47results about How to "Accurate operation" patented technology

An electromechanical brake actuator (400) for vehicles, particularly railway vehicles, is described, comprising a safety unit (401) configured to: receive an electrical position signal (221) whose value indicates the position of a braking force application device (217) along a translation axis (Xt); determine the instantaneous position of the braking force application device (217) based on the value of the electrical position signal (221); and prevent a braking force control signal (204) or a power supply signal (405) from the service brake control unit (202) from reaching the electromechanical module (201) by a first interruption device (403) when: a) the safety unit (401) determines that the braking force application device (217) is in a position between a maintenance position and a stationary position; or b) the safety unit determines that the braking force application device (217) is moving from a stationary position to a maintenance position. A braking system is also described.

The utility model provides a kind of flexible operating mechanism and natural cavity robot, wherein flexible operating mechanism includes: first joint, second joint, surgical operation structure and driving device;First joint is equipped with the first rotation axis with the first included angle of the axis center line of first joint, and the first rotation axis is in the plane of the axis center line of first joint;Second joint is equipped with the second rotation axis with the second included angle of the axis center line of second joint, and the second rotation axis is in the plane of the axis center line of second joint;Surgical operation structure can be under the drive of driving device Surgical action is carried out.By using the above technical solution, first joint and second joint are respectively provided with the rotation axis with the first included angle and the second included angle of the axis center line, and the rotation axis is in the plane of the axis center line, and the rotation of two joints around non-orthogonal shaft is independently controlled by driving line, so that the surgical operation structure at the end forms composite space movement track, and the displacement precision of surgical operation structure is improved.

This invention discloses a mouse fixation device for multi-site acupuncture experiments, belonging to the field of mouse acupuncture point experiments. It consists of a support base, a telescopic support rod, and a mouse fixation assembly, which is movably connected to the support rod. The mouse fixation assembly includes a bracket and upper and lower fixation plates, which are adjustable in multiple dimensions via first and second self-locking rotating shafts. The upper and lower fixation plates close with an interference fit between fitting bosses and fitting openings. The central operating port is equipped with a rigid rubber adjustable fixing grid, which, along with a lever, can avoid acupuncture points. The lower fixation plate grid has adhesive straps corresponding to the mouse's limbs and head, with pre-reserved gaps between the plates. A suction cup is provided at the bottom of the support base to stabilize the device. This device achieves double secure fixation of the mouse, with flexible and adjustable operating angles, avoiding acupuncture point obstruction, protecting the mouse from mechanical damage, improving the accuracy and efficiency of acupuncture experiments, and adapting to the needs of multi-site acupuncture experiments on mice.

This utility model discloses a rapid support device for steel reinforcement layers based on the linkage of a graduated vertical pole and a hook-shaped inclined rod lever; it includes a graduated vertical pole, an inclined rod assembly mounted on the graduated vertical pole, and a height control rod mounted on the graduated vertical pole; the middle part of the inclined rod assembly is movably mounted on the graduated vertical pole through an adjustment mechanism to form a lever structure, and the adjustment mechanism can lock the position of the inclined rod assembly; the height control rod can move up and down along the graduated vertical pole and is locked by a rod locking mechanism; this utility model utilizes a simple lever formed by the graduated vertical pole and the inclined rod, and only a relatively small force needs to be applied to the force pedal to hook the front end of the inclined rod to lift the upper layer of steel reinforcement mesh, saving manpower and improving efficiency.

The application relates to a medical orthopedic quick drill bit, which comprises a drill bit body composed of a drill bit part and a drill rod part, wherein the drill bit part is provided with circularly arranged cutting edges for bone positioning and hole forming, and the drill rod part is designed as a light rod; a connecting piece is connected with the drill bit body at one end and fixed with a driving piece at the other end, and the two are quickly separated through a split device containing a clamping piece and a disengaging piece, so that safe disconnection is ensured when the pressure of the medullary cavity or cancellous bone is abnormal. The application has the technical effects of improving the operation efficiency, enhancing the safety and reducing accidental injuries.

