2099 results about "Elastic component" patented technology

An adjustable dumbbell, comprising a dumbbell assembly, a dumbbell seat and dumbbell pieces, the dumbbell assembly comprises a dumbbell bar and connecting discs, which are provided with a positioning groove and a connecting block slidingly connected in the positioning groove, and the connecting disc is provided with an elastic component; the dumbbell assembly comprises a handle grip and gear blocks, and the glove and the gear block are fixed circumferentially, and the gear block has an outwardly pushing part and an inwardly shrinking part in the circumferential direction; the dumbbell piece is provided with a connecting groove, when the connecting block abuts against the shrinking part, the connecting block is separated from the connecting groove; the connecting block abuts against the pushing part, the connecting block is snapped into the connecting groove; when the connecting block abuts against the shrinking part, the connecting block is separated from the connecting groove.

A pickleball racket includes a racket frame, a racket face and a handle. The handle is connected to one end of the racket frame, the racket frame is arranged around the racket face, the racket face and the racket frame enclose to form a filling cavity filled with elastic components. The pickleball racket has excellent elastic property, improves energy absorption and rebound efficiency, and improves the user's usage experience.

The contactor comprises an electromagnetic assembly, a static contact and a movable assembly, the movable assembly comprises a movable contact, a first elastic part and a driving part which are connected, and the first elastic part is configured to generate elastic force supporting the movable assembly; the driving component is configured to generate electromagnetic driving force through a magnetic field generated by the electromagnetic assembly, and the controller is configured to control a movable contact and a static contact of the movable assembly to be closed and respond to the fact that the sensor detects that the driving component generates displacement based on electric repulsive force generated by current flowing through the movable contact and the static contact. And controlling the electromagnetic assembly to adjust the generated magnetic field so as to reduce electromagnetic driving force which is generated by the driving part according to the generated magnetic field and is opposite to the electric repulsive force, so that the movable contact is not closed with the static contact again. According to the contactor disclosed by the invention, fusion welding of the movable contact and the static contact in the short circuit process can be prevented, so that the contactor fault is avoided, and the equipment reliability is improved.

The chest structure of the simulation dummy for the bursting test comprises a thoracic vertebra assembly, and the thoracic vertebra assembly comprises an upper thoracic vertebra section, a thoracic vertebra elastic assembly and a lower thoracic vertebra section which are sequentially connected from top to bottom; the thoracic vertebra elastic assembly can generate elastic deformation when being vertically extruded, and the upper thoracic vertebra section or / and the lower thoracic vertebra section is / are provided with a thoracic vertebra acceleration sensor set used for collecting vertical acceleration information. The invention further discloses the simulation dummy for the bursting test, the dummy comprises the chest structure of the simulation dummy for the bursting test and further comprises a hip assembly arranged at the lower end of the chest structure, and the hip assembly comprises an abdomen structure and a lumbar vertebra assembly arranged on the rear side of the abdomen structure and connected with the lower end of the thoracic vertebra assembly. The abdomen structure is provided with a limiting step matched with the lower end structure of the thoracic vertebra assembly. The simulation dummy can serve as a real human body substitute to undertake a test task in places such as a bursting test and a protective lifesaving equipment test.

The invention provides a compound degree-of-freedom excited abnormal sound test bench. The compound degree-of-freedom excited abnormal sound test bench comprises a base, a supporting frame, an objective table, a first limiting piece, a second limiting piece and a driving mechanism, the supporting frame is provided with a first mounting part, the bottom of the objective table is provided with a second mounting part and two driving connecting parts, and one side edge of the objective table is provided with a third mounting part; the first limiting piece comprises a rod body and two first elastic parts, and the first mounting part and the second mounting part are connected with the two ends of the rod body through the first elastic parts correspondingly; the second limiting piece comprises an extension arm and a mounting seat, the mounting seat comprises a second elastic part, and the two ends of the extension arm are connected with the second elastic part and the third mounting part respectively; the driving mechanism comprises two driving end heads, and each driving end head is connected with one driving connecting part. The first limiting piece and the second limiting piece are used for supporting, limiting and guiding the objective table, composite degree-of-freedom excitation can be achieved only through z-direction exciting force, operation is convenient, and the testing effect is good.

