262 results about "Stable fixation" patented technology

The invention relates to the technical field of gear grinding, and discloses a gear inner ring machining and grinding device which comprises a rotating assembly, a lifting assembly, an inner clamping assembly, a conveying assembly, a guiding assembly, a conductive assembly, an outer clamping assembly, a rotating lead screw, a rotating gear and a grinding assembly. The gear inner ring is accurately positioned through the inner clamping assembly, it is ensured that the gear and the rotating assembly are strictly coaxial, the hole diameter is prevented from being out of tolerance during grinding, the size precision and the surface flatness of the inner ring are ensured, the outer clamping assembly is designed in a self-adaptive clamping mode and can be matched with the gear with the irregular outer surface, and flexible attaching and rigid supporting are combined, so that the machining precision of the gear is improved. Even if not all clamping surfaces are in contact, the axis can be kept stable, and stable fixation can be achieved without complex adjustment. And the inner clamping assembly can return to the telescopic positioning cavity after positioning is completed, interference to grinding operation is avoided, and the grinding effect is further guaranteed in cooperation with precise feeding of the grinding assembly.

The invention discloses a power taking and replacing device applied to a robot camera, and relates to the technical field of power transmission, and the power taking and replacing device comprises a protection unit which comprises a protection cylinder, a plurality of groups of open grooves, a plurality of groups of driven parts and a protection cover; the replacing unit comprises a fixed cylinder, a cover cylinder, a movable cylinder and a driving part. The mechanical arm has the beneficial effects that the camera can be quickly mounted on the mechanical arm, stably fixed, effectively protected against impact and conveniently maintained, and the lens can be quickly replaced. And through forward rotation locking of the cover cylinder and fixation of the camera shooting integrated board by the baffle plate, installation rapidness and stability are ensured. And meanwhile, the matching of the convex block and the spring column can quickly respond when being collided, so that the lens is protected and secondary damage is reduced. In addition, the design of the guide column and the spring wedge block allows quick unlocking, and the inspection and maintenance process is simplified.

This utility model relates to the field of target material packaging technology and discloses a special flight case for rotating targets. The case includes a case body, a hinge fixedly connected to the outside of the case body, a cover plate fixedly connected to the outside of the hinge, and the lower surface of the cover plate disposed on the upper surface of the case body. An upper shell is fixedly connected to the inside of the case body. A sliding groove is formed inside the upper shell, and a pressing plate is slidably connected inside the sliding groove. A spring is disposed on the lower surface of a retaining plate, a sponge block is fixedly connected to the outside of the pressing plate, and a rebound assembly is disposed outside the pressing plate. In this utility model, the sliding groove inside the upper shell guides the pressing plate to slide, and the retaining plate and spring limit the target material, thereby achieving stable fixation and safe protection of the target material, meeting the high-precision protection requirements of rotating targets.

The utility model provides a filter bag component convenient to replace, which belongs to the technical field of air purification and comprises a positioning ring, a connecting rope is fixedly mounted on one side of the positioning ring, and one end of the connecting rope is fixedly connected with a connecting pipeline. The positioning mechanism is evenly distributed on the periphery of the top through the four stand columns, the rotating shaft is installed at the top ends of the stand columns, the positioning rod is fixedly connected with the top of the rotating shaft, the soft rubber rope is arranged at one end of the positioning rod, and therefore a stable supporting structure is formed. According to the technical scheme, the front side, the rear side and the right side of the positioning ring are respectively arranged, and an accurate limiting function is provided through fixed connection of the balls and the fastening bolts and sleeving of the threaded ring sleeve, so that stable positioning of the filter bag body is effectively ensured, and the assembly cost is reduced through simplified operation steps and reduced assembly number. The convenience and the efficiency of replacing the filter bag body are obviously improved.

