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257 results about "Operation room" patented technology
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Pole climbing robot for wind power tower pole
The invention discloses a pole climbing robot for a wind power tower pole, which is characterized in that the robot mainly comprises a robot body, 4-8 pole climbing mechanisms, a snake-shaped swing arm and a movable studio, wherein the snake-shaped swing arm and the movable studio are mounted on one side of the robot body; the robot body is an annular body formed by combining two semicircular cambered bodies or three equal cambered bodies; the diameter of an internal ring of the circular body is matched with the diameter of the wind power tower pole; the pole climbing mechanisms mainly comprise upper foot wheels, lower foot wheels, connecting arms, driving gears, thrust screw rods, nut gears and supporting seats; the upper foot wheels are connected with the lower foot wheels by the connecting arms through wheel shafts; the connecting arms are connected with the thrust screw rods by connecting pin shafts on the connecting arms, and form movable hinges; the 4-8 pole climbing mechanisms are distributed in the circular robot body uniformly; the snake-shaped swing arm consists of three swing arm parts, namely a large arm, a middle arm and a small arm; and the movable studio comprises two paralleled linear guide rails, a walk driving device and an operation room.
Owner:HEBEI UNIV OF TECH
Non-contact operating room intelligent voice control method supporting multi-role voiceprint recognition
The invention discloses a non-contact operating room intelligent voice control method supporting multi-role voiceprint recognition, and relates to the technical field of voice interaction control, and the method comprises the following steps: S100, collecting full-band noise signals of all high-frequency operation equipment in an operating room in different operation states, extracting harmonic frequency, amplitude and phase features, and carrying out the recognition of the full-band noise signals; and constructing a harmonic noise characteristic database, and establishing and dynamically updating an environmental noise baseline model. According to the invention, through the dynamic environment noise baseline model and personalized voiceprint recognition, frequency spectrum isolation and accurate voice separation of high-frequency operation equipment noise and doctor voiceprint are realized. In combination with space and frequency spectrum dual-domain decoupling and voice integrity detection, and through dual verification of voiceprint identity and non-contact action, it is ensured that an instruction sender is true and effective. And a closed-loop defense mechanism is formed through permission level comparison and context semantic verification, so that error identification and error control are effectively prevented, and the safety, accuracy and continuity of the operation process are guaranteed.
Owner:SHENZHEN YOUJIAN MEDICAL TECH CO LTD
Information input system for work machine
PendingUS20260049461A1Soil-shifting machines/dredgersElectric/fluid circuitControl engineeringMachine
An object of the present invention is to provide an information input system for a work machine capable of performing various kinds of settings of a work machine by using an information terminal while preventing an erroneous operation of the work machine. Therefore, in an information input system for a work machine including: a controller that is mounted on the work machine; and an information terminal that inputs information to the controller via communication, an input of the information from the information terminal to the controller is disabled in a case where the information terminal is located at a predetermined position in an operation room of the work machine.
Owner:HITACHI CONSTRUCTION MACHINERY CO LTD
Method and system for constructing virtual operating room resource library for reappearing marine operation scene
The invention belongs to the technical field of medical training, and particularly relates to a method and a system for constructing a virtual operating room resource library for reappearing an offshore operation scene, and the method comprises the following steps: 1, collecting offshore medical data and scene demands: collecting an offshore environment and medical data, and determining medical care core capability demands; in the application, coupling parameters generated by a sea condition dynamic sensing module drive a mixed reality scene rendering module to present real shake and environment change; meanwhile, parameters are synchronously input to the equipment modeling module, fault response of virtual equipment is triggered, a user operates the virtual equipment through the interaction module and executes an operation on a virtual human body model, and the resource library management module guarantees reusability and updatability of resources in the whole process. Through real-time data linkage among the modules, total-factor dynamic coupling of sea conditions, scenes, equipment and operation objects is finally realized, and the problem of simulation distortion of a traditional system is solved.
