74results about How to "Improve pouring efficiency" patented technology

The invention relates to the technical field of high-pile wharf construction, in particular to a construction method of a high-pile wharf superstructure, which comprises the following steps of: mounting a concrete shell prefabricated part on a pile foundation and pouring concrete in a pouring space on a cast-in-place structure of a high-pile wharf by taking the concrete shell prefabricated part as a template; the concrete shell prefabricated part and cast-in-place concrete form a whole, formwork mounting and dismounting are avoided, the construction efficiency and construction quality of the high-pile wharf are remarkably improved, and the safety risk is reduced; the concrete shell prefabricated member has the characteristics of standardization, industrialization and structural unitization; for a large prefabricated structure, a pouring bottom die of the upper structure of the high-pile wharf can be formed by assembling a plurality of concrete shell prefabricated parts on a pile foundation through block design, so that the requirement of a project for construction equipment is lowered, the site construction difficulty is lowered, the construction period of the project is shortened, and the construction cost is saved.

The utility model relates to the technical field of aluminum alloy part casting, and discloses an automatic molten aluminum slag salvaging device which comprises a filtering disc arranged corresponding to the caliber of a casting ladle, the filtering disc is conical, filtering holes are formed in the filtering disc, and the filtering disc is connected to a frame body in a lifting mode through a lifting mechanism. The filtering disc is arranged corresponding to the caliber of the casting ladle to carry out slag removal operation on molten aluminum in the casting ladle, the covering area of the filtering disc is enlarged, the impurity removal effect is improved, the trouble that a wire strainer is used for manually salvaging slag for multiple times traditionally is avoided, the filtering disc is driven by the lifting mechanism to complete the automatic lifting slag salvaging action, and the slag removal efficiency is improved. And the labor intensity of manual slag salvaging of operators is reduced. Operators can operate away from the slag salvaging site, and the problem that occupational health is harmed due to the fact that the operators are exposed in the dust environment for a long time is solved. And the cross beam is rotatably connected with the stand column, and a small knocking hammer is arranged, so that aluminum slag impurities can be conveniently and rapidly poured, and the molten aluminum slag salvaging efficiency is further improved.

The utility model provides a tool for casting a high-grade iron casting by adopting resin sand and iron mold coated sand, which relates to the technical field of casting molds and comprises an upper sand box, a grid is fixedly connected to the top end of the upper sand box, a lower sand box is arranged below the upper sand box, heat dissipation holes are formed in the surface of the lower sand box, and the heat dissipation holes are communicated with the grid. Connecting lug plates are fixedly connected to the two sides of the upper sand box, through the arrangement of heat dissipation holes in the lower sand box, the heat dissipation effect of a casting in a resin sand mold is improved, cooling and curing of an iron solution can be accelerated, refining of an internal structure (forming of a globular body structure) in the cooling and curing process can be accelerated, and therefore the casting with the strength of HT300 or higher is obtained, and through the arrangement of the lower sand box, the heat dissipation effect of the casting in the resin sand mold is improved. The bottom plate with the thickness of 30mm can improve the rigidity and the strength of the lower mold, reduce deformation and ensure the dimensional accuracy and the shape stability of the casting, the thicker lower mold can better absorb and conduct heat, the cooling speed of the casting is favorably controlled, a casting system realizes a dead head-free design, the process yield is improved to 90%, and the cost is further reduced.

The utility model relates to the technical field of concrete pipelines, in particular to a building concrete pipeline pouring machine which comprises a stabilizing frame component set arranged outside a pouring pipe body, the stabilizing frame component set is used for supporting the pouring pipe body, and the stabilizing frame component set comprises an inner clamping assembly and an outer supporting assembly. The inner clamping assembly comprises a first tension band. Compared with a manual handheld mode in the prior art, auxiliary supporting is carried out on the pouring pipe body directly through the mechanical structure of the stabilizing frame component set and the angle adjusting component set, a plurality of building workers do not need to operate and hold the pouring pipe body together, then the overall pouring efficiency is improved, and the labor cost is reduced.

