139results about How to "Shorten pouring time" patented technology

A plastic container used to hold a dispersion-based paint colorant and capable of dispensing the colorant into paint dispensing machines, comprising an open top capable of holding and securing a cap, and having a wide mouth with a diameter of at least 50 mm. The plastic container has a cylindrical body extending below the open top, and a plurality of vertical ribs spaced around the body to strengthen the container. The plastic container may be used to hold a dispersion-based paint colorant or personal care products such as shampoo and conditioner.

Disclosed is an automation control method for tunnel lining construction. A control system integrates all information collecting and control procedures of a traveling mechanism, a hydraulic system, aconcrete distribution device, a vibrating device, a temperature sensor, a flowmeter, a video monitor and a pressure sensor, is equipped with a GPRS wireless data transmission module, and can collect and upload information in the casting process of a tunnel lining to a project department monitoring room. The distribution device can be connected with a plurality of distribution pipes in series, thetemperature sensor is used for detecting the concrete casting temperature, and the flowmeter is used for collecting the concrete casting quantity and implementing automatic control over casting. The video monitor monitors real-time work picture information, and collects and transmits the real-time work picture information to the project department monitoring room. The vibrating device achieves vibrating automatic control operation for concrete. The pressure sensor detects and collects pressures of all points in the concrete casting process and displays the casted height of the concrete. The control system conducts concentration analysis on data collected in the casting process of the tunnel lining, gives out a control instruction, and uploads the detected data to the project department monitoring room.

The invention discloses a vacuum centrifugal casting method with low sucking rate, which comprises the steps of closing a mold, vacuumizing and centrifuging, casting and demoulding, and is characterized in that: in the step of vacuumizing, a molding mechanism which hermetically rotates is vacuumized; and the molding mechanism comprises a lower die installation seat (7) which is arranged on a transmission shaft (10), wherein a connecting seat (5), a lower die (4), an upper die (17) and an upper die installation seat (3) are connected with and arranged on the lower die installation seat (7) through a guide rod (6); the upper die (17) and the lower die (4) are closed to form a hermetic molding mechanism; and the transmission shaft (10) is a hollow shaft of which one end is communicated with the molding mechanism and the other end is communicated with an exhaust joint (13). The method is feasible; a device has a simple structure; and the inside of a cavity of a casting instead of a seal cover originally is vacuumized, so that vacuum degree is improved, a pouring channel is shortened, the surface finish and compactness of the casting are improved, and particularly good compactness effect during the casting of special-shaped parts is achieved.

A process for casting a gearbox body of a centrifugal compressor comprises the following steps: 1), preparing a mould box, wherein a gearbox adopts two resin sand box molds, a plurality of U-shaped ceramic pipes are arranged on the parting surface of the lower box, two ends of each U-shaped ceramic pipe are connected with a filter and a horizontal runner, a U-shaped ceramic pipe is arranged at the bottom of the lower box, and two ends of the U-shaped ceramic pipe at the bottom of the lower box are connected to the horizontal runner and a flange at the bottom of the lower box, so as to form an upper stepped inner runner, a middle stepped inner runner and a lower stepped inner runner for feeding iron liquid; 2), carrying out brushing or flow coating, that is, conducting brushing or flow coating on a cavity and a mud core; 3), carrying out mold assembling, wherein residual sand in the cavity and the mud core is cleaned up, the mud core is lowered into the cavity smoothly, a filter disc is placed into a filter, a box sealing strip and glue are placed, positioning pins are placed into positioning holes, and mold assembling is carried out smoothly; and 4), pouring: a casting head is well placed, an air exhaust core is well surrounded by sand, the pouring temperature is controlled to be 1400 to 1350 DEG C, and the pouring time is controlled to be 80 to 90 minutes. According to the invention, the problem that casts produced according to the original process have scrapped gas pores is effectively solved; the production cost is reduced; and the productivity effect is improved.

