17results about How to "Reduce hollowing" patented technology

The invention provides a ceramic tile back surface charged bead effect scavenger and a preparation method thereof, and belongs to the technical field of building materials. The scavenging agent comprises the following components in percentage by mass: 0.5-5% of a silane coupling agent, 2-10% of acrylate-vinyl versatate copolymer latex powder, 1-8% of silicon dioxide nanoparticles, 8-20% of an alkaline component, 3-10% of a bio-based surfactant, 1-5% of lipase, 8-20% of an adsorbent and 40-70% of a filler. The remover can effectively remove the bead effect on the back of the ceramic tile, improve the adhesive property of the ceramic tile, improve the durability, especially the adhesive property of the ceramic tile after water immersion and thermal aging, reduce the hollowing phenomenon and prolong the service life of the ceramic tile; the scavenger has the advantages of low formula cost, easily available raw materials, low toxicity, environmental protection, simple and fast use method, improvement of construction efficiency and construction quality, easy operation, cost saving, and enhancement of safety and environmental protection.

The utility model provides regular crushing equipment for plastic bottles. The regular crushing equipment for the plastic bottles comprises a crushing box used for performing regular crushing treatment on the plastic bottles; the two crushing rollers are used for crushing the plastic bottles, both the two crushing rollers are rotationally mounted on the crushing box, and the two crushing rollers are matched with each other; the two extrusion rollers are used for extruding the plastic bottles, the two extrusion rollers are rotationally mounted on the crushing box, and the two extrusion rollers are matched with each other; the screening frame is used for carrying out screening and impurity removal on the crushed plastic, and the screening frame is arranged on the crushing box in a sliding mode; and the two first circular gears are fixedly arranged on the two crushing rollers in a sleeving manner correspondingly. According to the regular crushing equipment for the plastic bottles, the plastic bottles can be regularly crushed, and impurities generated in the crushing process can be screened, so that the subsequent cleaning work on the crushed plastic blocks is facilitated.

The utility model belongs to the technical field of mulching film laying, and particularly relates to a mulching film laying device for tobacco planting, which comprises a film laying machine frame, and a mulching film roll is rotatably mounted on the lower portion of the advancing end of the film laying machine frame. A tension adjusting and opening assembly used for opening a mulching film to prevent wrinkles when the mulching film is laid on the mulching film roll is arranged on the side, opposite to the advancing end, of the mulching film roll and located in the middle of the film laying machine frame. The tension adjusting opening assembly comprises an inverted U-shaped lifting plate installed on the lower portion of the film laying machine frame in a lifting mode, a guide roller rotationally installed on the lower middle portion of the U-shaped lifting plate and tension adjusting mulching film opening rollers transversely installed on the outer walls of the two sides of the U-shaped lifting plate in a telescopic mode. The periphery of the guide roller is sleeved with a foam compacting sleeve for compacting a mulching film to cover different concave-convex planting land parcels of tobacco, and the periphery of the tension adjusting mulching film opening roller is sleeved with an anti-skid rubber sleeve for opening the mulching film in a back-to-back and outward mode. The mulching effect of the plastic film is improved and wrinkles are prevented.

The application discloses a stone curtain wall with an assembling structure and an assembling method thereof, and relates to the technical field of buildings. The stone curtain wall comprises a wall body, a keel assembly, a first stone plate, a second stone plate, an elastic sealing element and a lamp strip assembly. The second stone plate under the action of gravity is hung on the keel assembly by using the cooperation of each hook part and each hanging groove. Then, the elastic sealing element and the first stone plate are used to cooperate with the first hook part under the action of gravity, the tongue block of the second stone plate is clamped in the installation groove in the up-down clamping mode, the second stone plate is firmly installed, and the second inclined keel is effectively prevented from being fixed by manual work or other tools in the curing process of the back adhesive, the hollow space between the second stone plate and the second inclined keel is effectively reduced, the effective area and the bonding strength of the back adhesive are ensured. In addition, the lamp strip assembly is used as the corner assembling element between the stone plates in the stone curtain wall, the lamp strip assembly is organically integrated into the stone curtain wall, the stone curtain wall has the night scene function, and the structural strength of the stone curtain wall is improved.

