41results about How to "Reduced specifications" patented technology

An adaptive pre-equalizer is disclosed to compensate amplitude ripples in a low cost transmitter pass-band filter. A filtered-x LMS algorithm is proposed to calculate the equalizer coefficients. To this purpose, the modulated RF signal is demodulated at the transmitter and subtracted from a filtered version of the original base band signal. The impulse response of the low-cost transmit filter is approximated by a delay. The disclosure may be applied to direct conversion or heterodyne transmitters using OFDM.

A fiber optic apparatus comprising a biconvex optical lens having two equivalent aspheric optical surfaces; an optical fiber approximately located at one of a front focal plane and a back focal plane of the optical lens; and a structure positioned relative to the optical lens and the optical fiber, wherein the structure maintains the position of the optical lens relative to the optical fiber.

The invention provides a channel section steel production system and a production method thereof. The channel section steel production system comprises a feeding device, a heating device, a hot-rolling unit, a roll-bending unit and a fixed-length cutting device which are sequentially arranged. Flat steel blank raw materials are selected, heated through an electric induction heating device and then are fed into rolling mills of two machine frames to be subjected to rolling deformation, a first pass is used for thickness decrease, a second pass is used for plate shape forming of cross sections of rolled pieces before hot bending, and the two machine frames conducts deformation rolling on the raw materials simultaneously in a continuous-rolling state. By the adoption of simplified two-pass hot rolling, the thickness and plate shapes all cross section of flattened and spread channel section steel are rolled, waste heat is utilized to conduct hot bending forming on the continuous roll-bending unit, and fixed-length sawing, cooling and finishing are performed to obtain channel section steel products. The production method is simplified, hole type rolling pass is simplified, production difficulty is reduced, and the production success rate and finished material rate are improved. The number of the rolling mills is decreased, a production line is shortened, short-process production is achieved, and investment and follow-up maintenance cost are reduced.

The present invention relates to a bumper system for a vehicle, and provides a bumper system for a vehicle, the system comprising: a bumper beam which has a fastening hole formed through each end thereof in the forward and backward direction; a crash box which is inserted into the fastening hole of the bumper beam; and a bracket which is fastened to the bumper beam so as to be able to prevent the crash box from being separated. Thereby, the system can meet both low speed crash regulations and RCAR performance.

System and method of network packet switching using a table representation of a trie data structure to identify a timestamp (TS) range (or time range) for a received packet based on the packet timestamp (TS). The trie data structure is programmed with a plurality of predetermined time ranges. Each node in the trie data structure corresponds to a TS prefix and is associated with a corresponding predetermined time range. A search engine in the network switch can use the packet TS as a key to traverse the trie data structure and thereby matching the packet TS to a predetermined time range according to a Longest Prefix Match (LPM) process. Provided with the TS ranges of the incoming packets, various applications and logic engines in the network switch can accordingly process the packets, such as determining a new destination IP address and performing channel switch accordingly.

The invention provides a combined drilling tool, which comprises a drill stem, a drill bit and a drill bit joint. The drill bit is connected with the drill stem through the drill bit joint; the drill stem is connected by drill stem sections; each drill stem section comprises an inner stem section and a hollow outer stem section; the inner stem section can be rotatably fixed in the outer stem section; the inner stem sections of the drill stem sections are connected to form an inner stem of the drill stem; the outer stem sections are connected to form an outer stem of the drill stem; the inner stem is connected with an output shaft of power machinery; and the outer stem is fixedly connected with a shell of the power machinery. For the provided combined drilling tool, the length of the drillstem can be optionally adjusted to meet the demands of different drilling depths; the outer stem is fixedly connected with the shell of the power machinery immovably; and the inner stem is connected with the output shaft of the power machinery and can rotate inside the outer stem at a high speed but does not have friction with the hole wall. Therefore, the drill bit rotates at a high speed on thepremise of no rotary friction between the drill stem and the hole wall, and the drilling speed and efficiency are greatly improved.

