driving shaft 62 rotates counterclockwise; since the forward driving gear 631 has a sector shape smaller than 180 °, when the forward driving shaft 62 rotates to the position shown in fig. 9, the other end of the arc-shaped gear portion of the forward driving gear 631 is separated from the forward matching rack 6533, and at this time, one end of the reverse driving gear 632 contacts the driven wheel 6532, the reverse driving gear 632 rotates counterclockwise, the driven wheel 6532 rotates clockwise, and the driven wheel 6532 is engaged with the reverse matching rack 6534, so as to drive the special-shaped connecting piece 6531 to move downward. When the driving shaft 62 rotates for a circle, the special-shaped connecting piece 6531 realizes one up-and-down reciprocating motion to drive the straight saw blade 652 to move up and down, thereby completing the perps construction.
Preferably, as shown in fig. 8, each group of driving gear units 63 includes a plurality of positive driving gears 631 and a plurality of reverse driving gears 632, one reverse driving gear 632 is disposed between every two adjacent positive driving gears 631, and one positive driving gear 631 is disposed between every two adjacent reverse driving gears 632. The positive matching rack 6533 and the driven wheel 6532 adjust the distance between the adjacent movable grinding mechanisms 60 by selecting different positive driving gears 631 and reverse driving gears 632, so that the purpose of adjusting the distance between the adjacent straight saw blades 652 is achieved, and the requirement of the vertical seam distance is better met. As shown in fig. 5 and 9, the protective shell 64 is provided with an opening at the connection position with the box body, and is used for connecting the positive driving gear 631 and the reverse driving gear 632 with the positive matching rack 6533 and the driven gear 6532. Further, the movable grinding mechanism 60 further comprises a wing 654, the box 651 is fixed on the wing 654, and the wing 654 is used for sealing the opening and preventing dust from entering the protective casing 64; the wing plates 654 are provided with sliding flanges, the protective shell 64 is provided with sliding grooves, and the sliding flanges can horizontally slide in the sliding grooves, so that the box body 651 is driven to move, and the distance between the straight saw blades 652 of the adjacent movable grinding mechanisms 60 is adjusted.
In order to make the adjustment more accurate, in a preferred embodiment, as shown in fig. 5 and 16, a scale mark 642 is provided on the protective shell 64 above the box 651, the scale mark 642 corresponds to the positive driving gear 631 and the reverse driving gear 632, when the straight saw blade 652 corresponds to the scale mark 642, the positive engagement rack 6533 corresponds to the position of the positive driving gear 631, and the driven gear 6532 corresponds to the position of the reverse driving gear 632. By way of example, the scale lines 642 may take the form of red and yellow alternating line segments having lengths equal to the thicknesses of the positive drive gear 631 and the negative drive gear 632, respectively, and the red and yellow line segments correspond to the positions of the positive drive gear 631 and the negative drive gear 632, respectively. A spacer may be provided between the forward driving gear 631 and the reverse driving gear 632 to provide a clearance between the forward driving gear 631 and the reverse driving gear 632 to avoid interference with the engagement between the forward mating rack or the driven gear.
In the construction, the positive driving gear 631 and the reverse driving gear 632 need to be fixed on the driving shaft 62, and in order to achieve quick fixation, a preferred embodiment is that, as shown in fig. 8 to 13, a rib 621 is provided on the driving shaft 62, grooves 633 matched with the rib 621 are provided on the positive driving gear 631 and the reverse driving gear 632, and the grooves 633 of the positive driving gear 631 and the reverse driving gear 632 are snap-fitted with the rib 621 of the driving shaft 62.
