37results about How to "Play the role of elastic support" patented technology

The invention relates to an end face polishing and beveling machine of an optical element, relating to an end face polishing and beveling machine, which is simple in structure and is capable of obviously improving the work efficiency. The end face polishing and beveling machine is provided with a machine tool main body, a polishing device and a beveling device; the machine tool main body is provided with a frame seat, a guide rail, a guide rail sliding block, a limit arm, a gantry arm, a gantry arm sliding block, a first electric motor, a first belt wheel pair, a grinding disc, a guide plate, a flow-limiting ring and an operation panel; the polishing device is provided with a supporting rack, a hand wheel, a lifting screw rod, a main shaft, a main screw rod, side screw rods, an end face clamping plate, side clamping plates, a second belt wheel pair and a second electric motor; and the beveling device is provided with a bottom board, a spring, a workpiece rack, a pawl and ratchet wheel mechanism, an eccentric wheel, side pressure plates and a top pressure plate.

The invention discloses an adjustable support frame for double pipelines. The adjustable support frame comprises a supporting bottom plate, a supporting cylinder sleeve, a vertical sleeve, a supporting compressed spring, a top supporting plate, an adjusting rod and two pipeline supports. According to the adjustable support frame for the double pipelines, the mounting height of the top supporting plate on the adjusting rod can be adjusted according to the supporting height of the pipelines, and the top supporting plate is fixedly mounted through a fastening nut; if the heights of the two pipelines are different, the mounting heights of the two pipeline supports can be adjusted through mounting external threads, and the pipelines are fixed through locating nuts; the height of a piston can beadjusted through oil drainage of an oil control bolt; the supporting compressed spring and the piston cooperate to achieve an elastic supporting function, and damping mounting of the supported pipelines can be achieved; and the two pipelines are supported on the two pipeline supports of one pipeline bracket, so that cost of one bracket can be saved, and resource waste is avoided.

The invention discloses a heating frying-baking device, comprising an upper shell assembly and a lower shell assembly which are mutually articulated, and a lifting lever handle rotationally connected with the upper shell assembly, wherein a baking tray assembly is arranged between the upper shell assembly and the lower shell assembly, the baking tray assembly comprises a baking tray, which comprises an upper baking tray and a lower baking tray which are oppositely arranged, the outer sides of the upper and lower baking trays are respectively detachably connected with the upper and lower shell assemblies by latch structures, the middle parts of the upper and lower baking trays make elastic contact with the upper and lower shell assemblies by contact point structures, and when the upper and lower baking trays are in elastic contact with the upper and lower shell assemblies, a circuit is connected; two groups of electrical heated tubes are arranged, and are respectively riveted and pressed in the upper baking tray and the lower baking tray. According to the heating frying-baking device, the baking trays can be detachably connected by the latch structures, can be detached off at anytime to be cleaned in a dish-washing machine, and convenience and rapidness are realized; the contact point structures guarantee that the circuit is connected only when the baking trays are mounted in place, the safety of the frying-baking device in use is improved, and safety loopholes such as electric leakage are avoided; the electrical heated tubes are riveted and pressed in the baking trays, when food is baked, the heat utilization ratio is high, and quick cooking and baking can be realized.

The present invention relates to a mechanically-adjustable-clearance semi-active radial sliding bearing including a lower tile cover, a regulator, a lower tile, an upper tile, a spring, a hydraulic system and a signal acquisition system. The mechanically-adjustable-clearance semi-active radial sliding bearing has the following advantages: first, the regulator rotates to realize the radial movement of the lower tile so as to adjust a bearing relative clearance, bearing vibration can be reduced, and bearing positioning accuracy can be improved; second, a driving device of the regulator is a servo motor for driving, control precision is high, and a high torque can be achieved, so that bearing capacity is high; third, the signal acquisition system is capable of real-time acquisition of displacement and acceleration signals of the bearing, and timely feeds the signals back to the regulator after processing of the signals, so that the bearing relative clearance can be timely changed, and intelligent control of the bearing can be realized; and fourth, the lower tile and the regulator are connected by the spring to play an elastic support role, bearing damping can be increased, and the bearing vibration can be reduced.

