61results about How to "Avoid washing out" patented technology

The invention is suitable for the field of ecological restoration engineering, and provides a high and steep rock slope ecological restoration structure. The structure comprises multiple stages of gentle slope belts, each stage of gentle slope belt comprises a rock slope body and a gentle slope platform, a drainage ditch is formed in each gentle slope platform, and water stopping ditches are formed in the two sides of each rock slope body which is further provided with a plurality of plant growing strips; each stage of gentle slope belt is further provided with a supporting assembly and a reinforcing assembly used for reinforcing the rock slope body and the plant growing strips of the gentle slope belt; each stage of gentle slope belt is further provided with a growing substrate layer and seed mixtures sown on the growing substrate layer, each supporting assembly comprises an iron wire net and a plurality of supporting anchor rods, the plant growing strips are installed on the iron wire nets, and each reinforcing assembly comprises an active protecting net and a plurality of reinforcing anchor rods. The invention further discloses a high and steep rock slope ecological restoration method. Because the reinforcing assemblies and the supporting assemblies are arranged on the rock slope bodies, the rock slope bodies, the plant growing strips and the growing substrate layers are reinforced, and plant growing stability and plant growing safety are improved.

The invention provides a clamping spring loading device of a ball valve automatic assembling machine, belongs to the technical field of machinery, and aims to solve the problems that an existing ball valve is assembled manually, the assembling efficiency is low, and the labor cost is high and the like. According to the clamping spring loading device of the ball valve automatic assembling machine, the ball valve automatic assembling machine comprises an operating table which his fixedly connected with a mold seat, wherein the mold seat moves together with the operating table; and the clamping spring loading device is arranged at the side edge of the operating table, and comprises a rack, a vibration material disc and a driving mechanism, wherein the top of the rack is fixedly connected with a horizontal guide rail which is movably connected with a manipulator, a material outlet of the vibration material disc is provided with a slide block, the slide block is provided with a material receiving groove, the driving mechanism can drive the slide block to perform reciprocating motion between the material outlet of the vibration material disc and the manipulator, and the manipulator can convey a clamping spring in the material receiving groove into a valve body at the mold seat. The clamping spring loading device has the advantages of high automation degree, capability of improving the assembling efficiency of the ball valve and the like.

The invention provides a device and a method for measuring downhole liquid production profile flow and water holding capacity. A motor is connected with a reducer unit through a transmission shaft and a coupler, the coupler is connected with an umbrella closing cup, the upper end of the transmission shaft is fixed through a wire passing plate which is fixed on a flow collection frame, a flow collection umbrella is fixed on the flow collection frame, and a turbine flowmeter, a capacitance sensor, a temperature pressure sensor and a halter are arranged on the upper portion of the flow collection umbrella from bottom to top in sequence. A gap exists between the flow collection umbrella and a sleeve in a well, a flow-split type flow measuring method is used, and a liquid production amount value measured by the turbine flowmeter divides a flow-split coefficient to obtain liquid production amount. The loss caused by untight attachment of the flow collection umbrella and a sleeve tube and the like in a conventional method is avoided, and precision is improved. The capacitance sensor is used for measuring water holding capacity, water in oil-water two-phase flow which contacts insulative dielectric substance materials and an outer shell of the capacitance shell is used as a cathode of the capacitance sensor, sensor structure is simplified, susceptibility is improved, and measuring range of water holding capacity can be 0-100%.

A hydraulic prop having an anchoring force energy-absorbing buffering function comprises a prop main body part. An anchoring force energy-absorbing buffering mechanism part is arranged at the end of a movable column of the prop main body part, so as to overcome the shortcoming that an existing hydraulic prop is weak in impact resistance. When the hydraulic prop is subjected to impact of an external load and when the loading force is not enough to break open a clamping pin in an anchoring force supporting state, the impact load can be resisted through the rigid supporting of the clamping pin; and when the loading force exceeds the anchoring force supporting force of the clamping pin, the clamping pin cannot support an outer sleeve any longer and is obliged to retract towards an inner sleeve. While the clamping pin retracts, an energy-absorbing block is compressed in first time to absorb energy, precious buffering time is provided for the opening of a hydraulic prop safety valve, the safety valve is prevented from being damaged in an instant by huge impact force, the occurrence probability of cylinder explosion, sealing ring crushing and prop instability and bending is reduced, the impact resistance of the hydraulic prop is improved, and the safety factor of the hydraulic prop and a supporting system where the hydraulic prop is located is improved.

