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62results about How to "Guaranteed maintenance" patented technology

Battery liquid cooling temperature prediction method based on thermal resistance network

PendingCN119476100AWidely used valueCalculate temperature distribution in real timeDesign optimisation/simulationThermometer applicationsThermodynamicsHeat flow
The invention relates to a battery liquid cooling temperature prediction method based on a thermal resistance network, and the method comprises the following steps: analyzing the heat dissipation condition of a geometric model, and mastering the overall heat flow direction; node division is carried out on the whole model, and preparation is made for constructing a thermal resistance network; thermal resistance value calculation, wherein a thermal resistance network is divided into battery heat conduction thermal resistance, liquid cooling plate heat conduction thermal resistance, cooling liquid convection thermal resistance and enthalpy change thermal resistance; combing the series-parallel connection relation of the thermal resistance between the network units to form a complete thermal resistance network model; the transient temperature of all nodes can be calculated through a calculation formula by calculating the thermal resistance value between the nodes. According to the method, the temperature distribution of the battery under the liquid cooling effect is rapidly and accurately predicted, a reliable basis is provided for real-time temperature monitoring, the problem that the thermal resistance calculation of the liquid cooling plate is complex is solved, and meanwhile the technical problem that the complex calculation problem caused by follow-up structure and parameter optimization can be rapidly solved through the universality of the method is needed to be solved at present. Compared with the prior art, the device has good market prospect and development space.
Owner:HENAN UNIV OF SCI & TECH

High-strength grouting material supporting and intelligent maintenance system for fan foundation

The invention provides a fan foundation high-strength grouting material supporting and intelligent maintenance system which comprises a supporting structure and an intelligent maintenance structure, the supporting structure comprises steel formworks distributed around the circumference of the side edge of a fan foundation high-strength grouting material, and gaps between the upper ends of the steel formworks and the side face of the fan foundation high-strength grouting material are filled with elastic pieces; the intelligent maintenance structure comprises a sensor, a controller and a maintenance cover capable of containing the fan foundation, a keel support is arranged on the inner side of the maintenance cover, a heat preservation layer is arranged in the maintenance cover, a plurality of water pipes with sprayers are arranged at the position, at the upper end of the fan foundation, in the maintenance cover, and a heater is arranged in the middle of the maintenance cover. A sensor is arranged on the fan foundation high-strength grouting material and used for detecting temperature or / and humidity, and the controller is used for controlling actions of the heater or / and the spray head according to detection results of the sensor. The supporting and intelligent maintenance functions of the high-strength grouting material of the fan foundation can be achieved.
Owner:SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP

Automatic concrete curing device and method

PendingCN119466363ARealize automatic maintenanceGuarantee the quality of maintenanceService pipe systemsLiquid spraying apparatusWater storageMechanical engineering
The invention discloses an automatic concrete curing device and method.The automatic concrete curing device comprises a spraying mechanism and a water supply mechanism, and the spraying mechanism is used for spraying concrete needing to be cured; the water supply mechanism is used for supplying water to the spraying mechanism and comprises a water bucket, a water inlet pipeline, a water pump and a liquid level controller, and the water bucket is used for storing water; the water inlet pipeline is connected to the water bucket and used for supplying water to the water bucket, and a water inlet electromagnetic valve is arranged in the water inlet pipeline and used for controlling on-off of the water inlet pipeline; the water pump is connected to the bucket and the spraying mechanism and used for pumping water from the bucket and feeding the water into the spraying mechanism; the liquid level controller is used for detecting the water level in the bucket and connected to the water pump and the water inlet electromagnetic valve, and when the liquid level controller detects that the water level is lower than a first preset water level, the water pump is controlled to stop working; when the liquid level controller detects that the water level is higher than a second preset water level, the water inlet electromagnetic valve is closed, and the second preset water level is higher than the first preset water level.
Owner:MUNICIPAL ENVIRONMENTAL PROTECTION ENG CO LTD OF CREC SHANGHAI GRP +1

