226 results about "Impact hammer" patented technology

The invention provides a crimping quality online detection method and system based on acoustic emission signal analysis, relates to the technical field of industrial detection, and solves the technical problems that an existing detection method is not sensitive to early defects and is insufficient in adaptability under complex working conditions. The method comprises the following steps: applying mechanical excitation to the crimping structure, exciting the crimping structure to generate vibration response, and synchronously collecting a vibration response signal and an acoustic emission signal; wherein the mechanical excitation represents sweep frequency excitation or pulse excitation generated by a piezoelectric vibration exciter or an impact hammer so as to excite a plurality of co-frequency offset vibration modes of the crimping structure; calculating the resonant frequency of the crimping structure based on the vibration response signal; calculating frequency offset characteristic parameters according to the resonant frequency based on an inversion method of a physical model; calculating acoustic emission signal characteristic parameters based on the acoustic emission signals; and identifying the type and severity of the crimping defect by utilizing a D-S evidence theory and combining the frequency offset characteristic parameters and the acoustic emission signal characteristic parameters.

The utility model discloses a silicon carbide raw material crushing processing device, and relates to the field of silicon carbide processing. The silicon carbide raw material crushing processing device comprises a water tank, supporting rods are vertically and fixedly connected to the four corners of the water tank, and the silicon carbide raw material crushing processing device further comprises a top plate fixedly connected to the upper ends of the four supporting rods; the mounting plate is connected to the two supporting rods on the same side; in the crushing process, the impact force of the impact hammer is ingeniously utilized to drive the suction barrel to pump water and automatically spray water to a crushing area through the spraying pipe, dust can be effectively restrained, a large amount of dust is prevented from drifting to the outside, heat generated by mechanical acting and particle friction in the crushing process can be effectively controlled, and the crushing efficiency is improved. And especially when impurities exist in the raw materials, silicon carbide chemical reaction caused by high temperature can be avoided, the performance of silicon carbide is ensured not to be damaged, the product quality is ensured, and a foundation is laid for subsequent high-quality silicon carbide application.

The present application relates to a kind of hammer detection device, including the device support being provided with walking wheel, the device support is guided to move and be equipped with the elastic hammer wheel that can float up and down and can rotate when moving with device support, the device support is provided with the elastic hammer wheel reset spring for keeping elastic hammer wheel and target surface contact, the device support is provided with the intermittent drive mechanism driven by power source, intermittent drive mechanism has the impact hammer for gap impact the elastic hammer wheel.Hammer detection device walks in the process, elastic hammer wheel also walks along target surface, elastic hammer wheel reset spring ensures that elastic hammer wheel is always in contact with target surface, intermittent drive mechanism drives impact hammer and gap impact elastic hammer wheel, elastic hammer wheel is impacted target surface under the impact of impact hammer, and the quality of target surface is judged according to the echo generated by target surface.In the present application, it is not necessary to manually hold impact rod to impact target surface one by one, labor intensity is saved, and it is beneficial to improve work efficiency.

The utility model discloses a sliding impact firewood chopping tool which comprises a guide pipe, an impact hammer, an axe and a handle, the bottom end of the guide pipe is detachably and fixedly connected with the axe, the top of the axe is provided with a stress part, the guide pipe is connected with the impact hammer in a sliding mode, and the impact hammer can impact the stress part. And the impact hammer is fixedly connected with the handle. The utility model relates to the technical field of wood splitting tools, and has the characteristic of reducing manpower.

The invention relates to the technical field of rock-soil drilling and blasting engineering, and discloses an ultrahigh-pressure aerodynamic pulse fracturing-while-drilling device and method.The ultrahigh-pressure aerodynamic pulse fracturing-while-drilling device comprises an aerodynamic pulse generating device used for guiding gas to a high-low pressure gas channel switching inner core; the high-low pressure gas channel switching inner core is located at one end of the aerodynamic pulse generating device, an internal rotation pneumatic rotating impeller is arranged at the end, away from the aerodynamic pulse generating device, of the high-low pressure gas channel switching inner core and used for driving the down-the-hole pneumatic impact hammer device to operate, and the down-the-hole pneumatic impact hammer device is used for impacting and extruding rocks; the conversion joint is used for realizing connection between the internal rotation pneumatic rotating impeller and the down-the-hole pneumatic impact hammer device; the pneumatic pulse pressure relief adjusting sliding sleeve is used for switching gas flow channels with different pressures. The invention provides a coaxially integrated drilling and blasting integrated composite device which is compact in structure, reliable in action and acceptable in cost, so that the tunneling circulation time is shortened, and the operation risk is reduced.

