52 results about "Building restoration" patented technology

The invention relates to the technical field of historic building crack repair, and discloses a microbial concrete grouting device for historic building repair, comprising: a sealing plate used for sealing a crack and provided with a through groove; the embedded rod is obliquely inserted into the ancient building and is inserted into the sealing plate; the pouring rods are vertically inserted into the crack through the through grooves, one end of each pouring rod abuts against the deep end of the crack, the depth of the crack is reflected through the display position of the other end of each pouring rod, and the pouring rods are arranged at intervals; the plugging block is installed in the through groove in a sliding mode, a penetrating hole allowing the pouring rod to penetrate through is formed in the plugging block, and after the pouring rod penetrates through the plugging block, the crack is plugged; a plurality of charging baskets; the stirring barrel is provided with a stirring paddle and is communicated with the plurality of material barrels; one end of the peristaltic pump is communicated with the stirring barrel, and the other end is communicated and detachably connected with the pouring rod; and the cart is used for transporting and accommodating the material barrel. The depth of the crack can be visually obtained, and the crack can be repaired from deep to shallow.

The invention discloses a historical building repairing method and system based on multi-source data fusion and AI diagnosis, and belongs to the technical field of historic building repairing. According to the method, the multi-source data of the historical building are integrated, the digital twinborn model of the historical building is constructed, defect identification and state evaluation are performed on the digital twinborn model based on the AI diagnosis algorithm, the repairing scheme of the historical building is generated, the repairing effect is fed back in real time through the digital twinborn model, the multi-source data cover full dimensions, and the repairing efficiency is improved. The model restores details of building components and can simulate structural deformation under the load effect and material attenuation caused by the environment, real-time data mapping enables the model to synchronously reflect the state of a solid building, defect danger coefficients are calculated through multi-parameter fusion, the types and positions of defects such as structural deformation and material degradation can be automatically recognized for generation of differentiated repairing schemes, and the method has the advantages of being high in practicability and easy to popularize. Hidden defects are prevented from being missed in manual detection, risk quantification is achieved by combining defect danger coefficients with weight distribution, and the generated scheme better fits the actual defect condition of historical buildings.

The application relates to the technical field of ancient building crack repairing, and discloses a microbial concrete grouting device for ancient building repairing, which comprises a sealing plate used for sealing cracks and provided with a through groove, a pre-buried rod which is obliquely inserted into an ancient building and is connected with the sealing plate, a pouring rod which is vertically inserted into the cracks through the through groove, one end of the pouring rod abutting against the deep end of the cracks, the crack depth being shown by the display position of the other end of the pouring rod, the pouring rods being arranged at intervals, a sealing block which is slidingly installed in the through groove and is provided with a perforation for the pouring rod to pass through, the cracks being sealed after the pouring rod passes through the sealing block, a plurality of material barrels, a stirring barrel which is provided with a stirring paddle and is communicated with the plurality of material barrels, a peristaltic pump which is communicated with the stirring barrel at one end and is detachably connected with the pouring rod at the other end, and a cart used for transporting and accommodating the material barrels. The application can intuitively obtain the crack depth and repair the cracks from deep to shallow.

The application provides an ancient building repair intelligent interaction method and system based on image feature recognition, wherein the method comprises the following steps: acquiring multi-angle images of a target ancient building needing repair; extracting image features of the multi-angle images and determining repair content; performing three-dimensional reconstruction based on the multi-angle images, acquiring a three-dimensional reconstruction model, and labeling the repair content in the three-dimensional reconstruction model; acquiring a repair progress of a repair personnel; and automatically adjusting a model angle of the three-dimensional reconstruction ancient building model according to the repair progress for the repair personnel to view. The ancient building repair intelligent interaction method and system based on image feature recognition extract image features of multi-angle images of a target ancient building, determine repair content, perform three-dimensional reconstruction on the multi-angle images, label the repair content in the three-dimensional reconstruction model, acquire an ancient building model, automatically synchronously adjust a model angle of the ancient building model based on the acquired repair progress of a repair personnel, and enable the repair personnel to view, which is more convenient and intuitive.

