41results about How to "Reduce corners" patented technology

The invention discloses a lithium battery and a manufacturing method thereof, which belong to the field of batteries. The lithium battery comprises a positive pole, a negative pole and a diaphragm arranged between the positive pole and the negative pole. The manufacturing method comprises the following steps: making active matters into a mixed paste; preserving blank positions on the front and back sides of an edge in the lengthwise direction of a positive pole piece, coating the paste on other parts of the positive pole piece completely, preserving blank positions on the front and back sides of an edge in the lengthwise direction of a negative pole piece, and coating the paste on other parts of the negative pole piece completely; covering the pasted positions of the negative pole piece with the diaphragm, placing the positive pole piece, and staggering the blank positions of the positive pole piece and the blank positions of the negative pole piece at two ends respectively to arrange the positive pole with blanks at one end and the negative pole with blanks at the other end; welding the blanks of the positive pole with a positive pole tab and the blanks of the negative pole with a negative pole tab; and placing a battery cell welded with the pole tabs in a packaging shell, packaging the shell, drying the shell under vacuum, filling liquid, sealing the shell, and obtaining the battery after formation, capacity grading and examination. The lithium battery and the method have the advantages of reducing the distance from the pole pieces to pole terminals, internal resistance and heat generated during charge and improving safety, reducing pressure drop caused by internal resistance and discharge platform.

The embodiment of the invention provides an optimizing design method of a nanometer technical metal layer map. The method comprises the steps as follows: physically designing a standard unit metal layer map, and then adjusting the arrangement and direction of metal lines of the metal layer map; optimizing the width and spacing of the metal lines at the input end of the metal layer map; optimizing the width and spacing of the metal lines at the output end of the metal layer map; and optimizing the width and spacing of the metal lines at the boundary of the metal layer map, so as to meet the preset width and the preset spacing of the metal lines. With the adoption of the optimizing method provided by the embodiment of the invention, the turning in the metal layer map is reduced, and the metal layer map can be uniform in density distribution; the optics proximity correction and modification area required by the metal layer map can be optimized, the data volume in the optics proximity correction and modification and the modification time can be reduced, the manufacturability of a chip is improved, and the manufacturing cost of the chip is saved.

The invention discloses an inflatable type outer windscreen of a motor train unit. The inflatable type outer windscreen of the motor train unit is characterized in that the periphery of the end face of a front car (1) is fixedly connected with an inflatable integral-ring-shaped rubber air bag (3), the periphery of the end face of a rear car (2) is also fixedly connected with an inflatable integral-ring-shaped rubber air bag (3), and the opposite surfaces of the two inflatable rubber air bags (3) are tightly attached to each other. The inflatable type outer windscreen of the motor train unit has good air tightness, heat-shielding performance, sound insulation performance and rainproof performance, small aerodynamic resistance and good curve passage capacity, and can provide a safer and more comfortable walking-through environment for passengers, and provide more effective protection for car flexible connection devices.

The invention relates to a harvester, in particular to a threshing device of a harvester. According to the technical scheme, the threshing device of the harvester comprises an underframe, a threshing frame, a main threshing mechanism, a rethreshing mechanism, a separation, cleaning and vibration screen and an impurity lifting screw, wherein the threshing frame is fixed on the underframe, both the main threshing mechanism and the rethreshing mechanism are connected to the threshing frame and disposed along the travelling direction of the harvester, the separation, cleaning and vibration screen is fixedly connected to the threshing frame and positioned between the underframe and the main threshing and rethreshing mechanisms, and the impurity lifting screw is disposed between the position below the rear end of the separation, cleaning and vibration screen and the rethreshing mechanism. The main threshing mechanism comprises a main threshing roller, a large concave screen and a main roller cover, wherein the main threshing roller is hinged to the threshing frame, the large concave screen is fixed to the threshing frame and encloses the main threshing roller, and the main roller cover covers an opening of the large concave screen. The main threshing roller is slantingly disposed along the advancing direction of the harvester. A corner between the main threshing roller and a conveying chute of the threshing device compared with the prior art is reduced, so that conveying of crops is smooth, and the shortages of the prior art are made up.

