93results about How to "Reduce deformation damage" patented technology

The invention provides an electrode current collector material of a lithium ion battery and a method for preparing the material. The method comprises the following steps of: coating a carbon layer on the surface of a copper foil or an aluminum foil, wherein the thickness of the coated carbon layer is 0.003-0.015mm; and depositing the carbon layer on the surface of the copper foil or the aluminum foil by utilizing a physical vapor deposition method, and then carrying out thermal treatment. While ensuring the conductive property of the material as a current collector, the material improves the chemical property of easy oxidization of the foil in the working process of the battery, enhances the corrosion resisting property of the foil, and can effectively prevent a metal dendritic crystal produced by the lithium ion battery in the working process due to reaction, increase the safety performance of the battery, reduce the internal resistance of the battery and effectively prolong the service life of the battery. The process has the advantages of low temperature, less distortion and damage on the material, low energy consumption, less pollution and lower cost.

The invention provides a prestress assembly type high-performance concrete-filled square steel tubular column-concrete beam joint. The joint comprises a concrete-filled square steel tubular column, reinforced concrete beams and prestressing tendons, wherein prestressing tendon channels matched with one another are arranged in the concrete-filled square steel tubular column and the reinforced concrete beams; the concrete-filled square steel tubular column is connected with the insides of the reinforced concrete beams through the prestressing tendons penetrating through the prestressing tendon channels; the concrete-filled square steel tubular column is connected with outsides of the reinforced concrete beams through angle steel. The main construction steps are as follows: (1) manufacturing of the concrete-filled square steel tubular column; (2) manufacturing of the concrete beams; (3) on-site mounting. Compared with common beam-column joints, the joint has the advantages that the ductility is good, construction is simple and convenient, members are easy to replace, the anti-seismic performance is good and the like.

The invention discloses a quick pressing method for a bamboo skin plywood and a laminated wood. On the basis of the traditional ''cold feeding-hot pressing-cold discharging'' process production line for producing the bamboo skin plywood and the laminated wood, the bamboo skin plywood and the laminated wood can be quickly pressed under the condition that the hot press of the traditional production line is only subjected to small transformation (which is characterized in that one program pressure reduction component is installed in the traditional press); the sized bamboo skin is paved into the bamboo skin plywood in the orthogonal direction or is paved into the bamboo skin laminated wood in the forward direction; the bamboo skin plywood or the bamboo skin laminated wood is put into the hot press; adhesive in the board can be solidified at high temperature and high pressure so as to form a board product by high-pressure forming; then, under the condition that the hot-pressing temperature in the hot press is not lowered, more than three sections of pressure relief processes are implemented; steam in the board is controlled to be released in order; and a finished product is taken out. Compared with the traditional ''cold feeding-hot pressing-cold discharging'' board pressing mode, the quick pressing method disclosed by the invention is characterized in that more than 60% of energy can be saved when being used for preparing the bamboo skin plywood and the bamboo skin laminated wood, and the production efficiency is improved by more than one time.

The invention relates to a light and thin composite hot water heating floor which belongs to the technical field of heating. The floor structure comprises a ground decoration layer, an upper-layer metal heat-conducting layer, a heating pipe, a lower-layer metal heat-conducting layer, a calcium silicate board, a thermal insulation layer and a floor plate. The calcium silicate board can enhance pressure resistance, anti-aging deformation property and durability of the floor and enhance the heat conductivity in the heating pipe; a composite heat-conducting structure consists of the upper-layer metal heat-conducting layer, the heating layer coated with a metal film on the outer surface, the lower-layer metal heat-conducting layer and the calcium silicate board can effectively enhance the heat transfer of the floor structure layer, lead the ground temperature to be even, reduce the impacts of temperature stress and avoid the deformation and the damage of the floor; and the composite heat-conducting structure is combined with the thermal insulation layer therebelow, thereby being conductive to mounting and leveling and reducing the downward heat loss. The floor structure can simultaneously improve mechanical and thermal performances, be applicable to a variety of surface layers of wood floors, cement, tiles, stones and the like of newly built and existing buildings, solve the limitations of dry floor applications, avoid the shortcomings of the wet floor structure and realize strong adaptability, simple construction and convenient maintenance.

