199results about How to "Steady decline" patented technology

The invention discloses a pipe continuous supplying mechanism and belongs to the field of workpiece machining mechanical equipment. A pipe guide mechanism and a pipe feeding mechanism of the pipe continuous supplying mechanism are sequentially arranged on one side of a fixed support in an inclination direction from top to bottom. A pipe distributing charge pipe is vertically arranged in the position, on the lower side of a pipe guide charge pipe, of the fixed support. A pipe bearing baffle is arranged on the lower side of the pipe guide charge pipe. A baffle tension spring is arranged betweena spring connecting rod and a pushing plate pressing rod in an obliquely connected mode. A pressing rod roller is horizontally and rotationally connected to one side of a lifting pressing block. A pipe feeding motor and a pipe feeding rotary shaft are connected through a pipe supplying belt in a transmission mode. A plurality of pipe feeding bearing plates are fixedly arranged on the outer side ofa pipe feeding guide wheel in the radial direction of the pipe feeding guide wheel. A supplying charge pipe is obliquely arranged in the position, on the lower side of the pipe feeding guide wheel, of the fixed support. A pipe collecting charge pipe is obliquely arranged in the position, on the lower side of the supplying charge pipe, of the fixed support. The pipe continuous supplying mechanismis reasonable in structural design, can achieve continuous and stable conveying and supplying of pipes, can discharge pipes in a branched mode according to the requirements of next pipe machining loads, and meets the requirements of production and using.

The invention relates to an aerial working device. A mast climbing type aerial working platform comprises a vertical tower assembly and a platform assembly, the vertical tower assembly is composed of a top cap and a plurality of standard knots of frame structures, the standard knots are in fixed connection, the standard knots are fixedly and detachably connected with a connection frame and the top cap, sides of the connection frame and the standard knot are respectively provided with teeth bars, the teeth bars are connected with each other to compose a tooth-shaped rail; a mounting rack is mounted on the platform assembly, the vertical tower is arranged through the mounting rack, rolling wheels are arranged on the mounting rack, the rolling wheels and the standard knots are pasted rollingly, a fixed plate is fixedly arranged on the mounting rack, a motor and an anti-drop gear are respectively engaged with the teeth bars. The invention extends the range of the platform surface, the standard knots can be added unlimitedly, the lifting height of the platform surface can be extended, the invention has characteristics of large working range, high lifting height, safety and reliability.

The invention discloses a carbon fiber gas cylinder detection line and a carbon fiber gas cylinder detection method. The detection line includes, in a front-to-back arrangement manner, a water pressure test apparatus, a water pressure auxiliary test apparatus and an air tightness test apparatus. The water pressure test apparatus includes a test rack, a test operation bench, a pressurizing apparatus, a test case installed on the test rack, and test trolleys for stably placing a plurality of to-be-tested gas cylinders. The water pressure auxiliary test apparatus includes a gas cylinder fixture, a transporting trolley, and a gas cylinder water-pouring-away and drying device. The air tightness test apparatus includes an air tightness detection apparatus and a second air supply apparatus for supplying air to the to-be-tested gas cylinders. The air tightness test apparatus is in a cabinet structure or a ground trough structure. The detection method includes the steps of 1) water pressure test; 2) water pouring-away and drying treatment; and 3) air tightness test. The detection line is reasonable in design and simple in operations, is good in use effects, and can easily and quickly complete water pressure test and air tightness test for a plurality of carbon fiber gas cylinders.

The invention discloses a cart type semiautomatic pineapple picking machine, which comprises a cart, a picking device, a conveying device and a storage device. The picking device comprises a picking support, a sine mechanism, a picking clamping plate, a picking push plate and a first direct-current motor. A reciprocating rod of the sine mechanism is mounted on the picking support through a slidingpair, the picking support is mounted on a frame of the cart through a lifting device, the sine mechanism is driven by the first direct-current motor, and the picking push plate is mounted on the reciprocating rod. The conveying device is a belt conveying mechanism, two ends of the belt conveying mechanism are connected with a slide groove and a storage device respectively, and the height of the V-shaped clamping plate is adjusted through the lifting device to adapt to heights of stalks of to-be-picked pineapples; the picking push plate is driven to move inwards through the sine mechanism to push the pineapples to the bottom of the belt conveying mechanism. The cart type semiautomatic pineapple picking machine is high in practicality, reasonable in structural design and stable in operation, and pineapple picking efficiency is remarkably improved.

