53results about How to "Avoid deformation and fracture" patented technology

One aspect of the invention includes a seat movable in a front-rear direction between an in-use position and a stored position. The seat is moved in the front-rear direction via a link. The link is coupled pivotally in the front-rear direction. One end of the link is coupled to a coupling member fixed to the seat. The other end of the link is coupled to a coupling member fixed to the floor. The link and the respective coupling members are coupled to each other using an axial member. The insertion hole is formed in a shape that inhibits the axial member from undergoing positional displacement in the front-rear direction within the insertion hole when the seat is at the in-use position and allows the axial member to undergo positional displacement in the front-rear direction within the insertion hole as the seat is moved from the in-use position to the stored position.

The invention relates to a polishing robot comprising a rail frame; a main walking device which is movably arranged on the rail frame and provided with a polishing execution device; and an auxiliary walking device which is movably arranged on the rail frame and used for being cooperatively matched with the main walking device and is provided with a polishing auxiliary device, wherein the polishingauxiliary device is used for assisting the polishing execution device in conducting polishing operation. The composition structures of the main walking device and the auxiliary walking device are greatly simplified, the weight is also greatly reduced, the rail frame can be effectively prevented from deforming and breaking due to overload, and the operation safety and reliability of the polishingrobot are improved; when the robot passes through a rail section with a small turning radius, the main walking device and the auxiliary walking device can be located at different turning angle positions so that the excellent curve passing capacity is achieved, the internal and external corner polishing requirement can be met and the polishing work performance can be improved.

A terminal fitting (T) includes an inner conductor (11), an outer conductor (12) and a dielectric (13) interposed between these conductors. The inner conductor (11) is connected to a core (51) of a shielded cable (W). The outer conductor (12) includes two shield crimping pieces (45) deformable along an outer periphery of a braided wire (53) of the shielded cable (W). Further, the terminal fitting (T) includes a cover (14) including a shield-side surrounding portion (84) for surrounding the shield crimping pieces (45) along outer peripheries thereof.

The invention discloses a cold-resistant, corrosion-resistant, flame-retardant and anti-interference double-sheath cable. The cable comprises an outer sheath, an anti-torsion layer, an inner sheath, awater-blocking filler and a cable core; the inner sheath is extruded on the outer side of the cable core, the anti-torsion layer is wrapped on the outer side of the inner sheath, and the outer sheathis extruded on the outer side of the anti-torsion layer; and the cable core comprises three wire cores, a tensile rope and a fixing rope. The inner sheath, the anti-torsion layer and the outer sheathare sequentially wrapped on the outer side of the cable core; double protection can be effectively performed on the cable; the cold resistance, moisture resistance and corrosion resistance of the cable are improved; the wire core can be effectively fixed and dragged through the fixing rope; the cable core is prevented from deforming and breaking due to mutual extrusion in the bending process, thefriction force between the cable core and the sheath can be effectively improved through the circularly wrapped fixing rope, the slippage between the cable core and the inner sheath is avoided, the generated stress is homogenized and eliminated through the ductility of the fixing rope, the cracking and deformation of the cable are avoided, and the service life of the cable is prolonged.

One aspect of the invention includes a seat movable in a front-rear direction between an in-use position and a stored position. The seat is moved in the front-rear direction via a link. The link is coupled pivotally in the front-rear direction. One end of the link is coupled to a coupling member fixed to the seat. The other end of the link is coupled to a coupling member fixed to the floor. The link and the respective coupling members are coupled to each other using an axial member. The insertion hole is formed in a shape that inhibits the axial member from undergoing positional displacement in the front-rear direction within the insertion hole when the seat is at the in-use position and allows the axial member to undergo positional displacement in the front-rear direction within the insertion hole as the seat is moved from the in-use position to the stored position.

The invention relates to the technical field of a radial horizontal rotating drilling work, and particularly relates to a reciprocating rotating bidirectional replacement device. The upper end of a motor joint of the device is connected with an underground power motor, a limiting locking block is welded and fixed to the outer wall of a motor joint, and a spiral guide groove I is arranged on the outer wall of the motor joint; the outside of the motor joint is sleeved with an outer cylinder I and sealed through a sealing ring I; multiple limiting locking grooves are evenly distributed on the circumference on the inner wall of the upper end of the outer cylinder I, the limiting locking blocks and the limiting locking grooves are matched to each other and can move downwards and unlock along the limiting locking groove. A soft drilling pipe can pass through a sleeve window opening position in radial horizontal rotary drilling work and spirally move and pass when taking out from a stratum, thereby avoiding blockage of the soft drilling pipe in the stratum, preventing the soft drilling pipe from deformation rupture, drill bit dropping, and jamming by excessive upwards lifting force, effectively prevent underground complex condition in the radial horizontal rotary drilling work, reduce the working risk and working cost, and improve the working efficiency.

