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196results about How to "Avoid violent collisions" patented technology

Rotary drilling rig and main winch placing down speed control device thereof

The invention provides a rotary drilling rig and a main winch placing down speed control device thereof, wherein the main winch placing down speed control device comprises a sensor, a controller and a reverse valve device, the sensor is used for sensing the relative distance between a drill rod and a power head buffer device in real time and sending triggering signals when the relative distance equals to the preset distance, the controller is used for sending voltage signals to the reverse valve device after receiving the triggering signals, an oil supply opening of a main pump negative feedback opening is connected with the main pump negative feedback opening through the reverse valve device, and the oil supply opening supplies oil to the main pump negative feedback opening when the reverse valve device receives the voltage signals and the main winch is in the placing down state. The negative feedback pressure of a main pump can be controlled, and the discharge capacity of the main pump is changed, so the main winch placing down speed can be effectively decelerated in the drill rod placing down process, the severe collision between the drill rod and a power head is avoided, the service life of the power head is prolonged, and the whole machine reliability is improved.
Owner:BEIJING SANY HEAVY MASCH CO LTD

Active heave compensation system of underwater robot

The invention relates to an active heave compensation system of an underwater robot. A hydraulic winch is fixedly connected to a deck of a mother ship, an armoured cable is wound on a winding drum of the hydraulic winch, the armoured cable is connected with a combination of a relay and the underwater robot through a fixed pulley, a sensor module is fixedly installed on the fixed pulley and sequentially connected with a signal processing module, a control unit, a hydraulic driving system and the hydraulic winch. An existing hydraulic take-up and pay-off winch can be utilized for the active heave compensation system, additional power equipment does not need to be arranged, and the work space for the deck of the mother ship does not need to be enlarged either. Besides, because the rotation range of the hydraulic winch is wide, the compensation range is wide; meanwhile, violent collision between the underwater robot and the relay is avoided in the releasing or retracting process. Compared with a passive compensation mode of a pneumatic-hydraulic energy accumulator, the active heave compensation system of the underwater robot has the advantages that heave compensation efficiency can be effectively improved, and the active heave compensation system is easy to operate, convenient to obtain in the respect of engineering and capable of being applied to high-precision heave compensation under significant sea conditions.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Automatic mounting machine for aluminum profile border corners

The invention relates to the technical field of automated production equipment of aluminum profiles, in particular to an automatic mounting machine for aluminum profile border corners. The automatic mounting machine for the aluminum profile border corners saves manpower, improves the production efficiency and improves product quality. The automatic mounting machine for the aluminum profile border corners is characterized in that a feeding device comprises a rack, wherein two bin stand columns are arranged on the rack; a loading plate is arranged between upper ends of the two bin stand columns; a border discharging trough is formed between the two bin stand columns and on the loading plate, and border slides are arranged on the bin stand columns and correspond to the border discharging trough; corner slides are arranged on the bin stand columns and correspond to two ends of the loading plate, and a corner discharging trough is formed in the loading plate and correspond to the corner slides; a border unloading device is arranged at the lower end of each bin stand column and corresponds to the corresponding border slide; a corner unloading device is arranged at the lower end of each bin stand column and corresponds to the corresponding corner slide; a corner pressing mechanism corresponds to the lower ends of the bin stand columns.
Owner:YINGKOU JINCHEN MACHINERY

Tuned mass damper for controlling vertical high-frequency vibration of floor slabs and manufacturing method thereof

The invention discloses a tuned mass damper for controlling vertical high-frequency vibration of floor slabs and a manufacturing method thereof. The tuned mass damper mainly comprises a gantry rigid frame, a weight and damping units; the gantry rigid frame is composed of pillars and a horizontal steel beam; the weight fixed on the horizontal steel beam is driven by vertical bending deformation of the horizontal steel beam to linearly reciprocate in the vertical direction; the weight is in a variable section form, thus the weight is centrally stressed on the horizontal steel beam, and height of the weight is reduced; eddy current damping units are used as damping elements, including two sets, used to keep balanced lateral stress; the whole damper is mounted inside a floor slab through a bottom steel plate, and partial rigidity of the floor slab is enhanced by the bottom steel plate. The tuned mass damper and the manufacturing method thereof have the advantages that high frequency required by the tuned massage damper for use in damping vertical vibration of floor slabs of industrial workshops is achieved, height of the damper is effectively reduced, and embedding the damper into the floor slab is facilitated.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER

