1261results about How to "Adjustable length" patented technology

The invention provides a coal mine underground roadway surrounding rock reinforcement grouting system, and relates to the technical field of coal mining. Comprising a stirring barrel, a grouting pump, a moving frame, a grouting pipe mechanism, a steering mechanism, a grouting pipe length adjusting mechanism, a plugging mechanism and a power mechanism, and an input opening of the grouting pump communicates with the stirring barrel; the grouting pump and the stirring barrel are both arranged on the moving frame; the grouting pipe mechanism communicates with an output port of the grouting pump, and the grouting pipe mechanism is used for grouting the drill hole; the steering mechanism is connected with the grouting pipe mechanism and used for adjusting the angle of the grouting pipe mechanism so that the grouting pipe mechanism can be aligned with the drilled hole. The grouting pipe length adjusting mechanism is connected with the steering mechanism and the grouting pipe mechanism, and the grouting pipe length adjusting mechanism is used for adjusting the length of the grouting pipe mechanism; the periphery of the grouting pipe mechanism is sleeved with the plugging mechanism, and the plugging mechanism is used for plugging a drill hole when grouting is conducted on the interior of the drill hole through the grouting pipe mechanism; and the power mechanism is connected with the grouting pipe length adjusting mechanism.

The invention relates to the field of integrated optical fiber microscopic endoscopy, in particular to an all-optical-fiber light beam modulation and collection system based on double super lenses and a design method of the all-optical-fiber light beam modulation and collection system. The system comprises a single-mode optical fiber, a coreless optical fiber for beam expansion and two super lenses (a super lens 1 and a super lens 2) with different functions. The super lens 1 is arranged on the end face of the fiber core of the single-mode optical fiber and focuses output exciting light to form extremely small waist spots, and the divergence angle of light beams is increased. The super lens 2 is arranged on the end face of the coreless optical fiber beam expanding area and used for refocusing the exciting light and focusing the collected fluorescence to the focus position of the super lens 1 at the same time, and the fluorescence is incident to the fiber core in parallel through the super lens 1. According to the invention, a double-super-lens system based on a high numerical aperture (NA) is fully utilized, wavefront modulation is carried out, the length of a beam expanding area is adjusted, and the loss of fluorescence in the beam expanding area is reduced, so that the collection efficiency of the fluorescence is remarkably improved, and an innovative solution is provided for the design of a super-lens-based optical fiber optical system.

The invention belongs to the technical field of medical instrument ablation, and provides a medical instrument device which mainly comprises a first fixing rod, a second fixing rod, a first shell, an outer sheath tube and a first needle tube, one end of the first fixing rod is movably sleeved with the first shell, and one end of the second fixing rod is movably sleeved with the second shell; one end of the outer sheath tube penetrates through the first fixing rod and is connected with the first fixing rod; the first needle tube is movably arranged in the outer sheath tube in a penetrating mode, an ablation electrode is arranged at one end of the first needle tube and can be configured with ablation energy, and the first needle tube is connected with the first shell; the first fixing rod and the second fixing rod are detachably connected, a first fixing assembly is arranged at the joint of the first fixing rod and the second fixing rod, and the outer sheath tube can move relative to the first fixing assembly or the first fixing assembly can fix the outer sheath tube. By the adoption of the structure, adjustment of the outer sheath tube in a large length range can be achieved, and therefore the requirement that the same instrument is applied to ablation operations in different scenes is met.

The invention belongs to the technical field of foundation pit supporting, and discloses a foundation pit supporting structure which comprises a supporting anchor rod pipe body and is characterized in that a plurality of evenly-distributed limiting through holes are formed in the left side and the right side of the outer surface of the supporting anchor rod pipe body, and a coaxial disassembly and assembly recycling type operation rod is arranged in the middle of the supporting anchor rod pipe body in a penetrating mode; a plurality of tensile positioning short rods are movably connected to the side face of the disassembly and assembly recycling type operating rod and correspond to the limiting through holes in a one-to-one mode, and the ends, close to the axis of the supporting anchor rod pipe body, of the tensile positioning short rods are movably connected with the disassembly and assembly recycling type operating rod. The ends, away from the axis of the supporting anchor rod pipe body, of the tensile positioning short rods are movably connected into the limiting through holes in a sleeved mode. Due to the arrangement of the disassembly and assembly recovery operation rod, the recovery operation rod body is rotated under the limitation of the limiting through hole, and the tensile positioning short rod can be driven to move in the radial direction of the supporting anchor rod pipe body through the cooperation of the linkage sliding groove and the limiting clamping groove, so that the effects of supporting and convenient recovery are achieved.