The invention discloses a reinforcing protection device for historic building repair, and relates to the technical field of historic building repair. The supporting table is fixedly arranged in the middle of the connecting column in a sleeving mode, and the rear side of the supporting table is open. Slots are formed in the rear sides of the left end and the right end of the connecting column, the cross rods in the clamps are inserted into the corresponding slots respectively, and the rear sides of the outer ring walls of the cross rods and the outer ring wall of the connecting column are arranged on the same ring wall; the two adjusting assemblies are arranged on the lower sides of the clamps correspondingly. The limiting assembly is arranged on the upper side of the connecting column. The clamping clamps on the two sides can be adjusted according to the length of a wall, the clamping clamps are limited through the limiting structures, the wall corners are clamped through the clamping clamps, and therefore the stability of the wall corners on the two sides is enhanced.

The utility model discloses a reinforcing device for ancient building repair, which comprises at least two reinforcing rings and a support table which are symmetrically arranged, each reinforcing ring is composed of two reinforcing plates which are symmetrically arranged, a locking piece which extends towards the outside of the reinforcing ring is arranged at the abutting position of the two reinforcing plates, the locking piece is in a semi-cylindrical shape, and the supporting table is arranged on the support table. The locking pieces abut against each other to form a cylindrical bolt, and threads are arranged on the outer surfaces of the locking pieces. The locking ring is a wing-shaped piece with a hollow circular ring in the middle, and threads in threaded connection with the locking piece are arranged on the inner side wall of the hollow circular ring. A cylindrical bolt connection structure is formed through the two reinforcing plates which are symmetrically arranged and the extension locking piece, the overall rigidity and the connection stability of the device are enhanced by combining threaded fit of the locking ring, and the loosening risk of traditional binding type reinforcing is avoided; through the design of additionally-installed connecting plates and limiting holes, the complex repairing requirements of historic buildings of different scales are met; rubber gaskets and rhombic elastic pieces are arranged on the inner sides of the reinforcing plates.

This utility model discloses a brush for the restoration of ancient buildings, including a handle. A housing is fixedly connected to the bottom of the handle. Guide rods are slidably connected through both sides of the bottom wall of the housing. A connecting plate is fixed to the bottom of the two guide rods. A cleaning component is provided at the bottom of the connecting plate. Clip-on components for fixing the cleaning component are provided on both sides of the connecting plate. A vibration component is connected to one end of the two guide rods inside the housing. An air blowing component is installed inside the housing. This utility model includes a handle, housing, guide rods, connecting plate, cleaning component, clip-on components, and vibration component. The cleaning component is quickly fixed to the connecting plate via the clip-on components. When the bristles of the cleaning component are severely worn, the cleaning component can be quickly replaced. During use, the vibration component drives the connecting plate and the cleaning component to vibrate, thereby using the cleaning component to clean stubborn dust and improve restoration efficiency.

This invention relates to the field of building repair, and its purpose is to provide a rammed earth wall reinforcement structure, comprising a strip foundation, a rammed earth wall, and several semi-prefabricated reinforcement units. Several interlocking cavities are provided at both the front and back connections of the strip foundation and the rammed earth wall. The interlocking cavities at the front and back connections are alternately distributed along the length of the strip foundation. Each semi-prefabricated reinforcement unit corresponds to one of the interlocking cavities and includes a concrete block and a steel reinforcement cage. The concrete block seals the opening of the interlocking cavity and forms a cast-in-place bonding zone with the interior of the cavity. One end of the steel reinforcement cage is embedded in the concrete block, and the other end extends into the cast-in-place bonding zone. A grouting port communicating with the cast-in-place bonding zone is provided at the bottom of the concrete block, and grout is injected into the cast-in-place bonding zone. This invention can effectively reinforce the rammed earth wall and its foundation while maintaining the original structural appearance of the rammed earth wall and its foundation.

