113results about How to "Reduce operational burden" patented technology

The utility model relates to the technical field of air tightness detection tools, in particular to a novel air tightness detection tool for a heat exchanger, which reduces the operation burden of personnel and improves the detection efficiency. The PEEK material realizes end face and radial sealing according to structural requirements, and fits an actual application scene of the heat exchanger; the highly-integrated tool can adapt to airtightness detection of heat exchangers of different sizes and structures through replacement of the supporting blocks and the cushion blocks, and the development cost of the airtightness tool is greatly saved. Comprising a base and a first supporting block, and the first supporting block is installed on the outer side wall of the base; the device comprises a base and further comprises a positioning assembly, a moving device, a first air inlet head, an adapter, air inlet blocks, a pressing block, a sealing head, a first sealing ring, a second air inlet head and a second sealing ring, the positioning assembly is arranged on the base, the two air inlet blocks are installed on the base through the moving device, and the moving device is used for driving the two air inlet blocks to move horizontally. And every two groups of adapters are respectively arranged on one group of air inlet blocks in a communicating manner.

The utility model relates to the technical field of cold box interlayer gas oxygen content analysis, in particular to a cold box interlayer gas oxygen content on-line analysis device which comprises a sampling pump, a three-way electromagnetic valve, a pretreatment box, an analysis instrument and a control system, wherein the sampling pump is used for pressurizing and introducing interlayer gas of the cold box into the analysis device; the analysis instrument is used for analyzing the oxygen content in the pretreated gas; the three-way electromagnetic valve is arranged between the sampling pump and the analysis instrument and is used for remotely switching and analyzing the waste nitrogen and the cold box interlayer gas; the pretreatment box is connected between the three-way electromagnetic valve and the sampling pump. Through remote switching of the three-way solenoid valve and automatic logic setting of the DCS, online intelligent analysis of the oxygen content of the interlayer gas of the cold box is achieved, and the analysis accuracy and efficiency are improved; and an operator can finish the analysis work of the waste nitrogen and the interlayer gas of the cold box without frequently and manually switching an analysis instrument, so that the operation burden is reduced.

This invention provides a data processing method, apparatus, device, and medium for platform migration scenarios, relating to the field of Internet of Things (IoT) technology. The method includes: the target platform, in response to a user-initiated access request, queries a pre-built user mapping table and device identity mapping relationship to achieve cross-platform user identity recognition and automatically performs login credential conversion and session reconstruction; after session reconstruction, IoT devices associated with the source platform are connected to the target platform based on the device identity mapping relationship. Through a dual mapping mechanism and automated migration process, users do not need to manually register, re-login, or reconfigure the network; they can complete the entire migration chain—identity authentication, login state migration, and device access—with just a single regular access request. This significantly reduces the user's operational burden and improves the automation level and user experience of the migration.

The utility model relates to the field of agricultural machinery engineering technology discloses a leek field weed cleaning device, include: handle, for U type state, horizontal setting, U type middle part both sides can place the shoulder strap, shoulder strap, total two groups, through two groups of round magic paste and paste to handle, sliding rod, by a group of thick cylinder and a group of thin cylinder weld together, and place obliquely, and thick cylinder is fixed in handle middle part one side, and thin cylinder one end is provided with fixed mechanism, fixed rod, for cylinder cover, place obliquely, and its one end and the thin cylinder end of sliding rod sliding connection. The locking effect of sliding rod cooperation and fixed mechanism can quickly adjust the overall length of the device, adapt to different height users, the position adjustment of sliding blade and L type board can flexibly change the operation distance, accurately adapt to different row distance leek field, the shoulder strap is convenient for user to bear the device, reduces the handheld operation burden, the adjustment component is simple to operate, and can be stored and save space, improves overall operation efficiency and use safety.

This invention specifically relates to an electro-optical automatic reconnaissance method applicable to fixed-wing unmanned aerial vehicles (UAVs), comprising: receiving a mission package from a higher-level command system containing a reconnaissance area and a set of multiple target points to be reconnaissance; determining a serpentine fixed-point flight path and a local rectangular area based on the reconnaissance area; classifying the set of multiple target points to be reconnaissance to obtain a detailed waypoint set; arranging the serpentine fixed-point flight path and the detailed waypoint set to generate a reconnaissance flight path with the shortest travel distance for the UAV from its current position through the arranged waypoints; controlling the UAV to fly autonomously along the reconnaissance flight path, automatically activating electro-optical linkage based on the positional relationship between the UAV and the local rectangular area or each detailed waypoint, thereby achieving automatic reconnaissance. This method reduces the operational burden on personnel, improves the identification probability and reconnaissance efficiency, and enhances the flexibility of UAV tactical applications.

