8results about How to "Avoid skipping" patented technology

The utility model relates to a cigarette material conveying system and a tobacco production system, and the cigarette material conveying system comprises a conveying component (1); the first-stage height detection component (2) and the second-stage height detection component (5) are arranged above the conveying component (1) and used for detecting the height of the materials, and the second-stage height detection component (5) and the first-stage height detection component (2) are arranged in a spaced mode in the conveying direction (X) and located on the downstream of the first-stage height detection component (2); the first-stage thinning assembly (4) is located between the first-stage height detection component (2) and the second-stage height detection component (5) in the conveying direction (X) and used for thinning the materials which are detected by the first-stage height detection component (2) and exceed the first preset height; and the second-stage thinning assembly (6) is positioned at the downstream of the second-stage height detection component (5) along the conveying direction (X) and is used for thinning the material which is detected by the second-stage height detection component (5) and exceeds the second preset height.

The utility model relates to a bicycle rear speed change lifting lug which comprises a body made of titanium alloy, a barrel shaft rod positioning hole and a lifting lug fixing hole are formed in the top of the side face of the body, a rear chain changer fixing hole is formed in the bottom of the side face of the body, and the middle of the body is of a hollow structure. The rear speed change lifting lug of the bicycle is made of titanium alloy materials, has better rigidity in fierce use by optimizing a stress structure, and prevents gear skipping; when the chain encounters extreme tension, the tail hook can still keep the original position so as to prevent a transmission guide plate from twisting or deviating due to excessive tension of the chain, interference between the transmission guide plate and a driving side spoke is avoided, and hidden dangers are completely eradicated.

The utility model discloses a material jumping prevention mechanism of a color sorter, which comprises baffles fixedly connected to two ends of one side of the top of a base, baffles are also fixedly connected to two ends of the top of a partition plate, a movable plate is rotatably connected between every two opposite baffles, two fixed seats are fixedly connected to the tops of one sides of the two movable plates, and the fixed seats are fixedly connected to the top of the base. The movable plates higher than the surfaces of the two material boxes are arranged on one sides of the tops of the two material boxes respectively, so that in the screening process, the movable plates are arranged on the two sides of the tops of the two material boxes respectively, the movable plates are arranged on the two sides of the tops of the two material boxes respectively, and the movable plates are arranged on the two sides of the tops of the two material boxes respectively. The two movable plates can be adjusted to be in an inclined state by driving the belt wheels through the motor, so that when materials fall on the partition plate between the two material boxes, the materials can fall into the material boxes where the materials are located along the inclined faces, the phenomenon of material jumping is prevented, and the working efficiency in the material screening process is improved.

The invention discloses a magnetically controlled switch-based power distribution network post-grading acceleration protection method and system, and the method comprises the steps: carrying out the overcurrent protection of a magnetically controlled outgoing line switch, and carrying out the voltage detection reclosure, which serve as the first-stage outgoing line protection; the magnetic control first section switch and the magnetic control second section switch are provided with delay protection and latch-up protection which are used as second-stage branch head end protection; the magnetic control interconnection switch is configured to detect short-time power-on time opening and reverse locking and start transfer timing, and serves as third-level demarcation protection; if the distribution network overhead line has a short-circuit fault, stage differences are set among three-stage protection, and the three-stage protection magnetically controlled switches act in a matched manner, so that fault isolation is accelerated to be completed. Through three-level protection of outgoing line protection, branch head end protection and demarcation protection, a 0.2 s level difference is set, reliable cooperation of switches of the whole line can be realized by using the difference of protection time delay, branch line and user faults can be removed nearby, and the problem of simultaneous tripping or override tripping is avoided.

The application discloses a method for preventing grade jumping trip of multi-point fault of multi-power distribution network, after detecting the fault, real-time calculation and record of the fault power direction, when the fault occurs in the positive direction of protection, sending the blocking signal to the bus side, when the fault occurs in the reverse direction of protection, sending the blocking signal to the tie side, when the detected fault power direction element only has a single direction, keeping the blocking signal output unchanged, when the positive direction of the fault power element and the reverse direction of the fault power element are detected at the same time, according to the power element direction and the received signal, adjusting the blocking signal output, not receiving the blocking signal, blocking release or receiving the blocking signal but exceeding the total timeout, the protection action outlet. The scheme is simple in configuration and clear in structure, through the fault power direction element judgment and the protection blocking signal, the relay blocking signal and the release blocking signal interaction, the selectivity of the protection action is ensured, the fast positioning and reliable isolation function of the multi-point fault of the multi-power distribution network are realized.

The invention discloses a power taking device for improving the online rate of a power distribution automation terminal and a using method, the power taking device comprises two half box bodies which can be opened and closed, the middle positions of the sides, close to each other, of the half box bodies are each provided with a half wire groove, and when the half box bodies are closed to form a complete box body, the half wire grooves form a complete wire groove; a lead is concentrically and coaxially embedded in the lead groove; a CT power taking module, a solar power generation module, a control module and a battery module are arranged in the complete box body, the CT power taking module and the solar power generation module are connected in parallel, the control module is electrically connected with the battery module, and the battery module comprises a main battery and a standby battery which are connected with the control module in parallel. And meanwhile, the output power is ensured through the standby batteries connected in parallel, and insufficient output power caused by damage of the batteries of the power distribution automation terminal is avoided.

A conductive jig for preventing material from jumping includes a fixed bottom plate and a conductive wheel. The fixed bottom plate also includes a guide wheel arranged in parallel with the conductive wheel and an anti-jumping assembly for pressing a strip of material. A gap for the strip of material to pass through is formed between the guide wheel and the conductive wheel. The anti-jumping assembly and the guide wheel are arranged on both sides of the strip of material relative to each other. The anti-jumping assembly includes a rotating shaft and an adjusting plate rotatably arranged on the rotating shaft. A material pressing block is arranged on the side of the adjusting plate away from the rotating shaft, and an elastic member is arranged on the other side. The anti-jumping assembly can make the strip of material have a movement tendency toward the side of the guide wheel, so that the strip of material can be located in the gap between the guide wheel and the conductive wheel, and the strip of material is prevented from jumping along the axis of the conductive wheel. The guide wheel and the anti-jumping assembly ensure that the strip of material is fully in contact with the conductive guide wheel, and the strip of material is prevented from deviating from the horizontal working position and poor contact, thereby ensuring that the surface of the strip of material can be evenly deposited.

The utility model provides a three-gear shifting mechanism which comprises a shifting rod used for driving a shifting fork shaft to move in the axial direction of the shifting rod, a shifting piece arranged on the shifting rod and a shifting assembly, and the shifting assembly comprises a shifting block arranged on the shifting rod and provided with a plurality of gear grooves; and the limiting piece is arranged on one side of the gear shifting block, one end of the limiting piece is elastically pressed in a gear groove, so that rotation of the gear shifting rod is limited through the limiting piece, and axial movement of the shifting fork shaft is limited. According to the three-gear gear shifting mechanism, the gear shifting block and the limiting piece are arranged on the gear shifting rod, and one end of the gear shifting rod is elastically pressed in the gear groove of the gear shifting block under the action of the limiting piece, so that the shifting fork shaft is driven to play an effective locking role on the shifting fork by limiting rotation of the gear shifting rod; and the phenomena of gear skipping and gear disorder in the gear shifting process are prevented, and meanwhile, normal gear shifting operation is not influenced, so that the electric vehicle is more convenient, labor-saving and rapid, and the running stability of the electric vehicle is improved.