347results about How to "Improve tightness" patented technology

The invention discloses a rapid splicing device for wall decoration plates, and particularly relates to the field of building construction.The rapid splicing device comprises a self-driven trolley, a distance adjusting mechanism is installed in the middle of the top end of the self-driven trolley, a supporting frame is supported at the top end of the distance adjusting mechanism, a lifting mechanism is installed on the supporting frame, and a fixing plate is installed on the lifting mechanism; the fixing plate is connected with a hydraulic telescopic rod, the hydraulic telescopic rod is connected with a transverse frame, a moving mechanism is installed on the transverse frame, a vacuum suction cup is installed on the moving mechanism, the vacuum suction cup is connected with a vacuum pump, the hydraulic telescopic rod is hinged to the top end of the fixing plate, and the other end of the hydraulic telescopic rod is movably connected with the transverse frame. A movable frame is welded to the bottom end of the fixed plate, a connecting plate is welded to the bottom end of one side of the transverse frame, and the connecting plate is hinged to the movable frame. The wall decoration plate splicing device has the advantages that wall decoration plates can be automatically spliced, the splicing efficiency is high, the automation degree is high, and labor is saved.

The invention discloses a power cable and a cable connecting device thereof, and relates to the technical field of cables, the power cable comprises a main body assembly, the main body assembly comprises a connecting frame, an upper inlet is formed in the top end in the connecting frame, a lower inlet is formed in the bottom end in the connecting frame, the power cable further comprises an upper connecting assembly and a lower connecting assembly, and the lower connecting assembly is arranged below the main body assembly. Through mutual cooperation of a second elastic piece, a first air bag and a second air bag, when the cable is affected by the outside and shakes to cause looseness of the cable joint, the second air bag is not attached to the cable, so that the elastic potential energy of the second elastic piece is released to extrude the first air bag, and the second air bag expands to be tightly attached to the cable all the time; the tightness of cable connection is improved, and the sealing performance of the cable is ensured, so that the cable can normally transmit.

The invention relates to the technical field of clustering analysis, and particularly discloses a fruit growth monitoring system, which comprises an acquisition module for acquiring a target value at a time point, acquiring target data based on the target value, and generating a target point; the clustering analysis module is used for setting a clustering radius and clustering the target points according to the density of the target points in the clustering radius; the clustering optimization module is used for adjusting a clustering cluster according to the theoretical gravity center and the maximum distance when the density of the target points in the overlapping region meets the condition; and the result module obtains the standard points and judges the growth state of the fruits based on the standard points. According to the invention, the efficiency of monitoring the growth state of the fruits can be improved.

The invention particularly relates to plate extrusion equipment and a using method thereof.The plate extrusion equipment comprises a plate discharging composite machine head, a plurality of feeding ends arranged on one side of the plate discharging composite machine head and a plurality of thermoplastic extruders correspondingly connected with the feeding ends of the plate discharging composite machine head, and the plate discharging composite machine head and the four thermoplastic extruders matched with the plate discharging composite machine head work cooperatively; according to the utility model, materials from different thermoplastic extruders can be layered, pressurized and conveyed through the four conical pressurizing ports, so that multiple layers of materials can be synchronously and accurately compounded in the plate outlet groove, the tight combination between layers is ensured, and the structural stability of the composite plate is improved; wherein the design of horizontal communication between the horizontal plate cavity and the plate outlet groove ensures the stable transition of the composite material in the extrusion molding process, avoids the common problem of unstable extrusion or fault in the traditional equipment, and is combined with the use of the cooler, so that the composite plate can be quickly cooled and molded after being extruded, the production efficiency is improved, and the production cost is reduced. And the size accuracy and the surface quality of the plate are ensured.

The invention discloses a preparation method of a high-barrier fresh-keeping film for food fresh-keeping packaging, belongs to the technical field of fresh-keeping film processing, and aims to solve the technical problem that the barrier property of a high-barrier fresh-keeping film to water vapor and oxygen and the tensile property of the high-barrier fresh-keeping film in the prior art need to be further improved. The preparation method comprises the following steps: adding barrier layer mixed particles, bonding layer mixed particles and a supporting layer material into a multi-layer co-extrusion extruder, carrying out melt extrusion, injecting into a multi-layer co-extrusion film machine, and carrying out blow molding to obtain the high-barrier-property preservative film which is compounded by five layers, namely a supporting layer, a bonding layer, a barrier layer, a bonding layer and a supporting layer from top to bottom, according to the invention, modified graphene is added into composite polyester of the barrier layer for modification, and waterborne polyurethane added with modified polysiloxane is prepared to obtain the bonding layer, so that the tensile property and the barrier property to water vapor and oxygen of the preservative film are further improved.

