335results about How to "Meet work needs" patented technology

The invention provides an auditing work method based on big data information, and the method comprises the steps: carrying out the comprehensive analysis of big data, building an auditing operation mechanism and formulating an auditing analysis standard for power auditing work, building an auditing sharing platform, and finally issuing an auditing analysis report. The method provided by the invention greatly lowers the technical threshold of auditing work and reduces operation difficulty of auditing work, creates more convenient conditions for non-onsite auditing work, meets the work demands of auditing officers of a company and basic units at all levels, achieves the full sharing of the data information in an auditing system, and becomes a necessary working platform of the auditing officers. Therefore, the method guarantees the high efficiency and convenience of the system, improves the value creating capability of auditing and management guide function, and provides support and guarantee for the scientific development of a power company.

A peeling device for a juicer comprises a lifting frame, an upper support, a transmission frame and a lower landing leg. A tip sleeve is provided with an annular baffle and a compression spring, and the tip sleeve can go back to the starting position by its self. The tip sleeve is provided with a tip sliding groove, a tip can firmly clamp a fruit through the tip, a sliding rod, a pin on the sliding rod and a buffer spring on the tip, and when clamping is finished, stable disengaging can be carried out. Fruits are constantly conveyed to procedure positions through a transmission motor, a driving transmission wheel, a driven transmission wheel, a transmission belt and a plurality of fruit fixing trays. The fruit fixing trays are provided with conical protruding concave faces, and the fruits can be stably placed. A lifting threaded rod drives the lifting frame to move up and down so that the fruits can disengage from the fruit fixing trays or can be placed into the fruit fixing trays. By means of two pairs of sensors, the fruits can be accurately stopped at the corresponding working positions. The peeling device is high in automation degree and high in efficiency, and the working demands of the juicer are met.

The invention relates to a composite board automatic gluing device. The device comprises a bottom plate, a mounting rack, a stacking device and a gluing device; the mounting rack is installed on the bottom plate, sliding chutes are formed in the mounting rack, the gluing device is installed in the sliding chutes, and the stacking device is installed at the lower end of the gluing device; the stacking device is installed on the bottom plate, and the stacking device comprises a linear guide rail, a limiting mechanism and a supporting mechanism; the gluing device comprises a glue discharging mechanism and a leveling mechanism; and the leveling mechanism comprises sliding blocks, sliding rods, a transverse plate, a telescopic leveling frame, a fixed supporting plate, an adjusting length air cylinder, a connecting ring and a driving branched chain. According to the composite board automatic gluing device, the problems that board codes are not even, gluing are non-uniform, glue is easy to waste, the adjustability is poor and the like in an existing composite board gluing process are solved; and the function of automatically gluing the composite board can be achieved, and the device has the advantages of being neat in stacking, uniform in gluing, not easy to waste glue, and flexible to adjust.

A method and apparatus for high-speed rail, Automatic grinding system for rail maintenance on power cars and metro lines, include a polishing device, the polishing device comprises a mounting plate, amounting base for adjusting the cylinder and the grinding mechanism, A left and right end of that mounting plate are symmetrically mount with mounting bases, A regulating cylinder is installed in themounting base, the adjusting cylinder is two-way telescopic structure, A grinding mechanism is installed at the front and rear ends of the adjusting cylinder, The grinding mechanism comprises a workframe, a No. 1 fixed plate, a No. 2 fixed plate, a rotating shaft, a rotating grinding wheel, a rotating gear, a transition gear, a rotating electric machine, a fixed seat, an adjusting electric pushrod, an adjusting frame, a No. 1 working plate, a No. 2 working plate, a rotating shaft, a rotating grinding wheel, a rotating gear, a connecting gear, a rotating electric machine, an auxiliary springand a guide plate. The invention can solve the problems of high labor cost, low working efficiency, inconvenient adjustment, small use range and the like existing in the existing rail maintenance andpolishing process, and can realize the function of automatic polishing of the rail.

A straight driving screw pump oiling system comprises an oil pump, a pumping rod, a power converter and a screw pump, wherein one end of the power converter is connected with the pumping rod and another end is connected with the screw pump, when the pump drives the pumping rod up and down, the power converter can convert the motion of pumping rod into rotation to rotate the rotor of the screw pump to lift the oil. The invention can be used to pump high-dense high-sand oil, with long service life or the like.