The invention discloses a hydraulic simulator platform infinitely rotating around a Z-axis. The upper end of a static platform foundation is coaxially provided with an annular gear and an annular guide rail in sequence; the lower ends of slide blocks in six moving members are in sliding connection with the annular guide rail respectively; the upper end of the slide block in each moving member is connected with a slide block fixing plate; a hydraulic motor is mounted on the lower end of an L-shaped motor fixing plate at one side of the slide block fixing plate; an outer gear is sleeved on a transmission shaft and engaged with the annular gear; four corners at the lower side of the slide block fixing plate are respectively provided with pulleys laminated with the convex edges of the internal and external side surfaces of the annular guide rail; and the control wires of a control box mounted in the static platform foundation are connected with six servo motors respectively. The simulator platform infinitely rotates around the Z axis so as to avoid a washout filter algorithm around the rotation direction of the Z axis, thereby effectively improving the authenticity of simulation, effectively improving the strokes in X, Y and Z directions, especially the Z direction and greatly increasing the working space of the simulator.

The invention discloses a device and a method for quickly constructing a small water cellar. The device disclosed by the invention comprises an inflatable air bag corresponding to the inner wall of the water cellar and a steel pipe for inflating the air bag, wherein the steel pipe is inserted into the air bag and is fixedly connected with an upper port and a lower port of the air bag in a sealing manner. The method for quickly constructing the small water cellar by use of the device comprises the steps of excavating a foundation pit, pouring to form a cellar bottom, putting a constructing device, charging air at 5-6kpa to the device, pouring to form cellar walls and a cellar top, sucking air in the device and taking out the device; using cement mortar, waterproof mortar and cement to treat fine aggregate concrete inner walls; and finally, mounting a cellar cover. The device and the method for quickly constructing the small water cellar have the characteristics of the structure is simple, the use is convenient, the labor can be saved, the cost is reduced, and the construction period is shortened. In addition, the constructed water cellar is firm and durable.

The invention discloses a hydraulic simulator platform free from a washout algorithm in the direction of rotation on a Z axis. A worm gear and an annular guide rail are fixed coaxially at the upper end of a stationary platform foundation sequentially; the lower ends of sliding blocks in six sets of moving components are slidably connected with the annular guide rail respectively; the upper end of the sliding block in each set of moving components is connected with a sliding block fixing plate; a hydraulic motor is mounted on a first fixing plate on one side of the sliding block fixing plate; an output shaft of the hydraulic motor is connected with a worm; the worm is meshed with the worm gear; pulleys, adhered to convex edges of internal and external surfaces of the annular guide rail, are mounted in four corners on the lower side of the sliding block fixing plate respectively; and control lines of a control box mounted in the stationary platform foundation are connected with six servo motors respectively. The simulator platform rotates on the Z axis infinitely to avoid the washout filter algorithm in the direction of rotation on the Z axis, thereby effectively improving the reality of simulation, effectively improving travels in X, Y and Z directions, particularly in the Z direction, and greatly increasing the working space of the simulator.

The invention discloses a worm gear pair-based simulator platform capable of infinitely rotating around a Z axis. A worm gear and a ring rail are coaxially fixed on the upper end of a static platform base in turn; the lower ends of sliding blocks in six sets of moving parts are connected with the ring rail in a sliding mode respectively; the upper end of the sliding block in each set of the moving parts is connected with a sliding block fixing plate; a servo motor is arranged on a first fixing plate on one side of the sliding block fixing plate through a speed reducer; an output shaft of the speed reducer is connected with a worm, and the worm is meshed with the worm gear; four corners on the lower side of the sliding block fixing plate are respectively provided with a pulley wheel which is jointed with convex edges of the inner and outer side surfaces of the ring rail; and a control wire arranged on a control box in the static platform base is connected with six servo motors respectively. The simulator platform infinitely rotates around the Z axis to avoid a leaching-out filtering algorithm in the rotation direction around the Z axis, so that the validity of simulation is effectively improved, the length of travel in X, Y, and Z direction in particular the Z direction is effectively improved, and the working space of the simulator is greatly increased.