The application discloses a visual cleaning device for cleaning or medicine feeding of a human cavity such as a vagina or a rectum, which comprises a cleaning device shell, a cleaning assembly, a camera assembly and a flexible expansion assembly; the flexible expansion assembly comprises a plurality of flexible air bags arranged in a circumferential direction on a surface of an insertion end, and each flexible air bag is independently controlled by a control module, so that the flexible air bags are controllably contracted or expanded; on one hand, the flexible air bags in an expanded state are in flexible contact with an organ, so that the use comfort of the cleaning device is improved; on the other hand, the flexible air bags in a contracted state can form an avoiding space to avoid a wound surface; the camera assembly comprises a camera arranged at an end of the insertion end and is used for observing the inside of the cavity in real time. Through the cooperative design of the assemblies, the visual cleaning device realizes the functions of flexible expansion introduction of the cavity, visual accurate operation and selective wound surface avoiding, and mechanical damage to the human body is avoided, and the comfort of a patient is improved.

A method of receiving, by a terminal according to one embodiment of the disclosure, a physical downlink shared channel (PDSCH) in a wireless communication system includes receiving downlink control information (DCI) for scheduling the PDSCH, and receiving the PDSCH based on the DCI. The PDSCH is related to a code word generated based on a polar code.

The utility model relates to cutting equipment technical field provides a numerical control angle saw device, including processing platform and saw cutting mechanism, the one side of processing platform is connected with the feeding device, and the feeding seat is assembled with the sliding on feeding device, and the extension is equipped on feeding seat, and the outer periphery of processing platform is paved with the protective baffle, and the support is erected in processing platform and is equipped with the material seat, and the positioning space that the profile is placed is formed with the extension between the material seat cooperation, saw cutting mechanism includes adjusting assembly, saw cutting cutter and the mount that fixes in processing platform, and adjusting assembly is slidably arranged on the mount and can lift relative mount, and the adapter structure is rotationally arranged on adjusting assembly, and the adapter structure is connected with saw cutting cutter, and saw cutting cutter is located above positioning space, the utility model solves the problem that manual operation precision is not high, artificial positioning efficiency is low and the risk problem that open type processing exists, and has simple structure and low manufacturing cost's advantage.

The application discloses a wireless audio and video information transmission device for a high tower crane, which is characterized by comprising an audio and video collection module, an audio and video coding module, a laser communication module, an audio and video decoding module and an audio and video display module, wherein the modules are sequentially connected, that is, the audio and video collection module is connected with the audio and video coding module through a data transmission interface, the audio and video coding module is connected with the laser communication module, the laser communication module is connected with the audio and video decoding module, and the audio and video decoding module is connected with the audio and video display module, so that wireless transmission of audio and video information between the high tower crane and the ground is realized, the tower crane driver can intuitively obtain the situation of the working site, accurate operation is facilitated, and the safety and efficiency of construction are improved.

The utility model discloses an intelligent weak current control cabinet and air washing machine system relates to the technical field of control cabinet, aims at solving the current control cabinet in the layout of the line after bundling is more disorderly, is not favorable to the quick troubleshooting, has greatly increased the technical problem of maintenance difficulty and maintenance cost, including control cabinet body and wiring frame that sets up in control cabinet body, be provided with mounting panel in control cabinet body, wiring frame includes fixed plate, the front end symmetry of fixed plate is provided with second wiring ring and first wiring ring, the side end equidistance of fixed plate is provided with mounting rod, the front end equidistance of mounting rod is provided with connecting rod, the end of connecting rod is provided with wiring ring. The utility model has realized the layering arrangement of line regulation, has greatly promoted troubleshooting efficiency, simultaneously, the wiring ring design of innovation increases the line layout amount, significantly improves work efficiency, effectively reduces the advantages such as maintenance difficulty and cost.

The invention relates to the technical field of medical auxiliary instruments, in particular to a ureter distortion auxiliary supporting guide wire which comprises an extension guide wire, a position guide wire, a guide wire head and a connecting sleeve seat. The position guide wire is provided with an expansion base ring and at least three sets of plate type expansion assemblies driven by a pneumatic mechanism I. The plate type expansion assemblies drive arc-shaped expansion plates to swing through tooth bars, point type and controllable expansion of the narrow portion of the ureter is achieved, and the problems of mucous membrane damage and complete lumen blockage caused by large-area contact of a traditional air bag are solved. And meanwhile, an air cavity and at least three groups of radial movement positioning assemblies driven by a pneumatic mechanism II are arranged in the guide wire head, and an arc-shaped positioning plate is pushed by a multi-stage telescopic cylinder to extend out in the radial direction to form multi-point contact with the inner wall of the renal pelvis, so that stable anchoring of the guide wire head is realized. The operation injury risk can be effectively reduced, smooth perfusion is guaranteed, and the positioning stability of the guide wire in the renal pelvis is improved.