The invention discloses a detection device for a metal corrugated pipe, and relates to the technical field of corrugated pipe detection, the device comprises a base, the left side and the right side of the upper end of the base are respectively and symmetrically fixed with a fixed plate I and a fixed plate II, and the upper ends of the fixed plate I and the fixed plate II are provided with surface detection structures for detecting the outer surface of a pipe fitting. According to the internal supporting structure, through a linkage mechanism of the internal supporting lead screw and the gear, stable fixation of the interior of the pipe fitting and synchronous rotation during detection are achieved; meanwhile, the surface detection structure utilizes a reciprocating screw rod to drive a detection piece to do linear reciprocating motion, and the outer surface of the pipe fitting is comprehensively scanned; therefore, the stability of the pipe fitting in the detection process is ensured, errors caused by shaking or displacement are avoided, and the detection precision is remarkably improved; omnibearing detection capability ensures that tiny defects on the surface of the pipe fitting are accurately found, and detection quality and reliability are further improved.

The utility model provides a battery shell processing fixing tooling, including bottom plate and adjusting plate, the one side of bottom plate top is provided with the adjusting mechanism, and the one side of bottom plate top far away from the adjusting mechanism is provided with the spacing mechanism, the utility model discloses through the use of fixing mechanism, realized battery shell high-efficiency stable fixation, when in use, the fixing mechanism is not influenced by the fixing mechanism. A worker places a battery shell on the surface of an adjusting plate, then electric push rods on the two sides are started, the electric push rods drive fixing plates to move towards the edges of the two sides of the shell, and when the fixing plates make contact with the edges of the shell, a plurality of fixing blocks located on one side of the fixing plates can extrude springs to different degrees according to the shape of the edges of the shell, so that the shell is fixed more firmly; the fixing device is simple and convenient to operate, adapts to battery shells of different shapes and sizes through the elastic effect of the spring, and ensures the stability and reliability in the fixing process.

The utility model relates to vertical machining center technical field, and public a kind of vertical machining center of foldable tool magazine structure, it include: fixed subassembly, the fixed subassembly includes machining center body, movable door, fixed block, fixed frame, plug-in rod and compression spring, the rear side of movable door is through pivot swing connection in the front side of machining center body, the rear side of fixed block and fixed frame is all fixedly connected in the front side of movable door, the left side of plug-in rod extends to the inside of fixed block and is penetrated through fixed frame, the surface of plug-in rod is sleeved in compression spring, the left side of compression spring is fixedly connected in the right side of plug-in rod, the right side of compression spring is fixedly connected in the inside of fixed frame, through fixed subassembly, when closing fixed movable door, the rebound force of compression spring drives plug-in rod to move left, makes the insertion of plug-in rod in the inside of fixed block, the stable fixation of movable door is prevented loose, through the slot, when plug-in rod is inserted and fixed, accurately inserted into the inside of fixed block.

The utility model provides a controllable micro-motion elastic internal fixation device with a bidirectional locking pressing plate structure, and belongs to the technical field of orthopedic medical instruments. Comprising a plurality of bridging rods; and the two end blocks are arranged at the two ends of the bridging rod. A stable frame structure is constructed through the combination of the bridging rod, the end block and the fixing screw, a fracture part is effectively connected and fixed in the axial direction, then a bidirectional locking mechanism is formed through the upper pressing plate, the lower pressing plate, the adjusting lead screw and the locknut, and the fracture part is locked by screwing the locknut. The distance and pressure between the pressing plates can be accurately adjusted and locked, dynamic force generated by factors such as muscle contraction and limb movement can be effectively resisted in the long-term use process, the pressing plates are prevented from loosening or displacing, and it is ensured that the fixing device always keeps the stable fixing effect; and the problems of poor fracture healing or malformation healing and the like caused by fixation failure are avoided.

The utility model provides a conveying belt frame fixing block machining fixing tool and belongs to the technical field of machining. Comprising a workbench, a fixing assembly and a machining assembly, wherein the workbench is provided with an inner cavity; the fixing assembly comprises a gear rotationally connected with the inner cavity. The connecting block is pushed to move through the air cylinder, then the toothed plate is driven to move transversely, the gear is driven to rotate through movement of the toothed plate, the toothed plate on the other side of the gear is driven to move oppositely while the gear rotates, and finally the two clamping plates are driven to move oppositely through opposite movement of the two toothed plates. At the moment, the fixing block is placed between the two clamping plates, the two clamping plates move towards the center position to fix the fixing block, the fixing firmness and stability of the fixing block can be improved, meanwhile, the fixing blocks of different sizes can be stably fixed, and the application range of the device is widened.

