Wall surface polishing device for building decoration engineering construction

Abstract

The utility model discloses a building decoration engineering construction wall surface polishing device which comprises a main grip, a dust collecting device is arranged on one side of the main grip and comprises a dust cover, a corrugated pipe and a dust collector, the dust cover is installed on one side of the main grip, the corrugated pipe is connected with the dust cover and the dust collector, and a quick-change device is arranged on one side of the dust cover. The quick-change device comprises a clamping sleeve, a receding groove, a clamping plate and a clamping rod, the receding groove is formed in the outer side of the clamping rod, the clamping plate is arranged in the receding groove, a reinforcing mechanism is installed on the outer side of the clamping sleeve, and the reinforcing mechanism comprises a movable spring, an arc-shaped rod, a movable block, a connecting plate, a limiting plate, a movable sleeve, a movable block, a linkage plate, a linkage groove, a movable groove, a fixed block, a top block and a movable groove. According to the dust removal device, the problem that the traditional dust removal effect is not timely is solved, and the operation convenience and the use stability are remarkably improved through a convenient replacement system and a reliable locking mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to building decoration engineering construction wall surface polishing technical field more specifically, it relates to a kind of building decoration engineering construction wall surface polishing device. BACKGROUND

[0002] In the field of building decoration engineering construction wall surface polishing, the timeliness of dust removal effect, the convenience of polishing head replacement and the reliability of structural connection are the key factors affecting the use effect, however, the wall surface polishing device on the current market still has many technical defects in practical application, these problems not only affect the construction efficiency, but also can reduce the engineering quality and construction safety.

[0003] The first problem is that the timeliness of dust removal effect is obviously insufficient, the dust removal mode in the prior art has significant defects: first, a large amount of smoke and dust generated during wall surface polishing cannot be effectively treated in time, which seriously affects the construction environment; second, the diffusion of smoke and dust not only affects the health of construction personnel, but also pollutes the surrounding environment and equipment; third, untreated smoke and dust can be suspended in the air for a long time, affecting the visibility and air quality of the construction site, the deficiency of this traditional operation mode not only reduces the construction efficiency, but also may cause safety hazards due to environmental pollution, which cannot meet the environmental protection requirements of modern building decoration.

[0004] More prominent is that the convenience of polishing head replacement has major defects, the polishing head installation mode in the prior art has significant problems in operability, the traditional polishing head installation and disassembly requires the use of multiple professional tools, which increases the maintenance preparation time, secondly, the replacement process is complicated and requires multiple steps to complete the operation, when the polishing head needs to be replaced due to severe wear, the complex disassembly method greatly reduces the work efficiency, the deficiency of this traditional replacement method not only increases the construction cost, but also prolongs the equipment maintenance time, which affects the overall construction progress.

[0005] The most critical is that the reliability of structural connection is seriously insufficient, although part of the equipment realizes quick replacement by improving the connection structure, this design still has obvious defects: first, the simple connection structure cannot withstand the centrifugal force generated by the high-speed rotation of the polishing head; second, the vibration generated during the use of the equipment can cause the connection to loosen, the deficiency of this structure design not only affects the polishing effect, but also may cause safety accidents due to the falling of the polishing head, which reduces the reliability of construction. UTILITY MODEL CONTENTS

[0006] (I) Technical problems solved

[0007] In view of the problems existing in the prior art, the utility model provides a kind of building decoration engineering construction wall surface polishing device to solve the technical problems mentioned in the background art.

