324 results about "Lintel" patented technology

The invention relates to a wall building method, which comprises the following steps of: treating a base layer, shoveling soil, concrete laitance and disintegrating slag on the ground of a to-be-built wall by using a shovel and a chisel, and washing by using water to remove floating dust; paying-off and positioning are conducted, elevation lines of 1000 mm are popped on structural concrete wall columns, and wall body lines, door opening lines and filler wall vertical side lines are popped on the building ground; a building block arrangement diagram is woven, a story pole is manufactured, and lintel or ring beam position lines and wall tie bar position lines are popped on the structural walls and columns; planting steel bars, namely planting the steel bars in wall columns corresponding to the positions of upper and lower layer beam plates, horizontal tie bars and ring beams at the positions of the constructional columns; arranging the building blocks, selecting a proper combined brick arranging method, and determining the number of layers of the bricks; before building, building blocks are firstly arranged at the plane position, the aerated concrete building blocks are arranged between two frame columns in a dry mode in the axis direction, and gaps are well adjusted; and pouring ring beams, lintels and constructional columns.

Provided is a masonry lintel system containing a C-channel, bar stock, angle brace, and plurality of threaded bolts. A C-beam may rest upon the threaded bolts, allowing the C-beam to be installed to span an opening in a CMU masonry wall. The lintel system may thereby be removed from the masonry wall, after C-beam installation.

The invention provides an adjustable rotating hinge water seal device and an adjusting method, the adjustable rotating hinge water seal device comprises a water seal seat, a rotating hinge body is arranged on the water seal seat, and the rotating hinge body is rotatably connected with the water seal seat through a hinge shaft; a spring pre-tightening mechanism is arranged between the top end of the rotating hinge body and the water seal base and used for providing pre-tightening force for the rotating hinge body. A water seal rubber and a water seal pressing plate are arranged between the other end of the rotating hinge body and the gate panel, and the water seal pressing plate, the water seal rubber and the rotating hinge body are fixed through bolts and nuts. The adjustable rotating hinge water seal device is installed on a lintel of a gate groove of an arc-shaped gate and makes contact with a gate panel to form a sealing body, the reliable water sealing effect is achieved, the water jetting phenomenon in the gate opening and closing operation process is avoided, a vibration source enabling the gate to vibrate is reduced, the operation environment of equipment is improved, and the service life of the equipment is prolonged. And the reliability and the safety of equipment operation are improved.

The invention discloses a protective unloading construction method for a stone storage door. The protective unloading construction method comprises the following steps that edge covering structures are installed on the two sides of the bottom of the stone storage door; two bottom beams are installed; mounting an inner frame body; mounting an outer frame body; mounting a top beam; the adjustable supporting feet abut against the stone storage door, the whole stone storage door is cut, and an edge sealing component is installed; hoisting transportation is conducted, and the triangular supports are installed. According to the protective unloading construction method for the stone storage door, the stone storage door can be integrally protected in the processes of unloading, transferring and storing of the stone storage door; an edge covering structure, a bottom beam, an inner frame body, an outer frame body, a top beam, an adjustable supporting foot, an edge sealing component, a triangular support and the like used in construction can be quickly mounted and dismounted, potential safety hazards caused by welding work are avoided, all the components can be recycled, and the construction cost is reduced; the side columns and the wall body are limited through the flexible supporting feet, the situation that the wall face is damaged due to hard contact is avoided, and the flexible supporting feet can effectively protect a lintel, a stone hoop, a decoration column and the like.

The invention relates to the technical field of bearing retainers, and discloses a wind power bearing axial retainer structure which comprises a plurality of axial retainer units, and each axial retainer unit is integrally arranged in an arc shape so that a whole circle structure can be defined by the multiple axial retainer units. Each retainer unit comprises an inner flange, an outer flange and a connecting beam connected between the flanges, and each connecting beam comprises edge beams connected with the ends of the two flanges and a lintel between the edge beams; the upper side and the lower side of each lintel are each provided with a first limiting part with the opposite extending direction so as to limit the corresponding roller. A first limiting part is arranged on the corresponding side of each edge beam, a second limiting part is arranged on the other side of each edge beam, and protruding parts are arranged on the sides, away from each other, of the two flanges to improve the strength of the flanges; according to the wind power bearing retainer unit structure, stress balance of the upper side and the lower side of the retainer can be achieved, the stability of the retainer is improved through surface contact of the left side face and the right side face of the retainer, the strength is improved by arranging the protruding parts on the front side and the rear side of the retainer, and the fracture risk of the retainer is reduced.