A double-saw-frame efficient sawing machine comprises a base, and a pair of sawing devices are arranged on the base, wherein a workpiece mounting device is arranged between the two sawing devices. Each sawing device comprises a sawing frame body, a driving belt wheel, a driven belt wheel, a saw blade and a first high-speed spindle motor for driving the driving belt wheel are arranged on the sawingframe body, wherein a first lead screw nut is arranged on the sawing frame body, a first supporting seat is arranged on the base, a first servo motor is arranged on the first supporting seat, and thefirst lead screw nut is driven by the first servo motor. The workpiece installation device comprises a first sliding block, wherein the first sliding block is driven by a third servo motor, and a first supporting block is arranged on the first sliding block; a workpiece installation rotary disc is arranged on the first supporting block, a first gear is arranged on the workpiece installation rotary disc, a fourth servo motor is arranged on the first supporting block, and a second gear is arranged on the fourth servo motor. According to the invention, the sawing machine can conduct efficient saw cutting on a saw cutting workpiece, and a saw blade can automatically adjust the guide effect on the saw blade according to different thickness areas of the saw cutting workpiece.

The invention discloses a device for reducing cracks of concrete at the periphery of a road well cover. The device comprises a well cylinder, a leveling layer, a well ring and the well cover. The wellcover is rotationally connected with the well ring through a pin shaft. The well ring is fixedly connected with the upper end of the well cylinder through the leveling layer. The well cylinder and the leveling layer are made of concrete. The concrete of the well cylinder and the upper end of the leveling layer internally comprises a crack-proof device. The crack-proof device comprises two crack-proof balls and a connecting rod. The two ends of the connecting rod are connected with the crack-proof balls correspondingly. Each crack-proof ball internally comprises a hollow steel ball. Each hollow steel ball is filled with steel wires and a binder. Steel wires are in disorder connection with the corresponding hollow steel ball. The binder contains carbon fiber. An outer layer of each hollow steel ball is connected with a first concrete layer, the elasticity of the concrete can be improved, energy generated by vibration of the well cover and the well ring can be absorbed, and meanwhile, the cracks in the concrete can be restored.

A fire-resistant thermal isolation insulation tube comprises an insulation layer, a thermal isolation packing layer, a low-expansion alloy shell and a fire-resistant protection material layer from interior to exterior in sequence. The thermal isolation packing layer is internally provided with a tube supporting frame. The insulation layer is made of a carbon fiber insulation material. The thermal isolation packing layer is made of kieselguhr. The low-expansion alloy shell is made of ferronickel materials. The fire-resistant protection material layer is made of silicon carbide. The fire-resistant thermal isolation insulation tube has the advantages that high-temperature open fire can be effectively prevented from damaging a tube stock and circuits in a cavity of the tube stock, tube stock deformation and fracture caused by the high temperature are prevented, and more serious damage caused by the short circuit of the inner circuits is prevented.

The invention particularly relates to high-strength low-yield-ratio steel as well as a preparation method and application thereof, and belongs to the technical field of steel smelting. The high-strength low-yield-ratio steel comprises the following chemical components, in percentage by mass, of 0.055%-0.065% of C, 0.10%-0.30% of Si, 1.80%-2.10% of Mn, smaller than or equal to 0.008% of P, smallerthan or equal to 0.0015% of S, 0.02%-0.04% of Alt, 0.07%-0.08% of Nb, 0.010%-0.020% of Ti, 0.20%-0.50% of Ni, 0.15%-0.30% of Cr, 0.15%-0.30% of Cu, 0.15%-0.30% of Mo, and the balance Fe and inevitableimpurity elements. The high-strength low-yield-ratio steel has the following properties that the tensile strength is 760-800 MPa, the yield ratio is 0.70-0.75, the Charpy impact energy with the toughness of -40 DEG C is greater than or equal to 400 J, the dynamic load fatigue resistance is excellent, and the Charpy impact shear area at -40 DEG C is greater than or equal to 90%.

