43results about How to "Structural and reliable" patented technology

The invention relates to a high-power LED energy-saving bulb, which comprises an LED light source, a circuit board, a radiator, an LED driving device, a connector for connecting with an interface of an illumination lamp, and a reflecting cup base, wherein the upper part of the reflecting cup base is provided with a flat-bottomed bowl cup which is provided with a reflecting layer, the connector is provided with a cavity, the LED driving device is fixed in the cavity, the radiator is a metal radiator provided with a vertical radiating fin, the upper part of the connector is fixedly connected with the lower part of the radiator, the lower part of the reflecting cup base is fixedly connected with the upper part of the radiator, the LED light source is fixed on the circuit board, the circuit board is fixed on the flat-bottomed bowl cup, a bulb cover is fixed on the flat-bottomed bowl cup, and the vertical radiating fin is provided with at least one radiating rib groove. The high-power LED energy-saving bulb has the advantages of higher light efficiency, better radiating effect, lower cost, and more reliable structural performance, and is more suitable for mass production and widespread use.

The invention discloses a combined steel pile cofferdam provided with a water swellable waterproof rubber fore shaft, which comprises cofferdam pegs and cofferdam long piles used for connecting two adjacent cofferdam pegs. Each cofferdam peg comprises a U-shaped steel sheet pile and a fore shaft sub-part, and the left and right ends of each U-shaped steel sheet pile are respectively and fixedly connected with one fore shaft sub-part. Each cofferdam long pile comprises a steel pipe pile, a fore shaft parent part arranged at the outer side of the steel pipe pile, and a water swellable rubber liner arranged in the fore shaft parent part; a tubular inner cylinder matched with each fore shaft sub-part and a notch connecting the interior of each tubular inner cylinder with the exterior of each tubular inner cylinder are arranged on the fore shaft parent part; each water swellable rubber liner is fixedly arranged on the inner wall of the corresponding tubular inner cylinder; each fore shaft sub-part is sleeved into the corresponding tubular inner cylinder; and bentonite compound filler is filled in a gap between each fore shaft sub-part and each water swellable rubber liner. By taking the combination of a rigid steel pile and a flexible steel pile to have complementary advantages, the combined steel pile cofferdam has good water resistance; the fore shaft is reliable in connection; the material of the combined steel pile cofferdam is easy to obtain; and the combined steel pile cofferdam is strong in integral structural rigidity and low in cost and is quick to construct.

The invention discloses a pre-stressing reinforced and widened bridge structure, which comprises an old bridge, a widening beam I and a widening beam II, wherein the widening beam I and the widening beam II are parallelly and respectively positioned on the two sides of the old bridge and are rigidly connected in the transverse direction with the old bridge; the two ends of a pre-stressing rope or a pre-stressing rib are transversely and respectively arranged outward and are upwards inclined, extended and anchored on the widening beam I and the widening beam II; and the pre-stressing rope or the pre-stressing rib is acted on the old bridge through a steering device. While being widened, the old bridge can be reinforced by the structure, the stress between the newly added part and the old bridge is balanced, the occurrence and the development of defects of the old bridge can be effectively inhibited, the structure and the construction of the bridge are relatively simple, the structure of the old bridge is not damaged, the structural performance is reliable after the old bridge is widened and reinforced, the construction period is relatively short, the influence on road traffic is relatively small, the damage to natural environment and the adverse influence on society when the old bridge is demolished are avoided, and very good comprehensive technical, economic and social benefits are achieved.

The invention discloses a joint of a cable support pentagonal and hexagonal grid single-layer reticulated shell and an installation and construction method for the single-layer reticulated shell. The joint comprises a bottom plate, a cover plate, a middle circular tube and an internal Y-shaped stiffening rib. The internal Y-shaped stiffening rib is adopted when necessary, and the cover plate is formed by cutting a circular plate and welded to the middle circular tube. Circular holes are formed in the corresponding positions where the middle circular tube is connected with inhaul cable so that inhaul cable ends with threads can penetrate into the joint from outside to inside, the inhaul cables are screwed up through nuts inside the joint, and prestressing force is applied to the inhaul cables. The installation and construction method for the single-layer reticulated shell constructed on the basis of the joint is carried out according to the following steps that components, rod pieces and the inhaul cables of a joint body are machined and manufactured in a factory firstly, then the joint body and the machined reticulated shell rod pieces are constructed and installed, the inhaul cables are installed, the nuts are tightened up, prestressing force is applied to the inhaul cables, and finally the cover plate and the middle circular tube are welded together. The joint of the form has the advantages of being reasonable in stress, simple in structure, convenient to machine, construct and install and the like.

The invention discloses an automatic welding and tape adhering integral machine for a car plate. The machine comprises a rack, and an indexable assembling workbench arranged on the rack; a rotating plate connected with a stepping rotating mechanism is arranged on the workbench; a first station for feeding material, a second station for welding, a third station for coating a first coat, a fourth station for drying, a fifth station for adhering a tape, and a sixth station for adhering a protecting film and discharging finished products are sequentially arranged on the rotating plate; a positioning base for positioning the plate is arranged on each station, corresponding to the workbench; each station is controlled by a controller. The machine is simple in structural design, convenient to manufacture, and small in cost; the production efficiency and product quality are greatly increased; the market demand is adapted; the practicability is high; in addition, the unnecessary transfer is reduced, and thus the product can be prevented from being scratched due to transfer.

