119results about How to "Overcome the shortcomings" patented technology

A 12kv resistance divider includes wire terminal, signal terminal, earthing terminal, ceramic wafer, resistance wire, and a green color protection layer covered by a black protection layer then rubber.

The invention discloses a multifunctional gypsum painting ready mixed mortar as well as a preparation method and application thereof. The multifunctional gypsum painting ready mixed mortar comprises the following components: beta-semi-hydrated gypsum, heavy calcium carbonate, calcium hydroxide, quartz sand, methyl cellulose ether, adhesive, a phase-change material, modified starch, a dispersant, a gypsum shrinking resistant agent, lightweight calcium carbonate, barite powder, talcum powder, tourmaline powder and kieselguhr. The materials, such as kieselguhr, tourmaline, the barite powder, thephase-change material, and the like, are reaonsbaly used in the multifunctional gypsum painting ready mixed mortar; and it is proved that the multifunctional gypsum painting ready mixed mortar has various functions of automatic adjustment of indoor temperature and humidity, radiation resistance, bacterium resistance, air purification, and the like. In addition, the gypsum painting ready mixed mortar has higher anion generating amount and far infrared emissivity, can rapidly exhaust odor generated by products, such as paint, colloid, and the like and can exhaust smoke for a long term.

The invention provides a TM021 modal high-power microwave plasma diamond film deposition device. The TM021 modal high-power microwave plasma diamond film deposition device comprises an upper cylinder, a lower cylinder, an adjustable upper cavity, a microwave reflecting plate, a deposition table, a microwave coaxial excitation port, a microwave quartz port, a gas inlet, a gas outlet, a temperature measuring hole, an observing window and the like. The TM021 modal high-power microwave plasma diamond film deposition device has TM021 modal electric field distribution and the characteristics of centralized electric field distribution in a microwave resonator and stable excited plasma locations. The distribution of plasmas in the device can be optimized in real time through a regulating mechanism of the device. An annular microwave quartz window placed below the deposition table can be prevented from being excessively heated, polluted and etched by the plasmas. The inner wall of a resonant cavity is far away from a high-temperature plasma zone, so that the thermal radiation on the inner wall of the cavity is weakened, and foreign matter deposition is avoided. Each main part of the device can be directly water-cooled. Due to the advantages, the device can be applied to the input of relatively high-power microwaves, and the high-efficiency deposition of large-area high-quality diamond films is realized.

The invention relates to a hydroxyl-containing water-based acrylic ester polymer and a preparation method thereof. The hydroxyl-containing water-based acrylic ester polymer is synthesized by two steps of: firstly, preparing a specific hydroxyl-containing acrylic ester aqueous dispersion; and secondly, carrying out free base polymerization on the specific hydroxyl-containing acrylic ester aqueous dispersion and 10-30 parts of hydroxyl-containing acrylic ester monomers, 30-50 parts of methacrylate monomers, 0.1-0.5 part of ammonium persulfate and / or potassium persulfate initiator and 30-50 parts of deionized water, wherein the percentage of Mn is mote than or equal to 10,000; the hydroxyl-containing water-based acrylic ester polymer has low content of solvent, high content of solid, low viscosity and low acid value; and the weight ratio of the specific hydroxyl-containing acrylic ester aqueous dispersion to the monomers and the initiator used for the free base polymerization with the specific hydroxyl-containing acrylic ester aqueous dispersion is 1:(1.40-2.0) counted according to the solid content. The hydroxyl-containing water-based acrylic ester polymer can be used for preparing a dual-component waterborne polymerization coating, or can be used for preparing a waterborne amino baking coating and has the advantages of high luster of a paint film, weather resistance, corrosion resistance, low VOC (Volatile Organic Compounds) and wide application range; and a preparation process is stable and controllable.

