113results about How to "Reduce bearing pressure" patented technology

The embodiment of the invention discloses a method for playing a ring back tone, which is used for initiating an audio call and realizing a function of playing the video ring back tone. The method disclosed by the embodiment of the invention comprises the following steps: calling user equipment initiates an audio call to called user equipment; the calling user equipment receives video ring back tone media negotiation information sent by a ring back tone platform after completing audio ring back tone media negotiation with the ring back tone platform according to the audio call; if the calling user equipment supports video ring back tone media, the calling user equipment carries out video media negotiation according to the video ring back tone media negotiation information and the media ability information of the calling user equipment to determine a video media negotiation result; and the calling user equipment sends the video media negotiation result to the ring back tone platform, wherein the video media negotiation result is used by the ring back tone platform to play the video ring back tone.

[PROBLEMS] The object of the invention to provide a power steering system capable of ensuring a sufficient accuracy of meshed-engagement between toothed portions of a worm gear without complicated machining to be made to an inside of a housing.[MEANS FOR SOLVING PROBLEMS] In a power steering system comprising a wormshaft (14), which is housed in a shaft housing portion (16) formed in a housing (11) and whose one end is rotatably supported by a first bearing (18a), a worm wheel (15) adapted to mesh with the wormshaft, a bottomed, substantially cylindrical bearing holder (21) configured to enclose and fit onto the first bearing for holding the first bearing, and a preloading means located in the bearing holder for preloading the first bearing in a direction of meshed-engagement of the worm gear, an adjustment-mechanism housing portion (40) is formed at one end of the shaft housing portion for housing and retaining the bearing holder, and a restriction wall (40a) is formed in the adjustment-mechanism housing portion (40) and arranged coaxially with the shaft housing portion for restricting a movement of the bearing holder at least in an opposite direction, which is opposite to the direction of meshed-engagement of the worm gear, and in a direction perpendicular to the opposite direction.

A rig transport system provides an air bearing subsystem supporting a drilling and workover rig. The transport system moves the entire rig without having to disassemble the rig, including leaving the derrick in a vertical standing position, along one of a pair of parallel tracks. The air bearing subsystem distributes the rig load over a large footprint to reduce ground bearing pressure. The air bearings lift the load so that the entire rig rides on a film of air, thereby reducing moving friction by up to about 96%.

An improved jack up vessel includes a hull, a plurality of legs, each leg having a pad, and a jacking mechanism for moving the hull upward and downward. Each leg is a generally triangular leg that is a closed wall, buoyant structure.

The invention discloses a manufacturing process for a bearing plate of a planetary carrier of an automobile CVT automatic transmission. The manufacturing process comprises the following steps: (1) blanking; (2) blank making before warm forging; (3) shot blasting; (4), warm forging and extrusion forming: heating a blank to 210+ / -20 DEG C, coating graphite, then continuing to heat to 820-860 DEG C, firstly upsetting and extruding and then performing backward extrusion forming to form a round plate and forming a metal ring vertically extending to one side on the edge of the circumference of the round plate, and then punching a central hole of the round plate; (5) residual heat annealing; (6) blank making and shot blasting after the warm forging; (7) lubricating treatment; (8) outer tooth forming by cold forging extrusion: placing the lubricated blank into a female die, and performing cold extrusion to form an outer gear ring; and (9) nitriding, wherein an effective oxide layer on the surface has a depth of 0.007-0.3mm. The manufacturing process is reasonable in technical route, metal flows are not cut off, a tooth surface strength of the product is high, raw materials are saved, and the production efficiency is high.

An iron phosphate preparation method relates to the field of new energy material preparation, and comprises the following steps: mixing a ferrous sulfate solution and a phosphorus source in proportion, performing stirring to react for 10-120 min, adding an adjusting solution, adjusting the pH value to 3-7, performing filtering and washing to obtain ferrous phosphate; transferring ferrous phosphate into a reaction kettle, adding an impurity removing agent and a complexing agent, supplementing a phosphorus source according to a ratio of P to Fe of 1: 1-1.5: 1, then adding an oxidizing agent which is obtained by oxidizing ferrous iron into ferric iron with a stoichiometric ratio of 1.0-1.5 times, adding an adjusting solution, adjusting the pH value to 1.5-3.5, carrying out heat preservation for 30-90 minutes, heating to 80-100 DEG C, performing forming for 30-180 minutes, and carrying out precipitating, filtering, washing and drying to obtain finished ferric phosphate dihydrate; and carrying out heat preservation on the Ferric phosphate dihydrate at the temperature of 400 DEG C- and 750 DEG C for 30-360 minutes to obtain an anhydrous iron phosphate finished product. Heavy metal ions can be efficiently removed, so that the purity of iron phosphate is effectively ensured.

