699 results about "Structural framework" patented technology

The invention relates to the technical field of rock monitoring, in particular to a safety monitoring method and system for a rock slope, which is characterized in that an abnormal focusing area is generated through gradient change and density sudden change judgment, a basic entrance for early risk identification is constructed, the positioning accuracy of a crack sensitive section is enhanced, and the safety of the crack sensitive section is improved. The identification precision and the dynamic intervention capability of the potential risk area of the rock slope are enhanced, the linear features of the boundary response are extracted through the convolutional neural network, the identification and the reconstruction of the crack main extension path are realized, and the method combines the direction sorting and the structure continuity analysis to improve the reliability of the crack main extension path. Closed fitting and stable connection node labeling of a crack path are completed, a traceable structural framework is provided for subsequent trend analysis, dynamic modeling of crack migration evolution is achieved through comparison recognition of a displacement direction and an angle abrupt change point, a closed path grid can be constructed in a crack direction reversal area, and the dynamic modeling of crack migration evolution is achieved. And the dynamic response layout of the crack control structure is realized.

An assembly of parts for a structural moment connection includes a first connecting component and a second connecting component. The first connecting component is configured to be connected to a first structural frame member. The second connecting component is configured to be connected to a second structural frame member. The first connecting component includes an elongated protrusion. The second connecting component includes a body having an elongated cavity extending inside of the body from a side surface of the body. The elongated protrusion is configured to be received in the elongated cavity such that the first connecting component and the second connecting component produce a moment connection between the first structural frame member and the second structural frame member when the elongated protrusion is received in the elongated cavity.

The invention discloses a sand mold 3D printer for casting, which is applied to the technical field of casting molds, and is characterized in that a structural frame is arranged as a support of a structure and is lifted to a horizontal height convenient to use, a sand supply device is used for extracting sand, and the sand is injected into a sand shakeout device; when the sand material is fed, the sand material is guided by the sand material hopper with a larger area, so that the material is not easy to scatter, then the sand material is guided into the sand storage box, and the arranged stirring shaft continuously rotates on the inner side of the sand storage box and is matched with the spiral blade on the outer side of the stirring shaft to continuously stir the sand material, so that the sand material continuously keeps moving; the adhesive spraying device is arranged in the sand hopper and is relatively uniform in the sand hopper, meanwhile, the effect of smashing caked sand is achieved, the situation that the structure is blocked is avoided, and during manufacturing, the molding box moves to the bottom of the structural frame, and then the adhesive spraying device moves along the horizontal guide rail.

The module cabin structure capable of being assembled and expanded comprises a structural frame and wall surfaces, the wall surfaces comprise a standard wall, a window wall and a door wall, the length-width-height ratio of the structural frame is 2: 1: 1, the standard wall, the window wall and the door wall are the same in size, the wall surfaces and the structural frame are welded to form a closed space, a plurality of connecting joints are arranged on the top of the structural frame, and the connecting joints are connected with the structural frame. The module cabin structure is spliced based on the connecting nodes, and at least one wall face and the structural frame are detachably installed. By means of the design of the structural frame with the standardized size and the detachable wall faces, the sealing structure and the connecting joints are combined, the problems that the transportation size is limited, the single capacity is insufficient, and the multi-cabin-body cooperation efficiency is low are solved, and the advantages of improving the sealing performance, enhancing the connecting stability and facilitating expansion and splicing are achieved.

A half-timbered house having a multi-shell wall structure including a rafter roof having a plurality of rafters and side walls, which in turn each comprise at least one sill resting on a substrate and a plurality of posts. The multi-shell wall structure has two structural frameworks, wherein the first structural framework faces the interior and the second structural framework faces the surroundings.

The invention discloses a low-cost commercial equipment system scheme optimization method based on energy transfer. The method comprises the following steps: step 1, modeling and designing an equipment system based on a DoDAF system structure method; 2, after available equipment units are screened out under the structural framework of the constructed equipment system, the efficiency-cost ratio of the system is calculated through an equipment system efficiency calculation method, and the equipment system with the highest efficiency-cost ratio is selected as an optimal scheme. Therefore, the problem that there is no calculation method from the single-loading efficiency to the system efficiency in the prior art is solved. According to the method, the efficiency improvement caused by the cooperative relationship between the devices is fully considered, the joint probability distribution of the cooperative effect generated on the battlefield between the different devices is innovatively selected as the gain coefficient, mathematical modeling of the endophytic emergence of the device system under the actual combat condition is achieved, and the accuracy and scientificity of system efficiency estimation are greatly improved.