The invention discloses an automatic pipe fitting path distribution conveying mechanism, and belongs to the field of workpiece machining conveying mechanical equipment. A guide pipe mechanism and a path distribution mechanism of the automatic pipe fitting path distribution conveying mechanism are sequentially arranged on one side of a fixed bracket from top to bottom; a distribution pipe materialpipe is obliquely arranged in the position, on the lower side of a guide pipe material pipe, of the fixed bracket; the lower side of the guide pipe material pipe is provided with a bearing pipe baffle; the upper end of a material supplying pipe communicates with the lower end of the guide pipe material pipe; a front path distribution material pipe is vertically arranged in the middle of the lowerside of the material supplying pipe, and a rear path distribution material pipe is vertically arranged at the tail end of the lower side of the material supplying pipe; a material separation mechanismis horizontally arranged on the upper side of the material supplying pipe; and the upper end of the front path distribution material pipe is provided with a rotary baffle, and one side of the lower end of a hook rotary plate located on one side of a reciprocating rotary plate is provided with a hook mechanism. The automatic pipe fitting path distribution conveying mechanism is reasonable in structural design, can stably and efficiently distribute pipe fittings into paths for conveying and can discharge the pipe fittings according to the rear path pipe fitting machining load requirement, the automation degree of pipe fitting path distribution conveying is increased, and the production using requirements are met.

The invention discloses an automatic detection line and detection method of a carbon fiber gas bottle. The detection line comprises a water pressure testing device, an auxiliary water pressure testing device, a bottle valve loading and unloading machine and an air tightness experiment device, which are arranged from front to back, wherein the water pressure testing device comprises a testing rack, a testing operation platform, a pressurizing device, a testing box and a testing trolley; the auxiliary water pressure testing device comprises a gas bottle clamp, a conveying trolley, and gas bottle water pouring and drying treatment equipment; the bottle valve loading and unloading machine comprises a bottle valve loading and unloading rack, a control cabinet, a gas bottle fixing mechanism and a bottle valve screwing mechanism; the air tightness experiment device comprises an air tightness testing device and a second gas supplying device for supplying gas to a plurality of gas bottles to be tested. The detection method comprises the following steps: 1, testing water pressure; 2, carrying out water pouring and drying treatment; 3, assembling a bottle valve; 4, testing air tightness. The automatic detection line provided by the invention is reasonable in design, simple to use and operate and good in use effect, and can be used for simply, conveniently and rapidly finishing water pressure testing and air tightness testing processes of the plurality of carbon fiber gas bottles.

The invention discloses a portable high-rise self rescue apparatus which mainly consists of a shell as well as a cable wire, a wire wheel that is provided with an internal wheel, a gear increaser, a centrifugal wheel, a lever type centrifugal block and a centrifugal sleeve that are assembled in the shell; the cable wire is wound on the wire wheel, one end of the cable wire extends out of the shell and is fixed on a steel hook, the internal wheel of the wire wheel transmits the gear increaser, a final stage gear of the gear increaser and the centrifugal wheel are fixed on a centrifugal wheel axle, the lever type centrifugal block is fixed on the centrifugal wheel by a shaft pin, and the centrifugal sleeve which generates centrifugal acting force and reaction force together with the lever type centrifugal block is fixed on the shell. The structure is convenient and safe for use, and can automatically control the descent speed.

