539 results about "Joist" patented technology

A deck frame includes at least one perimeter support member that supports a plurality of support joists. A post blocking assembly is disposed between adjacent support joists and supports a railing post. The post blocking assembly includes an angle bar, a first side plate secured to a first end of the angle bar and a second side plate secured to a second end of the angle bar opposite the first end. A first nut is threaded to a first bolt that extends through the first side plate, and a second nut is threaded to a second bolt that extends through the second side plate. The first side plate defines a first anti-rotation through hole and the second side plate defining a second anti-rotation through hole.

The utility model discloses an anti-shake double-channel steel joist structure, which comprises a horizontally arranged support beam, the support beam comprises two channel steels of which webs are vertically arranged and openings are opposite, and opposite semicircular grooves are correspondingly formed in flanges on the upper and lower sides of the two channel steels; opposite first connecting holes are formed in the positions, corresponding to the two sides of the semicircular groove, of webs of the two steel channels. A dragging and supporting lead screw is vertically arranged between the semicircular grooves of the two steel channels, a disc adjusting nut is installed on the dragging and supporting lead screw in a threaded fit mode, and the disc adjusting nut abuts against the upper side of the supporting beam. Lead screw fastening bolts are arranged in the first connecting holes in a penetrating mode, under the fastening effect of the lead screw fastening bolts, the flanges of the two pieces of channel steel can be close to each other, and the groove walls of the semicircular grooves of the two pieces of channel steel are tightly attached to the dragging and supporting lead screw. The supporting structure is simple in structure and convenient to construct, and has good supporting stability and safety.

The utility model discloses a concrete frame column formwork fastening system capable of being rapidly assembled and disassembled. Convenient, accurate and programmed erecting of a square hoop is achieved. Four I-shaped steel fastening drag hook rods are in lap joint end to end in a staggered mode to form a square hoop of a concrete frame column formwork, and a flange plate on one side of each I-shaped steel fastening drag hook rod is connected to a wooden ridge of the formwork in an abutting mode. A positioning pin is inserted into a pair of through holes with internal threads correspondingly formed in an upper web plate and a lower web plate of a head hook body of one fastening hook rod and a long-strip-shaped bolt hole formed in a tail web plate of the other corresponding fastening hook rod, and preliminary positioning of the four I-shaped steel fastening hook rods at the formwork fastening position is achieved. Long-strip-shaped conical wedges are synchronously beaten into long-strip-shaped bolt holes in the outer sides of the lap joint positions of the two fastening drag hook rods in the diagonal direction; and finally, the positioning pin at the head of the hook is taken out, and an upper jackscrew and a lower jackscrew are screwed into the threaded through hole in the head of the hook, so that the lap joint of the two fastening drag hook rods is fixed in a propping manner.

A textured barrier substrate includes a substrate having a first side and a second side opposing the first side. One or more protrusions extend from the second side. The first side is configured for securing to a first building structure, such as a joist, and the protrusions are configured to contact and support a second building material, such as flooring.

The utility model discloses a connecting structure of a ceiling joist, which relates to the technical field of ceiling decoration and comprises a first joist and a second joist which are perpendicular to each other in a horizontal plane. The connecting structure comprises a profile steel base body, a first clamping piece body and a second clamping piece body. One end of the profile steel base body is clamped in the second keel; a first clamping piece body is arranged at the top of the other end of the profile steel base body, a second clamping piece body is arranged at the bottom of the other end of the profile steel base body, and the second keel is located between the first clamping piece body and the second clamping piece body. During use, one end of the profile steel base body is clamped in the second keel, then the first keel is clamped in the first clamping piece body and the second clamping piece body, connection between the ceiling keels perpendicular to each other can be directly achieved, mounting and dismounting are faster and more efficient, and the labor cost is saved; meanwhile, the quick connection structure can be used for quick connection of two prefabricated suspended ceiling modules.

