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324results about How to "Slow down" patented technology

Energy saving system of belt conveyor and energy-saving control method thereof

The invention relates to an energy saving system of a belt conveyor and an energy-saving control method of the energy saving system of the belt conveyor. The energy saving system of the belt conveyor comprises a system starting button, a belt conveyer, a material detection device, a signal transformer, a belt conveyer drive motor, a frequency converter and a programmable controller. The belt conveyer is provided with a conveyer belt and the belt conveyer drive motor. The material detection device is installed right belowunder the conveyer belt and connected with the programmable controller through a signal line. The system starting button is connected with the programmable controller which is connected with the belt conveyer drive motor through the frequency converter by controlling the signal line. The belt conveyer system realizes the automatic control state of ''high speed with materials and low speed without materials''. According to the energy saving system of the belt conveyor and the energy-saving control method of the energy saving system of the belt conveyor provided by the invention, the idle time and idle energy consumption of the belt conveyer can be effectively reduced, so that the system mechanical loss generated in the time is reduced, the work efficiency is remarkably improved, the electric energy loss is reduced, and the purpose of saving energy and reducing consumption is realized.
Owner:江苏交科能源科技发展有限公司 +1

Synchronizing system for multiple hydraulic cylinders and control method for synchronizing system for multiple hydraulic cylinders

The invention discloses a synchronizing system for multiple hydraulic cylinders and a control method for the synchronizing system for multiple hydraulic cylinders. The synchronizing system for multiple hydraulic cylinders, disclosed by the invention, includes two hydraulic control valves, three hydraulic cylinders and a rigid fixed connection mechanism, as well as a control unit and a feedback pressure sensor, wherein two of the hydraulic cylinders are reference hydraulic cylinders, and the other hydraulic cylinder is a servo hydraulic cylinder; the hydraulic control valve connected with the servo hydraulic cylinder is a servo hydraulic control valve; pressure of a reserved hydraulic chamber of the servo hydraulic cylinder is detected by a feedback pressure sensor; the control unit is in signal connection with an electric control end of the servo hydraulic control valve; the control unit can be used for confirming the servo pressure of the servo hydraulic cylinder as per a detection signal of the feedback pressure sensor, and reducing the opening degree of the servo hydraulic control valve connected with the servo hydraulic cylinder when the servo pressure of the servo hydraulic cylinder is larger than a first threshold value. The synchronizing system for multiple hydraulic cylinders can improve the synchronization precision of actions of multiple hydraulic cylinders while controlling the cost.
Owner:SANY AUTOMOBILE HOISTING MACHINERY

Air traffic system with upper railways and lower railways

An air traffic system with upper railways and lower railways comprises train stations, supporting rods, railways, railway boxes, trains, a power supply system and a control system. The air traffic system with the upper railways and the lower railways is characterized in that the railways are divided into the upper railways and the lower railways, the upper railways are installed inside the railway boxes, the lower railways are installed on the supporting rods, the railway boxes are arranged in air between the two adjacent train stations by relying on the supporting rods, the railways are continuous curved railways, the supporting rods are connected with the railway boxes and the lower railways in a sliding mode, the trains are hanged below the upper railways and supported above the lower railways, the trains move along the railways by relying on the power supply system and the control system, and the change on the speed of the trains is achieved by utilizing the conversion between the potential energy and the kinetic energy, so that the trains are convenient to start and brake, and the purposes of energy conservation, consumption reduction and emission reduction are achieved. The air traffic system with the upper railways and the lower railways has the advantages that the air traffic system with the upper railways and the lower railways can be manufactured in low cost, short time and mass production, the going out efficiency of residents can be greatly improved, the going out cost can be lowered, and the problems of traffic congestion and environment pollution can be solved.
Owner:戴长虹