The invention relates to the technical field of modular wallboards, in particular to a modular building construction component which comprises a frame, a plurality of wallboards, a plurality of sealing strips and a plurality of tensioning structures. The frame comprises a top frame, a bottom frame and a plurality of stand columns vertically arranged between the top frame and the bottom frame. The upper and lower ends of the wallboards are slidably mounted on the top frame and the bottom frame respectively, so that modular assembly is completed; mounting grooves are formed in the vertical edges of the wallboards; sawtooth sealing strips are fixedly mounted in the mounting grooves, and the sealing strips of the adjacent wallboards form a staggered meshing structure when spliced. Two tensioning structures are installed on each sealing strip, the two tensioning structures enable the sealing strips to be in a tensioning state, the straightness of the sealing strips is guaranteed, wrinkles are avoided, and the problem that in the wall splicing process, due to the tooth staggering phenomenon of the two sawtooth-shaped sealing strips and untight attachment, the sealing performance is poor is solved; and the sealing performance is improved.

The invention relates to the technical field of assembly type construction, and discloses an assembly type transformer substation construction method based on a BIM (Building Information Modeling) technology, which comprises the following steps: step 1, decomposing a transformer substation project into standardized module units according to function and structure characteristics, each module unit comprises an equipment foundation module, a steel structure frame module, a pipe ditch module, a cable gallery module, an enclosure wall body module and an equipment interface module, and the geometric dimensions, material attributes and connection nodes of all the modules are defined in the decomposition process. A construction simulation model is generated by combining a BI model and a construction progress plan, the installation sequence, position information and connection operation of each module in a construction time period are decomposed, dynamic visual simulation is carried out by utilizing a virtual reality technology, and the installation positions, connection modes and node geometric relationships of the modules are visually displayed; accurate formulation and visual presentation of the construction plan are achieved, rework or delay caused by a plan blind area is avoided, and the effects of improving construction efficiency and scientificity are achieved.

The invention discloses an annual work report generation method, system and device based on a large model, and a medium, belongs to the technical field of natural language processing and artificial intelligence application, and aims to solve the technical problems of low efficiency, unstable quality, poor flexibility and high efficiency in the existing annual work report writing process. According to the technical scheme, the method comprises the steps of obtaining multi-source data related to annual work; preprocessing the multi-source data; a pre-training fine tuning mode is adopted to train and optimize the large model, a large-scale pre-training language model is used as a basis, supervised learning and unsupervised learning modes are combined, and the large model is finely tuned by using related data; inputting the preprocessed data into the trained and optimized large model, and generating a preliminary report according to a structural framework of an annual work report; and receiving user modification opinions through an interactive interface, analyzing the opinions, cooperating with data processing and large model optimization, re-obtaining data or optimized contents, and iteratively outputting a final report.

The utility model relates to an assembly type damping composite infilled wall with an energy dissipation damping part maintenance device. The energy dissipation damping piece can be sealed, and fire prevention, corrosion prevention, water prevention, heat preservation and sound insulation can be achieved. The composite filled wallboards are installed in the structural frame and connected with the structural frame, the structural frame comprises frame columns and frame beams, and an energy dissipation damping part is connected between the upper composite filled wallboard and the lower composite filled wallboard. A slidable connecting device is installed on the outer side of the energy dissipation damping part and comprises a cover plate, a sliding groove and a sliding rail, the sliding rail is arranged on the inner side of the cover plate, and the sliding rail is embedded in the sliding groove in the inner side of the cover plate and fixedly connected with the embedded steel plate or the embedded steel bar on the lower portion of the upper composite filling wall plate. The slidable connecting device is convenient to mount and dismount, and convenience is provided for overhaul, maintenance and replacement of the energy dissipation damping part; and meanwhile, the fireproof, anti-corrosion, waterproof, heat-insulating and sound-insulating effects can be realized.