The application discloses a kind of automobile control arm impact test device of automobile parts detection technical field, including base, impact hammer and the limiting rod of fixed connection in the left and right sides of base top, the left and right sides of impact hammer are all provided with support group;When the impact hammer is rebounded when being impacted, the support piece will be raised with the impact hammer relative to the cross bar and wedge block, and the wedge block will keep in contact with the support piece and move towards the direction close to the impact hammer at this time, until the impact hammer and the support piece descend, the wedge block will directly limit the descending direction of the support piece and the impact hammer at any height, so that the impact hammer cannot descend to ensure that the impact hammer will not rebound, and when resetting the support piece and the impact hammer to facilitate the impact test, the lock of the impact hammer can be released at the same time, and then the replacement and placement of the impact hammer are facilitated.

The utility model discloses a bridge road quick deicing device, including support axle and both sides support moving wheel thereof, the support axle both sides are fixed with the handrail, and the handrail end is connected with the force link, and the force link between two is connected with the support cross bar, and the support cross bar is connected with a plurality of electric impact hammer through a plurality of sliding components, and the impact rod of electric impact hammer is fixed with the ice breaking shovel of broken road ice layer, and the utility model through the linkage structure of support axle, handrail, force link and support cross bar, cooperate with the collaborative operation of a plurality of electric impact hammer and ice breaking shovel, can break the road ice layer fast and effectively, has solved the problem that traditional manual deicing efficiency is low, and the problem of great labor intensity, has improved deicing efficiency, reduced labor intensity, and has the advantages such as guaranteeing operation safety.

This invention belongs to the field of forging equipment technology, specifically a three-head forging equipment and method for irregularly shaped forgings, solving the problems of uneven forging, low forming rate, inconvenient tool disassembly and assembly, and limited functionality in irregularly shaped forgings. The three-head forging equipment for irregularly shaped forgings includes a forging worktable with three supporting columns and a triangular irregularly shaped top plate on top. The top plate contains a hydraulic cylinder II and a forging impact hammer. The worktable has three moving guide grooves, a hydraulic cylinder I, and a circular pressure bar. The circular pressure bar is fixed to the forging impact head by a snap-fit ​​structure including a trapezoidal structural plate, and a separation structure including a raised top rod. A base plate, sliding guide rod, and triangular irregularly shaped structural plate form a lifting structure. This equipment can control the material feed to ensure uniform stretching of the billet, automatically disassemble and assemble forging tools, provide multiple forging methods, and improve forging efficiency and forming rate.

The utility model discloses a burr and flash impact hammer. Comprising a main shell, a removing assembly and a power assembly, wherein the removing assembly is in sliding connection with the main shell, the bottom of the removing assembly extends out of the main shell and is used for impacting and removing burrs and flashes; the power assembly is arranged on one side of the main shell and is used for providing a power source; the transmission assembly is installed in the main shell and is in linkage with the power assembly; and the impact assembly is arranged above the removal assembly and is matched with the transmission assembly to drive the removal assembly to impact downwards. The pounding head can automatically remove burrs and flashes of workpieces by pushing and pressing the piston trigger, operation is easy, the efficiency of removing the burrs and the flashes is high, scratches of the workpieces caused by manual operation of workers can be avoided, and the quality of the workpieces with the burrs and the flashes removed can be guaranteed.

The application discloses a new energy automobile powder metallurgy transmission shaft torsion impact test bench, which comprises a bottom plate, a rack, a traction mechanism, an impact hammer and a torque testing device, the traction mechanism is fixedly installed on the bottom plate and the rack, the impact hammer is slidably arranged in the interior of the rack, and the torque testing device is fixedly connected to the right side of the top of the bottom plate, and the application relates to the technical field of mechanical property testing. The new energy automobile powder metallurgy transmission shaft torsion impact test bench connects the pull rope and the impact hammer by the mode that the clamping block clamps the hook block, so that the pull rope and the impact hammer can be quickly separated, and then the impact hammer is not affected by the resistance of the motor output shaft rotation when falling, the impact force of the impact hammer is easier to measure, errors are not prone to occur, and the clamping block is matched with the triangular block, the pull rope pulls the impact hammer to the top, the triangular block pushes the clamping block to the two sides after pushing away the clamping block, and the release of the impact hammer can be automatically realized, and an electric grabbing release structure is not needed, so that the cost is low.

