49results about How to "Work balance" patented technology

The invention relates to a beauty-slimming product containing dark green tea Euro-tium cristatum and a preparation method therof. The beauty-slimming product comprises Euro-tium cristatum which is active ingredient of Anhua dark green tea, and a plurality of extracts of medicine and food homologue, and has good real weight-reducing effect and the comprehensive function of lipid-lowering, glucose-lowering, and hypotensive action at the same time.

The invention relates to an elevated passenger railway with parallel elevated road upper and lower lanes respectively arranged at both sides of a line, belonging to the technical field of railway and road construction and solving the problems that a permeation ground environment under a traditional passenger railway elevated is not utilized, a city circle does not simultaneously satisfy a public traffic road mode and road network which has high speed, large rated passenger capacity, convenience of transfer and good accessibility and can keep permeation of the ground, and the number of cars on the road is large to cause urban traffic congestion. Based on the technical scheme, the upper and lower lanes of a parallel elevated road are respectively arranged at both sides of an elevated passenger railway line and a passenger station at a short range, a passenger can transfer between a highway and a railway at a same station, forwards and reversely transfer at the short distance, and the parallel elevated road can fulfill the functions of blocking, absorbing and scattering railway noises. The invention has the purposes that a highway and a railway are parallel matched for complementing in actions to enable a region along the elevated passenger railway line to form an urban region which is beneficial to business enterprise development and has relatively balanced working places and resident places, large scale and high population, and solves the problem of urban traffic congestion considered from the whole city circle construction.

The invention discloses an opposite piston type engine, which comprises a cylinder body, an intake valve, an exhaust valve, a first piston and a second piston which can move in a way of facing to each other or reversing to each other, a first crankshaft connected with the first piston and a second crankshaft connected with the second piston, wherein the first piston and the second piston are arranged in the cylinder body in a way of facing to each other, and the intake valve and the exhaust valve are arranged on the wall of the cylinder body between the first piston and the second piston. Since two pistons which can move in the way of facing to each other are arranged in the cylinder body, the invention has the advantages that the heat energy generated by gas in a combustion chamber between the two pistons can be converted into mechanical energy to a large extent and the work efficiency of the engine is greatly improved.

Vacuum suction cup feeding equipment comprises a feeding conveyor belt line for conveying products. The front end of the feeding conveyor belt line and the rear end of the feeding conveyor belt line are provided with a discharge conveyor line and a positioning conveyor line respectively, a first vacuum suction cup group is arranged between the feeding conveyor belt line and the discharge conveyor line, and a second vacuum suction cup group is arranged between the feeding conveyor belt line and the positioning conveyor line; the first vacuum suction cup group and the second vacuum suction cup group are communicated with a connection tube and a vacuum generator respectively; when the equipment is started, the products placed on the discharge conveyor line are moved to the feeding conveyor belt line through the first vacuum suction cup group, and then are moved to the positioning conveyor line through the second vacuum suction cup group, so that automatic transformation and butt joint of the equipment are achieved. According to the vacuum suction cup feeding equipment, the cylinder piston motion material clamping mode is replaced by the vacuum suction cup method, vacuum cups communicated with the connection tube and the vacuum generator, when the equipment is started, gas is pumped out through the vacuum generator and the products are sucked firmly, so that the purpose of product moving is achieved, and practicability is high.

The invention discloses a multi-column strip-shaped packaging machine, which comprises a rack, and a paper supporting part, a filling and metering device, a bag forming mechanism, a middle sealing device, a horizontal sealing device, a cutter device, a bag turnover mechanism and a sliding chute arranged on the rack. The cutter device comprises cutter support plates, two cutter shafts, cutters, support rods and bag guiding supports; the two cutter shafts are arranged on the cutter support plates at an interval; the cutters are arranged on the cutter shafts; the two cutter shafts are connected with air cylinders; the support rods are arranged between the two cutter support plates, and are located above the cutters; the bag guiding supports are arranged on the support rods; and loaded packaging bags are cut by the cutters after passing through the bag guiding supports. According to the multi-column strip-shaped packaging machine provided by the invention, the loaded packaging bags are limited through the bag guiding supports and can be smoothly fed into a position between the cutters so as to be cut.