[0008] (II) Technical Solution

[0009] To achieve the above object, the utility model provides the following technical scheme: A building decoration engineering construction wall surface polishing device, including main handle, one side of main handle is provided with dust collection device, dust collection device includes dust cover, bellows and dust collector, the dust cover is detachably installed on one side of main handle, the bellows both ends are connected with dust cover and dust collector input respectively, one side of dust cover is provided with quick change device, quick change device includes clamping sleeve, let go of groove, clamping plate and clamping rod, the clamping sleeve is detachably set in the outside of clamping rod, let go of groove is set in the outside of clamping rod, clamping plate is arranged in let go of groove, the outside of clamping sleeve is equipped with reinforcing mechanism, reinforcing mechanism includes movable spring, arc rod, movable block, connecting plate, limit plate, moving sleeve, moving block, linkage plate, linkage groove, movable groove, fixed block, top block and moving groove, movable spring is movably set in the outside of arc rod, arc rod is fixedly connected on one side of movable block, movable block is fixedly installed on one side of linkage plate, limit plate is fixedly connected on one side of moving sleeve through connecting plate, moving sleeve is slidably set in the outside of clamping sleeve, moving block is slidably arranged in moving groove, linkage plate is rotatably installed in the outside of clamping sleeve, linkage groove is set on linkage plate, movable groove is set on fixed block, fixed block is fixedly installed in the outside of clamping sleeve, top block is fixedly connected on one side of moving block, moving groove is set in moving sleeve.

[0010] The utility model further sets up that the dust cover is equipped with the intercommunication bin, one side of the intercommunication bin is equipped with a plurality of dust suction ports, one side of main handle is movably connected with the drive frame, one side of drive frame is detachably equipped with the polishing head, one side of polishing head is fixedly equipped with the fixed plate, clamping rod is fixedly connected on one side of drive frame, and clamping rod passes through the mounting hole of pre-set on fixed plate.

[0011] The utility model further sets up that the dust collector is detachably equipped with the collecting jar under, the outside of collecting jar is equipped with the movable frame, the movable frame bottom is detachably equipped with the universal wheel, the movable frame top is detachably equipped with the fan, one side of fan is equipped with the output pipe, and the input end of fan is connected with the output end of dust collector through output pipe.

[0012] The utility model further sets up that one side of main handle is detachably equipped with the vice handle.

[0013] The utility model further sets up that the both sides of clamping plate are fixedly equipped with the pivot, and clamping plate is rotatably installed in let go of groove through pivot.

[0014] The utility model further sets up that reset spring is arranged in let go of groove, and the both ends of reset spring are connected with the inner wall of let go of groove and one side of clamping plate respectively.

[0015] The utility model further sets up, fixedly be equipped with slide rail in the clamping sleeve, the clamping rod outside is equipped with the slide, the slide rail is arranged in the slide.

[0016] The utility model further sets up, the mobile groove and the mobile block are all inclined structure design.

[0017] (Three) beneficial effects

[0018] Compared with the prior art, the utility model provides a kind of building decoration engineering construction wall surface polishing device, with following beneficial effects:

[0019] 1, dust collection device is combined by dust cover, bellows and dust collector, constructs a set of efficient dust removal system, and the communication bin in the dust cover and multiple dust suction ports design enhance the smoke dust collection effect, the telescopic design of bellows provides good operational flexibility, dust collector cooperates with fan and collection tank realizes the effective separation and collection of smoke dust, this design not only timely handles the smoke dust generated in polishing process, also ensures the durability of dust removal effect by scientific airflow organization, effectively solve the problem of traditional dust removal mode not timely.

[0020] 2, quick-change device is precisely matched by clamping sleeve, let go of groove and clamping plate etc., constructs a set of convenient replacement system, the slide groove on clamping rod and the slide rail in clamping sleeve design form stable guide structure, the rotary design of clamping plate cooperates reset spring and realizes quick positioning, and let go of groove provides reliable movement space for clamping plate, this structure not only simplifies the replacement operation of polishing head, also ensures the accuracy of installation by scientific mechanical transmission, effectively solves the problem of traditional replacement operation complicated.