The invention relates to the technical field of pipeline connecting devices, and discloses a telescopic pipeline connector and an auxiliary mounting device thereof, and the telescopic pipeline connector comprises a telescopic structure, an anti-retreating locking structure and the auxiliary mounting device. The telescopic structure achieves adjustment of the pipeline length through a telescopic sleeve and a connecting pipe, and meanwhile the sealing performance and stability are guaranteed. The anti-retreating locking structure achieves tight locking and sealing of the pipeline and the telescopic structure through a conical sealing ring, a locking ring and a thorn claw, and the stability of the pipeline during thermal expansion and cold contraction is guaranteed. According to the auxiliary mounting device, the supporting seat and the clamping assembly are matched with the stepping motor and the two-way screw rod, so that the pipelines with different diameters are accurately adjusted and clamped, the mounting process is simplified, and the mounting efficiency and safety are improved.

The invention provides a signal sending method, a signal receiving method, a communication device and a storage medium, relates to the technical field of wireless communication, and can improve the farthest sensing distance and avoid the requirement of hardware isolation. The method comprises the following steps: generating a communication and inductance integrated signal; the time domain resources of the sensing integrated signal sequentially comprise a first time domain resource, a second time domain resource and a third time domain resource; and sending the sensing integrated signal on the second time domain resource.

The invention belongs to the technical field of cutting beds, and particularly relates to an integral opening and closing structure of a direct-drive type punching drill, which comprises a rack, the end part of an air cylinder fixing seat is rotatably connected to the rack, a locking mechanism is arranged between the air cylinder fixing seat and the rack, an air cylinder and a guide sleeve are arranged above the air cylinder fixing seat, and a punching drill assembly comprises a motor fixing plate, a hollow motor is arranged on the motor fixing plate, a hollow drill is connected to the lower end of a hollow rotating shaft of the hollow motor, the ejector rod penetrates through the hollow rotating shaft and extends into the hollow drill, and during normal punching work, the locking mechanism locks the air cylinder fixing base and the rack, and the air cylinder fixing base is fixed to the rack; when replacement and maintenance are needed, the locking mechanism is unlocked, and the punching drill assembly can be opened towards the side away from the rack. When replacement and maintenance are needed, enough operation space is reserved between the punching drill assembly and the cutterhead, an operator can operate flexibly, and the operator can replace a cut-off knife and a drill bit conveniently; and the structure is compact, interference with a cutterhead located below the rack is avoided, and the device is suitable for the automatic cutting bed.

The utility model discloses an auxiliary supporting device for a heading machine, which relates to the technical field of heading equipment and comprises a supporting column, a cross beam and a top beam. The cross beam is located between the two supporting columns which are connected in the left-right direction, first sleeve rods are arranged at the two ends of the lower portion of the cross beam, first sleeve bases matched with the first sleeve rods are arranged on the two opposite sides of the two supporting columns which are connected in the left-right direction, and the first sleeve rods are inserted into the first sleeve bases; shearing frames are arranged between the two connected cross beams and between the two supporting columns connected front and back, connecting bases are arranged on the cross beams and the supporting columns, and each end of each shearing frame is detachably connected with the corresponding connecting base through a bolt; the supporting column, the cross beam, the top beam, the shearing frame, the cross beam, the adjustable supporting rod and the telescopic rod can be disassembled and assembled, a worker can disassemble and maintain the supporting structure conveniently in the later period, a spiral inserting rod is inserted into the position below the earth surface, and therefore the whole device is more stable.

