193results about How to "Increase return speed" patented technology

The invention relates to a well drilling method of a through tubing of a gas lift under-balanced coiled tubing, which is applied in the technical field of petroleum well drilling. The through tubing operation way of the coiled tubing is adopted for carrying out under-balanced well drilling or low-pressure well drilling on target well sections at the lower part in a shaft with a drilled upper borehole, wherein the target well sections are a vertical well, a directional well or a horizontal well. The method has the following effects: the adoption of the through tubing operation of the coiled tubing can form three circulation channels by utilizing the coiled tubing, an oil tube and a sleeve, and a matching pipe column has good universality, does not need a special drilling column or an inner tube and does not need to use a rotary blowout preventer and other special equipment; a gas injection channel and a slurry injection channel are independent mutually, thereby being capable of more conveniently controlling the well bottom pressure and the under-pressure value and using an underground power drilling tool and a slurry pulse measurement system which are applicable to slurry well drilling to carry out well drilling operation and trajectory control; and the method does not need to be connected with a single and can keep the continuous circulation during the tripping process and the drilling process, and realize the full-process controllable under-balanced well drilling operation and the full-process controllable low-pressure well drilling operation.

The invention provides a panel heat pipe with an embedded porous wick and a manufacturing method thereof. The panel heat pipe comprises an upper metal cover plate, a lower metal cover plate, and a closed cavity is formed between the upper metal cover plate and the lower metal cover plate in a welded and sealed mode. The cavity is filled with liquid working media. The inner surface of the cavity is divided into an evaporation face and a condensation face. The condensation face and the evaporation face are paved with a thin-layer porous wick structure formed by sintering metal powder particles. Sintering porous columns with inner grooves which are distributed in an array mode are machined on the evaporation face. Porous protrusions matched with the inner grooves are machined in the condensation face. The sintering porous columns and the porous protrusions are in close fit to form an embedded porous structure column. A working medium backflow channel is formed in the embedded porous structure column. According to the panel heat pipe, the capillary pressure is improved, the working medium backflow speed is remarkably increased, vapor-liquid two-phase separation is achieved, and the heat transfer performance is greatly improved; meanwhile, the embedded wick plays a supporting column role, and panel heat pipe inward sinking or crack deformation or other problems are effectively avoided.

The invention provides a manufacturing method of a uniform temperature plate, comprising the following steps: covering a capillary tissue layer on the inner wall surface of a first plate body; combining two or more than two capillary support posts on the inner wall surface of a second plate body; mutually overlapping and hermetically jointing the first plate body and the second plate body, and forming a vapour containing cavity in a jointed body of the first plate body and the second plate body; filling work fluids into the vapour containing cavity, eliminating gas contained in the work fluids, and then closing an opening of the vapour containing cavity. Besides, the invention also provides the uniform temperature plate manufactured by the method. The service life of the uniform temperature plate in prolonged by enhancing the support strength of the uniform temperature plate, increasing the back flow speed of the work fluids, effectively thinning the uniform temperature plate and enlarging the vapour space inside the vapour containing cavity.

The invention discloses a fiber sintering type micro heat pipe and a manufacturing method thereof. The fiber sintering type micro heat pipe consists of a base pipe, a liquid suction core and a liquid working medium, wherein the liquid suction core is formed by solid-phase sintering for metal fibers. The manufacturing method for the fiber sintering type micro heat pipe mainly comprises four steps, namely preparation for the base pipe, processing of the metal fibers, manufacturing of the liquid suction core and precise encapsulation for the liquid suction core. After the metal fibers are sintered, metallurgical bonding is realized among the fibers and a large quantity of multi-scale pore structures are formed. The fiber sintering type micro heat pipe manufactured by using the method has the advantages of simple process, low cost, high porosity and controllability of the liquid suction core, high permeability, small liquid reflux resistance, large specific surface area of a metal fiber sintering layer, high capillary force and the like, and a stable three-dimensional meshed porous structure is formed among the fibers, so the fiber sintering type micro heat pipe is difficult to damage.

