16results about How to "Avoid construction accidents" patented technology

The invention discloses an intelligent construction scheme optimization system based on building decoration, and relates to the technical field of building decoration. The system comprises four modules, and the constructor selection module is used for selecting a construction principal according to the performance value of the constructor. The building material monitoring module is used for dividing the storage area into a plurality of monitoring areas and marking the monitoring areas as deviation or overlapping areas according to the area overlap ratio; calculating a zone condition value, and marking the zone condition value as a suitable or non-suitable zone; and calculating a storage score value, and generating a storage early warning signal or a storage qualified signal. The construction safety supervision and analysis module is used for monitoring a construction site in real time and generating a construction early warning signal; calculating an operation monitoring value; and calculating a construction environment coefficient, and generating an environment control abnormal signal or an environment control normal signal. The construction progress risk monitoring module is used for collecting delay data, calculating progress influence values and generating influence signals of different levels; and adjusting the progress plan. According to the system, through intelligent management, the construction efficiency and safety are improved, and the construction cost is reduced.

The invention discloses an automatic sensing and monitoring system for a pipe jacking underneath pass construction process. The automatic sensing and monitoring system comprises a data acquisition system, an internet of things, a data processing system, a cloud server and a remote management terminal, the data acquisition system is used for acquiring settlement and horizontal displacement data of monitoring points in a construction monitoring area, and comprises GNSS receivers arranged at the monitoring points in the construction area; the data acquisition system sends acquired data to the data processing system through the Internet of Things; the data processing system is provided with a three-dimensional model of the terrain around the jacking pipe, corrects the three-dimensional model in real time according to the data acquired by the data acquisition system, obtains a ground surface settlement change three-dimensional motion cloud picture, and uploads the three-dimensional motion cloud picture to the cloud server in real time; and the remote management terminal communicates with the cloud server, downloads the three-dimensional motion cloud picture, and realizes remote on-site construction monitoring and management. According to the invention, the field work intensity can be greatly reduced, 24-hour unattended monitoring is realized, and the construction safety and efficiency are improved.

The invention discloses an overhead transmission line pay-off control method and system based on multi-source parameter perception, and the system comprises a sensing subsystem which collects the load and posture of a pay-off pulley, the posture and geographic positioning of a walking board, and the sag of a pay-off segment observation gear lead, and employs the collected data as the parameter induction quantity of a field pay-off process; the network subsystem is used for integrating the parameter induction quantity acquired by the sensing subsystem through a wireless ad hoc network to obtain a multi-device parameter value and transmitting the multi-device parameter value to the execution subsystem; and the execution subsystem is used for judging the obtained multi-device parameter values, and realizing the automatic unwinding of the overhead transmission line conductor based on multi-source parameter perception through automatic output adjustment of the stretching device.

The application discloses a pile driver intelligent guiding device arranged on the surface of a machine body and comprising a vertical guiding mechanism, the vertical guiding mechanism comprising a frame rod fixedly connected with the machine body, a fixed plate fixedly installed at the end of the frame rod, and a universal joint arranged on the top surface of the fixed plate. The pile driver intelligent guiding device is connected with the fixed plate through the universal joint, and a sliding cylinder-screw rod driving structure is combined to adjust the pitch angle of a laser instrument in real time. When the sliding cylinder slides along the fixed cylinder, the fixed plate is pushed to rotate around the universal joint as the fulcrum, so that the laser line emitted by the laser instrument is always perpendicular to the ground, the high-precision guiding requirement of the vertical implantation of a steel sheet pile is met, the inner wall of the sliding cylinder is provided with an embedded nut and is threadedly connected with a screw rod, the end of the screw rod is limited from being separated from the sliding cylinder through a stop ring, the threaded connection is prevented from being invalid due to vibration or impact, the surface groove of the sliding cylinder is matched with the inner wall protrusion of the fixed cylinder to prevent the rotation of the sliding cylinder and ensure that the sliding direction is always along the axial direction, and the structural reliability is improved.