Overlarge type ring rolling machine

The invention relates to the field of metal pressure moulding and provides an overlarge type ring rolling machine which has large rolling force, good rigidity, high processing precision, high processing efficiency and low processing cost and can be suitable for the manufacturing requirement on a large cylindrical section. A stand of the overlarge type ring rolling machine comprises a drive side stand and an operating side stand which are longitudinally and oppositely arranged, both ends of each roll are supported, and axes are horizontally arranged; a drive roll is arranged at the lower part of the stand, and a core roll is positioned on the drive roll; at least one of double axial directions of the core roll is set to be a drawing direction of the core roll, one end of the core roll points to the other end along the drawing direction, the starting point end is a suspending end, and the terminal point end is a drawing end; a drawing unit comprises the core roll and a drawing end core roll bearing seat thereof or the core roll and core roll bearing seats at both ends of the core roll; the overlarge type ring rolling machine is provided with a roll drawing mechanism for doing reciprocating motion along the drawing direction of the core roll; and the roll drawing mechanism is provided with a detachable type fixing structure of the drawing unit. The invention is suitable for producing a large cylindrical section with large axial size, weight and wall thickness in the fields of large nuclear power, petrochemical container, aerospace, and the like.
Owner:CHINA ERZHONG GRP DEYANG HEAVY IND

Hot bending furnace for colored glazing glass, method for preparing colored glazing toughened hot-bent glass and colored glazing toughened hot-bent glass

The invention discloses a hot bending furnace for colored glazing glass, a method for preparing hot-bent glass by using the hot bending furnace and the prepared colored glazing toughened hot-bent glass. The hot bending furnace comprises a furnace body (1), a push-pull base (2), an electric heating device (3) consisting of a fixed heating furnace wire (7) and a movable heating furnace wire (8), and an electrical appliance control device (4). In the process of performing hot bending treatment by using the hot bending furnace, the movable heating furnace wire (8) performs local auxiliary heating on the bending position of glass so as to ensure that the glass is completely attached to a mould at the bending position; the radius of a bending arc of the prepared colored glazing toughened hot-bent glass is less than or equal to 90mm, and the bending radian fully meets design requirements; multiple hot bending treatment such as single bending, continuous bending and the like can be realized; and the defects that the conventional hot-bent glass cannot be completely attached to the appropriate position of the mould, the prepared hot-bent glass has only one bending arc and the radius of the bending arc is more than 90mm are overcome.
Owner:新福兴玻璃工业集团有限公司

Automatic cutter for optical fibers

The invention discloses an automatic cutter for optical fibers. The cutter comprises a base for installing the optical fibers, a small press plate, a large press plate and an optical fiber cutting device, wherein the small and large press plates are used for clamping the optical fibers, and the optical fiber cutting device is used for cutting the optical fibers automatically after the large press plate clamps the optical fibers. A button is connected with a hinge shaft of the large press plate with a spring arranged in the middle, so that when an upper rubber mat of the large press plate and a lower rubber mat of the base are closed, the pressure to the optical fibers between the rubber mats is maintained, the button touches a pressure head to drive a press shaft to move downwards and is pushed out of a fixed piece, a slide block moves under the action of a compressed spring and cuts the optical fibers. Actions of the mechanism are flexible and gaps are small due to adoption of the double-shaft slide block supported by three linear bearings, the action accuracy of the slide block is improved, a damping sleeve is disposed on a lower optical shaft, the operating speed of the slide block is reduced, impact of a blade during cutting of the optical fibers is reduced, cutting quality of the optical fibers is improved, gaps can be eliminated, and deflection of the slide block during motion is reduced.
Owner:北京信维科技股份有限公司

Coil-well resident building elevator

InactiveCN102826431ADoes not occupy building areaEasy to installElevatorsBuilding liftsEngineeringPulley
The invention discloses a coil-well resident building elevator. The coil-well resident building elevator is provided with a track beam, a lifting-pulling device, a lifting-pulling rope, a track device, a slideway, a pulley device, a manned device and a braking mechanism, wherein the track beam is arranged below a roof panel on a topmost layer on the upper part of the central surface of a stair wheel; the lifting-pulling device is movably arranged on the track beam; the upper end of the lifting-pulling rope is connected with the lifting-pulling device; the track device is arranged on the lower edge of a stair board above a stair railing or on the inner side face of the stair board around the stair well; brackets are positioned on the stair railing and a railing upright post; the slideway is arranged on the outer side of the raining upright post below the stair railing; the pulley device is movably arranged on the track device; the manned device is connected to the lower end of the pulley device; the side face of the manned device is connected with the slideway in a sliding way; and the braking mechanism is arranged between the pulley device and the track device, and is used for braking the pulley device and stopping the elevator under the control of a brake handle and a control device. The coil-well resident building elevator has the advantages of no need of any special channel, no occupation of the building area, simple equipment, convenience in installing and low cost on building and running, and is suitable for multi-story buildings, in particular for built powerless multi-floor buildings.
Owner:余载强