The invention relates to an organic acid modified Si / TiO2 / rGO@C lithium ion battery negative electrode material as well as a preparation method thereof. The preparation method comprises the followingsteps: S1: adding powder of nano titanium dioxide and silicon into a dispersed medium, performing the ultrasonic dispersion treatment, and ball milling; S2: adding dispersion liquid of graphene oxideinto a mixture obtained in step S1, and ball milling; S3: adding an organic carbon source into the mixture obtained in step S2, stirring, and ball milling; S4: centrifuging and drying the mixture obtained in step S3 to obtain a Si / TiO2 / GO / C composite; S5: in an inert atmosphere, calcining the Si / TiO2 / GO / C composite obtained in step S4 at 350 to 450 DEG C to obtain the negative electrode material.The invention also relates to application of the negative electrode material in a lithium ion battery negative plate. The preparation method has the advantages of simplicity and convenience in operation, low cost, easy industrialized production and the like; and the obtained negative electrode material is excellent in comprehensive performance, high in capacity retention rate and stable charging-discharging circulation performance.

The invention discloses a convenient-to-assemble photovoltaic junction box, which comprises a box body, a waterproof unit, a buffer unit, a threading protection unit, a fixing unit, a limiting unit and a mounting plate, wherein the upper end of the outer side surface of the rear plate of the box body is fixedly connected with two symmetrical inserting blocks; a connecting pin is inserted into theinserting block; one end of the connecting pin is of a conical structure; the middle of the outer arc surface of the connecting pin is rotationally connected with a circular hole in one end of the connecting plate; the other end of the connecting plate is fixedly connected with a box cover; the connecting plate is respectively in contact with the inner side surfaces of the two inserting blocks; the waterproof unit is arranged at the upper end of the box body; the buffer unit is arranged on the upper surface of the bottom plate of the box body; and the mounting plate is arranged at the top endof the buffer unit. According to the convenient-to-assemble photovoltaic junction box disclosed in the invention, rapid assembly of the box body can be achieved, rapid installation of a circuit boardcan also be achieved, and the sealing and waterproof performance is good; as a cable protection device is arranged, the surface of the cable is prevented from being scratched; and as a damping deviceis further arranged, the protection performance is good.

The invention relates to a rolling bearing assembly which comprises a bearing body, a steel ball group formed by multiple steel balls, and a holder. The steel ball group is embedded into the holder soas to form a whole; the bearing body is arranged in a cavity space formed by channels of a bearing inner ring and a bearing outer ring; two contact points are produced on contact surfaces between each steel ball in the steel ball group and the bearing inner ring as well as each steel ball and the bearing outer ring; and the bearing body, the bearing inner ring and the bearing outer ring are arranged in a bearing seat ring. According to the bearing assembly, the bearing can have a larger center adjusting quantity under the condition of a small free clearance, and meanwhile, the bearing assembly can further provide a certain resilience force and damping, so that the clearance of an assembly system is fully eliminated, and the vibration is reduced.

The invention relates to the technical field of biological treatment devices, and discloses a solid waste biological treatment device which comprises a biological treatment device body. An upper coveris installed on the upper portion of the biological treatment device body, a buckle is fixedly connected to the outer portion of the lower portion of the upper cover, a feeding port is fixedly connected to the upper portion of one side of the biological treatment device body, and the lower part of the biological treatment device body is fixedly connected with a conveying pipeline. According to the solid waste biological treatment device, a device spring is clamped between the lower portion of a telescopic rod and the interior of a supporting jacket, so that when the solid waste biological treatment device is used, the device spring can play a role in elastically supporting the telescopic rod of the device, in the way, in the using process, the telescopic rod of the device can be buffered,and during use, the phenomenon that the noise is generated due to the device vibrates to drive a base to vibrate the ground is avoided, so that the phenomena of shock absorption and noise reduction can be achieved when the device is used.

