43results about How to "Reduce the difficulty of on-site installation" patented technology

The invention discloses a cyclone separator of a circulating fluidized bed boiler with double eccentric central cylinders. The cyclone separator comprises a separator cylinder body, a separator conical body and a separator vertical pipeline which are communicated in sequence from top to bottom, the side part of the separator cylinder body is communicated with an inlet flue; the connecting part between the bottom of the inlet flue and the separator cylinder body is sunken inwards to form a smoke tail end accelerating opening; the double eccentric central cylinders are inserted into the top of the separator cylinder body. According to the cyclone separator of the circulating fluidized bed boiler with the double eccentric central cylinders, the separating efficiency of the cyclone separator is improved; the material circulating manner is optimized; the material concentration in a furnace hearth is improved; the bed temperature of a dense phase area of the boiler is reduced; the emission concentration of SO2 and NOx is reduced; the environment friendliness and economy of operation of the circulating fluidized bed boiler are improved; the cyclone separator of the circulating fluidized bed boiler with the eccentric central cylinders is suitable for integrated modification of newly-built machine units and on-service machine units.

The invention relates to a rail vehicle window and a mounting method thereof. A simple integral window frame structure with stable strength is adopted, so that integral mounting and detaching processes of the window are simplified, and efficiency of field mounting operation is improved. The window comprises a window frame and glass mounted on the window frame. The window frame is made of sections, a section structure of the window frame is provided with inwards concave slots and outwards convex flanges, the inwards concave slots are arranged on the inner side of the window, and the outwards convex flanges are arranged on the outer side of the window; and rubber strips are inserted in the slots, and the glass is fixedly sandwiched between the rubber strips and the flanges. The glass is directly fixed by the sections on the periphery of the window, accordingly more mounting parts do not need to be assembled on a vehicle in advance, and mounting process is simple. Besides, the window frame of the window is made of the sections, the section structure of the window frame is used for fixedly clamping the glass, the structure of the window is also simple, and production and assembly processes are also simplified to the greatest degree.

The invention discloses a high-power large-diameter offshore wind generator unit tower frame platform. The high-power large-diameter offshore wind generator unit tower frame platform comprises an outer platform and an inner platform, wherein the outer platform comprises a lower support rod, an upper pull rod, a platform body and a guardrail; the platform body is fixedly connected with a tower cylinder by virtue of the lower support rod and the upper pull rod; an operation platform is arranged above the platform body; a cooling device is arranged between the platform body and the operation platform and is connected with a water cooling pipe which can be led to the inner part of the tower cylinder; the inner platform comprises a transformer platform, a control cabinet platform, a frequency converter platform and a climbing ladder; the transformer platform, the control cabinet platform and the frequency converter platform are designed to be of a three-layer structure; the transformer platform is provided with a transformer platform support which is fixedly connected with the tower cylinder; the transformer platform and the control cabinet platform are fixedly connected through stand columns; the control cabinet platform and the frequency converter platform are fixedly connected through stand columns; the climbing ladder penetrates through the transformer platform, the control cabinet platform and the frequency converter platform.

The invention discloses a light-weight decorative, thermal insulation and heat preservation integrated wallboard structure, and relates to the technical field of building wallboards. The wallboard structure comprises a high-performance concrete surface layer, a lightgage steel joist frame layer and an ALC plate; and the back of the lightgage steel joist frame layer is hung on a main body structure, and the upper end and the lower end of the overall wallboard structure are concrete flanges in a tongue-groove form. Two adjacent wallboard structures are clamped through the concrete flanges in thetongue-groove form, and a cavity seam is formed. One end of the lightgage steel joist frame layer of the wallboard structure is fixedly provided with a sleeve connection piece through bolts, and theother end is fixedly provided with a U-shaped steel adapter piece through bolts. The lightgage steel joist frame layer of the wallboard structure is filled with fireproof heat preservation cotton. According to the light-weight decorative, thermal insulation and heat preservation integrated wallboard structure, the waterproof performance of the board is ensured, meanwhile, outer side water is stopped from entering the board by outer side weather-proof sealant, and thus, the waterproof performance of the outer wall is greatly improved; and the onsite installing difficulty is greatly lowered, theinstalling efficiency is improved, the installing period is shortened, and the installing cost is reduced.

A self-cleaning enhanced heat transfer device inside a tube comprises multiple rotary members (2) mounted inside a heat transfer tube (1). A fixing frame (3) is mounted at each end of the heat transfer tube (1). A supporting shaft (4) passes through the heat transfer tube (1) and the two ends of the supporting shaft (4) are fixed at the fixing frames (3). The rotary members (2) are pivotally mounted at the supporting shaft (4). A limiting member (5) is mounted between at least a pair of adjacent rotary members (2) for separating the ends of the adjacent rotary members (2).