The invention provides a method for detecting the length of a calcium carbide furnace electrode. The method comprises the steps: obtaining a non-linear prediction model of electrode consumption according to a model training sample set, wherein electrode temperature T, electrode power P, a furnace charge ratio R and calcium carbide output G are sample input variables, and the electrode consumption is a sample output variable; determining electrode consumption in a current working condition according to the non-linear prediction model of electrode consumption; and determining the length of an electrode according to the electrode consumption in the current working condition. The method can monitor the position changes of an electrode in real time and then guide pressing and releasing for electrodes, so the pressing and releasing amount for electrodes can be accurately controlled, and electrodes are made to work in a balance manner. The method guarantees stable production and energy-saving operation of a calcium carbide furnace.

The invention discloses a floating-type device for the rock embedment mounting of a steel pipe pile in water. The floating-type device for the rock embedment mounting of the steel pipe pile in the water comprises a platform, and also comprises floating boxes, multiple groups of trusses, four hydraulic supporting columns, two tracks, a portal frame, a lifting mechanism and a drilling mechanism, wherein the floating boxes are longitudinally arranged fixedly on the two sides of the lower surface of the platform at an interval; the multiple groups of trusses are fixedly connected with the floating boxes on the two sides and are transversely arranged at an interval; the four hydraulic supporting columns are arranged at the four corners of a panel of the platform, and further, the upper ends of the four hydraulic supporting columns penetrate through the platform and the lower ends of the four hydraulic supporting columns are inserted into the water to a surficial rock; the two tracks are arranged on the platform, are parallel to each other and longitudinal and are further perpendicular to the two ends of the platform; the portal frame is arranged on the two tracks and can be moved along the tracks; the lifting mechanism is arranged on a transverse beam of the portal frame and is used for lifting to convey a steel pipe for position alignment; the drilling mechanism is fixedly arranged on a central beam of the portal frame. A construction method of the floating-type device for the rock embedment mounting of the steel pipe pile in the water comprises the following steps of performing position alignment; lifting a steel-pipe-pile pile casing, and enabling a drill rod to penetrate into the steel-pipe-pile pile casing; punching. The floating-type device which is provided by the invention is high in bearing capacity, is convenient to move, can be used for preventing the platform from being influenced by wave impact and a drilling dynamic load to generate shake, further, is simple in structure, easy and feasible to operate, and is applicable to various waterborne operations.

The invention discloses an electric power overhaul lifting device. The device comprises a base, a lifting cross assembly, a lifting platform assembly, at least two clamping mechanisms and a controller; the lifting cross assembly is movably arranged above the base; the lifting platform assembly is arranged above the lifting cross assembly and is in transmission connection with the lifting cross assembly; the two clamping mechanisms are fixedly connected to the two sides of the lifting platform assembly in the Y-axis direction correspondingly; and a balance sensor is arranged above the lifting platform assembly, and a balance assembly is fixedly connected below the lifting platform assembly. The balance assembly comprises a protective shell, at least one spherical cavity and at least one group of gyroscope balance modules, wherein the at least one spherical cavity is formed in the protective shell; and each gyroscope balance module is rotatably arranged in the corresponding cavity. According to the device, the lifting platform assembly is kept balanced when a maintainer works so that the maintainer can stably carry out electric power overhaul work, and the working efficiency of the maintainer is greatly improved.

