30results about How to "Guaranteed continuous construction" patented technology

The invention discloses a split type hoisting method for a 5MW land type wind generating set. According to the method, a cabin is hoisted in a split mode, and split into a cabin body, a generator, a maintenance crane and a top housing according to the weight and the boundary dimension of all parts of the cabin and the hoisting capacity of a main hoisting machine; after the cabin is split, software is utilized for analyzing and recalculating the gravity center position to adjust the design of a hoisting sling, and therefore the level and the safety of cabin hoisting are ensured. The main hoisting machine is utilized for sequentially installing the cabin body and the generator in place and sequentially installing the maintenance crane and the top housing in place. According to a general scheme, a 1600t crawler crane is needed when a whole hoisting scheme is adopted for a 5MW fan, while by means of the implementation of the method, the construction requirement can be met by adopting a 1000t crawler crane, and therefore the construction cost is effectively saved.

The invention discloses an anti-rut pavement paving method capable of continuously paving a base layer and a surface layer, and belongs to the field of road engineering. The method is characterized inthat a super-early-strength anti-cracking cement stabilized macadam base layer is paved firstly, and after the base layer is rolled, a cold-mixed cold-paved rigid-flexible composite surface layer ispaved under the condition that the surface is still in a wet state. Compared with the prior art, according to the anti-rut pavement paving method capable of continuously paving the base layer and thesurface layer, continuous paving of the cement stabilized macadam base layer and the surface layer can be realized; maintenance time for 7 days of the cement stabilized macadam base layer can be omitted, meanwhile, the continuity of the base layer and the surface layer is improved, the overall cooperative stress of the pavement structure is guaranteed, a permeable layer and a macadam sealing layerdo not need to be sprayed on the surface of the cement stabilized macadam base layer, and the construction cost is reduced. Meanwhile, the cold-mixed and cold-paved rigid-flexible composite surface layer does not need centralized hot mixing, so that construction is convenient, resources are saved, and the environment is protected. The anti-rutt pavement structure with the base layer and the surface layer capable of being continuously paved has high high-temperature anti-rutting performance, anti-cracking performance, water stability and durability, and has high popularization and applicationvalues.

The invention relates to a high-precision aluminum frame wood formwork construction method. The method comprises the steps that 1, technical preparation is conducted; 2, field preparation is conducted; 3, a shear wall formwork is installed; 4, an inclined support and a wall top side form are mounted; 5, a beam mold is installed; 6, floor installation is conducted; 7, a formwork is mounted at the joint of the beam plate and a cylinder; 8, a hole and a stair formwork are mounted; 9, a beam side mold is reinforced; 10, an aluminum mold is removed; 11, aluminum frame wood formwork construction is matched with other types of work. A supporting system capable of achieving early dismantling is arranged, when the concrete reaches the formwork dismantling strength, the supporting system can be dismantled except for a single supporting top and an early dismantling head, continuous construction of an upper-layer structure is guaranteed, turnover use of the formwork can be accelerated, the one-time input amount of the formwork can be greatly reduced, and the formwork configuration amount is reduced.

The invention provides an automatic control system for a segmental bridge prefabricated line form, and belongs to the technical field of segmental bridge prefabrication construction. The invention solves problems that a conventional reconstruction method employing manual operation is slow in measurement and is low in automation degree. The system is used for controlling a forming module group which consists of an end die, a pouring region and a matched region, and the matched region of the forming module group is provided with a matched segment. A pouring segment is formed in the pouring region. The system comprises an automatic measurement and setting unit for measuring and setting the geometric positions of the matched segment and the pouring segment, a central control unit for receivingthe measurement data of the automatic measurement and setting unit and carrying out the calculation of an adjustment quantity, and an automatic adjustment unit for adjusting the position of the matched segment. The central control unit calculates an error of the matched segment according to the data measured by the automatic measurement and setting unit, and controls the adjustment quantity of the automatic adjustment unit. The system can achieve the automatic setting-out and automatic adjustment, is high in measurement precision, is high in automation degree, and is high in production efficiency.

The invention discloses a cast-in-place concrete early-dismantling formwork system and a construction method thereof. The construction method comprises the steps of installing beam and slab supportingstructures, installing a beam and slab formwork, installing floor supporting structures, assembling a floor formwork and the like. The construction method of the cast-in-place concrete early-dismantling formwork system can achieve early dismantling in the real sense, and the allocation amount of the formworks is reduced by 1/3 to 1/2. The jacking and supporting combination degree is high, installation and disassembly are easy, the stability is high, and the bearing capacity is high. The height of the floor formwork and the height of the beam and slab formwork can be adjusted to meet differentconstruction requirements. Besides, much fewer wood rods, much fewer steel pipes and much fewer wood beams are used, fewer building wastes are generated, the construction environment is clean, neat,beautiful and friendly, it is ensured that the site is cleaned up after construction is finished, and potential safety hazards to workers are reduced. The input cost is reduced, resource waste is reduced, and the construction method of the cast-in-place concrete early-dismantling formwork system has an important significance in energy saving, environmental protection, low carbon and emission reduction.