A connector, a connection and a method of making the connection that allows for the connection of a supported member to a supporting member and the supported member is a structural, fire-rated member to which joist hangers that support joists are attached, and the supported member protects the supporting member from fire damage.

An anchoring bracket that secures a safety line includes a pair of anchoring plates, a ridge cap member, and at least one D-ring connector. Each of the anchoring plates is hingedly connected the ridge cap member on opposite sides thereof and the D-ring connection member is rotatably connected to a top side member of the ridge cap member. Each of the anchoring plates includes first and second leg members having a plurality of boreholes therethrough. The anchoring plates may be opened to be placed on a flat roof or over a roof peak and secured to one or more structural members of the roof, e.g., roof rafters, trusses, joists, or Z-purlins, as well as portions of the roof decking, using appropriate fasteners in accordance with one or more safety regulations or protocols, e.g., local, OSHA, ANSI.

The present invention relates to the technical field of building construction, specifically a post-cast strip support structure and construction method, comprising a formwork, joists, and adjustable uprights. Multiple formwork is positioned between two rows of joists, with second support plates fixed on both sides of the joists to support the formwork. Adjacent joists in the same row are detachably connected via top supports, and the tops of the adjustable uprights are connected to the top supports. When cleaning the post-cast strip, the formwork and joists are removed from the adjustable uprights. The present invention enables the formwork to be removed from the uprights, thereby facilitating the cleaning of debris within the formwork and achieving a technical effect.

The invention relates to the technical field of light steel keel cutting, and provides a cutting device for light steel keel production, the cutting device is used for cutting a light steel keel into sections, a bearing platform and a rotating clamp, and the rotating clamp is rotationally arranged on the bearing platform and used for clamping the end of the light steel keel to be cut; one end of the supporting rod is arranged in the rotating clamp, the other end of the supporting rod extends to the outer side of the rotating clamp, and the peripheral wall of the supporting rod is attached to the inner wall of the light steel keel and used for being lapped with the light steel keel to be cut. The sliding seat is arranged on the bearing platform in a sliding mode, the sliding seat is provided with a horizontally-through containing space allowing the light steel joist to enter, and a plurality of cutting-up cutters are arranged on the inner circumference of the containing space and used for abutting against the outer circumferential wall of the light steel joist; the rotary clamp can drive the light steel keel to rotate so that the light steel keel can be cut through the cutting knife. The technical problem that in the prior art, after the light steel joist is cut, burrs and deformation can appear on the cut portion of the light steel joist is solved.

To provide a heat insulating material support that can construct an underfloor heat insulation structure not having heat insulating loss with excellent workability.SOLUTION: A heat insulating material support 1 receives and supports, from the lower surface side, both of a first heat insulating material 30 placed between columnar objects 10, 20 and a second heat insulating material 40 placed directly below a small floor joist 20. The heat insulating material support has side pieces 2 and support pieces 3 and is formed to be lockable to the small floor joist 20. The support piece 3 has a first support piece 3A extended from the side piece 2 and stretching to the arrangement space side of the first heat insulating material 30 and a second support piece 3B extended from the side piece and stretching to the arrangement space side of the second heat insulating material 40.SELECTED DRAWING: Figure 7

The utility model discloses a stable light steel joist connecting structure which comprises a bottom plate, a first light steel joist is arranged on one side of the top of the bottom plate, a second light steel joist attached to the top of the bottom plate is arranged on one side of the first light steel joist, and two clamping plates are installed on the top of the bottom plate. The inner walls of the two clamping plates are movably connected with the outer walls of the first light steel keel and the second light steel keel correspondingly. The utility model relates to the technical field of light steel keels, and the stable light steel keel connecting structure can improve the connecting stability of two light steel keels through the matching of the bottom plate, the clamping plate, the threaded rod, the sleeve, the gasket, the vertical plate and the bent plate, and avoids the phenomenon that the light steel keels are damaged and deformed due to large stress at the connecting position. Meanwhile, when the light steel keel needs to be dismantled, due to the fact that the light steel keel does not deform, the light steel keel can be rapidly dismantled by workers, and then the workers can use the light steel keel conveniently.

