50results about How to "Large expansion force" patented technology

An improved safety hypodermic syringe includes a reciprocal tubular needle sheath disposed on the exterior of the syringe body, a latch mechanism engaging the syringe body and the sheath to latch the sheath in a needle-covering position after delivering contents from the syringe body, and a spring engaging the syringe body and the sheath and expandable to move the sheath to cover the needle point, where the spring is a non-uniform helical spring having multiple 360° turns each turn uniformly spaced from adjacent turns, each 360° turn comprising first and second alternating angled portions, the first of the alternating angled portions being at a first angle to a plane perpendicular to an axis through the center of the helical spring and the second angled portions being at a second lesser angle to the plane perpendicular to the axis.

The present invention relates to a three-way automatic temperature control valve capable of utilizing medium self-body temperature to control opening and closing of high-temperature medium channel and low-temperature medium channel of valve. Said three-way automatic temperature control valve includes the following components: valve body, low-temperature hole valve seat, high-temperature hole valve seat, low-temperature hole valve flap, high-temperature hole valve flap, regulation screw ring, temperature-sensing element, pushing bar and reset spring, etc.

The invention discloses a preparation method of high-specific surface area size controllable graphene nanoplatelets. The preparation method is applicable to large-scale production of graphene and comprises the following steps: (1) with large-particle size expandable graphite as a raw material, preparing high-expansion rate expandable graphite; (2) with organic matters as intercalation materials, blending and inserting the organic matters into the lamellas of the expandable graphite together to prepare an expandable graphite/organic matter composite material; (3) crushing the blend into a certain size by using a crusher; and (4) burning at a high temperature in a certain atmosphere and carrying out expansion stripping to obtain the graphene nanoplatelets of a certain size. The preparation method disclosed by the invention is capable of preparing the size controllable graphene nanoplatelets at a large batch and a low cost; therefore, the problems of low yield, small size, high cost and the like in an existing graphene preparation technology are solved.

The invention provides a concrete beforehand pore-forming static breaking technology. A plurality of containers with a certain sizes, shapes and amounts are embedded in a concrete member before the concrete is cast, a plurality of orifices are arranged above the containers, the inner diameters of the orifices are less than the inner diameters of the containers, and the orifices are extended to the edge of the concrete member. When the concrete member needs to be disassembled, the expanding agent is filled into the containers along with the orifices, the expanding agent is chemically reacted in the containers to generate the expansibility, the concrete member is expanded to be broken, and the whole process is free of noise, vibration and slungshots. Compared with the normal pore-forming type static breaking technology, the expansibility is larger, the expanding agent can be effectively avoided to be sprayed out of the orifices, and the construction is safe and environment-friendly; and the drilling working capacity is eliminated, so that the cost can be reduced, and the disassembly construction period can be shortened, therefore, the technology is suitable for the static breaking of engineering temporary facilities.

The invention discloses a soundless cracking agent and a production process thereof. The soundless cracking agent is prepared from the following raw materials by mass percent: 85 to 95 parts of calcium oxide, 2 to 10 parts of fly ash, 2 to 8 parts of cement clinker, 0.2 to 0.8 parts of water reducer and 0.1 to 0.7 parts of sodium citrate. The cracking agent has advantages of simple production technology, convenient operation, large expansibility and easily-controlled reaction time, and is not high in requirements of the raw materials and wide in temperature range.

The present invention relates to in-place soil stabilization. Specifically, the present invention relates a method and device for measuring the increase in subsurface earth pressure or soil displacement during the injection of a stabilizing agent into the soil and prior to surface movement. The rise in sensor pressure or displacement of soil indicates an increase in soil strength and bearing capacity. Therefore, real-time monitoring of these pressures or movements may serve as a guide during the injection process.

