348results about How to "Good deicing effect" patented technology

The invention relates to a troubleshooting device for high-voltage power transmission lines, in particular to a robot for de-icing of the power transmission lines. The robot is creatively provided with a de-icing mechanism on a front arm, the de-icing mechanism is connected on the front arm through a lifting mechanism, the action of the de-icing mechanism is to carry out the de-icing through the rotation of a de-icing knife and the extrusion of a plurality of the power transmission lines by a walking mechanism and a pressing mechanism during the process that the robot walks along the power transmission lines, and the robot can automatically cross barriers without the need of manual handling, thereby having the advantages of good de-icing effect, high efficiency, wide range of applications and high safety factor.

The invention relates to a knocking type ice removal for a transmission cable, which mainly consists of a main board, a transverse plate, a battery case, a battery jar, a direct current motor, a belt pulley, a probe reversing bar, a reversing touch disc, road wheels, a knocking arm, a knocking hammer, a belt, magnets, a sensor, a remote control transmitter, a remote control receiver, a fire balloon and a lead wire, and adopts 24V direct current power supply and a 150W direct current motor, wherein, in each road wheel, each magnet is attached on the transmission cable to prevent beating; the direct current motor drives a left road wheel and a right road wheel to walk left and right; the knocking hammer alternately and circularly knocks ice slush on the transmission cable with the frequency of 3 times/s; the sensor receives ice removing information; the remote control transmitter dictates to complete knocking action; the ice removal adopts a wired controllable fire balloon to be hung and dropped straightly. The device has the advantages of reasonable design, compact structure, safety, stability, reliability, energy conservation, good ice removal effect and high efficiency. By knocking to-and-fro, the ice removing ratio of the ice removal can reach 98 percent, the work efficiency is improved by 2 to 3 times than ice removing by milling, and energy can be saved by 500 times compared with ice removing by transforming voltage heat.

The invention relates to an overhead power transmission line electrification deicing device. The overhead power transmission line electrification deicing device includes an insulating deicing bar; the deicing bar is erected at one side of a power transmission line through a carrier frame; the carrier frame is provided with a driving mechanism; the carrier frame comprises two upright rods arranged in parallel; the two upright rods are positioned through at least two parallelly-arranged transverse rods between the two upright rods; the top end of each upright rod is suspended on the power transmission line through a suspending mechanism respectively; the deicing bar is vertically arranged on an end portion of a first transverse rod, wherein the end portion of the first transverse rod extends out from the upright rods; the height of the deicing bar is corresponding to the height of the top end of the upright rods; and the driving mechanism comprises a driving wheel and an insulating transmission rod wound on the driving wheel. The overhead power transmission line electrification deicing device of the invention is simple in structure. With the overhead power transmission line electrification deicing device adopted, deicing operation can be performed under a situation of electrification of a whole line, and the reliability and quality of power supply of a power system can be effectively ensured on the premise that the efficiency of the deicing operation can be improved.

The invention relates to a deicing aircraft for a power transmission line. The deicing aircraft comprises an unmanned aerial vehicle main body, a six-degree-of-freedom parallel mechanism and a deicing device, wherein the six-degree-of-freedom parallel mechanism is located between the unmanned aerial vehicle main body and the deicing device; the upper end of the six-degree-of-freedom parallel mechanism is connected with the unmanned aerial vehicle main body; and the lower end of the six-degree-of-freedom parallel mechanism is connected with the deicing device. According to the deicing aircraft for the power transmission line, automatic deicing operation can be carried out on the overhead transmission line; the deicing effect is obvious; the safety is high; the stability is high; the problem of a manual deicing difficulty after the overhead transmission line is iced in a low-temperature environment is solved; and the stability of power transmission in a severe environment is ensured.

