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49results about How to "Improve impact efficiency" patented technology

High-efficiency ultrasonic impact head for soldering joint stress release

The invention relates to a high-efficient ultrasonic impact head for removing welding stress. The impact head comprises an impact head body and impact pins movably assembled in impact pinholes of the impact head body; two impact pins are symmetrically distributed on two side of a central axis, take the central axis as criteria and incline inwards to form an oblique angle alpha of between 2 and 5 degrees; each impact pin is of a cylindrical ball head shape; the diameter of each impact pin is between 5 and 8 mm; the length of each impact pin is between 30 and 35 mm; after each impact pin is arranged in the impact pin body, the length of the exposed part is required between 15 and 20 mm; and the lower part of the impact pin body is connected with an impact gun through screw thread. The impact head adopts two symmetric impact pins to simultaneously treat welding toes of two side of a weld joint, can remarkably improve the impact efficiency by 20 to 50 percent compared with a multi-pin impact head, improve the degree of the impact force, the impact strength, the removal of welding stress and the improvement of fatigue strength by more than 5 to 10 percent compared with the multi-pin impact head, has good impact effect, greatly improve the impact efficiency and stability in the treatment of a long aluminum alloy welding joint and has good economic benefit.
Owner:NO 52 INST OF CHINA NORTH IND GRP CORP

Step-tooth excavating method of reciprocating impact excavators, and step-tooth reciprocating impact excavator used for realizing step-tooth excavating method

The invention belongs to the field of machinery, is especially suitable for the field of excavating, and specifically relates to a step-tooth excavating method of reciprocating impact excavators, and a step-tooth reciprocating impact excavator used for realizing the step-tooth excavating method. The step-tooth reciprocating impact excavator comprises a machine body, a travelling mechanism, an impact blanking mechanism and the like; the impact blanking mechanism is arranged on the machine body; and the travelling mechanism is arranged on the lower part of the machine body. The impact blanking mechanism comprises a step-tooth impact-cutting device, an impact power box, a power impact part, an impact guiding element and the like; step teeth are formed by adjacent impact teeth arranged on the step-tooth impact-cutting device. The step-tooth impact-cutting device is driven by the power impact part, material to be excavated is impacted to be step shaped so as to obtain two or more opposite free faces, and pressure stress and/or structural strength relative to original material is reduced greatly. When the impact teeth is used for excavating for another time, the two or the more opposite free faces are used for reducing impact resistance greatly; generation of oversized material blocks, which fall because of excavating, is avoided; impaction efficiency is increased, and equipment depreciation is reduced.
Owner:刘素华

Ball mill for grinding soft magnetic core

The invention relates to the technical field of industrial equipment, and discloses a ball mill for grinding a soft magnetic core. The ball mill comprises a fixing box, a rotating cylinder, a lining,grinding steel balls, an outer gear and a key, wherein the lining is fixedly arranged on the inner wall of the rotating cylinder, the outer gear is fixedly arranged at the bottom of the rotating cylinder in a sleeving mode, the grinding steel balls are movably arranged inside the lining, a bottom support seat is fixedly arranged on the fixing box, and a large thrust bearing is fixedly arranged inside the bottom support seat. Due to the arrangement of the rotating cylinder and a partitioning device, the space inside the rotating cylinder is equally divided, the effective grinding space is further compressed, the impact efficiency between the grinding steel balls and a material is improved, the grinding effect in the area is improved, and the grinding efficiency is improved; and the rotatingcylinder and the partitioning device are rotated in different directions, so that the movement track and the movement speed of the grinding steel balls are increased, the impact times among the grinding steel balls and between the grinding steel balls and the material are increased, and the grinding effect on the material is further improved.
Owner:LOUDI CITY LITONG MAGNETOELECTRICITY SCI & TECH

Impact type multifunctional airborne drilling rig

The invention belongs to the technical field of coal mine development machinery, is used for blasting drilling holes of a hard-rock rock roadway in an underground coal mine in construction and various drilling holes in the support work of anchor rods and anchor ropes, and provides an impact type multifunctional airborne drilling rig. According to the technical scheme, the impact type multifunctional airborne drilling rig comprises a positioning oil cylinder, a propulsion slide way pressing block, a slide way seat, a propulsion slide way, a propulsion cylinder, a clamp holder, a drill rod support, a drill rod support seat, a slide way top plate, a slide way, a slide way pressing block, a slide way bottom plate, a forward and reverse large torque transmission device, an impact type rock-drilling drilling rig, a rock-drilling drilling rig fixing plate, a fixing plate slide way pressing block, a first stage oil cylinder, a secondary oil cylinder, a chain assembly and an integrated valve group. The impact type multifunctional airborne drilling rig has the advantages that the rock drilling speed is fast, the impact efficiency is high, the noise is low, drilling tools are not prone to being stuck, good appearance is achieved, collision is avoided flexibly and effectively, a propeller is protected, the number of exposed oil pipes is greatly reduced, the occurrence of oil pipe extrusion is avoided, and the overall performance of the drilling rig is improved.
Owner:SHANXI TIAN JU HEAVY IND