The invention discloses a split networked intelligent temperature controller of a central air conditioner. The temperature controller comprises a control panel and a power supply board which are connected; the control panel comprises a temperature measurement module, a liquid crystal display module and a parameter setting module; and the power supply board comprises a power supply module, a relaycontrol module and an RS485 interface circuit, wherein the power supply module supplies power to the relay control module and the control panel. A single micro control unit (MCU) structure is adoptedin the temperature controller, and the front panel and the rear panel are split in the design; and by adopting the single MCU, the defect that a wiring tube of the traditional temperature controller is not easily connected to centralized (remote) monitoring of the central air conditioner is overcome, the dependency of civil engineering is reduced, the use safety is promoted, the universal applicability of any standard junction box is enhanced, and the networked expansibility of the system is exploited.

A compressor includes a closed container housing a compression element driven by the shaft of a motor. The compression element includes a first and second bearings supporting first and second shaft portions, and at least one cylinder having at least one cylinder chamber disposed between the first and second bearings. At least one roller is fitted to the shaft in the at least one cylinder chamber. The first bearing is disposed closer to the motor than the second bearing. The first and second bearings have first and second annular grooves opened to the at least one cylinder chamber and first and second elastic portions provided in first and second opposing surfaces, respectively. A diameter of the second shaft portion is smaller than a diameter of the first shaft portion. A rigidity of the second elastic portion is smaller than a rigidity of the first elastic portion.

A belt plough assembly (10) is used to deflect material on a conveyor belt (15). The belt plough assembly (10) comprises a support structure (11), and a blade (13) operatively positioned by the support structure (11) on the material carrying side of the conveyor belt (15) and orientated to deflect or redirect outlying material on a conveyor belt back inside the alignment of the skirts. The support structure (11) comprises a housing having an upright slot (12) within which the blade (13) is slidably mounted. The blade rests on the belt (15) under its own weight, but is freely movable relative to the support structure (11). This enables the blade (13) to maintain contact with the belt (15) and follow any undulations in the belt, and self-adjust for wear on the blade. A damper (16) may be provided for damping movements of the blade.

The invention discloses a novel deburring device for the ceramic dielectric chip of a high-voltage ceramic capacitor. The novel deburring device comprises a workbench and is characterized in that an air cylinder is vertically connected to the left side of the top of the workbench, a hanging bracket is connected to the top end of the air cylinder in a threaded and sleeved manner, a vertical upper support column is connected to the right side of the bottom of the hanging bracket, a horizontal lower pressing plate is connected to the bottom of the upper support column, a pressure center is embedded into the center of the bottom of the lower pressing plate, an upper die seat is rotatably connected to the outer side of the lower pressing plate through a slide rail, upper cutters are evenly symmetrically connected to the inner side of the bottom of the upper die seat, and a vertical annular positioning pin is arranged on the outer side of each upper cutter. The novel deburring device is simple in structure, stable and reliable, convenient to mount and demount, simple to operate, capable of simultaneously performing even and thorough chamfering on the top and the bottom of the ceramic dielectric chip, capable of stably fixing the ceramic dielectric chip, capable of preventing the displacement of upper and lower die seats, capable of increasing chamfering quality, capable of reducing motor bearing pressure and load and capable of increasing equipment operation stability.

The invention discloses an elevator mounting device assembly capable of being used for a shaft-free building and an elevator mounting method. The elevator mounting method comprises the following steps that 1), bottom steel plates are laid; 2) a first set of supports and a degree-of-parallelism guiding rule are mounted; 3), a second set of supports and a degree-of-parallelism guiding rule are further mounted; 4), a third set of supports and a degree-of-parallelism guiding rule are further mounted; 5), fixed mounting of later support sets and top supports is further completed; 6), the top supports and the top floor are fixedly connected; 7), elevator guide rails are mounted on box iron; 8), mounting of an elevator car and a counterweight device is completed; 9), support fixing pull rods are mounted; and 10), a traction machine platform is mounted, and system debug is conducted. By means of the elevator mounting device assembly and the elevator mounting method, the elevator transformation mounting of the shaft-free building in an old type community can be completed, and the elevator mounting device assembly and the elevator mounting method have the beneficial effects that on the premise of guaranteeing the operating stability and safety of an elevator, the structure is simple and practical, the occupied space is small, and mounting is convenient and accurate, and the safety factor in the mounting process is higher.