The invention relates to a three-stage sedimentation tank, which is separated into a first treatment pool unit, a second treatment pool unit and a third treatment pool unit sequentially through a first filtration screen and a second filtration screen, wherein the first treatment pool unit is connected to a sewage discharge pipe, the bottom portion of the second treatment pool unit is provided with a first step, and the bottom portion of the third treatment pool unit is provided with a second step. According to the present invention, the high viscosity wastewater generated from glass edging is subjected to the three-stage sedimentation treatment, and the treated wastewater completely meets the standard of the water for edging.

The invention aims at providing a low-pressure pipeline pressurized leakage removing method. According to the method, pressurized leakage removing can be carried out on a technology pipeline with micro leakage, much inconvenience, caused by water supply and gas supply stop during overhauling, to technology pipeline conveying is avoided, and under most conditions, water supply and gas supply stop for overhauling is not allowed in a pipeline system. By the adoption of the method, the micro leakage appearing in the low-pressure technology pipeline can be subject to pressurized leakage removing under the condition without water supply and gas supply stop; the method is easy and convenient to operate and good in leakage removing effect; according to the method, a quick-setting type leaking stoppage agent is used firstly for leakage stoppage on the leakage position of the low-pressure technology pressurized pipeline, after curing, the pipeline leakage position is subject to leakage stoppage through a winding method, the technology pipeline with the micro leakage can be subject to pressurized leakage removing through the method, and much inconvenience, caused by water supply and gas supply stop during overhauling, to technology pipeline conveying is avoided.

The invention discloses a filtering and fire inhibiting device for a coal mine gas extraction pipeline. The filtering and fire inhibiting device comprises a filtering and fire inhibiting tank as well as a gas delivery assembly, a filtering medium assembly and a water quantity control and residue removal assembly which are mounted on the filtering and fire inhibiting tank. The filtering and fire inhibiting device has the characteristics of high filtering efficiency, simple structure, convenience in operation, work stability, economy, practicability and the like and can be applied to gas outlets of collecting pipes, gas extraction branch pipes, main pipes and the like of gas extraction drilling fields.

The invention relates to a tank-tank type liquid distributor which belongs to a liquid distribution element of a filler for heat transfer and mass transfer. The tank-tank type liquid distributor mainly comprises a first-stage tank, second-stage tanks, liquid guide tanks and clamping plates, wherein each second-stage tank is of a rectangular tank constituted by side surfaces and a bottom surface, big holes and small holes are formed on the two side surfaces, the big holes are positioned over the small holes, and a plurality of multiple groups of the big holes and the small holes are formed on the second-stage tanks; the second-stage tanks are arranged side by side for forming the shape of a circle and spaced and fixed by the clamping plates; the first-stage tank is of the rectangular tank constituted by the side surfaces and the bottom surface, and holes matched with the liquid guide tanks are formed on the bottom surface; upper bottom surfaces and lower bottom surfaces of the liquid guide tanks are sealed, the small holes are formed on the side surfaces of the liquid guide tanks, and the liquid guide tanks are embedded and fixed on the holes on the bottom surface of the first-stage tank; the first-stage tank is arranged on the circular surface constituted by the second-stage tanks in parallel and vertical along the length direction, the lower parts of the liquid guide tanks go deep into tanks of the second-stage tanks, and the liquid guide tank is arranged in each second-stage tank. The tank-tank type liquid distributor can effectively improve the uniformity of gas-liquid distribution, improve the mass transfer efficiency during the separation process and realize the enhancement of industrial integration process.

The invention relates to a numerical control punching machine, belonging to the machine tool device field. The numerical control punching machine consists of a machine body and a work table, wherein a punch, through which a mould can work, is arranged on the machine body; the machine body is broken through in the left and right directions; a left work table and a right work table are arranged in the left and right directions of the machine body; and locating devices are arranged on the left work table and the right work table. The numerical control punching machine has the following beneficial effects: 1, materials are directly delivered through the left work table and the right work table instead of turning the angle of the materials; the materials are quickly punched until to the material side; the production efficiency is improved; and 2, when the materials rotate, the deviation of the workpiece is effectively prevented; the materials are prevented from being damaged; and the merit factor is improved.

