44results about How to "Easy to update and replace" patented technology

The invention relates to a solar building integrated heating heat preservation ventilation curtain wall which is composed of a wall fireproof heat preservation board 1, a corner-type heat absorption curtain wall body 2, roller shutter vertical rails 3, shading heat insulation and preservation roller shutters 4, a curtain rolling machine, an outer heat insulation and preservation roller shutter cover 5, a heat insulation and preservation filling material 6 and a solar heating ventilation system 7. The corner-type heat absorption curtain wall body 2 can absorb solar energy directly through photo-thermal conversion and supply clean heating air to the indoor space through the solar heating ventilation system 7, and the heating purpose is achieved. Due to the fact that the corner-type heat absorption curtain wall body 2 is of a double-layer sealed structure composed of a corner-type panel and a corner-type heat absorption board and a double-layer cavity heat preservation layer is formed, the heat insulation and preservation performance of the wall is improved. The externally-arranged shading heat insulation and preservation roller shutters can block the sun, resist wind and preserve heat and indoor air conditioner energy consumption pressure is greatly reduced. The solar building integrated heating heat preservation ventilation curtain wall is simple in structure, convenient and quick to disassemble, assemble and repair, capable of being industrially produced, assembled on a site and reducing construction and operation maintenance cost, low in carbon, capable of saving energy, environmentally friendly and high in building quality.

The invention discloses a prefabricated assembled bridge deck plate dry joint connection structure and an implementation method and belongs to the field of bridge engineering. The prefabricated assembled bridge deck plate dry joint connection structure comprises prefabricated assembled type bridge deck plates, a top reserved pre-stressing hole channel, a top pre-stressing tendon, a top anchorage device, a top spacer, a bottom reserved pre-stressing hole channel, a bottom pre-stressing tendon, a bottom anchorage device, a bottom spacer and a water stop. The top pre-stressing tendon and the bottom pre-stressing tendon are stretched by mounting the spacers and the anchorage devices, so that top parts and bottom parts of the adjacent prefabricated bridge deck plates are connected together. Inaddition, the bottom reserved pre-stressing hole channel, the bottom pre-stressing tendon, the bottom anchorage device and the bottom spacer can be replaced with a bottom embedded part, a bottom steelplate and nuts; the bottom steel plate is fixed by mounting the nuts so as to reduce the workload for stretching the pre-stressing tendons. According to the prefabricated assembled bridge deck platedry joint connection structure and the implementation method disclosed by the invention, the design is simple, the cast-in-place concrete is not needed, the mounting is convenient and rapid, the construction of the full prefabricated bridge is implemented, and the structure has the characteristics of being repairable, and easy to replace and update.

The invention provides a cotton yarn textile yarn surface cleaning process. The cotton yarn textile yarn surface cleaning process involves a winding mechanism, a tension mechanism and a rotary grinding mechanism, wherein the rotary grinding mechanism is installed on the winding mechanism, the tension mechanism is located between the middle of the winding mechanism and the middle of the rotary grinding mechanism, and the tension mechanism is installed on the winding mechanism. According to the cotton yarn textile yarn surface cleaning process, the problems that in a weaving process, flyings arecaused due to the fact that fluff on the surface of yarn falls off, so that weaving of textile production, especially knitting production, is difficult to conduct smoothly, and the phenomenon that aproduct quality problem is caused are solved, in the knitting production, the yarn rubs with a looping machine part at a high speed in the knitting looping process, loose fibers on the surface of theyarn and the fluff on the surface of the yarn fall off to form the flyings, and the flyings stain moving parts of a machine, so that the movement of the parts such as knitting needles is influenced, and finally the parts are damaged and defective cloth is generated.

The invention is a method for public resource navigation, based on the computer system for public traffic resources databank, it designs data structure storage and searching data joint, the storing mode of data structure for point in databank is, the point data in the databank is mainly stored in two data tables, namely the point basic attributes table and information table of relative station, the attributes stored in the point basic information table has: point name, searching key word, point sketch map, type and other basic attributes; the joint is bonded with point data, and arranges with ordering joint, the ordering joint is made up of three parts: the number of this joint, the weight of the distance between the two joints from this joint to the next joint and the next joint; acquires all the relative information from the two data tables, and they are displayed on the web.