The invention discloses a Lentinus edodes dietary fiber slice. According to the invention, insoluble dietary fibers (IDF) of Lentinus edodes are used as a raw material; combined technologies of high pressure cooking and high pressure homogenization are employed to process IDF in the root of Lentinus edodes, and raw materials like an emulsification stabilizing agent and a thickening agent are cooperatively used to prepare the Lentinus edodes dietary fiber slice. The modified Lentinus edodes dietary fiber slice provided in the invention has high content of fibers, low fat and a low calorific value, total content of dietary fibers in the slice is more than 80%, and the dietary fibers have obviously improved water binding capability, water holding capability and expansibility.

The invention relates to a horizontal well bushing shaping repair method and device. The method comprises putting energetic materials in a down-hole horizontal well tube sleeve to be shaped and repaired, and energy replaced by energetic materials is used for impacting on and loading the inner wall of the horizontal well tube sleeve to be shaped and repaired to enable the diameter of the horizontal well tube sleeve to be shaped and repaired to be expanded to recover the through diameter in the tube. The device comprises an igniter, an integrated drift diameter gauge, at least one shaping gun component and a gun tail. The energetic materials are one type of power sources. The method and the device have the advantages that the energy release speed is high, the diameter expanding force is large, ground rotation, lifting and down impact force are not needed, centering of the device is not required, no litters are produced, capable of solving the technical problem of horizontal well bushing shaping, meeting the current growing horizontal well bushing shaping repair requirement and applicable to shaping repair of various bushings of vertical wells, inclined wells, branch wells and the like.

The invention discloses a gas expansion device and a necking processing method and application of an expansion tube. The expansion device includes an expansion tube and an inflatable ignition head. The method is to fix the expansion tube through the clamp first, then rotate the expansion tube and heat the end of the expansion tube through the clamp, heat the end of the expansion tube until it is close to or reach plastic deformation, and after the front part of the shrinking mold touches the end of the expansion tube, The end of the expansion pipe moves from the front to the rear of the shrinking die, and the shrinking die extrudes and thickens the end of the expansion pipe, and the end of the shrinking end is thickened axially outward, and then the end of the expansion pipe is processed with a through-hole knife. Through-hole fixed aperture. The expansion tube is made into a pressure vessel by shrinking. The utility model has the advantages of simple structure, easy processing of structural components, low manufacturing cost, no flying head, no air leakage, safe transportation, no hidden danger of squib, and large expansion force.

The deep wood chip gel plugging agent is used in water injecting well to plug the high penetrating band in thick oil stratum to lower ineffective water circulation. The deep plugging agent consists of high molecular weight anionic polyacrylamide of molecular weight over 19 million and hydrolysis degree of 25-30 % 0.15-0.5 wt%, phenol compounded polyamine 0.1-0.3 wt%, resorcinol 0.01-0.02 wt%, oxalic acid 0.1-0.2 wt%, wood chip 0.5-2.5 wt% and water 96.48-99.14 wt%, which are compounded into water solution of 0.86-3.52 wt% water solution. The present invention has low use concentration, controllable gel forming time and viscosity, low cost and simple compounding process.

The present invention relates to a cartridge fuse and a manufacturing technique for the cartridge fuse, in particular to a vacuum cartridge fuse and a manufacturing technique for the cartridge fuse. The interior of main body of the cartridge fuse is in vacuum state. The present invention utilizes high frequency welding technique to solder a fuse, a tube, and a tinned copper cap together as follows: high frequency current is provided by a high frequency welding machine, an enclosed soldering cavity that can be opened is arranged, alternating magnetic field is produced by the high frequency current in the enclosed soldering cavity, the frequency and time of the high frequency current is controlled, so that the tin on the tinned cap is melted and therefore the soldering is completed in the enclosed soldering cavity. The copper cap on one end is soldered with high frequency welding technique; before the other end is soldered, the cavity is pumped into vacuum state to attain the purpose of protecting the finished product of cartridge fuse.

