24results about How to "Guaranteed resistance" patented technology

The invention discloses organic silicon resin production equipment, and relates to the technical field of production. The device comprises a device body, a driving assembly is arranged at the top of the device body, a supporting assembly is arranged at the bottom of the device body, an electric telescopic rotating column is rotationally installed at the top of the inner wall of the device body, and an arc-shaped groove is formed in the outer wall of the electric telescopic rotating column; a filter plate is fixedly mounted on the outer wall of the telescopic end of the electric telescopic rotary column, and an anti-sticking device for avoiding non-uniform stirring of raw materials is arranged on the periphery of the electric telescopic rotary column. Through cooperation of an electric telescopic rotating column, a stirring block and a filter plate, the stirring block dynamically stirs raw materials, and the stirring effect is improved by turning over the center of the raw materials through the cambered surface treatment of the stirring block; and meanwhile, the filter plate moves dynamically to remove impurities in the raw materials, so that the removal effect on small-particle impurities is improved, and the purity and quality of the materials are guaranteed.

The utility model relates to the field of linear guide rails, and discloses a linear guide rail convenient to lubricate. The lubricating device comprises a guide rail, the outer surface of the guide rail is connected with a sliding block in a sliding mode, the surface of the sliding block is provided with a lubricating structure, the lubricating structure comprises a movable block, the surface of the sliding block is provided with a groove, the outer wall of the movable block is connected to the inner wall of the groove in a sliding mode, the side wall of the movable block is fixedly connected with a telescopic rod, and the telescopic rod is fixedly connected with the sliding block. The outer wall of the telescopic rod is sleeved with a spring, a rotating rod is arranged on the surface of the moving block, the end, away from the moving block, of the rotating rod is fixedly connected with a rotating button, and the surface of the rotating rod is fixedly connected with a hook face of a hook-and-loop fastener. And the risk that dust attached to the surface of the guide rail is in contact with lubricating oil due to direct lubricating of the guide rail and congealed and accumulated on the surface of the guide rail is avoided, and the lubricating effect on the guide rail is improved.

The invention discloses a tie-bar-free stainless steel water tank with a built-in fully-exposed triangular section, and relates to the technical field of water tanks, the tie-bar-free stainless steel water tank comprises a water tank bottom plate module, a water tank top plate module, water tank side plate modules, stand columns and cross beams, and the water tank top plate module and the water tank side plate module are respectively formed by combining, splicing and welding a single-inclined-edge water tank template and a double-inclined-edge water tank template. A traditional water tank welding and water tank pressure balance mode is changed; the vacant welding position is connected with the folding edge of the water tank side plate module in a welding mode, the welding area is increased, the stress concentration phenomenon is reduced, and the stability and deformation resistance of the water tank are guaranteed.

The present invention discloses a compressor rotor sealing mechanism, comprising a cylinder body, a first rotating shaft, a second rotating shaft and a rotor, wherein a sliding vane is slidably arranged on the cylinder body, and the sliding vane abuts against the rotor; a sliding plate is slidably arranged on the cylinder body, and a square tube is fixedly arranged on the sliding plate. When the sliding vane is worn, not only can the sliding vane still abut and seal against the rotor, but also, under the action of the abutment member, the sliding vane enables the first inclined plane rod to push the second inclined plane rod, so that the locking block is disengaged from the locking groove, the compensating member is released, the compensating member pushes the compensation block, and then the abutment member is compressed, and at the same time the locking block is engaged with the next locking groove, so as to complete the locking of the compensation block, thereby completing the compensation of the sliding vane through the compensation member when the sliding vane is worn, and ensuring the abutment force between the sliding vane and the rotor, avoiding the phenomenon that the abutment force is too large, causing excessive wear, or the abutment force is too small, resulting in poor sealing performance, thereby improving the working efficiency of the compressor.

The FU type zipper machine with the blowing device comprises a shell, a feeding port is formed in the position, close to one side, of the top of the shell, a discharging port is fixedly connected to the side, away from the feeding port, of the bottom of the shell, an air inlet pipe is movably connected to the position, close to the bottom, of the middle of the front face of the shell in a sleeved mode, and an air outlet pipe is fixedly connected to the air inlet pipe. The front face of the air inlet pipe communicates with a control valve, the front face of the shell is fixedly connected with a motor, the back of the motor is in transmission connection with a control gear, and the outer side of the control gear is movably connected with a chain. According to the utility model, the air inlet pipe and the breaking head are arranged, so that dust materials conveyed on the chain in the FU zipper machine can be effectively cleaned, dust cannot be accumulated on the chain until the chain is conveyed to the head pulley of the zipper machine, and the friction between the chain and the dust materials is avoided; and the risk of material leakage caused by excessive accumulation of dust materials at the position of the head wheel is avoided.