This utility model relates to a crack-resistant, high thermal conductivity ceramic tile. It solves the problems of poor thermal conductivity and easy cracking and hollowing in existing ceramic tiles. It includes a ceramic tile body, with a wear-resistant and crack-resistant structural layer on the upper surface, an adhesive bonding assembly at the lower end, and a pressure-resistant mechanism in the middle layer of the ceramic tile body for connecting the wear-resistant and crack-resistant structural layer and the adhesive bonding assembly. An adhesive supply structure is provided between the pressure-resistant mechanism and the adhesive bonding assembly. The advantages of this utility model are: good thermal conductivity, less prone to cracking and hollowing, and a stable structure.

The utility model provides a ceramic tile seam auxiliary device for building decoration, which comprises a connecting piece and a guide rod, the guide rod is fixedly connected inside the connecting piece, and the outer surface of the guide rod is movably connected with a first sliding block. Compared with the prior art, the ceramic tile pressing device has the advantages that aiming at the adjacent edges of two ceramic tiles, the second sliding blocks are moved, the two second sliding blocks correspond to the adjacent edges of the two ceramic tiles respectively, the handles are rotated respectively, the pressing heads act on the adjacent edges of the two ceramic tiles respectively, the height of the seam of the two ceramic tiles is guaranteed to be consistent, the pressing heads are in a linear array, and multi-point positioning is achieved. The tile paving device has the advantages that tidy joints can be effectively formed between two tiles, the paving effect is tidy, and the tile paving device has the advantages that the tiles can be prevented from shifting in the paving process by positioning the tiles through the suckers, position accuracy of the tiles is guaranteed, stability is kept in long-term use, tight combination between the tiles and a base surface can be guaranteed, and the tile paving effect is improved. And the hollowing phenomenon caused by vibration or other external factors is reduced.

The utility model discloses pavement local pothole repairing and trowelling equipment which comprises a base plate and a frame body, a slurry tank is arranged right above the base plate, a repairing and trowelling mechanism is arranged right below the base plate, the slurry tank and the base plate are fixedly connected through an alloy pipe, and the discharging end of the alloy pipe extends to the position below the base plate. A main shaft is fixed to the center of the repairing and trowelling mechanism, a scraping plate is fixedly arranged on the main shaft, telescopic rake teeth are installed in the scraping plate, and the top of the main shaft is rotationally connected with the base plate through a bearing. According to the utility model, slurry can be flatly paved in a pit by arranging the continuously rotating scraper blade, and the rake teeth are arranged to continuously rotate along with the scraper blade, so that the hollowing phenomenon during slurry pouring can be reduced, and the condition that mortar and gravel in the slurry are not uniformly distributed is reduced.

The utility model relates to the technical field of scrapers, in particular to a mixed type glue scraping serrated knife which comprises a handle and a scraper blade, the scraper blade comprises a main body piece and a front sawtooth set, the front sawtooth set comprises a plurality of front tooth pieces which are arranged at intervals and sequentially arranged, and a first inter-tooth groove or a second inter-tooth groove is formed between every two adjacent front tooth pieces. The number of the first inter-tooth grooves and the number of the second inter-tooth grooves are both multiple, at least one first inter-tooth groove is formed between every two adjacent second inter-tooth grooves, the front ends of the first inter-tooth grooves and the front ends of the second inter-tooth grooves are open, and the depth of the second inter-tooth grooves sinking towards the main body piece is larger than the depth of the first inter-tooth grooves sinking towards the main body piece. The front sawtooth set is combined by adopting mixed inter-tooth grooves and tooth pieces of different sizes to form a mixed sawtooth set, when blade coating operation is carried out under the condition that a base layer or the ceramic tile is not flat, the effective bonding face of the ceramic tile and a ceramic tile adhesive layer is improved, and the hollowing phenomenon generated in the paving operation of the ceramic tile can be effectively reduced.

