39results about How to "Does not affect pouring" patented technology

The invention relates to a connecting node of a beam and a column of building steel structures, in particular to a connecting node of a square steel pipe column and H-shaped steel beams for multi-layer and high-rise steel structures. The connecting node comprises a square steel pipe column, H-shaped steel beams and T-shaped steels; the T-shaped steels are arranged on the lateral wall of the square steel pipe column and the upper and lower wing edges of the H-shaped steels; webs of the T-shaped steels are connected with the wing edges of the H-shaped steel beams; and the wing edges of the T-shaped steels are fixedly connected with the lateral walls of the square steel pipe column. According to the connecting node of the square steel pipe column and the H-shaped steel beams, the connecting node is simple in structure, and the problem of construction difficulty in installing an internal separating plate is solved; a plastic hinge shifts outwards and better shock-absorbing property is achieved; the construction of an upper floor and the casting of concrete in the square steel pipe are not influenced; and the steel consumption is low. Therefore, the connecting node has high economic and social benefits.

The invention relates to a method and a device for keeping molten steel clean in casting of a continuous casting ladle. When the ladle is cast, a slide water port is opened; a drainage agent flows out from the slide water port, flows onto a casting cap by a long water port of a middle ladle, and flows into a recoverer for recovery along the upper surface of the casting cap; after the drainage agent flows, the molten steel flows down; one part of the molten steel mixed with the drainage agent flows into the drainage agent recoverer along the upper surface of the casting cap; then, the casting cap is corroded by the molten steel for leaking, and the molten steel flows down; after one pot of steel is cast, the long water port is pulled out from the molten steel to deviate from the surface of middle ladle slag; a slag separator is pressed into the molten steel of the middle ladle through middle ladle slag; the side wall of the slag separator is pressed into the molten steel to stop the middle ladle slag from entering the slag separator; and the recoverer is replaced for casting a next ladle. The method and the device have the following advantages: the whole structure is simple; the operation is convenient; the drainage agent and the middle ladle slag can be effectively prevented from mixing into the molten steel of the middle ladle in casting of the ladle; the inclusion in steel is reduced; the steel quality is stable; and the variety quality is stable.

The invention discloses a square steel tube column-H-shaped steel beam end-plate connecting node which comprises a square steel tube column, an H-shaped steel beam, a node end plate, a beam end plate and side steel plates; the beam end plate is in weld connection with the end part of the H-shaped steel beam, and a bolt hole is formed in the beam end plate; the two side steel plates are in weld connection with wall plates on the two sides of the square steel tube column; the node end plate is in weld connection with each of the two side steel plates, and a screw hole corresponding to the beam end plate is formed in the node end plate; the square steel tube column and the H-shaped steel beam are connected into a whole through friction type high-strength bolts by means of the node end plate and the beam end plate. The square steel tube column-H-shaped steel beam end-plate connecting node disclosed by the invention is simple in structure and solves the construction problem caused as a partition plate is welded in the square steel tube, and meanwhile, the pouring of concrete in the steel tube is not affected; an anti-seismic design principle of 'strong node and weak component' is easy to realize, and the anti-seismic property is better; the construction efficiency is higher, and the suitability for the construction of the square steel tube column-steel beam connecting node in a multi-rise or high-rise building steel structure is realized.

The invention discloses a concrete filled steel tube transfer joint structure and a construction method thereof. The concrete filled steel tube transfer joint structure comprises a strut, a batter post and a socket frame; the batter post is fixedly connected to the socket frame; the socket frame is fixedly arranged inside the strut and located at a top end of the strut; the socket frame comprises a vertical inner ribbed plate; the batter post is provided with a section including a cross section; a shape of the vertical rib ribbed plate corresponds to a shape of the cross section and a connecting ribbed plate extends out of the vertical inner ribbed plate; the connecting ribbed plate extending out is fixedly connected to an inner wall of the strut; the batter post is fixed on the vertical inner ribbed plate through the section. The concrete filled steel tube transfer joint structure is integrated with the advantages of a concrete-filled steel tube and a battery post transfer structure, and has the advantages of direct force transfer, high bearing capacity, small sectional dimension of the component, good utilization of building space, no need for support formwork, small field welding workload, guaranteed construction quality and the like. Two batter posts and a beam system form a triangular force transfer mode, and meanwhile, excellent side force resisting capability is realized.

