31results about "Paperhanging" patented technology

The utility model relates to the technical field of packaging equipment, and particularly discloses a press of a paper mounting machine. Comprising a belt conveying line, a press machine support, an upper conveying belt, pressing rollers, swing arms and tensioning devices, the press machine support is fixedly arranged above the belt conveying line, the multiple pressing rollers are arranged between two longitudinal beams of the press machine support in a swinging mode, and the tensioning devices are arranged between the two ends of each pressing roller and a rack of the belt conveying line; the tensioning device is arranged between the pressing roller and the belt conveying line, extra downward pressure is provided for the pressing roller, the pressure on paperboards is larger, the attaching firmness degree of surface paper can be improved, the upper conveying belt is of a net-shaped structure, moisture in glue can be diffused into the environment, drying and curing of the glue are facilitated, the probability that the surface paper is not tightly attached is reduced, and the service life of the surface paper is prolonged. And the yield is improved.

To provide a wallpaper carrier which can be carried and assembled only with the wallpaper carrier and does not fall over by itself. [Solution] The wallpaper carrier consists of a box body and six partition plates. The box body is composed of a front surface 6, a pair of side surfaces, a back surface 8, a bottom surface 9, and a liner 10. Three folding lines are provided on the sides of the box body, and by folding along the folding lines, the box body is transformed into a rectangular shape, leaving storage space for the partition plates, and the bottom surface is integrated with the box body as a plate member. A fixing portion 9a for fixing the bottom surface 9 is provided on the bottom surface, and the fixing portion extends by a width sufficient to cover the side surface when the box body is folded into a rectangle. The liner is provided to prevent the bottom from deforming due to the number and positional imbalance of paste-on wallpaper stored inside the box during assembly. When assembling the box, the liner portion first covers the bottom surface, and the bottom surface then covers over that.

Devices configured to operate on an angled surface (e.g., a roof), and associated systems and methods are disclosed herein. In some embodiments, representative systems include an apparatus with a body assembly, an arm assembly coupled to the body assembly, and a material handling assembly coupled to the arm assembly. The body assembly can include a body frame, and a plurality of positioning assemblies coupleable to cables and configured to position and / or orient the body frame on the surface. The arm assembly includes a proximal end portion rotatably coupled to the body portion and a distal end portion opposite the proximal end portion. The material handling assembly is coupled to the distal end portion of the arm assembly and is configured to carry a surface material to be positioned on the angled surface.

Devices configured to operate on an angled surface (e.g., a roof), and associated systems and methods are disclosed herein. In some embodiments, representative systems include an apparatus with a body assembly, an arm assembly coupled to the body assembly, and a material handling assembly coupled to the arm assembly. The body assembly can include a body frame, and a plurality of positioning assemblies coupleable to cables and configured to position and / or orient the body frame on the surface. The arm assembly includes a proximal end portion rotatably coupled to the body portion and a distal end portion opposite the proximal end portion. The material handling assembly is coupled to the distal end portion of the arm assembly and is configured to carry a surface material to be positioned on the angled surface.

According to the sticking type wall cloth sticking auxiliary device, when wall cloth is stuck, firstly, a protective film at the end of the wall cloth is torn, the end of the protective film is stuck to the second winding drum, the end of the wall cloth is pulled to pass through the bottom of the pressing roller to be stuck to the wall face, then the wall cloth is held on the first holding handle with one hand, and the second holding handle with the other hand is held on the second holding handle with the other hand; the pressing roller is arranged on the wall cloth attached to the wall surface, finally, the pressing roller is tightly pressed by force to pull the U-shaped support to move, the pressing roller can tightly press the wall cloth on the wall surface for pasting, the wall cloth can be flattened while pasting is conducted, a scraping plate does not need to be used for scraping flattening subsequently, meanwhile, the pressing roller rotates, a belt wheel and a belt can be used for driving a second winding drum to rotate, and a protective film is wound. And the protective film is more convenient to collect.