The invention discloses lotus seedpod dietary fiber vermicelli which comprises the following ingredients, by weight, 4-6 parts of lotus seedpod dietary fiber, 95-105 parts of flour, 0.1-1.5 parts of salt and 35-39 parts of water. The invention also discloses a preparation method of lotus seedpod dietary fiber vermicelli. The preparation method comprises the following steps: preparing lotus seedpod dietary fiber, mixing, standing, pressing flour, drying and preparing the lotus seedpod dietary fiber vermicelli. As the modified lotus seedpod dietary fiber is added into vermicelli, the lotus seedpod dietary fiber vermicelli has fine mouthfeel, little impurity sense and peculiar color and flavor and contains relatively high addition amount of dietary fiber.

The invention relates to the field of clothes dryers, in particular to a rapid drying device and a control method. The rapid drying device comprises a pedestal, an air bag arranged on the pedestal andused for sleeving clothes, and a drying device sending drying air into the air bag. The air bag has a limiting structure which can prevent clothes from sliding after the air bag is inflated. Throughstructural design, clothes are not liable to slide relative to the air bag after the air bag swells, so that the problem that the clothes drying speed is influenced by clothes piling is solved and folds of clothes caused by sliding and piling can be prevented.

The invention discloses a gas expansion device and a necking processing method and application of an expansion tube. The expansion device includes an expansion tube and an inflatable ignition head. The method is to fix the expansion tube through the clamp first, then rotate the expansion tube and heat the end of the expansion tube through the clamp, heat the end of the expansion tube until it is close to or reach plastic deformation, and after the front part of the shrinking mold touches the end of the expansion tube, The end of the expansion pipe moves from the front to the rear of the shrinking die, and the shrinking die extrudes and thickens the end of the expansion pipe, and the end of the shrinking end is thickened axially outward, and then the end of the expansion pipe is processed with a through-hole knife. Through-hole fixed aperture. The expansion tube is made into a pressure vessel by shrinking. The utility model has the advantages of simple structure, easy processing of structural components, low manufacturing cost, no flying head, no air leakage, safe transportation, no hidden danger of squib, and large expansion force.

The invention discloses a rivet part with a double expansion function. The rivet part comprises a rivet and an expansion unit, the rivet comprises a rivet body and a rivet cap, the rivet body is provided with an expansion slot, the expansion slot is arranged in an inverted T shape and comprises a horizontal portion and a vertical portion, the expansion unit comprises an expansion component arranged at the horizontal portion of the expansion slot in an inlaid manner and an abutting pressing column arranged at the vertical portion of the expansion slot, the expansion component comprises two expansion bodies symmetrically arranged on two sides of the abutting pressing column and having sections being in right trapezoids, slopes of the expansion bodies are arranged to face the abutting pressing column, the side wall of the abutting pressing column is provided with position-limiting blocks, the position-limiting blocks are used for limiting the movement position of the abutting pressing column in the axial direction of the abutting pressing column, the bottom shape of the abutting pressing column is matched with the two expansion bodies, and the abutting pressing column moves in the vertical direction to abut and press the expansion bodies to move in the left and right direction. The rivet part with the double expansion function at least has the following advantages that double expansion can be realized well, and the expansion strength of riveting joints is guaranteed.

The invention discloses a lotus seedpod dietary fiber cake. The lotus seedpod dietary fiber cake is prepared from such components in parts by mass as 9-11 parts of lotus seedpod dietary fiber, 95-105 parts of special flour for the cake, 90-110 parts of fresh eggs, 90-110 parts of powdered sugar, 9-11 parts of quick expanding egg oil, 1-2 parts of baking powder and 0.5-1.5 parts of edible salt. The invention also discloses a preparation method of the lotus seedpod dietary fiber cake; the preparation method comprises the steps of preparing the lotus seedpod dietary fiber, weighting, preparing an egg liquid, preparing a paste, injecting into a mold, and baking to prepare the lotus seedpod dietary fiber cake. The lotus seedpod dietary fiber is modified and then added to the cake, and the cake is fine and smooth in taste, few in impurities, even in structure and special in color and luster and flavor; in addition, the addition amount of the lotus seedpod dietary fiber is relatively high. In addition, the lotus seedpod sources are rich; the preparation technique of the dietary fiber is simple and convenient for industrialization; in short, the preparation method of the lotus seedpod dietary fiber cake is wide in application prospect.