The invention provides a pre-stress fabricated high-performance circular steel tube concrete pillar-concrete beam node. The node comprises a concrete pillar, reinforced concrete beams and prestressed tendons; prestressed tendon hole passages which are mutually matched are formed in the concrete pillar and the reinforced concrete beams correspondingly; the square steel tube concrete pillar and the interiors of the reinforced concrete beams are connected through the prestressed tendons penetrating through the prestressed tendon hole passages; and the square steel tube concrete pillar and the exteriors of the reinforced concrete beams are connected through angle iron. According to the main construction steps of the pre-stress fabricated high-performance circular steel tube concrete pillar-concrete beam node, (1) the steel tube concrete pillar is manufactured; (2) the concrete beams are manufactured; and (3) on-site mounting is conducted. Compared with a common beam pillar node, the fabricated node has the advantages that ductility is good, construction is easy and convenient, components are easy to replace, and seismic performance is good.

The invention discloses an anti-collision guardrail with a buffering function, and belongs to the field of guardrails. The device comprises a corrugated guardrail and further comprises a one-time buffering mechanism. The one-time buffering mechanism comprises a plurality of rollers, guide blocks arranged at the upper ends of the rollers and in one-to-one correspondence with the rollers, upper support plates arranged at the lower ends of the rollers and in one-to-one correspondence with the rollers and a plurality of guide wheels rotationally arranged on the corrugated guardrail. The rollers can rotate relative to the guide blocks and the upper support plates. The upper support plates are slidably arranged on a mounting foundation. Guide grooves are formed in the guide blocks. Guide wheelsare located in the guide grooves. Every two adjacent guide blocks are connected through a reset spring. According to the anti-collision guardrail with the buffering function, the one-time buffering mechanism enables a vehicle to generate a certain guiding effect under the driving of the rotation of the rollers during impact, so that the possibility of rollover is reduced, deformation and damage caused by impact force on the rollers can be reduced, meanwhile, the impact force of the vehicle can be absorbed by the energy consumption, and the damage degree of the vehicle is reduced.

The invention relates to a manufacturing method of a dustproof unit. The dustproof unit is used for a linear motion device and provided with a track dustproof element and an end cover dustproof element, wherein the track dustproof element is connected with a rolling ball nut cap of the linear motion device, and the end cover dustproof element is connected with an end cover of the linear motion device. The manufacturing method comprises the following steps: integrally molding the track dustproof element and the end cover dustproof element; and combining a buffering element with the track dustproof element and the end cover dustproof element so as to form the dustproof unit.

The invention provides a method for supporting a roadway with a rock burst risk based on a double-quilt-cylinder protection theory, and relates to the technical field of rock burst prevention and control and roadway supporting. The method comprises the steps that when the roadway is tunneled to an area with the rock burst risk, a pressure relief mode and pressure relief parameters are determined according to mining conditions and geological conditions, three-dimensional pressure relief is conducted on a lagging tunneling face or an advance roadway, and a pressure relief and energy absorption quilt cylinder is formed; and according to the coal seam thickness, the roof thickness and the roadway section size, the anchor rod type, the anchor rod row spacing, the anchor cable type and the anchor cable row spacing are determined, the supporting safety coefficient is calculated, the integrity of primary supporting of the roadway is strengthened through an anchor net, anchor rods and anchor cables, and a supporting quilt cylinder is formed. By means of the method, the pressure relief and energy absorption quilt cylinder is formed to form a yielding structure, and the supporting quilt cylinder guarantees the supporting strength. The double-quilt-cylinder structure achieves overall stress and overall shrinkage yielding of the roadway, so that the stability of surrounding rocks is improved, and rock burst is effectively prevented.

The invention discloses a lower hinge assembly of a fridge door, which comprises a bent step hinge seat (1) and a hinge shaft (2). The hinge shaft (2) is arranged on a first step (11) of the hinge seat (1) and is rotatably connected with the bottom of a fridge door. A hinge is fixedly connected with the bottom of a fridge door through fixing holes arranged on a second step (12) of the hinge seat (1). An adjusting mechanism used for balance adjustment of a fridge is arranged on the first step (11). The adjusting mechanism is composed of an adjusting screw (3) and an adjusting foot (4). The adjusting screw (3) is fixedly arranged at the bottom of the first step (11) and the adjusting foot (4) is matched with the adjusting screw (3) in a threaded manner. Due to the fact that the adjusting foot is mounted near the lower hinge shaft, namely the stress point, below the hinge seat, the adjusting foot is convenient in installation and adjustment and capable of bearing load caused by opening doors of a refrigerating chamber and a freezing chamber so that tendency of leaning forward of the fridge can be avoided and the running normality of the fridge can be guaranteed.