The invention relates to a first-class returning-water quality percolating and purifying device for a farmland. The first-class returning-water quality percolating and purifying device for the farmland structurally comprises a fixed support, percolating and purifying tanks, a water draining baffle plate, a nanometer purification net, water-blocking blocks, a nanometer composite material and a fixing bottom plate, wherein the fixed support is fixedly arranged on a farmland water draining port; three rows of grooves are correspondingly arranged on two sides of the support and are respectively apurification net installation groove, a baffle plate installation groove and a purification tank installation groove sequentially and correspondingly provided with the nanometer purification net, thewater draining baffle plate and the percolating and purifying tanks; during installation, the purification net installation groove is ensured to be installed on the farmland water draining inflow side; during an undrainage period of the farmland, the water draining baffle plate is inserted, and a water body pollutant near the water draining port can be degraded and removed through the nanometer purification net; during farmland drainage, the water draining baffle plate is taken down, and the water-blocking blocks are arranged in the purification tank installation groove according to a field water level requirement and are then overlapped and placed into the percolating and purifying tanks so as to form a column of percolating wall; the percolating and purifying tanks are open-type, so thatthe nanometer composite material can be conveniently updated and recovered.

The invention discloses environment-friendly pollution-free plastic waste crushing equipment which comprises a housing. The left upper portion of the housing is provided with a plastic inlet. The inclined portion of the left lower portion of the housing is provided with a first discharge outlet, and a storage tank is arranged below the first discharge outlet in a matched mode. The shell is internally divided into two parts, the left area is a preprocessing part and the right area is a crushing part. The lower end of the plastic inlet is connected with the preprocessing part, and the right end of the preprocessing part is connected with the left end of the crushing part through a scraper conveyor. The preprocessing part comprises a high-magnetic electromagnet device, a lifter, a soaking pool, a water inlet, a water outlet, a conveyor belt and a hammer grinder. The crushing part comprises a rotary crusher. The environment-friendly pollution-free plastic waste crushing equipment provided by the invention can crush plastics of different hardnesses, is wide in application range, simple in structure and compact in layout, and has the advantages of stable operation, low energy consumption, high plastic crushing efficiency, low machining cost and the like.

The invention discloses an LCD screen advertisement device assembled on a shopping trolley. The device comprises a shell with an LCD screen; both ends of the shell can be fixedly connected with push rods of a supermarket shopping trolley; the interior of the shell is provided with a speaker and a play control circuit structure which comprises a CPU control module, a data storage module, a data transmission module and a power supply module; and the CPU control module is connected with the LCD screen, used for processing and playing advertisements and respectively connected with the data storagemodule for storing advertisement data information, the data transmission module for providing a communication transmission interface and the power supply module for providing a power supply for the device. The advertisement device utilizes a propaganda platform of video image playing, can repeatedly play and periodically replace advertisement information while fully utilizing the mobility and thecustomer universality of shopping trolleys, and can attract supermarket consumers during selecting goods to pay attention to consumer information to the maximum extend, thereby widening the contact area with the consumers and the influence of the advertisements.

The invention discloses a reflection type homogenizing mirror for generating flat-top-like rectangular light spots and a homogenizing system, and belongs to the field of laser processing. The reflection type homogenizing mirror for generating flat-top-like rectangular light spots comprises a mirror body and a reflection mirror surface, the reflection mirror surface comprises a left rotating curved surface set and a right rotating curved surface set, the distance fw between the rotating curved surface sets and a working face, the vertical distances hl and hr between the rotating curved surface sets and respective rotating shafts, and the distances dl and dr between the left rotating shaft and the right rotating shaft and the central axis of the two rotating curved surface sets meet the relations shown in the following formulas, uniform-like light spots can be obtained in the uniform-like direction, D1 is the left half width of incident light on the reflecting mirror surface, and Dr is the right half width of the incident light on the reflecting mirror surface. The light spot edge in the quasi-uniform direction drops steeply, so that the virtual light influence caused by Gaussian distribution can be greatly reduced, the utilization rate of Gaussian beam edge energy is effectively improved, and the application range is wider. According to the device, a high-precision rotating lathe can be adopted for machining, an expensive high-precision free-form surface machining machine tool is not needed, and the machining cost can be reduced.

The invention discloses interactive electronic technical manual (IETM)-based online fault diagnosis equipment and an online fault diagnosis method. The equipment comprises five parts: an IETM content database, an IETM browser, an IETM fault diagnosis engine, an IETM log database and a test execution platform. According to the invention, an IETM is used as a core and a humanized interaction interface of the IETM is utilized to encapsulate a complicated fault diagnosis process, so that it is easy for a user to use and operate; the fault diagnosis engine and a test execution platform are integrated in the IETM, thereby substantially improving the fault diagnosis capability of the IETM; the equipment has a good modularity characteristic, so that it is easy to carry out updating and replacement of the fault diagnosis engine and the test execution platform; and the diagnosis method enables process information of the fault diagnosis and test data to be completely recorded, so that it is beneficial to analyze a fault cause after the fault occurrence. Moreover, the equipment with good portability can be applied to various equipment maintenance working sites; and the equipment enables maintenance personnel to be effectively guided to remove faults, thereby improving equipment maintenance working efficiency.