A chemical mechanical polishing pad and method for chemical-mechanical polishing is provided, wherein the polishing pad has a plurality of first mesas and one or more second mesas defined on a surface thereof. The plurality of first mesas are generally distributed about the surface of the polishing pad, wherein each of the plurality of first mesas has a first surface area associated therewith. The one or more second mesas are associated with a center region of the polishing pad, wherein each of the one or more second mesas has a second surface area associated therewith. The second surface area is at least twice the first surface area.

The invention provides an etching mask group and a substrate etching method applying the same. The etching mask group comprises a first mask layer made of a photoresist material, and a second mask layer made of a material capable of improving an etching selectivity ratio relative to a substrate, wherein the first mask layer is arranged on the surface of the substrate, the second mask layer is arranged on the first mask layer; and the widths of the bottom portions of respective patterns of first mask layer and the second mask layer are arranged in such a way that the inclination angle of a preset connecting line between the first mask layer and the second mask layer is consistent with a fixed inclination angle of the first mask layer. The etching mask group provided by the invention can realize the purpose of improving the pattern morphology of the substrate.

The invention provides an array substrate, which comprises a plurality of sub-pixels and a first metal layer, wherein the plurality of sub-pixels are in array arrangement, and each sub-pixel is divided into a main area and a secondary area; in the main area, the first metal layer is provided with first longitudinal lines and a first lateral line; each longitudinal-row sub-pixel corresponds to at least one first longitudinal line; the first lateral line is arranged on one side, which faces the secondary area, of the main area, and all first longitudinal lines are vertically connected to the first lateral line; in the secondary area, the first metal layer is provided with second longitudinal lines and a second lateral line, wherein each longitudinal-row sub-pixel corresponds to one second longitudinal line; the second lateral line is arranged on one side, which faces the main area, of the secondary area; and all second longitudinal lines are vertically connected to the second lateral line. The array substrate aims to reduce intersections and corners in a pixel area through the reduction of the lateral line of a first common electrode, and the problems of light leakage, poor contrastratio and the like of the pixel under a dark state can be effectively eliminated.

The invention provides a preparation method of a high energy-saving type modified environment-friendly phenolic fireproof insulation board. The method comprises the following steps of: mixing and evenly stirring leftover and waste materials of the phenolic resin fireproof insulation board, waste rubber powder, expandable phenolic resin, modifying agents, a surface active agent and a foaming agent; then, adding a composite curing agent into the mixture, stirring the mixture and the agent, and pouring the obtained mixture into a mould to obtain the phenolic resin fireproof insulation board. By adopting the double modifying agents, the method can alleviate environment pollution caused by the waste rubber and the leftover and waste materials of the phenolic resin fireproof insulation board, reduce energy consumed by the preparation of the phenolic resin fireproof insulation board, improve the strength and the toughness of the phenolic insulation board, reduce the brittleness of the phenolic insulation board and lower the industrial cost, is beneficial to improving economic benefits, and meets the construction demand of a building outer wall (specifically an outer wall insulation system).

The present invention relates to a cyclotron including two internal ion sources for the production of the same particles. The second ion source can be used as a spare ion source which strongly increases the uptime and the reliability of the cyclotron and reduces the maintenance interventions. Advantageously, the cyclotron is further characterized by an optimized close geometry of the different elements within the central region of the cyclotron. The cyclotron of the invention may be further characterized by an adaptation and optimization of the shape of first and second internal ion source to avoid particle losses during the first turn of acceleration. The cyclotron may be further characterized by an adaptation and optimization of the shape of the counter-Dee electrode assembly and possibly the Dee-electrode assembly in order to improve the acceleration field in-between the gaps.