Cone frustum hammer pore-forming machine

Disclosed is a cone frustum hammer pore-forming machine. The lower end of a drill rod is connected with a slurry pump, the lower end of the slurry pump is connected with a suction pipe, the suction pipe is fixed in the middle of a transverse arm A, the transverse arm A, a transverse arm B, a transverse arm C, two longitudinal arms A, a longitudinal arm B and a longitudinal arm C are welded to form a stable steel structure, the lower end of the suction pipe is connected to the upper end of a suction pipe B through two bent corrugated pipes, the suction pipe B penetrates a sleeve A and a sleeve B, the lower end of the suction pipe B is connected with a suction pipe C and a suction pipe D and also fixed to a cone frustum hammer, a crank arm A is arranged in the middle of the longitudinal arm B, a driven belt pulley A is fixed to a shaft end on one side of the crank arm A, a wheel A is sleeved at a shaft end on the other side of the crank arm A, the upper portion of the wheel A is provided with a handle lever A, the handle lever A is fixed to the left of the suction pipe B, a crank arm B is arranged in the middle of the longitudinal arm C, a driven belt pulley B is fixed to a shaft end on one side of the crank arm B, a wheel B is sleeved at a shaft end on the other side of the crank arm B, the upper portion of the wheel B is provided with a handle lever B, and the handle lever B is fixed to the right of the suction pipe B.
Owner:歌玛磨具南通有限公司

A sealed belt cold and hot shock box

The invention relates to thermal shock chambers, in particular to a thermal shock chamber with sealing belts and aims to solve the problems of proneness to collision or displacement of samples, poor airtightness, poor shock effects, low control precision and the like in a shock process in the prior art. The outer surfaces of four side walls of a sample case, the inner and outer sides of the sealing belts, the outer surfaces of two heat storage tanks and two cold storage tanks and the lateral sides of four rotating shafts are provided with a plurality of projections and grooves in alternate array, and consequently excellent sealing effects are achieved. After photoelectric receivers receive optical signals, a controller controls a motor to stop, and refrigeration or heating is started in order to realize thermal shock. The thermal shock chamber with the sealing belts has the advantages that the samples are less prone to displacement, adverse factors such as collision, displacement and the like are avoided, accuracy in control is achieved due to adoption of the controller, low cost, structural simplicity, convenience in operation, high shock efficiency and effectiveness in sealing are realized, and service life of the thermal shock chamber is greatly prolonged. Furthermore, the thermal shock chamber is applicable to thermal shock test of devices.
Owner:HARBIN UNIV OF SCI & TECH

Fence vertical pile fixing device for livestock breeding

The invention discloses a fence vertical pile fixing device for livestock breeding, and particularly relates to the field of livestock. The fence vertical pile fixing device comprises a height settingmechanism, a connecting sleeve is slidably connected to the bottom end of the height setting mechanism, a control mechanism is slidably connected with the side end of the connecting sleeve, a fixingblock is fixedly connected with the bottom end of the control mechanism, an electromagnet is fixedly installed in the center of the fixing block, a springback damping mechanism is fixedly installed onthe inner side of the fixing block, a vertical guide rod is fixedly connected to the bottom end of the fixing block, and a magnet connecting block is slidably connected to the side end of the vertical guide rod. According to the scheme of the fence vertical pile fixing device for livestock breeding, the electromagnet is mutually matched with the vertical guide rod, the controller controls the electromagnet to be started, a permanent magnet is pushed to move downwards, a connecting column is pushed to move downwards, then a hammering hammer head is pushed to hit fixed vertical piles downwards,the connecting column moves to indirectly drive a same-direction bottom plate to abut against a control button, the electromagnetic direction is changed to attract the permanent magnet upwards, the frequent impact effect on the fixed vertical piles is achieved, and the impact efficiency is improved.
Owner:合肥初升信息科技有限公司