The shoulder joint bolster comprises a bridle and a bolster body, the bridle comprises a length-adjustable first connecting band, a length-adjustable second connecting band, a length-adjustable shoulder and neck bridle and a length-adjustable armpit bridle, one end of the first connecting band is fixedly connected with one end of the shoulder and neck bridle and one end of the armpit bridle, and the other end of the first connecting band is fixedly connected with the other end of the second connecting band. One end of the second connecting band is fixedly connected with the other end of the shoulder and neck binding band and the other end of the oxter binding band, the other end of the first connecting band penetrates through the anti-skid lock catch to be connected with the plug, and one side of the throw pillow is fixedly connected with a socket matched with the plug. According to the utility model, the armpit bridles are arranged, and the armpit bridles provide downward force for the shoulder and neck bridles, so that the shoulder and neck bridles are limited to move, limit and restrain the shoulder and neck bridles, the shoulder and neck bridles are far away from the neck, and the neck skin is prevented from being damaged by friction; the length of the armpit bridles can be adjusted, the shoulder and neck bridles can adapt to people of different physiques, the moving range of the shoulder and neck bridles can be adjusted, and neck skin is prevented from being rubbed and damaged under the condition that the patient feels comfortable in use.

The time difference method ultrasonic flowmeter comprises a cable and an assembling mechanism, the upper end of the cable is provided with a fixing frame through a clamping base, the upper end of the fixing frame is provided with a solar energy device, the output end of a motor is connected with a reverse screw rod, and the output end of the motor is connected with a power source. Fixing rods are installed at the left end and the right end of the surface of the reverse lead screw in a threaded mode, an ultrasonic flowmeter body is placed in the machine box, and fixing plates are installed on the left side and the right side of the ultrasonic flowmeter body. According to the time difference method ultrasonic flow meter for the open channel and the river channel, the ultrasonic flow meter body can be fixedly installed through the fixing mechanism, the effect of protecting the ultrasonic flow meter body is achieved, meanwhile, rapid disassembly and overhaul are convenient, the transducer assembly is convenient to assemble through the assembling mechanism, the effect of adjusting the length of the transducer assembly is achieved, and the time difference method ultrasonic flow meter is convenient to use. And a heat dissipation mechanism is arranged, so that the ultrasonic flowmeter is prevented from being damaged at high temperature.

The invention belongs to the technical field of waste gas treatment of cold headers, and discloses a waste gas treatment device for a cold header, which comprises a cold header body and is characterized in that a waste gas purification assembly is arranged on one side of the cold header body, and the top end of the waste gas purification assembly is fixedly connected with a ventilation pipeline. Through cooperation of a baffle, a rotating shaft, a second connecting rod, a threaded rod and other structures, the length of the gas collecting hood is conveniently adjusted, then the waste gas collecting efficiency under different working conditions is improved, a cross-shaped groove is formed in the threaded rod, and therefore when the threaded rod rotates, the rotating shaft and the first connecting rod outside the rotating shaft can be driven to rotate through the cross-shaped groove; after the rotating shaft rotates, the two baffles can be driven by the first connecting rod to move oppositely, so that the overall length of the gas collecting hood is expanded after the baffles move, the waste gas collecting area and capacity are increased, and the waste gas collecting efficiency under different working conditions is improved.

The invention discloses auxiliary safety equipment for a ground rod, which is applied to the field of power equipment and comprises a base, and a detection mechanism is arranged on the surface of the base; according to the invention, the wire of the grounding rod is connected with the hook, and after the hook is hooked on the metal cable, an internal circuit is triggered through the connecting terminal to form a loop, so that a closed circuit is realized; when the circuit is closed, the buzzer gives an alarm, and the main control chip sends a closed-loop signal to the alarm box through the communication module to realize state voice alarm information to inform that the grounding rod is normally hung on the metal cable, so that the purpose of high safety is achieved, and the grounding rod is convenient to use. By moving the clamping rod, the clamping rod is separated from the adjusting hole, after the handle rod is moved to the needed position, the clamping rod is loosened, the clamping rod is clamped with the adjusting hole under the action of the third spring, the length of the handle rod can be adjusted, and practicability and applicability are improved.