This invention relates to the field of pile foundation sediment cleaning devices, and discloses a sediment cleaning device for embedded rock piles, comprising: a first support frame; a vertical through hole provided on the horizontal plate of the first support frame, through which a first guide tube passes; a second guide tube fixed to the upper side wall of the first guide tube and sealed with a transverse sealing plate, the top side wall of the first guide tube also being provided with a slurry return pipe; a third guide tube located above an adjusting plate, the second guide tube vertically passing through the transverse sealing plate and rotatably extending into the interior of the first guide tube; a fourth support frame fixed to the upper surface of the adjusting plate; and an adjusting component for rotating the first guide tube. The device of this invention rotates the second guide tube through the adjusting component, and in conjunction with the threaded section outside the second guide tube and the first support frame, enables continuous position adjustment of the air-lift reverse circulation device relative to the embedded rock pile hole, ensuring the reliability of the air-lift reverse circulation device in cleaning sediment.

The utility model provides a plastering device for a building wall. The plastering device comprises a trolley, a lifting device which horizontally moves is arranged on the trolley, a support is arranged on the lifting device, a liftable plastering device is arranged on the support, a material collecting disc is arranged at the bottom of the plastering device, and the material collecting disc rotates relative to the plastering device. And after plastering of the wall face in the vertical direction is completed, the trolley is moved, and the whole wall face is covered with the whole device. The whole device is simple in structure, easy and fast to operate and high in automation degree, and the whole device can avoid the phenomenon that time and labor are wasted manually. And the phenomenon of physical fatigue caused by long-time standing, stooping and hand raising gesture operation of the worker is avoided. By reducing the steps of manpower and erecting a scaffold, the construction cost can be greatly reduced, the step of erecting the scaffold is omitted, the construction steps can be optimized, and the construction period is shortened. The whole device can avoid the risk that a worker falls from a high place, construction accidents are avoided, and the device has high popularization value.

The utility model relates to and discloses an underground diaphragm wall structure. Relates to the technical field of building construction. The structure specifically comprises a wall pit transversely dug underground, reinforcement cages arranged in the wall pit, a concrete layer poured in the wall pit and a penetrating area allowing a shield tunneling machine to longitudinally penetrate through the wall pit, and the concrete layer is filled between the reinforcement cages and the outer sides of the reinforcement cages; the reinforcement cage comprises a reinforcement frame, a glass fiber rib frame and a connecting piece for connecting the reinforcement frame and the glass fiber rib frame. The steel reinforcement cage comprises the steel reinforcement frame and the glass fiber rib frame which are separated from each other, and the position of the penetrating area reserved on the wall body is partially or completely overlapped with the position of the glass fiber rib frame, so that the glass fiber rib frame is cut in the process of cutting the wall body at the position of the penetrating area by a shield machine; therefore, the shield machine can quickly penetrate through the underground diaphragm wall, construction efficiency is improved, construction accidents can be prevented, damage to a cutter of the shield machine can be reduced, and construction cost is reduced.

The utility model discloses a punching device for house building construction. The punching device comprises a power assembly, a positioning assembly, a fixing assembly and a drill rod. The fixed end of the drill rod is detachably connected with the fixing assembly, the fixing assembly is used for clamping and fixing the fixed end of the drill rod, and the fixing assembly is further fixed to the power output end of the power assembly so as to drive the drill rod to rotate. The power assembly is detachably arranged on the positioning assembly, the positioning assembly is used for abutting against a to-be-punched face to be punched for positioning, and meanwhile the positioning assembly is further used for guiding and limiting the power assembly in the punching pushing direction so that the drill rod can vertically drill the to-be-punched face. According to the device, it can be ensured that the drill rod is always kept in the state of being perpendicular to the face to be punched in the punching process, the problem that punching is inaccurate due to the fact that the drill rod deviates or inclines in the drilling and beating process is solved, meanwhile, the drill rod is detachably connected with the fixing assembly so that the drill rod can be rapidly disassembled and replaced, then the downtime is shortened, and the production efficiency is improved. And the overall construction efficiency and the construction flexibility are improved.