The invention discloses a vibration reducing and pressure bearing damping structure for a blade root platform of movable blades. The vibration reducing and pressure bearing damping structure for the blade root platform of the movable blades comprises an impeller, the movable blades and a plurality of damping blocks. The blade roots of the movable blades are mounted on the impeller. A plurality of impeller grooves and a plurality of blade root platform grooves matched with the impeller grooves are formed in the impeller and the blade root platform of the movable blades respectively. Each impeller groove and the corresponding blade root platform groove form an installation groove. The multiple damping blocks are sequentially mounted in the corresponding installation grooves. During operation, the damping blocks make close contact with the blade root platform, so that dry friction damping is formed; when the blades are subjected to shock excitation under the action of airflow force, the damping blocks move relative to the contact surfaces between the damping blocks and the blade root platform, so that dry friction force is generated, the vibration level of the blade root platform is reduced, and vibration reducing effect is achieved. Meanwhile, not only all teeth of the impeller make contact with the blade roots to bear the centrifugal force of the blades, but also the damping blocks make contact with the blade root platform to share the centrifugal force of the blades. The vibration reducing and pressure bearing damping structure for the blade root platform of the movable blades is simple, convenient to assemble and disassemble, and capable of effectively increasing the damping of the blade root platform, reducing the vibration of the blades and improving the safety stability of a unit.

A leg lift device is provided for attachment to a shoe and includes a sole, a lift insert and a shoe receiver attached to the sole. The shoe receiver includes a first section to engage a toe of a shoe and a second section to engage a heel of a shoe. The device also includes an attachment strap. A selected method is also provided. The device is used to reduce the physiological strain placed on the knees, hip and back of the patient when walking by arranging the therapeutic device and the leg lift device by arranging the height of the device and show to match that of a therapeutic device on the opposite foot. Also, the lift insert can include a transverse edge at either the front or rear which recessed from a corresponding edge of the sole plate to reduce pressure on the foot in these areas.

The invention discloses an assembled mobile desk that is easy to disassemble, which includes table legs, front table legs, side table legs, universal wheels, telescopic outer barrel, metal reinforcement layer, sliding inner rod, clamping column, clamping hole, Universal wheel roller, table board; the beneficial effects of the present invention are: the universal wheel of the present embodiment can stretch out and contract as required, when the universal wheel stretches out, it can facilitate the movement of the desk, when the desk is not When it needs to be moved, just move the sliding inner rod upwards on the telescopic outer barrel. In this way, the universal wheel will not bear the weight of the desk for a long time, which reduces the bearing pressure of the universal wheel. In addition, the table legs and the table board in this embodiment are slidingly connected by a slot and a projection, which is convenient for installation.

A separating device formed with rotationally driven components and stationary components has at least one crop-treatment element for processing crop. The crop-treatment element extends transversely to the rotational direction (R) of the components, at least in sections. The crop-treatment element has a substantially cuboid cross-section and a front edge with a curved course optimized in terms of flow, and which faces a rotational direction (R) and away from a conveyance direction (FR) of the crop.

The invention discloses flower wax, honey and flavone part extracted from a byproduct in the abelmoschus manihot pharmaceutical manufacturing process, as well as a preparation method and application thereof. According to the preparation method, in the abelmoschus manihot preparation producing process, precipitate and suspension which are separated after the extracting liquid obtained by hot ethanol extraction is coolec are used as raw materials, and are extracted with a low-polarity organic solvent; the solvent is reclaimed from the extracting liquid, and saponified to prepare flower wax; the remained residue is separated with polyamide column chromatography to respectively prepare honey and flavone part to respectively prepare functional cosmetic matrix, health-care soap base, livestock and poultry health feed and anti-oxidation functional products. By adopting the method, the byproduct generated in the abelmoschus manihot preparation producing process is used as the raw material and separated to prepare available substances, so that waste is turned into valuables, and resource utilization can be achieved. The preparation method is low in raw material cost, can provide an approach to harmless effective disposal of waste, and lays a foundation for sustained development and industrial chain recycling of abelmoschus manihot medicinal resource industry.