An apparatus for folding box blanks into completed boxes includes a feeding station having a swing guide assembly designed to provide an abutting surface which makes contact with flaps / panels of the box blank as the box blank is feed from the feeding station into a folding station. The swing guide assembly can be synchronized with a feed assembly which moves box blanks from a hopper assembly to a first feed position. Actuating drives operating at different speeds can be used to move the box blanks from the feeding station to a first and second folding station. Critical actuating motions used in the process of folding and advancing the box blanks can be performed at a different speed than other non-critical actuating motions.

The invention discloses a soaking plate comprising an evaporation plate, a condensation plate and a connecting plate. The evaporation plate directly faces the condensation plate. The connecting plateis used for connecting the evaporation plate with the condensation plate so as to form a closed cavity, and the closed cavity is filled with a working medium. The evaporation plate is provided with channels for conveying the working medium, and the channels are distributed in the circumferential direction of the evaporation plate and are divergent from the center to the edge of the evaporation plate. According to the soaking plate, the evaporation plate and the condensation plate are provided with bionic vein polygon micro-channel structures, the wall faces of the channels of the evaporation plate and the periphery of support columns are covered with lyophilic liquid sucking cores, thus the wall faces have lyophilic performance, capillary performance of the channel liquid sucking cores isimproved, and liquid sucking speed of the channel liquid sucking cores is increased. The wall faces of the channels of the evaporation plate and the periphery of the support columns are covered with lyophilic materials, liquid spreading is achieved progressively from the edge to the center of the condensation plate, the downward circulation speed of the working medium in main channels is increased, a working medium backflow path is shortened, working medium backflow speed is increased, and heat dissipation benefits are increased.

The invention provides a query method for distributed deployed heterogeneous database. The query method includes the following steps: receiving a database query request of an application program; determining a query type of this database query according to query information; determining if the query request is a primary request or not according to the query information; starting up a first thread corresponding to each query module of a query module set if so, and allowing each first thread to call a query interface of the corresponding query module to query data according to the query type; dividing query results of all the first thread according to the query module to which the first threads belong, and determining a result set according the dividing result; and acquiring a preset number of query results from the result set and sending the preset number of query results to the application program according to the query type. The query method can solve the problem of high load and high concurrency of the conventional data query system, improve the return speed of the query results, and then enhance the stability and the query efficiency of the system.

A solenoid for an electromagnetically operated valve includes a bobbin having a substantially rectangular or elliptical cross section, a pole plate stationary with respect to the bobbin, and an armature slidable within the bobbin in response to a magnetic field generated by the coil through the pole plate. A coil wound around the bobbin has a rectangular cross section which on a short axis side includes a width W. A relation between width W and a virtual cylindrical iron core of diameter D having the same cross sectional area as an armature cross sectional area is expressed as D=(0.4 to 0.8) W. A ratio of a length A of a long axis side of the armature to a length B of a short axis side of the armature has a range between 3.1≦(A / B)≦4.5.

There is provided a sports skills training device comprising a waist belt, a first elastic member and a second elastic member, in which a first end of the first elastic member is attached to the waist belt and a second end of the first elastic member is arranged for removable engagement, in use, with a first limb of the wearer of the device; a first end of the second elastic member is attached to the waist belt and a second end of the second elastic member is arranged for removable engagement, in use, with a second limb of the wearer of the device; and, the waist belt further includes means to restrain the waist belt in use against displacement under tension in the first and / or second elastic members. There are further provided uses of the device and methods comprising use of the device.

The invention discloses a loop soaking plate, and aims to provide the loop soaking plate with simple structure, low cost and higher generality and particularly suitable for high-heat-flux places. The loop soaking plate comprises a cover plate and a baseplate; the cover plate is fixed on the baseplate; a closed vacuum plate shell is formed between the cover plate and the baseplate; a first capillary structure layer and a second capillary structure layer are arranged in the plate shell; an evaporation cavity is formed between the first capillary structure layer and the second capillary structure layer; multiple support structures are vertically arranged between the first capillary structure layer and the second capillary structure layer; the first capillary structure layer is permeated with a liquid-state working medium; the plate shell is provided with at least one loop module for accommodating the working medium to flow; and the loop module communicates with the evaporation cavity.