The utility model belongs to the technical field of heat supply pipe leakage-proof equipment, and particularly relates to a heat supply pipe leakage-proof device which comprises an installation assembly and a detection mechanism. The detection mechanism comprises a box body, a rod hole is formed in the top of the box body, a lifting rod is inserted into the rod hole, a rotating cap is fixedly connected to the top end of the lifting rod, an air hole is formed in the bottom end of the lifting rod, a threaded part is arranged on the lifting rod, and the threaded part is rotationally installed in a threaded sleeve; a mounting hole is formed in the bottom of the box body, a threaded sleeve is fixed in the mounting hole, a flow guide opening is formed in the threaded part, a pipe hole is formed in one side of the top of the box body, a sleeve is fixedly connected to an end opening of the pipe hole, a movable block is arranged in the sleeve, a round hole is formed in the sleeve, and a movable rod is inserted into the round hole in a penetrating mode; according to the utility model, whether the pipeline leaks gas can be detected, and when the pipeline leaks gas, the leakage can be found in time, so that the waste of resources is avoided, and meanwhile, the heat supply effect is ensured.

The invention provides efficient flame-retardant porous ceramic and a preparation method thereof, and relates to the technical field of inorganic non-metallic materials. The preparation method comprises the following steps: S1, mixing polydimethyl silicone oil with polydimethyl silicone rubber to obtain an organic precursor; s2, immersing the organic-inorganic hybrid fiber into a solution containing modified nano silicon dioxide to obtain a porous reinforcement; s3, ceramic fibers are added into a dispersion system, ceramic slurry is formed, and the dispersion system comprises a dispersing agent, a flame retardant and starch and silicon oxide fibers; dispersing the porous reinforcement into the ceramic slurry, adding the ceramic slurry into the organic precursor, and carrying out ultrasonic homogenization treatment to obtain mixed slurry; and S4, injecting the mixed slurry into a mold, carrying out vacuum filtration, drying to obtain a ceramic body, sintering the ceramic body in a high-temperature furnace, and naturally cooling to obtain the efficient flame-retardant porous ceramic. The preparation method can be used for preparing the porous ceramic with high strength, high porosity and high flame retardance.

The utility model provides a concrete anti-crack pressurizing device, which relates to the technical field of concrete pressurization and comprises a main body and a pressurizing plate, a motor is fixedly connected to the center of the rear side of the bottom of the body and connected with a power source through a circuit. Guide rods are symmetrically and fixedly connected to the left side and the right side of the bottom of the main body, and a bottom supporting plate is further installed on the main body. A pressure plate A is connected with an adjusting plate through a connecting bolt of the adjusting plate, so that hydraulic equipment on a pressurizing plate can pressurize concrete in a space formed by a side plate, a composition plate and a connecting plate, bubbles in the concrete are destroyed, the compactness in the concrete is improved, a linkage block on the pressure plate A can connect the pressure plate A with a pressure plate B, and the pressure plate A and the pressure plate B are connected through the linkage block. The pressurizing range of the device is controlled, and the problems that part of existing concrete manufacturing devices cannot pressurize concrete blocks, and the cracking possibility of the concrete blocks is reduced are solved.

The invention discloses a roughing machine for electrical element insulation porcelain bushing production, and relates to the technical field of insulation porcelain bushing production, the roughing machine comprises a support frame, the top of the support frame is fixedly connected with a conveying motor, the side edge of the conveying motor is fixedly connected with a reduction gearbox, and the right side of the top of the support frame is fixedly connected with an extrusion conveying device; the right end of the extrusion conveying device is fixedly connected with a mixing box, and the bottom of the mixing box is fixedly connected with a vacuum mixing assembly. According to the rough refining machine for producing the electrical element insulation porcelain bushing, the interior of the vacuum box is in a vacuum state through the vacuum pump, at the moment, air in pug is pumped away in the vacuum box, finally, the pug is mixed and extruded in the vacuum environment, the pug is prevented from sucking air in the air again in the mixing process, the tightness of the pug is effectively improved, and the pug is prevented from being damaged. The quality of the pug is improved, and meanwhile, the situation that the pug to be processed is exposed in the air for a long time to cause moisture loss and drying, and the mixing of the pug is influenced is avoided.

