14results about How to "Save steel" patented technology

The invention relates to the technical field of steel structure engineering construction, in particular to a super-long independent steel column segmented locking type temporary stabilizing device and a construction method thereof, and is suitable for the overall lifting stage of a multi-layer aerial corridor. The device comprises a first locking assembly surrounding a concrete column and providing an X-direction lateral fulcrum; the second locking assembly is fixedly connected to the surface of the steel column to form a force transmission interface; and the connecting conversion assembly connects the steel column and the concrete column into a whole, so that the X-direction load of the steel column is transmitted to the concrete column in sections. The super-long steel columns are temporarily decomposed into short column stress sections with the length not larger than the designed length, and lateral displacement is remarkably restrained. The construction method comprises the steps that the device is installed at the corridor joint, pre-tightening force is synchronously applied, displacement is monitored in real time, overall dismantling is conducted after lifting is completed, and no residue exists after dismantling. The method is not pre-buried and fully recycled, super-long columns are restored to be in a short column stress state, lateral displacement is reduced, steel is saved, the construction period is shortened, green construction and appearance completeness are both considered, and the method is suitable for a large-span corridor overall lifting project.

The utility model discloses a kind of perforating device of bundled straw biomass fuel, including frame, and frame is provided with perforating device, and perforating device includes linear power mechanism, mounting seat and punch assembly, the end surface of mounting seat is connected with linear power mechanism, and the other end surface is provided with punch assembly;The bottom of frame is provided with the positioning assembly for positioning straw bundle, and linear power mechanism drives punch assembly to carry out punching operation to the straw bundle after positioning. Linear power mechanism includes any one in hydraulic cylinder, cylinder, electric cylinder, and hydraulic cylinder is connected with hydraulic pump group and control valve group, cylinder is equipped with gas source equipment and solenoid valve, electric cylinder is electrically connected with servo driver and controller. The utility model punches in straw bundle, obtains straw bundle with air hole, increases airflow flow in straw bundle, effectively improves the combustion efficiency of whole straw bundle, can effectively reduce the volume and structure of combustion furnace, reduces combustion furnace investment cost.

The utility model provides a precast concrete tower tube segment mold which is composed of an upper fixing plate, a lower fixing plate, an inner side vertical strip-shaped steel plate, an outer side vertical strip-shaped steel plate, sealing cloth, an inner side end vertical strip-shaped steel plate and a vertical end sealing steel plate. The upper fixing plate and the lower fixing plate are respectively provided with a fixing groove, an inner side end vertical strip-shaped steel plate fixing groove and a vertical end closed steel plate fixing groove; the upper fixing plate and the lower fixing plate are connected through the inner side vertical strip-shaped steel plate, the outer side vertical strip-shaped steel plate, the inner side end vertical strip-shaped steel plate and the vertical end sealing steel plate. The mold can be recycled; the upper fixing plate and the lower fixing plate can be shared as required, so that the effect of saving steel is achieved; and the distance between the vertical strip-shaped steel plates in the mold is sealed by high-elasticity PVC sealing cloth, so that the steel consumption of each tower section mold is reduced, and the mold cost is saved.

The invention discloses a method for splicing large-scale industrial module equipment, belongs to the technical field of large-scale industrial module construction, and aims to solve the problems of low splicing precision, poor quality control, weak tool universality and the like in the prior art. The method comprises the steps of module early-stage preparation, construction site arrangement, module hoisting and positioning, module splicing operation, quality inspection and acceptance, digital filing and the like. A module full life cycle database is established, a high-precision measurement control network is constructed, and an adjustable universal supporting tool and intelligent equipment are adopted, so that high-precision splicing of module butt joint unfitness smaller than or equal to 0.5 mm is achieved; bIM simulation, real-time monitoring and automatic welding technologies are combined, so that the defect rate of the welding seam is reduced to 1% or below. The device can adapt to heavy modules of 50-500 tons and 10-50 meters, the tool cost is reduced by 60% or above, the construction period is shortened by 40% or above, and the device is suitable for the high-precision requirement fields of the nuclear industry, the petrochemical industry and the like.

The utility model relates to flue gas treatment field of atmospheric pollution control industry, concretely relates to a desulfurization dust removal denitration integrated equipment. The desulfurization dust removal denitration integrated equipment includes: support separation structure, which separates desulfurization dust removal denitration integrated equipment into three layers of upper, middle and lower in vertical direction, separates into middle area and peripheral area in horizontal direction, denitration chamber is arranged in middle layer middle area, exhaust port is arranged in middle layer middle area, below denitration chamber, air inlet is arranged in lower layer middle area, below exhaust port, N desulfurization filter chambers are symmetrically arranged in middle layer peripheral area, peripheral of denitration chamber and exhaust port, S ash bucket is arranged in lower layer peripheral area, upper box gas chamber is arranged in upper layer area, and N desulfurization filter chambers of the peripheral area and denitration chamber of middle area are communicated. The utility model discloses desulfurization dust removal denitration integrated equipment, and the land area is small, and the investment is saved.

