66results about How to "Easy to move on site" patented technology

The invention relates to a leakage rate detection method and a system for a containment of a nuclear power station, which include that S1, through a data collection device, a data collection computer respectively receives temperature information in the containment collected and sent by a temperature probe in real time, humidity information in the containment collected and sent by a humidity probe in real time and pressure and atmosphere information in the containment collected and sent by a pressure probe in real time; and S2, a data processing computer receives all information collected by the data collection computer in the step S1, and calculates and outputs the leakage rate of the containment through a second display. A leakage rate detection system for the containment of the nuclear power station is further provided.

The invention provides a hoisting device and a hoisting method. The hoisting device is used for integrally hoisting a cabin and a generator of a direct-drive wind turbine, wherein the cabin and the generator are assembled together. The hoisting device contains a T-shaped hoisting beam which has a first end and a second end and a third end which are disposed opposite to each other; a first rigging group which is connected to the first end of the T-shaped hoisting beam; and a second rigging group which is connected to the second end and the third end of the T-shaped hoisting beam, wherein the first rigging group is connected to eachhangerof the cabin and the second rigging group is connected to each hanger of the generator. Therefore, the hoisting device can integrally hoist the cabin and the generator of the direct-drive wind turbine, wherein the cabin and the generator are assembled together.

The invention relates to a high tension transmission line comprehensive tester which is structurally characterized in that a data testing calculation unit is connected with a power supply module, a pulse width modulation (PWM) control unit, a direct current constant voltage constant current source, an impedance matching unit, a standard resistor, a measured line resistor, a relay control unit, a storage and printing unit, a display unit and a keyboard. The PWM control unit, the direct current constant voltage constant current source, a power supply filtering unit, the impedance matching unit, the measured line resistor and a standard resistor are sequentially connected. The relay control unit is connected with an interference voltage detection unit and the impedance matching unit. The resistance-capacitance voltage dividing principle is utilized to measure the static induction voltage under 20kV, a disperse Fourier development technology is adopted to test line loop resistance, digital filtering is utilized to remove alternating current components, only direct current components are measured, and direct current voltage of the line can be still measured accurately after alternating current is overlapped. The tester provides accurate data for fixed value setting of a line automatic device and ensures that a power system runs safely and reliably.

The invention relates to the technical field of power installation equipment, and provides a corner line laying pulley. The corner line laying pulley comprises a support, a pulley fixed at one side of the support, and a fixation apparatus arranged at the other side of the support; the pulley comprises guiding pulleys and a supporting pulley which are arranged to be vertical to each other, and the two guiding pulleys are respectively arranged at the two sides of the supporting pulley; and the fixation apparatus comprises two fixation side plates hinged to each other. The corner line laying pulley is simple in structure and convenient to use, can fix the pulley at a corner of a building, enhances the contact area between the pulley and the building, protects the building from being damaged, effectively prevents a cable from unlocking and is higher in adaptability due to an adjustable included angle between the two fixation side plates.

The invention discloses a multi-head slitting saw for plate materials, which comprises a cutting part. The cutting part is provided with an electric control part. The cutting part includes a crosscutting part and a longitudinal cutting part. On the lower station of the cross-cutting part, and the stations on both sides of the cutting part are also equipped with transmission parts; wherein, the cross-cutting part includes a cross-cutting saw connected by a telescopic assembly, and the slitting part includes a cross-cutting saw connected by a telescopic assembly. of two slitting saws. Beneficial effects of the present invention: In the present invention, the cross-cutting part and the longitudinal cutting part respectively adopt a corresponding motor to drive two rotary cutting saw heads to cut, which has the advantages of high efficiency and stable cutting, and the longitudinal cutting and cross-cutting head parts It adopts an inverted type and the effective cutting height of the saw blade can be adjusted. It has the functions of less dust and safer cutting during cutting operations. Its equipment is equipped with 2 universal wheel sets and 2 directional wheel sets to facilitate on-site mobile and fixed equipment.

The invention relates to a pole for assembling power transmission towers. Each power transmission tower comprises a tower body and a cross arm. The tower bodies are vertically arranged, and the cross arms are transversely arranged on the tower bodies. The pole comprises upper end sections, standard sections and lower end sections and is provided with stay wires. The upper end sections, the standard sections and the lower end sections are sequentially arranged from top to bottom, and the stay wires are connected with the power transmission towers; the upper end sections, the standard sections and the lower end sections are connected with one another by rectangular connecting pieces, bodies of the standard sections are rectangular frames, the rectangular frames comprise main pipes and adjacent inclined pipes among the main pipes, and the main pipes are vertically arranged; the stay wires extent to the tower bodies from the top of the pole and are supported by brace rods which are horizontally arranged on the power transmission towers. According to the technical scheme, the pole has the advantages that the problem of excessively large included angles between ground stay wires of existing poles and the horizontal plane can be solved by the aid of the pole, and the pole is light and stable and is easy to carry.