The invention relates to the field of steel belt welding seam detection, and particularly discloses a steel belt narrow lap welding seam visual centering knocking detection integrated device which comprises a servo rack and a controller arranged on the servo rack, and a visual sensor, a signal acquisition assembly and a mounting sleeve are arranged on the servo rack in a sliding mode. The signal collecting assembly is used for collecting vibration signals when the steel belt is impacted, an impact force hammer is connected into the installation sleeve in a sliding mode, and the maximum stroke of the impact force hammer is larger than the maximum distance between the impact force hammer and a welding seam. A driving assembly used for driving the impact hammer to impact a weld joint at a constant speed is arranged in the mounting sleeve, and the controller is electrically connected with the servo rack, the visual sensor, the signal collecting assembly, the impact hammer and the driving assembly. The device has the advantages of being accurate in knocking force, high in detection precision and high in detection efficiency.

The utility model discloses an automobile radiator water chamber impact test device, which relates to the technical field of water chamber impact tests and comprises a mounting base, a side frame fixedly mounted at the top of the mounting base, an impact tester fixedly mounted on one side of the side frame, a support rod fixedly mounted at the top of the mounting base, and a ray lamp fixedly mounted on one side of the support rod. The beneficial effects of the utility model are that the test water chamber is placed at the top of the simulation radiator, and a worker screws the connecting bolt to penetrate through the partition plate to connect the test water chamber with the simulation radiator, so that the installation condition of the radiator can be simulated according to the condition, and after the connection is completed, the test water chamber can be connected with the simulation radiator. The impact testing machine is started to drive the impact hammer to move, impact is performed on the testing water chamber, impact work is completed, impact data are collected according to the data collection box arranged on the outer side, the impact condition when the testing water chamber and the simulation radiator are installed can be better simulated, and practicability is improved.

The invention provides an intelligent simulation method and device for wheel impact and a server, and relates to the technical field of intelligent simulation, and the method comprises the steps: determining a three-dimensional geometric model of a target wheel according to material attributes and orientation information of the wheel; determining a loading position and an impact direction of the punch hammer based on the impact interaction point, updating the punch hammer model to obtain a target punch hammer model, and determining a rack constraint condition and a buffer boundary condition according to the fixed surface; based on a preset gas state equation, establishing a bidirectional coupling relationship between tire deformation and air pressure change in the simulated air cavity so as to determine a pressure load of gas in the tire; and executing wheel impact process simulation processing in the target wheel three-dimensional geometric model through an explicit dynamics solver by utilizing the target impact hammer model, the rack constraint condition, the buffer boundary condition and the gas pressure load so as to generate simulation results of the wheel impact process and the structure rebound process after the removal of the simulation impact hammer. According to the invention, the simulation accuracy can be obviously improved.

The invention discloses an off-the-road tire tread impact resistance test device, and relates to the technical field of test detection equipment, the off-the-road tire tread impact resistance test device comprises a base and a vertical frame, the vertical frame is fixedly mounted on the upper surface of the base, the off-the-road tire tread impact resistance test device further comprises a test mechanism, and the test mechanism is arranged on the surface of the vertical frame. The testing mechanism comprises a first hydraulic rod fixedly connected to the top of the vertical frame, sliding grooves are formed in the two sides of the vertical frame, moving plates are slidably connected into the sliding grooves, an impact hammer is fixedly connected between the two moving plates, and a tire mounting frame is fixedly connected between the two longitudinal arm ends of the vertical frame. The tire mounting frame is used for mounting a tire, second hydraulic rods are fixedly connected to the surfaces of the two longitudinal arm ends of the vertical frame, pressurizing plates are fixedly connected to the ends, close to the tire, of the second hydraulic rods, and the tire is arranged between the two pressurizing plates, so that the problem that the stress and deformation characteristics of the tread cannot be restored under the real working condition is solved.