The present invention relates to the field of metal processing equipment, in particular to a vertical metal processing machine, which includes a base, a column, a saddle, a workbench, a processing device, and a lifting drive device installed in the direction of the X-axis sliding on the saddle. Synchronous tool changing device, Y-axis driving device, X-axis driving device, Z-axis driving device, and collecting device for tool changing on one side; the synchronous tool changing device includes a head, a tool changing power mechanism and a rotatable tool magazine. The knife power mechanism drives and connects the knife magazine. The bottom of the head is equipped with a knife loading part, and a knife release mechanism is set beside the knife loading part. The knife magazine is equipped with multiple tool pockets for installing knives. The knife-loading opening is located directly below the knife-loading part. The base structure of the invention is stable, can bear the inertia generated by high-speed motion, has high machining accuracy and efficiency, and effectively improves the load that can be borne by machining.

The invention discloses a quick double-acting hydraulic cylinder which comprises a cylinder barrel, a large piston rod and a small piston rod. The large piston rod is nested in the cylinder barrel, an oil-free cavity is formed between the large piston rod and the cylinder barrel, the tail end of the large piston rod is fixed on the cylinder barrel through a pressing ring, the small piston rod is nested in the large piston rod, a first oil cavity and a third oil cavity are formed between the small piston rod and the large piston rod, a guide sleeve is arranged among two ends of the small piston rod and the large piston rod, an oil conduit is arranged in the small piston rod, a second oil cavity is formed among the large piston rod, the small piston rod and the cylinder barrel, the small piston rod is provided with a first oil inlet and a second oil inlet, a third oil inlet is arranged at the front end of the cylinder barrel, the cylinder barrel is provided with an exhaust port communicated with the oil-free cavity, and a bleed screw is arranged in the exhaust port. Compared with a common oil cylinder, the quick double-acting hydraulic cylinder in the structure is more compact in integral structure, large in pushing force and high in feeding speed and return speed, and normal running rate of mechanical equipment is increased.

This invention discloses a radiating device, which can be a uniform heat cavity combined with any heating components. The device includes a closed cavity and a capillary structure formed on the inside wall of said cavity, in which, said capillary structure includes multiple grooves formed on the inside wall of the cavity and porous powder sintered under high temperature on the inside wall , thus the radiating device has good capillary force of sintered capillary structure and penetrability of groove structure to speed up the radiation backflow of the working liquid and increase the radiation efficiency of the device.

The invention relates to a rock debris cleaning device for a drilling tool. The rock debris cleaning device for the drilling tool consists of a body, a rotating speed increaser and reaming protectors, wherein the body is a round steel pipe; an upper reaming protector, the rotating speed increaser and a lower reaming protector are arranged on an outer wall of the body; the rotating speed increaser is positioned between the upper reaming protector and the lower reaming protector; the rotating speed increaser consists of spiral blades and a debris discharging groove; the spiral blades are uniformly distributed by equal central angles; the upper reaming protector and the lower reaming protector consist of spiral protection blades which are uniformly distributed by equal central angles; a curved debris discharging groove is formed among the spiral protection blades; and a spiral angle of the rotating speed increaser, a spiral angle of the upper reaming protector and a spiral angle of the lower reaming protector are equal to one another. The rotating speed increaser can be protected by the reaming protectors, the wear of uneven walls of the well on the rotating speed increaser is reduced, even if the drilling tool is bent or buckled, the collision between the rotating speed increaser and the walls of the well also can be reduced, and the service life of the tool is prolonged.

