88results about How to "Make sure it doesn't leak" patented technology

The invention relates to a maintenance method for shield equipment and discloses a method for replacing a tail brush in a shield tunnel through liquid nitrogen freezing. The method comprises the following processing steps: 1, preparation of construction; 2, construction of freezing holes; 3, installation of a freezing system and a temperature measuring system; 4, construction of liquid nitrogen freezing; 5, construction of sealing maintenance of a shield tail; 6, construction of formation sealing of the freezing holes; 7, construction of forced thawing; and 8, construction of propulsion of shield recovery. According to the invention, stratum is frozen through a liquid nitrogen freezing method to form a frozen curtain, so that the defect of indeterminacy of a traditional grouting method for carrying out the treatment of stratum consolidation and water sealing to bearing pressure permeable stratum can be avoided; and the method has the advantages of high strength, good uniformity, good water-resisting property and the like.

The invention discloses a new method for plugging a dewatering well in a basement. The method comprises the following steps: inserting a sand-free concrete pipe into the ground for 30 meters; jacketing a steel pipe on the sand-free concrete pipe and placing a dewatering pump for draining in the steel pipe; arranging a water-stopping ring at the middle part outside the steel pipe, wherein the water-stopping ring is formed by a steel plate with a diameter of Phi 1000*4; uniformly welding short reinforcing steel bars along the inner wall of the steel pipe in the position at least 800mm away from the top in the steel pipe, thereby forming a bracket; pouring concrete at the periphery of the steel pipe so as to form a swirl well base plate, wherein a pouring height is parallel to the height of the steel pipe; taking the dewatering pump out of the steel pipe after the concrete reaches a certain strength; placing a circular steel plate to the position of the bracket formed by the short reinforcing steel bars, and plugging a pipe opening; polishing beveled edges on the periphery of the circular steel plate and tightly welding the beveled edges and the inner wall of the steel pipe; pouring concrete into the steel pipe, wherein the pouring height is at least 20mm away from the top of the pipe opening; and after solidifying the concrete, covering with the circular steel plate, polishing beveled edges on the periphery of the circular steel plate and tightly welding the beveled edges and the inner wall of the steel pipe, and then flatting and sealing the top with cement plaster. The new method provided by the invention is used for efficiently solving the problem of plugging the dewatering well in the basement.

The invention relates to a forming mold of a square single-wall corrugated pipe. A split type mold structure is adopted; a square hole 1a is milled on a mold body 1; a semicircular groove 1b is formed; then a processed inlaying ring 2 is pressed in the semicircular groove 1b of the mold body 1 by using a pressing block 3; and finally the shape of the square single-wall corrugated pipe is formed. Compared with the existing integral structure, the split type structure is simpler in processing technology and shorter in production period, and is suitable for batch production. A vacuum passage, a sealing device and an open type water pouring cooling passage are further arranged on the mold body 1, so that vacuum shaping and cooling of the square single-wall corrugated pipe are realized. The forming mold in such structure is good in vacuum shaping and quick in cooling speed; the produced square single-wall corrugated pipe is stable in each performance, good in exterior quality and low in energy consumption; and the production cost is saved.

The invention relates to a continuous casting method of concrete in the liquid storage structure, belonging to the on-site casting technique of construction wall, that continuously casting the wall plate and the bottom plate, to shorten the construction period. Said method comprises that: first, casting the bottom plate concrete, and bonding the bottom plate and wall plate steel bar, to complete the constructions of the moulds of wall plate and bottom plate; along the wall plate, casting concrete layered and segmented symmetry. The invention is characterized in that: the casting time difference of nearby two construction sections of nearby two construction layers is less than the coagulation solidifying time of used concrete.

