39 results about "Wind brace" patented technology

A catwalk system having a pair of side trusses formed of a top cord and bottom cord connected by a plurality of vertical posts and diagonal posts. The bottom cords have a plurality of joints formed of a bottom plate, opposing side plates and wing plates that form a pocket. These pockets receive an end of floorbeams which are bolted to the side plates. The bottom plate also includes a wind brace section that receives an end of a diagonal wind brace therein. The fabricated side trusses are shipped to the job site where the catwalk is quickly and easily assembled by aligning a pair of side trusses in parallel space alignment and installing floorbeams in the pockets of opposing joints. To provide additional rigidity diagonal wind braces are installed in a zig-zag formation between diagonally opposite joints. This arrangement provides a quickly assembled catwalk that requires minimal assembly.

The invention discloses an escape wind brace, comprising: a window frame slider, the window frame slider is provided with a first plug hole; a wind brace arm, the two ends of the wind brace arm are respectively provided with a first hinge end and a second hinge end, the second hinge end is provided with a second plug hole; a window sash connector, the window sash connector is hingedly connected with the first hinge end, a swing elastic member is provided between the window sash connector and the wind brace arm, and the swing elastic member enables the wind brace arm to always have a tendency to swing toward the window sash; a latch body, the latch body is inserted into the first plug hole and the second plug hole, the latch body is provided with a locking ring groove; a locking structure, the locking structure is slidingly connected with the wind brace arm, and the front end of the locking structure is inserted into the locking ring groove. After the latch body leaves the first plug hole, due to the elastic force of the swing elastic member, the wind brace arm will swing toward the window sash, so that the wind brace arm is automatically retracted. After the wind brace arm is automatically retracted, the wind brace arm can be prevented from colliding with the escaping people, so as to prevent people from being injured due to the collision with the wind brace arm, and the safety of people when escaping can be effectively improved.

The utility model discloses a large-span bridge-floor-free simply-supported tied arch bridge which comprises bridge piers, a first main arch and a second main arch. The first main arch and the second main arch are arranged on the two sides of the arch bridge. The bridge piers are arranged at the two ends of the first main arch and the two ends of the second main arch and connected with the first main arch and the second main arch through supports. The first main arch and the second main arch are each of a four-steel-pipe truss type structure. A first wind brace and a second wind brace are fixedly arranged between the first main arch and the second main arch, straining beams are arranged on the two sides of the arch bridge in the length direction, and a cross beam is arranged between the straining beams on the two sides of the arch bridge and used for bearing a coal conveying pipe belt machine. And suspenders are respectively arranged between the straining beam and the first main arch and between the straining beam and the second main arch. The steel consumption of the large-span arch bridge is reduced, the four-steel-pipe truss type main arch is adopted, the rise of the main arch is reduced, and the transverse stability of the structure is improved; and the suspender tensioning procedure is simplified, and the construction difficulty is reduced.

The utility model discloses a top suspension hinge of an ultrahigh load-bearing curtain wall. Comprising a frame fixing plate, a first sliding groove, a long connecting rod, a sliding block, a long pull rod and a short pull rod, wherein the first sliding groove is formed in the frame fixing plate; one end of the long connecting rod is slidably connected into the first sliding groove through a rivet; the sliding block is arranged at the other end of the long connecting rod; the other end of the long pull rod and the other end of the short pull rod are connected with a frame fixing rod through rivets. Opening load bearing of 250 kg ultrahigh doors and windows and ultra-large doors and windows can be achieved, and the stability of the doors and windows in the opening process is guaranteed due to the fact that the door and window opening device is provided with a wind bracing limiting structure.

The positioning wind brace can simplify the structure and reduce the thickness of a frame and comprises a sliding rail, a fixing block, a sliding block and a connecting rod, the fixing block is fixed to the sliding rail, the sliding block is connected with the sliding rail in a sliding mode and can move relative to the fixing block, the connecting rod is hinged to the sliding block, and the connecting rod is connected with the sliding block in a sliding mode. The side, facing the sliding block, of the fixing block is provided with an inserting groove, the side, facing the fixing block, of the sliding block is provided with an inserting part capable of being inserted into the inserting groove, the side wall of the inserting groove is provided with a first elastic positioning piece, and the inserting part is provided with a second positioning groove matched with the first elastic positioning piece.