The invention relates to the technical field of cultural relic protection and building restoration, and discloses an ancient building outer wall surface local minimally invasive restoration process based on an image sensor, and the process comprises the steps: firstly arranging a high-precision image sensor in a key region of an ancient building outer wall surface, and comprehensively collecting the appearance, structure and disease data of the wall surface; after data preprocessing, a millimeter-level precision three-dimensional model and a disease distribution diagram are generated, and floating dust removal and unconsolidated formation minimally invasive preprocessing are carried out on a slight defect area according to the model; targeted grouting repair is conducted on the deep cracks and the hollowing parts; a sensor is used for monitoring data in real time, micron-grade fine trimming is conducted on local protrusions or residual gaps so as to ensure natural transition between a repaired surface and a peripheral original surface, and finally in combination with texture and color information of an original wall surface, traceless coloring and texture recarving are conducted on a repaired area, so that visual seamless connection is achieved; and local minimally invasive repair of the outer wall surface of the ancient building is completed.

The utility model discloses a roof eave rafter structure for historic building repair, and relates to the technical field of historic building repair. The device comprises two base plates, a plurality of supporting plates and a plurality of supporting plates, the number of the gold columns is two, the two gold columns are fixedly installed at one ends of the two bottom plates correspondingly, and eave columns are fixedly installed at the other ends of the two bottom plates correspondingly. And the supporting purlin is fixedly mounted between the two gold columns. According to the utility model, the mounting plate, the limiting plate, the clamping groove, the positioning plate and the fixing plate are matched, so that the eave rafter can be easily dismounted and remounted, the repairing process is greatly simplified, the clamping groove connecting mode is convenient and quick, the position and angle of the eave rafter can be accurately controlled in the dismounting and mounting processes, and the repairing efficiency is greatly improved. By means of the structural arrangement, the efficiency and quality of repairing work are improved, the maintenance cost is reduced, and the repairing work becomes faster and more economical by simplifying the disassembling and assembling process.

The invention belongs to the technical field of ancient building color decoration repair, provides a color picking system for ancient building repair, and aims to solve the problems that traditional color picking is subjective, has no attenuation adaptation and is disjointed with an ancient process. The system comprises five modules: a hardware processing and current color acquisition module for calibrating a color photometer and an environment detector to obtain current color data and an environment attenuation factor; the original color acquisition module measures ores of the same material to obtain original color data; the color decay rule analysis module is used for analyzing a linear relation between time and color decay by using a CL-color grade measurement method; the color attenuation model building module integrates the environment factors into a comprehensive attenuation coefficient K, and a model is built after fitting; according to the method, accurate quantification of the color is realized, experience dependence is reduced, the color matching period is shortened, vulnerable cultural relics are protected, and standardized support is provided for repairing the old as the old.

The invention relates to the technical field of building repair, and discloses a nondestructive testing and repairing device for restoring a colored drawing layer of a tomb building in the western region of the Hangzang, the nondestructive testing and repairing device comprises a base, the top of the base is fixedly provided with a machine body, and the outer side of the machine body is fixedly provided with a repairing mechanism. According to the nondestructive testing and repairing device for restoring the colored drawing layer of the tomb building in the western region of the Hangzang, nondestructive testing and accurate repairing of diseases of the colored drawing layer are achieved through a high-precision sensor and a 3D printing repairing nozzle, the sensor can capture cracks and hollowing areas in the colored drawing layer in real time, a three-dimensional model is constructed in combination with a detection camera, damage distribution is visually presented, and the detection accuracy is improved. The 3D printing nozzle dynamically adjusts the spraying track and dosage of the adhesive according to model data, it is ensured that the repairing material is matched with the components of the original colored drawing layer, the design effectively avoids secondary damage to cultural relics caused by traditional sampling analysis, meanwhile, the operation efficiency is greatly improved through automatic repairing, and manual operation errors are remarkably reduced.

The application provides an ancient building repair modeling reconstruction method based on digital technology, and belongs to the field of artificial intelligence and building repair technology. The method comprises the following steps: obtaining three-dimensional structure information and plane structure information of a target ancient building to be repaired; generating a three-dimensional structure diagram and a target plane structure diagram of the target ancient building to be repaired; performing matching search in a preset plane structure diagram database based on the target plane structure diagram to obtain at least one matching plane structure diagram; performing semantic analysis on the matching plane structure diagram to obtain a plurality of three-dimensional reconstruction prompt words; inputting the three-dimensional reconstruction prompt words and the three-dimensional structure diagram of the target ancient building to be repaired into a graph generation artificial intelligence engine to output a plurality of three-dimensional structure repair effect candidate diagrams; and evaluating to obtain a three-dimensional structure repair scheme diagram of the target ancient building to be repaired. The application realizes ancient building modeling reconstruction based on digital technology, and assists the artificial intelligence engine to obtain a plurality of candidate schemes and then evaluates to obtain an optimal repair scheme.

