33results about How to "Quick impact" patented technology

The invention discloses a square pipe cutting device. The square pipe cutting device comprises a holding component, a cutter body and a cutter driving device, wherein the cutting body is arranged in the holding component, and a square pipe clamped in the holding component is cut under the control of the cutter driving device; the holding component comprises a holding body, and the holding body is provided with a cutter moving guide groove, and the bottom part of the holding body is further provided with a cutter cutting through groove; the middle between the cutter moving guide groove and the cutter cutting through groove is hollow for holding the square pipe to be cut; a first clamping square block and a second clamping square block for supporting the square pipe to be cut are respectively arranged on both sides of the cutter cutting through groove, and the first clamping square block and the second clamping square block are in a vertical V form along the axial direction of the square pipe cutting device; a cutter bit of the cutting cutter body is correspondingly formed to be a vertical V, thus the cutter point is aligned to the edge of the square pipe to be cut when the square pipe is cut. According to the square pipe cutting device, the square cutting can be rapidly completed with saved labor.

The invention relates to a numerically-controlled multi-point side-pressing frame hydraulic machine, which comprises a workbench and a sliding block, wherein a hydraulic cushion is arranged in the workbench; the hydraulic cushion is driven by a plurality of hydraulic cushion oil cylinders which are uniformly distributed in the workbench; the pressure of each hydraulic cushion oil cylinder can be independently controlled by a hydraulic oil circuit of the hydraulic cushion; the sliding block is driven by a sliding block oil cylinder; and a hydraulic buffering oil circuit and a fast pressure-relief oil circuit are arranged on the hydraulic oil circuit of the sliding block oil cylinder. The numerically-controlled multi-point side-pressing frame hydraulic machine has the advantages that: the pressure of each hydraulic cushion oil cylinder can be adjusted according to practical situations during pressing of a product; the product which is subjected to multi-point pressing is high in quality and low in rejection rate; under the action of the hydraulic buffering oil circuit, when the sliding block moves down at a lower speed, impaction or vibration cannot occur and the speed can be changed flexibly; and when the fast pressure-relief oil circuit performs pressure relief of the sliding block oil cylinder, short pressure-relief time, smooth pressure relief and no hydraulic impaction are ensured by secondary pressure relief.

The invention discloses air inflation type deodorization double-layer heating type cold and hot optional tea rolling equipment. Air inflation holes are formed uniformly in a rolling disc; an air cavity disc is arranged at the lower end of the rolling disc; an air cavity groove is formed in the air cavity disc; the air inflation holes are communicated with the air cavity groove; the air cavity groove is communication with an air source by air supply holes in the bottom surface; a retaining ring is arranged on the periphery of the rolling disc; an annular blow-off groove is formed between the retaining ring and the rolling disc; the annular blow-off groove is communicated with the air cavity groove; a pressure cap is arranged at the upper end of a rolling barrel; an air cylinder is arrangedin the center of the pressure cap; an arc-shaped reflection disc is arranged at the lower end of the air cylinder; a carbon fiber electric heating tube is arranged in the reflection disc; a transparent pressure plate is arranged at the front end of the reflection disc; exhaust holes are formed in the pressure cap; a displacement sensor is arranged on the air cylinder; an electric heating wire is arranged in the rolling disc. According to the equipment, the tea rolling quality can be improved, pressure regulating type rolling is performed fast and automatically, double-layer heating rolling isachieved, and the taste of tea caused by heaping for yellowing can be removed.

The invention discloses a hydraulic drive type ditch garbage intercepting device for a water conservancy project. The hydraulic drive type ditch garbage intercepting device comprises a frame, a reciprocating lead screw, an impeller and a clamping block, a filter screen is arranged at the inner side of the frame, a first bevel gear is in key connection with the lower end of the reciprocating lead screw, a sliding ring is arranged at the inner side of a first sliding groove, and a sliding block is arranged at the inner side of a second sliding groove; and a confluence cylinder is arranged at theouter side of the filter screen, a second bevel gear is in shaft connection with the interior of the lower end of the frame, a movable side plate is in shaft connection with the outer side of the frame, a supporting frame is arranged at the upper end of the frame, a pull rope is connected between the clamping block and a connecting shaft, a ditch body is arranged at the outer side of the frame, and limiting holes are formed in the surface of the outer wall of the ditch body. according to the hydraulic drive type ditch garbage intercepting device for the water conservancy project, interceptedgarbage can be automatically removed from a ditch through hydraulic power, the situation that normal water conveying of the ditch is affected due to blockage of the device is avoided, and meanwhile the intercepted garbage can be conveniently collected and treated in the later period.

