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47results about How to "Reduce gravity" patented technology

Curtain wall clamping rapid positioning assembly device and assembly method

The present invention discloses a curtain wall clamping quick positioning assembly device and assembly method, and relates to the technical field of curtain wall clamping. The curtain wall clamping quick positioning assembly device and assembly method include a curtain wall clamping mechanism, and the curtain wall clamping mechanism includes a fixing device, and the outer wall of the fixing device is fixedly connected with four connecting rods, and the ends of the four connecting rods are fixedly connected with fixing plates, and the outer wall of the fixing plate is fixedly connected with limit blocks, and the number of the fixing plates and limit blocks is four. The curtain wall clamping quick positioning assembly device and assembly method, through a spring arranged between the bolt and the fixing device, under the elastic lifting of the spring, the bolt and the fixing device threads are further fitted, and the friction between the threads is increased after fitting, thereby ensuring the fixation between the fixing device and the bolt, reducing the activity of the bolt, and the magnetic repulsion between the first magnetic block and the second magnetic block.
Owner:POWERCHINA CONSTR GRP

Self-adaptive synchronizing wheel assembly, printing trolley and industrial printer

The utility model provides a self-adaptive synchronizing wheel assembly, a printing dolly and an industrial printer, the self-adaptive synchronizing wheel assembly comprises a mounting frame, a synchronizing wheel pair and an elastic connecting assembly, one end of the elastic connecting assembly transversely passes through the synchronizing wheel pair and is connected with one side wall of the mounting frame, and the other end of the elastic connecting assembly is connected with the other side wall of the mounting frame. And the synchronous wheel pair is in sliding fit with the elastic connecting piece. According to the self-adaptive synchronous wheel assembly, the elastic band of the synchronous belt can be adjusted, meanwhile, the phenomenon that the synchronous belt shakes in the rotating and reversing process can be avoided, and the tightness can be adjusted in a self-adaptive mode.
Owner:NEW CENTURY DIGITAL PRINT TECH

A dust suppression device for port logistics

The present invention belongs to the technical field of air purification, and discloses a port logistics dust suppression device, including a mounting shell, a plurality of guide grooves are equidistantly arranged on the left side of the mounting shell, a first through groove is arranged on the upper part of the left side of the mounting shell, a first filter screen is fixedly sleeved in the middle of the first through groove, a second through groove is arranged on the upper part of the right side of the mounting shell, a second filter screen is fixedly sleeved in the middle of the second through groove, and a partition is fixedly installed in the middle of the inner cavity of the mounting shell. The seawater filter belt carrying salt in the middle is heated by a drying mechanism, so that the seawater absorbed by it evaporates, and the dust wrapped in sea salt is crystallized on the surface of the filter belt and adsorbed on the surface of the filter belt, thereby solving the problem that in the process of placing and stacking existing port cargo, the moisture, salt and dust carried in the sea breeze are mixed and adhered to the surface of the cargo, causing corrosion on the cargo surface and adhesion of dirt and dust, resulting in damage to the cargo.
Owner:PENGLAI JUTAL OFFSHORE ENG HEAVY IND CO LTD

Wall-mounted power adapter

The utility model relates to the technical field of power adapters, in particular to a wall-mounted power adapter, which comprises a plug fixedly connected to the outer side of an equipment main body, a signal line fixedly connected to the bottom of the equipment main body, an L-shaped plate fixedly connected to the top of the equipment main body, a sliding chute arranged inside the L-shaped plate, and a power line fixedly connected to the sliding chute. A sliding rod is slidably clamped in the sliding groove, a sliding block is fixedly connected to the top of the sliding rod, a reset spring is fixedly connected to the outer side of the sliding rod, a connecting rod is fixedly connected to the outer side of the sliding block, a suction cup is fixedly connected to the outer side of the connecting rod, and a connecting plate is fixedly connected to the top of the L-shaped plate; the power socket adapter is simple in structure and convenient to use, the situation that a plug makes contact with a jack of the power socket due to the gravity of the adapter can be prevented, and meanwhile the situation of electric shock is prevented when the power socket adapter is taken.
Owner:SHENZHEN WENTONG ELECTRONICS CO LTD

