34results about How to "Reduce external load" patented technology

A molding apparatus of a glass material according to the present invention is characterized by containing means for holding a glass material and a molding die in contact with each other, means for heating the glass material and the molding die, and means for applying a voltage across the glass material and the molding die, in which press-molding is performed by electrostatic attraction acting between a surface of the glass material and a surface of the molding die. Further, a molded product of a glass material according to the present invention is characterized by including an alkali metal as a component, in which a concentration of the alkali metal is lowered in vicinity of a surface to be molded as compared with that of a glass base material.

A system on chip (Soc) includes a system bus, a plurality of sub-systems, an image processing logic block, an image memory interface and an image processing memory block. The sub-systems are respectively connected to the system bus. The image processing logic block is connected to the system bus. The image processing logic block performs an image processing. The image processing logic block is included in a first power domain. The image memory interface is connected to the system bus and the image processing logic block. The image processing memory block is connected to the image memory interface. The image processing memory block is used for the image processing. The image memory interface and the image processing memory block are included in a second power domain different from the first power domain.

An apparatus and method for internal repair of pipes and conduits, such as sewer pipes, pressurized water mains, water wells, and natural gas lines. The conduit repair apparatus includes a sleeve with locking mechanism to lock the sleeve in a tubular configuration. The sleeve is made of metallic or rigid plastic sheet having perforations. Some of the perforations are shaped like elongated slots and strips. A number of resilient O-rings are applied over the outer surface of the sleeve. A resilient membrane is applied over the O-rings. In one embodiment, a reinforcement band is used, and an additional layer of O-rings are included between the membrane and the reinforcement band.

The invention discloses an intelligent variable pitch system for inhibiting the waving resonance of a wind turbine based on SMA differential pressure feedback. The wind turbine, a signal transmittingand processing device, a variable pitch control device and a variable pitch executing device are included; shape memory alloy SMA materials are laid on the upper layer and the lower layer of wind turbine blades, and the SMA materials located between the upper layer and the lower layer on the same blade are connected through a guide wire; when the wind turbine blades generate the waving displacement of the tip portions of the blades, the SMA material arranged between the upper layer and the lower layer generates differential pressure, and a voltage signal is output; the signal transmitting andprocessing device processes the voltage signal, the processed voltage signal is transmitted to the variable pitch control device; the variable pitch control device judges the processed voltage signaland sends a control instruction to the variable pitch control device according to the judging result; and control over the variable pitch angle of the wind turbine blades is achieved. By means of thesystem, hysteresis of resonance inhibiting of the wind turbine blades can be reduced, the conducting process of waving resonance detection is simplified, and the sensitivity and the accuracy of wavingresonance detection are improved.

The invention discloses a movable sliding cantilever unloading platform. The movable sliding cantilever unloading platform comprises a lower cantilever profile steel supporting base and an upper slidable unloading platform body, wherein the lower cantilever profile steel supporting base is slidably connected with the upper slidable unloading platform body; the lower cantilever profile steel supporting base comprises an I-shaped steel main beam and an I-shaped steel secondary beam; the two ends of the I-shaped steel secondary beam are fixedly connected with the I-shaped steel main beam throughfirst bolts; a first fixing block is fixed to the rear end face of the I-shaped steel main beam; a first baffle is arranged behind the I-shaped steel secondary beam; second fixing blocks are fixed tothe two ends of the first baffle; and the first fixing block and the second fixing blocks are connected and matched, and the I-shaped steel main beam is fixed to the two ends of the first baffle. Themovable sliding cantilever unloading platform has the advantages of being convenient to mount, high in dismounting speed and high in safety performance coefficient.

The invention discloses a cylindrical pile leg, and belongs to the field of ocean platforms. The cylindrical pile leg comprises a pile leg barrel. The bottom end of the pile leg barrel is used for being connected with a pile shoe. The cylindrical pile leg further comprises submerged pumps, drain pipes and a remote control valve. The remote control valve is arranged on the side wall, close to the bottom end, of the pile leg barrel and is used for controlling whether an inner cavity of the pile leg barrel communicates with the outer portion of the pile leg barrel or not. The submerged pumps arearranged at the bottom of the inner cavity of the pile leg barrel. The drain pipes are arranged in the inner cavity of the pile leg barrel. One end of each drain pipe is connected with the corresponding submerged pump, and the other end of each drain pipe stretches out of the top of the pile leg barrel. When a self-elevating ocean platform prepares pile standing, the remote control valve is opened, seawater passes through the valve to enter the pile leg, seawater pressure inside and outside the pile leg is offset, external loads borne by the pile leg are reduced, the wall thickness of the pileleg barrel is reduced, the weight of the pile leg is reduced, and the manufacturing cost and manufacturing difficulty of the pile leg are reduced.

