768 results about "Joist" patented technology

A deck clip that may be used in the construction of a deck and a method of using the same is provided. The deck clip may include a grip and a spacer. Portions of both the grip and the spacer may be received within the grooves of deck boards used in decks. Thus, the deck clip may be selectively affixed to deck boards. Further, the deck clip may be configured to receive a fastener for anchoring the deck clip to joists. Thus, the deck clip may be used to couple deck boards to joists. Advantageously, the deck clip may be used to construct a deck without exposed fasteners, the geometry of the spacer may assist with creating a consistent gap between adjacent deck boards, and the grip may comprise saw-tooth shaped surfaces for improved retention of the deck boards.

A deck clip system, in which a deck clip or series of deck clips are provide for rapid deployment of deck boarding on joists. The deck clips have a base element and engaging elements. The base element can be affixed to a joist and the engaging elements extend from the base vertically to engage planks or deck boarding. The planks may have recesses configured to receive the engaging elements. The clips may be arranged or disposed into a strip for even faster deployment.

The present invention provides a support assembly and a tunnel boring machine. The support assembly is applied to the tunnel boring machine and includes: a base; a drive assembly, one end of which is connected to the tunnel boring machine and the other end of which is connected to the base, for driving the base to move; a support plate, which is arranged on the base and is used to support the anchor net; and a support beam assembly, which is arranged on the base and is used to lift and support the top beam. The present application integrates the support beam assembly on the support assembly, improves the functional integration of the tunnel boring machine, saves equipment space, improves the production efficiency of the equipment, and saves the production cost of the equipment. In addition, the support plate and the support beam assembly share a set of drive assemblies, thus saving a set of drive assemblies. Compared with the separate arrangement of temporary support and support beam device, the number of components is greatly simplified, and the contradiction that the temporary support and support beam device cannot be installed on the tunnel boring machine at the same time due to the overlapping installation positions of the temporary support and the support beam device is resolved, providing more operating space for the anchoring operation and beam erection operation of the tunnel boring machine.

The invention belongs to the technical field of keel bending, and particularly relates to an automatic bending device for a light steel joist, which comprises a conveyor, a bending assembly is arranged above the conveyor, and the device is provided with the bending assembly, so that the light steel joist can be attached to the surface of the bending assembly to be subjected to pre-deformation bending treatment; the light steel joist is subjected to small-angle deformation before formal bending treatment, so that the resilience after edge folding can be reduced, the residual stress in the light steel joist can be released, the possibility of quality problems such as deformation and cracking caused by stress concentration is reduced, the structural strength and durability of the light steel joist are enhanced, and the service life of the light steel joist is prolonged. The stability and reliability of the whole structure are guaranteed, the internal stress distribution is more uniform and reasonable, so that the machining precision and the product quality are improved, the bending consistency of the light steel keel is guaranteed, manual intervention is not needed, the automation degree of the bending process is greatly improved, the labor intensity is relieved, and the production efficiency is improved.

Embodiments of the present invention disclose a snap-in member, an assembled decking combination and a member of assembling decking, relating to the field of decking assembling. Among them, the snap-in member comprises a first snap-in seat, a second snap-in seat and a connecting base; wherein the other side of said first snap-in seat is configured with a driving groove for driving the rotation of said first snap-in seat, said second snap-in seat and said connecting base, such that the first snap-in seat and the second snap-in seat are snapped into and limit a joist and a decking body, respectively. The present invention mounts two adjacent decking bodies on the same joist only by adjusting the angle of a snap-in member, which is simple and easy to operate and effectively improves the efficiency of installation and disassembly of decking bodies.

A structural support device for supporting a joist relative to a support includes a joist engagement portion configured to engage the joist and be secured directly to the joist. A support engagement portion extends from the joist engagement portion and is configured to engage the support and be secured directly to the support. At least one hook extends from one of the joist engagement portion and support engagement portion and is configured to locate and hold the structural support device on the support prior to securing the support engagement portion to the support with a fastener.

A system and method of a temporary protective structural system. The system includes a plurality of frame members. The frame members define a pair of opposing studs and integrated top plate. The system also includes noggings connecting the studs. Ceiling joists are also included. The combination creates at least one free-standing tunnel module. Vertical wall panels are secured to the exteriors of the free-standing tunnel modules, thereby vertically enclosing the free-standing tunnel modules. Horizontal ceiling panels are secured to an exterior ceiling area of the tunnel modules. Horizontal floor panels provide a protective surface for the floor. When constructed, the combination of elements and tunnel modules create a protective barrier for sensitive surfaces in a construction zone.