The invention provides a big-bore quartz tube / rod drawing and forming device, comprising a frame, wherein, the frame is vertically provided with 1 to 3 groups of traction mechanisms; each group of the traction mechanism comprises a pair of drawer rollers arranged in bilateral symmetry; the drawer rollers are fixed in the middle of a swing axle; a transmission shaft is arranged above the swing axle; two ends of the swing axle are hung under the transmission shaft through a left connecting swinging arm and a right connecting swinging arm; the frame is provided with a front box board and a back box board; two ends of the transmission shaft are arranged between the front box board and the back box board of the frame; synchronous regulating gears engaged with each other are arranged between the connecting swinging arms of each group of the traction mechanism; an exit tube operating hole consisting of each group of the drawer rollers is arranged inside a box body of the frame; all the transmission shafts form a closed circulating drive system through a chain I according to the working rotation speed of each group; and an independent chain is adopted for transmission from the swing axle to the transmission shaft, thereby forming an independent work system for each group; the whole device is assembled reasonably, so the accumulation of mechanical clearance error is eliminated. Balanced pressure and stable operation can be ensured when the drawer rollers operate.

The invention relates to a method of increasing air quantity when blast furnace blows in without damping down, characterized by that: using all tuyeres to supply air, adding fireproof sleeves on all tuyeres when the blast furnace blows in, taking off the sleeves gradually to increase the area of the tuyeres with the air quantity increases until all sleeves are taken off to keep the air speed and the kinetic energy at a required level, wherein, the sleeves are taken off without damping down. With small air quantity in the initial stage of blow-in, the air supplying with all tuyeres is realized, thus in the initial stage of blow-in the distributions of initial gas stream and temperature are reasonable, and the working condition of the hearth is uniform, active and stable. When the increasing of the air quantity is required, the increasing of the air quantity is realized by gradually poking the ceramic sleeves to increase the area of the tuyeres to keep the air speed and the kinetic energy at a resonable level, and the process of poking the ceramic sleeves is carried out without damping down, with being good for blast furnace blowing-in and reaching design capacity rapidly.

The invention relates to a storage battery voltage balance management system. The storage battery voltage balance management system is characterized by comprising a charging unit, a plurality of single battery voltage balance units and a voltage balance management control unit, wherein the voltage balance management control unit is used for analyzing the voltage and current of single batteries of a storage battery monitored by the plurality of single battery voltage balance units and judging the voltage balance state of the storage battery so as to control the charging state, discharging state or pause state of the single batteries, thus finally realizing the balance of the voltage of the each section of the storage battery. According to the storage battery voltage balance management system, through the balance management control of the single batteries during charging and discharging of the storage battery, the single batteries of the storage battery are balanced, the overcharging and undercharging can be avoided, and the service life is prolonged.

The present invention discloses an efficient temperature control device for solar telescope primary lens surface seeing effect control. The device comprises a primary lens, a lens surface sensor, a refrigeration set, a refrigeration machine external circulation cooling system, a surface cooler, a pumping pump, a fan, an electric heater, a sealed box, a controller and an environment temperature measurement device. The goal of the temperature control device is to carry out temperature control of the primary lens, thus the measurement value of the lens surface sensor is consistent with the measurement value of the environment temperature measurement device, and thus the purpose of controlling a lens surface seeing effect is achieved. Specifically the temperature control of the primary lens surface is realized by controlling the power of the electric heater and the cooling medium refrigeration temperature of the refrigeration set by the controller. Through the surface cooler, the contact area of a cooling medium is increased, the heat exchange efficiency is raised through blowing of the fan, the cold and heat loss is reduced through the sealed box, and the control response efficiency of the primary lens surface temperature is greatly improved.

The invention relates to a concrete mix proportion design method based on a minimum slurry theory, which comprises the following steps: S1, selecting slurry and aggregate, and controlling the difference value of apparent density between the slurry and the aggregate to be within a preset range; s2, according to the minimum slurry theory, determining the slurry volume required for reaching the strength grade of the concrete and the volume sand ratio of the fine aggregate, and further determining the use amount and the water use amount of the coarse aggregate, the fine aggregate, the cement and the admixture; s3, uniformly stirring and mixing the coarse aggregate, the fine aggregate, the cement, the admixture and the water according to the dosage in S2 to obtain the concrete. According to the invention, the density of each component in the concrete raw materials is adjusted, the dredged sand and the machine-made sand are adopted to form the fine aggregate, and the concrete mix proportion design is carried out based on the minimum slurry theory, so that the concrete volume stability is better and the cost is lower under the condition that the slump, the 28d compressive strength and the chloride ion diffusion coefficient of the concrete meet the design requirements.