The invention relates to an in-vitro diagnostic reagent for a homogeneous method of low-density lipoprotein cholesterol (LDL-C) of serum, wherein the in-vitro diagnostic reagent is capable of being widely applied to the technical field of medicine and biochemistry and is characterized in that the in-vitro diagnosis is carried out by means of a method comprising the following steps of: step one, selectively cracking chyle particles (CM), very low density lipoprotein cholesterol (VLDL-C) and high density lipoprotein cholesterol (HDL-C) within the serum by using a group of surfactant comprising trimethyl-beta-cyclodextrin, ethylene oxide octadecyl amine, poloxamer F88 and Brij-58, then generating hydrogen peroxide (H2O2) during the catalytic reaction of cholesterol esterase (COE) and cholesterol oxidase (COD), and then discomposing the H2O2 by means of a chemiluminescence clearing system of hydrogen peroxide, wherein the LDL-C particles within the serum are still kept perfectly at the moment; step two, reacting the LDL-C by catalyzing with the COE and the COD under the effect of TritonX-100 so as to generate H202, then promoting a chemiluminescence quantitative system to produce chemiluminescence by catalyzing the H2O2 with POD, and quantitating the LDL-C after measuring luminous intensity. The measuring reagent provided by the invention has the advantages that the sensitivity is high, the capacity of resisting disturbance is strong, the purpose for detecting the LDL-C of serum in batch is realized on a microporous plate chemiluminescence apparatus by measuring chemiluminescence intensity, and the reagent is suitable for the application in clinical laboratory.

The invention discloses an SAR image data enhancement method and device and a storage medium, and the method comprises the following steps: carrying out the electromagnetic simulation of an SAR targetimage, and obtaining an SAR electromagnetic simulation image; processing the SAR electromagnetic simulation image and the SAR target image through a generative adversarial network to obtain an SAR target image virtual sample set. According to the method, the SAR target image is subjected to electromagnetic simulation to obtain the multi-azimuth SAR electromagnetic simulation image, so that the defect that the traditional SAR target image sample acquisition is insufficient is overcome, and sufficient data input is provided for subsequently solving the problem of training data scarcity in the deep learning training process; the mapping relation between the SAR electromagnetic simulation image and the SAR target image is learned through the generative adversarial network, the data richness of the SAR electromagnetic simulation image is improved, and therefore the SAR target image with the missing angle is expanded, and powerful support is provided for subsequent SAR target image recognition and detection and other work.

The invention relates to a low-temperature SCR (selective catalytic reduction) smoke gas efficient denitration catalyst and a preparation method thereof, and belongs to the technical field of catalyst manufacturing. The catalyst uses titanium dioxide as carriers, and contains tungsten oxide, vanadium oxide and antimony oxides or contains rare earth metal cerium oxide; the catalyst without rare earth metal cerium oxide has a little lower denitration efficiency than the catalyst containing rare earth metal cerium oxide. The denitration efficiency of the catalyst reaches 85 percent or more at the low temperature of 130 degrees; the value is much higher than the current condition of the denitration efficiency of being less than 50 percent in the prior art. The low-temperature activity of the catalyst is good; a good oxynitride removal rate and water-resistant and sulphur-resistant performance can be realized within the temperature range of 130 to 250 DEG C; the catalyst has high activity and toxicity resistance at 130 to 250 DEG C, so that the catalyst can be installed behind a coal-fired boiler dust remover; the defects of the existing smoke gas denitration technology are overcome; the catalyst can also be applied to the smoke gas denitration of industrial kilns and the like.

The invention discloses a brazed diamond flexible abrasive disc and a manufacturing method thereof, and relates to a diamond abrasive disc. The invention provides the brazed diamond flexible abrasive disc which is mainly used for coarse grinding processing of hard and brittle materials such as stone, glass, ceramic, concrete and the like, has good sharpness during grinding, is easy to grind special-shaped faces such as planes, edges, angles, arcs and the like, has good high temperature resistance and long service life and does not produce discoloration after long-time dry grinding, and the manufacturing method thereof. The flexible abrasive disc is provided with a diamond grinding layer and a connector; and the diamond grinding layer is provided with a matrix and diamond granules, the matrix is a flexible thin steel sheet, the diamond granules are brazed on the upper surface of the matrix, and the connector is connected with the lower surface of the matrix. The method comprises the steps of manufacturing the diamond grinding layer and manufacturing a finished product of the diamond flexible abrasive disc.

Belonging to the technical field of corrosion protection of steel materials, the invention relates to an electrolysis plating assistant agent applicable to a steel hot-dip galvanizing aluminum alloy coating and a technological method thereof. Specifically, the electrolysis plating assistant agent comprises: 150-650g / L zinc chloride, 20-160g / L ammonium chloride, 5-50g / L stannous chloride, 0-30g / L sodium fluoroaluminate, 0-30g / L sodium fluoride, 0-20g of cerium chloride, and the balance water. According to the invention, the plating assistant agent suitable for hot-dip galvanizing aluminum alloy is perferably selected by orthogonal test, and by adopting electrolysis activation assistant plating, a uniform composite salt film with moderate thickness can be formed on a sample surface by current deposition, thus overcoming the defect of salt film insufficiency generated by depending on the natural settling process of a plating assistant agent salt solution during traditional solvent assistant plating. The obtained coating has a smooth and bright surface, and good corrosion resistance.

