36results about How to "Realize pouring" patented technology

The invention relates to a main girder slide die carrier system and a construction method of cable-stayed bridges, with steps as follows: when the construction 0^# segment is finished, a bailey truss sliding die carrier is extended, which is divided into three groups that respectively move forward to next row of supporting piers; a construction segment bottom die is dragged to place; a fore-fulcrum elevation of the die carrier is adjusted; suspenders are stretched ahead; segmental steel bars and prestressing tendons are bound; segmental concrete is poured; segmental pre-stressing tendons are stretched; the die carrier is down adjusted; the bottom die is moved forward to next segmental place; and the steps are repeated. The invention has the advantages that by using the stress system of front supporting and back cable staying, one part of load has transferred to a cast girder segment, and the other part is borne by temporary piers, stressing is definite, calculation is easy, working condition is unified, and main girder linear adjustment control is convenient. The invention is applicable not only to concrete connecting girders and T-frames, but also to cable-stayed bridges with various cross-sectional shapes, achieves single cable plane, small transverse stiffness, wide flange plate cross section main girder, and whole section global casting, saves labor and materials, enjoys a short construction period and standardized construction, and is stable, safe and reliable.

The invention discloses an external sleeve for an automatic steel ladle flow guiding device. The external sleeve is provided with a thin-wall steel cylinder for containing stuffing sand; the upper endof the thin-wall steel cylinder is closed, and the lower end of the thin-wall steel cylinder is of an open structure; the lower end of the thin-wall steel cylinder is sealed through low-temperature molten plastic; two long-strip-shaped holes are formed side by side in a side wall of the thin-wall steel cylinder in the length direction of the side wall, wherein the side wall extends out of the bottom of a steel ladle; an included angle between the two long-strip-shaped holes is 85-95 degrees; and the two long-strip-shaped holes are sealed by the low-temperature molten plastic. Compared with the prior art, the external sleeve enables the stuffing sand fills the space between a flow guiding rod and a nozzle brick cup, and has the advantages of high pouring rate, easiness in operation, labor-saving and material-saving performance.

The invention relates to a prefabricated concrete structure interlayer seismic isolation method. The method comprises the following steps: step 1, forming an upper connecting hole in an upper concretecolumn, and forming a lower connecting hole in a lower concrete column to prepare a rubber seismic isolation column; step 2, inserting the lower end of the rubber seismic isolation column into the lower connecting hole; step 3, fixing the upper concrete column above the lower concrete column in a liftable manner; step 4, inserting the upper end of the rubber seismic isolation column into the upper connecting hole; step 5, overlapping lower fixing claws on a lower hole portion inner flange and overlapping upper fixing claws on an upper hole portion inner flange; step 6, pouring concrete in theupper connecting hole and pouring concrete in the lower connecting hole; and step 7, dismantling a support structure after the concrete in the upper connecting hole and the concrete in the lower connecting hole are solidified. By adopting the prefabricated concrete structure interlayer seismic isolation method provided by the invention, the problem of a poor seismic isolation effect between layers of the existing prefabricated concrete structure is solved.

The invention discloses an action regulation fabricated formwork for U-box combined continuous beam section cast-in-place. The action regulation fabricated formwork comprises an inner mold, a bottom mold and side dies which are oppositely arranged on the two sides of the continuous beam pouring direction and are detachably connected with the inner mold and the bottom mold correspondingly, whereinthe inner mold comprises a top cross beam, an inner mold hydraulic cylinder and a plurality of groups of oppositely-arranged mold sections, the mold sections and the inner mold hydraulic cylinder arehinged to the bottom of the top cross beam, the output end of the inner mold hydraulic cylinder is hinged to the inner walls of the mold sections, a plurality of linear guide rods for supporting the mold sections are hinged in each group of oppositely-arranged mold sections, the side molds comprise upper side molds and lower side molds, the upper side molds are connected with the lower side moldsin an adjustable mode, the top cross beam is fixedly supported at the tops of the upper side molds, a rail car for adjusting the positioning heights and the horizontal torsion angles of the lower sidemolds is hydraulically supported at the bottoms of the lower side molds, and the two sides of the bottom mold are both fixedly connected with the lower side molds and cooperate with the lower side molds to adjust the supported the horizontal positions and the horizontal twisting angles. The action regulation fabricated formwork is suitable for casting the U-box combined continuous beam with variable section width segments.