The invention discloses a method for preparing polyurethane rubber granule mixture for pavement self-stress icebreaking, and relates to rubber mixture. The method comprises the steps of firstly, mixing various grain sizes of gravels and rubber particles for 60s at room temperature, obtaining gravel and rubber particle mixture, adding bi-component polyurethane glue which is modulated by a component A and a component B mixed for 120s at room temperature, mixing for 120s at room temperature, obtaining mixture of the gravel and rubber particles and the polyurethane glue; adding mineral powder to mix for 60s at room temperature, and preparing the polyurethane rubber granule mixture for pavement self-stress icebreaking. The mixed pavement material generates large compressive deformation in use, resulting in that the tensile stress and the shear stress inside an ice layer are obviously increased, so that the ice layer cracks. The ice layer is damaged under reciprocal action of vehicle tires, so as to overcome the problem that accumulated snow and frozen ice on the pavement cannot be effectively solved in the pavement paving material of inhibiting congelation in the prior art and the defects of poor pavement performance, low durability and non-environmental performance.

The invention discloses an ultrasonic wire deicing device and a method thereof. The ultrasonic wire deicing device comprises a tension spring, a hitch ring, an insulating sleeve, two deicing tong handles, a rivet, bolts, an ultrasonic generator driven by a direct-current source, two deicing tong heads and ultrasonic acoustic systems. The deicing tong handles are connected with the deicing tong heads to form tong bodies, and two tong bodies are connected through the rivet; the right ends of the two deicing tong handles are connected through the tension spring and the hitch ring; the left ends of the two deicing tong heads are respectively provided with one ultrasonic acoustic system; each ultrasonic acoustic system comprises an electrode, a sandwich piezoelectric transducer, an amplitude transformer, a flange disc, a toolhead, a first bolt and a second bolt; the sandwich piezoelectric transducers are connected with the amplitude transformers through the second bolts; the amplitude transformers are connected with the toolheads through the first bolts; the sandwich piezoelectric transducers are connected with the ultrasonic generator through the electrodes; and the two amplitude transformers of the two ultrasonic acoustic systems are connected with the left ends of the two deicing tong heads through the bolts. The ultrasonic wire deicing device is good in deicing effect, small in energy consumption, simple and convenient in usage, low in cost and long in service life and is pollution-free.

The invention relates to an automatic deicing device for an overhead transmission line. The automatic deicing device comprises two deicing mechanisms, an advancing mechanism, a power mechanism, a control mechanism, a power supply module, an oil tank and an installation plate, wherein the installation plate comprises an upper installation plate, a middle installation plate and a lower installationplate, and the upper installation plate, the middle installation plate and the lower installation plate are connected through bolts from top to bottom; the advancing mechanism is installed on the upper end of the middle installation plate; the first deicing mechanism is installed on the front end of the middle installation plate and penetrates through a traverse; the second deicing mechanism is installed in the middle of the middle installation plate and is also connected with the power mechanism; the power mechanism and the control mechanism are both installed on the upper end of the lower installation plate; and the control mechanism comprises a video surveillance module installed on the upper installation plate, and a control cabinet installed on the lower installation plate. The deviceis reasonable in design, has a good deicing effect, can improve the power supply reliability of an electric power system, reduces the workloads of workers, lowers energy consumption, has a simple andpractical integral structure, has a stable working state, and is convenient in disassembling and repairing.

The invention belongs to the technical field of power equipment, and particularly relates to a deicing robot for a high-altitude power transmission cable. The deicing robot comprises a mounting plateat the bottom portion, wherein a first mounting frame and a second mounting frame are connected to two ends of the mounting plate, a driving pulley and an auxiliary pulley are arranged at the two endsof the cross rod of the first mounting frame, and the driving pulley is driven by a motion control motor; the auxiliary pulley is connected with a telescopic device; the first mounting frame and thesecond mounting frame are provided with a first monitoring device and a second monitoring device, the mounting plate is provided with a deicing device, the deicing device comprises a first deicing portion and a second deicing portion which are symmetrical to each other, deicing teeth are uniformly distributed at the inner sides of the first deicing portion and the second deicing portion, and the first deicing portion and the second deicing portion are engaged with gears of deicing control motors at the two sides of a deicing road. The deicing robot can be used for high-tension cable deicing, is good in deicing effect, high in working efficiency, not easy to damage the cable and very safe.