Owner:THE FIRST AFFILIATED HOSPITAL OF NAVAL MEDICAL UNIVERSITY OF CHINESE PEOPLES LIBERATION ARMY
Manual high-pressure parts washer
The present invention relates to a manual high-pressure parts washer for safe and effective machine part washing while maintaining cleaning solution quality and protecting pump performance.The washer includes a main body (10) with internal space divided by partition (11) and vertical plate (12) into upper operation room (13), lower machine room (14), and water storage room (15). An opening (16) with door (20) is formed at the upper side. A cleaning solution spray pipe (30) is provided inside the main body (10). A glove-shaped sleeve (40) extends into the operation room (13) through fixing hole (22a) in door (20) for user hand insertion. Water supply unit (50) supplies cleaning solution from water storage room (15) to spray pipe (30).The operator arranges parts in operation room (13) and sprays cleaning solution for washing. This provides simple structure for easy parts cleaning.
Owner:LEE JAE KEUN +1
Patient privacy data protection method used in operating room
PendingCN120956401AKey distribution for secure communicationUser identity/authority verificationStatistical analysisCiphertext
The invention relates to the technical field of medical information security, and discloses a patient privacy data protection method used in an operating room. The method comprises the following steps: uniformly coding patient privacy into a binary system, zero-filling the binary system into a square matrix, and filling according to rows; a disturbance seed is generated through combination of operating room environment temperature and noise quantification, and chaotic mapping is driven to carry out two-dimensional replacement on a matrix; applying position-related mask XOR to the sub-blocks, and overturning odd columns or even rows according to global parameters; and then linearization is carried out according to rows and filling is eliminated, and a final ciphertext is output. Meanwhile, disturbance control parameters are constructed and bound, and then Hash check is calculated and structured packaging is carried out. Through global and local double-layer disturbance, field seed driving and reversible coding, the scheme enhances the resistance to statistical analysis, plaintext attack and replay attack on the premise of no fixed key, and gives consideration to real-time performance, security and traceability.
Owner:BEIJING SHIJITAN HOSPITAL CAPITAL MEDICAL UNIVERSITY
Master slave separated embolization agent mixing and bolus injection device
PendingCN122096891AShaking/oscillating/vibrating mixersTransportation and packagingPharmacy medicineEmbolization Agent
The application discloses a master-slave separated embolism agent mixed injection device, which solves the liquid layering phenomenon in the operation process, and comprises an execution end arranged in an operating room and a control end arranged in a control room and capable of controlling the execution end. The control end comprises an embedded controller, a signal collector and an injection handle, the control end and the execution end are in wireless communication, the execution end comprises a drug carrying module, a shaking module and an injection module; the drug carrying module is used for carrying a needle cylinder carrying a drug; the injection module is used for pushing the needle cylinder on the drug carrying module in an injection direction to perform injection; and the shaking module is used for reciprocating the needle cylinder in the drug carrying module in a direction perpendicular to the injection direction. In the application, the shaking module realizes reciprocating operation by cooperation of a rack and a non-complete gear, the needle cylinder can realize small-range shaking in a horizontal plane, and finally the purpose of mixing the drug liquid is achieved, which is close to the artificial mixing process.
Owner:HEBEI UNIV OF TECH
Rinser
Owner:SHENYANG ZHIJIA TECH CO LTD
Automatic lubrication oil injection device and system
The embodiment of the invention relates to the technical field of lubricating oil injection, and provides an automatic lubricating oil injection device and system.The device comprises a quick-change lubricating assembly, the quick-change lubricating assembly is used for being installed on equipment to be lubricated to provide lubricating oil, and the quick-change lubricating assembly comprises a quick-change main body, a feeding cavity and a discharging cavity, the feeding cavity is provided with a first discharging opening, and the first discharging opening is used for supplying lubricating oil; the first piston is arranged in the feeding cavity in a sliding mode and used for pushing out lubricating oil in the feeding cavity. The elastic piece is used for pushing the first piston to push out the lubricating oil; and the first plug is arranged at the first discharging opening and used for sealing the first discharging opening, and the first discharging opening can be opened after the first plug is inserted. According to the technical scheme, the technical problem that in the prior art, mechanical equipment lubricating liquid in a glove box and a radiation shielding operation chamber is inconvenient to add is solved.