The invention relates to the field of continuous girder construction, in particular to a hanging basket device for closure construction of continuous box girders, which solves the problem that the hanging basket device cannot return to the outside of a railway clearance to be detached during closure concrete construction above a railway. The hanging basket device comprises a head piece, a road wheel, a steel rail, an external mold truss, an external template, a bottom mold crossbeam, a bottom mold stringer, a bottom mold square timber and a bottom template; an external mold bearing crossbeam is arranged under the external mold truss, and is hung at two ends of the head piece through an external mold jack and an external mold suspender; two ends of the bottom mold crossbeam are connected with two ends of the top piece through a bottom mold jack and a bottom mold suspender; a bottom mold operating platform is suspended under the bottom mold crossbeam; an extended vertical member is connected under the external mold truss and is provided with upper and lower limiting U-bars and a platform U-bar; and an external mold bottom operating platform is erected on the platform U-bar. The hanging basket device has the advantages of simple structure, reasonable design, simple and convenient operation, good using effect, improvement of the returning speed and time and labor saving.

A method of processing slops including production of biogas characterized in that slops are exposed to anaerobic fermentation in a anaerobic fermenter under generation of biogas and at least a portion of the biogas containing methane and carbon dioxide is fed into a first photo-bioreactor, where the carbon dioxide or a part thereof is consumed during a photosynthesis process producing micro-algae and methane and the residual carbon dioxide are hen withdrawn for further processing.

The invention discloses a heat-pipe type ice-storing ice-melting cold-accumulating device and an ice-storing cold-accumulating air conditioner. The heat-pipe type ice-storing ice-melting cold-accumulating device is characterized in that an ice-storing box and a secondary refrigerant box of the heat-pipe type ice-storing ice-melting cold-accumulating device are vertically arranged in a box body upand down, the secondary refrigerant box is provided with a liquid inlet and a liquid outlet, and the ice-storing box is filled with water; multiple heat pipes pass through a partition plate so as to be evenly arranged in the ice-storing box and the secondary refrigerant box, and heat transfer materials are arranged in the ice-storing box and the secondary refrigerant box; a corrugated plate or foamed metal is utilized as the heat transfer materials, a heat pipe is a cylindrical hollow circular pipe with two enclosed ends, and the internal surface of the hollow circular pipe is provided with multiple trapezoidal groove channels; and the depth of each trapezoidal groove is 0.5-1mm, and the hollow inner diameter of the heat pipe is 25-75mm. Compared with the prior art, the device provided bythe invention has the advantages that the heat transfer efficiency is improved, and the flow resistance of the secondary refrigerant is small; and the heat transfer effect of the added corrugated plate or the foamed metal is improved; and the liquid in an ice-storing section exists in a brash ice mode, the phenomenon of overlong ice melting time is avoided, the corrugated plate or the foamed metal is utilized to improve the heat transfer efficiency.

A pedal device for a drum includes a base plate, a pedal, a chain, a pivot shaft, a beater, and an extension coil spring. When the pedal is freed from a depressed state, the urging force of the extension coil spring returns the beater from an operation position to a suspended position and returns the pedal to a standby position. A compression coil spring is arranged between the pedal and the base plate.

The invention belongs to the technical field of hydraulic equipment, and specifically discloses a two-way quick hydraulic cylinder. The two-way quick hydraulic cylinder comprises a cylinder barrel, apiston and a piston rod, wherein a sleeve is arranged at the outer side of the cylinder barrel; one end of the cylinder barrel is connected with a pushing rod; the other end of the cylinder barrel isconnected with a sealing disc; the sealing disc is in sliding and sealing connection with the sleeve; a plurality of oil conducting holes are formed in the sealing disc; one end of the sleeve is connected with a bottom disc; a plurality of first elastic pieces are connected on the bottom disc of the sealing disc; a central hole is formed in the shaft center of the bottom disc; the piston rod is fixedly connected with the bottom disc through the central hole; one end, connected with the pushing rod, of the cylinder barrel is in sliding and sealing connection with a fixed ring; the piston rod isin sliding and sealing connection with the central hole of the bottom disc; an oil outlet hole is formed in the cylinder barrel; and a through oil inlet hole is formed in the piston rod in the axialdirection. The two-way quick hydraulic cylinder is mainly used on hydraulic equipment, and solves the problem that telescopic length is inaccurate as a result of high telescopic speed at the last telescopic stage of the hydraulic cylinder.