The invention discloses a shaver featuring a shaver head with a double-layer elastic structure, which is characterized by comprising a shaver head and a main body, wherein the shaver head comprises an upper shaver head shell and a lower shaver head shell; a connecting rod is arranged on a bottom surface of the lower shaver head shell; a moving blade connector, a first moving blade and a second moving blade fixing part are arranged above the lower shaver head shell; and a first stationary blade, a second stationary blade and a second moving blade are mounted on the upper shaver head shell. The shaver of the invention can trim long hair and short hair at the same time, a first elastic part is arranged between the moving blade connector and the lower shaver head shell, and a second elastic part is arranged between the second moving blade fixing part and the moving blade connector; the shaver head adopts a single drive, four springs divided into two groups, and a balance limit structure, so as to provide stable elastic force for the first moving blade and the second moving blade, prevent the two groups of blades from interfering with each other, and guarantee force balance; consequently, the shaver achieves enhanced working stability, improved shaving effect, while minimizing the risk of skin scratches.

The invention relates to the technical field of medical apparatus and instruments, and discloses a long-acting gastric retention drug delivery device which can enter the stomach in an oral self-ingestion mode, further realizes size change through expansion of an elastic assembly, enhances the mechanical strength of the elastic assembly through a water-induced hard polymer, and avoids extrusion deformation and emptying through the pylorus of the stomach. The device comprises a medicine carrying assembly, an elastic assembly and a connecting assembly, the medicine carrying assembly comprises a plurality of medicine carrying pieces, and each medicine carrying piece is provided with a medicine carrying cavity. The elastic assembly comprises a plurality of elastic pieces, and the first ends of the elastic pieces are connected with one another, so that the elastic assembly is in a star shape in the unfolded state. The outer layer of the elastic assembly is coated with a reinforcing film, and the reinforcing film is formed by curing a water-hardened polymer and can be gradually converted into rigidity from flexibility in a water-based environment. The connecting assembly comprises a plurality of connecting pieces, the second end of one elastic piece is connected with one medicine carrying piece through one connecting piece, and the connecting pieces are decomposed under preset conditions, so that the medicine carrying pieces and the elastic assembly are separated and discharged out of the body in a non-invasive mode.

The utility model discloses a temperature control water nozzle service life testing machine, and relates to the technical field of temperature control water nozzle service life detection. The temperature control water nozzle service life testing machine comprises a testing stand and a constant temperature water nozzle body, a fixing frame is fixed to the rear side of the top of the testing stand, a water supply pipe is embedded in the fixing frame, a water outlet pipe is arranged on the front side of the water supply pipe, a threaded sleeve is rotationally connected to the front end of the water outlet pipe and is in threaded fit with the constant temperature water nozzle body, and a hose is connected between the water supply pipe and the water outlet pipe. A screw rod is obliquely arranged on the inner side of the fixing frame, a movable block is arranged on the screw rod in a threaded mode, an elastic assembly is connected to the bottom of the movable block, a U-shaped frame is connected to the lower end of the elastic assembly, a pressing wheel is rotationally installed on the inner side of the U-shaped frame through a rotating shaft, and the pressing wheel is matched with a hose. By combining the elastic effect of the elastic assembly, the pressing wheel extrudes the hose, the size of the drift diameter of the hose is changed, the purpose of adjusting the water flow speed is achieved, the structure is simple, and use is convenient.