The utility model discloses a hidden type hinge which comprises a frame fixing plate, a sash fixing rod, a long connecting rod and a positioning rod, the two ends of the long connecting rod and the two ends of the positioning rod are rotationally connected through rivets, and the frame fixing plate, the sash fixing rod, the long connecting rod and the positioning rod are combined to form a four-bar mechanism for opening and closing a sash and a window frame. One end of the frame fixing plate is provided with a wind bracing connecting rod, one end of the wind bracing connecting rod is connected through a rivet, the other end of the wind bracing connecting rod is provided with a sliding block connected through a rivet, and a limiting block used for clamping the sliding block is further arranged between the sliding block and the sash fixing rod. Through the combination of the sliding block and the limiting block, the window can be kept at a fixed position after being opened and cannot swing along with wind, and the overall size is small.

The invention discloses a hook-type top-hung window anti-slip safety hook structure, and relates to the field of design and construction of hung windows on curtain walls. The top-hung window comprises a window frame and a window sash, and the anti-slip safety hook structure comprises a window frame hook body arranged at one end of the window frame, and a window sash hook body arranged at one end of the window sash and adapted to the window frame hook body; the window frame hook body is hinged with the window sash hook body; the window frame hook body comprises an upwardly curved window frame hook body vertical wall, and a window frame hook body anti-slip safety hook extending from the end of the window frame hook body vertical wall; the window sash hook body comprises a downwardly curved window sash hook body vertical wall, and a window sash hook body anti-slip safety reverse hook extending from the end of the window sash hook body vertical wall; the window sash hook body anti-slip safety reverse hook is locked with the window frame hook body anti-slip safety hook, and the window sash hook body rotates relative to the window frame hook body. The hook-type top-hung window anti-drop safety hook structure does not require the installation of an additional anti-drop pressure piece, and can prevent improper operation by non-professionals, which may cause the window sash to be subjected to excessive upward reaction force from the wind brace, resulting in failure of the hanging window sash limiting measures, causing the window sash hook body to fall off the window frame hook body.

The invention discloses a windowed wind driven generator blade, and belongs to the field of wind power generation. A plurality of window frames are arranged on the blades, and each window frame is connected with a window sash through a hinge; one side of the window sash is hinged to the window frame, and the two sides of the other side of the window sash are connected with the window frame through wind supporting rods. The wind supporting rod comprises an upper supporting rod and a lower supporting rod which are hinged to each other, the upper supporting rod is hinged to the window sash, and the lower supporting rod is hinged to the window frame; a wind supporting rod containing groove is formed in the inner wall of the window frame. The blades are installed on the hub of the generator, and the adjacent blades are connected through a connecting rod. The window frame and the window sash are additionally arranged on the wind power generation blade, the counter-acting force generated by wind to the blade can be innovatively removed through the blade, the problem that when wind power is small, an existing wind power generator cannot stably generate power due to the blade is effectively solved through the design, and therefore the working efficiency and adaptability of a wind power generation system are improved; the method has important technical leading value and popularization and application prospects.

The invention belongs to the field of bridge models, and particularly relates to a mortise and tenon structure arch bridge model. The model comprises a bridge abutment, a bridge arch, a bridge floor, a pull rod assembly and a tower, and the bridge abutment is fixed to a bottom plate through tight mortise and tenon connection of all components and cylindrical dowels to form stable support; the bridge arch is formed by connecting a top arch and a side arch through a special tenon-and-mortise structure and a reinforcing piece, and is provided with a wind brace and an arch inclined strut to enhance the stability; a bridge deck slab of the bridge deck is connected with a human-shaped pavement slab through a dovetail joint, a short clamping piece and the like; the pull rod assembly strengthens connection between the bridge arch and the bridge floor. The tower has the functions of decoration and supporting. The tenon-and-mortise design integrating degree of all parts is high, the model is convenient to assemble, the mechanical property of the arch bridge is effectively restored, the manufacturing efficiency can be improved, and the model has the cultural connotation.

