2541 results about "House building" patented technology

The invention discloses a spatial matching method and system based on natural resource monitoring and demographic data, and the method comprises the steps: obtaining residential land and house building data in regional natural resource survey monitoring data, employing a spatial position and attribute matching technology, and combining a random forest algorithm to carry out the spatial matching of the residential land and the house building, thereby achieving the spatial matching of the residential land and the house building. Extracting residential building pattern spots and attribute information thereof; establishing attribute feature mapping between a residential building pattern spot level scale and an administrative division unit scale, and converting administrative division demographic data to residential building pattern spots by using a random forest hyper-parameter search method; further integrating multi-source data in the natural resource survey monitoring data, constructing a population geographic blot index taking a water area as a mask, and correcting the population of the residential building; and finally, calculating a population distribution fitting coefficient, iteratively correcting a population distribution error, and realizing spatial accurate matching of the residential building and population distribution through a partition adjustment strategy.

The invention relates to a house building construction stage carbon emission dynamic estimation method and system based on full life cycle data, and the method comprises the steps: dividing a construction region based on a BIM model, laying a multi-source sensor network, fusing static BIM data and a dynamic Internet of Things monitoring flow, building a four-dimensional space-time label data set, and carrying out the construction stage carbon emission dynamic estimation based on a double-layer dynamic correction model. Kalman filtering is utilized to eliminate instantaneous interference, LSTM transfer learning is combined to predict mechanical efficiency attenuation, a dynamic correction coefficient matrix of a mechanical aging rate, operator skills and environmental factors is embedded, and a carbon emission value is calibrated in real time; when abnormal emission is detected, a key pollution source is traced and positioned through a graph neural network, a three-dimensional thermodynamic diagram is generated in the digital twinborn model, and component-level carbon flow analysis and early warning are performed, so that the carbon emission estimation precision is remarkably improved, the abnormal traceability time consumption is shortened, and the timeliness is remarkably improved.

The invention belongs to the technical field of intelligent construction, and provides an intelligent arrangement system and method for building construction engineering formwork supporting frames. A data input module; the intelligent arrangement algorithm module is used for analyzing the stress condition of the building structure, determining the position and the number of supporting points, selecting the type and the specification of a supporting frame and optimizing the position of the supporting frame; the three-dimensional simulation module is used for generating a three-dimensional model of the template support frame, simulating the mounting process of the support frame and evaluating the stability and safety of the support frame; the safety checking module is used for performing static analysis and dynamic analysis on the three-dimensional model of the support frame; the real-time monitoring module is used for monitoring the stress, deformation and inclination conditions of the supporting frame in real time; by integrating an intelligent algorithm, real-time dynamic analysis and a three-dimensional simulation technology, the design and layout of the formwork supporting frame are optimized, the construction efficiency and safety are improved, and efficient utilization of resources is achieved.

The invention discloses a house building construction dust removal device which is applied to the technical field of house building construction and comprises a dust removal mechanism, the dust removal mechanism comprises a shell assembly, and when the house building construction dust removal device is used, the device is preferentially placed on a needed platform. And when spraying dust removal needs to be carried out in a near range, rotation of an adjusting ring is achieved by rotating a rotary knob, and the angle of a spray head can be adjusted. The angle of the spray head can be adjusted and changed, so that the range of the device is changed, the diameter of a sprayed cylinder is expanded, and the spray head is adjusted to be in a state of gathering towards the center when the fan blades need to be matched for remote spraying subsequently, so that the spray head can be matched with air blowing of the fan blades for spraying. Through the arrangement, different use angles of the spray head can be expanded to achieve different spraying effects, so that the use flexibility of the dust removal device is improved, and the use limitation is reduced.

This application relates to the field of communication device technologies, and provides a wireless router and a control method thereof, to resolve a problem of how to improve application universality of the wireless router. The wireless router includes an omnidirectional antenna, a directional antenna, and a driving apparatus. The driving apparatus is connected to the directional antenna, the driving apparatus is configured to drive the directional antenna to rotate, so that a beam direction of the directional antenna coincides with a direction of a target beam in a beam lookup table, and the target beam is capable of covering a target device. The beam lookup table includes a set formed by beams when the directional antenna rotates to a plurality of different orientations under driving of the driving apparatus. The wireless router provided in this application is used for wireless coverage of a house building.

