31 results about "Floor openings" patented technology

The utility model discloses a construction structure for completing floor holing by using a post-construction steel beam, which comprises a butt-joint screw rod, two ends of the butt-joint screw rod are welded with end sealing plates, the outer walls of the end sealing plates are welded with connecting plates, the inner walls of the connecting plates are provided with connecting bolts, and the connecting bolts are connected with the butt-joint screw rod. By arranging butt joint screws, end sealing plates, connecting plates and connecting bolts, the butt joint screws are symmetrically distributed into two groups, each group comprises three butt joint screws which are distributed at equal intervals, the connecting plates are distributed in an I shape, the connecting bolts are distributed into two groups, and each group comprises three connecting bolts which are distributed at equal intervals. According to the device, by arranging the butt joint screws, the end sealing plates, the connecting plates and the connecting bolts, the functions of simple construction and convenient operation are achieved, so that the problems of time and labor waste caused by tedious construction are solved, the construction cost is effectively saved, the problem of high cost is solved, and then the working requirements of people are met.

According to the smoke exhaust flue structure floor hole retention and construction method, a flue floor support is completed at a time when a main body structure is constructed, the support and the structure are integrally cast in situ, the section size of a support area is smaller than that of a surrounding floor, and a formed hole is slightly smaller than the inner diameter of a smoke exhaust flue; when the smoke exhaust flue is installed, it is only needed to conduct bed mortar leveling in the bearing area, and pits in the bearing area can be leveled layer by layer in the follow-up decoration process so that the leakproofness and stability of the smoke exhaust flue can be enhanced. By means of the method, the problems that in an existing smoke exhaust flue structure floor hole reserving scheme, the number of pre-installation procedures is large, labor and materials are wasted, cost is high, and environmental protection is not achieved can be effectively solved.

The utility model discloses a portable hole-shaped floor supporting frame fixing device. The portable hole-shaped floor supporting frame fixing device comprises at least two first connecting rods, a reinforcing component and a second connecting rod. The first connecting rods are arranged on the peripheral sides of the supporting frame stand columns correspondingly. One end of the first connecting rod is connected with one end of the reinforcing component, the other end of the reinforcing component is connected with the second connecting rods, the second connecting rods are arranged close to the inner side of a floor hole, and the at least two second connecting rods are used for being fixed to the floor hole. Through the combination of the at least two first connecting rods, the reinforcing components and the second connecting rods, a multi-direction fixing structure surrounding the supporting frame stand columns is formed, compared with a traditional single-point-position fixing mode, the anti-overturning capacity and the horizontal positioning precision of the supporting frame on the hole-shaped floor can be remarkably improved, dislocation or moving caused by insufficient single-point stress is avoided, and the supporting frame can be conveniently and rapidly fixed. Meanwhile, loads are dispersed through multidirectional cooperative stress, and local damage to the floor edge is reduced.

The utility model discloses a light fireproof plugging plate structure for sealing a tube well floor hole constructed from the lower part, which comprises an upper-layer edge keel, a lower-layer edge keel, an upper-layer horizontal keel, a lower-layer horizontal keel, an upper-layer fire-resistant paper surface gypsum board, a lower-layer fire-resistant paper surface gypsum board, rock wool and sealant, a plurality of upper-layer edge keels and a plurality of lower-layer edge keels are fixed to the upper portions and the lower portions of the opposite surfaces of a left beam and a right beam which are parallel to each other at the indoor top in the extending direction of the beams at intervals, upper-layer horizontal keels are fixed to the positions between the left upper-layer edge keels and the right upper-layer edge keels which correspond to each other, and upper-layer fire-resistant paper face gypsum boards are fixed to the lower surfaces of the upper-layer horizontal keels. Lower-layer horizontal keels are fixed between the left and right corresponding lower-layer edge keels, are positioned at the bottom end of the upper-layer fire-resistant paper surface gypsum board, are filled with rock wool, and are fixed on the lower surfaces of the lower-layer horizontal keels; the left end and the right end of the lower fire-resistant paper surface gypsum board are fixed to the bottoms of the left beam and the right beam respectively.

