1138 results about "Column structure" patented technology

The invention discloses a bridge support column structure reliability design evaluation method, and relates to the technical field of bridge design evaluation, and the method comprises the steps: obtaining a first modeling data set based on a bridge support column structure design drawing, and building a to-be-evaluated three-dimensional model and a finite element model; generating a first simulated traffic flow, performing simulation by applying a load to obtain standard state stress data, and performing screening to obtain a key stress surface; the statically-determinate structure creep force of the key stress surface is calculated, and the evaluated damage life is obtained through calculation based on the statically-determinate structure creep force; generating a second simulation traffic flow, performing simulation to obtain offset state stress data of the key stress surface, and performing calculation based on an offset nonlinear regression equation to obtain anti-offset reliability; establishing an anti-impact reliability performance function, generating a simulation impact combination through a Monte Carlo algorithm, and determining an anti-impact reliability simulation value; and based on the anti-offset reliability and the anti-impact reliability, a fusion robustness value is obtained through calculation, and threshold judgment is carried out to obtain an evaluation result.

The utility model discloses a novel air rib type inflatable membrane structure which comprises a main body structure formed by combining a plurality of independent air rib inflatable columns side by side from front to back, a grid drawstring structure is laid outside each air rib inflatable column, and each grid drawstring structure is composed of an axial drawstring, an annular drawstring and an inclined drawstring. The grid drawstring structure is provided with connection fixing points on the front side and the rear side of the air rib inflation columns, and the adjacent air rib inflation columns are connected through the connection fixing points. The limitation of the tensile strength of the PVC film material is broken through through the inflatable column external constraint drawstring net, and a mixed structure form of internal air pressure support and external drawstring net pulling is formed, so that the structure form is more stable, and the load resisting capacity is high; the air rib inflatable column structure of the external constraint drawstring net relieves the local stress concentration of the inner arc generated by the stress characteristic of the arc arch column, and the safety of the whole structure is effectively improved. And a modularized assembly structure form is adopted, so that disassembly, assembly and movement are convenient.

The invention discloses a historic building cylindrical structure inclination measurement method considering irregular surfaces and measurement errors, and the method comprises the steps: measuring the three-dimensional coordinates of measurement points at different section heights of a historic building wood structure cylinder with a cutting or irregular surface; determining an optimal solution after a certain error is removed from the coordinates of the circle center of the section by adopting a self-adaptive random sampling consistency algorithm, then obtaining the central axis of the cylinder according to principal component analysis, and calculating the included angle of the earth normal vector of the central axis of the cylinder, namely the inclination angle of the historic building wood structure cylinder. By using the algorithm, the influence of cutting or irregular surfaces and measurement errors on historic building wood structure cylinder inclination measurement can be eliminated, and the reliability and the accuracy of a measurement result are effectively improved.

The invention discloses a CT scanning patient supporting framework, device and method based on vertical and horizontal dual-purpose adaptation, and relates to the technical field of CT equipment. The direction adjusting supporting structure is arranged on the bottom supporting base structure in a controllable positioning type through connection mode; the two groups of horizontal driving structures are respectively assembled at the top and bottom of the lifting upright post structure; the supporting assembly structure is in transmission assembly connection with the lead screw assembly; and the positioning assembly is arranged on the supporting assembly structure and is connected with the control module through a circuit. The problem that in the prior art, a CT scanning device is poor in adaptability corresponding to different vertical and horizontal states is solved.

The invention relates to the technical field of three-dimensional model construction, in particular to a building three-dimensional model construction method and system based on digital measurement, and the method comprises the following steps: carrying out the region separation of building wall surfaces, windows and column structures in data based on collected point cloud data, screening the geometric attributes of each region, and carrying out the matching processing, extracting space contour points, and calculating geometric morphology parameters of multiple regions to obtain a geometric feature mapping table; according to the method, the hierarchy and operability of the data are improved through region separation and geometric attribute matching, so that the three-dimensional model is more accurate when presenting complex building details, design errors caused by insufficient precision of the three-dimensional model are avoided when the practicability and aesthetic property of a building design scheme are evaluated, and the accuracy of the three-dimensional model is improved. Through efficient fitting of the point cloud data and optimization processing of geometric errors, the time cost and potential errors caused by manual adjustment are reduced, and the overall quality of the building model is improved.