The invention belongs to the field of articles of daily use, and particularly relates to a cup with screen net arranged internally. The cup comprises a cup cover, a cup body, a liner, a filtering module, a heating module, a seal ring, a partition plate and a switch button, wherein the cup cover is screwed on the cup body through threads, the upper end of the cup body is opened, a charging interface is formed in the bottom of the cup body, and the switch button is arranged on the outer wall of the cup body and used for controlling work of the filtering module; the liner is a cylinder and is ininterference fit with the cup body; the filtering module is arranged in a cavity between the liner and the cup body and used for changing the mesh density of a filtering net above the liner and reducing retardation to water by the filtering net; the heating module is used for heating water in the cup, the seal ring is used for preventing fluid from flowing into the cavity, and the partition plateis located in the cavity and used for dividing the cavity into two parts. Water flow is capable of passing the filtering net fast without being blocked in the process of adding water into the cup, andtherefore the water adding process is fast and safe.

The invention relates to a tunnel second-lining concrete chute pouring system. The tunnel second-lining concrete chute pouring system comprises a tunnel second-lining concrete chute system, a rapid closing structure of a lining formwork pouring window and a tunnel second-lining concrete multi-layer synchronous vibrating device. The tunnel second-lining concrete chute system comprises a main hopper, auxiliary hoppers, an inserting plate, a steel formwork, a fixed sling groove, a movable sliding groove, pouring windows, top supports, lifting supporting rods, a track and a tunnel pavement; the rapid closing structure of the lining formwork pouring window comprises the steel formwork, the pouring windows, hinged lug plates, closing plates, hinged bolt holes, fixed bolt holes and rubber sealingrings; and the tunnel second-lining concrete multi-layer synchronous vibrating device comprises the steel formwork, the pouring windows, bottom beams, trolley portals, a power distribution boxes, networking electric wires, attached flat vibrators, and extension platforms. The tunnel second-lining concrete chute pouring system has the beneficial effects that telescopic flow-dividing tumbling barrels and the lifting supporting rods are adopted, the heights of the sliding grooves can be flexibly adjusted to be suitable for pouring windows with different heights.

The invention discloses a non-dismounting nonmetal bottom plate solid mold composite slab, a corresponding floor structure and a floor construction method. The solid mold composite slab comprises a bottom plate, one reinforcing mesh and multiple steel bar trusses, wherein the reinforcing mesh and the multiple steel bar trusses are located above the bottom plate; the bottom plate is made of nonmetal materials, gaps are reserved between bottom plates of the steel bar trusses and the upper surface of the bottom plate, the floor takes the non-dismounting nonmetal bottom plate solid mold compositeslab as a permanent mold plate of a bottom mold, and a cast-in-place concrete layer is arranged on the permanent mold plate. According to the construction method, the non-dismounting nonmetal bottom plate solid mold composite slab serves as the permanent mold plate, a supporting system is arranged, the non-dismounting nonmetal bottom plate solid mold composite slab is mounted in place to form thefloor bottom mold, the cast-in-place concrete layer is poured on the bottom mold, and after solidification, the non-dismounting nonmetal bottom plate solid mold composite slab is not dismounted. The non-dismounting nonmetal bottom plate solid mold composite slab is simple in preparing process, short in production period, low in cost, and convenient to operate on the site construction, the formed floor meets the habitual texture of the person, and decoration is convenient.

The invention discloses a joint of a concrete filled steel tubular column. The joint comprises an upper steel pipe column and a lower steel pipe column which are vertically arranged, a U-shaped steel beam is horizontally arranged on the side wall of the lower steel pipe column, an open groove is formed in the side wall of the lower steel pipe column and corresponds to the steel beam, the open groove extends downwards from the upper end of the lower steel pipe column, the two sides of the open groove respectively form a connecting end, one end of the steel beam penetrates through the open groove, extends into the lower steel pipe column and is fixedly connected with the lower steel pipe column; a connecting plate is vertically arranged in the steel beam, and the connecting plate is fixedly connected with the steel beam; and the lower end of the upper steel pipe column is fixedly connected with the upper end of the upper steel pipe column. According to the joint, the joint of the steel pipe column and the steel beam is reinforced from the inside through the connecting plate, so that the appearance of the junction of the steel pipe column and the steel beam is smooth; and a standardized component inner sleeving process is adopted, adopted components, the steel pipe column and the steel beam can be installed in a factory, the production process and the installation process are convenient and fast, and a new thought is provided for the development direction of prefabricated buildings.

The invention relates to a utility tunnel prefabricated panel self-bearing support structure. The structure comprises at least two prefabricated panels which are oppositely arranged in parallel in a vertical mode; at least one horizontal support rod and at least one oblique support rod are arranged between the two prefabricated panels; sleeves are correspondingly pre-embedded into the two prefabricated panels respectively, and the two ends of each support rod are detachably connected with the corresponding sleeves pre-embedded into the two prefabricated panels through support rod connecting bases respectively to form one horizontal support rod or oblique support rod; the length of the support rods can be adjusted. According to the structure, the prefabricated panels are detachably connected through the support rods and the support rod connecting bases, the overall strength of the structure is high, the risk that a single panel collapses and potential safety hazards are excluded, pouring of a base plate is not influenced, and the support rods and the support rod connecting bases can be reused.