The present invention discloses a support system for a roof slab bottom formwork containing beams, including a roof slab bottom formwork support part and a beam bottom support part. The roof slab bottom formwork support part is composed of a main beam, a secondary beam and an adjustable support column to form a beam support structure, and the beam bottom support part has a beam bottom formwork support beam; the beam bottom formwork support beam forms a hanger structure through two screw-type hangers distributed at both ends thereof, and the beam bottom support part is also supported by the adjustable support column. The beneficial effects of the present invention are that the workload of erecting the support system is significantly reduced, the erection cost is saved, and the erection efficiency is improved; and by taking advantage of being closer to the top surface of the roof slab bottom formwork support, the convenience of height adjustment operation of the beam bottom formwork support part and the construction efficiency are effectively improved, thereby achieving the purpose of reducing construction costs from two aspects.

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.

A modular decking system that includes prefabricated modular decking panels available in a variety of lengths utilized to build a separate deck to an individual's desired size and layout. The prefabricated modular decking panels are made of pressure-treated 2″×6″ lumber studs, deck-boards, joist hangers, and deck screws that are inserted into a frame made of previously installed posts and headboards. The modular decking system allows for quick installation and set-up. The modular decking panels are easily deconstructed and transported for use in multiple locations. In an alternate embodiment, an additional brace is used to support a 4″×4″ post to adapt the modular decking panels for use as a temporary on-location flatform. Multiple modular decking systems can be fastened together to customize an overall flatform needed at a specific location as well. The modular decking system includes a corresponding method for assembling.

A fastening assembly for decking having a plurality of joists with planks positioned on the joists includes a spacer for positioning on a joist between adjacent planks, the spacer having a predetermined overall thickness so that the spacer serves to maintain a desired spacing between the planks. The fastening assembly includes at least one gripping member, the gripping member including opposed arms and a web that interconnects the arms, with the spacer being receivable between the arms, the spacer and the arms being configured so that when the spacer is received between the arms, the arms are driven away from each other so that free ends of the arms bear against respective adjacent sides of said adjacent planks to secure the planks to the spacer.

A tool is specifically structured for securing a beam clamp to a bar joist for the purpose of securing a support rod to the bar joist for hanging pipe. The tool includes a top piece, a bottom piece and an extension member between the top and bottom pieces to adjust the overall length of the tool. A socket drive on the top of the tool allows for releasable attachment of a socket of the type used in a socket wrench assembly. The bottom of the tool includes a square opening for receiving a ratchet or impact gun for the purpose of rotating the tool and attached socket, thereby tightening the loosening the fastening hardware of the beam clamp.

A modular decking system comprising at least one extendable joist, at least two extendable beams each connected to the at least one extendable joist, and at least one extendable bearer supporting the at least one extendable joist and the at least two extendable beams. The at least one extendable bearer is connected to the at least one extendable joist. Each extendable joist, each extendable beam, and each extendable bearer are extendable and retractable relative to one another.

The utility model discloses a ceiling aluminum plate convenient to assemble, which comprises an aluminum plate body, ceiling keels are arranged on the two sides of the aluminum plate body, operation grooves are formed in the two sides of the interior of the aluminum plate body, adjusting bolts are installed in the operation grooves, bolt circular truncated cones are integrally and fixedly installed above the adjusting bolts, and the bolt circular truncated cones are fixedly installed above the bolt circular truncated cones. And a limiting movable cavity is formed above the operation groove, a limiting movable block is movably installed in the limiting movable cavity, a movable block boss is integrally and fixedly installed on the side, close to the bolt circular truncated cone, of the limiting movable block, and a buffering rubber pad is installed on the side, away from the movable block boss, of the limiting movable block. According to the convenient-to-assemble aluminum plate for the suspended ceiling, limiting movable blocks are pushed to move left and right in limiting movable cavities by screwing adjusting bolts, so that buffer rubber pads are tightly attached to or separated from suspended ceiling joists, and the aluminum plate body and the suspended ceiling joists are assembled and disassembled; therefore, the aluminum plate body and the ceiling joist can be assembled and disassembled simply and conveniently.

A deck frame includes at least one perimeter support member that has a joist support wall, and a web wall extending perpendicularly from the joist support wall. A plurality of first attachment tabs extend from the web wall and are disposed spaced apart along the length of the at least one perimeter support member. A plurality of second attachment tabs extend from the web wall and are disposed spaced apart along the length of the at least one perimeter support member. Each one of a plurality of joists has a first lateral wall and a second lateral wall disposed opposite the first lateral wall. One of the plurality of first attachment tabs is configured to be secured to the first lateral wall, and one of the plurality of second attachment tabs is configure to be secured to the second lateral wall of each one of the plurality of joists.