The invention relates to an automatic cleaning control method of a curtain wall cleaning unmanned aerial vehicle, the unmanned aerial vehicle and a medium in the technical field of unmanned aerial vehicle application. The automatic cleaning control method of the curtain wall cleaning unmanned aerial vehicle comprises the steps that coverage units are divided according to curtain wall image data I (t), and a coverage cleaning path P is generated with the coverage units as granularity. And calculating a cleanliness score Sk according to the change of the P before and after cleaning. And when Sk is less than a threshold Sth, carrying out supplementary washing, adding unqualified products after supplementary washing into a return visit queue, generating a return visit path according to the return visit queue, and carrying out return visit supplementary washing according to the return visit path. And when all the covering units meet the condition that Sk is larger than or equal to Sth, cleaning is ended. According to the curtain wall cleaning method, the covering cleaning path is planned for primary cleaning through the curtain wall local image, meanwhile, whether the cleaned curtain wall is clean or not can be automatically detected, and the return visit path is planned for the curtain wall area where residual stains are detected for supplementary cleaning, so that the operation burden is reduced and the working efficiency is improved while the curtain wall cleaning effect is ensured.

A work machine includes a vehicle body, traveling wheels, a first steering member, a second steering member, an actuator, and a controller. The actuator changes a steering angle of the traveling wheels in accordance with operation of the first steering member and the second steering member. The controller executes automatic control of the actuator to make the steering angle a predetermined target angle in a case where it is determined that the first steering member is not operated and the first steering member of the first steering member and the second steering member is last operated. The controller does not execute the automatic control in a case where it is determined that the first steering member is not operated and the second steering member of the first steering member and the second steering member is last operated.

The application provides a lithium battery electrolyte preparation combination set, a site preparation method and device, and relates to the technical field of lithium batteries. The combination set comprises a base liquid unit and an active additive unit which are independently sealed and packaged; the specifications of the base liquid unit and the active additive unit are prepared according to a preset ratio, so that the active additive unit can be added to the base liquid unit and mixed to form a lithium battery electrolyte; the base liquid unit is stored in an environment at a first temperature; and the active additive unit is stored in a protective environment at a second temperature, and the second temperature is lower than the first temperature.

The utility model provides a synchronous telescopic tire changer, which is characterized in that a driving part can drive a rack to reciprocate, a transmission shaft is rotatably arranged on a box body, and the rack is meshed with a first gear fixed at one end of the transmission shaft; a second gear and a third gear are further coaxially arranged on the transmission shaft, meshing teeth are arranged on the tire pressing shaft and the tire supporting shaft, the tire pressing shaft is meshed with the second gear, and the tire supporting shaft is meshed with the third gear. According to the synchronous telescopic tire dismounting machine disclosed by the utility model, the rack is driven by the driving part to linearly move, the rack drives the transmission shaft to rotate through the first gear, and the transmission shaft drives the tire supporting shaft and the tire pressing shaft to synchronously linearly move through the second gear and the third gear, so that the problem that the tire supporting shaft and the tire pressing shaft are independently adjusted is solved, and the working efficiency is improved; and the synchronism of the positions of the tire supporting wheel and the tire pressing wheel is ensured.

The utility model discloses a monitor operation module based on a voice recognition technology, which comprises a vital sign monitoring module used for collecting vital sign data of a patient and provided with a data transmission interface, and a data processing and display module used for receiving the data of the vital sign monitoring module and displaying the data on a display screen; the interaction module comprises a voice interaction unit, a touch control unit and an audio player; and the response module is connected with the data processing and display module, transmits the vital sign data in real time, monitors data changes, transmits prompt data to the display screen and the audio player, and assists in reminding a user. According to the vital sign monitor, the usability and the response speed of the vital sign monitor are improved through the man-machine interaction technology, the vital sign monitor is compatible with a clinically applied monitor through the data transmission interface, the operation burden of a doctor is reduced, and meanwhile a patient is reminded of key vital sign data.