The application discloses a high-efficiency three-dimensional modeling method for repairing building color drawing, comprising the following steps: step 1, introducing a pre-repair module, using a pre-trained SD model to repair the collected pictures; step 2, first, all Gaussian points are divided into two categories of'morphological Gaussian' and 'color tone Gaussian', the morphological Gaussian is reserved, and the color tone Gaussian with a relatively high degree of coincidence is filtered; step 3, using step 2, the Gaussian point cloud of the repaired part and the original scene is obtained respectively; after obtaining the final point cloud representation after optimization, the Gaussian point cloud of the repaired part and the original scene is merged, and the scene is modeled as a Gaussian ellipsoid by imitating the method of 3DGS, so that the repair of the traditional building in the three-dimensional level is achieved. The application is based on a stable diffusion model (Stable Diffusion) and 3DGS technology, and aims to solve the deficiencies of the prior art in building repair modeling, and especially can realize optimization in time and space overhead.

The invention relates to a Beijing brick ceramic preparation method, which comprises: preparing a green body, weighing 25-35% by weight of kaolin, 35-40% by weight of potassium-sodium feldspar, 3-5% by weight of a high aluminum material, 5-6% by weight of anorthite and 1% by weight of a grinding aid additive, mixing, and ball-milling until the particle size D50 of the powder is less than or equal to 10 [mu] m to prepare a slurry; removing iron from the slurry through a 120-mesh sieve, and performing spray drying to obtain green body dry powder with the water content of 8-10%; surface effect treatment: bidirectionally pressurizing the green body dry powder by using a hydraulic press; and polishing, wherein a diamond grinding block and a fiber grinding block are combined for polishing. On the basis of wear resistance, skid resistance and light sensation optimization, the water-repellent anti-fouling polished tile synchronously has high mechanical strength and water-repellent anti-fouling property, can break through the application limitation of traditional polished tiles, is suitable for scenes such as historic building repair and cultural relic protection which have high requirements on cultural restoration, and also has good water-repellent anti-fouling performance. And the method can also be used for scenes with requirements on performance and texture, such as corridors, kindergarten activity rooms, high-end villa whole houses and the like.

This invention relates to the field of ancient building repair technology, and discloses a support and reinforcement device and method for ancient building repair. The device includes multiple base plates, with a movable frame connected to the upper part of each base plate via a movable component. A lifting plate is connected to the movable frame via a height adjustment component, and a support and reinforcement mechanism is connected to the lifting plate. This invention provides a support and reinforcement mechanism that enables the support of the pavilion's floor through its movement, supporting the entire bottom surface of the pavilion. It can support pavilions with different bottom shapes, ensuring contact between the support plate and the pavilion's bottom surface. By adding or removing curved support plates, different pillars can be added to support the pavilion's bottom surface, facilitating better support. Furthermore, the length of the support rods can be adjusted. By selecting annular support plates of different diameters, better support can be achieved. The support and reinforcement are relatively stable, facilitating repair and maintenance.

This invention relates to a construction and design method for a tensioned masonry wall reinforcement structure, comprising L-shaped steel plates embedded and fixed in the mortar joints at the four corners of one side of the masonry wall; two L-shaped steel plates are connected by high-strength steel wires; the ends of the high-strength steel wires are tightened and fixed to the L-shaped steel plates by steel wire rope lock heads; a polymer mortar surface layer is applied to one side of the masonry wall and covers the L-shaped steel plates and high-strength steel wires; this invention utilizes the combination of high-strength steel wires, L-shaped steel plates, and polymer mortar to improve the lateral bearing capacity and seismic performance of the masonry wall, significantly improving the overall stability of the masonry wall; the single-sided non-destructive reinforcement method avoids damage to the original masonry wall structure and maintains the original building appearance, meeting the needs of historical building restoration.

