209results about How to "Good demand" patented technology

The invention discloses an instant messaging (IM) method and an instant messaging server, which belong to the technical field of computers. The method comprises the following steps of: receiving instance login information transmitted by an IM client, wherein the instance login information at least comprises login information of an IM client user and instance information of a terminal where the IM client is positioned; authenticating identity of the IM client user according to the login information in the instance login information; and when the authentication is successful, distributing an instance ID for the IM client according to the instance information in the instance login information, wherein the instance ID is used for uniquely identifying the IM client. The server comprises a receiving module, an authentication module and a distribution module. Multi-point login of the same login account is effectively realized, and the various requirements of a user are met.

The invention provides a method for checking IM (instant messaging) information when multiple clients are logged in, a client and a system, which belong to the technical field of computers and software. The method includes: judging whether a user logs in two or more clients by the same instant communication account or not and whether received IM information is propelled to the two or more clients at the same time or not, if yes, proceeding to the next step; acquiring checking information corresponding to the IM information of the user according to the IM information propelled to the two or more clients; transmitting the checked information of the IM information to other related clients logged by the users when the user checks the IM information through one of the clients; calling the corresponding IM information by the other related clients according to the received checked information and converting the IM information to be checked states. By the aid of the method for checking IM information when multiple clients are logged in, the user can receive the IM information more conveniently and faster on the condition of multiple scenes and multiple terminals.

The invention discloses a thyroid surgery assistance device for clinical use in the general surgery department. The device includes a surgery bed, a control switch group is installed on the top of thesurgery bed, a neck supporting device is installed on the portion, corresponding to the neck of the human body, of the surgery bed, a retractable mechanism is installed on the headboard of the surgery bed, and a height adjustment device is installed at the end of the retractable mechanism. According to the thyroid surgery assistance device for clinical use in the general surgery department, the neck of a patient is supported by the neck supporting device, an adjustment capability is achieved, and different use demands are met conveniently. The spacing between a head support and the neck is adjusted through the retractable mechanism, so that enough activity space is supplied to a surgeon, and more convenience is provided for the surgeon to conduct surgery; the work height of the head support is adjusted by the height adjustment device, and the work angle of the head support is adjusted by an angle adjustment device. The flexibility of the thyroid surgery assistance device is great, adjustment is convenient, and the use demands can be met.

The invention discloses a serving gateway (S-GW) selection method and a mobility management entity (MME). The serving gateway selection method comprises the following steps: when confirming the need to reselect an S-GW for UE (User Equipment), the MME determines a first S-GW candidate list corresponding to a TAI (Tracking Area Identity) of a TA (Tracking Area) to which the UE is attached; the MME determines a first P-GW (Packet Data Network Gateway) candidate list corresponding to an APN (Access Point Name) used by the UE; the MME selects one S-GW which is arranged in a physical device together with P-GWs in the first P-GW candidate list from the determined first S-GW candidate list and takes the selected S-GW as the S-GW reselected for the UE. The technical scheme of the invention provides a specific implementation scheme for the MME to reselect an S-GW for the UE.

Disclosed is a reserved heating control method for a water heater, comprising: setting a reserved time treservation and a reserved temperature Treservation to use hot water; according to a heating velocity v of the water heater, the reserved time treservation, the reserved temperature Treservation, and a current water temperature Tcurrent, calculating a heating start time tstart of the water heater, tstart = treservation - (Treservation - Tcurrent) * v, wherein the heating velocity v of the water heater is the time required per 1 °C rise in water temperature in the heating process; and controlling the water heater to start heating according to the heating start time tstart of the water heater. Further disclosed is a reserved heating control system for a water heater.

The invention discloses an elevator carrying device. The elevator carrying device comprises a machine body lifted along a stairs guide rail, wherein the lower part of the machine body is movably connected with a turning plate type foot placing platform; the machine body is movably connected with a turning plate type base plate; the foot placing platform comprises a telescopic foot placing plate; a turnover driving device 1 for driving the foot placing plate to overturn is connected between the foot placing plate and the machine body; the foot placing plate comprises an inner pedal movably connected to the machine body, and an outer pedal coating the inner pedal; a telescopic driving device for pushing the outer pedal to extend along the inner pedal is mounted between the inner pedal and the outer pedal; and a turnover driving device 2 for driving the base plate to overturn is arranged between the base plate and the machine body. The elevator carrying device satisfies the use requirements of two postures of sitting and standing on the foot placing platform, and achieves the corridor space occupation minimization without influencing normal going upstairs or downstairs of pedestrians. The elevator carrying device has the characteristics of small occupation space, safety, reliability, simple structure, complete functions and low cost, and can be widely applied to such various systems as corridor elevators.