The invention provides a method for preparing a solid enzyme reagent which is used to fast measure the organophosphorus and carbamate toxicity of pesticide residue and its using method. The agent is formed by choline esterase, buffer solution and carrier. The solid enzyme reagent can be stored at indoor temperature above 20 days.

The invention discloses a Chinese preparation for treating burn without leaving scars, which is prepared from the following components in part by weight: giant knotweed 190, garden burnet root 160, rhubarb 135, propolis 145, Hemiboea subcapitata C. B. Clarke 85, cactus 90, Jatropha curcas skin 30, twotooth achyranthes root 85, radix pseudo-ginseng 60, Azolla imbricata 55, beautyberry 35, dragon's blood 30, amur corktree bark 30, pagodatree pod 28, cicada shell 15, musk 0.7, borneol 7.5 and 95 percent alcohol for pharmaceutical purposes 4,500. The preparation has the characteristics of stopping blood, constricting, relieving pains and itching, achieving antibacterial effect, quickly healing wounds and avoiding leaving scars and the like. The preparation can treat burn simply and quickly, does not require strict sterilization operation and can be applied after the wound surface is cleaned simply. The preparation can make epithelial tissue and collagen issue of the wound surface grow in proportion, repair the wound surface more completely and obviously reduce pigmentation and scar generation.

The embodiment of the invention discloses a frequency diverse array-multiple-input multiple-output (FDA-MIMO) dimensionality-reduction space-time adaptive clutter suppression method and device based on an auxiliary channel. The FDA-MIMO dimensionality-reduction space-time adaptive clutter suppression method can comprises the steps that original data of an FDA-MIMO radar are subjected to primary distance dependence compensation according to Doppler center estimate values of all distance units, and thus primary compensation data are obtained; the primary compensation data are subjected to secondary distance dependence compensation according to the step quantity of the transmitted signal carrier frequency of the FDA-MIMO radar relative to the reference carrier frequency, and thus secondary compensation data are obtained; the secondary compensation data are converted to a Doppler-transmitting-receiving space frequency domain along a clutter ridge, and thus converted data of the Doppler-transmitting-receiving space frequency domain are obtained; an adaptive clutter suppression weight vector is obtained according to the converted data and the minimum variance constraint theory; and the converted data are subjected to clutter suppression according to the adaptive clutter suppression weight vector, and thus output data after clutter suppression are obtained.

Upper and lower casings, radiator, vibrator, electric cable and other parts constitute one new kind of sensor. The radiation body is light hard metal cylinder in the height 2 cm over greater than a traditional sensor, and is used as both shearing wave radiator and the device for applying force, fixing soil sample and draining water. The vibrator is a ring made of composite PZT piezoelectrical ceramic and epoxy resin material and has upper and lower surfaces with sliver plated, upper and lower electrodes connected to cable and leading out wire junction to fix the cable to the casing. Alternately changed or pulsed voltage is applied to the vibrator to produce torsion vibration, which radiates outwards in wave form via the radiator. The present invention has the advantages of the sensor of composite piezoelectrical material and in shape suitable for measuring soil sample shearing wave speed, low vibration frequency, small volume, great radiation energy, pure shearing waveform, etc.

The invention discloses a systematic test method for the regional stability control joint debugging. The systematic test method comprises the following steps: a regional stability control test systemcomprises a host automatic test platform, a test terminal and a stability control device; through the cloud communication platform based on 5G signals, the host automatic test platform is in communication connection with the test terminal, and bidirectional transmission of information between the host automatic test platform and the test terminal is realized. Realizing information interaction between the test terminal and the stability control device based on a standardized communication protocol; the host automatic test platform is used for issuing test cases and receiving action informationof the stability control device; and judging the correctness of the test result according to the received feedback information and generating a test report, thereby realizing the full-automatic closed-loop test of the host automatic test platform, the test terminal and the stability control device in the whole process. According to the method, comprehensive, standardized and intelligent detectionof the stability control system can be realized, and the detection efficiency of equipment of different manufacturers can be improved.