The invention belongs to the technical field of power transmission lines, and discloses a design method for an important crossing of a power transmission line that can be quickly repaired. Erection of one-phase wire as a spare spare phase wire is usually run in parallel with the adjacent phase wire or grounded; if a phase wire of a certain circuit breaks, only the broken phase wire is removed to relieve the impact on the important facilities across; Change the jumper and replace the broken phase wire with the spare phase wire to quickly restore the power supply. After adopting the present invention, if an important spanning section of the transmission line is disconnected, the impact on important facilities can be quickly removed, the impact on the facility can be avoided, and the power supply can be quickly repaired and restored, which is convenient, fast and basically free of cost.

The invention discloses a method for electroplating samarium-cobalt magnets, which comprises the following steps: 1) performing pretreatment on the samarium-cobalt magnets; The time is T1; then use normal current to electroplate nickel, and the electroplating time is T2; finally, use small current to electroplate nickel, and the electroplating time is T3; T1 is less than T2 and T3; 3) Post-treatment the nickel-plated SmCo magnet. The present invention adopts high current electroplating nickel, normal current nickel electroplating and low current electroplating nickel sequentially during nickel electroplating to form different levels of current density electroplating combinations, preventing samarium cobalt magnetic steel parts from being corroded by acid nickel plating solution during nickel plating, forming Nickel coating with a certain thickness and fine surface crystallization ensures the appearance and protective performance of the nickel coating.

The invention discloses an automatic hydraulic shock source loop, device and system carried on a tunneling machine. An impact oil cylinder can rotate around a rotation type installing column, this characteristic is utilized for achieving two-freedom-degree action of the impact oil cylinder, by means of the ingenious design of the hydraulic loop, higher response speed and control precision of a high-frequency-response servo valve can be utilized for being combined with the oil supplementing effect of an energy storing device and design of a controller, oil can be supplied to a rodless cavity ofthe impact oil cylinder fast, and by means of the oil supplementing effect of a differential circuit, fast forward impacting of the impact oil cylinder is achieved. Automatic shock actuating and faststriking can be achieved, striking force can be adjusted, striking strength is uniform, and geology advanced prediction in the construction process of the tunneling machine is benefitted.

The invention relates to a hydraulic impactor regulated by a piston. The upper end of the shell of the hydraulic impactor regulated by the piston is threadedly connected to the upper conversion joint, and the lower end of the housing is provided with an anvil, and the lower end of the anvil is a lower conversion joint; The body is fastened in the shell, there is an upper spacer sleeve and an upper valve seat between the upper conversion joint and the cylinder body, the valve cover is installed in the upper valve seat, there are flow channels around the valve cover, the valve cover and the cylinder body form a valve chamber, The impact hammer extends into the valve chamber through the cylinder body, the bottom of the impact hammer contacts the casing, a low-pressure chamber is formed between the impact hammer and the cylinder body, the casing has a low-pressure hole, and the low-pressure hole connects the low-pressure chamber with the annular space; the impact hammer There is a cylinder at the upper end, and the first piston bottom plate is located in the cylinder; there is a valve cylinder at the upper end of the anvil, and the second piston bottom plate is located in the valve cylinder, and the second piston top plate is a free end. There is a piston groove at the bottom of the impact hammer, and the impact hammer is connected to the anvil. , the second piston top plate is located in the piston groove. The invention solves the problem of poor impact effect of the existing hydraulic impactor.

The invention discloses a power transaction high-concurrency declaration front-end response method and system. The method comprises the following steps: checking mass transaction declaration data acquired by external network service; and storing the verified transaction declaration data in a cache library preset by an external network. The power transaction platform provided by the invention has the supporting capability of ten-thousand-level concurrent transaction declaration, can effectively improve the data declaration efficiency of the extranet client, increases the response speed of the client, and improves the user experience.

The invention discloses a square pipe cutting device. The square pipe cutting device includes a housing assembly, a cutting tool body and a knife driving device. The square tube in the containing component realizes cutting; the containing component includes a containing body, which is provided with a knife moving guide groove, and a knife cutting through groove is arranged at the bottom thereof, which is hollowed out with the knife moving guide groove for accommodating the square pipe to be cut. Pipe, the first clamping block and the second clamping block for supporting the square tube to be cut are respectively arranged on both sides of the cutter cutting through groove, which form a vertical V-shaped angle along the axial direction of the square tube cutting device. , the cutter head of the cutting tool body corresponds to a vertical V-shaped angle, so that when cutting the square tube, the tip of the cutter is aligned with the edge of the square tube to be cut. The square tube cutting device realized according to the invention can complete labor-saving and fast square tube cutting.