The invention relates to the technical field of drilling tools, in particular to a high-temperature-resistant oil gas drilling circumferential impact speed increasing device which comprises a connecting outer barrel, a lower connector and a circumferential impact device, the lower connector is fixedly mounted at the lower end of the connecting outer barrel, and a first partition plate, a second partition plate, a third partition plate and a fourth partition plate are sequentially and fixedly mounted on the inner side of the connecting outer barrel from top to bottom; the circumferential impact device comprises an impact driving assembly, an impact transmission assembly and an impact execution assembly, an upper mounting hole penetrating vertically is eccentrically formed in the first partition plate, and a lower mounting hole penetrating vertically is formed in the position, corresponding to the upper mounting hole, of the second partition plate. The device is reasonable and compact in structure and convenient to use, and circumferential impact of converting liquid energy into momentum is achieved through periodic reciprocating rotation of the impact hammer in the impact cylinder; by arranging the left arc-shaped groove and the right arc-shaped groove, the strokes of the left arc-shaped boss and the right arc-shaped boss are increased, and the beneficial effects of being stable, reliable and efficient are achieved.

The application discloses an improved heavy impact hammer which comprises a front cylinder body, a main sleeve, an oil cylinder cover, an accumulator cover, an accumulator, an oil cylinder and a piston assembly, a stroke sensing switch, a double-way electromagnetic valve and a touch screen, an inner sleeve and an outer sleeve are coaxially sleeved and stacked in the front cylinder body, a damping block, a flat pin and a drill rod are arranged in the front cylinder body, the drill rod is fixedly connected to the lower portion of the outer sleeve, a hammer head is sleeved in the main sleeve, the piston assembly is arranged in the hammer head, a striking head is fixedly connected to the lower portion of the hammer head, the piston assembly comprises a piston and a piston rod, the piston rod is fixedly connected to the striking head, the accumulator is connected to the upper end of the oil cylinder through a gasket and an ACC fixed flange, the improved heavy impact hammer can independently and synchronously control the flow and closing of high-pressure oil through the double-way electromagnetic valve, the striking force can be adjusted, the stroke sensing switch is designed on the oil cylinder, the touch screen of the breaking hammer is arranged, position signals are collected and transmitted to the touch screen, the breaking hammer is controlled, the striking force is increased or reduced, intelligent control is realized, and the improved heavy impact hammer is high in efficiency and safety.

This invention provides a tensile impact fatigue testing device based on a high-frequency impact fatigue testing machine, belonging to the technical field of mechanical property testing equipment. It includes: a support base, a force measuring system, a compression-tension conversion device, a secondary impact protection system, and an impact hammer. The support base has a longitudinally formed groove on its support arm. The compression-tension conversion device includes a crossbeam, a lower clamping plate, and a slide rail, with the slide rail slidingly engaging the groove to allow the compression-tension conversion device to be slidably mounted on the support arm. The force measuring system includes a fixing component fixed to the top of the support arm and securing the top of the test sample; the bottom of the test sample is fixed to the lower clamping plate. The secondary impact protection system includes an elastic support member and a support plate. The impact hammer moves downward at a set speed, compressing the elastic support member and striking the crossbeam to apply a tensile load to the test sample. This invention can accurately measure the impact load on the sample after compression-tension conversion, avoiding interference from the dynamic response of the conversion device itself.

The present application relates to a kind of multi-dimensional composite impactors for drilling, comprising: transmission stub; Tool housing, lower end is fixedly connected with transmission stub, tool housing has flow passage in it;Torsional impact component, it is located in the lower part of tool housing and includes pressure disc, center shaft fixed plate, hammer housing, center shaft, impeller, valve plate and hydraulic hammer;Axial impact component, it is located in the upper part of tool housing and is fixedly connected with torsional impact component by pressure disc, axial impact component includes shunt, nozzle, nozzle seat, hammer outer sleeve, valve sleeve, piston and impact hammer. By the multi-dimensional composite impactor of the present application, the rate of penetration of deep well ultra-deep well can be improved and the damage of stick-slip vibration to the drill string system can be reduced, the multi-dimensional composite impactor of the present application drives the movement of parts using drilling fluid, generates impact force in axial and torsional directions, thereby applying high-frequency axial-torsional coupled impact to the drill bit, improving rock breaking efficiency of the drill bit under impact load.