The utility model belongs to the technical field of hole protection, and particularly relates to a novel floor hole adjustable protection device which comprises two pieces of adjustable positioning square steel and a telescopic protection plate, and the two pieces of adjustable positioning square steel are arranged in parallel; linear sliding rail grooves are formed in the sides, close to each other, of the two pieces of adjusting type positioning square steel, the two sides of the telescopic protection plate are connected into the two linear sliding rail grooves in a limiting and sliding mode correspondingly, and a plurality of evenly-distributed mounting round holes are formed in the tops of the adjusting type positioning square steel. The distance between the first sliding plate and the second sliding plate can be adjusted, that is, the exposed length of the telescopic plate is changed, then the area of the telescopic protection plate is changed, the telescopic protection plate is made to be matched with floor slab holes of different sizes, and the number of the telescopic protection plates between the two pieces of adjusting type positioning square steel is selected according to requirements. And a plurality of novel adjustable protection devices for the floor hole can be arranged and mounted in order.

The utility model discloses a protective cover plate for a floor hole, which relates to the field of buildings and comprises a cover plate, an extension plate is arranged on the peripheral side of the cover plate, and the cover plate covers the outer side of the floor hole and is used for protecting the floor hole; the bracket is arranged below the cover plate and is used for supporting the cover plate; and the limiting pieces are installed on the multiple supporting legs of the support, the positions of the limiting pieces are adjusted according to the floor holes with different widths, the limiting pieces are attached to the inner walls of the holes, and then the support is limited. The protective cover plate is provided with the position-adjustable limiting piece, the position of the limiting plate can be flexibly adjusted according to floor holes with different widths, so that the limiting plate is attached to the inner wall of the hole, the support is stably limited at the hole, the adaptability of the protective cover plate to the floor holes with various sizes is greatly improved, and the protective effect is enhanced.

The application discloses a reinforcing device for a building floor opening of an existing building. The first steel beam, the second steel beam, the third steel beam and the fourth steel beam are abutted to the bottom of the building floor of the existing building; the bottom end of the four L-shaped edge plates is connected to the side wall of the first steel beam, the second steel beam, the third steel beam and the fourth steel beam respectively, the four L-shaped edge plates are enclosed to form a rectangular structure, the position and size of the rectangular structure correspond to the position and size of the first opening, the outer side wall of the rectangular structure forms a groove with the inner side wall of the second opening of the building floor of the existing building; the plurality of steel beams cut off in the building floor of the existing building are connected to the outer side wall of the rectangular structure, and the cast-in-place concrete structure is arranged in the groove; the top of the L-shaped edge plate is flush with the top of the first opening. Therefore, the reinforcing device for the building floor opening of the existing building not only realizes effective reinforcement of the opening area of the building floor of the existing building, but also has multiple advantages such as convenient construction and reliable structure.

The utility model discloses an elevator car door opening guide structure based on spring compensation, which comprises a car and a bracket arranged on the lower end face of the car, a linkage assembly is arranged on the opposite face of the bracket and the car, and the linkage assembly comprises a moving block located between the bracket and the car. The movable block is arranged between the lift car and the bracket, the movable block can move along with the lift car door, the containing opening is formed in the surface wall of the movable block, the two sides of the containing opening communicate with the outside, a round wheel capable of making contact with the inner wall of an elevator shaft is arranged in the containing opening, and the linkage assembly is further provided with a pushing assembly. The round wheel can be suitable for elevator shafts under different conditions and special design of some floor openings, so that the lower portion and the upper portion of the lift car door can move together, and pause during opening or closing of the lift car door is avoided.