The invention provides a construction method for punching transformation of a sandwich perlite composite wall. The construction method comprises the following steps that S1, construction preparation is conducted; s2, measuring and marking the sideline of the opened hole on the wall body with the opened hole; s3, a back-jacking supporting unit supported between a floor and a top plate is arranged in front of the wall with the opened hole; s4, water drilling and hole taking are conducted on the wall with the opened hole along the periphery of the side line, a grouting nozzle is embedded in the hole, and pressure grouting is conducted; s5, lintel construction is conducted on the wall with the opened hole along the side line; s6, the original masonry in the sideline range is statically dismantled through a water drill; s7, constructional columns are arranged on the two sides of the opened hole; and S8, the back-jacking supporting unit is dismantled. Pearlite in the wall body is fixed by adopting a pre-pressure cement paste injection technology, so that the problems that the construction is influenced and the thermal insulation performance of the wall body is reduced because the pearlite flows out in the punching process are solved; and drilling and dismantling of the wall body are achieved through water drill static dismantling, large disturbance to the wall body is avoided, and construction safety is guaranteed.

The utility model discloses a fireproof door closer reverse installation structure which comprises an adapter seat, a reverse installation plate and a door closer, the adapter seat is fixed on a door frame fixing keel on the outer side of a door frame door pushing face through an anchor bolt, the bottom end of the adapter seat is flush with the bottom end of the door frame door pushing face, the reverse installation plate is an L-shaped plate, and the door closer is arranged on the reverse installation plate. The outer section of a transverse plate is fixed on the adapter seat through a connecting bolt, the inner section of the transverse plate abuts against the bottom end face of the door frame, a vertical plate of the transverse plate vertically extends downwards at the outer end of the transverse plate, the door closer is arranged on the closing side of the door leaf, a machine body of the door closer is fixed on the door leaf, and a connecting seat at the tail end of a connecting rod of the door closer is fixed on the vertical plate of the reverse mounting plate. The adapter is additionally arranged in front of the door frame fixing keel (or the masonry wall lintel), a stable rooting point is provided for the door closer, the door closer is further stably installed between the door pushing face of the closing side of the door leaf and the adapter through the reverse installation plate, it is guaranteed that the door closer is good in stress, the service life of the door closer is prolonged, and construction quality is improved.

The utility model relates to a steel truss structure for mounting a door opening curtain wall. The steel truss structure comprises a fixed plate, a rib plate seat and a truss girder, the fixing plates are used for being fixed to the left inner wall and the right inner wall of a door opening through anchoring parts, and rib plate bases are vertically installed on the end faces of the fixing plates at intervals up and down. The truss girder is horizontally distributed between the two fixed plates, and the end part of the truss girder is supported between the rib plate seats which are vertically arranged at intervals in the vertical direction; the left end and the right end of the truss girder are fixed to the fixing plates respectively and fixedly connected with the corresponding upper rib plate base and the corresponding lower rib plate base at the same time. And a mounting structure for mounting a curtain wall keel is arranged on the outer side of the truss girder. The door opening lintel effectively solves the problems that an existing door opening lintel is difficult to bear a curtain wall structure, and installation and lighting of a window can be affected due to the fact that a hanging component is arranged, not only is the aim of hanging a building facade curtain wall guaranteed, but also the appearance effect and quality of a facade are achieved.