The invention discloses cable processing and coating equipment which comprises a base, an extrusion box, a containing cylinder and a vertical plate are arranged at the top of the base, a guide assembly is arranged on the side, opposite to a connecting cylinder, of a limiting cylinder, and an arc-shaped groove is spirally formed in the circumferential outer wall of the containing cylinder in the length direction of the containing cylinder; an air bag is symmetrically arranged in the containing cylinder, a connecting rod with a limiting head is arranged between the vertical plate and the arc-shaped groove, an electric cylinder is fixedly installed on the side, opposite to the containing cylinder, of the vertical plate, the air bag is communicated with the inflator pump through a hose, a piston plate is arranged in the inflator pump, and a piston rod is arranged in the piston plate. And a piston rod is arranged between the piston plate and the movable end of the electric rod. According to the cable processing and coating equipment, the contact area between the equipment and the surface of the cable is increased, the attaching tightness of an insulating layer and the outer wall of the cable is improved, the coating effect of the insulating layer on the outer wall of the cable is improved, the abrasion of the surface of the cable is reduced, and the product quality is improved.

The utility model relates to the technical field of cables, in particular to a bending-resistant cable, which comprises a sheath and a heat insulation layer, three leads are arranged in the sheath in a penetrating manner, a heat insulation layer is sleeved on the surface of the sheath, the heat insulation layer is a foamed polypropylene layer and positioned in the heat insulation layer, the heat insulation layer is a polyethylene layer, and the heat insulation layer is a polyethylene layer. The surface of the heat preservation layer is sleeved with a waterproof layer which is a polyvinyl chloride layer, and the waterproof layer is fixedly connected with the heat insulation layer. According to the utility model, since the foaming polypropylene material is internally provided with a large number of air cavities, heat exchange between the sheath and the outside can be reduced, the lead generates heat in the power transmission process, and the heat of the lead can heat the sheath by means of the thermal insulation layer, thereby preventing the sheath from hardening, improving the bending resistance of the cable, and prolonging the service life of the cable. And by arranging the heat insulation layer made of a polyethylene material, external low temperature can be further isolated, and the bending resistance of the cable is further improved.

The utility model discloses an anti-cracking rubber and plastic heat preservation pipe which comprises an air conditioner pipe, a rubber and plastic heat preservation pipe body is installed on the outer side of the air conditioner pipe, and the rubber and plastic heat preservation pipe body is composed of a first rubber and plastic heat preservation pipe and a second rubber and plastic heat preservation pipe. The rubber and plastic heat preservation pipe body is designed to be composed of the first rubber and plastic heat preservation pipe body and the second rubber and plastic heat preservation pipe body so that installation of the rubber and plastic heat preservation pipe body can be facilitated, meanwhile, the clamping groove and the clamping block are arranged at the bottom end of the first rubber and plastic heat preservation pipe body and the top end of the second rubber and plastic heat preservation pipe body respectively, and the contact area of the joint can be increased. By arranging the wrapping piece on the outer side of the first rubber and plastic heat preservation pipe, the joint of the first rubber and plastic heat preservation pipe and the second rubber and plastic heat preservation pipe can be wrapped and protected, and under the mutual cooperation of the adhesion layers, the connection tightness is improved, and the cracking phenomenon is prevented. The heat preservation performance and the anti-cracking performance of the rubber and plastic heat preservation pipe body can be further improved.

