54results about How to "Avoid compromising security" patented technology

An elevator for a distribution line cement wire pole comprises a hoisting bearing rack, a bracket, a positioning rack, a motor reducer and a double-roller winch. The hoisting bearing rack and the bracket are both arranged at the upper end of the cement wire pole. The bracket is arranged below the hoisting bearing rack. The positioning rack is arranged at the lower end, above the ground, of the cement wire pole. The motor reducer and the double-roller winch are arranged at the bottom face of one side of the cement wire rod. The invention further discloses a construction operation method of the elevator. By adoption of the elevator and the construction operation method thereof, a constructor, tools and all kinds of materials can be lifted to an operation point at the top of the wire pole, the labor intensity of field operation personnel for power grid construction can be greatly relieved, the body health of workers in a plateau section is effectively protected, the construction efficiency is improved, the safety and reliability are considered during design, and the safety-first construction principle is ensured.

The invention belongs to the technical field of air conditioning, and aims to solve the problems that an existing refrigerant leakage detection scheme has certain hysteresis quality, and real-time detection of a whole pipeline system cannot be achieved. The control method comprises the steps that the actual pressure drop of a main pipeline, the actual pressure drop of an outdoor unit and the actual pressure drop of each indoor unit are obtained, and the actual pressure drops are compared with respective theoretical pressure drops; and if the actual pressure drop of the main pipeline is larger than the theoretical pressure drop of the main pipeline and the situation lasts for set time, or the actual pressure drop of the outdoor unit is larger than the theoretical pressure drop of the outdoor unit and the situation lasts for set time, or the actual pressure drop of any indoor unit is larger than the theoretical pressure drop of the indoor unit and the situation lasts for set time, it can be determined that refrigerant leakage happens to the multi-split air conditioning system. According to the control method, the pipeline of the multi-split air conditioning system can be detected in all directions in real time, detection lag is avoided, and the operation safety of the multi-split air conditioning system is improved.

The invention relates to the technical field of composite material automobile hub preparation, in particular to a center plate mounting surface structure of a carbon fiber hub. The structure comprisesa hub body, a center plate is arranged in the center of the hub body, a center hole is formed in the center of the center plate, PCD holes are formed in the center plate on the periphery of the center hole, one axial side surface of the center plate is a mounting surface, an aluminum alloy plate surface is arranged on the mounting surface in an attached mode, a first hole corresponding to the center hole of the center plate is formed in the aluminum alloy plate surface, a second hole corresponding to the PCD holes of the center plate is formed in the position, on the periphery of the first hole, of the aluminum alloy plate surface, and a horn-shaped lantern ring is arranged in each PCD hole. According to the center plate mounting surface structure of the carbon fiber hub, abrasion of a carbon fiber material caused by direct contact between the carbon fiber hub and an assembled bolt can be effectively avoided, in addition, direct contact between the carbon fiber material and an aluminum alloy material can be blocked, and the situation that aluminum alloy is corroded in an acid solution, and safety is affected is avoided.

The invention discloses a gas all-insulated and all-sealed high-voltage cable branch box. The gas all-insulated and all-sealed high-voltage cable branch box comprises a branch box, a lead box and a branch box door, wherein the lead box is fixedly connected to the bottom of the branch box, the branch box is hinged and connected with the top of the branch box, a display screen is fixedly embedded onto a surface of the branch box door, the lead box door is hinged and connected with one side of the lead box, an electromagnetic lock is fixedly connected to an inner side of the lead box door, a cooling hole is fixedly connected to the other side wall of the lead box, a three-station SF6 load switch is fixedly connected to an inner cavity of the branch box, and a branch interface is fixedly connected to one side of the three-station SF6 load switch. The gas all-insulated and all-sealed high-voltage cable branch box is reasonable and novel in design, the high-voltage cable branch box integrates functions of theft prevention, temperature monitoring, humidity monitoring, warning, air insulation and sealing, is relatively convenient to use, is relatively high in application safety, has relatively high practicability and is suitable for wide promotion and application, and the branch quantity of a cable can be improved.