The invention relates to the technical field of building engineering, in particular to a building floor hole plugging device and a construction method. Comprising a supporting plate, a sleeve, a lifting rod and a cover plate, and a driving device is installed in the supporting plate; the sleeve is of a hollow cylindrical structure, and the lower end of the sleeve is connected with the supporting plate; the lifting rod is vertically and adjustably inserted into the sleeve, the lower end of the lifting rod sequentially penetrates through the sleeve and the upper surface wall of the supporting plate and is connected with the driving device, and the upper end of the lifting rod is connected with the cover plate. The device is easy to operate, the cover plate is driven in an automatic mode, and the workload of constructors can be greatly relieved; and when concrete plugging needs to be carried out on the floor slab hole, the concrete plugging device can also serve as a formwork, the plugging quality of the floor slab hole is guaranteed, and great popularization value is achieved.

The utility model discloses a composite floor slab opening die welding clamp which comprises a base, the upper end of the base is connected with a clamp assembly, the clamp assembly comprises a first adjusting piece which is installed on the base and used for preventing deviation and limiting a set of plates, and the first adjusting piece comprises a supporting frame installed on the base and a second adjusting piece which is installed on the supporting frame. The supporting frame is connected with a clamping piece for clamping a plate, and the clamping piece comprises a one-way screw rod which is in threaded connection with the middle part of the supporting frame. According to the composite floor slab opening die welding clamp, the supporting frame, the one-way screw rod, the first hand wheel, the limiting plate, the detection strip, the limiting frames and the first scale strip are matched with one another, vertical limiting of a horizontal plate is achieved, the thickness of the plate is obtained in time, and the second hand wheel, the two-way screw rod, the two limiting frames, the vernier and the second scale strip are matched with one another; limiting clamping of the front end and the rear end of a horizontal plate is achieved, and the width of the plate is obtained.

The invention discloses a floor hole plugging device which comprises an upper connecting assembly, a lower connecting assembly and a plugging piece, the lower connecting assembly is slidably connected to the upper connecting assembly and can be locked, and the plugging piece is detachably and fixedly connected to the lower connecting assembly. The upper connecting assembly is arranged on an upper hole of a floor hole and extends into the floor hole, the lower connecting assembly is located in the floor hole, and the plugging piece is placed in the floor hole to plug a lower hole of the floor hole and is fixedly connected with the lower connecting assembly. During use, stable plugging of a floor hole can be formed, the problems of slurry leakage and leakage in the concrete pouring process are effectively prevented, and the pouring quality and waterproof performance of a floor are ensured.

The invention relates to a steel plate reinforcement and construction method for indoor newly-added exhaust passage floor holing, which is mainly used for holing at proper positions of floors of an existing house without a vertical exhaust passage and reinforcing holing parts and comprises transverse steel plates, vertical steel plates, wall anchor bolts, short angle steel and floor anchor bolts. The vertical steel plate is adhered to the inner layer of the bottom surface of the floor around the hole; the transverse steel plate is adhered to the outermost layer of the vertical steel plate on the bottom surface of the floor slab; before the vertical steel plate is pasted, the floor needs to be slotted at the bottom face pasting position of the floor. The vertical steel plates, the transverse steel plates and the short angle steel are fixed in a welding mode. The short angle steel is fixedly connected with the wall body through a wall body anchor bolt; the vertical steel plates and the transverse steel plates are connected with the floor slab in an adhering mode and are fixed through floor slab anchor bolts.

An elevator car (100) and an elevator (200), the elevator car comprising a car floor (1), the car floor comprising at least two sections, the at least two sections comprising at least one openable section (2). The openable section (2) is arranged to provide access from the inside of the elevator car (100) to the outside of the car through the floor opening (4). The openable section (2) comprises a movable floor element (5) arrangeable to a closed position for closing the floor opening and an open position for allowing access to the floor opening. Guiding means (6) are arranged for slidably guiding the movable floor element (5) from the closed position to the open position, or at least partially above the other floor section (3), or to the position of a removable floor element (25) removed from the car floor (1).