The invention relates to a busbar arrangement structure of a motor flat wire winding and an integral forming method of the busbar arrangement structure in the field of motor winding parts. Flat cables of a busbar are fixed according to an installation sequence through an encapsulation inner mold with a flat wire groove and a copper wire bracket; the pouring cavity for wrapping the busbar is formed through the matching of the pouring outer mold and the pouring inner mold, and the busbar and the copper wire bracket are subjected to pouring sealant integrated pouring, so that a flat cable of the busbar is sealed in a pouring sealant colloid after pouring, the protection property of the busbar is enhanced, the overall welding and fixing of a welding machine are facilitated, and the production efficiency is improved. In addition, through a lower inner pouring gate and an upper inner pouring gate which are formed in the core shaft and a lower outer pouring gate and an upper outer pouring gate which are formed in the pouring inner mold, communication between the pouring cavity and the center pouring gate is achieved, one-time pouring of pouring sealant is achieved, and the sealing quality is improved. And the forming uniformity and the pouring efficiency are improved.

The invention provides a top plate hydraulic formwork, and relates to the field of highway pipe gallery engineering, the top plate hydraulic formwork comprises a frame, a cross beam is fixedly connected to the inner side of the frame, a servo motor is fixedly connected in the cross beam, a linkage gear A is coaxially connected to the top of a rotating shaft of the servo motor, a hydraulic cylinder A is fixedly connected to the top of the frame, and limiting rods are slidably connected to the left and right sides of the top of the frame; a top supporting plate is fixedly connected to the top of the telescopic portion of the hydraulic cylinder A, the bottom of the top supporting plate is fixedly connected with the top of the limiting rod, side supporting plates are arranged on the left side and the right side of the frame, the side vertical faces of the side supporting plates are fixedly connected with the limiting rod, and a motor is fixedly connected to the bottom of the top supporting plate. And the top of the concrete top plate can be extruded, the top face of the concrete top plate can be flattened and shaped, the concrete top plate can be conveniently flattened and shaped, and the problem that an existing formwork cannot conveniently conduct automatic and convenient flattening and shaping on the concrete top plate is solved.

This utility model discloses an intelligent, efficient, and controllable ferrophosphorus casting device, comprising a housing with multiple independently configured processing cavities on its inner side, including a main cavity and secondary cavities; a discharge pipe, a unloading pipe; and a sealing assembly including a support frame, a pressing cover, an adjusting rod, a support block, and a pneumatically controlled pressurizing port. The housing is configured with multiple independent processing cavities, each with a corresponding discharge pipe and unloading pipe, ensuring that each cavity can operate independently. This novel controllable ferrophosphorus casting device can also adjust the amount of compressed air supplied through the pneumatically controlled pressurizing port on the pressing cover to control the ferrophosphorus liquid level within the housing, thereby achieving automatic ferrophosphorus casting for aluminum electrolysis anode steel claws. This enhances the intelligence of workshop equipment while reducing labor costs and manual operation, significantly improving the efficiency of ferrophosphorus casting, saving energy and reducing consumption while improving the safety of process operations.

The utility model relates to the technical field of aluminum electrolysis production, in particular to an anti-seepage material pouring device for assembling a cathode carbon block of an aluminum electrolysis cell, and aims to solve the problem that in the assembling process of the cathode carbon block of the aluminum electrolysis cell, the assembling of the cathode carbon block is carried out in a traditional manual hoisting and charging barrel pouring anti-seepage material mode; and therefore, the problems that the work intensity of operators is high, the pouring amount is difficult to control, the waste of anti-seepage materials is serious, and the assembly of cathode carbon blocks and the overall production efficiency of the aluminum electrolysis cell are influenced are solved. The device is mainly composed of a trolley bottom plate, a hopper, a material blocking plate, a material leaking plate, a rotating handle and the like, the hopper is installed at a movable trolley bottom plate installation hole, a first handle is used for driving a first material blocking plate to be matched with rotation of a material leaking hole to be correspondingly opened and closed, and therefore anti-seepage materials in the hopper can be controllably and rapidly leaked, and pouring is conducted. The pouring flow of a unit hopper is effectively controlled, waste caused by manual pouring is avoided, and then the overall pouring efficiency of the anti-seepage material is improved.