The guiding tube sheath comprises a multi-cavity tube and a handle, the multi-cavity tube comprises an outer tube and a plurality of inner tubes parallelly arranged in the outer tube in a penetrating mode, the tube wall of the outer tube is provided with a first positioning structure, the handle is provided with an insertion channel used for allowing the multi-cavity tube to be inserted in, and a second positioning structure is arranged in the insertion channel; the second positioning structure and the first positioning structure are connected in a matched mode in the radial direction of the multi-cavity tube so as to fix the handle and the multi-cavity tube. Through the cooperation of the first positioning structure and the second positioning structure, accurate positioning and stable fixing between the handle and the multi-cavity tube can be achieved, and the situation that the clinical operation of a guide tube sheath or an endoscope is affected due to the fact that the multi-cavity tube moves or rotates relative to the handle can be prevented; the guide tube sheath can be used for guiding the multi-cavity tube and providing support for improving the structural sealing performance of the multi-cavity tube and the structural sealing performance between the multi-cavity tube and the handle, so that the risk that germs on an endoscope are transmitted to the guide tube sheath is effectively reduced when the guide tube sheath is matched with the endoscope by enhancing the structural stability and sealing performance of the guide tube sheath.

This utility model relates to the field of sports equipment technology and discloses a detachable barbell assembly device, including a bar body. Multiple connecting rings are threaded onto the external surface of the bar body. Two counterweight wheels are threaded onto the external surface of the bar body. Connecting grooves are formed inside the counterweight wheels. A connecting block is fixedly connected to the top of the connecting groove. A driven groove is formed inside the connecting block. Two springs are fixedly connected to the bottom inner wall of the driven groove. A connecting block is fixedly connected to the top of the two springs. Multiple limiting holes are formed at the temporal portion of the connecting block, and positioning pins are provided on the inner wall of the limiting holes. This utility model enables quick installation and removal of the counterweight wheels. The spring self-adaptive structure and linkage engagement design are compatible with counterweight wheels of different sizes. By adjusting the position of the connecting rings and the elastic support, stable fixation of various specifications of accessories can be achieved.

This invention relates to the field of platinum-iridium ring assembly technology, and in particular to a medical catheter platinum-iridium ring assembly device based on elastic tension. The device includes a worktable and clamps for holding both ends of the catheter body. The outer side of the catheter body is used to fit the platinum-iridium ring. It also includes a back plate, which is located on the back of the worktable. The back plate has a slide rail, which includes a straight rail and a curved rail that are interconnected. A feeding clamp for feeding the platinum-iridium ring is slidably mounted on the slide rail. A tensioning assembly is also included, which is adjustable and movable above the front of the worktable. The tensioning assembly includes a tension clamp and upper and lower positioning clamps. This invention utilizes the elastic rebound of the catheter material to achieve reliable interference fit and locking of the ring. Stable fixation can be achieved with only a small stroke of rolling or crimping, avoiding the problems of ellipticization of the inner lumen and local flattening caused by traditional large deformation crimping.

The application relates to the technical field of medical devices, and discloses an interventional surgery robot and an interventional surgery system. The interventional surgery robot is provided with a mounting module fixed to a mounting base, one side of the mounting module is rotatably connected with the mounting base, and the other side is provided with a fixing structure which is detachably connected with the mounting base. Therefore, the mounting module can be completely fixed to the mounting base, so that a Y-shaped valve arranged on the mounting module can be kept relatively static during the whole surgery process, and the problem that the surgery fails due to movement of the Y-shaped valve does not occur. Before the surgery, the fixing structure needs to be separated from the mounting base, and the mounting module needs to be rotated by a certain angle around a rotating mechanism to a height at which a surgeon can conveniently install an instrument; after the instrument is installed, the fixing structure needs to be fixed to the mounting base, so that the mounting module and the Y-shaped valve are stably fixed to the mounting base, and the interventional surgery can be conveniently completed.