The invention discloses an abelmoschus manihot stem and leaf polysaccharide and a preparation method and an application thereof. The preparation method comprises the steps: extracting, carrying out ethanol precipitation, carrying out chromatography purification with a macroporous adsorption resin column, separating with a hollow cellulose membrane, carrying out chromatography separation with a DEAE cellulose resin column, collecting target fractions, carrying out desalting treatment, freeze-drying, and thus obtaining the abelmoschus manihot stem and leaf polysaccharide. The abelmoschus manihot stem and leaf polysaccharide has the weight-average molecular weight of 13821 Da and is composed of rhamnose, mannose, galactose, galacturonic acid, glucose and arabinose, and the molar ratio of rhamnose to mannose to galactose to galacturonic acid to glucose to arabinose is 1 to 0.53 to 0.12 to 0.05 to 0.16 to 0.03; the abelmoschus manihot stem and leaf polysaccharide has a good immune enhancing activity, and can be used for development of immune enhancing drugs and health food. Stem and leaf waste resources produced in a production process of abelmoschus manihot medicinal materials are used as raw materials, the polysaccharide substance having the immune activity is separated, and a basis is laid for cyclic utilization of the traditional Chinese medicine resources.

The invention discloses a data transmission method and device, and a storage medium and an electronic device. The method comprises the following steps: a first server receiving a first data request sent by a client logged into the first server, wherein the first data request is used to request to display a current running scenario of a second server on the client; the first server sending a seconddata request to the second server, wherein the second data request is used to request to acquire data in a current running scenario of the second server; the first server acquiring data in the current running scenario returned by the second server in response to the second data request; and the first server sending data in the current running scenario to the client. The data transmission method and device, and the storage medium and the electronic device solves the technical problem of high load of the server during data transmission in the prior art.

The invention discloses a folding type seat. According to the key points of the technical scheme, the folding type seat comprises a base, a backrest skeleton arranged on the base and a seat cushion skeleton arranged on the lower side of a backrest hanging frame; the backrest skeleton is slidably arranged on the base, and a lifting device drives the backrest skeleton to slide up and down in the vertical direction; the backrest skeleton is provided with a rotating device which drives the seat cushion skeleton to rotate along a horizontal rotating shaft in the vertical direction; and a connectingrod mechanism is hinged to the lower side of the seat cushion skeleton, and when the seat cushion skeleton rotates to the horizontal state, the seat cushion skeleton is supported by the connecting rod mechanism. Through the connecting rod mechanism arranged on the lower surface of the seat cushion skeleton, when the seat cushion skeleton rotates to the horizontal state, the seat cushion skeletonis supported on the ground by the connecting rod mechanism, and meanwhile, during rotating, the seat cushion skeleton produces pulling force to the connecting rod mechanism, so that abnormal sound generated when the connecting rod mechanism makes contact with the ground is small.

The invention relates to the technical field of drainage well chamber, in particular to a well chamber of glass fiber reinforced plastic sand inclusion. The invention comprises the well chamber and a cover plate, and the well chamber is formed by winding reinforced thermosetting resin quartze sand inclusion with glass fibers, wherein the upper part of the well chamber body is provided with the cover plate, and the lower part of a well chamber main body is provided with a base plate; and the well chamber main body is provided with a water distributed pipe interface. Compared with the prior well chamber, the well chamber has the characteristics of excellent corrosion resistance and long service life, excellent watertight anti-permeability performance and no leakage forever; roughness of the inner surface is far lower than that of the prior well chamber, and the well chamber further has the characteristics of high compressive strength, short construction period, light deadweight, low requirement on basic bearing capacity, and can be operated with water and can regularly desilt without dead corner. The well chamber has the advantages of simple structure, large water-collecting amount, small measuring pressure, large bearing capacity, small absolute roughness of the inner surface, and large circumferential and axial tensile strengths. Once entering the market, the product brings the considerable economic effect and social benefit to the field with promising market prospect.

The invention provides a high-rise type suspension type micro-vibration equipment construction structure. The structure comprises a rigid supporting structure, an air floatation control system and ananti-micro-vibration T-shaped table (16); the rigid supporting structure comprises a foundation beam structure, a first-layer supporting structure and a second-layer supporting structure, wherein a foundation beam is connected with the first-layer supporting structure through first-layer supporting columns (3), the first-layer supporting structure and the second-layer supporting structure are connected through second-layer supporting columns (10), the first-layer supporting columns (3) are connected with the foundation beam, and the six circular-section concrete stand columns are arranged in total; the air floatation control system comprises an air floatation system (14) and a limiter (15); the air floatation system (14) is an independent air spring structure and is composed of a mechanical height valve, a main air chamber, an additional air chamber, an air inlet and an air outlet; the limiter (15) is arranged between the anti-micro-vibration T-shaped table (16) and the air floatationsystem (14); and the anti-micro-vibration T-shaped table (16) provides a supporting platform structure with a certain balance weight and a rigid body characteristic for the air floatation system (14),and radar detection equipment is placed on the anti-micro-vibration T-shaped table (16). The invention further provides a corresponding equipment construction method.