The invention relates to a wiring terminal box for a high-voltage switch station, wherein the wiring terminal box belongs to the field of power transmission and supplying equipment. The wiring terminal box comprises a box body with a front opening, and a box door which covers the front opening of the box body. The box door of the box body is hinged with the lower part of the box body. The box door is downwards turned for opening the front opening of the box body. According to the wiring terminal box, a downward box door opening manner can effectively prevent power equipment misoperation caused by grounding of an electric wire terminal in a live maintenance state through error contact with the box door because of artificial error box door contact or box door closing by wind. A right sidewall and a left sidewall of the wiring terminal box can be separated from each other and rotate, thereby maximally opening the box body of a control box, supplying a larger and more convenient cleaning space for inner maintenance of the wiring terminal box, and facilitating cleaning and maintenance of the box body.

The invention discloses a foot washing liquid automatic supply system which comprises a box and an operated-by-foot liquid supply mechanism. The operated-by-foot liquid supply mechanism comprises a pedal drive, a connecting rod, a hydraulic valve element, a first liquid delivery pipeline and a nozzle, two ends of the connecting rod are in power connection with the pedal drive and the hydraulic valve element respectively, a liquid outlet of the hydraulic valve element is connected with a liquid inlet of the first liquid delivery pipeline, a liquid outlet of the first liquid delivery pipeline is connected with the nozzle, the nozzle and the pedal drive are arranged in an up-down corresponding manner, and a first liquid inlet is arranged at the bottom of the hydraulic valve element. By the foot washing liquid automatic supply system, manual operation is not needed in the whole process of foot washing, and foot washing liquid can be applied on feet by treading after directly putting the feet on the pedal drive, so that a function of automatically delivering the foot washing liquid; the system is convenient, quick and more sanitary, extra hand washing water is omitted, and water resources are saved.

The invention provides a column porcelain insulator. When an aluminum steel conductor is fixed by utilizing the column porcelain insulator, the aluminum steel conductor is placed in a first groove first; the first groove is the same as a second groove; a distance from a first fixed hole to a central point of the second groove is the same as that from a first fixed rod to a central point of the first groove; a distance from a second fixed hole to the central point of the second groove is the same as that from a second fixed rod to the central point of the first groove; when a first bolt and a second bolt which are penetrated by nuts are screwed on the first fixed rod and the second fixed rod by penetrating through the first fixed hole and the second fixed hole, the first groove is aligned to the second groove, and the aluminum steel conductor is fixed by a groove formed by the first groove and the second groove, so that the abrasion to the aluminum steel conductor due to micro-vibration is reduced, the probability that the aluminum steel conductor is abraded is reduced, and a power failure rate is reduced; and the fixing mode is firmer than a binding mode, so that the aluminum steel conductor can be prevented from falling, and the personal safety is prevented from being endangered.

The invention provides a mechanized construction method of large underground spent fuel disposal repositories. The mechanized construction method comprises the following steps that S1, firstly, shaftconstruction is carried out; S2, outer ring construction is then carried out; S3, after the construction of an outer ring on one side of a shaft is completed, a main shield machine penetrates throughthe shaft and repeats the construction of an outer ring on the other side of the shaft in the step S2; S4, an inner ring inside the outer ring is then constructed; S5, the step S2, S3 and S4 are repeated, and the construction of the fuel disposal repositories of adjacent layers is completed; and S6, finally, an elevator is built with a hole as a supporting point. According to the mechanized construction method, multi-layer excavation of a lower space can be realized through one shaft, and the shaft is not only the starting shaft but also the receiving shaft of the shield machine, so that the construction cost is saved; and the special outer ring and inner ring circuit design of the multi-layer disposal repositories is beneficial to the shield machine to fully develop the underground spacein time-saving and efficient way, safely and environmentally friendly manners.

The invention provides an electric wrench rack with a water discharging groove and applicable to hot-line work and relates to an electric wrench sleeve assembling and disassembling device. An electric wrench needs to be matched with bolts with different diameters so that a sleeve needs to be frequently replaced; and the sleeve commonly can be disassembled by two people so that the potential safety hazard is great and the efficiency is low. The electric wrench rack comprises a sleeve assembling and disassembling device, a wrench placing rack and a fixed rack, wherein the sleeve assembling and disassembling device comprises a disassembling plate, a sleeve box and a rear plate; the disassembling plate is provided with a plurality of U-shaped clamping grooves; openings of the clamping grooves are chamfered or rounded; the sleeve box is provided with a plurality of sleeve containing cavities; the clamping grooves are communicated with the sleeve containing cavities; a notch is arranged between the disassembling plate and the sleeve box; the fixed rack is provided with an n-shaped slot; a positioning column is arranged on the inner wall of the slot; the positioning column is provided with a screw hole for penetrating a bolt which is abutted against a bucket arm curb frame; a counter bore is formed on the rear face of the fixed rack; an insulating layer covers the surface of the fixed rack; and a water discharging groove is opened on a bottom plate of the sleeve box. According to the technical scheme disclosed by the invention, the assembling and disassembling efficiency of a sleeve is high; and the electric wrench rack is reliable, is good in working safety and is good in insulation.

