404 results about "Control line" patented technology

The invention discloses a quick mounting method for an assembly type prefabricated column. The quick mounting method comprises the steps that S1, a working face is prepared; s2, component hoisting: when the prefabricated column is adjusted to be 200-300mm away from the ground by a crane, trial hoisting is performed, a component hoisting appliance is adjusted to be horizontal, and after each hoisting point is uniformly stressed, the corresponding component is hoisted to a construction position; s3, a collimator is installed and calibrated, the collimator is adsorbed to the prefabricated column reinforced concrete structural surface, a laser horizontal positioning module on the collimator is started, and the laser horizontal emission state is automatically calibrated through an electronic level meter; s4, pre-positioning the prefabricated part, hanging the prefabricated column to a position 200mm away from the mounting surface, pausing the prefabricated column, and preliminarily adjusting the direction of the column body on the basis of the set mounting reference control line, so that the mounting reference control line is preliminarily aligned with the laser beam; and S5, accurately positioning and adjusting the prefabricated part, observing the overlap ratio of the mounting reference control line and the laser beam by an operator, finely adjusting the spatial position of the prefabricated column, and mounting and fixing when the mounting reference control line completely coincides with the laser beam.

The invention provides an illumination system without arranging a control line. The illumination system comprises a control panel, an illumination driving power supply, a power line, a first power line carrier module and a second power line carrier module, the first power line carrier module is used for modulating a control signal of the control panel to a power line, and demodulating and feeding back state information, monitored by the second power line carrier module, of the lighting driving power supply to the control panel; the second power line carrier module is used for demodulating a control signal sent to a power line by the first power line carrier module to the dimming driving power supply, and the first power line carrier module in the control panel and the second power line carrier module in the lighting driving power supply have the same signal control protocol. And the first power line carrier module and the second power line carrier module are responsible for realizing communication of signals of the control protocol through a power line, so that intelligent control of the lighting system is realized without arranging a control line.

Disclosed are systems, apparatuses, and methods for a suspended load control system which controls tension on a winch control line in order to decrease latency between movement or rotation of the load control system and the load and reduce a reaction time between movement or rotation of the load control system and the load.

The utility model provides a plug-in type intermediate relay which comprises an insulating shell and a control coil, the upper end of the left side of the insulating shell is provided with a group of branching jacks I used for conducting current branching, and the upper end of the right side of the branching jacks I is provided with a plurality of groups of branching jacks II used for conducting current branching. The upper end of the right side of the second branching jack is provided with a group of third branching jacks used for conducting current branching, the middle position of the insulating shell is provided with a group of plug heads used for facilitating plugging of the relay body, and the front side and the rear side of the interior of the right side of each plug head are each provided with a group of rotation dampers used for limiting power storage rotation of the positioning frame. Compared with the prior art, the utility model has the following beneficial effects: the rotation damping is used to limit the force storage rotation of the positioning frame, the inner insulation spacer is used to carry out protective clamping on the relay main body, the control coil is used to change the working state of the control circuit, and the waterproof embedding seat is used to prevent wet gas from entering.

The invention relates to a method (200) for operating a linear transport system (100), wherein the method comprises; Controlling a first energy transfer coil (123) of a motor module (117) of the stationary unit (103) with an operating voltage (U) to generate an alternating magnetic field by a control unit (119) of the linear transport system (100) in a control step (201), wherein a synchronization signal (S) is integrated into the operating voltage (U); Reading out a voltage (U_ind) induced by the alternating magnetic field in the second energy transfer coil (125) of the at least one moving unit (101) and detecting the synchronization signal (S) by a subcontrol unit (121) of the moving unit (101) in a readout step (203); and Performing a synchronization between the control unit (119) of the linear transport system (100) and the sub-control unit (121) of the moving unit (101) based on the synchronization signal (S) by the sub-control unit (121) of the moving unit (101) in a synchronization step (205). The invention further relates to a linear transport system (100).