A demoulding machine for bathroom products and a demoulding process using the demoulding machine

The invention relates to a demolding process, in particular to a demolding machine for a sanitary product and a demolding process using the demolding machine, which solves the problem that the manualdemolding method is liable to causes product damage, and the main points of the technical solution are as follows: The demolding machine comprises a demolding frame which cooperates with the fixing frame, wherein the demolding frame is provided with a positioning sinking groove for inserting the fixing frame, and driving parts are arranged on both sides of the positioning sinking groove; the driving part comprises a driving cylinder vertically fixed on the demolding frame, a link mechanism for connecting the driving cylinder and the fixing frame, and a sling for connecting the link mechanism and the fixing frame; when a cylinder shaft of the driving cylinder is extended, a rod mechanism causes the fixing frame to rotate about the side of the positioning sinking groove close to the drivingcylinder to be tilted relative to the positioning sinking groove; when the cylinder shaft of the driving cylinder contracts, the link mechanism causes the side of the fixing frame separated from the positioning sinking groove to collide with the positioning sinking groove. A mold core is collided by using the demolding machine instead of manually, so that the colliding force is controlled.
Owner:FUYANG BEAUTIFUL SANITARY WARE

Round Table Hammer Hole Making Machine

Disclosed is a cone frustum hammer pore-forming machine. The lower end of a drill rod is connected with a slurry pump, the lower end of the slurry pump is connected with a suction pipe, the suction pipe is fixed in the middle of a transverse arm A, the transverse arm A, a transverse arm B, a transverse arm C, two longitudinal arms A, a longitudinal arm B and a longitudinal arm C are welded to form a stable steel structure, the lower end of the suction pipe is connected to the upper end of a suction pipe B through two bent corrugated pipes, the suction pipe B penetrates a sleeve A and a sleeve B, the lower end of the suction pipe B is connected with a suction pipe C and a suction pipe D and also fixed to a cone frustum hammer, a crank arm A is arranged in the middle of the longitudinal arm B, a driven belt pulley A is fixed to a shaft end on one side of the crank arm A, a wheel A is sleeved at a shaft end on the other side of the crank arm A, the upper portion of the wheel A is provided with a handle lever A, the handle lever A is fixed to the left of the suction pipe B, a crank arm B is arranged in the middle of the longitudinal arm C, a driven belt pulley B is fixed to a shaft end on one side of the crank arm B, a wheel B is sleeved at a shaft end on the other side of the crank arm B, the upper portion of the wheel B is provided with a handle lever B, and the handle lever B is fixed to the right of the suction pipe B.
Owner:歌玛磨具南通有限公司

Reciprocating impact oblique tooth discharging shovel of reciprocating impact mining machine

The invention relates to the field of mining machinery, in particular to a reciprocating impact oblique tooth discharging shovel of a reciprocating impact mining machine. The reciprocating impact oblique tooth discharging shovel of the reciprocating impact mining machine comprises a reciprocating impact box and a reciprocating impact oblique tooth discharging shovel body. The reciprocating impactbox comprises a reciprocating impact box body, a reciprocating impact power part and a reciprocating impact guiding part, the reciprocating impact guiding part is disposed in the reciprocating impactbox body, the reciprocating impact power part is supported by the reciprocating impact box body to drive the reciprocating impact guiding part, and one end or both ends of the reciprocating impact guiding part extend out of the reciprocating impact box body. The reciprocating impact oblique tooth discharging shovel body comprises a main tooth seat, a main punching tooth, a side discharging tooth wing plate and side discharging oblique teeth, and the main tooth seat is arranged on the end part of the reciprocating impact guiding part extending out of the reciprocating impact box body, the mainpunching tooth is arranged at the top end of the main tooth seat, the thickness of the side discharging tooth wing plate is smaller than that of the main tooth seat to reduce the height of the discharging surface of the reciprocating impact oblique tooth discharging shovel body, the side discharging oblique teeth are staggered or symmetrically arranged or arranged front and back on the side discharging tooth wing plate, and the tooth top ends of the side discharge oblique teeth protrude from the side plane of the side discharging tooth wing plate. Impacted sweeping materials are enabled to conveniently flow out from the gap, higher than the side discharging tooth wing plate, of the side discharging oblique teeth, and the resistance of the materials to the reciprocating impact oblique toothdischarging shovel is reduced.
Owner:刘素华

Ultrasonic multi-head impact device and method for manufacturing materials such as robots