The invention discloses a logistics system and method, which relate to the field of express logistics. The logistics system includes a delivery terminal connected to a server, a client terminal, a transfer station, an express terminal, and an express cabinet terminal; The unique identification code corresponding to the express is put into the delivery terminal together with the express; the transfer station collects the express in the delivery terminal and completes the security check and destination classification at the end of delivery when the sender searches through the client terminal, and runs The courier terminal at the destination of the courier completes the delivery of the courier. This logistics system and method eliminates the need to fill in the form by hand, and does not require the courier to pick up the package one by one and scan the information, fast and automatic classification, low error rate, and high efficiency.

The invention discloses a locomotive comprehensive information recording device and a recording method. The device comprises a main recording module, wherein the main recording module comprises a main processor unit, a main network interface unit, a main storage unit and a main power supply unit; the main network interface unit comprises a plurality of bus interfaces which are connected with a locomotive bus; the main processor unit is respectively connected with the main network interface unit and the main storage unit; information acquired by the main network interface unit is coded in a unified manner and is stored in the main storage unit; and the main power supply unit respectively supplies power for the main processor unit, the network interface unit and the main storage unit. The device has the advantages that synchronization of time of various locomotive-mounted information devices can be guaranteed effectively, the information of the various locomotive-mounted information devices on a locomotive can be coded, stored and managed in a unified manner, data integrated level is high, integrity is good, users can use the information conveniently, the information is fused and analyzed comprehensively, the utilization value of the information is increased effectively and the like.

The present invention provides an image processing method and device. The method comprises: obtaining an image to be processed; detecting whether there is a face image in the image to be processed or not; when there is the face image in the image to be processed, determining an area where the face image is located; determining a cutting area according to preset cutting information and the area where the face image is located; and performing cutting of the image in the cutting area, and obtaining an image after cutting. A face image according with requirements can be simply and rapidly obtained through adoption of the technical scheme.

The invention relates to a file system for security and protection video monitoring equipment. The file system for the security and protection video monitoring equipment comprises a data structure and an operation mechanism, and is characterized in that the data structure is statically stored on a storage medium through certain arrangement and is dynamically stored in a memory so as to support the operation mechanism of the file system; the data structure comprises file system parameters, a conflict cluster number list, a directory entry list, an index entry list and a data area; the operation mechanism comprises a runtime mechanism, a lower layer buffer mechanism, an upper layer operation mechanism and an adaptation mechanism. The file system for the security and protection video monitoring equipment is specially designed for streaming media data storage on the security and protection video monitoring equipment. According to characteristics of the streaming media data, special parameter items are replaced or expanded on the data structure, parameter items such as channels, time, file types and image quality are extracted so as to improve upper layer operation efficiency, and the file system for the security and protection video monitoring equipment is more convenient to use and high in use ratio.

The invention discloses an action presentation device for physical education. The action presentation device for physical education comprises a base, wherein a vertical plate is fixedly installed at the top of the base, sliding plates are slidingly installed on two sides of the vertical plate, the tops of the two sliding plates are fixedly provided with the same installing plate located above thevertical plate, one side of the installing plate is provided with a rotary groove, an installing rod is rotatably installed in the rotary groove, the outer side of the installing rod is fixedly sleeved with an installing block, one side of the installing block extends to the outer side of the installing plate and is fixedly provided with a display device, and one side of the display device is provided with a USB port. The action presentation device facilitates physical action presentation through the display device, saves the time and effort of a physical teacher, meanwhile facilitates displayangle and height adjustment of the display device, meets the actual use demand, can facilitate self movement through extending and storage of rolling wheels, meanwhile is convenient to place firmly after movement and is simple in structure and convenient to use.