The utility model provides a concrete elevation control device which comprises a fixing part and a positioning part, the fixing part comprises a spool and a plurality of standard lines, each standard line is wound on the spool, the positioning part comprises an adjusting part and a positioning part used for positioning concrete elevation, the adjusting part is arranged at the bottom of the spool, and the positioning part is arranged at the bottom of the spool. The positioning piece is movably connected with the adjusting piece so as to adjust the vertical height. According to the utility model, the at least two standard lines respectively correspond to the elevation control line and are fixed, the adjusting piece is suspended on the template capable of bearing concrete by using the plurality of standard lines, the bottom of the adjusting piece is propped against the top of the template, and the concrete elevation can be positioned through the positioning piece; the device can be detached after being used. The device has the advantages of being simple in structure, low in manufacturing cost, capable of being used repeatedly, capable of improving concrete pouring quality and construction efficiency and capable of reducing labor and maintenance cost.

The invention relates to the field of flow control of turbine mechanical parts of aviation gas turbine engines, in particular to a non-axisymmetric end wall transverse pressure distribution design method and system.The method comprises the steps that the range of a non-axisymmetric end wall profile covers the area from the front edge to the tail edge of a blade in the axial direction; a transverse end wall profile control line is arranged at the separation starting position of the flat end wall blade grid corner area; giving transverse distribution of static pressure coefficient variation on the end wall profile control line; calculating a target static pressure value of the non-axisymmetric end wall at a corresponding axial position based on the transverse distribution of the variable quantity of the static pressure coefficient and the transverse distribution of the static pressure coefficient of the flat end wall cascade at the corresponding position; and performing three-dimensional inverse problem design according to the target static pressure value of the non-axisymmetric end wall at the corresponding axial position to obtain a corresponding non-axisymmetric end wall profile. The method disclosed by the invention can be used as a non-axisymmetric end wall universal design method for improving the flow of the end area of the compressor blade.

1. Name of the Design Product: Dimming Control Wire (Rice Shape). 2. Use of the Design Product: Dimming switch for live broadcast lights, table lamps, fill lights, ring lights, panel lights, and neon lights. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photo that Best Illustrates the Design Key Points: Perspective View 1.

The invention relates to the technical field of gas water heater control, and discloses an ignition control method of a gas water heater controller and a gas water heater, the ignition control method comprises the steps that a feedback signal sent by a driving controller of a direct current fan is received, and the feedback signal carries a signal duty ratio and a signal frequency; the signal type of the feedback signal is judged based on the signal duty ratio of the feedback signal, the signal type comprises an identification signal and a rotation speed signal, and the identification signal and the rotation speed signal correspond to different duty ratio ranges respectively; and if the feedback signal is the rotating speed signal, the gas water heater is controlled to ignite and heat based on the signal frequency of the feedback signal. According to the method, the feedback signal sent by the direct-current fan is recognized, so that the gas water heater is controlled to ignite and heat under the condition that the direct-current fan sends the rotating speed signal, the situation that the recognition signal is mistakenly used as the rotating speed signal and mistakenly ignited under the condition that the direct-current fan is not started due to the fact that the control line is abnormal is avoided, and the safety of a product is improved.

The utility model relates to the technical field of fans, in particular to a knob fan. Comprising a U-shaped frame, an electric fan and a control system, a shell of the electric fan is rotationally fixed to a U-shaped frame, an air inlet grille is arranged on the rear side of the shell, a front shield is arranged on the front side of the shell, a through hole is formed in the center of the front shield, a knob with a touch screen is arranged in the through hole, a motor stator is fixed to the inner side of the air inlet grille on the rear side of the shell, and a control box and a mosquito repelling piece heating device are arranged in the center of the air inlet grille. The control circuit board is arranged in the control box, a hollow shaft is arranged in the center of the motor stator, the knob with the touch screen is fixed on the hollow shaft, and the wire with the knob with the touch screen is connected into the control box through the hollow shaft. And the front shield and the shell adopt a clamping structure. The knob with the touch screen adopts a microwave oven knob structure, a shell is arranged outside the touch screen, a spring is arranged below the touch screen, the function is started by pressing the gear of the touch screen, the fan gear and a mosquito repelling piece heating device switch can be selected by rotating the shell, the time can be set, and the time can be displayed on the touch screen when the touch screen is popped up.