The invention relates to a heavy-caliber reinforced concrete pipe pull-type opening alignment method. The method is characterized by including the following steps that a, a pipe installation longitudinal center line is formed on a reinforced concrete base plate (1) in a popping manner; b, a winch (2) is installed on the reinforced concrete base plate (1); c, a baffle (8) is installed at the crossing point of the pipe installation longitudinal center line formed in the popping manner and a transverse starting pint line of a first-section pipe (5); d, heel blocks (4) are symmetrically placed on the two sides of the pipe installation longitudinal center line formed in the popping manner; e, the first-section pipe (5) is hoisted by a crane to the concrete wedge-shaped heel blocks (4) to be in place; f, the pipe top elevation is rechecked; g, a second-section pipe (6) is hoisted to the concrete wedge-shaped heel blocks (4) to be in place; h, the step f is repeatedly executed; I, a steel wire rope (3) of the winch (2) penetrates the interior of the first-section pipe (5) and the interior of the second-section pipe (6); k, the step g to step j are repeatedly executed, and a next-section pipe is installed; and l, after pipe installation is completed, the winch (2) and the baffle (8) are dismounted, and a next work procedure is executed for construction. The heavy-caliber reinforced concrete pipe pull-type opening alignment method has the beneficial effects that pipe opening alignment is simple, and operation is easy and convenient.

The invention relates to a magnetometric split spatial tilting shaft waterpower self-control gate. The gate comprises a gate chamber composed of gate piers and a gate base plate which are poured into a whole. The gate piers are symmetrically arranged on the two sides of the gate base plate. The gate further comprises split gate bodies, spatial tilting shafts and a magnetometric device. The spatial tilting shafts are symmetrically arranged on the gate piers arranged on the two sides. An included angle alpha is formed between the spatial tilting shafts and the gate base plate, and an included angle beta is formed between the spatial tilting shafts and a vertical plane parallel to the upstream direction and the downstream direction. Upstream section gate pier planes and downstream section gate pier planes of the positions, where the spatial tilting shafts are installed, of the inner sides of the gate chamber are designed to be pinch planes. The split gate bodies are fixed to the spatial tilting shafts arranged on the gate piers on the two sides. The split gate bodies are provided with gate pier magnets and gate body magnets. The gate pier magnets and the gate body magnets are provided with the same magnetic pole. Each gate body magnet is arranged in the middle of the edge of the corresponding gate body. According to the magnetometric split spatial tilting shaft waterpower self-control gate, automatic opening and closing of the gate can be achieved without externally supplied power according to the upstream inflow condition; the gradual opening property of the gate is good; the purposes of water storage and water drainage are better achieved automatically.

The invention discloses a full-seal waterproof system of a concrete construction project, and belongs to the field of building waterproofing. The full-seal waterproof system comprises a fundamental face and a waterproof roll layer laid and pasted to the fundamental face in a sealed mode. Abnormal-shaped portions are arranged on the fundamental face. The connecting transition portions between the abnormal-shaped portions and the fundamental face are coated with sealing paste waterproof layers, and the sealing paste waterproof layers are in lap joint with the waterproof roll layer in a sealed and bonded mode. The chemical bonding reaction and the physical crosslinking effect can be carried out on the waterproof roll layer and cast-in-place concrete. Waterproof rolls are formed by combining multiple material layers, including a reaction pasting sealant layer, a macromoleculer isolating membrane layer and a fiber structure basic layer, with reactivity. The full-seal waterproof system pays attention to the large-area waterproof effect, and effective measures are taken for each weak waterproof joint for leaking stoppage; in addition, the raw materials of the waterproof rolls and the raw materials of sealing paste are compatible and coincident in property, the nature of the waterproof rolls and the nature of the sealing paste are close, seamless combining of the waterproof rolls and the sealing paste can be guaranteed, and the full-seal and all-dimensional waterproof effect and the waterproof effect of completely avoiding leaking can be achieved.

The invention discloses an induced crack structure of a frame bridge, which is an induced crack structure arranged in a frame bridge and used for improving stress cracks in concrete of a long box jacking frame and a water seepage phenomenon at joints of frame sections, and belongs to the technical field of jacking construction. The induced crack structure comprises an induced crack arranged in the frame bridge, a crack filling plate (7) is arranged in the induced crack, a plurality of steel shear pins (5) arranged along the length direction of a frame are arranged in side walls on both sides of the frame at the induced crack along the height direction of the frame at a certain interval, the steel shear pins (5) pass through the crack filling plate (7), and the outer side of a top plate of the induced joint, the outer sides of the side walls on both sides of the frame and the inner side of the frame are respectively provided with a waterproof layer. The induced crack structure disclosed by the invention is simple in structure, and can effectively improve a phenomenon that a concrete frame structure has more cracks under the influence of concrete stress, therefore, the accumulative jacking deviation generated by the multiple jacking of a multi-section frame is greatly reduced, and the project quality is improved, meanwhile, the construction period can be greatly shortened, and the construction cost can be reduced.