The invention discloses a hydraulic feeding numerical control press, and belongs to the field of machine tool equipment. The hydraulic feeding numerical control press comprises a positioning component, a blanking component and a hydraulic feeding component. The positioning component and the hydraulic feeding component are fixedly connected with the left end and the right end of the blanking component respectively. The positioning component comprises a servo motor, a small belt wheel, a synchronous belt, a large belt wheel, a ball screw, a cylindrical guide rail, a sliding base, a blocking finger and an approaching switch. The blanking component comprises a work table, a sliding block, a punching die and a press machine. The hydraulic feeding component comprises a feeding rack, a feeding sliding block and a feeding oil cylinder. The upper surface of the work table and the upper surface of the feeding sliding block are on the same horizontal line. The right end of the blocking finger is higher than the upper surface of the work table. The vertical line of a plunger chip of the punching die is parallel with the plane of the right end of the blocking finger. A workpiece does not make contact with the positioning component or the feeding component during positioning or feeding and cannot be worn, precision is high, stability is good, and the machining problem of positioning and supplying the large workpiece on the press is solved.

The invention relates to supporting equipment, in particular to supporting equipment for an unmanned drone aircraft. A technical problem to be solved is that the supporting equipment for the unmanned drone aircraft, which has the advantages of good buffering performance, good stability and good use effect, cannot be provided. To solve the technical problem, the invention provides the supporting equipment for the unmanned drone aircraft. The supporting equipment for the unmanned drone aircraft comprises a supporting frame, a supporting plate, a partition plate, a slide rail, a slide block, a first electric wheel, a pull rope, a wedge block, a guide plate, a second electric wheel, a first spring, a moving block and so on, wherein the supporting plate is welded at the bottom of the supporting frame;the partition plate is welded between the upper parts, on the left and right sides, of the supporting frames; the bottom of the partition plate is connected with the slide rail through a bolt; and the slide block is connected to the slide rail in a sliding way. As two buffering defenses are arranged, the supporting equipment for the unmanned drone aircraft is advantaged in that the impact force of the unmanned drone aircraft during landing can be buffered in a maximized way, parts in the unmanned drone aircraft can be prevented from being damaged by impact and the supporting equipment is provided with two supporting systems.

The invention discloses an automatic feeding mechanism of double punching machines. The automatic feeding mechanism comprises a frame, a loading mechanism, a taking mechanism and a main controller, and is characterized by further comprising two punching machines, two thickness measurers and blank detection positioning mechanisms; the metal thickness detectors and the loading mechanism are both fixed on the frame; the taking mechanism is positioned rightly above the loading mechanism; the two ends of the frame are respectively connected with the two punching machines; the punching machines are provided with the blank detection positioning mechanisms; the metal thickness detectors are positioned in the middle positions of the punching machines and the loading mechanism; the metal thickness detectors can detect the thickness of blanks sucked on the taking mechanism so as to judge the number of the sucked blanks; and in the process of the taking mechanism conveying the blanks to the punching machines, the number of the blanks is detected to prevent the damage of molds. In addition, when the blanks are put in the molds, photoelectric detectors on the punching machines can detect if the blanks are placed precisely, so that such problems as mold damage and punching safety are further guaranteed.

The invention discloses a fixed plate riveting and sleeving tool device which comprises a portal frame (1), riveting devices and a workbench (2). The two riveting devices are arranged between the portal frame (1) and the workbench (2). Each riveting device is composed of an air cylinder (3), a guide rail (4), a sliding block (5) and a limiting block (6). The guide rails (4) are perpendicular to the workbench (2) and arranged between the portal frame (1) and the workbench (2). The air cylinders (3) are perpendicular to the workbench (2) and fixedly mounted on the top of the portal frame (1). Piston rods of the air cylinders (3) penetrate through the portal frame (1) and are provided with the sliding blocks (5). The sliding blocks (5) are provided with male dies (7) used for extruding a bush and limiting blocks (6) used for limiting the sliding blocks (5). The opening of a female die (8) is upwards, and the female die (8) fixedly mounted on the workbench (2). The fixed plate riveting and sleeving tool device has the advantages of being low in maintenance cost, easy to operate, stable in riveting and high in production efficiency.