The invention discloses a support structure for a DIG (Display In Gauge) automobile instrument rotational dial. The support structure comprises an instrument seat and a dial; the dial is circular; a gap is arranged between the dial surface and the instrument seat; at least three pulleys are arranged on the instrument seat; and the pulleys are uniformly distributed along the circumferential direction and tangential to the excircle of the dial. Teeth are continuously arranged on the outer circumference of the dial. Pulley support frames with the same number as the pulleys are fixedly arranged on the instrument seat, and the pulleys are respectively arranged in one pulley support frame through pulley shafts. At least one pulley shaft is connected with the pulley support frame, on which the pulley shaft is, through an elastic floating mechanism. The pulleys are in point contact with the excircle of the dial, so that the frictional resistance is less, therefore the load driven by a motor can be reduced, and the reliability of a motion mechanism is increased; the elastic floating mechanism offsets at least one pulley to the circle centre direction of the dial, so that the stable rotation of the dial can be supported, therefore the gap and jitter between the dial and each pulley in the rotation process are eliminated. A pointer is fixed, and a display screen is fixedly arranged in the instrument seat and can be observed through a central window of the dial.

The invention provides a treatment process and mixing equipment for coal cracking produced sewage. The treatment process for the coal cracking produced sewage comprises the following step: S1, pretreatment: discharging the sewage to be treated into a treatment tank inside a treatment box through a sewage pipe. By adopting the treatment process and mixing equipment for the coal cracking produced sewage disclosed by the invention, tar in the sewage can be quickly treated, and phenolic compounds in the sewage can be treated, thereby realizing standard sewage discharge, avoiding environmental pollution, being more environmentally-friendly and energy-saving, achieving green circulation and improving economic efficiency; the treatment process and mixing equipment have strong environmental protection performances, make relative contributions to environmental protection, and play active and important roles in the aspects of environment protection, energy conservation and emission reduction andthe like while realizing better economic and social benefits. Wastewater is recycled after meeting national emission standards and the wastewater discharge basically achieves zero emission and real green and environmental protection.

The invention discloses a production technology for a circular-truncated-cone-shaped elevation concrete block for a floor slab. The production technology comprises the steps of the preparing stage, the pouring stage, vibration forming, connecting piece setting, forming form removal and the like. According to the production technology for the circular-truncated-cone-shaped elevation concrete block for the floor slab, vibration waves can be formed between ring plates and clamping plates under the knocking action, the ring plates are vibrated through the vibration waves, demoulding is facilitated, in other words, an operator can finish demoulding with small knocking force, labor force input is reduced, and the demoulding efficiency is greatly improved; and meanwhile, knocking on a die is reduced, and accordingly the service life of the die is prolonged; the distance between connecting columns and wedge-shaped blocks is 81%-84% of the length of ring plate bevels; and resonance is most easily generated between the ring plates and between the ring plates and the clamping plates, and the demoulding efficiency is the highest in the resonance state. Equal-height blocks manufactured through the method can be used for wood templates and steel templates, corresponding technologies can be adopted for the two different templates, and high universality is achieved; and the demoulding operation is conducted according to the set sequence, and the superior product rate of products can be increased to 90% or above.

The invention belongs to the technical field of pipeline repairing, and particularly relates to an urban underground pipeline repairing device. The device comprises a horizontally-arranged supportingrod, wherein moving mechanisms are arranged at the two ends of the supporting rod, two annular sweeping mechanisms are rotationally connected to the supporting rod, the two annular sweeping mechanismscan rotate reversely through transmission of a transmission mechanism, and a motor for driving one annular sweeping mechanism is fixedly mounted on the supporting rod. The annular sweeping mechanismcomprises a sleeve rotationally connected to the supporting rod in a sleeving manner and sweeping pieces distributed on the periphery of the sleeve, and an adjusting chamber used for adjusting the lengths of the sweeping pieces is formed in the sleeve. According to the urban underground pipeline repairing device, because permanent magnet blocks are embedded in brush heads, when the permanent magnet blocks located on the two annular sweeping mechanisms move to the corresponding positions, the two brush heads get close to or get away from each other in the axial direction of the supporting rod,the brush heads can reciprocate along the axis of the pipeline in the process of rotating around the inner wall of the pipeline in the axial direction of the supporting rod, multi-angle sweeping of the brush head on the inner wall of the pipeline is implemented, and the sweeping effect is improved.