The invention discloses a glass paint film for a kitchen. The glass paint film is prepared from the raw materials in mass fraction: 280 to 300 parts of linseed oil modified alkyd resin, 40 to 50 parts of oil soluble resin, 40 to 50 parts of tung oil, 70 to 80 parts of polyprene, 1 to 2 parts of lead acetate, 0.5 to 1 part of dibutyl phthalate, 5 to 10 parts of turpentine oil and 2 to 5 parts of dimethylbenzene. Preferably, the mass fraction of the linseed oil modified alkyd resin is 300 parts, the mass fraction of the oil soluble resin is 50 parts, the mass fraction of the tung oil is 45 parts, the mass fraction of the polyprene is 75 parts, and the mass fraction of the dibutyl phthalate is 0.5 part. The glass paint film disclosed by the invention not only has oil resistance, but also can be torn down to be sprayed again; as the tung oil is added, the paint film is not in firm contact with glass; thus, the paint film is convenient to replace.

The present invention is a first-stage receding water quality percolation and purification device for farmland, the structure of which includes a fixed support, a percolation purification box, a drainage baffle, a nano purification net, a water blocking block, a nanocomposite material, and a fixed bottom plate; wherein, the fixed support It is fixedly installed at the drainage outlet of the farmland. There are three rows of grooves corresponding to the two sides of the bracket, which are respectively the purification net installation groove, the baffle installation groove and the purification box installation groove. The nano purification net, the drainage baffle and the percolation purification are installed in sequence When installing, ensure that the installation groove of the purification net is on the side of the farmland drainage and water supply; during the non-drainage period of the farmland, insert the drainage baffle, and the water body pollutants near the outlet can be degraded and removed by the nano purification net; when the farmland is draining, remove the drainage baffle According to the requirements of the field water level, a water-blocking block is installed in the installation tank of the purification box, and then several infiltration purification boxes are stacked to form a row of infiltration walls; the infiltration purification box is openable, which is convenient for the renewal of nano-composite materials Recycle.

The invention provides an integrated power advertisement supply rack. The integrated power advertisement supply rack comprises a rack rod, wherein a power line bracket is arranged on the top of the rack rod; a wide-width advertisement board is fixed on the upper part of the rack rod; the rack rod is a hollow rod and axially run through; an advertisement part is arranged at the lower part of the rack rod; at least one pasting surface is uniformly distributed on the advertisement part in a circumferential direction; air holes used for communicating the inner part and the outer part of the rack rod are uniformly distributed in each pasting surface. The supply rack is capable of simultaneously supporting power lines and the advertisement content; small advertisements can be extremely conveniently replaced on the lower part of the supply rack.

The invention discloses an integrated treatment method for industrial wood waste. The industrial wood waste is subjected to integrated crushing treatment through a wood waste treatment system. There is a first discharge port, and there is a storage box below the first discharge port; the interior of the shell is divided into two parts, the left area is the pretreatment part, and the right area is the crushing part; the lower end of the wood inlet is connected to the pretreatment part, The right end of the pretreatment part is connected to the left end of the crushing part through a scraper conveyor; the pretreatment part includes a high-magnetic electromagnet device, an elevator, a soaking tank, a water inlet, a water outlet, a conveyor belt, and a hammer mill; the crushing part includes a rotary crusher. The whole set of equipment has simple structure, compact layout, stable work, low energy consumption, high output, good quality of finished wood chips, and low processing cost.

The invention provides a testing device and method for permeability coefficient evolution of fractured rock mass. The device comprises a rock core holder, a water injection tank arranged above the rock core holder and a water storage tank arranged below the rock core holder, wherein a storage cavity for accommodating a clamped rock core sample is formed in the middle of the rock core holder; a water feeding port communicated with the storage cavity is formed in the lower part of the water injection tank; a water inlet communicated with the storage cavity is formed in the upper part of the water storage tank; a pressure rod extending into the water storage tank is arranged below the water storage tank and driven by a driving device to operate up and down so as to apply pressure to the rock core sample; a pressing pad layer is arranged on the inner surface of the storage cavity of the rock core holder; a pressing cavity is formed in the pressing pad layer and communicated with a hydraulic pipeline for hydraulic oil feeding; an oil pump is arranged on the hydraulic pipeline. According to the structure, the device is used for testing change characteristics of the permeability coefficient of the single-fracture rock mass in a deformation and failure evolution process under the shear-seepage coupled action, and the change characteristics of the whole process are obtained. Besides, in terms of maintenance of the testing device, the device can be repeatedly used, and parts can be convenient to mount, dismount and replace.