36results about How to "Guaranteed self-balancing" patented technology

The invention discloses an open forward and inverse cycle coupling triple supply system of electricity, heat and cold based on a combustion gas turbine. The system comprises a gas compressor, a combustion chamber, a high pressure turbine and a generator, as well as an exhaust-heat boiler, an exhaust gas recuperator, an exhaust gas cooler, a low pressure turbine and a refrigeration heat exchanger; wherein an exhaust gas output end of the high pressure turbine is connected with an exhaust gas input end of the exhaust-heat boiler; a steam output end of the exhaust-heat boiler is connected with a steam input end of the combustion chamber; an exhaust gas output end of the exhaust-heat boiler is connected with a hot exhaust gas input end of the exhaust gas recuperator; an exhaust gas output end of the exhaust gas recuperator is connected with an exhaust input end of the exhaust gas cooler; an exhaust gas output end of the exhaust gas cooler is connected with an input end of the low pressure turbine; an exhaust gas output end of the low pressure turbine is connected with an exhaust gas input end of the refrigeration heat exchanger; and an exhaust gas output end of the refrigeration heat exchanger is connected with a cold exhaust gas input end of the exhaust gas recuperator. Through the system disclosed by the invention, the primary energy utilization rate can be improved and the self-balance of water recovery and water consumption is ensured.

The invention provides an ultra-light hanging basket main truss, and belongs to the field of bridge construction load-bearing structures. The ultra-light hanging basket main truss comprises a main crossbeam, auxiliary crossbeams, longitudinal beams, a steel sling system, a pre-buried structure and an anchoring lead screw. The pre-buried structure is pre-buried in the previous section of poured boxarc section. The anchoring lead screw is arranged in the poured box arc section in a penetrating mode and arranged at the front end of the pre-buried structure. The main crossbeam is arranged at thebottom end of the anchoring lead screw. One ends of the longitudinal beams are arranged on the main crossbeam and are unparallel to the main crossbeam, and the other ends of the longitudinal beams arearranged at the bottom end of a truss steel sling. The auxiliary crossbeams stretch across the longitudinal beams. One end of the steel sling system is connected with the longitudinal beams, and theother end of the steel sling system is connected with the pre-buried structure. By arranging the rhombic truss, front end displacement of a rear-support hanging basket is effectively reduced, and theproblems of mounting and demounting of a lateral formwork are also solved well; the hanging basket main truss is arranged downwards to enable the gravity center of the hanging basket to be lowest, thus the stability of travelling and a suspended pouring state is ensured, and meanwhile, the maximum working space is provided for a section to be subjected to suspended pouring; and the downwards-arranged hanging basket main truss is anchored on the poured section through the lead screw, and thus self-balance of the hanging basket in the suspended pouring state is ensured.

The invention relates to power transmission and transformation wire construction equipment and specifically relates to a tension stringing self-balancing wire paying-out tackle and a towing plate. The tension stringing self-balancing wire paying-out tackle comprises a dual-yoke plate, parallel hanging plates and a wire paying-out tackle for an odd number of conductive wires. The two ends of the lower portion of the dual-yoke plate are both connected to the wire paying-out tackle for the odd number of conductive wires through the parallel hanging plate. The wire paying-out tackle for the odd number of conductive wires comprises eccentric yoke plates, bilaterally-door opening mechanisms, pulleys and rack bodies. The upper portions of the eccentric yoke plates are connected with the parallel hanging plates. One end of the lower portion of each eccentric yoke plate is connected to a corresponding rack body, and the other end of the lower portion of each eccentric yoke plate is connected to the rack body via a corresponding bilaterally-door opening mechanism. An odd number of pulleys are arranged in the rack bodies. A hauling rope passes through the pulley in the middle position in each wire paying-out tackle for the odd number of conductive wires. One end of each hauling rope is connected to a traction machine, and the other end of the hauling rope is connected to one end of a corresponding eccentric yoke plate. The other end of each eccentric yoke plate is connected to conductive wires. The conductive wires pass through the pulleys positioned on the two sides of the middle pulleys. In a whole wire paying-out process of the tension stringing self-balancing wire paying-out tackle of the invention, phenomena of turnover, offset and imbalance will not occur, and conductive wire paying-out is balanced and smooth.