[0021] 3, reinforcing mechanism is cleverly matched by movable spring, arc-shaped rod and movable block etc., constructs a set of reliable locking system, the rotary design of linkage plate and linkage groove provides flexible operation basis for overall structure, connecting plate cooperates with limiting plate and realizes the locking of mobile sleeve position, and the design of inclined mobile groove and mobile block ensures the accurate positioning of top block, this structure not only provides stable connection by multiple locking, also prevents the loosening of structure by the cooperation of elastic element, effectively solves the problem of unstable traditional connection structure. DRAWINGS

[0022] Figure 1 It is the overall structure schematic drawing of a kind of building decoration engineering construction wall surface polishing device in the utility model;

[0023] Figure 2 It is the structure schematic drawing of main handle and dust cover part in the utility model;

[0024] Figure 3 It is the cross section structure schematic view of the dust cover and the polishing head part in the utility model;

[0025] Figure 4 It is the structure schematic view of the quick change device and the locking mechanism part in the utility model;

[0026] Figure 5 It is the cross section structure schematic view of the quick change device and the locking mechanism part in the utility model;

[0027] Figure 6 It is the structure schematic view of the clamping plate and the moving sleeve part in the utility model;

[0028] Figure 7 It is the cross section structure schematic view of the clamping sleeve and the moving block part in the utility model.

[0029] In the drawing: 1, main handle; 2, dust cover; 3, bellows; 4, dust collector; 5, clamping sleeve; 6, give way slot; 7, clamping plate; 8, clamping rod; 9, movable spring; 10, arc-shaped rod; 11, movable block; 12, connecting plate; 13, limiting plate; 14, moving sleeve; 15, moving block; 16, linkage plate; 17, linkage slot; 18, movable slot; 19, fixed block; 20, top block; 21, moving slot; 22, communication bin; 23, dust suction port; 24, driving frame; 25, polishing head; 26, fixed plate; 27, collection tank; 28, movable frame; 29, universal wheel; 30, fan; 31, output pipe; 32, auxiliary handle; 33, rotating shaft; 34, return spring; 35, slide rail; 36, slide slot. DETAILED DESCRIPTION

[0030] It should be noted that the embodiments and the features in the embodiments in the present application can be combined with each other without conflict. The present application will be described in detail below with reference to the drawings and in combination with embodiments.

[0031] It should be noted that, unless otherwise specified, all the technical and scientific terms used in the present application have the same meaning as that generally understood by the ordinary skilled person in the technical field to which the present application belongs.

[0032] In the present application, unless otherwise specified, the directions such as "up, down" are generally directed to the directions shown in the drawings, or are directed to the vertical, perpendicular or gravity directions. Similarly, for the convenience of understanding and description, "left, right" are generally directed to the left and right shown in the drawings; "inner, outer" refer to the inner and outer relative to the contour of each component itself, but the above direction words are not used to limit the present application.

[0033] Please refer to Figures 1-7The utility model relates to a kind of wall polishing device of architectural decoration engineering construction, including main handle 1, dust collection device is arranged in one side of main handle 1, dust collection device includes dust cover 2, bellows 3 and dust collector 4, dust cover 2 is detachably installed in one side of main handle 1, bellows 3 two ends are connected with dust cover 2 and dust collector 4 input respectively, dust cover 2 one side is provided with quick-change device, quick-change device includes clamping sleeve 5, let go of groove 6, clamping plate 7 and clamping rod 8, clamping sleeve 5 is detachably set in the outside of clamping rod 8, let go of groove 6 is opened in the outside of clamping rod 8, clamping plate 7 is arranged in let go of groove 6, reinforcing mechanism is installed in the outside of clamping sleeve 5, reinforcing mechanism includes movable spring 9, arc rod 10, movable block 11, connecting plate 12, limiting plate 13, moving sleeve 14, moving block 15, linkage plate 16, linkage groove 17, movable groove 18, fixed block 19, top block 20 and moving groove 21, movable spring 9 movable sleeve is set in the outside of arc rod 10, arc rod 10 is fixedly connected in one side of movable block 11, movable block 11 is fixedly installed in one side of linkage plate 16, three limiting plates 13 are fixedly connected in one side of moving sleeve 14 by connecting plate 12, moving sleeve 14 is slidably set in the outside of clamping sleeve 5, moving block 15 is slidably arranged in moving groove 21, linkage plate 16 is rotatably installed in the outside of clamping sleeve 5, linkage groove 17 is opened in linkage plate 16, movable groove 18 is opened in fixed block 19, fixed block 19 is fixedly installed in the outside of clamping sleeve 5, top block 20 is fixedly connected in one side of moving block 15, moving groove 21 is opened in moving sleeve 14.