The invention relates to a sample preparation die for a large coarse-grained soil triaxial test. The die comprises a die annular bottom plate, a die top limiting lantern ring, a middle lantern ring, two semi-cylindrical steel plates with clamping tables, and two fixed limiting screw rods, and is characterized in that two semi-cylindrical steel plates with clamping tables are folded to form a sample cylinder; the sample cylinder is mounted above the die annular bottom plate; the die top limiting lantern ring is mounted at the top of the sample cylinder; the fixed limiting screw rod is used fortensioning the die annular bottom plate and the die top limiting lantern ring; and the middle lantern ring is installed outside the semi-cylindrical steel plate and clamped on the semi-cylindrical steel plate clamping table; and the middle lantern ring is provided with two screw rods used for clamping the two semi-cylindrical steel plates. Thus, the die disclosed in the invention is used for preparing a sample for triaxial test of large coarse granular materials.

The invention discloses a window type air conditioner which comprises a base plate, a face frame and an air inlet panel. The face frame is installed on the base plate, the front side of the face frameis provided with an indoor air inlet and a lower frame edge located below the indoor air inlet, and the lower frame edge is provided with a catching groove structure. The air inlet panel is rotationally connected with the lower frame edge; the air inlet panel is provided with a fastener, and the fastener is inserted into the catching groove structure; the lower frame edge comprises a frame bottomand an edge portion located on the lower periphery of the indoor air inlet, the edge portion is arranged on the frame bottom, the frame bottom abuts against the front side wall of the base plate, thecatching groove structure penetrates through the edge portion in the front-back direction, and a gap allowing the buckling piece to rotate for receding is formed between the inner surface of the edgeportion and the front side wall of the base plate. According to the technical scheme, the phenomenon that the buckling piece is damaged in the rotating process or the lower frame edge is deformed anddamaged is prevented, then the stability of the air inlet panel and the face frame in the mounting or dismounting process is improved, and meanwhile the structural strength of the face frame is guaranteed.

The invention discloses an automobile metal support surface treatment technology. Surface treatment is carried out on a metal support, and includes the technologies of oil removal, polishing, nitriding treatment, galvanization treatment and cleaning and drying. With the automobile metal support surface treatment technology, the characteristics of wear resistance, fatigue resistance, corrosion resistance and high temperature resistance of the metal support are improved, the corrosion resistance is further improved through galvanization, and the service life of the metal support is prolonged.

The invention relates to a concrete floor slab reinforcing structure and a construction method thereof. The concrete floor slab reinforcing structure comprises a first floor slab, a second floor slab, a cross beam and a supporting column; a steel bar column is fixedly installed in the first floor slab; a transverse steel plate is fixedly installed at the bottom of the steel bar column; a transverse column is fixedly installed at the bottom of the transverse steel plate; a penetrating hole is formed in the first floor slab; a top column penetrating through and extending to the top of the penetrating hole is fixedly mounted at the top of the transverse steel plate; a connecting ring is fixedly mounted on the outer side of the top column; a top plate is fixedly mounted at the top of the connecting ring; a first steel plate is fixedly mounted in the cross beam; a connecting plate is fixedly mounted at the bottom of the first steel plate; and a second steel plate is fixedly mounted at the bottom of the connecting plate. The structure is high in practicability, the anti-deformation performance of a concrete floor slab can be improved, the structure adapts to an earthquake environment, the movable range is limited, the requirement for stability is met under an anti-seismic condition, and the purposes of convenient construction and good performance are achieved.

The invention discloses a soundproof and shockproof device used for a building wall. The soundproof and shockproof device used for the building wall comprises a soundproof plate and a shockproof device. The shockproof device comprises an anti-shock ball and a connecting rod, the two ends of the connecting rod is connected with the anti-shock ball, and the two ends of the anti-shock ball are fixedly connected to the soundproof plate; the shockproof device is connected to a mesh structure through the connecting rod, and the anti-shock ball internally comprises a hollow steel ball; the hollow steel ball is filled with steel wires and soundproof materials, and the steel wires are in disordered connection in the hollow steel ball; a first concrete layer is connected to the outer layer of the hollow steel ball and internally comprises rubber particles, pitch and a soundproof ball; the soundproof ball comprises a steel outer ball layer and a steel inner ball layer, and the position between the outer ball layer and the inner ball layer is in a vacuum state; the interior of the inner ball layer is filled with the soundproof materials. The soundproof and shockproof device can reduce shock of the wall and improve the soundproof effect of the wall simultaneously.

