57results about How to "Fast demolition" patented technology

The invention relates to a method for quickly eliminating waste materials and remaining iron in a furnace during blast furnace overhaul. The method is a quickly eliminating method for mechanically detaching waste materials and carbon bricks in a furnace on the premise that a blast furnace shell is locally changed, particularly for mechanically detaching and cleaning furnace materials and carbon brick refractory materials on the premise that the blast furnace shell is locally changed, and moreover synchronously knocking and crushing remaining iron clots in the furnace by means of detaching and falling of the upper cooling wall, and removing both remaining iron clots and waste materials out of the furnace by virtue of a grab excavator. The method has the characteristics of use of few labors, high detaching speed, convenience in operation, quick construction, safe construction and the like, and can be used for increasing the speed for cleaning waste materials in the furnace in the process of blast furnace overhaul. Compared with traditional manual detaching and cleaning mode, the method has the advantages that the speed for cleaning waste materials and remaining iron in the furnace during blast furnace overhaul can be increased and the safety factor of the process of constructing in the blast furnace can be improved.

The invention relates to an assembled jacking pipe relaying intermediate. According to the assembled jacking pipe relaying intermediate, bottom plates and oil cylinder activating and locating boxes are mounted at the middle of an outer shell body of the relaying intermediate, the two ends of the oil cylinder activating and locating boxes are respectively in contact connection with a front bottom plate and a rear bottom plate, the front bottom plate and a concrete pipe section are connected together in a contact manner so as to support relay oil cylinders and provide counter force for the relay oil cylinders; the rear bottom plate and a concrete pipe section are in contact connection with each other; and the relay oil cylinders are mounted in the activating and locating boxes. Due to the oil cylinder activating and locating boxes, after a jacking pipe runs through, the dismounting of the relay oil cylinders is facilitated, the intra-pipe cutting is avoided, the generation of a lot of smoke and dust is avoided, the operation is safe and fireproof, and the dismounted relay oil cylinders can be reutilized. Compared with the existing traditional jacking pipe relaying intermediate, the assembled jacking pipe relaying intermediate is different in structure and mainly formed in a manner that the activating and locating boxes are assembled, relay rings are manufactured by directly using the prolongation of steel bushings of the concrete pipe sections, no other additional components exist, each oil cylinder corresponds to each activating and locating box, a sealing device can be replaced online, the cost is low, the performance is reliable, and the mounting / dismounting is convenient.

The invention provides a combined supporting system for a foundation pit central island basin type excavation and a construction method thereof. A grid type double-shaft cement-soil mixing pile gravity type enclosure wall is added to replace a soil body to slope, steel inclined struts are arranged after overall pouring of a tower bottom plate is completed, and follow-up construction work is carried out. The double-shaft cement-soil mixing pile gravity type enclosure wall is used for replacing the soil body slope, so that the length of the steel inclined struts can be properly shortened, and the influence of the steel inclined struts on foundation pit deformation is reduced; a foundation bottom plate of a tower extends to the position, close to the edge side of a foundation pit, of part ofa foundation bottom plate of a basement to be constructed, the problem of tower bottom plate cutting caused by central island basin type earth excavation is solved, the foundation bottom plate of thetower can be integrally poured, integrity and continuity of the tower structure are guaranteed, and other quality problems such as water leakage caused by improper later construction joint treatment are avoided.

The invention provides a building frame structure square column reinforcing member formwork and a construction method thereof. The building frame structure square column reinforcing member formwork comprises a frame column formwork assembly, strip-shaped steel angles are arranged at the lower end of the outer wall of the frame column formwork assembly, vertical square timber is arranged on the positions, at the two ends of the strip-shaped steel angles, of the outer wall of the frame column formwork assembly, the vertical side walls of the strip-shaped steel angles are closely attached to theouter wall of the frame column formwork assembly, the horizontal side walls of the strip-shaped steel angles are vertically arranged at the lower ends of the sides, away from the frame column formworkassembly, of the vertical side walls, vertical secondary keels are arranged at the upper ends of the horizontal side walls of the strip-shaped steel angles at intervals, the secondary keels at the ends of the strip-shaped steel angles and the ends of the horizontal side walls of the strip-shaped steel angles are all closely attached to the square timber, and transverse square column reinforcing member main keels are arranged on the same horizontal plane of the outer sides of the secondary keels. The process is simple and convenient, operating by workers is convenient and rapid, the construction speed is high, the assembling efficiency is high, the later dismantling speed is high, and the construction period is saved; and the strip-shaped steel angles are arranged at the lower ends of theframe column formwork assembly and matched with the secondary keels and the square column reinforcing member main keels, and formwork expanding and mortar leakage of the frame column formwork assemblyare avoided.