The present application relates to a kind of roof mounting process and joggle device of rail vehicle body, comprising the following steps: S1, four roof joists are fixedly connected on the installation reference surface of joggle device by bolt, form quadrilateral overall frame;S2, after pre-grouping, roof joist is together with joggle and falls into the main structure of car body;S3, roof joist is fixed with the main structure of car body by welding;S4, after welding, joggle is removed from roof joist;S5, roof is fallen into the roof joist of installation completion, and roof is fixedly connected with roof joist by bolt.The present application can realize quick, accurate installation roof, and it is favorable to promote operation efficiency, reduce operation cost.

The present invention relates to a structure comprising a first level and a second level, wherein the second level is a mezzanine. The structure includes a first structural insulated panel (SIP) forming a portion of a wall or a supporting wall of the mezzanine, and a second SIP forming a wall of an open space adjacent to the mezzanine. The second SIP has a height at least twice that of the first SIP. A third SIP forms at least a portion of a floor of the mezzanine. The first and second SIPs include columns and stress and load-bearing insulators adhered between the columns. The third SIP includes joists and stress and load-bearing insulators adhered between the joists. The second SIP further includes a girder integrated at the height of the mezzanine to support additional joists.

The utility model relates to the technical field of indoor decoration, and provides an access ceiling joist device which comprises an access ceiling plate and ceiling assemblies distributed on the two sides of the access ceiling plate. The suspended ceiling assembly comprises a lead screw and a keel assembly. The keel assembly comprises a first connecting piece and a first keel; the first connecting piece is connected with the first keel in a buckled mode, and a supporting rib is arranged at the side end of the first keel. A rabbet is formed in the side end of the access ceiling plate, and the supporting ribs are embedded into the rabbet. The screw rod is in threaded connection with the keel assembly, so that the height of the keel assembly is adjustable, and different mounting requirements can be met; and the supporting ribs are embedded into the rabbets of the access ceiling plate to support the access ceiling plate, so that the access ceiling plate is quickly and conveniently mounted.

The present invention concerns, in a first aspect, a support joist (1) for lightweight roof formwork systems, defined by a longitudinal body provided with a smooth upper surface, its length being equal to the length of the panels of the formwork systems, and its height at the longitudinal ends and in the central area (11) equal to the height of said panels. The support joist comprises at least one reinforcement portion (12) defined on the lower surface and configured to reinforce the longitudinal body between the central area (11) and at least one of the longitudinal ends of the longitudinal body, said at least one reinforcement portion (12) comprising a lower coupling (13) configured to couple with the end of a prop. A second aspect of the invention concerns a formwork system comprising said support joist (1).

The utility model relates to the field of coal mine equipment, in particular to a support top beam and joist connecting device which comprises a top beam, a joist and a ring beam sleeve, the joist is located below the top beam, the joist and the top beam are in a perpendicular crossing state on the horizontal plane, a plurality of connecting blocks are fixedly installed at the bottom end of the top beam, and the ring beam sleeve is sleeved with the joist. A plurality of inserting grooves are formed in the two side walls of the joist, the ring beam sleeve is in a U shape and annularly sleeves the outer wall of the joist, the top end of the ring beam sleeve is connected with the connecting block through bolts and nuts, connecting holes corresponding to the inserting grooves are formed in the ring beam sleeve, and connecting rods are slidably installed in the connecting holes. And the connecting rod is inserted and embedded in the slot. The device has the effect of facilitating movement of the top beam.