The invention discloses a rod end pedicle screw connector and a spine stabilizing device, and the connector comprises a first maintaining part which is provided with a cylindrical cavity, a main accommodating groove and an extrusion cavity; the second retaining part is arranged in the columnar cavity and is fixed with the rod-shaped part; the main gland is screwed with the upper cavity wall of the columnar cavity; a first sub-gland for pressing the second holding member; the wrapping part is arranged in the extrusion cavity and used for clamping the ball head of the screw; a force transmission part is arranged between the wrapping part and the main gland and used for transmitting pressure applied by the main gland to the wrapping part. An elastic component is arranged in the columnar cavity and is provided with a first combining end and a second combining end, and the two combining ends are allowed to be close to or far away from each other and the first combining end is allowed to swing in any direction relative to the second combining end through elastic deformation; the first combination end is fixedly connected to the second holding part, and the second combination end is fixedly connected to the first holding part or the force transmission part.

The utility model discloses an expansion joint width gauge for bridge detection, which belongs to the technical field of bridge detection and comprises a distance sensor, a distance measuring piece, a main body, a first rotating wheel, a second rotating wheel, a driving piece, a first connecting rod and a second connecting rod. The first connecting rod and the second connecting rod are symmetrically arranged on the two sides of the cavity, the middles of the first connecting rod and the second connecting rod are rotationally connected with the through groove, the first rotating wheel is rotationally connected to the end, away from the cavity, of the first connecting rod, the driving part is fixedly connected to the end, away from the cavity, of the second connecting rod, and the second rotating wheel is fixedly connected to the output end of the driving part. According to the bridge expansion joint width gauge, the problems that an existing width gauge cannot carry out whole-line detection on a bridge expansion joint, installation is extremely inconvenient, and then the bridge detection effect is affected are solved.

The utility model relates to a needle fixture, in particular to a needle positioning fixture, which comprises a base, a positioning pin and a positioning pin. The supporting frame is arranged on one side of the base; the first clamping arm comprises a first end part used for clamping the bending part, the second clamping arm comprises a second end part used for clamping the bending part, the first clamping arm and the second clamping arm are rotatably connected with the sliding block, the supporting frame is provided with a sliding groove which is matched with the sliding block and extends in the axial direction, and the sliding block is slidably connected with the sliding groove; the first end part and the second end part are oppositely arranged, and the first end part and the second end part abut against each other in the clamping area through the first elastic assembly and the second elastic assembly; after the needle is fixed, the needle fixing device further comprises a locking block which is arranged on the base in a sleeving mode and used for fixing the needle and the base. By means of the structure, needle positioning in multiple directions and angles can be achieved through the same clamp.

The invention relates to the technical field of anchor rod construction, and discloses an overturning type telescopic rod hollow grouting anchor rod which comprises a rod body, the rod body is sleeved with a plurality of sleeves evenly distributed in the length direction of the rod body, the outer walls of the sleeves are hinged to a plurality of telescopic rods distributed in the annular circumferential direction, and the telescopic rods can be overturned outwards; the outer wall of the rod body is provided with external threads, the upper end and the lower end of each sleeve are each provided with a first nut, the rod body is sleeved with the first nuts in a threaded mode, the specific positions of the sleeves are fixed through adjustment of the threads of the first nuts, and an anchor rod head is installed at one end of the rod body. The second elastic assembly drives the telescopic rod to turn over outwards and cooperates with the first elastic assembly to achieve rigid constraint, after the string is cut off, the second spring releases elastic force and drives the telescopic rod to turn over quickly, meanwhile, the connecting rod slides upwards to enable the positioning block to be clamped into the sleeve hole, reverse rotation of the telescopic rod is limited, constraint is formed, and the telescopic rod can be completely unfolded; and the problem of extension uncertainty is solved.