The invention relates to the technical field of solar energy automatic line logistics conveying, in particular to a lifter for different-height conveying of racks. The lifter comprises a frame, an electric cylinder vertically fixed in the frame and a conveying frame mounted on the electric cylinder. The conveying frame comprises a frame body and a conveying unit. The frame body comprises a top plate, a bottom plate, a vertical plate and standing columns, wherein the top plate and the bottom plate are connected through the vertical plate and the standing columns. The conveying unit is mounted at the bottom of the frame body and used for conveying the racks into the conveying frame and conveying the racks out of the conveying frame. The lifter has the advantages that the racks are conveyed to the conveying frame through the conveying unit, then the conveying frame is driven by the electric cylinder to move up and down in a stable way, when the conveying frame is conveyed to the target position, the conveying frame is conveyed by the conveying unit, stable rack conveying in, moving up and down, and conveying out are achieved, manual rack conveying is avoided, and work efficiency is increased.

The invention relates to a full-automatic plate shearing machine hydraulic system on the basis of PLC (Programmable Logic Controller) control and belongs to the field of plate shearing machine hydraulic systems. The full-automatic plate shearing machine hydraulic system mainly comprises the same first and second shearing cylinders, two same pressing cylinders, a hydraulic control system of the shearing cylinders and the pressing cylinders, and a PLC control system; the hydraulic control system of the shearing cylinders and the pressing cylinders comprises an oil tank, a hydraulic pump, a motor, a one-way valve, a first pressure gauge, a second pressure gauge, a pilot overflow valve, a two-position two-way electromagnetic valve, an energy accumulator, a pressure reducing valve, a travel switch, an overflow valve, a two-position four-way electromagnetic valve and a double hydraulic control one-way valve. According to the invention, the PLC control system is adopted to implement accurate control of the system; the full-automatic plate shearing machine hydraulic system is provided with the non-contact travel switch accurately controlled by the PLC control system, so that a sheet metal is more accurately positioned and quality of the sheared sheet metal is higher.

The invention discloses continuous press fitting equipment for tubular workpieces, and belongs to the field of workpiece production and processing mechanical equipment. A workpiece conveying belt is arranged on the lower side of a workpiece conveying support, the two sides of the workpiece conveying belt are wound and connected with workpiece conveying rotating rollers on the two sides of the workpiece conveying support respectively, and a workpiece conveying motor is in transmission connection with the workpiece conveying rotating rollers through a workpiece conveying chain. A workpiece guidemechanism, a workpiece transfer mechanism and a workpiece turnover mechanism are sequentially arranged on the workpiece conveying support on the upper side of the workpiece conveying belt in the conveying direction of the workpiece conveying belt. A workpiece push mechanism and a workpiece press fitting mechanism are arranged on the workpiece conveying support on the two sides of the ends in theconveying direction of the workpiece conveying belt respectively. The continuous press fitting equipment is reasonable in structural design, can guide and transfer the tubular workpieces one by one conveniently and smoothly, can realize successive and continuous press fitting processing of multiple assemblies in the transfer process of the tubular workpieces, improves the automation degree of workpiece processing and meets the needs of production and use.

The invention provides an electroplated crown block and a lifting device thereof. The lifting device of the electroplated crown block comprises a bracket, a lifting frame, a guide mechanism and a lifting driving mechanism, wherein the lifting frame is positioned on one side of the bracket and can lift up and down along the bracket; the guide mechanism is arranged between the bracket and the lifting frame and connected with the bracket and the lifting frame, so that the lifting frame can be guided during lifting along the bracket; the lifting driving mechanism is connected with the lifting frame and can drive the lifting frame to lift up and down along the bracket. According to the lifting device of the electroplated crown block, the vertical status of the lifting frame can be kept through the guide mechanism arranged on the lifting device, so as to guarantee the stable lifting up and down of the lifting frame, equipment fault due to staggering of a hook on the lifting frame and a clamp slot in a liquid medicine tank can be avoided, the tipping possibility of the lifting device can be eliminated, in addition, the occurrence of an accident that a circuit board is damaged due to tipping of the lifting device can also be avoided.