The invention relates to the field of urban underground space construction methods, in particular to a construction method of an urban underground channel in the same direction as an existing line. Before the channel is excavated, the construction method includes the following steps that S11, deep hole grouting is conducted on an upper half section; S12, an advanced small pipe is driven at an archpart to form a shed protecting support system; and S13, grouting is conducted on the small pipe, and after the steps are completed, the channel is excavated. Deep hole grouting is conducted before the channel is excavated, the shed protecting support system is formed through the small pipe, and support before channel excavation is realized, so that in the excavation process, the stability of a soil body can be guaranteed, and safety accidents are avoided.

The invention provides a mine equipment vibration isolating system, and belongs to related technical field of mining and beneficiation. The system comprises a vibration isolating equipment main body;an elastic structure is arranged in the vibration isolating equipment main body; one end of the vibration isolating equipment main body is connected with one end of vibration equipment, and the otherend of the vibration isolating equipment main body is connected with one end of a working platform; one end of the elastic structure is connected with one end of the vibration isolating equipment mainbody; and the other end of the elastic structure is connected with the other end of the vibration isolating equipment main body. As the elastic structure is arranged in the vibration isolating equipment main body, energy generated by the vibration equipment can be absorbed and released by the elastic structure in the vibration isolating system; and when the vibration amplitude and the frequency of the vibration equipment are changed, the elastic structure can change the energy absorption and release efficiency through adjustment of internal pressure, so that the vibration transferred to the working platform can be effectively isolated or relieved, the influence on the safety and the durability of the working platform is prevented, and the comfort and the health of operators are guaranteed.

The invention discloses a vehicle-mounted image recognition device and method. The device comprises a supporting mechanism, wherein the supporting mechanism comprises a base, a pasting plate, a supporting plate and a positioning connecting plate, wherein the pasting plate is fixedly connected to the interior of the base, the bottom of the pasting plate extends to the bottom of the base, and the supporting plate is fixedly connected to the top of the base. According to the invention, the left-right angle of the camera is controlled by arranging a rotating mechanism, and then the up-down angle of the camera is adjusted through an angle adjusting mechanism, so that the camera is right opposite to scenery needing attention, the effect of comprehensive viewing is achieved, and the problem that an existing vehicle-mounted image recognition device cannot perform comprehensive viewing is solved. The vehicle-mounted image recognition device and method have the advantage that comprehensive checking can be carried out, and the vehicle-mounted image recognition device does not have dead angles when a user uses the vehicle-mounted image recognition device, so that traffic accidents are ensured, and the safety of other people or the user is prevented from being influenced.

The application discloses a lithium battery pole lug cutting device and a lithium battery. The lithium battery pole lug cutting device includes a power mechanism, an upper die base, an upper cutting die, a lower die base and a lower cutting die, wherein the upper die base is connected with the power output end of the power mechanism; the upper cutting die is fixedly mounted on the upper die base, and is provided with at least one arc-shaped cutting part for cutting the pole lug; the power mechanism controls the upper die seat and the upper cutting die to move back and forth in a cutting path; the lower die base is fixedly arranged corresponding to the upper die base; and the lower cutting die is fixed on the lower die base, and is provided with a cutting hole corresponding to the arc-shaped cutting part. Under the driving of the power mechanism, the upper cutting die can cut the outer edge of the pole lug so as to enable the outer edge of the pole lug to be arc-shaped; and compared with the outer edge of the pole lug being cuspidal and convex in the prior art, the pole lug with arc-shaped edge has more smooth transition and can avoid damage to membranes on other battery cells in the subsequent processes of processing and transportation of a battery cell.