The utility model discloses a building construction accumulated water removing environmental protection device, which relates to the technical field of building construction, and comprises a water pumping pipe, one end of the water pumping pipe is fixedly connected with a spiral thread, the surface of the spiral thread is in threaded connection with an isolation ball, and the surface of the isolation ball is fixedly connected with a filter screen. A water suction pump is fixedly connected to one end of the water suction pipe, a damping structure is fixedly connected to the bottom of the water suction pump, and a water storage barrel is fixedly connected to one side of the top of the damping structure; through the arrangement of the spiral thread, the isolation ball and the filter screen, soil can be prevented from being sucked into the water suction pump during use, so that the water suction pipe is prevented from being blocked by the soil, the accumulated water removing efficiency is improved, and the practicability of the device is greatly enhanced; through the arrangement of the water conveying pipe, the atomizer and the water spraying opening, dust falling treatment can be conducted on a construction site during use, so that dust is prevented from floating in air and being sucked into a respiratory tract, pollution to the environment is relieved, and the use effect of the device is improved.

The invention discloses a house building construction energy-saving method under a green building concept. According to the invention, through integrated arrangement of the intelligent building system, the method can realize efficient operation of the building and optimization of energy management. Due to the integration of the intelligent lighting system and the intelligent temperature control system, the building can be automatically adjusted according to natural lighting conditions and indoor environment, and therefore dependence on traditional energy is remarkably reduced. And the big data analysis module can identify the energy-saving potential and formulate an optimization control strategy by collecting and analyzing the building operation data, so that the energy consumption is further reduced. Establishment of a long-term monitoring system is helpful for continuously optimizing energy-saving measures, and regular green performance evaluation can ensure that the building always reaches an expected energy-saving standard. The intelligent level of the building is improved, and long-term energy conservation and environmental protection targets of the building are achieved through continuous data analysis and optimization adjustment.

The invention relates to the technical field of cable pre-burying in wall manufacturing, in particular to building construction house building wall pre-burying construction equipment. According to the technical scheme, the wall body base is used for wall body pouring, the embedded steel bars, the formworks and the embedded wire pipes are used for cable threading, the formworks are fixed to the two sides of the upper end of the wall body base, the embedded steel bars are fixed to the upper end of the wall body base and located between the formworks, and the embedded wire pipes are fixed to the inner sides of the formworks through wire pipe fixing pieces. A dismounting and mounting assembly is arranged between the line pipe fixing piece and the formwork, and end frames are fixed to the two ends of the pre-embedded line pipe. Before the wall body between the formworks is poured, the pre-embedded wire pipe can be stably fixed to the designated position between the formworks, grooving is not needed again for wire harness laying after a building is completed, the depth of the pre-embedded wire pipe in the wall body can be freely adjusted on the premise that the stability during concrete pouring is guaranteed, and the construction efficiency is improved. And embedded steel bars in the wall body can be better avoided.

The invention relates to the technical field of house buildings, in particular to a novel house building which comprises a house body, the outer wall of the house body is fixedly connected with a rainwater collecting groove, and a plurality of water flowing grooves are formed in the roof of the house body; and the rainwater filtering mechanism is arranged outside the house body and used for filtering rainwater. Through the arranged rainwater filtering mechanism, rainwater falling on a roof can be filtered, large impurities and dirt can be intercepted, it is ensured that stored or discharged rainwater is relatively clean, through a cleaning assembly in the rainwater filtering mechanism, a first filtering plate for filtering the rainwater can be cleaned, blocking of the first filtering plate can be prevented, and in heavy rain, the first filtering plate can be prevented from being blocked. The rainwater filtering mechanism has limited capability of treating rainwater, and the auxiliary drainage mechanism assists in drainage, so that the rainwater cannot be accumulated in the rainwater collecting tank for a long time, and the possible water accumulation condition is avoided.

