38results about How to "Increase the installation distance" patented technology

The invention relates to the technical field of fire-fighting equipment, in particular to a power transformer fire extinguishing system and a control method. The power transformer fire extinguishing system comprises an equipment protecting room, a fire extinguishing pipe network, multiple fire detectors, point spraying branch control pipe valves and weatherproof porous bundling nozzles; a gas cartridge set, a starting bottle set, a 3D boiling powder storage tank and a fire extinguishing controller are arranged in the equipment protecting room, and the fire extinguishing controller is provided with a multi-feature signal detector, an air speed detector and a reburning detection and alarm controller. The control method comprises the following steps of initialization, fire detection, alarm and fire extinguishment; the fire extinguishment comprises the steps of point fire extinguishing scheme generating, multi-point fire extinguishing scheme generating and full fire extinguishing scheme generating. According to the power transformer fire extinguishing system and the control method, the main pipe network is buried under a terrace, the safety is high, and the stable reliability of the fire extinguishing system is guaranteed; a point fire extinguishing scheme, a multi-point fire extinguishing scheme and a full fire extinguishing scheme are designed according to different fire types, and the fire extinguishing efficiency and the fire extinguishing effect are greatly improved.

The invention discloses an LED control method and equipment. The LED control equipment comprises a PC (Personal Computer), a master controller and a plurality of branch controllers; the plurality of branch controllers are connected in series with the master controller; the PC is connected with the master controller; and the branch controllers are used for controlling LEDs. By applying the technical scheme, the plurality of branch controllers are connected in series with the master controller, when a branch controller is additionally provided, the branch controller is needed to match with an impedor of a device arranged at the front end of the branch controller, but not needed to match with impedors of all devices, therefore, the connection number of the branch controllers is increased, and the mounting distance of the LEDs is further increased.

The invention discloses a power distribution cabinet, which comprises a cabinet body, an installation cavity and a rain top, wherein the rain top is arranged at the top of the cabinet body; the installation cavity is arranged in the cabinet body; an installation plate is arranged in the installation cavity; communication holes are arranged in the surface of the installation plate; wiring holes are arranged in the left side and the right side of the installation plate; an installation groove matched with the installation plate is arranged in the inner wall of the installation cavity; a bottom plate is arranged at the bottom of the installation cavity; air outlets are arranged in the left outer wall and the right outer wall of the cabinet body at the lower part of the bottom plate; air inlets are arranged in the outer wall of the cabinet body at the upper sides of the air outlets; each air inlet is provided with a dust hood; an exhaust fan is arranged at an internal port of each air outlet and is connected with a motor controller; and the motor controller is connected with a temperature sensor. The power distribution cabinet is simple and reasonable in structure, good in heat dissipation performance and convenient to repair; and meanwhile, the dust is also prevented from entering the power distribution cabinet.

The invention relates to a parallel bundle-assembled overhead insulation cable and a production process thereof. The parallel bundle-assembled overhead insulation cable comprises compression conductors, the compression conductors are formed by twisting of circular carbon fiber yarns and irregular hard aluminum wires arranged at outer walls of the circular carbon fiber yarns, outer walls of the compression conductors are provided with insulating layers, the insulating layers are connected with connecting ribs, and the upper surfaces of the connecting ribs are provided with marking lines. The production process of the parallel bundle-assembled overhead insulation cable comprises wire drawing, wire twisting, extrusion molding, and crosslinking. The cable and the production process thereof are advantageous in that the production efficiency is high, the service lifetime is long, the overall cost is low, and the promotion is facilitated.

The invention aims at providing an auxiliary frame fatigue test bending moment and torque elimination device comprising a spindle, a height adjusting device, a universal joint, a transmission shaft and a torque elimination device. The spindle is installed on the height adjusting device and can perform elevating motion along a vertical direction under the effect of the height adjusting device. The two ends of the spindle are arranged at the two sides of the height adjusting device. The front end of the spindle is provided with the universal joint, and the rear end of the spindle is provided with a workpiece connecting part. The torque elimination device is connected with the universal joint through the spindle. The other end of the torque elimination device is connected with the transmission shaft. The defects in the prior art can be overcome by the device, and the device has the characteristics of eliminating the bending moment and the torque and enhancing the service life and the test accuracy.