Provided is a device sealed with a magnetic liquid. The device includes: a rotary shaft, a tank body, a control unit, a first module, a second module, a magnetic liquid, and a pole-tooth. The first module and the second module are in the same configuration, each consists of an outer shell, a left pole-shoe, an electromagnet, a control wiring, a right pole-shoe, and a circlip. The device includes at least two modular structures; the control unit controls a first electromagnet and a second electromagnet to be magnetized to alternately bear a sealing role.

An aviation turbine shaft engine over-rotation protection execution mechanism detection device comprises an oil way system and a control circuit, and the oil way system comprises an oil tank, a direct-current electric pump and a two-position three-way electromagnetic valve; a normally open loop of the electric pump and the electromagnetic valve and the oil tank form a circulating oil path through an oil pipe; a normally closed loop of the electromagnetic valve is connected with an oil inlet of the aviation turboshaft engine over-rotation protection execution mechanism test piece, and an oil outlet of the over-rotation protection execution mechanism test piece is connected with the oil tank through an oil pipe; the control circuit comprises a power switch, a detection switch and a two-position three-way electromagnetic valve; the power switch controls power supply of the direct-current electric pump, and the detection switch controls power supply of a control coil of the two-position three-way electromagnetic valve and a test piece of the aviation turbine shaft engine over-rotation protection executing mechanism. According to the utility model, an integrated box type design is adopted, the size is small, the structure is simple, an onboard direct current 27V power supply is used for supplying power, the external field use requirement of a helicopter can be met, and the working condition of an aviation turbine shaft engine over-rotation protection executing mechanism can be conveniently detected.

A heating appliance (1) is proposed, comprising a conveying device (2) for conveying combustion air to a burner (3), a Venturi device (15) arranged downstream of the conveying device (2), and a gas valve (5) connected to a gas supply (8). A control line (17) is connected downstream of the Venturi device (15) to the gas valve (5) with respect to a flow direction (16) of the heating appliance (1), and the gas valve (5) is configured to adjust the fuel gas flow rate to the reference pressure of the control line (17). The heating appliance (1) enables an extended modulation range, in particular allowing the operation of the heating appliance (1) at high power levels. Furthermore, a method for commissioning the heating appliance and a computer program are described.

The application discloses a vertical take-off and landing fixed-wing unmanned plane convenient to disassemble and assemble, and belongs to the field of unmanned planes, which comprises a fuselage, two main wings respectively installed on the two sides of the fuselage, a traction assembly installed on the front part of the fuselage, a tail wing installed on the tail part of the fuselage, an avionics system installed in the fuselage and a main power supply for supplying power to the avionics system, the traction assembly and the rudder machine on the tail wing, and vertical take-off and landing mechanisms are detachably and fixedly connected to the two main wings; the vertical take-off and landing mechanism comprises an arm and two lift assemblies respectively installed on the two ends of the arm; the two ends of the arm extend to the front and rear of the main wing respectively, a secondary power supply is further installed on the arm, the secondary power supply is electrically connected to the two lift assemblies through wires, and the lift assemblies on the arms and the secondary power supply are in communication connection with the avionics system through control cables. The application can add the vertical take-off and landing mechanism to the fixed-wing unmanned plane according to the requirement, so that the fixed-wing unmanned plane simultaneously has the flight advantages of two kinds of unmanned planes.

A hydraulically actuated mechanical lock assembly, including a lock actuator comprising a lock housing and a moveable element mounted in the lock housing, wherein the housing is arranged to receive hydraulic fluid at a first end (Chamber A) from a source of high pressure fluid via a return line, and at a second end (Chamber B) from a source of high pressure fluid via a control line, whereby the relative pressures in Chambers A and B are controlled, via the control line, to cause movement of the moveable element between a locked position and an unlocked position; and a lock valve arranged between the return line and the control line to control the flow of hydraulic fluid into Chambers A and B; wherein the return line is configured to be connected between the source of high pressure fluid and the lock valve via chamber A of the lock actuator.