The invention relates to the technical field of reinforcing steel bar welding equipment, and discloses reinforcing steel bar part welding auxiliary equipment for house building construction, which comprises a supporting table, sliding seats are slidably arranged on two sides of the top of the supporting table, a welding mechanism is arranged on one side of a fixed seat, and supporting arc plates are arranged on the inner sides of the sliding seats. A notch is formed in the top of the supporting arc plate. Horizontal positioning is provided through the positioning plate when the reinforcing steel bars are placed on the supporting arc plate, the positioning plate is matched with the limiting plate to center and clamp the reinforcing steel bars, the positioning plate is matched with the sliding seat to move and move away after clamping is completed, convenience is improved, and meanwhile the precision of the follow-up reinforcing steel bar butt joint position is guaranteed; the welding mechanism rotates and is matched with the gear set and the transmission shaft to drive the supporting arc plate to rotate reversely, so that a worker only operates the welding mechanism, the reinforcing steel bar rotates relative to the welding mechanism under the condition that the welding distance of the welding mechanism is rated, and the welding quality of the semi-automatic welding equipment is guaranteed.

The invention belongs to the technical field of construction waste treatment, and discloses a construction waste crushing treatment device for house building construction. Comprising a crusher body and a base; the top end of the base is fixedly connected with a conveying frame through multiple sets of elastic sheet plates. The feeding end of the conveying frame communicates with the discharging end of the pulverizer body through a hose. A strong magnetic roller is installed in the conveying frame, a driving mechanism is installed between the base and the conveying frame, and materials in the conveying frame are conveyed in a vibrating mode through matched use of the driving mechanism and an elastic piece plate. A shifting mechanism is mounted between the base and the conveying frame, and metal fragments adsorbed on the strong magnetic roller are shifted to one side of the conveying frame through the shifting mechanism; according to the device, metal fragments adsorbed on the strong magnetic roller can be effectively removed, and the metal removal efficiency and accuracy are improved.

The utility model relates to the technical field of housing construction engineering, and discloses a housing construction engineering positioning and measuring device which comprises a supporting table, a supporting rod is movably connected in the supporting table in a penetrating mode, a measuring instrument is fixedly connected to the upper end of the supporting rod, and a supporting mechanism is arranged on the lower surface of the supporting table. A rack is fixedly connected to the left side surface of the supporting rod, and an adjusting mechanism is arranged on the upper surface of the supporting table and located on the left side of the supporting rod. According to the utility model, in the aspect of height adjustment, through the linkage design of the supporting rod and the rack and the combination of a mechanical locking mechanism of the gear, the ratchet wheel and the pawl, stepless precise adjustment of the measuring instrument is realized, and the motor fault risk and power consumption are avoided; in addition, the rotating rod can be locked through the positioning bolt after adjustment is completed, accidental displacement of the measuring instrument is prevented, and the reliability of the device is further improved. According to the design, through a pure mechanical structure, the height adjusting process is simplified, the maintenance cost is reduced, and the device is particularly suitable for engineering scenes in a power-free environment.

The invention discloses a house building wall body structure, and aims to provide a multi-section stacking type heat preservation building wall body structure which is good in heat preservation effect, high in practicability, convenient to install and capable of dynamically adjusting the interior of a wall body within a certain range, and according to the technical scheme, the multi-section stacking type heat preservation building wall body structure is characterized in that a plurality of modular heat preservation units are formed by arranging a plurality of heat preservation units; an adjustable mechanism is arranged in each heat preservation unit to dynamically adjust the structure in the heat preservation wall body, and meanwhile, multiple layers of heat insulation plates are arranged in each heat preservation unit, so that the comprehensive heat preservation performance of the wall body is remarkably improved; and the longitudinally-stacked heat preservation units are rigidly connected with the supporting keels and the first / second vertical rotating shafts to form a barrier for heat insulation, the more uniform heat preservation effect is achieved, and the heat preservation structure is suitable for the technical field of house wall construction.

