32results about How to "Avoid the impact of construction" patented technology

The invention discloses an intelligent ground leveling machine and a leveling method thereof. The intelligent ground leveling machine comprises a leveling machine main body, a laser receiving device, a spouting head, a stopping plate, a plurality of leveling regions, a scraping plate, a sensor and a control system. The upper limitation of the working of the leveling machine is limited by the laser receiving device, an inclined angle of the working of the leveling machine is monitored by utilizing the sensor and working parameters of the leveling machine are adjusted in real time by controlling a plurality of leveling regions through the control system, so that the leveling working in a relatively small area can be realized. The intelligent ground leveling machine has the advantages of small equipment structure, light weight of the whole leveling machine, high precision, energy saving and environmental friendliness and convenience for utilization.

The invention relates to the technical field of concrete spraying and provides a power-driven device for a concrete wet spraying machine. The power-driven device for the concrete wet spraying machine is used for driving a work system and a running system, and comprises a motor, an engine, a hydraulic oil tank, a first four-link pump package, a second four-link pump package and a changeover valve. The power-driven device for the concrete wet spraying machine adopts the motor and the engine for double-power drive; when the concrete wet spraying machine is operated in a tunnel, the motor can be adopted for driving the work system to operate, thereby reducing emission of exhaust gas such as carbon dioxide and so on and reducing the harm of the exhaust gas on the body health of construction workers; under the condition of no power supplied, the concrete wet spraying machine can also adopt the diesel engine for driving the work system to operate, thereby avoiding the influence of conditions such as power failure or inconvenient power access, etc. on the construction, so as to make the engineering construction smoothly performed under a plurality of operating conditions. The invention also provides the concrete wet spraying machine.

The invention relates to a basement exterior wall post-cast strip advanced sealing structure. The basement exterior wall post-cast strip advanced sealing structure is characterized by comprising a sealing plate (4), a brick masonry protection layer (5), a waterproof layer (6), a mortar leveling layer (7), a connecting steel plate (8), a water stop steel plate (9), connecting cotters (10) and the like; the sealing plate (4) is assembled on the outer side of the mortar leveling layer (7), protruding bars (43) at the upper end of the sealing plate (4) are embedded in grooves (44) in the lower end of the sealing plate (4) and are connected with the grooves (44) in the lower end of the sealing plate (4) into a whole through connecting ribs (45) in the perpendicular direction; one end of the connecting steel plate (8) is clamped in clamping grooves (48) in the sealing plate (4) and are provided with reinforcing steel bar penetrating holes, and horizontal bars penetrate in the reinforcing steel bar penetrating holes and are welded to the connecting steel plate (8); and the other end of the connecting steel plate (8) is provided with post-cast strip formwork fixing and connecting screw rods (15). The basement exterior wall post-cast strip advanced sealing structure belongs to the field of basement exterior wall and post-cast strip construction in industrial and civil construction body structures and has the beneficial effects that advanced water stop and soil retaining effects are good, and the construction speed is high; and good technological and economic benefits are achieved.

The invention discloses a high-pier pouring forming method applied to bridge construction. The high-pier pouring forming method is characterized by comprising the following steps that (1) a heat insulation shed is built; (2) multiple sections of equilong templates are adopted to be superimposed to form a high-pier pier body template inside the heat insulation shed; (3) on the basis of the formed high-pier pier body template, a high-pier pier body with the same height as the high-pier pier body template is poured inside the heat insulation shed in one step; (4) all templates under the topside template are dismounted, and in addition, the topside template is used for the template installation support during the pouring of the lower section of pier body; (5), the pouring height of each section of later high-pier pier body is the sum of the heights of the templates except the topside template in the step (4), and the high-pier pier bodies are sequentially poured until the pouring is completed; and (6) the high-pier pier bodies are maintained in the heat insulation shed to carry out heat insulation maintenance until the final formation is realized. Through the scheme, the high-pier pouring forming method has the advantages that the influence of cold weather on the bridge construction is avoided, the construction quality is ensured, and high practical values and promotion values are realized.

The invention provides a construction method of a metro internal-bracing-free track panel shaft. The construction method includes following steps: (1), constructing a diaphragm wall; (2), constructing a foundation pit, and sequentially constructing a top beam and an internal bracing along with excavating; (3), constructing a baseplate, and demounting the internal bracing positioned downmost the foundation pit after strength of the baseplate reaches a certain degree; (4), constructing a side wall of a negative first floor, synchronously constructing a vertical coupled shear wall, a waist beam and a side wall within a range of a negative second floor; (5), constructing a middle plate, reserving a hole for the track panel shaft on the middle plate, and synchronously constructing a vertical coupled shear wall, a waist beam and a side wall within a range of the negative first floor; (7), constructing a top plate, reserving a hole for the track panel shaft on the top plate, and after strength of the top plate reaches a certain degree, demounting the internal bracing uppermost the foundation pit. The construction method has good water stopping effect, so that water leakage is avoided and big influence on surrounding environment during construction is avoided.