The invention discloses a concrete pouring chute for a deep foundation pit. The concrete pouring chute for the deep foundation pit comprises an enclosure structure steel sheet pile, and further comprises a first-stage chute body and a second-stage chute body. The first-stage chute body is connected with the enclosure structure steel sheet pile through a clamping ring, the first-stage chute body can rotate up and down along the connecting position of the clamping ring, the second-stage chute body is connected with the first-stage chute body through a rotating shaft assembly, and the second-stage chute body can rotate by 360 degrees along the horizontal plane of the connecting position. According to the concrete pouring chute for the deep foundation pit, the first-stage chute body and the second-stage chute body which rotate in a graded mode are used in cooperation, continuous construction of concrete can be guaranteed, and the concrete pouring construction quality is guaranteed.

The invention discloses a special-shaped epoxy terrazzo wall surface embedded lamp strip profile and a construction method thereof, and belongs to the technical field of special-shaped epoxy terrazzo lamp strips. The light reflecting device comprises a light reflecting cambered surface light groove, a light groove sealing cover plate is inserted in the upper portion of the light reflecting cambered surface light groove, a first clamping edge is arranged on the inner side face of the light reflecting cambered surface light groove, and a slope soft strip light strip is arranged on the first clamping edge. Factory-like mold production can be achieved, seamless butt joint with the special-shaped epoxy millstone wall face can be achieved, the special-shaped epoxy millstone decoration wall face brightening and edge closing and opening closing can be achieved, perfect opening closing is achieved, functionality and ornamental value are achieved, installation is convenient and fast, maintenance is convenient, the construction cost is effectively saved, and continuous construction is guaranteed; the slope soft strip lamp belt can be pulled out along the lamp belt installation groove, a light reflecting cambered surface lamp groove does not need to be dismantled, the special-shaped epoxy millstone wall face cannot be damaged, the risk of wall face reworking is effectively avoided, and rapid replacement of products is achieved.

The invention discloses an efficient molybdenum spraying device comprising a spraying gun, a powder feeder, a drying device and a control system. The powder feeder is connected with the spraying gun through a pipeline. The drying device is arranged in the position, between the powder feeder and the spraying gun, of the pipeline. The spraying gun, the powder feeder and the drying device are all electrically connected with the control system. The spraying gun comprises a gun body and a gun cylinder. The gun cylinder is arranged on one end face of the gun body. A fuel inlet and an air inlet are formed in one end face, far from the gun cylinder, of the gun body. A fuel chamber is arranged in the gun body and communicates with the fuel inlet and the air inlet. An outlet of the fuel chamber communicates with the gun cylinder. A powder inlet channel is formed in the side face of the gun body and communicates with the powder feeder through the pipeline. The structure is designed reasonably, powder needle blocking is avoided, and continuous construction of spraying operation is guaranteed; and meanwhile, the spherical nozzle design is achieved, and the angle of a spherical nozzle can be adjusted through a tool according to the requirements, so that the spraying angle is changed.

The invention discloses a control system and method of an impact type cutter head device. The control system comprises a cutter head detection device, an impact equipment detection device and a control module electrically connected with the cutter head detection device and the impact equipment detection device, wherein the cutter head detection device is used for detecting the rotating speed of acutter head; the impact equipment detection device is used for detecting the impact frequency and the rotating speed of impact equipment; and the control module is used for controlling the impact equipment or the cutter head according to the cutter head rotating speed detected by the cutter head detection device and the impact equipment impact frequency and the impact equipment rotating speed detected by the impact equipment detection device, so as to make the rotating speed of the cutter head to be matched with the impact frequency and the rotating speed of the impact equipment. According tothe control system and method, the rotating speed of the cutter head can be matched with the impact frequency and the rotating speed of the impact equipment so that the construction efficiency can begreatly improved, and the loss rate and the construction risk of the equipment are reduced.

The invention discloses an improved pouring draught fan foundation pit which comprises a foundation pit body and a template mounted in the foundation pit, wherein the template is formed by putting up a plurality of rebars; a foundation is arranged in the center of the foundation pit body; a foundation ring is arranged in the center of the foundation center; a steel pipe as high as the template is welded at the edge of the template; a door type bracket is mounted on the steel pipe; a belt conveyer is mounted between the door type bracket and the foundation ring; a plurality of long chutes are arranged between the foundation pit body and the foundation ring at intervals; and a short chute is mounted at the bottom of the front end of the belt conveyer. The improved pouring draught fan foundation pit increases pouring flexibility; continuous concrete construction can be ensured under a low temperature to ensure concrete pouring quality; and pouring is free of terrain limitation.