The utility model relates to the technical field of house building construction equipment, and discloses a spraying device with protective measures for a fixed climbing frame, the spraying device comprises a climbing frame body and a spraying water supply pipe, the climbing frame body is composed of two vertical side rods arranged in parallel and a plurality of transverse frames connected between the two side rods at equal intervals; strip-shaped grooves are integrally formed in the opposite outer side faces of the two side rods in the length direction of the side rods, the spraying water supply pipes are embedded in the strip-shaped grooves in a matched mode, a plurality of spray head assemblies are installed on the faces, facing openings of the strip-shaped grooves, of the spraying water supply pipes in the length direction in a communicating mode, and telescopic atomization spray heads are installed in the spray head assemblies. According to the utility model, the situation of water leakage caused by accidental friction and collision due to exposed arrangement of the spraying water supply pipe can be effectively prevented; meanwhile, the atomization nozzle is installed in the nozzle assembly in a telescopic mode, and the atomization nozzle can be effectively protected.

The utility model provides a house building frame column formwork reinforcing device. The house building frame column formwork reinforcing device comprises a supporting back plate, a first reinforcing assembly, a second reinforcing assembly and a third reinforcing assembly. A lifting mechanism is arranged on the supporting back plate, and a first reinforcing assembly is arranged on one side of the lifting mechanism. The two ends of the first reinforcing assembly are slidably connected with a set of second reinforcing assemblies. Each second reinforcing assembly comprises a plurality of second reinforcing rods, and a plurality of telescopic connecting rods are slidably connected between any two adjacent second reinforcing rods. A third reinforcing assembly is inserted into the end, away from the first reinforcing assembly, between the two second reinforcing assemblies. A frame structure is defined by the first reinforcing assembly, the second reinforcing assembly and the third reinforcing assembly and used for reinforcing the frame column formwork. The two ends, connected with the third reinforcing assembly, of the second reinforcing assembly are provided with extrusion mechanisms. According to the utility model, the construction efficiency is improved, and the applicability of the device is greatly improved.

The invention discloses a multi-dimensional analysis house building health monitoring and early warning system and method, and relates to the technical field of monitoring and early warning. During operation of the system, various sensors are deployed to monitor the physical states of different materials in a building, collect surrounding environment data and transmit the data to a central processing unit in real time, and through a data fusion algorithm, real-time monitoring and early warning are achieved; the method comprises the following steps: integrating sensor data from different materials into a unified data set, preprocessing and normalizing the data, constructing a multi-material interaction mathematical model, calculating an effective stress sigma eff of a building structure, constructing a building overall health assessment model, and calculating a building health comprehensive index HI; according to the building health comprehensive index HI and the comparison result of the health index of each material and the safety threshold value, the health change of the building is detected in real time, an intelligent decision support system is provided, and building management personnel are helped to carry out long-term maintenance planning and resource optimization distribution.

The invention relates to the technical field of civil engineering construction, and discloses a house building underground drainage device and a construction technology thereof, the house building underground drainage device comprises a sedimentation tank, a first conveying pipe is arranged at the input end of the sedimentation tank; the input ends of the multiple treatment ponds are connected with the output end of the sedimentation tank through a second conveying pipe, multiple limiting columns in the vertical direction are arranged in the treatment ponds, the peripheral sides of the limiting columns are movably sleeved with carrier frame assemblies, the carrier frame assemblies are used for attaching microorganisms to form biological membranes, and aeration devices are arranged in the treatment ponds. The aeration device is positioned below the carrier frame assembly and is used for providing oxygen for the microorganisms; the input end of the filter tank is connected with the output ends of the plurality of treatment tanks through a third conveying pipe, and the filter tank is used for treating suspended matters and microorganisms in the domestic sewage. In addition, the invention further discloses a construction technology of the house building underground drainage device. According to the invention, sewage generated in the house building construction process can be treated, and the sewage can be discharged after meeting the discharge standard.

The invention discloses a code assigning system and a code assigning method based on a unified house building coding standard, and the method comprises the steps: S1, a calling party sends a code assigning request to the system, and calls a standardized code assigning engine module; s2, strictly verifying fields required to be filled of the incoming data by the system to ensure that the fields are complete and meet format requirements, and regenerating a shared code during calling each time; s3, querying whether the unique Hash value of the graphic information exists or not; s4, after the effective code value is obtained, a related data interface is called for processing according to the service logic, and if the processing is successful, success information is returned; and if the processing fails, recording an error and returning detailed failure information. According to the scheme, the problem of data management caused by inconsistent house building data codes is solved.