The utility model relates to the technical field of decoration, and disclose a kind of decorative paper smoothing device for decoration, including support, and the flattening roller is rotatably installed on the support, further comprising: handle, fixedly connected on support and outside is provided with antiskid strip;Limiting roller, is provided with two groups and is rotatably connected on the support, support is fixedly connected with the supporting frame of limiting roller support reinforcement, supporting frame is installed with the clamping assembly of the decorative paper film limiting on it;Reinforcing frame, fixedly connected on support;The utility model is installed decorative paper, from top to bottom installation, the paper not pasted in lower part is passed between two limiting rollers, the protective film adhered to the back of decorative paper is fixed on clamping assembly, with flattening roller moves downward, decorative paper is pasted on wall surface, the lower part of decorative paper passes between limiting roller can keep the smoothness of decorative paper, not folded together, while clamping assembly moves downward with flattening roller, the protective film on the back of decorative paper is torn down.

The utility model relates to the technical field of painting and calligraphy mounting, in particular to a painting and calligraphy mounting device which comprises a supporting frame, a smoothing assembly, an operation supporting top plate and a cutting assembly. The cutting assembly is connected to the smoothing assembly; the cutting assembly comprises a mounting rod, the mounting rod is connected with a frame body, the frame body is hollow, the upper and lower parts of the frame body are provided with openings a communicated with the outside, one side of the frame body is provided with an opening b, the frame body is internally connected with a moving block, the moving block is connected with a pressing plate, the pressing plate penetrates through the opening b to be connected to the outside and is connected with a spring, and the lower end of the spring is connected to the inner wall of the opening b; the movable block is connected with a fixing plate, the fixing plate is provided with a mounting groove, the mounting groove is connected with a cutter, and the cutter movably penetrates through an opening a in the lower portion of the frame body to be connected to the operation supporting top plate and used for cutting redundant edges of a chopping board and a back board used for painting and calligraphy mounting. According to the calligraphy and painting mounting device, redundant chopping boards and back boards are cut through the cutting piece by using the cutting knife, so that the use structure of the calligraphy and painting mounting device is conveniently improved, and the calligraphy and painting mounting working efficiency is improved.

The invention relates to an indoor soft wall cloth laminating device, which belongs to the technical field of wallpaper laminating and is used for laminating wall cloth to a wall surface. The top seam piece is arranged on the top side of the mounting bracket; the first compression roller is arranged on the mounting bracket and is positioned on the lower side of the top seam piece; the discharging roller is arranged on the mounting bracket, and the wall cloth is wound on the discharging roller; wherein the wall cloth sequentially passes through the first pressing roller and the top seam piece through the discharging roller, the top seam piece is used for pressing the wall cloth to the seam of the wall face, and the first pressing roller is used for pressing the wall cloth to the wall face. The edge of the wall cloth is accurately pressed into and attached to the wall surface seam through the seam abutting piece, the problem that in the prior art, a cylindrical pressing roller cannot fully press the wall cloth into the wall surface seam is effectively solved, and the attaching quality of the corner area is ensured.

The utility model provides a wallpaper laminating device, and belongs to the technical field of wallpaper laminating and flattening tools. The wallpaper laminating device comprises a rolling part and a slicking part. The rolling part comprises a handle, a support and a roller, the roller is rotationally arranged at the front end of the support, and the handle is installed at the tail end of the support. The slicking part is located on the rear side of the roller and comprises a hanging plate piece, a shaft rod, an elastic connecting piece and a sleeving positioning piece, the shaft rod is fixed to the inner side of the support, the shaft rod is sleeved with the sleeving positioning piece, and the elastic connecting piece is connected with the hanging plate piece and the sleeving positioning piece. According to the laminating device, the wallpaper is flattened in a rolling and slicking combined mode. When the extruded area needs to be flattened again, only the rolling part needs to be inclined upwards, the roller is made to repeatedly roll and flatten in the area, and even thin wallpaper is not prone to being damaged in the flattening process.

Spatulas used for applying wall coverings are made of soft materials, such as resin, because they come into contact with the wallpaper. As a result, when using a wall covering spatula to remove air bubbles from the wallpaper, the spatula deforms, making it difficult to transmit force to both ends of the spatula, resulting in insufficient work efficiency. [Solution] A spatula for applying wall coverings, comprising a plate-shaped spatula plate portion and an edge portion whose cross-section, when cut perpendicular to the longitudinal direction of the spatula for applying wall coverings, has a constricted gourd shape, wherein the edge portion is provided at one end of the spatula plate portion, and the other end, the tip portion, is tapered.