The utility model belongs to the technical field of track construction equipment, and particularly relates to a sleeper laying device for track construction, which comprises a vehicle body and traveling wheels symmetrically mounted at the bottom of the vehicle body, two groups of supporting blocks are fixed at the top of the vehicle body, rotating shafts are movably arranged in the supporting blocks, and a supporting plate is fixedly mounted at the top of the vehicle body. A square frame is fixedly installed on the supporting plate, a tamping block is arranged in the square frame in a penetrating mode, and a connecting frame is fixedly installed at the top of the tamping block. The sleeper laying device for track construction can conveniently knock and tamp laid sleepers through the installed tamping block, after the tamping block moves to the position above the sleepers, the driving motor works to drive the crankshaft to rotate, and when the crankshaft rotates, the tamping block can repeatedly move in the square frame, so that the sleeper laying device for track construction is convenient to use. And when the tamping block moves, the top of the laid sleeper can be tamped and knocked, so that the tightness of connection between the sleeper and a ballast bed is improved, and the practicability of the sleeper laying device for track construction is improved.

The utility model is suitable for the technical field of cut-off devices, and provides a cut-off device for water supply and drainage. The cut-off assembly comprises a baffle ring arranged in the pipeline, a middle plate is arranged on the baffle ring, cut-off plates are rotatably arranged on the two sides of the middle plate, a first rotating shaft is rotatably arranged on one side of the middle plate, the first rotating shaft is rotatably sleeved with a first sleeve shaft, two first sliding blocks are arranged on the first sleeve shaft, and push plates are arranged on the two sides of the first sleeve shaft; a second rotating shaft is rotationally arranged on one side of the first rotating shaft, a rope shaft wound with a plurality of connecting ropes is rotationally arranged in the middle of the second rotating shaft, the connecting ropes are connected with the two intercepting plates, the second rotating shaft is rotationally sleeved with a second sleeve shaft, the second sleeve shaft is provided with a second sliding block, and the second sliding block is provided with a fixing disc; end plates are arranged at the two ends of the rope shaft, and bolts are arranged on the end plates. Therefore, according to the utility model, not only can the intercepting function be realized, but also the flow adjusting function can be realized, and the intercepting plate can be fixed.

The utility model discloses a packaging and sealing base of a piezoresistive pressure sensor, which relates to the technical field of sealing bases of pressure sensors and comprises a sealing base. According to the packaging and sealing base of the piezoresistive pressure sensor, in the connecting process of a first plug and a second plug, the second plug is inserted into an air guide hole, so that the end part of the second plug is in contact with a positioning block, and the positioning block moves along the interior of a moving groove; meanwhile, a sliding block is driven to be compressed along the interior of a sliding groove, a supporting spring is driven to be compressed till a positioning block completely enters a moving groove, so that a second plug is connected with an air guide hole till a positioning groove corresponds to the positioning block, and the positioning block is inserted into the positioning groove under the elastic potential energy of the supporting spring; therefore, tightness between the first plug and the second plug is improved, and oil leakage of the second cavity is avoided.

The utility model discloses an anti-falling medical rubber examination glove which comprises a medical rubber glove body, and a tightening assembly and a second anti-slip strip are arranged on the inner wall of an opening of the medical rubber glove body. The tightening assembly comprises the first anti-slip strip fixed to the inner wall of an opening of the medical rubber glove body, a groove is formed in the inner side of the first anti-slip strip, a tightening strip is arranged on one side of the groove, and inverted teeth are arranged on the outer wall of the tightening strip. A threading box is arranged on the other side of the groove, a rotating shaft is rotationally connected into the threading box, the outer wall of the rotating shaft is sleeved with a torsion spring, one end of the torsion spring is supported on the inner wall of the threading box, a limiting piece is obliquely arranged on one side of the rotating shaft, and one end of the limiting piece is supported on the inverted teeth. The device can improve the tightness of the wrist when the medical rubber glove main body is worn, so that the phenomenon that the medical rubber glove main body falls off in the wearing process is avoided.

The invention discloses a railway digital signal cable, and relates to the technical field of cables, the railway digital signal cable comprises a cable body, and the outer surface of the cable body is provided with a protection assembly. When the protective assembly is used, the protective assembly is dragged to a position where the protective assembly needs to be installed, and then one end of the tightening belt is lifted upwards, so that the clamping column is separated from the elastic hole. When the cable is tightened, the tightening sleeve is pinched to wrap the outer surface of the cable body, then the tightening belt is tightened in the direction of the loop side of the hook-and-loop fastener to be tightly wound on the outer surface of the tightening sleeve, and the tightening belt is pressed to enable the clamping column to penetrate through the elastic hole to fix the tightened tightening belt. When the cable body is installed, the fixing clamp is sleeved on the protective sleeve, so that the protective sleeve is not in direct contact with the cable body, the cable body is protected, the cable body is prevented from being abraded by the clamp, the service life of the cable body is prolonged, and the stability of signal transmission is improved.