The invention discloses a sleep perfume bag for insomnia patients. The sleep perfume bag is prepared from the following raw materials in parts by weight of 8-12 parts of grassleaf sweetflag rhizomes,10-15 parts of dried orange peel, 8-12 parts of radix angelicae, 2-5 parts of borneol, 10-20 parts of caulis polygoni multiflori, 10-20 parts of lavender, 8-12 parts of rose flowers, 10-20 parts of argy wormwood leaves and 8-12 parts of mint. The perfume bag can act on human bodies by smelling, sucking and the like, has the efficacy of soothing liver, regulating qi, promoting blood circulation forremoving obstruction in collaterals, dissipating dampness, activating the spleen, quieting the heart and soothing the nerves, can relieve sleep disorders of the insomnia patients at different degrees, and is safe and effective. Traditional Chinese medicines in the perfume bag are crushed to 60-80 meshes, so that release of effective components is facilitated, and the drug property is developed. In addition, the traditional Chinese medicine powder is packed with a heat-sealed type filter bag, and a bag of the perfume bag is externally made from cotton-flax cloth, so that the sleep perfume bagis favorable for effective volatilization of smell, and can guarantee the powder from being leaked outwards.

The invention provides a waterproof and heat-insulation structure of a planting top plate. The waterproof and heat-insulation structure sequentially comprises a waterproof steel reinforced concrete top plate, a second cement mortar leveling layer, a common waterproof layer, a heat-insulation layer, a first cement mortar leveling layer, a root resistance coiled material waterproof layer, an isolation layer, a C20 fine stone concrete protection layer, a concave-convex water drainage plate or water storage plate, a filtering layer, planting soil and a vegetation layer from bottom to top, wherein the root resistance coiled material waterproof layer is a root resistance coiled material; and the common waterproof layer is one out of a high-grade composite D-type self-adhered waterproof coiled material with the thickness of not smaller than 2.0mm, a double-layered high density polyethylene laminated composite self-adhered waterproof coiled material with the thickness which is not smaller than 1.5mm and a composite macromolecular self-adhered waterproof coiled material with the thickness of smaller than 1.5mm. With the adoption of the structure provided by the invention, the waterproof effect is guaranteed and the service life is prolonged; the heat-insulation effect is good and water does not leak; and the construction period is greatly shortened and the structure is suitable for the growth of vegetation.

The invention discloses a household intelligent ultraviolet lamp. The household intelligent ultraviolet lamp is characterized in that rollers are arranged at the bottom of a base; a supporting post is arranged at the upper left end of the base; a transverse rod is arranged at the upper end of the supporting post; a lampshade is arranged at the tail end of the transverse rod; an ultraviolet lamp tube is arranged in the lampshade; a plurality of cooling strips are arranged on the outer side of the lampshade at equal intervals; a fan is arranged in the position, on the right side of the supporting post, of the base; parallel light reflection mirrors are arranged around the fan, and the inner side of each light reflection mirror is coated with a photocatalyst coating; a controller is arranged in the position, close to the supporting post, of the base, and the controller is provided with a signal receiver; and an infrared inductor is arranged on the front side of the base. The light reflection mirrors can gather ultraviolet light in the space defined by the light reflection mirrors, and human bodies are protected against irradiation of the ultraviolet light while the air sterilization efficiency can be effectively improved. The photocatalyst coatings can purify air. The fan can blow sterilized or purified air to the outside, so that air in a house circulates, and large-area sterilization or purification of indoor air is achieved. Thus, the air quality is greatly improved.