The invention discloses a construction method of a well lid of a road surface inspection well. The construction method overcomes the defects that in the prior art, time for installation work of a well lid base is long, and the consistency of construction quality cannot be guaranteed. The construction method of the well lid of the road surface inspection well comprises the following steps that A, a concrete well ring and a well lid base are integrally prefabricated; B, a well ring foundation pit is dug; C, a well mouth supporting inner formwork is mounted in the well mouth of the inspection well; D, the space between the well mouth supporting inner formwork and the well ring foundation pit is filled with concrete; E, the concrete well ring and the well lid base are hoisted integrally; F, the well ring foundation pit and the prefabricated concrete well ring are filled with concrete, and the concrete is compacted; G, the well mouth supporting inner formwork and a hoisting and leveling device are taken out; and H, an asphalt concrete pavement layer between the well ring and the road surface is laid. The invention further provides an auxiliary installation device. The auxiliary installation device comprises the well mouth supporting inner formwork and the hoisting and leveling device. According to the construction method of the well lid of the road surface inspection well and the auxiliary installation device, construction is simple, work time is short, the dimensional precision of well lid installation is high, and the construction method and the auxiliary installation device are suitable for well lid installation.

The invention discloses a multi-overlaid-layer gating system and technology for casting. The multi-overlaid-layer gating system is characterized in that the multi-overlaid-layer gating system comprises multiple layers which are overlaid, riser channels and spures are arranged in the gating system, and in each layer of the gating system, the upper end and the lower end of the riser channel and the upper end and the lower end of the spure are provided with risers and pouring gates respectively; a riser cup and a pouring gate cup are fastened to the riser and the pouring gate on the top layer of the gating system respectively; the riser and the pouring gate of the upper end of the next layer of the gating system are tightly sleeved with the riser and the pouring gate of the lower end of each upper layer of the gating system respectively; the riser and the pouring gate of the bottom layer of the gating system are sealed, cross gates are arranged between the riser channels and the spures, inner pouring gates are arranged on one sides inside the riser channels, the cross gates are communicated with the inner pouring gates, and the inner pouring gates are communicated with a product sand mold cavity. By means of the multi-overlaid-layer gating system, a multi-layer product sand mold cavity is cast, casting production efficiency is improved, casting time is shortened, the molten iron content in multi-overlaid-layer casting is guaranteed, temperature balance is guaranteed, and casting product quality is guaranteed.

The invention discloses a self-compaction refractory concrete which is composed of the following ingredients according to weight percentage: 25%-35% of cement, 55%-65% of refractory aggregate, 0.03%-0.09% of water reducer and 8%-15% of water. The self-compaction refractory concrete provided by the invention can meet the requirements on mechanical properties such as compression strength and breaking strength as far as possible in a short time, the pouring time is greatly shortened, and the construction efficiency and the construction quality are improved.

The invention discloses an UHPC small box girder structure. The UHPC small box girder structure comprises multiple box girder bodies connected with each other through longitudinal joints; the box girder bodies are prefabricated by ultra-high performance concrete; the box girder bodies consist of top plates, bottom plates, web plates, midspan diaphragms and end diaphragms; retard-bonded prestressedtendons are embedded in the box girder bodies in a longitudinal direction; internal side templates and external side templates which are fixedly connected with each other through bolt connecting pieces are arranged in the end parts of the box girder bodies; the end diaphragms are integrally poured between the internal side templates and the external side templates; and the box girder bodies are thin-walled box girders consisting of UHPC materials. Materials are effectively saved, the girder weight is reduced by about 40%, the retard-bonded prestressed tendons are embedded in the box girder bodies so that the materials are saved and the girder height is reduced; corrosion and changing problems of external prestressed tendons are avoided; and the maintenance cost in the operation period isgreatly reduced.

The invention discloses a steel pipe column concrete lateral pouring method and a steel pipe column structure used in the method. A steel pipe column is formed by welding multiple steel pipes. The method includes the steps that a pouring hole is formed in the side wall of the upper steel pipe, and then the upper steel pipe and the lower steel pipe are welded; when concrete in the lower steel pipe is poured, a concrete pumping pipe is inserted into the pouring hole in the upper steel pipe from the side face, and then pouring of the concrete in the lower steel pipe is finished. In the pouring process, construction of an upper-layer steel pipe column, a steel beam and a truss formwork is not influenced, synchronous construction can be achieved, work faces do not interfere with one another, installation efficiency of the steel structure is improved and the construction period is shortened. A worker can stand on an outer-frame horizontal beam and slab structure during pouring construction, safety risks are greatly reduced, pouring is easy and convenient to carry out, pouring can be carried out without a concrete spreader, operation time of the concrete spreader is saved, pouring time of the concrete of the steel pipe column is greatly shortened, the construction period is shortened, and labor expenses are reduced.