As shown in fig. 1 to 13, in order to ensure that the vertical movement range of the straight saw blade 652 coincides with the range of the vertical seam construction, the positive drive gear 631, the reverse drive gear 632, and the special-shaped connector 6531 of the drive shaft 62 need to be adjusted to the initial state before each construction, and since the positive drive gear 631, the reverse drive gear 632, and the special-shaped connector 6531 are located in the protective housing 64, it is difficult to observe whether the adjustment to the initial state is achieved. In a preferred embodiment, as shown in fig. 14 and 15, one end of the driving shaft 62 extends out of the protective shell 64, a telescopic positioning key 641 is disposed outside the protective shell 64, and when the telescopic positioning key 641 extends out and positions the driving shaft 62, the positive driving gear 631 and the negative driving gear 632 are in an initial state. For example, the retractable positioning key 641 comprises a retractable bar 6411 and a U-shaped positioning plate 6412, the U-shaped positioning plate 6412 comprises a top plate, a long vertical plate and a short vertical plate, in use, the retractable bar 6411 is extended to drive the U-shaped positioning plate 6412 to move downwards to the long vertical plate to contact with the protruding rib 621 on the driving shaft 62, then the driving shaft 62 is rotated to make the driving shaft 62 contact with the long vertical plate, at this time, the positive driving gear 631 and the reverse driving gear 632 are in an initial state, the retractable bar 6411 is extended to drive the U-shaped positioning plate 6412 to move downwards to the protruding rib 621 to be buckled in the notch of the U-shaped positioning plate 6412, the positive driving gear 631 and the reverse driving gear 632 are kept in the initial state, and the special-shaped connecting piece 6531 can be adjusted to the initial state by rotating the driven wheel 6532 or the straight saw blade 652.
In order to avoid the weak point of vertical stress of the wall body, the vertical joints are not suitable to be communicated, the vertical joints are usually broken at the transverse joints, the preferred embodiment is that the vertical joints are arranged discontinuously, and the height of each section of the vertical joint is H; the arc segment lengths of the positive drive gear 631 and the reverse drive gear 632 are L; the straight saw blade 652 comprises a plurality of segments of saw teeth, each segment of saw teeth corresponds to a segment of vertical joint, and the length of each group of saw teeth is a; wherein H ═ L + a. So set up, can once realize multirow multiseriate perline perps construction.
Example two
The embodiment provides a construction method for automatically polishing a vertical joint of an external wall, which is further described with reference to the first embodiment and fig. 1 to 18. The construction method comprises the following steps:
s1, arranging a supporting device at a proper position of a wall body 1 to be constructed, and installing an attached type outer wall vertical joint polishing device; wherein, installation attached type outer wall perps grinding device specifically includes:
s1-1, vertically arranging two guide rails 10 at intervals and fixing the guide rails on the supporting device, wherein climbing teeth 11 are arranged on one side, facing a wall, of each guide rail 10 along the height direction;
s1-2, arranging a lifting device 20 on the guide rail 10, wherein the lifting device 20 comprises a lifting driving motor 21, the front end of the lifting driving motor 21 is provided with a gear matched with climbing teeth, and the lifting driving motor can drive the lifting device to move along the length direction of the guide rail;
s1-3, mounting a jig frame 30 which is of a frame type structure, wherein the left end and the right end of the jig frame are fixedly connected with lifting devices on two guide rails respectively;
s1-4, installing a sliding rod 50, a limiting device 40 and a movable grinding mechanism 60, wherein the movable grinding mechanism 60 comprises a grinding driving motor 61, a driving shaft 62, a plurality of driving gear units 63, a protective shell 64, a plurality of movable grinding units 65, a translation driving motor 66 and a movable support 67; the two ends of the sliding rod 50 are connected with the jig frame 30 through a limiting device 40; the protective shell 64 is connected with the sliding rod 50 in a sliding mode through a movable support 67 on the back, and a translation driving motor 66 provides power for the sliding of the protective shell; the movable polishing unit 65 is arranged at the side part of the protective shell, and the driving gear unit is arranged on the driving shaft and arranged in the protective shell;
s1-5, adjusting the position of the lifting device 20 on the guide rail 10 and the position of the movable grinding mechanism 60 on the sliding rod 50 to enable the position of the movable grinding unit 65 to meet the requirement;
s2, setting polishing depth, and starting a polishing driving motor 61 to enable a movable polishing unit 65 to carry out vertical joint construction on the wall;
s3, after the construction of the first group of vertical seams is finished, closing the polishing driving motor 61 and controlling the movable polishing unit to be separated from the wall body, then sliding on the sliding rod 50 through the translation driving motor 66, adjusting the position of the movable polishing mechanism 60, and polishing the second group of vertical seams;
s4, repeating the step S3 until all the vertical seams of the first layer are constructed; controlling the lifting device 20 to move the height of a group of brick joints along the guide rail 10, and repeating the steps S2 and S3 to complete the construction of a second layer of horizontal brick joints;
s5, repeating the step S4 until all the vertical seams are constructed, and removing the attached automatic brick wall slotting device.
