91results about How to "Easy on-site assembly" patented technology

The invention provides a multi-light position multi-dimensional tunnel lighting mode which is composed of a plurality of dimensional lighting components, which are respectively the low-light position reverse lighting component, the homodromous lighting component, the transverse lighting component and the high-light position reverse lighting component. All the lighting components are independent on lighting functions, light color scope, lighting direction and lighting space, and can be individually adjusted. Each component is provided with a special light source and a light which are installed at low position and independently run based on the task characteristics, and the special demands on pavement lighting, space lighting and tunnel lighting can be met. The efficiency can be maximized in each task, so that the total lighting can be comprehensively optimized. With the adoption of the multi-light position multi-dimensional tunnel lighting mode, the shortcomings of the traditional tunnel lighting mode can be overcome; the light source and the light which have different functions perform relevant functions, so that a series of problems of tunnel lighting can be effectively solved, and the lighting efficiency can be greatly improved. The multi-light position multi-dimensional tunnel lighting mode is independently applied and developed based on the property of the low power and high light efficiency light source; the lighting mode of traditional tunnel light is completely removed; and the mode of simply replacing HPS (High Pressure Sodium) and MH (Metal Halide) lights with the LED lights can be changed.

The invention discloses an anti-buckling steel plate seismic shear wall provided with stiffening ribs. The anti-buckling steel plate seismic shear wall comprises a steel plate wall, horizontal stiffening ribs, vertical stiffening ribs, steel columns and steel girders, wherein the steel plate wall is arranged in a frame formed by the steel columns and the steel girders, and the multiple horizontal stiffening ribs are uniformly fixed on two side wall surfaces of the steel plate wall at vertical intervals and horizontally welded on the steel plate wall; the multiple vertical stiffening ribs are fixed between the horizontal stiffening ribs at horizontal intervals and are vertically arranged, and upper ends and lower ends of the vertical stiffening ribs are welded with the horizontal stiffening ribs; a gap is reserved between each vertical stiffening rib and the steel plate wall. According to the anti-buckling steel plate seismic shear wall provided with the stiffening ribs, overall buckling and local buckling of the steel plate wall can be prevented, so that the steel plate wall can only yield, and the shear capacity and the severe earthquake energy dissipation performance of the steel plate wall are improved; the anti-buckling steel plate seismic shear wall is simple in structure and reasonable in stress, can bear horizontal force under the action of the earthquakes, and is convenient to construct and high in degree of industrialization.

The invention discloses a flexible direct-current power transmission converter valve tower based on voltage source converters. A vertical structure is adopted, and the whole flexible direct-current power transmission converter valve tower is supported on the ground. The valve tower comprises at least one valve layer, the valve layers are arrayed in the vertical direction and provided with independent water distribution pipelines, each valve layer comprises at least one valve section, the valve sections in each valve layer are arranged in a linear mode, each valve section comprises a plurality of flexible direct-current power transmission converters for completing voltage conversion, and all the converts in the valve tower are connected in series. The converter valve tower is compact in structure, good in electrical performance and mechanical performance, and good in running stability.

The invention relates to a rapid design and management method for spacecraft device installation fasteners. According to the requirements for the selection range of all kinds of spacecraft device installation standard fasteners, the selection range of the spacecraft device installation fasteners is determined, a spacecraft device installation standard fastener database is established, and the installation forms of the spacecraft device installation fasteners are summarized; according to the parameters including device installation apertures, the depths of mounting holes, the installation forms, the types of the fasteners and the thicknesses of mounting plates, an algorithm for basic parameters of the device installation fasteners is established, a fastener data sharing platform based on a three-dimensional light-weight model is established with mechanical interface information of a stand-alone device as a data foundation for automatic calculation of device fastener parameters, automatic matching of specifications, parametric design and automatic assembly of the three-dimensional light-weight model and visual inspection of fastener design results. As a result, the working efficiency of fastener design is improved, and the uniqueness and correctness of data are guaranteed.