The utility model discloses an umbrella-shaped electrical protective sleeve, and particularly relates to the field of electrical protective sleeves, the umbrella-shaped electrical protective sleeve comprises two protective clamping plates, the two ends of the protective clamping plates are symmetrically and fixedly connected with limiting ring plates, the two sides of the two ends of the protective clamping plates are symmetrically and fixedly connected with fastening screw plates, and the middle parts of the fastening screw plates are provided with clamping grooves; a clamping column is arranged in the middle of the fastening screw plate, and the two ends of the clamping column are symmetrically and fixedly connected with anti-skid clamping plates. According to the utility model, the protective clamping plates are clamped to clamp and protect the connection part of an electrical element or a cable, and the telescopic pipe is telescopically moved by pulling the annular plate, so that the protection length can be adjusted, and adjustment and use can be conveniently carried out according to needs; the connecting position of the telescopic pipe and the protective clamping plate is heated and wrapped through the thermoplastic umbrella cover, the connecting protective effect of the telescopic pipe and the protective clamping plate is improved, the connecting strength of the telescopic pipe and the protective clamping plate is improved through the connecting ring, the use effect is improved, and adjustment, installation and use are convenient.

The invention discloses a device and method for machining a spiral groove in a cavity, and relates to the technical field of spiral groove machining. The device comprises a box body, a supporting frame is fixedly connected to the top of the box body, a driving shaft is rotationally connected to the supporting frame, a machining assembly used for conducting spiral groove machining on a workpiece cavity is arranged at the bottom of the driving shaft, and a sleeve is rotationally connected to the top of the box body; the sleeve is arranged on the driving shaft in a sleeving mode, and a control assembly installed on the supporting frame is arranged on one side of the sleeve. According to the device and method for machining the spiral groove in the cavity, a series of mechanical transmission parts such as a rotating rod, a linkage rod and a sliding frame are driven by a control motor, intermittent downward movement of assemblies such as a trapezoidal block, a transverse rod, a movable plate and a working motor is achieved, and the distance and depth of the spiral groove are adjusted; the precise control mode ensures that the length of the spiral groove in the cavity of the workpiece can be adjusted as required, so that different workpieces and different machining requirements are met.

The invention discloses a bracket rail, the length of which can be quickly adjusted according to the depth of a server, and the bracket rail is reliably locked and attached to a stand column, so that safe and reliable operation of a device placed on the upper surface is ensured. The front track plate comprises an auxiliary first transverse plate, a first track vertical plate and a first supporting transverse plate; the rear track plate comprises an auxiliary second transverse plate, a second track vertical plate and an auxiliary third transverse plate; the front rail plate is an inner rail, the rear rail plate is an outer rail, a linear sliding mechanism is arranged between the first rail vertical plate and the second rail vertical plate, and the first rail vertical plate and the second rail vertical plate slide in the length direction of the linear sliding mechanism.

The invention belongs to the field of new energy automobile charging piles, and particularly relates to an adjustable park electric charging pile. According to the adjustable park electric charging pile, the use length of a charging wire can be conveniently adjusted. The device comprises a protective shell, a length adjusting assembly, a clamping assembly and the like, the protective shell is internally provided with the length adjusting assembly used for freely adjusting the pull-out length of the charging wire, and the clamping assembly used for limiting the wire spool is arranged between the fixing shaft and the wire spool. Through the mutual cooperation effect of the length adjusting assembly and the clamping assembly, the pull-out length of the charging wire can be adjusted at will, and the purpose of follow-up locking in the stretching process of the charging wire can be achieved; and through the arrangement assembly, the charging wire can be smoothly released outwards, and the charging wire can be automatically arranged in a reciprocating mode during automatic winding, so that the charging wire can be neatly and compactly wound onto a wire spool, and convenience is provided for users.

The agricultural seedling supporting frame comprises a supporting frame body, three first fixing seats are arranged on the bottom face of the supporting frame body in an axial symmetry mode, each first fixing seat is connected with a corresponding first shaft rod, each first shaft rod is connected with the upper end of a corresponding supporting rod, a first connecting hole is formed in the upper end of each supporting rod, and a second connecting hole is formed in the lower end of each supporting rod. And second connecting holes are uniformly formed in the outer side of the first fixing seat around the axis of the first shaft rod. The angle of the supporting rod can be adjusted through the cooperation of the first shaft rod and the first fixing base, the supporting frame can be placed more stably, the angle of the sleeve and the telescopic rod can be adjusted through the cooperation of the second fixing base and the second shaft rod, and the length of the arc-shaped clamping plate can be adjusted through the telescopic rod and the sleeve. According to the corn seedling supporting frame, corn seedlings of different heights can be supported, the two adjacent supporting frames are connected through clamping of the protruding blocks and the concave blocks, when the distance between the two supporting frames is large, the two supporting frames can be connected through the connecting mechanism, and the stability of the two supporting frames is improved.

