10 results about "Asbestos cement" patented technology

The utility model discloses asbestos cement brick forming equipment which comprises a material receiving table, an air cylinder is fixedly installed on the left side of the material receiving table through a bolt, the output end of the air cylinder is fixedly connected with a material frame through a flange, sliding grooves are formed in the front side and the rear side of the material frame, and L-shaped racks are fixedly installed on the front side and the rear side of the material frame through bolts. A sliding plate is slidably connected to the inner wall of the sliding groove, and a first motor is fixedly mounted on the inner wall of the sliding plate through a bolt. The L-shaped rack, the first motor and the gear are matched to enable the sliding plate to move in a reciprocating mode in the left-right direction, then the sliding plate drives the rake plate through the sliding rod to stir and pave materials in the left-right direction, and meanwhile the rectangular frame is stirred through the stirring shaft, so that the sliding rod drives the rake plate to stir and pave the materials in the front-back direction. Therefore, the purposes of stirring and paving the materials in the frame body and avoiding reciprocating vibration of the frame body so as to prevent the materials from falling to the ground can be achieved.

The utility model discloses an underground well interface anti-seepage structure, which is characterized in that asbestos cement filled in a gap between an underground pipeline and a rigid waterproof sleeve is used as a first rigid anti-seepage measure, so that a liquid medium in an underground well chamber cannot leak outwards from the gap between the underground pipeline and the rigid waterproof sleeve; moreover, the rubber sealing element is arranged to serve as a flexible second anti-seepage measure, so that when the first anti-seepage measure is damaged, the liquid medium leaked from the gap is blocked by the small-diameter pipe part of the rubber sealing element which is fixedly arranged outside the underground pipeline in a sealing and sleeving manner; furthermore, the liquid medium in the underground well chamber is prevented from leaking outwards through a connector between the underground pipeline and the underground well chamber, and environmental pollution caused by leakage is avoided. The device is suitable for any underground pipeline well chamber system, and has the advantages of low cost, simplicity in installation and construction and wide application range.

The utility model belongs to the technical field of asbestos cement production, and particularly relates to a multifunctional screening device for asbestos cement products, which comprises a screening box and a drying and scattering box. The top of the screening box is fixedly connected with the bottom of a drying and scattering box, the top of the drying and scattering box is connected with a feeding hopper, one side of the drying and scattering box is fixedly connected with an output motor, the output end of the output motor is fixedly connected with a movable column, and the surface of the movable column is fixedly connected with a plurality of scattering rods. Heating plates are fixedly connected to the two sides of the interior of the drying and scattering box; the screening device solves the problems that when an existing screening device for the asbestos cement products is used for screening particles of the asbestos cement products, the particles of the asbestos cement products can be agglomerated in a humid environment and can be stacked and adhered to a screening plate when the screening device is used for screening the particles of the asbestos cement products, and the screening plate can be blocked; and therefore, screening of particles of the asbestos cement products is affected.

The utility model relates to the field of building construction, in particular to a pipeline wall penetrating structure which comprises a wall. The steel sleeve is pre-buried in the wall body, the two ends of the steel sleeve are flush with the surface of the wall body, and holes are formed in the two end portions of the steel sleeve; the pipeline penetrates through the steel sleeve, and the pipeline and the steel sleeve are concentrically arranged; the two sealing discs are arranged on the positions, located on the two sides of the wall body, of the pipeline in a sleeving mode correspondingly and installed on the wall body; wherein a check ring is welded in the middle of the portion, located in the steel sleeve, of the pipeline, oil hemp is arranged on the check ring, the space between the steel sleeve and the pipeline is filled with the oil hemp, and the positions, located on the two sides of the oil hemp, between the steel sleeve and the pipeline are filled with asbestos cement. The fireproof, waterproof, heat preservation and anti-seismic performance and structural strength of the pipeline installation position are enhanced through the oil hemp, the asbestos cement and the sealing disc, and one-time sealing is achieved; the liquid injection channel and the liquid distribution holes are formed in the steel sleeve, so that leakage checking and vacancy filling type secondary sealing is achieved.

The utility model belongs to the field of asbestos cement products, and particularly relates to processing equipment for asbestos cement products, which comprises a cutting machine. Multiple sets of first supporting columns are fixedly connected to the two sides of the top of the cutting machine. Supporting plates are fixedly connected to the end parts of the first supporting columns; a plurality of sliding grooves are formed in the middle of the supporting plate. A sliding plate is slidably connected to the middle of the sliding groove. A first electric push rod is fixedly connected to the middle of the sliding plate; the end part of the first electric push rod is fixedly connected with a connecting plate; the asbestos cement products can be cut under the condition that the asbestos cement products are not moved under the mutual cooperation of a first electric push rod and a first grip, so that the situations that the cutting accuracy is affected and the qualified rate of products is low possibly due to the fact that the asbestos cement products need to be moved by a traditional cutting device are prevented; and the effect of limiting the moving track of the first electric push rod can be achieved through the sliding groove, and therefore the situation that when the first electric push rod is pulled, the first electric push rod possibly deviates leftwards and rightwards, and consequently the cutting accuracy of the cutting blade is affected is prevented.