The present invention discloses a rhizoma gastrodiae-roxburgh rose cake. GuiZhou rhizoma gastrodiae and roxburgh rose are taken as main raw materials. Apples are used as a main assistant material, and a food grade gelatinizing agent and seasonings are added. The formulation and ratio are as follows: 15 to 25 parts of roxburgh rose juice, 1 to 2 parts of rhizoma gastrodiae powder, 10 to 12 parts of apple juice, 7 to 9 parts of xylitol, 7 to 9 parts of white granulated sugar, 0.1 to 0.3 part of citric acid, and 1.5 to 1.8 parts of a composite gelatinizing agent, with the balance being water to form 100 parts. The preparation method of the rhizoma gastrodiae-roxburgh rose cake comprises the following steps: selecting the finest roxburgh rose; cleaning the roxburgh rose; beating the roxburgh rose into pulp; mixing the rhizoma gastrodiae powder, the pulp, and the composite gelatinizing agent and then adding the water and carrying out blending; carrying out boiling; pouring the boiled mixture into a disc; cooling the mixture; drying the mixture; forming the mixture into a shape; cooling the shaped mixture; carrying out inflatable packaging; and testing and warehousing the finished product. The rhizoma gastrodiae-roxburgh rose cake has characteristics of simple process and easy industrial production, and moderate sour and sweet taste. By combining the rhizoma gastrodiae with the roxburgh rose which is the king of Vitamin C, the rhizoma gastrodiae-roxburgh rose cake can supply people with vitamin C. Furthermore the application of the rhizoma gastrodiae nutritional effects in the rhizoma gastrodiae-roxburgh rose cake can expand the casual health food market. The rhizoma gastrodiae-roxburgh rose cake has good market prospects.

The invention discloses a pediatric sputum suction device, and belongs to the field of medical instruments. The sputum suction device comprises an elastic hose, an occlusion support seat, a hard sleeve, an adjustment seat, a collection bottle and a hand grip. The bottom of the hand grip is provided with a liquid outlet nozzle, and the collection bottle is fixed on the outer side of the liquid outlet nozzle. A pipe socket is mounted at one end of the hand grip, and the adjustment seat is mounted at one end of the pipe socket. The hard sleeve is arranged at one end of the adjustment seat. One end of the hard sleeve is provided with the elastic hose, and one end of the elastic hose is provided with a suction seat. By means of the elastic hose and the hard sleeve, the suction seat can be pulled during sputum suction, so that an annular sliding seat drives the elastic hose to stretch between the hard sleeve, and the elastic hose and the suction seat can fit the curvature of the human body.Therefore, the device can be placed in the oral cavity of a child, the sputum at the throat of the child can be sucked through the suction seat, and damage to the throat of the child can be reduced.

Treatment method of disc type column membrane water, is the immediate processing of high concentration sewage to achieve the required emission standards, which selects processing options in series, parallel, primary or secondary treatment modalities according to the water quality and emission standards. The treatment method of disc type column membrane water is used in combination with other processes, as the final treatment step before discharge to ensure reliable standards of high concentrations of sewage treatment. The treatment device of disc type column membrane water can be connected in series or parallel alternately with flexible operation mode. Device can be designed to be connected in series or parallel operation mode according to the requirements, to achieve less volume of water and higher standards of water quality in series operation mode, and larger volume of water and lower emission standards in parallel operation mode, meeting the requirements of different water volume and water quality.

The invention discloses a multifunctional mechanical keyboard and a keyboard control system; the keyboard comprises a keyboard matrix and a plurality of buttons on the keyboard matrix, and display screens arranged on the buttons and a controller; the controller is used for controlling functions of all buttons and screen display parameters of the display screens; the multifunctional mechanical keyboard has conventional keyboard functions, and can realize other functions according to user specific requirements through programming; each keyboard button is added with the display screen with high resolution and low luminescence, wherein the display contents, backlight colors, brightness and sizes can be adjusted, thus satisfying user usage demands on the keyboard under poor brightness environment; users can conveniently use different functions of the keyboard, thus greatly improving user usage experience; corresponding shortcut key function and screen display can be realized according to different programs, thus improving user working efficiency.

The invention discloses a screen turnover device for a paperless conference system. The system comprises a panel assembly, a screen assembly, a driving assembly and a baffle lifting assembly, wherein the panel assembly comprises an upper panel; the screen assembly comprises a screen support and a display screen; the display screen is arranged on the screen support; two ends of the screen support are respectively movably connected with the upper panel through rotating shafts; the driving assembly comprises a driving motor, a motor bracket, a driving wheel and a long connecting rod; and the baffle lifting assembly comprises a lifting side plate, a baffle assembly and a lifting driving assembly. The screen turnover device has the advantages of being simple in structure and convenient to use, the screen turnover angle specifically comprises a fixed turnover angle of a front section and a freely adjustable angle of a rear section, the screen has a certain freely adjustable space when overturning, users can freely adjust the screen turnover angle according to specific use requirements, and more use requirements of the users can be met.