Light-emitting lamp box with multi-aluminum-profile combined structure

The light-emitting lamp box of the multi-aluminum-profile combined structure comprises an outer frame, a support is fixed to the back of the outer frame, the bottom of the support is connected with a base, and a detachable picture box body is arranged in the outer frame; the picture box body comprises a box door and a box body shell, the box door comprises a box cover door and a canvas door, one side of the box cover door is rotationally connected with one side of the box body shell through a stainless steel row chain, and one side of the canvas door is rotationally connected with one side of the box cover door through another stainless steel row chain; the rotating directions of the box cover door and the canvas door are opposite; the box body shell comprises a plurality of LED lamps irradiating forwards, a cam lock is arranged on the other side of the box body shell, a lock catch groove matched with the cam lock is arranged on the other side of the box cover door, and opening and closing of the box cover door are achieved by rotating the cam lock. A replaceable picture is arranged in the canvas door, and the middle position of the box cover door is of a transparent structure through which the replaceable picture can be seen. According to the invention, the convenience of picture replacement, the high efficiency of repair and maintenance and the flexibility of assembly type production are integrated.
Owner:SHANGHAI KONGBO IND

Anti-cavitation settling device for evaporative cooling condenser

ActiveCN224524229Ushorten the pipe lengthLittle resistance loss
The utility model belongs to evaporative cooling condenser technical field discloses a kind of anti-cavitation settling device for evaporative cooling condenser, including water tank, water tank bottom is connected by flange and is settled in the water inlet of pool, and filter screen is arranged at the water inlet of pool, and the bottom of pool is equipped with blowdown, and blowdown ball valve is arranged at blowdown, and water outlet pipe is arranged in one side in the middle lower part of pool, and water outlet pipe is connected the water inlet of water pump by pump front pipeline, and the water outlet pipe of other end of water pump is connected with pump rear pipeline, and pump rear pipeline terminal is set in the top of cooler, and pool and water pump are set on the base of water tank bottom;The utility model solves the problem of equipment ultra-wide and ultra-limit, ensures the treatment effect of evaporative cooling condenser, the pool can store a small amount of water to improve the liquid level height before pump, reduce steel structure, also make the static pressure of pipeline before pump sufficient, meet the selection requirement of conventional water pump.
Owner:LONGHUA TECHNOLOGY GROUP (LUOYANG) CO LTD

Multifunctional electromagnetic heating device

The utility model provides a multifunctional electromagnetic heating device which comprises a device body, an electromagnetic heating main circuit board and an output capacitor used for filtering are arranged in the device body, and the output end of the electromagnetic heating main circuit board is connected with an induction coil used for being wound on a coupling. The output capacitor is connected between the electromagnetic heating main circuit board and the induction coil, a control circuit board and a temperature control displayer are arranged on the side face of the device body, the input end of the control circuit board is connected with temperature sensors fixed to a coupling and a traction motor driving shaft, and the output end of the control circuit board is connected with the temperature control displayer. A cooling fan is arranged on the outer wall, close to one side of the output capacitor, of the device body. The device is simple in structure and reasonable in design, has the functions of temperature self-control, overload protection, current limitation and the like, can ensure the safety during use, and greatly improves the disassembly efficiency of the coupling.
Owner:WUHAN DITIE OPERATION CO LTD

Submerged piston cooperative drive engine and power generation and control method

The invention discloses a submerged piston cooperative drive engine and a power generation and control method. The submerged piston cooperative drive engine comprises an engine supporting mechanism system, a piston cylinder, a gravity box, a submerged piston, a piston motion controller, a piston constant angle control switch, a starting and braking system and the like. After liquid is injected into the piston barrel and the gravity box, the submerging piston does circulating reciprocating motion along the piston barrel under the synergistic effect of liquid buoyancy and self gravity, so that the submerging piston and liquid on the left side and the right side of the center shaft of the engine continuously generate torque difference and gravitational torque difference, and the engine is driven to rotate; and high-quality power is continuously provided for a generator, traffic transportation equipment and industrial equipment. The whole power generation and use process does not need to consume any fossil energy and nuclear materials such as coal, petroleum and natural gas, and does not need unstable natural forces such as wind power, river water, sea waves, tides, terrestrial heat and solar energy. The invention creates a brand-new power system and a creative power generation mode.
Owner:ZHONGYANG XIANYUAN ENGINEERING TECHNOLOGY RESEARCH INSTITUTE (BEIJING) CO LTD