The invention discloses an in-place guiding device for segmented hoisting and air pairing of heavy tower equipment and belongs to the technical field of equipment manufacturing and installation. According to the in-place guiding device, supporting tools are installed on the peripheral wall of the portion, close to a paired welding position, of a lower section of a tower, and guide columns are welded to the tools; guiding rings are installed on the portion, located above a paired weld joint, of the tower section to be hoisted; the guiding rings are uniformly distributed on the peripheral wall of the portion, close to the welding position, of an upper section of the tower and correspond to the guiding columns of the lower section of the tower; and the upper section of the tower is hoisted to the position above the lower section of the tower, the position of the upper section of the tower is adjusted and controlled by drawing hemp ropes tied in advance, the guiding columns installed on the upper portion of the lower section of the tower are sleeved with the guiding rings installed on the lower portion of the upper section of the tower by descending hoisting rings, and the upper section and the lower section of the tower are guided to be aligned rapidly and accurately. A brand-new method for segmented hoisting and vertical pairing of the heavy tower equipment is designed. By the adoption of the technical scheme, pairing of the upper section and the lower section of the equipment can be completed more safely, rapidly and accurately.

The invention relates to a component of a power transmission line system, especially to an anti-oscillation anti-binding anti-whipping telescopic spacer for a high-voltage transmission line. The spacer comprises an intermediate connecting rod and wire-capturing clamp heads arranged at the two ends of the intermediate connecting rod. The intermediate connecting rod has a telescopic structure; and a plurality of positioning pin holes for insertion of pins or bolts are formed in the telescopic rod at intervals. The intermediate connecting rod of the spacer is a telescopic rod whose length can not be adjusted and positioning is realized by the pins or bolts, so that adaptation to distances between different leads can be realized, the specification types can be reduced, and the cost can be lowered. Besides, the spacer can be installed and used conveniently.

A method for controlling a vehicle-mounted device by a portable terminal is provided. The method comprises the following steps. The vehicle-mounted device is turned on. A synchronous mode is started. Connection to the portable terminal is confirmed. The vehicle-mounted device is switched to the synchronous mode. An operation module is selected. A stored pattern of operation modes of the operation module is transmitted to the portable terminal. An operation module on the portable terminal is started for enabling the vehicle-mounted device to playback the function mode corresponding to the operation module and controlling the vehicle-mounted device by operating the operation mode on the portable terminal.

The present invention prevents foreign matter from infiltrating into a control valve and enables reduction in the cost of the valve. A strainer is mounted on an attachment portion of a valve sleeve, and a valve spool is disposed in the sleeve so as to be free to slidably advance and retreat. The strainer includes engagement portions m1 contacting first contact sites ε1 and ε2 formed on the attachment portion and a contact portion contacting second contact sites ε3 and ε4 formed on the attachment portion. Since the strainer includes the engagement portions m1 in contact with the first contact sites ε1 and ε2 and the contact portion in contact with the second contact sites ε3 and ε4, the sleeve has sufficient sealing contact with the strainer 73 at the first and second contact sites ε1 to ε4.

The invention relates to an edge trimmer, and particularly relates to an intermittent circular iron sheet edge trimmer. The invention provides the intermittent circular iron sheet edge trimmer, and the intermittent circular iron sheet edge trimmer can fix iron sheet and intermittently rotate the iron sheet while automatically cutting the iron sheet. The intermittent circular iron sheet edge trimmer comprises a rack, a motor, a transmission device, an intermittent rotating device and a downward pressing device, wherein the motor is installed on the rack; the transmission device is arranged on one side of the rack; the intermittent rotating device is arranged on the side, close to the motor, of the rack; and the downward pressing device is arranged in the middle of the rack. According to theintermittent circular iron sheet edge trimmer, through the design of the transmission device, the downward pressing device can be driven to move repeatedly, and the transmission device is matched with the downward pressing device, edge trimming of the circular iron sheet is achieved, the downward pressing edge trimming time is fixed, and edge trimming is more standard; and through the design of awaste collecting device, the waste obtained after edge trimming of the circular iron sheet in a collecting barrel is moved out of the collecting barrel through a sliding groove, and the interior of the collecting barrel can be cleaned, so that the interior of the collecting barrel is tidier.