This utility model discloses a control line for mechanical equipment, relating to the field of control line technology. It includes a first conductor, an outer sheath, and a wear-resistant component. The first, second, and third conductors are surrounded by a wrapping layer, with filler cotton thread filling the space between the wrapping layer and the conductors. A reinforcing layer is provided outside the wrapping layer, and armored steel wire is embedded within the reinforcing layer. An outer sheath is provided outside the reinforcing layer, comprising an inner protective layer, an insulating film, and a flame-retardant layer. An insulating film is provided outside the inner protective layer. A wear-resistant component is installed on the outer side of the outer sheath. In this mechanical equipment control line, the outer protective rings, with a ring-shaped structure, are equidistantly fixed to the outside of the outer sheath. Simultaneously, wear-resistant ridges, evenly distributed in an array, connect adjacent outer protective rings, providing wear protection to the outside of the outer sheath and preventing direct contact between the outer protective layer and the ground or external objects, thus avoiding wear.

The utility model provides a fixing tool capable of actively bending a pipe body bending control line, which comprises a base body and an upper seat body matched with the base body, the base body is provided with a first plane, the first plane is provided with a first half groove and a dispensing surface, the end part of the first half groove is provided with a first groove, the upper seat body is provided with a second plane, the second plane is provided with a second half groove, and the end part of the second half groove is provided with a second groove. A first groove is formed in the end of the first half groove, a second groove is formed in the end of the second half groove, a first dispensing groove and a second dispensing groove are formed in the dispensing face and communicate with the second groove and the second half groove, and when the upper base body and the base body are connected, the bending control wire cavity is inserted into the first groove or the second groove and attached to the pipe body. The first dispensing groove and the second dispensing groove are exposed, the dispensed position is determined through the first dispensing groove, the to-be-dispensed position is determined through the second dispensing groove, and the exposed position of the bending control line cavity and the pipe body is subjected to dispensing fixation, so that the position uniformity of glue points is ensured, and the position accuracy of the line cavity on the circumference is ensured.

The utility model relates to the technical field of control wires, and discloses a servo multifunctional control wire, which comprises a power wire core group, a control signal wire core group and an encoder signal wire core group, the surfaces of the power wire core group, the control signal wire core group and the encoder signal wire core group are all wrapped with insulating layers, the surfaces of the insulating layers are provided with inner shielding layers, and the inner shielding layers are provided with outer shielding layers. The inner shielding layer is formed by compounding an aluminum foil and a copper woven mesh, the surface of the inner shielding layer is provided with a filling layer, the outside of the filling layer is wrapped with a non-woven fabric to form a wrapping layer, and the surface of the wrapping layer is provided with an outer shielding layer. According to the servo multifunctional control line, the double-layer shielding design of the inner shielding layer and the outer shielding layer and the shielding mode of compounding the aluminum foil and the copper woven mesh are adopted, low-frequency electromagnetic interference and high-frequency electromagnetic interference are effectively shielded, and compared with a traditional single-layer shielding structure, the anti-interference capability is remarkably improved; and stable operation of the servo system in a complex electromagnetic environment can be ensured.

This utility model relates to the field of switch controller technology and discloses a four-button RGB switch control line structure, including: an upper shell, which is a hollow semi-capsule-shaped shell; a lower shell, which is located at the bottom of the upper shell; and a locking structure, which is located on the wall of the upper shell for docking the upper shell and the lower shell. The locking structure includes: a fixed plate, a support rod, an insert plate, and a contact frame. The fixed plate is symmetrically fixedly connected to the top opening of the lower shell, the support rod is fixedly connected to the wall of the symmetrical fixed plate facing each other, the insert plate is symmetrically fixedly connected to the bottom opening of the upper shell, and the contact frame is slidably connected between the symmetrical insert plates. The locking structure can dock and fix the upper shell and the lower shell by using a locking rod to engage in a locking groove. No screwdriver is needed during disassembly and installation, and there is no need to worry about losing parts.