Quick mounting structure and method for steel structure corridor

The invention discloses a quick mounting structure and method for a steel structure corridor, and belongs to the technical field of corridor mounting. The device comprises a corridor and a building, a first corridor inserting plate and a second corridor inserting plate are welded to the top and the bottom of the two ends of the corridor correspondingly, two pieces of profile steel perpendicular to the corridor are fixed to a pouring beam of the building, and a first corridor connecting base and a second corridor connecting base are welded to the profile steel; the first corridor connecting base and the second corridor connecting base are both provided with inserting grooves matched with the first corridor inserting plate and the second corridor inserting plate. The connecting corridor is high in stability, the multiple connecting corridor connecting bases are fixedly connected with the pouring beam and the profile steel, so that the whole connecting corridor is connected with the connecting corridor connecting bases and then connected with a whole building, meanwhile, the supporting pieces and the hydraulic damping pieces are arranged on the pouring beam, the stability of the connecting corridor is further improved, and the connecting corridor is convenient to use. The middle of the corridor is connected with the building through a plurality of diagonal draw bars at the top of the corridor, the gravity of the corridor is reduced, and the safety performance is improved.
Owner:CHINA MCC17 GRP CO LTD

A filling machine hopper turnover mechanism that is easy to clean

ActiveCN224618035Ueasy to cleanreduce gravity
This utility model relates to the field of filling machine cleaning technology, specifically disclosing a hopper tilting mechanism for easy cleaning of a filling machine, including a working unit, a tilting unit, and an auxiliary unit. The working unit includes a worktable, a hopper, a tilting base, a fixing block, a hinge rod, and a connecting pipe. The tilting unit includes a drive box, a drive screw, a moving block, a telescopic rod one, and a telescopic rod two. When the hopper needs to be cleaned, the drive screw in the tilting unit, in conjunction with the telescopic rod one and the telescopic rod two, lifts the hopper. Simultaneously, the gas spring and triangular block in the auxiliary unit reduce the gravity of the hopper during lifting, thus facilitating cleaning. Furthermore, due to the tilting unit and the auxiliary unit, the hopper does not need to be disassembled for cleaning; it can be tilted 90 degrees directly, thereby improving cleaning efficiency.
Owner:SHIJIAZHUANG SHUANGHANG MASCH MFG CO LTD

An adaptive expansion mechanism and an adaptive expansion grinding mechanism thereof

The present invention discloses an adaptive expansion mechanism and an adaptive expansion polishing mechanism thereof. The adaptive expansion mechanism comprises a rotating wheel and an elastic leather cavity connected to the outer ring of the rotating wheel. A plurality of piston cavities are evenly arranged along the radial direction inside the rotating wheel. The outer diameter side opening of the piston cavity is connected to the elastic leather cavity, and the inner diameter side opening is connected to the atmosphere. A limiting structure is arranged at the inner diameter side opening. A centrifugally slidable piston is installed in the piston cavity. When the piston slides centrifugally, gas can be replenished into the elastic leather cavity and the elastic leather cavity can be expanded. The present invention arranges an elastic leather cavity on the outer ring of the rotating wheel, and arranges a piston along the radial direction inside the rotating wheel. The rotation of the rotating wheel itself enables the piston to move centrifugally and replenish gas into the elastic leather cavity, so that the size of the centrifugal force of the piston can be adjusted by adjusting the rotation speed, and then the expansion state of the elastic leather cavity can be adjusted, and finally an adaptive state is reached.
Owner:SHANDONG INST OF ADVANCED TECH CHINESE ACAD OF SCI CO LTD

Waste transport vehicle with crushing mechanism

The utility model discloses a waste transport vehicle with a crushing mechanism, which relates to the technical field of waste recovery and comprises a waste transport box, a waste pushing mechanism is mounted in the waste transport box, and a waste crushing mechanism is mounted above the waste transport box. The waste pushing mechanism comprises a hydraulic device installed in the waste conveying box, and the front portion of the hydraulic device is movably connected with a telescopic rod. According to the waste transport vehicle with the crushing mechanism, a separation net plate is mounted above the waste transport box, crushed waste is placed in the separation net plate through a groove in the separation net plate, a hydraulic device is fixedly mounted on one side of the inner wall of the waste transport box, and the hydraulic device is connected with an object pushing plate through a telescopic rod; and the pushing plate is pushed back and forth in the waste conveying box according to the principle that the hydraulic device pneumatically stretches out and draws back, waste accumulated in the waste conveying box is automatically discharged, and the workload of manual discharging is reduced.
Owner:安德明