The invention discloses a guardrail device and a using method. The guardrail device comprises a frame structure. The first structure and the second structure are movably arranged on the frame structure; the first trundle part is arranged at the bottom of the first structure; the supporting component is arranged at the bottom of the second structure; the first elastic component acts on the first structure, and the second elastic component acts on the second structure; when the weight of the first structure is greater than a first preset weight, the first structure overcomes the elastic force of the first elastic component and moves in the direction close to the bottom of the frame structure, so that the first trundle component extends out of the bottom of the frame structure; when the weight is larger than a second preset weight, the second structure overcomes the elastic force of the second elastic component and moves in the direction close to the bottom of the frame structure, so that the supporting component extends out of the bottom of the frame structure. The foundation protection function is guaranteed through the frame structure, the state of the guardrail device is switched by increasing and decreasing the weight, the guardrail device is convenient to move while normal use is not affected, and therefore balance can be achieved between the easy-to-open moving function and the prominent anti-collision capacity.

The utility model discloses a safe crumple mechanism of a massager, which comprises a base, a swing arm rotatably mounted on the base, a massage component arranged at the far end of the swing arm, a support component arranged below the swing arm and capable of sliding relative to the base, a connecting rod hinged to the support component, the other end of the connecting rod hinged to the middle of the swing arm, and a thrust mechanism arranged on one side of the support component. The thrust mechanism comprises a limiting block abutting against the supporting component and a driving assembly driving the limiting block to move in the sliding direction of the supporting component, an elastic component is arranged between the base and the supporting component, and the elastic component exerts force enabling the supporting component to abut against the limiting block. When the massage part is pressed by external force, the supporting part can overcome the resistance of the elastic part to slide so that the massage part can move towards the base. The utility model has the beneficial effects that the massage component can quickly return from the ejection state when the vehicle is collided, and the safety is good.

The present application discloses a kind of airing device, it belongs to airing equipment technical field, including airing rack and winding structure, airing rack includes first drying rod and second drying rod, second drying rod is operable to be close to or away from first drying rod, to form first drying rod and the first drying rod between second drying rod and the second drying rod of second drying rod lower side second drying rod area;Winding structure includes elastic component and connecting belt, one end of connecting belt is connected with elastic component, one of first drying rod and second drying rod is used to support elastic component, and the other is connected with the other end of connecting belt;When second drying rod is away from first drying rod under the action of downward first external force, the force that connecting belt exerts on elastic component is greater than predetermined tension value to make elastic component elastically deformed and release connecting belt;When first external force disappears, the resilience of elastic component is less than or equal to the gravity of second drying rod to enable second drying rod to hover in the arbitrary position away from first drying rod.

The invention relates to the field of pipeline robots, and particularly discloses a pipeline robot and a control method thereof.The pipeline robot comprises a first section body, a second section body, a third section body and a fourth section body which are sequentially hinged, the hinged axes of all the hinged positions are parallel to one another, and the first section body, the second section body, the third section body and the fourth section body are connected into an M shape; the multiple sets of wheel set mechanisms are arranged, and the multiple sets of wheel set mechanisms are arranged at the hinged positions correspondingly and used for driving the first section body, the second section body, the third section body and the fourth section body to advance along the axis of the pipeline; one elastic assembly is arranged between the first section body and the second section body in a tensioning mode, and the other elastic assembly is arranged between the third section body and the fourth section body in a tensioning mode; one driven wheel set is arranged at the end, away from the second section body, of the first section body, and the other driven wheel set is arranged at the end, away from the third section body, of the fourth section body. The pipeline robot has the effect that the pipeline robot needs to adapt to different pipe diameters.

The present invention discloses a normally closed three-way solenoid valve, comprising a valve seat, a valve cavity is arranged in the valve seat, a first channel is arranged at the bottom end of the valve cavity, and a second channel and a third channel are arranged at the side of the valve cavity; a valve core assembly comprises a valve body, a first valve core, a second valve core and a first elastic component, the valve body is provided with a flow guiding cavity, a first through hole and a second through hole, and a flow guiding interval is formed between the outer wall of the first valve core and the inner wall of the flow guiding cavity; a flow guiding channel which is connected with the first channel is arranged inside the second valve core; the first elastic component is connected between the first valve core and the second valve core; a magnet assembly comprises a fixed iron, a coil assembly, a moving iron and a second elastic component, the top end of the moving iron is connected with the fixed iron through the second elastic component; and the bottom end of the moving iron is in contact with the first valve core. The present invention avoids spring rebound by arranging the second elastic component between the moving iron and the fixed iron, and can ensure the reliable and accurate operation of the solenoid valve.

