31results about How to "No jumping" patented technology

The invention relates to an optical fiber acceleration sensor based on an ultrashort cavity optical fiber laser, which is characterized by comprising: an equal strength socle beam which is an isoceles triangle and can convert an end inertia force into an even strain on the surface; an inertial quality block which is fixed on one end of the equal strength socle beam to produce inertia forces; and an optional fiber laser which is fixed on the central axis line above the equal strength socle beam to convert the strain into the change of the lasing wavelength of the laser.

The invention discloses a cane harvester, comprising a frame, a cutter, a transfer mechanism, a servo mechanism, a power hydraulic system and a corresponding control system, characterized in that: a lifting mechanism is set on the front end of the cane harvester. The lifting mechanism comprises a roll shaft, a hydraulic motor, wherein the roll shaft is mounted on the frame by a connection-rod mechanism and the connection-rod mechanism is driven by a hydraulic device mounted on the frame and the top end of the roll shaft is connected with the hydraulic motor by a connection axle device and a triangle wedge block is set on the lower end of the roll shaft and the hydraulic motor is driven by the power hydraulic system. The cane harvester can be used in sloping field, highland, cane lodging and bending occasion, with good cane-lifting effect and stable running and can normally work for 50-100m.

The invention discloses an automatic lock, which comprises a lock case, a spring bolt component, a swing piece and a trigger component, wherein a locking part, which is arranged in a part in the lock case, is arranged on the spring bolt component; a swing shaft is arranged on a position, which is more biased to a lock-out direction than the locking part on a lock-in terminal position, and the swing piece is provided with a butting part; the spring bolt component is provided with a space, which is capable of further moving to the lock-in direction under the thrust of the trigger component, in the lock-in state; rotating partial pressure, which tends to rotate to the lock-out direction, is applied to the swing piece, and lock-out partial pressure, which is capable of pushing the spring bolt component out along the lock-out direction, is applied to the spring bolt component; self-locking pressure is formed between the locking part and the butting part on the lock-in position by the rotating partial pressure and the lock-out partial pressure. The automatic lock solves the technical problem of complicated structure of the automatic lock in the prior art, so that the automatic lock with the simple structure is further provided.

The invention discloses a speed limiter test table for an elevator, which belongs to the technical field of a monitoring device of an elevator component. The speed limiter test table for the elevator comprises a driving unit, a detection unit, a speed limiter fixing device and a rack. A driving wheel and a detection wheel lean against the circumferential edge of a rope wheel of a speed limiter. The driving unit further comprises a driving and adjusting mechanism which comprises a driving elastic thrust structure. The detection unit further comprises a detection adjusting mechanism which comprises a detection elastic thrust structure. The test table adopted for test has the characteristics of high precision and small error. The invention further discloses a speed limiter testing system which comprises an electric part and a mechanical part. The mechanical part uses the speed limiter test table for the elevator. The electric part controls the testing system to realize full process of test, and full-automatic data collection and result analysis. The speed limiter test table for the elevator and the testing system provided by the invention are beneficial to developing of the speed limiter for the elevator and the efficiency of delivery inspection of the speed limiter for the elevator and the accuracy of detection data of products are further greatly improved.

The invention discloses a media data acquisition method, a media terminal and an online music teaching system, wherein the media terminal comprises a video acquisition unit, a transmission unit and a control unit; the video acquisition unit is suitable for acquiring an image and generating a video frame; the transmission unit is suitable for transmitting the video frame to a media server; and the control unit is suitable for judging whether the transmission unit is jammed or not and generating a first acquisition adjustment parameter according to the code rate of the video frame transmitted by the transmission unit when the transmission unit is jammed.

