46results about How to "Play a smoothing role" patented technology

The invention provides an intelligent type power cable emergency recovery vehicle which is used for improving the working efficiency when recovery work is carried out on a communication cable. Rails are arranged on the left and right sides of a vehicle body respectively; a lateral vehicle plate is mounted between the rails in a sliding manner; a lateral vehicle plate driving mechanism for driving the lateral vehicle plate to move up and down is arranged between the lateral vehicle plate and the vehicle body; a new cable loading and unloading assembly is arranged on the rear side of the vehicle body, and mainly comprises a supporting arm, a supporting plate, a first loading and unloading oil cylinder, a second loading and unloading oil cylinder and a clamping mechanism; the supporting arm is hinged onto the supporting plate; the first loading and unloading oil cylinder is arranged between the supporting plate and the supporting arm; a U-shaped frame is arranged at the top of the supporting arm; a clamping block is hinged to the left end of the U-shaped frame; a clamping mechanism for driving the clamping block to swing is arranged between the clamping block and a clamping arm; a supporting plate fixing mechanism is arranged between a positioning hole of the supporting plate and the vehicle body; a waste cable recycling assembly is arranged on the left side of the vehicle body or/and the right of the vehicle body; and a hoisting assembly is arranged in the middle of the vehicle body. With the adoption of the intelligent type power cable emergency recovery vehicle, the physical labor of workers can be greatly alleviated.

The invention discloses a plant point cloud collection registration and optimization method based on a TOF camera. The plant point cloud collection registration and optimization method comprises the following steps: (1) placing a detected plant on a turntable, adjusting the visual angle of the TOF camera, and enabling the TOF camera to be aligned with the detected plant; (2) starting a rotary table to enable the rotary table to rotate automatically, and collecting point cloud data of a measured plant at intervals by a TOF camera; (3) performing real-time preprocessing on each frame of point cloud data acquired by the TOF camera; (4) performing registration and optimization processing on each two adjacent frames of point cloud data in sequence, and then performing integration to obtain complete plant point cloud data; and (5) eliminating discrete noise in the plant point cloud number obtained by registration and optimization processing by adopting statistical filtering processing to obtain final point cloud data. The plant point cloud collection registration and optimization method provided by the invention can effectively solve the local point cloud layering phenomenon.

The invention discloses an intelligent robot for cement mortar screeding and belongs to the technical field of automated robots. The intelligent robot for cement mortar screeding comprises a supporting part, a control unit, a driving unit, a screeding unit and a signal transmission unit. The signal transmission unit comprises a laser emitter and a laser receiver. The laser receiver is arranged onan installing base. A grinding head moves rotatably through a rotary motor and plays a screeding part on cement mortar. By means of the intelligent robot for cement mortar screeding, the ground flushing error is small, and the flatness level is high; and meanwhile, labor can be effectively reduced, the labor cost is lowered, and working efficiency is improved.

The invention discloses a flexible type road lane marking device for building construction. The device comprises a vehicle body and a box body, a pipe body is arranged on the left side of the bottom of the vehicle body, baffle devices movably sleeve both front and rear sides of the outer side wall of the pipe body, leveling devices are arranged on the left sides of the bottom side walls of the twogroups of the baffle devices arranged at front and back, and piston blocks are movably inserted in both front and rear sides of an inner cavity of the pipe body. The adjustment on the width of the part, where a paint is sprayed out, of the pipe body is achieved by adjusting the spacing between two groups of the piston blocks arranged at front and back, so that the control of the width of a lane is achieved, the baffle devices are driven to move to get close or away from each other by threaded pipes to make it convenient for the adjusting of the spacing between the two groups of the baffle devices according to the actual situation, the diffusing width of the sprayed paint is limited, paint spraying is allowed to be more uniform by a first spraying hole and a second spraying hole which arestaggeredly arranged at front and back, the bottom side wall of a scrapper fits the upper surface of the lane to achieve a leveling effect on the sprayed lane, and therefore the thickness of the laneis more uniform.

The invention belongs to the technical field of DTY oil, and particularly relates to anti-yellowing stable DTY textile oiling agent and a preparation method thereof. The DTY textile oiling agent is prepared from industrial white oil, polyoxyethylene (20) sorbitan monooleate, sorbic acid monostearate, D-phenylalanine, 1-fluoro-6-isopropyl quinoline iodate, an antistatic agent, an anti-splashing agent and a penetrating agent. The anti-yellowing stable DTY textile oiling agent provided by the invention not only has excellent bundling property, smoothness, emulsifying property and antistatic property, but also has very excellent stability, and can keep self-stability for a long time without yellowing.

The invention relates to a plastic film cutting device. The plastic film cutting device comprises a working table, a clamping device and cutting devices, wherein the clamping device is arranged on theworking table; and the cutting devices are equidistantly arranged on the upper end surface of the working table from left to right. According to the plastic film cutting device and a cutting processing method, a plastic film is cut by adopting the design concept of multiple clamping, so that the stability of the entire plastic film is improved, the entire plastic film is in a non-relaxed state, and furthermore, the precision and efficiency of plastic film cutting are improved; and meanwhile, a pre-cutting structure and a cutting structure are combined for cutting the plastic film so as to improve the quality of plastic film cutting.