This patent discloses a reading stand for one-handed page turning, including a frame, a flexible book clip, and a book clip holder. The book clip holder can adjust the rotation angle of the flexible book clip. Due to its length difference, the flexible book clip can switch between different gripping states via the book clip holder: a free position, a hovering critical position, or a maximum hovering position. This allows for one-handed switching of gripping states and page turning. The hovering characteristic of the flexible book clip ensures that it remains stably open after being lifted, providing invisible support for the hand turning pages. Users do not need to exert effort to keep the book clip open while turning pages, allowing them to focus entirely on the page-turning action itself. This intelligent interactive experience of "lift to stop, press to close" greatly reduces the operational burden, making long-term reading more relaxed and comfortable, and significantly improving user comfort and satisfaction.

An upturning type door body hinge with a random stop function comprises a driving arm fixedly connected to a door body and a fixing frame fixedly installed on a box body, one end of the fixing frame is rotationally provided with an output shaft, the outer cylindrical surfaces of the two ends of the output shaft are sunken to form an outer connecting table and an inner connecting table respectively, and the outer connecting table and the inner connecting table are connected with the driving arm. One end of the connecting rod is clamped and mounted on the inner connecting table, and the driving arm is clamped and connected to the outer connecting table; the other end of the connecting rod is hinged to a pull arm, the other end of the pull arm is connected with a sliding rod, and the sliding rod is installed in a movable groove formed in the fixing frame in a sliding mode. A spring is arranged between the sliding rod and the fixed frame, when the door body is turned upwards, the connecting rod is driven to swing through the output shaft, the pull arm stretches the spring, and the tension of the spring is balanced with the gravity of the door body, so that the door body can be paused at any position.

The utility model discloses an impurity removal device for tin stripping wastewater recovery, which relates to the technical field of tin stripping wastewater recovery and comprises a base frame, an impurity removal box is obliquely arranged at the top of the base frame from top to bottom, a liquid discharge hopper is arranged at the bottom end of the impurity removal box, and a side wall pipe is arranged at the connecting end of the impurity removal box and the liquid discharge hopper in a surrounding manner. A plurality of groups of liquid outlet holes distributed at intervals are formed in the inner wall of the side wall pipe, in the waste liquid impurity removal process, waste liquid can be pumped out of the tin liquid box in a pressurized mode through the pressure pump, the waste liquid is conveyed into the side wall pipe through the three-way pipe and the main flow hose, the waste liquid can be guided to the side wall of the liquid drainage hopper through the liquid outlet holes formed in the side wall pipe, and the waste liquid can be discharged out of the side wall of the liquid drainage hopper. By means of the device, the tin-lead alloy coating film fragments attached to the side wall of the liquid discharging hopper can be washed and cleaned, the device can wash the film fragments attached to the interior of the device while waste liquid impurity removal is conducted, the follow-up cleaning workload is greatly reduced, and the operation burden of workers is relieved.

The invention discloses a rotating disc type automatic pin inserting device for stator PINs, and relates to the technical field of pin inserting. The device comprises a base. Through the arrangement of the self-adaptive clamping equipment, the two bosses horizontally move in the opposite direction under the limiting effect of the two sliding balls, the two clamping bases are driven to move in the opposite direction to clamp the two sides of the stator, the following needle inserting procedure of the stator is fixed, the simple fixing mode is adopted, and compared with other manual fixing modes, the process is simple, and the production efficiency is improved. The operation speed of a worker can follow the mechanical operation speed of the PIN double-shaft manipulator and the hollow rotating platform through the simple process, the working requirement of the feeding process is met, and meanwhile compared with automatic fixing of a stator through modern process automatic production equipment, the production efficiency is improved, and the production cost is reduced. The same fixing effect as that of the equipment is achieved by adding electronic equipment such as the electric cylinder and the timing starting module, and on the basis of pin insertion automation of the equipment, electronic elements are additionally added, so that the manufacturing cost of production equipment is additionally increased.