Wall-mounted refrigeration device for refrigeration house

The utility model belongs to the field of refrigerating devices, particularly relates to a wall-mounted refrigerating device for a refrigeration house, and aims to solve the problems that cold air is exhausted into the refrigeration house through a fan after an existing unit refrigerates, the temperature of the refrigeration house is low, the fan works in the refrigeration house for a long time, the fan is easy to damage, the fan needs to be disassembled and overhauled, and the maintenance cost is high. In order to solve the problems that in the prior art, in the prior art, a fan is generally installed through bolts, consequently, disassembly and assembly are inconvenient, and use of a device is affected, the following scheme is provided that the refrigerating unit comprises a refrigerating unit body and a connecting plate, and a connecting frame is arranged on the front side of the refrigerating unit body; a compressor, a condenser, an expansion valve and an evaporator which are used for refrigerating a refrigeration house are arranged in the refrigerating unit body, and two exhaust fans facilitating rapid spreading of cold air in the refrigeration house are arranged on the front side of the refrigerating unit body, so that the refrigerating unit body is stable in structure and convenient to operate, and the requirements of the refrigeration house for refrigeration and exhaust can be met; and meanwhile, a user can conveniently disassemble, assemble and maintain the exhaust fan.
Owner:SHANGHAI LENGDI IND CO LTD

Cooler for compressor

The cooler for the compressor comprises a cooler body, communicating mechanisms are arranged at the two ends of the cooler body correspondingly, a communicating pipe is arranged on the outer side of the communicating mechanism on the right side, and the other end of the communicating pipe communicates with an electric butterfly valve; the end, away from the communicating pipe, of the electric butterfly valve communicates with a filter cartridge, and a filter plate is fixedly mounted on the right side in the filter cartridge. During cleaning, cooling water entering from an inlet I is guided to flow into an external pipe I through a valve core on the right side, flows into the left side of the interior of a filter cartridge after bursting through a one-way valve at the other end of the external pipe I, and is flushed in from the left side of a filter plate, so that impurities accumulated or covering the right side of the filter plate are flushed into a reversing valve on the left side; and then, impurities are guided by the valve core on the left side to flow into the external pipe II, so that the impurities can be automatically flushed during use, the filter plate mounted in the filter cartridge does not need to be detached, and the maintenance efficiency can be improved and the maintenance cost can be reduced through an automatic backwashing mode.
Owner:BAOJI BOLEI CHEM MASCH CO LTD

Canal slope maintenance device

The utility model discloses a canal slope maintenance device which comprises a moving structure and a monitoring structure, the monitoring structure is installed on the moving structure, and the monitoring structure comprises a hydraulic cylinder; the utility model relates to the technical field of slope maintenance, a moving structure is placed on the top plane of a water channel through four wheels, a hydraulic cylinder is controlled to work, the height of a fixing rod is adjusted, a rotating seat rotates at one end of the fixing rod, universal wheels are attached to slope surfaces of slopes with different inclination angles, and at the moment, a screw rod module is parallel to the slope surfaces of the slopes; the screw rod module works, the moving end of the screw rod module drives the camera to move, the camera shoots the slope surface of the canal slope, a user pushes the moving structure to move, the monitoring structure moves accordingly, the display screen displays the picture shot by the camera, the operator can conveniently inspect the slope surfaces of the canal slope at different positions, and the inspection quality is guaranteed. And normal maintenance of the slope is ensured.
Owner:HEZE TIANYUAN WATER DEV CO LTD

Computer maintenance platform

The utility model relates to the technical field of computer maintenance, in particular to a computer maintenance platform which comprises a maintenance platform, a supporting frame is fixedly installed on the top face of the maintenance platform, a blow-off mechanism is arranged below the supporting frame, a fixing mechanism is arranged above the maintenance platform, the blow-off mechanism comprises a moving part and a blow-off part, and the fixing mechanism comprises a fixing part and an adjusting part. A double-shaft motor is started to drive a rotating shaft and a first gear to rotate, the first gear rotates to move on a rack, a moving plate and a spray head below are driven to move left and right, an electric push rod is started to drive a mounting plate and the spray head below to move up and down, and a driving motor is started to drive a connecting shaft and a third gear to rotate; and a third gear drives a second gear and a spray head to rotate, so that the spray head can rotate in all directions to blow air, dust in the case can be blown away more thoroughly, manual holding for air blowing is not needed, fatigue of hands of personnel is avoided, and subsequent maintenance and repair quality of the personnel on a computer is guaranteed.
Owner:XINING HAILAN ELECTRONICS CO LTD