The power cable repair and maintenance vehicle is used to improve the work efficiency of the communication cable repair operation. The left and right sides of the car body are respectively provided with rails, and the side car boards are slidably installed between the rails, and a side car board driving mechanism is provided between the side car boards and the car body to drive the side car boards to move up and down; behind the car body There is a new cable assembly on the side, which mainly includes a support arm, an upper guide wheel and a lower guide wheel. A new cable rack is provided between the upper parts of the two support arms, and two wheel axles are provided between the lower parts of the two support arms. There is an upper guide wheel on the upper wheel shaft, and a lower guide wheel on the lower wheel shaft. The new cable is pulled out from between the upper and lower guide wheels; there is an old cable recovery on the left side of the car body or the right side of the car body. Assembly, the old cable assembly is used to rewind and recycle the old cable, and a cutting assembly is provided on the rear side of the car body to realize the interception of the cable. The invention can greatly reduce the physical labor of workers.

The invention discloses a power overshoot protection circuit for a digital television power amplifier, which comprises a power detection circuit and an overshoot detection circuit, wherein the time constant of the power detection circuit is controlled by an external discrete device, and the power detection circuit is used for selecting the time constant to ensure that power overshoot of digital television signals of different modes can be detected; and the overshoot detection circuit comprises a see-saw amplifier with a high pass characteristic, a hysteresis comparator, a reference voltage source and a reset circuit. The power overshoot protection circuit has the beneficial effects that the time constant of the power detection circuit is optimally designed, the smooth function is taken on the random fluctuation of the signal amplitude, meanwhile, the characteristic of power overshoot is kept, so that the false operation due to the pseudorandomness of the digital television signal can be avoided, the detection of the power overshoot can be realized; the circuit is simple; the cost is low; and the power overshoot protection circuit can be conveniently suitable for an emitting system power amplifier adopting the China digital television standard.

The invention provides a method and device for predicting a flow trend based on a historical flow and a storage medium, and the method comprises the steps: reading historical flow data information, wherein the historical flow data comprises actual flow data of a plurality of historical unit time periods, and the actual flow data of the plurality of historical unit time periods is correlated; determining effective historical flow data information; and determining predicted flow data of a predicted unit time period, wherein the predicted flow data of the predicted unit time period is associatedwith the actual flow data of the plurality of historical unit time periods. Invalid historical flow data is eliminated, the influence of the invalid historical abnormal flow data on a calculation result is eliminated, a prediction time point is determined, flow data is predicted, and therefore flow prediction accuracy can be improved.

The invention discloses a method and a device for adjusting the code stream sending speed of a streaming media, and relates to the field of streaming media. According to the method and the device disclosed by the invention, on one hand, the reference sending time of data packets to be sent is determined according to the information of a code stream, a frame rate and the like, the actual sending time length of the data packets is determined by combining with the execution time used for sending the data packet, then the data packets to be sent are uniformly distributed in the time of the actual sending time length and sent, and the sending speed of the streaming media can be smoothed, the network congestion can be reduced, and the network packet loss can be reduced in case of guaranteeing the overall uniform sending speed; on the other hand, acceleration processing can also be carried out for the data packets in a controllable range when early-warning conditions are achieved, thus playing a smoothing role and avoiding the serious fluctuations of bandwidths.

The invention discloses a split type production device for a plastic bag. The split type production device for the plastic bag structurally comprises a device body, an overhauling box, a master control panel, a conveying shaft, a discharging roller, a flattening and accurately-fixing device and an object holding plate. The overhauling box is arranged on the surface of the right side of the devicebody and is connected with the device body through hinges. The master control panel is embedded to the upper right portion of the front surface of the device body and electrically connected with the device body. The conveying shaft is arranged behind the upper surface of the device body and is connected with the device body through buckles. The discharging roller is embedded into the front side ofthe inner portion of the device body. The back side of the discharging roller is connected with the conveying shaft. The flattening and accurately-fixing device is arranged above the discharging roller. According to the split type production device for the plastic bag, through the arranged flattening and accurately-fixing device, it can be conveniently ensured that when the plastic bags are slit,a cut of each plastic bag is neat, and the lengths of the plastic bags are identical, and the slitting accuracy of the device is effectively improved; and meanwhile, the flattening function is also achieved on the appearance of the plastic bags, and the diversity of the split type production device for the plastic bag is improved.

The invention provides a tab correcting device, comprising a material placing seat, a first correcting block, a second correcting block and a driving assembly, wherein a material placing groove is formed in the material placing seat; the first correcting block is arranged on one side of the material placing seat; the second correcting block is arranged on the other side of the material placing seat, and the second correcting block and the first correcting block are symmetrically arranged; and the driving assembly is adjacent to the material placing seat, connected with the first correcting block and the second correcting block and used for driving the first correcting block and the second correcting block to get close to each other or get away from each other. The material placing seat isarranged, the first correcting block and the second correcting block are symmetrically arranged on the two sides of the material placing seat, and the driving assembly drives the first correcting block and the second correcting block to move, so tabs at the two ends of a battery cell are smoothened, and bending is avoided; and the first correcting block and the second correcting block are symmetrically arranged, so a roll core can be moved to the center of the material placing seat, which is beneficial for subsequent accurately-positioned material taking and accurately-positioned material placing of the battery cell, prevention of deflection, reduction in a reject and improvement of production benefits.