[0034] Dust cover 2 is equipped with communicating bin 22, and a plurality of dust suction ports 23 are arranged on one side of communicating bin 22, and a driving frame 24 is movably connected on one side of main handle 1, a polishing head 25 is detachably arranged on one side of driving frame 24, a fixed plate 26 is fixedly arranged on one side of polishing head 25, and the clamping rod 8 is fixedly connected on one side of driving frame 24, and the clamping rod 8 passes through the mounting hole pre-opened on the fixed plate 26.

[0035] A collecting tank 27 is detachably arranged below the dust collector 4, a movable frame 28 is arranged on the outside of the collecting tank 27, universal wheels 29 are detachably arranged at the bottom end of the movable frame 28, a fan 30 is detachably arranged above the movable frame 28, an output pipe 31 is arranged on one side of the fan 30, and the input end of the fan 30 is connected with the output end of the dust collector 4 through the output pipe 31.

[0036] A secondary handle 32 is detachably arranged on one side of the main handle 1.

[0037] In this embodiment, when the device needs to be used, first push the movable frame 28, so that the movable frame 28 moves to the construction site by the universal wheel 29 arranged at the bottom end. Since the universal wheel 29 is a universal wheel 29 with a locking mechanism, the device can then be fixed in place. Then hold the main handle 1 with one hand, then open the fan 30, then decide whether to hold the auxiliary handle 32 with the other hand according to the user's habit, then open the drive assembly arranged in the main handle 1, so that the drive assembly drives the fixed plate 26 and the polishing head 25 to rotate at high speed through the drive frame 24, then makes the polishing head 25 close to the wall, then the dust cover 2 drives the corrugated pipe 3 to stretch correspondingly, then the smoke generated during polishing is limited to the inside of the dust cover 2, preventing the rapid escape and diffusion of smoke. There is a gap between the dust cover 2 and the wall, then the smoke and air are sucked into the communication bin 22 through the plurality of dust suction ports 23, then are sucked into the corrugated pipe 3 through the communication bin 22, then are sucked into the dust collector 4 for separation. The dust collector 4 is a cyclone dust collector, then the smoke and other foreign matters fall into the collection tank 27 arranged below, and the air is sucked out by the output pipe 31 and transported into the fan 30, then is discharged from the output end of the fan 30, thereby realizing effective treatment and collection of smoke.

[0038] Please refer to Figures 4-7 As a further embodiment of the device as a whole: The clamping plate 7 is fixedly provided with a rotating shaft 33 on both sides, and the clamping plate 7 is rotatably installed in the accommodation slot 6 through the rotating shaft 33.

[0039] The accommodation slot 6 is provided with a reset spring 34, and the two ends of the reset spring 34 are respectively connected with the inner wall of the accommodation slot 6 and one side of the clamping plate 7.

[0040] The clamping sleeve 5 is fixedly provided with a sliding rail 35, and the clamping rod 8 is provided with a sliding groove 36 on the outer side, and the sliding rail 35 is slidingly arranged in the sliding groove 36.

[0041] The moving groove 21 and the moving block 15 are both designed in an inclined structure.