An electrochemical cell comprising a non electrically-conductive structural frame for supporting components of the electrochemical cell and a tensioning element, wherein the structural frame comprises engagement means adapted to engage the tensioning element, wherein the engagement means comprises at least two bosses on the structural frame, each boss adapted to engage with a corresponding aperture on the tensioning element.

The invention discloses a quality detection device for a steel structure frame, and belongs to the technical field of quality detection, the quality detection device comprises a tension testing machine, and also comprises a support plate arranged on the tension testing machine; the feeding mechanism is arranged above the supporting plate and is used for feeding the sample; the moving mechanism is connected with the supporting plate, and a locking mechanism is connected to the moving mechanism; the moving mechanism is used for driving the locking mechanism and the sample to horizontally move, and the locking mechanism is used for clamping or loosening the sample under the moving cooperation of the moving mechanism; according to the scheme, only the sample needs to be placed in the feeding mechanism, the sample is automatically clamped and fixed and is subsequently released and unloaded in the process of driving the locking mechanism to move through the moving mechanism, the automation degree is high, manual active operation is not needed, the operation difficulty is reduced, a large amount of labor force and time are saved, and the working efficiency is improved. The detection efficiency is obviously improved, the subsequent detection work is facilitated, and the practicability is relatively high.

The invention relates to a sectional type positioning installation method and system for a steel structure frame, and relates to the technical field of building structure construction. The method comprises the steps that three-dimensional coordinate measurement is conducted on the embedded bolt through a total station, a deviation value recording table is obtained, and a control network and a marking system are established; the method comprises the following steps: performing ultrasonic flaw detection and pre-tension reinspection on a steel structural member, performing ground pre-assembly to obtain a single-section steel frame model, and performing optimization treatment to form a number marking system and an assembly sequence diagram; a steel structure is divided into a plurality of independent installation units, and preliminary positioning is achieved through a temporary fixing technology; secondary measurement is carried out, fine adjustment is carried out through an ejector and a wire drawing device, accumulated deviation is dispersed through an overall balance method, and the pre-camber is set to obtain a stable frame system; the high-strength bolts are finally tightened, and welding construction is conducted; the roof system is installed in a batched concentrated hoisting mode. The problem that accumulated errors are difficult to control in traditional steel structure installation is solved, and the installation precision and efficiency are improved.

The embodiment of the invention provides an integral toilet module which is mainly composed of a concrete chassis, a structural framework, a built-in system and an electromechanical system which are integrally formed in a pouring mode and can be matched with a steel structure fabricated building. The chassis is prefabricated by concrete and is integrally sealed and waterproof. And the structural framework is fixed on the chassis and is provided with the light enclosure wallboards, so that the overall weight of the module is effectively reduced, the transportation and construction cost is reduced, and the assembly efficiency is improved. The enclosure wallboards can be made of light materials such as foaming ceramics and have the properties of heat preservation, heat insulation, fire prevention, water prevention and the like. According to the module, pre-integration of all structures, built-in systems and electromechanical systems is completed in a factory, the module can be used only by being hoisted in place and connected with a main body structure on site, and rapid, efficient and reliable assembly type construction is achieved.

The invention relates to the technical field of farm house construction, in particular to a farm house construction method based on combined prefabricated wallboards, which comprises the following steps: pre-burying bolts in foundation concrete of an assembly site according to a farm house prediction model, and sequentially mounting steel columns, steel beams and floor support steel to form a steel structure frame; pre-splicing is carried out; a wallboard edge abrasion model is determined, and the splicing hot air temperature is adjusted; determining a wallboard structure stability processing mode according to the stress distribution diagram, wherein the wallboard structure stability processing mode comprises the step of adjusting the dislocation angle of sawteeth at the edge of the wallboard when the wallboard is spliced, or determining the splicing gap width of rock wool in the wallboard according to the maximum heat transfer coefficient; the steel structure frame and the wall plate structure are spliced according to the splicing hot air temperature and the wall plate structure stability treatment mode to form the farm house outer maintenance structure; and the built-in structure is installed on the farm house outer maintenance structure to form the combined farm house. The structure stability and the heat preservation performance of the farm house are improved.