The invention relates to a wireless communication base station and an automatic adjusting construction method of the same. The wireless communication base station comprises a tower body, a working platform, an antenna fixing device and an antenna adjusting device. Mounting holes are uniformly formed in the outer wall of the tower body in the circumferential direction, and threads are arranged in the mounting holes. The working platform is installed on the outer wall of the tower body, the antenna fixing device and the antenna adjusting device are installed on the working platform, the side wall of the antenna fixing device is connected with the antenna adjusting device, and the antenna adjusting device comprises a mounting frame, a adjusting rod, a sliding block, an adjusting rack, a connecting ring frame and an adjusting hydraulic cylinder. According to the wireless communication base station and the automatic adjusting construction method of the same, the problems that in an existingcommunication base station the angle of antenna is inconvenient to adjust, the stability is poor and the height of the working platform is non-adjustable are solved, the function that automatic adjusting can be carried out on the working platform and antenna of the communication base station is realized, and the wireless communication base station and the automatic adjusting construction method of the same have the advantages that the angle of the antenna is adjusted flexibly, the stability is high, and the height of the working platform is adjustable.

The invention, which relates to the technical field of unmanned aerial vehicles, discloses a large freight transport unmanned aerial vehicle fuel system. A first oil supply system comprises a first oil tank, a fuel tank selection electromagnetic valve, a fuel main switch, a fuel filter, an electric booster oil pump, a second one-way valve, an oil pressure sensor, an oil pressure regulator, an oilreturn guide pipe and an oil return tank, and is formed by combining an oil supply guide pipe and a three-way joint. A second oil supply system comprises a second oil tank, a fuel tank selection electromagnetic valve, a fuel main switch, a fuel filter, a mechanical booster oil pump, a first one-way valve, an oil pressure sensor, an oil pressure regulator, an oil return guide pipe and an oil returntank, and is formed by combining an oil supply guide pipe and a three-way joint. According to the technical scheme, the oil supply pressure can be actively adjusted, a redundant backup oil supply andtransportation system is provided, the design is reasonable, the service life is long, the safety performance is excellent, and the working requirement of the electronic injection type aviation piston engine is met.

The invention relates to a tool clamp for an EDM machine tool. The tool clamp comprises a bottom plate and a clamping mechanism, wherein a sliding groove is formed in the bottom plate, and a clampingdevice is installed in the sliding groove; and the clamping device comprises a first moving mechanism, a second moving mechanism, a rotating mechanism and clamping mechanisms, wherein the rotating mechanism comprises a mounting frame, a rotating motor, a supporting frame, a rotating frame and a rotating column, and the clamping mechanisms comprise working round plates, rotating motors, driving gears, driven gears, adjusting columns, moving plates, fixed clamping plates, telescopic clamping plates and rubber strips. According to the tool clamp for the EDM machine tool, the problems that duringthe clamping process of an existing annular workpiece, the working stability is poor, the application range is small, and adjustability is poor can be solved, the function of carrying out automatic clamping on the annular workpiece can be achieved, and the advantages of being high in working stability, wide in application range, flexible to adjust and the like are achieved.

The invention discloses a bottom-up powder feeding system. The bottom-up powder feeding system comprises a base, a forming bin is arranged in the middle of the base, a powder feeding bin is arranged on each of the two sides of the forming bin, and a powder storage bottle is arranged on the side, away from the forming bin, of each powder feeding bin, wherein the forming bin, the powder feeding bins and the powder storage bottles are installed side by side and arranged closely; the base is provided with a powder spreading device for spreading powder between the two powder storage bottles in a circulating mode; the upper ends of the powder feeding bins and the upper end of the forming bin are open and flush; movable bottom plates are arranged at the bottoms in the powder feeding bins, and double-guide-column linear motion units driving the movable bottom plates to move up and down are arranged under the powder feeding bins; and a horizontal two-freedom-degree fine adjustment platform is arranged inside the forming bin, and a double-guide-rail linear motion unit driving the horizontal two-freedom-degree fine adjustment platform to move up and down is arranged under the forming bin. According to the bottom-up powder feeding system, one-way one-time powder spreading within a working cycle is changed into bidirectional two-time powder spreading, and therefore the forming efficiency of 3D printing equipment is effectively improved; and the added structural members are applicable to traditional equipment, and therefore upgrading and transforming of the old equipment is convenient.