The invention relates to a wave energy resonance high-negative-ionizing meridian point air therapy adhesive tape which is characterized in that rubber or plastic is doped with far infrared nano powder, negative ion nano powder and magnetic nano powder on one side of the adhesive tape to be blended into a material, and then, one 0.05-5.0mm-thick layer of regular or irregular bulges or decorative pattern bulges with various shapes is printed, compacted or sprayed on the surface layer of the adhesive tape. The adhesive tape is unique in structural design, is unique and novel in material selection due to the adoption of the one-layer structure or the bulges, and has the functions of energy permeation to meridian points, magnetic treatment, and biomagnetic field ordering. The adhesive tape also has the function of wave energy resonance high-negative-ionizing magnetic treatment and functions of enhancing qi-blood circulation, activating cells, perfecting the cranial nerve, relieving osteoproliferation and rheumatic arthritis and promoting the health of a human body, and can be widely used for being directly or indirectly applied onto various parts of the human body.

In a thermal conduction structure and its manufacturing method, the thermal conduction structure includes a vapor chamber, a heat pipe and a working fluid. The vapor chamber includes an upper casing, a lower casing, and a cavity formed between the lower and upper casings. The upper casing has a through hole communicated with the cavity and a first capillary tissue disposed on the internal surface of the upper casing. The first capillary tissue has a penetrating hole corresponsive to the through hole. The heat pipe includes a tube and a second capillary tissue disposed in the tube and extended out from the tube to define an exposed section, and the heat pipe is passed and coupled to the through hole, and the exposed section is passed through the penetrating hole to attach to the first capillary tissue. The working fluid is filled in the cavity.

Embodiments of the invention disclose a caching method, a query method, a caching apparatus and a query apparatus for database data. A mechanism of performing caching by determining a data calling frequency is established. Queried data with high called frequency are put into a cache; and when a query condition is input, the data with high called frequency are directly called from the cache, so that the data query time is shortened, the data returning speed is increased, and the resource utilization rate and the system performance are optimized.

A shape compliant gripper with which an atypical object having various shapes, sizes and materials can be picked. The shape compliant gripper comprises a body and a shape compliant module disposed on the body and having rigidity capable of being variably controlled. Further, the shape compliant module comprises a magnetorheological elastomer, a magnet part, and a control part for controlling a position of the magnet part with respect to the magnetorheological elastomer.

A kind of variable engine valve control system with pressure difference comprises hydraulic supply equipment, hydraulic actuator apparatus, valve and spring controlling piston balance. The hydraulic actuator comprises hydraulic cylinder, piston and piston rod. The piston rod is coupled and moved with the valve. It is characterized by that the said piston divides the hydraulic cylinder into upper chamber and lower chamber. The said hydraulic supply equipment is connected with the upper chamber of the hydraulic cylinder through the fluid inlet pipe and the said lower chamber of the hydraulic cylinder is connected with the hydraulic supply equipment through the pressure difference proportional relief valve. Utilizing pressure difference proportional relief valve as key control element, the height of the valve opening is not related to the pressure of the system, it only needs to change electric signal to vary the pressure difference of the upper and lower chambers of the piston thereby attain the object of making variable valve lift and timing at any time as required. Therefore, the system has fast response speed, simple structure, low cost, fine reliability, and less interference. Consequently, this invention can meet the requirement of higher operating speed of internal combustion engines. It can be popularized and applied in internal combustion engines.

The invention relates to a self-help charging and electric purchasing system that is made up of user card, electric self-help cabinet machine, electric self-help cabinet server, electric self-help cabinet machine database and electric corporation relative system. User could finish charging or electric purchasing server by using the user card. When user takes self-help operation, the cabinet machine reads the user coding information, and after identifying, the machine records user relative information and supply different server for user. The invention has the advantages of convenient, rapid and stability. It could realize unfailing server for 7*72 hours.