The application belongs to the technical field of ornaments and relates to an auxiliary device for copying and mounting a mural, which comprises a flattening piece, wherein the flattening piece comprises a curved surface, a pointed part and a bevel, the top of the flattening piece is provided with a pointed protruding structure to form the pointed part, the outer side of the flattening piece is provided with an egg-like structure to form the curved surface, the top of the bevel is beveled to form the bevel, and a placing seat is sleeved with the outer side of the pointed part at the bottom of the flattening piece. When different concave-convex surfaces need to be flattened, the curved surface, the pointed part or the bevel on the flattening piece can be used to flatten the corresponding positions according to different concave-convex surfaces, wrinkles are prevented, different tools are not needed for flattening, different parts on the flattening piece can be used to complete the flattening work on different concave-convex amplitudes of the ground layer, tools do not need to be frequently replaced, the flattening work is more convenient, the efficiency of the flattening work is improved, the overall mounting work efficiency is improved, and the mounting of the mural is more convenient.

The invention relates to a wallpaper pasting device which is characterized in that the wallpaper pasting device comprises a base, and a preset number of universal wheels are installed below the base; the roller assembly comprises a roller body and at least two supporting plates, the roller body is rotationally connected to the two supporting plates, and wallpaper is wound on the roller body; wallpaper on the roller body is arranged in a penetrating mode and penetrates through the cutting mechanism; the attaching assembly comprises a third electric cylinder, a supporting block, a first pasting roller and a second pasting roller, the third electric cylinder is connected with the supporting block, and the two ends of the first pasting roller and the two ends of the second pasting roller are rotationally connected to limiting blocks; the supporting block is connected with the limiting block through a preset number of supporting rods, and the third electric cylinder drives the first pasting roller and the second pasting roller to ascend and descend. Wallpaper which penetrates through the cutting mechanism enters a gap between the first pasting roller and the second pasting roller.

The utility model belongs to the technical field of carton aligning machines, and particularly relates to a shockproof environment-friendly packaging carton aligning machine which comprises a carton conveying belt, a mounting paper conveying belt and a portal frame, the mounting paper conveying belt is arranged on the right side of the carton conveying belt, and the portal frame is arranged above the top of the carton conveying belt. According to the laminating machine, the laminating paper on the laminating paper conveying belt is taken and placed to the top side of a paper box on the paper box conveying belt through the material taking assembly to be laminated, the front side and the rear side of the laminating paper are limited through the first limiting assembly and the second limiting assembly in the taking, placing and laminating process, and therefore the alignment precision of the paper box and the laminating paper is guaranteed; and the material taking assembly is provided with an expansion mechanism to adjust the distance between four sets of suction cup material taking claws, so that the adsorption range of the four sets of suction cup material taking claws is adjusted, the device is suitable for paper boxes and mounting paper of different sizes, an image recognition sensor is installed at the bottom of a fixing disc, the left-right position of the mounting paper in the laminating process is adjusted in real time through the image recognition sensor, and automatic production is achieved.

The utility model discloses a combined calligraphy and painting mounting frame convenient to disassemble and replace, which comprises a large back plate, an outer frame, an inner frame, a small back plate and an inner frame strip, a slot is arranged in the inner frame, the large back plate is inserted in the slot and is fixed by gun nails, and a combination of the large back plate and the inner frame is inserted in the outer frame. The calligraphy and painting is arranged on the small back plate to be matched with the inner frame strip for limiting, the outer frame is in butt joint with the large back plate and the inner frame, and the transparent cover plate is covered between the outer frame and the inner frame in a glue sealing mode, so that the calligraphy and painting are effectively mounted and fixed in the small back plate and the inner frame strip, disassembly, assembly and replacement of the calligraphy and painting are convenient, and the working efficiency is improved. According to the mounting frame, hot edge covering gold foil paper is pasted on the upper end face of the inner frame through a hot mounting film laminating machine, the gap between the large back plate and the inner frame is filled with glass cement, and the upper end face, close to the side edge, of the transparent cover plate is coated with an adhesive layer, so that the gap between the outer frame and the inner frame is sealed through the transparent cover plate, and the sealing effect in the mounting frame is improved; the mounted calligraphy and painting is prevented from being damped and mildewed.