The invention relates to a composite track steel wire rope-driven coal mine patrol robot and the patrol robot is suitable for being used underground coal mines. The composite track steel wire rope-driven coal mine patrol robot comprises a track mechanism, traveling mechanisms, driving modules, inspection modules and a control unit, wherein two traveling mechanisms are provided and respectively arranged on the track mechanism, the driving modules are arranged on the two sides of the track mechanism, and the inspection modules are arranged on the traveling mechanisms; the control unit is arranged at one end of the track mechanism and used for receiving and judging information sent by the inspection module and controlling the start and stop of the whole system; as needed, a battery can be used for power supply, so that work needs can be met; the patrol robot is suitable for being used in the scenes of old mine reconstruction or insufficient underground power supply; and the track mechanism is provided with two single tracks, each traveling mechanism is suspended in each single track, and the two traveling mechanisms move in opposite directions and perform reciprocating inspection, such that the inspection frequency is improved. The composite track steel wire rope-driven coal mine patrol robot is stable in movement, and reciprocating and uninterrupted detection can be realized.

The invention discloses a contact type device for measuring the temperature of moving tobacco.The device comprises a temperature sensor, a shell and a data processing device, and the data processing device is arranged in the shell and formed by electrically connecting a data receiver, a data storage device, a power source and a switch; the temperature sensor is electrically connected with the data receiver and extends out of the shell; the data storage device is provided with a data output port; the portion, around the data processing device, inside the shell is filled with a vibration-proof material.The device can move along with the tobacco, the curve of variation of the tobacco temperature along with time and space is measured in real time, and it is helpful to achieve conversion of control of a cigarette process from result control to process control; the contact type sensors are adopted, measurement is stable and high in precision, and the requirement of continuous long-time measurement of a target can be met; the shell has the functions of waterproofness and thermal insulation, and the requirement of working in an environment of high temperature, high humidity and the like can be met; the device is simple in structure, great in operability, convenient and practical, and measured data are accurate.

The invention discloses a rice tray growing seedling growing tray shipping machine, and belongs to the technical filed of agricultural machinery. The rice tray growing seedling growing tray shipping machine comprises a machine frame, a seedling tray spade, and a delivery mechanism, wherein a walking mechanism and a veering mechanism are arranged at the lower end of the machine frame separately, the seedling tray spade is arranged at the front end of the heading direction of the machine frame, and a seedling tray frame is arranged at the rear end of the machine frame, the seedling tray spade is arranged at the front end of the heading direction of the machine frame, and is used for scooping up a seedling tray, the delivery mechanism is arranged on the machine frame between the seedling tray spade and the seedling tray frame, and delivers the seedling tray which is scooped off the ground by the seedling tray spade to the seedling tray frame. In the rice tray growing seedling growing tray shipping machine, the vertical-type folding seedling tray spade is adopted to scoop up the seedling tray, when the seedling tray is off the ground, carried mud is reduced, the work resistance is reduced, and thus the seedling tray is conveniently scooped up. A shipping belt with the combination of a straight line section and an inclined section is adopted to deliver the seedling tray, the seedling tray frame is arranged at the tail end of a delivery belt on the machine frame, and a signal is detected and transferred through a photoelectric switch to control a motor to run. The rice tray growing seedling growing tray shipping machine is smooth in shipping, simple in structure, flexible in use, high in working efficiency, and accurate in control.