The invention relates to a dish washing machine. The left side and the right side of the housing (10) of the dish washing machine are fixedly provided with supports (6). The dish washing machine comprises a door (20) which is connected with the upper end of the support (6) through a hinge (8) and can overturn upward. The machine also comprises a spring (5) which is in an extended state. One end of the spring (5) is connected with the support (6), and the other end is connected with the door (20) through a stay cord (3). When the door (20) is opened, under the action of the stay cord (3), elongation of the spring (5) is reduced. Through the above arrangement, tensile force of the spring can at least partially offset gravity of the door of the dish washing machine, to save effort of a user to open the door, and in a closing process of the door, gradually increased tensile force is converted to a buffer acting force, to reduce colliding acting force when the door is closed. In particular, when the door is opened to an angle, moments of the tensile force of the spring and the gravity of the door on a pivot are equal and are opposite in directions, so the door can suspend on the opening angle.

The invention provides a time difference method ultrasonic flowmeter, and relates to an ultrasonic flowmeter. According to the time difference method ultrasonic flowmeter, the data acquisition rate of the ultrasonic flowmeter is improved; the data acquisition synchronization is improved; the measurement accuracy is improved; the time difference method ultrasonic flowmeter is provided with an ultrasonic transducer, ultrasonic receivers and a pipe; the ultrasonic transducer is used as an ultrasonic emitter; the ultrasonic receivers are arranged on both sides of the ultrasonic transducers; the ultrasonic transducer is provided with a tapered matching layer, an insulating adhesive, a piezoelectric sheet, a tail mass block, a prestressed screw and a wire; and the piezoelectric sheet, the tapered matching layer and the tail mass block are connected through the prestressed screw. By changing the installation mode of the ultrasonic flowmeter, the ultrasonic transducer with the tapered matching layer is used as the ultrasonic emitter. Downstream sampling and countercurrent sampling are synchronized. The measurement accuracy is improved. The sampling rate of the ultrasonic flowmeter can be improved.

The invention discloses an output shaft used for installing a hydraulic machine independently. The output shaft comprises a first bearing installation boss, an external spline and a second bearing installation boss. A fourth sealing groove is formed in the outer surface of the first bearing installation boss. An internal spline is arranged inside the first bearing installation boss. A bearing space ring is arranged at the lower side of the first bearing installation boss. The bearing space ring is provided with a third sealing groove. An extension shaft is arranged below the bearing space ring. The external spline is arranged at the lower side of the extension shaft. The second bearing installation boss is arranged at the lower side of the external spline. A second sealing groove and a first sealing groove are formed in the outer surface of the second bearing installation boss. The output shaft used for installing the hydraulic machine independently has the beneficial effects that the output shaft can be installed on an automobile transmission shaft through the internal spline, the installation distance between the hydraulic machine and a drive axle is prolonged, interference is avoided, applicability of the hydraulic machine is improved, and therefore the braking effect of an automobile is improved, and the life and property safety of a driver and passengers can be guaranteed.

The invention discloses an all-dielectric optical cable. The all-dielectric optical cable comprises a sheath, a water lubricating layer made of resin is arranged on the outer surface of the sheath, and the resin adopted by the water lubricating layer is different from that adopted by the sheath; the water lubricating layer has water solubility so as to form an aqueous solution around the all-dielectric optical cable after being dissolved in water when the all-dielectric optical cable is laid in water, and the aqueous solution has preset kinematic viscosity and preset density, so that the all-dielectric optical cable is suspended in the aqueous solution and the propulsive force borne by the all-dielectric optical cable is improved. The water-soluble resin is adopted in the water lubricating layer arranged on the outer side of the sheath of the all-dielectric optical cable, in the water laying process, the water lubricating layer is directionally released between the sheath and the inner wall of the pipeline, after the water lubricating layer is completely dissolved, and the water lubricating layer is dissolved and reacts with high-speed water flow in the pipeline to form a water solution. The friction force between the all-dielectric optical cable and the inner wall of the pipeline is reduced, and the propulsion power brought by the laying medium is improved.