The invention provides a window wind brace and a window.The window wind brace comprises a guide rail, a sliding block arranged in a sliding groove of the guide rail and capable of sliding in the length direction of the guide rail and a connecting rod rotationally connected with the sliding block, and an adjusting mechanism is arranged on the sliding block; the adjusting mechanism comprises a base, an annular friction pad arranged on the base and an adjusting component arranged in the friction pad and rotationally connected with the base, the friction pad can elastically deform and is located between the two inner side walls of the sliding groove, and the outer side face of the adjusting component is a smooth curved surface. By rotating the adjusting part, the adjusting part presses the friction pad towards the two inner side walls of the sliding groove so as to change the pressure between the friction pad and the inner side walls of the sliding groove. According to the window wind brace, the force required for opening and closing the window sash can be maintained at a proper value, meanwhile, the abrasion of the friction pad can be effectively reduced, the adjusting function of the adjusting mechanism is ensured, and the service life and operability of the adjusting mechanism are improved.

The invention relates to the technical field of movable curtain walls, and discloses a movable curtain wall with a good sound insulation effect and a using method thereof. The movable curtain wall comprises a curtain wall frame, a curtain wall body is arranged on the curtain wall frame, a wind bracing connecting assembly is arranged between the curtain wall frame and the curtain wall body, and an anti-impact assembly is arranged on the curtain wall body. When the curtain wall body is closed, the anti-impact plate can make contact with the baffle by pulling the curtain wall body, at the moment, under cooperation of the anti-impact assembly, the damping effect on the curtain wall body can be achieved, the anti-impact assembly can effectively reduce the stress generated by vibration in the closing process of the curtain wall, and the anti-impact effect of the curtain wall is improved. Therefore, the curtain wall structure is protected from being damaged, the service life of the curtain wall is prolonged, faults and maintenance requirements caused by vibration are reduced, the shock-resistant assembly can absorb and disperse vibration energy, the stress degree of the curtain wall and connecting parts of the curtain wall in the vibration process is reduced, and the risk of structural damage is reduced.

The invention provides a dismantling construction method for a tied-arch bridge, and relates to the field of bridge dismantling construction. According to the method, a first target wind brace in the middle of a main span of the tied-arch bridge is removed, then a target bridge deck and a target middle cross beam in the middle of the main span of the tied-arch bridge are removed, and then temporary cross beams are installed on the two longitudinal sides of a bridge in a target middle cross beam removing area correspondingly; after the remaining bridge deck slabs and the remaining middle cross beams are removed, temporary supporting structures used for supporting arch ribs and tie bars are installed on the two end cross beams of the tied-arch bridge correspondingly, then the remaining wind braces are removed, and temporary wind braces are installed on the sides, facing the bridge end, of the first target wind braces; and finally, the arch ribs, the tie bars, the suspenders, the temporary cross beams, the temporary supporting structures and the temporary wind braces on the outer side and the inner side are integrally dismantled. According to the technical scheme, no temporary support needs to be arranged when the tied-arch bridge is dismantled, the bridge dismantling construction period is greatly shortened, dismantling of the tied-arch bridge can be safely and rapidly completed, and the channel passing influence is greatly reduced.

1. Name of this design product: Combination lock wind brace. 2. Purpose of this design: It belongs to door frame accessories. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

The fireproof plastic-steel door and window with the sealing structure comprises a window frame, a window is rotationally connected to the window frame, a plurality of wind braces are jointly installed between the window frame and the window, one end of each wind brace is rotationally connected into the window frame, and a plurality of sliding seats are symmetrically installed on the bottom face of the window frame; a sliding plate is slidably connected into each sliding seat, the other end of each wind brace is rotatably connected to the sliding plate with the corresponding position, the sliding plates are jointly provided with a jacking mechanism, the jacking mechanism is rotatably connected with a cleaning roller, the cleaning roller abuts against the window, and a dust collecting box is installed in the window through a detachable mechanism. When the window is used, operation is easy, the cleaning roller can be driven to clean the outer side of glass through opening and closing of the window, cleanliness of the outer side of the glass is kept, dust adsorbed by the cleaning roller falls into the dust collecting box through the metal net, and unified treatment is facilitated.