The utility model discloses a concrete prefabricating mold for a reserved opening of a strong and weak electricity box, the concrete prefabricating mold is used for pouring a prefabricated part mounted at the reserved opening, the prefabricating mold comprises a bottom mold, a side mold, an inner mold, a plurality of movable sleeves and an extrusion assembly, the bottom mold is provided with a first seat surface and a second seat surface which are oppositely arranged in a first direction, and the first direction is the thickness direction of the bottom mold; the side mold is arranged on one side of the first seat surface, and a pouring space of the prefabricated part is defined by the side mold and the bottom mold and comprises a lintel space and a frame space which are sequentially distributed in the second direction; the inner mold is arranged on one side of the first seat surface and is positioned in the frame space; the plurality of moving sleeves are positioned in the lintel space; the extrusion assemblies correspond to the multiple moving sleeves one to one and are arranged in the corresponding moving sleeves, and the extrusion assemblies respond to the driving force to extrude the side mold and the inner mold correspondingly. According to the device, the specific positions of the moving sleeves are adjusted by manually moving the moving sleeves, the positions of the wire passing holes in the poured prefabricated part can be adjusted, and using is more convenient and faster.

The invention discloses a low-energy-consumption outer wall enclosure system and a construction method, and particularly relates to the technical field of energy-saving construction, and the low-energy-consumption outer wall enclosure system comprises a concrete column beam composed of frame columns and frame beams. The self-heat-preservation function of an outer wall enclosure system is achieved, an outer heat preservation layer does not need to be additionally arranged, the engineering construction cost is remarkably reduced, composite self-heat-preservation building blocks are adopted for the wallboards, the continuity of the heat preservation layer is ensured through an ingenious meshing connection mode, and therefore the excellent heat preservation performance of the wall is ensured, and meanwhile, the wall has the good heat preservation effect. Lightweight aggregate concrete with self-heat-preservation performance is adopted in key parts such as constructional columns, frame-embracing columns, lintels and coping, the overall heat preservation effect is further improved, foam mortar and waterproof mortar are elaborately filled in the top of the wallboard and the side faces of the columns, and the heat preservation, waterproof and fireproof performance of cold and hot bridge parts of a wall body is effectively guaranteed. The wall plates are connected through the convenient U-shaped clamping pieces, and compared with a traditional fixing mode, construction is easier, more convenient and faster.

The utility model relates to an indoor partition lintel formwork device. The indoor partition lintel formwork device structurally comprises a formwork assembly and a formwork supporting assembly. The formwork assembly comprises a bottom formwork and two side formworks arranged on the bottom formwork. The formwork supporting assembly comprises a side formwork supporting assembly and a bottom formwork supporting device, the bottom formwork supporting device comprises a vertical pipe, a top support arranged in the vertical pipe in a penetrating mode, a fixing plate and an inclined supporting rod, the fixing plate and the inclined supporting rod are arranged on the outer wall of the vertical pipe, the other end of the inclined supporting rod is connected with the lower portion of the bottom formwork, the fixing plate is horizontally arranged, and the top support is arranged on the side formwork supporting assembly. The fixing plate is used for being inserted into a partition wall gap. The fixing plate is horizontally inserted into a gap of a partition wall, downward pressure of the bottom formwork is converted into obliquely downward force through the inclined supporting rods, the obliquely downward force is transmitted to the fixing plate through the vertical pipes, then the force is dispersed to the partition wall, the mechanical structure enables the bottom formwork supporting device to be more stable when bearing loads of the bottom formwork and the upper portion of the bottom formwork, and the supporting effect is better. The lintel is not easy to shift or overturn, and the dimensional accuracy of the lintel is ensured.

The utility model relates to a fabricated wall structure, which belongs to the technical field of prefabricated walls and comprises an ALC (autoclaved lightweight concrete) light partition batten, a door, a door side plate, a door lintel plate, a U-shaped clamp and a structural beam / plate. The ALC light partition wall battens are mutually spliced, the door edge plates are fixed to the left side and the right side of the door, and the door lintel plate is arranged above the door. The splicing positions of the upper ends of the ALC light partition wall battens, the door head plate and the door lintel plate are connected in a clamped mode through U-shaped clamps. A fastener is arranged on the U-shaped clamp and is connected between a top plate of the U-shaped clamp and the structural beam / plate; a mortar layer is arranged between the ALC light partition wall and a structural beam / plate at the top of the ALC light partition wall, and mortar used in the mortar layer contains an AEA expanding agent; the two adjacent ALC light partition wall battens are fixed through the U-shaped clamps, the flatness and the structural stability of the ALC light partition wall battens can be improved, the inverted-U-shaped clamps and the structural beams are fixed through the fasteners, the structural stability of an inner wall is further improved, the square tube steel columns / concrete constructional columns and the structural wall columns are arranged between the ALC light partition wall battens, and the structural wall columns are arranged between the square tube steel columns / concrete constructional columns and the structural wall columns. And the wall body structure can be further reinforced.