This utility model relates to the field of interior design technology, and in particular to a wallpaper fastener for interior design. It includes a fixing plate with grooves on both sides. A rotating block is slidably connected within the grooves. A connecting plate is rotatably connected to the outer wall of the rotating block. A rotating plate is rotatably connected to the end of the connecting plate away from the rotating block. An angle locking mechanism is provided at the connection between the connecting plate and the rotating plate, allowing the connecting plate to control the rotating plate's contact with walls at different angles. A suction cup is fixedly connected to the top of the rotating plate, and horizontal air bubbles are embedded in the bottom and sides of the rotating plate. This utility model, through the sliding of the rotating block within the grooves of the fixing plate and the rotational connection between the connecting plate and the rotating plate, combined with the angle locking mechanism, allows for flexible adjustment of the rotating plate's angle. This enables the suction cup on the rotating plate to tightly adhere to irregularly shaped walls or ceilings with curvature or tilt angles, effectively solving the problem that traditional fixed structures cannot adapt to irregular surfaces.

The utility model belongs to the technical field of wallpaper, and particularly relates to a wallpaper pasting auxiliary device for decoration, which comprises a trolley with locking rollers, an adjusting mechanism is arranged on the outer surface of the trolley, the adjusting mechanism comprises a spring and a sliding rod, the sliding rod is reset by the spring, the wallpaper is flatly pasted on a wall surface by arranging the auxiliary mechanism, and the wallpaper pasting auxiliary device is convenient to use. A push rod of the electric push rod and the sliding block are fixedly installed, stretching of the push rod can drive the sliding block to move on the slidably-connected movable frame, movement of the sliding block drives the supporting frame to move on the slidably-sleeved movable frame through the connecting rod, the supporting frame is rotationally connected with the pressing roller, and rotation of the pressing roller is not affected while the pressing roller is driven to move synchronously. Therefore, continuous and uniform pressure can be applied to the wallpaper, and the wallpaper is ensured to be tightly attached to the wall surface.

The utility model discloses an interior decoration wall cloth cutting device, which belongs to the technical field of wall cloth cutting and comprises a straight plate, two movable grooves and a cutting groove are formed in the front side of the straight plate, sliding grooves are formed in the two sides of the straight plate, a mounting seat is slidably connected between the two sliding grooves, and the cutting groove is arranged in the mounting seat. A first mounting groove and a second mounting groove are formed in the mounting base, a movable block is slidably connected to the inner side of the first mounting groove, and grooves are formed in the two sides of the movable block. The angle and the depth when the blade cuts decorative wall cloth can be controlled, so that the problems of improper strength and angle, easy generation of burrs and the like when a paper cutter is used are solved, meanwhile, in the process that the straight plate needs to be moved, the mounting seat plays a role of a guide rail, dislocation of the straight plate is avoided, and the problems of limited length of a ruler and inconvenience in use are solved. And multiple times of movement are needed in the cutting process, so that deflection or upper and lower gap dislocation is easily caused.

The invention relates to a wallpapering device (10) for wallpapering. A wallpapering brush (12) of the wallpapering device (10) has a brush body (14) and wallpapering bristles (18). The wallpapering bristles (18) are located on an underside (16) of the brush body (14). A connecting element (28) holds a seam roller (26) of the wallpapering device (10) to the brush body (14). A spatula (32) of the wallpapering device (10) is firmly attached to the brush body (14).

The invention discloses paper mounting equipment, and relates to the technical field of packaging mechanical equipment, the paper mounting equipment comprises a bottom paper conveying belt, the bottom paper conveying belt is in butt joint with a first surface paper conveying line, and the bottom paper conveying belt is further in butt joint with a second surface paper conveying line parallel to the first surface paper conveying line; the first face paper conveying line and the second face paper conveying line can independently convey face paper towards the bottom paper conveying belt in turn, and every time the bottom paper of the bottom paper conveying belt is replaced, the first face paper conveying line and the second face paper conveying line conduct conveying on the bottom paper conveying belt in turn. The waiting time of the backing paper conveying belt is greatly shortened, the situation that backing paper is wasted on the backing paper conveying belt is reduced, materials are saved, the manufacturing cost is reduced, on the premise that mass production is met, the situation of small-batch pasting paper production loss can be improved, and the backing paper conveying belt has good practical significance in actual production.