The invention provides cooking ware. The cooking ware comprises a plurality of steaming trays stacked in the vertical direction, wherein each steaming tray comprises an airtight tray bottom arranged at the bottom and a plurality of air inlets formed in the peripheral wall, the air inlets are used for introducing steam; a first connecting part is arranged at the upper edge of each steaming tray, and a second connecting part is arranged at the lower edge of the steaming tray; every two adjacent steaming trays are integrally stacked through the first connecting part and the second connecting partwhich are arranged oppositely. By forming the air inlets in each steaming tray, independent air supply of each steaming tray can be guaranteed, and the steaming trays are provided with the airtight tray bottoms as well as the first connecting parts and the second connecting parts capable of realizing mutual closed connection, so that the problem of taint of odor when different food is steamed bya steamer is solved.

The invention discloses a slurry filling device for a tunnel pipe. The slurry filling device comprises a slurry filling pipe of a tunnel and is characterized by further comprising a slurry pressing device and a connection device. The slurry pressing device is composed of a round connection pipe, a fixing member, a sealing ring and a hinge mechanism, wherein the round connection pipe is composed of two semi-round pipes, the sealing ring is arranged in the round connection pipe, one end of the round connection pipe is connected with the slurry filling pipe of the tunnel, the other end of the round connection pipe is connected with the connection device communicated with a slurry filling pump, and the fixing member for fastening the round connection pipe and the hinge mechanism for opening and closing the round connection pipe are connected onto the outer wall of the round connection pipe, and the fixing member and the hinge mechanism are oppositely arranged. The slurry filling device ensures that the slurry cannot be leaked during filling, simultaneously can achieve continuous and intermittent slurry filling, is good in slurry filling reinforcing effect, greatly reduces the cycling time of slurry filling operation, is high in working efficiency, simultaneously shortens the time for slurry filling of surrounding rocks, is easy and convenient to operate, does not need welding operation at site, performs binding reinforcing operation through iron wires manually, is low in labor intensity and easy to process and manufacture, can be utilized fully and repeatedly and saves materials.

The invention discloses an efficient maintenance operation method for equipment code scanning and quick inspection. The method comprises the following steps of establishing detailed files of drawings,parameters, wiring and line numbers of various control devices, a debugging method and the like, generating one-to-one two-dimensional codes from the detailed files of key devices, encrypting the two-dimensional codes, and pasting the established two-dimensional codes on corresponding devices. When the equipment has a fault, the maintenance technicians only need to use a mobile phone to scan thetwo-dimensional code and input the password, the technical key points and the control information of the equipment can be known in detail, the equipment is convenient to maintain, the time is saved, the equipment fault time is shortened, and the equipment operation efficiency is improved.

The invention discloses a solar insulation cup which comprises a cup body, a cup cover, a heating rod and a handle. A thin-film solar cell covers the surface of the cup body and is separated from the surface of the cup body through a vacuum layer. A storage battery is wrapped inside the cup cover, and the outer portion of the cup cover is connected with the heating rod and the handle. The solar insulation cup is simple to use, and is energy saving and environmentally friendly as solar energy is used to heat water and keep water warm.

The invention discloses a built-in type double mechanical seal structure of a plastic pump. The seal structure comprises a plastic impeller, moving rings, static rings, a pump cover and a static ring gland, wherein the impeller is a plastic impeller; a first moving ring is mounted on the back of the impeller; a first static ring matched with the first moving ring is arranged in the pump cover and connected with the static ring gland through a first spring; the first spring is static and is not contacted with media; the pump cover is connected with the static ring gland; a spring seat is fixed on a shaft on one side, far away from the static ring gland, of the impeller; and a second moving ring is arranged on the spring seat, and a second static ring matched with the second moving ring is arranged on the contacted surface of the second moving ring on the spring seat and the static ring gland. The built-in type double mechanical seal structure has the benefits as follows: the plastic pump adopts the double mechanical seal structure, so that the coolant pressure of the mechanical seal atmospheric side can be increased to be larger than the pressure of a mechanical seal cavity, and toxic, flammable and combustible media can be prevented from being leaked.