The utility model relates to floor board opening detection technical field, specifically disclose a kind of escalator floor board opening protection device, a kind of escalator floor board opening protection device, it includes: base, trigger switch is provided on the base;Swing arm, the swing arm is rotatably arranged on the base by rotating shaft, the swing arm is provided with trigger part, the position of the trigger part corresponds with the position of the trigger switch;Buffer ejector rod assembly, the buffer ejector rod assembly is set on the swing arm;Pre-tightening piece, the pre-tightening piece is connected with the swing arm and the base respectively;Limiting component, the limiting component is set on the base, and the limiting component is used to limit the position of the swing arm.The utility model has the advantages of effectively preventing the damage of protection device or trigger switch malfunction by buffer ejector rod assembly, improves the reliability of escalator floor board opening protection and the advantages such as installation maintenance efficiency.

A baby and toddler bandana with a pocket (1) characterized in that it consists of two parts: the bandana (2) and a pocket (3) sewn onto the bandana on both outer sides (right and left) and having a bottom opening (4). A pacifier (6) attached to a pacifier chain (5) is stored in the pocket (3) and is caught if it falls through the pocket (3). Available in any type of closure, shape, size, color, and material.

The invention relates to a floor covering (1) for a floor panel (2) of a vehicle (3), wherein the floor covering (1) comprises an insulating layer (5) for bearing on the floor panel (2), which consists of an insulating material, and a carpet layer (6) which rests on the insulating layer (5) in a thickness direction (7) of the floor covering (1) and is thus firmly connected to it, and which consists of a carpet material. The floor covering (1) has at least one floor flap (8) which is formed with a section of the insulating layer (5) and with a section of the carpet layer (6) and which is adjustably arranged on the floor covering (1) by means of a connecting area (9), so that the floor flap (8) can be pivoted about a pivot axis (10) located in the carpet layer (6) between an open position, in which it exposes a floor opening (11) penetrating the floor covering (1), and a closed position, in which it closes the floor opening (11). To improve accessibility of the bottom opening, the connecting area (9) is designed in a web-like shape, connects to the bottom flap (8) transversely to the thickness direction (7) and forms the pivot axis (10) transversely to the thickness direction (7) spaced away from the bottom flap (8).

To provide a floor drain trap and a device for the floor drain trap, which can easily repair a floor drain trap that needs repair due to corrosion or the like without chipping the concrete on the floor and can improve the drainage function when repairing it. [Solution] This floor drain trap has a trap body (10) installed in an opening (9) in a floor (F), and the upper end of a vertical drain pipe (1) extending vertically is joined to an opening (11a) in the bottom (11) of the trap body (10). It includes a head section (31) that is open at the top and is placed in close contact with the inner circumferential surface and bottom surface of the trap body (10) via an adhesive layer (G), and a vertical pipe section (32) that penetrates the bottom of the head section (31) from top to bottom and is held by the head section (31). The vertical pipe section (32) has a cylindrical rising section (35) at its upper end and a hanging section (36) at its lower end that extends downward from the rising section (35) inside the vertical drain pipe (11) to the inside of a joint pipe (3) between the vertical drain pipe (11) and the horizontal drain pipe (2) extending horizontally below. A headed cylindrical bowl (40) is placed on the upper end of the rising section (35), and a water seal section (37) is formed between the outer circumferential surface (34) of the head section and the rising section (35).

A fire pit combustion chamber has an inner wall and a floor having perforations for allowing ash and to pass therethrough and having a floor opening selectively coverable by a lift out section having a rim and having a cover with a raised shape for directing fuel outwardly as the fuel burns. The inverted cover is also receivable within the opening. The cover may define cover openings. A floor recess receives the rim to prevent lateral movement of the cover. An ash pan is below the floor for receiving ash and is removeable though the floor opening. A chute below the floor directs ash into the ash pan. The ash pan may conform to the chute for permitting the ash pan to pass into the chute and may be suspended therefrom. A second ash pan e.g., a removable drawer, may collecting ash when the ash pan is removed.

Fall-through protection, in particular for openings that are not considered fall-through resistant, such as roof or floor openings, comprising a plurality of flat elements (12, 14, 16, 18, 20) which are connected and fixed to one another in a grid-like pattern with rectangular openings (11) extending in the longitudinal and transverse directions, characterized in that an opening (22) is provided at at least one end of each of the flat elements (12, 14, 16, 18, 20), and that a rod (32, 34) is inserted through the openings (22) and fixed to secure adjacent flat elements (12, 14, 16, 18, 20).