The invention relates to the field of dismantling equipment, and specifically relates to a terminal dismounting device for automobile wire harness recovery. The device comprises a base and a controller. The device further comprises a feeding mechanism, a stripping mechanism and a discharging mechanism. The feeding mechanism is arranged at one end of the top of the base so as to feed the automobilewire harness to the stripping mechanism. The stripping mechanism is arranged beside the feeding mechanism so as to strip the terminals of the automobile wire harness fed by the feeding mechanism. Thedischarging mechanism is arranged below the stripping mechanism so as to discharge the automobile wire harness of which the terminal is removed. The feeding mechanism comprises a pushing assembly, aninverted-U-shaped supporting rod, a driving assembly and a clamping assembly. The stripping mechanism comprises an inverted-U-shaped supporting frame, a supporting table, a pressing assembly and a sliding assembly. According to the terminal dismounting device for automobile wire harness recovery, manual dismounting is replaced with automatic equipment, automobile wire harness terminals can be dismounted in batches, meanwhile, the terminal dismounting device has the discharging function, convenience and practicability are achieved, the dismounting time is saved, and the production cost of enterprises and factories is saved.

The invention belongs to the technical field of assembly type wallboard installation, and discloses a convenient installation structure of a prefabricated concrete assembly type wallboard. The convenient installation structure comprises a wall body, installation frames and a wallboard; No.1 expansion screws are fixedly installed on the wall body and the installation frames; the number of the installation frames is two; the ports of the two installation frames are correspondingly contacted; the wall body and the installation frames are fixedly connected through the No.1 expansion screws; and the wallboard is fixedly installed on the wall body. According to the convenient installation structure of a prefabricated concrete assembly type wallboard, the two installation frames are installed onthe wall body, the two installation frames are in butt joint, then the wallboard is placed on the inner extending edges of the two installation frames respectively, AB glue is used for primary adhesion, and then other fixing procedures are carried out, so that the structure of the wallboard cannot be damaged in the whole process, holes do not need to be formed in the wallboard, the integrity of the wallboard is maintained, after the wallboard is disassembled subsequently, the wallboard can still be used again according to decoration requirements, and waste and waste cleaning are avoided.

The invention relates to the field of dismantling equipment, in particular to a terminal dismantling device for automobile wire harness recovery. The terminal dismantling device for automobile wire harness recovery comprises a base and a controller and also comprises a feeding mechanism, a peeling mechanism and a discharging mechanism. The feeding mechanism is arranged at one end of the top of thebase to feed an automobile wire harness to the peeling mechanism. The peeling mechanism is arranged next to the feeding mechanism to peel a terminal of the automobile wire harness fed by the feedingmechanism. The discharging mechanism is arranged below the peeling mechanism to discharge the dismantled automobile wire harness. The feeding mechanism comprises a pushing assembly, a reversed U-shaped supporting rod, a driving assembly and a clamping assembly. The peeling mechanism comprises a reversed U-shaped supporting rack, a supporting table, a compression assembly and a sliding assembly. The terminal dismantling device for automobile wire harness recovery dismantles the terminal of the automobile wire harness by means of automatic equipment replacing manual operation and dismantles theterminals of the automobile wire harnesses in batches. Meanwhile, the terminal dismantling device has a discharging function, is convenient and practical, saves the dismantling time, and saves the production costs of an enterprise and a plant.

