1096 results about "Cross over" patented technology

The embodiment of the invention relates to a multi-round medical image annotation method and device introducing a cross validation mechanism, and the method comprises the steps: transmitting a first image to a plurality of expert annotation interfaces, and merging the feedback annotation sets of all interfaces to obtain a first annotation set; setting cross validation items of every two annotation boxes in the first annotation set and constructing a corresponding cross validation matrix; on the basis of a cross validation matrix, dispute-free annotation box extraction, dispute-free annotation box aggregation and consistency score estimation are carried out; if the score is lower than a threshold value, a round of multi-person labeling is initiated again, otherwise, when the dispute labeling box set is empty, the non-dispute labeling box set serves as a final labeling result, when the dispute labeling box set is not empty, reexamination is conducted on the dispute labeling box set, and a set of the reexamination result and the non-dispute labeling box set serves as the final labeling result. According to the method, the labeling error of each image can be reduced, the overall labeling quality of all the images is improved, and the stability of the overall labeling quality is guaranteed.

Embodiments included herein are directed towards a method for use in an electronic design. The embodiments may include causing, at a graphical user interface, a display of a portion of the electronic design. The method may further include determining a location of a mouse cursor at the graphical user interface. The method may also include automatically displaying at the graphical user interface one or more shapes associated with a current fabric. The method may additionally include automatically performing a cross fabric shape query associated with the location of the mouse cursor. Furthermore, the method may include automatically displaying one or more cross fabric shapes at the graphical user interface.

The invention discloses a three-axis differential implementation method based on cross symmetry of double inertial sensors, and the method comprises the following steps: S1, a sensor is an MEMS inertial measurement unit, i.e., an IMU, the IMU uses a right-hand Cartesian coordinate system to define the directions of three sensitive axes of the IMU, and the IMU is used for defining the positive direction of an angular velocity and also used for defining the positive direction of a linear acceleration; s2, in order to realize three-axis difference, rotating the sensor around the y axis by 180 degrees; s3, a result obtained in the step S2 is rotated by 90 degrees around the z axis; and S4, after the step S3, realizing symmetry of the x axis and the y axis through crossing, and realizing three-axis difference through double IMUs by applying a three-axis symmetry principle of an inertial sensor.

The invention discloses a natural ventilation cooling tower and a dumbbell-shaped concrete filled steel tube cross strut thereof, the dumbbell-shaped concrete filled steel tube cross strut comprises four dumbbell-shaped steel tube limb columns and cross nodes, and the end parts of the dumbbell-shaped steel tube limb columns are connected with the cross nodes to form a cross structure; the cross joint comprises a vertical stiffening plate, an upper reinforcing ring, a lower reinforcing ring, a plurality of joint sleeves and a plurality of joint webs, the upper reinforcing ring and the lower reinforcing ring are perpendicularly crossed with the vertical stiffening plate, the joint webs are connected with the joint sleeves, and the joint sleeves, the joint webs, the upper reinforcing ring and the lower reinforcing ring form a dumbbell-shaped structure with the vertical stiffening plate as the central axis. Open holes are formed in the reinforcing rings and used for pouring and circulation of concrete, the four dumbbell-shaped steel pipe limb columns are arranged at the open holes of the upper reinforcing ring and the lower reinforcing ring, and a closed space is formed by the joint sleeve, the joint web, the upper reinforcing ring, the lower reinforcing ring and the four dumbbell-shaped steel pipe limb columns. The problem of material waste caused by rich in-plane directional bearing capacity of a circular section can be solved.

The invention relates to a building space truss construction method and system, a storage medium and electronic equipment, and the building space truss construction method belongs to the technical field of building manufacturing, and comprises the steps: obtaining an upper chord curved surface and a lower chord curved surface, determined by taking a roof curved surface as a reference surface, of a target building; taking the column grid size, the upper chord grid size and the lower chord grid size as input data of a parameterized model, and performing grid structure division on the upper chord curved surface and the lower chord curved surface in the parameterized model to obtain an upper chord, a lower chord and column node group vectors corresponding to the upper chord and the lower chord; performing crossover operation on the column node group vectors corresponding to the upper chord member and the lower chord member to obtain a net rack web member; the space truss of the target building is constructed on the basis of the upper chord member, the lower chord member and the truss web member, the whole process can be automatically carried out through a parameterized model and a corresponding software system, manual construction is not needed, and therefore material waste caused by manual construction is reduced, and the structural performance of the constructed truss is improved.

