216results about How to "Quick wiring" patented technology

The invention relates to the field of experiment-teaching equipment of 'Structural Mechanics' in colleges and universities; the products of the invention are mainly applied to the experiment teaching of rigid frames, trusses and combined structures in beam structures; the invention is characterized in that: a node plate adopts a split structure, the trusses are arranged between two node plates, a weak connection with a particular shape is arranged on an articulated node plate, and a relatively ideal articulating node can be obtained by utilizing the mechanical property that the weak connection can transmit a relatively large axial force but only can transmit a very small bending moment. By choosing a reasonable connecting way between a rigid node plate and the trusses, the influences on the testing result made by the size effect of the rigid node plate is reduced and a relatively ideal rigid node can be obtained. The node property and the support property can be transferred conveniently. All the tests can realize electrical testing by using the computer data collecting and analyzing. The application of the computer data collecting and analyzing system not only facilitate data collection, but also enriches the experiment-teaching means, which is beneficial for carrying out open experiment-teaching.

The invention discloses a fast wiring interlocking electrical connector, which comprises a plug and a socket. The plug mainly comprises a cover plate, a base, a wire locking mechanism and a sliding block, wherein the base comprises an elastic locking mechanism which is arranged outside the base; the wire locking mechanism and the sliding block are arranged in the base. The socket mainly comprises an integral base and monolithic Z-shaped compound spring leaves, wherein the tail ends of the Z-shaped spring leaves have a needle eye-shaped flexible pressure-welded structure and a rectangular welded structure respectively. The plug realizes fast wiring and wire locking by pushing the intermediate sliding block to commonly drive the opening and closing of wiring holes of two wire clamping springs. The elastic locking mechanism of the base realizes interconnecting locking and unlocking with the socket. The socket realizes the regulation of a contact distance between two poles and a distance between holes reserved at a board end. Simultaneously, the connector still has the advantages of simple structure, convenience and high speed of use, high connection reliability, high current carrying capability and the like.

The invention discloses an energy-saving inverter test circuit which is characterized by comprising a reference voltage generating unit, an electric reactor, 2N tested inverter units and a controller unit. Power of inverters in the same group of tested inverter units is equal. The inverter circuit can be composed of part insulated gate bipolar translators (IGBT) which is capable of being closed. The controller unit controls two tested inverter units in the same group, one tested inverter unit works in a sending inductive reactive state, and the other one tested inverter unit works in a sending equivalent capacitive reactive state. The N is a positive integer. The control method comprises the steps of a) connecting the tested inverters, b) detecting signal connection, c) charging a bus, and d) outputting voltage with the same frequency and the same phase, and achieving reactive power hedging. According to the energy-saving inverter test circuit, a connecting manner is rapid and convenient to achieve, a total power test of a high-power inverter unit can be achieved in a condition that a preceding stage input capacity is small, electric energy and test cost are effectively saved, and the test manner is efficient and energy-saving.

The invention discloses an operation protection control system for tamping wagon. The operation protection control system comprises a lower motherboard and a program-controlled motherboard, wherein the lower motherboard is used for acquiring a track lifting operation analog quantity and a track lining operation analog quantity, and converting the analog quantities into digital quantities; the lower motherboard is used for calculating a total track lifting quantity according to the track lifting operation digital quantity, calculating a total track lining quantity according to the track lining operation digital quantity, judging whether an operation blocking condition is satisfied or not according to the total track lifting quantity and the total track lining quantity, and transmitting a judgement result to the program-controlled motherboard; when the program-controlled motherboard receives an operation blocking signal, a program-controlled logical signal of a corresponding operation action is eliminated, and an electric signal of a corresponding operation control valve is cut off. By adopting the operation protection control system, the technical problems of severe accidents such as over track lifting, over track lining, even circuit damage and smashing of steel tracks since a conventional tamping wagon cannot implement self-protection during operation and an operation mechanism does not stop running in an emergency can be solved.

The invention relates to an indicator diagram acquisition device and method based on electric power and balance weight. The device is mounted in a pumping unit control system and comprises an electrical parameter acquisition module, a communication module, a dead point recognition module and an industrial computer, wherein the electrical parameter acquisition module acquires running current, voltage and power of the device through a single detection component, the dead point recognition module measures a lower dead point of a pumping unit crank during moving, the communication module transmitsdata acquired by the electrical parameter acquisition module and the dead point recognition module to the industrial computer and receives a command of the industrial computer and transmits the command to an industrial computer power supply control module, the industrial computer receives data uploaded by the electrical parameter acquisition module through the communication module and runs an indicator diagram computing algorithm to output an indicator diagram. Conventional sensor measurement is replaced by computing, mounting load and displacement sensors at a horsehead, a walking beam and the like is not required, the service life is extended, operational difficulty and risk are lessened, and maintainability of the device is improved.