The invention provides a tool connecting structure, and relates to the technical field of machining. The tool connecting structure comprises an ultrasonic tool body, a wireless transmission and receiving device, an ultrasonic transducer and a grinding tool. The ultrasonic transducer comprises an amplitude-change pole and a piezoelectric vibrator. The piezoelectric vibrator is connected with the wireless transmission and receiving device. A connecting protrusion connected with the grinding tool and multiple second locking holes arranged in the peripheral side of the connecting protrusion are arranged on the bottom face of the second end of the amplitude-change pole. The first end of the amplitude-change pole is connected with the second end of the ultrasonic tool body through a connecting part. The grinding tool comprises a tool disc body, a connecting hole used for being connected with the amplitude-change pole is formed in the middle of the grinding tool, and multiple first locking holes corresponding to the positions of the second locking holes are formed in the circumferential direction of the connecting hole. A grinding portion is arranged at one end of the tool disc body. At least one chip removal groove is formed on the grinding portion, and a cutting edge is formed on a groove opening of each chip removal groove. The tool connecting structure has the advantages of beinghigh in machining precision and long in service life.

The invention provides a diamond bur electroplating device with a good electroplating effect and an electroplating process for the diamond bur electroplating device. The diamond bur electroplating device comprises a workbench, an electroplating pool is connected to the top of the workbench in a bolted manner, electroplating tanks are arranged on the periphery of an inner cavity of the electroplating pool, sand attaching frames are embedded in inner cavities of the electroplating tanks, bur bodies are sequentially embedded in the inner cavities of the sand attaching frames from left to right, copper wires are wound on the sides, away from the sand attaching frames, of the bur bodies, and anode titanium baskets are hung on the periphery of the inner cavity of the electroplating pool. According to the diamond bur electroplating device with the good electroplating effect and the electroplating process for the diamond bur electroplating device, by means of cooperation of an alarm, a temperature control probe, a heater and a titanium heating pipe, an electrolyte in the electroplating pool can be uniformly heated, the electrolyte in each area in the electroplating pool is uniformly heated, and uniform electroplating operations are performed on the bur bodies; and by means of the cooperation of a circulating pump, a circulating pipe and a return pipe, the electrolyte in the electroplating pool can circularly flow, the contact area between the electrolyte and the titanium heating pipe is enlarged, and the contact uniformity of the electrolyte and the titanium heating pipe is improved.

Provided is a frame synchronizer free of any loss of additional information added to frame data of an input video signal. An embodiment of the invention relates to a frame synchronizer for receiving a video signal having a first synchronization signal and frame data on a frame basis, writing the frame data to a memory on the frame basis in accordance with the first synchronization signal, and reading the frame data from the memory on the frame basis in accordance with a second synchronization signal of a frequency different from a frequency of the first synchronization signal to output the frame data, including: a synchronization signal generator generating the second synchronization signal having the frequency higher than a preset standard frequency. With such a configuration, it is possible to prevent the loss of the additional information added to the frame data in the input video data.

The invention discloses a novel method for asynchronous pipeline topographic drawing and belongs to the technical field of digital topographic drawing. Drawing pipelines of the method sequentially comprise three steps of data preparation, CPU operation and GPU operation, wherein the method comprises three parallel drawing pipelines at the same time; and the three pipelines perform different steps at the same time. The data preparation step comprises requiring data of a local disk or network, receiving data and organizing data. The CUP operation step comprises building a tree and performing geometrically gridding operation. The method can be used for topographic drawing and has the advantages of quickness, delay elimination, smooth frame rate, controllability and the like.

The invention discloses a crown block slide wire collector. The crown block slide wire collector comprises a crown block end mounting frame, a swing arm mechanism, a tension spring, a supporting arm mechanism, an anti-disengaging spring and an electricity collecting device. According to the collector, the electricity collecting device is arranged, two corners of the upper end of a sliding piece are arranged in an arc shape, so that the roundness of the sliding piece is increased, jumping of the sliding piece cannot occur when the sliding piece runs to a slide wire joint, the slide wire is effectively prevented from being fired, a guiding column is composed of a round head screw and a plastic pipe, the round head screw penetrates through the plastic pipe to be fixed on an outer shell, the guiding effect can be achieved on the sliding piece, even if the sliding piece is excessively worn, the electricity collecting device cannot fall off from the slide wire, and normal operation of the slide wire collector is effectively guaranteed. According to the collector, by arranging the supporting arm mechanism, a cylinder provides free moving space for the electricity collecting device, a pullplug can be flexibly slide in the slide wire to correct the skewness of the electricity collecting device through the anti-disengaging spring, so that the situation that the front and rear corners ofthe sliding piece are not abraded consistently, and the sliding piece is caused to be fired in the slide wire is avoided.