The utility model relates to the technical field of fireproof windows, in particular to a wind bracing structure which comprises a fixing plate used in cooperation with a window frame, a groove is downwards formed in the surface of the window frame, the fixing plate is fixedly connected with the upper surface of the groove, a sliding plate is placed on the upper surface of the fixing plate, and the upper surface of the sliding plate is used for being rotationally connected with a supporting rod; a through groove is formed in the fixing plate in the length direction, and a connecting piece is fixedly connected to the bottom wall of the sliding plate; an elastic piece is arranged in the groove, one end of the elastic piece is fixedly connected with the bottom wall of the fixing plate, and the other end of the elastic piece is connected with the connecting piece. A control structure is further arranged in the groove, after the relative position relation of the sliding plate and the fixing plate is determined, the control structure is used for locking the relative positions of the sliding plate and the fixing plate, and when the temperature exceeds a critical value set by the control structure, the control structure unlocks the sliding plate and the fixing plate; at the moment, the elastic piece pulls the sliding plate to move along the fixing plate under the elastic effect of the elastic piece, and the effect of being adaptive to the fireproof window is achieved.

The invention relates to the field of arch bridge design, and particularly discloses a wide integral multi-arch tied-arch bridge structure design method based on internal force comprehensive regulation and control, and the method comprises the steps: firstly, according to the dead load of a bridge floor, initially simulating the suspender force and the size of main components; establishing a finite element model, and calculating the rigidity of the lower rod end of the suspender under the combined action of arch rib-wind bracing-suspender by stripping longitudinal and transverse beams of the main beam; the rigidity serves as an elastic support, the cross beam is simply designed, and prestress configuration of the cross beam is determined; a design result is substituted into the overall model for finished bridge analysis, the suspender cable force is finely adjusted with the aim that the tie bar beam reaches the flat beam state, and internal force comprehensive regulation and control are achieved; and finally checking and iteratively optimizing until all the components meet specifications. According to the method, the problems that an internal force coupling mechanism of a wide-width multi-arch-rib structure is complex and the design efficiency is low are effectively solved, and a set of clear, efficient and reliable design process is provided.

The utility model belongs to the field of bridge models, and particularly relates to a mortise and tenon structure arch bridge model. The model comprises a bridge abutment, a bridge arch, a bridge floor, a pull rod assembly and a tower, and the bridge abutment is fixed to a bottom plate through tight mortise and tenon connection of all components and cylindrical dowels to form stable support; the bridge arch is formed by connecting a top arch and a side arch through a special tenon-and-mortise structure and a reinforcing piece, and is provided with a wind brace and an arch inclined strut to enhance the stability; a bridge deck slab of the bridge deck is connected with a human-shaped pavement slab through a dovetail joint, a short clamping piece and the like; the pull rod assembly strengthens connection between the bridge arch and the bridge floor. The tower has the functions of decoration and supporting. The tenon-and-mortise design integrating degree of all parts is high, the model is convenient to assemble, the mechanical property of the arch bridge is effectively restored, the manufacturing efficiency can be improved, and the model has the cultural connotation.

The application relates to a steel pipe concrete main arch ring and a construction method thereof, which comprises the following steps: hoisting a segmental arch rib; installing a support frame and a working platform; connecting and fixing adjacent segmental arch ribs; connecting between the ports of the segmental arch ribs; and installing a temporary wind brace. The application has the beneficial effects that: the adjacent segmental arch ribs are accurately connected and fixed, the ports of the adjacent segmental arch ribs are accurately connected, the left steel arch system is temporarily connected and fixed with the right steel arch system through the wind brace assembly, the temporary fixing stability of the arch rib in the air construction is ensured, the occupation time of the hoisting system is reduced, the welding connection quality between the adjacent arch rings is ensured, the temporary stability of the steel arch system is ensured, and the wind brace assembly is simple to assemble and disassemble.

The utility model relates to the technical field of doors and windows, in particular to a door and window sealing air bag and a door and window, which comprises a frame main body, a limiting frame is fixedly connected inside the frame main body, the frame main body is connected with a window frame through a wind brace, and a window body is fixedly connected inside the window frame. A limiting frame is fixedly connected to the position, corresponding to the frame body, of the outer portion of the window frame, a lock catch is arranged between the frame body and the window frame, and the outer side of the window body is sleeved with an air bag body. The door and window sealing air bag comprises an air bag body, a clamping sleeve is arranged on the outer side of the air bag body and located on the side close to a window frame, a sliding column is fixedly connected to the interior of the air bag body, a sliding sleeve is arranged in the air bag body and located above the sliding column, and an elastic pressing plate is fixedly connected to the top of the sliding sleeve. The overall practicability of the door and window sealing air bag is improved through the design.