The invention discloses a deicing robot based on an automatic tensioning U-shaped heating mechanism, relates to the technical field of protection equipment for overhead power transmission cables, and solves the problem of deicing the existing deicing mechanism with strong binding force and thick ice layer. The problem of limited ice capacity, including the casing, on which the driving wheel and the driven wheel are installed, the driving motor and the worm gear mechanism are arranged inside the casing, the worm gear is arranged above the worm and meshed with the worm, and the worm wheel and the driving wheel pass through the transmission belt A Transmission connection, the front end of the worm sticks out of the casing and is connected with a rotating body that rotates with the rotation of the worm. The rotating body is equipped with a mechanical deicing mechanism, including a thermal deicing mechanism. The thermal deicing mechanism includes a stepping motor, a transmission belt B, The U-shaped heating plate and the shells symmetrically arranged on both sides of the transmission line can effectively remove the icing with strong binding force and thick ice layer, such as rain rime and mixed rime, and avoid thermal De-icing mechanisms are prone to damage to the interior of power lines due to sustained heat.

The invention discloses a wind driven generator. The wind driven generator comprises a tower drum fixed to the ground, a cabin located on a tower frame, a power generator arranged in the cabin, a rotor which rotates relative to the cabin and comprises a plurality of rotor blades, and an air circulation system used for deicing the blades and enabling the blades, the cabins and the tower drum to communicate. The air circulation system comprises a controllable air inlet formed in the position, away from the cabin by a certain distance, of the tower drum, an air filter arranged on the upper portion of the air inlet, a heater arranged on the upper portion of the air filter, and an internal heat exchanger used for heat exchange with the power generator in the cabin. Airflow circulation passages are arranged in the blades. Through the airflow circulation passages, airflow entering the blades flow through blade tips firstly and then flow through roots, and the airflow is exhausted out through small holes in the roots. By the adoption of the deicing system, the temperature, cleanliness and flow of air entering the cabin are controlled more effectively, the system does not occupy any space of the cabin, and the overall deicing effective is better.

The invention relates to an unmanned aerial vehicle icing protection device comprising wings, a heat conduction device and a heating device. The outer walls of the wings are covered with skins, and anti-icing cavities are formed in the wings. The heat conduction device comprises an engine compressor, a flow limiter, a one-way valve and anti-icing valves, and the anti-icing valves are arranged on the wings. The heating device comprises icing sensors, electric heating layers and pulse devices which are connected sequentially. According to the unmanned aerial vehicle icing protection device, heatof an engine and the electric heating and pulse devices are mixed for deicing, the advantages of the heat of the engine and the electric heating and pulse devices are combined, a good icing protection effect is formed, namely it is guaranteed that no ice layer exists nearby important parts such as stagnation points at the front edges of the wings, damage of icing to the aerodynamic shape of a vehicle is also reduced, and the power consumption of the vehicle is reduced.

The invention discloses a short-range cable ice removal device. The device comprises a sleeve seat and an operation pull rod, wherein the sleeve seat is internally provided with a main center hole forcontaining cables; a rod seat is arranged at the bottom of the sleeve seat; the rod seat is hinged with the upper end of the operation pull rod; the sleeve seat comprises a first half sleeve seat anda second half sleeve seat; the first half sleeve seat is hinged with the second half sleeve seat; a first positioning seat is arranged on the first half sleeve seat; a second positioning seat is arranged on the second half sleeve seat; the first positioning seat is clamped with the second positioning seat; the main center hole is internally provided with a plurality of ice breaking mechanisms; each ice breaking mechanism comprises an ice breaking seat shell, an ice breaking motor and an ice breaking knife; and each ice breaking cutter comprises a cutter shaft, a cutter head connected with thecutter shaft and a plurality of needle knives arranged on the cutter head. The short-range cable ice removal device has the beneficial effects of being reasonable in structure, effectively removing ice on outdoor cables and being good in ice removal process continuity and strong in ice removal ability, has pre-extruding and pre-breaking functions, and is capable of protecting the needle knives and enhancing the ice removal effect.

The invention discloses a wire deicing device which comprises a casing, an advancing mechanism which can provide power for the whole device and enables the device to advance on wires and a deicing mechanism which can deice in different strengths at different positions of the wires. The deicing mechanism comprises an ice peeling mechanism arranged at the front end of the advancing mechanism, a secondary deicing mechanism arranged in the advancing mechanism and a residual ice removing mechanism arranged at the rear end of the advancing mechanism. The wire deicing device is ideal in deicing effect and suitable for wires of different diameters.