The present application relates to the field of medical devices, and provides a back plate adjustable exoskeleton, comprising: a column structure and a control module, the column structure is slidably connected with a back plate mechanism, and a lower limb exoskeleton connected with the back plate mechanism, and the back plate mechanism is provided with a back plate which can move up and down relative to the back plate mechanism; further comprising: a binding device arranged on the lower limb exoskeleton and a foot bottom exoskeleton, the foot bottom exoskeleton is provided with a pressure sensor. When the human body wears the exoskeleton and changes from a sitting posture to a standing posture, the back plate mechanism adjusts the back plate mechanism along the column structure to the height matched with the user according to different body shapes of the user; and when the user changes the posture in the walking process in the standing posture, the foot bottom exoskeleton detects the change of the foot bottom pressure, so that the control module can control the up and down movement of the back plate relative to the back plate mechanism according to the foot bottom pressure to adjust the human body posture.

The invention discloses a stirrup assembly type concrete beam column structure, which relates to the technical field of building structures and comprises a prefabricated lower column, a prefabricated upper column, a left superposed beam and a right superposed beam, the prefabricated lower column, the prefabricated upper column, the left superposed beam and the right superposed beam are distributed in a cross-shaped beam column structure; unique double-spiral stirrup configuration is applied to the column body, so that the torsion resistance and the bearing capacity are enhanced; the longitudinal bars and the stirrups are reasonably arranged on the superposed beam, so that the bending resistance and the shearing resistance are guaranteed. At the joint, the T-shaped channel steel plates, the fixing blocks and the hinged tension connecting rods form an energy dissipation system, and earthquake energy is effectively dissipated. The column body connection adopts the combination of a full-grouting nodular cast iron sleeve and a frame-shaped steel belt, and is matched with a post-pouring laminated layer to realize rigid connection. The limiting mechanism anchors a T-shaped channel steel plate through a double-end pull rod and a self-locking nut, a limiting clamping plate and a torsion spring form anti-pulling self-locking, the anti-seismic property of the joint is enhanced by combining a hinged tension connecting rod, and the structural reliability is improved.

The invention provides a distributed connector framework applied to a parallel winding type superconducting coil and a winding method thereof, the distributed connector framework comprises an upper framework and a lower framework which are oppositely arranged, the lower framework comprises a lower disc and a central column, and the central column is arranged on the lower disc and is in a spiral protrusion shape; a spiral gap exists between the spiral lines of the central column, the inner end of the strip is embedded in the strip groove and is fixedly arranged in a strip track formed by the spiral gap, and the inner side of the superconducting coil is supported by the central column; the upper framework comprises an upper disc and an outer column, the outer column is arranged on the upper disc and is in a circular-ring-shaped protrusion shape, the outer column and the center column are coaxially arranged and located outside the center column, a gap is formed in the outer column and used for leading out the strip outer end of the superconducting strip, and the outer side of the superconducting coil is supported through the outer column. The spiral central column structure is adopted, the contact area between the end strip and the framework is increased based on the spiral central column structure, the joint resistance of the parallel winding type high-temperature superconducting coil can be further reduced, and the heat loss problem of the joint is effectively relieved.