The invention relates to a fixture for machining of a numerical control electric spark machine tool. The fixture comprises a bottom plate, a clamping device, limiting devices and a cleaning device. The bottom plate is provided with a sliding chute, the sliding chute is internally provided with the clamping device, the front end and the rear end of the clamping device are symmetrically provided with the limiting devices, the limiting devices are installed on the bottom plate, and the rear side of the bottom plate is provided with the cleaning device. The clamping device comprises a first movement mechanism, a second movement mechanism, a rotating mechanism and clamping mechanisms. The clamping mechanisms comprise work round plates, rotating motors, driving gears, driven gears, adjustment pillars, movement plates, fixed clamping plates, telescopic clamping plates and rubber strips. By means of the fixture for machining of the numerical control electric spark machine tool, the problems that in an existing annular workpiece clamping process, work stability is poor, the use range is narrow, adjustment is poor, potential safety hazards exist, and the like can be solved, and the functionof automatically clamping an annular workpiece can be realized.

The invention relates to an excavator intelligent high-precision positioning method based on satellite navigation, belongs to the field of satellite technology comprehensive application, and aims to solve the problem that in the prior art, automatic, intelligent and high-precision positioning of an excavator cannot be achieved. A receiver, a measurement type antenna, a single-axis angle sensor, adouble-axis angle sensor, a vehicle-mounted computer and other devices are installed on the excavator. The accurate positions of the excavator and main parts of the excavator can be solved through a Beidou high-precision space information technology and an analysis algorithm, the relative coordinates of all points under the operation posture of the excavator are reasonably analyzed and solved by constructing side-looking and top-looking two-dimensional coordinates, and accurate positioning of all the main parts can be completed through coordinate system conversion. On the basis of accurate positioning, rapid positioning can be achieved, the positioning precision is improved, automatic guiding and tracking of the excavator are completed, and the engineering application requirements of different industries are met.

The embodiment of the invention provides a battery unit, a piece of terminal equipment and a battery unit configuration method, and relates to the technical field of electronics. The utilization rate of stored energy in the battery unit can be improved. The battery unit comprises a battery cell used for storing electric energy, a protective plate electrically connected with the battery cell and used for providing over-voltage, over-current, over-discharge and over-temperature protection for the battery cell in the process of charge and discharge, and a boost control circuit electrically connected with the battery cell and used for boosting the output voltage of the battery cell when the output voltage of the battery unit is lower than or equal to a predetermined voltage. According to the battery unit, the terminal equipment and the battery unit configuration method provided by the embodiment of the invention, the battery unit and the battery unit configuration method are used in the terminal equipment with a battery unit.

The invention discloses a dosing device for liquid lead, which comprises a shell, a valve core, a valve stem and a quantitative cylinder. The shell is hollow and is provided with a lead inlet and a lead outlet; the valve core is positioned at one end inside the shell, a liquid lead channel for connecting the lead inlet and the lead outlet is arranged on the valve core. The valve stem is arranged at the other end inside the shell. One end of the valve stem is provided with a conical head for closing the liquid lead channel. The quantitative cylinder is connected at the other end of the valve stem. As the quantitative cylinder is adopted to control the valve stem to close the lead liquid channel of the valve core, the dosing device for the liquid lead by adopting the technical scheme of the invention has the advantages of simple structure, low cost and reliable working. As the using of the dosing device for the liquid lead, a casting plate device thereof has the advantages of more steady performance, more accurate dosing for the liquid lead, less waste and low cost. As the dosing device is arranged between a lead pipe and a lead ladle far away from a scorching lead furnace, the service life is longer and the maintenance is more convenient.

The invention relates to a gas-material separation type flue gas diversion distribution device, which comprises a flue gas diversion section, a gas flow stabilizing section, a flue gas distribution section and a granular coal collection section, wherein the flue gas diversion section comprises a flue gas diversion plate and a flue gas conveying section; the flue gas diversion plate is arranged ata flue gas inlet pipe and is arranged in an acclivitous mode along the flowing direction of flue gas; the granular coal collection section has an ash bin structure, and a granular coal collection binis positioned at the bottom of the device; the flue gas conveying section and the gas flow stabilizing section are arranged on the upper part of the granular coal collection section, and the flue gasconveying section is connected with the flue gas diversion plate and the gas flow stabilizing section; the gas flow stabilizing section is provided with a plurality of grid plates for stabilizing gasflow and balancing pressure; the flue gas distribution section is arranged on the upper part of the gas flow stabilizing section and is provided with a plurality of air distributing chambers; and each air distributing chamber is provided with a flue gas distribution regulation valve bank for regulating the pressure and flow rate of each air distributing chamber. The gas-material separation type flue gas diversion distribution device has the advantages that the gas flow can be distributed uniformly, granular coal materials mixed in the conveyed gas flow can be separated from the gas flow quickly, and the separated coal materials are discharged quickly by closed ash discharging equipment.