The invention relates to a super high hydraulic lift group valve for a double-acting hydraulic cylinder. The lift group valve is characterized in that: the group valve consists of a pilot operated check valve and a one-way throttle valve, wherein the pilot operated check valve is arranged in a valve body; one end of the pilot operated check valve is connected with a rodless cavity oil port of a receiving cylinder, the other end is connected with one end of the one-way throttle valve, and the lower end is respectively connected with an oil inlet of a first valve and an oil inlet of a second valve; the other end of the one-way throttle valve is connected with the rodless cavity oil port of the receiving cylinder. The lift group valve has the advantages that the impact caused by valve closing due to pressure loss of a hydraulic control port of the pilot operated check valve can be effectively avoided .

The invention discloses an elasticity-adjustable nonlinear pressure spring unit comprising a pressure spring and a telescopic body which are respectively arranged on the upper and lower portions of the nonlinear pressure spring unit. A connector is fixedly arranged at the upper end of the pressure spring, the telescopic body is composed of a base and a movable support arranged on the base, the lower portion of the spring is fixed on the movable support, a pull rope is fixed at the center of the connector, and penetrates through the center of the pressure spring along a pressure spring axis and continuously penetrates through the center of the movable support along the movable support to be fixedly connected with the base; pull rope tension is adopted to pre-compress the pressure spring without changing length of the pull rope, and under the action of external force, relationship of deformation and the external force of the pressure spring is nonlinear. The movable support moves up and down to drive the base of the pressure spring to compress or release the spring to change elastic force of the pressure spring. The movable support moves up and down stably and is operated conveniently, and the elasticity-adjustable nonlinear pressure spring unit can meet requirements for elastic mechanism application of multi-type products or equipment in different fields.

The invention relates to the field of workpiece descending conveying, in particular to a Z-shaped descending conveying device for sliding by dint of self gravity and provided with an anti-falling seesaw. A Z-shaped right lower slide way is formed in the lower side of the anti-falling seesaw; the lower side of the Z-shaped right lower slide way is connected with a Z-shaped left lower slide way through a reverse anti-falling seesaw; the anti-falling seesaw and the reverse anti-falling seesaw are the same in structure and opposite in mounting direction; the anti-falling seesaw includes a slide plate, a counterweight, a rotating shaft mounting base, a rotating shaft and a stopper; the rotating shaft mounting base is arranged in middle of the slide plate, and sleeves the rotating shaft; the counterweight is mounted on the counterweight side of the slide plate; the stopper is mounted on the workpiece receiving side of the slide plate; and the anti-falling seesaw or the reverse anti-falling seesaw is mounted between two seesaw connecting plates through the rotating shaft. The device realizes multistage deceleration buffer in the workpiece gliding process, prevents the fall overturning phenomenon and the high-speed diving phenomenon when sliding to the lowest place, can effectively control the gliding speed in the whole process, is stable in gliding, and is excellent in stability.

The present invention discloses a lifting device of a blood collection chair, comprising a chassis arranged at the ground, a top rack which is connected with the seat of the blood collection chair and a lifting mechanism which drives the top rack to lift towards the chassis. The lifting mechanism comprises a low voltage electric handspike and an air spring. The axial lead of the low voltage electric handspike and the axial lead of the air spring are parallelly arranged at the level direction. The low voltage electric handspike has the characteristics of safe use, low noise, good using environment and little interference to the outside. The air spring is always under the compressed state. When the low voltage electric handspike is extended outwards, the air spring takes power-assisted effect towards the low voltage electric handspike; when the low voltage electric handspike retracts inwards, the air spring can eliminate the gap among each component inside the low voltage electric handspike, which ensures that the descending process of the top rack is more stable.