[0042] More specifically, when the grinding head 25 needs to be replaced, first rotate the linkage plate 16, so that the linkage plate 16 drives the linkage groove 17 to rotate, and the linkage plate 16 drives the movable block 11 to rotate, so that the movable block 11 drives the arc-shaped rod 10 installed on one side to slide along the movable groove 18 opened on the fixed block 19, at the same time, the movable block 11 will cooperate with the fixed block 19 to extrude the movable spring 9 sleeved outside the arc-shaped rod 10, when the movable spring 9 is extruded to the limit, the linkage groove 17 is just rotated to the position corresponding to the limiting plate 13, then push the moving sleeve 14, so that the moving sleeve 14 drives the connecting plate 12 and the limiting plate 13 to slide, so that the connecting plate 12 and the corresponding limiting plate 13 gradually penetrate into the linkage groove 17, at the same time, the moving sleeve 14 drives the movable groove 21 opened on the inside to slide, due to the inclined structure design of the movable groove 21 and the movable block 15, when the movable groove 21 slides, the movable block 15 drives the top block 20 to move outward, so that the top block 20 no longer limits one end of the clamping plate 7, when the top block 20 moves to the outermost side, the moving sleeve 14 cannot continue to slide, at the same time, the connecting plate 12 drives the limiting plate 13 close to the moving sleeve 14 to just completely penetrate through the linkage groove 17 and move to the other side of the linkage plate 16, then release the linkage plate 16, the movable spring 9 pushes the movable block 11 to rotate and reset, so that the movable block 11 drives the arc-shaped rod 10 to rotate and reset, and makes the movable block 11 drive the linkage groove 17 to rotate and reset to the position not corresponding to the limiting plate 13 through the linkage plate 16, then the limiting plate 13 and the connecting plate 12 cooperate to limit the moving sleeve 14 to one side of the linkage plate 16, then pull the clamping sleeve 5 outward, then the inclined inner wall set on the inside top end of the clamping sleeve 5 gradually no longer limits the outer wall of one section of the clamping plate 7, then the reset spring 34 pulls the other section of the inner wall of the clamping plate 7, so that the clamping plate 7 rotates and resets in the accommodation groove 6 along the rotating shaft 33, so that multiple clamping plates 7 are in a parallel state, then take down the clamping sleeve 5, then take down other clamping sleeves 5 according to the above steps, then take down the fixed plate 26 together with the grinding head 25, then take out the new grinding head 25, so that one side of the fixed plate 26 abuts one side of the driving frame 24, and makes the clamping rod 8 drive multiple clamping plates 7 to penetrate through the mounting hole reserved on the fixed plate 26, then make the sliding rail 35 set on the inside of the clamping sleeve 5 slide into the sliding groove 36 opened on the outside of the clamping rod 8, then the inclined inner wall set on the inside top end of the clamping sleeve 5 extrudes the outer wall of one section of the clamping plate 7 again, so that the clamping plate 7 rotates in the accommodation groove 6 along the rotating shaft 33, and makes the other section of the inner wall of the clamping plate 7 pull the reset spring 34 to stretch, when the clamping sleeve 5 is completely sleeved on the outside of the clamping rod 8, rotate the linkage plate 16 again, so that the linkage plate 16 drives the linkage groove 17 to rotate again, and makes the linkage plate 16 drive the arc-shaped rod 10 to slide along the movable groove 18 through the movable block 11 again, at the same time, the movable block 11 extrudes the movable spring 9 again in cooperation with the fixed block 19, when the movable spring 9 is extruded to the limit, the linkage groove 17 moves to the position corresponding to the limiting plate 13 again,Then push the moving sleeve 14 in reverse, so that the moving sleeve 14 through the connecting plate 12 driven three limit plate 13 sliding reset, and the moving sleeve 14 driven inside inclined mobile groove 21 sliding reset, then the moving block 15 driven one side of the top block 20 sliding reset, so that the top block 20 re-end of the clamping plate 7 limit, when the moving sleeve 14 completely reset can not continue to slide, the other two limit plate 13 just moved to the two sides of the linkage plate 16, then loosen the linkage plate 16 again, the movable spring 9 again push the movable block 11 rotation reset, so that the movable block 11 driven arc rod 10 and linkage plate 16 rotation reset, then the linkage plate 16 driven linkage groove 17 again rotation reset to not corresponding to the position of the limit plate 13, then the connecting plate 12 and two limit plate 13 cooperation will move the sleeve 14 stable limit to the side of the linkage plate 16, to prevent the movement of the moving sleeve 14, so as to ensure the installation stability of the polishing head 25.