The invention relates to a robot equal material manufacturing and multi-head ultrasonic peening device and method. In order to conform to a manufacturing pattern based on addition in recent years, theequal material ultrasonic peening device and an installation method thereof in additive equal and subtractive material integrated compound manufacturing conducted on a thin-wall part with a complex shape are provided. By combining ultrasonic peening and additive and subtractive material manufacturing, welding residual stress can be eliminated, surface nanocrystallines are obtained, and damaged part repair is achieved, and the internal structure is changed to achieve performance optimization. The device is connected with an industrial robot tail end arm, a robot hand is controlled through programming to run according to a preconceived track, and meanwhile, through an ultrasonic peening gun, the different side surfaces of a part after material addition are peened simultaneously, so that a hammer forging peening equal mateirla shape controlling technology process of the top surface and the bilateral side surfaces of the thin-wall wall part is completed at once. The device and the methodare simple, convenient and lower in cost, for a processed component, residual stress can be eliminated, and surface crystalline grains can be refined.
Owner:BEIJING UNIV OF TECH

Photoelectric material and device impulse voltage testing device and method

The invention discloses a photoelectric material and device impulse voltage testing device and method. The photoelectric material and device impulse voltage testing device comprises a charging assembly, an adjusting output assembly, a monitoring assembly and a to-be-tested carrier. The charging assembly is connected with the adjusting output assembly, the adjusting output assembly is connected with a to-be-detected carrier, the monitoring assembly is connected with the to-be-detected carrier, and the to-be-detected assembly is used for monitoring the voltage condition at the two ends of the to-be-detected carrier; the charging assembly is used for being connected with an external power source and conducting energy charging. The charging assembly comprises a control panel, a controller, a charging power source and an energy storage capacitor. The charging power supply is connected with the energy storage capacitor, and the control panel is connected with the controller. According to the invention, the standard waveform of the to-be-tested carrier can be rapidly obtained, adjustment can be rapidly and conveniently carried out, the impact efficiency of the photoelectric materials and devices is improved, the device can be matched with the output waveform requirements of various types of photoelectric materials and devices, adjustment is carried out according to different to-be-tested carrier materials, and the test efficiency is improved. The operation difficulty is greatly reduced, and the working efficiency is improved.
Owner:成都市产品质量监督检验研究院

Screening device for petroleum-contaminated soil treatment

A screening device for petroleum contaminated soil treatment belongs to the technical field of contaminated soil treatment and comprises a limiting frame, a screening mechanism is mounted in the limiting frame and comprises a base, a mesh screen, a plurality of mounting plates and a plurality of first connecting rods, and the mounting plates and the first connecting rods form a rotating frame. The rotating frame is connected to the outer surface of the mesh screen in a sleeving mode, a plurality of screen holes are evenly distributed in the mesh screen, a rotating ring is rotationally connected to the base, the rotating frame is rotationally connected with the base through the rotating ring, and through arrangement of the screening mechanism, an impact block is arranged on the screening mechanism, and a first driving motor is used for controlling a first rotating rod to rotate; the first rotating rod is driven to rotate to drive an impact block fixedly connected to the first rotating rod in a sleeving mode to shake, in the shaking process of the impact block, the inner side wall of the mesh screen can be knocked, an acting force opposite to the screening direction is provided for the mesh screen, and therefore the permeability of the mesh screen in the screening process can be improved, and certain progressive significance is achieved.
Owner:YANGTZE NORMAL UNIVERSITY

Multipurpose water pulse device used in well

The invention provides a multipurpose water pulse device used in a well. The multipurpose water pulse device used in the well at least comprises a head portion and a tail portion, wherein the head portion at least comprises a shell, a flange disc and a short pipe, a through hole A is formed in the shell, an elastic sleeve is arranged at the position of the through hole A, the elastic sleeve is installed on the outer wall of the shell through a clamp, the flange disc is located on the bottom of the interior of the shell, the short pipe is installed in the shell, the tail portion at least comprises an outer cover and a connecting piece, the outer cover is cylindrical, the connecting piece is fixed to the top of the outer cover, an inner pipe is arranged in the outer cover and in the connecting piece, and the outer cover and the connecting piece are arranged on the inner pipe in a sleeved mode and can slide on the inner pipe. Compared with the prior art, the multipurpose water pulse device used in the well has the advantages that water impact and water pulse can be generated to have effect on a filter pipe column and a producing zone, and then siltation is damaged; meanwhile, connecting strength of the siltation is reduced by a treating agent sent into the well, and therefore impacting efficiency is improved.
Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)
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