This utility model relates to the field of high-pressure water truck technology, specifically a sanitation high-pressure water truck flushing nozzle, including a frame, a water tank, and a connecting pipe. A dosing pipe is installed at the top of the chemical mixing tank. A cavity for installing a first electric cylinder is provided inside the mounting box. A mounting base is rotatably connected to one side of the mounting box, and a second electric cylinder is fixedly connected to the top of the mounting base. The other end of the movable plate is fixedly sleeved on a branch pipe. A folding pipe is fixedly connected to the top of the branch pipe, and the end of the folding pipe away from the branch pipe is connected to one end of a metal pipe. Multiple nozzle bodies are equidistantly arranged at the bottom of the branch pipe. By adding different chemicals to the chemical mixing tank and mixing them with water in the water tank, this flushing nozzle can not only perform conventional high-pressure water flushing but also spray corresponding mixed solutions for different operational needs such as water spraying maintenance of newly repaired roads and road disinfection, greatly expanding the application range of the high-pressure water truck.

This utility model discloses a welding device for sealing cylindrical battery cells, including a battery cell rotating device, a feeding device, a cylindrical battery cell, a robotic arm, and a welding torch. The battery cell rotating device includes a supporting chassis, a supporting frame fixedly connected to the outer bottom of the supporting chassis, a second servo motor fixedly installed in the middle of the supporting frame, and a rotating disk rotatably connected to the top of the supporting chassis. A limit bracket is fixedly installed in the middle of the top of the rotating disk, and limit slots are evenly formed on the outer side of the limit bracket. The limit slots match the outer diameter of the cylindrical battery cell. This utility model achieves automatic positioning and cyclic transfer of the cylindrical battery cell through the linkage design of the rotating disk and the limit slots. Combined with the synergistic effect of the outer ring limit rod and the feeding lever, it ensures accurate positioning and automatic feeding of the battery cell during rotation, significantly improving welding efficiency.

The application relates to a 1000V photovoltaic energy storage direct-current small circuit breaker, and relates to the technical field of circuit breakers, which comprises a shell of the circuit breaker, an operating mechanism arranged in the shell and used for connecting or disconnecting a circuit, and an arc extinguishing module which is detachably arranged in the shell. The arc extinguishing module comprises a module shell, a shape memory alloy driving piece and a lock tongue, the shape memory alloy driving piece is driven to deform by heat to drive the lock tongue to be clamped into a locking clamping groove in the inner side wall of the shell to realize locking. The application has the technical effects that the arc extinguishing module is detachable, can be locked and displayed after experiencing the heat action of an electric arc, the opening and closing states of the operating mechanism are guaranteed, and the gas in the arc extinguishing module can be effectively led out.

This utility model relates to the technical field of medical devices, and in particular to an ultrasonic surgical aspiration device adapter, including a handle assembly and a blade module detachably connected to the front end of the handle assembly. The front end of the handle assembly is formed with various different angles, so that the ultrasonic scalpel can be formed with various different angles. Its beneficial effect is that by changing the angle of the handle, a corresponding ultrasonic scalpel can be obtained, allowing scalpels with different angles to share the blade module. Therefore, it also reduces the overall cost of the ultrasonic surgical aspiration device adapter, and enables more efficient and precise surgical operations, greatly improving the flexibility of the ultrasonic surgical aspiration device adapter.

A medical retractor avoids medical staff continuously operating the medical retractor with hands, greatly liberates the hands of medical staff, reduces labor cost, and can expand a surgical space, more clearly expose a surgical visual field, and be beneficial to a doctor to perform more accurate surgical operation and shorten a surgical time. The medical retractor comprises a clip fixed end (1), a linking sheath (2), a nut position fixed lock (3), a movable rod (4), and a first clip movable end (5). The first clip movable end is connected with an anterior sheath of a rectus abdominis muscle. One end of the movable rod is connected with the clip fixed end. The body of the linking sheath is a hollow rod. The movable rod is inserted into the body of the linking sheath. The movable rod is fixed in the linking sheath by screwing the nut position fixed lock. One side of the clip fixed end is fixed at the top end of the linking sheath, and the other side clamps a fixed object.