Owner:BEIJING XUANYU INTELLIGENT TECH CO LTD
Air supply device for operating room
The utility model relates to the technical field of operating room air supply devices, in particular to an operating room air supply device which comprises a base, the top of the right side of the base is fixedly connected with the bottom of an air inlet piece, and air enters an air outlet box through a fan after being filtered by a filter plate. When the air outlet box is opened, the rotating shaft rotates and drives a limiting shaft to rotate through a transmission belt at the same time, when the limiting shaft rotates, a rotating rod is indirectly driven to rotate through meshing force between a first gear and a second gear, then a second protection plate rotates around the rotating rod, and an ultraviolet lamp in a groove can sterilize air; after the device is used, the motor rotates reversely to drive the first protection plate and the second protection plate to rotate reversely, so that the device can open the air outlet box and the groove during air supply and can be closed when not used, dust and pollutants are effectively prevented from entering the device, and the device is kept clean and stable in performance.
Owner:GUANGZHOU HUAJING ENG CO LTD
Operating room needle searching device
Owner:保定市第一中心医院
Operating room wardrobe convenient to store
The operating room wardrobe convenient to store comprises a wardrobe body, a first partition plate is vertically arranged in the center of the interior of the wardrobe body, Z-shaped partition plates are arranged on the two sides of the first partition plate respectively, and the interior of the wardrobe body is divided into four clothes storage cavities by the Z-shaped partition plates and the first partition plate jointly; each clothes storage cavity is provided with a cabinet door rotationally connected with the cabinet body. A partition plate mechanism is arranged in the clothes storage cavity on the upper side. The internal space utilization rate is high, and clothes can be conveniently placed in a separated mode through internal subareas.
Owner:ZHEJIANG UNIV
Dustproof structure for expansion joint of clean operating room
The utility model provides an expansion joint dustproof structure of a clean operating room, and relates to the technical field of expansion joint construction, and the expansion joint comprises a ground expansion joint, a top surface expansion joint and a wall surface expansion joint; a base is arranged at the top of the ground expansion joint, a floor is arranged at the upper end of the base and detachably connected with the base, a water stop belt is arranged on the inner upper portion of the ground expansion joint, and a first fire retardant belt is arranged on the inner lower portion of the ground expansion joint. Second fire retardant belts are arranged in the top face expansion joint and the wall face expansion joint, a closed isolation bin is arranged outside the top face expansion joint and the wall face expansion joint, and a decorative face layer is arranged at the outer side end of the closed isolation bin. The expansion joint cover plate can solve the problem that the air tightness of a traditional expansion joint cover plate cannot be guaranteed.
Owner:THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU
Potential spatial training of operating room data
Various disclosed embodiments provide systems and methods for training a machine learning system to anticipate semantic features of operating room data even in the absence of fully labeled data. Specifically, embodiments may compress and then reconstruct available operating room data, even if the data is not tagged, and, in doing so, instruct a coding and decoding machine learning system to identify semantic features that are significant for downstream training and applications. Further, many disclosed embodiments accommodate a wide variety of forms of operating room data, such as pairs of visual intensity video operating room data and depth frame video operating room data. Masking, loss, and other public features may further improve the ability of the system to infer semantic relevance. Using various disclosed embodiments, machine learning applications can be made possible, which would otherwise be infeasible in low data operating room data conditions.
Owner:INTUITIVE SURGICAL OPERATIONS INC
Tissue separator for child operating room nursing
InactiveCN121314809ABioreactor/fermenter combinationsBiological substance pretreatmentsNursing careCell organisation
The invention discloses a tissue separator for child operating room nursing, which comprises a refining rolling structure, a test tube clamping assembly, a clamping base, a main body bracket, a supporting top plate and a rolling assembly supporting arm, and belongs to the technical field of tissue separation. On one hand, the pressure of the cell tissues between the fixing disc and the nylon net can be increased, and on the other hand, the contact area of the cell tissues and the nylon net can be increased, so that the cell tissues form a cell suspension more quickly, and the cell suspension enters the cell suspension storage box through the nylon net to be stored; and the cell suspension can be discharged through the valve on the liquid outlet at the bottom, so that the cell suspension enters the test tube below.
Owner:BAODING HOSPITAL BEIJING CHILDRENS HOSPITAL CAPITAL MEDICAL UNIVERSITY
Apparatus, method and computer-readable storage medium for allocating operating rooms based on utilization rate by time period
An operating room allocation apparatus may be provided. The apparatus according to an embodiment of the present disclosure may include: an information obtaining unit configured to obtain information about patient's entry and exit times in each operating room; a first calculation unit configured to calculate a utilization rate of the operating room for each certain time period based on the patient's entry and exit times; and a second calculation unit configured to receive certain time information from a user and calculate an average utilization rate by time period in the received time information.