The invention discloses a mobile bin reversing waste compressor used for receiving waste poured from a waste bin and a waste collection vehicle. The mobile bin reversing waste compressor comprises a machine body and a bin reversing mechanism, wherein a feeding hole and a waste receiving plate are arranged at the front end of the machine body; and the bin reversing mechanism comprises a fixed frameand a turnover mechanism. According to the mobile bin reversing waste compressor provided by the invention, the feeding hole is formed in the front end, so that the lowest height of the feeding holeis reduced, and meanwhile, due to the arrangement of the waste receiving plate, the waste collection vehicle can be directly close to the waste receiving plate without being interfered with other components of the waste compressor, so that the mobile bin reversing waste compressor is able to receive the waste poured from the waste collection vehicle, also able to automatically empty the waste bin,and thus is convenient to use, efficient, economical and practical.

The invention provides a lime distributing device for concrete pouring. The lime distributing device comprises a straight cylinder. The circular outer end of the lower side of the straight cylinder isrotationally connected with an auxiliary ring. The middle of the circular outer end of the auxiliary ring is fixedly connected with a ring gear. The lower end of the auxiliary ring is fixedly connected with a fixed disc through bolts. At least four lime slipping pipes are disposed on the edge of the lower end of the fixed disc at equal intervals. A driving motor is fixedly connected with the right end of the straight cylinder. An output shaft of the driving motor is fixedly connected with a transmission gear which meshes the right end of the ring gear. The middle of the upper end of the fixeddisc is fixedly connected with a big-end-down conical cover. At least four lime slipping pipes are disposed at the circular outer end of the position, connected with the fixed disc, of the conical cover. Compared with the prior art, the lime distributing device has the beneficial effects that by means of the driving motor, the transmission gear and the ring gear, the at least four lime slipping pipes can rotate, so that uniform pouring is realized, labor intensity is lowered and the pouring effect is improved.

The invention relates to a screening device, in particular to an ore particle screening device. According to the technical aims, the ore particle screening device is provided, wherein when ore particles are screened, meshes can be cleaned, the meshes can be continuously cleaned, the meshes do not need to be cleaned manually, the health of an operator is protected to a certain degree, the ore particles can be constantly stirred uniformly and vibrated during screening, and therefore the screening efficiency can be improved. According to the technical scheme, the ore particle screening device comprises a base, a supporting rod, a discharging hopper, an arc-shaped rod and the like; and the supporting rod is installed in the middle of the top of the base, and the discharging hopper is installedat the top end of the supporting rod in a hinged connection manner. Separation of a clamping rod and grooves in the arc-shaped rod is controlled through a pedal, the angle of a fixed round frame canbe adjusted, and therefore feeding and pouring can be achieved, and a movable round frame can be driven by a driving motor to screen ore particles.

The invention relates to the technical field of concrete transportation, and particularly relates to a horizontal concrete transportation device for roof construction. The horizontal concrete transportation device comprises a moving frame, rollers, supporting columns, a transportation frame, a stirring mechanism and a guide frame. In the stirring mechanism, concrete is stirred through stirring blades in the rotating process of a stirring shaft, and the situation that stones and slurry are distributed unevenly due to sinking of the stones in the concrete in the transportation process, and the subsequent use effect of the concrete is affected is avoided; and in the guide frame, a first supporting frame rotates and is matched with a second supporting frame to drive a material guide frame to rotate, then the material guide frame can be driven to rotate to different positions of a roof, thus pouring of the concrete at the corners of the roof can be achieved, and the pouring efficiency of the concrete is improved.

The invention provides a variable section hydraulic self-propelled trolley and an operation method thereof. Multiple groups of rail wheels are arranged at the top of a trolley rail in a rolling and supporting way; the rail wheels are fixedly arranged on a wheel supporting frame; a trolley frame is arranged on the wheel supporting frame through a lifting mechanism; a trolley power device for movingthe trolley is arranged at the bottom of the trolley frame; a plurality of telescopic sleeves are fixedly arranged at the top of the trolley frame in a crossing way; telescopic rods are arranged in the telescopic sleeves in a sliding fit way; a telescopic hydraulic cylinder is arranged between the telescopic sleeves and the telescopic rods; a template for pouring is fixedly arranged on the outerend face of the telescopic hydraulic cylinder; and a demolding hydraulic cylinder for demolding is arranged between the template and the trolley frame. The trolley can realize construction of variouslining bodies of cavity concrete, can effectively guarantee the cavity lining construction period and can reduce a large amount of equipment input and labor cost.