The utility model discloses a floor hole covering device relates to the field of construction technical scheme is, including the fixed plate of rectangle, the left and right sides of fixed plate are established respectively and insert the slot, and the projection of two slots is staggered setting up and down in vertical plane, and the left cover plate and right cover plate are inserted respectively in the slot, when the left cover plate and right cover plate are all located in the fixed plate, and the both are in the up and down stacked state, the middle part of fixed plate is established and passes through the through -hole, and the through -hole is swingly set up and stands the pole, and the upper end of stand pole is set screw thread, and the nut is screw -threaded connection on screw thread, and the nut is located the top of fixed plate, the lower end of stand pole is located and is set up and rotates the strip -shaped lower batten, and the middle part of lower batten is rotatably connected with stand pole.

The utility model provides an underground multi-storey station safety evacuation stair and a fire-fighting elevator set, and relates to the technical field of fire-fighting engineering. A hoistway wall is arranged in the multi-layer station main body; an elevator machine room is arranged on the upper portion of the multi-layer station body. A control cabinet is arranged in the elevator machine room; a traction machine is connected into the elevator machine room in a bolt fastening mode. The traction machine is electrically connected with the control cabinet; an elevator car is arranged in the hoistway wall; the elevator car is connected with the traction machine through a steel wire rope; an evacuation channel is arranged on the right portion of the multi-layer station body. And a plurality of layers of stairs are arranged in the evacuation channel. When the smoke sensor senses smoke generated by a fire, the inflation pump is started to inflate the inflation door curtain, so that the inflation door curtain rapidly expands to be tightly attached to a floor opening to form a temporary barrier, smoke is prevented from entering the evacuation channel, and the problem that in the evacuation process of people through the evacuation channel, the smoke generated by the fire can enter the evacuation channel, and the evacuation channel is damaged is solved. And the visibility in the evacuation channel is reduced.

The invention relates to a measuring and / or programming device (1) for a cannon, with at least one coil, in particular a measuring coil (14) and / or a programming coil (15), wherein the measuring and / or programming device (1) has a projectile passage opening (18) and the projectile passage opening (18) is bounded by an inner wall surface (19), wherein the inner wall surface (19) has an inner cross-section that widens in the direction of firing. The measuring and / or programming device (1) has a lower probability of damage and enables precise firing by having an extension part (17) in the measuring and / or programming device (1), wherein the extension part (17) forms at least part of the inner wall surface (19), and wherein the length of the extension part (17) is greater than the smallest opening radius of the extension part (17).

The utility model discloses a protective device for a post-construction mesh of a floor hole. The protective device comprises an embedded part, a protective mesh, a locking part and a fixing hole, the hole is located in the joint of the floor slab and the wall body, the multiple embedded parts are embedded in the floor slab, and multiple fixing holes are formed in the wall body; one end of a transverse rib of the protective net piece is detachably inserted into the fixing hole, the other end of the transverse rib of the protective net piece is locked on the embedded part through a locking piece, and the two ends of a longitudinal rib of the protective net piece are locked on the embedded part through locking pieces respectively; the plurality of embedded parts are arranged around the edge of the hole, and the plurality of fixing holes are arranged at intervals along the edge of the hole, so that the transverse ribs and the longitudinal ribs of the protective net sheet are fixed on the floor and the wall body, and the protective net sheet covers the hole. The utility model relates to the technical field of engineering construction, and can solve the problems that a protective net in the prior art is inconvenient to disassemble and assemble and cannot meet temporary use requirements of a hole.