Owner:SAMSUNG LIFE PUBLIC WELFARE FOUND
Dual-mode multi-dimensional sensing intelligent grouting construction equipment
PendingCN121138289ABraking element arrangementsMeasurement devicesArchitectural engineeringContinuous operation
The invention relates to the field of civil construction, and discloses dual-mode multi-dimensional sensing intelligent grouting construction equipment which comprises a dual-mode driving system, a driving operation room is arranged at the rear end of the dual-mode driving system, an intelligent control system is arranged in the driving operation room, and a grouting execution mechanism is arranged at the top end of the driving operation room. A pull-type material station is arranged at the rear end of the driving operation room, and a positioning measurement system is arranged at the front end of the dual-mode driving system. Through four-wheel independent steering, hydraulic suspension and selectable power units depending on a dual-mode driving system, the device can adapt to various complex terrains and long-distance working conditions such as tunnels, fields and cities, and can be quickly moved to various construction points without manual dragging or track laying, so that flexible switching between continuous operation and fixed-point construction is realized; meanwhile, the functions of all procedures such as measuring, drilling, mixing, grouting and waste recycling are integrated, a scaffold does not need to be erected, and extra operation space is not occupied.
Owner:GUOTOU ELECTRIC POWER HOLDINGS CO LTD
Rapidly-mounted electrolytic steel plate for operating room and mounting structure of quickly-mounted electrolytic steel plate
The utility model provides a fast installation type operating room electrolysis steel plate and installation structure thereof, wherein the electrolysis steel plate comprises an electrolysis steel plate body, the electrolysis steel plate body comprises a main body, the main body is provided with a vertically through installation groove, the installation groove is filled with flame retardant cotton, and the front side or the rear side of the two ends of the main body is provided with lap joint grooves. A pair of positioning frames are vertically arranged on the rear side of the body in a spaced mode, locking rods are arranged on the positioning frames in a penetrating and sliding mode, inclined faces are arranged at the ends, away from the positioning frames, of the locking rods, first baffles and second baffles are arranged at the positions, above and below the positioning frames, of the locking rods correspondingly, and limiting blocks used for being in lap joint with the positioning frames are further arranged on the locking rods. The locking rod is sleeved with a tension spring, the two ends of the tension spring abut against the positioning frame and the second baffle correspondingly, and a penetrating groove is further formed in the locking rod. According to the fast-assembly type electrolytic steel plate for the operating room, the electrolytic steel plate body can be fast assembled and disassembled conveniently, and the fast-assembly type electrolytic steel plate has good fireproof, sound-insulation and radiation-proof performance.
Owner:HENAN LVYOU ENVIRONMENTAL TECH CO LTD
Shadowless lamp and operating room system
The application relates to the technical field of shadowless lamps, in particular to a shadowless lamp and an operating room system. The shadowless lamp comprises a base, a walking wheel assembly connected to the base and located at a first side of the base, the walking wheel assembly being used for moving the base relative to the ground, a support connected to the base and located at a second side of the base, the first side and the second side being oppositely arranged along a vertical direction, a lamp body connected to the support and having a first state and a second state, when the lamp body is in the first state, a light-emitting surface of the lamp body faces one side where the base is located, when the lamp body is in the second state, the light-emitting surface of the lamp body faces away from one side where the base is located, and one side of the walking wheel assembly close to the support is formed with a mounting space used for mounting a guide rail, so that the walking wheel assembly can be hung on the guide rail after the base is inverted. The application can improve the installation convenience of the shadowless lamp.
Owner:SHENZHEN GENERAL INST OF ARCHITECTURAL DESIGN & RES
Operating Room Video Analysis Systems and Methods
ActiveDE602021053582T2Mechanical/radiation/invasive therapiesMedical automated diagnosisSimulationOperation room
Owner:BAXTER MEDICAL SYST GMBH & CO KG
Spraying system of cantilever type heading machine
The utility model discloses a cantilever type heading machine spraying system in the technical field of cantilever type heading machines, which comprises a cantilever type heading machine body, an operation room is arranged on the top of the body and close to one side, a base is arranged on one side of the body and located on the front side of the operation room, and a water tank is arranged on the top of the base. The damping assembly in the base can support the water tank and prevent the water tank from violently shaking or shifting, atomization dust falling is conducted on the front end of the tunneling arm through the water pumping piece and the mist spraying piece, dust is prevented from polluting the operation environment, and the problems that when existing equipment conducts tunneling operation, a large amount of dust is generated easily, and the dust pollutes the operation environment easily are solved. The problems that in the prior art, an atomization water supply structure is not convenient for operators to observe, the anti-seismic buffering protection effect between the atomization water supply structure and equipment is poor, the equipment shakes violently, a water storage tank is damaged, and the atomization water supply stability of an atomization mechanism is affected are solved.