The invention discloses a ship lock water delivery system work overhaul valve well gate groove one-time forming method, and relates to the technical field of inland river ship lock construction. Comprising the following steps: step 1, mounting a working overhaul valve well bottom sill water stop mechanism; step 2, installing a built-in truss embedded part in the work overhaul valve well; 3, well bottom high-slump second-grade low-heat concrete pouring of the work overhaul valve is carried out; 4, a lintel water stop mechanism in the work overhaul valve well is installed; 5, a truss mechanism is installed in the work overhaul valve well; 6, a door groove embedded part of the work overhaul valve well is installed; 7, high-slump second-level low-heat concrete pouring is conducted on the work overhaul valve well and the lock head body; and 8, the step 5 to the step 7 are cycled until the concrete is poured to the designed crest elevation of the lock head. According to the invention, one-step forming of the work overhaul valve well gate groove of the water delivery system is realized, and the problems of narrow internal space of the overhaul valve well, high secondary concrete construction difficulty and low construction efficiency are solved.

The utility model belongs to the technical field of airplane cabin door tests, and particularly relates to an airplane cabin door stand column type function test bed which comprises an installation frame and a door frame assembly. The installation frame comprises a base assembly, two supporting frames fixed to the base assembly and a connector assembly. The door frame assembly is fixedly installed on the installation frame through the connector assembly. The door frame assembly comprises an arc-shaped front end frame fake piece and an arc-shaped rear end frame fake piece which are arranged in parallel. The doorsill false piece, the lintel false piece and the stiffening beam assembly are connected between the front end frame false piece and the rear end frame false piece; a skin dummy; wherein the doorsill false part is located at the bottom, the lintel false part is located at the top, and the stiffening beam assembly is located at the topmost end; the skin false part is fixedly connected to the outer surfaces of the front end frame false part, the lintel false part, the rear end frame false part and the threshold false part, the door frame false part, the lintel false part and the threshold false part which are machined in a large size are used for replacing a real door frame structure, the number of parts is greatly reduced, the manufacturing period is shortened, the implementation manufacturability is improved, and the manufacturing cost is reduced.

The utility model provides a reinforcing structure of a prefabricated floor slab, which is used for reinforcing the intersection position of the prefabricated floor slab and an original lintel, and relates to the technical field of building construction, the reinforcing structure of the prefabricated floor slab at least comprises two first connecting pieces, a second connecting piece and two concrete brackets, the two first connecting pieces are located on the two sides of the original lintel correspondingly and vertically penetrate to the position below the prefabricated floor slab correspondingly, the two ends of the second connecting piece transversely penetrate through the original lintel and extend out of the side wall of the original lintel, and the two concrete brackets are located on the two sides of the original lintel correspondingly. And the concrete bracket is integrally connected with the bottom surface of the prefabricated floor slab, the side wall surface of the original lintel, the first connecting piece and the second connecting piece. The reinforcing structure of the prefabricated floor slab can effectively improve the structural strength and the anti-seismic ductility of the prefabricated floor slab.

The present invention provides a gate slot device adapted to different types of flat gates, which is installed in a second-phase concrete slot reserved on a diversion tunnel and used for the operation of an inspection door and a blocking door. The gate slot device includes a sill arranged at the bottom of an orifice, a lintel arranged at the top of an orifice, a main rail of an inspection door and a main rail of a blocking door arranged downstream, a downstream stainless steel water-stop seat plate, and a reverse rail and an upstream stainless steel water-stop seat plate arranged upstream. When the inspection door is in water-blocking operation, its forward supporting structure acts on the main rail of the inspection door, the gate side water-stop contacts the upstream stainless steel water-stop seat plate, and the bottom water-stop contacts the bottom sill; when the blocking door is in water-blocking operation, its forward supporting structure acts on the main rail of the blocking door, the gate side water-stop contacts the downstream stainless steel water-stop seat plate, the bottom water-stop contacts the bottom sill, and the top water-stop contacts the water-stop seat plate of the lintel. The inspection door and the blocking door of the present invention share a gate slot, which can reduce the size of mountain excavation and save investment.