The embodiment of the invention relates to the technical field of vehicle heat management, in particular to a vehicle air conditioner control method and system, a vehicle controller and a storage medium. The method mainly comprises the steps of obtaining a multi-source feature set according to obtained multi-source sensing data, performing fusion processing on various features in the multi-source feature set to obtain cross-modal fusion features, and inputting the cross-modal fusion features into a preset state prediction model to obtain a state prediction result. Comfort data representing the thermal comfort level of the user, activity state data representing the user behavior activity state distribution probability and preference data representing the user cold and hot preference type distribution probability are obtained, and air conditioner control parameters are obtained according to the comfort data, the activity state data and the preference data. By the adoption of the method, the thermal comfort requirements of users in the cabin can be met, and the control precision of the vehicle air conditioner is improved.

This utility model discloses an automatically pop-out selfie stick, including a rod body. The rod body includes a connector and several support feet rotatably connected to the bottom of the connector. A connecting rod is movably connected to one side of the support feet facing the inside of the rod body. A spring-loaded component connected to the connecting rod is fixedly provided on the side of the support feet connected to the connecting rod. A locking structure for fixing the several support feet in a closed state is also movably connected to the other end of the connecting rod. By setting the spring-loaded component and the connecting rod on the support feet, the connecting rod is used to open the support feet outward, while the spring-loaded component pulls on the connecting rod. The connecting rod, support feet, and spring-loaded component are interconnected. When the support feet are in a closed state, the spring-loaded component generates a pulling force on the connecting rod. When the support feet are disengaged from the locking structure, the angle between the connecting rod and the support feet decreases, thereby quickly opening the support feet outward.

The utility model discloses an obstetrical nursing enclosure, including fender assembly for limiting infant sleep position, including fender main part, fender main part is right triangle prism structure, and the inclined surface of fender main part is provided with the blocking part, and the sidewall of fender main part is inlayed and is provided with the enclosure mounting hole. The utility model's enclosure assembly passes through the design of the up and down movement of screw column in sliding mouth, can fast regulation height, and the enclosure of lowering in daytime is convenient for nursing personnel to arrange bed, feed or check infant, and the enclosure of lifting in night ensures safety. Compared with traditional fixed height enclosure, the device can realize function switching without disassembling, and the operation is simple and direct, and knob control does not need additional tool, and is suitable for hospital, confinement center and other high frequency nursing scene. The limiting function of fender assembly further reduces the hindrance in the nursing process, ensures infant in the safety area, significantly improves the nursing efficiency, reduces the operation burden of medical staff or parent, and satisfies the diversified nursing demand.

The invention provides a playing control method and device, equipment and a storage medium, and is applied to the multimedia field, and the playing control method in the application comprises the following steps: responding to a playing control request for target multimedia data, and obtaining film source information data and / or multimedia feature data of the target multimedia data; determining target film source loudness of the target multimedia data according to the film source information data and / or the multimedia feature data; and carrying out loudness adjustment on the target multimedia data by using the target film source loudness to obtain a play control result. According to the invention, the loudness consistency and listening sense coherence can be kept when the player plays the mixed multimedia data of the film source type, the watching experience of a user is improved, and the operation burden of the user is reduced.

The invention belongs to the technical field of building interior wall detection, and discloses a building interior wall verticality detection device, which comprises a movable rack, a detection mechanism, a detection mechanism and a control mechanism, and is characterized in that the movable rack is provided with a guide mechanism for moving in a manner of being attached to a wall surface; and the gravity sensing assembly is pivoted in the movable rack and comprises a pendulum bob which generates relative swing along with the inclination of the movable rack, and a triggering magnetic piece is arranged at the lower end of the pendulum bob. The inclination state of the movable rack is sensed in real time through cooperation with the gravity sensing assembly, the detection process can be continuously carried out when the movable rack moves along a wall, the operation burden caused by point-by-point staying alignment and visual inspection reading is reduced, the inspection efficiency is improved, the pendulum bob and the triggering magnetic part are adopted as inclination triggering sources, and the detection accuracy is improved. The triggering displacement is realized by utilizing the magnetic force action of the stress magnetic piece and the impact piece, so that the triggering process is mainly based on magnetic force coupling, the frictional wear and clamping stagnation probability of a pure mechanical shifting structure is reduced, and the long-term stability of a triggering threshold value is favorably kept.