The invention discloses a raw material carrying mechanism for tissue production, relates to the field of tissue production, and provides the following scheme for solving the problem that a traditionalraw material carrying mechanism for tissue production cannot realize automatic carrying and unloading. The raw material carrying mechanism comprises a moving body, an inner cavity is formed in the moving body, and a hinge block is slidably connected to the interior of the inner cavity; and a push rod is hinged to the top of the hinge block, a connecting rod is fixedly connected to the bottom of the hinge block, a push plate is connected to the right side of the connecting rod, a carrying frame is fixedly connected to the right side of the moving body, a hydraulic cylinder is fixedly connectedto the top of the carrying frame, and a connecting plate is fixedly connected to an output shaft of the hydraulic cylinder. Automatic material carrying and conveying can be achieved by controlling the hydraulic cylinder and a motor, automatic material pouring can be achieved, and a large amount of manpower is saved.

The invention discloses a novel tea barrel and a bottom-drawing discharging device with the same. The novel tea barrel comprises a tea barrel body and a barrel bottom mechanism, the tea barrel body comprises a barrel body, a flange plate and a gasket, the flange plate is fixedly connected to the bottom side wall of the barrel body in a sleeving mode, and the gasket is arranged below the flange plate and connected to the circumferential side wall of the barrel body in a sleeving mode. The barrel bottom mechanism comprises a barrel bottom upper layer, a barrel bottom middle layer, a barrel bottom lower layer and a guide assembly, the barrel bottom upper layer and the barrel bottom lower layer are connected through bolts, a gap is formed between the barrel bottom upper layer and the barrel bottom lower layer, the barrel bottom middle layer is slidably connected in the gap, and the guide assembly is located between the barrel bottom upper layer and the barrel bottom lower layer. The barrel bottom mechanism comprises a barrel bottom upper layer, a barrel bottom middle layer, a barrel bottom lower layer and a guide assembly, the barrel bottom upper layer and the barrel bottom lower layer are connected through bolts, a gap is formed between the barrel bottom upper layer and the barrel bottom lower layer, the barrel bottom middle layer is slidably connected in the gap, and the guide assembly is located between the barrel bottom upper layer and the barrel bottom lower layer. The novel tea barrel is simple in structure, reasonable in design, convenient to operate, good in structural stability, high in compactness and capable of effectively achieving mechanical assembly line production operation of compressed tea and has good market application prospects.

The invention discloses a vacuum tank cover, a vacuum pouring system with the vacuum tank cover and a pouring method, and relates to the technical field of pouring. According to the vacuum tank, the sealing cover plate is arranged on the sprue gate, so that the sealing performance of the vacuum tank is improved, the pre-vacuumizing time before pouring can be greatly shortened, and the vacuum degree in the vacuum tank can be kept after pre-vacuumizing. During use, after a sealing ring is arranged in a refining package, the pressure above and below the sealing cover plate is balanced through the balance pipe, and then the sealing cover plate is dragged away from the sprue gate through the air cylinder, so that pouring is realized, and the sliding plate argon blowing time before pouring is shortened.

The invention provides a roughening device with a spraying unit. The roughening device comprises a connecting frame, and a spraying unit and a roughening unit which are arranged on the connecting frame. According to the roughening device, after the spraying unit communicates with a concrete pouring device, concrete pouring construction can be achieved, and meanwhile, the roughening unit can immediately conduct roughening treatment after concrete initial spraying pouring of the spraying unit, so that shoveling of over-sprayed concrete is achieved, the problem that the concrete is difficult to shovel after hardening due to untimely roughening is avoided, and the construction is convenient; and in addition, the roughening unit is fixedly connected with the spraying unit, and the roughening unit can conduct construction along with the spraying unit, so that the problems that at prior art, manual shoveling and a handheld roughening machine are difficult to cover the whole construction surface and large in labor consumption and roughening construction of an machine-mounted roughening machine is inconvenient to conduct and insufficient in construction space are effectively solved, the labor intensity of workers is greatly reduced, the construction efficiency is improved, and the construction is safe and reliable.