The invention discloses a full-automatic sugarcane seed bud cutting machine. The machine comprises a bottom plate, a cutting mechanism, a reverse rotation mechanism and a material conveying mechanismare installed on the bottom plate, the cutting mechanism is provided with a cutting air cylinder, the cutting cylinder is provided with a magnetic switch A and a magnet switch B, a cutter is installedat the front end of a pushing rod of the cutting air cylinder, and cutting is conducted downward perpendicularly; a front camera and a back camera are installed on the bottom plate and used for detecting the positions of sugarcane buds or segments; the reverse rotation mechanism is provided with a motor A, a conveying belt A, a motor C and a conveying belt C, and the conveying belt C is installedat the front end of a compression air cylinder C; the material conveying mechanism is provided with a conveying belt B driven by a motor B and a conveying belt C driven by a motor D and installed atthe front end of the compression air cylinder C. The cutting machine is of a mechanical and electrical integration structure, so that the efficiency of sugarcane seed bud processing is higher, the more standard purpose is achieved, the waste is reduced, and the earnings of sugarcane growers are improved.

The invention discloses a construction platform module unit and a construction platform thereof. The construction platform module unit comprises a module unit A, wherein the module unit A comprises inner row uprights, outer row uprights and a guide rail, wherein three outer row uprights are vertically arranged side by side at intervals; two inner row uprights and one guide rail are arranged, the guide rail is arranged between the two inner row uprights, and the inner row uprights and the guide rail are vertically arranged side by side at intervals; the two inner row uprights, the three outer row uprights and the guide rail form a square frame body; a platform bottom plate is arranged on the square frame body. According to the construction platform module unit and the construction platform thereof, the modularization degree is high, the assembly between modules is flexible, the detachment is convenient, the interchangeability is strong, the specifications and models of parts are fewer, and the processing is easy; the parts can be temporarily increased, reduced or adjusted and replaced according to needs, the interference among the parts is little, and the independence is strong.

The invention discloses a stacker-reclaimer. The stacker-reclaimer comprises a portal base, a slewing bearing, a rotary plate, an arm frame, a bucket wheel, a pitching oil cylinder and a portal column, and further comprises a counterweight frame, a counterweight block and a counterweight oil cylinder. The rotary plate is arranged on the portal seat, and the slewing bearing is connected with the rotary plate and the portal base to enable the rotary plate to rotate around a rotation center. One end of the arm frame is hinged to the rotary plate, the other end of the arm frame is connected with the bucket wheel, and the portal column is vertically connected to one end, close to the rotary plate, of the arm frame. One end of the pitching oil cylinder is hinged to the rotary plate, and the other end of the pitching oil cylinder is hinged to the portal column. One end of the counterweight frame is connected with the portal column. The counterweight oil cylinder and the counterweight block are arranged on the counterweight frame, and the counterweight block slides on the counterweight frame under the driving of the counterweight oil cylinder. According to the stacker-reclaimer, differentcounterweight moments can be obtained by changing a moment arm of the counterweight block, the gravity center of the upper structure can be controlled within a very small range near a hinge point of the arm frame according to balance requirements at different pitching angles, the load of the pitching oil cylinder and the slewing bearing can be reduced, and the safety performance can be improved.

The invention relates to a combined energy-saving oil cylinder. Two oil cylinders with different cylinder diameter and identical strokemm are combined into a whole to drive plastic molding mechanical moulds to realize mold clamping. In a rapid mold clamping stage, a hydraulic system only supplies pressure oil to a small oil cylinder, a big oil cylinder absorbs static oil without pressure from an auxiliary oil tank to fill liquid, and he big oil cylinder and the small oil cylinder act synchronously. In a high pressure mold closing stage, the hydraulic system supplies the pressure oil to the big oil cylinder and the small oil cylinder simultaneously through the switch of an electromagnetic reversing valve. Therefore, the combined energy-saving oil cylinder can increase mold clamping speed and provide an extremely large mold closing force only by a small hydraulic system. The oil cylinder motor power and an oil pump flow are reduced greatly; a hydraulic circuit board, hydraulic valves, oil cylinders, oil coolers and size of piplines are decreased at the same time; and the combined energy-saving oil cylinder is low in cost and energy conservation.

