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 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 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 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 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 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 provides a steel structure conveying belt corridor. The steel structure conveying belt corridor comprises a belt corridor, a first support and a second support, wherein the first support and the second support support the two ends of the belt corridor, and the belt corridor comprises a steel structure body, a conveying mechanism and a tensioning mechanism. The conveying mechanism comprises a belt. The belt corridor is characterized in that the tensioning mechanism is arranged at the side, away from materials, of the steel structure body so that the belt can be in a tensioned state, a plurality of elastic supporting mechanisms are arranged between the steel structure body and the portion, at the side bearing the materials, of the belt, and each elastic supporting mechanism comprises a fixing base, an adjusting block, an elastic piece and a rolling wheel; The fixing bases are fixedly connected with the steel structure body, the elastic pieces are arranged between the fixing bases and the adjusting blocks, the rolling wheels are arranged at the sides, away from the elastic pieces, of the adjusting blocks, and the axial direction of the rolling wheels is perpendicular to the advancing direction of the belt and supports the belt.

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 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 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.