The invention provides an external template applicable to steel-concrete composite steel corrugated plate arch bridge and culvert and belongs to the technical field of steel corrugated plate structures. The external template applicable to steel-concrete composite steel corrugated plate arch bridge and culvert is used for concrete pouring of the steel corrugated plate and concrete composite steel corrugated plate arch bridge and culvert. According to the technical scheme, the external template applicable to the steel-concrete composite steel corrugated plate arch bridge and culvert comprises multiple template segments connected with each other; and each template segment correspondingly comprises a top plate, side plates and a fixed edge, wherein the top plate and the side plates are correspondingly oblong small-sized steel corrugated plate pieces; the fixed edge is a long strip-shaped plane steel plate; the two side plates are vertically connected to the two sides of the top plate; thelength directions of a wave peak and a wave valley of the top plate are perpendicular to the length direction of the top plate; wave peaks and wave valleys of the side plates are correspondingly connected with the wave peak and the wave valley of the top plate; the external sides of the bottom edges of the two side plates are vertically connected with the fixed edge; and screw holes are uniformlyformed in the fixed edge. According to the external template applicable to steel-concrete composite steel corrugated plate arch bridge and culvert, the structure is simple and scientific, the externaltemplate can be synchronous with the arched shape of the steel corrugated plate of a main body structure, a joint is tight and does not leak slurry, enough strength, rigidity and stability are realized, and the construction progress can be accelerated.

The invention discloses an analog simulation experiment system for realizing a composite stratum circular tunnel considering a plane strain state and a use method, and the system comprises four sets of mutually independent loading systems, four sets of detachable baffles, two cover plates, a support frame, a support hinge and a first hydraulic jack. A cuboid with a cavity inside is defined by the four sets of detachable baffles and the two cover plates. The detachable baffles at the bottom are located on the support frame, and the four independent loading systems are located in the outer sides of the four detachable baffles respectively and can apply pressure to the detachable baffles. One end of the bottom detachable baffle is connected with one end of the corresponding loading system through the support hinge, and the other end of the bottom detachable baffle is connected with the other end of the corresponding loading system through the first hydraulic jack. Model manufacturing and a loading device are combined, pouring of rock stratums with different inclination angles and different thicknesses can be achieved, and meanwhile the purpose of controlling the strength between the rock stratums is achieved by adjusting the solidification time of the rock stratums.

The invention provides a cold flow rubber forming mold. The cold flow rubber forming mold comprises a mold upper plate, a mold lower plate, a cooling plate, a heat insulation plate and a heating plate. The cooling plate, the heat insulation plate and the heating plate are successively assembled on an upper end surface of the mold upper plate from top to bottom. The cooling plate, the heat insulation plate and the heating plate are provided with aligned through holes at an injection port of the mold upper plate, and flow guide casing pipes are arranged in the through holes, which means that output ports of the flow guide casing pipes are connected with the injection port of the mold upper plate. An inverted-cone-shaped traction block is arranged at a connecting position of the injection port of the mold upper plate and the output ports of the flow guide casing pipes. By adopting the technical scheme, vulcanization is not performed in a flow channel in a rubber vulcanization process andrepeated recycling is achieved; and waste materials at a sprue position are reduced after mold opening, treatment is simple and convenient, the purposes of saving materials and labor hours are achieved, efficiency is improved, and cost is saved.

The invention discloses a use method of a protection layer thickness control tool easy to operate. The use method comprises a first positioning steel bar and second positioning steel bars, a butt joint groove is formed in the inner surface of the top end of the first positioning steel bar; and the second positioning steel bars are connected to the interiors of the first positioning steel bars. According to the protection layer thickness control tool easy to operate, the top of the second positioning steel bar is inserted into the butt joint groove formed in the first positioning steel bar, then the joint of the first positioning steel bar and the second positioning steel bar is welded, finally a first clamping hoop and a second clamping hoop are clamped into a first limiting groove and a second limiting groove correspondingly, the two end feet of the first clamping hoop and the two end feet of the second clamping hoop are clamped into a first clamping groove and a second clamping groove respectively, finally, the joints between the clamping hoops and the steel bars are welded, the tool is assembled, the tool is knocked into a soil surface layer till the second clamping hoop, then concrete is sprayed to the first clamping hoop and a U-shaped top of the first positioning steel bar in a layered mode, and the purpose of controlling the concrete spraying thickness is achieved.

The invention relates to a pouring forming system for manufacturing a prestressed concrete pipe pile, in particular to the technical field of concrete pipe pile grounding tip pouring forming. The pouring forming system comprises an injection molding mechanism for pouring forming, an extension mechanism for changing the size of a tip, and a capping mechanism for sealing the injection molding mechanism and the extension mechanism, wherein the injection molding mechanism comprises a conical mold, a mold groove and a clamping column, the extending mechanism comprises a first annular circular truncated cone, a second annular circular truncated cone, an extending groove, a clamping groove, an extending column and a clamping assembly, and the capping mechanism comprises a mounting cover, an annular block, a sliding groove, a clamping assembly, a mounting groove, a feeding port and a sealing assembly. The pouring forming system has the effects that the size is convenient to adjust and the adjusting time is saved.