Deep groove ball bearing with easy maintenance

This utility model discloses a deep groove ball bearing that is easy to maintain, relating to the field of bearing technology. The key technical points are: it includes an inner ring, an outer ring, and a dust cover. A circular groove is formed on the side wall of the dust cover, and an elastic ring is placed in the groove. An insert is provided on the outer peripheral wall of the elastic ring. A retaining groove is formed on the inner peripheral wall of the outer ring, and a pull block is provided on the inner peripheral wall of the elastic ring. By pulling the pull block, the elastic ring deforms, causing it to pull the insert out of the retaining groove, allowing the dust cover to be removed for lubricant filling. This design simplifies the separation of the dust cover from the deep groove ball bearing and reduces the impact of the dust cover on lubricant addition. When the deep groove ball bearing is working, the insert tends to move centrifugally under the action of inertial force. This tendency allows the insert to be well embedded in the retaining groove, ensuring the connection strength between the insert and the dust cover and the outer ring.
Owner:XINCHANG MINGYU BEARING CO LTD

Intelligent low-temperature-resistant collision buffering device suitable for LNG floating type transmission system

The invention discloses an intelligent low-temperature-resistant collision buffering device suitable for an LNG (liquefied natural gas) floating transmission system, and relates to the technical field of safety protection of the LNG floating transmission system.The intelligent low-temperature-resistant collision buffering device comprises a composite buffering device, a shell and a bottom plate; an outer rigid supporting layer, a middle energy absorption layer and an inner flexible contact layer are sequentially arranged from outside to inside, the outer rigid supporting layer, the middle energy absorption layer and the inner flexible contact layer are fixedly connected into a whole in a gluing or integral forming mode, and the outer side of the composite buffering device and the outer side of the internal mechanism are wrapped with the shell. The protective shell is fixedly connected with the bottom plate to form a protective shell; through deep integration of material innovation, structure optimization and intelligent control, the technical problems of low-temperature failure, low energy absorption efficiency, poor posture adaptation, no intelligent regulation and control and the like of a traditional buffer device in an LNG floating transmission scene are comprehensively solved, and the reliability, the adaptability and the intelligent level of collision protection are remarkably improved.
Owner:NINGBO INST OF DALIAN UNIV OF TECH

Automatic sand casting valve body cutting device and cutting method thereof

PendingCN119238553AGuaranteed machining accuracy requirementsReduce machining accuracyProgramme-controlled manipulatorGas flame welding apparatusShape deviationProcessing accuracy
The invention relates to the technical field of sand casting valve body production equipment, in particular to an automatic sand casting valve body cutting device and a cutting method thereof.The automatic sand casting valve body cutting device comprises a cutting robot, an identification mechanism and a tool used for fixing a valve body and further comprises a morphology deviation correction mechanism, and the morphology deviation correction mechanism comprises a correction body; one end of the correction body is provided with a flow channel positioning piece and a flange end face positioning piece, the flow channel positioning piece is used for being matched with a flow channel hole of the valve body and preventing the correction body from deviating or falling off the valve body, during use, the shape deviation correction mechanism is arranged on the valve body, and the identification mechanism identifies the shape deviation of the valve body through a mark placement point on the correction body. The relative space position of the valve body is obtained, the flange end face patch on the valve body and the relative space path of the dead head are calculated, the influence of valve body profile deviation is greatly reduced, the machining precision is improved, the machining precision requirements of different valve bodies are met, and meanwhile the shape deviation correction mechanism is simple in structure, easy to manufacture and maintain and easy and convenient to use and operate in the later period.
Owner:Liupanshan Laboratory

