241results about How to "Flexible selection" patented technology

The present invention relates to inside and outside setting signal switching method. It contains detecting external playback device and microphone whether in position in microphone signal and earphone signal sharing one audio frequency socket equipment, according to detecting result, selecting outputting voice signal to built-in or external playback device, when external playback device in position, outputting voice signal to external playback device; according to said external microphone in position detecting result, selecting built-in or external microphone signal to make inputting, when external microphone in position, selecting external microphone signal to make inputting.

The invention discloses nondestructive on-line quality inspection equipment and method applicable to powder spreading type additive manufacturing and belongs to the field of nondestructive inspection.A forming assembly of the equipment is provided with a power spreading quality inspection module, a constituent inspection module, a defect inspection module, a deformation inspection module, a stress inspection module and a dimensional precision inspection module. All the modules can work separately and simultaneously; and the nondestructive on-line quality inspection equipment is high in use flexibility. By means of the equipment, comprehensive integrated inspection is conducted on powder spreading quality, component constituents, defects, deformation, the stress and dimensional precision in the powder spreading type additive manufacturing and forming process; powerful guarantee can be provided for the forming process of metal components of different materials, dimensions and structuresand in different shapes, and thus the excellent-quality metal components are manufactured one time efficiently; the yield can be increased to a certain extent; and economic losses are reduced. The nondestructive on-line quality inspection equipment and method can be widely applied to manufacturing of various types of powder spreading type additives of heat sources utilizing laser, electron beams,plasmas and the like.

The invention relates to a recovering method and a recovering system for hydrocarbon and other volatile organic matters in refineries, chemical plants, large bulk plants, refuelling stations and the like. Oil gas is absorbed by two sections of stuffing in an absorption tower and then enters two activated carbon adsorption towers which run alternately; the oil gas reaches the standard after being absorbed by activated carbon, and then is discharged to the air; after the substance that is generated after desorption of the activated carbon is condensed and treated through oil-water separation, the obtained hydrocarbon liquid is conveyed to a storage tank, generated sewage is conveyed to a sewage treatment device to be treated, and a small amount of gas that is not condensed returns to the absorption tower; solvent that absorbs oil gas enters a desorption tower so as to desorb solvent and oil gas; and the hydrocarbon liquid is conveyed to the storage tank to be stored. The method and the system, which are provided by the invention, have the characteristics of smaller investment, longer operation period of equipment, high oil gas recovery rate and simple technological process.

Provided are a receiver and a receiving method for a scalable bandwidth in a mobile station of an Orthogonal Frequency Division Multiplexing (OFDM) system. The receiving method includes the steps of: (a) filtering a received RF signal; (b) oscillating a frequency according to a center frequency control signal to output a local oscillation frequency; (c) down-converting the filtered RF signal by using the local oscillation frequency; (d) scalable-filtering the down-converted signal while adjusting a bandwidth according to a bandwidth control signal; (e) controlling gain of the scalable-filtered signal; (f) converting the gain-controlled analog signal into a digital signal by using a sampling frequency matching with a corresponding bandwidth according to an ADC control signal; and (g) demodulating the converted digital signal, outputting the center frequency control signal, the bandwidth control signal, and the ADC control signal according to control information received from an upper layer.

The invention provides a self-selective differential-steering conveying device, which comprises an upper course input mechanism (1), a differential conveying mechanism (2) and a lower course output mechanism (3) which are connected in sequence, and guide guardrails(4,4') which are arranged on both sides of the upper course input mechanism, the differential conveying mechanism and the lower course output mechanism; the distance between the two guide guardrails(4,4') is larger than the diagonal length of the conveyed materials with minimal dimension and is less than the diagonal length of the conveyed materials with maximal dimension; the differential conveying mechanism consists of two conveying mechanisms (2a, 2b) with different conveying speeds in parallel; and the conveying surface (3a) of the lower course output mechanism is a web roll conveying surface. When the conveying device conveys the materials with different outside dimensions, the conveying device does not need to be provided with detecting equipment, can automatically turn the materials with smaller dimension 90 DEG and then output the materials, and can output the materials with larger dimension without turning so as to solve the problems that the equipment investment is large, the system resource is consumed, the equipment service life is influenced, and the like.

