119results about How to "Drive stability" patented technology

The present invention discloses a bearing ring outer surface grinding device for bearing processing, including a grinder arranged on a frame, the frame being provided with a rotary feed structure; the rotary feed structure comprising a rotating frame rotatably connected in the frame, a driving device, a driving gear, a transmission gear, a gear ring, a clamping ring, a reciprocating screw, a reciprocating wire block, a support sleeve and an inner support clamping structure arranged on the support sleeve, the clamping ring being arranged on the rotating frame, the gear ring being connected to the rotating frame, the gear ring being meshed with the transmission gear, and the transmission gear being meshed with the driving gear, the driving gear being arranged on the driving shaft of the driving device, the driving shaft of the driving device being connected to the reciprocating screw through a control structure, and the reciprocating wire block being connected to the reciprocating screw. The present invention ensures the rotary feed stability during the grinding of the bearing ring, and can also position and control the grinder, so that the grinding work can be completed more easily.

The invention discloses a wear-resistant powder metallurgy duplicate gear which comprises a cast pipe, a top fluted disc structure arranged at the top of the cast pipe, a reinforcing fluted disc structure detachably connected with the cast pipe, a first linkage disc structure arranged at the top of the top fluted disc structure and a second linkage disc structure arranged at the bottom of the reinforcing fluted disc structure. The cast pipe is hollow, the top fluted disc structure comprises a fluted disc I and a fluted disc II, the fluted disc II is arranged at the top of the fluted disc I, the ruler diameter of the fluted disc I is larger than that of the fluted disc II, the fluted disc I and the fluted disc II are both fixedly connected with the cast pipe, the reinforcing disc structure comprises a seat disc, a column hole is formed in the middle of the seat disc, and the column hole is communicated with the column hole. A convex edge is arranged on the outer side of the base disc, a gear ring is arranged on the outer wall of the convex edge, the base disc is arranged in the middle of the cast pipe in a sleeved mode, two convex plates are arranged on the top of the base disc, and a retaining ring is arranged in the middle of the cast pipe. According to the device, rapid assembly is facilitated, parts are convenient to add on the whole, and driving is relatively stable.

The invention provides a display device and a driving circuit thereof, and the driving circuit comprises a gate driving circuit which comprises a plurality of cascaded shift registers and is used for providing a row driving signal for a pixel circuit of the display device; the power management circuit is used for generating a power voltage signal; the time sequence control circuit is connected with the power supply management circuit and is used for generating a time sequence reference voltage signal based on the time sequence working voltage signal provided by the power supply management circuit; and the voltage conversion circuit is connected with the power supply management circuit, the time sequence control circuit and the shift register, and is used for obtaining a target voltage signal based on the power supply voltage signal and converting the time sequence reference voltage signal into a driving voltage signal based on the target voltage signal so as to drive the shift register. The voltage conversion of the gate driving signal can be realized, different driving voltage requirements are met, and the overall energy consumption is reduced.

The invention discloses milling equipment for transmission shaft machining, and relates to the technical field of transmission shaft milling, the milling equipment comprises a base, a moving assembly is arranged on one side of the top of the base, a mounting frame is mounted on the moving assembly, a milling assembly is mounted on the mounting frame, and a fixed base is arranged on the other side of the top of the base; a clamping system and a driving assembly are mounted on the fixed base, the driving assembly is connected with the clamping system, and the clamping system is driven by the driving assembly to move; wherein a clamping assembly and a regulation and control assembly are arranged in the clamping system, the regulation and control assembly is connected with the clamping assembly, and the clamping assembly is driven to move through the regulation and control assembly; the regulation and control assembly is arranged in the clamping system to drive the clamping assembly to move, the influence of external factors is avoided, through bidirectional driving, the clamping assembly is kept to be stressed evenly, movement deviation is avoided, clamping of the clamping assembly is more stable, and milling machining of the transmission shaft is more accurate.