The utility model discloses a wallpaper pasting device for indoor decoration, which comprises a moving seat and a wallpaper roller, the top of the moving seat is provided with a tensioning component and a replacing component, and the wallpaper roller is arranged on the moving seat. The tensioning component comprises a supporting frame fixedly connected with the top of the moving base, moving openings formed in the two sides of the supporting frame correspondingly, moving blocks arranged in the moving openings, tensioning rollers connected with the moving blocks, grooves formed in the bottoms in the moving openings and pressing rods fixedly connected with the bottoms of the moving blocks. Through the arrangement of the moving seat, the wallpaper roller, the tensioning component and the replacing component, the problems that although an existing wallpaper pasting device can paste wallpaper during use, the wallpaper pasting effect is affected due to the fact that the wallpaper is prone to loosening due to lack of a tensioning structure during pasting, and meanwhile after the wallpaper is used up, the wallpaper is prone to loosening are solved. And the wallpaper roller is relatively tedious to replace, so that the wallpaper construction efficiency is influenced, and the practicability is reduced.

The application provides a corner tool for external corner plastering, which comprises a corner column, a butt joint groove is formed in the upper end surface of the corner column, an alloy plate is fixedly connected to one side of the corner column through a stud, a spring, a rubber washer and a knob are arranged on the side end surface of the stud, the spring and the rubber washer are arranged on the side adjacent to the corner column of the alloy plate, the knob is arranged on the side of the stud away from the corner column, a fixing piece is arranged on the rear side of the side of the alloy plate away from the corner column, a fixing bolt is fixedly connected to the side end surface of the fixing piece, an adjusting rod is installed on the front end surface of the corner column, the adjusting rod comprises a threaded rod and two adjusting sleeves, the two adjusting sleeves are fixedly connected to the two ends of the threaded rod, one end of the adjusting sleeve away from the threaded rod is rotatably connected with a connecting piece, and the side of the connecting piece away from the adjusting sleeve is elastically connected with a fixing piece through an elastic connecting piece.

The utility model relates to the technical field of building decoration wallpaper laminating, in particular to a wallpaper laminating device which comprises a base, a power box is fixedly connected to the upper surface of the base, a connecting column is rotationally connected to the lower surface of the inner wall of the power box, and the top end of the connecting column is fixedly connected with the lower surface of a bogie. A direction adjusting assembly is arranged on the outer surface of a connecting column, a micro motor b rotates reversely, wallpaper is separated from the outer surface of a winding roller, a spring a pushes a sliding block and an attaching roller to move backwards, and the attaching roller is arranged below the winding roller, so that when the wallpaper is separated from the winding roller, the wallpaper is attached to the wall surface, wrinkles and inclination caused by attaching of the wallpaper are avoided, and the wallpaper attaching efficiency is improved. The scraping plate is arranged below the laminating roller, the spring rod pushes the scraping plate to move backwards, and the scraping plate is used for laminating the wallpaper from bottom to top, so that the wallpaper is more tightly laminated on the surface of the wall, and the problems that the construction progress is influenced due to the situations that the wallpaper is easy to skew, wrinkle and the like in the conventional wallpaper laminating process are solved.

The invention discloses a fireproof glue-free clear water pasting wall cloth construction technology applied to the field of decoration tools, according to the technology, clear water is sprayed on wall cloth with a water-based glue layer, rapid paving of a wall face in an old renovation project is achieved, and compared with the mode that in the prior art, the wall face is firstly coated with glue, and then pasting is conducted, the construction efficiency is improved. The water-based glue can directly achieve pasting, the construction period is effectively shortened, putty coating and sanding do not need to be conducted on an original wall surface again, dust pollution is effectively reduced, the wall cloth is automatically pasted and stricken through the auxiliary pasting frame, and compared with the mode that a worker builds a scaffold for operation in the prior art, the construction efficiency is greatly improved. According to the wall cloth pasting device, the risk caused by climbing operation of workers can be avoided, the construction efficiency is effectively improved, in addition, bubble checking is carried out on the pasted wall cloth, bubbles are automatically discharged, and the construction quality of the wall cloth is effectively improved.

The invention discloses a paper mounting machine with an automatic feeding function, and relates to the technical field of automatic feeding, the paper mounting machine comprises a conveyor and a taking and conveying device, the feeding end and the side edge of the conveyor are respectively provided with a feeding device, and the conveyor is provided with a forming device; the taking and conveying device comprises a position adjusting assembly and a sensing assembly, and the position adjusting assembly is connected with the sensing assembly. The position adjusting assembly is connected with the conveyor, and the position adjusting assembly adjusts the adsorption range of the paperboard through the sensing assembly. The taking and conveying device located on the side edge automatically adjusts the adsorption range according to the size of the paperboard, and the multi-category applicability is improved. The induction assembly is used for driving the position adjusting assembly to move so that the position adjusting assembly can be matched with the paperboard shape, the adsorption range is adjusted according to the paperboard size, and self-positioning adsorption is completed.