The utility model discloses an HEPA rotary floating sealing ring structure of a dust collector, which comprises an HEPA support, a sealing ring and a sealing ring, the HEPA support comprises an upper HEPA support and a lower HEPA support, the upper HEPA support is rotatably connected onto the lower HEPA support, and at least one first mounting groove is arranged on each of two sides of the lower HEPA support; the elastic component is mounted in the first mounting groove, and the top of the elastic component is connected with the upper HEPA bracket; the sealing rings are connected to the upper HEPA support and the lower HEPA support in a sealing mode, and the sealing rings are elastic sealing rings. Compared with the prior art, the dust cup can solve the problem that the use experience of a user is affected by deformation and failure of the sealing ring due to the fact that the sealing ring is flanged when the dust cup is taken out or put in a large vertical dust collector.

A sheet discharging device includes: a discharging roller, elastic pieces, and a discharge tray. The discharging roller includes: a shaft extending in a width direction, and a roller body configured to convey a sheet in a discharging direction. The elastic pieces protrude in the discharging direction and are arranged upward relative to the shaft and offset from the roller body in the width direction. Each elastic piece has a surface facing downward. The surface has a portion directly above the shaft. The portion is positioned downward relative to an upper end of the roller body while not contacting the sheet. The elastic pieces include: a first elastic piece including a bending portion bent toward the discharge tray, and second elastic pieces not including a bending portion bent toward the discharge tray. The first elastic piece and the second elastic pieces are alternately arranged in the width direction.

The invention discloses cutting equipment for metal product machining and a method thereof, belongs to the technical field of metal cutting, and provides the following scheme that the cutting equipment comprises a cutting device, and a cutting auxiliary mechanism is arranged on the cutting device; the supporting plates are connected together through the second guide assembly, so that the multiple supporting plates can synchronously move, a machined part can be sequentially cut along with the supporting plates, meanwhile, the rotating roller moves to the inclined face of the special-shaped sliding rail, displacement motion is generated through the inclined face, the rotating roller drives the first spring to deform through the side plate, and the machining precision is improved. After the machined parts are pushed to the position of the cutting machine equipment to be sequentially cut, the elastic assembly resets to drive the supporting plate to reset, the two machined parts can be far away from a cutting blade of the cutting machine equipment, in this way, the machined parts can be automatically separated from the cutting machine equipment after cutting, secondary friction is avoided, and the machining efficiency is improved. Therefore, cutting errors can be avoided, and the workpieces can be conveniently drawn and taken.

The invention relates to the technical field of well drilling auxiliary tools, in particular to a rotary blowout preventer delivering and taking tool which comprises a center rod, an outer shell, an elastic component and a guide limiting groove. One end of the center rod is in butt joint with a rubber core connecting disc of the rotary sealing assembly; one end of the outer shell is rotationally arranged on the center rod in a sleeving manner, and a plurality of limiting pins are arranged at the other end of the outer shell in the circumferential direction; the elastic part is arranged in the outer shell and axially abuts against the center rod and the rubber core connecting disc; the limiting pin enters the guide limiting groove from the inlet through axial pressure, is limited and reversed in the guide limiting groove through the reversing limiting structure and is moved out of the outlet. When the rotary sealing assembly is put in and taken out, the tool and the rotary sealing assembly can be installed together through rotation of the outer shell, the tool and the rotary sealing assembly can be separated without rotating a center rod to find the position or shearing a limiting pin, residues do not exist in a well, and the safety performance is improved.