The invention discloses a synchronous lifting control system for hydraulic cylinders. The synchronous lifting control system comprises a hydraulic station, a double-pole electromagnetic overflow valve, a valve installation support, two branch oil ways and an electrical system. Speed regulation valves, three-position four-way electromagnetic valves and the hydraulic cylinders are sequentially arranged on the two branch oil ways from front to back. Each speed regulation valve is a two-way flow control valve formed by connecting a throttling valve and a uniform-pressure drop valve in series. A real-time balance monitoring device is added to the electrical system, and therefore once unbalance happens, corresponding actions are executed. The hydraulic cylinders responsible for lifting and putting down a trash compressor box body can be independently controlled, the cylinders do not interfere with each other during work, and accuracy is improved. In addition, flow flowing through the speed regulation valves is not influenced by changes of loads, the movement speeds of the hydraulic cylinders are not changed when the loads are changed, and it is automatically ensured that the trash compressor box body is stably lifted and put down; meanwhile, the defect that the human cost is increased when a box body severely inclines and manual regulation is needed is overcome, and safety is improved.

A winch type pipe sheet hanging machine suitable for a large shield tunneling machine comprises a pipe sheet hoisting device arranged between two parallel running tracks, and a power trolley used for driving the pipe sheet hoisting device to move along the running tracks. The pipe sheet hoisting device comprises two carrying beams located below the running tracks, four first driven trolleys arranged between the two carrying beams and the two running tracks, and two winch mechanisms arranged between the two carrying beams. The two winch mechanisms are rotationally and symmetrically arranged in a 180-degree manner. The two winch mechanisms are hung on the running tracks through the four first driven trolleys, the clearance size of the trolleys is greatly reduced, the two winch mechanisms can achieve the independent ascending action and the simultaneous ascending action, ascending and descending are stable, the impact is small, the running speed is high, the structure protection level is high, the winch type pipe sheet hanging machine can well adapt to the severe tunnel construction environment, the daily 10-ring tunnel construction progress requirement is met, and accordingly the production efficiency is greatly improved.

The invention discloses a suspension type gravity energy storage system and method. The system comprises an electric device, a power generation device, a transmission device, a gravity block, a gravity pool, a compressed air source, an air storage device and an air compression device. The gravity block is connected with the electric device and the power generation device through the transmission device, the lower side of the gravity block is located in the gravity pool, the buffer device and the pressure relief device are arranged at the bottom of the gravity pool, the gravity pool is communicated with the compressed air source, the air storage device and the air compression device, and the air storage device is communicated with the compressed air source. The system and the method have the characteristics of high safety, stable landing and no energy consumption.

The variable load adjustable lifting storage cabinet includes storing cabinet, storing shelf, parallel right and left linking rods and right and left lifting controller. Inside the right and left lifting controller casing, there are main shaft connected to the driving link rod, linked moving body fixed to the driving link rod, energy accumulator hinged to the casing, and damping buffer with one end hinged to the pin shaft of the linked moving body. The energy accumulator has its end hinged to the casing board connected to base spring via drawing rope; the upper end of the drawing rope has handle controlled telescopic forked pin, and the energy accumulator has rigidity greater than that of the base spring. The present invention has the features of compact structure, easy manufacture, low cost, easy operation, etc.

The invention relates to the technical field of elastic devices, in particular to an elastic body with adjustable hardness and height and an application thereof. The elastic body comprises an upper elastic body and a lower telescopic body, wherein the upper elastic body comprises at least one elastic unit; the elastic units are longitudinally and transversely arranged; each elastic unit sleeves a bag type structure, or a traction mechanism is directly arranged at the upper end of each elastic unit; the telescopic body consists of a base and a movable support, and the movable support is arranged on the base; the lower end of each elastic unit is fixedly arranged on the movable support; a pull rope is fixedly arranged on each bag type structure or each traction structure; multiple elastic units share one pull rope, or one elastic unit uses multiple pull ropes or one elastic unit uses one pull rope; each pull rope penetrates through the corresponding elastic unit along the axis of the corresponding elastic unit or penetrates through a gap between the elastic units, or multiple pull ropes penetrate through the interior or the surrounding of the elastic body, continue to penetrate through the movable support and are connected with the base; the movable support is moved up and down to drive the bottom part of each elastic unit to compress or loosen the corresponding elastic unit, so as to adjust the hardness and / or the height of the elastic body.