Soybean milk preparation method of soybean milk machine

The embodiment of the invention discloses a soybean milk preparation method of a soybean milk machine. The soybean milk preparation method of the soybean milk machine includes the steps that first preset power is used for preheating a bean and water mixture, the bean and water mixture is preliminarily smashed at first preset rotation speed, and therefore integrated beans are smashed into bean blocks; a second preset power is adopted to heat the preheated and pre-smashed bean and water mixture for preset time to make the bean and water mixture reach a preset temperature, wherein the preset temperature makes the bean and water mixture in a boiling state; after the bean and water mixture reaches the preset temperature, the bean and water mixture is smashed at second preset rotation speed, wherein the second preset rotation speed is greater than the first preset rotation speed. By the adoption of the soybean milk preparation method of the soybean milk machine, before a subsequent smashingprocess starts, the bean blocks in soybean milk are in a suspension state under heat convection and cannot sink to the bottom of a cup, therefore, loads generated when a motor sucks materials up are reduced, the power of the motor is reduced, the working performance of the motor is improved, and the service life of the motor is ensured; noise of bean milk beating is reduced to the maximum degree,and the user experience is improved.
Owner:JOYOUNG CO LTD

Rolling disc self-discharging type scrap iron vehicle

InactiveCN102464179AEase the turning speedAvoid violent collisionsRefuse vehiclesBuffer stripEngineering
The invention provides a rolling disc self-discharging type scrap iron vehicle, relates to the technical field of scrap iron vehicles, and aims to prolong the service life. The rolling disc self-discharging type scrap iron vehicle comprises a chassis with wheels and a moveable box body, wherein a left linear buffer guide rail and a right liner buffer guide rail which extend forwards and backwards are fixedly arranged at the upper end of the chassis; a plurality of buffer holes are formed in each buffer guide rail along the axis of the buffer guide rail; a left buffer board and a right buffer board are fixedly arranged at the bottom of the box body; the bottom edge of each buffer board is an arc-shaped edge with the arc center facing the box body; an arc-shaped buffer strip is fixedly arranged on each buffer board along the bottom edge of the buffer board; the arc-shaped buffer strips on the bottom edges of the two buffer boards are propped against the rail surfaces of the two buffer guide rails; and a plurality of semi-spherical bumps are formed on the arc-shaped buffer strips on the bottom edges of the two buffer boards, and the quantity and the positions of the semi-spherical bumps correspond to those of the buffer holes in the two buffer guide rails one to one. The scrap iron vehicle can effectively avoid unexpected discharging and has long service life.
Owner:SHANGHAI POWERWAY LOGISTICS EQUIP

Storage cargo outlet method for storage rack and storage rack

InactiveCN102398756AIncrease the speed of warehouse deliverySimple structureStorage devicesEngineeringStructural engineering
The invention relates to a storage cargo outlet method for a storage rack, which is characterized in that a storage plate for storing cargos is inclined so that the surface of the storage plate becomes an inclined surface, the bottom of the inclined surface is provided with a position limiting element used for preventing the cargos from downwards sliding, the cargos are placed on the inclined storage plate, and the cargos are arranged at the inclined surface above the position limiting element one by one, when the cargo delivery is needed, the cargos to be outlet tightly leaning on the position limiting element are firstly lifted, in addition, the cargos are higher than the position limiting element, the cargos exceed the position limiting element under the gravity effect of the cargos above the inclined surface and slide out of the storage plate in inclined arrangement, and the subsequent cargos slide to the position limiting element and are blocked on the storage plate in inclined arrangement by the position limiting element. The storage rack comprises a support frame, wherein the storage plate is connected onto the support frame and is in inclined arrangement, the position limiting element is arranged on the storage plate and is positioned at the downstream part of the storage plate in the inclined arrangement, a through hole is arranged on the storage plate and is adjacent to the position limiting element, and a lifting mechanism is arranged under the through hole.
Owner:JIANGSU XUNJIE HARNESS TECH

High-voltage distribution cabinet with good shock absorption effect

The invention discloses a high-voltage distribution cabinet with good shock absorbing effect, comprises a cabinet body, a partition plate is fixedly connected to the inner wall of the cabinet body, aninstrument mounting plate is fixedly connected to the back surface of the cabinet body and is positioned below the partition plate, a protective shell is arranged below the cabinet body, a movable block is fixedly connected to the bottom of the cabinet body, and the bottom of the movable block penetrates the protective shell and extends to the inside thereof. protective shell is arrange, a movingblock, a limit chute block, a sliding plate, a Spring retaining plate, a telescopic bar, a movable plate, a transverse spring, a limit baffle, a first vertical spring, the top block, the support plate, the second vertical spring, the support block, the striking block, the striking groove, the slide rail, the sliding block and the elastic belt are arranged so that better shock absorption effect ofthe high-voltage distribution cabinet is acquired. the damage of the distribution cabinet itself and the internal apparatus of the distribution cabinet is avoided, the unnecessary economic damage isprevented, the occurrence of the safety accident is lowered, and great convenience to a user is brought.
Owner:YUEQING WENBAO ELECTRONICS ELECTRICAL