[0043] In summary, the overall equipment in use or operation: when you need to use the device, first push the activity frame 28, so that the activity frame 28 through the bottom of the universal wheel 29 driven to the construction site, because the universal wheel 29 for self locking mechanism of universal wheel 29, then can be fixed in the original place, then hold the main handle 1, then open the fan 30, then you can decide whether to hold the vice handle 32 according to the user's habit, then open the drive assembly set in the main handle 1, so that the drive total through the drive frame 24 driven fixed plate 26 and polishing head 25 high speed rotation, then make the polishing head 25 close to the wall, then the dust cover 2 will drive the bellows 3 corresponding stretch, then the dust generated in the polishing process will be limited to the dust cover 2 inside, to prevent the rapid escape of dust spread, dust cover 2 and the wall between a certain gap, then the dust and air will be a plurality of dust suction port 23 into the communication warehouse 22, then through the communication warehouse 22 into the bellows 3, then into the dust collector 4 separation, dust collector 4 for cyclone dust collector, then the dust and other foreign matter will fall in the lower part of the collection tank 27, the air will be output pipe 31 suction to the fan 30 inside, then through the fan 30 output end exhaust, so as to realize the effective treatment and collection of dust.

[0044] When the grinding head 25 needs to be replaced, first rotate the linkage plate 16, so that the linkage plate 16 drives the linkage groove 17 to rotate, and the linkage plate 16 drives the movable block 11 to rotate, so that the movable block 11 drives the arc-shaped rod 10 installed on one side to slide along the movable groove 18 opened on the fixed block 19, at the same time, the movable block 11 will cooperate with the fixed block 19 to extrude the movable spring 9 sleeved outside the arc-shaped rod 10, when the movable spring 9 is extruded to the limit, the linkage groove 17 is just rotated to the position corresponding to the limiting plate 13, then push the moving sleeve 14, so that the moving sleeve 14 drives the connecting plate 12 and the limiting plate 13 to slide, so that the connecting plate 12 and the corresponding limiting plate 13 gradually penetrate into the linkage groove 17, at the same time, the moving sleeve 14 drives the movable groove 21 opened on the inner side to slide, due to the inclined structure design of the movable groove 21 and the movable block 15, when the movable groove 21 slides, the movable block 15 drives the top block 20 to move outward, so that the top block 20 no longer limits one end of the clamping plate 7, when the top block 20 moves to the outermost side, the moving sleeve 14 cannot continue to slide, at the same time, the connecting plate 12 drives the limiting plate 13 close to the moving sleeve 14 to just completely penetrate through the linkage groove 17 and move to the other side of the linkage plate 16, then release the linkage plate 16, the movable spring 9 pushes the movable block 11 to rotate and reset, so that the movable block 11 drives the arc-shaped rod 10 to rotate and reset, and makes the movable block 11 drive the linkage groove 17 to rotate and reset to the position not corresponding to the limiting plate 13 through the linkage plate 16, then the limiting plate 13 and the connecting plate 12 cooperate to limit the moving sleeve 14 to one side of the linkage plate 16, then pull the clamping sleeve 5 outward, then the inclined inner wall set on the inner top of the clamping sleeve 5 gradually no longer limits the outer wall of one section of the clamping plate 7, then the reset spring 34 pulls the other section of the inner wall of the clamping plate 7, so that the clamping plate 7 rotates and resets in the accommodation groove 6 along the rotating shaft 33, so that multiple clamping plates 7 are in a parallel state, then take down the clamping sleeve 5, then take down other clamping sleeves 5 according to the above steps, then take down the fixed plate 26 together with the grinding head 25, then take out the new grinding head 25, so that one side of the fixed plate 26 abuts one side of the driving frame 24, and makes the clamping rod 8 drive multiple clamping plates 7 to penetrate through the mounting hole reserved on the fixed plate 26, then make the sliding rail 35 set inside the clamping sleeve 5 slide into the sliding groove 36 opened on the outside of the clamping rod 8, then the inclined inner wall set on the inner top of the clamping sleeve 5 extrudes the outer wall of one section of the clamping plate 7 again, so that the clamping plate 7 rotates in the accommodation groove 6 along the rotating shaft 33, and makes the other section of the inner wall of the clamping plate 7 pull the reset spring 34 to stretch, when the clamping sleeve 5 is completely sleeved to the outside of the clamping rod 8, rotate the linkage plate 16 again, so that the linkage plate 16 drives the linkage groove 17 to rotate again, and makes the linkage plate 16 drive the arc-shaped rod 10 to slide along the movable groove 18 through the movable block 11 again, at the same time, the movable block 11 extrudes the movable spring 9 again in cooperation with the fixed block 19, when the movable spring 9 is extruded to the limit, the linkage groove 17 moves to the position corresponding to the limiting plate 13 again,Then reversely push the moving sleeve 14, so that the moving sleeve 14 drives the three limit plates 13 to slide reset through the connecting plate 12, and the moving sleeve 14 drives the inner side inclined moving groove 21 to slide reset, then the moving block 15 drives the top block 20 connected on one side to slide reset, so that the top block 20 re-limits one end of the clamping plate 7, when the moving sleeve 14 is completely reset and cannot continue to slide, the other two limit plates 13 are just moved to the two sides of the linkage plate 16 respectively, then the linkage plate 16 is loosened again, the movable spring 9 pushes the movable block 11 to rotate reset again, so that the movable block 11 drives the arc-shaped rod 10 and the linkage plate 16 to rotate reset, then the linkage plate 16 drives the linkage groove 17 to rotate reset again to the position not corresponding to the limit plate 13, then the connecting plate 12 and the two limit plates 13 cooperate to stably limit the moving sleeve 14 to one side of the linkage plate 16, preventing the movement of the moving sleeve 14, so as to ensure the installation stability of the polishing head 25.