Further, a perpendicularity adjusting device is arranged on the other side, opposite to the climbing tooth 11, of the guide rail 10, and the specific structure of the perpendicularity adjusting device is as shown in the first embodiment; in a preferred embodiment, step S1-1 further includes: adjusting the telescopic rods of the rotary connecting piece 12 and the horizontal fine-tuning connecting piece 13 to enable the two guide rails 10 to be in the same plane; and adjusting the horizontal fine-tuning structure of the horizontal fine-tuning connecting piece to enable the guide rail to rotate around the joint of the guide rail and the rotary connecting piece, so that the guide rail is vertically arranged.
Further, the lifting device 20 comprises a special-shaped base 22, a hydraulic telescoping mechanism 23, a movable slider 24, a supporting leg 25 and a pressure sensor 26, and the specific structure of the lifting device 20 is as shown in the first embodiment; in a preferred embodiment, step S1-5 further includes: the hydraulic telescoping mechanism pushes the movable sliding block to move, when the pressure sensor touches the wall body, a stop signal is fed back to the hydraulic telescoping mechanism, the hydraulic telescoping mechanism stops telescoping, and the jig frame is parallel to the wall body.
Further, the limiting device 40 comprises an outer frame 41, a sliding block 42, a pre-pressing spring 43 and a pressure contact 44; the specific structure of the limiting device refers to the first embodiment; in a preferred embodiment, in step S2, the acting force of the pre-pressing spring acts on the sliding block, so that the jig frame connected with the sliding block has a tendency to move towards the wall, and the movable polishing unit is abutted against the wall; after the polishing driving motor is started, the polishing depth is gradually increased under the pushing of the acting force of the pre-pressing spring, and when the sliding block slides to be in contact with the pressure contact, the polishing depth meets the requirement. Furthermore, a reset device 45 is further disposed between the slider and the outer frame, and the specific structure of the reset device is as follows, in step S3, the mobile polishing unit is controlled to be separated from the wall body, specifically: the control resetting device 45 enables the sliding block to move towards the pre-pressing spring, and the sliding block drives the sliding rod to enable the perps grinding box to be far away from the wall body.
Further, each group of driving gear unit 63 includes a plurality of positive driving gears 631 and a plurality of reverse driving gears 632, one reverse driving gear 632 is disposed between every two adjacent positive driving gears 631, and one positive driving gear 631 is disposed between every two adjacent reverse driving gears 632; the mobile sharpening unit 65 includes a case 651, a straight saw blade 652, and a drive assembly 653; the transmission assembly comprises a special-shaped connecting piece and a driven wheel, and a positive matching rack and a negative matching rack are arranged on the special-shaped connecting piece; the specific structure of the driving gear unit 63 and the moving sanding unit 65 is described in the first embodiment. In a preferred embodiment, step S1-5 further includes: and adjusting the horizontal position of the movable polishing units to ensure that the rack and the driven wheel are positively matched to select proper positive driving gear and proper driving gear, so that the distance between the straight saw blades of the adjacent movable polishing units is matched with the distance between the vertical seams of the wall body.
Further, the mobile grinding unit 65 further comprises a wing 654, and the specific structure of the wing is as shown in the first embodiment. In a preferred embodiment, in step S1-5, the horizontal position of the movable grinding unit 65 is adjusted, specifically: and pushing the box body 651 to enable the sliding flanging to horizontally slide in the sliding groove.
Further, the outer side of the protective shell 64 is provided with a telescopic positioning key 641 which is matched with the convex rib of the driving shaft 62, and the specific structure of the telescopic positioning key is as shown in the first embodiment. In a preferred embodiment, before step S2, the method further includes: the telescopic positioning key 641 extends out, the driving shaft 62 is rotated, the telescopic positioning key is matched with the convex ribs of the driving shaft, and the initial positioning of the positive driving gear 631 and the reverse driving gear 632 is completed; when the position of the profile connector 6531 is in the initial position, the telescopic positioning key is retracted, separating the telescopic positioning key from the rib of the drive shaft.