The invention discloses a superconducting magnet outer joint welding auxiliary device, which belongs to the technical field of superconducting magnets, and comprises a lifting platform, a concave base, a concave slide way, two groups of bent clamp assemblies, an elastic component, a fastening screw rod and a threaded hole, a concave base is installed above the lifting table, a concave slide way is arranged in the concave base, the concave slide way and the two sets of bent clamp assemblies are installed in a nested and combined mode, and each set of bent clamp assembly is screwed and fixed with a superconducting tape through a screw; the pre-tightening spring is arranged between one side of the concave slide way and one side of the concave base and is matched with the concave slide way to provide tensioning force for the superconducting tape; a threaded hole is formed in the middle of the other side of the concave base. The fastening screw penetrates through the threaded hole and then applies pre-tightening force to the concave slide way. The problems that in the welding process of the high-temperature superconducting magnet, the tensile force needs to be manually provided, and the joint resistance is too large due to the fact that the pre-tightening force is not enough manually provided are solved.

The invention provides a pressing block assembly for fixing a profile and a photovoltaic system comprising the same, the pressing block assembly comprises an upper pressing block, a lower pressing block, an elastic part and a locking assembly, the upper pressing block comprises at least one transversely arranged first connecting part and at least one pair of pressing parts, the pressing parts are installed on the two sides of the first connecting part, and the elastic part is connected with the locking assembly; a first groove is formed between the first connecting part and the pressing part; the lower pressing block comprises at least one transversely-arranged second connecting part and at least one pair of extending parts, and the extending parts are installed on the two sides of the second connecting part, so that a second groove is formed between the second connecting part and the extending parts; the locking assembly penetrates through the first connecting part and the second connecting part, the elastic component is installed on the locking assembly, the upper pressing block and the lower pressing block are locked on the purline through the locking assembly, and the first groove of the upper pressing block and the second groove of the lower pressing block are vertically nested. The pressing block is simple in structure, uniform in stress and not prone to plastic deformation in the bearing process, and the pressing block is not prone to falling off.

A lining flanging machine with a buffering structure comprises a pre-flanging mechanism, a forming mechanism, a conveying mechanism and a material taking mechanism. The pre-flanging mechanism comprises a pre-flanging forming unit, a lower pre-flanging forming unit and a first buffering mechanism. The upper pre-flanging forming unit comprises an upper driving air cylinder and an upper pre-pressing forming die. The upper pre-pressing forming die comprises a connecting disc and a pre-pressing column. The first buffering mechanism comprises a limiting circular ring and a plurality of elastic components arranged between the limiting circular ring and the connecting disc, and therefore the damping effect is achieved when the upper pre-pressing forming unit acts. The conveying mechanism comprises a sliding device and a second buffering mechanism arranged on the sliding device. The second buffering device moves between the pre-flanging mechanism and the conveying mechanism along with the sliding device, and buffering unloading force can be provided when the pre-flanging mechanism and the forming mechanism operate, so that the service life of the flanging machine is prolonged.

A comfortable, well-sealing respiratory mask with an annular comfort layer. The respiratory mask includes a rigid component, an elastic component, and an annular comfort layer. The rigid component is equipped with a gas delivery interface and an annular interface; the elastic component is connected to the rigid component and features a first accommodation area designed to house the user's mouth and nose or only the nose. On one side of the elastic component far away from the rigid component, there is at least one pressing part designed to seal at least a portion of the user's nose; the annular comfort layer has a second accommodation area that communicates with the first accommodation area, covering at least part of the pressing part and jointly forming a sealed surface with the elastic component.