The invention discloses a comprehensive extraction process of composite nutrition components of protein, gamma-oryzanol alcohol and vitamin E in rice bran, and belongs to the technical field of food industry. Rice bran is praised as a natural nutrition treasury; however, more than 80% of rice bran is not developed and utilized. According to the process, the protein, the gamma-oryzanol alcohol and the vitamin E in the rice bran are extracted by using rice bran which is ground and screened and can pass through a 100-mesh sieve as a raw material, using milk which is diluted for 2-10 times by water as an extraction solvent and utilizing a hydrophilic component, namely, the protein, lipophilic small molecule fat and the like in the milk according to the similarity and dissolution principle. The process is simple, high in traction rate and low in cost; and the extract obtained in the mode contains rich animal and vegetable protein and various hydrophilic and lipotropy nutrition ingredients, thereby being a novel beverage with comprehensive nutrition. The process develops a new way for comprehensive utilization of the nutrition ingredients in the rice bran, greatly improves the additional values of the rice bran, and has significance on comprehensive utilization of the rice bran and environment protection.

The invention provides a distributed wireless charging method and system. The system comprises a primary side device and a secondary side device. The secondary side device comprises a plurality of independent sub battery packs which are arranged at different positions of an electric vehicle in a distributed manner, and independent secondary side receiving coils and battery management systems whichare connected with the sub battery packs at different positions. The independent secondary side receiving coils are matched with primary side transmitting coils of the primary side device. The battery management systems are connected to a secondary side control unit. Charging control and equalization charging management of batteries are carried out through the primary / secondary side control unit.By using the system, balanced management and cooperative work of the vehicle-mounted sub battery packs can be realized, the electromagnetic radiation intensity in the charging process is reduced, andthe charging safety is improved.

The invention discloses a multilayer environmentally friendly automobile carpet. The carpet includes a felt cloth surface layer. The upper surface of the felt cloth surface layer is provided with a fine hair layer. The lower side surface of the felt cloth surface layer is fixedly connected to a piercing-resistant layer through a glue binding layer. The lower side of the piercing-resistant layer isprovided with a steel mesh layer. The lower side surface of the steel mesh layer is sewn together with a gunny cloth layer to be one body. The lower side surface of the gunny cloth layer is providedwith a degradable plastic basal layer. The lower surface of the degradable plastic basal layer is provided with antiskid bulges. The multilayer environmentally friendly automobile carpet is reasonablein structure. The strength of the carpet can be effectively increased by adding the steel mesh layer, and the static generated by the carpet can be guided to avoid affecting the safety of a vehicle.Through arrangement of the piercing-resistant layer, the carpet can be protected from being pierced by a broken steel mesh and broken antistatic copper wires, thus protecting personal safety of users.The automobile carpet can be naturally degraded after being damaged by adding the degradable plastic basal layer, which is friendly to environment, free from pollution, and suitable for popularization and application.

The invention relates to the technical field of machinery, and discloses an independent suspension, which is characterized in that one side of a main cross beam is fixedly connected with a first vehicle body connecting bracket, one side of the first vehicle body connecting bracket is provided with a vehicle body fixing position, and one side of the vehicle body fixing position is fixedly connectedwith a main steel body through the fixing position; a first piston is arranged in the main steel body, a pressure bearing is arranged in the first piston, a first main shaft is inserted into the mainsteel body, the top of the surface of the first main shaft is sleeved with a damping rubber mat, the surface of the first piston is provided with a main one-way valve, and the middle of the surface of the first main shaft is sleeved with a spring. According to the independent suspension, through the arrangement of the pressure bearing, when the independent suspension is used, the balls are adopted to replace a conical roller body, extrusion deformation of the conical roller body is avoided, the thick round sleeve is adopted to replace a sheath, the strength is improved, machining is convenient, maintenance is more convenient, the service life is prolonged, time and labor are saved, and the safety of the independent suspension is greatly improved.