Modularized phototherapy clothes

The utility model relates to the technical field of phototherapy, in particular to modularized phototherapy clothes which comprise a wearing module and a phototherapy module, the wearing module comprises an outer lining and an inner lining, the outer lining is arranged outside the inner lining, a plurality of placement grooves are formed in the inner side face of the inner lining, and the placement grooves are continuously arranged along the inner side face of the inner lining; a plurality of groups of phototherapy modules are arranged, and the plurality of groups of phototherapy modules are respectively arranged in the plurality of placement grooves; the phototherapy module comprises a line concentration assembly, a phototherapy assembly and a connecting assembly, the line concentration assembly and the phototherapy assembly are connected through the connecting assembly, and the phototherapy assembly comprises a phototherapy shell, a phototherapy lamp wick arranged in the phototherapy shell and a condensing lens covering the phototherapy lamp wick; and one end of the condensing lens faces the inner side of the lining. According to the utility model, the phototherapy lamp wick of the phototherapy assembly is matched with the condensing lens to illuminate towards the inner side of the lining so as to implement light irradiation. The problem that an existing phototherapy module cannot carry out phototherapy continuously in a wearing mode is solved.
Owner:DONGGUAN HERON OPTO CO LTD

Main cable maintenance platform torsion self-adjusting device and adjusting method

The invention relates to a torsion self-adjusting device and method for a main cable maintenance platform. The self-adjusting device comprises a main supporting mechanism and a lateral clamping mechanism which are installed on the main cable maintenance platform. The lateral clamping mechanism comprises a fixing base, a torsion assembly, a lateral hydraulic cylinder and a clamping assembly. The clamping assemblies of the main supporting mechanism and the two lateral clamping mechanisms are in tight contact with the upper surface, the left side face and the right side face of the main cable respectively for clamping or separating. A step of adjusting the method; the device can ensure safe operation of the main cable maintenance platform on the main cable, and lays a foundation for subsequent inspection and maintenance work of the main cable; according to the method, it can be ensured that the main cable maintenance platform has the functions of automatic deviation correction and climbing self-adjustment in the walking process, and it can be ensured that the main cable maintenance platform advances to any position of the main cable to be detected and maintained; meanwhile, according to the torsion self-adjusting method, in the adjusting process, the main cable overhauling platform can be effectively fixed to the main cable, and the influence of high-altitude wind loads on the main cable overhauling platform is reduced.
Owner:SHIJIAZHUANG TIEDAO UNIV

Closed poultry breeding microcirculation ventilation system

The utility model discloses a closed poultry breeding microcirculation ventilation system which comprises an electrical control module, a refrigeration module, a sterilization dosing module, an airflow regulation and control box and a dehumidification module, an air inlet is formed in one side of the airflow regulation and control box, an air outlet is formed in the other side of the airflow regulation and control box, and the sterilization dosing module and the refrigeration module are arranged below the airflow regulation and control box. A ventilation pipeline is arranged above the airflow regulation and control box, a main power fan and a pipeline air dissipation type two-way fan are installed in the ventilation pipeline, the other end of the ventilation pipeline communicates with a poultry house, the ventilation pipeline is arranged on the two sides of a poultry activity area, and the multiple dehumidification modules are arranged on the two sides of the poultry activity area. The multiple dehumidification modules are arranged in the ventilation pipeline at intervals, and the electrical control module achieves opening and closing of the whole ventilation system. According to the utility model, a wind dispersing design is adopted, wind is directly supplied to a poultry activity area, the comfort level is better, and the life of poultry is effectively protected or maintained.
Owner:DEZHOU YEYUAN FOOD CO LTD

A control method and system for preventing surge of cold storage host of cold storage air conditioning system

The present invention belongs to the technical field of refrigeration equipment, and specifically provides a control method for preventing surge of a cold storage host of a cold storage air-conditioning system, including obtaining historical operation data of the cold storage system, the historical operation data including time points when surge occurred in several cold storage systems, extracting time points when surge occurred in several cold storage systems for preprocessing, and inputting them into a trained model, integrating the time points into surge occurrence time periods through the trained model, and marking them as key time periods; obtaining real-time operation parameters of the cold storage system, and sending an adjustment signal to an adjustment module when the real-time time for obtaining the real-time operation parameters is within the marked key time period, sending the adjustment signal to the adjustment module, the adjustment module receiving the adjustment signal and sending a control signal to the cold storage host, and the adjustment module controlling the cold storage host in operation to transfer load to the cold storage host in non-operation, so as to avoid surge caused by unstable operation of the compressor.
Owner:GUANGZHOU TOPSUN POWER TECH