The utility model discloses a stepped side wall of a railway wagon, which relates to the technical field of railway open wagons and comprises a side wall plate, an upper side beam arranged at the top of the side wall plate, a plurality of inner side columns arranged on the inner side of the side wall plate at intervals and outer side columns arranged on the outer side of the side wall plate at intervals. Each side wall plate comprises an upper side plate and a lower side plate arranged below the upper side plate, each outer side column is arranged below the upper side plate, and each inner side column is welded to the inner side of the upper side plate and the inner side of the lower side plate; the inner side columns and the outer side columns are the same in number and correspond to each other in position in a one-to-one mode to form a side column structure, and the lower side plates are located between the inner side columns and the outer side columns. And a stepped side wall plate structure is arranged in the lower side plate. The door opening structure is reasonable in design, and prevents the door opening from being deformed and damaged by reducing the space between the side columns and canceling the free surface of the lower side plate at the door opening. The combined side column structure of the inner side column and the outer side column is adopted, the section of the side column is increased, the connecting structure of the side column and the chassis cross beam is optimized, and the external expansion resistance of the side wall is improved.

The utility model discloses an assembly type beam column structure for building engineering construction, which relates to the technical field of building engineering construction and comprises a steel column and a mounting seat fixedly sleeved on the steel column, a mounting groove is arranged at the intersection of the side wall of the mounting seat and the upper surface of the mounting seat, and an inserting groove is arranged on the inner bottom wall of the mounting groove; one end of the cross beam is arranged in the mounting groove, an inserting block matched with the inserting groove in an inserting mode is fixed to the bottom of the cross beam, and the section of the inserting block and the section of the inserting groove are both in a dovetail shape; a fixing plate is further included, the fixing plate is arranged in the mounting groove and slidably connected with the inner wall of the mounting groove, and a lifting assembly is mounted on the mounting base. One end of the cross beam is placed in the mounting groove, the inserting block is matched with the inserting groove in an inserting mode, the cross section of the inserting block and the cross section of the inserting groove are both in a dovetail shape, so that the horizontal movement of the inserting block and the cross beam is limited, and the cross beam is limited through the lifting assembly and the fixing plate, so that the cross beam is rapidly mounted or dismounted.

The utility model provides a square steel tube concrete combination column internally filled with stones. The square steel tube concrete combination column comprises a square steel tube, a concrete layer and a column core group, the column core group is coaxially arranged in the square steel tube, and the concrete layer is filled in the spare part in the square steel tube; the column core group comprises angle steel, a stone column, a batten plate group and a limiting assembly, the positioning mechanism is used for positioning the array position of the four angle steel, the integrity and the position of the column core column are ensured, the combined column can remarkably improve the axial pressure bearing capacity and the integrity, and the combined column has the advantages of being high in compressive strength, low in manufacturing cost and the like; according to the construction method, local materials are used according to the building characteristics of the Fujian area, waste stone in demolished stone structure buildings is fully utilized in the concrete-filled steel tube combination column structure, the problems of insufficient axial compression strength and bearing capacity of the concrete-filled steel tube combination column structure can be solved, the concrete consumption of a newly-built structure can be greatly reduced, and the construction cost is reduced. The method for reducing the cost and reducing the environmental pollution is a technology which is suitable for the green and sustainable development demand of the society.

The utility model discloses a primary and secondary fusion complete column-mounted circuit breaker and a conductive column structure thereof, and relates to the technical field of column-mounted circuit breakers, the conductive column structure comprises a third conductive column and an insulating column, the insulating column comprises a first insulating column and a second insulating column connected to the lower end of the first insulating column through a spring, and the lower end of the first insulating column is provided with a guide column. A blind hole is formed in the upper end of the second insulating column, a guide sleeve is arranged at the bottom of the blind hole, and the guide column is arranged in the guide sleeve in a sliding fit mode; the runner is arranged on the side wall of the guide sleeve, an orifice at one end of the runner is positioned at the bottom of the inner side of the guide sleeve, and an orifice at the other end of the runner is positioned on the upper end surface of the guide sleeve; the one-way valve is used for controlling fluid in the flow channel, the control is that the one-way valve allows the fluid in the guide sleeve to flow out through the flow channel, the pole-mounted circuit breaker comprises the conductive pole structure, and according to the scheme, the opening time of the pole-mounted circuit breaker can be effectively shortened, and the opening response speed is increased.