The invention discloses an intelligent tunnel secondary lining casting trolley, which belongs to the field of casting technology and aims at the problem that personnel need to connect one end of a fixed concrete pump with a fixed casting hose at each skylight for multiple times, which is time-consuming and labor-intensive in actual construction process, affects the tunnel secondary lining concrete casting speed and is very likely to cause concrete in the pipe to flow out and affect the on-site construction environment during the casting process of replacing the skylight. The invention comprises a casting trolley body, a placing frame is fixed on the top surface of the casting trolley body, and a plurality of circumferentially distributed butt pipes are fixed on the top surface of the placing frame; the invention arranges a plurality of butt pipes so that an L-shaped pipe can be connected to the plurality of butt pipes respectively, thereby avoiding the need for personnel to connect one end of a fixed concrete pump with a fixed casting hose at each skylight for multiple times, which is time-consuming and labor-intensive in actual construction process, affects the tunnel secondary lining concrete casting speed and is very likely to cause concrete in the pipe to flow out and affect the on-site construction environment during the casting process of replacing the skylight.

The utility model discloses a kind of rapid pouring mould of assembly integral type two-way dense rib composite floor slab prefabricated concrete bottom plate, including bottom plate, first intermediate plate, second intermediate plate, first side edge plate, second side edge plate and third side edge plate.The pouring mould in the utility model has fast pouring speed, is easy to vibrate, easy to demould, can greatly reduce construction error and construction difficulty, while improving pouring efficiency, realize the promotion of assembly building efficiency.

The application discloses a novel feeding device for laterite nickel ore, which comprises a rotating platform, a material pouring platform and a grabbing mechanism. A partition is arranged on the top of the rotating platform, so that the top of the rotating platform is divided into a first stacking pit and a second stacking pit. The rotating platform is used for rotating the first stacking pit and the second stacking pit to replace positions. The material pouring platform is arranged on both sides of the first stacking pit, and a stacking mechanism is arranged on the material pouring platform and used for pushing the materials on the material pouring platform from both sides to the stacking pit in the middle. The novel feeding device for laterite nickel ore provided by the application can pour materials for multiple transport vehicles side by side through the material pouring platform, and the materials can be concentrated and stacked in the stacking pit in the middle through the stacking mechanism. Then, the two stacking pits are replaced through the rotating platform, and the grabbing mechanism is used for grabbing and feeding the mineral materials, so that the transport vehicles are avoided from queuing, and the efficiency of pouring the mineral materials is improved.

The utility model relates to the technical field of kitchen waste treatment devices, in particular to a turnover type kitchen waste bin dumping device which comprises a sleeve frame, and the sleeve frame comprises a hollow sleeve cavity used for being sleeved with a kitchen waste bin. The rotation stopping shaft assembly comprises a supporting shaft and a rotating shaft which are movably arranged in a sleeving mode, the outer side of the rotating shaft is connected with a rotating arm connecting shaft in a sleeving mode, and the rotating arm connecting shaft is connected with the sleeve frame through a rotating arm; the number of the lifting driving assemblies is two, and the lifting driving assemblies are symmetrically arranged on the base; and the rotating assembly comprises a rotating motor connected with the lifting driving assembly, a first rotating gear is connected to a rotating shaft of the rotating motor, and the first rotating gear can be meshed with a second rotating gear arranged at the end of the rotating shaft. The device is simple in structure, complete in function and convenient to assemble and disassemble, the cost can be greatly reduced, and the kitchen waste dumping efficiency is effectively improved.