Power switch protective cover convenient to overhaul

The utility model relates to the technical field of power switch protective covers, and provides a power switch protective cover convenient to overhaul, which comprises an enclosure frame which encloses the outer side of a power switch, a buffer protective cover is sleeved above the enclosure frame in a sliding manner, and a plurality of buffer mechanisms are uniformly arranged on the outer side surface of the enclosure frame; the buffer mechanism specifically comprises the following structures: buffer guide grooves distributed in the outer side surface of the enclosure frame; the guide post is mounted in the buffer guide groove; the outer side pipe wall of the guide sleeve is fixed on the inner side surface of the lower end opening of the buffer protective cover; and the buffer springs are distributed in the buffer guide grooves, the buffer springs are further connected to the guide columns in a sleeving mode, and the top ends of the buffer springs are supported at the bottoms of the guide sleeves. The device has a remarkable effect in the aspect of protecting the safe operation of the power switch, has obvious advantages in the aspects of improving the operation stability of equipment, facilitating maintenance and the like, and provides an effective guarantee for the safe use and maintenance of the power equipment.
Owner:JILIN HENGTONG ELECTRIC POWER DESIGN CO LTD

Cashmere yarn dye vat

The utility model is applicable to the technical field of cashmere yarn dyeing, and provides a cashmere yarn dye vat, which comprises a dye vat body, a plurality of supporting columns, a plurality of dyeing rollers, a plurality of dyeing rollers and a plurality of dyeing rollers, and is characterized in that the bottom of the dye vat body is provided with a plurality of supporting columns; the same bottom plate is fixedly installed at the bottom ends of the multiple supporting columns and used for supporting the dye vat body; the vat cover is arranged at the top of the dye vat body and used for sealing the dye vat body; the connecting pipe is fixedly mounted on the cylinder cover and is used for guiding clean water into the cleaning mechanism; the supporting plate is fixedly arranged on the connecting pipe in a sleeving mode and used for installing a plurality of yarn winding and unwinding mechanisms and cleaning mechanisms. According to the cashmere yarn dye vat provided by the scheme, cashmere yarn can be efficiently dyed, the cashmere yarn can be conveniently put in and fished out, meanwhile, the inner wall of the dye vat body can be conveniently cleaned in the dyeing replacement process, and operation is convenient.
Owner:INNER MONGOLIA XIANGHAN SCI & TECH CO LTD

Energy-saving flue gas desulfurization tower

The utility model relates to the field of flue gas desulfurization, in particular to an energy-saving flue gas desulfurization tower which comprises a mounting bottom plate, a motor and a gas inlet pipe, a desulfurization tower shell is arranged at the upper end of the mounting bottom plate, a transmission shaft is arranged in the desulfurization tower shell, a connecting rod is arranged on the side face of the transmission shaft, and a scraping plate is fixed to the end, away from the transmission shaft, of the connecting rod. The lower end of the transmission shaft is connected with a motor, a packing layer is arranged in the desulfurizing tower shell, a spraying pipe is arranged above the packing layer, an atomizing nozzle is arranged at the lower end of the spraying pipe, and an exhaust port is formed in the upper end of the desulfurizing tower shell. The flue gas can be effectively desulfurized, and the desulfurization efficiency is improved; and through the design of the circulating pump and the circulating pipe, the spraying liquid can be recycled, the consumption of water resources is reduced, and meanwhile, the desulfurization cost is reduced.
Owner:JIANGSU HONEST ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Smart city data center operation and maintenance management system based on big data