The invention relates to the technical field of deep water drilling auxiliary devices, in particular to a clamping mechanism for a rod changing mechanism of a deep sea drilling machine. The fixing effect on drill pipes is enhanced; better support for the drill pipes can be provided, and the sliding of the drill pipes is decreased; the clamping mechanism includes a bottom plate and four groups of support legs; the clamping mechanism further includes a left driving rod, a right driving rod, a left fixing pin, a right fixing pin, a left lug plate, a right lug plate, a left air cylinder, a right air cylinder and a transverse plate, a lower half area of the right side wall of the left driving rod and a lower half area of the left side wall of the right driving rod are correspondingly provided with a left pressing plate and a right pressing plate, a top central area of the transverse plate is longitudinally provided with communicating holes, and a left part output end of the left air cylinder and a right part output end of the right air cylinder are correspondingly provided with a left expandable rod and a right expandable rod; and the clamping mechanism further includes a left supporting plate, a right supporting plate, a left spring, a left blocking plate, a right blocking plate, a left sliding rod, a right sliding rod, a left clamping plate and a right clamping plate, and the central areas of the left side walls of the left supporting plate and the right supporting plate are correspondingly and transversally provided with a left sliding hole and a right sliding hole.

The invention discloses a fertilizer impurity screening device, and relates to the technical field of fertilizer production. The fertilizer impurity screening device comprises a screening box, the bottom of the screening box is fixedly installed on the top of a base, a feeding port and a discharging port are formed in the top of the rear side and the bottom of the front side of the screening box separately, a driving motor is fixedly installed on the top of the right side of the base, and an output shaft of the driving motor is fixed to a screening shaft. According to the fertilizer impurity screening device, in the rotating process of the screening shaft and a screening arc plate, an auxiliary wrapping mechanism on the screening arc plate can wrap a fertilizer, when the screening arc plate rotates to be close to a magnetic adsorption layer, the auxiliary wrapping mechanism enables the fertilizer to be separated from the screening arc plate under the magnetic action of a magnetic adsorption layer, the fertilizer flies out under the action of centrifugal force and slightly collides with the magnetic adsorption layer, scrap iron in the fertilizer is adsorbed by the magnetic adsorption layer, so that the scrap iron in the fertilizer is screened out, and the influence of the scrap iron on the fertilizer applying effect is prevented.

The invention belongs to the technical field of controllers, and particularly relates to a modular programmable logic controller, which comprises a base body, wherein a mounting cavity is formed in the side wall of the base body, a slot frame is fixedly inserted into the mounting cavity, a flowing cavity is formed in the slot frame, a plurality of conductive thimbles are arranged in the slot frame, a conductive plug is inserted into the slot frame in a matched mode, a sealing sliding plate is inserted into the slot frame in a sliding mode through an elastic cavity bag, the sealing sliding plate is slidably sleeved on the plurality of conductive thimbles, the side wall of the elastic cavity bag is communicated with the flowing cavity through a liquid guide pipe, an elastic protruding film is arranged on the inner wall of the slot frame in an attached mode, an expansion cavity is formed by the elastic protruding film and the inner wall of the slot frame, the expansion cavity communicateswith the flowing cavity through a guide groove, and the elastic protruding film is elastically expanded and clamped into a clamping groove in the outer wall of the conductive plug. According to the invention, the phenomenon that the conductive plug is separated from the slot frame due to the fact that the controller is installed in an environment with frequent vibration is effectively prevented.

The invention provides a textile fabric dyeing device with a drying function. The textile fabric dyeing device comprises a box body, wherein a dye box is connected with the bottom of an inner cavity of the box body in a bolted mode, a liquid outlet pipe is in communication with the bottom of the left side of the dye box, and the end, away from the dye box, of the liquid outlet pipe penetrates through the box body to the outside. Through cooperation of the heating box, hot air generated by a heating pipe can be conveniently stored; through cooperation of the heating pipe, a heat source can be provided for the box body; through cooperation of an air pump, a driving source can be provided for heat conveying; through cooperation of a three-way pipe and a communicating pipe, the hot air can beevenly conveyed to a spray head; and through cooperation of the spray head, textile fabric can be uniformly dried conveniently, the drying speed of the textile fabric is increased, the production quality of the textile fabric is improved, meanwhile, the working efficiency of a user is improved, the processing cost of the textile fabric is reduced, and the problem that most traditional textile fabric dyeing devices do not have the drying function is solved.