The invention provides a middle module structure for building construction, and relates to the technical field of building construction. The structure is applied to a concrete foundation and comprises two first stand column molds arranged in the transverse direction of the concrete foundation in a spaced mode and two second stand column molds arranged behind any first stand column mold and transversely arranged in a spaced mode, and the two first stand column molds and the two second stand column molds are distributed in a rectangular mode. One transverse bearing beam mold is arranged between the two first upright column molds, the two ends of the transverse bearing beam mold are detachably matched with the first upright column molds, and the other transverse bearing beam mold is arranged between the two second upright column molds. In addition, two longitudinal bearing beam molds are connected with the first stand column mold and the second stand column mold. The two longitudinal bearing beam molds, the two transverse bearing beam molds, the two first stand column molds and the two second stand column molds jointly define a rectangular frame. The middle module structure is easy to assemble, and the pouring efficiency is greatly improved.

An AGV automatic casting machine comprises an AGV body, a casting mechanism, a control system and a sensing system. The AGV body comprises a bottom plate, AGV steering wheels and universal wheels are symmetrically fixed to the lower portion of the bottom plate, and the casting machine is controlled to run in a casting workshop according to a preset path; the pouring mechanism is composed of a pouring box, a driving device and an adjusting device. The pouring box is used for containing molten metal, the driving device is used for controlling the inclination angle of the pouring box, and the adjusting device can adjust the height and angle of the pouring box according to different pouring requirements. The control system comprises a controller, a communication module and a human-computer interface. The controller is used for receiving a signal of the sensor system and controlling the movement of the AGV body and the action of the pouring mechanism according to a preset program; the sensing system comprises a visual sensor, a laser distance measuring sensor, a temperature sensor, a pressure sensor and the like. According to the automatic casting machine, the safety can be improved, and the safety risk caused by manual operation is reduced.

The utility model discloses a UHPC (Ultra High Performance Concrete) mould shell forming mould of an assembly type concrete prefabricated SW column, which comprises a bottom mould, two outer mould plates and an inner mould, the two outer mould plates are detachably arranged on the bottom mould, the inner mould is placed in a space surrounded by the bottom mould and the two outer mould plates, and the inner mould is arranged on the bottom mould. A space defined by the bottom die, the two outer die plates and the inner die is a die cavity, the inner die comprises a foldable inner die frame and a driving assembly connected with the inner die frame, and the driving assembly is used for driving the inner die frame to contract inwards or expand outwards. And the production quality and the production efficiency of the prefabricated UHPC mold shell are greatly improved.

The present invention provides a prefabricated casting system for piers and a method for casting them off-site, including a bottom mold assembly, four side mold assemblies and four cleaning assemblies are arranged around the bottom mold assembly, the side mold assemblies include a first side mold assembly and three second side mold assemblies, and the cleaning assemblies include a first cleaning assembly and three second cleaning assemblies; the prefabricated casting system of the pier is used to make a casting body at the prefabrication site, and the casting body is transported to the road and bridge construction site through a transportation system. The present invention replaces on-site casting with factory standardized casting, and the casting is subject to fewer restrictions and is not affected by factors such as weather. The opening and closing of each template is achieved through mechanized drive, and the casting efficiency and casting accuracy are high, the safety hazard is small, and no manual command is required to achieve avoidance during the casting process. The opening and closing of each template is smooth and reliable, and the position of the bottom template can be adjusted, which can further improve the casting accuracy and the general performance of casting.

The invention discloses an evanescent mode pouring and filtering assembly, which belongs to the technical field of casting, pouring and filtering, and comprises a rack, and the rack is connected with a pouring table through a rotating assembly; the filtering assembly is hinged to the rotating assembly; the opening and closing assembly is fixed on the rack and is in sliding connection with the two groups of filtering assemblies; the cleaning assembly is hinged to the rotating assembly; the exhaust assembly is communicated with the filtering assembly; and the auxiliary exhaust assembly is rotationally connected to the filtering assembly and connected with the exhaust assembly. And the rotating assembly is started, so that the two filtering assemblies can alternately filter and clean, and the casting pouring efficiency is improved. And the cleaning assembly can drive the pouring cup to automatically clean the inner wall of the pouring pipe under the action of the rotating assembly. The auxiliary exhaust assembly and the exhaust assembly can enable the sand box and the filtering assembly to generate low-frequency vibration correspondingly, so that bubbles in molten metal are promoted to float upwards, gas gasified by a foam mold in the pouring process is pumped away, the exhaust effect in the pouring process is improved, and air holes and defects of castings are reduced.