The invention relates to a washing machine detergent adding device, which comprises a water injection tank and a distributor, wherein a main washing box and a softening agent box are arranged in the distributor; and a removable liquid detergent box with a siphon unit is also arranged in the main washing box. The invention also relates to a washing machine and a washing method applying the device. A detergent adding process comprises the following steps of: a box placing step: putting the liquid detergent ox into the main washing box of the distributor; a detergent storing step: adding liquid detergent into the liquid detergent box; and an adding step: starting to wash, injecting water and adding the liquid detergent into a cylindrical washer. A user can conveniently select to use solid or liquid detergent, the effective use of the detergent is ensured, and the washing quality is improved.

The invention relates to a method for preparing a cationic surface sizing agent emulsion, comprising the following steps that: a polymer colloid stabilizer solution A is obtained by uniform mixture of a polymer colloid stabilizer and water; the polymer colloid stabilizer solution A is added with a cationic etherifying agent, and a modified polymer colloid stabilizer B is obtained by utilization of alkali to adjust the pH value of the mixture to between 7 and 14 and then utilization of acid to adjust the pH value of the mixture to between 1 and 6; a solution C is obtained by uniform mixture of a vinyl monomer and a self-crosslinking monomer; an initiator water solution D is obtained by uniform mixture of water and water-soluble initiator; a solution E is obtained by uniform mixture of the modified polymer colloid stabilizer B and water; and the cationic surface sizing agent emulsion is obtained by heat insulation and reaction after addition of a cationic monomer, the solution C and the initiator water solution D into the solution E. The method solves the problem in the prior art that the surface strength, the folding resistance and the solvent resistance of polymers can not be simultaneously considered so as to make the application range of secondary fibers be limited. The cationic surface sizing agent emulsion has good binding property and film-forming property; the variety of raw materials is wide; and the selection is flexible.

The invention relates to a static suspension six-axis micro accelerometer and a manufacturing method thereof. The micro accelerometer has a sandwich type three-layer bonding structure which consists of a lower stator, a suspension mass block and an upper stator, wherein in the upper stator in the lower stator, glass is used as a substrate; the suspension mass block is positioned in a bonding cavity between the upper stator and the lower stator; the suspension mass block is positioned in the center of the bonding cavity and does not contact the upper stator or the lower stator to translate along the X axis, Y axis and Z axis or rotate on the X axis, Y axis and Z axis; and the center of the suspension mass block is an original point O of an inertia coordinate system OXYZ, and the OZ direction is perpendicular to a plane on which the upper stator and the lower stator are positioned. The static suspension micro accelerometer which is provided with the square mass block, has a six-axis acceleration measuring function and is high in sensitivity is manufactured on the basis of a non-silicon micro-electromechanical system (MEMS) process. The method is easy, convenient, flexible and low inmanufacturing cost.

The invention discloses a cantilever beam structure of an antique plank road along a cliff and a construction technology thereof. The cantilever beam structure is formed by an H-type steel assembly, and a rock bolt assembly fixedly anchored on the rock wall of a mountain in a combining way, wherein the H-type steel assembly is formed by the combination of a steel backing plate (2) and H-type steel (3); the H-type steel (3) is welded on the steel backing plate (2) vertically and serves as the supporting beam of a road panel (7) of the antique plank road along the cliff; the rock bolt assembly is formed by the connection of rock bolts (1), bolts and nuts; and the rock bolts (1) are welded with the bolts in a surfacing manner. The construction technology of the cantilever beam structure is as follows: ensuring the position of the cantilever beam according to the design graph paper; eliminating the weathering surface and fractured rock mass of the locating-point rock surface, and scabbling and leveling; ensuring the length of the rock bolts (1) and drilling holes in the rock bolts; filling cement mortar into the rock bolt holes and inserting the rock bolts (1) welded with anchor heads; mounting the H-type steel assembly on the rock bolts after the cement mortar is solidified to a degree of the designed strength; and fastening with bolts. The cantilever beam structure is safe and reliable in structure, simple and convenient in construction technology, quick in speed, low in engineering cost, and good in simulating of the style of the antique, and is suitable for application along the cliff.

The invention discloses a training method and a system of a corpus. The corpus is obtained by a web crawler and the type of the corpus is screened. Word segmentation and sentence segmentation are carried out on the selected text corpus. Pinyin and phonetic notation are carried out on the text corpus after the participle clause; inputting the text corpus and its corresponding phonetic alphabet intothe language model for training to obtain the classification corpus pool or classification corpus; it is not necessary to configure a special recording studio and spend a lot of time to record the corpus, but to obtain the corpus directly through the web crawler and to process the corpus by word segmentation, sentence segmentation and phonetic notation, so that the required corpus pool or corpuscan be obtained with lower cost and better versatility.