The utility model relates to a motorcycle balance rod which comprises a cylinder body, a piston rod and a one-way valve, the piston rod is arranged in the cylinder body to do axial movement, the one-way valve is arranged in the center of the piston rod and arranged in the cylinder body, and end covers are arranged at the positions, located at an opening of the cylinder body, of the two ends of the piston rod. The adjusting hand wheel is rotatably connected with the cylinder body, the adjusting hand wheel is provided with an abutting part, an abutting groove abutting against the abutting part is formed in the end cover, the adjusting hand wheel is provided with an adjusting part located at the bottom end of the abutting part, the adjusting part is arranged in the end cover, the adjusting part is provided with adjusting grooves from deep to shallow, the adjusting grooves are communicated with the interior of the cylinder body, and the end cover is provided with through holes communicated with the adjusting grooves. By arranging the adjusting hand wheel and the adjusting groove, the damping force and controllability of the motorcycle are improved, jumping of the front wheel during high-speed driving or emergency braking can be reduced by reasonably adjusting the damping force, and better tire grounding performance is kept.

The invention belongs to the technical field of sole processing, and particularly relates to a sole stamping and flattening device and a use method thereof. The sole stamping and flattening device comprises: a workbench, a sole mold, a quick disassembly assembly, a punching machine body, a pressing plate, and a pressing block, wherein the quick disassembly assembly comprises: a positioning seat, a swinging seat, a primary drive limiting unit, an adjusting seat, and a secondary drive limiting unit, wherein the positioning seat can fix the side wall of the first side of the sole mold; one end of the swinging seat is rotatably connected to the workbench, and a side of the swinging seat close to the positioning seat can fix the front part of the second side of the sole mold; the primary drive limiting unit can drive the swinging seat to swing relative to the workbench, and lock the swinging seat at a current position; one end of the adjusting seat is rotatably connected to the movable end of the swinging seat, and a side of the adjusting seat close to the positioning seat can fix the rear part of the second side of the sole mold; the secondary drive limiting unit can drive the adjusting seat to swing relative to the swinging seat, and lock the adjusting seat at a current position; compared with the prior art, the sole mold can be replaced during use, and the process of disassembling and assembling the sole mold is efficient and stable, and the present invention can adapt to the disassembly and assembly of sole molds of different specifications, and has a wide range of applications.

The utility model discloses an electrical detector for electrical equipment maintenance, and relates to the technical field of electrical equipment maintenance, the electrical detector comprises a detector body and a protective cover slidably sleeved on the outer side of the detector body, the top of the detector body is communicated with a joint, and an elastic opening and closing mechanism is arranged between the protective cover and the detector body. A sleeve is fixedly arranged on the back side of the protective cover, an air inlet pipe and an air outlet pipe are arranged at the two ends of the top of the sleeve in a communicating mode, a pipe opening of the air outlet pipe fixedly penetrates through the side portion of the connector and communicates with the connector, and a piston slidably penetrates through the inner wall of the sleeve; and a reciprocating mechanism for driving the piston to reciprocate is arranged between the bottom of the piston rod and the protective cover. According to the utility model, in the process of opening and closing the detector body by the protective cover, dust is blown out by blowing air into the joint, so that the influence on the connection stability caused by dust blockage when the joint is connected with an external cable is avoided as much as possible.

The utility model discloses a swing leaf structure of air conditioner cabinet, including swing leaf body still include the extension plate of swing leaf body one end end part, be provided with swing leaf drive subassembly on the fixed extension plate, swing leaf drive subassembly includes drive block, crank and bolt, drive block is fixed on the extension plate, and drive block is provided with the drive hole parallel to swing leaf body length direction and the pinhole perpendicular to drive hole, and drive hole is communicated with pinhole, one end of crank is provided with the radial extension lock hole, and the other end of crank is equipped with the axial extension motor connecting hole, and crank inserts drive hole, and lock hole is aligned with pinhole, and the plug -in cooperation is formed to bolt and lock hole and pinhole. The relative position of swing leaf and crank is effectively fixed, and swing leaf and crank connection stability, can not happen other relative motion, effectively strengthened the assembly intensity between swing leaf and crank, makes crank can steady drive swing leaf operation, and the clearance between swing leaf and face frame can not change, ensures the stability of air conditioner swing leaf operation.