The process of top-down construction of basement outer wall after construction of horizontal bracing structure by reverse construction method, sequentially constructs the horizontal bracing structure from top to bottom, simultaneously pours the guide wall of the basement outer wall during the construction of each layer of horizontal bracing structure, and pre-buries the steel sleeve in the guide wall for pouring the outer wall, specifically comprising the following steps: S1, construction of surrounding purlin; S2, horizontal bracing structure formwork; S3, pouring the first horizontal bracing structure; S4, sequentially constructing the lower horizontal bracing structure; S5, construction of outer wall formwork; S6, pouring of outer wall concrete; the application replaces the traditional "horn mouth" as the pouring and vibrating channel of the outer wall concrete by reserving the guide wall and steel sleeve in advance, ensures that the outer wall is poured to the top at one time, avoids the narrow space of the "horn mouth" from causing the new and old concrete contact part to be not vibrated in place, and causes the leakage hidden danger of honeycomb and dog hole of the old concrete.

The utility model discloses a movable groove concrete pouring device, belongs to the technical field of groove pouring, and solves the problem that an existing concrete pump truck is inconvenient to pour a narrow groove. The device comprises two angle steel frames, the tops of the two angle steel frames are fixedly connected through a cross beam, and drainage plates used for guiding concrete to flow into a groove formwork are fixed between the two opposite side edges of the two angle steel frames. Universal wheels are arranged on the two sides of the bottom of each angle steel frame, and the two pairs of universal wheels are arranged in the two guide steel channels in a rolling mode correspondingly. Concrete is manually poured into the drainage plates on the two sides of the angle steel frame, the two drainage plates can drain the concrete into a cavity of the groove formwork, in the pouring process, the angle steel frame of the triangular structure provides stable support and adapts to the narrow groove formwork space, the drainage plates accurately guide the flow direction of the concrete, and the pouring efficiency is improved. And material overflow waste is reduced.

The utility model relates to the technical field of electrically-fused brick graphite risers, and discloses a non-polluting electrically-fused brick graphite riser which comprises a graphite riser body, a funnel connecting block and a base sealing block, ventilation cooling assemblies are arranged in the funnel connecting block and the base sealing block, and clamping assemblies are arranged at the two ends of the graphite riser body; the clamping connection comprises a plurality of clamping blocks, and the clamping blocks are fixedly connected to the side face of the funnel connecting block and the side face of the base sealing block respectively. According to the utility model, the funnel connecting block can be effectively connected with equipment such as a pouring system, so that molten metal can smoothly flow into the riser, the pouring efficiency of the molten metal is improved, and the molten metal is effectively prevented from being splashed to the outer surface of the riser. The base sealing block is connected with a die or a supporting structure through the semicircular groove and the connecting block, good supporting and sealing effects are achieved, and molten metal is prevented from leaking.

The utility model discloses a separating type outer mold assembly which at least comprises an outer mold, a guide frame and a supporting frame. The outer molds are of a semicircular opening structure and are arranged on the guide frame in pairs, the supporting frames are connected with the side walls of the outer molds, rolling wheel sets are arranged at the bottoms of the supporting frames, guide grooves for limiting the rolling wheel sets are formed in the guide frame, and power parts for moving the outer molds are further arranged on the supporting frames. The power part can force the rolling wheel group to drive the outer mold to move towards or away from each other; according to the scheme, after pouring is completed and a component is formed, the outer mold needs to be disassembled, the power part acts to drive the outer mold to do the opposite movement, the outer mold is stably separated from the outer side of the component, the outer mold assembly can achieve rapid and accurate assembly of the outer mold, meanwhile, the mold does not need to be knocked, the construction difficulty of constructors can be reduced, and the construction efficiency is improved. The pouring efficiency is improved.