The invention discloses a deep sea manganese ore collection mechanism which comprises a rotary plate and an ore bin, wherein the ore bin comprises a bottom plate and a rear plate; a left side plate and a right side plate are respectively arranged at the left side and the right side of the bottom plate; the rotary plate is arranged at the front end of the bottom plate; a left side waterproof speed reducing motor and a right side waterproof speed reducing motor are respectively connected at the front ends of the left side plate and the right side plate; motor shafts of the left side waterproof speed reducing motor and the right side waterproof speed reducing motor arranged along the horizontal direction are respectively connected with the upper parts of the left side and the right side of the rotary plate by a coupler; the bottom of the rear plate is connected with the rear end of the bottom plate, and the upper part of the rear plate is rotatablely connected between the rear ends of the left side plate and the right side plate by a rotating shaft of the ore bin connected with the left side plate and the right side plate; the rotating output end of a drag motor is connected with one end of a drag rope; and the other end of the drag rope is connected with the bottom plate so as to drive the bottom plate to rotate around the rotating shaft of the ore bin. The deep sea manganese ore collection mechanism has the advantages of being easy to maintain and convenient to repair, and reduces the time for dumping ores.

The invention discloses a casting machine and casting method for liquid forging and belongs to the technical field of special forging techniques and equipment. The casting machine comprises a machine base, a rotating mechanism, a lifting mechanism, a telescopic mechanism, a flow guiding system, a hydraulic system and a control system. The flow guiding system is connected to the telescopic mechanism. The telescopic mechanism is installed on the rotating mechanism. The rotating mechanism is fixed to the lifting mechanism. The lifting mechanism is installed on the machine base. The hydraulic system is used for driving to achieve rotational movement, rising and falling movement and stretching and retracting movement. Casting outside the machine is achieved through the steps of adjusting a casting position, preheating a flow guiding groove, rotating the flow guiding groove to the casting position, conducting casting, and restoring the flow guiding groove, and the manufacturing cost and the use cost of a liquid forging machine can be remarkably reduced. The casting machine and casting method can be used for liquid forging of large pieces and rapid and stable casting, can decrease the defective rate and is wide in application range.

The invention discloses an automatic pot turning and lid opening cooking pot, which comprises a frame body, a pot body and a pot cover. The pot body is connected, the top of the pot cover of the pot body is connected with the curved arm of opening the cover through the rotating shaft, the bottom of the curved arm of the cover opening is connected with the upper part of the cabin body of the frame body through the pin shaft, and one end of the pin shaft is connected with the flip cover through the connecting piece The top of the oil cylinder is rotatably connected, and the flip oil cylinder is arranged on the side wall of the cabin body. The invention can automatically turn over the pot cover, and then complete the cover-opening process, avoiding the occurrence of staff burns, and can also automatically turn over the pot body, which reduces the labor intensity of the staff, reduces the dumping time, and satisfies the the needs of the enterprise.

A concrete filled steel tubular structure internally provided with composite tubes and seawater sea sand concrete. The concrete filled steel tubular structure comprises a steel tube, common concrete,the composite tubes and the seawater sea sand concrete. More than one composite tube is arranged in the section of the steel tube, the axes of the composite tubes are parallel to the axis of the steeltube, the internal parts of the sections of the composite tubes are filled with the seawater sea sand concrete, the gaps between the composite tubes and the steel tube are filled with the common concrete, the seawater sea sand concrete and the common concrete are separated by the composite tubes, protection is provided for resisting chloride ion corrosion, and meanwhile possibility is provided for arranging steel bars in the outer common concrete. The composite tubes and the steel tube provide the inner constraint and the outer constraint for the seawater sea sand concrete, the mechanical performance of the seawater sea sand concrete is greatly improved, seawater sea sand resource utilization is achieved while the application effect of the normal common concrete is reached, and broad prospects are achieved.