The invention belongs to the technical field of smart city operation and maintenance management, and particularly discloses a smart city data center operation and maintenance management system based on big data. The system comprises an infrastructure monitoring module, an infrastructure analysis module, an equipment operation monitoring module, an equipment operation analysis module, a business application monitoring module, a business application analysis module, a smart city analysis module and a smart city management terminal. According to the invention, operation and maintenance management is carried out on the smart city data center, the maintenance timeliness of the infrastructure of the data center is guaranteed, the application attention of business application is further guaranteed, the frequency of equipment faults is reduced, and the operation and maintenance management of the smart city is carried out through three latitudes of infrastructure, equipment operation and business application. The multi-latitude monitoring analysis of the smart city data center is realized, so that the comprehensiveness and the fineness of the data monitoring analysis are guaranteed, and the timeliness of finding potential problems in equipment is guaranteed.
Owner:台州市黄岩区融媒体中心(台州市黄岩区广播电视台)

Steel bar positioning device

The invention discloses a steel bar positioning device which comprises a positioning frame used for clamping a vertical connecting steel bar, the positioning frame is supported on the top of a high leaf plate and the top of a low leaf plate through positioning supports, the positioning supports comprise the first positioning support and the second positioning support, the first positioning support can clamp the top of the high leaf plate, and the second positioning support can clamp the top of the low leaf plate. The second positioning support is located at the top end of the low leaf plate and used for supporting the positioning frame so that the positioning frame where the vertical connecting steel bars are positioned can be in a simply-supported constraint state. Thus, a simple support constraint system formed by combining the first positioning support and the second positioning support is adopted, precision control and maintenance of the vertical connecting steel bars in all links of assembly construction can be guaranteed to the maximum extent, the supporting position of the second positioning support is not affected by a prefabricated floor, in-place dismounting is convenient, the supporting height is adjustable, and the construction efficiency is improved. The device can adapt to the situation that the inner and outer leaf plates of the laminated slab have any height difference.
Owner:CHINA CONSTRUCTION INDUSTRIAL & ENERGY ENGINEERING GROUP CO LTD +1

A dust treatment device for aminosulfonic acid production system

The present invention relates to the field of separation technology, and specifically discloses a dust treatment device for an aminosulfonic acid production system, comprising: a treatment chamber, in which a recovery chamber, a first reflux chamber, a second reflux chamber and a transition chamber are sequentially distributed in the inner circumference; a first filter plate, which is detachably installed between the recovery chamber and the first reflux chamber; a second filter plate, which is detachably installed between the recovery chamber and the second reflux chamber; a switching plate, which is rotatably installed in the treatment chamber, and is used to connect one of the first reflux chamber and the second reflux chamber to the recovery chamber. By switching the state of the switching plate, the first reflux chamber and the second reflux chamber are connected to the recovery chamber, so that the first filter plate and the second filter plate work in turn. When one group of filter plates is working, the other group of filter plates can be maintained without affecting the normal separation and treatment of dust in the air. It can ensure that the filter plates can be maintained without stopping the machine, thereby improving the dust treatment efficiency and maintenance efficiency.
Owner:LAIZHOU ZHONGDA GUIHE CHEM CO LTD

Vertical interconnection circuit board assembly based on tenon-and-mortise structure

The invention discloses a vertical interconnection circuit board assembly based on a tenon-and-mortise structure, relates to a microcircuit structure, and provides the scheme for solving the problem of large loss in the prior art. Comprising a first circuit board and a second circuit board, the edge of the first circuit board close to the second circuit board is provided with an insertion block; one side of the first circuit board is provided with a first insertion metal layer, and the other side is provided with a second insertion metal layer. The first insertion metal layer extends to the free end of the insertion block, and the second insertion metal layer extends to the fixed end of the insertion block; the second circuit board is provided with matched jacks at positions corresponding to the insertion blocks; one side of the second circuit board is provided with a first connection metal layer, and the other side is provided with a second connection metal layer; after the insertion block is inserted into the insertion hole, the first insertion metal layer is electrically connected with the first connection metal layer, and the second insertion metal layer is electrically connected with the second connection metal layer. And the antenna has the characteristics of simple processing, low cost, small insertion loss, large working bandwidth and the like.
Owner:SOUTH CHINA UNIV OF TECH