Mechanical-electrical-hydraulic integrated full-sealed wave energy power generating device

The invention discloses a mechanical-electrical-hydraulic integrated full-sealed wave energy power generating device. A first floating body and a second floating body are fixedly arranged at the two ends of a sealed flow tube, so that the first floating body and the second floating body support the whole wave energy power generating device to float on the sea; an energy extracting unit, a stream guiding mechanism and a fluid medium are arranged in the sealed flow tube, the device swings in a reciprocating manner under the action of waves, and the fluid medium flows in the sealed flow tube in a reciprocating manner through the energy extracting unit, so that the fluid medium absorbs wave energy and transfers the wave energy to the energy extracting unit for generating power; and an electric generator in the energy extracting unit rotates in one direction all the time by means of the flow guiding mechanism to complete the wave energy power generating process. According to the mechanical-electrical-hydraulic integrated full-sealed wave energy power generating device, fluid, machine and electric power integrated design is adopted, the interior is completely isolated from sea water, the structure is simple, few moving parts exist, and moveless sealing is achieved; by means of internal and external shape design, mass distribution design and culvert tube flow channel design, reliable, efficient and stable wave power generation can be achieved.
Owner:ZHEJIANG UNIV

Buffering hydraulic oil cylinder

The invention discloses a buffer hydraulic oil cylinder. The hydraulic oil cylinder comprises a cylinder body, a piston is connected to the inner wall of the cylinder body in a sealed and sliding manner, a pull rod penetrating through the cylinder body is fixed to the side wall of the piston, a contraction pipe and an extension pipe are inserted into the side wall of the cylinder body in a penetrating manner, and a buffer box is fixed to the outer wall of the cylinder body. A push plate is connected to the inner wall of the buffer box in a sealed and sliding manner, a telescopic rod is fixed to the side wall of the push plate, and a magnetic block is fixed to the side wall of the piston. The buffer hydraulic oil cylinder has the advantages that magnetorheological fluid is arranged in the buffer box, the magnetic block is arranged on the piston, and when the piston gets close to the buffer box at a high speed, magnetic force acts on the magnetorheological fluid, so that the fluidity ofthe magnetorheological fluid is reduced, the movement of the push plate is limited, the movement of the piston is limited, and furthermore, the piston does not violently collide with the inner wall ofthe cylinder body, a buffering effect is achieved on movement of the piston, and the service life of the cylinder body and the service life of the piston are prolonged.
Owner:常德市富斯特液压油缸有限公司

Transport vehicle lifting platform

The invention relates to a transport vehicle lifting platform. The transport vehicle lifting platform comprises a base. A lifting table is arranged between two first supporting columns on the outer sides. A clamping rail plate is arranged between the lifting table and the first supporting columns and wraps and buckles the first supporting columns. A guard bar is arranged on the upper side of the lifting table. Buffering blocks are evenly arranged on the lower side of the lifting table. Movable pulleys are arranged on the left side and the right side of the lifting table. The movable pulleys are connected with conveying belts in a winding manner. Drive motors are arranged on cross supports at the top ends. The right sides of the drive motors are connected with transmission shafts. Lifting devices are arranged on the right sides of the transmission shafts and arranged on fixing frames. The lower ends of the lifting devices are connected with the conveying belts. A fixing plate is arranged on the upper side of the part between each first supporting column and a corresponding second supporting column and provided with a fixed pulley, the conveying belts pass through the fixed pulleys in a winding manner, and limiting devices are arranged on the upper sides of the first supporting columns and the second supporting columns. In a word, the transport vehicle lifting platform has the beneficial effects of being wide in application range, convenient and fast to use, high in safety and rapid in lifting.
Owner:徐玉中