The invention discloses a profile window with excellent sealing performance. The profile window comprises a first lower frame, a first upper frame, first left edge sealing and first right edge sealing. First lower heat insulating strips are arranged on the rear face of the first lower frame, a second lower frame is arranged on the rear face of the first lower heat insulating strips, movable anglecodes are arranged in the second lower frame, a first lower track is arranged above the first lower frame, a drain hole is formed above the first lower track, second lower heat insulating strips are arranged behind the first lower track, a second lower track is arranged behind the second lower heat insulating strips, a glass fan is arranged above the second lower track, and a gauze plastic cover is arranged on one side of the glass fan. The profile window has the beneficial effects that four different profiles are spliced by adopting a splicing angle of 45 degrees, movable angle codes are usedfor assembling simultaneously, assembling clearances are reduced, multi-channel high-low strew at random ladder drainage is used simultaneously, phenomena such as indoors are flowed backward due to the fact that heavy rain is not drained in time are effectively avoided, and the waterproof sealing performance of the profile window is improved.

The invention discloses a device for cooling an electronic element by utilizing a bionic alveolar heat exchanger. The device is used for heat exchange of the electronic element, and comprises the bionic alveolar heat exchanger and cooling equipment, wherein the bionic alveolar heat exchanger is fixed on the electronic element through a heat conduction fixing piece, is used for absorbing heat generated by the electronic element or a micro-electronic element, and is internally provided with a power core used for providing a refrigerant with flowing power, a loop heat pipe refrigerant channel used for circulation of the refrigerant, and a cavity; the cooling equipment is connected with the cavity through a micro-channel; the refrigerant is arranged in the micro-channel; and the refrigerant isused for transferring the heat to the cooling equipment for heat exchange so as to dissipate heat.

The invention relates to a copper conductor welding machine and a welding technology thereof. A welding plier and an electric control system are included, and the copper conductor welding machine andthe welding technology are characterized in that the welding plier comprises a handle part, a jacket, a clamping part, an insulating sleeve, a carbon rod clamp and a sliding ring; the clamping part comprises front and back ratchet wheels, movable and fixed pressing rods, a pawl hinged to the side face of the movable pressing rod and matched with the ratchet wheels, a torsional spring assembly arranged on the side face of the movable pressing rod and used for driving the pawl and a barrel-shaped connector connected with the front end face of the front ratchet wheel; and the handle part comprises an insulating shell, an electric brush arranged in the insulating shell and matched with the sliding ring and an electric conduction connecting rod connected with the lower end face of the electricbrush, a cable is inserted into the bottom of the insulating shell, the end of the cable is connected with the electric conduction connecting rod, and the other end of the cable is connected with a direct-current output circuit of the electric control system. The copper conductor welding machine and the welding technology fundamentally solve the problems about cold solder and dry joint of an existing welding device, scaling powder does not need to be used, the welding effect is good, the mechanical strength is high, arc light and spark leakage can be avoided during welding, and the operation safety is obviously improved.

The invention discloses a low-pressure and low-noise steam drain water expander. The low-pressure and low-noise steam drain water expander comprises a barrel, wherein a steam exhausting pipe is arranged at the upper part of the barrel and a water discharging pipe is arranged at the bottom of the barrel; a water draining inlet pipe and a temperature reducing water pipe are arranged at the lower part of the barrel; and the temperature reducing water pipe and water spraying pipes are arranged between a steam exhausting opening and a drain water inlet pipe in the barrel. A filter screen is arranged at the inlet of the steam exhausting pipe; the temperature reducing water pipe is arranged along the axial direction of the barrel and is connected with the water spraying pipes; the plurality of layers of water spraying pipes are arranged in a staggered manner; narrow slits are formed in the two sides and the directions of the narrow slits are vertical to the axis of the barrel. According to the low-pressure and low-noise steam drain water expander, temperature reducing water can be in sufficient contact with steam generated by drain water expansion, and the steam temperature is rapidly reduced, so that the steam exhausting volume flow of the expander is reduced, and the working pressure and the steam exhausting noises are relatively low; meanwhile, more steam drained water is recycled. The low-pressure and low-noise steam drain water expander has a simple structure, low machining and manufacturing cost and good energy-saving and noise-reduction effect.