The invention discloses an anti-blocking explosion-proof valve which comprises a piston, a valve body, a spring and a connecting shaft. A first through hole is formed in a connecting shaft in a penetrating mode, and a protective cover is installed on the valve body around an outer side of the spring. The valve body comprises a plurality of first air leakage gaps corresponding to the protective cover, and first air holes are formed in a cavity between the first air leakage gaps and the protective cover. The piston comprises a piston body, a breathable membrane and an upper cover, a second through hole longitudinally penetrates through the piston body and corresponds to the first through hole, a plurality of through grooves horizontally penetrate through the second through hole and are connected with the second through hole, and second breathable holes are formed in cavities between the through grooves and the upper cover. The invention further discloses a preparation method of the anti-blocking anti-explosion valve. According to the anti-blocking explosion-proof valve, the protective cover is arranged on the outer side of the spring such that combustion eruption objects are effectively prevented from accumulating and adhering to the spring to shorten the compression stroke of the spring, and the opening effect and the exhaust pressure relief efficiency of the explosion-proof valve are prevented from being affected.

A wireless router is provided, which includes: a wireless Access Point (AP) module, connected to a terminal equipment through a wireless link, and configured to implement wireless access of the terminal equipment; a station (STA) module, connected to a wireless AP in a fixed network through a wireless link, and configured to connect the terminal equipment to the Internet by using the wireless AP in a fixed network; and a wireless modem module, connected to an access device in a mobile network through a wireless link, and configured to connect the terminal equipment to the Internet by using the access device in a mobile network. According to the technical solutions, a Wireless Local Area Network (WLAN) STA module, an AP module, and a wireless modem chip construct a wireless router to provide not only an AP function but also an STA function. The terminal equipment may be connected to the wireless router, and selects a fixed network hot spot or a wireless modem to access the Internet.

The invention relates to a heating startup system for a coal mine ventilation air methane oxidizer and belongs to the technical field of low concentration methane reverse-flow oxidation. A hot air generation and adjustment system consists of a fan, a flow control valve, an air inlet, a burner, a hot air temperature adjusting chamber, a thermoelectric couple and ultrahigh temperature valves and is arranged on an external part of an oxidizer body. A hot air distribution header pipe is arranged in a central part of the inside of the oxidizer body and is inserted into a hole on a ceramic heat accumulator. Inlet ends of the hot air distribution header pipe are connected through the ultrahigh temperature valves. Two sides of the hot air distribution header pipe are connected with a plurality of hot air distribution branch pipes which are inserted in holes on the ceramic heat accumulator. To start heating, high temperature generated by the burner and air supplied by the fan are mixed in the hot air temperature adjusting chamber and, after temperature adjustment, heat accumulating ceramic through the hot air distribution header and hot air distribution branch pipes. The system has the advantages of high reliability, low price, easy maintenance, flexible fuel, small power load and so on and improves the stability of the operation of an oxidizer.

The invention discloses a method for detecting the communication state of a CAN bus component, which comprises the steps of: refreshing data in a target address when current frame component data is received; writing a specific value into the target address when current data in the target address is a non-specific value, and beginning the timing; judging whether the preset time arrives when the current data in the target address is the specific value; sending an alarm signal if the preset time arrives; and receiving next frame component data if the preset time does not arrive. The method can alarm when the component has abnormal communication; and the writing and refreshing of the specific value in the target address are easy to realize and do not depend on specific components, which enlarges the selection range of the components and ensures that the design of the system and the model selection of the components are more flexible. On this basis, the invention also discloses a device for detecting the communication state of the CAN bus component.

The invention discloses a parallel hybrid automobile engine starting method and system. The parallel hybrid automobile engine starting method comprises the steps of determining engine torque expectedvalue and engine rotation speed expected value according to automobile speed, gear and accelerator pedal state, which are obtained in real time under a sliding condition; when the engine torque expected value is larger than or equal to a preset torque threshold, controlling a driving motor to drive a transmission system and tow an engine; when the engine torque expected value is less than a presettorque threshold, obtaining the current SOC value; according to the relation between the SOC value and a preset electric quantity threshold, controlling the driving motor to tow the engine to different rotation speed values; after detecting that the engine is towed to a stable working condition, controlling the engine to ignite; and controlling output torques of the driving motor and the engine to alternate with each other so as to finish the starting of the engine. According to the parallel hybrid automobile engine starting method and system, the requirement of a hybrid automobile on accuracy control of the engine starting in the process from sliding to accelerating is satisfied and model selections of the motor and a battery are comparatively flexible so that lower development cost is realized.