A terminal fitting (T) includes an inner conductor (11), an outer conductor (12) and a dielectric (13) interposed between these conductors. The inner conductor (11) is connected to a core (51) of a shielded cable (W). The outer conductor (12) includes two shield crimping pieces (45) deformable along an outer periphery of a braided wire (53) of the shielded cable (W). Further, the terminal fitting (T) includes a cover (14) including a shield-side surrounding portion (84) for surrounding the shield crimping pieces (45) along outer peripheries thereof.

The invention provides an assembled type building structure shock absorbing support. The assembled type building structure shock absorbing support comprises foundation embedded parts, an upper protecting cover, a lower protecting cover, A-shaped elastic pieces, high-strength springs, trapezoid rubber pieces, spring limiting grooves and spring hook preformed holes, wherein the A-shaped elastic pieces can buffer force in a vertical direction; bolt preformed holes of the upper protecting cover can fix the positions of the rubber pieces and connect the upper protecting cover and columns; the trapezoid rubber pieces can buffer vertical force as well as force produced by horizontal swinging; balls can avoid free displacement between the upper protecting cover and the A-shaped elastic pieces; thespring limiting grooves can avoid bending and arching of the springs on the lower protecting cover under stress and meanwhile prevent releasing of the upper protecting cover and the lower protectingcover due to overlarge amplitude of horizontal swing of the trapezoid rubber pieces; the spring hook preformed holes are applied to hanging and connecting the springs of the upper protecting cover andthe lower protecting cover.

The invention belongs to the technical field of heat-shrinkable film production auxiliary equipment, and particularly relates to a crease-resistant film-pressing mechanism for PE heat-shrinkable filmproduction. The crease-resistant film-pressing mechanism comprises a workbench and a lifting plate, wherein first fixing plates symmetric to each other are arranged at the two ends of the left side ofthe workbench; a prepressing roller is arranged between the two first fixing plates and rotatably connected to the inner walls of the first fixing plates; second fixing plates which are symmetric toeach other are arranged at the two ends of the right side of the workbench; and a winding drum is arranged between the two second fixing plates and rotatably connected to the inner walls of the secondfixing plates. According to the crease-resistant film-pressing mechanism, a heat-shrinkable film is stretched to be stressed, so that the heat-shrinkable film is more flat and prevented from wrinkling during winding; and meanwhile, the stretching distance of the heat-shrinkable film is adjusted by adjusting the vertical position of the lifting plate, so that the stress of the heat-shrinkable filmis reduced, the fracture deformation of the heat-shrinkable film caused by overlarge stress during winding is prevented, and the production efficiency is improved.

The invention discloses a wellhead suspension device suitable for small-diameter coiled tubing operations, including a hanger, a conversion device and a guide device; the hanger is used for hanging small-diameter coiled tubing at the wellhead, and at the same time plays a role of sealing the small-diameter coiled tubing and gas well tubing ring The role of space, by changing the internal structure of the hanger, the passage and suspension requirements of the small-diameter coiled tubing downhole tool string with the upper, lower, and larger "┻" structures are realized; the conversion device is used to connect the blowout prevention system during daily injection operations, providing Daily blowout prevention, and at the same time, it is used to connect the guiding device when the small-diameter coiled tubing is suspended at the wellhead, which can prevent the small-diameter coiled tubing from being deformed and broken due to excessive bending.

The invention discloses a mounting and fixing method of a fixed structure for mounting a micro-motor. The method comprises the steps as follows: (a) a mounting hole of a micro-motor mounting plate is aligned at the mounting hole of an air conditioner shell; two elastic arms are extruded inwards to deform; the upper end of a movable limiting rod is clamped into a groove of a limiting arm; the movable limiting rod rotates around a hinge point by inward force of the limiting arm; and the upper end of the movable limiting rod is propped against the inner walls of the elastic arms provided with support rods; and (b) the two elastic arms pass through the mounting hole of the micro-motor mounting plate and the mounting hole of the air conditioner shell; the inward extrusion force to the two elastic arms is removed; the two elastic arms return towards two sides; two limiting blocks are clamped on the lower end surface of the air conditioner shell for limiting; and a pressing seat is pressed on the upper end surface of the micro-motor mounting plate. The mounting and fixing method has the advantages that (1) the mounting and fixing method is convenient to mount and dismantle and firm to connect, and damage to the micro-motor mounting plate and the air conditioner shell is avoided; and (2) deformation and fracture of the elastic arms due to overlarge pressure are avoided.