The invention relates to the technical field of vertical transportation equipment, and discloses vertical transportation equipment for super high-rise building construction, which comprises an outer cylinder, the top end of the outer cylinder is of an opening structure, a baffle ring is integrally formed on the inner wall of the bottom end of the outer cylinder, an end cover is fixedly mounted at the top end of the outer cylinder, and a hanging ring is fixedly mounted at the top end of the end cover. A movable pipe capable of moving up and down is installed in the outer cylinder, a pull rod is inserted in the movable pipe, a lifting hook is fixedly installed at the bottom end of the pull rod, and a buffering mechanism is installed between the movable pipe and the interior of the outer cylinder. When a steel cable for hoisting a winch is wound, the hanging ring and the end cover drive the outer barrel to be lifted upwards, so that the outer barrel and the movable pipe generate relative displacement, the compression spring arranged on the outer side of the movable pipe in a sleeving mode is compressed along with rising of the outer barrel, and therefore impact force generated at the moment of hoisting is effectively buffered; in this way, impact of sudden pulling force on vertically-hoisted building construction materials can be avoided, and the building construction materials are prevented from being damaged.

The invention provides a large-span bridge steel transportation mechanism and a using method, and belongs to the technical field of bridge steel transportation mechanisms. Comprising a weighing plate trailer assembly, a small magnetic steel hoisting assembly is arranged at the position, close to the top surface, of one end of the weighing plate trailer assembly, folding height assemblies are arranged at the positions, close to the left side edge and the right side edge, of the top surface of the weighing plate trailer assembly correspondingly, and a transportation support assembly is arranged at the tops of the two folding height assemblies. According to the weighing plate trailer assembly, a worker can conveniently push a plate trailer to a designated position through the foot brake pulley, the triangular plate support and the handle and then step on a foot brake of the foot brake pulley to fix the plate trailer, the electronic weighbridge plate is connected with the gravity sensor and the weight alarm, and the gravity of installed steel can be recorded in real time; and when the weight exceeds the weight of the weighing plate trailer assembly, the weight alarm can make a sound to alert workers, so that the safety is improved, and construction accidents caused by overweight are prevented.

The invention provides a climbing formwork frame anti-inclination safety protection device and a construction method thereof, and belongs to the technical field of building construction.The climbing formwork frame anti-inclination safety protection device comprises a climbing formwork frame, a climbing formwork frame anti-inclination assembly and a wall, the climbing formwork frame anti-inclination assembly is arranged between climbing formworks of the adjacent climbing formwork frame, and the climbing formwork frame anti-inclination assembly comprises four vertical rods, a plurality of transverse rods, an adjusting mechanism and a balancing weight; the four vertical rods serve as four corners, the transverse rods are welded between the adjacent vertical rods, the adjusting mechanisms are arranged on the inner sides of the upper ends of the vertical rods, the balancing weights are arranged on the upper surfaces of the adjusting mechanisms, and the top anti-inclination assembly is arranged at the top of the climbing formwork and comprises a reel, a motor B and a steel wire rope A; the anti-inclination control system is used for monitoring the overturning state of the climbing formwork and controlling the climbing formwork anti-inclination assembly. The problem that potential safety hazards exist in constructors due to the fact that a traditional creeping formwork frame inclines due to external factors during construction or use is solved.

The present invention discloses an LED display screen with automatic dust removal and decontamination function, including a display screen body provided with a dust removal and decontamination mechanism; the dust removal and decontamination mechanism includes a control component, a cleaning component and a camera component; the control component is electrically connected to the cleaning component and the camera component respectively, and the control component is also connected to a control computer for communication, and controls the operation of the cleaning component, the camera component and itself through the instructions issued by the control computer; the cleaning component is used to complete the dust removal and decontamination action of the display screen body; the camera component is used to take pictures to check whether the dust removal and decontamination work is completed. The present invention realizes automatic dust removal and decontamination of the LED display screen through the dust removal and decontamination mechanism, avoids the trouble of manual cleaning, saves time and labor, improves cleaning efficiency, and also avoids construction accidents that may occur in manual cleaning. It has a sophisticated design and good user experience, and is worthy of vigorous promotion by the society.