The invention discloses a steel structure truss steel plate laminated slab pouring platform and a construction method, and relates to the technical field of laminated slab pouring construction. The steel structure truss steel plate laminated slab pouring platform comprises a construction platform support which is formed by connecting support transverse rods, support longitudinal rods, support vertical rods and support inclined rods in an inserted mode; the two telescopic support transverse rods and the two support longitudinal rods are connected in an inserted mode to form a rectangular plane frame, and a stable structure which is 30 cm higher than a floor slab is formed. According to the construction platform support, a stable structure is formed through modular inserting connection, the stable structure is erected on a steel beam of the layer, a bent frame does not need to be erected from the bottom layer, and the problems that a traditional bent frame is small in supporting construction space, cross construction is affected, and an overhanging part cannot be erected are solved; the bolts are adjusted to tension the tie bars to enable the truss steel plates to generate preset inverted arches, load deformation during pouring is counteracted, collapse risks caused by non-support pouring are avoided, the problems of steel bar deformation, node damage and the like caused by direct treading on the truss steel plates by constructors are avoided, and the quality and rigidity of floors are guaranteed.

The utility model discloses a circular working well main body structure which comprises a cylindrical hollow side wall, a top plate located at the top is arranged at the upper end of the side wall, a bottom plate located at the bottom is arranged at the lower end of the side wall, #-shaped crossed internal partition walls are arranged in the internal space of the side wall, and the internal partition walls divide the internal space. And four shield launching and receiving holes are reserved in the lining wall on the inner side of the side wall. According to the utility model, the inverted circular lining wall and the enclosure structure form a superposed side wall, the support rigidity of an internal #-shaped crossed longitudinal and transverse beam (wall) system is large, and structural members are permanently and temporarily combined, so that the stability of the multi-hole structure of the ultra-deep circular working well is enhanced, and the formation deformation is effectively controlled. The longitudinal and transverse beam (wall) system is reasonable in space layout, plate span is reduced, a self-balancing space stress system is formed, the thickness of the top plate and the thickness of the bottom plate are small under the condition of large burial depth, the plate face is flat, arching is not needed, construction is convenient, and space utilization is reasonable.

The utility model relates to a crossed type load-reducing backpack which comprises a back panel, a load-reducing back panel is arranged on the front side of the back panel, load-reducing waistbands are arranged at the bottoms of the left side and the right side of the load-reducing back panel, and two strap extending stress belts are arranged on the side, close to the back panel, of the load-reducing back panel in a crossed mode. Two fixing pieces are fixedly installed on the side, close to the back panel, of the burden reducing back plate, and the bottoms of the two strap extending stress belts are fixedly connected with the corresponding fixing pieces. According to the crossed type load-reducing backpack, by arranging the load-reducing back plate, the strap extension stress belts and the load-reducing waistband, the weight originally concentrated on the shoulders can be effectively dispersed to the waist, the stress burden of the shoulders is greatly reduced, the strap extension stress belts are arranged in a crossed mode and are stably connected with the load-reducing back plate through the fixing pieces, and therefore the load-reducing back plate is more convenient to carry. A scientific stress conduction structure is formed, so that the weight of the backpack can be more uniformly distributed on the back and the waist of a user, and the comfort of carrying the backpack is improved.

The invention discloses an energy consumption damping device matched with a power transmission tower cross joint, and belongs to the technical field of power transmission tower damping. The energy consumption damping device comprises a mounting disc and at least two sets of assembling rod pieces arranged in the circumferential direction of the mounting disc; the rectangular steel pipe is arranged at the end of the outer connecting angle steel in a sleeving mode and fixedly connected with the outer connecting angle steel, and an inserting groove used for being connected with the rectangular steel pipe in an inserting mode is formed in the installation disc. The interior of the rectangular steel pipe, the position between the rectangular steel pipe and the inserting-connecting groove and the position between the rectangular steel pipe and the outer connecting angle steel are all filled with energy dissipation damping materials. The tension-compression synergistic energy consumption unit is constructed by adopting the energy consumption damping material, efficient energy dissipation is realized through three-dimensional hysteretic deformation of the material, and the damping performance and the damping efficiency of the crossed diagonal member node of the power transmission tower structure are greatly optimized; the problems that according to a traditional connecting mode adopted by an existing power transmission tower structure, the energy dissipation capacity is insufficient, and multidirectional deformation is difficult to coordinate are solved.