The invention belongs to the technical field of buffers, and particularly relates to a mandrel type and piston type liquid-gas buffer which overcomes the conventional technical prejudice of technicians in the field (generally research and development are carried out in the direction of improving the machining precision of a conical structure), and a conical column structure is improved into an equal-diameter cylindrical structure. The diameter of the cylindrical structure is equal to that of an inner hole in the core shaft seat, a plurality of damping grooves are formed in the shaft rod, and the groove structure is gradually sparse. On one hand, the machining difficulty of the cylindrical structure with the equal diameter and the requirement for the machining precision are greatly reduced, the cost is relatively reduced, in addition, the cylindrical structure and the inner hole in the mandrel base are equal in diameter, the damping grooves are formed in the surface of the mandrel body, the buffering performance is better, the damping groove structure serves as an oil channel, buffering force can be evenly distributed, and the service life of the mandrel is prolonged. And when an impactor with larger kinetic energy impacts, the condition that the mandrel is stuck on the mandrel seat is avoided.

The present disclosure provides a thin-layer low-frequency underwater sound insulation metamaterial, including two cover plates and a sound insulation layer. The sound insulation layer is composed of sound insulation components arranged in an array periodically. The sound insulation components each include a sound insulation unit and four connecting units. The sound insulation unit is of a hollow rectangular column structure. The four connecting units are arranged at four corners of the sound insulation unit. Every two adjacent sound insulation units are connected through the connecting units. A long side wall of the sound insulation unit and the corresponding cover plate have an included angle of 0-90°. The metamaterial can obtain a smaller equivalent acoustic impedance in propagation direction of acoustic waves, and compared with a sound insulation material of a square honeycomb structure with the same thickness, the metamaterial has greatly improved sound insulation performance.

The invention discloses an aquaculture net cage truss main structure which comprises a base platform structure and a truss structure, and the base platform structure is provided with a stand column structure; the base platform structure is provided with a buoyancy tank assembly and a support reinforcing structure; the base platform structure and the buoyancy tank assembly form a rectangular frame structure. The invention further discloses a using method. The base platform structure and the buoyancy tank assemblies are arranged to form a rectangular frame structure to guarantee the strength of the main structure of the aquaculture net cage truss, the supporting reinforcing frames are arranged in a matched mode to form various supporting structures, the impact resistance of external force such as wind and sea waves is improved, and the overall stability is improved; the buoyancy tank assembly composed of the first buoyancy tanks and the edge buoyancy tanks is used for improving the adjustable efficiency of lifting, preventing the situation of deviation and toppling and improving the stability of lifting, when one of the buoyancy tanks breaks down, only the faulted buoyancy tank needs to be replaced, and the maintenance efficiency and cost are reduced.

The invention discloses a prefabricated welded water-stop steel plate column stirrup column penetrating structure, tool and construction method, and the construction method comprises the following operation steps: step 1, taking a section of water-stop belt steel plate as a column inner plate water-stop belt, and preparing a prefabricated welded water-stop steel plate column stirrup column penetrating tool, the prefabricated welded water stop steel plate column stirrup column penetrating tool comprises a fixing tool and a clamping tool, and a column inner plate water stop belt is fixed to the fixing tool; the invention relates to the technical field of water stop steel plate column penetrating construction, and has the beneficial effects that a column inner plate water stop belt and a multi-bend column stirrup are pre-welded and spliced in a factory through the prefabricated welding water stop steel plate column stirrup column penetrating tool to form a prefabricated assembly; during construction, only the prefabricated assembly needs to be directly sleeved with the longitudinal rib and bound, operation is easy, the construction efficiency is improved, the construction period is shortened, a large amount of welding work does not need to be conducted on a building site, and the safety coefficient is increased.