The invention discloses a switch valve for a water pipe with anti-siphon phenomenon. The switch valve comprises a closestool body, a switch control valve, a water tank water inlet and an anti-leakingbolt; a sewer pipe is mounted at the upper end of the inner side of the closestool body; a sewage pipe is arranged at the lower end of the inner side of the closestool body; the switch control valve is positioned on the inner side of a water tank; a fixed rod is arranged on the left side of the switch control valve; the water tank water inlet is positioned on the left lower side of the water tank;the left end of the water tank water inlet is connected with a valve body; the anti-leaking bolt is positioned at the left end of the valve body; rubber pads are arranged on the inner sides of the anti-leaking bolt and the water tank water inlet; and the left end of the anti-leaking bolt is connected with an outer connecting water pipe. The switch valve for the water pipe with anti-siphon phenomenon cleans closestools by using a siphon mode, so that the water quantity is conveniently controlled, the waste is prevented, and the problems of easy pollution of external water sources and influenceon household drinking water due to suction of water, in the water tank, into the outer connecting water pipe due to the siphon existence in water stop are solved.

The invention belongs to the technical field of lithium batteries, and particularly relates to a new energy explosion-proof lithium battery. The lithium battery comprises a shell, a cover plate and abattery cell; the battery cell is fixedly arranged in the shell; the cover plate and the shell are welded through ultrasonic waves or lasers; the battery cell is electrically connected with an electrode on the cover plate through a lead; the cover plate comprises a main body, and electrodes are fixedly mounted at the two ends of the main body; a weak groove is formed in the middle of the main body; a deformation plate is fixedly mounted in the weak groove; an extrusion column is mounted in the weak groove in a sliding manner; a puncture block is arranged at the upper end of the extrusion column; the lower end of the extrusion column is tightly attached to the deformation plate; the deformation plate is made of a bimetallic strip; a second sealing film is fixedly mounted in the weak groove;and the deformation plate is located above the second sealing film. The lithium battery is simple in structure and high in pressure relief precision, and meanwhile, can disconnect the battery from anexternal circuit when the battery is damaged to protect the external circuit.

The invention discloses a layered message distribution method, electronic equipment and media. The method includes the steps of: acquiring a target identification code corresponding to a target message; establishing a target distribution system with a network cascade structure; based on the target distribution system, The target identification code is sent to the client at the level of the target distribution system one by one. The target distribution system includes broadcast center modules of multiple distribution levels and a configuration management module connected to the broadcast center module of the highest distribution level, wherein, in multiple distribution levels In, the target identification code is sent one by one to multiple broadcast center modules and / or configuration management modules in the next distribution level through each broadcast center module in any distribution level; the target identification code is sent through each broadcast center module in the highest distribution level A configuration management module sends a plurality of clients one by one; the present invention can realize sub-second sending of messages for more than tens of millions of users, shorten sending time and improve sending efficiency.

The invention discloses a message distribution method based on mesh cascading, electronic equipment and media. The method includes the steps of: acquiring a target identification code corresponding to a target message; establishing a target distribution system, and the target distribution system includes: a plurality of The broadcast center module at the distribution level and the configuration management module correspondingly connected to the broadcast center module at the highest distribution level; obtain the target time list, traverse the target time list and when any time value is not less than the preset time threshold, distribute the target The system is divided into a first unit and a second unit; based on the first unit and the second unit, the target identification code is sent to the client at the distribution level one by one; The amount of messages can be sent at sub-second level, which shortens the sending time and improves the sending efficiency.

The invention discloses a vehicle-mounted image recognition device and method, comprising a support mechanism, the support mechanism includes a base, a pasting board, a support board and a positioning connecting board, the pasting board is fixedly connected inside the base, the pasting board The bottom of the base extends to the bottom of the base, and the support plate is fixedly connected to the top of the base. The present invention controls the left and right angles of the camera by setting a rotating mechanism, and then adjusts the up and down angles of the camera through an angle adjustment mechanism, so that the camera is facing the scene that needs attention, thereby achieving the effect of being able to conduct a comprehensive view, and solving the existing problems The problem that the vehicle-mounted image recognition device cannot be fully checked, the vehicle-mounted image recognition device and method have the advantage of being able to perform a comprehensive view, and the vehicle-mounted image recognition device will not appear dead when the user is using it, thereby ensuring car accidents and avoiding Affect the safety of others or yourself.