The invention provides a preparation method of a sleeper, which solves a problem that a composite material sleeper is not available in the prior art. A preparation method of a phenol-formaldehyde resin based composite material sleeper comprises processes of prereg preparation, surface material preparation and composite material preparation in sequence. According to the invention, as a large quantity of wood residues are utilized, low cost and good use performance are achieved, defects of a cement sleeper are overcome, saving and substitution of woods are developed, the wood consumption structure is optimized, the situation of domestic wood resource shortage is relieved to a certain degree, and sustainable utilization of forest resources and the ecological environment are improved.

A Chinese medicine in the form of ointment of spray for treating burn, scald and sore is prepared from 9 Chinese-medicinal materials including gypsum, calamine, cuttlefish bone, pearl, etc through respectively calcining and parching, pulverizing, proportional mixing, adding vaseline, and stirring. Its advantage is high curative effect.

Front and back cover plates and a pair of composite piezoelectrical ceramic rods are fixed into one integral and set inside a casing to constitute the sensor and connected hermetically via O-ring andcasing. The front cover plate is one stepped cylinder with two fanned columns in the top, and the circular back cover plate has also two fanned columns in the diagonal line positions. Each of the composite piezoelectrical ceramic rods is constituted by several laminated PZT rings in parallel connection, and is sandwiched between the fanned columns of the front and the back cover plates. When twocomposite piezoelectrical ceramic rods stretch and withdraw simultaneously, one torque is formed in the front and the back cover plates to produce torsion vibration. The present invention has the advantages of low operation frequency, small volume and great radiation energy of the sensor, is suitable for shear wave speed in various soil sample, and can inhibit longitudinal wave interference and distinguish the first arrival time of shear wave.

The invention discloses a combined dynamic control system and method for a series-parallel automobile electrophoretic coating conveying mechanism. Firstly, a kinematic positive solution and a jacobian matrix of the mechanism are solved and obtained, and the mechanism control system is established through a distributed structure; a lagragian method is adopted for establishing a mathematic model with friction force and external disturbance items; deviation of an expected pose and an actual pose of the middle point of a connecting rod of the conveying mechanism is calculated and obtained; and on the basis that the neural network is adopted for achieving series-parallel mechanism inverse dynamic control, PD feedback control and sliding mode control are increased. According to the combined dynamic control method for the series-parallel automobile electrophoretic coating conveying mechanism, the control system of the conveying mechanism can have good movement performance; and in addition, due to the fact that feedforward control of the neural network is available, the buffeting problem in the sliding mode control can be effectively solved, the adverse effect of buffeting on an executing mechanism is avoided, and the control system of the series-parallel automobile electrophoretic coating conveying mechanism can present the good control performance.

The invention relates to an electric driving wheel crawler self-moving power station which consists of an electric driving wheel crawler chassis assembly, a cab, a direct-charging electric generating set container, a dynamic-electric electricity storage capacitor and a tool equipment box. The prior crawler power station has more middle transmission links and fault points, large fuel consumption and high cost; the invention adopts the electric driving wheel crawler chassis and has the design that an electric driving wheel provides the power for the walking of the power station directly without the middle transmission links; the electrical energy that the electric driving wheel requires is provided by the dynamic-electric electricity storage capacitor, the charging is finished through the dynamic-electric electricity storage capacitor, therefore, no fuel oil is consumed for walking, no pollutants are discharged, no noise is generated, the operation is safe and reliable, the defects of the prior art can be overcome, the oil can be saved, and the cost is low. The invention belongs to a special mobile power supply device which can provide the reliable electrical power for the emergency rush repair of field construction operation and war industry.

The invention relates to a rotary table leveling method that can fast and correctly level a rotary table, taking an inclinometer as a testing tool. The inclinometer is arranged in the center of the surface of the rotary table to be leveled; the inclinometer is rotated to an initial position I that is mutually parallel to a connecting line of any two height adjusting mechanisms under the base of the rotary table, and the inclination angle of the initial position I, namely, Theta X+ and the inclination angle of a position II opposite to the initial position I, namely, Theta X- are measured; the Theta X is figured out to be equal to one second of Theta X+ added with Theta X-; the two height adjusting mechanisms are adjusted, and the inclination angle, namely, Theta X, output by a testing axle is caused to be equal to Theta X; the inclinometer is rotated by 90 degrees to a position III; by the same way, the inclination angles of the position III and a position IV are measured to be Theta Y+ and Theta Y-; Theta Y is figured out to be equal to one second of Theta Y+ added with Theta Y-; by adjusting the other height adjusting mechanism under the base of the rotary table, the inclination angle of the position IV, namely, Theta Y, output by the testing axle of the inclinometer is caused to be equal to Theta Y, thus finishing the leveling of the rotary table. The rotary table leveling method is characterized by high leveling precision and being capable of adapting to severe environment change, and overcomes defects existing in the traditional leveling method.