The embodiment of the invention provides a mining impingement prevention anchor rod and a mounting method thereof. The mining impingement prevention anchor rod comprises a rod body and a yielding structure. One end of the rod body is anchored into a preset drill hole in surrounding rock of a mine. The yielding structure is arranged on the rod body in a sleeving mode through the other end of the rod body and attached to the surface of the surrounding rock. The yielding structure is used for diffusing and releasing the surrounding rock stress, generated due to impact ground pressure, in the surrounding rock. By means of the mining impingement prevention anchor rod and the mounting method thereof, the surrounding stress generated by impact ground pressure is diffused and released to a certain degree, the service life of the anchor rod is prolonged, normal use of a roadway under the impact ground pressure is guaranteed, and safety production is guaranteed.

The invention relates to an optical film, a die used for forming the optical film and a manufacturing method of the die. The optical film comprises a substrate, a plurality of prisms intermittently and convexly arranged on the top surface of the substrate and a plurality of spherical lenses respectively and convexly arranged on the peak of the prisms. Each prism is provided with two opposite inclined planes which extend upward obliquely to form a vertex angle. The spherical lenses provided with circular arc external surface extend externally consubstantially from the two inclined planes of the prism and is higher than the vertex angle of the prism. By the structure design of forming the spherical lens higher than the vertex angle of the prism on the prism peak, not only the distortion resistance and the scratch resistance of the prism vertex angle can be greatly improved, but also irregular refraction is generated by the optical line penetrating the optical film upward so as to improve the situation of a strip bright part and a strip dark part of the common optical film arrayed at interval, thus improving the imaging quality of monitors.

The invention discloses a prestressed fabricated high-performance reinforced concrete beam-column joint. The joint comprises a concrete column, a reinforced concrete beam and a prestressed tendon. Matched prestressed tendon ducts are arranged inside the concrete column and the reinforced concrete beam respectively. The interior of the concrete column and the interior of the reinforced concrete beam are connected through the prestressed tendon penetrating through the prestressed tendon ducts. The exterior of the concrete column and the exterior of the reinforced concrete beam are connected through angle iron. A method comprises the main construction steps of 1 manufacturing the concrete filled steel tubular column, 2 manufacturing the concrete beam and 3 performing on-site installation. Compared with a common beam column joint, the fabricated joint has the advantages of being good in ductility, easy and convenient to construct, capable of easily replacing components, good in anti-seismic property and the like.

The invention relates to a testing fixture, and discloses a car light testing fixture with separation and integration functions. The car light testing fixture comprises a testing fixture base and a testing fixture main body. The testing fixture main body is fixed on the testing fixture base; the testing fixture base is divided into two parts, i.e., a first testing fixture base and a second testing fixture base; the first testing fixture base and the second testing fixture base are detachably connected; the testing fixture main body comprises a first testing fixture main body for detecting an A lamp and a second testing fixture main body for detecting a B lamp; the first testing fixture main body is fixed on the first testing fixture base; and the second testing fixture is fixed on the second testing fixture base. The separation and integration of the whole car light testing fixture can be finished through the assembling and dismounting between the first testing fixture base and the second testing fixture base so that the separation detection and integration detection of an AB lamp can be realized.

The invention discloses an arch rubber fender with a frame device. The arch rubber fender structurally comprises a body, a first connecting plate, a guard plate, fixing shafts and a second connecting plate. The body, the first connecting plate and the guard plate are of an integrally formed structure, the guard plate is connected to the top of the upper part of the body, and the other end of the body is connected to the top of the left side of the first connecting plate; the second connecting plate and the body are of an integrally formed structure, and the second connecting plate is connected to the bottom of the other side of the body; the fixing shafts are connected to the middle of the body in a penetrating mode through round connecting holes. The first connecting plate is provided with fixing grooves and connecting holes, the fixing grooves, the connecting holes and the first connecting plate are of an integrally formed structure, the connecting holes are connected in the fixing grooves, and the fixing grooves are connected to the upper surface of the first connecting plate. The arch rubber fender can be fixed more effectively, deformation or damage caused by impact is greatly reduced, the fender can be protected better, ships and wharves can be protected more effectively, and practicability can be improved.