Systems, methods, apparatuses, and computer program products for improved handling of cross-link interference on physical random access channel occasions on flexible or full duplexing slots are provided. For example, a method can include providing a plurality of random access channel configurations to a user equipment. A first random access channel configuration of the plurality of random access channel configurations can be for a first set of symbols or slots and a second random access channel configuration of the plurality of random access channel configurations can be for a second set of symbols or slots. The method can also include providing, to the user equipment, one or more parameters configured to steer the user equipment to select between the first set of symbols or slots or the second set of symbols or slots to be used when performing a random access transmission. The method can further include receiving a random access transmission on the selected set of symbols or slots based on one of the plurality of random access channel configurations.

The invention discloses a multi-fidelity matrix completion method based on a generative adversarial network, and belongs to the technical field of data fusion. The method comprises the following steps: firstly, performing matrix data enhancement on a complete low-fidelity matrix and a high-fidelity matrix containing missing items to obtain a training set; secondly, selecting training data of which the batch number is B from the training set, fixing the weight of a generator, and updating the weight of a discriminator; selecting new training data of which the batch number is B from the training set, fixing the weight of the generator, and updating the weight of the generator; and in a certain round T, traversing the training set, and minimizing discrimination loss and generation loss through the above weight cross updating method. And finally, inputting the complete low-fidelity matrix and the high-fidelity matrix containing the missing item into the generative adversarial network after weight updating to obtain a complete high-fidelity matrix. According to the method, the missing items in the high-fidelity matrix are complemented by fusing the available items of the complete low-fidelity matrix and the high-fidelity matrix, and the method of complementing and generating the adversarial network through the multi-fidelity matrix is combined, so that the operation is simple and convenient, the practical operability is high, and the application is wide.

The invention relates to the technical field of embedded system software development and continuous integration, in particular to a docker-based AGV (automatic guided vehicle) cross compiling method, which comprises the following steps of: constructing an ARM (advanced RISC machines) root file system on an x86 development host by using a virtualization tool, configuring a header file and a dependency library, and packaging and compressing to obtain an ARM root file system mirror image; pulling the basic mirror image from the public warehouse to create an x86 Docker container, copying the ARM mirror image to a specific path of the container and mounting the ARM mirror image to prepare a Docker mirror image special for AGV cross compiling; writing a CMake cross tool chain file in the container, introducing an ARM mounting path, setting a dependency path and appointing a tool chain; then integrating the commands, automatically updating the container through mirror image ID comparison, and constructing operation commands such as Makefile packaging and compiling and the like at the same time; and finally, calling an integration command to start cross compiling, and generating a program capable of running on an ARM board card of the AGV. According to the method, unified and efficient multiplexing of the AGV cross compiling environment can be realized, the development efficiency is improved, the maintenance cost is reduced, and the method is adaptive to an AGV project needing cross compiling.

The invention relates to a tunnel special-shaped crossed traverse measurement method, which relates to the field of tunnel construction, and comprises the following steps: S1, in a tunnel clearance area, multiple pairs of measurement points are sequentially arranged along the depth direction of a tunnel, and the multiple pairs of measurement points are sequentially distributed on the L side and the R side of the tunnel in a staggered manner; the measuring point positions comprise two single measuring points which are arranged in sequence; s3, additionally measuring the distance between short sides P and P: in three adjacent pairs of measurement points, respectively taking P and P as base points, and measuring first angle observation values and first side length observation values of P (-), P (-), P (+) and P (+); and S4, calculating a second angle observation value and a second side length observation value between the two single measurement points in each pair of measurement points according to the angle observation values and the side length observation values of the two single measurement points in each pair of measurement points in the step S3. The method has the effect of improving the measurement precision.

The utility model relates to a novel turnover wellhead safety protection tool which comprises an upper circular hoop and a lower circular hoop, the upper ends of the inclined rods are hinged to the upper circular hoop and are arranged in a circle at intervals; the hinge joint is of a cross type and comprises a first shaft sleeve and a second shaft sleeve hinged to the first shaft sleeve in a cross mode, and the first shaft sleeve is connected to the inclined rod in a sliding and sleeving mode; the lower circular hoop is sleeved in the second shaft sleeve in a sliding manner; the threaded strips are arranged at the end of the first shaft sleeve at intervals, surround a circle and extend outwards in an arc shape; the rubber pads are laid on the inner side faces of the threaded strips; and the nut is connected with a circle of thread strip around the thread and is arranged at the root of the thread strip. The anti-falling device can protrude out of the upper portion of a well mouth, an anti-falling signboard can be conveniently installed, and the anti-falling device can also adapt to lock mouth ring beams of different specifications.