The invention relates to a production method of low-ethylether insoluble food grade soybean concentrated phospholipid. The food grade soybean concentrated phospholipid prepared by the method contains no more than 0.05% of ethylether insoluble. The production method of the invention comprises the following key steps: dissolving feed grade concentrated soybean phospholipid with solvent to reduce the viscosity, removing ethylether insoluble impurity through centrifugal settling, then adding food grade hydrogen peroxide to decolor phospholipid under the condition of maintaining the solvent, and finally adopting two-stage evaporation to separate and recycle the solvent and obtain the finished product. The method of the invention solves the problems in the original production of the food grade soybean concentrated phospholipid, overcomes the defect that partial fine particles can not be removed in the filtration method for purification and obtains the low-ethylether insoluble food grade soybean concentrated phospholipid.

The invention relates to the technical field of high-speed railway overhead line system power supply, particularly to a bidirectional brake compensator used for anchoring compensation of a high-speedrailway overhead line system conductor. The bidirectional brake compensator comprises a connecting shaft, a connecting frame, a small wheel wire rope, a large wheel wire rope, a double-lug wedge-shaped wire clamp, a fixing frame, bolt assemblies, a left side plate, locking bolts, a main shaft, a right side plate, a balance plate, an on-line monitor, a pointer, a fixing bolt, a wheel body and a brake. The bidirectional brake compensator can instantaneously brake a high-speed railway overhead line system wire when a wire breakage accident occurs or the compensating tension at the drop end is invalidated at the instant, has a good braking effect and a short braking distance, and has tension locking and bearing capacity being 60kN or higher.

The invention discloses a hydraulic driving device for a large reel type sprinkler. The driving mechanism comprises a hydraulic motor and a hydraulic system, wherein the hydraulic motor is arranged ona reel support frame; an output shaft of the hydraulic motor is connected to a reel shaft through a coupling; the hydraulic system comprises a hydraulic pump, a hydraulic valve block and a hydraulicpump driving device; the hydraulic valve block is fixed to a vehicle body; a three-position four-way directional control valve, a proportional throttle valve, a one-way valve and a two-position two-way directional control valve are arranged on the hydraulic valve block; the hydraulic pump enables hydraulic oil in an oil tank to sequentially pass oil inlets of the proportional throttle valve and the three-position four-way directional control valve and enter the hydraulic motor; return oil of the hydraulic motor sequentially passes an oil return hole of the three-position four-way directional control valve and the one-way valve and returns to the oil tank; the two-position two-way directional control valve is connected in parallel to an oil line between an oil outlet of the proportional throttle valve and the oil inlet of the three-position four-way directional control valve; and an oil outlet of the two-position two-way directional control valve communicates with the oil tank. The hydraulic driving device can supply relatively large reel driving force, can also accurately detect the recovery speed of PE pipes and meanwhile is simple in structure and low in failure rate.

The invention relates to a remote infrared heating line and relative preparation. Wherein, said heating line is formed by core line coated by glycerin and the protective muffle outside the core line. And the preparation comprises; (1) coating glycerin layer; (2) sheathing protective muffle. When two ends of said heating line are connected to the direct or alternative current power, the core line will heat quickly, which is the heat radiation of remote infrared light; the thermal effect of core line is higher than other materials, while the wavelength of said remote infrared light is 8-15micrometer, near to the wavelength 9micrometer of human, which can be absorbed by body.

The invention belongs to the chemical field, and particularly relates to a method for catalytically reducing nitro compound by using carbon monoxide and water as hydrogen sources and supported gold as catalyst. In the method of the invention, the nitro compound is used as substrate in the presence of carbon monoxide and water, the supported gold is used as catalyst, proper cosolvent is added into water phase or water phase system and the corresponding amine is prepared under the temperature of 30 to 50 DEG C. And the nitro compound can be either aliphatic nitro compound or aromatic compound, wherein a substituent group can be formed on the aromatic nitro compound and also can not be formed on, and the substituent groups can be one kind or several kinds of electron-donating base groups and / or electro-attracting base groups. The method has the advantages of easy operation, easily available raw materials, less pollution and high yield, and the catalysts can be easily separated, recovered and recycled.

