491results about How to "Improve installation reliability" patented technology

A wiring board for light-emitting element, comprising a ceramic insulating substrate, and a conductor layer formed on the surface or in the inside of the insulating substrate, and having a mounting region mounting a light-emitting element on one surface of the insulating substrate; wherein the insulating substrate is provided with a heat-conducting pole-like conductor having a thermal conductivity higher than that of said insulating substrate; and the heat-conducting pole-like conductor is extending through the insulating substrate in the direction of thickness thereof from the light-emitting element mounting region of the insulating substrate, and is formed by the co-firing with the insulating substrate. The wiring board is produced inexpensively by co-firing, features excellent heat-radiating performance, is capable of quickly radiating the heat from the light-emitting element when the light-emitting element is mounted, and effectively prevents a decrease in the brightness of the light-emitting element caused by the heat.

A process for fabricating an integrated circuit package. At least a first side of a leadframe strip is selectively etched to define portions of a die attach pad and at least one row of contacts adjacent the die attach pad. A carrier strip is laminated to the first side of the leadframe strip and a second side of the leadframe strip is selectively etched to thereby define a remainder of the die attach pad and the at least one row of contacts. A semiconductor die is mounted to the die attach pad, on the second side of the leadframe strip and the semiconductor die is wire bonded to ones of the contacts. The second side of the leadframe strip is encapsulating, including the semiconductor die and wire bonds, in a molding material. The carrier strip is removed from the leadframe strip and the integrated circuit package is singulated from a remainder of the leadframe strip.

The invention relates to a safe type timber cutting machine with multiple cutting saw blades. The safe type timber cutting machine comprises a machine base and a cutting device arranged on the machine base. The cutting device comprises a plurality of cutting saw blades, a saw blade mounting rotary shaft and saw blade driving mechanisms, wherein the cutting saw blades are coaxially assembled, and the spacing between the cutting saw blades can be adjusted, the saw blade mounting rotary shaft is used for allowing the cutting saw blades to be installed on, and the saw blade driving mechanisms drive the cutting saw blades to rotate and are in drive connection with the saw blade mounting rotary shaft. The machine base is further provided with an automatic feeding device. The automatic feeding device comprises a feeding rack and a feeding driving mechanism, wherein the feeding rack is arranged in a moving and sliding mode in the rotating and cutting direction of the cutting saw blades, and the feeding driving mechanism drives the feeding rack. A plurality of timber fixing platforms are arranged on the feeding rack, the number and the positions of the timber fixing platforms correspond to those of the cutting saw blades. The timber fixing platforms are coaxially arranged. Timber cutting passages for allowing the cutting saw blades to enter and cut timbers are formed between the adjacent timber fixing platforms in a spaced mode. The spacing between the adjacent timber fixing platforms can be adjusted. Compared with the prior art, the safe type timber cutting machine with the multiple cutting saw blades can automatically feed the timbers and is more convenient and safer to operate.

The invention discloses an electric commercial vehicle and an electric commercial vehicle split battery pack fixing device. The fixing device comprises a support assembly arranged on a longitudinal member, wherein the support assembly comprises a longitudinal installation plate installed on the ventral surface of the longitudinal member, and a horizontal installation plate, and the horizontal installation plate is installed on the upper wing surface of the longitudinal member. In this way, during battery pack installation, the fixing device can be hung onto the upper wing surface through the horizontal installation plate, then the horizontal installation plate and the upper wing surface are fixed together and the longitudinal installation plate and the ventral surface are fixed together, the fixing device can be hung onto a vehicle body during installation, and support installation difficulty is reduced; meanwhile, the number of fixation points between the support and the vehicle body is increased, and then the rotation of the support relative to the vehicle body is effectively avoided, battery pack installation reliability is improved, and the safety of the whole vehicle and the battery pack is ensured.

The invention discloses a casing head and annular sealing device tripping-in tool for deepwater well drilling, and an application method thereof. The tool comprises a mandrel. A suspension structure is in sealing connection with the upper portion of the outer wall of the mandrel through a torque transmission structure. One end of the mandrel penetrates a piston slidably. An communication valve structure is arranged between the inner wall of the torque transmission structure and the outer wall of the mandrel. The suspension structure comprises a suspension barrel. An elastic pin capable of rotating to hook or release an annular sealing device is arranged at the bottom of the outer wall of the suspension barrel. A rotating barrel is in sealed and fixed connection with the lower portion of the inner wall of the suspension barrel. The inner wall of the rotating barrel is connected to the outer wall of the piston through a thread. An open lock ring sleeves one end of the piston, and can radially extend to hook a casing head or radially contract to release the casing head. The casing head and annular sealing device tripping-in tool and the application method thereof have the advantages of capability of mounting the casing head and the annular sealing device at a benthonic underwater wellhead, few mounting and constructing step and low cost.