The utility model relates to test machine interface technical field discloses a kind of test machine interface foolproof mechanism, including substrate, fixed hole is equipped on the substrate, for installing and fixing to substrate;A plurality of first mounting hole and second mounting hole are provided on the substrate, the width between the first mounting hole is greater than the width between the second mounting hole, and first mounting hole and second mounting hole are separated by separation groove;It further includes first connector and second connector, the first connector is adapted to install in second mounting hole, and the second connector is adapted to install in first mounting hole.In the utility model, by the width difference of first mounting hole and second mounting hole, the size difference of first connector and second connector, the identification is pasted in the label slot, multi-dimension avoids external control mechanism and sorting machine sorting interface misconnection, guarantees equipment connection and operating accuracy, reduces the risk of equipment failure, sorting anomaly etc. due to misconnection.

This invention relates to the field of rebar cage fabrication technology, specifically disclosing a rebar cage fabrication device, a welding head control method, system, and welding process. The welding process of this invention enables automatic welding of rebar cages. The rebar cage fabrication device includes a base, a plurality of welding heads mounted on the base, and a linear guide rail on the base, with each welding head slidably mounted on the linear guide rail. It also includes a motor for driving the welding heads and a control unit for driving the motor, with each motor corresponding to one welding head. This invention, by sliding the welding heads on the linear guide rail, enables automatic control of the welding head movement using a motor, solving the problems of inconvenience and poor accuracy caused by manual adjustment of the welding heads in existing methods.

The utility model relates to the technical field of maintenance basket, and disclose a kind of for wind driven generator maintenance's basket, the basket for wind driven generator maintenance, including basket body, the lateral wall of basket body is fixedly connected with connecting frame, and the inner wall of connecting frame is provided with stabilizing component.The basket for wind driven generator maintenance, by setting stabilizing component, sucker partially adsorbs on fan shell with the lateral wall of basket body, forms temporary fulcrum, inhibits lateral sway, improves the overall stability of basket, so that maintenance personnel operation is safer, accurate, and the position of sucker is multidirectional adjustable, adapts to different tower drum curvature and installation site, and is strong in versatility, and adjustment is flexible, the end surface of handle pushes cross bar and disc to the movement of sucker, and then disc extrudes sucker, so that sucker is more closely attached on the outer wall of wind driven generator, improves the stability and firmness of adsorption, prevents sucker loosening or falling off under the action of wind or vibration.

The application provides a key fixing structure, which comprises a shell, a key frame fixedly arranged on the inner side of one side surface of the shell, a key hole arranged on the shell, a key arranged on the key frame and protruding from the key hole, a soft single-sided adhesive tape arranged on the key frame, and a key plate arranged on the soft single-sided adhesive tape and provided with a micro switch corresponding to the key. Through the cooperation of the shell, the key frame, the soft single-sided adhesive tape and the key, the key does not need to be provided with a force arm and a hot melting and dispensing process, the stable installation and accurate operation of the key are realized, and the process and cost are saved.

This invention discloses a biodegradable support diaphragm device for preventing intrauterine adhesions, specifically relating to the field of medical device technology. It includes a base and a mounting platform. A fixed tube is mounted on the top of the mounting platform. A pushing mechanism is located at the upper end of the mounting platform. A real-time cleaning mechanism is located at the end of the fixed tube furthest from the mounting platform. A linkage mechanism is provided between the pushing mechanism and the real-time cleaning mechanism. The fixed tube has a pushing port corresponding to the pushing mechanism and a cleaning port corresponding to the real-time cleaning mechanism. A movable sleeve is movably fitted inside the fixed tube, and a support diaphragm tube is movably fitted inside the movable sleeve. A hysteroscopy tube is movably inserted inside the support diaphragm tube. An eyepiece is installed at one end of the hysteroscopy tube, and a hysteroscope lens is installed at the other end. This invention allows for real-time cleaning of the surface of the movable sleeve while it is intermittently advanced, and also allows the hysteroscopy to be used simultaneously with the diaphragm mounting structure.