The application relates to a ceiling assembly structure comprehensive system and relates to the technical field of building decoration, which comprises a plurality of connecting rod units and a conversion layer; one end of the plurality of connecting rod units is used for being connected with a roof beam of a wall top surface; the conversion layer is connected with the other end of the plurality of connecting rod units; the conversion layer has a cavity; the bottom surface of the conversion layer is provided with a plurality of ceiling surface layers; a first opening is formed between two ceiling surface layers; the top of the conversion layer is provided with a plurality of second openings; and the second openings are used for being communicated with smoke exhaust ports of the wall top surface. The conversion layer can be used for maintenance personnel to maintain the ceiling surface layer; secondly, when a fire occurs, smoke can pass through the plurality of first openings, the cavity and the plurality of second openings in sequence and be exhausted from the smoke exhaust ports of the wall top surface, so that fire safety is ensured; in addition, sound-absorbing panels absorb indoor noise, and when a high hall or the like is designed, the sound-absorbing panels can eliminate echo in a closed space and achieve ideal acoustic effects.

This invention discloses a photovoltaic device and a photovoltaic system. The photovoltaic device includes a photovoltaic bracket, a support assembly, and a photovoltaic module. The photovoltaic bracket includes a mounting frame, a support rod, and a base. The support rod extends vertically and its upper end is connected to the mounting frame. The base is a concrete base, and the lower end of the support rod passes through the base, which is connected to the support rod. The support assembly includes a first rod, a second rod, and a clamp. The clamp is mounted on the base and detachably connected to it. The two ends of the first rod are connected to one side of the clamp and one side of the mounting frame, respectively. The two ends of the second rod are connected to the other side of the clamp and the other side of the mounting frame, respectively. The photovoltaic module is installed in the mounting frame using fasteners. The photovoltaic module is used to generate electricity using solar energy. The photovoltaic device of this invention has advantages such as simple structure and long service life.

The application relates to the wind power technology field, in particular to a circular ring type steel-concrete tower structure. The circular ring type steel-concrete tower structure comprises a steel tower, the steel tower comprises an inner ring steel tower and an outer ring steel tower, the outer ring steel tower is arranged outside the inner ring steel tower, and concrete is poured between the outer ring steel tower and the inner ring steel tower. The circular ring type steel tower structure is formed by two steel towers with different diameters, the connection between the towers is realized through first connecting pieces and second connecting pieces, and the stable structure system is formed by pouring the concrete between the inner ring steel tower and the outer ring steel tower; under the condition that the wall thickness or height of the tower is not increased, the rigidity and strength of the original steel tower are improved, the bearing capacity of the wind turbine unit is met, and the steel amount of the steel tower is effectively reduced. The novel structure is low in cost, can provide sufficient bearing capacity, and is relatively convenient and fast in manufacturing process, material transportation and construction process and the like.

This invention relates to the field of steel column and precast floor slab connection structure technology, and discloses a connection device and method for H-shaped steel columns and precast floor slabs, including H-shaped steel columns, support plates, and precast floor slabs; the H-shaped steel columns are fixedly connected to steel beams; the support plates are placed above the steel beams and have a connecting groove on one side, the connecting groove matching the shape of the H-shaped steel column, and the connecting groove is engaged with at least a portion of the flanges and at least a portion of the webs of the H-shaped steel column; the precast floor slab is placed above the support plates and parallel to the support plates; a clearance groove is provided at the connection position between the precast floor slab and the H-shaped steel column, and at least a portion of the H-shaped steel column is located in the clearance groove; the precast floor slab contains reinforcing bars, one end of which protrudes from the clearance groove and is fixedly connected to the H-shaped steel column; the H-shaped steel columns, support plates, and precast floor slabs are connected into an integral structure by post-cast concrete. This invention can reduce construction difficulty, ensure the integrity of the structure, reduce construction costs, and improve construction efficiency.