The invention provides a battery and a preparation method thereof. The battery comprises a battery cell and an electrolyte, and the battery cell comprises a positive pole piece, a negative pole pieceand an isolating membrane. In the battery, salient points are arranged on the surface of a positive electrode diaphragm and / or a negative electrode diaphragm, wherein the heights of the salient pointsarranged on the surface of the positive electrode diaphragm are Tc, the heights of the salient points arranged on the surface of the negative electrode diaphragm are Ta, the thickness increase amountof the positive electrode diaphragm when the state of charge of the battery is 100% SOC is Hc, the thickness increase amount of the negative electrode diaphragm when the state of charge of the battery is 100% SOC is Ha, and 0.3<=(Tc+Ta) / (Hc+Ha)<=1. According to the invention, the expansion force of the battery in the whole life cycle can be effectively reduced, so that the battery has the characteristics of the high safety and the long cycle life.

A multi-helical ball sleeve structure includes a cylindrical ball sleeve formed with a plurality of through holes, and a plurality of balls each received in a respective one of the through holes. The through holes are arranged in an oblique and helical manner. Thus, the multi-helical ball sleeve structure can enhance the lifetime and increase the working efficiency.

The invention discloses a flexible shield support excavation integrated supporting coal-pillar-free mining method of a steep medium-thickness coal seam. Flexible shield supports the same as those on a working face are used in a section drift for supporting; flexible shield supports of a section air return drift above the working face are naturally transited into the working face; flexible shield supports in the working face are naturally transited into a goaf below the working face to be maintained into a section transport drift which serves as an air return roadway of a lower section; the section air return drift is not tunneled any longer during recovery of the lower section; at the same time, a procedure of mounting and removing the flexible shield supports on the working face is canceled; mounting and removal of chambers and roadways related to subsidiary transport on the working face are canceled; the workload is reduced; the yield is increased; the advance speed of the mining working face is increased; normal replacement between the upper and lower sections is ensured; section coal pillars are canceled; a recovery ratio is increased; the natural fire danger in the goaf is reduced; and a reliable safety assurance is provided for the recovery work.

The invention discloses a traffic information acquisition and processing system based on road monitoring. The system comprises a mounting plate, a front camera, a rear camera, a panoramic camera, a noise monitoring device, a tail gas monitoring device and a radar speed measuring device, wherein a first supporting frame is arranged above the mounting plate, and the front camera is arranged at the top end of the first supporting frame; a second supporting frame is arranged above the mounting plate, and the rear camera is arranged at the top end of the second supporting frame; a third supportingframe is arranged above the mounting plate, and the panoramic camera is arranged at the top end of the third supporting frame; and a fourth supporting frame is arranged above the mounting plate, the noise monitoring device is arranged at the top end of the fourth supporting frame, the tail gas monitoring device is arranged on the mounting plate, and the radar speed measuring device is arranged onthe mounting plate. According to the system, the front camera, the rear camera and the panoramic camera are arranged, so that road surface damage conditions and road congestion conditions are photographed for record.

The invention discloses a welding spot protecting structure of a condensation heat exchanger. The welding spot protecting structure is characterized in that a gas fume isolating cavity is formed around a welding spot of a heat exchange water pipe and completely encircles the welding spot, and a shell of the gas fume isolating cavity does not make contact with the welding spot. The gas fume isolating cavity is formed by an isolating baffle and a shell of the condensation heat exchanger in a defined mode, and the isolating baffle and the heat exchange water pipe are fixed through welding. In this way, high-temperature high-humidity gas fume in the condensation heat exchanger does not make direct contact with the welding spot and only makes contact with the welding seam between the isolating baffle and the stainless steel heat exchange pipe in the actual working process, as the welding seam does not bear pressure, the corrosion resistance of the welding seam is good, the welding spot is effectively prevented from being corroded, and the service life of the welding spot is prolonged.