The invention discloses a special-shaped steel structure frame reticulated shell roof construction device and method.The special-shaped steel structure frame reticulated shell roof construction device comprises a mounting disc, an annular guide rail is mounted at the bottom of the mounting disc, a fixing shaft is fixedly connected to the bottom of the center of the mounting disc, the outer wall, close to the bottom, of the fixing shaft is rotationally sleeved with a sleeve, and an infrared positioning assembly is mounted at the bottom of the sleeve; the outer wall of the annular guide rail is slidably sleeved with a cross beam fixedly connected with the outer wall of the sleeve, a driving mechanism is installed on the cross beam, a linear transmission assembly is installed at the bottom of the cross beam and is in transmission connection with a posture adjusting mechanism, and a strip-shaped plate is in transmission connection with the posture adjusting mechanism. A marker post positioning driving mechanism is installed at the center of the bottom of the strip-shaped plate, marker post clamping mechanisms are installed at the positions, close to the two ends, of the bottom of the strip-shaped plate, and two welding mechanisms which are symmetrically arranged are installed at the two ends of the strip-shaped plate. According to the method, the problems that when a traditional special-shaped steel structure frame reticulated shell roof is constructed, errors are large, and calibration is tedious are solved.

The application discloses a flexible strain sensor with high linearity and low hysteresis, a preparation method and application thereof, and belongs to the technical field of sensors. The composite sensitive material prepared by using an electric spray gun has high linearity and low hysteresis performance. The physical contact between silver nanowires and two-dimensional MXene nanosheets makes the sensor have high sensitivity in a tensile state. Meanwhile, the liquid metal particles as a structural framework have inherent room-temperature low-melting-point characteristics, so that the liquid metal particles are in a liquid state at room temperature, and the gap between the MXene nanosheets and the silver nanowires is reduced. The coordination bond formed between the MXene nanosheets and the liquid metal enhances the interface interaction between the MXene nanosheets and the liquid metal, and reduces energy dissipation. The uniform composite sensing network layer obtained based on a spray mixing technology has a uniform distance between the sensitive materials in the composite sensitive layer with the gradual increase of external stress; and the existence of the buckling structure strengthens the interaction between the sensitive materials. Therefore, the resistance has a linear relationship with the change of the stretching amount, that is, high linearity; and the flexible strain sensor has high sensitivity.

The invention discloses a modular building construction scaffold and a mounting method thereof. The modular building construction scaffold comprises a plurality of folding unit frames which are connected with one another and scaffold boards used in cooperation with the folding unit frames. Each folding unit frame comprises a shaft rotating seat, two connecting rod pieces, a transverse connecting assembly and a joint reinforcing fixing piece, the shaft rotating seat is of a cubic structure, the two connecting rod pieces are movably connected with the two perpendicular faces of the shaft rotating seat respectively, and fixing connecting seats matched with the connecting rod pieces are arranged on the two faces, opposite to the connecting faces of the connecting rod pieces, of the shaft rotating seat. The other face of the shaft rotating base is fixedly connected with the transverse connecting assembly, and the transverse connecting assembly is perpendicular to the contact face. A plurality of folding unit frames are connected with each other to form a frame structure, the frame structure takes the shaft rotating seats as connecting nodes, and two connecting rod pieces which are connected with the same shaft rotating seat and are perpendicular to each other are connected through node reinforcing fixing pieces. According to the scaffold, the folding unit frames serve as single bodies, the structural design is reasonable, operation is easy and convenient, the storage size is small, and the construction efficiency is high.

The utility model provides a skin rolling rib forming device applied to an airplane. The skin rolling rib forming device comprises a rectangular structural framework, a forming female die used for supporting a skin and a forming wheel module used for extrusion forming of the skin. The forming female die is arranged on the bottom edge of the structural framework, and the forming wheel module is arranged in the structural framework in the mode that the forming wheel module can move up and down along the side edge. The structural framework is provided with a position adjusting device for adjusting the edge positions of the rolling ribs and the skin; the structural framework is further provided with a depth adjusting device for adjusting the forming wheel module and the machining depth. The utility model has the beneficial effects that the process innovation is mainly carried out from two aspects, the economical efficiency and the forming quality are emphasized, and different from the high mold cost input of the traditional mold pressing and skin drawing forming scheme and the mold pressing forming integrated forming scheme, the rib rolling process is innovatively used for forming the integrated ultra-light skin part, and the production efficiency is improved. And meanwhile, good skin flatness quality is obtained.