The utility model discloses a stepless limiting magnetic damping wind brace which comprises a base, a swing rod and an upper cover, and the base is fixedly arranged on a window body; the swing rod is located between the base and the upper cover, and the upper cover is connected with the base; one end of the swing rod is rotatably arranged on the base, and the other end of the swing rod is movably connected with a window sash; a magnet is arranged at the end, connected with the base, of the swing rod, at least the upper cover is made of magnetic materials, the upper cover is in contact with the swing rod under the action of magnetic force, the upper cover is in contact with the swing rod through magnetic attraction of the magnet and the upper cover with magnetism, and therefore contact friction can be kept between the upper cover and the swing rod under the action of the magnetic force. Therefore, damping force needed by rotation of the swing rod is provided, the magnetic force of the magnet is adaptively selected, the swing rod can be stopped at any position, and stepless adjustment of opening of the window sash is achieved.

1. The name of this design product: Positioning wind brace. 2. Purpose of this design product: used for positioning doors and windows after they are opened. 3. The key point of the design of this product lies in the shape of the product. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model relates to the technical field of doors and windows, in particular to a door and window wind brace with adjustable resistance. The device comprises a wind supporting rod and a sliding block rotationally connected with the wind supporting rod, the end, located in the sliding direction, of the sliding block is divided into two outwards-expanding parts from the middle, the opposite sides of the two outwards-expanding parts are provided with first sliding grooves in the sliding direction, the opposite sides of the two outwards-expanding parts are provided with first inclined faces contracting inwards, and an adjusting block is arranged between the two outwards-expanding parts. Second inclined faces abutting against the close first inclined faces in a matched mode are arranged on the two side faces of the adjusting block, and an adjusting mechanism capable of promoting the adjusting block to be close to or away from the sliding block is arranged on the side, facing the door and window sash, of the adjusting block. After the prior art is improved, the resistance of the door and window wind brace can be adjusted, the operation is simple and convenient, and the stability is better.

The invention discloses a construction method for segmentally installing steel beams and arch ribs crossing a river channel through a support method, and belongs to the technical field of bridge construction. The construction method comprises the following steps that S1, temporary supports are installed in water; s2, starting to construct a bridge floor steel beam, wherein the bridge floor steel beam is mounted in sections; and S3, after the bridge deck steel beams are erected and folded, the upper arch rib structure is installed in a segmented mode. The structural design is reasonable, single-hole two-way navigation of river channel navigation is met, and the construction requirement for super-heavy steel beam splicing is met; and the main wind braces and the decorative wind braces are arranged between the main arch ribs and the auxiliary arch ribs, so that the effects of conciseness and attractiveness are achieved on the premise that the strength is met.

The utility model discloses a friction wind brace capable of being clamped and fixed. Comprising a wind bracing connecting plate, a wind bracing lock seat arranged at one end of the wind bracing connecting plate, a lock seat rivet arranged between the wind bracing lock seat and the wind bracing connecting plate, a sliding block arranged at the other end of the wind bracing connecting plate and an adjusting frame rivet arranged between the sliding block and the wind bracing connecting plate. The sliding block is installed on a window sash profile, the hexagon socket head cap conical end screw is arranged at the outer end of the sliding block, the limiting block is installed on the window sash profile, a first locking mechanism is arranged between the limiting block and the sliding block, and when the window is opened to a certain position, relative locking and fixing between the sliding block and the limiting block are achieved through the first locking mechanism. The wind brace not only has all the advantages of an original wind brace, but also has a positioning function, so that a window is kept at a fixed position and cannot swing along with wind.

This utility model discloses a main beam structure for a tied arch bridge with under-bearing, comprising arch feet and a crossbeam. The arch feet are respectively located at both ends of the upper part of the crossbeam. A pier is fixed to the lower end of each arch foot, and a reinforcing frame is fixed between the pier, the arch foot, and the crossbeam. Arch ribs are provided at both the front and rear ends of the crossbeam, and the two ends of the arch ribs are fixedly connected to the arch feet. A horizontal wind brace is connected between the arch ribs. A hanger rod is connected to the front and rear ends of each horizontal wind brace, and a clearance groove is provided at the lower end of each hanger rod. A positioning rod is provided at both the upper and lower ends of the clearance groove, and the middle of the positioning rod is fixedly connected to the interior of the crossbeam. A web is provided at the lower part of the crossbeam, and two horizontal insert rods are fixedly fixed at equal intervals inside the web, with the front and rear ends of the two horizontal insert rods fixedly connected to the lower ends of the hanger rods. This utility model is easy to maintain and has excellent stability.