The utility model discloses a prefabricated column reserved steel bar positioning device, which is arranged on the reserved steel bar at the upper end of the prefabricated column structure, and includes a first positioning device and a second positioning device. The first positioning device is arranged below the second positioning device. The first positioning device includes a steel bar frame composed of steel bars, and the edges of the steel bar frame form steel bar positioning holes. The second positioning device includes a hollow steel plate and a hollow bolt. Sliding grooves are evenly opened on the hollow steel plate. Some hollow bolts are vertically penetrated in the sliding grooves, and the remaining hollow bolts directly pass through the hollow steel plate vertically. The lower end of the hollow bolt is limited by a nut. The positions of the steel bar positioning hole and the hollow bolt correspond to the positions of the reserved steel bars respectively. The reserved steel bars pass through the steel bar positioning hole and the hollow bolt in sequence to achieve positioning. The utility model is provided with two positioning devices for positioning, which effectively controls the positioning accuracy of the reserved steel bars of the prefabricated column, and greatly improves the success rate of the one-time installation of the prefabricated column.

The clamp comprises a shell, the shell is of a hollow tetragonal prism structure with an opening in one end, a positioning groove is formed in the inner bottom wall of the shell and used for positioning the high-precision six-axis inertial navigation product, a fastening bolt set is installed on the side wall of the shell, and the fastening bolt set is connected with the shell. The device further comprises a pressing piece set installed on the high-precision six-axis inertial navigation product, and the fastening bolt set and the pressing piece set are both used for clamping a sensor on the high-precision six-axis inertial navigation product. According to the utility model, inertial navigation products can be quickly assembled, manpower and time are saved, and the production efficiency of the products is improved.

The utility model belongs to the technical field of composite box bodies, and discloses a composite box body structure of a draw-bar box, which comprises a draw-bar box body, and two symmetrical mounting grooves are fixedly connected below the draw-bar box body. Through mutual cooperation of a mounting groove, a clamping block, a clamping column and other structures, the effect of replacing a damaged universal wheel is achieved, during moving, a rotating handle is manually rotated to enable an adjusting block to apply pressure to a connecting block, and the height of a moving wheel is adjusted to the proper size; the elastic force generated by the buffer spring buffers the vibration sense generated by bumpy road surfaces with different heights, and if one rotating handle is damaged, the clamping column needs to be pulled, so that the rotating handle is separated from the mounting groove, and the other intact rotating handle is mounted in the middle of the mounting groove to support the draw-bar box body; through cooperation of the mounting grooves, the clamping blocks and the clamping columns, when the universal wheels are damaged, the universal wheels can be replaced, and the problem that movement is affected is solved.

The utility model discloses a display screen support stand column structure which comprises a fixing base, a first-level angle adjusting assembly is arranged on the fixing base, a connecting stand column is hinged to the first-level angle adjusting assembly, and the connecting stand column is perpendicular to the fixing base. A second-level angle adjusting assembly is hinged to the side, away from the first-level angle adjusting assembly, of the connecting stand column, and a display screen fixing panel is arranged on the second-level angle adjusting assembly. The utility model belongs to the technical field of display screen supports, particularly relates to a stand column structure of a display screen support, solves the problems that an existing support is complex in connecting structure, and stability and cost are difficult to control at the same time, and achieves the technical effects of improving assembly efficiency and reducing production cost.

The application provides a high-speed silk falling and paper tube mounting device, which comprises a lifting box assembly, a main body support frame assembly, a lifting assembly and a moving assembly; the upper end of the main body support frame assembly is a beam structure, the side is a column structure, the moving assembly is rotationally arranged on the beam structure, and the lifting box assembly is slidably connected with the column structure through the lifting assembly; the lifting box assembly has two states, when the lifting box assembly is on the upper side, the moving assembly moves, when the work station is reached, the lifting box assembly moves to the lower side, and the mounting and dismounting of the silk cake or the paper tube are completed. The operation of mounting the paper tube and taking the silk cake can be automatically and efficiently realized, the automation and efficiency of the silk falling and paper tube mounting are improved, and the construction of an intelligent workshop is realized.