A rope-driven robotic arm

InactiveCN115091448Breduce gravityEliminate the effects of self-weightProgramme-controlled manipulatorRobotic armClassical mechanics
The present invention relates to the field of mechanical arm technology, and more specifically, to a mechanical arm based on rope drive, the device comprises a moving component, a working component and a driving component, the driving component is movably connected to the moving component, the working component is connected to one side of the driving component, and the working component is arranged in parallel with the moving component; the working component comprises a plurality of articulated arms and driving ropes for driving the articulated arms, and the driving components are respectively connected to the articulated arms through the driving ropes; along the direction in which the driving ropes extend, the diameters of the plurality of articulated arms gradually decrease, wherein the articulated arm with the largest diameter is close to the driving component. Each articulated arm comprises a first connecting plate, a second connecting plate and a connecting column. The diameter of the first connecting plate is smaller than the diameter of the second connecting plate, and the first connecting plate and the second connecting plate are both circular, and the first connecting plate and the second connecting plate are arranged in parallel and coaxially to form a truncated cone. The present invention solves the problem that the end of the mechanical arm in the prior art is deformed due to the influence of its own weight, resulting in low motion accuracy.
Owner:HARBIN INST OF TECH +1

V-shaped track structure

The utility model relates to the technical field of sliding doors, in particular to a V-shaped track structure. Comprising guide rails and slide rails; two rows of pulleys are arranged on the guide rail and are arranged in an axial symmetry mode, and the included angle between each pulley and the vertical shaft is alpha; the bottom face of the sliding rail makes contact with the sliding wheels. According to the V-shaped rail structure, the V-shaped wheels are good in guiding performance, can decompose vertical force of the sash, reduce gravity, reduce push-pull force, are made of stainless steel and are corrosion-resistant, the V-shaped wheels can reduce accumulation of dust and rainwater and prevent the dust and the rainwater from entering the pulleys, the service life of the pulleys is prolonged, and the V-shaped wheels can automatically prevent the sash from swinging. Each pulley can be replaced independently, replacement is more convenient, and the pulleys are mute pulleys.
Owner:LIAONING HENGXIN ALUMINUM CO LTD

Adjustable anti-sedimentation well lid

The utility model relates to the field of urban buildings, in particular to an adjustable anti-sedimentation well lid which comprises a well lid body, a well lid base and a hinge assembly. The well lid is provided with an anti-sinking assembly, the anti-sinking assembly comprises an upper anti-sinking well ring, an anti-sinking beam and an anti-sinking ring, a triangular stable structure is formed, a spring lock is arranged on the triangular stable structure, the hinge assembly is located on the triangular stable structure and hinged to the well lid base and the well lid body, and the hinge assembly is hinged to the well lid body and the well lid base to fix and prevent deviation. The coverage precision is improved; the well lid and the well lid seat form an anti-sinking structure through the upper anti-sinking well ring and the lower anti-sinking well ring; through a spring lock on a triangular stabilizing structure, and a continuous limiting groove and a continuous limiting step of a lower anti-sinking well ring, when the well lid is pressed down by gravity, the spring lock is located in the continuous limiting groove to adjust the height of the well lid, limiting and fixing are conducted through the continuous limiting step, then the effect of adjusting the well lid is achieved, and the practicability of the well lid is improved.
Owner:JIQIAO FOUNDRY IND CO LTD

A backpack hydraulic shears

ActiveCN224735615Uprevent movementreduce gravity
This utility model discloses a backpack-type hydraulic shear, relating to the field of shearing technology, comprising: a fixed plate; a sliding plate; a backpack; two shoulder straps; a chest pocket; and a waist belt. The sliding plate has a sliding state and a locked state on the fixed plate. In the sliding state, it can buffer the weight of the backpack, reducing the pressure on the user. In the locked state, it can lock the position of the backpack, thereby facilitating demolition operations. By setting a suspension mechanism, the backpack has both sliding and locked states on the fixed plate. In the sliding state, the backpack can reciprocate up and down on the fixed plate, and the suspension mechanism buffers the weight of the backpack, thereby reducing the weight on the user and easing the burden. In the locked state, the position of the backpack can be locked to prevent the backpack from moving on the fixed plate, thereby preventing the pulling of the connecting pipe used to connect the demolition tools and affecting the demolition operation.
Owner:ZHEJIANG HUAYOU SECURITY TECH SERVICE CO LTD