This utility model discloses an automotive inspection fixture clamping device, including a third mounting base. The upper left side of the third mounting base is connected to a clamping arm for clamping the workpiece under test via a rotating connector. A clamping element is connected to the upper end of the clamping arm. A pulling element is provided on the left side of the third mounting base for pulling the clamping arm to one side, thereby driving the upper end to clamp the workpiece under test. A support element is provided at the bottom of the pulling element. Through the arrangement of the rotating connector, the clamping element, and the pulling element, the rotating connector allows the clamping arm to rotate flexibly. Even in a confined space, it can avoid the obstruction of the outer panel by rotation and successfully clamp the workpiece under test from the reverse side. The clamping element can directly act on the workpiece under test to achieve stable fixation. At the same time, the pulling element provides stable power in a confined space and accurately controls the clamping force.

The invention relates to assembly and disassembly of electronic devices, e.g. power modules or MEMS modules. In that context, the invention is situated at the intersection of advanced assembly of electronic devices and environmental sustainability. It addresses the critical need for Robust Eco-Design (RED) with design in the 7R setting. For that purpose, the invention foresees to equip components of the electronic device which are to be fixed to each other, e.g. a heat sink, a substrate, and a semiconductor chip, with interlocking arrangements which can be securely fixed to each other with a shrink fitting procedure. This allows, on the one hand, stable fixation of the components and, on the other hand, simple separation of the components for the purpose of disassembling the electronic device.

The utility model discloses a novel positioning tool which comprises a bottom plate, a supporting frame is arranged on the upper surface of the bottom plate, the movable end of the supporting frame is rotationally connected with two corresponding clamping structures, and the supporting frame is provided with a driving assembly for driving the two clamping structures to rotate in the face-to-face or back-to-back mode. The clamping structure comprises an arc-shaped frame, an inner template matched with a to-be-machined part is arranged on the inner side of the arc-shaped frame, a protruding block is arranged at the movable end of the arc-shaped frame, and a locking assembly used for limiting the protruding block is arranged on the bottom plate. The clamping device has the beneficial effects that the clamping structure can be flexibly controlled to be unfolded and folded through the driving assembly, the clamping structure is matched with the locking assembly to loosen and lock the protruding block, a workpiece can be assisted to be disassembled and clamped, and overall operation is simple and rapid; in the machining process, it is ensured that the clamping structure stably fixes the workpiece, the high precision and safety in the machining process are improved, and the workpiece is effectively prevented from moving or loosening in the machining process.

The invention discloses an expandable fixing catheter, and belongs to the technical field of medical instruments. The urethral catheter comprises a catheter body, and a urethral catheterization channel and an expansion guide channel which are independent of each other are arranged in the catheter body. A drainage hole communicated with the catheterization channel is formed in the far end of the catheter body, an expansion section which is provided with a closed inner cavity and can expand elastically is arranged on the near side of the drainage hole, and an expansion operation end communicated with the expansion guiding channel and a drainage connector communicated with the catheterization channel are arranged at the near end of the catheter body; a spiral guide rope sleeve and a pulling rope penetrating through the spiral guide rope sleeve are arranged in the inner cavity, a medicine feeding hole communicated with the inner cavity is formed in the outer wall of the expansion section, and an elastic sealing ring of a dynamic sealing structure in axial sliding fit with the pulling rope is arranged in the expansion guide channel. The catheter is stably fixed through traction mechanical expansion, the risk of air bag breakage and leakage is avoided, urethra targeted drug delivery and whole-course anti-leakage sealing are synchronously achieved, the problems that an existing catheter is poor in fixing reliability and prone to infection, and the urethra is prone to being damaged when the catheter is pulled out are solved, and the catheter is suitable for clinical urine indwelling drainage operation.

The utility model relates to the technical field of oil cylinder disassembling tools, and discloses an oil cylinder disassembling tool which comprises a sleeving barrel, a rotating disc and a plurality of fastening blocks, a plurality of cross-shaped grooves are formed in the edge of the upper surface of the sleeving barrel, the rotating disc is arranged outside the sleeving barrel in a sleeving mode, a plurality of cross-shaped blocks are fixedly connected to the edge of the inner wall of the rotating disc, and a plurality of fastening blocks are fixedly connected to the edge of the inner wall of the rotating disc. The lower surfaces of the cross blocks are tightly attached to the inner bottom face of the cross groove, a sleeving groove is formed in the middle of the lower surface of the sleeving cylinder, a plurality of positioning rods are fixedly connected to the edge of the inner top face of the sleeving groove, and the outer walls of the sides, close to the center of the sleeving cylinder, of the fastening blocks are tightly attached to the outer wall of the sleeving cylinder. According to the oil cylinder disassembling tool, the rotating disc is ingeniously matched with the sleeving barrel, and the fastening block and the connecting rod are stably fixed, so that the oil cylinder disassembling tool realizes a rapid and stable disassembling process, and the working efficiency is improved.