The utility model discloses a uniformly heated cotton spinning product ironing machine, which belongs to the technical field of cotton spinning product ironing machines, and comprises an ironing machine and an anti-overflow mechanism, and the anti-overflow mechanism comprises an anti-overflow frame fixedly connected to the inner side of the ironing machine. By means of the mode, the polyester blended fabric is smoothed through the moving frame, the smoothing roller and the smooth plate, the surface of the steam pipe is enclosed through the anti-overflow frame, a large amount of steam is prevented from being dissipated, openings in the two sides of the anti-overflow frame are blocked through the driven frame, the first spring and the smooth plate, and the anti-overflow effect is improved. Compared with an existing mode that a steam discharge port is exposed outside, and part of heat of the steam discharge port in steam discharge is prone to dissipation, the mode prevents steam in the anti-overflow frame from drifting away, it is guaranteed that the steam drifts away to the surface of the polyester blended fabric, then it is guaranteed that the polyester blended fabric is evenly heated, and the quality of the polyester blended fabric is improved. Therefore, the heating effect of the polyester blended fabric is ensured.

The present invention relates to a polyethylene flash-spun nonwoven fabric with uniform thickness, wherein the weight of the polyethylene flash-spun nonwoven fabric is greater than 50 g / m 2 ; The thickness of the polyethylene flash spun nonwoven fabric is 0.1-0.3 mm; the area of ​​the polyethylene flash spun nonwoven fabric with a thickness in the range of (0.15 mm, 0.2 mm] accounts for more than 60% of the total area of ​​the polyethylene flash spun nonwoven fabric; the hygroscopic expansion rate of the polyethylene flash spun nonwoven fabric is 0.5%-0.8% when the relative humidity is between 33% and 84%. The polyethylene flash nonwoven fabric of the present invention has a uniform texture and good application prospects.

The utility model relates to the technical field of soldering flux, and discloses automatic feeding equipment which comprises a feeding table, a feeding groove is formed in the top of the feeding table and fixedly connected with a second liquid pump through a pipeline, a weighing sensor is arranged at the bottom of the second liquid pump, a first liquid pump is arranged on the outer side of the weighing sensor, and a second liquid pump is arranged on the outer side of the first liquid pump. The first liquid pump is fixedly connected with a material storage shell through a pipeline, a feeding structure is arranged in the material storage shell and comprises a liquid inlet pipe, the liquid inlet pipe is arranged on the side wall of the material storage shell, a valve is arranged on the surface of the liquid inlet pipe, and a motor is fixedly connected to the outer wall of the material storage shell. The output end of the motor is fixedly connected with a reciprocating screw rod, the outer wall of the reciprocating screw rod is in threaded connection with a moving block, by arranging the feeding structure, rosin and alcohol can be fully fused for feeding, the situation that rosin powder is caked, and consequently rosin water feeding is affected is avoided, and the feeding stability is improved.

The invention belongs to a main cylinder pressing sleeve of a large oil press in the technical field of large oil presses, and further relates to an online replacement method of the main cylinder pressing sleeve of the large oil press. The main cylinder body (1-21) falls to a working position, and the upper die device and the lower die device are dismantled; the main cylinder body (1-21) is locked at the highest position, and a T-shaped screw (1-6) of a connecting block (1-5) between the main cylinder body (1-21) and the lifting cylinder (4) is detached; the lifting oil cylinder (1-4) falls into a process hole of the lower beam (1-1) of the oil press; the main cylinder (1-2) is unlocked, the lifting cylinder (1-4) falls back to the lowest position along with the main cylinder body (1-21), and the pump is stopped; and the lifting oil cylinder (2-1) ascends and jacks up the main cylinder body (1-21). According to the online replacement method for the main cylinder pressing sleeve of the large oil press, the steps are simple, an online replacement mode is adopted when the main cylinder pressing sleeve of the oil press is replaced, the replacement efficiency of the main cylinder pressing sleeve is improved, and the problem that other parts are damaged in the replacement process of the main cylinder pressing sleeve is solved.