A material supporting plate for sheet metal stamping

ActiveCN224525741Ureduce gravityavoid bulging
The utility model discloses a kind of material supporting plate for plate stamping, it is related to plate stamping technical field, including lower die holder, horizontal plate, elastic component and rolling assembly;Lower die holder front side is equipped with a horizontal plate, horizontal plate upper surface and lower die holder upper surface are on the same horizontal plane to form a larger contact area with plate material contact surface, a rolling assembly is connected with elastic component on horizontal plate, to form a plate material moving cavity with elastic function between rolling assembly and horizontal plate. Through this design, in the process of entering waste area, plate material waste continuously contacts with horizontal plate, the design of horizontal plate increases the contact area of lower die holder and plate material, and then reduces the gravity of plate material waste after entering waste area, in addition, plate material waste continuously receives the elastic pressing of pressure roller, so that plate surface is always flat during the movement of plate material waste along plate material waste area, and then avoid the bulging and warping problem during stamping process in plate material stamping area.
Owner:YANTAI YIHE AUTOMOBILE SCI & TECH CO LTD

High-reliability semiconductor device processing equipment

The utility model belongs to the technical field of semiconductors, and particularly relates to high-reliability semiconductor device processing equipment which comprises a machine body and a filtering device, a touch panel is fixedly connected to the side wall of the machine body, and a guide pipe is fixedly connected to the side wall of the machine body; a filter device is arranged on the surface of the guide pipe and comprises two lantern rings, a main cylinder and an auxiliary cylinder, the two lantern rings are located under the guide pipe and sleeve the surfaces of the main cylinder and the auxiliary cylinder respectively, a plurality of filter screens are inserted into the inner walls of the main cylinder and the auxiliary cylinder, and a supporting device is arranged on the side wall of the machine body and comprises a frame. The side wall of the frame is fixedly connected with the side wall of the machine body, a threaded rod is rotationally connected to the surface of the frame, and two opposite thread lines are arranged on the surface of the threaded rod; by arranging a lantern ring, a main cylinder, an auxiliary cylinder and a filter screen, water can be filtered, meanwhile, filter screens of different sizes can be installed to filter particulate matter of different sizes layer by layer, the situation that the particulate matter pollutes the water is reduced, and the reliability of equipment during machining is improved.
Owner:SUZHOU JUYANG PRECISION MASCH CO LTD

Polypropylene-based heat shrinkable film

ActiveEP4332153A4shrinkabilitysmall natural shrinkage
Provided herein is a heat-shrinkable polypropylene film having a specific gravity of 0.95 or less, and that exhibits excellent low-temperature shrinkability, small natural shrinkage, and excellent perforation opening property. A drawn film is provided that comprises a polypropylene resin composition, wherein the drawn film is a polypropylene heat-shrinkable film satisfying the specific features.
Owner:TOYOBO CO LTD

Ink container with floating sealing ring for pen

ActiveCN224184001Ureduce gravitySolve the problem of ink bleeding out quicklyInk reservoir pensMechanical engineeringPhysics
The utility model relates to the technical field of pen accessories, in particular to a pen ink container with a floating sealing ring, which comprises a shell, a threaded pipe is fixedly connected to the bottom of the shell, rubber pads are fixedly connected to two sides of the shell, and a sealing component is arranged in the shell. The sealing assembly comprises a sealing ring, a lifting block, a sliding piece and two grooves, the sealing ring is slidably connected to the inner wall of the shell, the lifting block is fixedly connected to the sealing ring, and the two grooves are formed in the lifting block; according to the pen, after the ink is pumped into the shell, when the pen is used, the ink located below the lifting block can seep outwards through the pen nib for writing, and due to the fact that the ink below the lifting block is little, the gravity in the ink is small, and the situation that the ink leaks too much can be avoided; and the ink above the lifting block can slowly drop down through the sponge ring and the bottom hole, so that the ink below the lifting block can be slowly supplemented.
Owner:QINGDAO KINGSURE STATIONERY CO LTD