The utility model relates to a reinforcing structure, belongs to the technical field of building construction, and particularly relates to a super-large-span SOM plate door opening reinforcing structure which comprises a square steel tube davit, a concrete layer and a square steel tube lintel. The square steel tube lintel is fixedly connected with the bottom end of the square steel tube davit; the square steel tube door frame columns are fixed with upper-layer concrete and lower-layer concrete of a wall surface where the door opening is located; the SOM plate is fixed between the upper-layer concrete and the lower-layer concrete through the square steel tube lintels and the square steel tube door frame columns; the square steel pipe is adopted to replace a concrete lintel, the construction technology is simple, operation is convenient and fast, the construction period is shortened, and the problems that in an existing large-size door opening reinforcing project, a concrete lintel always needs to be designed and enlarged to meet the stability requirement, so that the technology becomes complex, and the construction period is prolonged are solved.

The utility model relates to the field of elevator cars, in particular to a high-strength mute high-speed fire elevator car which comprises a lintel assembly, first middle car wall plates are symmetrically arranged at the two ends of the lintel assembly, the outer edges of the two sides of each first middle car wall plate are provided with extending bent edges outwards, and first side car wall plates are symmetrically arranged on the two sides of each first middle car wall plate. An inward bent edge is arranged on one side of the first side car wall plate, an outward bent edge is arranged on the other side of the first side car wall plate, and the outwards-extending bent edge of the first middle car wall plate and the inward bent edge of the first side car wall plate form a labyrinth type structure. The outward bent edge of the first side car wall plate on one side of the first middle car wall plate and the inward bent edges at the two ends of the lintel assembly can be spliced to form a labyrinth structure, smoke dust is prevented from entering from the splicing position of the elevator car, and the problem that the splicing position of the elevator car is poor in air tightness is solved.

The invention provides an underground space communication reserved hole wall body later-stage hole communication construction method, an existing prefabricated wall body comprises a main body structure area and a reinforcing structure area, and a water stop opening method is arranged on the butt joint face of the existing prefabricated wall body, and the method comprises the steps that firstly, an automatic lock catch water stop system is installed in the reinforcing structure area of the existing prefabricated wall body, and an automatic lock catch water stop system is installed in the reinforcing structure area of the existing prefabricated wall body; a spherical rubber water stop belt is placed in the water stop opening; secondly, a to-be-built basement soil body is excavated, and to-be-built basement floors are sequentially constructed from bottom to top; 3, taking out the wall body of the hole, and arranging a vertical support at the same time; constructing a first reinforcing column on the left side of the hole; the reserved hole wall body and the existing prefabricated wall body are in butt joint and locked; sequentially taking out each wall body unit, additionally arranging a vertical support, and arranging a second reinforcing column; and fourthly, the reinforcing structure area is constructed, the existing basement floor, the existing prefabricated wall and the basement floor to be built are connected, and the lintels, the first reinforcing columns and the second reinforcing columns form a complete communicating hole.