The invention discloses a multifunctional care rehabilitation robot. The multifunctional care rehabilitation robot comprises a travelling car, a lifting seat mechanism, a moving adjustable device, a chest leaning part and two axilla supporting parts, wherein the travelling car is provided with a supporting base; the lifting seat mechanism is arranged at the rear end of the supporting base and is provided with a seat cushion part which can vertically move relative to the supporting base; the moving adjustable device is arranged at the front end of the supporting base and comprises a guide moving mechanism, a rotating mechanism, a lifting mechanism and an angle adjusting mechanism; the chest leaning part is arranged on the moving adjustable device and is used for supporting a user; the moving adjustable device can drive the chest leaning part to realize fore and aft movement, 360-degree rotation, vertical motion and elevation angle adjustment relative to the supporting base; the two axilla supporting parts are respectively arranged on two sides of the chest leaning part. The multifunctional care rehabilitation robot provided by the invention has the multifunctional effects, is convenient for the user to assist in moving in a prone or sitting mode and easily meets the use demands of the user.

The invention belongs to the technical field of industrial exhaust gas treatment and provides an industrial exhaust gas purification treatment system. The system comprises a gas inlet, an oil fume gas condensing tower, a wet water film high pressure industrial exhaust gas purifier, a bag dust removing device, a cold combustion electrolysis tower, a plasma photocatalytic device and a gas outlet, the above parts are orderly communicated by pipes, a fan is arranged at the gas outlet, the top of the oil fume gas condensing tower is communicated with the top of the wet water film high pressure industrial exhaust gas purifier, the bottom of the wet water film high pressure industrial exhaust gas purifier is communicated with the bottom of the bag dust removing device, the top of the bag dust removing device is communicated with the top of the cold combustion electrolysis tower, and the bottom of the cold combustion electrolysis tower is communicated with the bottom of the plasma photocatalytic device. The system solves the problem that the existing treatment device has poor industrial waste gas treatment effects and cannot satisfy the existing industrial waste gas treatment demands.

The invention relates to a circular arc-shaped furniture edge and corner component and a manufacture process thereof. The component comprises an inner-layer circular arc board strip, wherein a paint-free circular arc decoration board covers on the inner-layer circular arc board strip, the inner-layer circular arc board strip is made of rest materials of artificial boards, materials of the circular arc decoration board comprise melamine physiochemical boards and are acrylic boards, fireproof boards and stainless steel boards. The manufacture process of the component comprises the processes of material selection, material cutting, split joint of the inner-layer circular arc board strip, grinding and polishing, bending of the circular arc decoration board and split joint. Because the inner-layer circular arc board strip is made of the rest materials of the artificial boards, the energy consumption can be reduced, and the cost can be saved. In addition, paint does not need to be sprayed and coated on the surface of the circular arc decoration board, the batch manufacture can be easily realized, and the environment protection effect is better. Meanwhile, the manufacture process does not need expensive equipment, only needs a simple cutting saw, drilling machinery and a vertical milling machine, and can be applied to the manufacture of all bendable surface facing materials.

The invention provides a cart type discharging device. The device comprises a connector, a clamping part, an auxiliary connecting block and a spring; a groove is formed in the rear portion of a base,a connecting shaft is arranged in the middle of the groove, and bottom wheels are installed at the bottom of the base through bolts; the bottom of a push-pull part is installed on the upper portion ofthe base in a welding mode, and the middle part of the push-pull part penetrates through a fixing part; the connecting part is installed on the lower side of the upper portion of the push-pull part in a welding mode. According to the device, a pulley is installed at the inner end of a pedal part through a rotating shaft, the pulley makes contact with the bottom of a rising and falling part, the pedal part can support the rising and falling part rapidly and conveniently, when materials contained on the upper portion of the rising and falling part reaches the bottom of the device, the inner endof the rising and falling part can be overturned by stepping the pedal part with a foot, the rising and falling part inclines to discharge materials, by means of the device, the materials can be discharged conveniently, and manpower and material resources are saved.