The invention discloses a wall dismantling device including a bottom seat, lifting devices, stand column, a wall dismantling main body, a wall dismantling mechanism and an anti-falling device, whereinthe lifting devices are symmetrically arranged front and back in the bottom seat, the stand column is arranged on the upper end face of the bottom seat, the wall dismantling main body is arranged onthe stand column, the wall dismantling mechanism is arranged on the right side of the wall dismantling main body, and the anti-falling device is arranged on the left side of the stand column. The walldismantling mechanism includes an opening cavity, the opening cavity is formed in the right end face of the wall dismantling main body, and the right end face of the wall dismantling main body is provided with a cotton-shaped body. A plurality of high-pressure water guns arranged front and back, are arranged in the end wall of the opening cavity. A discharge cavity is formed in the lower end of the left side of the opening cavity, and a discharge port is formed in the lower end of the discharge cavity. A stirring motor is fixedly arranged on the front side of the middle portion of the wall dismantling main body, a rotating cavity is formed in the upper end of the stirring motor, and an active rotating shaft is arranged on the left side of the rotating cavity.

A flood diversion pipe band group of a dam for above standard flood belongs to the technical field of hydraulic engineering of dam flood diversion. In case that above standard flood comes, the flood diversion pipe band group is capable of realizing flood diversion to prevent an embankment from bursting; and the flood diversion pipe band group has the advantages of simple structure, finalized design and production, convenient transportation, fast construction, and low manufacturing cost. The flood diversion pipe band group comprises inlet hafnium U-shaped grooves, cage type trash racks, HDPE flap valves, flood diversion pipe bodies, outlet hafnium U-shaped grooves, water delivery bands each having a rigid framework and made of an artificially synthesized material, aprons of a geotechnical synthetic material, sandbag baffle sills, and color strip cloth sandbag scour prevention sections; the flood diversion pipe bodies along with the water delivery bands each having the rigid framework and made of the artificially synthesized material are arranged at equal distances and in parallel, and therefore, the flood diversion pipe band group of the same flood diversion point is constructed as required. The flood diversion pipe band group is arranged dispersedly along two sides, and capable of implementing temporary controllable flood diversion to a farmland at any place without permanently occupying the cultivated land; no special flood retarding basin is needed, and great calamity caused by concentrated flood diversion, and high-investment whole-line flood fighting can be avoided; the detachable and combinable flood diversion pipe band group can be quickly constructed when flood diversion is needed during flood-fighting and emergency rescues, and is convenient to use and manage.

The invention discloses a ball type hot blast stove dismantling method, which is a destructive dismantling method and comprises the steps that a furnace shell steel structure of a hot blast stove, a hot blast stove body lining material and steel platform accessory equipment are all destructively dismantled. The method comprises the following steps that S1, early-stage dismantling work is conducted; S2, a combustor is dismantled; S3, a hot air header pipe platform is dismantled; S4, a large vault is dismantled; S5, an upper-layer ball loading platform is dismantled; S6, a heat storage chamber is dismantled; S7, a lower-layer ball loading platform is dismantled; S8, a lower cone, a grate and a cold air chamber are dismantled; and S9, waste is cleared away. The dismantling method is high in efficiency, low in cost, high in safety and convenient to use and popularize.

The invention provides an aluminum mould pulling piece dismounting tool capable of being repeatedly utilized conveniently. The aluminum mould pulling piece dismounting tool capable of being repeatedlyutilized conveniently comprises a steel tube and a supporting framework, wherein one end part of the steel tube is in the shape of a flat opening; the supporting framework comprises two bent reinforcing steel bars and supporting steel plates, wherein each bent reinforcing steel bar comprises a lap-joint part and a handle part, and an included angle between the lap-joint part and the handle part is an obtuse angle; the lap-joint parts of the two bent reinforcing steel bars are in doubled-sided welding with the other end part of the steel tube; and the supporting steel plates are uniformly andequally welded between the handle parts of the two bent reinforcing steel bars. The dismounting tool provided by the invention is simple in structure, is convenient and quick to hold with the hands for use, is small and reasonable in weight, and is convenient in processing and welding; the handheld supporting framework can break off the head of a pulling piece by a flat opening end of the steel tube, the handheld steel tube can cut off the pulling piece through the supporting steel plates, and the two parts can be used, so that the functions are various. The dismounting tool can quicken the construction progress of dismounting an aluminum mould pulling piece, and reduces damage to a wall surface.

