134results about How to "Guaranteed contact effect" patented technology

The invention provides a helical motion type pipeline surface cleaning mechanical arm. The mechanical arm comprises gear ring rails, a bracket, a drive case, a driven case, a screw rod, a feed rod, a working device and a power supply device, wherein the gear ring rails are two; the drive case and the driven case are arranged on the gear ring rails through the bracket with a roller respectively; a first gear connected with an output shaft of a motor reducer in the drive case, a second gear arranged at one end of the feed rod and a fourth gear on an input shaft in the driven case are engaged with the gear ring rail respectively, and rotate relatively along the gear ring rail; the other end of the feed rod is connected with the input shaft of the driven case; one end of the feed rod is connected with the output shaft of the driven case, while the other end is supported against the body of the drive case; the screw rod and the feed rod are parallel with each other; the working device is arranged on the screw rod and the feed rod, and translates along the screw rod and the feed rod; and the drive case and the working device are connected with the power supply device respectively. The mechanical arm can automatically clean the anticorrosion layer on the pipeline surface, saves time and power, and is suitable for maintenance and cleaning of petroleum pipelines, natural gas pipelines and the like.

The invention discloses a full-automatic test device. The full-automatic test device comprises a first rack, a second rack and a third rack, wherein the first rack, the second rack and the third rack are arranged along the X axis, the first rack is provided with a first conveying mechanism used for conveying tested components and a transfer positioning platform used for positioning the tested components, the first rack is provided with a first carrying mechanism used for carrying the tested components to the transfer positioning platform, the second rack is provided with a plurality of test mechanisms used for detecting whether the tested components are qualified or not in a rectangular array mode, all the test mechanisms are connected with a detection unit, the third rack is provided with a material receiving unit used for colleting qualified products and unqualified products respectively, and a second carrying mechanism is arranged on the side face of the first rack, the side face of the second rack and the side face of the third rack, and is used for carrying the tested components on the transfer positioning platform to the test mechanisms to be detected and then placing the tested components on the material receiving unit after detection is carried out. Automatic line circulating operation is achieved, no personnel are needed for watching over, operation efficiency and detection efficiency are improved, and the full-automatic test device is stable in detection and good in detection effect.

The invention discloses a preparation method of a sliver oxide contact material with base body performance-strengthening additives and a product thereof. The preparation method comprises the following steps: preparing an additive alloy with strengthening performance, oxide powder, other additive powder and a sliver ingot which are used as raw materials into powder by water atomization, mixing powder, pressing an ingot, sintering, extruding and finally drawing or rolling to prepare a contact material finished product. The sliver oxide contact material disclosed by the invention has a sliver base body with good electrical performance and mechanical performance, oxide particles and other additive materials are uniformly dispersed in the sliver base body, so that the contact material is ensured to have the characteristics of being uniform and stable in electrical performance, good in processing performance, and the like. Compared with the conventional sliver oxide contact material, the material prepared by the process in the invention has higher burning loss resistance, electro-transfer resistance and fusion welding resistance, can satisfy volume miniaturization and performance optimization needs of a low-voltage electrical appliance. Moreover, the process disclosed by the invention is simple and suitable for mass production. The prepared silver oxide product can be widely applied to a relay, a contact and a circuit breaker.

The invention relates to a fully-compliant deformable robot with the controllable rigidity. The fully-compliant deformable robot with the controllable rigidity mainly comprises first fixing ends, sleeve shells, abrasive particle spheres, air suction fixing ends, first air bag rods, second air bag rods, first fixing ends, second telescopic sleeves, inflation control ends, seal nets and first telescopic sleeves. According to the fully-compliant deformable robot with the controllable rigidity provided by the invention, the rigidity of connecting rods can be controlled according to the demands ofdifferent occasions, so that a contact effect of a robot body and a contact substance can be better ensured, an original characteristic of a parallel mechanism can be ensured, and the fully-compliantdeformable robot can be deformed and moved through control; and when the rigidity of one section is lower, the mechanism at the section does not have the characteristic of the parallel mechanism, butthe joint part is flexible so as to be deformed at will, and an upper platform and a lower platform can be radially contracted to a small extent, so that the robot can favorably enter a complicated terrain and carry out suspension and sharp turning. The fully-compliant deformable robot with the controllable rigidity provided by the invention is fully compliant so as to have better performances during detecting and rescuing processes.