The invention relates to a stationary bed boiler preheated vertically and burnt sectionally at a low temperature. A vertically-preheating and sectional low-temperature burning method is utilized. Coal is preheated to approach a burning temperature by a vertical preheating plate before falling into a fire grate and is subjected to destructive distillation, main burning, burning out and cooling after falling on the fire grate, and ash obtained after the coal is burnt out falls into a slag room and discharged by a slag discharging screw. Independent adjustable air blowers are adopted for air supplying in air chambers, so that every area in a coal layer can obtain different air sources optimal in air pressure and air capacity. In every stages from vertical preheating and falling into the fire grate of the coal, the highest temperature of the coal layer is controlled to be not over 1100 DEG C, ash softening is avoided during the whole process of burning, good ventilate performance of the coal layer is guaranteed throughout, and burning out of fuel is ensured. Burning heat efficiency of the stationary bed boiler preheated vertically and burnt sectionally at the low temperature is greatly improved and is comparable with that of a fluidized bed boiler, and the advantages like low power consumption, less abrasion and simplicity in operation of the stationary bed boiler are reserved.

The invention is a novel fabricated light framework plate, and relates to a fabricated framework plate with light weight, which is mainly applied to the fields of inner and outer wall plates and roof panels of various types of steel structure engineering. The novel fabricated light framework plate which is easily, conveniently and rapidly manufactured according to the standard industrialized production, is provided with two to a plurality of structure stress core filling frameworks which are filled with gel materials and are configured longitudinally according to different plate widths, plate spans and load requirements, and then a plurality of horizontal structure stressed core filling frameworks are pulled and connected horizontally so as to form a sealed stressed framework; then the upper part and the lower part of the framework are bonded with commercially available standard plates by high-intensity building structure glue; certain pressure is applied to the plate surface to cure so as to form a finished product; the plate is of a hollow grid structure, and is provided with an immobile air layer, insulates sound and preserves temperature, and saves materials; the manufacture method through a dry method is simple in process and rapid without consuming a great amount of water and electricity; the novel fabricated light framework plate is less in device investment, and large-scale industrial production is easy to carry out.

The invention discloses a construction technology of a closure section for a rotary continuous beam for an overpass electrified railway and a hanging basket thereof. The construction technology comprises the steps as follows: the hanging basket is designed; a place of a T-shaped structure on one side is selected for assembling a suspension bracket outside an existing railway; a protection bottom plate is laid under a template, and dense screens on both sides are hung on the outer sides of a scaffold; assembling reinforcement and casting closure are carried out; when the template is dismantled, the template is released firstly, an anchoring system of a main pier is cut off, a connecting system positioned outside a wing plate is still kept at the moment, finish rolling deformed steel bars are lengthened on the top surface of the beam to penetrate through the variable cross-section of a beam body so as to lead the template to retreat to the other side, and then the template is dismantled; in addition, a dynamic system adopts bar reinforcement rings that are pre-buried in the beam body, and the template can move through a chain block. Through the adoption of the movable hanging basket, the construction technology for the hanging basket is simplified, the construction security risk of the existing railway is reduced, skylight point construction above the existing railway is more flexible, and the construction period of the closure section is shortened.

Through laser scanning process and by means of the surface diffusion wave interference of single laser beam on the surface of some material, straight line channel strength is formed on the surface ofthe material and holographic grating in different interval and different depth may be made. After the selected grating material is cleaned and cut, it is placed on computer controlled moving platformand through stepped laser scanning and regulating the technological parameters, including pulse width, frequency, incident angle, power density, etc., regular channel structure is formed on the surface of the material. The present invention has simple process, easy control, wide material selecting range and controlled cost.