The invention discloses an unsupported disassembly-free concrete hole forming method. The method comprises the following steps: carrying out on-site lofting on the size of a concrete hole according toa design drawing and a concrete pouring construction condition; simply reinforcing a thermal insulation material according to the field setting-out size in combination with the thickness of the thermal insulation material under the condition of not occupying the boundary line of the hole size structure; setting out the size of a water outlet bag according to the actual size of the concrete hole,and laying the water outlet bag into the hole thermal insulation material; arranging a plurality of refrigeration instruments in the water bag in the hole thermal preservation material, introducing water into the water bag to a certain volume, starting refrigeration equipment, and refrigerating water in the water bag to be in an icing state through the refrigeration instruments in the water bag; according to the concrete construction progress outside the hole, slowly filling the remaining volume of the water bag with water, and gradually filling full the water bag to ensure that the icing bodydoes not occupy the boundary line of the hole size structure; and after the concrete around the holes reaches the mold stripping age, shutting down the freezing equipment, the ice gradually melting into water, and taking out the thermal preservation material.

The invention relates to the field of bridges, and in particular relates to a simply supported and continuous corrugated web steel box-concrete composite beam. The simply supported and continuous corrugated web steel box-concrete composite beam comprises a plurality of prefabricated corrugated web steel box-concrete composite beams, the prefabricated corrugated web steel box-concrete composite beams are connected through steel box type cross beams and K-shaped steel cross beams in the transverse bridge direction, composite beam reinforced concrete top plates are connected through cast-in-place reinforced concrete plates, cast-in-place reinforced concrete side wing plates are poured on the outer sides of the composite beam reinforced concrete top plates, the continuous ends of the multiple prefabricated corrugated web steel box-concrete composite beams in the longitudinal bridge direction are connected through cast-in-place concrete connecting sections, the cast-in-place concrete connecting sections are connected with open corrugated web steel boxes through studs, supports are arranged below the cast-in-place concrete connecting sections, and the simply supported and continuous corrugated web steel box-concrete composite beam is formed. The advantages of corrugated steel webs and the excellent stress characteristic of continuous beams are fully utilized, the self weight is light, machining and manufacturing are easy, the construction quality is guaranteed, the bridge construction speed is high, and very wide practicability is achieved.

The invention relates to a hook bridge crane with double motors, wherein said crane is characterized in that: its operator is formed by two motors and dual-output-axle speed reducer; two motors are connected to left and right input axles of speed reducer; the power wires of two motors are connected to one switch; and it commonly uses one motor; when there is accidence, it switches to another motor, with short stop time without affecting the irrigation of steel liquid.

The invention discloses a water stacking structure of a movable gate. The movable gate comprises a gate leaf, and the water stacking structure is arranged on the gate leaf of the movable gate. The water stacking structure further comprises a water stacking plate and a driving mechanism, the driving mechanism drives the water stacking plate to enter a water stacking plate opening position or a water stacking plate closing position, and the driving mechanism comprises a driving device, a first connecting rod and a second connecting rod. The water stacking plate comprises a first water stacking plate connecting point and a second water stacking plate connecting point. One end of the driving device is connected with the gate leaf, and the other end of the driving device, one end of the first connecting rod and one end of the second connecting rod are connected to the same rotating point. The other end of the second connecting rod is connected with the gate leaf, the first water stacking plate connecting point is connected with the door leaf, the second water stacking plate connecting point is connected with the first connecting rod, and a locking device is further included and used forlocking the water stacking plate. According to the water stacking structure, the movable gate is improved, a water stacking landscape is added, and the water stacking plate can be driven by the driving mechanism to contract; and the locking device can be additionally arranged to lock the position of the water stacking plate, and normal flood discharge and water retaining of the gate are not influenced.

The invention relates to a fermenting grains turning-over device used for vinegar production. The fermenting grains turning-over devices are arranged above a fermenting vat, each fermenting grains turning-over device comprises a support plate, plug boards are respectively arranged at the left and right sides of the support plate, a plurality of rotating shafts are inserted to and arranged on eachplug board, one end of each rotating shaft is further spirally connected with a rotating block, a plurality of rotating pieces are arranged on each rotating shaft, a rotating disk driven to rotate bya motor is arranged below the support plate, a plurality of stirring rods are arranged below the rotating disk, and a plurality of material driving blocks are arranged on each stirring rod. The devicedisclosed by the invention is simple in structure, reasonable and novel in design, convenient in operation, capable of effectively completing stirring to vinegar fermenting grains, and suitable for being put into production in middle and small-sized enterprises, and thus increasing the working efficiency.