The invention discloses a detection and correction system and method for a bridge pier stud, and the system comprises a sensor module, a data collection and transmission module, a data processing and analysis module and a correction execution module, and the detection and correction method comprises the steps: starting to collect the inclination, strain and displacement data of the pier stud according to a preset collection frequency; collected data are sent to the data processing center through the data transmission module. In the data processing center, the data is preprocessed, and noise and abnormal values are removed; specific problems of the pier column are determined through data analysis, and a correction scheme is formulated according to an analysis result; and starting a correction execution module according to the formulated correction scheme. The pier stud is continuously and effectively monitored and corrected in time, it is ensured that the pier stud structure is always in a good state, and the risk that traffic is interrupted due to bridge sudden failures caused by the pier stud structure problem is reduced.

The invention relates to the technical field of crane stand column structures, in particular to a high-strength and high-stability ship crane stand column frame structure which comprises a ship crane cross beam, a telescopic beam is movably installed at the front end of the ship crane cross beam, and a rotating stand column frame structure is arranged below the ship crane cross beam. The device has the beneficial effects that the structure of the crane stand column base is designed to be matched with the structure of the rotating stand column frame, and during normal work, the stand column supporting disc and the movable locking block are kept consistent and surround the outer side of the gyro-imitating stable structure, so that the limiting effect is achieved, and the whole device can resist external force possibly causing overturning; the telescopic rod works to drive the movable locking block to synchronously move inwards, at the moment, the movable locking block, the built-in locking block and the movable extrusion tongue synchronously move, the external locking block is inserted into the locking groove, the gyro-like stable structure is locked, the overall stability is improved, and the possibility of overturning caused by strong wind is avoided.

The invention discloses a hydraulic engineering image-oriented table structure intelligent extraction method and system. The method comprises the steps that a hydraulic engineering image is acquired and preprocessed; inputting the preprocessed hydraulic engineering image into the improved HAWP model to obtain predicted candidate line segments; performing clustering operation on the candidate line segments to obtain a preliminary table framework line segment set; performing secondary screening on the line segments excluded in the clustering process, then adding the line segments into the preliminary table frame line segment set again, and performing operations of combining broken line segments and eliminating redundant and isolated line segments to obtain an updated table line segment set; determining an external boundary of the table, analyzing a row-column structure and row-height-column-width distribution in the table, identifying and merging a cell region, and generating a complete table structure model; intersection points of all horizontal lines and vertical lines are calculated, a cell coordinate system is established, the complete table structure model is converted into two-dimensional matrix data, and a row-column network model is generated. According to the invention, the precision and robustness of table structure extraction can be improved.

The invention relates to the technical field of steel reinforced concrete construction equipment, in particular to a large-span steel reinforced concrete beam column structure construction joint reinforcing device which comprises a supporting platform placed on the construction ground, and supporting columns are symmetrically installed on the top of the supporting platform and close to the edge of the supporting platform. A main hydraulic push rod is installed in the middle of the upper end face of the supporting platform, a U-shaped plate is fixedly connected to the end face of a piston rod at the top of the main hydraulic push rod, positioning lugs are welded to the outer walls of the two sides of the U-shaped plate and inserted into the outer walls of the supporting columns, and a reinforcing structure for externally fixing the steel reinforced concrete beam column construction joint is installed at the top of the U-shaped plate. The reinforcing structure comprises an outer shell fixedly connected with the U-shaped plate, inclined holes are symmetrically formed in the bottom of the outer shell, a secondary hydraulic push rod is installed at the bottom of the outer shell, and a top piston rod of the secondary hydraulic push rod penetrates through the outer shell. The method has the reinforcing requirement suitable for gradient interface construction nodes, and the applicability is wider.