This disclosure provides methods and techniques of data replication involving cross replication group (RG) references. The present disclosure avoids automatic replication failing when an entity in an RG refers to another entity external to the RG. The entity to be replicated within the RG is referred to as the “referring entity,” and the entity as the dangling reference is referred to as the “referred entity.” Although the referring and referred entities are not replicated together in a replication operation, the referred entity may have already been replicated to the target account in another replication operation on a different replication group. In such cases, the data replication procedure may, according to aspects of the present disclosure, check if the referred entity has already been replicated, and if so, proceed to replicate the referring entity without fail, and link the referring and referred entities to enable normal functioning of the referring entity.

This invention discloses a built-in hinge for a high-load-bearing, high-safety outward-opening window and a method for installing the window sash. The built-in hinge includes a slide rail, a slider, a long rod, a middle rod, a short rod, and a support arm. One end of the long rod is hinged to the slide rail, and one end of the middle rod and one end of the short rod are slidably connected to the slide rail. The middle rod and the short rod are cross-hinged. The other end of the middle rod is connected to the long rod, and the other ends of the short rod and the long rod are connected to the support arm. The hinge points A and B between the middle rod and the long and short rods, and the hinge points C and D between the support arm and the short and long rods, form a quadrilateral ABCD. The connection point on the support arm that fixes the window sash is eccentrically inward towards the line connecting the hinge points CD. During the opening and closing process of the hinge of this invention, the gap between the frame and sash profiles is reduced from the conventional 7mm or more to 4mm, preventing collision between the window sash profile and the window frame profile. This shortens the distance between the two profiles, improving the aesthetics of the window while also enhancing the overall thermal insulation, sealing, and safety of the window.

The utility model discloses a stamping die device for manufacturing a terminal of a high-speed connector. The stamping die device comprises a base, a transverse material pulling mechanism, a longitudinal material pulling mechanism and a stamping module used for stamping, riveting and fixing a shell on a main body, the base is provided with a main material belt and an auxiliary material belt, a cross station is formed at the junction of the main material belt and the auxiliary material belt on the base, the transverse material pulling mechanism, the longitudinal material pulling mechanism and the stamping module are all arranged on the base, the stamping module is arranged on the cross station, the stamping module comprises a lower die and an upper die, and the lower die comprises a lower die body and two side die bodies. The main material belt is driven by the transverse material pulling mechanism to move transversely, the auxiliary material belt is driven by the longitudinal material pulling mechanism to move longitudinally, and the shell is punched, riveted and fixed to the main body through the punching module, so that automatic forming and riveting of the main body and the shell are achieved, the production efficiency is effectively improved, and manpower consumption is reduced; and meanwhile, the labor cost is reduced, and convenience is brought to production enterprises.

The present application belongs to the technical field of lightweight structure, and particularly relates to a lightweight structure rod layout and discrete size optimization method. The present application is a lightweight design for a three-dimensional structure, adopts point coordinates in a space coordinate system and the number of selected rods to determine the layout form of the three-dimensional structure, the rods are rods with circular cross sections, and then an improved double-value coding parameterization method (referred to as BCP method) is used to determine the diameter size of the selected rods, thereby forming a lightweight structure layout and discrete size optimization design method, so as to facilitate the extraction of geometric parameters of the optimization result, and also facilitate the selection of rods with common regular diameter sizes. The present application avoids the problems of cross overlap between rods, and can provide more design schemes for the optimal rod layout of similar truss structures.

The invention discloses a single-layer crossed two-dimensional channel logic device, belongs to the technical field of information engineering, and is suitable for a phase inverter Inverter, an OR gate or a NOR gate. Comprising a device back gate, a bottom dielectric layer covering the device back gate and a crisscross channel covering the bottom dielectric layer, the crisscross channel is formed by an N-type channel and a P-type channel which are located on the same channel plane, and the middle crossing part is a common region; the two ends of the N-type channel are in contact with the N-type metal, the two ends of the P-type channel are in contact with the P-type metal, the two ends of the N-type metal are connected with the VOUT and the GND respectively, and the two ends of the P-type metal are connected with the VOUT and the VDD respectively. According to the invention, a corresponding logic function can be directly realized at a single device level, a transistor cascade normal form is broken through, and the bottleneck of integration level, power consumption and speed caused by multi-transistor cascade is eliminated. According to the invention, the single-layer crisscross two-dimensional channel is used for replacing multi-tube cascade connection, so that the logic functions of the phase inverter, the OR gate and the NOR gate are realized.