The utility model discloses power plant electrical maintenance equipment, which relates to the technical field of power plant electrical maintenance and comprises a vehicle body, a push rod is fixed on one side of the vehicle body, a driving motor is controlled to drive a driving gear to rotate, so that the driving gear and a driven gear are in transmission on the inner wall of a groove block, and then the driven gear drives a lead screw to rotate. The inner wall of the concave block is installed on one side of the vehicle body in a matched mode, the outer wall of the limiting column is arranged on the inner wall of the concave block in a sleeved mode, the outer wall of the convex block slides on the inner wall of the hole plate, and therefore the electric equipment of the power plant can be effectively maintained better. The inner wall of the concave block is installed on one side of the vehicle body in a matched mode, and the outer wall of the convex block slides on the inner wall of the hole plate; a worker can conveniently use the push rod to drive the vehicle body to move back and forth in the power plant, so that the brush fixed on the outer wall of the concave block quickly cleans the bottom of the electrical equipment in the power plant, the worker is prevented from stooping to clean the electrical equipment one by one, and the operation burden of the worker is reduced.

The utility model relates to a valve line-shaped handle lever type locking device, a valve line-shaped handle and a valve, the lever type locking device comprises a locking component, a mounting component and a limiting component, and the locking component comprises a connecting part and a clamping part arranged on the connecting part. The connecting part is used for being arranged on the valve linear handle in a reciprocating motion mode along the valve linear handle, when the locking component is located at the locking position, the clamping part is matched with the valve body in a clamping mode, and when the locking component is located at the unlocking position, the clamping part is separated from the valve body; the mounting part is fixedly arranged on a linear handle of the valve; the limiting component comprises an assembling part, a stop part and an elastic part, the assembling part is rotatably arranged on the mounting component, the stop part is arranged on the assembling part, the elastic part is arranged between the assembling part and the mounting component, and the elastic part is used for applying acting force to the assembling part to enable the position, provided with the stop part, of the assembling part to be close to the linear handle of the valve; therefore, the stopping part has the trend that the distance between the stopping part and the linear handle of the valve is smaller than the minimum preset distance.

The present application belongs to the field of internal combustion engine vehicle control technology, and provides an internal combustion engine vehicle running part component shedding monitoring emergency treatment system and a control method thereof. The system is equipped with a running part component shedding trigger circuit and an intermediate relay with three auxiliary contacts, cooperates with an alarm circuit, a PLC controller, a rotating speed sensor, a pressure transmitter and an emergency brake, realizes automatic determination of the running state of the vehicle, can alarm the driver to take braking measures after the component shedding, and can make the vehicle stop timely without human intervention, thereby reducing the possibility of human operation errors, reducing the operation burden of the driver, and improving the safety of vehicle operation.

The utility model discloses a kind of stacking machine with walking positioning device, it is related to stacking machine technical field, including base, the top of base is fixed with stacking machine main body, by controlling vehicle body to move to the destination needing to stack carton, control hydraulic pump drives push plate to move downwards, until the conical column fixed with the bottom end of push plate is embedded with ground installation, make vehicle body in specified area limit installation, control stacking machine main body to stack carton and arrange, to avoid staff repeatedly to disassemble and transport stacking machine, reduce the operation burden of staff, by the bottom end of base and the top of vehicle body abut, use two limit plates respectively at the top of groove block sliding, use the outer wall of stud and the inner wall of limit plate penetration thread, make the bottom end of stud and the inner wall of vehicle body thread, so that the bottom end of base and the top of vehicle body fastening installation, simultaneously conducive to subsequent staff disassembly maintenance between vehicle body and base.

This utility model provides an automatic weighing device for preventing the diffusion of carbon black in tire production, belonging to the field of carbon black production technology. The device includes a storage cylinder, a weighing cylinder, a sealing cap, and a conveying pipe. The storage cylinder is shaped like an inverted frustum, with a rectangular outlet at its bottom. The weighing cylinder is positioned below the storage cylinder, with a rectangular inlet at its top corresponding to the outlet at the bottom. The weighing cylinder is cylindrical. The sealing cap is connected to the bottom of the storage cylinder via a hinge shaft, the axis of which is parallel to the long side of the rectangular outlet. The sealing cap is used to open or close the rectangular outlet at the bottom of the storage cylinder. One end of the conveying pipe is connected to the side wall of the weighing cylinder, and the conveying pipe is L-shaped. The other end of the conveying pipe extends downwards at an angle. This utility model solves the problem in the prior art where carbon black weighing during tire production causes carbon black dust to diffuse into the surrounding environment, resulting in additional production costs and safety hazards.