This invention refers to a method for removing a part of concrete construction that comprises a base concrete; a reinforced concrete formed on the base concrete; rebars embedded in the base concrete and upwardly extending through the reinforced concrete; the method comprising the steps of: forming a slit in the reinforced concrete and disconnections at an intermediate of the rebars; applying an expansion force on opposite surfaces of the slit in the reinforced concrete to simultaneously break a boundary plane of the reinforced concrete; and removing the moved portion of the reinforced concrete from the base concrete as a scrap. Also, the present invention provides a flat jack suitable to break boundary planes of the scrap wherein the flat jack comprises two metallic plates joined to each other, and an inlet for introducing into the jack pressurized fluidic material to inflate the jack in order to produce a great expansive force.

The invention discloses a motor stator coil and in-wire embedding slot insulation paper shaping device. The device includes a hole-outside coil shaping device and a expanding device for expanding and shaping an in-hole coil; the expanding device comprises a mold core and an expansion pushing head which can move along the axial direction of the mold core; the expanding device comprises a plurality of expanding sheets which can move along the radial direction of the mold core; one end of each expanding sheet passes through an assembling slot and thereafter abuts against one end of the expansion pushing head, or a gap is left between the one end of the expanding sheet and the one end of the expansion pushing head; at least one part of each of the corresponding surfaces of the expanding sheet and the expansion pushing head is an oblique surface or a conical surface; and the other end of the expanding sheet is provided with a portion which abuts against a hole-outside coil and a portion which abuts against an in-hole coil, wherein the portion which abuts against the hole-outside coil and the portion which abuts against the in-hole coil are not located in the same circumferential surface. With the motor stator coil and in-wire embedding slot insulation paper shaping device of the invention adopted, after a stator coil is shaped, a creepage distance between the coil and a rotor can be increased.

The invention relates to the technical field of food processing, in particular to a preparation method of health-care dietary fiber meal replacement powder. The health-care dietary fiber meal replacement powder is prepared from the following raw materials in parts by mass: 20-40 parts of soybeans, 20-60 parts of flammulina velutipes, 5-10 parts of sea-buckthorn, 5-10 parts of passion fruits, 1-5 parts of compound probiotics and 3-15 parts of a flavoring agent. The prepared meal replacement powder has good swelling and digestion promoting effects, can inhibit fat absorption of a human body, and has the effects of good taste, strong satiety, balanced nutrition, dietary fiber and health care.

The invention discloses a turbine disc with a self-lubricating structure for a micro gas turbine. The turbine disc comprises a gas turbine shell, a first rotating shaft, a motor, a first limiting disc, a first rotating hole, a second rotating shaft, a first blade, a driving gear, a third rotating shaft, a second blade, a driven gear, a second limiting disc, an inner gear, an air inlet, a combustion chamber, a fuel nozzle, an igniter, a turbine disc body, an exhaust pipe, a heat exchanger, an exhaust port and a filter screen. The turbine disc is simple in structure and convenient to use, through cooperation of the motor, the first limiting disc, the second rotating shaft, the first blade, the driving gear, the third rotating shaft, the second blade, the driven gear, the second limiting discand the inner gear, the structure is simple, and the purposes of controlling air flow and compressing the air are achieved through fine adjustment of the angle of the first blade and the angle of thesecond blade; and through cooperation of the exhaust pipe, the heat exchanger, the exhaust port and the filter screen, the influence on the external environment is reduced, and the using is convenient.