The utility model discloses an automatic tensioning device of a belt conveyor, which comprises a conveyor body, the outer wall of the conveyor body is sleeved with a conveyor belt, the middle position of the bottom of the conveyor body is in bolted connection with a tensioning adjusting mechanism, and the conveyor body is matched with the transmission conveyor belt through the tensioning adjusting mechanism. The tensioning adjusting mechanism comprises two mounting plates, pedestals are fixedly connected to the centers of the bottoms of the two mounting plates, and fixing frames are fixedly connected to the bottoms of the two pedestals. The tensioning adjusting mechanism is installed at the bottom of the conveyor, so that the conveyor belt needing to be tensioned can be subjected to tensioning adjustment in advance, the conveyor belt can be tensioned and fixed in advance, and the self-adaptive elastic assembly is arranged in cooperation with the tensioning adjusting mechanism, so that the conveyor belt can be tensioned and fixed in advance. And the tensioning rollers at the bottom can conduct self-adaptive adjustment on the conveying belt in the transmission process, the situation that the conveying belt is too tightened, and consequently the conveying belt is damaged in the transmission process is avoided, and the service life of the conveying belt is prolonged.

A rear-entry ankle brace includes an elastomeric component defining an inside elbow channel configured to span an ankle joint. A channel opening extends the length of the elastomeric component for direct insertion on top of a leg. One or more leg straps are used to adjustably tension first and second rear edges of the channel opening toward one another and secure the brace to the lower leg. Two foot straps are used to adjustably tension first and second bottom edges of the channel opening toward one another and secure the brace to the mid-foot. The foot straps overlap on the bottom to define a plantar surface of the brace and cross over each other on the topside of the elastomeric component and are secured to a leg strap. A pair of stabilizing stirrups optionally are included on the inside surfaces of the elastomeric component and receive the malleoli.

The invention discloses a bionic ankle joint and an artificial limb, the bionic ankle joint comprises an ankle joint base and a sole mechanism, and the ankle joint base is used for being connected with a leg component; the sole mechanism comprises a front sole component, a rear sole component and at least one elastic piece, the rear sole component is rotationally connected with the ankle joint base, the front sole component is rotationally connected with the rear sole component, one end of the elastic piece is connected with the rear sole component, and the other end of the elastic piece is connected with the front sole component; the elastic component is used for providing elastic restoring force when the front sole component rotates relative to the rear sole component. The sole fitting degree is improved through multi-joint linkage, the gait stability is enhanced, the additional burden caused by uneven stress is avoided, energy recycling is achieved through the elastic piece, energy consumption is reduced, meanwhile, the pedaling effect is improved through elastic assistance in the pedaling stage, the motion characteristic of the bionic ankle joint is closer to the natural state of the human body, and the mechanical performance of the bionic ankle joint is improved. And the matching degree of equipment and human motion characteristics is improved.

The invention relates to the technical field of high-altitude wind power, in particular to a pressing device for pressing a cable wound on a high-altitude wind power single winding drum. According to the pressing device, by arranging the fixing assembly, the main shaft assembly, the rotating assembly and the elastic assembly, elastic force can be provided for the main shaft assembly through the elastic assembly when the rotating assembly does not rotate, so that a pressing block presses a cable on a winding drum, the contact stress between the cable and the winding drum is increased, and the friction force between the cable and the winding drum is enhanced; the problems of insufficient friction force of a single-winding-drum scheme and low transmission efficiency of a double-winding-drum scheme are solved; and when the elastic assembly is compressed under the action of external force, the rotating assembly is forced to rotate, and the main shaft assembly moves relative to the fixed assembly, so that the pressing block is separated from the cable, and the aerial equipment can be conveniently recycled when not doing work.

The invention provides a torsional impact sampling device and system. A torsional impact sampling device comprises a shell, a transmission shaft, an elastic component, an intermittent mechanism, a drill bit, a rotation driving mechanism and a footage driving mechanism, the elastic component is connected with the transmission shaft and the shell, the rotation driving mechanism is connected with the transmission shaft through the intermittent mechanism, the drill bit is installed on the transmission shaft, and the footage driving mechanism is installed on the transmission shaft. And the footage driving mechanism is connected with the transmission shaft.