A front-end detection circuit for a box-type transformer

The present invention discloses a front-end detection circuit of a box-type transformer, including a chip U3, a cable temperature detection circuit, a transformer oil temperature detection circuit and a communication circuit; the chip U3 is respectively connected to the cable temperature detection circuit, the transformer oil temperature detection circuit and the communication circuit; wherein the cable temperature detection circuit is used to detect the temperature of the cable; the transformer oil temperature detection circuit is used to detect the oil temperature inside the transformer, and the communication circuit is used for communication. In the present invention, the temperature of the cable can be monitored in real time by the cable temperature detection circuit, which helps to timely discover abnormal cable temperature conditions and improve the safety and reliability of the cable. The transformer oil temperature detection circuit can monitor the real-time oil temperature of the transformer, timely grasp the working status of the transformer, and help protect the transformer equipment. Through the communication circuit, data communication with other devices or systems can be realized, which facilitates data transmission and monitoring.
Owner:CHENGDU XINHANG ELECTRIC MEASURING INSTR & METER CO LTD

Coal bunker, coal bunker control system, control method, equipment and medium

The invention relates to the technical field of coal mine equipment, in particular to a coal bunker, a coal bunker control system, a coal bunker control method, coal bunker control equipment and a medium. The lining is fixed to the inner wall of the coal bunker body through an embedded fixing device, and the fixing device and the lining are made of ultra-high molecular weight polyethylene modified composite boards and used for preventing coal from hanging on the wall and blocking the bunker; the anti-blocking bunker cleaning device is arranged at the target position of the conical section of the lower portion of the coal bunker body and used for generating blasting and vibration effects through instant release of high-pressure gas so as to clean hardened coal, coal clogging and bunker blockage of the coal bunker. Therefore, the problems of poor safety and the like caused by the fact that the coal bunker cannot be prevented and treated from accidents such as coal bunker blockage and collapse in the prior art are solved.
Owner:XUZHOU HUAZE ENG MATERIALS CO LTD

Medicine bottle cap device capable of conveniently and quantitatively taking out pills from medicine bottle

The invention discloses a medicine bottle cap device capable of conveniently and quantitatively taking out pills from a medicine bottle, relates to the technical field of medical apparatuses and instruments, and solves the problems that most medicine bottle caps in the market are only of simple cap screwing type design, do not have a convenient and quantitative medicine taking function and bring certain inconvenience to certain specific crowds. The invention discloses a medicine bottle cap device capable of conveniently and quantitatively taking out pills from a medicine bottle. The upper cover and the bottle body are connected through external threads formed in the top of the bottle body and internal threads of the upper cover. A lower cover is slidably arranged at the bottom of the bottle body; a lower flow guide cone of an inverted-cone-shaped structure is fixedly arranged on the upper portion in the bottle body. An upper flow guide cone with a conical structure is fixedly arranged at the top of the lower flow guide cone; the bottom of the lower flow guide cone is fixedly connected with a lower cover flow guide sleeve of a cylindrical structure. The device can accurately control the taking-out number of the pills (tablets), and the use convenience of special crowds is greatly improved.
Owner:CHENGDU UNIVERSITY OF TECHNOLOGY

Electrostatic tar trap

The utility model discloses a static tar catcher relates to oil fume purification environmental protection equipment technical field, including intercommunication mechanism, capture mechanism, upper box and control distribution box, the intercommunication mechanism contains bottom box, baffle, air inlet pipe and exhaust pipe, the utility model discloses the air inlet cavity and exhaust cavity that the bottom box baffle division cooperated capture pipe form inverted "U" type flue gas flow path, greatly prolongs the residence time of flue gas in the capture pipe, makes flue gas even distribution in multiple capture tubes simultaneously, avoids the problem that traditional equipment partial pipeline is not thorough in purification, partial pipeline is idle, combines the stable electrostatic field of electrode silk generation, can fully adsorb tar, paint mist and other pollutants, adopts simultaneously " lower progress lower " pipeline layout, and all air inlet and exhaust pipes are arranged in the bottom of the equipment, and the top pipeline installation procedure is saved, reduces the risk of construction personnel high altitude operation, avoids rainwater infiltration and causes electrical short circuit, guarantees the long -term stable operation of equipment, reduces the hidden danger of pollutant direct discharge.
Owner:LONGYOU ZHONGXINCHENG NEW MATERIAL TECHNOLOGY CO LTD