According to the high-strength steel wire rope, the ultra-high molecular weight polyethylene fiber is adopted as the center core, the three-time twisting and heat setting technology is combined, and the tension strength, the structural stability and the anti-fatigue capacity are improved. And the composite inner layer strand adopts a spiral wrapping and twisting structure of high-strength aramid fibers and steel wires, so that the tensile strength and the fatigue resistance are enhanced, and the abrasion and fracture risks are reduced. The outer-layer strands are provided with the limiting reinforcing ribs and the filling layers, friction is reduced, loosening is prevented, and durability and safety are improved. The outer protective layer is composed of the steel wire mesh, the corrosion-resistant layer and the wear-resistant layer, corrosion and abrasion are prevented, and the service life is prolonged. The invention further provides a preparation method of the high-strength steel wire rope, the method is simple and clear in operation process and high in applicability, the prepared high-strength steel wire rope is excellent in performance, higher in bearing capacity, higher in fatigue resistance, excellent in corrosion resistance and longer in service life, and the requirements for high strength and high durability are met.

The utility model discloses a heat exchanger leak detection device, which comprises a base and a detection mechanism, the detection mechanism is arranged on one side of the end part of the base, the middle part of the base is provided with a placing groove, a clamping mechanism and a lifting mechanism are arranged in the placing groove, and a heat exchanger is arranged on the lifting mechanism. Whether the heat exchanger leaks or not is judged by observing the air pressure at the inlet end and the outlet end of the heat exchanger, leakage detection can be conveniently and quickly carried out on the heat exchanger, and the working efficiency is improved.

The utility model relates to the technical field of curtain wall installation, discloses an installation structure of a tooth-shaped hanging piece insertion hole adjusting type curtain wall, and solves the problems that in the existing installation process, height adjustment is inconvenient, rapid positioning cannot be achieved, and the workload is increased. An installation structure of a tooth-shaped hanging piece inserting hole adjusting type curtain wall comprises a main keel and a hook, the main keel is connected with a fixing piece playing a supporting role through a bolt, the side edge of the fixing piece is fixedly connected with a connecting piece, the upper end face of the fixing piece is provided with a clamping groove playing a limiting role, the connecting piece is provided with a moving groove, and the moving groove is fixedly connected with the hook. According to the installation structure of the tooth-shaped hanging piece inserting hole adjusting type curtain wall, front-back fine adjustment can be carried out according to the actual situation, the hook can be rapidly and accurately positioned and fastened, the connection stability and the installation efficiency are improved, meanwhile, up-down adjustment can be carried out after installation is completed, the connection tightness between wall faces is improved, and potential safety hazards are reduced.

This utility model discloses a polyurethane foam dressing with a fixing function, relating to the field of foam dressing technology. It improves upon the problem of inconvenient fine-tuning of the position of the polyurethane foam dressing during use. The dressing includes two positioning plates, each with a sliding track at its top. By using the positioning plates, the foam dressing body can be initially positioned. The sliding track and slide plate allow for back-and-forth movement of the foam dressing body, enabling fine-tuning of its position. Through holes, limiting rods, limiting holes, and pull blocks provide a fixed limit to the slide plate, further fixing the foam dressing body after adjustment. This allows the foam dressing body to adhere precisely to the wound surface. This method allows for fine-tuning of the foam dressing body's position during adhesion, resulting in precise adhesion and ease of use.