The utility model relates to the technical field of wire unwinding, and discloses a self-powered wire unwinding pulley, which comprises a base, a winding shaft arranged in the base, a driving box arranged on one side of the base, a linkage shaft arranged at the lower end of the outer wall of the driving box, a linkage assembly arranged in the driving box, and a transmission shaft arranged on the lower end of the outer wall of the linkage assembly, the driving box is used for driving the winding shaft to rotate, the adjusting assembly is matched with the linkage shaft to provide power for the winding shaft, the adjusting assembly is arranged at the upper end of the bottom of the base and used for controlling the operation power of the linkage shaft, and the mounting shell is arranged in the center of the outer wall of the driving box. And the condition of over-tightness or over-looseness is avoided.

The invention relates to the technical field of civil engineering, in particular to a hollow pile post-grouting device and a pile bottom post-grouting method thereof. The hollow pile post-grouting device comprises a hollow pile body, a grouting pump, a flow control system, an intelligent pressure detection unit, a grouting nozzle and a guide positioning mechanism. The pile bottom post-grouting method implemented through the hollow pile post-grouting device comprises the following steps that a pile body is installed; the grouting pump and the hollow pile body are connected; detecting and calibrating the system; adjusting a flow regulator; starting a grouting pump; the grouting pressure is monitored in real time; a protection program; the nozzle automatically expands; adjusting the spraying angle; and grouting is completed. By introducing the intelligent control system, the flow regulator, the automatic stop valve, the pressure compensator, the adjustable jet orifice and the electronic positioning system, the problems of complicated operation, non-uniform grouting effect, high safety risk, material waste, inaccurate positioning and the like in the prior art are solved, and the grouting construction efficiency, safety and reliability are improved.

The invention discloses a method for installing an oblique shear steel plate in an oblique steel plate shear wall of a core tube, comprising: suspending a top moving device on a platform beam of an integral climbing steel platform system, installing a bottom moving device on the uppermost steel plate shear wall constructed on the core tube; connecting the upper and lower ends of the oblique shear steel plate to be installed with suspension ropes respectively, using a lifting device to control the inclination of the oblique shear steel plate through upper and lower suspension ropes to tilt it from the gap of the platform beam to the shelf platform of each bottom translation mechanism; adjusting the vertical inclination of the oblique shear steel plate through the retracting and releasing lines of the upper and lower suspension ropes; energizing each electromagnet, and performing telescopic control through each oil cylinder of each top and bottom translation mechanism so that the oblique shear steel plate connected to the electromagnet on the corresponding oil cylinder is translated and docked on the shear steel plate of the constructed steel plate shear wall; and welding the docking seam. The invention can realize the installation of the oblique shear steel plate of the core tube.

This invention discloses a method for determining the horizontal misalignment between segments during the construction of prefabricated caissons, comprising: obtaining the unit weight γ of each soil layer. i The thickness h of each soil layer i The internal friction angle of soil layer i on the outer sidewall of the caisson and the cohesion c of each soil layer. i ; Calculate the active earth pressure coefficient K of each soil layer based on the internal friction angle of soil layer i on the outer sidewall of the caisson. ai ; Calculate the earth pressure intensity p at the top of the upper segment above the bolt. au1 Earth pressure intensity p at the bottom of the upper segment of the bolt au2 Earth pressure intensity p of the lower segment ad Based on the earth pressure strength p of the upper segment of the bolt. au Earth pressure strength p of the lower segment ad Calculation of the height L of a single segment and the force V exerted by the bolts on the upper segment. au The force V acting on the lower segment by the bolts ad According to the force V exerted by the bolt on the upper segment au The force V acting on the lower segment by the bolts ad Calculate the uniformly distributed load q on the bolt; calculate the horizontal misalignment w between the segment rings based on the uniformly distributed load q on the bolt. This enables accurate measurement of the horizontal misalignment between the segment rings.