The utility model relates to the technical field of parking garage equipment, and discloses intelligent lifting and transverse moving type three-dimensional parking garage equipment which comprises a bottom plate, a plurality of sets of installation columns distributed at equal intervals are fixedly installed on the rear side of the surface of the bottom plate, and two sets of second vehicle-mounted plates are arranged on the surface of the bottom plate. The three sets of first vehicle-mounted plates are arranged above the second vehicle-mounted plate, lifting devices are arranged on the three sets of first vehicle-mounted plates, the second vehicle-mounted plate and the first vehicle-mounted plates can be reasonably distributed and achieve transverse movement, position adjustment of a vehicle between different parking spaces is facilitated, a servo motor drives a lead screw to rotate, and the vehicle-mounted plates are driven by a servo motor to rotate. The first threaded sliding blocks and the second threaded sliding blocks on the lead screw can stably move up and down under guiding of the limiting grooves, the first vehicle-mounted plate is fixedly installed between the two sets of second threaded sliding blocks, and the stability and accurate positioning of the first vehicle-mounted plate in the lifting process can be guaranteed through connection of the fixing plate and the fixing frame; lifting and storing of vehicles are facilitated, and using safety and reliability are improved.

The utility model discloses an electro-deformation driver which comprises an angle frame, the angle frame comprises a C-shaped frame and a connecting frame, the connecting frame is installed on the rear end face of the C-shaped frame, the connecting frame is fixedly connected with the C-shaped frame, parallel plate electric field sets are symmetrically installed on the two sides of the C-shaped frame, and the parallel plate electric field sets are fixedly connected with the C-shaped frame in an inserted mode. The two parallel plate electric field groups are symmetrically mounted on the aircraft through the angle frame, and the flapping wings of the aircraft are arranged between the parallel plate electric field groups; the flapping wings can be driven to flap between the top electric field polar plate and the bottom electric field polar plate in a reciprocating manner through the interaction of the conductive film parts of the flapping wings and the electric field force on the parallel plate electric field group, the flapping deformation of the flapping wings is completely formed by the driving of the electric field force, and a mechanical transmission structure is reduced.

This utility model provides a hinge opening and closing test fixture. The fixture table includes a fixed base, a rotating base, a fixed fixture, and a rotating fixture. Support feet are located at the bottom and rear. The fixed base mounts the fixture table, and the fixed fixture is connected to the fixed base. Hinge fixing pieces are secured with screws through fixing holes. The rotating base is connected to the fixture table via a rotating shaft, and the rotating fixture is connected to the rotating base. A clamping groove holds the hinge rotating piece, and the groove has an elastic clamping layer to prevent loosening. The fixture table contains a switching power supply, a motion controller, a servo motor, and a worm gear reducer to drive the rotating shaft. A counting sensor under the rotating base measures the number of rotations, which is displayed on the front side of the fixture table via a counter. This fixture is securely fixed, provides accurate driving and counting, is efficient and convenient, and is suitable for testing the opening and closing performance of hinges.

The present invention relates to an intelligent unmanned high-speed loading system for container loading, comprising an adaptive platform mechanism, an adaptive plate carrier mechanism, a plate carrier driving mechanism, a platform connection limit mechanism, a carriage sensing mechanism and an electric control system, wherein the adaptive platform mechanism comprises a support platform and two sets of hydraulic support mechanisms, the adaptive plate carrier mechanism comprises a plate carrier body movably mounted on the middle position of the support platform, the plate carrier body is composed of a plurality of plate carrier frames connected side by side, and two adjacent plate carrier frames are swung and connected by corresponding articulation mechanisms, the plate carrier driving mechanism comprises a hydraulic drive motor, and the front end of the adaptive plate carrier mechanism is connected to the hydraulic drive motor by a corresponding transmission mechanism. The present invention can effectively adapt to the height difference between the support platform and the container, and can effectively improve the force uniformity of the adaptive plate carrier mechanism, thereby effectively improving the stability of the equipment operation.