A heating device of a flat glass furnace and a use method thereof. The heating device comprises electrode heating bricks and power supply devices; the number of the electrode heating bricks is even, and all the electrode heating bricks extend out of inner walls of pit wall bricks of the furnace; and each power supply device communicates with each two electrode heating bricks, after the corresponding power supply device is energized, the two corresponding electrode heating bricks heat glass metal in the furnace under the action of joule heat to form a set of heating unit, and the furnace is divided by multiple sets of heating units. The use method of the heating device comprises the step of pushing the electrode heating bricks into the furnace intermittently to make distance d between an end surface of each electrode heating brick and an end wall of each corresponding pit wall brick always larger than 0 mm. Not only is the problem that the joule heat and the temperature on the pit wallbricks are too high solved, but also heat of the electrode heating bricks is effectively used, meanwhile, loads of an external power supply device needed by the furnace are reduced, the electrode heating efficiency is improved, and the production requirements are met.

The invention discloses a system combining bottom seepage drainage and flood drainage facilities. The system comprises the flood drainage facilities and the seepage drainage facilities; the seepage drainage facilities comprise seepage collection facilities and seepage guide pipes; the flood drainage facilities comprise one or more of a drainage well, a drainage culvert pipe and a drainage chute; the seepage collection facilities comprise seepage collection pipes; and the seepage collection pipes communicate with the flood drainage facilities through the seepage guide pipes, and seepage water collected by the seepage collection facilities is guided into the flood drainage facilities. By means of the method, the use number of the seepage guide pipes can be reduced, the seepage path length of the seepage drainage facilities is reduced, drainage of the seepage water is accelerated, the seepage line is reduced, and the seepage drainage effect is enhanced; and meanwhile, due to the improvement of the seepage drainage effect, the external water pressure around the flood drainage facilities can be reduced, the external load of the flood drainage facilities is reduced, and the stability of flood drainage structures is improved. The method can be widely suitable for arrangement of the seepage drainage and flood drainage facilities of various tailing ponds and is also suitable for red mud storage yards, refuse dump landfills and refuse dumps.

To introduce a mixture to be processed, in which powder and granular material with relatively large specific gravity and hardness and accompanying lightweight foreign substances are mixed together, inside a system and separate the same by a dry method.Disclosed is a powder and granular material separation processing device X that is connected to an external suction machine such as a dust collection device and an electric vacuum cleaner, introduces by suction a mixture to be processed into a separation processing container 1, and discharges lightweight foreign substances to the outside of a system while collecting powder and granular material inside the system. The separation processing container 1 has a suction introduction tube 2 that is attached and sealed as the upper part structure of a hopper tank 4 that collects and stores the powder and granular material and receives the mixture to be processed on the circumferential surface thereof, and a suction discharge tube 3 that is connected to an external suction machine on the upper surface thereof. In addition, the separation processing container 1 has a separation cone 11 with a funnel-shaped bottom surface and a cylindrical opening 13 that hangs in a protruding shape downward from the tip part of the separation cone 11 and of which the opening diameter thereof is reduced stepwise to have multiple steps. The suction discharge tube 3 has a multiple tube configuration at the tip part thereof in which each tube is given a small diameter corresponding to each opening diameter of the cylindrical opening 13 to be loosely inserted and face the tip part of an opening.

An LED lighting unit (1) includes a housing (10), a circuit board (31) and a seal member (50). The seal member includes a seal main body (51) inserted into the housing in an insertion direction, a wire insertion portion (60), a protrusion piece (61) protruded from a rear surface of the seal main body opposite to the insertion direction. A holder (70) is arranged at one side of an opening of the housing relative to the seal member and includes a guide base (71) inserted into the housing, a protruded wire guide portion (74) protruded from a front end surface of the guide base and arranged at a position facing the wire insertion portion within the housing, and a wire lead portion (72a) leading an electric wire from a position adjacent to the guide base to the external. The opened surface of the housing coincides with a rear end surface of the guide base within the housing.

The invention discloses a power supply method and device used under idling working conditions. The method includes the step of detection and the step of power supply mode change. The detection step includes the substep that whether current working conditions of a vehicle meet idling working condition power supply conditions or not is detected. The power supply mode change step includes the substep that if the idling working condition power supply conditions are met, power generation voltage of a power generator is adjusted, so that the power generator and a storage battery supply power to an external load together, and an idling working condition power supply mode starts. Under the idling working conditions, the power generation amount of the power generator is reduced, accordingly the external load of an engine is reduced, and idling vibration in the vehicle is improved. Compared with the prior art, idling vibration in the vehicle is improved by controlling the power generation amount of the power generator, the power supply method and device are not limited by the type of gearboxes and air conditioner compressors, and the application range is wider.

The invention discloses a double column-type transition hydraulic support, comprising a base (1), a top beam (2) arranged above the base (1), a tail beam (3) of which one end is hinged to one end of the top beam (2), and a front beam (8) fixed to the other end of the top beam (2). The double column-type transition hydraulic support is characterized by also comprising a top beam support device installed on the base (1), and a tail beam support device installed on the base (1), wherein the top beam support device is hinged to the top beam (2); the tail beam support device is hinged to the tail beam (3). The stability of the support is good, the utilization rate of resistance of the support can be improved, and the requirement for the installation space for a drive part of the head or tail of a front-back scraper machine can be met.