The invention relates to an automatic grinding robot for rail maintenance, including two polishing devices, a connecting chain, walking devices and an oiling device, The two grinding devices are symmetrically arranged left and right, and the two grinding devices are connected with each other through a connecting chain, Low ends of the polishing device are provided with walking devices, The polishing devices comprise mounting plates, mounting seats, adjusting cylinders and polishing mechanisms; the walking devices comprises buffer springs, supporting plates, adjusting height cylinders, base plates and traveling wheels; and the oiling device comprises a horizontal plate, an oil storage tank, an oil extraction roller, an oiling roller, a connecting frame and a working motor. The invention cansolve the problems of high labor cost, low working efficiency, inconvenient adjustment, small use range and the like existing in the existing rail maintenance and polishing process, and can realize the functions of automatic polishing and oiling of the rail.

The invention discloses a remote-control air-pressure braking cable crane roadster. The remote-control air-pressure braking cable crane roadster comprises a vehicle body, as well as a traveling pulley, a hoisting pulley and a hoisting rope guide pulley which are fixedly mounted in the vehicle body, wherein a remote-control interlocking air-pressure brake and a working power supply are also mounted in the vehicle body; the remote-control interlocking air-pressure brake comprises a pneumatic control system, a bearing rope brake and a hoisting rope brake; the pneumatic control system comprises an air supply device, an overflow valve, a pressure-reducing valve, a two-position four-way pneumatic control reversing valve, a speed-adjusting valve, an electromagnetic wave remote-control switch and a two-position three-way electromagnetic valve; the air supply device comprises an inflation system and / or a pressure air tank; the inflation system comprises an air compressor, an air filter, an air dryer and an oil sprayer; the bearing rope brake adopts horizontal transverse clamping brake on a bearing rope. By the remote-control air-pressure braking cable crane roadster, interlocking brake of the bearing rope and the hoisting rope can be realized; the bearing rope is braked by a cylinder overhead double-connecting-rod reinforcement horizontal transverse clamping mechanism, so that the roadster has a function of passing a bearing rope middle bracket.

The invention discloses a power adapter comprising an alternating current input circuit, an electromagnetic interference filter circuit, a rectifier filter circuit, a pulse width modulation circuit, a transformer, a first rectifier filter circuit and a second rectifier filter circuit; the alternating current input circuit is connected with an external alternating current power supply; the electromagnetic interference filter circuit is connected with an alternating current input circuit; the rectifier filter circuit is connected with the electromagnetic interference filter circuit; the pulse width modulation circuit is connected with the rectifier filter circuit; the transformer is connected with the pulse width modulation circuit; the first rectifier filter circuit is respectively connected with the transformer and a first voltage output end Vout1; the first voltage output end Vout1 is connected with first electric appliance equipment; the second rectifier filter circuit is respectively connected with the transformer and second voltage output end Vout2; and the second voltage output end Vout2 is connected with second electric appliance equipment. According to the power adapter disclosed by the invention, double-circuit voltage independent output can be realized, so that the normal working requirements of two pieces of electric appliance equipment are met, the adapter purchasing cost of a user and the valuable indoor space of a user are saved.

The invention relates to municipal engineering brick paving equipment. The municipal engineering brick paving equipment comprises a bottom plate, travelling wheels, a mounting frame, a paving device and a joint filling device, wherein the travelling wheels are mounted at the lower end of the bottom plate; the mounting frame is mounted at the upper end of the bottom plate; the front and rear ends of the mounting frame are symmetrically provided with square holes ; the mounting frame is sequentially provided with the paving device and the joint filling device in sequence from left to right; thepaving device comprises a guide mechanism and a compaction mechanism; the joint filling device comprises a charging box and a joint filling mechanism. By adopting the municipal engineering brick paving equipment provided by the invention, the problems in an existing square brick paving process of high labor cost, great labor intensity, low working efficiency, poor adjustability, easiness of skewing in a paving process and the like can be solved; a function of automatically paving square bricks can be realized; the municipal engineering brick paving equipment has the advantages of low labor cost, small labor intensity, high working efficiency, flexibility in adjustment, high paving straightness and the like.