The present invention discloses a leg muscle massage device. The leg muscle massage device comprises a base seat, the base seat comprises a control part and a massage part, the control part is arranged below the massage part, the massage part comprises a plurality of massage groups, the massage group comprises a driving roller and two massage rollers, sliding grooves are arranged in both side walls of the base seat, the massage rollers rotate in the sliding grooves, connecting shafts cooperate with the sliding grooves, a bottom fabric layer arranged on the base seat wraps outside the massage rollers, the driving roller is rotatably arranged on the base seat, the driving roller is arranged between the two massage rollers and under the two massage rollers, positioning plates are arranged at both side of the base seat, the positioning plates are provided with an airbag, a side fabric layer arranged on the positioning plates wraps outside the airbag, the side fabric layer and the bottom surface fabric layer are connected to form a cover of the base seat, the side fabric layer is provided with lateral electrical stimulation units, and the bottom fabric layer is provided with positive electrical stimulation units. The device effectively massages muscles, promotes blood circulation, and simultaneously performs electrical stimulation, so that the muscles are massaged accompanied by proper muscle contraction.

The invention discloses a PCB board card signal line LOSS testing device. The device comprises a base, a cross beam, clamping arms and a clamping device; a probe is arranged in the clamping device, the lower end of the probe extends out of the clamping device, the clamping device is installed on the cross beam, the clamping arms are distributed on the two sides of the clamping device, and the distance between the clamping arms on the two sides is equal to the width of a PCB card; the base is arranged at the lower part of the cross beam, and the PCB card is placed on the base; hanging holes areformed in the two ends of the cross beam, hanging rods corresponding to the hanging holes in position are arranged on the two sides of the base, tension springs are arranged on the hanging rods, oneends of the tension springs are hung on the hanging rods, and the other ends of the tension springs are hung in the hanging holes. The clamping device is arranged on the cross beam, the probe is installed in the clamping device, the clamping arms are arranged on the two sides of the clamping device, a PCB is clamped through the clamping arms, meanwhile, the probe is kept in contact with a test point of the PCB through the tension spring, and the accuracy of test data is guaranteed.

The invention discloses a high-accuracy anti-oxidation electrode, and belongs to the field of high-accuracy electrodes. According to the high-accuracy anti-oxidation electrode, a base of the electrodeis made from aluminum, and the surface of the base is painted with a gold material coating; therefore, with the application of the treatment mode, the conductivity of an electrode main body is guaranteed, and oxidation resistance of the electrode main body is enhanced, so that the electrode can serve for a long time. An under-pan, which functions as fixing, is arranged at the outer side of the electrode main body, and a stable base is formed in the part, in correspondence to a lead hole, of an electroencephalogram cap, so that firm fixing can be guaranteed, and the electrode can be partiallydetached under such special situations that the number of leads is reduced and the like; therefore, modularization and professionalization are achieved.

The invention discloses an energy-saving heat pump type intermediate-temperature spray evaporation system which comprises an evaporation and separation chamber, a condenser, an evaporator, a water cooler, a heat pump, an axial-flow blower, a circulating water pump, a throttling device and a gas-liquid separator/purifier. The interior of the evaporation and separation chamber is divided into an evaporation chamber and a separation chamber through a separation plate. The evaporation chamber and the separation chamber are communicated through a hot air outlet between the top of the separation plate and the evaporation and separation chamber. The axial-flow blower is mounted on the separation plate, a cold water inlet is reserved in the separation plate, and the hot air outlet is reserved in the top of the separation plate. A liquid storage area is arranged at the bottom of the evaporation chamber, and a spraying system is mounted at the top of the evaporation chamber. The liquid storage area of the evaporation chamber is connected with the spraying system at the top of the evaporation chamber through the circulating water pump and the condenser. The evaporator and the water cooler are sequentially arranged in the separation chamber from top to bottom. The evaporation chamber is connected with an air inlet of the heat pump through the gas-liquid separator/purifier. An air outlet of the heat pump is connected with the condenser. The condenser is connected with the evaporator through the throttling device. The system is small in occupied area, low in running cost, flexible and convenient to operate and suitable for being used and popularized.

The embodiment of the invention provides an all-tab battery roll core kneading device and a kneading method. The all-tab battery roll core kneading device comprises a battery clamping device and a kneading device. The kneading device can move along the direction close to or far away from the battery clamping device. A kneading head assembly is mounted on the kneading device. The kneading head assembly can feed along the radial direction parallel to the pre-kneading end surface of the full-tab battery roll core. The battery clamping device and the kneading device can rotate relatively, so that the kneading head assembly can press tabs on a full-tab battery roll core one by one from outside to inside. The kneading head assembly on the kneading device can press tabs on the full-tab battery roll core one by one from outside to inside along the radial direction of the pre-kneading end surface. Therefore, the pressing directions of the tabs of the roll core of the full-tab battery are consistent, the contact effect between the tabs is ensured, and the current collection effect of the full-tab battery is further improved. According to the kneading device, the tabs cannot be shattered, and the safety of the full-tab battery is greatly improved.