The invention discloses a secant pile guiding wall formwork, a secant pile guiding wall formwork structure and a construction process. The guiding wall formwork comprises a plurality of secant pile modules which are spliced in sequence, wherein the diameter of the secant pile modules is the same as that of secant piles. The construction process includes the steps that the secant pile modules are sequentially installed on the construction site according to the design requirement, and the secant pile modules are fixed by using rebar; secant pile guiding wall construction is performed on the twosides of the secant pile modules; after the strength of an secant pile guiding wall reaches the designed strength, the secant pile modules are disassembled; and secant pile construction is performed.According to the secant pile guiding wall formwork, the secant pile guiding wall formwork structure and the construction process, construction is easy and convenient, the construction period can be effectively shortened, the construction cost is lowered, and good practicability and safety are achieved.

The invention discloses an energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus. The multifunctional power distribution detection apparatus comprises a charging input socket, an inversion alternating current output socket, a charging management module, an alternating current signal source output interface, an alternating current signal source output monitoring device, an alternating current signal source output linear adjustment rotary knob, an energy storage residual electric quantity indicator, a direct current power supply output interface, an alternating voltage signal source output interface, an alternating voltage signal source output monitoring device, an alternating voltage signal source output linear adjustment rotary knob and a general operating switch of the host. The energy storage conversion self-power-supply mode based multifunctional power distribution detection apparatus can supply stable power supply, simplify the kinds of the onsite instruments and improve the working efficiency of the operation and management of the power grid.

The invention relates to a large-tonnage anchor rod simple static-pressure-pile pressing frame. The large-tonnage anchor rod simple static-pressure-pile pressing frame is characterized in that a reinforced concrete pile bearing platform (10) serves as a fixing foundation, pre-buried anchor rods (12) are arranged in the reinforced concrete pile bearing platform (10), the lower portions of pile pressing frame twisted steel (8) are connected with the pre-buried anchor rods (12) through pre-buried anchor rod connectors (9), a top steel plate (2) is arranged on the upper portions of the pile pressing frame twisted steel (8) and fixed through top steel plate fixing nuts (3), an electric block (1) is fixed on the top steel plate (2), a pile pressing frame counter-force plate (5) is arranged below the top steel plate (2) and fixed on the pile pressing frame twisted steel (8) through pile pressing frame counter-force plate fixing nuts (4), an oil jack (6) is arranged below the pile pressing frame counter-force plate (5), and the lower portion of the oil jack (6) is pressed on a steel pipe (11) through a steel base plate (7). After being disassembled, the large-tonnage anchor rod simple static-pressure-pile pressing frame is light in weight, quite easy to transport and carry in site, convenient to install and rapid and convenient to operate.

The invention relates to a movable oilfield nitrogen making liquefaction device which comprises a high-pressure nitrogen production unit and a liquid nitrogen preparation unit. High-pressure nitrogen is used for direct expansion refrigeration, parts of circulating refrigerant nitrogen media are used as refrigerants for indirect refrigeration, the nitrogen is liquefied, and energy is saved. The device is compact, convenient to adjust, continuous in operation, safe, reliable and convenient in on-site movement.

The invention relates to an instrument testing the sand deflation quantity.It comprises the supersonic sensor and single chip data collecting counting circuit. The supersonic sensor connects with the single chip data collection counting circuit interface through the conveyer belt. It solves the bigger difference of long term wind force sand theory and real testing value, using this instrument to determine the specific sand conveying rate for resource accumulation. It is small in size, easy for carrying, high in sensitivity, big in measurement scope, storable, checking and deleting testing value.

The invention discloses a detachable and reusable mold for concrete floor system construction. The detachable and reusable mold takes a base mold with a cavity appearance as the core, comprises combined parts such as a top mold, a bottom mold, a side mold, a corner mold and an annular mold, can be used for construction of ordinary beam plate structures and particularly can meet the requirements for construction molds of novel complex structures such as the dense rib structure with flanges designed at the bottoms of dense ribs, secondary ribs and secondary secondary-ribs designed to top platesand stiffening ribs designed to webs, the dense rib structure without webs and the dense rib structure with the punched webs. Compared with a dense rib structure constructed by a traditional plastic mold shell, according to the novel dense rib structure, the concrete use quantity is smaller, the rib distance is more reasonable, and the structure is more economical; and compared with the traditional plastic mold shell, the combined type mold is more convenient to produce, carry, mount and detach.