The invention relates to a water injection forward and inverse gas turbine combined cycle system for burning both clean fuel and biomass fuel and supplying both heat and electricity. A gas turbine adopts the form of heat regenerative water injection-inverse gas turbine combined cycle and burns clean fuel; smoke generated by biomass fuel burning in a boiler indirectly heats air entering a combustion chamber of the gas turbine at first, and then preheated air entering the boiler, wherein medium-and-low-temperature heat in cycle of the gas turbine can be used for external heat supplying. According to the water injection forward and inverse gas turbine combined cycle system, the cascade utilization principle of energy is utilized, and an external burning method and the advanced water injection forward and inverse Brayton cycle are combined organically, so that the energy utilization efficiency of the biomass fuel can be greatly improved; the ratio of the biomass fuel to the clean fuel is adjustable; and self-balance of water injection water consumption and water recycling is realized.

The invention discloses an oil-free lubrication scroll vacuum pump. The pump comprises a movable scroll, a fixed scroll, a crankshaft, a motor, a rotation-prevention mechanism and an axial gap adjusting device; a static-balance-free design structure is adopted in the movable scroll, the movable balance property is improved, the scroll vacuum pump is more compact in whole size, a small-crank rotation prevention mechanism with the radial compliance and a crankshaft with the eccentric structure achieve joint action, the size of the rotation radius is adjusted, and it is ensured that movable scroll revolution and translation are more stable; in order to improve the air suction efficiency of the scroll vacuum pump, the fixed scroll is adopted, wherein the inner side profile and the outer side profile are not symmetric, and the fixed scroll is provided with a single air suction opening; the problems that due to the fixed scroll structure, the volumetric proportion in a work cavity is not equal, the scroll turns over, and the pressure fluctuates are solved through two manners of movable scroll tooth head cutting treatment or the exhaust hole opening range adjustment; meanwhile, an axial gap adjusting device adjusts the gap, caused by the machining error, at the combination position of a movable scroll disc and a fixed scroll disc, and the axial gap leakage is reduced.

The invention provides a measurement device for average corrosion depth in X-ray stress testing.The measurement device comprises a support, a supporting rod and a dial gauge.The support is a U-type hollow bent part with a downward opening, the supporting rod is a hollow straight rod, the upper end and the lower end of the supporting rod are connected with the center of the top of the support and the center of the bottom of the dial gauge, a balance plate is horizontally arranged inside a cavity in the top of the support, the center of the balance plate is connected with the support through a pin shaft, a rotating spring is arranged on the balance plate, three sleeves are evenly arranged on the bottom surface of the support at intervals, the center of the top face of the balance plate is connected with the bottom end of a main spring, the top end of the main spring is connected with the dial gauge, the bottom face of the balance plate is spaced evenly and connected with the top ends of three auxiliary springs, spheres are arranged at the bottom ends of the auxiliary springs which are sleeved with sheaths, the bottom ends of the sheaths are fixedly connected with the spheres, the three auxiliary springs and the three sleeves are arranged correspondingly, and the sheaths are inserted into the sleeves and can slide along the sleeves.On the premise of guaranteeing testing precision, the average depth of a corrosion pit is tested in a one-off mode, and working efficiency and accuracy are substantially improved.

The invention discloses a testing tool for the bending mechanical properties of a honeycomb sandwich structure and a testing method. The tooling includes a tooling base, a clamping device, a tooling support and a displacement sensor; the tooling base is installed on a beam of a testing machine; the clamping device is installed on The middle position on the tooling base is the clamping displacement sensor; the tooling support is set on both sides of the clamping device; the tooling support is provided with a connecting plate, and a flexible support plate is set on the connecting plate, and the top of the flexible support plate is rotated and connected with a balance support piece. When the present invention is used, the precise control of the span is realized by adjusting the relative position of the tooling support on the base; Precise longitudinal alignment ensures the accuracy of mechanical performance test results, and the displacement sensor can be quickly disassembled during the test, avoiding the risk of damage to the displacement sensor and improving test efficiency.

A microgrid system and its control and power generation forecasting method. The microgrid system includes a renewable energy power generation system, an energy storage system, a user load system, a diesel unit and a control system. The user load system divides the load into controllable load and uncontrollable load. The controllable load can predict the trend and count the peak and valley power of the load. The controllable load can be cut off in the event of an accident or when the output of renewable energy is insufficient. Energy storage is carried out during the period of time, and discharge is carried out during the peak period of electricity price. The photovoltaic power generation system is divided into two ways to calculate the power generation amount according to whether it has the measured data. The invention utilizes renewable energy to ensure reliable electricity consumption of users in islands and remote areas, reduces electricity consumption costs of users, reduces environmental pollution, switches controllable loads according to changes in electricity consumption, and maintains the self-balance of the microgrid system.