A fast wiring module capable of being connected parallelly comprises an insulating casing and at least one conductor, wherein at least one first wiring hole and at least one second wiring hole are arranged in the insulating casing and are arranged on the same plane, wherein the axial directions of the first wiring hole and the second wiring hole are connected in acute angle mode, the conductor is arranged between the first wiring hole and the second wiring hole, and a cage-shaped spring wiring terminal is arranged in the first wiring hole. The wire inlet direction and the wire outlet direction are arranged in the acute angle mode, so that wiring operation can be performed from the front side of the insulating casing, and installation space can be reduced. The cage-shaped spring wiring terminal facilitates fast wiring and improves working efficiency. A conductor in the second wiring hole adopts inserting and pulling structure, so that wiring is flexible and convenient. A plurality of conductors are respectively arranged in ducts formed by insulating members to form a plurality of layers of flat cables, the wiring is compact, and space is saved. When the diameter of a connection wire is large, the connection wires with the same current can be replaced with two conductors small in diameter, and the problem of difficult wiring of large-diameter wires and infirm wiring can be solved.

The invention relates to an oven movable enamel covering machine mainly comprising a frame and an oven provided with an oven tunnel, and the enamel covering machine also comprises a slide rail, an oven tunnel gate, a lifting groove and a lifting device. The lower part of the oven tunnel gate replaces the anterior and lateral wall of the oven tunnel to insert in the oven tunnel, the oven tunnel gate is controlled by the lifting device to lift and go down along the lifting groove in the frame and the slide rail is arranged between the bottom side or lateral wall of the oven and the frame. The oven can move back and forth on the frame after the oven tunnel gate lifts to push the oven into the frame, so the enamel wire can be directly arranged between the speed control wheels at the two ends, and then the oven is drawn out to the set position to make the enamel wire to be baked return to the oven tunnel. The oven movable enamel covering machine has the advantages of a simple and reliable structure, being convenient to use, reliable operation and being fast to arrange wires, etc., greatly reducing the labor intensity and improving the work efficiency. The enamel covering machine is particularly suitable for painting superfine enamel wires.

The invention relates to a bus T-type head device, consisting of a box body, a bottom box, an aerial plug and screws, wherein a socket is welded on a signal cable, and the socket is fixed on the box body through a screw; the box body is sheathed on the bottom box and is fixedly connected by a screw. The box body is hollow with five surfaces and no bottom surface; the bottom box is provided with six column bodies which are protruded on a bottom plate; the aerial plug consists of the socket, a plug and a tail attach; the screws are standard connectors. A manufacturing method of the bus T-type head device has seven steps: 1. purchasing and inspecting raw materials; 2. using metallic aluminium plates to process the box body and the bottom box; 3. carrying out anodizing treatment on the box body and the bottom box; 4. welding the aerial plug; 5. conducting test; 6. assembling and connecting the screws; and 7. testing tensile strength of the bus T-type head. The bus T-type head device can lead hardware personnel to distribute wires fast according to the specific requirements, effectively reduce the connecting time of the hardware wires, and improve the standardability, reliability and easy maintenance of the hardware wires. In addition, the invention has wide practical value and application prospect.

The invention discloses a power metering detector, and the detector comprises a power supply, a single-chip microcomputer, a storage unit, an LCD display screen, a power grid voltage and a power grid current. A voltage transformer is electrically connected with the single-chip microcomputer through a phase locking ring, and the single-chip microcomputer is electrically connected with a wireless communication module. The wireless communication module is in wireless electrical connection with a remote monitoring terminal. The voltage and current signals are obtained through a current clamp. The detector is convenient, quick, safe and clear in wiring, and greatly improves the safety factor. The detected data are directly stored in an internal storage unit through built-in computing software. The remote monitoring terminal, which is connected through the wireless communication module, also can monitor and record the electric quantity of a meter.

A quick terminal structure comprises a support. A cage spring is arranged in the support. A rectangular hole is reserved at one end of the cage spring, and the other end of the cage spring runs through the rectangular hole and deviates under elasticity. A third bend is arranged on the cage spring. An insulation block is arranged in the support, and comprises a movable side surface, the movable side surface has a first retaining position and a second retaining position in the support, the second retaining position and a closed ring inner area are crossed and overlapped partially, and an elastic piece is made of a conductor or is connected with a conductor. An external conductor wire is clamped by the rectangular hole and the cage spring, quick connection is realized, and complicated operation of connection by screws in the prior art is overcome. As the conductor wire is compressed by the spring, the problem that the screws are easy to be loose during work in vibration is solved. By the aid of the third bend, the insulation block compressing the cage spring is locked, thereby bringing convenience for a person to complete connection operation intensively with both hands.