The application discloses a connecting structure of prefabricated reinforced concrete columns and beams and a construction method thereof, and the structure comprises a lower prefabricated reinforced concrete column, an upper prefabricated reinforced concrete column and a beam arranged on the lower prefabricated reinforced concrete column, the upper end of the lower prefabricated reinforced concrete column and the upper prefabricated reinforced concrete column is provided with a hoop hoop steel plate, the lower end is provided with a vertical H-shaped short steel and a prefabricated column short plate, and column longitudinal reinforcement is arranged in the inside; the top end of the hoop hoop steel plate is welded with a prefabricated column top plate, the inside is provided with a lower layer horizontal reinforcing plate and an upper layer horizontal reinforcing plate, the lower end of the column longitudinal reinforcement is anchored on the prefabricated column end plate through a bolt anchor head, and the upper end is anchored on the upper layer horizontal reinforcing plate through a bolt anchor head; the vertical H-shaped short steel is welded with the prefabricated pile top plate, and the connecting area of the lower prefabricated reinforced concrete column and the upper prefabricated reinforced concrete column is filled with concrete. The application improves the connecting reliability of the upper prefabricated reinforced concrete column and the lower prefabricated reinforced concrete column and the safety of the overall structure.

The utility model relates to the technical field of building engineering, concretely relates to a steel short column connected with curved pipe truss, which comprises first and second bearing platforms and curved pipe trusses all poured with reinforced concrete, the steel short column body for connecting the curved pipe truss is arranged in the second bearing platform, a plurality of pegs for improving stability are arranged on the steel short column body at equal intervals, a circular rigid top plate is fixedly installed at the top end of the steel short column body, a circular rigid bottom plate is fixedly installed at the bottom end, a plurality of reinforcing rib plates are arranged on one side of the steel short column body in a circular array close to the circular rigid bottom plate and the circular rigid top plate, and a reserved groove for connecting the steel short column body is arranged at the end of the curved pipe truss; the steel short column body and accessories are processed and formed in a factory, can be transported to a construction site for direct installation, and the processing quality is guaranteed; each steel short column circular rigid bottom plate is connected through a bolt steel support embedded in the first bearing platform, which is fast to install and significantly improves the efficiency.

The application discloses a kind of shallow slot type integral tramway turnout wear-resistant guard rail and processing method thereof, guard rail includes straight guard rail and curved guard rail, both guard rails adopt channel steel, wear-resistant strip is fixedly arranged on the rail lip plane of channel steel rail, the starting point of wear-resistant strip is 390-395mm from guard rail front end, the top surface of starting end and end of this wear-resistant strip has excess section, the wear-resistant strip is arranged on the rail lip of guard rail, and it is compatible with existing guard rail pad and fastener, with high strength, good wear resistance, reduce maintenance workload, prolong service life.Processing the guard rail, first, positioning step is processed on rail lip plane, and positioning groove on wear-resistant strip is simultaneously processed, then welding, preheating before welding, and machining after welding to determine final size, the processing method has short technological process, simple operation and few steps, can avoid the generation of welding crack, and wear-resistant strip and steel rail are combined firmly, with good durability, not easy to weld off, with long service life.

The present application relates to a kind of typhoon can be released with platform's water isolation sleeve support system and its use method, wherein, typhoon can be released with platform's water isolation sleeve support system for supporting the water isolation sleeve of subsea well, subsea well is configured with deepwater self-elevating production platform around, the deepwater self-elevating production platform includes hull, the water isolation sleeve support system includes moving mechanism, bottom foundation and water isolation sleeve support frame, moving mechanism is set on the deck of hull;Bottom foundation is set to the sea bottom near deepwater self-elevating production platform;The bottom end of water isolation sleeve support frame is detachably connected on the bottom foundation, and the top end of water isolation sleeve support frame is connected with hull by moving mechanism.When typhoon is encountered, the moving mechanism releases water isolation sleeve support frame, realizes that water isolation sleeve support frame is quickly released from deepwater self-elevating production platform when typhoon is encountered;When deepwater self-elevating production platform moves or reinstallation, the moving mechanism will water isolation sleeve support frame be lifted to the deck of hull, realize that deepwater self-elevating production platform is moved together with water isolation sleeve support frame and reinstallation.

The utility model provides a kind of cabin section bottom integration water tank structure of land simulation training cabin, the inner surface of outer bottom plate is turned outside in longitudinal steel keel and transverse steel keel, realize bottom skeleton turning outside, longitudinal steel keel and transverse steel keel can be used as the support structure of land simulation training cabin bottom and water tank top wall, greatly save steel and thermal insulation material, while the amount of concrete pier block can be reduced.Land simulation training cabin can be used for crew to simulate the crew operating environment after ship body is damaged, water in water tank can flow to specified several cabins for crew training.