The utility model discloses a construction site waste recovery box, which belongs to the technical field of waste recovery, and comprises a crushing box, a water inlet pipe and a water tank are communicated, a water outlet of a water pump is fixedly connected with a water outlet pipe, one end of the water outlet pipe far away from the water pump is fixedly connected with a shunt pipe, and four flow pipes are fixedly communicated with atomizing nozzles. According to the waste recycling box for the construction site, water in a water tank is absorbed and transferred through operation of a water suction pump, a water inlet pipe and a water outlet pipe, water is transferred to the top of a feeding hopper through cooperative use of a flow dividing pipe and a water collecting pipe, and then the water is obliquely and downwards sprayed into a crushing box through cooperative use of a flowing pipe and an atomizing spray head; part of the water mist is left in the crushing box, and part of the water is in contact with the asbestos cement board in the crushing box, so that asbestos board dust formed in the crushing process is wetted through a water spraying, pre-soaking or wet crushing method, the dust flying capacity is reduced, and asbestos fibers are prevented from entering air.

This utility model belongs to the field of sleeve sealing technology, and provides a sleeve structure for sealing concrete water tanks, including a sleeve with a water-stopping wing ring; the sleeve is coaxially fitted inside the perforation in the tank wall; a through-wall pipe is coaxially fitted inside the sleeve, and an annular cavity is formed between the through-wall pipe and the sleeve. Within the annular cavity, along the direction from the inner to the outer side of the tank wall, a limiting ring, an asbestos cement ring, an oil-impregnated hemp ring, another asbestos cement ring, and a sealant ring are sequentially arranged. This sleeve structure, through the design of a multi-layer sealing material composed of non-toxic sealant, asbestos cement, and oil-impregnated hemp, and a composite waterproof membrane formed by a three-layer anti-corrosion layer and a waterproof membrane, significantly improves waterproof performance. The use of stainless steel tube bundles and steel ferrules ensures a tight connection between the various layers of materials, preventing gaps from forming between the tank wall and the through-wall pipe due to thermal expansion and contraction, thereby preventing water leakage.

The application relates to the technical field of structural members, and particularly discloses a high-strength gypsum batten with pressure resistance and folding resistance, which comprises a batten main body and a plurality of folding resistance assemblies equidistantly distributed along the width direction inside the batten main body, the folding resistance assemblies are arranged between adjacent holes, a single folding resistance assembly comprises first and second buffer plates which are parallel to each other, first and second V-shaped frames which are alternately and oppositely arranged between the first and second buffer plates, and a first buffer column which is connected to the inner sides of the first and second V-shaped frames through arc fixing claws, and the outer side of the second V-shaped frame is connected to a second buffer column through an arc fixing claw, and the outer side of the first V-shaped frame is connected to a third buffer column through an arc fixing claw; the batten main body is composed of gypsum, hemihydrate gypsum, asbestos cement, composite fibers, modified hardening fillers and the like, the folding resistance assembly effectively improves the folding resistance of the gypsum batten, and the batten main body raw material formula also improves the pressure resistance and folding resistance of the gypsum batten.

The application discloses a kind of based on multi-source sensing's asbestos cement quality detection method, belong to image data processing technical field, specifically include: first, the high-resolution topography and thermodynamic image of asbestos cement test piece are collected, and initial structure distribution matrix is constructed to align bimodal coordinate system;Subsequently, local pixel direction gradient is extracted, and the tensor feature map representing fiber direction is constructed;Then, the thermodynamic image is projected to the feature map, and the bias of heat conduction attenuation and fiber direction is calculated to locate the cross-modal thermal anomaly node;Then, the spatial topology graph is established with the abnormal node as the vertex, the geometric connectivity weight is calculated, and the normal fiber interference node is completely filtered out;Finally, the boundary profile of microcracking area is reconstructed along the connected path of the remaining vertex, and the physical coordinate sequence of structural defects is output;The present application can accurately extract and reconstruct the microstructure defect from the extremely complex base texture, effectively solve the serious misjudgment problem caused by the image feature being submerged.

The invention relates to the technical field of structural members, and particularly discloses a pressure-resistant and fracture-resistant high-strength gypsum batten which structurally comprises a batten body and a plurality of fracture-resistant assemblies distributed in the batten body at equal intervals in the width direction, the fracture-resistant assemblies are arranged between adjacent holes, and each fracture-resistant assembly comprises a first buffer plate and a second buffer plate which are parallel up and down; a first V-shaped frame and a second V-shaped frame are alternately and reversely arranged between the first V-shaped frame and the second V-shaped frame, the inner sides of the first V-shaped frame and the second V-shaped frame are connected and share a first buffer column through cambered surface fixing claws, and a second buffer column and a third buffer column are connected above the outer side of the second V-shaped frame and below the outer side of the first V-shaped frame through cambered surface fixing claws respectively; the batten body is composed of gypsum, semi-hydrated gypsum, asbestos cement, composite fibers, modified hardening filler and other raw materials, the fracture resistance of the gypsum batten is effectively improved through the structural design of the fracture-resistant assembly, and meanwhile the compression resistance and fracture resistance of the gypsum batten are improved in an auxiliary mode through the batten body raw material formula.