The invention provides a rainwater and sewage diversion type gutter inlet structure. The rainwater and sewage diversion type gutter inlet structure comprises a water collecting well, an overflow weir, a sewage tank, a rainwater tank, a grate, a sewage intercepting hanging basket, a sewage outlet pipe, a floating control flow adjusting valve, a cover plate and a rainwater outlet pipe. The water collecting well is arranged underground and comprises a bottom plate, a well wall and a lintel, the well wall is arranged on the bottom plate, a well chamber is defined by the well wall and the bottom plate, and the lintel is arranged on two arms on the side, away from the bottom plate, of the well wall in a striding mode. The overflow weir is arranged on the bottom plate and located below the lintel, and the well chamber is divided into a sewage bin and a rainwater bin. The grate is arranged at the top of the sewage cabin, the sewage intercepting hanging basket is arranged below the grate, the sewage outlet pipe is connected into the sewage cabin, and the floating control flow regulating valve is arranged at a pipe opening of the sewage outlet pipe; the cover plate is arranged on the top of the rainwater tank, and the rainwater outlet pipe is connected into the rainwater tank. The problem that in the prior art, greasy dirt waste water, ground flushing water and initial rainwater enter a municipal rainwater pipe network system through a rainwater opening, and consequently water environment pollution is caused is solved.

The utility model discloses a newly-built building assembly type elevator shaft which comprises a main body steel structure, frame columns, spacing beams, steel frame door columns and steel lintels, and the main body steel structure comprises steel columns and multiple layers of frame beams connected between the steel columns; the steel columns and the frame columns are located at the four corners of the hoistway structure respectively, and the frame columns are fixedly arranged between the frame beams. The spacing beams are arranged between the frame columns on the non-inlet side of the hoistway structure and between the frame columns and the steel columns, and a plurality of spacing beams are arranged between the upper and lower adjacent frame beams at intervals; the steel lintels are arranged between the frame columns on the inlet side of the shaft structure, the steel frame door columns are fixedly arranged between the steel lintels and the frame beams in pairs, and an elevator door opening is formed between each pair of steel frame door columns. A frame of the hoistway structure is filled with batten partition walls; and the batten partition wall is tied with angle steel fixed on the hoistway structure frame through hook-headed bolts. The novel elevator shaft is formed by combining a main body structure and is suitable for newly-built building assembly type elevator shaft installation.

The invention relates to a pre-frame (10) for a device (4) for obstructing a facade opening of a building intended to be thermally insulated from the outside, the pre-frame comprising an upper crosspiece (12) and two lateral uprights (13, 14) mechanically connected to the latter, delimiting an interior space of the pre-frame, the pre-frame thus formed comprising a rear wall (16) and a front wall (17) extending opposite one another, and a central portion (18) connecting them, the pre-frame being configured to be mechanically fixed to the panels and / or to the lintel of the facade opening by its central portion, its front wall being configured to receive a thermal insulation panel (11); the pre-frame being further configured to receive in its interior space a frame (5) of said obstruction device, so that the pre-frame is arranged between on the one hand the panels and the lintel of the opening and on the other hand the frame of the obstruction device.figure for the abstract: figure 1.

The invention relates to a window frame comprising: - two parallel jambs arranged at a distance from each other; - a sill arranged between and at a first end of the two jambs; - a lintel arranged between and at a second end of the two jambs; - a rail arranged between the two jambs and parallel to the sill and the lintel; - an upper windowpane arranged between the two jambs, the lintel and the rail; wherein arranged in the lintel is a channel which extends from the outer side of the window frame to the inner side of the window frame, and a grille is arranged on the outer side in the access opening of the channel.

The anti-falling device for the lintel of the electrical panel cabinet comprises a base structure and an adjustable mounting structure matched with the base structure, the base structure comprises a bottom plate, a magnetic suction plate is arranged at the bottom of the bottom plate, a plurality of connecting screws are arranged on the bottom plate, and fixing nuts matched with the connecting screws are arranged on the connecting screws. By adopting the structure, the combined structure is matched with each other and is fixed by magnetic attraction, so that the adhesive is prevented from being remained after being used, is not easy to fall off and is firmly adsorbed; the lintel mounting structure is flexible and convenient in position adjustment, firm and stable in mounting and positioning, convenient and flexible in lintel replacement and clear in direct vision; the device is simple in overall structure, convenient to assemble, use and replace and high in practicability.