The invention provides a blade deicing control method and device and deicing system for a wind driven generator. The blade deicing control method comprises the steps that firstly, when it is judged that blades are iced, a currently-received reference signal and multiple local state signals of all local areas of all the blades are calculated, and first calculation results are obtained; secondly, the iced positions are determined, and determination of the specific iced positions is achieved; thirdly, deicing equipment is controlled to deice the iced positions, and the problem that the heating energy loss is high due to the fact that in the prior art, the blades are heated together as a whole is avoided; and lastly, second calculation results are obtained by calculating the currently-receivedreference signal, multiple local state signals of the iced positions and multiple local state signals of the iced positions within the cached preset time, and the deicing equipment is controlled to stop deicing till the calculated second calculation results meet first preset conditions. Therefore, monitoring on the deicing process is achieved, and the overheat condition is avoided while the gooddeicing effect is guaranteed.

The invention discloses an automatic deicing unmanned aerial vehicle for a power cable. The automatic deicing unmanned aerial vehicle comprises an unmanned aerial vehicle body, a cloud platform and a deicing manipulator, wherein the cloud platform comprises a bearing arm, a Y-shaped connection piece, a Y sliding shaft, an X sliding shaft, an U-shaped connection piece, an X-directional positioning spring and a Y-directional positioning spring, the deicing manipulator comprises an U-shaped base, a stepping motor, a fixed plate, a mechanical claw, an ice breakage drill and an ice breakage cutter, and the mechanical claw comprises a first mechanical finger and a second mechanical finger. By the automatic deicing unmanned aerial vehicle, the deicing operation safety of the cable is effectively improved, high-altitude and automatic deicing operation is achieved, the deicing effect is obvious, and the safety is high; and the problems of difficulty in manual deicing and low efficiency of the cable in a low-temperature environment after freezing are solved, and the power transmission stability in a severe environment is ensured.

The invention discloses an air source heat pump water heater which comprises an evaporator (4), a compressor (1), an air cooler (2) and a throttling device (3) which are connected sequentially so as to form a circulating loop. One end of the air cooler is provided with a cold water inlet (21), and the other end of the air cooler is provided with a hot water outlet (23). The air source heat pump water heater also comprises a water collecting disc (6) and a pipeline (7), wherein the water collecting disc (6) is arranged on the bottom of an evaporator; the pipeline (7) is arranged in the water collecting disc and is used for refrigerant circulation; the water collecting disc is connected with a water drainage pipe (8); one end of the pipeline is connected with a refrigerant outlet (22) of the air cooler, and the other end of the pipeline is connected with an input end (31) of the throttling device (3). High-temperature high-pressure gas refrigerants compressed by the compressor in the air cooler exchange heat with cold water, are transformed to middle-temperature high-pressure liquid refrigerants, and flow through the water collecting disc at the bottom of the evaporator through a pipeline; ice is removed by utilizing the residual heat of the liquid refrigerants; and the favorable ice removing effect can be realized while the outlet water temperature of the water heater can not be lowered.

The invention discloses an impact deicing mechanism of an overhead line deicing robot, which is arranged at the front end of the overhead line deicing robot. The impact deicing mechanism is characterized in that the impact deicing mechanism comprises a machine body, a combined ice skate, an ice skate pedestal, an ice breaking motor, a cam, a sliding rod and a spring, wherein the ice skate pedestal, the ice breaking motor and the sliding rod are all arranged on the machine body; the ice breaking motor is connected with the cam and drives the cam to rotate; the combined ice skate is fixed at the front end of the ice skate pedestal; the ice skate pedestal is arranged on the sliding rod and can slide along the sliding rod; one end of the spring is fixed on the machine body, while the other end is connected with the rear end of the ice skate pedestal; the ice skate pedestal is provided with a projection matched with the cam; and an overhead line passes through the impact deicing mechanism from a center hole of the combined ice skate. The deicing mechanism has the advantages of skillful design, simple structure, strong practicality and good deicing effect.