The utility model discloses an indoor wall surface capable of reducing ceramic tile hollowing, and belongs to the field of building indoor wall surfaces, the indoor wall surface comprises a wall surface, one side of the wall surface is provided with a hollowing reducing mechanism, the hollowing reducing mechanism comprises a fixing plate, the fixing plate is slidably connected with the wall surface, one side of the fixing plate is fixedly connected with a wire mesh, and the wire mesh is fixedly connected with the wall surface. An adhesion layer is arranged on one side of the iron gauze, tiles adhere to one side of the adhesion layer, a fixing mechanism is arranged on the top of the fixing plate, a splicing mechanism is arranged on one side of the fixing plate, and a limiting mechanism is arranged in the splicing mechanism. And then the ceramic tiles are adhered to the surface of the iron wire net through the adhesion layer smeared on the surface of the iron wire net, so that the problems that according to an existing indoor wall surface capable of reducing ceramic tile hollowing, when the surfaces of the ceramic tiles are grooved, the ceramic tiles are prone to being broken, and the machining difficulty is increased are solved, and practicability is improved.

The invention relates to the technical field of reinforced masonry structures, and discloses an assembled reinforced masonry structure which comprises two convex blocks fixedly connected to the outer wall of a limiting ring, two limiting nuts are in threaded connection to the outer walls of the two sides of a short split bolt, and a plurality of limiting blocks are fixedly connected to the outer wall of a blocking plate. Two limiting rings are rotationally connected to the outer walls of the two sides of the short split bolt. Due to the fact that the long split bolts, the short split bolts and other reinforcing structures used for reinforcing can become a part of the masonry along with pouring of concrete, traditional masonry tie bars bound on site are replaced, loads can be directly transmitted in the masonry through the reinforcing mechanism instead of being transmitted only through a mortar interface, the overall strength of the masonry is enhanced, and the overall strength of the masonry is improved. The ductility, shear resistance and tensile strength of the masonry are improved, brittle collapse of the traditional masonry when the traditional masonry is shocked and loaded is avoided, and the anti-seismic property is far better than that of a masonry structure which is purely bonded by mortar or externally reinforced.

The invention relates to the technical field of pipe jacking construction equipment, and discloses a grouting device for pipe jacking construction, which comprises a pipe jacking body, a grouting mechanism is arranged in the pipe jacking body, the grouting mechanism comprises a grouting ring body arranged in the pipe jacking body, one end of the grouting ring body is communicated with a first grouting pipe, and the other end of the grouting ring body is communicated with a second grouting pipe. One end of the grouting ring body is communicated with the first grouting pipe through a second grouting pipe, the periphery of the grouting ring body is further communicated with a guide pipe, a rotating ring body is slidably installed on the inner wall of the grouting ring body, a plurality of arc-shaped fins are fixedly installed on the periphery of the rotating ring body at equal intervals, and in the grouting process, the arc-shaped fins are evenly distributed on the periphery of the rotating ring body. When the grouting ring body rotates, the grouting ring body can abut against the arc-shaped fins and drive the arc-shaped fins and the rotating ring body to rotate in the grouting ring body, grout in the grouting ring body is guided, the grout is evenly distributed in all areas in the grouting ring body, and the situation that hollowing occurs due to uneven grouting of the grout is reduced.

The utility model belongs to the technical field of building construction, and discloses a wall body plaster layer anti-cracking reinforcing structure which comprises two bases which are arranged on a structural layer and are in a vertical state, two installation bases which are arranged on the two bases respectively and a rolling rod which is arranged between the two installation bases. The base is provided with a control assembly for controlling the mounting base to slide in the direction close to or away from the base, and the rolling rod has a vertical storage state, a horizontal preparation state and a use state, wherein the rolling rod is not close to the plaster layer, and the rolling rod is in the horizontal state and is close to the plaster layer. Wherein one mounting seat is provided with a storage groove for placing the rolling rod in a storage state, and the mounting seat is provided with a rotating shaft at the storage groove, by means of the scheme, after the plastering layer is laid, the plastering layer is pressed tightly through the rolling rod, the situation that hollowing exists between the plastering layer or a structural layer is reduced, and the effect of preventing the plastering layer from cracking is achieved.