The invention relates to a hybrid power battery pack, an electrical control system thereof, a crane and a system working method. The hybrid power battery pack comprises a plurality of storage batteries which are connected in series respectively. Battery voltage and temperature detecting modules are arranged on the storage batteries. The output ends of the battery voltage and temperature detecting modules are connected with signal collecting ends of a battery management device main machine which is suitable for controlling the charging-discharging parameters of the storage batteries according to the voltage and / or the temperature of the storage batteries, so that the service life of the batteries is prolonged, and the normal working requirements of the electrical control system are met. Generator power is effectively lowered, noise pollution and exhaust emission of a generator are lowered, the operation cost of the generator is saved, and after mounting on an RTG is carried out, RTG flexible transferring working is convenient.

The invention discloses a built-in flow detection device. The device comprises an electromagnetic induction module, a signal processing module and a charging module; the electromagnetic induction module comprises a fixing support arranged to be perpendicular to the flow direction of fluid in a to-be-detected pipeline, a cross structure support arm uniformly dividing the fixing support into four areas, an impeller rotationally connected to the center of the cross structure support arm and permanent magnets which can rotate along with the impeller, induction coils are embedded in the four areasrespectively, the impeller comprises four blades with the permanent magnets, and when the fluid flows to drive the blades to rotate, the induction coils can cut magnetic lines to generate electric signals. The device is not connected with a wire outside the pipeline, electricity is supplied to a fully sealed circuit by means of a built-in storage battery and a self-generating charging system, potential safety hazards such as tubing pressure gas leakage caused by the wire to pipe penetrating wall connection and bare contact of an electrical connection point and a gas medium are completely eradicated, and the problem of difficult continuous power supply for a built-in circuit module used for a long time is solved.

The invention relates to a crushing robot for plastic film recovery. The robot comprises a base plate, support frames, a shearing device and a crushing device, wherein the support frames are symmetrically mounted on left and right sides of the lower end of the base plate, a square port is formed in the middle of the base plate, the shearing device is mounted at the upper end of the square port, and the crushing device is mounted at the lower end of the square port; the crushing device comprises a crushing box, a telescopic plate, an adjusting rack, an adjusting gear, an adjusting motor, an adjusting plate, a crushing motor, a rotating barrel, a carriage, a sliding plate, a crushing blade, an electric adjusting push rod, a mounting plate, an openable plate and an openable cylinder. The robot can solve the problems that in existing plastic film crushing process, plastic films intertwine with crushing devices easily, dead corners exist, crushing is not thorough, the adjustability is poorand the like, can realize automatic shearing and crushing functions on plastic films and has the advantages of no intertwining, no dead corners, thorough crushing, good adjustability and the like.

The invention provides a fatigue multi-index detector for a civil aviation pilot before duty. The fatigue multi-index detector comprises an electroencephalogram signal collector, a physiological parameter detector, an abdominal breathing belt, a tablet personal computer and a multi-index analysis processing platform, wherein the electroencephalogram signal collector, the physiological parameter detector, the abdominal breathing belt and the tablet personal computer are electrically connected with the multi-index analysis processing platform through data lines respectively. The fatigue multi-index detector has the advantages that the fatigue condition of the pilot before duty is reflected by detecting fatigue indexes. A multi-index detection system is designed and developed based on the thought of combining subjective evaluation and objective detection, all detection can be completed within 5 minutes, a report is given immediately, and meanwhile a personal file is established so that the fatigue condition of the pilot can be monitored for a long time, and the mental health condition of the pilot is predicted through the fatigue condition. The fatigue multi-index detector has the function of detecting the fatigue condition of the pilot through multiple indexes, and the defect that the fatigue of the pilot is not accurately evaluated through a single index is overcome.