The application discloses a kind of CMC product continuous production line with flame-retardant function, including feeding mechanism, discharging mechanism and conveying mechanism;Conveying chain of conveying mechanism passes through detection heating cabin, break flame-retardant heating cabin, transition cabin and cooling cabin in turn;A plurality of workpiece mounting seat groups are provided on conveying chain, each workpiece mounting seat group includes several mounting seats;Nitrogen can be filled in detection heating cabin, and preheating can be carried out on the workpiece entering, while the porosity of workpiece can be detected;In break flame-retardant heating cabin, workpiece with excessive porosity can be broken and flame retardant can be added, and workpiece can be main heated in break flame-retardant heating cabin;Transition cabin is used to avoid nitrogen in break flame-retardant heating cabin from losing rapidly when workpiece passes through.This device can realize automatic detection, active break and flame-retardant injection, segmented temperature control and continuous operation, fundamentally reduce fire risk and improve production efficiency.

This utility model discloses a simulated eyeball for ophthalmic surgical demonstrations, comprising a spherical shell formed by splicing two hemispherical shells. The spherical shell includes a scleral simulated shell, an uveal simulated shell, and a retinal simulated shell. At designated locations inside the front end of the spherical shell are simulated structures for the iris, ciliary processes, lens, and suspensory ligaments. The circular hole in the center of the iris simulated structure serves as a simulated pupil. Through its unique three-layer shell design, from the outer scleral simulated shell to the inner uveal and retinal simulated shells, the simulated eyeball accurately reproduces the complex hierarchical structure of the human eye. In particular, the simulated structures within the eyeball, such as the iris, ciliary processes, lens, suspensory ligaments, and pupil, allow trainees to intuitively familiarize themselves with the key internal structures of the eyeball during demonstrations, providing accurate references for surgical procedures and significantly improving the demonstration effect.

The utility model provides a kind of full oxygen formula ladle roaster burner, belong to roaster burner technical field, this full oxygen formula ladle roaster burner includes roaster top end ferrule;Fire jet burner, the fire jet burner is fixedly connected in the lower end of roaster top end ferrule, the circumferential outer surface of fire jet burner is equipped with annular groove;Gas pipe, the gas pipe is equipped with multiple, multiple the gas pipe is all fixedly connected in the upper end of roaster top end ferrule;Flame discharger, the flame discharger is fixedly connected in the lower end of fire jet burner;Flame jet, the flame jet is opened in the lower end of flame discharger and is connected with gas pipe;Adjusting sleeve, utilize the elastic force provided by limiting spring to ensure the close fit between both, so that the operation of adjusting flame diameter is more accurate.

This application relates to a molten pool camera and a laser printing apparatus, including a camera and a housing. The camera is housed within the housing, which has a casing, a top cover, a lens, and a spring plunger. The lens is located at the front end of the camera's lens, and the top cover abuts against the front end of the lens. A limiting groove is formed at the front end of the casing, and the lens is placed within the limiting groove. A latch is formed on the side wall of one end of the limiting groove, and a latching block is formed at one end of the top cover, which can be inserted into the latch. The spring plunger is mounted on the casing, and one end of the spring plunger protrudes from the side wall of the other end of the limiting groove. A positioning groove is formed on the top cover, and the spring plunger can be embedded into the positioning groove. This application utilizes the cooperation between the spring plunger and the top cover to achieve locking. The lens can be replaced and removed simply by manually rotating the top cover. It can be operated accurately even in the narrow space of the sealed cavity of the laser printing equipment, effectively avoiding operational errors caused by limited tool use and reducing the risk of accidental damage to surrounding components.

This utility model relates to the field of aluminum tube manufacturing, specifically an aluminum tube traction machine. It includes a traction rail, a traction machine body slidably mounted on the traction rail, a traction mechanism, a cutting and unloading mechanism, and clamping components. The traction mechanism is located on top of the traction machine body; the cutting and unloading mechanism is located on the traction rail; and the clamping components are located on the traction mechanism. Through the traction mechanism, the motor drives the clamping components to move and clamp aluminum tubes of different sizes that have been extruded. The traction machine then moves the aluminum tube to a designated position to complete the traction. This allows for adaptation to aluminum tubes of different sizes, enables rapid adjustment of clamping parameters, eliminates the need for frequent clamp changes, significantly shortens production preparation time, and improves the overall operating efficiency of the production line. Simultaneously, it provides appropriate clamping and traction forces to ensure uniform force on the aluminum tube during traction, avoiding problems such as deformation and scratches caused by improper clamping, thereby improving product quality.