The invention relates to a particle sliding channel which comprises a bottom plate and lateral walls arranged on both sides of the bottom plate; a plurality of parallel V-shaped grooves are arranged on the surface of the bottom plate; according to the properties of different materials and the material processing requirements after the materials slide down from the channel, the V-shaped grooves can be set to be in different widths and different shapes; the V-shaped grooves are distributed with equal intervals. The particle sliding channel has the advantages of simple structure, reducing the jumpiness of the particles in sliding process, being able to adopt the aluminum alloy section material for improving the intensity, facilitating the machining, manufacturing and the application.

The invention belongs to the technical field of road tunnel support, and discloses a pressure tube friction type extendable anchor rod which comprises an anchor rod and a sleeve, wherein the anchor rod is sleeved with the sleeve; damping tubes are disposed between the side wall of the sleeve and the side wall of the anchor rod; a damping block is disposed at the upper end of the anchor rod; a straight section is arranged at the upper part of the damping block; a tapered section is disposed at the lower part of the damping block; the cross-sectional area of the upper part of the tapered sectionis greater than the cross-sectional area of the lower part of the tapered section; and the damping tubes are deformable in the radial direction. The extendable anchor rod has the advantages that by arranging the damping block and the damping tubes, the damping block continuously squeezes the damping tubes on both sides when entering the sleeve, so that a certain frictional force is generated between the damping block and the damping tubes, and when the surrounding rock deformation in a tunnel occurs, the constant resistance of large deformation is continuously provided by the frictional forceso as to delay the expansion of a plastic zone to accommodate the large deformation.

The invention provides a visualized experiment device for studying rock fissure-induced grouting parameters and method. The device comprises a reaction force frame; a force balancing plate is used forsupporting and placing a standard rock sample for an experiment; tempered glass is supported on the top of the standard rock sample; the tempered glass is fixed on the bottom end surface of a top plate; two symmetrical side walls of the standard rock sample are provided with special connecting grooves; the special connecting groove at one side is fixed with multiple pipe joints; the pipe joint isconnected with a mortar grouting machine through a grouting pipe; the special connecting groove at the other side is connected with an inducing pipe through the pipe joint; and the inducing pipe is connected with a suction device. Through adjusting the experiment conditions such as the loading force of a hydraulic jack, the positions of a grouting point and a suction point, the power of the grouting device and the suction device and the heights of four electric lifting rods, a series of experiments on studying rock fissure-induced grouting parameters can be completed.

The invention discloses a carbon fiber cylinder detection system and method. The detection system comprises a hydraulic pressure tester, a hydraulic pressure assisted tester and a tightness tester; the hydraulic pressure tester comprises a test rack, a test operating table, a pressurizing device, a test case mounted on the test rack and a test cart for multiple cylinders to be tested to be placed steadily on; the hydraulic pressure assisted tester comprises a cylinder clamp, a conveying cart and a cylinder emptying and drying apparatus; the tightness tester comprises a tightness test unit and a second gas supply device supplying gas to multiple cylinders to be tested, and the tightness test unit is a cabinet type tightness test unit or a trough type tightness test unit; the method comprises the steps: first, hydraulic pressure testing; second, emptying and drying treatment; third, tightness testing. This system is reasonable in design and simple to operate and effective to use and enables the hydraulic pressure test and tightness test process of multiple carbon fiber cylinders to be finished simply and quickly.

The invention discloses a soil stratified sampling preservation device for geological prospecting and a use method, and relates to the technical field of the soil sampling equipment. The device is specifically composed of a soil exploration layer, an upper flat plate frame and a hollow transition block; a disk bracket is arranged on an upper surface of the soil exploration layer, a big circular groove is arranged in the middle of the upper flat plate frame, a hydraulic cylinder penetrates the internal of the big circular groove, an upper end of a hollow cylinder rod is arranged in the hollow transition block in a sleeve manner; a locating slot is formed on the surface of the hollow cylinder rod, fixed bolts are screwed at a left side and a right side of a threaded connecting rod, and a sliding rail is formed on an inner wall of the hollow cylinder rod. The simple assembling and disassembling can be performed between a support pillar and the upper flat plate frame, thereby facilitatingthe knocked-down shipping work of the device; secondly, three collection boxes are arranged on the device, the soil at different layers in the hollow cylinder rod corresponding falls in the collectionboxes, thereby performing stratified sampling on the soil.