The invention discloses an alkaline secondary battery current collector base band and application thereof.The current collector base band comprises a metal base band, a plurality of burr units are evenly distributed on the metal base band in an array mode, and each burr unit is composed of front trapezoid burrs and back trapezoid burrs which are symmetrically arranged; long bottom plates of the front trapezoid burrs and long bottom plates of the back trapezoid burrs are adjacent and parallel to each other, front trapezoid burr long bottom edges formed by the front trapezoid burrs are connected with the metal base band, front trapezoid burr short bottom edges form front trapezoid burr ends, and back trapezoid burr long bottom edges formed by the back trapezoid burrs are connected with the metal base band. And the reverse trapezoidal burr short bottom edge forms a reverse trapezoidal burr end part. The current collector base band adopting a specific trapezoidal burr bidirectional arrangement mode effectively improves the conductivity of the polar plate and reduces the battery resistance, so that the assembled alkaline secondary battery has high rate performance, long cycle service life and other electrical properties and high specific energy, and meanwhile, the requirements of high power and high specific energy of the battery are met.

The utility model relates to the technical field of micro-fluidic chips, and provides a micro-fluidic chip which comprises a liquid drop fusion area, the liquid drop fusion area comprises a fusion channel and one to three bumps, and the bumps are arranged on the fusion channel. One of the depth size and the width size of the fusion channel is smaller than the diameter of a liquid drop to be fused, and the ratio of the cross sectional area of the fused liquid drop to the cross sectional area of the bump is 1: 1-1: 3; the electrode is arranged on one side of the bump and provides voltage for liquid drops to be fused in the bump.

This invention discloses a dual-piezoelectric tube driven inertial motor and its control method, along with a scanning probe microscope, relating to the field of piezoelectric tube technology. The invention includes a base, a first piezoelectric tube, a second piezoelectric tube, and a U-shaped sliding body. The first and second piezoelectric tubes are parallel to each other along their axes, with one end fixed to the base and the other end free. The two parallel arms of the U-shaped sliding body, referred to as the left and right sliding rods, are elastically connected via a junction at the bottom of the U-shaped sliding body. The left and right sliding rods are coaxially inserted into the inner walls of the first and second piezoelectric tubes, respectively. This invention not only ensures that the two sliding rods consistently and stably abut against the inner cavities of their respective piezoelectric tubes, guaranteeing effective transmission of driving force, but also improves the overall mechanism's motion accuracy, load-bearing capacity, and anti-interference capability through the coordinated and alternating operation of the dual-drive piezoelectric tubes, laying a structural foundation for achieving high-precision and high-stability stepping motion.

The present application relates to the field of polypeptide compositions, and in particular to an oligopeptide complex composition and a preparation method thereof. The oligopeptide complex composition, in terms of mass percentage, comprises the following raw materials: 5-20% oligopeptide complex, 10-25% functional additive, 1-15% particle additive, and deionized water to supplement the balance. The oligopeptide complex composition prepared in the present application can obtain excellent self-stability and anti-hygroscopicity while ensuring its effects such as soil remediation and plant growth promotion. It can replace existing polypeptides / oligopeptides for addition in the preparation of fertilizers, and has excellent applicability in the fertilizer / fertilizer field.

The anti-falling guide rail of the lifting scaffold comprises a fixing plate, a plurality of fixing holes are formed in the outer wall of the fixing plate, a guide rail body is fixedly installed on the outer wall of the fixing plate, and a plurality of blocking columns are fixedly installed on the outer walls of the two sides of the guide rail body through connecting grooves. A sliding rod is fixedly mounted on the outer wall of the guide rail body through a moving groove, a moving block is slidably mounted on the outer wall of the sliding rod through a limiting mechanism, and a connecting shaft is fixedly mounted on the bottom wall of the moving block through a connecting mechanism. By arranging the bumping posts, the connecting shaft, the connecting sleeve, the clamping block and the like, the moving block drives the connecting shaft to move downwards through the connecting block, the connecting shaft drives the clamping block to move downwards through the connecting sleeve and make contact with the bumping posts, the clamping block can rotate on the outer wall of the connecting shaft through the connecting sleeve under the blocking effect of the bumping posts, and the clamping block can rotate on the outer wall of the connecting shaft under the action of resistance. The falling action force can be buffered, and safety accidents caused by direct falling are avoided.