The invention discloses a differential-thickness plate rolling device and a method for rolling a differential-thickness plate through the differential-thickness plate rolling device, and relates to the technical field of differential-thickness plate manufacturing. The differential-thickness plate rolling device comprises a main body, a conveying roller is installed in an inner cavity of the main body, and an impact hammer is arranged above the main body; the fixing part comprises a sliding frame, the sliding frame is connected with a clamping plate, a tooth groove is formed in the side face of the sliding frame, and a gear is engaged in the tooth groove; the rolling part comprises a driving rod, and a roller module is arranged on the outer ring of the driving rod; the loading and unloading part comprises a bracket, a bracket group A is arranged at the upper end of the bracket, and a bracket group B is arranged on the front surface of the main body; according to the rolling device, a to-be-rolled plate can be subjected to primary shaping and limiting, deviation caused by uneven stress during rolling is avoided, the position and the structure of the roller module can be adjusted at will according to requirements, and therefore different machining requirements can be met.

The invention discloses a waste concrete tile treatment device, and relates to the technical field of construction waste treatment. The waste concrete tile treatment device comprises a first cylinder, a crushing assembly and a first screening assembly, a first discharging opening is formed in the top of the first cylinder, a flow guide plate is arranged in an inner cavity of the first cylinder, a supporting ring is fixedly arranged in the first cylinder, a second discharging opening is formed in the first cylinder, the crushing assembly comprises an impact hammer, and the impact hammer is arranged in the inner cavity of the first cylinder; the first screening assembly comprises a screen frame and a screen mesh, the screen frame is elastically connected to the supporting ring and can move in the vertical direction, the outer wall of the screen frame is attached to an inner cavity of the first barrel, the screen mesh is arranged on the screen frame and used for allowing part of particle materials to pass through, and the screen frame is provided with a discharging position; the screen frame is located below the second discharging opening so that the other part of the particle materials can be discharged through the second discharging opening. The waste concrete tile treatment device is high in crushing and screening efficiency and good in separation effect, and the resource utilization rate is increased.

The utility model discloses an inner impact type pin puller, be applied to equipment frock maintenance, dismounting and overhauling and state switching process various pin pull out operation. The traditional pin puller is big in size, and the impact hammer is external, and the metal striking surface for providing the impact force is also exposed, the pin puller has certain security risk in the use process, and the personal safety risk such as hand clamp. The patent designs and makes an inner impact type pin puller, the inner impact type pin puller has light weight, small size, high security, and the like characteristics, such as convenient production, and the required connecting device, can adapt to the part like pin and the like that need to be pulled out in the maintenance process and can be disassembled by impact force, solve the safety risk such as hand clamp when using the traditional pin puller in the maintenance part disassembly, have higher practical popularization value.

The invention discloses a detection device for an electric tracing band, and the device comprises a support and an impact unit, the support is provided with a supporting seat, the top of the supporting seat is provided with a horizontal supporting surface, the impact unit comprises an impact rod, the support is provided with a rotating disc, the central position of the rotating disc is rotatably connected with the support, and a connecting rod is disposed between the rotating disc and the impact rod. One end of the connecting rod is hinged to the upper end of the impact rod, the other end of the connecting rod is hinged to the eccentric position of the rotating disc, a driving assembly is arranged on the support and comprises a first gear, a disc and a driving piece used for driving the disc to rotate, and the first gear is coaxially and fixedly connected with the rotating disc; a plurality of arc-shaped tooth blocks with different lengths are arranged on the outer edge of the disc. The invention aims to solve the technical problem that when the impact strength is adjusted by changing the height of the impact hammer, the height of the impact hammer is determined by operating a height fixing plate every time, and the operation is inconvenient.

The utility model discloses a high accuracy automobile key spare part vertical impact test equipment, including work table, the pneumatic impact lever is installed on the work table, the bottom fixed connection of pneumatic impact lever has the impact hammer, the protection subassembly is installed on the work table, and the protection subassembly is including transparent protective sheath, support block, movable rod, clamping block, spring, fixed block and push rod, in the utility model, the staff first places automobile spare parts to the impact hammer, then the staff rotates two transparent protective sheaths, and the push rod on transparent protective sheath will extrude two clamping blocks and move horizontally, when two transparent protective sheaths abut, the push rod will pass through clamping block completely, and spring will push clamping block and reset, and clamping block will be located to push rod to make two transparent protective sheaths connect and fix together, so can avoid the metal spare part broken splashing and hurt the staff around or damage other equipment around when impact test.