The invention discloses a new and old bridge splicing seam structure system and a construction method, and belongs to the technical field of bridge structure design and construction. The structural system is mainly composed of bridge decks of new and old bridges, splicing seam members, an asphalt concrete surface layer and a reinforced concrete pavement layer. Arch-shaped porous steel plates are prefabricated, the middle portions of the arch-shaped porous steel plates are pre-buried in the rectangular polyurea elastomer, the porous steel plates on the two sides are exposed, and prefabricated splicing seam components are obtained; and porous steel plates on the two sides of the prefabricated splicing seam component are welded to extending steel bars of bridge decks of new and old bridges, micro-expansion steel fiber rapid hardening sulphoaluminate cement concrete is poured at the welding positions, and finally bridge deck asphalt concrete is paved to be flush with the bridge decks of the new and old bridges and the upper surface of the splicing seam component. The system is simple in construction, not only can ensure better connection between the new and old bridge deck slabs and the splicing seam component, but also can adapt to settlement difference of the new and old bridges and deformation height difference under uneven load, so that the bridges are durable and good in waterproofness.

The invention discloses a limiting device for laser ring cutting of a battery cell. The limiting device is characterized in the limiting device comprises a bracket, a rotating disc and a material pressing mechanism; the rotating disc is rotatably mounted on the bracket; the rotating disc is driven to rotate by a first driving motor and a belt; four material receiving mechanisms are uniformly distributed at the outer edge of the top surface of the rotating disc; the material pressing mechanism is arranged above the rotating disc and arranged directly above one material receiving mechanism; thematerial pressing mechanism comprises a lifting cylinder, a sliding plate, a pressing belt and a second driving motor; the sliding plate is slidably arranged on the bracket; an output shaft at the bottom of the lifting cylinder is connected with the top of the sliding plate; a first driving wheel, a second driving wheel and a third driving wheel are arranged above the front side of the sliding plate; the pressing belt is wound on the first driving wheel, the second driving wheel and the third driving wheel; and the first driving wheel is connected with an output shaft of the second driving motor. The cutting efficiency and quality of products is improved.

The invention discloses a high-speed sorting roller structure. The high-speed sorting roller structure comprises a center shaft, a chain and a roller, wherein the chain is fixedly connected to the center shaft, the roller is rotationally arranged at the two ends of the center shaft in a sleeved mode, a sleeve is fixedly connected to one side, close to the chain, of the roller, the sleeve is rotationally connected with the center shaft, a gear is fixedly connected to the outer side wall of one end, far away from the roller, of the sleeve, the gear is movably connected with a rack, and the rackis fixedly arranged below the gear. According to the high-speed sorting roller structure, through the sleeve arranged at the tail end of the roller and the gear fixedly connected with the sleeve, thechain can drive the roller to perform linear motion, and meanwhile, the gear can be meshed with the rack which is fixedly arranged below the gear so as to generate friction to drive the roller to rotate.

The invention discloses a solar supplementary power supply system based on a primary battery and a composite capacitor. The solar supplementary power supply system comprises a solar energy collectioncircuit, a charging and discharging module and a primary battery module, wherein the charging and discharging module is connected with the primary battery module in parallel and used for supplying power to a load; the solar energy collection circuit is used for collecting electric energy; and the solar energy collection circuit supplies power to the charging and discharging module and is used forcharging the charging and discharging module. The problems that the primary battery is poor in endurance, short in service life and unstable in power supply are solved.