The invention discloses an intelligent logistics cabinet comprising a logistics cabinet body; the logistics cabinet body comprises a plurality of storage boxes with an opening formed in one side and apartition plate; an express door is rotationally mounted on one side of each storage box; supporting legs are fixedly mounted at the four corners of the bottom of the logistics cabinet body correspondingly, a mounting groove is formed in the bottom of the logistics cabinet body, a plurality of vent holes are formed in the inner wall of the bottom of the logistics cabinet body and all communicatewith the mounting groove, a first groove with an opening formed in one side is formed in the bottom of the partition plate, and the first groove communicates with the logistics cabinet body. The intelligent logistics cabinet is reasonable in design and convenient to operate; the vent holes can be conveniently blocked in time, so that rainwater is prevented from entering the logistics cabinet bodythrough the vent holes to damage electronic components and objects in the logistics cabinet body in rainy days, and the maintenance cost is reduced; and an air blower is arranged, so that the heat dissipation efficiency of the logistics cabinet body is improved while the components are blow-dried, the use requirements are met, and use is facilitated.

The present invention relates to a dual-planetary gear train multi-mode hybrid power system. The system comprises an internal combustion engine system assembly (300), an integrated starting power generator motor (20), a drive motor (18), a hybrid power control unit (9), a first planetary gear train (200) and a second planetary gear train (100); the internal combustion engine system assembly (300)includes a one-way clutch (303) and is connected with a first gear ring (201), the integrated starting power generator motor (20) is connected with a first sun gear (204), the drive motor (18) is connected with a second sun gear (103), the first planetary gear train (200) is connected with a second gear ring (101) through an output shaft of the tail end of the first planetary gear train with a first planetary carrier (202) as output, a locking clutch (203) is installed on the output shaft, and power is output to a whole vehicle through a second planetary carrier (104). According to a multi-mode hybrid power control method, just by controlling the target torque or rotational speed of the locking clutch and each power component, free switching among eight modes can be achieved.

The invention discloses an automatic grouting construction device with high efficiency. The automatic grouting construction device comprises a material barrel and a material barrel support frame, wherein an air inlet is formed in the material barrel; a discharge hole is formed in the bottom of the material barrel; the material barrel support frame is a four-leg support frame formed by welding angle iron; the material barrel is communicated with hoppers comprising a first hopper and a second hopper; a flow control valve for controlling flow is arranged on the discharge hole; a flow velocity detector for detecting the flow velocity of grouting at the discharge hole is arranged at the position of the flow control valve; the interior of the material barrel is provided with a stirring device; and an air inlet valve for controlling the air inflow of the material barrel is arranged on the air inlet. The automatic grouting construction device is reasonable in design, simple in structure and convenient to install and manufacture; meanwhile, the operation of materials is simpler and more convenient through the first hopper and the second hopper, the materials are also conveniently mixed, and the interior of the material barrel is provided with the stirring device, so that the work efficiency is effectively improved.

According to a high-resolution SAR image segmentation method for improving the FCM through multi-stage cooperation, the theoretical basis of an FCM clustering algorithm and the limitation of the FCM clustering algorithm for high-resolution SAR image segmentation are analyzed, weighted median filtering improvement is conducted on the FCM in combination with the spatial neighborhood relation of pixels, aiming at the limitation that a current FCM segmentation result is prone to falling into local optimum, SA is improved to further optimize the FCM, the effectiveness of the improved and optimized algorithm is verified through experiments, finally, the segmentation result of the improved and optimized FCM clustering algorithm is used as the initial segmentation of maximum posterior probability superposition re-segmentation, the maximum posterior probability superposition SAR re-segmentation is adopted to segment the image, qualitative and quantitative comparative analysis is carried out on the segmentation results of the above methods to obtain a series of improvements, the SAR segmentation quality is obviously improved, details and contours of image edge areas are clear, segmentation is accurate, robustness and reliability are good, meanwhile, the resistance of the algorithm is enhanced, and the SAR segmentation quality and efficiency are greatly improved.

The invention discloses a board-grade multichip joint test action group (JTAG) chain interconnection structure and method. The structure comprises a JTAG joint, JTAG devices, a complex programmable logic device (CPLD), a data distributer and a selector switch. The TMS pin, the TCK pin, the TDI pin and the TDO pin of the JTAG joint are respectively connected with JTAG interfaces and IO ports of the CPLD through the data distributor; the address signal input end of the data distributor and the IO ports of the CPLD are respectively connected with the selection switch; and the TMS pins, the TCK pins, the TDI pins and the TDO pins of the JTAG devices are respectively connected with the IO ports of the CPLD. According to the invention, chips with the JTAG interfaces on a single board are interconnected by use of the CPLD, such that the function of forming JTAG chains is realized, and different devices on the JTAG chains can be conveniently combined to form chains. The structure and method provided by the invention have the advantages of simple hardware design, high flexibility and greatly facilitated test and production maintenance demands.