The invention discloses a paint bucket. The paint bucket is characterized in that the peripheral wall of a circular bucket body is provided with a plurality of convex circular rings protruding outwards; a circular bucket cover with the circular-arc-shaped edge is arranged on the upper portion of the circular bucket body; the circular bucket cover is provided with a paint outlet; and a small cover is arranged on the paint outlet. Through the arrangement of the convex circular rings on the peripheral wall of the circular bucket body and the circular bucket cover with the circular-arc-shaped edge, the probability of deformation and damage to the paint bucket can be reduced. Through the arrangement of the paint outlet in the circular bucket cover, the quality of the paint which is not poured out of the bucket can be effectively maintained so as to facilitate use next time.

The invention discloses a high-latitude forest region island-shaped frozen soil roadbed structure and a construction method, and the construction method comprises the following steps: impacting and rolling filled sheet and block stones with the thickness of 1m below a horizon, filling a sheet and block stone layer with the thickness of 50cm above the sheet and block stones, then paving two pieces of cloth and one film, then filling a gravel lower cushion layer with the thickness of 50cm, filling a gravel upper cushion layer with the thickness of 1 m is filled after inverted filter geotechnical cloth is laid on the top layer of the roadbed, setting a row of hot bar structures on each of the two sides of the roadbed, and setting a slope protection channel and a drainage ditch. The water-heat exchange balance condition in the frozen soil roadbed in the high-latitude forest region can be adjusted and maintained, the frozen soil melting amplitude and uneven deformation of the frozen soil roadbed are reduced, the stability of the roadbed structure is improved, the service life of the road is prolonged, and the later maintenance cost of the road is reduced.

The invention discloses a multi-section anchoring energy dissipation yielding anchor rod for rockburst and an anchoring method. The anchor rod aims to effectively release elastic energy of surroundingrock in a high ground stress environment, avoid disasters such as the rockburst and effectively avoid the problems of anchor disengaging, pulling out, snapping and the like of the anchor rod, so thatthe stability of the tunnel surrounding rock is improved, and the construction safety is guaranteed. A rod body is sleeved with at least two longitudinally-spaced yielding sleeves; the yielding sleeves are tightly fixed to the rod body through rubber rings at the two ends; annular serrated knives connected with the yielding sleeves in a welded mode are arranged on the outer walls of the yieldingsleeves at intervals in the longitudinal direction; the outer diameters of the annular serrated knives are matched with the hole diameters of stress release holes; a plurality of sets of front anchoring blocks and rear anchoring blocks are welded to the inner walls of the yielding sleeves at intervals in the longitudinal direction; middle anchoring blocks are welded to the portions, between the front anchoring blocks and the rear anchoring blocks, of the rod body; and elastic bodies are arranged among the middle anchoring blocks and the corresponding end faces of the front anchoring blocks andthe rear anchoring blocks.

The invention aims at providing a collagen extraction tank capable of avoiding smashing of stirring blades during feed. The collagen extraction tank comprises a tank body, wherein a feed port is formed at the top of the tank body; a discharge port is formed at the bottom of the tank body; a stirring device is further arranged in the tank body; a feed slide plate extending into the tank body is arranged at the feed port and is in a grooved structure consisting of groove walls on the two sides and an oblique groove bottom at the bottom. During the feed, raw materials such as frozen fishskin andthe like are fed from the feed port and slide down along the feed slide plate; due to guide and limitation of the groove walls on the two sides, the raw materials can only fall off from a notch of thefeed slide plate, rather than other positions such as the two sides; and the smashing of the stirring blades when the raw materials fall can be avoided as long as the stirring blades of the stirringdevice are not located under the notch. Certainly, collagen extraction water is preferably injected into a tank body before the feed; the stirring blades are immersed in the collagen extraction water;the collagen extraction water generates a cushioning effect; and an impact force when the raw materials fall can be reduced.