The invention provides a three-dimensional foot type and sole pressure integrated measuring instrument. The three-dimensional foot type and sole pressure integrated measuring instrument comprises a measuring table, a data line, a power line and a computer, wherein the measuring table comprises an objective table, 3D true feeling camera sets, a sole pressure measuring plate, an indicator lamp stripand a master control circuit board, wherein the 3D true feeling camera sets are symmetrically mounted on the objective table to acquire three-dimensional foot type data; the sole pressure measuring plate is embedded in the center of the objective table to acquire sole pressure distribution data; the computer receives data acquired by the measuring table through the data line, data are subjected to treatment such as storage, editing, computing and visualization by integrated testing analyzing software mounted on the computer, and visualized display and application outputting of three-dimensional foot type and sole pressure distribution data are realized. By the three-dimensional foot type and sole pressure integrated measuring instrument, foot morphology and kinematic mechanical parametersof a user are synchronously measured and are analyzed in a fused manner, meanwhile, self-calibration can be implemented, measurement is facilitated, and parameters are abundant.

A semiconductor device and package has a heat spreader directly disposed on the reverse surface of the semiconductor device. This heat spreader includes a diamond layer or a layer containing diamond and ceramics such as silicon carbide and aluminum nitride. The heat spreader is directly formed on a substrate for the semiconductor device. In particular, the heat spreader is composed of a diamond layer and one or two metal or ceramic members, which are bonded to the diamond layer with one or two polymer adhesive layers. This diamond layer has a fiber structure across the thickness or a microcrystalline structure. Cilia are formed on a surface of the diamond layer facing the one or two metal or ceramic members.

The invention relates to a bottom-suspension equipment mounting structure and a chassis of a railway vehicle. The bottom-suspension equipment mounting structure comprises a suspension base comprising two suspension plates, each suspension plate comprises a vertical plate and a horizontal plate at the bottom of the vertical plate, and each horizontal plate is bent towards the other suspension plate. A supporting plate is mounted on the top surfaces of the horizontal plates of the suspension base, and equipment is mounted on the top surface of the supporting plate. The bottom-suspension equipment mounting structure comprises an equipment damping mechanism and stoppers limiting horizontal moving of the equipment. The chassis of the railway vehicle comprises a chassis beam, the lower surface of the chassis beam is provided with a C-shaped groove concave upwardly, and a slider of the bottom-suspension equipment mounting structure is mounted into the C-shaped groove. The radio of excitation frequency to system inherent frequency is within the optimal range via rubber rigidity adjustment, the problem of resonance between the equipment and the vehicle is effectively avoided, impact load during high-speed running of the vehicle and the equipment is quickly attenuated, and the stoppers of the equipment protect the equipment from large displacement.

The invention relates to an S-shaped composite furnace wire and a processing method thereof. The S-shaped composite furnace wire is formed by combining S-shaped electric heating alloy wires, metal clamps and a twined wire, wherein a plurality of S-shaped electric heating alloy wires with the same section are overlapped to form a circuitous curved S-shaped flat band, the twined wire is arranged on the S-shaped flat band for fixing, and the wave crests of the S-shaped flat band are fixed by the metal clamps. The processing method of the S-shaped composite furnace wire comprises the following steps: processing the S-shaped electric heating alloy wires, processing the metal clamps, and assembling the S-shaped flat band. The S-shaped composite furnace wire has the advantages that the processing convenience and the installation reliability of the electric heating wires are increased, and the service life is prolonged.

The invention discloses a steel rail and a damping absorber thereof. The disclosed damping absorber comprises a damping layer and a metal constraining board layer, as well as a magnetic material layer, wherein the damping layer, the metal constraining board layer and the magnetic material layer are laid at the rail waist of the steel rail in sequence from inside to the outside; since magnetic material layer has higher specific gravity and vibration-absorbing mass effect, the damping absorber has more obvious vibration absorbing effect; meanwhile, since the damping layer and the metal constraining board layer are closely stuck on the rail waist more reliably under the action of the magnetic attraction between the magnetic material layer and the rail body, the ineffective stickiness caused by rust and flaw removal can be effectively prevented in construction and and the potential safety hazard of falling off of the damping absorber can be eliminated, and therefore the reliability of the damping absorber is improved effectively and the denoising effect of the steel rail is increased.