The invention relates to a wallpapering device (10) for wallpapering. A wallpapering brush (12) of the wallpapering device (10) has a brush body (14) and wallpapering bristles (18). The wallpapering bristles (18) are located on an underside (16) of the brush body (14). A connecting element (28) holds a seam roller (26) of the wallpapering device (10) to the brush body (14). A spatula (32) of the wallpapering device (10) is firmly attached to the brush body (14).

The utility model relates to the technical field of paper mounting machines, and discloses a cleaning device for gluing of a paper mounting machine, which comprises a case and gluing rollers, the inner side of the case is provided with two gluing rollers, the outer surface of each gluing roller is provided with a glue solution groove, the inner wall of the case is fixedly provided with a cleaning assembly, and the cleaning assembly is fixedly connected with the case. The cleaning assembly comprises a pneumatic telescopic rod fixedly installed on the inner wall of the machine box. Compared with a traditional device, on one hand, two sets of pneumatic telescopic rods are used for pushing a cleaning lantern ring to move, water is conveyed into a communicating water pipe in a matched mode and guided into a cleaning cavity, a built-in heat conduction resistance wire can heat water, heat is conducted to heat conduction fins, solidified glue in a glue liquid tank can be effectively melted, and the cleaning effect is improved; and on the other hand, water flows through the water outlet hole to flush the glue liquid tank, hydraulic cleaning is achieved, the whole process is subjected to mechanical, hydraulic and thermal collaborative operation, the cleaning efficiency is greatly improved, and convenient conditions are created for subsequent deep cleaning.

The application relates to a wallpaper paving robot and relates to the field of household devices, and comprises a robot body and a paving working end installed on the robot body, a material pipe is connected to the shell of the paving working end, a dust suction cover is arranged on one side of the material pipe, the dust suction cover is communicated with the material pipe through a connecting hose, and the opening of the dust suction cover faces the side far away from the robot body; a connecting piece for supporting the dust suction cover is arranged in the connecting hose, the length direction of the connecting piece is arranged along the connecting direction of the dust suction cover and the material pipe, and the length of the connecting piece can be stretched and contracted; an air suction fan is further installed on the shell of the paving working end, and an air suction pipe of the air suction fan is fixedly communicated with the material pipe. The application has the effect of improving the paving efficiency of the wallpaper paving robot.

To provide a wallpaper gluing machine that has a function to facilitate the work of wrapping cut tape around a leveling roller by making it easy to clean the area around the leveling roller with a sponge when moving or replacing the cut tape.SOLUTION: A wallpaper gluing machine applies and discharges cut tape on a glue surface while leveling the glue surface with a leveling roller. The leveling roller is installed by fitting a one-way clutch into a hole in a leveling roller gear for rotating the leveling roller, inserting a shaft of the leveling roller into the hole in the one-way clutch, and when the feed roller rotates in the direction in which the wallpaper is discharged, the leveling roller gear and the shaft of the leveling roller are connected, thereby rotating the leveling roller in the direction in which the wall paper is discharged, and when the leveling roller rotates in the opposite direction by the force given from the leveling roller side, the leveling roller shaft and the leveling roller gear are idled, thereby rotating the leveling roller in the opposite direction.SELECTED DRAWING: Figure 8

The utility model discloses a building decorative paper trowelling device, which relates to the technical field of decorative paper processing, and comprises an object main body, one side of the object main body is fixedly connected with a lantern ring grip, one side of the lantern ring grip is fixedly connected with a fixed block, one side of the fixed block is fixedly connected with a nut, one side of the nut is movably connected with a threaded rod, and the threaded rod is fixedly connected with the object main body. A protection plate is fixedly connected to one side of the object body, a fixing plate is fixedly connected to the upper surface of the protection plate, a telescopic rod is fixedly connected to one side of the fixing plate, a protection shell is fixedly connected to one side of the telescopic rod, and a connecting block is fixedly connected to one side of the protection shell. When a user needs to use trowelling, the user needs to turn on the motor, after the motor is started, the output shaft of the motor can be driven to rotate through the trowelling plate fixedly connected with the coupler, and efficient trowelling can be carried out by enabling the protective plate to be close to the position needing trowelling by the user.