The invention aims to provide a chain saw guide plate which is good in universality and applicable to chains with different pitches and a chain saw with the chain saw guide plate. The chain saw guideplate comprises a plate-shaped body, wherein guide plate grooves are formed in two sides of the body. The chain saw guide plate is characterized in that a guide wheel is mounted at the head end of thebody through a rotating shaft, and a guide groove is formed in the outer edge of the guide wheel. According to the chain saw guide plate, the guide wheel with the guide groove is used for replacing atraditional guide chain wheel, a saw chain can be directly clamped in the guide groove of the guide wheel, and the guide wheel can be driven to rotate synchronously when the saw chain rotates, so that abrasion of the saw chain is reduced. More importantly, the guide wheel and the saw chain are matched through a sliding groove instead of a gear and a chain, so that the guide wheel can be matched with saw chains with different specifications, chain saws with different models can use the same chain saw guide plate, the specifications and the models of the chain saw guide plate can be reduced, and production and material preparation management are facilitated.

The invention discloses an inverter power supply assembly, a welding and cutting power output device and welding and cutting equipment. The inverter power supply assembly comprises a rectifying and filtering unit for performing rectifying and filtering on inputted power frequency AC power, at least one inverter conversion unit for performing inverter conversion on the power completing rectifying and filtering, at least one step-down rectifying and filtering unit for performing step-down rectifying and filtering on the power completing inverter conversion and a DC power output unit for outputting the DC power completing step-down rectifying and filtering, wherein the DC power output unit comprises a forward DC power output end and a negative DC power output end. Combined online operation can be carried out, the versatility of the equipment is enhanced, and the utilization rate of the equipment is improved.

The invention provides a manufacturing process of a cloth patch. The manufacturing process includes the steps of S1, pattern drawing, to be specific, using a computer to design a pattern which is thecomponent of the cloth patches, and printing the pattern; S2, sample drawing, to be specific, placing a transparent thin plastic sheet on the pattern, drawing all the contours of the pattern on the plastic sheet one by one, and printing the contours drawn on the thin plastic sheet onto a white paper board to form a plurality of independent pattern contours, namely 'liners', on the white paper board; S3, color adhering, to be specific, adhering cloth of different colors to the 'liners'; S4, cutting, to be specific, cutting off the cloth adhered to the 'liners' along the pattern contours of the'liners' to form a plurality of cloth patch components; S5, adhering the cloth patch components together on single-color base cloth according to the pattern in S1; S6, internally folding the edges ofthe cloth on the cloth patch components; S7, sewing the folded edges; S8, performing supplementary embroidery; S9, directly mounting the manufactured cloth patch into a mounting frame or onto a scrollor adhering the cloth patch to garments. The manufacturing process is good in cloth patch production and processing quality, and the manufactured cloth patch is convenient to mount.

The invention provides an efficient plate cutting machine for a construction site. The efficient plate cutting machine for the construction site comprises two supporting platforms of the cutting machine, a supporting rod is fixedly connected between the two supporting platforms, a double-shaft motor is fixedly connected to the upper end of the supporting rod, and guide sleeves are fixedly connected to the upper ends of the two supporting platforms correspondingly, a supporting frame is arranged between the two supporting platforms, guide rods penetrating through the two guide sleeves are fixedly connected to the two sides of the supporting frame correspondingly, a reciprocating mechanism capable of enabling the supporting frame to move in a reciprocating mode is arranged in the supporting frame in a matched mode, a differential box is arranged on one side of the supporting frame, a cutting shaft is rotationally connected to the side wall of the differential box, a cutting disc is fixedly connected to the tail end of the cutting shaft, and a cutting mechanism capable of enabling the cutting disc to conduct efficient cutting is arranged in the differential box. The efficient plate cutting machine for the construction site has the advantages that semi-automatic rapid and effective cutting can be conducted on plates, and the cutting efficiency is greatly improved.

A paint production system produced from pigment pastes and vehicles without prior adjustment. The system includes a volumetric dosing module endowed with automatic volumetric calibrators, at least one continuous processing module that includes a rotary mechanism that moves at least one tank between a mixing station, a continuous adjustment station integrated into a filling station, a cleaning station jointly with a manifold cleaning solvent mist generator and a control center that sends commands to be executed in the volumetric dosing module and continuous processing module units from a set of instructions in a computer program.