The utility model relates to auxiliary equipment for building construction, in particular to an efficient blocking and hanging formwork device for overlapped holes, which comprises a support frame and a plurality of groups of blocking formworks, the plurality of groups of blocking formworks are tightly attached to the bottoms of the overlapped holes of corresponding wallboards, and the plurality of groups of blocking formworks are fixedly connected through a connecting rod assembly. The supporting frame is arranged on the upper side of a hole of a wall plate at the highest layer in a covering mode and fixedly connected with the top of the connecting rod assembly, the connecting rod assembly comprises threaded short rods and extending screw rods, the positioning threaded hanging rods are inserted into the section of the hole, and the adjacent threaded short rod hanging rods are fixedly connected through the extending screw rods. The supporting frame is matched with the connecting rod assembly to transmit force to support the multiple sets of plugging formworks to be tightly attached to the bottoms of the overlapped holes of the corresponding wallboards, and the problems that an existing plugging formwork for the house building floor hole is prone to deviation in the installing and reinforcing process, and a gap between the plugging formwork and a floor is large; and cement paste in the concrete is severely lost in the concrete pouring process.

The utility model provides a floor temporary hole support-free plugging device which comprises an embedded cylinder, a chassis plate fixed to the outer side of the bottom of the embedded cylinder, a connecting column vertically fixed to the outer side of the interior of the chassis plate, a pressure spring fixedly connected to the top of the connecting column, a fixing ring embedded to the upper portion of the outer side of the connecting column, and a sealing ring fixed to the top of the fixing ring. A connecting cylinder is nested above the outer side of the embedding cylinder, and an upper disc plate is fixed above the outer wall of the connecting cylinder. After plugging, supplemented concrete can be prevented from leaking out along a gap between the hole and the device, the plugging effect is good, and use is more convenient.

The utility model relates to the technical field of building construction, in particular to a floor hole shaping die which comprises an assembly plate assembly, an inclined plate component and a connecting component arranged on the side face of the inclined plate component, and the outer side face of the inclined plate component is a face directly making contact with concrete when the concrete is poured. The sawtooth groove can guarantee that the side face of a poured reserved hole is in a sawtooth shape, pouring stability during secondary gap filling can be well guaranteed, the assembling plate assembly is convenient to disassemble and assemble, and the working efficiency can be improved. The supporting assembly provides support from the interior of the assembly plate assembly and prevents concrete from pressing and deforming a mold during pouring, and the assembly plate assembly and the supporting assembly have the advantages that the side face of a poured reserved hole is in a sawtooth shape through the sawtooth groove of the inclined plate body, it is guaranteed that pouring is stable during secondary gap filling, and the assembly plate assembly and the supporting assembly are convenient to disassemble and assemble; and the working efficiency can be improved.

The invention discloses a building floor opening protection device, and relates to the technical field of building construction safety protection. Comprising a sliding block, the sliding block is located in the sliding groove and slidably connected with the square plate through the sliding groove, a guide rod penetrates through the sliding block, a compression spring is fixedly connected to the outer side of the sliding block, and a through hole is formed in the bottom of the sliding block. According to the building floor hole protection device, the sliding blocks make close contact with the inner wall of the hole, a stable supporting structure can be formed, the structure can effectively prevent the protection device from shaking, toppling or shifting when the protection device is impacted by external force, it is ensured that the protection device is kept at the correct position all the time, reliable protection is provided for the hole, and the service life of the hole is prolonged. And meanwhile, the contact between the bottom and the side of the hole can uniformly disperse the pressure to the structure around the hole, so that the protection device can be prevented from being damaged due to overlarge local stress, the pressure borne by the hole structure is reduced, and the building structure around the hole is protected from being damaged.

A fire-rated poke-thru (FRPT) device for routing power and low voltage through an opening in a concrete floor assembly. The FRPT includes a support plate including an opening configured for mounting of a quad receptacle and cutouts for attachment of a plurality of low voltage keystones. The quad receptacle includes a central body with four corners. The support plate is configured for mounting of a low voltage keystone at each of the corners of the quad receptacle. A section of electrical metal tubing extends from the support plate. The FRPT includes a top flange, a sliding plate, a bottom seal off, and one or more intumescent discs. The FRPT may be inserted within the opening in the concrete floor and secured thereto. If exposed to the heat from a fire, the intumescent discs will expand around the FRPT and prevent spreading of the fire through the floor opening.