A suspension bridge anti-skidding cable clamp comprises a first half ring body and a second half ring body, wherein the first ring body and the second half ring body are matched with each other from left to right or from top to bottom. Two ends of an annual outline of the first half ring body are provided with connecting steps and two ends of an annual outline of the second half ring body are provided with connecting steps, and the connecting steps of the first half ring body and the second half ring body are provided with a plurality of bolt holes which correspond to each other. The first half ring body and the second half ring body are connected with each other through high-intensity bolts. Anti-skidding structures are respectively arranged on the inner wall surfaces of the first half ring body and the second half ring body and each anti-skidding structure is at least one anti-skidding groove or at least one anti-skidding protruding tooth. After the anti-skidding structures are installed on a main cable, locking friction between the cable clamp and the main cable is greatly increased, the cable clamp is prevented from skidding on the main cable, and therefore installation reliability of the cable clamp on the main cable improved and a suspension bridge is safe. In addition, the suspension bridge anti-skidding cable clamp can effectively reduce level of manufacture difficulty, decrease manufacture materials, control manufacture cost, benefit installation operation on the main cable, relieve labor intensity of workers and is good in practicability, safe and reliable.

The invention discloses an integral broadcast early warning device based on wireless communication, a broadcast early warning system and a host. The integral broadcast early warning device comprises at least one loudspeaker, a wireless communication early warning host, a wireless communication handheld unit, a battery power unit, an outdoor unit installing box and a supporting unit. The outdoor unit installing box and the loudspeaker are both installed on the supporting unit. The wireless communication early warning host and the battery power unit are both installed in the outdoor unit installing box. Through a host wireless transceiver unit and a handheld wireless transceiver unit, wireless communication connection is established between the wireless communication early warning host and the wireless communication handheld unit. Wireless communication connection is established between a server and a wireless communication terminal. A set of informationalized natural disaster early warning system is established, people-oriented disaster reduction early warning and forcasting, decision making, disaster handling and scheduling command are truly achieved, life and property loss of people are reduced as much as possible, and our beautiful home is safeguarded.

The invention discloses a side wall concrete construction method employing a side wall trolley. The employed side wall trolley is formed by a side wall trolley unit or longitudinal splicing of a plurality of side wall trolley units, the side wall trolley unit comprises a trolley moving and fixing system and a steel moulding plate connecting and positioning system; the construction steps are the followings in sequence: paving a walking track, precoating a release agent, enabling the trolley to move and take place, adjusting a screw jack, repeatedly adjusting an extension-type cantilever beam and a hydraulic jack, adjusting a bearing jack, mounting a lateral screw rod jack, mounting a foot margin inhaul cable, mounting an anti-floating screw rod jack, mounting an opposite-support pipe fitting, mounting a closing-up net and a water stop steel plate, casting concrete, stripping and the like, that building a steel pipe support and a spliced template is not required can be achieved, after the adoption of the invention, the mounting and the demounting speeds are fast, three-direction accurate adjustment can be achieved, the construction is stable and reliable, the concrete surface flatness is good, and joint deviation is small.

Disclosed is a laminate including an insulating resin layer and a metallic foil formed in contact with the insulating resin layer. The laminate is characterized in that the interface stress between the insulating resin layer and the metallic foil represented by the following formula (1) is not more than 7×104, when the tensile modulus of elasticity (A) of the metallic foil at 25° C. is not less than 30 GPa and not more than 60 GPa, the thermal expansion coefficient (B) of the metallic foil is not less than 10 ppm and not more than 30 ppm, the bending modulus of elasticity (C) of the insulating resin layer at 25° C. is not less than 20 GPa and not more than 35 GPa, and the thermal expansion coefficient (D) of the insulating resin layer in the XY direction from 25° C. to Tg is not less than 5 ppm and not more than 15 ppm,Interface stress={(B)−(D)}×{(A)−(C)}×{Tg−25 [° C.]}  Formula (1)wherein, Tg represents the glass transition temperature of the insulating resin layer.