The utility model relates to cement production technical field, concretely is efficient anti -blocking cement batching feeding device, including mixing jar, sealing cover and support column, sealing cover and feed hopper outer wall screw joint have bearing seat, the bearing seat inside interference installation has the pivot, the pivot outer wall welds and has the even material board of circular array distribution, the pivot penetrates bearing seat both ends even screw joint has the support column, support column outer wall welds and has the round array distribution of collet, the collet inside is provided with the connecting shaft, the connecting shaft outer wall pin shaft connection has the extension rod, the extension rod end welding has the impact hammer, carry out vibration delivery to material, reduce material and adhere to accumulate at feed hopper or even material board, through reducing the residual amount of material, can improve the feeding accuracy of material, and avoid residual material accumulation caking, the relative cleanness of feed hopper inner wall is guaranteed, thereby realized the purpose of preventing the blockage of feed hopper, and guaranteed the falling smoothness of material.

The invention relates to the technical field of samplers, in particular to a wide-water-area-oriented multi-layer water quality sampling method and sampling device, and the wide-water-area-oriented multi-layer water quality sampling device comprises a sampling barrel, a triggering piece, a balancing weight and an impact hammer; at least two inner barrels are arranged in the sampling barrel, and openings are formed in the two axial ends of each inner barrel; plugging covers are coaxially arranged in the two axial ends of the sampling barrel, sampling openings are formed in the plugging covers, and the plugging covers can rotate by a set angle around the axis of the sampling barrel, so that the sampling openings correspond to the openings in sequence; the trigger piece comprises a trigger rod and a transmission assembly, and the transmission assembly is located between the trigger rod and the plugging cover. The balancing weight is arranged on the outer wall of the sampling barrel through a rope; the impact hammer is arranged on the rope in a penetrating manner and can slide up and down along the rope so as to impact the upper end of the trigger rod; therefore, a single person can carry out multi-point sampling operation, and the sampling efficiency can be improved.

The utility model belongs to concrete chiseling technology field, and disclose bridge concrete chiseling trolley, including unmanned control trolley, the surface of unmanned control trolley is provided with chiseling construction area and support area respectively, the outside of unmanned control trolley is provided with water supply area, and the chiseling construction area of unmanned control trolley includes impact hammer and the device for the limiting buffer of impact hammer, the surface annular array of impact hammer is tightly provided with damping device, and the other end of a plurality of groups of damping devices is fixedly connected with support ring, and the surface fixedly connected with anti -shaking assembly for the support of support ring, through above -mentioned scheme, solved the traditional process of concrete chiseling, all according to experience and the naked eye and watch, handheld hammer chiseling on concrete surface, this kind of mode is easy to appear chiseling excessively or chiseling not thoroughly, and the dust produced in the chiseling process diffuses in the air and causes the influence to the body of construction personnel.

A surgical tool connector that can couple with an orthopedic tool with an actuator. The connector can allow the slap hammer to quickly be coupled and decoupled with different tools. The connector can include a spring-loaded component such that the tool can be easily connected and disconnected from the slap hammer. The slap hammer can include a handle for controlling the connected tool.

The invention provides a super hydraulic impact hammer, and belongs to the technical field of hydraulic impact hammers. Comprising an impact unit, the impact unit is inserted into a shell sleeve, the impact unit is used for impacting a piston to make the piston move up and down in a reciprocating mode, and the bottom end of the shell sleeve is sleeved with a piston sleeve. By arranging the impact unit, the high-pressure fluid flows in the impact unit to form a high-low pressure difference, so that when the piston is promoted to impact the drill bit downwards, the high-pressure fluid provides power, and meanwhile, the fluid in the lower cavity of the piston is extruded to the upper cavity of the piston to provide impact power; and the high-pressure fluid can directly penetrate through the impact hammer to directly impact the rock debris, so that the energy loss is reduced, and meanwhile, the debris cleaning efficiency is improved.