The invention discloses a continuous automatic feeding device of a punching machine. The device comprises a frame, a loading mechanism, a hoisting mechanism, a taking mechanism and the punching machine, and is characterized by further comprising a detecting disc, a blank detecting positioning mechanism and a control panel; the loading mechanism, the taking mechanism, the detecting disc and the control panel are all mounted on the frame; the detecting disc is positioned in the middle point between a taking position of the taking mechanism and a punching position of the punching machine; the blank detecting positioning mechanism is mounted on the punching machine; the frame is connected with the punching machine; and a blank on the loading mechanism is hoisted to the taking position through the hoisting mechanism, and is conveyed to the punching machine by the taking mechanism. The device accurately positions the blank to be punched through a taking mechanical arm, the detecting disc and a photoelectric detector on the punching machine, and guarantees the blank to be precisely put in the machining position each time.

The invention discloses an automatic feeding device for a punching machine. The automatic feeding device for the punching machine comprises a machine frame, feeding mechanisms, a fetching mechanism and the punching machine, and is characterized by further comprising a detection plate and a blank detecting and positioning mechanism, wherein the feeding mechanisms, the fetching mechanism and the detection plate are installed on the machine frame; the fetching mechanism is located above the feeding mechanisms and the detection plate; the detection plate is located in the midpoint between the fetching position of the fetching mechanism and the punching position of the punching machine; the machine frame is connected with the punching machine; the blank detecting and positioning mechanism is installed on the punching machine; and a blank is fed to the fetching position through the feeding mechanisms and then put on the detection plate through the fetching mechanism to wait for detection, after detection is finished, the fetching mechanism conveys the blank to the blank detecting and positioning mechanism on the punching machine, and after the blank detecting and positioning mechanism detects and positions the blank, the punching machine machines the blank. The automatic feeding device for the punching machine can achieve automatic conveying and feeding and can also achieve feeding of plates of different specifications.

The invention discloses a hydraulic simulator platform free from a washout algorithm in the direction of rotation on a Z axis. A worm gear and an annular guide rail are fixed coaxially at the upper end of a stationary platform foundation sequentially; the lower ends of sliding blocks in six sets of moving components are slidably connected with the annular guide rail respectively; the upper end ofthe sliding block in each set of moving components is connected with a sliding block fixing plate; a hydraulic motor is mounted on a first fixing plate on one side of the sliding block fixing plate; an output shaft of the hydraulic motor is connected with a worm; the worm is meshed with the worm gear; pulleys, adhered to convex edges of internal and external surfaces of the annular guide rail, are mounted in four corners on the lower side of the sliding block fixing plate respectively; and control lines of a control box mounted in the stationary platform foundation are connected with six servo motors respectively. The simulator platform rotates on the Z axis infinitely to avoid the washout filter algorithm in the direction of rotation on the Z axis, thereby effectively improving the reality of simulation, effectively improving travels in X, Y and Z directions, particularly in the Z direction, and greatly increasing the working space of the simulator.

The invention relates to a punching die for removing bur of a tubular product. The punching die comprises a lower die seat and an upper die seat, the upper end of the lower die seat is horizontally provided with a guide groove, and a lower die push plate is slidably installed in the guide groove; a first inclined face is arranged on one side of the upper end of the lower die push plate, an upper die push plate is arranged on the position, on one side, of the lower end of the upper die seat, and a second inclined face matched with the first inclined face is arranged on one side of the lower endof the upper die push plate; the upper end of the lower die seat is provided with a guide block, a reset device is arranged between the lower die push plate and the guide block, the middle of the guide block is transversely provided with a sliding side cutting edge, and one end of the side cutting edge is fixed to the side surface of the lower die push plate; and a product positioning seat is arranged on the position, on one side of the guide block, of the upper end of the lower die seat, the product positioning seat and a product unloading plate arranged at the upper end of the product positioning seat are combined to form a cavity, and one end of the side cutting edge extends into the cavity. The punching die has the characteristics that operation is accurate, the product qualificationrate is increased, and the machining efficiency is improved.