The invention discloses a roof with rectangular plane, super-long span and prestressed space tube truss structure and a manufacturing method. In the invention, the structures of the conventional shuttle shape space tube trusses are taken as the basic frames; support bars for supporting steel cables are respectively fixed at the two ends of each shuttle shape space tube truss; the structure height in the center of each shuttle shape space tube truss is set to be 1/18-1/16 of the span length of the shuttle shape space tube truss; two steel cable turning supports are symmetrically fixed on the shuttle shape space tube truss, close to a lower chord of the shuttle shape space tube truss; the steel cables are respectively supported on the two support bars after passing through the two steel cable turning supports, so that the steel cables between the support bars and the steel cable turning supports are formed into oblique-pulling steel cables and prestressed steel cables with tension, thus ensuring the two steel cable turning support points to generate two elastic reacting forces which act down and up and are opposite to the load action directions so as to compensate insufficient rigidity caused by reduction of the structure height. The invention is suitable for the roof with the ratio of building long side to short side (L1/L2) being not less than1.5 and span length L2 being not less than 90m and not more than 150m. The invention has the characteristics of low structure height, smaller internal force, less steel consumption, low engineering cost, etc.

The invention discloses a clutch device, an air conditioner indoor unit and a fan assembly. The clutch device comprises a first matching part, a second matching part, a moving part, a guide part anda driving part, wherein the moving part is connected with one of the first matching part and the second matching part to drive the moving part to move relative to the other one of the first matching part and the second matching part, the guide part is movably connected with the moving part to limit the moving path of the moving part, the rotating part is matched with the moving part to drive the moving part to move along the moving path, the driving part is connected with the rotating part and is used for driving the rotating part to rotate, the clutch device is in an engaged state, the firstmatching part is matched with the second matching part, and the first matching part and the second matching part are separated under the separation state of the clutch device. According to the clutchdevice disclosed by the embodiment, the structure is simple, the matching is simple and convenient, the automation degree is high, the structural performance is more reliable, the manufacturing process is simplified, the manufacturing cost is reduced, and the market competitiveness is improved.

The invention discloses a beam-string-structured double-curved arched roof board beam structure. A concrete double-curved arch plate is used as an upper chord of a compression area of an arched beam string structure, a broken-line-shaped steel wire dragline of the arched beam string structure is used as a lower chord of the compression area of the roof boarding double-curved arch plate, the arched beam string structure and the roof board double-curved arch plate are combined for usage, have complementary advantages and work together in a cooperative mode. The arched beam string structure is hoisted to a roof of a factory building with a single story, pressure type steal plate micro-bending arch waves are paved between arch ribs, the concrete arch plate is poured on site, and a construction technology of breaking up a whole into parts fully embodies the advantages of industrialized prefabrication assembly. The novel roof board beam structure has the advantages of high bearing capacity, high span capacity, good structure stability, unification of the plate and the beam structure, good waterproof property, fast construction, low cost and the like, and is used for super-large span factory building roof board beam structures of 40-90 meters.

The invention discloses a concentrating photovoltaic solar device. The concentrating photovoltaic solar device comprises a reflecting mirror structure (2), a photovoltaic cell device (6), a radiator (11) and a cover lens (5), wherein the reflecting mirror structure (2) comprises a reflecting mirror (3); the photovoltaic cell device (6) is respectively arranged on the special position of the reflecting mirror structure (2) for directly receiving light rays converged by the corresponding reflecting mirror (3); the arranged position of the radiator (11) does not affect a reflecting light path, and is close to or partly superposed with the reflecting mirror structure (2); the cover lens (5) is arranged in front of the reflecting mirror structure (2), wherein the reflecting mirror structure (2) and the cover lens (5) form a closed space; and the photovoltaic cell device (6) is arranged in the closed space. The concentrating photovoltaic solar device has reliable performance, is high in strength, low in cost and long in service life, and can be installed in the form of an array, and can be applied in a large-scale manner.

The invention provides an inverted light-emitting diode (LED) chip structure and a manufacturing method thereof. According to the method, laser surface shallow cutting is adopted to form a shear mark; and the surface of the shear mark is treated by inductively-coupled plasma (ICP) etching treatment or other treatment methods, so as to obtain an isolation groove which has the same functions as that in the prior art. The isolation groove is covered with an insulating protection layer; and intact and effective barrier protection can be formed on an epitaxial layer of a fracture surface on the side wall of a chip after cutting separation, so that the conditions such as electricity leakage and bad circuit in the chip inverting process are avoided. Compared with the means in the prior art, the structure property is reliable; and the technological means are simple and easy to implement.

The invention discloses a method and structure for reinforcing original plant concrete corbels. When the concrete corbel of an original plant concrete column is reinforced, a steel corbel is firstly manufactured below the concrete corbel on the concrete column, and then, a short concrete column for supporting the concrete corbel is poured on the steel corbel. In the invention, by additionally arranging one steel corbel on the basis of the original concrete column and pouring the short column for supporting the concrete corbel on the steel corbel, the bearing capacity of the original concrete corbel can be effectively reinforced on the basis of not occupying plant ground and not reforming a foundation, and thus, the structural safety is guaranteed. Therefore, compared with the prior art, the method and structure disclosed by the invention not only have the advantages of no plant ground occupation, easiness for construction and low manufacturing cost, but also have the advantages of simple structure, higher structural strength, short construction period and reliable structural properties.

The invention discloses a forged hubbed (high neck) flange joint for a steel tube structure. The forged flange is connected with a steel tube through a circumferential weld; the forged hubbed (high neck) flange comprises a flange plate, a variable slope section, a straight neck section and a ring bolt hole, wherein the variable slope section of the flange has a main inner slope and a larger and even right-angled outer slope; and the straight neck section can be (not) arranged on the variable slope section and contributes to guaranteeing weld joint quality and weld joint quality detection. The length of the weld joint connecting the flange and the steel tube is 20 to 30 percent of that of a rigid flange, automatic welding is realized, and the flange is a connecting flange for lightening the labor intensity and improving the machining and manufacturing efficiency.