The invention discloses a housing construction elevator safety protection device, and relates to the technical field of elevators, the housing construction elevator safety protection device comprises a lifting mechanism, an auxiliary mechanism comprises an L-shaped block, one side of the L-shaped block is provided with an electric cylinder, the surface of a limiting block is connected with a buffer pad in a bonding manner, and a rotating rod is rotatably connected between the interiors of two single-hole blocks through a bearing. A toothed plate is fixed into each rectangular groove, and a plurality of gears fixedly sleeve the outer surface of each rotating rod. By arranging the auxiliary mechanism, when a building construction elevator breaks down during use, a lift car rapidly falls down and a speed governor cannot be normally used, a brake can be started, the speed governor cannot be normally used, so that the safety of the building construction elevator is improved, and the safety of the building construction elevator is improved. According to the safety protection device for the house building construction elevator, the speed of the elevator car can be reduced until the elevator car falls down rapidly, namely, the safety protection performance of the house building construction elevator is improved again to a certain extent, the using effect of the safety protection device for the house building construction elevator is improved, and meanwhile the using efficiency of the safety protection device for the house building construction elevator is also improved.

The invention provides an intelligent dispatching and remote control method for a tower crane, which is applied to the field of fabricated house building construction and engineering equipment and aims to solve the problems of difficulty in dispatching the tower crane, low construction efficiency, severe operation environment and high safety risk in a clustered fabricated building. The method comprises the following steps: S1, constructing a distributed system architecture comprising a physical layer, a sensing control layer, a data processing decision layer, an application layer and a communication layer, and deploying equipment; s2, collecting environment, tower crane state and BIM model related multi-source data, and transmitting the data to a data fusion processing center for fusion; s3, planning an optimal hoisting path and a task sequence through the intelligent scheduling subsystem based on an ant colony algorithm; s4, a control mode is selected, a hoisting instruction is issued to execute a task, and forced braking is triggered in emergency; and S5, mapping a construction scene through a digital twin system, monitoring and alarming through an intelligent monitoring system, feeding back data to realize closed-loop optimization, and recording a digital file. According to the method, tower crane dispatching and construction efficiency is improved, construction safety is guaranteed, and intelligent construction of the fabricated building is promoted.

The invention relates to the technical field of house construction, in particular to a robot integrating multi-mode scene recognition and automatic surveying and mapping functions and a method thereof. Comprising an execution module, a decision module, a sensing module, a data processing module and a voice module. The execution module is used for driving the robot to move; the decision module is used for controlling work of the execution module; the sensing module is used for detecting the environment on the outer side; the data processing module is used for processing the data detected by the sensing module; and the voice module is used for receiving external voice and playing a processing result through the voice. According to the robot integrating the multi-modal scene recognition and automatic surveying and mapping functions and the method thereof, the defects in the aspects of verification speed, precision, automation degree and the like in the prior art can be overcome, and through the combination of the robot, three-dimensional reconstruction and a CAD model comparison technology, the accuracy of verification is improved. A more efficient, accurate and intelligent building surveying and mapping verification system is constructed, so that the surveying and mapping efficiency and quality of building engineering are improved.

The application relates to the field of house building construction foundation support, in particular to a house building construction foundation support device and a use method thereof. The device comprises a support mechanism, the support mechanism comprises a plurality of support plates for supporting the side wall of the foundation and capable of being adjusted in left and right positions, the positions of the support plates are adjusted so that the protrusions on the side wall of the foundation are located between two adjacent support plates; a fixing mechanism arranged at the upper end of the support mechanism; a positioning mechanism arranged at the lower end of the support mechanism, the lower end of the positioning mechanism is installed on the ground; an adjusting mechanism for adjusting the angle of the support plate, one end of the adjusting mechanism is connected with the support plate, and the other end is connected with the ground. The device has the advantages that the support plates on the support mechanism can be adjusted in left and right positions, the protrusions on the side wall of the foundation can be prevented from contacting the support plates, the support plates can be more closely combined with the side wall of the foundation, and the support effect is improved.