The invention relates to the technical field of material conveying and discloses an energy-saving and environmental-friendly material conveying fan. The energy-saving and environmental-friendly material conveying fan comprises a bottom plate. Two movable grooves and a limiting groove are formed in the upper surface of the bottom plate. The limiting groove is positioned between the two movable grooves. The inside of the limiting groove is communicated with the lower part of the bottom plate. The top of the inner side wall of each movable groove is fixedly connected with a stopper ring. The bottom of the inner wall of each movable groove is fixedly connected with a first spring. According to the energy-saving and environmental-friendly material conveying fan, second springs play an elastic supporting role on first compression bars and second compression bars to achieve the first shock absorption function; support bars conveniently transmit the pressure of the first compression bars and the second compression bars to the first springs; the first springs play the second shock absorption function on a casing; and a fixed rod compresses the air in the casing by using a sealing block to achieve the third shock absorption function, the influence caused by shaking of the casing is reduced, the role of reducing noise is played and the environmental-friendly effect is achieved.

The invention discloses a five-point stable trachea cannula fixing device and a fixing method thereof, and relates to the technical field of medical instruments. In order to solve the problems that an existing fixing device adopts two-point fixing, only fixing bands are arranged backwards on the two sides of the device, the skin of the lip and the lower jaw is pressed and even damaged due to sliding of a rear binding band, and a plastic block, playing a role of a tooth cushion inwards, of the existing device is too short and cannot play the role of the tooth cushion, the tongue is often pressed, and the existing device is not suitable for being used for a long time. According to the five-point stable trachea cannula fixing device and the fixing method thereof, a five-point stable fixing structure is formed through cannula fixing pieces, the cannula fixing pieces are fixed to the face and the mouth of the human body, displacement in the cannula inserting process is avoided, and through fixing of a front positioning gauze element and a rear positioning gauze element, the situation that the skin of the lips and the lower jaw is pressed or even damaged due to sliding of a traditional rear bandage is avoided, stability is improved, the use comfort of a patient is improved, operation is easy, production cost is low, and the application range is widened.

The invention discloses waste lithium ion battery cover plate recycling equipment which comprises a recycling platform, the recycling platform comprises a conveying device, a front platform body and a rear platform body, the front platform body and the rear platform body are connected through the conveying device, and supporting legs are installed at the bottoms of the front platform body and the rear platform body. The conveying device comprises a first conveying belt and a second conveying belt, the first conveying belt and the second conveying belt are installed between the front platform and the rear platform through supporting shafts installed on the supporting legs, and L-shaped clamping plates are installed on the surfaces of the front platform and the rear platform between the middle of the second conveying belt and the left end of the recycling platform. Grinding devices are installed on the front platform and the rear platform between the first conveying belt and the second conveying belt, and the upper surfaces of the grinding devices and the upper surface of the supporting part are coplanar. The waste lithium ion battery cover plate processing equipment overcomes the defects in the prior art, is convenient to use, can automatically process waste lithium ion battery cover plates, and improves the working efficiency.

The invention relates to the field of circuit protection technology and discloses an EPS protection plate used for a circuit and with strong hydrophobicity and protective properties. The EPS protection plate comprises a plate body, the upper surface of the plate body is fixedly connected with a hydrophobic cushion, baffles are respectively fixedly connected with the two side surfaces of the hydrophobic cushion, the lower surface of the plate body is fixedly connected with a buffer cushion, the two side surfaces of the plate body are respectively overlapped with a fixed block, the upper surfaceof each fixed block is fixedly connected with a stop block, and a fixed slot is formed inside each fixed block. The EPS protection plate used for the circuit and with strong hydrophobicity and protective properties realizes flexible support effect on a movable plate by virtue of a first spring and a second spring, flexible support effect on the plate body is conveniently realized, damage producedwhen the plate body is impacted is reduced, protective effect on the plate body is guaranteed, some degree of supporting effect on the plate body is conveniently realized by utilizing an arc-shaped rod, and pressure received by the plate body can be conveniently shared, so that the plate body can bear a relatively high pressure, and the protective properties of the plate body on the circuit are guaranteed.