The invention discloses a loader testing experiment table based force sensor arranging method. The method includes steps of A, arranging a fixed board and a quick connection board parallel to each other, wherein the rear wall of the fixed board is connected with the front wall of the quick connection board through n three-dimensional force sensors; B, arranging n three-dimensional force sensors onthe rear wall of the fixed board in advance and calibrating pre-arrangement positions of the three-dimensional force sensors; C, applying pressure on a front working component of a loader, wherein each three-dimensional force sensor can display force magnitude and direction of a test point directly and the magnitude and the direction of the applied force can be obtained through calculation. The invention also discloses a testing method for operation resistance of working components of the loader after arrangement of the loader testing experimental table and the force sensors. According to theinvention, performance test study or measurement can be performed on the selected front end working component.

An embodiment of the invention provides a creating method and a creating device for a reminding ringtone. The creating method comprises the steps of: responding to selection operation of media files under a process of a media file playback application, and extracting address information of the selected media file; and invoking a reminding type application, responding to a reminding event generating command, and using the address information as address information of a reminding ringtone of the reminding event. According to the creating method and the creating device for the reminding ringtone provided by the invention, the media file is selected through the selection operation under the process of a media file playback application, and the reminding type application is invoked for setting the reminding ringtone, thereby breaking down the boundary between media playback type application and reminding type applications, and allowing users to utilize media file resources for creating reminding events more flexibly. Therefore, the users can select the media files as the reminding ringtone conveniently according to their preferences, thereby enhancing user satisfaction degree.

An antenna system and a method for reporting enhanced Reference Signal Receiving Power (eRSRP) of the same are provided. According to an embodiment of the present invention, the method for reporting eRSRP includes: transmitting, by an evolved Node Base (eNB), different reference signals to different transport points being distributed; measuring, by a user equipment (UE), eRSRP of the different transport points; and reporting, by the UE, the measured eRSRP of the different transport points to the eNB. Compared with the prior art, the eNB can obtain channel information of path loss of each transport point, to fundamentally solve the problem of unbalanced power, and can perform other optimization operations based on the information to improve the system throughput and other performance.

The invention discloses a control system for a marine medium-speed micro-jet ignition type dual-fuel engine. The control system consists of an engine operation monitoring unit, a safety protection unit, a fuel jetting and speed-regulating control unit and a parameter modifying unit which are mounted in a control box, wherein each unit is connected by a CAN redundant bus, so that data interaction and logic parameter modification of the corresponding unit are realized, and parameter interaction is displayed through a modbus bus and a man-machine interaction interface. The system can realize multi-time jetting control and can stop certain channel jetting mode; the same control unit is adopted to realize fuel supply control of the engine, so that synchronous and precise control on a fuel mode switching process is convenient, stable transition of the engine is realized, and operation parameters of the dual-fuel engine are optimized.

The invention relates to an anti-infective pharmaceutical composition comprising cefoperazone sodium and sulbactam sodium in optimal proportion. In the pharmaceutical composition, the weight ratio of the cefoperazone sodium and the sulbactam sodium is (2-4):1, preferably 4:1. The pharmaceutical composition with the weight ratio is excellent in antibacterial activity to drugs containing equal amounts (1:1) of cefoperazone sodium and sulbactam sodium in clinic. The dosage of sulbactam sodium in the inventive pharmaceutical composition is reduced by more than two times than the existing similar drugs, which improves safety of kidney and reduces production cost. The raw materials used in the invention meet the standards of Chinese Pharmacopoeia. Therefore, the pharmaceutical composition has good quality, safety and stability.

A mobile stairway of bus is characterized in that: the mobile stairway of the bus comprises a Z-shaped pedal; the pedal at an accommodating position contacts with a first step and a second step of one member in a front stair and a rear stair of the bus; the right end of the pedal is hinged with the first step through an articulated shaft; the left end of the pedal can rotate rightwards through 180 DEG along an articulation point to an operation position; and the left end of the pedal at the operation position is parallel with the first step. The mobile stairway of the bus has the following beneficial effects: capability for providing a temporary foothold for the old people with inconvenient action, the child and the women with long skirt; convenient getting-on and getting-off; convenient storage and using; capability for flexible using according to the practical situation of the passenger; no requirement for changing the structure of the prior-art bus, convenient reconstruction and low reconstruction cost.