Automatic double-track screen printing device transmitted through connecting rods

The invention relates to the field of textile machines, in particular to an automatic double-track screen printing device transmitted through connecting rods. The automatic double-track screen printing device comprises printing tables used for supporting printed materials, and a track which is used for supporting the printing tables and moves forwards along the path of the track. The track is of the double-track structure of an inner track and an outer track which are arranged in an equally spaced mode, and the track is in the shape of a closed curve with the end portions being semicircular and the middle being straight. Two sets of bearings are arranged on the bottom faces of the printing tables, one set of bearings is clamped on the two sides of the outer track, and the other set of bearings is clamped on the two sides of the inner track. Two adjacent printing tables are hinged through one connecting rod, and the connecting rod is placed on the inner side of the inner track. According to the automatic double-track screen printing device, the transmission structure of the double tracks together with the connecting rods is adopted, compared with a traditional connection transmission structure of a single track together with a chain, the connecting structure is greatly simplified, and the movement velocity is low; due to good rigidity of the connecting rods, the tables can not shake easily, movement is more stable, and printing precision is higher; the bearing sets are arranged so that running noise can be lowered, and the impact of the tables is reduced when the tables pass through the arc outer track.
Owner:邹可权

Hemostasis rescuing device for cardiology clinic with function of buffering protection

InactiveCN108420488ASlow downIncrease the buffer functionSurgeryEngineeringCardiology clinic
The invention discloses a hemostasis rescuing device for cardiology clinic with a function of buffering protection. The hemostasis rescuing device comprises an upper pressing plate, a lower pressing plate, supporting plates and a bottom plate, the lower pressing plate is fixedly connected through two supporting plates, an upper pressing groove is formed in the upper pressing plate, a lower pressing groove is formed in the lower pressing plate, hemostasis pads are arranged in the upper pressing groove and the lower pressing groove, buffering protection devices are arranged between the lower pressing groove and each hemostasis pad. Each buffering protection device comprises a mounting column. The hemostasis rescuing device disclosed by the invention has the beneficial effects that a buffering column drives a moving plate to move downwards, the moving plate extrudes hydraulic oil, the hydraulic oil moves upward slowly through through holes so that the movement speed of the moving plate islowered, and the buffering function to hands or legs is effectively improved; a first bevel gear drives a threaded rod to rotate, because a lifting column cannot rotate, the lifting column moves downwards under the action of the threaded rod to drive the upper pressing plate to move downwards, the bleeding part is pressed tightly, the hemostasis is realized rapidly, and the hemostasis effect is effectively improved.
Owner:张靖

Multiple sensor-integrated medium-speed unmanned vehicle detection and obstacle avoidance system

The invention belongs to the technical field of unmanned driving and discloses a multiple sensor-integrated medium-speed unmanned vehicle detection and obstacle avoidance system, which comprises a control system, a vehicle roof laser radar, a vehicle-mounted monocular vision camera, a front laser radar group and a rear laser radar group, wherein the vehicle roof laser radar is used for detecting ups and downs of a road in front of the unmanned vehicle and together with the front laser radar group, detecting the obstacle condition in a front motion path of the unmanned vehicle; the front laserradar group is also used for detecting the obstacle condition in a left front motion path and a right front motion path of the unmanned vehicle; the rear laser radar group is used for detecting the obstacle condition in the rear side of the unmanned vehicle; the vehicle-mounted monocular vision camera is used for recognizing a sign in front of the unmanned vehicle and together with the vehicle roof laser radar and the front laser radar group in match, detecting the obstacle condition; and the control system comprises an upper computer and a lower computer; and the lower computer is a dual-corecontroller formed by an FPGA and an ARM. The price is low, the cost performance is relatively high, and the practicability is strong.
Owner:张好明