The invention discloses a double-rectangular tube buckled assembled buckling-restrained bracing member and belongs to the field of structural engineering. The bracing member consists of a linear inner core member and a peripheral restraining member, wherein the linear inner core member adopts a low-yield point high-ductility flat steel plate and hard rubber is adhered to the surface of the surface of the linear inner core member; the peripheral restraining member is bound by two restrained square steel tubes with extended steel plate strips; the binding function is realized by performing high-strength bolted connection on the square steel tubes; and a high-strength bolt passes through bolt holes on the extended steel plate strips of the square steel tubes, a steel plate arranged between the square steel tubes and a plurality of rubber gaskets so as to connect the two square steel tubes into a whole. The thickness of the steel plate is greater than that of the linear inner core member, and by adjusting the thickness of the rubber gaskets, a gap of 1-2mm is kept between the surface of the peripheral restraining member and the surface of the linear inner core member under the pretightening force of the high-strength bolt. The gap is filled by the hard rubber adhered to the surface of the linear inner core member so as to meet the requirement of expanding under pressure on the linear inner core member.

The invention discloses a sectional type blade for a large wind driven power generator. The sectional type blade comprises a blade root and a blade tip connected with the blade root, wherein the blade root comprises a barrel body, a blade-shaped framework and a cover; the blade-shaped framework is arranged on the outer circumferential side of the barrel body and connected with the barrel body; and the cover is covered outside the blade-shaped framework and connected with the barrel body. Due to the structure, the sectional type blade has the advantages of convenience in manufacturing and conveying and low cost. The invention also discloses the large wind driven power generator which comprises the sectional type blade and has the same advantages. Two independent blade pitch variation control systems are adopted in the large wind driven power generator, so that the running reliability and the safety of the wind driven power generator are improved greatly due to the redundancy design.

The invention relates to a coupled modular fabricated steel structure building. The steel structure building is composed of an integrated room module units, coupled units and accessory units. All theunits are prefabricated in a factory and transported to a site for assembling, and moreover, connection in the site assembling process is all achieved by adopting bolts. The standard and modular integrated room module units are assembled by adopting the coupled units with the sizes easily adjusted, so that the building layout is more flexible, and meanwhile, the problems of structural member repetitive wasting, difficult connection, complex force transfer and the like caused by existing modular building stoplogs, parallel columns and double plates are solved. According to the coupled modular fabricated steel structure building provided by the invention, 70%-80% of the building workload can be completed in the factory, the building is a highly industrialized prefabricated fabricated building, the site assembling connection all adopts the bolts, site welding operation is avoided, the site operation period is greatly shortened, labor is saved, and water, air and noise pollution of site construction to the environment is reduced.

The invention discloses a portable emergency water treatment system applicable to a victim settlement point in a disaster area. The portable emergency water treatment system is provided with a portable draw-bar box; universal wheels are mounted at the bottom of the portable draw-bar box; a raw water tank, a domestic water tank, an ultrafiltration membrane purifier, an in-depth purifier, a reverse osmosis water purifier and a disinfection device are arranged in the draw-bar box; the raw water tank is connected with the ultrafiltration membrane purifier; the ultrafiltration membrane purifier is connected with the in-depth purifier; the in-depth purifier is connected with the reverse osmosis water purifier; the reverse osmosis water purifier is connected with the disinfection device; and the disinfection device is connected with the domestic water tank. The portable emergency water treatment system is applicable to treatment of a variety of water sources and water qualities and ensures that the water quality of drinking water in the victim settlement point reaches the standard; the water purification modules are separately mounted in the draw-bar box which is portable, so the portable emergency water treatment system can be brought to the disaster area in time; and the portable emergency water treatment system does not need addition of reagents, is applicable to treatment of a variety of water sources and water qualities, can ensure that the water quality of drinking water in the victim settlement point reaches the standard, is assembled and degugged on site and simple to operate and maintain, and has high reliability.

The invention provides an anti-galloping damping device for a transmission line. The device comprises a vacuum pipe, a pendant and a cross force transfer block, wherein movable magnetic steel is placed between upper magnetic steel and lower magnetic steel which are fixed in the inner cavity of the vacuum pipe made of a non-magnetic material; the upper magnetic pole and the lower magnetic pole of the movable magnetic steel are the same as the lower magnetic pole of the upper magnetic steel and the upper magnetic pole of the lower magnetic steel; the structure of the pendant is characterized inthat an arc riser is fixedly connected on an open-loop clamp; the structure of the cross force transfer block is characterized in that the lower end of the riser is fixedly connected with a transverse plate, a left baffle and a right baffle are fixedly connected on the transverse plate, and a horizontal shaft is fixed on the upper part of the riser; and the vacuum pipe is clamped in the open-loopclamp of the pendant, the pendant is hung on one end of the horizontal shaft through a hanging hole, and the other end of the horizontal shaft is used for fixing a lead wire or a conductor spacer. The device can prevent the lead wire from swinging left and right and moving up and down, and has the characteristics of simple structure and convenient use.