The invention relates to a high-pressure fuel pump (1), in particular of a common rail injection system of an internal combustion engine, having a pump cylinder head (3), having an intake valve (6) arranged in the pump cylinder head (3) in the direction of a pump cylinder axis, and a high-pressure fuel outlet (5) arranged laterally on the pump cylinder head (3), wherein a protective cap (10, 10a) at least partly covering the high-pressure fuel pump (1) is provided. According to the invention, a high-pressure fuel pump (1) having a protective cap (10, 10a) is provided, in which the protective cap (10, 10a) can be mounted without difficulty on an assembled high-pressure fuel pump (1). This is achieved in that a plug (8) having a lateral lead connection (9) is placed on the electrically operated intake valve (6), and the protective cap (10) is formed in two pieces and has two protective cap parts (11a, 11b) that can be fitted to each other, or else in that a plug (8) having a lateral lead connection (9) is placed on the electrically operated intake valve (6), and the protective cap (10a) is formed annularly and has a free clearance slot (19) interrupting the ring.

A semiconductor device contains an interposer having a square planar geometry, with length X for a first edge and length Y for a second edge orthogonal to the first edge, and a semiconductor chip and a dummy component disposed over the interposer, wherein the center of a first outer circumferential region, which surrounds the semiconductor chip over the interposer, and has length “a” for a third edge, and length “b” for a fourth edge, does not coincide with the center of the interposer, or equation X:Y=a:b is not satisfied, and the center of a second outer circumferential region, which surrounds the first outer circumferential region and the dummy components disposed over the interposer, and has length “x” for a fifth edge, and length “y” for a sixth edge, coincides with the center of the interposer, and equation X:Y=x:y is satisfied.

The invention relates to a connecting structure for mounting a finished component of an aircraft and discloses the connecting structure integrating thermal protection with finished component mounting.The connecting structure comprises a cabin (1), a heat-insulating layer (2), a hexagon thin nut (3), a heat-insulating sealing gasket (4), a finished component device (5), a threaded bush (6) and a snap-head bolt (7). The connecting structure is adopted for effectively reducing the complex degree of the cabin structure, increasing the mounting reliability of the heat-insulating layer and repeatedly detaching, replacing and repairing the heat-insulating layer; besides, the connecting structure is designed in a sinking form; the refractory sealant is filled in a sinking area of the structure, so that the heat-insulating effect is obvious, and meanwhile, the connecting structure is suitable for the conical structure of the elastic element and is capable of achieving the effect of reducing aerodynamic resistance, effectively reducing the processing precision of the technology and meeting the requirement of central high-precision mounting of the finished component device along the radial direction of the cabin.

The invention discloses a high-temperature sealing type two-lug support plate self-locking nut, which comprises a nut body and a sealing cover, wherein the sealing cover is arranged on the outside of the nut body, the nut body comprises a support plate, a closing section and threads, the threads are arranged in the nut body, the bottom of the support plate is provided with a sealing cushion, a sealing ring is sheathed on the outside of the closing section, and the sealing ring and the sealing cushion are respectively made of high-temperature and low-temperature resistance silicon rubber. The self-locking nut has the advantages that the support plate is additionally arranged on the common two-lug floating self-locking nut, the special silicon rubber ring and the sealing cushion are adopted, and the sealing cover, the sealing ring and the sealing cushion are used in a matching way, so the structure is reasonable, the strength is higher and more stable when the self-locking nut is connected with a box body, and the installation reliability is greatly improved; meanwhile, the vibration resistance performance, the loose resistance performance, the high-temperature and low-temperature resistance performance and the corrosion resistance performance are better; and the guarantee is effectively provided for hydraulic systems, pneumatic systems and oil line systems in the fields of aviation, aerospace, ships, railways and the like, the economic benefits and the social benefits are better, and the self-locking nut can be widely applied to the industry of mechanical equipment.

The invention relates to structural design of parts of a CRRT (continuous renal replacement therapy) machine, and in particular relates to an intelligent heparin pushing injector used for the CRRT machine. The intelligent heparin pushing injector comprises an injection syringe, a controller, a motor, a ball screw, an installation base plate, and a pushing base with an inner cavity, wherein a support base with a first groove in the bottom is fixedly arranged on the top of the installation base plate, and a through hole communicated with the first groove is formed in the bottom of the installation base plate; a fixed base is fixedly arranged on the top of the installation base plate, the pushing base is positioned between the support base and the fixed base, a nut of the ball screw is mounted in the inner cavity of the pushing base; a tube of the injection syringe is arranged on the top of the support base, the tail end of a handle of the injection syringe is connected with the pushing base, the output end of the motor extends towards the through hole, and is connected with the end, extending into the first groove of the support base, of a screw rod of the ball screw through a transmission mechanism, the controller is connected with the motor through a circuit to control the operation of the motor, and the nut of the ball screw drives the pushing base to push the tail end of the handle of the injection syringe to carry out pushing injection. The intelligent heparin pushing injector has the beneficial effects that the input speed is accurate to control and is stable, the operation is convenient, and the degree of automation is high.