A distributing valve for a concrete pump and the concrete pump are provided, the distributing valve comprises a valve body (200) and a valve core (300), and a delivering cavity (213) is internally formed in the valve body (200) and is provided with a material inlet, a material outlet (212) and material suction openings (251,252). The material outlet (212) is communicated with a delivery pipe and the material suction opening (251,252) is communicated with a delivery cylinder (500). The valve core (300) is a L-shaped pipe formed by a first pipe section (310) and a second pipe section (320), and one end of the L-shaped pipe is connected with a hopper (600) and a revolution fitting surface is formed between the end face of the other end of the L-shaped pipe and the internal face of the valve body (200).

The invention relates to mosquito-repelling sustained-release dropping pills and a preparation method.The mosquito-repelling sustained-release dropping pills are characterized by be prepared from an essential oil combination and a matrix, wherein the weight ratio of the essential oil combination to the substrate ranges from 1:1 to 1:8, and the essential oil combination is prepared from eucalyptus citriodora essential oil, basil sweet essential oil, vanilla oil, jasmine essential oil and synergist.The preparation method comprises the steps that the eucalyptus citriodora essential oil is melted, the basil sweet essential oil, the vanilla oil, the jasmine essential oil and the synergist are added, and the materials are stirred to be uniform; the mixture is added to the melted matrix and stirred to be uniform, and the constant temperature is maintained; the dropping pills are preparedin a pill dropping machine according to a specified technology.According to the mosquito-repelling sustained-release dropping pills and the preparation method, the usage quantity and order of use of the pills can be self-assembled according to different usage requirements and hobbies, and therefore single active ingredient slow-release quantity and slow-release duration of the essential oil are controlled, mosquitoes cannot produce insecticide resistance, the pills can be matched with multiple mosquito-repelling carriers for use, and the mosquito repelling effect is good.

The invention discloses a receptacle with rotatable sockets. The receptacle comprises a power switch, a power plug, a receptacle host, a USB charging interface, a socket rotating device, a socket turntable, and sockets. The socket rotating device comprises a connection rotary column, a housing, a gear stopping mechanism, an active mechanism, a cam transmission mechanism, and a gear. The front endof the receptacle host is provided with the socket rotating device. The receptacle host and the socket rotating device are in clearance fit. A knob at the bottom of the receptacle host can be rotatedto adjust the rotation angle of the socket turntable arbitrarily, so as to adjust the direction of the sockets and to be beneficial to various needs in life.

The invention is suitable for the field of set-top boxes and provides a method for regularly switching channels by a set-top box. The method comprises the following steps of: a, setting a regular channel-switching menu unit; b, setting regular switching information in the menu unit by a user and recording the regular switching information in a memory card; c, reading the regular switching information from the memory card and inserting the regular switching information into a linked list according to a time sequence; and d, acquiring interval time between the current time and the switching time of a linked list head, starting a timer, and when the timer is timed out, switching to corresponding channels by using a system. By setting a regular channel-switching unit in the set-top box, the user can select the channels needing regular switching, the switching time and a switching period in the channel-switching unit. The set-top box regularly switches to the corresponding channels according to the set parameters of the user, and greatly meets the using requirements of the user.

The invention relates to the technical field of medical instruments, and discloses a novel auxiliary device for orthopedic treatment. The device comprises a bottom plate; a supporting column and a supporting rod are mounted at the top of the bottom plate; two lifting rods and fixing mechanisms used for limiting the heights of the lifting rods are slidably mounted on the two sides of the supportingcolumn; a seat plate is mounted at the tops of the lifting rods; a leg positioning plate is hinged to the top of the supporting rod; an adjusting mechanism for adjusting an inclination angle of the leg positioning plate is arranged on the bottom plate; arc-shaped rods are hinged to the two sides of the leg positioning plate; pin rods and driving mechanisms used for moving the pin rods are mountedon the two sides of the leg positioning plate in a sliding mode; and positioning holes are formed in one ends of the arc-shaped rods. According to the device, support for sitting and standing of a patient is realized, use requirements of different heights are met, elastic fixation of leg positioning is realized, fixation is convenient, the fixation comfort is provided, treatment is facilitated, the leg placement angle can be adjusted, and leg treatment by a doctor is facilitated.