Owner:JILIN TAIJIA MINING EQUIP CO LTD
AI empowerment-based intelligent operating room air quality prediction and supervision system
The application discloses an intelligent operating room air quality prediction and supervision system based on AI empowerment, which comprises a multidimensional data perception layer, an AI analysis engine and an intelligent supervision platform. The multidimensional data perception layer comprises a particle monitoring network and a parameter acquisition module. The particle monitoring network is arranged in layers around the operating bed to collect multi-particle size particle concentration data through sensors. The parameter acquisition module acquires environmental parameters. The AI analysis engine comprises a time series database, a multi-factor correlation analysis model and a prediction and early warning module. The time series database constructs a four-dimensional data storage structure. The multi-factor correlation analysis model establishes the correlation between the air quality index and the environmental parameters. The prediction and early warning module predicts the particle concentration trend based on the four-dimensional data storage structure and triggers a hierarchical early warning. The intelligent supervision platform generates control instructions according to the hierarchical early warning and collects data to optimize the model. The application realizes accurate prediction, active control and closed-loop optimization of the air quality in the operating room, and improves the control efficiency and medical safety.
Owner:SHENZHEN NANSHAN DISTRICT PEOPLES HOSPITAL
Portable operating room refrigerating box
The utility model relates to the field of medical instruments, and provides a portable operating room refrigerating box which comprises a box body. And the square groove is formed in one side of the box body, and a first sealing plate is movably embedded in the inner wall of the square groove. During use, the two containing boxes are taken out from the interiors of the two frames, ice bags in the two containing boxes are poured out, the ice bags containing ice blocks are placed in the two containing boxes, and medicine bottles needing to be refrigerated are placed on the two sides of a partition plate; at the moment, the bottom plate is placed in the box body, the first sealing plate is located in the square groove, the second sealing plate abuts against the four sides of the inner wall of the box body, the gap between the box body and the box cover is blocked through the first sealing plate and the second sealing plate, cold air is prevented from overflowing, and therefore when the refrigerating box is used, the box cover is connected without a hinge, and cold air leakage is prevented; therefore, temperature fluctuation in the refrigerating box is caused, the refrigerating effect of the refrigerating box is improved, and the ice bags are convenient to take.
Owner:THE THIRD PEOPLES HOSPITAL OF SHENZHEN
Ophthalmic phacoemulsification device
1. The name of the design product: ultrasonic emulsification instrument for ophthalmology. 2. The use of the design product: used in ophthalmic operating room, the operation equipment for cataract lens core fragmentation, perfusion and suction and anterior segment vitrectomy and electrocoagulation. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view 1.
Owner:SIERRAN MEDICAL SYSTEMS (SUZHOU) CO LTD +1
WIRELESS OPERATING ROOM COMMUNICATION SYSTEM WITH VIDEO OUTPUT DEVICE AND VIDEO DISPLAY
Owner:STRYKER CORP
Ultra-silence operating room purification air conditioning equipment
ActiveCN223924960UDucting arrangementsLighting and heating apparatusControl engineeringAir conditioning
The utility model relates to the technical field of operating room air purification, and discloses ultra-silence operating room purification air conditioner equipment which comprises an air conditioner body, an air guide pipe is fixedly connected to the outer wall of the air conditioner body, an air inlet box is fixedly connected to the outer wall of the air guide pipe, and a protection frame is slidably connected to the outer wall of the air inlet box. A fixing plate is fixedly connected to the outer wall of the air inlet box, a lead screw is in threaded connection with the interior of the fixing plate, a bearing is fixedly connected to the outer wall of the lead screw, a trapezoidal block is fixedly connected to the outer wall of the bearing, a sliding block is slidably connected to the inner wall of the trapezoidal block, and a limiting frame is slidably connected to the outer wall of the trapezoidal block. According to the utility model, through the mutual cooperation of the fixing plate, the screw rod, the bearing, the trapezoidal block, the sliding block, the limiting frame and the fixing frame, the mounting and dismounting of the protection frame are simplified, and the time for maintaining, overhauling, cleaning and replacing parts of the air inlet box is reduced, so that the time cost is saved, and meanwhile, the fault of the air inlet box can be conveniently handled in time.