The invention relates to an isolation device of a platform compensator for a sliding plug door. The isolation device comprises a lock cylinder, an isolation sheet, an isolation stopping block, a connection rod and an isolation spring bolt assembly. An elastic piece drives a connection plate and a spring bolt to reset in a rotating mode. The isolation sheet is installed on the lock cylinder and fixed relative to the lock cylinder. The isolation sheet and the connection plate are connected through the connection rod. When the isolation device is in the initial state, the isolation sheet rotates clockwise to cross the dead motion spot between the isolation sheet and the connection rod; and when the isolation device is in the isolated state, the lock cylinder drives the isolation sheet to move anticlockwise to an upper limiting portion to make contact with the isolation stopping block, and the spring bolt is in a locked state. The isolation device has the beneficial effects that when the isolation device is in the initial state, as the isolation sheet rotates clockwise to cross the dead motion spot between the isolation sheet and the connection rod, the whole isolation device bears a downward pre-tightening force under the joint action of a lower limiting portion of the isolation sheet and the elastic piece, the effect that components of the isolation device are free of bounce and disengagement when a vehicle body is in a vibrating state is ensured, and reliability is improved.

The invention discloses a drill head structure for a knapping machine. The drill head structure for the knapping machine comprises a main drill head, a sleeve surrounding the main drill head and a power mechanism which drives the main drill head. The free end of the main drill head is provided with a positioning drill head. The diameter of the positioning drill head is smaller than the diameter of the main drill head. The free end of the positioning drill head is in a cone shape. According to the technical scheme, a groove which serves as a work station can be obtained on the surface of stone in advance, the main drill head can work on the work station, the working efficiency is improved, and the operating labor hours are greatly decreased.

The invention relates to an inflation-free hollow wheel and an assembly method thereof. The wheel comprises a wheel rim and a tyre sleeving the outer side of the wheel rim, wherein an annular space formed between the inner side of the tyre and the outer side of the wheel rim is internally provided with a plurality of frameworks for supporting the tyre; the frameworks are pressed inside the tyre; two ends of each framework are respectively restricted inside the convex edge of the wheel rim and the check ring of the wheel rim. The inflation-free hollow wheel has a favorable shock-absorption buffer effect, is capable of effectively solving the problems of tyre burst and frequent inflation of the wheel, and enhancing the comfort, safety and convenience in running of a vehicle with the wheel and taking-off and landing of an airplane.

The invention relates to the technical field of furniture production equipment and discloses wooden furniture production equipment. The wooden furniture production equipment comprises a device base, the upper end surface of the rear portion of the device base is provided with a bearing plate, the surface of one side of the device base is provided with connection plates, the middle surface of the bearing plate is provided with a sliding rail, the upper end of the other side of the device base is provided with a device main body, the lower end of the front surface of the device main body is internally provided with sliding rail wheels, the upper end of the front surface of the device main body is provided with a display screen, the side, close to the lower portion of the display screen, of the front surface of the device main body is provided with a power source switch, and one side of the power source switch is provided with adjustment press keys. By means of the wooden furniture production equipment, the device stability in working can be improved, processed wood plates can be conveniently and efficiently placed, the workload of staff is saved, the device flexibility degree in working can be improved, and better use prospects are brought.

The invention relates to an inflation-free hollow wheel and an assembly method thereof. The wheel comprises a wheel rim and a tyre sleeving the outer side of the wheel rim, wherein an annular space formed between the inner side of the tyre and the outer side of the wheel rim is internally provided with a plurality of frameworks for supporting the tyre; the frameworks are pressed inside the tyre; two ends of each framework are respectively restricted inside the convex edge of the wheel rim and the check ring of the wheel rim. The inflation-free hollow wheel has a favorable shock-absorption buffer effect, is capable of effectively solving the problems of tyre burst and frequent inflation of the wheel, and enhancing the comfort, safety and convenience in running of a vehicle with the wheel and taking-off and landing of an airplane.