The invention discloses an economic management voucher vacuum packaging machine which structurally comprises a vacuum suction part, a placing device, a protective cover, a machine body and moving wheels. When the economic management voucher vacuum packaging machine is used, bound vouchers are placed in vacuum protective bags, and the vacuum protective bags are neatly placed in a placing cavity; a suction opening in the vacuum protection bag can be in butt joint with a butt joint opening in the mounting base, the four edges of the vacuum protection bag are clamped and grabbed through the restraining assembly, the vacuum suction piece is in butt joint with the butt joint opening in a matched mode, gas in the vacuum protection bag is sucked outwards, and in the suction process, the pushing and pressing plate is pushed and pressed downwards, so that the vacuum protection bag is clamped and grabbed. And the pushing and pressing plate can assist the vacuum suction part in quickly discharging gas in the vacuum protection bag outwards, so that the voucher packaging effect is effectively improved.

The invention discloses a footwear article. The footwear article comprises a vamp and a sole. The vamp comprises a fabric body for receiving a foot and an elastic support component assembled on the fabric body. The elastic support component is used for elastically supporting the fabric body. The foot comfort of a user is improved in the using state of the footwear article, and the beauty is improved in the unused state of the footwear article. The elastic support component comprises a man body part corresponding to the top of acrotarsium and at least one rib part extended from the man body part. The tail end of the rib part is fixedly connected with the sole. The foot is elastically packaged by the footwear article, so the footbinding feeling of shoes is improved, and the deficient tread control force and sprain risk caused by the loosened vamp can be avoided.

A disclosed computer numerical control photoelectric integrated electromagnetic suspension rehabilitation nursing bed comprises a lower bed body, an upper bed body, a protective guard plate structure, a storage table and a numerical control table structure, a base is arranged at the bottom of the lower bed body, and a step plate is arranged in the middle of the front side face of the base; the upper bed body is suspended at the upper part of the lower bed body, meanwhile, a lower mattress structure is arranged at the rear part of the upper end surface of a bed board, and an upper mattress lifting control panel is arranged on the front side surface of the bed board; a left bed frame is arranged at the left end of the bed board, and a right bed frame is arranged at the right end of the bed board; and the numerical control table structure is arranged in the middle of the rear side face of the lower bed body. The computer numerical control photoelectric integrated electromagnetic suspension rehabilitation nursing bed is reasonable in structural arrangement, the upper bed body and the lower bed body are conveniently suspended through magnetic induction, magnetic suspension is used for reducing pressure, reducing local compression time and improving blood circulation so as to avoid bedsore, a patient can be helped to recover and nurse more quickly and better, manpower and material resources are saved, and the nursing bed is more convenient and trouble-saving to use.

The invention relates to an end face polishing and beveling machine of an optical element, relating to an end face polishing and beveling machine, which is simple in structure and is capable of obviously improving the work efficiency. The end face polishing and beveling machine is provided with a machine tool main body, a polishing device and a beveling device; the machine tool main body is provided with a frame seat, a guide rail, a guide rail sliding block, a limit arm, a gantry arm, a gantry arm sliding block, a first electric motor, a first belt wheel pair, a grinding disc, a guide plate, a flow-limiting ring and an operation panel; the polishing device is provided with a supporting rack, a hand wheel, a lifting screw rod, a main shaft, a main screw rod, side screw rods, an end face clamping plate, side clamping plates, a second belt wheel pair and a second electric motor; and the beveling device is provided with a bottom board, a spring, a workpiece rack, a pawl and ratchet wheel mechanism, an eccentric wheel, side pressure plates and a top pressure plate.

The invention discloses anintelligent care mattress for the elderly, which comprises an adjusting layer, a mattress surface and an interlayer; the lower surface of the mattress surface is attached to the upper surface of the interlayer, the end, away from the mattress surface, of the interlayer is connected with the adjusting layer, softness is adjusted according to needs of a user, a push rod needs to be pushed inwards, and a semi-supporting arc and a soft arc of the mattress can rotate along with a middle wheel; when the soft core of the mattress is extruded towards the two sides, the soft core plays a role in elastically supporting the joint part, the mattress can be adjusted to be in a required state when the required conditions of old people are different, the hard arc bodies of the mattress are separated through the separation strips, and the hard core of the mattress can be pressed downwards layer by layer to support hard force when being stressed; and when the hard core maintains its own form to support an external force, the hard core is located at the middle end of the joint part to play a role in fixing the hard force, and when the hard arc body bears the external force and the hard ring is rotated to the upper end to be stressed, the hard arc body can be properly located on the two sides of the hard force part to play a role in buffering, and the hard force can be increased layer by layer on the two sides.