The invention discloses a vacuum circuit breaker maintenance frame. The vacuum circuit breaker maintenance frame comprises a machine body, a tool box and rotating wheels; a base is arranged at the lower end of the machine body; rotating wheels are mounted on two sides of the lower end of the base; a motor is mounted at the lower end of the middle of the base; the output end of the motor is connected with a ball screw; limiting rods are arranged on the left side and the right side of the ball screw; a sliding table is arranged at the upper end of the base; the tool box is installed on the upperside of the left end of the sliding table; a door opening is formed in the end, away from the tool box, of the sliding table; and a first step is arranged on the lower side of the right end of the door opening. The vacuum circuit breaker maintenance frame is simple in structure; a reciprocating screw rod structure is arranged between the ball screw rod and the sliding table so as to drive the ball screw rod to rotate through rotation of the motor, then the sliding table on the ball screw rod can slide up and down along with the ball screw rod, and therefore stable operation of the device canbe increased, the danger coefficient of climbing overhauling of workers is reduced, and meanwhile the overhauling difficulty is lowered.

The invention provides a hydraulic valve set for garbage compression. The hydraulic valve set for garbage compression comprises a first two-position four-way electromagnetic valve, a second two-position four-way electromagnetic valve, a three-position four-way electromagnetic valve, an oil inlet, a first oil outlet and a second oil outlet; a P oil port of the first two-position four-way electromagnetic valve, a P oil port of the second two-position four-way electromagnetic valve and a P oil port of the three-position four-way electromagnetic valve communicate to the oil inlet; a T oil port ofthe first two-position four-way electromagnetic valve and a T oil port of the second two-position four-way electromagnetic valve communicate to the first oil outlet; a T oil port of the three-positionfour-way electromagnetic valve communicates to the second oil outlet; and a two-position two-way electromagnetic valve and an overflow valve are arranged between the oil inlet and the oil outlet in parallel. The hydraulic valve set can realize idling startup, uses the two-position two-way electromagnetic valve for unloading, reduces the impact force during reversing of hydraulic oil, and meanwhile, achieves longer service life.

The invention provides a fuel cell flow channel structure, a flow field plate and a fuel cell, which are used for solving the problems of flow channel water accumulation and poor cell stability of thefuel cell in the prior art. The fuel cell flow channel structure comprises an upper triangular area and a lower triangular area; the upper triangular area is provided with plurality of horizontal flow channels, and in every two vertically adjacent horizontal flow channels, length of the upper horizontal flow channel is larger than that of the lower horizontal flow channel; the lower triangular area is provided with a plurality of vertical flow channels; the vertical flow channels and the horizontal flow channels correspond to one another to form L-shaped flow channels, and the longer verticalflow channels correspond to the longer horizontal flow channels; each horizontal flow channel and one end far away from the lower triangular area are respectively communicated with an inlet pipeline;the ends, away from the upper triangular area, of the vertical flow channels communicate with an outlet pipeline; the fuel cell flow channel structure comprises an oblique angle flow channel which islocated between the upper triangular area and the lower triangular area, and the horizontal flow channels and the vertical flow channels are communicated with the oblique angle flow channel.

The invention relates to a portal axle for low-platform vehicles. Said portal axle consists of a drive spur wheel (2) which interacts with a first counter spur wheel (3) which is rotationally fixed to a second counter spur wheel (4) which interacts with a driven spur wheel (5). The vertical distance of the rotational axis (10) of the drive spur wheel to the ground (11) is less than the vertical distance of the counter spur wheels (9, 4) to the ground (11).