The application provides a kind of extrusion nail and its assembly for orthopedics, which is applied to the technical field of orthopedic surgical instruments.The extrusion nail adopts a threadless structure and is composed of a nail body, a barb and an extrusion groove, and can be adapted to different length bone tunnels through the head-to-tail matching of multiple nails.The assembly includes an execution end and an impact handle, which can provide linear impact force to realize the linear implantation of the extrusion nail.The application replaces the rotary screwing with linear advancement, fundamentally avoiding the shearing and torsional injury of ligaments, and has the advantages of precise implantation, convenient operation and stable fixation, which meets the clinical needs of orthopedic ligament reconstruction surgery and improves the safety of surgery and the quality of postoperative healing.

The utility model relates to the technical field of shoe sole wear resistance testing, in particular to a clamp damage prevention structure of a shoe sole wear resistance machine, which comprises a base, two sides of the top of the base are provided with clamping parts for clamping two sides of a shoe sole, the middle of the top of the base is provided with a supporting part for supporting the shoe sole, and the upper ends of the clamping parts are provided with clamping heads. A driving part is installed in the base close to the lower end of the clamping part, and the middle of the clamping part is rotationally connected with the base through a pin shaft. According to the clamp damage prevention structure of the shoe sole wear-resisting machine, the clamping components on the two sides of the top of the base are matched with the supporting component in the middle, and a shoe sole can be fixed in multiple directions. The driving component drives the lower end of the clamping component to move, the clamping head tightly presses the side face of a shoe sole according to the lever principle, the supporting height can be flexibly adjusted by combining the jacking component at the bottom of the supporting component, and accurate and stable fixing can be achieved for conventional shoe soles or shoe soles of irregular shapes and different sizes.

The invention relates to the technical field of industrial guide pipe linings, in particular to a guide pipe polytetrafluoroethylene lining connecting piece with an adjustable expansion structure, which comprises a main piece part, the outer sides of the two ends of the main piece part are movably connected with connecting parts, and the outer sides of the connecting parts are in close contact with a guide pipe lining. The main part comprises a first rigid pipe, a second rigid pipe and a stainless steel corrugated pipe, the opposite sides of the first rigid pipe and the second rigid pipe are fixedly connected with clamping rings, and the two ends of the stainless steel corrugated pipe are fixedly connected with the two clamping rings respectively. According to the guide pipe polytetrafluoroethylene lining connecting piece with the adjustable expansion structure, the length can be adjusted through cooperation of the main piece part and the connecting part, and the stainless steel corrugated pipe and the modified fluororubber hose section of the main piece part are combined to compensate for different axis deviations of a pipeline; the corrugated hollow sealing pipe sleeve of the connecting part can be tightly attached to the guide pipe lining to prevent media from making contact with the inner wall of the pipeline, and the advantage of being stably fixed to the outer pipe of the guide pipe is achieved.

The invention discloses an operation space isolation device for oral surgery, relates to the technical field of oral auxiliary instruments, and realizes stable fixation without clamping teeth through deformation clamping fit of an elastic limiting piece and a vertical part, so as to avoid tooth and periodontal injury; the straight sections, oppositely arranged, of the horizontal part are matched with the tongue side and the cheek side of the teeth, the mounting structure is stabilized by combining a cotton roll, tongue interference and saliva invasion are synchronously blocked, and fixing and interference prevention are integrated; fixing, releasing and adjusting are convenient and fast in operation, the overall structure is compact, excessive oral cavity space is not occupied, different tooth forms and clinical scenes are adapted, the diagnosis and treatment efficiency of an operator is improved, the misoperation risk is reduced, and the comfort level and diagnosis and treatment compliance of a patient are improved.