The invention discloses a message push control method and device, equipment and a medium, and the method comprises the steps: receiving load information reported by one or more work division servers,and enabling the multiple work division servers to serve different business links of the same Internet business; in response to a speed query request triggered by a push server for sending a notification message to a user of the Internet service by the division server, circularly executing flow regulation and control; counting the total load rate of all the branch servers according to the load information in the process of executing flow regulation and control; and when the total load rate is higher than a preset threshold, controlling the push server to pause pushing the notification message,otherwise, determining a real-time push speed according to a preset push strategy, and pushing the real-time push speed to the push server. According to the invention, the pushing speed of the pushing server can be dynamically controlled according to the total load rate of the labor division server, so that the flow output by the pushing server can be stably controlled.

The invention relates to the technical field of drilling tools, in particular to a roller bit. The roller bit comprises a gear shaft hole, a palm shaft, steel locating balls, a sealing system and an oil storage and compensatory pressure balance system, wherein the steel locating balls are arranged between a gear and a steel ball locking groove of the palm shaft and used for locking the gear and the palm shaft, the palm shaft is composed of a large shaft and a small shaft, the upper portion of the large shaft is provided with a thrust surface, the small shaft is fixed on the thrust surface, the thrust surface and the side face of the large shaft are connected into a whole through an externally protruding arc surface, the radian of the externally protruding arc surface is identical to that of a well bottom, and the externally protruding arc surface is parallel to a well bottom angle. By means of the structure, the situation that a bearing bears force locally can be reduced, and the bit operates stably at high speed. The force bearing area of the sliding bearing is increased, so that the area of an oil film of lubricating oil is increased, the roller bit can be better adapted to directional drilling under high bit pressure and a high-temperature environment, and the requirement for the sliding bearing of the small or ultra-small roller bit can be met.

The invention discloses a flue gas purification rector, a bag-type dust collector and a dry type flue gas purification system. The flue gas purification rector comprises a reactor body, wherein a gas discharging section of the reactor body is provided with a flue gas outlet which discharges flue gas to periphery along a radial direction; the flue gas outlet is used for being connected with a flue gas inlet of the bag-type dust collector which surrounds the outer part of the reactor body. Since the flue gas outlet of the flue gas purification rector discharges the flue gas to the periphery along the radial direction, the flue gas outlet is completely open; the bag-type dust collector surrounds the outer part of the reactor body so as to reduce an occupation space; the flue gas purification reactor can share a supporting platform with the bag-type dust collector, so as to reduce the use of a joint material; the flue gas is discharged to the periphery from the completely open flue gas outlet of the flue gas purification rector, and is discharged into the bag-type dust collector around the reactor, the flue gas which carries a great quantity of dust is more evenly diffused in the bag-type dust collector, average time for the flue gas to pass through a filter bag area is shortened, and the working state of the filter bag area more tends to be balanced.

The invention relates to a preparation method of self-compacting concrete based on a compressible stacking model, wherein the preparation method comprises the following steps: S1, determining the volume ratio of a cementing material to aggregate according to the performance parameters of the concrete and a compressible stacking model; S2, determining the mixing amount of each component in the raw materials of the concrete according to the water-binder ratio and the preset theoretical use amount of the cementing material; and S3, uniformly stirring and mixing the components in the raw materials of the concrete according to the mixing amount in the S2 to obtain the concrete, wherein the concrete comprises a cementing material composed of cement, fly ash and mineral powder, and an aggregate composed of fine aggregate and coarse aggregate. According to the method, the mixing compactness of the aggregate and the cementing material is obtained according to the compressible stacking model, then the optimal volume ratio interval of the aggregate and the cementing material is determined, then the dosage interval of the low cementing material is obtained according to the volumetric method, and finally the self-compacting concrete of the low cementing material is obtained; and while the fluidity of concrete is ensured, the use amount of the cementing material of the self-compacting concrete is reduced.