The invention discloses a multi-stage high-efficiency water purification equipment and a method thereof. The equipment comprises a plurality of communicated water purification buckets, wherein a piston is arranged in each water purification bucket; the center of each piston is connected with a piston rod; a hydraulic press is arranged at the top of each piston rod; a filtering device is arranged in each water purification bucket; the water purification bucket is provided with a water inlet and a water outlet, the water inlet of the farest upstream water purification bucket is connected with awater inlet pipe, a check valve is arranged close to the water inlet of the water inlet pipe, the water outlet of the water purification bucket is communicated with the water inlet of the adjacent downstream water purifying bucket through a transition water pipe, the position of the transition water pipe close to the water outlet is provided with a one-way valve, the position of the transition water pipe close to the water inlet is provided with a check valve, the water outlet of the farest downstream water purification bucket is connected with a water outlet pipe, and the position of the water outlet pipe close to the water outlet is provided with a one-way valve. The method comprises water source accessing, primary purification, secondary purification and sequential completion of purification. The method has the advantages of rapid water purification, high efficiency, simultaneous multi-stage filtration and small equipment volume.

The invention discloses a small hydroelectric generation device which comprises a device base. A water turbine is arranged on the outer surface of the device base. A water controlling plate is arranged in a water supply pipe. The top of the water controlling plate is connected with a water controlling valve through a water controlling valve rotating shaft. A turbine rotor base is arranged at the top end of the water supply pipe. A turbine rotor is arranged at the top of the turbine rotor base. A power transformation device is connected to one side of the turbine rotor base through a power wire. A power transformation rotating disc is arranged at the bottom end of the power transformation device. An operation box is arranged on the outer surface of the power transformation device. An operation box door is arranged on the surface of the operation box. A box door handle is arranged on one side of the operation box door. Switches are arranged in the operation box. A rocking bar sliding rail is arranged on one sides of the switches. A turbine rocking bar is arranged in the rocking bar sliding rail. A device top cover is arranged at the top end of the power transformation device. Pull rings are arranged at the top of the device top cover. Thus, by means of the small hydroelectric generation device, the power generation speed and efficiency of the device are improved when water flow is gentle through the strong turbine rotor of the device.

The invention provides an adjustable sunshade device for a livestock farm. The adjustable sunshade device comprises hoop pieces, first bolt nuts, adjustable support rod structures, U-shaped mounting seats, a crossbeam, hangers, slide pipes, a U-shaped hanging rod, a sunshade slide cover structure, slide blocks, adjusting bolts, side plate structures and ropes. By arranging the telescopic rods, fixed pipes and fastening bolts, the distance between the telescopic rods and the fixed pipes can be conveniently adjusted by loosening and tightening the fastening bolts, and then the height of the whole sunshade device is changed; by arranging a rotating shaft, a landing seat and an automatic centering bearing, the height of the sunshade device can be conveniently adjusted, and the mounting is facilitated; and by arranging a semicircle cover, a central seat and tripods, the safety of the whole structure can be improved, and good support and protection effects are achieved.

The invention discloses a novel tangent brick for the ingate of a cast steel pouring system. The tangent brick comprises a brick body; and a pouring channel is provided in the brick body and consists of an inclined section and a vertical section, wherein the vertical section and the inclined section smoothly transit and are communicated with each other and the inclined section and the vertical section form an included angle of 135 degrees. According to the invention, it is guaranteed that molten steel stationarily and smoothly enters into the ingate from a horizontal runner, which enables the problem that impurities enter into the molten steel because the molten steel has eroded the ingate tangent brick to be avoided; and the unique design of the pouring channel ensures that the molten steel enters into a mold cavity from the gate of the ingate along a tangential direction, which enables damage of a mold under the impact of the molten steel to be avoided, the purpose of no change of components before and after pouring of the molten steel to be achieved and cast quality to be improved.

The invention discloses an inverted charging injection mould charged with glue from a rear die, and the inverted charging injection mould comprises a front die cavity and a rear die core which are arranged oppositely, the front die cavity is fixed on an upper code template by a front die frame, the rear die core is fixed on a lower code template by a rear die frame, a hot runner spreader plate is arranged between the rear die core and the lower code template, a heat division runner sequentially passing through the rear die frame and the rear die core is arranged on the hot runner spreader plate, a glue injection nozzle extending into the front die cavity is arranged at the end of the heat division runner; the front end of the nozzle is provided with a buffer plate; the baffle plate is used for transferring and injecting high temperature, high pressure and high speed melt glue injected from the glue injection nozzle onto the rear die core, and avoids the direct impact of the cavity and damage of highlight surface, texuring surface or pattern surface of the cavity surface by impact, so that the mould maintenance cost can be reduced, the mould service life can be prolonged, fog phenomenon generating on the cavity surface can be solved, and the surface structure quality of injection molding products can be improved.