This utility model discloses a movable base for a lifting platform, relating to the field of lifting platform mobility technology. It includes a base with a support frame movably connected to one side, a tire fixedly connected to the bottom of the base, and a support assembly at the bottom of the base. The support frame includes a connecting block, one side of which is fixed to one side of the base. Upon activation of the support frame, the support frame drives a transmission rod to move within the connecting block, thereby causing a limiter and a fixed column to move synchronously. At this time, the adjusting screw rotates, and using a threaded structure, the fixed column drives the adjusting column to move up and down along its inner wall. The adjusting column then drives the support base plate to move downwards, causing the support base plate to tightly press against the ground and achieve stable fixation. This process, through mechanical linkage and threaded adjustment, precisely controls the position and pressure of the support base plate, providing reliable support for the overall equipment, effectively enhancing equipment stability, reducing the risk of shaking and displacement, and ensuring normal equipment operation.

The invention discloses a gynecological laparoscopic surgery uterus manipulator fixing system, which relates to the technical field of medical instruments and comprises a bearing mechanism, a limiting mechanism, a longitudinal mechanism and an adjusting mechanism, the bearing mechanism comprises a base and a bearing assembly arranged on the base, and the bearing assembly is rotationally connected with the base; the limiting mechanism comprises a clamping assembly arranged on the base and a plurality of limiting grooves formed in the bearing assembly, and the clamping assembly enters the limiting grooves to limit rotation of the bearing assembly; the longitudinal mechanism comprises a vertical rod arranged on the bearing assembly and a uterus manipulator connecting assembly arranged on the vertical rod, the vertical rod can stretch out and draw back, and the uterus manipulator connecting assembly is used for being connected with a uterus manipulator; the adjusting mechanism comprises an adjusting groove and an adjusting assembly which are arranged on the base, the adjusting assembly is in sliding connection with the adjusting groove, and the adjusting assembly can drive the bearing assembly to rotate. According to the multi-degree-of-freedom adjustable uterine manipulator, stable holding and multi-degree-of-freedom flexible adjustment of the intraoperative uterine manipulator are synchronously considered, the labor cost is saved, and the adjustment time is shortened.

The utility model provides a novel crane detection device which comprises a detection table and a lifting hook body, a rotating disc is rotatably installed at the upper end of the detection table, a connecting seat is fixedly installed at the upper end of the rotating disc, a placing seat is installed at the upper end of the connecting seat, and a placing groove matched with the bottom of the lifting hook body is formed in the upper surface of the placing seat. And the bottom of the lifting hook body is inserted into the placing groove. Through the adaptive design of the placing groove of the placing seat and the bottom of the lifting hook body and the synergistic effect of a threaded rod, a sliding block, a connecting rod and a locking ring in the locking assembly, rapid positioning and firm fixing of the lifting hook are achieved, the opening size of the lifting hook body can be conveniently detected through a measuring tool, and compared with a traditional manual fixing mode, the detection efficiency is improved. The fixing time is shortened, the detection efficiency is improved, and the stable fixing effect effectively avoids the influence of the displacement of the lifting hook on the accuracy of the detection result in the detection process.

This utility model discloses a long key scissor-switch module, including an outer scissor, a long inner scissor, a short inner scissor, keycaps, and a mounting base plate. The outer scissor has a middle mounting groove and an end mounting groove. The long inner scissor is installed in the middle mounting groove, and the short inner scissor is installed in the end mounting groove. One side of the outer scissor and one side of the short inner scissor are respectively fastened to the mounting base plate, with the side of the short inner scissor fastened to the mounting base plate away from the side of the outer scissor fastened to the mounting base plate. The keycaps cover the outer scissor, the long inner scissor, the short inner scissor, and the mounting base plate. The keycaps have multiple fastening parts, which respectively fasten to the outer scissor, the long inner scissor, and the short inner scissor. This utility model, by setting a multi-layered fastening structure for the outer and inner scissors, achieves stable fixation and responsiveness of the keycaps without the need for a stabilizer bar. It can effectively avoid noise caused by the impact of the stabilizer bar, increase the support for the keycaps, improve the poor feel caused by excessive keycap length, enhance the pressing feel, and improve the overall user experience.