Disclosed are a hydraulic variable-flow device with two parallel pumps and a rubber mixing mill roller driving system. The hydraulic variable-flow device with the two parallel pumps comprises a first hydraulic pump, a second hydraulic pump, a first one-way valve, a proportional flow control valve, a second one-way valve, a control valve, an actuating mechanism, loading equipment, a pressure control valve, a pressure sensor, a speed sensor, a controller, a variable-frequency governor of a first hydraulic pump driving motor and a control mechanism of a second hydraulic pump driving motor, wherein a pressure oil port of the control valve is connected with oil outlets of the first one-way valve and the second one-way valve, the actuating mechanism is connected with a working oil port of the control valve, the loading equipment is connected with the actuating mechanism, the pressure control valve is connected with an oil inlet pipeline of the pressure oil port of the control valve, the pressure sensor is used for detecting pressure of the oil inlet pipeline of the pressure oil port of the control valve, the speed sensor is used for detecting movement of the loading equipment, pressure signals detected by the pressure sensor and speed signals detected by the speed sensor are inputted to the controller, and the output end of the controller is electrically connected with the variable-frequency governor of the first hydraulic pump driving motor, the proportional flow control valve and the control mechanism of the second hydraulic pump driving motor.

The invention discloses a media data acquisition method, a media terminal and an online music teaching system, wherein the media terminal comprises a video acquisition unit, a transmission unit and a control unit; the video acquisition unit is suitable for acquiring an image and generating a video frame; the transmission unit is suitable for transmitting the video frame to a media server; and the control unit is suitable for judging whether the transmission unit is jammed or not and generating a first acquisition adjustment parameter according to the code rate of the video frame transmitted by the transmission unit when the transmission unit is jammed.

The invention discloses a flat suction machining method for a circular PIN part. The flat suction machining method comprises the steps of selecting a suction magnetic table and placing the suction magnetic table on a magnetic table of a machine tool; fixing an ejector block and a first stop block on a suction magnetic table according to the machining length of the to-be-machined end of the circular PIN part; placing the to-be-machined end of the circular PIN part on the suction magnetic table, and making the top surface of the circular PIN part in contact with the block; placing a second stopblock on the opposite side of the first stop block, and making the first stop block and the second stop block clamp the length direction of the circular PIN part; placing a metal press block for pressing the circular PIN part on the first stop block and the second stop block; assembling a handle for rotating the circular PIN part at the unmachined end part of the circular PIN part, and then trimming a grinding wheel; and switching on the suction magnetic table, the magnetic table of the machine tool and a main shaft of the machine tool, and then rotating the circular PIN part to make contact with and be ground by the moving grinding wheel by using the handle until the to-be-machined end meets the design requirement of a drawing.

The invention provides an AC-DC control chip, and also provides an AC-DC flyback controller comprising the chip. The AC-DC control chip provided by the embodiment of the invention comprises a reset / set (RS) trigger, and a turn-on signal module, a turn-off signal module, an overload protection module and a driving module which are electrically connected with the RS trigger respectively, wherein theoutput end of the turn-on signal module is connected with an S-end pin of the RS trigger, the output end of the turn-off signal module is connected with an R-end pin of the RS trigger, and the inputend of the driving module is connected with a Q-end pin of the RS trigger; and the turn-on signal module is used for adjusting the control of the feedback voltage FB on the output frequency of the starting signal module according to the continuous change of the voltage value of the output voltage so as to realize the continuous smooth change of the output frequency.

The invention provides a machine tool which comprises a base, a worktable support and a worktable. The worktable support is connected with the base and is movably arranged relative to the base. The worktable is detachably arranged on the worktable support so that different types of worktables can be replaced. A first limiting groove is formed in the worktable support, a first limiting part is arranged on the worktable, the first limiting part is matched with the first limiting groove, and the first limiting part is clamped in the first limiting groove. By means of the machine tool, the problemthat a worktable of a machine tool in the prior art is not convenient to replace is solved.