The invention discloses a fixing structure for micromotor installation. The fixing structure for micromotor installation comprises a pressing base and two elastic arms, wherein the two elastic arms stretch out from the end face of one side of the pressing base. A strip-shaped groove is formed between the two elastic arms. Limiting blocks stretch outwards from the outer side walls of the lower ends of the two elastic arms correspondingly. The fixing structure for micromotor installation has the following advantages that firstly, assembly and disassembly are convenient, connection is firm, and a micromotor installation plate and an air conditioner shell are prevented from being damaged; and secondly, the situation that the elastic arms deform and break due to the fact that the stress is too large is avoided.

The invention discloses a fixing structure for micromotor installation. The fixing structure for micromotor installation comprises a pressing base and two elastic arms, wherein the two elastic arms stretch out from the end face of one side of the pressing base. A strip-shaped groove is formed between the two elastic arms. Limiting blocks stretch outwards from the outer side walls of the lower ends of the two elastic arms correspondingly. The fixing structure for micromotor installation has the following advantages that firstly, assembly and disassembly are convenient, connection is firm, and a micromotor installation plate and an air conditioner shell are prevented from being damaged; and secondly, the situation that the elastic arms deform and break due to the fact that the stress is too large is avoided.

The invention discloses a valve element structure of a one-way valve, and belongs to the technical field of valves. The valve element structure is novel in structure. Compared with a traditional valveelement structure, a valve element guide sleeve is used as a valve element sliding rod, the diameter of the guide sleeve is large, stability is good, strength is large, and the service life of the sliding rod is prolonged. A blocking skirt is additionally arranged on the periphery of a valve element plate, a groove is formed between the blocking skirt and a valve element screw, and a sealing gasket is embedded in the valve element plate. The valve element structure has the beneficial effects that the sealing gasket and the valve element plate are tightly embedded together, the blocking skirtprotects the sealing gasket, sludge cannot be extruded into a gap between the sealing gasket and the valve element plate in the high-speed flowing process, and the situation that the sealing gasket isextruded by the sludge to deform and break is eradicated; even if the sealing gasket is broken under the action of external force, the sealing gasket cannot fall off through protection of the blocking skirt, and the service life of the sealing gasket is prolonged; and in addition, a damping pad can effectively prevent vibration and mechanical damage generated by collision of the valve element plate and a one-way valve cover plate guide rod (or guide pipe) when a valve element moves up and down.

The invention discloses an automobile valve rocker embedded with tension pulleys. The automobile valve rocker comprises a rocker body. A shaft pedestal is arranged in the center of the rocker body. A shaft sleeve hole is formed in the shaft pedestal. Rocker rods are arranged at the two ends of the rocker body. The upper end of the shaft pedestal and each end of the rocker body are each provided with a reinforcing rib shaft rod, and the reinforcing rib shaft rods are guided into the front end faces and the rear end faces of the rocker rods. Tension pulley bodies are arranged on the reinforcing rib shaft rods, and the pulley surfaces of the tension pulley bodies are sleeved with a tension steel wire rope. In this way, the compressive strength of the valve rocker can be improved through the tension pulley bodies installed on the valve rocker in the embedded mode, the situation that deformation and fracture occur when the valve rock bears high stress is avoided, and the service life of the valve rocker is prolonged.

The invention discloses an anti-interference scandium-aluminum alloy conductor control rubber sheathed flexible cable and belongs to the field of wires and cables. The anti-interference scandium-aluminum alloy conductor control rubber sheathed flexible cable comprises a cable core, a waterproof filling strip, a first waterproof wrapping tape, a metal braided shielding layer, a second waterproof wrapping tape, and an outer sheath. The outer side of the cable core is wrapped in the first waterproof wrapping tape. A gap between the inner side of the first waterproof wrapping tape and the outer side of the cable core is filled with the waterproof filling strip. The outer side of the first waterproof wrapping tape is wrapped in the metal braided shielding layer. The second waterproof wrapping tape is extruded on the outer side of the metal braided shielding layer. The outer sheath is extruded on the outer side of the second waterproof wrapping tape. The cable core is formed by intertwiningthree control wire cores. The cable core is formed by intertwining the control wire cores, thereby improving the overall structural toughness and strength of the cable core, avoiding the stressed fracture deformation during the use of the cable, improving the structural strength, the ductility and tear resistance of the cable core, solving the poor bending performance of a traditional cable, and facilitating long-time promotion.