The invention relates to the technical field of piezoresistor discs for lightning arresters, in particular to a zinc oxide resistor disc and a preparation method and application thereof. The zinc oxide resistor disc provided by the invention is prepared from the following raw materials in percentage by mole: 85-95% of ZnO, 0.01-4.0% of Bi2O3, 0.01-4.0% of Sb2O3, 0.05-3.0% of Co2O3, 0.01-2.0% of MnO2, 0.01-3.0% of NiO, 0.01-2.0% of Fe2O3, 0.01-2.0% of A12O3, and 0.01-2.0% of Dy2O3. According to the zinc oxide resistor disc provided by the invention, a toxic substance Cr2O3 does not need to be added, various components including ZnO, Bi2O3, Sb2O3, Co2O3, MnO2, NiO, Fe2O3, Al2O3 and Dy2O3 cooperate with each other, such that the zinc oxide resistor disc has the excellent performances of highpotential gradient, high square wave through-flow capacity, low residual voltage, high square wave current and large current impact resistance, good aging resistance and the like.

The invention relates to a municipal telecommunication cable laying guardrail structure and its laying method. Firstly, the improved part of the buried connection structure is to set two buried supports. Underground connection structures are required for transition, and in the current situation, most cases have guardrail transitions, so there is no need for excavation on municipal roads with guardrail transitions, and the internal lines can be directly connected by means of guardrail installation. At the same time, through the chute structure set on the support base, the lower cross bar can be slid down when needed, digging the road under the lower cross bar, and gradually completing the cable laying, and even if the lower cross bar is not buried in the ground , can still be connected, and the initial laying is completed. When the time and traffic pressure are a little more generous, the follow-up steps are completed by excavating the road surface, which has the effect of laying, ensuring safety and convenience, greatly improving efficiency and relieving traffic pressure. .

The invention discloses a hierarchical porous pole piece and a preparation method thereof. Grading coating and pore forming agent addition are utilized to perform grading regulation and control on thepore structure of the pole piece, thereby enhancing the liquid absorption capacity of the pole piece, ensuring the maximization of the active substances, and ensuring the energy density of the battery on the basis of enhancing the electrochemical properties of the pole piece. The pole piece and a lithium piece are assembled into a button cell, it is proved that the material shows excellent electrochemical performance, the electrode polarization can be effectively reduced, and the energy density and the cycling stability of the cell are improved.

The invention relates to a power supply module test device, comprising a test base. The test base is provided with a test circuit and a contact member which is used for matching with contacts of the power supply module in a press-contact mode. The contact member is electrically connected to the test circuit. During usage, the power supply module is connected to the test circuit through the pressing match between the contact member of the test base and the contacts of the power supply module, the contacts are guaranteed not to be damaged, and at the same time, a quick test of the power supply module is realized.

The present invention discloses a novel movable disinfection door suitable for various occasions and belongs to the technical field of disinfection safety. The novel movable disinfection door comprises a disinfection door frame, an in-and-out door frame, a base seat and a top cover; a disinfection chamber running through a front end an rear end is formed in the disinfection door frame, three pairsof ultraviolet lamp tubes are symmetrically arranged on a left side and a right side of the disinfection chamber, the ultraviolet lamp tubes are embedded in the disinfection door frame, a pedal platform is arranged at a bottom end of the disinfection chamber, and two pairs of sterilizer nozzles are clamped on a left side and a right side of the pedal platform; the sterilizer nozzles are internally embedded with disinfectant boxes, lower left ends of the sterilizer nozzles are provided with disinfectant pipes in a penetrating manner and the disinfectant pipes communicate with the disinfectantboxes. The disinfection door conducts high-efficient and contactless disinfection of passing people through a cooperation manner of ultraviolet radiation sterilization and multiple spot spraying, andavoids contact infection of staff and passing people. Besides, the movable structure facilitates laying of the disinfection door and entrance guard passing region, and improves suitability and practicality of the disinfection door.