A safety gate has: a structural frame including a pair of columns spaced from one another along a peripheral edge of an elevated platform to define a ledge entrance to a staging area of the elevated platform; a ledge gate; and a staging gate; and in which the ledge gate and the staging gate are connected to move together relative to the pair of columns: into a loading configuration when the ledge gate rises and pitches upward, and the staging gate lowers and unfolds laterally away from the pair of structural columns, to allow a) the ledge gate to open the ledge entrance and b) the staging gate to enclose the staging area; and into an unloading configuration when the ledge gate lowers and pitches downward, and the staging gate rises and folds laterally toward the pair of structural columns, to allow a) the ledge gate to close the ledge entrance and b) the staging gate to expose the staging area.

A seat back for an office chair is efficiently manufactured and assembled. The seat back includes a tensioner for tensioning a flexible support on the structural frame. The tensioner is connected between the lower edge of the flexible support and the upright members of the frame such that the tensioner stretches the flexible support between the upper and lower edges of the flexible support and maintains the flexible support in tension on the structural frame. An armrest mount may be formed integrally with each of the upright members of the structural frame, and an armrest housing vertically adjustably mounted to each of the armrest mounts. An activation mechanism is positioned adjacent to the lower end of the armrest housing, and is connected to a lock element such that movement of the activation mechanism toward the upper end of the housing causes the lock element to move to an unlocked position.

The utility model provides a steel bar component assembly type stiff framework which comprises a frame type framework structure, two layers of staggered main bar positioning and supporting structures are arranged at the top end of the frame type framework structure, and a plurality of stirrup and drag hook bar limiting mechanisms are arranged on the frame type framework structure. A plurality of stirrup comb tooth rods are further arranged outside the frame type framework structure, the main reinforcement positioning and supporting structure is composed of two symmetrically-arranged clamping blocks, and the distance between the two clamping blocks is larger than the diameter of a main reinforcement of the steel bar component and smaller than the diameter of a straight thread sleeve at the end of the main reinforcement of the steel bar component. Horizontal stirrups and draw hook ribs are positioned through the stiff framework, main ribs are vertically limited, and the main ribs can freely move in a certain range when steel bar components are hoisted and connected, so that the problem that connection is difficult by adopting a matching method and a common straight thread sleeve is solved, the construction efficiency is improved, and the engineering construction quality is ensured.

The low-speed maglev large-span bridge end super-large displacement track row expansion device is used to realize high-precision maglev track and foundation structure deformation coordination control, and well solves the expansion deformation of the bridge end super-large displacement caused by temperature difference. The track row structure unit is continuously arranged from the main span side pier to the boundary pier on the top surface of the bridge body, the longitudinal front end of the first track row structure unit is anchored and connected with the main span beam body through the anchoring device, and the last track row structure unit longitudinally spans the super-large beam joint. The main body of the track row structure unit includes the bearing rail beam segment and the frame type track row unit, the bearing rail beam segment is integrated with the main span beam body, the frame type track row unit is installed on the bearing rail beam segment through the elastic strip fastener, and the bearing rail beam segment and the frame type track row unit are provided with longitudinal expansion structure and vertical and horizontal limiting structure. A pair of F-shaped guide rails are fixedly installed on the top surface of the frame type track row unit in transverse direction, and the wing plate joint is arranged between the longitudinally adjacent F-shaped guide rails.

The invention discloses a welding device and method for a steel structure frame, and relates to the technical field of steel structure frame welding. The device comprises a bottom plate, two movable welding assemblies are arranged on the bottom plate, two control seats are arranged on the bottom plate, the two control seats are arranged between the two movable welding assemblies, two movable seats are arranged on the two control seats, two rotating plates and two bearing plates are arranged on the opposite faces of the two movable seats, the bearing plates are arranged on the lower sides of the rotating plates, and the rotating plates are arranged on the lower sides of the bearing plates. The control base and the movable base are both hollow, a screw rod is rotationally connected to the bottom wall of the control base, a control mechanism is arranged on the screw rod, the outer surface of the screw rod is sleeved with a threaded sleeve in a threaded mode, and an L-shaped rod is fixedly connected to the outer surface of the threaded sleeve. And the steel structure frame is turned over automatically, the welding time of the steel structure frame is not affected too much, and the welding efficiency and speed of the steel structure frame are further guaranteed.