The invention discloses a self-rotating cyclone wool-winding-prevention dust cup, which comprises a dust cup body, the dust cup body comprises an outer shell and an inner shell which are integrally designed, an air inlet is obliquely formed between the outer shell and the inner shell in a penetrating manner, a separation cavity communicated with the air inlet is formed in the inner shell, and the separation cavity is in butt joint with a dust collection cavity at the bottom of the outer shell; the cyclone assembly comprises an inverted-cone-shaped rotary cone net and a cyclone turbine positioned in an inner cavity of the rotary cone net, filter screen holes are formed in the rotary cone net, a first flow guide plate positioned with the rotary cone net is arranged on the outer side of the cyclone turbine, and a rotary shaft extends on the cyclone turbine; the HEPA assembly comprises a connecting seat and an HEPA structure, a connecting pipe is arranged in the middle of the connecting seat, and a rotating shaft is rotationally connected to the central inner pipe; the bottom cover assembly is rotationally connected to the dust cup body. The dust cup can solve the problems that when a cyclone filtering structure in an existing dust cup is used, wool is prone to being wound on the surface, dust is prone to being embedded, follow-up filtering and overflowing quality is affected, and the dust cup and the cyclone filtering structure are difficult to clean.

The invention discloses an indoor and outdoor autonomous switching unmanned intelligent agent with a redundant propulsion system and a method, and belongs to the technical field of unmanned aerial vehicles. The indoor and outdoor autonomous switching unmanned intelligent body with the redundant propulsion system comprises an unmanned intelligent body main body, two propulsion rotors are arranged in each auxiliary propeller shell, and a main rotor is arranged in a flight opening; and a high-precision hydraulic turntable is mounted at one end of the auxiliary propeller shell. The problems that an existing multi-rotor unmanned aerial vehicle is difficult to position in an indoor GPS denial environment and poor in maneuverability in a narrow space are solved, the propelling rotors can provide lift force for maintaining the height by calculating the thrust distribution scheme of the propelling rotors, yawing, pitching and rolling moments are synthesized through differential thrust, the flight control right is taken over, and the maneuverability of the multi-rotor unmanned aerial vehicle is improved. An intelligent unmanned platform which can safely, autonomously and continuously operate at an environment boundary and a system state boundary is created, and the intelligent unmanned platform can autonomously fly in indoor and outdoor complex environments and has a fault-tolerant capability.

The utility model discloses a kind of middle disc rotation driving mechanism of hardware machining machine, it includes gear ring, fixed on middle disc;Driving device, including fixed on upper support frame servo motor, linkage in the shaft rod assembly of servo motor, and gear installed on shaft rod assembly, gear meshing installation is on gear ring;Middle disc has relative upper disc stop state to be processed, in the state to be processed, each chuck seat is respectively corresponding set below each processing tool bit, the utility model uses the cooperation of servo motor+shaft+gear ring, completes the rotation driving of middle disc, drive is very stable, driving precision is high, and the stop and start of middle disc can be accurately controlled by servo motor, the high-speed operation of equipment can be satisfied, structure is stable, service life is long, and practicality is strong.

The utility model discloses a goods anti-falling device for a goods carrying table of a stacking machine, which is used for preventing goods on a rack from falling and comprises a jacking frame arranged in the rack in a sliding mode, and a plurality of buffering protection assemblies are arranged at the bottom of the jacking frame. A lifting driving mechanism is arranged on the rack and used for driving the jacking frame to descend in the rack, so that the multiple buffering protection assemblies abut against goods on the rack. The goods anti-falling device for the goods carrying table of the stacking machine has the advantages of being simple in structure, wide in application range and capable of preventing materials on the top from being blown off.