The invention relates to the technical field of house building safety assessment, in particular to a house building safety assessment method and system based on data processing, and the method comprises the steps: carrying out the grid division of a to-be-detected region, and collecting a plurality of house buildings in any grid region and the actual house data corresponding to any house building; analyzing any actual house data to determine the safety of any house building; analyzing the actual house data corresponding to the house building adjacent to any house building to determine the safety of the adjacent house building; determining the actual safety of any actual house building based on the single house safety and the adjacent safety; and judging abnormal houses in any grid area based on a plurality of actual safety, determining the safety of the area houses based on the distribution condition of the abnormal houses in any grid area, and adjusting a grid division result based on the abnormal number of the abnormal houses in any grid area. According to the invention, the accuracy of house building safety assessment is improved.

The invention discloses a handheld laser radar scanner and an application method of the handheld laser radar scanner in rural house surveying and mapping, and aims to solve the problems of low efficiency, poor precision and insufficient environmental adaptability of traditional surveying and mapping. The equipment integrates a multi-line laser radar, an inertial navigation system (INS), a multispectral imaging unit and an edge calculation module, and realizes three-dimensional reconstruction through a dynamic scanning strategy and an intelligent point cloud fusion algorithm. The core innovation comprises: 1, a multi-modal data fusion technology: laser point cloud and a multi-spectral image cooperate to identify physical characteristics of rural house building materials (such as rammed earth and wood); the narrow space is optimally designed, the size of the device is smaller than or equal to 15 cm * 8 cm * 5 cm, one-hand operation is supported, and indoor collision is avoided through a built-in anti-collision sensor; and 3, a farm house special algorithm library which comprises a roof inclination angle calculation module, a crack detection module and a structure safety evaluation module. Actual measurement shows that the equipment can still realize + / -2cm absolute precision in a GNSS signal-free environment, the surveying and mapping of 200m < 2 > rural houses can be completed in only 20 minutes through one-time operation, and the efficiency is improved by 5 times compared with that of a traditional total station.

The utility model relates to the related technical field of building construction, in particular to a house building construction dust removal device which comprises a device body, and a dust collection mechanism is arranged on the surface of the device body. According to the dust collection device for house building construction, through the arrangement of the dust collection mechanism, when dust collection is conducted, the device is firstly conveyed to a designated position through rolling wheels, then a suction fan is started, the suction fan sucks and exhausts air in a cavity through a connecting hole, negative pressure is generated, then external air enters the cavity through a dust collection pipe and a connecting pipe, and dust collection is conducted. In the process, dust generated on the construction site is sucked into the cavity along with airflow and then collected by the collecting box, in order to enable the dust collection effect to be better, a motor is started, the motor drives a second gear to rotate, then the second gear and a first gear rotate in an engaged mode, then the first gear drives a dust collection pipe to rotate, and therefore the dust collection pipe rotates to collect dust; the dust collection range of the dust removal device is effectively expanded, and the dust removal effect is improved.

The invention relates to the field of building construction, in particular to house building concrete body pouring equipment which comprises a bottom plate and a top plate, the bottom plate and the top plate are fixedly connected through fixing rods, walking wheels are distributed at the four corners of the bottom of the bottom plate, a stirring barrel is fixedly arranged on the top plate, and a feeding barrel is fixedly arranged at the bottom of the top plate through a mounting frame; the bottom of the stirring barrel is communicated with a feeding barrel through a discharging pipe, a feeding pipe is arranged at the discharging end of the feeding barrel, a lifting assembly is arranged at the upper end of the top plate and connected with a discharging assembly, and a scraping assembly is arranged on the bottom plate. The discharging radius can be adjusted when concrete is discharged, in cooperation with the reciprocating swing process of the discharging transverse pipe, the concrete pouring area range is effectively increased, the pouring efficiency is greatly improved, meanwhile, the pouring height can be adjusted according to the thickness of concrete aggregate, and the pouring efficiency is improved. The condition that coarse aggregate is settled and separated due to an over-high concrete pouring point is avoided.