The invention relates to an isolation device of a platform compensator for a sliding plug door. The isolation device comprises a lock cylinder, an isolation sheet, an isolation stopping block, a connection rod and an isolation spring bolt assembly. An elastic piece drives a connection plate and a spring bolt to reset in a rotating mode. The isolation sheet is installed on the lock cylinder and fixed relative to the lock cylinder. The isolation sheet and the connection plate are connected through the connection rod. When the isolation device is in the initial state, the isolation sheet rotates clockwise to cross the dead motion spot between the isolation sheet and the connection rod; and when the isolation device is in the isolated state, the lock cylinder drives the isolation sheet to move anticlockwise to an upper limiting portion to make contact with the isolation stopping block, and the spring bolt is in a locked state. The isolation device has the beneficial effects that when the isolation device is in the initial state, as the isolation sheet rotates clockwise to cross the dead motion spot between the isolation sheet and the connection rod, the whole isolation device bears a downward pre-tightening force under the joint action of a lower limiting portion of the isolation sheet and the elastic piece, the effect that components of the isolation device are free of bounce and disengagement when a vehicle body is in a vibrating state is ensured, and reliability is improved.

The invention discloses a novel method for asynchronous pipeline topographic drawing and belongs to the technical field of digital topographic drawing. Drawing pipelines of the method sequentially comprise three steps of data preparation, CPU operation and GPU operation, wherein the method comprises three parallel drawing pipelines at the same time; and the three pipelines perform different stepsat the same time. The data preparation step comprises requiring data of a local disk or network, receiving data and organizing data. The CUP operation step comprises building a tree and performing geometrically gridding operation. The method can be used for topographic drawing and has the advantages of quickness, delay elimination, smooth frame rate, controllability and the like.

The invention discloses a broadband stable high-gain antenna based on a magnetoelectric dipole. The antenna comprises a reflection device, an inverted L-shaped feed structure, a through hole, vertical magnetic dipoles, horizontal electric dipoles and fixing plates. The inverted-L-shaped feed structure and the two fixing plates are arranged on the reflection device, the inverted-L-shaped feed structure is arranged on the upper surface of the reflection device, and the two fixing plates are arranged at the two sides of the inverted-L-shaped feed structure; the horizontal electric dipoles are arranged on the two fixing plates respectively; the two vertical magnetic dipoles are arranged at the sides, close to the inverted-L-shaped feed structure, of the two fixing plates respectively; the through hole is formed in the reflection device and is communicated with the bottom of the inverted L-shaped feed structure; an external SMA connector is connected to the inverted-L-shaped feed structure through the through hole, and the inverted-L-shaped feed structure transmits energy to the vertical magnetic dipoles and the horizontal electric dipoles through coupling feed, so that space radiation is carried out. The broadband stable high-gain antenna provided by the invention is high in radiation efficiency and high in energy utilization rate.

The invention discloses a two-dimensional precise anti-backlash adjusting mechanism for a photoelectric autocollimator. The two-dimensional precise anti-backlash adjusting mechanism comprises an upper-layer plate, a lower-layer plate, a rotating shaft, a top column, an orientation assembly, a pitching assembly and an anti-backlash assembly, two support pillars are fixed on the upper surface of the lower layer plate; the upper-layer plate is placed on the lower-layer plate and is supported on the support pillars; the rotating shaft is a stepped shaft, the small-diameter section of the rotating shaft is mounted in the lower-layer plate, and the large-diameter section of the rotating shaft is mounted in a mounting hole formed in the upper-layer plate; the rotating shaft is located between the two jacking columns. The orientation assembly, the pitching assembly and the gap eliminating assembly are all installed between the upper layer plate and the lower layer plate. The orientation assembly is used for driving the upper-layer plate to perform orientation rotation relative to the lower-layer plate by taking the rotating shaft as a rotating shaft; the pitching assembly is used for driving the upper-layer plate to conduct pitching rotation relative to the lower-layer plate with the upper end of the top column as a rotation supporting point. The gap eliminating assembly is used for eliminating gaps between parts in the adjusting mechanism. The device is simple in structure and reliable in adjustment, and can overcome the problem that the measurement data of the photoelectric auto-collimator is suddenly changed and moved out of the measurement range.