The utility model provides a building prefabricated wallboard pouring device which comprises a bottom plate, two first side plates and two second side plates, two first open grooves and two second open grooves are formed in the bottom plate, the two first open grooves are parallel to each other, the first side plates and the second side plates are arranged on the same plane of the bottom plate, and the first open grooves are parallel to the second open grooves. The first side plate is in sliding connection with the first open groove, the second side plate is perpendicular to the first side plate, one end of the first side plate is fixedly connected with a limiting assembly, the second side plate is fixedly connected with a second limiting block, and the second limiting block is detachably connected with the limiting assembly. According to the scheme, the baffle is fixedly connected to the inner side of the first side plate, and the baffle is in sliding connection with the second open groove, so that concrete in the space defined by the first side plate and the second side plate is prevented from permeating into the first open groove, and the service life of the first open groove is effectively prolonged.

This utility model discloses a waste recycling trolley in a cigarette manufacturing workshop, belonging to the technical field of cigarette production equipment. The trolley includes a mobile cart with a guide rail. A guide sleeve is slidably connected to the guide rail, and a fixed mounting base is provided for the guide sleeve. A cylinder with a piston rod connected to the guide sleeve is located inside the guide rail. The mounting base is connected to a collection hopper via a tilting mechanism. The tilting mechanism includes a fixed base, a shaft seat, a rotating base, a reduction motor, a lead screw, a threaded sleeve, a movable base, and a top rod. This utility model uses a cylinder to raise and lower the collection hopper, and the tilting mechanism enables automatic tilting. The wheels at the bottom of the mobile cart facilitate movement and positioning. An anti-stick coating on the inner wall of the collection hopper and a bottom guide plate ensure smooth waste discharge. This waste recycling trolley has a reasonable structure, a high degree of automation, and is easy to operate. It can improve waste recycling efficiency, reduce labor intensity, and is suitable for waste recycling and processing in cigarette manufacturing workshops.

The utility model discloses a real stone paint mixer with splash -proof function relates to real stone paint mixer technical field, including stirring bin, first support frame, second support frame, first motor and guide frame, the splash -proof mechanism is arranged on the stirring bin top, the splash -proof mechanism includes guide frame, splash -proof cover, adjusting knob and limiting block, and the splash -proof cover is lifted upwards through the lifting adjusting knob, and the splash -proof cover side limiting block is connected with the guide frame slide rail and moves to the stirring bin top, realizes the splash -proof function of equipment, and the second interface with valve on the midline top can control the feeding speed, and the symmetrical first interface and third interface on the midline below support the left and right sides discharge, and the external quick detachable hose is convenient for cleaning and pipeline adaptation.

The utility model discloses a plug-in height control device for pouring concrete on the column side of a steel reinforced concrete column, which belongs to the technical field of constructional engineering concrete construction and comprises a diversion galvanized steel pipe, a stainless steel plate receiving port, an angle steel support frame, an alarm device box, a connecting steel pipe, a floating rod clamping piece, a floating ball rod, a floating ball valve, a contact sensor and a rotating shaft. The stainless steel plate collecting port, the flow guide galvanized steel pipe and the angle steel supporting frame assembly are utilized, so that scientificity and reasonability of the plug-in device are improved; the floating ball principle is utilized to solve the problem of insufficient concrete pouring height or over-pouring concrete loss caused by blind point concrete pouring of workers, the concrete pouring efficiency is improved, and the effects of reducing material waste and manpower consumption, reducing damage to steel columns and the like are remarkable. Meanwhile, the process is simple, operation is convenient, installation and removal are convenient, the turnover performance is high, and the pouring quality and efficiency of the concrete in the section steel column are greatly facilitated and improved.