Owner:SHANGHAI YAOWEI CONSTR ENG CO LTD
Floor type boring and milling machine
The invention discloses a floor type boring and milling machine, and particularly relates to the technical field of milling machines, the floor type boring and milling machine comprises a shell, a guide structure used for adjusting the position of the shell is arranged at the lower end of the shell, a milling structure is arranged in an inner cavity of the shell, dustproof partition plates are installed at the upper end and the lower end of the milling structure, and the two dustproof partition plates are distributed in an annular path; and an operation room fixedly connected with the milling structure is mounted on one side of the shell. According to the floor type boring and milling machine, workpiece cutting operation is completed through the milling structure, dust-proof partition plates distributed at the upper end and the lower end of the milling structure in an annular path mode are matched, chippings and dust are prevented from entering internal gaps of the milling structure, part abrasion is avoided, the transmission precision is guaranteed, dust accumulation can be reduced, the maintenance frequency is reduced, and the service life of equipment is prolonged; and meanwhile, through the operation room fixedly connected with the milling structure, a safe operation space is provided for workers, and the safety and convenience of machining operation are guaranteed.
Owner:QINGDAO HUITENG MACHINERY EQUIP
Novel instrument tray for operating room nursing
The novel operating room nursing instrument tray comprises a bottom plate, vertical rods are symmetrically arranged at the upper end of the bottom plate, the outer surfaces of the vertical rods are sleeved with lifting sleeve rods, the lower ends of the lifting sleeve rods are fixedly connected with a connecting frame, one side of the connecting frame is fixedly connected with a transmission motor, and the other side of the connecting frame is fixedly connected with a lifting rod. A worm is fixedly connected to an output shaft of the transmission motor, a worm gear is arranged on one side of the connecting frame, a walking gear is fixedly connected to one side of the worm gear, a walking rack is fixedly connected to one side of the vertical rod, and rotating frames are rotationally connected to one sides of the two lifting sleeve rods; and a plurality of tray placing frames are rotationally connected between the two rotating frames. By arranging a transmission angle, a worm, a worm gear, a connecting frame, a walking gear and a walking rack, the lifting sleeve rod is driven to ascend and descend, then the using height of the tray is adjusted, the using effect is good, meanwhile, through the self-locking performance of the worm gear and the worm, the lifting sleeve rod cannot fall, and stability is good.
Owner:HAIKOU ORTHOPAEDICS & DIABETES HOSPITAL (HAIKOU ORTHOPAEDICS & DIABETES HOSPITAL SHANGHAI SIXTH PEOPLES HOSPITAL)
Push-pull mechanism of rotary fixing pin
The utility model discloses a push-pull mechanism of a rotary fixing pin. The push-pull mechanism comprises an operation control rod, a rotary shaft, a flexible shaft, a protective hose, a support, a chaining head, a pin shaft, a crank arm, a supporting shaft, a connecting plate, a fixing pin and a butterfly-shaped gasket. One end of the operation control rod is in coaxial spline connection with the rotating shaft and the butterfly-shaped gasket and is fastened through a bolt, the rotating shaft is provided with an outer shell, one end of the flexible shaft is fixedly connected with the circumferential face of the rotating shaft, the other end of the flexible shaft penetrates through the protection hose, the other end of the protection hose is fixedly connected with the support, and the flexible shaft is connected with the chaining head at the penetrating-out section of the protection hose. And the supporting shaft is fixed above the chaining head. The mechanism is relatively smooth in the transmission process, the phenomenon of jerking and effort is avoided when the control rod is operated, the force is not different from the force used by direct pin pulling and locking operation, the fixed pin can fall down after shutdown, and the fixed pin does not need to repeatedly enter and exit from an operation room to check whether the fixed pin is aligned or not. And industrial application is facilitated.
Owner:TIANJIN PORT HOLDINGS