The invention provides a herringbone frame in the form of a hinge support for hoisting a steel beam by a winch and a method of the herringbone frame. The herringbone frame comprises a support frame assembly and a fixing mechanism, and a first herringbone frame assembly is respectively connected with a fourth fixing device and a third fixing device through a second steel wire rope and a third steelwire rope. According to the herringbone frame, when the steel beam is hoisted and installed, the support frame assembly is subjected to downward pulling force of the steel beam, and the support frameassembly can rotate around a first fixing device and a second fixing device, so that the situation that a support is prone to being deformed and fractured due to excessive stress is avoided; part ofthe pulling force of the steel beam to the support frame assembly is dispersed to the fourth fixing device and the third fixing device through the traction of the second steel wire rope and the thirdsteel wire rope, and the situation that the support frame assembly is deformed and fractured due to the fact that the weight of the steel beam is too large is avoided, so that the herringbone frame has the advantages that the bending moment at the support is reduced, the support is not prone to being deformed and fractured, and the support frame assembly is prevented from being deformed, bent andfractured due to excessive stress.

The invention discloses fin heat exchange tube cleaning equipment, comprising two upper transverse conveying mechanisms. Lifting adjustment mechanisms are arranged at the bottoms of the transverse conveying mechanisms; a mounting base and a drying mechanism are arranged between the two transverse conveying mechanisms; a rotary cleaning mechanism is arranged on the mounting base; the two ends of the rotary cleaning mechanism are provided with inclination mechanisms used for connecting the mounting base and the rotary cleaning mechanism; and the rotary cleaning mechanism is provided with a plurality of cleaning nozzles. The equipment can automatically clean a ultra-long fin heat exchange tube, can clean the fin heat exchange tube in all directions, can clean impurities at narrow parts of a fin member, and is high in cleaning efficiency and good in effect.

The invention specifically relates to a high-strength low-yield-ratio steel and its preparation method and application, belonging to the technical field of steelmaking. The high-strength low-yield ratio steel provided by the invention, in terms of mass fraction, has a chemical composition comprising: : C: 0.055~0.065%, Si: 0.10~0.30%, Mn: 1.80~2.10%, P: ≤0.008%, S: ≤0.0015%, Alt: 0.02~0.04%, Nb: 0.07~0.08%, Ti: 0.010~0.020%, Ni: 0.20~0.50%, Cr: 0.15~0.30%, Cu: 0.15~0.30%, Mo: 0.15~0.30%, the balance is Fe and unavoidable impurity elements; the high strength provided by the present invention Low yield ratio steel with the following properties: tensile strength of 760-800MPa, yield ratio of 0.70-0.75, toughness of ‑40°C Charpy impact energy ≥ 400J, and excellent dynamic fatigue resistance, ‑40 ℃ Charpy impact shear area ≥ 90%.

The invention discloses a cleaning assisting filter. The cleaning assisting filter comprises a box body and a box cover, the box body comprises a first feeding port, a second feeding port, a first discharging port, partition plates, a hole structure and a three-way structure, the box body is separated by different partition plates, the partition plates divide the box body into small box bodies A to E, and holes are formed in the partition plates. The numbers of the partition plates and three-way structures, the hole height, the hole diameter, the partition plate height and the volume of the small box bodies are controlled to enhance separation of an organic phase and a water phase, so the problem that niobium liquid or tantalum liquid carries the organic phase in the tantalum-niobium hydrometallurgy process is solved, the quality of niobium-tantalum products and the niobium-tantalum direct recovery rate are improved, meanwhile, the organic phase can be recycled, the circulation efficiency of the organic phase is improved, and the production cost is reduced. The small box body D has a filtering and adsorbing function and can be used for removing substances such as suspended matters,slag bodies or plastic scraps carried in the niobium liquid or tantalum liquid, so that the quality of niobium-tantalum product is improved. The cleaning assisting filter has the characteristics of small occupied area, remarkable separation effect, convenience in operation, easiness in maintenance, easiness in industrialization and the like.