[0045] In all the above-mentioned solutions, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be described one by one, and the welding is preferred for the fixed connection in the above-mentioned solutions. Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A wall grinding device for building decoration and renovation projects, comprising a main handle (1), characterized in that: the main handle... The dustproof cover (2) is provided with a communication bin (22), a plurality of dust suction ports (23) are arranged on one side of the communication bin (22), the main handle (1) is movably connected with a driving frame (24) on one side, the driving frame (24) is detachably provided with a polishing head (25) on one side, the polishing head (25) is fixedly provided with a fixed plate (26) on one side, and the clamping rod (8) is fixedly connected to one side of the driving frame (24).

2. The wall polishing device for building decoration engineering construction according to claim 1, characterized in that: The dustproof cover (2) is provided with a communication bin (22), a plurality of dust suction ports (23) are arranged on one side of the communication bin (22), the main handle (1) is movably connected with a driving frame (24) on one side, the driving frame (24) is detachably provided with a polishing head (25) on one side, the polishing head (25) is fixedly provided with a fixed plate (26) on one side, and the clamping rod (8) is fixedly connected to one side of the driving frame (24).

3. The device according to claim 2, characterized in that: The dust collector (4) is detachably provided with a collecting tank (27) below, the collecting tank (27) is provided with a movable frame (28) outside, the movable frame (28) is detachably provided with a universal wheel (29) at the bottom, the movable frame (28) is detachably provided with a fan (30) above, the fan (30) is provided with an output pipe (31) on one side, and the input end of the fan (30) is connected with the output end of the dust collector (4) through the output pipe (31).

4. The device according to claim 3, characterized in that: The main handle (1) is detachably provided with a secondary handle (32) on one side.

5. A device for wall polishing in building decoration and finishing engineering according to any one of claims 1-4, characterized in that: The clamping plate (7) is fixedly provided with a rotating shaft (33) on both sides, and the clamping plate (7) is rotatably installed in the let-in slot (6) through the rotating shaft (33).

6. The device according to claim 5, characterized in that: The let-in slot (6) is provided with a reset spring (34), and the two ends of the reset spring (34) are respectively connected with the inner wall of the let-in slot (6) and one side of the clamping plate (7).

7. The device according to claim 6, characterized in that: The clamping sleeve (5) is fixedly provided with a sliding rail (35) inside, and the clamping rod (8) is provided with a sliding groove (36) outside.

8. The device according to claim 1, characterized in that: The moving groove (21) and the moving block (15) are both designed in an inclined structure.

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