The utility model discloses an improved posture correcting belt, which comprises a posture correcting belt body and two shoulder straps, the middle part of the posture correcting belt body is a back sticking area, and the bottom of the back sticking area is integrally connected with an inner waistband and an outer waistband on the opposite side; the outer surface of the back sticking area is provided with a first keel layer extending from the upper part to the lower part and a second keel layer extending from the middle part to the lower part on the two sides, and a cross cover is arranged on the upper part of the outer surface of the first keel layer; the inner waistband and the outer waistband are both connected with one end of a shoulder strap on the corresponding end adjacent to the back sticking area, and the other ends of the two shoulder straps are crossed in X shape from the adjacent side of the upper part of the cross cover to the opposite side of the lower part of the cross cover. The utility model can improve the correction effect.

When a second wire (60) is followed from a first wire end to a second wire end, a portion where the second wire shifts first from a second portion (P2) to a third portion (P3) is set as a specific portion. One turn from the specific portion toward the second wire end is defined as a specific turn (ST), and the turn of the second wire (60) including the specific portion is defined as an i-th turn (where i is an integer of 3 or more). The specific portion is wound at a valley between a (j-1)-th turn and a j-th turn of the second wire (60) (where j is an integer of 2 or more and less than i), and the specific turn (ST) has a crossing portion (CR) crossing the j-th turn of the second wire (60) from a second flange (31) side to a first flange (21) side in a direction along the central axis C.

A liquid coating device (100) is provided with: a coating unit (1) that coats a liquid on an object (200); a support member (30) configured to extend in an extension direction; a deformable member that is deformable in an intersecting direction intersecting the extending direction of the support member; and supporting the coating unit at one end of the supporting member. A cover member (41) that covers at least a part of the coating part; a pressing member (46) that presses the coating portion against the cover member in the intersecting direction of the support member; and a drive mechanism (47) that drives the pressing member.

A kind of translation type mouse structure and the mouse device with translation type mouse structure, mouse device includes shell and is arranged in the translation type mouse structure in shell.Translation type mouse structure includes: key board, erecting component, cross component and the circuit board with press switch.Erecting component is arranged in circuit board;Cross component is bridged between key board and erecting component and respectively is provided with the first erecting group, the second erecting group and corresponding erecting group, which are pivotally connected with each other, key board is inclined relative to erecting component and abuts press switch.Thereby, key board can be moved together with cross component, so that key board can be changed to up and down translation when being pressed, so that any point on key board can be pressed with the same pressing force and the same pressing stroke, and users do not need to select the pressing position specially, and have better pressing feeling.

This invention relates to the field of electrical equipment cable management, specifically disclosing a non-crossing wiring board and its three-phase power metering box. The non-crossing wiring board includes a plate-shaped body with several through holes. Its surface has multiple wiring grooves communicating with the through holes and bending grooves for changing the direction of the wires. The connections between each groove are smooth transitions, forming preset independent guide paths. By threading cables through different through holes and laying them along corresponding grooves, multiple cables can be arranged in an orderly manner without crossing or overlapping on the same plane. Through a structured design of physical isolation and preset paths, this invention fundamentally solves the industry problems of prominent safety hazards, poor heat dissipation, unclear labeling, and extremely inconvenient maintenance caused by haphazardly bundled and overlapping cables in traditional cabinets, significantly improving the wiring standardization, operational reliability, and maintenance efficiency of electrical equipment.

The utility model discloses a four-gear folding chair, which belongs to the technical field of folding chairs, and comprises a leaning component and an adjusting support piece, the leaning component comprises two chair rods and two connecting rods arranged between the two chair rods, the opposite ends of the two connecting rods are rotatably connected with connecting buckles, and the opposite ends of the two connecting rods are connected with telescopic rods. The chair disclosed by the utility model can stand when being folded, and is convenient to place and store; the telescopic rod is matched with the chair rod, so that the storage space is reduced, and the overall occupied area is reduced; armrests of a conventional folding chair are prone to being stressed and distorted, however, the handrail and the folding rod in the embodiment are located on the same straight line when the chair is unfolded so that the handrail and the folding rod can be stressed evenly, the handrail cannot be distorted due to unbalance loading when stressed, and the service life is longer; the second connecting rods which are installed in a staggered mode are installed on the telescopic rods, the back cannot be jacked when a person uses the chair, the person sits more comfortably, and a traditional cross rod is installed on a back rod of the chair, the back is jacked easily, and the fabric is loosened.