The application discloses a wind power gear box guide shaft left end sealing structure with good sealing performance, a hollow guide shaft penetrates a left end and a right end in a wind power gear box, a fan variable pitch control line cable is passed through the hollow guide shaft and connected with a motor slip ring at the right end of the hollow guide shaft, a planetary carrier connecting part of a planetary carrier extends radially inward and an inner wall is opposite to a micro gap of an outer periphery of a shaft body II of the hollow guide shaft, an axial guide ring-shaped protrusion extending axially to the right to a sun gear inner hole is arranged at the outer periphery of the shaft body II of the hollow guide shaft, two radial O-shaped sealing rings are installed at intervals between the outer periphery of the shaft body II of the guide shaft and the inner periphery of the planetary carrier connecting part, a plurality of radial clamping grooves corresponding to a plurality of clamping blocks are arranged on the shaft body I of the hollow guide shaft, inner ends of the plurality of clamping blocks are clamped with the plurality of radial clamping grooves, and the sun gear is installed in the planetary carrier body and the inner hole of the sun gear surrounds the shaft body III of the hollow guide shaft.

The transport system comprises a plurality of linear motors arranged in a row and having a first guide rail, a curved second guide rail, the curvature of which is constant, and a control unit, at least one transport unit having a transport element and a carrier element, the transport element is movable in a movement direction along the first guide rail by means of a linear motor, and the carrier element is configured to move in the movement direction as the transport element travels along the first guide rail, the carrier element being movable relative to the transport element in a transverse direction extending transversely to the movement direction. And wherein the carrier element is guided at the second guide rail, the control unit being configured to control the linear motor to move the transport unit along the first guide rail.

A repair device and method for repairing damage around the leading edge of a wind turbine blade (20) are provided. The repair device includes a robotic maintenance device (40) and an unmanned aerial vehicle (UAV) (62) that can move the maintenance device (40) between a storage position and an operation position, the former being mounted on a blade (20) of the wind turbine (10). The UAV (62) hovers and remains connected to the maintenance device (40) during operations at the blade (20) to minimize a total operational downtime needed to conduct the repair actions. The UAV (62) is secured to the maintenance device (40) by at least one support line (68) that carries the weight load of the maintenance device (40) and at least two control lines (72) that prevent undesired rotations of the maintenance device (40), thereby improving precision and accuracy of UAV-driven movements of the maintenance device (40). A transport container (24) may also be provided to define the storage position, the transport container (24) including an elongated slot (70) for guiding movement of the lines (68, 72) and the maintenance device (40) during movements into and out of a storage space within the container (24).

The invention provides an operating element (100) for operating a machine (500) by an operator, a plurality of control lines for connecting an operating lever (103) with a control unit in at least one pair structure composed of a first wire harness (107) and a second wire harness (109) along an extension on the operating lever (103) to a receptacle (105), the first wire harness (107) extending from a first starting point (111) to the receptacle (105), the second wire harness (109) extending from a second starting point (113) to the receptacle (105), the first starting point (111) and the second starting point (113) being arranged spaced apart from the receptacle (105), the first wire harness (107) being connected to the receptacle (105) at a first connection point (117), the second wire harness (109) being connected to the receptacle (105) at a second connection point (119), the first connection point (117) and the second connection point (119) being arranged on a straight connection line (121) spaced apart from one another, the connection line (121) extending through a center axis (123) of the operating lever (103).

The utility model relates to the technical field of executing mechanism performance testing, in particular to a cylinder load testing device, which comprises an executing mechanism, a load mechanism and a middle connecting structure, the executing mechanism comprises an executing air cylinder and a first air cylinder control circuit used for controlling air inlet and air exhaust of the executing air cylinder, the load mechanism comprises a load cylinder and a second cylinder control circuit used for controlling air intake and air exhaust of the load cylinder which are connected in sequence; the middle connecting structure is used for connecting the executing mechanism and the load mechanism, and the executing air cylinder and the load air cylinder are arranged on the two sides of the middle connecting structure and both face the middle connecting structure; the execution air cylinder and the load air cylinder are connected through the middle connecting structure, and opposite pulling and opposite pushing movement of the execution air cylinder and the load air cylinder is achieved. Compared with the prior art, the load test is carried out by applying different pressures to the execution cylinder and the load cylinder to form a pressure difference, so that the time for reassembling the device is reduced to a great extent, and the efficiency is effectively improved.