The invention discloses an ancient building brick masonry surface deterioration repair material and a weather resistance evaluation method thereof, and belongs to the technical field of brick masonry ancient building repair, the repair material contains three optimization systems: a lime-fly ash system (S-F), a cement mortar-fly ash system (L-F) and a calcium hydroxide-silica fume mixing system (C-S. The preparation process is simple and convenient. According to the evaluation method, the mass loss rate, the innovatively defined wave velocity degradation rate and the compressive strength are integrated, an extreme environment is simulated through a freeze-thaw cycle test, ultrasonic flaw measurement and compression test are combined, a full-dimension evaluation system is formed, and a long-term damage prediction curve is constructed through data fitting. Tests show that the cement mortar-fly ash system is optimal and meets the repair requirements. The internal damage is quantified according to the wave velocity degradation rate, a scientific basis is provided for material screening and long-term maintenance, and the method has engineering value and cultural heritage protection significance.

The utility model discloses a special splicing auxiliary tool for repairing historic building wood members, which relates to the technical field of historic building repair and comprises a clamping plate, a connecting rod, a connecting rod and a connecting rod. The mounting plate is fixedly mounted on the side, adjacent to the side used for clamping, of the clamping plate; the two threaded columns are symmetrically arranged relative to the mounting plate and are in threaded connection with the mounting plate; according to the scheme, the ends, close to the clamping plates, of the two threaded columns obliquely point to the middle positions of the clamping sides of the clamping plates, when the threaded columns are rotated, the rotating blocks drive the pressing plates and the separated wood components to gather towards the centers of the clamping sides of the clamping plates, the rotating shafts of the rotating blocks and the pressing plates are parallel to the clamping sides of the clamping plates, and it is ensured that the rotating planes of the pressing plates are matched with the clamping direction; and the clamping stability is guaranteed, balanced and centripetal clamping force can be provided for wood components of different sizes, and the component force direction faces the bonding position, so that the gluing position is bonded more tightly.

The application provides a modeling method and system for ancient building repair, and belongs to the field of building repair modeling. The method comprises the following steps: S1, collecting three-dimensional point cloud data of an ancient building to be repaired, and performing preprocessing to record damage state and deformation characteristics; S2, matching standardized data with an ancient building parameterized component library and performing attitude correction; S3, dividing an initial repair model into a plurality of sub-regions, calculating a shape difference measurement value of each sub-region, and dividing the initial repair model; S4, using the ancient building parameterized component library to register a completely reconstructed region and a partially repaired region to obtain a general part model, and using a fitting algorithm to match a region to be kept as original to obtain a detail part model; and S5, fusing the general part model and the detail part model to obtain a three-dimensional model of the ancient building. The application realizes accurate digital modeling of the ancient building, guarantees the overall structural standardization of the ancient building, and can retain the characteristics and details of the original building.

The present application relates to the technical field of building repair, and particularly relates to a construction method for plugging a screw hole in an outer wall, which comprises the following steps: connecting a data acquisition instrument with a pressure sensor by using a data transmission line, and placing the pressure sensor into the screw hole; injecting mortar by using a pressure injection mortar gun; extruding the detachable inserted part in the hole by using mortar, and measuring the actual pressure value by using the pressure sensor; in the process of injecting mortar, the pressure in the digital display pressure injection mortar gun changes with the injection condition, and the pressure in the gun after the screw hole is injected with qualified mortar can be determined; after the injection is qualified, a semi-transparent fixed plugging sheet is used for plugging, and after the inspection is qualified, an operator puts a plastering size limiter on the side of the screw hole in the outer wall which needs to be plugged with mortar, and then performs plastering; the present application can intuitively understand the plugging condition of the screw hole in the outer wall in a certain time period by analyzing the pressure test value, and can perform standardized construction, and the plastering size limiter can form a standard circular plastering surface with a standard pattern, thereby performing standardized construction.