The utility model relates to the technical field of polishing equipment, in particular to a polishing device for a polishing robot, which comprises a mounting shell, a sealing dismounting plate arranged on the front side of the mounting shell, a partition plate arranged in the mounting shell, a driving mounting cavity arranged on the upper side of the partition plate, an air guide channel arranged on the lower side of the partition plate, and a waste port arranged at the left end of the lower side of the mounting shell. A feeding port is formed in the right end of the lower side of the mounting shell, a waste box is arranged on the lower side of the waste port, a vibration filtering assembly is arranged between the waste box and the waste port, a protective shell is arranged on the lower side of the feeding port, a dust collection and grinding assembly is arranged in the protective shell, and a driving assembly used for driving the dust collection and grinding assembly is arranged in the driving mounting cavity. The grinding wheel in the dust collection grinding assembly can conduct grinding operation on a workpiece, meanwhile, in the grinding process, the impeller rotates along with the grinding wheel, suction force is generated, dust generated by grinding is sucked into the protection shell and enters the waste box through the air guide channel, and dust flying is effectively avoided.

The utility model relates to the technical field of building engineering, disclose a rammer for building engineering ground, including mobile car, the front end fixedly connected with installation support on mobile car upper surface, the front end of installation support is opened with deposit groove, the bottom fixedly connected with servo motor of deposit groove, the output fixedly connected with screw rod of servo motor, the outer wall threaded connection of screw rod has screw mounting frame, the both sides of screw mounting frame inner wall upper end all are provided with rocker. In the utility model, the rammer for building engineering ground uses, and servo motor drives screw rod rotation, can drive screw mounting frame and move along deposit groove up and down, realizes the flexible adjustment of ramming construction height, can according to the ground soil layer loose degree, compaction depth requirement control briquetting height, guarantees the compaction effect, and cooperates the rotation motor and drives the rocker rotation, cooperates the sliding of sliding block, can stably drive briquetting and carry out ramming operation.

The utility model relates to the technical field of lens detection, in particular to an automatic feeding and discharging module which comprises a supporting frame, a fixing base, a sliding assembly, a driving assembly and a clamping assembly, the fixing base is installed on the supporting frame, a feeding rail groove and a transverse sliding rail are arranged on the fixing base, and the sliding assembly is provided with a sliding block, a longitudinal sliding rail and a connecting piece. The sliding block is arranged on the transverse sliding rail in a sliding mode, the longitudinal sliding rail is connected with the sliding block, the connecting rod is arranged at the top end of the longitudinal sliding rail and located in the feeding rail groove, the driving assembly is installed on the fixing base, connected with the connecting rod in a driving mode and used for driving the connecting rod to move in the feeding rail groove, and the clamping assembly is provided with a clamping base and a set of clamping jaw structures. The clamping base is connected with the bottom end of the longitudinal sliding rail, the clamping jaw structures are arranged at the two ends of the clamping base respectively and used for clamping a lens frame to be fed from the two sides, the lens frame feeding and discharging device is simple in structure and reasonable in design, the driving assembly is connected with the clamping assembly through the sliding assembly so that stable feeding and discharging driving can be achieved, and the feeding effect is good.

The present invention discloses a self-detection framework and method suitable for a boundary scan simulation test card. The scheme of the present invention provides a self-detection framework suitable for a boundary scan simulation test card, the framework includes at least one boundary scan controller, and at least one boundary scan simulation test card electrically connected to the boundary scan controller; the clock signal end and the state signal end of the boundary scan controller are respectively and sequentially electrically connected to connectors respectively arranged at two ends of the boundary scan simulation test card; the connectors are also electrically connected with a level control unit for realizing self-detection of the boundary scan simulation test card; and the method corresponding to the self-detection framework can solve the problem that the IO of the boundary scan chip of the DUMMY card with different level standards can stably drive the DUMMY card self-detection logic circuit, so as to realize the self-detection of the boundary scan simulation test card.