Thermally insulating and moisture and mold resistant subfloors include: a subfloor support structure that includes a subfloor framework comprising joists, beams, furring strips, and / or foam sheets, and optionally an intermediate underlayment comprising sheathing fastened to or applied over the subfloor framework, and lightweight composite underlayment panels fastened to the subfloor support structure. Lightweight composite panels include a foam core and fiber reinforced cementitious (or other protective) layers formed on the foam core surfaces. The subfloor support structure may include sheathing, wherein the lightweight composite panels are fastened to the sheathing to form the subfloor underlayment. In other cases, the subfloor support structure may omit sheathing, wherein the lightweight composite panels are fastened directly to the subfloor framework to form the subfloor underlayment. An optional ceiling structure of a lower floor can be formed by fastening lightweight composite ceiling panels under the subfloor framework of the subfloor.

The invention discloses an anti-sideslip curtain wall self-adaptive switching assembly and a curtain wall structure, and relates to the technical field of curtain walls, the curtain wall self-adaptive switching assembly comprises a supporting piece, a guiding piece and a connecting piece, the supporting piece is provided with a top side and a bottom side which are arranged back to back, and the bottom side is provided with a first limiting part and a second limiting part which are arranged at an included angle; the guide piece is rotationally connected to the top side of the supporting piece; the connecting piece penetrates through the supporting piece and the guiding piece. The anti-sideslip curtain wall self-adaptive switching assembly provided by the invention can be used for connecting a main body structure and a ceiling joist of a curtain wall. The connecting piece can be regarded as a bolt, and the guiding piece and the supporting piece can rotate relatively, so that even if the main body structure or the ceiling joist is in an inclined state at a certain angle, the guiding piece and the supporting piece can compensate the inclined angle through relative rotation, and the connecting piece can still smoothly penetrate through the guiding piece, the supporting piece and the ceiling joist to complete connection work; installation is simple and working efficiency is high.

This utility model discloses a detachable modular sports wood flooring for squash courts, relating to the field of wood flooring. It includes several uniformly spliced ​​sports wood plank components arranged in a rectangular pattern. Each sports wood plank component has several polygonal holes at its bottom. Rubber elastic pads are installed inside the polygonal holes and mounted on the top of the joists. Several linearly arranged sports wood plank components are mounted on the top of two sets of joists. Leveling components are provided on both sides of the joists to solve the problem of uneven foundation during installation, increasing installation flexibility. Matching protrusions and grooves are provided on both sides of each sports wood plank component. A multi-layer board is provided on the top of each sports wood plank component to increase the strength and stability of the sports wood flooring. This utility model, by setting matching protrusions and grooves, rubber elastic pads, and polygonal holes, can fix the sports wood plank components to the joists, realizing the splicing of multiple sets of sports wood plank components.

A horizontal pushing device of a feeding and discharging system of a multi-wire cutting machine comprises a driving mechanism, a pushing executing mechanism and a frame, the frame is fixed to a machine body of the multi-wire cutting machine, the pushing executing mechanism is assembled on the upper portion of the frame, the driving mechanism is arranged on the outer wall of one side of the frame, and the pushing executing mechanism is driven by the driving mechanism to operate; the pushing executing mechanism is provided with a lead screw nut transmission assembly, a supporting beam, a sliding block, a sliding rail and a connecting frame. The supporting beams and the sliding rails comprise two parts which are arranged in a bilateral symmetry mode, the supporting beams in the left part and the right part are connected together through a connecting frame, the sliding blocks are fixedly assembled on the supporting beams and matched with the corresponding sliding rails, the sliding rails are fixed to the inner side of the frame, and the lead screw nut transmission assembly is arranged on one side of the frame. The lead screw is fixedly assembled with the output end of the driving mechanism, and the nut is fixedly connected with the joist arranged on the same side. According to the utility model, the purposes of ensuring the reliability of loading and unloading work of the workpiece and improving the working efficiency are achieved.

1. The name of the design product: suspended ceiling joist (can hide light). 2. The use of the design product: the design product is used to connect and fix suspended ceiling panels, and the lower cavity is installed with light-emitting lamp strips as lighting decoration. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view. 5. Other circumstances that need to be explained: the product is of indefinite length.