The invention relates to the technical field of intelligent power distribution systems, and provides a transmission control decoupling anti-interference composite cable assembly which comprises an annular power transmission body, an isolating layer, a plurality of signal cores, a control core, a first transmission pipe, a second transmission pipe, an insulating layer, a shielding layer and a sheath layer. The multiple signal cores are circumferentially distributed on the isolation layer body, the first transmission pipe is coaxially arranged on the inner side of the isolation layer, the second transmission pipe is coaxially arranged on the inner side of the first transmission pipe, and the control core is spirally distributed in a cavity between the first transmission pipe and the isolation layer. And the insulating layer, the shielding layer and the sheath layer sequentially coat the outer side of the power transmission body from inside to outside. According to the transmission control decoupling anti-interference composite cable assembly, electromagnetic interference among various lines can be reduced, the overall flexibility and bending performance can be improved, response decoupling of a control line and an electric power and signal line can be achieved, the current-carrying capacity and operation safety can be improved, and good expansibility and assembly adaptability are achieved.

The invention relates to a device for operating non-explosion-proof equipment in a potentially explosive atmosphere, comprising a pressurized housing (1) designed to accommodate the non-explosion-proof equipment (2), a purge gas inlet (3) arranged upstream of the housing (1) through which a protective gas (4) can be supplied to the housing (1) under overpressure, and a purge gas outlet (7) arranged downstream of the housing (1) through which the protective gas (4) can be discharged from the housing (1). For the discharge of the protective gas (4), an outlet valve (8) with a valve seat (16) and a valve body (30) is arranged in the purge gas outlet (7). The valve body (30) is connected to the first end of a guide axis (31) which is slidably mounted in a through bore (21) in the valve seat (16) along the valve axis (15) so that the valve body (30) is axially adjustable between a closed position and an open position.By means of a spring element (34), the valve body (30) is biased against the valve seat (16) in the closed position. To achieve efficient and gentle operation with moderate equipment costs, the invention proposes that a baffle element (32) be attached to the opposite second end of the guide axis (31) and that a control housing (25) with a working chamber (28) be connected to the valve seat (16), wherein the baffle element (32) is arranged within the working chamber (28) and without contact with the control housing (25). Furthermore, the control housing (25) has a connection (27) to which a control line (9) is connected for supplying the working chamber (28) with a working fluid (29), via which the working chamber (28) and the baffle element (32) arranged therein can be pressurized with the working fluid (29) from the control line (9).

The application belongs to the technical field of construction surveying, and discloses a tower type shaft kiln masonry laser measurement and control system based on cross control lines; by acquiring temperature field distribution and dust concentration data on the laser propagation path, a refraction offset and scattering attenuation double compensation mechanism is constructed to realize accurate measurement of the central point coordinates and high-precision establishment of the four-directional basic measurement and control line group; the application takes the deformation modal extreme position corresponding to each harmonic component as the basis for blind area judgment through the use of an intelligent blind area recognition mechanism, and through adaptive supplementary measurement and control lines and minimum area circle fitting operation, the masonry correction instruction is accurately evaluated and generated; the application also establishes a layered circle center coordinate vertical sequence, identifies the systematic trend deviation in combination with the circular statistical method, triggers the reference re-measurement process, and effectively prevents and controls the cumulative error; the application has comprehensiveness and accuracy, can perform full-link measurement and control and quality evaluation on the shaft kiln masonry process, and effectively ensures that the kiln body perpendicularity and roundness meet the design requirements.

The invention provides a tension adjusting mechanism and an endoscope device thereof. The tension adjusting mechanism comprises a first control line, a second control line, a control handle, a control wheel, a first adjusting screw and a second adjusting screw, wherein the first adjusting screw and the second adjusting screw are rotatably screwed on the control wheel. The control handle is provided with a handle main body connected with a flexible tube of the endoscope device and a control rod operably inserted outside the handle main body. The control wheel is rotatably arranged in the handle body and connected to the control rod. The first and second control lines movably pass through the flexible tube to be connected to the first and second adjustment screws, respectively, and the tension of the first and second control lines is adjusted by rotating the first and second adjustment screws, respectively. When the control rod rotates the control wheel, the first control line and the second control line jointly control the bending direction of the flexible pipe along with rotation of the control wheel.