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

The invention discloses a rotary excavating pile construction method for a karst cave dense area capable of preventing water and soil loss. According to the real-time monitoring system, the sensor is installed on the drill bit, various data such as the drill bit position, the drilling speed and the hole wall stability in the drilling process are collected in real time, and real-time feedback is provided for construction. By means of the system, constructors can know the drilling state in time, drilling parameters are adjusted in real time through data analysis, and the drilling process is optimized. By means of real-time monitoring and adjusting, the construction efficiency is improved, risks caused by geological condition changes are greatly reduced, and the safety of the construction process and the drilling accuracy are guaranteed. According to the self-adaptive slurry injection system, the flow and pressure of slurry can be automatically adjusted according to real-time monitoring data, especially when a karst cave or an easily-collapsed hole section is encountered, the system can automatically increase the slurry injection amount so as to maintain the stability of a hole wall, the construction efficiency is improved, and the construction cost is reduced.

The invention relates to an intelligent construction system for controlling over-break and under-break in tunnel blasting, and aims to systematically solve the problems of over-break and under-break and under-break caused by blasting in tunnel construction by fusing an advanced intelligent control technology, a data analysis algorithm and a real-time monitoring means. The system is composed of a blasting parameter setting module, a real-time monitoring module, a data analysis and feedback module and an automatic adjustment module. By means of multi-dimensional real-time monitoring of the blasting process and combination of advanced data analysis methods such as machine learning, blasting parameters are dynamically optimized, accurate control over the blasting effect is achieved, safety and economical efficiency of tunnel construction are guaranteed, and the method is suitable for tunnel engineering under various geological conditions.

The utility model relates to the technical field of mechanical anchor bolts, and discloses a pneumatic mechanical anchor bolt sleeve knocking mechanism which comprises a pneumatic knocking mechanism body, a pushing mechanism is arranged outside the pneumatic knocking mechanism body, the pneumatic knocking mechanism body comprises an air inlet connector, and a rear end cover is installed on the inner side of the air inlet connector. A knocking core is fixedly connected to the top of the rear end cover, a knocking sleeve is installed outside the knocking core, an anti-disengaging spring is fixedly connected to the top of the knocking sleeve, a knocking head is fixedly connected to the top of the knocking sleeve, a rear fixing base is fixedly connected to the bottom of the air inlet connector, and a front fixing base is connected to the outside of the knocking sleeve in a sleeving mode. According to the pneumatic mechanical anchor bolt sleeve knocking mechanism, the anchor bolt sleeve is clamped in a concrete hole through the pneumatic knocking mechanism, the operation of knocking and installing the anchor bolt sleeve is completed, and the effects that automatic operation is achieved, manual operation is replaced to execute high-altitude bolt planting operation, efficiency is improved, and construction accidents are reduced are achieved.

According to the augmented reality fusion urban underground pipeline three-dimensional visualization method, calculation of internal and external parameters of a camera in an augmented reality fusion system and a three-dimensional tracking registration scheme of the augmented reality fusion system are provided, an underground pipeline visualization system based on augmented reality is constructed, virtual underground pipelines are directly displayed on a construction site scene in an overlapping mode, and the construction efficiency is improved. And fusion of the virtual pipeline and the real scene is realized. A user can correspond a construction site to spatial position information, such as position and depth, of the urban three-dimensional underground pipeline, the depth information of the pipeline in a real environment can be clearly sensed while a virtual-real superposition effect is obtained, and the understanding of the user to the pipeline and the surrounding environment is improved; in addition, the enhanced virtual-real fusion system can interact with a user, so that on-site constructors can understand information such as spatial distribution and shielding relation of underground pipelines, and meanwhile, the user can query various data such as attribution, flow and production places of the pipelines and real images of the pipelines.

The invention discloses a pipe jacking construction device and a construction technology thereof, and relates to the technical field of pipeline construction, the pipe jacking construction device comprises a starting well, a backrest is fixedly connected to the inner wall of the left side of the starting well, an oil cylinder is fixedly connected to the right side of the backrest, a supporting frame is fixedly connected between the oil cylinder and the inner bottom wall of the starting well, and a grading ring is fixedly connected to the output end of the oil cylinder; the device further comprises an adaptive bearing auxiliary mechanism and a pipe jacking deviation testing mechanism, through the arrangement of the adaptive bearing auxiliary mechanism, according to the difference of geological conditions, construction conditions and engineering requirements of different starting wells, gaps between different transversely-arranged arc-shaped bottom supporting plates can be effectively adjusted so as to adapt to and support construction pipelines of different specifications, and the working efficiency is improved. Therefore, the whole supporting system does not need to be replaced, the flexibility and efficiency of construction are greatly improved, the matched arc-shaped bottom supporting plate can be more tightly attached to the surface of the pipeline, more uniform supporting force is provided, shaking and deviation of the pipeline in the moving process are reduced, and therefore the supporting stability is enhanced.