The invention provides a washing machine foundation device and a washing machine equipped with the foundation device. The washing machine foundation device comprises a connecting device and an elastic adjusting device; the connecting device is fixedly connected with the elastic adjusting device; the elastic adjusting device has a layered structure; there are gaps between layers; a connecting support member is installed between layers; the connecting support member can connect layers as well as keep a certain space; connecting support members in any two adjacent gaps are staggered; the connecting device is fixedly connected with the top layer of the elastic adjusting device. The connecting position between the connecting device and a washing machine bottom plate is adjusted through rotating the whole washing machine foundation device and thereby the height of the washing machine foundation is adjusted; the elastic adjusting device are connected by layers and gap structure is provided between layers so that the washing machine foundation can be compressed and self adapted; therefore, the complicated and time consuming height adjust for balanced washing machine is avoided and the accuracy of washing machine leveling is increased.

The present invention discloses an efficient temperature control device for solar telescope primary lens surface seeing effect control. The device comprises a primary lens, a lens surface sensor, a refrigeration set, a refrigeration machine external circulation cooling system, a surface cooler, a pumping pump, a fan, an electric heater, a sealed box, a controller and an environment temperature measurement device. The goal of the temperature control device is to carry out temperature control of the primary lens, thus the measurement value of the lens surface sensor is consistent with the measurement value of the environment temperature measurement device, and thus the purpose of controlling a lens surface seeing effect is achieved. Specifically the temperature control of the primary lens surface is realized by controlling the power of the electric heater and the cooling medium refrigeration temperature of the refrigeration set by the controller. Through the surface cooler, the contact area of a cooling medium is increased, the heat exchange efficiency is raised through blowing of the fan, the cold and heat loss is reduced through the sealed box, and the control response efficiency of the primary lens surface temperature is greatly improved.

The invention provides a special anti-explosion bag dust collector used in an underground coal mine, belongs to the technical field of dust collectors and aims to solve the problem of a poor anti-explosion effect in the prior art. The special anti-explosion bag dust collector used in the underground coal mine comprises a rack, wherein a main tank body is fixed on the rack; a plurality of bag cagesare fixed in the main tank body; the bag cages are sleeved with filtering bags; an ash collection hopper is communicated below the main tank body; the main tank body is of an 'H'-shaped structure; the main tank body comprises a left working part and a right working part; a connecting part is arranged between the left working part and the right working part; the connecting part is a connecting tube; an air inlet is formed in the connecting tube; air release holes are formed in both the left working part and the right working part and are both formed opposite to each other; the air release holes are connected with an anti-explosion mechanism capable of reducing air pressure inside the main tank body; the anti-explosion mechanism comprises a fourway pipe which comprises a main pipe, a port I, a port II, a port III and a port IV; the port I is connected with the air release hole in the left working part; the port II is connected with the air release hole in the right working part. The special anti-explosion bag dust collector has the advantage of good anti-explosion effect.

The invention discloses an internal combustion engine piston ring assembly with the stress concentration at the head part of a piston and the bottom parts of ring slots being reduced. The internal combustion engine piston ring assembly comprises a piston ring arranged at the head part of the piston; the head part of the piston is at least provided with three ring slots for installing piston rings; each piston ring comprises a base body made of metal materials; and an assembly side gap of the second piston ring adjacent to a combustor is 0.15mm to 0.65mm. According to the internal combustion engine piston ring assembly provided by the invention, the assembly side gap of the second piston ring is increased, and the bottom part of each ring slot is changed to a circular arc bottom, so that the stress concentration at the head part of the piston and the bottom parts of the ring slots is reduced; an oil return passage is designed on the piston, so that a leakage phenomenon of lubricating oil is eliminated; no oil return passage is needed to be processed on the piston rings, so that the mass of the piston rings and the piston can be smaller, a stress state of the piston is improved, an engine works reliably in a more balance way, and the service life is longer; and meanwhile, after cobalt is added into wear-resistant coatings of the piston rings, the hardness, the wear resistance and the load bearing capacities of the coatings are greatly improved.