The invention discloses a BIM-based rockery modular construction method and device and a storage medium, and the method comprises the steps: building a rockery comprehensive BIM model, carrying out the modular splitting of the rockery comprehensive BIM model to obtain a plurality of region modules, marking the region modules, and carrying out the rechecking and optimization of the primary and secondary structures of the rockery comprehensive BIM model, generating a two-dimensional code of each region module of the primary and secondary structures of the rockery according to an optimization result, performing dynamic construction simulation on the comprehensive BIM model of the rockery by utilizing the two-dimensional codes to generate a dynamic construction model, and sending the two-dimensional codes of the primary and secondary structures of the rockery to a factory to be processed into rockery modules; and completing field installation of the rockery module by utilizing the two-dimensional code information and the dynamic construction model. According to the method, the rockery components are modularly disassembled through the BIM technology, the field installation difficulty isreduced, the technical support is provided for field rockery assembly through the two-dimensional codes, the high-altitude operation is reduced, meanwhile, all professional construction procedures can be reasonably arranged through animation simulation, and the efficiency is higher.

The invention discloses an embedded cross-shaped circular tube davit node member and a manufacturing method thereof, an L-shaped wing web plate structure is formed by assembling a web plate on one side of a slotted wing plate, then an I-shaped member is welded on the L-shaped wing web plate structure, and a vertical stiffening plate of the I-shaped member penetrates through a slot; a web plate on the other side and two stiffening plates parallel to the wing plate with the groove are assembled; the method comprises the following steps: welding a variable cross-section bracket on one side, subsequently welding a wing plate on the other side, completing the welding of a box-shaped column body, then sequentially welding the variable cross-section bracket, the box-shaped bracket and an embedded cross-shaped circular tube on the box-shaped column body, finally welding a floor bearing plate, a lifting lug plate, a connecting lug plate and the like, and carrying out component integrity acceptance after all parts are welded. The structure is simple, assembling is convenient, and welding is convenient; and through integral rigid connection of the embedded cross-shaped round pipe and the box type, the problem that the connection strength and rigidity are not high enough due to node conversion is solved, and the node connection strength and rigidity of the conversion layer are improved.

The invention discloses a three-phase novel electric meter box, comprising a connecting copper bar, a main body board, an incoming line insulating cover, an outgoing line insulating cover, a plugged copper piece, a mounting guide rail, an electric meter terminal, a box body, a 3C authentication label, an observation window, a first door lock, a second door lock, a nameplate, a door grounding wire,a meter rear switch operation door, a certificate of quality and a main loop label, wherein the electric meter box adopts a standardized design, and the circuits in all meter boxes with the same specification are uniformly fixed; the security of installation operation with non-exposure installation guarantee is implemented on the whole; the onsite installation difficulty is improved, and the installation efficiency is improved; the standardized design is adopted, volume production can be achieved, intelligent manufacturing is realized, and the production efficiency is improved; the traditional wire processing and wiring mode is replaced by copper bar prefabrication; the short circuit risk of the circuit is eliminated via the copper bar prefabrication; and the standardized design and prefabricated production are adopted, so that the production and maintenance are convenient, and thus the intelligent manufacturing can be achieved.

The invention discloses an energy-saving freight elevator traction system. The traction ratio of the traction system is 4: 1, and the traction system comprises a traction rack, a traction machine, a counterweight frame and a traction rope; and the traction rack comprises a bearing beam and a main machine frame installed on the bearing beam. The main machine frame comprises a first frame, a second frame, a third frame and a fourth frame which are sequentially connected end to end, the traction machine is installed on the first frame and connected with a traction sheave, a counterweight guide wheel is arranged on the second frame, the axis of the counterweight guide wheel is perpendicular to the axis of the traction sheave, and a counterweight rope hitch plate is arranged on the third frame. A counterweight diversion sheave assembly is installed in the middle of an upper beam of the counterweight frame and comprises two counterweight diversion sheaves which are coaxial, the axes of the counterweight diversion sheaves are parallel to the horizontal center line of the counterweight frame, and the axes of the counterweight diversion sheaves are parallel to the axis of the traction sheave. According to the energy-saving type freight elevator traction system, the length size of the counterweight frame is effectively reduced, and therefore the requirement for the depth of a hoistway is lowered.