Anti-shake travelling mechanism for monorail conveyor

The invention discloses an anti-shake travelling mechanism for a monorail conveyor. The anti-shake travelling mechanism is characterized by comprising a first load-bearing wheel and a second load-bearing wheel which are arranged above a monorail, a first anti-roll wheel and a second anti-roll wheel which are arranged below the monorail, a fixation frame, a first rotating arm used for mounting thefirst anti-roll wheel, a second rotating arm used for mounting a second anti-roll wheel and an elastic buffering mechanism arranged between the first rotating arm and the second rotating arm, whereinthe upper ends of the first rotating arm and the second rotating arm are connected with the fixation frame by virtue of hinges; and the elastic buffering mechanism comprises a locking rod, a locking block arranged at one end of the locking rod and a buffer spring arranged at the other end of the locking rod, wherein one end of the buffer spring props against one end of the locking rod, the other end props against the first rotating arm, and elastic force of the buffer spring enables the first anti-roll wheel and the second anti-roll wheel to be fit on the monorail. The travelling mechanism disclosed by the invention can overcome violent shake of the monorail conveyor, so that a fruit conveying process of the whole monorail conveying mechanism is smoother and safer.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Spoke air hole machining die

The invention belongs to the technical field of punching machining and particularly discloses a spoke air hole machining die. The spoke air hole machining die comprises an upper die and a lower die. The upper die comprises an upper die plate, a transmission rod and a punch. Pawls are hinged to the transmission rod. The lower die comprises a lower die plate, a rack, a rotating shaft and a punching block. The rotating shaft is rotationally connected to the rack, and the rotating shaft is in interference fit with the rack. A positioning plate and a ratchet wheel are fixed to the rotating shaft. A through hole matched with a spoke bolt hole is formed in the positioning plate. A cavity and a sliding groove communicating with the cavity are formed in the upper portion of the punching block. A magnet protruding block is connected to the sliding groove in a sliding manner, a punching hole is formed in the magnet protruding block, and a coil located below the magnet protruding block is arranged in the punching block. A controller and a speed sensor are installed on the rack, and the speed sensor and the coil are electrically connected with the controller. The spoke air hole machining die is adopted for machining a spoke air hole, after hole punching is completed, a spoke can be driven to rotate, punching continuity is ensured, and in addition, friction between the spoke and the magnet protruding block in the spoke rotating process can be avoided.
Owner:重庆鼎汉巅宏汽车零部件有限公司

Simple conveying mechanism for silencing barrel

The invention discloses a simple conveying mechanism for a silencing barrel. The simple conveying mechanism comprises a support frame, a conveying plate, a baffle plate, a plurality of damping foot-pads and rubber cushions, wherein the conveying plate is connected with the baffle plate; the conveying plate and the baffle plate are both arranged on the support frame; the damping foot-pads are uniformly distributed at the bottom of the support frame; and the rubber cushions are arranged at the bottom of the conveying plate and on the baffle plate. The conveying plate arranged on the support frame forms a certain angle with a horizontal direction, and a silencing barrel which is subjected to a curling process is placed at the top end of the conveying plate, slides to the bottom end of the conveying plate under the action of dead-weight, and is collected by a worker being responsible for a detection procedure. On the conveying plate, the silencing barrel slides downwards at a higher speed, and is blocked by the baffle plate after sliding to the bottom end, greater mutual acting force is generated between a silencer and the baffle plate, and the rubber cushions arranged at the baffle plate and the bottom of the conveying plate can play roles in buffering, so that the impact of the silencing barrel on the baffle plate is reduced, and the service life of equipment is prolonged.
Owner:CHENGDU LINGCHUAN SPECIAL IND

Simple conveying mechanism

The invention discloses a simple conveying mechanism. The simple conveying mechanism comprises a supporting frame, a conveying board, a baffle and a plurality of universal wheels, wherein the conveying board is connected with the baffle, both the conveying board and the baffle are arranged on the supporting frame, the universal wheels are evenly distributed on the bottom of the supporting frame, and a spring is arranged at the position where the conveying board is connected with the supporting frame. The simple conveying mechanism further comprises a rubber pad which is arranged on the bottom of the conveying board and on the baffle. A certain angle is formed between the conveying board arranged on the supporting frame and the horizontal direction. A noise reduction barrel is placed at the top end of the conveying board after hemming is carried out on the noise reduction barrel, the noise reduction barrel slides downwards to the bottom end of the conveying board under the self-gravity of the noise reduction barrel, and finally the noise reduction barrel is collected by a worker responsible for detection. According to the simple conveying mechanism, when the noise reduction barrel collides with the baffle, acting force applied to the baffle can be further buffered by the universal wheels arranged on the bottom of the supporting frame and the spring arranged between the supporting frame and the conveying board, the supporting frame is prevented from swinging seriously, and then the internal structure of the noise reduction barrel is prevented from being damaged to a certain degree.
Owner:CHENGDU LINGCHUAN SPECIAL IND
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