The utility model relates to pipeline mixer technical field especially relates to a pipeline mixer for reducing liquid nitrogen washing synthesis gas system resistance, including shell body, support ring, support rod, corrugated plate, flow guide hole and buffer assembly, the inner wall fixed setting of shell body has two groups of support rings, the inside fixed setting of support ring has a plurality of support rods, and a plurality of corrugated plates are arranged between two groups of support rings, and a plurality of flow guide holes are passed through and seted up in the inside of corrugated plate, and the inside of shell body is provided with buffer assembly, a pipeline mixer for reducing liquid nitrogen washing synthesis gas system resistance in the utility model is used in the process, and the inside support frame is with its firm frame structure, disperses the residual impact force, and the whole structure intensity of pipeline mixer is strengthened through the inside support structure of the device, and the impact force of super large gas synthesis gas is absorbed with buffer mechanism cooperation, effectively avoid the extrusion deformation of inner part under high load or emergency emptying condition, greatly reduce the risk of synthesis gas pipeline blockage.

The invention belongs to a main cylinder structure of a large oil press in the technical field of large oil presses, and further relates to a main cylinder guide sleeve replacement method of the main cylinder structure of the large oil press. The main cylinder body (1-11) falls to a working position, and the upper die device and the lower die device are dismantled; the main cylinder body (1-11) rises to the highest position and is locked, and a T-shaped screw (1-5) of a connecting block of the main cylinder body (1-11) and the lifting cylinder (1-4) is detached; the translation mechanism base (2-1) is hoisted into the central part of the oil press, the main cylinder (1-1) is unlocked, the lifting cylinder (1-4) falls back to the lowest position along with the main cylinder body 1-11, and the pump is stopped; the tool oil cylinder (3) ascends, and the main cylinder body (1-11) is jacked up; and the main cylinder body flange (1-13), the pressing sleeve (1-14), the seal (1-15) and the connecting block (1-2) of the main cylinder body (1-11) and the lifting cylinder (1-4) are dismantled. According to the method for replacing the guide sleeve of the main cylinder of the large oil press, the replacement efficiency of the guide sleeve of the main cylinder is improved when the guide sleeve of the main cylinder of the oil press is replaced, and damage to other parts in the replacement process of the guide sleeve of the main cylinder is reduced.

The utility model discloses a pot mouth sealing structure and a pot cover, the pot mouth sealing structure is detachably connected to the pot cover, and the pot mouth sealing structure comprises a cover plate which is detachably connected to the pot cover; the sealing ring is arranged on the outer edge of the cover plate in a sleeving manner; the fixed knob can penetrate through the cover plate to be connected to the pot cover, and the fixed knob can rotate relative to the cover plate. The pot cover is provided with a pressure bearing plate, and a fixing column matched with the fixing rotary knob is arranged on the pressure bearing plate. Through the detachable structure (the cover plate, the sealing ring and the fixed knob), parts are convenient to clean or replace, and the user experience is improved; the rotation function of the fixed knob allows adjustment of sealing pressure to adapt to different pot opening states (such as thermal expansion and cold contraction), and excessive compression or failure of the sealing ring is avoided.

A feeder for reducing the pressure of grain on a grain dispensing system includes a grain storage device for holding grain, a grain outlet for grain outflow, and a grain dispensing system disposed within the grain storage device to intermittently guide grain into the outlet. A grain retainer is also disposed within the grain storage device, shielding the grain dispensing system, and the orthographic projection of the retainer towards the grain dispensing system covers the system. At least one leakage port is provided on the retainer for grain to leak out towards the grain dispensing system. This technical solution reduces the resistance of the grain within the grain storage device to the grain dispensing system when the system is activated, effectively protecting the normal operation of the grain dispensing system and extending its service life.

The application relates to the field of locking members, in particular to an adjusting sheet and a self-tightening adjusting device applying the adjusting sheet, which comprises a sheet body, one side of the sheet body is connected with an embedded block, the other side of the sheet body is provided with a limiting groove for embedding the embedded block, and the sheet body can fill the gap between a brake rail and a brake unit. In the application, the embedded block and the limiting groove are arranged, the volume of the thinned brake rail is filled, the stability of the interval between the brake rail and the brake unit is guaranteed, the contact position of the train wheel rim and the brake rail is constant, the lateral force change is avoided, the train braking distance is constant, and thus the safety of train driving is improved.

The invention belongs to the technical field of lifting platforms, and particularly relates to an automatic height adjusting hydraulic lifting platform for production and processing, which comprises a base, a hydraulic rod mounted on the surface of the base and a lifting platform mounted at the piston end of the hydraulic rod, after the lifting platform moves upwards to a certain position, the position can be automatically fixed, the position mode of the lifting platform is prevented from being changed during long-time jacking, it is ensured that the position of the lifting platform is accurately fixed in the working process, powerful support is provided for production of the wind power glass fiber pultrusion plate, and the supporting area of the wind power glass fiber pultrusion plate is increased; the platform can better disperse the borne weight, when heavy wind power glass fiber pultrusion plates are transported or machined, the platform can bear larger weight and cannot be damaged, the platform can adapt to machining tasks of more types and weights, the lateral deviation amount generated when the working platform ascends can be visually known, and the working efficiency is improved. When lateral deviation occurs, an alarm can be given in time, and the safety of aerial work of the hydraulic lifting platform is improved.