The invention discloses a light inner wall and steel beam connection structure with self-tapping screws. The connection structure comprises a steel beam, an L-shaped clamping set and the self-tapping screws. The L-shaped clamping set comprises a first L-shaped clamp and a second L-shaped clamp. One end of the long edge of the first L-shaped clamp is connected with the steel beam through one self-tapping screw, the other end of the long edge of the first L-shaped clamp and the long edge of the second L-shaped clamp are connected with the steel beam through the remaining self-tapping screws, and a space is formed between the short edge of the first L-shaped clamp and the short edge of the second L-shaped clamp and used for containing a light inner wall board. Construction is convenient and fast, on-site assembly is easy and convenient, wet construction and pollution are avoided, and constructing site positioning is accurate; the connection structure can be directly completed in a factory, on-site workloads are reduced, construction efficiency is greatly improved, and industrial production can be easily achieved; connection is firmer, a lower flange of the steel beam looks more attractive, and the light inner wall and steel beam connection structure is suitable installing light inner walls and body structures of a multi-rise and high-rise steel structure building and is wide in adaptability.

The invention belongs to the technical field of building technologies, and particularly discloses an assembly type light partition wall batten connecting device adopting double-dovetail connection. The connecting device comprises connecting grooves correspondingly formed in the edges of light partition plates and connecting pieces used for connecting the light partition plates together. The outer ends of the connecting grooves are open, the inner diameter of the connecting grooves is smaller than that of the inner ends of the connecting grooves, and therefore a dovetail-shaped structure with two pressing inclined faces is formed. The connecting pieces are sleeved with the connecting grooves in a matched mode and can press the pressing inclined faces, and the light partition plates are made to get close to each other. The operation difficulty is greatly lowered, installation can be basically completed by 1-2 persons, the construction difficulty coefficient is low, the construction time, the construction workload and the like can be greatly reduced, the construction efficiency is improved, and meanwhile secondary dismounting can be easily achieved.

The invention discloses a connecting structure of a steel structure column and a steel structure beam. The connecting structure comprises a second beam body, a connecting steel plate, first beam bodies and a column body, wherein the first beam bodies are installed on the two sides of the column body, and fixing steel plates are fixed to the sides, close to the column body, of the first beam bodies; the fixing steel plates are connected with the column body through first fixing bolts, and the column body is fixedly connected with the central positions of one sides of the fixing steel plates through fourth fixing bolts; carbon steel reinforced layers are arranged in the side walls of the second beam body, the first beam bodies and the column body, and rubber pressure resistance layers are arranged on the two sides of the carbon steel reinforced layers; and teflon corrosion resistance layers are coated on the outer sides of the second beam body, the first beam bodies and the column body.According to the connecting structure of the steel structure column and the steel structure beam, the column body, the first beam bodies, steel angles, the fixing steel plates, the first fixing bolts,third fixing bolts, and the fourth fixing bolts are installed to facilitate the fixed connection between the first beam bodes and the column body, and the tight connection is not prone to loosing.

A prefabricated high-voltage cable terminal is disclosed that includes shell, insulator, equal pressure cover and educing conductor, the insulator includes main insulator and additional insulator, the main insulator has a center hole, the educing conductor connects with the core of the cable, and the connective part is in the shield layer of high voltage, the root of main insulator has root electric stress control part, and the upper electric stress control part is mounted on the top of main insulator, the prefabricated whole structure consists of main insulator, outer insulator, high voltage shield layer, root electric stress control part and top electric stress control part. The invention strikes out the insulator and the electric stress control part as a whole, the combined part between the insulator and the cable noumenon is reduced greatly, and the assembling is very easy, and guarantees the mechanical intensity, and the capacity structure of the combined insulator or the stress wimble structure can improve the reliability, and it can control the distribution of electric potential equally.