The utility model discloses a railway parking anti-slip device. The railway parking anti-slip device comprises a joist installed between two stock rails, one side of the joist is in sliding connection with a sliding frame A, the other side of the joist is in sliding connection with a sliding frame B, the end of one side of the sliding frame B is provided with a frame body, and the frame body is connected with the sliding frame A through two parallel screw rods. The ends, penetrating through the front side end plate of the sliding frame A, of the screws are provided with limiting blocking tables, the sides, penetrating through the front side end plate of the frame body, of the screws are provided with nuts, the portions, located between the front side end plate of the sliding frame A and the front side end plate of the frame body, of the screws are sleeved with spring assemblies, an oil cylinder is arranged in the frame body, and the oil cylinder is installed between the two screws through a flange of the oil cylinder. The telescopic end of the oil cylinder faces the front side end plate of the frame body, a cushion block is arranged between the flange and the front side end plate of the frame body, and the flange is tightly pressed on the end face of the cushion block through a nut. The parking device solves the problems that in the prior art, braking force is weak, and the braking effect of the parking device is affected.

The utility model relates to the technical field of bridge construction, discloses an auxiliary device for pushing, sliding and falling a steel box girder, and solves the problem that the pushing precision is influenced by impact force generated when the steel box girder is hoisted to pushing and sliding equipment. When the steel box girder is hoisted through the cushion block, the damping spring, the hydraulic cylinder and the hydraulic rod, the steel box girder is aligned to the upper portion of the cushion block and then gradually moves downwards, after the steel box girder makes contact with the cushion block, the damping spring absorbs most of energy firstly, and therefore impact force directly transmitted to the joist is reduced, and when the impact force exceeds the natural shock absorption capacity of the damping spring, the joist is lifted. The hydraulic cylinder and the hydraulic rod start to play a role, extra energy is absorbed by controlling the pressure of the hydraulic system, it is guaranteed that the steel box girder falls more softly, displacement caused by impact force is avoided, and precise abutting joint of pushing is achieved.

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.

The invention relates to a guy cable type bracket for 0 # block construction of a single-tower wide tower beam consolidation area. The guy cable type bracket comprises two trusses, a plurality of main bailey beams, a guy cable anchor box, a plurality of guy cables and a plurality of distribution beams. The two trusses are fixedly arranged on the two side walls of the bridge tower in the bridge direction respectively, the multiple main bailey beams are erected on the two trusses on the two sides of the bridge tower in the transverse bridge direction respectively, and the joists are welded between the bottom faces of the ends of the main bailey beams on the two sides of the bridge tower in the bridge direction respectively in the bridge direction. The inhaul cable anchor box is fixedly arranged at the top of the bridge tower; and an inhaul cable is connected between each of the two ends of each joist and the anchor box. The inhaul cable is arranged to buckle and hang the bracket cantilever, the bracket structure is good in balance and stability, the construction safety can be guaranteed, the cable force of the inhaul cable can be adjusted in real time according to the load change and deformation condition of the bracket in the construction process, and the linear precision of the 0 # block can be guaranteed.

The utility model belongs to the technical field of building decoration suspended ceilings, and particularly discloses an assembly type suspended ceiling installation structure which comprises suspended ceiling joists, clamping type light bars and suspended ceiling plates, the suspended ceiling joists connect the adjacent suspended ceiling plates through the clamping type light bars, grooves are formed in the side faces of the suspended ceiling plates, and the clamping type light bars are arranged in the grooves. Grooves are formed in the ceiling joist, protruding strips matched with the grooves are arranged on the two sides of the clamping type light bar, a cavity is formed in the bottom of the clamping type light bar, the top face of the cavity is connected with the ceiling joist through screws, and the cavity is used for installing an LED light bar. The ceiling plates and the ceiling joist are fixed through the clamping type lamp strips, the cavities of the clamping type lamp strips can be fixed through screws, the LED lamp strips can be hidden in the cavities, and therefore the LED lamp strips can be additionally installed at the splicing seam positions between the ceiling plates at will, and the requirement for the ceiling lighting lamplight function is met.

The utility model discloses a disc buckle type under-beam adjustable bracket supporting frame which comprises an adjustable base, a vertical rod, a transverse rod, a long jacking and a supporting beam. The number of the adjustable bases, the number of the vertical rods and the number of the long top supports are all multiple, the adjustable bases, the vertical rods and the long top supports are arranged in a one-to-one correspondence mode, one ends of the vertical rods are connected with the adjustable bases, the other ends of the vertical rods are connected with the long top supports, every two adjacent vertical rods are connected through a transverse rod, a joist is arranged between every two adjacent long top supports, and the joists are arranged at intervals. The two ends of the joist are connected with the vertical rods, and the position of the joist on the vertical rods can be adjusted. Compared with the prior art, the supporting frame has the advantages that a supporting component is not arranged below the supporting beam any more, the threaded rod body of the long jacking is of a rod structure, and compared with the prior art, the supporting frame is high in supporting strength, few in used materials of the whole supporting frame, easy to operate and capable of greatly reducing input labor force in the building process.