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 (10)
1. An attached type outer wall perps polishing device is characterized by comprising a guide rail, a lifting device, a jig frame, a limiting device, a sliding rod and a movable polishing mechanism;
the two guide rails are arranged in parallel at intervals, and climbing teeth are arranged on one side of each guide rail along the height direction;
the lifting device is arranged on the guide rail and comprises a lifting driving motor, a gear matched with the climbing teeth is arranged at the front end of the lifting driving motor, and the lifting driving motor drives the lifting device to move along the length direction of the guide rail;
the jig frame is of a frame structure, and the left end and the right end of the jig frame are fixedly connected with the lifting devices on the two guide rails respectively;
the two sliding rods are arranged at intervals up and down, and the movable polishing mechanism is arranged on the sliding rods and can horizontally slide along the sliding rods; two ends of the sliding rod are fixed on the jig frame through limiting devices, and the limiting devices are used for enabling the movable polishing mechanism to move along the normal direction of the jig frame;
the movable polishing mechanism comprises a polishing driving motor, a driving shaft, a plurality of driving gear units, a protective shell, a plurality of movable polishing units, a translation driving motor and a movable support; the driving gear units are arranged on the driving shaft at intervals, and the driving shaft and the driving gear units are arranged in the protective shell; the movable polishing units are horizontally arranged at intervals and comprise box bodies, straight saw blades and transmission assemblies, the box bodies are arranged on the side parts of the protective shells, and the transmission assemblies are arranged in the box bodies; one side, back to the protective shell, of the box body is provided with a vertical notch, the straight saw blades are arranged at the end part of the transmission assembly and extend out of the vertical notch, and the distance between the straight saw blades of two adjacent movable polishing units is matched with the distance between vertical seams of the wall body; the polishing driving motor drives the driving shaft to rotate, and the driving gear unit drives the transmission assembly to move up and down in a reciprocating manner, so that the straight saw blade is driven to move up and down in a reciprocating manner; the movable support is arranged on the back side of the protective shell, and the translation driving motor can enable the movable support to slide along the sliding rod.
2. The attached exterior wall perps finishing device of claim 1,
a perpendicularity adjusting device is arranged on the other side, opposite to the climbing tooth, of the guide rail; the verticality adjusting device comprises a rotary connecting piece and a horizontal fine-tuning connecting piece, and the rotary connecting piece and the horizontal fine-tuning connecting piece both comprise telescopic rods;
one end of a telescopic rod of the rotary connecting piece is hinged with the guide rail, and the other end of the telescopic rod is fixedly connected with the supporting structure;
one end of a telescopic rod of the horizontal fine-tuning connecting piece is connected with the guide rail through the horizontal fine-tuning structure, and the other end of the telescopic rod is fixedly connected with the supporting structure.
3. The attached exterior wall perps finishing device of claim 1,
the lifting device also comprises a special-shaped base, wherein a vertical groove hole matched with the cross section of the guide rail is formed in the special-shaped base, the special-shaped base is buckled on the guide rail and can slide up and down along the guide rail, and the climbing tooth of the guide rail is positioned in the vertical groove hole;
the lifting driving motor is fixed on the side part of the special-shaped base, a transmission shaft of the lifting driving motor penetrates through the side part of a vertical slotted hole of the special-shaped base, and a gear matched with the climbing teeth is installed on the transmission shaft in the vertical slotted hole;
the lifting device also comprises a hydraulic telescopic mechanism, a movable sliding block, a supporting leg and a pressure sensor;
the hydraulic telescopic mechanism is arranged on the side wall of the special-shaped base opposite to the guide rail, one side of the movable sliding block is fixedly connected with the end part of the hydraulic telescopic mechanism, the other side of the movable sliding block opposite to the hydraulic telescopic mechanism is provided with a support leg, the front end of the support leg is provided with a pressure sensor, and the hydraulic telescopic mechanism can push the movable sliding block to move;
when the pressure sensor touches the wall, a stop signal is fed back to the hydraulic telescopic mechanism, and the hydraulic telescopic mechanism stops telescopic movement; four corners of the jig frame are respectively and fixedly connected with the movable sliding blocks on the lifting devices at corresponding positions.
4. The attached exterior wall perps finishing device of claim 1,
the limiting device comprises an outer frame, a sliding block, a pre-pressing spring and a pressure contact; the outer frame is fixed on the jig frame, and the length direction of the outer frame is consistent with the normal direction of the jig frame; the sliding block can slide along the length direction of the outer frame, one end of the prepressing spring abuts against the outer frame, the other end of the prepressing spring abuts against the sliding block, the prepressing spring provides acting force for the sliding block to move along the length direction of the outer frame, the end part of the sliding rod is fixedly connected with the sliding block, and the sliding block drives the sliding rod and the movable polishing mechanism to move along the normal direction of the jig frame; the outer frame is also provided with a pressure contact, and when the sliding block slides to be in contact with the pressure contact, the polishing depth meets the requirement.