The utility model discloses an assembly type dry connection concrete special-shaped column component. The assembly type dry connection concrete special-shaped column component comprises column body concrete, common steel bars and a plurality of prestressed tendons. The column body concrete is provided with a plurality of holes which longitudinally penetrate through the column body and are used for containing the prestressed tendons, the common steel bars comprise stirrups and common longitudinal bars which are connected with each other, the common steel bars are only arranged on the column body and do not penetrate through a column section connecting interface, and the prestressed tendons longitudinally penetrate through the whole length of the component and penetrate through the column section connecting interface. The assembly type dry connection concrete special-shaped column component is simple in structure, convenient to install, good in anti-seismic performance and capable of being better matched with wall arrangement of a room, the better using effect that the structure does not protrude out of the wall is easily achieved, and the assembly type dry connection concrete special-shaped column component has obvious engineering advantages. And meanwhile, the connection problem and the anti-seismic safety problem of a fabricated concrete special-shaped column structure are solved, and the technical problems that in the prior art, steel special-shaped columns are adopted, so that the cost is high, and the fireproof and anti-corrosion performance is poor are solved.

The utility model relates to a finalization operation platform suitable for binding steel bars of a cylinder structure, which belongs to the technical field of building construction and comprises a finalization platform outer frame, two supporting platform plates are fixedly mounted on the inner side of the finalization platform outer frame, and the two supporting platform plates are fixedly mounted on the supporting platform plates. An outer side assembly facilitating overall arrangement is installed on the outer side of the finalization platform outer frame, and an expansion assembly used for increasing the standing space during construction is installed on the surface of the supporting platform plate. The extension assembly comprises a plurality of I-shaped frames fixed to the top of the supporting platform plate, I-shaped steel beams connected to the inner sides of the I-shaped frames in a sliding mode, and extension supporting plates fixedly installed between the outer sides of the I-shaped steel beams on the same side. According to the finalization operation platform suitable for binding the steel bars of the column structure, a hole in the center can be properly adjusted on the basis that the operation platform is directly formed in the outer side of the column structure conveniently, and the application range of the operation platform can be greatly widened.

To provide a column structure capable of suppressing damage when receiving a horizontal load.SOLUTION: A column structure includes a column body supporting a load in a vertical direction, and a side plate attached to at least a part of a side surface of the column body and divided into two or more divided plates in a vertical direction.SELECTED DRAWING: Figure 1

The invention relates to the field of medical apparatus and instruments, and provides an exoskeleton with an adjustable backboard, the exoskeleton comprises a column structure and a control module, the column structure is slidably connected with a backboard mechanism and a lower limb exoskeleton connected with the backboard mechanism, and the backboard mechanism is provided with a backboard capable of moving up and down relative to the backboard mechanism; the binding device and the plantar exoskeleton are arranged on the lower limb exoskeleton, and the plantar exoskeleton is provided with a pressure sensor. When a human body wears the exoskeleton and is changed into a standing posture from a sitting posture, the back plate mechanism is adjusted upwards to the height matched with a user along the stand column structure according to different body types of the user; when the user walks in the standing posture state, the posture of the human body changes, at the moment, the plantar exoskeleton detects the change of plantar pressure, and the control module can control the back plate to move up and down relative to the back plate mechanism according to the plantar pressure so as to adjust the posture of the human body.

The invention relates to the field of machine tool stand column optimization, and provides a multi-target topological optimization method, device, equipment and medium for a machine tool stand column structure, and the method comprises the steps: carrying out the internal filling processing and target feature deletion processing of a three-dimensional structure of a machine tool stand column, and obtaining a target three-dimensional model; analyzing the target three-dimensional model to obtain column guide rail deformation information and column multi-order frequency; determining an optimization strategy based on the optimization constraint and the optimization target; the optimization constraint comprises upright post mass, upright post guide rail deformation information and upright post multi-order frequency; the optimization target is the total flexibility of the vertical column under multiple working conditions; based on the optimization strategy, reconstruction optimization is carried out on rib plates in the stand column at the positions of the bearing rib plates; the position of the bearing rib plate is determined based on an optimization area in the stand column. According to the method, through multi-target collaborative optimization of the machine tool stand column, the adaptability of the optimized stand column in actual use is improved.