Cable fixing frame for box-type transformer and box-type transformer assembly

The utility model relates to a cable fixing frame for a box-type transformer and a box-type transformer assembly.The cable fixing frame comprises a supporting structure and a fixing structure, one end of the supporting structure is used for being connected with a concrete base located below the box-type transformer, and the other end of the supporting structure is connected with the fixing structure; the fixing structure comprises a plurality of fixing pieces used for supporting cables, the fixing pieces are used for allowing the cables to penetrate through, and the cable fixing frame is suitable for being arranged below the box-type transformer in the gravity direction. The fixing part can fix the cable on the fixing structure, the fixing structure is connected with the supporting structure, and the supporting structure is connected with the concrete base located below the box-type transformer, so that the cable is connected with the concrete base, and the gravity action borne by the cable is borne by the cable fixing frame. The gravity action borne by the cable connector and the busbar of the box-type transformer is reduced, the cable connector is prevented from loosening or the busbar is prevented from deforming, and the failure rate of the box-type transformer is reduced.
Owner:SHENHUA (GUCHENG) NEW ENERGY CO LTD +1

A tank rotating device for tank cleanliness inspection

ActiveCN224641858Ureduce gravityExtended service life
The utility model relates to oil tank cleaning technical field, concretely relates to an oil tank rotating device for oil tank cleanliness inspection, including mounting bracket and rotating component, and rotating component includes arc plate, arc plate, support frame, drive motor, pivot, support plate, support frame and limiting component, place the oil tank in the support frame inside when using the device, position limitation is carried out through the limiting component, and drive motor drives pivot rotation, thereby makes arc plate rotate, drive motor carries out the reciprocating rotation of clockwise and counterclockwise 60 degrees, through the arc plate rotation in the rotation process makes the oil tank placed in the support frame shake, in the shaking process, arc plate rotates on arc plate, and support plate supports arc plate, thereby makes arc plate more one support structure, reduces the gravity that pivot needs to bear, thereby prolongs the service life of device.
Owner:DAJIANG YAPP AUTOMOTIVE SYST CO LTD

Duplex building elevator

The utility model provides a duplex building elevator, which relates to the field of household elevators, and comprises a guide rail unit, a lifting unit and a hoist rope, the guide rail unit is fixed on a middle building ring beam and / or a top building ring beam, the lifting unit is connected on the guide rail unit, the lifting unit is connected with a strong drive host, and the hoist rope is connected with the strong drive host. One end of the hoisting rope is wound on the strong-drive main engine, and the other end of the hoisting rope is connected to the top building ring beam and / or the middle building ring beam. The duplex building elevator is simple in structure and convenient to drive, the stress of the bottom floor slab is small, and potential safety hazards caused by overlarge stress of the bottom floor slab are avoided.
Owner:NINGBO HONGWEI ELEVATOR CO LTD

Labyrinth spherical double compensation structure expansion joint for air supply device

The utility model relates to a kind of labyrinth spherical double-compensation structure air supply device expansion joint, belong to gas conveying equipment technical field, including base, expansion joint and the flange of two quantity, the inside of the base is equipped with compensation component, the top of the base is equipped with support structure;The compensation component includes the support shaft fixedly connected in the inside of base, the top of the support shaft is fixedly connected with labyrinth sphere, the inside of the base is rotatably connected with outer spherical shell, the outer circumferential wall of the outer spherical shell is fixedly connected with gas pipe.This labyrinth spherical double-compensation structure air supply device expansion joint, through the installation ring of rotatable outside circumferential wall of base, support ring is supported by the effect of support seat and support rod, support ring will support two reinforcing rods, to effectively reduce the gravity that expansion joint bears, and support ring can rotate with expansion joint and rotate adjustment angle, without disassembling and installing to support structure, improve the convenience of use.
Owner:WUHAN ZONGNENG TECH CO LTD

Head-mounted facial action information capturing device

The utility model relates to head-mounted facial action information capturing equipment, which belongs to the technical field of computer vision devices, comprises an annular helmet capable of being worn on the head, and is characterized in that a first camera for acquiring facial action information is mounted at the upper end of the annular helmet, a connecting frame is mounted at the front part of the annular helmet, and a second camera is mounted at the lower end of the connecting frame. A second camera used for collecting face action information is installed on the connecting frame, a third camera used for collecting face action information is installed on the side face of the annular helmet, and a positioning device used for assisting weight reduction is installed at the lower end of the annular helmet; by the adoption of the structure, the annular helmet has the advantages that the gravity center of the annular helmet can be adjusted through the positioning device, the annular helmet is fixedly bound to the waist of a user through the binding band and the hook-and-loop fastener, the elastic rope can assist in supporting the weight of the annular helmet, the gravity center can be adjusted, and the front gravity of the head can be reduced; and the experience of players is improved.
Owner:ANQING VOCATIONAL & TECHN COLLEGE