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.

A joist assembly system that is structured for dynamic retrieval of components, dynamic and precise positioning and location of retrieved components, assembly of the components to form a joist, and delivery of the assembled joist. The joist assembly system has a plurality of material handling systems, a plurality of welding systems, and a rigging table system. The material handling systems are structured to load and position the components such as chords and webs onto the rigging table. The rigging table in turn supports the chords or webs. Subsequently, the plurality of welding systems weld the webs to the chords to form the joist.

The utility model relates to the field of buildings, in particular to a support system in a foundation pit, which is characterized in that crown beams are arranged around the inner ring of the foundation pit, upright posts are arranged in the foundation pit along the vertical direction, two groups of crown beams which are oppositely arranged are fixedly connected through a support frame, and a joist is horizontally fixed on the upright posts and is fixedly connected with the support frame through a fastener. Therefore, the support frame is supported from bottom to top. According to the utility model, the supporting structure in the foundation pit can be quickly mounted, and the supporting structure can be recycled, so that the construction cost of a project is greatly reduced.

The invention discloses a prestressed composite beam structure and a mounting method, and relates to the technical field of bridge construction. The device comprises a bridge concrete abutment, a plurality of top beams are evenly and fixedly connected to the bottom of the bridge concrete abutment, supporting columns are symmetrically and fixedly connected to the bottoms of the top beams, triangular tables are fixedly connected to the opposite sides of every two adjacent supporting columns, and a prestressed concrete abutment is erected on the tops of the triangular tables. When the load received by the bridge concrete abutment is transmitted to the prestressed concrete abutment through the top beam and the diagonal bracing steel beam, part of the load borne by the prestressed concrete abutment is counteracted through tensioning of the prestressed tendons; and meanwhile, the stress rod is pushed to drive the supporting plate to convert partial load borne by the supporting beam into collision force between the supporting plate and the prestressed concrete base station, so that the load applied externally can be conveniently and effectively dispersed to the supporting columns, the prestressed tendons and the supporting plate for bearing, and the bearing stability of the device is effectively improved.

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.

Fastener-free deck clips, methods of use, and associated installation tools. The clips use a gripping element to secure the clip to a joist and do not require the use of a separate screw or other fastener, simplifying the installation process. The clip has a central body with lateral wings extending to an endpoint, where the gripping element is located. The gripping element may include puncturing elements to adhere better to the joist. Likewise, the main body may have tabs that can be depressed to further adhere to the joist. The clips may be installed by use of a handheld tool.

The invention provides an arch cover method tunnel arch foot joist critical width design checking calculation method and system. The method comprises the following steps that parameters of rock mass below an arch foot joist are obtained; obtaining arch cover method tunnel section design parameters; judging whether the tunnel is deeply buried or shallowly buried; calculating the vertical pressure load of the corresponding tunnel; the load acting on the single-side joist in the vertical direction is calculated; and the critical width of the joist under the plastic condition and the critical width of the joist under the brittle condition are obtained respectively, and the larger value of the two critical widths is selected as the value of the critical width b of the joist. According to the arch cover method tunnel arch foot joist critical width design checking calculation method and system provided by the invention, not only is the possibility of traditional plastic failure considered, but also the possibility of brittle failure is considered, so that the purpose of reducing the construction cost of an arch cover joist method large-span underground excavation station under the condition of ensuring the safety is achieved.

The utility model discloses an ozone generator cavity supporting frame which comprises stand columns, every two stand columns form a group and are symmetrically distributed on the two sides of a cavity, lifting screw rods are vertically and rotatably connected in the stand columns and connected with the lifting screw rods in the stand columns on the opposite sides through connecting shaft mechanisms, and distance adjusting assemblies are arranged between the stand columns in the same group. The lifting screws in one set of stand columns are connected through a wheel belt mechanism, the lifting screws are in threaded connection with sliding blocks, the sliding blocks are in sliding connection with vertical rails in the stand columns, a supporting beam is connected between the sliding blocks on the opposite sides, and the cavity is placed on the supporting beam. The supporting frame can be adjusted according to the specification and installation height of the generator cavity, a single person can adjust the heights of the sliding blocks in the four stand columns at the same time, the cavity is kept horizontal in the adjusting process, daily work such as disassembly, assembly, maintenance and adjustment of the cavity is facilitated, and the supporting frame has the advantages of being easy to operate and wide in applicability.