The utility model relates to the technical field of building doors and windows, and particularly discloses a horizontal sliding hinge structure and a horizontal sliding window. The horizontal pushing hinge structure comprises a cross link rod and a lock rod, the cross link rod can stretch out and draw back in the x-axis direction and the y-axis direction. A plurality of first hinge points and a plurality of second hinge points are arranged at the two ends, in the x-axis direction, of the cross connecting rod correspondingly. The lock rod is arranged in the z-axis direction of the first hinge point; the lock rod and the first hinge point can slide relatively in the y-axis direction. According to the scheme, the first hinge point and the lock rod are overlapped in the z-axis direction, so that the first hinge point and the lock rod can be arranged in the same rail on the horizontal sliding window provided with the horizontal sliding hinge structure; meanwhile, as the lock rod can slide relative to the lock rod in the y-axis direction, control over the lock rod cannot interfere with operation of the cross link rod, the horizontal sliding window with the horizontal sliding hinge structure can have a more compact structure, and the problem that an existing horizontal sliding window is poor in compactness is effectively solved.

The present application relates to the technical field of air track, and particularly relates to a track changing device of a patrol robot, which comprises a first track and a plurality of second tracks, and further comprises a ring-shaped track changing seat, wherein the first track and the plurality of second tracks are distributed in a ring shape around the outside of the ring-shaped track changing seat, a track changing assembly is movably arranged in the ring-shaped track changing seat, the track changing assembly comprises a connecting track, a driving assembly is arranged on the ring-shaped track changing seat, the track changing assembly is driven to rotate by a set angle through the driving assembly, so that the track changing assembly is docked with the first track or the plurality of second tracks, and track changing operation is realized; through the arrangement of the track changing assembly, the present application can realize quick docking and passing of the cross tracks, and does not need to rely on a large-curvature curved track to realize path switching.

The utility model provides an assembly type integrated framework for buildings, which relates to the technical field of assembly type buildings and comprises a plurality of adjustable framework components connected with a base component. The adjustable frame assembly comprises a top frame, a plurality of homocentric-square-shaped transverse frames and a plurality of connecting shafts, the top frame is connected with an upper guide rod, the upper guide rod penetrates through the symmetrical upper sliding blocks, and the two ends of a homocentric-square-shaped groove of each homocentric-square-shaped transverse frame are connected with transverse shafts respectively; each transverse shaft is rotationally connected with one of two sets of symmetrical connecting rods, the centers of the symmetrical connecting rods in each set are coaxially and rotationally connected in a crossed mode, and each connecting shaft is rotationally connected with one end of the corresponding connecting rod. Aiming at the defects in the prior art, the fabricated integrated frame for the building is developed and can meet different building requirements, the construction efficiency is improved, the construction cost is reduced, and meanwhile, the safety and the stability in the using process are ensured.

The utility model discloses a sealed multilayer glass curtain wall fixing structure, which relates to the technical field of curtain walls and comprises a vertical beam, and the vertical beam integrally made of aluminum profiles is fixed on the outer side of a building wall. The cross beams are arranged on the two sides of the vertical beams and arranged along the vertical beams at equal intervals. The cross beam is provided with a profile body, and a middle plate is arranged in the profile body; the multi-layer glass is arranged in a space formed by crossing the vertical beams and the cross beams; pressing plates are fixed on the vertical beams and the cross beams through bolts; an L-shaped plate is arranged in the cross beam and is fixedly connected with the vertical beam and the cross beam through bolts; during use, the vertical beam is firstly fixed on the outer wall of a building, then the vertical beam and the cross beam are installed and fixed through the L-shaped plates and the bolts, then the multi-layer glass is embedded in the gaps among the vertical beam, the cross beam and the pressing plate, and the multi-layer glass is pressed and sealed under the cooperation of the first adhesive tape and the second adhesive tape. Therefore, installation of the curtain wall is achieved.