Braking pedal feel simulating device of automobile brake-by-wire system

InactiveCN103481878AReduce pressure differenceThe small pressure difference is very small, and the force exerted by the push rod on the control armMechanical braking transmissionInterference fitSpring force
A braking pedal feel simulating device of an automobile brake-by-wire system comprises a braking pedal, a pedal controlling arm, a pedal shaft, a pedal fixing support, a torsion spring, a pedal angle displacement sensor, a pedal force sensor and a pedal feel simulator. The braking pedal is fixedly connected with the pedal controlling arm, a round hole is processed at the upper end of the pedal controlling arm which is rotatably connected with the pedal shaft, the pedal shaft is mounted in a mounting hole of the pedal fixing support, a guide small hole is formed in the pedal fixing support, the diameter of the guide small hole is in interference fit with the outer diameter of a pushing rod, the torsion spring is cylindrical and is sleeved on the pedal shaft in a hollow manner, one end of the torsion spring is fixedly connected on the pedal fixing support while the other end of the same is connected on the pedal controlling arm, the torsion spring reverses and generates spring force along with rotating of the pedal controlling arm, the pedal angle displacement sensor is mounted in the round hole at the upper end of the pedal controlling arm, the pedal force sensor is mounted on the braking pedal, and the front end of a pushing rod of the pedal feed simulator is rotatably connected with the pedal controlling arm.
Owner:BEIHANG UNIV

Method for testing bearing capacity of foundation pile with dynamic stage loading method

The invention discloses a method for testing the bearing capacity of a foundation pile with a dynamic stage loading method. The method comprises the following steps: axially applying dynamic load to the pile top of the foundation pile in a multi-stage manner, reporting the load, displacement and acceleration caused by the mass points of the pile body of the foundation pile being impacted in real time, and then analyzing the reported load, displacement and acceleration data to judge the vertical compression bearing capacity of the foundation pile. The dynamic stage loading method adopts progressive increase of equal-potential energy or progressive increase of load magnitude. A result analysis method comprises the following steps: obtaining the relationship between static resistance deducting dynamic resistance and inertia force under the dynamic stage loading action and pile top settlement, finally synthesizing the relationship between the static resistance of the pile top under east-stage loading action and the settlement, and therefore obtaining a final comprehensive relationship chart of load and settlement; determining the maximum bearing capacity of the pile according to the change condition of loading and settlement. Compared with a static load method, the method has the advantages of being short in a test cycle and high in testing efficiency, and the testing cost is reduced; the result is closer to the effect of the actual bearing capacity of the foundation pile, the test result is more accurate, and the method is efficient.
Owner:安徽省(水利部淮河水利委员会)水利科学研究院(安徽省水利工程质量检测中心站) +1

Intelligent adjustment type heat dissipation method and system for high-voltage frequency converter

The invention discloses an intelligent adjustment type heat dissipation method and system for a high-voltage frequency converter. The intelligent adjustment type heat dissipation method for the high-voltage frequency converter comprises the steps that (1) a temperature signal of an IGBT is detected in real time, and the temperature signal of the IGBT is converted into a digital signal to be output after shaping and filtering are conducted on the temperature signal; (2) the temperature signal of the IGBT is received and is judged, and when the temperature value is smaller than a preset smallest temperature value, a radiator is controlled to operate at a preset lowest operation frequency; when the temperature value is larger than a preset largest temperature value, the radiator is controlled to operate at a preset highest operation frequency; when the temperature value is between the preset largest temperature value and the preset smallest temperature value, the target operation frequency of the radiator is calculated, and the radiator is controlled to operate at the target operation frequency. The intelligent adjustment type heat dissipation system for the high-voltage frequency converter comprises a first module used for detecting the temperature signal of the IGBT in real time and a second module used for controlling the radiator to operate. The intelligent adjustment type heat dissipation method and system for the high-voltage frequency converter have the advantages that the method is easy to realize, energy consumption is small, the utilization rate of heat dissipation power is high, the noise is low, and intelligent adjustment can be achieved.
Owner:长沙奥托自动化技术有限公司
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