The utility model relates to a photovoltaic panel quick positioning fixture in the field of mounting fixtures, which comprises a mounting positioning fixture body clamped on a mounting base surface corrugated strip, the lower end of the mounting positioning fixture body is fixedly connected with an inverted V-shaped clamping block, and the left end and the right end of the inverted V-shaped clamping block are symmetrically in threaded connection with threaded nails. The threaded nails extend into the mounting base surface corrugated strips, waterproof cushion layers are arranged between the threaded nails and the inverted-V-shaped clamping blocks, the front sides and the rear sides of the left ends and the right ends of the inverted-V-shaped clamping blocks are fixedly connected with side edge clamping vertical pieces, and self-sliding outer protection plates are connected between the two corresponding side edge clamping vertical pieces in a sliding mode. According to the scheme, after the threaded nail is installed, the self-sliding outer protection plate slides downwards, the position of the threaded nail is shielded, the phenomenon that water leaks at the position of the waterproof cushion layer due to direct sunlight and water vapor infiltration is avoided, and the safety of the photovoltaic panel body in the installation and use process is guaranteed.

The present invention relates to a composite welding sheet and a preparation method and application thereof. The composite welding sheet comprises a diamond-reinforced copper welding sheet, a first metal layer to a fifth metal layer sequentially arranged in a direction away from the surface of the diamond-reinforced copper welding sheet, a second metal layer and a fourth metal layer are copper layers, a third metal layer is a tin layer, and a fifth metal layer is a silver layer. The diamond-reinforced copper welding sheet is formed by mixing nano-scale copper powder, micron-scale doped modified diamond powder and titanium powder and then hot-pressing. The present invention performs doping modification on micron diamond, which can allow doped atoms to penetrate into the micron diamond lattice, improve the electrical conductivity, reduce the heating power of the welding layer, improve the thermal conductivity and thermal conductivity stability, and control the generated intermetallic compound to be the required Cu6Sn5 by controlling the thickness ratio of the second metal layer to the third metal layer and the thickness ratio of the fourth metal layer to the third metal layer, and prevent the generation of brittle Cu3Sn, thereby improving the mechanical strength and reliability of the metal-to-metal joint on the basis of achieving weldability.

The utility model provides a flue gas dust remover, which relates to the technical field of flue gas and comprises a welding fume purifier, rollers are arranged at the bottom end of the welding fume purifier, a metal hose is connected to the top end of the welding fume purifier, a fume suction hood is arranged at the top end of the metal hose, and a cooling component is mounted between the fume suction hood and the middle section of the metal hose. A lifting assembly is arranged at the middle section of the smoke suction hood; the lifting assembly comprises an electric telescopic rod, a connecting frame, a delivery frame, a bolt and a clamp, the electric telescopic rod is started to drive the smoke suction hood and the metal hose to ascend and descend on the welded object, smoke of the welded objects at different heights can be collected in a centralized mode, a user directly adjusts the metal hose, and the welding efficiency is improved. By designing the lifting assembly capable of automatically adjusting the height, not only is the service life of the metal hose prolonged, but also the working efficiency of smoke collection of a welder is improved.

The utility model relates to a kind of ejection water gap material anti-splashing structure, including sprue insert, the side wall of the sprue insert is provided with sprue, the top surface of the sprue insert is provided with insert through-hole, the inner side wall of the sprue insert is provided with sliding slot in insert through-hole, the insert through-hole is matched with sliding water gap insert, the side wall of the water gap insert is provided with the sliding hanging platform that slides in sliding slot, the top surface of the water gap insert is provided with the water gap groove that is communicated with sprue, the bottom end of the water gap insert is provided with the top rod of water gap insert sliding, by top rod water gap insert sliding, let the water gap of sprue be separated from product, while water gap material is also located in water gap groove, this increases the force area of water gap material, increase the tight force that water gap material is subjected to, let water gap material be in the water gap rebound of sprue and remain in water gap groove, will not splash, to facilitate the collection water gap material, while avoid water gap material splashing to mould and press mould.

The present invention discloses a multi-section supported bellows assembly for a high-voltage circuit breaker, comprising a shell, a first cover plate and a second cover plate are respectively installed on the top and bottom of the shell, a moving conductive rod and a static conductive rod are respectively installed inside the first cover plate and the second cover plate, a moving contact and a static contact are respectively installed on the ends of the moving conductive rod and the static conductive rod that are close to each other, a bellows assembly body is arranged on the outer wall of the moving conductive rod, a sleeve for isolating and protecting the moving contact and the static contact is arranged inside the shell, and an auxiliary driving mechanism for assisting in driving the moving contact to move up and down is arranged on the inner wall of the sleeve. In the invention, the original single-section bellows is changed into a combination of multiple-section bellows, and the multiple bellows bodies can better avoid the columnar instability state caused by the single-section bellows body due to pressure, and the overall axial total stiffness can also be adjusted by the axial stiffness of each bellows body.