The invention discloses a ramming and groove digging mechanical device for building constructions. The device comprises a chassis, a cab room and a power room arranged on the chassis, and a driving wheel and driven wheels arranged below the chassis. Two sides of the chassis are respectively horizontally and fixedly connected with first hydraulic cylinders. Lifting columns are vertically arranged at an end part of piston rods of the first hydraulic cylinders. Second hydraulic cylinders are vertically and fixedly connected to lower ends of the lifting columns. Cylinder bodies of the second hydraulic cylinders are connected to the lifting columns. Ends of the piston rods are connected with ramming plates. A plurality of sequentially connected soil loosening structures is arranged horizontallybetween a left driven wheel and a right driven wheel. A groove digging structure assembly is arranged between the driving wheel and the driven wheels. According to the ramming and groove digging mechanical device for building construction, soil loosening and pushing grooves are performed in an area in a foundation beam frame at the same time in the walking process by taking the foundation beam asa track, and earth compaction is performed by using ramming plates at last, so that the effects of being easy to construct, quick and efficient, and capable of greatly saving manpower and material resources are achieved.

The invention relates to an underground engineering rock mass structure information intelligent interpretation and cloud remote surrounding rock grading method. Research and development are performedbased on a platform C + +; the image characteristics of the fractured rock mass are fully considered; the tunnel face rock mass image is subjected to gray scale transformation, edge sharpening, secondary filtering and other operations, feature extraction of a rock mass structure is achieved based on a morphological algorithm, multi-parameter representation of the rock mass structure is conducted through the fracture rate, the fractal dimension, the surface density, the joint interval, the joint trace length, the joint middle point number and the like, and corresponding data recording and summarizing are conducted in time. The method is based on the engineering rock mass grading standard; a system reliability analysis theory is introduced for analyzing rock mass strength and rock mass integrity coefficient probability distribution rules, the performance functions of different surrounding rock grades are constructed, the reliability probability that the surrounding rock belongs to each evaluation grade is calculated through a Monte Carlo method, a corresponding rock mass structure cloud information data integration platform is constructed accordingly, and reliable data support is provided for tunnel construction and follow-up analysis.

The invention discloses a construction process of a cable crane hoisting system, and belongs to the field of bridges. The construction process comprises the following steps of step (1), respectively carrying out the construction of foundation embedded parts of towers on both sides on transition piers on both sides of a bridge, and then assembling the towers on both sides and installing wind cableson the corresponding towers; step (2), installing cable saddles on the tops of the towers on both sides, and carrying out the construction of main anchors on both sides; step (3), installing a main bearing cable and installing a winch at the same time; step (4), carrying out the installation of a lifting trolley, a traction rope and a hoisting rope; and step (5), carrying out hoisting system inspection and trial hoisting. According to the scheme of the invention, the towers are erected on the tops of the bridge transition piers, the span of a cable system is reduced and the height of the towers is reduced; and the arrangement not only greatly saves the construction cost and speeds up the construction progress, but also ensures the construction safety of a cable crane used in a large-span,variable cross-section steel truss continuous rigid frame bridge, and the hoisting construction process is simple.

The invention relates to the field of industrial capital construction and large piece installation, and provides an electric furnace hearth insulation and furnace shell inverted installation technology. By adopting the technology for installing an insulation plate between a furnace shell and a base, influence caused by outside conditions to construction is avoided, the defect that an insulation layer is naturally poor in structural strength, and thereby is prone to being damaged by external force during the installation process of a normal installation procedure is overcome as well, and the installation quality of the insulation plate is guaranteed. The electric furnace hearth insulation and furnace shell inverted installation technology comprises the construction technology of installingthe base, the construction technology of installing the furnace shell on the base in a splicing manner, and the construction technology of arranging the insulation plate between the base and the furnace shell in a lining manner.

The invention discloses a positioning device for anchor bolts. The positioning device comprises a pile body index dial. The outer wall of the pile body index dial is uniformly and circumferentially connected with telescopic tubes perpendicular to the surface of the outer wall of the pile body index dial at intervals. Device positioning blocks are fixed to the ends of the telescopic tubes. Device positioning bolts are arranged in the device positioning blocks correspondingly. A plurality of sets of first clamping strips capable of moving left and right are connected between the surfaces of the opposite inner walls of the front side and the rear side of the pile body index dial. Every two opposite semicircular grooves located in the two first clamping strips of the same set form a positioning groove matched with a thread on one anchor bolt. A plurality of sets of second clamping strips capable of moving front and back are connected between the surfaces of the opposite inner walls of the left side and the right side of the pile body index dial. Every two opposite semicircular grooves located in the two second clamping strips of the same set form a positioning groove matched with a thread on one anchor bolt. A gap exists between the first clamping strips and the second clamping strips in the longitudinal direction. The positioning device is simple in structure, easy to machine, high in positioning precision, easy to operate and capable of being recycled.

The invention provides an upstream-type tailing pond multi-level independent flood drainage system. The upstream-type tailing pond multi-level independent flood drainage system is composed of multi-level sub-flood drainage systems. Each sub-flood drainage system is composed of a 1# flood drainage well, a 2# flood drainage well, a joint pipe, a concrete base and a flood drainage pipe, and the 2# flood drainage wells are located at the upstream positions of the 1# flood drainage wells. The bottoms of the 1# flood drainage wells and the 2# flood drainage wells separately communicate with the flood drainage pipes through the joint pipes, the joint pipes are buried in concrete bases, and the flood drainage pipes drain the flood to a regulating pond outside the reservoir along the horse road, the bottom of the reservoir and the bank slope. The welding range with an anti-seepage membrane is reduced, and the risk of leakage is reduced, because the anti-seepage membrane is not required during construction, the upstream-type tailing pond multi-level independent flood drainage system can be used in the construction of novel tailing pond projects, and can be widely used in the hidden danger control projects of flood drainage failure or expansion projects with insufficient flood discharge capacity.