The invention discloses efficient light alloy motor shell casting equipment. The equipment comprises a casting main body, a fixing support is fixedly connected to the middle of the outer wall of the right side of the casting main body, a control panel is fixedly connected to the top of the fixing support, and a pressurizer is connected to the left side of the bottom of the casting main body. The bottom of an inner cavity of the casting main body is fixedly connected with a casting device. The invention relates to the technical field of motor shells. According to the efficient light alloy motor shell casting equipment, pressure is circulated in the equipment, meanwhile, an adjusting mechanism adjusts under the action of the pressure, casting can be assisted conveniently, the equipment has a movable maintenance space due to the arrangement of a fixed bracket, the problem that the equipment is not easy to replace after being damaged is solved, the internal residual scraps are effectively cleaned, the phenomenon that the surfaces of machined parts are damaged by the residues is further reduced, the internal temperature rise in the casting process can be reduced, and the safety of workers in the working process is effectively guaranteed.

The invention discloses a frequency-interleaved converter unit and a control method. The invention provides a frequency-interleaved converter unit. The frequency-interleaved converter unit is formed by connecting N submodules in series, wherein each submodule is formed by a converter unit and a control unit; the converter unit comprises a power semiconductor device and a direct current capacitor and realizes direct current and alternating current conversion; the control unit generates a control signal to control on and off of a power semiconductor device of the converter unit; and the control signal is generated by comparing a carrier wave with a modulated wave. The control method of the converter unit is characterized in that the N sub-modules comprise at least M different carrier frequencies, and M is an integer greater than or equal to 2. According to the scheme, the problems of mutual superposition and resonance of higher harmonics of the distributed power electronic converter are solved by presetting different carrier frequencies and packet switching.

The invention discloses a block chain multi-chain management system, which comprises an initial planning module and a dynamic adjustment module, and is characterized in that the initial planning module is used for initially arranging an operation schedule of factory employees, the dynamic adjustment module is used for changing an initial arrangement table according to actual conditions, and the initial planning module and the dynamic adjustment module are in data connection. According to the system, an initial planning module and a dynamic adjusting module are used, the initial planning module is an initial definition, the dynamic adjusting module is an adjusting and modifying module, production of a factory is planned as a whole through actual block relations, influence factors firstly comprise prediction data of historical productivity and actual data, products of the factory are obvious in faint seasons and peak seasons without special situations, and the production efficiency is greatly improved. Therefore, the factor is one of important factors influencing production, secondly, the production raw materials of the product are also one of factors, finally, staff arrangement is reasonably allocated on the basis of guaranteeing the productivity, balance between production and work is achieved, and the method has the advantages of being reasonable in dynamic correction and high in adjusting capacity.

The invention discloses a substation operation room dehumidification system. The substation operation room dehumidification system comprises an enclosure; an air inlet, an air outlet, a regeneration air inlet and a regeneration air outlet are arranged on the enclosure; a fan, a heater, a dehumidification rotation wheel and a regeneration fan are installed in the enclosure; a belt wheel is installed on the output end of the motor; an idler wheel, which is tangent to the belt wheel, is also included; a pressure sensor is installed at the tangent position of the idler wheel and a belt; a cylinder and multiple fixed pulleys are installed on a bracket; the multiple fixed pulleys are symmetrically arranged at two sides of the output end of the cylinder; two ends of the rotating shaft of the idler wheel are connected to a pull wire; furthermore, the pull wire bypasses the fixed pulleys and the output end of the cylinder, so that a pulley set is formed; the output end of the cylinder extends forwardly, so that the rotating shaft of the idler wheel is pulled; therefore, the tension of the belt is restored; normal rotation of the dehumidification rotation wheel and the belt wheel is ensured; the connection stability of the dehumidification rotation wheel and the motor is improved while water vapour in a hydropower station operation room can be eliminated conveniently and rapidly; and thus, the dehumidification efficiency of the dehumidification rotation wheel is ensured.