The invention discloses a suspension bridge anchor multi-scene application structure which comprises an anchor body, the anchor body comprises a buttress foundation, an anchor block, a splay cable saddle buttress and a front anchor chamber, the splay cable saddle buttress and the front anchor chamber are arranged on the buttress foundation and connected in a crossed mode, and the splay cable saddle buttress and the front anchor chamber form a polygonal structure with inclined side faces. At least one frame structure is arranged in the anchor body, and a cavity is formed in the frame structure. A fixing piece is arranged in the cavity and fixedly connected with the cavity, and a plurality of connecting cylinders are arranged on the outer side of the cavity and penetrate through the cavity to be connected with the fixing piece in a matched mode. A plurality of detachable anchor points are arranged on the connecting cylinder; a filling module is arranged in the cavity and fixedly connected with a connecting rod arranged on the frame structure. The purpose of the invention is to create an immersive tourism experience project, the unique structure of the anchor can be fully utilized, efficient fusion of the anchor among multiple scenes such as traffic infrastructure and entertainment is realized, and thus the comprehensive benefit and social value of the suspension bridge anchor are improved.

The invention discloses a casting device capable of conveniently pouring molten iron. The casting device comprises a base, a lifting plate is slidably connected into the pouring cylinder, a first opening and a second opening are formed in the side wall of the pouring cylinder, and pouring liquid in the pouring cylinder can be allowed to overflow through the first opening or the second opening; a lifting mechanism; the adjusting mechanism comprises a connecting plate, the connecting plate can be allowed to rotate along the outer cylinder surface of the pouring cylinder, a discharging opening is fixedly connected to the connecting plate, and the discharging opening communicates with the first opening or the second opening; a transfer box; and the controller is controllably connected to the lifting mechanism and the adjusting mechanism. The controller enables pouring liquid to overflow through the first opening through the lifting plate by inquiring a preset pouring quantity-distance comparison table on the basis of the pouring quantity and liquid level data in the pouring cylinder. According to the technical scheme, the technical problems that in the actual pouring process of an existing pouring system, quantitative control is difficult, pouring is not easy, and the automation degree is not high can be effectively solved.

The utility model discloses a cast-in-place box girder chamfer rapid forming positioning device which comprises four round corner components and four transverse plate connecting components, and every two adjacent round corner components are connected through one transverse plate connecting component, so that a rectangular barrel-shaped cavity with four round chamfers is defined. The fillet component is an integrally-formed piece, and the transverse plate connecting component is an integrally-formed piece. The utility model relates to the technical field of cast-in-place box girder chamfer forming, a 1 / 4 arc-shaped strip is used for forming an arc-shaped chamfer part of a cast-in-place box girder, the 1 / 4 arc-shaped strip can be arranged at a target position through an arc-shaped positioning plate, and the 1 / 4 arc-shaped strip ensures the strength of a rounded corner component, prevents the rounded corner component from deforming in the pouring process and ensures the pouring quality; the transverse plate connecting component and the rounded corner component just form a clamping structure with a boss and are locked and fixed together with the fastener, so that the transverse plate connecting component and the rounded corner component are assembled, the operation is convenient, and the pouring efficiency is improved.

The invention discloses a molten iron pouring device for cast steel volute casting, and belongs to the technical field of cast steel volute casting, the molten iron pouring device comprises a supporting frame and a pouring barrel, two supporting legs are fixedly mounted on the lower surface of the supporting frame, a protective cover is fixedly mounted on the side wall of the supporting frame, and a stabilizing assembly is arranged on the inner wall of the supporting frame; according to the device, the stabilizing assembly is arranged, one moving column can move under the action of a thread, the other moving column synchronously moves under the limiting of a limiting rod, and therefore the supporting column is driven to move towards the outer side of the supporting frame; in the volute casting process, the contact area between the molten iron casting device and the ground is continuously increased along with the inclination of the casting barrel, and the gravity center of the device is changed by changing the contact area, so that the stability of the molten iron casting device in the casting process is improved, and the situation that the device topples over due to the change of the gravity center and molten iron flows out is avoided; and the safety of the molten iron pouring device during use is further ensured.