The invention discloses an angular position feedback module of a sun photovoltaic tracking system. The angular position feedback module is composed of a shell (1), a rotary encoder (2), a coded disc installation rack (3), a module base (4), a connecting rod (5), a limiting switch (6), a sliding block, a central shaft combination (8) and a flexible coupling (9). The shell (1) covers the module base (4), the rotary encoder (2), the coded disc installation rack (3), the limiting switch (6), the sliding block (7), the upper half part of the central shaft combination (8) and the flexible coupling (9) are sealed in a seal cavity consisting of the shell (1) and the module base (4). By integrating two functions of angular size feedback and extreme position alarming, the angular position feedback module provided by the invention has high integral protection level in comparison with the way of using independent components; meanwhile, the protection design for a sensor is added, a limiting angleis convenient for adjusting, the transport and installation are convenient; therefore, the angular position feedback is more stable and reliable.

The invention relates to a paper money leveling device and particularly relates to a paper money leveling machine. The paper money leveling machine comprises a casing, an active roller, a driven roller, a conveyor belt, a motor, a pre-leveling roller, heating rollers, cooling rollers, a steam jet and a paper money collecting box. According to the paper money leveling machine, the wrinkled paper money is conveyed through a flat mouth inlet pipe to the conveyor, after preliminary leveling is carried out through the pre-leveling roller, the wrinkled paper money passes below the steam jet and then is softened through steam sprayed by the steam jet, thermal leveling is sequentially carried out by each heating roller to improve toughness of the paper money, rapid cooling and cool leveling are sequentially carried out by each cooling roller to improve rigidity of the paper money, the paper money is lastly conveyed into the paper money collecting box through a flat mouth outlet pipe. The paper money leveling machine is advantaged in that leveling efficiency is high, the paper money leveling machine adapts to leveling of batches of wrinkled paper money, soft level and the high renovation degree are realized, the paper money circulation period is prolonged, natural resources are saved, and environmental protection is further realized.

The invention provides a screw rod and a food processor. The screw rod comprises a screw rod body and a blade, wherein a juicing net is arranged at a first end of the screw rod body; the blade is mounted at a second end of the screw rod body. According to the technical scheme provided by the invention, the blade is arranged at the second end of the screw rod body, therefore, after hard food materials or crude fiber food materials and the like enter a juicing cup and before the screw rod carries out squeezing, the blade is utilized for cutting the hard food materials or crude fiber food materials and the like into small broken blocks, thus the food materials cut by the blade can be easily squeezed to be broken by the screw rod, the clamping of the screw rod seldom occurs, meanwhile, the food materials are cut into the small broken blocks in advance, so that particles of food dregs are small, and thus the food dregs can be easily discharged and can not block a dreg discharge hole. In addition, the hard food materials or crude fiber food materials and the like are cut into the small broken blocks in advance, therefore, the food materials can be sufficiently squeezed by the screw rod in the juicing cup to form juice, and thus the juice yield is improved.

An intercity electric multiple unit (EMU) power bogie relates to the technical field of EMU bogies. The intercity EMU power bogie comprises a frame, two wheel set and axle box assemblies, four primary suspension assemblies, a secondary suspension assembly, a traction assembly, two driving device assemblies, four basic braking device assemblies, and shaft-end equipment. The gear box of the power bogie is suspended in a C-shaped bracket structure, which has the advantages of small coupling displacement and higher installation reliability compared with the hanger rod structure of the previous gear box. The bogie and the train body are connected by a connection sleeper beam, the train body and the bogie can be separated quickly and conveniently in application and maintenance, and modular design of the bogie is realized. The primary suspension devices are each provided with a primary stop pin, and the primary stop pins can support the train body and achieve a safety protection effect when steel springs are broken. The wheel set and axle box assemblies are provided with anti-off plates which can prevent an axle box swivel arm from falling off when axle box swivel arm installing bolts are loosened.