The invention relates to an arch dam, particularly to a reinforcing structure of an arch-dam force-resisting body foundation. The reinforcing structure comprises an arch-end basic area, a weak-rock zone, a low-wave-speed rock zone and a III-class rock mass area, which are arranged in the direction of arch thrust of an arch dam in sequence, wherein a concrete pedestal is arranged in the arch-end basic area; the weak-rock zone and the low-wave-speed rock zone are subjected to reinforcing treatment of concrete consolidation grouting; grid-type hole-filled concrete structures are arranged in the weak-rock zone; force transmitting holes are formed in the direction of arch thrust of the arch dam; one end of each force transmitting hole is connected with the concrete pedestal, and the other end of each force transmitting hole penetrates through the weak-rock zone and the low-wave-speed rock zone and horizontally extends into the III-class rock mass area; and a drainage system is arranged in the reinforcing structure. The invention provides the reinforcing structure of the arch-dam force-resisting body foundation, which has good rigidity and high anti-deforming capability.

The invention discloses an axial impact vibration drilling tool with adjustable impact characteristics. The axial impact vibration drilling tool comprises an upper joint, a bypass valve, a screw motor, a shell, a power input shaft, a universal shaft, a centering bearing, an axial vibration generating device and a lower joint, wherein the axial vibration generating device comprises a vibration starting shaft, a ball, a plane bearing, a spring assembly and a cam body. According to the tool, the screw motor is driven by underground drilling fluids, the vibration starting shaft is driven to rotateby the universal shaft, the ball on the step face of the outer side of the middle of the vibration starting shaft moves in a guide groove in the upper end of the cam body, the guide groove is a spacecam type rail, a periodic step height difference exists, and the ball periodically ascends and descends when moving in the guide groove. According to the axial impact vibration drilling tool, drill bit pressurization can be achieved at the bottom of a well, the mechanical drilling speed is increased, the mechanical drilling speed of drilling of a corresponding destination layer can be increased,and impact vibration characteristics can be regulated and controlled in cooperation with rock characteristics of different stratums, so that the optimal rock breaking efficiency is achieved, and the mechanical drilling speed of drilling of the corresponding destination layer is increased.

The invention relates to a separated continuous roll forming process for processing a continuous twin-beam light steel room-frame component. The process comprises the following steps: separating beam column components from a continuous roll forming machine by virtue of stamping, reinforcing and other processes, cutting / or / non-cutting the steel strips or rolling steel coils after stamping and reinforcing the strip steel, and feeding the processed steel strips into the continuous roll forming machine for molding or molding and cutting off. According to the separated continuous roll forming process, the beam column components are subjected to continuous complex precision machining, the transportation cost is saved, damage in the transportation process is reduced, and the process is further practical.

The invention discloses a rotor type expansion energy saver for carbon dioxide transcritical cycle in the technical field of carbon dioxide transcritical cycle. The rotor type expansion energy saver comprises an expansion energy saver body, an expansion cylinder air inlet pipe and an electromagnetic valve, wherein the expansion cylinder air inlet pipe is fixedly arranged on the outer wall of the left side of the expansion energy saver body, the expansion cylinder air inlet pipe comprises an outer pipe fixedly connected with the outer wall of the left side of the expansion energy saver body, aninner pipe is arranged in an inner cavity of the outer pipe, the right end of the inner pipe communicates with the outer wall of the left side of the expansion energy saver body, and supporting devices are uniformly arranged between the outer wall of the inner pipe and the inner wall of the outer pipe. According to the rotor type expansion energy saver, a telescopic spring stretches out and drawsback, so that a moving rod and a moving plate move, a buffering effect is achieved, the pressure caused by supercritical high-pressure carbon dioxide fluid entering the inner pipe to the inner wall of the inner pipe is reduced, the inner pipe is protected, the probability that the inner pipe is deformed due to the extrusion of high-pressure gas is reduced, and the service life of the expansion cylinder air inlet pipe is prolonged.