The present application relates to the technical field of house building, and especially to a new secondary structure corner horn, which comprises a wall, a main and secondary beam, a construction column template, a funnel pouring opening, a receiving box and a plurality of opposite pull bolts, the construction column template is connected with the wall through the opposite pull bolts, the top of the funnel pouring opening is overlapped on the bottom of the main and secondary beam, a through slot is formed in one side of the construction column template, and a closable opening is formed in one side and the bottom of the funnel pouring opening. The pouring concrete enters the inside of the construction column template through the closable opening in one side of the funnel pouring opening, and the construction column is built. When the position of the construction column is located at the joint position of the main and secondary beam, the funnel pouring opening does not need to be lowered, which is beneficial to avoid the exposure of the construction column reinforcement, and the concrete excess material is discharged from the closable opening in the bottom template, so that the effect of recycling the concrete excess material in the horn is achieved.

The invention relates to the technical field of transmission line construction transportation, in particular to a transportation device for a transmission line matched cableway system. The automatic loading and unloading vehicle comprises a vehicle body device, a wheel train device and a rail device, the wheel train device is installed on the vehicle body device, a loading and unloading device is further installed on the vehicle body device and controls the vehicle body device to automatically load and unload goods, and the wheel train device comprises main wheels and supporting wheels. The vehicle body device is used for storing materials, construction garbage and the like, the wheel train device is used for driving the vehicle body device to move to transport the materials and the construction garbage, the rail device facilitates relying transportation of the vehicle body device and the wheel train device, and transportation is conducted through a planned route. Materials and construction waste in the vehicle body device can be conveniently and automatically dumped out through the loading and unloading device, the unloading time is shortened, the conveying continuity and the construction efficiency are improved, the main wheels are used for running on the ground, the supporting wheels are used for running on the rail device, different conveying scenes can be conveniently switched, and the application range is widened.

The invention discloses a pile foundation rotary excavating method. The method comprises the following steps: placing a rotary drilling rig in a construction site; a rotary drilling rig is used for drilling; descending the steel casing to a certain depth underground; a drilling machine is started in the steel casing, and soil is taken to the bottom of the casing; a slurry protection wall is formed through grouting; according to design requirements, soil taking drilling, slurry supplementing and soil taking hole forming are carried out; the thickness of sediment in the hole is checked regularly; a pre-manufactured reinforcement cage is hung in the hole; the thickness of the sediment in the hole is checked again, and the sediment in the hole is removed; a guide pipe is hung in the hole and used for follow-up concrete pouring; checking the internal condition of the catheter, and removing sundries in the catheter; a hole cleaning cap is installed at the top end of the guide pipe and used for controlling slurry discharge in the concrete pouring process. Hole bottom slurry is discharged through grouting; secondary hole cleaning is carried out before concrete pouring; starting to pour concrete, and pouring layer by layer according to design requirements; and after concrete pouring is completed, the steel casing is slowly pulled out, and a complete pile foundation structure is formed.

The present invention discloses a construction site hazard source identification system and method based on unmanned aerial vehicles, and relates to the technical field of building construction. The construction site hazard source identification system includes a construction data acquisition module, a hazard source identification module, a risk prediction module and a risk warning module; the construction data acquisition module is used to collect remote sensing image data of the construction site using an unmanned aerial vehicle group equipped with remote sensing equipment; the hazard source identification module is used to identify the hazard sources at the construction site based on the hazard source characteristics; the risk prediction module is used to classify the identified hazard sources and predict the probability of occurrence of hazard sources at different levels. The present invention analyzes the human body motion trajectory through optical flow technology and pyramid model, can accurately track and analyze the specific movement path and behavior pattern of personnel at the construction site, and by comparing the actual behavior trajectory with the preset safety distance, can judge whether the personnel have entered the dangerous area to provide effective safety warnings.

The present application relates to a shale reservoir formation pore pressure logging prediction method based on improved Bowers equation, comprising: combining Bowers equation, establishing a sound wave velocity response equation considering the influence of density and organic matter content; soaking experiment is carried out on rock sample, and based on acoustic travel time, density, deep and shallow resistivity in logging data, the formation acoustic velocity and density corrected by hydration are obtained; based on the sound wave velocity and density of the original formation corrected by hydration, the Bowers equation of the research formation is obtained; the Bowers equation of the research formation is modified to obtain the improved Bowers equation of the research formation; based on the improved Bowers equation, the formation effective stress and vertical stress are calculated; based on the formation effective stress and vertical stress, the formation pore pressure of the research formation is calculated. The modified Bowers formation pore pressure prediction model established in the present application has obviously improved prediction accuracy, which is beneficial to reduce the occurrence of construction accidents and reduce the development cost.