The invention aims at solving the problems in the prior art that armored cable stripping requires a lot of manpower and time, marine operations are inconvenient and that the life safety of operation personnel is threatened. The invention provides a submarine cable traction structure, comprising a traction connector, a sealing tube, a sealing head and a traction net cover, wherein the traction connector is hermetically connected to one end of the sealing tube, and the sealing head is connected to the other end of the sealing tube; a seal connection sleeve with a cable matching hoe is connected to an inner side face of the sealing head; and the traction net cover is arranged in the sealing tube, and the front end of the traction net cover is connected with the traction connector. The invention further provides a mounting method of the submarine cable traction structure, used for connecting the submarine cable traction structure with a cable. The submarine cable traction structure provided by the invention has the beneficial effects of providing a good sealing space for the cable, and can tract the cable after stripping off the armor of the cable at first, thereby effectively saving the marine operation time, reducing the manpower workload and cost and making the wiring of submarine cables of an offshore wind turbine be more convenient, quicker and safer.

An electrical cable wiring head apparatus is provided to rapidly wire an electrical cable while more effectively restraining the electrical cable from floating. An electrical cable wiring head device of the electrical cable wiring head apparatus moves along a wiring surface of a wiring plate to wire an electrical cable on the wiring surface. The electrical cable wiring head device comprises: a head section supported rotatably about a rotary axis and provided with a guide recess for leading the electrical cable to the wiring surface, the guide recess being offset from the rotary axis; a head rotating mechanism for rotating the head section; a guide pushing member including a shaft portion and a roller portion provided rotatably on a distal end of the shaft portion, the guide pushing member being supported movably along the rotary axis; and a guide pushing member drive mechanism for reciprocating the guide pushing member.

The invention relates to a matched test desk of an intelligent solar photovoltaic junction box comprehensive test instrument and provides a matched test desk of photovoltaic junction box test equipment, and the matched test desk is applicable to testing a photovoltaic (solar) battery pack junction box. The matched test desk comprises a gantry fixing frame, a wire box slidable locating plate, sliding guide rails, a test junction box, a movable sliding block, test probes, an upper locking and spacing mechanism, a right guide pulley clamping mechanism, a rapid power supply clamping seat, a workbench, a test communication lines, a test power line, a test instrument and a manual lever device, wherein the gantry fixing frame is arranged at the upper part of the workbench; the movable sliding block is arranged in one group of sliding guide rails; a test fixture is provided with a plurality of test probes; the test communication lines are welded on the tail parts of the test probes and are used for feeding back a measured quantity of signals to the test instrument; the manual lever device is arranged at the upper part of the gantry fixing frame; the upper part of the workbench is provided with the rapid power supply clamping seat; and the power input end of the rapid power supply clamping seat is connected with the output end of the test instrument power supply by virtue of the test power line.

A switch control apparatus for electric plants includes, a box-like body which is adapted to be anchored to a fixed o movable part of an electric plant and has a closing panel with at least one passage therethrough, at least one contact unit which is accommodated in the box-like body at the passage and is adapted to be electrically connected to at least one respective electric circuit of the plant for selective open/close control thereof, at least one actuator which is adapted to interact with the contact unit for the latter to ensure selective opening/closing of the respective circuits, an anchor system for anchoring the contact unit to the actuator. The anchor system includes a container member which is adapted to enclose and contain the contact unit and to be anchored to the closing panel in the box-like body for stably securing the contact unit on the actuator.

The present invention belongs to the field of electrical equipment and relates to an electric energy meter. The electric energy meter comprises an electric energy meter housing; the electric energy meter housing includes a housing main body and a terminal seat; the terminal seat is disposed at one end of the housing main body; the terminal seat includes a plurality of assembly cavities; each of the assembly cavities includes an assembly top wall and an assembly cavity opening, a first opening being formed in the assembly top wall; the assembly top wall and the assembly cavity opening are respectively disposed at the upper end and lower end of the assembly cavity; an insertion-connection female connector connected with the internal circuit of the electric energy meter is disposed in each assembly cavity, wherein the insertion-connection female connector is fixedly connected to the corresponding assembly top wall; the housing main body includes a main body opening corresponding to the assembly cavity opening; and the insertion-connection installation of the electric energy meter can be realized through the insertion-connection female connector. The invention also relates to an electric energy meter box. The electric energy meter box comprises an insertion-connection male connector; the insertion-connection male connector is in insertion-connection matching with the insertion-connection female connector of the electric energy meter; and the insertion-connection male connector is connected with an external connection wire; and the quick installation of the electric energy metercan be realized.