The invention discloses a landscape garden ecological maintenance device, and relates to the technical field of garden ecological maintenance, the landscape garden ecological maintenance device comprises a base, a water tank and a collection box, and further comprises an electric telescopic rod fixed on the front surface of the base through a support plate, and the output end of the electric telescopic rod is fixedly connected with a vertical plate; the spraying pipe is arranged on the front side of the water tank, and a plurality of sprayers are fixedly connected to the bottom of the spraying pipe. The landscape garden ecological maintenance device has the functions of spraying, mowing and recycling and cleaning, the functions are diversified, the working efficiency during maintenance is improved, use is more convenient, during spraying, an electric telescopic rod can drive the spraying pipe to adjust the height, and the spraying efficiency is improved. The angle of the spraying pipe is adjusted through the rotating assembly, the adjusting assembly can drive the spraying pipe to move, the spraying range of the spraying pipe is adjusted, the operation enables the adjustable spraying range to be larger, spraying can be conducted on different garden plants according to requirements, and using is more convenient and faster.

The invention relates to the technical field of medical instruments, in particular to an adjustable bone-to-bone fixing device with a main nail and an implanting mechanism device.The adjustable bone-to-bone fixing device comprises the main nail, a fixing coil, a first auxiliary nail and a second auxiliary nail. Early load-bearing exercise of ankle joints of a patient is facilitated, ankle joint degeneration and traumatic arthritis are reduced, and the risk of fracture of an implant is greatly reduced; compared with elastic fixation, two fixing points are taken on the tibia, one fixing point is taken on the fibula, all the fixing points are connected through sutures, and the length of the sutures is adjustable, so that the tibia can bind the fibula in a surrounding mode through the sutures, compared with a single-strand suture transverse fixation mode, the fixation mode is closer to a native ligament, and fixation is more stable and reliable; and moreover, the micro-motion function between the tibia and the fibula is reserved while the bone removal amount is less.

The utility model relates to the technical field of building construction, in particular to a building wall painting construction device which comprises a painting paint supply device and a handheld brush rod mechanism, the handheld brush rod mechanism comprises a handheld rod body, an elbow mounting rod is arranged at the upper end of the handheld rod body, and a brush head assembly is detachably connected to the elbow mounting rod. Paint is supplied to the brush head assembly through a painting paint supply device, the brush head assembly comprises a basic brush head and a plurality of expanding brush heads which can be connected in an expanding mode, and the basic brush head and the expanding brush heads in the connected state can be communicated with each other. Therefore, the different application situations can be adapted through transformation and adjustment.

The present application relates to a powder metallurgy equipment, comprising a machine platform, a stamping mechanism, a powder pouring mechanism, a lifting mechanism and a heating mechanism. The machine platform is provided with a feeding mechanism, a mold is placed inside the feeding mechanism, the stamping mechanism is arranged on the machine platform, at least part of the stamping mechanism is located above the mold, the stamping mechanism can be used to stamp the metal powder inside the mold, at least part of the powder pouring mechanism is slidably arranged on the machine platform, the powder pouring mechanism can slide above the mold, the powder pouring mechanism can pour the metal powder into the mold, the lifting mechanism is located at one end of the machine platform away from the stamping mechanism, the feeding mechanism can push the mold to the lifting mechanism, the lifting mechanism can drive the mold to slide and leave the machine platform along the height direction of the machine platform, the heating mechanism is arranged on the side of the machine platform away from the powder pouring mechanism, the powder pouring mechanism can transport the mold to the heating mechanism, so that the mold drives the parts to move as a whole, maintains the pressure in the mold, and thus improves the processing effect.