The utility model discloses a house building prefabricated part transfer device, and relates to the technical field of transportation devices. The device comprises a bottom plate, a pressing assembly used for abutting against and limiting a prefabricated part is arranged at the right end of the bottom plate, an adjusting assembly used for controlling the pressing assembly to move is arranged at the bottom of the bottom plate, and a supporting plate is fixedly connected to the left end of the bottom plate. The surface of the supporting plate is provided with an interval supporting assembly used for separating the upper and lower adjacent layers of prefabricated parts, the left side face of the supporting plate is provided with a positioning assembly used for limiting the interval supporting assembly, the adjusting assembly comprises a motor, and the motor is fixedly installed on the bottom face of the bottom plate; during use, the effect of conveniently stacking and transferring the prefabricated parts is achieved, the prefabricated parts can be effectively limited in the transferring process, the situation that the prefabricated parts slide down or are damaged due to bumpy roads is avoided, and practicability is good.

The utility model relates to the technical field of building steel detection, and discloses a building steel strength detection device for house building, which is characterized in that a detection positioning component is arranged at the upper end of a bracket of a support bottom frame, and a lifting brake component for driving a lifting screw rod is arranged at the top end of a bracket of a support top frame; a hydraulic detection rod is installed in the middle of a support of the pressure frame in a penetrating mode. According to the utility model, by utilizing the characteristics of transverse butt-clamping displacement and longitudinal butt-clamping displacement of the detection positioning assembly, the pressure supporting table can be pushed to symmetrically slide in the horizontal direction so as to adapt to supporting and positioning of building steels with different lengths, and the butt-clamping plate can be pushed to symmetrically slide in the vertical direction so as to adapt to butt-pressing and positioning of building steels with different sizes; and then the lifting brake assembly is used for driving the lifting screw rod to lift and displace so as to be close to and matched with the building steel for pressure strength detection, so that the overall flexible usability is better, and the adaptability is higher.

The invention belongs to the technical field of house building roof drainage, and particularly relates to a double-sleeve structure for inverted roof drainage and a construction method of the double-sleeve structure. The structure is composed of a DN100 pre-embedded sleeve, a DN50 newly-added sleeve, a connecting rib and a waterproof horn mouth. The two sleeves are concentrically welded into a whole, a top opening of the pre-buried sleeve is flush with the lowest point of a slope making layer and used for draining seepage water above a waterproof layer, and a top opening of the newly-added sleeve is higher than a finished surface and provided with a horn mouth used for collecting surface open water to form an upper-lower layered independent drainage channel. During construction, the double-sleeve assembly is synchronously pre-buried in one-time pouring concrete of the structural slab and the upturning beam, a slope making layer, a waterproof layer, a heat preservation layer and a protection layer are constructed in sequence subsequently, post drilling is not needed, and the heat preservation layer and the waterproof layer are not damaged. Hydrostatic pressure of the waterproof layer can be thoroughly eliminated, the leakage risk of the roof is remarkably reduced, and the device is simple in structure, accurate in positioning, durable, free of maintenance and suitable for newly-built and reconstructed inverted roofs.

The utility model discloses a low dust type polisher for house building construction, which belongs to the technical field of house building construction, and comprises a working plate, the lower surface of the working plate is fixedly connected with a bracket, the upper surface of the working plate is in bolted connection with a vertical plate, and the lower surface of the working plate is fixedly connected with a lower connecting plate; the surface of the vertical plate is connected with a grinding disc through an electric sliding rail. A motor is connected to the surface of the lower connecting plate through bolts, a threaded rod is fixedly connected to the output end of the motor, a limiting groove is formed in the surface of the working plate, an upper connecting block is slidably arranged in the limiting groove, and a long rod is fixedly connected to the surface of the upper connecting block. According to the low-dust type grinding machine for house building construction, during grinding work, a workpiece is placed on the working plate, at the moment, a motor is started, the motor drives a threaded rod to rotate, at the moment, the threaded rod drives a long rod and extrusion rods to move through a movable plate, a limiting groove and an upper connecting block, finally, the extrusion rods on the left side and the right side clamp and fix the workpiece, and the operation process is rapid and convenient.