The invention relates to a coil framework and binding post connecting structure and a mounting method thereof. The connecting structure comprises a coil framework and a binding post, wherein the coilframework comprises a cylindrical winding part for winding wires; a first platform part is arranged at the upper end of the winding part; a second platform part is arranged at the lower end of the winding part; the binding post is connected onto the first platform part; a mounting part at which a vertical section of the binding post can be inserted is raised on the first platform part; a flange israised on the first platform part; the distance from the outer side of the flange to the edge of the first platform part is greater than zero; and a containing groove capable of supporting a horizontal section of the binding post is formed between the outer side of the flange and the first platform part. According to the connecting structure disclosed by the invention, the mounting part and the containing groove are arranged on the coil framework, so that the vertical section of the binding post is inserted into the mounting part, the horizontal section of the binding post is supported in thecontaining groove, the binding post is prevented from sliding upwards or downwards, and the condition that the binding post and the coil are contacted to damage a protective layer of the wire so as to cause short circuit is avoided.

The invention provides plate type workpiece conveying equipment. The plate type workpiece conveying equipment comprises a rack, a conveying mechanism and a support frame mechanism, wherein a pluralityof carrier assemblies are arranged in the support frame mechanism, and distances between the adjacent two carrier assemblies sequentially increase in the feeding direction. A plate is fed in from theend, at which the carrier assemblies are densely distributed, of a mounting base, the densely arranged carrier assemblies play a guide function on the plate which is just fed in, the plate linearly moves, and the phenomenon that the plate cannot be supported by the carrier assemblies when the plate deviates in the process of moving away from other conveying equipment is prevented, so that the usesafety of the structure is improved. After the plate is guided, the number of the carrier assemblies used for the following conveying process of the plate can be reduced as long as installing distances between the adjacent two carrier assemblies at the upper part of the mounting base are increased to realize stable support on the two ends of the plate. The arrangement mode reduces the usage of raw materials, reduces the conveying pressure of a conveying mechanism and increases the conveying efficiency of the conveying mechanism.

The invention provides a chemical dredging system for a municipal drainage pipe network, and relates to the technical field of chemical dredging systems for drainage pipe networks. The chemical dredging system for the municipal drainage pipe network comprises a pipeline, a detection device and a sludge cleaning device, the detection device is connected with the pipeline, the detection device comprises a sludge height measuring assembly and a signal processor, the sludge height measuring assembly is electrically connected with the signal processor, and the signal processor is electrically connected with the sludge cleaning device. The chemical dredging system for the municipal drainage pipe network is simple in structure, the deposition position of a pipeline can be determined in real time, and it is guaranteed that the pipeline is dredged in time; dangers during manual dredging are prevented, and physical harm caused by oxygen deficit suffocation or harmful gas when workers enter the pipeline is avoided; meanwhile, the viscosity of the sludge is reduced by using a chemical agent, and the sludge is washed away to a sewage treatment plant by using water pressure in the pipeline, so that the cost is reduced, and the sewage cleaning efficiency of the chemical dredging system for the municipal drainage pipe network is improved.

The invention provides a combined support for fixing an engine. The combined support is characterized in that the combined support comprises an engine support body installed at the fixed end of an engine and a fan installation frame installed at the output end of the engine, a shock pad is installed on the engine support body, a cooling fan is installed on the fan installation frame, and the cooling fan and the shock pad are installed on the two sides of the engine respectively. The cooling fan and the shock pads which are originally installed on the same side are installed on the two sides ofthe engine through the engine support and the fan installation frame, so that the engine support has enough space to extend the supporting face of the engine support, the supporting face of the engine support is enlarged, the installation distance between the shock pads is increased, and the anti-bending and anti-torsion effects of the whole structure are improved.