This utility model discloses a rigid float, which includes: a float body, a base, multiple fastening and mounting mechanisms, at least one upper guide mechanism, at least one lower guide mechanism, at least one mounting mechanism, and two end protection mechanisms. The float fixing system uses arc-shaped fasteners to encircle the float and rigidly connect it to the base, forming a stable fixation to resist external impacts. The upper and lower guide mechanisms work together to achieve precise guidance and avoid skewing or jamming. The mounting mechanism and the base work together to distribute weight. The end protection mechanisms form a three-dimensional protection, enhancing impact and torsional resistance, making it suitable for waters with many debris. The system can carry various equipment. The rolling friction design improves the applicability to dynamic scenarios. Each mechanism is installed based on the existing structure, reducing redundancy and weight. The detachable design facilitates maintenance, reduces long-term costs, and balances practicality and economy.

The invention discloses a facial ligament lifting method, which comprises the following steps of S1, accurately marking a subcutaneous attachment end or a body surface projection area corresponding to a target facial ligament on the surface of facial skin on the basis of facial anatomical positioning and anatomical walking of the target facial ligament, so that the subcutaneous attachment end or the body surface projection area corresponding to the target facial ligament is accurately marked on the basis of facial anatomical positioning; acting force is accurately focused on the target ligament through a special instrument, and surrounding tissue is prevented from being damaged. The whole process is only operated on the skin surface, no incision or implantation is needed, surgical wounds and wire foreign matter risks are thoroughly avoided, the composite force can be effectively conducted to the deep ligament to enable the deep ligament to generate controllable folding deformation, stable fixation is achieved through a subsequent biological healing mechanism, ligament relaxation is fundamentally improved, the effect is more natural and lasting, and the application range is wide. Due to the fact that skin breaking is not needed and energy is controllable, the operation safety is greatly improved, and dynamically-adjusted mechanics and selectable hot-cold collaborative procedures aim at optimizing experience and ensuring the comfort degree of the process.

The invention belongs to the technical field of water conservancy construction, and discloses a water conservancy project monitoring device which comprises a cone block, a hollow pipe barrel, a spring piece and a spring, an inner cavity ball shaft at the top of the cone block is connected with a ball pipe, an inner cavity of the hollow pipe barrel is movably connected with a middle shaft in a clamped mode, and the two sides of the middle of an inner cavity of the middle shaft are movably connected with limiting rods. And an inner cavity of the cone block is movably connected with a spline shaft. Through cooperation of a cone block, an annular spring piece, a special-shaped block, a limiting block and other structures, the device has a good fixing effect, the bottom of the cone block is inserted into the water bottom, then a middle shaft is pressed downwards, a spline shaft can move downwards, a threaded pipe and a fixing roller are driven to move downwards, and the fixing effect is improved. And then the limiting block moves towards the side away from the spline shaft, so that the limiting block is transversely inserted into the soil at the water bottom, and the stable fixing effect on the bottom of the device is achieved.

This utility model relates to the technical field of refrigerant recovery and storage devices, and discloses a refrigerant recovery and storage device, including a trolley. A compressor is installed on the front side of the trolley, and a storage tank is installed on the rear side of the trolley. A winding roller is rotatably connected to the outer wall of the compressor, and a connecting pipe is installed at the top of the compressor. The connecting pipe is located on the outer wall of the winding roller, and the outer wall of the winding roller is connected to the outer wall of the compressor through a limiting component. A fixing block is fixedly connected to the middle of the trolley, and a sliding rod is fixedly connected to the top of the fixing block. An arc-shaped clamp is slidably connected to the outer wall of the sliding rod, and a spring is installed on the outer wall of the sliding rod. In this utility model, the storage tank is initially limited by the arc-shaped clamp, and then the motor drives the shrinking roller to rotate. The traction rope pulls the arc-shaped clamp to clamp the storage tank, and the shrinking roller is locked with a fixing head to achieve stable fixation. The winding roller is limited by the arc-shaped limiting block under the action of the spring force to prevent the connecting pipe from becoming tangled.