The invention discloses a maritime foundation base. The maritime foundation base comprises a barrel-shaped base and a connecting tower barrel; a sealing top cover is arranged on the upper part of the barrel-shaped base; the connecting tower barrel is arranged on the sealing top cover; an inner barrel is sleeved inside the connecting tower barrel; and a soft cushion layer is arranged between the connecting tower barrel and the inner barrel. By adoption of a structural design that the inner barrel is arranged inside the connecting tower barrel and the soft cushion layer is arranged between the connecting tower barrel and the inner barrel, the shock-proof safety of the maritime foundation base is enhanced greatly; meanwhile, the shortcoming that the maritime foundation base uses a large quantity of materials can be avoided; therefore, the cost is reduced and a good stress effect can be achieved.

The invention provides a self-balancing arch rib vertical rotation and lift construction method. The method has the following beneficial effects that: the terrain characteristics of the plains are considered, the idea of turning vertical force into horizontal force in the traditional vertical rotation method is abandoned, the characteristic of strong vertical bearing capacity of the tower is fully used, and the position of the tower, arrangement of upper and lower anchor points of the system and arrangement of various standard steels of the tower are improved to ensure the transfer path of the tower load to be simple and definite, ensure the horizontal force in the vertical rotation process to be as low as possible and be even zero and form a tower system with strong resistance and high horizontal force, thus utilizing the capacity of the tower to balance the horizontal force generated in the vertical rotation process and forming the self-balancing arch rib vertical rotation and lift technology, without rear anchor cables; therefore the construction difficulty of arch bridges, especially large span arch bridges in the plains can be greatly reduced. The method provided by the invention has the characteristics of high construction safety, good economy, strong operability and the like and is suitable for installation of arch ribs in the plains.

The invention provides a high-strength composite falling prevention device which comprises falling prevention rails fixed on a pole tower and a falling protector slidably disposed on the falling prevention rails. The falling prevention rails are of aluminum-clad steel composite structures, cross connection of the falling prevention rails in longitudinal and horizontal directions can be realized through a rail changer, and a rail changing and guiding block capable of rotating is arranged on the rail changer; the falling protector is of a double-groove structure, and a connecting lever leading to a main through groove is arranged on the falling protector; conversion sliding of the falling protector on the longitudinal and horizontal rails can be realized through the rail changer. The high-strength composite falling prevention device is simple in structure, ingenious in design, high in strength, good in tensile, light in weight, rapid and convenient to mount and demount, high in safety, highly practical and worthy of being promoted and used.

The invention provides a hydraulic aeroelastic variable pitch system based on fully-distributed type optical fiber sensing differential pressure feedback and a control method. The wind turbine blade aeroelastic stability is improved, and accordingly the fluttering fracture failure phenomenon possibly happening is restrained. The hydraulic aeroelastic variable pitch system comprises a wind turbine,a signal obtaining system, a variable pitch control system and a hydraulic executing system. An optical fiber differential pressure sensor is arranged in each wind turbine blade for measuring the displacement differential pressure of the wind turbine blade. The signal obtaining system is arranged in a hub and used for receiving displacement differential pressure signals and conducting encoding treatment. The variable pitch control system and the hydraulic executing system are arranged in a cabin, the variable pitch control system comprises a PAC variable pitch controller used for judging theprocessed signals, RBF neural network control is conducted according to a judgment result, a corresponding control result instruction is sent to the hydraulic executing system, and the hydraulic executing system conducts variable pitch control on the wind turbine blades.

The invention discloses a pressure-resistant housing of a deep-sea submersible, belonging to the field of deep-sea submersible. The pressure-resistant shell comprises an outer pressure-resistant spherical shell and an inner pressure-resistant spherical shell, and seawater is arranged in the cavity between the outer pressure-resistant spherical shell and the inner pressure-resistant spherical shell. A first relief valve is arranged on the outer side of the outer pressure-resistant spherical shell, a second relief valve is arranged on the outer side of the inner pressure-resistant spherical shell, and the second relief valve is arranged in a slow flow cavity on the inner pressure-resistant spherical shell; the outer side of the inner pressure-resistant spherical shell is also provided with ahigh-pressure gas cylinder which is connected with the cavity; an access hatch is arranged on the outer pressure spherical shell and the inner pressure spherical shell, an access hatch cover base isarranged on the outer pressure spherical shell and the inner pressure spherical shell at the access hatch, and an access hatch cover is arranged on the access hatch cover base; the invention solves the problem that the material requirement of the pressure-resistant shell is difficult to realize under the condition that the radius of the spherical shell with constant submergence is increased, and can ensure that the submergence is constant, and the external load of the structure is reduced while the radius of the spherical shell with constant submergence is increased, thereby ensuring the strength and stability of the structure.