The invention relates to a construction method of a shed tunnel and steel corrugated plate combined type wind-snow prevention system. The construction method comprises the following steps that 1), carrying out construction preparation; 2), supporting and erecting a curved beam side mold and a curved beam bottom mold; 3), hoisting a beam reinforcement cage; 4), carrying out concrete pouring construction on an arc-shaped cross beam; 5), carrying out laying construction on filling wall body; 6), carrying out lintel construction on core columns and window holes; and 7), carrying out installation construction on corrugated plates. The construction method has the beneficial effects that the curved beam side mold and the curved beam bottom mold are convenient in supporting and erecting, mountingand positioning treatment, the template structure integrity is good, the template limiting strength is high, meanwhile, a template supporting system is prone to move on site and high in bearing capacity, and the construction difficulty of template supporting and erecting can be effectively improved; the reinforcement cage is convenient to hoist and connect, the reinforcement cage is prone to locate on site, and the damage of reinforcement cage on site hoisting to the reinforcement cage can be reduced; and arc-shaped cross beam concrete pouring is prone to control, and the concrete compactnessis convenient to control.

The invention provides a portable partial discharge detector for an insulating switch. The detector comprises an insulating switch body, an external ultrahigh frequency (UHF) sensor, an external probe, a communication interface, a noise identification unit, a signal processing unit and a setting unit, and application units such as a data display unit, a storage unit, a search unit and the like, can display measured data in real time, and facilitates data storage and retrieval. The detector has safe and reliable performance and high applicability, and also has the characteristics that: the detector can be moved on site, has light weight, and is more convenient to use.

The invention discloses a power frequency parallel resonance withstand voltage test method based on incomplete compensation. The method comprises the steps of (1) establishing a withstand voltage testmodel of power frequency parallel resonance based on incomplete compensation, (2) comparing the value IC of capacitive current flowing through a tested product in the withstand voltage test model anda rated output current value I2 of a high voltage end of a power frequency step-up transformer in the withstand voltage test model, calculating an inductance Lq of a compensating reactor which needsto be connected to two ends of the tested product in parallel in full compensation if IC is larger than I2, connecting two ends of the tested product with the compensating reactor in parallel to perform compensation, executing step (3), and performing a withstand voltage test if IC is less than or equal to I2. According to the method, the capacity requirements for the power frequency step-up transformer and a field power frequency test power supply are greatly reduced, and the volume and weight of the power frequency step-up transformer are reduced.

The invention relates to the technical field of lighting, in particular to a movable and portable type emergency lighting lamp tower. The movable and portable type emergency lighting lamp tower comprises an electric appliance tank, a lifting mast arranged on the electric appliance tank and a lifting device arranged inside the electric appliance tank and used for lifting the lifting mast; a lighting device is arranged at the upper end of the lifting mast; the lighting device and the lifting device are electrically connected with a power source device arranged inside the electric appliance tank;and a control panel used for controlling the lifting device and the lighting device to work is arranged on the outer surface of the electric appliance tank. The movable and portable type emergency lamp tower is simple in structure, the lighting device is driven to lift through arrangement of the lifting device, physical power output for manually implementing the lifting task of the lighting device is reduced, and the working efficiency is improved. The lighting device and the power source device are designed integrally, the movable and portable type emergency lighting lamp tower can be stored, put into a warehouse, taken out of the warehouse and carried on site conveniently, the carrying time is shortened, and the need of emergency repair is met.

The invention relates to an assembly type high-speed rail platform cross-line platform which comprises a beam frame assembly and a movable supporting frame, and the movable supporting frame is arranged on the ground between rails of adjacent platforms. Wherein the beam frame assembly comprises a first beam body and a second beam body, the first beam body is arranged on the platform ground and the movable supporting frames, the second beam body is arranged between the adjacent movable supporting frames, and the beam frame assembly and the movable supporting frames are assembled to form the diversified obstacle crossing platform. According to the assembly type high-speed rail platform line-crossing platform, the adjacent platform grounds serve as supporting points, the multiple movable supporting frames are arranged between the adjacent platforms to serve as auxiliary supporting points, the beam frame assemblies are built between the platform grounds and the movable supporting frames, and the barrier-crossing platform is rapidly assembled. The assembly type high-speed rail platform cross-line platform is light in dead weight, high in universality, convenient to transport and carry on site, easy to disassemble and assemble, light, fast, safe, reliable and high in strength.