The invention discloses a water-based impregnated fabric and a production process thereof. The water-based impregnated fabric is formed by weaving warp yarns and weft yarns, and the water-based impregnated fabric is subjected to impregnation, drying, sanding, machine cylinder scouring and shaping treatment; the warp yarns and the weft yarns comprise water-repellent yarns and water-soluble yarns, and the water-repellent yarns are made of fibers with smooth surfaces; impregnation slurry used in the impregnation treatment is aqueous impregnation slurry; the water-soluble yarns are dissolved off after being subjected to machine cylinder scouring treatment; pores exist among the yarns in the water-based impregnated fabric after the setting treatment. The water-based impregnated fabric has the advantages of being breathable and soft, the skin film of the fabric is not prone to cracking, and meanwhile the production process of the water-based impregnated fabric is environmentally friendly.

The utility model relates to the technical field of furniture fixing, and discloses a splicing fixing structure for solid wood furniture processing, which comprises a fixing structure body, a cross rod mounting positioning sleeve is movably sleeved outside the fixing structure body, and a sliding rail is fixedly connected to the inner side of the cross rod mounting positioning sleeve. And an auxiliary reinforcing sleeve is mounted on the side surface of the cross rod mounting positioning sleeve. According to the splicing and fixing structure for solid wood furniture processing, the number and the directions of cross rods needing to be installed of furniture are different, the corresponding number of cross rod installation positioning sleeves are installed at different positions outside the fixing structure body, and meanwhile the cross rods are controlled to be movably connected into the cross rod installation positioning sleeves in a sleeved mode; and meanwhile, the situation that the position outside the fixing structure body does not need to be limited by installing the position outside the transverse rod is avoided, the utilization rate of materials is increased, and meanwhile the problem that interference is caused by installing the positioning sleeve on the transverse rod which is not used is solved.

The utility model relates to a kind of installation structure of special-shaped nozzle, including water pipe and nozzle, water pipe and nozzle are connected by installation component, installation component includes connecting piece, gasket, baffle, pressure piece;Connecting piece inside surface is provided with thread, its water pipe surface is provided with thread, water pipe and connecting piece constitute screw thread connection, and connecting piece surface is equipped with opening, its nozzle passes through opening, baffle is set on the nozzle surface, gasket is also placed in connecting piece inside surface, gasket and baffle contact, pressure piece is also placed in water pipe, and the upper end surface of the water pipe is contacted with the periphery lower end surface of pressure piece.The utility model solves the problem that the existing nozzle and water pipe connection exist water leakage, nozzle is damaged due to thermal expansion and contraction, nozzle is not easy to take out due to rust between thread.

The utility model discloses an interlayer anti-crack bonding structure of an asphalt pavement, which belongs to the technical field of interlayer anti-crack bonding structures of pavements and comprises an upper asphalt layer, a lower asphalt layer and a roadbed, the upper asphalt layer is arranged at the top of the lower asphalt layer, and the lower asphalt layer is arranged at the top of the roadbed. Anti-cracking and anti-sticking structural members are arranged between the upper asphalt layer and the lower asphalt layer and between the lower asphalt layer and the roadbed, mounting grooves are formed in the bottom end surface of the upper asphalt layer, the top end surface of the lower asphalt layer and the top end surface of the roadbed, and the two anti-cracking and anti-sticking structural members are arranged in the two mounting grooves respectively. According to the utility model, the rubble layer has a permeability coefficient, when the asphalt upper layer and the asphalt lower layer are paved, asphalt permeates into rubbles, so that the firmness between the asphalt upper layer and the asphalt lower layer and between the asphalt lower layer and the roadbed can be improved, and the anti-cracking base cloth, the anti-cracking waterproof adhesive film and the polymer modified anti-cracking paste all have interlayer anti-cracking and cohesiveness; and the cohesiveness and crack resistance between the asphalt upper layer and the asphalt lower layer and between the asphalt lower layer and the roadbed can be further improved.