This utility model relates to the field of switch operation technology, and discloses a switch transmission structure. The transmission structure includes: a cover located on the back side of the switch, with an operating mechanism disposed on the back side of the switch; and a transmission component rotatably mounted on the cover, comprising a U-plate one and a U-plate two connected to form a frame structure; wherein, the U-plate two has a straight groove, which is connected to the operating mechanism for transmission. This utility model's switch transmission structure, in which the rotating transmission component controls the rotation of the switch's operating handle, drives the switch to open and close, is suitable for switches installed in reverse within cabinets, saving cabinet space, facilitating simple installation, and providing stable switch operation. The switch transmission structure facilitates reliable switch transmission, and during switch control, the transmission process is simple, operation is sensitive and convenient, and the cost is low, making it suitable for use in cabinet-mounted products in this field.

The invention discloses a method and a device for preparing instant iced fresh walnut kernels. The preparation method comprises the following steps: S1, pre-soaking treatment: soaking dry walnut kernels in warm water; s2, washing the soaked walnut kernels by spraying water, and performing pure physical peeling; s3, feeding the peeled walnut kernels into a soaking pool in a soaking machine through a material distributor, and performing rehydration soaking in ice water; s4, after rehydration soaking is finished, ice water in the soaking pool is discharged, and a steam sterilization device in the soaking pool is turned on for steam sterilization; s5, after steam sterilization is finished, the walnut kernels are conveyed into a spraying device of the soaking machine through a conveying belt in the soaking pool to be peeled again through spraying. The processing process of the instant iced fresh walnut kernels is free of chemical addition, low in cost and environmentally friendly, accumulation damage of the walnut kernels is reduced, moisture and taste of the iced fresh walnut kernels are reduced, and the shelf life of the iced fresh walnut kernels can be remarkably prolonged.

The utility model relates to the technical field of stationery, in particular to a flat staple stapler which comprises a base, a nailing structure, a pressing plate, a flat staple structure and a swing part. The nailing structure comprises a nail channel structure and a nail pressing structure hinged to the nail channel structure, the nail channel structure is provided with a nail groove and a nail outlet communicated with the nail groove, the nail pressing structure comprises a nail pressing plate, and the nail pressing plate is used for pressing staples out of the nail outlet; the pressing plate is hinged to the base and used for driving the nail pressing structure to press nails. The flat nail structure is arranged on the base and has an initial form, a paper penetrating form and a flat nail form; the swing part is provided with a connecting end and a swing end, the connecting end is hinged to the nail pressing structure, and the swing end is used for driving the flat nail structure to be switched from the paper penetrating state to the flat nail state; the swing piece further comprises an abutting portion, and the abutting portion is matched with the nail channel structure in an abutting mode. According to the flat staple stapler, the structure of the swinging part is changed, so that the swinging part stably drives the flat staple structure, and the file stapling smoothness is improved.

The utility model discloses a photovoltaic support stand column installation device which is used for connecting a stand column with a ground pile after the stand column is turned over and comprises a connecting base detachably connected with the ground pile and a stand column turning mechanism arranged on the connecting base. The stand column overturning mechanism comprises a fixing support connected with the connecting base, a stand column overturning bracket hinged to the fixing support and used for fixing the stand column, and a driving assembly used for driving the stand column overturning bracket to rotate relative to the fixing support. According to the stand column overturning device, overturning is achieved by operating the driving assembly and pushing the stand column overturning bracket, after the stand column is overturned and erected, the stand column is erected on a ground pile to be fixed, only one worker is needed in the overturning process, labor is saved, and the problem that the stand column overturning and erecting efficiency is low is solved. In addition, large equipment such as a crane is not needed, so that the cost can be saved while the efficiency is improved.

The utility model discloses a bottle blowing machine bottle preform arranging and fixed-distance conveying device which comprises a variable-distance base, a longitudinal sliding seat is longitudinally installed on the variable-distance base in a reciprocating sliding mode, a variable-distance screw extending longitudinally is further rotatably installed on the variable-distance base, a bottle preform clamping device for fixing or loosening a bottle preform is installed on the longitudinal sliding seat, and the variable-distance screw is connected with the longitudinal sliding seat. The bottle preform clamping device is provided with a protruding block clamped into a thread groove of the variable-pitch screw, the variable-pitch screw is driven to rotate through a rotation driving device, and threads of the variable-pitch screw are divided into an initial part with the minimum thread pitch, a transition part with the gradually-increased thread pitch and a fixed-distance part with the maximum thread pitch and the fixed distance. According to the device, the distance between the clamped bottle blanks can be automatically changed through rotation of the variable-pitch screw, it is guaranteed that the distance is accurately controlled, driving is stable, and the conveying efficiency is improved.