The invention discloses an LED streetlight, comprising a heat dissipating device and an LED light source; wherein, the heat dissipating device comprises a heat dissipating substrate and a heat sink; the LED light source comprises a heat-conducting stair and an LED chip on the stair; the heat dissipating substrate is hollow inside; the LED light source is positioned at the lower end of the hollow heat dissipating substrate; the inner wall of the hollow part of the heat dissipating substrate is axially provided with a heat-conducting channel which forms a loop; the lower end part of the heat-conducting channel is positioned at one end of the hollow heat dissipating substrate and the end is provided with the LED light source; fluid heat-conducting media are poured into the heat-conducting channel. With regard to the streetlight, the heat is rapidly dissipated to the heat sink by way of circulative convection and the liquefied heat-conducting media reflow by own gravity to achieve the effect of rapid heat dissipation, thus being a brand new heat dissipation technique.

The invention provides a bidirectional impact cylinder. The bidirectional impact cylinder is composed of a cylinder barrel, a sealing piston, a piston rod, a front end cover, a front middle cover and a back end cover, wherein the tail of the sealing piston and the piston rod are fixedly connected; the front end cover, the front middle cover and the cylinder barrel of the cylinder form a front air storage cavity; the front middle cover, the head of the sealing piston and the cylinder barrel form a rodless cavity; the tail of the sealing piston, the back end cover and the cylinder barrel form a rod cavity; a back middle cover is further arranged between the tail of the rod cavity and the back end cover, and the back middle cover, the back end cover and the cylinder barrel form a back air storage cavity; the outer side of the back middle cover is sealed with the cylinder barrel through a back middle cover first seal ring; and pressure in the front air storage cavity and the rod cavity acts on two ends of the sealing piston respectively, and the back air storage cavity acts on the piston rod return process. The bidirectional impact cylinder has the advantages that the back middle cover is arranged, the return speed of the impact cylinder is increased, the reverse impact force is improved, and the working efficiency is guaranteed; and the piston rod and the back middle cover are protected by a buffer air path of a breather pipe, the structure is simple, the operation is reliable, and the maintenance is convenient.

The present invention relates to a GPU3D engine on-chip memory hierarchy structure facing unified dyeing architecture. The structure comprises four layers of storage structures which are a register layer, an on-chip SRAM&L1Cache layer, an L2Cache layer and a display memory layer from top to bottom. The register layer is connected to the on-chip SRAM&L1Cache layer which is connected to the L2Cache layer or the display memory layer. The L2Cache layer is connected to the display memory layer. The data access delay in the graphics processing process can be effectively reduced, and the data bandwidth utilization rate of a display memory is improved.

The invention relates to a heat pipe and a heat-radiating device using the same. The heat-radiating device comprises a heat radiator, wherein the heat pipe is combined with a punch hole on the heat radiator by interference fit, the heat pipe comprises a pipe body and a capillary structure arranged on the internal surface of the pipe body, a bracket is arranged in the axial direction in the pipe body, the bracket is butted against the capillary structure in the pipe body and is erected in the pipe body to divide the internal space of the pipe body into multiple parts, and the external surface of the bracket is provided with a capillary structure. By using the bracket, the strength of the heat pipe is improved and the deformation produced in the combining process of the heat pipe and the heat radiator by interference fit is prevented.

A box folding apparatus for folding box blanks into completed boxes is capable of increased production rates by utilizing two or more separate servo systems that independently control the various actuating drive mechanisms associated with the advancing and folding of the box blanks along the production line. Certain actuating drive mechanisms to be operating at different speeds in order to reduce the lag time normally associated with prior art solid drive box folding machinery which normally operate at a single speed. Critical actuating motions used in the process of folding and advancing the box blanks can be performed at a different speed than other non-critical actuating motions.