The utility model belongs to the field of mulberry planting, particularly relates to pruning equipment for mulberry planted under a photovoltaic panel, and provides the following scheme aiming at the problems that when the existing pruning equipment is used, the pruning effect is generally poor, the mulberry can not be cut off at one time, and the rod length can not be quickly adjusted: the pruning equipment comprises a mounting frame, one side of the mounting frame is provided with a T-shaped groove, and the other side of the mounting frame is provided with a T-shaped groove; two symmetrically arranged mounting seats are slidably connected to one side of the mounting frame, trimming knives are fixedly connected to the interiors of the mounting seats through mounting assemblies, and inclined grooves are formed in the middle positions of the sides, close to each other, of the two trimming knives. An electric push rod is started to finally drive the two pruning knives to get close to each other to complete the pruning process, the arrangement of two layers of knife edges can ensure the pruning effect, a second fixing screw on one side is screwed out, the pruning knives can be taken out, and then the pruning knives can be rapidly replaced.

The invention discloses a recoverable soil body settlement monitoring device and a measurement method, and relates to the technical field of underground engineering measurement, the recoverable soil body settlement monitoring device enables a supporting body to be adjustable in length through a plurality of telescopic pieces which are sequentially connected in a sleeved mode, and a first measurement piece and a displacement sensor are arranged in each stretching-out telescopic piece; the second measuring piece is arranged outside the telescopic piece and detachably connected with the first measuring piece in the telescopic piece, when the device is used, the second measuring piece is pre-buried in a preset position of the corresponding depth of a soil body, and the length of the supporting body is adjusted according to the depth of the soil body to be measured, so that the extended telescopic piece corresponds to different soil body depth layers; the second measuring part of the telescopic part is connected with the pre-buried first measuring part, the settlement amount of the soil body is measured through the second measuring part, the displacement of the second measuring part drives the first measuring part to generate displacement, and the displacement of the first measuring part is measured through the displacement sensor, so that the settlement amount of the soil bodies with different depths can be detected in real time.

The invention relates to the technical field of new energy battery power, and discloses a battery pack replacement device, which comprises a top support, a bottom support, a bottom support and a battery pack, the top support comprises two groups of symmetrically arranged suspension arms, and the two groups of suspension arms are connected through one or more cross beams; the suspension arm is provided with a suspension part; the battery tray is provided with a lifting ring for lifting connection; one end of the adjusting lifting appliance is connected to the hanging part, the other end of the adjusting lifting appliance is connected to the lifting ring, and the length of the adjusting lifting appliance is adjustable, so that the lifting of the battery tray is realized. The top support and the battery tray are arranged, the top support can be fixed to the top of the battery cabinet and is not limited by terrains, the adjusting lifting appliance is connected between the top support and the battery tray, and the length of the adjusting lifting appliance is adjustable, so that the replacing requirements of battery packs with different heights can be met, and the universality of the device is improved.

The invention relates to the technical field of hydraulic coupler maintenance equipment, and discloses a puller for hydraulic coupler maintenance, which comprises a hydraulic oil cylinder and a connecting sleeve, a screw rod is mounted in the hydraulic oil cylinder in a threaded manner, the connecting sleeve is sleeved outside the screw rod, a threaded sleeve is arranged in the connecting sleeve, and the threaded sleeve is sleeved outside the threaded sleeve. The threaded sleeve extends outwards from the end, away from the hydraulic oil cylinder side, of the connecting sleeve, the threaded sleeve is detachably connected with the connecting sleeve, the end, close to the connecting sleeve side, of the lead screw movably penetrates into the threaded sleeve, and an ejector rod with the variable length is arranged at the end, penetrating into the threaded sleeve, of the lead screw. The ejector rod extends out of the threaded sleeve; the connecting sleeve and the threaded sleeve are detachably connected, so that threads on the threaded sleeve can be replaced when damaged, the ejector rod with the variable length is arranged on the lead screw, the hydraulic coupler disassembling tool can adapt to disassembling work of hydraulic couplers of different models, and the hydraulic coupler disassembling tool has the advantages that the use cost is reduced, use is convenient, and the disassembling efficiency is improved.