The cloth discharging mechanism with the cooling function and the cloth swinging function comprises a transmission roller, the two ends of the transmission roller are rotationally connected with the two sides of two swinging arms through first mounted bearings respectively, the transmission roller is rotationally arranged at the head end of a cloth discharging frame frame, one end of the transmission roller is connected with a speed reducer, and the other end of the speed reducer is connected with the driving end of a motor. The motor is fixed to the side face of the cloth outlet frame through the torque arm, the two swing arms are provided with the smooth cloth swing frame, one swing arm is connected with the transmission roller through the cloth swing transmission mechanism, the tensioning roller is rotationally arranged between the two sides of the cloth outlet frame, the transmission roller and the tensioning roller are connected through the conveying belt, and the air suction channel is formed in the middle of the cloth outlet frame. The air suction channel is connected with the fan, and the welding air suction channel in the middle of the cloth outlet frame is arranged between the transmission roller and the tensioning roller. The cloth placing frame is stable in driving, large in maintenance space, convenient in replacement of parts, simple in operation, small in overall occupied area, spacious and bright, and a unique inclined structure reserves enough space for underground operation.

The utility model provides a child tricycle with good comfort, which belongs to the technical field of child tricycles and comprises a frame, a mounting plate is fixedly mounted at the top of the frame through bolts, and an adjusting mechanism is arranged at the bottom of the mounting plate and comprises a mounting column fixedly mounted at the bottom of the mounting plate. Fixing holes are formed in the two sides of the mounting column and penetrate into an inner cavity of the mounting column. According to the utility model, through the arrangement of the adjusting mechanism, the adjustability of the height of the seat is realized, proper support and comfort can be obtained on the seat regardless of the height of a child, so that the discomfort caused by incorrect sitting posture is avoided, the height of the seat can be easily and simply adjusted through a rocker adjusting mode, and the safety of the child is improved. Meanwhile, the telescopic rod and the supporting column at the bottom of the seat provide extra supporting and stability, and it is guaranteed that the child can keep stable in the driving process.

This utility model discloses a multi-joint motor drive module for a bionic robot, comprising a bionic robot body, five drive units, and a main control chip. The bionic robot body has at least one waist joint and four leg joints, each equipped with a motor. The five drive units are respectively connected to the motors at the waist joint and the four leg joints. Each drive unit has a control signal interface and a power output interface. The main control chip is disposed within the bionic robot body and is used to output multiple control signals to coordinate the movement of the motors at each joint. The control signal interface is electrically connected to the control pins of the main control chip and is used to receive forward rotation, reverse rotation, stop, and braking commands. The power output interface is electrically connected to the motors at the corresponding joints to drive the motors. This utility model aims to achieve flexible joint movement and posture adjustment in bionic robots.

The present invention relates to the field of TDD spray valves, and specifically to a TDD spray valve, comprising a spray head, a spray structure, a supporting structure, a pneumatic structure, a sealing structure, a driving structure and a cleaning structure; a spray head for multi-angle spraying is provided on the spray structure for connecting a reactor and a water pipe, and the spray head and the spray structure are slidably connected, so that it is convenient to control the height of the spray head inside the reactor through the spray structure, so as to achieve a better cleaning effect on the reactor; a cleaning structure for flushing the spray head is provided on the spray structure, and the spray structure is connected to the cleaning structure, so that it is convenient to clean the spray head through the cleaning structure when the spray head is stored, effectively preventing waste from adhering to the spray head, making the connection between the spray head and the spray structure tighter, and at the same time reducing the water pressure between the spray head and the spray structure when the spray head is stored.