The invention discloses a chicken coop for randomly rearing chickens. The chicken coop comprises a chicken coop body, wherein a partition plate is arranged inside the chicken coop body, the upper portion of the partition plate is a laying room, the lower portion of the partition plate is a collecting room, a through hole communicated with the laying room and the collecting room is formed in the bottom of the partition plate, a water trough is arranged in the collecting room, a guiding pipe is arranged on the water trough, a grain scattering device is arranged on the chicken coop body and comprises a base, a guiding pipe and a supporting rod, the base is fixedly connected with the chicken coop body, the guiding pipe and the supporting rod are fixedly connected with the base, a sliding block is in sliding connection with the guiding pipe, a plurality hoppers are hinged to the sliding block, the side, facing the supporting rod, on the sliding block is provided with a plurality of ratchets, limiting pawls matched with the ratchets are hinged to the supporting rod, a lever is hinged to the supporting rod, a connecting rod is hinged to one end of the lever, a driving pawls matched with the ratchets are arranged on the connecting rod, and a water hopper is arranged at the other end of the lever. The problem that chickens hatch eggs and accordingly a guarantee period of the eggs is shortened is avoided.

The invention discloses a high-efficiency aluminum material surface drawing device. The high-efficiency aluminum material surface drawing device comprises a rack. A base plate is arranged on the rack.A top plate is arranged above the base plate. A driving roller and a driven roller are connected to the two ends of the top plate correspondingly. A sanding belt is connected to the driving roller and the driven roller in a sleeving manner. A tensioning roller is connected above the top plate through a first hydraulic cylinder and arranged inside the sanding belt. A pressing plate is arranged atthe position, between the top plate and the base plate, inside the sanding belt. Guiding rollers are connected to the two sides of the pressing plate correspondingly. A second hydraulic cylinder is connected to the pressing plate and the top plate. Multiple groove holes are formed in the pressing plate, wherein the groove holes are uniformly distributed. Multiple air nozzles are connected to the bottom end of the top plate, wherein the air nozzles are uniformly distributed. By means of the high-efficiency aluminum material surface drawing device, work efficiency is improved; and the high-efficiency aluminum material surface drawing device has the advantages that the drawing effect is good, environmental pollution is small, and resources are saved.

The invention relates to a fixing device for industrial adhesive product production. The fixing device comprises a base, a fixing mechanism for clamping an industrial adhesive product at the top end of the base, and a transmission mechanism for driving the fixing mechanism to directionally move in the base, wherein the fixing mechanism is in sliding connection with the upper surface of the base, and the transmission mechanism is fixedly connected to the lower end of the fixing mechanism; and the fixing mechanism comprises a fixing table for containing the industrial adhesive product, vertical clamping plates which are arranged at the two sides of the upper end of the fixing table and are parallel to each other, and a transmission rod for driving the clamping plates to move horizontally, an electronic scale is arranged at the upper end of the fixing table, a pressure sensor is arranged in the middle of the transmission rod, and the pressure sensor and the electronic scale are electrically connected to a controller respectively. According to the fixing device for industrial adhesive product production, materials in various shapes can be fixed through the fixing mechanism, the electronic scale and the pressure sensor on the fixing mechanism can measure the weight of the fixed materials and monitor the clamping force, and damage to a clamped object can be avoided while the fixing effect is guaranteed.

The invention relates to the technical field of high-voltage devices, and discloses a vacuum explosion chamber with a static side buffer, comprising a casing of the vacuum explosion chamber. The interior of the casing is provided with a static side contact and a moving side contact from top to bottom. A buffering conductive component is disposed between the static side contact and the casing, andthe buffering conductive component is used for buffering rigid contact between the static side contact and the movable side contact when closing, and does not create additional impact when breaking. Adirect current circuit breaker is also disclosed, including the vacuum explosion chamber described above. The vacuum explosion chamber and the direct current circuit breaker of the invention are simple, reliable, and easy to apply, and have good marketing value.

The invention discloses a Venturi rod layer with non-uniform rod distances. The Venturi rod layer is characterized in that: the Venturi rod layer comprises at least more than one non-uniformly distributed corrosion-resisting metal or nonmetal solid rod or hollow pipe assembly, and the distance among the rod assembly or the pipe assembly is determined by the gas flow distribution in the zone where the rod assembly or the pipe assembly are installed. The Venturi rod layer is disposed between a gas feeding section of a spraying tower and a first spraying device and/or in a gas adsorption section. The Venturi rod layer provided by the invention can give better play to the Venturi effect generated when gas flows through converging-diverging paths among rods, and therefore (1) "homogenization" adjustment of gas bias current in the gas feeding section of the spraying tower and/or low-gas-velocity distribution of the high side wall in the center of the tower are achieved so that the gas flowing through the rod layer approximates to "plug flow", thus increasing the gas-liquid contacting efficiency; (2) a highly-turbulent liquid thin layer is formed on the surface of the rod layer so that efficient bubbling mass transfer of "gas in liquid" can be achieved when the gas is flowing through the rod layer zone, thus significantly increasing the mass transfer efficiency; and (3) "self-cleaning" of the rods can be achieved by high-speed washing and turbulence of gas flow among rod gaps.