The invention relates to a vehicle instrument device with a charging device. A vehicle is provided with a vehicle frame unit. A head pipe of the vehicle frame unit is provided with a steering mechanism, and the position, facing the front portion of a vehicle body, of the head pipe at least is provided with an instrument device fixing base which is connected with the vehicle instrument device through a supporting frame. The vehicle instrument device is characterized in that a containing part is formed in a base of the instrument device, and the charging device is installed inside the containing part of the base; when a driver wants to use the charging device, the driver can use the charging device very conveniently without any obstruction, and meanwhile the charging device has a good dustproof property and a good water draining property.

The invention discloses horizontally-triggered self-rescue equipment for a small vehicle falling from a mountain slope, which comprises a mounting plate, wherein the side, which is away from a track groove, of an electromagnetic rod is fixedly connected with a casting cylinder; a spherical pneumatic pump is fixedly connected to the side, which is close to a pneumatic rod, of an inner cavity of thecasting cylinder; a horizontal triggering chemical mechanism is fixedly connected to the middle position of the inner cavity of the casting cylinder; a cross traction rope is fixedly connected to theside, which is away from the spherical pneumatic pump, of the horizontal triggering chemical mechanism; the end, which is away from the horizontal triggering chemical mechanism, of the cross tractionrope is fixedly connected with a spiral acceleration mechanism; and the side, which is away from the cross traction rope, of the spiral acceleration mechanism is fixedly connected with an ejection hook claw mechanism. The invention relates to the technical field of self rescue of vehicles. Projection is accelerated through air pressure, spiral falling is carried out, the embedding depth of a hookclaw is increased, the traction force is ensured, the vehicle is effectively protected, horizontal inclined triggering is achieved, manual operation is not needed, the aging accuracy is ensured, andthe vehicle safety is prevented from being affected.

The invention relates to the technical field of ultrasonic treatment, in particular to a breast fixing device. Thebreast fixing device includes afixing ring for being arranged outside the root of a breast in a sleeving mode, and a fixing belt which is installed on the fixing ring and used for being worn by a human body; at least one supporting arm extending from the root of the breast to the front portion of the breast is arranged on the fixing ring, and a supporting component used for being attached to the front portion of the breast is arranged at the front end of the supporting arm. The breast fixing device has the advantages that the breasts can be effectively fixed, the situation that the breasts shake, and consequently the treatment safety is affected is avoided, meanwhile, acoustic beam shielding on treatment ultrasound can be reduced, and the treatment effect is prevented from being affected.

The invention provides a signature key generation method and a corresponding signature key generation system, a digital signature generation method, a digital signature verification method, a digital signature generation system, a digital signature verification system, computer equipment and a computer readable storage medium. The signature key generation method comprises the following steps: generating system parameters through a first key generation center KGC1 and a second key generation center KGC2; a signature private key and a user signature primary public key are generated. According to the signature key generation method, the user can effectively control the signature key, and the safety problem of the hosting problem of the user key, namely the complete control of the KGC on the user signature key under the single KGC, is solved.

Concrete pole lift for distribution lines, including hoisting bearing frame, support frame, positioning frame, motor reducer and double-drum winch; hoisting bearing frame and support frame are set on the upper end of cement line pole, and support frame is set under the hoisting load frame , the positioning frame is arranged on the lower end of the cement pole above the ground, and the motor reducer and the double-drum winch are arranged on the bottom surface of one side of the cement pole. The invention also discloses a construction operation method of the elevator. The invention can lift construction personnel, tools and various materials to the working point on the top of the wire pole, which can greatly reduce the labor intensity of field workers in power grid construction, effectively protect the health of workers in plateau areas, and improve construction efficiency, and The design takes safety and reliability into consideration and ensures the construction principle of safety first.

The invention provides an outer rockfall protection enclosure for caisson construction, which includes a warning light bar and a waterproof support rod; The supporting wheels are rotatably connected to the bottom of the light guardrail; the LED lighting strip is installed on the light guardrail, and the LED lighting strip is connected to the external control circuit through the power line; there are four fences, and the four fences are respectively Installed on the top end faces of four lightweight guardrails; the inner side of the rockfall storage tank is inclined, and the rockfall storage tank is installed on the light guardrail; the warning light bar is long, and the warning light bar is installed on the light It is conducive to the movement of the device, so that the device can be installed at the wellhead of the caisson in a circular shape, and the wellhead can be surrounded and protected to prevent the loosened gravel at the wellhead from rolling down to the bottom of the caisson, resulting in Security risks.