The invention relates to the technical field of wind power generation, in particular to a wind driven generator with wind resistance reducing blades. The wind driven generator comprises the blades, a rotating shaft, an adjusting mechanism, a power generation box body, a resistance mechanism and a transmission mechanism. The blades are arranged at the front end of the rotating shaft, the adjusting mechanism and the resistance mechanism are arranged in the middle of the outer wall of the rotating shaft, and the transmission mechanism is arranged in the rotating shaft. The tail end of the rotating shaft is arranged in the power generation box body, the rotating shaft is rotationally connected with the power generation box body, the ends, close to the rotating shaft, of the blades are fixedly connected with fixing columns, the fixing columns penetrate through the outer wall of the rotating shaft, and the outer walls of the fixing columns are fixedly connected with connecting bearings. According to the wind driven generator with the wind resistance reducing blades, the blades can be adjusted according to the wind speed, the normal work of the blades is ensured, meanwhile, the deformation and damage phenomena of the blades due to too large wind force are reduced, when the rotating shaft is too fast, the speed can be actively reduced, and the situation that the rotating shaft works in an overheat environment for a long time and is damaged is avoided.

The invention belongs to the technical field of building shock absorption equipment, and relates to a wall type viscous damper. The wall type viscous damper comprises a box body, wherein liquid storage is respectively arranged at two ends of the box body along the width direction, the liquid storage is connected with an inner cavity of the box body, damping viscous liquid is arranged in the box body, a partition plate arranged in the box body divides the box body into two chambers which are connected with each other; two sheared steel plates arranged in parallel are fixedly disposed on the bottom surface of a upper connecting plate, the two sheared steel plates extend into the box body and are spaced by the partition plate, the opposite plate surfaces of the two sheared steel plates are respectively provided with limiting blocks, and the limiting blocks are in abutting contact with the corresponding partition plate. The damper has the advantages of high strength, stable and reliable work; and the arranged liquid storage is capable of reducing bubbles generated when the sheared steel plate moves, thereby making the output of the damper more stable.

The invention relates to the technical field of anti-collision guardrails, in particular to a self-reset high-speed anti-collision guardrail, comprising a vertical column, a buffer device and a waveform guardrail plate, the vertical column is vertically fixed, the waveform guardrail plate is arranged on the front side of the vertical column, and the two are assembled into a unified whole through the buffer device; and the vertical column is a hollow pipe, the top part is provided with a column cap, the front and rear sides are provided with screw holes, the middle and lower part is provided with a fixed plate, a limiting column is arranged between the column cap and the fixed plate, and a limiting hole is arranged in the limiting column. As the ultra-high molecular polyethylene (PE) stickpanel is arranged on the surface of the waveform guardrail plate, the friction coefficient (less than 0.2) between the vehicle and the waveform guardrail plate can be reduced, the shear force generated by the vehicle collision with the waveform guardrail plate is greatly reduced, the service life of the waveform guardrail plate is not only prolonged, but also the occurrence probability of the overturning accident is effectively reduced.

The invention relates to the field of automatic machining devices, in particular to special buckle automatic machining equipment for integrated wallboards. The equipment comprises a worktable, a conveying belt, tool devices, a loading device, a punching device, a cutting device and a bend forming device; the worktable is of a rectangular plate structure; the conveying belt is arranged in middle ofthe worktable for dividing the worktable into a left guide table and a right guide table; the tool devices are uniformly arranged in the middle position of the conveying belt; positioning devices arearranged at the side parts, near the tool devices, of the left guide table; the loading device comprises a loading mechanism and a conveying mechanism; the loading mechanism is arranged at the side part of the left guide table; and the conveying mechanism, the punching device, the cutting device and the bend forming device are arranged on the worktable in sequence. The equipment greatly improvesthe machining efficiency of special buckles for the integrated wallboards.

The invention belongs to the technical field of pipe joints, and particularly relates to an anti-failure joint for mine exploration equipment. The anti-failure joint comprises a connector, the connector comprises a joint female body and a joint column body which are matched with each other, and a fixing mechanism is arranged outside the connector. The fixing mechanism comprises a fixing ring, extension plates, elastic claws, clamping blocks, sleeves, annular grooves, clamping grooves and push rods, wherein the fixing ring fixedly sleeves the joint column body, one ends of the extension plates are fixed to the side wall of the fixing ring, the extension plates are coaxial with the joint column body, the multiple sets of elastic claws are arranged on the side walls of the ends of the extension plates in an annular array mode, and two elastic claws in each set are symmetrically arranged. The elastic claws are extruded by the push rods to deform, so that the two clamping blocks move in opposite directions to be buckled into the clamping grooves, connection is more stable, and the anti-disconnection effect is good; and rubber rings and damping springs provide good damping buffering, deformation damage to the connection position of the connector caused by equipment vibration is reduced, and the connection failure is avoided.