The invention discloses a system and a method for supporting Flash burning of a server main control board. The system comprises a main board supporting two paths of central processing units, wherein acentral processing unit, an integrated south bridge, a substrate management controller, a complex programmable logic device, a central processing unit flash memory and a substrate management controller flash memory are arranged on the mainboard; the baseboard management controller and the integrated south bridge are electrically connected with the complex programmable logic device; the complex programmable logic device is connected with the central processing unit flash memory and the baseboard management controller flash memory through the same bus, and the complex programmable logic deviceachieves read-write operation of the central processing unit flash memory or the baseboard management controller flash memory through state selection of the chip selection bus. According to the invention, a chip holder for installing a flash memory in a traditional server is removed, and when the flash memory needs to be burnt, the main control board only needs to be connected to an upper computerthrough a combined test work group link for operation, so that the problems caused by the use of the chip holder are fundamentally solved.

The invention provides a method for detecting whether drivers and passengers of motor vehicles fasten seat belts on the way. The method comprises: reading captured motor vehicle images and decoding the motor vehicle images into BMP bitmaps; eliminating fuzzy images; detecting positions of front glass windows of motor vehicles to determine cab positions, and calculating the cab positions by means of license plate positions; detecting drivers, passengers and seat belts in the cab areas; judging whether the drivers and the passengers fasten the seat belts; carrying out histogram equalization image enhancement processing of the parts where the seat belts are judged as unfastened, and performing storage operation. The invention comprehensively adopts many computer image processing algorithms to improve the detection efficiency and accuracy on the premise of guaranteeing the precision, and also makes it possible to detect at the same time whether drivers and passengers all fasten seat belts.

The invention relates to steel for a superhigh-strength hot rolling automobile structure and a preparation method thereof, belonging to the field of alloy steel production processes. The steel comprises the following components: 0.08 percent to 0.12 percent of carbon, 0.10 percent to 0.50 percent of silicon, 1.5 percent to 2.50 percent of manganese, less than 0.02 percent of phosphorus, less than 0.01 percent of sulfur, 0.02 percent to 0.05 percent of aluminum, 0.08 to 0.25 percent of vanadium, 0.03 percent to 0.06 percent of nitrogen and the balance of Fe and other inevitable impurities. The production process comprises the following steps of: converter smelting; external refining; continuous casting; hot rolling and reeling. The main process parameters are as follows: the heating temperature of continuous casting slabs is between 1,150 and 1,220 DEG C, the reeling temperature is between 500 and 650 DEG C, and the hot rolling total reduction ratio is more than 85 percent. According to the steel, vanadium-nitride micro alloying is adopted, vanadium precipitation is promoted by enhancing nitrogen, grains are refined, and precipitation strengthening and fine-grain strengthening are used as main strengthening measures, so that the yield strength is more than 700 MPa, the tensile strength is more than 800 MPa, the total elongation rate after fracture is more than percent, and the steel is used for high-strength automobile structures with high plasticity and good cold bending properties.

The embodiment of the invention provides a photographing device and an electronic device with the photographing device. The photographing device comprises an interface circuit of a camera module. The interface circuit of the camera module is arranged on a mainboard and comprises a baseband circuit, and a motor drive module which is connected with the baseband circuit. The camera module comprises a camera module circuit board. The camera module circuit board comprises at least one image sensor module, wherein each image sensor module is connected with the baseband circuit; and at least one motor, wherein each motor is correspondingly connected with the motor drive module. According to the embodiment of the devices, the partial heating problem of the camera module (such as a zoom dual-camera module) in the related technique can be effectively reduced, the user experience is good, the interference of the motor drive module on each image sensor module in the camera module is avoided, and moreover, the routing and layout spaces of the camera module circuit board are greatly reduced.

The invention discloses a hydraulic system hydraulic cylinder structure meeting higher frequency response requirements and suitable for limited installation space. By integrating a hydraulic cylinderand a valve block, a cylinder barrel of the hydraulic cylinder is integrated with the valve block, so that the problems of connection, positioning and end surface matching of the hydraulic cylinder and the valve block are eliminated, and a servo valve with determined performance is flexibly matched; and a linear bearing and a piston rod are in contact in the form of a rolling pair. According to the hydraulic cylinder structure, the sliding friction force between the piston rod and the bearing can be eliminated, and the starting pressure of the hydraulic cylinder is reduced, so that the movingfrequency of a hydraulic system is increased, and the higher frequency response requirements compared to a traditional contact-type supporting mode are met; the hydraulic cylinder is integrated with the valve block, so that the size of the hydraulic cylinder is reduced, and the hydraulic cylinder is suitable for occasions with limited space; and the performance of the servo valve is selectable compared with the integration of the hydraulic cylinder and the servo valve, so that both low cost and good performance are achieved.