The invention discloses an array type flexible wearable girdle for measuring magnetic field signals of human muscles, and belongs to the field of biomedical engineering.The array type flexible wearable girdle comprises flexible girdle bodies and clamping grooves, the flexible girdle bodies are connected through nylon hook-and-loop fasteners to form a closed loop, and the closed loop is used for carrying the multiple clamping grooves; the clamping groove comprises a base lower interlayer, a base upper interlayer, countersunk heads, nuts, an outer wall and a rotary buckle, and the flexible ring belt penetrates through a middle groove between the base lower interlayer and the base upper interlayer and then is pressed and fixed through the four pairs of nuts and countersunk heads. The outer wall is located on the upper surface of the upper interlayer of the base and is in a hollow cuboid shape, the rotating buckle is of a small long arm-shaped structure capable of rotating freely, a protrusion on the tail side of the arm end is meshed with a recess of the outer wall, and the top baffle is used for limiting the top of the clamping groove. The device can adapt to human body parts with different sizes, has the advantages of high conformality, high flexibility, low cost, light weight, easiness in measurement and the like, and can be widely applied to myomagnetic measurement research.

The invention relates to the technical field of unmanned aerial vehicle launchers, in particular to a marine unmanned aerial vehicle launcher. The marine unmanned aerial vehicle launcher comprises a supporting frame, a bottom bracket, a telescopic piece, an angle adjusting assembly, a lifting frame, a front supporting assembly and a rear supporting assembly. The two ends of the telescopic pieces are rotationally connected with the supporting frame and the bottom bracket correspondingly, and the multiple telescopic pieces are arranged at intervals; the angle adjusting assembly is arranged on the bottom bracket and is in transmission connection with the lifting frame; the front supporting assembly and the rear supporting assembly are arranged on the lifting frame at intervals in the length direction of the lifting frame, and the front supporting assembly and the rear supporting assembly are both used for being connected with the unmanned aerial vehicle. The front supporting assembly locks or releases the lug rods through the lock catches, so that the levelness of the bottom bracket can be adjusted by adjusting the lengths of the multiple telescopic pieces, it is guaranteed that the levelness of the bottom bracket is within the set range, and therefore the launching accuracy of the unmanned aerial vehicle is guaranteed.

The utility model relates to the technical field of curtain tracks, in particular to an easy-to-install curtain track which comprises a curtain track basic mechanism, the top end of the curtain track basic mechanism is movably connected with the bottom end of an installation support mechanism, and the inner wall of the installation support mechanism is fixedly connected with one end of a stabilizing mechanism. A fixed clamping block is clamped in a first clamping groove and a second clamping groove, a rotating plate is rotated to drive an extrusion block to rotate, the extrusion block rotates to extrude one side of a movable plate, the movable plate is extruded to drive a movable clamping block to enter the first clamping groove and the second clamping groove, and the movable plate is extruded to move to drive a movable block to move; according to the curtain track base frame and the curtain track extension frame, the movable block moves by attaching to the outer wall of the limiting rod, meanwhile, the connecting spring is extruded, then the curtain track base frame and the curtain track extension frame are stabilized, and by rotating the rotating plate, a worker can conveniently and stably install the supporting bracket, the curtain track base frame and the curtain track extension frame.

The utility model belongs to the technical field of building construction, and particularly relates to an electric hanging basket rear support heightening construction device which comprises a base plate, a balancing weight is connected to the top surface of the base plate, a base rod is connected to the top surface of the base plate, a heightening rod is connected to the top surface of the base rod, and an ejector rod is connected to the top surface of the heightening rod. The surface of the top end of the top rod is connected with one end of a rear beam, the surface of the other end of the rear beam is connected with a middle beam, the surface of the other end of the middle beam is connected with an overhanging front beam, the surface of the bottom of the other end of the overhanging front beam is connected with the surface of the top of a parapet wall, and the surface of the top of the overhanging front beam is connected with an upper supporting column. The hanging basket is simple in structure, reasonable in design, convenient to install, made of a steel structure, reliable and stable in structure and high in safety, meanwhile, the length of the girder can be adjusted, the height of the rear support can be adjusted, and the hanging basket is suitable for hanging basket installation construction under the working condition of ultrahigh parapet walls with various heights.