A negative Poisson's ratio composite explosion-proof material and its preparation method are disclosed. The material comprises a gradient chiral superstructure shape memory alloy skeleton reinforcement phase, a shear-thickening liquid filler, and a ceramic particle reinforcement phase. The shape memory alloy skeleton reinforcement phase is formed by horizontally arranging and axially stretching gradient structure negative Poisson's ratio cell units. The negative Poisson's ratio cell units are composed of a gradient array of four-ligament or six-ligament chiral honeycomb structures. A mixture of the shear-thickening liquid filler and the ceramic particle reinforcement phase is impregnated and filled into the shape memory alloy skeleton. After solidification, the negative Poisson's ratio composite explosion-proof material is formed. The volume percentage of the shape memory alloy skeleton reinforcement phase is 20%–60%, the volume percentage of the shear-thickening liquid filler is 20%–40%, and the volume percentage of the ceramic particle reinforcement phase is 10%–50%. The preparation method of this invention is scientifically sound and reasonable. The composite explosion-proof material exhibits low density, high impact strength, high fracture resistance, and good energy absorption and shock absorption properties, showing broad application prospects in explosion-proof, bulletproof, and lightweight armor protection.

The utility model relates to the technical field of tempered glass, and discloses fireproof and sound-proof tempered glass which comprises a glass body, a protective frame is fixedly installed at the bottom of the glass body, a lateral frame is fixedly installed on the side wall of the glass body, an inclined groove is formed in the upper surface of the protective frame, and the inclined groove is communicated with the protective frame. A blocking assembly is arranged in the protection frame. Through the arrangement of the blocking assembly, when tempered glass is affected by nearby fire disasters, due to the influence of temperature rise on carbon dioxide gas in an expansion airbag, expansion of the expansion airbag enables a telescopic plate to upwards jack a blocking plate, and then a connecting part between a glass body and a protective frame is blocked and protected; meanwhile, the protection barrel is attached to the surface of the glass body, and the concave part on the arc-shaped outer wall of the protection barrel is damaged firstly when being directly influenced by flames, so that water is discharged outwards, the surface of the glass body is wetted, the edge of the glass body is prevented from being softened and cracked, and the fire resistance of the tempered glass is improved.

The invention belongs to the technical field of rainproof cloth preparation, and discloses multifunctional rainproof cloth and a preparation method thereof.The preparation method includes the steps that PVC plastic-coated cloth is selected as a base layer, and the base layer is pretreated for use; the preparation method comprises the following steps: mixing nano-scale inorganic particles, polyurethane resin, a silane coupling agent and a solvent in certain parts by mass, sieving, and standing to obtain a nano waterproof coating material; the method comprises the following steps: uniformly coating the surface of a base layer with a nano waterproof coating material to form a compact nano waterproof coating, carrying out heat treatment on the nano waterproof coating, coating the surface of the nano waterproof coating with an ultraviolet absorption layer, coating the outer side of the ultraviolet absorption layer with a hydrophobic nano composite material layer, and enhancing the hardness and wear resistance of the coating by utilizing a curing technology; and testing the performance of the prepared multifunctional rainproof cloth. By coating the nano waterproof coating material, a compact waterproof layer is formed, moisture permeation is effectively blocked, the waterproof performance of the waterproof cloth is ensured, and the balance of waterproofness and breathability can be realized.

The invention relates to an annular ring (3), comprising a contact portion (3-1), a raceway (9) and a cage (3-2) fixed to the contact portion (3-1). The contact portion (3-1) is formed of a first metal material, the cage (3-2) is formed of a second composite material, the second composite material comprising a matrix in which reinforcing fibers are embedded, the perforated portion (13) of the cage (3-2) being attached to an outer surface (8) of the contact portion (3-1). The invention also relates to a bearing assembly (1), the bearing assembly having a rolling element, the rolling element having an outer ring, an inner ring (2) coaxial with the ring, and a plurality of rolling elements (4) accommodated between the raceway (9) of the contact portion (3-1) of the outer ring (3) and the raceway (6) of the inner ring (2).