The modularized aluminum alloy lift car comprises four car walls and four stand columns, each stand column comprises a hollow main pipe, each hollow main pipe comprises two connecting faces perpendicular to each other, each connecting face is connected with a side inserting-connecting piece, and a side inserting-connecting groove is formed in the side, away from the corresponding hollow main pipe, of each side inserting-connecting piece; the two sides of the car wall are in insertion fit with the side insertion grooves of the corresponding side insertion pieces correspondingly. The four car walls comprise two side car walls, a rear car wall and a front car wall, a handrail mounting plate is arranged in the vertical middle position of the rear car wall, a handrail mounting opening is reserved in the handrail mounting plate, a first light bar groove is formed in the top wall of the handrail mounting opening, and a first light bar is arranged in the first light bar groove. According to the modularized aluminum alloy lift car, the structure is reasonable, the field installation difficulty can be effectively reduced, the installation efficiency can be improved, and the overall appearance of the lift car is attractive; and in addition, the handrail mounting opening is reserved, so that convenience is provided for subsequent handrail mounting.

The invention discloses a radiating air-conditioner terminal converting energy asymmetrically. The terminal comprises a heat insulating layer, an energy conversion layer and a heat damping layer whichare arranged sequentially. Heat resistance of the heat insulating layer is larger than that of the heat damping layer. The energy conversion layer comprises a first main pipe, a second main pipe andmultiple branch pipes. The multiple branch pipes are arranged in parallel to form a branch pipe array.The first main pipe and the second main pipe are parallel. The first main pipe and the second mainpipe are fixed to the two ends of the branch pipe array correspondingly. The first main pipe and the second main pipe communicate with the branch pipe array. According to the radiating air-conditioner terminal preventing condensation, radiation efficiency is improved, radiation heat is more uniform, condensation is prevented, the temperature difference between the energy conversion layer and theradiation face is larger, heat loss and waste are reduced, and more energy is saved. The terminal is convenient to install and transport, and the site installing difficulty is reduced. The terminal can be applied to different building scenes such as ceilings, wall faces or grounds, and limitation to use occasions is avoided.

The invention discloses a metal plate curtain wall and relates to the technical field architectural engineering. The metal plate curtain wall comprises stand columns, a cross beam and metal plates. The stand columns are fixed to a building embedded piece. The cross beam is fixed to the stand columns. The front face of each stand column is provided with a first groove and a second groove, wherein the directions of the openings of the first grooves and the openings of the second grooves are identical. Each metal plate is provided with a first reinforcing rib and a second reinforcing rib. The first reinforcing rib of each metal plate is inserted into the first groove of the corresponding stand column. The second reinforcing rib of each metal plate is inserted into the second groove of the stand column adjacent to the metal plate, and therefore the metal plate can slide in the horizontal direction. The edges of the metal plates are fixed to the cross beam through screws, so that the metal plates are fixed in the horizontal direction. In a later period, if one metal plate is damaged, the screws are removed, and then the metal plate can be removed; in this way, later-period replacement and maintenance are facilitated.

The invention discloses a stereo garage and a lifting system thereof, and belongs to the technical field of garages. The lifting system comprises a rope take-up and pay-off mechanism and four liftingropes connected with four lifting points of a lifting frame, wherein the rope take-up and pay-off mechanism is installed at the lower part of a main body frame, one ends of the four lifting ropes areconnected with the rope take-up and pay-off mechanism, the other ends of the lifting ropes extend upwards, the two of the lifting ropes are fixed to the two lifting points on the rear side of the lifting frame after bypassing a first duplex steering pulley block, a corresponding first horizontal steering fixed pulley and a corresponding third steering fixed pulley correspondingly, and the other two lifting ropes are fixed on the two lifting points on the front side of the lifting frame after bypassing a corresponding first steering fixed pulley and a corresponding second steering fixed pulleycorrespondingly. The stereo garage comprises the lifting system of the stereo garage. The stereo garage and the lifting system thereof are reasonable in structure, improve the transmission efficiency,and prolong the service life of the pulleys and the lifting ropes.

The invention discloses a vertical electrode hot water boiler device. The device is characterized in that a three-petal-shaped opening is formed in the middle of an insulation shell and serves as a water guide opening, and the insulation shell is provided with three heating spaces with the inner sides communicated; three electrode plates are bent rectangular plates and are used for being attached to the inner side wall of an electrode supporting plate; a movable shield central pipe is connected with three shield plates which are in a rectangular plate shape, form an included angle of 120 degrees and are used for isolating the electrode plates; and the upper end of a lead screw which penetrates through a nut coaxially arranged with the central pipe and is in threaded fit with the nut penetrates out of a large tank and is connected with a stepping motor. The problem that the electrode structure is unstable is solved through a new structural form, and a zero electrode is omitted; by optimizing the electrode design, the total height of equipment is reduced, the size is reduced, and the applicability of the equipment is improved; the problem of electrification of a tank body is solved, the safety of the equipment is improved, and the equipment cost is reduced; the installation difficulty of internal parts is reduced, the installation cost is saved, and the quality assurance capability is improved; and by optimizing the sealing structure, the sealing reliability is improved.