The invention provides an adjustable installation method for an equipment integration belt. The adjustable installation method comprises the following steps that paying-off positioning is conducted, and a ceiling joist is installed; an A-shaped keel is installed below the ceiling keel. The ceilings on the two sides of the equipment integration belt are fixed below the ceiling joists through the A-shaped joists, and the ceilings on the two sides of the equipment integration belt are connected to the turning plates on the two side edges of the equipment integration belt in a lap joint mode; the two customized hanging pieces are symmetrically clamped and fixed by the two A-shaped keels at the symmetrical positions, and the auxiliary keel is inserted into the two customized hanging pieces in a penetrating mode and hung on the equipment integration belt. And the second hanging piece is fixed between the auxiliary keel and the equipment integration belt. The invention further discloses an adjustable hoisting structural part of the equipment integration belt, the adjustable hoisting structural part comprises the customized hanging part, the second hanging part and the auxiliary keel, the auxiliary keel is suspended on the equipment integration belt through the customized hanging part and the A-shaped keel, and then the flatness of the equipment integration belt and ceilings on the two sides of the equipment integration belt is adjusted through the second hanging part and the auxiliary keel. The problems that an equipment integration belt and ceilings on the two sides of the equipment integration belt cannot be detached, and the flatness cannot be adjusted are solved.

The utility model discloses a Song charm teapot door couch with a reinforced frame structure, which comprises a first frame, a core plate, two carved tooth plates, a second frame and a tincture, the core plate is embedded in the first frame, the tops of the two carved tooth plates are inserted into the bottom of the first frame through connecting insertion rods, and the second frame is connected with the second frame through connecting insertion rods. The two carved tooth plates are distributed at the bottom of the core plate in a bilateral symmetry mode, the second frame is inserted into the bottoms of the two carved tooth plates through the connecting insertion rods, and the Toney is connected to the bottom of the second frame through the square tenons. The carved tooth plate and the first frame are connected through the square tenons, the joists are connected to the second frame through the square tenons, so that a stable frame structure is integrally formed, the longitudinal middle columns and the transverse middle columns are arranged at the bottom of the core plate, the middle supporting force is enhanced, and the stability and the structural strength under the large scale are integrally guaranteed; the service life is prolonged, and the practicability is high.

The invention provides a four-level sea wave-oriented ship-shore dual-purpose crane, which comprises a rail base, a ship-shore dual-purpose crane, a ship-shore dual-purpose crane and a ship-shore dual-purpose crane, the cart walking base is of a triangular truss structure, stable supporting is formed through an inclined steel frame and a horizontal joist, and a trolley walking track is arranged on the upper portion of the base. The trolley walking base is used for supporting and moving the cantilever crane and realizing transverse and longitudinal movement; the arm frame is used for supporting the grabbing mechanism and carrying out stretching and angle adjustment according to operation requirements; the lifting height of the grabbing mechanism is divided into an upper rail section and a lower rail section, the total lifting height covers the carrying requirements under different water levels, and the dynamic load range is calculated through a lifting dynamic load coefficient formula; the sea wave compensation device realizes effective compensation of four degrees of freedom of heaving, pitching, rolling and yawing by independently controlling the displacement of four hydraulic oil cylinders, provides heaving compensation capability and ship shaking compensation capability, and compensates six degrees of freedom in cooperation with movement of large and small vehicles, so that the stability of the crane is kept.

The invention discloses a construction method for an overhead formwork supporting system of a large-span structure. The construction method comprises the steps that firstly, the overhead formwork supporting system of the large-span structure is designed; then vertical structure construction and embedded part embedding are conducted; then, a heavy plate buckle frame is erected, and the elevation is adjusted; the I-shaped steel is hoisted in place after adjustment; then I-shaped steel and the embedded part are welded, and a tail square tube is reinforced; mounting a top plate structure double-channel steel joist and erecting a plate bottom supporting system; then concrete pouring construction is conducted; and finally, dismounting the I-shaped steel and the supporting system. A heavy Z-shaped disc buckle frame and 24a I-shaped steel main ridge combined system is adopted, the temporary passing requirement that the clear width of a lane is 5.0 m is met, the contradiction that a traditional supporting system cannot give consideration to construction and traffic is effectively solved, the supporting system is particularly suitable for the complex working conditions that a construction site is narrow, and the structure crosses an existing passing channel, and the space utilization efficiency is remarkably improved.