The invention discloses a method for removing a reinforced concrete chimney. The method for removing the reinforced concrete chimney comprises the following steps of: I, performing buffer layer laying: laying a buffer layer at the toppling position of the reinforced concrete chimney; II, performing guide steel cable installation: laying a guide steel cable for guiding the chimney during a toppling process; III, performing chimney outer side packaging and water spray pipeline laying; IV, performing cutting area marking; V, performing temporary support member installation; VI, performing cutting area concrete chiseling away and steel bar cutting off; VII, performing water spraying; VIII, performing adjustment on the support height of a temporary support member until the chimney is toppled: gradually adjusting the support height of the temporary support member downwards until the chimney is unstable under the effect of the gravity of the chimney and is toppled onto the buffer layer; and IX, clearing a construction site. The method disclosed by the invention is simple in step, reasonable in design, convenient in implementation, high in removal speed and good in using effect. The chimney is entirely, slowly and directionally toppled by utilizing the temporary support effect of the support member, and the construction problem that the reinforced concrete chimney is entirely and rapidly removed under a non-blasting operation condition is solved.

The invention provides manufacturing equipment for a pre-cast shear wall. The manufacturing equipment comprises a master console and a slave console which are arranged on a horizontal base plate, wherein a first operation panel and a second operation panel which are oppositely arranged are arranged on the master console and the slave console; and the first operation panel is arranged on the master console through a gear disc, a control motor controls the rotation of the gear disc, the first operation panel and a pre-casting operation table are driven to rotate through the rotation of the gear disc, the second operation panel is arranged on the slave console through a driven wheel, and the pre-cast shear wall, a slave operation table, the second operation panel and the driven wheel are driven to rotate through the rotation of the gear disc after the pre-cast shear wall is fixed on the pre-casting operation table and the slave operation table. The manufacturing equipment and the manufacturing method for the pre-cast shear wall, which are provided by the invention, have the following advantages: the large shear wall can be operated, a rotation angle of the shear wall during a construction installation process can be randomly adjusted through the master console and the slave console which are oppositely arranged, and the advantages of simple operation, fast construction speed and the like are achieved.

The invention relates to a reverse dismantling method for a high-rise frame structure, and belongs to the field of building construction. A reverse dismantling method for a high-rise frame structure comprises the following steps that S10, wall structures of the first layer and the second layer are dismantled, beam plates of the second layer are dismantled, frame columns are all dismantled, and the frame columns are replaced with steel columns; s20, the concrete beams on the second layer are dismantled, the main beams are replaced with the steel beams, a plurality of jacking devices are fixed to the steel beams at intervals in the steel beam replacing process, and the jacking devices are used for jacking and supporting the main beams on the third layer; s30, the pushing device is driven to contract, the high-layer frame structure descends, frame columns on the second layer fall into the operation space, and the frame columns on the second layer are dismantled; s40, wall structures and beam plates of the third layer are dismantled, concrete beams of the third layer are dismantled, a jacking device is used for jacking and supporting main beams of the fourth layer, a pushing device is driven to contract, and frame columns of the third layer are dismantled; and according to the step S40, the high-rise frame structure is dismounted layer by layer. The dismantling method for the high-rise frame structure is high in dismantling speed, environmentally friendly and low in labor intensity.

A nested in-situ control blasting demolition method for conical buildings, which makes full use of the geometric characteristics and symmetrical structure of conical buildings to reasonably divide them into sections, and sets an annular gap at the bottom of each section according to the nesting conditions. High calculation, blast hole setting, directional device design and digital electronic detonators are used to detonate row by row from bottom to top, symmetrically destroying the reinforced concrete within the range of the annular gap, so that the segment-by-section conical buildings can be accurately inserted into the bottom section of the chimney , the diffusion range of the demolition body is limited to the chimney. The patent is novel in design and simple in process. The demolished conical building falls into the conical structure accurately by means of segmentation, orientation, blasting, and nesting. The diffusion range is controlled within the conical structure without affecting the normal production and operation of surrounding factories. The daily life of residents complies with the national clean, environmental protection and energy-saving policy. Innovation and energy conservation run through the whole process of demolition, effectively solving the world-class technical problem of demolition of towering reinforced concrete conical buildings (structures) in a complex environment without collapse sites.