The invention discloses a high-voltage isolated SCR and IGBT driver based on a wireless power supply technology. The driver comprises a primary power supply circuit (1) and a secondary power reception circuit (2), both the primary power supply circuit and the secondary power reception circuit are sealed, the primary power supply circuit is isolated from the secondary power reception circuit, and power is supplied to the driver in the wireless energy transmission manner between the primary power supply circuit and the secondary power reception circuit. The primary side is neither electrically nor physically connected with the secondary side, problems in insulation materials and assembling technology are avoided, contacts of the insulation material are prevented from being exposed, and the safety, sealing, flexibility, beauty and the like of the driver are higher, high-voltage isolated power supply is realized, and the inherent defects of the contact type energy transmission of a traditional driver are overcome.

The invention discloses a zinc-nickel battery negative electrode sheet and a preparation method thereof as well as a zinc-nickel battery using the negative electrode sheet. The technical scheme of the invention has the key points as follows: the zinc-nickel battery negative electrode sheet is prepared by adopting a continuous double-surface sizing process and the thicknesses of the negative electrode sheet are in graded distribution, wherein the thickness of the battery negative electrode sheet in an area with a relatively high reaction efficiency is 0.31-0.38mm, the thickness of the battery negative electrode sheet in an area with a relatively low reaction efficiency namely a contact part between the battery negative electrode sheet and a battery steel shell is 0.24-0.28mm, and the connection part of the battery negative electrode sheets of the two areas is in circular arc transition. The invention also discloses the preparation method of the zinc-nickel battery negative electrode sheet and the zinc-nickel battery using the negative electrode sheet. According to the invention, by reducing the dosage of active substances at the tail part of the battery negative electrode sheet, the inner space of the battery can be improved and the internal pressure of the battery can be reduced to facilitate the increase and maintenance of electrolyte, so that the cycle life of the battery is obviously prolonged.

The invention relates to the gas-controlled ground well valve, which comprises the interface valve, the main valve and the gas-controlling valve. The interface valve connects the interface base, the guide piston pole inserts in the guide piston spring base, and the guide piston spring is sleeved outside of the piston pole and the spring base; the main piston of the main valve is on the bottom of the main valve base, and the main piston sleeve is outside of the main piston, the main piston springs is between the spring bases, and the side walls of the main piston sleeve have the oil apertures; the gas-control valve piston is at the upper part of the cylinder, the top of the connecting rod connects the bottom of the piston, and the bottom of the connecting rod joints the spring locating sleeve with the oil apertures; the inner wall of the cylinder has the baffle with its central aperture connecting the middle of the connecting rod; the spring locating slot is at the bottom of the cylinder; the oil inlet aperture at the bottom of the cylinder connects the oil transferring pipe; the spring is between the locating sleeve and the locating slot; the oil aperture on the cylinder wall communicates with the main valve chamber; the oil aperture is below the baffle of the cylinder; the air-through hole connects the inlet hole through the air pipe and the interface valve base.

The invention discloses a novel technology for preparing a hydroxypropyl methyl cellulose derivative. The novel technology comprises the steps that hydroxypropyl methyl cellulose, a solvent, a catalyst and an esterifying agent are added into a reaction container, stirring and heating are carried out for an esterification reaction, the temperature is decreased to indoor temperature after the reaction is finished, a precipitating agent is added, and precipitate is filtered and washed to obtain the hydroxypropyl methyl cellulose derivative. The preparation technology is simple and efficient, and has the advantages that the reaction condition is moderate, product aftertreatment is simple, the product yield is high, and acid residue amount is small.

The invention relates to the technical field of electrified railway power supply, in particular relates to a grooved wheel compensation device 100 used by the anchor compensation of electrified railway contact line guide wire (carrier cable and contact wire). The compensation device comprises a connecting hole 1, a connecting frame 2, a nameplate 3, a locking wire hole 4, a steel wire rope 5, a double ear wedge-shape clamp 6, a spindle 7, a locking pin 8, a steel wire rope 9, a balance wheel 10, a wheel body 200 and a braking device 300. The steel wire rope 5 is connected with a weighing mound through the double ear wedge-shape clamp 6, the steel wire rope 9 and the balance wheel 10 through an insulator are connected with the contact line guide wire (carrier cable and contact wire). The high speed electrified railway contact line guide wire (carrier cable and contact wire) can instantly brake when disconnection accidents occur, the braking effect is good and the braking distance is short, meanwhile, the device is provided with the tension lock and 60kN above carrying capacity.