The invention discloses a position feedback device for a working roller of a multi-roller mill and a position feedback control method of the position feedback device. A control system is matched with the corresponding position feedback device to perform position adjustment control on a roller system after a roller is replaced and before a roller leaning test is performed, so that effective support for the roller system is realized; transverse movement oil cylinders drive transverse movement arms to move along linear guide rails to reach initial set positions; rotating oil cylinders drive rotating arms to reach mechanical zero positions; position sensors are matched with the control system and the transverse movement oil cylinders to enable the transverse movement arms to reach positions where the transverse movement arms are in no-clearance surface contact with the rotating arms; and load sensors are matched with the control system and adjustment devices which are arranged at the central line positions of fixed arms and are used for adjusting the transverse movement arms so as to drive the transverse movement arms, the rotating arms and side supporting roller boxes to achieve the effect that a set value of a load difference between two sides can be met. The position feedback device for the working roller of the multi-roller mill and the position feedback control method of the position feedback device are high in load-deflection resistance, the stability of the roller system is high, and the surface quality of a rolled strip is high; and the stability of the rolling working condition and the rolling continuity are guaranteed.

A multi-gear hydrodynamic transmission applicable to various working conditions mainly comprises a hydraulic torque converter and a multi-gear power shift gearbox with an integral box. An output shaft of the hydraulic torque converter is connected together with an input shaft of the gearbox, and an input gear is fixedly connected onto the input shaft. A KR driving gear engaged with the input gear is fixedly connected onto a KR shaft, an R driving gear is hollowly sleeved on the KR shaft through a rolling bearing, and a KR multi-disc wet friction clutch is arranged on the KR shaft. A KV driving gear engaged with the input gear is fixedly connected onto a KV shaft, a V driving gear is hollowly sleeved on the KV shaft through a rolling bearing, and a KV multi-disc wet friction clutch is arranged on the KV shaft. A K1 driving gear is fixedly connected onto a K1 / 3 shaft, a K3 driving gear is hollowly sleeved on the K1 / 3 shaft through a rolling bearing, and a K1 / 3 multi-disc wet friction clutch is arranged on the K1 / 3. The multi-gear hydrodynamic transmission is totally provided with six multi-disc wet friction clutches and two multi-disc wet friction brakes, different gears of the gearbox are obtained by means of different combinations of the wet friction clutches and the wet friction brakes, and the performance requirement of a finished vehicle under different working conditions is met by selecting hydraulic torque converters with different performances.

The invention relates to a work platform of a tower type wireless communication base station and an adjusting and constructing method of the platform. The work platform comprises a work platform body,antenna fixing devices and an antenna adjusting device, wherein the antenna fixing devices and the antenna adjusting devices are installed on the work platform body, and the side walls of the antennafixing devices are connected with the antenna adjusting devices. The work platform body comprises a supporting ring plate, a fixing ring rack and first fixing mechanisms; each antenna fixing device comprises an installation plate, an installation base, a connection air cylinder, a limiting rack, a sleeve and an antenna; the antenna adjusting device comprises installation racks, adjusting rods, sliding blocks, adjusting racks, a connecting ring rack and adjusting hydraulic cylinders. By means of the work platform, the problems can be solved that in an existing communication base station, the angles of antennas are inconvenient to adjust and the height of a work platform cannot be adjusted, the functions are achieved that the angles of the antennas of the communication base station are adjusted, and the height of the work platform is adjusted, and the work platform has the advantages that the angles of the antennas are flexibly adjusted, and the height of the work platform can be adjusted.

The invention provides a novel electric spool stand, comprising a support frame, a spindle, a reel, rotating discs, a handle and a motor; the spindle is horizontally fixed on the support frame by means of a bearing connecting piece; the reel is coaxially fitted on the spindle; the rotating discs are fixed on two sides of the reel, respectively; a separation disc is further arranged on the reel; a wire guiding hook is arranged on the separation disc; one end of the spindle is connected with the motor by means of a driving belt; the motor is fixed on a side surface of the support frame; the handle is further connected to the spindle; a brake pad is further arranged below each rotating disc; the two brake pads are mounted at the bottom of the support frame; pedals are further arranged on the support frame; the pedals are connected with the brake pads; the brake pads rotate with rotating shafts of the pedals as middle axels; a counter is further arranged on the support frame; the counter contains a receiver therein; and emitters are arranged on the rotating discs.