The invention relates to the technical field of sliding bearing machining, in particular to sliding bearing self-adaptive chamfering and drilling equipment which comprises a base and a material table and further comprises a controller, a clamping mechanism, a chamfering mechanism and a drilling mechanism. The chamfering mechanism comprises a driving assembly, two sliding plates, two turning tools and two angle adjusting assemblies, the drilling mechanism comprises a drill bit, a mounting table, a pushing assembly and a sliding assembly, the sliding assembly is arranged on the pushing assembly, and the drill bit is fixedly arranged on the sliding assembly; the rotating assembly, the driving assembly, the pushing assembly and all the angle adjusting assemblies are electrically connected with the controller, according to the self-adaptive chamfering drilling equipment for the sliding bearing, it can be prevented that the amount of solid lubricant embedded into the through hole is small through oblique drilling, then abrasion between a shaft sleeve and a shaft cover is reduced, and the service life of the shaft sleeve and the shaft cover is prolonged. The replacement or maintenance frequency of the sliding bearing is reduced, the use cost is reduced, and the maintenance efficiency is improved.

The invention discloses a chemiluminiscent microfluidic chip based on magnetic beads. The chemiluminiscent microfluidic chip comprises a chip body, wherein the chip body is provided with a sample cavity, a reaction cavity and a waste liquor cavity; the sample cavity is communicated with the reaction cavity through a sample feed pipe; the inner wall of the reaction cavity is arc-shaped, and a magnet enriching area for separating the magnetic beads through strong magnets is arranged on the inner wall of the reaction cavity. Therefore, for the microfluidic chip, the magnetic beads are collected and fixed during magnetic separation cleaning and can be stored, effective recovery can be realized, and loss of the magnetic beads due to circulating flushing of a cleaning solution is avoided.

The invention relates to an automatic horn air leakage detection device and a horn air leakage automatic detection method. The solenoid valve, the controller is electrically connected with the solenoid valve; the outer wall of the casing is equipped with an alarm, a water level box, and a water level sensor is installed on the water level box; both the water level sensor and the alarm are connected to the controller; the top plate of the casing The lifting cylinder connected with the starting sensor is fixed, and the upper mold connected with the lifting cylinder is arranged under the top plate of the casing; the upper mold has a first accommodating cavity, and the solenoid valve is connected with a gas delivery pipeline and communicates with the first gas delivery pipeline through the gas delivery pipeline. The lower mold has a second accommodation cavity; the water level box is connected to the second accommodation cavity; the horn to be tested is placed above the opening of the second accommodation cavity and sealed by an inner sealing ring. It can automatically and accurately judge the airtightness of each horn, achieve the purpose of automatic detection of air leakage, and reduce labor intensity.

A hydraulic prop having an anchoring force energy-absorbing buffering function comprises a prop main body part. An anchoring force energy-absorbing buffering mechanism part is arranged at the end of a movable column of the prop main body part, so as to overcome the shortcoming that an existing hydraulic prop is weak in impact resistance. When the hydraulic prop is subjected to impact of an external load and when the loading force is not enough to break open a clamping pin in an anchoring force supporting state, the impact load can be resisted through the rigid supporting of the clamping pin; and when the loading force exceeds the anchoring force supporting force of the clamping pin, the clamping pin cannot support an outer sleeve any longer and is obliged to retract towards an inner sleeve. While the clamping pin retracts, an energy-absorbing block is compressed in first time to absorb energy, precious buffering time is provided for the opening of a hydraulic prop safety valve, the safety valve is prevented from being damaged in an instant by huge impact force, the occurrence probability of cylinder explosion, sealing ring crushing and prop instability and bending is reduced, the impact resistance of the hydraulic prop is improved, and the safety factor of the hydraulic prop and a supporting system where the hydraulic prop is located is improved.