Transmission shaft hole machining device

The utility model relates to the technical field of transmissions and discloses a transmission shaft hole machining device which comprises a workbench, a blanking groove is fixedly installed on the upper surface of the workbench, a first motor is installed at the bottom end of the workbench, a drawer is installed on the side edge of the blanking groove in a sliding mode, and a sleeve is fixedly installed on one side of the upper surface of the workbench. A rotating shaft is fixedly installed at the axis of the first motor, a balancing table is fixedly installed at the top end of the rotating shaft, a connecting plate is fixedly installed on the peripheral face of the rotating shaft, and a machining groove is fixedly formed in the end of the balancing table; a sliding rod is fixedly installed on the side, away from the telescopic rod, of the bottom end, a movable plate is fixedly installed at the bottom end of the telescopic rod, a second motor is fixedly installed at the top end of the other end of the movable plate, and a drilling rod is fixedly installed at the axis of the second motor. According to the device, the workpiece feeding and discharging time during operation is shortened, and the working efficiency is improved.
Owner:HEFEI KONGQUAN TECHNOLOGY CO LTD

Air-conditioning garment capable of being folded and worn

The utility model belongs to the technical field of air conditioning clothes, and particularly relates to a foldable air conditioning clothes which comprises a foldable waistcoat, two cooling fans are symmetrically arranged on the front side face of the foldable waistcoat, a pressure reduction net plate is arranged on the rear side face of the foldable waistcoat, and two elastic bands and two fixing bands are arranged on the inner side of the foldable waistcoat. A cooling liquid storage bag is detachably connected to the rear side face of the folding waistcoat, main heat dissipation bags are arranged at the armpits of the two sides of the folding waistcoat, and two cooling pipe sets are symmetrically arranged on the two sides of the folding waistcoat. The cooling device can be put on the outer portion of clothes of a user in a folded mode, the armpit of the user is cooled preferentially when the temperature of cooling liquid is low, the cooling effect on the armpit is improved, and therefore the overall cooling effect on the user is accelerated, the cooling device can be used circularly, and the cooling liquid storage bag for storing the cooling liquid can be supported; the gravity of carrying the cooling liquid storage bag is reduced, and the wearing comfort of a user is improved.
Owner:ANHUI MEIBO INTELLIGENT ELECTRIC APPLIANCE GRP CO LTD

Harvesting device for improving quality of forest and fruit industry

The utility model relates to the technical field of harvesters, and discloses a harvest for quality improvement in forest and fruit industry, which comprises a shell, a buffer device is fixedly mounted on the inner wall of the shell, the buffer device comprises a fastening bolt, a mounting piece, a limiting fixing ring, soft cloth and an elastic band ring, the fastening bolt is in threaded connection with the outer wall of the shell, and the mounting piece is fixedly mounted on the outer wall of the shell. When the device is used, through the arranged buffer device, the mounting piece of the limiting and fixing ring is connected through the fastening bolt penetrating through the shell, the limiting and fixing ring is fixed to the inner wall of the shell, and when fruits are collected, the fruits can fall into the soft cloth and then enter the shell through the elastic band ring, so that the fruits can be collected, and the fruits can be conveniently collected. By means of the operation, the falling gravity of the fruits can be relieved, the situation that the fruits fall and collide with the internal fruits is avoided, the situation that the fruits are damaged due to collision is reduced, the fruit collecting quality is improved, and use of the fruit collector is optimized.
Owner:XINJIANG SANHE PLANT PROTECTION TECH CO LTD

Automatic discharging device

An automatic discharging device comprises a discharging frame, a funnel-shaped discharging bin arranged in the discharging frame and a discharging opening formed in the bottom of the discharging bin, the discharging opening is communicated with a vacuum pumping pipe, a cover plate is arranged at the top of the discharging frame, a penetrating hole is formed in the cover plate, and a discharging opening is formed in the bottom of the discharging bin. The size of the through hole is smaller than the size of the upper opening of the discharging bin, the elastic supporting piece is arranged between the cover plate and the discharging frame, manual carding is not needed in the discharging process, and the blocking phenomenon cannot be caused.
Owner:SUZHOU CUIPING PLASTIC CO LTD