The invention belongs to the field of aviation electrical control, and particularly relates to an intelligent integrated display controller. Comprising an intelligent identification module used for identifying pilot gestures and cockpit safety; the voice recognition module is used for recognizing a voice command of a pilot and the safety of the cockpit; the attention improving module is used for identifying the operation timeliness and accuracy of the pilot and reminding the pilot through sound and light effect; the data input and output module comprises an internal bus and an external bus and is used for data transmission; the main processing module is used for comprehensively processing and controlling pictures and data after receiving external bus data of the data input and output module and resolving the resolving results of the intelligent recognition module, the voice recognition module and the attention promotion module; and the graph drawing module is used for drawing graphs.

The application discloses a starry sky photographing method and device and a computer readable storage medium, wherein the method comprises the following steps: when entering a viewfinder interface of starry sky photographing, acquiring a star set, setting star drawing parameters, and determining the positions of celestial bodies in the star set; performing celestial body drawing according to the star drawing parameters and the positions of the celestial bodies, and displaying the drawn celestial body image in the viewfinder interface; when receiving a composition regulation instruction and a photographing instruction of the starry sky photographing, performing smear identification and elimination on the reconfigured celestial body image in combination with photographing parameters corresponding to the photographing instruction, to generate a starry sky image after enhancement processing. A humanized star track photographing scheme is realized, the photographing adjustment time during starry sky photographing is saved, the operation burden of a user is reduced, the effect of starry sky image photographing and the flexibility of production are improved, and the user experience is enhanced.

The utility model discloses a pair of novel medical surgical suture passing forceps, which comprises a tip tube, a needle tube and a needle tube, the tip jaw is arranged at one end of the tip tube; a needle containing tube is arranged in the tip jaw, and an opening in one end of the needle containing tube faces upwards; one end of the movable jaw is matched with one end of the tip jaw to form a tong head; the skylight through hole is formed in the movable jaw corresponding to the position of the needle accommodating tube opening; the movable skylight is arranged in the skylight through hole; one end of the movable skylight is zigzag, and the other end of the movable skylight is rotationally connected with the movable jaw; the connecting rod is arranged in the tip tube in a sliding manner; wherein the other end of the movable jaw is rotationally connected with one end of the connecting rod and the tip pipe; the needle head end of the suture needle is arranged in the needle containing tube in a sliding manner; the operating handle is connected with the tip tube, the connecting rod and the other end of the suture needle; and the handle self-locking mechanism is arranged on the operating handle.

The utility model provides a kind of foldable cart, it is related to the technical field of folding bicycle.The foldable cart includes support assembly, first connecting assembly and first elastic piece, support assembly includes at least two pairs of telescopic pieces, at least two pairs of telescopic pieces are oppositely arranged and are interconnected, first connecting assembly is connected between the two telescopic pieces of each pair, first connecting assembly can drive telescopic piece to lengthen or contract, so that foldable cart is in the state of folding and stretching, two ends of first elastic piece are connected with first connecting assembly respectively, first elastic piece is used to be in the state of stretching under folding, and elastic recovery force is generated in the process of conversion from folding to stretching and acts on first connecting assembly, so as to realize the convenient conversion from folding to unfolding, improve the usability and market adaptability of product.

The utility model relates to the technical field of elevator accessory transfer, and discloses a transfer device for elevator accessory production, which comprises a frame, a transfer box and an L-shaped placing plate, a pull limiting mechanism is arranged on the right side of the upper surface of the frame, and the pull limiting mechanism comprises a fixing plate, a limiting spring, a telescopic rod and a fillet block. And a limiting groove is formed in the center of the interior of the L-shaped placing plate. According to the transfer device for elevator accessory production, a fillet block is automatically clamped into a limiting groove of an L-shaped containing plate under the action of a limiting spring and a telescopic rod, it is ensured that the L-shaped containing plate is stable and not loosened in the elevator accessory containing process, and the situation that accessories slide down due to vibration or inclination is avoided; the L-shaped placing plates and the rectangular strips at the bottom of the transfer box are designed in a sliding fit mode, fixing or taking-out can be completed only by pushing and pulling during loading and unloading, the working efficiency is improved, then the problem of how to place elevator accessories more quickly is solved, and the effect of more convenience during transfer and placement can be achieved.