The invention discloses a hot riveting welding device for ship steel structure machining. The hot riveting welding device comprises a machine body. Through cooperative use of the first bending mechanism and the drilling mechanism, the two sides of a steel structure plate are synchronously bent for three times to form a semi-finished product, a plurality of sets of riveting holes are sequentially formed in a third folded edge, and during drilling, the riveting efficiency is greatly improved. A whole formed by a second folding edge, a third inclined face, a second lifting piece and a shielding plate blocks an opening in the left side of a fixing frame, a first automatic cover plate blocks an opening in the right side of the fixing frame, a space is formed, chippings generated in the drilling process can only be collected in a collecting box, and then a steel structure frame is formed through a second bending mechanism; and finally, rivets are sequentially inserted into the overlapped riveting holes of the two third folded edges in the steel structure frame through the hot riveting welding mechanism, hot riveting welding is conducted on the rivets in sequence, a finished product is formed, the whole process is automatically operated, and the production efficiency of the cuboid frame for the ship is improved.

An apparatus for supporting a first ballistic shield and a second ballistic shield is disclosed. The apparatus has a structural frame, and a wheel assembly rotatably attached to a structural connector of a base assembly of the structural frame. The structural frame is configured to removably attach to the first ballistic shield. The structural frame is configured to removably attach to the second ballistic shield. The wheel assembly includes a plurality of axles spaced away from the structural connector and configured to rotate about the structural connector when the wheel assembly rotates.

The utility model relates to the technical field of vehicle body structures, and provides an axle and a vehicle, the axle comprises at least two cross beams and at least two longitudinal beams, each cross beam and each longitudinal beam enclose to form a frame structure, and the frame structure is an integrally formed structure. The axle is composed of the multiple transverse beams and the multiple longitudinal beams, the frame structure is defined by the transverse beams and the longitudinal beams, and the frame structure is achieved through integrated forming processes such as integrated casting, integrated numerical control machining and integrated powder forming. Compared with an axle connected through welding, the strength of the connecting point position of the integrally-formed axle is higher, and the connecting position with the more accurate position is provided for follow-up connection of other equipment.

A product includes a mesh member and a structural framework. The mesh member comprises a set of filaments of polymeric material, wherein at least two members of the set of filaments are looped and bonded to each other. The structural framework is embedded within the mesh member. A stiffness of the structural framework is greater than a stiffness of the mesh member.

Disclosed herein is a hoist tool including a hoist frame and a base structure. The hoist frame includes a structural framework having a first end and a second end and at least one first rotation-enabling coupling at the second end of the structural framework. The base structure includes at least one second rotation-enabling coupling configured to engage with the at least one first rotation-enabling coupling of the hoist frame. The at least one second rotation-enabling coupling of the base structure defines a rolling axis. The hoist frame is selectively movable by the hoist to position the at least one first rotation-enabling coupling into engagement with the at least one second rotation-enabling coupling and when coupled and when the assembled structure is coupled to the hoist frame, the hoist frame is selectively rotatable about the rolling axis, relative to the base structure, to enable a rollover of the assembled structure.

The utility model discloses a connecting channel structure of a climbing frame and a tower crane, which is characterized in that a frame structure is fixed on the climbing frame through a steel pull rod and a bottom frame, can move upwards along with climbing of the climbing frame, and only needs to be mounted and dismounted once, so that frequent mounting and dismounting operation of a steel pipe fastener type channel in the traditional technology is avoided, and the construction step of mounting and dismounting for multiple times is omitted; therefore, manpower is saved, the labor intensity of field worker construction is reduced, the construction period is shortened, and the construction efficiency is improved. A frame structure is adopted as a force bearing main body of the channel, and handrails, a steel fence net and a punching protective net are added as reinforcing structures, so that compared with a traditional channel, the channel has higher stability and reliability, and the safety risk is reduced; the turnover plate is arranged on the bottom frame, the turnover plate can be in lap joint with a tower crane standard knot during use, a pedal is provided for passing of a tower crane driver, the falling risk of the tower crane driver is reduced, the turnover plate is taken back when the climbing frame needs to climb, and the climbing frame is flexible and convenient to use.