The invention discloses a cylindrical silo top truss platform descending system and a control method of the cylindrical silo top truss platform descending system, wherein the descending system comprises electric chain hoists and a controller for controlling the synchronous linkage or independent transferring of each electric chain hoist, wherein the tail end of a chain of each electric chain hoist passes through a cylindrical silo top to be connected with the peripheral edge of a truss platform; a space measuring device is arranged in the top center of the truss platform; and a laser emitter is arranged in the bottom center of the cylindrical silo top. The synchronous linkage or independent transferring of each electric chain hoist is realized through the controller; meanwhile, relevant measuring parameters such as inclination directions, inclination angles and deviation distance in the truss platform descending process are monitored in real time through the space measuring device and the laser emitter which mutually correspond to each other; and the local fine adjustment can be carried out during the integral synchronous descending of the truss platform is ensured, so the safe, stable and fast descending of the truss platform can be realized, and the descending dismounting construction problem of the truss platform is thoroughly solved.

The invention discloses a high-altitude continuous throwing device, which is composed of a conveyor belt control unit, a material carrying table, a conveyor belt, a damper, an anchor counterweight and a coupling frame. The conveyor belt control unit includes a conveyor belt retractable device, a power control box, and a conveyor belt The linkage device, the length sensor, the tension detection sensor, the conveyor belt cutting device and the cabinet where the components are installed, the connecting frame connects the cabinet and the material delivery table, and the signal reception and control commands are integrated and issued by the "PC" control component. The conveyor belt embedded with horizontal racks starts from the conveyor belt take-up and release equipment, and after passing through the conveyor belt linkage device, the conveyor belt cutting device, and the guide turntable in the cross-material delivery table, under the action of the anchor counterweight, it is extended from high altitude to At the destination, the damper is hung on the conveyor belt and integrated with the material to be dropped, and pushed to make a displacement relative to the conveyor belt. The damper is equipped with a structure that balances the downward acceleration, so that the high-altitude drop is fast, efficient, accurate and non-destructive.

The invention discloses a paperboard conveying device with an overturning function. The paperboard conveying device comprises a tray, a supporting base, a conveying device and an overturning mechanism. The supporting base is provided with an elastic supporting device. The tray is arranged on the elastic supporting device. The overturning mechanism comprises a sliding supporting device and an overturning frame. The sliding supporting device comprises a sliding base arranged on the supporting base, a sliding rod arranged on the sliding base in a sliding manner, a support a arranged at the end portion of the sliding rod, a roll wheel arranged on the support a, and a push-pull rod, wherein one end of the push-pull rod is rotationally arranged on the support a, and the other end of the push-pull rod is rotationally arranged on the elastic supporting device. A spring a is further connected between a V-shaped overturning plate and a support b. The V-shaped overturning plate is provided with a material supporting base. The problems that in the prior art, a tray does not have a lifting function, the fall difference change is large when a paperboard falls down onto the tray, falling is not stable, and manpower is consumed for paperboard flattening are solved.

The invention discloses a method and a device for soft stop control for a pump loaded motor. A soft stop control scheme of active power closed-loop control can be designed by measuring the active power of the motor in real time, the constant power adjustment can be performed by adopting the adjustment for the active power, the predetermined active power produced by a soft stop control rule function is compared with the real-time active power to generate a power error signal, a phase-shifting angle of a main circuit is changed through the error signal so that the active power of the motor is changed according to the set soft stop control rule, and finally the motor is steadily stopped. The method and the device solve the problem that the pump loaded surge is easy to cause during pump loaded soft stop.