The invention belongs to the technical field of power equipment, and particularly relates to a high-voltage line deicing robot capable of crossing a split conductor spacer. The robot comprises a mounting plate at the bottom; a first mounting frame and a second mounting frame are connected to the two ends of the mounting plate; a driving pulley and an auxiliary pulley are arranged at the two ends of a transverse rod of the first mounting frame correspondingly; the driving pulley is driven by a walking control motor; the auxiliary pulley is fixedly connected with the first mounting frame through a telescopic device; a first monitoring device and a second monitoring device are arranged on the first mounting frame and the second mounting frame respectively; a deicing device is arranged between the first mounting frame and the second mounting frame; a plurality of vibration devices are arranged on the outer side of the deicing device; and the front ends of the vibration devices are fixedly connected with ice breaking needles. The deicing robot is good in snow and ice removing effect, can automatically crossing barriers such as spacers on wires, and is very high in working efficiency.

The invention discloses a mix proportion optimization method of a low-freezing point asphalt mixture, and belongs to the technical field of the road engineering material. The problem that the existinglow-freezing point asphalt mixture is insufficient in durability and conflict in deicing effect and the durability is solved. The optimization method comprises the following steps: one, preparing rawmaterials; two, determining the optimal asphalt content: a, preparing a Marshall sample; b, measuring a physical index of the low-freezing point asphalt mixture; c, measuring a mechanics index of thelow-freezing point asphalt mixture; d, measuring a complex shear modulus coefficient deltaG* of an asphalt cement; and e, drawing a relational graph of the asphalt content and various indexes to determine the optimal asphalt content; and three, synthesizing the low-freezing point asphalt mixture by using the determined optimal asphalt content, and performing verification assessment through a pavement performance test. Besides the conventional asphalt mixture physical mechanic indexes, the invention further provides a new index so as to control the durability of the mixture, and the problem that the existing low-freezing point asphalt mixture is insufficient in durability and conflict in deicing effect and the durability is solved.

The invention discloses a high-voltage transmission line deicing device which comprises a platform, rollers are rotatably mounted on the lower end face of the platform, deicing mechanisms are symmetrically mounted on the two sides of the front end of the platform, and each deicing mechanism comprises an ice melting assembly and a sweeping assembly. A driving mechanism for driving the rollers to roll is mounted on the lower end surface of the platform. A controller and a storage battery are arranged on the upper end surface of the platform. According to the high-voltage transmission line deicing device, ice blocks on a high-voltage line are heated and melted through the ice melting assembly, then the melted ice blocks are removed from the high-voltage line through the sweeping assembly which rotates annularly, and the deicing effect is good. The sweeping assembly can be rapidly disassembled and assembled, and is convenient to install, maintain and use. The driving mechanism drives the roller to run along the high-voltage line, and the roller is provided with the annular groove, so that the roller is firmly clamped on the high-voltage line, platform rollover caused by separation of the roller and the high-voltage line is avoided, and overall stability and operation safety are improved.

The invention discloses a rotary power overhead transmission line deicing device comprising a back box and a deicing rod. An induced draft fan is installed on the center of the right end inside the back box. The lower end of the back box is connected with a hot air pipe. A lead screw is installed in the deicing rod. A driven wheel is installed on the center of the lower end of the lead screw. A driving wheel is engaged with the right end of the driven wheel. A lifting block is installed on the center of the upper end of lead screw. Lifting rods are installed on the left and right ends of the lifting block. A first connecting rod is hinged to the tail end of the lifting rod. A second connecting rod is hinged to the upper end of the first connecting rod. A deicing ring is connected to the upper end of the second connecting rod. A clamping ring is arranged on the inner side of the deicing ring. Deicing teeth are uniformly arranged on the inner side of the clamping ring. Hot air holes areuniformly disposed on the center of the clamping ring. Fixing plates are installed at both ends of the middle of the deicing rod. Fixing rods are mounted on the upper ends of the fixing plates. The rotary power overhead transmission line deicing device clamps a transmission line by the deicing ring, and doubly deices an ice layer on the transmission line, improves a deicing effect, is easy to operate, meets the need for deicing the transmission line, and is practical.