The present invention discloses a fully prefabricated elevator shaft based on a steel frame structure system and an installation method. The shaft includes a main steel structure, frame columns, spaced beams, steel frame door columns, and steel lintel beams. The main steel structure includes steel columns and frame beams. The steel columns and frame columns are respectively located at the four corners of the shaft structure and serve as the columns of the shaft structure. The frame columns are fixedly arranged between the frame beams. The spaced beams are arranged between the frame columns on the non-entrance side of the shaft structure and between the frame columns and the steel columns. Multiple spaced beams are arranged at intervals between the upper and lower adjacent frame beams. The steel lintel beams are arranged between the frame columns on the entrance side of the shaft structure. The steel frame door columns are fixedly arranged in pairs between the steel lintel beams and the frame beams, and an elevator door opening is formed between each pair of steel frame door columns. This application combines the main steel structure to form an elevator shaft structure adapted to a new building and a corresponding installation method, which has the advantages of high installation efficiency, low construction cost, and green and low-carbon characteristics.

The utility model discloses an under-window thermal insulation structure at a passive building cornice. The under-window thermal insulation structure comprises a structural beam, a structural floor connected to the top of the structural beam, the cornice connected to the outer side of the structural beam, and an under-window thermal insulation wall connected with the structural floor and the outer side of the structural beam. Through the arrangement of the heat preservation wall body under the window, heat preservation and heat insulation at the window, the structural floor and the structural beam are guaranteed, and an installation space is reserved for the cornice; through the arrangement of the cornice connecting ribs and the cornice longitudinal ribs, it is guaranteed that the cornice is fixedly installed, and it is guaranteed that the upper portion of the cornice is bent to bear force; through the arrangement of the window lintel, the overall installation and arrangement of the wall thermal insulation body are guaranteed, and the overall stress is guaranteed.

The lintel convenient to use comprises a box body, fixing frames, supporting columns, a mounting frame and clamping pieces, the fixing frames which are different in height and overlapped in tail end are arranged on the four inner walls, the supporting columns are arranged on the fixing frames, deformation of the box body can be prevented, matched screw holes are formed in the overlapped positions and the top of the box body, and the clamping pieces are clamped in the mounting frame. And the mounting frame and the clamping piece are used for replacing a screw hole, used for inserting the fixing piece, in the bottom of the box body, so that the mounting process is simplified.

The utility model discloses a container rear end lintel punching positioning device which comprises a bottom supporting frame, hollow limiting supports are arranged on the left side and the right side of an inner cavity of the bottom supporting frame, long-handle dart-shaped rods are rotatably connected to inner cavities of the hollow limiting supports, short-handle dart-shaped rods are rotatably connected to inner cavities of the hollow limiting supports, and the long-handle dart-shaped rods and the short-handle dart-shaped rods are connected with the bottom supporting frame. The long-handle dart-shaped rod is connected with the short-handle dart-shaped rod in a sliding mode, and the bottom of an inner cavity of the hollow limiting support is connected with a concave face rod in a sliding mode. The concave surface rod is pushed to slide in the inner cavity of the long-handle dart-shaped rod by starting the air cylinder, then the long-handle dart-shaped rod and the short-handle dart-shaped rod are driven by the first driven rod and the second driven rod to move relatively, and then the rear end lintel at the top of the material loading disc is clamped and fixed, so that the rear end lintel can be punched in the punching process of the rear end lintel, and the punching efficiency of the rear end lintel is improved. And the purpose of higher stability can be achieved.

The utility model relates to the technical field of formwork supporting, in particular to a formwork supporting piece. The two vertical backup plates are fixed on one side of a door opening wall body through screws, the two supporting top plates are attached to the bottom of a lintel formwork, the vertical backup plates are fixed with the supporting top plates, the lintel formwork is lapped on the top of the door opening wall body, and extension supporting mechanisms are assembled on the inner sides of the two supporting top plates. And the extension supporting mechanism is used for adjusting the distance between the two supporting top plates, the extension supporting mechanism comprises matching grooves, connecting rods and threaded rods, the ends, close to each other, of the two supporting top plates are each provided with two matching grooves, and the inner sides of the two matching grooves located on the same side are slidably connected with one connecting rod. Through the structural design of the extension supporting mechanism and the limiting mechanism, the distance between the two supporting top plates can be conveniently adjusted, meanwhile, the threaded rod can be rotationally limited, the using effect is stable, and the safety of the device is improved.