The utility model belongs to the field of bridge models, and particularly relates to an arch bridge model. The model comprises a bridge abutment, a bridge arch, a bridge floor, a pull rod and a tower, and the bridge abutment is fixed to a bottom plate through tight mortise and tenon connection of all components and cylindrical dowels to form stable support; the bridge arch is formed by connecting a top arch and a side arch through a special tenon-and-mortise structure and a reinforcing piece, and is provided with a wind brace and an arch inclined strut to enhance the stability; a bridge deck slab of the bridge deck is connected with a human-shaped pavement slab through a dovetail joint, a short clamping piece and the like; the pull rods are used for reinforcing connection between the bridge arch and the bridge floor; the tower has the functions of decoration and supporting. The tenon-and-mortise design integrating degree of all parts is high, the model is convenient to assemble, the mechanical property of the arch bridge is effectively restored, and the manufacturing efficiency can be improved.

The invention belongs to the field of bridge models, and particularly relates to an assembling method of a mortise and tenon structure arch bridge model. Firstly, the abutment is spliced and assembled through mortises and tenons, all the components are tightly matched and fixed to a bottom plate through cylindrical dowels, and a stable bottom support is formed; then bridge arches are assembled, the top arch and the side arches are connected and reinforced through wedge nail and tenon structures, and stability is enhanced in cooperation with wind braces and arch diagonal braces; the bridge deck slabs are connected into a whole through a specific mortise and tenon joint structure and fixed to a bridge abutment; then the herringbone pavement panel, the pull rod assembly and the tower are assembled, the herringbone pavement panel is stably connected with the bridge floor, the pull rod assembly strengthens connection of the bridge arch and the bridge floor, and the tower plays a role in decoration and supporting. According to the assembling method, the mortise and tenon design integrating degree of all parts is high, operation is convenient and efficient, the arch bridge mechanical property can be effectively restored, the structural stability and manufacturing efficiency of the model are remarkably improved, and meanwhile the cultural and technological value is achieved.

The utility model relates to the technical field of door and window curtain walls, in particular to a door and window curtain wall steel profile installation structure which comprises a frame body, an installation groove is formed in the frame body, a limiting frame is fixedly connected in the installation groove, the frame body is connected with a window frame through a wind brace, and a window body is fixedly connected in the window frame. According to the door and window curtain wall, splicing of the window frame can be completed through the two first mounting frames and the two second mounting frames, the first mounting frames and the second mounting frames can be conveniently matched through the limiting frames, the limiting columns can be conveniently clamped with the limiting seats, meanwhile, the window body can be conveniently mounted and fixed through the clamping blocks, and the window frame is convenient to mount and fix. The clamping soft cushions on the inner sides of the clamping blocks improve the fixing strength of the clamping blocks to the window body, and damage caused by collision between the window body and the clamping blocks can also be avoided; compared with an existing door and window curtain wall steel profile installation structure, the overall practicability of the door and window curtain wall steel profile installation structure can be improved through the design.

The utility model discloses a bridge main arch rib wind brace structure which comprises a box type structure defined by an upper vertical plate, a lower vertical plate, a left vertical plate and a right vertical plate, a plurality of partition plates evenly distributed at intervals are installed in the box type structure, and through holes are formed in the centers of the partition plates. Sealing plates are installed at the two ends of the box type structure respectively, adjusting assemblies capable of adjusting the length of the wind brace are installed on the outer sides of the sealing plates, the other ends of the adjusting assemblies are installed on side plates, and the side plates are connected with the main arch rib through bolt assemblies. The sealing plates are arranged at the two ends of the box-type structure, and the adjusting assemblies are installed on the outer sides of the sealing plates and connected with the side plates, so that when the wind bracing structure is installed, the length of the wind bracing is finely adjusted through the adjusting assemblies to meet the requirement for the distance between the main arch ribs on the two sides; the problem that accurate installation cannot be achieved due to inaccurate matching of the length of the wind brace and the distance between the main arch ribs is solved, adjustment is easy, and operation is convenient.