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 belongs to the technical field of hoisting devices, and particularly relates to a safe hoisting device for steel structure engineering construction. Comprising a supporting hanging plate, symmetrical first connecting seats are hinged to the supporting hanging plate, first telescopic rods are fixedly connected to the first connecting seats, second connecting seats are fixedly connected to the telescopic ends of the first telescopic rods, fixed rods are hinged to the second connecting seats, hanging hooks are hinged to the fixed rods, symmetrical connecting ropes are fixedly connected to a sliding frame, and the sliding frame is fixedly connected with a sliding rod. The symmetrical connecting ropes are jointly and fixedly connected with a square plate, the square plate is slidably connected with four L-shaped connecting plates, and the L-shaped connecting plates located on the same side of the I-shaped steel are jointly and fixedly connected with a supporting plate. The lifting hooks are matched with the lifting lugs, meanwhile, the supporting plates are used for providing part of upward supporting force for the I-shaped steel, the pulling force borne by the welding positions between the lifting lugs and the I-shaped steel is reduced, and the safety of the I-shaped steel in the lifting process is further improved.

The invention relates to the technical field of water conservancy and hydropower engineering construction, and provides a special-shaped section bidirectional hydraulic self-elevating type creeping formwork system and a creeping formwork method thereof. Compared with construction of an ultra-deep (high) shaft type special-shaped section mass concrete structure, the construction scheme of a slip form, an ultra-high scaffold loose form or a customized turnover form of the structure is conventionally adopted; a special-shaped-section bidirectional hydraulic self-elevating type creeping formwork method is adopted, concrete pouring slump control is facilitated, the formwork can be lifted after it is determined that concrete meets the strength requirement, the safety coefficient of formwork lifting is overall improved, and the requirement for concrete strength and formwork lifting time precision control is lowered; the operation platform is hung on the self-climbing template, so that the erection of an ultrahigh bent frame can be avoided, the number of hoisting machinery is reduced, the construction efficiency is improved to a great extent, and the economic benefit is good; each group of creeping formworks of the inner wall and the outer wall can climb independently, safety and stability in the construction process can be guaranteed, the possibility of construction accidents is reduced, and the safety coefficient is high.

This invention discloses a pole straightening device for power grid erection, applicable in the field of power equipment erection. The key technical features are: the lifting mechanism includes a lifting auxiliary component and bearings; a limit groove is provided on the left side of the lifting auxiliary component; a drive motor is installed at the top of the lifting auxiliary component; and the output end of the drive motor passes through the top of the lifting auxiliary component and is fixedly connected to a threaded rod via a coupling. The technical advantages are: by movably connecting the outer wall of the round rod to the U-shaped block, firstly, during the clamping process of the erection pole, it is convenient to place two semi-circular parts on the outer wall of the erection pole for clamping; secondly, as the U-shaped block rises under the action of the lifting block, the erection pole can also rotate around the round rod under the influence of gravity. With the cooperation of the lifting mechanism and the clamping mechanism, not only is straightening achieved, but the clamping effect is also more stable, less prone to swaying and shaking, greatly reducing the risk of slippage, minimizing construction accidents, and ensuring high safety.

The utility model relates to the technical field of pneumatic mechanical anchor bolts, and discloses a pneumatic mechanical anchor bolt planting mechanism which comprises a height adjusting mechanism, an anchor bolt planting mechanism is arranged at one end of the height adjusting mechanism, the height adjusting mechanism comprises a height adjusting air cylinder, the top of the height adjusting air cylinder is fixedly connected with a first base, and the first base is fixedly connected with a second base. The pneumatic mechanical anchor bolt planting mechanism comprises a first base, a first guide rail is fixedly connected to the inner side of the first base, an operation air cylinder is fixedly connected to the top of the first base, a second base is fixedly connected to the top of the operation air cylinder, a second guide rail is fixedly connected to the inner side of the second base, and an auxiliary air cylinder is fixedly connected to the top of the second base. And through the height adjusting mechanism, the lifting is more stable and accurate when the mechanical anchor bolt is installed at a high position in a layer-by-layer progressive lifting mode, and the effects that automatic operation is achieved, manual execution of high-altitude bolt planting operation is replaced, efficiency is improved, and construction accidents are reduced are achieved.