5. The attached exterior wall perps finishing device of claim 1,
the driving gear unit comprises a positive driving gear and a negative driving gear; the positive driving gear and the negative driving gear are both in fan shapes with central angles smaller than 180 degrees; the positive driving gear and the negative driving gear are arranged in reverse;
the transmission assembly comprises a special-shaped connecting piece and a driven wheel, the driven wheel is fixed in the box body through a bearing, and the special-shaped connecting piece is vertically connected with the box body in a sliding manner; a positive matching rack and a negative matching rack are arranged on the special-shaped connecting piece, the positive matching rack is matched with the positive driving gear, and the negative matching rack is matched with the negative driving gear through a driven gear; the polishing driving motor drives the driving shaft to rotate, and the positive driving gear and the negative driving gear are alternately meshed with the positive matching rack and the driven gear.
6. The attached exterior wall perps finishing device of claim 5,
each group of driving gear units comprises a plurality of positive driving gears and a plurality of reverse driving gears, one reverse driving gear is arranged between every two adjacent positive driving gears, and one positive driving gear is arranged between every two adjacent reverse driving gears;
an opening is formed in the protective shell at the connection position of the protective shell and the box body, and the positive driving gear and the negative driving gear are connected with the transmission assembly;
the movable grinding unit further comprises a wing plate, the box body is fixed on the wing plate, and the wing plate is used for plugging the opening; the wing plate is provided with a sliding flange, the protective shell is provided with a sliding groove, and the sliding flange can horizontally slide in the sliding groove, so that the box body is driven to move, and the distance between the straight saw blades of the adjacent movable polishing units is adjusted.
7. The attached exterior wall perps finishing device of claim 6,
be provided with the scale mark on the protective housing of box top, the scale mark with positive drive gear and reverse drive gear are corresponding, and when straight saw blade and scale mark correspond, positive cooperation rack is corresponding with positive drive gear's position, it is corresponding with reverse drive gear's position to follow the driving wheel.
8. The attached exterior wall perps finishing device of claim 6,
the wing plate is provided with a plurality of positioning grooves, the protective shell is provided with a locking key matched with the positioning grooves, when the locking key is inserted into the positioning grooves, the position of the positive matching rack corresponds to that of the positive driving gear, and the position of the driven gear corresponds to that of the reverse driving gear.
9. The attached exterior wall perps finishing device of claim 6,
the driving shaft is provided with convex ribs, the positive driving gear and the negative driving gear are provided with grooves matched with the convex ribs, and the grooves of the positive driving gear and the negative driving gear are in snap fit with the grooves of the driving shaft;
the driving shaft extends out of the protective shell, a telescopic positioning key is arranged on the outer side of the protective shell, the telescopic positioning key comprises a telescopic rod and a certain U-shaped positioning plate, and the U-shaped positioning plate comprises a top plate, a long vertical plate and a short vertical plate; one end of the telescopic rod is fixed on the protective shell, and the other end of the telescopic rod is connected with the top of the top plate; the long vertical plates and the short vertical plates are arranged at intervals, and the top parts of the long vertical plates and the short vertical plates are fixedly connected with the bottom parts of the top parts respectively; the distance between the long vertical plate and the short vertical plate is matched with the width of the convex rib on the driving shaft; the telescopic link drives the U-shaped locating plate to move, and when the convex rib is located between the long vertical plate and the short vertical plate, the positive drive gear and the reverse drive gear are located in an initial state.
10. The attached exterior wall perps grinding apparatus of claim 5 or 6,
the vertical seams are arranged discontinuously, and the height of each section of vertical seam is H;
the length of the arc sections of the positive driving gear and the reverse driving gear is L;
the straight saw blade comprises a plurality of sections of saw teeth, each group of saw teeth corresponds to one section of vertical joint, and the length of each group of saw teeth is a; wherein H ═ L + a.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114770261A (en) * | 2022-05-17 | 2022-07-22 | 德州天工装饰工程有限责任公司 | Wall surface leveling device for building construction and building construction method |
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Application publication date: 20210824 Assignee: Shanghai Xindu Decoration Engineering Co.,Ltd. Assignor: Shanghai Construction Engineering No.4 Construction Group Co.,Ltd. Contract record no.: X2024980019478 Denomination of invention: An attached vertical seam polishing device for exterior walls Granted publication date: 20221011 License type: Common License Record date: 20241022 |