The invention relates to a method for extracting effective component of traditional Chinese medicine, with dynamic overflow continuous reverse-flow method, wherein said method uses several extractors, while each extractor works independently and they use active overflow method, to transfer liquid continuously. Compared with traditional method, the invention improves extracting speed, reduce solvent consumption, reduce following energy consumption and improve efficiency. The invention can reduce extracting temperature, etc. And the invention comprise several pots, heater, condenser, tubes, pump and value which control the active overflow between pots, and the meter element controlling the balance of whole device.

The invention discloses a soup spoon for a soup feeding machine. The soup spoon comprises a spoon opening, a spoon body, a spoon bottom, a soup outlet and a soup outlet channel. The spoon opening and the spoon bottom are located at the upper portion and the lower portion of the spoon body respectively. One end of the soup outlet channel is connected with the upper portion of the spoon body, while the other end of the soup outlet channel is connected with the soup outlet. A through hole is formed in the spoon body below the edge of the spoon opening. The upper edge of the through hole is connected with a cap protruding outwards and extending in the direction of the spoon bottom. When the soup spoon is used for spooning soup, oxide residues on the metal bath surface can be prevented from entering the soup, and therefore the quality and qualified rate of the soup are improved; the soup is accurately fed in place and discharged rapidly and safely.

The invention discloses a vertical pouring and fast homogenizing device for pipe core concrete of PCCPs, and relates to the technical field of pouring formation of the PCCPs. The device comprises an ejection rod, a homogenizing cone cylinder, an adhesion type pneumatic vibrator and partition plates, wherein the adhesion type pneumatic vibrator adheres to the inner wall of the homogenizing cone cylinder; a lifting lug is located at the lower-middle part of the ejection rod, and the bottom end of the ejection rod is connected to the cone top of the homogenizing cone cylinder; the partition plates are uniformly distributed on the outer wall of the homogenizing cone cylinder, extension grooves are located in the middle parts of the partition plates, and long sides and short sides are distributed on the outer edge of the bottom of the homogenizing cone cylinder in a concave-convex staggered mode. The device overcomes the shortcomings that time is wasted in the prior art, manual homogenizing is needed, the pouring quality cannot be guaranteed and the yield of pipe cores is limited seriously. The invention further discloses a vertical pouring and fast homogenizing method for the pipe core concrete of the PCCPs.

The invention relates to the technical field of molten aluminum ladles, in particular to a sectional molten aluminum ladle which comprises a tank. A plurality of partition plates are horizontally arranged in the tank from top to bottom and divide the inner wall of the tank into a plurality of sealed spaces, a sprue gate is formed in the lower portion of one side of each sealed space and positionedon the side wall of the tank, a liquid inlet is formed in the upper end of the tank, a liquid inlet pipe is inserted into the liquid inlet, sequentially penetrates all the partition plates and then extends to the bottom end of the tank, and a liquid outlet is formed in the upper end of each partition plate and positioned on the corresponding liquid inlet pipe. The sectional molten aluminum ladlecan realize sectional simultaneous casting, casting efficiency is improved, casting time is shortened, sectional insulated heating of molten aluminum is facilitated, heat loss in the transportation process of the molten aluminum is reduced, the use efficiency of the sectional molten aluminum ladle is improved, and wide use and popularization are facilitated.

The invention relates to a roller skating type garbage cleaning device which can flexibly move in a place with crowded people and does not affect normal movement of others, and belongs to the field of garbage cleaning equipment. The roller skating type garbage cleaning device mainly comprises a shoe body, a moving system, a cleaning system and a recycling system, wherein the moving system is fixed right below the shoe body; the cleaning system is arranged on one side of the shoe body and comprises a battery, a motor and a cleaning brush; the recycling system is arranged on one side of the shoe body and comprises a roller brush, a shaft, a gear, a roller brush protecting shell and a garbage bin; and the garbage bin is matched with the protecting shell and is arranged at the rear of one side of the shoe body. The roller skating type garbage cleaning device can be used for cleaning places with complex and variable shapes and arrangements in an adaptive manner through the cleaning system with small size; and when the roller skating type garbage cleaning device is used for cleaning a place with crowded people, the roller skating type moving system rotates flexibly and easily, the working width is small, and the roller skating type garbage cleaning device can freely clean the ground in the crowd.