The invention discloses a historic building restoration structure health monitoring and evaluation system, which comprises a data acquisition module, an edge processing module, a fusion analysis module and a user interaction module, and is characterized in that the data acquisition module is used for acquiring historic building structure data, and the edge processing module is used for preprocessing the acquired historic building structure data; the fusion analysis module is used for constructing a parameterized finite element reference model to simulate the mechanical behavior of the ancient building structure in a healthy state, comparing the change of model correction parameters before and after intervention, evaluating the contribution degree of the repair measure to the structural performance improvement, and predicting the safety margin of the ancient building structure in a period of time in the future; and the user interaction module is used for providing a visual building repair structure health state and generating an evaluation report. According to the method, the problems of disjunction of monitoring and evaluation, experience dependence, early warning lag and the like in a current historic building repair project are solved, and an intelligent tool is provided for preventive protection and scientific repair of cultural relic buildings.

The utility model discloses a kind of building crack repair fixing devices, relate to building repair technical field, including fixed mechanism, the fixed mechanism is used to reinforce at wall crack, the fixed mechanism is composed of traction mechanism and two component force mechanisms, the traction mechanism includes two anchor rods, the anchor rod is inlaid on wall, the component force mechanism is installed on anchor rod, the component force mechanism is used to disperse the traction force when anchor rod traction broken wall;By two anchor rods in traction mechanism respectively anchoring into the wall of crack two sides, then installing component force mechanism on anchor rod, so that when anchor rod is drawn mutually close, force exerted on wall is dispersed as multiple point position distribution on wall surface by component force mechanism, both reduce the damage to original wall, but also reduce single-point stress intensity when pulling, while repairing and reinforcing wall crack, avoid to cause secondary damage to wall, use effect is very good.

The invention provides a BIM-based historic building repair dynamic monitoring method and system, and the system comprises a component memory module which is used for setting a component memory for a component of each historic building, and storing the state information and historical changes of the component; the graph creation module is used for constructing a non-linear state evolution graph used for representing the state influence relation between the historic building components, the non-linear state evolution graph comprises graph nodes and connecting edges between the graph nodes, the graph nodes represent the components, and the connecting edges represent potential state influence or dependency relation between the components; the strategy flow engine construction module is used for constructing a strategy flow engine, an expert rule base and historical case knowledge of ancient building repair are integrated in the engine, and a corresponding repair strategy process is automatically generated according to a component memory and a nonlinear state evolution graph; and the visualization module is used for visually displaying the repair evolution process in a BIM platform interface through a time axis view and a strategy process view. The ancient building repairing process and efficiency can be optimized.

This invention discloses a wall brick repair coating device for ancient building restoration in the field of wall repair technology. The device includes a box, with a material storage mechanism installed on the front of the box. The material storage mechanism is connected to the coating tube mechanism through a material conveying hose. A pushing mechanism is connected to the coating tube mechanism and the dust removal tube mechanism through a telescopic rod. The back panel of the box is symmetrically equipped with support leg assemblies for supporting single wall bricks. Each support leg assembly includes a fixed leg mechanism for supporting one side of the wall brick, a sliding leg mechanism for opening the gap between adjacent wall bricks, and an adsorption leg mechanism. The pushing mechanism is provided with a plug-in mechanism for switching connection with the coating mechanism and the dust removal mechanism. The front and rear panels of the box are provided with a main slide groove for the coating tube mechanism and the dust removal tube mechanism to slide up and down. The coating tube mechanism and the dust removal tube mechanism are housed on the upper and lower sides of the main slide groove. The dust removal tube mechanism achieves the effect of grinding, dust removal, and blowing simultaneously, while the coating tube mechanism achieves the effect of uniform coating and extrusion.

The invention relates to the technical field of historic building restoration, in particular to a precision control method for a staggered-floor closure space of a historic building support. The method comprises the following steps: S1, establishing a multi-stage measurement control network; s2, carrying out three-dimensional modeling and pre-compensation; s3, performing three-dimensional coordinate measurement by adopting a total station; s4, measuring the distance from the control point to be measured to at least two control points; s5, multi-view measurement and data integration are adopted; and S6, carrying out mechanical analysis and stability modeling. According to the method, on the basis of not changing the original structure and style of the historic building, high-precision control over the staggered-floor closure space of the historic building support is achieved through the methods of multi-stage measurement control network establishment, three-dimensional modeling pre-compensation, accurate measurement, mechanical analysis and the like, and therefore the construction quality and structure safety of the historic building are more effectively guaranteed.