A kind of solvent-free soft repairing cement and preparation method thereof

The invention discloses a solvent-free soft repairing mortar and a preparation method thereof, wherein the solvent-free soft repairing mortar comprises component A and component B, wherein component A and component B are in a weight ratio of 100:4.5-10; wherein component A comprises the following components in parts by weight: 100 parts of polybutadiene, 0.8-3 parts of chain extender, 30-65 parts of polyvinyl chloride-vinyl acetate paste resin, 0-15 parts of carbon black, 0-15 parts of titanium dioxide, 0-3 parts of organic bentonite, 0-3 parts of white carbon black, and 0-15 parts of filler; and component B comprises solvent-free polydiisocyanate. The invention has the advantages of environmental protection, flame retardancy, fast curing speed at room temperature, high bonding strength, good corrosion resistance, good wear resistance, etc.; and solves the problems of slow curing speed, low bonding strength, easy peeling and delamination, poor corrosion resistance and wear resistance of the existing solvent-based repairing mortar.
Owner:SHANGHAI SHUANGPU ANTICORROSION RUBBER LINING

A support device and system for achieving stable replication of grating grooves

The present invention relates to the field of semiconductor mechanism technology, and in particular to a support device and system for achieving stable replica grating groove type, wherein the support device comprises a support structure, a first structure, a second structure and a support plate. A rigid structure with a preset angle is provided in a partial structure within the support structure, which is used to form a replica grating groove type, so as to fix at least a part of the entire replica grating groove type. The first structure is arranged on both sides of the support structure, and plays a supporting role for the entire main body of the support structure. The second structure positions and locks the degree of freedom of replica grating groove types of different sizes. One end of the support plate is connected to a rotatable first connection point of the rigid structure, and the other end is a rotatable second connection point connected to the first structure. The second structure is arranged at different positions on the corresponding two sides of the support plate to control the positioning accuracy between the replica grating groove type and the master grating groove type. The support device of the present application ensures the consistency of the groove type between the replica grating and the master grating.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI

Clamping mechanism for uncoiling copper plate coil stock

The utility model discloses a clamping mechanism for uncoiling a copper plate coil stock, and relates to the technical field of copper product processing. The fixing part comprises a rack, a fixing plate arranged on one side of the rack, and an L-shaped plate arranged on one side of the rack; and the bearing assembly comprises a power assembly arranged on the fixing plate, a bearing assembly arranged on the power assembly, a limiting assembly arranged in the bearing assembly, a driving assembly arranged in the limiting assembly and a tensioning assembly arranged on the driving assembly. According to the utility model, the rotating disc, the flat threaded bulge and the moving block are matched with one another, so that the connecting plate and the rubber strip expand outwards and abut against an inner core of a copper plate coil stock, and therefore, the copper plate coil stock feeding device adapts to copper plate coil stocks with different sizes and avoids damage caused by shaking of the copper plate coil stocks.
Owner:HUAIAN LONGCHUANG METAL PROD CO LTD

A pressure-opened floating screen tube

ActiveCN112412402Breduce frictionSolve the problem of difficult entryFluid removal
The present invention discloses a pressure-opened floating screen pipe, which relates to the technical field of oil and gas extraction. The filtering mechanism includes a coupling, a base pipe, an upper end ring, a filter sleeve and a lower end ring. A first flow channel is formed between the filter sleeve and the base pipe, and a first flow groove extending in the axial direction is arranged on the inner wall of the lower end ring; the floating mechanism includes an outer protective sleeve, a connector, a center pipe, a gasket, a sealing sleeve, a lower joint, a blind pipe short section and a plurality of switching components. A second flow channel is formed between the connector and the outer protective sleeve, an annular protrusion is arranged on the center pipe, and a plurality of water-permeable through holes are arranged on the annular protrusion. A third flow channel is formed between the annular protrusion and the outer protective sleeve, and a plurality of axial through holes are arranged on the sealing sleeve along the circumferential direction, and a switching component is installed in each axial through hole. The device reduces the friction resistance of the screen pipe when it is lowered into a large displacement horizontal well, and solves the problem that the screen pipe is difficult to lower due to the large inclination, long stable inclination section and large friction resistance of the wellbore in the large displacement horizontal well.
Owner:DONGYING RUIFENG PETROLEUM TECH DEV CO LTD +1