The invention provides a temperature control method, a memory storage device and a memory control circuit unit. The method comprises the following steps: detecting system parameters of the memory storage device, wherein the system parameters reflect the loss degree of a rewritable nonvolatile memory module in the memory storage device; determining a temperature control threshold value according to the system parameters; and in response to the temperature of the memory storage device reaching the temperature control threshold value, executing a cooling operation to reduce the temperature of the memory storage device. Therefore, the working efficiency of the memory storage device and the temperature control mechanism can be better balanced.

The invention relates to the technical field of drilling tools, in particular to a roller bit. The roller bit comprises a roller shaft hole, a roller palm shaft, a sealing system and an oil storing and compensating and pressure balancing system, wherein a first limiting groove is formed in the circumference of the roller palm shaft, a second limiting groove is formed in the roller shaft hole corresponding to the first limiting groove, and cross section check rings are installed in the first limiting groove and the second limiting groove; the roller palm shaft is composed of a large shaft of a bearing and an inclined shaft, the stressed face, parallel with the shaft bottom, of the bottom of the inclined shaft is provided with a first hard alloy layer, and a long oil groove is formed in the back side of the stressed face of the inclined shaft. A strong cross section check ring bearing locking system replaces a steel ball locking system, valuable bearing space is saved, the stressed area of the bearing is increased, the bearing structure is simplified, the oil membrane area of lubricating oil is increased when the stressed area of the sliding bearing is increased, and the roller bit can better adapt to orientated drilling under a high drilling-pressure and high-temperature environment.

The present invention discloses a task analysis and recommendation system. The system comprises an analysis system (1) and a recommendation system (2). The analysis system (1) is configured to generate and analyze data; and the recommendation system (2) is configured to receive data generated and analyzed by the analysis system (1) and recommend corresponding tasks to users.

The invention discloses an electric maintenance lifting device, comprising: a base; a lifting cross assembly movably arranged above the base; a platform assembly; at least two sets of clamping mechanisms, the two clamping mechanisms are respectively fixed on both sides of the lifting platform assembly along the Y-axis direction; and a controller; wherein, a balance sensor is arranged above the lifting platform assembly, so The lower part of the lifting platform assembly is fixed with a balancing assembly; the balancing assembly includes: a protective casing; at least one spherical cavity is opened inside; and at least one group of gyro balance modules, each gyro balance module can be The rotating ones are arranged inside a corresponding cavity. According to the present invention, the lifting platform assembly is kept in balance when the maintenance personnel are working, so that the maintenance personnel can carry out the electric power maintenance work smoothly, and the work efficiency of the maintenance personnel is greatly improved.

The invention discloses a multi-column strip-shaped packaging machine, which comprises a rack, and a paper supporting part, a filling and metering device, a bag forming mechanism, a middle sealing device, a horizontal sealing device, a cutter device, a bag turnover mechanism and a sliding chute arranged on the rack. The cutter device comprises cutter support plates, two cutter shafts, cutters, support rods and bag guiding supports; the two cutter shafts are arranged on the cutter support plates at an interval; the cutters are arranged on the cutter shafts; the two cutter shafts are connected with air cylinders; the support rods are arranged between the two cutter support plates, and are located above the cutters; the bag guiding supports are arranged on the support rods; and loaded packaging bags are cut by the cutters after passing through the bag guiding supports. According to the multi-column strip-shaped packaging machine provided by the invention, the loaded packaging bags are limited through the bag guiding supports and can be smoothly fed into a position between the cutters so as to be cut.