The invention discloses a radiology department image diagnosis film reading device, and relates to the technical field of diagnosis image film reading devices. The film reading device comprises a boxbody, a cover plate is hinged to the box body, a first film reading unit and a second film reading unit which can be stored in the box body are arranged on the two sides of the interior of the box body respectively, and a positioning assembly used for elastically supporting the first film reading unit and the second film reading unit is arranged in the box body; the first film reading unit and thesecond film reading unit each comprise a film reading assembly and a foldable folding supporting assembly, each film reading assembly comprises a light-transmitting plate and a frame, the light-transmitting plates are installed in the frames, supporting plates are arranged at the upper ends of the folding supporting assemblies, and rotating connecting assemblies are arranged between the supporting plates and the frames; and each film reading assembly is also provided with a pressing assembly for elastically pressing the film. The film reading device can be stored and carried, occupies a smallspace, and is convenient for doctors to read films when going out for treatment or academic communication and the like; and the two films can be conveniently compared and observed at the same time.

The invention discloses a punching device for a paperboard, and relates to the technical field of mechanical punching. The punching device for the paperboard comprises a base, wherein a positioning shaft is fixed to the top of the base, a limiting sleeve is connected to the top of the positioning shaft in a sleeving mode, the bottom of the limiting sleeve and the top of the base are fixed to the two ends of a supporting spring respectively, and a puncher is fixed with the left side of the outer wall of the limiting sleeve. According to the punching device for the paperboard, in the process that a punching sleeve continues to descend after punching is completed, the punching sleeve and a driving sleeve can move relative to each other, the driving sleeve enables an anti-adhesion strip to move in the punching sleeve through a pushing strip, a rotating strip and a connecting strip, so that round paperboard waste in the punching sleeve is pushed out of the punching sleeve and is discharged out of the device through a leakage channel and a discharge channel, the round paperboard waste is prevented from being accumulated in the punching sleeve, the situations that the punching efficiency is reduced and the punching effect becomes poor due to cleaning of the round paperboard waste are avoided, and the punching efficiency and effect of the punching device on the paperboard are improved.

The invention relates to a cable bridge with double-layer main cable, belonging to bridge engineering filed. Cable bridge with double-layer main cable comprises anchorages arranged on both sides of a river channel, main cable laid between the anchorages and bridge deck slabs laid on the main cables. The main cable comprises upper main cable and lower main cable. The upper main cable and the lower main cable are connected by steel bent frames. The vector of the lower main cable is larger than the upper main cable. The main cable is divided into two layers. The lower main cable is adopted with a catenary with larger vector to reducing the tension the main cable. The lower main cable is provided with the steel bent frames connecting with the upper main cable. The upper main cable is adopted with the catenary with smaller vector to improve traffic conditions. Meanwhile, the steel bent frames on the lower main cable plays an elastic supporting role for the upper main cable, which is equivalent to dividing the upper main cable into a multi-span cable bridge, thus reducing the tension of the upper main cable. Double main cables of a cable bridge can effectively improve the traffic condition and reduce the tension of the main cables.

The invention discloses a special balance vehicle for high-voltage transformer installation. The special balance vehicle comprises a first balance vehicle body, wherein a second balance vehicle body is movably connected to the right side of the first balance vehicle body, a mounting block is fixedly connected to the right side of the first balance vehicle body, a fixing block is fixedly connectedto the left side of the second balance vehicle body, and a round hole is formed in the mounting block. The invention relates to the technical field of balance vehicles. According to the special balance vehicle for high-voltage transformer installation, a sliding column slides in the round hole, then the sliding column is rotated to enable a clamping block to be clamped in a clamping groove, a threaded column is matched to rotate, a triangular inclined block is driven to slide on the surface of a triangular inclined rail, and the sliding column is further limited, so that the balance vehicle isconvenient to detach, convenient to carry and low in space occupation rate; and meanwhile, a hydraulic cylinder is used for driving a pedal to move up and down, then the height can be adjusted in a small amplitude range aiming at upper and lower height differences while the high-voltage transformer is installed conveniently, and the burden of mounting personnel is reduced.