The invention belongs to the technical field of paving robots and discloses a multi-angle rotating brick paving robot which comprises a driving vehicle body, a supporting platform is mounted at the top of the driving vehicle body, a supporting frame is mounted at the top of the supporting platform, and supporting mechanisms are mounted on the two vertical sides and the transverse top of the supporting frame correspondingly. And the mechanical arm mechanism is mounted on one side of the single supporting mechanism. According to the supporting mechanism, when the main push rod arm and the auxiliary push rod arm located on one side of the supporting rod are driven by the main push rod arm on the other side to move, the main push rod arm can rotate in the rotating base through the second rotating block connected to the rear side; the rotating seat rotates to enable the first rotating block on the other side to drive the supporting rod to rotate and deviate around the axis of the bearing seat, so that interference in the displacement process can be reduced through the main push rod arm and the side push rod arm which can deviate, displacement interference between mechanical arm mechanisms can be reduced, and the movement stability is improved.

The invention relates to the technical field of metal die-casting, and discloses an aluminum alloy ingot die-casting device and a using method thereof.The aluminum alloy ingot die-casting device comprises a platen, two supporting frames are symmetrically and fixedly connected to the bottom of the platen, and the aluminum alloy ingot die-casting device further comprises a forming ejection unit, an upper die shifting unit and a push-out unit; the forming ejection unit is arranged on the platen; the upper die shifting unit is arranged on the forming ejection unit; the push-out unit is arranged on the platen; the forming ejection unit comprises a forming ejection component which is arranged on the platen. A feeding part is arranged on the forming ejection part; a blocking part is arranged on the feeding part; through mutual cooperation of a forming ejection part, a feeding part and a blocking part in the forming ejection unit, aluminum alloy liquid can be cooled and formed, an aluminum alloy ingot is finally formed, an ejection frame drives a pushing block to upwards push a fixing block, a spring is elastically compressed through the fixing block, and the aluminum alloy ingot is formed. And the formed aluminum alloy ingot in the die-casting groove is ejected out by the ejection push block.

A secondary drainage system for draining water seeping from tile grout in bathrooms addresses the technical problem mentioned in the background art: secondary drainage relies on secondary leveling, requiring a drainage slope of at least 2° with the ground as the base layer and the secondary drain outlet as the lowest point. Therefore, without leveling the ground, water seeping into the tile grout cannot be effectively drained. The system includes a main drain pipe with an inlet and an outlet at both ends. Four branch pipes are connected to the main drain pipe, each connected to the side wall of the main drain pipe and evenly distributed circumferentially. Each branch pipe has a connecting pipe with several through holes for collecting water from the grout between adjacent tiles and discharging it into the branch pipe. Adjacent connecting pipes have connecting components, including a first connector, a second connector, a first elbow, a second elbow, and a plug.

The utility model discloses a combined type laminating device for leather processing, which relates to the technical field of leather processing equipment and comprises a workbench, a fixed seat is welded and mounted in the middle of the upper end face of the workbench, a mounting frame is mounted in the fixed seat, a movable compression roller is rotatably mounted in the mounting frame, and the movable compression roller is rotatably mounted in the workbench. A groove is formed in the position, corresponding to the lower portion of the movable pressing roller, of the workbench, a fixed pressing roller is rotationally installed in the groove, a hydraulic lifting device is fixedly installed at the top end of the fixed base, a pressing table which is in sliding limiting with the workbench is arranged at the rear end of the fixed base, and electric push rods are installed on the two sides of the pressing table. A mounting base is arranged above the pressing table, an ultrasonic pressing assembly is arranged in the mounting base, and the problems that after different leather materials are compounded through the laminating device, permeation and diffusion of an adhesive and leather fibers are insufficient, and air is prone to being left on an interface to form bubbles and hollowing are solved.

The utility model discloses a chain type reinforcing device for a wash basin, which belongs to the technical field of wash basin installation and is technically characterized by comprising an under-counter basin component and a support component. When the undercounter assembly is installed, the supporting assembly can be installed on the installation assembly firstly, then the installation assembly can be placed at a pre-designed position, and the installation assembly is fixedly connected through the fixing assembly, so that the situation that the installation assembly falls or deviates in the subsequent use process is avoided, and the service life of the undercounter assembly is prolonged. Then the undercounter basin assembly is arranged in the mounting groove formed in the mounting seat, and the drainage pipe and the water filter screen are arranged in the annular structure formed by the two hooks B and the iron chain B, so that the wash basin can be supported through the supporting assembly, and the phenomenon that the wash basin falls or falls off in the subsequent use process is avoided.