The invention relates to an HL type high-strain pile-trialing method hammering system, comprising from up to down: a lock disk type detacher, a hammer and a retractable guide frame, wherein a box is arranged outside the lock disk type detacher; a lock disk is arranged in the box; the lock disk is a flat square shell; a lock catch is arranged on an upper surface of the shell; two side outside the lock catch are respectively provided with parallel lock arms; two long side faces of the lock disk are respectively equipped with two extension rods; a spring is mounted on a lower portion of one of two short side faces; the spring is connected with an extension rod control rope and an extension rod lock; four corners of the upper surface of the lock disk are respectively provided with hoisting holes along a diagonal direction; the hammer is a hammer body; a vertical lock head is arranged on the top of the hammer body; a hoisting nose is arranged on the lower portion of the lock head near to the hammer body; the retractable guide frame is a vertical frame and is composed of a basic joint and an adjustment joint; a longitudinal section of the basic joint is trapezoid; the basic joint is provided with a top face and a bottom face; bevel edges on two sides are composed of a lower segment, a middle segment and an upper segment from down to up; the longitudinal section of the adjustment joint are two rectangles, so that a new high-strain pile-trialing method hammering system is formed.

The invention discloses an oscillation impact testing device. The oscillation impact testing device comprises a sensor, an oscilloscope, a frame foundation, a barrel seat, two barrel connecting hoops, two barrels, a guide tube, a vehicle, a launcher and a launcher seat. The frame foundation is fixed onto a test stand, the barrel seat and the launcher seat are fixed to the two ends of the frame foundation respectively and are coaxial. The two barrels are coaxially connected with the barrel seat and the launcher seat through the barrel connecting hoops. The other ends of the two barrels are fixed to the inner portion of the guide tube. The vehicle is installed inside the barrel connected with the launcher seat. A plurality of pressure sensors are evenly arranged on the lateral walls of the two barrels in the axial direction. The pressure sensors are connected with the oscilloscope. The launcher is installed inside the launcher seat. By means of the oscillation impact testing device, the oscillation impact state inside a propellant bed bore can be better simulated, the mechanical property in the propellant powder action process can be evaluated objectively and truly, the basic performance of different propellant powder dynamic mechanical strengths is obtained by comparing the broken state of powder particles before collision and the broken state of the powder particles after collision and a technological means is provided for studying high-strength propellant powder and improving the technical level of high-gun-pressure guns.

The invention discloses a sanitary and environment-friendly facility for captive breeding of livestock farms, which comprises a captive breeding house. A house foundation is fixedly laid on the lowersurface of the captive breeding house, an entrance-exit is formed in the surface of the captive breeding house, ventilation nets are fixedly installed on the portions, located on the two sides of theentrance-exit, of the surface of the captive breeding house, and a drainage roof is fixedly installed on the upper surface of the captive breeding house. A mounting rod is fixedly mounted on the surface of the inner side of the captive breeding room, residue discharge channels are formed in the positions, close to the two sides, of the upper surface of the house foundation, an enclosing wall is fixedly mounted on the upper surface of the house foundation, and feeding troughs are fixedly mounted on the side, close to the residue discharge channels, of the surface of the enclosing wall. According to the sanitary and environment-friendly facility for captive breeding of livestock farms, troubles caused by manual excrement removal can be avoided, most harmful bacterium residues can be eliminated, bacterium propagation is inhibited, the risk caused by virus infection of livestock is reduced, a good ventilation and drying effect can be achieved, and breeding of harmful bacteria is prevented.

The invention relates to a hydraulic impactor regulated and controlled by a piston. The upper end of a shell of the hydraulic impactor regulated and controlled by the piston is connected with an upperportion switching joint in a threaded mode; the lower end of the shell is provided with an anvil; the lower end of the anvil is provided with a lower portion switching joint; a cylinder body is fastened in the shell; an upper portion spacing sleeve and an upper valve seat are arranged between the upper portion switching joint and the cylinder body; a valve cover is arranged in the upper valve seat; a passageway is arranged around the valve cover; a valve cavity is formed by the valve cover and the cylinder body; an impact hammer passes through the cylinder body and stretched into the valve cavity; the bottom of the impact hammer contacts with the shell; a low pressure cavity is formed between the impact hammer and the cylinder body; the shell is provided with a low voltage channel, and the a low pressure chamber communicates with a annulus by the low voltage channel; the upper end of the anvil is provided with a valve cylinder; a first piston bottom plate is located in the valve cylinder; the upper end of the anvil is provided with a valve barrel, and the second piston bottom plate is located in the valve barrel; the second piston bottom plate is a free end; the bottom of the impact hammer is provided with a piston groove; and when the piston is connected with the anvil, and a second piston top plate is located in the piston groove. The hydraulic impactor controlled by the piston solves the problem of a poor impact effect of an existing hydraulic impactor.