The invention discloses a nanometer self-cleaning lining stainless steel pipe. The nanometer self-cleaning lining stainless steel pipe comprises a steel pipe body, a sealing ring is arranged on the end face of the steel pipe body, the inner diameter of the sealing ring is larger than that of the steel pipe body, the sealing ring is connected with the end face of the steel pipe body in a gluing mode, a nanometer layer is connected with the steel pipe body through retaining strips, the retaining strips can drive the nanometer layer to freely move in the steel pipe body through cooperation with aguide wheel, limiting pins are designed in two retaining strips, one end of each limiting pin can stretch into a round hole, corresponding to the limiting pin, in the inner wall of the steel pipe body under the action of a compressed spring, the relative positions of the retaining strips and the steel pipe body are fixed, that is, the nanometer layer and the steel pipe body are fixedly connected,and the situation that use of the device is affected due to dislocation between the nanometer layer and the steel pipe body in the use process is avoided. When the nanometer layer needs to be replaced, pressing blocks on the two side faces of the steel pipe body are pressed, the limiting pins are pushed to compress the compressed springs, locking of the limiting pins to the nanometer layer is relieved, the nanometer layer can be freely detached, overhauling and replacing are convenient, and the device design is more humanized.

The invention discloses a lawn converter for golf training. The lawn converter comprises a supporting base, a motor, a rotating shaft and at least one artificial lawn with a lawn face. The artificial lawn is circumferentially positioned to the rotating shaft, the motor and the rotating shaft are fixedly arranged on the top of the supporting base, and the motor can drive the rotating shaft to rotate and drive the artificial lawn to rotate and be positioned. A first elastic mechanism is additionally arranged. The first elastic mechanism can store energy when the artificial lawn is subjected to acting force in the horizontal direction and reset the artificial lawn when the acting force in the horizontal direction disappears. Due to the fact that the lawn converter is provided with the first elastic mechanism and a second elastic mechanism, impact force in the horizontal direction is absorbed by means of the first elastic mechanism, impact force in the vertical direction is absorbed by means of the second elastic mechanism, the problem that the wrists and arms of a golf player are injured when the golf players beat the land at first can be avoided, the flying distance of a golf ball is similar with that on the natural lawn, and the training accuracy degree and effect can be improved.

The invention provides a hybrid squirrel cage energy collection device. The device comprises a squirrel cage fixing end connected with an external rotor, a squirrel cage bearing end and a detachable cage bar assembly connected between the squirrel cage fixing end and the squirrel cage bearing end; the squirrel cage fixing end, the squirrel cage bearing end and the detachable cage bar assembly jointly form a squirrel cage structure; a piezoelectric energy collection assembly is arranged on the detachable cage bar assembly; and a triboelectric energy collection assembly is connected to the squirrel cage bearing end. The hybrid squirrel cage energy collection device provided by the invention is resistant to impact, so that elastic support of a rotor system can be realized, and the working state of the rotor cannot be influenced; useless and even harmful vibration energy in the rotor can be converted into electric energy, the rotating speed of the rotor cannot be affected, and meanwhile the vibration response of the rotor can be reduced; and moreover, the output voltage of the hybrid squirrel cage energy collection device can represent the working state of the rotor system, and the hybrid squirrel cage energy collection device has the function of monitoring the state of the rotor system.

The invention belongs to the technical field of controllers, in particular to a modular programmable logic controller; comprising a base body; a side wall of the base body is provided with an installation cavity, and a slot frame is fixedly inserted into the installation cavity; A flow cavity is opened inside the slot frame, and a plurality of conductive thimbles are arranged inside the slot frame; the slot frames are mutually inserted and matched with conductive plugs, and the inside of the insertion frame is slidably inserted with a sealing slide plate through an elastic cavity bag; The sealing slide is slidably sleeved on a plurality of conductive thimbles; the side wall of the elastic cavity bag is communicated with the flow cavity through the catheter; the inner wall of the slot frame is fitted with an elastic raised film, and the elastic raised film is connected to the slot An expansion cavity is formed on the inner wall of the frame, and the expansion cavity is communicated with the flow cavity through a guide groove; the elastic convex film elastically expands and snaps into the engaging groove on the outer wall of the conductive plug; effectively prevents the controller from being installed in an environment with frequent vibrations , and then lead to the phenomenon that the conductive plug is detached from the socket frame.