The utility model relates to the technical field of repair construction, and discloses an ancient building repair construction material transportation device, which is characterized in that sliding guide rails are connected to two sides of the bottom surface of a frame platform in a sliding manner, upright post frames are welded on the outer walls of two sides of the frame platform, and a connecting rod mechanism is arranged on the inner wall of the top of each upright post frame; the inner wall of one rod body at the hinged middle end of the connecting rod mechanism is rotationally connected with an operating handle, and the tail end of the operating handle is in threaded connection with the inner wall of the other rod body at the hinged middle end of the connecting rod mechanism. Through the arrangement, the positioning supporting blocks on the periphery of the bottom of the material fixing frame are matched with the inner wall of the top of the sliding frame, meanwhile, the top of the inner wall of the material fixing frame extrudes materials, stable fixing of the materials is achieved, fixing and releasing of the materials are facilitated, and the operation efficiency is greatly improved; and the material fixing and discharging efficiency is improved.

The utility model discloses an ancient building restoration roof eave rafter structure which comprises two bottom plates which are symmetrically arranged, a gold column is fixedly arranged at the upper end of the rear end of each bottom plate, the lower ends of the two sides of each gold column are both fixedly connected with the two bottom plates, an eave column is fixedly arranged at the upper end of the front end of each bottom plate, and the eave column is fixedly connected with the gold column. The lower ends of the two sides of the eave column are fixedly connected with the two bottom plates, clamping grooves are formed in the two sides of the upper end of the eave column, T-shaped clamping plates are arranged in the clamping grooves and fixed to the clamping grooves in a clamped mode, one end of each T-shaped clamping plate extends to the outer portion of the corresponding clamping groove, a pressing plate is fixedly arranged between the T-shaped clamping plates, and the other end of each clamping plate extends to the outer portion of the corresponding clamping groove. Limiting cavities are formed in the center position of the interior of the pressing plate and the center position of the interior of the upper end of the eave column, the limiting cavities are of a penetrating type structure, and the structure solves the problems that the fixing effect of the eave rafter body is not good enough, and the placing position of the eave rafter body cannot be adjusted.

The invention relates to the field of building repair, in particular to a wooden structure building repair node positioning and measuring device based on a BIM (Building Information Modeling) technology, which comprises a base and a transverse plate movably arranged on the base, and further comprises a lifting driving mechanism mounted on the base and connected with the transverse plate, the lifting driving mechanism can drive the transverse plate to ascend and descend, and the lifting driving mechanism drives the transverse plate to ascend and descend; the height of the ultrasonic generator movably arranged on the side part of the transverse plate is changed; the transverse moving driving mechanism is installed on the transverse plate and connected with the ultrasonic generator, the transverse moving driving mechanism is further connected with a one-way triggering mechanism installed on the base through a transmission mechanism, the one-way triggering mechanism is connected with the lifting driving mechanism, and finally the effective data collection function of a measured object can be achieved. And meanwhile, the automation is high, the system simulates the real information of the building by using the BIM technology, and smooth proceeding of related work is ensured.

The utility model relates to the technical field of building structures, and provides a wooden roof structure for repairing a traditional building, which comprises a wooden roof truss, a wooden purline, a wooden roof boarding, a wooden keel, an insulation board, a waterproof breathable film, a ventilation waterproof cushion layer, a wooden roof batten and roof tiles, the wooden roof frames are arranged at the two ends above the brick walls; wooden purlines are laid on the wooden roof truss at intervals, and wooden roof boarding is laid on the wooden purlines; wooden keels are laid on the wooden roof boarding at intervals; an insulation board is embedded between every two adjacent wooden keels; waterproof breathable films are laid on the wood keels and the heat preservation plates; a ventilating waterproof cushion layer is arranged on the waterproof breathable film; wooden roof battens are laid on the ventilation waterproof cushion layer at intervals; roof tiles are bound and hung on the wood roof battens. The heat preservation and waterproof performance of the wooden roof can be effectively improved, and the original roof historical style and appearance of a traditional building can be maintained to the maximum extent.