The invention belongs to the field of building outdoor self-rescue escape, and relates to a single-climbing aluminum alloy folding outdoor escape ladder. A foldable inlet slow step pedal is hinged between an inlet wall-attached frame and the bottom of an inlet protective frame in an entry unit, a ladder unit comprises an upper ladder unit and the lower ladder unit, the upper ladder unit comprisesan upper ladder wall-attached frame and an upper ladder protective frame, the upper ladder wall-attached frame is fixedly installed with an upper folding ladder on the left or right side, a foldable ladder slow step pedal is hinged at the bottoms of the upper ladder wall-attached frame and the upper ladder protective frame, the lower ladder unit is fixedly installed on the upper ladder wall-attached frame and the upper ladder protective frame of the gap formed between the inlet slow step pedal and the ladder slow step pedal, the lower ladder unit comprises a lower ladder wall-attached frame installed with a lower folding ladder, and a stair protective net. The single-climbing aluminum alloy folding outdoor escape ladder solves the problems of complicated escape route setting of the existing outdoor escape ladder, poor anti-theft, inconvenient assembly and disassembly, and inability to achieve structure linkage trigger opening.

The invention relates to a full-open type hinge device for a cabinet. The full-open type hinge device comprises a frame positioning component and is characterized in that a main turnover positioning side is arranged at one end of the frame positioning component, and a linkage rotating shaft is arranged at the other end of the frame positioning component; meanwhile, a door plate connecting block is connected to the linkage rotating shaft, and an auxiliary turnover positioning side is distributed on the door plate connecting block; and linkage positioning components are distributed on the main turnover positioning side and the auxiliary turnover positioning side. Therefore, depending on an overlapping area and an auxiliary containing groove, 180-degree smooth opening of a door body is achieved. When the door body is closed, the overlapping area cannot appear, and tight combination of the door body and the cabinet is achieved. Through cooperation of clamping grooves and screws, proper adjustment can be carried out in the mounting period, and the better matching tightness degree is ensured. In addition, the design of reserved holes is adopted, daily using and maintenance are facilitated, and tedious whole dismounting is avoided. The full-open type hinge device is simple in structure, and manufacturing and field assembly are easy.

The invention relates to a connector for connecting an assembly type steel plate shearing wall and a steel beam. The connector for connecting the assembly type steel plate shearing wall and the steel beam is characterized by comprising a steel frame beam (1), a first double-fishplate connector (2), a second double-fishplate connector (3) and the steel plate shearing wall (4). The connector has the advantages of being high in connecting strength, more reliable in connection and the like.

The invention discloses a quick connection unit for a section steel frame and an internally filled light steel wall body and an assembly method thereof, and belongs to the field of connection structure of light steel and heavy steel. Thequick connection unit for the section steel frame and the internally filled light steel wall bodycomprises the steel frame and the light steel wall body. The lightsteel wall body is arranged in the steel frame, and a light steel keel of the light steel wall body is fixedly connected with the steel frame by steel clamping pieces. The steel clamping pieces are of different structures based on the type of the heavy steel in the steel frame and the position of the light steel wall body in the steel frame. The steel clamping pieces are provided with surroundingparts, and protruding lugs are arranged at two ends of each surrounding part. The steel clamping pieces of different types are used as connecting units, and according to the position of the light steel wall body in the steel frame and the cross section type of the steel frame, a suitable connecting unit is selected; the connection technology of the light steel wall body is simplified, the construction time is shortened, connection is firm and stable, the construction cost is low and good economic benefits are achieved.

The invention relates to a transient electromagnetic low-mutual-inductance foldable type coil which comprises a transmitting coil and a receiving coil. The transmitting coil and the receiving coil are respectively and fixedly arranged on a foldable bottom liner, the transmitting coil is placed on the periphery of the receiving coil, and a gap is reserved between the transmitting coil and the receiving coil. A plurality of straps are arranged on the two sides of the bottom liner, and the bottom liner is connected with combined type longitudinal supporting rods placed on the two sides of the transmitting coil through the straps. According to the transient electromagnetic low-mutual-inductance foldable type coil, on one hand, the transmitting coil and the receiving coil are fixed in the same plane through components such as rod sleeves, the gap is reserved between the transmitting coil and the receiving coil, mutual inductance caused by current changes in the two coils can be effectively reduced, and the signal to noise ratio is improved; on the other hand, by the aid of the foldability of the transmitting coil and the receiving coil, the occupied size of the coils in the manual carrying process can be decreased, the coils can be connected with an instrument conveniently, and great convenience is brought to usage of people.