The utility model discloses a multifunctional lightgage steel joist connecting clamping piece which comprises a first transverse plate and a second transverse plate, the right side of the top of the first transverse plate is fixedly connected with a fixing block, the front side of the fixing block is fixedly connected with a barrel, and the rear side of an inner cavity of the barrel is movably connected with a threaded rod through a bearing. The surface of the threaded rod is sleeved with a moving rod in a threaded mode, the right side of the first transverse plate is movably connected with a limiting plate through a hinge, keel frames are fixedly connected to the front side and the rear side of the bottom of the first transverse plate, and a connecting plate is fixedly connected between the keel frames. Through cooperation of the first transverse plate, the second transverse plate, the fixing block, the barrel, the threaded rod, the movable rod and the limiting plate, the height of the keel connecting piece can be conveniently adjusted, so that the keel connecting piece is higher in flexibility and better in installation stability, the keel connecting process is facilitated, and convenience is brought to an operator.

The utility model provides a kind of microlens grinding device, including base, the top of base is fixedly arranged with portal frame, the portal frame is fixedly arranged with joist in, the middle part of joist is provided with pivot, the top of pivot is fixedly arranged with bridge plate, the bridge plate top is fixedly connected with the clamp symmetrical to pivot, the side of portal frame is provided with the conveyor belt of height lower than clamp, the other side of portal frame is provided with lifting frame, the middle part of lifting frame is provided with transmission shaft.In the utility model, set up portal frame, set up conveyor belt on the side of portal frame, set up the millable disc that can be lifted on the other side of portal frame, set up the bridge plate that can be horizontally rotated in portal frame, then set up the clamp symmetrical to pivot on plate, so that microlens module on one clamp can be milled, another clamp can be carried out feeding and discharging operation, greatly improve production efficiency.

This application relates to a quick-installation structure for mounting lighting fixtures on a ceiling joist, belonging to the field of ceiling lighting fixture installation structures. It includes beams and joists, with the joists evenly fixed between the beams. Several ceiling panels are also installed between the beams, and the ceiling panels are fixedly connected to the joists. A lighting fixture interface seat is provided below each ceiling panel, and equipment racks are symmetrically installed on both sides of the lighting fixture interface seat. The equipment racks are fixedly connected to the lighting fixture interface seat, and several sets of auxiliary fasteners are installed on the equipment racks, with the auxiliary fasteners threadedly connected to the equipment racks. This application adopts a quick-installation structure, allowing for rapid installation of lighting fixtures without the need for specialized tools or complex operations, significantly saving installation time and labor costs. It eliminates the need for cutting or drilling the ceiling joists, avoiding damage to the ceiling structure and maintaining the integrity and aesthetics of the ceiling. Furthermore, the combination of fasteners and auxiliary fasteners ensures the stability of the installed lighting fixtures.

To provide an inter-story structure by a framework wall construction method, capable of reducing noise due to vibration on an upper floor to reduce noise from the upper floor to lower floors.SOLUTION: An inter-story structure comprises: an underfloor frame body 2 arranged on a lower floor wall panel 1 and assembled with floor joist material; floor plywood 3 laid on the top surface of the underfloor frame body 2; an upper floor wall panel 4 arranged on the floor plywood 3 above the lower floor wall panel 1; a three-dimensional net-like structure body 5 laid on the top surface of the floor plywood 3; and a floor substrate material 6 laid on the three-dimensional net-like structure body 5, wherein the upper floor wall panel 4 has a lower frame 4a, which has, on its bottom surface, a groove-like ventiduct 4b extending in a width direction of the lower frame 4a to communicate with the three-dimensional net-like structure body 5.SELECTED DRAWING: Figure 1